/* roulang page: index */
:root{
  --brand:#FF4D2E;
  --brand-2:#FFB020;
  --brand-grad:linear-gradient(135deg,#FF4D2E 0%,#FFB020 100%);
  --mint:#17C9A8;
  --warn:#FFC53D;
  --danger:#F0424E;
  --bg:#F4F6F9;
  --card:#FFFFFF;
  --ink:#14181F;
  --ink-2:#5A6270;
  --ink-3:#9AA1AC;
  --line:#E7EAF0;
  --dark:#10131A;
  --dark-2:#1B2130;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(16,24,40,.06);
  --sh-hover:0 14px 32px rgba(255,77,46,.18);
  --ease:200ms ease-out;
  --nav-h:112px;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-style:normal}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-tight{padding:56px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.sec-head h2{font-size:clamp(22px,3.6vw,32px);font-weight:700;letter-spacing:-.01em}
.sec-head p{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:620px}
.sec-more{font-size:14px;font-weight:600;color:var(--brand);white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.sec-more::after{content:"→";transition:transform var(--ease)}
.sec-more:hover::after{transform:translateX(4px)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);background:rgba(255,77,46,.08);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(16,24,40,.08);background:rgba(255,255,255,.97)}
.nav-top{display:flex;align-items:center;gap:24px;height:64px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--brand-grad);display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px;letter-spacing:-.5px;box-shadow:0 6px 14px rgba(255,77,46,.3)}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.logo-text span{color:var(--brand)}
.nav-search{position:relative;flex:1;max-width:360px}
.nav-search input{
  width:100%;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#F7F9FC;
  padding:0 44px 0 18px;font-size:14px;transition:border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(255,77,46,.12)}
.nav-search .s-icon{position:absolute;right:16px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--ink-3);pointer-events:none}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-top .search-toggle{display:none}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),filter var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 8px 18px rgba(255,77,46,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-ghost:hover{background:rgba(255,77,46,.08)}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.18)}
.btn-outline-light{border-color:rgba(255,255,255,.5);color:#fff;background:transparent}
.btn-outline-light:hover{background:rgba(255,255,255,.14)}
.btn-lg{height:50px;padding:0 30px;font-size:15px}

/* Tabs */
.nav-tabs-wrap{position:relative;border-top:1px solid var(--line)}
.nav-tabs{display:flex;gap:8px;height:48px;align-items:center;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.nav-tabs::-webkit-scrollbar{display:none}
.nav-tabs a{
  flex:0 0 auto;display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);font-size:14px;font-weight:600;color:var(--ink-2);
  transition:background var(--ease),color var(--ease);
}
.nav-tabs a:hover{background:#F1F4F9;color:var(--ink)}
.nav-tabs a.active{background:var(--brand-grad);color:#fff;box-shadow:0 6px 14px rgba(255,77,46,.25)}
.nav-fade{position:absolute;top:0;bottom:0;width:40px;pointer-events:none;z-index:2}
.nav-fade.left{left:0;background:linear-gradient(90deg,#fff,rgba(255,255,255,0))}
.nav-fade.right{right:0;background:linear-gradient(270deg,#fff,rgba(255,255,255,0))}
.mobile-search{display:none}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(120deg,#10131A 0%,#1B2130 60%,#22182A 100%);
}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:.32}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(600px 320px at 12% 18%,rgba(255,77,46,.35),transparent 70%),radial-gradient(520px 300px at 88% 82%,rgba(23,201,168,.24),transparent 72%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;min-height:580px;padding:64px 0}
.hero-badge{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);font-size:13px;font-weight:600;color:rgba(255,255,255,.9)}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--mint);display:block;box-shadow:0 0 0 4px rgba(23,201,168,.2)}
.hero h1{
  font-size:clamp(28px,5.2vw,44px);font-weight:800;line-height:1.2;letter-spacing:-.02em;
  margin:20px 0 18px;color:#fff;
}
.hero h1 em{font-style:normal;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:16px;line-height:1.85;color:rgba(255,255,255,.76);max-width:540px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px}
.stat-chip{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);font-size:12px;color:rgba(255,255,255,.72);
}
.stat-chip b{font-size:15px;font-weight:700;color:#fff}
.stat-chip.mint b{color:var(--mint)}
.stat-chip.warn b{color:var(--warn)}

/* Phone mock */
.phone-wrap{position:relative;display:flex;justify-content:center}
.phone-card{
  position:relative;width:100%;max-width:360px;border-radius:28px;overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  background:linear-gradient(160deg,rgba(255,255,255,.12),rgba(255,255,255,.03));
  padding:14px;box-shadow:0 30px 60px rgba(0,0,0,.45);
}
.phone-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:18px;background:linear-gradient(135deg,#FF4D2E,#FFB020)}
.phone-bar{display:flex;gap:6px;padding:4px 4px 12px}
.phone-bar span{height:6px;border-radius:99px;background:rgba(255,255,255,.28);flex:1}
.phone-bar span:first-child{background:var(--brand);flex:0 0 34px}
.phone-rows{display:grid;gap:8px;padding:12px 4px 4px}
.phone-row{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.08);border-radius:12px;padding:10px 12px}
.phone-row i{width:26px;height:26px;border-radius:8px;background:var(--brand-grad);display:block;flex:0 0 auto}
.phone-row i.m{background:linear-gradient(135deg,#17C9A8,#4FE0C4)}
.phone-row i.y{background:linear-gradient(135deg,#FFC53D,#FFB020)}
.phone-row span{height:8px;border-radius:99px;background:rgba(255,255,255,.22);flex:1}
.phone-row span.short{flex:0 0 40%}
.bubble{
  position:absolute;background:#fff;color:var(--ink);border-radius:14px;padding:10px 14px;
  box-shadow:0 14px 30px rgba(0,0,0,.28);font-size:12px;line-height:1.4;font-weight:600;
}
.bubble b{display:block;font-size:16px;font-weight:800;color:var(--brand)}
.bubble.b1{top:64px;left:-16px}
.bubble.b2{bottom:56px;right:-14px}
.bubble.b2 b{color:var(--mint)}

/* ============ Feature grid 一大两小 ============ */
.feature-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:24px}
.card{
  background:var(--card);border-radius:var(--r-lg);border:1px solid var(--line);
  box-shadow:var(--sh);overflow:hidden;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,77,46,.25)}
.media{position:relative;overflow:hidden;background:linear-gradient(135deg,#FF4D2E,#FFB020)}
.media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out;display:block}
.card:hover .media img{transform:scale(1.04)}
.media-16x9{aspect-ratio:16/9}
.feature-main .media-16x9{aspect-ratio:21/9}
.feature-body{padding:24px}
.feature-body h3{font-size:19px;font-weight:600;margin-bottom:10px;transition:color var(--ease)}
.card:hover .feature-body h3{color:var(--brand)}
.feature-body p{color:var(--ink-2);font-size:15px;line-height:1.8}
.steps-inline{display:grid;gap:10px;margin-top:18px}
.steps-inline li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink-2)}
.steps-inline b{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:rgba(255,77,46,.1);color:var(--brand);
  font-size:12px;font-weight:700;display:grid;place-items:center;margin-top:3px;
}
.feature-side{display:grid;gap:24px}
.mini-card{padding:22px;display:flex;gap:16px;align-items:flex-start}
.mini-icon{
  flex:0 0 auto;width:44px;height:44px;border-radius:14px;background:rgba(255,77,46,.1);
  display:grid;place-items:center;color:var(--brand);
}
.mini-icon.mint{background:rgba(23,201,168,.12);color:#0FA88C}
.mini-icon svg{width:22px;height:22px}
.mini-card h3{font-size:17px;font-weight:600;margin-bottom:6px}
.mini-card p{font-size:14px;color:var(--ink-2);line-height:1.75}

/* ============ Rewards ============ */
.reward-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.reward-card{padding:22px;position:relative;display:flex;flex-direction:column;gap:12px}
.reward-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.reward-icon{width:40px;height:40px;border-radius:12px;background:var(--brand-grad);display:grid;place-items:center;color:#fff}
.reward-icon svg{width:20px;height:20px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:rgba(23,201,168,.12);color:#0FA88C;
}
.tag.yellow{background:rgba(255,197,61,.18);color:#B77A00}
.tag.gray{background:#F1F4F9;color:var(--ink-2)}
.reward-card h3{font-size:17px;font-weight:600}
.reward-card p{font-size:14px;color:var(--ink-2);line-height:1.75;flex:1}
.reward-link{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.reward-link::after{content:"→";transition:transform var(--ease)}
.reward-card:hover .reward-link::after{transform:translateX(4px)}

/* ============ Progress steps ============ */
.progress-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);padding:32px;
}
.progress-head{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;margin-bottom:22px}
.progress-head h2{font-size:22px;font-weight:700}
.progress-head .val{font-size:28px;font-weight:800;color:var(--brand)}
.bar{height:12px;border-radius:99px;background:#EEF1F6;overflow:hidden;position:relative}
.bar-fill{height:100%;width:62%;border-radius:99px;background:var(--brand-grad);position:relative;overflow:hidden}
.bar-fill::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.55),transparent);
  animation:shine 1.6s linear infinite;
}
@keyframes shine{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}
.step{position:relative;display:flex;gap:14px;align-items:flex-start}
.step-dot{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;
  font-size:14px;font-weight:700;border:2px solid var(--line);color:var(--ink-3);background:#fff;position:relative;z-index:2;
}
.step.done .step-dot{background:var(--mint);border-color:var(--mint);color:#fff}
.step.current .step-dot{background:var(--brand-grad);border-color:transparent;color:#fff;box-shadow:0 6px 14px rgba(255,77,46,.3)}
.step h3{font-size:15px;font-weight:600;margin-bottom:4px}
.step p{font-size:13px;color:var(--ink-2);line-height:1.7}
.step::before{content:"";position:absolute;left:32px;top:16px;right:-16px;height:2px;background:var(--line);z-index:0}
.step:last-child::before{display:none}
.step.done::before{background:rgba(23,201,168,.4)}

/* ============ Categories ============ */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat-card{display:flex;flex-direction:column}
.cat-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.cat-body h3{font-size:17px;font-weight:600;transition:color var(--ease)}
.cat-card:hover .cat-body h3{color:var(--brand)}
.cat-body p{font-size:14px;color:var(--ink-2);line-height:1.75;flex:1}
.cat-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3)}

/* ============ News list ============ */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.news-card{
  display:grid;grid-template-columns:200px 1fr;gap:18px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px;box-shadow:var(--sh);position:relative;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,77,46,.25)}
.news-media{border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/9;background:linear-gradient(135deg,#FF4D2E,#FFB020)}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out}
.news-card:hover .news-media img{transform:scale(1.04)}
.news-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.news-title{
  font-size:16px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--ease);
}
.news-card:hover .news-title{color:var(--brand)}
.news-sum{
  font-size:13px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:auto;font-size:13px;color:var(--ink-3)}
.pill{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:rgba(255,77,46,.1);color:var(--brand)}
.news-arrow{margin-left:auto;color:var(--brand);font-weight:700;transition:transform var(--ease)}
.news-card:hover .news-arrow{transform:translateX(4px)}
.empty{
  grid-column:1/-1;text-align:center;padding:48px 24px;background:var(--card);
  border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty svg{width:64px;height:64px;color:var(--ink-3);margin:0 auto 14px}
.empty p{font-size:14px;color:var(--ink-2)}
.skeleton{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:20px}
.sk-line{height:96px;border-radius:var(--r-lg);background:linear-gradient(90deg,#EEF1F6 25%,#F7F9FC 50%,#EEF1F6 75%);background-size:200% 100%;animation:sk 1.4s linear infinite}
@keyframes sk{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:0 20px;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-left:3px solid var(--brand);box-shadow:var(--sh)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 0;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;background:#F1F4F9;color:var(--brand);
  font-size:16px;font-weight:700;transition:transform var(--ease),background var(--ease);
}
.faq-item[open] summary{color:var(--brand)}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);background:rgba(255,77,46,.12)}
.faq-item .answer{padding:0 0 20px;font-size:15px;color:var(--ink-2);line-height:1.85}

/* ============ CTA band ============ */
.cta-band{
  max-width:1080px;margin:0 auto;border-radius:24px;position:relative;overflow:hidden;
  background:linear-gradient(120deg,#10131A 0%,#1B2130 55%,#2A1A22 100%);
  color:#fff;padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(420px 240px at 88% 20%,rgba(255,77,46,.4),transparent 70%);
}
.cta-band-inner{position:relative;z-index:2}
.cta-band h2{font-size:clamp(22px,3.2vw,30px);font-weight:800;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;max-width:560px}
.cta-band .btn{position:relative;z-index:2;flex-shrink:0}

/* ============ Footer ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:88px;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .logo-text{color:#fff;font-size:18px}
.footer-brand .logo-text span{color:var(--brand-2)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:320px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.64);transition:color var(--ease)}
.footer-col a:hover{color:var(--brand-2)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding-top:24px;font-size:13px;color:rgba(255,255,255,.48)}
.to-top{
  position:fixed;right:22px;bottom:88px;width:48px;height:48px;border-radius:50%;
  background:var(--brand-grad);color:#fff;border:none;cursor:pointer;display:grid;place-items:center;
  box-shadow:0 12px 26px rgba(255,77,46,.35);opacity:0;visibility:hidden;
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);z-index:80;
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-3px)}
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;height:56px;z-index:85;
  background:var(--brand-grad);color:#fff;display:none;align-items:center;justify-content:center;
  font-size:15px;font-weight:600;box-shadow:0 -8px 24px rgba(16,24,40,.16);
  transform:translateY(100%);transition:transform var(--ease);
}
.mobile-cta.show{transform:translateY(0)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ============ Responsive ============ */
@media (max-width:1024px){
  .section{padding:64px 0}
  .hero-inner{grid-template-columns:1fr;min-height:auto;padding:48px 0 56px;gap:36px}
  .hero .lead{max-width:none}
  .phone-wrap{justify-content:flex-start}
  .feature-grid{grid-template-columns:1fr}
  .reward-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band{padding:44px 36px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .nav-top{height:56px;gap:12px}
  .nav-search{display:none}
  .nav-actions .btn-ghost{display:none}
  .nav-top .search-toggle{
    display:grid;place-items:center;width:40px;height:40px;border-radius:50%;
    border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--ink-2);
  }
  .nav-top .search-toggle svg{width:18px;height:18px}
  .mobile-search{display:none;padding-bottom:12px}
  .mobile-search.open{display:block}
  .mobile-search input{width:100%;height:42px;border-radius:var(--r-pill);border:1px solid var(--line);background:#F7F9FC;padding:0 18px;font-size:14px}
  .mobile-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,77,46,.12)}
  .nav-tabs{height:46px}
  .hero-stats{gap:8px}
  .stat-chip{height:30px;padding:0 11px}
  .bubble.b1{left:0;top:34px}
  .bubble.b2{right:0;bottom:34px}
  .phone-card{max-width:300px}
  .reward-grid{display:flex;overflow-x:auto;gap:14px;padding-bottom:8px;scrollbar-width:none}
  .reward-grid::-webkit-scrollbar{display:none}
  .reward-card{flex:0 0 78%;}
  .cat-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .news-card{grid-template-columns:1fr;gap:12px}
  .news-media{aspect-ratio:16/9}
  .faq-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:20px}
  .step::before{left:16px;top:34px;right:auto;bottom:-20px;width:2px;height:auto}
  .progress-panel{padding:22px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 24px;border-radius:20px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:48px 0 24px;margin-top:64px}
  .mobile-cta{display:flex}
  .to-top{bottom:76px;right:16px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:520px){
  .hero h1{font-size:26px}
  .reward-card{flex:0 0 86%}
  .logo-text{font-size:15px}
  .logo-mark{width:30px;height:30px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* roulang page: article */
:root{
  --brand:#FF4D2E;
  --brand-2:#FFB020;
  --brand-grad:linear-gradient(135deg,#FF4D2E 0%,#FFB020 100%);
  --teal:#17C9A8;
  --yellow:#FFC53D;
  --bg:#F4F6F9;
  --card:#FFFFFF;
  --dark:#10131A;
  --dark-2:#1B2130;
  --text:#14181F;
  --muted:#5A6270;
  --weak:#9AA1AC;
  --line:#E7EAF0;
  --err:#F0424E;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(16,24,40,.06);
  --sh-2:0 14px 32px rgba(255,77,46,.18);
  --container:1200px;
  --gap:24px;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

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

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-top{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:36px;height:36px;border-radius:11px;
  background:var(--brand-grad);color:#fff;
  display:grid;place-items:center;
  font-weight:800;font-size:14px;letter-spacing:.5px;
  box-shadow:var(--sh-2);
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.02em;line-height:1.1;color:var(--text);display:flex;flex-direction:column}
.logo-text>span{font-size:11px;font-weight:600;color:var(--weak);letter-spacing:.06em}
.nav-search{
  flex:1;max-width:360px;margin:0 auto;position:relative;
}
.nav-search input{
  width:100%;height:42px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#F7F9FC;
  padding:0 44px 0 18px;font-size:14px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.nav-search input::placeholder{color:var(--weak)}
.nav-search input:focus{
  background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(255,77,46,.12);outline:none;
}
.nav-search .s-icon{
  position:absolute;right:16px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;color:var(--weak);pointer-events:none;
}
.search-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--line);place-items:center;color:var(--muted);
}
.search-toggle svg{width:20px;height:20px}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}
.mobile-search{display:none;padding:0 0 12px}
.mobile-search input{
  width:100%;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#F7F9FC;padding:0 18px;font-size:14px;
}
.mobile-search input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,77,46,.12);outline:none;background:#fff}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:42px;padding:0 20px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;white-space:nowrap;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out;
}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 6px 18px rgba(255,77,46,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{border:1px solid var(--brand);color:var(--brand);background:transparent}
.btn-ghost:hover{background:rgba(255,77,46,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-solid-dark{background:var(--dark);color:#fff}
.btn-solid-dark:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(16,19,26,.28)}
.btn-lg{height:50px;padding:0 28px;font-size:15px}

/* ============ NAV TABS ============ */
.nav-tabs-wrap{
  position:relative;
  border-top:1px solid var(--line);
  background:rgba(255,255,255,.96);
  transition:padding .2s ease-out;
}
.nav-tabs{
  display:flex;gap:8px;align-items:center;
  overflow-x:auto;scrollbar-width:none;
  padding:10px 0;
  scroll-behavior:smooth;
}
.nav-tabs::-webkit-scrollbar{display:none}
.nav-tabs a{
  flex:none;padding:8px 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--muted);
  transition:background-color .2s ease-out,color .2s ease-out;
  min-height:36px;display:inline-flex;align-items:center;
}
.nav-tabs a:hover{background:#F1F4F9;color:var(--text)}
.nav-tabs a.active{background:var(--brand-grad);color:#fff;box-shadow:0 6px 16px rgba(255,77,46,.24)}
.nav-fade{position:absolute;top:0;bottom:0;width:36px;pointer-events:none;z-index:2;display:none}
.nav-fade.left{left:0;background:linear-gradient(90deg,#fff,rgba(255,255,255,0))}
.nav-fade.right{right:0;background:linear-gradient(270deg,#fff,rgba(255,255,255,0))}
.site-header.is-compact .nav-top{height:56px}

/* ============ BREADCRUMB ============ */
.crumb-bar{padding:20px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--weak)}
.crumb a{color:var(--muted);transition:color .2s ease-out}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C9CFD8}
.crumb .now{color:var(--text);font-weight:600;max-width:min(560px,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ ARTICLE HEAD ============ */
.article-hero{padding:24px 0 8px}
.article-head{max-width:900px}
.cat-pill{
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,77,46,.1);color:var(--brand);
  font-size:13px;font-weight:700;
}
.article-head h1{
  margin-top:16px;
  font-size:clamp(28px,5.2vw,44px);
  font-weight:800;line-height:1.22;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:20px;padding-bottom:22px;
  border-bottom:1px solid var(--line);
  font-size:13px;color:var(--weak);
}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item svg{width:15px;height:15px;color:var(--brand)}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#D8DDE4}

/* ============ ARTICLE BODY ============ */
.article-wrap{padding:36px 0 0}
.article-body{
  max-width:760px;margin:0 auto;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);
  padding:40px 44px;
}
.article-content{font-size:16px;line-height:1.85;color:#242A33}
.article-content>*+*{margin-top:1.2em}
.article-content p{color:#2C333D}
.article-content h2{
  position:relative;
  font-size:clamp(20px,3.2vw,26px);
  font-weight:700;color:var(--text);
  padding-left:16px;margin-top:2em;
  line-height:1.4;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;
  background:var(--brand-grad);
}
.article-content h3{font-size:19px;font-weight:700;color:var(--brand);margin-top:1.6em}
.article-content h4{font-size:17px;font-weight:700;color:var(--text);margin-top:1.4em}
.article-content a{color:var(--brand);font-weight:600;border-bottom:1px solid rgba(255,77,46,.35)}
.article-content a:hover{border-bottom-color:var(--brand)}
.article-content ul,.article-content ol{padding-left:1.3em}
.article-content ul li{list-style:disc;margin:.5em 0}
.article-content ol li{list-style:decimal;margin:.5em 0}
.article-content li::marker{color:var(--brand)}
.article-content blockquote{
  border-left:4px solid var(--brand);
  background:#FFF7F4;
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  padding:16px 20px;color:var(--muted);font-size:15px;
}
.article-content img{border-radius:16px;margin:1.4em auto;box-shadow:var(--sh-1)}
.article-content figcaption,.article-content .caption{
  font-size:13px;color:var(--weak);text-align:center;margin-top:10px;
}
.article-content table{
  font-size:14px;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;
}
.article-content th,.article-content td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-content thead th{background:#F7F9FC;font-weight:700;color:var(--text)}
.article-content tbody tr:nth-child(even){background:#FAFBFD}
.article-content tbody tr:last-child td{border-bottom:0}
.article-content code{
  background:#F1F4F9;border-radius:6px;padding:2px 6px;font-size:14px;color:#C0341B;
}
.article-content strong{color:var(--text);font-weight:700}
.article-content hr{border:0;border-top:1px dashed var(--line);margin:2em 0}

.empty-state{
  text-align:center;padding:64px 24px;
  background:#FAFBFD;border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state svg{width:64px;height:64px;color:#C9CFD8;margin:0 auto 18px}
.empty-state h3{font-size:19px;font-weight:700;color:var(--text)}
.empty-state p{margin-top:10px;color:var(--muted);font-size:14px}
.empty-state .btn{margin-top:22px}

/* ============ TAG ROW ============ */
.tag-block{
  max-width:760px;margin:28px auto 0;
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
}
.tag-block .label{font-size:13px;color:var(--weak);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  font-size:13px;color:var(--muted);font-weight:600;
  transition:color .2s ease-out,border-color .2s ease-out,background-color .2s ease-out,transform .2s ease-out;
}
.tag:hover{color:var(--brand);border-color:rgba(255,77,46,.4);background:#FFF7F4;transform:translateY(-2px)}

/* ============ PAGE NAV (prev / next) ============ */
.pager{
  max-width:760px;margin:24px auto 0;
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
.pager-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.pager-card:hover{transform:translateY(-4px);box-shadow:var(--sh-1);border-color:rgba(255,77,46,.35)}
.pager-card .k{font-size:12px;color:var(--weak);letter-spacing:.04em}
.pager-card .t{margin-top:8px;font-size:15px;font-weight:700;color:var(--text);line-height:1.5}
.pager-card.next{text-align:right}
.pager-card:hover .t{color:var(--brand)}

/* ============ SECTIONS ============ */
.section{padding:72px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px}
.section-head h2{font-size:clamp(22px,3.6vw,32px);font-weight:700}
.section-head p{margin-top:8px;font-size:14px;color:var(--muted);max-width:640px}
.more-link{font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px;flex:none}
.more-link svg{width:16px;height:16px;transition:transform .2s ease-out}
.more-link:hover svg{transform:translateX(4px)}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.rec-card{
  position:relative;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.rec-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#FF4D2E,#FFB020)}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out}
.rec-card:hover .rec-thumb img{transform:scale(1.04)}
.rec-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-body h3{font-size:17px;font-weight:600;line-height:1.5;transition:color .2s ease-out}
.rec-card:hover .rec-body h3{color:var(--brand)}
.rec-body .desc{font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:13px;color:var(--weak)}
.mini-pill{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-pill);background:rgba(23,201,168,.12);color:#0E9C83;font-size:12px;font-weight:700}
.rec-card .cover-link{position:absolute;inset:0;z-index:3}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item[open]{border-left:3px solid var(--brand);box-shadow:var(--sh-1)}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 20px;font-size:15px;font-weight:600;color:var(--text);cursor:pointer;
  transition:color .2s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item[open] summary{color:var(--brand)}
.faq-ico{
  flex:none;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;background:#F1F4F9;color:var(--muted);
  font-size:16px;font-weight:700;transition:transform .25s ease-out,background-color .2s ease-out,color .2s ease-out;
}
.faq-item[open] .faq-ico{transform:rotate(180deg);background:var(--brand);color:#fff}
.faq-answer{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--muted)}

/* ============ CTA ============ */
.cta-band{padding:72px 0 0}
.cta-box{
  position:relative;overflow:hidden;
  max-width:1080px;margin:0 auto;
  border-radius:24px;
  background:linear-gradient(135deg,#10131A 0%,#1B2130 100%);
  padding:52px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  border:1px solid rgba(255,255,255,.08);
}
.cta-box::after{
  content:"";position:absolute;right:-60px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,46,.42),rgba(255,77,46,0) 68%);
}
.cta-copy{position:relative;z-index:2;max-width:620px}
.cta-copy h2{color:#fff;font-size:clamp(22px,3.4vw,30px);font-weight:800}
.cta-copy p{margin-top:12px;color:rgba(255,255,255,.72);font-size:15px}
.cta-box .btn{position:relative;z-index:2;flex:none}

/* ============ FOOTER ============ */
.site-footer{margin-top:88px;background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand .logo-mark{box-shadow:none}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text>span{color:rgba(255,255,255,.55)}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.8;max-width:360px;color:rgba(255,255,255,.62)}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col li+li{margin-top:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.64);transition:color .2s ease-out}
.footer-col a:hover{color:var(--brand-2)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ BACK TO TOP ============ */
.to-top{
  position:fixed;right:20px;bottom:24px;z-index:70;
  width:48px;height:48px;border-radius:50%;
  background:var(--brand-grad);color:#fff;
  display:grid;place-items:center;
  box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease-out,transform .25s ease-out,visibility .25s;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top svg{width:20px;height:20px}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .cta-box{padding:44px 36px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .nav-search{display:none}
  .search-toggle{display:grid;margin-left:auto}
  .nav-actions{display:none}
  .mobile-search.show{display:block}
  .nav-fade{display:block}
  .article-body{padding:26px 20px;border-radius:var(--r-md)}
  .crumb .now{max-width:56vw}
  .faq-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .pager{grid-template-columns:1fr}
  .pager-card.next{text-align:left}
  .section{padding:48px 0 0}
  .cta-band{padding:48px 0 0}
  .cta-box{flex-direction:column;align-items:flex-start;padding:34px 24px;border-radius:20px}
  .cta-box .btn{width:100%}
  .cta-copy h2{font-size:22px}
  .site-footer{margin-top:56px;padding:44px 0 24px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .logo-text{font-size:15px}
  .logo-mark{width:32px;height:32px;font-size:13px}
  .nav-top{height:56px;gap:12px}
  .article-content{font-size:16px}
  .article-content table{font-size:13px}
  .article-content th,.article-content td{padding:10px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* roulang page: category1 */
:root{
  --brand:#FF4D2E;
  --brand-2:#FFB020;
  --brand-grad:linear-gradient(135deg,#FF4D2E 0%,#FFB020 100%);
  --cyan:#17C9A8;
  --yellow:#FFC53D;
  --bg:#F4F6F9;
  --card:#FFFFFF;
  --ink:#14181F;
  --ink-2:#5A6270;
  --ink-3:#9AA1AC;
  --line:#E7EAF0;
  --dark-1:#10131A;
  --dark-2:#1B2130;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(16,24,40,.06);
  --sh-hover:0 14px 32px rgba(255,77,46,.18);
  --container:1200px;
  --sp-section:88px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
h1,h2,h3,h4{line-height:1.3;font-weight:700;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(16,24,40,.08);}
.nav-top{
  display:flex;
  align-items:center;
  gap:16px;
  height:64px;
  transition:height .2s ease-out;
}
.site-header.is-scrolled .nav-top{height:56px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:36px;height:36px;border-radius:var(--r-sm);
  background:var(--brand-grad);color:#fff;
  display:grid;place-items:center;
  font-size:13px;font-weight:800;letter-spacing:.4px;
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap;}
.logo-text span{color:var(--brand);}
.nav-search{
  position:relative;
  flex:1 1 auto;
  max-width:360px;
  margin:0 auto;
}
.nav-search input{
  width:100%;height:42px;
  padding:0 44px 0 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#F7F9FC;
  font-size:14px;
  transition:border-color .2s,background .2s,box-shadow .2s;
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search input:focus{
  outline:none;background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(255,77,46,.12);
}
.nav-search .s-icon{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;color:var(--ink-3);pointer-events:none;
}
.search-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);color:var(--ink-2);
  place-items:center;
}
.search-toggle svg{width:20px;height:20px;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-actions .btn{height:40px;padding:0 18px;}
.mobile-search{display:none;padding:0 0 12px;}
.mobile-search input{
  width:100%;height:44px;padding:0 16px;border-radius:var(--r-md);
  border:1px solid var(--line);background:#F7F9FC;font-size:15px;
}
.mobile-search.open{display:block;}
.nav-tabs-wrap{position:relative;border-top:1px solid var(--line);}
.nav-tabs{
  display:flex;gap:8px;overflow-x:auto;padding:9px 0;
  scrollbar-width:none;-ms-overflow-style:none;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.nav-tabs a{
  flex:0 0 auto;display:inline-flex;align-items:center;height:38px;
  padding:0 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:background .2s,color .2s,box-shadow .2s;
}
.nav-tabs a:hover{background:#F1F3F7;color:var(--ink);}
.nav-tabs a.active{
  background:var(--brand-grad);color:#fff;
  box-shadow:0 6px 16px rgba(255,77,46,.28);
}
.nav-fade{
  position:absolute;top:1px;bottom:0;width:32px;pointer-events:none;z-index:2;
}
.nav-fade.left{left:0;background:linear-gradient(90deg,#fff,rgba(255,255,255,0));}
.nav-fade.right{right:0;background:linear-gradient(270deg,#fff,rgba(255,255,255,0));}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;border:1px solid transparent;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 8px 20px rgba(255,77,46,.26);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.btn-ghost{color:var(--brand);border-color:rgba(255,77,46,.45);background:#fff;}
.btn-ghost:hover{background:rgba(255,77,46,.08);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.18);}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.btn-text svg{width:16px;height:16px;transition:transform .2s ease-out;}
.btn-text:hover svg{transform:translateX(4px);}
.btn-lg{height:50px;padding:0 28px;font-size:15px;}

/* ---------- 页面头图 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--dark-1);color:#fff;}
.page-hero-bg{position:absolute;inset:0;}
.page-hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.42;}
.page-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(16,19,26,.95) 0%,rgba(16,19,26,.78) 48%,rgba(255,77,46,.42) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:44px 0 56px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);}
.breadcrumb a{color:rgba(255,255,255,.68);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .now{color:#fff;}
.page-hero-main{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:40px;align-items:center;margin-top:26px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  font-size:13px;font-weight:600;color:#fff;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--cyan);display:inline-block;}
.page-hero h1{
  margin-top:18px;
  font-size:clamp(28px,5.2vw,44px);
  font-weight:800;line-height:1.2;letter-spacing:.4px;
}
.page-hero h1 em{font-style:normal;color:var(--brand-2);}
.page-hero .lead{
  margin-top:16px;font-size:17px;line-height:1.7;
  color:rgba(255,255,255,.78);max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.stat-badges{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
.stat-badge{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-md);
  padding:16px 18px;
  backdrop-filter:blur(4px);
}
.stat-badge b{
  display:block;font-size:24px;font-weight:800;line-height:1.15;
  font-variant-numeric:tabular-nums;color:#fff;
}
.stat-badge b span{font-size:13px;font-weight:600;color:rgba(255,255,255,.7);margin-left:4px;}
.stat-badge small{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.7);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp-section) 0;}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:32px;
}
.section-head h2{font-size:clamp(22px,3.6vw,32px);font-weight:700;letter-spacing:.2px;}
.section-head p{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:640px;}
.section-head .more-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.section-head .more-link svg{width:16px;height:16px;transition:transform .2s;}
.section-head .more-link:hover svg{transform:translateX(4px);}

/* ---------- 图标网格 2×3 ---------- */
.module-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.module-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--sh);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.module-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,77,46,.28);}
.module-icon{
  width:46px;height:46px;border-radius:var(--r-md);
  display:grid;place-items:center;color:#fff;background:var(--brand-grad);
  box-shadow:0 8px 18px rgba(255,77,46,.24);
}
.module-icon.teal{background:linear-gradient(135deg,#17C9A8,#0E9C82);box-shadow:0 8px 18px rgba(23,201,168,.24);}
.module-icon.amber{background:linear-gradient(135deg,#FFC53D,#FFB020);box-shadow:0 8px 18px rgba(255,181,32,.24);}
.module-icon svg{width:22px;height:22px;}
.module-card h3{margin-top:16px;font-size:17px;font-weight:600;}
.module-card p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--ink-2);}
.module-card .module-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:13px;font-weight:600;color:var(--brand);
}
.module-card .module-link svg{width:14px;height:14px;}

/* ---------- 赛程面板 ---------- */
.schedule-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh);
}
.day-pills{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none;}
.day-pills::-webkit-scrollbar{display:none;}
.day-pill{
  flex:0 0 auto;height:38px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  font-size:14px;font-weight:600;transition:.2s ease-out;
}
.day-pill:hover{border-color:rgba(255,77,46,.4);color:var(--brand);}
.day-pill.active{background:var(--brand-grad);color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(255,77,46,.26);}
.match-list{display:grid;gap:12px;margin-top:20px;}
.match-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 16px;
  padding:16px 18px;border:1px solid var(--line);border-radius:var(--r-md);
  background:#fff;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s;
}
.match-row:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(255,77,46,.28);}
.match-time{font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--ink);min-width:54px;}
.match-league{
  padding:3px 10px;border-radius:var(--r-pill);background:#F1F3F7;
  font-size:12px;font-weight:600;color:var(--ink-2);
}
.match-teams{flex:1 1 200px;font-size:15px;font-weight:600;color:var(--ink);}
.match-teams em{font-style:normal;font-size:12px;font-weight:600;color:var(--ink-3);margin:0 6px;}
.match-state{padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;}
.match-state.live{background:rgba(23,201,168,.14);color:#0E9C82;}
.match-state.soon{background:rgba(255,197,61,.2);color:#A9761A;}
.match-state.done{background:#F1F3F7;color:var(--ink-3);}
.match-score{font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;min-width:52px;text-align:right;color:var(--brand);}
.match-score.muted{color:var(--ink-3);}

/* ---------- 数据速览 ---------- */
.data-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;
}
.data-cell{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh);position:relative;overflow:hidden;
}
.data-cell::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:var(--brand-grad);opacity:.9;
}
.data-num{font-size:32px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;color:var(--ink);}
.data-num span{font-size:14px;font-weight:600;color:var(--ink-2);margin-left:4px;}
.data-label{margin-top:8px;font-size:14px;color:var(--ink-2);}

/* ---------- 提醒提示条 ---------- */
.notice-list{display:grid;gap:14px;}
.notice-item{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 16px;
  padding:18px 22px;border-radius:var(--r-md);
  background:linear-gradient(90deg,rgba(255,77,46,.06),rgba(255,176,32,.05));
  border:1px solid rgba(255,77,46,.16);
  border-left:4px solid var(--brand);
}
.notice-icon{
  width:38px;height:38px;border-radius:var(--r-sm);display:grid;place-items:center;
  background:#fff;color:var(--brand);border:1px solid var(--line);flex:0 0 auto;
}
.notice-icon svg{width:18px;height:18px;}
.notice-item strong{font-size:15px;font-weight:700;}
.notice-item p{flex:1 1 260px;font-size:14px;color:var(--ink-2);margin:0;}
.notice-tag{
  padding:4px 12px;border-radius:var(--r-pill);background:rgba(255,197,61,.24);
  color:#8A6414;font-size:12px;font-weight:600;flex:0 0 auto;
}

/* ---------- 话题与热榜 ---------- */
.topic-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.tag{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;
  border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--ink-2);transition:.2s ease-out;
}
.tag:hover{border-color:rgba(255,77,46,.45);color:var(--brand);transform:translateY(-2px);}
.rank-list{display:grid;gap:12px;}
.rank-row{
  display:flex;align-items:center;gap:14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 18px;transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.rank-row:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.rank-no{
  width:28px;height:28px;border-radius:var(--r-sm);flex:0 0 auto;
  display:grid;place-items:center;background:#F1F3F7;color:var(--ink-2);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.rank-row:nth-child(-n+3) .rank-no{background:var(--brand-grad);color:#fff;}
.rank-title{flex:1 1 auto;font-size:15px;font-weight:600;}
.avatars{display:flex;align-items:center;flex:0 0 auto;}
.avatar{
  width:28px;height:28px;border-radius:50%;border:2px solid #fff;
  margin-left:-9px;display:grid;place-items:center;
  font-size:11px;font-weight:700;color:#fff;background:linear-gradient(135deg,#17C9A8,#0E9C82);
}
.avatar:first-child{margin-left:0;}
.avatar.a2{background:linear-gradient(135deg,#FF4D2E,#FFB020);}
.avatar.a3{background:linear-gradient(135deg,#1B2130,#5A6270);}
.count-badge{
  flex:0 0 auto;padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(255,77,46,.09);color:var(--brand);
  font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;
}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh);overflow:hidden;transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item:hover{border-color:rgba(255,77,46,.3);box-shadow:var(--sh-hover);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:700;color:var(--brand);line-height:1;
  transition:transform .2s ease-out;
}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* ---------- CTA 条 ---------- */
.cta-band{
  max-width:1080px;margin:0 auto;
  background:linear-gradient(135deg,var(--dark-1) 0%,var(--dark-2) 62%,#3A2418 100%);
  border-radius:24px;padding:48px 44px;color:#fff;position:relative;overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,77,46,.45),rgba(255,77,46,0) 68%);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.cta-copy h2{font-size:clamp(22px,3.4vw,30px);font-weight:700;}
.cta-copy p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.74);max-width:520px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark-1);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:var(--sp-section);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.site-footer .logo-text{color:#fff;}
.site-footer .logo-text span{color:var(--brand-2);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;max-width:320px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s;}
.footer-col a:hover{color:var(--brand-2);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 悬浮与移动端 CTA ---------- */
.back-top{
  position:fixed;right:22px;bottom:26px;z-index:70;
  width:48px;height:48px;border-radius:50%;
  background:var(--brand-grad);color:#fff;display:grid;place-items:center;
  box-shadow:0 10px 24px rgba(255,77,46,.34);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s,transform .25s,visibility .25s;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top svg{width:20px;height:20px;}
.back-top:hover{transform:translateY(-3px);}
.mobile-cta-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:75;display:none;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  transform:translateY(110%);transition:transform .25s ease-out;
}
.mobile-cta-bar.show{transform:translateY(0);}
.mobile-cta-bar .btn{width:100%;height:48px;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sp-section:64px;}
  .page-hero-main{grid-template-columns:1fr;gap:30px;}
  .module-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .data-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:900px){
  .nav-search{display:none;}
  .search-toggle{display:grid;}
  .nav-actions .btn-ghost{display:none;}
}
@media (max-width:768px){
  :root{--sp-section:48px;}
  .container{padding:0 16px;}
  .logo-text{font-size:15px;}
  .logo-mark{width:32px;height:32px;font-size:12px;}
  .nav-top{height:56px;gap:12px;}
  .site-header.is-scrolled .nav-top{height:52px;}
  .nav-tabs a{height:36px;padding:0 14px;font-size:13px;}
  .page-hero-inner{padding:28px 0 40px;}
  .stat-badges{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-badge b{font-size:20px;}
  .module-grid{grid-template-columns:1fr;}
  .data-strip{grid-template-columns:1fr 1fr;}
  .faq-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;border-radius:20px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .site-footer{padding:44px 0 96px;}
  .back-top{bottom:88px;right:16px;width:44px;height:44px;}
  .mobile-cta-bar{display:block;}
  .match-score{text-align:left;}
  .rank-row{flex-wrap:wrap;}
}
@media (max-width:520px){
  .stat-badges{grid-template-columns:1fr;}
  .data-strip{grid-template-columns:1fr;}
  .match-row{gap:10px 12px;padding:14px;}
  .match-teams{flex:1 1 100%;}
  .hero-actions .btn{flex:1 1 100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --brand:#FF4D2E;
  --brand-2:#FFB020;
  --teal:#17C9A8;
  --yellow:#FFC53D;
  --bg:#F4F6F9;
  --card:#FFFFFF;
  --ink:#14181F;
  --ink-2:#5A6270;
  --ink-3:#9AA1AC;
  --line:#E7EAF0;
  --dark:#10131A;
  --dark-2:#1B2130;
  --error:#F0424E;
  --grad:linear-gradient(135deg,#FF4D2E 0%,#FFB020 100%);
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(16,24,40,.06);
  --sh-hover:0 14px 32px rgba(255,77,46,.18);
  --gap:24px;
  --section:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{font-style:normal}
::selection{background:rgba(255,77,46,.18)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;white-space:nowrap;cursor:pointer;
  border:1px solid transparent;background:none;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn-primary{background-image:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(255,77,46,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{border-color:rgba(255,77,46,.45);color:var(--brand);background:transparent}
.btn-ghost:hover{background:rgba(255,77,46,.08);border-color:var(--brand)}
.btn-ghost:active{background:rgba(255,77,46,.14)}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.28)}
.btn-light:hover{background:rgba(255,255,255,.24)}
.btn-block{width:100%}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.link-more .arrow{transition:transform .2s ease-out}
.link-more:hover .arrow{transform:translateX(4px)}

/* ============ 头部 ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 10px rgba(16,24,40,.04);
}
.nav-top{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:36px;height:36px;border-radius:12px;background-image:var(--grad);
  color:#fff;font-weight:800;font-size:15px;letter-spacing:.5px;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(255,77,46,.28);
}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.2px;color:var(--ink);line-height:1.2}
.logo-text span{color:var(--brand);margin-left:2px}
.nav-search{
  position:relative;flex:0 1 360px;margin-left:8px;
}
.nav-search input{
  width:100%;height:42px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#F8FAFC;padding:0 44px 0 18px;
  font-size:14px;transition:border-color .2s,box-shadow .2s,background-color .2s;
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search input:hover{border-color:#D8DEE8}
.nav-search input:focus{outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,77,46,.12)}
.nav-search .s-icon{position:absolute;right:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--ink-3);pointer-events:none}
.search-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#F8FAFC;cursor:pointer;
  align-items:center;justify-content:center;color:var(--ink-2);
}
.search-toggle svg{width:18px;height:18px}
.search-toggle:hover{border-color:var(--brand);color:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.mobile-search{display:none;padding-bottom:14px}
.mobile-search input{
  width:100%;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#F8FAFC;padding:0 18px;font-size:14px;
}
.mobile-search input:focus{outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,77,46,.12)}
.mobile-search.open{display:block}

.nav-tabs-wrap{position:relative;border-top:1px solid var(--line);background:#fff}
.nav-tabs{
  display:flex;gap:8px;align-items:center;height:48px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.nav-tabs::-webkit-scrollbar{display:none}
.nav-tabs a{
  flex:0 0 auto;height:34px;padding:0 16px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;font-size:14px;color:var(--ink-2);
  transition:background-color .2s,color .2s;white-space:nowrap;
}
.nav-tabs a:hover{background:#F1F4F9;color:var(--ink)}
.nav-tabs a.active{background-image:var(--grad);color:#fff;font-weight:600;box-shadow:0 6px 14px rgba(255,77,46,.22)}
.nav-fade{position:absolute;top:0;bottom:0;width:28px;z-index:2;pointer-events:none;display:none}
.nav-fade.left{left:0;background:linear-gradient(90deg,#fff,rgba(255,255,255,0))}
.nav-fade.right{right:0;background:linear-gradient(270deg,#fff,rgba(255,255,255,0))}

/* ============ 首屏 ============ */
.page-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#10131A 0%,#1B2130 100%);color:#fff;padding:64px 0 72px}
.page-hero .hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.3;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(760px 340px at 12% 18%,rgba(255,77,46,.34),transparent 66%),
             linear-gradient(180deg,rgba(16,19,26,.6) 0%,rgba(16,19,26,.94) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .85fr;gap:44px;align-items:center}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:18px}
.crumbs a:hover{color:#fff}
.crumbs .sep{color:rgba(255,255,255,.35)}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);font-size:13px;color:#fff;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--yellow)}
.page-hero h1{
  font-size:clamp(28px,5.2vw,44px);line-height:1.2;font-weight:800;
  margin:18px 0 14px;letter-spacing:.2px;
}
.page-hero h1 em{font-style:normal;background-image:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:16px;line-height:1.8;color:rgba(255,255,255,.78);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:grid;gap:14px}
.stat-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-md);padding:18px 20px;backdrop-filter:blur(4px);
}
.stat-card .num{font-size:26px;font-weight:800;line-height:1.2;color:#fff}
.stat-card .num small{font-size:13px;font-weight:600;color:var(--yellow);margin-left:4px}
.stat-card .lab{font-size:13px;color:rgba(255,255,255,.7);margin-top:4px}

/* ============ 通用板块 ============ */
.section{padding:var(--section) 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(22px,3.6vw,32px);line-height:1.3;font-weight:700;letter-spacing:.2px}
.sec-head .sec-desc{font-size:15px;color:var(--ink-2);margin-top:10px;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:rgba(255,77,46,.1);color:var(--brand);
  font-size:12px;font-weight:600;margin-bottom:14px;
}

/* ============ 图文交错长条 ============ */
.strips{display:grid;gap:24px}
.strip{
  display:grid;grid-template-columns:1.02fr 1fr;gap:32px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.strip:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,77,46,.24)}
.strip.reverse .strip-media{order:2}
.strip-media{border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/9;background:linear-gradient(135deg,#FF4D2E,#FFB020);position:relative}
.strip-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.strip:hover .strip-media img{transform:scale(1.04)}
.strip-media .ph{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:34px;font-weight:800;
}
.strip-body .chip{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;
  background:rgba(23,201,168,.12);color:#0F9C83;
}
.strip-body h3{font-size:19px;line-height:1.45;font-weight:600;margin:14px 0 10px}
.strip-body p{font-size:15px;color:var(--ink-2)}
.ticks{margin-top:16px;display:grid;gap:10px}
.ticks li{position:relative;padding-left:26px;font-size:14px;color:var(--ink-2)}
.ticks li::before{
  content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:50%;
  background:rgba(255,77,46,.12);
}
.ticks li::after{
  content:"";position:absolute;left:5px;top:11px;width:6px;height:3px;
  border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);
}
.strip-foot{display:flex;align-items:center;gap:16px;margin-top:20px;flex-wrap:wrap}
.meta-line{font-size:13px;color:var(--ink-3)}

/* ============ 场景卡 ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sh);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,77,46,.22)}
.scene-card .ico{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background-image:var(--grad);color:#fff;font-size:15px;font-weight:800;margin-bottom:14px;
}
.scene-card h3{font-size:17px;font-weight:600;margin-bottom:8px}
.scene-card p{font-size:14px;color:var(--ink-2)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:#F1F4F9;color:var(--ink-2);font-size:12px;font-weight:600;
}
.tag.hot{background:rgba(255,197,61,.18);color:#A26A00}
.tag.fresh{background:rgba(23,201,168,.14);color:#0F9C83}

/* ============ 步骤流 ============ */
.steps{position:relative;display:grid;gap:0;max-width:860px}
.step{position:relative;display:grid;grid-template-columns:56px 1fr;gap:22px;padding-bottom:34px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:27px;top:56px;bottom:0;width:2px;
  background:linear-gradient(180deg,rgba(255,77,46,.35),rgba(255,77,46,.05));
}
.step:last-child::before{display:none}
.step-num{
  width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background-image:var(--grad);color:#fff;font-size:18px;font-weight:800;
  box-shadow:0 10px 22px rgba(255,77,46,.24);position:relative;z-index:2;
}
.step-body{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:20px 22px;box-shadow:var(--sh)}
.step-body h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step-body p{font-size:14px;color:var(--ink-2)}
.step-body .st-tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:rgba(255,77,46,.1);color:var(--brand);font-size:12px;font-weight:600;margin-bottom:10px;
}

/* ============ 深色提示带 ============ */
.notice-band{
  background:linear-gradient(135deg,#10131A 0%,#1B2130 100%);
  border-radius:var(--r-lg);padding:36px;color:#fff;
  border:1px solid rgba(255,255,255,.08);
  display:grid;grid-template-columns:1fr 1.1fr;gap:32px;align-items:center;
}
.notice-band h2{font-size:clamp(20px,3vw,26px);font-weight:700;line-height:1.35}
.notice-band .note-sub{font-size:14px;color:rgba(255,255,255,.72);margin-top:10px}
.notice-list{display:grid;gap:14px}
.notice-list li{
  display:grid;grid-template-columns:26px 1fr;gap:14px;align-items:start;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-sm);padding:14px 16px;
}
.notice-list .mark{
  width:26px;height:26px;border-radius:50%;background:rgba(23,201,168,.18);
  color:#5CE3C6;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.notice-list strong{display:block;font-size:15px;font-weight:600;color:#fff}
.notice-list span{font-size:13px;color:rgba(255,255,255,.7)}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-left:3px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh);overflow:hidden;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .2s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 20px;color:var(--brand);margin-left:auto}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-icon::before{left:3px;right:3px;top:9px;height:2px}
.faq-icon::after{top:3px;bottom:3px;left:9px;width:2px;transition:transform .2s ease-out}
.faq-item[open]{border-left-color:var(--brand);box-shadow:0 12px 28px rgba(255,77,46,.12)}
.faq-item[open] summary{color:var(--brand)}
.faq-item[open] .faq-icon::after{transform:scaleY(0)}
.faq-a{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ============ CTA 条 ============ */
.cta-wrap{padding:0 0 var(--section)}
.cta-band{
  max-width:1080px;margin:0 auto;border-radius:24px;padding:44px 40px;
  background:linear-gradient(135deg,#10131A 0%,#1B2130 100%);
  border:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;color:#fff;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,46,.4),transparent 68%);
}
.cta-band h2{font-size:clamp(22px,3.4vw,30px);font-weight:700;line-height:1.3;position:relative;z-index:2}
.cta-band p{font-size:15px;color:rgba(255,255,255,.74);margin-top:10px;position:relative;z-index:2}
.cta-band .cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text span{color:var(--brand-2)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin-top:16px;max-width:340px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease-out}
.footer-col a:hover{color:var(--brand-2)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.48);
}

/* ============ 悬浮控件 ============ */
.to-top{
  position:fixed;right:20px;bottom:88px;width:48px;height:48px;border-radius:50%;
  background-image:var(--grad);color:#fff;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 26px rgba(255,77,46,.32);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s;
  z-index:90;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{transform:translateY(-2px)}
.to-top svg{width:20px;height:20px}
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:95;padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.96);border-top:1px solid var(--line);
  box-shadow:0 -8px 24px rgba(16,24,40,.08);
  transform:translateY(110%);transition:transform .25s ease-out;display:none;
}
.sticky-cta.show{transform:translateY(0)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--section:64px}
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-stats{grid-template-columns:repeat(3,1fr);display:grid}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .nav-search{flex:0 1 260px}
}
@media (max-width:900px){
  .strip{grid-template-columns:1fr;gap:22px;padding:20px}
  .strip.reverse .strip-media{order:0}
  .notice-band{grid-template-columns:1fr;padding:28px}
  .faq-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  :root{--section:48px;--gap:16px}
  .container{padding:0 16px}
  .nav-top{height:56px;gap:12px}
  .nav-search{display:none}
  .search-toggle{display:inline-flex}
  .nav-actions{gap:8px}
  .nav-actions .btn{height:38px;padding:0 14px;font-size:13px}
  .nav-actions .btn-ghost{display:none}
  .nav-fade{display:block}
  .page-hero{padding:40px 0 48px}
  .hero-stats{grid-template-columns:1fr;gap:10px}
  .stat-card{padding:14px 16px}
  .stat-card .num{font-size:22px}
  .grid-4,.grid-3{grid-template-columns:1fr}
  .sec-head{margin-bottom:24px}
  .step{grid-template-columns:44px 1fr;gap:16px;padding-bottom:26px}
  .step-num{width:44px;height:44px;font-size:16px}
  .step::before{left:21px;top:44px}
  .cta-band{padding:30px 22px;border-radius:20px}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .site-footer{padding:48px 0 96px}
  .sticky-cta{display:block}
  .to-top{bottom:80px;right:14px;width:44px;height:44px}
}
@media (max-width:520px){
  .logo-text{font-size:15px}
  .logo-mark{width:32px;height:32px;font-size:13px;border-radius:10px}
  .hero-actions .btn{width:100%}
  .strip-body h3{font-size:17px}
  .faq-item summary{font-size:15px;padding:16px}
  .faq-a{padding:0 16px 16px}
  .notice-band{padding:22px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
  --brand:#FF4D2E;
  --brand-2:#FFB020;
  --brand-grad:linear-gradient(135deg,#FF4D2E 0%,#FFB020 100%);
  --teal:#17C9A8;
  --yellow:#FFC53D;
  --red:#F0424E;
  --bg:#F4F6F9;
  --card:#FFFFFF;
  --dark:#10131A;
  --dark-2:#1B2130;
  --text:#14181F;
  --text-2:#5A6270;
  --text-3:#9AA1AC;
  --line:#E7EAF0;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(16,24,40,.06);
  --sh-hover:0 14px 32px rgba(255,77,46,.18);
  --sp:88px;
  --nav-h:64px;
  --tabs-h:56px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;font-style:normal;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn-primary{
  background:var(--brand-grad);color:#fff;
  box-shadow:0 6px 16px rgba(255,77,46,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.btn-ghost{
  border:1px solid var(--brand);color:var(--brand);background:transparent;
}
.btn-ghost:hover{background:rgba(255,77,46,.08);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);filter:brightness(.94);}
.btn-lg{height:48px;padding:0 28px;font-size:15px;}
.btn-flat{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);
  transition:gap .2s ease-out,color .2s ease-out;
}
.btn-flat:hover{gap:10px;color:#E63E20;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(16,24,40,.08);}
.nav-top{
  display:flex;align-items:center;gap:20px;
  height:var(--nav-h);
  transition:height .2s ease-out;
}
.site-header.is-scrolled .nav-top{height:56px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:36px;height:36px;border-radius:11px;background:var(--brand-grad);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:14px;font-weight:800;letter-spacing:.5px;
  box-shadow:0 6px 14px rgba(255,77,46,.3);
}
.logo-text{font-size:17px;font-weight:800;color:var(--text);letter-spacing:.3px;}
.logo-text span{color:var(--brand);margin-left:2px;font-weight:800;}

.nav-search{
  position:relative;flex:1;max-width:360px;margin-left:12px;
}
.nav-search input{
  width:100%;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#F7F9FC;
  padding:0 42px 0 18px;font-size:14px;color:var(--text);
  transition:border-color .2s ease-out,background-color .2s ease-out,box-shadow .2s ease-out;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(255,77,46,.12);
}
.s-icon{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;color:var(--text-3);pointer-events:none;
}
.search-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);color:var(--text-2);
  align-items:center;justify-content:center;
  transition:background-color .2s ease-out,color .2s ease-out;
}
.search-toggle svg{width:19px;height:19px;}
.search-toggle:hover{background:#F7F9FC;color:var(--brand);}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.mobile-search{
  display:none;padding-bottom:14px;
}
.mobile-search input{
  width:100%;height:42px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#F7F9FC;padding:0 18px;font-size:14px;
}
.mobile-search input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(255,77,46,.12);}
.mobile-search.open{display:block;}

.nav-tabs-wrap{
  position:relative;border-top:1px solid var(--line);
  background:#fff;
}
.nav-tabs{
  display:flex;gap:8px;align-items:center;
  height:var(--tabs-h);overflow-x:auto;scrollbar-width:none;
  -ms-overflow-style:none;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.nav-tabs a{
  flex:0 0 auto;
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--text-2);
  transition:background-color .2s ease-out,color .2s ease-out;
}
.nav-tabs a:hover{background:#F2F4F8;color:var(--text);}
.nav-tabs a.active{
  background:var(--brand-grad);color:#fff;
  box-shadow:0 6px 14px rgba(255,77,46,.26);
}
.nav-fade{
  position:absolute;top:0;bottom:0;width:36px;pointer-events:none;z-index:2;
}
.nav-fade.left{left:0;background:linear-gradient(90deg,#fff 20%,rgba(255,255,255,0));}
.nav-fade.right{right:0;background:linear-gradient(270deg,#fff 20%,rgba(255,255,255,0));}

/* ---------- 页面头图 ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,#10131A,#1B2130);
}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.34;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(16,19,26,.94) 0%,rgba(27,33,48,.72) 55%,rgba(255,77,46,.28) 100%);
}
.hero-inner{position:relative;z-index:3;padding-top:52px;padding-bottom:56px;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;
}
.breadcrumb a{transition:color .2s ease-out;}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{color:rgba(255,255,255,.4);}
.breadcrumb em{font-style:normal;color:#fff;}
.eyebrow{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:var(--r-pill);font-size:13px;font-weight:600;
  color:#fff;background:rgba(255,77,46,.22);
  border:1px solid rgba(255,140,90,.5);
  margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(28px,5.2vw,42px);line-height:1.2;font-weight:800;
  max-width:820px;margin-bottom:16px;
}
.page-hero .lede{
  font-size:16px;line-height:1.8;color:rgba(255,255,255,.78);
  max-width:640px;
}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;
}
.stat{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
  backdrop-filter:blur(2px);
}
.stat strong{font-size:15px;font-weight:700;color:#fff;}
.stat span{font-size:12px;color:rgba(255,255,255,.72);}
.stat.teal{border-color:rgba(23,201,168,.5);background:rgba(23,201,168,.16);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp) 0;scroll-margin-top:140px;}
.section.tight{padding:56px 0;}
.section-alt{background:#fff;}
.section-dark{
  background:linear-gradient(135deg,#10131A,#1B2130);
  color:#fff;
}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:34px;flex-wrap:wrap;
}
.section-title{font-size:clamp(22px,3.6vw,31px);line-height:1.3;font-weight:700;}
.section-title .hl{
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.section-sub{font-size:14px;color:var(--text-2);margin-top:10px;max-width:680px;}
.section-dark .section-sub{color:rgba(255,255,255,.72);}

/* ---------- 对照表 ---------- */
.table-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);overflow:hidden;
}
.table-scroll{overflow-x:auto;}
.data-table{min-width:760px;font-size:14px;}
.data-table thead th{
  background:#F7F9FC;
  text-align:left;font-size:13px;font-weight:700;color:var(--text-2);
  padding:16px 20px;white-space:nowrap;
  border-bottom:1px solid var(--line);
}
.data-table tbody td{
  padding:18px 20px;border-bottom:1px solid var(--line);
  color:var(--text-2);vertical-align:middle;
}
.data-table tbody tr:nth-child(even){background:#FBFCFE;}
.data-table tbody tr:last-child td{border-bottom:0;}
.data-table tbody tr{transition:background-color .2s ease-out;}
.data-table tbody tr:hover{background:#FFF5F1;}
.tier-name{font-size:15px;font-weight:700;color:var(--text);}
.tier-name small{display:block;font-size:12px;font-weight:400;color:var(--text-3);margin-top:2px;}
.num{font-weight:700;color:var(--text);}
.scroll-hint{
  display:none;padding:12px 20px 16px;font-size:12px;color:var(--text-3);
  border-top:1px dashed var(--line);
}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;white-space:nowrap;
  border:1px solid var(--line);background:#F7F9FC;color:var(--text-2);
}
.badge-teal{background:rgba(23,201,168,.12);border-color:rgba(23,201,168,.4);color:#0E9C81;}
.badge-yellow{background:rgba(255,197,61,.18);border-color:rgba(255,176,32,.45);color:#A86A00;}
.badge-brand{background:rgba(255,77,46,.1);border-color:rgba(255,77,46,.35);color:#D93A1C;}

/* ---------- 玩法维度对照卡 ---------- */
.tier-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.tier-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh);
  display:flex;flex-direction:column;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,77,46,.3);}
.tier-card .tier-no{
  width:34px;height:34px;border-radius:11px;background:var(--brand-grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;margin-bottom:16px;
}
.tier-card h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.tier-card .desc{font-size:13px;color:var(--text-2);line-height:1.7;min-height:44px;}
.tier-rows{
  margin:16px 0;border-top:1px dashed var(--line);
}
.tier-row{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 0;border-bottom:1px dashed var(--line);font-size:13px;
}
.tier-row:last-child{border-bottom:0;}
.tier-row .k{color:var(--text-3);}
.tier-row .v{font-weight:700;color:var(--text);}
.tier-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;}

/* ---------- 到账状态行卡 ---------- */
.status-list{
  display:flex;flex-direction:column;gap:14px;
}
.status-row{
  display:grid;grid-template-columns:210px 1fr 1fr 1fr;
  align-items:center;gap:18px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 22px;box-shadow:var(--sh);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.status-row:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.status-main{display:flex;align-items:center;gap:12px;}
.status-ico{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(23,201,168,.12);color:#0E9C81;
}
.status-ico svg{width:19px;height:19px;}
.status-ico.warn{background:rgba(255,176,32,.16);color:#A86A00;}
.status-ico.brand{background:rgba(255,77,46,.12);color:#D93A1C;}
.status-main b{font-size:15px;display:block;}
.status-main small{font-size:12px;color:var(--text-3);}
.status-cell{font-size:13px;color:var(--text-2);}
.status-cell span{display:block;font-size:12px;color:var(--text-3);margin-bottom:2px;}
.status-cell strong{font-size:14px;color:var(--text);}

.notice{
  display:flex;gap:12px;align-items:flex-start;
  margin-top:22px;padding:16px 20px;border-radius:var(--r-md);
  background:rgba(255,176,32,.1);border:1px solid rgba(255,176,32,.35);
  font-size:13px;color:#7A5400;line-height:1.7;
}
.notice svg{width:18px;height:18px;flex:0 0 auto;margin-top:3px;}

/* ---------- 左图右文 ---------- */
.split{
  display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;
}
.split-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh);
  aspect-ratio:16/10;background:linear-gradient(135deg,#FF4D2E,#FFB020);
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-media .tag{
  position:absolute;left:16px;top:16px;
}
.split-media .tag span{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(16,19,26,.72);color:#fff;font-size:12px;font-weight:600;
}
.check-list{display:flex;flex-direction:column;gap:14px;margin-top:24px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--text-2);line-height:1.75;}
.check-list .dot{
  width:22px;height:22px;border-radius:8px;flex:0 0 auto;margin-top:4px;
  background:rgba(23,201,168,.14);color:#0E9C81;
  display:inline-flex;align-items:center;justify-content:center;
}
.check-list .dot svg{width:13px;height:13px;}
.check-list b{color:var(--text);}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-left:3px solid transparent;
  border-radius:var(--r-md);overflow:hidden;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item.open{border-left-color:var(--brand);box-shadow:var(--sh);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 20px;text-align:left;font-size:15px;font-weight:600;color:var(--text);
  transition:color .2s ease-out;
}
.faq-item.open .faq-q{color:var(--brand);}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--line);color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;line-height:1;font-weight:600;
  transition:transform .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.faq-item.open .faq-icon{
  transform:rotate(180deg);background:var(--brand-grad);color:#fff;border-color:transparent;
}
.faq-a{
  display:none;padding:0 20px 20px;font-size:14px;line-height:1.8;color:var(--text-2);
}
.faq-item.open .faq-a{display:block;}

/* ---------- CTA 条 ---------- */
.cta-wrap{padding:0 0 var(--sp);}
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;
  background:linear-gradient(135deg,#10131A 0%,#1B2130 55%,#38211C 100%);
  color:#fff;padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  border:1px solid rgba(255,255,255,.08);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,46,.42),rgba(255,176,32,0) 68%);
}
.cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-copy h2{font-size:clamp(22px,3.4vw,30px);line-height:1.3;margin-bottom:12px;}
.cta-copy p{font-size:14px;color:rgba(255,255,255,.72);}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}
.cta-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.4);}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);color:rgba(255,255,255,.72);
  padding:64px 0 28px;margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{font-size:13px;line-height:1.85;color:rgba(255,255,255,.6);max-width:360px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:13px;color:rgba(255,255,255,.66);transition:color .2s ease-out,padding-left .2s ease-out;}
.footer-col a:hover{color:var(--brand-2);padding-left:4px;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:12px;color:rgba(255,255,255,.45);
}

/* ---------- 回顶 ---------- */
.to-top{
  position:fixed;right:20px;bottom:24px;z-index:70;
  width:48px;height:48px;border-radius:50%;
  background:var(--brand-grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(255,77,46,.34);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s ease-out;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top svg{width:20px;height:20px;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sp:64px;}
  .nav-search{max-width:260px;}
  .tier-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .status-row{grid-template-columns:190px 1fr 1fr;gap:14px;}
  .status-row .status-cell:last-child{grid-column:2 / 4;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .faq-grid{grid-template-columns:1fr;}
}
@media (max-width:768px){
  :root{--sp:48px;--nav-h:56px;--tabs-h:52px;}
  .container{padding:0 16px;}
  .nav-search{display:none;}
  .search-toggle{display:inline-flex;}
  .nav-actions{gap:8px;}
  .nav-actions .btn{height:36px;padding:0 14px;font-size:13px;}
  .nav-actions .btn-ghost{display:none;}
  .logo-text{font-size:15px;}
  .hero-inner{padding-top:36px;padding-bottom:40px;}
  .page-hero .lede{font-size:15px;}
  .stat{height:34px;padding:0 13px;}
  .stat strong{font-size:14px;}
  .section-head{margin-bottom:24px;}
  .tier-grid{grid-template-columns:1fr;}
  .status-row{grid-template-columns:1fr;gap:10px;}
  .status-row .status-cell:last-child{grid-column:auto;}
  .status-cell{border-top:1px dashed var(--line);padding-top:10px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 24px;gap:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .scroll-hint{display:block;}
  .to-top{right:14px;bottom:80px;width:44px;height:44px;}
}
@media (max-width:520px){
  .page-hero h1{font-size:26px;}
  .hero-stats{gap:8px;}
  .stat{height:32px;padding:0 12px;}
  .stat span{font-size:11px;}
  .section-sub{font-size:13px;}
  .data-table thead th,.data-table tbody td{padding:14px 16px;}
  .faq-q{padding:16px;font-size:14px;}
  .faq-a{padding:0 16px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --primary:#FF4D2E;
  --primary-dark:#E63A1D;
  --brand-grad:linear-gradient(135deg,#FF4D2E 0%,#FFB020 100%);
  --accent:#17C9A8;
  --accent-deep:#0E9C82;
  --warn:#FFC53D;
  --danger:#F0424E;
  --bg:#F4F6F9;
  --card:#FFFFFF;
  --dark:#10131A;
  --dark-2:#1B2130;
  --ink:#14181F;
  --ink-2:#5A6270;
  --ink-3:#9AA1AC;
  --line:#E7EAF0;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(16,24,40,.06);
  --sh-2:0 14px 32px rgba(255,77,46,.18);
  --container:1200px;
  --sec-space:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
b,strong{font-weight:700;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--sec-space) 0;}
.section.tight{padding:56px 0;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-top{
  display:flex;
  align-items:center;
  gap:20px;
  height:64px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  font-weight:800;
}
.logo-mark{
  width:36px;height:36px;
  border-radius:11px;
  background:var(--brand-grad);
  color:#fff;
  display:grid;
  place-items:center;
  font-size:14px;
  letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(255,77,46,.28);
}
.logo-text{
  font-size:17px;
  line-height:1;
  letter-spacing:.2px;
  color:var(--ink);
}
.logo-text span{color:var(--primary);}
.nav-search{
  position:relative;
  flex:1 1 auto;
  max-width:360px;
}
.nav-search input{
  width:100%;
  height:40px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#F7F9FC;
  padding:0 42px 0 16px;
  font-size:14px;
  color:var(--ink);
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search input:focus{
  outline:none;
  background:#fff;
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(255,77,46,.12);
}
.nav-search .s-icon{
  position:absolute;
  right:14px;
  top:50%;
  transform:translateY(-50%);
  width:18px;height:18px;
  color:var(--ink-3);
  pointer-events:none;
}
.search-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#F7F9FC;
  color:var(--ink-2);
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.search-toggle svg{width:18px;height:18px;}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
}
.mobile-search{
  display:none;
  padding:0 0 12px;
}
.mobile-search input{
  width:100%;
  height:42px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#F7F9FC;
  padding:0 16px;
  font-size:14px;
  color:var(--ink);
}
.mobile-search input:focus{
  outline:none;
  background:#fff;
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(255,77,46,.12);
}
.mobile-search.open{display:block;}
.nav-tabs-wrap{
  position:relative;
  border-top:1px solid var(--line);
  background:rgba(255,255,255,.96);
}
.nav-tabs{
  display:flex;
  gap:8px;
  overflow-x:auto;
  padding:10px 0;
  scrollbar-width:none;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.nav-tabs a{
  flex:0 0 auto;
  padding:8px 16px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:500;
  color:var(--ink-2);
  transition:background .2s,color .2s,box-shadow .2s;
}
.nav-tabs a:hover{background:#F1F4F9;color:var(--ink);}
.nav-tabs a.active{
  background:var(--brand-grad);
  color:#fff;
  font-weight:600;
  box-shadow:0 6px 16px rgba(255,77,46,.22);
}
.nav-fade{
  position:absolute;
  top:0;bottom:0;
  width:32px;
  pointer-events:none;
  z-index:2;
}
.nav-fade.left{left:0;background:linear-gradient(90deg,#fff,rgba(255,255,255,0));}
.nav-fade.right{right:0;background:linear-gradient(270deg,#fff,rgba(255,255,255,0));}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  height:40px;
  padding:0 18px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,filter .2s ease-out;
}
.btn-primary{
  background:var(--brand-grad);
  color:#fff;
  box-shadow:0 6px 18px rgba(255,77,46,.24);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.btn-ghost{
  border-color:var(--primary);
  color:var(--primary);
  background:transparent;
}
.btn-ghost:hover{background:rgba(255,77,46,.08);}
.btn-lg{height:48px;padding:0 26px;font-size:15px;}
.btn-arrow::after{
  content:"→";
  display:inline-block;
  margin-left:4px;
  transition:transform .2s ease-out;
}
.btn-arrow:hover::after{transform:translateX(4px);}

/* ============ 分类页头图 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--dark);
  color:#fff;
}
.page-hero .hero-bg{
  position:absolute;
  inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;
  background-position:center;
  opacity:.4;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(118deg,#10131A 16%,rgba(16,19,26,.9) 48%,rgba(27,33,48,.7) 100%);
}
.page-hero .container{
  position:relative;
  z-index:2;
}
.hero-inner{
  display:grid;
  grid-template-columns:1fr 300px;
  gap:44px;
  align-items:end;
  padding:52px 0 56px;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.66);
  margin-bottom:18px;
  flex-wrap:wrap;
}
.breadcrumb a{color:rgba(255,255,255,.66);transition:color .2s;}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{color:rgba(255,255,255,.36);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);
  color:#FFD8CE;
  font-size:13px;
  font-weight:600;
  margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(28px,5.2vw,44px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:.2px;
  color:#fff;
  max-width:18em;
}
.page-hero .hero-sub{
  margin-top:16px;
  font-size:16px;
  line-height:1.8;
  color:rgba(255,255,255,.74);
  max-width:34em;
}
.hero-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:28px;
}
.hero-stats{display:grid;gap:10px;}
.hero-stats .stat{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:14px 16px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
}
.hero-stats .stat b{
  font-size:20px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  color:#fff;
}
.hero-stats .stat b i{font-style:normal;font-size:12px;font-weight:600;color:rgba(255,255,255,.6);margin-left:2px;}
.hero-stats .stat span{
  font-size:12px;
  color:rgba(255,255,255,.7);
}

/* ============ 板块标题 ============ */
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:36px;
}
.section-head .eyebrow-dark{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(255,77,46,.1);
  color:var(--primary);
  font-size:13px;
  font-weight:600;
  margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(22px,3.6vw,32px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:.2px;
}
.section-head .section-sub{
  font-size:15px;
  color:var(--ink-2);
  max-width:30em;
  line-height:1.8;
}

/* ============ 步骤流 ============ */
.flow{
  position:relative;
  display:grid;
  gap:18px;
}
.flow::before{
  content:"";
  position:absolute;
  left:27px;
  top:18px;
  bottom:18px;
  width:2px;
  background:linear-gradient(180deg,var(--primary),rgba(255,77,46,.1));
}
.flow-item{
  position:relative;
  display:grid;
  grid-template-columns:56px minmax(0,1fr);
  gap:20px;
  align-items:start;
}
.flow-num{
  position:relative;
  z-index:2;
  width:56px;height:56px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--line);
  display:grid;
  place-items:center;
  font-size:18px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  color:var(--primary);
  box-shadow:var(--sh-1);
  transition:border-color .2s,box-shadow .2s;
}
.flow-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px 22px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.flow-item:hover .flow-card{
  transform:translateY(-3px);
  box-shadow:var(--sh-2);
  border-color:rgba(255,77,46,.3);
}
.flow-item:hover .flow-num{
  border-color:var(--primary);
  box-shadow:0 10px 24px rgba(255,77,46,.18);
}
.flow-body{
  display:grid;
  grid-template-columns:minmax(0,1fr) 172px;
  gap:22px;
  align-items:center;
}
.flow-card h3{
  font-size:19px;
  line-height:1.45;
  font-weight:600;
  margin-bottom:8px;
}
.flow-card p{
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
}
.mini{
  border-radius:var(--r-sm);
  background:#F7F9FC;
  border:1px solid var(--line);
  padding:12px 14px;
  text-align:left;
}
.mini .mini-label{
  display:block;
  font-size:12px;
  color:var(--ink-3);
  margin-bottom:4px;
}
.mini .mini-value{
  display:block;
  font-size:18px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  color:var(--ink);
}
.mini .mini-value em{font-style:normal;font-size:12px;font-weight:600;color:var(--ink-3);margin-left:2px;}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:14px;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  background:rgba(23,201,168,.12);
  color:var(--accent-deep);
}
.tag.warn{background:rgba(255,197,61,.2);color:#9A6B00;}
.tag.neutral{background:#F1F4F9;color:var(--ink-2);}

/* ============ 深色数据带 ============ */
.dark-band{
  border-radius:24px;
  background:linear-gradient(135deg,#10131A 0%,#1B2130 100%);
  border:1px solid rgba(255,255,255,.08);
  padding:44px;
  color:#fff;
}
.dark-band .band-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:28px;
  margin-bottom:32px;
}
.dark-band h2{
  font-size:clamp(22px,3.4vw,30px);
  line-height:1.3;
  font-weight:700;
}
.dark-band .band-note{
  font-size:14px;
  color:rgba(255,255,255,.66);
  max-width:28em;
}
.metric-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(158px,1fr));
  gap:14px;
}
.metric{
  padding:18px 16px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  transition:background .2s,border-color .2s,transform .2s ease-out;
}
.metric:hover{
  background:rgba(255,255,255,.09);
  border-color:rgba(255,77,46,.5);
  transform:translateY(-3px);
}
.metric b{
  display:block;
  font-size:24px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.metric b em{font-style:normal;font-size:13px;font-weight:600;color:rgba(255,255,255,.6);margin-left:3px;}
.metric span{
  display:block;
  margin-top:8px;
  font-size:13px;
  color:rgba(255,255,255,.68);
  line-height:1.6;
}
.metric .m-tag{
  display:inline-flex;
  margin-top:10px;
  height:22px;
  padding:0 10px;
  align-items:center;
  border-radius:var(--r-pill);
  font-size:11px;
  font-weight:600;
  background:rgba(23,201,168,.16);
  color:#7FEFD8;
}

/* ============ 图文左右 ============ */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.split-media{
  position:relative;
  border-radius:16px;
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.split-media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .4s ease-out;
}
.split-media:hover img{transform:scale(1.04);}
.split-media .media-tag{
  position:absolute;
  left:16px;
  bottom:16px;
  height:28px;
  padding:0 12px;
  display:inline-flex;
  align-items:center;
  border-radius:var(--r-pill);
  background:rgba(16,19,26,.72);
  color:#fff;
  font-size:12px;
  font-weight:600;
  backdrop-filter:blur(6px);
}
.split h2{
  font-size:clamp(22px,3.2vw,30px);
  line-height:1.3;
  font-weight:700;
  margin-bottom:14px;
}
.split > div > p{
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
}
.check-list{
  display:grid;
  gap:14px;
  margin-top:24px;
}
.check-list li{
  display:flex;
  gap:12px;
  font-size:15px;
  line-height:1.7;
  color:var(--ink-2);
}
.check-dot{
  flex:0 0 auto;
  width:22px;height:22px;
  border-radius:50%;
  background:rgba(23,201,168,.15);
  color:var(--accent-deep);
  display:grid;
  place-items:center;
  font-size:12px;
  font-weight:700;
  margin-top:3px;
}
.check-list li b{color:var(--ink);font-weight:600;}

/* ============ 排行列表 ============ */
.rank-list{display:grid;gap:12px;}
.rank-item{
  display:grid;
  grid-template-columns:52px minmax(0,1fr) auto;
  gap:18px;
  align-items:center;
  padding:18px 22px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.rank-item:hover{
  transform:translateX(4px);
  border-color:rgba(255,77,46,.34);
  box-shadow:var(--sh-2);
}
.rank-no{
  font-size:20px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  color:var(--primary);
  letter-spacing:.5px;
}
.rank-item h3{
  font-size:17px;
  font-weight:600;
  margin-bottom:4px;
}
.rank-item p{
  font-size:14px;
  color:var(--ink-2);
  line-height:1.7;
}
.rank-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:32px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(255,77,46,.09);
  color:var(--primary);
  font-size:13px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}

/* ============ 引用与头像 ============ */
.quote-band{
  display:grid;
  grid-template-columns:1.5fr 1fr;
  gap:36px;
  align-items:center;
  padding:36px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
}
.quote-band blockquote{
  margin:0;
  font-size:19px;
  line-height:1.75;
  font-weight:600;
  color:var(--ink);
  padding-left:20px;
  border-left:4px solid var(--primary);
}
.quote-band .quote-meta{
  margin-top:16px;
  font-size:14px;
  color:var(--ink-2);
  padding-left:20px;
}
.quote-side{
  display:grid;
  gap:16px;
  justify-items:start;
}
.avatars{display:flex;}
.avatar{
  width:38px;height:38px;
  border-radius:50%;
  background:var(--brand-grad);
  color:#fff;
  display:grid;
  place-items:center;
  font-size:13px;
  font-weight:700;
  border:2px solid #fff;
  margin-left:-10px;
  box-shadow:0 4px 12px rgba(16,24,40,.1);
}
.avatar:first-child{margin-left:0;}
.avatar.alt{background:linear-gradient(135deg,#17C9A8,#0E9C82);}
.avatar.third{background:linear-gradient(135deg,#1B2130,#3A4356);}
.quote-side .side-stat{
  font-size:14px;
  color:var(--ink-2);
}
.quote-side .side-stat b{
  display:block;
  font-size:24px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  color:var(--ink);
}

/* ============ FAQ ============ */
.faq-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
  align-items:start;
}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-left:3px solid transparent;
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{
  border-left-color:var(--primary);
  box-shadow:0 10px 28px rgba(255,77,46,.12);
}
.faq-item summary{
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px 20px;
  cursor:pointer;
  list-style:none;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item[open] summary{color:var(--primary);}
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:20px;height:20px;
  margin-left:auto;
  transition:transform .25s ease-out;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--primary);
  border-radius:2px;
}
.faq-icon::before{left:2px;right:2px;top:9px;height:2px;}
.faq-icon::after{top:2px;bottom:2px;left:9px;width:2px;transition:opacity .25s;}
.faq-item[open] .faq-icon{transform:rotate(180deg);}
.faq-item[open] .faq-icon::after{opacity:0;}
.faq-answer{
  padding:0 20px 20px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
}

/* ============ CTA 条 ============ */
.cta-wrap{padding:0 0 var(--sec-space);}
.cta-band{
  max-width:1080px;
  margin:0 auto;
  border-radius:24px;
  padding:48px 52px;
  background:linear-gradient(120deg,#10131A 0%,#1B2130 55%,#2A1A18 100%);
  border:1px solid rgba(255,255,255,.08);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-60px;
  width:260px;height:260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,46,.34),rgba(255,77,46,0) 70%);
}
.cta-band h2{
  font-size:clamp(22px,3.4vw,30px);
  line-height:1.3;
  font-weight:700;
  margin-bottom:10px;
  position:relative;
  z-index:2;
}
.cta-band p{
  font-size:15px;
  color:rgba(255,255,255,.72);
  position:relative;
  z-index:2;
}
.cta-band .btn{position:relative;z-index:2;flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.72);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.6);
  max-width:30em;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  font-size:14px;
  color:rgba(255,255,255,.6);
  transition:color .2s,padding-left .2s;
}
.footer-col a:hover{color:#fff;padding-left:4px;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:24px;
  font-size:13px;
  color:rgba(255,255,255,.44);
}

/* ============ 回顶与移动 CTA ============ */
.to-top{
  position:fixed;
  right:20px;
  bottom:24px;
  width:48px;height:48px;
  border-radius:50%;
  border:none;
  background:var(--brand-grad);
  color:#fff;
  font-size:18px;
  display:grid;
  place-items:center;
  cursor:pointer;
  box-shadow:0 12px 28px rgba(255,77,46,.32);
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity .25s,transform .25s,visibility .25s;
  z-index:70;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top svg{width:20px;height:20px;}
.mobile-cta-bar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  height:56px;
  padding:0 16px;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  background:rgba(255,255,255,.97);
  border-top:1px solid var(--line);
  box-shadow:0 -6px 20px rgba(16,24,40,.08);
  transform:translateY(110%);
  transition:transform .3s ease-out;
  z-index:80;
}
.mobile-cta-bar.show{transform:translateY(0);}
.mobile-cta-bar span{font-size:13px;color:var(--ink-2);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--sec-space:64px;}
  .container{padding:0 20px;}
  .hero-inner{grid-template-columns:1fr;gap:28px;padding:40px 0 44px;align-items:start;}
  .hero-stats{grid-template-columns:repeat(3,minmax(0,1fr));}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .split{grid-template-columns:1fr;gap:28px;}
  .quote-band{grid-template-columns:1fr;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{padding:40px;flex-direction:column;align-items:flex-start;}
}
@media (max-width:768px){
  :root{--sec-space:48px;}
  body{font-size:16px;}
  .nav-top{height:56px;gap:12px;}
  .nav-search{display:none;}
  .search-toggle{display:inline-flex;margin-left:auto;}
  .nav-actions{margin-left:0;}
  .nav-actions .btn-ghost{display:none;}
  .logo-text{font-size:16px;}
  .nav-tabs a{padding:7px 14px;font-size:13px;}
  .hero-stats{grid-template-columns:1fr;}
  .flow::before{left:21px;}
  .flow-item{grid-template-columns:44px minmax(0,1fr);gap:14px;}
  .flow-num{width:44px;height:44px;font-size:16px;}
  .flow-body{grid-template-columns:1fr;gap:14px;}
  .dark-band{padding:28px 22px;}
  .dark-band .band-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .faq-grid{grid-template-columns:1fr;}
  .faq-item summary{font-size:15px;padding:16px;}
  .faq-answer{padding:0 16px 18px;}
  .quote-band{padding:24px;}
  .quote-band blockquote{font-size:17px;padding-left:16px;}
  .quote-band .quote-meta{padding-left:16px;}
  .rank-item{grid-template-columns:36px minmax(0,1fr);gap:12px;padding:16px;}
  .rank-badge{grid-column:2;justify-self:start;}
  .cta-wrap{padding-bottom:88px;}
  .cta-band{padding:30px 22px;border-radius:20px;}
  .cta-band .btn{width:100%;}
  .mobile-cta-bar{display:flex;}
  .to-top{bottom:76px;right:14px;width:44px;height:44px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .logo-mark{width:32px;height:32px;border-radius:10px;font-size:12px;}
  .logo-text{font-size:15px;}
  .logo-text span{display:inline;}
  .nav-actions .btn{height:36px;padding:0 14px;font-size:13px;}
  .metric-grid{grid-template-columns:1fr;}
  .hero-actions .btn{flex:1 1 auto;}
  .section{padding:44px 0;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category5 */
:root{
  --brand:#FF4D2E;
  --brand-2:#FFB020;
  --grad:linear-gradient(135deg,#FF4D2E 0%,#FFB020 100%);
  --mint:#17C9A8;
  --yellow:#FFC53D;
  --bg:#F4F6F9;
  --card:#FFFFFF;
  --dark-1:#10131A;
  --dark-2:#1B2130;
  --ink:#14181F;
  --ink-2:#5A6270;
  --ink-3:#9AA1AC;
  --line:#E7EAF0;
  --danger:#F0424E;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(16,24,40,.06);
  --sh-2:0 14px 32px rgba(255,77,46,.18);
  --sp:88px;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  font-weight:400;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
h1,h2,h3,h4{font-style:normal;}
.num,.metric b,.stat-value{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(255,77,46,.24);}
.btn-primary:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.btn-ghost{border-color:rgba(255,77,46,.45);color:var(--brand);background:transparent;}
.btn-ghost:hover{background:rgba(255,77,46,.08);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-outline:hover{border-color:rgba(255,77,46,.5);color:var(--brand);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--brand);}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.22);}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn-block{width:100%;}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;
}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(16,24,40,.08);}
.nav-top{display:flex;align-items:center;gap:20px;height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  color:#fff;font-weight:800;font-size:15px;letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;
}
.logo-text{font-size:17px;font-weight:800;line-height:1.15;letter-spacing:.2px;}
.logo-text span{display:block;font-size:11px;font-weight:600;color:var(--ink-3);letter-spacing:1.4px;}

.nav-search{
  position:relative;flex:1 1 auto;max-width:360px;margin-left:12px;
}
.nav-search input{
  width:100%;height:42px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#F7F9FC;
  padding:0 46px 0 18px;font-size:14px;outline:none;
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out;
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(255,77,46,.12);}
.s-icon{position:absolute;right:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--ink-3);pointer-events:none;}

.search-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:14px;color:var(--ink-2);align-items:center;justify-content:center;cursor:pointer;}
.search-toggle svg{width:20px;height:20px;}

.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}

.mobile-search{display:none;}
.mobile-search input{
  width:100%;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#F7F9FC;padding:0 18px;font-size:15px;outline:none;margin:0 0 12px;
}
.mobile-search input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(255,77,46,.12);}
.mobile-search.is-open{display:block;}

.nav-tabs-wrap{position:relative;border-top:1px solid var(--line);background:#fff;}
.nav-tabs{display:flex;gap:8px;height:52px;align-items:center;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.nav-tabs::-webkit-scrollbar{display:none;}
.nav-tabs a{
  flex:0 0 auto;padding:8px 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:var(--ink-2);
  transition:background-color .2s ease-out,color .2s ease-out;
}
.nav-tabs a:hover{background:#F1F4F9;color:var(--ink);}
.nav-tabs a.active{background:var(--grad);color:#fff;font-weight:600;box-shadow:0 6px 14px rgba(255,77,46,.22);}
.nav-fade{position:absolute;top:0;bottom:0;width:36px;pointer-events:none;z-index:2;}
.nav-fade.left{left:0;background:linear-gradient(90deg,#fff,rgba(255,255,255,0));}
.nav-fade.right{right:0;background:linear-gradient(270deg,#fff,rgba(255,255,255,0));}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background:var(--dark-1) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(110deg,rgba(16,19,26,.95) 0%,rgba(16,19,26,.82) 48%,rgba(27,33,48,.6) 100%);
}
.page-hero .hero-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
  padding:72px 24px 76px;
}
.crumb{font-size:13px;color:rgba(255,255,255,.72);margin-bottom:16px;}
.crumb a:hover{color:#fff;}
.crumb em{font-style:normal;margin:0 8px;opacity:.6;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);
  font-size:12px;font-weight:600;letter-spacing:.6px;color:#fff;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-2);}
.page-hero h1{
  font-size:clamp(28px,5.2vw,44px);line-height:1.2;font-weight:800;
  letter-spacing:-.4px;margin-bottom:16px;
  background:linear-gradient(96deg,#fff 30%,#FFD9A8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-hero .lead{font-size:16px;color:rgba(255,255,255,.78);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-stats{display:grid;gap:14px;}
.stat-card{
  border-radius:var(--r-md);padding:18px 20px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  display:flex;align-items:baseline;gap:12px;
  transition:background-color .2s ease-out,transform .2s ease-out;
}
.stat-card:hover{background:rgba(255,255,255,.14);transform:translateX(4px);}
.stat-value{font-size:26px;font-weight:800;line-height:1;}
.stat-value small{font-size:13px;font-weight:600;margin-left:2px;color:var(--brand-2);}
.stat-text{font-size:13px;color:rgba(255,255,255,.72);line-height:1.5;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp) 0;}
.section.tight{padding:56px 0;}
.section-head{margin-bottom:36px;max-width:760px;}
.section-head .kicker{
  display:inline-block;font-size:13px;font-weight:700;color:var(--brand);
  letter-spacing:1.2px;margin-bottom:12px;
}
.section-head h2{font-size:clamp(22px,3.6vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.3px;}
.section-head p{margin-top:12px;font-size:15px;color:var(--ink-2);}
.section-head.row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
.text-link{
  font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;
}
.text-link::after{content:"→";transition:transform .2s ease-out;display:inline-block;}
.text-link:hover::after{transform:translateX(4px);}

/* ---------- 标签组 ---------- */
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  height:36px;padding:0 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
  font-size:13px;font-weight:500;
  transition:border-color .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.pill:hover{border-color:rgba(255,77,46,.5);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-1);}
.pill strong{color:var(--brand);font-weight:700;}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:rgba(255,77,46,.1);color:var(--brand);
}
.tag.mint{background:rgba(23,201,168,.12);color:#0E9E85;}
.tag.yellow{background:rgba(255,197,61,.18);color:#A97400;}

/* ---------- 自检卡 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.check-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,77,46,.28);}
.check-icon{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(255,77,46,.12),rgba(255,176,32,.16));color:var(--brand);
  margin-bottom:16px;
}
.check-icon svg{width:22px;height:22px;}
.check-card h3{font-size:17px;font-weight:600;line-height:1.45;margin-bottom:8px;}
.check-card p{font-size:14px;color:var(--ink-2);line-height:1.75;}
.check-card .card-foot{margin-top:16px;display:flex;align-items:center;justify-content:space-between;}

/* ---------- FAQ + 表单 ---------- */
.qa-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:32px;align-items:start;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  border-left:3px solid transparent;overflow:hidden;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item[open]{border-left-color:var(--brand);box-shadow:var(--sh-1);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;cursor:pointer;list-style:none;font-size:16px;font-weight:600;line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item[open] summary{color:var(--brand);}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--line);position:relative;
  transition:transform .2s ease-out,border-color .2s ease-out;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--ink-2);border-radius:2px;
}
.faq-icon::before{width:10px;height:2px;}
.faq-icon::after{width:2px;height:10px;transition:opacity .2s ease-out;}
.faq-item[open] .faq-icon{transform:rotate(180deg);border-color:var(--brand);}
.faq-item[open] .faq-icon::before,.faq-item[open] .faq-icon::after{background:var(--brand);}
.faq-item[open] .faq-icon::after{opacity:0;}
.faq-answer{padding:0 20px 20px;font-size:15px;color:var(--ink-2);line-height:1.8;}
.faq-answer p+p{margin-top:10px;}
.faq-answer ul{margin-top:10px;display:grid;gap:6px;}
.faq-answer li{position:relative;padding-left:16px;}
.faq-answer li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--brand-2);}

.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);position:sticky;top:132px;
}
.form-card h3{font-size:19px;font-weight:700;margin-bottom:6px;}
.form-card .form-sub{font-size:13px;color:var(--ink-3);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;border-radius:12px;border:1px solid var(--line);background:#F9FAFC;
  padding:11px 14px;font-size:15px;line-height:1.5;outline:none;
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out;
}
.field textarea{min-height:104px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(255,77,46,.12);
}
.field.invalid input,.field.invalid textarea{border-color:var(--danger);}
.field .err{display:none;font-size:12px;color:var(--danger);margin-top:6px;}
.field.invalid .err{display:block;}
.form-note{font-size:12px;color:var(--ink-3);line-height:1.7;margin-top:12px;}
.form-msg{
  display:none;margin-top:14px;padding:12px 14px;border-radius:12px;
  background:rgba(23,201,168,.1);border:1px solid rgba(23,201,168,.35);
  color:#0E9E85;font-size:13px;font-weight:600;
}
.form-msg.show{display:block;}

/* ---------- 安全清单 ---------- */
.secure-layout{display:grid;grid-template-columns:.95fr 1.05fr;gap:40px;align-items:center;}
.secure-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);background:#EEF1F6;}
.secure-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease-out;}
.secure-media:hover img{transform:scale(1.04);}
.secure-list{display:grid;gap:14px;margin-top:6px;}
.secure-list li{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 18px;transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.secure-list li:hover{transform:translateX(4px);box-shadow:var(--sh-1);}
.tick{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:rgba(23,201,168,.14);
  color:#0E9E85;display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.tick svg{width:14px;height:14px;}
.secure-list strong{display:block;font-size:15px;font-weight:600;margin-bottom:2px;}
.secure-list span{font-size:13.5px;color:var(--ink-2);line-height:1.7;}

/* ---------- 数据带 ---------- */
.metrics-band{
  background:linear-gradient(135deg,var(--dark-1) 0%,var(--dark-2) 100%);
  border-radius:24px;padding:36px;color:#fff;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  border:1px solid rgba(255,255,255,.08);
}
.metric b{display:block;font-size:30px;font-weight:800;line-height:1.1;letter-spacing:-.5px;}
.metric b small{font-size:14px;font-weight:600;color:var(--brand-2);margin-left:3px;}
.metric span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.72);line-height:1.6;}

/* ---------- 频道入口 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.channel-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.channel-card .thumb{position:relative;overflow:hidden;background:#EEF1F6;}
.channel-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease-out;}
.channel-card:hover .thumb img{transform:scale(1.04);}
.channel-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.channel-body h3{font-size:17px;font-weight:600;line-height:1.45;}
.channel-body p{font-size:14px;color:var(--ink-2);}
.channel-body .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:8px;}

/* ---------- CTA ---------- */
.cta-wrap{padding:0 0 var(--sp);}
.cta-band{
  max-width:1080px;margin:0 auto;border-radius:24px;padding:44px;
  background:linear-gradient(120deg,#10131A 0%,#1B2130 55%,#3A2418 100%);
  color:#fff;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  border:1px solid rgba(255,255,255,.08);
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,46,.4),rgba(255,77,46,0) 70%);
}
.cta-band .cta-copy{position:relative;z-index:1;max-width:640px;}
.cta-band h2{font-size:clamp(22px,3.2vw,30px);font-weight:800;line-height:1.3;margin-bottom:10px;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.75);}
.cta-band .btn{position:relative;z-index:1;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark-1);color:rgba(255,255,255,.72);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text span{color:rgba(255,255,255,.5);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease-out;}
.footer-col a:hover{color:var(--brand-2);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 悬浮 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--grad);color:#fff;border:0;cursor:pointer;z-index:70;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(255,77,46,.32);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s ease-out;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top svg{width:20px;height:20px;}
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:65;display:none;
  padding:10px 16px;background:rgba(255,255,255,.96);border-top:1px solid var(--line);
  backdrop-filter:blur(10px);transform:translateY(110%);
  transition:transform .25s ease-out;
}
.mobile-cta.show{transform:translateY(0);}

/* ---------- 图片降级 ---------- */
.img-fallback{
  background:var(--grad);display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:28px;font-weight:800;letter-spacing:2px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sp:64px;}
  .nav-search{max-width:260px;}
  .check-grid{grid-template-columns:repeat(2,1fr);}
  .qa-layout{grid-template-columns:1fr;}
  .form-card{position:static;}
  .secure-layout{grid-template-columns:1fr;gap:28px;}
  .metrics-band{grid-template-columns:repeat(2,1fr);padding:28px;}
  .channel-grid{grid-template-columns:repeat(2,1fr);}
  .page-hero .hero-inner{grid-template-columns:1fr;gap:32px;padding:56px 24px 60px;}
  .hero-stats{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:768px){
  :root{--sp:48px;}
  .container{padding:0 16px;}
  .nav-top{height:56px;gap:12px;}
  .nav-search{display:none;}
  .search-toggle{display:inline-flex;order:2;}
  .nav-actions{order:3;}
  .nav-actions .btn-ghost{display:none;}
  .nav-actions .btn{height:38px;padding:0 16px;font-size:13px;}
  .logo-text{font-size:15px;}
  .logo-text span{font-size:10px;letter-spacing:1px;}
  .logo-mark{width:34px;height:34px;border-radius:10px;font-size:13px;}
  .nav-tabs{height:48px;}
  .hero-stats{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .channel-grid{grid-template-columns:1fr;}
  .metrics-band{grid-template-columns:1fr;gap:18px;border-radius:20px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px;border-radius:20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .mobile-cta{display:block;}
  .to-top{bottom:82px;}
  .section-head.row{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:520px){
  .page-hero h1{font-size:27px;}
  .hero-actions .btn{flex:1 1 100%;}
  .stat-card{flex-direction:column;align-items:flex-start;gap:6px;}
  .faq-item summary{font-size:15px;padding:16px;}
  .form-card{padding:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}