/* roulang page: index */
:root{
  --ink:#0D0F0E;
  --pine:#0F3A32;
  --pine-600:#14544A;
  --acid:#D8FA4B;
  --bone:#F6F5F1;
  --paper:#FFFFFF;
  --line:#E4E2DA;
  --muted:#6B716D;
  --copper:#C96A3B;
  --nav-h:60px;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-img:14px;
  --shadow-lift:0 18px 40px -24px rgba(13,15,14,.35);
  --ease:cubic-bezier(.22,1,.36,1);
}
@media (min-width:1024px){ :root{ --nav-h:72px; } }

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bone);color:var(--ink);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:1.0625rem;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.mono{font-family:ui-monospace,"SFMono-Regular","JetBrains Mono",Consolas,monospace;font-variant-numeric:tabular-nums}
.clamp-1{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){ .container-x{padding:0 32px} }

.section{padding:56px 0}
@media (min-width:1024px){ .section{padding:96px 0} }
.sec-paper{background:var(--paper)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;height:var(--nav-h);
  background:rgba(255,255,255,.9);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;height:100%;gap:24px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{position:relative;width:30px;height:30px;border-radius:9px;background:var(--ink);flex:none}
.logo-mark::after{content:"";position:absolute;left:9px;top:9px;width:12px;height:12px;border-radius:50%;background:var(--acid)}
.logo-text{font-size:1rem;font-weight:500;letter-spacing:-.01em;white-space:nowrap}
.logo-text b{font-weight:800}
@media (min-width:1024px){ .logo-text{font-size:1.0625rem} }

.nav-links{display:none;align-items:center;gap:28px;margin-left:6px}
.nav-link{position:relative;font-size:.9375rem;font-weight:500;color:var(--muted);padding:6px 0;white-space:nowrap;transition:color .25s ease}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--acid);transform:scaleX(0);transform-origin:left;transition:transform .2s ease}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}

.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.search{display:none;align-items:center;gap:8px;height:40px;width:280px;padding:0 12px;border-radius:999px;background:var(--bone);border:1px solid var(--line);transition:border-color .25s ease,box-shadow .25s ease}
.search svg{flex:none;color:var(--muted)}
.search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:.875rem}
.search input::placeholder{color:var(--muted)}
.search:focus-within{border-color:var(--pine);box-shadow:0 0 0 2px rgba(216,250,75,.42)}
kbd{font-family:ui-monospace,"SFMono-Regular","JetBrains Mono",Consolas,monospace;font-size:.6875rem;line-height:1;padding:4px 6px;border-radius:6px;background:var(--paper);border:1px solid var(--line);color:var(--muted)}
.nav-quiet{display:none;font-size:.9375rem;font-weight:500;color:var(--muted);transition:color .25s ease}
.nav-quiet:hover{color:var(--ink)}
@media (min-width:1024px){
  .nav-links{display:flex}
  .search{display:flex}
  .nav-quiet{display:inline-flex}
}
.burger{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--paper);cursor:pointer}
@media (min-width:1024px){ .burger{display:none} }

.drawer{
  position:fixed;inset:0;z-index:70;background:rgba(13,15,14,.96);color:#fff;
  display:flex;flex-direction:column;padding:20px;gap:18px;
  transform:translateY(-100%);opacity:0;visibility:hidden;
  transition:transform .24s var(--ease),opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:16px}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.25);background:transparent;color:#fff;cursor:pointer}
.drawer-search{display:flex;align-items:center;gap:8px;height:46px;padding:0 14px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16)}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;color:#fff;font-size:.9375rem}
.drawer-search input::placeholder{color:rgba(255,255,255,.5)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;height:44px;border-bottom:1px solid rgba(255,255,255,.1);font-size:1rem;color:rgba(255,255,255,.86)}
.drawer-nav a.is-active{color:var(--acid)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.drawer-foot .btn{width:100%;justify-content:center}

/* ---------- 倒计时条 ---------- */
.cd-bar{
  position:sticky;top:var(--nav-h);z-index:40;height:64px;overflow:hidden;
  background:var(--ink);color:#fff;display:flex;align-items:center;
  transition:height .3s var(--ease);
  box-shadow:inset 0 16px 24px -24px rgba(0,0,0,.9),inset 0 -16px 24px -24px rgba(0,0,0,.9);
}
.cd-bar.is-compact{height:48px}
.cd-inner{display:flex;align-items:center;gap:18px;width:100%;overflow-x:auto;scrollbar-width:none}
.cd-inner::-webkit-scrollbar{display:none}
.cd-label{flex:none;font-size:.6875rem;letter-spacing:.14em;color:rgba(255,255,255,.66);white-space:nowrap}
.cd-clock{display:flex;align-items:center;gap:6px;margin-left:auto;white-space:nowrap}
.cd-cell{display:flex;align-items:baseline;gap:4px;padding:5px 10px;border-radius:10px;background:rgba(255,255,255,.06)}
.cd-cell b{color:var(--acid);font-size:1.0625rem;font-weight:700;transition:opacity .1s linear}
.cd-cell b.is-flash{opacity:.35}
.cd-cell i{font-style:normal;font-size:.6875rem;color:rgba(255,255,255,.58)}
.cd-sep{color:rgba(255,255,255,.28)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff}
.hero-media{position:absolute;inset:0}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.6}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,15,14,.9) 0%,rgba(13,15,14,.62) 56%,rgba(13,15,14,.38) 100%)}
.hero-inner{position:relative;z-index:2;padding:64px 0}
@media (min-width:1024px){ .hero-inner{padding:112px 0} }
.hero-tag{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;background:rgba(216,250,75,.14);color:var(--acid);font-size:.75rem;letter-spacing:.08em;margin-bottom:22px}
.hero h1{
  font-size:clamp(1.75rem,7vw,2.4rem);font-weight:800;line-height:1.15;letter-spacing:-.02em;
  max-width:20ch;margin-bottom:16px;
}
@media (min-width:1024px){ .hero h1{font-size:clamp(2.2rem,5vw,4rem)} }
.hero-sub{font-size:1.0625rem;color:rgba(255,255,255,.78);max-width:34ch;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.hero-status{margin-top:26px;font-size:.75rem;letter-spacing:.1em;color:rgba(255,255,255,.6);display:inline-flex;align-items:center;gap:8px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--acid);display:inline-block}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius-btn);border:1.5px solid transparent;
  font-size:.9375rem;font-weight:600;cursor:pointer;
  transition:transform .35s var(--ease),background-color .35s var(--ease),color .35s var(--ease),filter .35s var(--ease),border-color .35s var(--ease);
}
.btn-primary{background:var(--acid);color:var(--ink);box-shadow:0 10px 26px -16px rgba(216,250,75,.95)}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px)}
.btn-ghost{background:var(--paper);border-color:rgba(13,15,14,.15);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-ghost-dark{background:transparent;border-color:rgba(255,255,255,.3);color:#fff}
.btn-ghost-dark:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;filter:none}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.dark :focus-visible,.hero :focus-visible,.drawer :focus-visible,.cta-band :focus-visible{outline-color:var(--acid)}

.text-link{display:inline-flex;align-items:center;gap:6px;font-size:.9375rem;font-weight:600;color:var(--ink);border-bottom:2px solid var(--acid);padding-bottom:2px;transition:gap .25s var(--ease)}
.text-link:hover{gap:12px}

/* ---------- 板块标题 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-index{display:block;font-size:.75rem;letter-spacing:.16em;color:var(--muted);margin-bottom:10px}
.sec-head h2{font-size:1.5rem;font-weight:700;line-height:1.25;letter-spacing:-.01em}
@media (min-width:1024px){ .sec-head h2{font-size:2rem} }
.sec-tick{display:block;width:24px;height:3px;border-radius:2px;background:var(--acid);margin-top:14px}
.sec-note{font-size:.875rem;color:var(--muted);max-width:42ch}

/* ---------- 活动卖点 ---------- */
.spot-list{border-top:1px solid var(--line)}
.spot-row{display:flex;align-items:center;gap:20px;padding:22px 16px;border-bottom:1px solid var(--line);transition:background-color .35s var(--ease)}
.spot-row:hover{background:var(--bone)}
.spot-num{flex:none;width:44px;font-size:.8125rem;color:var(--copper);letter-spacing:.08em}
.spot-body{flex:1;min-width:0}
.spot-body h3{font-size:1.15rem;font-weight:600;margin-bottom:4px}
.spot-body p{font-size:.9375rem;color:var(--muted);line-height:1.7}
.spot-arrow{flex:none;color:var(--pine);font-size:1.125rem;transition:transform .35s var(--ease)}
.spot-row:hover .spot-arrow{transform:translateX(4px)}
@media (max-width:640px){
  .spot-row{gap:14px;padding:18px 10px}
  .spot-num{width:34px}
  .spot-arrow{display:none}
}

/* ---------- 图墙 ---------- */
.wall{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.wall-item{position:relative;overflow:hidden;border-radius:var(--radius-card);border:1px solid var(--line);background:var(--pine)}
.wall-item img{width:100%;height:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease)}
.wall-item:hover img{transform:scale(1.04)}
.wall-item figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px 16px;background:linear-gradient(180deg,rgba(13,15,14,0) 0%,rgba(13,15,14,.82) 100%);color:#fff}
.wall-item figcaption h3{font-size:1rem;font-weight:600;display:inline}
.wall-item figcaption h3 span{background-image:linear-gradient(var(--acid),var(--acid));background-repeat:no-repeat;background-size:0% 2px;background-position:0 100%;transition:background-size .35s var(--ease)}
.wall-item:hover figcaption h3 span{background-size:100% 2px}
.wall-badge{position:absolute;left:14px;top:14px;display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:var(--acid);color:var(--ink);font-family:ui-monospace,Consolas,monospace;font-size:.75rem;font-weight:600}
.span-7{grid-column:span 7}
.span-5{grid-column:span 5}
.span-4{grid-column:span 4}
@media (max-width:1024px){
  .span-7,.span-5{grid-column:span 6}
  .span-4{grid-column:span 4}
}
@media (max-width:640px){
  .wall{grid-template-columns:1fr;gap:16px}
  .span-7,.span-5,.span-4{grid-column:span 1}
}

/* ---------- CTA 表单 ---------- */
.cta-band{
  position:relative;background:var(--ink);color:#fff;
  box-shadow:inset 0 16px 24px -24px rgba(0,0,0,.9),inset 0 -16px 24px -24px rgba(0,0,0,.9);
}
.cta-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:start}
@media (min-width:1024px){ .cta-grid{grid-template-columns:minmax(0,1fr) minmax(0,460px);gap:64px} }
.cta-band h2{font-size:1.5rem;font-weight:700;line-height:1.3;margin-bottom:16px}
@media (min-width:1024px){ .cta-band h2{font-size:2rem} }
.cta-band p.lead{color:rgba(255,255,255,.74);font-size:1rem;max-width:42ch;margin-bottom:24px}
.cta-points{display:flex;flex-direction:column;gap:12px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:.9375rem;color:rgba(255,255,255,.78)}
.cta-points li::before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:var(--acid);margin-top:11px}

.form-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-card);padding:24px}
.form-note{font-size:.75rem;letter-spacing:.06em;color:rgba(255,255,255,.55);text-align:right;margin-bottom:16px}
.form-row{margin-bottom:14px}
.form-label{display:block;font-size:.8125rem;color:rgba(255,255,255,.68);margin-bottom:6px}
.field{
  width:100%;height:48px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.07);color:#fff;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.field::placeholder{color:rgba(255,255,255,.42)}
.field:focus{outline:none;border-color:var(--acid);box-shadow:0 0 0 2px rgba(216,250,75,.35)}
select.field{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
  padding-right:38px;
}
select.field option{color:#0D0F0E}
.check{display:flex;align-items:flex-start;gap:10px;font-size:.8125rem;color:rgba(255,255,255,.7);line-height:1.6}
.check input{width:16px;height:16px;margin-top:5px;accent-color:#D8FA4B;flex:none}
.form-msg{font-size:.8125rem;margin-top:10px;min-height:18px}
.form-msg.ok{color:var(--acid)}
.form-msg.err{color:#F08A5D}

/* ---------- FAQ ---------- */
.faq-wrap{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:16px;
  padding:20px 4px;font-size:1.0625rem;font-weight:600;transition:color .25s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--pine)}
.chev{flex:none;color:var(--muted);transition:transform .2s ease}
.faq-item[open] .chev{transform:rotate(180deg)}
.faq-body{padding:0 4px 22px;color:var(--muted);font-size:1rem;line-height:1.85;animation:fadeUp .12s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:none}}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){ .news-grid{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1024px){ .news-grid{grid-template-columns:repeat(3,1fr)} }
.news-card{
  display:flex;gap:14px;padding:18px;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--radius-card);
  transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .5s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:rgba(15,58,50,.35)}
.news-thumb{flex:none;width:96px;height:72px;border-radius:var(--radius-img);overflow:hidden;background:var(--pine)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{min-width:0;display:flex;flex-direction:column;gap:6px}
.news-title{font-size:1rem;font-weight:600;line-height:1.5}
.news-sum{font-size:.875rem;color:var(--muted);line-height:1.65}
.news-time{font-size:.75rem;color:var(--muted);letter-spacing:.04em;margin-top:auto}
.badge{display:inline-flex;align-items:center;align-self:flex-start;height:24px;padding:0 10px;border-radius:999px;background:rgba(15,58,50,.1);color:var(--pine);font-family:ui-monospace,Consolas,monospace;font-size:.75rem;font-weight:600}
.badge-copper{background:rgba(201,106,59,.12);color:var(--copper)}

.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;
  padding:48px 20px;background:var(--paper);border:1px dashed var(--line);border-radius:var(--radius-card);
}
.empty-state svg{color:var(--pine);opacity:.6}
.empty-state p{font-size:.9375rem;color:var(--muted)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#fff;padding:56px 0 0;box-shadow:inset 0 16px 24px -24px rgba(0,0,0,.9)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:40px}
@media (min-width:768px){ .footer-grid{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr} }
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .logo-mark{background:#fff}
.footer-brand .logo-mark::after{background:var(--pine)}
.footer-brand span{font-size:1rem;font-weight:500}
.footer-brand span b{font-weight:800}
.footer-desc{font-size:.875rem;color:rgba(255,255,255,.6);max-width:32ch;line-height:1.75}
.footer-title{font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.5);margin-bottom:14px;font-family:ui-monospace,Consolas,monospace}
.footer-list li{line-height:40px}
.footer-list a{font-size:.9375rem;color:rgba(255,255,255,.8);transition:color .25s ease}
.footer-list a:hover{color:var(--acid)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:.8125rem;color:rgba(255,255,255,.5)}
.footer-bottom a{transition:color .25s ease}
.footer-bottom a:hover{color:var(--acid)}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .48s var(--ease),transform .48s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
  .reveal{opacity:1 !important;transform:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --ink:#0D0F0E;
  --pine:#0F3A32;
  --pine-600:#14544A;
  --lime:#D8FA4B;
  --bone:#F6F5F1;
  --paper:#FFFFFF;
  --line:#E4E2DA;
  --muted:#6B716D;
  --copper:#C96A3B;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-img:14px;
  --radius-pill:999px;
  --font-sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular","JetBrains Mono",Consolas,monospace;
  --container:1200px;
  --shadow-hover:0 18px 40px -24px rgba(13,15,14,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bone);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:1.0625rem;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,figure,blockquote,dl,dd{margin:0}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
::selection{background:var(--lime);color:var(--ink)}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}

.container-x{max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container-x{padding:0 32px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:60px}
@media (min-width:1024px){.header-inner{height:72px;gap:28px}}
.brand{display:flex;align-items:center;gap:10px;font-size:1rem;letter-spacing:-.01em;white-space:nowrap}
.brand b{font-weight:800}
.brand span.brand-text{font-weight:500}
.logo-mark{
  position:relative;width:26px;height:26px;border-radius:8px;background:var(--ink);
  display:inline-block;flex:none;
}
.logo-mark::after{
  content:"";position:absolute;left:8px;top:8px;width:10px;height:10px;border-radius:50%;background:var(--lime);
}
.nav-links{display:none}
@media (min-width:1024px){.nav-links{display:flex;align-items:center;gap:28px}}
.nav-link{
  position:relative;display:inline-block;padding:6px 0;font-size:.9375rem;color:#3C423F;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px}
.search-box{
  display:none;align-items:center;gap:8px;height:40px;width:280px;padding:0 12px;
  background:var(--bone);border:1px solid var(--line);border-radius:var(--radius-pill);
  transition:border-color .2s ease,box-shadow .2s ease;
}
@media (min-width:1280px){.search-box{display:flex}}
.search-box:focus-within{border-color:var(--pine);box-shadow:0 0 0 2px rgba(216,250,75,.4)}
.search-box svg{width:16px;height:16px;flex:none;stroke:var(--muted)}
.search-box input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:.875rem;
}
.search-box input::placeholder{color:var(--muted)}
.search-box kbd{
  font-family:var(--font-mono);font-size:.6875rem;line-height:1;color:var(--muted);
  border:1px solid var(--line);background:#fff;border-radius:6px;padding:4px 6px;
}
.quick-link{
  display:none;font-size:.875rem;color:#3C423F;padding-bottom:2px;
  border-bottom:2px solid transparent;transition:color .2s ease,border-color .2s ease;
}
@media (min-width:768px){.quick-link{display:inline-block}}
.quick-link:hover{color:var(--ink);border-color:var(--lime)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);font-weight:600;font-size:.9375rem;
  padding:12px 22px;transition:transform .2s ease,background .25s ease,color .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.btn-sm{padding:9px 16px;font-size:.875rem}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 9px 22px -14px rgba(13,15,14,.6)}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px)}
.btn-ghost{background:var(--paper);color:var(--ink);border:1.5px solid rgba(13,15,14,.15)}
.btn-ghost:hover{background:var(--ink);color:var(--bone);border-color:var(--ink)}
.btn-dark{background:var(--ink);color:var(--bone)}
.btn-dark:hover{background:var(--pine)}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:default;transform:none;filter:none}
.menu-toggle{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
  border:1px solid var(--line);border-radius:10px;background:#fff;
}
@media (min-width:1024px){.menu-toggle{display:none}}
.menu-toggle span{display:block;width:16px;height:1.5px;background:var(--ink);position:relative}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--ink);
}
.menu-toggle span::before{top:-5px}
.menu-toggle span::after{top:5px}
.drawer{
  position:fixed;inset:0;z-index:60;background:rgba(13,15,14,.96);color:var(--bone);
  padding:20px;display:flex;flex-direction:column;gap:18px;
  opacity:0;pointer-events:none;transform:translateY(-8px);
  transition:opacity .24s ease,transform .24s ease;
}
.drawer.is-open{opacity:1;pointer-events:auto;transform:translateY(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:40px;height:40px;border:1px solid rgba(246,245,241,.25);border-radius:10px;color:var(--bone);font-size:1.25rem;line-height:1}
.drawer-search{display:flex;align-items:center;gap:8px;background:rgba(246,245,241,.08);border:1px solid rgba(246,245,241,.16);border-radius:var(--radius-btn);padding:10px 12px}
.drawer-search input{flex:1;background:transparent;border:0;outline:none;color:var(--bone);font-size:.9375rem}
.drawer-search input::placeholder{color:rgba(246,245,241,.5)}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;height:44px;border-bottom:1px solid rgba(246,245,241,.12);font-size:1rem;color:rgba(246,245,241,.9)}
.drawer-nav a.is-active{color:var(--lime)}
.drawer-cta{margin-top:auto}

/* ---------- 文章头部 ---------- */
.article-head{padding:32px 0 8px}
@media (min-width:1024px){.article-head{padding:48px 0 12px}}
.breadcrumb{
  display:flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:.75rem;
  color:var(--muted);overflow:hidden;white-space:nowrap;
}
.breadcrumb a{color:var(--muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb .crumb-current{color:#3C423F;overflow:hidden;text-overflow:ellipsis}
.article-title{
  margin-top:20px;font-size:1.75rem;line-height:1.15;font-weight:800;letter-spacing:-.02em;
  max-width:860px;
}
@media (min-width:768px){.article-title{font-size:2.2rem}}
@media (min-width:1024px){.article-title{font-size:2.9rem}}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-top:20px;
  font-size:.8125rem;color:var(--muted);
}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--radius-pill);
  font-family:var(--font-mono);font-size:.75rem;line-height:1;
}
.badge-pine{background:rgba(15,58,50,.1);color:var(--pine)}
.badge-copper{background:rgba(201,106,59,.12);color:var(--copper)}
.badge-lime{background:var(--lime);color:var(--ink)}
.rule-line{height:1px;background:var(--line);margin-top:28px}

/* ---------- 文章主体 ---------- */
.article-wrap{padding:40px 0 72px}
@media (min-width:1024px){.article-wrap{padding:56px 0 96px}}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,760px) 200px;justify-content:center;gap:56px}
}
.mobile-toc{border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;margin-bottom:28px;overflow:hidden}
@media (min-width:1024px){.mobile-toc{display:none}}
.mobile-toc summary{
  list-style:none;cursor:pointer;padding:14px 18px;font-weight:600;font-size:.9375rem;
  display:flex;align-items:center;justify-content:space-between;
}
.mobile-toc summary::-webkit-details-marker{display:none}
.mobile-toc .toc-list{padding:0 18px 14px}
.article-panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px 20px}
@media (min-width:768px){.article-panel{padding:40px 44px}}
.article-body{font-size:1.0625rem;line-height:1.9;color:#1A1E1C}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;margin:1.9em 0 .7em;padding-left:14px;
  font-size:1.5rem;font-weight:700;line-height:1.25;letter-spacing:-.01em;
}
@media (min-width:768px){.article-body h2{font-size:1.75rem;margin-top:2.1em}}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;background:var(--lime);border-radius:2px;
}
.article-body h3{margin:1.6em 0 .6em;font-size:1.15rem;font-weight:600;line-height:1.4}
.article-body a{
  color:var(--pine);
  text-decoration:underline;text-decoration-color:rgba(216,250,75,.95);
  text-decoration-thickness:2px;text-underline-offset:4px;
}
.article-body a:hover{color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.3em}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body li{margin-bottom:.6em}
.article-body img{margin:1.6em 0;border-radius:var(--radius-img);width:100%}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;background:var(--bone);
  border-left:3px solid var(--pine);border-radius:0 12px 12px 0;color:#33383A;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body pre{
  margin:1.6em 0;padding:16px 18px;background:var(--bone);border:1px solid var(--line);
  border-radius:12px;overflow:auto;font-family:var(--font-mono);font-size:.875rem;line-height:1.7;
}
.article-body code{font-family:var(--font-mono);font-size:.875em;background:var(--bone);padding:2px 6px;border-radius:6px}
.article-body pre code{background:none;padding:0}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:.9375rem}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:var(--bone);font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}

/* 目录 */
.toc-aside{display:none}
@media (min-width:1024px){.toc-aside{display:block}}
.toc-inner{position:sticky;top:96px}
.toc-title{
  font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.18em;color:var(--muted);
  text-transform:uppercase;margin-bottom:12px;
}
.toc-list a{
  display:block;padding:6px 0 6px 12px;font-size:.8125rem;color:var(--muted);
  border-left:2px solid var(--line);line-height:1.5;
  transition:color .2s ease,border-color .2s ease;
}
.toc-list a:hover{color:var(--ink)}
.toc-list a.is-current{color:var(--ink);border-color:var(--lime);font-weight:600}
.toc-empty{font-size:.8125rem;color:var(--muted)}

/* 文末操作 */
.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  margin-top:36px;padding-top:24px;border-top:1px solid var(--line);
}
.article-foot .hint{font-size:.8125rem;color:var(--muted)}

/* 相关推荐 */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-index{
  font-family:var(--font-mono);font-size:.75rem;letter-spacing:.18em;color:var(--muted);display:block;margin-bottom:10px;
}
.section-title{font-size:1.5rem;font-weight:700;line-height:1.25;letter-spacing:-.01em}
@media (min-width:768px){.section-title{font-size:2rem}}
.title-bar{display:block;width:24px;height:3px;background:var(--lime);border-radius:2px;margin-top:12px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:.9375rem;font-weight:600;
  border-bottom:2px solid var(--lime);padding-bottom:2px;text-underline-offset:4px;
}
.text-link .arrow{transition:transform .2s ease}
.text-link:hover .arrow{transform:translateX(4px)}
.related-list{display:grid;grid-template-columns:1fr;gap:12px}
@media (min-width:768px){.related-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}}
.related-item{
  display:flex;gap:14px;align-items:center;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--radius-card);padding:14px;
  transition:transform .5s cubic-bezier(.22,1,.36,1),border-color .3s ease,box-shadow .5s ease;
}
.related-item:hover{transform:translateY(-4px);border-color:rgba(15,58,50,.3);box-shadow:var(--shadow-hover)}
.related-item img{width:84px;height:48px;object-fit:cover;border-radius:10px;flex:none}
.related-item h3{font-size:.9375rem;font-weight:600;line-height:1.4}
.related-item .mono{display:block;margin-top:6px;font-size:.75rem;color:var(--muted)}

/* 深色 CTA */
.cta-band{background:var(--ink);color:var(--bone);padding:56px 0;box-shadow:inset 0 16px 16px -16px rgba(0,0,0,.6),inset 0 -16px 16px -16px rgba(0,0,0,.6)}
@media (min-width:1024px){.cta-band{padding:88px 0}}
.cta-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media (min-width:1024px){.cta-grid{grid-template-columns:1.1fr .9fr;gap:56px}}
.cta-band h2{font-size:1.5rem;font-weight:700;line-height:1.3}
@media (min-width:768px){.cta-band h2{font-size:2rem}}
.cta-band p{margin-top:14px;color:rgba(246,245,241,.72);font-size:.9375rem;max-width:520px}
.status-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.status-chip{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.06);
  border:1px solid rgba(246,245,241,.14);border-radius:var(--radius-pill);
  padding:7px 14px;font-family:var(--font-mono);font-size:.75rem;color:rgba(246,245,241,.85);
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block}
.dot-copper{background:var(--copper)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn-primary{box-shadow:0 0 0 0 rgba(216,250,75,.5),0 12px 30px -16px rgba(216,250,75,.7)}
.cta-band .btn-ghost{background:transparent;color:var(--bone);border-color:rgba(246,245,241,.28)}
.cta-band .btn-ghost:hover{background:var(--bone);color:var(--ink);border-color:var(--bone)}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:880px}
.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-weight:600;font-size:1rem;transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--bone)}
.faq-item .chev{width:12px;height:12px;flex:none;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);transition:transform .2s ease}
.faq-item[open] .chev{transform:rotate(-135deg)}
.faq-answer{padding:0 22px 22px;color:#3C423F;font-size:.9375rem;animation:fadeUp .12s ease both}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}

/* 空态 */
.empty-state{
  text-align:center;padding:64px 20px;background:var(--paper);
  border:1px dashed var(--line);border-radius:var(--radius-card);
}
.empty-state .icon{
  width:44px;height:44px;margin:0 auto 16px;border:2px solid var(--pine);border-radius:12px;position:relative;
}
.empty-state .icon::after{
  content:"";position:absolute;left:50%;top:50%;width:16px;height:2px;background:var(--pine);transform:translate(-50%,-50%);
}
.empty-state p{color:var(--muted);font-size:.9375rem;margin-bottom:18px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--bone);padding:56px 0 28px;box-shadow:inset 0 16px 16px -16px rgba(0,0,0,.6)}
@media (min-width:1024px){.site-footer{padding:80px 0 32px}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:1rem;margin-bottom:14px}
.footer-brand b{font-weight:800}
.footer-brand .logo-mark{background:var(--bone)}
.footer-desc{color:rgba(246,245,241,.62);font-size:.875rem;max-width:360px;line-height:1.8}
.footer-title{
  font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.18em;
  color:rgba(246,245,241,.5);margin-bottom:14px;font-weight:400;
}
.footer-list li{line-height:40px}
.footer-list a{color:rgba(246,245,241,.82);font-size:.875rem;transition:color .2s ease}
.footer-list a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(246,245,241,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:.8125rem;color:rgba(246,245,241,.5);
}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .48s ease,transform .48s cubic-bezier(.22,1,.36,1)}
.reveal.is-in-view{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none !important;animation:none !important}
  .reveal{opacity:1;transform:none}
  .related-item:hover,.btn:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --ink:#0D0F0E;
  --pine:#0F3A32;
  --pine-600:#14544A;
  --lime:#D8FA4B;
  --bone:#F6F5F1;
  --paper:#FFFFFF;
  --line:#E4E2DA;
  --muted:#6B716D;
  --copper:#C96A3B;
  --r-card:18px;
  --r-btn:12px;
  --r-img:14px;
  --shadow-hover:0 18px 40px -24px rgba(13,15,14,.35);
  --ease:cubic-bezier(.22,1,.36,1);
  --mono:ui-monospace,"SFMono-Regular","JetBrains Mono",Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bone);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:1.0625rem;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,p{margin:0}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:4px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container-x{padding:0 32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.9);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;height:60px}
@media (min-width:1024px){.header-inner{height:72px;gap:32px}}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-text{font-size:1rem;font-weight:500;letter-spacing:-.01em;white-space:nowrap}
.brand-text b{font-weight:800;letter-spacing:-.02em}
.logo-mark{
  position:relative;width:26px;height:26px;border-radius:8px;background:var(--ink);flex:none;
}
.logo-mark::after{
  content:"";position:absolute;top:50%;right:5px;width:9px;height:9px;border-radius:50%;
  background:var(--lime);transform:translateY(-50%);
}
.nav-links{display:none}
@media (min-width:1024px){.nav-links{display:flex;align-items:center;gap:28px}}
.nav-link{
  position:relative;font-size:.9375rem;color:var(--ink);padding:6px 0;
  transition:color 200ms var(--ease);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform 200ms var(--ease);
}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}

.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.cmd-search{display:none}
@media (min-width:1280px){
  .cmd-search{
    display:flex;align-items:center;gap:8px;width:280px;height:40px;padding:0 12px;
    background:var(--bone);border:1px solid var(--line);border-radius:999px;
    transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
  }
  .cmd-search:focus-within{border-color:var(--pine);box-shadow:0 0 0 2px rgba(216,250,75,.4)}
}
.cmd-search input{
  border:0;background:transparent;outline:none;width:100%;font-size:.875rem;
}
.cmd-search input::placeholder{color:var(--muted)}
.cmd-search .kbd{
  font-family:var(--mono);font-size:.6875rem;line-height:1;color:var(--muted);
  background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:4px 6px;flex:none;
}
.link-quiet{display:none}
@media (min-width:1024px){.link-quiet{display:inline-flex;font-size:.9375rem;color:var(--muted)}}
.link-quiet:hover{color:var(--ink)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1.5px solid transparent;border-radius:var(--r-btn);font-weight:700;
  padding:0 20px;height:44px;font-size:.9375rem;cursor:pointer;
  transition:transform 300ms var(--ease),background 300ms var(--ease),color 300ms var(--ease),filter 300ms var(--ease),border-color 300ms var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 10px 26px -18px rgba(216,250,75,.9)}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px)}
.btn-ghost{background:var(--paper);border-color:rgba(13,15,14,.15);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--bone)}
.btn-line{background:transparent;border-color:rgba(246,245,241,.3);color:var(--bone)}
.btn-line:hover{background:var(--bone);color:var(--ink)}
.btn-sm{height:38px;padding:0 16px;font-size:.875rem}

.menu-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:var(--paper);cursor:pointer;
}
.menu-toggle span{display:block;height:2px;width:18px;margin:0 auto;background:var(--ink);border-radius:2px}
@media (min-width:1024px){.menu-toggle{display:none}}

/* ---------- mobile drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:80;background:rgba(13,15,14,.96);color:var(--bone);
  padding:20px;display:flex;flex-direction:column;gap:18px;
  opacity:0;visibility:hidden;transition:opacity 240ms var(--ease),visibility 240ms var(--ease);
}
.mobile-drawer.is-open{opacity:1;visibility:visible}
.drawer-top{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:42px;height:42px;border-radius:12px;border:1px solid rgba(246,245,241,.24);
  background:transparent;color:var(--bone);font-size:1.25rem;cursor:pointer;line-height:1;
}
.drawer-search input{
  width:100%;height:48px;border-radius:999px;border:1px solid rgba(246,245,241,.2);
  background:rgba(255,255,255,.06);color:var(--bone);padding:0 18px;outline:none;
}
.drawer-search input::placeholder{color:rgba(246,245,241,.55)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-link{
  display:flex;align-items:center;height:44px;font-size:1rem;
  border-bottom:1px solid rgba(246,245,241,.12);color:rgba(246,245,241,.85);
}
.drawer-link.is-active{color:var(--lime);font-weight:700}
.drawer-cta{margin-top:auto;width:100%;background:var(--lime);color:var(--ink)}

/* ---------- hero (窄幅深色) ---------- */
.hero-idx{
  position:relative;background:var(--ink);color:var(--bone);overflow:hidden;
}
.hero-inner{
  display:grid;grid-template-columns:1fr;gap:28px;align-items:center;
  padding:36px 0 40px;
}
@media (min-width:768px){.hero-inner{grid-template-columns:1.05fr .95fr;padding:32px 0}}
.crumb{font-size:.75rem;color:rgba(246,245,241,.55);margin-bottom:14px}
.hero-idx h1{
  font-size:clamp(1.75rem,7vw,2.4rem);
  font-weight:800;line-height:1.16;letter-spacing:-.02em;
}
@media (min-width:1024px){.hero-idx h1{font-size:clamp(2rem,3.4vw,2.6rem)}}
.hero-lead{margin-top:14px;color:rgba(246,245,241,.72);font-size:1rem;line-height:1.75;max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.hero-figure{position:relative;border-radius:var(--r-img);overflow:hidden;height:200px}
@media (min-width:768px){.hero-figure{height:236px}}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(13,15,14,.8) 0%,rgba(13,15,14,.4) 100%);
}
@media (max-width:767px){.hero-figure::after{background:linear-gradient(0deg,rgba(13,15,14,.72) 0%,rgba(13,15,14,.35) 100%)}}

/* ---------- section ---------- */
.sec{padding:56px 0}
@media (min-width:1024px){.sec{padding:96px 0}}
.sec-tight{padding:48px 0}
@media (min-width:1024px){.sec-tight{padding:72px 0}}
.sec-head{max-width:720px;margin-bottom:32px}
.sec-head .idx{
  display:block;font-family:var(--mono);font-size:.8125rem;color:var(--pine);
  letter-spacing:.12em;margin-bottom:10px;
}
.sec-head h2{
  font-size:1.5rem;font-weight:700;line-height:1.3;letter-spacing:-.01em;
}
@media (min-width:1024px){.sec-head h2{font-size:2rem}}
.sec-head .rule{display:block;width:24px;height:3px;background:var(--lime);margin-top:14px;border-radius:2px}
.sec-head p{margin-top:14px;color:var(--muted);font-size:.9375rem;line-height:1.8}

/* ---------- 行式索引列表 ---------- */
.row-list{border-top:1px solid var(--line)}
.row-item{
  display:grid;grid-template-columns:1fr;gap:14px;
  padding:18px 14px;border-bottom:1px solid var(--line);
  transition:background 400ms var(--ease);
}
@media (min-width:640px){
  .row-item{grid-template-columns:160px 1fr 28px;gap:24px;align-items:center;padding:20px 16px}
}
.row-item:hover{background:var(--paper)}
.row-thumb{width:100%;height:170px;object-fit:cover;border-radius:var(--r-img)}
@media (min-width:640px){.row-thumb{width:160px;height:100px}}
.row-body h3{font-size:1.05rem;font-weight:600;line-height:1.5}
.row-body p{margin-top:6px;color:var(--muted);font-size:.875rem;line-height:1.7}
.row-arrow{
  font-family:var(--mono);color:var(--pine);font-size:1.125rem;
  transition:transform 300ms var(--ease);
}
.row-item:hover .row-arrow{transform:translateX(4px)}
@media (max-width:639px){.row-arrow{display:none}}

/* ---------- 流程 ---------- */
.steps{display:grid;gap:0;border-top:1px solid var(--line)}
.step{
  display:grid;grid-template-columns:56px 1fr;gap:18px;
  padding:22px 12px;border-bottom:1px solid var(--line);
  transition:background 400ms var(--ease);
}
.step:hover{background:var(--paper)}
.step-num{font-family:var(--mono);font-weight:700;color:var(--pine);font-size:.9375rem;padding-top:4px}
.step h3{font-size:1.05rem;font-weight:600}
.step p{margin-top:6px;color:var(--muted);font-size:.9rem}

/* ---------- 要点对照 ---------- */
.spec-wrap{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;transition:box-shadow 500ms var(--ease),border-color 500ms var(--ease)
}
@media (min-width:1024px){.spec-wrap{padding:32px}}
.spec-grid{display:grid;grid-template-columns:1fr;gap:0 44px}
@media (min-width:768px){.spec-grid{grid-template-columns:1fr 1fr}}
.spec-item{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding:15px 0;border-bottom:1px solid var(--line);
}
.spec-key{font-family:var(--mono);font-size:.75rem;color:var(--muted);letter-spacing:.06em;white-space:nowrap}
.spec-val{font-weight:600;font-size:.9375rem;text-align:right}

/* ---------- CTA ---------- */
.cta-block{
  background:var(--ink);color:var(--bone);border-radius:24px;
  padding:32px 22px;display:grid;gap:22px;
  box-shadow:inset 0 16px 40px -30px rgba(0,0,0,.9);
}
@media (min-width:768px){
  .cta-block{grid-template-columns:1.2fr .8fr;align-items:center;padding:44px 40px;gap:32px}
}
.cta-block h2{font-size:1.5rem;font-weight:700;line-height:1.35}
@media (min-width:1024px){.cta-block h2{font-size:1.875rem}}
.cta-block p{margin-top:12px;color:rgba(246,245,241,.72);font-size:.9375rem;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media (min-width:768px){.cta-actions{justify-content:flex-end}}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:768px){.rel-grid{grid-template-columns:1fr 1fr}}
.rel-card{
  display:flex;align-items:center;gap:16px;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;transition:transform 500ms var(--ease),box-shadow 500ms var(--ease),border-color 500ms var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(15,58,50,.3)}
.rel-card img{width:72px;height:72px;object-fit:cover;border-radius:var(--r-img);flex:none}
.rel-card h3{font-size:1rem;font-weight:600}
.rel-card p{margin-top:4px;color:var(--muted);font-size:.8125rem}
.rel-card .go{margin-left:auto;font-family:var(--mono);color:var(--pine)}

/* ---------- footer ---------- */
.site-footer{
  margin-top:56px;background:var(--ink);color:var(--bone);padding:48px 0 24px;
  box-shadow:inset 0 16px 40px -30px rgba(0,0,0,.9);
}
@media (min-width:1024px){.site-footer{padding:64px 0 28px}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:1rem}
.footer-brand b{font-weight:800}
.footer-brand .logo-mark{background:var(--bone)}
.footer-desc{margin-top:14px;color:rgba(246,245,241,.62);font-size:.875rem;max-width:320px}
.footer-title{
  font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;
  color:rgba(246,245,241,.5);font-weight:600;margin-bottom:12px;
}
.footer-list li{line-height:40px}
.footer-list a{font-size:.9rem;color:rgba(246,245,241,.82);transition:color 200ms var(--ease)}
.footer-list a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:36px;padding-top:18px;border-top:1px solid rgba(246,245,241,.12);
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  color:rgba(246,245,241,.5);font-size:.8125rem;
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px)}
.reveal.is-in{
  opacity:1;transform:none;
  transition:opacity 480ms var(--ease),transform 480ms var(--ease);
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none}
  .reveal.is-in{transition:none}
  html{scroll-behavior:auto}
  *{transition-duration:1ms !important;animation-duration:1ms !important}
}

/* roulang page: category2 */
:root{
  --ink:#0D0F0E;
  --pine:#0F3A32;
  --pine-600:#14544A;
  --lime:#D8FA4B;
  --bone:#F6F5F1;
  --paper:#FFFFFF;
  --line:#E4E2DA;
  --muted:#6B716D;
  --copper:#C96A3B;
  --font-sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular","JetBrains Mono",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bone);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:1.0625rem;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ul,ol{margin:0}
ul,ol{list-style:none;padding:0}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container-x{padding:0 32px}}
::selection{background:var(--lime);color:var(--ink)}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:6px}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-bar{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-size:1.0625rem;white-space:nowrap}
.logo-mark{
  position:relative;width:28px;height:28px;border-radius:9px;
  background:var(--ink);flex:0 0 auto;display:inline-block;
}
.logo-mark::after{
  content:"";position:absolute;inset:0;margin:auto;
  width:10px;height:10px;border-radius:999px;background:var(--lime);
}
.logo-text{font-weight:400;color:var(--ink)}
.logo-text b{font-weight:800;letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:12px}
.nav-link{
  position:relative;font-size:.9375rem;color:var(--muted);
  padding:8px 0;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;width:280px;padding:0 12px 0 14px;
  background:var(--bone);border:1px solid var(--line);border-radius:999px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--pine);box-shadow:0 0 0 2px rgba(216,250,75,.4)}
.nav-search svg{flex:0 0 auto;color:var(--muted)}
.nav-search input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;
  font-size:.875rem;color:var(--ink);
}
.nav-search input::placeholder{color:var(--muted)}
.kbd{
  font-family:var(--font-mono);font-size:11px;line-height:1;
  padding:4px 6px;border:1px solid var(--line);border-radius:6px;
  background:#fff;color:var(--muted);white-space:nowrap;
}
.nav-quick{font-size:.9375rem;color:var(--muted);white-space:nowrap;transition:color .2s ease}
.nav-quick:hover{color:var(--ink)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;font-weight:600;line-height:1;
  padding:14px 24px;font-size:.9375rem;
  transition:transform .35s cubic-bezier(.22,1,.36,1),background-color .25s ease,color .25s ease,border-color .25s ease,box-shadow .3s ease,filter .25s ease;
  cursor:pointer;white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--ink);border:1px solid var(--lime)}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-dark{background:var(--ink);color:#fff;border:1px solid var(--ink)}
.btn-dark:hover{background:var(--pine);border-color:var(--pine);transform:translateY(-1px)}
.btn-outline{background:#fff;color:var(--ink);border:1.5px solid rgba(13,15,14,.15)}
.btn-outline:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-1px)}
.btn-sm{padding:11px 18px;font-size:.875rem}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:default;transform:none;filter:none;box-shadow:none}
.mobile-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  align-items:center;justify-content:center;background:#fff;
}
.mobile-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.mobile-toggle span::before,.mobile-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.mobile-toggle span::before{top:-6px}
.mobile-toggle span::after{top:6px}
.drawer{
  position:fixed;inset:0;z-index:60;background:rgba(13,15,14,.96);
  display:flex;flex-direction:column;padding:22px 20px 26px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease;
}
.drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer .logo-text,.drawer .drawer-close{color:#fff}
.drawer-close{width:44px;height:44px;border:1px solid rgba(255,255,255,.2);border-radius:12px;color:#fff;font-size:1.25rem;line-height:1}
.drawer-search{
  display:flex;align-items:center;gap:10px;height:48px;padding:0 16px;
  border-radius:12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
  margin-bottom:20px;
}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;color:#fff;font-size:.9375rem}
.drawer-search input::placeholder{color:rgba(255,255,255,.5)}
.drawer-search svg{color:rgba(255,255,255,.6)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  color:rgba(255,255,255,.82);line-height:44px;font-size:1rem;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-nav a.is-active{color:var(--lime)}
.drawer-cta{margin-top:auto;padding-top:20px}
.drawer-cta .btn{width:100%}
@media(max-width:1023px){
  .nav-bar{height:60px}
  .nav-links,.nav-search,.nav-quick,.nav-right .btn{display:none}
  .mobile-toggle{display:inline-flex;margin-left:auto}
}
@media(min-width:1024px){
  .drawer{display:none}
}

/* ===== hero ===== */
.hero{padding:56px 0 48px;position:relative;overflow:hidden}
@media(min-width:1024px){.hero{padding:80px 0 64px}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media(min-width:1024px){.hero-grid{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--pine);background:rgba(15,58,50,.08);
  padding:7px 14px;border-radius:999px;margin-bottom:20px;
}
.eyebrow i{width:6px;height:6px;border-radius:999px;background:var(--copper);display:inline-block}
h1.hero-title{
  font-size:clamp(1.75rem,7vw,2.4rem);
  font-weight:800;letter-spacing:-.02em;line-height:1.15;
}
@media(min-width:1024px){h1.hero-title{font-size:clamp(2.2rem,5vw,4rem)}}
.hero-sub{margin-top:18px;font-size:1.0625rem;color:var(--muted);max-width:36em}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px}
.hero-meta{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:10px 22px;
  font-family:var(--font-mono);font-size:.8125rem;color:var(--muted);
}
.hero-media{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line);background:var(--pine)}
.hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.hero-media figcaption{
  position:absolute;left:14px;bottom:14px;
  font-family:var(--font-mono);font-size:.75rem;color:var(--ink);
  background:var(--lime);padding:6px 12px;border-radius:999px;
}
.hero-count{
  position:absolute;right:16px;top:16px;
  font-family:var(--font-mono);font-size:.75rem;color:#fff;
  background:rgba(13,15,14,.72);border:1px solid rgba(255,255,255,.18);
  padding:7px 12px;border-radius:999px;
}

/* ===== sections ===== */
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:104px 0}}
.section-tight{padding:44px 0}
@media(min-width:1024px){.section-tight{padding:64px 0}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.sec-num{
  display:block;font-family:var(--font-mono);font-size:.8125rem;
  letter-spacing:.18em;color:var(--muted);margin-bottom:10px;
}
.sec-title{font-size:1.5rem;font-weight:700;line-height:1.25;letter-spacing:-.01em}
@media(min-width:1024px){.sec-title{font-size:2rem}}
.sec-rule{width:24px;height:3px;background:var(--lime);margin-top:14px;border-radius:2px}
.sec-side{font-family:var(--font-mono);font-size:.8125rem;color:var(--muted);white-space:nowrap;padding-bottom:6px}
.sec-desc{margin-top:12px;color:var(--muted);max-width:52em}

/* ===== fact cards ===== */
.facts{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:640px){.facts{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.facts{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}}
.fact{
  background:var(--paper);border:1px solid var(--line);border-radius:18px;
  padding:22px;transition:border-color .5s cubic-bezier(.22,1,.36,1),transform .5s cubic-bezier(.22,1,.36,1),box-shadow .5s cubic-bezier(.22,1,.36,1);
}
.fact:hover{border-color:rgba(15,58,50,.3);transform:translateY(-4px);box-shadow:0 18px 40px -24px rgba(13,15,14,.35)}
.fact-key{font-family:var(--font-mono);font-size:.75rem;color:var(--muted);letter-spacing:.12em;text-transform:uppercase}
.fact-val{margin-top:12px;font-size:1.0625rem;font-weight:600;color:var(--ink)}
.fact-note{margin-top:8px;font-size:.875rem;color:var(--muted);line-height:1.7}

/* ===== card grid ===== */
.card-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}}
.card{
  display:flex;flex-direction:column;
  background:var(--paper);border:1px solid var(--line);border-radius:18px;
  overflow:hidden;
  transition:border-color .5s cubic-bezier(.22,1,.36,1),transform .5s cubic-bezier(.22,1,.36,1),box-shadow .5s cubic-bezier(.22,1,.36,1);
}
.card:hover{border-color:rgba(15,58,50,.3);transform:translateY(-4px);box-shadow:0 18px 40px -24px rgba(13,15,14,.35)}
.card-media{position:relative;overflow:hidden;background:var(--pine);margin:0}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,1,.36,1)}
.card:hover .card-media img{transform:scale(1.04)}
.ratio-43 img{aspect-ratio:4/3}
.ratio-1610 img{aspect-ratio:16/10}
.card-media .badge{position:absolute;left:14px;top:14px}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-title{font-size:1.15rem;font-weight:600;line-height:1.4}
.card-text{font-size:.9375rem;color:var(--muted);line-height:1.75}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.card-time{font-family:var(--font-mono);font-size:.75rem;color:var(--muted)}
.card-arrow{
  width:30px;height:30px;border-radius:999px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink);
  transition:transform .35s cubic-bezier(.22,1,.36,1),background-color .3s ease,border-color .3s ease;
}
.card:hover .card-arrow{background:var(--lime);border-color:var(--lime);transform:translateX(4px)}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:999px;font-family:var(--font-mono);font-size:12px;line-height:1;
  background:rgba(15,58,50,.1);color:var(--pine);white-space:nowrap;
}
.badge-copper{background:rgba(201,106,59,.12);color:var(--copper)}
.badge-lime{background:var(--lime);color:var(--ink)}

/* ===== rule bar ===== */
.rule-bar{
  background:var(--lime);color:var(--ink);
  border-radius:14px;padding:16px 22px;
  display:flex;align-items:center;gap:14px;
  font-size:.9375rem;font-weight:600;line-height:1.6;
}
.rule-bar span:first-child{
  flex:0 0 auto;font-family:var(--font-mono);font-size:.75rem;letter-spacing:.14em;
  border-right:1px solid rgba(13,15,14,.25);padding-right:14px;
}
@media(max-width:640px){
  .rule-bar{flex-direction:column;align-items:flex-start;gap:8px}
  .rule-bar span:first-child{border-right:0;border-bottom:1px solid rgba(13,15,14,.25);padding:0 0 8px}
}

/* ===== flow ===== */
.flow{display:grid;grid-template-columns:1fr;gap:0;border-top:1px solid var(--line)}
@media(min-width:768px){.flow{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:40px}}
.flow-item{
  display:flex;gap:18px;padding:24px 0;border-bottom:1px solid var(--line);
  align-items:flex-start;transition:background-color .3s ease;
}
.flow-item:hover{background:rgba(246,245,241,.9)}
.flow-num{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;
  background:var(--pine);color:var(--lime);
  font-family:var(--font-mono);font-size:.875rem;
  display:inline-flex;align-items:center;justify-content:center;
}
.flow-title{font-size:1.05rem;font-weight:600}
.flow-text{margin-top:6px;font-size:.9375rem;color:var(--muted);line-height:1.75}

/* ===== cta ===== */
.cta-block{
  background:var(--ink);color:#fff;border-radius:24px;overflow:hidden;
  padding:36px 22px;
  box-shadow:inset 0 16px 24px -24px rgba(0,0,0,.9),inset 0 -16px 24px -24px rgba(0,0,0,.9);
}
@media(min-width:1024px){.cta-block{padding:60px 56px}}
.cta-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:1024px){.cta-grid{grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:64px;align-items:start}}
.cta-block h2{font-size:1.5rem;font-weight:700;line-height:1.3;color:#fff}
@media(min-width:1024px){.cta-block h2{font-size:2rem}}
.cta-copy{margin-top:16px;color:rgba(255,255,255,.72);font-size:1rem;max-width:34em}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.cta-points li{display:flex;gap:12px;align-items:flex-start;color:rgba(255,255,255,.86);font-size:.9375rem}
.cta-points li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;border-radius:999px;background:var(--lime);margin-top:9px;
}
.form-card{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
  border-radius:18px;padding:24px;
}
.form-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.form-head h3{font-size:1.05rem;font-weight:600;color:#fff}
.form-head span{font-family:var(--font-mono);font-size:.6875rem;color:rgba(255,255,255,.55)}
.field{margin-bottom:16px}
.field label{display:block;font-size:.8125rem;color:rgba(255,255,255,.7);margin-bottom:8px}
.field input,.field select{
  width:100%;height:46px;padding:0 14px;border-radius:12px;
  background:var(--bone);border:1px solid transparent;color:var(--ink);
  outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:var(--muted)}
.field input:focus,.field select:focus{border-color:var(--lime);box-shadow:0 0 0 2px rgba(216,250,75,.35)}
.field .hint{margin-top:6px;font-size:.75rem;color:rgba(255,255,255,.45)}
.check{display:flex;align-items:flex-start;gap:10px;margin:6px 0 20px;font-size:.8125rem;color:rgba(255,255,255,.72);line-height:1.6}
.check input{width:18px;height:18px;margin-top:3px;accent-color:#D8FA4B;flex:0 0 auto}
.check a{color:var(--lime);text-decoration:underline;text-underline-offset:3px}
.form-card .btn-primary{width:100%}
.form-card .btn-primary:hover{box-shadow:0 10px 26px -12px rgba(216,250,75,.7)}

/* ===== faq ===== */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;font-size:1.05rem;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--pine)}
.faq-chevron{
  flex:0 0 auto;width:26px;height:26px;border-radius:999px;
  border:1px solid var(--line);position:relative;
  transition:transform .2s ease,background-color .2s ease,border-color .2s ease;
}
.faq-chevron::before,.faq-chevron::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink);
  transform:translate(-50%,-50%);
}
.faq-chevron::before{width:10px;height:1.5px}
.faq-chevron::after{width:1.5px;height:10px;transition:opacity .2s ease}
.faq-item[open] .faq-chevron{transform:rotate(90deg);background:var(--lime);border-color:var(--lime)}
.faq-item[open] .faq-chevron::after{opacity:0}
.faq-body{padding:0 0 24px;max-width:56em;color:var(--muted);font-size:.9375rem;line-height:1.85}
.faq-item[open] .faq-body{animation:faqIn .12s ease both}
@keyframes faqIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

/* ===== back link block ===== */
.back-block{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  background:var(--paper);border:1px solid var(--line);border-radius:18px;
  padding:24px;
}
.back-block h2{font-size:1.15rem;font-weight:600}
.back-block p{margin-top:8px;font-size:.9375rem;color:var(--muted)}
.back-links{display:flex;flex-wrap:wrap;gap:10px}
.link-lime{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.9375rem;font-weight:600;color:var(--ink);
  border-bottom:2px solid var(--lime);padding-bottom:3px;
  transition:transform .3s cubic-bezier(.22,1,.36,1);
}
.link-lime:hover{transform:translateX(4px)}

/* ===== footer ===== */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:56px 0 26px;margin-top:56px}
@media(min-width:1024px){.site-footer{padding:80px 0 30px;margin-top:104px}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:1.0625rem;color:#fff}
.footer-brand b{font-weight:800}
.footer-desc{margin-top:16px;font-size:.9375rem;line-height:1.8;color:rgba(255,255,255,.6);max-width:30em}
.footer-title{
  font-family:var(--font-mono);font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;
  color:rgba(255,255,255,.5);margin-bottom:16px;font-weight:500;
}
.footer-list li{line-height:40px}
.footer-list a{color:rgba(255,255,255,.78);font-size:.9375rem;transition:color .2s ease}
.footer-list a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:.8125rem;color:rgba(255,255,255,.5);
}

/* ===== reveal ===== */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .48s cubic-bezier(.22,1,.36,1),transform .48s cubic-bezier(.22,1,.36,1)}
.reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}