/* roulang page: index */
:root{
  --ml-red:#C8102E;
  --ml-red-dark:#9D0B24;
  --ml-red-light:#E84A5F;
  --ml-gold:#D4A853;
  --ml-gold-light:#EACB8C;
  --ml-dark:#14151A;
  --ml-dark-2:#1D1E25;
  --ml-bg:#F6F7FA;
  --ml-card:#FFFFFF;
  --ml-text:#23242B;
  --ml-text-light:#565765;
  --ml-muted:#8A8B99;
  --ml-border:#E7E7EF;
  --ml-radius-s:10px;
  --ml-radius:14px;
  --ml-radius-l:22px;
  --ml-shadow-s:0 4px 16px rgba(20,21,26,.05);
  --ml-shadow-m:0 12px 34px rgba(20,21,26,.08);
  --ml-shadow-l:0 26px 60px rgba(20,21,26,.12);
  --ml-space:80px;
  --ml-space-s:48px;
  --ml-font:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--ml-font);
  background:var(--ml-bg);
  color:var(--ml-text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color .25s ease}
a:hover{color:var(--ml-red)}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit}
.container{max-width:1280px}
.section{padding:var(--ml-space) 0}
.section-alt{background:var(--ml-card)}
.section-head{max-width:720px;margin:0 auto 48px;text-align:center}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,rgba(200,16,46,.08),rgba(212,168,83,.1));
  color:var(--ml-red);
  font-size:13px;font-weight:700;letter-spacing:1.5px;
  padding:7px 18px;border-radius:100px;margin-bottom:16px;
  border:1px solid rgba(200,16,46,.16);
}
.section-title{font-size:34px;font-weight:800;color:var(--ml-dark);line-height:1.3;letter-spacing:-.5px;margin-bottom:14px}
.section-desc{color:var(--ml-text-light);font-size:16px;line-height:1.8}
.text-red{color:var(--ml-red)}
.text-gold{color:var(--ml-gold)}
.bg-dark{background:var(--ml-dark)}

/* ---------- Header ---------- */
.site-header{
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--ml-border);
  position:sticky;top:0;z-index:1050;
  box-shadow:0 2px 12px rgba(20,21,26,.04);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;padding:14px 0;
  flex-wrap:wrap;
}
.brand-logo{
  display:flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;color:var(--ml-dark);
  letter-spacing:-.4px;white-space:nowrap;
}
.brand-logo .logo-badge{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--ml-red),var(--ml-red-dark));
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;
  box-shadow:0 4px 12px rgba(200,16,46,.3);
}
.brand-logo small{display:block;font-size:11px;font-weight:600;color:var(--ml-muted);letter-spacing:.6px}
.header-search{
  flex:1;max-width:560px;
  display:flex;align-items:center;
  background:var(--ml-bg);
  border:1.5px solid var(--ml-border);
  border-radius:100px;
  padding:5px 6px 5px 18px;
  transition:all .3s ease;
}
.header-search:focus-within{
  border-color:var(--ml-red);
  background:#fff;
  box-shadow:0 0 0 4px rgba(200,16,46,.08);
}
.header-search i{color:var(--ml-muted);font-size:14px;margin-right:12px}
.header-search input{
  flex:1;border:none;background:transparent;outline:none;
  font-size:14px;color:var(--ml-text);min-width:0;
}
.header-search input::placeholder{color:var(--ml-muted)}
.header-search .search-btn{
  border:none;background:linear-gradient(135deg,var(--ml-red),var(--ml-red-dark));
  color:#fff;font-size:13px;font-weight:600;
  padding:8px 22px;border-radius:100px;
  transition:all .25s ease;white-space:nowrap;
}
.header-search .search-btn:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(200,16,46,.3)}
.header-right{display:flex;align-items:center;gap:12px}
.header-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--ml-dark);
  padding:8px 18px;border-radius:100px;
  background:var(--ml-bg);border:1px solid var(--ml-border);
  transition:all .25s ease;white-space:nowrap;
}
.header-link:hover{background:var(--ml-red);border-color:var(--ml-red);color:#fff;transform:translateY(-1px);box-shadow:0 6px 16px rgba(200,16,46,.24)}
.main-nav{
  border-top:1px solid var(--ml-border);
  background:#fff;
}
.main-nav .nav-wrap{display:flex;align-items:center;gap:4px;padding:6px 0}
.nav-link-custom{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:600;color:var(--ml-text-light);
  padding:8px 18px;border-radius:100px;
  transition:all .25s ease;position:relative;
}
.nav-link-custom i{font-size:13px;opacity:.8}
.nav-link-custom:hover{color:var(--ml-red);background:rgba(200,16,46,.06)}
.nav-link-custom.active{
  color:#fff;background:linear-gradient(135deg,var(--ml-red),var(--ml-red-dark));
  box-shadow:0 5px 16px rgba(200,16,46,.26);
}
.nav-link-custom.active:hover{color:#fff}
.nav-toggle{
  display:none;border:none;background:var(--ml-bg);
  width:42px;height:42px;border-radius:12px;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
  border:1px solid var(--ml-border);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ml-dark);border-radius:2px;transition:all .3s ease}
.nav-toggle.open span:nth-child(1){transform:rotate(45deg) translate(4px,4px)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:rotate(-45deg) translate(4px,-4px)}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:linear-gradient(105deg,rgba(16,16,22,.78) 0%,rgba(16,16,22,.58) 45%,rgba(16,16,22,.18) 100%),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:110px 0 90px;
  color:#fff;
  overflow:hidden;
}
.hero::after{
  content:'';position:absolute;left:0;bottom:0;width:100%;height:5px;
  background:linear-gradient(90deg,var(--ml-red),var(--ml-gold),var(--ml-red));
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.13);
  border:1px solid rgba(255,255,255,.22);
  backdrop-filter:blur(8px);
  color:#fff;font-size:13px;font-weight:600;
  padding:8px 20px;border-radius:100px;margin-bottom:22px;
  letter-spacing:.5px;
}
.hero-badge i{color:var(--ml-gold)}
.hero h1{
  font-size:52px;font-weight:900;line-height:1.2;
  letter-spacing:-1px;margin-bottom:18px;
  text-shadow:0 4px 22px rgba(0,0,0,.24);
}
.hero h1 .highlight{
  background:linear-gradient(120deg,#fff,var(--ml-gold));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero-sub{
  font-size:17px;color:rgba(255,255,255,.85);
  max-width:570px;line-height:1.8;margin-bottom:32px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn-hero{
  display:inline-flex;align-items:center;gap:10px;
  background:linear-gradient(135deg,var(--ml-red),var(--ml-red-dark));
  color:#fff;font-size:15px;font-weight:700;
  padding:14px 30px;border-radius:100px;
  border:none;transition:all .3s ease;
  box-shadow:0 8px 24px rgba(200,16,46,.35);
}
.btn-hero:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(200,16,46,.44);color:#fff}
.btn-ghost{
  display:inline-flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.08);
  border:1.5px solid rgba(255,255,255,.35);
  backdrop-filter:blur(8px);
  color:#fff;font-size:15px;font-weight:600;
  padding:14px 30px;border-radius:100px;
  transition:all .3s ease;
}
.btn-ghost:hover{background:rgba(255,255,255,.16);border-color:#fff;color:#fff;transform:translateY(-2px)}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  margin-top:56px;
}
.hero-stat{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(10px);
  border-radius:var(--ml-radius);
  padding:18px 16px;text-align:center;
  transition:all .3s ease;
}
.hero-stat:hover{background:rgba(255,255,255,.14);transform:translateY(-3px)}
.hero-stat .num{font-size:26px;font-weight:800;color:#fff;line-height:1.2}
.hero-stat .num span{color:var(--ml-gold)}
.hero-stat .label{font-size:12px;color:rgba(255,255,255,.65);margin-top:4px}

/* ---------- Feature Cards ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{
  background:var(--ml-card);
  border:1px solid var(--ml-border);
  border-radius:var(--ml-radius-l);
  padding:30px 24px;
  transition:all .32s ease;
  position:relative;overflow:hidden;
}
.feature-card::before{
  content:'';position:absolute;top:0;left:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--ml-red),var(--ml-gold));
  transform:scaleX(0);transform-origin:left;
  transition:transform .35s ease;
}
.feature-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--ml-shadow-m);
  border-color:rgba(200,16,46,.2);
}
.feature-card:hover::before{transform:scaleX(1)}
.feature-icon{
  width:56px;height:56px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:20px;
  background:linear-gradient(135deg,rgba(200,16,46,.1),rgba(212,168,83,.12));
  color:var(--ml-red);
  transition:all .3s ease;
}
.feature-card:hover .feature-icon{
  background:linear-gradient(135deg,var(--ml-red),var(--ml-red-dark));
  color:#fff;
  box-shadow:0 8px 20px rgba(200,16,46,.26);
}
.feature-card h3{font-size:18px;font-weight:700;margin-bottom:10px;color:var(--ml-dark)}
.feature-card p{font-size:14px;color:var(--ml-text-light);line-height:1.7;margin:0}

/* ---------- Category Cards ---------- */
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.category-card{
  position:relative;border-radius:var(--ml-radius-l);
  overflow:hidden;display:block;
  box-shadow:var(--ml-shadow-s);
  transition:all .35s ease;
  background:var(--ml-dark);
}
.category-card:hover{transform:translateY(-6px);box-shadow:var(--ml-shadow-l)}
.category-card img{
  width:100%;height:300px;object-fit:cover;
  transition:transform .5s ease;opacity:.72;
}
.category-card:hover img{transform:scale(1.05);opacity:.5}
.category-overlay{
  position:absolute;left:0;bottom:0;width:100%;
  padding:28px;
  background:linear-gradient(to top,rgba(0,0,0,.86) 0%,rgba(0,0,0,.3) 62%,transparent);
  color:#fff;
}
.category-overlay .cat-tag{
  display:inline-block;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.22);
  font-size:12px;font-weight:600;padding:5px 14px;
  border-radius:100px;margin-bottom:12px;
  backdrop-filter:blur(6px);
}
.category-overlay h3{font-size:21px;font-weight:800;margin-bottom:6px}
.category-overlay p{font-size:13px;color:rgba(255,255,255,.75);line-height:1.6;margin:0}
.category-card .cat-arrow{
  position:absolute;top:20px;right:20px;
  width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.25);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:14px;
  backdrop-filter:blur(6px);
  transition:all .3s ease;
}
.category-card:hover .cat-arrow{background:var(--ml-red);border-color:var(--ml-red);transform:rotate(-45deg)}

/* ---------- CMS Post Cards ---------- */
.posts-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.post-card{
  background:var(--ml-card);
  border:1px solid var(--ml-border);
  border-radius:var(--ml-radius-l);
  padding:26px 28px;
  transition:all .3s ease;
  display:flex;flex-direction:column;
  position:relative;overflow:hidden;
}
.post-card::after{
  content:'';position:absolute;left:0;top:0;height:100%;width:3px;
  background:linear-gradient(180deg,var(--ml-red),var(--ml-gold));
  opacity:0;transition:opacity .3s ease;
}
.post-card:hover{box-shadow:var(--ml-shadow-m);transform:translateY(-4px);border-color:rgba(200,16,46,.16)}
.post-card:hover::after{opacity:1}
.post-cat{
  display:inline-flex;align-items:center;gap:5px;
  font-size:12px;font-weight:700;color:var(--ml-red);
  background:rgba(200,16,46,.08);
  padding:4px 13px;border-radius:100px;
  margin-bottom:14px;align-self:flex-start;
  border:1px solid rgba(200,16,46,.1);
}
.post-title{font-size:19px;font-weight:700;line-height:1.45;margin-bottom:10px;color:var(--ml-dark)}
.post-title a{color:inherit}
.post-title a:hover{color:var(--ml-red)}
.post-excerpt{font-size:14px;color:var(--ml-text-light);line-height:1.75;margin-bottom:16px;flex:1}
.post-meta{display:flex;align-items:center;gap:16px;font-size:12px;color:var(--ml-muted)}
.post-meta i{font-size:11px}
.empty-tip{
  text-align:center;color:var(--ml-muted);font-size:15px;
  padding:60px 20px;background:var(--ml-card);
  border-radius:var(--ml-radius-l);border:1px dashed var(--ml-border);
}

/* ---------- Process ---------- */
.process-section{background:linear-gradient(135deg,#14151A 0%,#1D1E25 60%,#2A1B1E 100%);color:#fff;position:relative;overflow:hidden}
.process-section::before{
  content:'';position:absolute;right:-100px;top:-100px;width:380px;height:380px;
  background:radial-gradient(circle,rgba(200,16,46,.22),transparent 70%);
  border-radius:50%;
}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;z-index:1}
.process-step{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.09);
  border-radius:var(--ml-radius-l);
  padding:32px 24px;
  position:relative;
  transition:all .3s ease;
}
.process-step:hover{background:rgba(255,255,255,.09);transform:translateY(-4px)}
.process-num{
  font-size:46px;font-weight:900;
  color:transparent;
  -webkit-text-stroke:1.5px rgba(212,168,83,.75);
  margin-bottom:14px;
  line-height:1;
}
.process-step h3{font-size:17px;font-weight:700;margin-bottom:10px;color:#fff}
.process-step p{font-size:13px;color:rgba(255,255,255,.6);line-height:1.7;margin:0}
.process-step i{
  position:absolute;top:22px;right:22px;font-size:18px;
  color:rgba(255,255,255,.22);
}

/* ---------- Ranking / Popular ---------- */
.rank-wrap{max-width:760px;margin:0 auto}
.rank-card{
  display:flex;align-items:center;gap:18px;
  background:var(--ml-card);
  border:1px solid var(--ml-border);
  border-radius:var(--ml-radius);
  padding:16px 22px;
  margin-bottom:14px;
  transition:all .3s ease;
}
.rank-card:hover{transform:translateX(6px);box-shadow:var(--ml-shadow-s);border-color:rgba(200,16,46,.15)}
.rank-num{
  width:34px;height:34px;border-radius:10px;
  background:var(--ml-bg);color:var(--ml-text-light);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;flex-shrink:0;
  border:1px solid var(--ml-border);
}
.rank-card:nth-child(1) .rank-num,
.rank-card:nth-child(2) .rank-num,
.rank-card:nth-child(3) .rank-num{
  background:linear-gradient(135deg,var(--ml-red),var(--ml-red-dark));
  color:#fff;border-color:transparent;
  box-shadow:0 4px 12px rgba(200,16,46,.25);
}
.rank-body{flex:1;min-width:0}
.rank-body h4{font-size:15px;font-weight:600;color:var(--ml-dark);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-body .rank-desc{font-size:12px;color:var(--ml-muted);margin-top:2px}
.rank-hot{
  display:inline-flex;align-items:center;gap:5px;
  font-size:12px;font-weight:600;color:var(--ml-red);
  background:rgba(200,16,46,.07);
  padding:5px 13px;border-radius:100px;
  white-space:nowrap;flex-shrink:0;
}
.rank-hot i{font-size:11px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--ml-card);
  border:1px solid var(--ml-border);
  border-radius:var(--ml-radius);
  margin-bottom:14px;
  overflow:hidden;
  transition:box-shadow .3s ease;
}
.faq-item:hover{box-shadow:var(--ml-shadow-s)}
.faq-item.active{border-color:rgba(200,16,46,.2)}
.faq-question{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:none;text-align:left;
  padding:20px 24px;font-size:15px;font-weight:600;color:var(--ml-dark);
}
.faq-question .faq-icon{
  width:28px;height:28px;border-radius:50%;
  background:var(--ml-bg);border:1px solid var(--ml-border);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;color:var(--ml-muted);
  transition:all .35s ease;flex-shrink:0;
}
.faq-item.active .faq-icon{
  background:var(--ml-red);border-color:var(--ml-red);color:#fff;
  transform:rotate(45deg);
}
.faq-answer{
  max-height:0;overflow:hidden;
  transition:max-height .4s ease;
  padding:0 24px;
}
.faq-answer p{padding-bottom:20px;font-size:14px;color:var(--ml-text-light);line-height:1.8;margin:0}

/* ---------- CTA ---------- */
.cta-section{
  background:linear-gradient(120deg,var(--ml-red) 0%,var(--ml-red-dark) 100%);
  border-radius:var(--ml-radius-l);
  padding:64px 56px;
  color:#fff;position:relative;overflow:hidden;
  text-align:center;
}
.cta-section::before{
  content:'';position:absolute;left:-80px;top:-80px;width:260px;height:260px;
  background:radial-gradient(circle,rgba(255,255,255,.13),transparent 70%);
}
.cta-section::after{
  content:'';position:absolute;right:-40px;bottom:-100px;width:300px;height:300px;
  background:radial-gradient(circle,rgba(212,168,83,.2),transparent 70%);
}
.cta-section .container{position:relative;z-index:1}
.cta-section h2{font-size:30px;font-weight:800;margin-bottom:12px}
.cta-section p{color:rgba(255,255,255,.82);font-size:15px;max-width:560px;margin:0 auto 30px}
.btn-cta{
  display:inline-flex;align-items:center;gap:10px;
  background:#fff;color:var(--ml-red);
  font-size:15px;font-weight:700;
  padding:14px 36px;border-radius:100px;border:none;
  transition:all .3s ease;
  box-shadow:0 10px 30px rgba(0,0,0,.18);
}
.btn-cta:hover{transform:translateY(-2px) scale(1.03);box-shadow:0 16px 42px rgba(0,0,0,.24);color:var(--ml-red-dark)}
.btn-cta-outline{
  display:inline-flex;align-items:center;gap:10px;
  background:transparent;color:#fff;
  font-size:15px;font-weight:600;
  padding:14px 36px;border-radius:100px;
  border:1.5px solid rgba(255,255,255,.55);
  transition:all .3s ease;
  margin-left:14px;
}
.btn-cta-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:translateY(-2px)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ml-dark);color:rgba(255,255,255,.7);padding:64px 0 0}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:48px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.09)}
.footer-brand .brand-logo{color:#fff;margin-bottom:14px}
.footer-brand .brand-logo .logo-badge{background:linear-gradient(135deg,var(--ml-red),var(--ml-red-dark))}
.footer-brand p{font-size:13px;line-height:1.8;max-width:360px;color:rgba(255,255,255,.5)}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:20px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:'';position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--ml-gold);border-radius:2px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{font-size:13px;color:rgba(255,255,255,.55);transition:all .25s ease;display:inline-flex;align-items:center;gap:8px}
.footer-col ul li a:hover{color:var(--ml-gold);transform:translateX(4px)}
.footer-col ul li a i{font-size:10px;opacity:.6}
.footer-bottom{
  padding:24px 0;text-align:center;
  font-size:12px;color:rgba(255,255,255,.36);
  display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;
}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:var(--ml-gold)}

/* ---------- Scroll top ---------- */
.scroll-top{
  position:fixed;right:28px;bottom:28px;z-index:1040;
  width:44px;height:44px;border-radius:12px;
  background:var(--ml-red);color:#fff;border:none;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;opacity:0;visibility:hidden;
  transition:all .35s ease;
  box-shadow:0 8px 24px rgba(200,16,46,.32);
}
.scroll-top.show{opacity:1;visibility:visible}
.scroll-top:hover{transform:translateY(-3px);background:var(--ml-red-dark)}

/* ---------- Section title with left marker ---------- */
.section-title-left{font-size:28px;font-weight:800;color:var(--ml-dark);line-height:1.35;margin-bottom:10px;position:relative;padding-left:18px}
.section-title-left::before{content:'';position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:linear-gradient(180deg,var(--ml-red),var(--ml-gold))}

/* ---------- Responsive ---------- */
@media(max-width:1199px){
  .feature-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:991px){
  :root{--ml-space:60px}
  .hero h1{font-size:40px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .category-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .posts-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
  .header-search{order:3;max-width:100%;flex-basis:100%}
  .header-right{display:none}
  .main-nav{display:none}
  .main-nav.open{display:block}
  .main-nav .nav-wrap{flex-direction:column;align-items:flex-start;padding:10px 0}
  .nav-link-custom{width:100%;border-radius:10px}
  .nav-toggle{display:flex}
}
@media(max-width:767px){
  :root{--ml-space:48px}
  .section-title{font-size:27px}
  .hero{padding:72px 0 60px}
  .hero h1{font-size:32px}
  .hero-sub{font-size:15px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero .btn-hero,.hero .btn-ghost{justify-content:center}
  .feature-grid{grid-template-columns:1fr 1fr;gap:16px}
  .category-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr;gap:16px}
  .posts-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:36px}
  .cta-section{padding:48px 28px}
  .cta-section h2{font-size:24px}
  .btn-cta-outline{margin-left:0;margin-top:12px}
  .section-head{margin-bottom:32px}
  .post-card{padding:22px}
}
@media(max-width:520px){
  .feature-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr 1fr;gap:12px}
  .hero-stat .num{font-size:21px}
  .brand-logo{font-size:16px}
  .brand-logo .logo-badge{width:32px;height:32px;font-size:14px;border-radius:8px}
  .header-search{padding-left:14px}
  .header-search input{font-size:13px}
  .rank-card{flex-wrap:wrap;gap:10px}
  .rank-hot{display:none}
  .faq-question{font-size:14px;padding:16px}
  .faq-answer{padding:0 16px}
  .cta-section{padding:40px 20px}
  .btn-cta,.btn-cta-outline{width:100%;justify-content:center}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
    --primary: #1a56db;
    --primary-dark: #143d9e;
    --primary-light: #e8efff;
    --accent: #f5a623;
    --accent-dark: #dd8b0a;
    --dark: #0f1c3a;
    --dark-bg: #111b33;
    --bg: #f5f8fd;
    --white: #ffffff;
    --text: #1b2a4a;
    --text-light: #5b6b8c;
    --text-muted: #8a97b0;
    --border: #e4eaf3;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --shadow-sm: 0 2px 10px rgba(15, 28, 58, 0.06);
    --shadow-md: 0 8px 30px rgba(15, 28, 58, 0.08);
    --shadow-lg: 0 16px 48px rgba(15, 28, 58, 0.12);
    --transition: all 0.25s ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
a { text-decoration: none; color: inherit; }
a:hover { color: var(--primary); transition: var(--transition); }
img { max-width: 100%; height: auto; }
ul, ol { list-style: none; margin: 0; padding: 0; }
input, button { font-family: inherit; }

.container { max-width: 1200px; padding-left: 20px; padding-right: 20px; }

::selection { background: var(--primary); color: #fff; }
:focus-visible { outline: 3px solid rgba(26, 86, 219, 0.4); outline-offset: 2px; border-radius: 4px; }

/* ===== Header ===== */
.site-header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 12px rgba(15,28,58,0.04);
}
.header-inner {
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 14px 0;
    flex-wrap: wrap;
}
.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: 0.5px;
    white-space: nowrap;
}
.brand-logo small {
    display: block;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-top: 2px;
}
.logo-badge {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), #3b74f0);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    box-shadow: 0 4px 14px rgba(26, 86, 219, 0.3);
    flex-shrink: 0;
}
.header-search {
    flex: 1;
    display: flex;
    align-items: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 6px 6px 6px 18px;
    min-width: 260px;
    transition: var(--transition);
}
.header-search:hover, .header-search:focus-within {
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(26,86,219,0.08);
}
.header-search i { color: var(--text-muted); font-size: 14px; margin-right: 8px; }
.header-search input {
    border: none;
    background: transparent;
    outline: none;
    flex: 1;
    font-size: 14px;
    color: var(--text);
}
.header-search input::placeholder { color: var(--text-muted); }
.search-btn {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 50px;
    padding: 8px 18px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
.search-btn:hover { background: var(--primary-dark); }
.header-right { display: flex; align-items: center; gap: 16px; }
.header-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-light);
    padding: 8px 14px;
    border-radius: 50px;
    background: var(--bg);
    border: 1px solid var(--border);
    transition: var(--transition);
}
.header-link:hover {
    background: var(--primary-light);
    color: var(--primary);
    border-color: rgba(26,86,219,0.2);
}
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    margin: 5px 0;
    border-radius: 4px;
    transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.main-nav {
    background: var(--dark-bg);
    border-top: 1px solid rgba(255,255,255,0.05);
}
.nav-wrap {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0;
    overflow-x: auto;
    scrollbar-width: none;
}
.nav-wrap::-webkit-scrollbar { display: none; }
.nav-link-custom {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.75);
    font-size: 15px;
    font-weight: 600;
    padding: 14px 22px;
    border-radius: 0;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
}
.nav-link-custom:hover {
    color: #fff;
    background: rgba(255,255,255,0.06);
}
.nav-link-custom.active {
    color: #fff;
    border-bottom-color: var(--accent);
    background: linear-gradient(180deg, rgba(26,86,219,0.25), transparent);
}

/* ===== 内页 Hero ===== */
.page-hero {
    background: linear-gradient(135deg, #0f1c3a 0%, #1a2f5d 55%, #1a56db 130%);
    position: relative;
    padding: 76px 0 64px;
    color: #fff;
    overflow: hidden;
}
.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    opacity: 0.12;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.3;
    letter-spacing: 1px;
}
.page-hero h1 span { color: var(--accent); }
.page-hero p {
    font-size: 17px;
    color: rgba(255,255,255,0.8);
    max-width: 720px;
    margin-bottom: 32px;
    line-height: 1.8;
}
.hero-badge {
    display: inline-block;
    background: rgba(245, 166, 35, 0.15);
    border: 1px solid rgba(245,166,35,0.5);
    color: var(--accent);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

/* ===== 页面通用板块 ===== */
.section {
    padding: 80px 0;
}
.section-head {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 52px;
}
.section-head .tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 5px 16px;
    border-radius: 50px;
    margin-bottom: 16px;
}
.section-head h2 {
    font-size: 34px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 14px;
    line-height: 1.3;
}
.section-head p {
    color: var(--text-light);
    font-size: 16px;
}

/* ===== 快速导航卡片 ===== */
.quick-grid .card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
    background: var(--white);
}
.quick-grid .card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-6px);
    border-color: rgba(26,86,219,0.2);
}
.quick-grid .card-body { padding: 30px 24px; }
.quick-grid .icon-wrap {
    width: 52px;
    height: 52px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 18px;
    transition: var(--transition);
}
.quick-grid .card:hover .icon-wrap {
    background: var(--primary);
    color: #fff;
    transform: rotateY(180deg);
}
.quick-grid h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.quick-grid p { font-size: 14px; color: var(--text-light); margin-bottom: 0; line-height: 1.7; }

/* ===== 问题卡片列表 ===== */
.issue-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0;
    overflow: hidden;
    transition: var(--transition);
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}
.issue-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.issue-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 22px 26px;
    cursor: pointer;
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}
.issue-card-header .num {
    width: 38px;
    height: 38px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 10px;
    font-weight: 700;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.issue-card-header h3 { font-size: 18px; font-weight: 700; margin: 0; flex: 1; }
.issue-card-header .arrow {
    color: var(--text-muted);
    transition: var(--transition);
    font-size: 14px;
}
.issue-card.active .issue-card-header .arrow { transform: rotate(180deg); }
.issue-card.active .issue-card-header { border-bottom-color: var(--border); }
.issue-card-body {
    padding: 0 26px 24px 78px;
    display: none;
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.85;
}
.issue-card.active .issue-card-body { display: block; }
.issue-card-body ul { padding-left: 4px; }
.issue-card-body ul li { position: relative; padding-left: 20px; margin-bottom: 8px; }
.issue-card-body ul li::before {
    content: "\f058";
    font-family: "Font Awesome 6 Free";
    font-weight: 400;
    position: absolute;
    left: 0;
    top: 3px;
    color: var(--primary);
    font-size: 13px;
}

/* ===== 流程步骤 ===== */
.steps-row { counter-reset: step; }
.step-box {
    text-align: center;
    padding: 36px 24px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    position: relative;
    transition: var(--transition);
    height: 100%;
}
.step-box:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.step-num {
    width: 52px;
    height: 52px;
    margin: 0 auto 18px;
    background: linear-gradient(135deg, var(--primary), #3b74f0);
    color: #fff;
    border-radius: 50%;
    font-size: 20px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 18px rgba(26,86,219,0.3);
}
.step-box h4 { font-size: 16px; font-weight: 700; margin-bottom: 10px; }
.step-box p { font-size: 14px; color: var(--text-light); margin: 0; }
.step-arrow {
    position: absolute;
    right: -18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary);
    font-size: 16px;
    z-index: 2;
}
@media (max-width: 991px) { .step-arrow { display: none; } }

/* ===== 对照表格样式 ===== */
.compat-table {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    overflow: hidden;
}
.compat-table .table {
    margin: 0;
    color: var(--text);
    vertical-align: middle;
}
.compat-table .table thead th {
    background: var(--primary-light);
    color: var(--primary-dark);
    font-weight: 700;
    font-size: 15px;
    border-bottom: none;
    padding: 14px 16px;
}
.compat-table .table tbody td {
    padding: 14px 16px;
    font-size: 14px;
    border-color: var(--border);
    color: var(--text-light);
}
.compat-table .badge { font-size: 12px; font-weight: 600; padding: 5px 12px; border-radius: 50px; }

/* ===== 数据统计 ===== */
.stat-block {
    background: var(--primary);
    background-image: linear-gradient(135deg, #123a99 0%, #1a56db 100%);
    border-radius: var(--radius-lg);
    padding: 50px;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.stat-block::before {
    content: "";
    position: absolute;
    right: -60px;
    top: -60px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
}
.stat-block::after {
    content: "";
    position: absolute;
    right: 30px;
    bottom: -100px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
}
.stat-item { text-align: center; padding: 20px 10px; position: relative; z-index: 1; }
.stat-item .num { font-size: 42px; font-weight: 800; line-height: 1.2; }
.stat-item .label { font-size: 14px; color: rgba(255,255,255,0.75); margin-top: 6px; letter-spacing: 1px; }

/* ===== 紧急帮助卡片 ===== */
.help-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 34px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
}
.help-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.help-card .icon-lg {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}
.help-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.help-card p { font-size: 14px; color: var(--text-light); margin-bottom: 16px; }
.help-card .btn { padding: 8px 18px; font-size: 14px; font-weight: 600; border-radius: 50px; }

/* ===== FAQ ===== */
.faq-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px 28px;
    margin-bottom: 16px;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}
.faq-item:hover { box-shadow: var(--shadow-md); border-color: rgba(26,86,219,0.2); }
.faq-item h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 10px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.faq-item h4 i { color: var(--primary); font-size: 18px; margin-top: 2px; }
.faq-item p { color: var(--text-light); font-size: 15px; margin: 0; line-height: 1.8; }

/* ===== CTA 区域 ===== */
.cta-section {
    background: linear-gradient(135deg, #0f1c3a, #1a2f5d);
    padding: 70px 0;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    opacity: 0.08;
}
.cta-section .container { position: relative; z-index: 1; }
.cta-box { text-align: center; max-width: 640px; margin: 0 auto; }
.cta-box h2 { color: #fff; font-size: 34px; font-weight: 800; margin-bottom: 16px; }
.cta-box p { color: rgba(255,255,255,0.75); font-size: 16px; margin-bottom: 32px; }
.btn-light-custom {
    background: #fff;
    color: var(--primary);
    border: none;
    border-radius: 50px;
    padding: 14px 36px;
    font-size: 16px;
    font-weight: 700;
    transition: var(--transition);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.btn-light-custom:hover {
    background: var(--accent);
    color: var(--dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.2);
}
.btn-outline-light-custom {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.5);
    color: #fff;
    border-radius: 50px;
    padding: 13px 30px;
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-outline-light-custom:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border-color: #fff;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--dark-bg);
    color: rgba(255,255,255,0.65);
    padding: 60px 0 0;
    margin-top: 0;
}
.footer-top {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .brand-logo { color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.8; margin-top: 16px; color: rgba(255,255,255,0.55); max-width: 340px; }
.footer-col h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
}
.footer-col h4::after {
    content: "";
    display: block;
    width: 24px;
    height: 3px;
    background: var(--accent);
    margin-top: 8px;
    border-radius: 4px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
    color: rgba(255,255,255,0.55);
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}
.footer-col ul li a:hover { color: #fff; padding-left: 4px; }
.footer-col ul li a i { font-size: 11px; color: var(--accent); }
.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    padding: 24px 0;
    font-size: 13px;
    color: rgba(255,255,255,0.35);
    text-align: center;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .header-search { min-width: 200px; }
    .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .header-inner { gap: 16px; }
    .header-search { order: 3; flex-basis: calc(100% - 60px); min-width: 0; }
    .header-right { margin-left: auto; }
    .nav-toggle { display: block; order: 2; }
    .main-nav { display: none; }
    .main-nav.open { display: block; }
    .nav-wrap { flex-direction: column; align-items: stretch; padding: 8px 0; }
    .nav-link-custom {
        padding: 14px 20px;
        border-left: 3px solid transparent;
        border-bottom: none;
        border-radius: 8px;
    }
    .nav-link-custom.active {
        border-left-color: var(--accent);
        background: rgba(26,86,219,0.15);
    }
    .page-hero { padding: 52px 0 48px; }
    .page-hero h1 { font-size: 30px; }
    .section { padding: 56px 0; }
    .section-head h2 { font-size: 26px; }
    .stat-block { padding: 32px 20px; }
    .stat-item .num { font-size: 30px; }
    .issue-card-body { padding: 0 20px 20px 20px; }
    .issue-card-header { padding: 18px 20px; }
    .footer-top { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 576px) {
    .brand-logo { font-size: 17px; }
    .brand-logo .logo-badge { width: 38px; height: 38px; font-size: 17px; }
    .brand-logo small { font-size: 10px; }
    .header-link { padding: 7px 12px; font-size: 13px; }
    .page-hero h1 { font-size: 26px; }
    .hero-badge { font-size: 12px; padding: 5px 12px; }
    .quick-grid .card-body { padding: 22px 18px; }
    .issue-card-header h3 { font-size: 15px; }
    .issue-card-header .num { text-align: center; width: 32px; height: 32px; font-size: 13px; }
    .stat-block { border-radius: var(--radius); }
    .btn-light-custom, .btn-outline-light-custom { width: 100%; justify-content: center; }
    .footer-bottom { flex-direction: column; gap: 4px; }
}

/* roulang page: category2 */
:root {
  --primary: #0b6e4f;
  --primary-dark: #094c38;
  --primary-light: #e8f5f0;
  --secondary: #f59e0b;
  --secondary-light: #fef3c7;
  --dark: #0f172a;
  --body-bg: #f8fafc;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --card-bg: #ffffff;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);
  --transition: all 0.3s ease;
  --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family);
  background: var(--body-bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary);
}

button {
  font-family: inherit;
}

input,
button {
  font-family: inherit;
}

/* 容器 */
.container {
  max-width: 1200px;
  padding-left: 20px;
  padding-right: 20px;
}

/* 头部 */
.site-header {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 16px 0;
  position: relative;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-logo span {
  display: flex;
  flex-direction: column;
  font-size: 20px;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: 0.5px;
  line-height: 1.2;
}

.brand-logo small {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-top: 2px;
}

.logo-badge {
  width: 42px;
  height: 42px;
  min-width: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), #0d8a63);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  box-shadow: 0 4px 16px rgba(11, 110, 79, 0.35);
}

.header-search {
  flex: 1;
  display: flex;
  align-items: center;
  background: var(--body-bg);
  border: 1.5px solid var(--border);
  border-radius: 50px;
  padding: 4px 6px 4px 18px;
  max-width: 520px;
  margin: 0 auto;
  transition: var(--transition);
}

.header-search:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(11, 110, 79, 0.1);
  background: #fff;
}

.header-search i {
  color: var(--text-muted);
  font-size: 15px;
  margin-right: 12px;
}

.header-search input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 14px;
  color: var(--text);
  min-width: 0;
}

.header-search input::placeholder {
  color: #94a3b8;
}

.search-btn {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 30px;
  padding: 8px 22px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.search-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
  padding: 10px 16px;
  border-radius: 50px;
  border: 1.5px solid var(--border);
  transition: var(--transition);
  white-space: nowrap;
}

.header-link:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  background: transparent;
  cursor: pointer;
  padding: 0 10px;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--dark);
  border-radius: 4px;
  transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 主导航 */
.main-nav {
  background: var(--dark);
  border-top: none;
}

.nav-wrap {
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 0;
}

.nav-wrap::-webkit-scrollbar {
  display: none;
}

.nav-link-custom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  transition: var(--transition);
  position: relative;
}

.nav-link-custom i {
  font-size: 14px;
  opacity: 0.8;
}

.nav-link-custom:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.nav-link-custom.active {
  color: #fff;
  font-weight: 600;
  border-bottom-color: var(--secondary);
  background: rgba(245, 158, 11, 0.1);
}

/* 页面横幅 */
.page-banner {
  background: linear-gradient(135deg, rgba(11, 110, 79, 0.95), rgba(9, 76, 56, 0.92)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 72px 0;
  color: #fff;
  position: relative;
}

.page-banner .container {
  position: relative;
  z-index: 2;
}

.page-banner h1 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.page-banner p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  margin-bottom: 20px;
}

.banner-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.banner-tags span {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 13px;
  backdrop-filter: blur(4px);
}

/* 板块通用 */
.section {
  padding: 72px 0;
}

.section-alt {
  background: #fff;
}

.section-title {
  font-size: 30px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 16px;
  margin-bottom: 36px;
  max-width: 600px;
}

.section-title-center {
  text-align: center;
}

.section-subtitle-center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* 数据统计 */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.stat-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
}

.stat-card:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-4px);
}

.stat-number {
  font-size: 40px;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1.2;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: 0.5px;
}

/* 内容卡片 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.card-item {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.card-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(11, 110, 79, 0.3);
}

.card-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
  background: var(--primary-light);
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card-item:hover .card-thumb img {
  transform: scale(1.06);
}

.card-thumb .thumb-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--secondary);
  color: var(--dark);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 50px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.card-body-custom {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-body-custom h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
  line-height: 1.4;
  transition: color 0.3s;
}

.card-item:hover .card-body-custom h3 {
  color: var(--primary);
}

.card-body-custom p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: #94a3b8;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.card-meta i {
  font-size: 12px;
}

/* 步骤流程 */
.steps-wrapper {
  max-width: 780px;
  margin: 0 auto;
}

.step-item {
  display: flex;
  gap: 24px;
  padding: 24px 0;
  position: relative;
}

.step-item:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 27px;
  top: 80px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary-light), var(--border));
}

.step-icon {
  width: 56px;
  height: 56px;
  min-width: 56px;
  border-radius: 50%;
  background: var(--primary-light);
  border: 2px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--primary);
  font-weight: 700;
  z-index: 2;
  transition: var(--transition);
}

.step-item:hover .step-icon {
  background: var(--primary);
  color: #fff;
  transform: scale(1.05);
}

.step-content {
  padding-top: 4px;
}

.step-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}

.step-content p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

.step-note {
  margin-top: 12px;
  background: var(--secondary-light);
  border-left: 4px solid var(--secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 10px 16px;
  font-size: 13px;
  color: #92400e;
}

/* 功能列表 */
.feature-box {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  height: 100%;
  transition: var(--transition);
}

.feature-box:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: rgba(11, 110, 79, 0.3);
}

.feature-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary);
  margin-bottom: 16px;
  transition: var(--transition);
}

.feature-box:hover .feature-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(-6deg) scale(1.05);
}

.feature-box h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.feature-box p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0;
}

/* 安全等级 */
.security-panel {
  background: linear-gradient(135deg, #f8fafc, #f1f5f9);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 32px;
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.security-score {
  text-align: center;
  flex-shrink: 0;
}

.score-ring {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: conic-gradient(var(--primary) 0 85%, var(--border) 85% 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.score-ring::before {
  content: '';
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: #fff;
  position: absolute;
}

.score-ring span {
  position: relative;
  z-index: 1;
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
}

.score-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 8px;
}

.security-details {
  flex: 1;
  min-width: 260px;
}

.security-details h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--dark);
}

.security-details p {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 16px;
}

.security-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.security-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  padding: 6px 0;
  color: var(--text);
}

.security-list li i {
  color: var(--primary);
  font-size: 13px;
}

/* FAQ */
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0;
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(11, 110, 79, 0.3);
  box-shadow: var(--shadow-sm);
}

.faq-item summary {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  position: relative;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  margin-left: auto;
  color: var(--text-muted);
  font-size: 14px;
  transition: var(--transition);
}

.faq-item[open] summary::after {
  transform: rotate(180deg);
}

.faq-item summary i {
  color: var(--primary);
  font-size: 16px;
}

.faq-body {
  padding: 0 24px 20px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
  border-top: 1px dashed var(--border);
  margin-top: 0;
  padding-top: 16px;
}

/* CTA */
.cta-section {
  background: linear-gradient(120deg, var(--primary-dark), var(--primary));
  padding: 56px 0;
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity: 0.1;
}

.cta-section .container {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 12px;
}

.cta-section p {
  font-size: 16px;
  opacity: 0.85;
  margin-bottom: 28px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--secondary);
  color: var(--dark);
  border: none;
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 700;
  transition: var(--transition);
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.35);
}

.cta-btn:hover {
  background: #fbbf24;
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(245, 158, 11, 0.45);
  color: var(--dark);
}

.cta-btn i {
  font-size: 14px;
}

/* 页脚 */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.65);
  padding: 56px 0 24px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.footer-brand .brand-logo span {
  color: #fff;
  font-size: 18px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.55);
  max-width: 360px;
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 2px;
  background: var(--secondary);
  border-radius: 2px;
}

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

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.footer-col ul a:hover {
  color: var(--secondary);
  padding-left: 4px;
}

.footer-col ul a i {
  font-size: 10px;
  color: var(--secondary);
  opacity: 0.7;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding-top: 24px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  flex-wrap: wrap;
}

/* 响应式 */
@media (max-width: 992px) {
  .header-inner {
    flex-wrap: wrap;
    gap: 12px;
    padding: 14px 0;
  }

  .brand-logo {
    margin-right: auto;
  }

  .header-search {
    order: 3;
    max-width: 100%;
    width: 100%;
    margin-top: 8px;
  }

  .header-right {
    margin-left: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--dark);
    min-height: auto;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
  }

  .main-nav.open {
    display: block;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: auto;
  }

  .nav-wrap {
    flex-direction: column;
    align-items: flex-start;
    padding: 8px 0 16px;
  }

  .nav-link-custom {
    width: 100%;
    padding: 14px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .nav-link-custom.active {
    border-bottom-color: transparent;
    border-left: 3px solid var(--secondary);
    background: rgba(245, 158, 11, 0.08);
  }

  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .page-banner {
    padding: 56px 0;
  }

  .page-banner h1 {
    font-size: 30px;
  }

  .section {
    padding: 56px 0;
  }

  .section-title {
    font-size: 26px;
  }
}

@media (max-width: 768px) {
  .header-right {
    display: none;
  }

  .header-inner {
    padding: 12px 0;
  }

  .brand-logo span {
    font-size: 18px;
  }

  .header-search {
    order: 3;
  }

  .card-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .stat-number {
    font-size: 28px;
  }

  .step-item {
    gap: 16px;
  }

  .step-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    font-size: 16px;
  }

  .step-item:not(:last-child)::before {
    left: 23px;
    top: 70px;
  }

  .security-panel {
    padding: 24px;
    flex-direction: column;
    text-align: center;
  }

  .security-details {
    text-align: left;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 4px;
    text-align: center;
  }

  .page-banner h1 {
    font-size: 26px;
  }
}

@media (max-width: 520px) {
  .brand-logo span {
    font-size: 16px;
  }

  .brand-logo small {
    font-size: 11px;
  }

  .logo-badge {
    width: 36px;
    height: 36px;
    min-width: 36px;
    font-size: 16px;
  }

  .header-search {
    flex-wrap: wrap;
    border-radius: 16px;
    padding: 8px 12px;
    gap: 8px;
  }

  .header-search input {
    width: 100%;
    padding: 4px 0;
  }

  .search-btn {
    width: 100%;
    text-align: center;
    justify-content: center;
    padding: 10px;
  }

  .main-nav.open {
    top: 68px;
  }

  .page-banner {
    padding: 44px 0;
  }

  .banner-tags span {
    font-size: 12px;
  }

  .section {
    padding: 44px 0;
  }

  .section-title {
    font-size: 22px;
  }

  .stats-row {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: 1;
  }

  .security-panel {
    padding: 20px;
  }

  .score-ring {
    width: 120px;
    height: 120px;
  }

  .score-ring::before {
    width: 92px;
    height: 92px;
  }

  .score-ring span {
    font-size: 30px;
  }
}

/* roulang page: article */
:root{
  --m-primary:#d4022c;
  --m-primary-dark:#a50022;
  --m-dark:#161d2e;
  --m-deep:#0f1422;
  --m-ink:#121722;
  --m-text:#2b3345;
  --m-soft:#6b7688;
  --m-muted:#9aa3b2;
  --m-line:#e8ebf1;
  --m-bg:#f5f7fb;
  --m-white:#fff;
  --m-gold:#ffb020;
  --m-success:#16a34a;
  --m-radius-lg:20px;
  --m-radius:14px;
  --m-radius-sm:10px;
  --m-shadow-sm:0 4px 14px rgba(15,20,34,.06);
  --m-shadow:0 12px 32px rgba(15,20,34,.09);
  --m-shadow-lg:0 22px 48px rgba(15,20,34,.14);
  --m-font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--m-font);background:var(--m-bg);color:var(--m-text);line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button,input,textarea,select{font-family:inherit}
.container{max-width:1200px}
#faqSection,#latestSection{scroll-margin-top:120px}

/* ===== 按钮 ===== */
.btn-primary-custom{--bs-btn-color:#fff;background:linear-gradient(135deg,var(--m-primary),var(--m-primary-dark));border:0;border-radius:12px;padding:11px 22px;font-weight:700;color:#fff;box-shadow:0 8px 20px rgba(212,2,44,.3);transition:.25s;display:inline-flex;align-items:center;gap:8px}
.btn-primary-custom:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(212,2,44,.42);color:#fff}
.btn-primary-custom:active{transform:translateY(0)}
.btn-light-custom{background:#fff;color:var(--m-dark);border:0;border-radius:12px;padding:11px 22px;font-weight:700;transition:.25s;display:inline-flex;align-items:center;gap:8px}
.btn-light-custom:hover{transform:translateY(-2px);background:#ffecef;color:var(--m-primary-dark);box-shadow:0 12px 24px rgba(0,0,0,.18)}
.btn-lg{padding:13px 30px;font-size:1rem}

/* ===== 头部 ===== */
.site-header{position:sticky;top:0;z-index:1090;background:#fff;border-bottom:1px solid var(--m-line);box-shadow:0 2px 12px rgba(15,20,34,.05)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:14px 0}
.brand-logo{display:flex;align-items:center;gap:12px;color:var(--m-ink);font-weight:800;font-size:1.18rem;line-height:1.3}
.brand-logo small{display:block;font-weight:400;font-size:.72rem;color:var(--m-soft);letter-spacing:.5px}
.logo-badge{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,#e00530,#8f031d);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.15rem;box-shadow:0 8px 18px rgba(212,2,44,.32);flex:0 0 42px}
.header-search{flex:1;max-width:560px;margin:0 auto;display:flex;align-items:center;background:#f2f5fa;border:1px solid transparent;border-radius:40px;padding:4px 4px 4px 18px;transition:.25s}
.header-search:focus-within{border-color:var(--m-primary);background:#fff;box-shadow:0 0 0 4px rgba(212,2,44,.08)}
.header-search > i{color:#9aa3b2;font-size:.92rem}
.header-search input{flex:1;border:0;outline:0;background:transparent;padding:9px 12px;font-size:.93rem;color:var(--m-text);min-width:0}
.search-btn{background:var(--m-primary);color:#fff;border:0;border-radius:30px;padding:9px 20px;font-weight:700;font-size:.9rem;transition:.2s;cursor:pointer}
.search-btn:hover{background:var(--m-primary-dark)}
.header-right{display:flex;align-items:center;gap:10px}
.header-link{display:inline-flex;align-items:center;gap:8px;background:#f2f5fa;border-radius:30px;padding:9px 16px;font-size:.88rem;color:#39414f;font-weight:600;transition:.2s;white-space:nowrap}
.header-link:hover{background:#fbeff1;color:var(--m-primary)}
.nav-toggle{display:none;border:0;background:transparent;width:44px;height:44px;border-radius:10px;flex-direction:column;gap:5px;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span{width:22px;height:2px;background:var(--m-ink);border-radius:2px;transition:.3s}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.main-nav{background:var(--m-dark)}
.nav-wrap{display:flex;gap:4px}
.nav-link-custom{display:inline-flex;align-items:center;gap:8px;padding:14px 20px;color:rgba(255,255,255,.78);font-size:.95rem;font-weight:600;position:relative;transition:.25s;border-radius:10px}
.nav-link-custom:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link-custom.active{color:#fff;background:linear-gradient(135deg,var(--m-primary),var(--m-primary-dark));box-shadow:0 6px 16px rgba(212,2,44,.35)}

/* ===== 内页横幅 ===== */
.page-banner{position:relative;background:#141a28 url('/assets/images/backpic/back-2.png') center/cover no-repeat;padding:66px 0 58px;color:#fff}
.page-banner::before{content:'';position:absolute;inset:0;background:linear-gradient(115deg,rgba(10,13,22,.9),rgba(120,2,28,.72))}
.page-banner .container{position:relative;z-index:2}
.page-banner-inner{max-width:860px}
.breadcrumb-custom{font-size:.92rem;color:rgba(255,255,255,.72);margin-bottom:14px;gap:8px;display:flex;flex-wrap:wrap;align-items:center}
.breadcrumb-custom a:hover{color:#fff}
.breadcrumb-custom i{font-size:.7rem;color:rgba(255,255,255,.5)}
.banner-title{font-size:2rem;font-weight:800;margin:0 0 10px;letter-spacing:.5px}
.banner-sub{color:rgba(255,255,255,.82);font-size:1.02rem;margin:0;max-width:640px}

/* ===== 文章主体 ===== */
.article-layout{padding:48px 0 24px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:32px;align-items:start}
.article-card{background:#fff;border:1px solid var(--m-line);border-radius:var(--m-radius-lg);padding:34px;box-shadow:var(--m-shadow-sm)}
.post-cat{display:inline-flex;align-items:center;gap:6px;background:rgba(212,2,44,.09);color:var(--m-primary);font-size:.82rem;font-weight:700;padding:6px 14px;border-radius:30px}
.article-title{font-size:1.85rem;font-weight:800;line-height:1.45;margin:16px 0 14px;color:var(--m-ink)}
.article-meta{display:flex;flex-wrap:wrap;gap:16px;color:var(--m-soft);font-size:.9rem;border-bottom:1px solid var(--m-line);padding-bottom:18px}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--m-primary);font-size:.85rem}
.article-cover{margin:24px 0;border-radius:var(--m-radius);overflow:hidden;box-shadow:var(--m-shadow-sm)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-body{font-size:1.03rem;line-height:1.9;color:#33404e;word-break:break-word}
.article-body h2{font-size:1.42rem;font-weight:800;margin:30px 0 14px;padding-left:14px;border-left:4px solid var(--m-primary);color:var(--m-ink)}
.article-body h3{font-size:1.2rem;font-weight:700;margin:26px 0 10px;color:var(--m-ink)}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body li{margin-bottom:6px}
.article-body img{border-radius:12px;margin:18px 0}
.article-body blockquote{background:#fbf7f4;border-left:4px solid var(--m-gold);padding:16px 18px;border-radius:0 12px 12px 0;margin:0 0 18px;color:#6b5a3e}
.article-body a{color:var(--m-primary);font-weight:600;border-bottom:1px solid rgba(212,2,44,.25)}
.article-body a:hover{border-color:var(--m-primary)}
.article-body table{width:100%;border-collapse:collapse;margin:18px 0}
.article-body th,.article-body td{border:1px solid var(--m-line);padding:10px 12px}
.article-body th{background:#f8fafc;font-weight:700}
.article-body code{background:#f1f5f9;padding:2px 8px;border-radius:6px;font-size:.92em;color:#b22a3a}
.article-bottom{padding-top:22px;margin-top:26px;border-top:1px solid var(--m-line);display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag-list a{background:#f1f4f9;color:#4c586b;font-size:.82rem;padding:5px 13px;border-radius:30px;transition:.2s;display:inline-flex;align-items:center;gap:6px}
.tag-list a:hover{background:var(--m-primary);color:#fff}
.share-row{display:flex;gap:10px}
.share-btn{width:40px;height:40px;border-radius:50%;background:#f1f4f9;color:#4c586b;display:inline-flex;align-items:center;justify-content:center;transition:.2s;border:0;cursor:pointer}
.share-btn:hover{background:var(--m-primary);color:#fff;transform:translateY(-2px)}
.share-btn.copied{background:var(--m-success);color:#fff}

/* ===== 侧栏 ===== */
.side-card{background:#fff;border:1px solid var(--m-line);border-radius:var(--m-radius-lg);padding:22px;margin-bottom:24px;box-shadow:var(--m-shadow-sm)}
.side-title{font-size:1.08rem;font-weight:800;color:var(--m-ink);display:flex;align-items:center;gap:10px;margin:0 0 16px}
.side-title::before{content:'';width:4px;height:20px;border-radius:4px;background:var(--m-primary)}
.quick-list{list-style:none;margin:0;padding:0}
.quick-list li{border-bottom:1px dashed #edf0f5;padding:11px 0}
.quick-list li:last-child{border-bottom:0}
.quick-list a{display:flex;align-items:center;gap:10px;color:#3a435a;font-size:.95rem;transition:.2s}
.quick-list a i{color:var(--m-primary);font-size:.8rem;width:16px;text-align:center}
.quick-list a:hover{color:var(--m-primary);padding-left:4px}
.side-cover-list{display:flex;flex-direction:column;gap:14px}
.side-cover-list a{display:flex;gap:12px;align-items:center;transition:.2s}
.side-cover-list a:hover{transform:translateX(3px)}
.side-cover-list img{width:76px;height:76px;border-radius:12px;object-fit:cover;flex:0 0 76px;box-shadow:var(--m-shadow-sm)}
.side-item-info{flex:1;display:flex;flex-direction:column;gap:3px;min-width:0}
.side-item-info strong{color:var(--m-ink);font-size:.93rem;font-weight:700}
.side-item-info em{font-style:normal;color:var(--m-soft);font-size:.78rem;line-height:1.5}
.side-cover-list a:hover strong{color:var(--m-primary)}
.side-cta{background:linear-gradient(135deg,#161d2e,#7d0a28);color:#fff;border:0;text-align:center}
.side-cta .side-title{color:#fff;justify-content:center}
.side-cta .side-title::before{background:var(--m-gold)}

/* ===== 未找到 ===== */
.not-found-card{background:#fff;border-radius:var(--m-radius-lg);border:1px solid var(--m-line);text-align:center;padding:70px 30px;box-shadow:var(--m-shadow-sm)}
.not-found-card > i{font-size:3rem;color:#cbd3e0}
.not-found-card h1{font-size:1.7rem;font-weight:800;color:var(--m-ink);margin:18px 0 10px}
.not-found-card p{color:var(--m-soft);margin-bottom:22px}

/* ===== 延伸阅读 ===== */
.related-section{padding:0 0 60px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:26px;gap:16px}
.section-head.centered{flex-direction:column;align-items:center;text-align:center;gap:4px}
.sec-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(212,2,44,.09);color:var(--m-primary);padding:7px 16px;border-radius:30px;font-size:.82rem;font-weight:700;margin-bottom:12px}
.section-title{font-size:1.7rem;font-weight:800;color:var(--m-ink);margin:0}
.section-sub{color:var(--m-soft);margin:8px 0 0;font-size:.95rem}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{position:relative;display:block;background:#fff;border:1px solid var(--m-line);border-radius:var(--m-radius-lg);overflow:hidden;box-shadow:var(--m-shadow-sm);transition:.3s;height:100%}
.rel-card:hover{transform:translateY(-6px);box-shadow:var(--m-shadow-lg)}
.rel-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.rel-card .rel-body{padding:18px 20px 22px}
.badge-cat{display:inline-block;background:linear-gradient(135deg,var(--m-primary),var(--m-primary-dark));color:#fff;font-size:.75rem;font-weight:700;padding:5px 13px;border-radius:30px;margin-bottom:10px}
.rel-card h3{font-size:1.05rem;font-weight:800;margin:0 0 8px;color:var(--m-ink)}
.rel-card p{font-size:.9rem;color:var(--m-soft);margin:0;line-height:1.7}

/* ===== FAQ ===== */
.faq-section{padding:60px 0;background:#eef1f7}
.accordion{max-width:860px;margin:0 auto}
.accordion-item{border:1px solid var(--m-line);border-radius:16px!important;margin-bottom:14px;overflow:hidden;box-shadow:var(--m-shadow-sm)}
.accordion-button{font-weight:700;color:var(--m-ink);background:#fff;padding:18px 22px;font-size:1rem;border:0;box-shadow:none}
.accordion-button:not(.collapsed){background:#fbf3f4;color:var(--m-primary);box-shadow:none}
.accordion-button:focus{box-shadow:none}
.accordion-button::after{background-size:1rem}
.accordion-body{color:#4c586b;padding:18px 22px;line-height:1.85}

/* ===== CTA ===== */
.cta-section{padding:60px 0 64px}
.cta-panel{background:linear-gradient(120deg,#141a28,#7d0a28);border-radius:24px;padding:56px;text-align:center;color:#fff;position:relative;overflow:hidden;box-shadow:var(--m-shadow-lg)}
.cta-panel::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;opacity:.16}
.cta-inner{position:relative;z-index:2}
.cta-panel h2{font-size:1.8rem;font-weight:800;margin:0 0 12px}
.cta-panel p{color:rgba(255,255,255,.82);max-width:560px;margin:0 auto 26px}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-footer{background:var(--m-deep);color:#aeb6c6;padding:52px 0 0}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:36px}
.footer-brand .brand-logo{color:#fff}
.footer-brand p{color:#8e98ab;margin-top:16px;font-size:.93rem;max-width:380px;line-height:1.8}
.footer-col h4{color:#fff;font-size:1rem;font-weight:700;margin-bottom:16px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{color:#aeb6c6;font-size:.92rem;display:inline-flex;align-items:center;gap:8px;transition:.2s}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-col a i{font-size:.72rem;color:var(--m-primary)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;gap:12px;color:#7c8698;font-size:.88rem;justify-content:center;flex-wrap:wrap}

/* ===== 返回顶部 ===== */
.back-top{position:fixed;right:22px;bottom:24px;width:46px;height:46px;border-radius:50%;background:var(--m-primary);color:#fff;border:0;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 26px rgba(212,2,44,.4);opacity:0;visibility:hidden;transform:translateY(14px);transition:.3s;z-index:1000;cursor:pointer}
.back-top.show{opacity:1;visibility:visible;transform:none}
.back-top:hover{background:var(--m-primary-dark)}

/* ===== 响应式 ===== */
@media(max-width:1199px){
  .article-grid{grid-template-columns:minmax(0,1fr) 320px;gap:26px}
}
@media(max-width:1024px){
  .article-grid{grid-template-columns:minmax(0,1fr) 300px;gap:22px}
  .article-card{padding:28px}
}
@media(max-width:991px){
  .header-search{order:3;flex-basis:100%;max-width:100%;margin-top:12px}
  .nav-toggle{display:flex}
  .header-inner{flex-wrap:wrap}
  .main-nav{max-height:0;overflow:hidden;transition:max-height .35s ease}
  .main-nav.open{max-height:380px}
  .nav-wrap{flex-direction:column;padding:10px 0}
  .nav-link-custom{padding:13px 16px}
  .article-grid{grid-template-columns:1fr}
  .article-side{margin-top:8px}
  .footer-top{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
  .rel-grid{grid-template-columns:repeat(3,1fr);gap:16px}
  .page-banner{padding:54px 0 46px}
  .banner-title{font-size:1.7rem}
}
@media(max-width:767px){
  .rel-grid{grid-template-columns:1fr 1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .article-meta{gap:10px}
  .article-title{font-size:1.55rem}
  .article-body{font-size:1rem}
  .cta-panel{padding:42px 26px}
  .cta-panel h2{font-size:1.45rem}
}
@media(max-width:575px){
  .header-inner{gap:12px}
  .brand-logo{font-size:1rem;gap:9px}
  .logo-badge{width:38px;height:38px;font-size:1rem;flex-basis:38px}
  .header-link{font-size:.8rem;padding:8px 12px}
  .article-card{padding:20px}
  .article-title{font-size:1.35rem}
  .article-cover img{aspect-ratio:4/3}
  .rel-grid{grid-template-columns:1fr}
  .page-banner{padding:42px 0 38px}
  .banner-title{font-size:1.4rem}
  .banner-sub{font-size:.93rem}
  .not-found-card{padding:48px 20px}
  .footer-top{grid-template-columns:1fr}
  .cta-panel{padding:34px 20px}
  .section-title{font-size:1.35rem}
  .footer-bottom{flex-direction:column;text-align:center;gap:4px}
  .back-top{right:14px;bottom:16px}
}

/* roulang page: category3 */
:root{
  --primary:#141b2d;
  --primary-dark:#0b101c;
  --accent:#e4002b;
  --accent-light:#ff4d6a;
  --accent-soft:#fff0f2;
  --bg:#f4f6fb;
  --card:#ffffff;
  --text:#1e2433;
  --text-light:#667085;
  --border:#e6eaf2;
  --radius:20px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 8px 32px rgba(20,27,45,.08);
  --shadow-lg:0 20px 55px rgba(20,27,45,.18);
  --transition:all .28s cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Inter","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font-family:inherit}
.container{max-width:1200px;padding-left:20px;padding-right:20px}

/* ===== 按钮 ===== */
.btn{
  border-radius:var(--radius-pill);
  font-weight:600;
  padding:10px 24px;
  transition:var(--transition);
  border:2px solid transparent;
}
.btn-accent{
  background:var(--accent);
  color:#fff;
  box-shadow:0 6px 20px rgba(228,0,43,.28);
}
.btn-accent:hover{
  background:#c30024;
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 10px 28px rgba(228,0,43,.36);
}
.btn-outline-light{
  border-color:rgba(255,255,255,.6);
  color:#fff;
  background:transparent;
}
.btn-outline-light:hover{
  background:rgba(255,255,255,.12);
  border-color:#fff;
  color:#fff;
}
.btn-light{
  background:#fff;
  color:var(--primary);
  box-shadow:0 6px 20px rgba(0,0,0,.1);
}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(0,0,0,.15);color:var(--accent)}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1020;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;align-items:center;gap:20px;
  padding:14px 0;
  flex-wrap:nowrap;
}
.brand-logo{
  display:flex;align-items:center;gap:10px;
  color:var(--primary);
  font-size:20px;
  font-weight:800;
  letter-spacing:.3px;
  white-space:nowrap;
  transition:var(--transition);
}
.brand-logo:hover{color:var(--accent)}
.brand-logo small{
  display:block;
  font-size:11px;
  font-weight:500;
  color:var(--text-light);
  letter-spacing:.5px;
  margin-top:2px;
}
.logo-badge{
  width:42px;height:42px;
  border-radius:13px;
  background:linear-gradient(135deg,var(--accent),#ff6b81);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;
  box-shadow:0 6px 18px rgba(228,0,43,.32);
  flex-shrink:0;
}
.header-search{
  flex:1;
  max-width:520px;
  margin:0 auto;
  display:flex;
  align-items:center;
  background:var(--bg);
  border:2px solid var(--border);
  border-radius:var(--radius-pill);
  padding:6px 8px 6px 18px;
  transition:var(--transition);
  position:relative;
}
.header-search:focus-within{
  border-color:var(--accent);
  background:#fff;
  box-shadow:0 0 0 4px rgba(228,0,43,.1);
}
.header-search i{
  color:var(--text-light);
  font-size:15px;
}
.header-search input{
  flex:1;
  border:none;
  outline:none;
  background:transparent;
  padding:7px 10px;
  font-size:14px;
  color:var(--text);
  min-width:0;
}
.header-search input::placeholder{color:#9aa3b2}
.search-btn{
  background:var(--accent);
  color:#fff;
  border:none;
  border-radius:var(--radius-pill);
  padding:8px 20px;
  font-weight:600;
  font-size:13px;
  cursor:pointer;
  transition:var(--transition);
  white-space:nowrap;
}
.search-btn:hover{background:#c30024}
.header-right{
  display:flex;align-items:center;gap:8px;
  flex-shrink:0;
}
.header-link{
  display:inline-flex;align-items:center;gap:7px;
  color:var(--text-light);
  font-size:14px;
  font-weight:600;
  padding:8px 14px;
  border-radius:var(--radius-pill);
  transition:var(--transition);
  white-space:nowrap;
}
.header-link:hover{
  background:var(--accent-soft);
  color:var(--accent);
}
.nav-toggle{
  display:none;
  background:transparent;
  border:none;
  cursor:pointer;
  padding:8px;
  flex-direction:column;
  gap:5px;
  flex-shrink:0;
}
.nav-toggle span{
  width:22px;height:2px;
  background:var(--primary);
  border-radius:4px;
  transition:var(--transition);
}
.main-nav{
  background:#fff;
  border-top:1px solid var(--border);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:6px;
  padding:6px 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-wrap::-webkit-scrollbar{display:none}
.nav-link-custom{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--text-light);
  font-size:14px;
  font-weight:600;
  padding:9px 18px;
  border-radius:var(--radius-pill);
  transition:var(--transition);
  white-space:nowrap;
}
.nav-link-custom i{font-size:13px}
.nav-link-custom:hover{
  color:var(--accent);
  background:var(--accent-soft);
}
.nav-link-custom.active{
  background:var(--primary);
  color:#fff;
  box-shadow:0 6px 16px rgba(20,27,45,.18);
}

/* ===== Hero / 内页 Banner ===== */
.page-hero{
  position:relative;
  background:linear-gradient(120deg,rgba(11,16,28,.93),rgba(20,27,45,.82)),url('/assets/images/backpic/back-2.png') center/cover;
  color:#fff;
  padding:80px 0 70px;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-120px;top:-100px;
  width:380px;height:380px;
  background:radial-gradient(circle,rgba(228,0,43,.28),transparent 65%);
  border-radius:50%;
  pointer-events:none;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  color:#fff;
  font-size:13px;
  font-weight:600;
  padding:7px 18px;
  border-radius:var(--radius-pill);
  margin-bottom:20px;
  backdrop-filter:blur(6px);
}
.page-hero h1{
  font-size:44px;
  font-weight:800;
  letter-spacing:.5px;
  line-height:1.2;
  margin-bottom:16px;
}
.page-hero h1 span{color:#ff5f73}
.page-hero p.lead{
  font-size:17px;
  color:rgba(255,255,255,.82);
  max-width:640px;
  margin-bottom:28px;
}
.hero-stats{
  display:flex;
  gap:34px;
  flex-wrap:wrap;
  margin-top:36px;
}
.hero-stats .stat b{
  display:block;
  font-size:28px;
  font-weight:800;
  color:#fff;
  line-height:1.2;
}
.hero-stats .stat span{
  font-size:13px;
  color:rgba(255,255,255,.65);
}

/* ===== 板块通用 ===== */
.section{
  padding:72px 0;
}
.section-head{
  margin-bottom:38px;
}
.section-head .tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--accent-soft);
  color:var(--accent);
  font-size:13px;
  font-weight:700;
  padding:5px 16px;
  border-radius:var(--radius-pill);
  margin-bottom:12px;
}
.section-head h2{
  font-size:30px;
  font-weight:800;
  color:var(--primary);
  letter-spacing:.3px;
  margin-bottom:8px;
}
.section-head p{
  color:var(--text-light);
  max-width:580px;
  font-size:15px;
}

/* ===== 卡片 ===== */
.card-custom{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  transition:var(--transition);
  height:100%;
  box-shadow:0 2px 10px rgba(20,27,45,.04);
}
.card-custom:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(228,0,43,.25);
}
.card-custom .card-cover{
  position:relative;
  aspect-ratio:16/11;
  overflow:hidden;
}
.card-custom .card-cover img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.card-custom:hover .card-cover img{transform:scale(1.06)}
.cover-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(11,16,28,.65));
}
.card-tag{
  position:absolute;top:14px;left:14px;
  display:inline-flex;align-items:center;gap:5px;
  background:rgba(255,255,255,.92);
  color:var(--accent);
  font-size:12px;font-weight:700;
  padding:5px 13px;
  border-radius:var(--radius-pill);
  box-shadow:0 4px 14px rgba(0,0,0,.12);
}
.card-body-custom{
  padding:22px;
}
.card-body-custom h3{
  font-size:18px;
  font-weight:700;
  color:var(--primary);
  margin-bottom:8px;
  line-height:1.4;
}
.card-body-custom p{
  color:var(--text-light);
  font-size:14px;
  margin-bottom:16px;
}
.card-link-more{
  color:var(--accent);
  font-weight:600;
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:var(--transition);
}
.card-link-more:hover{gap:10px;color:#c30024}

/* ===== 精选大图 ===== */
.feature-card{
  background:var(--primary);
  border-radius:var(--radius);
  overflow:hidden;
  color:#fff;
  position:relative;
  box-shadow:var(--shadow-lg);
}
.feature-card .row{min-height:420px}
.feature-media{
  position:relative;
  min-height:320px;
  overflow:hidden;
}
.feature-media img{
  width:100%;height:100%;
  object-fit:cover;
  position:absolute;inset:0;
}
.feature-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,transparent 40%,rgba(20,27,45,.35));
}
.feature-body{
  padding:44px 46px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.feature-body .tag{
  align-self:flex-start;
  background:rgba(228,0,43,.92);
  color:#fff;
  font-size:12px;
  font-weight:700;
  padding:5px 14px;
  border-radius:var(--radius-pill);
  margin-bottom:16px;
}
.feature-body h2{
  font-size:28px;
  font-weight:800;
  margin-bottom:14px;
  line-height:1.35;
}
.feature-body p{
  color:rgba(255,255,255,.78);
  font-size:15px;
  margin-bottom:22px;
}
.feature-meta{
  display:flex;
  gap:18px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.feature-meta i{margin-right:5px}

/* ===== 排行列表 ===== */
.rank-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:34px 28px;
  box-shadow:var(--shadow);
}
.rank-item{
  display:flex;
  align-items:center;
  gap:16px;
  padding:16px 12px;
  border-radius:var(--radius-sm);
  transition:var(--transition);
  cursor:pointer;
}
.rank-item:hover{
  background:var(--accent-soft);
  transform:translateX(4px);
}
.rank-num{
  flex-shrink:0;
  width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg);
  border-radius:10px;
  font-weight:800;
  font-size:15px;
  color:var(--text-light);
}
.rank-item:nth-child(1) .rank-num,
.rank-item:nth-child(2) .rank-num,
.rank-item:nth-child(3) .rank-num{
  background:var(--accent);
  color:#fff;
}
.rank-info{flex:1;min-width:0}
.rank-info h3{
  font-size:15px;
  font-weight:700;
  color:var(--text);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  margin:0;
  transition:var(--transition);
}
.rank-item:hover .rank-info h3{color:var(--accent)}
.rank-info span{
  font-size:12px;
  color:var(--text-light);
}
.rank-heat{
  flex-shrink:0;
  font-size:12px;
  color:var(--text-light);
  background:var(--bg);
  padding:4px 12px;
  border-radius:var(--radius-pill);
  display:inline-flex;
  align-items:center;
  gap:5px;
}
.rank-heat i{color:var(--accent)}

/* ===== 图文双栏 ===== */
.tutorial-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  transition:var(--transition);
  height:100%;
}
.tutorial-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-lg);
}
.tutorial-media{
  aspect-ratio:16/10;
  overflow:hidden;
  position:relative;
}
.tutorial-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.tutorial-card:hover .tutorial-media img{transform:scale(1.05)}
.tutorial-body{
  padding:26px;
}
.tutorial-body .step-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--accent-soft);
  color:var(--accent);
  font-size:12px;
  font-weight:700;
  padding:4px 13px;
  border-radius:var(--radius-pill);
  margin-bottom:12px;
}
.tutorial-body h3{
  font-size:20px;
  font-weight:800;
  color:var(--primary);
  margin-bottom:10px;
}
.tutorial-body p{
  color:var(--text-light);
  font-size:14px;
  margin-bottom:14px;
}
.tutorial-list{
  list-style:none;
  margin:0;
  padding:0;
}
.tutorial-list li{
  display:flex;
  align-items:flex-start;
  gap:9px;
  font-size:14px;
  color:var(--text);
  padding:5px 0;
}
.tutorial-list li i{
  color:var(--accent);
  font-size:13px;
  margin-top:5px;
}

/* ===== FAQ ===== */
.faq-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:36px 32px;
  box-shadow:var(--shadow);
}
.faq-item{
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:0;
  margin-bottom:14px;
  overflow:hidden;
  transition:var(--transition);
  background:#fff;
}
.faq-item:hover{border-color:rgba(228,0,43,.35)}
.faq-item summary{
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:16px 20px;
  cursor:pointer;
  font-size:15px;
  font-weight:700;
  color:var(--text);
  transition:var(--transition);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{
  color:var(--accent);
  font-size:13px;
  transition:transform .3s ease;
  flex-shrink:0;
}
.faq-item[open] summary i{
  transform:rotate(180deg);
}
.faq-item summary:hover{color:var(--accent)}
.faq-answer{
  padding:0 20px 18px;
  color:var(--text-light);
  font-size:14px;
  line-height:1.8;
}

/* ===== CTA ===== */
.cta-banner{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  background:linear-gradient(120deg,var(--primary-dark),var(--primary));
  color:#fff;
  padding:58px 50px;
  text-align:center;
}
.cta-banner::before{
  content:"";
  position:absolute;
  left:-80px;bottom:-120px;
  width:320px;height:320px;
  background:radial-gradient(circle,rgba(228,0,43,.4),transparent 65%);
}
.cta-banner::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:220px;height:220px;
  background:radial-gradient(circle,rgba(255,255,255,.14),transparent 65%);
}
.cta-banner h2{
  font-size:32px;
  font-weight:800;
  margin-bottom:14px;
  position:relative;z-index:2;
}
.cta-banner p{
  color:rgba(255,255,255,.75);
  font-size:15px;
  max-width:560px;
  margin:0 auto 28px;
  position:relative;z-index:2;
}
.cta-banner .cta-actions{
  display:flex;
  gap:14px;
  justify-content:center;
  flex-wrap:wrap;
  position:relative;z-index:2;
}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--primary-dark);
  color:rgba(255,255,255,.7);
  padding:56px 0 24px;
  margin-top:30px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr;
  gap:46px;
  margin-bottom:36px;
}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.8;
  max-width:360px;
  color:rgba(255,255,255,.55);
}
.footer-col h4{
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-col ul{
  list-style:none;
  padding:0;
  margin:0;
}
.footer-col ul li{margin-bottom:9px}
.footer-col ul a{
  color:rgba(255,255,255,.6);
  font-size:14px;
  transition:var(--transition);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.footer-col ul a i{font-size:10px;color:rgba(255,255,255,.3);transition:var(--transition)}
.footer-col ul a:hover{color:var(--accent-light)}
.footer-col ul a:hover i{transform:translateX(3px);color:var(--accent-light)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:22px;
  display:flex;
  justify-content:center;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.35);
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .header-inner{flex-wrap:wrap}
  .header-search{order:3;flex-basis:100%;max-width:none;margin-top:4px}
  .nav-toggle{display:flex}
  .main-nav{
    display:none;
    position:absolute;
    top:100%;
    left:0;right:0;
    background:#fff;
    box-shadow:0 18px 40px rgba(0,0,0,.12);
    border-radius:0 0 var(--radius) var(--radius);
    padding:10px 0;
  }
  .main-nav.open{display:block}
  .nav-wrap{
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:6px 20px;
    overflow:visible;
  }
  .nav-link-custom{
    padding:11px 14px;
    border-radius:var(--radius-sm);
  }
  .page-hero h1{font-size:32px}
  .feature-body{padding:32px 28px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .section-head h2{font-size:24px}
  .page-hero{padding:56px 0 48px}
  .page-hero h1{font-size:28px}
  .page-hero p.lead{font-size:15px}
  .hero-stats{gap:20px}
  .hero-stats .stat b{font-size:22px}
  .rank-card{padding:24px 18px}
  .footer-top{grid-template-columns:1fr;gap:30px}
  .cta-banner{padding:42px 24px}
  .cta-banner h2{font-size:26px}
  .faq-card{padding:24px 18px}
  .feature-card .row{min-height:auto}
  .feature-media{min-height:240px}
  .feature-body h2{font-size:22px}
}
@media (max-width:520px){
  .brand-logo{font-size:17px}
  .brand-logo small{font-size:10px}
  .logo-badge{width:36px;height:36px;font-size:14px;border-radius:10px}
  .header-link span{display:none}
  .search-btn{padding:8px 14px}
  .page-hero h1{font-size:24px}
  .feature-body{padding:24px 20px}
  .feature-meta{flex-direction:column;gap:6px}
  .card-body-custom{padding:18px}
  .tutorial-body{padding:20px}
}