/* roulang page: index */
:root{
  --ink:#0E2420;
  --ink-soft:#16332D;
  --accent:#C7F04A;
  --accent-deep:#B4DE33;
  --accent-soft:rgba(199,240,74,.18);
  --warn:#FF6B4A;
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --line:#E4E0D6;
  --muted:#5C6663;
  --light:#F2F0E9;
  --r-card:14px;
  --r-btn:8px;
  --r-img:12px;
  --r-badge:6px;
  --r-input:8px;
  --shadow-hover:0 12px 28px rgba(14,36,32,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --side-w:248px;
  --maxw:1280px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--ink-soft)}
button{font-family:inherit}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;line-height:1.12;margin:0}
h1{font-size:clamp(2.2rem,4.6vw,4rem)}
h2{font-size:clamp(1.6rem,2.6vw,2.4rem)}
h3{font-size:1.25rem;line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ============ shell ============ */
.app-side{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:var(--ink);color:var(--light);
  display:flex;flex-direction:column;
  border-right:1px solid rgba(255,255,255,.08);
  z-index:1040;
}
.side-logo{
  height:88px;display:flex;align-items:center;gap:12px;
  padding:0 24px;border-bottom:1px solid rgba(255,255,255,.08);flex:0 0 auto;
}
.logo-mark{
  width:32px;height:32px;border-radius:9px;flex:0 0 auto;
  background:var(--accent);color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:15px;letter-spacing:-.04em;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:15px;font-weight:800;letter-spacing:-.01em;color:var(--light)}
.logo-text span{font-size:11.5px;color:rgba(242,240,233,.6);letter-spacing:.08em}
.side-nav{padding:18px 0;display:flex;flex-direction:column;flex:1 1 auto;overflow-y:auto}
.side-link{
  position:relative;display:flex;align-items:center;
  min-height:48px;padding:0 24px;font-size:15px;font-weight:500;
  color:rgba(242,240,233,.82);
  transition:background .22s var(--ease),color .22s var(--ease);
}
.side-link::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  background:var(--accent);transform:scaleY(0);transform-origin:top;
  transition:transform .22s var(--ease);
}
.side-link:hover{background:rgba(255,255,255,.08);color:var(--light)}
.side-link:hover::before{transform:scaleY(1)}
.side-link.active{background:rgba(255,255,255,.06);color:var(--accent);font-weight:600}
.side-link.active::before{transform:scaleY(1)}
.side-foot{padding:20px 24px 24px;border-top:1px solid rgba(255,255,255,.08);flex:0 0 auto}
.side-note{margin-top:12px;font-size:12px;color:rgba(242,240,233,.55);line-height:1.6}
.side-foot .btn-primary{width:100%;justify-content:center}

.app-main{
  margin-left:var(--side-w);min-height:100vh;
  display:flex;flex-direction:column;
}

/* topbar for small screens */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;
  align-items:center;justify-content:space-between;padding:0 16px;
  background:rgba(247,245,239,.88);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);z-index:1050;
}
.topbar .logo-text b{color:var(--ink)}
.topbar .logo-text span{color:var(--muted)}
.burger{
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--surface);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;cursor:pointer;padding:0;
}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease)}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.scrim{
  position:fixed;inset:0;background:rgba(14,36,32,.5);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease);z-index:1035;
}
.scrim.show{opacity:1;visibility:visible}

/* ============ shared ============ */
.shell{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,4vw,64px)}
.section{padding:110px 0}
.section.tight{padding:72px 0}
.section-head{margin-bottom:36px}
.eyebrow{
  display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.14em;
  color:var(--ink);background:var(--accent);border-radius:var(--r-badge);
  padding:5px 10px;margin-bottom:14px;
}
.lead{color:var(--muted);font-size:1.0625rem;max-width:62ch;margin-top:14px}
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);border:0;
  background:var(--accent);color:var(--ink);font-weight:700;font-size:15px;
  cursor:pointer;transition:background .2s var(--ease),transform .2s var(--ease);
}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-2px);color:var(--ink)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  background:transparent;border:1.5px solid var(--ink);color:var(--ink);
  font-weight:700;font-size:15px;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{background:var(--ink);color:var(--light);transform:translateY(-2px)}
.link-text{
  display:inline-block;color:var(--ink);font-weight:600;
  padding-bottom:3px;
  background-image:linear-gradient(currentColor,currentColor);
  background-size:0 1px;background-repeat:no-repeat;background-position:left bottom;
  transition:background-size .22s var(--ease),color .22s var(--ease);
}
.link-text:hover{background-size:100% 1px;color:var(--accent-deep)}
.link-text.on-dark{color:var(--light)}
.link-text.on-dark:hover{color:var(--accent)}
.imgframe{position:relative;overflow:hidden;border-radius:var(--r-img);background:rgba(14,36,32,.08)}
.imgframe img{width:100%;height:100%;object-fit:cover}

.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.js .reveal.in{opacity:1;transform:none}

/* ============ hero ============ */
.hero{
  position:relative;background:var(--surface);
  border-bottom:1px solid var(--line);
}
.hero-grid{
  display:grid;grid-template-columns:55fr 45fr;gap:clamp(28px,4vw,64px);
  align-items:center;min-height:660px;padding:72px 0;
}
.hero-copy h1{margin-bottom:20px}
.hero-copy h1 em{font-style:normal;position:relative;white-space:nowrap}
.hero-copy h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;
  background:var(--accent-soft);z-index:-1;border-radius:3px;
}
.hero-sub{font-size:1.125rem;color:var(--muted);max-width:52ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px 40px;margin-top:40px;padding-top:26px;border-top:1px solid var(--line)}
.hero-stats div{min-width:110px}
.hero-stats b{display:block;font-size:1.5rem;font-weight:800;letter-spacing:-.02em}
.hero-stats span{font-size:.8125rem;color:var(--muted)}
.hero-visual{position:relative;border-radius:var(--r-img);overflow:hidden;min-height:420px;height:100%}
.hero-visual img{width:100%;height:100%;object-fit:cover;min-height:420px}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(14,36,32,.45),rgba(14,36,32,.72));
}
.hero-visual .accent-line{
  position:absolute;left:-30px;bottom:56px;width:150%;height:1px;
  background:var(--accent);opacity:.85;transform:rotate(-9deg);z-index:2;
}
.hero-visual .dots{
  position:absolute;right:22px;top:22px;width:78px;height:78px;z-index:2;
  background-image:radial-gradient(var(--accent) 1.5px,transparent 1.5px);
  background-size:13px 13px;opacity:.55;
}

/* ============ advantage ============ */
.adv-grid{display:grid;grid-template-columns:38fr 62fr;gap:clamp(28px,4vw,72px);align-items:start}
.adv-big{
  background:var(--ink);color:var(--light);border-radius:var(--r-card);
  padding:40px 34px;position:sticky;top:24px;
}
.adv-big .bignum{font-size:4rem;font-weight:900;color:var(--accent);line-height:1;letter-spacing:-.04em}
.adv-big h3{color:var(--light);margin:16px 0 12px;font-size:1.4rem}
.adv-big p{color:rgba(242,240,233,.72);font-size:.9375rem}
.adv-big .btn-primary{margin-top:24px}
.adv-list{border-top:1px solid var(--line)}
.adv-item{
  display:flex;gap:22px;align-items:flex-start;
  padding:26px 18px;border-bottom:1px solid var(--line);
  transition:background .22s var(--ease),padding-left .22s var(--ease);
}
.adv-item:hover{background:var(--accent-soft);padding-left:28px}
.adv-item .idx{font-size:.875rem;font-weight:800;color:var(--muted);letter-spacing:.08em;padding-top:4px}
.adv-item h3{margin-bottom:8px;transition:color .22s var(--ease)}
.adv-item:hover h3{color:var(--ink-soft)}
.adv-item p{color:var(--muted);font-size:.9375rem;max-width:56ch}
.adv-arrow{margin-left:auto;color:var(--muted);flex:0 0 auto;transition:transform .22s var(--ease),color .22s var(--ease);padding-top:6px}
.adv-item:hover .adv-arrow{transform:translateX(4px);color:var(--ink)}

/* ============ scenes ============ */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,64px);align-items:center;margin-bottom:88px}
.scene:last-of-type{margin-bottom:0}
.scene.reverse .scene-media{order:2}
.scene-media{border-radius:var(--r-img);overflow:hidden;height:340px;background:rgba(14,36,32,.08)}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.scene-media:hover img{transform:scale(1.04)}
.scene h3{margin-bottom:14px;font-size:clamp(1.25rem,1.9vw,1.6rem)}
.scene p{color:var(--muted);font-size:.9375rem;margin-bottom:10px}
.steps{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.step{
  display:inline-flex;align-items:center;gap:8px;font-size:.8125rem;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-badge);
  padding:8px 12px;color:var(--ink);font-weight:600;
}
.step i{font-style:normal;width:18px;height:18px;border-radius:50%;background:var(--accent);color:var(--ink);font-size:11px;display:flex;align-items:center;justify-content:center;font-weight:800}

/* ============ social ============ */
.trust{background:var(--ink);color:var(--light);border-radius:var(--r-card);padding:clamp(32px,4vw,56px)}
.trust h2{color:var(--light)}
.trust .lead{color:rgba(242,240,233,.7)}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin:40px 0 44px}
.metric b{display:block;font-size:clamp(1.8rem,3vw,2.6rem);font-weight:900;color:var(--accent);letter-spacing:-.03em;line-height:1.05}
.metric span{display:block;margin-top:8px;font-size:.875rem;color:rgba(242,240,233,.68)}
.logo-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.logo-tile{
  border:1px solid rgba(255,255,255,.14);border-radius:10px;
  padding:16px 10px;text-align:center;cursor:default;
  filter:grayscale(1);opacity:.62;
  transition:filter .24s var(--ease),opacity .24s var(--ease),border-color .24s var(--ease);
}
.logo-tile:hover{filter:grayscale(0);opacity:1;border-color:var(--accent)}
.logo-tile svg{display:block;margin:0 auto 8px;width:22px;height:22px;stroke:var(--accent);fill:none;stroke-width:1.6}
.logo-tile span{font-size:.75rem;color:rgba(242,240,233,.85)}
.quotes{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:36px}
.quote{position:relative;padding-left:44px;font-size:.9375rem;color:rgba(242,240,233,.82)}
.quote::before{
  content:"“";position:absolute;left:0;top:-14px;font-size:4.4rem;line-height:1;
  color:var(--accent);opacity:.12;font-weight:900;
}
.quote cite{display:block;margin-top:8px;font-style:normal;font-size:.8125rem;color:rgba(242,240,233,.5)}

/* ============ news ============ */
.news-head{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-end;justify-content:space-between}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0 32px}
.chip{
  font-size:.8125rem;font-weight:600;padding:8px 14px;border-radius:var(--r-badge);
  border:1px solid var(--line);background:var(--surface);color:var(--muted);
  transition:all .2s var(--ease);cursor:pointer;
}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.chip.active{background:var(--ink);border-color:var(--ink);color:var(--accent)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D6D0C2}
.news-cover{display:block;position:relative;aspect-ratio:16/10;background:rgba(14,36,32,.08)}
.news-cover img{transition:transform .3s var(--ease)}
.news-card:hover .news-cover img{transform:scale(1.04)}
.badge-cat{
  position:absolute;left:12px;top:12px;z-index:2;
  background:var(--ink);color:var(--accent);
  font-size:.75rem;font-weight:700;letter-spacing:.04em;
  padding:5px 10px;border-radius:var(--r-badge);
}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto}
.news-body h3{font-size:1.125rem;font-weight:700;line-height:1.4;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a{transition:color .2s var(--ease)}
.news-card:hover .news-body h3 a{color:var(--accent-deep)}
.news-body p{font-size:.875rem;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;padding-top:16px;display:flex;justify-content:space-between;align-items:center;font-size:.8125rem;color:var(--muted)}
.news-meta time{font-variant-numeric:tabular-nums}
.empty-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.empty-card{
  min-height:240px;border:1px dashed #CFC9BB;border-radius:var(--r-card);
  background:rgba(255,255,255,.5);display:flex;align-items:center;justify-content:center;
  color:var(--muted);font-size:.875rem;
}
.empty-note{margin-top:16px;color:var(--muted);font-size:.875rem}

/* ============ faq ============ */
.faq-grid{display:grid;grid-template-columns:38fr 62fr;gap:clamp(28px,4vw,72px);align-items:start}
.faq-side{position:sticky;top:24px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 4px;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--ink-soft)}
.faq-sign{position:relative;width:14px;height:14px;flex:0 0 auto}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.faq-sign::before{left:0;top:6px;width:14px;height:2px}
.faq-sign::after{left:6px;top:0;width:2px;height:14px}
.faq-item.open .faq-sign::after{transform:rotate(90deg)}
.faq-item.open .faq-sign::before{background:var(--accent-deep)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq-a p{padding:0 44px 22px 4px;font-size:.9375rem;line-height:1.8;color:var(--muted)}

/* ============ cta ============ */
.cta-band{
  background:var(--ink);color:var(--light);border-radius:var(--r-card);
  padding:clamp(36px,5vw,64px);display:grid;grid-template-columns:1fr auto;
  gap:32px;align-items:center;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;
  border:1px solid rgba(199,240,74,.35);border-radius:50%;
}
.cta-band h2{color:var(--light);margin-bottom:12px}
.cta-band p{color:rgba(242,240,233,.72);max-width:56ch;font-size:.9375rem}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}
.btn-on-dark{
  display:inline-flex;align-items:center;height:48px;padding:0 24px;border-radius:var(--r-btn);
  border:1.5px solid rgba(242,240,233,.5);background:transparent;color:var(--light);
  font-weight:700;font-size:15px;transition:background .2s var(--ease),color .2s var(--ease);
}
.btn-on-dark:hover{background:var(--light);color:var(--ink)}

/* ============ footer ============ */
.site-foot{background:var(--ink);color:var(--light);margin-top:96px;border-top:1px solid rgba(255,255,255,.12)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:36px;padding:64px 0 40px}
.foot-brand .logo-text b{color:var(--light)}
.foot-brand p{margin-top:16px;font-size:.875rem;color:rgba(242,240,233,.62);max-width:34ch}
.foot-contact{margin-top:18px;font-size:.8125rem;color:rgba(242,240,233,.55);line-height:1.9}
.site-foot h4{font-size:.8125rem;letter-spacing:.12em;color:rgba(242,240,233,.5);margin-bottom:18px;font-weight:700}
.foot-links li{margin-bottom:12px}
.foot-links a{font-size:.9375rem;color:rgba(242,240,233,.85);
  background-image:linear-gradient(var(--accent),var(--accent));
  background-size:0 1px;background-repeat:no-repeat;background-position:left bottom;
  padding-bottom:2px;transition:background-size .22s var(--ease),color .22s var(--ease);}
.foot-links a:hover{color:var(--accent);background-size:100% 1px}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(242,240,233,.45);
}

/* ============ conversion bar ============ */
.convert-bar{
  position:fixed;left:0;right:0;bottom:0;height:64px;z-index:1060;
  display:none;align-items:center;justify-content:space-between;gap:14px;
  padding:0 16px calc(0px + env(safe-area-inset-bottom));
  background:rgba(14,36,32,.92);backdrop-filter:blur(10px);
  color:var(--light);opacity:0;transform:translateY(12px);
  transition:opacity .26s var(--ease),transform .26s var(--ease);
}
.convert-bar.show{opacity:1;transform:none}
.convert-bar p{font-size:.875rem;color:rgba(242,240,233,.85);margin:0}
.convert-bar .btn-primary{height:44px;padding:0 18px;font-size:14px}
.float-card{
  position:fixed;right:24px;bottom:24px;width:320px;z-index:1060;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-hover);padding:22px;display:none;
  opacity:0;transform:translateY(12px);
  transition:opacity .26s var(--ease),transform .26s var(--ease);
}
.float-card.show{opacity:1;transform:none}
.float-card h4{font-size:1rem;margin-bottom:8px}
.float-card p{font-size:.875rem;color:var(--muted);margin-bottom:16px}
.float-close{
  position:absolute;right:10px;top:10px;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);background:var(--surface);color:var(--muted);
  cursor:pointer;line-height:1;font-size:15px;
}
.float-close:hover{color:var(--ink);border-color:var(--ink)}

/* ============ responsive ============ */
@media (max-width:1199.98px){
  .app-side{transform:translateX(-100%);transition:transform .26s var(--ease);width:min(84vw,340px)}
  .app-side.open{transform:none}
  .app-main{margin-left:0;padding-top:64px;padding-bottom:80px}
  .topbar{display:flex}
  .hero-grid{grid-template-columns:1fr;min-height:0;padding:52px 0 64px}
  .hero-visual{min-height:320px}
  .hero-visual img{min-height:320px}
  .adv-grid{grid-template-columns:1fr}
  .adv-big{position:static}
  .faq-grid{grid-template-columns:1fr}
  .faq-side{position:static}
  .convert-bar{display:flex}
  .float-card.show{display:none}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .logo-wall{grid-template-columns:repeat(3,1fr)}
  .news-grid,.empty-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;padding:48px 0 32px}
  .scene{grid-template-columns:1fr;margin-bottom:56px}
  .scene.reverse .scene-media{order:0}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .section{padding:60px 0}
  .quotes{grid-template-columns:1fr}
  .news-grid,.empty-grid{grid-template-columns:1fr}
  .logo-wall{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:575.98px){
  .hero-stats{gap:18px 24px}
  .hero-stats div{min-width:90px}
  .metrics{grid-template-columns:1fr 1fr;gap:18px}
  .foot-grid{grid-template-columns:1fr}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn-primary,.cta-actions .btn-on-dark{justify-content:center}
  .hero-actions .btn-primary,.hero-actions .btn-ghost{width:100%;justify-content:center}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --ink:#0E2420;
  --ink-soft:#16332D;
  --accent:#C7F04A;
  --accent-soft:rgba(199,240,74,.18);
  --warn:#FF6B4A;
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --line:#E4E0D6;
  --muted:#5C6663;
  --radius-card:14px;
  --radius-btn:8px;
  --radius-img:12px;
  --radius-badge:6px;
  --shadow-hover:0 12px 28px rgba(14,36,32,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --side-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  padding-bottom:96px;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;
}
h1,h2,h3,h4{letter-spacing:-.02em;line-height:1.14;font-weight:800;margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}

/* ---------- 左侧 App Shell ---------- */
.side-shell{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:var(--ink);color:#F2F0E9;
  display:flex;flex-direction:column;z-index:60;
  border-right:1px solid rgba(255,255,255,.08);
}
.side-head{
  height:88px;display:flex;align-items:center;gap:12px;
  padding:0 20px;border-bottom:1px solid rgba(255,255,255,.08);
}
.logo-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:9px;
  background:var(--accent);color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:13px;letter-spacing:.02em;
}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text b{font-size:15px;font-weight:800;color:#F2F0E9;letter-spacing:-.01em}
.logo-text span{font-size:11px;color:rgba(242,240,233,.55);letter-spacing:.04em}
.side-nav{flex:1;padding:18px 0;display:flex;flex-direction:column}
.side-link{
  position:relative;display:flex;align-items:center;
  min-height:48px;padding:10px 20px 10px 24px;
  font-size:15px;font-weight:500;color:rgba(242,240,233,.78);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.side-link::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;
  background:var(--accent);transform:scaleY(0);transform-origin:center;
  transition:transform .22s var(--ease);
}
.side-link:hover{background:rgba(255,255,255,.08);color:#fff}
.side-link:hover::before{transform:scaleY(1)}
.side-link.active{background:rgba(255,255,255,.06);color:var(--accent)}
.side-link.active::before{transform:scaleY(1)}
.side-foot{padding:16px 20px 20px;border-top:1px solid rgba(255,255,255,.08)}
.btn-side{
  display:flex;align-items:center;justify-content:center;
  width:100%;height:48px;border-radius:var(--radius-btn);
  background:var(--accent);color:var(--ink);font-weight:700;font-size:15px;
  transition:transform .18s var(--ease),background .18s var(--ease);
}
.btn-side:hover{background:#B9E23C;transform:translateY(-2px);color:var(--ink)}
.btn-side:active{transform:translateY(0)}
.side-note{margin-top:12px;font-size:11.5px;color:rgba(242,240,233,.5);line-height:1.6}

/* ---------- 移动端顶栏 + 抽屉 ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:70;height:64px;
  align-items:center;justify-content:space-between;
  padding:0 16px;background:rgba(247,245,239,.86);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.topbar-brand{display:flex;align-items:center;gap:10px}
.topbar-brand b{font-size:15px;font-weight:800}
.burger{
  width:44px;height:44px;border:1px solid var(--line);background:var(--surface);
  border-radius:10px;display:flex;flex-direction:column;justify-content:center;
  align-items:center;gap:5px;cursor:pointer;padding:0;
}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,36,32,.5);opacity:0;visibility:hidden;
  transition:opacity .22s var(--ease),visibility .22s var(--ease);z-index:80;
}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:min(84vw,340px);
  background:var(--ink);color:#F2F0E9;z-index:90;
  transform:translateX(-102%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;
}
.drawer.open{transform:translateX(0)}
.drawer .side-nav{padding-top:14px}

/* ---------- 主内容 ---------- */
.main-wrap{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column}
.container-x{width:100%;max-width:1280px;margin:0 auto;padding:0 clamp(20px,4vw,64px)}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);padding:28px 0 0;
}
.crumb a{color:var(--muted);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--ink)}
.crumb .sep{color:#C3BFB3}
.crumb .now{color:var(--muted)}

.cat-hero{padding:16px 0 0}
.cat-hero h1{margin-top:16px;font-size:clamp(2rem,3.6vw,3rem);font-weight:900;max-width:22ch}
.lede{margin-top:16px;font-size:clamp(1rem,1.3vw,1.125rem);color:var(--muted);max-width:62ch;line-height:1.7}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 12px;
  border-radius:var(--radius-badge);background:var(--surface);
  border:1px solid var(--line);font-size:12px;font-weight:600;
  letter-spacing:.04em;color:var(--ink);
}
.tag.accent{background:var(--accent-soft);border-color:transparent;color:var(--ink)}
.banner{
  margin-top:28px;position:relative;border-radius:var(--radius-card);overflow:hidden;
  background:rgba(14,36,32,.08);aspect-ratio:21/7;min-height:180px;
}
.banner img{width:100%;height:100%;object-fit:cover}
.banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,36,32,.72),rgba(14,36,32,.16));
}
.banner-txt{
  position:absolute;left:clamp(18px,3vw,40px);bottom:clamp(18px,3vw,32px);
  right:clamp(18px,3vw,40px);color:#F2F0E9;z-index:2;
}
.banner-txt b{display:block;font-size:clamp(1.05rem,1.7vw,1.35rem);font-weight:800}
.banner-txt span{display:block;margin-top:6px;font-size:13.5px;color:rgba(242,240,233,.78);max-width:52ch}

.section{padding:clamp(56px,7vw,104px) 0 0}
.sec-title{font-size:clamp(1.5rem,2.4vw,2.1rem);font-weight:800}
.sec-sub{margin-top:12px;color:var(--muted);max-width:60ch}

/* 锚点 + 长文布局 */
.doc-layout{
  display:grid;grid-template-columns:220px minmax(0,1fr);gap:56px;
  align-items:start;margin-top:40px;
}
.anchor-nav{position:sticky;top:24px}
.anchor-nav h4{font-size:11.5px;letter-spacing:.12em;color:var(--muted);font-weight:700;text-transform:uppercase}
.anchor-nav ul{margin-top:14px;border-left:1px solid var(--line)}
.anchor-nav a{
  display:block;padding:10px 0 10px 16px;font-size:14px;color:var(--muted);
  border-left:2px solid transparent;margin-left:-1px;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.anchor-nav a:hover{color:var(--ink);border-left-color:var(--accent);background:rgba(199,240,74,.10)}
.doc-body{max-width:760px}
.doc-block + .doc-block{margin-top:52px}
.doc-block h2{font-size:1.5rem;display:flex;align-items:baseline;gap:12px}
.doc-block h2 i{
  font-style:normal;font-size:.75rem;font-weight:800;letter-spacing:.06em;
  color:var(--ink);background:var(--accent);border-radius:var(--radius-badge);
  padding:3px 8px;flex:0 0 auto;
}
.doc-block p{margin-top:16px;font-size:17px;line-height:1.9;color:#22322E}
.doc-block p + p{margin-top:1.2em}
.doc-fig{margin-top:24px}
.doc-fig img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img);
  background:rgba(14,36,32,.08);
}
.doc-fig figcaption{margin-top:10px;font-size:13px;color:var(--muted)}
.check-list{margin-top:18px;display:grid;gap:12px}
.check-list li{
  position:relative;padding-left:26px;font-size:16px;line-height:1.8;color:#22322E;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:.55em;width:9px;height:9px;
  background:var(--accent);border-radius:2px;
}
.quote{
  margin-top:22px;padding:18px 20px;border-left:3px solid var(--accent);
  background:var(--accent-soft);border-radius:0 var(--radius-img) var(--radius-img) 0;
  font-size:16px;line-height:1.85;color:#22322E;
}
.dark-note{
  margin-top:26px;background:var(--ink);color:#F2F0E9;border-radius:var(--radius-card);
  padding:24px;
}
.dark-note b{color:var(--accent);display:block;font-size:15px;font-weight:800}
.dark-note p{margin-top:10px;font-size:14.5px;line-height:1.8;color:rgba(242,240,233,.82)}

/* 步骤条 */
.steps{margin-top:40px;display:grid;gap:0;border-top:1px solid var(--line)}
.step{
  display:grid;grid-template-columns:64px minmax(0,1fr) 24px;align-items:center;
  gap:16px;padding:22px 16px;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.step:hover{background:rgba(14,36,32,.03)}
.step .no{font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--muted)}
.step b{display:block;font-size:16.5px;font-weight:700}
.step span{display:block;margin-top:4px;font-size:14px;color:var(--muted);line-height:1.7}
.step .arrow{
  width:18px;height:18px;color:var(--ink);transition:transform .2s var(--ease);
}
.step:hover .arrow{transform:translateX(4px)}

/* 数据条 */
.metrics{
  margin-top:40px;display:grid;gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  grid-template-columns:repeat(4,minmax(0,1fr));
}
.metric{background:var(--surface);padding:24px 20px}
.metric strong{display:block;font-size:clamp(1.6rem,2.6vw,2.2rem);font-weight:900;letter-spacing:-.03em}
.metric span{display:block;margin-top:6px;font-size:13px;color:var(--muted)}

/* CTA */
.cta-panel{
  margin-top:clamp(56px,7vw,104px);background:var(--ink);border-radius:var(--radius-card);
  padding:clamp(28px,4vw,48px);color:#F2F0E9;
  display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
}
.cta-panel h2{font-size:clamp(1.5rem,2.4vw,2rem);max-width:24ch}
.cta-panel p{margin-top:12px;color:rgba(242,240,233,.78);font-size:15px;max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  background:var(--accent);color:var(--ink);font-weight:700;font-size:15px;border:0;
  transition:transform .18s var(--ease),background .18s var(--ease);
}
.btn-main:hover{background:#B9E23C;transform:translateY(-2px);color:var(--ink)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 22px;border-radius:var(--radius-btn);
  background:transparent;color:#F2F0E9;border:1.5px solid rgba(242,240,233,.55);
  font-weight:600;font-size:15px;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-ghost:hover{background:#F2F0E9;color:var(--ink);border-color:#F2F0E9}
.link-arrow{
  display:inline-block;font-weight:600;color:var(--ink);
  background-image:linear-gradient(var(--accent),var(--accent));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 1.5px;
  padding-bottom:2px;transition:background-size .22s var(--ease),color .22s var(--ease);
}
.link-arrow:hover{background-size:100% 1.5px;color:var(--ink)}
.cta-panel .link-arrow{color:#F2F0E9}
.cta-panel .link-arrow:hover{color:var(--accent)}

/* 页脚 */
.site-foot{margin-top:clamp(56px,7vw,104px);background:var(--ink);color:#F2F0E9;border-top:1px solid rgba(255,255,255,.12)}
.foot-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding:clamp(40px,5vw,64px) 0 40px;
}
.site-foot h4{font-size:14px;font-weight:700;color:#F2F0E9;margin-bottom:16px}
.foot-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(242,240,233,.7);max-width:38ch}
.foot-contact{margin-top:14px;font-size:13.5px;color:rgba(242,240,233,.62);line-height:1.9}
.site-foot .logo-text b{color:#F2F0E9}
.foot-links li + li{margin-top:10px}
.foot-links a{
  font-size:14px;color:rgba(242,240,233,.72);
  background-image:linear-gradient(var(--accent),var(--accent));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 1px;
  transition:color .2s var(--ease),background-size .2s var(--ease);
}
.foot-links a:hover{color:var(--accent);background-size:100% 1px}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(242,240,233,.55);
}

/* 底部固定转化条 */
.bar-mobile{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:75;
  background:rgba(14,36,32,.94);backdrop-filter:blur(10px);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  align-items:center;justify-content:space-between;gap:12px;
  transform:translateY(110%);transition:transform .26s var(--ease);
}
.bar-mobile.show{transform:translateY(0)}
.bar-mobile span{color:#F2F0E9;font-size:13.5px;line-height:1.4}
.bar-mobile .btn-main{height:44px;padding:0 18px;font-size:14px}
.float-card{
  display:none;position:fixed;right:24px;bottom:24px;z-index:75;width:320px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:0 16px 34px rgba(14,36,32,.14);padding:22px;
  opacity:0;transform:translateY(14px);transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.float-card.show{opacity:1;transform:translateY(0)}
.float-card b{display:block;font-size:16px;font-weight:800}
.float-card p{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.7}
.float-card .btn-main{margin-top:16px;width:100%}
.float-close{
  position:absolute;top:12px;right:12px;width:28px;height:28px;border-radius:8px;
  border:1px solid var(--line);background:var(--surface);cursor:pointer;
  color:var(--muted);font-size:14px;line-height:1;display:flex;align-items:center;justify-content:center;
}
.float-close:hover{color:var(--ink);border-color:var(--ink)}

/* 进场动效 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
}

@media (max-width:1199.98px){
  .side-shell{display:none}
  .topbar{display:flex}
  .main-wrap{margin-left:0}
  .bar-mobile{display:flex}
  .doc-layout{grid-template-columns:1fr;gap:32px}
  .anchor-nav{position:static;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface);padding:18px}
  .anchor-nav ul{border-left:0;display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
  .anchor-nav a{border:1px solid var(--line);border-radius:var(--radius-badge);padding:7px 12px;font-size:13px}
  .anchor-nav a:hover{border-left-color:var(--line);background:var(--accent-soft)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (min-width:1200px){
  .float-card{display:block}
  .bar-mobile{display:none!important}
}
@media (max-width:991.98px){
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:767.98px){
  body{padding-bottom:84px}
  .banner{aspect-ratio:16/9}
  .step{grid-template-columns:48px minmax(0,1fr) 20px;padding:18px 10px}
  .cta-panel{flex-direction:column;align-items:flex-start}
  .btn-main,.btn-ghost{width:100%}
  .cta-actions{width:100%}
}
@media (max-width:575.98px){
  .metrics{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .doc-block p{font-size:16px}
}

/* roulang page: article */
:root{
  --ink:#0E2420;
  --ink-soft:#16332D;
  --accent:#C7F04A;
  --accent-deep:#7C9E1E;
  --accent-soft:rgba(199,240,74,.18);
  --warn:#FF6B4A;
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --line:#E4E0D6;
  --muted:#5C6663;
  --on-dark:#F2F0E9;
  --radius-card:14px;
  --radius-btn:8px;
  --radius-img:12px;
  --radius-badge:6px;
  --shadow-hover:0 12px 28px rgba(14,36,32,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --sidebar-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.shell{width:100%;max-width:1280px;margin:0 auto;padding-left:clamp(20px,4vw,64px);padding-right:clamp(20px,4vw,64px)}

/* 按钮体系 */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:.9375rem;font-weight:700;line-height:1;cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease);
}
.btn-main{background:var(--accent);color:var(--ink);border:0}
.btn-main:hover{background:#b8e036;color:var(--ink);transform:translateY(-2px)}
.btn-main:active{transform:none}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--on-dark);transform:translateY(-2px)}
.btn-ghost:active{transform:none}
.btn-block{width:100%}
.text-link{
  color:var(--ink);font-weight:600;padding-bottom:2px;
  background-image:linear-gradient(var(--ink),var(--ink));
  background-repeat:no-repeat;background-size:0 1px;background-position:0 100%;
  transition:background-size .22s var(--ease),color .22s var(--ease);
}
.text-link:hover{background-size:100% 1px;color:var(--accent-deep)}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:var(--radius-badge);
  background:var(--accent-soft);border:1px solid rgba(199,240,74,.55);
  color:var(--ink-soft);font-size:.8125rem;font-weight:600;
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.tag:hover{background:rgba(199,240,74,.32);border-color:var(--accent);transform:translateY(-2px)}

/* 左侧 App Shell */
.sidebar{
  position:fixed;top:0;bottom:0;left:0;width:var(--sidebar-w);
  background:var(--ink);color:var(--on-dark);z-index:1060;
  display:flex;flex-direction:column;
  border-right:1px solid rgba(255,255,255,.08);
  transform:translateX(-100%);
  transition:transform .26s var(--ease);
  overflow-y:auto;
}
.sidebar.open{transform:none}
.side-brand{
  display:flex;align-items:center;gap:12px;min-height:88px;padding:16px 20px;
  border-bottom:1px solid rgba(255,255,255,.08);flex:0 0 auto;
}
.brand-mark{flex:0 0 auto;display:inline-flex;width:32px;height:32px}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{font-size:.9375rem;font-weight:800;color:var(--on-dark);letter-spacing:-.01em}
.brand-text span{font-size:.6875rem;color:rgba(242,240,233,.55);letter-spacing:.04em}
.side-nav{display:flex;flex-direction:column;padding:16px 0;flex:1 1 auto}
.side-link{
  position:relative;display:flex;align-items:center;min-height:48px;padding:0 24px;
  font-size:15px;font-weight:500;color:rgba(242,240,233,.82);
  border-left:3px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.side-link:hover{background:rgba(255,255,255,.08);color:var(--on-dark)}
.side-link.active{background:rgba(255,255,255,.06);border-left-color:var(--accent);color:var(--accent)}
.side-foot{flex:0 0 auto;padding:20px;border-top:1px solid rgba(255,255,255,.08)}
.side-cta{width:100%}
.side-note{margin-top:14px;font-size:.75rem;line-height:1.8;color:rgba(242,240,233,.5)}
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(14,36,32,.5);z-index:1055;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-backdrop.show{opacity:1;visibility:visible}

/* 移动端顶部栏 */
.topbar{
  position:sticky;top:0;z-index:1050;display:flex;align-items:center;justify-content:space-between;
  height:64px;padding:0 clamp(16px,4vw,24px);
  background:rgba(247,245,239,.86);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.top-brand{display:flex;align-items:center;gap:10px;min-height:44px}
.top-brand b{font-size:.9375rem;font-weight:800}
.burger{
  width:44px;height:44px;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  background:transparent;border:0;border-radius:8px;cursor:pointer;
}
.burger span{display:block;width:20px;height:2px;background:var(--ink);transition:transform .22s var(--ease),opacity .22s var(--ease)}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.main-wrap{margin-left:0;min-height:100vh;display:flex;flex-direction:column}
.main-wrap main{flex:1 1 auto}

@media (min-width:1200px){
  .sidebar{transform:none}
  .topbar{display:none}
  .drawer-backdrop{display:none}
  .main-wrap{margin-left:var(--sidebar-w)}
}

/* 文章头部 */
.article-hero{position:relative;overflow:hidden;background:var(--ink);color:var(--on-dark);isolation:isolate}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.26;z-index:0}
.article-hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(102deg,rgba(14,36,32,.95) 0%,rgba(14,36,32,.84) 52%,rgba(14,36,32,.62) 100%);
}
.article-hero::before{
  content:"";position:absolute;top:-40px;right:-60px;width:320px;height:1px;z-index:2;
  background:linear-gradient(90deg,rgba(199,240,74,0),var(--accent));
  transform:rotate(-24deg);opacity:.85;
}
.hero-inner{position:relative;z-index:3;padding-top:clamp(24px,3.4vw,40px);padding-bottom:clamp(36px,5vw,60px)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(242,240,233,.62)}
.crumb a{color:rgba(242,240,233,.82);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--accent)}
.crumb i{font-style:normal;color:rgba(242,240,233,.32)}
.crumb .cur{color:rgba(242,240,233,.58);max-width:min(58vw,460px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.badge-hero{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;margin-top:26px;
  border-radius:var(--radius-badge);background:var(--accent);color:var(--ink);
  font-size:.75rem;font-weight:700;letter-spacing:.04em;
}
.article-hero h1{
  margin-top:16px;max-width:900px;
  font-size:clamp(1.75rem,3.4vw,2.75rem);line-height:1.18;font-weight:900;color:#FFFFFF;
}
.meta-row{
  display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:22px;
  font-size:.875rem;color:rgba(242,240,233,.7);font-variant-numeric:tabular-nums;
}
.meta-row b{color:var(--on-dark);font-weight:600}

/* 正文区 */
.article-section{padding:clamp(40px,6vw,76px) 0 clamp(24px,4vw,44px)}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr);gap:32px;
  max-width:820px;margin:0 auto;
}
@media (min-width:1440px){
  .article-layout{grid-template-columns:minmax(0,1fr) 260px;max-width:1120px;gap:36px}
}
.article-main{min-width:0}

.article-body{font-size:17.5px;line-height:1.9;color:#1B2F2A;overflow-wrap:break-word}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:24px;font-weight:800;line-height:1.28;margin:2.1em 0 .8em;
  padding-left:14px;border-left:4px solid var(--accent);
}
.article-body h3{font-size:20px;font-weight:700;line-height:1.35;margin:1.8em 0 .7em}
.article-body h4{font-size:17px;font-weight:700;margin:1.6em 0 .6em}
.article-body img{border-radius:var(--radius-img);margin:1.6em 0;width:100%;background:rgba(14,36,32,.08)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:.8125rem;color:var(--muted);text-align:center;margin-top:10px}
.article-body a{
  color:var(--ink);border-bottom:1px solid var(--ink);
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.article-body a:hover{color:var(--accent-deep);border-color:var(--accent-deep)}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--accent-soft);
  border-left:3px solid var(--accent);border-radius:0 10px 10px 0;color:var(--ink-soft);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{margin:0 0 1.2em}
.article-body li{position:relative;padding-left:22px;margin-bottom:.55em}
.article-body ul > li::before{
  content:"";position:absolute;left:1px;top:.78em;width:10px;height:2px;background:var(--accent-deep);
}
.article-body ol{counter-reset:li}
.article-body ol > li{counter-increment:li}
.article-body ol > li::before{
  content:counter(li);position:absolute;left:0;top:.1em;
  font-size:.8125rem;font-weight:700;color:var(--accent-deep);font-variant-numeric:tabular-nums;
}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body th{
  background:#EDEAE0;text-align:left;font-weight:700;padding:12px 14px;
  border-bottom:1px solid var(--line);
}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);color:#243B35}
.article-body code{background:#EDEAE0;border-radius:5px;padding:2px 6px;font-size:.9em}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

.article-foot{margin-top:56px;padding-top:28px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.foot-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.foot-actions .btn-main,.foot-actions .btn-ghost{flex:1 1 200px}

.empty-state{
  padding:56px 28px;border:1px dashed var(--line);border-radius:var(--radius-card);
  background:var(--surface);text-align:center;
}
.empty-state h2{font-size:22px;margin-bottom:12px}
.empty-state p{color:var(--muted);font-size:.9375rem;max-width:52ch;margin:0 auto 24px}

/* 右侧栏 */
.article-side{display:none}
@media (min-width:1440px){
  .article-side{display:block;position:sticky;top:96px;align-self:start}
}
.side-box{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;margin-bottom:20px;
}
.side-box-title{font-size:.8125rem;font-weight:700;letter-spacing:.06em;color:var(--muted);margin-bottom:14px}
.toc-list{display:grid;gap:8px}
.toc-list a{font-size:.875rem;color:var(--ink-soft);transition:color .2s var(--ease)}
.toc-list a:hover{color:var(--accent-deep)}
.toc-list .lv3{padding-left:14px}
.toc-list .lv3 a{font-size:.8125rem;color:var(--muted)}
.side-box-cta{background:var(--ink);border-color:var(--ink)}
.side-box-cta .side-box-title{color:rgba(242,240,233,.6)}
.side-box-cta p{font-size:.875rem;color:rgba(242,240,233,.75);margin-bottom:16px}

/* 相关推荐 */
.related-section{padding:clamp(24px,4vw,48px) 0 clamp(56px,7vw,96px)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.sec-head h2{font-size:clamp(1.5rem,2.4vw,2.1rem);font-weight:900}
.sec-sub{margin-top:10px;font-size:.9375rem;color:var(--muted);max-width:56ch}
.rel-grid{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:768px){.rel-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1200px){.rel-grid{grid-template-columns:repeat(3,1fr)}}
.card-post{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card-post:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D6D1C4}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:rgba(14,36,32,.08)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.card-post:hover .card-media img{transform:scale(1.04)}
.badge-cat{
  position:absolute;left:12px;top:12px;display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--radius-badge);background:var(--ink);color:var(--accent);
  font-size:.75rem;font-weight:700;letter-spacing:.04em;
}
.card-body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto}
.card-title{font-size:1.0625rem;font-weight:700;line-height:1.45;transition:color .2s var(--ease)}
.card-post:hover .card-title{color:var(--accent-deep)}
.card-excerpt{
  margin-top:10px;font-size:.875rem;line-height:1.7;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  gap:12px;font-size:.8125rem;color:var(--muted);font-variant-numeric:tabular-nums;
}

/* 页脚 */
.site-foot{
  background:var(--ink);color:var(--on-dark);
  border-top:1px solid rgba(255,255,255,.12);
  padding:clamp(48px,6vw,72px) 0 0;
}
.foot-grid{display:grid;gap:36px;grid-template-columns:1fr}
@media (min-width:576px){.foot-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:992px){.foot-grid{grid-template-columns:1.7fr 1fr 1fr 1fr;gap:28px}}
.logo-text{display:flex;flex-direction:column;gap:4px}
.logo-text b{font-size:1.0625rem;font-weight:800;color:var(--on-dark)}
.logo-text span{font-size:.75rem;color:rgba(242,240,233,.55);letter-spacing:.03em}
.foot-brand p{margin-top:16px;font-size:.875rem;line-height:1.8;color:rgba(242,240,233,.68);max-width:36ch}
.foot-contact{margin-top:16px;font-size:.8125rem;line-height:1.9;color:rgba(242,240,233,.55)}
.site-foot h4{font-size:.9375rem;font-weight:700;color:var(--on-dark);margin-bottom:16px}
.foot-links{display:grid;gap:10px}
.foot-links a{
  display:inline-block;font-size:.875rem;color:rgba(242,240,233,.72);
  background-image:linear-gradient(var(--accent),var(--accent));
  background-repeat:no-repeat;background-size:0 1px;background-position:0 100%;
  padding-bottom:2px;
  transition:color .22s var(--ease),background-size .22s var(--ease);
}
.foot-links a:hover{color:var(--accent);background-size:100% 1px}
.foot-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:clamp(36px,5vw,56px);padding:20px 0 28px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(242,240,233,.48);
}

/* 底部转化条 */
.conversion-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1090;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(14,36,32,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  color:var(--on-dark);border-top:1px solid rgba(242,240,233,.12);
  transform:translateY(130%);transition:transform .28s var(--ease);
}
.conversion-bar.show{transform:none}
.cb-text{font-size:.8125rem;line-height:1.5;color:rgba(242,240,233,.82)}
.cb-text b{display:block;font-size:.875rem;color:var(--on-dark);font-weight:700}
.cb-btn{height:44px;padding:0 18px;flex:0 0 auto}
.conversion-close{
  position:absolute;top:8px;right:8px;display:none;width:32px;height:32px;
  align-items:center;justify-content:center;border:0;border-radius:8px;
  background:rgba(242,240,233,.1);color:var(--on-dark);cursor:pointer;font-size:14px;line-height:1;
}
.conversion-close:hover{background:rgba(242,240,233,.2)}
@media (max-width:1199px){
  body{padding-bottom:86px}
}
@media (min-width:1200px){
  .conversion-bar{
    left:auto;right:24px;bottom:24px;width:320px;
    flex-direction:column;align-items:stretch;gap:14px;
    padding:20px;border-radius:var(--radius-card);
    background:rgba(14,36,32,.96);border:1px solid rgba(242,240,233,.14);
    border-top:1px solid rgba(242,240,233,.14);
    transform:translateY(24px);opacity:0;pointer-events:none;
  }
  .conversion-bar.show{transform:none;opacity:1;pointer-events:auto}
  .conversion-close{display:inline-flex}
  .cb-btn{width:100%}
}

/* 动效 */
html.js .fade-up{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
html.js .fade-up.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  html.js .fade-up{opacity:1!important;transform:none!important}
}
@media (max-width:575px){
  .article-body{font-size:17px}
  .foot-actions .btn-main,.foot-actions .btn-ghost{flex:1 1 100%}
}

/* roulang page: category2 */
:root{
  --ink:#0E2420;
  --ink-soft:#16332D;
  --accent:#C7F04A;
  --accent-soft:rgba(199,240,74,.18);
  --warn:#FF6B4A;
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --line:#E4E0D6;
  --muted:#5C6663;
  --light:#F2F0E9;
  --r-card:14px;
  --r-btn:8px;
  --r-img:12px;
  --r-badge:6px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --side:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.15;font-weight:900}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.num,.date{font-variant-numeric:tabular-nums}

/* ---------- 容器 ---------- */
.shell{max-width:1280px;margin:0 auto;padding-left:clamp(20px,4vw,64px);padding-right:clamp(20px,4vw,64px);width:100%}

/* ---------- 侧边 Shell 导航 ---------- */
.app-side{
  position:fixed;top:0;left:0;bottom:0;width:var(--side);
  background:var(--ink);color:var(--light);
  border-right:1px solid rgba(255,255,255,.08);
  display:flex;flex-direction:column;z-index:1040;
}
.side-logo{height:88px;display:flex;align-items:center;gap:12px;padding:0 24px;flex:0 0 auto}
.logo-mark{
  width:32px;height:32px;border-radius:9px;background:var(--accent);color:var(--ink);
  display:grid;place-items:center;font-weight:900;font-size:14px;letter-spacing:-.03em;flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.logo-text b{font-size:15px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.logo-text span{font-size:12px;color:rgba(242,240,233,.55);white-space:nowrap}
.side-nav{padding:16px 0;display:flex;flex-direction:column;gap:2px;flex:1 1 auto;overflow-y:auto}
.side-link{
  position:relative;display:flex;align-items:center;min-height:48px;
  padding:0 18px 0 24px;font-size:15px;font-weight:500;
  color:rgba(242,240,233,.78);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.side-link::before{
  content:"";position:absolute;left:0;top:50%;width:3px;height:100%;
  background:var(--accent);transform:translateY(-50%) scaleY(0);
  transform-origin:center;transition:transform .22s var(--ease);
}
.side-link:hover{background:rgba(255,255,255,.08);color:#fff}
.side-link:hover::before{transform:translateY(-50%) scaleY(.45)}
.side-link.active{background:rgba(255,255,255,.06);color:var(--accent);font-weight:700}
.side-link.active::before{transform:translateY(-50%) scaleY(1)}
.side-link.active:hover{background:rgba(255,255,255,.06)}
.side-foot{padding:20px 24px 26px;border-top:1px solid rgba(255,255,255,.08);flex:0 0 auto}
.side-foot .note{margin-top:14px;font-size:12px;line-height:1.7;color:rgba(242,240,233,.5)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  border:1.5px solid transparent;font-size:15px;font-weight:700;
  cursor:pointer;text-align:center;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.btn-accent{background:var(--accent);color:var(--ink)}
.btn-accent:hover{background:#b9e33a;transform:translateY(-2px);color:var(--ink)}
.btn-accent:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--light);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-block{width:100%}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.link-underline{
  display:inline-block;color:var(--ink);font-weight:600;font-size:15px;padding-bottom:2px;
  background-image:linear-gradient(var(--accent),var(--accent));
  background-repeat:no-repeat;background-size:0 1px;background-position:0 100%;
  transition:background-size .22s var(--ease),color .22s var(--ease);
}
.link-underline:hover{background-size:100% 1px;color:var(--ink)}

/* ---------- 主内容区 ---------- */
.app-main{margin-left:var(--side);min-height:100vh;display:flex;flex-direction:column;padding-bottom:0}

/* ---------- 顶部栏（移动） ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:1030;height:64px;
  align-items:center;justify-content:space-between;padding:0 16px;
  background:rgba(247,245,239,.88);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.topbar .logo-mark{width:28px;height:28px;font-size:12px;border-radius:8px}
.topbar .logo-text b{font-size:14px}
.topbar .logo-text span{font-size:11px}
.topbar-brand{display:flex;align-items:center;gap:10px;color:var(--ink)}
.burger{
  width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;
  display:grid;place-items:center;gap:0;cursor:pointer;position:relative;
}
.burger i{
  display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .22s var(--ease),opacity .18s var(--ease);
}
.burger i+i{margin-top:4px}
.burger.open i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.open i:nth-child(2){opacity:0}
.burger.open i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:min(84vw,340px);
  background:var(--ink);color:var(--light);z-index:1060;
  transform:translateX(-100%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;
}
.drawer.open{transform:translateX(0)}
.drawer .side-logo{height:72px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,36,32,.5);z-index:1050;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-mask.show{opacity:1;visibility:visible}
body.lock{overflow:hidden}

/* ---------- 分类头部 ---------- */
.cat-head{padding-top:clamp(28px,4vw,48px)}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
}
.crumb a{transition:color .2s var(--ease)}
.crumb a:hover{color:var(--ink)}
.crumb .sep{color:#B9B4A6}
.crumb .cur{color:var(--muted)}
.cat-head h1{
  margin-top:16px;font-size:clamp(2rem,3.8vw,3rem);
  font-weight:900;letter-spacing:-.025em;line-height:1.12;max-width:16em;
}
.cat-head .lead{margin-top:16px;max-width:52em;color:var(--muted);font-size:1.05rem;line-height:1.8}
.cat-head .head-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.pill{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;
  border-radius:var(--r-badge);border:1px solid var(--line);background:#fff;
  font-size:12px;font-weight:700;letter-spacing:.04em;color:var(--muted);
}
.pill.accent{background:var(--accent-soft);border-color:rgba(199,240,74,.5);color:var(--ink)}

.banner{
  position:relative;margin-top:28px;height:clamp(180px,26vw,268px);
  border-radius:var(--r-card);overflow:hidden;background:rgba(14,36,32,.08);
}
.banner img{width:100%;height:100%;object-fit:cover;object-position:center}
.banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,36,32,.72),rgba(14,36,32,.18) 62%,rgba(14,36,32,.06));
}
.banner-inner{
  position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;justify-content:space-between;
  padding:clamp(18px,3vw,30px);
}
.banner-inner .tagline{
  align-self:flex-start;background:var(--accent);color:var(--ink);
  font-size:12px;font-weight:800;letter-spacing:.06em;padding:5px 12px;border-radius:var(--r-badge);
}
.banner-inner .line{
  color:#F2F0E9;font-size:clamp(.95rem,1.5vw,1.15rem);font-weight:700;max-width:30em;line-height:1.6;
}

/* ---------- 通用板块 ---------- */
.sec{padding:clamp(56px,6.5vw,104px) 0}
.sec-tight{padding-top:clamp(34px,4vw,56px)}
.sec-head{max-width:780px;margin-bottom:clamp(26px,3vw,40px)}
.sec-head h2{font-size:clamp(1.6rem,2.6vw,2.4rem)}
.sec-head p{margin-top:14px;color:var(--muted);font-size:1rem;line-height:1.8}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  font-size:12px;font-weight:800;letter-spacing:.1em;color:var(--muted);
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);border-radius:2px}
.sec-head-row{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-end;justify-content:space-between}

/* ---------- 筛选标签条 ---------- */
.filter-wrap{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0}
.filter-bar{display:flex;gap:10px;overflow-x:auto;scrollbar-width:thin;padding-bottom:2px}
.filter-bar::-webkit-scrollbar{height:4px}
.filter-bar::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}
.tag-btn{
  height:40px;padding:0 18px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;color:var(--muted);font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.tag-btn:hover{border-color:var(--ink);color:var(--ink)}
.tag-btn.active{background:var(--accent);border-color:var(--accent);color:var(--ink);font-weight:800}

/* ---------- 方案卡片 ---------- */
.plan-card{
  height:100%;display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.plan-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(14,36,32,.10);border-color:#D6D1C3}
.plan-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:rgba(14,36,32,.08)}
.plan-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.plan-card:hover .plan-thumb img{transform:scale(1.04)}
.badge-cat{
  position:absolute;top:12px;left:12px;z-index:2;
  background:var(--ink);color:var(--accent);
  font-size:12px;font-weight:700;letter-spacing:.04em;padding:4px 10px;border-radius:var(--r-badge);
}
.plan-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.plan-body h3{font-size:1.12rem;font-weight:800;line-height:1.35}
.plan-body p{margin-top:10px;color:var(--muted);font-size:.94rem;line-height:1.75;flex:1 1 auto}
.plan-meta{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}
.plan-more{font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:6px;transition:color .2s var(--ease)}
.plan-card:hover .plan-more{color:#3E6B1F}
.plan-more::after{content:"→";transition:transform .22s var(--ease)}
.plan-card:hover .plan-more::after{transform:translateX(4px)}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);margin-top:8px}
.step{padding:26px 22px 8px;border-right:1px solid var(--line)}
.step:last-child{border-right:0}
.step .no{
  display:inline-block;font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--accent);color:var(--ink);padding:2px 9px;border-radius:var(--r-badge);
}
.step h3{margin-top:16px;font-size:1.05rem;font-weight:800}
.step p{margin-top:8px;color:var(--muted);font-size:.9rem;line-height:1.72}

/* ---------- 对照表 ---------- */
.compare{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--surface)}
.compare-row{
  display:grid;grid-template-columns:1.05fr 1.25fr 1.9fr;gap:18px;
  padding:20px 24px;border-bottom:1px solid var(--line);align-items:start;
  transition:background .2s var(--ease);
}
.compare-row:last-child{border-bottom:0}
.compare-row:hover{background:var(--accent-soft)}
.compare-row .k{font-weight:700;font-size:.98rem}
.compare-row .v{font-weight:700;font-size:.98rem;color:#2B4A22}
.compare-row .d{color:var(--muted);font-size:.92rem;line-height:1.72}
.compare-head{background:#EFEBE1}
.compare-head .k,.compare-head .v,.compare-head .d{font-size:12px;font-weight:800;letter-spacing:.06em;color:var(--muted)}

/* ---------- 深色数据区 ---------- */
.dark-sec{background:var(--ink);color:var(--light)}
.dark-sec .sec-head h2{color:var(--light)}
.dark-sec .sec-head p{color:rgba(242,240,233,.72)}
.dark-sec .eyebrow{color:rgba(242,240,233,.6)}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,3vw,36px);margin-top:8px}
.kpi{border-top:1px solid rgba(255,255,255,.16);padding-top:22px}
.kpi b{display:block;font-size:clamp(2rem,4vw,3.2rem);font-weight:900;line-height:1;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.kpi .kpi-label{display:block;margin-top:12px;font-size:.95rem;font-weight:700;color:rgba(242,240,233,.92)}
.kpi .kpi-desc{display:block;margin-top:6px;font-size:.86rem;color:rgba(242,240,233,.6);line-height:1.7}

/* ---------- CTA 区 ---------- */
.cta-box{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:clamp(28px,4vw,52px);display:grid;grid-template-columns:1.4fr .9fr;gap:clamp(24px,4vw,48px);align-items:center;
}
.cta-box h2{font-size:clamp(1.5rem,2.4vw,2.1rem)}
.cta-box p{margin-top:14px;color:var(--muted);font-size:1rem;line-height:1.8;max-width:34em}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta-actions .btn{width:100%}
.cta-actions .sub{font-size:13px;color:var(--muted)}

/* ---------- 页脚 ---------- */
.site-foot{
  background:var(--ink);color:var(--light);
  border-top:1px solid rgba(255,255,255,.12);
  padding:clamp(48px,5vw,72px) 0 28px;margin-top:auto;
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:clamp(24px,3vw,44px)}
.foot-brand .logo-text b{font-size:16px}
.foot-brand .logo-text span{font-size:12px}
.foot-brand p{margin-top:16px;font-size:.9rem;line-height:1.8;color:rgba(242,240,233,.68);max-width:28em}
.foot-contact{margin-top:18px;font-size:.86rem;line-height:1.9;color:rgba(242,240,233,.6)}
.site-foot h4{font-size:14px;font-weight:800;letter-spacing:.04em;margin-bottom:16px;color:var(--light)}
.foot-links li+li{margin-top:10px}
.foot-links a{
  font-size:.9rem;color:rgba(242,240,233,.7);padding-bottom:2px;
  background-image:linear-gradient(var(--accent),var(--accent));
  background-repeat:no-repeat;background-size:0 1px;background-position:0 100%;
  transition:background-size .22s var(--ease),color .22s var(--ease);
}
.foot-links a:hover{color:var(--accent);background-size:100% 1px}
.foot-bottom{
  margin-top:clamp(32px,4vw,52px);padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(242,240,233,.5);
}

/* ---------- 底部转化条 ---------- */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1020;
  display:none;align-items:center;justify-content:space-between;gap:14px;
  min-height:64px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(14,36,32,.92);backdrop-filter:blur(10px);color:var(--light);
  transform:translateY(110%);opacity:0;transition:transform .28s var(--ease),opacity .28s var(--ease);
}
.mobile-cta.show{transform:translateY(0);opacity:1}
.mobile-cta span{font-size:13.5px;line-height:1.5;color:rgba(242,240,233,.86)}
.mobile-cta .btn{height:46px;padding:0 18px;font-size:14px;flex:0 0 auto}

.float-cta{
  position:fixed;right:28px;bottom:28px;width:320px;z-index:1020;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:0 16px 36px rgba(14,36,32,.14);padding:22px 22px 20px;
  opacity:0;transform:translateY(16px);visibility:hidden;
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s var(--ease);
}
.float-cta.show{opacity:1;transform:translateY(0);visibility:visible}
.float-cta .float-title{font-weight:800;font-size:1rem;padding-right:26px}
.float-cta .float-desc{margin-top:8px;font-size:.88rem;color:var(--muted);line-height:1.7}
.float-cta .btn{margin-top:16px;height:44px;font-size:14px}
.float-close{
  position:absolute;top:10px;right:10px;width:30px;height:30px;border-radius:8px;
  border:1px solid var(--line);background:#fff;color:var(--muted);cursor:pointer;
  font-size:16px;line-height:1;display:grid;place-items:center;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.float-close:hover{color:var(--ink);border-color:var(--ink)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .app-side{display:none}
  .app-main{margin-left:0}
  .topbar{display:flex}
}
@media (max-width:991.98px){
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(2){border-right:0}
  .step:nth-child(1),.step:nth-child(2){border-bottom:1px solid var(--line)}
  .step{padding-bottom:22px}
  .kpis{grid-template-columns:1fr 1fr}
  .cta-box{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767.98px){
  body{font-size:16px;padding-bottom:78px}
  .mobile-cta{display:flex}
  .float-cta{display:none}
  .compare-row{grid-template-columns:1fr;gap:6px;padding:18px 18px}
  .compare-head{display:none}
  .compare-row .d::before{content:"处理要点：";font-weight:700;color:var(--ink)}
  .compare-row .k{margin-bottom:2px}
}
@media (max-width:575.98px){
  .steps{grid-template-columns:1fr}
  .step{border-right:0;border-bottom:1px solid var(--line);padding:22px 0}
  .step:last-child{border-bottom:0}
  .kpis{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .btn{height:46px}
  .cat-head .head-tags{gap:6px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --ink:#0E2420;
  --ink-soft:#16332D;
  --accent:#C7F04A;
  --accent-deep:#B6E02F;
  --accent-soft:rgba(199,240,74,.18);
  --warn:#FF6B4A;
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --line:#E4E0D6;
  --muted:#5C6663;
  --on-dark:#F2F0E9;
  --r-card:14px;
  --r-btn:8px;
  --r-img:12px;
  --r-badge:6px;
  --r-input:8px;
  --shadow-hover:0 12px 28px rgba(14,36,32,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.15;font-weight:800}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- 布局骨架 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:248px;
  background:var(--ink);color:var(--on-dark);
  display:flex;flex-direction:column;
  border-right:1px solid rgba(255,255,255,.08);
  z-index:60;
}
.main-wrap{margin-left:0;min-height:100vh;display:flex;flex-direction:column}
.shell{width:100%;max-width:1280px;margin:0 auto;padding-left:clamp(20px,4vw,64px);padding-right:clamp(20px,4vw,64px)}

/* ---------- 侧栏 ---------- */
.side-logo{
  height:88px;display:flex;align-items:center;gap:12px;
  padding:0 24px;border-bottom:1px solid rgba(255,255,255,.08);
}
.logo-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:8px;
  background:var(--accent);display:flex;align-items:center;justify-content:center;
}
.logo-mark svg{width:18px;height:18px}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text b{font-size:15px;font-weight:800;letter-spacing:-.01em}
.logo-text span{font-size:11.5px;color:rgba(242,240,233,.6);letter-spacing:.04em}
.side-nav{padding:18px 0;display:flex;flex-direction:column;gap:2px}
.side-link{
  position:relative;display:flex;align-items:center;
  min-height:48px;padding:0 24px;
  font-size:15px;font-weight:500;color:rgba(242,240,233,.82);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.side-link::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  background:var(--accent);transform:scaleY(0);transform-origin:center;
  transition:transform .2s var(--ease);
}
.side-link:hover{background:rgba(255,255,255,.08);color:var(--on-dark)}
.side-link:hover::before{transform:scaleY(.45)}
.side-link.active{background:rgba(255,255,255,.06);color:var(--accent);font-weight:700}
.side-link.active::before{transform:scaleY(1)}
.side-foot{margin-top:auto;padding:20px 24px 26px;border-top:1px solid rgba(255,255,255,.08)}
.side-note{margin-top:12px;font-size:12.5px;color:rgba(242,240,233,.5);line-height:1.6}

/* ---------- 顶部栏（移动） ---------- */
.topbar{
  position:sticky;top:0;z-index:55;height:64px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 20px;
  background:rgba(247,245,239,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.topbar-logo{display:flex;align-items:center;gap:10px}
.topbar-logo .logo-mark{width:28px;height:28px;flex:0 0 28px;border-radius:7px}
.topbar-logo b{font-size:14.5px;font-weight:800}
.burger{
  width:44px;height:44px;display:flex;flex-direction:column;justify-content:center;
  align-items:center;gap:5px;border-radius:8px;
}
.burger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s var(--ease),opacity .18s var(--ease)}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.drawer{
  position:fixed;top:0;left:0;bottom:0;width:min(84vw,340px);
  background:var(--ink);color:var(--on-dark);z-index:80;
  transform:translateX(-102%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;
}
.drawer.open{transform:translateX(0)}
.drawer .side-nav{padding-top:12px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,36,32,.5);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease);z-index:70;
}
.drawer-mask.show{opacity:1;visibility:visible}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  background:var(--accent);color:var(--ink);font-size:15px;font-weight:700;
  transition:background .2s var(--ease),transform .2s var(--ease);
  white-space:nowrap;
}
.btn-main:hover{background:var(--accent-deep);transform:translateY(-2px)}
.btn-main:active{transform:translateY(0)}
.btn-main[disabled],.btn-main.is-loading{opacity:.62;pointer-events:none}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  border:1.5px solid var(--ink);color:var(--ink);font-weight:600;font-size:15px;
  background:transparent;transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{background:var(--ink);color:var(--on-dark);transform:translateY(-2px)}
.btn-block{width:100%}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.text-link{
  display:inline-block;font-weight:600;
  background-image:linear-gradient(var(--accent),var(--accent));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 1.5px;
  padding-bottom:2px;transition:background-size .22s var(--ease),color .2s var(--ease);
}
.text-link:hover{background-size:100% 1.5px;color:var(--ink-soft)}
.on-dark .text-link{background-image:linear-gradient(var(--accent),var(--accent))}

/* ---------- 页面头部横幅 ---------- */
.page-hero{position:relative;min-height:320px;display:flex;align-items:flex-end;overflow:hidden;background:var(--ink)}
.page-hero .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.page-hero .hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(14,36,32,.94) 0%,rgba(14,36,32,.78) 52%,rgba(14,36,32,.42) 100%);
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--accent);opacity:.6;
}
.hero-inner{position:relative;z-index:2;padding-top:56px;padding-bottom:44px;width:100%}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(242,240,233,.66);margin-bottom:16px}
.crumb a{color:rgba(242,240,233,.86);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--accent)}
.crumb .sep{opacity:.5}
.crumb .now{color:rgba(242,240,233,.6)}
.page-hero h1{
  color:var(--on-dark);font-size:clamp(2rem,4.2vw,3.2rem);font-weight:900;
  max-width:22ch;
}
.hero-lead{margin-top:16px;max-width:62ch;color:rgba(242,240,233,.82);font-size:clamp(15px,1.4vw,17px);line-height:1.7}

/* ---------- 板块 ---------- */
.section{padding:96px 0}
.section.tight{padding-top:64px}
.section.soft{background:#F1EFE7}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink-soft);background:var(--accent-soft);
  padding:6px 12px;border-radius:var(--r-badge);margin-bottom:16px;
}
.sec-title{font-size:clamp(1.6rem,2.6vw,2.4rem);font-weight:900}
.sec-sub{margin-top:12px;max-width:64ch;color:var(--muted);font-size:16px}
.on-dark{background:var(--ink);color:var(--on-dark)}
.on-dark .sec-sub,.on-dark p{color:rgba(242,240,233,.78)}
.on-dark .sec-title{color:var(--on-dark)}

/* ---------- 支持通道 ---------- */
.channel-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
.channel-main{
  background:var(--ink);color:var(--on-dark);border-radius:var(--r-card);
  padding:clamp(28px,3.4vw,44px);display:flex;flex-direction:column;gap:18px;
}
.channel-main h3{font-size:1.5rem;font-weight:800;color:var(--on-dark)}
.channel-main p{color:rgba(242,240,233,.78);max-width:46ch}
.channel-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:auto;padding-top:12px}
.channel-actions .btn-ghost{border-color:rgba(242,240,233,.6);color:var(--on-dark)}
.channel-actions .btn-ghost:hover{background:var(--on-dark);color:var(--ink);border-color:var(--on-dark)}
.channel-side{display:flex;flex-direction:column;gap:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.info-row{
  display:flex;flex-direction:column;gap:4px;padding:22px 26px;
  border-bottom:1px solid var(--line);transition:background .2s var(--ease);
}
.info-row:last-child{border-bottom:0}
.info-row:hover{background:#FBFAF5}
.info-row span{font-size:12.5px;letter-spacing:.06em;color:var(--muted);text-transform:uppercase}
.info-row b{font-size:16.5px;font-weight:700;font-variant-numeric:tabular-nums}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 4px;text-align:left;font-size:17px;font-weight:600;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--ink-soft)}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;
  transition:transform .22s var(--ease),background .2s var(--ease);
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.open .faq-icon::after{transform:rotate(90deg)}
.faq-item.open .faq-q{color:var(--ink)}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{background:var(--accent-deep)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .22s var(--ease)}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a-inner p{padding:0 40px 22px 4px;font-size:15px;line-height:1.8;color:var(--muted);max-width:76ch}

/* ---------- 表单 ---------- */
.form-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:start}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:clamp(24px,3vw,36px)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:14px;font-weight:500}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border-radius:var(--r-input);
  border:1px solid var(--line);background:#FCFBF6;color:var(--ink);
  font-family:inherit;font-size:15px;line-height:1.6;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{min-height:132px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--ink);background:#fff;
  box-shadow:0 0 0 3px rgba(199,240,74,.28);
}
.field.error input,.field.error select,.field.error textarea{border-color:var(--warn)}
.field .err-msg{font-size:13px;color:var(--warn);display:none}
.field.error .err-msg{display:block}
.form-hint{font-size:13.5px;color:var(--muted);margin-top:4px;line-height:1.65}
.form-status{
  margin-top:16px;font-size:14px;padding:12px 14px;border-radius:var(--r-input);
  border:1px solid var(--line);background:#FBFAF5;color:var(--ink-soft);display:none;
}
.form-status.show{display:block}
.side-note-card{
  background:#F1EFE7;border:1px solid var(--line);border-radius:var(--r-card);
  padding:clamp(22px,2.6vw,30px);
}
.side-note-card h3{font-size:1.15rem;font-weight:800;margin-bottom:14px}
.side-note-card ul{display:flex;flex-direction:column;gap:12px}
.side-note-card li{position:relative;padding-left:20px;font-size:14.5px;color:var(--muted);line-height:1.7}
.side-note-card li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:2px;background:var(--accent-deep);
}

/* ---------- 处理流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);margin-top:8px}
.step{padding:28px 24px 28px 0;border-right:1px solid var(--line);position:relative}
.step:last-child{border-right:0}
.step:not(:first-child){padding-left:24px}
.step-num{
  font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--ink-soft);
  font-variant-numeric:tabular-nums;
  display:inline-flex;align-items:center;justify-content:center;
  min-width:34px;height:24px;padding:0 8px;border-radius:var(--r-badge);
  background:var(--accent-soft);margin-bottom:14px;
}
.step h3{font-size:1.05rem;font-weight:800;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--muted);line-height:1.7}

/* ---------- 图文与自查 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);align-items:center}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);background:rgba(14,36,32,.08)}
.check-list{display:flex;flex-direction:column;gap:0;margin-top:24px;border-top:1px solid var(--line)}
.check-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.check-item span.idx{
  flex:0 0 auto;font-size:12.5px;font-weight:800;letter-spacing:.08em;
  color:var(--ink-soft);background:var(--accent-soft);border-radius:var(--r-badge);
  height:24px;min-width:34px;display:inline-flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.check-item h3{font-size:1rem;font-weight:700;margin-bottom:4px}
.check-item p{font-size:14.5px;color:var(--muted);line-height:1.7}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:var(--ink);color:var(--on-dark);border-radius:var(--r-card);
  padding:clamp(32px,4.4vw,60px);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band h2{font-size:clamp(1.5rem,2.4vw,2.1rem);color:var(--on-dark);max-width:22ch}
.cta-band p{margin-top:12px;color:rgba(242,240,233,.76);max-width:52ch;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-band .btn-ghost{border-color:rgba(242,240,233,.55);color:var(--on-dark)}
.cta-band .btn-ghost:hover{background:var(--on-dark);color:var(--ink);border-color:var(--on-dark)}

/* ---------- 页脚 ---------- */
.site-foot{
  margin-top:auto;background:var(--ink);color:var(--on-dark);
  border-top:1px solid rgba(255,255,255,.12);
  padding:64px 0 28px;
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.foot-brand .logo-text b{font-size:16px;color:var(--on-dark)}
.foot-brand p{margin-top:16px;font-size:14.5px;color:rgba(242,240,233,.7);max-width:38ch;line-height:1.75}
.foot-contact{margin-top:18px;font-size:13.5px;color:rgba(242,240,233,.55);line-height:1.8}
.site-foot h4{font-size:14px;font-weight:700;margin-bottom:18px;color:var(--on-dark);letter-spacing:.02em}
.foot-links{display:flex;flex-direction:column;gap:12px}
.foot-links a{
  font-size:14px;color:rgba(242,240,233,.72);
  background-image:linear-gradient(var(--accent),var(--accent));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 1px;
  padding-bottom:2px;transition:color .2s var(--ease),background-size .22s var(--ease);
}
.foot-links a:hover{color:var(--accent);background-size:100% 1px}
.foot-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(242,240,233,.5);
}

/* ---------- 底部转化条 ---------- */
.dock{
  position:fixed;z-index:65;
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s;
}
.dock.show{opacity:1;visibility:visible;transform:translateY(0)}
.dock-close{
  position:absolute;top:8px;right:8px;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:rgba(242,240,233,.7);font-size:16px;line-height:1;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.dock-close:hover{background:rgba(255,255,255,.12);color:var(--on-dark)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 断点 ---------- */
@media (min-width:1200px){
  .main-wrap{margin-left:248px}
  .topbar{display:none}
  .drawer,.drawer-mask{display:none}
  .dock{
    right:24px;bottom:24px;width:320px;border-radius:var(--r-card);
    background:rgba(14,36,32,.95);color:var(--on-dark);
    border:1px solid rgba(255,255,255,.12);
    padding:20px 20px 18px;backdrop-filter:blur(10px);
  }
  .dock-inner{display:flex;flex-direction:column;gap:14px}
  .dock-text{font-size:14px;line-height:1.6;color:rgba(242,240,233,.85);padding-right:22px}
}
@media (max-width:1199.98px){
  .sidebar{display:none}
  .dock{
    left:0;right:0;bottom:0;min-height:64px;
    background:rgba(14,36,32,.92);backdrop-filter:blur(10px);
    border-top:1px solid rgba(255,255,255,.12);
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  }
  .dock-inner{display:flex;align-items:center;gap:14px;justify-content:space-between}
  .dock-text{font-size:13.5px;color:rgba(242,240,233,.85);line-height:1.45}
  body{padding-bottom:84px}
}
@media (max-width:991.98px){
  .section{padding:64px 0}
  .channel-grid{grid-template-columns:1fr}
  .form-layout{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
  .step{border-bottom:1px solid var(--line)}
  .step:nth-child(2n){border-right:0}
  .step:not(:first-child){padding-left:0}
  .step{padding-right:20px}
  .step:nth-child(2n){padding-left:24px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:575.98px){
  .section{padding:56px 0}
  .page-hero{min-height:260px}
  .hero-inner{padding-top:40px;padding-bottom:32px}
  .form-row{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step:nth-child(2n){padding-left:0}
  .step{border-right:0;padding:22px 0}
  .foot-grid{grid-template-columns:1fr}
  .dock-text{font-size:13px}
  .dock .btn-main{height:44px;padding:0 16px;font-size:14px}
  .faq-q{font-size:16px;padding:18px 2px}
  .faq-a-inner p{padding-right:12px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}