/* roulang page: index */
:root{
  --ink:#18211D;
  --ink-2:#66766D;
  --paper:#F5F0E7;
  --surface:#FFFCF6;
  --pine:#173D33;
  --pine-2:#1E4A3E;
  --celadon:#A7C4B4;
  --moss:#DCE7DF;
  --apricot:#E9825B;
  --honey:#F4B183;
  --line:#D8DFD7;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(24,33,29,.05),0 10px 28px rgba(24,33,29,.06);
  --shadow-2:0 2px 6px rgba(24,33,29,.07),0 18px 42px rgba(24,33,29,.10);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
a{color:var(--pine);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--apricot);}
img{max-width:100%;display:block;}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);margin:0;font-weight:600;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--apricot);outline-offset:3px;border-radius:4px;}

/* ---------- 左侧应用侧栏 ---------- */
.side-shell{
  position:fixed;
  top:0;left:0;bottom:0;
  width:248px;
  background:var(--pine);
  color:#EFEAE0;
  padding:28px 20px 22px;
  display:flex;
  flex-direction:column;
  z-index:60;
  border-right:1px solid rgba(255,255,255,.06);
}
.brand{
  display:flex;align-items:center;gap:10px;
  color:#FFFCF6;
  margin-bottom:34px;
}
.brand:hover{color:#FFFCF6;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;
  border:1px solid rgba(233,130,91,.75);
  border-radius:11px;
  display:grid;place-items:center;
  background:rgba(233,130,91,.14);
}
.brand-mark svg{width:19px;height:19px;}
.brand-text{
  font-family:var(--serif);
  font-size:17px;
  letter-spacing:.02em;
  line-height:1.2;
  font-weight:600;
}
.brand-text small{
  display:block;
  font-family:var(--sans);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--celadon);
  font-weight:400;
  margin-top:3px;
  text-transform:uppercase;
}
.side-nav{display:flex;flex-direction:column;gap:2px;}
.side-nav__label{
  font-size:11px;letter-spacing:.2em;color:rgba(220,231,223,.55);
  padding:0 10px;margin-bottom:10px;
}
.side-nav a{
  display:flex;align-items:baseline;gap:10px;
  padding:11px 10px;
  color:rgba(245,240,231,.82);
  font-size:14.5px;
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.side-nav a .idx{
  font-family:var(--mono);
  font-size:11px;
  color:rgba(167,196,180,.7);
  letter-spacing:.04em;
  font-variant-numeric:tabular-nums;
}
.side-nav a:hover{background:rgba(255,252,246,.08);color:#FFFCF6;}
.side-nav a.is-active{
  background:rgba(255,252,246,.10);
  color:#FFFCF6;
  border-left-color:var(--apricot);
}
.side-nav a.is-active .idx{color:var(--honey);}
.side-foot{
  margin-top:auto;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.10);
}
.side-foot p{
  font-size:12px;color:rgba(220,231,223,.62);line-height:1.7;margin-bottom:12px;
}
.side-foot a.mini-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--honey);
  border-bottom:1px solid rgba(244,177,131,.45);
  padding-bottom:2px;
}
.side-foot a.mini-link:hover{color:#FFFCF6;border-color:#FFFCF6;}

/* ---------- 移动端顶栏与抽屉 ---------- */
.topbar{
  display:none;
  position:sticky;top:0;z-index:70;
  background:var(--pine);
  color:#FFFCF6;
  padding:12px 20px;
  align-items:center;justify-content:space-between;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.topbar .brand{margin-bottom:0;gap:8px;}
.topbar .brand-mark{width:30px;height:30px;flex:0 0 30px;border-radius:9px;}
.topbar .brand-text{font-size:15.5px;}
.topbar .brand-text small{display:none;}
.menu-toggle{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;
  border:1px solid rgba(255,252,246,.30);
  color:#FFFCF6;
  border-radius:8px;
  padding:9px 14px;
  font-size:13.5px;
  min-height:44px;
  transition:background .18s ease,border-color .18s ease;
}
.menu-toggle:hover{background:rgba(255,252,246,.12);border-color:rgba(255,252,246,.5);}
.drawer{
  display:none;
  position:fixed;inset:0;
  background:rgba(15,32,27,.55);
  z-index:80;
  opacity:0;pointer-events:none;
  transition:opacity .2s ease;
}
.drawer.is-open{opacity:1;pointer-events:auto;}
.drawer__panel{
  width:min(320px,86vw);
  height:100%;
  background:var(--pine);
  padding:26px 20px;
  overflow-y:auto;
  transform:translateX(-12px);
  transition:transform .22s ease;
}
.drawer.is-open .drawer__panel{transform:translateX(0);}
.drawer__close{
  background:transparent;border:1px solid rgba(255,252,246,.28);
  color:#FFFCF6;border-radius:8px;padding:8px 13px;font-size:13px;
  min-height:44px;margin-bottom:20px;
}
.drawer .side-nav a{padding:13px 10px;font-size:15px;}

/* ---------- 主内容 ---------- */
.shell-main{
  margin-left:248px;
  padding:48px 40px 0;
}
.wrap{max-width:1180px;margin:0 auto;}
.section{padding:0 0 84px;}
.section--tight{padding-bottom:64px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12px;letter-spacing:.18em;
  color:var(--ink-2);
  text-transform:uppercase;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";width:24px;height:2px;background:var(--apricot);display:block;
}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:32px;
}
.section-head h2{font-size:clamp(26px,3vw,36px);line-height:1.25;}
.section-head p{color:var(--ink-2);font-size:14.5px;max-width:420px;margin-top:8px;}
.section-head .head-link{
  font-size:13.5px;color:var(--pine);
  border-bottom:1px solid var(--line);padding-bottom:3px;white-space:nowrap;
}
.section-head .head-link:hover{color:var(--apricot);border-color:var(--apricot);}

/* ---------- Hero ---------- */
.hero{padding-bottom:72px;}
.hero__grid{align-items:center;}
.hero__title{
  font-size:clamp(34px,4.4vw,58px);
  line-height:1.12;
  letter-spacing:-.01em;
  margin-bottom:20px;
}
.hero__title em{
  font-style:normal;
  color:var(--pine);
  background:linear-gradient(transparent 62%,rgba(244,177,131,.42) 62%);
  padding:0 2px;
}
.hero__sub{
  font-size:17px;color:var(--ink-2);max-width:520px;margin-bottom:28px;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;
  padding:0 22px;
  border-radius:var(--radius-sm);
  font-size:15px;font-weight:500;
  border:1px solid transparent;
  transition:background .18s ease,color .18s ease,transform .18s ease,border-color .18s ease;
}
.btn--primary{background:var(--pine);color:#FFFCF6;}
.btn--primary:hover{background:var(--pine-2);color:#FFFCF6;transform:translateY(-1px);}
.btn--ghost{background:transparent;color:var(--pine);border-color:var(--pine);}
.btn--ghost:hover{background:var(--moss);color:var(--pine);transform:translateY(-1px);}
.btn--light{background:#FFFCF6;color:var(--pine);}
.btn--light:hover{background:var(--moss);color:var(--pine);transform:translateY(-1px);}
.hero__tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;color:var(--ink-2);
  background:rgba(255,252,246,.75);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 13px;
}
.tag::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--celadon);
}
.hero__figure{position:relative;}
.hero__figure-frame{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  background:var(--pine);
  aspect-ratio:5/6;
}
.hero__figure-frame img{
  width:100%;height:100%;object-fit:cover;
  opacity:.92;
}
.hero__figure-frame::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,61,51,.05) 0%,rgba(23,61,51,.62) 100%);
}
.hero__figure-caption{
  position:absolute;left:20px;right:20px;bottom:20px;
  color:#FFFCF6;z-index:2;
}
.hero__figure-caption span{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;letter-spacing:.14em;
  background:rgba(23,61,51,.6);
  border:1px solid rgba(255,252,246,.28);
  border-radius:999px;
  padding:5px 12px;margin-bottom:12px;
}
.hero__figure-caption h3{
  color:#FFFCF6;font-size:19px;line-height:1.4;margin-bottom:6px;
}
.hero__figure-caption p{font-size:13px;color:rgba(255,252,246,.78);}
.live-dot{
  width:7px;height:7px;border-radius:50%;background:var(--apricot);
  display:inline-block;
  animation:pulse 1.8s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.4;transform:scale(.82);}}

/* ---------- 直播预告流 ---------- */
.live-block{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px;
  box-shadow:var(--shadow-1);
}
.live-media{
  border-radius:var(--radius-md);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/9;
  position:relative;
  background:var(--pine);
}
.live-media img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease;}
.live-media:hover img{transform:scale(1.03);}
.live-media__badge{
  position:absolute;top:14px;left:14px;
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(255,252,246,.94);
  color:var(--pine);
  font-size:12px;
  padding:5px 12px;border-radius:999px;
  border:1px solid rgba(23,61,51,.14);
}
.live-media__meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:14px;font-size:13px;color:var(--ink-2);
  padding-bottom:2px;
  border-bottom:1px solid var(--line);
  padding:12px 2px;
}
.live-media__meta strong{color:var(--ink);font-weight:500;}
.countdown{
  display:grid;grid-template-columns:repeat(4,1fr);gap:10px;
  margin-bottom:24px;
}
.countdown__cell{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:12px 6px;
  text-align:center;
}
.countdown__num{
  display:block;
  font-family:var(--mono);
  font-size:clamp(20px,2.4vw,27px);
  font-weight:700;
  color:var(--pine);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.countdown__label{
  display:block;font-size:11.5px;color:var(--ink-2);margin-top:4px;letter-spacing:.08em;
}
.point-list{margin-bottom:24px;}
.point-list li{
  display:grid;grid-template-columns:34px 1fr;
  gap:12px;
  padding:12px 0;
  border-bottom:1px dashed var(--line);
}
.point-list li:first-child{padding-top:0;}
.point-list li:last-child{border-bottom:0;padding-bottom:0;}
.point-list .num{
  font-family:var(--mono);font-size:12px;color:var(--apricot);padding-top:3px;
  font-variant-numeric:tabular-nums;
}
.point-list h4{font-size:15.5px;line-height:1.5;margin-bottom:2px;font-family:var(--sans);font-weight:500;}
.point-list p{font-size:13px;color:var(--ink-2);line-height:1.65;}
.subscribe{
  display:flex;gap:10px;flex-wrap:wrap;
}
.subscribe input[type="email"]{
  flex:1 1 200px;
  min-height:46px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:var(--surface);
  color:var(--ink);
  font-size:14.5px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.subscribe input[type="email"]::placeholder{color:#9AA8A0;}
.subscribe input[type="email"]:focus{
  outline:none;
  border-color:var(--apricot);
  box-shadow:0 0 0 3px rgba(233,130,91,.18);
}
.subscribe-note{font-size:12.5px;color:var(--ink-2);margin-top:10px;min-height:20px;}
.replay-strip{
  display:flex;gap:14px;
  overflow-x:auto;
  padding:22px 2px 4px;
  border-top:1px solid var(--line);
  margin-top:24px;
  scrollbar-width:thin;
}
.replay-strip a{
  flex:0 0 240px;
  display:flex;gap:12px;align-items:center;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:10px;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.replay-strip a:hover{
  transform:translateY(-2px);
  border-color:var(--celadon);
  box-shadow:var(--shadow-1);
  color:var(--ink);
}
.replay-strip .thumb{
  width:74px;height:52px;flex:0 0 74px;
  border-radius:8px;overflow:hidden;background:var(--pine);
}
.replay-strip .thumb img{width:100%;height:100%;object-fit:cover;}
.replay-strip .t{font-size:13.5px;line-height:1.5;}
.replay-strip .m{font-size:11.5px;color:var(--ink-2);margin-top:4px;}

/* ---------- 栏目索引带 ---------- */
.index-band{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.index-band a{
  display:flex;align-items:center;gap:18px;
  padding:20px 6px;
  border-bottom:1px solid var(--line);
  color:var(--ink);
  transition:padding-left .18s ease,background .18s ease;
}
.index-band a:last-child{border-bottom:0;}
.index-band a:hover{background:rgba(255,252,246,.7);padding-left:14px;color:var(--ink);}
.index-band .num{
  font-family:var(--mono);font-size:12px;color:var(--ink-2);flex:0 0 28px;
  font-variant-numeric:tabular-nums;
}
.index-band .name{
  font-family:var(--serif);font-size:17px;flex:0 0 auto;
}
.index-band a.is-current .name{color:var(--pine);}
.index-band a.is-current .num{color:var(--apricot);}
.index-band .desc{
  font-size:13px;color:var(--ink-2);flex:1 1 auto;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.index-band .arrow{
  flex:0 0 auto;color:var(--celadon);font-size:16px;
}
.index-band a.is-current .arrow{color:var(--apricot);}
.index-band a.is-current{position:relative;}
.index-band a.is-current::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;background:var(--apricot);border-radius:2px;
}

/* ---------- CMS 列表 ---------- */
.cms-grid{margin-bottom:0;}
.lead-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  height:100%;
  display:flex;flex-direction:column;
}
.lead-card__media{
  display:block;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--pine);
}
.lead-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease;}
.lead-card:hover .lead-card__media img{transform:scale(1.03);}
.lead-card__body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.badge{
  display:inline-flex;align-items:center;
  align-self:flex-start;
  background:var(--moss);
  color:var(--pine);
  font-size:12px;
  padding:4px 12px;
  border-radius:999px;
  line-height:1.6;
}
.lead-card h3{font-size:clamp(19px,2vw,23px);line-height:1.45;}
.lead-card h3 a{color:var(--ink);}
.lead-card h3 a:hover{color:var(--pine);}
.lead-card p{font-size:14.5px;color:var(--ink-2);line-height:1.75;}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:12.5px;color:var(--ink-2);margin-top:auto;padding-top:10px;
  border-top:1px solid var(--line);
}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:var(--celadon);}
.meta-row .read{
  margin-left:auto;color:var(--pine);
  border-bottom:1px solid var(--line);padding-bottom:2px;
}
.meta-row .read:hover{color:var(--apricot);border-color:var(--apricot);}
.mini-list{display:flex;flex-direction:column;gap:14px;height:100%;}
.mini-card{
  display:block;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:16px 18px;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.mini-card:hover{
  transform:translateY(-2px);
  border-color:var(--celadon);
  box-shadow:var(--shadow-1);
  color:var(--ink);
}
.mini-card h4{
  font-family:var(--sans);
  font-size:15px;font-weight:500;line-height:1.55;
  margin-bottom:6px;color:var(--ink);
}
.mini-card p{font-size:13px;color:var(--ink-2);line-height:1.65;margin-bottom:9px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-card .meta-row{padding-top:0;border-top:0;font-size:12px;}
.empty-state{
  background:var(--surface);
  border:1px dashed var(--celadon);
  border-radius:var(--radius-lg);
  padding:44px 24px;
  text-align:center;
}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:14px;}
.empty-state a{
  color:var(--pine);font-size:14px;
  border-bottom:1px solid var(--apricot);padding-bottom:2px;
}

/* ---------- 图文说明区 ---------- */
.feature{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  display:flex;flex-direction:column;height:100%;
  box-shadow:var(--shadow-1);
}
.feature__media{aspect-ratio:4/3;overflow:hidden;background:var(--pine);}
.feature__media img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease;}
.feature:hover .feature__media img{transform:scale(1.03);}
.feature__body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.feature__body h3{font-size:20px;line-height:1.45;}
.feature__body p{font-size:14.5px;color:var(--ink-2);}
.feature__body ul{margin-top:6px;display:flex;flex-direction:column;gap:7px;}
.feature__body ul li{
  font-size:13.5px;color:var(--ink-2);padding-left:16px;position:relative;
}
.feature__body ul li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:1.5px;background:var(--celadon);
}
.slim-card{
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:20px 22px;
  background:rgba(255,252,246,.7);
  display:flex;flex-direction:column;gap:8px;
  transition:border-color .18s ease,background .18s ease;
}
.slim-card:hover{border-color:var(--celadon);background:var(--surface);}
.slim-card h4{font-family:var(--sans);font-size:16px;font-weight:500;}
.slim-card p{font-size:13.5px;color:var(--ink-2);}
.slim-card .kv{
  display:flex;align-items:baseline;gap:8px;font-size:12.5px;color:var(--ink-2);
  padding-top:8px;border-top:1px solid var(--line);
}
.slim-card .kv strong{font-family:var(--mono);color:var(--pine);font-size:14px;font-variant-numeric:tabular-nums;}

/* ---------- 流程时间线 ---------- */
.timeline{
  border-left:1px solid var(--line);
  padding-left:0;margin-left:6px;
}
.timeline li{
  position:relative;
  padding:0 0 26px 28px;
}
.timeline li:last-child{padding-bottom:0;}
.timeline li::before{
  content:"";position:absolute;left:-4.5px;top:8px;
  width:8px;height:8px;border-radius:50%;
  background:var(--surface);border:1.5px solid var(--celadon);
}
.timeline li:first-child::before{background:var(--apricot);border-color:var(--apricot);}
.timeline .step{
  font-family:var(--mono);font-size:11.5px;color:var(--apricot);letter-spacing:.1em;
}
.timeline h4{font-family:var(--sans);font-size:16px;font-weight:500;margin:4px 0 4px;}
.timeline p{font-size:13.5px;color:var(--ink-2);}
.stat-panel{
  background:var(--pine);
  color:#EFEAE0;
  border-radius:var(--radius-lg);
  padding:26px 24px;
  height:100%;
}
.stat-panel .eyebrow{color:var(--celadon);}
.stat-panel .eyebrow::before{background:var(--honey);}
.stat-panel h3{color:#FFFCF6;font-size:21px;line-height:1.45;margin-bottom:18px;}
.stat-panel ul{display:flex;flex-direction:column;gap:16px;}
.stat-panel li{
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
  padding-bottom:14px;border-bottom:1px solid rgba(255,252,246,.14);
}
.stat-panel li:last-child{border-bottom:0;padding-bottom:0;}
.stat-panel .k{font-size:13.5px;color:rgba(245,240,231,.78);}
.stat-panel .v{
  font-family:var(--mono);font-size:15px;color:var(--honey);font-variant-numeric:tabular-nums;
}

/* ---------- FAQ ---------- */
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .18s ease;
}
.faq-item[open]{border-color:var(--celadon);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 22px;
  font-size:16px;
  font-weight:500;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:44px;
  color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  font-family:var(--mono);
  font-size:19px;
  color:var(--apricot);
  line-height:1;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(0deg);}
.faq-item .faq-body{
  padding:0 22px 20px;
  font-size:15px;color:var(--ink-2);line-height:1.75;
}
.faq-aside{
  border-left:2px solid var(--apricot);
  padding-left:18px;
}
.faq-aside h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;margin-bottom:12px;}
.faq-aside p{font-size:14.5px;color:var(--ink-2);margin-bottom:16px;}
.faq-aside a{
  font-size:14px;color:var(--pine);
  border-bottom:1px solid var(--apricot);padding-bottom:2px;
}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--pine);
  border-radius:var(--radius-lg);
  padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;right:-60px;top:-60px;
  width:220px;height:220px;border-radius:50%;
  border:1px solid rgba(255,252,246,.14);
}
.cta-band h2{
  color:#FFFCF6;font-size:clamp(22px,2.8vw,30px);line-height:1.35;position:relative;z-index:1;
}
.cta-band .cta-actions{position:relative;z-index:1;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:84px;
  border-top:1px solid var(--line);
  padding:44px 0 34px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:36px;}
.footer-brand .brand{color:var(--pine);margin-bottom:14px;}
.footer-brand .brand-text{color:var(--pine);}
.footer-brand p{font-size:13.5px;color:var(--ink-2);line-height:1.8;max-width:320px;}
.footer-col h3{
  font-family:var(--sans);font-size:13px;letter-spacing:.14em;
  color:var(--ink-2);margin-bottom:14px;font-weight:500;
}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col a{font-size:13.5px;color:var(--ink);}
.footer-col a:hover{color:var(--apricot);text-decoration:underline;text-underline-offset:3px;}
.footer-col .contact-line{font-size:13.5px;color:var(--ink-2);line-height:1.9;}
.footer-bottom{
  margin-top:34px;padding-top:18px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:var(--ink-2);
}

/* ---------- 动效 ---------- */
.fade-up{
  animation:fadeUp .22s ease both;
}
@keyframes fadeUp{
  from{opacity:0;transform:translateY(12px);}
  to{opacity:1;transform:translateY(0);}
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1279px){
  .shell-main{padding:40px 32px 0;}
  .section{padding-bottom:72px;}
}
@media screen and (max-width:1023px){
  .side-shell{display:none;}
  .topbar{display:flex;}
  .drawer{display:block;}
  .shell-main{margin-left:0;padding:32px 24px 0;}
  .hero__figure-frame{aspect-ratio:16/10;margin-top:28px;}
  .section{padding-bottom:60px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
  .index-band .desc{display:none;}
}
@media screen and (max-width:767px){
  .shell-main{padding:26px 20px 0;}
  .hero__title{font-size:clamp(30px,7.6vw,38px);}
  .hero__sub{font-size:15.5px;}
  .hero__actions{gap:10px;}
  .hero__actions .btn{flex:1 1 100%;}
  .live-block{padding:18px;}
  .countdown{grid-template-columns:repeat(2,1fr);}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .section-head p{max-width:none;}
  .cta-band{padding:28px 22px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:34px 0 26px;}
  .subscribe input[type="email"]{flex:1 1 100%;}
  .subscribe .btn{width:100%;}
  .replay-strip a{flex:0 0 210px;}
  .faq-item summary{font-size:15.5px;padding:16px 18px;}
  .faq-item .faq-body{padding:0 18px 18px;font-size:14.5px;}
  .mini-card{padding:14px 16px;}
}
@media screen and (max-width:519px){
  .index-band .name{font-size:16px;}
  .lead-card__body{padding:18px;}
  .feature__body{padding:18px;}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
  .live-dot{animation:none !important;}
}

/* roulang page: category1 */
:root{
  --ink-green:#173D33;
  --deep-green:#1E4A3E;
  --celadon:#A7C4B4;
  --moss:#DCE7DF;
  --apricot:#E9825B;
  --honey:#F4B183;
  --paper:#F5F0E7;
  --surface:#FFFCF6;
  --ink:#18211D;
  --muted:#66766D;
  --line:#D8DFD7;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-soft:0 12px 28px rgba(24,33,29,.07);
  --shadow-card:0 6px 18px rgba(24,33,29,.05);
  --space-block:88px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"SFMono-Regular",ui-monospace,"Roboto Mono",Menlo,Consolas,monospace;
}

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

html{scroll-behavior:smooth;}

body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.78;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}

a{color:var(--deep-green);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--apricot);}
img{max-width:100%;display:block;height:auto;}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink-green);margin:0;font-weight:600;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}

.wrap{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 32px;
}

/* ============ 布局外壳 ============ */
.side-bar{
  position:fixed;
  inset:0 auto 0 0;
  width:248px;
  padding:30px 20px 24px;
  background:var(--ink-green);
  color:#EAE4D6;
  display:flex;
  flex-direction:column;
  gap:26px;
  border-right:1px solid rgba(245,240,231,.08);
  z-index:70;
  overflow-y:auto;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#F7F2E7;
  font-family:var(--serif);
  font-size:18px;
  font-weight:700;
  letter-spacing:.01em;
}
.brand:hover{color:#F7F2E7;}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--surface);
  border-radius:9px;
  flex:0 0 auto;
}
.brand-mark svg{width:22px;height:22px;display:block;}
.brand-text{white-space:nowrap;}

.side-nav{display:flex;flex-direction:column;gap:2px;}
.side-nav__label{
  font-size:11px;
  letter-spacing:.22em;
  color:rgba(234,228,214,.45);
  text-transform:uppercase;
  margin:0 0 12px 14px;
  display:block;
}
.side-nav a{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  padding:11px 14px;
  border-radius:9px;
  font-size:15px;
  color:rgba(234,228,214,.78);
  line-height:1.4;
  transition:background .18s ease,color .18s ease;
}
.side-nav a .idx{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.08em;
  color:rgba(234,228,214,.4);
  font-variant-numeric:tabular-nums;
}
.side-nav a:hover{background:rgba(245,240,231,.08);color:#F7F2E7;}
.side-nav a.is-active{
  background:rgba(245,240,231,.1);
  color:#FFFCF6;
}
.side-nav a.is-active::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:3px;height:20px;
  border-radius:2px;
  background:var(--apricot);
}
.side-nav a.is-active .idx{color:var(--honey);}
.side-nav a:focus-visible{
  outline:2px solid var(--apricot);
  outline-offset:2px;
}

.side-foot{
  margin-top:auto;
  padding:16px;
  border-radius:var(--radius-md);
  background:rgba(245,240,231,.06);
  border:1px solid rgba(245,240,231,.12);
}
.side-foot h2{
  font-family:var(--sans);
  font-size:13px;
  color:#F1EADA;
  margin:0 0 6px;
  letter-spacing:.04em;
}
.side-foot p{
  font-size:12px;
  line-height:1.7;
  color:rgba(234,228,214,.6);
  margin:0 0 12px;
}
.side-foot a{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  color:var(--honey);
  border-bottom:1px solid rgba(244,177,131,.4);
  padding-bottom:2px;
}
.side-foot a:hover{color:#FFD9BE;border-bottom-color:#FFD9BE;}

.app-main{margin-left:248px;min-height:100vh;display:flex;flex-direction:column;}

.mobile-bar{
  display:none;
  position:sticky;
  top:0;
  z-index:65;
  background:rgba(255,252,246,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.mobile-bar__inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:14px;padding:12px 20px;
}
.mobile-bar .brand{color:var(--ink-green);font-size:16px;}
.mobile-bar .brand-mark{background:var(--moss);width:30px;height:30px;}
.mobile-bar .brand-mark svg{width:20px;height:20px;}

.nav-toggle{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:9px;
  background:var(--surface);
  color:var(--ink-green);
  font-size:13.5px;
  cursor:pointer;
  transition:background .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:var(--moss);border-color:var(--celadon);}
.nav-toggle:focus-visible{outline:2px solid var(--apricot);outline-offset:2px;}
.nav-toggle .bars{display:inline-flex;flex-direction:column;gap:3px;}
.nav-toggle .bars i{display:block;width:15px;height:1.5px;background:var(--ink-green);border-radius:2px;}

.nav-scrim{
  display:none;
  position:fixed;inset:0;
  background:rgba(23,61,51,.5);
  z-index:68;
  opacity:0;
  transition:opacity .2s ease;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:500;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .16s ease;
}
.btn:focus-visible{outline:2px solid var(--apricot);outline-offset:3px;}
.btn--primary{background:var(--ink-green);color:#FFFCF6;}
.btn--primary:hover{background:var(--deep-green);color:#FFFCF6;transform:translateY(-1px);}
.btn--ghost{background:transparent;border-color:var(--ink-green);color:var(--ink-green);}
.btn--ghost:hover{background:var(--moss);color:var(--ink-green);}
.btn--accent{background:var(--apricot);color:#2A1206;}
.btn--accent:hover{background:#F0996F;color:#2A1206;transform:translateY(-1px);}
.btn--ghost-light{
  background:transparent;
  border-color:rgba(245,240,231,.42);
  color:#F7F2E7;
}
.btn--ghost-light:hover{background:rgba(245,240,231,.12);border-color:rgba(245,240,231,.7);color:#FFFCF6;}

/* ============ Hero ============ */
.hero{
  position:relative;
  overflow:hidden;
  background:var(--ink-green);
  color:#EFE9DA;
  padding:40px 0 108px;
}
.hero__bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.24;
}
.hero__veil{
  position:absolute;inset:0;
  background:radial-gradient(120% 90% at 18% 8%,rgba(23,61,51,.35) 0%,rgba(23,61,51,.92) 62%,#123128 100%);
}
.hero .wrap{position:relative;z-index:2;}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(239,233,218,.6);
  margin-bottom:34px;
}
.breadcrumb a{color:rgba(239,233,218,.72);}
.breadcrumb a:hover{color:#FFFCF6;text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{color:rgba(239,233,218,.34);}
.breadcrumb .current{color:#FFFCF6;}

.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
  gap:56px;
  align-items:center;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(244,177,131,.4);
  background:rgba(233,130,91,.14);
  color:var(--honey);
  font-size:12.5px;
  letter-spacing:.08em;
  margin-bottom:22px;
}
.eyebrow .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--apricot);
  animation:breathe 1.8s ease-in-out infinite;
}
@keyframes breathe{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.45;transform:scale(.82);}
}

.hero h1{
  font-size:clamp(34px,4.3vw,58px);
  line-height:1.12;
  color:#FFFCF6;
  margin:0 0 20px;
  letter-spacing:.005em;
  animation:rise .26s ease-out both;
}
@keyframes rise{
  from{opacity:0;transform:translateY(12px);}
  to{opacity:1;transform:translateY(0);}
}

.hero-lead{
  font-size:17px;
  line-height:1.8;
  color:rgba(239,233,218,.82);
  max-width:520px;
  margin-bottom:30px;
}

.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}

.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags span{
  font-size:12.5px;
  color:rgba(239,233,218,.76);
  padding:6px 13px;
  border:1px solid rgba(239,233,218,.22);
  border-radius:999px;
  line-height:1.4;
}

.hero-media{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid rgba(245,240,231,.22);
  background:var(--deep-green);
  box-shadow:0 24px 48px rgba(10,28,23,.4);
}
.hero-media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .5s ease;
}
.hero-media:hover img{transform:scale(1.03);}
.hero-media .badge-float{
  position:absolute;
  top:14px;left:14px;
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;
  border-radius:999px;
  background:rgba(23,61,51,.86);
  color:#FFE2D2;
  font-size:12px;
  letter-spacing:.06em;
  backdrop-filter:blur(4px);
  border:1px solid rgba(244,177,131,.35);
}
.hero-media .badge-float i{
  width:6px;height:6px;border-radius:50%;
  background:var(--apricot);
  animation:breathe 1.8s ease-in-out infinite;
}
.hero-media figcaption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:18px 18px 16px;
  background:linear-gradient(to top,rgba(18,49,40,.92),rgba(18,49,40,0));
  color:#F3EDDF;
  font-size:13.5px;
  line-height:1.6;
}

/* ============ 倒计时 ============ */
.countdown-wrap{
  position:relative;
  z-index:10;
  margin-top:-64px;
}
.countdown-band{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:32px;
  align-items:center;
  padding:28px 32px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-soft);
}
.countdown-band h2{
  font-size:22px;
  line-height:1.35;
  margin:0 0 8px;
}
.countdown-band .cd-note{
  font-size:13.5px;
  color:var(--muted);
  margin:0;
  line-height:1.7;
}
.cd-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
.cd-cell{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:12px;
  padding:12px 6px 10px;
  text-align:center;
}
.cd-num{
  display:block;
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;
  line-height:1.1;
  color:var(--deep-green);
}
.cd-lab{
  display:block;
  margin-top:4px;
  font-size:11.5px;
  letter-spacing:.1em;
  color:var(--muted);
}

/* ============ 通用板块 ============ */
.section{padding:var(--space-block) 0;}
.section--tight{padding:64px 0;}
.section-head{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,.85fr);
  gap:40px;
  align-items:end;
  margin-bottom:44px;
}
.section-head h2{
  font-size:clamp(26px,3vw,36px);
  line-height:1.25;
  margin:0;
}
.section-head p{
  font-size:15.5px;
  color:var(--muted);
  line-height:1.8;
  margin:0;
}
.kicker{
  display:block;
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:.2em;
  color:var(--apricot);
  margin-bottom:12px;
  text-transform:uppercase;
}

/* ============ 时间轴 ============ */
.timeline{
  border-top:1px solid var(--line);
}
.tl-item{
  display:grid;
  grid-template-columns:190px minmax(0,1fr);
  gap:32px;
  padding:26px 20px;
  border-bottom:1px solid var(--line);
  border-radius:var(--radius-sm);
  transition:background .18s ease;
}
.tl-item:hover{background:rgba(220,231,223,.4);}
.tl-time{
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:15px;
  color:var(--deep-green);
  letter-spacing:.02em;
  padding-top:3px;
}
.tl-time span{
  display:block;
  font-family:var(--sans);
  font-size:12.5px;
  color:var(--muted);
  letter-spacing:0;
  margin-top:6px;
}
.tl-body h3{
  font-size:20px;
  line-height:1.45;
  margin:0 0 8px;
}
.tl-body p{
  font-size:15px;
  color:var(--muted);
  line-height:1.75;
  margin:0 0 14px;
  max-width:640px;
}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 11px;
  border-radius:999px;
  background:var(--moss);
  color:var(--deep-green);
  font-size:12px;
  line-height:1.6;
  letter-spacing:.02em;
}
.tag--live{background:rgba(233,130,91,.16);color:#B24F2C;}

/* ============ 看点卡 ============ */
.focus-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:44px;
  align-items:center;
}
.focus-media{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--deep-green);
  box-shadow:var(--shadow-card);
}
.focus-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .4s ease;
}
.focus-media:hover img{transform:scale(1.03);}

.focus-list{display:grid;gap:2px;}
.focus-item{
  display:grid;
  grid-template-columns:56px minmax(0,1fr);
  gap:18px;
  padding:20px 4px;
  border-bottom:1px solid var(--line);
}
.focus-item:last-child{border-bottom:0;}
.focus-item .num{
  font-family:var(--mono);
  font-size:15px;
  color:var(--apricot);
  font-variant-numeric:tabular-nums;
  letter-spacing:.06em;
  padding-top:2px;
}
.focus-item h3{
  font-size:18.5px;
  line-height:1.5;
  margin:0 0 6px;
}
.focus-item p{
  font-size:14.5px;
  color:var(--muted);
  line-height:1.72;
  margin:0;
}

/* ============ 订阅 ============ */
.subscribe{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:40px 44px;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:40px;
  align-items:center;
  box-shadow:var(--shadow-card);
}
.subscribe h2{
  font-size:clamp(24px,2.6vw,30px);
  line-height:1.35;
  margin:0 0 10px;
}
.subscribe p{
  font-size:15px;
  color:var(--muted);
  line-height:1.78;
  margin:0;
}
.sub-form{display:flex;flex-wrap:wrap;gap:12px;}
.sub-form input[type="email"]{
  flex:1 1 220px;
  min-height:46px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:var(--paper);
  font-size:15px;
  color:var(--ink);
  font-family:var(--sans);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
  margin:0;
}
.sub-form input[type="email"]::placeholder{color:#9AA79F;}
.sub-form input[type="email"]:focus{
  outline:none;
  background:var(--surface);
  border-color:var(--apricot);
  box-shadow:0 0 0 3px rgba(233,130,91,.18);
}
.sub-hint{
  flex:1 1 100%;
  font-size:12.5px;
  color:var(--muted);
  line-height:1.7;
  margin:2px 0 0;
}

/* ============ FAQ ============ */
.faq-grid{
  display:grid;
  grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);
  gap:52px;
  align-items:start;
}
.faq-intro h2{
  font-size:clamp(26px,3vw,34px);
  line-height:1.3;
  margin:0 0 14px;
}
.faq-intro p{
  font-size:15.5px;
  color:var(--muted);
  line-height:1.8;
  margin:0;
}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:20px;
  padding:20px 2px;
  background:none;
  border:0;
  text-align:left;
  cursor:pointer;
  font-size:17px;
  font-weight:500;
  color:var(--ink-green);
  line-height:1.6;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--apricot);}
.faq-q:focus-visible{outline:2px solid var(--apricot);outline-offset:3px;border-radius:6px;}
.faq-q .sign{
  flex:0 0 auto;
  position:relative;
  width:18px;height:18px;
  margin-top:4px;
}
.faq-q .sign::before,
.faq-q .sign::after{
  content:"";
  position:absolute;
  background:var(--deep-green);
  transition:transform .2s ease,opacity .2s ease;
}
.faq-q .sign::before{left:0;top:8px;width:18px;height:1.6px;}
.faq-q .sign::after{left:8px;top:0;width:1.6px;height:18px;}
.faq-item.is-open .sign::after{transform:rotate(90deg);opacity:0;}
.faq-a{
  display:none;
  padding:0 2px 22px;
  font-size:15.5px;
  line-height:1.78;
  color:var(--muted);
  max-width:680px;
}
.faq-item.is-open .faq-a{display:block;}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--ink-green);
  color:#F2ECDD;
  border-radius:var(--radius-lg);
  padding:52px 48px;
  display:grid;
  grid-template-columns:minmax(0,1.2fr) auto;
  gap:32px;
  align-items:center;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.16;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{
  color:#FFFCF6;
  font-size:clamp(24px,2.8vw,32px);
  line-height:1.35;
  margin:0 0 8px;
}
.cta-band p{
  font-size:14.5px;
  color:rgba(242,236,221,.72);
  margin:0;
  line-height:1.75;
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:auto;
  background:var(--deep-green);
  color:#DCE7DF;
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.4fr) minmax(0,.8fr) minmax(0,1fr);
  gap:44px;
  padding-bottom:38px;
  border-bottom:1px solid rgba(220,231,223,.16);
}
.footer-brand .brand{color:#FFFCF6;font-size:17px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,252,246,.94);}
.footer-brand p{
  font-size:13.5px;
  line-height:1.8;
  color:rgba(220,231,223,.66);
  margin:0;
  max-width:340px;
}
.footer-col h3{
  font-family:var(--sans);
  font-size:13px;
  letter-spacing:.12em;
  color:#FFFCF6;
  margin:0 0 16px;
  font-weight:500;
}
.footer-col ul{display:grid;gap:9px;}
.footer-col a{
  font-size:13.5px;
  color:rgba(220,231,223,.7);
  transition:color .18s ease;
}
.footer-col a:hover{color:var(--honey);text-decoration:underline;text-underline-offset:3px;}
.footer-col a:focus-visible{outline:2px solid var(--apricot);outline-offset:2px;border-radius:4px;}
.contact-line{
  font-size:13.5px;
  line-height:1.9;
  color:rgba(220,231,223,.66);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:22px;
  font-size:12.5px;
  color:rgba(220,231,223,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero-grid{gap:40px;}
  .focus-grid{gap:34px;}
  .countdown-band{padding:24px 26px;gap:24px;}
}

@media (max-width:1023px){
  .side-bar{
    transform:translateX(-100%);
    transition:transform .26s ease;
    width:270px;
    box-shadow:0 0 40px rgba(10,28,23,.4);
  }
  .side-bar.is-open{transform:translateX(0);}
  .app-main{margin-left:0;}
  .mobile-bar{display:block;}
  .nav-scrim.is-open{display:block;opacity:1;}
  .hero{padding:32px 0 88px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-lead{max-width:none;}
  .countdown-wrap{margin-top:-52px;}
  .countdown-band{grid-template-columns:1fr;gap:22px;}
  .section{padding:64px 0;}
  .section--tight{padding:52px 0;}
  .section-head{grid-template-columns:1fr;gap:16px;margin-bottom:32px;}
  .focus-grid{grid-template-columns:1fr;}
  .tl-item{grid-template-columns:150px minmax(0,1fr);gap:22px;}
  .subscribe{grid-template-columns:1fr;padding:32px 28px;gap:24px;}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;gap:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}

@media (max-width:767px){
  body{font-size:16px;}
  .wrap{padding:0 20px;}
  :root{--space-block:52px;}
  .hero{padding:26px 0 76px;}
  .hero h1{font-size:clamp(30px,8vw,38px);}
  .hero-lead{font-size:15.5px;margin-bottom:24px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 100%;}
  .breadcrumb{font-size:12.5px;margin-bottom:26px;}
  .cd-grid{grid-template-columns:repeat(2,1fr);gap:10px;}
  .countdown-band{padding:22px 20px;border-radius:var(--radius-md);}
  .countdown-band h2{font-size:19px;}
  .tl-item{grid-template-columns:1fr;gap:10px;padding:22px 0;}
  .tl-time{font-size:14px;}
  .tl-time span{display:inline-block;margin-top:0;margin-left:8px;}
  .tl-body h3{font-size:18px;}
  .focus-item{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:18px 0;}
  .focus-item h3{font-size:17px;}
  .subscribe{padding:26px 20px;}
  .sub-form input[type="email"]{flex:1 1 100%;}
  .sub-form .btn{flex:1 1 100%;}
  .faq-q{font-size:16px;padding:18px 0;}
  .cta-band{padding:32px 22px;border-radius:var(--radius-md);}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:28px;}
  .site-footer{padding:44px 0 22px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}

@media (max-width:519px){
  .hero-tags span{font-size:12px;padding:5px 10px;}
  .cd-num{font-size:24px;}
  .section-head h2{font-size:24px;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: article */
:root{
  --ink:#18211D;
  --ink-2:#66766D;
  --pine:#173D33;
  --pine-deep:#1E4A3E;
  --celadon:#A7C4B4;
  --moss:#DCE7DF;
  --apricot:#E9825B;
  --honey:#F4B183;
  --sand:#F5F0E7;
  --surface:#FFFCF6;
  --line:#D8DFD7;
  --cream:#F7F3E9;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 8px 24px rgba(24,33,29,.06);
  --shadow-lg:0 16px 38px rgba(24,33,29,.12);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --side:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--sand);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.8;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
:focus-visible{outline:3px solid var(--apricot);outline-offset:3px;border-radius:6px}
::selection{background:var(--honey);color:var(--ink)}

/* ---------- layout shells ---------- */
.wrap{max-width:1180px;margin:0 auto;padding:0 40px}
.main{margin-left:var(--side);min-height:100vh}
@media (max-width:1279px){.wrap{padding:0 30px}}
@media (max-width:1023px){.main{margin-left:0}}
@media (max-width:767px){.wrap{padding:0 20px}}

/* ---------- read progress ---------- */
.read-progress{position:fixed;top:0;left:var(--side);right:0;height:2px;z-index:90;pointer-events:none}
.read-progress span{display:block;height:100%;width:0;background:var(--apricot);transition:width .1s linear}
@media (max-width:1023px){.read-progress{left:0}}

/* ---------- sidebar ---------- */
.app-side{
  position:fixed;top:0;left:0;bottom:0;width:var(--side);z-index:60;
  display:flex;flex-direction:column;gap:22px;
  padding:30px 20px 24px;background:var(--pine);color:#EFEDE4;
  overflow-y:auto;transition:transform .28s ease;
}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:700;font-size:16.5px;letter-spacing:.01em;color:var(--cream)}
.brand-mark{width:32px;height:32px;flex:0 0 32px;display:grid;place-items:center;background:var(--cream);border-radius:9px}
.brand-mark svg{width:21px;height:21px}
.brand-text{white-space:nowrap}
.side-nav{display:flex;flex-direction:column;gap:2px}
.side-nav__label{font-size:11px;letter-spacing:.22em;color:#8FA598;font-weight:600;margin-bottom:10px;display:block}
.side-nav a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:9px;
  color:#CBD8CE;font-size:14.5px;border-left:2px solid transparent;
  transition:background .18s,color .18s,border-color .18s;
}
.side-nav a .idx{font-size:11.5px;color:#7E9588;font-variant-numeric:tabular-nums;letter-spacing:.04em}
.side-nav a:hover{background:rgba(255,252,246,.08);color:var(--cream)}
.side-nav a.is-active{background:rgba(233,130,91,.14);color:var(--cream);border-left-color:var(--apricot)}
.side-nav a.is-active .idx{color:var(--honey)}
.side-sub{margin-top:auto;border-top:1px solid rgba(255,255,255,.13);padding-top:18px}
.side-sub p{font-size:12.5px;line-height:1.7;color:#9FB3A8;margin:0 0 10px}
.sub-form{display:grid;gap:8px}
.sub-form input{
  height:40px;border-radius:8px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,252,246,.07);color:var(--cream);padding:0 12px;font-size:13.5px;
  transition:border-color .18s,background .18s;
}
.sub-form input::placeholder{color:#8FA598}
.sub-form input:focus{border-color:var(--apricot);background:rgba(255,252,246,.12)}
.btn-sm{min-height:38px;font-size:13.5px;padding:0 16px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:9px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background .18s,color .18s,border-color .18s,transform .18s,box-shadow .18s;
}
.btn-primary{background:var(--pine);color:var(--cream)}
.btn-primary:hover{background:var(--pine-deep);transform:translateY(-2px);box-shadow:0 10px 22px rgba(23,61,51,.22)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--pine);color:var(--pine)}
.btn-ghost:hover{background:var(--moss);transform:translateY(-2px)}

/* ---------- topbar (mobile) ---------- */
.topbar{display:none}
.nav-toggle{width:44px;height:44px;display:grid;place-items:center;gap:4px;border-radius:10px;border:1px solid var(--line);background:var(--surface)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--pine);border-radius:2px;transition:.2s}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(23,61,51,.44);z-index:55;
  opacity:0;pointer-events:none;transition:opacity .25s;
}
.nav-backdrop.is-on{opacity:1;pointer-events:auto}

@media (max-width:1023px){
  .topbar{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:sticky;top:0;z-index:70;height:64px;padding:0 20px;
    background:rgba(245,240,231,.94);backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .brand--top{color:var(--pine)}
  .brand--top .brand-mark{background:var(--pine)}
  .brand--top .brand-mark svg path[stroke]{stroke:var(--cream)}
  .brand--top .brand-mark svg circle{fill:var(--cream)}
  .app-side{transform:translateX(-100%);width:288px;box-shadow:var(--shadow-lg)}
  .app-side.is-open{transform:translateX(0)}
}

/* ---------- article hero ---------- */
.article-hero{position:relative;overflow:hidden;padding:44px 0 44px;border-bottom:1px solid var(--line)}
.article-hero__bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.16;filter:saturate(.65);
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(245,240,231,.55) 0%,rgba(245,240,231,.9) 55%,var(--sand) 100%);
}
.article-hero .wrap{position:relative;z-index:1}

.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2);margin-bottom:22px}
.crumbs a{transition:color .18s}
.crumbs a:hover{color:var(--pine);text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--celadon)}
.crumbs .sep{color:#B7C2B8}
.crumb-current{display:inline-block;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:bottom;color:var(--ink)}

.badge{
  display:inline-flex;align-items:center;gap:6px;height:27px;padding:0 13px;border-radius:999px;
  background:var(--moss);color:var(--pine);font-size:12.5px;font-weight:600;letter-spacing:.04em;
}
.article-hero h1{
  font-family:var(--serif);font-weight:700;line-height:1.22;
  font-size:clamp(28px,3.6vw,46px);
  margin:18px 0 20px;max-width:920px;letter-spacing:.005em;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px 16px;font-size:13.5px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:#C3CEC5}

/* ---------- article layout ---------- */
.article-section{padding:52px 0 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start}
.article-main{min-width:0}

.post-cover{
  margin:0 0 40px;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:16/9;background:var(--moss);
}
.post-cover img{width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .5s ease}
.post-cover img.is-loaded{opacity:1}

/* ---------- article body typography ---------- */
.article-body{font-size:17.5px;line-height:1.85;color:#1E2A24;max-width:760px;overflow-wrap:break-word}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-family:var(--serif);font-size:clamp(23px,2.4vw,30px);font-weight:700;line-height:1.32;
  margin:2.1em 0 .7em;padding-left:14px;border-left:4px solid var(--apricot);color:var(--pine);
}
.article-body h3{
  font-family:var(--serif);font-size:21px;font-weight:700;line-height:1.4;
  margin:1.8em 0 .6em;color:var(--pine-deep);
}
.article-body h4{font-size:18px;font-weight:700;margin:1.6em 0 .5em;color:var(--pine-deep)}
.article-body p{margin:0 0 1.15em}
.article-body a{color:var(--pine-deep);text-decoration:underline;text-decoration-color:var(--celadon);text-underline-offset:4px;transition:color .18s,text-decoration-color .18s}
.article-body a:hover{color:var(--apricot);text-decoration-color:var(--apricot)}
.article-body strong{font-weight:700;color:var(--pine)}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.25em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.42em 0}
.article-body li::marker{color:var(--apricot)}
.article-body blockquote{
  margin:1.6em 0;padding:18px 24px;background:var(--surface);
  border-left:3px solid var(--celadon);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#2C3A33;font-family:var(--serif);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-sm);border:1px solid var(--line);margin:1.6em 0;width:100%}
.article-body figure{margin:1.8em 0}
.article-body figure img{margin:0}
.article-body figcaption{font-size:13.5px;color:var(--ink-2);text-align:center;margin-top:10px;line-height:1.7}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.article-body th{background:var(--moss);color:var(--pine);font-weight:600}
.article-body tbody tr:nth-child(even){background:#FBF7EE}
.article-body code{background:#EDE7DA;color:#2C3A33;padding:2px 6px;border-radius:5px;font-size:.9em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.article-body pre{background:var(--pine);color:#E9F0E9;padding:20px;border-radius:var(--radius-sm);overflow:auto;margin:1.6em 0;font-size:14.5px;line-height:1.7}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.article-body h2:target,.article-body h3:target{scroll-margin-top:90px}

/* ---------- sidebar cards ---------- */
.article-side{position:sticky;top:32px;display:grid;gap:18px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.side-card > h2{
  font-family:var(--sans);font-size:12px;letter-spacing:.16em;font-weight:700;
  color:var(--ink-2);margin:0 0 14px;
}
.toc{list-style:none;display:grid;gap:2px;font-size:14px}
.toc a{
  display:block;padding:7px 10px;border-left:2px solid var(--line);
  border-radius:0 7px 7px 0;color:var(--ink-2);line-height:1.55;
  transition:color .18s,border-color .18s,background .18s;
}
.toc a:hover,.toc a.is-current{color:var(--pine);border-left-color:var(--apricot);background:#F5EFE2;font-weight:600}
.side-links{list-style:none;display:grid;gap:8px}
.side-links a{
  display:block;padding:11px 13px;border:1px solid var(--line);border-radius:10px;
  font-size:14px;font-weight:600;color:var(--pine);background:#FBF8F1;
  transition:border-color .18s,background .18s,transform .18s;
}
.side-links a span{display:block;font-weight:400;font-size:12.5px;color:var(--ink-2);margin-top:3px;line-height:1.6}
.side-links a:hover{border-color:var(--celadon);background:var(--surface);transform:translateY(-1px)}

/* ---------- empty state ---------- */
.empty-state{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);
  padding:56px 28px;text-align:center;
}
.empty-state h2{font-family:var(--serif);font-size:24px;color:var(--pine);margin:0 0 12px}
.empty-state p{color:var(--ink-2);font-size:15.5px;margin:0 auto 24px;max-width:44ch}

/* ---------- related ---------- */
.related{margin-top:72px;padding-top:44px;border-top:1px solid var(--line)}
.related > h2{font-family:var(--serif);font-size:clamp(21px,2.1vw,26px);color:var(--pine);margin:0 0 24px;font-weight:700}
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.related-card{
  display:grid;grid-template-columns:128px minmax(0,1fr);gap:16px;align-items:stretch;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .18s,box-shadow .18s,border-color .18s;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--celadon)}
.related-card img{width:128px;height:100%;min-height:132px;object-fit:cover}
.related-card__body{padding:16px 16px 16px 0;display:flex;flex-direction:column;gap:6px;justify-content:center}
.tag{
  display:inline-flex;align-items:center;align-self:flex-start;height:22px;padding:0 10px;border-radius:999px;
  background:var(--moss);color:var(--pine);font-size:11.5px;font-weight:600;letter-spacing:.05em;
}
.related-card h3{font-size:16.5px;line-height:1.45;margin:0;color:var(--ink);font-weight:700}
.related-card p{font-size:13.5px;line-height:1.7;color:var(--ink-2);margin:0}
.back-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:34px;padding-bottom:3px;
  font-size:14.5px;color:var(--pine);border-bottom:1px solid var(--celadon);
  transition:border-color .18s,color .18s;
}
.back-link:hover{border-color:var(--apricot);color:var(--pine-deep)}

/* ---------- footer ---------- */
.site-footer{background:var(--pine-deep);color:#E6EBE6;margin-top:96px;padding:64px 0 26px}
.site-footer .wrap{max-width:1180px;margin:0 auto;padding:0 40px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr;gap:48px}
.footer-brand .brand{color:var(--cream)}
.footer-brand p{color:#B9C7BE;font-size:14px;line-height:1.85;max-width:36ch;margin:16px 0 0}
.footer-col h3{
  font-family:var(--sans);font-size:12px;letter-spacing:.16em;font-weight:700;
  color:#9FB3A8;margin:0 0 16px;
}
.footer-col ul{list-style:none;display:grid;gap:9px}
.footer-col a{font-size:14px;color:#D9E2DA;transition:color .18s}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--apricot)}
.contact-line{font-size:14px;color:#B9C7BE;line-height:1.95}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.13);margin-top:46px;padding-top:20px;
  font-size:12.5px;color:#93A69B;
}

/* ---------- animation ---------- */
@keyframes riseIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.reveal{animation:riseIn .22s ease-out both}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .article-layout{gap:40px;grid-template-columns:minmax(0,1fr) 274px}
}
@media (max-width:1023px){
  .article-hero{padding:34px 0 36px}
  .article-section{padding:40px 0 0}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .article-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .article-body{max-width:none;font-size:17px}
  .related{margin-top:56px;padding-top:36px}
  .site-footer .wrap{padding:0 30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:767px){
  body{font-size:16px}
  .article-hero h1{font-size:clamp(26px,6.4vw,34px)}
  .article-side{grid-template-columns:minmax(0,1fr)}
  .article-body{font-size:16.5px;line-height:1.8}
  .article-body h2{font-size:23px}
  .article-body h3{font-size:19.5px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .related-card{grid-template-columns:104px minmax(0,1fr)}
  .related-card img{width:104px;min-height:120px}
  .related-card__body{padding:14px 14px 14px 0}
  .site-footer{padding:48px 0 22px;margin-top:64px}
  .site-footer .wrap{padding:0 20px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:30px}
  .footer-bottom{flex-direction:column;gap:6px}
  .post-meta{font-size:12.5px;gap:4px 12px}
  .post-cover{margin-bottom:28px}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  .article-hero{padding:26px 0 28px}
  .crumbs{font-size:12.5px;margin-bottom:16px}
  .btn{width:100%}
  .related-card{grid-template-columns:minmax(0,1fr)}
  .related-card img{width:100%;height:150px;min-height:0}
  .related-card__body{padding:14px 16px 18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --ink-green:#173D33;
  --ink-green-deep:#1E4A3E;
  --celadon:#A7C4B4;
  --moss-light:#DCE7DF;
  --apricot:#E9825B;
  --honey:#F4B183;
  --paper:#F5F0E7;
  --surface:#FFFCF6;
  --text:#18211D;
  --text-soft:#66766D;
  --line:#D8DFD7;
  --radius-card:16px;
  --radius-btn:9px;
  --shadow-soft:0 8px 26px rgba(46,58,50,.07);
  --shadow-lift:0 14px 34px rgba(46,58,50,.12);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.78;
  color:var(--text);
  background-color:var(--paper);
  background-image:radial-gradient(circle at 12% 0%,rgba(167,196,180,.20),transparent 46%),radial-gradient(circle at 92% 8%,rgba(244,177,131,.14),transparent 40%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--apricot);}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink-green);font-weight:600;margin:0;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--apricot);outline-offset:3px;border-radius:4px;}

/* ===== layout shell ===== */
.app-shell{display:flex;min-height:100vh;align-items:stretch;}
.app-side{
  width:248px;flex:0 0 248px;background:var(--ink-green);color:#EDF2EC;
  position:fixed;top:0;left:0;bottom:0;z-index:60;
  display:flex;flex-direction:column;padding:28px 20px 22px;
  border-right:1px solid rgba(255,255,255,.07);
}
.app-main{margin-left:248px;width:calc(100% - 248px);padding:44px 0 0;min-width:0;}
.wrap{width:100%;max-width:1210px;margin:0 auto;padding:0 28px;}

/* ===== brand ===== */
.brand{display:inline-flex;align-items:center;gap:10px;color:inherit;}
.brand-mark{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;background:var(--surface);border-radius:9px;flex:0 0 30px;}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-family:var(--serif);font-size:18px;font-weight:600;letter-spacing:.4px;color:#F6F3EA;}
.app-side .brand{margin-bottom:6px;}
.side-brand-note{font-size:12px;line-height:1.6;color:rgba(237,242,236,.6);margin:6px 0 26px;}

/* ===== side nav ===== */
.side-nav{display:flex;flex-direction:column;gap:2px;}
.side-nav__label{
  font-size:11px;letter-spacing:.22em;color:rgba(237,242,236,.45);
  margin-bottom:12px;display:block;
}
.side-nav a{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:8px;font-size:14.5px;
  color:rgba(237,242,236,.82);transition:background .18s ease,color .18s ease,padding-left .18s ease;
}
.side-nav a .idx{font-family:var(--mono);font-size:11px;color:rgba(237,242,236,.45);letter-spacing:.06em;}
.side-nav a:hover{background:rgba(255,252,246,.09);color:#FFFCF6;padding-left:16px;}
.side-nav a.is-active{background:rgba(255,252,246,.10);color:#FFFCF6;}
.side-nav a.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:18px;background:var(--apricot);border-radius:2px;
}
.side-nav a.is-active .idx{color:var(--honey);}
.side-foot{margin-top:auto;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);}
.side-foot p{font-size:12px;line-height:1.65;color:rgba(237,242,236,.58);margin:0 0 10px;}
.side-sub{display:flex;gap:6px;}
.side-sub input{
  flex:1 1 auto;min-width:0;background:rgba(255,252,246,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:7px;padding:8px 10px;font-size:12.5px;color:#FFFCF6;
}
.side-sub input::placeholder{color:rgba(237,242,236,.45);}
.side-sub input:focus{outline:none;border-color:var(--apricot);box-shadow:0 0 0 2px rgba(233,130,91,.28);}
.side-sub button{
  border:0;background:var(--apricot);color:#241309;border-radius:7px;
  padding:8px 12px;font-size:12.5px;font-weight:600;cursor:pointer;transition:background .18s ease;
}
.side-sub button:hover{background:var(--honey);}

/* ===== mobile top bar ===== */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:70;
  background:var(--ink-green);color:#FFFCF6;padding:12px 18px;
  align-items:center;justify-content:space-between;gap:12px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.mobile-bar .brand-text{font-size:16px;}
.mobile-toggle{
  background:rgba(255,252,246,.10);border:1px solid rgba(255,255,255,.2);color:#FFFCF6;
  border-radius:8px;padding:8px 12px;font-size:13px;cursor:pointer;display:inline-flex;align-items:center;gap:7px;
}
.mobile-toggle:hover{background:rgba(255,252,246,.18);}
.mobile-drawer{
  display:none;background:var(--ink-green);padding:8px 18px 20px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .side-nav a{padding:12px 10px;font-size:15px;}

/* ===== page header strip ===== */
.page-strip{padding-top:6px;}
.crumbs{font-size:13.5px;color:var(--text-soft);display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:26px;}
.crumbs a{color:var(--text-soft);}
.crumbs a:hover{color:var(--apricot);}
.crumbs .sep{color:#B7C3B9;font-size:12px;}
.crumbs .cur{color:var(--ink-green);font-weight:600;}

/* ===== hero ===== */
.cat-hero{
  position:relative;overflow:hidden;border-radius:20px;border:1px solid var(--line);
  background:var(--surface);box-shadow:var(--shadow-soft);
}
.cat-hero__media{position:relative;height:230px;overflow:hidden;}
.cat-hero__media img{width:100%;height:100%;object-fit:cover;transform:scale(1.01);}
.cat-hero__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(23,61,51,.72),rgba(23,61,51,.28) 55%,rgba(23,61,51,.08));
}
.cat-hero__tag{
  position:absolute;z-index:2;left:26px;top:24px;
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,252,246,.94);color:var(--ink-green);
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
  padding:6px 14px;border-radius:999px;
}
.cat-hero__tag .dot{width:7px;height:7px;border-radius:50%;background:var(--apricot);animation:breathe 1.8s ease-in-out infinite;}
@keyframes breathe{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.78);}}
.cat-hero__body{padding:30px 34px 34px;margin-top:-58px;position:relative;z-index:3;}
.cat-hero__body h1{
  font-size:clamp(30px,4vw,46px);line-height:1.16;letter-spacing:.2px;margin:0 0 14px;
  color:var(--ink-green);
}
.cat-hero__body h1 em{font-style:normal;color:var(--apricot);}
.lede{font-size:16.5px;line-height:1.82;color:var(--text-soft);max-width:760px;margin:0;}

/* ===== filter bar ===== */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  margin:34px 0 26px;padding:14px 18px;border:1px solid var(--line);
  background:var(--surface);border-radius:var(--radius-card);
}
.filter-bar .label{font-size:12.5px;letter-spacing:.14em;color:var(--text-soft);margin-right:4px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  border:1px solid var(--line);background:transparent;color:var(--text-soft);
  border-radius:999px;padding:7px 15px;font-size:13.5px;cursor:pointer;
  transition:all .18s ease;min-height:36px;
}
.chip:hover{border-color:var(--celadon);background:var(--moss-light);color:var(--ink-green);}
.chip.is-on{background:var(--ink-green);border-color:var(--ink-green);color:#FFFCF6;}
.chip .num{font-family:var(--mono);font-size:11px;opacity:.7;}

/* ===== media grid (2 col) ===== */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.24;}
.sec-head p{font-size:14px;color:var(--text-soft);margin:6px 0 0;max-width:560px;}
.sec-head .count{font-family:var(--mono);font-size:13px;color:var(--text-soft);white-space:nowrap;}

.media-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
.media-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-soft);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.media-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:var(--celadon);}
.media-card__thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-green);}
.media-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease;}
.media-card:hover .media-card__thumb img{transform:scale(1.03);}
.play-badge{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  pointer-events:none;
}
.play-badge span{
  width:52px;height:52px;border-radius:50%;
  background:rgba(255,252,246,.92);color:var(--ink-green);
  display:flex;align-items:center;justify-content:center;font-size:16px;
  box-shadow:0 6px 18px rgba(23,61,51,.28);
  transition:transform .18s ease,background .18s ease;
}
.media-card:hover .play-badge span{transform:scale(1.07);background:#FFFCF6;}
.duration{
  position:absolute;right:12px;bottom:12px;z-index:2;
  background:rgba(23,61,51,.86);color:#FFFCF6;font-family:var(--mono);
  font-size:11.5px;letter-spacing:.04em;padding:3px 9px;border-radius:6px;
}
.media-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.badge-cat{
  align-self:flex-start;font-size:12px;letter-spacing:.05em;
  background:var(--moss-light);color:var(--ink-green);
  padding:3px 11px;border-radius:999px;font-weight:600;
}
.media-card__body h3{font-size:19px;line-height:1.42;}
.media-card__body h3 a{color:var(--ink-green);}
.media-card__body h3 a:hover{color:var(--apricot);}
.media-card__body p{font-size:14.2px;line-height:1.74;color:var(--text-soft);margin:0;}
.media-card__foot{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-soft);
}
.media-card__foot .date{font-family:var(--mono);letter-spacing:.02em;}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--ink-green);font-weight:600;font-size:13.5px;}
.link-more i{font-size:11px;transition:transform .18s ease;}
.link-more:hover{color:var(--apricot);}
.link-more:hover i{transform:translateX(3px);}

/* ===== empty / placeholder media ===== */
.thumb-fallback{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:var(--ink-green);
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.06) 0 1px,transparent 1px 9px);
  color:rgba(255,252,246,.8);font-family:var(--serif);font-size:15px;letter-spacing:.16em;
}

/* ===== how to use ===== */
.usage-band{
  margin-top:64px;padding:34px 0 0;border-top:1px solid var(--line);
  display:grid;grid-template-columns:8fr 4fr;gap:40px;align-items:start;
}
.usage-band h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:16px;}
.step-list{display:flex;flex-direction:column;gap:0;}
.step-item{
  display:grid;grid-template-columns:44px 1fr;gap:16px;
  padding:16px 0;border-bottom:1px solid var(--line);
}
.step-item:last-child{border-bottom:0;}
.step-item .no{
  font-family:var(--mono);font-size:12px;color:var(--apricot);font-weight:700;
  letter-spacing:.06em;padding-top:4px;
}
.step-item h3{font-size:16.5px;margin-bottom:4px;}
.step-item p{font-size:14px;color:var(--text-soft);margin:0;line-height:1.72;}
.side-note{
  background:var(--ink-green);color:#EDF2EC;border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-soft);
}
.side-note h3{color:#FFFCF6;font-size:18px;margin-bottom:12px;}
.side-note p{font-size:13.6px;line-height:1.78;color:rgba(237,242,236,.78);margin:0 0 12px;}
.side-note p:last-child{margin-bottom:0;}
.side-note .rule{height:1px;background:rgba(255,255,255,.16);margin:16px 0;}

/* ===== faq ===== */
.faq-band{margin-top:72px;display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start;}
.faq-band h2{font-size:clamp(24px,2.8vw,32px);margin-bottom:12px;}
.faq-band .intro{font-size:14.5px;color:var(--text-soft);max-width:340px;}
.acc{border-top:1px solid var(--line);}
.acc-item{border-bottom:1px solid var(--line);}
.acc-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  background:transparent;border:0;padding:18px 2px;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink-green);font-family:var(--sans);
  transition:color .18s ease;
}
.acc-q:hover{color:var(--apricot);}
.acc-q .ic{flex:0 0 auto;font-size:13px;color:var(--apricot);padding-top:4px;transition:transform .2s ease;}
.acc-item.is-open .acc-q .ic{transform:rotate(45deg);}
.acc-a{display:none;padding:0 30px 18px 2px;font-size:15px;line-height:1.76;color:var(--text-soft);}
.acc-item.is-open .acc-a{display:block;}

/* ===== cta band ===== */
.cta-band{
  margin-top:78px;background:var(--ink-green);border-radius:18px;
  padding:40px 42px;display:flex;align-items:center;justify-content:space-between;gap:30px;
  color:#FFFCF6;box-shadow:var(--shadow-soft);
  background-image:radial-gradient(circle at 88% 12%,rgba(233,130,91,.24),transparent 52%);
}
.cta-band h2{color:#FFFCF6;font-size:clamp(22px,2.6vw,30px);line-height:1.3;margin-bottom:8px;}
.cta-band p{color:rgba(237,242,236,.76);font-size:14.5px;margin:0;max-width:520px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:11px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,transform .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--apricot);color:#241309;}
.btn-primary:hover{background:var(--honey);color:#241309;transform:translateY(-2px);}
.btn-ghost{background:transparent;border-color:rgba(255,252,246,.5);color:#FFFCF6;}
.btn-ghost:hover{background:rgba(255,252,246,.12);color:#FFFCF6;transform:translateY(-2px);}
.btn-line{background:transparent;border-color:var(--ink-green);color:var(--ink-green);}
.btn-line:hover{background:var(--moss-light);color:var(--ink-green);transform:translateY(-2px);}

/* ===== footer ===== */
.site-footer{background:var(--ink-green);color:#E7EDE7;margin-top:96px;padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:44px;}
.footer-brand .brand-text{color:#FFFCF6;}
.footer-brand .brand-mark{background:rgba(255,252,246,.94);}
.footer-brand p{font-size:13.6px;line-height:1.8;color:rgba(231,237,231,.72);margin:16px 0 0;max-width:340px;}
.footer-col h3{font-size:14px;letter-spacing:.14em;color:#FFFCF6;margin-bottom:16px;font-family:var(--sans);font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col a{font-size:13.6px;color:rgba(231,237,231,.76);}
.footer-col a:hover{color:var(--honey);text-decoration:underline;text-underline-offset:3px;}
.contact-line{font-size:13.6px;line-height:1.9;color:rgba(231,237,231,.72);}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12.5px;color:rgba(231,237,231,.58);
}

/* ===== reveal ===== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .24s ease,transform .24s ease;}
.reveal.is-in{opacity:1;transform:translateY(0);}

/* ===== responsive ===== */
@media screen and (max-width:1279px){
  .wrap{padding:0 22px;}
  .usage-band{grid-template-columns:7fr 5fr;gap:30px;}
  .footer-grid{gap:32px;}
}
@media screen and (max-width:1023px){
  .app-side{display:none;}
  .app-main{margin-left:0;width:100%;padding-top:0;}
  .mobile-bar{display:flex;}
  .wrap{padding:0 18px;}
  .cat-hero__body{padding:26px 24px 28px;}
  .media-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .usage-band{grid-template-columns:1fr;gap:26px;}
  .faq-band{grid-template-columns:1fr;gap:22px;}
  .faq-band .intro{max-width:100%;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media screen and (max-width:767px){
  body{font-size:16px;}
  .wrap{padding:0 16px;}
  .cat-hero__media{height:170px;}
  .cat-hero__tag{left:16px;top:16px;font-size:12px;}
  .cat-hero__body{margin-top:-40px;padding:22px 18px 24px;}
  .cat-hero__body h1{font-size:30px;line-height:1.2;}
  .media-grid{grid-template-columns:1fr;gap:18px;}
  .filter-bar{padding:12px;gap:8px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .faq-band{margin-top:52px;}
  .cta-band{margin-top:52px;border-radius:14px;}
  .cta-band .btn{width:100%;}
  .site-footer{margin-top:64px;padding:44px 0 22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
  .usage-band{margin-top:48px;}
  .acc-q{font-size:15.5px;padding:16px 2px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --ink-green:#173D33;
  --ink-green-deep:#1E4A3E;
  --celadon:#A7C4B4;
  --moss:#DCE7DF;
  --apricot:#E9825B;
  --honey:#F4B183;
  --paper:#F5F0E7;
  --surface:#FFFCF6;
  --text:#18211D;
  --muted:#66766D;
  --line:#D8DFD7;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --radius-card:16px;
  --radius-btn:9px;
  --shadow-soft:0 10px 26px rgba(24,33,29,.06);
  --shadow-lift:0 16px 34px rgba(24,33,29,.10);
  --shell-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:var(--honey);color:var(--ink-green-deep)}

/* ---------- 侧边导航 ---------- */
.app-shell{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--shell-w);
  background:var(--ink-green);
  color:#F2F6F1;
  display:flex;
  flex-direction:column;
  padding:30px 22px 24px;
  z-index:60;
  border-right:1px solid rgba(255,255,255,.06);
}
.shell-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--moss);
  border-radius:11px;
}
.brand-mark svg{width:22px;height:22px}
.brand-text{
  font-family:var(--font-serif);
  font-weight:700;
  font-size:17px;
  letter-spacing:.02em;
  color:#FFFCF6;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid rgba(255,255,255,.24);
  border-radius:10px;
  background:transparent;
  color:#F2F6F1;
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#F2F6F1;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#F2F6F1;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.side-nav{
  margin-top:38px;
  display:flex;
  flex-direction:column;
  gap:2px;
}
.side-nav__label{
  font-size:12px;
  letter-spacing:.16em;
  color:rgba(242,246,241,.44);
  padding:0 12px 12px;
}
.side-nav a{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 12px;
  font-size:15px;
  color:rgba(242,246,241,.76);
  border-radius:9px;
  transition:background .18s ease,color .18s ease;
}
.side-nav a .idx{
  font-size:12px;
  font-variant-numeric:tabular-nums;
  color:rgba(242,246,241,.4);
  min-width:20px;
}
.side-nav a:hover{background:rgba(255,252,246,.08);color:#FFFCF6}
.side-nav a:focus-visible{outline:2px solid var(--apricot);outline-offset:3px}
.side-nav a.is-active{
  color:#FFFCF6;
  background:rgba(255,252,246,.07);
  font-weight:500;
}
.side-nav a.is-active::before{
  content:"";
  position:absolute;
  left:0;top:11px;bottom:11px;
  width:3px;
  border-radius:3px;
  background:var(--apricot);
}
.side-nav a.is-active .idx{color:var(--honey)}

.shell-foot{
  margin-top:auto;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.10);
}
.shell-foot__title{
  font-size:13px;
  color:#FFFCF6;
  margin-bottom:6px;
}
.shell-foot__text{
  font-size:12px;
  line-height:1.7;
  color:rgba(242,246,241,.56);
  margin-bottom:12px;
}
.shell-foot a{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--honey);
  border-bottom:1px solid rgba(244,177,131,.4);
  padding-bottom:2px;
  transition:color .18s ease,border-color .18s ease;
}
.shell-foot a:hover{color:#FFFCF6;border-color:#FFFCF6}
.shell-foot a:focus-visible{outline:2px solid var(--apricot);outline-offset:3px}

/* ---------- 主区域 ---------- */
.main{
  margin-left:var(--shell-w);
  padding:48px 48px 0;
  min-height:100vh;
}
.wrap{max-width:1180px;margin:0 auto}

.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:30px;
}
.crumbs a{color:var(--muted);border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease}
.crumbs a:hover{color:var(--ink-green);border-color:var(--apricot)}
.crumbs .sep{color:#B7C3B9}
.crumbs .now{color:var(--ink-green);font-weight:500}

/* ---------- Hero ---------- */
.hero{
  display:grid;
  grid-template-columns:minmax(0,1.32fr) minmax(0,1fr);
  gap:48px;
  align-items:start;
  padding-bottom:56px;
  border-bottom:1px solid var(--line);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--ink-green-deep);
  background:var(--moss);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:22px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--apricot);
  animation:pulse 1.8s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}
.hero h1{
  font-family:var(--font-serif);
  font-weight:700;
  font-size:clamp(34px,4.4vw,56px);
  line-height:1.14;
  letter-spacing:.005em;
  color:var(--ink-green);
  margin-bottom:20px;
}
.hero h1 em{
  font-style:normal;
  color:var(--ink-green-deep);
  background:linear-gradient(transparent 66%,rgba(233,130,91,.32) 0);
}
.hero__lead{
  font-size:17px;
  line-height:1.85;
  color:var(--muted);
  max-width:52ch;
}
.hero__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  color:var(--ink-green-deep);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
  padding:5px 13px;
}
.tag--accent{background:rgba(233,130,91,.12);border-color:rgba(233,130,91,.32);color:#B4502C}

.hero__aside{position:relative}
.hero__figure{
  position:relative;
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--ink-green) url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  box-shadow:var(--shadow-soft);
}
.hero__figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .5s ease;
}
.hero__figure:hover img{transform:scale(1.03)}
.hero__figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(23,61,51,0) 45%,rgba(23,61,51,.42) 100%);
  pointer-events:none;
}
.hero__figure figcaption{
  position:absolute;
  left:16px;bottom:14px;
  z-index:2;
  font-size:12.5px;
  color:#FFFCF6;
  letter-spacing:.04em;
}
.quote-card{
  position:relative;
  margin-top:-38px;
  margin-left:26px;
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid var(--apricot);
  border-radius:14px;
  padding:24px 24px 22px;
  box-shadow:var(--shadow-lift);
}
.quote-card::before{
  content:"“";
  position:absolute;
  top:-6px;left:14px;
  font-family:var(--font-serif);
  font-size:52px;
  line-height:1;
  color:rgba(233,130,91,.42);
}
.quote-card p{
  font-family:var(--font-serif);
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink-green);
}
.quote-card span{
  display:block;
  margin-top:12px;
  font-size:12.5px;
  color:var(--muted);
  letter-spacing:.04em;
}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  margin:52px 0 8px;
}
.stats__cell{
  background:var(--surface);
  padding:20px 22px;
}
.stats__num{
  font-family:var(--font-serif);
  font-size:26px;
  font-weight:600;
  color:var(--ink-green);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.stats__label{
  font-size:12.5px;
  color:var(--muted);
  margin-top:4px;
  letter-spacing:.04em;
}

/* ---------- 板块通用 ---------- */
.section{padding:64px 0}
.section + .section{border-top:1px solid var(--line)}
.section__head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:34px;
}
.section__head h2{
  font-family:var(--font-serif);
  font-weight:600;
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.28;
  color:var(--ink-green);
}
.section__head p{
  font-size:14.5px;
  color:var(--muted);
  max-width:46ch;
  margin-top:8px;
}
.section__more{
  font-size:13.5px;
  color:var(--ink-green);
  border-bottom:1px solid var(--apricot);
  padding-bottom:2px;
  white-space:nowrap;
  transition:color .18s ease;
}
.section__more:hover{color:var(--apricot)}

/* ---------- 解读索引 ---------- */
.insight-grid{
  display:grid;
  grid-template-columns:minmax(0,1.62fr) minmax(0,1fr);
  gap:44px;
  align-items:start;
}
.insight-list{border-top:1px solid var(--line)}
.insight-item{
  display:grid;
  grid-template-columns:64px minmax(0,1fr);
  gap:20px;
  padding:26px 4px 26px 0;
  border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.insight-item:hover{background:rgba(255,252,246,.72)}
.insight-item__no{
  font-family:var(--font-serif);
  font-size:26px;
  font-weight:600;
  color:var(--celadon);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
  padding-top:2px;
  transition:color .18s ease;
}
.insight-item:hover .insight-item__no{color:var(--apricot)}
.insight-item__body h3{
  font-size:19px;
  font-weight:500;
  line-height:1.5;
  color:var(--ink-green);
  margin-bottom:8px;
}
.insight-item__body h3 a{
  border-bottom:1px solid transparent;
  transition:border-color .18s ease,color .18s ease;
}
.insight-item__body h3 a:hover{color:var(--ink-green-deep);border-color:var(--apricot)}
.insight-item__body h3 a:focus-visible{outline:2px solid var(--apricot);outline-offset:4px}
.insight-item__body p{
  font-size:14.8px;
  line-height:1.8;
  color:var(--muted);
  max-width:60ch;
}
.insight-item__meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  margin-top:14px;
  font-size:12.5px;
  color:#8A968D;
  letter-spacing:.03em;
  font-variant-numeric:tabular-nums;
}
.insight-item__meta .dot{width:3px;height:3px;border-radius:50%;background:#C4CFC6}
.chip{
  display:inline-block;
  font-size:12px;
  padding:3px 10px;
  border-radius:999px;
  background:var(--moss);
  color:var(--ink-green-deep);
  letter-spacing:.02em;
}
.chip--line{background:transparent;border:1px solid var(--line);color:var(--muted)}

.rail{position:sticky;top:36px;display:flex;flex-direction:column;gap:20px}
.panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 24px;
  box-shadow:var(--shadow-soft);
}
.panel--dark{
  background:var(--ink-green);
  border-color:var(--ink-green);
  color:#EDF3EE;
}
.panel__kicker{
  font-size:11.5px;
  letter-spacing:.16em;
  color:var(--apricot);
  margin-bottom:12px;
}
.panel--dark .panel__kicker{color:var(--honey)}
.panel h3{
  font-family:var(--font-serif);
  font-size:19px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink-green);
  margin-bottom:10px;
}
.panel--dark h3{color:#FFFCF6}
.panel p{
  font-size:14.5px;
  line-height:1.85;
  color:var(--muted);
}
.panel--dark p{color:rgba(237,243,238,.76)}
.panel ul{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.panel ul li{
  display:flex;
  gap:10px;
  font-size:14px;
  line-height:1.7;
  color:var(--muted);
}
.panel ul li::before{
  content:"";
  flex:0 0 6px;
  height:6px;
  margin-top:9px;
  border-radius:50%;
  background:var(--celadon);
}
.panel--dark ul li{color:rgba(237,243,238,.8)}
.panel--dark ul li::before{background:var(--apricot)}
.panel .btn{margin-top:20px;width:100%;justify-content:center}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:500;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:focus-visible{outline:2px solid var(--apricot);outline-offset:3px}
.btn-primary{background:var(--ink-green);color:#FFFCF6}
.btn-primary:hover{background:var(--ink-green-deep);transform:translateY(-2px);box-shadow:var(--shadow-soft)}
.btn-ghost{background:transparent;border-color:var(--ink-green);color:var(--ink-green)}
.btn-ghost:hover{background:var(--moss)}
.btn-light{background:#FFFCF6;color:var(--ink-green)}
.btn-light:hover{background:var(--honey);transform:translateY(-2px)}
.btn-line{background:transparent;border-color:rgba(255,252,246,.5);color:#FFFCF6}
.btn-line:hover{background:rgba(255,252,246,.12)}

/* ---------- 两条精选卡 ---------- */
.pick-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:26px;
}
.pick-card{
  display:grid;
  grid-template-columns:150px minmax(0,1fr);
  gap:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:18px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.pick-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:var(--celadon)}
.pick-card__media{
  border-radius:11px;
  overflow:hidden;
  background:var(--ink-green);
  border:1px solid var(--line);
}
.pick-card__media img{
  width:100%;
  height:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .35s ease;
}
.pick-card:hover .pick-card__media img{transform:scale(1.04)}
.pick-card__body{display:flex;flex-direction:column;gap:8px}
.pick-card__body h3{
  font-size:16.5px;
  font-weight:500;
  line-height:1.55;
  color:var(--ink-green);
}
.pick-card__body p{
  font-size:13.5px;
  line-height:1.75;
  color:var(--muted);
}
.pick-card__foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:12.5px;
  color:#8A968D;
}
.pick-card__foot a{
  color:var(--ink-green);
  border-bottom:1px solid var(--apricot);
  padding-bottom:1px;
  transition:color .18s ease;
}
.pick-card__foot a:hover{color:var(--apricot)}

/* ---------- 阅读方式（三段式） ---------- */
.ways{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:0;
  border-top:1px solid var(--line);
}
.way{
  padding:28px 26px 8px 0;
  border-right:1px solid var(--line);
  padding-right:26px;
}
.way:last-child{border-right:0;padding-right:0}
.way__no{
  font-size:12px;
  letter-spacing:.14em;
  color:var(--apricot);
  font-variant-numeric:tabular-nums;
}
.way h3{
  font-family:var(--font-serif);
  font-size:19px;
  font-weight:600;
  color:var(--ink-green);
  margin:10px 0 8px;
}
.way p{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-grid{
  display:grid;
  grid-template-columns:minmax(0,.82fr) minmax(0,1.4fr);
  gap:48px;
  align-items:start;
}
.faq-grid h2{
  font-family:var(--font-serif);
  font-size:clamp(24px,2.6vw,32px);
  font-weight:600;
  line-height:1.3;
  color:var(--ink-green);
  margin-bottom:12px;
}
.faq-grid__note{font-size:14.5px;color:var(--muted);max-width:34ch}
.faq-grid__note a{
  color:var(--ink-green);
  border-bottom:1px solid var(--apricot);
  padding-bottom:1px;
}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 4px;
  font-size:16.5px;
  font-weight:500;
  color:var(--ink-green);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--ink-green-deep)}
.faq-item summary:focus-visible{outline:2px solid var(--apricot);outline-offset:3px;border-radius:6px}
.faq-item summary::after{
  content:"";
  flex:0 0 14px;
  width:14px;height:14px;
  background:
    linear-gradient(var(--ink-green),var(--ink-green)) center/14px 1.6px no-repeat,
    linear-gradient(var(--ink-green),var(--ink-green)) center/1.6px 14px no-repeat;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{
  background:linear-gradient(var(--apricot),var(--apricot)) center/14px 1.6px no-repeat;
  transform:rotate(180deg);
}
.faq-item .faq-body{
  padding:0 4px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
  max-width:64ch;
}

/* ---------- CTA ---------- */
.cta{
  background:var(--ink-green);
  color:#FFFCF6;
  border-radius:20px;
  padding:46px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  position:relative;
  overflow:hidden;
  margin-bottom:8px;
}
.cta::after{
  content:"";
  position:absolute;
  right:-60px;top:-70px;
  width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(233,130,91,.30),rgba(233,130,91,0) 68%);
  pointer-events:none;
}
.cta h2{
  font-family:var(--font-serif);
  font-size:clamp(22px,2.4vw,30px);
  font-weight:600;
  line-height:1.35;
  max-width:22ch;
}
.cta p{
  font-size:14.5px;
  color:rgba(255,252,246,.74);
  margin-top:10px;
  max-width:40ch;
}
.cta__actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}
.cta__actions .btn{min-width:150px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-left:var(--shell-w);
  background:var(--ink-green-deep);
  color:rgba(237,243,238,.78);
  padding:56px 48px 30px;
}
.footer-grid{
  max-width:1180px;
  margin:0 auto;
  display:grid;
  grid-template-columns:minmax(0,1.4fr) minmax(0,.9fr) minmax(0,1.1fr);
  gap:44px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-text{color:#FFFCF6;font-size:17px}
.footer-brand p{
  font-size:13.5px;
  line-height:1.85;
  color:rgba(237,243,238,.66);
  max-width:38ch;
}
.footer-col h3{
  font-size:14px;
  font-weight:500;
  color:#FFFCF6;
  margin-bottom:14px;
  letter-spacing:.04em;
}
.footer-col ul{display:flex;flex-direction:column;gap:9px}
.footer-col ul a{
  font-size:13.5px;
  color:rgba(237,243,238,.7);
  transition:color .18s ease;
}
.footer-col ul a:hover{color:#FFFCF6;text-decoration:underline;text-underline-offset:3px}
.footer-col ul a:focus-visible{outline:2px solid var(--apricot);outline-offset:3px}
.contact-line{
  font-size:13.5px;
  line-height:1.9;
  color:rgba(237,243,238,.66);
}
.footer-bottom{
  max-width:1180px;
  margin:40px auto 0;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.10);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:12.5px;
  color:rgba(237,243,238,.5);
}

/* ---------- 动效 ---------- */
.fade-up{animation:fadeUp .24s ease both}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .main{padding:40px 34px 0}
  .site-footer{padding:48px 34px 26px}
  .hero{gap:36px}
  .insight-grid{gap:32px}
}
@media (max-width:1023px){
  .app-shell{
    position:sticky;
    top:0;
    width:100%;
    height:auto;
    padding:16px 20px;
    flex-direction:column;
    border-right:0;
    border-bottom:1px solid rgba(255,255,255,.08);
  }
  .nav-toggle{display:inline-flex}
  .side-nav,
  .shell-foot{display:none}
  .side-nav.is-open{
    display:flex;
    margin-top:16px;
    padding-bottom:8px;
    border-top:1px solid rgba(255,255,255,.10);
    padding-top:14px;
  }
  .shell-foot.is-open{display:block;margin-top:4px;border-top:0;padding-top:12px}
  .main{margin-left:0;padding:34px 24px 0}
  .site-footer{margin-left:0;padding:44px 24px 26px}
  .hero{grid-template-columns:minmax(0,1fr);gap:34px;padding-bottom:44px}
  .hero__aside{max-width:560px}
  .quote-card{margin-left:0}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:40px}
  .insight-grid{grid-template-columns:minmax(0,1fr)}
  .rail{position:static}
  .pick-grid{grid-template-columns:minmax(0,1fr)}
  .ways{grid-template-columns:minmax(0,1fr)}
  .way{border-right:0;border-bottom:1px solid var(--line);padding:24px 0 20px}
  .way:last-child{border-bottom:0}
  .faq-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .cta{flex-direction:column;align-items:flex-start;padding:36px 30px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .section{padding:52px 0}
  .section__head{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:767px){
  .main{padding:26px 18px 0}
  .site-footer{padding:38px 18px 24px}
  .hero h1{font-size:clamp(30px,7.4vw,38px)}
  .hero__lead{font-size:16px}
  .insight-item{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:22px 0}
  .insight-item__no{font-size:21px}
  .insight-item__body h3{font-size:17.5px}
  .pick-card{grid-template-columns:minmax(0,1fr);gap:14px}
  .pick-card__media img{aspect-ratio:16/9}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats__cell{padding:16px 18px}
  .stats__num{font-size:22px}
  .cta{padding:30px 22px;border-radius:16px}
  .cta__actions{width:100%}
  .cta__actions .btn{width:100%}
  .panel{padding:22px 20px}
}
@media (max-width:519px){
  .side-nav a{font-size:14.5px;padding:11px 10px}
  .stats{grid-template-columns:minmax(0,1fr)}
  .quote-card{padding:20px 18px 18px;margin-top:-26px}
  .quote-card p{font-size:15.5px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
}

/* roulang page: category4 */
:root{
  --green:#173D33;
  --green-deep:#1E4A3E;
  --celadon:#A7C4B4;
  --moss:#DCE7DF;
  --apricot:#E9825B;
  --honey:#F4B183;
  --sand:#F5F0E7;
  --surface:#FFFCF6;
  --tint:#EFE9DC;
  --text:#18211D;
  --muted:#66766D;
  --line:#D8DFD7;
  --cream:#F7F3EA;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --radius-lg:18px;
  --radius:14px;
  --radius-sm:10px;
  --radius-xs:8px;
  --shadow-sm:0 1px 2px rgba(24,33,29,.05),0 12px 26px -20px rgba(24,33,29,.45);
  --shadow-md:0 2px 4px rgba(24,33,29,.06),0 26px 44px -30px rgba(24,33,29,.5);
  --side-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:700;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
::selection{background:var(--honey);color:var(--green)}
:focus-visible{outline:2px solid var(--apricot);outline-offset:3px}

/* ---------- 布局骨架 ---------- */
.skip-link{
  position:absolute;left:16px;top:-60px;z-index:200;
  background:var(--green);color:var(--cream);padding:10px 16px;border-radius:var(--radius-xs);
  transition:top .18s ease;
}
.skip-link:focus{top:16px}
.app-main{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column}
.site-main{flex:1 1 auto}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 40px}

/* ---------- 左侧 App Shell ---------- */
.app-side{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:var(--green);
  color:var(--cream);
  display:flex;flex-direction:column;
  padding:30px 20px 22px;
  border-right:1px solid rgba(255,252,246,.09);
  z-index:60;
  overflow-y:auto;
}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{width:30px;height:30px;flex:0 0 auto;display:inline-flex}
.brand-mark svg{width:100%;height:100%}
.brand-text{font-family:var(--font-serif);font-size:19px;font-weight:700;letter-spacing:.01em}
.app-side .brand-text{color:var(--cream)}
.app-side .brand-mark svg path[stroke="#173D33"],
.site-footer .brand-mark svg path[stroke="#173D33"]{stroke:var(--cream)}
.app-side .brand-mark svg circle[fill="#173D33"],
.site-footer .brand-mark svg circle[fill="#173D33"]{fill:var(--cream)}

.side-nav{display:flex;flex-direction:column;gap:2px;margin-top:30px}
.side-nav__label{
  font-size:11px;letter-spacing:.18em;color:rgba(247,243,234,.48);
  margin-bottom:12px;padding-left:12px;
}
.side-nav a{
  display:flex;align-items:center;gap:12px;
  padding:11px 12px;border-radius:var(--radius-xs);
  border-left:2px solid transparent;
  color:rgba(247,243,234,.76);font-size:15px;line-height:1.5;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.side-nav a .idx{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;
  color:rgba(247,243,234,.42);
}
.side-nav a:hover{background:rgba(255,252,246,.07);color:#fff}
.side-nav a.is-active{
  background:rgba(255,252,246,.1);
  color:#FFFCF6;
  border-left-color:var(--apricot);
}
.side-nav a.is-active .idx{color:var(--apricot)}

.side-foot{margin-top:auto;padding-top:24px;border-top:1px solid rgba(247,243,234,.14)}
.side-foot__title{font-size:13px;font-weight:700;color:var(--cream);margin-bottom:4px}
.side-foot__desc{font-size:12.5px;line-height:1.7;color:rgba(247,243,234,.6);margin-bottom:14px}
.side-field{display:flex;flex-direction:column;gap:8px}
.side-field input{
  width:100%;height:42px;border-radius:var(--radius-xs);
  border:1px solid rgba(247,243,234,.22);
  background:rgba(255,252,246,.07);
  color:var(--cream);padding:0 12px;font-size:14px;
  transition:border-color .18s ease,background-color .18s ease;
}
.side-field input::placeholder{color:rgba(247,243,234,.45)}
.side-field input:focus{border-color:var(--apricot);background:rgba(255,252,246,.12);outline:2px solid var(--apricot);outline-offset:2px}
.side-field .btn{width:100%}

/* ---------- 移动端顶栏与抽屉 ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:58;
  align-items:center;gap:14px;
  padding:12px 20px;
  background:var(--green);color:var(--cream);
  border-bottom:1px solid rgba(255,252,246,.1);
}
.menu-btn{
  width:44px;height:44px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,252,246,.08);border:1px solid rgba(255,252,246,.18);
  border-radius:var(--radius-xs);cursor:pointer;
  transition:background-color .18s ease;
}
.menu-btn:hover{background:rgba(255,252,246,.16)}
.menu-btn span{display:block;position:relative;width:18px;height:2px;background:var(--cream);border-radius:2px}
.menu-btn span::before,.menu-btn span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--cream);border-radius:2px;
}
.menu-btn span::before{top:-6px}
.menu-btn span::after{top:6px}
.topbar .brand-text{font-size:17px}
.backdrop{
  position:fixed;inset:0;background:rgba(23,61,51,.5);
  opacity:0;pointer-events:none;transition:opacity .22s ease;z-index:55;
}
.backdrop.is-on{opacity:1;pointer-events:auto}

/* ---------- 面包屑 ---------- */
.crumbs-band{background:var(--surface);border-bottom:1px solid var(--line)}
.crumbs{padding:32px 0 0;font-size:13px;color:var(--muted)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none}
.crumbs li{display:inline-flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:var(--celadon)}
.crumbs a{color:var(--muted);transition:color .18s ease}
.crumbs a:hover{color:var(--green);text-decoration:underline;text-underline-offset:4px}
.crumbs [aria-current="page"]{color:var(--green);font-weight:600}

/* ---------- 按钮 / 徽章 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn--primary{background:var(--green);color:var(--cream);box-shadow:var(--shadow-sm)}
.btn--primary:hover{background:var(--green-deep);transform:translateY(-1px)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:transparent;border-color:var(--green);color:var(--green)}
.btn--ghost:hover{background:var(--moss)}
.btn--light{background:var(--cream);color:var(--green)}
.btn--light:hover{background:#fff;transform:translateY(-1px)}
.btn--sm{min-height:40px;padding:0 16px;font-size:14px;border-radius:var(--radius-xs)}
.btn:focus-visible{outline:2px solid var(--apricot);outline-offset:3px}

.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 13px;border-radius:999px;
  background:var(--moss);color:var(--green);
  font-size:12px;font-weight:600;letter-spacing:.04em;line-height:1.4;
}
.badge--accent{background:rgba(233,130,91,.14);color:#B8542F}
.badge__dot{
  width:7px;height:7px;border-radius:50%;background:var(--apricot);
  animation:pulse 1.8s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}

.tag{
  display:inline-flex;align-items:center;
  padding:6px 12px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);
  font-size:12.5px;color:var(--muted);line-height:1.4;
}

.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12px;font-weight:700;letter-spacing:.16em;
  color:var(--green);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--apricot);display:inline-block}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--surface);border-bottom:1px solid var(--line);padding:40px 0 68px}
.hero__back{
  position:absolute;left:0;right:0;bottom:0;height:230px;
  background-image:url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center bottom;
  opacity:.14;pointer-events:none;
  -webkit-mask-image:linear-gradient(to top,#000 0%,rgba(0,0,0,.5) 45%,transparent 100%);
  mask-image:linear-gradient(to top,#000 0%,rgba(0,0,0,.5) 45%,transparent 100%);
}
.hero .wrap{position:relative;z-index:1}
.hero__grid{margin-top:0}
.hero__title{
  font-size:clamp(34px,4.6vw,56px);
  line-height:1.12;
  margin:18px 0 0;
  color:var(--green);
}
.hero__lead{
  margin-top:20px;max-width:560px;
  font-size:17px;line-height:1.8;color:var(--muted);
}
.hero__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero__media{
  margin:0;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;background:var(--moss);box-shadow:var(--shadow-md);
}
.hero__media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  transition:transform .18s ease;
}
.hero__media:hover img{transform:scale(1.02)}
.hero__media figcaption{
  padding:12px 16px;background:var(--surface);
  border-top:1px solid var(--line);
  font-size:12.5px;color:var(--muted);line-height:1.6;
}

/* ---------- 速览带 ---------- */
.facts{background:var(--surface);border-bottom:1px solid var(--line)}
.facts__list{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  list-style:none;
}
.facts__list li{padding:26px 26px;border-left:1px solid var(--line)}
.facts__list li:first-child{border-left:none;padding-left:0}
.facts__k{display:block;font-size:12px;letter-spacing:.12em;color:var(--muted);margin-bottom:6px}
.facts__v{display:block;font-family:var(--font-serif);font-size:17px;color:var(--green);line-height:1.4}

/* ---------- 板块通用 ---------- */
.section{padding:86px 0}
.section--tint{background:var(--tint)}
.section--paper{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section__head{max-width:720px;margin-bottom:44px}
.section__head h2{font-size:clamp(25px,3vw,38px);line-height:1.24;color:var(--green);margin-top:0}
.section__lead{margin-top:14px;font-size:16px;line-height:1.8;color:var(--muted)}

/* ---------- 步骤流程 ---------- */
.steps{list-style:none;counter-reset:none}
.step{
  position:relative;
  display:grid;grid-template-columns:52px minmax(0,1fr);gap:22px;
  padding:26px 0;
  border-top:1px solid var(--line);
}
.step:last-child{border-bottom:1px solid var(--line)}
.step::before{
  content:"";position:absolute;left:25px;top:62px;bottom:-1px;width:1px;
  background:var(--line);
}
.step:last-child::before{display:none}
.step__no{
  position:relative;z-index:1;
  width:52px;height:52px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--celadon);border-radius:50%;
  background:var(--surface);
  font-family:var(--font-mono);font-size:14px;letter-spacing:.04em;
  color:var(--green);
}
.step__body h3{font-size:20px;color:var(--green);margin:6px 0 8px}
.step__body p{font-size:15.5px;line-height:1.8;color:var(--muted);max-width:720px}
.step__note{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:12px;font-size:12.5px;color:var(--green);
  background:var(--moss);border-radius:999px;padding:5px 12px;
}
.step__note::before{content:"";width:5px;height:5px;border-radius:1px;background:var(--apricot);transform:rotate(45deg)}

/* ---------- 分栏：要点 + 侧栏 ---------- */
.split{margin-top:0}
.tips{list-style:none;border-top:1px solid var(--line)}
.tips li{
  display:grid;grid-template-columns:46px minmax(0,1fr);gap:18px;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.tips .k{
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.08em;
  color:var(--apricot);padding-top:5px;
}
.tips h3{font-size:18px;color:var(--green);margin-bottom:6px}
.tips p{font-size:15px;line-height:1.78;color:var(--muted)}

.aside-stack{display:grid;gap:20px;position:sticky;top:28px}
.note-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm);
}
.note-card h3{font-size:17px;color:var(--green);margin-bottom:14px}
.note-card ul{list-style:none;display:grid;gap:12px}
.note-card li{
  position:relative;padding-left:18px;
  font-size:14.5px;line-height:1.72;color:var(--muted);
}
.note-card li::before{
  content:"";position:absolute;left:0;top:9px;
  width:6px;height:6px;border-radius:1px;background:var(--apricot);transform:rotate(45deg);
}
.aside-figure{
  margin:0;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;background:var(--moss);
}
.aside-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.aside-figure figcaption{
  padding:11px 14px;background:var(--surface);border-top:1px solid var(--line);
  font-size:12px;color:var(--muted);line-height:1.6;
}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:56px;align-items:start}
.faq__intro h2{font-size:clamp(25px,3vw,36px);color:var(--green)}
.faq__intro p{margin-top:14px;font-size:15.5px;line-height:1.8;color:var(--muted);max-width:340px}
.faq__more{
  display:inline-flex;align-items:center;gap:6px;margin-top:22px;
  font-size:14px;font-weight:600;color:var(--green);
  border-bottom:1px solid var(--celadon);padding-bottom:3px;
  transition:color .18s ease,border-color .18s ease;
}
.faq__more:hover{color:var(--apricot);border-color:var(--apricot)}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 20px;font-size:16.5px;font-weight:600;color:var(--green);
  transition:background-color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-family:var(--font-mono);font-size:20px;line-height:1;
  color:var(--green);flex:0 0 auto;transition:color .18s ease;
}
.faq-item summary:hover{background:#F8F4EA}
.faq-item[open]{border-color:var(--celadon);box-shadow:var(--shadow-sm)}
.faq-item[open] summary::after{content:"−";color:var(--apricot)}
.faq-item p{
  padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--muted);
}

/* ---------- CTA ---------- */
.cta-band{background:var(--green);color:var(--cream);padding:66px 0}
.cta-band__inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band h2{
  font-size:clamp(24px,3vw,34px);line-height:1.28;color:var(--cream);
  max-width:660px;
}
.cta-band .btn{flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green-deep);color:rgba(247,243,234,.82);padding:58px 0 26px;margin:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.1fr;gap:44px}
.footer-brand .brand-text{color:var(--cream);font-size:18px}
.footer-brand p{
  margin-top:16px;max-width:330px;
  font-size:13.5px;line-height:1.85;color:rgba(247,243,234,.68);
}
.footer-col h3{
  font-size:12.5px;font-weight:700;letter-spacing:.16em;
  color:rgba(247,243,234,.55);margin-bottom:16px;font-family:var(--font-sans);
}
.footer-col ul{list-style:none;display:grid;gap:9px}
.footer-col a{font-size:13.5px;color:rgba(247,243,234,.82);transition:color .18s ease}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.contact-line{font-size:13.5px;line-height:1.95;color:rgba(247,243,234,.7)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:42px;padding-top:18px;
  border-top:1px solid rgba(247,243,234,.14);
  font-size:12.5px;color:rgba(247,243,234,.55);
}

/* ---------- 入场动效 ---------- */
@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.hero__copy .badge{animation:rise .22s ease both}
.hero__copy .hero__title{animation:rise .24s ease .04s both}
.hero__copy .hero__lead{animation:rise .24s ease .08s both}
.hero__copy .hero__tags{animation:rise .24s ease .12s both}
.hero__copy .hero__actions{animation:rise .24s ease .16s both}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .wrap{padding:0 32px}
  .section{padding:74px 0}
  .faq-layout{gap:40px}
}
@media (max-width:1023px){
  .app-side{
    transform:translateX(-100%);
    transition:transform .24s ease;
    box-shadow:0 20px 60px -20px rgba(0,0,0,.5);
  }
  .app-side.is-open{transform:translateX(0)}
  .app-main{margin-left:0}
  .topbar{display:flex}
  .crumbs{padding:22px 0 0}
  .hero{padding:28px 0 52px}
  .hero__media{margin-top:32px}
  .aside-stack{position:static}
  .facts__list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .facts__list li:nth-child(3){border-left:none;padding-left:0}
  .facts__list li:nth-child(3),.facts__list li:nth-child(4){border-top:1px solid var(--line)}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .faq__intro p{max-width:640px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:767px){
  .wrap{padding:0 20px}
  body{font-size:16px}
  .section{padding:52px 0}
  .section__head{margin-bottom:32px}
  .hero__title{font-size:clamp(32px,7vw,40px)}
  .hero__lead{font-size:16px}
  .hero__actions .btn{flex:1 1 100%}
  .facts__list li{padding:20px 16px}
  .facts__v{font-size:15.5px}
  .step{grid-template-columns:44px minmax(0,1fr);gap:16px;padding:22px 0}
  .step__no{width:44px;height:44px;font-size:13px}
  .step::before{left:21px;top:56px}
  .tips li{grid-template-columns:34px minmax(0,1fr);gap:14px}
  .cta-band{padding:48px 0}
  .cta-band__inner{flex-direction:column;align-items:flex-start}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .faq-item summary{font-size:16px;padding:16px 16px}
  .faq-item p{padding:0 16px 18px}
}
@media (max-width:519px){
  .facts__list{grid-template-columns:1fr}
  .facts__list li{border-left:none;padding-left:0}
  .facts__list li+li{border-top:1px solid var(--line)}
  .hero__media figcaption{font-size:11.5px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .hero__media:hover img{transform:none}
}

/* roulang page: category5 */
:root{
  --ink:#173D33;
  --ink-deep:#1E4A3E;
  --ink-soft:#122F28;
  --celadon:#A7C4B4;
  --moss:#DCE7DF;
  --apricot:#E9825B;
  --apricot-soft:#F4B183;
  --sand:#F5F0E7;
  --surface:#FFFCF6;
  --text:#18211D;
  --muted:#66766D;
  --line:#D8DFD7;
  --line-soft:#E5EAE2;
  --radius-lg:16px;
  --radius-md:10px;
  --radius-sm:8px;
  --shadow-1:0 2px 10px rgba(24,33,29,.05);
  --shadow-2:0 18px 40px rgba(23,61,51,.10);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --side-w:248px;
  --ease:cubic-bezier(.2,.7,.3,1);
}

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

html{scroll-behavior:smooth;}

body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.78;
  color:var(--text);
  background-color:var(--sand);
  background-image:
    radial-gradient(circle at 12% -6%, rgba(167,196,180,.22), transparent 44%),
    radial-gradient(circle at 96% 4%, rgba(244,177,131,.16), transparent 42%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

a{color:var(--ink-deep);text-decoration:none;}
a:hover{color:var(--apricot);}
img{max-width:100%;display:block;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}

h1,h2,h3,h4{
  font-family:var(--serif);
  color:var(--text);
  font-weight:600;
  margin:0;
}

p{margin:0;}

.wrap{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 侧边导航 ---------- */
.app-side{
  position:fixed;
  top:0;
  left:0;
  bottom:0;
  width:var(--side-w);
  display:flex;
  flex-direction:column;
  padding:30px 20px 22px;
  background:linear-gradient(178deg,#1B4438 0%,#173D33 46%,#12302A 100%);
  color:#EAF1EC;
  z-index:60;
  overflow-y:auto;
}
.app-side::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,252,246,.035) 0 1px,transparent 1px 9px);
  opacity:.6;
}
.app-side > *{position:relative;z-index:1;}

.app-side .brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#FFFCF6;
  text-decoration:none;
}
.app-side .brand:hover{color:#FFFCF6;}
.brand-mark{
  width:32px;
  height:32px;
  flex:0 0 32px;
  display:grid;
  place-items:center;
  border-radius:9px;
  background:rgba(255,252,246,.09);
  border:1px solid rgba(231,240,234,.22);
}
.brand-mark svg{width:20px;height:20px;display:block;}
.brand-text{
  font-family:var(--serif);
  font-size:17px;
  font-weight:600;
  letter-spacing:.01em;
  line-height:1.2;
}

.side-nav{
  display:flex;
  flex-direction:column;
  gap:2px;
  margin-top:34px;
}
.side-nav__label{
  font-size:11px;
  letter-spacing:.22em;
  color:rgba(231,240,234,.42);
  margin-bottom:12px;
}
.side-nav a{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  padding:11px 12px;
  border-radius:8px;
  font-size:14.5px;
  color:rgba(234,241,236,.76);
  text-decoration:none;
  transition:background .18s var(--ease),color .18s var(--ease);
  min-height:44px;
}
.side-nav a .idx{
  font-size:11px;
  font-variant-numeric:tabular-nums;
  letter-spacing:.06em;
  color:rgba(231,240,234,.36);
  transition:color .18s var(--ease);
}
.side-nav a:hover{background:rgba(255,252,246,.08);color:#FFFCF6;}
.side-nav a:hover .idx{color:rgba(244,177,131,.85);}
.side-nav a.is-active{background:rgba(255,252,246,.11);color:#FFFCF6;}
.side-nav a.is-active .idx{color:var(--apricot-soft);}
.side-nav a.is-active::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:2px;
  height:18px;
  border-radius:2px;
  background:var(--apricot);
}
.side-nav a:focus-visible{
  outline:2px solid var(--apricot-soft);
  outline-offset:2px;
}

.side-foot{
  margin-top:auto;
  padding-top:22px;
  border-top:1px solid rgba(231,240,234,.14);
}
.side-foot p{
  font-size:12.5px;
  line-height:1.6;
  color:rgba(234,241,236,.62);
}
.side-sub{display:grid;gap:8px;margin-top:12px;}
.side-sub input{
  width:100%;
  padding:10px 12px;
  border-radius:var(--radius-sm);
  border:1px solid rgba(240,244,240,.2);
  background:rgba(255,252,246,.06);
  color:#FFFCF6;
  font-size:13px;
  font-family:var(--sans);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.side-sub input::placeholder{color:rgba(240,244,240,.42);}
.side-sub input:focus{
  outline:none;
  border-color:var(--apricot);
  box-shadow:0 0 0 3px rgba(233,130,91,.24);
}
.side-sub button{
  padding:10px 12px;
  border-radius:var(--radius-sm);
  border:0;
  background:var(--apricot);
  color:#221610;
  font-size:13px;
  font-weight:700;
  cursor:pointer;
  min-height:44px;
  transition:background .18s var(--ease),transform .18s var(--ease);
}
.side-sub button:hover{background:var(--apricot-soft);transform:translateY(-1px);}
.side-sub button:focus-visible{outline:2px solid #FFFCF6;outline-offset:2px;}
.side-sub__note{
  font-size:11.5px;
  color:rgba(234,241,236,.5);
  margin-top:2px;
  min-height:16px;
}

/* ---------- 主区域 ---------- */
.main-area{
  margin-left:var(--side-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}

.mobile-bar{display:none;}
.nav-scrim{display:none;}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding-top:44px;
  font-size:13.5px;
  color:var(--muted);
}
.crumbs a{
  color:var(--muted);
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.crumbs a:hover{color:var(--ink);border-color:var(--apricot);}
.crumbs .sep{color:#BCC7BE;font-size:12px;}
.crumbs .current{color:var(--text);font-weight:500;}

/* ---------- Hero ---------- */
.cat-hero{padding:30px 0 0;}
.cat-hero__grid{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:52px;
  align-items:end;
  padding-bottom:56px;
  border-bottom:1px solid var(--line);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:12px;
  letter-spacing:.2em;
  color:var(--muted);
  text-transform:uppercase;
  margin-bottom:20px;
}
.eyebrow::before{
  content:"";
  width:26px;
  height:2px;
  background:var(--apricot);
  border-radius:2px;
}
.cat-hero h1{
  font-size:clamp(32px,4.2vw,52px);
  line-height:1.16;
  letter-spacing:.005em;
  margin-bottom:22px;
  animation:riseIn .5s var(--ease) both;
}
.cat-hero__lead{
  font-size:16.5px;
  line-height:1.85;
  color:var(--muted);
  max-width:56ch;
  animation:riseIn .55s var(--ease) .06s both;
}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 13px;
  border-radius:999px;
  background:var(--moss);
  color:var(--ink);
  font-size:12.5px;
  font-weight:500;
  letter-spacing:.02em;
}
.tag--line{
  background:transparent;
  border:1px solid var(--line);
  color:var(--muted);
}
.tag .dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--apricot);
}

.cat-hero__media{
  margin:0;
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--ink);
  box-shadow:var(--shadow-2);
  aspect-ratio:4/3;
  animation:riseIn .6s var(--ease) .1s both;
}
.cat-hero__media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .55s var(--ease);
}
.cat-hero__media:hover img{transform:scale(1.03);}
.cat-hero__media figcaption{
  position:absolute;
  left:14px;
  bottom:14px;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(23,61,51,.82);
  color:#F3EFE6;
  font-size:11.5px;
  letter-spacing:.08em;
  backdrop-filter:blur(4px);
}

@keyframes riseIn{
  from{opacity:0;transform:translateY(12px);}
  to{opacity:1;transform:none;}
}

/* ---------- 分组索引带 ---------- */
.group-strip{
  margin-top:56px;
  border-top:1px solid var(--line);
}
.group-row{
  display:grid;
  grid-template-columns:56px minmax(0,1fr) minmax(0,1.3fr) 92px 24px;
  align-items:center;
  gap:18px;
  padding:20px 6px;
  border-bottom:1px solid var(--line);
  color:var(--text);
  transition:background .18s var(--ease),padding-left .18s var(--ease);
}
.group-row:hover{
  background:rgba(255,252,246,.65);
  padding-left:14px;
  color:var(--text);
}
.group-row__num{
  font-family:var(--serif);
  font-size:14px;
  color:var(--apricot);
  font-variant-numeric:tabular-nums;
  letter-spacing:.08em;
}
.group-row__title{
  font-family:var(--serif);
  font-size:19px;
  font-weight:600;
}
.group-row__desc{
  font-size:14px;
  color:var(--muted);
  line-height:1.6;
}
.group-row__count{
  font-size:12.5px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
  text-align:right;
}
.group-row__arrow{
  justify-self:end;
  color:var(--ink);
  transition:transform .18s var(--ease),color .18s var(--ease);
}
.group-row:hover .group-row__arrow{transform:translateX(4px);color:var(--apricot);}

/* ---------- 问答主体 ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:280px minmax(0,1fr);
  gap:56px;
  padding:76px 0 8px;
}

.faq-index{
  position:sticky;
  top:34px;
  align-self:start;
}
.faq-index__label{
  font-size:11.5px;
  letter-spacing:.2em;
  color:var(--muted);
  margin-bottom:16px;
}
.faq-index ul{display:grid;gap:2px;}
.faq-index a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:11px 12px;
  border-radius:var(--radius-sm);
  font-size:14.5px;
  color:var(--text);
  border-left:2px solid transparent;
  transition:background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
  min-height:44px;
}
.faq-index a em{
  font-style:normal;
  font-size:12px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.faq-index a:hover{
  background:var(--surface);
  border-left-color:var(--apricot);
  color:var(--ink);
}
.faq-index a:focus-visible{
  outline:2px solid var(--apricot);
  outline-offset:2px;
}
.faq-index__note{
  margin-top:24px;
  padding:18px;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  background:var(--surface);
  font-size:13.5px;
  line-height:1.75;
  color:var(--muted);
}
.faq-index__note a{
  display:inline;
  padding:0;
  color:var(--ink);
  border-bottom:1px solid var(--apricot);
}

.faq-group{
  margin-bottom:52px;
  scroll-margin-top:90px;
}
.faq-group:last-child{margin-bottom:0;}
.faq-group__head{
  display:flex;
  align-items:baseline;
  gap:14px;
  margin-bottom:20px;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
}
.faq-group__num{
  font-family:var(--serif);
  font-size:13px;
  color:var(--apricot);
  letter-spacing:.1em;
  font-variant-numeric:tabular-nums;
}
.faq-group h2{
  font-size:clamp(22px,2.4vw,28px);
  line-height:1.3;
}

.acc-item{
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  background:var(--surface);
  margin-bottom:12px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.acc-item:hover{border-color:var(--celadon);}
.acc-item[data-open="true"]{
  border-color:var(--celadon);
  box-shadow:var(--shadow-1);
}
.acc-btn{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 22px;
  background:none;
  border:0;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  line-height:1.6;
  color:var(--text);
  cursor:pointer;
  min-height:44px;
  transition:color .18s var(--ease);
}
.acc-btn:hover{color:var(--ink-deep);}
.acc-btn:focus-visible{
  outline:2px solid var(--apricot);
  outline-offset:-2px;
  border-radius:var(--radius-md);
}
.acc-icon{
  position:relative;
  flex:0 0 15px;
  width:15px;
  height:15px;
}
.acc-icon::before,
.acc-icon::after{
  content:"";
  position:absolute;
  background:var(--ink);
  border-radius:2px;
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.acc-icon::before{left:0;top:6.7px;width:15px;height:1.6px;}
.acc-icon::after{left:6.7px;top:0;width:1.6px;height:15px;}
.acc-item[data-open="true"] .acc-icon::after{transform:scaleY(0);}
.acc-item[data-open="true"] .acc-icon::before{background:var(--apricot);}

.acc-panel{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .3s var(--ease);
}
.acc-item[data-open="true"] .acc-panel{grid-template-rows:1fr;}
.acc-panel__inner{overflow:hidden;}
.acc-panel__inner p{
  padding:0 22px 20px;
  font-size:15.5px;
  line-height:1.8;
  color:var(--muted);
}
.acc-panel__inner p + p{padding-top:0;}

/* ---------- 联系带 ---------- */
.help-band{
  position:relative;
  margin:44px 0 0;
  padding:46px 48px;
  border-radius:var(--radius-lg);
  background:var(--ink);
  color:#F3EFE6;
  overflow:hidden;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:34px;
  align-items:center;
}
.help-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.14;
  pointer-events:none;
}
.help-band > *{position:relative;z-index:1;}
.help-band h2{
  color:#FFFCF6;
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.32;
  margin-bottom:12px;
}
.help-band p{
  font-size:15px;
  line-height:1.8;
  color:rgba(243,239,230,.74);
  max-width:52ch;
}
.help-band__actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 24px;
  border-radius:9px;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  cursor:pointer;
  min-height:44px;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn:focus-visible{
  outline:2px solid var(--apricot);
  outline-offset:3px;
}
.btn-primary{
  background:var(--ink);
  color:#FFFCF6;
}
.btn-primary:hover{
  background:var(--ink-deep);
  color:#FFFCF6;
  transform:translateY(-1px);
  box-shadow:0 10px 22px rgba(23,61,51,.2);
}
.btn-ghost{
  background:transparent;
  border-color:var(--ink);
  color:var(--ink);
}
.btn-ghost:hover{background:var(--moss);color:var(--ink);}
.btn-light{
  background:#FFFCF6;
  color:var(--ink);
}
.btn-light:hover{
  background:var(--apricot-soft);
  color:#221610;
  transform:translateY(-1px);
}
.btn-outline-light{
  background:transparent;
  border-color:rgba(243,239,230,.4);
  color:#F3EFE6;
}
.btn-outline-light:hover{
  background:rgba(243,239,230,.12);
  border-color:rgba(243,239,230,.7);
  color:#FFFCF6;
}

.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  color:var(--ink);
  border-bottom:1px solid var(--apricot);
  padding-bottom:1px;
  transition:color .18s var(--ease),gap .18s var(--ease);
}
.text-link:hover{color:var(--apricot);gap:10px;}

.back-row{
  padding:40px 0 0;
  display:flex;
  flex-wrap:wrap;
  gap:26px;
  align-items:center;
  border-top:1px solid var(--line);
  margin-top:56px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  padding:64px 0 28px;
  background:var(--ink);
  color:rgba(240,244,240,.72);
}
.site-footer .wrap{max-width:1180px;margin:0 auto;padding:0 32px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.2fr;
  gap:48px;
}
.footer-brand .brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#FFFCF6;
  margin-bottom:16px;
}
.footer-brand .brand:hover{color:#FFFCF6;}
.footer-brand .brand-mark{
  background:#F5F0E7;
  border-color:rgba(240,244,240,.24);
}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:rgba(240,244,240,.66);
  max-width:38ch;
}
.footer-col h3{
  font-size:12px;
  font-weight:600;
  letter-spacing:.18em;
  color:rgba(240,244,240,.48);
  margin:0 0 16px;
  font-family:var(--sans);
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  font-size:14px;
  color:rgba(240,244,240,.78);
  border-bottom:1px solid transparent;
  padding-bottom:1px;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.footer-col a:hover{color:#FFFCF6;border-color:var(--apricot);}
.footer-col a:focus-visible{outline:2px solid var(--apricot-soft);outline-offset:3px;}
.contact-line{
  font-size:13.5px;
  line-height:1.95;
  color:rgba(240,244,240,.66);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:14px;
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(240,244,240,.14);
  font-size:13px;
  color:rgba(240,244,240,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .cat-hero__grid{gap:40px;}
  .faq-layout{grid-template-columns:240px minmax(0,1fr);gap:40px;}
}

@media (max-width:1023px){
  .app-side{
    width:286px;
    transform:translateX(-102%);
    transition:transform .3s var(--ease);
    box-shadow:18px 0 44px rgba(18,47,40,.24);
  }
  .app-side.is-open{transform:none;}
  .main-area{margin-left:0;}
  .mobile-bar{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    position:sticky;
    top:0;
    z-index:55;
    height:62px;
    padding:0 20px;
    background:rgba(245,240,231,.94);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .mobile-bar .brand{
    display:inline-flex;
    align-items:center;
    gap:9px;
    color:var(--ink);
  }
  .mobile-bar .brand-mark{
    width:28px;
    height:28px;
    flex:0 0 28px;
    background:#FFFCF6;
    border-color:var(--line);
  }
  .mobile-bar .brand-text{font-size:16px;}
  .nav-toggle{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:7px;
    min-height:44px;
    padding:0 16px;
    border-radius:9px;
    border:1px solid var(--line);
    background:var(--surface);
    color:var(--ink);
    font-size:14px;
    font-weight:600;
    cursor:pointer;
    transition:background .18s var(--ease),border-color .18s var(--ease);
  }
  .nav-toggle:hover{background:var(--moss);border-color:var(--celadon);}
  .nav-toggle:focus-visible{outline:2px solid var(--apricot);outline-offset:2px;}
  .nav-scrim{
    display:block;
    position:fixed;
    inset:0;
    z-index:59;
    background:rgba(18,33,29,.42);
    opacity:0;
    pointer-events:none;
    transition:opacity .3s var(--ease);
  }
  .nav-scrim.is-open{opacity:1;pointer-events:auto;}
  body.nav-locked{overflow:hidden;}

  .crumbs{padding-top:28px;}
  .cat-hero__grid{
    grid-template-columns:1fr;
    gap:32px;
    align-items:start;
    padding-bottom:44px;
  }
  .cat-hero__media{aspect-ratio:16/9;}
  .faq-layout{
    grid-template-columns:1fr;
    gap:34px;
    padding:52px 0 8px;
  }
  .faq-index{
    position:static;
    padding:20px;
    border:1px solid var(--line);
    border-radius:var(--radius-md);
    background:var(--surface);
  }
  .faq-index ul{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;}
  .faq-index a{padding:10px;font-size:13.5px;justify-content:flex-start;gap:8px;}
  .faq-index__note{margin-top:16px;}
  .help-band{
    grid-template-columns:1fr;
    padding:36px 28px;
    gap:24px;
  }
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .footer-brand{grid-column:1 / -1;}
}

@media (max-width:767px){
  body{font-size:16px;}
  .wrap{padding:0 20px;}
  .site-footer .wrap{padding:0 20px;}
  .cat-hero h1{font-size:clamp(28px,7.6vw,36px);line-height:1.24;}
  .cat-hero__lead{font-size:15.5px;}
  .group-row{
    grid-template-columns:38px minmax(0,1fr) 20px;
    grid-template-areas:
      "num title arrow"
      "num desc arrow";
    gap:4px 14px;
    padding:16px 4px;
  }
  .group-row__num{grid-area:num;align-self:start;padding-top:4px;}
  .group-row__title{grid-area:title;font-size:17px;}
  .group-row__desc{grid-area:desc;font-size:13.5px;}
  .group-row__arrow{grid-area:arrow;align-self:center;}
  .group-row__count{display:none;}
  .faq-index ul{grid-template-columns:1fr;}
  .acc-btn{font-size:15.5px;padding:16px 18px;}
  .acc-panel__inner p{padding:0 18px 18px;font-size:15px;}
  .help-band{padding:30px 22px;}
  .help-band__actions{flex-direction:column;align-items:stretch;}
  .help-band__actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .back-row{margin-top:40px;padding-top:30px;gap:18px;}
  .site-footer{margin-top:64px;padding-top:48px;}
}

@media (max-width:520px){
  .crumbs{font-size:12.5px;}
  .tag{font-size:12px;padding:5px 11px;}
  .group-strip{margin-top:40px;}
  .faq-layout{padding-top:40px;}
  .footer-brand p{font-size:13.5px;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
}