/* roulang page: index */
:root{
  --paper:#F7F5F0;--surface:#FFFFFF;--surface-2:#EFEBE3;--line:#E2DCD2;--line-soft:#EDE8DF;
  --ink:#1A211E;--ink-2:#4A544E;--ink-3:#7C857F;--brand:#E8452C;--brand-dark:#B7331F;
  --accent:#0F8C7A;--volt:#C9F24D;--deep:#101A16;--ok:#1F8A5F;--warn:#C9761B;
  --radius-card:14px;--radius-btn:10px;
  --shadow-card:0 1px 2px rgba(16,26,22,.06);
  --shadow-card-hover:0 12px 28px -12px rgba(16,26,22,.18);
  --deep-shadow:0 8px 24px -12px rgba(16,26,22,.45);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:92px}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.9;text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,opacity .2s ease}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid rgba(232,69,44,.65);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.container-x{padding-left:32px;padding-right:32px}}
@media(min-width:1024px){.container-x{padding-left:40px;padding-right:40px}}

/* 导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(16,26,22,.42);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.14);
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.is-scrolled{background:var(--deep);border-bottom-color:rgba(255,255,255,.10);box-shadow:var(--deep-shadow)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;height:64px}
@media(min-width:1024px){.nav-inner{height:72px;gap:20px}}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  box-shadow:0 6px 16px -10px rgba(232,69,44,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text strong{font-size:15px;font-weight:700;letter-spacing:.6px}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:2px;color:rgba(255,255,255,.6)}
@media(min-width:1024px){.brand-text strong{font-size:16px}}
.nav-links{display:none;align-items:center;gap:2px}
@media(min-width:1024px){.nav-links{display:flex}}
.nav-link{position:relative;padding:8px 12px;border-radius:9px;font-size:15px;color:rgba(255,255,255,.82)}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.10)}
.nav-link.is-active{color:#fff;font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background:var(--volt)}
.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  color:#fff;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.45)}
.icon-btn:active{transform:scale(.96)}
.menu-btn{display:grid}
@media(min-width:1024px){.menu-btn{display:none}}
.search-wrap{position:relative;display:none}
@media(min-width:1024px){.search-wrap{display:block}}
.search-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:320px;padding:12px;
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  box-shadow:0 18px 36px -22px rgba(16,26,22,.5);display:none;
}
.search-panel.is-open{display:block}
.search-panel form{display:flex;gap:8px}
.search-panel input{flex:1;min-width:0;border:1px solid var(--line);border-radius:9px;padding:9px 12px;font-size:14px;background:#fff}
.search-panel input:focus{outline:none;border-color:rgba(232,69,44,.6);box-shadow:0 0 0 3px rgba(232,69,44,.14)}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;top:64px;left:0;right:0;bottom:0;z-index:55;background:var(--deep);
  padding:24px 20px 40px;overflow-y:auto;
  opacity:0;transform:translateY(-10px);pointer-events:none;
  transition:opacity .22s ease,transform .22s ease;
}
.mobile-drawer.is-open{opacity:1;transform:none;pointer-events:auto}
@media(min-width:1024px){.mobile-drawer{display:none}}
.mobile-drawer a.m-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 4px;font-size:18px;color:rgba(255,255,255,.88);
  border-bottom:1px solid rgba(255,255,255,.1);
}
.mobile-drawer a.m-link:hover{color:var(--volt)}
.mobile-drawer a.m-link.is-active{color:var(--volt)}
.m-link .arrow{font-size:14px;color:rgba(255,255,255,.4)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);font-weight:600;font-size:15px;
  padding:12px 22px;border:1px solid transparent;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(232,69,44,.95)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:rgba(255,255,255,.36);color:#fff;background:rgba(255,255,255,.05)}
.btn-ghost:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.62)}
.btn-outline{border-color:var(--line);color:var(--ink);background:var(--surface)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{padding:9px 16px;font-size:14px}

/* Hero */
.hero{position:relative;background:var(--deep);color:#fff;padding:108px 0 64px;overflow:hidden}
@media(min-width:1024px){.hero{padding:168px 0 108px}}
.hero-media{
  position:absolute;inset:0;opacity:.30;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(16,26,22,.96) 0%,rgba(16,26,22,.82) 48%,rgba(16,26,22,.58) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;gap:44px;grid-template-columns:1fr}
@media(min-width:1024px){.hero-inner{grid-template-columns:7fr 5fr;gap:56px;align-items:center}}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--volt);background:rgba(201,242,77,.10);
  border:1px solid rgba(201,242,77,.28);border-radius:999px;padding:6px 14px;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--volt);display:block}
.hero h1{
  margin-top:20px;font-size:clamp(30px,4.4vw,52px);line-height:1.25;
  letter-spacing:-.5px;font-weight:700;
}
.hero h1 .hl{color:var(--volt)}
.hero-sub{margin-top:16px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.78);max-width:520px}
@media(min-width:768px){.hero-sub{font-size:17px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:20px 40px;margin-top:42px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}
.hero-stat .val{font-size:26px;font-weight:700;line-height:1.2;color:var(--volt);letter-spacing:-.5px}
.hero-stat .lbl{font-size:13px;color:rgba(255,255,255,.62);margin-top:2px}
.hero-figure{position:relative;border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.18);box-shadow:0 30px 60px -34px rgba(0,0,0,.85)}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,26,22,0) 42%,rgba(16,26,22,.82) 100%)}
.hero-figure figcaption{position:absolute;left:20px;right:20px;bottom:16px;z-index:2;font-size:14px;color:rgba(255,255,255,.9)}
.hero-badge{
  position:absolute;top:14px;right:14px;z-index:3;background:var(--volt);color:#101A16;
  font-size:12px;font-weight:700;padding:6px 12px;border-radius:999px;line-height:1.2;
}

/* 板块 */
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:104px 0}}
.section-dark{background:var(--deep);color:#fff}
.section-surface{background:var(--surface)}
.section-tint{background:var(--surface-2)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
@media(min-width:1024px){.section-head{margin-bottom:52px}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--accent);letter-spacing:1.2px}
.eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--accent)}
.section-title{margin-top:12px;font-size:clamp(24px,3vw,36px);line-height:1.3;font-weight:700;letter-spacing:-.3px}
.section-desc{margin-top:14px;font-size:16px;line-height:1.85;color:var(--ink-2);max-width:660px}
.section-dark .section-desc{color:rgba(255,255,255,.72)}
.section-dark .eyebrow{color:var(--volt)}
.section-dark .eyebrow::before{background:var(--volt)}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);transition:gap .2s ease,color .2s ease}
.text-link:hover{color:var(--brand-dark);gap:10px}

/* 服务能力 */
.svc-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:768px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.svc-grid{grid-template-columns:repeat(6,1fr);gap:22px}}
.svc-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;display:flex;flex-direction:column;box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.svc-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card-hover);border-color:rgba(232,69,44,.28)}
@media(min-width:1024px){
  .svc-card.lg{grid-column:span 3;padding:30px}
  .svc-card.sm{grid-column:span 2}
}
.svc-icon{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:rgba(232,69,44,.10);color:var(--brand);transition:background .22s ease,color .22s ease}
.svc-card:hover .svc-icon{background:var(--brand);color:#fff}
.svc-card.sm .svc-icon{background:rgba(15,140,122,.12);color:var(--accent)}
.svc-card.sm:hover .svc-icon{background:var(--accent);color:#fff}
.svc-card h3{margin-top:16px;font-size:20px;line-height:1.45;font-weight:600}
@media(min-width:1024px){.svc-card.lg h3{font-size:22px}}
.svc-card p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--ink-2)}
.svc-card .text-link{margin-top:auto;padding-top:18px}

/* 数据带 */
.stats-band{display:grid;gap:26px;grid-template-columns:repeat(2,1fr)}
@media(min-width:1024px){.stats-band{grid-template-columns:repeat(4,1fr);gap:32px}}
.stat-item{padding:22px 20px;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-card);background:rgba(255,255,255,.03)}
.stat-item .val{font-size:clamp(32px,4vw,46px);font-weight:700;line-height:1.1;letter-spacing:-1px}
.stat-item .lbl{margin-top:10px;font-size:14px;color:rgba(255,255,255,.66)}
.c-brand{color:var(--brand)}
.c-volt{color:var(--volt)}
.c-accent{color:#4FD3BC}

/* 案例 */
.case-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:768px){.case-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.case-grid{grid-template-columns:repeat(3,1fr);gap:22px}}
.case-card{
  position:relative;display:block;overflow:hidden;border-radius:var(--radius-card);
  border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover);border-color:rgba(232,69,44,.3)}
.case-card img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .45s ease}
.case-card:hover img{transform:scale(1.05)}
.case-body{
  position:absolute;left:0;right:0;bottom:0;padding:20px;
  background:linear-gradient(180deg,rgba(16,26,22,0) 0%,rgba(16,26,22,.82) 55%,rgba(16,26,22,.95) 100%);
  color:#fff;
}
.case-body h3{margin-top:10px;font-size:19px;line-height:1.5;font-weight:600}
.case-body p{margin-top:6px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.78)}
.badge{display:inline-block;font-size:12px;line-height:1;padding:6px 11px;border-radius:999px;background:rgba(201,242,77,.18);color:var(--volt);font-weight:600}
.badge-accent{background:rgba(15,140,122,.92);color:#fff}

/* 流程 */
.steps{display:grid;gap:24px;grid-template-columns:1fr}
@media(min-width:768px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);gap:28px}}
.step{padding-top:20px;border-top:2px solid var(--line)}
.step.is-first{border-top-color:var(--brand)}
.step-num{font-size:clamp(40px,5vw,54px);font-weight:700;line-height:1;color:var(--line)}
@supports(-webkit-text-stroke:1px #000){
  .step-num{color:transparent;-webkit-text-stroke:1.5px var(--line)}
  .step.is-first .step-num{color:var(--brand);-webkit-text-stroke:0}
}
.step h3{margin-top:14px;font-size:19px;font-weight:600;line-height:1.5}
.step p{margin-top:8px;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* 最新信息 */
.news-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);gap:22px}}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover);border-color:rgba(15,140,122,.3)}
.news-cover{
  position:relative;aspect-ratio:16/9;background-color:var(--surface-2);
  background-image:repeating-linear-gradient(135deg,rgba(16,26,22,.05) 0 8px,transparent 8px 16px);
  background-size:cover;background-position:center;
}
.news-tag{position:absolute;left:14px;top:14px;font-size:12px;font-weight:600;padding:5px 11px;border-radius:999px;background:rgba(15,140,122,.94);color:#fff}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:18px;line-height:1.55;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease}
.news-card:hover .news-body h3{color:var(--brand)}
.news-body p{margin-top:10px;font-size:14px;line-height:1.85;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--ink-3);border-top:1px solid var(--line-soft)}
.news-empty{
  border:1px dashed var(--line);background:var(--surface);border-radius:var(--radius-card);
  padding:56px 24px;text-align:center;
}
.news-empty svg{margin:0 auto 16px;color:var(--ink-3)}
.news-empty p{color:var(--ink-2);font-size:15px}
.news-empty .btn{margin-top:20px}

/* FAQ */
.faq-list{border-top:1px solid var(--line);max-width:920px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;padding:20px 0;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);transition:color .2s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-num{flex:0 0 auto;min-width:26px;font-size:13px;font-weight:700;color:var(--ink-3);font-variant-numeric:tabular-nums;transition:color .2s ease}
.faq-item.is-open .faq-num{color:var(--brand)}
.faq-icon{position:relative;width:18px;height:18px;margin-left:auto;flex:0 0 auto;color:var(--ink-2)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;transition:transform .22s ease,opacity .22s ease}
.faq-icon::before{left:0;right:0;top:8px;height:2px;border-radius:2px}
.faq-icon::after{top:0;bottom:0;left:8px;width:2px;border-radius:2px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a p{padding:0 0 22px 42px;font-size:15.5px;line-height:1.85;color:var(--ink-2)}

/* 联系 */
.contact-grid{display:grid;gap:28px;grid-template-columns:1fr}
@media(min-width:1024px){.contact-grid{grid-template-columns:5fr 7fr;gap:48px;align-items:start}}
.contact-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:15px;color:rgba(255,255,255,.82)}
.contact-list .ci{width:36px;height:36px;flex:0 0 auto;border-radius:11px;display:grid;place-items:center;background:rgba(201,242,77,.12);color:var(--volt)}
.contact-list strong{display:block;font-size:14px;color:#fff;margin-bottom:2px;font-weight:600}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px}
@media(min-width:1024px){.form-card{padding:32px}}
.form-card h3{font-size:20px;font-weight:600}
.form-card .form-note{margin-top:8px;font-size:14px;color:var(--ink-3);line-height:1.8}
.field{margin-top:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:10px;background:#fff;
  padding:11px 14px;font-size:15px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:124px;resize:vertical;line-height:1.8}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:rgba(232,69,44,.6);box-shadow:0 0 0 3px rgba(232,69,44,.14);
}
.field-err{display:none;margin-top:6px;font-size:13px;color:#C0392B}
.field.has-error .field-err{display:block}
.field.has-error input,.field.has-error textarea{border-color:#C0392B}
.form-card .btn{width:100%;margin-top:22px}

/* 页脚 */
.site-footer{background:var(--deep);color:#fff;border-top:1px solid rgba(255,255,255,.12);padding:56px 0 0}
@media(min-width:1024px){.site-footer{padding-top:72px}}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff}
.footer-col h3{font-size:15px;font-weight:600;margin-bottom:16px;color:#fff}
.footer-col li+li{margin-top:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--volt);text-decoration:underline}
.footer-about{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:320px}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* roulang page: article */
:root{
  --paper:#F7F5F0; --surface:#FFFFFF; --surface-2:#EFEBE3; --line:#E2DCD2; --line-soft:#EDE8DF;
  --ink:#1A211E; --ink-2:#4A544E; --ink-3:#7C857F;
  --brand:#E8452C; --brand-dark:#B7331F; --accent:#0F8C7A; --lime:#C9F24D; --deep:#101A16;
  --ok:#1F8A5F; --warn:#C9761B;
  --r-card:14px; --r-btn:10px; --r-img:12px; --r-nav:16px;
  --sh-card:0 1px 2px rgba(16,26,22,.06);
  --sh-card-hover:0 12px 28px -12px rgba(16,26,22,.18);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--paper);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--accent);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid rgba(232,69,44,.55);outline-offset:2px;border-radius:8px;
}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container-x{padding:0 32px;}}
@media(min-width:1024px){.container-x{padding:0 40px;}}
.tnum{font-variant-numeric:tabular-nums;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(16,26,22,.42);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.14);
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.is-stuck{background:var(--deep);box-shadow:0 8px 24px -12px rgba(16,26,22,.45);border-bottom-color:rgba(255,255,255,.08);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;}
@media(min-width:1024px){.header-inner{height:72px;gap:24px;}}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px -10px rgba(232,69,44,.9);flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;color:#fff;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.2px;color:#fff;}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:2px;color:rgba(255,255,255,.68);}
.nav-links{display:none;}
@media(min-width:1024px){.nav-links{display:flex;align-items:center;gap:2px;}}
.nav-link{
  position:relative;display:inline-block;padding:9px 13px;border-radius:10px;
  color:rgba(255,255,255,.84);font-size:15px;transition:color .2s,background-color .2s;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.10);}
.nav-link.is-active{color:#fff;}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;background:var(--lime);
}
.header-actions{display:flex;align-items:center;gap:8px;}
.icon-btn{
  width:38px;height:38px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  color:#fff;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
  transition:background-color .2s,transform .2s,border-color .2s;
}
.icon-btn:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.3);}
.icon-btn:active{transform:translateY(1px);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:600;font-size:15px;line-height:1;
  padding:12px 20px;transition:background-color .2s,color .2s,transform .2s,box-shadow .2s,border-color .2s;
  border:1px solid transparent;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -12px rgba(232,69,44,.85);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.42);}
.btn-outline:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.1);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn-sm{padding:9px 15px;font-size:14px;}
.header-cta{display:none;}
@media(min-width:768px){.header-cta{display:inline-flex;}}
.hamburger{display:inline-flex;}
@media(min-width:1024px){.hamburger{display:none;}}
.mobile-drawer{
  position:fixed;top:64px;left:0;right:0;bottom:0;z-index:55;background:var(--deep);
  padding:24px 20px 40px;overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-link{
  display:block;padding:16px 4px;font-size:18px;color:rgba(255,255,255,.85);
  border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer-link:hover{color:var(--lime);}
.drawer-link.is-active{color:var(--lime);}
.drawer-cta{margin-top:26px;display:flex;}
.drawer-cta .btn{width:100%;}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;color:#fff;padding:112px 0 56px;
  background-image:linear-gradient(180deg,rgba(16,26,22,.88),rgba(16,26,22,.7)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
@media(min-width:1024px){.article-hero{padding:150px 0 72px;}}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:20px;}
.crumb a{color:rgba(255,255,255,.78);}
.crumb a:hover{color:var(--lime);}
.crumb .sep{color:rgba(255,255,255,.34);}
.crumb .now{color:rgba(255,255,255,.92);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1;
  padding:7px 12px;border-radius:999px;background:rgba(201,242,77,.16);color:var(--lime);
  border:1px solid rgba(201,242,77,.32);letter-spacing:.4px;
}
.article-title{
  font-size:clamp(26px,3.6vw,42px);line-height:1.32;font-weight:700;letter-spacing:-.4px;
  color:#fff;margin:18px 0 0;max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;margin-top:22px;font-size:14px;color:rgba(255,255,255,.72);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.35);}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;}

/* ---------- 正文布局 ---------- */
.article-body{padding:56px 0 8px;background:var(--paper);}
@media(min-width:1024px){.article-body{padding:88px 0 8px;}}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;justify-content:center;}
@media(min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,760px) 200px;gap:48px;align-items:start;}
}
.article-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 20px;box-shadow:var(--sh-card);
}
@media(min-width:768px){.article-panel{padding:38px 40px;}}
@media(min-width:1024px){.article-panel{padding:44px 48px;}}

/* ---------- 中文长文排版 ---------- */
.prose-cn{font-size:16.5px;line-height:1.9;color:var(--ink-2);}
.prose-cn > *:first-child{margin-top:0;}
.prose-cn p{margin:0 0 1.15em;}
.prose-cn strong{color:var(--ink);font-weight:600;}
.prose-cn h2{
  position:relative;font-size:clamp(20px,2.2vw,23px);line-height:1.45;font-weight:700;color:var(--ink);
  margin:2em 0 .8em;padding-left:16px;scroll-margin-top:96px;
}
.prose-cn h2::before{
  content:"";position:absolute;left:0;top:.3em;height:1em;width:3px;border-radius:2px;background:var(--brand);
}
.prose-cn h3{font-size:18.5px;line-height:1.5;font-weight:600;color:var(--ink);margin:1.6em 0 .6em;scroll-margin-top:96px;}
.prose-cn h4{font-size:16.5px;font-weight:600;color:var(--ink);margin:1.4em 0 .5em;}
.prose-cn ul,.prose-cn ol{margin:0 0 1.15em;padding-left:1.4em;}
.prose-cn ul li{list-style:disc;margin:.4em 0;}
.prose-cn ol li{list-style:decimal;margin:.4em 0;}
.prose-cn ul li::marker{color:var(--brand);}
.prose-cn ol li::marker{color:var(--accent);font-weight:600;}
.prose-cn blockquote{
  margin:1.5em 0;padding:14px 18px;border-left:3px solid var(--accent);
  background:rgba(15,140,122,.07);border-radius:12px;color:var(--ink-2);
}
.prose-cn blockquote p:last-child{margin-bottom:0;}
.prose-cn img{max-width:100%;border-radius:var(--r-img);border:1px solid var(--line);margin:1.6em auto;}
.prose-cn figure{margin:1.6em 0;}
.prose-cn figcaption{font-size:13.5px;color:var(--ink-3);text-align:center;margin-top:10px;}
.prose-cn a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;}
.prose-cn a:hover{color:var(--brand);}
.prose-cn table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;display:block;overflow-x:auto;}
.prose-cn th,.prose-cn td{border:1px solid var(--line);padding:10px 13px;text-align:left;white-space:nowrap;}
.prose-cn th{background:var(--surface-2);color:var(--ink);font-weight:600;}
.prose-cn tbody tr:nth-child(even) td{background:#FBFAF7;}
.prose-cn code{background:var(--surface-2);border-radius:6px;padding:2px 6px;font-size:.92em;color:var(--brand-dark);}
.prose-cn pre{background:var(--deep);color:#DCEAE4;padding:16px 18px;border-radius:12px;overflow-x:auto;margin:1.6em 0;line-height:1.7;}
.prose-cn pre code{background:none;color:inherit;padding:0;}
.prose-cn hr{border:none;border-top:1px solid var(--line);margin:2em 0;}
.prose-cn .tip,.prose-cn .notice{
  display:block;margin:1.5em 0;padding:14px 18px;border-radius:12px;
  background:rgba(201,242,77,.18);border:1px solid rgba(15,140,122,.22);color:var(--ink-2);font-size:15.5px;
}

/* ---------- 目录 ---------- */
.toc-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 18px 14px;box-shadow:var(--sh-card);
}
.toc-title{font-size:13px;letter-spacing:1.6px;color:var(--ink-3);font-weight:600;margin-bottom:12px;}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;padding:7px 10px;border-radius:8px;font-size:14px;line-height:1.5;color:var(--ink-2);
  border-left:2px solid transparent;transition:color .2s,background-color .2s,border-color .2s;
}
.toc-list a:hover{color:var(--brand);background:var(--surface-2);}
.toc-list a.is-current{color:var(--brand);border-left-color:var(--brand);background:rgba(232,69,44,.07);font-weight:600;}
.toc-sticky{position:sticky;top:104px;}
.toc-mobile-toggle{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink);border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:9px 16px;margin-bottom:18px;}
.toc-mobile-toggle:hover{border-color:var(--brand);color:var(--brand);}
.toc-mobile-panel{display:none;margin-bottom:22px;}
.toc-mobile-panel.is-open{display:block;}
@media(min-width:1024px){.toc-aside{display:block;}.toc-mobile-wrap{display:none;}}

/* ---------- 空态 ---------- */
.empty-state{text-align:center;padding:40px 12px 32px;}
.empty-state .empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;color:var(--ink-3);
}
.empty-state h2{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--ink-3);margin-bottom:22px;}

/* ---------- 标签与操作 ---------- */
.article-foot{margin-top:34px;padding-top:26px;border-top:1px solid var(--line-soft);display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;font-size:13px;line-height:1;padding:8px 14px;border-radius:999px;
  background:var(--surface-2);color:var(--ink-2);border:1px solid transparent;transition:background-color .2s,color .2s,border-color .2s;
}
.tag:hover{background:rgba(232,69,44,.1);color:var(--brand);border-color:rgba(232,69,44,.25);}
.article-nav-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 相关推荐 ---------- */
.section{padding:56px 0;}
@media(min-width:1024px){.section{padding:96px 0;}}
.section-head{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end;justify-content:space-between;margin-bottom:32px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;color:var(--ink);}
.section-head p{font-size:14.5px;color:var(--ink-3);margin-top:8px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--accent);}
.text-link:hover{color:var(--brand);}
.grid-3{display:grid;grid-template-columns:1fr;gap:22px;}
@media(min-width:768px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}}
.post-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-card-hover);border-color:rgba(232,69,44,.28);}
.post-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-cover img{transform:scale(1.04);}
.post-cat{
  position:absolute;left:12px;top:12px;font-size:12px;line-height:1;padding:6px 11px;border-radius:999px;
  background:rgba(15,140,122,.92);color:#fff;letter-spacing:.3px;
}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:17px;line-height:1.5;font-weight:600;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card:hover .post-body h3{color:var(--brand);}
.post-excerpt{font-size:14.5px;line-height:1.75;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--line-soft);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);}

/* ---------- CTA 深色带 ---------- */
.cta-band{
  background:var(--deep);color:#fff;position:relative;overflow:hidden;
  padding:64px 0;
}
@media(min-width:1024px){.cta-band{padding:88px 0;}}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:26px 26px;pointer-events:none;opacity:.5;
}
.cta-inner{position:relative;z-index:1;display:grid;gap:26px;align-items:center;}
@media(min-width:1024px){.cta-inner{grid-template-columns:1.4fr 1fr;gap:48px;}}
.cta-inner h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;font-weight:700;color:#fff;}
.cta-inner p{margin-top:14px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.72);max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media(min-width:1024px){.cta-actions{justify-content:flex-end;}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);padding:64px 0 0;border-top:1px solid rgba(255,255,255,.12);}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media(min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:36px;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-col h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-col a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:3px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-about{font-size:14.5px;line-height:1.85;max-width:330px;color:rgba(255,255,255,.66);}
.footer-bottom{
  margin-top:48px;padding:18px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13.5px;color:rgba(255,255,255,.55);
}

/* roulang page: category1 */
:root{
  --paper:#F7F5F0;
  --surface:#FFFFFF;
  --surface-2:#EFEBE3;
  --line:#E2DCD2;
  --line-soft:#EDE8DF;
  --ink:#1A211E;
  --ink-2:#4A544E;
  --ink-3:#7C857F;
  --brand:#E8452C;
  --brand-dark:#B7331F;
  --accent:#0F8C7A;
  --lime:#C9F24D;
  --deep:#101A16;
  --ok:#1F8A5F;
  --warn:#C9761B;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-nav:16px;
  --shadow-card:0 1px 2px rgba(16,26,22,.06);
  --shadow-hover:0 12px 28px -12px rgba(16,26,22,.18);
  --shadow-nav:0 8px 24px -12px rgba(16,26,22,.45);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid rgba(232,69,44,.45);outline-offset:2px;border-radius:6px}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.3px}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.25;font-weight:700}
h2{font-size:clamp(24px,3vw,36px);line-height:1.3;font-weight:700}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

.container-x{max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container-x{padding:0 32px}}
@media (min-width:1024px){.container-x{padding:0 40px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:70;
  background:rgba(16,26,22,.42);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.14);
  transition:background-color .24s ease,box-shadow .24s ease,height .24s ease;
}
.site-header.is-scrolled{background:var(--deep);box-shadow:var(--shadow-nav);border-bottom-color:rgba(255,255,255,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
@media (min-width:1024px){.header-inner{height:72px}}

.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:10px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand),var(--brand-dark));
  box-shadow:0 6px 16px -8px rgba(232,69,44,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{color:#fff;font-size:16px;font-weight:700;letter-spacing:.2px}
.brand-text em{color:rgba(255,255,255,.66);font-style:normal;font-size:11px;letter-spacing:2px;margin-top:2px}

.nav-links{display:none;align-items:center;gap:4px}
@media (min-width:1024px){.nav-links{display:flex}}
.nav-link{
  position:relative;display:inline-block;padding:8px 14px;border-radius:8px;
  font-size:15px;color:rgba(255,255,255,.76);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link.is-active{color:#fff;font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--lime);
}

.header-actions{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -12px rgba(232,69,44,.95)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.75)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}

.icon-btn{
  width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  color:#fff;border:1px solid rgba(255,255,255,.24);
  transition:background-color .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5)}

.nav-toggle{display:flex;width:38px;height:38px;border-radius:10px;align-items:center;justify-content:center;color:#fff;border:1px solid rgba(255,255,255,.24)}
.nav-toggle:hover{background:rgba(255,255,255,.14)}
@media (min-width:1024px){.nav-toggle{display:none}}

.mobile-drawer{
  display:none;background:var(--deep);border-top:1px solid rgba(255,255,255,.1);
  padding:20px;max-height:calc(100vh - 64px);overflow-y:auto;
}
.mobile-drawer.is-open{display:block}
@media (min-width:1024px){.mobile-drawer.is-open{display:none}}
.mobile-drawer a{display:block;color:rgba(255,255,255,.84);font-size:17px;padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.08)}
.mobile-drawer a:hover{color:var(--lime)}
.mobile-drawer .drawer-cta{margin-top:18px;border-bottom:0}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  padding:112px 0 56px;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  color:#fff;
}
@media (min-width:1024px){.cat-hero{padding:150px 0 72px}}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(16,26,22,.94) 0%,rgba(16,26,22,.78) 48%,rgba(16,26,22,.55) 100%);
}
.cat-hero-inner{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:16px}
.breadcrumb a{color:rgba(255,255,255,.68)}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb span[aria-current]{color:rgba(255,255,255,.92)}
.cat-hero h1{color:#fff;margin-bottom:14px}
.cat-hero h1 em{font-style:normal;color:var(--lime)}
.cat-hero-sub{font-size:16px;color:rgba(255,255,255,.78);max-width:560px}
.cat-hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-chip{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;
  font-size:13px;color:rgba(255,255,255,.86);background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
}

/* ---------- 分类导览条 ---------- */
.cat-navbar{position:sticky;top:64px;z-index:50;background:var(--surface);border-bottom:1px solid var(--line)}
@media (min-width:1024px){.cat-navbar{top:72px}}
.cat-navbar-inner{display:flex;align-items:center;gap:8px;overflow-x:auto;padding-top:10px;padding-bottom:10px;scrollbar-width:none}
.cat-navbar-inner::-webkit-scrollbar{display:none}
.cat-navbar-label{flex-shrink:0;font-size:13px;color:var(--ink-3);letter-spacing:1px;padding-right:6px;border-right:1px solid var(--line);margin-right:6px}
.cat-nav-item{
  position:relative;flex-shrink:0;padding:8px 14px;border-radius:999px;
  font-size:14px;color:var(--ink-2);border:1px solid transparent;white-space:nowrap;
}
.cat-nav-item:hover{color:var(--brand);background:rgba(232,69,44,.06)}
.cat-nav-item.is-active{color:var(--brand);font-weight:600;border-color:rgba(232,69,44,.28);background:rgba(232,69,44,.07)}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:104px 0}}
.section-dark{background:var(--deep);color:#fff}
.section-dark h2,.section-dark h3{color:#fff}
.section-head{margin-bottom:32px;max-width:720px}
.section-head h2{margin-bottom:12px}
.section-head p{color:var(--ink-2);font-size:16px}
.section-dark .section-head p{color:rgba(255,255,255,.72)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:2px;color:var(--brand);margin-bottom:14px;
}
.section-dark .eyebrow{color:var(--lime)}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:currentColor}

/* ---------- 分类主体布局 ---------- */
.cat-layout{display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:1024px){.cat-layout{grid-template-columns:240px minmax(0,1fr);gap:36px;align-items:start}}

.cat-side{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:16px;box-shadow:var(--shadow-card);
}
@media (min-width:1024px){.cat-side{position:sticky;top:140px;padding:18px}}
.cat-side-title{font-size:13px;letter-spacing:1.5px;color:var(--ink-3);margin-bottom:12px;padding-left:6px}
.cat-side-list{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}
.cat-side-list::-webkit-scrollbar{display:none}
@media (min-width:1024px){.cat-side-list{flex-direction:column;overflow:visible;gap:4px}}
.cat-side-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  flex-shrink:0;padding:10px 14px;border-radius:10px;font-size:15px;color:var(--ink-2);
  border:1px solid var(--line);background:#fff;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
@media (min-width:1024px){.cat-side-link{border-color:transparent;background:transparent;width:100%}}
.cat-side-link .side-count{font-size:12px;color:var(--ink-3)}
.cat-side-link:hover{background:rgba(232,69,44,.06);color:var(--brand);transform:translateX(2px)}
@media (min-width:1024px){.cat-side-link:hover{transform:none}}
.cat-side-link.is-active{background:var(--brand);color:#fff;border-color:var(--brand);font-weight:600}
.cat-side-link.is-active .side-count{color:rgba(255,255,255,.8)}

.side-note{
  margin-top:16px;padding:14px;border-radius:12px;
  background:rgba(15,140,122,.08);border:1px solid rgba(15,140,122,.2);
}
.side-note h4{font-size:14px;color:var(--accent);margin-bottom:6px}
.side-note p{font-size:13px;line-height:1.7;color:var(--ink-2)}

.cat-main-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:22px}
.cat-main-head h2{font-size:22px}
.cat-main-head p{font-size:14px;color:var(--ink-3)}

/* ---------- 卡片网格 ---------- */
.card-grid-3{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:640px){.card-grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.card-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}}

.content-card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.content-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(232,69,44,.22)}
.content-card-media{position:relative;display:block;height:172px;overflow:hidden;background:var(--surface-2)}
.content-card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .45s ease}
.content-card:hover .content-card-media img{transform:scale(1.04)}
.content-card-badge{
  position:absolute;left:12px;top:12px;padding:4px 10px;border-radius:999px;
  font-size:12px;font-weight:600;color:#fff;background:rgba(16,26,22,.72);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.content-card-body{display:flex;flex-direction:column;flex:1;padding:18px 18px 20px}
.content-card-title{font-size:17px;line-height:1.5;margin-bottom:8px}
.content-card-title a:hover{color:var(--brand)}
.content-card-desc{font-size:14px;line-height:1.75;color:var(--ink-2);margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.tag{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;
  font-size:12px;color:var(--ink-2);background:var(--surface-2);border:1px solid var(--line-soft);
}
.tag-accent{color:var(--accent);background:rgba(15,140,122,.1);border-color:rgba(15,140,122,.2)}

/* ---------- 数据带 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
@media (min-width:1024px){.stat-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}}
.stat-cell{padding:22px 20px;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-card);background:rgba(255,255,255,.03)}
.stat-num{font-size:clamp(30px,4vw,44px);font-weight:700;line-height:1.1;letter-spacing:-1px;color:var(--brand)}
.stat-num.is-lime{color:var(--lime)}
.stat-label{margin-top:8px;font-size:14px;color:rgba(255,255,255,.72)}

.topic-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px}
.topic-pill{
  padding:8px 16px;border-radius:999px;font-size:14px;color:rgba(255,255,255,.82);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.04);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.topic-pill:hover{color:var(--deep);background:var(--lime);border-color:var(--lime)}

/* ---------- 预留内容位 ---------- */
.placeholder-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.placeholder-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.placeholder-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.placeholder-card{
  padding:28px 24px;border-radius:var(--radius-card);text-align:center;
  background:var(--surface-2);border:1px dashed var(--line);
  transition:border-color .24s ease,background-color .24s ease;
}
.placeholder-card:hover{border-color:rgba(232,69,44,.4);background:#fff}
.placeholder-icon{
  width:48px;height:48px;margin:0 auto 14px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);color:var(--brand);
}
.placeholder-card h3{font-size:16px;margin-bottom:8px}
.placeholder-card p{font-size:14px;color:var(--ink-2);line-height:1.75}

/* ---------- CTA ---------- */
.section-cta{background:var(--brand);color:#fff}
.section-cta h2{color:#fff}
.cta-box{display:flex;flex-direction:column;gap:26px;align-items:flex-start}
@media (min-width:1024px){.cta-box{flex-direction:row;align-items:center;justify-content:space-between;gap:48px}}
.cta-text{max-width:620px}
.cta-text p{margin-top:12px;font-size:16px;color:rgba(255,255,255,.88)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.section-cta .btn-primary{background:#fff;color:var(--brand-dark);box-shadow:0 10px 24px -14px rgba(0,0,0,.6)}
.section-cta .btn-primary:hover{background:var(--deep);color:#fff}
.section-cta .btn-ghost{border-color:rgba(255,255,255,.6)}
.section-cta .btn-ghost:hover{background:rgba(255,255,255,.16)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:#fff;padding:56px 0 26px;border-top:1px solid rgba(255,255,255,.12)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.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:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:340px}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.4px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col ul li a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --paper:#F7F5F0;
  --surface:#FFFFFF;
  --surface-2:#EFEBE3;
  --line:#E2DCD2;
  --line-soft:#EDE8DF;
  --ink:#1A211E;
  --ink-2:#4A544E;
  --ink-3:#7C857F;
  --brand:#E8452C;
  --brand-dark:#B7331F;
  --accent:#0F8C7A;
  --lime:#C9F24D;
  --deep:#101A16;
  --ok:#1F8A5F;
  --warn:#C9761B;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(16,26,22,.06);
  --shadow-hover:0 12px 28px -12px rgba(16,26,22,.18);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,opacity .2s ease}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid rgba(232,69,44,.55);outline-offset:2px;border-radius:8px}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){.container-x{padding-left:32px;padding-right:32px}}
@media (min-width:1024px){.container-x{padding-left:40px;padding-right:40px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  background:rgba(16,26,22,.42);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.14);
  transition:background-color .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.is-scrolled{
  background:var(--deep);
  border-bottom-color:rgba(255,255,255,.08);
  box-shadow:0 8px 24px -12px rgba(16,26,22,.45);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:64px;
}
@media (min-width:1024px){.nav-inner{height:72px}}

.brand{display:inline-flex;align-items:center;gap:10px;color:#fff}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);
  box-shadow:0 6px 16px -8px rgba(232,69,44,.9);
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:15px;font-weight:700;letter-spacing:.2px}
.brand-text em{font-size:11px;font-style:normal;color:rgba(255,255,255,.7);letter-spacing:2px}

.nav-links{display:none}
@media (min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:4px}
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 13px;
  border-radius:10px;
  font-size:15px;
  color:rgba(255,255,255,.8);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-link.is-active{color:#fff;background:rgba(255,255,255,.14)}
.nav-link.is-active::after{
  content:"";
  position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:var(--lime);border-radius:2px;
}

.nav-actions{display:flex;align-items:center;gap:8px}
.icon-btn{
  width:38px;height:38px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;border:1px solid rgba(255,255,255,.24);
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.4);transform:translateY(-1px)}
.menu-btn{display:inline-flex}
@media (min-width:1024px){.menu-btn{display:none}}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-sm{padding:9px 15px;font-size:14px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -12px rgba(232,69,44,.95)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:var(--line);background:transparent;color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:rgba(15,140,122,.06)}
.btn-light-ghost{border-color:rgba(255,255,255,.42);color:#fff;background:transparent}
.btn-light-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.7)}

/* 移动端抽屉 */
.mobile-drawer{
  display:block;
  max-height:0;
  overflow:hidden;
  background:var(--deep);
  border-top:1px solid rgba(255,255,255,.1);
  transition:max-height .3s ease;
}
.mobile-drawer.is-open{max-height:420px}
@media (min-width:1024px){.mobile-drawer{display:none}}
.mobile-drawer .drawer-inner{padding:14px 20px 22px}
.mobile-drawer a{
  display:block;
  padding:13px 12px;
  border-radius:10px;
  color:rgba(255,255,255,.86);
  font-size:17px;
  font-weight:600;
}
.mobile-drawer a:hover{background:rgba(255,255,255,.1);color:#fff}
.mobile-drawer a.is-active{color:var(--lime);background:rgba(255,255,255,.08)}
.drawer-cta{margin-top:12px}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  padding:132px 0 64px;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
@media (min-width:1024px){.cat-hero{padding:172px 0 88px}}
.cat-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,26,22,.86) 0%,rgba(16,26,22,.9) 60%,rgba(16,26,22,.94) 100%);
}
.cat-hero .container-x{position:relative;z-index:2;text-align:center}
.crumb{
  display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:14px;color:rgba(255,255,255,.62);margin-bottom:18px;
}
.crumb a:hover{color:var(--lime)}
.crumb span.sep{color:rgba(255,255,255,.35)}
.crumb .current{color:rgba(255,255,255,.9)}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;line-height:1;
  background:rgba(201,242,77,.16);
  color:var(--lime);
  border:1px solid rgba(201,242,77,.34);
  letter-spacing:.5px;
}
.badge-accent{background:rgba(15,140,122,.12);color:var(--accent);border-color:rgba(15,140,122,.28)}
.badge-brand{background:rgba(232,69,44,.12);color:var(--brand);border-color:rgba(232,69,44,.3)}

.cat-hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.25;
  letter-spacing:-.5px;
  font-weight:700;
  margin:16px 0 14px;
}
.cat-hero .hero-sub{
  font-size:16px;
  line-height:1.9;
  color:rgba(255,255,255,.76);
  max-width:640px;
  margin:0 auto;
}
.hero-actions{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:28px;
}

/* ============ 分类导览条 ============ */
.cat-strip{
  background:var(--surface);
  border-bottom:1px solid var(--line);
  position:relative;
  z-index:5;
}
.cat-strip-inner{
  display:flex;
  align-items:center;
  gap:6px;
  overflow-x:auto;
  padding:10px 0;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.cat-strip-inner::-webkit-scrollbar{display:none}
.strip-link{
  flex:0 0 auto;
  position:relative;
  padding:9px 14px;
  border-radius:10px;
  font-size:15px;
  color:var(--ink-2);
  white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.strip-link:hover{color:var(--accent);background:rgba(15,140,122,.06)}
.strip-link.is-current{
  color:var(--brand);
  font-weight:600;
}
.strip-link.is-current::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}

/* ============ 通用板块 ============ */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:104px 0}}
.section-alt{background:var(--surface-2)}
.section-dark{background:var(--deep);color:#fff}
.section-head{max-width:720px;margin-bottom:32px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.3px;
}
.section-head p{
  margin-top:14px;
  font-size:16px;
  line-height:1.9;
  color:var(--ink-2);
}
.section-dark .section-head p{color:rgba(255,255,255,.72)}

/* ============ 登录步骤区 ============ */
.guide-grid{display:grid;gap:28px}
@media (min-width:1024px){
  .guide-grid{grid-template-columns:minmax(0,7.4fr) minmax(0,4.6fr);gap:40px;align-items:start}
}
.step-list{display:grid;gap:18px;margin-top:8px}
.step{
  display:flex;
  gap:18px;
  padding:22px 22px 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(232,69,44,.28)}
.step-num{
  flex:0 0 auto;
  font-size:40px;
  line-height:1;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:transparent;
  -webkit-text-stroke:1.5px var(--line);
  transition:color .22s ease,-webkit-text-stroke-color .22s ease;
}
@media (min-width:1024px){.step-num{font-size:48px}}
.step:hover .step-num{color:var(--brand);-webkit-text-stroke-color:var(--brand)}
.step.is-key .step-num{color:var(--brand);-webkit-text-stroke-color:var(--brand)}
.step h3{font-size:20px;line-height:1.4;font-weight:600;margin-bottom:8px}
.step p{font-size:15.5px;line-height:1.9;color:var(--ink-2)}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:999px;
  font-size:12px;line-height:1.6;
  background:var(--surface-2);
  color:var(--ink-2);
  border:1px solid var(--line-soft);
}
.tag-lime{background:rgba(201,242,77,.22);color:#4A5A12;border-color:rgba(201,242,77,.6)}
.tag-accent{background:rgba(15,140,122,.1);color:var(--accent);border-color:rgba(15,140,122,.24)}

/* 侧栏 */
.side-col{display:grid;gap:20px}
@media (min-width:1024px){.side-col{position:sticky;top:96px}}
.side-figure{
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface);
  box-shadow:var(--shadow-card);
}
.side-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.side-figure figcaption{
  padding:12px 16px;font-size:13px;color:var(--ink-3);line-height:1.7;
  border-top:1px solid var(--line-soft);
}
.side-note{
  background:rgba(15,140,122,.08);
  border:1px solid rgba(15,140,122,.22);
  border-radius:var(--radius-card);
  padding:22px;
}
.side-note h3{
  font-size:17px;font-weight:600;margin-bottom:14px;color:#0B6A5D;
  display:flex;align-items:center;gap:8px;
}
.side-note ul{display:grid;gap:12px}
.side-note li{
  display:flex;gap:10px;
  font-size:14.5px;line-height:1.8;color:var(--ink-2);
}
.side-note li .dot{
  flex:0 0 auto;width:6px;height:6px;border-radius:50%;
  background:var(--accent);margin-top:11px;
}

/* ============ 检查要点 ============ */
.check-grid{display:grid;gap:20px}
@media (min-width:768px){.check-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.check-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.check-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
  box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.check-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(15,140,122,.3)}
.check-icon{
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(232,69,44,.12);
  color:var(--brand);
  margin-bottom:14px;
}
.check-card:nth-child(2) .check-icon{background:rgba(15,140,122,.12);color:var(--accent)}
.check-card:nth-child(3) .check-icon{background:rgba(201,242,77,.3);color:#57661A}
.check-card:nth-child(4) .check-icon{background:rgba(201,118,27,.14);color:var(--warn)}
.check-card h3{font-size:18px;font-weight:600;margin-bottom:8px}
.check-card p{font-size:14.5px;line-height:1.85;color:var(--ink-2)}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;align-items:center;gap:14px;
  padding:20px 4px;
  text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-q .idx{
  flex:0 0 auto;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
  color:var(--ink-3);transition:color .2s ease;
  min-width:26px;
}
.faq-item.is-open .faq-q .idx{color:var(--brand)}
.faq-q .q-text{flex:1 1 auto}
.faq-q .sign{
  flex:0 0 auto;
  width:26px;height:26px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  color:var(--ink-2);
  font-size:15px;line-height:1;
  transition:transform .2s ease,color .2s ease,border-color .2s ease,background-color .2s ease;
}
.faq-item.is-open .faq-q .sign{
  transform:rotate(45deg);
  color:#fff;background:var(--brand);border-color:var(--brand);
}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .2s ease;
}
.faq-a-inner{padding:0 4px 22px 40px;font-size:15.5px;line-height:1.85;color:var(--ink-2)}

/* ============ 内容卡片 ============ */
.card-grid{display:grid;gap:22px}
@media (min-width:768px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.content-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.content-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(232,69,44,.26)}
.cover{position:relative;overflow:hidden;background:var(--surface-2)}
.cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.content-card:hover .cover img{transform:scale(1.04)}
.cover-badge{
  position:absolute;left:12px;top:12px;
  padding:4px 10px;border-radius:999px;
  font-size:12px;line-height:1.6;
  background:rgba(15,140,122,.92);color:#fff;
}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-body h3{font-size:19px;font-weight:600;line-height:1.45}
.content-card:hover .card-body h3{color:var(--brand)}
.card-body p{font-size:14.5px;line-height:1.85;color:var(--ink-2)}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.text-link:hover{color:var(--brand-dark);gap:9px}

/* ============ CTA ============ */
.cta-band{
  background:var(--deep);
  color:#fff;
  border-radius:0;
  padding:64px 0;
  position:relative;
  overflow:hidden;
}
@media (min-width:1024px){.cta-band{padding:96px 0}}
.cta-band::after{
  content:"";
  position:absolute;right:-120px;top:-120px;
  width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(201,242,77,.18);
}
.cta-inner{
  position:relative;z-index:2;
  display:grid;gap:26px;
  align-items:center;
}
@media (min-width:1024px){
  .cta-inner{grid-template-columns:minmax(0,1fr) auto;gap:40px}
}
.cta-inner h2{
  font-size:clamp(24px,3vw,34px);line-height:1.32;font-weight:700;letter-spacing:-.3px;
}
.cta-inner p{
  margin-top:14px;font-size:16px;line-height:1.9;color:rgba(255,255,255,.74);max-width:620px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--deep);
  color:#fff;
  padding:56px 0 24px;
  border-top:1px solid rgba(255,255,255,.12);
}
@media (min-width:1024px){.site-footer{padding:72px 0 28px}}
.footer-grid{display:grid;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:320px}
.footer-col h3{font-size:15px;font-weight:600;margin-bottom:16px;color:#fff}
.footer-col ul{display:grid;gap:11px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72);text-decoration:underline transparent;text-underline-offset:4px}
.footer-col ul a:hover{color:var(--lime);text-decoration-color:var(--lime)}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.52);
}

/* roulang page: category2 */
:root{
    --paper:#F7F5F0;
    --surface:#FFFFFF;
    --surface-2:#EFEBE3;
    --line:#E2DCD2;
    --line-soft:#EDE8DF;
    --ink:#1A211E;
    --ink-2:#4A544E;
    --ink-3:#7C857F;
    --brand:#E8452C;
    --brand-dark:#B7331F;
    --accent:#0F8C7A;
    --lime:#C9F24D;
    --deep:#101A16;
    --radius-card:14px;
    --radius-btn:10px;
    --radius-img:12px;
    --shadow-card:0 1px 2px rgba(16,26,22,.06);
    --shadow-hover:0 12px 28px -12px rgba(16,26,22,.18);
    --container:1200px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  .page-body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  .page-body img{max-width:100%;display:block;}
  .page-body a{color:inherit;}
  .page-body button{font-family:inherit;}
  .page-body :focus-visible{outline:2px solid rgba(232,69,44,.6);outline-offset:2px;border-radius:6px;}

  .container-x{
    width:100%;
    max-width:var(--container);
    margin:0 auto;
    padding:0 20px;
  }
  @media (min-width:768px){ .container-x{padding:0 32px;} }
  @media (min-width:1024px){ .container-x{padding:0 40px;} }

  /* ============ 顶部导航 ============ */
  .site-header{
    position:fixed;
    top:0;left:0;right:0;
    z-index:60;
    background:rgba(16,26,22,.42);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    backdrop-filter:blur(14px) saturate(140%);
    border-bottom:1px solid rgba(255,255,255,.14);
    transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
  }
  .site-header.is-scrolled{
    background:var(--deep);
    border-bottom-color:rgba(255,255,255,.08);
    box-shadow:0 8px 24px -12px rgba(16,26,22,.45);
  }
  .header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    height:64px;
  }
  @media (min-width:1024px){ .header-inner{height:72px;} }

  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    text-decoration:none;
    color:#fff;
    flex-shrink:0;
  }
  .brand-mark{
    width:38px;height:38px;
    border-radius:11px;
    display:grid;place-items:center;
    background:linear-gradient(135deg,var(--brand),var(--brand-dark));
    box-shadow:0 8px 18px -10px rgba(232,69,44,.9);
    flex-shrink:0;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.06;}
  .brand-text strong{font-size:15px;font-weight:700;letter-spacing:.3px;}
  .brand-text em{
    font-style:normal;
    font-size:11px;
    letter-spacing:3px;
    color:rgba(255,255,255,.66);
  }

  .nav-links{display:none;}
  @media (min-width:1024px){
    .nav-links{display:flex;align-items:center;gap:2px;}
  }
  .nav-link{
    position:relative;
    display:inline-block;
    padding:9px 14px;
    border-radius:999px;
    font-size:15px;
    color:rgba(255,255,255,.82);
    text-decoration:none;
    transition:color .2s ease,background .2s ease;
    white-space:nowrap;
  }
  .nav-link:hover{color:#fff;background:rgba(255,255,255,.1);}
  .nav-link:active{background:rgba(255,255,255,.18);}
  .nav-link.is-active{color:#fff;font-weight:600;}
  .nav-link.is-active::after{
    content:"";
    position:absolute;
    left:14px;right:14px;bottom:2px;
    height:2px;border-radius:2px;
    background:var(--lime);
  }

  .header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .icon-btn{
    width:40px;height:40px;
    border-radius:10px;
    display:none;
    place-items:center;
    border:1px solid rgba(255,255,255,.22);
    background:rgba(255,255,255,.08);
    color:#fff;
    cursor:pointer;
    transition:background .2s ease,border-color .2s ease,transform .2s ease;
  }
  .icon-btn:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.4);}
  @media (min-width:1024px){ .icon-btn{display:grid;} }

  .menu-btn{
    width:40px;height:40px;
    border-radius:10px;
    display:grid;place-items:center;
    border:1px solid rgba(255,255,255,.22);
    background:rgba(255,255,255,.08);
    color:#fff;
    cursor:pointer;
    transition:background .2s ease;
  }
  .menu-btn:hover{background:rgba(255,255,255,.18);}
  @media (min-width:1024px){ .menu-btn{display:none;} }

  /* ============ 移动端抽屉 ============ */
  .drawer-mask{
    position:fixed;inset:0;
    background:rgba(9,15,12,.55);
    opacity:0;visibility:hidden;
    transition:opacity .28s ease,visibility .28s ease;
    z-index:65;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  .mobile-drawer{
    position:fixed;
    top:0;right:0;bottom:0;
    width:min(86vw,340px);
    background:var(--deep);
    border-left:1px solid rgba(255,255,255,.1);
    z-index:70;
    padding:20px 22px 32px;
    display:flex;
    flex-direction:column;
    gap:6px;
    overflow-y:auto;
    transform:translateX(102%);
    transition:transform .28s ease;
  }
  .mobile-drawer.is-open{transform:translateX(0);}
  .drawer-close{
    align-self:flex-end;
    width:40px;height:40px;
    border-radius:10px;
    display:grid;place-items:center;
    border:1px solid rgba(255,255,255,.2);
    background:rgba(255,255,255,.06);
    color:#fff;
    cursor:pointer;
    margin-bottom:10px;
    transition:background .2s ease;
  }
  .drawer-close:hover{background:rgba(255,255,255,.16);}
  .drawer-link{
    display:block;
    padding:14px 4px;
    font-size:17px;
    color:rgba(255,255,255,.86);
    text-decoration:none;
    border-bottom:1px solid rgba(255,255,255,.1);
    transition:color .2s ease,padding-left .2s ease;
  }
  .drawer-link:hover{color:var(--lime);padding-left:8px;}
  .drawer-link.is-active{color:var(--lime);font-weight:600;}
  .drawer-cta{margin-top:20px;justify-content:center;}
  @media (min-width:1024px){
    .mobile-drawer,.drawer-mask{display:none;}
  }

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    border-radius:var(--radius-btn);
    border:1px solid transparent;
    font-weight:600;
    text-decoration:none;
    cursor:pointer;
    line-height:1.2;
    transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .btn-sm{padding:9px 16px;font-size:14px;}
  .btn-md{padding:12px 22px;font-size:15px;}
  .btn-lg{padding:14px 28px;font-size:16px;}
  .btn-primary{
    background:var(--brand);
    color:#fff;
    box-shadow:0 10px 22px -14px rgba(232,69,44,.95);
  }
  .btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(183,51,31,.95);}
  .btn-primary:active{transform:translateY(0);}
  .btn-outline{
    background:rgba(255,255,255,.06);
    border-color:rgba(255,255,255,.36);
    color:#fff;
  }
  .btn-outline:hover{background:rgba(255,255,255,.16);border-color:#fff;transform:translateY(-1px);}
  .btn-line{
    background:var(--surface);
    border-color:var(--line);
    color:var(--ink);
  }
  .btn-line:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}

  /* ============ 页头通栏 ============ */
  .page-banner{
    position:relative;
    background-image:url('/assets/images/backpic/back-2.webp');
    background-size:cover;
    background-position:center;
    color:#fff;
    padding:118px 0 60px;
    overflow:hidden;
  }
  .page-banner::before{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(104deg,rgba(16,26,22,.95) 0%,rgba(16,26,22,.82) 52%,rgba(16,26,22,.55) 100%);
  }
  .banner-inner{position:relative;z-index:1;}
  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13.5px;
    color:rgba(255,255,255,.62);
    margin-bottom:18px;
  }
  .breadcrumb a{color:rgba(255,255,255,.72);text-decoration:none;transition:color .2s ease;}
  .breadcrumb a:hover{color:var(--lime);}
  .banner-title{
    font-size:clamp(30px,4.4vw,52px);
    line-height:1.22;
    letter-spacing:-.5px;
    font-weight:700;
    margin:0;
  }
  .banner-sub{
    margin:16px 0 0;
    font-size:clamp(15px,1.6vw,17px);
    line-height:1.8;
    color:rgba(255,255,255,.78);
    max-width:640px;
  }
  .banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
  .banner-points{
    display:flex;flex-wrap:wrap;gap:14px 34px;
    margin-top:34px;
    padding-top:24px;
    border-top:1px solid rgba(255,255,255,.14);
  }
  .bp-item{display:flex;align-items:baseline;gap:8px;}
  .bp-num{
    font-size:26px;font-weight:700;
    color:var(--lime);
    font-variant-numeric:tabular-nums;
    line-height:1.1;
  }
  .bp-label{font-size:13.5px;color:rgba(255,255,255,.66);}
  @media (min-width:768px){
    .page-banner{padding:140px 0 76px;}
  }

  /* ============ 分类导览条 ============ */
  .cat-tabs{
    background:var(--surface);
    border-bottom:1px solid var(--line);
    position:sticky;
    top:64px;
    z-index:40;
  }
  @media (min-width:1024px){ .cat-tabs{top:72px;} }
  .cat-tabs-inner{
    display:flex;
    gap:4px;
    overflow-x:auto;
    scrollbar-width:none;
    padding:4px 0;
  }
  .cat-tabs-inner::-webkit-scrollbar{display:none;}
  .cat-tab{
    position:relative;
    display:inline-block;
    padding:14px 16px;
    font-size:15px;
    color:var(--ink-2);
    text-decoration:none;
    white-space:nowrap;
    border-bottom:2px solid transparent;
    transition:color .2s ease,border-color .2s ease;
  }
  .cat-tab:hover{color:var(--ink);}
  .cat-tab.is-current{color:var(--brand);border-bottom-color:var(--brand);font-weight:600;}

  /* ============ 板块骨架 ============ */
  .section{padding:56px 0;}
  @media (min-width:768px){ .section{padding:76px 0;} }
  @media (min-width:1024px){ .section{padding:96px 0;} }
  .section-alt{background:var(--surface);}
  .section-deep{
    background:var(--deep);
    color:#fff;
    padding:80px 0;
  }
  .section-head{
    display:flex;
    flex-wrap:wrap;
    align-items:flex-end;
    justify-content:space-between;
    gap:16px 24px;
    margin-bottom:32px;
  }
  .section-title{
    font-size:clamp(24px,3vw,34px);
    line-height:1.3;
    letter-spacing:-.4px;
    font-weight:700;
    margin:0;
  }
  .section-title .hl{color:var(--brand);}
  .section-desc{
    margin:12px 0 0;
    max-width:660px;
    color:var(--ink-2);
    font-size:16px;
    line-height:1.85;
  }
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:12.5px;
    font-weight:600;
    letter-spacing:1.5px;
    color:var(--brand);
    margin-bottom:12px;
  }
  .eyebrow::before{
    content:"";
    width:22px;height:2px;border-radius:2px;
    background:var(--brand);
  }
  .text-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:15px;
    font-weight:600;
    color:var(--brand);
    text-decoration:none;
    transition:color .2s ease,gap .2s ease;
  }
  .text-link:hover{color:var(--brand-dark);gap:10px;}
  .section-deep .section-title,
  .section-deep .section-desc{color:#fff;}
  .section-deep .section-desc{color:rgba(255,255,255,.68);}

  /* ============ 大图卡 4:3 ============ */
  .card-grid-2{
    display:grid;
    grid-template-columns:1fr;
    gap:22px;
  }
  @media (min-width:768px){ .card-grid-2{grid-template-columns:repeat(2,1fr);gap:24px;} }

  .media-card{
    display:flex;
    flex-direction:column;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    overflow:hidden;
    box-shadow:var(--shadow-card);
    text-decoration:none;
    color:inherit;
    transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  }
  .media-card:hover{
    transform:translateY(-3px);
    box-shadow:var(--shadow-hover);
    border-color:rgba(232,69,44,.32);
  }
  .media-thumb{
    position:relative;
    aspect-ratio:4/3;
    overflow:hidden;
    background:var(--surface-2);
  }
  .media-thumb img{
    width:100%;height:100%;
    object-fit:cover;
    transition:transform .45s ease;
  }
  .media-card:hover .media-thumb img{transform:scale(1.045);}
  .media-thumb::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(16,26,22,.06) 40%,rgba(16,26,22,.55) 100%);
  }
  .thumb-badge{
    position:absolute;
    left:16px;bottom:14px;
    z-index:2;
  }
  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:5px 11px;
    border-radius:999px;
    font-size:12px;
    line-height:1;
    font-weight:600;
    background:rgba(15,140,122,.14);
    color:#0B6B5D;
    letter-spacing:.4px;
  }
  .badge-lime{background:var(--lime);color:#1F3208;}
  .badge-soft{background:var(--surface-2);color:var(--ink-2);}
  .media-body{
    padding:22px;
    display:flex;
    flex-direction:column;
    gap:10px;
    flex:1;
  }
  .media-title{
    font-size:20px;
    line-height:1.4;
    font-weight:600;
    margin:0;
    letter-spacing:-.2px;
    transition:color .2s ease;
  }
  .media-card:hover .media-title{color:var(--brand);}
  .media-text{
    margin:0;
    font-size:15px;
    line-height:1.85;
    color:var(--ink-2);
  }
  .media-meta{
    margin-top:auto;
    padding-top:14px;
    border-top:1px solid var(--line-soft);
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    font-size:13.5px;
    color:var(--ink-3);
    font-variant-numeric:tabular-nums;
  }

  /* ============ 时间轴列表 ============ */
  .timeline{
    border-top:1px solid var(--line);
  }
  .timeline-row{
    display:grid;
    grid-template-columns:1fr auto;
    gap:6px 16px;
    align-items:center;
    padding:18px 14px;
    border-bottom:1px solid var(--line-soft);
    text-decoration:none;
    color:inherit;
    border-radius:10px;
    transition:background .2s ease,transform .2s ease;
  }
  .timeline-row:hover{background:var(--surface);transform:translateX(3px);}
  .tl-date{
    grid-column:1 / -1;
    font-size:13.5px;
    font-weight:600;
    color:var(--ink-3);
    font-variant-numeric:tabular-nums;
    letter-spacing:.4px;
  }
  .tl-main{min-width:0;}
  .tl-title{
    font-size:16.5px;
    font-weight:600;
    line-height:1.55;
    color:var(--ink);
    transition:color .2s ease;
  }
  .timeline-row:hover .tl-title{color:var(--brand);}
  .tl-tag{
    display:inline-block;
    margin-top:6px;
    font-size:12.5px;
    color:var(--ink-3);
  }
  .tl-arrow{
    width:34px;height:34px;
    border-radius:50%;
    display:grid;place-items:center;
    border:1px solid var(--line);
    color:var(--ink-3);
    transition:all .2s ease;
    flex-shrink:0;
  }
  .timeline-row:hover .tl-arrow{
    background:var(--brand);
    border-color:var(--brand);
    color:#fff;
    transform:translateX(3px);
  }
  @media (min-width:768px){
    .timeline-row{grid-template-columns:120px 1fr auto;padding:20px 16px;}
    .tl-date{grid-column:auto;font-size:14px;}
  }

  /* ============ 数据带 ============ */
  .stats-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:30px 20px;
  }
  @media (min-width:768px){ .stats-grid{grid-template-columns:repeat(4,1fr);gap:24px;} }
  .stat-cell{
    padding-left:18px;
    border-left:1px solid rgba(255,255,255,.14);
  }
  .stat-num{
    margin:0;
    font-size:clamp(30px,4vw,44px);
    font-weight:700;
    line-height:1.1;
    font-variant-numeric:tabular-nums;
    letter-spacing:-1px;
    color:#fff;
  }
  .stat-num.is-lime{color:var(--lime);}
  .stat-label{
    margin:10px 0 0;
    font-size:13.5px;
    color:rgba(255,255,255,.64);
  }

  /* ============ 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:flex-start;
    gap:14px;
    padding:20px 4px;
    background:none;
    border:0;
    text-align:left;
    font-size:17px;
    font-weight:600;
    color:var(--ink);
    cursor:pointer;
    transition:color .2s ease;
  }
  .faq-q:hover{color:var(--brand);}
  .faq-idx{
    font-variant-numeric:tabular-nums;
    font-weight:700;
    color:var(--ink-3);
    transition:color .2s ease;
    flex-shrink:0;
  }
  .faq-item.is-open .faq-idx{color:var(--brand);}
  .faq-text{flex:1;line-height:1.6;}
  .faq-icon{
    flex-shrink:0;
    width:24px;height:24px;
    display:grid;place-items:center;
    color:var(--ink-3);
    transition:transform .2s ease,color .2s ease;
    font-size:20px;
    line-height:1;
    margin-top:2px;
  }
  .faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--brand);}
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .2s ease;
  }
  .faq-a-inner{
    padding:0 44px 22px 40px;
    font-size:15.5px;
    line-height:1.85;
    color:var(--ink-2);
  }
  .faq-a-inner a{color:var(--brand);text-decoration:none;}
  .faq-a-inner a:hover{text-decoration:underline;}

  /* ============ 内容位卡片 ============ */
  .slot-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:22px;
  }
  @media (min-width:768px){ .slot-grid{grid-template-columns:repeat(3,1fr);gap:24px;} }
  .slot-card{
    display:flex;
    flex-direction:column;
    gap:12px;
    padding:26px 24px;
    min-height:196px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-card);
    transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  }
  .slot-card:hover{
    transform:translateY(-3px);
    box-shadow:var(--shadow-hover);
    border-color:rgba(15,140,122,.3);
  }
  .slot-title{font-size:18px;font-weight:600;margin:0;line-height:1.45;}
  .slot-text{margin:0;font-size:14.5px;line-height:1.85;color:var(--ink-2);}
  .slot-note{
    margin-top:auto;
    padding-top:14px;
    border-top:1px dashed var(--line);
    font-size:13px;
    color:var(--ink-3);
  }

  /* ============ 底部 CTA ============ */
  .cta-band{
    background:linear-gradient(118deg,#16251F 0%,#101A16 62%,#0C1512 100%);
    color:#fff;
    padding:80px 0;
    border-top:1px solid rgba(255,255,255,.08);
  }
  .cta-inner{
    display:flex;
    flex-direction:column;
    gap:24px;
    align-items:flex-start;
  }
  @media (min-width:1024px){
    .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;}
  }
  .cta-title{
    font-size:clamp(22px,2.6vw,32px);
    line-height:1.35;
    font-weight:700;
    margin:0;
    letter-spacing:-.4px;
  }
  .cta-text{
    margin:12px 0 0;
    font-size:15.5px;
    line-height:1.8;
    color:rgba(255,255,255,.7);
    max-width:560px;
  }
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0;}

  /* ============ 页脚 ============ */
  .site-footer{
    background:var(--deep);
    color:#fff;
    padding:64px 0 0;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:34px;
  }
  @media (min-width:768px){ .footer-grid{grid-template-columns:repeat(2,1fr);} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;} }
  .footer-brand{display:inline-flex;align-items:center;gap:10px;}
  .footer-col h3{
    font-size:15px;
    font-weight:600;
    margin:0 0 16px;
    color:#fff;
    letter-spacing:.4px;
  }
  .footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;}
  .footer-col a{
    font-size:14px;
    color:rgba(255,255,255,.72);
    text-decoration:none;
    transition:color .2s ease;
  }
  .footer-col a:hover{color:var(--lime);text-decoration:underline;}
  .footer-about{
    margin:16px 0 0;
    max-width:330px;
    font-size:14px;
    line-height:1.85;
    color:rgba(255,255,255,.62);
  }
  .footer-bottom{
    margin-top:46px;
    padding:20px 0;
    border-top:1px solid rgba(255,255,255,.12);
    display:flex;
    flex-wrap:wrap;
    gap:10px 20px;
    justify-content:space-between;
    font-size:13px;
    color:rgba(255,255,255,.5);
  }

/* roulang page: category4 */
:root{
  --paper:#F7F5F0;
  --surface:#FFFFFF;
  --surface-2:#EFEBE3;
  --line:#E2DCD2;
  --line-soft:#EDE8DF;
  --ink:#1A211E;
  --ink-2:#4A544E;
  --ink-3:#7C857F;
  --brand:#E8452C;
  --brand-dark:#B7331F;
  --accent:#0F8C7A;
  --lime:#C9F24D;
  --deep:#101A16;
  --ok:#1F8A5F;
  --warn:#C9761B;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(16,26,22,.06);
  --shadow-lift:0 12px 28px -12px rgba(16,26,22,.18);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul{list-style:none;padding:0}
:focus-visible{outline:2px solid rgba(232,69,44,.55);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container-x{padding:0 32px}}
@media(min-width:1024px){.container-x{padding:0 40px}}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(16,26,22,.42);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.14);
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.is-scrolled{
  background:var(--deep);
  box-shadow:0 8px 24px -12px rgba(16,26,22,.45);
  border-bottom-color:rgba(255,255,255,.08);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:64px}
@media(min-width:1024px){.nav-inner{height:72px}}

.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);
  box-shadow:0 6px 16px -8px rgba(232,69,44,.8);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{color:#fff;font-size:15px;font-weight:700;letter-spacing:.4px}
.brand-text em{color:rgba(255,255,255,.6);font-size:11px;font-style:normal;letter-spacing:2px}

.nav-links{display:none;align-items:center;gap:4px}
@media(min-width:1024px){.nav-links{display:flex}}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 12px;font-size:15px;color:rgba(255,255,255,.76);border-radius:8px;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link.is-active{color:#fff;font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--lime);border-radius:2px;
}

.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:38px;height:38px;border-radius:10px;display:none;place-items:center;
  border:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.85);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
@media(min-width:768px){.icon-btn{display:grid}}
.icon-btn:hover{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.45)}
.icon-btn:active{transform:translateY(1px)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);font-size:15px;font-weight:600;
  padding:11px 20px;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(232,69,44,.9)}
.btn-brand:hover{background:var(--brand-dark)}
.btn-ghost{border-color:rgba(255,255,255,.42);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7)}
.btn-outline{border-color:var(--line);color:var(--ink);background:var(--surface)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{padding:8px 14px;font-size:14px}
.btn-block{width:100%}
.header-cta{display:none}
@media(min-width:768px){.header-cta{display:inline-flex}}

.hamburger{
  width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.24);color:#fff;
}
@media(min-width:1024px){.hamburger{display:none}}
.hamburger:hover{background:rgba(255,255,255,.14)}

.mobile-drawer{
  display:none;background:var(--deep);
  border-top:1px solid rgba(255,255,255,.1);
  padding:14px 20px 24px;
}
.mobile-drawer.is-open{display:block}
@media(min-width:1024px){.mobile-drawer{display:none !important}}
.mobile-drawer a{
  display:block;padding:14px 4px;font-size:17px;color:rgba(255,255,255,.82);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-drawer a:hover{color:var(--lime)}
.mobile-drawer .drawer-cta{margin-top:18px;border-bottom:0}

/* ============ Hero ============ */
.hero{position:relative;background:var(--deep);overflow:hidden;padding-top:64px}
@media(min-width:1024px){.hero{padding-top:72px}}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.34}
.hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(16,26,22,.95) 0%,rgba(16,26,22,.82) 48%,rgba(16,26,22,.55) 100%);
}
.hero-inner{position:relative;z-index:2;padding:48px 0 0}
@media(min-width:1024px){.hero-inner{padding:68px 0 0}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:12.5px;letter-spacing:.5px;
  color:var(--lime);background:rgba(201,242,77,.1);border:1px solid rgba(201,242,77,.28);
}
.hero h1{
  margin-top:20px;color:#fff;
  font-size:clamp(30px,4.4vw,52px);line-height:1.25;font-weight:700;letter-spacing:-.5px;
}
.hero h1 .h1-tail{color:var(--lime)}
.hero-sub{
  margin-top:16px;max-width:620px;
  font-size:16px;line-height:1.85;color:rgba(255,255,255,.78);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* 分类导览条 */
.cat-nav{
  position:relative;z-index:2;margin-top:40px;
  border-top:1px solid rgba(255,255,255,.14);
  background:rgba(16,26,22,.5);
}
.cat-nav-inner{display:flex;gap:6px;overflow-x:auto;padding:0;scrollbar-width:none}
.cat-nav-inner::-webkit-scrollbar{display:none}
.cat-item{
  flex:0 0 auto;padding:16px 14px 14px;font-size:15px;color:rgba(255,255,255,.68);
  border-bottom:2px solid transparent;transition:color .2s ease,border-color .2s ease;
}
.cat-item:hover{color:#fff}
.cat-item.is-active{color:var(--brand);border-bottom-color:var(--brand);font-weight:600}
.cat-item:first-child{padding-left:0}

/* ============ 通用区块 ============ */
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:96px 0}}
.section-tight{padding:48px 0}
@media(min-width:1024px){.section-tight{padding:80px 0}}
.section-deep{background:var(--deep);color:#fff}
.section-alt{background:var(--surface-2)}
.section-white{background:var(--surface)}

.section-head{max-width:720px;margin-bottom:32px}
@media(min-width:1024px){.section-head{margin-bottom:44px}}
.section-head .kicker{
  display:inline-block;font-size:12.5px;letter-spacing:2px;font-weight:600;
  color:var(--accent);text-transform:uppercase;
}
.section-head h2{
  margin-top:12px;font-size:clamp(24px,3vw,36px);line-height:1.3;font-weight:700;letter-spacing:-.3px;
}
.section-deep .section-head h2{color:#fff}
.section-head p{margin-top:16px;color:var(--ink-2);font-size:16px;line-height:1.85}
.section-deep .section-head p{color:rgba(255,255,255,.72)}
.head-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px}

.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--brand);
}
.text-link:hover{color:var(--brand-dark)}
.text-link span{transition:transform .2s ease}
.text-link:hover span{transform:translateX(3px)}

.badge{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.5;
}
.badge-notice{background:rgba(15,140,122,.12);color:var(--accent)}
.badge-update{background:rgba(232,69,44,.1);color:var(--brand)}
.badge-adjust{background:rgba(201,118,27,.12);color:var(--warn)}
.badge-safe{background:rgba(31,138,95,.12);color:var(--ok)}

/* ============ 筛选条 ============ */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:14px 16px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-card);
}
.pill{
  padding:7px 16px;border-radius:999px;font-size:14px;
  color:var(--ink-2);border:1px solid var(--line);background:var(--surface);
  transition:all .2s ease;
}
.pill:hover{border-color:var(--brand);color:var(--brand)}
.pill.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.search-wrap{margin-left:auto;position:relative;min-width:180px;flex:1 1 180px;max-width:280px}
.search-wrap input{
  width:100%;padding:9px 14px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:var(--paper);font-size:14px;
}
.search-wrap input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,69,44,.15)}

/* ============ 时间线 ============ */
.tl-list{position:relative;margin-top:32px}
.tl-list::before{
  content:"";position:absolute;left:118px;top:10px;bottom:10px;width:1px;background:var(--line);
}
.tl-item{position:relative;padding-left:156px;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-date{
  position:absolute;left:0;top:2px;width:100px;text-align:right;
  display:flex;flex-direction:column;line-height:1.3;
}
.tl-day{font-size:15px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}
.tl-year{font-size:12.5px;color:var(--ink-3)}
.tl-dot{
  position:absolute;left:111px;top:6px;width:15px;height:15px;border-radius:50%;
  background:var(--brand);border:3px solid var(--paper);
  transition:transform .2s ease;
}
.tl-item:hover .tl-dot{transform:scale(1.18)}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 24px;box-shadow:var(--shadow-card);
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.tl-item:hover .tl-card{box-shadow:var(--shadow-lift);transform:translateY(-2px);border-color:rgba(232,69,44,.28)}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tl-head h3{font-size:19px;font-weight:600;line-height:1.45}
.tl-card p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--ink-2)}
.tl-card .text-link{margin-top:14px}
.tl-empty{
  display:none;padding:56px 20px;text-align:center;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-card);
}
.tl-empty.is-show{display:block}

@media(max-width:767px){
  .tl-list::before{left:7px}
  .tl-item{padding-left:32px}
  .tl-date{position:static;flex-direction:row;align-items:baseline;gap:8px;width:auto;text-align:left;margin-bottom:8px}
  .tl-dot{left:0;top:4px}
  .tl-card{padding:18px}
}

/* ============ 数据带 ============ */
.stat-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-card);overflow:hidden;
}
@media(min-width:1024px){.stat-grid{grid-template-columns:repeat(4,1fr)}}
.stat-cell{background:var(--deep);padding:28px 22px}
.stat-num{
  font-size:clamp(28px,3.4vw,42px);font-weight:700;line-height:1.15;
  font-variant-numeric:tabular-nums;letter-spacing:-1px;
}
.stat-num.brand{color:var(--brand)}
.stat-num.lime{color:var(--lime)}
.stat-num.white{color:#fff}
.stat-label{margin-top:10px;font-size:13.5px;color:rgba(255,255,255,.66)}

/* ============ 卡片网格 ============ */
.grid-3{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:640px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}}

.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:rgba(232,69,44,.26)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,26,22,0) 45%,rgba(16,26,22,.55) 100%);
}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:19px;font-weight:600;line-height:1.45}
.card-body p{font-size:15px;line-height:1.85;color:var(--ink-2)}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.tag{
  padding:4px 10px;border-radius:999px;font-size:12px;
  background:var(--surface-2);color:var(--ink-2);
}
.card-link{margin-top:6px}

/* ============ 流程 ============ */
.step-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:8px}
@media(min-width:640px){.step-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.step-grid{grid-template-columns:repeat(4,1fr)}}
.step{
  padding:24px 22px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-card);
  transition:border-color .2s ease,transform .2s ease;
}
.step:hover{border-color:rgba(15,140,122,.35);transform:translateY(-2px)}
.step-num{
  font-size:44px;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1px var(--line);
  font-variant-numeric:tabular-nums;
}
.step:hover .step-num{-webkit-text-stroke-color:var(--brand)}
.step h3{margin-top:14px;font-size:18px;font-weight:600}
.step p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--ink-2)}

/* ============ FAQ ============ */
.faq-list{margin-top:8px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:22px 4px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-q .idx{
  flex-shrink:0;width:26px;font-size:13px;font-weight:700;color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-item.is-open .idx{color:var(--brand)}
.faq-q .plus{
  margin-left:auto;flex-shrink:0;width:24px;height:24px;position:relative;
}
.faq-q .plus::before,
.faq-q .plus::after{
  content:"";position:absolute;background:var(--ink-3);border-radius:2px;
  transition:transform .24s ease,background .2s ease;
}
.faq-q .plus::before{left:4px;right:4px;top:11px;height:2px}
.faq-q .plus::after{top:4px;bottom:4px;left:11px;width:2px}
.faq-item.is-open .plus::after{transform:scaleY(0);background:var(--brand)}
.faq-item.is-open .plus::before{background:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a-inner{padding:0 4px 24px 40px;font-size:15.5px;line-height:1.85;color:var(--ink-2)}

/* ============ 联系 ============ */
.contact-grid{display:grid;grid-template-columns:1fr;gap:26px;align-items:start}
@media(min-width:1024px){.contact-grid{grid-template-columns:0.85fr 1.15fr}}
.info-card{
  background:var(--deep);color:#fff;border-radius:var(--radius-card);padding:30px 28px;
  border:1px solid rgba(255,255,255,.1);
}
.info-card h3{font-size:20px;font-weight:600}
.info-card p{margin-top:12px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.72)}
.info-list{margin-top:22px;display:flex;flex-direction:column;gap:16px}
.info-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.86)}
.info-ico{
  flex-shrink:0;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:rgba(201,242,77,.12);color:var(--lime);
}
.info-ico svg{width:17px;height:17px}
.info-list a{color:#fff}
.info-list a:hover{color:var(--lime);text-decoration:underline}

.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-card);
}
@media(min-width:768px){.form-card{padding:32px}}
.form-row{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:640px){.form-row{grid-template-columns:repeat(2,1fr)}}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field .req{color:var(--brand)}
.field input,.field select,.field textarea{
  width:100%;padding:11px 14px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:var(--paper);font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:120px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:var(--surface);border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(232,69,44,.16);
}
.field .err{font-size:13px;color:#C0392B;display:none}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:#C0392B}
.field.has-error .err{display:block}
.form-note{font-size:13px;color:var(--ink-3);margin-top:12px;line-height:1.7}
.form-ok{
  display:none;margin-top:16px;padding:12px 14px;border-radius:var(--radius-btn);
  background:rgba(31,138,95,.1);color:var(--ok);font-size:14px;border:1px solid rgba(31,138,95,.25);
}
.form-ok.is-show{display:block}

/* ============ 页脚 ============ */
.site-footer{background:var(--deep);color:#fff;border-top:1px solid rgba(255,255,255,.12);padding:56px 0 0}
@media(min-width:1024px){.site-footer{padding-top:72px}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr}}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.4px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col ul a:hover{color:var(--lime);text-decoration:underline}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-about{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:320px}
.footer-bottom{
  margin-top:44px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.56);
}