/* roulang page: index */
:root{
  --ink:#070C16;
  --ink-2:#0D1626;
  --ink-3:#101C30;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --primary:#12E0B8;
  --primary-dim:rgba(18,224,184,.14);
  --accent:#FF3B4E;
  --text:#EAF1FA;
  --muted:#9AA9BE;
  --radius-sm:10px;
  --radius:14px;
  --radius-lg:20px;
  --radius-pill:999px;
  --glow:0 0 0 1px rgba(18,224,184,.35), 0 8px 28px rgba(18,224,184,.18);
  --shadow:0 18px 46px rgba(0,0,0,.42);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular","DIN Alternate",ui-monospace,Menlo,Consolas,monospace;
  --space:24px;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.005em;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 82% -6%, rgba(18,224,184,.10), transparent 62%),
    radial-gradient(700px 420px at 4% 12%, rgba(255,59,78,.05), transparent 60%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease;}
a:hover{color:var(--primary);}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.28;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;box-shadow:0 0 0 4px rgba(18,224,184,.20);border-radius:6px;}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.section{padding:96px 0;position:relative;z-index:1;}
.section--tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:48px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--primary);margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);display:block;}
.section-title{font-size:32px;margin-bottom:14px;}
.section-desc{color:var(--muted);font-size:16px;max-width:640px;}
.divider-slash{
  height:1px;width:100%;
  background:repeating-linear-gradient(45deg, rgba(255,255,255,.16) 0 6px, transparent 6px 14px);
  opacity:.5;
}
/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1240px, calc(100% - 32px));
  z-index:80;
}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 18px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:rgba(7,12,22,.52);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:background-color .3s ease, border-color .3s ease, box-shadow .3s ease, padding .3s ease;
}
.site-header.is-scrolled .nav-shell{
  background:rgba(7,12,22,.82);
  border-color:var(--line-strong);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 14px 36px rgba(0,0,0,.42);
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(150deg, rgba(18,224,184,.22), rgba(18,224,184,.04));
  border:1px solid rgba(18,224,184,.36);
  font-family:var(--font-mono);font-weight:700;font-size:15px;color:var(--primary);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:16px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.brand-name em{font-style:normal;color:var(--primary);}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.10em;font-family:var(--font-mono);}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-menu a{
  position:relative;display:block;
  padding:8px 14px;border-radius:var(--radius-pill);
  font-size:15px;color:#C6D2E2;white-space:nowrap;
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-menu a.is-active{color:var(--text);font-weight:600;background:rgba(18,224,184,.10);}
.nav-menu a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--primary);
}
.nav-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:var(--radius-pill);
  background:var(--primary);color:#04121A;font-weight:700;font-size:15px;
  box-shadow:var(--glow);transition:transform .2s ease, box-shadow .25s ease;
}
.nav-cta:hover{color:#04121A;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(18,224,184,.5),0 12px 32px rgba(18,224,184,.28);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-pill);
  border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .2s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-drawer{
  display:none;margin-top:12px;padding:20px;
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:rgba(7,12,22,.96);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
}
.nav-drawer.is-open{display:block;}
.nav-drawer a{
  display:block;padding:14px 6px;font-size:18px;border-bottom:1px solid var(--line);color:#D3DEEC;
}
.nav-drawer a:last-of-type{border-bottom:0;}
.nav-drawer a.is-active{color:var(--primary);font-weight:700;}
.nav-drawer .nav-cta{width:100%;justify-content:center;margin-top:14px;font-size:16px;padding:14px 20px;}
/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:88vh;
  display:flex;align-items:center;
  padding:150px 0 80px;
  overflow:hidden;
  isolation:isolate;
}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center right;
  opacity:.42;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg, rgba(7,12,22,.96) 0%, rgba(7,12,22,.86) 42%, rgba(7,12,22,.42) 72%, rgba(7,12,22,.85) 100%);
}
.hero-grid-lines{
  position:absolute;inset:0;z-index:-1;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size:88px 88px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 78%);
  -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 78%);
}
.hero-slash{
  position:absolute;top:-10%;right:-6%;width:52%;height:120%;z-index:-1;
  background:linear-gradient(115deg, rgba(18,224,184,.12), rgba(18,224,184,0) 58%);
  transform:skewX(-14deg);pointer-events:none;
}
.hero-inner{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px;align-items:center;width:100%;}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;
  padding:7px 14px;border-radius:var(--radius-pill);
  border:1px solid rgba(18,224,184,.34);background:var(--primary-dim);
  font-size:13px;color:var(--primary);font-family:var(--font-mono);letter-spacing:.06em;
  margin-bottom:24px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:block;}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.22;margin-bottom:20px;max-width:15em;
}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{font-size:18px;color:#C3D0E0;max-width:33em;line-height:1.85;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:var(--radius-sm);
  font-size:16px;font-weight:700;letter-spacing:.01em;
  transition:transform .2s ease, box-shadow .25s ease, background-color .22s ease, border-color .22s ease, color .22s ease;
}
.btn-primary{background:var(--primary);color:#04121A;box-shadow:var(--glow);}
.btn-primary:hover{color:#04121A;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(18,224,184,.55),0 14px 34px rgba(18,224,184,.30);}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line-strong);}
.btn-ghost:hover{color:var(--primary);border-color:var(--primary);background:rgba(18,224,184,.06);}
.btn:disabled,.btn.is-disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-sm{padding:10px 18px;font-size:14px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line);padding-top:24px;}
.hero-stat{padding-right:38px;margin-right:38px;border-right:1px solid var(--line);}
.hero-stat:last-child{border-right:0;margin-right:0;padding-right:0;}
.hero-stat b{display:block;font-family:var(--font-mono);font-size:26px;font-weight:700;color:var(--primary);line-height:1.2;}
.hero-stat span{font-size:13px;color:var(--muted);}
.hero-visual{position:relative;}
.hero-visual-frame{
  position:relative;border-radius:var(--radius-lg);
  border:1px solid var(--line);overflow:hidden;
  background:var(--ink-2);
  box-shadow:var(--shadow);
}
.hero-visual-frame img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-visual-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(7,12,22,0) 44%, rgba(7,12,22,.88) 100%);
}
.hero-visual-cap{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
}
.hero-visual-cap strong{font-size:16px;display:block;}
.hero-visual-cap span{font-size:12px;color:var(--muted);font-family:var(--font-mono);}
.tick-live{
  display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:var(--radius-pill);
  background:rgba(255,59,78,.14);border:1px solid rgba(255,59,78,.42);
  color:#FF8A93;font-size:12px;font-family:var(--font-mono);white-space:nowrap;
}
.tick-live i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block;}
/* ---------- 能力卡 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  transition:border-color .25s ease, transform .25s ease, background-color .25s ease;
}
.card:hover{border-color:rgba(18,224,184,.34);transform:translateY(-2px);}
.card-num{
  font-family:var(--font-mono);font-size:13px;color:var(--primary);
  display:block;margin-bottom:16px;letter-spacing:.1em;
}
.card h3{font-size:19px;margin-bottom:12px;}
.card p{color:var(--muted);font-size:15px;line-height:1.8;}
.card ul{margin-top:16px;display:grid;gap:9px;}
.card ul li{display:flex;gap:10px;font-size:14px;color:#C8D4E3;align-items:flex-start;}
.icon-check{flex:0 0 16px;margin-top:5px;width:16px;height:16px;color:var(--primary);}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 11px;border-radius:var(--radius-pill);
  font-size:12px;font-family:var(--font-mono);letter-spacing:.04em;
  border:1px solid var(--line-strong);color:var(--muted);background:rgba(255,255,255,.03);
}
.badge--primary{border-color:rgba(18,224,184,.42);color:var(--primary);background:var(--primary-dim);}
.badge--accent{border-color:rgba(255,59,78,.45);color:#FF8A93;background:rgba(255,59,78,.12);}
/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;
  background:linear-gradient(180deg, rgba(18,224,184,.42), rgba(255,255,255,.10));
  transform:translateX(-.5px);
}
.tl-item{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;padding:16px 0;}
.tl-node{
  position:absolute;left:50%;top:34px;width:13px;height:13px;border-radius:50%;
  border:2px solid var(--primary);background:var(--ink);transform:translate(-50%,-50%);
}
.tl-item.is-now .tl-node{background:var(--primary);box-shadow:0 0 0 6px rgba(18,224,184,.16),0 0 18px rgba(18,224,184,.5);}
.tl-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;
  transition:border-color .25s ease;
}
.tl-card:hover{border-color:rgba(18,224,184,.34);}
.tl-time{font-family:var(--font-mono);font-size:14px;color:var(--primary);display:block;margin-bottom:10px;}
.tl-card h3{font-size:18px;margin-bottom:10px;}
.tl-card p{font-size:14px;color:var(--muted);margin-bottom:14px;}
.tl-item:nth-child(odd) .tl-card{grid-column:1;}
.tl-item:nth-child(even) .tl-card{grid-column:2;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;}
/* ---------- 团队/栏目亮点卡 ---------- */
.person-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:border-color .25s ease, transform .25s ease;
}
.person-card:hover{border-color:rgba(18,224,184,.34);transform:translateY(-3px);}
.person-media{position:relative;overflow:hidden;background:var(--ink-3);aspect-ratio:16/10;}
.person-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.person-card:hover .person-media img{transform:scale(1.03);}
.person-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,12,22,0) 46%,rgba(7,12,22,.86));}
.person-body{padding:20px 22px 24px;}
.person-body h3{font-size:18px;margin-bottom:6px;}
.person-role{font-size:13px;color:var(--primary);font-family:var(--font-mono);display:block;margin-bottom:12px;}
.person-body p{font-size:14px;color:var(--muted);}
/* ---------- 票种对比 ---------- */
.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:start;}
.plan{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;
  display:flex;flex-direction:column;gap:16px;position:relative;
  transition:border-color .25s ease, transform .25s ease;
}
.plan:hover{border-color:rgba(18,224,184,.34);}
.plan.is-featured{
  background:linear-gradient(180deg, rgba(18,224,184,.10), rgba(255,255,255,.03));
  border-color:rgba(18,224,184,.52);
  transform:translateY(-8px);
  box-shadow:0 20px 48px rgba(18,224,184,.14);
}
.plan.is-featured:hover{transform:translateY(-10px);}
.plan-flag{
  position:absolute;top:-12px;right:20px;
  padding:4px 12px;border-radius:var(--radius-pill);
  background:var(--accent);color:#fff;font-size:12px;font-weight:700;font-family:var(--font-mono);
}
.plan-name{font-size:20px;font-weight:800;}
.plan-price{font-family:var(--font-mono);font-size:34px;font-weight:700;color:var(--primary);line-height:1.1;}
.plan-price sub{font-size:13px;color:var(--muted);font-family:var(--font-cn);font-weight:400;vertical-align:baseline;margin-left:6px;}
.plan-desc{font-size:14px;color:var(--muted);}
.plan-list{display:grid;gap:11px;border-top:1px solid var(--line);padding-top:18px;margin-top:2px;}
.plan-list li{display:flex;gap:10px;font-size:14px;align-items:flex-start;color:#CBD7E6;}
.plan-list li.is-off{color:#6C7A8E;}
.plan-list li.is-off .icon-check{color:#4A5768;}
.plan .btn{width:100%;margin-top:auto;}
/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.news-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  transition:border-color .25s ease, transform .25s ease, background-color .25s ease;
  height:100%;
}
.news-card:hover{border-color:var(--primary);transform:translateY(-3px);background:var(--panel-2);}
.news-link{display:flex;flex-direction:column;gap:12px;padding:24px;height:100%;}
.news-link h3{
  font-size:18px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-link h3{color:var(--primary);}
.news-link p{
  font-size:14px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.news-meta .arrow{color:var(--primary);font-family:var(--font-mono);}
.empty-state{
  grid-column:1/-1;text-align:center;padding:64px 24px;
  border:1px dashed var(--line-strong);border-radius:var(--radius);background:rgba(255,255,255,.02);
}
.empty-state strong{display:block;font-size:17px;margin-bottom:8px;}
.empty-state span{font-size:14px;color:var(--muted);}
.empty-state .empty-icon{
  width:44px;height:44px;margin:0 auto 18px;border-radius:14px;
  border:1px solid rgba(18,224,184,.4);display:grid;place-items:center;color:var(--primary);
}
/* ---------- CTA 表单 ---------- */
.cta-band{
  position:relative;border:1px solid var(--line);border-radius:var(--radius-lg);
  background:
    linear-gradient(120deg, rgba(18,224,184,.10), rgba(18,224,184,0) 52%),
    var(--ink-2);
  padding:52px;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;top:-40%;right:-10%;width:46%;height:180%;
  background:linear-gradient(115deg, rgba(18,224,184,.14), transparent 60%);
  transform:skewX(-14deg);pointer-events:none;
}
.cta-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:56px;align-items:start;position:relative;z-index:1;}
.cta-copy h2{font-size:30px;margin-bottom:16px;}
.cta-copy p{color:var(--muted);font-size:15px;margin-bottom:24px;}
.cta-points{display:grid;gap:14px;}
.cta-points li{display:flex;gap:12px;font-size:15px;color:#CBD7E6;align-items:flex-start;}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field--full{grid-column:1/-1;}
.field label{font-size:14px;color:#C8D4E3;}
.field .req{color:var(--accent);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--text);font-size:15px;transition:border-color .2s ease, box-shadow .25s ease, background-color .2s ease;
}
.field input::placeholder,.field textarea::placeholder{color:#6F7D91;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(18,224,184,.18);
  background:rgba(18,224,184,.05);
}
.field select option{background:var(--ink-2);color:var(--text);}
.field .hint{font-size:12.5px;color:var(--muted);}
.form-actions{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:4px;}
.form-status{font-size:13.5px;color:var(--muted);}
.form-status.is-ok{color:var(--primary);}
.form-status.is-err{color:#FF8A93;}
/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:56px;align-items:start;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 44px 22px 0;position:relative;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.6;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:12px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);
  transform:translateY(-70%) rotate(45deg);transition:transform .28s ease;
}
.faq-item[open] summary{color:var(--primary);}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);}
.faq-item summary:hover{color:var(--primary);}
.faq-body{padding:0 44px 24px 0;color:var(--muted);font-size:15px;line-height:1.9;}
/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:24px;border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(255,255,255,.02), transparent 40%);
  padding:72px 0 28px;position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,2.4fr) minmax(0,2.4fr) minmax(0,2.6fr);gap:40px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{font-size:14px;color:var(--muted);max-width:30em;}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text);}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{font-size:14px;color:var(--muted);}
.footer-col a:hover{color:var(--primary);}
.footer-meta{font-size:14px;color:var(--muted);display:grid;gap:12px;}
.footer-meta .mono{color:#C4D0DF;}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--muted);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--radius-pill);
  border:1px solid var(--line);font-size:13px;color:var(--muted);
}
.to-top:hover{border-color:var(--primary);color:var(--primary);}
@media (max-width:1280px){
  .hero-stat{padding-right:26px;margin-right:26px;}
  .brand-name{font-size:15px;}
  .nav-menu a{padding:8px 11px;font-size:14px;}
}
@media (max-width:1024px){
  .section{padding:76px 0;}
  .hero{min-height:auto;padding:132px 0 64px;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero h1{max-width:none;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3,.news-grid,.plans{grid-template-columns:repeat(2,minmax(0,1fr));}
  .plan.is-featured{transform:none;}
  .plan.is-featured:hover{transform:translateY(-3px);}
  .cta-grid,.faq-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px;}
  .nav-menu,.nav-shell > .nav-cta{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section-title{font-size:26px;}
  .grid-4,.grid-3,.grid-2,.news-grid,.plans{grid-template-columns:1fr;}
  .plans{
    display:flex;overflow-x:auto;gap:16px;padding-bottom:12px;
    scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  }
  .plan{min-width:260px;flex:0 0 auto;scroll-snap-align:start;}
  .timeline::before{left:7px;}
  .tl-item{grid-template-columns:1fr;gap:0;padding-left:34px;}
  .tl-node{left:7px;top:36px;}
  .tl-item:nth-child(odd) .tl-card,.tl-item:nth-child(even) .tl-card{grid-column:1;}
  .hero-stats{gap:20px 0;}
  .hero-stat{flex:1 1 46%;padding-right:18px;margin-right:18px;}
  .hero-stat:nth-child(2){border-right:0;margin-right:0;padding-right:0;}
  .hero-stat b{font-size:22px;}
  .form-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-actions .btn{flex:1 1 100%;}
}
@media (max-width:560px){
  .site-header{top:10px;width:calc(100% - 20px);}
  .nav-shell{padding:8px 10px 8px 12px;}
  .brand-sub{display:none;}
  .brand-name{font-size:14px;}
  .hero{padding-top:112px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:16px;}
  .hero-visual-cap{flex-direction:column;align-items:flex-start;gap:8px;}
  .section-title{font-size:23px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --ink:#070C16;
  --ink-2:#0D1626;
  --ink-3:#101B2E;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --primary:#12E0B8;
  --primary-dim:rgba(18,224,184,.35);
  --accent:#FF3B4E;
  --text:#EAF1FA;
  --muted:#9AA9BE;
  --glow:0 0 0 1px rgba(18,224,184,.35), 0 8px 28px rgba(18,224,184,.18);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-pill:999px;
  --shadow-soft:0 12px 34px rgba(2,6,14,.45);
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --mono:"JetBrains Mono","SFMono-Regular",Consolas,monospace;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  z-index:0;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,opacity .2s ease}
a:hover{color:var(--primary)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;box-shadow:0 0 0 4px rgba(18,224,184,.22);border-radius:6px}
::selection{background:rgba(18,224,184,.28)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:1}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:44px}
.section-head h2{font-size:30px}
.section-head .eyebrow{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.22em;color:var(--primary);text-transform:uppercase;margin-bottom:10px}
.section-head p{color:var(--muted);font-size:15px;max-width:560px}
.slash-divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong) 18%,var(--line-strong) 82%,transparent);position:relative}
.slash-divider::after{
  content:"";position:absolute;left:50%;top:0;width:120px;height:1px;transform:translateX(-50%) skewX(-45deg);
  background:var(--primary);opacity:.7;
}

/* ===== 悬浮胶囊导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  padding:18px 0;
  transition:background .28s ease,padding .28s ease,border-color .28s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  padding:10px 0;
  background:rgba(7,12,22,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-shell{
  width:100%;max-width:var(--maxw);margin:0 auto;padding:8px 10px 8px 18px;
  display:flex;align-items:center;gap:18px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(18,224,184,.9),rgba(18,224,184,.28));
  color:#04140F;font-weight:800;font-size:16px;letter-spacing:0;
  box-shadow:var(--glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-name em{font-style:normal;color:var(--primary)}
.brand-sub{font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--muted)}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap}
.nav-menu a{
  display:inline-block;padding:8px 13px;border-radius:var(--radius-pill);
  font-size:14px;font-weight:500;color:#C7D3E3;white-space:nowrap;
  border-bottom:2px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.nav-menu a:hover{background:var(--panel-2);color:var(--text)}
.nav-menu a.is-active{color:var(--text);font-weight:700;border-bottom:2px solid var(--primary);border-radius:0}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:12px;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn-primary{background:var(--primary);color:#04140F;box-shadow:0 6px 20px rgba(18,224,184,.22)}
.btn-primary:hover{background:#27F0CB;color:#04140F;transform:translateY(-1px);box-shadow:var(--glow)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.btn-sm{padding:10px 18px;font-size:13.5px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}

/* ===== 徽章 / 标签 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  border:1px solid var(--line);background:var(--panel);color:#BFCDE0;
}
.badge-primary{border-color:rgba(18,224,184,.42);color:var(--primary);background:rgba(18,224,184,.08)}
.badge-accent{border-color:rgba(255,59,78,.45);color:var(--accent);background:rgba(255,59,78,.08)}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  padding:7px 14px;border-radius:var(--radius-pill);border:1px solid var(--line);
  background:var(--panel);font-size:13px;color:#C2CFE1;transition:border-color .2s ease,color .2s ease;
}
.tag:hover{border-color:var(--primary);color:var(--primary)}

/* ===== 页头（文章 Banner） ===== */
.page-hero{
  position:relative;
  padding:158px 0 62px;
  background-image:linear-gradient(180deg,rgba(7,12,22,.72),rgba(7,12,22,.94)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center 30%;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(18,224,184,.55),transparent);
}
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{opacity:.5}
.crumbs .current{color:#C7D3E3;max-width:62ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-hero h1{font-size:clamp(30px,4vw,46px);max-width:22ch}
.page-hero .lede{margin-top:18px;color:#B9C7D9;font-size:16px;max-width:64ch}
.meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 16px;
  margin-top:24px;font-size:13px;color:var(--muted);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong);display:inline-block}
.meta-row .chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 12px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:var(--panel);color:#C7D3E3;
}

/* ===== 文章布局 ===== */
.article-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:52px;align-items:start;
}
.article-panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:44px 46px;
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
}
.article-body{max-width:760px;font-size:18px;line-height:1.95;color:#DEE7F2}
.article-body > :first-child{margin-top:0}
.article-body p{margin:0 0 1.4em}
.article-body h2{font-size:28px;margin:48px 0 16px;color:var(--text);padding-left:14px;border-left:3px solid var(--primary)}
.article-body h3{font-size:20px;margin:32px 0 12px;color:var(--text)}
.article-body h4{font-size:17px;margin:26px 0 10px;color:#C9D6E6}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:22px}
.article-body ul{list-style:none}
.article-body ul li{position:relative;padding-left:18px;margin:.5em 0}
.article-body ul li::before{content:"";position:absolute;left:0;top:.82em;width:7px;height:2px;background:var(--primary)}
.article-body ol{list-style:decimal}
.article-body ol li{margin:.5em 0}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#4CF0D2}
.article-body blockquote{
  margin:0 0 1.4em;padding:4px 0 4px 20px;border-left:3px solid var(--primary);
  color:#B8C6D8;background:linear-gradient(90deg,rgba(18,224,184,.06),transparent);
}
.article-body img{border-radius:var(--radius-img);border:1px solid var(--line);margin:0 0 10px}
.article-body figure{margin:0 0 1.4em}
.article-body figcaption{font-size:13px;color:var(--muted);line-height:1.7}
.article-body strong{color:#FFFFFF;font-weight:700}
.article-body code{
  font-family:var(--mono);font-size:.9em;background:rgba(255,255,255,.07);
  border:1px solid var(--line);padding:2px 7px;border-radius:6px;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:0 0 1.5em;font-size:15px;
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-body th{background:rgba(255,255,255,.05);color:#D5E0EE;font-weight:700}
.article-body hr{border:0;height:1px;background:var(--line);margin:36px 0}

.article-foot{margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.article-foot .foot-label{font-family:var(--mono);font-size:12px;letter-spacing:.18em;color:var(--muted);margin-bottom:14px;text-transform:uppercase}

.empty-state{
  text-align:center;padding:64px 24px;border:1px dashed var(--line-strong);border-radius:var(--radius-card);
  background:var(--panel);
}
.empty-state .icon{
  width:52px;height:52px;margin:0 auto 18px;border-radius:14px;display:grid;place-items:center;
  border:1px solid var(--line);background:var(--ink-3);color:var(--primary);font-family:var(--mono);font-size:20px;
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px}

/* ===== 侧栏 ===== */
.side{display:flex;flex-direction:column;gap:22px;position:sticky;top:104px}
.side-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 22px;
}
.side-card h3{font-size:16px;margin-bottom:6px}
.side-card .hint{font-size:13px;color:var(--muted);margin-bottom:16px;line-height:1.75}
.side-list{display:flex;flex-direction:column;gap:2px}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 2px;border-bottom:1px solid var(--line);
  font-size:14px;color:#C4D1E2;
}
.side-list a:last-child{border-bottom:0}
.side-list a:hover{color:var(--primary);padding-left:6px}
.side-list .arrow{font-family:var(--mono);font-size:12px;color:var(--muted)}
.side-card.is-cta{background:linear-gradient(160deg,rgba(18,224,184,.10),rgba(255,255,255,.03));border-color:rgba(18,224,184,.30)}
.side-card.is-cta .btn{width:100%;margin-top:16px}
.side-stat{display:flex;gap:18px;margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}
.side-stat div{flex:1}
.side-stat .num{font-family:var(--mono);font-size:20px;color:var(--primary);font-weight:600}
.side-stat .lbl{font-size:12px;color:var(--muted);margin-top:2px}

/* ===== 相关推荐 ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card{
  display:flex;flex-direction:column;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:border-color .24s ease,transform .24s ease,background .24s ease;
}
.card:hover{border-color:rgba(18,224,184,.45);transform:translateY(-3px);background:var(--panel-2)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ink-3);border-bottom:1px solid var(--line)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .badge{position:absolute;left:12px;top:12px;background:rgba(7,12,22,.78)}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;line-height:1.5}
.card-body p{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted)}
.card-foot .go{font-family:var(--mono);color:var(--primary)}

/* ===== 返回 CTA ===== */
.cta-band{
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:linear-gradient(120deg,rgba(18,224,184,.09),rgba(255,255,255,.02) 55%,rgba(255,59,78,.05));
  padding:40px 42px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.cta-band h2{font-size:24px;margin-bottom:8px}
.cta-band p{color:var(--muted);font-size:15px;max-width:56ch}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:96px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(13,22,38,.6),rgba(7,12,22,.95));
  padding:66px 0 26px;position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:38px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.85;max-width:42ch}
.footer-col h4{font-size:14px;letter-spacing:.04em;margin-bottom:16px;color:#D6E1EF}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--primary)}
.footer-meta{display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:var(--muted)}
.footer-meta .mono{color:#C0CDDF}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.to-top{font-size:13px;color:var(--muted)}
.to-top:hover{color:var(--primary)}

/* ===== 响应式 ===== */
@media (max-width:1280px){
  .nav-menu a{padding:8px 10px;font-size:13.5px}
  .article-wrap{grid-template-columns:minmax(0,1fr) 290px;gap:36px}
}
@media (max-width:1024px){
  .section{padding:76px 0}
  .nav-menu{display:none}
  .nav-toggle{display:inline-flex}
  .nav-menu.is-open{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:fixed;left:16px;right:16px;top:82px;
    background:rgba(9,15,27,.96);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    border:1px solid var(--line);border-radius:20px;padding:18px;
    box-shadow:var(--shadow-soft);max-height:calc(100vh - 110px);overflow:auto;
  }
  .nav-menu.is-open a{font-size:18px;padding:13px 14px;border-radius:12px;border-bottom:0}
  .nav-menu.is-open a.is-active{background:rgba(18,224,184,.10);color:var(--primary);border-bottom:0}
  .nav-actions .btn-sm{display:none}
  .nav-actions .drawer-cta{display:flex}
  .article-wrap{grid-template-columns:minmax(0,1fr)}
  .side{position:static;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 280px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .page-hero{padding:132px 0 48px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px}
  .section-head h2{font-size:24px}
  .article-panel{padding:28px 20px;border-radius:14px}
  .article-body{font-size:17px;line-height:1.9}
  .article-body h2{font-size:22px;margin:36px 0 14px}
  .cta-band{padding:28px 22px;flex-direction:column;align-items:flex-start}
  .crumbs .current{white-space:normal;max-width:100%}
}
@media (max-width:560px){
  .container{padding:0 18px}
  .nav-shell{padding:7px 8px 7px 12px;gap:10px}
  .brand-sub{display:none}
  .brand-name{font-size:14.5px}
  .page-hero h1{font-size:28px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .side{flex-direction:column}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .side-stat{flex-wrap:wrap}
}

/* roulang page: category1 */
:root{
  --ink:#070C16;
  --ink-2:#0D1626;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.025);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(18,224,184,.30);
  --primary:#12E0B8;
  --primary-soft:rgba(18,224,184,.14);
  --accent:#FF3B4E;
  --text:#EAF1FA;
  --muted:#9AA9BE;
  --glow:0 0 0 1px rgba(18,224,184,.35), 0 8px 28px rgba(18,224,184,.18);
  --shadow:0 18px 44px rgba(0,0,0,.45);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --container:1200px;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:"JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --sec-pad:96px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:-0.005em;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 78% -8%, rgba(18,224,184,.10), transparent 62%),
    radial-gradient(720px 420px at 6% 22%, rgba(255,59,78,.055), transparent 66%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;box-shadow:0 0 0 6px rgba(18,224,184,.16)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:2}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-0.01em}
.muted{color:var(--muted)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}

/* ---------- Header / Nav ---------- */
.site-header{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:80;
  transition:top .25s ease;
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:16px;
  padding:9px 12px 9px 16px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(7,12,22,.55);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:background-color .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled .nav-wrap{
  background:rgba(7,12,22,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 14px 36px rgba(0,0,0,.5);
  border-color:rgba(255,255,255,.14);
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(150deg,rgba(18,224,184,.22),rgba(18,224,184,.04));
  border:1px solid var(--line-strong);
  color:var(--primary);
  font-weight:800;
  font-size:18px;
  letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:800;letter-spacing:-0.01em;white-space:nowrap}
.brand-name em{font-style:normal;color:var(--primary)}
.brand-sub{font-family:var(--mono);font-size:10px;color:var(--muted);letter-spacing:.14em;margin-top:2px;white-space:nowrap}

.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-menu a{
  position:relative;
  padding:9px 14px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  color:#CBD6E6;
  white-space:nowrap;
}
.nav-menu a:hover{color:var(--text);background:var(--panel)}
.nav-menu a.is-active{color:var(--text);font-weight:600}
.nav-menu a.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:3px;
  height:2px;border-radius:2px;background:var(--primary);
  box-shadow:0 0 10px rgba(18,224,184,.7);
}
.nav-cta{flex:0 0 auto}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--panel);
  color:var(--text);
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;top:50%;
  width:17px;height:1.6px;background:currentColor;transform:translate(-50%,-50%);
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle span::before{content:"";transform:translate(-50%,-6px)}
.nav-toggle span::after{content:"";transform:translate(-50%,6px)}
.nav-toggle.is-open span{transform:translate(-50%,-50%) rotate(45deg)}
.nav-toggle.is-open span::before{transform:translate(-50%,0) rotate(90deg)}
.nav-toggle.is-open span::after{opacity:0}

.drawer{
  position:fixed;
  inset:0;
  z-index:70;
  background:rgba(7,12,22,.96);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  padding:110px 24px 40px;
  display:none;
  flex-direction:column;
  gap:6px;
}
.drawer.is-open{display:flex}
.drawer a{
  font-size:18px;
  padding:15px 4px;
  border-bottom:1px solid var(--line);
  color:#D6DFEC;
}
.drawer a.is-active{color:var(--primary);font-weight:700}
.drawer .btn{margin-top:20px;width:100%}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  transition:transform .18s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease,color .22s ease;
}
.btn-primary{
  background:var(--primary);
  color:#04140F;
  box-shadow:0 8px 22px rgba(18,224,184,.22);
}
.btn-primary:hover{box-shadow:var(--glow);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 14px rgba(18,224,184,.24)}
.btn-ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--text);
}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--primary)}
.btn-sm{padding:9px 16px;font-size:13.5px}
.btn:disabled,.btn.is-disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:158px 0 78px;
  min-height:66vh;
  display:flex;
  align-items:center;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(7,12,22,.97) 0%,rgba(7,12,22,.90) 42%,rgba(7,12,22,.48) 70%,rgba(7,12,22,.94) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center right;
  z-index:0;
}
.hero-grid{
  position:absolute;inset:0;z-index:1;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
}
.hero-slash{
  position:absolute;z-index:1;top:-10%;right:24%;width:180px;height:130%;
  background:repeating-linear-gradient(45deg,rgba(18,224,184,.16) 0 2px,transparent 2px 12px);
  transform:skewX(-14deg);
  opacity:.5;
  pointer-events:none;
}
.hero-inner{position:relative;z-index:3;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:56px;align-items:center}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:20px;
}
.crumb a:hover{color:var(--primary)}
.crumb span.dot{opacity:.5}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  background:var(--primary-soft);
  color:var(--primary);
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
  margin-bottom:22px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary);display:inline-block}
.hero h1{
  font-size:clamp(30px,4.3vw,52px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:-0.02em;
  margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero-lead{
  font-size:17px;color:#C3CFE0;max-width:640px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}

.stat-bar{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:20px 0;
  max-width:640px;
}
.stat-bar .stat{padding:0 20px;border-right:1px solid var(--line)}
.stat-bar .stat:first-child{padding-left:0}
.stat-bar .stat:last-child{border-right:0}
.stat-num{font-family:var(--mono);font-size:24px;font-weight:600;color:var(--primary);line-height:1.3}
.stat-num small{font-size:13px;color:var(--muted);margin-left:4px;font-weight:400}
.stat-label{font-size:13px;color:var(--muted);line-height:1.6}

.hero-panel{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--panel);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  padding:22px;
}
.hero-panel h3{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.hero-panel h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--primary)}
.check-list li{
  display:flex;gap:11px;align-items:flex-start;
  padding:11px 0;
  border-bottom:1px dashed rgba(255,255,255,.08);
  font-size:14px;color:#C7D2E2;line-height:1.7;
}
.check-list li:last-child{border-bottom:0}
.check-list .tick{
  flex:0 0 auto;width:18px;height:18px;margin-top:4px;
  border-radius:6px;border:1px solid var(--line-strong);
  background:var(--primary-soft);
  position:relative;
}
.check-list .tick::after{
  content:"";position:absolute;left:5px;top:3px;width:5px;height:9px;
  border-right:1.8px solid var(--primary);border-bottom:1.8px solid var(--primary);
  transform:rotate(42deg);
}
.hero-panel .panel-foot{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);
}

/* ---------- Section shell ---------- */
.section{padding:var(--sec-pad) 0;position:relative}
.section-alt{background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-tag{
  display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:.16em;
  color:var(--primary);margin-bottom:12px;text-transform:uppercase;
}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:800;line-height:1.3;letter-spacing:-0.015em;margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:16px;max-width:660px}
.sec-head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;max-width:none}

/* ---------- Cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}

.card{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--panel);
  padding:26px;
  transition:border-color .22s ease,transform .22s ease,background-color .22s ease;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-3px);background:rgba(255,255,255,.06)}
.card h3{font-size:19px;font-weight:700;margin-bottom:10px;line-height:1.45}
.card p{color:var(--muted);font-size:15px;line-height:1.8}
.card-icon{
  width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;
  border:1px solid var(--line-strong);
  background:var(--primary-soft);
  color:var(--primary);
  font-family:var(--mono);font-weight:600;font-size:16px;
  margin-bottom:18px;
}
.card-index{
  font-family:var(--mono);font-size:12px;color:var(--muted);
  border:1px solid var(--line);border-radius:var(--r-pill);
  padding:2px 10px;display:inline-block;margin-bottom:16px;
}

/* ---------- Entry big cards (两列 图左文右) ---------- */
.entry-card{
  display:grid;
  grid-template-columns:264px minmax(0,1fr);
  gap:0;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--panel);
  overflow:hidden;
  transition:border-color .24s ease,transform .24s ease;
}
.entry-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.entry-media{overflow:hidden;background:var(--ink-2);min-height:100%}
.entry-media img{
  width:100%;height:100%;object-fit:cover;border-radius:0;
  aspect-ratio:16/10;
  transition:transform .35s ease;
}
.entry-card:hover .entry-media img{transform:scale(1.03)}
.entry-body{padding:26px 28px;display:flex;flex-direction:column;gap:12px}
.entry-body h3{font-size:20px;font-weight:700;line-height:1.5}
.entry-body p{color:var(--muted);font-size:15px;line-height:1.85}
.entry-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  font-size:12.5px;color:var(--muted);
}
.entry-foot a{color:var(--primary);font-weight:600}
.entry-foot a:hover{text-decoration:underline}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  background:var(--primary-soft);
  color:var(--primary);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  width:fit-content;
}
.badge-accent{border-color:rgba(255,59,78,.4);background:rgba(255,59,78,.12);color:#FF8C97}

/* ---------- Timeline ---------- */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:50%;top:6px;bottom:6px;width:1px;
  background:linear-gradient(180deg,rgba(18,224,184,.45),rgba(255,255,255,.10) 55%,rgba(255,255,255,.06));
}
.tl-item{display:grid;grid-template-columns:1fr 72px 1fr;align-items:center;margin-bottom:22px}
.tl-node{
  grid-column:2;justify-self:center;
  width:14px;height:14px;border-radius:50%;
  border:1.5px solid var(--primary);
  background:var(--ink);
  box-shadow:0 0 0 5px rgba(18,224,184,.08);
  z-index:2;
}
.tl-item.is-now .tl-node{background:var(--primary);box-shadow:0 0 0 6px rgba(18,224,184,.16),0 0 16px rgba(18,224,184,.6)}
.tl-card{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--panel);
  padding:20px 22px;
  transition:border-color .22s ease;
}
.tl-card:hover{border-color:var(--line-strong)}
.tl-card .t-time{font-family:var(--mono);font-size:13px;color:var(--primary);margin-bottom:8px;display:block}
.tl-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.tl-card p{color:var(--muted);font-size:14.5px;line-height:1.8}
.tl-item:nth-child(odd) .tl-card{grid-column:1;text-align:right}
.tl-item:nth-child(even) .tl-card{grid-column:3}

/* ---------- Compare (设备适配) ---------- */
.compare{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--panel-2)}
.compare-col{padding:28px 24px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:16px}
.compare-col:last-child{border-right:0}
.compare-col.is-featured{background:rgba(18,224,184,.05);box-shadow:inset 0 0 0 1px rgba(18,224,184,.22)}
.compare-col h3{font-size:18px;font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:10px}
.compare-col .price{font-family:var(--mono);font-size:14px;color:var(--muted)}
.compare-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:10px 0;border-bottom:1px dashed rgba(255,255,255,.08);
  font-size:14.5px;color:#C7D2E2;line-height:1.7;
}
.compare-list li:last-child{border-bottom:0}
.compare-list .ok{color:var(--primary);font-family:var(--mono);flex:0 0 auto}
.compare-list .no{color:rgba(154,169,190,.65);font-family:var(--mono);flex:0 0 auto}
.compare-col .btn{margin-top:auto;width:100%}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:start}
.faq-side .sec-head{margin-bottom:22px}
.faq-side .btn{margin-top:8px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 2px;
  font-size:16.5px;font-weight:600;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-right:6px;
  border-right:1.6px solid var(--primary);border-bottom:1.6px solid var(--primary);
  transform:rotate(45deg);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item summary:hover{color:var(--primary)}
.faq-item .faq-body{padding:0 40px 22px 2px;color:var(--muted);font-size:15px;line-height:1.9}

/* ---------- CTA form ---------- */
.cta-panel{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);
  gap:52px;
  border:1px solid var(--line);
  border-radius:20px;
  background:linear-gradient(140deg,rgba(18,224,184,.08),rgba(255,255,255,.02) 46%,rgba(255,255,255,.015));
  padding:46px;
  position:relative;
  overflow:hidden;
}
.cta-panel::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;
  background:repeating-linear-gradient(45deg,rgba(18,224,184,.10) 0 2px,transparent 2px 13px);
  transform:rotate(10deg);pointer-events:none;
}
.cta-copy h2{font-size:clamp(23px,2.4vw,30px);font-weight:800;line-height:1.35;margin-bottom:16px}
.cta-copy p{color:var(--muted);font-size:15.5px;margin-bottom:24px;max-width:520px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#C7D2E2;padding:8px 0}
.cta-points .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);margin-top:10px;flex:0 0 auto}
.form-card{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:rgba(7,12,22,.6);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  padding:26px;
  position:relative;z-index:2;
}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:#C7D2E2;margin-bottom:7px;font-weight:500}
.field .req{color:var(--accent);margin-left:3px}
.field input,.field select,.field textarea{
  width:100%;
  padding:12px 14px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  color:var(--text);
  font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{min-height:92px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(154,169,190,.7)}
.field input:hover,.field select:hover,.field textarea:hover{border-color:rgba(255,255,255,.2)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(18,224,184,.15);
  background:rgba(255,255,255,.05);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.7}
.form-msg{
  display:none;margin-top:14px;padding:12px 14px;border-radius:var(--r-btn);
  font-size:13.5px;border:1px solid var(--line-strong);background:var(--primary-soft);color:var(--primary);
}
.form-msg.is-visible{display:block}
.form-msg.is-error{border-color:rgba(255,59,78,.45);background:rgba(255,59,78,.10);color:#FF9AA4}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:0;border-top:1px solid var(--line);
  background:var(--ink-2);
  padding:64px 0 28px;
  position:relative;z-index:2;
}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{color:var(--muted);font-size:14.5px;line-height:1.85;max-width:400px}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--text);letter-spacing:.02em}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14.5px;color:var(--muted)}
.footer-col ul a:hover{color:var(--primary)}
.footer-meta{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--muted)}
.footer-meta .mono{color:#C7D2E2}
.footer-bottom{
  margin-top:46px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:18px;
  font-size:13px;color:var(--muted);flex-wrap:wrap;
}
.to-top{color:var(--muted)}
.to-top:hover{color:var(--primary)}

/* ---------- Divider decoration ---------- */
.hatch-divider{
  height:34px;
  background:repeating-linear-gradient(45deg,rgba(18,224,184,.10) 0 2px,transparent 2px 14px);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  opacity:.8;
}

/* ---------- Responsive ---------- */
@media (max-width:1280px){
  .nav-menu a{padding:9px 11px;font-size:14px}
  .brand-sub{display:none}
}
@media (max-width:1080px){
  :root{--sec-pad:76px}
  .hero-inner{grid-template-columns:minmax(0,1fr);gap:38px}
  .hero-panel{max-width:620px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .cta-panel{grid-template-columns:minmax(0,1fr);gap:34px;padding:38px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px}
}
@media (max-width:1024px){
  .nav-menu{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:block;margin-left:auto}
  .nav-wrap{padding:9px 12px}
  .brand-sub{display:block}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .entry-card{grid-template-columns:210px minmax(0,1fr)}
}
@media (max-width:900px){
  .compare{grid-template-columns:repeat(3,minmax(260px,1fr));overflow-x:auto;scroll-snap-type:x mandatory;border-radius:var(--r-card)}
  .compare-col{scroll-snap-align:start}
}
@media (max-width:768px){
  :root{--sec-pad:56px}
  .container{padding:0 18px}
  .hero{padding:124px 0 56px;min-height:auto}
  .hero-actions .btn{width:100%}
  .stat-bar{grid-template-columns:1fr;gap:0;padding:12px 0}
  .stat-bar .stat{padding:12px 0;border-right:0;border-bottom:1px dashed rgba(255,255,255,.1)}
  .stat-bar .stat:last-child{border-bottom:0}
  .grid-2,.grid-3,.grid-4{grid-template-columns:minmax(0,1fr)}
  .entry-card{grid-template-columns:minmax(0,1fr)}
  .entry-media img{aspect-ratio:16/9}
  .entry-body{padding:22px 20px}
  .timeline::before{left:8px}
  .tl-item{grid-template-columns:minmax(0,1fr);position:relative;padding-left:34px;margin-bottom:16px}
  .tl-node{position:absolute;left:2px;top:24px;grid-column:auto}
  .tl-item:nth-child(odd) .tl-card,
  .tl-item:nth-child(even) .tl-card{grid-column:1;text-align:left}
  .cta-panel{padding:26px 20px;border-radius:16px}
  .form-card{padding:20px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:560px){
  .hero h1{font-size:30px}
  .card{padding:22px 20px}
  .sec-head{margin-bottom:32px}
  .faq-item summary{font-size:15.5px;padding:17px 2px}
  .faq-item .faq-body{padding-right:8px}
}

/* roulang page: category2 */
:root{
  --ink:#070C16;
  --ink-2:#0D1626;
  --panel:rgba(255,255,255,.045);
  --line:rgba(255,255,255,.10);
  --primary:#12E0B8;
  --accent:#FF3B4E;
  --text:#EAF1FA;
  --muted:#9AA9BE;
  --glow:0 0 0 1px rgba(18,224,184,.35),0 8px 28px rgba(18,224,184,.18);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --sp-sec:96px;
  --sp-sec-sm:56px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background-color:var(--ink);
  background-image:
    radial-gradient(900px 520px at 84% -12%, rgba(18,224,184,.10), transparent 62%),
    radial-gradient(720px 420px at -6% 24%, rgba(255,59,78,.06), transparent 60%);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;box-shadow:0 0 0 4px rgba(18,224,184,.22);border-radius:6px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.container{width:min(1200px,100% - 48px);margin:0 auto}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:60;transition:top .3s ease}
.nav-shell{
  width:min(1200px,100% - 48px);
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  padding:10px 12px 10px 18px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(7,12,22,.58);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled .nav-shell{
  background:rgba(7,12,22,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-color:rgba(255,255,255,.14);
  box-shadow:0 14px 44px rgba(0,0,0,.45);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;display:grid;place-items:center;
  border-radius:10px;border:1px solid rgba(18,224,184,.42);
  background:linear-gradient(160deg,rgba(18,224,184,.20),rgba(18,224,184,.02));
  color:var(--primary);font-weight:800;font-size:17px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:15.5px;font-weight:700;white-space:nowrap}
.brand-name em{font-style:normal;color:var(--primary)}
.brand-sub{font-size:10px;letter-spacing:.18em;color:var(--muted);font-family:var(--mono)}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-menu a{
  position:relative;padding:9px 13px;border-radius:999px;
  font-size:14.5px;color:var(--muted);
  transition:color .2s ease,background .2s ease;
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-menu a.is-active{color:#fff;font-weight:600}
.nav-menu a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(18,224,184,.7);
}
.header-cta{flex:0 0 auto}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;padding:0 11px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);cursor:pointer;
  transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:rgba(18,224,184,.4)}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:14.5px;font-weight:600;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--primary);color:#04140F;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(18,224,184,.5),0 12px 34px rgba(18,224,184,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn[disabled],.btn.is-loading{opacity:.6;pointer-events:none}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  border:1px solid rgba(18,224,184,.35);background:rgba(18,224,184,.08);
  color:var(--primary);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge--accent{border-color:rgba(255,59,78,.42);background:rgba(255,59,78,.10);color:var(--accent)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12px;letter-spacing:.16em;
  color:var(--primary);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);opacity:.7}

/* ---------- Hero ---------- */
.hero{position:relative;padding:172px 0 92px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background-image:
    linear-gradient(102deg,rgba(7,12,22,.97) 0%,rgba(7,12,22,.88) 44%,rgba(7,12,22,.52) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover,cover;
  background-position:center,center;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:170px;z-index:-1;
  background:linear-gradient(180deg,transparent,var(--ink));
}
.hero-inner{max-width:840px}
.hero h1{margin-top:20px;font-size:clamp(30px,4.4vw,52px);line-height:1.24}
.hero h1 .hi{color:var(--primary)}
.hero-lead{margin-top:22px;font-size:17px;color:#C6D3E4;max-width:670px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stats{
  display:flex;flex-wrap:wrap;margin-top:52px;padding-top:26px;
  border-top:1px solid var(--line);
}
.stat{flex:1 1 0;min-width:150px;padding:0 24px;border-left:1px solid var(--line)}
.stat:first-child{padding-left:0;border-left:0}
.stat b{display:block;font-family:var(--mono);font-size:24px;color:var(--primary);line-height:1.4}
.stat span{display:block;font-size:13px;color:var(--muted)}

/* ---------- 板块 ---------- */
.section{padding:var(--sp-sec) 0}
.section--alt{background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:730px;margin-bottom:44px}
.section-head h2{margin-top:16px;font-size:clamp(24px,3vw,32px)}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px}
.stripe-bar{
  height:8px;
  background:repeating-linear-gradient(135deg,rgba(18,224,184,.42) 0 2px,transparent 2px 11px);
  opacity:.55;
}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* 数据字段卡 */
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  transition:border-color .25s ease,transform .25s ease,background .25s ease;
}
.card:hover{border-color:rgba(18,224,184,.35);transform:translateY(-3px);background:rgba(255,255,255,.06)}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14.5px}
.card .card-index{
  display:block;font-family:var(--mono);font-size:12px;color:var(--primary);
  letter-spacing:.14em;margin-bottom:14px;
}

/* 赛事卡片 */
.match-card{
  display:flex;flex-direction:column;gap:14px;padding:18px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  transition:border-color .25s ease,transform .25s ease;
}
.match-card:hover{border-color:rgba(18,224,184,.38);transform:translateY(-3px)}
.match-card .thumb{
  border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/10;background:linear-gradient(140deg,#0B1524,#0D1626);
}
.match-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.match-card:hover .thumb img{transform:scale(1.04)}
.match-card h3{font-size:17px}
.match-card p{color:var(--muted);font-size:14px}
.match-card .meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:13px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:12.5px;color:var(--muted);
}
.match-card .meta a{color:var(--primary);font-family:var(--font);font-size:13.5px;font-weight:600}
.match-card .meta a:hover{text-decoration:underline}

/* 时间线 */
.timeline{position:relative;padding-left:34px;max-width:860px}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:10px;width:1px;background:var(--line)}
.tl-item{position:relative;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:7px;width:12px;height:12px;border-radius:50%;
  background:var(--ink);border:2px solid var(--primary);box-shadow:0 0 12px rgba(18,224,184,.55);
}
.tl-time{display:block;font-family:var(--mono);font-size:13px;color:var(--primary);letter-spacing:.06em}
.tl-item h3{font-size:18px;margin:6px 0 8px}
.tl-item p{color:var(--muted);font-size:14.8px;max-width:640px}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}

/* 场景卡 */
.scene-card{display:flex;gap:18px;align-items:flex-start;padding:26px}
.scene-num{
  flex:0 0 auto;width:44px;height:44px;display:grid;place-items:center;
  border-radius:12px;border:1px solid var(--line);background:rgba(18,224,184,.07);
  font-family:var(--mono);color:var(--primary);font-size:15px;
}
.scene-card h3{font-size:18px;margin-bottom:8px}
.scene-card p{color:var(--muted);font-size:14.5px}

/* FAQ */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 2px;cursor:pointer;font-weight:600;font-size:17px;
  list-style:none;transition:color .2s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--primary)}
.faq .arrow{
  flex:0 0 auto;width:24px;height:24px;display:grid;place-items:center;
  border-radius:50%;border:1px solid var(--line);color:var(--primary);
  font-size:12px;transition:transform .25s ease,border-color .25s ease;
}
.faq details[open] .arrow{transform:rotate(90deg);border-color:var(--primary)}
.faq .answer{padding:0 2px 24px;color:var(--muted);font-size:15px;max-width:840px}

/* CTA 表单 */
.cta-panel{
  display:grid;grid-template-columns:1.05fr 1fr;gap:46px;
  padding:46px;border:1px solid var(--line);border-radius:18px;
  background-image:linear-gradient(118deg,rgba(18,224,184,.09),rgba(13,22,38,.92) 46%);
  background-color:var(--ink-2);
}
.cta-panel h2{font-size:clamp(23px,2.7vw,30px);margin-top:16px}
.cta-panel .cta-copy p{margin-top:16px;color:var(--muted);font-size:15px;max-width:460px}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#C6D3E4}
.cta-points li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(18,224,184,.6);
}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:8px}
.req{color:var(--accent)}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:var(--radius-btn);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:rgba(154,169,190,.6)}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(18,224,184,.16);
}
.field select option{background:#0D1626;color:var(--text)}
.form-actions{margin-top:22px}
.form-msg{margin-top:14px;font-size:13.5px;color:var(--primary);opacity:0;transition:opacity .3s ease}
.form-msg.is-visible{opacity:1}
.form-note{margin-top:12px;font-size:12.5px;color:var(--muted)}

/* 页脚 */
.site-footer{border-top:1px solid var(--line);background:var(--ink-2);padding:66px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{color:var(--muted);font-size:14px;max-width:350px}
.footer-col h4{font-size:14px;letter-spacing:.06em;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:var(--muted);font-size:14.5px;transition:color .2s ease}
.footer-col a:hover{color:var(--primary)}
.footer-meta{display:flex;flex-direction:column;gap:10px;color:var(--muted);font-size:14px}
.footer-meta .mono{color:#C6D3E4}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:46px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.to-top{color:var(--primary);font-size:13px}
.to-top:hover{text-decoration:underline}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .nav-menu a{padding:9px 11px;font-size:14px}
}
@media (max-width:1080px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .brand-sub{display:none}
}
@media (max-width:980px){
  .nav-toggle{display:flex}
  .nav-menu{
    position:fixed;inset:0;z-index:55;
    flex-direction:column;justify-content:center;align-items:center;gap:14px;
    background:rgba(7,12,22,.96);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
  }
  .nav-menu.is-open{opacity:1;visibility:visible;transform:none}
  .nav-menu a{font-size:18px;padding:10px 18px;color:#D6E1EF}
  .cta-panel{grid-template-columns:1fr;gap:32px;padding:34px}
}
@media (max-width:768px){
  :root{--sp-sec:var(--sp-sec-sm)}
  .container{width:min(1200px,100% - 36px)}
  .nav-shell{width:min(1200px,100% - 36px);padding:8px 10px 8px 14px}
  .hero{padding:140px 0 70px}
  .hero-stats{border-top:0;padding-top:0;margin-top:40px;gap:18px}
  .stat{flex:1 1 100%;padding:0;border-left:0;border-top:1px solid var(--line);padding-top:14px}
  .stat:first-child{border-top:0;padding-top:0}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .timeline{padding-left:26px}
  .timeline::before{left:7px}
  .tl-item::before{left:-26px}
  .faq summary{font-size:16px;padding:20px 2px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:560px){
  .header-cta{display:none}
  .brand-name{font-size:14.5px}
  .hero h1{font-size:30px}
  .hero-lead{font-size:15.5px}
  .hero-actions .btn{flex:1 1 100%}
  .cta-panel{padding:26px}
  .match-card{padding:15px}
}

/* roulang page: category3 */
:root{
  --ink:#070C16;
  --ink-2:#0D1626;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.022);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --primary:#12E0B8;
  --primary-dim:rgba(18,224,184,.14);
  --accent:#FF3B4E;
  --text:#EAF1FA;
  --muted:#9AA9BE;
  --glow:0 0 0 1px rgba(18,224,184,.35), 0 8px 28px rgba(18,224,184,.18);
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:12px;
  --container:1200px;
  --sans:'Noto Sans SC',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{
  outline:2px solid rgba(18,224,184,.85);
  outline-offset:2px;
  border-radius:6px;
}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:80;transition:top .28s ease}
.header-inner{
  display:flex;align-items:center;gap:20px;
  padding:9px 12px 9px 18px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(7,12,22,.55);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:background-color .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.site-header.is-scrolled .header-inner{
  background:rgba(7,12,22,.82);
  border-color:rgba(18,224,184,.22);
  box-shadow:0 12px 34px rgba(0,0,0,.45);
}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand-mark{
  width:38px;height:38px;flex:none;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(150deg,rgba(18,224,184,.22),rgba(18,224,184,.04));
  border:1px solid rgba(18,224,184,.4);
  color:var(--primary);
  font-weight:800;font-size:18px;
  font-family:var(--sans);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-name em{font-style:normal;color:var(--primary)}
.brand-sub{font-size:10px;letter-spacing:.22em;color:var(--muted);font-family:var(--mono);text-transform:uppercase}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu a{
  position:relative;
  padding:8px 12px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  color:var(--muted);
  white-space:nowrap;
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.055)}
.nav-menu a.is-active{color:var(--text);font-weight:600}
.nav-menu a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;
  background:var(--primary);border-radius:2px;
  box-shadow:0 0 10px rgba(18,224,184,.65);
}
.nav-cta{display:none}
.header-cta{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:50%;
  border:1px solid var(--line);
  color:var(--text);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:17px;height:2px;background:currentColor;border-radius:2px;position:relative;transition:.25s}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:17px;height:2px;background:currentColor;border-radius:2px;transition:.25s
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg)}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .22s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-primary{background:var(--primary);color:#04140F}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--glow)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(18,224,184,.3)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-block{width:100%}
.btn[disabled],.btn.is-loading{opacity:.6;pointer-events:none}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:158px 0 84px;background:var(--ink)}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center right;
  opacity:.34;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,var(--ink) 10%,rgba(7,12,22,.9) 46%,rgba(7,12,22,.42) 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(120% 90% at 20% 0%,rgba(0,0,0,.9),transparent 70%);
  mask-image:radial-gradient(120% 90% at 20% 0%,rgba(0,0,0,.9),transparent 70%);
}
.hero-inner{position:relative;z-index:2;max-width:840px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{opacity:.45}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:12.5px;letter-spacing:.16em;
  color:var(--primary);text-transform:uppercase;
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--primary)}
.hero h1{
  font-size:clamp(32px,4.4vw,52px);
  font-weight:800;
  line-height:1.22;
  margin:20px 0 20px;
  letter-spacing:-.02em;
}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero-sub{font-size:17px;color:var(--muted);max-width:660px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.stat-bar{
  display:flex;flex-wrap:wrap;
  margin-top:44px;padding-top:24px;
  border-top:1px solid var(--line);
  max-width:680px;
}
.stat-bar li{flex:1 1 150px;padding-right:22px}
.stat-bar li + li{border-left:1px solid var(--line);padding-left:22px}
.stat-bar b{display:block;font-family:var(--mono);font-size:26px;font-weight:600;color:var(--primary);letter-spacing:-.02em}
.stat-bar span{font-size:13px;color:var(--muted)}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section.alt{background:var(--ink-2)}
.sec-head{max-width:760px;margin-bottom:46px}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);margin:14px 0 16px}
.sec-head p{color:var(--muted);font-size:16px}
.slash-divider{
  height:56px;position:relative;overflow:hidden;
  background:linear-gradient(90deg,rgba(18,224,184,.06),transparent 60%);
}
.slash-divider::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 9px);
  -webkit-mask-image:linear-gradient(90deg,rgba(0,0,0,.9),transparent 70%);
  mask-image:linear-gradient(90deg,rgba(0,0,0,.9),transparent 70%);
}

/* ---------- cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  border:1px solid var(--line);
  background:var(--panel);
  border-radius:var(--r-card);
  padding:28px 26px;
  transition:border-color .22s ease,transform .22s ease,background-color .22s ease;
}
.card:hover{border-color:rgba(18,224,184,.4);transform:translateY(-3px)}
.card .idx{
  font-family:var(--mono);font-size:12.5px;color:var(--primary);
  letter-spacing:.14em;display:block;margin-bottom:16px;
}
.card h3{font-size:19px;margin-bottom:12px}
.card p{color:var(--muted);font-size:15px}
.card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.card-thumb{border:1px solid var(--line);background:var(--panel);border-radius:var(--r-card);overflow:hidden;transition:border-color .22s ease,transform .22s ease}
.card-thumb:hover{border-color:rgba(18,224,184,.4);transform:translateY(-3px)}
.card-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;transition:transform .3s ease}
.card-thumb:hover img{transform:scale(1.03)}
.card-thumb .body{padding:22px 24px 26px}
.card-thumb .body h3{font-size:18px;margin-bottom:10px}
.card-thumb .body p{color:var(--muted);font-size:15px}

.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);
  font-size:12.5px;color:var(--muted);
  background:rgba(255,255,255,.03);
}
.tag.is-primary{border-color:rgba(18,224,184,.42);color:var(--primary);background:var(--primary-dim)}
.badge-accent{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;
  color:#FF97A2;background:rgba(255,59,78,.14);
  border:1px solid rgba(255,59,78,.38);
}

/* ---------- split block ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split-media{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--panel)}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:0}
.split-media figcaption{padding:14px 18px;font-size:13px;color:var(--muted)}
.scene-list{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;margin-top:6px}
.scene-list li{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.scene-list .n{font-family:var(--mono);color:var(--primary);font-size:13.5px;flex:none;padding-top:3px}
.scene-list h3{font-size:16.5px;margin-bottom:6px}
.scene-list p{font-size:14.5px;color:var(--muted)}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:0}
.timeline::before{
  content:"";position:absolute;left:50%;top:6px;bottom:6px;width:1px;
  background:linear-gradient(180deg,rgba(18,224,184,.5),rgba(255,255,255,.1));
  transform:translateX(-.5px);
}
.tl-item{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;padding-bottom:38px}
.tl-item:last-child{padding-bottom:0}
.tl-item .tl-card{grid-column:1;text-align:right;border:1px solid var(--line);background:var(--panel);border-radius:var(--r-card);padding:24px 26px;transition:border-color .22s ease}
.tl-item .tl-card:hover{border-color:rgba(18,224,184,.42)}
.tl-item:nth-child(even) .tl-card{grid-column:2;text-align:left}
.tl-item::before{
  content:"";position:absolute;left:50%;top:26px;
  width:11px;height:11px;border-radius:50%;
  background:var(--ink);border:2px solid var(--primary);
  transform:translateX(-50%);
  box-shadow:0 0 0 4px rgba(18,224,184,.12);
}
.tl-item.is-now::before{background:var(--primary);box-shadow:0 0 14px rgba(18,224,184,.8)}
.tl-time{font-family:var(--mono);font-size:12.5px;color:var(--primary);letter-spacing:.12em}
.tl-card h3{font-size:18px;margin:10px 0 10px}
.tl-card p{color:var(--muted);font-size:15px}
.tl-card .tag{margin-top:16px}

/* ---------- tiers ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.tier{
  border:1px solid var(--line);
  background:var(--panel-2);
  border-radius:var(--r-card);
  padding:30px 26px;
  transition:border-color .22s ease,transform .22s ease;
}
.tier:hover{border-color:rgba(18,224,184,.3)}
.tier.is-featured{
  background:var(--panel);
  border-color:rgba(18,224,184,.5);
  transform:translateY(-8px);
  box-shadow:var(--glow);
}
.tier-top{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:28px}
.tier h3{font-size:20px;margin:0}
.tier .price{font-family:var(--mono);font-size:28px;color:var(--primary);margin:18px 0 6px;letter-spacing:-.02em}
.tier .price small{font-size:13px;color:var(--muted);margin-left:6px}
.tier .desc{color:var(--muted);font-size:14.5px;min-height:52px}
.tier ul{margin:22px 0 24px;border-top:1px solid var(--line)}
.tier ul li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--text)}
.tier ul li .mark{font-family:var(--mono);color:var(--primary);flex:none}
.tier ul li.off{color:var(--muted)}
.tier ul li.off .mark{color:rgba(255,255,255,.28)}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:22px;
  padding:22px 2px;cursor:pointer;list-style:none;
  font-size:16.5px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";flex:none;width:9px;height:9px;
  border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);
  transform:rotate(45deg);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item p{color:var(--muted);font-size:15px;padding:0 46px 24px 2px;margin-top:-4px}

/* ---------- form ---------- */
.cta-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  padding:46px 44px;
}
.cta-panel h2{font-size:clamp(24px,2.6vw,30px);margin:14px 0 18px}
.cta-panel .lead{color:var(--muted)}
.mini-list{margin-top:26px;border-top:1px solid var(--line)}
.mini-list li{display:flex;gap:14px;padding:13px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--muted)}
.mini-list .mono{color:var(--primary);flex:none;font-size:13px;padding-top:3px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;margin-bottom:8px;color:var(--text)}
.req{color:var(--accent);font-weight:700}
.field input,.field select{
  width:100%;
  padding:12px 14px;
  border-radius:var(--r-btn);
  border:1px solid var(--line-strong);
  background:transparent;
  color:var(--text);
  font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:rgba(154,169,190,.65)}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field select option{background:var(--ink-2);color:var(--text)}
.field input:focus,.field select:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(18,224,184,.18);
  outline:none;
}
.form-tip{font-size:13px;color:var(--muted);margin-top:14px}
.form-msg{margin-top:14px;font-size:14px;border-radius:var(--r-btn);padding:12px 14px}
.form-msg.ok{color:#8CF3DF;background:rgba(18,224,184,.1);border:1px solid rgba(18,224,184,.35)}
.form-msg.err{color:#FFA7B0;background:rgba(255,59,78,.1);border:1px solid rgba(255,59,78,.35)}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--ink-2);margin-top:0;padding:70px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px}
.footer-brand p{color:var(--muted);font-size:14.5px;margin-top:20px;max-width:330px}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text)}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{color:var(--muted);font-size:14.5px}
.footer-col ul a:hover{color:var(--primary)}
.footer-meta{display:flex;flex-direction:column;gap:12px;color:var(--muted);font-size:14px}
.footer-meta .mono{color:var(--text)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.to-top{font-size:13px;color:var(--muted)}
.to-top:hover{color:var(--primary)}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .nav-menu a{padding:8px 10px;font-size:14px}
  .header-inner{gap:14px}
}
@media (max-width:1024px){
  .site-header{top:12px}
  .nav-toggle{display:inline-flex}
  .header-cta .btn{display:none}
  .nav-menu{
    position:fixed;inset:0;z-index:70;
    flex-direction:column;justify-content:center;align-items:stretch;
    gap:6px;margin:0;padding:96px 26px 40px;
    background:rgba(7,12,22,.97);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .26s ease,transform .26s ease,visibility .26s;
  }
  .nav-menu.is-open{opacity:1;visibility:visible;transform:none}
  .nav-menu a{font-size:18px;padding:14px 16px;text-align:center;width:100%}
  .nav-menu a.is-active::after{left:38%;right:38%;bottom:8px}
  .nav-menu .nav-cta{
    display:inline-flex;justify-content:center;
    margin-top:20px;padding:14px 20px;
    border-radius:var(--r-btn);
    background:var(--primary);color:#04140F;font-weight:700;font-size:16px;
  }
  .split{grid-template-columns:1fr;gap:36px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .tier-grid{grid-template-columns:1fr;gap:18px}
  .tier.is-featured{transform:none}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .cta-panel{grid-template-columns:1fr;gap:34px;padding:34px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .hero{padding:130px 0 66px}
  .section{padding:72px 0}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .brand-sub{display:none}
  .hero{padding:112px 0 56px}
  .hero::before{background-size:48px 48px}
  .stat-bar li{flex:1 1 100%;padding:14px 0;border-left:0!important;padding-left:0;border-bottom:1px solid var(--line)}
  .stat-bar li:last-child{border-bottom:0}
  .grid-3{grid-template-columns:1fr}
  .scene-list{grid-template-columns:1fr}
  .timeline::before{left:9px;transform:none}
  .tl-item{grid-template-columns:1fr;gap:0;padding-left:36px;padding-bottom:26px}
  .tl-item .tl-card,
  .tl-item:nth-child(even) .tl-card{grid-column:1;text-align:left}
  .tl-item::before{left:9px;top:24px;transform:translateX(-50%)}
  .faq-item p{padding-right:0}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .section{padding:56px 0}
  .sec-head{margin-bottom:32px}
}
@media (max-width:520px){
  .hero h1{font-size:30px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .card,.card-thumb .body,.tier{padding:22px 20px}
  .cta-panel{padding:26px 18px}
  .slash-divider{height:36px}
}

/* roulang page: category4 */
:root{
  --ink:#070C16;
  --ink-2:#0D1626;
  --ink-3:#111E33;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.022);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.20);
  --primary:#12E0B8;
  --primary-dim:rgba(18,224,184,.14);
  --primary-line:rgba(18,224,184,.45);
  --accent:#FF3B4E;
  --text:#EAF1FA;
  --muted:#9AA9BE;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --glow:0 0 0 1px rgba(18,224,184,.35),0 8px 28px rgba(18,224,184,.18);
  --shadow-card:0 18px 44px rgba(0,0,0,.35);
  --font:"Noto Sans SC",system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  letter-spacing:-0.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 480px at 12% -8%,rgba(18,224,184,.10),transparent 62%),
    radial-gradient(760px 420px at 96% 6%,rgba(255,59,78,.06),transparent 60%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;border-radius:12px}
a{color:inherit;text-decoration:none}
p{margin:0 0 1.1em}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.01em;line-height:1.25}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:1}
.muted{color:var(--muted)}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;box-shadow:0 0 0 6px rgba(18,224,184,.16)}

/* ---------- Header / Nav ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  padding:16px 0;
  transition:background .28s ease,border-color .28s ease,padding .28s ease,backdrop-filter .28s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  padding:10px 0;
  background:rgba(7,12,22,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;justify-content:space-between}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(18,224,184,.28),rgba(18,224,184,.06));
  border:1px solid var(--primary-line);
  color:var(--primary);
  font-weight:800;font-size:18px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.01em}
.brand-name em{font-style:normal;color:var(--primary)}
.brand-sub{font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:var(--muted);text-transform:uppercase}
.nav-menu{
  display:flex;align-items:center;gap:4px;
  padding:6px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:rgba(13,22,38,.55);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.nav-menu a{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  border-radius:var(--radius-pill);
  font-size:14px;
  color:var(--muted);
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-menu a.is-active{color:var(--text);font-weight:600;background:rgba(18,224,184,.10)}
.nav-menu a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--primary);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--primary-line);color:var(--primary)}
.nav-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(7,12,22,.97);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.nav-drawer.is-open{display:block}
.nav-drawer ul{padding:12px 24px 22px;display:flex;flex-direction:column;gap:2px}
.nav-drawer a{
  display:block;padding:14px 4px;font-size:18px;color:var(--muted);
  border-bottom:1px solid var(--line);
}
.nav-drawer a.is-active{color:var(--primary);font-weight:600}
.nav-drawer .drawer-cta{margin:18px 24px 24px;display:block}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn i{font-size:13px}
.btn-primary{background:var(--primary);color:#05170F;box-shadow:0 10px 26px rgba(18,224,184,.20)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--glow)}
.btn-primary:active{transform:translateY(0);opacity:.92}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--primary-line);color:var(--primary)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.6;cursor:not-allowed;box-shadow:none;transform:none}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:172px 0 84px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  opacity:.30;
  mask-image:linear-gradient(90deg,rgba(0,0,0,.25) 0%,rgba(0,0,0,.9) 48%,transparent 100%);
  -webkit-mask-image:linear-gradient(90deg,rgba(0,0,0,.25) 0%,rgba(0,0,0,.9) 48%,transparent 100%);
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(7,12,22,.92) 0%,rgba(7,12,22,.72) 46%,var(--ink) 100%),
    repeating-linear-gradient(135deg,rgba(255,255,255,.030) 0 1px,transparent 1px 12px);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 15px;border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);
  font-size:13px;color:var(--muted);
  margin-bottom:22px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px rgba(255,59,78,.8)}
.hero h1{font-size:clamp(30px,4vw,50px);line-height:1.16;margin-bottom:20px}
.hero h1 span{color:var(--primary)}
.hero-sub{font-size:17px;color:var(--muted);max-width:600px;margin-bottom:30px;line-height:1.85}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);
  padding-top:22px;
}
.hero-stats .stat{padding-right:20px;border-right:1px solid var(--line)}
.hero-stats .stat:last-child{border-right:0}
.stat-num{font-family:var(--mono);font-size:26px;font-weight:600;color:var(--primary);display:block;line-height:1.3}
.stat-label{font-size:13px;color:var(--muted)}
.hero-visual{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--panel);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  padding:16px;
}
.hero-visual img{aspect-ratio:16/10;object-fit:cover;width:100%}
.hero-visual .visual-bar{
  display:flex;justify-content:space-between;align-items:center;
  margin-top:14px;font-size:13px;color:var(--muted);
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  font-size:12px;color:var(--muted);
}
.chip.is-live{color:var(--primary);border-color:var(--primary-line);background:var(--primary-dim)}

/* ---------- Sections ---------- */
.section{padding:92px 0;position:relative}
.section + .section{border-top:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-tag{
  display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:.2em;
  color:var(--primary);text-transform:uppercase;margin-bottom:12px;
}
.section-title{font-size:clamp(24px,2.6vw,32px);margin-bottom:14px}
.section-desc{color:var(--muted);font-size:15.5px;margin:0}

/* ---------- Compare ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.compare-col{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--panel);
  padding:26px 22px 24px;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.compare-col:hover{border-color:var(--primary-line);transform:translateY(-3px)}
.compare-col.is-featured{
  border-color:var(--primary-line);
  background:linear-gradient(180deg,rgba(18,224,184,.09),rgba(255,255,255,.02));
  transform:translateY(-8px);
  box-shadow:var(--shadow-card);
}
.compare-col.is-featured:hover{transform:translateY(-11px)}
.col-badge{
  position:absolute;top:-12px;left:22px;
  padding:3px 12px;border-radius:var(--radius-pill);
  background:var(--accent);color:#fff;font-size:12px;font-weight:600;letter-spacing:.04em;
}
.col-head h3{font-size:20px;margin-bottom:6px}
.col-head p{font-size:13.5px;color:var(--muted);margin:0}
.col-price{
  font-family:var(--mono);font-size:28px;font-weight:600;color:var(--primary);
  padding:18px 0 16px;margin:16px 0 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.col-price small{display:block;font-size:12.5px;color:var(--muted);font-family:var(--font);font-weight:400;margin-top:4px}
.feature-list{margin:18px 0 24px;display:flex;flex-direction:column;gap:11px}
.feature-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text);line-height:1.6}
.feature-list li i{color:var(--primary);font-size:12px;margin-top:7px;flex-shrink:0}
.feature-list li.is-off{color:var(--muted)}
.feature-list li.is-off i{color:rgba(255,255,255,.28)}
.compare-note{margin-top:26px;font-size:13.5px;color:var(--muted);display:flex;gap:10px;align-items:flex-start}
.compare-note i{color:var(--primary);margin-top:6px}

/* ---------- Steps ---------- */
.steps{position:relative;padding-left:32px}
.steps::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:1px;background:var(--line)}
.step{position:relative;padding:0 0 30px}
.step:last-child{padding-bottom:0}
.step-dot{
  position:absolute;left:-32px;top:7px;
  width:15px;height:15px;border-radius:50%;
  border:1px solid var(--primary-line);
  background:var(--ink);
}
.step.is-current .step-dot{background:var(--primary);box-shadow:0 0 0 5px rgba(18,224,184,.14),0 0 16px rgba(18,224,184,.6)}
.step-time{font-family:var(--mono);font-size:13px;color:var(--primary);letter-spacing:.06em;display:block;margin-bottom:5px}
.step h3{font-size:18px;margin-bottom:7px}
.step p{margin:0;color:var(--muted);font-size:14.5px;max-width:720px}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}

/* ---------- Cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.info-card{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--panel);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.info-card:hover{border-color:var(--primary-line);transform:translateY(-4px);box-shadow:var(--shadow-card)}
.card-media{position:relative;overflow:hidden;background:var(--ink-3)}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;transition:transform .4s ease}
.info-card:hover .card-media img{transform:scale(1.03)}
.card-media .badge{
  position:absolute;left:12px;top:12px;
  padding:4px 11px;border-radius:var(--radius-pill);
  background:rgba(7,12,22,.78);
  border:1px solid var(--line-strong);
  color:var(--primary);font-size:12px;
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17.5px;line-height:1.45}
.card-body p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.75}
.card-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--muted);font-family:var(--mono);
}
.card-meta .card-link{color:var(--primary);font-family:var(--font);display:inline-flex;align-items:center;gap:6px}
.card-meta .card-link i{font-size:11px;transition:transform .2s ease}
.info-card:hover .card-meta .card-link i{transform:translateX(3px)}

/* ---------- Rate panel ---------- */
.rate-panel{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--panel);
  overflow:hidden;
}
.rate-row{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;
  gap:16px;align-items:center;
  padding:18px 24px;
  border-bottom:1px solid var(--line);
  font-size:14.5px;
  transition:background .2s ease;
}
.rate-row:last-child{border-bottom:0}
.rate-row:hover{background:rgba(255,255,255,.03)}
.rate-row.is-head{
  background:rgba(255,255,255,.035);
  font-family:var(--mono);font-size:12.5px;letter-spacing:.12em;color:var(--muted);
  text-transform:uppercase;
}
.rate-row .mono{color:var(--primary)}
.rate-row.is-head .mono{color:var(--muted)}
.rate-name{font-weight:600}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:44px;align-items:start}
.faq-side h2{font-size:clamp(24px,2.6vw,30px);margin-bottom:14px}
.faq-side p{color:var(--muted);font-size:14.5px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 4px;
  font-size:16.5px;font-weight:600;
  cursor:pointer;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-item summary::after{
  content:"";width:8px;height:8px;flex-shrink:0;
  border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);
  transform:rotate(45deg);transition:transform .25s ease;margin-right:6px;
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item .faq-answer{padding:0 4px 22px;color:var(--muted);font-size:15px;max-width:760px}

/* ---------- CTA form ---------- */
.cta-panel{
  display:grid;grid-template-columns:5fr 7fr;gap:48px;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:linear-gradient(150deg,rgba(18,224,184,.07),rgba(255,255,255,.02) 55%);
  padding:44px;
  position:relative;
  overflow:hidden;
}
.cta-panel::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
  background:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px);
  pointer-events:none;
}
.cta-copy h2{font-size:clamp(23px,2.4vw,30px);margin-bottom:16px}
.cta-copy p{color:var(--muted);font-size:15px}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.cta-points li{display:flex;gap:10px;font-size:14.5px;color:var(--text)}
.cta-points li i{color:var(--primary);margin-top:6px;font-size:12px}
.cta-form{display:grid;grid-template-columns:1fr 1fr;gap:18px;position:relative;z-index:1}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:13.5px;color:var(--muted)}
.field label .req{color:var(--accent);margin-left:3px}
.field input,.field select,.field textarea{
  width:100%;
  padding:13px 14px;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text);
  font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{resize:vertical;min-height:96px}
.field input::placeholder,.field textarea::placeholder{color:rgba(154,169,190,.7)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(18,224,184,.16);
  background:rgba(255,255,255,.05);
}
.field select option{background:var(--ink-2);color:var(--text)}
.form-foot{grid-column:1 / -1;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.form-hint{font-size:13px;color:var(--muted)}
.form-msg{grid-column:1 / -1;font-size:13.5px;display:none}
.form-msg.is-ok{display:block;color:var(--primary)}
.form-msg.is-error{display:block;color:var(--accent)}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--ink-2);
  padding:64px 0 26px;
  margin-top:20px;
  position:relative;
  z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand p{color:var(--muted);font-size:14px;margin:18px 0 0;max-width:360px}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:var(--text);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col ul a{color:var(--muted);font-size:14px;transition:color .2s ease,padding-left .2s ease}
.footer-col ul a:hover{color:var(--primary);padding-left:4px}
.footer-meta{display:flex;flex-direction:column;gap:11px;font-size:14px;color:var(--muted)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.to-top{color:var(--muted);transition:color .2s ease}
.to-top:hover{color:var(--primary)}

/* ---------- Responsive ---------- */
@media (max-width:1280px){
  .nav-menu a{padding:8px 11px;font-size:13.5px}
}
@media (max-width:1024px){
  .nav-menu{display:none}
  .nav-toggle{display:grid;place-items:center}
  .header-actions .btn-sm{display:none}
  .hero{padding:150px 0 70px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero::before{mask-image:linear-gradient(180deg,rgba(0,0,0,.8),transparent);-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.8),transparent)}
  .compare-grid{grid-template-columns:1fr 1fr}
  .compare-col.is-featured{transform:none}
  .compare-col.is-featured:hover{transform:translateY(-3px)}
  .card-grid{grid-template-columns:1fr 1fr}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .cta-panel{grid-template-columns:1fr;gap:32px;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .rate-row{grid-template-columns:1.2fr 1fr 1fr;row-gap:6px}
  .rate-row .rate-time{grid-column:3}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:58px 0}
  .hero{padding:126px 0 54px}
  .hero-stats{grid-template-columns:1fr;gap:0}
  .hero-stats .stat{border-right:0;border-bottom:1px solid var(--line);padding:14px 0}
  .hero-stats .stat:last-child{border-bottom:0}
  .compare-grid{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .cta-form{grid-template-columns:1fr}
  .cta-panel{padding:26px 20px}
  .rate-panel{background:transparent;border:0}
  .rate-row{
    grid-template-columns:1fr;gap:6px;
    border:1px solid var(--line);border-radius:12px;
    padding:16px;margin-bottom:14px;background:var(--panel);
  }
  .rate-row.is-head{display:none}
  .rate-row .rate-time{grid-column:auto}
  .rate-row span::before{color:var(--muted);font-size:12px;display:block;font-family:var(--mono)}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .brand-sub{display:none}
}
@media (max-width:560px){
  .hero h1{font-size:30px}
  .hero-sub{font-size:15.5px}
  .hero-cta .btn{width:100%}
  .stat-num{font-size:22px}
  .section-title{font-size:23px}
  .faq-item summary{font-size:15.5px}
}

/* roulang page: category5 */
:root{
  --ink:#070C16;
  --ink-2:#0D1626;
  --panel:rgba(255,255,255,.045);
  --panel-strong:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --primary:#12E0B8;
  --primary-dim:rgba(18,224,184,.14);
  --accent:#FF3B4E;
  --text:#EAF1FA;
  --muted:#9AA9BE;
  --glow:0 0 0 1px rgba(18,224,184,.35), 0 8px 28px rgba(18,224,184,.18);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --radius-img:12px;
  --max:1200px;
  --mono:"JetBrains Mono","Noto Sans SC",ui-monospace,monospace;
  --sans:"Noto Sans SC",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 82% -10%, rgba(18,224,184,.10), transparent 60%),
    radial-gradient(900px 520px at -10% 20%, rgba(255,59,78,.07), transparent 62%),
    var(--ink);
  letter-spacing:.005em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:800;line-height:1.28;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;box-shadow:0 0 0 4px rgba(18,224,184,.22);border-radius:6px;}
.mono,.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:0;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  padding:16px 0;
  transition:background .28s ease, padding .28s ease, border-color .28s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(7,12,22,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
  padding:10px 0;
}
.header-inner{display:flex;align-items:center;gap:20px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:linear-gradient(150deg,rgba(18,224,184,.22),rgba(18,224,184,.04));
  border:1px solid rgba(18,224,184,.42);
  color:var(--primary);font-weight:800;font-size:19px;
  box-shadow:0 0 18px rgba(18,224,184,.16);
}
.brand-text{display:flex;flex-direction:column;line-height:1.18;}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em;}
.brand-name em{font-style:normal;color:var(--primary);}
.brand-sub{font-family:var(--mono);font-size:10px;color:var(--muted);letter-spacing:.16em;}
.nav-menu{
  margin-left:auto;
  display:flex;align-items:center;gap:4px;
  padding:6px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.03);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.nav-menu a{
  position:relative;
  display:block;
  padding:8px 14px;
  font-size:14px;font-weight:500;color:var(--muted);
  border-radius:var(--radius-pill);
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-menu a:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-menu a.is-active{color:var(--text);font-weight:700;background:rgba(18,224,184,.10);}
.nav-menu a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;box-shadow:0 0 10px rgba(18,224,184,.7);
}
.header-actions{display:flex;align-items:center;gap:10px;}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;
  font-size:14px;font-weight:700;
  color:#04120E;background:var(--primary);
  border-radius:var(--radius-btn);
  box-shadow:0 6px 20px rgba(18,224,184,.24);
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:var(--glow);}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);border-radius:11px;
  color:var(--text);cursor:pointer;
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:rgba(18,224,184,.5);color:var(--primary);}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:168px 0 88px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.85), transparent 78%);
  -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.85), transparent 78%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;top:-40px;left:50%;
  width:140%;height:340px;
  background:linear-gradient(100deg, rgba(18,224,184,.14), transparent 58%);
  transform:skewY(-7deg);
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;
  gap:56px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:6px 14px;
  font-size:12.5px;font-weight:600;color:var(--primary);
  border:1px solid rgba(18,224,184,.32);
  background:rgba(18,224,184,.07);
  border-radius:var(--radius-pill);
  letter-spacing:.02em;
}
.eyebrow i{font-size:11px;}
.hero h1{
  margin-top:22px;
  font-size:clamp(30px,4vw,52px);
  line-height:1.2;
}
.hero h1 span{color:var(--primary);}
.hero-lead{
  margin-top:20px;
  max-width:600px;
  font-size:16.5px;color:var(--muted);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;
  font-size:15px;font-weight:700;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{color:#04120E;background:var(--primary);box-shadow:0 8px 26px rgba(18,224,184,.22);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--glow);}
.btn-ghost{color:var(--text);background:transparent;border-color:var(--line-strong);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);}
.btn:disabled,.btn.is-disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);
  margin-top:46px;
  border-top:1px solid var(--line);
  padding-top:22px;
  gap:18px;
}
.stat{position:relative;padding-right:18px;}
.stat + .stat{padding-left:18px;border-left:1px solid var(--line);}
.stat b{display:block;font-family:var(--mono);font-size:26px;font-weight:600;color:var(--primary);letter-spacing:0;}
.stat span{display:block;margin-top:4px;font-size:13px;color:var(--muted);line-height:1.6;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border:1px solid var(--line);
  box-shadow:0 30px 70px rgba(0,0,0,.5);
  mask-image:linear-gradient(90deg,#000 62%,transparent 100%);
  -webkit-mask-image:linear-gradient(90deg,#000 62%,transparent 100%);
}
.hero-badge{
  position:absolute;left:22px;bottom:22px;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;
  font-size:12.5px;font-weight:600;
  background:rgba(7,12,22,.82);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary);}
.dot-red{background:var(--accent);box-shadow:0 0 10px var(--accent);}

/* ---------- sections ---------- */
.section{padding:96px 0;position:relative;}
.section-alt{background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:clamp(24px,2.4vw,32px);margin-top:14px;}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;}
.eyebrow-line{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:12px;color:var(--primary);letter-spacing:.14em;
}
.eyebrow-line::before{content:"";width:26px;height:1px;background:var(--primary);opacity:.7;}

/* ---------- quick help cards ---------- */
.help-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.help-card{
  padding:26px 22px;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--panel);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  transition:border-color .24s ease,transform .24s ease,background .24s ease;
}
.help-card:hover{border-color:rgba(18,224,184,.45);transform:translateY(-3px);background:var(--panel-strong);}
.help-card i.ico{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:11px;
  background:rgba(18,224,184,.10);
  border:1px solid rgba(18,224,184,.28);
  color:var(--primary);font-size:17px;
}
.help-card h3{margin-top:18px;font-size:17px;}
.help-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.75;}
.help-card .link{
  display:inline-flex;align-items:center;gap:7px;
  margin-top:16px;font-size:13.5px;font-weight:600;color:var(--primary);
}
.help-card .link i{font-size:11px;transition:transform .2s ease;}
.help-card:hover .link i{transform:translateX(3px);}

/* ---------- faq ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-aside h2{font-size:clamp(23px,2.2vw,30px);}
.faq-aside p{margin-top:16px;color:var(--muted);font-size:15px;}
.faq-aside .aside-note{
  margin-top:26px;padding:18px 20px;
  border-left:3px solid var(--primary);
  background:rgba(18,224,184,.055);
  border-radius:0 var(--radius-card) var(--radius-card) 0;
  font-size:14px;color:var(--muted);
}
.faq-aside .aside-note b{color:var(--text);font-family:var(--mono);}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:center;gap:16px;
  padding:22px 4px;
  cursor:pointer;list-style:none;
  font-size:16.5px;font-weight:700;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-item summary .qno{
  font-family:var(--mono);font-size:13px;color:var(--primary);
  flex:0 0 auto;
}
.faq-item summary .chev{
  margin-left:auto;color:var(--muted);font-size:13px;
  transition:transform .26s ease,color .26s ease;
}
.faq-item[open] summary{color:var(--primary);}
.faq-item[open] summary .chev{transform:rotate(180deg);color:var(--primary);}
.faq-body{padding:0 4px 26px 42px;color:var(--muted);font-size:15px;line-height:1.9;}
.faq-body b{color:var(--text);}

/* ---------- scenario cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.scene-card{
  display:flex;gap:18px;
  padding:24px;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--panel);
  transition:border-color .24s ease,background .24s ease,transform .24s ease;
}
.scene-card:hover{border-color:rgba(18,224,184,.45);background:var(--panel-strong);transform:translateY(-2px);}
.scene-icon{
  flex:0 0 46px;width:46px;height:46px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(18,224,184,.09);
  border:1px solid rgba(18,224,184,.26);
  color:var(--primary);font-size:17px;
}
.scene-body h3{font-size:16.5px;}
.scene-body p{margin-top:9px;font-size:14px;color:var(--muted);line-height:1.78;}
.scene-meta{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  margin-top:14px;
}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 11px;
  font-size:12px;font-weight:600;
  border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);
  color:var(--muted);
}
.tag-hot{border-color:rgba(255,59,78,.45);color:var(--accent);background:rgba(255,59,78,.08);}
.tag-ok{border-color:rgba(18,224,184,.38);color:var(--primary);background:rgba(18,224,184,.07);}
.scene-meta .time{font-family:var(--mono);font-size:12.5px;color:var(--muted);}

/* ---------- flow timeline ---------- */
.flow{position:relative;padding-left:34px;}
.flow::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,rgba(18,224,184,.6),rgba(18,224,184,.08));
}
.flow-step{position:relative;padding:0 0 34px 0;}
.flow-step:last-child{padding-bottom:0;}
.flow-step::before{
  content:"";position:absolute;left:-34px;top:6px;
  width:19px;height:19px;border-radius:50%;
  background:var(--ink);
  border:2px solid var(--primary);
}
.flow-step.is-current::before{background:var(--primary);box-shadow:0 0 14px rgba(18,224,184,.75);}
.flow-step .times{
  font-family:var(--mono);font-size:12.5px;color:var(--primary);letter-spacing:.06em;
}
.flow-step h3{margin-top:8px;font-size:17.5px;}
.flow-step p{margin-top:9px;font-size:14.5px;color:var(--muted);max-width:640px;}
.flow-wrap{
  display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;
}
.flow-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border:1px solid var(--line);
  box-shadow:0 24px 60px rgba(0,0,0,.45);
}
.flow-visual figcaption{margin-top:12px;font-size:13px;color:var(--muted);}

/* ---------- cta form ---------- */
.cta-panel{
  border:1px solid var(--line);
  border-radius:18px;
  background:
    linear-gradient(135deg, rgba(18,224,184,.07), transparent 46%),
    var(--ink-2);
  padding:52px;
  display:grid;grid-template-columns:1fr 1fr;gap:56px;
  align-items:start;
}
.cta-panel h2{font-size:clamp(24px,2.3vw,31px);}
.cta-panel .cta-copy p{margin-top:16px;color:var(--muted);font-size:15px;}
.cta-points{margin-top:26px;display:grid;gap:12px;}
.cta-points li{display:flex;gap:11px;font-size:14.5px;color:var(--muted);}
.cta-points i{color:var(--primary);margin-top:6px;font-size:12px;}
.form-grid{display:grid;gap:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:8px;color:var(--text);}
.field .req{color:var(--accent);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;
  padding:12px 14px;
  background:rgba(255,255,255,.025);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-btn);
  color:var(--text);
  transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.field input::placeholder,.field textarea::placeholder{color:rgba(154,169,190,.72);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(18,224,184,.16);
  background:rgba(255,255,255,.04);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) 20px,calc(100% - 13px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.field textarea{min-height:104px;resize:vertical;}
.form-note{font-size:12.5px;color:var(--muted);}
.form-msg{display:none;padding:12px 14px;border-radius:var(--radius-btn);font-size:13.5px;}
.form-msg.is-ok{display:block;border:1px solid rgba(18,224,184,.4);background:rgba(18,224,184,.08);color:var(--primary);}
.form-msg.is-err{display:block;border:1px solid rgba(255,59,78,.45);background:rgba(255,59,78,.08);color:#FF8A94;}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--ink);
  padding:66px 0 26px;
  margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:44px;
}
.footer-brand .brand{margin-bottom:20px;}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.85;max-width:360px;}
.footer-col h4{font-size:14px;letter-spacing:.02em;color:var(--text);margin-bottom:18px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:var(--muted);transition:color .2s ease;}
.footer-col a:hover{color:var(--primary);}
.footer-meta{display:grid;gap:11px;font-size:13.5px;color:var(--muted);}
.footer-meta .mono{color:var(--text);}
.footer-bottom{
  margin-top:52px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--muted);
}
.to-top{color:var(--muted);transition:color .2s ease;}
.to-top:hover{color:var(--primary);}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .help-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1024px){
  .hero{padding:144px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual img{mask-image:none;-webkit-mask-image:none;}
  .faq-layout{grid-template-columns:1fr;gap:34px;}
  .flow-wrap{grid-template-columns:1fr;gap:40px;}
  .cta-panel{grid-template-columns:1fr;padding:40px;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .nav-menu a{padding:8px 11px;font-size:13.5px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .hero{padding:120px 0 56px;}
  .hero h1{font-size:30px;}
  .hero-stats{grid-template-columns:1fr;gap:14px;padding-top:18px;}
  .stat{padding:0 0 14px 0;border-left:0 !important;border-bottom:1px solid var(--line);}
  .stat:last-child{border-bottom:0;padding-bottom:0;}
  .help-grid{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .nav-toggle{display:inline-flex;}
  .nav-menu{
    position:fixed;inset:0;
    margin:0;padding:96px 24px 40px;
    flex-direction:column;align-items:stretch;gap:6px;
    background:rgba(7,12,22,.97);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border:0;border-radius:0;
    transform:translateY(-12px);
    opacity:0;visibility:hidden;
    transition:opacity .26s ease,transform .26s ease,visibility .26s ease;
    overflow-y:auto;
  }
  body.nav-open .nav-menu{opacity:1;visibility:visible;transform:translateY(0);}
  .nav-menu a{font-size:18px;padding:14px 16px;border-radius:12px;color:var(--text);}
  .nav-menu a.is-active::after{display:none;}
  .nav-menu a.is-active{background:rgba(18,224,184,.12);}
  .header-actions .nav-cta{display:none;padding:10px 16px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-panel{padding:28px;}
  .faq-body{padding-left:4px;}
  .flow{padding-left:28px;}
  .flow-step::before{left:-28px;}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%;}
  .brand-sub{letter-spacing:.1em;}
  .scene-card{flex-direction:column;gap:14px;}
  .stat b{font-size:23px;}
}