/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --bg-0:#070C14;
  --bg-1:#0C1420;
  --bg-2:#121C2B;
  --brand:#FF5A1E;
  --brand-hover:#FF7A45;
  --brand-active:#E0470F;
  --brand-soft:rgba(255,90,30,.14);
  --brand-glow:rgba(255,90,30,.35);
  --cyan:#2FD8C0;
  --cyan-soft:rgba(47,216,192,.12);
  --amber:#FFB020;
  --text:#EAF1F8;
  --text-2:#A9B7C6;
  --text-3:#6E8092;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.14);
  --glass:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  --glass-solid:rgba(18,28,43,.92);
  --radius-card:16px;
  --radius-glass:20px;
  --radius-btn:12px;
  --radius-img:14px;
  --radius-pill:999px;
  --shadow-card:0 0 0 1px rgba(255,255,255,.06),0 18px 40px rgba(0,0,0,.45);
  --shadow-hover:0 0 0 1px rgba(255,255,255,.12),0 22px 48px rgba(0,0,0,.5),0 0 28px rgba(255,90,30,.22);
  --shadow-glow:0 0 0 1px rgba(255,90,30,.6),0 0 24px rgba(255,90,30,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:220ms;
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","DIN Alternate",system-ui,-apple-system,"Segoe UI",sans-serif;
}

/* ============ Reset / Base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;background:var(--bg-0);}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-style:none;}
h1,h2,h3,h4,h5,h6,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--text);text-decoration:none;background-color:transparent;transition:color var(--dur) var(--ease);}
a:hover,a:focus{color:var(--brand);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea,select{font-family:inherit;}
[id]{scroll-margin-top:84px;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
::selection{background:var(--brand-glow);color:#fff;}
strong,b{font-weight:700;}
svg{display:block;}

/* ============ 容器 / 网格 ============ */
.grid-container{max-width:1200px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;width:100%;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px;}
.grid-x{display:flex;flex-flow:row wrap;}
@media screen and (min-width:1440px){.grid-container{max-width:1280px;}}
@media screen and (max-width:640px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .grid-margin-x{margin-left:-8px;margin-right:-8px;}
  .grid-margin-x>.cell{padding-left:8px;padding-right:8px;}
}

/* ============ 板块间距 ============ */
.section{padding:104px 0;position:relative;}
.section--alt{background:var(--bg-1);}
.section--deep{background:linear-gradient(180deg,var(--bg-1),var(--bg-0));}
.section-head{margin-bottom:48px;max-width:720px;}
.section-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:1.6px;
  color:var(--cyan);text-transform:uppercase;margin-bottom:16px;font-weight:500;
}
.h2{font-size:32px;line-height:1.3;font-weight:700;letter-spacing:.3px;}
.h3{font-size:21px;line-height:1.4;font-weight:600;}
.lead{color:var(--text-2);font-size:16px;margin-top:16px;}
.muted{color:var(--text-3);font-size:13px;line-height:1.6;}
@media screen and (max-width:1024px){
  .section{padding:72px 0;}
  .h2{font-size:26px;}
}
@media screen and (max-width:640px){
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .section-head--split{flex-direction:column;align-items:flex-start;gap:16px;}
  .h2{font-size:24px;}
  .h3{font-size:18px;}
  body{font-size:15px;}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;
  transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
  white-space:nowrap;
}
.btn i{font-size:14px;}
.btn--primary{
  background:var(--brand);color:#0A0F16;
  box-shadow:0 0 0 1px rgba(255,90,30,.6),0 0 24px rgba(255,90,30,.35);
}
.btn--primary:hover,.btn--primary:focus{background:var(--brand-hover);color:#0A0F16;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,90,30,.8),0 0 34px rgba(255,90,30,.5);}
.btn--primary:active{background:var(--brand-active);transform:translateY(2px);box-shadow:0 0 0 1px rgba(224,71,15,.7),0 0 16px rgba(255,90,30,.28);}
.btn--ghost{
  background:var(--glass);color:var(--text);
  border-color:var(--border-strong);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.btn--ghost:hover,.btn--ghost:focus{color:var(--text);border-color:rgba(255,90,30,.7);background:rgba(255,90,30,.1);transform:translateY(-1px);}
.btn--ghost:active{transform:translateY(2px);background:rgba(255,90,30,.16);}
.btn--outline{background:transparent;border-color:var(--border-strong);color:var(--text);}
.btn--outline:hover,.btn--outline:focus{border-color:var(--brand);color:var(--brand);background:rgba(255,90,30,.08);}
.btn--sm{min-height:38px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn--wide{width:100%;}
.btn--pill{border-radius:var(--radius-pill);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

.link-more{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:500;color:var(--brand);
  position:relative;padding-bottom:2px;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--brand);
  transition:width var(--dur) var(--ease);
}
.link-more:hover{color:var(--brand-hover);}
.link-more:hover::after{width:100%;}
.link-more i{transition:transform var(--dur) var(--ease);}
.link-more:hover i{transform:translateX(4px);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  height:68px;
  background:rgba(7,12,20,.62);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background-color var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,12,20,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--border-strong);
  box-shadow:0 12px 32px rgba(0,0,0,.45);
}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex-shrink:0;}
.brand:hover{color:var(--text);}
.brand__mark{
  width:34px;height:34px;display:flex;align-items:center;justify-content:center;
  border-radius:11px;background:rgba(255,90,30,.12);border:1px solid rgba(255,90,30,.35);
  color:var(--brand);
}
.brand__mark svg{width:22px;height:22px;}
.brand__text{font-size:18px;font-weight:700;letter-spacing:.5px;}
.main-nav{flex:1 1 auto;display:flex;justify-content:center;}
.chip-group{
  display:inline-flex;align-items:center;gap:4px;padding:4px;
  border:1px solid var(--border);border-radius:var(--radius-pill);
  background:rgba(255,255,255,.03);
}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--radius-pill);
  font-size:14px;color:var(--text-2);border:1px solid transparent;position:relative;
  transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.chip:hover,.chip:focus{color:var(--text);background:rgba(255,255,255,.05);}
.chip.is-active{
  color:var(--brand);background:var(--brand-soft);border-color:rgba(255,90,30,.55);
}
.chip.is-active::before{
  content:"";position:absolute;left:16px;right:16px;top:2px;height:2px;border-radius:2px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:16px;flex-shrink:0;}
.header-link{font-size:14px;color:var(--text-2);}
.header-link:hover{color:var(--brand);}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  align-items:center;justify-content:center;background:rgba(255,255,255,.03);
}
.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after{
  display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;
}
.menu-toggle span::before{content:"";position:absolute;top:-6px;left:0;width:18px;}
.menu-toggle span::after{content:"";position:absolute;top:6px;left:0;width:18px;}
@media screen and (max-width:1099px){
  .main-nav{display:none;}
  .header-link{display:none;}
  .menu-toggle{display:inline-flex;}
}
@media screen and (max-width:640px){
  .site-header{height:56px;}
  .site-header__inner{height:56px;}
  .brand__text{font-size:16px;}
  .header-actions .btn{display:none;}
}

/* ============ 移动抽屉 ============ */
.off-canvas{background:rgba(9,15,24,.98);border-left:1px solid var(--border);z-index:95;}
.mobile-drawer{padding:20px 20px 32px;display:flex;flex-direction:column;height:100%;}
.mobile-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.mobile-drawer__nav li{border-bottom:1px solid var(--border);}
.mobile-drawer__nav a{
  display:flex;align-items:center;height:56px;font-size:17px;color:var(--text-2);
  border-left:3px solid transparent;padding-left:14px;
}
.mobile-drawer__nav a.is-active{color:var(--brand);border-left-color:var(--brand);background:rgba(255,90,30,.08);}
.mobile-drawer__cta{margin-top:auto;padding-top:24px;}
.mobile-drawer__cta .btn{width:100%;}
.close-button{
  color:var(--text-2);font-size:30px;line-height:1;width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;border-radius:12px;
}
.close-button:hover{color:var(--brand);background:rgba(255,255,255,.05);}
.js-off-canvas-overlay{background:rgba(3,6,12,.66);z-index:90;}

/* ============ Hero ============ */
.hero{
  position:relative;padding:88px 0 96px;overflow:hidden;
  background:
    radial-gradient(720px 460px at 88% 8%,rgba(255,90,30,.16),transparent 68%),
    radial-gradient(560px 420px at 4% 92%,rgba(47,216,192,.10),transparent 70%),
    var(--bg-0);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.07;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:26px 26px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.8),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.8),transparent 78%);
}
.hero__grid{position:relative;z-index:2;align-items:center;}
.hero__title{
  font-size:46px;line-height:1.22;letter-spacing:.5px;font-weight:700;margin-top:8px;
  max-width:15em;
}
.hero__title em{font-style:normal;color:var(--brand);}
.hero__sub{color:var(--text-2);font-size:17px;line-height:1.8;margin-top:20px;max-width:34em;}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero__stats{
  display:flex;flex-wrap:wrap;gap:0;margin-top:44px;
  border-top:1px solid var(--border);padding-top:24px;
}
.hero__stats li{
  flex:1 1 0;min-width:130px;padding:0 20px;border-left:1px solid var(--border);
}
.hero__stats li:first-child{border-left:none;padding-left:0;}
.hero__stats strong{
  display:block;font-family:var(--font-num);font-size:34px;line-height:1.1;
  font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;
}
.hero__stats span{display:block;font-size:13px;color:var(--text-3);margin-top:6px;line-height:1.6;}
.hero__visual{position:relative;}
.hero__figure{
  position:relative;aspect-ratio:16/10;border-radius:var(--radius-glass);overflow:hidden;
  box-shadow:var(--shadow-card);border:1px solid var(--border);
}
.hero__figure img{width:100%;height:100%;object-fit:cover;}
.hero__figure::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-glass);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);pointer-events:none;
}
.hero__badge-card{
  position:absolute;right:-14px;bottom:-32px;width:min(280px,80%);
  display:flex;align-items:center;gap:14px;padding:14px;
  border-radius:var(--radius-glass);background:var(--glass);border:1px solid var(--border-strong);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.hero__badge-card img{width:52px;height:52px;object-fit:cover;border-radius:12px;flex-shrink:0;}
.hero__badge-card strong{display:block;font-size:15px;color:var(--text);}
.hero__badge-card span{display:block;font-size:12px;color:var(--text-3);line-height:1.5;}
@media screen and (max-width:1024px){
  .hero{padding:64px 0 72px;}
  .hero__title{font-size:36px;max-width:none;}
  .hero__visual{margin-top:48px;}
  .hero__badge-card{right:0;bottom:-20px;}
}
@media screen and (max-width:640px){
  .hero{padding:48px 0 64px;}
  .hero__title{font-size:32px;}
  .hero__sub{font-size:15px;margin-top:16px;}
  .hero__cta{margin-top:24px;}
  .hero__cta .btn{flex:1 1 auto;}
  .hero__stats{margin-top:32px;}
  .hero__stats li{flex:1 1 46%;padding:12px 0;border-left:none;border-top:1px solid var(--border);}
  .hero__stats li:nth-child(1),.hero__stats li:nth-child(2){border-top:none;}
  .hero__stats strong{font-size:26px;}
  .hero__visual{margin-top:40px;}
  .hero__badge-card{position:static;width:100%;margin-top:16px;}
}

/* ============ 内联 CTA 窄带 ============ */
.inline-cta{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--bg-1);}
.inline-cta__inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px 0;
}
.inline-cta p{font-size:17px;font-weight:500;color:var(--text);}
.inline-cta span{font-size:13px;color:var(--text-3);display:block;margin-top:4px;}
@media screen and (max-width:760px){
  .inline-cta__inner{flex-direction:column;align-items:flex-start;gap:16px;padding:20px 0;}
  .inline-cta__inner .btn{width:100%;}
}

/* ============ 卖点（不对称） ============ */
.value-grid{align-items:start;}
.value-card{
  background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-card);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
  margin-bottom:24px;
}
.value-card:hover{transform:translateY(-4px);border-color:rgba(255,90,30,.5);box-shadow:var(--shadow-hover);}
.value-card__icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--cyan-soft);color:var(--cyan);border:1px solid rgba(47,216,192,.3);font-size:17px;
  margin-bottom:16px;
}
.value-card h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.value-card p{color:var(--text-2);font-size:14px;line-height:1.75;}
.value-col-offset{margin-top:24px;}
@media screen and (max-width:1024px){.value-col-offset{margin-top:0;}}

/* ============ 演示（Tabs） ============ */
.demo-tabs-wrap{margin-bottom:32px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.demo-tabs-wrap::-webkit-scrollbar{display:none;}
ul.demo-tabs{
  display:inline-flex;align-items:center;gap:4px;margin:0;padding:4px;
  border:1px solid var(--border);border-radius:var(--radius-pill);background:rgba(255,255,255,.03);
  list-style:none;
}
ul.demo-tabs::before,ul.demo-tabs::after{display:none;}
ul.demo-tabs li{float:none;margin:0;}
ul.demo-tabs .tabs-title>a{
  display:inline-flex;align-items:center;height:36px;padding:0 18px;line-height:36px;
  font-size:14px;font-weight:500;color:var(--text-2);background:transparent;
  border:1px solid transparent;border-radius:var(--radius-pill);
  transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
ul.demo-tabs .tabs-title>a:hover{color:var(--text);background:rgba(255,255,255,.06);}
ul.demo-tabs .tabs-title.is-active>a{color:var(--brand);background:var(--brand-soft);border-color:rgba(255,90,30,.55);}
.demo-panels>.tabs-panel{padding:0;outline:none;}
.tabs-content.demo-panels{margin:0;padding:0;border:none;background:transparent;}
.demo-media{
  aspect-ratio:16/10;border-radius:var(--radius-glass);overflow:hidden;position:relative;
  border:1px solid var(--border);box-shadow:var(--shadow-card);
}
.demo-media img{width:100%;height:100%;object-fit:cover;}
.demo-media::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);border-radius:var(--radius-glass);}
.demo-points li{
  display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--border);color:var(--text-2);font-size:15px;
}
.demo-points li:last-child{border-bottom:none;}
.demo-points i{color:var(--cyan);font-size:14px;margin-top:7px;}
.demo-points strong{color:var(--text);font-weight:600;}

/* ============ 资讯卡片 ============ */
.news-grid{row-gap:0;}
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);margin-bottom:24px;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(255,90,30,.5);box-shadow:var(--shadow-hover);}
.news-card__link{display:flex;flex-direction:column;height:100%;color:inherit;}
.news-card__link:hover{color:inherit;}
.news-card__media{aspect-ratio:16/9;overflow:hidden;position:relative;}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease);}
.news-card:hover .news-card__media img{transform:scale(1.04);}
.news-card__body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto;}
.badge{
  display:inline-flex;align-items:center;align-self:flex-start;height:24px;padding:0 10px;
  border-radius:var(--radius-pill);font-size:12px;line-height:1;
  background:var(--cyan-soft);color:var(--cyan);border:1px solid rgba(47,216,192,.28);
}
.badge--amber{background:rgba(255,176,32,.12);color:var(--amber);border-color:rgba(255,176,32,.3);}
.news-card__title{
  font-size:18px;font-weight:600;line-height:1.5;margin-top:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__excerpt{
  color:var(--text-2);font-size:14px;line-height:1.7;margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:16px;border-top:1px solid var(--border);
  font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.news-card__meta i{color:var(--text-3);transition:transform var(--dur) var(--ease),color var(--dur) var(--ease);}
.news-card:hover .news-card__meta i{transform:translateX(4px);color:var(--brand);}

/* ============ 空态 ============ */
.empty-state{
  text-align:center;padding:64px 24px;border:1px dashed var(--border-strong);border-radius:var(--radius-card);
  background:rgba(255,255,255,.02);
}
.empty-state i{font-size:30px;color:var(--text-3);}
.empty-state p{margin-top:16px;color:var(--text-2);font-size:15px;}
.empty-state .btn{margin-top:20px;}

/* ============ 证据 ============ */
.metrics-bar{
  display:flex;flex-wrap:wrap;border:1px solid var(--border);border-radius:var(--radius-card);
  background:var(--bg-2);padding:24px 0;margin-bottom:40px;
}
.metrics-bar li{flex:1 1 0;min-width:160px;padding:0 24px;border-left:1px solid var(--border);}
.metrics-bar li:first-child{border-left:none;}
.metrics-bar strong{
  display:block;font-family:var(--font-num);font-size:36px;font-weight:700;line-height:1.1;
  color:var(--text);font-variant-numeric:tabular-nums;
}
.metrics-bar strong i{font-style:normal;font-size:18px;color:var(--brand);margin-left:2px;}
.metrics-bar span{display:block;font-size:13px;color:var(--text-3);margin-top:6px;}
.proof-card{
  background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:28px;height:100%;margin-bottom:24px;box-shadow:var(--shadow-card);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.proof-card:hover{transform:translateY(-4px);border-color:rgba(47,216,192,.4);}
.proof-card h3{font-size:20px;margin-bottom:12px;}
.proof-card p{color:var(--text-2);font-size:15px;line-height:1.8;}
.proof-card__quote{
  margin-top:20px;padding-left:16px;border-left:3px solid var(--cyan);color:var(--text-2);font-size:14px;
}
.logo-strip{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.logo-strip span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:132px;height:52px;padding:0 18px;
  border:1px solid var(--border);border-radius:12px;background:rgba(255,255,255,.02);
  font-size:13px;color:var(--text-3);filter:grayscale(1);opacity:.75;
  transition:opacity var(--dur) var(--ease),filter var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.logo-strip span:hover{opacity:1;filter:grayscale(0);border-color:rgba(255,90,30,.4);color:var(--text-2);}

/* ============ 价格 ============ */
.price-grid{align-items:stretch;}
.price-card{
  position:relative;display:flex;flex-direction:column;height:100%;
  background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:32px 28px;box-shadow:var(--shadow-card);margin-bottom:24px;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.price-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.18);}
.price-card--featured{
  background:var(--glass);border:1px solid rgba(255,90,30,.6);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 0 0 1px rgba(255,90,30,.4),0 24px 56px rgba(0,0,0,.5),0 0 28px rgba(255,90,30,.22);
  transform:translateY(-8px);
}
.price-card--featured:hover{transform:translateY(-12px);}
.price-card__flag{
  position:absolute;top:-13px;left:28px;height:26px;padding:0 12px;border-radius:var(--radius-pill);
  background:var(--brand);color:#0A0F16;font-size:12px;font-weight:700;line-height:26px;
}
.price-card h3{font-size:20px;font-weight:600;}
.price-card__for{color:var(--text-3);font-size:13px;margin-top:8px;line-height:1.6;}
.price-card__num{
  display:flex;align-items:flex-end;gap:6px;margin:24px 0 8px;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
}
.price-card__num strong{font-size:44px;font-weight:700;line-height:1;color:var(--text);}
.price-card--featured .price-card__num strong{color:var(--brand);}
.price-card__num span{font-size:14px;color:var(--text-3);padding-bottom:4px;}
.price-list{margin:24px 0;border-top:1px solid var(--border);padding-top:20px;}
.price-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);padding:8px 0;line-height:1.7;}
.price-list i{color:var(--cyan);font-size:13px;margin-top:7px;flex-shrink:0;}
.price-card .btn{margin-top:auto;}
.price-note{font-size:12px;color:var(--text-3);margin-top:14px;line-height:1.6;}

/* ============ FAQ ============ */
.faq-wrap{align-items:start;}
.faq-intro p{color:var(--text-2);font-size:15px;margin-top:16px;}
.faq-intro .link-more{margin-top:20px;}
ul.faq-accordion{border:none;background:transparent;margin:0;}
ul.faq-accordion .accordion-item{
  border:none;border-bottom:1px solid var(--border);background:transparent;
}
ul.faq-accordion .accordion-title{
  display:flex;align-items:center;gap:14px;
  padding:20px 48px 20px 0;background:transparent;border:none;
  color:var(--text);font-size:17px;font-weight:600;line-height:1.6;
  transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
ul.faq-accordion .accordion-title:hover{background:rgba(255,255,255,.03);color:var(--brand);}
ul.faq-accordion .accordion-title::before{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  color:var(--brand);font-size:22px;font-weight:400;line-height:1;
  transition:transform var(--dur) var(--ease);
}
ul.faq-accordion .accordion-item.is-active .accordion-title::before{content:"−";transform:translateY(-50%) rotate(180deg);}
ul.faq-accordion .accordion-title .faq-num{
  font-family:var(--font-num);font-size:14px;color:var(--cyan);font-weight:700;
  font-variant-numeric:tabular-nums;flex-shrink:0;
}
ul.faq-accordion .accordion-content{
  background:rgba(255,255,255,.02);border:none;color:var(--text-2);
  font-size:15px;line-height:1.85;padding:0 24px 20px 42px;
}

/* ============ 结尾 CTA ============ */
.final-cta{padding:0 0 104px;}
.final-cta__box{
  position:relative;overflow:hidden;border-radius:var(--radius-glass);
  border:1px solid var(--border-strong);padding:56px 48px;
  background:
    radial-gradient(520px 320px at 88% 12%,rgba(255,90,30,.22),transparent 70%),
    linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.015)),
    var(--bg-1);
}
.final-cta__box h2{font-size:30px;line-height:1.35;font-weight:700;max-width:22em;}
.final-cta__box p{color:var(--text-2);margin-top:16px;max-width:38em;}
.final-cta__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

/* ============ 页脚 ============ */
.site-footer{background:#05090F;border-top:1px solid var(--border);}
.footer-strip{
  border-bottom:1px solid var(--border);
  background:linear-gradient(90deg,rgba(255,90,30,.14),rgba(47,216,192,.08));
}
.footer-strip__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px 0;}
.footer-strip strong{font-size:18px;font-weight:600;}
.footer-strip span{display:block;font-size:13px;color:var(--text-3);margin-top:4px;}
.footer-main{padding:56px 0 32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand__mark{width:32px;height:32px;}
.footer-brand .brand__mark svg{width:20px;height:20px;}
.footer-brand b{font-size:17px;letter-spacing:.4px;}
.footer-col p{color:var(--text-3);font-size:14px;line-height:1.8;max-width:26em;}
.footer-contact{margin-top:16px;font-size:13px;color:var(--text-3);line-height:1.9;}
.footer-col h4{font-size:14px;color:var(--text);letter-spacing:.6px;margin-bottom:16px;font-weight:600;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--text-3);display:inline-block;transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);}
.footer-col a:hover{color:var(--brand);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid var(--border);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.footer-bottom .dot{margin:0 8px;opacity:.4;}
@media screen and (max-width:1024px){
  .footer-main{padding:44px 0 24px;}
  .footer-col{margin-bottom:28px;}
  .final-cta{padding:0 0 72px;}
  .final-cta__box{padding:36px 28px;}
  .final-cta__box h2{font-size:24px;}
}
@media screen and (max-width:640px){
  .footer-strip__inner{flex-direction:column;align-items:flex-start;gap:14px;}
  .footer-strip__inner .btn{width:100%;}
  .final-cta{padding:0 0 56px;}
  .final-cta__actions .btn{width:100%;}
  .metrics-bar{padding:16px 0;}
  .metrics-bar li{flex:1 1 100%;border-left:none;border-top:1px solid var(--border);padding:16px 20px;}
  .metrics-bar li:first-child{border-top:none;}
}

/* ============ 浮动 CTA / 回到顶部 ============ */
.float-cta{
  position:fixed;right:32px;bottom:32px;z-index:70;
  display:flex;align-items:center;gap:10px;
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.float-cta.is-visible{opacity:1;transform:none;pointer-events:auto;}
.float-cta__sub{display:none;}
.to-top{
  position:fixed;right:36px;bottom:116px;z-index:70;
  width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--border-strong);color:var(--text-2);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.to-top.is-visible{opacity:1;transform:none;pointer-events:auto;}
.to-top:hover{color:var(--brand);border-color:rgba(255,90,30,.6);}
@media screen and (max-width:640px){
  body{padding-bottom:76px;}
  .float-cta{
    left:0;right:0;bottom:0;padding:8px 16px calc(8px + env(safe-area-inset-bottom));
    background:rgba(7,12,20,.94);border-top:1px solid var(--border-strong);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    transform:translateY(100%);
  }
  .float-cta.is-visible{transform:translateY(0);}
  .float-cta .btn{flex:1 1 0;min-height:46px;}
  .float-cta__sub{display:inline-flex;}
  .to-top{display:none;}
}

/* ============ 降级 / 动效偏好 ============ */
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .btn--ghost,.hero__badge-card,.to-top{background:var(--glass-solid);}
  .site-header{background:rgba(7,12,20,.94);}
  .site-header.is-scrolled{background:rgba(7,12,20,.96);}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;}
  html{scroll-behavior:auto;}
  .news-card:hover,.value-card:hover,.proof-card:hover,.price-card:hover{transform:none;}
  .news-card:hover .news-card__media img{transform:none;}
}

/* roulang page: article */
:root{
  --bg-0:#070C14;
  --bg-1:#0C1420;
  --bg-2:#121C2B;
  --brand:#FF5A1E;
  --brand-hover:#FF7A45;
  --brand-active:#E0470F;
  --brand-soft:rgba(255,90,30,.14);
  --brand-glow:rgba(255,90,30,.35);
  --cyan:#2FD8C0;
  --cyan-soft:rgba(47,216,192,.12);
  --amber:#FFB020;
  --text-1:#EAF1F8;
  --text-2:#A9B7C6;
  --text-3:#6E8092;
  --on-brand:#0A0F16;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --glass:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  --r-card:16px;
  --r-glass:20px;
  --r-btn:12px;
  --r-img:14px;
  --r-chip:999px;
  --shadow-1:0 0 0 1px rgba(255,255,255,.06),0 18px 40px rgba(0,0,0,.45);
  --shadow-hover:0 0 0 1px rgba(255,90,30,.34),0 20px 44px rgba(0,0,0,.5),0 0 28px rgba(255,90,30,.2);
  --dur:220ms;
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.1px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--text-1);text-decoration:none;transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);}
a:hover,a:focus{color:var(--brand-hover);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
  border-radius:6px;
}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text-1);letter-spacing:.5px;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
::selection{background:rgba(255,90,30,.32);color:#fff;}

/* ---------- Foundation 覆盖 ---------- */
.button,.button.primary,.button.secondary{background:none;color:inherit;border-radius:0;padding:0;margin:0;font-size:inherit;}
.menu a{display:block;padding:0;}
.grid-container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{margin-left:12px;margin-right:12px;width:calc(100% - 24px);}
@media screen and (min-width:640px){
  .grid-margin-x>.cell{width:calc(33.3333% - 24px);}
  .grid-margin-x>.medium-6{width:calc(50% - 24px);}
  .grid-margin-x>.medium-12{width:calc(100% - 24px);}
}
@media screen and (min-width:1024px){
  .grid-margin-x>.cell{width:calc(25% - 24px);}
  .grid-margin-x>.large-2{width:calc(16.6667% - 24px);}
  .grid-margin-x>.large-3{width:calc(25% - 24px);}
  .grid-margin-x>.large-4{width:calc(33.3333% - 24px);}
  .grid-margin-x>.large-5{width:calc(41.6667% - 24px);}
  .grid-margin-x>.large-7{width:calc(58.3333% - 24px);}
  .grid-margin-x>.large-8{width:calc(66.6667% - 24px);}
  .grid-margin-x>.large-9{width:calc(75% - 24px);}
  .grid-margin-x>.large-12{width:calc(100% - 24px);}
}
@media screen and (min-width:1440px){
  .grid-container{max-width:1280px;}
}
.off-canvas{background:var(--bg-1);color:var(--text-1);border-left:1px solid var(--line);}
.off-canvas-content{background:var(--bg-0);}
.off-canvas .close-button{color:var(--text-2);}
.off-canvas .close-button:hover{color:var(--brand);}
.reveal{background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-glass);}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.4px;
  cursor:pointer;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.btn--sm{height:42px;padding:0 18px;font-size:14px;}
.btn--primary{
  background:linear-gradient(180deg,#FF6A34,#F04E12);
  color:var(--on-brand);
  box-shadow:0 0 0 1px rgba(255,90,30,.6),0 0 24px rgba(255,90,30,.32);
}
.btn--primary:hover,.btn--primary:focus{
  background:linear-gradient(180deg,#FF8757,var(--brand-hover));
  color:var(--on-brand);
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(255,90,30,.75),0 0 34px rgba(255,90,30,.45);
}
.btn--primary:active{background:var(--brand-active);transform:translateY(2px);box-shadow:0 0 0 1px rgba(224,71,15,.8);}
.btn--ghost{
  background:var(--glass);
  border-color:var(--line-strong);
  color:var(--text-1);
  backdrop-filter:blur(14px);
}
.btn--ghost:hover,.btn--ghost:focus{color:var(--brand-hover);border-color:rgba(255,90,30,.6);transform:translateY(-1px);}
.btn--ghost:active{transform:translateY(2px);}
.btn--outline{
  background:transparent;border-color:rgba(47,216,192,.5);color:var(--cyan);
}
.btn--outline:hover,.btn--outline:focus{background:var(--cyan-soft);border-color:var(--cyan);color:#7FF0E0;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--text-2);
  border-bottom:1px solid transparent;position:relative;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--brand);
  transition:width var(--dur) var(--ease);
}
.link-more:hover{color:var(--brand);}
.link-more:hover::after{width:100%;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-chip);
  background:var(--cyan-soft);color:var(--cyan);
  font-size:12px;line-height:1.5;letter-spacing:.4px;
  border:1px solid rgba(47,216,192,.22);
}
.badge--brand{background:var(--brand-soft);color:var(--brand-hover);border-color:rgba(255,90,30,.28);}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section__head h2{font-size:32px;line-height:1.3;}
.section__head p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:660px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:2px;color:var(--cyan);text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:40px;height:2px;background:var(--brand);display:block;}
.rule{height:1px;background:var(--line);border:0;margin:0;}
.anchor-target{scroll-margin-top:84px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  height:var(--nav-h);
  background:rgba(7,12,20,.72);
  border-bottom:1px solid transparent;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),backdrop-filter var(--dur) var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,12,20,.82);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line-strong);
  box-shadow:0 12px 30px rgba(0,0,0,.42);
}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:var(--nav-h);}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--text-1);}
.brand__mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(255,90,30,.22),rgba(47,216,192,.12));
  border:1px solid var(--line-strong);color:var(--brand);
}
.brand__mark svg{width:26px;height:26px;}
.brand b{font-size:18px;letter-spacing:1px;font-weight:700;}
.brand:hover{color:var(--text-1);}
.main-nav{flex:1 1 auto;display:flex;justify-content:center;}
.chip-group{
  display:inline-flex;align-items:center;gap:4px;
  padding:4px;border-radius:var(--r-chip);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.chip{
  position:relative;display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:var(--r-chip);font-size:14px;color:var(--text-2);white-space:nowrap;
}
.chip:hover{color:var(--text-1);background:rgba(255,255,255,.06);}
.chip.is-active{
  color:var(--brand-hover);
  background:var(--brand-soft);
  box-shadow:inset 0 0 0 1px rgba(255,90,30,.55);
  backdrop-filter:blur(10px);
}
.chip.is-active::before{
  content:"";position:absolute;left:14px;right:14px;top:-1px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:16px;}
.nav-actions .text-link{font-size:14px;color:var(--text-2);}
.nav-actions .text-link:hover{color:var(--brand);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.04);color:var(--text-1);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{color:var(--brand);border-color:rgba(255,90,30,.5);}

/* ---------- 浮动 CTA / 返回顶部 ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:70;
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta .btn{border-radius:var(--r-chip);height:50px;padding:0 22px;}
.mobile-cta-bar{display:none;}
.to-top{
  position:fixed;right:28px;bottom:100px;z-index:65;width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(18,28,43,.72);border:1px solid var(--line-strong);color:var(--text-2);
  backdrop-filter:blur(14px);cursor:pointer;
  opacity:0;transform:translateY(10px);pointer-events:none;
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),color var(--dur) var(--ease);
}
.to-top.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.to-top:hover{color:var(--brand);border-color:rgba(255,90,30,.55);}

/* ---------- 面包屑 ---------- */
.crumbs{padding:28px 0 0;font-size:13px;color:var(--text-3);}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"›";color:var(--text-3);}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--brand);}
.crumbs .is-current{color:var(--cyan);}

/* ---------- 文章头 ---------- */
.article-hero{padding:36px 0 8px;}
.article-hero__cat{
  display:inline-flex;align-items:center;gap:10px;color:var(--brand-hover);
  font-size:14px;letter-spacing:1px;margin-bottom:18px;
}
.article-hero__cat::before{content:"";width:40px;height:2px;background:var(--brand);display:block;}
.article-hero h1{font-size:46px;line-height:1.22;letter-spacing:.5px;max-width:940px;}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:22px;font-size:13px;color:var(--text-3);
}
.meta-row span{display:inline-flex;align-items:center;gap:6px;}
.meta-row .sep{width:1px;height:12px;background:var(--line-strong);}
.article-hero__cover{
  margin-top:32px;border-radius:var(--r-img);overflow:hidden;
  aspect-ratio:21/9;position:relative;border:1px solid var(--line);
}
.article-hero__cover img{width:100%;height:100%;object-fit:cover;border-radius:0;}

/* ---------- 主体布局 ---------- */
.article-main{padding:48px 0 24px;}
.article-body{max-width:780px;}
.article-content{color:#DDE7F1;font-size:16px;line-height:1.9;}
.article-content p{margin:0 0 1.1em;}
.article-content h2{
  font-size:28px;line-height:1.35;margin:48px 0 18px;padding-left:14px;position:relative;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand);
}
.article-content h3{
  font-size:20px;font-weight:600;margin:32px 0 12px;padding-left:18px;position:relative;
}
.article-content h3::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--cyan);
}
.article-content blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--cyan);
  background:rgba(255,255,255,.035);border-radius:0 12px 12px 0;color:var(--text-2);
}
.article-content ul,.article-content ol{margin:0 0 1.2em;padding-left:22px;}
.article-content ul li{position:relative;padding-left:4px;margin-bottom:8px;list-style:none;}
.article-content ul li::before{
  content:"";position:absolute;left:-16px;top:12px;width:7px;height:7px;background:var(--brand);border-radius:1px;
}
.article-content ol{list-style:decimal;}
.article-content ol li{margin-bottom:8px;color:#DDE7F1;}
.article-content ol li::marker{color:var(--cyan);font-weight:700;}
.article-content img{border-radius:var(--r-img);margin:26px 0 10px;width:100%;height:auto;}
.article-content figure{margin:0 0 26px;}
.article-content figcaption{font-size:13px;color:var(--text-3);text-align:center;}
.article-content table{margin:24px 0;font-size:14px;}
.article-content th,.article-content td{
  border:1px solid var(--line);padding:12px 14px;text-align:left;color:var(--text-2);
}
.article-content th{background:rgba(255,255,255,.045);color:var(--text-1);font-weight:600;}
.article-content a{color:var(--cyan);border-bottom:1px solid rgba(47,216,192,.35);}
.article-content a:hover{color:var(--brand-hover);border-bottom-color:rgba(255,90,30,.55);}
.article-content strong{color:#fff;font-weight:600;}

/* ---------- 作者条 / 空态 ---------- */
.author-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:40px;padding:18px 22px;border-radius:var(--r-glass);
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px);
}
.author-bar__left{display:flex;align-items:center;gap:14px;}
.author-bar__left img{width:44px;height:44px;border-radius:50%;object-fit:cover;aspect-ratio:1/1;}
.author-bar strong{display:block;font-size:14px;}
.author-bar span{font-size:13px;color:var(--text-3);}
.empty-state{
  text-align:center;padding:80px 24px;border:1px dashed var(--line-strong);
  border-radius:var(--r-card);background:rgba(255,255,255,.02);
}
.empty-state svg{width:46px;height:46px;color:var(--text-3);margin-bottom:18px;}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--text-2);margin-bottom:24px;}

/* ---------- 侧栏 ---------- */
.sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:96px;}
.side-card{
  border-radius:var(--r-card);border:1px solid var(--line);
  background:var(--bg-1);padding:22px;
}
.side-card h3{font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);}
.side-meta li{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3);padding:9px 0;border-bottom:1px dashed var(--line);}
.side-meta li:last-child{border-bottom:0;}
.side-meta li b{color:var(--text-2);font-weight:500;}
.side-links li{border-bottom:1px dashed var(--line);}
.side-links li:last-child{border-bottom:0;}
.side-links a{display:flex;gap:10px;align-items:flex-start;padding:11px 0;font-size:14px;color:var(--text-2);}
.side-links a:hover{color:var(--brand-hover);transform:translateX(2px);}
.side-links .idx{color:var(--cyan);font-weight:700;font-variant-numeric:tabular-nums;font-size:13px;}

/* ---------- 相关推荐 ---------- */
.related{padding:72px 0 24px;}
.card{
  display:flex;flex-direction:column;height:100%;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(255,90,30,.42);box-shadow:var(--shadow-hover);}
.card__figure{aspect-ratio:16/9;overflow:hidden;position:relative;background:var(--bg-2);}
.card__figure img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 420ms var(--ease);}
.card:hover .card__figure img{transform:scale(1.04);}
.card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.card__body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card__body p{
  font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.card__foot i{transition:transform var(--dur) var(--ease);}
.card:hover .card__foot i{transform:translateX(4px);color:var(--brand);}

/* ---------- 返回入口 ---------- */
.back-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:40px;}

/* ---------- CTA 窄带 ---------- */
.cta-band{
  border-radius:var(--r-glass);border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(255,90,30,.12),rgba(47,216,192,.06) 70%,transparent);
  padding:28px 30px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
}
.cta-band p{font-size:15px;color:var(--text-2);}
.cta-band strong{display:block;font-size:19px;color:var(--text-1);margin-bottom:6px;font-weight:700;}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:96px;background:#05090F;border-top:1px solid var(--line-strong);}
.footer-strip{background:linear-gradient(100deg,rgba(255,90,30,.16),rgba(47,216,192,.07));border-bottom:1px solid var(--line);}
.footer-strip__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;padding:22px 0;}
.footer-strip strong{display:block;font-size:17px;margin-bottom:4px;}
.footer-strip span{font-size:13px;color:var(--text-2);}
.footer-main{padding:56px 0 34px;}
.footer-col h4{font-size:15px;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--text-2);display:inline-block;}
.footer-col a:hover{color:var(--brand);transform:translateX(-2px);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;color:var(--text-1);}
.footer-brand b{font-size:17px;}
.footer-col p{font-size:14px;color:var(--text-2);max-width:340px;line-height:1.8;}
.footer-contact{margin-top:16px;font-size:13px;color:var(--text-3);line-height:1.9;}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3);}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- 抽屉 ---------- */
.drawer-list li{border-bottom:1px solid var(--line);}
.drawer-list a{
  display:flex;align-items:center;height:56px;font-size:17px;color:var(--text-2);padding-left:14px;position:relative;
}
.drawer-list a.is-active{color:var(--brand-hover);}
.drawer-list a.is-active::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;background:var(--brand);}
.drawer-foot{padding:22px 12px;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .article-hero h1{font-size:34px;}
  .article-content h2{font-size:24px;}
  .article-content h3{font-size:19px;}
  .sidebar{position:static;margin-top:32px;}
  .section{padding:72px 0;}
  .section__head h2{font-size:26px;}
  .float-cta{display:none;}
}
@media screen and (max-width:639px){
  :root{--nav-h:56px;}
  .main-nav,.nav-actions .text-link{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions{gap:10px;}
  .article-hero{padding:24px 0 4px;}
  .article-hero h1{font-size:32px;}
  .article-content{font-size:15px;}
  .section,.section--tight{padding:56px 0;}
  .section__head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .section__head h2{font-size:24px;}
  .cta-band{padding:22px;}
  .footer-main{padding:44px 0 26px;}
  .footer-col{margin-bottom:28px;}
  .mobile-cta-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:75;
    height:56px;padding:8px 14px;gap:10px;
    background:rgba(7,12,20,.92);backdrop-filter:blur(14px);
    border-top:1px solid var(--line-strong);
  }
  .mobile-cta-bar .btn{flex:1 1 auto;height:40px;font-size:14px;padding:0 12px;}
  body{padding-bottom:56px;}
  .to-top{bottom:72px;right:16px;width:42px;height:42px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category1 */
/* ===================== 设计变量 ===================== */
:root{
  --bg-0:#070C14;
  --bg-1:#0C1420;
  --bg-2:#121C2B;
  --brand:#FF5A1E;
  --brand-hover:#FF7A45;
  --brand-active:#E0470F;
  --brand-soft:rgba(255,90,30,.35);
  --cyan:#2FD8C0;
  --cyan-soft:rgba(47,216,192,.12);
  --amber:#FFB020;
  --text:#EAF1F8;
  --text-2:#A9B7C6;
  --text-3:#6E8092;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --glass:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  --r-card:16px;
  --r-glass:20px;
  --r-btn:12px;
  --r-pill:999px;
  --r-img:14px;
  --sh-1:0 0 0 1px rgba(255,255,255,.06),0 18px 40px rgba(0,0,0,.45);
  --sh-hover:0 0 0 1px rgba(255,90,30,.35),0 18px 40px rgba(0,0,0,.5),0 0 28px rgba(255,90,30,.22);
  --sh-glow:0 0 0 1px rgba(255,90,30,.6),0 0 24px rgba(255,90,30,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:220ms;
  --nav-h:68px;
  --gutter:24px;
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"Inter","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
}
/* ===================== 基础 reset ===================== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease)}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.5px}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus{outline:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
::selection{background:rgba(255,90,30,.35);color:#fff}
[id]{scroll-margin-top:84px}
/* ===================== 基础排版 ===================== */
.h1,.page-head h1{font-size:46px;line-height:1.22;letter-spacing:.5px}
h2,.h2{font-size:32px;line-height:1.3}
h3,.h3{font-size:21px;line-height:1.4;font-weight:600}
.lede{font-size:17px;color:var(--text-2)}
.small{font-size:13px;line-height:1.6;color:var(--text-3)}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:700}
/* ===================== 容器与栅格 ===================== */
.grid-container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;width:100%}
@media screen and (min-width:1440px){.grid-container{max-width:1280px}}
.section{padding:96px 0;position:relative}
.section--tight{padding:64px 0}
.section--alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head p{margin:8px 0 0;color:var(--text-2);max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--cyan);letter-spacing:1px}
.eyebrow::before{content:"";width:40px;height:3px;border-radius:2px;background:var(--brand)}
.divider{height:1px;background:var(--line);margin:32px 0;border:0}
/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.5px;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
  white-space:nowrap;
}
.btn--sm{min-height:38px;padding:0 18px;font-size:14px}
.btn--block{width:100%}
.btn--primary{background:var(--brand);color:#0A0F16;box-shadow:var(--sh-glow)}
.btn--primary:hover{background:var(--brand-hover);color:#0A0F16;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,90,30,.7),0 0 34px rgba(255,90,30,.45)}
.btn--primary:active{background:var(--brand-active);transform:translateY(2px)}
.btn--ghost{background:var(--glass);color:var(--text);border-color:var(--line-strong);backdrop-filter:blur(10px)}
.btn--ghost:hover{border-color:rgba(255,90,30,.55);color:#fff;transform:translateY(-1px)}
.btn--ghost:active{transform:translateY(2px);background:rgba(255,255,255,.04)}
.btn--line{background:transparent;border-color:var(--line-strong);color:var(--text-2)}
.btn--line:hover{border-color:var(--cyan);color:var(--cyan)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--cyan);font-size:15px;font-weight:600;position:relative}
.text-link::after{content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--cyan);transition:width var(--dur) var(--ease)}
.text-link:hover::after{width:100%}
.text-link:hover{color:#7BF0DE}
/* ===================== 徽章 / 标签 ===================== */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);background:var(--cyan-soft);color:var(--cyan);font-size:12px;letter-spacing:.5px;line-height:1}
.badge--brand{background:rgba(255,90,30,.14);color:var(--brand-hover)}
.tag-amber{color:var(--amber)}
/* ===================== 头部导航 ===================== */
.site-header{
  position:sticky;top:0;z-index:100;
  height:var(--nav-h);
  background:rgba(7,12,20,.55);
  border-bottom:1px solid transparent;
  backdrop-filter:blur(0px);
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),backdrop-filter var(--dur) var(--ease);
}
@supports not (backdrop-filter:blur(4px)){.site-header{background:rgba(7,12,20,.96)}}
.site-header.is-scrolled{background:rgba(7,12,20,.82);backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;gap:24px;height:var(--nav-h)}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{width:34px;height:34px;color:var(--brand);display:inline-flex;align-items:center;justify-content:center}
.brand__mark svg{width:34px;height:34px;display:block}
.brand__text{font-size:19px;font-weight:700;letter-spacing:1px;color:var(--text)}
.brand:hover .brand__text{color:var(--brand-hover)}
.main-nav{margin:0 auto}
.chip-group{display:flex;align-items:center;gap:2px;padding:4px;border:1px solid var(--line);border-radius:var(--r-pill);background:rgba(255,255,255,.03)}
.chip{position:relative;display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);font-size:14px;color:var(--text-2);white-space:nowrap;transition:color var(--dur) var(--ease),background var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.chip:hover{color:var(--text);background:rgba(255,255,255,.05)}
.chip.is-active{color:var(--brand-hover);background:rgba(255,90,30,.14);box-shadow:inset 0 0 0 1px rgba(255,90,30,.5);backdrop-filter:blur(10px)}
.chip.is-active::after{content:"";position:absolute;top:3px;left:50%;transform:translateX(-50%);width:20px;height:2px;border-radius:2px;background:var(--brand)}
.header-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.header-link{font-size:14px;color:var(--text-2);border-bottom:1px solid transparent}
.header-link:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease)}
.nav-toggle:hover{border-color:var(--cyan)}
/* ===================== 移动抽屉 ===================== */
.off-canvas.mobile-drawer{background:var(--bg-1);width:310px;border-left:1px solid var(--line);z-index:3000}
.drawer-head{display:flex;align-items:center;gap:10px;height:56px;padding:0 16px;border-bottom:1px solid var(--line)}
.drawer-head b{font-size:17px;letter-spacing:1px}
.drawer-close{margin-left:auto;width:44px;height:44px;font-size:24px;line-height:1;color:var(--text-2);border-radius:10px}
.drawer-close:hover{color:var(--brand-hover)}
.drawer-nav{padding:12px 0}
.drawer-nav a{display:flex;align-items:center;height:56px;padding:0 20px;font-size:17px;color:var(--text-2);border-left:3px solid transparent}
.drawer-nav a:hover{background:rgba(255,255,255,.04);color:var(--text)}
.drawer-nav a.is-active{color:var(--brand-hover);border-left-color:var(--brand);background:rgba(255,90,30,.08)}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--line);position:absolute;left:0;right:0;bottom:0}
.js-off-canvas-overlay{background:rgba(4,7,12,.72);z-index:2900}
/* ===================== 面包屑 ===================== */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--brand-hover)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .current{color:var(--cyan)}
/* ===================== 页头 ===================== */
.page-head{position:relative;padding:56px 0 40px;border-bottom:1px solid var(--line);background:
  radial-gradient(720px 320px at 88% -10%,rgba(255,90,30,.16),transparent 68%),
  radial-gradient(560px 300px at 2% 110%,rgba(47,216,192,.10),transparent 70%),
  var(--bg-0);}
.page-head h1{max-width:900px;margin-bottom:16px}
.page-head__lede{font-size:17px;color:var(--text-2);max-width:720px}
.page-head__row{display:flex;flex-wrap:wrap;align-items:center;gap:16px 28px;margin-top:22px}
.page-head__stats{display:flex;flex-wrap:wrap;gap:28px}
.page-head__stats b{display:block;font-family:var(--font-num);font-size:26px;line-height:1.2;color:var(--brand-hover)}
.page-head__stats span{font-size:13px;color:var(--text-3)}
/* ===================== 锚点侧栏 ===================== */
.anchor-nav{position:sticky;top:88px;background:var(--glass);border:1px solid var(--line);border-radius:var(--r-glass);padding:22px 20px;backdrop-filter:blur(14px)}
@supports not (backdrop-filter:blur(4px)){.anchor-nav{background:rgba(18,28,43,.92)}}
.anchor-nav__title{font-size:13px;letter-spacing:2px;color:var(--text-3);margin-bottom:14px}
.anchor-nav ul{margin-bottom:18px}
.anchor-nav li+li{border-top:1px solid var(--line)}
.anchor-link{display:block;padding:11px 0 11px 14px;font-size:14px;color:var(--text-2);position:relative;transition:color var(--dur) var(--ease),padding var(--dur) var(--ease)}
.anchor-link::before{content:"";position:absolute;left:0;top:16px;width:4px;height:14px;border-radius:2px;background:var(--line-strong);transition:background var(--dur) var(--ease),height var(--dur) var(--ease)}
.anchor-link:hover{color:var(--text);padding-left:18px}
.anchor-link.is-active{color:var(--brand-hover)}
.anchor-link.is-active::before{background:var(--brand);height:20px;top:13px}
/* ===================== 内容区块 ===================== */
.content-col section+section{margin-top:72px}
.block-title{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.block-title::before{content:"";width:4px;height:22px;border-radius:2px;background:var(--brand)}
.prose p{color:var(--text-2)}
.prose strong{color:var(--text)}
.prose ul{margin:0 0 1.2em}
.prose ul li{position:relative;padding-left:20px;color:var(--text-2);margin-bottom:10px}
.prose ul li::before{content:"";position:absolute;left:2px;top:.75em;width:7px;height:7px;background:var(--cyan);border-radius:2px}
/* 数据条 */
.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r-card);background:var(--glass);overflow:hidden;margin:26px 0}
.stat{padding:22px 24px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat b{display:block;font-family:var(--font-num);font-size:40px;line-height:1.15;color:var(--brand-hover)}
.stat span{display:block;font-size:13px;color:var(--text-3);margin-top:6px}
/* 流程 */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:8px}
.flow-item{position:relative;padding:22px 20px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-2);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.flow-item:hover{transform:translateY(-4px);border-color:rgba(255,90,30,.4);box-shadow:var(--sh-hover)}
.flow-item .num{display:block;font-size:13px;color:var(--cyan);letter-spacing:2px;margin-bottom:10px}
.flow-item h3{font-size:18px;margin-bottom:8px}
.flow-item p{margin:0;font-size:14px;color:var(--text-2)}
/* 卡片网格 */
.card-grid{margin-top:-12px}
.sport-card{margin-bottom:24px}
.sport-card__link{display:block;height:100%;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.sport-card__link:hover{transform:translateY(-4px);border-color:rgba(255,90,30,.4);box-shadow:var(--sh-hover)}
.sport-card__link:active{transform:translateY(0)}
.media{position:relative;overflow:hidden;border-radius:var(--r-img);background:var(--bg-1)}
.media--16x9{aspect-ratio:16/9}
.media--16x10{aspect-ratio:16/10}
.media--1x1{aspect-ratio:1/1}
.media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.sport-card__link:hover .media img{transform:scale(1.04)}
.sport-card .media{border-radius:0}
.sport-card__body{padding:20px;display:flex;flex-direction:column;gap:10px}
.sport-card__body h3{font-size:19px}
.sport-card__body p{margin:0;font-size:14px;color:var(--text-2);line-height:1.7}
.card-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);margin-top:2px}
.card-meta .arrow{color:var(--brand-hover);transition:transform var(--dur) var(--ease)}
.sport-card__link:hover .card-meta .arrow{transform:translateX(4px)}
/* 内联 CTA 窄带 */
.inline-cta{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:20px 24px;margin:56px 0;border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:var(--r-card);background:var(--glass)}
.inline-cta p{margin:0;font-size:15px;color:var(--text)}
/* 表单 */
.remind-form{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-glass);padding:28px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13px;color:var(--text-3);letter-spacing:.5px}
.field input,.field select{height:46px;padding:0 14px;background:#0B1220;border:1px solid var(--line-strong);border-radius:var(--r-btn);color:var(--text);font-size:15px;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.field input::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,90,30,.16);outline:none}
.field.has-error input{border-color:#FF5F6D;box-shadow:0 0 0 4px rgba(255,95,109,.14)}
.field .error-text{font-size:13px;color:#FF8A93;min-height:0}
.radio-row{display:flex;flex-wrap:wrap;gap:10px}
.radio-chip{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border:1px solid var(--line-strong);border-radius:var(--r-pill);font-size:14px;color:var(--text-2);cursor:pointer;transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),background var(--dur) var(--ease)}
.radio-chip input{position:absolute;opacity:0;width:0;height:0}
.radio-chip:hover{border-color:var(--cyan);color:var(--text)}
.radio-chip.is-checked{border-color:rgba(255,90,30,.6);color:var(--brand-hover);background:rgba(255,90,30,.12)}
.form-foot{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:24px}
.form-note{font-size:13px;color:var(--text-3);margin:0}
.form-note.is-ok{color:var(--cyan)}
/* FAQ */
.accordion.faq{border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-2);overflow:hidden}
.accordion.faq .accordion-item{border-bottom:1px solid var(--line)}
.accordion.faq .accordion-item:last-child{border-bottom:0}
.accordion.faq .accordion-title{display:flex;align-items:center;gap:14px;padding:20px 56px 20px 22px;font-size:17px;font-weight:600;color:var(--text);background:transparent;border:0;position:relative;transition:color var(--dur) var(--ease),background var(--dur) var(--ease)}
.accordion.faq .accordion-title:hover{color:var(--brand-hover);background:rgba(255,255,255,.03)}
.accordion.faq .accordion-title .faq-num{font-family:var(--font-num);font-size:13px;color:var(--cyan);letter-spacing:1px;flex:0 0 auto}
.accordion.faq .accordion-title::before{content:"＋";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:18px;color:var(--cyan);transition:transform var(--dur) var(--ease),color var(--dur) var(--ease)}
.accordion.faq .accordion-item.is-active .accordion-title{color:var(--brand-hover);background:rgba(255,90,30,.06)}
.accordion.faq .accordion-item.is-active .accordion-title::before{content:"－";transform:translateY(-50%) rotate(180deg)}
.accordion.faq .accordion-content{padding:0 22px 20px 56px;background:transparent;border:0;color:var(--text-2);font-size:15px}
.accordion.faq .accordion-content p:last-child{margin-bottom:0}
/* CTA 带 */
.cta-band{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--r-glass);padding:44px;background:
  radial-gradient(600px 260px at 88% 10%,rgba(255,90,30,.20),transparent 70%),
  var(--bg-2)}
.cta-band h2{max-width:640px;margin-bottom:10px}
.cta-band p{color:var(--text-2);max-width:620px;margin-bottom:24px}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap}
/* 交叉推荐 */
.cross-links{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
.cross-card{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-1);transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.cross-card:hover{transform:translateY(-4px);border-color:rgba(47,216,192,.45);box-shadow:0 0 0 1px rgba(47,216,192,.2),0 18px 40px rgba(0,0,0,.5)}
.cross-card span{font-size:15px;font-weight:600}
.cross-card em{font-style:normal;font-size:12px;color:var(--text-3);display:block;margin-top:4px}
.cross-card .arrow{color:var(--cyan)}
/* ===================== 浮动 CTA / 返回顶部 ===================== */
.float-cta{position:fixed;right:28px;bottom:28px;z-index:80;opacity:0;transform:translateY(14px);pointer-events:none;transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease)}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta__btn{display:inline-flex;align-items:center;gap:8px;height:50px;padding:0 22px;border-radius:var(--r-pill);background:var(--brand);color:#0A0F16;font-weight:700;box-shadow:var(--sh-glow)}
.float-cta__btn:hover{background:var(--brand-hover);box-shadow:0 0 0 1px rgba(255,90,30,.75),0 0 34px rgba(255,90,30,.5)}
.float-cta__btn:active{transform:translateY(2px)}
.to-top{position:fixed;right:28px;bottom:116px;z-index:79;width:46px;height:46px;border-radius:50%;border:1px solid var(--line-strong);background:var(--glass);backdrop-filter:blur(12px);color:var(--text-2);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease)}
.to-top.is-visible{opacity:1;pointer-events:auto}
.to-top:hover{color:var(--brand-hover);transform:translateY(-3px)}
.mobile-cta-bar{display:none}
/* ===================== 页脚 ===================== */
.site-footer{background:#05090F;border-top:1px solid var(--line);margin-top:96px}
.footer-strip{border-bottom:1px solid var(--line);background:linear-gradient(120deg,rgba(255,90,30,.12),transparent 60%)}
.footer-strip__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:24px 0}
.footer-strip__inner strong{display:block;font-size:18px}
.footer-strip__inner span{display:block;font-size:13px;color:var(--text-3);margin-top:4px}
.footer-main{padding:56px 0 40px}
.footer-col{margin-bottom:28px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand b{font-size:18px;letter-spacing:1px}
.footer-col p{font-size:14px;color:var(--text-2);max-width:340px}
.footer-contact{font-size:13px;color:var(--text-3);line-height:1.9}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:var(--text-2);display:inline-block;transition:color var(--dur) var(--ease),transform var(--dur) var(--ease)}
.footer-col ul a:hover{color:var(--brand-hover);transform:translateX(2px)}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0 26px}
.footer-bottom__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3)}
.footer-legal{display:flex;gap:18px;flex-wrap:wrap}
.footer-legal a:hover{color:var(--brand-hover)}
/* ===================== 响应式 ===================== */
@media screen and (max-width:1279px){
  .flow{grid-template-columns:repeat(2,1fr)}
}
@media screen and (max-width:1023px){
  :root{--nav-h:64px}
  .section{padding:72px 0}
  .h1,.page-head h1{font-size:36px}
  h2,.h2{font-size:26px}
  .main-nav{display:none}
  .header-link{display:none}
  .nav-toggle{display:flex}
  .header-inner{gap:12px}
  .brand{margin-right:auto}
  .anchor-nav{position:static;margin-bottom:32px}
  .stat-strip{grid-template-columns:1fr}
  .stat{border-left:0;border-top:1px solid var(--line)}
  .stat:first-child{border-top:0}
  .cross-links{grid-template-columns:1fr}
  .cta-band{padding:32px}
}
@media screen and (max-width:767px){
  :root{--nav-h:56px}
  body{font-size:15px;padding-bottom:56px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .h1,.page-head h1{font-size:32px}
  h2,.h2{font-size:24px}
  h3,.h3{font-size:18px}
  .page-head{padding:36px 0 28px}
  .page-head__stats{gap:18px}
  .page-head__stats b{font-size:22px}
  .form-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .inline-cta{padding:18px}
  .float-cta{display:none}
  .to-top{right:16px;bottom:76px;width:44px;height:44px}
  .mobile-cta-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:85;height:56px;
    align-items:center;gap:10px;padding:0 16px;background:rgba(7,12,20,.92);
    backdrop-filter:blur(14px);border-top:1px solid var(--line);
  }
  .mobile-cta-bar .btn{flex:1}
  .mobile-cta-bar .btn--ghost{flex:0 0 40%}
  .cta-band{padding:26px 20px}
  .remind-form{padding:20px}
  .accordion.faq .accordion-title{padding:16px 48px 16px 16px;font-size:16px}
  .accordion.faq .accordion-content{padding:0 16px 18px 16px}
  .footer-main{padding:40px 0 24px}
}
@media screen and (max-width:519px){
  .chip-group{overflow-x:auto}
  .brand__text{font-size:17px}
  .stat{padding:18px}
  .stat b{font-size:32px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .sport-card__link:hover,.flow-item:hover,.cross-card:hover,.btn:hover{transform:none}
  .sport-card__link:hover .media img{transform:none}
}

/* roulang page: category2 */
:root{
  --bg-0:#070C14;
  --bg-1:#0C1420;
  --bg-2:#121C2B;
  --brand:#FF5A1E;
  --brand-hover:#FF7A45;
  --brand-active:#E0470F;
  --brand-glow:rgba(255,90,30,.35);
  --cyan:#2FD8C0;
  --amber:#FFB020;
  --text:#EAF1F8;
  --text-2:#A9B7C6;
  --text-3:#6E8092;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --glass:linear-gradient(160deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  --radius-card:16px;
  --radius-glass:20px;
  --radius-btn:12px;
  --radius-img:14px;
  --shadow-base:0 0 0 1px rgba(255,255,255,.06), 0 18px 40px rgba(0,0,0,.45);
  --shadow-hover:0 0 0 1px rgba(255,90,30,.35), 0 18px 40px rgba(0,0,0,.5), 0 0 28px rgba(255,90,30,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:220ms;
  --container:1200px;
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{overflow-x:hidden;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(760px 460px at 84% -8%, rgba(255,90,30,.15), transparent 68%),
    radial-gradient(640px 440px at 4% 10%, rgba(47,216,192,.075), transparent 72%);
}
img{max-width:100%;display:block;height:auto;border-style:none}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease),opacity var(--dur) var(--ease)}
a:hover{color:var(--brand)}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.4px}
h1{font-size:46px;line-height:1.22}
h2{font-size:32px;line-height:1.3}
h3{font-size:21px;line-height:1.4;font-weight:600}
p{margin:0}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
::selection{background:rgba(255,90,30,.35);color:#fff}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 容器与栅格修正 ---------- */
.grid-container{
  width:100%;
  max-width:var(--container);
  margin-left:auto;
  margin-right:auto;
  padding-left:20px;
  padding-right:20px;
}
.grid-x{margin-left:-12px !important;margin-right:-12px !important}
.grid-x > .cell{padding-left:12px !important;padding-right:12px !important;min-width:0}
@media screen and (min-width:1024px){
  .grid-container{padding-left:24px;padding-right:24px}
}
@media screen and (min-width:1440px){
  :root{--container:1280px}
}
.off-canvas-wrapper{overflow:visible !important;position:relative;z-index:1}
.off-canvas-content{box-shadow:none}

/* ---------- 通用文字 ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:1.4px;
  color:var(--cyan);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan);opacity:.8}
.lead{font-size:17px;line-height:1.9;color:var(--text-2)}
.muted{font-size:13px;line-height:1.7;color:var(--text-3)}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--text);
  position:relative;
  padding-bottom:3px;
}
.link-arrow::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:currentColor;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.link-arrow:hover{color:var(--brand)}
.link-arrow:hover::after{transform:scaleX(1)}
.link-quiet{font-size:14px;color:var(--text-2)}
.link-quiet:hover{color:var(--brand)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.3px;
  white-space:nowrap;
  cursor:pointer;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.btn--primary{
  background:var(--brand);
  color:#0A0F16;
  box-shadow:0 0 0 1px rgba(255,90,30,.6),0 0 24px rgba(255,90,30,.32);
}
.btn--primary:hover{background:var(--brand-hover);color:#0A0F16;transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,122,69,.7),0 0 32px rgba(255,90,30,.46)}
.btn--primary:active{background:var(--brand-active);transform:translateY(1px);box-shadow:0 0 0 1px rgba(224,71,15,.7),0 0 18px rgba(255,90,30,.3)}
.btn--ghost{
  background:var(--glass);
  border-color:var(--line);
  color:var(--text);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.btn--ghost:hover{border-color:rgba(255,90,30,.55);color:#fff;transform:translateY(-1px)}
.btn--ghost:active{transform:translateY(1px)}
.btn--outline{background:transparent;border-color:rgba(255,90,30,.6);color:var(--brand)}
.btn--outline:hover{background:rgba(255,90,30,.13);color:var(--brand-hover)}
.btn--outline:active{background:rgba(255,90,30,.2)}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none !important;box-shadow:none}

/* ---------- 标签与徽章 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.4px;
  color:var(--cyan);
  background:rgba(47,216,192,.12);
  border:1px solid rgba(47,216,192,.24);
  white-space:nowrap;
}
.tag--amber{color:var(--amber);background:rgba(255,176,32,.12);border-color:rgba(255,176,32,.26)}
.tag--brand{color:var(--brand);background:rgba(255,90,30,.14);border-color:rgba(255,90,30,.3)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,12,20,.72);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,12,20,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 1px 0 rgba(255,255,255,.08),0 14px 34px rgba(0,0,0,.5);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:var(--nav-h);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text)}
.brand__mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:11px;
  color:var(--brand);
  background:rgba(255,90,30,.1);
  border:1px solid rgba(255,90,30,.3);
}
.brand__mark svg{width:26px;height:26px}
.brand__text{font-size:18px;font-weight:700;letter-spacing:.6px}
.brand:hover{color:var(--text)}
.main-nav{flex:1 1 auto;display:flex;justify-content:center;min-width:0}
.chip-group{
  display:flex;
  align-items:center;
  gap:4px;
  padding:4px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.025);
  max-width:100%;
  overflow-x:auto;
  scrollbar-width:none;
}
.chip-group::-webkit-scrollbar{display:none}
.chip{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:14px;
  color:var(--text-2);
  white-space:nowrap;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.chip:hover{color:var(--text);background:rgba(255,255,255,.05)}
.chip.is-active{
  color:var(--brand);
  background:rgba(255,90,30,.14);
  border-color:rgba(255,90,30,.5);
}
.chip.is-active::before{
  content:"";
  position:absolute;
  left:16px;right:16px;top:-5px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 12px rgba(255,90,30,.6);
}
.header-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  align-items:center;
  justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;color:var(--text)}
.nav-toggle:hover{border-color:rgba(255,90,30,.5)}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  width:min(88vw,360px);
  background:rgba(9,15,24,.97);
  border-left:1px solid var(--line);
  padding:24px 20px 32px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);
}
.drawer-close:hover{color:var(--brand);border-color:rgba(255,90,30,.5)}
.drawer-list{display:flex;flex-direction:column;gap:2px}
.drawer-list a{
  display:flex;
  align-items:center;
  min-height:56px;
  padding:0 14px;
  font-size:17px;
  color:var(--text-2);
  border-left:3px solid transparent;
  border-bottom:1px solid var(--line);
}
.drawer-list a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.drawer-list a.is-active{color:var(--brand);border-left-color:var(--brand);background:rgba(255,90,30,.1)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}

/* ---------- 首屏（窄幅） ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  padding:56px 0 52px;
}
.page-hero__bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.34;
}
.page-hero__veil{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(7,12,20,.9) 0%, rgba(7,12,20,.74) 46%, rgba(7,12,20,.96) 100%);
}
.page-hero__inner{position:relative;z-index:2;max-width:840px}
.breadcrumb{margin-bottom:22px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li:not(:last-child)::after{content:"›";color:var(--text-3);font-size:14px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb [aria-current]{
  color:var(--cyan);
  font-weight:600;
}
.page-hero h1{margin-bottom:18px;max-width:20ch}
.page-hero__lead{font-size:18px;line-height:1.8;color:var(--text-2);max-width:640px}
.page-hero__actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:28px}

/* ---------- 板块 ---------- */
main{position:relative;z-index:2}
.section{padding:96px 0;position:relative}
.section--alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section[id],section[id]{scroll-margin-top:84px}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:44px;
}
.section-head__text{max-width:640px}
.section-head h2{margin-top:4px}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-base);
}
.stat-strip__item{
  background:var(--bg-1);
  padding:28px 26px;
}
.stat-strip__value{
  display:block;
  font-size:40px;
  font-weight:700;
  line-height:1.1;
  letter-spacing:.5px;
  font-variant-numeric:tabular-nums;
  color:var(--brand);
  margin-bottom:10px;
}
.stat-strip__item:nth-child(2n) .stat-strip__value{color:var(--cyan)}
.stat-strip__label{display:block;font-size:15px;color:var(--text);font-weight:600;margin-bottom:6px}
.stat-strip__note{display:block;font-size:13px;color:var(--text-3);line-height:1.7}

/* ---------- 双列卡片 ---------- */
.duo-grid{row-gap:24px}
.duo-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-base);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.duo-card:hover{transform:translateY(-4px);border-color:rgba(255,90,30,.4);box-shadow:var(--shadow-hover)}
.duo-card__media{
  position:relative;
  aspect-ratio:16 / 9;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.duo-card__media img{
  width:100%;height:100%;
  object-fit:cover;
  border-radius:0;
  transition:transform 320ms var(--ease);
}
.duo-card:hover .duo-card__media img{transform:scale(1.04)}
.duo-card__body{padding:24px;display:flex;flex-direction:column;gap:14px;flex:1 1 auto}
.duo-card__body h3{max-width:24ch}
.duo-card__body p{color:var(--text-2);font-size:15px;line-height:1.85}
.mini-list{display:flex;flex-direction:column;gap:8px;margin-top:auto;padding-top:6px}
.mini-list li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--text-2);
}
.mini-list li::before{
  content:"";
  position:absolute;
  left:0;top:10px;
  width:6px;height:6px;
  background:var(--cyan);
  border-radius:1px;
  opacity:.85;
}

/* ---------- 内联 CTA 窄带 ---------- */
.inline-cta{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:linear-gradient(90deg, rgba(255,90,30,.08), rgba(47,216,192,.05) 70%, transparent);
}
.inline-cta__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:22px 0;
}
.inline-cta__text{font-size:16px;font-weight:600}
.inline-cta__text span{display:block;font-size:13px;font-weight:400;color:var(--text-3);margin-top:4px}

/* ---------- 对比表 ---------- */
.table-wrap{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow-x:auto;
  background:var(--bg-0);
  box-shadow:var(--shadow-base);
}
.compare-table{width:100%;min-width:720px}
.compare-table caption{text-align:left}
.compare-table th,
.compare-table td{
  padding:18px 22px;
  text-align:left;
  border-bottom:1px solid var(--line);
  font-size:15px;
  line-height:1.7;
}
.compare-table thead th{
  background:rgba(255,255,255,.045);
  color:var(--text);
  font-size:14px;
  font-weight:600;
  letter-spacing:.6px;
  white-space:nowrap;
}
.compare-table tbody th{
  font-weight:600;
  color:var(--text);
  white-space:nowrap;
  background:rgba(255,255,255,.02);
}
.compare-table td{color:var(--text-2)}
.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody tr{transition:background var(--dur) var(--ease)}
.compare-table tbody tr:hover{background:rgba(47,216,192,.045)}
.table-note{margin-top:16px;font-size:13px;color:var(--text-3)}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px}
.faq-aside p{margin-top:16px;color:var(--text-2);font-size:15px}
.faq-aside .link-arrow{margin-top:22px}
.accordion.faq-acc{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--bg-1);
  overflow:hidden;
  box-shadow:var(--shadow-base);
}
.faq-acc .accordion-item{border-bottom:1px solid var(--line)}
.faq-acc .accordion-item:last-child{border-bottom:0}
.faq-acc .accordion-title{
  display:flex;
  align-items:center;
  gap:14px;
  border:0;
  padding:20px 56px 20px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  background:transparent;
  position:relative;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.faq-acc .accordion-title::before{
  content:"+";
  position:absolute;
  right:22px;
  top:50%;
  transform:translateY(-50%);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--line-strong);
  color:var(--cyan);
  font-size:15px;
  line-height:1;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.faq-acc .accordion-item.is-active .accordion-title{color:var(--brand);background:rgba(255,90,30,.06)}
.faq-acc .accordion-item.is-active .accordion-title::before{
  content:"–";
  background:rgba(255,90,30,.18);
  border-color:rgba(255,90,30,.5);
  color:var(--brand);
  transform:translateY(-50%) rotate(180deg);
}
.faq-acc .accordion-title:hover{color:var(--brand);background:rgba(255,255,255,.03)}
.faq-num{font-variant-numeric:tabular-nums;font-size:13px;color:var(--cyan);letter-spacing:1px;flex:0 0 auto}
.faq-acc .accordion-content{
  padding:4px 22px 20px 58px;
  border:0 !important;
  background:rgba(255,255,255,.028);
  color:var(--text-2);
  font-size:15px;
  line-height:1.9;
}
.faq-acc .accordion-content p{margin:0}

/* ---------- 交叉推荐 ---------- */
.cross-card{
  display:flex;
  flex-direction:column;
  height:100%;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--bg-1);
  overflow:hidden;
  box-shadow:var(--shadow-base);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.cross-card:hover{transform:translateY(-4px);border-color:rgba(255,90,30,.4);box-shadow:var(--shadow-hover)}
.cross-card__media{aspect-ratio:16 / 9;overflow:hidden;border-bottom:1px solid var(--line)}
.cross-card__media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease)}
.cross-card:hover .cross-card__media img{transform:scale(1.04)}
.cross-card__body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.cross-card__body h3{font-size:18px}
.cross-card__body p{color:var(--text-2);font-size:14px;line-height:1.8}
.cross-card__more{
  margin-top:auto;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.cross-card:hover .cross-card__more::after{transform:translateX(4px)}
.cross-card__more::after{content:"→";transition:transform var(--dur) var(--ease)}

/* ---------- 底部 CTA 带 ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-top:1px solid var(--line);
  background:
    radial-gradient(720px 320px at 88% 20%, rgba(255,90,30,.2), transparent 70%),
    linear-gradient(180deg, var(--bg-1), var(--bg-0));
  padding:80px 0;
}
.cta-band__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
}
.cta-band__text{max-width:640px}
.cta-band h2{font-size:30px;margin-bottom:14px}
.cta-band p{color:var(--text-2);font-size:16px}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:16px}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;z-index:2;background:#050910;border-top:1px solid var(--line)}
.footer-strip{
  border-bottom:1px solid var(--line);
  background:linear-gradient(90deg, rgba(255,90,30,.12), rgba(47,216,192,.06) 65%, transparent);
}
.footer-strip__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:24px 0;
}
.footer-strip__inner strong{display:block;font-size:17px;font-weight:700}
.footer-strip__inner span{display:block;font-size:13px;color:var(--text-3);margin-top:6px}
.footer-main{padding:56px 0 40px}
.footer-col h4{font-size:15px;color:var(--text);margin-bottom:18px;letter-spacing:.6px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li a{font-size:14px;color:var(--text-2);display:inline-block;transition:color var(--dur) var(--ease),transform var(--dur) var(--ease)}
.footer-col li a:hover{color:var(--brand);transform:translateX(2px)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand b{font-size:17px;letter-spacing:.6px}
.footer-col p{color:var(--text-2);font-size:14px;line-height:1.85;max-width:34ch}
.footer-contact{margin-top:18px;font-size:13px;color:var(--text-3);line-height:1.9}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0}
.footer-bottom__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3)}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- 浮动 CTA / 回到顶部 ---------- */
.float-cta{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:50;
  display:flex;
  align-items:center;
  gap:10px;
  opacity:0;
  transform:translateY(16px);
  pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta__alt{display:none}
.to-top{
  position:fixed;
  right:24px;
  bottom:148px;
  z-index:50;
  width:46px;height:46px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--text-2);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  opacity:0;
  transform:translateY(12px);
  pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.to-top.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.to-top:hover{color:var(--brand);border-color:rgba(255,90,30,.5)}
.to-top svg{width:18px;height:18px}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  h1{font-size:36px}
  h2{font-size:26px}
  .section{padding:72px 0}
  .header-inner{gap:16px;min-height:60px}
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .link-quiet{display:none}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .cta-band__inner{flex-direction:column;align-items:flex-start;gap:28px}
  .inline-cta__inner{flex-direction:column;align-items:flex-start;gap:16px}
  .section-head{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:34px}
  .stat-strip__value{font-size:34px}
  .cta-band{padding:64px 0}
}
@media screen and (max-width:639px){
  h1{font-size:32px}
  h2{font-size:24px}
  h3{font-size:18px}
  body{font-size:15px;padding-bottom:76px}
  :root{--nav-h:56px}
  .section{padding:56px 0}
  .page-hero{padding:36px 0 40px}
  .page-hero__lead{font-size:16px}
  .brand__text{font-size:16px}
  .stat-strip{grid-template-columns:1fr}
  .stat-strip__item{padding:22px 20px}
  .duo-card__body{padding:20px}
  .compare-table th,.compare-table td{padding:14px 16px;font-size:14px}
  .faq-acc .accordion-content{padding:4px 18px 18px 18px}
  .float-cta{
    left:0;right:0;bottom:0;
    padding:10px 16px;
    gap:10px;
    background:rgba(7,12,20,.95);
    border-top:1px solid var(--line);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
  }
  .float-cta__alt{display:inline-flex;flex:0 0 38%}
  .float-cta .btn{flex:1 1 auto}
  .to-top{display:none}
  .cta-band__actions .btn{width:100%}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
    transform:none !important;
  }
}

/* roulang page: category3 */
/* ===================== 设计变量 ===================== */
:root{
  --bg-0:#070C14;
  --bg-1:#0C1420;
  --bg-2:#121C2B;
  --brand:#FF5A1E;
  --brand-hover:#FF7A45;
  --brand-active:#E0470F;
  --brand-soft:rgba(255,90,30,.14);
  --brand-glow:rgba(255,90,30,.35);
  --cyan:#2FD8C0;
  --cyan-soft:rgba(47,216,192,.12);
  --amber:#FFB020;
  --text:#EAF1F8;
  --text-2:#A9B7C6;
  --text-3:#6E8092;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --surface:#0E1724;
  --glass:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  --glass-fallback:rgba(18,28,43,.92);
  --r-card:16px;
  --r-glass:20px;
  --r-btn:12px;
  --r-img:14px;
  --shadow-1:0 0 0 1px rgba(255,255,255,.06),0 18px 40px rgba(0,0,0,.45);
  --shadow-hover:0 0 0 1px rgba(255,90,30,.35),0 18px 40px rgba(0,0,0,.5),0 0 28px rgba(255,90,30,.22);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","DIN Alternate","Helvetica Neue",system-ui,-apple-system,sans-serif;
}

/* ===================== 基础 reset ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;border-style:none;}
a{color:inherit;text-decoration:none;background-color:transparent;transition:color var(--ease),border-color var(--ease),background-color var(--ease);}
a:hover,a:focus{color:var(--brand-hover);}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(255,90,30,.35);color:#fff;}

/* ===================== 容器 / 栅格 ===================== */
.grid-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1440px){
  .grid-container{max-width:1280px;}
}
.section{padding:104px 0;scroll-margin-top:84px;position:relative;}
.section--tight{padding:72px 0;scroll-margin-top:84px;}
.section--alt{background:var(--bg-1);}
.section-head{max-width:720px;}
.section-head h2{
  font-size:32px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:.4px;
}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:1.6px;
  color:var(--cyan);
  text-transform:none;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--cyan);border-radius:2px;}

/* ===================== 顶部导航 ===================== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,12,20,.72);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,12,20,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
  box-shadow:0 12px 32px rgba(0,0,0,.38);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:68px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  letter-spacing:.3px;
  white-space:nowrap;
  color:var(--text);
}
.brand:hover{color:var(--text);}
.brand__mark{
  width:34px;
  height:34px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  color:var(--brand);
  background:linear-gradient(150deg,rgba(255,90,30,.22),rgba(47,216,192,.12));
  border:1px solid rgba(255,90,30,.28);
  flex:0 0 34px;
}
.brand__mark svg{width:22px;height:22px;display:block;}
.main-nav{flex:1 1 auto;display:flex;justify-content:center;min-width:0;}
.chip-group{
  display:flex;
  align-items:center;
  gap:2px;
  padding:4px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(18,28,43,.62);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
}
.chip{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 16px;
  border-radius:999px;
  font-size:14px;
  color:var(--text-2);
  border:1px solid transparent;
  white-space:nowrap;
  transition:color var(--ease),background-color var(--ease),border-color var(--ease);
}
.chip:hover{color:var(--text);background:rgba(255,255,255,.05);}
.chip.is-active{
  color:var(--brand);
  background:var(--brand-soft);
  border-color:rgba(255,90,30,.5);
}
.chip.is-active::before{
  content:"";
  position:absolute;
  top:-5px;
  left:50%;
  transform:translateX(-50%);
  width:24px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 10px var(--brand-glow);
}
.header-actions{display:flex;align-items:center;gap:16px;margin-left:auto;}
.header-link{
  font-size:14px;
  color:var(--text-2);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.header-link:hover{color:var(--brand-hover);border-bottom-color:currentColor;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--text);
  align-items:center;
  justify-content:center;
  font-size:16px;
  background:rgba(18,28,43,.7);
}
.nav-toggle:hover{border-color:rgba(255,90,30,.5);color:var(--brand-hover);}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:80;
  background:rgba(7,12,20,.97);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  padding:24px 20px;
  display:flex;
  flex-direction:column;
  transform:translateY(-100%);
  opacity:0;
  pointer-events:none;
  transition:transform 280ms cubic-bezier(.2,.7,.3,1),opacity 220ms ease;
}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
.mobile-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.mobile-drawer__close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  color:var(--text);display:flex;align-items:center;justify-content:center;
}
.mobile-drawer nav ul{display:flex;flex-direction:column;}
.mobile-drawer nav a{
  display:flex;
  align-items:center;
  height:56px;
  font-size:17px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
  padding-left:14px;
  position:relative;
}
.mobile-drawer nav a:hover{color:var(--brand-hover);}
.mobile-drawer nav a.is-active{color:var(--brand);}
.mobile-drawer nav a.is-active::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;background:var(--brand);
}
.mobile-drawer__foot{margin-top:auto;padding-top:20px;}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--ease),background-color var(--ease),color var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn--primary{
  background:var(--brand);
  color:#0A0F16;
  box-shadow:0 0 0 1px rgba(255,90,30,.6),0 0 24px rgba(255,90,30,.35);
}
.btn--primary:hover{
  background:var(--brand-hover);
  color:#0A0F16;
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(255,122,69,.7),0 0 32px rgba(255,90,30,.5);
}
.btn--primary:active{background:var(--brand-active);transform:translateY(2px);}
.btn--ghost{
  background:var(--glass);
  border-color:var(--line);
  color:var(--text);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
}
.btn--ghost:hover{border-color:rgba(255,90,30,.5);color:var(--brand-hover);transform:translateY(-1px);}
.btn--outline{background:transparent;border-color:var(--line-strong);color:var(--text);}
.btn--outline:hover{border-color:var(--brand);color:var(--brand-hover);}
.btn--sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:var(--brand);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
  position:relative;
}
.text-link::after{
  content:"";
  position:absolute;
  left:0;bottom:-2px;
  width:0;height:1px;
  background:var(--brand);
  transition:width var(--ease);
}
.text-link:hover{color:var(--brand-hover);}
.text-link:hover::after{width:100%;}
.text-link i{transition:transform var(--ease);}
.text-link:hover i{transform:translateX(4px);}

/* ===================== 面包屑 ===================== */
.crumb-bar{
  background:var(--bg-0);
  border-bottom:1px solid var(--line);
  padding:14px 0;
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand-hover);}
.crumb .sep{color:var(--text-3);}
.crumb .current{color:var(--cyan);}

/* ===================== 页面头部 ===================== */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:76px 0 64px;
  background:var(--bg-1);
  border-bottom:1px solid var(--line);
}
.page-hero__bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.22;
  filter:saturate(.85);
  z-index:0;
}
.page-hero__veil{
  position:absolute;
  inset:0;
  background:
    radial-gradient(720px 340px at 84% 4%,rgba(255,90,30,.24),transparent 68%),
    radial-gradient(560px 320px at 6% 96%,rgba(47,216,192,.14),transparent 70%),
    linear-gradient(180deg,rgba(7,12,20,.42) 0%,rgba(7,12,20,.9) 66%,var(--bg-1) 100%);
  z-index:1;
}
.page-hero .grid-container{position:relative;z-index:2;}
.page-hero h1{
  font-size:46px;
  line-height:1.22;
  font-weight:700;
  letter-spacing:.5px;
  margin-top:16px;
  max-width:900px;
}
.page-hero .lead{
  margin-top:18px;
  max-width:720px;
  font-size:16px;
  color:var(--text-2);
}
.page-hero .hero-link{margin-top:22px;}

/* 数据条 */
.metric-strip{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  margin-top:44px;
  border:1px solid var(--line);
  border-radius:var(--r-glass);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  overflow:hidden;
}
.metric{padding:24px 28px;border-right:1px solid var(--line);}
.metric:last-child{border-right:0;}
.metric strong{
  display:block;
  font-family:var(--font-num);
  font-size:40px;
  font-weight:700;
  line-height:1.1;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  letter-spacing:.5px;
}
.metric span{display:block;margin-top:8px;font-size:13px;color:var(--text-3);line-height:1.6;}

/* ===================== 阶梯式列表 ===================== */
.steps-wrap{position:relative;}
.steps-head{max-width:680px;}
.steps-head h2{font-size:32px;line-height:1.3;font-weight:700;}
.steps-head p{margin-top:14px;color:var(--text-2);}
.steps{margin-top:56px;position:relative;}
.steps::before{
  content:"";
  position:absolute;
  left:31px;
  top:16px;
  bottom:40px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,rgba(255,90,30,.6),rgba(47,216,192,.32) 58%,rgba(255,255,255,.05));
  opacity:.85;
}
.step{
  position:relative;
  display:grid;
  grid-template-columns:64px 1fr;
  gap:28px;
  padding-bottom:40px;
}
.step:last-child{padding-bottom:0;}
.step__num{
  width:64px;
  height:64px;
  border-radius:18px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-num);
  font-size:20px;
  font-weight:700;
  color:var(--brand);
  background:#0B121D;
  border:1px solid rgba(255,90,30,.35);
  box-shadow:0 0 22px rgba(255,90,30,.16);
  font-variant-numeric:tabular-nums;
  position:relative;
  z-index:1;
}
.step__body{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 28px 28px;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.step__body:hover{
  transform:translateY(-4px);
  border-color:rgba(255,90,30,.32);
  box-shadow:var(--shadow-hover);
}
.step__tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  color:var(--cyan);
  background:var(--cyan-soft);
  border:1px solid rgba(47,216,192,.25);
}
.step__body h3{font-size:21px;line-height:1.4;font-weight:600;margin-top:12px;}
.step__body > p{margin-top:10px;color:var(--text-2);font-size:15px;}
.step-points{margin-top:16px;display:grid;gap:10px;}
.step-points li{
  position:relative;
  padding-left:22px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
}
.step-points li::before{
  content:"";
  position:absolute;
  left:1px;
  top:8px;
  width:8px;
  height:8px;
  border:1px solid var(--cyan);
  border-radius:2px;
  transform:rotate(45deg);
}
.step__figure{
  margin-top:22px;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/9;
  background:#0B121D;
}
.step__figure img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 420ms cubic-bezier(.2,.7,.3,1);
}
.step__figure:hover img{transform:scale(1.04);}
.step__caption{margin-top:10px;font-size:13px;color:var(--text-3);}

/* ===================== 内联 CTA 窄带 ===================== */
.inline-cta{
  margin:0;
  padding:28px 0;
  background:linear-gradient(90deg,rgba(255,90,30,.12),rgba(47,216,192,.05) 62%,transparent);
  border-top:1px solid rgba(255,90,30,.2);
  border-bottom:1px solid var(--line);
}
.inline-cta__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.inline-cta__inner strong{font-size:17px;font-weight:600;}
.inline-cta__inner span{display:block;font-size:14px;color:var(--text-3);margin-top:4px;}

/* ===================== FAQ ===================== */
.faq-list{
  max-width:920px;
  margin:44px auto 0;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--surface);
  overflow:hidden;
}
.faq-list .accordion-item{border-bottom:1px solid var(--line);background:transparent;}
.faq-list .accordion-item:last-child{border-bottom:0;}
.faq-list .accordion-title{
  display:flex;
  align-items:center;
  gap:16px;
  padding:22px 26px;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  background:transparent;
  border:0;
  line-height:1.6;
  transition:color var(--ease),background-color var(--ease);
}
.faq-list .accordion-title::before{display:none;content:"";}
.faq-list .accordion-title:hover{color:var(--brand-hover);background:rgba(255,255,255,.03);}
.faq-list .accordion-title::after{display:none;}
.faq-num{
  font-family:var(--font-num);
  font-size:14px;
  font-weight:700;
  color:var(--cyan);
  letter-spacing:1px;
  flex:0 0 26px;
}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px;margin-left:auto;}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--cyan);
  border-radius:2px;
  transition:transform var(--ease),background-color var(--ease);
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-list .accordion-item.is-active .faq-icon::after{transform:scaleY(0);}
.faq-list .accordion-item.is-active .faq-icon::before{background:var(--brand);}
.faq-list .accordion-item.is-active .accordion-title{color:var(--brand);}
.faq-list .accordion-content{
  padding:0 26px 24px 68px;
  background:rgba(255,255,255,.02);
  border:0;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
}
.faq-list .accordion-content p + p{margin-top:10px;}
.faq-list .accordion-content ul{margin-top:10px;display:grid;gap:8px;}
.faq-list .accordion-content ul li{position:relative;padding-left:16px;}
.faq-list .accordion-content ul li::before{
  content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:2px;background:var(--cyan);opacity:.8;
}

/* ===================== 推荐链接 ===================== */
.rec-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin-top:40px;
}
.rec-card{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:24px;
  border-radius:var(--r-card);
  background:var(--surface);
  border:1px solid var(--line);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.rec-card:hover{
  transform:translateY(-4px);
  border-color:rgba(255,90,30,.4);
  box-shadow:var(--shadow-hover);
  color:inherit;
}
.rec-card__top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.rec-card__badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;color:var(--cyan);background:var(--cyan-soft);border:1px solid rgba(47,216,192,.25);
}
.rec-card strong{font-size:17px;font-weight:600;line-height:1.5;}
.rec-card p{font-size:14px;color:var(--text-2);line-height:1.75;}
.rec-card .rec-more{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand);
}
.rec-card:hover .rec-more i{transform:translateX(4px);}
.rec-card .rec-more i{transition:transform var(--ease);}

/* ===================== CTA 带 ===================== */
.cta-band{
  position:relative;
  overflow:hidden;
  padding:64px 0;
  background:var(--bg-1);
  border-top:1px solid rgba(255,90,30,.22);
  border-bottom:1px solid var(--line);
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(620px 260px at 12% 10%,rgba(255,90,30,.2),transparent 70%),
    radial-gradient(520px 240px at 88% 90%,rgba(47,216,192,.12),transparent 72%);
}
.cta-band__inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:28px;line-height:1.35;font-weight:700;max-width:640px;}
.cta-band p{margin-top:12px;color:var(--text-2);font-size:15px;max-width:620px;}

/* ===================== 页脚 ===================== */
.site-footer{background:#050A11;border-top:1px solid var(--line);}
.footer-strip{
  background:linear-gradient(90deg,rgba(255,90,30,.16),rgba(47,216,192,.05) 60%,transparent);
  border-bottom:1px solid var(--line);
  padding:22px 0;
}
.footer-strip__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.footer-strip__inner strong{display:block;font-size:16px;font-weight:600;}
.footer-strip__inner span{display:block;font-size:13px;color:var(--text-3);margin-top:4px;}
.footer-main{padding:64px 0 48px;}
.footer-col{margin-bottom:28px;}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text);}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul li a{
  font-size:14px;
  color:var(--text-3);
  display:inline-block;
  transition:color var(--ease),transform var(--ease);
}
.footer-col ul li a:hover{color:var(--brand-hover);transform:translateX(2px);}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text);}
.footer-brand b{font-weight:700;}
.footer-main p{color:var(--text-3);font-size:14px;margin-top:14px;max-width:360px;}
.footer-contact{margin-top:16px;font-size:13px;color:var(--text-3);line-height:1.9;}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0;}
.footer-bottom__inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom__inner a{color:var(--text-3);}
.footer-bottom__inner a:hover{color:var(--brand-hover);}

/* ===================== 浮动组件 ===================== */
.float-cta{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:70;
  display:flex;
  gap:8px;
  align-items:center;
  opacity:0;
  transform:translateY(16px);
  pointer-events:none;
  transition:opacity var(--ease),transform var(--ease);
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta__main{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:52px;
  padding:0 22px;
  border-radius:999px;
  background:var(--brand);
  color:#0A0F16;
  font-weight:600;
  font-size:15px;
  box-shadow:0 0 0 1px rgba(255,90,30,.6),0 0 28px rgba(255,90,30,.4);
  transition:background-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.float-cta__main:hover{background:var(--brand-hover);color:#0A0F16;transform:translateY(-1px);}
.float-cta__main:active{transform:translateY(2px);background:var(--brand-active);}
.float-cta__sub{display:none;}
.back-top{
  position:fixed;
  right:24px;
  bottom:104px;
  z-index:65;
  width:44px;
  height:44px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--text-2);
  background:var(--glass);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  opacity:0;
  pointer-events:none;
  transition:opacity var(--ease),transform var(--ease),color var(--ease),border-color var(--ease);
}
.back-top.is-visible{opacity:1;pointer-events:auto;}
.back-top:hover{color:var(--brand-hover);border-color:rgba(255,90,30,.5);transform:translateY(-2px);}

/* ===================== Foundation 组件样式覆盖 ===================== */
a{color:inherit;}
a:hover,a:focus{color:var(--brand-hover);}
.button,.button.primary,.button.secondary{
  background:var(--brand);color:#0A0F16;border-radius:var(--r-btn);font-family:inherit;
}
ul.accordion{background:transparent;border:0;border-radius:0;margin-left:0;margin-right:0;}
ul.accordion .accordion-title{border:0;background:transparent;font-family:inherit;}
ul.accordion .accordion-content{border:0;background:transparent;font-family:inherit;}
.tabs{border:0;background:transparent;}
.tabs-title > a{color:var(--text-2);}
.tabs-title > a:hover{background:rgba(255,255,255,.05);color:var(--text);}
.tabs-title.is-active > a{background:var(--brand-soft);color:var(--brand);}
input[type="text"],input[type="search"],input[type="email"],textarea,select{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-btn);color:var(--text);font-family:inherit;
}
input[type="text"]:focus,input[type="search"]:focus,input[type="email"]:focus,textarea:focus,select:focus{
  border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,90,30,.18);outline:none;
}
::placeholder{color:var(--text-3);}

/* ===================== 响应式断点 ===================== */
@media (max-width:1023px){
  .header-inner{height:56px;gap:12px;}
  .main-nav{display:none;}
  .header-link{display:none;}
  .nav-toggle{display:inline-flex;}
  .page-hero{padding:56px 0 48px;}
  .page-hero h1{font-size:32px;}
  .section{padding:72px 0;}
  .section-head h2,.steps-head h2{font-size:26px;}
  .step{grid-template-columns:56px 1fr;gap:20px;}
  .step__num{width:56px;height:56px;font-size:18px;border-radius:16px;}
  .steps::before{left:27px;}
  .rec-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767px){
  .page-hero h1{font-size:32px;}
  .metric-strip{grid-template-columns:1fr;border-radius:var(--r-card);}
  .metric{border-right:0;border-bottom:1px solid var(--line);padding:20px 22px;}
  .metric:last-child{border-bottom:0;}
  .metric strong{font-size:34px;}
  .section{padding:56px 0;}
  .section-head h2,.steps-head h2,.cta-band h2{font-size:24px;}
  .step{grid-template-columns:44px 1fr;gap:14px;padding-bottom:28px;}
  .step__num{width:44px;height:44px;font-size:15px;border-radius:13px;}
  .steps::before{left:21px;}
  .step__body{padding:20px 18px 22px;}
  .step__body h3{font-size:18px;}
  .faq-list .accordion-title{padding:18px;font-size:16px;gap:12px;}
  .faq-list .accordion-content{padding:0 18px 20px 56px;}
  .rec-grid{grid-template-columns:1fr;}
  .cta-band{padding:48px 0;}
  .footer-main{padding:48px 0 28px;}
  body{padding-bottom:78px;}
  .float-cta{
    left:12px;right:12px;bottom:12px;padding:6px;gap:8px;
    background:rgba(12,20,32,.94);
    border:1px solid var(--line);
    border-radius:16px;
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    transform:translateY(24px);
  }
  .float-cta.is-visible{transform:translateY(0);}
  .float-cta__main{flex:1 1 auto;justify-content:center;height:44px;padding:0 12px;font-size:15px;}
  .float-cta__sub{
    display:inline-flex;flex:0 0 38%;align-items:center;justify-content:center;height:44px;
    border-radius:10px;border:1px solid var(--line-strong);color:var(--text);font-size:14px;font-weight:600;
  }
  .float-cta__sub:hover{color:var(--brand-hover);border-color:rgba(255,90,30,.5);}
  .back-top{right:12px;bottom:88px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .step__body:hover,.rec-card:hover{transform:none;}
  .step__figure:hover img{transform:none;}
}

@supports not ((-webkit-backdrop-filter:blur(14px)) or (backdrop-filter:blur(14px))){
  .metric-strip,.btn--ghost,.back-top,.chip-group{background:var(--glass-fallback);}
}