/* roulang page: index */
:root{
  --bg:#0A0E12;
  --bg-2:#0F151B;
  --bg-3:#0B1016;
  --card:#131C25;
  --line:rgba(0,230,168,.16);
  --line-2:rgba(0,230,168,.22);
  --line-strong:rgba(0,230,168,.38);
  --neon:#00E6A8;
  --neon-2:#5CFFCB;
  --lava:#FF6B2C;
  --magenta:#FF3D8B;
  --text:#EAF2F0;
  --muted:#9BB0AD;
  --dim:#6F8380;
  --glow:rgba(0,230,168,.35);
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
  --shadow-hover:0 0 0 1px rgba(0,230,168,.18),0 12px 32px rgba(0,0,0,.45);
  --section:88px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--neon);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--neon-2)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.28;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1400px){.container{max-width:1280px}}
.section{padding:var(--section) 0;position:relative}
.section-head{max-width:720px;margin-bottom:44px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--neon);font-weight:700;margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--neon);box-shadow:0 0 10px var(--glow)}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:700;margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16px}
.text-neon{color:var(--neon)}
.muted{color:var(--muted)}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:linear-gradient(180deg,#0A0E12 0%,#0F151B 100%);
  border-bottom:1px solid rgba(0,230,168,.22);
  backdrop-filter:blur(10px);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex-shrink:0}
.brand:hover{color:var(--text)}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(140deg,rgba(0,230,168,.20),rgba(255,107,44,.12));
  border:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 14px rgba(0,230,168,.18) inset;
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--neon)}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{
  position:relative;
  padding:10px 14px;border-radius:10px;
  color:var(--muted);font-size:15px;font-weight:500;
  transition:background .2s ease,color .2s ease;
  white-space:nowrap;
}
.main-nav a:hover{background:rgba(0,230,168,.08);color:var(--text)}
.main-nav a.active{color:var(--text);font-weight:600}
.main-nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--neon);box-shadow:0 0 10px var(--neon);
}
.main-nav a.active::before{
  content:"";position:absolute;top:5px;right:8px;width:5px;height:5px;border-radius:50%;
  background:var(--neon);box-shadow:0 0 8px var(--neon);
}
.header-actions{display:flex;align-items:center;gap:12px}
.btn-neon{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--neon);color:#06110D;font-weight:700;font-size:15px;
  border:none;border-radius:999px;padding:12px 22px;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease;
}
.btn-neon:hover{background:#22FFC0;color:#06110D;transform:translateY(-2px);box-shadow:0 0 22px var(--glow)}
.btn-neon:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--neon);font-weight:600;font-size:15px;
  border:1px solid rgba(0,230,168,.5);border-radius:999px;padding:11px 22px;cursor:pointer;
  transition:background .22s ease,transform .22s ease,color .22s ease,box-shadow .22s ease;
}
.btn-ghost:hover{background:rgba(0,230,168,.08);color:var(--neon-2);transform:translateY(-2px);box-shadow:0 0 18px rgba(0,230,168,.18)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;background:transparent;
  border:1px solid var(--line-2);color:var(--text);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:rgba(0,230,168,.08);border-color:var(--line-strong)}
.mobile-panel{display:none;background:var(--bg-3);border-top:1px solid rgba(0,230,168,.14);padding:8px 0 20px}
.mobile-panel.open{display:block}
.mobile-panel a{
  display:block;padding:14px 4px;font-size:16px;color:var(--text);
  border-bottom:1px solid rgba(0,230,168,.10);
}
.mobile-panel a:hover{color:var(--neon)}
.mobile-panel a.active{color:var(--neon);font-weight:600}
.mobile-panel .mp-cta{margin-top:18px}

/* ============ Hero ============ */
.hero{position:relative;padding:96px 0 84px;overflow:hidden;background:var(--bg)}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(10,14,18,.96) 0%,rgba(10,14,18,.80) 42%,rgba(10,14,18,.90) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(0,230,168,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
}
.hero .container{position:relative;z-index:2}
.hero h1{
  font-size:clamp(30px,4.4vw,46px);
  font-weight:800;line-height:1.22;margin-bottom:20px;
}
.hero h1 span{color:var(--neon);text-shadow:0 0 26px rgba(0,230,168,.28)}
.hero-lead{font-size:17px;color:var(--muted);max-width:540px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px}
.mini-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:rgba(0,230,168,.06);border:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.mini-badge i{color:var(--neon);font-size:12px}
.hero-visual{position:relative}
.visual-card{
  position:relative;border-radius:20px;overflow:hidden;
  border:1px solid var(--line-2);background:var(--card);
  box-shadow:0 24px 60px rgba(0,0,0,.55);
}
.visual-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.visual-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,14,18,0) 42%,rgba(10,14,18,.78) 100%);
}
.float-chip{
  position:absolute;z-index:3;
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:12px;
  background:rgba(11,16,22,.92);border:1px solid var(--line-2);
  font-size:13px;color:var(--text);backdrop-filter:blur(6px);
  box-shadow:0 10px 26px rgba(0,0,0,.45);
}
.float-chip .dot{width:7px;height:7px;border-radius:50%;background:var(--neon);box-shadow:0 0 10px var(--neon)}
.float-chip strong{color:var(--neon);font-weight:800}
.chip-a{top:18px;left:18px}
.chip-b{bottom:18px;right:18px}
.hero-strip{
  position:relative;z-index:2;
  margin-top:64px;padding:22px 0 0;
  border-top:1px solid rgba(0,230,168,.14);
  display:flex;flex-wrap:wrap;gap:36px;
}
.strip-item{display:flex;flex-direction:column;gap:2px;min-width:140px}
.strip-item b{font-size:22px;font-weight:800;color:var(--neon);letter-spacing:-.02em}
.strip-item span{font-size:13px;color:var(--dim)}

/* ============ 三步上手 ============ */
.steps{background:linear-gradient(180deg,#0A0E12,#0D1218 60%,#0A0E12)}
.steps-track{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative}
.steps-track::before{
  content:"";position:absolute;top:58px;left:8%;right:8%;height:2px;
  background:linear-gradient(90deg,rgba(0,230,168,0),rgba(0,230,168,.55),rgba(0,230,168,.55),rgba(0,230,168,0));
  box-shadow:0 0 14px rgba(0,230,168,.35);z-index:0;
}
.step-card{
  position:relative;z-index:1;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px 26px;box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.step-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.step-card.offset{transform:translateY(24px)}
.step-card.offset:hover{transform:translateY(20px)}
.step-num{
  display:block;font-size:44px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px rgba(0,230,168,.55);
  margin-bottom:18px;letter-spacing:-.04em;
}
.step-icon{
  width:44px;height:44px;border-radius:13px;margin-bottom:16px;
  display:flex;align-items:center;justify-content:center;font-size:18px;
  background:rgba(0,230,168,.10);border:1px solid var(--line-2);color:var(--neon);
}
.step-card h3{font-size:20px;font-weight:600;margin-bottom:10px}
.step-card p{color:var(--muted);font-size:15px}

/* ============ 数据条 ============ */
.metrics{background:var(--bg-2);border-top:1px solid rgba(0,230,168,.12);border-bottom:1px solid rgba(0,230,168,.12)}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric-cell{padding:6px 0}
.metric-cell b{display:block;font-size:28px;font-weight:800;color:var(--text);letter-spacing:-.03em;margin-bottom:6px}
.metric-cell b i{font-style:normal;color:var(--neon)}
.metric-cell span{font-size:14px;color:var(--dim)}

/* ============ 案例证明 ============ */
.proof-grid{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:start}
.kpi-stack{display:grid;gap:24px}
.kpi-card{
  background:linear-gradient(160deg,rgba(0,230,168,.10),rgba(19,28,37,.95) 58%);
  border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;
  box-shadow:var(--shadow);transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.kpi-card:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.kpi-num{font-size:40px;font-weight:800;color:var(--neon);line-height:1;letter-spacing:-.04em;display:block}
.kpi-num small{font-size:16px;font-weight:600;color:var(--text);margin-left:6px;letter-spacing:0}
.kpi-card p{margin-top:12px;color:var(--muted);font-size:15px}
.case-list{display:grid;gap:24px}
.case-card{
  display:grid;grid-template-columns:200px 1fr;gap:20px;align-items:stretch;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.case-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.case-thumb{position:relative;overflow:hidden}
.case-thumb img{width:100%;height:100%;min-height:170px;object-fit:cover}
.badge-tag{
  position:absolute;top:12px;left:12px;z-index:2;
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;
  background:rgba(11,16,22,.88);border:1px solid var(--line-2);color:var(--neon);
  backdrop-filter:blur(6px);
}
.badge-tag.tag-lava{color:var(--lava);border-color:rgba(255,107,44,.4)}
.badge-tag.tag-magenta{color:var(--magenta);border-color:rgba(255,61,139,.4)}
.case-body{padding:22px 22px 22px 0;display:flex;flex-direction:column;gap:10px}
.case-body h3{font-size:19px;font-weight:600;line-height:1.42}
.case-body p{color:var(--muted);font-size:14.5px}
.badge-soft{
  align-self:flex-start;margin-top:auto;
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;font-size:13px;
  background:rgba(0,230,168,.08);border:1px solid var(--line);color:var(--neon);
}

/* ============ FAQ ============ */
.faq-section{background:linear-gradient(180deg,#0A0E12,#0D1218 70%,#0A0E12)}
.faq-wrap{max-width:820px;margin:0 auto}
.faq-list{display:grid;gap:14px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.open{border-color:var(--line-strong);box-shadow:0 0 0 1px rgba(0,230,168,.14),0 10px 28px rgba(0,0,0,.4)}
.faq-q{
  width:100%;min-height:60px;padding:16px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:none;cursor:pointer;text-align:left;
  color:var(--text);font-size:16px;font-weight:600;line-height:1.5;
}
.faq-q:hover{color:var(--neon)}
.faq-icon{position:relative;width:18px;height:18px;flex-shrink:0}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--neon);border-radius:2px;
  transition:transform .28s ease,opacity .28s ease;
  box-shadow:0 0 8px rgba(0,230,168,.5);
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{
  max-height:0;overflow:hidden;
  padding-left:20px;border-left:2px solid transparent;
  transition:max-height .35s ease,border-color .3s ease;
  margin-left:20px;margin-right:20px;
}
.faq-item.open .faq-a{max-height:340px;border-left-color:var(--neon)}
.faq-a p{padding:0 0 20px;color:var(--muted);font-size:15px}
.faq-more{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  margin-bottom:26px;padding:16px 20px;border-radius:var(--radius-sm);
  background:rgba(0,230,168,.05);border:1px solid var(--line);
}
.faq-more span{font-size:15px;color:var(--muted)}

/* ============ 最新信息 ============ */
.news{background:var(--bg-2);border-top:1px solid rgba(0,230,168,.12)}
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);height:100%;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.news-grid .news-card:first-child{grid-column:span 2}
.news-link{display:flex;flex-direction:column;height:100%;color:var(--text)}
.news-link:hover{color:var(--text)}
.news-thumb{position:relative;overflow:hidden}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-grid .news-card:first-child .news-thumb img{aspect-ratio:16/7}
.news-thumb .badge-tag{position:absolute;top:12px;left:12px}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:17.5px;font-weight:600;line-height:1.48;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{color:var(--muted);font-size:14.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px dashed rgba(0,230,168,.16);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--dim);
}
.read-more{color:var(--neon);font-weight:600}
.read-more:hover{color:var(--neon-2)}
.news-empty{
  text-align:center;padding:56px 24px;border-radius:var(--radius);
  background:var(--card);border:1px dashed var(--line-2);
}
.news-empty i{font-size:30px;color:var(--neon);opacity:.75}
.news-empty h3{font-size:19px;margin:16px 0 8px;font-weight:600}
.news-empty p{color:var(--muted);margin-bottom:20px}

/* ============ 立即开通 ============ */
.apply{position:relative;overflow:hidden;background:var(--bg)}
.apply-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(10,14,18,.96) 0%,rgba(10,14,18,.86) 55%,rgba(10,14,18,.94) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.apply-bg::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(0,230,168,.10) 1px,transparent 1px),linear-gradient(0deg,rgba(0,230,168,.10) 1px,transparent 1px);
  background-size:64px 64px;opacity:.6;
  mask-image:linear-gradient(120deg,#000,transparent 78%);
  -webkit-mask-image:linear-gradient(120deg,#000,transparent 78%);
}
.apply .container{position:relative;z-index:2}
.apply-grid{display:grid;grid-template-columns:1fr 460px;gap:48px;align-items:start}
.apply-copy h2{font-size:clamp(24px,3vw,32px);font-weight:700;margin-bottom:16px}
.apply-copy>p{color:var(--muted);margin-bottom:26px;max-width:520px}
.apply-points{display:grid;gap:14px}
.apply-points li{display:flex;gap:12px;align-items:flex-start;color:var(--muted);font-size:15px}
.apply-points i{color:var(--neon);margin-top:6px;font-size:13px}
.form-card{
  background:rgba(19,28,37,.94);border:1px solid var(--line-2);border-radius:20px;
  padding:28px;box-shadow:0 20px 50px rgba(0,0,0,.5);
  backdrop-filter:blur(8px);
}
.form-card h3{font-size:20px;font-weight:600;margin-bottom:6px}
.form-card .form-sub{color:var(--dim);font-size:14px;margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;color:var(--muted);margin-bottom:8px;font-weight:500}
.field input,.field select,.field textarea{
  width:100%;background:var(--bg-2);color:var(--text);
  border:1px solid var(--line-2);border-radius:var(--radius-sm);
  padding:12px 14px;font-size:15px;font-family:inherit;line-height:1.5;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder,.field textarea::placeholder{color:var(--dim)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--neon);box-shadow:0 0 0 3px rgba(0,230,168,.16);
}
.field select option{background:var(--bg-2);color:var(--text)}
.field textarea{resize:vertical;min-height:88px}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:var(--magenta);box-shadow:0 0 0 3px rgba(255,61,139,.16)}
.form-tip{font-size:13px;color:var(--dim);margin-top:12px}
.form-msg{
  margin-top:14px;font-size:14px;border-radius:var(--radius-sm);
  padding:0;max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;
}
.form-msg.show{max-height:120px;padding:12px 14px}
.form-msg.ok{background:rgba(0,230,168,.10);border:1px solid var(--line-strong);color:var(--neon)}
.form-msg.err{background:rgba(255,61,139,.10);border:1px solid rgba(255,61,139,.4);color:#FF8DB6}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-3);border-top:1px solid rgba(0,230,168,.16);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{color:var(--muted);font-size:14.5px;max-width:340px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px;color:var(--text)}
.footer-col li{margin-bottom:11px}
.footer-col a{color:var(--muted);font-size:14.5px}
.footer-col a:hover{color:var(--neon)}
.footer-col .contact-line{color:var(--muted);font-size:14.5px;margin-bottom:11px}
.footer-col .contact-line b{color:var(--neon);font-weight:700}
.footer-bottom{
  border-top:1px solid rgba(0,230,168,.12);
  padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:var(--dim);
}
.footer-bottom a{color:var(--dim)}
.footer-bottom a:hover{color:var(--neon)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .proof-grid{grid-template-columns:1fr}
  .kpi-stack{grid-template-columns:repeat(2,1fr)}
  .apply-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991px){
  :root{--section:64px}
  .hero{padding:64px 0 56px}
  .hero-visual{margin-top:36px}
  .steps-track{grid-template-columns:1fr;gap:18px}
  .steps-track::before{display:none}
  .step-card.offset{transform:none}
  .step-card.offset:hover{transform:translateY(-4px)}
  .metrics-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid .news-card:first-child{grid-column:span 2}
  .case-card{grid-template-columns:180px 1fr}
}
@media (max-width:767px){
  :root{--section:56px}
  .container{padding-left:16px;padding-right:16px}
  .hero-strip{gap:22px;margin-top:44px}
  .strip-item{min-width:calc(50% - 11px)}
  .metrics-grid{grid-template-columns:1fr 1fr;gap:16px}
  .kpi-stack{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .news-grid .news-card:first-child{grid-column:span 1}
  .news-grid .news-card:first-child .news-thumb img{aspect-ratio:16/9}
  .case-card{grid-template-columns:1fr}
  .case-thumb img{min-height:180px}
  .case-body{padding:20px}
  .section-head{margin-bottom:32px}
  .faq-more{flex-direction:column;align-items:flex-start;gap:12px}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:519px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-neon,.hero-actions .btn-ghost{width:100%}
  .brand-text{font-size:16px}
  .float-chip{font-size:12px;padding:8px 12px}
}

/* roulang page: article */
:root{
  --neon:#00E6A8;
  --neon-dim:rgba(0,230,168,.16);
  --neon-soft:rgba(0,230,168,.08);
  --glow:rgba(0,230,168,.35);
  --lava:#FF6B2C;
  --magenta:#FF3D8B;
  --bg:#0A0E12;
  --bg-2:#111820;
  --card:#131C25;
  --text:#EAF2F0;
  --text-2:#9BB0AD;
  --text-3:#6F8380;
  --border:rgba(0,230,168,.16);
  --border-strong:rgba(0,230,168,.38);
  --radius-s:12px;
  --radius:16px;
  --radius-l:24px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
  --shadow-hover:0 0 0 1px rgba(0,230,168,.18),0 12px 32px rgba(0,0,0,.45);
  --shell:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.container{
  width:100%;
  max-width:var(--shell);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1400px){.container{max-width:1280px;}}
@media (max-width:575.98px){.container{padding-left:16px;padding-right:16px;}}

/* ============ HEADER ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:linear-gradient(180deg,#0A0E12 0%,#0F151B 100%);
  border-bottom:1px solid rgba(0,230,168,.22);
  box-shadow:0 6px 24px rgba(0,0,0,.45);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:64px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;
  border-radius:12px;
  background:radial-gradient(circle at 30% 30%,rgba(0,230,168,.22),rgba(0,230,168,.04));
  border:1px solid var(--border);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--text);white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--neon);}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.main-nav a{
  position:relative;
  padding:10px 14px;
  font-size:15px;
  color:var(--text-2);
  border-radius:10px;
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.main-nav a:hover{color:var(--text);background:var(--neon-soft);}
.main-nav a.active{color:var(--text);font-weight:600;}
.main-nav a.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--neon);
  box-shadow:0 0 10px var(--glow);
}
.main-nav a.active::before{
  content:"";
  position:absolute;
  left:6px;top:50%;transform:translateY(-50%);
  width:4px;height:4px;border-radius:50%;
  background:var(--neon);
  box-shadow:0 0 8px var(--glow);
}
.header-cta{flex:0 0 auto;margin-left:14px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;
  padding:12px 22px;
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  text-align:center;
}
.btn-neon{background:var(--neon);color:#06110D;}
.btn-neon:hover{background:#3BF3C1;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(0,230,168,.35),0 10px 26px rgba(0,230,168,.28);}
.btn-ghost{background:transparent;color:var(--neon);border-color:var(--border-strong);}
.btn-ghost:hover{background:var(--neon-soft);transform:translateY(-2px);box-shadow:0 0 18px rgba(0,230,168,.18);}
.btn-line{background:transparent;color:var(--text-2);border-color:transparent;padding-left:6px;padding-right:6px;}
.btn-line:hover{color:var(--neon);}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--neon);
  outline-offset:2px;
}
.nav-burger{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--border);
  border-radius:12px;
  background:var(--bg-2);
  padding:0;
  position:relative;
}
.nav-burger span{
  position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:var(--neon);
  transition:transform .25s ease,opacity .25s ease;
}
.nav-burger span:nth-child(1){top:15px;}
.nav-burger span:nth-child(2){top:21px;}
.nav-burger span:nth-child(3){top:27px;}
.mobile-nav{
  display:none;
  flex-direction:column;
  gap:4px;
  padding:14px 24px 22px;
  background:#0B1016;
  border-bottom:1px solid rgba(0,230,168,.18);
}
.mobile-nav a{
  display:block;
  padding:12px 10px;
  font-size:16px;
  color:var(--text-2);
  border-bottom:1px solid rgba(0,230,168,.10);
}
.mobile-nav a:hover{color:var(--text);background:var(--neon-soft);border-radius:10px;}
.mobile-nav .btn{margin-top:14px;border-bottom:0;color:#06110D;}
.mobile-nav.open{display:flex;}
@media (max-width:991.98px){
  .nav-burger{display:block;}
  .header-inner{height:56px;}
  .brand-text{font-size:16px;}
}

/* ============ 面包屑 ============ */
.crumbs-bar{
  background:linear-gradient(180deg,rgba(17,24,32,.9),rgba(10,14,18,0));
  border-bottom:1px solid rgba(0,230,168,.08);
}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:16px 0;
  font-size:13.5px;color:var(--text-3);
}
.crumbs li{display:inline-flex;align-items:center;gap:10px;}
.crumbs li+li::before{
  content:"";
  width:14px;height:1px;
  background:linear-gradient(90deg,rgba(0,230,168,.6),rgba(0,230,168,.15));
}
.crumbs a{color:var(--text-2);transition:color .2s ease;}
.crumbs a:hover{color:var(--neon);}
.crumbs .current{color:var(--text-3);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
@media (max-width:575.98px){.crumbs .current{max-width:200px;}}

/* ============ 文章头部 ============ */
.article-head{padding:40px 0 8px;}
.article-shell{
  display:grid;
  grid-template-columns:minmax(0,1fr) 248px;
  gap:52px;
  align-items:start;
}
.article-main{max-width:820px;margin:0 auto;width:100%;min-width:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;
  color:var(--neon);
  letter-spacing:.02em;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";width:18px;height:2px;border-radius:2px;background:var(--neon);box-shadow:0 0 8px var(--glow);
}
h1.article-title{
  font-size:clamp(28px,3.4vw,42px);
  line-height:1.32;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--text);
  margin-bottom:20px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px;
  padding-bottom:22px;
  border-bottom:1px solid var(--border);
  font-size:13.5px;
  color:var(--text-3);
}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-row .dot{width:5px;height:5px;border-radius:50%;background:var(--neon);box-shadow:0 0 8px var(--glow);}
.meta-tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;
  color:var(--neon);
  background:rgba(0,230,168,.09);
  border:1px solid var(--border);
}
.meta-actions{margin-left:auto;display:flex;gap:10px;}
.icon-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;
  font-size:13.5px;
  border-radius:999px;
  background:var(--bg-2);
  border:1px solid var(--border);
  color:var(--text-2);
  cursor:pointer;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.icon-btn:hover{border-color:var(--border-strong);color:var(--neon);transform:translateY(-2px);}
.icon-btn svg{width:15px;height:15px;}

/* ============ 正文 ============ */
.article-body{padding:34px 0 12px;}
.article-content{font-size:16px;line-height:1.85;color:var(--text-2);word-break:break-word;}
.article-content p{margin:0 0 1.2em;}
.article-content h2{
  position:relative;
  font-size:24px;line-height:1.45;font-weight:700;color:var(--text);
  margin:2em 0 .9em;
  padding-left:16px;
  letter-spacing:-.01em;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;
  background:var(--neon);box-shadow:0 0 10px var(--glow);
}
.article-content h3{font-size:19px;font-weight:600;color:var(--neon);margin:1.7em 0 .7em;line-height:1.5;}
.article-content h4{font-size:17px;font-weight:600;color:var(--text);margin:1.4em 0 .6em;}
.article-content strong{color:var(--text);}
.article-content a{color:var(--neon);text-decoration:underline;text-underline-offset:3px;}
.article-content ul,.article-content ol{margin:0 0 1.2em;padding-left:1.5em;}
.article-content ul{list-style:disc;}
.article-content ol{list-style:decimal;}
.article-content li{margin-bottom:.5em;}
.article-content li::marker{color:var(--neon);}
.article-content blockquote{
  margin:1.6em 0;
  padding:16px 22px;
  background:rgba(0,230,168,.06);
  border-left:3px solid var(--neon);
  border-radius:0 12px 12px 0;
  color:var(--text);
  font-size:15.5px;
}
.article-content img{max-width:100%;height:auto;border-radius:12px;margin:1.6em auto;}
.article-content figure{margin:1.6em 0;}
.article-content figcaption{
  margin-top:10px;text-align:center;font-size:13px;color:var(--text-3);
}
.article-content table{
  display:block;width:100%;overflow-x:auto;
  border-collapse:collapse;margin:1.6em 0;font-size:14.5px;
}
.article-content th,.article-content td{
  padding:11px 14px;
  border:1px solid var(--border);
  text-align:left;
  white-space:nowrap;
}
.article-content th{background:rgba(0,230,168,.07);color:var(--text);font-weight:600;}
.article-content code{
  background:rgba(0,230,168,.09);
  color:var(--neon);
  padding:2px 7px;border-radius:6px;font-size:14px;
}
.article-content hr{border:0;height:1px;background:var(--border);margin:2.4em 0;}

/* ============ 空态 ============ */
.empty-state{
  padding:56px 28px;
  border:1px dashed var(--border-strong);
  border-radius:var(--radius);
  background:var(--card);
  text-align:center;
}
.empty-state svg{width:46px;height:46px;margin:0 auto 16px;color:var(--neon);opacity:.85;}
.empty-state h3{font-size:20px;font-weight:700;color:var(--text);margin-bottom:10px;}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:22px;}

/* ============ 侧栏 ============ */
.article-side{position:sticky;top:96px;}
.side-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:20px;
  margin-bottom:18px;
}
.side-card h4{
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--text-3);
  text-transform:uppercase;margin-bottom:14px;
}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow:auto;}
.toc-list a{
  display:block;
  padding:7px 12px;
  font-size:14px;
  color:var(--text-2);
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
  line-height:1.5;
}
.toc-list a:hover{color:var(--text);background:var(--neon-soft);}
.toc-list a.active{color:var(--neon);border-left-color:var(--neon);background:rgba(0,230,168,.07);}
.side-links{display:flex;flex-direction:column;gap:8px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 12px;
  font-size:14.5px;
  color:var(--text-2);
  border-radius:10px;
  border:1px solid transparent;
  transition:all .2s ease;
}
.side-links a:hover{color:var(--neon);border-color:var(--border);background:var(--neon-soft);}
.side-links a::after{content:"→";color:var(--neon);font-size:14px;}

/* ============ 文末导航 ============ */
.end-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:44px;}
.end-nav a{
  display:block;
  padding:20px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.end-nav a:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow-hover);}
.end-nav .lbl{font-size:12.5px;color:var(--text-3);letter-spacing:.06em;margin-bottom:8px;display:block;}
.end-nav .txt{font-size:15.5px;color:var(--text);font-weight:600;line-height:1.5;}
.end-nav a:hover .txt{color:var(--neon);}

/* ============ 相关推荐 ============ */
.section{padding:72px 0;}
.section-head{margin-bottom:34px;max-width:720px;}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:600;color:var(--neon);letter-spacing:.06em;margin-bottom:12px;
}
.section-head .kicker::before{content:"";width:20px;height:2px;background:var(--neon);border-radius:2px;box-shadow:0 0 8px var(--glow);}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;letter-spacing:-.02em;color:var(--text);line-height:1.3;}
.section-head p{margin-top:10px;color:var(--text-2);font-size:15.5px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  height:100%;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow-hover);}
.post-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.post-card:hover .thumb img{transform:scale(1.05);}
.badge-cat{
  position:absolute;left:12px;top:12px;
  padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:600;
  color:#06110D;background:var(--neon);
}
.post-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card h3{font-size:17px;font-weight:700;line-height:1.5;color:var(--text);}
.post-card p{font-size:14.5px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}
.post-card .foot .more{color:var(--neon);font-weight:600;}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  background:
    linear-gradient(120deg,rgba(0,230,168,.10) 0%,rgba(10,14,18,0) 55%),
    linear-gradient(180deg,#111820,#0A0E12);
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(0,230,168,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,230,168,.05) 1px,transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;padding:64px 0;}
.cta-inner h2{font-size:clamp(24px,2.8vw,32px);font-weight:700;letter-spacing:-.02em;line-height:1.32;margin-bottom:14px;}
.cta-inner p{color:var(--text-2);font-size:15.5px;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.cta-panel{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-l);
  box-shadow:var(--shadow);
  padding:26px;
}
.cta-panel h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.cta-panel .sub{font-size:14px;color:var(--text-2);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;
  background:#0F151B;
  border:1px solid rgba(0,230,168,.22);
  border-radius:var(--radius-s);
  padding:12px 14px;
  font-size:15px;
  color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--neon);box-shadow:0 0 0 3px rgba(0,230,168,.16);
}
.field textarea{resize:vertical;min-height:88px;}
.cta-panel .btn{width:100%;margin-top:6px;}
.privacy-note{margin-top:14px;font-size:12.5px;color:var(--text-3);line-height:1.7;}

/* ============ FOOTER ============ */
.site-footer{
  background:#080C0F;
  border-top:1px solid rgba(0,230,168,.16);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:360px;}
.footer-col h4{font-size:15px;font-weight:700;color:var(--text);margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:var(--neon);padding-left:4px;}
.contact-line{font-size:14px;color:var(--text-2);margin-bottom:10px;}
.contact-line b{color:var(--neon);font-weight:600;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding:20px 0 26px;
  border-top:1px solid rgba(0,230,168,.10);
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--neon);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .article-shell{grid-template-columns:minmax(0,1fr) 224px;gap:36px;}
}
@media (max-width:991.98px){
  .article-shell{grid-template-columns:minmax(0,1fr);}
  .article-side{display:none;}
  .article-head{padding:30px 0 6px;}
  .section{padding:56px 0;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .cta-inner{grid-template-columns:1fr;gap:30px;padding:52px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .end-nav{grid-template-columns:1fr;}
  .meta-actions{margin-left:0;width:100%;}
}
@media (max-width:575.98px){
  body{font-size:15.5px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .article-content h2{font-size:20px;}
  .article-content h3{font-size:17px;}
  .section{padding:48px 0;}
  .btn{padding:11px 18px;font-size:14.5px;}
}

/* roulang page: category1 */
:root{
  --neon:#00E6A8;
  --neon-soft:rgba(0,230,168,.16);
  --neon-line:rgba(0,230,168,.16);
  --neon-strong:rgba(0,230,168,.38);
  --neon-glow:rgba(0,230,168,.35);
  --orange:#FF6B2C;
  --magenta:#FF3D8B;
  --bg:#0A0E12;
  --bg-2:#111820;
  --card:#131C25;
  --input:#0F151B;
  --text:#EAF2F0;
  --muted:#9BB0AD;
  --weak:#6F8380;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
  --shadow-lg:0 0 0 1px rgba(0,230,168,.18),0 12px 32px rgba(0,0,0,.45);
  --section-y:88px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 420px at 82% -8%, rgba(0,230,168,.09), transparent 62%),
    radial-gradient(700px 360px at 4% 22%, rgba(255,107,44,.06), transparent 65%);
  background-repeat:no-repeat;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--neon);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;font-weight:700;line-height:1.3;}
p{margin:0;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
.section{padding:var(--section-y) 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:30px;font-weight:700;margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:15px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.12em;color:var(--neon);
  text-transform:uppercase;margin-bottom:14px;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--neon);box-shadow:0 0 10px var(--neon-glow);}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:linear-gradient(180deg,#0A0E12 0%,#0F151B 100%);
  border-bottom:1px solid rgba(0,230,168,.22);
  box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.header-inner{
  height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(145deg,rgba(0,230,168,.16),rgba(0,230,168,.04));
  border:1px solid var(--neon-line);
  box-shadow:inset 0 0 14px rgba(0,230,168,.14);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.01em;color:var(--text);white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--neon);}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{
  position:relative;display:inline-block;padding:10px 14px;border-radius:10px;
  font-size:15px;color:var(--muted);font-weight:500;
}
.main-nav a:hover{color:var(--text);background:rgba(0,230,168,.08);}
.main-nav a.active{color:var(--text);font-weight:600;}
.main-nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--neon);border-radius:2px;box-shadow:0 0 10px var(--neon-glow);
}
.main-nav a.active::before{
  content:"";position:absolute;top:6px;right:6px;width:5px;height:5px;border-radius:50%;
  background:var(--neon);box-shadow:0 0 8px var(--neon);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:12px 22px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .22s ease;line-height:1;
}
.btn-neon{background:var(--neon);color:#06110D;box-shadow:0 6px 18px rgba(0,230,168,.22);}
.btn-neon:hover{background:#22f2ba;color:#06110D;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(0,230,168,.3),0 14px 28px rgba(0,230,168,.3);}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--neon-strong);}
.btn-ghost:hover{background:rgba(0,230,168,.1);color:var(--neon);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-link-neon{
  display:inline-flex;align-items:center;gap:6px;color:var(--neon);font-weight:600;
  font-size:14px;border-bottom:1px solid transparent;
}
.btn-link-neon:hover{border-bottom-color:var(--neon);}
.nav-toggle{
  display:inline-grid;place-items:center;width:42px;height:42px;border-radius:12px;
  background:rgba(0,230,168,.08);border:1px solid var(--neon-line);color:var(--text);
}
.nav-toggle i{font-size:18px;}
.mobile-panel{
  background:#0B1016;border-top:1px solid rgba(0,230,168,.14);
  padding:14px 0 20px;
}
.mobile-panel a{
  display:block;padding:14px 24px;font-size:16px;color:var(--muted);
  border-bottom:1px solid rgba(0,230,168,.08);
}
.mobile-panel a.active{color:var(--neon);background:rgba(0,230,168,.06);font-weight:600;}
.mobile-panel .mobile-cta{padding:16px 24px 0;}
.mobile-panel .mobile-cta .btn{width:100%;}

/* ============ 小 Hero ============ */
.mini-hero{
  position:relative;
  min-height:300px;
  display:flex;align-items:center;
  background-image:linear-gradient(100deg,rgba(10,14,18,.94) 0%,rgba(10,14,18,.82) 48%,rgba(10,14,18,.62) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--neon-line);
  overflow:hidden;
}
.mini-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(0,230,168,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,230,168,.05) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.5),transparent 85%);
}
.mini-hero .container{position:relative;z-index:2;padding-top:48px;padding-bottom:52px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--weak);margin-bottom:20px;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--neon);}
.crumbs .sep{width:16px;height:1px;background:rgba(0,230,168,.4);display:inline-block;}
.crumbs .now{color:var(--neon);}
.mini-hero h1{
  font-size:42px;font-weight:800;line-height:1.22;max-width:900px;margin-bottom:18px;
}
.mini-hero h1 span{color:var(--neon);}
.mini-hero p.lead-text{color:var(--muted);font-size:16px;max-width:720px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:13px;
  background:rgba(0,230,168,.08);border:1px solid var(--neon-line);color:var(--neon);
}
.tag.warm{background:rgba(255,107,44,.1);border-color:rgba(255,107,44,.28);color:#FFB185;}

/* ============ 分类目录 ============ */
.catalog-layout{display:grid;grid-template-columns:250px 1fr;gap:32px;align-items:start;}
.anchor-panel{
  position:sticky;top:88px;
  background:var(--card);border:1px solid var(--neon-line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.anchor-panel h3{font-size:16px;margin-bottom:14px;color:var(--text);}
.anchor-panel ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px;}
.anchor-panel a{
  display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;
  font-size:14px;color:var(--muted);border-left:2px solid transparent;
}
.anchor-panel a:hover{background:rgba(0,230,168,.08);color:var(--text);border-left-color:var(--neon);}
.anchor-panel a i{color:var(--neon);font-size:13px;}
.anchor-note{margin-top:18px;padding-top:16px;border-top:1px dashed rgba(0,230,168,.18);font-size:13px;color:var(--weak);}

.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.entry-card{
  background:var(--card);border:1px solid var(--neon-line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);transition:all .25s ease;display:flex;flex-direction:column;gap:12px;
}
.entry-card:hover{transform:translateY(-4px);border-color:var(--neon-strong);box-shadow:var(--shadow-lg);}
.entry-top{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;}
.entry-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(145deg,rgba(0,230,168,.18),rgba(0,230,168,.04));
  border:1px solid var(--neon-line);color:var(--neon);font-size:19px;
}
.badge-status{
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap;
  background:rgba(0,230,168,.1);color:var(--neon);border:1px solid var(--neon-line);
}
.badge-status.warm{background:rgba(255,107,44,.12);color:#FFB185;border-color:rgba(255,107,44,.3);}
.badge-status.pink{background:rgba(255,61,139,.12);color:#FF9CC2;border-color:rgba(255,61,139,.3);}
.entry-card h3{font-size:19px;font-weight:600;}
.entry-card p{color:var(--muted);font-size:14px;line-height:1.7;}
.entry-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid rgba(0,230,168,.1);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--weak);
}

/* ============ 使用流程 7:5 ============ */
.flow-layout{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start;}
.flow-list{display:flex;flex-direction:column;gap:18px;}
.flow-item{
  display:flex;gap:20px;background:var(--card);border:1px solid var(--neon-line);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:all .25s ease;
}
.flow-item:hover{transform:translateY(-3px);border-color:var(--neon-strong);}
.flow-num{
  font-family:"SFMono-Regular",Consolas,monospace;font-size:30px;font-weight:800;
  color:transparent;-webkit-text-stroke:1px rgba(0,230,168,.7);line-height:1;
  min-width:56px;
}
.flow-item h3{font-size:19px;margin-bottom:6px;}
.flow-item p{color:var(--muted);font-size:14px;}
.flow-side{
  background:linear-gradient(160deg,rgba(0,230,168,.09),rgba(19,28,37,.9));
  border:1px solid var(--neon-line);border-radius:var(--radius);padding:26px;
  box-shadow:var(--shadow);position:sticky;top:88px;
}
.flow-side img{border-radius:var(--radius-sm);margin-bottom:18px;aspect-ratio:16/9;object-fit:cover;width:100%;}
.flow-side h3{font-size:20px;margin-bottom:10px;}
.flow-side p{color:var(--muted);font-size:14px;margin-bottom:18px;}
.side-list{list-style:none;margin:0 0 20px;padding:0;display:flex;flex-direction:column;gap:10px;}
.side-list li{display:flex;gap:10px;font-size:14px;color:var(--text);align-items:flex-start;}
.side-list i{color:var(--neon);margin-top:5px;font-size:12px;}

/* ============ 场景板块 ============ */
.scene-layout{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:center;}
.scene-visual{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--neon-line);box-shadow:var(--shadow);}
.scene-visual img{aspect-ratio:4/3;object-fit:cover;width:100%;}
.scene-float{
  position:absolute;right:18px;bottom:18px;
  background:rgba(11,16,22,.92);border:1px solid var(--neon-line);border-radius:14px;
  padding:14px 18px;backdrop-filter:blur(6px);
}
.scene-float b{display:block;font-size:24px;color:var(--neon);font-family:"SFMono-Regular",Consolas,monospace;line-height:1.2;}
.scene-float span{font-size:13px;color:var(--muted);}
.scene-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.scene-card{
  background:var(--card);border:1px solid var(--neon-line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);transition:all .25s ease;
}
.scene-card:hover{transform:translateY(-4px);border-color:var(--neon-strong);box-shadow:var(--shadow-lg);}
.scene-card i{color:var(--neon);font-size:20px;margin-bottom:12px;display:block;}
.scene-card h3{font-size:17px;margin-bottom:8px;}
.scene-card p{color:var(--muted);font-size:14px;}

/* ============ 案例证明 ============ */
.proof-layout{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start;}
.kpi-stack{display:flex;flex-direction:column;gap:20px;}
.kpi-card{
  background:var(--card);border:1px solid var(--neon-line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);transition:all .25s ease;
}
.kpi-card:hover{border-color:var(--neon-strong);transform:translateY(-3px);}
.kpi-card b{
  display:block;font-size:38px;font-weight:800;color:var(--neon);line-height:1.1;
  font-family:"SFMono-Regular",Consolas,monospace;letter-spacing:-.02em;
}
.kpi-card h3{font-size:16px;margin:10px 0 6px;}
.kpi-card p{color:var(--muted);font-size:14px;}
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.case-card{
  background:var(--card);border:1px solid var(--neon-line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);transition:all .25s ease;display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-4px);border-color:var(--neon-strong);box-shadow:var(--shadow-lg);}
.case-card img{aspect-ratio:16/9;object-fit:cover;width:100%;}
.case-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.case-body h3{font-size:17px;}
.case-body p{color:var(--muted);font-size:14px;}
.case-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:12px;}
.mini-badge{
  font-size:12px;padding:4px 10px;border-radius:999px;
  border:1px solid var(--neon-line);color:var(--muted);
}
.mini-badge.hot{color:#FFB185;border-color:rgba(255,107,44,.3);background:rgba(255,107,44,.08);}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.faq-head h2{font-size:30px;margin-bottom:10px;}
.faq-head p{color:var(--muted);font-size:15px;}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--card);border:1px solid var(--neon-line);border-radius:var(--radius);
  overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item.open{border-color:var(--neon-strong);box-shadow:0 0 0 1px rgba(0,230,168,.14),0 10px 28px rgba(0,0,0,.4);}
.faq-q{
  width:100%;background:transparent;border:0;color:var(--text);text-align:left;
  padding:18px 22px;min-height:60px;display:flex;align-items:center;justify-content:space-between;
  gap:18px;font-size:16px;font-weight:600;cursor:pointer;line-height:1.5;
}
.faq-q:hover{color:var(--neon);}
.faq-q .ic{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--neon-strong);color:var(--neon);font-size:12px;transition:transform .25s ease;
}
.faq-item.open .faq-q .ic{transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
  border-left:2px solid var(--neon);margin-left:22px;
}
.faq-a p{padding:0 22px 20px 18px;color:var(--muted);font-size:14.5px;line-height:1.8;}

/* ============ CTA 表单 ============ */
.cta-band{
  position:relative;border-top:1px solid var(--neon-line);border-bottom:1px solid var(--neon-line);
  background-image:linear-gradient(115deg,rgba(10,14,18,.95),rgba(10,14,18,.8)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(0,230,168,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,230,168,.05) 1px,transparent 1px);
  background-size:48px 48px;pointer-events:none;
}
.cta-layout{position:relative;z-index:2;display:grid;grid-template-columns:6fr 6fr;gap:44px;align-items:center;}
.cta-copy h2{font-size:32px;margin-bottom:16px;}
.cta-copy p{color:var(--muted);font-size:15px;margin-bottom:22px;}
.cta-points{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;gap:10px;font-size:14.5px;color:var(--text);}
.cta-points i{color:var(--neon);margin-top:6px;font-size:12px;}
.form-card{
  background:rgba(19,28,37,.94);border:1px solid var(--neon-line);border-radius:20px;
  padding:28px;box-shadow:0 20px 50px rgba(0,0,0,.5);
}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-tip{font-size:13px;color:var(--weak);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;background:var(--input);border:1px solid rgba(0,230,168,.22);
  border-radius:var(--radius-sm);padding:12px 14px;color:var(--text);font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:96px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--neon);box-shadow:0 0 0 3px rgba(0,230,168,.16);
}
.field select option{background:#0F151B;color:var(--text);}
.form-card .btn{width:100%;margin-top:6px;}
.form-note{font-size:12.5px;color:var(--weak);margin-top:14px;line-height:1.7;}
.form-alert{
  display:none;margin-top:14px;padding:12px 14px;border-radius:var(--radius-sm);font-size:14px;
  border:1px solid transparent;
}
.form-alert.ok{display:block;color:var(--neon);background:rgba(0,230,168,.08);border-color:rgba(0,230,168,.3);}
.form-alert.err{display:block;color:#FF9CC2;background:rgba(255,61,139,.1);border-color:rgba(255,61,139,.32);}

/* ============ 页脚 ============ */
.site-footer{
  background:#080B0E;border-top:1px solid var(--neon-line);padding:64px 0 26px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand p{color:var(--muted);font-size:14px;margin-top:16px;max-width:340px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--muted);}
.footer-col a:hover{color:var(--neon);}
.contact-line{font-size:14px;color:var(--muted);margin-bottom:10px;}
.contact-line b{color:var(--text);font-weight:600;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(0,230,168,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--weak);
}
.footer-bottom a{color:var(--neon);}

@media (max-width:1199.98px){
  :root{--section-y:76px;}
  .mini-hero h1{font-size:38px;}
}
@media (max-width:991.98px){
  :root{--section-y:64px;}
  .header-inner{height:56px;}
  .catalog-layout{grid-template-columns:1fr;}
  .anchor-panel{position:static;}
  .flow-layout,.scene-layout,.proof-layout,.cta-layout{grid-template-columns:1fr;}
  .flow-side{position:static;}
  .mini-hero{min-height:260px;}
  .mini-hero h1{font-size:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px;}
  .entry-grid,.scene-cards,.case-grid{grid-template-columns:1fr;}
  .mini-hero{min-height:230px;}
  .mini-hero h1{font-size:28px;}
  .section-head h2,.faq-head h2,.cta-copy h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .kpi-card b{font-size:32px;}
  .flow-num{font-size:24px;min-width:44px;}
}
@media (max-width:520px){
  .mini-hero h1{font-size:25px;}
  .mini-hero .container{padding-top:34px;padding-bottom:38px;}
  .brand-text{font-size:16px;}
  .form-card{padding:20px;}
  .entry-card,.kpi-card,.flow-item{padding:18px;}
}

/* roulang page: category3 */
:root{
  --bg:#0A0E12;
  --bg-2:#111820;
  --card:#131C25;
  --field:#0F151B;
  --neon:#00E6A8;
  --orange:#FF6B2C;
  --magenta:#FF3D8B;
  --text:#EAF2F0;
  --text-2:#9BB0AD;
  --text-3:#6F8380;
  --line:rgba(0,230,168,.16);
  --line-strong:rgba(0,230,168,.38);
  --glow:rgba(0,230,168,.35);
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
  --shadow-hover:0 0 0 1px rgba(0,230,168,.18), 0 12px 32px rgba(0,0,0,.45);
  --space-section:96px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s ease,opacity .25s ease;}
a:hover{color:var(--neon);}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:700;letter-spacing:-.02em;line-height:1.28;color:var(--text);}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;}
.container{
  width:100%;
  padding-left:24px;
  padding-right:24px;
  margin:0 auto;
}
@media (min-width:1200px){.container{max-width:1200px;}}
@media (min-width:1400px){.container{max-width:1280px;}}
@media (max-width:767px){.container{padding-left:16px;padding-right:16px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1050;
  background:linear-gradient(180deg,#0A0E12 0%,#0F151B 100%);
  border-bottom:1px solid rgba(0,230,168,.22);
  backdrop-filter:blur(8px);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:64px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--text);
  white-space:nowrap;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:radial-gradient(circle at 30% 20%,rgba(0,230,168,.28),rgba(0,230,168,.05));
  border:1px solid var(--line-strong);
  box-shadow:0 0 14px rgba(0,230,168,.25);
  flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:19px;}
.brand-text em{font-style:normal;color:var(--neon);}
.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav a{
  position:relative;
  padding:10px 14px;
  font-size:15px;
  color:var(--text-2);
  border-radius:10px;
  transition:background .25s ease,color .25s ease;
  white-space:nowrap;
}
.main-nav a:hover{background:rgba(0,230,168,.08);color:var(--text);}
.main-nav a.active{color:var(--text);}
.main-nav a.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--neon);
  box-shadow:0 0 10px var(--glow);
}
.main-nav a.active::before{
  content:"";
  position:absolute;
  left:50%;bottom:-7px;
  width:6px;height:6px;
  margin-left:-3px;
  border-radius:50%;
  background:var(--neon);
  box-shadow:0 0 10px var(--glow);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.btn-neon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border-radius:999px;
  background:var(--neon);
  color:#06110D;
  font-weight:700;
  font-size:15px;
  border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease;
  cursor:pointer;
}
.btn-neon:hover{
  color:#06110D;
  transform:translateY(-2px);
  background:#3af0bd;
  box-shadow:0 0 0 1px rgba(0,230,168,.4),0 10px 26px rgba(0,230,168,.28);
}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border-radius:999px;
  background:transparent;
  border:1px solid var(--line-strong);
  color:var(--text);
  font-weight:600;
  font-size:15px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,color .22s ease;
  cursor:pointer;
}
.btn-ghost:hover{
  color:var(--neon);
  border-color:var(--neon);
  transform:translateY(-2px);
  box-shadow:0 0 18px rgba(0,230,168,.18);
}
.btn-sm{padding:9px 18px;font-size:14px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(0,230,168,.06);
  color:var(--text);
  cursor:pointer;
}
.nav-toggle i{font-size:18px;}
.mobile-panel{
  background:#0B1016;
  border-top:1px solid var(--line);
}
.mobile-panel .inner{padding:16px 24px 24px;}
.mobile-panel a{
  display:block;
  padding:14px 4px;
  font-size:16px;
  color:var(--text-2);
  border-bottom:1px solid rgba(0,230,168,.10);
}
.mobile-panel a.active{color:var(--neon);}
.mobile-panel .btn-neon{width:100%;margin-top:18px;}
@media (max-width:991px){
  .header-inner{height:56px;}
  .main-nav{display:none;}
  .header-actions .btn-neon{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand-mark{width:32px;height:32px;}
  .brand-text{font-size:17px;}
}

/* ============ 页面小 Hero ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(10,14,18,.95) 0%,rgba(10,14,18,.88) 48%,rgba(10,14,18,.74) 100%);
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(0,230,168,.18) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.35;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;padding-top:56px;padding-bottom:56px;}
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13.5px;color:var(--text-3);margin-bottom:20px;}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--neon);}
.crumbs .sep{width:18px;height:1px;background:linear-gradient(90deg,rgba(0,230,168,0),var(--neon));display:inline-block;}
.crumbs .now{color:var(--text);}
.page-hero h1{
  font-size:44px;
  font-weight:800;
  margin-bottom:16px;
  max-width:820px;
}
.page-hero .lead{
  max-width:720px;
  color:var(--text-2);
  font-size:16.5px;
  margin-bottom:22px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;
  color:var(--neon);
  background:rgba(0,230,168,.08);
  border:1px solid var(--line);
}
.tag.orange{color:var(--orange);background:rgba(255,107,44,.10);border-color:rgba(255,107,44,.28);}
.tag.magenta{color:var(--magenta);background:rgba(255,61,139,.10);border-color:rgba(255,61,139,.26);}
@media (max-width:991px){
  .page-hero .container{padding-top:40px;padding-bottom:40px;}
  .page-hero h1{font-size:34px;}
}
@media (max-width:575px){
  .page-hero .container{padding-top:32px;padding-bottom:32px;}
  .page-hero h1{font-size:30px;}
  .page-hero .lead{font-size:15.5px;}
}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-sm{padding:64px 0;}
.section-alt{background:var(--bg-2);}
.section-head{margin-bottom:40px;max-width:760px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--neon);
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-head .eyebrow::before{
  content:"";width:26px;height:2px;border-radius:2px;background:var(--neon);box-shadow:0 0 10px var(--glow);
}
.section-head h2{font-size:30px;font-weight:700;margin-bottom:12px;}
.section-head p{color:var(--text-2);margin:0;}
@media (max-width:767px){
  .section{padding:56px 0;}
  .section-sm{padding:48px 0;}
  .section-head h2{font-size:24px;}
}

/* ============ 卡片 ============ */
.card-neon{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  transition:border-color .28s ease,transform .28s ease,box-shadow .28s ease;
}
.card-neon:hover{
  border-color:var(--line-strong);
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
}
.card-pad{padding:24px;}
.card-title{font-size:18px;font-weight:700;margin-bottom:8px;}
.card-text{color:var(--text-2);font-size:14.5px;margin:0;}
.meta-line{font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px;}

/* ============ 筛选标签 ============ */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:8px;
  background:var(--field);
  border:1px solid var(--line);
  border-radius:999px;
  margin-bottom:28px;
}
.filter-pill{
  border:0;
  background:transparent;
  color:var(--text-2);
  padding:9px 18px;
  border-radius:999px;
  font-size:14.5px;
  cursor:pointer;
  transition:background .22s ease,color .22s ease;
}
.filter-pill:hover{background:rgba(0,230,168,.08);color:var(--text);}
.filter-pill.active{background:var(--neon);color:#06110D;font-weight:700;box-shadow:0 0 16px rgba(0,230,168,.28);}

/* ============ FAQ 折叠 ============ */
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .28s ease,box-shadow .28s ease;
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item.open{
  border-color:var(--line-strong);
  box-shadow:0 0 0 1px rgba(0,230,168,.14),0 12px 30px rgba(0,0,0,.4);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:60px;
  padding:16px 20px;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:16px;
  font-weight:600;
  text-align:left;
  cursor:pointer;
  transition:color .22s ease;
}
.faq-q:hover{color:var(--neon);}
.faq-sign{
  flex:0 0 auto;
  width:28px;height:28px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:9px;
  border:1px solid var(--line-strong);
  color:var(--neon);
  font-size:15px;
  transition:transform .28s ease,background .28s ease;
}
.faq-item.open .faq-sign{background:rgba(0,230,168,.14);transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .34s ease;
}
.faq-item.open .faq-a{max-height:420px;}
.faq-a-inner{
  padding:2px 22px 20px 20px;
  margin-left:20px;
  border-left:2px solid var(--neon);
  color:var(--text-2);
  font-size:14.8px;
}
.faq-a-inner p:last-child{margin-bottom:0;}

/* ============ 侧栏帮助卡 ============ */
.side-stack{display:flex;flex-direction:column;gap:20px;}
.help-card{padding:22px;}
.help-card h3{font-size:17px;margin-bottom:14px;display:flex;align-items:center;gap:10px;}
.help-card h3 i{color:var(--neon);font-size:15px;}
.help-list li{
  display:flex;
  gap:10px;
  padding:9px 0;
  font-size:14.5px;
  color:var(--text-2);
  border-bottom:1px dashed rgba(0,230,168,.12);
}
.help-list li:last-child{border-bottom:0;}
.help-list li i{color:var(--neon);font-size:12px;margin-top:7px;}
.jump-links{display:flex;flex-wrap:wrap;gap:8px;}
.jump-links a{
  padding:7px 13px;
  font-size:13.5px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--text-2);
}
.jump-links a:hover{border-color:var(--neon);color:var(--neon);background:rgba(0,230,168,.07);}
.status-badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;
  color:var(--neon);
  background:rgba(0,230,168,.10);
  border:1px solid var(--line);
}
.status-badge::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--neon);box-shadow:0 0 8px var(--glow);
}
@media (min-width:992px){
  .sticky-side{position:sticky;top:88px;}
}

/* ============ 相关文章卡片 ============ */
.post-card{
  height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:border-color .28s ease,transform .28s ease,box-shadow .28s ease;
  display:flex;
  flex-direction:column;
}
.post-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.post-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0d1319;}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.post-card:hover .post-cover img{transform:scale(1.05);}
.post-cover .badge-cat{
  position:absolute;left:12px;top:12px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;
  background:rgba(10,14,18,.78);
  border:1px solid var(--line-strong);
  color:var(--neon);
  backdrop-filter:blur(6px);
}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:17px;margin:0;line-height:1.5;}
.post-body .desc{
  color:var(--text-2);font-size:14px;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid rgba(0,230,168,.10);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.post-foot .more{color:var(--neon);font-weight:600;}

/* ============ CTA 区 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,14,18,.96) 0%,rgba(10,14,18,.9) 55%,rgba(17,24,32,.86) 100%);
}
.cta-band::after{
  content:"";
  position:absolute;top:0;bottom:0;left:-8%;
  width:46%;
  background:linear-gradient(90deg,rgba(0,230,168,.10),transparent);
  transform:skewX(-14deg);
  pointer-events:none;
}
.cta-band .container{position:relative;z-index:2;padding-top:72px;padding-bottom:72px;}
.cta-band h2{font-size:28px;margin-bottom:12px;}
.cta-band p{color:var(--text-2);max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;}
@media (max-width:767px){
  .cta-band .container{padding-top:52px;padding-bottom:52px;}
  .cta-band h2{font-size:23px;}
  .cta-actions .btn-neon,.cta-actions .btn-ghost{width:100%;}
}

/* ============ 页脚 ============ */
.site-footer{
  background:#080C10;
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  color:var(--text-2);
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(0,230,168,.12);
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--text-3);font-size:14px;max-width:340px;margin:0;}
.footer-col h4{
  color:var(--text);
  font-size:15px;
  margin-bottom:16px;
  font-weight:700;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:var(--text-2);font-size:14.5px;}
.footer-col ul li a:hover{color:var(--neon);}
.contact-line{font-size:14px;color:var(--text-3);margin-bottom:10px;}
.contact-line b{color:var(--text-2);font-weight:600;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  padding-top:22px;
  font-size:13.5px;
  color:var(--text-3);
}
.footer-bottom a{color:var(--text-2);}
.footer-bottom a:hover{color:var(--neon);}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:575px){
  .site-footer{padding:48px 0 24px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --bg:#0A0E12;
  --bg-soft:#111820;
  --bg-deep:#0B1016;
  --card:#131C25;
  --line:rgba(0,230,168,.16);
  --line-2:rgba(0,230,168,.38);
  --neon:#00E6A8;
  --neon-soft:rgba(0,230,168,.08);
  --orange:#FF6B2C;
  --magenta:#FF3D8B;
  --text:#EAF2F0;
  --text-2:#9BB0AD;
  --text-3:#6F8380;
  --radius:16px;
  --radius-sm:12px;
  --radius-lg:24px;
  --pill:999px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
  --shadow-hover:0 0 0 1px rgba(0,230,168,.18),0 12px 32px rgba(0,0,0,.45);
  --glow:0 0 24px rgba(0,230,168,.35);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;color:var(--text);line-height:1.28;letter-spacing:-.02em;font-weight:700;}
p{margin:0;}
::selection{background:rgba(0,230,168,.28);color:#ffffff;}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:linear-gradient(180deg,#0F151B 0%,#0A0E12 100%);
  border-bottom:1px solid rgba(0,230,168,.22);
  box-shadow:0 6px 26px rgba(0,0,0,.5);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:64px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand-mark{
  width:34px;height:34px;
  border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,rgba(0,230,168,.18),rgba(0,230,168,.02));
  border:1px solid var(--line-2);
  box-shadow:inset 0 0 12px rgba(0,230,168,.14);
  flex:0 0 34px;
}
.brand-mark svg{width:18px;height:18px;}
.brand-text em{font-style:normal;color:var(--neon);}

.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 15px;
  border-radius:10px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
}
.main-nav a:hover{color:var(--text);background:var(--neon-soft);}
.main-nav a.active{color:var(--text);}
.main-nav a.active::after{
  content:"";
  position:absolute;
  left:15px;right:15px;bottom:1px;
  height:2px;border-radius:2px;
  background:var(--neon);
  box-shadow:0 0 10px rgba(0,230,168,.85);
}
.main-nav a.active::before{
  content:"";
  position:absolute;
  left:50%;bottom:-4px;
  width:5px;height:5px;
  margin-left:-2.5px;
  border-radius:50%;
  background:var(--neon);
  box-shadow:0 0 10px var(--neon);
}

.header-actions{display:flex;align-items:center;gap:12px;}

.btn-neon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border:1px solid transparent;
  border-radius:var(--pill);
  background:var(--neon);
  color:#06110D;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  box-shadow:0 6px 20px rgba(0,230,168,.26);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-neon:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 10px 28px rgba(0,230,168,.42);color:#06110D;}
.btn-neon:active{transform:translateY(0);}
.btn-neon.btn-sm{padding:9px 18px;font-size:14px;}
.btn-neon.btn-block{width:100%;}

.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border:1px solid var(--line-2);
  border-radius:var(--pill);
  background:transparent;
  color:var(--text);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:border-color .22s ease,color .22s ease,background-color .22s ease,transform .22s ease;
}
.btn-ghost:hover{border-color:var(--neon);color:var(--neon);background:var(--neon-soft);transform:translateY(-2px);}

.nav-toggle{
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--neon-soft);
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--neon);}

.mobile-nav{
  background:#0B1016;
  border-top:1px solid var(--line);
  padding:8px 0 20px;
}
.mobile-nav a{
  display:block;
  padding:14px 4px;
  font-size:16px;
  color:var(--text-2);
  border-bottom:1px solid rgba(0,230,168,.1);
}
.mobile-nav a:hover,.mobile-nav a.active{color:var(--neon);}
.mobile-nav .btn-neon{margin-top:18px;width:100%;}

/* ============ 页头主视觉 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:var(--bg-deep);
}
.page-hero-media{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.52;
}
.page-hero-veil{
  position:absolute;
  inset:0;
  background:
    radial-gradient(85% 90% at 10% 15%,rgba(0,230,168,.18),transparent 62%),
    linear-gradient(180deg,rgba(10,14,18,.74),rgba(10,14,18,.95));
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(0,230,168,.14) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.45;
  pointer-events:none;
}
.page-hero-inner{
  position:relative;
  z-index:2;
  padding:62px 0 56px;
}
.crumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:14px;color:var(--text-3);margin-bottom:18px;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--neon);}
.crumb-sep{width:16px;height:1px;background:linear-gradient(90deg,rgba(0,230,168,.6),rgba(0,230,168,.15));}
.crumb-cur{color:var(--neon);}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:13px;
  font-weight:600;
  color:var(--neon);
  letter-spacing:.08em;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--neon);box-shadow:0 0 8px var(--neon);}

.page-hero h1{
  font-size:clamp(30px,4vw,44px);
  font-weight:800;
  max-width:900px;
}
.hero-sub{
  margin-top:16px;
  max-width:680px;
  font-size:17px;
  color:var(--text-2);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:var(--pill);
  border:1px solid var(--line);
  background:rgba(0,230,168,.06);
  font-size:13px;
  color:var(--text-2);
}

/* ============ 板块 ============ */
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.sec-head{max-width:780px;margin-bottom:44px;}
.sec-head h2{font-size:clamp(24px,3vw,32px);font-weight:700;}
.sec-sub{margin-top:14px;color:var(--text-2);font-size:16px;}

/* ============ 速览条 ============ */
.quick-strip{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:22px;
  padding:24px 28px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(19,28,37,.96),rgba(15,21,27,.96));
  box-shadow:var(--shadow);
}
.quick-item{display:flex;flex-direction:column;gap:2px;min-width:150px;}
.quick-item b{font-family:var(--mono);font-size:20px;font-weight:700;color:var(--neon);}
.quick-item span{font-size:13px;color:var(--text-2);}
.quick-divider{width:1px;height:38px;background:linear-gradient(180deg,transparent,rgba(0,230,168,.32),transparent);}

/* ============ 流程 ============ */
.flow-list{position:relative;}
.flow-item{position:relative;display:flex;gap:22px;padding-bottom:34px;}
.flow-item:last-child{padding-bottom:0;}
.flow-item:not(:last-child)::before{
  content:"";
  position:absolute;
  left:29px;top:66px;bottom:6px;
  width:2px;
  background:linear-gradient(180deg,rgba(0,230,168,.5),rgba(0,230,168,.05));
}
.flow-num{
  flex:0 0 60px;
  width:60px;height:60px;
  border-radius:18px;
  display:grid;place-items:center;
  font-family:var(--mono);
  font-size:20px;
  font-weight:700;
  color:var(--neon);
  background:linear-gradient(160deg,rgba(0,230,168,.16),rgba(0,230,168,.02));
  border:1px solid var(--line-2);
  box-shadow:0 0 18px rgba(0,230,168,.14);
}
.flow-body h3{font-size:20px;font-weight:600;margin-bottom:8px;}
.flow-body p{font-size:15px;color:var(--text-2);}
.flow-tips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.flow-tips li{
  font-size:13px;
  color:var(--text-2);
  padding:4px 12px;
  border-radius:var(--pill);
  border:1px dashed var(--line);
}

/* ============ 侧栏卡 ============ */
.side-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:92px;}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  box-shadow:var(--shadow);
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.side-card:hover{border-color:var(--line-2);transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.side-card h3{font-size:18px;font-weight:600;margin-bottom:16px;}
.check-list li{position:relative;padding-left:24px;margin-bottom:11px;font-size:15px;color:var(--text-2);}
.check-list li:last-child{margin-bottom:0;}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--neon);
  box-shadow:0 0 8px rgba(0,230,168,.7);
}
.side-card-accent{
  background:linear-gradient(150deg,rgba(255,107,44,.13),rgba(19,28,37,.97) 58%);
  border-color:rgba(255,107,44,.32);
}
.side-card-accent:hover{border-color:rgba(255,107,44,.55);}
.side-card-accent p{font-size:15px;color:var(--text-2);margin-bottom:18px;}

/* ============ 场景卡 ============ */
.scene-card{
  height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.scene-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:var(--shadow-hover);}
.scene-media{aspect-ratio:16/9;overflow:hidden;background:#0F151B;}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.scene-card:hover .scene-media img{transform:scale(1.04);}
.scene-body{padding:22px 24px 26px;}
.scene-body h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.scene-body p{font-size:15px;color:var(--text-2);}
.scene-badge{
  display:inline-flex;
  align-items:center;
  margin-bottom:12px;
  padding:4px 12px;
  border-radius:var(--pill);
  border:1px solid var(--line);
  background:rgba(0,230,168,.07);
  font-size:12px;
  color:var(--neon);
  letter-spacing:.04em;
}
.scene-wide{display:grid;grid-template-columns:minmax(0,300px) 1fr;align-items:center;}
.scene-wide .scene-media{aspect-ratio:4/3;height:100%;}
.scene-wide .scene-body{padding:30px 34px;}

/* ============ 时间线 ============ */
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));}
.tl-item{position:relative;padding:38px 18px 0 0;}
.tl-item::after{
  content:"";
  position:absolute;
  left:22px;right:14px;top:11px;
  height:2px;
  background:linear-gradient(90deg,rgba(0,230,168,.5),rgba(0,230,168,.08));
}
.tl-item:last-child::after{display:none;}
.tl-dot{
  position:absolute;
  left:0;top:4px;
  width:16px;height:16px;
  border-radius:50%;
  background:var(--bg);
  border:2px solid var(--neon);
  box-shadow:0 0 12px rgba(0,230,168,.6);
}
.tl-item h4{font-size:17px;font-weight:600;margin-bottom:8px;}
.tl-item p{font-size:14px;color:var(--text-2);}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:var(--line-2);box-shadow:var(--shadow);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:62px;
  padding:18px 24px;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:16px;
  font-weight:600;
  text-align:left;
  cursor:pointer;
  transition:color .22s ease;
}
.faq-q:hover{color:var(--neon);}
.faq-icon{position:relative;flex:0 0 22px;width:22px;height:22px;}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  transform:translate(-50%,-50%);
  background:var(--neon);
  border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.faq-a{
  position:relative;
  padding:0 24px 22px 46px;
  font-size:15px;
  color:var(--text-2);
}
.faq-a::before{
  content:"";
  position:absolute;
  left:24px;top:4px;bottom:12px;
  width:2px;
  background:linear-gradient(180deg,var(--neon),rgba(0,230,168,.12));
  opacity:0;
  transition:opacity .25s ease;
}
.collapse.show .faq-a::before{opacity:1;}

/* ============ 开通表单区 ============ */
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  padding:48px;
  background:
    radial-gradient(80% 120% at 100% 0%,rgba(0,230,168,.16),transparent 55%),
    linear-gradient(180deg,#0F151B,#0B1016);
}
.cta-panel::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(0,230,168,.12) 1px,transparent 1px);
  background-size:20px 20px;
  opacity:.45;
  pointer-events:none;
}
.cta-panel > *{position:relative;z-index:2;}
.cta-panel h2{font-size:clamp(24px,3vw,30px);margin-bottom:14px;}
.cta-panel .lead-text{font-size:15.5px;color:var(--text-2);margin-bottom:22px;}
.cta-points li{
  position:relative;
  padding-left:26px;
  margin-bottom:12px;
  font-size:15px;
  color:var(--text-2);
}
.cta-points li::before{
  content:"";
  position:absolute;
  left:0;top:8px;
  width:9px;height:9px;
  border-radius:3px;
  background:linear-gradient(135deg,var(--neon),rgba(0,230,168,.35));
  box-shadow:0 0 10px rgba(0,230,168,.55);
}

.apply-form{
  background:rgba(15,21,27,.94);
  border:1px solid var(--line);
  border-radius:20px;
  padding:28px;
  box-shadow:var(--shadow);
}
.form-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-group{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
.form-group label{font-size:14px;color:var(--text-2);}
.form-control,.form-select{
  width:100%;
  padding:12px 14px;
  border:1px solid rgba(0,230,168,.22);
  border-radius:var(--radius-sm);
  background:#0F151B;
  color:var(--text);
  font-size:15px;
  font-family:inherit;
  line-height:1.5;
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-control::placeholder{color:#5C6F6C;}
.form-control:focus,.form-select:focus{
  border-color:var(--neon);
  background:#0F151B;
  color:var(--text);
  box-shadow:0 0 0 3px rgba(0,230,168,.15);
}
.form-select option{background:#0F151B;color:var(--text);}
textarea.form-control{min-height:96px;resize:vertical;}
.form-note{margin-top:14px;font-size:13px;color:var(--text-3);}
.form-feedback{margin-top:14px;font-size:14px;display:none;}
.form-feedback.is-ok{display:block;color:var(--neon);}
.form-feedback.is-err{display:block;color:var(--magenta);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:0;
  padding:64px 0 28px;
  background:#080C0F;
  border-top:1px solid var(--line);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:350px;}
.footer-col h4{
  position:relative;
  padding-left:13px;
  font-size:15px;
  font-weight:600;
  margin-bottom:18px;
}
.footer-col h4::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:3px;height:14px;
  border-radius:2px;
  background:var(--neon);
  box-shadow:0 0 8px rgba(0,230,168,.6);
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:var(--text-2);}
.footer-col ul li a:hover{color:var(--neon);}
.contact-line{font-size:14px;color:var(--text-2);margin-bottom:10px;}
.contact-line b{color:var(--neon);font-weight:600;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  margin-top:52px;
  padding-top:22px;
  border-top:1px solid rgba(0,230,168,.1);
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom a{color:var(--text-2);}
.footer-bottom a:hover{color:var(--neon);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .container{max-width:1140px;}
}
@media (max-width:991.98px){
  .header-inner{height:56px;}
  .section{padding:60px 0;}
  .section-tight{padding:44px 0;}
  .side-stack{position:static;margin-top:8px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .timeline{grid-template-columns:1fr 1fr;gap:26px 0;}
  .timeline .tl-item:nth-child(2)::after{display:none;}
  .scene-wide{grid-template-columns:1fr;}
  .scene-wide .scene-media{aspect-ratio:16/9;}
  .scene-wide .scene-body{padding:24px;}
}
@media (max-width:767.98px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .section-tight{padding:36px 0;}
  .page-hero-inner{padding:44px 0 40px;}
  .hero-sub{font-size:15.5px;}
  .sec-head{margin-bottom:32px;}
  .quick-strip{gap:16px;padding:20px;}
  .quick-divider{display:none;}
  .quick-item{min-width:120px;}
  .form-grid-2{grid-template-columns:1fr;}
  .cta-panel{padding:28px 20px;border-radius:18px;}
  .apply-form{padding:20px;}
  .timeline{grid-template-columns:1fr;gap:0;}
  .tl-item{padding:34px 0 0;}
  .tl-item::after{display:none;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-brand p{max-width:none;}
  .faq-q{padding:16px 18px;font-size:15.5px;}
  .faq-a{padding:0 18px 20px 40px;}
  .faq-a::before{left:18px;}
  .flow-item{gap:16px;}
  .flow-num{flex:0 0 50px;width:50px;height:50px;border-radius:15px;font-size:17px;}
  .flow-item:not(:last-child)::before{left:24px;top:56px;}
  .flow-body h3{font-size:18px;}
}