/* roulang page: index */
:root{
  --ink:#143D34;
  --green:#245E50;
  --accent:#C4512D;
  --accent-soft:#E8B49F;
  --paper:#F4EFE5;
  --card:#FFFDF8;
  --text:#1E2522;
  --muted:#4D5A54;
  --line:#D9D0C1;
  --line-strong:#B9AE9B;
  --radius-card:12px;
  --radius-btn:8px;
  --radius-badge:4px;
  --shadow-card:0 8px 24px rgba(20,61,52,.06);
  --shadow-hover:0 12px 30px rgba(20,61,52,.10);
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{list-style:none;padding:0}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
:focus-visible{outline:3px solid rgba(196,81,45,.35);outline-offset:2px;border-radius:4px}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}
.site-container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
@media (max-width:767px){.site-container{padding:0 16px}}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:90;background:var(--card);border-bottom:1px solid var(--line)}
.nav-wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:76px;gap:14px}
.nav-left .nav-list{display:flex;align-items:center;gap:26px;justify-content:flex-start}
.nav-right{display:flex;align-items:center;gap:14px;justify-content:flex-end}
.nav-link{position:relative;display:inline-block;font-size:15px;font-weight:600;color:var(--text);padding:6px 2px;transition:color var(--ease)}
.nav-link:hover{color:var(--green)}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;background:var(--accent)}
.brand{display:flex;align-items:center;gap:10px;justify-self:center}
.brand-mark{position:relative;display:block;width:38px;height:38px;flex:0 0 38px;border-radius:10px;background:var(--ink);overflow:hidden}
.brand-mark i{position:absolute;left:9px;right:9px;height:2px;border-radius:1px;background:var(--accent-soft)}
.brand-mark i:nth-child(1){top:12px}
.brand-mark i:nth-child(2){top:24px;background:var(--card)}
.brand-mark i:nth-child(3){left:18px;right:auto;top:12px;bottom:12px;width:2px;height:auto;background:rgba(255,253,248,.45)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-line1{font-size:18px;font-weight:700;letter-spacing:.14em;color:var(--ink)}
.brand-line2{font-size:11px;letter-spacing:.26em;color:var(--muted);margin-top:3px}
.icon-btn{
  display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--line);
  border-radius:10px;background:var(--card);color:var(--ink);
  transition:border-color var(--ease),color var(--ease),transform var(--ease);
}
.icon-btn:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.icon-btn svg{width:18px;height:18px}
.mobile-bar{display:none}
.mobile-menu{display:none}
@media (max-width:1023px){
  .nav-wrap{display:none}
  .mobile-bar{display:flex;align-items:center;justify-content:space-between;height:64px;gap:10px}
  .mobile-menu{display:block;max-height:0;overflow:hidden;background:var(--card);border-top:1px solid var(--line);transition:max-height 240ms ease}
  .mobile-menu.is-open{max-height:460px}
  .mobile-menu a{display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 4px;font-size:15px;font-weight:600;border-bottom:1px solid var(--line);transition:color var(--ease)}
  .mobile-menu a:hover,.mobile-menu a.is-active{color:var(--accent)}
}
@media (min-width:1024px){.mobile-menu{display:none !important}}

/* ---------- buttons / badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
}
.btn-primary{background:var(--ink);color:var(--card)}
.btn-primary:hover{background:var(--accent);color:#fff}
.btn-ghost{background:transparent;border:1px solid rgba(255,253,248,.55);color:#fff}
.btn-ghost:hover{background:var(--card);border-color:var(--card);color:var(--ink)}
.btn-outline{background:transparent;border:1px solid var(--line-strong);color:var(--text)}
.btn-outline:hover{background:var(--card);border-color:var(--accent);color:var(--accent)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#A9421F;color:#fff}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--green);
  border-bottom:1px solid transparent;transition:color var(--ease),border-color var(--ease);
}
.btn-link:hover{color:var(--accent);border-bottom-color:var(--accent)}
.btn-link .arw{transition:transform var(--ease)}
.btn-link:hover .arw{transform:translateX(3px)}
.badge{
  display:inline-flex;align-items:center;height:22px;padding:0 9px;
  border-radius:var(--radius-badge);font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(196,81,45,.10);color:var(--accent);border:1px solid rgba(196,81,45,.20);
}
.badge-plain{background:var(--card);color:var(--muted);border:1px solid var(--line)}

/* ---------- hero ---------- */
.hero{
  position:relative;color:#fff;min-height:600px;display:flex;align-items:center;
  background:var(--ink) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(20,61,52,.97) 0%,rgba(20,61,52,.92) 44%,rgba(36,94,80,.85) 100%);
}
.hero-inner{position:relative;z-index:1;width:100%;padding:88px 0 78px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:12.5px;letter-spacing:.18em;
  color:var(--accent-soft);text-transform:uppercase;margin-bottom:18px;
}
.hero-eyebrow::before{content:"";width:26px;height:1px;background:var(--accent-soft)}
.hero h1{
  font-size:clamp(2.25rem,4.2vw,3.75rem);font-weight:700;line-height:1.12;
  letter-spacing:-.01em;color:#FFFDF8;max-width:14em;
}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.8;color:rgba(255,253,248,.82);max-width:30em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:32px;font-size:13.5px;color:rgba(255,253,248,.80)}
.hero-badges li{display:flex;align-items:center;gap:8px}
.hero-badges .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-soft);display:block}

.index-card{
  background:var(--card);color:var(--text);border:1px solid rgba(255,253,248,.6);
  border-radius:var(--radius-card);box-shadow:0 18px 40px rgba(10,35,28,.28);
  padding:24px 22px 10px;
}
.index-card-title{font-size:13px;font-weight:700;letter-spacing:.2em;color:var(--muted);margin-bottom:14px}
.index-list li{border-top:1px solid var(--line)}
.index-list li:first-child{border-top:0}
.index-list a{display:flex;gap:14px;padding:16px 2px;transition:background var(--ease)}
.index-list a:hover .idx-text strong{color:var(--accent)}
.idx{font-size:13px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;flex:0 0 24px;padding-top:2px}
.idx-text{display:flex;flex-direction:column;gap:3px}
.idx-text strong{font-size:16px;font-weight:600;color:var(--ink);transition:color var(--ease)}
.idx-text em{font-style:normal;font-size:13px;color:var(--muted);line-height:1.6}

/* ---------- ticker ---------- */
.ticker{background:var(--card);border-bottom:1px solid var(--line)}
.ticker-inner{display:flex;flex-wrap:wrap;gap:10px 34px;padding:15px 0;align-items:center;font-size:13.5px;color:var(--muted)}
.ticker-inner .tk{display:flex;align-items:center;gap:8px}
.ticker-inner .tk b{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums}
.ticker-inner .tk i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block;font-style:normal}

/* ---------- sections ---------- */
.section{padding:72px 0}
.section-alt{background:#EFE9DD}
@media (max-width:1023px){.section{padding:52px 0}}
@media (max-width:767px){.section{padding:36px 0}}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:34px;
}
.section-title{
  position:relative;padding-left:16px;font-size:clamp(1.5rem,2.6vw,2.125rem);
  font-weight:700;line-height:1.28;color:var(--ink);
}
.section-title::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:4px;border-radius:2px;background:var(--accent);
}
.section-desc{font-size:14px;color:var(--muted);margin-top:8px;padding-left:16px;max-width:46em}
@media (max-width:767px){
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
}

/* ---------- collection directory ---------- */
.collection-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 44px}
.collection-item{
  display:flex;gap:16px;padding:20px 16px;border-bottom:1px solid var(--line);
  border-left:3px solid transparent;transition:background var(--ease),border-color var(--ease);
}
.collection-item:hover{background:var(--card);border-left-color:var(--accent)}
.collection-num{flex:0 0 28px;font-size:13px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;padding-top:3px}
.collection-body{flex:1;min-width:0}
.collection-title{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:19px;font-weight:600;color:var(--ink)}
.collection-title .arw{color:var(--line-strong);transition:transform var(--ease),color var(--ease)}
.collection-item:hover .collection-title .arw{transform:translateX(3px);color:var(--accent)}
.collection-desc{margin-top:6px;font-size:14.5px;line-height:1.65;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.collection-meta{margin-top:9px;display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--line-strong)}
@media (max-width:767px){
  .collection-grid{grid-template-columns:1fr;gap:0}
  .collection-item{padding:18px 8px}
}

/* ---------- steps ---------- */
.step-band{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.step-cell{padding:26px 24px 28px;border-left:1px solid var(--line);transition:background var(--ease)}
.step-cell:first-child{border-left:0}
.step-cell:hover{background:var(--card)}
.step-num{display:inline-block;font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.14em;margin-bottom:10px;font-variant-numeric:tabular-nums}
.step-cell h3{font-size:20px;font-weight:600;color:var(--ink);margin-bottom:8px}
.step-cell p{font-size:14.5px;color:var(--muted);line-height:1.7}
@media (max-width:767px){
  .step-band{grid-template-columns:1fr}
  .step-cell{border-left:0;border-top:1px solid var(--line);padding:22px 6px}
  .step-cell:first-child{border-top:0}
}

/* ---------- cms ---------- */
.cms-layout{display:grid;grid-template-columns:7fr 5fr;gap:28px;align-items:start}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--accent)}
.cms-feature{display:block}
.cms-feature-media{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--paper);border-bottom:1px solid var(--line)}
.cms-feature-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.cms-feature:hover .cms-feature-media img{transform:scale(1.03)}
.cms-feature-body{padding:22px 24px 24px}
.cms-feature-title{margin-top:12px;font-size:24px;font-weight:700;line-height:1.35;color:var(--ink)}
.cms-feature-title a{transition:color var(--ease)}
.cms-feature-title a:hover{color:var(--accent)}
.cms-feature-desc{margin-top:10px;font-size:15px;line-height:1.72;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong)}
.cms-side{display:flex;flex-direction:column;gap:14px}
.mini-item{
  display:flex;gap:14px;padding:14px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.mini-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--accent)}
.mini-thumb{
  flex:0 0 120px;width:120px;height:84px;border-radius:8px;overflow:hidden;
  background:var(--paper);border:1px solid var(--line);
}
.mini-thumb img{width:100%;height:100%;object-fit:cover}
.mini-body{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center}
.mini-title{font-size:16.5px;font-weight:600;line-height:1.45;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--ease)}
.mini-item:hover .mini-title{color:var(--accent)}
.mini-desc{margin-top:6px;font-size:13px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-meta{margin-top:8px;display:flex;gap:10px;align-items:center;font-size:12.5px;color:var(--line-strong);font-variant-numeric:tabular-nums}
@media (max-width:1023px){
  .cms-layout{grid-template-columns:1fr;gap:20px}
}
@media (max-width:767px){
  .cms-feature-title{font-size:20px}
  .mini-thumb{flex:0 0 100px;width:100px;height:70px}
}

/* ---------- empty state ---------- */
.empty-state{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:44px 28px;text-align:center;box-shadow:var(--shadow-card);
}
.empty-state h3{font-size:20px;font-weight:600;color:var(--ink)}
.empty-state p{margin-top:10px;font-size:14.5px;color:var(--muted);max-width:34em;margin-left:auto;margin-right:auto}
.empty-state .btn{margin-top:20px}

/* ---------- rail ---------- */
.rail{display:flex;gap:20px;overflow-x:auto;padding:4px 2px 18px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:3px}
.rail-card{flex:0 0 calc((100% - 30px)/2.5);scroll-snap-align:start}
.rail-media{aspect-ratio:16/10;overflow:hidden;background:var(--paper);border-bottom:1px solid var(--line)}
.rail-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.rail-card:hover .rail-media img{transform:scale(1.03)}
.rail-body{padding:16px 18px 20px}
.rail-title{margin-top:10px;font-size:17.5px;font-weight:600;line-height:1.45;color:var(--ink)}
.rail-desc{margin-top:8px;font-size:13.5px;line-height:1.65;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
@media (max-width:767px){
  .rail-card{flex:0 0 88%}
}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line);max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;font-size:18px;font-weight:600;text-align:left;color:var(--ink);
  transition:color var(--ease),padding-left var(--ease);
}
.faq-q:hover{color:var(--accent)}
.faq-icon{position:relative;flex:0 0 22px;width:22px;height:22px;transition:transform var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--accent);border-radius:2px}
.faq-icon::before{left:0;right:0;top:10px;height:2px}
.faq-icon::after{top:0;bottom:0;left:10px;width:2px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--ease)}
.faq-item.is-open .faq-a{max-height:460px}
.faq-a-inner{padding:0 4px 22px;font-size:15.5px;line-height:1.8;color:var(--muted);max-width:46em}
.faq-item.is-open .faq-q{padding-left:16px}
.faq-item.is-open .faq-q::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:2px;background:var(--accent);
}

/* ---------- cta ---------- */
.cta-band{background:linear-gradient(120deg,#143D34 0%,#245E50 100%);color:#fff;padding:56px 0}
.cta-inner{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center}
.cta-band h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:700;color:#FFFDF8}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,253,248,.78);max-width:38em;line-height:1.75}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cta-note{font-size:13px;color:var(--accent-soft);margin-top:12px;min-height:18px}
@media (max-width:767px){
  .cta-inner{grid-template-columns:1fr}
  .cta-actions .btn{width:100%}
}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#E6E1D6;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:5fr 2fr 2fr 3fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:#1F5145}
.footer-brand .brand-line1{color:#FFFDF8}
.footer-brand .brand-line2{color:#9FBDB1}
.footer-desc{font-size:14px;line-height:1.8;color:#B7CCC2;max-width:26em}
.footer-domain{margin-top:14px;font-size:13px;color:#8FAEA2;letter-spacing:.04em}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.18em;color:#9FBDB1;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:#D8E3DC;transition:color var(--ease)}
.footer-links a:hover{color:var(--accent-soft)}
.field-label{display:block;font-size:13.5px;color:#9FBDB1;margin-bottom:8px}
.sub-row{display:flex;gap:10px}
.sub-input{
  flex:1;min-width:0;height:44px;padding:0 14px;font-size:14px;color:#FFFDF8;
  background:#1B4A3F;border:1px solid #2E6353;border-radius:var(--radius-btn);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.sub-input::placeholder{color:#84A498}
.sub-input:focus{outline:none;border-color:var(--accent-soft);box-shadow:0 0 0 3px rgba(196,81,45,.35)}
.sub-tip{font-size:12.5px;color:#8FAEA2;margin-top:10px;line-height:1.6}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,253,248,.14);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:#8FAEA2;
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:44px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .sub-row{flex-direction:column}
  .sub-row .btn{width:100%}
}

/* roulang page: article */
:root{
  --pine:#143D34;
  --pine-2:#245E50;
  --clay:#C4512D;
  --clay-light:#E8B49F;
  --paper:#F4EFE5;
  --card:#FFFDF8;
  --ink:#1E2522;
  --ink-2:#4D5A54;
  --line:#D9D0C1;
  --line-strong:#B9AE9B;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 8px 24px rgba(20,61,52,.06);
  --shadow-hover:0 12px 30px rgba(20,61,52,.10);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;}
p{font-size:inherit;}
h1,h2,h3,h4{color:var(--ink);font-weight:700;line-height:1.28;}
h2{font-size:clamp(1.5rem,2.6vw,2.125rem);}
h3{font-size:20px;font-weight:600;}
::selection{background:var(--clay-light);color:var(--pine);}
.site-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 导航 ---------- */
.site-header{background:var(--card);border-bottom:1px solid var(--line);position:relative;z-index:60;}
.nav-wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;min-height:76px;}
.nav-left{display:flex;justify-content:flex-start;min-width:0;}
.nav-right{display:flex;justify-content:flex-end;align-items:center;gap:14px;min-width:0;}
.nav-list{display:flex;align-items:center;gap:26px;flex-wrap:wrap;}
.nav-link{position:relative;display:inline-block;padding:6px 0;color:var(--ink);font-size:15px;font-weight:500;transition:color .18s ease;}
.nav-link:hover{color:var(--pine-2);}
.nav-link.is-active{color:var(--pine);font-weight:600;}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;background:var(--clay);}
.nav-link:focus-visible{outline:3px solid rgba(196,81,45,.35);outline-offset:4px;border-radius:4px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--pine);}
.brand-mark{width:34px;height:34px;flex:0 0 auto;border:2px solid var(--pine);border-radius:6px;display:inline-flex;flex-direction:column;justify-content:center;gap:3px;padding:0 5px;}
.brand-mark i{display:block;height:2px;border-radius:1px;background:var(--pine);}
.brand-mark i:nth-child(2){background:var(--clay);}
.brand-text{display:flex;flex-direction:column;line-height:1.18;}
.brand-line1{font-size:17px;font-weight:700;letter-spacing:.5px;}
.brand-line2{font-size:10px;font-weight:500;letter-spacing:2px;color:var(--ink-2);}
.icon-btn{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--card);color:var(--pine);cursor:pointer;transition:border-color .18s ease,color .18s ease,background .18s ease;}
.icon-btn svg{width:20px;height:20px;}
.icon-btn:hover{border-color:var(--clay);color:var(--clay);}
.icon-btn:focus-visible{outline:3px solid rgba(196,81,45,.35);outline-offset:2px;}
.mobile-bar{display:none;align-items:center;justify-content:space-between;gap:12px;min-height:64px;}
.mobile-menu{display:none;background:var(--card);border-top:1px solid var(--line);box-shadow:0 10px 24px rgba(20,61,52,.08);}
.mobile-menu.is-open{display:block;}
.mobile-menu .site-container{padding-top:4px;padding-bottom:12px;}
.mobile-menu a{display:flex;align-items:center;justify-content:space-between;min-height:48px;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink);}
.mobile-menu a:last-child{border-bottom:0;}
.mobile-menu a span{color:var(--line-strong);}
.mobile-menu a.is-active{color:var(--clay);font-weight:600;}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;
  background:
    linear-gradient(104deg,rgba(20,61,52,.96) 0%,rgba(20,61,52,.88) 46%,rgba(36,94,80,.74) 100%),
    url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
  color:#F4EFE5;
  padding:28px 0 46px;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(244,239,229,.72);margin-bottom:26px;}
.crumbs a{color:rgba(244,239,229,.85);transition:color .18s ease;}
.crumbs a:hover{color:var(--clay-light);}
.crumbs a:focus-visible{outline:3px solid rgba(232,180,159,.5);outline-offset:3px;border-radius:4px;}
.crumbs .sep{color:rgba(244,239,229,.45);}
.crumbs .current{color:#F4EFE5;}
.article-hero h1{font-size:clamp(1.85rem,3.6vw,3rem);line-height:1.16;color:#FFFDF8;max-width:920px;margin:0 0 20px;letter-spacing:.2px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13px;color:rgba(244,239,229,.82);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(244,239,229,.45);}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:4px;font-size:12px;font-weight:600;letter-spacing:.3px;background:var(--clay);color:#FFF8F2;}
.badge-soft{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:4px;font-size:12px;font-weight:600;background:rgba(232,180,159,.22);color:var(--clay-light);border:1px solid rgba(232,180,159,.45);}

/* ---------- 主体布局 ---------- */
.article-section{padding:56px 0 72px;}
.article-row{display:flex;flex-wrap:wrap;gap:32px;align-items:flex-start;max-width:var(--container);margin:0 auto;padding:0 24px;}
.article-row > .columns{float:none;padding-left:0;padding-right:0;width:auto;flex:1 1 0;min-width:0;}
.article-row > .article-side{flex:0 0 300px;width:auto;}
.article-main-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:36px 40px 44px;}

.article-body{max-width:760px;font-size:17px;line-height:1.95;color:var(--ink);text-align:left;}
.article-body > p:first-of-type{font-weight:500;}
.article-body p{margin:0 0 1.1em;}
.article-body h2{font-size:clamp(1.35rem,2.2vw,1.75rem);line-height:1.4;color:var(--pine);margin:2.2em 0 .8em;padding-bottom:.35em;border-bottom:1px solid var(--line);scroll-margin-top:96px;}
.article-body h3{font-size:1.18rem;line-height:1.45;color:var(--pine-2);margin:1.8em 0 .6em;scroll-margin-top:96px;}
.article-body h4{font-size:1.05rem;margin:1.5em 0 .5em;color:var(--pine-2);}
.article-body ul,.article-body ol{margin:1em 0 1.2em;padding-left:1.4em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.4em 0;}
.article-body blockquote{margin:1.6em 0;padding:16px 20px;background:var(--card);border-left:3px solid var(--clay);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--ink-2);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{width:100%;height:auto;border-radius:var(--radius-sm);margin:1.4em 0 .6em;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--ink-2);margin-top:.5em;line-height:1.7;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;line-height:1.7;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.article-body th{background:var(--card);font-weight:600;color:var(--pine);}
.article-body a{color:var(--pine-2);text-decoration:underline;text-decoration-color:var(--clay);text-underline-offset:3px;transition:color .18s ease;}
.article-body a:hover{color:var(--clay);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}

.article-empty{padding:36px 0 12px;}
.article-empty .empty-title{font-size:22px;font-weight:700;color:var(--pine);margin-bottom:10px;}
.article-empty .empty-desc{color:var(--ink-2);margin-bottom:24px;max-width:560px;}

/* ---------- 侧栏 ---------- */
.article-side-inner{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;}
.side-title{font-size:14px;font-weight:700;letter-spacing:1px;color:var(--pine);margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--line);}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{display:block;font-size:14px;line-height:1.6;padding:7px 0 7px 10px;color:var(--ink-2);border-left:2px solid transparent;transition:color .18s ease,border-color .18s ease,background .18s ease;}
.toc-list a:hover{color:var(--clay);border-left-color:var(--clay);background:rgba(232,180,159,.12);}
.toc-list .toc-h3 a{padding-left:22px;font-size:13px;}
.toc-empty{display:none;font-size:13px;color:var(--ink-2);}
.side-actions{display:flex;flex-direction:column;gap:10px;}
.side-tip{font-size:12.5px;color:var(--ink-2);margin-top:10px;line-height:1.6;min-height:20px;}
.side-tip.is-ok{color:var(--pine-2);}
.side-links{display:flex;flex-direction:column;}
.side-links li + li{border-top:1px solid var(--line);}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:44px;font-size:14px;color:var(--ink);transition:color .18s ease;}
.side-links a span:last-child{color:var(--line-strong);transition:transform .18s ease,color .18s ease;}
.side-links a:hover{color:var(--clay);}
.side-links a:hover span:last-child{color:var(--clay);transform:translateX(3px);}
.side-back{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:600;color:var(--pine-2);transition:color .18s ease;}
.side-back:hover{color:var(--clay);}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:12px 20px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;}
.btn:focus-visible{outline:3px solid rgba(196,81,45,.35);outline-offset:2px;}
.btn-primary{background:var(--pine);color:var(--card);}
.btn-primary:hover{background:var(--clay);color:#FFF8F2;}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-strong);}
.btn-ghost:hover{background:var(--card);border-color:var(--clay);color:var(--clay);}
.btn-accent{background:var(--clay);color:#FFF8F2;border-color:var(--clay);}
.btn-accent:hover{background:#A8421F;border-color:#A8421F;}
.btn-light{background:var(--card);color:var(--pine);border-color:var(--card);}
.btn-light:hover{background:var(--clay-light);border-color:var(--clay-light);color:var(--pine);}
.btn-outline-light{background:transparent;color:#FFFDF8;border-color:rgba(255,253,248,.55);}
.btn-outline-light:hover{background:rgba(255,253,248,.14);border-color:var(--clay-light);color:#FFFDF8;}
.btn-block{width:100%;}

/* ---------- 文末相关 ---------- */
.rel-section{margin-top:36px;padding-top:32px;border-top:1px solid var(--line);}
.rel-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:20px;}
.rel-head h2{font-size:22px;}
.rel-head .rel-note{font-size:13px;color:var(--ink-2);}
.rel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.rel-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;}
.rel-card:hover{transform:translateY(-3px);border-color:var(--clay);box-shadow:var(--shadow-hover);}
.rel-card:focus-visible{outline:3px solid rgba(196,81,45,.35);outline-offset:2px;}
.rel-thumb{aspect-ratio:16/10;background:var(--card);overflow:hidden;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-body{padding:16px 18px 20px;}
.rel-body h3{font-size:18px;margin:8px 0 6px;line-height:1.45;}
.rel-body p{font-size:14px;color:var(--ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.tag{display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:4px;font-size:12px;font-weight:600;background:rgba(232,180,159,.28);color:#8E3A1E;border:1px solid rgba(196,81,45,.22);}
.rel-foot{display:flex;flex-wrap:wrap;gap:22px;margin-top:24px;font-size:14px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--pine-2);transition:color .18s ease;}
.text-link span{transition:transform .18s ease;}
.text-link:hover{color:var(--clay);}
.text-link:hover span{transform:translateX(3px);}

/* ---------- CTA ---------- */
.cta-band{background:var(--pine);color:var(--card);padding:56px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{color:#FFFDF8;font-size:clamp(1.4rem,2.3vw,1.875rem);margin-bottom:10px;}
.cta-inner p{color:rgba(255,253,248,.78);font-size:15px;max-width:560px;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;}
.cta-tip{font-size:13px;color:var(--clay-light);min-height:20px;width:100%;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--pine);color:rgba(255,253,248,.82);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:5fr 2fr 2fr 3fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.site-footer .brand-mark{border-color:rgba(255,253,248,.7);}
.site-footer .brand-mark i{background:rgba(255,253,248,.75);}
.site-footer .brand-mark i:nth-child(2){background:var(--clay-light);}
.site-footer .brand-line1{color:#FFFDF8;}
.site-footer .brand-line2{color:rgba(255,253,248,.6);}
.footer-desc{font-size:14px;line-height:1.8;max-width:340px;color:rgba(255,253,248,.72);margin-bottom:12px;}
.footer-domain{font-size:13px;letter-spacing:.5px;color:rgba(255,253,248,.5);font-variant-numeric:tabular-nums;}
.footer-title{font-size:14px;font-weight:700;color:#FFFDF8;margin-bottom:14px;letter-spacing:.5px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,253,248,.75);transition:color .18s ease;}
.footer-links a:hover{color:var(--clay-light);}
.footer-links a:focus-visible{outline:3px solid rgba(232,180,159,.5);outline-offset:3px;border-radius:4px;}
.field-label{display:block;font-size:14px;color:rgba(255,253,248,.75);margin-bottom:8px;}
.sub-row{display:flex;gap:10px;}
.sub-input{flex:1 1 auto;min-width:0;height:44px;padding:0 14px;border-radius:var(--radius-sm);border:1px solid rgba(255,253,248,.28);background:rgba(255,253,248,.06);color:#FFFDF8;font-size:14px;transition:border-color .18s ease,box-shadow .18s ease;}
.sub-input::placeholder{color:rgba(255,253,248,.42);}
.sub-input:focus{outline:none;border-color:var(--clay-light);box-shadow:0 0 0 3px rgba(196,81,45,.35);}
.sub-tip{font-size:12.5px;color:rgba(255,253,248,.55);margin-top:10px;min-height:18px;}
.sub-tip.is-error{color:var(--clay-light);}
.sub-tip.is-ok{color:#BEE0D0;}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,253,248,.15);font-size:13px;color:rgba(255,253,248,.55);font-variant-numeric:tabular-nums;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-wrap{display:none;}
  .mobile-bar{display:flex;}
  .article-row{display:block;}
  .article-row > .article-side{width:auto;margin-top:32px;}
  .article-side-inner{position:static;}
  .article-main-card{padding:28px 24px 32px;}
  .article-section{padding:40px 0 56px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .site-container{padding:0 16px;}
  .article-hero{padding:22px 0 34px;}
  .article-meta{font-size:12.5px;}
  .rel-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:44px 0;}
  .site-footer{padding:48px 0 24px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .article-body{font-size:16.5px;}
}
@media (max-width:576px){
  .article-hero h1{font-size:1.75rem;}
  .article-main-card{padding:22px 18px 26px;border-radius:10px;}
  .btn{width:100%;}
  .sub-row{flex-direction:column;}
  .sub-row .btn{width:100%;}
  .cta-actions{width:100%;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --green-900:#143D34;
  --green-700:#245E50;
  --orange:#C4512D;
  --orange-soft:#E8B49F;
  --paper:#F4EFE5;
  --card:#FFFDF8;
  --ink:#1E2522;
  --ink-2:#4D5A54;
  --line:#D9D0C1;
  --line-strong:#B9AE9B;
  --radius-card:12px;
  --radius-btn:8px;
  --radius-badge:4px;
  --shadow-card:0 8px 24px rgba(20,61,52,.06);
  --shadow-hover:0 12px 30px rgba(20,61,52,.10);
  --tr:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--tr)}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(196,81,45,.45);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.site-container{width:100%;max-width:1180px;margin:0 auto;padding-left:24px;padding-right:24px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--card);border-bottom:1px solid var(--line)}
.nav-wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;height:76px}
.nav-left{justify-self:start}
.nav-right{justify-self:end;display:flex;align-items:center;gap:10px}
.nav-list{display:flex;align-items:center;gap:26px;list-style:none;margin:0;padding:0}
.nav-link{position:relative;display:inline-flex;align-items:center;height:44px;font-size:15px;font-weight:500;color:var(--ink);transition:color var(--tr)}
.nav-link:hover{color:var(--green-700)}
.nav-link.is-active{color:var(--green-900);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;border-radius:2px;background:var(--orange)}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center}
.brand-mark{width:38px;height:38px;display:grid;grid-template-columns:repeat(3,1fr);gap:3px;padding:7px;border:1.5px solid var(--green-900);border-radius:6px;background:var(--card);flex:0 0 auto}
.brand-mark i{display:block;background:var(--green-700);border-radius:1px}
.brand-mark i:nth-child(2){background:var(--orange)}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-line1{font-size:18px;font-weight:700;letter-spacing:.05em;color:var(--green-900)}
.brand-line2{font-size:11px;font-weight:500;letter-spacing:.16em;color:var(--green-700);margin-top:3px}
.icon-btn{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--card);color:var(--green-900);cursor:pointer;transition:border-color var(--tr),color var(--tr),background var(--tr)}
.icon-btn:hover{border-color:var(--orange);color:var(--orange)}
.icon-btn svg{width:19px;height:19px}
.mobile-bar{display:none;align-items:center;justify-content:space-between;gap:12px;height:64px}
.mobile-menu{display:none;background:var(--card);border-top:1px solid var(--line)}
.mobile-menu.is-open{display:block}
.mobile-menu .site-container{padding-top:4px;padding-bottom:8px}
.mobile-menu a{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 4px;font-size:15px;color:var(--ink);border-bottom:1px solid var(--line)}
.mobile-menu a:last-child{border-bottom:0}
.mobile-menu a.is-active{color:var(--orange);font-weight:600}
.mobile-menu a span{color:var(--line-strong)}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--green-900);color:#fff}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.45}
.hero-veil{position:absolute;inset:0;background:linear-gradient(108deg,rgba(20,61,52,.97) 0%,rgba(20,61,52,.9) 48%,rgba(36,94,80,.8) 100%)}
.page-hero .site-container{position:relative;z-index:2;padding-top:26px;padding-bottom:52px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(244,239,229,.66);margin-bottom:26px}
.breadcrumb a{color:rgba(244,239,229,.86);border-bottom:1px solid rgba(244,239,229,.35);padding-bottom:1px}
.breadcrumb a:hover{color:var(--orange-soft);border-color:var(--orange-soft)}
.breadcrumb .sep{color:rgba(244,239,229,.4)}
.breadcrumb .current{color:rgba(244,239,229,.62)}
.hero-grid{display:grid;grid-template-columns:1.65fr 1fr;gap:44px;align-items:start}
.hero-badge{display:inline-block;padding:4px 10px;font-size:12px;letter-spacing:.08em;border-radius:var(--radius-badge);background:rgba(232,180,159,.18);color:var(--orange-soft);border:1px solid rgba(232,180,159,.35);margin-bottom:16px}
.page-hero h1{font-size:clamp(2.25rem,4.2vw,3.4rem);font-weight:700;line-height:1.14;letter-spacing:.01em;color:#fff}
.hero-lead{margin-top:18px;max-width:600px;font-size:17px;line-height:1.85;color:rgba(244,239,229,.84)}
.anchor-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.anchor-pills a{display:inline-flex;align-items:center;height:38px;padding:0 16px;font-size:14px;border-radius:999px;border:1px solid rgba(244,239,229,.32);color:#F4EFE5;transition:background var(--tr),border-color var(--tr),color var(--tr)}
.anchor-pills a:hover{background:rgba(196,81,45,.9);border-color:transparent;color:#fff}
.hero-index{background:var(--card);color:var(--ink);border-radius:var(--radius-card);padding:22px 24px;box-shadow:0 18px 40px rgba(10,34,29,.22)}
.index-title{font-size:13px;letter-spacing:.18em;color:var(--green-700);font-weight:700;margin-bottom:6px}
.hero-index li{display:flex;align-items:baseline;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line)}
.hero-index li:last-child{border-bottom:0;padding-bottom:2px}
.hero-index .num{font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--orange);font-variant-numeric:tabular-nums;flex:0 0 auto}
.hero-index a{font-size:15px;color:var(--ink);transition:color var(--tr)}
.hero-index a:hover{color:var(--orange)}

/* ---------- sections ---------- */
.section{padding:72px 0}
.section-alt{background:linear-gradient(180deg,rgba(255,253,248,.6) 0%,rgba(244,239,229,0) 100%)}
.section-head{max-width:760px;margin-bottom:38px}
.section-kicker{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.22em;color:var(--orange);margin-bottom:10px}
.section-title{font-size:clamp(1.5rem,2.6vw,2.125rem);font-weight:700;line-height:1.28;color:var(--green-900)}
.section-title::after{content:"";display:block;width:56px;height:3px;border-radius:2px;background:var(--orange);margin-top:14px}
.section-desc{margin-top:16px;font-size:16px;color:var(--ink-2);line-height:1.8}
[id]{scroll-margin-top:96px}

/* ---------- steps ---------- */
.steps{position:relative;margin:0;padding:0;list-style:none}
.steps::before{content:"";position:absolute;left:23px;top:16px;bottom:44px;width:1px;background:linear-gradient(180deg,var(--line-strong),rgba(217,208,193,0))}
.step{position:relative;display:grid;grid-template-columns:48px 1fr;gap:26px;padding-bottom:34px}
.step:last-child{padding-bottom:0}
.step-num{position:relative;z-index:2;width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--card);border:1px solid var(--line-strong);color:var(--green-900);font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.04em}
.step:first-child .step-num{background:var(--green-900);border-color:var(--green-900);color:#FFFDF8}
.step-body{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 26px;box-shadow:var(--shadow-card);transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr)}
.step-body:hover{transform:translateY(-3px);border-color:var(--orange);box-shadow:var(--shadow-hover)}
.step-title{font-size:20px;font-weight:600;color:var(--green-900);margin-bottom:8px}
.step-text{font-size:15px;line-height:1.8;color:var(--ink-2)}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{display:inline-block;padding:3px 10px;font-size:12px;border-radius:var(--radius-badge);background:rgba(196,81,45,.1);color:#9C3C1E;border:1px solid rgba(196,81,45,.22)}
.tag-plain{background:var(--paper);color:var(--ink-2);border:1px solid var(--line)}

/* ---------- notes ---------- */
.note-panel{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--orange);border-radius:var(--radius-card);padding:28px 30px;box-shadow:var(--shadow-card)}
.note-list{display:grid;grid-template-columns:1fr 1fr;gap:18px 36px}
.note-list li{display:flex;gap:12px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.note-list li::before{content:"—";flex:0 0 auto;font-weight:700;color:var(--orange)}

/* ---------- faq ---------- */
.faq-list{border-bottom:1px solid var(--line)}
.faq-item{border-top:1px solid var(--line)}
.faq-q{position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 0 20px 20px;background:none;border:0;text-align:left;font-size:18px;font-weight:600;color:var(--ink);cursor:pointer;transition:color var(--tr)}
.faq-q::before{content:"";position:absolute;left:0;top:24px;width:3px;height:0;border-radius:2px;background:var(--orange);transition:height var(--tr)}
.faq-item.is-open .faq-q{color:var(--green-900)}
.faq-item.is-open .faq-q::before{height:22px}
.faq-q:hover{color:var(--green-700)}
.faq-icon{position:relative;flex:0 0 auto;width:18px;height:18px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--green-700);border-radius:1px;transition:transform var(--tr),background var(--tr)}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-icon::after{transform:rotate(45deg);background:var(--orange)}
.faq-item.is-open .faq-icon::before{background:var(--orange)}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--tr)}
.faq-a p{padding:0 20px 22px 20px;font-size:15.5px;line-height:1.85;color:var(--ink-2)}

/* ---------- topics ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.topic-card{display:flex;gap:18px;padding:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr)}
.topic-card:hover{transform:translateY(-3px);border-color:var(--orange);box-shadow:var(--shadow-hover)}
.topic-thumb{flex:0 0 auto;width:120px;height:84px;border-radius:8px;overflow:hidden;border:1px solid var(--line);background:var(--paper)}
.topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--tr)}
.topic-card:hover .topic-thumb img{transform:scale(1.03)}
.topic-body{min-width:0}
.topic-title{font-size:18px;font-weight:600;color:var(--green-900);margin-bottom:6px}
.topic-text{font-size:14px;line-height:1.7;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.topic-more{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:13px;font-weight:600;color:var(--green-700)}
.topic-card:hover .topic-more{color:var(--orange)}
.topic-more .arrow{transition:transform var(--tr)}
.topic-card:hover .topic-more .arrow{transform:translateX(3px)}

/* ---------- cta ---------- */
.cta-band{background:var(--green-900);color:#F4EFE5;padding:56px 0}
.cta-inner{display:grid;grid-template-columns:1.5fr 1fr;gap:34px;align-items:center}
.cta-title{font-size:clamp(1.35rem,2.2vw,1.75rem);font-weight:700;color:#fff;margin-bottom:10px}
.cta-text{font-size:15px;line-height:1.8;color:rgba(244,239,229,.78);max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background var(--tr),color var(--tr),border-color var(--tr)}
.btn-primary{background:var(--green-900);color:#FFFDF8}
.btn-primary:hover{background:var(--orange);color:#fff}
.btn-paper{background:var(--card);color:var(--green-900)}
.btn-paper:hover{background:var(--orange);color:#fff}
.btn-outline-paper{background:transparent;border-color:rgba(244,239,229,.42);color:#F4EFE5}
.btn-outline-paper:hover{border-color:var(--orange-soft);color:var(--orange-soft)}
.copy-tip{font-size:13px;color:var(--orange-soft);min-height:20px;flex-basis:100%;text-align:right}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,16px);background:var(--green-900);color:#FFFDF8;font-size:14px;padding:12px 20px;border-radius:8px;box-shadow:0 12px 30px rgba(10,34,29,.3);opacity:0;pointer-events:none;transition:opacity var(--tr),transform var(--tr);z-index:200;max-width:88vw;text-align:center}
.toast.is-show{opacity:1;transform:translate(-50%,0)}

/* ---------- footer ---------- */
.site-footer{background:var(--green-900);color:#EFEAE0;padding-top:56px}
.footer-grid{display:grid;grid-template-columns:5fr 2fr 2fr 3fr;gap:34px;padding-bottom:42px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.site-footer .brand-mark{background:transparent;border-color:rgba(244,239,229,.55)}
.site-footer .brand-mark i{background:rgba(244,239,229,.8)}
.site-footer .brand-mark i:nth-child(2){background:var(--orange-soft)}
.site-footer .brand-line1{color:#FFFDF8}
.site-footer .brand-line2{color:var(--orange-soft)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(244,239,229,.74);max-width:340px;margin-bottom:12px}
.footer-domain{font-size:13px;letter-spacing:.08em;color:rgba(244,239,229,.55)}
.footer-title{font-size:14px;font-weight:700;color:#FFFDF8;margin-bottom:14px;letter-spacing:.06em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(244,239,229,.8);transition:color var(--tr)}
.footer-links a:hover{color:var(--orange-soft)}
.field-label{display:block;font-size:13px;color:rgba(244,239,229,.8);margin-bottom:10px}
.sub-row{display:flex;gap:8px}
.sub-input{flex:1;min-width:0;height:44px;padding:0 12px;font-size:14px;color:#FFFDF8;background:rgba(255,255,255,.06);border:1px solid rgba(244,239,229,.26);border-radius:var(--radius-btn);transition:border-color var(--tr),box-shadow var(--tr)}
.sub-input::placeholder{color:rgba(244,239,229,.5)}
.sub-input:focus{outline:none;border-color:var(--orange-soft);box-shadow:0 0 0 3px rgba(196,81,45,.3)}
.btn-accent{background:var(--orange);color:#FFFDF8;border:0}
.btn-accent:hover{background:#A8421F;color:#fff}
.sub-tip{font-size:12px;line-height:1.7;color:rgba(244,239,229,.6);margin-top:10px}
.sub-tip.is-error{color:var(--orange-soft)}
.sub-tip.is-ok{color:#9FD3B8}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding:18px 0 24px;border-top:1px solid rgba(244,239,229,.16);font-size:13px;color:rgba(244,239,229,.58)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-wrap{display:none}
  .mobile-bar{display:flex}
  .hero-grid{grid-template-columns:1.35fr 1fr;gap:30px}
  .footer-grid{grid-template-columns:2fr 1fr 1fr}
  .footer-grid > div:last-child{grid-column:1 / -1}
  .sub-form{max-width:420px}
}
@media (max-width:768px){
  .site-container{padding-left:16px;padding-right:16px}
  .section{padding:52px 0}
  .page-hero .site-container{padding-top:18px;padding-bottom:38px}
  .hero-grid{grid-template-columns:1fr;gap:26px}
  .hero-index{order:2}
  .hero-lead{font-size:16px}
  .step{grid-template-columns:1fr;gap:12px;padding-bottom:26px}
  .steps::before{display:none}
  .step-num{width:40px;height:40px;font-size:13px}
  .note-list{grid-template-columns:1fr}
  .note-panel{padding:22px 20px}
  .topic-grid{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
  .copy-tip{text-align:left}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-grid > div:first-child{grid-column:1 / -1}
  .footer-grid > div:last-child{grid-column:1 / -1}
}
@media (max-width:576px){
  .page-hero h1{font-size:1.95rem}
  .section-title{font-size:1.45rem}
  .anchor-pills a{height:36px;padding:0 14px;font-size:13px}
  .step-body{padding:18px 18px}
  .faq-q{font-size:16.5px;padding:18px 0 18px 18px}
  .faq-a p{padding:0 18px 20px 18px}
  .topic-card{flex-direction:column}
  .topic-thumb{width:100%;height:150px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .copy-tip{text-align:center}
  .footer-grid{grid-template-columns:1fr}
  .sub-row{flex-direction:column}
  .sub-row .btn{width:100%}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
}

/* roulang page: category2 */
/* ===================== 设计变量 ===================== */
:root{
  --pine:#143D34;
  --pine-2:#245E50;
  --clay:#C4512D;
  --clay-soft:#E8B49F;
  --paper:#F4EFE5;
  --paper-deep:#EFE9DC;
  --card:#FFFDF8;
  --ink:#1E2522;
  --ink-2:#4D5A54;
  --line:#D9D0C1;
  --line-strong:#B9AE9B;
  --radius-card:12px;
  --radius-btn:8px;
  --radius-badge:4px;
  --shadow:0 8px 24px rgba(20,61,52,.06);
  --shadow-hover:0 12px 30px rgba(20,61,52,.10);
  --container:1180px;
  --ease:180ms ease;
}

/* ===================== 基础重置 ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
img{max-width:100%;display:block;border:0;}
button{font-family:inherit;background:none;border:0;padding:0;cursor:pointer;color:inherit;}
input{font-family:inherit;}
:focus-visible{outline:3px solid rgba(196,81,45,.35);outline-offset:2px;}
h1{font-size:clamp(2.25rem,4.2vw,3.75rem);font-weight:700;line-height:1.12;letter-spacing:-.5px;color:var(--ink);}
h2{font-size:clamp(1.5rem,2.6vw,2.125rem);font-weight:700;line-height:1.25;color:var(--pine);}
h3{font-size:20px;font-weight:600;line-height:1.4;color:var(--ink);}
.site-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ===================== 头部导航 ===================== */
.site-header{position:sticky;top:0;z-index:80;background:var(--card);border-bottom:1px solid var(--line);}
.nav-wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;height:76px;}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-left .nav-list{justify-content:flex-start;}
.nav-right{gap:14px;justify-content:flex-end;display:flex;align-items:center;}
.nav-right .nav-list{justify-content:flex-end;}
.nav-link{position:relative;display:inline-block;font-size:15px;font-weight:500;color:var(--ink);padding:8px 0;line-height:1.4;}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--clay);transform:scaleX(0);transform-origin:left center;transition:transform var(--ease);}
.nav-link:hover{color:var(--pine-2);}
.nav-link.is-active{color:var(--pine);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--card);color:var(--pine);
  transition:border-color var(--ease),color var(--ease),background var(--ease),transform var(--ease);
}
.icon-btn svg{width:20px;height:20px;}
.icon-btn:hover{border-color:var(--clay);color:var(--clay);background:#FFF8F2;}
.icon-btn:active{transform:translateY(1px);}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center;}
.brand-mark{
  position:relative;width:40px;height:40px;flex:0 0 auto;border:2px solid var(--pine);
  border-radius:6px;background:var(--card);overflow:hidden;
}
.brand-mark i{position:absolute;display:block;}
.brand-mark i:nth-child(1){top:0;bottom:0;left:50%;width:2px;margin-left:-1px;background:var(--pine-2);opacity:.35;}
.brand-mark i:nth-child(2){width:13px;height:13px;border:2px solid var(--clay);border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%);background:transparent;}
.brand-mark i:nth-child(3){left:0;right:0;top:50%;height:2px;margin-top:-1px;background:var(--pine-2);opacity:.22;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-line1{font-size:17px;font-weight:700;color:var(--pine);letter-spacing:.5px;}
.brand-line2{font-size:11px;font-weight:500;color:var(--ink-2);letter-spacing:1.6px;}
.mobile-bar{display:none;}
.mobile-menu{display:none;}

/* ===================== 首屏（目录型） ===================== */
.page-hero{
  position:relative;
  padding:34px 0 60px;
  border-bottom:1px solid var(--line);
  background-color:var(--paper);
  background-image:
    linear-gradient(112deg,rgba(244,239,229,.98) 0%,rgba(244,239,229,.94) 52%,rgba(232,180,159,.42) 100%),
    url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:24px;}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--clay);}
.breadcrumb .current{color:var(--ink-2);}
.eyebrow{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;margin-bottom:16px;
  font-size:12px;letter-spacing:2px;color:var(--clay);
  background:rgba(232,180,159,.28);border:1px solid rgba(196,81,45,.22);border-radius:var(--radius-badge);
}
.page-hero h1{font-size:clamp(2rem,3.6vw,3.125rem);color:var(--pine);}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.8;color:var(--ink-2);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.anchor-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.anchor-chips a{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;font-size:13px;color:var(--ink-2);
  background:rgba(255,253,248,.86);border:1px solid var(--line);border-radius:999px;
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.anchor-chips a:hover{border-color:var(--clay);color:var(--clay);background:var(--card);}
.stat-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow);padding:22px 22px 18px;}
.stat-panel-title{font-size:13px;letter-spacing:2px;color:var(--ink-2);margin-bottom:6px;}
.stat-list li{display:grid;grid-template-columns:34px 1fr auto;align-items:center;gap:10px;padding:14px 0;border-bottom:1px dashed var(--line);}
.stat-list li:last-child{border-bottom:0;}
.stat-no{font-size:12px;color:var(--clay);font-variant-numeric:tabular-nums;letter-spacing:1px;}
.stat-num{font-size:28px;font-weight:700;line-height:1;color:var(--pine);font-variant-numeric:tabular-nums;}
.stat-label{font-size:13px;color:var(--ink-2);}
.stat-note{margin-top:8px;font-size:13px;line-height:1.7;color:var(--ink-2);}

/* ===================== 按钮 ===================== */
.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;line-height:1.2;border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--pine);border-color:var(--pine);color:var(--card);}
.btn-primary:hover{background:var(--clay);border-color:var(--clay);color:#fff;}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink);}
.btn-ghost:hover{background:var(--card);border-color:var(--clay);color:var(--clay);}
.btn-accent{background:var(--clay);border-color:var(--clay);color:#fff;}
.btn-accent:hover{background:var(--pine);border-color:var(--pine);color:var(--card);}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--pine);}
.text-link span{transition:transform var(--ease);}
.text-link:hover{color:var(--clay);}
.text-link:hover span{transform:translateX(3px);}

/* ===================== 板块 ===================== */
.section{padding:72px 0;}
.section-tight{padding:56px 0 68px;}
.section-alt{background:var(--paper-deep);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;padding-bottom:18px;margin-bottom:30px;border-bottom:1px solid var(--line-strong);}
.sec-sub{margin-top:8px;font-size:15px;color:var(--ink-2);max-width:44em;}
.sec-meta{font-size:13px;color:var(--ink-2);white-space:nowrap;font-variant-numeric:tabular-nums;}

/* ===================== 筛选胶囊 ===================== */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.chip{
  height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);
  background:var(--card);color:var(--ink-2);font-size:14px;
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.chip:hover{border-color:var(--clay);color:var(--clay);}
.chip.is-active{background:var(--pine);border-color:var(--pine);color:var(--card);}

/* ===================== 专题目录卡 ===================== */
.topic-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding-bottom:40px;}
.topic-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--clay);}
.topic-cover{display:block;overflow:hidden;aspect-ratio:16/10;background:var(--card);}
.topic-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.topic-card:hover .topic-cover img{transform:scale(1.03);}
.topic-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.topic-body h3{font-size:19px;font-weight:600;line-height:1.4;}
.topic-body h3 a:hover{color:var(--clay);}
.topic-body p{
  font-size:14.5px;line-height:1.7;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.topic-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums;
}
.topic-no{font-weight:600;color:var(--clay);letter-spacing:1px;}
.topic-card.offset{margin-top:40px;}
.topic-lead{grid-column:1 / -1;display:grid;grid-template-columns:5fr 7fr;}
.topic-lead .topic-cover{aspect-ratio:auto;height:100%;min-height:270px;}
.topic-lead .topic-body{padding:28px;gap:12px;}
.topic-lead h3{font-size:22px;}
.topic-lead p{font-size:15px;-webkit-line-clamp:3;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 8px;width:max-content;
  font-size:12px;border-radius:var(--radius-badge);
  background:rgba(232,180,159,.32);color:var(--clay);border:1px solid rgba(196,81,45,.22);
}
.badge-soft{background:var(--card);color:var(--ink-2);border-color:var(--line);}

/* ===================== 精选索引 ===================== */
.index-list{border-top:1px solid var(--line);}
.index-row{
  display:grid;grid-template-columns:52px minmax(0,1fr) auto auto 28px;align-items:center;gap:18px;
  min-height:76px;padding:14px 8px;border-bottom:1px solid var(--line);
  transition:background var(--ease),box-shadow var(--ease);
}
.index-row:hover{background:var(--card);box-shadow:inset 3px 0 0 var(--clay);}
.index-no{font-size:12px;color:var(--clay);letter-spacing:1px;font-variant-numeric:tabular-nums;}
.index-main a{font-size:16.5px;font-weight:600;color:var(--ink);}
.index-row:hover .index-main a{color:var(--clay);}
.index-main p{font-size:13.5px;color:var(--ink-2);margin-top:2px;}
.index-tag{font-size:12px;color:var(--ink-2);border:1px solid var(--line);border-radius:var(--radius-badge);padding:2px 8px;white-space:nowrap;}
.index-row time{font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums;white-space:nowrap;}
.index-arrow{color:var(--clay);transition:transform var(--ease);text-align:right;}
.index-row:hover .index-arrow{transform:translateX(3px);}

/* ===================== 手风琴 FAQ ===================== */
.acc{border-top:1px solid var(--line);}
.acc-item{border-bottom:1px solid var(--line);}
.acc-head{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;text-align:left;font-size:18px;font-weight:600;color:var(--ink);
  transition:color var(--ease);
}
.acc-head:hover{color:var(--pine-2);}
.acc-head::before{
  content:"";position:absolute;left:-14px;top:50%;width:3px;height:0;background:var(--clay);
  transform:translateY(-50%);transition:height var(--ease);
}
.acc-item.is-open .acc-head::before{height:24px;}
.acc-icon{position:relative;width:22px;height:22px;flex:0 0 auto;}
.acc-icon::before,.acc-icon::after{content:"";position:absolute;background:var(--clay);border-radius:2px;transition:transform var(--ease);}
.acc-icon::before{left:0;right:0;top:10px;height:2px;}
.acc-icon::after{top:0;bottom:0;left:10px;width:2px;}
.acc-item.is-open .acc-icon::after{transform:scaleY(0);}
.acc-body{display:none;padding:0 4px 20px;max-width:52em;font-size:15.5px;line-height:1.8;color:var(--ink-2);}
.acc-item.is-open .acc-body{display:block;}

/* ===================== 横向轨道 ===================== */
.rail{display:flex;gap:20px;overflow-x:auto;padding:4px 4px 18px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:999px;}
.rail-card{
  flex:0 0 calc((100% - 40px) / 2.5);min-width:264px;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rail-card:hover{transform:translateY(-3px);border-color:var(--clay);box-shadow:var(--shadow-hover);}
.rail-cover{aspect-ratio:16/10;overflow:hidden;background:var(--card);}
.rail-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.rail-card:hover .rail-cover img{transform:scale(1.03);}
.rail-body{padding:16px 18px 18px;}
.rail-body h3{font-size:17px;margin-top:10px;}
.rail-body h3 a:hover{color:var(--clay);}
.rail-body p{font-size:13.5px;line-height:1.7;color:var(--ink-2);margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ===================== CTA 收藏/分享 ===================== */
.cta-band{background:var(--pine);color:var(--card);padding:56px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{color:var(--card);}
.cta-inner p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(255,253,248,.78);max-width:36em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-band .btn-primary{background:var(--card);border-color:var(--card);color:var(--pine);}
.cta-band .btn-primary:hover{background:var(--clay);border-color:var(--clay);color:#fff;}
.cta-band .btn-ghost{border-color:rgba(255,253,248,.5);color:var(--card);}
.cta-band .btn-ghost:hover{background:rgba(255,253,248,.12);border-color:var(--card);color:var(--card);}
.copy-tip{min-height:20px;margin-top:14px;font-size:13px;color:var(--clay-soft);}

/* ===================== 页脚 ===================== */
.site-footer{background:var(--pine);color:rgba(255,253,248,.86);padding:56px 0 24px;}
.footer-grid{display:grid;grid-template-columns:5fr 2fr 2fr 3fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(255,253,248,.06);border-color:rgba(255,253,248,.45);}
.footer-brand .brand-mark i:nth-child(1){background:rgba(255,253,248,.5);}
.footer-brand .brand-mark i:nth-child(2){border-color:var(--clay-soft);}
.footer-brand .brand-mark i:nth-child(3){background:rgba(255,253,248,.35);}
.footer-brand .brand-line1{color:var(--card);}
.footer-brand .brand-line2{color:rgba(255,253,248,.68);}
.footer-desc{font-size:14px;line-height:1.8;max-width:32em;color:rgba(255,253,248,.78);}
.footer-domain{margin-top:12px;font-size:13px;letter-spacing:1px;color:var(--clay-soft);}
.footer-title{font-size:13px;letter-spacing:2px;color:var(--card);margin-bottom:14px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:rgba(255,253,248,.82);}
.footer-links a:hover{color:var(--clay-soft);}
.field-label{display:block;font-size:13px;line-height:1.7;color:rgba(255,253,248,.82);margin-bottom:10px;}
.sub-row{display:flex;gap:8px;}
.sub-input{
  flex:1 1 auto;min-width:0;height:44px;padding:0 12px;font-size:14px;
  border-radius:var(--radius-btn);border:1px solid rgba(255,253,248,.28);
  background:rgba(255,253,248,.08);color:var(--card);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.sub-input::placeholder{color:rgba(255,253,248,.5);}
.sub-input:focus{outline:none;border-color:var(--clay-soft);box-shadow:0 0 0 3px rgba(196,81,45,.28);}
.sub-row .btn{min-height:44px;padding:0 18px;font-size:14px;flex:0 0 auto;}
.sub-tip{margin-top:10px;font-size:12.5px;line-height:1.7;color:rgba(255,253,248,.6);}
.sub-tip.is-error{color:var(--clay-soft);}
.sub-tip.is-ok{color:#9FD8C2;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,253,248,.16);
  font-size:13px;color:rgba(255,253,248,.62);
}

/* ===================== 响应式 ===================== */
@media (max-width:1023px){
  .nav-wrap{display:none;}
  .mobile-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;height:64px;}
  .mobile-bar .brand .brand-mark{width:34px;height:34px;}
  .mobile-bar .brand-line1{font-size:15px;}
  .mobile-bar .brand-line2{font-size:10px;letter-spacing:1.2px;}
  .mobile-menu{background:var(--card);border-top:1px solid var(--line);}
  .mobile-menu.is-open{display:block;}
  .mobile-menu a{
    display:flex;align-items:center;justify-content:space-between;
    min-height:48px;padding:0 4px;font-size:15px;color:var(--ink);
    border-bottom:1px solid var(--line);
  }
  .mobile-menu a span{color:var(--line-strong);}
  .mobile-menu a.is-active{font-weight:600;color:var(--pine);box-shadow:inset 3px 0 0 var(--clay);padding-left:14px;}
  .section{padding:52px 0;}
  .page-hero{padding:28px 0 48px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .rail-card{flex:0 0 calc((100% - 20px) / 2);}
}
@media (max-width:767px){
  .site-container{padding:0 16px;}
  .page-hero{padding:22px 0 40px;}
  .page-hero h1{font-size:clamp(1.85rem,6vw,2.4rem);}
  .hero-sub{font-size:16px;}
  .stat-panel{margin-top:26px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .topic-grid{grid-template-columns:1fr;padding-bottom:0;gap:18px;}
  .topic-card.offset{margin-top:0;}
  .topic-lead{grid-template-columns:1fr;}
  .topic-lead .topic-cover{aspect-ratio:16/10;min-height:0;}
  .topic-lead .topic-body{padding:20px;}
  .topic-lead h3{font-size:19px;}
  .index-row{grid-template-columns:40px 1fr;gap:6px 12px;align-items:start;padding:16px 4px;min-height:0;}
  .index-main{grid-column:2;}
  .index-tag{grid-column:2;justify-self:start;}
  .index-row time{grid-column:2;justify-self:start;}
  .index-arrow{display:none;}
  .acc-head{font-size:16.5px;padding:18px 2px;}
  .acc-head::before{left:-8px;}
  .acc-body{font-size:15px;}
  .rail-card{flex:0 0 82%;min-width:0;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .footer-brand{margin-bottom:12px;}
}
@media (max-width:575px){
  .hero-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .sub-row{flex-direction:column;}
  .sub-row .btn{width:100%;}
  .sec-meta{font-size:12.5px;}
  .topic-body h3{font-size:18px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
}