/* roulang page: index */
:root{
  --ink:#0B1210;
  --ink-2:#232D28;
  --jade:#0F4D3D;
  --jade-deep:#08352A;
  --lime:#C8F05A;
  --mist:#A9C3B7;
  --paper:#F6F3EC;
  --paper-2:#EDE7DA;
  --line:rgba(11,18,16,.12);
  --line-dark:rgba(246,243,236,.16);
  --danger:#B4553F;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --shadow:0 12px 32px rgba(11,18,16,.08);
  --shadow-soft:0 6px 18px rgba(11,18,16,.06);
  --ease:cubic-bezier(.2,.8,.2,1);
  --serif:"Noto Serif SC","Songti SC","STSong",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background-color:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(900px 520px at 84% -10%, rgba(15,77,61,.06), transparent 70%),
    linear-gradient(90deg, rgba(11,18,16,.035) 1px, transparent 1px);
  background-size:auto, 92px 100%;
}
.page{position:relative;z-index:1;font-family:var(--sans);line-height:1.85;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){ .container{padding:0 32px;} }

.section{padding:64px 0;}
@media (min-width:768px){ .section{padding:84px 0;} }
@media (min-width:1024px){ .section{padding:96px 0;} }

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--jade);font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);border-radius:2px;}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.section-title{font-family:var(--serif);font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.2;font-weight:700;letter-spacing:.01em;}
.section-desc{margin-top:12px;color:var(--ink-2);font-size:15px;max-width:640px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--jade);
  border-bottom:1px solid rgba(15,77,61,.35);
  padding-bottom:2px;transition:color .26s var(--ease),border-color .26s var(--ease);
}
.text-link:hover{color:var(--ink);border-color:var(--ink);}

/* 悬浮胶囊导航 */
.site-header{position:fixed;top:0;left:0;right:0;z-index:80;padding:16px 16px 0;}
@media (min-width:768px){ .site-header{padding:18px 24px 0;} }
.nav-pill{
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;gap:16px;
  height:66px;padding:0 10px 0 16px;
  border-radius:999px;
  background:rgba(246,243,236,.88);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:0 10px 30px rgba(11,18,16,.08);
}
@media (min-width:768px){ .nav-pill{padding:0 12px 0 22px;height:70px;} }
.brand{display:inline-flex;align-items:center;gap:10px;min-width:0;flex:0 0 auto;}
.brand-mark{
  width:26px;height:26px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--jade) 0%,var(--jade-deep) 58%,var(--ink) 100%);
  position:relative;box-shadow:inset 0 0 0 1px rgba(246,243,236,.22);
}
.brand-mark::after{
  content:"";position:absolute;left:7px;bottom:7px;width:8px;height:8px;
  border-radius:3px;background:var(--lime);
}
.brand-text{font-size:15px;font-weight:700;letter-spacing:.02em;white-space:nowrap;}
@media (max-width:400px){ .brand-text{font-size:13.5px;} }
.nav-links{display:none;align-items:center;gap:6px;margin-left:auto;}
@media (min-width:1024px){ .nav-links{display:flex;gap:4px;} }
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;
  padding:0 14px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--ink-2);
  transition:color .26s var(--ease),background-color .26s var(--ease);
}
.nav-link:hover{color:var(--jade);background:rgba(15,77,61,.06);}
.nav-link.is-active{color:var(--ink);font-weight:700;}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:7px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--lime);
}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:auto;}
@media (min-width:1024px){ .nav-actions{margin-left:8px;} }
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(246,243,236,.6);
  transition:border-color .26s var(--ease),background-color .26s var(--ease);
}
.nav-toggle:hover{border-color:var(--jade);}
.nav-toggle span{display:block;position:relative;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .28s var(--ease),opacity .28s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}
@media (min-width:1024px){ .nav-toggle{display:none;} }

.mobile-panel{
  max-width:1180px;margin:10px auto 0;
  border-radius:var(--r-lg);
  background:rgba(246,243,236,.97);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  padding:10px;
  display:none;
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 16px;border-radius:14px;
  font-size:15px;color:var(--ink-2);
  transition:background-color .24s var(--ease),color .24s var(--ease);
}
.mobile-panel a:hover{background:var(--paper-2);color:var(--jade);}
.mobile-panel a.is-active{color:var(--ink);font-weight:700;}
.mobile-panel a.is-active::after{content:"●";font-size:9px;color:var(--jade);}
@media (min-width:1024px){ .mobile-panel{display:none !important;} }

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;
  transition:background-color .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease),transform .18s var(--ease),box-shadow .28s var(--ease);
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--ink);color:var(--lime);box-shadow:0 10px 24px rgba(11,18,16,.18);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--jade);background:rgba(15,77,61,.07);color:var(--jade);}
.btn-sm{min-height:42px;padding:0 18px;font-size:14px;}
.btn-light{background:var(--paper);color:var(--ink);}
.btn-light:hover{background:var(--lime);color:var(--ink);}
.btn-line{background:transparent;color:var(--paper);border-color:var(--line-dark);}
.btn-line:hover{border-color:var(--lime);color:var(--lime);}
.btn[disabled]{opacity:.45;pointer-events:none;}

/* 标签 */
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;font-size:12px;letter-spacing:.08em;font-weight:600;
  background:rgba(15,77,61,.08);color:var(--jade);border:1px solid rgba(15,77,61,.14);
  white-space:nowrap;
}
.tag-lime{background:rgba(200,240,90,.35);color:var(--jade-deep);border-color:rgba(15,77,61,.18);}
.tag-dark{background:rgba(11,18,16,.06);color:var(--ink-2);border-color:var(--line);}

/* Hero */
.hero{padding:132px 0 56px;}
@media (min-width:768px){ .hero{padding:150px 0 72px;} }
@media (min-width:1024px){ .hero{padding:176px 0 88px;} }
.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center;}
@media (min-width:1024px){ .hero-grid{grid-template-columns:7fr 5fr;gap:56px;} }
.hero-title{
  font-family:var(--serif);
  font-size:clamp(2.15rem,5.4vw,4.1rem);
  line-height:1.06;font-weight:700;letter-spacing:.01em;
  margin:18px 0 0;
}
.hero-title-sub{
  display:block;margin-top:14px;
  font-family:var(--sans);font-size:clamp(.95rem,1.7vw,1.24rem);
  font-weight:500;color:var(--jade);line-height:1.5;letter-spacing:.02em;
}
.hero-sub{
  margin-top:22px;max-width:34em;
  font-size:16.5px;line-height:1.9;color:var(--ink-2);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags .tag{height:30px;padding:0 14px;font-size:12.5px;letter-spacing:.06em;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
.hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  aspect-ratio:16/10;background:var(--jade-deep);
}
@media (min-width:1024px){ .hero-media{aspect-ratio:4/5;} }
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center 30%;transition:transform .6s var(--ease);}
.hero-media:hover img{transform:scale(1.04);}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,18,16,0) 38%,rgba(8,53,42,.55) 68%,rgba(11,18,16,.88) 100%);
}
.hero-media-body{position:absolute;left:0;right:0;bottom:0;padding:22px;z-index:2;color:var(--paper);}
.hero-media-body .tag{background:rgba(246,243,236,.16);border-color:var(--line-dark);color:var(--paper);}
.hero-media-body p{margin-top:10px;font-size:14.5px;line-height:1.7;color:rgba(246,243,236,.82);}

/* 合集目录 */
.collection-grid{display:grid;grid-template-columns:1fr;gap:28px;}
@media (min-width:1024px){ .collection-grid{grid-template-columns:3fr 9fr;gap:56px;} }
.collection-side{align-self:start;}
@media (min-width:1024px){ .collection-side{position:sticky;top:110px;} }
.collection-side p{margin-top:14px;font-size:15px;color:var(--ink-2);max-width:26em;}
.collection-list{border-bottom:1px solid var(--line);}
.collection-row{
  display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;
  padding:20px 16px;border-top:1px solid var(--line);
  border-radius:16px;
  transition:background-color .28s var(--ease),transform .28s var(--ease);
}
.collection-row:hover{background:var(--paper-2);}
.collection-row:hover .row-arrow{transform:translateX(6px);color:var(--jade);}
.collection-row:hover .row-index{color:var(--jade);}
.row-index{font-family:var(--serif);font-size:15px;font-weight:700;color:var(--mist);letter-spacing:.06em;transition:color .28s var(--ease);}
.row-main{min-width:0;}
.row-title{font-size:17px;font-weight:700;line-height:1.5;}
.row-desc{margin-top:6px;font-size:14px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.row-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.row-thumb{width:88px;height:64px;border-radius:12px;overflow:hidden;flex:0 0 auto;border:1px solid var(--line);display:none;}
@media (min-width:640px){ .row-thumb{display:block;} }
.row-thumb img{width:100%;height:100%;object-fit:cover;}
.row-arrow{font-size:18px;color:var(--mist);transition:transform .28s var(--ease),color .28s var(--ease);}
.row-end{display:flex;align-items:center;gap:14px;}

/* 最新信息 */
.latest-wrap{margin-top:8px;}
.lead-card{
  display:grid;grid-template-columns:1fr;gap:0;
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  background:rgba(246,243,236,.6);
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.lead-card:hover{transform:translateY(-4px);border-color:rgba(15,77,61,.35);box-shadow:var(--shadow);}
@media (min-width:768px){ .lead-card{grid-template-columns:1.15fr 1fr;} }
.lead-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--jade-deep);}
.lead-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.lead-card:hover .lead-media img{transform:scale(1.04);}
.lead-body{padding:24px;display:flex;flex-direction:column;gap:12px;}
@media (min-width:768px){ .lead-body{padding:32px;} }
.lead-body h3{font-size:clamp(1.2rem,2vw,1.6rem);line-height:1.42;font-weight:700;}
.lead-body p{font-size:15px;color:var(--ink-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.meta-line{display:flex;align-items:center;gap:14px;font-size:12.5px;color:var(--mist);letter-spacing:.04em;}
.meta-line .dot{width:4px;height:4px;border-radius:50%;background:var(--mist);}
.lead-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:8px;}
.lead-foot .go{font-size:14px;font-weight:600;color:var(--jade);display:inline-flex;align-items:center;gap:6px;transition:gap .26s var(--ease);}
.lead-card:hover .lead-foot .go{gap:12px;}

.latest-list{margin-top:14px;border-top:1px solid var(--line);}
.latest-item a{
  display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;
  padding:18px 16px;border-bottom:1px solid var(--line);border-radius:14px;
  transition:background-color .26s var(--ease);
}
.latest-item a:hover{background:var(--paper-2);}
.latest-item h3{font-size:16px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.latest-item .meta-line{margin-top:8px;}
.latest-item .row-arrow{font-size:16px;}
.latest-item a:hover .row-arrow{transform:translateX(6px);color:var(--jade);}

.empty-state{
  border:1px dashed rgba(11,18,16,.22);border-radius:var(--r-md);
  padding:44px 24px;text-align:center;background:rgba(237,231,218,.4);
}
.empty-state p{font-size:15px;color:var(--ink-2);}
.empty-state .btn{margin-top:20px;}

/* 精选条目 */
.featured-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px;}
@media (min-width:1024px){ .featured-grid{gap:24px;} }
.f-card{
  grid-column:span 12;
  display:flex;flex-direction:column;
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  background:rgba(246,243,236,.65);
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.f-card:hover{transform:translateY(-4px);border-color:rgba(15,77,61,.35);box-shadow:var(--shadow);}
@media (min-width:768px){
  .f-card.a{grid-column:span 6;}
  .f-card.b,.f-card.c{grid-column:span 3;}
  .f-card.d{grid-column:span 12;}
}
.f-media{position:relative;overflow:hidden;background:var(--jade-deep);}
.f-card.a .f-media,.f-card.b .f-media,.f-card.c .f-media{aspect-ratio:16/11;}
.f-card.a .f-media img,.f-card.b .f-media img,.f-card.c .f-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.f-card:hover .f-media img{transform:scale(1.04);}
.f-media .tag{position:absolute;left:14px;top:14px;background:rgba(246,243,236,.92);border-color:rgba(11,18,16,.1);color:var(--jade);}
.f-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
@media (min-width:768px){ .f-body{padding:24px;} }
.f-body h3{font-size:17px;font-weight:700;line-height:1.5;}
.f-card.a .f-body h3{font-size:clamp(1.15rem,1.9vw,1.45rem);}
.f-body p{font-size:14.5px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.f-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:6px;}
@media (min-width:768px){
  .f-card.d{flex-direction:row;}
  .f-card.d .f-media{flex:0 0 46%;aspect-ratio:16/10;}
  .f-card.d .f-media img{width:100%;height:100%;object-fit:cover;object-position:center 60%;transition:transform .6s var(--ease);}
}

/* 相关推荐 */
.related-grid{display:grid;grid-template-columns:1fr;gap:0 48px;}
@media (min-width:1024px){ .related-grid{grid-template-columns:1fr 1fr;} }
.related-item a{
  display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;
  padding:18px 14px;border-top:1px solid var(--line);border-radius:14px;
  transition:background-color .26s var(--ease);
}
.related-item a:hover{background:var(--paper-2);}
.related-item:last-child a{border-bottom:1px solid var(--line);}
@media (min-width:1024px){ .related-item:nth-last-child(2) a{border-bottom:1px solid var(--line);} }
.related-item .row-index{font-size:13px;}
.related-item h3{font-size:15.5px;font-weight:600;line-height:1.55;}
.related-item:hover .row-arrow{transform:translateX(6px);color:var(--jade);}

/* 收藏分享 CTA */
.cta-band{background:var(--ink);color:var(--paper);border-radius:0;padding:52px 0;}
@media (min-width:768px){ .cta-band{padding:64px 0;} }
.cta-inner{display:flex;flex-direction:column;gap:26px;}
@media (min-width:1024px){ .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:48px;} }
.cta-inner h2{font-family:var(--serif);font-size:clamp(1.6rem,2.6vw,2.2rem);line-height:1.24;font-weight:700;}
.cta-inner p{margin-top:12px;font-size:15px;color:rgba(246,243,236,.72);max-width:34em;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}
#copyLinkBtn.is-done{background:var(--jade);color:var(--paper);}

/* 页脚 */
.site-footer{background:var(--ink);color:var(--paper);padding:64px 0 28px;}
@media (min-width:768px){ .site-footer{padding:76px 0 32px;} }
.footer-grid{display:grid;grid-template-columns:1fr;gap:40px;}
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.2fr .8fr 1.2fr;gap:56px;} }
.footer-brand .brand-text{font-size:17px;}
.footer-brand .brand-mark{width:28px;height:28px;}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.85;color:rgba(246,243,236,.68);max-width:30em;}
.footer-col h3{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--mist);font-weight:600;}
.footer-links{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  font-size:14.5px;color:rgba(246,243,236,.82);width:fit-content;
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:color .26s var(--ease),border-color .26s var(--ease);
}
.footer-links a:hover{color:var(--lime);border-color:var(--lime);}
.footer-form{margin-top:18px;display:grid;grid-template-columns:1fr;gap:12px;}
@media (min-width:640px){ .footer-form{grid-template-columns:1fr 1fr;} }
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:12.5px;letter-spacing:.08em;color:var(--mist);}
.field input,.field select{
  height:48px;padding:0 14px;border-radius:var(--r-sm);
  background:rgba(246,243,236,.06);
  border:1px solid var(--line-dark);
  color:var(--paper);font-size:14.5px;
  transition:border-color .26s var(--ease),box-shadow .26s var(--ease),background-color .26s var(--ease);
}
.field input::placeholder{color:rgba(246,243,236,.4);}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--lime);
  box-shadow:0 0 0 3px rgba(200,240,90,.22);
  background:rgba(246,243,236,.1);
}
.field select option{color:var(--ink);}
.form-note{grid-column:1 / -1;font-size:12.5px;color:rgba(246,243,236,.5);}
.form-tip{grid-column:1 / -1;font-size:13px;color:var(--lime);min-height:20px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;flex-direction:column;gap:10px;
  font-size:12.5px;color:rgba(246,243,236,.52);
}
@media (min-width:768px){ .footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;} }

/* 入场动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
}

/* roulang page: article */
:root{
  --ink:#0B1210;
  --ink-2:#232D28;
  --jade:#0F4D3D;
  --jade-deep:#08352A;
  --lime:#C8F05A;
  --mist:#A9C3B7;
  --paper:#F6F3EC;
  --paper-2:#EDE7DA;
  --line:rgba(11,18,16,.12);
  --line-dark:rgba(246,243,236,.16);
  --danger:#B4553F;
  --radius-card:24px;
  --radius-media:20px;
  --shadow-nav:0 14px 40px -24px rgba(11,18,16,.55);
  --shadow-card:0 18px 40px -30px rgba(11,18,16,.55);
  --ease:cubic-bezier(.2,.8,.2,1);
  --serif:"Noto Serif SC","Songti SC","STSong",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;min-height:100vh;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background-color:var(--paper);
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    radial-gradient(70% 46% at 12% -6%, rgba(15,77,61,.06), transparent 65%),
    radial-gradient(52% 38% at 92% 4%, rgba(200,240,90,.10), transparent 70%),
    repeating-linear-gradient(90deg, rgba(11,18,16,.028) 0 1px, transparent 1px 180px);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--lime);outline-offset:3px;border-radius:8px;
}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;padding:16px 16px 8px}
.nav-pill{
  max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:18px;
  height:68px;padding:0 12px 0 20px;border-radius:999px;
  background:rgba(246,243,236,.88);border:1px solid var(--line);
  box-shadow:var(--shadow-nav);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.01em;white-space:nowrap;color:var(--ink)}
.brand-mark{position:relative;width:22px;height:22px;border-radius:7px;background:var(--ink);flex:none}
.brand-mark::after{content:"";position:absolute;inset:6px;border-radius:3px;background:var(--lime)}
.brand-text{font-size:15.5px}
.nav-links{display:none}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-link{
  position:relative;font-size:14.5px;color:var(--ink-2);padding:6px 2px;
  transition:color .26s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.nav-link:hover{color:var(--jade)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:rgba(255,255,255,.6);cursor:pointer;transition:background .26s var(--ease),border-color .26s var(--ease);
}
.nav-toggle:hover{background:var(--paper-2);border-color:var(--jade)}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);position:relative;transition:background .2s}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--ink);
  transition:transform .28s var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{
  display:none;max-width:1180px;margin:10px auto 0;padding:12px;border-radius:24px;
  background:rgba(246,243,236,.97);border:1px solid var(--line);box-shadow:var(--shadow-nav);
  backdrop-filter:blur(16px);
}
.mobile-panel.is-open{display:block}
.mobile-panel a{
  display:flex;align-items:center;height:48px;padding:0 16px;border-radius:16px;
  font-size:15px;color:var(--ink-2);transition:background .24s var(--ease),color .24s var(--ease);
}
.mobile-panel a:hover,.mobile-panel a.is-active{background:var(--paper-2);color:var(--jade)}
@media (min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:26px;margin-left:auto}
  .nav-actions{margin-left:0}
  .nav-toggle{display:none}
  .mobile-panel{display:none !important}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:14.5px;font-weight:600;line-height:1;cursor:pointer;
  transition:background .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease),transform .24s var(--ease),box-shadow .28s var(--ease);
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-primary:hover{background:var(--ink);color:var(--lime);border-color:var(--ink);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--jade);background:var(--paper-2)}
.btn-sm{min-height:38px;padding:0 16px;font-size:13.5px}
.btn[disabled]{opacity:.65;cursor:default;transform:none}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--mist);
  padding:18px 0 0;overflow-x:auto;white-space:nowrap;scrollbar-width:none;
}
.breadcrumb::-webkit-scrollbar{display:none}
.breadcrumb a{color:var(--ink-2);transition:color .24s var(--ease);text-decoration:underline;text-decoration-color:transparent;text-underline-offset:4px}
.breadcrumb a:hover{color:var(--jade);text-decoration-color:var(--lime)}
.breadcrumb .sep{color:rgba(11,18,16,.28)}
.breadcrumb .current{
  color:var(--mist);max-width:48vw;overflow:hidden;text-overflow:ellipsis;display:inline-block;vertical-align:bottom;
}
@media (min-width:768px){.breadcrumb .current{max-width:520px}}

/* ---------- 文章头部 ---------- */
main{position:relative;z-index:1}
.article-hero{padding:8px 0 0}
.article-head{
  display:grid;grid-template-columns:1fr;gap:22px;margin-top:22px;align-items:end;
}
@media (min-width:1024px){.article-head{grid-template-columns:minmax(0,1fr) auto;gap:32px}}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:999px;
  font-size:12.5px;letter-spacing:.08em;color:var(--jade);
  background:rgba(15,77,61,.08);border:1px solid rgba(15,77,61,.16);
}
.article-title{
  font-family:var(--serif);
  font-size:clamp(1.85rem,3.6vw,3rem);
  line-height:1.18;font-weight:600;letter-spacing:-.005em;
  margin:14px 0 0;color:var(--ink);max-width:22ch;
}
@media (min-width:1024px){.article-title{max-width:26ch}}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:20px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-2);
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--mist);display:inline-block}
.head-actions{display:flex;flex-wrap:wrap;gap:10px}
.article-cover{
  margin:30px 0 0;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);background:var(--jade-deep);
  aspect-ratio:16/9;box-shadow:var(--shadow-card);position:relative;
}
.article-cover img{width:100%;height:100%;object-fit:cover;object-position:center 42%}
.article-cover::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(11,18,16,0) 55%,rgba(11,18,16,.42) 100%);
}

/* ---------- 正文布局 ---------- */
.article-main{padding:52px 0 8px}
.article-layout{display:grid;grid-template-columns:1fr;gap:40px}
@media (min-width:1024px){
  .article-layout{grid-template-columns:8fr 4fr;gap:56px;align-items:start}
}
.article-main-col{min-width:0;max-width:760px;width:100%}
.article-side{min-width:0}
@media (min-width:1024px){.article-side{position:sticky;top:104px}}

/* ---------- 正文排版 ---------- */
.article-body{font-size:17px;line-height:1.9;color:var(--ink-2)}
.article-body p{margin:0 0 22px;line-height:1.9;color:var(--ink-2)}
.article-body > p:first-of-type{
  border-left:2px solid var(--lime);padding-left:18px;color:var(--ink);
}
.article-body h2{
  font-family:var(--serif);font-size:clamp(1.4rem,2.2vw,1.85rem);line-height:1.32;
  color:var(--ink);font-weight:600;margin:56px 0 18px;scroll-margin-top:120px;
}
.article-body h3{
  font-size:1.2rem;line-height:1.45;color:var(--ink);font-weight:600;margin:34px 0 12px;
  scroll-margin-top:120px;
}
.article-body h4{font-size:1.02rem;color:var(--ink);margin:26px 0 10px;font-weight:600}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 22px}
.article-body li{margin:8px 0;line-height:1.85}
.article-body li::marker{color:var(--jade)}
.article-body strong{color:var(--ink);font-weight:600}
.article-body blockquote{
  margin:32px 0;padding:20px 24px;border-left:3px solid var(--jade);
  background:var(--paper-2);border-radius:14px;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-media);margin:26px 0;width:100%;height:auto}
.article-body figure{margin:28px 0}
.article-body figcaption{font-size:13px;color:var(--mist);margin-top:10px;line-height:1.7}
.article-body a{
  color:var(--jade);text-decoration:underline;text-decoration-thickness:1px;
  text-underline-offset:4px;text-decoration-color:rgba(15,77,61,.35);
  transition:color .24s var(--ease),text-decoration-color .24s var(--ease);
}
.article-body a:hover{color:var(--ink);text-decoration-color:var(--lime)}
.article-body table{
  width:100%;border-collapse:collapse;margin:28px 0;font-size:15px;
  border:1px solid var(--line);border-radius:14px;overflow:hidden;
}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;line-height:1.7}
.article-body th{background:var(--paper-2);color:var(--ink);font-weight:600}
.article-body tr:last-child td{border-bottom:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0}
.article-body code{
  background:var(--paper-2);border-radius:6px;padding:2px 6px;font-size:.92em;color:var(--jade-deep);
}

/* ---------- 侧栏 ---------- */
.side-card{
  background:rgba(255,255,255,.6);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 22px 16px;margin-bottom:18px;
}
.side-toggle{
  display:flex;width:100%;align-items:center;justify-content:space-between;gap:10px;
  background:none;border:0;padding:0;margin:0 0 14px;cursor:pointer;
  font-size:12.5px;letter-spacing:.12em;color:var(--mist);font-weight:600;text-align:left;
}
.side-toggle:hover{color:var(--jade)}
.side-toggle-icon{font-size:15px;color:var(--jade);line-height:1}
.side-card.is-collapsed #tocBox{display:none}
.toc-list{list-style:none;margin:0 0 6px;padding:0;display:grid;gap:2px}
.toc-list a{
  display:block;padding:9px 10px;border-radius:10px;font-size:14px;line-height:1.55;
  color:var(--ink-2);transition:background .24s var(--ease),color .24s var(--ease),transform .24s var(--ease);
}
.toc-list a:hover{background:var(--paper-2);color:var(--jade);transform:translateX(2px)}
.toc-empty{font-size:13.5px;color:var(--mist);padding:4px 2px 8px}
.side-list{list-style:none;margin:0;padding:0}
.side-list li + li{border-top:1px solid var(--line)}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 2px;font-size:14.5px;line-height:1.6;color:var(--ink-2);
  transition:color .24s var(--ease),padding-left .24s var(--ease);
}
.side-list a:hover{color:var(--jade);padding-left:6px}
.side-list .arrow{color:var(--mist);font-size:14px;flex:none}
.side-back{margin-top:4px;display:block;text-align:center}

/* ---------- 相关推荐 ---------- */
.related-block{margin-top:56px;padding-top:32px;border-top:1px solid var(--line)}
.related-block h2{
  font-family:var(--serif);font-size:clamp(1.35rem,2.2vw,1.7rem);
  margin:0 0 8px;color:var(--ink);font-weight:600;
}
.related-sub{margin:0 0 18px;font-size:14.5px;color:var(--ink-2)}
.related-grid{display:grid;grid-template-columns:1fr}
@media (min-width:768px){.related-grid{grid-template-columns:1fr 1fr;column-gap:32px}}
.related-item{
  display:flex;gap:14px;align-items:flex-start;padding:16px 10px 16px 0;
  border-bottom:1px solid var(--line);border-radius:12px;
  transition:background .24s var(--ease),padding-left .24s var(--ease);
}
.related-item:hover{background:var(--paper-2);padding-left:10px}
.related-num{
  font-size:12px;letter-spacing:.1em;font-weight:700;color:var(--jade);
  padding-top:3px;flex:none;
}
.related-txt{display:block;min-width:0}
.related-txt strong{display:block;font-size:15.5px;line-height:1.6;color:var(--ink);font-weight:600}
.related-txt em{display:block;font-style:normal;font-size:12.5px;color:var(--mist);margin-top:4px;letter-spacing:.02em}

/* ---------- 收藏与分享 ---------- */
.share-band{
  margin:44px 0 0;background:var(--ink);color:var(--paper);border-radius:28px;
  padding:32px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
  position:relative;overflow:hidden;
}
.share-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle, rgba(200,240,90,.16), transparent 70%);pointer-events:none;
}
.share-band h2{font-family:var(--serif);font-size:clamp(1.3rem,2.2vw,1.7rem);margin:0 0 8px;color:var(--paper);font-weight:600}
.share-band p{margin:0;font-size:14.5px;line-height:1.8;color:rgba(246,243,236,.7);max-width:46ch}
.share-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}
.share-band .btn-ghost{border-color:var(--line-dark);color:var(--paper);background:transparent}
.share-band .btn-ghost:hover{background:rgba(246,243,236,.08);border-color:var(--lime);color:var(--lime)}
.share-band .btn-ghost.is-on{border-color:var(--lime);color:var(--lime);background:rgba(200,240,90,.12)}

/* ---------- 空态 ---------- */
.empty-state{
  border:1px dashed var(--line);border-radius:20px;padding:48px 24px;text-align:center;
  background:rgba(255,255,255,.45);
}
.empty-state h2{font-family:var(--serif);font-size:1.4rem;margin:0 0 10px;color:var(--ink);font-weight:600}
.empty-state p{margin:0 auto 20px;max-width:44ch;font-size:14.5px;color:var(--ink-2);line-height:1.85}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;z-index:1;background:var(--ink);color:rgba(246,243,236,.78);
  padding:64px 0 28px;margin-top:72px;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:900px){.footer-grid{grid-template-columns:1.3fr .8fr 1.2fr;gap:48px}}
.footer-brand .brand{color:var(--paper)}
.footer-brand .brand-mark{background:var(--lime)}
.footer-brand .brand-mark::after{background:var(--ink)}
.footer-brand p{margin:16px 0 0;font-size:14.5px;line-height:1.85;color:rgba(246,243,236,.66);max-width:34ch}
.footer-col h3{font-size:12.5px;letter-spacing:.14em;color:var(--mist);margin:0 0 18px;font-weight:600}
.footer-links{display:grid;gap:12px}
.footer-links a{
  width:fit-content;font-size:14.5px;color:rgba(246,243,236,.78);
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:color .24s var(--ease),border-color .24s var(--ease);
}
.footer-links a:hover{color:var(--lime);border-bottom-color:var(--lime)}
.footer-form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.footer-form .field.full{grid-column:1/-1}
@media (max-width:520px){.footer-form{grid-template-columns:1fr}}
.field label{display:block;font-size:12.5px;letter-spacing:.06em;color:var(--mist);margin-bottom:6px}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;border-radius:14px;
  border:1px solid var(--line-dark);background:rgba(246,243,236,.06);
  color:var(--paper);font-size:14.5px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease);
}
.field input::placeholder{color:rgba(246,243,236,.36)}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--lime);background:rgba(246,243,236,.1);
  box-shadow:0 0 0 3px rgba(200,240,90,.18);
}
.form-note{grid-column:1/-1;font-size:12.5px;line-height:1.7;color:rgba(246,243,236,.48);margin:4px 0 0}
.form-tip{grid-column:1/-1;font-size:13px;line-height:1.7;color:var(--lime);margin:0;min-height:1px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:46px;padding-top:22px;border-top:1px solid var(--line-dark);
  font-size:12.5px;color:rgba(246,243,236,.5);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

/* ---------- 响应式细节 ---------- */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .article-side{position:static}
}
@media (max-width:520px){
  .site-header{padding:12px 12px 6px}
  .nav-pill{height:62px;padding:0 10px 0 16px;gap:12px}
  .brand-text{font-size:14.5px}
  .article-main{padding:40px 0 4px}
  .article-title{max-width:none}
  .head-actions{width:100%}
  .head-actions .btn{flex:1 1 auto}
  .share-band{padding:24px;border-radius:22px}
  .share-actions{width:100%}
  .share-actions .btn{flex:1 1 auto}
  .article-body{font-size:16.5px}
  .side-card{padding:20px 18px 14px}
}

/* roulang page: category1 */
:root{
  --ink:#0B1210;--ink-2:#232D28;--jade:#0F4D3D;--jade-deep:#08352A;
  --lime:#C8F05A;--mist:#A9C3B7;--paper:#F6F3EC;--paper-2:#EDE7DA;
  --line:rgba(11,18,16,.12);--line-dark:rgba(246,243,236,.16);
  --danger:#B4553F;
  --r-card:24px;--r-media:20px;--r-pill:999px;--r-field:14px;
  --shadow-nav:0 10px 30px rgba(11,18,16,.08);
  --shadow-card:0 16px 40px rgba(11,18,16,.07);
  --ease:cubic-bezier(.2,.8,.2,1);
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --serif:"Noto Serif SC","Songti SC","STSong",serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background-color:var(--paper);
  background-image:
    radial-gradient(1100px 560px at 88% -8%, rgba(15,77,61,.055), transparent 68%),
    radial-gradient(900px 520px at -12% 24%, rgba(15,77,61,.04), transparent 70%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 32px;}}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:16px 20px 0;}
.nav-pill{
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  height:68px;padding:0 10px 0 18px;
  background:rgba(246,243,236,.88);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:var(--r-pill);
  box-shadow:var(--shadow-nav);
}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);min-height:44px;}
.brand-mark{position:relative;display:inline-block;width:26px;height:26px;border-radius:8px;background:var(--jade);flex:none;}
.brand-mark::after{content:"";position:absolute;inset:8px;border-radius:3px;background:var(--lime);}
.brand-text{font-weight:600;font-size:16px;letter-spacing:.01em;white-space:nowrap;}
.nav-links{display:none;}
@media (min-width:1024px){.nav-links{display:flex;align-items:center;gap:4px;}}
.nav-link{
  position:relative;display:inline-flex;align-items:center;min-height:44px;
  padding:8px 12px;font-size:15px;color:var(--ink-2);text-decoration:none;border-radius:var(--r-pill);
  transition:color .26s var(--ease),background-color .26s var(--ease);
}
.nav-link:hover{color:var(--jade);background:rgba(15,77,61,.07);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--lime);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:transparent;cursor:pointer;transition:background-color .24s var(--ease),border-color .24s var(--ease);
}
.nav-toggle:hover{background:var(--paper-2);border-color:rgba(15,77,61,.35);}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:background-color .24s var(--ease);}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .28s var(--ease),top .28s var(--ease);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}
@media (min-width:1024px){.nav-toggle{display:none;}}
.mobile-panel{
  display:none;max-width:1180px;margin:12px auto 0;padding:12px;
  background:rgba(246,243,236,.97);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-nav);
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:flex;align-items:center;min-height:48px;padding:0 16px;border-radius:16px;
  font-size:15px;color:var(--ink-2);text-decoration:none;
  transition:background-color .24s var(--ease),color .24s var(--ease);
}
.mobile-panel a:hover{background:var(--paper-2);color:var(--jade);}
.mobile-panel a.is-active{color:var(--ink);font-weight:600;background:rgba(200,240,90,.22);}
@media (min-width:1024px){.mobile-panel{display:none !important;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:background-color .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease),transform .2s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--ink);color:var(--lime);}
.btn-primary:active{transform:scale(.97);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--jade);background:var(--paper-2);color:var(--jade-deep);}
.btn-ghost:active{transform:scale(.97);}
.btn-light{background:rgba(246,243,236,.10);color:var(--paper);border-color:var(--line-dark);}
.btn-light:hover{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.btn-sm{min-height:44px;padding:0 18px;font-size:14px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:26px 0 0;font-size:13px;color:var(--ink-2);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;}
.breadcrumb a{text-decoration:none;color:var(--ink-2);transition:color .24s var(--ease);}
.breadcrumb a:hover{color:var(--jade);}
.breadcrumb .sep{color:var(--mist);}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ---------- 页面首屏 ---------- */
.page-hero{padding:34px 0 4px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.16em;font-weight:600;color:var(--jade);}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--lime);}
.page-hero h1{
  margin-top:16px;
  font-family:var(--serif);font-weight:600;
  font-size:clamp(2rem,4.6vw,3.2rem);line-height:1.16;letter-spacing:.01em;
}
.hero-desc{max-width:42em;margin-top:18px;color:var(--ink-2);font-size:16px;line-height:1.85;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag{
  display:inline-flex;align-items:center;min-height:34px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.55);font-size:13px;color:var(--ink-2);letter-spacing:.03em;
}

/* ---------- 主体 ---------- */
.topic-body{display:grid;grid-template-columns:1fr;gap:28px;padding:48px 0 0;}
@media (min-width:1024px){.topic-body{grid-template-columns:minmax(200px,250px) minmax(0,1fr);gap:52px;padding:64px 0 0;}}
.index-col{align-self:start;}
@media (min-width:1024px){.index-col{position:sticky;top:104px;}}
.index-title{font-size:12px;letter-spacing:.14em;font-weight:600;color:var(--jade);margin-bottom:14px;}
.index-list{display:flex;gap:6px;}
@media (max-width:1023px){
  .index-list{flex-direction:row;overflow-x:auto;padding:2px 0 12px;-webkit-overflow-scrolling:touch;}
  .index-list li{flex:none;}
}
@media (min-width:1024px){.index-list{flex-direction:column;gap:2px;}}
.index-list a{
  display:flex;align-items:center;gap:10px;
  padding:9px 12px;border-radius:14px;font-size:14px;line-height:1.5;
  color:var(--ink-2);text-decoration:none;transition:background-color .24s var(--ease),color .24s var(--ease);
}
@media (max-width:1023px){
  .index-list a{white-space:nowrap;border:1px solid var(--line);background:rgba(255,255,255,.55);padding:8px 14px;border-radius:var(--r-pill);min-height:40px;}
}
.index-list a:hover{background:var(--paper-2);color:var(--jade-deep);}
.index-list .num{font-size:12px;font-weight:600;color:var(--jade);font-variant-numeric:tabular-nums;}

.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:6px;}
.section-title{font-family:var(--serif);font-size:clamp(1.5rem,2.8vw,2.1rem);line-height:1.25;font-weight:600;letter-spacing:.01em;}
.section-note{font-size:13px;color:var(--mist);letter-spacing:.04em;}

.entry-list{border-bottom:1px solid var(--line);}
.entry{
  display:grid;grid-template-columns:38px minmax(0,1fr) 88px 36px;align-items:start;gap:14px 18px;
  padding:22px 10px;border-top:1px solid var(--line);border-radius:14px;
  text-decoration:none;color:inherit;
  transition:background-color .28s var(--ease),transform .28s var(--ease);
}
.entry:hover{background:var(--paper-2);}
.entry-num{font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--jade);font-variant-numeric:tabular-nums;padding-top:6px;}
.entry-main{min-width:0;}
.entry-title{font-family:var(--serif);font-size:1.15rem;font-weight:600;line-height:1.55;color:var(--ink);transition:color .24s var(--ease);}
.entry:hover .entry-title{color:var(--jade-deep);}
.entry-desc{margin-top:8px;max-width:42em;font-size:15px;line-height:1.8;color:var(--ink-2);}
.entry-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.chip{display:inline-flex;align-items:center;font-size:12px;letter-spacing:.04em;padding:3px 10px;border-radius:var(--r-pill);background:rgba(15,77,61,.08);color:var(--jade-deep);}
.entry-thumb{width:88px;height:64px;border-radius:14px;object-fit:cover;border:1px solid var(--line);background:var(--jade-deep);}
.entry-arrow{
  display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--r-pill);
  border:1px solid var(--line);color:var(--ink-2);flex:none;
  transition:background-color .28s var(--ease),border-color .28s var(--ease),transform .28s var(--ease),color .28s var(--ease);
}
.entry:hover .entry-arrow{background:var(--lime);border-color:var(--lime);color:var(--ink);transform:translateX(4px);}
@media (max-width:767px){
  .entry{grid-template-columns:32px minmax(0,1fr) 36px;padding:20px 8px;gap:12px;}
  .entry-thumb{display:none;}
  .entry-title{font-size:1.05rem;}
}

/* ---------- FAQ ---------- */
.faq-section{padding:64px 0 0;}
.faq-list{max-width:860px;margin-top:22px;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-item summary{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:16px 8px 16px 16px;cursor:pointer;list-style:none;
  font-size:18px;font-weight:600;line-height:1.6;color:var(--ink);
  transition:color .24s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--jade);}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:50%;width:3px;height:22px;border-radius:2px;background:var(--lime);
  transform:translateY(-50%) scaleY(0);transform-origin:center;transition:transform .28s var(--ease);
}
.faq-item[open] summary::before{transform:translateY(-50%) scaleY(1);}
.faq-icon{position:relative;width:22px;height:22px;flex:none;}
.faq-icon::before{content:"";position:absolute;left:0;right:0;top:10px;height:2px;border-radius:2px;background:var(--jade);}
.faq-icon::after{content:"";position:absolute;left:10px;top:0;bottom:0;width:2px;border-radius:2px;background:var(--jade);transition:transform .28s var(--ease);}
.faq-item[open] .faq-icon::after{transform:scaleY(0);}
.faq-answer{padding:0 16px 24px 16px;max-width:760px;font-size:15.5px;line-height:1.85;color:var(--ink-2);}

/* ---------- 收藏与分享 ---------- */
.cta-band{
  margin-top:64px;padding:32px;border-radius:var(--r-card);
  background:var(--ink);color:var(--paper);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band h2{font-family:var(--serif);font-size:clamp(1.4rem,2.4vw,1.9rem);line-height:1.3;font-weight:600;}
.cta-band p{margin-top:10px;max-width:38em;font-size:15px;line-height:1.8;color:var(--mist);}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 相关分类 ---------- */
.related{padding:64px 0 0;}
.related-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:22px;}
@media (min-width:768px){.related-grid{grid-template-columns:1fr 1fr;}}
.related-card{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px;border-radius:var(--r-media);border:1px solid var(--line);background:rgba(255,255,255,.5);
  text-decoration:none;color:inherit;
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease),background-color .28s var(--ease);
}
.related-card:hover{transform:translateY(-4px);border-color:rgba(15,77,61,.35);box-shadow:var(--shadow-card);background:var(--paper-2);}
.related-card h3{font-size:1.05rem;font-weight:600;line-height:1.5;}
.related-card p{margin-top:6px;font-size:14px;line-height:1.8;color:var(--ink-2);}
.related-card .arrow{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--r-pill);border:1px solid var(--line);flex:none;transition:background-color .28s var(--ease),transform .28s var(--ease),border-color .28s var(--ease);}
.related-card:hover .arrow{background:var(--lime);border-color:var(--lime);transform:translateX(4px);}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:80px;padding:64px 0 0;background:var(--ink);color:var(--paper);}
.footer-grid{display:grid;grid-template-columns:1fr;gap:40px;}
@media (min-width:900px){.footer-grid{grid-template-columns:1.15fr .7fr 1.15fr;gap:56px;}}
.site-footer .brand{color:var(--paper);}
.site-footer .brand-mark{background:var(--lime);}
.site-footer .brand-mark::after{background:var(--jade-deep);}
.footer-brand p{margin-top:16px;max-width:34em;font-size:14.5px;line-height:1.85;color:var(--mist);}
.footer-col h3{font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--mist);margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  width:fit-content;font-size:15px;color:var(--paper);text-decoration:none;
  border-bottom:1px solid transparent;transition:color .24s var(--ease),border-color .24s var(--ease);
}
.footer-links a:hover{color:var(--lime);border-color:var(--lime);}
.footer-form{display:grid;grid-template-columns:1fr;gap:14px;}
@media (min-width:520px){.footer-form{grid-template-columns:1fr 1fr;}.footer-form .full{grid-column:1 / -1;}}
.field{display:flex;flex-direction:column;gap:6px;}
.field label{font-size:13px;color:var(--mist);letter-spacing:.03em;}
.field input,.field select{
  height:48px;padding:0 14px;border-radius:var(--r-field);
  border:1px solid var(--line-dark);background:rgba(246,243,236,.06);color:var(--paper);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease);
}
.field input::placeholder{color:rgba(246,243,236,.36);}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--lime);background:rgba(246,243,236,.1);
  box-shadow:0 0 0 3px rgba(200,240,90,.20);
}
.field select option{color:var(--ink);background:var(--paper);}
.form-note{font-size:12.5px;line-height:1.7;color:var(--mist);}
.form-tip{font-size:13px;color:var(--lime);min-height:18px;}
.form-tip.is-error{color:var(--danger);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:48px;padding:26px 0 32px;border-top:1px solid var(--line-dark);
  font-size:13px;color:var(--mist);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  .btn,.entry,.related-card,.nav-link,.entry-arrow,.related-card .arrow{transition:none;}
}

/* roulang page: category2 */
:root{
  --ink:#0B1210;
  --ink-2:#232D28;
  --jade:#0F4D3D;
  --jade-deep:#08352A;
  --lime:#C8F05A;
  --mist:#A9C3B7;
  --paper:#F6F3EC;
  --paper-2:#EDE7DA;
  --line:rgba(11,18,16,.12);
  --line-dark:rgba(246,243,236,.16);
  --danger:#B4553F;
  --radius:24px;
  --radius-sm:14px;
  --shadow-nav:0 16px 36px -26px rgba(11,18,16,.55);
  --shadow-card:0 22px 44px -32px rgba(11,18,16,.5);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background-color:var(--paper);
  background-image:
    radial-gradient(760px 420px at 84% -6%, rgba(15,77,61,.055), transparent 68%),
    radial-gradient(620px 380px at 4% 22%, rgba(200,240,90,.10), transparent 70%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
p{margin:0 0 16px}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:.01em}
ul,ol{margin:0;padding:0;list-style:none}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}

/* ============ 悬浮胶囊导航 ============ */
.site-header{position:sticky;top:16px;z-index:80;padding:0 16px}
.nav-pill{
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;gap:20px;
  height:68px;padding:0 12px 0 20px;
  background:rgba(246,243,236,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--shadow-nav);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{position:relative;width:26px;height:26px;border-radius:9px;background:var(--jade);flex:0 0 auto;transition:transform .28s var(--ease)}
.brand-mark::after{content:"";position:absolute;inset:7px;border-radius:3px;background:var(--lime)}
.brand:hover .brand-mark{transform:rotate(-8deg) scale(1.04)}
.brand-text{font-weight:600;font-size:16px;letter-spacing:.02em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-link{position:relative;font-size:15px;color:var(--ink-2);padding:6px 2px;transition:color .24s var(--ease)}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;border-radius:2px;
  background:var(--lime);transition:width .28s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{width:100%}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:14px;
  background:transparent;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.28s var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.28s var(--ease)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{
  display:none;position:absolute;left:16px;right:16px;top:calc(100% + 10px);
  background:rgba(246,243,236,.98);border:1px solid var(--line);border-radius:24px;
  box-shadow:0 26px 50px -30px rgba(11,18,16,.55);padding:12px;z-index:90;
}
.mobile-panel.is-open{display:block}
.mobile-panel a{display:flex;align-items:center;height:48px;padding:0 16px;border-radius:16px;font-size:15px;color:var(--ink-2);transition:.24s var(--ease)}
.mobile-panel a:hover,.mobile-panel a.is-active{background:var(--paper-2);color:var(--ink)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;
  transition:background .26s var(--ease),color .26s var(--ease),border-color .26s var(--ease),transform .18s var(--ease),box-shadow .26s var(--ease);
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-primary:hover{background:var(--ink);color:var(--lime);border-color:var(--ink)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--jade);background:var(--paper-2)}
.btn-light{background:var(--paper);color:var(--ink);border-color:transparent}
.btn-light:hover{background:var(--lime);color:var(--ink)}
.btn-outline-light{background:transparent;color:var(--paper);border-color:var(--line-dark)}
.btn-outline-light:hover{border-color:var(--lime);color:var(--lime)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
[disabled],.is-disabled{opacity:.45;pointer-events:none}

/* ============ 面包屑 ============ */
.crumb-bar{padding:34px 0 0}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);flex-wrap:wrap}
.breadcrumb a{color:var(--ink-2);border-bottom:1px solid transparent;padding-bottom:1px;transition:.24s var(--ease)}
.breadcrumb a:hover{color:var(--jade);border-bottom-color:var(--jade)}
.breadcrumb .sep{color:var(--mist)}
.breadcrumb .current{color:var(--jade);font-weight:600}

/* ============ Hero ============ */
.hero{padding:26px 0 12px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;margin-top:28px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--jade);font-weight:600;margin-bottom:18px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);border-radius:2px}
.hero h1{
  font-family:"Noto Serif SC","Songti SC","STSong",serif;
  font-size:clamp(2.4rem,5.2vw,4.2rem);
  line-height:1.08;font-weight:700;letter-spacing:.01em;
}
.hero-sub{margin-top:22px;font-size:17px;line-height:1.85;color:var(--ink-2);max-width:34em}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-flex;align-items:center;
  padding:7px 15px;border-radius:999px;border:1px solid var(--line);
  font-size:12px;letter-spacing:.08em;color:var(--ink-2);background:rgba(255,255,255,.5);
}
.hero-media{position:relative;margin:0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card)}
.hero-media img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:center 32%}
.hero-media::after{content:"";position:absolute;inset:auto 0 0 0;height:46%;background:linear-gradient(180deg,rgba(8,53,42,0),rgba(8,53,42,.82))}
.hero-media figcaption{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;
  color:var(--paper);font-size:13px;line-height:1.7;letter-spacing:.04em;
}

/* ============ 板块通用 ============ */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:84px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{
  font-family:"Noto Serif SC","Songti SC","STSong",serif;
  font-size:clamp(1.7rem,3vw,2.5rem);line-height:1.2;font-weight:600;
}
.section-head .head-note{font-size:14px;color:var(--ink-2);max-width:32em;line-height:1.8;margin:0}
.section-kicker{font-size:12px;letter-spacing:.18em;color:var(--jade);font-weight:600;margin-bottom:12px;display:block}

/* ============ 编号卡片流 ============ */
.svc-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.svc-card{
  position:relative;grid-column:span 12;
  background:rgba(255,255,255,.55);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px 28px;overflow:hidden;
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease);
}
.svc-card::before{
  content:"";position:absolute;left:0;top:26px;width:3px;height:0;border-radius:0 3px 3px 0;
  background:var(--lime);transition:height .3s var(--ease);
}
.svc-card:hover{transform:translateY(-4px);border-color:rgba(15,77,61,.35);box-shadow:var(--shadow-card);background:#fff}
.svc-card:hover::before{height:56px}
.svc-num{
  display:block;font-family:"Noto Serif SC","Songti SC",serif;
  font-size:clamp(1.8rem,3vw,2.4rem);line-height:1;color:var(--jade);font-weight:600;margin-bottom:16px;
}
.svc-card:hover .svc-num{color:var(--jade-deep)}
.svc-card h3{font-size:1.28rem;line-height:1.45;margin-bottom:12px}
.svc-card p{font-size:15px;line-height:1.85;color:var(--ink-2);margin:0 0 20px}
.svc-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:16px;border-top:1px solid var(--line)}
.svc-tags{display:flex;gap:8px;flex-wrap:wrap}
.chip{font-size:12px;letter-spacing:.06em;color:var(--jade);background:rgba(15,77,61,.08);border-radius:999px;padding:5px 12px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--jade);border-bottom:1px solid rgba(15,77,61,.35);padding-bottom:2px;transition:.24s var(--ease)}
.text-link:hover{color:var(--ink);border-bottom-color:var(--ink)}
.text-link .arrow{transition:transform .26s var(--ease)}
.text-link:hover .arrow{transform:translateX(4px)}
@media (min-width:900px){
  .svc-card.span-7{grid-column:span 7}
  .svc-card.span-5{grid-column:span 5}
}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);max-width:940px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:20px;
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  padding:22px 8px 22px 22px;font-size:19px;line-height:1.6;font-weight:600;
  transition:color .24s var(--ease);
}
.faq-q::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--lime);transition:height .28s var(--ease);
}
.faq-item.is-open .faq-q::before{height:24px}
.faq-q:hover{color:var(--jade)}
.faq-icon{position:relative;flex:0 0 auto;width:20px;height:20px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--jade);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .28s var(--ease),opacity .28s var(--ease);
}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0}
.faq-a{overflow:hidden;max-height:0;transition:max-height .34s var(--ease)}
.faq-a-inner{padding:0 8px 24px 22px;max-width:760px;font-size:15.5px;line-height:1.85;color:var(--ink-2)}
.faq-a-inner p:last-child{margin-bottom:0}

/* ============ 联系/订阅表单 ============ */
.intake{
  background:linear-gradient(150deg,var(--jade) 0%,var(--jade-deep) 62%,#062A22 100%);
  border-radius:28px;padding:36px 26px;color:var(--paper);
  border:1px solid rgba(246,243,236,.14);
}
@media (min-width:768px){.intake{padding:48px 44px}}
.intake-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:960px){.intake-grid{grid-template-columns:0.85fr 1.15fr;gap:48px;align-items:start}}
.intake h2{font-family:"Noto Serif SC","Songti SC",serif;font-size:clamp(1.6rem,2.6vw,2.1rem);line-height:1.25;color:var(--paper)}
.intake p{color:rgba(246,243,236,.78);font-size:15px;line-height:1.85;margin-top:16px}
.intake-list{margin-top:22px;display:grid;gap:10px}
.intake-list li{display:flex;gap:10px;font-size:14px;color:rgba(246,243,236,.8);line-height:1.75}
.intake-list li::before{content:"";flex:0 0 auto;width:6px;height:6px;margin-top:9px;border-radius:50%;background:var(--lime)}
.form-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:640px){.form-grid{grid-template-columns:1fr 1fr}}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;letter-spacing:.06em;color:rgba(246,243,236,.72)}
.field input,.field select{
  height:50px;padding:0 16px;border-radius:var(--radius-sm);
  background:rgba(246,243,236,.96);border:1px solid rgba(11,18,16,.16);
  color:var(--ink);font-size:15px;transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.field input::placeholder{color:#8A968F}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--jade);box-shadow:0 0 0 3px rgba(200,240,90,.35);
}
.form-hint{font-size:12.5px;color:rgba(246,243,236,.6);line-height:1.7;margin:0}
.form-status{font-size:13px;color:var(--lime);min-height:20px;margin:0}
.form-status.is-error{color:#F0B6A6}

/* ============ 相关分类 ============ */
.related-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:820px){.related-grid{grid-template-columns:1fr 1fr}}
.related-card{
  display:flex;align-items:center;gap:18px;padding:20px;
  border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.55);
  transition:transform .26s var(--ease),border-color .26s var(--ease),background .26s var(--ease);
}
.related-card:hover{transform:translateY(-3px);border-color:rgba(15,77,61,.35);background:#fff}
.related-card img{width:88px;height:66px;border-radius:14px;object-fit:cover;flex:0 0 auto}
.related-card h3{font-size:1.05rem;margin-bottom:4px}
.related-card span{font-size:13px;color:var(--ink-2)}
.related-card .arrow{margin-left:auto;color:var(--jade);transition:transform .26s var(--ease)}
.related-card:hover .arrow{transform:translateX(4px)}

/* ============ 收藏分享 CTA ============ */
.cta-band{
  background:var(--ink);color:var(--paper);border-radius:28px;
  padding:32px 26px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
@media (min-width:768px){.cta-band{padding:40px 44px}}
.cta-band h2{font-family:"Noto Serif SC","Songti SC",serif;font-size:clamp(1.5rem,2.4vw,2rem);color:var(--paper);line-height:1.3}
.cta-band p{margin:10px 0 0;font-size:14.5px;color:rgba(246,243,236,.72);max-width:36em;line-height:1.8}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--paper);margin-top:72px;padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:40px}
@media (min-width:900px){.footer-grid{grid-template-columns:1.3fr .7fr 1.2fr;gap:48px}}
.footer-brand .brand{margin-bottom:18px}
.footer-brand .brand-mark{background:var(--jade)}
.footer-brand .brand-text{color:var(--paper)}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(246,243,236,.68);max-width:30em;margin:0}
.footer-col h3{font-size:14px;letter-spacing:.1em;color:rgba(246,243,236,.6);font-weight:600;margin-bottom:18px}
.footer-links{display:grid;gap:12px}
.footer-links a{font-size:15px;color:rgba(246,243,236,.86);width:fit-content;border-bottom:1px solid transparent;padding-bottom:2px;transition:.24s var(--ease)}
.footer-links a:hover{color:var(--lime);border-bottom-color:var(--lime)}
.footer-form{display:grid;grid-template-columns:1fr;gap:14px}
@media (min-width:520px){.footer-form{grid-template-columns:1fr 1fr}}
.footer-form .field label{color:rgba(246,243,236,.66)}
.footer-form .field.full{grid-column:1/-1}
.form-note{grid-column:1/-1;font-size:12.5px;line-height:1.7;color:rgba(246,243,236,.5);margin:0}
.form-tip{grid-column:1/-1;font-size:13px;color:var(--lime);min-height:18px;margin:0}
.form-tip.is-error{color:#F0B6A6}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:rgba(246,243,236,.55);line-height:1.7;
}

/* ============ 滚动入场 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media img{aspect-ratio:16/10;object-position:center 40%}
  .hero-sub{max-width:none}
}
@media (max-width:640px){
  .site-header{top:10px;padding:0 12px}
  .nav-pill{height:62px;padding:0 10px 0 14px;gap:10px}
  .brand-text{font-size:15px}
  .nav-actions .btn-sm{display:none}
  .section{padding:48px 0}
  .svc-card{padding:24px 20px}
  .faq-q{font-size:17px;padding:20px 6px 20px 18px}
  .faq-a-inner{padding-left:18px;font-size:15px}
  .cta-band{padding:28px 22px}
  .related-card img{width:72px;height:58px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}