/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --bg-0:#070C16;
  --bg-1:#0A1020;
  --cyan:#2DE2C5;
  --blue:#4F8CFF;
  --gold:#F5C451;
  --text:#F2F7FF;
  --text-2:#A9B7CC;
  --text-3:#6F7F99;
  --glass:rgba(255,255,255,.06);
  --glass-2:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.12);
  --line-soft:rgba(255,255,255,.07);
  --r-card:22px;
  --r-sm:14px;
  --r-pill:999px;
  --shadow:0 20px 60px rgba(0,0,0,.35);
  --glow:0 0 24px rgba(45,226,197,.35);
  --wrap:1240px;

  --bs-body-bg:#070C16;
  --bs-body-color:#F2F7FF;
  --bs-primary:#2DE2C5;
  --bs-border-color:rgba(255,255,255,.12);
  --bs-border-radius:16px;
  --bs-link-color:#4F8CFF;
  --bs-link-hover-color:#2DE2C5;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

/* ============ 基础 ============ */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(circle at 18% -10%, rgba(45,226,197,.16), transparent 55%),
    radial-gradient(circle at 88% 4%, rgba(79,140,255,.18), transparent 52%),
    linear-gradient(180deg,#070C16 0%, #0A1020 48%, #070C16 100%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 18%, #000 0%, transparent 78%);
  mask-image:radial-gradient(circle at 50% 18%, #000 0%, transparent 78%);
}
img{max-width:100%;display:block}
a{text-decoration:none;color:var(--blue);transition:color .22s ease}
a:hover{color:var(--cyan)}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.section{padding:104px 0;position:relative}
.section-tight{padding:80px 0}

/* ============ 浮动 Dock 导航 ============ */
.dock-outer{position:fixed;top:18px;left:0;right:0;z-index:1040;padding:0 16px}
.dock{
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;gap:16px;
  padding:10px 12px 10px 18px;
  background:rgba(10,16,32,.74);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  box-shadow:0 18px 50px rgba(0,0,0,.45);
  position:relative;
}
.dock-brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg, rgba(45,226,197,.9), rgba(79,140,255,.85));
  color:#04121A;font-size:.95rem;
  box-shadow:0 0 18px rgba(45,226,197,.4);
}
.brand-text{color:var(--text);font-weight:750;font-size:.98rem;letter-spacing:.02em;white-space:nowrap}
.brand-text:hover{color:var(--cyan)}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1}
.dock-link{
  padding:8px 14px;border-radius:var(--r-pill);
  color:var(--text-2);font-size:.92rem;font-weight:500;
  white-space:nowrap;transition:background .22s ease,color .22s ease;
}
.dock-link:hover{color:var(--text);background:rgba(255,255,255,.06)}
.dock-link.active{color:var(--cyan);background:rgba(45,226,197,.12);box-shadow:inset 0 0 0 1px rgba(45,226,197,.28)}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-dock-ghost{
  padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text-2);font-size:.88rem;font-weight:600;white-space:nowrap;
  transition:.22s ease;
}
.btn-dock-ghost:hover{color:var(--cyan);border-color:rgba(45,226,197,.45);background:rgba(45,226,197,.08)}
.btn-dock-glow{
  padding:9px 18px;border-radius:var(--r-pill);
  background:linear-gradient(135deg,#2DE2C5,#57D9FF);
  color:#04121A;font-size:.88rem;font-weight:700;white-space:nowrap;
  box-shadow:0 0 18px rgba(45,226,197,.35);
  transition:transform .2s ease,box-shadow .25s ease,filter .25s ease;
}
.btn-dock-glow:hover{color:#04121A;transform:translateY(-2px);filter:brightness(1.07);box-shadow:0 0 28px rgba(45,226,197,.55)}
.btn-dock-glow:active{transform:translateY(0)}
.dock-toggle{
  display:none;margin-left:auto;
  width:42px;height:42px;border-radius:14px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);
  color:var(--text);font-size:1rem;
}

/* ============ 通用按钮 ============ */
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:15px 30px;border-radius:var(--r-pill);border:1px solid transparent;
  background:linear-gradient(135deg,#2DE2C5,#54D8FF);
  color:#04121A;font-weight:700;font-size:.98rem;cursor:pointer;
  box-shadow:var(--glow);
  transition:transform .2s ease,box-shadow .25s ease,filter .25s ease;
}
.btn-glow:hover{color:#04121A;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 34px rgba(45,226,197,.55)}
.btn-glow:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:15px 28px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.05);
  color:var(--text);font-weight:600;font-size:.98rem;cursor:pointer;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:.25s ease;
}
.btn-ghost:hover{transform:translateY(-2px);color:var(--cyan);border-color:rgba(45,226,197,.5);background:rgba(45,226,197,.08)}
.btn-ghost:active{transform:translateY(0)}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--cyan);font-weight:600;font-size:.94rem;
}
.link-arrow i{transition:transform .25s ease}
.link-arrow:hover i{transform:translateX(4px)}

/* ============ 首屏 Hero ============ */
.hero{position:relative;padding:170px 0 100px;min-height:86vh;display:flex;align-items:center;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:0;overflow:hidden}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.24}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,#070C16 18%, rgba(7,12,22,.72) 55%, rgba(7,12,22,.35) 100%);
}
.hero .wrap{position:relative;z-index:2;width:100%}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  border:1px solid rgba(45,226,197,.3);background:rgba(45,226,197,.08);
  color:var(--cyan);font-size:.82rem;letter-spacing:.06em;margin-bottom:26px;
}
.hero-title{
  font-size:clamp(2.3rem,4.9vw,4.1rem);
  line-height:1.14;font-weight:800;letter-spacing:-.025em;
  margin-bottom:22px;
}
.hero-sub{color:var(--text-2);font-size:1.06rem;line-height:1.85;max-width:600px;margin-bottom:34px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px}
.hero-meta li{display:flex;align-items:center;gap:9px;color:var(--text-3);font-size:.88rem}
.dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(45,226,197,.8);flex-shrink:0}

.hero-panel{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:26px;
  padding:20px;
  backdrop-filter:blur(22px);
  -webkit-backdrop-filter:blur(22px);
  box-shadow:var(--shadow),0 0 0 1px rgba(45,226,197,.08);
}
.hero-panel-head{
  display:flex;align-items:center;gap:10px;
  font-size:.86rem;color:var(--text-2);margin-bottom:16px;
}
.pulse{
  width:8px;height:8px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 0 rgba(45,226,197,.6);
  animation:pulse 2.4s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(45,226,197,.55)}
  70%{box-shadow:0 0 0 12px rgba(45,226,197,0)}
  100%{box-shadow:0 0 0 0 rgba(45,226,197,0)}
}
.head-badge{
  margin-left:auto;font-size:.74rem;padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(245,196,81,.12);color:var(--gold);border:1px solid rgba(245,196,81,.28);
}
.hero-panel-img{border-radius:18px;overflow:hidden;border:1px solid var(--line-soft);margin-bottom:18px}
.hero-panel-img img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.85}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.hero-stat{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-soft);
  border-radius:16px;padding:14px 12px;text-align:center;
}
.hero-stat strong{
  display:block;font-size:1.6rem;font-weight:750;color:var(--cyan);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.2;
}
.hero-stat strong em{font-style:normal;font-size:.85rem;color:var(--gold);margin-left:2px}
.hero-stat span{font-size:.78rem;color:var(--text-3)}

/* ============ 区块标题 ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap;margin-bottom:52px}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:.78rem;letter-spacing:.18em;color:var(--cyan);
  margin-bottom:14px;text-transform:uppercase;
}
.sec-eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent)}
.sec-title{font-size:clamp(1.7rem,3vw,2.45rem);line-height:1.26;margin-bottom:14px}
.sec-sub{color:var(--text-2);max-width:660px;font-size:1rem;line-height:1.85}
.sec-note{color:var(--text-3);font-size:.9rem}
.sec-head-right{display:flex;gap:12px;align-items:center;flex-shrink:0}

/* ============ 痛点卡 ============ */
.pain-card{
  height:100%;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:30px 26px;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
  transition:transform .28s ease,border-color .28s ease;
  position:relative;overflow:hidden;
}
.pain-card::after{
  content:"";position:absolute;left:0;top:0;width:100%;height:2px;
  background:linear-gradient(90deg,var(--cyan),transparent);opacity:.7;
}
.pain-card:hover{transform:translateY(-4px);border-color:rgba(45,226,197,.4)}
.pain-num{
  display:inline-block;font-size:.82rem;font-weight:700;letter-spacing:.1em;
  color:var(--gold);margin-bottom:16px;
}
.pain-card h3{font-size:1.22rem;font-weight:650;margin-bottom:12px}
.pain-card p{color:var(--text-2);font-size:.94rem;line-height:1.8}
.pain-card.offset-1{margin-top:0}
.pain-card.offset-2{margin-top:26px}

/* ============ 解决方案 ============ */
.sol-main{
  height:100%;display:flex;flex-direction:column;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:26px;overflow:hidden;
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  box-shadow:var(--shadow);
  transition:transform .3s ease,border-color .3s ease;
}
.sol-main:hover{transform:translateY(-4px);border-color:rgba(45,226,197,.42)}
.sol-main-media{position:relative;aspect-ratio:16/8;overflow:hidden}
.sol-main-media img{width:100%;height:100%;object-fit:cover;opacity:.8}
.sol-main-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,12,22,.1),rgba(7,12,22,.85))}
.sol-main-body{padding:30px 30px 34px}
.sol-main-body h3{font-size:1.5rem;font-weight:700;margin:16px 0 12px}
.sol-main-body p{color:var(--text-2);font-size:.96rem;line-height:1.85;margin-bottom:22px}
.badge-soft{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:.78rem;font-weight:600;
  background:rgba(79,140,255,.12);color:#9CC2FF;border:1px solid rgba(79,140,255,.3);
}
.badge-soft.is-cyan{background:rgba(45,226,197,.12);color:var(--cyan);border-color:rgba(45,226,197,.3)}
.badge-soft.is-gold{background:rgba(245,196,81,.12);color:var(--gold);border-color:rgba(245,196,81,.3)}
.sol-stack{display:flex;flex-direction:column;gap:24px;height:100%}
.sol-mini{
  flex:1;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
  transition:transform .28s ease,border-color .28s ease;
  display:flex;flex-direction:column;
}
.sol-mini:hover{transform:translateY(-4px);border-color:rgba(45,226,197,.42)}
.sol-mini h3{font-size:1.24rem;font-weight:650;margin:14px 0 10px}
.sol-mini p{color:var(--text-2);font-size:.93rem;line-height:1.8;margin-bottom:18px}
.sol-mini .link-arrow{margin-top:auto}

/* ============ 成果数据 ============ */
.stat-card{
  height:100%;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:30px 24px;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
  transition:transform .28s ease,border-color .28s ease;
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(45,226,197,.42)}
.stat-card strong{
  display:block;font-size:clamp(2rem,4vw,2.7rem);font-weight:780;
  letter-spacing:-.03em;line-height:1.1;color:var(--cyan);
  font-variant-numeric:tabular-nums;
}
.stat-card strong em{font-style:normal;font-size:1rem;color:var(--gold);margin-left:3px}
.stat-card h3{font-size:1rem;font-weight:650;margin:12px 0 8px;color:var(--text)}
.stat-card p{font-size:.86rem;color:var(--text-3);line-height:1.75}
.stat-bar{height:4px;border-radius:4px;background:rgba(255,255,255,.08);margin-top:18px;overflow:hidden}
.stat-bar i{display:block;height:100%;border-radius:4px;background:linear-gradient(90deg,var(--cyan),rgba(45,226,197,.25))}

/* ============ 客户证言 ============ */
.quote-card{
  height:100%;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:30px 26px;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
  display:flex;flex-direction:column;
  transition:transform .28s ease,border-color .28s ease;
}
.quote-card:hover{transform:translateY(-4px);border-color:rgba(45,226,197,.42)}
.quote-mark{font-size:1.6rem;color:rgba(45,226,197,.5);margin-bottom:14px}
.quote-card p{color:var(--text-2);font-size:.96rem;line-height:1.85;margin-bottom:24px}
.quote-user{display:flex;align-items:center;gap:13px;margin-top:auto}
.quote-avatar{
  width:44px;height:44px;border-radius:50%;flex-shrink:0;
  display:grid;place-items:center;font-weight:700;font-size:.9rem;color:#04121A;
  background:linear-gradient(135deg,#2DE2C5,#4F8CFF);
}
.quote-user strong{display:block;font-size:.94rem;font-weight:650}
.quote-user span{font-size:.8rem;color:var(--text-3)}

/* ============ 最新信息 ============ */
.news-card{
  height:100%;display:flex;flex-direction:column;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(45,226,197,.45);box-shadow:0 24px 64px rgba(0,0,0,.45),0 0 0 1px rgba(45,226,197,.16)}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:rgba(255,255,255,.03)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;opacity:.88}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.news-body .badge-soft{align-self:flex-start;margin-bottom:14px}
.news-title{font-size:1.1rem;font-weight:650;line-height:1.55;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a{color:var(--text)}
.news-title a:hover{color:var(--cyan)}
.news-desc{color:var(--text-2);font-size:.9rem;line-height:1.78;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;
  padding-top:16px;border-top:1px solid var(--line-soft)}
.news-foot time{font-size:.82rem;color:var(--text-3);font-variant-numeric:tabular-nums}
.news-arrow{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);font-size:.8rem;transition:.25s ease}
.news-arrow:hover{color:#04121A;background:var(--cyan);border-color:var(--cyan);box-shadow:var(--glow)}
.empty-box{
  text-align:center;padding:64px 24px;border-radius:var(--r-card);
  border:1px dashed rgba(255,255,255,.16);background:rgba(255,255,255,.03);
  color:var(--text-3);font-size:.98rem;
}

/* ============ FAQ ============ */
.faq-accordion .accordion-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:18px !important;
  margin-bottom:14px;
  overflow:hidden;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:border-color .28s ease;
}
.faq-accordion .accordion-item:hover{border-color:rgba(45,226,197,.32)}
.faq-accordion .accordion-button{
  background:transparent;color:var(--text);
  font-weight:650;font-size:1.02rem;line-height:1.6;
  padding:21px 26px;box-shadow:none;position:relative;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--cyan);background:rgba(45,226,197,.06)}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:none;border-color:transparent}
.faq-accordion .accordion-button::before{
  content:"";position:absolute;left:0;top:16%;bottom:16%;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--cyan),rgba(45,226,197,0));
  opacity:0;transition:opacity .3s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::before{opacity:1}
.faq-accordion .accordion-button::after{
  width:11px;height:11px;background-image:none;
  border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);
  transform:rotate(45deg);transition:transform .3s ease,border-color .3s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--cyan)}
.faq-accordion .accordion-body{
  color:var(--text-2);font-size:.95rem;line-height:1.9;
  padding:4px 26px 24px;
}

/* ============ 最终 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg, rgba(45,226,197,.12), rgba(79,140,255,.1) 55%, rgba(255,255,255,.03));
  border:1px solid rgba(45,226,197,.24);
  border-radius:28px;
  padding:54px 48px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-90px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle, rgba(45,226,197,.28), transparent 68%);
  pointer-events:none;
}
.cta-band-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(1.6rem,2.8vw,2.25rem);line-height:1.3;margin-bottom:14px}
.cta-band p{color:var(--text-2);max-width:620px;font-size:.98rem;line-height:1.85}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0));
  padding:72px 0 30px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:44px;margin-bottom:52px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:11px}
.footer-brand span{font-weight:750;font-size:1rem;color:var(--text)}
.footer-desc{color:var(--text-3);font-size:.9rem;line-height:1.85;max-width:330px}
.footer-col h4{font-size:.95rem;font-weight:650;margin-bottom:20px;color:var(--text)}
.footer-col li{margin-bottom:12px}
.footer-col a{color:var(--text-3);font-size:.9rem;transition:color .22s ease,padding-left .22s ease}
.footer-col a:hover{color:var(--cyan);padding-left:4px}
.footer-col p{color:var(--text-3);font-size:.9rem;line-height:1.9}
.footer-bottom{
  border-top:1px solid var(--line-soft);
  padding-top:26px;display:flex;align-items:center;justify-content:space-between;
  gap:18px;flex-wrap:wrap;
}
.footer-bottom p{color:var(--text-3);font-size:.84rem}
.footer-tags{display:flex;gap:10px;flex-wrap:wrap}
.footer-tags span{
  font-size:.76rem;color:var(--text-3);
  padding:4px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line-soft);background:rgba(255,255,255,.03);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .dock-menu{margin-left:0}
  .dock-link{padding:8px 11px;font-size:.88rem}
}
@media (max-width:991.98px){
  .dock{border-radius:24px;flex-wrap:wrap;padding:10px 12px}
  .dock-toggle{display:grid;place-items:center}
  .dock-menu{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;
    background:rgba(10,16,32,.96);
    border:1px solid var(--line);border-radius:22px;
    padding:14px;margin:0;
    backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
    box-shadow:0 24px 60px rgba(0,0,0,.55);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .24s ease,transform .24s ease,visibility .24s ease;
  }
  .dock-menu.open{opacity:1;visibility:visible;transform:translateY(0)}
  .dock-link{padding:12px 16px;border-radius:14px;font-size:.95rem}
  .dock-actions{display:none}
  .hero{padding:140px 0 80px;min-height:auto}
  .hero-panel{margin-top:16px}
  .section{padding:78px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-band{padding:42px 30px}
}
@media (max-width:767.98px){
  .wrap{padding:0 18px}
  .hero{padding:124px 0 64px}
  .hero-sub{font-size:1rem}
  .hero-cta .btn-glow,.hero-cta .btn-ghost{width:100%}
  .hero-meta{gap:14px 20px}
  .section{padding:62px 0}
  .sec-head{margin-bottom:36px}
  .stat-card{padding:24px 20px}
  .cta-band-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn-glow,.cta-actions .btn-ghost{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-accordion .accordion-button{padding:18px 20px;font-size:.96rem}
  .faq-accordion .accordion-body{padding:0 20px 20px}
}
@media (max-width:520px){
  .brand-text{font-size:.9rem}
  .hero-title{font-size:clamp(1.95rem,8vw,2.6rem)}
  .hero-stats{grid-template-columns:1fr;gap:10px}
  .hero-stat{display:flex;align-items:center;justify-content:space-between;text-align:left;padding:12px 16px}
  .hero-stat strong{font-size:1.35rem}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
}

/* roulang page: article */
:root{
  --bg:#070C16;
  --bg-2:#0A1020;
  --panel:rgba(255,255,255,.06);
  --panel-soft:rgba(255,255,255,.035);
  --brd:rgba(255,255,255,.12);
  --brd-hi:rgba(45,226,197,.42);
  --cyan:#2DE2C5;
  --blue:#4F8CFF;
  --gold:#F5C451;
  --text:#F2F7FF;
  --muted:#A9B7CC;
  --dim:#6F7F99;
  --r-card:22px;
  --r-img:18px;
  --r-pill:999px;
  --shadow:0 20px 60px rgba(0,0,0,.35);
  --glow:0 0 24px rgba(45,226,197,.35);
  --wrap:1200px;
  --bs-body-bg:#070C16;
  --bs-body-color:#F2F7FF;
  --bs-primary:#2DE2C5;
  --bs-border-color:rgba(255,255,255,.12);
  --bs-border-radius:14px;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(900px 520px at 12% -8%,rgba(45,226,197,.16),transparent 60%),
    radial-gradient(760px 520px at 92% 2%,rgba(79,140,255,.14),transparent 62%),
    linear-gradient(180deg,#070C16 0%,#0A1020 55%,#070C16 100%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 78%);
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 78%);
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--blue);text-decoration:none;transition:color .25s ease,background-color .25s ease,border-color .25s ease,box-shadow .25s ease,transform .25s ease;}
a:hover{color:var(--cyan);}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.progress{position:fixed;top:0;left:0;height:2px;width:0;background:linear-gradient(90deg,var(--cyan),var(--blue));box-shadow:var(--glow);z-index:1060;}

/* ============ Dock 导航 ============ */
.dock-wrap{
  position:fixed;top:18px;left:0;right:0;z-index:1040;
  display:flex;justify-content:center;padding:0 16px;pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:min(1180px,100%);
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 16px;
  border-radius:var(--r-pill);
  background:rgba(10,16,32,.74);
  border:1px solid var(--brd);
  box-shadow:0 18px 50px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.06);
  -webkit-backdrop-filter:blur(20px) saturate(140%);
  backdrop-filter:blur(20px) saturate(140%);
}
.dock-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.dock-brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(45,226,197,.95),rgba(79,140,255,.85));
  color:#04120F;font-size:15px;box-shadow:var(--glow);
}
.brand-text{font-weight:700;font-size:16px;letter-spacing:.01em;}
.dock-menu{flex:1 1 auto;display:flex;align-items:center;justify-content:center;gap:6px;}
.dock-link{
  display:inline-flex;align-items:center;
  padding:9px 16px;border-radius:var(--r-pill);
  font-size:15px;color:var(--muted);white-space:nowrap;
  border:1px solid transparent;
}
.dock-link:hover{color:var(--text);background:rgba(255,255,255,.06);}
.dock-link.active{
  color:var(--cyan);
  background:rgba(45,226,197,.12);
  border-color:rgba(45,226,197,.35);
  box-shadow:0 0 18px rgba(45,226,197,.18);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.btn-dock-ghost,.btn-dock-glow{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:42px;padding:0 18px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;white-space:nowrap;cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background-color .25s ease,color .25s ease;
}
.btn-dock-ghost{
  color:var(--muted);background:rgba(255,255,255,.04);border:1px solid var(--brd);
}
.btn-dock-ghost:hover{color:var(--text);border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.08);transform:translateY(-2px);}
.btn-dock-glow{
  color:#04120F;border:1px solid rgba(45,226,197,.6);
  background:linear-gradient(135deg,#2DE2C5,#59F0D4);
  box-shadow:var(--glow);
}
.btn-dock-glow:hover{color:#04120F;transform:translateY(-2px);box-shadow:0 0 30px rgba(45,226,197,.55);}
.btn-dock-glow:active,.btn-dock-ghost:active{transform:translateY(1px);}
.dock-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:14px;
  background:rgba(255,255,255,.05);border:1px solid var(--brd);
  color:var(--text);font-size:17px;
}

/* ============ 通用按钮 ============ */
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:700;color:#04120F;
  background:linear-gradient(135deg,#2DE2C5,#5BF2D8);
  border:1px solid rgba(45,226,197,.6);
  box-shadow:var(--glow);cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,filter .25s ease;
}
.btn-glow:hover{color:#04120F;transform:translateY(-2px);box-shadow:0 0 32px rgba(45,226,197,.55);filter:brightness(1.05);}
.btn-glow:active{transform:translateY(1px);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:600;color:var(--text);
  background:rgba(255,255,255,.04);border:1px solid var(--brd);cursor:pointer;
  transition:transform .2s ease,border-color .25s ease,background-color .25s ease,color .25s ease;
}
.btn-ghost:hover{color:var(--text);border-color:var(--brd-hi);background:rgba(45,226,197,.08);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}

/* ============ 页面主体 ============ */
.main{padding:132px 0 0;}

.page-head{position:relative;padding:22px 0 44px;overflow:hidden;}
.page-head::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    linear-gradient(180deg,rgba(7,12,22,.72),rgba(7,12,22,.94) 70%,rgba(7,12,22,1)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.55;
}
.page-head .wrap{position:relative;z-index:1;}

.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--dim);margin-bottom:22px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--cyan);}
.crumb .sep{color:rgba(255,255,255,.22);}
.crumb .now{color:var(--text);}

.badge-cat{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 15px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;color:var(--cyan);
  background:rgba(45,226,197,.1);border:1px solid rgba(45,226,197,.35);
  box-shadow:0 0 18px rgba(45,226,197,.14);
}
.article-title{
  font-size:clamp(1.9rem,3.6vw,2.9rem);
  line-height:1.28;font-weight:800;letter-spacing:-.02em;
  margin:18px 0 16px;max-width:920px;
}
.article-lead{color:var(--muted);font-size:1.03rem;line-height:1.85;max-width:820px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:24px;font-size:14px;color:var(--dim);}
.article-meta span{display:inline-flex;align-items:center;gap:8px;}
.article-meta i{color:var(--cyan);font-size:13px;}

/* ============ 正文 + 侧栏 ============ */
.article-body{padding:22px 0 84px;}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 318px;gap:52px;align-items:start;}

.prose{
  font-size:18px;line-height:1.9;color:#E3ECF9;
  max-width:820px;min-width:0;
}
.prose > *:first-child{margin-top:0;}
.prose h2{
  position:relative;padding-left:20px;
  font-size:clamp(1.4rem,2.2vw,1.8rem);line-height:1.4;
  margin:2.6em 0 .9em;scroll-margin-top:120px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.32em;bottom:.32em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--cyan),rgba(45,226,197,.05));
  box-shadow:var(--glow);
}
.prose h3{font-size:1.26rem;font-weight:650;margin:1.9em 0 .7em;scroll-margin-top:120px;}
.prose h4{font-size:1.08rem;font-weight:650;margin:1.6em 0 .6em;color:var(--muted);}
.prose p{margin:0 0 1.25em;}
.prose ul,.prose ol{margin:0 0 1.35em;padding-left:1.35em;}
.prose li{margin:.5em 0;}
.prose ul li::marker{color:var(--cyan);}
.prose ol li::marker{color:var(--blue);font-weight:600;}
.prose blockquote{
  margin:1.7em 0;padding:18px 24px;
  background:var(--panel);border-left:3px solid var(--cyan);
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--muted);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{border-radius:var(--r-img);margin:1.7em 0;border:1px solid var(--brd);box-shadow:var(--shadow);}
.prose figure{margin:1.7em 0;}
.prose figcaption{font-size:13.5px;color:var(--dim);text-align:center;margin-top:10px;}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(45,226,197,.35);}
.prose a:hover{color:#7CFBE4;border-bottom-color:#7CFBE4;}
.prose strong{color:#FFFFFF;font-weight:700;}
.prose hr{border:none;border-top:1px solid var(--brd);margin:2.4em 0;}
.prose table{
  display:block;width:100%;overflow-x:auto;
  border-collapse:collapse;font-size:15px;margin:1.6em 0;
  border:1px solid var(--brd);border-radius:14px;
}
.prose th,.prose td{border:1px solid var(--brd);padding:11px 15px;text-align:left;white-space:nowrap;}
.prose th{background:rgba(255,255,255,.05);color:var(--text);font-weight:650;}
.prose td{color:var(--muted);}
.prose code{
  background:rgba(79,140,255,.14);color:#BFD8FF;
  padding:2px 7px;border-radius:8px;font-size:.9em;
}
.prose pre{
  background:rgba(4,8,16,.85);border:1px solid var(--brd);
  border-radius:16px;padding:18px 20px;overflow-x:auto;margin:1.6em 0;
}
.prose pre code{background:none;padding:0;color:#D6E4FF;font-size:14px;}

.empty-state{
  background:var(--panel);border:1px solid var(--brd);
  border-radius:var(--r-card);padding:44px 32px;text-align:center;
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  box-shadow:var(--shadow);
}
.empty-state h2{font-size:1.4rem;margin-bottom:12px;}
.empty-state p{color:var(--muted);margin-bottom:24px;}

/* 侧栏 */
.side{position:sticky;top:118px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--panel);border:1px solid var(--brd);border-radius:var(--r-card);
  padding:22px 20px;
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  box-shadow:var(--shadow);
}
.side-card h2{font-size:1.02rem;font-weight:650;margin-bottom:14px;display:flex;align-items:center;gap:9px;}
.side-card h2 i{color:var(--cyan);font-size:13px;}
#tocList{list-style:none;border-left:1px solid rgba(255,255,255,.12);}
#tocList li a{
  display:block;padding:7px 0 7px 15px;margin-left:-1px;
  font-size:14px;color:var(--muted);border-left:2px solid transparent;
  line-height:1.6;
}
#tocList li a:hover{color:var(--text);}
#tocList li a.active{color:var(--cyan);border-left-color:var(--cyan);}
.side-links{display:flex;flex-direction:column;gap:10px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px;border-radius:14px;font-size:14.5px;color:var(--muted);
  background:rgba(255,255,255,.04);border:1px solid var(--brd);
}
.side-links a:hover{color:var(--cyan);border-color:var(--brd-hi);background:rgba(45,226,197,.08);transform:translateX(2px);}
.side-links a i{font-size:12px;color:var(--dim);}
.side-cta p{font-size:14px;color:var(--muted);margin-bottom:16px;}
.side-cta .btn-glow,.side-cta .btn-ghost{width:100%;min-height:44px;font-size:14.5px;padding:0 18px;}

/* ============ 相关推荐 ============ */
.related{padding:0 0 84px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;}
.section-head h2{font-size:clamp(1.5rem,2.4vw,2rem);}
.section-head p{color:var(--dim);font-size:14.5px;margin-top:8px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rec-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--panel);border:1px solid var(--brd);border-radius:var(--r-card);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  box-shadow:var(--shadow);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.rec-card:hover{transform:translateY(-4px);border-color:var(--brd-hi);box-shadow:0 24px 64px rgba(0,0,0,.45),0 0 26px rgba(45,226,197,.16);}
.rec-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.rec-card:hover .rec-thumb img{transform:scale(1.05);}
.rec-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.rec-body h3{font-size:1.12rem;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-body p{font-size:14.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:13.5px;color:var(--dim);}
.rec-foot i{color:var(--cyan);}
.tag{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:var(--r-pill);
  font-size:12.5px;color:var(--blue);background:rgba(79,140,255,.12);border:1px solid rgba(79,140,255,.3);
}

/* ============ CTA ============ */
.cta-band{padding:0 0 96px;}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;
  padding:38px 40px;border-radius:28px;
  background:linear-gradient(120deg,rgba(45,226,197,.12),rgba(79,140,255,.08) 55%,rgba(255,255,255,.03));
  border:1px solid var(--brd);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  box-shadow:var(--shadow);
}
.cta-inner h2{font-size:clamp(1.4rem,2.4vw,1.95rem);margin-bottom:10px;}
.cta-inner p{color:var(--muted);font-size:15px;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid var(--brd);
  background:linear-gradient(180deg,rgba(10,16,32,.6),rgba(7,12,22,.95));
  padding:64px 0 30px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;margin-bottom:16px;}
.footer-desc{color:var(--muted);font-size:14.5px;line-height:1.85;max-width:400px;}
.footer-col h4{font-size:15px;font-weight:650;margin-bottom:16px;color:var(--text);}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:var(--muted);font-size:14.5px;}
.footer-col a:hover{color:var(--cyan);}
.footer-col p{color:var(--muted);font-size:14px;line-height:1.8;margin-bottom:10px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13.5px;color:var(--dim);}
.footer-tags{display:flex;gap:10px;flex-wrap:wrap;}
.footer-tags span{
  font-size:12.5px;color:var(--dim);
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.04);border:1px solid var(--brd);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-grid{grid-template-columns:minmax(0,1fr) 290px;gap:38px;}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:34px;}
  .footer-grid > div:last-child{grid-column:1 / -1;}
}
@media (max-width:992px){
  .dock{flex-wrap:wrap;border-radius:24px;gap:12px;}
  .dock-toggle{display:grid;place-items:center;}
  .dock-menu{
    order:3;width:100%;display:none;flex-direction:column;align-items:stretch;
    gap:4px;padding-top:10px;border-top:1px solid rgba(255,255,255,.1);margin-top:2px;
  }
  .dock-menu.open{display:flex;}
  .dock-link{justify-content:flex-start;padding:12px 14px;}
  .dock-actions{display:none;}
  .dock-menu.open ~ .dock-actions{display:none;}
  .main{padding-top:118px;}
  .article-grid{grid-template-columns:1fr;gap:34px;}
  .side{position:static;}
  .prose{max-width:100%;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .related-grid > *:last-child{grid-column:1 / -1;}
  .cta-inner{padding:30px 26px;flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  .wrap{padding:0 18px;}
  .page-head{padding:18px 0 34px;}
  .article-title{font-size:1.68rem;line-height:1.35;}
  .article-lead{font-size:.97rem;}
  .prose{font-size:16.5px;line-height:1.85;}
  .prose h2{font-size:1.32rem;padding-left:16px;}
  .prose h3{font-size:1.14rem;}
  .related-grid{grid-template-columns:1fr;}
  .related-grid > *:last-child{grid-column:auto;}
  .related{padding-bottom:64px;}
  .article-body{padding-bottom:64px;}
  .cta-band{padding-bottom:72px;}
  .site-footer{padding-top:48px;}
}
@media (max-width:576px){
  .brand-text{font-size:15px;}
  .article-meta{gap:14px;font-size:13px;}
  .dock-wrap{top:12px;padding:0 12px;}
  .main{padding-top:106px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-glow,.cta-actions .btn-ghost{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-grid > div:last-child{grid-column:auto;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
    --ink-900:#070C16;
    --ink-800:#0A1020;
    --ink-700:#0F172A;
    --brand:#2DE2C5;
    --brand-deep:#12B79E;
    --brand-soft:rgba(45,226,197,.14);
    --brand-line:rgba(45,226,197,.38);
    --blue:#4F8CFF;
    --blue-soft:rgba(79,140,255,.14);
    --gold:#F5C451;
    --text:#F2F7FF;
    --text-2:#A9B7CC;
    --text-3:#6F7F99;
    --glass:rgba(255,255,255,.06);
    --glass-2:rgba(255,255,255,.035);
    --line:rgba(255,255,255,.12);
    --line-soft:rgba(255,255,255,.07);
    --r-card:22px;
    --r-sm:14px;
    --r-pill:999px;
    --sh-glass:0 20px 60px rgba(0,0,0,.35);
    --sh-glow:0 0 24px rgba(45,226,197,.35);
    --wrap:1200px;
    --gap:24px;
    --bs-body-bg:#070C16;
    --bs-body-color:#F2F7FF;
    --bs-primary:#2DE2C5;
    --bs-border-color:rgba(255,255,255,.12);
    --bs-border-radius:16px;
    --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  }

  *,*::before,*::after{ box-sizing:border-box; }

  html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

  body{
    margin:0;
    font-family:var(--bs-font-sans-serif);
    color:var(--text);
    background:
      radial-gradient(900px 620px at 80% -10%, rgba(45,226,197,.13), transparent 62%),
      radial-gradient(760px 520px at 10% 4%, rgba(79,140,255,.12), transparent 64%),
      linear-gradient(180deg,var(--ink-900) 0%, var(--ink-800) 100%);
    background-attachment:fixed;
    font-size:17px;
    line-height:1.75;
    padding-top:112px;
    overflow-x:hidden;
  }

  body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    background-image:
      linear-gradient(rgba(255,255,255,.032) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.032) 1px, transparent 1px);
    background-size:56px 56px;
    mask-image:radial-gradient(1200px 700px at 50% 0%, #000 0%, transparent 78%);
    -webkit-mask-image:radial-gradient(1200px 700px at 50% 0%, #000 0%, transparent 78%);
  }

  body::after{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    opacity:.5;
    background-image:radial-gradient(rgba(255,255,255,.045) 1px, transparent 1px);
    background-size:3px 3px;
  }

  main, .site-footer{ position:relative; z-index:2; }

  a{ color:var(--blue); text-decoration:none; transition:color .25s ease, text-shadow .25s ease; }
  a:hover{ color:var(--brand); text-shadow:0 0 14px rgba(45,226,197,.45); }

  img{ max-width:100%; display:block; border-radius:18px; }

  button{ font-family:inherit; }

  h1,h2,h3,h4{ letter-spacing:-.01em; margin:0; }

  h2{ font-size:clamp(1.7rem,2.8vw,2.5rem); font-weight:700; line-height:1.28; }
  h3{ font-size:1.28rem; font-weight:650; line-height:1.4; }
  h4{ font-size:1rem; font-weight:600; }

  p{ margin:0; }

  ul{ margin:0; padding:0; list-style:none; }

  :focus-visible{
    outline:2px solid var(--brand);
    outline-offset:3px;
    border-radius:6px;
  }

  .wrap{
    width:min(var(--wrap), 100% - 48px);
    margin-inline:auto;
  }

  /* ============ 浮动 Dock 导航 ============ */
  .dock{
    position:fixed;
    top:18px;
    left:50%;
    transform:translateX(-50%);
    width:min(1180px, calc(100% - 32px));
    z-index:1000;
    display:flex;
    align-items:center;
    gap:18px;
    padding:10px 14px;
    border-radius:var(--r-pill);
    background:rgba(10,16,32,.72);
    border:1px solid var(--line);
    box-shadow:var(--sh-glass);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
  }

  .dock::after{
    content:"";
    position:absolute;
    inset:0;
    border-radius:inherit;
    pointer-events:none;
    background:linear-gradient(120deg, rgba(255,255,255,.14), transparent 42%);
    opacity:.6;
  }

  .dock-brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:var(--text);
    font-weight:700;
    font-size:1.02rem;
    white-space:nowrap;
    padding-left:6px;
  }
  .dock-brand:hover{ color:var(--text); text-shadow:none; }

  .brand-mark{
    width:34px;
    height:34px;
    display:grid;
    place-items:center;
    border-radius:11px;
    color:var(--ink-900);
    background:linear-gradient(135deg,var(--brand),#7BF5DE);
    box-shadow:0 0 20px rgba(45,226,197,.42);
    font-size:.94rem;
    flex:0 0 auto;
  }

  .dock-menu{
    display:flex;
    align-items:center;
    gap:4px;
    margin-left:8px;
    margin-right:auto;
  }

  .dock-link{
    display:inline-block;
    padding:9px 15px;
    border-radius:var(--r-pill);
    color:var(--text-2);
    font-size:.95rem;
    font-weight:500;
    border:1px solid transparent;
    transition:all .25s ease;
  }
  .dock-link:hover{
    color:var(--text);
    background:rgba(255,255,255,.07);
    border-color:var(--line);
    text-shadow:none;
  }
  .dock-link.active{
    color:var(--brand);
    background:var(--brand-soft);
    border-color:var(--brand-line);
    box-shadow:inset 0 0 18px rgba(45,226,197,.14);
  }

  .dock-actions{
    display:flex;
    align-items:center;
    gap:10px;
  }

  .btn-dock-ghost,
  .btn-dock-glow{
    display:inline-block;
    padding:10px 18px;
    border-radius:var(--r-pill);
    font-size:.93rem;
    font-weight:600;
    white-space:nowrap;
    transition:transform .22s ease, box-shadow .28s ease, background .25s ease, color .25s ease;
  }

  .btn-dock-ghost{
    color:var(--text);
    border:1px solid var(--line);
    background:var(--glass-2);
  }
  .btn-dock-ghost:hover{
    color:var(--text);
    background:rgba(255,255,255,.1);
    border-color:var(--brand-line);
    text-shadow:none;
  }

  .btn-dock-glow{
    color:#04140F;
    background:linear-gradient(135deg,var(--brand),#6DF0D8);
    box-shadow:0 0 22px rgba(45,226,197,.36);
  }
  .btn-dock-glow:hover{
    color:#04140F;
    text-shadow:none;
    transform:translateY(-2px);
    box-shadow:0 0 32px rgba(45,226,197,.55);
  }
  .btn-dock-glow:active{ transform:translateY(0); }

  .dock-toggle{
    margin-left:auto;
    display:none;
    width:42px;
    height:42px;
    border-radius:13px;
    border:1px solid var(--line);
    background:var(--glass-2);
    color:var(--text);
    font-size:1.05rem;
    cursor:pointer;
    transition:background .25s ease, border-color .25s ease;
  }
  .dock-toggle:hover{ background:rgba(255,255,255,.1); border-color:var(--brand-line); }

  /* ============ 通用按钮 ============ */
  .btn-glow,
  .btn-outline-glass{
    display:inline-flex;
    align-items:center;
    gap:9px;
    padding:13px 26px;
    border-radius:var(--r-pill);
    font-size:.98rem;
    font-weight:650;
    cursor:pointer;
    border:1px solid transparent;
    transition:transform .22s ease, box-shadow .28s ease, background .25s ease, border-color .25s ease, color .25s ease;
  }

  .btn-glow{
    color:#04140F;
    background:linear-gradient(135deg,var(--brand),#7BF5DE);
    box-shadow:var(--sh-glow);
  }
  .btn-glow:hover{
    color:#04140F;
    text-shadow:none;
    transform:translateY(-2px);
    box-shadow:0 0 34px rgba(45,226,197,.55);
  }
  .btn-glow:active{ transform:translateY(1px); }

  .btn-outline-glass{
    color:var(--text);
    border-color:var(--line);
    background:var(--glass-2);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
  }
  .btn-outline-glass:hover{
    color:var(--text);
    text-shadow:none;
    border-color:var(--brand-line);
    background:rgba(255,255,255,.1);
    transform:translateY(-2px);
  }
  .btn-outline-glass:active{ transform:translateY(1px); }

  /* ============ 玻璃卡片基础 ============ */
  .glass{
    background:var(--glass);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    box-shadow:var(--sh-glass);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
  }

  .badge-soft{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:5px 13px;
    border-radius:var(--r-pill);
    font-size:.78rem;
    font-weight:600;
    letter-spacing:.02em;
    color:var(--brand);
    background:var(--brand-soft);
    border:1px solid var(--brand-line);
  }
  .badge-soft.gold{
    color:var(--gold);
    background:rgba(245,196,81,.12);
    border-color:rgba(245,196,81,.34);
  }
  .badge-soft.blue{
    color:#9DC0FF;
    background:var(--blue-soft);
    border-color:rgba(79,140,255,.34);
  }

  /* ============ 分类 Hero ============ */
  .cat-hero{
    position:relative;
    min-height:44vh;
    display:flex;
    align-items:center;
    padding:56px 0 46px;
    overflow:hidden;
    border-bottom:1px solid var(--line-soft);
  }

  .cat-hero::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:
      linear-gradient(90deg, rgba(7,12,22,.94) 0%, rgba(7,12,22,.82) 46%, rgba(7,12,22,.62) 100%),
      url("/assets/images/backpic/back-2.webp");
    background-size:cover;
    background-position:center;
    z-index:-1;
  }

  .cat-hero::after{
    content:"";
    position:absolute;
    right:-140px;
    top:-160px;
    width:520px;
    height:520px;
    border-radius:50%;
    background:radial-gradient(circle, rgba(45,226,197,.2), transparent 66%);
    pointer-events:none;
  }

  .hero-grid{
    display:grid;
    grid-template-columns:1.1fr .9fr;
    gap:44px;
    align-items:center;
    width:100%;
  }

  .crumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:9px;
    font-size:.86rem;
    color:var(--text-3);
    margin-bottom:20px;
  }
  .crumb a{ color:var(--text-2); }
  .crumb i{ font-size:.62rem; }

  .cat-h1{
    font-size:clamp(2rem,3.6vw,3.1rem);
    font-weight:800;
    line-height:1.18;
    letter-spacing:-.02em;
    display:flex;
    flex-direction:column;
    gap:8px;
    margin-bottom:18px;
  }
  .cat-h1 .h1-lead{
    background:linear-gradient(100deg,#FFFFFF 8%,var(--brand) 92%);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .cat-h1 .h1-tail{
    font-size:clamp(1rem,1.5vw,1.22rem);
    font-weight:600;
    color:var(--text-2);
    letter-spacing:.01em;
  }

  .hero-desc{
    color:var(--text-2);
    font-size:1.03rem;
    max-width:56ch;
    margin-bottom:26px;
  }

  .hero-actions{ display:flex; flex-wrap:wrap; gap:14px; }

  .hero-panel{
    padding:18px;
    border-radius:26px;
  }
  .hero-panel img{
    width:100%;
    height:250px;
    object-fit:cover;
    border-radius:18px;
    border:1px solid var(--line);
    box-shadow:0 0 34px rgba(45,226,197,.18);
  }
  .hero-metrics{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:12px;
    margin-top:16px;
  }
  .hero-metric{
    text-align:center;
    padding:12px 8px;
    border-radius:16px;
    background:rgba(255,255,255,.05);
    border:1px solid var(--line-soft);
  }
  .hero-metric strong{
    display:block;
    font-family:ui-monospace,"SFMono-Regular",Menlo,monospace;
    font-size:1.32rem;
    font-weight:700;
    color:var(--brand);
  }
  .hero-metric span{ font-size:.78rem; color:var(--text-3); }

  /* ============ 通用板块 ============ */
  .section{ padding:84px 0; }
  .section.tight{ padding:64px 0; }

  .section-head{
    max-width:760px;
    margin-bottom:44px;
  }
  .section-head .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:.82rem;
    font-weight:600;
    letter-spacing:.08em;
    color:var(--brand);
    margin-bottom:14px;
  }
  .section-head .eyebrow::before{
    content:"";
    width:26px;
    height:2px;
    border-radius:2px;
    background:linear-gradient(90deg,var(--brand),transparent);
  }
  .section-head p{
    margin-top:16px;
    color:var(--text-2);
    font-size:1.02rem;
  }

  /* ============ 时间线 ============ */
  .timeline{
    position:relative;
    padding-left:46px;
  }
  .timeline::before{
    content:"";
    position:absolute;
    left:13px;
    top:12px;
    bottom:12px;
    width:2px;
    border-radius:2px;
    background:linear-gradient(180deg, var(--brand) 0%, rgba(79,140,255,.5) 52%, rgba(45,226,197,0) 100%);
    box-shadow:0 0 16px rgba(45,226,197,.4);
  }

  .tl-item{
    position:relative;
    margin-bottom:30px;
  }
  .tl-item:last-child{ margin-bottom:0; }

  .tl-dot{
    position:absolute;
    left:-40px;
    top:26px;
    width:14px;
    height:14px;
    border-radius:50%;
    background:var(--ink-900);
    border:2px solid var(--brand);
    box-shadow:0 0 16px rgba(45,226,197,.6);
  }
  .tl-item:nth-child(2) .tl-dot{ border-color:#6FD8FF; box-shadow:0 0 16px rgba(111,216,255,.55); }
  .tl-item:nth-child(3) .tl-dot{ border-color:var(--gold); box-shadow:0 0 16px rgba(245,196,81,.5); }
  .tl-item:nth-child(4) .tl-dot{ border-color:#9DC0FF; box-shadow:0 0 16px rgba(157,192,255,.5); }

  .tl-body{
    padding:26px 28px;
    transition:transform .28s ease, border-color .28s ease, box-shadow .28s ease;
  }
  .tl-body:hover{
    transform:translateY(-4px);
    border-color:var(--brand-line);
    box-shadow:var(--sh-glass), 0 0 26px rgba(45,226,197,.16);
  }

  .tl-head{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:12px;
    margin-bottom:12px;
  }
  .tl-head h2{
    font-size:1.34rem;
    font-weight:680;
  }

  .tl-body p{ color:var(--text-2); font-size:.98rem; }

  .tl-list{
    display:grid;
    gap:8px;
    margin:16px 0 18px;
  }
  .tl-list li{
    display:flex;
    gap:10px;
    align-items:flex-start;
    font-size:.94rem;
    color:var(--text-2);
  }
  .tl-list li i{
    color:var(--brand);
    font-size:.72rem;
    margin-top:8px;
    flex:0 0 auto;
  }

  .tl-link{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:.92rem;
    font-weight:600;
    color:var(--brand);
  }
  .tl-link i{ transition:transform .25s ease; }
  .tl-link:hover i{ transform:translateX(4px); }

  /* ============ 交付配套卡 ============ */
  .doc-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:22px;
  }

  .doc-card{
    display:flex;
    gap:20px;
    padding:22px;
    align-items:flex-start;
    transition:transform .28s ease, border-color .28s ease;
  }
  .doc-card:hover{
    transform:translateY(-4px);
    border-color:var(--brand-line);
  }
  .doc-card img{
    width:132px;
    height:104px;
    object-fit:cover;
    border-radius:16px;
    border:1px solid var(--line);
    flex:0 0 auto;
  }
  .doc-card h3{ margin-bottom:8px; }
  .doc-card p{ color:var(--text-2); font-size:.93rem; }
  .doc-meta{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    margin-top:14px;
  }

  /* ============ 适用场景 ============ */
  .scene-layout{
    display:grid;
    grid-template-columns:1.15fr .85fr;
    gap:26px;
    align-items:start;
  }

  .scene-list{
    display:grid;
    gap:14px;
  }
  .scene-item{
    display:flex;
    gap:16px;
    padding:20px 22px;
    transition:transform .28s ease, border-color .28s ease;
  }
  .scene-item:hover{
    transform:translateX(4px);
    border-color:var(--brand-line);
  }
  .scene-item .scene-num{
    font-family:ui-monospace,"SFMono-Regular",Menlo,monospace;
    font-size:1.1rem;
    font-weight:700;
    color:var(--gold);
    min-width:34px;
    padding-top:2px;
  }
  .scene-item h3{ font-size:1.1rem; margin-bottom:6px; }
  .scene-item p{ color:var(--text-2); font-size:.93rem; }

  .tag-panel{ padding:24px; }
  .tag-panel h3{ margin-bottom:16px; font-size:1.06rem; }
  .tag-cloud{
    display:flex;
    flex-wrap:wrap;
    gap:9px;
    margin-bottom:22px;
  }
  .tag-cloud span{
    padding:6px 13px;
    border-radius:var(--r-pill);
    font-size:.82rem;
    color:var(--text-2);
    background:var(--glass-2);
    border:1px solid var(--line);
    transition:all .25s ease;
  }
  .tag-cloud span:hover{
    color:var(--brand);
    border-color:var(--brand-line);
    box-shadow:0 0 16px rgba(45,226,197,.22);
  }

  .contact-block{
    padding:18px;
    border-radius:18px;
    background:linear-gradient(150deg, rgba(45,226,197,.12), rgba(79,140,255,.08));
    border:1px solid var(--brand-line);
  }
  .contact-block h4{ margin-bottom:8px; }
  .contact-block p{ font-size:.9rem; color:var(--text-2); margin-bottom:14px; }
  .contact-block .btn-glow{ width:100%; justify-content:center; padding:11px 18px; font-size:.92rem; }

  /* ============ FAQ ============ */
  .faq-wrap{ max-width:900px; margin-inline:auto; }

  .accordion-item{
    background:var(--glass);
    border:1px solid var(--line);
    border-radius:18px !important;
    margin-bottom:14px;
    overflow:hidden;
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    box-shadow:var(--sh-glass);
  }

  .accordion-button{
    background:transparent;
    color:var(--text);
    font-size:1.02rem;
    font-weight:620;
    padding:19px 22px;
    box-shadow:none;
    border-left:3px solid transparent;
    gap:14px;
  }
  .accordion-button:not(.collapsed){
    color:var(--brand);
    background:rgba(45,226,197,.07);
    border-left-color:var(--brand);
    box-shadow:inset 0 0 32px rgba(45,226,197,.08);
  }
  .accordion-button:hover{ color:var(--brand); }
  .accordion-button:focus{
    box-shadow:none;
    border-color:transparent;
    border-left-color:var(--brand);
  }
  .accordion-button::after{
    background-image:none;
    content:"\f078";
    font-family:"Font Awesome 6 Free";
    font-weight:900;
    font-size:.7rem;
    width:28px;
    height:28px;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:50%;
    background:rgba(255,255,255,.09);
    color:var(--brand);
    flex:0 0 auto;
    transition:transform .3s ease, background .25s ease;
  }
  .accordion-button:not(.collapsed)::after{
    transform:rotate(180deg);
    background:rgba(45,226,197,.18);
  }
  .accordion-body{
    color:var(--text-2);
    font-size:.96rem;
    padding:0 22px 22px 25px;
    line-height:1.85;
  }

  /* ============ CTA ============ */
  .cta-band{
    padding:44px 40px;
    border-radius:28px;
    background:
      radial-gradient(600px 320px at 88% 0%, rgba(45,226,197,.22), transparent 62%),
      linear-gradient(140deg, rgba(255,255,255,.09), rgba(255,255,255,.03));
    border:1px solid var(--line);
    box-shadow:var(--sh-glass);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    display:grid;
    grid-template-columns:1.2fr .8fr;
    gap:32px;
    align-items:center;
  }
  .cta-band h2{ margin-bottom:14px; }
  .cta-band p{ color:var(--text-2); font-size:1rem; }
  .cta-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    justify-content:flex-end;
  }

  /* ============ 页脚 ============ */
  .site-footer{
    margin-top:40px;
    padding:66px 0 30px;
    border-top:1px solid var(--line-soft);
    background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0) 60%);
  }

  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1.2fr;
    gap:34px;
  }

  .footer-brand{
    display:flex;
    align-items:center;
    gap:11px;
    font-size:1.06rem;
    font-weight:700;
    color:var(--text);
    margin-bottom:16px;
  }

  .footer-desc{
    color:var(--text-2);
    font-size:.92rem;
    line-height:1.85;
    max-width:38ch;
  }

  .footer-col h4{
    font-size:.95rem;
    color:var(--text);
    margin-bottom:16px;
    letter-spacing:.02em;
  }
  .footer-col ul{ display:grid; gap:10px; }
  .footer-col ul a{
    color:var(--text-2);
    font-size:.92rem;
  }
  .footer-col ul a:hover{ color:var(--brand); }
  .footer-col p{
    color:var(--text-2);
    font-size:.9rem;
    line-height:1.8;
    margin-bottom:10px;
  }

  .footer-bottom{
    margin-top:44px;
    padding-top:22px;
    border-top:1px solid var(--line-soft);
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    align-items:center;
    justify-content:space-between;
  }
  .footer-bottom p{
    color:var(--text-3);
    font-size:.86rem;
    margin:0;
  }
  .footer-tags{
    display:flex;
    flex-wrap:wrap;
    gap:9px;
  }
  .footer-tags span{
    padding:5px 12px;
    border-radius:var(--r-pill);
    font-size:.78rem;
    color:var(--text-3);
    border:1px solid var(--line-soft);
    background:var(--glass-2);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1200px){
    .footer-grid{ grid-template-columns:1.4fr 1fr 1fr; }
    .footer-col:last-child{ grid-column:1 / -1; }
  }

  @media (max-width:992px){
    body{ padding-top:100px; }
    .dock{ border-radius:24px; flex-wrap:wrap; }
    .dock-toggle{ display:block; }
    .dock-menu{
      order:4;
      width:100%;
      flex-direction:column;
      align-items:stretch;
      gap:6px;
      margin:0;
      max-height:0;
      overflow:hidden;
      opacity:0;
      transition:max-height .34s ease, opacity .28s ease, margin .3s ease;
    }
    .dock.open .dock-menu{
      max-height:340px;
      opacity:1;
      margin-top:12px;
    }
    .dock-link{ padding:11px 14px; border-radius:14px; }
    .dock-actions{
      margin-left:auto;
      order:3;
    }
    .dock-actions .btn-dock-ghost{ display:none; }

    .hero-grid{ grid-template-columns:1fr; gap:32px; }
    .cat-hero{ padding:44px 0 38px; min-height:auto; }
    .hero-panel img{ height:220px; }

    .doc-grid{ grid-template-columns:1fr; }
    .scene-layout{ grid-template-columns:1fr; }
    .cta-band{ grid-template-columns:1fr; padding:34px 26px; }
    .cta-actions{ justify-content:flex-start; }
    .section{ padding:64px 0; }
  }

  @media (max-width:768px){
    body{ font-size:16px; }
    .wrap{ width:min(var(--wrap), 100% - 36px); }
    .timeline{ padding-left:34px; }
    .timeline::before{ left:7px; }
    .tl-dot{ left:-34px; top:24px; }
    .tl-body{ padding:22px 20px; }
    .doc-card{ flex-direction:column; }
    .doc-card img{ width:100%; height:172px; }
    .hero-metrics{ grid-template-columns:repeat(3,1fr); }
    .footer-grid{ grid-template-columns:1fr 1fr; gap:28px; }
    .footer-col:last-child{ grid-column:1 / -1; }
    .hero-panel img{ height:196px; }
  }

  @media (max-width:520px){
    body{ padding-top:92px; }
    .dock{ top:12px; width:calc(100% - 20px); padding:9px 11px; gap:10px; }
    .brand-text{ font-size:.95rem; }
    .dock-actions .btn-dock-glow{ padding:9px 14px; font-size:.86rem; }
    .hero-metrics{ grid-template-columns:1fr; }
    .hero-actions .btn-glow,
    .hero-actions .btn-outline-glass{ width:100%; justify-content:center; min-height:46px; }
    .cta-actions .btn-glow,
    .cta-actions .btn-outline-glass{ width:100%; justify-content:center; min-height:46px; }
    .footer-grid{ grid-template-columns:1fr; }
    .footer-bottom{ flex-direction:column; align-items:flex-start; }
    .section{ padding:52px 0; }
    .cat-h1{ font-size:1.86rem; }
  }

/* roulang page: category3 */
:root{
  --bg-0:#070C16;
  --bg-1:#0A1020;
  --bg-2:#0E1526;
  --brand:#2DE2C5;
  --brand-soft:rgba(45,226,197,.14);
  --brand-line:rgba(45,226,197,.45);
  --blue:#4F8CFF;
  --gold:#F5C451;
  --text:#F2F7FF;
  --text-2:#A9B7CC;
  --text-3:#6F7F99;
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.12);
  --line-soft:rgba(255,255,255,.07);
  --radius-xl:24px;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-pill:999px;
  --shadow-glass:0 20px 60px rgba(0,0,0,.35);
  --shadow-glow:0 0 24px rgba(45,226,197,.35);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-body-bg:transparent;
  --bs-body-color:#F2F7FF;
  --bs-primary:#2DE2C5;
  --bs-border-color:rgba(255,255,255,.12);
  --bs-border-radius:14px;
  --bs-font-sans-serif:var(--font-cn);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  background-color:var(--bg-0);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  background:
    radial-gradient(1100px 620px at 78% -8%,rgba(45,226,197,.16),transparent 62%),
    radial-gradient(900px 560px at 6% 12%,rgba(79,140,255,.14),transparent 60%),
    linear-gradient(180deg,var(--bg-0) 0%,var(--bg-1) 46%,#070C16 100%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px,64px 64px;
  mask-image:radial-gradient(circle at 50% 20%,rgba(0,0,0,.9),transparent 80%);
  -webkit-mask-image:radial-gradient(circle at 50% 20%,rgba(0,0,0,.9),transparent 80%);
}
img{max-width:100%;display:block;border-radius:18px;}
a{color:var(--blue);text-decoration:none;transition:color .25s ease,opacity .25s ease;}
a:hover{color:var(--brand);}
a:focus-visible,button:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px;}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--text);letter-spacing:-.01em;}
p{margin:0 0 1em;color:var(--text-2);}
ul{margin:0;padding:0;list-style:none;}
.wrap{width:100%;max-width:1220px;margin:0 auto;padding:0 24px;}
.anchor-target{display:block;height:0;overflow:hidden;}

/* ---------- 浮动 Dock 导航 ---------- */
.dock{
  position:fixed;
  top:20px;
  left:50%;
  transform:translateX(-50%);
  width:calc(100% - 48px);
  max-width:1180px;
  z-index:1000;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 14px 10px 18px;
  border-radius:var(--radius-pill);
  background:rgba(10,16,32,.72);
  border:1px solid var(--line);
  box-shadow:var(--shadow-glass);
  backdrop-filter:blur(20px) saturate(150%);
  -webkit-backdrop-filter:blur(20px) saturate(150%);
}
.dock-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.dock-brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:linear-gradient(135deg,rgba(45,226,197,.9),rgba(79,140,255,.85));
  color:#04121A;
  font-size:15px;
  box-shadow:0 0 18px rgba(45,226,197,.35);
}
.brand-text{font-weight:700;font-size:16px;letter-spacing:.01em;white-space:nowrap;}
.dock-menu{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto;}
.dock-link{
  padding:8px 14px;
  border-radius:var(--radius-pill);
  color:var(--text-2);
  font-size:14.5px;
  white-space:nowrap;
  border:1px solid transparent;
  transition:all .25s ease;
}
.dock-link:hover{color:var(--text);background:var(--glass);}
.dock-link.active{
  color:var(--brand);
  background:var(--brand-soft);
  border-color:var(--brand-line);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.btn-dock-ghost,.btn-dock-glow{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:40px;padding:0 18px;
  border-radius:var(--radius-pill);
  font-size:14px;font-weight:600;
  transition:all .25s ease;
  white-space:nowrap;
}
.btn-dock-ghost{
  color:var(--text-2);
  border:1px solid var(--line);
  background:var(--glass);
}
.btn-dock-ghost:hover{color:var(--text);border-color:var(--brand-line);background:var(--glass-strong);}
.btn-dock-glow{
  color:#04121A;
  background:linear-gradient(135deg,#2DE2C5,#48B9FF);
  border:1px solid rgba(45,226,197,.6);
  box-shadow:0 0 20px rgba(45,226,197,.32);
}
.btn-dock-glow:hover{color:#04121A;transform:translateY(-2px);box-shadow:var(--shadow-glow);}
.btn-dock-glow:active{transform:translateY(0);}
.dock-toggle{
  display:none;
  margin-left:auto;
  width:42px;height:42px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text);
  font-size:16px;
  cursor:pointer;
}
.dock-toggle:hover{border-color:var(--brand-line);color:var(--brand);}

/* ---------- 通用按钮 ---------- */
.btn-glow{
  display:inline-flex;align-items:center;gap:9px;justify-content:center;
  min-height:50px;padding:0 28px;
  border-radius:var(--radius-pill);
  background:linear-gradient(135deg,#2DE2C5,#4F8CFF);
  color:#04121A;font-weight:700;font-size:15.5px;
  border:1px solid rgba(45,226,197,.55);
  box-shadow:0 0 24px rgba(45,226,197,.35);
  transition:all .25s ease;
}
.btn-glow:hover{color:#04121A;transform:translateY(-2px);box-shadow:0 0 34px rgba(45,226,197,.5);}
.btn-glow:active{transform:translateY(0);}
.btn-glass{
  display:inline-flex;align-items:center;gap:9px;justify-content:center;
  min-height:50px;padding:0 26px;
  border-radius:var(--radius-pill);
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--text);font-weight:600;font-size:15.5px;
  transition:all .25s ease;
}
.btn-glass:hover{color:var(--brand);border-color:var(--brand-line);background:var(--glass-strong);transform:translateY(-2px);}
.btn-glass:active{transform:translateY(0);}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;align-items:center;gap:10px;
  font-size:13.5px;color:var(--text-3);
  margin-bottom:18px;flex-wrap:wrap;
}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--brand);}
.crumb span.sep{opacity:.55;}
.crumb .current{color:var(--brand);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:158px 0 64px;
  overflow:hidden;
}
.page-hero .hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(0,.85fr);
  gap:52px;
  align-items:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;
  border-radius:var(--radius-pill);
  background:var(--brand-soft);
  border:1px solid var(--brand-line);
  color:var(--brand);
  font-size:13px;font-weight:600;
  margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(2.1rem,4vw,3.35rem);
  font-weight:800;
  line-height:1.16;
  letter-spacing:-.02em;
  margin-bottom:20px;
}
.page-hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#2DE2C5,#7FE1FF);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  font-size:17px;
  color:var(--text-2);
  max-width:620px;
  margin-bottom:28px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-media{
  position:relative;
  border-radius:var(--radius-xl);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-glass);
  background:var(--glass);
}
.hero-media img{width:100%;height:340px;object-fit:cover;border-radius:0;opacity:.92;}
.hero-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,22,.05),rgba(7,12,22,.72));
}
.hero-media .media-badge{
  position:absolute;left:20px;bottom:20px;right:20px;
  z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 18px;
  border-radius:var(--radius-md);
  background:rgba(10,16,32,.7);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  font-size:13.5px;color:var(--text-2);
}
.hero-media .media-badge strong{color:var(--brand);font-weight:700;}

/* ---------- 指标带 ---------- */
.metrics{border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);background:rgba(255,255,255,.02);}
.metrics-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
  padding:38px 0;
}
.metric{
  padding:20px 22px;
  border-radius:var(--radius-lg);
  background:var(--glass);
  border:1px solid var(--line-soft);
  transition:all .25s ease;
}
.metric:hover{border-color:var(--brand-line);transform:translateY(-3px);}
.metric-num{
  font-size:clamp(1.6rem,2.4vw,2.1rem);
  font-weight:800;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.metric-num.gold{color:var(--gold);}
.metric-num span{font-size:.9rem;font-weight:600;margin-left:5px;color:var(--text-2);}
.metric p{font-size:13.5px;color:var(--text-3);margin:6px 0 0;}

/* ---------- 版块基础 ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{
  font-size:clamp(1.7rem,2.8vw,2.4rem);
  font-weight:700;
  line-height:1.25;
  margin-bottom:14px;
}
.section-head p{font-size:16px;color:var(--text-2);margin:0;}
.eyebrow{
  display:inline-block;
  font-size:12.5px;font-weight:700;letter-spacing:.16em;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:12px;
}

/* ---------- 网格瀑布 ---------- */
.grid-falls{
  display:grid;
  grid-template-columns:minmax(0,2.05fr) minmax(0,1fr);
  gap:26px;
  align-items:start;
}
.falls-main{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:26px;
}
.fall-card{
  display:flex;flex-direction:column;
  border-radius:var(--radius-xl);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-glass);
  overflow:hidden;
  transition:all .3s ease;
}
.fall-card:hover{transform:translateY(-4px);border-color:var(--brand-line);}
.fall-card.wide{grid-column:span 2;}
.fall-card .card-body{padding:26px 26px 24px;}
.fall-card h3{font-size:1.32rem;font-weight:700;margin-bottom:12px;}
.fall-card p{font-size:15px;line-height:1.8;margin-bottom:16px;}
.fall-figure{position:relative;}
.fall-figure img{width:100%;height:220px;object-fit:cover;border-radius:0;}
.fall-card.wide .fall-figure img{height:280px;}
.fall-figure::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,22,0),rgba(7,12,22,.62));
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;
  border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;
  background:rgba(79,140,255,.14);
  border:1px solid rgba(79,140,255,.35);
  color:#9FC1FF;
  margin-bottom:14px;
}
.tag.brand{
  background:var(--brand-soft);
  border-color:var(--brand-line);
  color:var(--brand);
}
.mini-list{margin:0 0 18px;}
.mini-list li{
  position:relative;
  padding-left:20px;
  font-size:14.5px;
  color:var(--text-2);
  margin-bottom:8px;
  line-height:1.7;
}
.mini-list li::before{
  content:"";
  position:absolute;left:0;top:.62em;
  width:7px;height:7px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 10px rgba(45,226,197,.7);
}
.card-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;
  color:var(--brand);
  margin-top:auto;
}
.card-link i{transition:transform .25s ease;}
.card-link:hover i{transform:translateX(4px);}

/* ---------- 侧栏 ---------- */
.falls-side{
  position:sticky;
  top:104px;
  display:flex;flex-direction:column;gap:22px;
}
.side-card{
  padding:24px;
  border-radius:var(--radius-lg);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-glass);
}
.side-card h3{
  font-size:1.08rem;
  font-weight:700;
  margin-bottom:16px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line-soft);
}
.side-links li{margin-bottom:10px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;
  border-radius:var(--radius-md);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line-soft);
  color:var(--text-2);
  font-size:14.5px;
  transition:all .25s ease;
}
.side-links a:hover{
  color:var(--brand);
  border-color:var(--brand-line);
  background:var(--brand-soft);
  transform:translateX(3px);
}
.side-links a.active{color:var(--brand);border-color:var(--brand-line);background:var(--brand-soft);}
.side-links i{font-size:12px;opacity:.7;}
.side-note{font-size:13.5px;color:var(--text-3);line-height:1.8;margin:0 0 16px;}
.side-contact{
  border-radius:var(--radius-lg);
  background:linear-gradient(150deg,rgba(45,226,197,.14),rgba(79,140,255,.1));
  border:1px solid var(--brand-line);
}
.side-contact .contact-line{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:var(--text);margin-bottom:10px;
}
.side-contact .contact-line i{color:var(--brand);}
.side-contact .btn-glass,.side-contact .btn-glow{width:100%;min-height:44px;font-size:14.5px;margin-top:6px;}
.side-read li{
  padding:12px 0;
  border-bottom:1px dashed var(--line-soft);
}
.side-read li:last-child{border-bottom:0;padding-bottom:0;}
.side-read a{font-size:14.5px;color:var(--text-2);line-height:1.7;display:block;}
.side-read a:hover{color:var(--brand);}
.side-read span{display:block;font-size:12.5px;color:var(--text-3);margin-top:4px;}

/* ---------- 支持流程 ---------- */
.flow-band{
  border-radius:var(--radius-xl);
  padding:42px 38px;
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-glass);
}
.flow-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
  margin-top:8px;
}
.flow-step{
  position:relative;
  padding:22px 20px;
  border-radius:var(--radius-lg);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line-soft);
  transition:all .25s ease;
}
.flow-step:hover{border-color:var(--brand-line);transform:translateY(-3px);background:var(--glass-strong);}
.flow-step .step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;
  border-radius:12px;
  background:var(--brand-soft);
  border:1px solid var(--brand-line);
  color:var(--brand);
  font-weight:800;
  font-size:15px;
  margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:1.06rem;font-weight:700;margin-bottom:8px;}
.flow-step p{font-size:14px;color:var(--text-3);margin:0;line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;margin:0 auto;}
.accordion-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-lg)!important;
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow-glass);
}
.accordion-button{
  background:transparent;
  color:var(--text);
  font-size:1.04rem;
  font-weight:650;
  padding:20px 24px;
  box-shadow:none!important;
  border-left:3px solid transparent;
  transition:all .25s ease;
}
.accordion-button:not(.collapsed){
  background:rgba(45,226,197,.08);
  color:var(--brand);
  border-left-color:var(--brand);
}
.accordion-button:hover{color:var(--brand);}
.accordion-button::after{
  background-image:none;
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  width:auto;height:auto;
  transition:transform .3s ease;
  color:var(--brand);
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.accordion-body{
  padding:4px 24px 22px 24px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
  border-left:3px solid var(--brand);
}

/* ---------- 最终 CTA ---------- */
.cta-band{
  position:relative;
  border-radius:var(--radius-xl);
  padding:52px 48px;
  background:linear-gradient(135deg,rgba(45,226,197,.13),rgba(79,140,255,.12));
  border:1px solid var(--brand-line);
  box-shadow:var(--shadow-glass);
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-120px;top:-120px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(45,226,197,.28),transparent 68%);
  pointer-events:none;
}
.cta-band h2{
  font-size:clamp(1.6rem,2.6vw,2.15rem);
  font-weight:750;
  margin-bottom:14px;
}
.cta-band p{max-width:660px;font-size:15.5px;color:var(--text-2);}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px;}
.cta-points{display:flex;gap:24px;flex-wrap:wrap;margin-top:26px;font-size:14px;color:var(--text-2);}
.cta-points span{display:inline-flex;align-items:center;gap:8px;}
.cta-points i{color:var(--brand);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--line-soft);
  background:rgba(7,12,22,.72);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:38px;
}
.footer-brand{
  display:flex;align-items:center;gap:12px;
  font-size:17px;font-weight:700;color:var(--text);
  margin-bottom:16px;
}
.footer-desc{font-size:14px;color:var(--text-3);line-height:1.85;max-width:360px;}
.footer-col h4{
  font-size:15px;font-weight:700;color:var(--text);
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:var(--text-3);}
.footer-col ul a:hover{color:var(--brand);}
.footer-col p{font-size:13.8px;color:var(--text-3);line-height:1.85;margin-bottom:10px;}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13.5px;color:var(--text-3);margin:0;}
.footer-tags{display:flex;gap:10px;flex-wrap:wrap;}
.footer-tags span{
  font-size:12.5px;color:var(--text-3);
  padding:5px 13px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line-soft);
  background:rgba(255,255,255,.03);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:992px){
  .dock{padding:10px 12px;}
  .dock-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .dock-menu{
    display:none;
    position:absolute;
    top:calc(100% + 12px);
    left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:14px;
    border-radius:22px;
    background:rgba(10,16,32,.95);
    border:1px solid var(--line);
    box-shadow:var(--shadow-glass);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    margin-left:0;
  }
  .dock.open .dock-menu{display:flex;}
  .dock-link{padding:12px 16px;}
  .dock-actions{display:none;}
  .page-hero{padding:132px 0 52px;}
  .page-hero .hero-inner{grid-template-columns:1fr;gap:34px;}
  .hero-media img{height:280px;}
  .grid-falls{grid-template-columns:1fr;}
  .falls-side{position:static;}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .section{padding:76px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  .falls-main{grid-template-columns:1fr;}
  .fall-card.wide{grid-column:span 1;}
  .fall-card.wide .fall-figure img{height:220px;}
  .cta-band{padding:38px 26px;}
}
@media (max-width:576px){
  .wrap{padding:0 18px;}
  .dock{width:calc(100% - 24px);top:12px;}
  .brand-text{font-size:14.5px;}
  .page-hero{padding:118px 0 44px;}
  .page-hero h1{font-size:1.9rem;}
  .hero-sub{font-size:15.6px;}
  .hero-media img{height:220px;}
  .metrics-grid{grid-template-columns:1fr;gap:14px;padding:28px 0;}
  .flow-grid{grid-template-columns:1fr;}
  .flow-band{padding:30px 22px;}
  .section{padding:60px 0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn-glow,.btn-glass{width:100%;}
  .hero-actions{flex-direction:column;}
  .cta-actions{flex-direction:column;}
}

/* roulang page: category2 */
:root{
    --bg-0:#070C16;
    --bg-1:#0A1020;
    --ink:#F2F7FF;
    --ink-2:#A9B7CC;
    --ink-3:#6F7F99;
    --brand:#2DE2C5;
    --brand-deep:#1FBFA6;
    --blue:#4F8CFF;
    --gold:#F5C451;
    --glass:rgba(255,255,255,.06);
    --glass-soft:rgba(255,255,255,.035);
    --line:rgba(255,255,255,.12);
    --line-soft:rgba(255,255,255,.08);
    --r-card:22px;
    --r-btn:999px;
    --r-img:18px;
    --r-input:14px;
    --sh-glass:0 20px 60px rgba(0,0,0,.35);
    --sh-glow:0 0 24px rgba(45,226,197,.35);
    --sh-soft:0 12px 34px rgba(0,0,0,.28);
    --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    min-height:100vh;
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
    font-size:17px;
    line-height:1.75;
    color:var(--ink);
    background:
      radial-gradient(1000px 620px at 82% -8%, rgba(45,226,197,.10), transparent 62%),
      radial-gradient(900px 540px at 6% 6%, rgba(79,140,255,.12), transparent 64%),
      linear-gradient(180deg,var(--bg-0) 0%,var(--bg-1) 100%);
    background-attachment:fixed;
    -webkit-font-smoothing:antialiased;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    z-index:-1;
    pointer-events:none;
    background-image:
      linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
    background-size:64px 64px;
    -webkit-mask-image:radial-gradient(circle at 50% 0%, #000 0%, transparent 78%);
    mask-image:radial-gradient(circle at 50% 0%, #000 0%, transparent 78%);
  }
  img{max-width:100%;display:block;}
  a{color:var(--blue);text-decoration:none;transition:color .25s ease,opacity .25s ease;}
  a:hover{color:var(--brand);}
  h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;}
  h1{font-size:clamp(2.1rem,4.2vw,3.4rem);font-weight:800;line-height:1.16;letter-spacing:-.02em;}
  h2{font-size:clamp(1.6rem,2.7vw,2.35rem);font-weight:700;line-height:1.28;}
  h3{font-size:1.22rem;font-weight:650;line-height:1.45;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  button{font-family:inherit;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}

  .wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
  .section{padding:88px 0;}
  .section-tight{padding:64px 0;}
  .section-head{display:flex;flex-wrap:wrap;gap:18px 32px;align-items:flex-end;justify-content:space-between;margin-bottom:38px;}
  .section-head p{color:var(--ink-2);font-size:16px;max-width:640px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;letter-spacing:.14em;text-transform:uppercase;
    color:var(--brand);font-weight:600;margin-bottom:14px;
  }
  .eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--brand),transparent);}
  .muted{color:var(--ink-2);}
  .faint{color:var(--ink-3);font-size:14px;}
  .num{font-family:var(--mono);font-feature-settings:"tnum" 1;letter-spacing:-.01em;}

  /* ============ Dock 导航 ============ */
  .dock{
    position:fixed;top:20px;left:50%;transform:translateX(-50%);
    width:calc(100% - 32px);max-width:1180px;z-index:1000;
    display:flex;align-items:center;gap:16px;
    padding:10px 14px 10px 18px;
    border-radius:var(--r-btn);
    background:rgba(9,15,29,.74);
    border:1px solid var(--line);
    -webkit-backdrop-filter:blur(20px) saturate(150%);
    backdrop-filter:blur(20px) saturate(150%);
    box-shadow:0 18px 50px rgba(0,0,0,.45);
  }
  .dock-brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
  .brand-mark{
    width:34px;height:34px;border-radius:11px;
    display:inline-flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,rgba(45,226,197,.9),rgba(79,140,255,.85));
    color:#05121A;font-size:15px;
    box-shadow:0 0 20px rgba(45,226,197,.35);
  }
  .brand-text{font-weight:700;font-size:16.5px;color:var(--ink);letter-spacing:.01em;white-space:nowrap;}
  .dock-menu{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center;}
  .dock-link{
    padding:9px 15px;border-radius:var(--r-btn);
    font-size:15px;color:var(--ink-2);white-space:nowrap;
    transition:background .25s ease,color .25s ease,transform .25s ease;
  }
  .dock-link:hover{color:var(--ink);background:rgba(255,255,255,.07);}
  .dock-link.active{
    color:#04141B;font-weight:700;
    background:linear-gradient(135deg,var(--brand),#39B6F0);
    box-shadow:0 0 20px rgba(45,226,197,.28);
  }
  .dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .btn-dock-ghost{
    padding:9px 16px;border-radius:var(--r-btn);font-size:14.5px;
    color:var(--ink-2);border:1px solid var(--line);background:var(--glass-soft);
    transition:all .25s ease;
  }
  .btn-dock-ghost:hover{color:var(--ink);border-color:rgba(45,226,197,.5);background:rgba(45,226,197,.10);}
  .btn-dock-glow{
    padding:10px 20px;border-radius:var(--r-btn);font-size:14.5px;font-weight:700;
    color:#04141B;background:linear-gradient(135deg,var(--brand),#3FB4F2);
    box-shadow:var(--sh-glow);transition:all .25s ease;
  }
  .btn-dock-glow:hover{color:#04141B;transform:translateY(-2px);box-shadow:0 0 32px rgba(45,226,197,.5);}
  .dock-toggle{
    display:none;margin-left:auto;
    width:42px;height:42px;border-radius:14px;
    border:1px solid var(--line);background:var(--glass-soft);color:var(--ink);
    align-items:center;justify-content:center;font-size:16px;
  }

  /* ============ 顶部 Banner ============ */
  .banner{position:relative;overflow:hidden;padding:158px 0 70px;border-bottom:1px solid var(--line-soft);}
  .banner::before{
    content:"";position:absolute;inset:0;
    background-image:url("/assets/images/backpic/back-1.webp");
    background-size:cover;background-position:center;
    opacity:.16;filter:saturate(.8);
  }
  .banner::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(7,12,22,.55) 0%,rgba(7,12,22,.86) 62%,var(--bg-1) 100%);
  }
  .banner .wrap{position:relative;z-index:2;}
  .crumbs{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--ink-3);margin-bottom:22px;}
  .crumbs a{color:var(--ink-3);}
  .crumbs a:hover{color:var(--brand);}
  .crumbs span.sep{opacity:.5;}
  .crumbs .current{color:var(--ink-2);}
  .banner-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center;}
  .banner h1{margin-bottom:20px;}
  .banner h1 .hl{
    background:linear-gradient(120deg,var(--brand),var(--blue));
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .banner-lead{color:var(--ink-2);font-size:17.5px;max-width:600px;}
  .banner-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
  .btn-glow,.btn-ghost{
    display:inline-flex;align-items:center;gap:9px;
    min-height:48px;padding:0 26px;border-radius:var(--r-btn);
    font-size:15.5px;font-weight:700;cursor:pointer;border:1px solid transparent;
    transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease;
  }
  .btn-glow{
    color:#04141B;background:linear-gradient(135deg,var(--brand),#3FB4F2);
    box-shadow:var(--sh-glow);
  }
  .btn-glow:hover{color:#04141B;transform:translateY(-2px);box-shadow:0 0 34px rgba(45,226,197,.5);}
  .btn-glow:active{transform:translateY(1px);}
  .btn-ghost{
    color:var(--ink);background:var(--glass);border-color:var(--line);
  }
  .btn-ghost:hover{color:var(--brand);border-color:rgba(45,226,197,.55);background:rgba(45,226,197,.09);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(1px);}
  .banner-metrics{display:flex;flex-wrap:wrap;gap:36px;margin-top:38px;}
  .metric{min-width:120px;}
  .metric b{display:block;font-size:30px;font-weight:800;color:var(--gold);font-family:var(--mono);line-height:1.2;}
  .metric span{font-size:13.5px;color:var(--ink-3);}
  .banner-media{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-glass);}
  .banner-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;}
  .banner-media::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(7,12,22,0) 40%,rgba(7,12,22,.72) 100%);
  }
  .media-tag{
    position:absolute;left:20px;bottom:20px;z-index:2;
    display:inline-flex;align-items:center;gap:8px;
    padding:9px 16px;border-radius:var(--r-btn);font-size:13.5px;color:var(--ink);
    background:rgba(9,15,29,.7);border:1px solid var(--line);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  }

  /* ============ 玻璃卡片通用 ============ */
  .glass-card{
    background:var(--glass);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    -webkit-backdrop-filter:blur(20px) saturate(140%);
    backdrop-filter:blur(20px) saturate(140%);
    box-shadow:var(--sh-glass);
    transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  }
  .glass-card:hover{transform:translateY(-4px);border-color:rgba(45,226,197,.42);box-shadow:0 24px 64px rgba(0,0,0,.42);}
  .badge-chip{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 12px;border-radius:var(--r-btn);
    font-size:12.5px;color:var(--brand);
    background:rgba(45,226,197,.10);border:1px solid rgba(45,226,197,.28);
  }
  .badge-chip.blue{color:var(--blue);background:rgba(79,140,255,.10);border-color:rgba(79,140,255,.3);}
  .badge-chip.gold{color:var(--gold);background:rgba(245,196,81,.10);border-color:rgba(245,196,81,.3);}

  /* ============ 两种推进方式 ============ */
  .compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
  .compare-card{padding:34px 32px;position:relative;overflow:hidden;}
  .compare-card::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
    background:linear-gradient(180deg,var(--brand),transparent);
    opacity:.85;
  }
  .compare-card.alt::before{background:linear-gradient(180deg,var(--blue),transparent);}
  .compare-card h3{margin:16px 0 12px;font-size:1.45rem;}
  .compare-card > p{color:var(--ink-2);font-size:15.5px;}
  .compare-list{margin-top:22px;display:grid;gap:12px;}
  .compare-list li{display:flex;gap:11px;align-items:flex-start;font-size:15px;color:var(--ink-2);}
  .compare-list li i{color:var(--brand);margin-top:5px;font-size:12px;}
  .compare-card.alt .compare-list li i{color:var(--blue);}
  .compare-foot{margin-top:24px;padding-top:20px;border-top:1px solid var(--line-soft);font-size:13.5px;color:var(--ink-3);}

  /* ============ 行业索引 ============ */
  .index-layout{display:grid;grid-template-columns:1.72fr 1fr;gap:26px;align-items:start;}
  .index-panel{padding:14px 10px;}
  .industry-row{
    display:flex;align-items:center;gap:20px;
    padding:20px 22px;border-radius:16px;
    border:1px solid transparent;border-bottom:1px solid var(--line-soft);
    transition:background .25s ease,border-color .25s ease,transform .25s ease;
  }
  .industry-row:last-child{border-bottom-color:transparent;}
  .industry-row:hover{background:rgba(45,226,197,.07);border-color:rgba(45,226,197,.24);transform:translateX(4px);}
  .industry-idx{font-family:var(--mono);font-size:13px;color:var(--gold);min-width:32px;}
  .industry-main{flex:1 1 auto;}
  .industry-main h3{font-size:1.08rem;margin-bottom:4px;}
  .industry-main p{font-size:14.5px;color:var(--ink-3);}
  .industry-row .go{color:var(--ink-3);font-size:14px;}
  .industry-row:hover .go{color:var(--brand);}
  .side-stack{display:grid;gap:20px;}
  .side-card{padding:26px 24px;}
  .side-card h3{font-size:1.06rem;margin-bottom:14px;}
  .side-nav{display:grid;gap:8px;}
  .side-nav a{
    display:flex;align-items:center;justify-content:space-between;
    padding:11px 14px;border-radius:12px;font-size:14.5px;color:var(--ink-2);
    background:var(--glass-soft);border:1px solid var(--line-soft);
    transition:all .25s ease;
  }
  .side-nav a:hover{color:var(--brand);border-color:rgba(45,226,197,.4);background:rgba(45,226,197,.08);}
  .side-nav a i{font-size:11px;opacity:.7;}
  .side-note{font-size:14.5px;color:var(--ink-2);}
  .side-note strong{color:var(--ink);}
  .side-meta{display:grid;gap:10px;margin-top:16px;font-size:13.5px;color:var(--ink-3);}
  .side-meta span{display:flex;gap:8px;align-items:center;}
  .side-meta i{color:var(--brand);font-size:12px;}

  /* ============ 场景案例横向条 ============ */
  .case-track{
    display:flex;gap:20px;overflow-x:auto;padding:6px 4px 22px;
    scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  }
  .case-track::-webkit-scrollbar{height:8px;}
  .case-track::-webkit-scrollbar-thumb{background:rgba(45,226,197,.35);border-radius:999px;}
  .case-track::-webkit-scrollbar-track{background:rgba(255,255,255,.05);border-radius:999px;}
  .case-card{flex:0 0 340px;scroll-snap-align:start;overflow:hidden;padding:0;}
  .case-media{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:var(--r-card) var(--r-card) 0 0;}
  .case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
  .case-card:hover .case-media img{transform:scale(1.05);}
  .case-body{padding:22px 24px 26px;}
  .case-body h3{font-size:1.1rem;margin:12px 0 10px;}
  .case-body p{font-size:14.5px;color:var(--ink-2);}
  .case-foot{margin-top:18px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);}
  .case-foot i{color:var(--brand);}
  .track-hint{font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:8px;}

  /* ============ FAQ ============ */
  .faq-wrap{max-width:900px;margin:0 auto;}
  .accordion{--bs-accordion-bg:transparent;--bs-accordion-color:var(--ink);--bs-accordion-border-color:transparent;
    --bs-accordion-border-radius:18px;--bs-accordion-inner-border-radius:18px;
    --bs-accordion-btn-color:var(--ink);--bs-accordion-btn-bg:transparent;
    --bs-accordion-btn-focus-box-shadow:none;--bs-accordion-active-color:var(--brand);
    --bs-accordion-active-bg:transparent;--bs-accordion-body-color:var(--ink-2);}
  .accordion-item{
    background:var(--glass);border:1px solid var(--line);border-radius:18px;
    margin-bottom:14px;overflow:hidden;position:relative;
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    box-shadow:var(--sh-soft);transition:border-color .3s ease;
  }
  .accordion-item:hover{border-color:rgba(45,226,197,.34);}
  .accordion-item::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
    background:linear-gradient(180deg,var(--brand),transparent);
    opacity:0;transition:opacity .3s ease;
  }
  .accordion-item:has(.accordion-button:not(.collapsed))::before{opacity:1;}
  .accordion-button{
    padding:22px 24px;font-size:16.5px;font-weight:650;line-height:1.55;
    background:transparent;box-shadow:none;
  }
  .accordion-button::after{
    background-image:none;
    content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
    font-size:13px;color:var(--ink-3);width:auto;height:auto;
    transition:transform .3s ease,color .3s ease;
  }
  .accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--brand);}
  .accordion-button:not(.collapsed){background:transparent;color:var(--brand);}
  .accordion-body{padding:0 24px 24px;font-size:15.5px;line-height:1.85;color:var(--ink-2);}

  /* ============ CTA 玻璃条 ============ */
  .cta-bar{
    display:grid;grid-template-columns:1.5fr auto;gap:32px;align-items:center;
    padding:40px 42px;border-radius:26px;
    background:linear-gradient(120deg,rgba(45,226,197,.12),rgba(79,140,255,.10));
    border:1px solid var(--line);
    -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
    box-shadow:var(--sh-glass);
  }
  .cta-bar h2{font-size:clamp(1.4rem,2.3vw,2rem);margin-bottom:12px;}
  .cta-bar p{color:var(--ink-2);font-size:16px;max-width:640px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

  /* ============ 页脚 ============ */
  .site-footer{margin-top:90px;border-top:1px solid var(--line-soft);background:rgba(7,12,22,.6);padding:58px 0 28px;}
  .footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:38px;}
  .footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;margin-bottom:16px;}
  .footer-desc{color:var(--ink-2);font-size:14.5px;line-height:1.8;max-width:380px;}
  .footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--ink);}
  .footer-col ul{display:grid;gap:10px;}
  .footer-col ul a{color:var(--ink-2);font-size:14.5px;}
  .footer-col ul a:hover{color:var(--brand);}
  .footer-col p{color:var(--ink-2);font-size:14.5px;line-height:1.8;}
  .footer-col p + p{margin-top:10px;}
  .footer-bottom{
    margin-top:40px;padding-top:22px;border-top:1px solid var(--line-soft);
    display:flex;flex-wrap:wrap;gap:14px 24px;align-items:center;justify-content:space-between;
  }
  .footer-bottom p{font-size:13.5px;color:var(--ink-3);}
  .footer-tags{display:flex;flex-wrap:wrap;gap:10px;}
  .footer-tags span{
    padding:5px 13px;border-radius:var(--r-btn);font-size:12.5px;color:var(--ink-3);
    background:var(--glass-soft);border:1px solid var(--line-soft);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1199px){
    .banner-grid{gap:40px;}
    .index-layout{grid-template-columns:1.6fr 1fr;}
  }
  @media (max-width:991px){
    .dock{flex-wrap:wrap;border-radius:24px;padding:10px 14px;gap:10px;}
    .dock-brand{flex:1 1 auto;}
    .dock-toggle{display:inline-flex;}
    .dock-actions{display:none;}
    .dock-menu{
      order:3;flex-basis:100%;display:none;
      flex-direction:column;align-items:stretch;gap:6px;
      margin-top:10px;padding:12px;border-radius:20px;
      background:rgba(9,15,29,.94);border:1px solid var(--line);
      -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
    }
    .dock-menu.open{display:flex;}
    .dock-link{padding:12px 16px;font-size:15.5px;}
    .dock-link.active{background:rgba(45,226,197,.14);color:var(--brand);box-shadow:none;}
    .banner{padding:132px 0 56px;}
    .banner-grid{grid-template-columns:1fr;gap:38px;}
    .banner-media{max-width:620px;}
    .compare-grid{grid-template-columns:1fr;}
    .index-layout{grid-template-columns:1fr;}
    .cta-bar{grid-template-columns:1fr;padding:32px 26px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  }
  @media (max-width:767px){
    body{font-size:16px;}
    .section{padding:60px 0;}
    .section-tight{padding:48px 0;}
    .wrap{padding:0 18px;}
    .spot{padding:26px 22px;}
    .compare-card{padding:26px 22px;}
    .industry-row{padding:16px 14px;gap:14px;flex-wrap:wrap;}
    .industry-main{min-width:0;}
    .case-card{flex:0 0 82%;}
    .banner-metrics{gap:22px;}
    .metric b{font-size:24px;}
    .cta-actions{width:100%;}
    .btn-glow,.btn-ghost{flex:1 1 auto;justify-content:center;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
  }
  @media (max-width:575px){
    .dock{top:12px;width:calc(100% - 20px);}
    .banner{padding-top:118px;}
    .brand-text{font-size:15px;}
    .case-card{flex:0 0 88%;}
    .accordion-button{font-size:15.5px;padding:18px 18px;}
    .accordion-body{padding:0 18px 20px;}
  }