/* roulang page: index */
:root{
  --primary:#F2662A;
  --primary-dark:#D9551C;
  --deep:#1F5C4A;
  --cream:#FAF7F2;
  --warm:#F1EDE6;
  --ink:#1B1B1B;
  --muted:#5C5A57;
  --dark:#191817;
  --line:rgba(27,27,27,.08);
  --line-strong:rgba(27,27,27,.16);
  --shadow-sm:0 8px 24px rgba(27,27,27,.06);
  --shadow-lg:0 16px 40px rgba(27,27,27,.12);
  --radius-card:18px;
  --radius-btn:12px;
  --radius-img:16px;
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding-left:20px;padding-right:20px;}
@media(min-width:768px){.wrap{padding-left:32px;padding-right:32px;}}
.section{padding-top:clamp(64px,8vw,118px);padding-bottom:clamp(64px,8vw,118px);}
.section-soft{background:var(--warm);}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.16em;color:var(--primary);
  font-weight:600;margin-bottom:14px;
}
.h1{
  font-size:clamp(38px,6vw,62px);font-weight:800;line-height:1.15;letter-spacing:-.02em;
}
.h2{
  font-size:clamp(28px,4vw,40px);font-weight:700;line-height:1.22;letter-spacing:-.01em;
  margin-bottom:16px;
}
.h3{font-size:22px;font-weight:600;line-height:1.4;}
.lead{color:var(--muted);font-size:17px;line-height:1.8;max-width:60ch;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);padding:13px 26px;font-size:15.5px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;transition:all .22s ease;white-space:nowrap;
  min-height:44px;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(242,102,42,.28);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(242,102,42,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border-color:var(--primary);color:var(--primary);background:transparent;}
.btn-ghost:hover{background:rgba(242,102,42,.08);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:var(--cream);}
.btn-dark:hover{background:#000;transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14.5px;min-height:40px;border-radius:10px;}
.btn-lg{padding:16px 34px;font-size:17px;}
.btn-block{width:100%;}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:#f2efe9;transform:translateY(-2px);}

/* ============ 头部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(27,27,27,.06);
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.is-solid{
  background:rgba(255,255,255,.98);
  box-shadow:0 6px 24px rgba(27,27,27,.09);
  border-bottom-color:var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:76px;transition:height .24s ease;}
.site-header.is-solid .nav-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,var(--primary),#f79a63);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;letter-spacing:-.02em;
}
.nav-links{display:none;align-items:center;gap:6px;}
@media(min-width:900px){.nav-links{display:flex;}}
.nav-link{
  position:relative;padding:9px 12px;font-size:15px;color:#3d3b38;border-radius:8px;
  transition:color .2s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;border-radius:2px;
  background:var(--primary);transition:left .25s ease,right .25s ease;
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after,.nav-link.active::after{left:12px;right:12px;}
.nav-link.active{color:var(--primary);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.6);display:flex;align-items:center;justify-content:center;
  cursor:pointer;color:var(--ink);transition:all .2s ease;
}
.icon-btn:hover{border-color:var(--primary);color:var(--primary);background:#fff;}
.nav-cta{display:none;}
@media(min-width:640px){.nav-cta{display:inline-flex;}}
.menu-btn{display:flex;}
@media(min-width:900px){.menu-btn{display:none;}}

.search-panel{
  position:absolute;top:100%;left:0;right:0;display:none;
  background:rgba(255,255,255,.97);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);box-shadow:0 16px 34px rgba(27,27,27,.08);
  padding:16px 0;
}
.search-panel.open{display:block;}
.search-box{display:flex;gap:10px;align-items:center;}
.search-box input{
  flex:1;height:46px;border-radius:12px;border:1px solid var(--line-strong);
  background:#fff;padding:0 16px;color:var(--ink);transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box input::placeholder{color:#9a9792;}
.search-box input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(242,102,42,.14);}

.mobile-menu{
  position:fixed;inset:0;z-index:55;padding:104px 24px 40px;
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  display:flex;flex-direction:column;gap:6px;
  transform:translateY(-102%);transition:transform .3s ease;
}
.mobile-menu.open{transform:translateY(0);}
.mobile-link{
  padding:16px 8px;font-size:17px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);min-height:48px;display:flex;align-items:center;
}
.mobile-link.active{color:var(--primary);}
.mobile-menu .btn{margin-top:24px;}
@media(min-width:900px){.mobile-menu{display:none;}}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding-top:150px;padding-bottom:92px;}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  transform:scale(1.03);
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(20,19,18,.9) 0%,rgba(20,19,18,.7) 48%,rgba(31,92,74,.62) 100%);
}
.hero-inner{position:relative;z-index:2;}
.hero-copy{max-width:760px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  color:#ffe9db;font-size:13.5px;letter-spacing:.04em;margin-bottom:22px;
}
.hero h1{color:#fff;font-size:clamp(38px,6vw,64px);font-weight:800;line-height:1.14;letter-spacing:-.02em;}
.hero h1 em{font-style:normal;color:#ffb083;}
.hero-sub{
  margin-top:22px;color:rgba(255,255,255,.82);font-size:clamp(16px,2vw,18.5px);
  line-height:1.85;max-width:60ch;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-actions .btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.14);}
.trust-bar{
  margin-top:44px;display:flex;flex-wrap:wrap;gap:12px 28px;
  padding-top:24px;border-top:1px solid rgba(255,255,255,.18);
}
.trust-item{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.78);font-size:14px;}
.trust-dot{width:6px;height:6px;border-radius:50%;background:var(--primary);flex:none;}

/* ============ 卡片基准 ============ */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(242,102,42,.32);}

/* ============ 卖点区 ============ */
.cascade-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:640px){.cascade-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:640px){
  .cascade-grid > .feature-card:nth-child(even){margin-top:30px;}
}
.feature-card{position:relative;}
.feature-num{
  width:44px;height:44px;border-radius:12px;background:var(--warm);color:var(--deep);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
  margin-bottom:16px;
}
.feature-card h3{font-size:18.5px;font-weight:700;margin-bottom:10px;}
.feature-card p{color:var(--muted);font-size:15px;line-height:1.8;}

/* ============ 演示区 ============ */
.step-list{display:flex;flex-direction:column;gap:22px;margin-top:30px;}
.step-item{display:flex;gap:16px;align-items:flex-start;}
.step-num{
  width:38px;height:38px;flex:none;border-radius:11px;
  background:var(--primary);color:#fff;font-weight:700;
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.step-item h3{font-size:17.5px;font-weight:700;margin-bottom:6px;}
.step-item p{color:var(--muted);font-size:15px;line-height:1.8;}
.showcase-figure{position:relative;margin-top:40px;}
.showcase-figure img{
  border-radius:20px;width:100%;height:auto;
  border:1px solid rgba(27,27,27,.1);
  box-shadow:0 0 0 8px rgba(242,102,42,.07),0 22px 50px rgba(27,27,27,.16);
}
.showcase-tag{
  position:absolute;left:20px;bottom:20px;background:rgba(255,255,255,.94);
  border-radius:12px;padding:10px 16px;font-size:13.5px;color:var(--deep);font-weight:600;
  box-shadow:var(--shadow-sm);
}

/* ============ 证据区 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
@media(min-width:900px){.stat-grid{grid-template-columns:repeat(4,1fr);}}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;text-align:left;}
.stat-value{font-size:clamp(30px,4vw,42px);font-weight:800;color:var(--primary);line-height:1.1;}
.stat-label{margin-top:8px;color:var(--muted);font-size:14px;}
.testimonial-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:8px 4px 18px;margin-top:34px;-webkit-overflow-scrolling:touch;
}
.testimonial-track::-webkit-scrollbar{height:6px;}
.testimonial-track::-webkit-scrollbar-thumb{background:rgba(27,27,27,.18);border-radius:6px;}
.testimonial-card{
  flex:0 0 300px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-sm);
}
.testimonial-text{color:#3b3936;font-size:15px;line-height:1.85;}
.testimonial-user{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line);}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:none;
  background:linear-gradient(135deg,var(--deep),#39937a);
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
}
.testimonial-name{font-size:15px;font-weight:600;}
.testimonial-role{font-size:13px;color:var(--muted);}

/* ============ 资讯列表（CMS） ============ */
.section-head{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;margin-bottom:38px;}
.link-more{color:var(--primary);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease;}
.link-more:hover{gap:12px;}
.post-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media(min-width:768px){.post-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.post-grid{grid-template-columns:repeat(3,1fr);}}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(242,102,42,.3);}
.post-link{display:block;height:100%;}
.post-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--warm);}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-cover img{transform:scale(1.04);}
.badge{
  position:absolute;left:14px;top:14px;
  background:rgba(255,255,255,.94);color:var(--deep);
  font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:999px;
}
.post-body{padding:22px;}
.post-title{
  font-size:17px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.post-card:hover .post-title{color:var(--primary);}
.post-excerpt{
  margin-top:10px;color:var(--muted);font-size:14.5px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:8px;color:#8a8781;font-size:13px;
}
.meta-dot{width:5px;height:5px;border-radius:50%;background:var(--primary);flex:none;}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--radius-card);
  background:#fff;padding:56px 24px;text-align:center;
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;background:var(--warm);
  display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:22px;
}
.empty-state p{color:var(--muted);margin-bottom:20px;}

/* ============ 分类入口 ============ */
.cat-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media(min-width:768px){.cat-grid{grid-template-columns:1fr 1fr;}}
.cat-card{
  position:relative;border-radius:22px;overflow:hidden;min-height:270px;
  display:flex;align-items:flex-end;border:1px solid var(--line);
  box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.cat-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.cat-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,19,18,.15) 0%,rgba(20,19,18,.86) 100%);
}
.cat-body{position:relative;z-index:2;padding:28px;color:#fff;}
.cat-body h3{font-size:22px;font-weight:700;margin-bottom:10px;}
.cat-body p{font-size:14.5px;color:rgba(255,255,255,.82);line-height:1.75;max-width:44ch;}
.cat-more{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:14.5px;font-weight:600;color:#ffb083;}

/* ============ 价格区 ============ */
.price-grid{display:grid;grid-template-columns:1fr;gap:24px;align-items:stretch;}
@media(min-width:900px){.price-grid{grid-template-columns:repeat(3,1fr);}}
.price-card{
  background:#fff;border:1px solid var(--line);border-radius:22px;padding:32px 28px;
  display:flex;flex-direction:column;box-shadow:var(--shadow-sm);position:relative;
  transition:transform .25s ease,box-shadow .25s ease;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.price-card.featured{
  border:2px solid var(--primary);box-shadow:0 20px 46px rgba(242,102,42,.18);
}
@media(min-width:900px){.price-card.featured{transform:translateY(-10px);}}
.price-tag{
  position:absolute;top:-14px;left:28px;background:var(--primary);color:#fff;
  font-size:12.5px;font-weight:700;letter-spacing:.06em;padding:6px 14px;border-radius:999px;
}
.price-name{font-size:19px;font-weight:700;margin-bottom:6px;}
.price-desc{color:var(--muted);font-size:14px;min-height:42px;}
.price-value{margin:20px 0 4px;font-size:clamp(34px,4.4vw,44px);font-weight:800;color:var(--ink);line-height:1.05;}
.price-value small{font-size:15px;font-weight:600;color:var(--muted);margin-left:6px;}
.price-cycle{color:#8a8781;font-size:13.5px;margin-bottom:22px;}
.price-list{display:flex;flex-direction:column;gap:12px;margin-bottom:28px;flex:1;}
.price-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.8px;color:#43413e;line-height:1.7;}
.check{
  width:18px;height:18px;flex:none;border-radius:50%;background:rgba(31,92,74,.12);
  color:var(--deep);font-size:11px;display:flex;align-items:center;justify-content:center;margin-top:5px;
}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);margin-top:34px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:48px;padding:20px 4px;background:none;border:0;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);text-align:left;transition:color .2s ease;
}
.faq-q:hover{color:var(--primary);}
.faq-arrow{color:var(--primary);font-size:13px;transition:transform .26s ease;flex:none;}
.faq-item.open .faq-arrow{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease;}
.faq-a p{padding:0 4px 22px;color:var(--muted);font-size:15.5px;line-height:1.85;max-width:88ch;}

/* ============ 结尾 CTA ============ */
.cta-band{background:var(--deep);color:#fff;border-radius:26px;padding:clamp(38px,6vw,68px) clamp(24px,5vw,60px);text-align:center;}
.cta-band h2{font-size:clamp(26px,3.6vw,38px);font-weight:800;line-height:1.24;letter-spacing:-.01em;}
.cta-band p{margin:18px auto 30px;color:rgba(255,255,255,.8);font-size:16.5px;max-width:56ch;line-height:1.85;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding-top:clamp(56px,7vw,84px);}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;margin-bottom:16px;}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--primary),#f79a63);}
.footer-about{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.6);max-width:38ch;}
.footer-title{font-size:14px;font-weight:600;color:var(--primary);letter-spacing:.08em;margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.68);transition:color .2s ease,transform .2s ease;display:inline-block;}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{font-size:14.5px;color:rgba(255,255,255,.68);margin-bottom:12px;}
.footer-bottom{
  margin-top:clamp(44px,6vw,64px);border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.48);
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:20px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 24px;border-radius:999px;background:var(--primary);color:#fff;
  font-size:15px;font-weight:600;box-shadow:0 14px 32px rgba(242,102,42,.36);
  opacity:0;pointer-events:none;transform:translateY(14px);
  transition:opacity .3s ease,transform .3s ease,background .2s ease;
  min-height:48px;
}
.float-cta.show{opacity:1;pointer-events:auto;transform:translateY(0);}
.float-cta:hover{background:var(--primary-dark);}
@media(max-width:520px){.float-cta{right:14px;bottom:16px;padding:13px 20px;font-size:14.5px;}}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .48s ease-out,transform .48s ease-out;}
.reveal.is-visible{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  .card,.post-card,.cat-card,.price-card,.btn{transition:none;}
}

/* roulang page: article */
:root{
  --brand:#F2662A;
  --brand-dark:#D8531C;
  --brand-soft:rgba(242,102,42,.12);
  --accent:#1F5C4A;
  --accent-soft:rgba(31,92,74,.10);
  --bg:#FAF7F2;
  --bg-alt:#F1EDE6;
  --card:#FFFFFF;
  --ink:#1B1B1B;
  --ink-muted:#5C5A57;
  --line:rgba(27,27,27,.08);
  --dark:#191817;
  --shadow-sm:0 8px 24px rgba(27,27,27,.06);
  --shadow-lg:0 18px 40px rgba(27,27,27,.12);
  --radius-card:18px;
  --radius-img:16px;
  --radius-btn:12px;
  --nav-h:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.wrap{padding:0 32px}}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  background:rgba(250,247,242,.76);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .24s ease,box-shadow .24s ease;
}
.site-header.is-solid{background:#fff;box-shadow:0 8px 24px rgba(27,27,27,.08)}
.nav-inner{display:flex;align-items:center;gap:14px;height:var(--nav-h);transition:height .24s ease}
.site-header.is-solid .nav-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;font-size:16.5px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:17px;font-weight:800;box-shadow:0 8px 18px rgba(242,102,42,.28);flex:0 0 auto}
.nav-links{display:none;align-items:center;gap:26px}
.nav-link{position:relative;font-size:15px;color:var(--ink-muted);padding:6px 0;transition:color .2s ease}
.nav-link::after{content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;background:var(--brand);transition:left .24s ease,right .24s ease}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{left:0;right:0}
.nav-link.active{color:var(--ink);font-weight:600}
.nav-link.active::after{left:0;right:0}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
@media (min-width:1024px){
  .nav-links{display:flex;margin-left:auto}
  .nav-actions{margin-left:0}
}
.icon-btn{width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:rgba(255,255,255,.7);display:grid;place-items:center;color:var(--ink-muted);transition:.2s}
.icon-btn:hover{color:var(--brand);border-color:rgba(242,102,42,.35);background:#fff}
.menu-btn{display:grid}
@media (min-width:1024px){.menu-btn{display:none}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;white-space:nowrap}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(242,102,42,.26)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 14px 28px rgba(242,102,42,.32)}
.btn-ghost{border-color:rgba(242,102,42,.45);color:#C24A14;background:transparent}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.search-panel{max-height:0;overflow:hidden;transition:max-height .28s ease,border-color .28s ease;border-top:1px solid transparent;background:transparent}
.search-panel.open{max-height:140px;border-top-color:var(--line);background:#fff;padding:14px 0}
.search-box{display:flex;gap:10px}
.search-box input{flex:1;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;padding:0 14px;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease}
.search-box input::placeholder{color:#9A9793}
.search-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,102,42,.14)}
.mobile-panel{position:fixed;left:0;right:0;top:var(--nav-h);bottom:0;z-index:55;display:flex;flex-direction:column;gap:4px;padding:22px 20px 30px;background:rgba(250,247,242,.97);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);opacity:0;transform:translateY(-12px);pointer-events:none;transition:opacity .26s ease,transform .26s ease}
.mobile-panel.open{opacity:1;transform:none;pointer-events:auto}
.mobile-panel a{padding:15px 4px;font-size:16px;border-bottom:1px solid var(--line);min-height:44px;display:flex;align-items:center}
.mobile-panel a:hover{color:var(--brand)}
.mobile-panel .btn{margin-top:22px;border-bottom:0}
@media (min-width:1024px){.mobile-panel{display:none}}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;
  padding:calc(var(--nav-h) + 48px) 0 56px;
  color:#FAF7F2;
  background-image:linear-gradient(118deg,rgba(25,24,23,.86) 12%,rgba(31,92,74,.72) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(250,247,242,.68)}
.crumb a:hover{color:#fff;text-decoration:underline}
.crumb .sep{opacity:.55}
.crumb .current{max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:rgba(250,247,242,.92)}
.hero-top{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:26px}
.badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;background:var(--brand-soft);color:#B4440F}
.badge.on-dark{background:rgba(242,102,42,.92);color:#fff}
.badge.accent{background:var(--accent-soft);color:var(--accent)}
.article-title{font-size:clamp(27px,4vw,44px);line-height:1.22;font-weight:800;letter-spacing:-.02em;margin:16px 0 18px;color:#fff;max-width:900px}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13.5px;color:rgba(250,247,242,.78)}
.meta-row span{display:inline-flex;align-items:center;gap:6px}
.meta-row .dot{width:5px;height:5px;border-radius:50%;background:var(--brand)}

/* ---------- 正文 ---------- */
.article-shell{padding:clamp(40px,6vw,76px) 0 clamp(48px,6vw,80px)}
.feature-img{max-width:920px;margin:0 auto 40px}
.feature-img img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img);box-shadow:var(--shadow-sm)}
.article-body{max-width:760px;margin:0 auto;font-size:17px;line-height:1.9;color:#26241F}
.article-body p{margin:0 0 1.4em}
.article-body h2{font-size:clamp(22px,2.4vw,27px);font-weight:700;line-height:1.4;color:var(--ink);margin:2.2em 0 .85em}
.article-body h3{font-size:20px;font-weight:600;line-height:1.5;color:var(--ink);margin:1.7em 0 .7em}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .6em}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-dark)}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.35em}
.article-body li{margin:.5em 0}
.article-body blockquote{margin:1.7em 0;padding:16px 22px;background:#fff;border-left:3px solid var(--brand);border-radius:0 12px 12px 0;color:var(--ink-muted);box-shadow:var(--shadow-sm)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-img);margin:1.6em auto;box-shadow:var(--shadow-sm)}
.article-body code{background:var(--bg-alt);padding:.16em .42em;border-radius:6px;font-size:.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.article-body pre{background:#1F1E1C;color:#F4F0E9;padding:18px 20px;border-radius:14px;overflow-x:auto;margin:1.6em 0}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0;min-width:520px}
.article-body .table-scroll{overflow-x:auto;margin:1.6em 0;border:1px solid var(--line);border-radius:14px}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
.article-body th{background:var(--bg-alt);font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.article-body figure{margin:1.8em 0}
.article-body figcaption{font-size:13px;color:var(--ink-muted);text-align:center;margin-top:10px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;max-width:760px;margin:44px auto 0;padding-top:26px;border-top:1px solid var(--line)}
.tag-row .tag{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--ink-muted);transition:.2s}
.tag-row .tag:hover{color:var(--brand);border-color:rgba(242,102,42,.4);transform:translateY(-1px)}
.back-row{max-width:760px;margin:26px auto 0}
.empty-state{max-width:760px;margin:0 auto;padding:48px 28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);text-align:center}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:12px}
.empty-state p{color:var(--ink-muted);font-size:15.5px;margin-bottom:22px}

/* ---------- 相关推荐 ---------- */
.related{background:var(--bg-alt);padding:clamp(56px,7vw,96px) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:34px}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.01em}
.section-head p{color:var(--ink-muted);font-size:15px;margin-top:10px;max-width:640px}
.card-grid{display:grid;gap:22px;grid-template-columns:1fr}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .24s ease,box-shadow .24s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card-cover{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:17.5px;font-weight:700;line-height:1.5;transition:color .2s ease}
.card:hover .card-body h3{color:var(--brand)}
.card-body p{color:var(--ink-muted);font-size:14.5px;line-height:1.75;margin:10px 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-muted)}

/* ---------- 结尾 CTA ---------- */
.cta-band{background:var(--dark);color:#FAF7F2;padding:clamp(56px,7vw,96px) 0;text-align:center}
.cta-band h2{font-size:clamp(25px,3.4vw,38px);font-weight:800;letter-spacing:-.01em}
.cta-band p{color:rgba(250,247,242,.7);font-size:15.5px;max-width:620px;margin:16px auto 30px}
.cta-band .line{width:56px;height:3px;background:var(--brand);border-radius:2px;margin:0 auto 22px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#FAF7F2;padding:64px 0 28px;border-top:1px solid rgba(250,247,242,.08)}
.footer-grid{display:grid;gap:34px;grid-template-columns:1fr}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16.5px}
.footer-about{color:rgba(250,247,242,.62);font-size:14px;line-height:1.8;margin-top:14px;max-width:380px}
.footer-title{font-size:14px;font-weight:600;color:var(--brand);margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(250,247,242,.66);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-contact{list-style:none;display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(250,247,242,.66)}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(250,247,242,.12);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:rgba(250,247,242,.5)}

/* ---------- 浮动 CTA ---------- */
.float-cta{position:fixed;right:20px;bottom:22px;z-index:50;display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 20px;border-radius:999px;background:var(--brand);color:#fff;font-size:14px;font-weight:600;box-shadow:0 12px 28px rgba(242,102,42,.36);opacity:0;transform:translateY(10px);pointer-events:none;transition:opacity .28s ease,transform .28s ease,background .2s ease}
.float-cta.show{opacity:1;transform:none;pointer-events:auto}
.float-cta:hover{background:var(--brand-dark)}
@media (max-width:520px){.float-cta{right:14px;bottom:16px;height:46px;padding:0 16px;font-size:13.5px}}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .48s ease-out,transform .48s ease-out}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .card:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --primary:#F2662A;
  --primary-dark:#d9541d;
  --primary-soft:rgba(242,102,42,.08);
  --accent:#1F5C4A;
  --accent-soft:rgba(31,92,74,.10);
  --bg:#FAF7F2;
  --bg-alt:#F1EDE6;
  --card:#FFFFFF;
  --dark:#191817;
  --text:#1B1B1B;
  --muted:#5C5A57;
  --line:rgba(27,27,27,.08);
  --shadow:0 8px 24px rgba(27,27,27,.06);
  --shadow-hover:0 16px 36px rgba(27,27,27,.12);
  --radius:18px;
  --radius-sm:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul{list-style:none;padding:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}

.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.wrap{padding:0 32px}}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(250,247,242,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .24s ease,box-shadow .24s ease;
}
.site-header.scrolled{background:#fff;box-shadow:0 6px 22px rgba(27,27,27,.08)}
.nav-inner{display:flex;align-items:center;gap:14px;height:76px;transition:height .24s ease}
.site-header.scrolled .nav-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),#ff9a5a);
  color:#fff;display:grid;place-items:center;font-size:16px;font-weight:800;
}
.nav-links{display:none;gap:4px;margin-left:auto}
@media(min-width:1024px){.nav-links{display:flex}}
.nav-link{
  position:relative;padding:8px 14px;border-radius:10px;font-size:15px;color:var(--muted);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft)}
.nav-link.active{color:var(--primary);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
@media(min-width:1024px){.nav-actions{margin-left:0}}
.icon-btn{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  color:var(--muted);border:1px solid transparent;transition:all .2s ease;
}
.icon-btn:hover{color:var(--primary);background:var(--primary-soft);border-color:rgba(242,102,42,.2)}
.menu-btn{display:grid}
@media(min-width:1024px){.menu-btn{display:none}}
.nav-cta{display:none}
@media(min-width:640px){.nav-cta{display:inline-flex}}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;font-weight:700;font-size:15px;padding:12px 24px;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease;
  min-height:44px;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(242,102,42,.28)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
.btn-ghost{border:1px solid rgba(242,102,42,.5);color:var(--primary);background:transparent}
.btn-ghost:hover{background:var(--primary-soft);transform:translateY(-2px)}
.btn-light{background:#FAF7F2;color:var(--dark)}
.btn-light:hover{background:#fff;transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px;min-height:38px}

.search-panel{display:none;border-top:1px solid var(--line);background:#fff}
.search-panel.open{display:block}
.search-panel .wrap{padding-top:14px;padding-bottom:14px}
.search-box{display:flex;gap:10px;align-items:center}
.search-box input{
  flex:1;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--bg);padding:0 16px;color:var(--text);
}
.search-box input::placeholder{color:var(--muted)}
.search-box input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}

.mobile-panel{
  display:none;position:fixed;inset:0;z-index:70;background:rgba(25,24,23,.96);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  padding:96px 24px 32px;
}
.mobile-panel.open{display:flex;flex-direction:column}
.mobile-panel a{
  display:flex;align-items:center;min-height:52px;font-size:17px;color:#FAF7F2;
  border-bottom:1px solid rgba(250,247,242,.12);
}
.mobile-panel a.active{color:var(--primary);font-weight:700}
.mobile-panel .btn{margin-top:auto}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--dark);padding:132px 0 64px;min-height:300px;display:flex;align-items:center}
.page-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.4}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(25,24,23,.72),rgba(25,24,23,.9));
}
.page-hero-inner{position:relative;z-index:2;color:#FAF7F2;max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:99px;font-size:13px;letter-spacing:.04em;
  color:#ffd0b4;background:rgba(242,102,42,.16);border:1px solid rgba(242,102,42,.34);
}
.page-hero h1{font-size:clamp(28px,4.6vw,48px);line-height:1.18;font-weight:800;letter-spacing:-.02em;margin:16px 0 14px}
.page-hero .lead{font-size:clamp(15px,1.4vw,17px);color:rgba(250,247,242,.8);max-width:620px}

/* ---------- sections ---------- */
.section{padding:clamp(56px,7vw,96px) 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:720px;margin-bottom:clamp(32px,4vw,52px)}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.015em;margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16px}
.badge{
  display:inline-block;padding:4px 12px;border-radius:99px;font-size:13px;font-weight:600;
  color:var(--accent);background:var(--accent-soft);margin-bottom:14px;
}
.badge-warm{color:var(--primary);background:var(--primary-soft)}

.split{display:grid;gap:clamp(32px,4vw,56px)}
@media(min-width:1024px){.split{grid-template-columns:1fr 1.02fr;align-items:start}}
.prose p{color:var(--muted);margin-bottom:18px;font-size:16px}
.prose strong{color:var(--text)}

.point-list{display:grid;gap:12px;margin-top:26px}
@media(min-width:640px){.point-list{grid-template-columns:1fr 1fr}}
.point-item{
  display:flex;gap:10px;align-items:flex-start;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px 16px;
  font-size:14.5px;color:var(--muted);box-shadow:var(--shadow);
}
.point-item svg{flex:0 0 18px;margin-top:4px;color:var(--primary)}

.card-col{display:flex;flex-direction:column;gap:18px}
.mini-card{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(242,102,42,.32)}
.mini-card figure{flex:0 0 104px;width:104px;height:84px;border-radius:14px;overflow:hidden;margin:0;background:var(--bg-alt)}
.mini-card figure img{width:100%;height:100%;object-fit:cover}
.mini-card h3{font-size:17px;font-weight:700;margin-bottom:6px}
.mini-card p{font-size:14.5px;color:var(--muted)}
.mini-card .meta{display:block;margin-top:8px;font-size:12.5px;color:rgba(92,90,87,.85)}
@media(max-width:519px){.mini-card{flex-direction:column}.mini-card figure{width:100%;height:150px;flex:none}}

.entry-grid{display:grid;gap:20px}
@media(min-width:640px){.entry-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.entry-grid{grid-template-columns:repeat(4,1fr)}}
.entry-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;box-shadow:var(--shadow);transition:transform .24s ease,box-shadow .24s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.stamp{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:16px;color:#fff;background:var(--accent);
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.entry-card:nth-child(2n) .stamp{background:var(--primary)}
.entry-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.entry-card p{font-size:14.5px;color:var(--muted)}

.steps{display:grid;gap:20px;counter-reset:step}
@media(min-width:768px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px 22px 24px;box-shadow:var(--shadow);
}
.step::before{
  content:attr(data-step);position:absolute;top:-14px;left:22px;
  width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:15px;
  box-shadow:0 6px 16px rgba(242,102,42,.34);font-variant-numeric:tabular-nums;
}
.step h3{font-size:17.5px;font-weight:700;margin:14px 0 8px}
.step p{font-size:14.5px;color:var(--muted)}

.stats{display:grid;gap:20px}
@media(min-width:768px){.stats{grid-template-columns:repeat(3,1fr)}}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;box-shadow:var(--shadow);
}
.stat .num{
  font-size:clamp(32px,4vw,44px);font-weight:800;line-height:1;color:var(--primary);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat .unit{font-size:15px;font-weight:600;color:var(--muted);margin-left:6px}
.stat p{margin-top:12px;font-size:14.5px;color:var(--muted)}

.check-list{display:grid;gap:14px;margin-top:26px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--muted);
  border-bottom:1px dashed var(--line);padding-bottom:14px;
}
.check-list li:last-child{border-bottom:0}
.check-list svg{flex:0 0 18px;margin-top:5px;color:var(--accent)}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;justify-content:space-between;
  align-items:center;gap:18px;padding:20px 2px;font-size:17px;font-weight:600;min-height:56px;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);transition:transform .26s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-body{padding:0 2px 22px;color:var(--muted);font-size:15.5px;line-height:1.85;max-width:860px}

/* ---------- cta ---------- */
.cta-band{background:var(--dark);color:#FAF7F2;padding:clamp(56px,7vw,92px) 0;text-align:center;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,102,42,.28),transparent 68%);
  top:-160px;left:50%;transform:translateX(-50%);
}
.cta-band .wrap{position:relative;z-index:2}
.cta-band h2{font-size:clamp(24px,3.2vw,38px);font-weight:800;letter-spacing:-.02em;margin-bottom:14px}
.cta-band p{color:rgba(250,247,242,.72);max-width:620px;margin:0 auto 28px}
.cta-line{width:64px;height:3px;border-radius:3px;background:var(--primary);margin:0 auto 24px}
.btn-group{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#FAF7F2;padding:clamp(48px,6vw,72px) 0 28px}
.footer-grid{display:grid;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;margin-bottom:16px}
.footer-about{font-size:14px;color:rgba(250,247,242,.66);max-width:340px}
.footer-title{font-size:14px;font-weight:600;color:var(--primary);margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a,.footer-contact li{
  font-size:14px;color:rgba(250,247,242,.68);transition:color .2s ease,transform .2s ease;
}
.footer-links a:hover{color:#FAF7F2;transform:translateX(2px)}
.footer-contact li{margin-bottom:10px;line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(250,247,242,.12);margin-top:44px;padding-top:22px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(250,247,242,.54);
}

/* ---------- float cta ---------- */
.float-cta{
  position:fixed;right:20px;bottom:22px;z-index:90;
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 20px;border-radius:99px;min-height:48px;
  background:var(--primary);color:#fff;font-weight:700;font-size:14.5px;
  box-shadow:0 12px 28px rgba(242,102,42,.36);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease,background .2s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{background:var(--primary-dark)}

.reveal{opacity:0;transform:translateY(16px)}
.reveal.in{opacity:1;transform:translateY(0);transition:opacity .48s ease-out,transform .48s ease-out}
@media(prefers-reduced-motion:reduce){
  .reveal,.reveal.in{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .btn:hover,.mini-card:hover,.entry-card:hover,.float-cta{transform:none}
}

/* roulang page: category2 */
:root{
  --brand:#F2662A;
  --brand-dark:#D9531B;
  --green:#1F5C4A;
  --bg:#FAF7F2;
  --bg-alt:#F1EDE6;
  --card:#FFFFFF;
  --text:#1B1B1B;
  --muted:#5C5A57;
  --line:rgba(27,27,27,.08);
  --shadow:0 8px 24px rgba(27,27,27,.06);
  --shadow-hover:0 16px 34px rgba(27,27,27,.12);
  --r-card:18px;
  --r-btn:12px;
  --r-img:16px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:768px){.wrap{padding-left:32px;padding-right:32px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  padding:12px 0;
  background:rgba(250,247,242,.62);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(27,27,27,.06);
  transition:padding .24s ease,background .24s ease,box-shadow .24s ease;
}
.site-header.scrolled{padding:6px 0;background:rgba(255,255,255,.97);box-shadow:0 6px 20px rgba(27,27,27,.08)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:16.5px;letter-spacing:-.01em;color:var(--text);white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:17px;font-weight:800;box-shadow:0 6px 16px rgba(242,102,42,.28);flex:0 0 auto}
.nav-links{display:none;align-items:center;gap:4px}
.nav-link{position:relative;padding:9px 12px;font-size:15px;color:var(--muted);border-radius:10px;transition:color .2s ease,background .2s ease}
.nav-link::after{content:"";position:absolute;left:50%;right:50%;bottom:3px;height:2px;background:var(--brand);transition:left .24s ease,right .24s ease}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{left:12px;right:12px}
.nav-link.active{color:var(--brand)}
.nav-link.active::after{left:12px;right:12px}
.nav-actions{display:flex;align-items:center;gap:8px}
.icon-btn{width:40px;height:40px;display:grid;place-items:center;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.72);color:var(--text);transition:border-color .2s ease,color .2s ease,background .2s ease}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);background:#fff}
.icon-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.menu-btn{display:grid}
@media (min-width:1024px){
  .nav-links{display:flex}
  .menu-btn{display:none}
}
@media (max-width:560px){
  .brand span:last-child{font-size:15px}
  .nav-cta{display:none}
}
.search-panel{max-height:0;overflow:hidden;border-top:1px solid transparent;transition:max-height .3s ease,border-color .3s ease}
.search-panel.open{max-height:120px;border-top-color:var(--line)}
.search-box{display:flex;gap:10px;padding:14px 0}
.search-box input{flex:1;min-width:0;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;padding:0 14px;font-size:15px;color:var(--text)}
.search-box input::placeholder{color:#9C9790}
.search-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,102,42,.14)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(242,102,42,.24)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-outline{background:transparent;border-color:rgba(27,27,27,.18);color:var(--text)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);background:rgba(242,102,42,.06);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px}

/* ---------- 移动菜单 ---------- */
.mobile-panel{position:fixed;inset:0;z-index:90;background:rgba(250,247,242,.98);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:88px 24px 32px;display:flex;flex-direction:column;gap:2px;transform:translateX(102%);visibility:hidden;transition:transform .3s ease,visibility .3s ease}
.mobile-panel.open{transform:none;visibility:visible}
.mobile-panel a{display:flex;align-items:center;min-height:52px;font-size:17px;font-weight:600;border-bottom:1px solid var(--line);color:var(--text)}
.mobile-panel a.active{color:var(--brand)}
.mobile-close{position:absolute;top:22px;right:20px;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;color:var(--text)}
.mobile-close:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.mobile-meta{margin-top:auto;font-size:13.5px;color:var(--muted);line-height:1.9}

/* ---------- 分类 Hero ---------- */
.page-hero{position:relative;display:flex;align-items:center;min-height:320px;padding:132px 0 60px;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(25,24,23,.88) 0%,rgba(25,24,23,.66) 52%,rgba(31,92,74,.58) 100%)}
.page-hero .wrap{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:16px}
.crumb a{color:rgba(255,255,255,.8)}
.crumb a:hover{color:#fff}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(242,102,42,.18);border:1px solid rgba(242,102,42,.42);color:#FFD9C6;font-size:13px;font-weight:600}
.page-hero h1{margin-top:18px;font-size:clamp(28px,5vw,44px);font-weight:800;line-height:1.18;letter-spacing:-.02em;color:#fff}
.page-hero .lead{margin-top:14px;max-width:680px;font-size:16px;color:rgba(255,255,255,.84)}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-meta span{font-size:13px;color:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.22);padding:6px 12px;border-radius:999px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* ---------- 通用板块 ---------- */
.section{padding:clamp(56px,7vw,96px) 0}
.section-alt{background:var(--bg-alt)}
.sec-head{max-width:740px;margin-bottom:36px}
.sec-tag{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand);margin-bottom:12px}
.sec-head h2{font-size:clamp(24px,3.4vw,34px);font-weight:700;line-height:1.26;letter-spacing:-.01em}
.sec-head p{margin-top:12px;font-size:15.5px;color:var(--muted)}

/* ---------- 标签筛选 + 卡片网格 ---------- */
.tag-filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.tag-btn{height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:14px;font-weight:600;transition:border-color .2s ease,color .2s ease,background .2s ease,box-shadow .2s ease}
.tag-btn:hover{border-color:var(--brand);color:var(--brand)}
.tag-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.tag-btn.active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(242,102,42,.24)}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:22px}
.gcard{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease}
.gcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(242,102,42,.3)}
.gcard.hide{display:none}
.gcard-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.gcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.gcard:hover .gcard-media img{transform:scale(1.04)}
.gcard-badge{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.94);color:var(--green);font-size:12px;font-weight:700;padding:5px 11px;border-radius:999px;border:1px solid var(--line)}
.gcard-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:18px 20px 22px}
.gcard-body h3{font-size:17px;font-weight:700;line-height:1.42}
.gcard-body p{font-size:14.5px;line-height:1.7;color:var(--muted)}
.gcard-foot{margin-top:auto;padding-top:6px;font-size:13px;color:#8B8680;display:flex;align-items:center;gap:6px}
.grid-empty{display:none}

/* ---------- 图文分栏 ---------- */
.split{display:grid;gap:32px;align-items:center}
@media (min-width:960px){.split{grid-template-columns:1.02fr .98fr;gap:48px}}
.split-media{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-media figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:13px;color:#fff;background:linear-gradient(0deg,rgba(25,24,23,.82),rgba(25,24,23,0))}
.feature-list{margin-top:22px;display:grid;gap:14px}
.feature-item{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease}
.feature-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.feature-num{flex:0 0 32px;height:32px;border-radius:9px;background:rgba(31,92,74,.12);color:var(--green);display:grid;place-items:center;font-weight:800;font-size:14px}
.feature-item h4{font-size:16px;font-weight:700;margin-bottom:4px}
.feature-item p{font-size:14px;color:var(--muted);line-height:1.7}

/* ---------- 数据条 ---------- */
.stat-row{display:grid;gap:18px;grid-template-columns:repeat(2,1fr)}
@media (min-width:768px){.stat-row{grid-template-columns:repeat(4,1fr)}}
.stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 18px;text-align:center;box-shadow:var(--shadow)}
.stat b{display:block;font-size:clamp(26px,4vw,34px);font-weight:800;color:var(--brand);letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.2}
.stat span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted)}

/* ---------- 流程 ---------- */
.steps{display:grid;gap:20px}
@media (min-width:768px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 20px;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.step-index{width:38px;height:38px;border-radius:11px;background:var(--green);color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:14px}
.step h3{font-size:16.5px;font-weight:700;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.7}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;padding:20px 4px;background:none;border:0;text-align:left;font-size:16.5px;font-weight:600;color:var(--text);transition:color .2s ease}
.faq-q:hover{color:var(--brand)}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.faq-q svg{flex:0 0 auto;transition:transform .26s ease}
.faq-item.open .faq-q svg{transform:rotate(180deg)}
.faq-item.open .faq-q{color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a-inner{padding:0 4px 20px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- 结尾 CTA ---------- */
.cta-band{position:relative;background:#191817;padding:clamp(48px,6vw,80px) 0;overflow:hidden}
.cta-band::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:72px;height:4px;background:var(--brand)}
.cta-inner{position:relative;max-width:720px;margin:0 auto;text-align:center}
.cta-inner h2{font-size:clamp(24px,3.6vw,36px);font-weight:800;letter-spacing:-.01em;color:#fff;line-height:1.24}
.cta-inner p{margin-top:14px;font-size:15.5px;color:rgba(250,247,242,.72)}
.cta-btns{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ---------- 页脚 ---------- */
.site-footer{background:#191817;color:#B9B4AC;padding:clamp(48px,6vw,72px) 0 28px;border-top:1px solid rgba(255,255,255,.06)}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:960px){.footer-grid{grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;margin-bottom:14px}
.footer-about{font-size:14px;line-height:1.85;color:#96918A;max-width:420px}
.footer-title{font-size:14px;font-weight:700;color:var(--brand);margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{display:inline-block;font-size:14px;color:#A8A39B;transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-contact{display:grid;gap:10px;font-size:14px;color:#A8A39B}
.footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#7E7972}

/* ---------- 浮动按钮 ---------- */
.to-top{position:fixed;right:18px;bottom:20px;z-index:70;display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 18px;border-radius:999px;border:0;background:var(--brand);color:#fff;font-size:14px;font-weight:600;box-shadow:0 12px 28px rgba(242,102,42,.32);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .28s ease,transform .28s ease,visibility .28s ease,background .2s ease}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--brand-dark)}
.to-top:focus-visible{outline:2px solid #fff;outline-offset:2px}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .48s ease-out,transform .48s ease-out}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .gcard:hover,.step:hover,.feature-item:hover,.btn:hover{transform:none}
}