/* roulang page: index */
:root{
  --green:#12433C;
  --green-deep:#0B2E29;
  --green-light:#1E6B5E;
  --amber:#E9A03B;
  --amber-hover:#F2B65C;
  --amber-active:#C9862A;
  --terracotta:#C4573F;
  --paper:#F7F4EC;
  --card:#FFFFFF;
  --text:#1A2320;
  --text-2:#4C5A55;
  --text-3:#8A968F;
  --border:#E3DED3;
  --divider:#EFEBE2;
  --success:#2F7D5B;
  --radius-card:14px;
  --radius-img:12px;
  --radius-input:10px;
  --radius-badge:6px;
  --shadow-card:0 2px 10px rgba(11,46,41,.06);
  --shadow-hover:0 10px 26px rgba(11,46,41,.12);
  --shadow-drawer:0 18px 48px rgba(11,46,41,.18);
  --sidebar-w:240px;
  --sec-gap:72px;
}
@media (min-width:1024px) and (max-width:1199px){:root{--sidebar-w:200px;}}
@media (max-width:1023px){:root{--sidebar-w:268px;}}

*,*::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","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;color:var(--text);background:var(--paper);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;border-style:none;}
a{color:var(--green-light);text-decoration:none;background-color:transparent;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--amber-active);}
button{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
::selection{background:rgba(233,160,59,.35);color:var(--green-deep);}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ============ 容器 ============ */
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}

/* ============ 左侧导航 ============ */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);z-index:60;
  background:var(--green-deep);color:rgba(255,255,255,.84);
  padding:26px 18px 22px;display:flex;flex-direction:column;gap:20px;
  overflow-y:auto;border-right:1px solid rgba(255,255,255,.06);
}
.side-nav::-webkit-scrollbar{width:6px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:3px;}
.side-nav::-webkit-scrollbar-track{background:transparent;}

.brand{display:flex;align-items:center;gap:11px;color:#fff;flex:0 0 auto;}
.brand:hover{color:#fff;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;padding:7px;
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:2.5px;
  background:rgba(233,160,59,.16);border:1px solid rgba(233,160,59,.3);border-radius:11px;
}
.brand-mark i{display:block;background:var(--amber);border-radius:50%;}
.brand-text{font-size:15px;font-weight:700;line-height:1.32;letter-spacing:.02em;color:#fff;}
.brand-text em{display:block;font-style:normal;font-size:11.5px;font-weight:400;color:rgba(255,255,255,.5);letter-spacing:.08em;margin-top:3px;}

.side-menu{display:flex;flex-direction:column;gap:3px;}
.side-link{
  position:relative;display:block;padding:10px 12px 10px 16px;border-radius:10px;
  color:rgba(255,255,255,.78);font-size:14px;letter-spacing:.02em;
  transition:background-color .2s ease,color .2s ease;
}
.side-link::before{
  content:"";position:absolute;left:0;top:50%;width:3px;height:20px;border-radius:0 3px 3px 0;
  background:var(--amber);transform:translateY(-50%) scaleY(0);transform-origin:center;
  transition:transform .22s ease;
}
.side-link:hover{background:rgba(255,255,255,.07);color:#fff;}
.side-link:hover::before{transform:translateY(-50%) scaleY(1);}
.side-link.is-active{background:rgba(30,107,94,.45);color:#fff;font-weight:600;}
.side-link.is-active::before{transform:translateY(-50%) scaleY(1);}
.side-link:focus-visible{outline:2px solid var(--amber);outline-offset:2px;}

.side-divider{height:1px;background:rgba(255,255,255,.1);margin:2px 0;}

.side-quick{display:flex;flex-direction:column;gap:2px;}
.side-quick-title{
  font-size:12px;letter-spacing:.16em;color:rgba(255,255,255,.42);
  margin:0 0 6px 12px;text-transform:uppercase;
}
.side-quick a{
  display:block;padding:7px 12px;border-radius:8px;font-size:13.5px;
  color:rgba(255,255,255,.66);
}
.side-quick a:hover{background:rgba(255,255,255,.07);color:#fff;}

.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:14px;}
.side-cta{
  width:100%;min-height:44px;border-radius:10px;border:1.5px solid rgba(233,160,59,.5);
  background:rgba(233,160,59,.12);color:var(--amber-hover);
  font-size:14px;font-weight:600;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,transform .18s ease;
}
.side-cta:hover{background:var(--amber);color:#2A1B05;transform:translateY(-1px);}
.side-cta:active{background:var(--amber-active);color:#2A1B05;transform:translateY(0);}
.side-cta:focus-visible{outline:2px solid var(--amber);outline-offset:2px;}
.side-copy{margin:0;font-size:12px;color:rgba(255,255,255,.4);letter-spacing:.02em;}

/* ============ 移动顶栏 ============ */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  background:rgba(11,46,41,.97);align-items:center;justify-content:space-between;
  padding:0 12px 0 16px;border-bottom:1px solid rgba(255,255,255,.08);
}
.m-logo{display:flex;align-items:center;gap:9px;color:#fff;font-size:15px;font-weight:700;}
.m-logo:hover{color:#fff;}
.m-logo .brand-mark{width:30px;height:30px;flex:0 0 30px;padding:5px;border-radius:9px;gap:2px;}
.m-toggle{
  width:44px;height:44px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  background:transparent;border:0;cursor:pointer;border-radius:10px;
}
.m-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:#fff;transition:transform .25s ease,opacity .25s ease;}
.m-toggle:focus-visible{outline:2px solid var(--amber);outline-offset:-2px;}
body.nav-open .m-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg);}
body.nav-open .m-toggle span:nth-child(2){opacity:0;}
body.nav-open .m-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.nav-mask{
  display:none;position:fixed;inset:0;background:rgba(11,46,41,.5);z-index:55;
  opacity:0;transition:opacity .25s ease;
}

/* ============ 主区域 ============ */
.main-area{margin-left:var(--sidebar-w);min-width:0;background:var(--paper);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:10px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;text-align:center;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn:focus-visible{outline:2px solid var(--green);outline-offset:2px;}
.btn-primary{background:var(--amber);color:#2A1B05;box-shadow:0 4px 14px rgba(233,160,59,.26);}
.btn-primary:hover{background:var(--amber-hover);color:#2A1B05;transform:translateY(-1px);}
.btn-primary:active{background:var(--amber-active);color:#2A1B05;transform:translateY(0);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.42);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.72);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost:focus-visible{outline:2px solid #fff;outline-offset:2px;}
.btn-outline{background:transparent;border-color:var(--green);color:var(--green);}
.btn-outline:hover{background:rgba(18,67,60,.08);color:var(--green);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px;}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:4px;padding:2px 9px;border-radius:var(--radius-badge);
  font-size:12.5px;line-height:1.7;background:rgba(18,67,60,.08);color:var(--green);letter-spacing:.02em;
}
.badge-hot{background:rgba(196,87,63,.12);color:var(--terracotta);}
.badge-amber{background:rgba(233,160,59,.16);color:#8A5A0B;}

/* ============ 首屏 ============ */
.hero{position:relative;background:var(--green-deep);color:#fff;overflow:hidden;}
.hero-bg{position:absolute;inset:0;background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;opacity:.34;}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(11,46,41,.97) 0%,rgba(11,46,41,.86) 44%,rgba(18,67,60,.6) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:48px;align-items:center;padding:66px 0 74px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:999px;
  background:rgba(233,160,59,.16);border:1px solid rgba(233,160,59,.36);
  color:var(--amber-hover);font-size:13px;letter-spacing:.06em;
}
.hero-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber);}
.hero h1{
  font-family:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  font-size:36px;line-height:1.34;font-weight:700;color:#fff;margin:22px 0 16px;letter-spacing:.01em;
}
.hero-sub{font-size:18px;line-height:1.75;color:rgba(255,255,255,.76);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:34px;}
.hero-facts{display:flex;gap:34px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.16);padding-top:22px;}
.hero-facts li{display:flex;flex-direction:column;gap:2px;}
.hero-facts strong{
  font-family:"Noto Serif SC","Songti SC",serif;font-size:25px;font-weight:700;
  color:var(--amber);line-height:1.2;font-variant-numeric:tabular-nums;
}
.hero-facts span{font-size:13px;color:rgba(255,255,255,.6);letter-spacing:.04em;}
.hero-media{position:relative;border-radius:16px;overflow:hidden;box-shadow:0 22px 54px rgba(0,0,0,.34);}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(18,67,60,.14);}

/* ============ 板块统一样式 ============ */
.section{padding:var(--sec-gap) 0;}
.section-head{max-width:760px;margin-bottom:34px;}
.section-kicker{
  display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--green-light);
  background:rgba(18,67,60,.08);padding:4px 12px;border-radius:var(--radius-badge);margin-bottom:14px;
}
.section-head h2{font-size:26px;line-height:1.42;position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--green);
}
.section-desc{margin-top:14px;color:var(--text-2);font-size:15.5px;line-height:1.8;}
.section-foot{margin-top:30px;display:flex;justify-content:center;}

/* ============ 专题合集网格 ============ */
.grid-collections{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;}
.coll-card{
  grid-column:span 2;position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.coll-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(18,67,60,.22);}
.coll-card:focus-visible{outline:2px solid var(--green);outline-offset:3px;}
.coll-featured{grid-column:span 6;flex-direction:row;}
.coll-featured .coll-media{flex:0 0 47%;}
.coll-media{position:relative;overflow:hidden;background:rgba(18,67,60,.08);}
.coll-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .42s ease;}
.coll-featured .coll-media img{aspect-ratio:auto;height:100%;min-height:250px;}
.coll-card:hover .coll-media img{transform:scale(1.03);}
.coll-flag{
  position:absolute;top:12px;left:12px;padding:2px 10px;border-radius:var(--radius-badge);
  background:rgba(196,87,63,.92);color:#fff;font-size:12px;letter-spacing:.04em;
}
.coll-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;min-width:0;}
.coll-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.coll-name{font-size:18px;font-weight:600;line-height:1.48;color:var(--text);}
.coll-card:hover .coll-name{color:var(--green-light);}
.coll-desc{font-size:14px;color:var(--text-2);line-height:1.72;margin:0;}
.coll-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:10px;font-size:13px;color:var(--text-3);border-top:1px solid var(--divider);padding-top:12px;
}
.coll-arrow{font-size:16px;transition:transform .2s ease,color .2s ease;}
.coll-card:hover .coll-arrow{transform:translateX(4px);color:var(--amber);}

/* ============ 精选条目 ============ */
.picks-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:40px;align-items:start;}
.picks-toc{position:sticky;top:32px;display:flex;flex-direction:column;border-left:1px solid var(--divider);}
.picks-toc a{
  display:block;padding:9px 14px;margin-left:-1px;font-size:14px;color:var(--text-2);
  border-left:2px solid transparent;border-radius:0 8px 8px 0;
  transition:color .2s ease,background-color .2s ease,border-color .2s ease;
}
.picks-toc a:hover{color:var(--green-light);background:rgba(18,67,60,.05);}
.picks-toc a.is-active{color:var(--green);font-weight:600;border-left-color:var(--amber);background:rgba(18,67,60,.06);}
.picks-list{display:flex;flex-direction:column;}
.pick-item{
  position:relative;display:grid;grid-template-columns:56px minmax(0,1fr) 26px;gap:18px;align-items:start;
  padding:24px 8px 24px 0;border-bottom:1px solid var(--divider);color:inherit;
  transition:background-color .2s ease;
}
.pick-item:first-child{padding-top:4px;}
.pick-item:hover{background:rgba(18,67,60,.025);color:inherit;}
.pick-num{
  font-family:"Noto Serif SC","Songti SC",serif;font-size:26px;font-weight:700;
  color:rgba(18,67,60,.24);line-height:1.1;padding-top:2px;font-variant-numeric:tabular-nums;
}
.pick-title{font-size:18px;font-weight:600;line-height:1.55;color:var(--text);margin-bottom:8px;}
.pick-item:hover .pick-title{color:var(--green-light);}
.pick-desc{font-size:14.5px;color:var(--text-2);line-height:1.75;margin-bottom:12px;}
.pick-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--text-3);}
.pick-arrow{font-size:18px;color:var(--text-3);padding-top:6px;transition:transform .2s ease,color .2s ease;}
.pick-item:hover .pick-arrow{transform:translateX(4px);color:var(--amber);}

/* ============ 最新信息 ============ */
.grid-latest{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.post-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-card);padding:22px 24px;box-shadow:var(--shadow-card);color:inherit;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(18,67,60,.22);color:inherit;}
.post-card:focus-visible{outline:2px solid var(--green);outline-offset:3px;}
.post-title{font-size:17.5px;font-weight:600;line-height:1.55;color:var(--text);margin-bottom:10px;}
.post-card:hover .post-title{color:var(--green-light);}
.post-summary{
  font-size:14.5px;color:var(--text-2);line-height:1.75;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-3);margin-top:auto;flex-wrap:wrap;}
.post-time{font-variant-numeric:tabular-nums;}
.post-arrow{margin-left:auto;font-size:16px;transition:transform .2s ease,color .2s ease;}
.post-card:hover .post-arrow{transform:translateX(4px);color:var(--amber);}

.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:48px 24px;background:var(--card);border:1px dashed var(--border);
  border-radius:var(--radius-card);text-align:center;color:var(--text-2);
}
.empty-mark{
  width:76px;height:76px;border-radius:16px;
  background-color:rgba(18,67,60,.08);
  background-image:radial-gradient(rgba(18,67,60,.28) 1.6px,transparent 1.7px);
  background-size:12px 12px;background-position:center;
}
.empty-state p{margin:0;font-size:15px;}

/* ============ 横向推荐 ============ */
.hscroll{
  display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 60px) / 4);
  gap:20px;overflow-x:auto;padding-bottom:10px;scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.hscroll::-webkit-scrollbar{height:6px;}
.hscroll::-webkit-scrollbar-thumb{background:rgba(18,67,60,.2);border-radius:3px;}
.mini-card{
  scroll-snap-align:start;display:flex;flex-direction:column;overflow:hidden;color:inherit;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(18,67,60,.22);color:inherit;}
.mini-card:focus-visible{outline:2px solid var(--green);outline-offset:3px;}
.mini-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.mini-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.mini-title{font-size:16px;font-weight:600;line-height:1.5;color:var(--text);}
.mini-card:hover .mini-title{color:var(--green-light);}
.mini-body .badge{align-self:flex-start;}

/* ============ 深色 CTA ============ */
.cta-band{background:var(--green-deep);color:#fff;padding:52px 0;position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(233,160,59,.16) 0%,transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h2{font-size:24px;line-height:1.5;color:#fff;margin-bottom:10px;}
.cta-band p{margin:0;font-size:15px;color:rgba(255,255,255,.72);max-width:640px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-mask{position:absolute;inset:0;background:url("/assets/images/backpic/back-3.png") center/cover no-repeat;opacity:.07;}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:280px minmax(0,1fr);gap:44px;align-items:start;}
.faq-side p{font-size:15px;color:var(--text-2);line-height:1.8;}
.faq-side .btn{margin-top:10px;}
.faq-list{border-top:1px solid var(--divider);}
.accordion{border:0;background:transparent;margin:0;}
.accordion-item{border:0;border-bottom:1px solid var(--divider);background:transparent;}
.accordion-title{
  display:block;position:relative;padding:20px 54px 20px 0;border:0;background:transparent;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;border-radius:0;
  transition:color .2s ease,background-color .2s ease;
}
.accordion-title:hover{color:var(--green-light);background:rgba(18,67,60,.03);}
.accordion-title:focus-visible{outline:2px solid var(--green);outline-offset:-2px;}
.accordion-title::before,
.accordion-title::after{
  content:"";position:absolute;right:18px;top:50%;width:12px;height:2px;border-radius:1px;
  background:var(--green-light);
}
.accordion-title::before{transform:translateY(-50%);}
.accordion-title::after{transform:translateY(-50%) rotate(90deg);transition:transform .25s ease;}
.accordion-item.is-active > .accordion-title{color:var(--green);}
.accordion-item.is-active > .accordion-title::after{transform:translateY(-50%) rotate(0deg);}
.accordion-content{
  display:none;padding:0 60px 22px 0;border:0;background:transparent;
  font-size:15px;line-height:1.85;color:var(--text-2);
}
.accordion-content p:last-child{margin-bottom:0;}

/* ============ 页脚 ============ */
.site-footer{background:var(--green-deep);color:rgba(255,255,255,.78);padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;color:#fff;}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;padding:6px;border-radius:10px;}
.footer-brand strong{font-size:16px;font-weight:700;color:#fff;letter-spacing:.02em;}
.footer-brand:hover{color:#fff;}
.site-footer h3{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.64);}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.78);width:fit-content;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--amber);text-underline-offset:3px;}
.footer-form{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px;}
.footer-form input{
  flex:1 1 160px;min-height:44px;padding:10px 14px;border-radius:var(--radius-input);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);
  color:#fff;font-size:14px;outline:none;
  transition:border-color .2s ease,background-color .2s ease;
}
.footer-form input::placeholder{color:rgba(255,255,255,.42);}
.footer-form input:focus{border-color:var(--amber);background:rgba(255,255,255,.1);}
.footer-form button{border:0;}
.form-note{margin:12px 0 0;font-size:13px;color:rgba(255,255,255,.5);min-height:20px;}
.footer-info{font-size:14px;line-height:1.9;color:rgba(255,255,255,.64);}
.footer-info span{display:block;}
.footer-bottom{
  margin-top:42px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.48);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 24px;}
  .hero-grid{gap:36px;padding:56px 0 62px;}
  .hero h1{font-size:32px;}
  .hero-sub{font-size:17px;}
  .picks-layout{grid-template-columns:190px minmax(0,1fr);gap:30px;}
  .faq-wrap{grid-template-columns:240px minmax(0,1fr);gap:32px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
  .footer-info{grid-column:1/-1;}
}
@media (max-width:1023px){
  .mobile-bar{display:flex;}
  .side-nav{
    transform:translateX(-100%);transition:transform .28s cubic-bezier(.4,0,.2,1);
    box-shadow:var(--shadow-drawer);width:var(--sidebar-w);
  }
  body.nav-open .side-nav{transform:translateX(0);}
  body.nav-open .nav-mask{display:block;opacity:1;}
  body.nav-open{overflow:hidden;}
  .main-area{margin-left:0;padding-top:56px;}
  .hero-grid{grid-template-columns:minmax(0,1fr);padding:44px 0 52px;gap:30px;}
  .hero-media{order:-1;}
  .hero-media img{aspect-ratio:16/9;}
  .hero h1{font-size:29px;}
  .hero-facts{gap:26px;}
  .grid-collections{grid-template-columns:repeat(4,1fr);}
  .coll-featured{grid-column:span 4;flex-direction:column;}
  .coll-featured .coll-media{flex:0 0 auto;}
  .coll-featured .coll-media img{aspect-ratio:16/9;min-height:0;height:auto;}
  .coll-card{grid-column:span 2;}
  .picks-layout{grid-template-columns:minmax(0,1fr);gap:24px;}
  .picks-toc{position:static;flex-direction:row;overflow-x:auto;border-left:0;border-bottom:1px solid var(--divider);padding-bottom:6px;}
  .picks-toc a{white-space:nowrap;border-left:0;border-bottom:2px solid transparent;border-radius:8px 8px 0 0;margin-left:0;}
  .picks-toc a.is-active{border-left-color:transparent;border-bottom-color:var(--amber);}
  .hscroll{grid-auto-columns:calc((100% - 40px) / 3);}
  .faq-wrap{grid-template-columns:minmax(0,1fr);gap:24px;}
}
@media (max-width:767px){
  :root{--sec-gap:44px;}
  .container{padding:0 16px;}
  body{font-size:15.5px;line-height:1.8;}
  .hero h1{font-size:25px;line-height:1.38;}
  .hero-sub{font-size:16px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 auto;}
  .hero-facts{gap:20px;padding-top:18px;}
  .hero-facts strong{font-size:21px;}
  .section-head h2{font-size:21px;}
  .section-desc{font-size:14.5px;}
  .grid-collections{grid-template-columns:minmax(0,1fr);gap:16px;}
  .coll-card,.coll-featured{grid-column:span 1;}
  .grid-latest{grid-template-columns:minmax(0,1fr);gap:16px;}
  .hscroll{grid-auto-columns:78%;gap:14px;}
  .pick-item{grid-template-columns:40px minmax(0,1fr) 20px;gap:12px;padding:20px 4px 20px 0;}
  .pick-num{font-size:21px;}
  .pick-title{font-size:16.5px;}
  .cta-band{padding:40px 0;}
  .cta-band h2{font-size:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .accordion-title{padding-right:44px;font-size:15.5px;}
  .accordion-content{padding-right:20px;}
}
@media (max-width:480px){
  .hero h1{font-size:22px;}
  .hero-sub{font-size:15px;}
  .hero-badge{font-size:12px;}
  .hero-facts{flex-direction:column;gap:14px;}
  .pick-item{grid-template-columns:minmax(0,1fr) 18px;}
  .pick-num{display:none;}
  .post-card{padding:18px 18px;}
  .coll-body{padding:16px 18px 18px;}
}

/* roulang page: article */
:root{
  --ink:#12433C;
  --ink-deep:#0B2E29;
  --ink-light:#1E6B5E;
  --amber:#E9A03B;
  --amber-hover:#F2B65C;
  --amber-active:#C9862A;
  --brick:#C4573F;
  --bg:#F7F4EC;
  --card:#FFFFFF;
  --text:#1A2320;
  --text-2:#4C5A55;
  --text-3:#8A968F;
  --border:#E3DED3;
  --line:#EFEBE2;
  --ok:#2F7D5B;
  --radius-card:14px;
  --radius-img:12px;
  --radius-input:10px;
  --radius-badge:6px;
  --shadow-card:0 2px 10px rgba(11,46,41,.06);
  --shadow-hover:0 10px 26px rgba(11,46,41,.12);
  --shadow-drawer:0 18px 48px rgba(11,46,41,.18);
  --sidebar-w:240px;
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);
  font-size:16px;line-height:1.85;letter-spacing:.005em;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-family:var(--serif);color:var(--text);line-height:1.35;font-weight:700}
p{margin:0 0 1.15em}
ul,ol{margin:0 0 1.15em;padding-left:1.25em}
li{line-height:1.9}
a{color:var(--ink-light);text-decoration:none;transition:color .18s ease,background-color .18s ease}
a:hover{color:var(--ink)}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
button,input{font:inherit}
button{cursor:pointer}
::selection{background:rgba(233,160,59,.35)}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{max-width:1240px;margin:0 auto;padding:0 32px}

/* ===== 左侧 App Shell ===== */
.sidebar{
  position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;z-index:60;
  background:var(--card);border-right:1px solid var(--border);
  padding:26px 18px 22px;overflow-y:auto;
}
.side-brand{display:flex;align-items:center;gap:10px;padding:0 4px}
.brand-mark{display:grid;grid-template-columns:repeat(3,4px);gap:3px;flex:none}
.brand-mark i{display:block;width:4px;height:4px;border-radius:1px;background:var(--amber)}
.brand-mark i:nth-child(5){background:var(--ink)}
.side-brand strong{display:block;font-size:15px;line-height:1.4;color:var(--ink);font-weight:700;letter-spacing:.01em}
.side-brand span.brand-sub{display:block;font-size:12px;color:var(--text-3);line-height:1.5;margin-top:2px}
.side-menu{display:flex;flex-direction:column;gap:4px;margin:22px 0 0}
.side-link{
  position:relative;display:block;padding:10px 12px 10px 16px;border-radius:8px;
  font-size:14px;letter-spacing:.02em;color:var(--text-2);
}
.side-link::before{
  content:"";position:absolute;left:4px;top:50%;width:3px;height:18px;border-radius:2px;
  background:var(--amber);transform:translateY(-50%) scaleY(0);transform-origin:center;
  transition:transform .2s ease;
}
.side-link:hover{color:var(--ink-light);background:rgba(18,67,60,.05)}
.side-link:hover::before{transform:translateY(-50%) scaleY(1)}
.side-link.is-active{color:var(--ink);font-weight:600;background:rgba(18,67,60,.08)}
.side-link.is-active::before{transform:translateY(-50%) scaleY(1)}
.side-divider{height:1px;background:var(--line);margin:22px 4px 16px}
.side-title{font-size:12px;letter-spacing:.14em;color:var(--text-3);margin:0 4px 10px;font-family:var(--sans);font-weight:600}
.side-updates{display:flex;flex-direction:column;gap:2px;margin-bottom:18px}
.side-updates a{display:block;padding:8px 4px;border-radius:8px;font-size:13.5px;color:var(--text-2);line-height:1.5}
.side-updates a:hover{background:rgba(18,67,60,.05);color:var(--ink-light)}
.side-updates a span{display:block;font-size:12px;color:var(--text-3);margin-top:2px}
.side-card-mini{background:rgba(18,67,60,.06);border-radius:var(--radius-card);padding:16px;margin-bottom:16px}
.side-card-mini p{font-size:13px;color:var(--text-2);margin:0 0 12px;line-height:1.7}
.side-actions{display:flex;gap:8px;flex-wrap:wrap}
.side-copy{font-size:12px;color:var(--text-3);padding:0 4px;line-height:1.7}

/* 移动顶栏 */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:0 14px;
}
.menu-toggle{
  width:44px;height:44px;border:0;background:transparent;display:flex;flex-direction:column;
  justify-content:center;gap:4px;padding:0 10px;border-radius:10px;
}
.menu-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink)}
.menu-toggle span:nth-child(2){width:70%}
.menu-toggle:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.mobile-brand{display:flex;align-items:center;gap:8px;flex:1;min-width:0}
.mobile-brand strong{font-size:14.5px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mobile-icon{width:44px;height:44px;display:flex;align-items:center;justify-content:center;color:var(--ink);border-radius:10px}
.mobile-icon:hover{background:rgba(18,67,60,.07)}
.drawer-mask{
  display:none;position:fixed;inset:0;background:rgba(11,46,41,.45);z-index:55;opacity:0;transition:opacity .25s ease;
}
.drawer-mask.is-open{display:block;opacity:1}

/* ===== 主内容 ===== */
.app-main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.main{flex:1 0 auto;padding:44px 0 0}
.page-head{padding-top:4px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);flex-wrap:wrap}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--ink-light)}
.crumb .sep{color:#C8C2B6}
.crumb-current{max-width:280px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text-2)}
.page-title{font-size:34px;line-height:1.4;margin:14px 0 16px}
.meta-row{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--text-3);
  padding-bottom:22px;border-bottom:1px solid var(--line);
}
.meta-row time,.meta-row .meta-item{font-variant-numeric:tabular-nums}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:var(--radius-badge);
  font-size:13px;background:rgba(18,67,60,.08);color:var(--ink);white-space:nowrap;
}
.badge-accent{background:rgba(196,87,63,.12);color:var(--brick)}
.share-group{display:flex;gap:8px;margin-left:auto}
.icon-btn{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--border);background:var(--card);
  color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;transition:.18s;
}
.icon-btn:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}
.icon-btn:focus-visible{outline:2px solid var(--ink);outline-offset:2px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;
  padding:12px 26px;border-radius:999px;border:0;font-size:15px;font-weight:600;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease;
  text-align:center;
}
.btn-primary{background:var(--amber);color:#2A1D05}
.btn-primary:hover{background:var(--amber-hover);color:#2A1D05;transform:translateY(-1px);box-shadow:0 8px 18px rgba(233,160,59,.28)}
.btn-primary:active{background:var(--amber-active);transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border:1.5px solid var(--ink);color:var(--ink)}
.btn-ghost:hover{background:rgba(18,67,60,.08);color:var(--ink)}
.btn-on-dark{background:var(--amber);color:#2A1D05}
.btn-on-dark-ghost{background:transparent;border:1.5px solid rgba(255,255,255,.6);color:#fff}
.btn-on-dark-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-sm{min-height:38px;padding:8px 18px;font-size:14px}
.btn:focus-visible{outline:2px solid var(--ink);outline-offset:3px}

/* ===== 文章布局 ===== */
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:52px;align-items:start;margin-top:34px}
.article-col{min-width:0}
.article-cover{margin-bottom:30px;border-radius:16px;overflow:hidden;position:relative}
.article-cover img{width:100%;aspect-ratio:16/8;object-fit:cover;border-radius:16px}
.article-cover figcaption{font-size:13px;color:var(--text-3);text-align:center;padding-top:10px}
.article-body{max-width:760px;font-size:16px;line-height:1.85}
.article-body>*:first-child{margin-top:0}
.article-body h2{
  font-size:26px;line-height:1.4;margin:2em 0 .8em;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:3px;background:var(--ink);
}
.article-body h3{font-size:20px;line-height:1.5;font-weight:600;margin:1.7em 0 .6em}
.article-body h4{font-size:17px;margin:1.5em 0 .5em}
.article-body p{margin:0 0 1.15em;line-height:1.85;color:var(--text)}
.article-body ul,.article-body ol{padding-left:1.3em;margin:0 0 1.3em}
.article-body li{line-height:1.9;margin-bottom:.35em}
.article-body a{color:var(--ink-light);border-bottom:1px solid rgba(30,107,94,.35)}
.article-body a:hover{color:var(--ink);border-bottom-color:var(--ink)}
.article-body img{border-radius:var(--radius-img);margin:18px 0}
.article-body blockquote{
  margin:1.6em 0;padding:14px 18px 14px 20px;background:#F1EEE6;border-left:3px solid var(--ink);
  border-radius:0 10px 10px 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:rgba(18,67,60,.06);font-weight:600;color:var(--ink)}
.article-body tr:nth-child(even) td{background:rgba(247,244,236,.7)}
.article-body code{background:rgba(18,67,60,.07);padding:2px 6px;border-radius:6px;font-size:14px}
.article-body figure{margin:1.8em 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px}

/* 空态 */
.empty-state{background:var(--card);border:1px dashed var(--border);border-radius:var(--radius-card);padding:48px 32px;text-align:center}
.empty-state img{width:220px;margin:0 auto 18px;border-radius:var(--radius-img);opacity:.9}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:15px;max-width:420px;margin:0 auto 20px}

/* 标签行 / 翻页 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:2.4em 0 0;padding-top:22px;border-top:1px solid var(--line)}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;font-size:13px;
  background:rgba(18,67,60,.07);color:var(--ink);transition:.18s;
}
.tag:hover{background:rgba(18,67,60,.14)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.post-nav a{
  display:block;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:16px 20px;font-size:14px;color:var(--text-2);transition:.2s;
}
.post-nav a:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.post-nav span{display:block;font-size:12px;color:var(--text-3);letter-spacing:.1em;margin-bottom:6px}
.post-nav b{display:block;font-size:15px;color:var(--text);font-weight:600}

/* ===== 侧栏 ===== */
.article-side{position:sticky;top:24px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-card)}
.side-card h3{font-size:15px;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--ink-light);font-size:13px}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:320px;overflow:auto}
.toc-link{display:block;font-size:13.5px;color:var(--text-2);padding:7px 10px;border-radius:8px;border-left:2px solid transparent;line-height:1.5}
.toc-link.toc-sub{padding-left:22px;font-size:13px;color:var(--text-3)}
.toc-link:hover{background:rgba(18,67,60,.06);color:var(--ink-light)}
.toc-link.is-current{color:var(--ink);background:rgba(18,67,60,.08);border-left-color:var(--amber);font-weight:600}
.side-list{display:flex;flex-direction:column;gap:12px}
.side-list a{display:block;font-size:14px;color:var(--text-2);line-height:1.6}
.side-list a:hover{color:var(--ink-light)}
.side-list a span{display:block;font-size:12px;color:var(--text-3);margin-top:3px}
.side-share{display:flex;gap:8px;flex-wrap:wrap}
.side-note{font-size:13px;color:var(--text-2);margin:0 0 14px;line-height:1.7}

/* ===== 板块 ===== */
.section{margin-top:72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.section-head h2{font-size:26px;display:flex;align-items:center;gap:12px}
.section-head h2::before{content:"";width:4px;height:22px;border-radius:3px;background:var(--ink)}
.section-head p{font-size:14px;color:var(--text-2);margin:0}
.more-link{font-size:14px;color:var(--ink-light);display:inline-flex;align-items:center;gap:6px}
.more-link:hover{color:var(--ink)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D8D2C5}
.card-cover{position:relative;overflow:hidden}
.card-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .35s ease}
.card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:18px;line-height:1.5;font-weight:600;margin-bottom:10px}
.card-body p{font-size:14px;color:var(--text-2);line-height:1.7;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3);margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}
.card-meta .arrow{margin-left:auto;color:var(--ink-light);transition:transform .2s}
.card:hover .card-meta .arrow{transform:translateX(3px)}

/* CTA 带 */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink-deep);color:#fff;border-radius:16px;
  padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(233,160,59,.28),transparent 68%);
}
.cta-band h2{color:#fff;font-size:24px;margin-bottom:8px;position:relative;z-index:1}
.cta-band p{color:rgba(255,255,255,.78);font-size:14.5px;margin:0;position:relative;z-index:1}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
.qr-box{
  width:96px;height:96px;border-radius:12px;background:rgba(255,255,255,.09);
  display:grid;grid-template-columns:repeat(3,6px);grid-auto-rows:6px;gap:5px;align-content:center;justify-content:center;
  position:relative;z-index:1;
}
.qr-box i{display:block;width:6px;height:6px;border-radius:1px;background:rgba(255,255,255,.55)}

/* FAQ */
.faq-wrap{max-width:860px}
.accordion{background:transparent;border:0;margin:0}
.accordion .accordion-item{border:0;border-top:1px solid var(--line)}
.accordion .accordion-title{
  position:relative;background:transparent;border:0;padding:18px 44px 18px 0;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.accordion .accordion-title:hover{background:transparent;color:var(--ink-light)}
.accordion .accordion-title::before{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:20px;color:var(--ink-light);font-weight:400;transition:transform .2s ease;
}
.accordion .accordion-item.is-active .accordion-title::before{content:"−"}
.accordion .accordion-content{
  display:none;border:0;background:transparent;padding:0 32px 18px 0;
  font-size:15px;line-height:1.85;color:var(--text-2);
}
.accordion .accordion-content.is-active{display:block}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.78);margin-top:72px;padding:56px 0 26px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;margin-bottom:14px}
.footer-brand .brand-mark i{background:var(--amber)}
.footer-brand .brand-mark i:nth-child(5){background:#fff}
.footer-brand strong{color:#fff;font-weight:700}
.footer-about{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.66);margin:0}
.site-footer h3{color:#fff;font-size:15px;margin-bottom:16px;font-family:var(--sans);font-weight:600}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13.5px;color:rgba(255,255,255,.78)}
.footer-links a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--amber);text-underline-offset:3px}
.footer-form{display:flex;gap:8px;flex-wrap:wrap}
.footer-form input{
  flex:1 1 140px;min-width:0;background:#fff;border:1px solid var(--border);border-radius:var(--radius-input);
  padding:11px 14px;font-size:14px;color:var(--text);
}
.footer-form input:focus{outline:2px solid var(--amber);outline-offset:1px;border-color:var(--amber)}
.form-note{font-size:13px;color:var(--amber);min-height:20px;margin:10px 0 0}
.footer-info{grid-column:1/-1;display:flex;gap:26px;flex-wrap:wrap;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.62)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.6);
}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  :root{--sidebar-w:200px}
  .container{padding:0 24px}
  .article-wrap{grid-template-columns:minmax(0,1fr) 280px;gap:36px}
  .page-title{font-size:30px}
}
@media (max-width:1023px){
  .mobile-bar{display:flex}
  .sidebar{
    top:0;left:0;width:280px;height:100vh;padding:24px 20px;
    transform:translateX(-100%);transition:transform .28s ease;box-shadow:var(--shadow-drawer);
  }
  .sidebar.is-open{transform:translateX(0)}
  .app-main{margin-left:0;padding-top:56px}
  .main{padding-top:28px}
  .article-wrap{grid-template-columns:minmax(0,1fr);gap:40px}
  .article-side{position:static;flex-direction:column}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .page-title{font-size:27px}
  .section{margin-top:56px}
  .cta-band{padding:30px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .page-title{font-size:24px;line-height:1.45;margin:12px 0 14px}
  .meta-row{gap:10px;padding-bottom:18px}
  .share-group{margin-left:0;width:100%}
  .article-body{font-size:15.5px;line-height:1.8}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .post-nav{grid-template-columns:1fr}
  .section{margin-top:40px}
  .section-head h2{font-size:21px}
  .cta-band{padding:24px 20px;border-radius:14px}
  .cta-band h2{font-size:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .site-footer{padding:40px 0 22px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  .page-title{font-size:21px}
  .article-body{font-size:15px}
  .btn{padding:11px 20px;font-size:14.5px}
  .side-card{padding:16px}
}

/* roulang page: category1 */
:root{
  --ink:#12433C;
  --ink-dark:#0B2E29;
  --ink-light:#1E6B5E;
  --amber:#E9A03B;
  --amber-h:#F2B65C;
  --amber-a:#C9862A;
  --clay:#C4573F;
  --bg:#F7F4EC;
  --card:#FFFFFF;
  --soft:#EDF3F1;
  --text:#1A2320;
  --text-2:#4C5A55;
  --text-3:#8A968F;
  --border:#E3DED3;
  --divider:#EFEBE2;
  --success:#2F7D5B;
  --radius-card:14px;
  --radius-img:12px;
  --radius-input:10px;
  --radius-badge:6px;
  --radius-btn:999px;
  --sh-card:0 2px 10px rgba(11,46,41,.06);
  --sh-hover:0 10px 26px rgba(11,46,41,.12);
  --sh-drawer:0 18px 48px rgba(11,46,41,.18);
  --sidebar-w:240px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ink-light);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--ink-dark)}
h1,h2,h3,h4{font-family:var(--serif);margin:0;color:var(--text);font-weight:700}
h1{font-size:34px;line-height:1.24}
h2{font-size:26px;line-height:1.32}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1.15em;padding-left:1.15em}
li{line-height:1.9}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ============ 侧栏 App Shell ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--ink-dark);
  color:rgba(255,255,255,.78);
  display:flex;flex-direction:column;
  padding:22px 18px 18px;
  overflow-y:auto;
  z-index:60;
  scrollbar-width:thin;
}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:3px}
.side-brand{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.side-brand strong{
  font-family:var(--serif);font-size:15px;color:#fff;line-height:1.35;letter-spacing:.01em;font-weight:600;
}
.brand-mark{
  display:grid;grid-template-columns:repeat(3,4px);gap:3px;flex:0 0 auto;
}
.brand-mark i{display:block;width:4px;height:4px;border-radius:1px;background:var(--amber)}
.brand-mark i:nth-child(2),
.brand-mark i:nth-child(4),
.brand-mark i:nth-child(6),
.brand-mark i:nth-child(8){background:rgba(233,160,59,.5)}
.side-tagline{
  font-size:12px;line-height:1.6;color:rgba(255,255,255,.5);
  margin:10px 0 18px;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.12);
}
.side-menu{display:flex;flex-direction:column;gap:4px}
.side-link{
  position:relative;display:block;
  font-size:14px;letter-spacing:.02em;
  color:rgba(255,255,255,.78);
  padding:10px 12px;border-radius:10px;
  transition:background-color .2s ease,color .2s ease,padding-left .2s ease;
}
.side-link:hover{color:#fff;background:rgba(255,255,255,.07);padding-left:16px}
.side-link.is-active{color:#fff;background:rgba(233,160,59,.14)}
.side-link.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  background:var(--amber);border-radius:0 3px 3px 0;
}
.side-divider{height:1px;background:rgba(255,255,255,.12);margin:18px 0 14px}
.side-heading{
  font-size:12px;letter-spacing:.14em;color:rgba(255,255,255,.42);
  font-family:var(--font);font-weight:500;margin-bottom:10px;
}
.side-updates{list-style:none;margin:0 0 4px;padding:0}
.side-updates li{margin-bottom:10px;line-height:1.55}
.side-updates a{display:block;font-size:13px;color:rgba(255,255,255,.74)}
.side-updates a:hover{color:var(--amber-h)}
.side-updates span{display:block;font-size:12px;color:rgba(255,255,255,.36);margin-top:2px}
.side-cta{margin-top:auto;padding-top:18px}
.side-cta p{font-size:12px;color:rgba(255,255,255,.5);line-height:1.6;margin-bottom:10px}
.side-cta .btn{width:100%;justify-content:center}
.side-copy{font-size:11px;color:rgba(255,255,255,.34);margin-top:14px;line-height:1.6}

/* ============ 移动顶栏 ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;
  background:var(--ink-dark);align-items:center;gap:12px;padding:0 14px;z-index:70;
}
.topbar-toggle{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  background:transparent;border:0;cursor:pointer;color:#fff;padding:0;
}
.burger{width:20px;height:14px;position:relative;display:block}
.burger span{
  position:absolute;left:0;right:0;height:2px;background:#fff;border-radius:2px;
  transition:transform .25s ease,opacity .2s ease;
}
.burger span:nth-child(1){top:0}
.burger span:nth-child(2){top:6px}
.burger span:nth-child(3){top:12px}
.topbar.is-open .burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.topbar.is-open .burger span:nth-child(2){opacity:0}
.topbar.is-open .burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.topbar-brand{display:flex;align-items:center;gap:8px;flex:1;min-width:0}
.topbar-brand strong{
  font-family:var(--serif);font-size:14px;color:#fff;font-weight:600;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.topbar-link{
  font-size:13px;color:rgba(255,255,255,.8);padding:10px 8px;white-space:nowrap;
}
.drawer-mask{
  display:none;position:fixed;inset:0;background:rgba(11,46,41,.5);
  z-index:55;opacity:0;transition:opacity .25s ease;
}
.drawer-mask.is-open{display:block;opacity:1}

/* ============ 主区域 ============ */
.main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.section{padding:72px 0}
.section--tight{padding:56px 0}
.section-head{margin-bottom:24px;max-width:760px}
.section-head h2{padding-left:14px;position:relative}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--ink);
}
.section-sub{color:var(--text-2);font-size:15px;margin-top:12px}

/* ============ 顶部横幅 ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#EDF3F1 0%,#F7F4EC 100%);
  border-bottom:1px solid var(--border);
}
.page-hero::after{
  content:"";position:absolute;right:-40px;top:-30px;width:320px;height:320px;
  background-image:radial-gradient(var(--ink) 1.4px,transparent 1.4px);
  background-size:18px 18px;opacity:.07;pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;padding-top:36px;padding-bottom:36px}
.crumb{font-size:13px;color:var(--text-3);margin-bottom:14px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--ink-light)}
.crumb span{color:var(--text-3)}
.page-hero h1{max-width:820px}
.hero-lead{max-width:760px;margin-top:14px;font-size:16px;color:var(--text-2);line-height:1.8}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--ink);background:rgba(18,67,60,.08);
  padding:5px 12px;border-radius:var(--radius-badge);line-height:1.5;
}
.chip--clay{color:var(--clay);background:rgba(196,87,63,.1)}

/* ============ 图文交错 ============ */
.stack{display:flex;flex-direction:column}
.split-row{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:44px 0;border-bottom:1px solid var(--divider);
}
.split-row:first-child{padding-top:8px}
.split-row:last-child{border-bottom:0;padding-bottom:8px}
.split-row.is-reverse .split-media{order:2}
.split-media{position:relative;border-radius:var(--radius-img);overflow:hidden;box-shadow:var(--sh-card)}
.split-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  transition:transform .5s ease;
}
.split-media:hover img{transform:scale(1.03)}
.split-media::after{
  content:"";position:absolute;inset:0;background:rgba(18,67,60,.1);pointer-events:none;
}
.split-body h3{margin-bottom:12px}
.split-body p{color:var(--text-2);font-size:15.5px}
.tick-list{list-style:none;padding:0;margin:16px 0 0}
.tick-list li{
  position:relative;padding-left:26px;font-size:15px;color:var(--text-2);line-height:1.8;margin-bottom:8px;
}
.tick-list li::before{
  content:"";position:absolute;left:2px;top:11px;width:12px;height:7px;
  border-left:2px solid var(--ink-light);border-bottom:2px solid var(--ink-light);
  transform:rotate(-45deg);
}
.note{
  margin-top:18px;padding:14px 18px;border-left:3px solid var(--amber);
  background:#F1EEE6;border-radius:0 var(--radius-badge) var(--radius-badge) 0;
  font-size:14.5px;color:var(--text-2);line-height:1.8;
}

/* ============ 场景卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.scene-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--sh-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#D6D0C2}
.scene-card h3{font-size:17px;margin-bottom:10px}
.scene-card p{font-size:14.5px;color:var(--text-2);line-height:1.8;margin:0}
.scene-icon{
  width:38px;height:38px;border-radius:10px;background:rgba(18,67,60,.08);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.dot-matrix{display:grid;grid-template-columns:repeat(3,4px);gap:3px}
.dot-matrix i{width:4px;height:4px;border-radius:50%;background:var(--ink-light);display:block;opacity:.65}

/* ============ 核对面板 ============ */
.check-panel{
  background:var(--ink-dark);border-radius:var(--radius-card);
  padding:46px 44px;color:#fff;display:grid;grid-template-columns:0.9fr 1.1fr;gap:44px;
  position:relative;overflow:hidden;
}
.check-panel::after{
  content:"";position:absolute;right:-30px;bottom:-40px;width:240px;height:240px;
  background-image:radial-gradient(#ffffff 1.2px,transparent 1.2px);
  background-size:16px 16px;opacity:.06;pointer-events:none;
}
.check-panel h2{color:#fff;padding-left:14px;position:relative}
.check-panel h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--amber)}
.check-panel > div > p{color:rgba(255,255,255,.72);font-size:15px;margin-top:14px}
.check-list{list-style:none;margin:0;padding:0;position:relative;z-index:1}
.check-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.12);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-list li:first-child{padding-top:0}
.check-num{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:rgba(233,160,59,.16);color:var(--amber);
  font-size:13px;display:flex;align-items:center;justify-content:center;
  font-family:var(--font);font-weight:600;margin-top:3px;
}
.check-list h3{font-size:16px;color:#fff;margin-bottom:4px;font-family:var(--font);font-weight:600}
.check-list p{font-size:14px;color:rgba(255,255,255,.68);margin:0;line-height:1.75}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px}
.accordion.faq-acc{list-style:none;margin:0;padding:0;background:transparent;border:0}
.faq-acc .accordion-item{border:0;border-top:1px solid var(--divider);background:transparent}
.faq-acc .accordion-item:last-child{border-bottom:1px solid var(--divider)}
.faq-acc .accordion-title{
  background:transparent;border:0;
  padding:20px 46px 20px 0;
  font-size:16px;font-weight:600;color:var(--text);
  font-family:var(--font);
  position:relative;line-height:1.6;
}
.faq-acc .accordion-title:hover{color:var(--ink-light)}
.faq-acc .accordion-title::before{display:none}
.faq-acc .accordion-title::after{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:22px;line-height:1;color:var(--ink-light);font-family:var(--font);font-weight:400;
  transition:transform .25s ease,color .2s ease;
}
.faq-acc .accordion-item.is-active .accordion-title::after{content:"−";color:var(--amber-a)}
.faq-acc .accordion-content{
  background:transparent;border:0;color:var(--text-2);
  padding:0 46px 22px 0;font-size:15px;line-height:1.85;
}
.faq-acc .accordion-content p{margin:0}

/* ============ CTA 带 ============ */
.cta-band{background:var(--ink-dark);margin:72px 0 0}
.cta-band .container{padding-top:52px;padding-bottom:52px}
.cta-inner{display:flex;gap:36px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:24px}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15px;margin-top:12px;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  border:1.5px solid transparent;
  transition:transform .18s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--amber);color:#3A2707;border-color:var(--amber)}
.btn-primary:hover{background:var(--amber-h);color:#3A2707;transform:translateY(-1px);box-shadow:0 8px 18px rgba(201,134,42,.28)}
.btn-primary:active{background:var(--amber-a);box-shadow:none}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:rgba(18,67,60,.08);color:var(--ink-dark)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-sm{min-height:38px;padding:9px 20px;font-size:14px}

/* ============ 相关分类 ============ */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat-card{
  display:block;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .25s ease,box-shadow .25s ease;
}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.cat-card .thumb{overflow:hidden}
.cat-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease}
.cat-card:hover img{transform:scale(1.04)}
.cat-card .body{padding:20px 22px 22px}
.cat-card h3{font-size:18px;margin-bottom:8px}
.cat-card p{font-size:14px;color:var(--text-2);line-height:1.75;margin:0}
.cat-card .more{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:13px;color:var(--ink-light);font-weight:600;
}
.cat-card .more::after{content:"→";transition:transform .2s ease}
.cat-card:hover .more::after{transform:translateX(3px)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-dark);color:rgba(255,255,255,.78);margin-top:0}
.site-footer .container{padding-top:56px;padding-bottom:28px}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{font-family:var(--serif);font-size:16px;color:#fff;font-weight:600}
.footer-about{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.62);margin:0}
.site-footer h3{
  font-family:var(--font);font-size:14px;color:#fff;font-weight:600;
  margin-bottom:14px;letter-spacing:.02em;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13.5px;color:rgba(255,255,255,.7)}
.footer-links a:hover{color:#fff;border-bottom:1px solid var(--amber);padding-bottom:1px}
.footer-form{display:flex;gap:8px;flex-wrap:wrap}
.footer-form input{
  flex:1 1 150px;min-width:0;height:38px;padding:0 12px;
  border-radius:var(--radius-input);border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);color:#fff;font-size:14px;
  transition:border-color .2s ease,background-color .2s ease;
}
.footer-form input::placeholder{color:rgba(255,255,255,.42)}
.footer-form input:focus{outline:none;border-color:var(--amber);background:rgba(255,255,255,.1)}
.form-note{font-size:12.5px;color:var(--amber-h);margin-top:10px;min-height:18px}
.footer-info{
  grid-column:1/-1;display:flex;flex-wrap:wrap;gap:10px 28px;
  font-size:12.5px;color:rgba(255,255,255,.5);padding-top:6px;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  padding-top:22px;font-size:12.5px;color:rgba(255,255,255,.45);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 24px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .check-panel{grid-template-columns:1fr;gap:30px;padding:40px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (min-width:1024px) and (max-width:1199px){
  :root{--sidebar-w:200px}
  .side-brand strong{font-size:14px}
}
@media (min-width:1024px){
  .main{margin-left:var(--sidebar-w)}
}
@media (max-width:1023px){
  .sidebar{
    width:282px;transform:translateX(-102%);
    transition:transform .3s cubic-bezier(.4,0,.2,1);
    box-shadow:var(--sh-drawer);
  }
  .sidebar.is-open{transform:translateX(0)}
  .topbar{display:flex}
  .main{margin-left:0;padding-top:56px}
  .split-row{grid-template-columns:1fr;gap:24px;padding:34px 0}
  .split-row.is-reverse .split-media{order:0}
  .split-media img{aspect-ratio:16/9}
  .cta-band{margin-top:56px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
}
@media (max-width:767px){
  body{font-size:15.5px;line-height:1.8}
  h1{font-size:26px;line-height:1.3}
  h2{font-size:21px}
  h3{font-size:18px}
  .container{padding:0 16px}
  .section{padding:40px 0}
  .section--tight{padding:36px 0}
  .page-hero .container{padding-top:24px;padding-bottom:24px}
  .card-grid{grid-template-columns:1fr;gap:16px}
  .cat-grid{grid-template-columns:1fr;gap:18px}
  .check-panel{padding:30px 20px;border-radius:12px}
  .cta-band .container{padding-top:40px;padding-bottom:40px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .faq-acc .accordion-title{padding-right:38px;font-size:15.5px}
  .faq-acc .accordion-content{padding-right:20px}
  .note{padding:12px 14px}
}
@media (max-width:479px){
  h1{font-size:23px}
  .container{padding:0 14px}
  .btn{padding:11px 20px;font-size:14.5px}
  .hero-meta{gap:8px}
  .chip{font-size:12.5px;padding:4px 10px}
}

/* roulang page: category2 */
:root{
  --ink:#12433C;
  --ink-deep:#0B2E29;
  --ink-light:#1E6B5E;
  --amber:#E9A03B;
  --amber-hover:#F2B65C;
  --amber-active:#C9862A;
  --clay:#C4573F;
  --success:#2F7D5B;
  --bg:#F7F4EC;
  --card:#FFFFFF;
  --paper:#F1EEE6;
  --text:#1A2320;
  --text-2:#4C5A55;
  --text-3:#8A968F;
  --border:#E3DED3;
  --divider:#EFEBE2;
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --r-badge:6px;
  --sh-1:0 2px 10px rgba(11,46,41,.06);
  --sh-2:0 10px 26px rgba(11,46,41,.12);
  --sh-3:0 18px 48px rgba(11,46,41,.18);
  --side-w:240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink-deep);font-weight:700;line-height:1.35;letter-spacing:.01em;}
h1,h2{font-family:"Noto Serif SC","Songti SC",Georgia,serif;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--ink-light);text-decoration:none;background:transparent;transition:color .2s ease;}
a:hover{color:var(--ink);}
button{font:inherit;cursor:pointer;}
input{font:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:4px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------- 布局骨架 ---------- */
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 32px;}
.container.narrow{max-width:860px;}
.content-wrap{padding:0;}
.section{padding:56px 0;}
.section-head{margin-bottom:26px;max-width:760px;}
.eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.06em;
  color:var(--clay);
  background:rgba(196,87,63,.1);
  border-radius:var(--r-badge);
  padding:3px 10px;
  margin-bottom:12px;
}
.section-head h2{font-size:26px;line-height:1.4;}
.section-head h2::before{
  content:"";
  display:inline-block;
  width:4px;height:20px;
  background:var(--ink);
  border-radius:2px;
  margin-right:12px;
  vertical-align:-2px;
}
.section-sub{margin-top:10px;font-size:15px;color:var(--text-2);line-height:1.8;}

/* ---------- 左竖栏 ---------- */
.app-sidebar{
  position:fixed;top:0;left:0;bottom:0;
  width:var(--side-w);
  background:var(--card);
  border-right:1px solid var(--border);
  padding:26px 18px 20px;
  overflow-y:auto;
  z-index:60;
  display:flex;
  flex-direction:column;
  gap:22px;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand-text{
  font-size:15px;font-weight:700;color:var(--ink-deep);
  letter-spacing:.02em;line-height:1.35;
}
.brand-mark{
  flex:0 0 auto;
  width:28px;height:28px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  grid-template-rows:repeat(3,1fr);
  gap:3px;
  padding:3px;
  background:rgba(18,67,60,.08);
  border-radius:8px;
}
.brand-mark i{display:block;background:var(--ink-light);border-radius:2px;}
.brand-mark i:nth-child(5){background:var(--amber);}
.side-menu{display:flex;flex-direction:column;gap:4px;}
.side-link{
  position:relative;
  display:block;
  padding:10px 12px 10px 16px;
  font-size:14px;
  letter-spacing:.02em;
  color:var(--text-2);
  border-radius:10px;
  transition:background .2s ease,color .2s ease;
}
.side-link::before{
  content:"";
  position:absolute;left:4px;top:50%;
  width:3px;height:0;
  background:var(--amber);
  border-radius:2px;
  transform:translateY(-50%);
  transition:height .22s ease;
}
.side-link:hover{color:var(--ink-light);background:rgba(18,67,60,.05);}
.side-link:hover::before{height:12px;}
.side-link.is-active{
  color:var(--ink);
  font-weight:600;
  background:rgba(18,67,60,.08);
}
.side-link.is-active::before{height:18px;background:var(--amber);}
.side-divider{height:1px;background:var(--divider);margin:2px 0;}
.side-block-title{
  font-size:12px;letter-spacing:.08em;color:var(--text-3);
  margin-bottom:10px;text-transform:none;
}
.mini-list{display:flex;flex-direction:column;gap:2px;}
.mini-list a{
  display:block;
  padding:7px 4px;
  font-size:13px;
  color:var(--text-2);
  border-bottom:1px dashed var(--divider);
  line-height:1.55;
}
.mini-list a:last-child{border-bottom:0;}
.mini-list a:hover{color:var(--ink-light);}
.mini-list span{display:block;font-size:12px;color:var(--text-3);margin-top:2px;}
.side-cta{margin-top:auto;display:flex;flex-direction:column;gap:10px;}
.side-cta p{font-size:13px;color:var(--text-3);line-height:1.7;}
.side-copy{font-size:12px;color:var(--text-3);border-top:1px solid var(--divider);padding-top:14px;line-height:1.7;}

/* ---------- 移动顶栏与抽屉 ---------- */
.mobile-bar{
  position:fixed;top:0;left:0;right:0;height:56px;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:12px;
  padding:0 14px;z-index:70;
  box-shadow:0 2px 12px rgba(11,46,41,.06);
}
.icon-btn{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--border);
  background:var(--card);
  border-radius:10px;
  color:var(--ink);
  font-size:16px;
  transition:background .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:rgba(18,67,60,.06);border-color:var(--ink-light);}
.mobile-bar .brand-text{font-size:14.5px;}
.mobile-bar .spacer{margin-left:auto;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,46,41,.45);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;
  font-size:15px;font-weight:600;
  border-radius:999px;
  border:1.5px solid transparent;
  transition:transform .18s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
  min-height:44px;
  line-height:1.3;
}
.btn-primary{background:var(--amber);color:var(--ink-deep);box-shadow:0 6px 16px rgba(233,160,59,.28);}
.btn-primary:hover{background:var(--amber-hover);color:var(--ink-deep);transform:translateY(-1px);}
.btn-primary:active{background:var(--amber-active);transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:transparent;border-color:var(--ink-light);color:var(--ink-light);}
.btn-ghost:hover{background:rgba(18,67,60,.08);color:var(--ink);}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px;}
.link-arrow{font-size:14px;font-weight:600;color:var(--ink-light);}
.link-arrow:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-block;
  font-size:13px;
  padding:3px 9px;
  border-radius:var(--r-badge);
  background:rgba(18,67,60,.08);
  color:var(--ink);
  line-height:1.5;
}
.badge-clay{background:rgba(196,87,63,.12);color:var(--clay);}
.tag{
  display:inline-block;
  font-size:13px;
  color:var(--text-2);
  border:1px solid var(--border);
  border-radius:var(--r-badge);
  padding:2px 8px;
  background:#fff;
  line-height:1.5;
}

/* ---------- 首页横幅 ---------- */
.page-hero{
  position:relative;
  padding:40px 0 36px;
  background:
    radial-gradient(rgba(18,67,60,.1) 1.4px,transparent 1.5px) 0 0/18px 18px,
    rgba(18,67,60,.06);
  border-bottom:1px solid var(--border);
  overflow:hidden;
}
.hero-inner{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:36px;
  align-items:center;
}
.crumbs{font-size:13px;color:var(--text-3);margin-bottom:14px;display:flex;gap:8px;align-items:center;flex-wrap:wrap;}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--ink-light);}
.crumb-current{color:var(--text-2);}
.page-hero h1{font-size:34px;line-height:1.3;margin-bottom:14px;}
.hero-lead{font-size:17px;color:var(--text-2);line-height:1.8;max-width:620px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.hero-figure{
  position:relative;
  border-radius:16px;
  overflow:hidden;
  box-shadow:var(--sh-2);
  aspect-ratio:16/10;
  background:rgba(18,67,60,.08);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,67,60,.12),rgba(11,46,41,.24));
}

/* ---------- 数据条 ---------- */
.stats-strip{background:#fff;border-bottom:1px solid var(--divider);}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:18px;padding-top:22px;padding-bottom:22px;
}
.stat{display:flex;flex-direction:column;gap:2px;}
.stat strong{
  font-family:"Noto Serif SC","Songti SC",Georgia,serif;
  font-size:26px;color:var(--ink);line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.stat span{font-size:13.5px;color:var(--text-3);}

/* ---------- 编号清单流 ---------- */
.tool-row{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  margin-bottom:22px;
}
.search-box{
  position:relative;flex:1 1 300px;max-width:380px;
}
.search-box i{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  color:var(--text-3);font-size:14px;
}
.search-box input{
  width:100%;
  padding:11px 14px 11px 38px;
  border:1px solid var(--border);
  border-radius:var(--r-input);
  background:#fff;
  color:var(--text);
  font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box input::placeholder{color:var(--text-3);}
.search-box input:focus{
  border-color:var(--ink-light);
  box-shadow:0 0 0 3px rgba(30,107,94,.12);
  outline:none;
}
.tool-hint{font-size:13.5px;color:var(--text-3);}

.step-list{border-top:1px solid var(--divider);}
.step-item{
  display:grid;
  grid-template-columns:78px minmax(0,1fr) 110px;
  gap:22px;
  align-items:start;
  padding:26px 4px;
  border-bottom:1px solid var(--divider);
  transition:background .2s ease;
}
.step-item:hover{background:rgba(18,67,60,.03);}
.step-no{
  font-family:"Noto Serif SC","Songti SC",Georgia,serif;
  font-size:34px;font-weight:700;line-height:1;
  color:rgba(18,67,60,.26);
  font-variant-numeric:tabular-nums;
  padding-top:2px;
}
.step-body h3{font-size:19px;margin-bottom:8px;}
.step-body p{font-size:15px;color:var(--text-2);line-height:1.85;}
.step-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.step-link{
  align-self:center;justify-self:end;
  font-size:14px;font-weight:600;color:var(--ink-light);
  white-space:nowrap;
}
.step-link:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px;}
.step-link i{font-size:12px;margin-left:4px;}
.step-empty{
  display:none;
  padding:48px 20px;
  text-align:center;
  border:1px dashed var(--border);
  border-radius:var(--r-card);
  background:#fff;
  margin-top:22px;
}
.step-empty i{font-size:26px;color:var(--text-3);margin-bottom:12px;display:block;}
.step-empty p{font-size:14.5px;color:var(--text-2);margin-bottom:14px;}

/* ---------- 图文分栏 ---------- */
.split{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);
  gap:44px;
  align-items:center;
}
.split-figure{
  margin:0;
  border-radius:16px;
  overflow:hidden;
  box-shadow:var(--sh-1);
  aspect-ratio:4/3;
  background:rgba(18,67,60,.08);
}
.split-figure img{width:100%;height:100%;object-fit:cover;}
.split-copy h2{font-size:26px;margin-bottom:14px;}
.split-copy > p{font-size:15.5px;color:var(--text-2);}
.point-list{margin-top:22px;display:flex;flex-direction:column;gap:16px;}
.point-list li{display:grid;grid-template-columns:34px minmax(0,1fr);gap:14px;}
.point-no{
  width:34px;height:34px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(18,67,60,.08);
  color:var(--ink);font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;
}
.point-list h3{font-size:16.5px;margin-bottom:4px;}
.point-list p{font-size:14.5px;color:var(--text-2);line-height:1.8;}

/* ---------- 横向卡片轨道 ---------- */
.rail{
  display:flex;
  gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:6px 4px 16px;
  -webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:rgba(18,67,60,.2);border-radius:4px;}
.rail-card{
  scroll-snap-align:start;
  flex:0 0 300px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;
}
.rail-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.rail-thumb{aspect-ratio:16/9;overflow:hidden;background:rgba(18,67,60,.08);}
.rail-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.rail-card:hover .rail-thumb img{transform:scale(1.03);}
.rail-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;}
.rail-body h3{font-size:17px;}
.rail-body p{font-size:14px;color:var(--text-2);line-height:1.75;}

@media (min-width:901px){
  .rail{display:grid;grid-template-columns:repeat(4,1fr);overflow:visible;padding:0;}
  .rail-card{flex:none;}
}

/* ---------- FAQ ---------- */
.accordion{list-style:none;margin:0;padding:0;background:transparent;border:0;}
.accordion-item{background:transparent;border-top:1px solid var(--divider);}
.accordion-item:last-child{border-bottom:1px solid var(--divider);}
.accordion-title{
  position:relative;
  display:block;
  padding:20px 46px 20px 4px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  background:transparent;
  border:0;
  line-height:1.6;
  transition:color .2s ease,background .2s ease;
}
.accordion-title:hover,.accordion-title:focus{color:var(--ink);background:rgba(18,67,60,.04);}
.accordion-title::before{
  content:"";position:absolute;right:13px;top:50%;
  width:2px;height:14px;margin-top:-7px;
  background:var(--ink-light);transition:transform .25s ease,opacity .25s ease;
}
.accordion-title::after{
  content:"";position:absolute;right:7px;top:50%;
  width:14px;height:2px;margin-top:-1px;
  background:var(--ink-light);
}
.accordion-item.is-active .accordion-title{color:var(--ink);}
.accordion-item.is-active .accordion-title::before{transform:rotate(90deg);opacity:0;}
.accordion-content{
  display:none;
  padding:0 4px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  background:transparent;
  border:0;
}
.accordion-item.is-active .accordion-content{display:block;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--ink-deep);
  color:rgba(255,255,255,.82);
  padding:52px 0;
  margin-top:56px;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
}
.cta-inner h2{color:#fff;font-size:26px;margin-bottom:10px;}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.72);max-width:560px;margin:0;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.card-thumb{aspect-ratio:16/9;overflow:hidden;background:rgba(18,67,60,.08);}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;}
.card-body p{font-size:14px;color:var(--text-2);line-height:1.75;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px;}
.card-foot time{font-size:13px;color:var(--text-3);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.78);padding:56px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px 28px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);}
.footer-brand .brand-mark i{background:rgba(255,255,255,.72);}
.footer-brand .brand-mark i:nth-child(5){background:var(--amber);}
.footer-brand strong{color:#fff;font-size:15.5px;letter-spacing:.02em;}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);}
.site-footer h3{color:#fff;font-size:15px;margin-bottom:14px;font-weight:600;}
.footer-links{display:flex;flex-direction:column;}
.footer-links a{display:block;padding:5px 0;font-size:14px;color:rgba(255,255,255,.78);}
.footer-links a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--amber);text-underline-offset:3px;}
.footer-form{display:flex;gap:8px;flex-wrap:wrap;}
.footer-form input{
  flex:1 1 150px;
  padding:11px 14px;
  border:1px solid rgba(255,255,255,.2);
  border-radius:var(--r-input);
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:14px;
}
.footer-form input::placeholder{color:rgba(255,255,255,.48);}
.footer-form input:focus{border-color:var(--amber);outline:none;background:rgba(255,255,255,.1);}
.form-note{font-size:13px;color:rgba(255,255,255,.62);margin:10px 0 0;min-height:20px;}
.form-note.is-error{color:#F0B79F;}
.form-note.is-ok{color:#9ED9BC;}
.footer-info{
  grid-column:1/-1;
  display:flex;flex-wrap:wrap;gap:10px 30px;
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:20px;font-size:13.5px;color:rgba(255,255,255,.6);
}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  margin-top:26px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (min-width:1024px){
  body{padding-left:var(--side-w);}
  .mobile-bar{display:none;}
  .drawer-mask{display:none;}
  .app-sidebar{transform:none;}
}
@media (min-width:1024px) and (max-width:1199px){
  :root{--side-w:200px;}
  .app-sidebar{padding:22px 14px 18px;}
  .brand-text{font-size:14px;}
  .side-link{font-size:13.5px;padding:10px 10px 10px 15px;}
}
@media (max-width:1023px){
  body{padding-top:56px;}
  .app-sidebar{
    width:290px;
    transform:translateX(-100%);
    transition:transform .28s ease;
    box-shadow:var(--sh-3);
    z-index:90;
    border-right:0;
  }
  .app-sidebar.is-open{transform:translateX(0);}
  .drawer-mask{z-index:85;}
  .page-hero{padding:28px 0 30px;}
  .hero-inner{grid-template-columns:1fr;gap:24px;}
  .hero-figure{aspect-ratio:16/9;order:-1;}
  .page-hero h1{font-size:28px;}
  .hero-lead{font-size:16px;}
  .container{padding:0 24px;}
  .section{padding:48px 0;}
  .split{grid-template-columns:1fr;gap:26px;}
  .split-copy h2{font-size:23px;}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 16px;}
  .section{padding:40px 0;}
  .section-head h2{font-size:22px;}
  .section-head h2::before{height:18px;margin-right:10px;}
  .page-hero h1{font-size:26px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat strong{font-size:22px;}
  .step-item{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:22px 2px;}
  .step-no{font-size:26px;}
  .step-body h3{font-size:17px;}
  .step-link{grid-column:2;justify-self:start;align-self:start;}
  .rail-card{flex:0 0 80%;}
  .rel-grid{grid-template-columns:1fr;}
  .cta-band{padding:40px 0;margin-top:40px;}
  .cta-inner h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 160px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:480px){
  .container{padding:0 14px;}
  .brand-text{font-size:13.5px;}
  .page-hero h1{font-size:23px;}
  .hero-lead{font-size:15px;}
  .btn{padding:11px 20px;font-size:14.5px;width:100%;}
  .cta-actions{flex-direction:column;}
  .footer-form{flex-direction:column;}
  .footer-form .btn{width:100%;}
}

/* roulang page: category3 */
:root{
  --ink:#12433C;
  --ink-deep:#0B2E29;
  --ink-light:#1E6B5E;
  --amber:#E9A03B;
  --amber-hover:#F2B65C;
  --amber-active:#C9862A;
  --clay:#C4573F;
  --paper:#F7F4EC;
  --card:#FFFFFF;
  --text:#1A2320;
  --text-mid:#4C5A55;
  --text-weak:#8A968F;
  --border:#E3DED3;
  --divider:#EFEBE2;
  --success:#2F7D5B;
  --radius-card:14px;
  --radius-img:12px;
  --radius-input:10px;
  --radius-badge:6px;
  --shadow-1:0 2px 10px rgba(11,46,41,.06);
  --shadow-2:0 10px 26px rgba(11,46,41,.12);
  --shadow-3:0 18px 48px rgba(11,46,41,.18);
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"Noto Serif SC","Songti SC",STSong,"Source Han Serif SC",serif;
  --sidebar-w:240px;
  --topbar-h:56px;
}
*,*::before,*::after{box-sizing:border-box;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;}
h2{font-size:26px;line-height:1.34;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{margin:0 0 1.15em;color:var(--text-mid);}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
a{color:var(--ink-light);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--ink);}
img{max-width:100%;display:block;border-radius:0;}
button,input{font-family:inherit;font-size:inherit;}
button{border:none;background:none;cursor:pointer;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
:focus-visible{outline:2px solid var(--ink-light);outline-offset:2px;}

/* ---------- 左侧导航 ---------- */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-w);
  background:var(--ink-deep);
  padding:26px 18px 22px;
  display:flex;flex-direction:column;
  overflow-y:auto;z-index:70;
}
.brand{display:flex;align-items:center;gap:11px;color:#fff;margin-bottom:26px;}
.brand:hover{color:#fff;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:14.5px;letter-spacing:.02em;font-weight:700;color:#fff;}
.brand-text span{font-size:11.5px;color:rgba(255,255,255,.5);letter-spacing:.08em;}
.brand-mark{display:grid;grid-template-columns:repeat(3,1fr);gap:3px;width:27px;flex:0 0 27px;}
.brand-mark i{display:block;width:7px;height:7px;border-radius:2px;background:var(--amber);}
.brand-mark i:nth-child(5){background:#fff;}
.side-menu{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.side-link{
  position:relative;display:block;
  padding:11px 12px 11px 16px;
  font-size:14px;letter-spacing:.02em;
  color:rgba(255,255,255,.72);
  border-radius:8px;
  transition:color .2s ease,background .2s ease;
}
.side-link::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:3px;background:var(--amber);
  transition:height .22s ease;
}
.side-link:hover{color:#fff;background:rgba(255,255,255,.06);}
.side-link:hover::before{height:16px;}
.side-link.is-active{color:#fff;background:rgba(233,160,59,.14);}
.side-link.is-active::before{height:22px;}
.side-divider{height:1px;background:rgba(255,255,255,.12);margin:4px 0 18px;}
.side-title{font-size:12px;letter-spacing:.16em;color:rgba(255,255,255,.42);margin:0 0 12px 4px;}
.mini-list li{margin-bottom:12px;}
.mini-list a{display:block;font-size:13.5px;color:rgba(255,255,255,.78);line-height:1.55;}
.mini-list a:hover{color:#fff;}
.mini-list time{display:block;font-size:12px;color:rgba(255,255,255,.38);margin-top:3px;}
.side-cta{margin-top:auto;padding-top:20px;}
.side-cta p{font-size:12.5px;color:rgba(255,255,255,.55);margin-bottom:10px;}
.side-cta .btn{width:100%;justify-content:center;}
.side-copy{font-size:11.5px;color:rgba(255,255,255,.35);margin-top:16px;letter-spacing:.02em;}

/* ---------- 移动顶栏 ---------- */
.topbar{
  display:none;position:fixed;left:0;right:0;top:0;height:var(--topbar-h);
  background:var(--ink-deep);z-index:80;align-items:center;justify-content:space-between;
  padding:0 12px;
}
.topbar-btn{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:17px;border-radius:10px;
}
.topbar-btn:hover{background:rgba(255,255,255,.1);}
.topbar-brand{display:flex;align-items:center;gap:8px;color:#fff;}
.topbar-brand strong{font-size:14px;color:#fff;font-weight:700;}
.brand-mark-sm{width:22px;flex:0 0 22px;gap:2.5px;}
.brand-mark-sm i{width:6px;height:6px;}
.mobile-search{
  display:none;position:fixed;left:0;right:0;top:var(--topbar-h);z-index:79;
  background:var(--ink-deep);padding:0 14px 14px;
}
.mobile-search.is-open{display:block;}
.mobile-search form{display:flex;gap:10px;}
.mobile-search input{
  flex:1;padding:10px 14px;border-radius:var(--radius-input);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);color:#fff;
}
.mobile-search input::placeholder{color:rgba(255,255,255,.45);}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;left:0;top:0;bottom:0;width:280px;max-width:86vw;
  background:var(--ink-deep);z-index:95;padding:22px 18px;
  transform:translateX(-102%);transition:transform .28s ease;
  overflow-y:auto;box-shadow:var(--shadow-3);
}
.drawer.is-open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,46,41,.5);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 主内容 ---------- */
.site-main{margin-left:var(--sidebar-w);min-height:100vh;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.section{padding:72px 0;}
.section--tint{background:rgba(18,67,60,.04);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:26px;}
.section-title{position:relative;padding-left:15px;font-family:var(--serif);font-size:26px;line-height:1.32;}
.section-title::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--ink);}
.section-desc{font-size:14px;color:var(--text-weak);margin:8px 0 0;}
.section-more{font-size:14px;white-space:nowrap;}

/* ---------- 横幅 ---------- */
.page-banner{
  position:relative;overflow:hidden;
  background-color:var(--ink-deep);
  background-image:linear-gradient(100deg,rgba(11,46,41,.94) 0%,rgba(11,46,41,.82) 52%,rgba(18,67,60,.72) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  padding:56px 0 52px;color:#fff;
}
.page-banner .dot-matrix{
  position:absolute;right:40px;top:34px;width:190px;height:130px;
  background-image:radial-gradient(rgba(233,160,59,.85) 1.5px,transparent 1.6px);
  background-size:18px 18px;opacity:.32;pointer-events:none;
}
.crumbs{position:relative;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:14px;}
.crumbs a{color:rgba(255,255,255,.72);}
.crumbs a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.crumbs span{margin:0 8px;color:rgba(255,255,255,.4);}
.banner-title{position:relative;font-family:var(--serif);font-size:34px;line-height:1.24;font-weight:700;color:#fff;margin:0 0 14px;max-width:820px;}
.banner-lead{position:relative;font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);max-width:760px;margin-bottom:20px;}
.banner-badges{position:relative;display:flex;flex-wrap:wrap;gap:10px;}
.bchip{
  display:inline-block;font-size:13px;line-height:1.6;padding:5px 13px;border-radius:var(--radius-badge);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.88);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;line-height:1.2;
  border:1.5px solid transparent;transition:background .2s ease,color .2s ease,transform .18s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--amber);color:#231a0b;}
.btn-primary:hover{background:var(--amber-hover);color:#231a0b;transform:translateY(-1px);}
.btn-primary:active{background:var(--amber-active);transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:rgba(18,67,60,.08);color:var(--ink);}
.btn-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.btn-light:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn-sm{min-height:40px;padding:9px 20px;font-size:14px;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-block;font-size:13px;line-height:1.6;padding:3px 10px;
  border-radius:var(--radius-badge);background:rgba(18,67,60,.08);color:var(--ink);
}
.badge-clay{background:rgba(196,87,63,.12);color:var(--clay);}

/* ---------- 双列卡片墙 ---------- */
.card-wall{row-gap:24px;}
.seal-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.seal-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.seal-top{display:flex;align-items:center;gap:14px;margin-bottom:14px;}
.seal-icon{
  width:44px;height:44px;flex:0 0 44px;border-radius:12px;
  background:rgba(18,67,60,.08);color:var(--ink-light);
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.seal-card h3{font-size:18px;font-weight:600;}
.seal-card > p{font-size:14.5px;line-height:1.8;color:var(--text-mid);margin-bottom:14px;}
.seal-list{margin-bottom:18px;}
.seal-list li{
  position:relative;padding-left:16px;font-size:14px;line-height:1.78;
  color:var(--text-mid);margin-bottom:7px;
}
.seal-list li::before{
  content:"";position:absolute;left:0;top:11px;width:5px;height:5px;border-radius:50%;background:var(--ink-light);
}
.seal-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding-top:16px;border-top:1px solid var(--divider);
}
.seal-meta time{font-size:13px;color:var(--text-weak);}
.card-more{font-size:13.5px;font-weight:600;color:var(--ink-light);white-space:nowrap;}
.card-more i{margin-left:5px;font-size:12px;transition:transform .2s ease;}
.seal-card:hover .card-more i,.rel-card:hover .card-more i{transform:translateX(4px);}

/* ---------- 风险对照 ---------- */
.compare{
  display:grid;grid-template-columns:1fr 1fr;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.compare-col{padding:28px;}
.compare-col + .compare-col{border-left:1px solid var(--divider);}
.compare-col h3{font-size:18px;margin-bottom:16px;display:flex;align-items:center;gap:9px;}
.compare-col h3 i{font-size:15px;}
.compare-col.risk h3 i{color:var(--clay);}
.compare-col.fix h3 i{color:var(--success);}
.compare-item{padding:14px 0;border-top:1px solid var(--divider);}
.compare-item:first-of-type{border-top:none;padding-top:0;}
.compare-item strong{display:block;font-size:15px;font-weight:600;color:var(--text);margin-bottom:5px;}
.compare-item p{font-size:14px;line-height:1.78;color:var(--text-mid);margin:0;}

/* ---------- 流程 ---------- */
.flow-card{
  position:relative;height:100%;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.flow-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.flow-num{font-family:var(--serif);font-size:34px;font-weight:700;color:var(--amber);line-height:1;display:block;margin-bottom:12px;}
.flow-card h3{font-size:18px;margin-bottom:10px;}
.flow-card p{font-size:14.5px;line-height:1.8;margin:0;}

/* ---------- 数据带 ---------- */
.stats-band{
  position:relative;overflow:hidden;
  background:var(--ink-deep);border-radius:18px;padding:42px 36px;color:#fff;
}
.stats-band .dot-matrix{
  position:absolute;right:28px;bottom:20px;width:170px;height:110px;
  background-image:radial-gradient(rgba(255,255,255,.9) 1.4px,transparent 1.5px);
  background-size:17px 17px;opacity:.12;pointer-events:none;
}
.stats-band h2{color:#fff;font-family:var(--serif);font-size:24px;margin-bottom:8px;}
.stats-band .band-lead{color:rgba(255,255,255,.72);font-size:14.5px;max-width:680px;margin-bottom:26px;}
.stat-num{font-family:var(--serif);font-size:32px;font-weight:700;color:var(--amber);display:block;line-height:1.1;}
.stat-label{font-size:14px;color:rgba(255,255,255,.74);margin-top:8px;line-height:1.7;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.accordion{border:none;background:transparent;margin:0;}
.accordion-item{border:none;background:transparent;}
.accordion-title{
  display:block;position:relative;
  padding:19px 46px 19px 0;
  border-top:1px solid var(--divider);
  font-size:16px;font-weight:600;color:var(--text);
  background:transparent;line-height:1.6;
}
.accordion-title:hover{color:var(--ink-light);}
.accordion .accordion-title::before{
  left:auto;right:16px;top:50%;margin-top:-13px;
  font-size:19px;font-weight:400;color:var(--ink-light);background:none;
}
.accordion-item.is-active .accordion-title::before{color:var(--amber-active);}
.accordion-content{
  padding:0 46px 4px 0;border-top:none;background:transparent;
  font-size:15px;line-height:1.85;color:var(--text-mid);
}
.accordion-item.is-active .accordion-content{display:block;}
.faq-answer{padding-bottom:20px;border-bottom:1px solid var(--divider);}

/* ---------- CTA 带 ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:var(--ink-deep);border-radius:18px;padding:42px 40px;color:#fff;
  position:relative;overflow:hidden;
}
.cta-band h2{color:#fff;font-family:var(--serif);font-size:26px;line-height:1.34;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.74);font-size:15px;max-width:620px;margin:0;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-note{font-size:13px;color:rgba(255,255,255,.5);margin-top:12px;}

/* ---------- 相关分类 ---------- */
.rel-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.rel-thumb{overflow:hidden;background:rgba(18,67,60,.08);}
.rel-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.rel-body h3{font-size:17px;margin-bottom:9px;}
.rel-body p{font-size:14px;line-height:1.78;color:var(--text-mid);margin-bottom:16px;}
.rel-body .card-more{margin-top:auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.78);padding:58px 0 26px;}
.site-footer h3{color:#fff;font-size:15px;font-weight:600;letter-spacing:.02em;margin-bottom:16px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff;}
.footer-brand:hover{color:#fff;}
.footer-brand strong{font-size:15px;color:#fff;font-weight:700;}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin:0;}
.footer-links a{
  display:block;font-size:14px;color:rgba(255,255,255,.78);
  padding:4px 0;line-height:1.8;
}
.footer-links a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--amber);text-underline-offset:4px;text-decoration-thickness:2px;}
.footer-form{display:flex;gap:10px;}
.footer-form input{
  flex:1;min-width:0;padding:10px 14px;border-radius:var(--radius-input);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);color:#fff;
}
.footer-form input::placeholder{color:rgba(255,255,255,.45);}
.footer-form input:focus{outline:none;border-color:var(--amber);}
.form-note{font-size:13px;color:var(--amber);margin:10px 0 0;min-height:18px;}
.footer-info{
  grid-column:1 / -1;display:flex;flex-wrap:wrap;gap:10px 28px;
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.58);
}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:26px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px) and (min-width:1024px){
  :root{--sidebar-w:200px;}
  .container{padding:0 24px;}
  .banner-title{font-size:30px;}
}
@media (max-width:1023px){
  .sidebar{display:none;}
  .topbar{display:flex;}
  .site-main{margin-left:0;padding-top:var(--topbar-h);}
  .container{padding:0 24px;}
  .section{padding:56px 0;}
  .page-banner{padding:44px 0 40px;}
  .banner-title{font-size:28px;}
  .compare{grid-template-columns:1fr;}
  .compare-col + .compare-col{border-left:none;border-top:1px solid var(--divider);}
  .cta-band{padding:34px 28px;}
  .stats-band{padding:34px 26px;}
}
@media (max-width:767px){
  body{font-size:15.5px;line-height:1.8;}
  .container{padding:0 16px;}
  .section{padding:40px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .section-title,.cta-band h2{font-size:22px;}
  .banner-title{font-size:25px;}
  .banner-lead{font-size:15.5px;}
  .page-banner .dot-matrix{display:none;}
  .seal-card,.flow-card{padding:22px;}
  .footer-form{flex-direction:column;}
  .footer-form .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}
@media (max-width:520px){
  .banner-title{font-size:23px;}
  .section-title{font-size:20px;}
  .stat-num{font-size:27px;}
  .accordion-title{font-size:15px;padding-right:38px;}
  .accordion-content{padding-right:0;}
}

/* roulang page: category4 */
:root{
  --ink:#12433C;
  --ink-deep:#0B2E29;
  --ink-light:#1E6B5E;
  --amber:#E9A03B;
  --amber-hover:#F2B65C;
  --amber-active:#C9862A;
  --brick:#C4573F;
  --ok:#2F7D5B;
  --bg:#F7F4EC;
  --card:#FFFFFF;
  --text:#1A2320;
  --text-2:#4C5A55;
  --text-3:#8A968F;
  --border:#E3DED3;
  --line:#EFEBE2;
  --radius-card:14px;
  --radius-img:12px;
  --radius-input:10px;
  --radius-badge:6px;
  --shadow-1:0 2px 10px rgba(11,46,41,.06);
  --shadow-2:0 10px 26px rgba(11,46,41,.12);
  --shadow-drawer:0 18px 48px rgba(11,46,41,.18);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC","SimSun",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:var(--font-sans);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--ink-light);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--ink)}
button,input{font-family:inherit;font-size:100%}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink);margin:0;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- App Shell ---------- */
.app-shell{min-height:100vh}
.main-area{margin-left:240px;min-height:100vh;display:flex;flex-direction:column}
.main-area>main{flex:1}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}

/* ---------- 侧栏 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:240px;z-index:80;
  background:var(--ink-deep);color:rgba(255,255,255,.78);
  display:flex;flex-direction:column;padding:26px 18px 18px;
  overflow-y:auto;border-right:1px solid rgba(255,255,255,.06);
  scrollbar-width:thin;
}
.brand{display:flex;align-items:center;gap:11px;padding:0 6px 22px;text-decoration:none}
.brand-mark{display:grid;grid-template-columns:repeat(3,1fr);gap:3px;width:30px;height:30px;flex:0 0 30px}
.brand-mark i{display:block;background:var(--amber);border-radius:2px;opacity:.82}
.brand-mark i:nth-child(5){background:#fff;opacity:1}
.brand-text strong{display:block;color:#fff;font-size:15px;line-height:1.35;letter-spacing:.02em}
.brand-text em{display:block;font-style:normal;font-size:12px;color:rgba(255,255,255,.5);margin-top:3px}
.side-menu{display:flex;flex-direction:column;gap:4px}
.side-link{
  position:relative;display:flex;align-items:center;min-height:44px;
  padding:10px 14px 10px 20px;border-radius:10px;
  color:rgba(255,255,255,.74);font-size:14px;letter-spacing:.02em;text-decoration:none;
  transition:background .2s ease,color .2s ease;
}
.side-link::before{
  content:"";position:absolute;left:7px;top:50%;width:3px;height:0;border-radius:2px;
  background:var(--amber);transform:translateY(-50%);transition:height .22s ease;
}
.side-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.side-link:hover::before{height:16px}
.side-link.is-active{color:#fff;background:rgba(233,160,59,.16)}
.side-link.is-active::before{height:20px}
.side-divider{height:1px;background:rgba(255,255,255,.1);margin:20px 6px}
.side-latest-title{font-family:var(--font-sans);font-size:12px;letter-spacing:.16em;color:rgba(255,255,255,.45);margin:0 0 12px 8px;font-weight:600}
.latest-item{display:block;padding:9px 8px;border-radius:8px;text-decoration:none;transition:background .2s ease}
.latest-item:hover{background:rgba(255,255,255,.06)}
.latest-text{display:block;font-size:13px;color:rgba(255,255,255,.8);line-height:1.55}
.latest-item:hover .latest-text{color:#fff;text-decoration:underline;text-decoration-color:var(--amber);text-underline-offset:3px}
.latest-time{display:block;font-size:11.5px;color:rgba(255,255,255,.4);margin-top:2px}
.side-foot{margin-top:auto;padding-top:22px}
.side-copy{font-size:11.5px;color:rgba(255,255,255,.38);margin:14px 6px 0;line-height:1.6}

/* ---------- 移动顶栏 ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  background:rgba(11,46,41,.97);align-items:center;justify-content:space-between;
  padding:0 14px;border-bottom:1px solid rgba(255,255,255,.08);
}
.menu-btn{width:44px;height:44px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;background:none;border:0;cursor:pointer;padding:0}
.menu-btn span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:transform .2s ease}
.topbar-brand{color:#fff;font-size:15px;font-weight:600;letter-spacing:.02em;text-decoration:none}
.topbar-brand:hover{color:#fff}
.topbar-action{width:44px;height:44px;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.85);border-radius:10px}
.topbar-action:hover{color:var(--amber);background:rgba(255,255,255,.08)}
.drawer-mask{display:none;position:fixed;inset:0;background:rgba(11,46,41,.55);z-index:75}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:10px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;text-decoration:none;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--amber);color:var(--ink-deep);border-color:var(--amber)}
.btn-primary:hover{background:var(--amber-hover);color:var(--ink-deep);transform:translateY(-1px);box-shadow:0 8px 18px rgba(11,46,41,.16)}
.btn-primary:active{background:var(--amber-active);transform:translateY(0);box-shadow:none}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:rgba(18,67,60,.08);color:var(--ink)}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.36);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--ink-deep);border-color:#fff}
.btn-sm{padding:10px 18px;font-size:14px;min-height:40px}
.btn-block{width:100%}
.btn:focus-visible,.side-link:focus-visible,.faq-q:focus-visible,.topbar-action:focus-visible,
.menu-btn:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink-light)}
.text-link::after{content:"→";transition:transform .2s ease}
.text-link:hover{color:var(--ink)}
.text-link:hover::after{transform:translateX(3px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-block;padding:4px 10px;border-radius:var(--radius-badge);background:rgba(18,67,60,.08);color:var(--ink);font-size:13px;font-weight:600;line-height:1.6}
.badge-hot{background:rgba(196,87,63,.12);color:var(--brick)}
.tag{display:inline-block;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.14);color:#fff;font-size:13px;line-height:1.6;border:1px solid rgba(255,255,255,.2)}

/* ---------- 横幅 ---------- */
.page-banner{
  position:relative;color:#fff;padding:52px 0 66px;overflow:hidden;
  background-image:linear-gradient(105deg,rgba(11,46,41,.94) 0%,rgba(18,67,60,.9) 62%,rgba(30,107,94,.86) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-banner::after{
  content:"";position:absolute;inset:auto 0 0 0;height:120px;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.5) 1.2px,transparent 1.3px);
  background-size:16px 16px;opacity:.07;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:18px}
.breadcrumb a{color:rgba(255,255,255,.62)}
.breadcrumb a:hover{color:var(--amber)}
.breadcrumb .sep{opacity:.5}
.page-banner h1{color:#fff;font-size:34px;line-height:1.32;font-weight:700;max-width:820px;letter-spacing:.01em}
.banner-lead{margin-top:16px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);max-width:720px}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}

/* ---------- 数据条 ---------- */
.stat-wrap{margin-top:-42px;position:relative;z-index:6}
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:0 14px 34px rgba(11,46,41,.10);overflow:hidden;
}
.stat-cell{padding:22px 24px;border-right:1px solid var(--line)}
.stat-cell:last-child{border-right:0}
.stat-cell strong{display:block;font-family:var(--font-serif);font-size:23px;color:var(--ink);line-height:1.35}
.stat-cell span{display:block;font-size:13px;color:var(--text-3);margin-top:4px}

/* ---------- 板块 ---------- */
.section{padding:72px 0 0}
.section-head{max-width:760px;margin-bottom:28px}
.eyebrow{font-size:13px;letter-spacing:.14em;color:var(--ink-light);font-weight:600;margin-bottom:10px}
.section-head h2{font-size:26px;line-height:1.4;padding-left:14px;border-left:4px solid var(--ink);font-weight:700}
.section-lead{margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--text-2)}

/* ---------- 对比卡片 ---------- */
.compare-card{
  height:100%;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.compare-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.compare-card h3{font-size:20px;line-height:1.45;margin:14px 0 10px;font-weight:600}
.compare-card>p{font-size:14.5px;line-height:1.85;color:var(--text-2)}
.spec-list{margin:18px 0 20px;padding:0;border-top:1px solid var(--line)}
.spec-row{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid var(--line)}
.spec-row dt{font-size:13.5px;color:var(--text-3);flex:0 0 auto}
.spec-row dd{margin:0;font-size:13.5px;color:var(--text);font-weight:600;text-align:right}
.compare-card .text-link{margin-top:auto}

/* ---------- 图文分栏 ---------- */
.split-media{border-radius:var(--radius-card);overflow:hidden;position:relative;box-shadow:var(--shadow-1)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-media::after{content:"";position:absolute;inset:0;background:rgba(18,67,60,.12);pointer-events:none}
.check-list{list-style:none;display:grid;gap:14px}
.check-list li{
  display:grid;grid-template-columns:46px 1fr;gap:16px;align-items:start;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-img);
  padding:18px 20px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.check-list li:hover{transform:translateY(-2px);box-shadow:var(--shadow-1);border-color:#D6D0C3}
.check-list .num{font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--amber-active);line-height:1.6}
.check-list h3{font-family:var(--font-sans);font-size:16px;font-weight:600;color:var(--text);line-height:1.6;margin-bottom:4px}
.check-list p{font-size:14.5px;line-height:1.8;color:var(--text-2)}

/* ---------- 时间线 ---------- */
.timeline{list-style:none;position:relative;max-width:880px;display:grid;gap:20px;padding-left:6px}
.tl-item{position:relative;display:grid;grid-template-columns:52px 1fr;gap:18px}
.tl-item:not(:last-child)::before{content:"";position:absolute;left:25px;top:52px;bottom:-20px;width:2px;background:var(--line)}
.tl-index{
  width:52px;height:52px;border-radius:50%;background:#fff;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);
  font-size:17px;font-weight:700;color:var(--ink);box-shadow:var(--shadow-1);position:relative;z-index:1;
}
.tl-body{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-img);padding:18px 22px}
.tl-body h3{font-family:var(--font-sans);font-size:16.5px;font-weight:600;color:var(--text);margin-bottom:6px}
.tl-body p{font-size:14.5px;line-height:1.8;color:var(--text-2)}

/* ---------- 对照区 ---------- */
.versus{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1)}
.versus-head{display:grid;grid-template-columns:1fr 1fr;background:#F1EEE6;border-bottom:1px solid var(--line)}
.versus-head span{padding:14px 22px;font-size:13px;font-weight:700;letter-spacing:.06em}
.versus-head span:first-child{color:var(--brick)}
.versus-head span:last-child{color:var(--ok);border-left:1px solid var(--line)}
.versus-row{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
.versus-row:first-of-type{border-top:0}
.versus-row p{margin:0;padding:18px 22px 18px 46px;font-size:14.5px;line-height:1.8;position:relative}
.versus-row .is-bad{color:var(--text-2);border-right:1px solid var(--line)}
.versus-row .is-bad::before{content:"✕";position:absolute;left:22px;top:19px;color:var(--brick);font-size:13px;font-weight:700}
.versus-row .is-good{color:var(--text);font-weight:500}
.versus-row .is-good::before{content:"✓";position:absolute;left:22px;top:19px;color:var(--ok);font-size:13px;font-weight:700}

/* ---------- FAQ ---------- */
.faq-list{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);padding:6px 24px;box-shadow:var(--shadow-1);max-width:920px}
.faq-item{border-top:1px solid var(--line)}
.faq-item:first-child{border-top:0}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:18px;
  padding:20px 0;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-q:hover{color:var(--ink)}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 auto}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--ink-light);border-radius:2px;transition:transform .26s ease,opacity .26s ease}
.faq-icon::before{width:14px;height:2px;transform:translate(-50%,-50%)}
.faq-icon::after{width:2px;height:14px;transform:translate(-50%,-50%)}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a p{padding:0 0 20px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:760px}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink-deep);border-radius:18px;
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;color:#fff;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-40px;width:260px;height:260px;pointer-events:none;
  background-image:radial-gradient(rgba(233,160,59,.55) 1.5px,transparent 1.6px);
  background-size:18px 18px;opacity:.16;
}
.cta-band h2{color:#fff;font-size:25px;line-height:1.4;margin-bottom:10px;position:relative;z-index:1}
.cta-band p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.76);max-width:560px;position:relative;z-index:1}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}

/* ---------- 相关分类 ---------- */
.related-card{
  display:flex;flex-direction:column;height:100%;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);text-decoration:none;
  transition:transform .25s ease,box-shadow .25s ease;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.related-card figure{margin:0;overflow:hidden}
.related-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.related-card:hover img{transform:scale(1.03)}
.rc-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.rc-body h3{font-family:var(--font-sans);font-size:17px;font-weight:600;color:var(--text)}
.rc-body p{font-size:14px;line-height:1.8;color:var(--text-2)}
.rc-more{margin-top:auto;padding-top:6px;font-size:13.5px;font-weight:600;color:var(--ink-light)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.78);padding:56px 0 22px;margin-top:72px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:36px}
.footer-brand{display:flex;align-items:center;gap:11px;text-decoration:none;margin-bottom:16px}
.footer-brand strong{color:#fff;font-size:15.5px;letter-spacing:.02em}
.footer-brand .brand-mark{width:28px;height:28px;flex:0 0 28px}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px}
.site-footer h3{font-family:var(--font-sans);font-size:14px;color:#fff;font-weight:600;letter-spacing:.04em;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);text-decoration:none}
.footer-links a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--amber);text-underline-offset:4px;text-decoration-thickness:2px}
.footer-form{display:flex;gap:10px;flex-wrap:wrap}
.footer-form input{
  flex:1 1 170px;min-height:44px;padding:10px 14px;border-radius:var(--radius-input);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);color:#fff;
  font-size:14px;transition:border-color .2s ease,background .2s ease;
}
.footer-form input::placeholder{color:rgba(255,255,255,.45)}
.footer-form input:focus{border-color:var(--amber);background:rgba(255,255,255,.1);outline:none}
.form-note{font-size:13px;margin-top:10px;color:rgba(255,255,255,.6);min-height:20px}
.footer-info{grid-column:1 / -1;display:flex;flex-wrap:wrap;gap:10px 34px;padding-top:6px;border-top:1px solid rgba(255,255,255,.1);margin-top:8px;padding-top:20px}
.footer-info span{font-size:13px;color:rgba(255,255,255,.56)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.52);
}

/* ---------- 断点 ---------- */
@media (min-width:1024px) and (max-width:1199px){
  .side-nav{width:200px;padding:22px 14px 16px}
  .main-area{margin-left:200px}
  .brand-text strong{font-size:14px}
}
@media (max-width:1023px){
  .side-nav{
    width:282px;transform:translateX(-100%);transition:transform .28s ease;
    box-shadow:var(--shadow-drawer);padding-top:22px;
  }
  .side-nav.is-open{transform:translateX(0)}
  .topbar{display:flex}
  .main-area{margin-left:0;padding-top:56px}
  .drawer-mask.is-open{display:block}
  .container{padding:0 24px}
  .page-banner{padding:40px 0 58px}
  .page-banner h1{font-size:28px}
  .section{padding:56px 0 0}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat-cell:nth-child(2){border-right:0}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-about{max-width:none}
}
@media (max-width:767px){
  .container{padding:0 16px}
  body{font-size:15.5px;line-height:1.8}
  .page-banner h1{font-size:26px;line-height:1.34}
  .banner-lead{font-size:15.5px}
  .section-head h2{font-size:22px;padding-left:12px}
  .stat-strip{grid-template-columns:1fr}
  .stat-cell{border-right:0;border-bottom:1px solid var(--line)}
  .stat-cell:last-child{border-bottom:0}
  .versus-head{display:none}
  .versus-row{grid-template-columns:1fr}
  .versus-row .is-bad{border-right:0;background:#FDF7F4}
  .versus-row .is-good{background:#F4FAF7}
  .faq-list{padding:4px 18px}
  .faq-q{font-size:15px;padding:17px 0}
  .tl-item{grid-template-columns:44px 1fr;gap:14px}
  .tl-index{width:44px;height:44px;font-size:15px}
  .tl-item:not(:last-child)::before{left:21px;top:44px}
  .check-list li{grid-template-columns:38px 1fr;padding:16px}
  .cta-band{padding:30px 22px;border-radius:14px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:479px){
  .page-banner{padding:30px 0 52px}
  .page-banner h1{font-size:23px}
  .stat-cell{padding:18px 20px}
  .stat-cell strong{font-size:20px}
  .cta-actions .btn{width:100%}
}