/* roulang page: index */
:root{
  --c-brand-1:#FF4E33;
  --c-brand-2:#FF2E7E;
  --c-accent:#00D9C0;
  --c-warn:#FFC93C;
  --c-ink:#14161C;
  --c-ink-2:#5A6070;
  --c-line:#E7E9EE;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F6F7FA;
  --c-bg-dark:#12141A;
  --grad:linear-gradient(115deg,var(--c-brand-1),var(--c-brand-2));
  --grad-soft:linear-gradient(115deg,rgba(255,78,51,.10),rgba(255,46,126,.10));
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(20,22,28,.06);
  --sh-hover:0 18px 44px rgba(255,78,51,.16);
  --sh-up:0 -8px 24px rgba(20,22,28,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-num:ui-monospace,"DIN Alternate","SFMono-Regular",Menlo,monospace;
  --bs-primary:#FF4E33;
  --bs-primary-rgb:255,78,51;
  --bs-body-font-family:var(--font-cn);
  --bs-body-color:var(--c-ink);
  --bs-link-color:#FF4E33;
  --bs-link-hover-color:#FF2E7E;
  --bs-border-color:var(--c-line);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  padding-bottom:96px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--c-brand-1);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--c-brand-2);}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em;color:var(--c-ink);}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,46,126,.22);border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 clamp(20px,4vw,40px);}
.section{padding:96px 0;}
.section--soft{background:var(--c-bg-soft);}
.section--tight{padding:72px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--c-brand-2);
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--grad-soft);
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad);}
.h2{font-size:clamp(24px,3.4vw,38px);font-weight:800;letter-spacing:-.02em;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;
}
.section-head p{color:var(--c-ink-2);margin:12px 0 0;max-width:640px;font-size:16px;}
.link-more{
  font-weight:700;font-size:15px;white-space:nowrap;color:var(--c-ink);
  display:inline-flex;align-items:center;gap:8px;
  border-bottom:2px solid transparent;transition:all .24s var(--ease);
}
.link-more::after{content:"→";transition:transform .24s var(--ease);}
.link-more:hover{color:var(--c-brand-2);border-bottom-color:var(--c-brand-2);}
.link-more:hover::after{transform:translateX(4px);}

/* Buttons */
.btn-brand,.btn-outline-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-weight:700;font-size:16px;border-radius:var(--r-pill);
  border:1px solid transparent;cursor:pointer;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease);
  text-align:center;line-height:1;
}
.btn-brand{background:var(--grad);color:#fff;height:44px;padding:0 22px;box-shadow:0 10px 24px rgba(255,46,126,.24);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 0 4px rgba(255,46,126,.18),0 14px 30px rgba(255,46,126,.28);}
.btn-outline-brand{background:#fff;color:var(--c-ink);height:44px;padding:0 22px;border:1px solid transparent;background-image:linear-gradient(#fff,#fff),var(--grad);background-origin:border-box;background-clip:padding-box,border-box;}
.btn-outline-brand:hover{color:var(--c-brand-2);background-image:linear-gradient(rgba(255,78,51,.08),rgba(255,46,126,.08)),var(--grad);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--c-ink);height:44px;padding:0 6px;border-bottom:2px solid var(--c-line);border-radius:0;}
.btn-ghost:hover{color:var(--c-brand-2);border-bottom-color:var(--c-brand-2);}
.btn-lg{height:52px;padding:0 30px;font-size:17px;}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.btn-brand:active,.btn-outline-brand:active{transform:translateY(0) scale(.99);}

/* Badges */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;line-height:1.5;
  background:rgba(0,217,192,.12);color:#059C8C;
}
.badge-soft--dark{background:rgba(255,255,255,.10);color:#fff;}
.badge-grad{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:700;color:#fff;background:var(--grad);
}
.badge-warn{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:700;background:var(--c-warn);color:var(--c-ink);
}
.badge-cat{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.02em;
  background:var(--grad-soft);color:var(--c-brand-2);
}
.num{font-family:var(--font-num);font-weight:700;letter-spacing:-.01em;}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--c-accent);position:relative;flex:none;}
.dot-live::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:2px solid rgba(0,217,192,.5);animation:pulse 2s infinite;}
@keyframes pulse{0%{transform:scale(.7);opacity:.9;}70%{transform:scale(1.5);opacity:0;}100%{opacity:0;}}

/* Top notice */
.topbar{background:var(--c-bg-dark);color:rgba(255,255,255,.82);font-size:13.5px;}
.topbar .inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;padding:6px 0;}
.topbar .left{display:flex;align-items:center;gap:10px;}
.topbar .tag{background:var(--grad);color:#fff;border-radius:var(--r-pill);padding:3px 10px;font-size:12px;font-weight:700;}

/* Header / nav */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .28s var(--ease);
}
.site-header.is-stuck{box-shadow:0 10px 30px rgba(20,22,28,.08);}
.nav-row{display:flex;align-items:center;gap:20px;min-height:76px;}
.brand{display:flex;align-items:center;gap:12px;flex:none;}
.brand-mark{
  width:44px;height:44px;border-radius:14px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;flex:none;
  box-shadow:0 8px 20px rgba(255,46,126,.28);
}
.brand-mark svg{width:24px;height:24px;}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-text .main{font-size:17px;font-weight:800;color:var(--c-ink);letter-spacing:-.01em;}
.brand-text .sub{font-size:11.5px;font-weight:600;letter-spacing:.14em;color:var(--c-ink-2);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:12px;flex:1;}
.nav-links a{
  position:relative;font-size:15px;font-weight:600;color:var(--c-ink-2);
  padding:10px 12px;border-radius:10px;transition:color .24s var(--ease),background .24s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
}
.nav-links a:hover{color:var(--c-ink);background:var(--c-bg-soft);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--c-ink);}
.nav-links a.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:14px;flex:none;}
.status-chip{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-ink-2);}
.nav-toggle{
  display:none;width:46px;height:46px;border:1px solid var(--c-line);border-radius:14px;
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2.5px;border-radius:2px;background:var(--grad);transition:transform .28s var(--ease),opacity .2s var(--ease);}
.nav-toggle[aria-expanded="true"] span:first-child{transform:translateY(3.75px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:last-child{transform:translateY(-3.75px) rotate(-45deg);}
.drawer{
  position:fixed;inset:0;top:0;z-index:1040;background:#fff;
  transform:translateX(100%);transition:transform .34s var(--ease);
  display:flex;flex-direction:column;padding:24px clamp(20px,5vw,32px) 28px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{width:44px;height:44px;border-radius:14px;border:1px solid var(--c-line);background:#fff;font-size:20px;color:var(--c-ink);cursor:pointer;}
.drawer nav a{
  display:flex;align-items:center;justify-content:space-between;
  font-size:17px;font-weight:600;color:var(--c-ink);line-height:56px;
  border-bottom:1px solid var(--c-line);
}
.drawer nav a.active{color:var(--c-brand-2);}
.drawer-foot{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:12px;}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  padding:clamp(40px,6vw,80px) 0 clamp(48px,6vw,88px);
  background:
    radial-gradient(900px 420px at 88% -10%,rgba(255,46,126,.14),transparent 70%),
    radial-gradient(760px 380px at 4% 6%,rgba(0,217,192,.12),transparent 70%),
    var(--c-bg);
  min-height:78vh;display:flex;align-items:center;
}
.hero-grid{display:grid;grid-template-columns:6fr 5fr;gap:56px;align-items:center;width:100%;}
.hero h1{
  font-size:clamp(30px,5vw,52px);font-weight:800;letter-spacing:-.02em;
  margin:18px 0 20px;
}
.hero h1 .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .lead{font-size:18px;color:var(--c-ink-2);max-width:520px;margin-bottom:32px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:12px;}
.trust-item{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--c-ink-2);
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);
  padding:8px 16px;box-shadow:var(--sh-1);
}
.trust-item i{color:var(--c-brand-2);}
.hero-visual{position:relative;}
.hero-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  min-height:420px;background:var(--c-bg-dark);
  box-shadow:0 24px 60px rgba(20,22,28,.18);
}
.hero-card img{width:100%;height:100%;min-height:420px;object-fit:cover;opacity:.86;}
.hero-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,20,26,.15),rgba(18,20,26,.72));}
.hero-card-body{position:absolute;inset:auto 0 0 0;padding:28px;color:#fff;z-index:2;}
.hero-card-body h3{color:#fff;font-size:20px;margin-bottom:8px;}
.hero-card-body p{color:rgba(255,255,255,.78);font-size:14.5px;margin:0;}
.float-badge{
  position:absolute;z-index:3;background:rgba(18,20,26,.82);color:#fff;
  border:1px solid rgba(255,255,255,.16);border-radius:var(--r-pill);
  padding:8px 14px;font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:8px;
  backdrop-filter:blur(6px);
}
.float-badge.b1{top:22px;right:-8px;}
.float-badge.b2{top:96px;left:-14px;}
.float-badge.b3{bottom:110px;right:-6px;background:var(--grad);border-color:transparent;}

/* Data bar */
.databar{background:var(--c-bg-dark);color:#fff;padding:44px 0;}
.databar-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.data-cell{padding:6px 4px;border-left:2px solid rgba(255,255,255,.12);padding-left:20px;}
.data-cell .v{font-family:var(--font-num);font-size:clamp(26px,3.2vw,38px);font-weight:700;color:#fff;line-height:1.1;}
.data-cell .v small{font-size:15px;font-weight:600;margin-left:4px;color:var(--c-accent);}
.data-cell .k{font-size:14px;color:rgba(255,255,255,.62);margin-top:8px;}

/* Feature offset grid */
.feature-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.fcard{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px;position:relative;overflow:hidden;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
  display:flex;flex-direction:column;
}
.fcard:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,78,51,.35);}
.fcard--main{grid-column:span 6;padding:34px;}
.fcard--sm{grid-column:span 3;}
.fcard--sm.short{min-height:210px;}
.fcard--sm.tall{min-height:250px;}
.fcard .icon-cap{
  width:44px;height:44px;border-radius:14px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:20px;flex:none;
}
.fcard .icon-cap.alt{background:rgba(0,217,192,.14);color:#059C8C;}
.fcard h3{font-size:20px;margin-bottom:12px;}
.fcard--main h3{font-size:24px;}
.fcard p{color:var(--c-ink-2);font-size:15.5px;margin-bottom:20px;}
.fcard .foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--c-line);display:flex;flex-wrap:wrap;gap:10px;}
.fcard .accent-band{position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);opacity:0;transition:opacity .28s var(--ease);}
.fcard:hover .accent-band{opacity:1;}

/* Scenario */
.scenario{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.scenario + .scenario{margin-top:88px;}
.scenario.reverse .scenario-media{order:2;}
.scenario-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--sh-1);}
.scenario-media img{width:100%;height:340px;object-fit:cover;}
.scenario-media .float-badge{bottom:-14px;left:24px;}
.scenario-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:14px;background:var(--grad);color:#fff;
  font-family:var(--font-num);font-weight:700;font-size:17px;margin-bottom:18px;
}
.scenario h3{font-size:clamp(21px,2.4vw,28px);margin-bottom:16px;}
.point-list li{display:flex;gap:12px;align-items:flex-start;margin-bottom:12px;color:var(--c-ink-2);font-size:16px;}
.point-list li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c-accent);margin-top:10px;flex:none;}

/* Social proof */
.pf-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:44px;}
.pf-item{
  border-radius:var(--r-md);padding:24px;color:#fff;background:var(--grad);
  position:relative;overflow:hidden;
}
.pf-item:nth-child(2){background:linear-gradient(115deg,#FF2E7E,#B93BFF);}
.pf-item:nth-child(3){background:linear-gradient(115deg,#FF8A1F,#FF4E33);}
.pf-item:nth-child(4){background:linear-gradient(115deg,#00D9C0,#0BA3C4);}
.pf-item .v{font-family:var(--font-num);font-size:32px;font-weight:700;line-height:1.1;}
.pf-item .k{font-size:14px;opacity:.9;margin-top:8px;}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:48px;}
.review-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:24px;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.avatar-sq{
  width:44px;height:44px;border-radius:14px;background:var(--grad-soft);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;color:var(--c-brand-2);font-size:16px;flex:none;
}
.review-head .name{font-weight:700;font-size:15px;}
.review-head .role{font-size:12.5px;color:var(--c-ink-2);}
.stars{color:var(--c-warn);font-size:13px;letter-spacing:2px;margin-bottom:10px;}
.review-card p{font-size:15px;color:var(--c-ink-2);margin:0;}
.partner-wall{display:grid;grid-template-columns:repeat(8,1fr);gap:14px;}
.partner{
  height:60px;border-radius:var(--r-sm);background:#EDEFF4;color:#8A90A0;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;letter-spacing:.02em;
  filter:grayscale(1);transition:all .28s var(--ease);
}
.partner:hover{filter:grayscale(0);background:var(--grad-soft);color:var(--c-brand-2);transform:translateY(-3px);}

/* CMS list */
.post-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,78,51,.35);}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-soft);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-thumb .badge-soft{position:absolute;right:12px;top:12px;background:rgba(18,20,26,.78);color:#fff;}
.post-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.post-cat{margin-bottom:10px;}
.post-body h3{font-size:17px;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body h3 a{color:var(--c-ink);}
.post-body h3 a:hover{color:var(--c-brand-2);}
.post-body .excerpt{
  font-size:14.5px;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;
}
.post-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--c-ink-2);}
.post-card--big .post-body h3{font-size:21px;}
.post-card--big .post-thumb{aspect-ratio:21/9;}
.empty-state{
  background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-lg);
  padding:56px 28px;text-align:center;
}
.empty-art{
  width:120px;height:80px;margin:0 auto 20px;border-radius:var(--r-sm);
  background:linear-gradient(115deg,#EDEFF4,#E1E4EC);
}
.empty-state h3{font-size:19px;margin-bottom:10px;}
.empty-state p{color:var(--c-ink-2);font-size:15px;margin-bottom:22px;}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start;}
.accordion-item{
  border:1px solid var(--c-line);border-radius:16px;background:#fff;
  margin-bottom:16px;overflow:hidden;transition:background .28s var(--ease),border-color .28s var(--ease);
}
.accordion-item:has(.accordion-button:not(.collapsed)){background:var(--c-bg-soft);border-color:rgba(255,78,51,.28);}
.accordion-button{
  width:100%;border:0;background:transparent;text-align:left;
  padding:20px 22px;font-size:17px;font-weight:700;color:var(--c-ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  position:relative;box-shadow:none;
}
.accordion-button::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:4px;background:var(--grad);opacity:0;transition:opacity .28s var(--ease);}
.accordion-button:not(.collapsed)::before{opacity:1;}
.accordion-button::after{
  content:"＋";font-size:18px;font-weight:700;color:var(--c-brand-2);
  background-image:none;width:auto;height:auto;transform:none;line-height:1;flex:none;
}
.accordion-button:not(.collapsed)::after{content:"－";transform:none;}
.accordion-button:focus{box-shadow:none;}
.accordion-body{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}

/* CTA band */
.cta-band{
  border-radius:var(--r-lg);padding:clamp(36px,5vw,64px) clamp(24px,5vw,56px);
  background:var(--grad-soft);border:1px solid rgba(255,78,51,.18);
  text-align:center;
}
.cta-band h2{font-size:clamp(24px,3.2vw,34px);font-weight:800;margin-bottom:14px;}
.cta-band p{color:var(--c-ink-2);max-width:620px;margin:0 auto 28px;}
.cta-note{font-size:13.5px;color:var(--c-ink-2);margin-top:18px;}

/* Footer */
.site-footer{background:var(--c-bg-dark);color:rgba(255,255,255,.72);position:relative;padding-top:2px;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);}
.footer-inner{padding:72px 0 32px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:rgba(255,255,255,.55);font-weight:700;margin-bottom:20px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-text .main{color:#fff;}
.footer-brand .brand-text .sub{color:rgba(255,255,255,.5);}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin-bottom:18px;}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.68);display:inline-block;transition:all .24s var(--ease);}
.footer-col ul a:hover{color:#fff;transform:translateX(2px);}
.footer-note{font-size:13.5px;color:rgba(255,255,255,.55);line-height:1.9;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);margin-top:48px;padding-top:22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* Bottom fixed bar */
.bottom-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1035;
  background:#fff;box-shadow:var(--sh-up);
  transform:translateY(120%);transition:transform .34s var(--ease);
}
.bottom-bar.is-visible{transform:translateY(0);}
.bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:64px;padding:8px 0;}
.bottom-left{display:flex;align-items:center;gap:12px;font-size:14.5px;color:var(--c-ink-2);font-weight:600;}
.bottom-actions{display:flex;align-items:center;gap:10px;}
.bottom-close{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);background:#fff;
  color:var(--c-ink-2);font-size:16px;line-height:1;cursor:pointer;flex:none;
}
.bottom-close:hover{color:var(--c-brand-2);border-color:rgba(255,78,51,.35);}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

@media (max-width:1199.98px){
  .nav-links a{padding:10px 9px;font-size:14px;}
  .partner-wall{grid-template-columns:repeat(4,1fr);}
}
@media (max-width:991.98px){
  body{font-size:16px;padding-bottom:88px;}
  .section{padding:64px 0;}
  .nav-links,.nav-right .status-chip{display:none;}
  .nav-toggle{display:flex;}
  .hero{min-height:auto;padding-top:40px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-card,.hero-card img{min-height:300px;}
  .float-badge.b1{right:12px;}
  .float-badge.b2{left:12px;top:70px;}
  .databar-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .fcard--main{grid-column:span 12;}
  .fcard--sm{grid-column:span 6;}
  .scenario{grid-template-columns:1fr;gap:32px;}
  .scenario.reverse .scenario-media{order:0;}
  .scenario + .scenario{margin-top:56px;}
  .pf-grid{grid-template-columns:repeat(2,1fr);}
  .review-grid{grid-template-columns:1fr;}
  .faq-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section-head{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .topbar .inner{flex-wrap:wrap;}
  .fcard--sm{grid-column:span 12;}
  .partner-wall{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr;}
  .bottom-left span.text{display:none;}
  .bottom-inner{min-height:56px;}
  .btn-brand,.btn-outline-brand{width:100%;}
  .hero-cta{flex-direction:column;}
  .hero-cta .btn-brand,.hero-cta .btn-outline-brand{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --c-brand-1:#FF4E33;
  --c-brand-2:#FF2E7E;
  --c-accent:#00D9C0;
  --c-warn:#FFC93C;
  --c-ink:#14161C;
  --c-ink-2:#5A6070;
  --c-line:#E7E9EE;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F6F7FA;
  --c-bg-dark:#12141A;
  --grad:linear-gradient(115deg,var(--c-brand-1),var(--c-brand-2));
  --grad-soft:linear-gradient(115deg,rgba(255,78,51,.10),rgba(255,46,126,.10));
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(20,22,28,.06);
  --sh-hover:0 18px 44px rgba(255,78,51,.16);
  --sh-up:0 -8px 24px rgba(20,22,28,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#FF4E33;
  --bs-primary-rgb:255,78,51;
  --bs-link-color:#FF4E33;
  --bs-link-hover-color:#FF2E7E;
  --bs-body-color:#14161C;
  --bs-body-font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --bs-border-radius:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  padding-bottom:88px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-ink);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-brand-2)}
ul,ol{padding-left:1.2em}
button,input,select,textarea{font:inherit}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,46,126,.22)}
h1,h2,h3,h4{line-height:1.25;margin:0}
p{margin:0 0 1.1em}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 clamp(20px,4vw,40px)}
.mono{font-family:ui-monospace,"DIN Alternate",Menlo,Consolas,monospace;font-variant-numeric:tabular-nums}

/* ---------- 顶部公告条 ---------- */
.topbar{background:var(--c-bg-dark);color:#fff;font-size:13px}
.topbar-inner{height:40px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-left{color:rgba(255,255,255,.72);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-badge{display:inline-flex;align-items:center;gap:8px;padding:4px 12px;border-radius:var(--r-pill);background:var(--grad);font-size:12px;font-weight:700;white-space:nowrap}
.dot-pulse{width:8px;height:8px;border-radius:50%;background:#fff;animation:pulse 1.8s infinite}
@keyframes pulse{0%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.7)}100%{opacity:1;transform:scale(1)}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .28s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(20,22,28,.08)}
.header-inner{display:flex;align-items:center;gap:28px;height:76px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:42px;height:42px;border-radius:14px;background:var(--grad);
  display:grid;place-items:center;box-shadow:0 8px 20px rgba(255,46,126,.28);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text .main{font-size:18px;font-weight:800;letter-spacing:-.01em}
.brand-text .sub{font-size:12px;color:var(--c-ink-2);letter-spacing:.04em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;padding:10px 12px;font-size:14.5px;font-weight:600;color:var(--c-ink-2);border-radius:10px;
}
.nav-links a:hover{color:var(--c-ink);background:var(--c-bg-soft)}
.nav-links a.active{color:var(--c-ink)}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;background:var(--grad);
}
.nav-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.status-chip{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-2);white-space:nowrap}
.status-chip .dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);animation:pulse 1.8s infinite}

.btn-brand,.btn-outline-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:700;border:0;cursor:pointer;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease),color .28s var(--ease);
  text-align:center;
}
.btn-brand{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,46,126,.24)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,46,126,.3),0 0 0 4px rgba(255,46,126,.18)}
.btn-outline-brand{
  background:#fff;color:var(--c-ink);position:relative;
  border:1px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.btn-outline-brand:hover{color:var(--c-brand-2);background-image:linear-gradient(#fff,#fff),var(--grad);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--c-ink);padding-left:6px;padding-right:6px;position:relative}
.btn-ghost::after{content:"";position:absolute;left:6px;right:6px;bottom:6px;height:2px;border-radius:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease)}
.btn-ghost:hover::after{transform:scaleX(1)}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn-md{height:44px;padding:0 22px;font-size:15px}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px}

.hamburger{display:none;width:44px;height:44px;border:0;background:transparent;padding:0;cursor:pointer;flex-direction:column;justify-content:center;gap:7px;align-items:center}
.hamburger span{display:block;width:24px;height:3px;border-radius:3px;background:var(--grad)}

.drawer{
  position:fixed;inset:0;z-index:80;background:#fff;transform:translateX(100%);
  transition:transform .34s var(--ease);display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--c-line)}
.drawer-close{width:40px;height:40px;border:1px solid var(--c-line);border-radius:12px;background:#fff;font-size:20px;line-height:1;cursor:pointer}
.drawer-body{padding:12px 22px;overflow-y:auto;flex:1}
.drawer-body a{display:flex;align-items:center;height:56px;font-size:17px;font-weight:600;border-bottom:1px solid var(--c-line);color:var(--c-ink)}
.drawer-body a.active{color:var(--c-brand-2)}
.drawer-foot{padding:18px 22px;border-top:1px solid var(--c-line)}
.drawer-foot .btn-brand{width:100%}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--c-bg-soft);border-bottom:1px solid var(--c-line)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:16px 0;font-size:13.5px;color:var(--c-ink-2);list-style:none;margin:0}
.crumb li{display:flex;align-items:center;gap:10px}
.crumb li+li::before{content:"/";color:#C3C7D2}
.crumb a{color:var(--c-ink-2)}
.crumb a:hover{color:var(--c-brand-2)}
.crumb .now{color:var(--c-ink);font-weight:600;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头 ---------- */
.article-head{padding:48px 0 0}
.article-head .chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);font-size:12.5px;font-weight:700}
.chip-grad{background:var(--grad-soft);color:var(--c-brand-2)}
.chip-accent{background:rgba(0,217,192,.12);color:#099e8e}
.chip-warn{background:var(--c-warn);color:#14161C}
.article-head h1{
  font-size:clamp(28px,4.4vw,44px);font-weight:800;letter-spacing:-.02em;max-width:22em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:22px;padding-top:20px;border-top:1px solid var(--c-line);
  font-size:14px;color:var(--c-ink-2);
}
.article-meta .item{display:inline-flex;align-items:center;gap:8px}
.article-meta .item b{color:var(--c-ink);font-weight:600}
.hero-figure{margin:32px 0 0;border-radius:20px;overflow:hidden;position:relative;box-shadow:var(--sh)}
.hero-figure img{width:100%;aspect-ratio:21/9;object-fit:cover}
.hero-figure .float-badge{
  position:absolute;left:18px;bottom:18px;background:rgba(18,20,26,.86);color:#fff;
  padding:8px 16px;border-radius:var(--r-pill);font-size:12.5px;font-weight:700;display:inline-flex;align-items:center;gap:8px;
}

/* ---------- 正文布局 ---------- */
.article-main{padding:56px 0 88px}
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 260px;
  gap:56px;justify-content:center;align-items:start;
}
.article-body{font-size:17px;line-height:1.85;color:#20242E;min-width:0}
.article-body>*+*{margin-top:1.2em}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:24px;font-weight:700;margin:40px 0 18px;padding-left:16px;color:var(--c-ink);
}
.article-body h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--grad)}
.article-body h3{font-size:19px;font-weight:700;margin:32px 0 12px;color:var(--c-ink)}
.article-body h4{font-size:17px;font-weight:700;margin:24px 0 10px}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.2em}
.article-body li{margin-bottom:.6em}
.article-body li::marker{color:var(--c-brand-1)}
.article-body blockquote{
  margin:24px 0;padding:20px 22px;background:var(--c-bg-soft);
  border-left:3px solid transparent;border-image:var(--grad) 1;
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--c-ink-2);
}
.article-body img{border-radius:16px;margin:24px 0}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--c-ink-2);text-align:center;margin-top:10px}
.article-body a{color:var(--c-brand-2);font-weight:600;border-bottom:1px solid rgba(255,46,126,.35)}
.article-body a:hover{color:var(--c-brand-1);border-bottom-color:var(--c-brand-1)}
.article-body .table-wrap{overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r-sm);margin:24px 0}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--c-line);text-align:left}
.article-body th{background:var(--c-bg-soft);font-weight:700;color:var(--c-ink)}
.article-body tr:last-child td{border-bottom:0}
.article-body hr{border:0;height:1px;background:var(--c-line);margin:36px 0}

/* 空态 */
.empty-state{
  border:1px dashed var(--c-line);border-radius:var(--r-lg);background:var(--c-bg-soft);
  padding:56px 28px;text-align:center;
}
.empty-state .icon{
  width:64px;height:64px;border-radius:20px;background:var(--grad);margin:0 auto 18px;
  display:grid;place-items:center;color:#fff;font-size:26px;font-weight:800;
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px;padding:0}
.empty-state h2::before{display:none}
.empty-state p{color:var(--c-ink-2);font-size:15px;margin-bottom:22px}

/* ---------- 侧栏 ---------- */
.side{position:sticky;top:104px;display:flex;flex-direction:column;gap:18px}
.side-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:20px;box-shadow:var(--sh);
}
.side-card h3{font-size:14px;letter-spacing:.06em;color:var(--c-ink-2);font-weight:700;margin-bottom:14px;text-transform:uppercase}
.side-card ul{list-style:none;margin:0;padding:0}
.side-card li+li{margin-top:10px}
.side-card li a{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--c-ink-2);line-height:1.5}
.side-card li a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex:0 0 auto}
.side-card li a:hover{color:var(--c-brand-2);transform:translateX(2px)}
.side-meta{display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--c-ink-2)}
.side-meta div{display:flex;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px dashed var(--c-line)}
.side-meta div:last-child{border-bottom:0;padding-bottom:0}
.side-meta b{color:var(--c-ink);font-weight:600}

/* ---------- 标签与返回 ---------- */
.article-foot{margin-top:48px;padding-top:28px;border-top:1px solid var(--c-line)}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-row .label{font-size:14px;color:var(--c-ink-2)}
.tag{display:inline-flex;align-items:center;padding:7px 14px;border-radius:var(--r-pill);background:var(--c-bg-soft);border:1px solid var(--c-line);font-size:13.5px;color:var(--c-ink-2)}
.tag:hover{border-color:rgba(255,46,126,.4);color:var(--c-brand-2)}
.article-foot .actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 88px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.sec-head h2{font-size:clamp(22px,3vw,30px);font-weight:700}
.sec-head .kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--c-brand-2);margin-bottom:10px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card-mini{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh);transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
  display:flex;flex-direction:column;
}
.card-mini:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,78,51,.28)}
.card-mini .thumb{position:relative;overflow:hidden}
.card-mini .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease)}
.card-mini:hover .thumb img{transform:scale(1.04)}
.card-mini .thumb .chip{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.94);color:var(--c-brand-2)}
.card-mini .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-mini h3{font-size:17px;font-weight:700;line-height:1.45}
.card-mini h3 a{display:block}
.card-mini p{font-size:14px;color:var(--c-ink-2);margin:0;line-height:1.7}
.card-mini .foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-ink-2)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-bg-dark);color:rgba(255,255,255,.72);position:relative;margin-top:8px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad)}
.footer-inner{padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand .brand-text .main{color:#fff;font-size:17px;font-weight:800}
.footer-brand .brand-text .sub{color:rgba(255,255,255,.55);font-size:12px}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:34ch}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:rgba(255,255,255,.5);font-weight:700;margin-bottom:18px;text-transform:uppercase}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li+li{margin-top:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:transform .22s var(--ease),color .22s var(--ease)}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-note{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.6)}
.badge-soft{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);font-size:12.5px;font-weight:700;margin-top:16px}
.badge-soft--dark{background:rgba(255,255,255,.08);color:#fff}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--c-accent);animation:pulse 1.8s infinite}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 底部固定条 ---------- */
.bottom-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;box-shadow:var(--sh-up);
  transform:translateY(110%);transition:transform .34s var(--ease);
}
.bottom-bar.is-visible{transform:translateY(0)}
.bottom-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.bottom-text{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--c-ink-2);min-width:0}
.bottom-text b{color:var(--c-ink);font-weight:700}
.bottom-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.bottom-close{width:36px;height:36px;border:1px solid var(--c-line);background:#fff;border-radius:12px;cursor:pointer;font-size:18px;line-height:1;color:var(--c-ink-2)}
.bottom-close:hover{border-color:rgba(255,46,126,.4);color:var(--c-brand-2)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,760px) 240px;gap:36px}
}
@media (max-width:991.98px){
  .nav-links,.nav-actions .status-chip{display:none}
  .hamburger{display:flex}
  .header-inner{height:68px;gap:16px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .side{position:static;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 260px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .related-grid{grid-template-columns:1fr 1fr}
  .article-main{padding:44px 0 64px}
}
@media (max-width:767.98px){
  body{font-size:16px;padding-bottom:80px}
  .topbar-inner{height:auto;padding:10px 0;flex-wrap:wrap}
  .topbar-left{font-size:12px}
  .article-head{padding:32px 0 0}
  .article-meta{gap:8px 16px;font-size:13px}
  .hero-figure img{aspect-ratio:16/10}
  .article-body{font-size:16px;line-height:1.8}
  .article-body h2{font-size:20px;margin-top:32px}
  .article-body h3{font-size:17px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-inner{padding-top:48px}
  .bottom-inner{height:56px;gap:12px}
  .bottom-text{font-size:13px}
  .bottom-text .badge-soft{display:none}
  .bottom-actions .btn-brand{height:40px;padding:0 16px;font-size:14px}
  .sec-head{flex-direction:column;align-items:flex-start}
}
@media (max-width:519.98px){
  .brand-text .main{font-size:16px}
  .brand-text .sub{display:none}
  .crumb .now{max-width:24ch}
  .side{flex-direction:column}
  .article-foot .actions .btn-brand,.article-foot .actions .btn-outline-brand{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --c-brand-1:#FF4E33;
  --c-brand-2:#FF2E7E;
  --c-accent:#00D9C0;
  --c-warn:#FFC93C;
  --c-ink:#14161C;
  --c-ink-2:#5A6070;
  --c-line:#E7E9EE;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F6F7FA;
  --c-bg-dark:#12141A;
  --grad:linear-gradient(115deg,var(--c-brand-1),var(--c-brand-2));
  --grad-soft:linear-gradient(115deg,rgba(255,78,51,.10),rgba(255,46,126,.10));
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh-1:0 8px 24px rgba(20,22,28,.06);
  --sh-2:0 18px 44px rgba(255,78,51,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:ui-monospace,"DIN Alternate","SFMono-Regular",Menlo,Consolas,monospace;
  --bs-primary:#FF4E33;
  --bs-primary-rgb:255,78,51;
  --bs-link-color:#14161C;
  --bs-link-hover-color:#FF2E7E;
  --bs-body-font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --bs-body-color:#14161C;
  --bs-border-color:#E7E9EE;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  padding-bottom:96px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-ink);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--c-brand-2);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;}
p{margin:0;}
button{font-family:inherit;border:0;background:none;cursor:pointer;}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,46,126,.24);border-radius:12px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 clamp(20px,4vw,40px);
}

/* ---------- 顶部公告条 ---------- */
.topbar{
  background:var(--c-bg-dark);
  color:rgba(255,255,255,.82);
  font-size:14px;
  min-height:40px;
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:40px;
  flex-wrap:wrap;
}
.topbar-text{display:flex;align-items:center;gap:8px;}
.topbar-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:4px 14px;
  border-radius:999px;
  background:var(--grad);
  color:#fff;
  font-size:13px;
  font-weight:600;
  font-family:var(--mono);
  letter-spacing:.02em;
  white-space:nowrap;
}
.dot-live{
  width:8px;height:8px;border-radius:50%;
  background:var(--c-accent);
  box-shadow:0 0 0 0 rgba(0,217,192,.6);
  animation:pulse 2.2s infinite;
  flex:none;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(0,217,192,.55);}
  70%{box-shadow:0 0 0 9px rgba(0,217,192,0);}
  100%{box-shadow:0 0 0 0 rgba(0,217,192,0);}
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .28s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(20,22,28,.08);}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:74px;
}
.brand{display:flex;align-items:center;gap:12px;flex:none;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  background:var(--grad);
  display:grid;place-items:center;
  box-shadow:0 8px 18px rgba(255,46,126,.22);
  flex:none;
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text .main{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);}
.brand-text .sub{font-size:12px;color:var(--c-ink-2);letter-spacing:.06em;}

.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
  flex-wrap:wrap;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:14.5px;
  color:var(--c-ink-2);
  font-weight:500;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:4px;
  height:3px;border-radius:999px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .28s var(--ease);
}
.nav-links a:hover{color:var(--c-ink);}
.nav-links a:hover::after,
.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--c-ink);font-weight:700;}

.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:14px;
  flex:none;
}
.status-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border-radius:999px;
  background:rgba(0,217,192,.12);
  color:#0a8f80;
  font-size:13px;
  font-weight:600;
  white-space:nowrap;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  font-weight:700;
  font-size:15px;
  line-height:1;
  padding:0 22px;
  height:44px;
  border:1px solid transparent;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease);
  white-space:nowrap;
}
.btn-lg{height:52px;font-size:16px;padding:0 28px;}
.btn-sm{height:38px;font-size:14px;padding:0 18px;}
.btn-brand{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,46,126,.22);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,46,126,.3),0 0 0 4px rgba(255,46,126,.18);filter:brightness(1.06);}
.btn-outline-brand{
  background:transparent;
  color:var(--c-ink);
  border:1px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;
  background-clip:padding-box,border-box;
}
.btn-outline-brand:hover{background-image:var(--grad-soft),var(--grad);color:var(--c-brand-2);}
.btn-ghost{color:var(--c-ink);padding:0 4px;height:auto;border-radius:0;}
.btn-ghost span{border-bottom:2px solid var(--c-line);padding-bottom:3px;transition:border-color .24s var(--ease);}
.btn-ghost:hover span{border-color:var(--c-brand-2);}

/* ---------- 移动端抽屉 ---------- */
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:14px;
  border:1px solid var(--c-line);
  background:#fff;
  position:relative;
}
.nav-toggle i{
  position:absolute;left:50%;width:20px;height:3px;border-radius:999px;background:var(--grad);
  transform:translateX(-50%);
  transition:transform .28s var(--ease),opacity .2s linear;
}
.nav-toggle i:nth-child(1){top:17px;}
.nav-toggle i:nth-child(2){top:25px;}
.nav-toggle.is-open i:nth-child(1){transform:translateX(-50%) translateY(4px) rotate(45deg);}
.nav-toggle.is-open i:nth-child(2){transform:translateX(-50%) translateY(-4px) rotate(-45deg);}

.mobile-drawer{
  display:none;
  position:fixed;
  inset:74px 0 0 0;
  background:#fff;
  z-index:1029;
  padding:18px clamp(20px,4vw,40px) 24px;
  overflow-y:auto;
  border-top:1px solid var(--c-line);
}
.mobile-drawer.is-open{display:flex;flex-direction:column;}
.mobile-drawer a.drawer-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:17px;
  line-height:56px;
  min-height:56px;
  border-bottom:1px solid var(--c-line);
  color:var(--c-ink);
}
.mobile-drawer a.drawer-link.active{color:var(--c-brand-2);font-weight:700;}
.mobile-drawer .drawer-foot{margin-top:auto;padding-top:22px;}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  background:
    radial-gradient(900px 420px at 88% -10%,rgba(255,46,126,.14),transparent 60%),
    radial-gradient(700px 360px at 6% 0%,rgba(255,120,60,.14),transparent 62%),
    var(--c-bg-soft);
  border-bottom:1px solid var(--c-line);
  padding:52px 0 64px;
  overflow:hidden;
}
.cat-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(20,22,28,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(20,22,28,.035) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.6),transparent 78%);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:1;}

.crumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--c-ink-2);flex-wrap:wrap;margin-bottom:22px;}
.crumbs a{color:var(--c-ink-2);}
.crumbs a:hover{color:var(--c-brand-2);}
.crumbs .sep{color:#b9bec9;}
.crumbs .current{color:var(--c-ink);font-weight:600;}

.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:clamp(24px,4vw,48px);
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 16px;
  border-radius:999px;
  background:rgba(255,78,51,.10);
  color:var(--c-brand-2);
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:16px;border-radius:999px;background:var(--grad);}
h1{
  font-size:clamp(30px,5vw,52px);
  font-weight:800;
  letter-spacing:-.02em;
  margin-bottom:16px;
}
.hero-lead{
  font-size:17px;
  color:var(--c-ink-2);
  max-width:34em;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;}
.hero-points li{
  display:flex;align-items:center;gap:8px;
  font-size:14.5px;color:var(--c-ink-2);
}
.hero-points li::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--c-accent);flex:none;
}
.hero-visual{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  border:1px solid rgba(255,255,255,.7);
  aspect-ratio:16/11;
  background:#fff;
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-float{
  position:absolute;
  border-radius:999px;
  padding:8px 16px;
  font-size:13px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  gap:8px;
  backdrop-filter:blur(6px);
}
.hero-float.a{top:16px;right:16px;background:rgba(18,20,26,.86);color:#fff;font-family:var(--mono);letter-spacing:.02em;}
.hero-float.b{bottom:16px;left:16px;background:rgba(255,255,255,.92);color:var(--c-brand-2);box-shadow:var(--sh-1);}

/* ---------- 通用区块 ---------- */
.section{padding:88px 0;}
.section.soft{background:var(--c-bg-soft);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
  flex-wrap:wrap;
}
.section-head h2{font-size:clamp(22px,3vw,30px);font-weight:800;}
.section-head .desc{color:var(--c-ink-2);font-size:15.5px;margin-top:8px;max-width:52em;}
.section-head .side-link{font-size:14.5px;font-weight:700;color:var(--c-brand-2);}

/* ---------- 侧栏 + 内容流 ---------- */
.layout-side{
  display:grid;
  grid-template-columns:236px minmax(0,1fr);
  gap:clamp(24px,3vw,40px);
  align-items:start;
}
.anchor-nav{
  position:sticky;
  top:104px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:22px;
  box-shadow:var(--sh-1);
}
.anchor-nav .anchor-title{
  font-size:12px;
  letter-spacing:.12em;
  color:var(--c-ink-2);
  font-weight:700;
  margin-bottom:14px;
}
.anchor-nav ul{display:flex;flex-direction:column;gap:2px;}
.anchor-nav a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius:12px;
  font-size:14.5px;
  color:var(--c-ink-2);
  font-weight:500;
  transition:background .24s var(--ease),color .24s var(--ease),transform .24s var(--ease);
}
.anchor-nav a::before{
  content:"";
  width:4px;height:16px;border-radius:999px;
  background:var(--c-line);
  transition:background .24s var(--ease);
  flex:none;
}
.anchor-nav a:hover{background:var(--c-bg-soft);color:var(--c-ink);transform:translateX(2px);}
.anchor-nav a:hover::before{background:var(--grad);}
.anchor-foot{
  margin-top:18px;
  padding-top:18px;
  border-top:1px dashed var(--c-line);
  font-size:13.5px;
  color:var(--c-ink-2);
}

.flow{display:flex;flex-direction:column;gap:44px;}
.flow-block .flow-title{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:16px;
}
.flow-block .flow-title .idx{
  font-family:var(--mono);
  font-size:13px;
  font-weight:700;
  color:#fff;
  background:var(--grad);
  border-radius:999px;
  padding:4px 12px;
  letter-spacing:.04em;
}
.flow-block .flow-title h2{font-size:clamp(20px,2.4vw,26px);font-weight:800;}
.flow-block > p.flow-desc{color:var(--c-ink-2);font-size:15.5px;margin-bottom:22px;max-width:56em;}

.card-row{
  display:grid;
  grid-template-columns:280px minmax(0,1fr);
  gap:24px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.card-row + .card-row{margin-top:20px;}
.card-row:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.card-row .thumb{
  position:relative;
  background:var(--c-bg-soft);
  min-height:200px;
}
.card-row .thumb img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.card-row .row-body{padding:26px 28px;display:flex;flex-direction:column;gap:12px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  align-self:flex-start;
  padding:5px 13px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:700;
  background:rgba(255,78,51,.10);
  color:var(--c-brand-2);
  letter-spacing:.02em;
}
.tag.tag-accent{background:rgba(0,217,192,.13);color:#0a8f80;}
.tag.tag-warn{background:rgba(255,201,60,.28);color:#7a5a00;}
.card-row h3{font-size:19px;font-weight:800;}
.card-row p{color:var(--c-ink-2);font-size:15.5px;}
.mini-list{display:flex;flex-direction:column;gap:8px;margin-top:2px;}
.mini-list li{display:flex;gap:10px;font-size:14.5px;color:var(--c-ink-2);}
.mini-list li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);margin-top:9px;flex:none;
}
.row-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--c-line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}
.stat-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  color:var(--c-ink-2);
}
.stat-chip b{font-family:var(--mono);font-size:15px;color:var(--c-ink);}
.link-arrow{
  font-size:14px;font-weight:700;color:var(--c-brand-2);
  display:inline-flex;align-items:center;gap:6px;
}
.link-arrow::after{content:"→";transition:transform .24s var(--ease);}
.link-arrow:hover::after{transform:translateX(4px);}

/* ---------- 表格 ---------- */
.table-wrap{
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  overflow:auto;
  background:#fff;
  box-shadow:var(--sh-1);
}
table.data-table{width:100%;border-collapse:collapse;min-width:640px;}
table.data-table th,
table.data-table td{
  padding:16px 20px;
  text-align:left;
  font-size:15px;
  border-bottom:1px solid var(--c-line);
  vertical-align:top;
}
table.data-table th{
  background:var(--c-bg-soft);
  font-size:13.5px;
  letter-spacing:.04em;
  color:var(--c-ink-2);
  font-weight:700;
  white-space:nowrap;
}
table.data-table td strong{font-weight:700;}
table.data-table tr:last-child td{border-bottom:0;}
table.data-table tbody tr:hover{background:rgba(255,78,51,.035);}

/* ---------- 双列信息卡 ---------- */
.dual-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.info-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:28px;
  box-shadow:var(--sh-1);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.icon-cap{
  width:44px;height:44px;border-radius:14px;
  background:var(--grad);
  display:grid;place-items:center;
  color:#fff;font-weight:800;font-family:var(--mono);
  margin-bottom:16px;
  box-shadow:0 10px 20px rgba(255,46,126,.2);
}
.info-card h3{font-size:18px;font-weight:800;margin-bottom:10px;}
.info-card p{color:var(--c-ink-2);font-size:15px;}

/* ---------- 保护要点 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.check-item{
  display:flex;gap:14px;
  background:var(--c-bg-soft);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:20px 22px;
}
.check-item .num{
  font-family:var(--mono);font-size:14px;font-weight:700;
  color:var(--c-brand-2);
  background:rgba(255,78,51,.10);
  border-radius:999px;
  padding:3px 12px;
  height:28px;
  display:inline-flex;align-items:center;flex:none;
}
.check-item p{font-size:15px;color:var(--c-ink-2);}
.check-item p b{color:var(--c-ink);display:block;font-size:15.5px;margin-bottom:4px;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.faq-item{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:16px;
  overflow:hidden;
  position:relative;
  transition:background .24s var(--ease),border-color .24s var(--ease);
  height:fit-content;
}
.faq-item::before{
  content:"";
  position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--grad);
  opacity:0;
  transition:opacity .24s var(--ease);
}
.faq-item.open{background:var(--c-bg-soft);border-color:rgba(255,78,51,.28);}
.faq-item.open::before{opacity:1;}
.faq-btn{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  padding:20px 22px;
  font-size:17px;
  font-weight:700;
  color:var(--c-ink);
}
.faq-btn::after{
  content:"＋";
  font-size:18px;
  font-weight:700;
  color:var(--c-brand-2);
  flex:none;
  transition:transform .28s var(--ease);
}
.faq-btn[aria-expanded="true"]::after{content:"－";transform:rotate(180deg);}
.faq-body{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}

/* ---------- 底部 CTA ---------- */
.cta-block{
  background:linear-gradient(120deg,rgba(255,78,51,.12),rgba(255,46,126,.12));
  border:1px solid rgba(255,78,51,.16);
  border-radius:var(--r-lg);
  padding:clamp(32px,5vw,56px);
  text-align:center;
}
.cta-block h2{font-size:clamp(22px,3vw,32px);font-weight:800;margin-bottom:14px;}
.cta-block p{color:var(--c-ink-2);margin-bottom:26px;font-size:16px;}
.cta-block .after-note{margin-top:18px;font-size:13.5px;color:var(--c-ink-2);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-bg-dark);
  color:rgba(255,255,255,.72);
  position:relative;
  padding:72px 0 32px;
}
.site-footer::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--grad);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand .main{font-size:17px;font-weight:800;color:#fff;display:block;line-height:1.2;}
.footer-brand .sub{font-size:12px;color:rgba(255,255,255,.5);letter-spacing:.06em;}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin-bottom:18px;}
.badge-soft{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:12.5px;font-weight:600;
}
.badge-soft--dark{background:rgba(255,255,255,.08);color:rgba(255,255,255,.78);}
.site-footer h4{
  font-size:14px;
  letter-spacing:.06em;
  color:rgba(255,255,255,.5);
  font-weight:700;
  margin-bottom:16px;
}
.site-footer ul{display:flex;flex-direction:column;gap:10px;}
.site-footer ul a{
  font-size:14px;
  color:rgba(255,255,255,.72);
  display:inline-block;
  transition:color .24s var(--ease),transform .24s var(--ease);
}
.site-footer ul a:hover{color:#fff;transform:translateX(2px);}
.footer-note{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.6);}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.6);
}

/* ---------- 底部固定转化条 ---------- */
.sticky-bar{
  position:fixed;
  left:0;right:0;bottom:0;
  background:#fff;
  box-shadow:0 -8px 24px rgba(20,22,28,.08);
  transform:translateY(110%);
  transition:transform .32s var(--ease);
  z-index:1040;
}
.sticky-bar.show{transform:translateY(0);}
.sticky-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:64px;
  padding-top:10px;
  padding-bottom:10px;
}
.sticky-text{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--c-ink-2);}
.sticky-actions{display:flex;align-items:center;gap:10px;}
.sticky-close{
  width:34px;height:34px;border-radius:50%;
  border:1px solid var(--c-line);
  color:var(--c-ink-2);
  font-size:16px;
  line-height:1;
  display:grid;place-items:center;
  transition:background .24s var(--ease),color .24s var(--ease);
}
.sticky-close:hover{background:var(--c-bg-soft);color:var(--c-ink);}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-links a{padding:10px 9px;font-size:14px;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .nav-toggle{display:block;}
  .status-badge{display:none;}
  .layout-side{grid-template-columns:1fr;}
  .anchor-nav{position:static;}
  .anchor-nav ul{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .anchor-nav a{background:var(--c-bg-soft);padding:8px 14px;border-radius:999px;}
  .anchor-nav a::before{display:none;}
  .anchor-foot{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .dual-grid{grid-template-columns:1fr;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .cat-hero{padding:36px 0 48px;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-visual{order:2;aspect-ratio:16/10;}
  .card-row{grid-template-columns:1fr;}
  .card-row .thumb{min-height:180px;aspect-ratio:16/9;}
  .faq-list{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .cta-block{text-align:left;}
  .footer-grid{grid-template-columns:1fr;}
  .sticky-text{font-size:13.5px;}
  .mobile-drawer{inset:74px 0 0 0;}
}
@media (max-width:575.98px){
  .header-inner{min-height:64px;gap:12px;}
  .brand-text .main{font-size:15.5px;}
  .brand-mark{width:38px;height:38px;}
  .mobile-drawer{inset:64px 0 0 0;}
  .hero-actions .btn{width:100%;}
  .sticky-inner{min-height:56px;}
  .sticky-text{display:none;}
  .sticky-actions{margin-left:auto;}
}

/* roulang page: category2 */
:root{
  --c-brand-1:#FF4E33;
  --c-brand-2:#FF2E7E;
  --c-accent:#00D9C0;
  --c-warn:#FFC93C;
  --c-ink:#14161C;
  --c-ink-2:#5A6070;
  --c-line:#E7E9EE;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F6F7FA;
  --c-bg-dark:#12141A;
  --grad:linear-gradient(115deg,var(--c-brand-1),var(--c-brand-2));
  --grad-soft:linear-gradient(115deg,rgba(255,78,51,.10),rgba(255,46,126,.10));
  --r-lg:24px; --r-md:18px; --r-sm:14px; --r-pill:999px;
  --sh-1:0 8px 24px rgba(20,22,28,.06);
  --sh-2:0 18px 44px rgba(255,78,51,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#FF4E33;
  --bs-primary-rgb:255,78,51;
  --bs-link-color:#14161C;
  --bs-link-hover-color:#FF2E7E;
  --bs-body-font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --bs-body-color:#14161C;
  --bs-border-color:#E7E9EE;
  --bs-border-radius:16px;
  --bs-font-sans-serif:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;line-height:1.75;color:var(--c-ink);background:var(--c-bg);
  padding-bottom:76px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-ink);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--c-brand-2);}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,46,126,.22);border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 clamp(20px,4vw,40px);}
.num{font-family:ui-monospace,"DIN Alternate","SFMono-Regular",Menlo,monospace;font-weight:700;letter-spacing:-.01em;}

/* ---------- 顶部公告条 ---------- */
.topbar{background:var(--c-bg-dark);color:rgba(255,255,255,.86);font-size:14px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:40px;}
.topbar-left{display:flex;align-items:center;gap:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-badge{display:inline-flex;align-items:center;gap:7px;background:var(--grad);color:#fff;font-size:12px;padding:4px 12px;border-radius:var(--r-pill);}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 0 rgba(0,217,192,.7);animation:pulse 2.2s infinite;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(0,217,192,.55);}70%{box-shadow:0 0 0 10px rgba(0,217,192,0);}100%{box-shadow:0 0 0 0 rgba(0,217,192,0);}}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 2px 12px rgba(20,22,28,.04);
  transition:box-shadow .3s var(--ease);
}
.site-header.is-stuck{box-shadow:0 8px 26px rgba(20,22,28,.10);}
.header-inner{display:flex;align-items:center;gap:26px;height:76px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:13px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  box-shadow:0 6px 16px rgba(255,78,51,.28);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text .main{font-size:18px;font-weight:800;letter-spacing:-.02em;}
.brand-text .sub{font-size:12px;color:var(--c-ink-2);letter-spacing:.14em;}
.nav-links{display:flex;align-items:center;gap:24px;margin-left:auto;}
.nav-links a{
  position:relative;font-size:15px;color:var(--c-ink-2);padding:6px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:3px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
}
.nav-links a:hover{color:var(--c-ink);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--c-ink);font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.badge-soft{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:#0a8f81;
  background:rgba(0,217,192,.12);border-radius:var(--r-pill);padding:6px 13px;white-space:nowrap;
}
.badge-soft--dark{color:rgba(255,255,255,.82);background:rgba(255,255,255,.10);}
.btn-brand,.btn-outline,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .28s var(--ease);
}
.btn-brand{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(255,78,51,.26);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 0 0 4px rgba(255,46,126,.18),0 12px 26px rgba(255,78,51,.3);}
.btn-outline{background:#fff;color:var(--c-ink);border-color:transparent;position:relative;}
.btn-outline::before{
  content:"";position:absolute;inset:0;border-radius:var(--r-pill);padding:1px;
  background:var(--grad);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.btn-outline:hover{color:var(--c-brand-2);transform:translateY(-2px);background:linear-gradient(115deg,rgba(255,78,51,.08),rgba(255,46,126,.08));}
.btn-ghost{background:transparent;color:var(--c-ink);padding-left:0;padding-right:0;}
.btn-ghost::after{content:"→";transition:transform .28s var(--ease);}
.btn-ghost:hover{color:var(--c-brand-2);}
.btn-ghost:hover::after{transform:translateX(4px);}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.btn-md{height:44px;padding:0 22px;}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:none;background:transparent;border-radius:12px;
  flex-direction:column;align-items:center;justify-content:center;gap:6px;cursor:pointer;
}
.nav-toggle span{display:block;width:22px;height:2.5px;border-radius:2px;background:var(--grad);transition:.3s var(--ease);}
.nav-toggle.is-open span:first-child{transform:translateY(4.25px) rotate(45deg);}
.nav-toggle.is-open span:last-child{transform:translateY(-4.25px) rotate(-45deg);}
.nav-drawer-cta{display:none;}

/* ---------- 分类 Hero ---------- */
.hero-cat{position:relative;overflow:hidden;background:var(--c-bg-dark);}
.hero-cat-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.42;filter:saturate(1.05);
}
.hero-cat::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(18,20,26,.94) 0%,rgba(18,20,26,.78) 48%,rgba(255,46,126,.34) 100%);
}
.hero-cat-inner{position:relative;z-index:2;padding:clamp(48px,7vw,86px) 0 clamp(52px,7vw,92px);color:#fff;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.62);}
.crumbs li+li::before{content:"/";margin-right:8px;color:rgba(255,255,255,.35);}
.crumbs a{color:rgba(255,255,255,.72);}
.crumbs a:hover{color:#fff;}
.tag-line{
  display:inline-flex;align-items:center;gap:8px;margin-top:26px;
  font-size:12.5px;letter-spacing:.16em;color:#fff;background:var(--grad);
  padding:6px 15px;border-radius:var(--r-pill);
}
.hero-cat h1{
  margin-top:22px;font-size:clamp(30px,5vw,52px);font-weight:800;letter-spacing:-.02em;max-width:16em;
}
.hero-sub{margin-top:18px;font-size:17px;color:rgba(255,255,255,.78);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-actions .btn-outline{background:rgba(255,255,255,.06);color:#fff;}
.hero-actions .btn-outline:hover{color:#fff;background:rgba(255,255,255,.14);}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.hero-tags span{
  font-size:13px;color:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-pill);padding:6px 14px;background:rgba(255,255,255,.05);
}

/* ---------- 通用区块 ---------- */
.sec{padding:clamp(56px,8vw,104px) 0;}
.sec-soft{background:var(--c-bg-soft);}
.sec-dark{background:var(--c-bg-dark);color:#fff;}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:36px;}
.sec-head .kicker{
  display:inline-flex;align-items:center;gap:9px;font-size:12.5px;letter-spacing:.16em;
  color:var(--c-brand-2);font-weight:700;
}
.sec-head .kicker::before{content:"";width:22px;height:4px;border-radius:3px;background:var(--grad);}
.sec-head h2{font-size:clamp(24px,3.2vw,38px);margin-top:12px;letter-spacing:-.02em;}
.sec-head p{margin-top:12px;color:var(--c-ink-2);max-width:44em;font-size:16px;}
.sec-dark .sec-head p{color:rgba(255,255,255,.68);}
.sec-dark .sec-head .kicker{color:#fff;}

/* ---------- 数据条 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-item{border-left:1px solid rgba(255,255,255,.16);padding-left:20px;}
.stat-item:first-child{border-left:none;padding-left:0;}
.stat-item .val{font-size:clamp(26px,3.4vw,38px);font-weight:700;}
.stat-item .val small{font-size:14px;font-weight:500;margin-left:4px;opacity:.72;}
.stat-item .lb{margin-top:6px;font-size:14px;color:rgba(255,255,255,.66);}

/* ---------- 四宫格大卡 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.card-lg{
  position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh-1);transition:all .28s var(--ease);overflow:hidden;
}
.card-lg:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,78,51,.28);}
.card-lg .icon{
  width:44px;height:44px;border-radius:14px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;
  font-family:ui-monospace,monospace;
}
.card-lg h3{margin-top:20px;font-size:20px;}
.card-lg p{margin-top:12px;font-size:15.5px;color:var(--c-ink-2);}
.card-foot{
  margin-top:22px;padding-top:18px;border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
}
.badge-data{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:#0a8f81;
  background:rgba(0,217,192,.12);border-radius:var(--r-pill);padding:5px 12px;
}
.badge-data b{font-family:ui-monospace,monospace;font-size:13px;}
.badge-warn{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:#14161C;
  background:var(--c-warn);border-radius:var(--r-pill);padding:5px 12px;font-weight:600;
}
.badge-tag{
  display:inline-flex;align-items:center;font-size:12.5px;color:var(--c-brand-2);
  background:linear-gradient(115deg,rgba(255,78,51,.10),rgba(255,46,126,.10));
  border-radius:var(--r-pill);padding:5px 12px;
}

/* ---------- 图文两段 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:center;}
.split+.split{margin-top:clamp(56px,7vw,88px);}
.split-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--sh-1);}
.split-media img{ width:100%;height:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .5s var(--ease); }
.split-media:hover img{transform:scale(1.03);}
.float-badge{
  position:absolute;top:18px;right:18px;background:var(--c-bg-dark);color:#fff;
  font-size:12.5px;border-radius:var(--r-pill);padding:7px 14px;display:inline-flex;gap:7px;align-items:center;
}
.float-badge b{font-family:ui-monospace,monospace;color:var(--c-accent);}
.split-index{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;
  border-radius:14px;background:var(--grad);color:#fff;font-weight:700;font-family:ui-monospace,monospace;
}
.split-body h3{margin-top:18px;font-size:clamp(20px,2.4vw,26px);letter-spacing:-.01em;}
.split-body p.lead{margin-top:12px;color:var(--c-ink-2);font-size:16px;}
.dot-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.dot-list li{position:relative;padding-left:22px;font-size:15.5px;color:var(--c-ink-2);}
.dot-list li::before{
  content:"";position:absolute;left:0;top:10px;width:9px;height:9px;border-radius:50%;
  background:var(--c-accent);
}
.split-body .btn-ghost{margin-top:22px;font-size:15px;}
.split.reverse .split-media{order:2;}
.split.reverse .split-body{order:1;}

/* ---------- 标签云 ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;}
.tag-cloud span{
  font-size:14.5px;color:var(--c-ink);background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-pill);padding:9px 18px;transition:all .24s var(--ease);cursor:default;
}
.tag-cloud span:hover{border-color:transparent;color:#fff;background:var(--grad);transform:translateY(-2px);}
.note-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px;}
.note-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:24px;}
.note-card h4{font-size:17px;}
.note-card p{margin-top:10px;font-size:15px;color:var(--c-ink-2);}

/* ---------- FAQ ---------- */
.faq .accordion-item{
  border:1px solid var(--c-line);border-radius:16px;background:#fff;overflow:hidden;margin-bottom:14px;
  transition:all .28s var(--ease);
}
.faq .accordion-item:last-child{margin-bottom:0;}
.faq .accordion-button{
  position:relative;background:#fff;color:var(--c-ink);font-size:17px;font-weight:600;
  padding:22px 56px 22px 24px;border:none;box-shadow:none;border-radius:16px;line-height:1.5;
}
.faq .accordion-button::after{display:none;}
.faq .accordion-button::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;line-height:24px;text-align:center;border-radius:50%;
  font-size:17px;color:var(--c-brand-2);background:rgba(255,46,126,.10);
  transition:all .28s var(--ease);
}
.faq .accordion-button:not(.collapsed){
  background:var(--c-bg-soft);box-shadow:inset 4px 0 0 0 var(--c-brand-1);color:var(--c-ink);
}
.faq .accordion-button:not(.collapsed)::before{
  content:"−";color:#fff;background:var(--grad);transform:translateY(-50%) rotate(180deg);
}
.faq .accordion-button:focus{box-shadow:none;}
.faq .accordion-body{
  padding:4px 24px 24px;font-size:15px;line-height:1.8;color:var(--c-ink-2);
}
.faq-wrap{display:grid;grid-template-columns:1fr 1fr;gap:0 24px;}
.faq-col{display:flex;flex-direction:column;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(115deg,rgba(255,78,51,.12),rgba(255,46,126,.12));
  border:1px solid rgba(255,78,51,.16);border-radius:var(--r-lg);
  padding:clamp(34px,5vw,60px);text-align:center;
}
.cta-band h2{font-size:clamp(24px,3.2vw,36px);letter-spacing:-.02em;}
.cta-band p{margin-top:14px;color:var(--c-ink-2);}
.cta-band .btn-brand{margin-top:28px;}
.cta-band .hint{margin-top:14px;font-size:13.5px;color:var(--c-ink-2);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-bg-dark);color:rgba(255,255,255,.72);position:relative;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);}
.footer-inner{padding:clamp(48px,6vw,80px) 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:rgba(255,255,255,.52);font-weight:600;margin-bottom:18px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:all .24s var(--ease);}
.footer-col ul a:hover{color:#fff;transform:translateX(3px);}
.footer-about{margin-top:18px;font-size:14.5px;color:rgba(255,255,255,.62);max-width:30em;}
.footer-note{font-size:14px;color:rgba(255,255,255,.62);}
.footer-brand .brand-text .main{color:#fff;font-size:17px;}
.footer-brand .brand-text .sub{color:rgba(255,255,255,.5);}
.footer-col .badge-soft--dark{margin-top:16px;}
.footer-bottom{
  margin-top:46px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1050;background:#fff;
  box-shadow:0 -8px 24px rgba(20,22,28,.08);
  transform:translateY(110%);transition:transform .35s var(--ease);
}
.sticky-cta.show{transform:translateY(0);}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;}
.sticky-left{display:flex;align-items:center;gap:12px;font-size:15px;color:var(--c-ink-2);min-width:0;}
.sticky-left .txt{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sticky-right{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.sticky-close{
  width:32px;height:32px;border-radius:50%;border:1px solid var(--c-line);background:#fff;
  color:var(--c-ink-2);font-size:16px;line-height:1;cursor:pointer;transition:all .24s var(--ease);
}
.sticky-close:hover{background:var(--c-bg-soft);color:var(--c-ink);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-links{gap:18px;}
  .nav-links a{font-size:14px;}
  .header-inner{gap:18px;}
}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:28px 24px;}
  .stat-item:nth-child(3){border-left:none;padding-left:0;}
  .grid-4{grid-template-columns:1fr;}
  .note-grid{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split.reverse .split-media{order:0;}
  .split.reverse .split-body{order:1;}
  .faq-wrap{grid-template-columns:1fr;}
}
@media (max-width:767.98px){
  body{font-size:16.5px;padding-bottom:68px;}
  .topbar-left span.hide-sm{display:none;}
  .nav-toggle{display:flex;}
  .badge-soft{display:none;}
  .header-actions .btn-brand.btn-md{display:none;}
  .nav-links{
    position:fixed;top:116px;left:0;right:0;bottom:0;margin:0;padding:18px clamp(20px,4vw,40px) 120px;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    transform:translateX(100%);transition:transform .35s var(--ease);
    overflow-y:auto;z-index:1039;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-links a{font-size:17px;line-height:56px;border-bottom:1px solid var(--c-line);color:var(--c-ink);}
  .nav-links a::after{display:none;}
  .nav-links a.active{color:var(--c-brand-2);}
  .nav-drawer-cta{display:flex;margin-top:26px;}
  .nav-drawer-cta .btn-brand{width:100%;}
  .header-inner{height:64px;}
  .brand-text .main{font-size:16px;}
  .sticky-inner{height:56px;}
  .sticky-left .badge-soft{display:none;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-actions .btn-lg{width:100%;}
}
@media (max-width:519.98px){
  .stat-strip{grid-template-columns:1fr;}
  .stat-item{border-left:none;padding-left:0;}
  .card-lg{padding:22px;}
  .cta-band{padding:28px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --c-brand-1:#FF4E33;
  --c-brand-2:#FF2E7E;
  --c-accent:#00D9C0;
  --c-warn:#FFC93C;
  --c-ink:#14161C;
  --c-ink-2:#5A6070;
  --c-line:#E7E9EE;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F6F7FA;
  --c-bg-dark:#12141A;
  --grad-brand:linear-gradient(115deg,var(--c-brand-1),var(--c-brand-2));
  --grad-soft:linear-gradient(115deg,rgba(255,78,51,.10),rgba(255,46,126,.10));
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(20,22,28,.06);
  --sh-hover:0 18px 44px rgba(255,78,51,.16);
  --ease:.28s cubic-bezier(.2,.7,.3,1);
  --font-cn:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-num:ui-monospace,"DIN Alternate","SFMono-Regular",Menlo,monospace;
  --bs-primary:#FF4E33;
  --bs-primary-rgb:255,78,51;
  --bs-body-color:#14161C;
  --bs-body-font-family:var(--font-cn);
  --bs-link-color:#FF2E7E;
  --bs-link-hover-color:#FF4E33;
  --bs-border-color:#E7E9EE;
  --bs-body-bg:#FFFFFF;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  padding-bottom:96px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-ink);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--c-brand-2);}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1em;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,46,126,.28);border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 clamp(20px,4vw,40px);}
.num{font-family:var(--font-num);font-weight:800;letter-spacing:-.02em;}

/* ---------- 顶部公告条 ---------- */
.topbar{background:var(--c-bg-dark);color:#fff;font-size:14px;height:40px;display:flex;align-items:center;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;}
.topbar-left{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.78);overflow:hidden;white-space:nowrap;text-overflow:ellipsis;}
.topbar-pill{display:inline-flex;align-items:center;gap:8px;background:var(--grad-brand);color:#fff;border-radius:var(--r-pill);padding:3px 14px;font-size:12.5px;font-family:var(--font-num);}
.dot-pulse{width:7px;height:7px;border-radius:50%;background:#fff;position:relative;flex:0 0 auto;}
.dot-pulse::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:1px solid rgba(255,255,255,.6);animation:pulse 1.8s infinite;}
@keyframes pulse{0%{transform:scale(.6);opacity:.9}100%{transform:scale(1.5);opacity:0}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(20,22,28,.08);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand:hover{color:var(--c-ink);}
.brand-mark{
  width:42px;height:42px;border-radius:13px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:0 8px 20px rgba(255,46,126,.30);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text .main{font-size:17px;font-weight:800;letter-spacing:-.01em;}
.brand-text .sub{font-size:11.5px;color:var(--c-ink-2);letter-spacing:.08em;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{
  position:relative;font-size:15px;color:var(--c-ink);padding:6px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:3px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-links a:hover{color:var(--c-brand-2);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{font-weight:700;}
.header-right{display:flex;align-items:center;gap:14px;}
.status-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#0C8C7D;
  background:rgba(0,217,192,.12);border-radius:var(--r-pill);padding:6px 14px;white-space:nowrap;
}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--c-accent);position:relative;flex:0 0 auto;}
.dot-live::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:1px solid rgba(0,217,192,.7);animation:pulse 1.8s infinite;}

/* 按钮 */
.btn-brand,.btn-outline-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:700;font-size:15px;line-height:1;
  padding:0 22px;height:44px;border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease);
}
.btn-brand{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(255,46,126,.24);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,46,126,.32),0 0 0 4px rgba(255,46,126,.18);filter:brightness(1.06);}
.btn-outline-brand{background:#fff;color:var(--c-ink);border-color:transparent;position:relative;}
.btn-outline-brand::before{
  content:"";position:absolute;inset:0;border-radius:var(--r-pill);padding:1px;
  background:var(--grad-brand);
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.btn-outline-brand:hover{background:var(--grad-soft);color:var(--c-brand-2);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--c-ink);padding:0 6px;height:40px;}
.btn-ghost span{border-bottom:2px solid var(--c-brand-2);padding-bottom:2px;}
.btn-ghost:hover{color:var(--c-brand-2);}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}

/* 汉堡与抽屉 */
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:14px;
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle i{display:block;width:20px;height:2.5px;border-radius:2px;background:var(--grad-brand);}
.mobile-drawer{
  position:fixed;inset:76px 0 0 0;background:#fff;z-index:1025;
  transform:translateX(100%);transition:transform .32s cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;justify-content:space-between;
  padding:16px clamp(20px,5vw,32px) 28px;overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0);}
.mobile-drawer a.d-item{
  display:flex;align-items:center;justify-content:space-between;
  font-size:17px;line-height:56px;border-bottom:1px solid var(--c-line);color:var(--c-ink);
}
.mobile-drawer a.d-item.active{color:var(--c-brand-2);font-weight:700;}
.mobile-drawer .drawer-foot{padding-top:20px;}
.mobile-drawer .btn-brand{width:100%;}
body.drawer-open{overflow:hidden;}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0;}
.section--soft{background:var(--c-bg-soft);}
.section--tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(24px,3vw,34px);}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--c-brand-2);letter-spacing:.08em;margin-bottom:10px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad-brand);}
.section-head p{color:var(--c-ink-2);font-size:15.5px;max-width:640px;margin:10px 0 0;}
.grad-line{height:1px;background:linear-gradient(90deg,rgba(255,78,51,.35),rgba(255,46,126,.05));border:0;margin:0;}

/* 面包屑 */
.crumb{font-size:13.5px;color:var(--c-ink-2);padding:22px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:#C3C7D1;}
.crumb a{color:var(--c-ink-2);}
.crumb a:hover{color:var(--c-brand-2);}
.crumb [aria-current]{color:var(--c-ink);font-weight:600;}

/* Hero */
.cat-hero{
  background:
    radial-gradient(900px 380px at 88% -10%,rgba(255,46,126,.12),transparent 70%),
    radial-gradient(700px 320px at 4% 0%,rgba(255,78,51,.10),transparent 70%),
    var(--c-bg-soft);
  padding-bottom:88px;
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding-top:34px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-pill);padding:7px 16px;font-size:13.5px;font-weight:600;color:var(--c-brand-2);
  box-shadow:var(--sh-1);
}
.cat-hero h1{
  font-size:clamp(30px,5vw,48px);font-weight:800;letter-spacing:-.02em;line-height:1.18;margin:20px 0 16px;
}
.cat-hero h1 em{font-style:normal;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{font-size:18px;color:var(--c-ink-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--c-ink-2);
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);padding:7px 15px;
}
.chip .num{color:var(--c-ink);font-size:14px;}
.hero-visual{position:relative;}
.hero-visual img{border-radius:var(--r-lg);box-shadow:0 24px 60px rgba(20,22,28,.14);width:100%;object-fit:cover;aspect-ratio:4/3;}
.float-badge{
  position:absolute;display:inline-flex;flex-direction:column;gap:2px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:12px 16px;box-shadow:var(--sh-1);
}
.float-badge .k{font-size:12px;color:var(--c-ink-2);}
.float-badge .v{font-size:20px;font-family:var(--font-num);font-weight:800;color:var(--c-ink);}
.float-badge .v small{font-size:12px;color:var(--c-ink-2);margin-left:2px;}
.fb-1{left:-18px;top:28px;}
.fb-2{right:-14px;bottom:34px;}
.fb-tag{position:absolute;left:24px;bottom:-14px;background:var(--grad-brand);color:#fff;border-radius:var(--r-pill);padding:8px 18px;font-size:13px;font-weight:700;box-shadow:0 12px 26px rgba(255,46,126,.3);}

/* 数据条 */
.databar{background:var(--c-bg-dark);color:#fff;padding:42px 0;}
.databar-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.databar-item{border-left:2px solid rgba(255,255,255,.12);padding-left:18px;}
.databar-item .v{font-family:var(--font-num);font-size:clamp(26px,3.4vw,38px);font-weight:800;line-height:1;background:linear-gradient(115deg,#FF7A5E,#FF6FA8);-webkit-background-clip:text;background-clip:text;color:transparent;}
.databar-item .v small{font-size:14px;margin-left:4px;color:rgba(255,255,255,.72);-webkit-text-fill-color:rgba(255,255,255,.72);}
.databar-item .k{display:block;margin-top:8px;font-size:14px;color:rgba(255,255,255,.68);}

/* 时间轴步骤流 */
.timeline{position:relative;max-width:960px;margin:0 auto;}
.timeline::before{
  content:"";position:absolute;left:35px;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--c-brand-1),var(--c-brand-2));
  opacity:.85;
}
.tl-item{position:relative;padding-left:104px;margin-bottom:34px;}
.tl-item:last-child{margin-bottom:0;}
.tl-num{
  position:absolute;left:0;top:0;width:72px;height:72px;border-radius:20px;
  background:var(--grad-brand);color:#fff;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:23px;font-weight:800;
  box-shadow:0 12px 28px rgba(255,46,126,.26);
  border:4px solid #fff;
}
.tl-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px 28px;box-shadow:var(--sh-1);transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.tl-card:hover{box-shadow:var(--sh-hover);transform:translateY(-4px);border-color:rgba(255,78,51,.28);}
.tl-card h3{font-size:19px;margin-bottom:8px;}
.tl-card .desc{color:var(--c-ink-2);font-size:15.5px;margin-bottom:14px;}
.tl-points{display:grid;grid-template-columns:1fr 1fr;gap:10px 22px;margin:0;}
.tl-points li{position:relative;padding-left:18px;font-size:15px;color:var(--c-ink);}
.tl-points li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--c-accent);}
.tl-tag{display:inline-block;margin-top:16px;font-size:12.5px;font-weight:700;color:var(--c-brand-2);background:rgba(255,46,126,.10);border-radius:var(--r-pill);padding:5px 14px;}

/* 设备速查 */
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.spec-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);transition:box-shadow var(--ease),transform var(--ease);
}
.spec-card:hover{box-shadow:var(--sh-hover);transform:translateY(-4px);}
.spec-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.spec-body{padding:26px 28px 28px;}
.spec-body h3{font-size:20px;display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.spec-body h3 span.pill{
  font-size:12px;font-weight:700;color:#0C8C7D;background:rgba(0,217,192,.12);
  border-radius:var(--r-pill);padding:4px 12px;font-family:var(--font-cn);
}
.spec-list li{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px dashed var(--c-line);font-size:15px;}
.spec-list li:last-child{border-bottom:0;}
.spec-list .k{color:var(--c-ink-2);}
.spec-list .v{font-family:var(--font-num);font-weight:800;}

/* 核对清单 */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.check-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);transition:box-shadow var(--ease),transform var(--ease);
}
.check-card:hover{box-shadow:var(--sh-hover);transform:translateY(-4px);}
.check-icon{
  width:44px;height:44px;border-radius:14px;background:var(--grad-soft);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-num);
  font-weight:800;color:var(--c-brand-2);margin-bottom:16px;
}
.check-card h3{font-size:17.5px;margin-bottom:8px;}
.check-card p{font-size:15px;color:var(--c-ink-2);margin:0;}
.divider-mini{height:1px;background:var(--c-line);margin:16px 0;}
.check-foot{display:flex;align-items:center;gap:8px;font-size:13px;color:#0C8C7D;}

/* FAQ */
.faq-wrap{max-width:920px;}
.accordion-item{
  border:1px solid var(--c-line);border-radius:16px !important;overflow:hidden;
  margin-bottom:14px;background:#fff;box-shadow:var(--sh-1);
}
.accordion-button{
  font-size:17px;font-weight:700;color:var(--c-ink);background:#fff;
  padding:20px 58px 20px 24px;box-shadow:none !important;position:relative;border:0;
  transition:background var(--ease),color var(--ease);
}
.accordion-button::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:4px;border-radius:4px;
  background:var(--grad-brand);opacity:0;transition:opacity var(--ease);
}
.accordion-button:not(.collapsed){background:var(--c-bg-soft);color:var(--c-brand-2);}
.accordion-button:not(.collapsed)::before{opacity:1;}
.accordion-button::after{
  content:"＋";display:flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:50%;background:var(--grad-soft);color:var(--c-brand-2);
  font-size:15px;font-weight:800;position:absolute;right:22px;top:50%;transform:translateY(-50%);
  background-image:none;transition:transform var(--ease),background var(--ease);
}
.accordion-button:not(.collapsed)::after{content:"－";transform:translateY(-50%) rotate(180deg);}
.accordion-body{padding:6px 26px 24px 24px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}
.accordion-body strong{color:var(--c-ink);}

/* CTA */
.cta-block{
  background:linear-gradient(115deg,rgba(255,78,51,.10),rgba(255,46,126,.10));
  border:1px solid rgba(255,78,51,.20);
  border-radius:var(--r-lg);padding:56px clamp(24px,5vw,64px);text-align:center;
}
.cta-block h2{font-size:clamp(24px,3.4vw,36px);}
.cta-block p{color:var(--c-ink-2);max-width:640px;margin:16px auto 26px;font-size:16px;}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}
.cta-note{margin-top:18px;font-size:13px;color:var(--c-ink-2);}

/* 页脚 */
.site-footer{background:var(--c-bg-dark);color:rgba(255,255,255,.72);position:relative;margin-top:8px;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-brand);}
.footer-inner{padding:68px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:rgba(255,255,255,.55);font-weight:700;margin-bottom:18px;}
.footer-col ul li{margin-bottom:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.78);display:inline-block;transition:transform var(--ease),color var(--ease);}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{width:40px;height:40px;border-radius:12px;}
.footer-brand .brand-text .main{color:#fff;font-size:16px;}
.footer-brand .brand-text .sub{color:rgba(255,255,255,.5);}
.footer-about{font-size:14px;line-height:1.75;color:rgba(255,255,255,.62);margin-bottom:16px;}
.badge-soft{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;border-radius:var(--r-pill);padding:6px 14px;background:rgba(0,217,192,.12);color:#5FE7D8;}
.badge-soft--dark{background:rgba(255,255,255,.08);color:rgba(255,255,255,.8);}
.footer-note{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.58);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* 底部固定转化条 */
.float-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;background:#fff;
  box-shadow:0 -8px 24px rgba(20,22,28,.08);
  transform:translateY(110%);transition:transform var(--ease);
  border-top:1px solid var(--c-line);
}
.float-bar.show{transform:translateY(0);}
.float-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;}
.float-text{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--c-ink);min-width:0;}
.float-text span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.float-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.float-close{
  width:32px;height:32px;border-radius:50%;border:1px solid var(--c-line);background:#fff;
  color:var(--c-ink-2);font-size:17px;line-height:1;cursor:pointer;transition:all var(--ease);
}
.float-close:hover{color:var(--c-brand-2);border-color:rgba(255,46,126,.35);}

/* 响应式 */
@media (max-width:1200px){
  .nav-links{gap:20px;}
  .nav-links a{font-size:14px;}
}
@media (max-width:992px){
  .nav-links,.header-right .status-badge{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{height:70px;}
  .mobile-drawer{inset:70px 0 0 0;}
  .section{padding:72px 0;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual img{aspect-ratio:16/10;}
  .fb-1{left:8px;top:16px;}
  .fb-2{right:8px;bottom:24px;}
  .databar-grid{grid-template-columns:repeat(2,1fr);gap:26px;}
  .spec-grid{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  body{font-size:16px;padding-bottom:86px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .cat-hero{padding-bottom:56px;}
  .cat-hero h1{margin:16px 0 12px;}
  .hero-lead{font-size:16.5px;}
  .hero-actions .btn-brand,.hero-actions .btn-outline-brand{flex:1 1 auto;}
  .timeline::before{left:23px;}
  .tl-item{padding-left:64px;margin-bottom:24px;}
  .tl-num{width:48px;height:48px;border-radius:15px;font-size:16px;border-width:3px;}
  .tl-card{padding:20px 20px 22px;}
  .tl-points{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-inner{padding:52px 0 22px;}
  .cta-block{padding:36px 22px;}
  .float-inner{height:56px;}
  .float-text{font-size:13.5px;}
  .float-text .status-badge{display:none;}
  .topbar{height:36px;font-size:12.5px;}
  .topbar .topbar-pill{display:none;}
  .mobile-drawer{inset:70px 0 0 0;}
}
@media (max-width:520px){
  .brand-text .main{font-size:15.5px;}
  .databar-grid{grid-template-columns:1fr 1fr;gap:20px;}
  .databar-item{padding-left:12px;}
  .databar-item .k{font-size:13px;}
  .hero-facts .chip{font-size:12.5px;padding:6px 12px;}
  .footer-bottom{font-size:12.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --c-brand-1:#FF4E33;
  --c-brand-2:#FF2E7E;
  --c-accent:#00D9C0;
  --c-warn:#FFC93C;
  --c-ink:#14161C;
  --c-ink-2:#5A6070;
  --c-line:#E7E9EE;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F6F7FA;
  --c-bg-dark:#12141A;
  --grad:linear-gradient(115deg,var(--c-brand-1),var(--c-brand-2));
  --grad-soft:linear-gradient(115deg,rgba(255,78,51,.10),rgba(255,46,126,.10));
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh-1:0 8px 24px rgba(20,22,28,.06);
  --sh-2:0 18px 44px rgba(255,78,51,.16);
  --sh-bar:0 -8px 24px rgba(20,22,28,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#FF2E7E;
  --bs-body-color:#14161C;
  --bs-body-font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --bs-link-color:#14161C;
  --bs-link-hover-color:#FF2E7E;
  --bs-border-color:#E7E9EE;
  --bs-border-radius:14px;
  --bs-font-monospace:ui-monospace,SFMono-Regular,Menlo,"DIN Alternate",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:17px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  padding-bottom:76px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-ink);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--c-brand-2);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,46,126,.28);border-radius:8px;}
.container,.container-fluid{max-width:1200px;}
.container{padding-left:clamp(20px,4vw,40px);padding-right:clamp(20px,4vw,40px);}
.num{font-family:var(--bs-font-monospace);font-weight:700;letter-spacing:.01em;}

/* ============ 顶部公告条 ============ */
.announce{background:var(--c-bg-dark);color:rgba(255,255,255,.82);font-size:13px;height:40px;display:flex;align-items:center;}
.announce .container{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;}
.announce-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.badge-live{display:inline-flex;align-items:center;gap:8px;background:var(--grad);color:#fff;border-radius:999px;padding:4px 12px;font-size:12px;font-weight:600;white-space:nowrap;}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 0 rgba(0,217,192,.6);animation:pulse 2.2s infinite;}
.badge-soft .dot-live{flex:0 0 auto;}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(0,217,192,.55);}
  70%{box-shadow:0 0 0 9px rgba(0,217,192,0);}
  100%{box-shadow:0 0 0 0 rgba(0,217,192,0);}
}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:80;}
.nav-wrap{
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 2px 12px rgba(20,22,28,.04);
  transition:box-shadow .3s var(--ease);
}
.site-header.is-scrolled .nav-wrap{box-shadow:0 10px 28px rgba(20,22,28,.10);}
.nav-inner{display:flex;align-items:center;gap:24px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
  box-shadow:0 8px 18px rgba(255,46,126,.26);
}
.brand-mark::after{
  content:"";position:absolute;inset:auto -30% -40% -30%;height:60%;
  background:rgba(255,255,255,.18);transform:rotate(-18deg);
}
.brand-mark svg{width:22px;height:22px;position:relative;z-index:1;}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-text .main{font-size:18px;font-weight:800;letter-spacing:-.02em;}
.brand-text .sub{font-size:12px;color:var(--c-ink-2);letter-spacing:.14em;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;font-size:14.5px;color:var(--c-ink-2);padding:10px 12px;border-radius:10px;
  transition:color .24s var(--ease),background .24s var(--ease);
}
.nav-links a:hover{color:var(--c-ink);background:var(--c-bg-soft);}
.nav-links a.active{color:var(--c-ink);font-weight:700;}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:999px;background:var(--grad);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.badge-soft{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(0,217,192,.12);color:#0A8C7C;border-radius:999px;
  padding:6px 13px;font-size:12.5px;font-weight:600;white-space:nowrap;
}
.badge-soft--dark{background:rgba(255,255,255,.08);color:rgba(255,255,255,.82);}
.btn-brand,.btn-outline-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:15px;border:1px solid transparent;
  cursor:pointer;transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease),color .28s var(--ease);
  white-space:nowrap;
}
.btn-brand{background:var(--grad);color:#fff;box-shadow:0 10px 22px rgba(255,46,126,.24);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,46,126,.3),0 0 0 4px rgba(255,46,126,.18);}
.btn-outline-brand{
  background:#fff;color:var(--c-ink);
  border:1px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.btn-outline-brand:hover{background-image:var(--grad-soft),var(--grad);color:var(--c-ink);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--c-ink);padding-left:4px;padding-right:4px;border-radius:6px;}
.btn-ghost span{border-bottom:2px solid rgba(255,46,126,.35);padding-bottom:2px;transition:border-color .24s var(--ease);}
.btn-ghost:hover span{border-color:var(--c-brand-2);}
.btn-lg{height:52px;padding:0 28px;}
.btn-md{height:44px;padding:0 22px;}
.btn-sm{height:36px;padding:0 18px;font-size:14px;}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:13px;border:1px solid var(--c-line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:6px;
}
.nav-toggle i{display:block;width:20px;height:2.5px;border-radius:999px;background:var(--grad);}
.drawer-cta{display:none;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;background:var(--c-bg-soft);overflow:hidden;
  border-bottom:1px solid var(--c-line);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.14;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(20,22,28,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(20,22,28,.05) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
}
.cat-hero .container{position:relative;z-index:2;padding-top:clamp(56px,7vw,88px);padding-bottom:clamp(48px,6vw,80px);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--c-ink-2);margin-bottom:22px;}
.crumb a{color:var(--c-ink-2);}
.crumb a:hover{color:var(--c-brand-2);}
.crumb .sep{color:#C4C9D4;}
.crumb .now{color:var(--c-ink);font-weight:600;}
.cat-hero h1{font-size:clamp(30px,5vw,50px);font-weight:800;letter-spacing:-.02em;max-width:16em;}
.cat-hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{font-size:18px;color:var(--c-ink-2);margin-top:18px;max-width:36em;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--c-line);
  border-radius:999px;padding:8px 16px;font-size:13.5px;color:var(--c-ink-2);box-shadow:var(--sh-1);
}
.chip strong{font-family:var(--bs-font-monospace);color:var(--c-ink);font-size:15px;}
.chip--accent{background:rgba(0,217,192,.12);border-color:rgba(0,217,192,.3);color:#0A8C7C;}
.chip--accent strong{color:#0A8C7C;}

/* ============ 通用板块 ============ */
.section{padding:clamp(56px,7vw,96px) 0;}
.section--soft{background:var(--c-bg-soft);}
.section--dark{background:var(--c-bg-dark);color:#fff;}
.section-line{height:2px;background:var(--grad);opacity:.9;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:38px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--c-brand-2);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:4px;border-radius:999px;background:var(--grad);}
.section-title{font-size:clamp(24px,3vw,32px);font-weight:700;}
.section-sub{color:var(--c-ink-2);font-size:16px;margin-top:12px;max-width:44em;}
.section--dark .section-sub,.section--dark .eyebrow{color:rgba(255,255,255,.7);}

/* ============ 对比表 ============ */
.table-wrap{
  border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;background:#fff;box-shadow:var(--sh-1);
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table.compare{width:100%;border-collapse:collapse;min-width:760px;font-size:15.5px;}
table.compare caption{text-align:left;padding:20px 24px 0;color:var(--c-ink-2);font-size:14px;}
table.compare thead th{
  background:var(--c-bg-soft);text-align:left;font-size:13.5px;letter-spacing:.06em;
  color:var(--c-ink-2);font-weight:700;padding:16px 22px;border-bottom:1px solid var(--c-line);white-space:nowrap;
}
table.compare tbody td{padding:18px 22px;border-bottom:1px solid var(--c-line);vertical-align:top;color:var(--c-ink-2);line-height:1.7;}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare tbody tr:hover{background:#FCFCFE;}
table.compare td.item{color:var(--c-ink);font-weight:700;white-space:nowrap;}
.tag{
  display:inline-block;border-radius:999px;padding:4px 12px;font-size:12.5px;font-weight:600;
  background:var(--grad-soft);color:#C81E63;white-space:nowrap;
}
.tag--accent{background:rgba(0,217,192,.14);color:#0A8C7C;}
.tag--warn{background:rgba(255,201,60,.28);color:#7A5600;}
.table-note{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}

/* ============ 核对清单 ============ */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.check-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:24px;
  box-shadow:var(--sh-1);transition:transform .28s var(--ease),box-shadow .28s var(--ease);
  display:flex;flex-direction:column;gap:12px;
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.check-top{display:flex;align-items:center;gap:12px;}
.check-dot{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-family:var(--bs-font-monospace);font-size:14px;font-weight:700;flex:0 0 auto;
}
.check-dot--accent{background:linear-gradient(115deg,#00D9C0,#0AA9B8);}
.check-card h3{font-size:17px;}
.check-card p{font-size:14.5px;color:var(--c-ink-2);line-height:1.7;}
.check-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--c-ink-2);}
.check-foot .val{font-family:var(--bs-font-monospace);font-weight:700;color:var(--c-ink);font-size:14px;}
.badge-code{display:inline-flex;align-items:center;gap:6px;font-family:var(--bs-font-monospace);font-size:12px;background:var(--c-bg-soft);border:1px solid var(--c-line);border-radius:999px;padding:3px 10px;color:var(--c-ink-2);}

/* ============ 5:7 双栏 ============ */
.split{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:start;}
.pane{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:30px;
  box-shadow:var(--sh-1);
}
.pane--tall{padding:34px;}
.pane-grad{position:relative;background:linear-gradient(160deg,rgba(255,78,51,.09),rgba(255,46,126,.06));border:1px solid rgba(255,46,126,.18);}
.pane h3{font-size:21px;margin-bottom:12px;}
.pane p{color:var(--c-ink-2);font-size:15.5px;}
.step-list{counter-reset:s;margin-top:22px;display:flex;flex-direction:column;gap:16px;}
.step-list li{position:relative;padding-left:44px;font-size:15px;color:var(--c-ink-2);line-height:1.7;}
.step-list li::before{
  counter-increment:s;content:counter(s,decimal-leading-zero);
  position:absolute;left:0;top:1px;width:30px;height:30px;border-radius:10px;
  background:var(--grad);color:#fff;font-family:var(--bs-font-monospace);font-size:12.5px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.step-list li strong{color:var(--c-ink);display:block;font-size:15.5px;margin-bottom:2px;}
.media-card{border-radius:var(--r-md);overflow:hidden;position:relative;margin-bottom:22px;border:1px solid var(--c-line);}
.media-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.media-card .float-badge{
  position:absolute;right:14px;top:14px;background:#fff;border-radius:999px;padding:6px 14px;
  font-size:12.5px;font-weight:700;box-shadow:var(--sh-1);display:inline-flex;align-items:center;gap:7px;
}
.media-card .float-badge .num{color:var(--c-brand-2);}
.pane-foot{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.bullet-list{display:flex;flex-direction:column;gap:12px;margin-top:20px;}
.bullet-list li{position:relative;padding-left:22px;font-size:15px;color:var(--c-ink-2);}
.bullet-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--c-accent);box-shadow:0 0 0 4px rgba(0,217,192,.14);
}
.bullet-list li strong{color:var(--c-ink);}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.accordion-item{
  border:1px solid var(--c-line);border-radius:16px;background:#fff;overflow:hidden;
  box-shadow:var(--sh-1);transition:box-shadow .28s var(--ease);
}
.accordion-item + .accordion-item{margin-top:0;}
.accordion-item:has(.accordion-button:not(.collapsed)){background:#FCFCFE;box-shadow:0 10px 28px rgba(20,22,28,.08);}
.accordion-button{
  width:100%;border:0;background:transparent;text-align:left;
  padding:20px 22px 20px 26px;font-size:17px;font-weight:700;color:var(--c-ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  position:relative;box-shadow:none !important;
}
.accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:999px;
  background:var(--grad);opacity:0;transition:opacity .24s var(--ease);
}
.accordion-button:not(.collapsed)::before{opacity:1;}
.accordion-button::after{
  content:"+";background-image:none !important;
  width:30px;height:30px;border-radius:50%;background:var(--c-bg-soft);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:600;color:var(--c-brand-2);flex:0 0 auto;
  transform:none;transition:transform .28s var(--ease),background .24s var(--ease);
  position:static;margin:0;
}
.accordion-button:not(.collapsed)::after{content:"–";background:var(--grad-soft);transform:rotate(180deg);}
.accordion-body{padding:0 24px 22px 26px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}
.accordion-button:hover{color:var(--c-brand-2);}

/* ============ 底部 CTA ============ */
.cta-block{
  background:linear-gradient(135deg,rgba(255,78,51,.10),rgba(255,46,126,.10));
  border:1px solid rgba(255,46,126,.18);
  border-radius:var(--r-lg);
  padding:clamp(32px,5vw,56px);
  text-align:center;
}
.cta-block h2{font-size:clamp(24px,3.4vw,34px);font-weight:800;}
.cta-block p{color:var(--c-ink-2);margin-top:16px;font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-bg-dark);color:rgba(255,255,255,.72);margin-top:0;position:relative;}
.site-footer::before{content:"";display:block;height:2px;background:var(--grad);}
.footer-inner{padding:clamp(48px,6vw,72px) 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-text .main{color:#fff;font-size:17px;}
.footer-brand .brand-text .sub{color:rgba(255,255,255,.55);}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin-bottom:18px;}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:rgba(255,255,255,.55);font-weight:700;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:color .24s var(--ease),transform .24s var(--ease);}
.footer-col ul a:hover{color:#fff;transform:translateX(2px);}
.footer-note{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.6);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 底部固定转化条 ============ */
.convert-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;background:#fff;box-shadow:var(--sh-bar);
  transform:translateY(110%);transition:transform .36s var(--ease);
}
.convert-bar.is-visible{transform:translateY(0);}
.convert-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:64px;padding-top:10px;padding-bottom:10px;}
.convert-text{display:flex;align-items:center;gap:12px;font-size:15px;color:var(--c-ink);font-weight:600;}
.convert-actions{display:flex;align-items:center;gap:10px;}
.convert-close{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--c-line);background:#fff;
  color:var(--c-ink-2);font-size:18px;line-height:1;display:flex;align-items:center;justify-content:center;
  transition:background .24s var(--ease),color .24s var(--ease);
}
.convert-close:hover{background:var(--c-bg-soft);color:var(--c-ink);}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .check-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:30px;}
  .footer-col:last-child{grid-column:1/-1;}
}
@media (max-width:991px){
  .nav-links{
    position:fixed;inset:0;background:#fff;flex-direction:column;align-items:stretch;
    padding:96px 24px 120px;margin:0;gap:0;transform:translateX(100%);
    transition:transform .34s var(--ease);z-index:70;overflow-y:auto;
  }
  body.nav-open .nav-links{transform:translateX(0);}
  body.nav-open{overflow:hidden;}
  .nav-links a{font-size:17px;line-height:56px;padding:0;border-bottom:1px solid var(--c-line);border-radius:0;color:var(--c-ink);}
  .nav-links a.active::after{left:0;right:auto;width:34px;bottom:12px;}
  .drawer-cta{display:flex;gap:12px;margin-top:26px;flex-direction:column;}
  .drawer-cta .btn-brand,.drawer-cta .btn-outline-brand{width:100%;}
  .nav-toggle{display:flex;}
  .nav-actions .badge-soft,.nav-actions .btn-brand{display:none;}
  .split{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;}
  .cat-hero h1{max-width:none;}
}
@media (max-width:767px){
  body{font-size:16px;padding-bottom:66px;}
  .check-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .section-head{margin-bottom:26px;}
  .section-sub{font-size:15px;}
  .hero-lead{font-size:16.5px;}
  .hero-cta .btn-brand,.hero-cta .btn-outline-brand{width:100%;}
  .convert-inner{min-height:56px;gap:10px;}
  .convert-text{font-size:13.5px;}
  .convert-text .badge-soft{display:none;}
  .convert-actions .btn-brand{height:40px;padding:0 16px;font-size:14px;}
  .pane{padding:22px;}
  .pane--tall{padding:24px;}
  .accordion-button{font-size:15.5px;padding:16px 16px 16px 20px;}
  .accordion-body{padding:0 18px 18px 20px;}
  .announce{font-size:12px;}
}
@media (max-width:520px){
  .container{padding-left:18px;padding-right:18px;}
  .brand-text .main{font-size:16px;}
  .cat-hero h1{font-size:28px;}
  .chip{font-size:12.5px;padding:7px 13px;}
  .hero-badges{gap:10px;}
  .cta-actions .btn-brand{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category5 */
:root{
  --c-brand-1:#FF4E33;
  --c-brand-2:#FF2E7E;
  --c-accent:#00D9C0;
  --c-warn:#FFC93C;
  --c-ink:#14161C;
  --c-ink-2:#5A6070;
  --c-line:#E7E9EE;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F6F7FA;
  --c-bg-dark:#12141A;
  --grad:linear-gradient(115deg,var(--c-brand-1),var(--c-brand-2));
  --grad-soft:linear-gradient(115deg,rgba(255,78,51,.10),rgba(255,46,126,.10));
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(20,22,28,.06);
  --sh-2:0 18px 44px rgba(255,78,51,.16);
  --sh-bar:0 -8px 24px rgba(20,22,28,.08);
  --ease:.28s cubic-bezier(.2,.7,.3,1);
  --sec-y:88px;
  --bs-primary:#FF2E7E;
  --bs-primary-rgb:255,46,126;
  --bs-body-font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --bs-body-color:#14161C;
  --bs-link-color:#14161C;
  --bs-link-hover-color:#FF2E7E;
  --bs-border-color:#E7E9EE;
  --bs-body-bg:#FFFFFF;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:17px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  padding-bottom:76px;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-ink);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--c-brand-2)}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(255,46,126,.22);border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 clamp(20px,4vw,40px)}
.num{font-family:ui-monospace,"DIN Alternate","SFMono-Regular",Menlo,monospace;font-weight:700;letter-spacing:-.02em}

/* ---------- 顶部公告条 ---------- */
.topbar{background:var(--c-bg-dark);color:rgba(255,255,255,.86);font-size:14px}
.topbar .inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:40px}
.topbar .notice{display:flex;align-items:center;gap:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar .notice b{color:#fff;font-weight:600}
.pill-live{
  display:inline-flex;align-items:center;gap:8px;
  padding:4px 14px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;font-size:12.5px;font-weight:600;
  font-family:ui-monospace,"DIN Alternate",monospace;
}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 0 rgba(0,217,192,.6);animation:pulse 2.2s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(0,217,192,.55)}
  70%{box-shadow:0 0 0 10px rgba(0,217,192,0)}
  100%{box-shadow:0 0 0 0 rgba(0,217,192,0)}
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(20,22,28,.08)}
.header-inner{display:flex;align-items:center;gap:28px;height:76px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:13px;background:var(--grad);
  display:grid;place-items:center;flex-shrink:0;
  box-shadow:0 8px 18px rgba(255,46,126,.24);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text .main{font-size:17px;font-weight:800;letter-spacing:-.02em}
.brand-text .sub{font-size:11.5px;color:var(--c-ink-2);letter-spacing:.08em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-block;padding:8px 12px;
  font-size:14.5px;color:var(--c-ink-2);border-radius:var(--r-pill);
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;border-radius:3px;
  background:var(--grad);transform:scaleX(0);transform-origin:center;transition:transform var(--ease);
}
.nav-links a:hover{color:var(--c-ink);background:var(--c-bg-soft)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--c-ink);font-weight:700}
.nav-links a.active::after{transform:scaleX(1)}
.header-right{display:flex;align-items:center;gap:14px;flex-shrink:0}
.status-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(0,217,192,.12);color:#08907f;
  font-size:13px;font-weight:600;white-space:nowrap;
}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;
  background:#fff;cursor:pointer;padding:0;place-items:center;
}
.nav-toggle span{display:block;width:20px;height:3px;border-radius:3px;background:var(--grad)}
.nav-toggle span+span{margin-top:5px}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-outline-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;font-size:15px;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease);
}
.btn-brand{background:var(--grad);color:#fff;padding:0 24px;height:44px;box-shadow:0 10px 22px rgba(255,46,126,.22)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 0 0 4px rgba(255,46,126,.18),0 14px 28px rgba(255,46,126,.28)}
.btn-brand.lg{height:52px;padding:0 30px;font-size:16px}
.btn-brand.sm{height:36px;padding:0 18px;font-size:14px}
.btn-outline-brand{
  background:#fff;color:var(--c-ink);padding:0 24px;height:44px;
  border:1px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.btn-outline-brand:hover{color:var(--c-brand-2);transform:translateY(-2px);background-image:var(--grad-soft),var(--grad)}
.btn-outline-brand.lg{height:52px;padding:0 30px;font-size:16px}
.btn-ghost{background:transparent;color:var(--c-ink);padding:0;height:auto;border:none}
.btn-ghost i{font-style:normal;border-bottom:2px solid transparent;transition:border-color var(--ease)}
.btn-ghost:hover{color:var(--c-brand-2);transform:none}
.btn-ghost:hover i{border-color:var(--c-brand-2)}

/* ---------- 徽章 / 标签 ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;
  background:rgba(0,217,192,.12);color:#08907f;
}
.badge-soft--dark{background:rgba(255,255,255,.10);color:rgba(255,255,255,.86)}
.badge-cat{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;color:var(--c-brand-2);
  background:var(--grad-soft);
}
.badge-warn{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;background:var(--c-warn);color:var(--c-ink);
}
.badge-num{
  display:inline-flex;align-items:baseline;gap:4px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-bg-soft);border:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-2);
}
.badge-num b{font-size:17px;color:var(--c-ink);font-family:ui-monospace,"DIN Alternate",monospace}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  padding:64px 0 72px;
  background:
    radial-gradient(900px 380px at 88% -10%,rgba(255,46,126,.13),transparent 62%),
    radial-gradient(700px 340px at 4% 0%,rgba(255,78,51,.12),transparent 60%),
    var(--c-bg-soft);
  border-bottom:1px solid var(--c-line);
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(20,22,28,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(20,22,28,.035) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.5),transparent 78%);
}
.cat-hero .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--c-ink-2);margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:var(--c-ink-2)}
.crumb a:hover{color:var(--c-brand-2)}
.crumb .sep{opacity:.5}
.crumb .now{color:var(--c-ink);font-weight:600}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-copy h1{
  font-size:clamp(30px,5vw,52px);font-weight:800;letter-spacing:-.02em;
  margin:14px 0 18px;
}
.hero-copy h1 em{
  font-style:normal;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:17px;color:var(--c-ink-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);border:1px solid var(--c-line);min-height:300px}
.hero-media img{width:100%;height:100%;object-fit:cover;min-height:300px}
.hero-media::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,20,26,.05),rgba(18,20,26,.55));
}
.hero-float{
  position:absolute;left:20px;bottom:20px;right:20px;
  display:flex;flex-wrap:wrap;gap:10px;z-index:3;
}
.hero-float .badge-soft{background:rgba(255,255,255,.92);color:var(--c-ink)}
.hero-float .badge-soft b{font-family:ui-monospace,"DIN Alternate",monospace;color:var(--c-brand-2)}

/* ---------- 区块通用 ---------- */
.section{padding:var(--sec-y) 0}
.section.soft{background:var(--c-bg-soft)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-head .title h2{font-size:clamp(23px,3vw,32px);font-weight:700;margin-bottom:10px}
.sec-head .title p{color:var(--c-ink-2);font-size:15.5px;max-width:620px}
.sec-head .title h2::before{
  content:"";display:block;width:52px;height:5px;border-radius:5px;background:var(--grad);margin-bottom:16px;
}
.sec-head .side{font-size:14.5px}

/* ---------- 数据条 ---------- */
.statbar{background:var(--c-bg-dark);color:#fff;padding:0}
.statbar .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.statbar .cell{padding:38px 26px;border-right:1px solid rgba(255,255,255,.10)}
.statbar .cell:last-child{border-right:none}
.statbar .k{font-size:13px;color:rgba(255,255,255,.62);letter-spacing:.04em;margin-bottom:8px}
.statbar .v{font-size:clamp(24px,3vw,34px);font-family:ui-monospace,"DIN Alternate",monospace;font-weight:800}
.statbar .v span{font-size:14px;font-weight:600;margin-left:4px;color:rgba(255,255,255,.7)}
.statbar .v i{font-style:normal;color:var(--c-accent)}
.statbar .d{font-size:13.5px;color:rgba(255,255,255,.6);margin-top:8px}

/* ---------- 适用范围 7:5 布局 ---------- */
.scope-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start}
.card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,78,51,.28)}
.card-head{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.icon-cap{
  width:44px;height:44px;border-radius:var(--r-sm);background:var(--grad);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px;flex-shrink:0;
}
.card h3{font-size:19px}
.card .desc{color:var(--c-ink-2);font-size:15.5px}
.dot-list{margin-top:18px;display:grid;gap:12px}
.dot-list li{position:relative;padding-left:20px;font-size:15.5px;color:var(--c-ink-2)}
.dot-list li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;background:var(--c-accent);
}
.dot-list li b{color:var(--c-ink);font-weight:600}
.mini-stat{display:grid;gap:14px}
.mini-stat .row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:16px 18px;border-radius:var(--r-md);background:var(--c-bg-soft);border:1px solid var(--c-line);
}
.mini-stat .row .t{font-size:14.5px;color:var(--c-ink-2)}
.mini-stat .row .v{font-family:ui-monospace,"DIN Alternate",monospace;font-weight:800;font-size:18px;color:var(--c-brand-2)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:960px;margin:0 auto}
.faq-list{display:grid;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:16px;overflow:hidden;
  transition:border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:rgba(255,78,51,.3)}
.faq-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(255,46,126,.35);
  background:linear-gradient(90deg,rgba(255,78,51,.05),rgba(255,46,126,.03) 40%,#fff 80%);
  box-shadow:0 10px 28px rgba(255,46,126,.08);
}
.accordion-button.faq-q{
  display:flex;align-items:center;gap:14px;width:100%;
  padding:20px 22px;background:transparent;border:none;box-shadow:none;
  font-size:17px;font-weight:700;color:var(--c-ink);text-align:left;
  transition:color var(--ease),background var(--ease);
}
.accordion-button.faq-q::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:0 4px 4px 0;
  background:var(--grad);opacity:0;transition:opacity var(--ease);
}
.accordion-button.faq-q:not(.collapsed){color:var(--c-brand-2)}
.accordion-button.faq-q:not(.collapsed)::before{opacity:1}
.accordion-button.faq-q:focus{box-shadow:none}
.accordion-button.faq-q:focus-visible{box-shadow:0 0 0 4px rgba(255,46,126,.18);border-radius:14px}
.accordion-button.faq-q .faq-idx{
  font-family:ui-monospace,"DIN Alternate",monospace;font-size:13px;font-weight:700;
  color:var(--c-ink-2);background:var(--c-bg-soft);border:1px solid var(--c-line);
  border-radius:var(--r-pill);padding:3px 11px;flex-shrink:0;
}
.accordion-button.faq-q:not(.collapsed) .faq-idx{color:#fff;background:var(--grad);border-color:transparent}
.accordion-button.faq-q::after{
  content:"＋";margin-left:auto;font-size:19px;font-weight:600;color:var(--c-ink-2);
  background-image:none!important;width:auto;height:auto;line-height:1;
  transform:none;transition:transform var(--ease),color var(--ease);
}
.accordion-button.faq-q:not(.collapsed)::after{content:"－";color:var(--c-brand-2);transform:rotate(180deg)}
.faq-a{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}
.faq-a strong{color:var(--c-ink)}

/* ---------- 双栏核对 ---------- */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.check-card{border-radius:var(--r-lg);padding:28px;border:1px solid var(--c-line);background:#fff;box-shadow:var(--sh-1)}
.check-card.dark{background:var(--c-bg-dark);border-color:rgba(255,255,255,.12);color:#fff;box-shadow:none}
.check-card.dark h3,.check-card.dark .num{color:#fff}
.check-card.dark .check-list li{color:rgba(255,255,255,.74);border-color:rgba(255,255,255,.12)}
.check-card.dark .check-list li b{color:#fff}
.check-card h3{font-size:20px;margin-bottom:6px}
.check-card .sub{font-size:14px;color:var(--c-ink-2);margin-bottom:18px}
.check-card.dark .sub{color:rgba(255,255,255,.6)}
.check-list{display:grid;gap:12px}
.check-list li{
  display:flex;gap:12px;font-size:15.5px;color:var(--c-ink-2);
  padding-bottom:12px;border-bottom:1px dashed var(--c-line);
}
.check-list li:last-child{border-bottom:none;padding-bottom:0}
.check-list li .num{
  flex-shrink:0;width:26px;height:26px;border-radius:9px;background:var(--grad-soft);
  color:var(--c-brand-2);font-size:13px;display:grid;place-items:center;
}

/* ---------- 瀑布卡片 ---------- */
.waterfall{column-count:2;column-gap:24px}
.wf-card{
  break-inside:avoid;margin-bottom:24px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.wf-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,78,51,.28)}
.wf-thumb{position:relative}
.wf-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover}
.wf-thumb .tag{
  position:absolute;left:14px;top:14px;padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);font-size:12.5px;font-weight:700;color:var(--c-brand-2);
}
.wf-body{padding:22px}
.wf-body h3{font-size:18px;margin-bottom:8px}
.wf-body p{font-size:15px;color:var(--c-ink-2)}
.wf-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:16px;padding-top:14px;border-top:1px solid var(--c-line);
  font-size:13.5px;color:var(--c-ink-2);
}
.wf-foot .go{color:var(--c-brand-2);font-weight:700}

/* ---------- 底部 CTA ---------- */
.cta-band{
  border-radius:var(--r-lg);padding:clamp(34px,5vw,60px);text-align:center;
  background:
    radial-gradient(600px 220px at 20% 0%,rgba(255,78,51,.16),transparent 65%),
    radial-gradient(600px 220px at 82% 100%,rgba(255,46,126,.16),transparent 65%),
    var(--c-bg-soft);
  border:1px solid var(--c-line);
}
.cta-band h2{font-size:clamp(22px,3vw,32px);margin-bottom:14px}
.cta-band p{color:var(--c-ink-2);max-width:640px;margin:0 auto 26px;font-size:15.5px}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--c-bg-dark);color:rgba(255,255,255,.72);margin-top:0}
.site-footer::before{content:"";display:block;height:2px;width:100%;background:var(--grad)}
.footer-inner{padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{width:40px;height:40px;border-radius:12px;box-shadow:none}
.footer-brand .brand-text .main{color:#fff;font-size:16px;font-weight:800}
.footer-brand .brand-text .sub{color:rgba(255,255,255,.55);font-size:11.5px;letter-spacing:.08em}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin-bottom:16px}
.footer-col h4{
  font-size:14px;letter-spacing:.06em;color:rgba(255,255,255,.5);font-weight:600;
  margin-bottom:16px;text-transform:uppercase;
}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.74);display:inline-block;transition:transform var(--ease),color var(--ease)}
.footer-col ul a:hover{color:#fff;transform:translateX(-2px)}
.footer-note{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.6)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 底部固定转化条 ---------- */
.fixed-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;height:64px;
  background:#fff;box-shadow:var(--sh-bar);
  display:flex;align-items:center;
  transform:translateY(110%);transition:transform var(--ease);
}
.fixed-bar.show{transform:translateY(0)}
.fixed-bar .inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.fixed-bar .msg{display:flex;align-items:center;gap:12px;font-size:14.5px;color:var(--c-ink-2);min-width:0}
.fixed-bar .msg b{color:var(--c-ink)}
.fixed-bar .acts{display:flex;align-items:center;gap:12px;flex-shrink:0}
.bar-close{
  width:32px;height:32px;border-radius:50%;border:1px solid var(--c-line);background:#fff;
  color:var(--c-ink-2);cursor:pointer;display:grid;place-items:center;font-size:15px;line-height:1;
  transition:background var(--ease),color var(--ease);
}
.bar-close:hover{background:var(--c-bg-soft);color:var(--c-ink)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991px){
  :root{--sec-y:64px}
  .cat-hero{padding:48px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-media{min-height:240px;order:2}
  .hero-media img{min-height:240px}
  .scope-grid{grid-template-columns:1fr}
  .statbar .grid{grid-template-columns:1fr 1fr}
  .statbar .cell{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);padding:28px 20px}
  .statbar .cell:nth-child(2n){border-right:none}
  .nav-links{display:none}
  .nav-toggle{display:grid}
  .header-right .status-chip{display:none}
  .check-grid{grid-template-columns:1fr}
}
@media (max-width:767px){
  body{padding-bottom:64px;font-size:16px}
  .header-inner{height:64px}
  .brand-text .main{font-size:15.5px}
  .topbar .inner{height:auto;padding:8px 0;font-size:13px}
  .topbar .notice{white-space:normal}
  .section{padding:56px 0}
  .waterfall{column-count:1}
  .card{padding:22px;border-radius:var(--r-md)}
  .sec-head{margin-bottom:26px}
  .fixed-bar{height:56px}
  .fixed-bar .msg b{display:none}
  .fixed-bar .msg{font-size:13.5px}
  .btn-brand.lg,.btn-outline-brand.lg{height:48px;padding:0 22px;font-size:15px;width:100%}
  .hero-actions .btn-brand.lg,.hero-actions .btn-outline-brand.lg{width:auto;flex:1 1 auto}
  .footer-inner{padding:48px 0 22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
}
@media (max-width:520px){
  .hero-facts{gap:8px}
  .badge-soft,.badge-cat{font-size:12px}
  .wf-thumb img{aspect-ratio:16/11}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .card:hover,.wf-card:hover{transform:none}
}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:1050;background:#fff;
  display:flex;flex-direction:column;padding:20px clamp(20px,5vw,32px) 0;
  transform:translateY(-102%);transition:transform .32s cubic-bezier(.2,.7,.3,1);
}
.mobile-drawer.open{transform:translateY(0)}
.mobile-drawer .d-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.d-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);background:#fff;font-size:19px;color:var(--c-ink-2);cursor:pointer}
.mobile-drawer nav{display:flex;flex-direction:column;overflow-y:auto;flex:1}
.mobile-drawer nav a{
  display:flex;align-items:center;height:56px;font-size:17px;font-weight:600;
  border-bottom:1px solid var(--c-line);color:var(--c-ink);
}
.mobile-drawer nav a.active{color:var(--c-brand-2)}
.mobile-drawer .d-foot{padding:18px 0 26px}
.mobile-drawer .d-foot .btn-brand{width:100%}