/* roulang page: index */
:root{
  --brand:#0F3D33;
  --brand-700:#0B302A;
  --brand-900:#08231F;
  --lime:#C8F03C;
  --orange:#F2670A;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --line:#E3E0D6;
  --ink:#14201D;
  --muted:#5C6A64;
  --focus:#F2670A;
  --radius-card:16px;
  --radius-ctrl:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(15,61,51,.06);
  --shadow-2:0 14px 30px -14px rgba(15,61,51,.22);
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;

  --bs-primary:#0F3D33;
  --bs-primary-rgb:15,61,51;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#14201D;
  --bs-border-radius:12px;
  --bs-border-radius-lg:16px;
  --bs-border-color:#E3E0D6;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-link-color:#0F3D33;
  --bs-link-hover-color:#0B302A;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  background-color:var(--bg);
  background-image:radial-gradient(rgba(20,32,29,.045) 1px,transparent 1px);
  background-size:7px 7px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease}
a:hover{color:var(--brand-700)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{font-weight:800;color:var(--brand);line-height:1.35;margin:0}
p{margin:0 0 1.1em}
ul,ol{padding-left:1.2em}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:4px}
::selection{background:var(--lime);color:var(--brand-900)}

.container{max-width:1240px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%}
@media (min-width:1400px){.container{max-width:1320px}}
@media (max-width:767.98px){.container{padding-left:18px;padding-right:18px}}

/* ---------- 顶部倒计时条 ---------- */
.topbar{background:var(--brand);color:#EDF5F1;font-size:14px;position:relative;z-index:1040}
.topbar-inner{display:flex;align-items:center;gap:16px;min-height:48px;padding-top:5px;padding-bottom:5px}
.topbar-label{display:flex;align-items:center;gap:9px;font-weight:600;letter-spacing:.01em;color:#E9F3EE}
.topbar-label .dot{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(200,240,60,.22);flex:none}
.countdown{display:flex;gap:8px;margin-left:auto;align-items:center}
.cd-cell{display:flex;align-items:baseline;gap:4px;background:rgba(255,255,255,.07);border:1px solid rgba(200,240,60,.32);border-radius:8px;padding:2px 10px}
.cd-num{font-variant-numeric:tabular-nums;font-weight:800;color:var(--lime);font-size:16px;line-height:1.5}
.cd-unit{font-size:12px;color:rgba(255,255,255,.72)}
.topbar-close{background:transparent;border:1px solid rgba(255,255,255,.3);color:#EDF5F1;width:26px;height:26px;line-height:1;border-radius:50%;cursor:pointer;flex:none;transition:background-color .22s ease,color .22s ease}
.topbar-close:hover{background:var(--lime);color:var(--brand-900);border-color:var(--lime)}
@media (max-width:991.98px){
  .topbar-inner{flex-wrap:wrap;gap:8px 12px;padding:8px 0}
  .topbar-label{width:100%;font-size:13px;padding-right:34px}
  .countdown{margin-left:0;flex-wrap:wrap}
  .topbar-close{position:absolute;right:18px;top:9px}
}

/* ---------- 品牌行 + 频道行 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-1)}
.brandbar-inner{display:flex;align-items:center;gap:18px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand-mark{display:inline-flex;width:42px;height:42px;flex:none}
.brand-mark svg{width:100%;height:100%}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:21px;font-weight:800;letter-spacing:.02em;color:var(--brand)}
.brand-sub{font-size:12px;color:var(--muted);font-weight:500;letter-spacing:.08em}
.brand-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{display:flex;align-items:center;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-pill);padding:0 14px;height:42px;transition:border-color .22s ease,box-shadow .22s ease}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,61,51,.09)}
.nav-search i{color:var(--muted);font-size:14px}
.nav-search input{border:0;background:transparent;outline:none;height:100%;width:150px;font-size:14px;color:var(--ink)}
.nav-search input::placeholder{color:#98A39D}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;align-items:center;justify-content:center;color:var(--brand)}
.nav-toggle svg{width:22px;height:22px}
.channelbar{border-top:1px solid var(--line);background:#fff}
.channel-list{display:flex;list-style:none;margin:0;padding:0;gap:4px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.channel-list::-webkit-scrollbar{display:none}
.channel-link{display:inline-flex;align-items:center;height:52px;padding:0 16px;font-size:15px;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap}
.channel-link:hover{color:var(--brand);background:rgba(15,61,51,.06)}
.channel-link.active{color:var(--brand);border-bottom-color:var(--lime)}
.channel-link.active:hover{background:rgba(15,61,51,.06)}
@media (max-width:991.98px){
  .channelbar{display:none}
  .nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .brand-name{font-size:18px}
  .brand-sub{font-size:11px}
}
.offcanvas{--bs-offcanvas-width:320px}
.offcanvas-header{border-bottom:1px solid var(--line)}
.offcanvas-title{font-weight:800;color:var(--brand)}
.offcanvas .channel-link{height:48px;width:100%;justify-content:flex-start;border-bottom:1px solid var(--line);border-left:3px solid transparent;border-radius:0}
.offcanvas .channel-link.active{border-left-color:var(--lime);background:rgba(15,61,51,.06)}

/* ---------- 按钮 ---------- */
.btn{border-radius:var(--radius-ctrl);font-weight:700;font-size:15px;padding:11px 22px;border:1px solid transparent;transition:background-color .22s ease,color .22s ease,transform .22s ease,border-color .22s ease;line-height:1.4}
.btn:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.btn-brand{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-brand:hover,.btn-brand:active{background:var(--brand-700);color:#fff;border-color:var(--brand-700);transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(15,61,51,.08);color:var(--brand);border-color:var(--brand)}
.btn-lime{background:var(--lime);color:var(--brand-900);border-color:var(--lime)}
.btn-lime:hover{background:#B8E02C;color:var(--brand-900);border-color:#B8E02C;transform:translateY(1px)}
.btn-outline-light-x{background:transparent;color:#F2F7F5;border-color:rgba(242,247,245,.55)}
.btn-outline-light-x:hover{background:rgba(200,240,60,.14);color:#fff;border-color:var(--lime)}
.btn-sm-x{padding:8px 16px;font-size:14px}
.btn-lg-x{padding:14px 28px;font-size:16px}
.btn:disabled,.btn.disabled{opacity:.5}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media (max-width:767.98px){.section{padding:48px 0}}
.section-head{margin-bottom:36px;max-width:760px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--brand);background:rgba(15,61,51,.07);border-radius:var(--radius-pill);padding:6px 14px;margin-bottom:14px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange)}
.section-title{font-size:clamp(24px,3vw,34px);line-height:1.35;margin-bottom:14px}
.section-desc{color:var(--muted);font-size:16px;line-height:1.85;margin:0}

/* ---------- 首屏 ---------- */
.hero{padding:64px 0 72px;background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);border-bottom:1px solid var(--line)}
.hero-grid{align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);background:#fff;border:1px solid var(--line);border-radius:var(--radius-pill);padding:6px 14px;margin-bottom:18px;box-shadow:var(--shadow-1)}
.hero h1{font-size:clamp(30px,4.2vw,52px);line-height:1.2;letter-spacing:-.01em;margin-bottom:16px}
.hero-sub{font-size:18px;color:var(--muted);line-height:1.8;margin-bottom:26px;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.trust-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;border-top:1px dashed var(--line);padding-top:22px}
.trust-item strong{display:block;font-size:26px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.trust-item span{font-size:13px;color:var(--muted);line-height:1.6}
.hero-media{position:relative;margin:0;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2);background:var(--brand)}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(15,61,51,.12)}
.hero-media figcaption{position:absolute;left:18px;right:18px;bottom:16px;z-index:2;color:#fff;font-size:13px;line-height:1.7;text-shadow:0 1px 6px rgba(8,35,31,.6)}
@media (max-width:991.98px){
  .hero{padding:44px 0 52px}
  .trust-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
}
@media (max-width:575.98px){
  .hero-sub{font-size:16px}
  .hero-cta .btn{width:100%;text-align:center}
}

/* ---------- 卡片基础 ---------- */
.card-x{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.card-x::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;z-index:3}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D6D2C4}
.card-x:hover::before{transform:scaleX(1)}
.badge-chip{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--brand);background:rgba(15,61,51,.09);border-radius:var(--radius-pill);padding:4px 12px;line-height:1.6}
.badge-chip.badge-lime{background:rgba(200,240,60,.35);color:#3D4E10}
.badge-chip.badge-orange{background:rgba(242,103,10,.13);color:#B54A05}

/* ---------- 卖点区 1 大 2 小 ---------- */
.feature-grid{display:grid;grid-template-columns:1.35fr 1fr;grid-template-rows:repeat(2,minmax(0,1fr));gap:24px}
.feature-main{grid-row:span 2;display:flex;flex-direction:column;padding:0}
.feature-main .feature-cover{position:relative}
.feature-main .feature-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.feature-main .feature-body{padding:26px 26px 28px}
.feature-side{padding:24px;display:flex;gap:18px;align-items:flex-start}
.feature-icon{width:48px;height:48px;flex:none;border-radius:14px;background:rgba(15,61,51,.08);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:19px}
.feature-main h3,.feature-side h3{font-size:20px;line-height:1.5;margin-bottom:8px}
.feature-main p,.feature-side p{margin:0;color:var(--muted);font-size:15px;line-height:1.8}
.feature-side h3{font-size:18px}
.feature-list{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:8px}
.feature-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink);line-height:1.75}
.feature-list i{color:var(--brand);margin-top:7px;font-size:11px}
@media (max-width:991.98px){
  .feature-grid{grid-template-columns:1fr;grid-template-rows:none}
  .feature-main{grid-row:auto}
}
@media (max-width:575.98px){
  .feature-side{flex-direction:column;gap:12px}
}

/* ---------- 图墙 ---------- */
.wall{display:grid;gap:16px;grid-template-columns:repeat(3,minmax(0,1fr));grid-template-areas:"a b c" "a d e"}
.wall-a{grid-area:a}
.wall-b{grid-area:b}
.wall-c{grid-area:c}
.wall-d{grid-area:d}
.wall-e{grid-area:e}
.wall-item{position:relative;display:block;overflow:hidden;border-radius:var(--radius-card);border:1px solid var(--line);background:var(--brand-900)}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.wall-a img{aspect-ratio:3/4}
.wall-item:not(.wall-a) img{aspect-ratio:16/10}
.wall-cap{position:absolute;left:0;right:0;bottom:0;padding:34px 16px 14px;color:#fff;background:linear-gradient(180deg,rgba(8,35,31,0) 0%,rgba(8,35,31,.82) 100%);transform:translateY(8px);opacity:.92;transition:transform .3s ease,opacity .3s ease}
.wall-cap strong{display:block;font-size:16px;font-weight:800;line-height:1.5}
.wall-cap em{display:block;font-style:normal;font-size:12.5px;color:rgba(255,255,255,.78);margin-top:3px}
.wall-item:hover img{transform:scale(1.03)}
.wall-item:hover .wall-cap{transform:translateY(0);opacity:1}
@media (max-width:767.98px){
  .wall{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-areas:"a a" "b c" "d e"}
  .wall-a img{aspect-ratio:16/10}
}

/* ---------- CTA 表单 ---------- */
.cta-panel{background:var(--brand);border-radius:20px;padding:48px;display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:start;box-shadow:var(--shadow-2);position:relative;overflow:hidden}
.cta-panel::after{content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;border:2px dashed rgba(200,240,60,.28)}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{color:#fff;font-size:clamp(24px,3vw,32px);line-height:1.35;margin-bottom:14px}
.cta-copy p{color:rgba(240,247,243,.82);font-size:15.5px;line-height:1.85;margin-bottom:20px}
.cta-points{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.cta-points li{display:flex;gap:12px;color:#EAF3EE;font-size:15px;line-height:1.7}
.cta-points i{color:var(--lime);margin-top:7px;font-size:12px}
.cta-form{position:relative;z-index:2;background:#fff;border-radius:var(--radius-card);padding:26px;border:1px solid rgba(255,255,255,.3)}
.cta-form h3{font-size:19px;margin-bottom:6px}
.cta-form .form-hint{font-size:13px;color:var(--muted);margin-bottom:18px;line-height:1.7}
.form-field{margin-bottom:14px}
.form-field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:6px}
.form-control{height:48px;border-radius:var(--radius-ctrl);border:1px solid var(--line);background:var(--bg);font-size:15px;padding:0 14px;color:var(--ink);transition:border-color .22s ease,box-shadow .22s ease,background-color .22s ease}
.form-control:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(15,61,51,.1);outline:none}
.form-control::placeholder{color:#9AA69F}
.code-row{display:flex;gap:10px}
.code-row .form-control{flex:1}
.code-btn{flex:none;height:48px;padding:0 16px;border-radius:var(--radius-ctrl);border:1px solid var(--brand);background:transparent;color:var(--brand);font-size:14px;font-weight:700;cursor:pointer;transition:background-color .22s ease}
.code-btn:hover{background:rgba(15,61,51,.08)}
.form-submit{width:100%;height:50px;border:0;border-radius:var(--radius-ctrl);background:var(--brand);color:#fff;font-weight:800;font-size:16px;cursor:pointer;transition:background-color .22s ease,transform .22s ease}
.form-submit:hover{background:var(--brand-700);transform:translateY(1px)}
.form-note{font-size:12.5px;color:var(--muted);margin:12px 0 0;line-height:1.7}
@media (max-width:991.98px){
  .cta-panel{grid-template-columns:1fr;padding:32px;gap:32px}
}
@media (max-width:575.98px){
  .cta-panel{padding:24px;border-radius:16px}
}

/* ---------- 数据与口碑 ---------- */
.proof-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-bottom:28px}
.proof-card{padding:26px;text-align:left}
.proof-num{font-size:clamp(30px,3.6vw,42px);font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.15}
.proof-num small{font-size:16px;font-weight:700;color:var(--muted);margin-left:4px}
.proof-card p{margin:8px 0 0;font-size:14.5px;color:var(--muted);line-height:1.8}
.quote-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.quote-card{padding:26px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--lime);border-radius:var(--radius-card);box-shadow:var(--shadow-1)}
.quote-card p{font-size:15.5px;line-height:1.85;color:var(--ink);margin-bottom:14px}
.quote-meta{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted)}
.quote-avatar{width:34px;height:34px;border-radius:50%;background:rgba(15,61,51,.1);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;flex:none}
@media (max-width:991.98px){
  .proof-grid{grid-template-columns:1fr;gap:16px}
  .quote-grid{grid-template-columns:1fr}
}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{display:flex;flex-direction:column}
.news-thumb{display:block;overflow:hidden}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1}
.news-body .badge-chip{align-self:flex-start;margin-bottom:12px}
.news-title{font-size:18px;line-height:1.55;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a{color:var(--brand)}
.news-title a:hover{color:var(--orange)}
.news-sum{font-size:14.5px;color:var(--muted);line-height:1.8;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.news-meta a{font-weight:700;font-size:13.5px}
.empty-state{grid-column:1/-1;border:1px dashed #C9C4B4;border-radius:var(--radius-card);background:#fff;padding:46px 24px;text-align:center}
.empty-state i{font-size:26px;color:var(--muted);display:block;margin-bottom:12px}
.empty-state p{color:var(--muted);margin-bottom:16px}
@media (max-width:991.98px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:575.98px){.news-grid{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-acc .accordion-item{border:1px solid var(--line);border-radius:var(--radius-ctrl);overflow:hidden;margin-bottom:12px;background:#fff;box-shadow:var(--shadow-1)}
.faq-acc .accordion-item:last-child{margin-bottom:0}
.faq-acc .accordion-button{background:#fff;color:var(--ink);font-weight:700;font-size:17px;line-height:1.6;padding:18px 20px;border-left:4px solid var(--brand);box-shadow:none;border-radius:0}
.faq-acc .accordion-button:not(.collapsed){background:rgba(15,61,51,.05);color:var(--brand)}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--focus);outline-offset:-2px}
.faq-acc .accordion-button::after{background-image:none;content:"";width:10px;height:10px;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(45deg);transition:transform .22s ease;margin-left:auto;flex:none}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(-135deg)}
.faq-acc .accordion-body{padding:4px 20px 20px;font-size:15.5px;line-height:1.85;color:var(--muted)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand);color:#DDE8E3;padding:64px 0 0;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer-brand .brand-name{color:#fff;font-size:20px}
.footer-brand .brand-sub{color:rgba(221,232,227,.62)}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(221,232,227,.78);margin:16px 0 0;max-width:340px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer-col a{color:rgba(221,232,227,.82);font-size:14.5px}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{border-top:1px solid rgba(221,232,227,.16);padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;justify-content:space-between;font-size:13.5px;color:rgba(221,232,227,.6)}
.footer-bottom a{color:rgba(221,232,227,.7)}
.footer-bottom a:hover{color:var(--lime)}
@media (max-width:991.98px){
  .site-footer{padding-top:48px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr}
}

/* ---------- 回到顶部 ---------- */
.to-top{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:50%;border:0;background:var(--brand);color:#fff;font-size:17px;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;pointer-events:none;transform:translateY(8px);transition:opacity .3s ease,transform .3s ease,background-color .22s ease;z-index:1050;box-shadow:var(--shadow-2)}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{background:var(--brand-700)}
@media (max-width:575.98px){.to-top{right:14px;bottom:14px}}

/* roulang page: article */
:root{
  --brand:#0F3D33;
  --brand-deep:#0A2C25;
  --brand-hover:#0B312A;
  --accent:#C8F03C;
  --orange:#F2670A;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --line:#E3E0D6;
  --text:#14201D;
  --muted:#5C6A64;
  --radius:16px;
  --radius-sm:12px;
  --shadow-1:0 1px 2px rgba(15,61,51,.06);
  --shadow-2:0 14px 30px -14px rgba(15,61,51,.22);
  --bs-primary:#0F3D33;
  --bs-primary-rgb:15,61,51;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#14201D;
  --bs-border-color:#E3E0D6;
  --bs-border-radius:12px;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--brand-hover)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
h1,h2,h3,h4,h5{font-weight:800;color:var(--text);line-height:1.35;margin:0}
p{margin:0 0 1.1em}
ul,ol{padding-left:1.25em}
.container{max-width:1240px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%}
@media (min-width:1400px){.container{max-width:1320px}}
@media (max-width:767.98px){.container{padding-left:18px;padding-right:18px}}

/* ---------- 顶部品牌行 ---------- */
.site-header{position:relative;z-index:1030;background:var(--card);border-bottom:1px solid var(--line)}
.topbar{background:var(--card)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{width:44px;height:44px;flex:0 0 44px}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-size:20px;font-weight:800;letter-spacing:.5px;color:var(--brand);white-space:nowrap}
.brand-sub{font-size:12px;font-weight:400;color:var(--muted);letter-spacing:2px;margin-top:3px}
.topbar-actions{display:flex;align-items:center;gap:12px}
.search-mini{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:0 16px;height:42px}
.search-mini i{color:var(--muted);font-size:13px}
.search-mini input{border:0;background:transparent;outline:none;font-size:14px;width:150px;color:var(--text)}
.search-mini input::placeholder{color:#9AA5A0}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  border-radius:var(--radius-sm);padding:11px 22px;font-size:15px;font-weight:600;
  min-height:44px;transition:all .22s ease;
}
.btn-brand:hover{background:var(--brand-hover);border-color:var(--brand-hover);color:#fff;transform:translateY(1px)}
.btn-brand:active{background:var(--brand-deep);color:#fff}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--brand);border:1px solid var(--brand);
  border-radius:var(--radius-sm);padding:11px 22px;font-size:15px;font-weight:600;
  min-height:44px;transition:all .22s ease;
}
.btn-ghost:hover{background:rgba(15,61,51,.08);color:var(--brand)}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent);color:var(--brand-deep);border:1px solid var(--accent);
  border-radius:var(--radius-sm);padding:11px 22px;font-size:15px;font-weight:700;
  min-height:44px;transition:all .22s ease;
}
.btn-accent:hover{background:#B8E02C;border-color:#B8E02C;color:var(--brand-deep);transform:translateY(1px)}
.drawer-btn{display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--card);border-radius:var(--radius-sm);align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer}
.drawer-btn span{display:block;width:20px;height:2px;background:var(--brand);border-radius:2px}
.drawer-btn:hover{background:rgba(15,61,51,.06)}
@media (max-width:991.98px){.search-mini{display:none}}
@media (max-width:767.98px){
  .drawer-btn{display:inline-flex}
  .brand-name{font-size:17px}
  .brand-sub{display:none}
  .topbar-actions .btn-brand{padding:10px 16px;font-size:14px}
  .topbar-inner{min-height:66px}
}

/* ---------- 频道行 ---------- */
.channelbar{background:var(--brand)}
.channel-list{display:flex;flex-wrap:nowrap;gap:4px;list-style:none;margin:0;padding:0;overflow-x:auto;scrollbar-width:none}
.channel-list::-webkit-scrollbar{display:none}
.channel-link{
  display:block;padding:14px 18px;font-size:15px;color:rgba(255,255,255,.76);
  border-bottom:2px solid transparent;white-space:nowrap;transition:all .22s ease;
}
.channel-link:hover{background:rgba(255,255,255,.08);color:#fff}
.channel-link.active{color:#fff;border-bottom-color:var(--accent);font-weight:700}
@media (max-width:767.98px){.channelbar{display:none}}
.channel-drawer{background:var(--card)}
.channel-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.channel-drawer .offcanvas-title{font-size:17px;font-weight:800;color:var(--brand)}
.drawer-list{list-style:none;margin:0;padding:0}
.drawer-list a{display:flex;align-items:center;min-height:48px;padding:0 6px;font-size:16px;color:var(--text);border-bottom:1px solid var(--line)}
.drawer-list a:hover,.drawer-list a.active{color:var(--brand);background:rgba(15,61,51,.05)}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding:26px 0 6px}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);list-style:none;margin:0;padding:0}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C4C0B4}
.crumb .current{max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text)}

/* ---------- 文章主体布局 ---------- */
.article-main{padding-bottom:20px}
.article-head{padding:8px 0 26px;border-bottom:1px solid var(--line)}
.head-badges{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.badge-chip{display:inline-flex;align-items:center;gap:6px;background:rgba(15,61,51,.10);color:var(--brand);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600}
.badge-chip.orange{background:rgba(242,103,10,.12);color:#C4520A}
.article-title{font-size:clamp(26px,3.4vw,40px);line-height:1.28;margin-bottom:16px;word-break:break-word}
.article-lead{font-size:16px;color:var(--muted);max-width:800px;margin-bottom:18px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C4C0B4;display:inline-block}

/* ---------- 正文排版 ---------- */
.article-body{max-width:800px;padding:30px 0 6px;font-size:17px;line-height:1.9;text-align:justify;word-break:break-word}
.article-body p{margin:0 0 1.1em}
.article-body h2{font-size:clamp(22px,2.4vw,28px);margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--brand);line-height:1.4}
.article-body h3{font-size:20px;margin:28px 0 12px;color:var(--brand)}
.article-body h4{font-size:17px;margin:22px 0 10px}
.article-body ul,.article-body ol{line-height:1.9;margin:0 0 1.2em;padding-left:1.3em}
.article-body li{margin-bottom:.5em}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-hover);text-decoration-thickness:2px}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:#F1F5F0;border-left:4px solid var(--brand);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#25352F;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-sm);margin:22px auto;box-shadow:var(--shadow-1)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;line-height:1.7}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.article-body th{background:#F1F3EC;color:var(--brand);font-weight:700;text-align:left}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;line-height:1.75}
.article-body code{background:#F1F3EC;border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:14px;color:#0A2C25}
.article-body pre{background:#0F3D33;color:#EAF3E6;border-radius:var(--radius-sm);padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.75}
.article-body pre code{background:transparent;border:0;color:inherit;padding:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* ---------- 标签与上下篇 ---------- */
.tag-block{max-width:800px;padding:22px 0 6px;border-top:1px solid var(--line);margin-top:26px}
.tag-title{font-size:14px;color:var(--muted);margin-bottom:12px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0;padding:0}
.tag-list a{display:inline-block;border:1px solid var(--line);background:var(--card);border-radius:999px;padding:7px 16px;font-size:13px;color:var(--brand);transition:all .22s ease}
.tag-list a:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.postnav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:30px 0 10px;max-width:800px}
.postnav-item{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow-1);transition:all .22s ease}
.postnav-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-top:3px solid var(--brand)}
.postnav-item .label{font-size:13px;color:var(--muted);display:block;margin-bottom:8px}
.postnav-item .name{font-size:16px;font-weight:700;color:var(--text);line-height:1.6}
@media (max-width:575.98px){.postnav{grid-template-columns:1fr}}

/* ---------- 空态 ---------- */
.empty-state{max-width:800px;margin:30px 0;border:1px dashed #C9C4B5;border-radius:var(--radius);background:var(--card);padding:44px 26px;text-align:center}
.empty-state i{font-size:30px;color:var(--muted);margin-bottom:14px;display:block}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:20px}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:96px;padding-bottom:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-1);margin-bottom:22px}
.side-card h3{font-size:16px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line);color:var(--brand)}
.toc-list{list-style:none;margin:0;padding:0}
.toc-list a{display:block;padding:9px 0;font-size:15px;color:var(--text);border-bottom:1px dashed var(--line)}
.toc-list li:last-child a{border-bottom:0}
.toc-list a:hover{color:var(--brand);padding-left:6px}
.hot-list{list-style:none;margin:0;padding:0;counter-reset:hot}
.hot-list li{counter-increment:hot;display:flex;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);font-size:15px;line-height:1.65}
.hot-list li:last-child{border-bottom:0;padding-bottom:0}
.hot-list li::before{content:counter(hot);flex:0 0 22px;height:22px;border-radius:6px;background:rgba(15,61,51,.09);color:var(--brand);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:3px}
.hot-list a{color:var(--text)}
.hot-list a:hover{color:var(--brand)}
.side-cta{background:var(--brand);color:#E9F2E5;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-1)}
.side-cta h3{color:#fff;font-size:17px;border-bottom:0;padding-bottom:0;margin-bottom:10px}
.side-cta p{font-size:14px;color:rgba(255,255,255,.78);line-height:1.8;margin-bottom:16px}
.mobile-toc{display:none;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin:20px 0 0;max-width:800px}
.mobile-toc summary{font-size:15px;font-weight:700;color:var(--brand);cursor:pointer;list-style:none}
.mobile-toc summary::-webkit-details-marker{display:none}
.mobile-toc summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;float:right;font-size:12px;color:var(--muted)}
.mobile-toc[open] summary::after{content:"\f077"}
@media (max-width:1199.98px){.mobile-toc{display:block}}

/* ---------- 相关推荐 ---------- */
.related{padding:56px 0 8px;border-top:1px solid var(--line);margin-top:40px}
.section-head{margin-bottom:26px}
.section-head .kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--orange);margin-bottom:8px}
.section-title{font-size:clamp(22px,2.6vw,30px)}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:991.98px){.card-grid{grid-template-columns:repeat(2,1fr);gap:20px}}
@media (max-width:575.98px){.card-grid{grid-template-columns:1fr;gap:16px}}
.info-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);transition:all .22s ease;height:100%}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-top:3px solid var(--brand)}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDEBE3}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease}
.info-card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:20px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:18px;line-height:1.55;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}

/* ---------- 底部说明区 ---------- */
.notice-band{margin:64px 0 0;background:var(--brand);border-radius:var(--radius);padding:34px 30px;display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:center}
.notice-band h2{color:#fff;font-size:clamp(20px,2.2vw,26px);margin-bottom:10px}
.notice-band p{color:rgba(255,255,255,.8);font-size:15px;line-height:1.85;margin:0}
.notice-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
@media (max-width:767.98px){.notice-band{grid-template-columns:1fr;padding:26px 20px}.notice-actions{justify-content:flex-start}}

/* ---------- FAQ ---------- */
.faq-section{padding:64px 0 8px}
.faq-section .section-title{margin-bottom:8px}
.faq-sub{color:var(--muted);font-size:15px;margin-bottom:26px}
.faq-item{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:var(--radius-sm);margin-bottom:14px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-size:17px;font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;color:var(--muted);transition:transform .22s ease;flex:0 0 auto}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item .answer{padding:0 22px 20px;font-size:16px;line-height:1.85;color:#25352F}
.faq-item:hover{border-color:#D6D1C2}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand);color:rgba(255,255,255,.78);margin-top:72px;padding:58px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;gap:24px}}
.footer-brand .brand-text{display:flex;flex-direction:column;margin-bottom:14px}
.footer-brand .brand-name{font-size:19px;font-weight:800;color:#fff;letter-spacing:.5px}
.footer-brand .brand-sub{font-size:12px;letter-spacing:2px;color:var(--accent);margin-top:5px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);margin:0}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6)}

/* ---------- 回到顶部 ---------- */
.to-top{position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;background:var(--brand);color:#fff;border:0;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-2);opacity:0;visibility:hidden;transition:all .22s ease;z-index:1040;cursor:pointer}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--accent);color:var(--brand-deep)}
@media (max-width:575.98px){.to-top{right:16px;bottom:18px}}

/* roulang page: category1 */
:root{
  --brand:#0F3D33;
  --brand-700:#0B3028;
  --brand-500:#17594A;
  --accent:#C8F03C;
  --orange:#F2670A;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --line:#E3E0D6;
  --ink:#14201D;
  --muted:#5C6A64;
  --radius-card:16px;
  --radius-ctrl:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(15,61,51,.06);
  --shadow-2:0 14px 30px -14px rgba(15,61,51,.22);
  --gap:24px;
  --bs-primary:#0F3D33;
  --bs-primary-rgb:15,61,51;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#14201D;
  --bs-border-color:#E3E0D6;
  --bs-border-radius:12px;
  --bs-border-radius-lg:16px;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --bs-link-color:#0F3D33;
  --bs-link-hover-color:#0B3028;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--bs-font-sans-serif);
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  word-break:break-word;
}
h1,h2,h3,h4{color:var(--ink);font-weight:800;letter-spacing:-.01em;margin:0;}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.2;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.35;}
h3{font-size:21px;line-height:1.5;}
p{margin:0 0 1.1em;text-align:justify;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--brand-700);}
img{max-width:100%;display:block;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,
.channel-link:focus-visible,.chip:focus-visible,.page-btn:focus-visible,
.accordion-button:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:6px;}

.container{max-width:1240px;padding-left:24px;padding-right:24px;}
@media (min-width:1400px){.container{max-width:1320px;}}
@media (max-width:767.98px){.container{padding-left:18px;padding-right:18px;}}

/* ===== 顶部品牌行 ===== */
.site-header{
  background:var(--card);
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:1030;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:76px;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex:0 0 auto;}
.brand-mark{width:42px;height:42px;flex:0 0 42px;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:20px;font-weight:800;color:var(--brand);letter-spacing:.01em;}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.14em;}
.header-actions{display:flex;align-items:center;gap:10px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-ctrl);
  font-size:15px;font-weight:700;border:1px solid transparent;
  cursor:pointer;transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-solid{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:var(--shadow-1);}
.btn-solid:hover{background:var(--brand-700);color:#fff;transform:translateY(1px);}
.btn-line{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-line:hover{background:rgba(15,61,51,.08);color:var(--brand-700);}
.btn-ghost{background:var(--accent);color:var(--brand-700);border-color:var(--accent);}
.btn-ghost:hover{background:#b9e02c;color:var(--brand-700);transform:translateY(1px);}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-ctrl);
  background:var(--card);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--brand);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--brand);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ===== 频道行 ===== */
.channelbar{
  background:var(--card);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.channel-list{
  display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0;
  overflow-x:auto;scrollbar-width:none;
}
.channel-list::-webkit-scrollbar{display:none;}
.channel-link{
  display:inline-flex;align-items:center;height:52px;padding:0 16px;
  font-size:15px;font-weight:700;color:var(--muted);white-space:nowrap;
  border-bottom:2px solid transparent;transition:background-color .22s ease,color .22s ease,border-color .22s ease;
}
.channel-link:hover{background:rgba(15,61,51,.06);color:var(--brand);}
.channel-link.active{color:var(--brand);border-bottom-color:var(--accent);}
@media (max-width:767.98px){
  .channelbar{display:none;}
  .nav-toggle{display:inline-flex;}
}
.offcanvas{background:var(--bg);}
.offcanvas .channel-link{
  display:flex;width:100%;height:48px;border-bottom:1px solid var(--line);
  border-left:3px solid transparent;padding:0 8px;font-size:16px;
}
.offcanvas .channel-link.active{border-left-color:var(--accent);border-bottom-color:var(--line);background:rgba(15,61,51,.05);}

/* ===== 分类头 ===== */
.cat-hero{position:relative;background:var(--brand);overflow:hidden;}
.cat-hero-media{position:relative;height:clamp(260px,34vw,400px);width:100%;}
.cat-hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9;}
.cat-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,61,51,.72) 0%,rgba(15,61,51,.86) 100%);
}
.cat-hero-body{
  position:absolute;inset:0;display:flex;align-items:flex-end;
  padding:36px 0;
}
.cat-hero-body h1{color:#fff;margin-bottom:14px;max-width:900px;}
.cat-hero-body .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(200,240,60,.16);color:var(--accent);
  border:1px solid rgba(200,240,60,.42);
  padding:5px 14px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:700;letter-spacing:.04em;margin-bottom:16px;
}
.cat-hero-body .lede{
  color:rgba(255,255,255,.86);font-size:16px;line-height:1.85;
  max-width:720px;margin:0;
}
.cat-hero-bar{
  background:var(--brand-700);border-top:1px solid rgba(255,255,255,.1);
  padding:16px 0;
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 16px;
  border-radius:var(--radius-pill);border:1px solid rgba(255,255,255,.26);
  background:rgba(255,255,255,.06);color:rgba(255,255,255,.82);
  font-size:14px;font-weight:600;transition:all .22s ease;
}
.chip:hover{background:rgba(200,240,60,.16);color:var(--accent);border-color:rgba(200,240,60,.5);}
.chip.is-active{background:var(--accent);color:var(--brand-700);border-color:var(--accent);}

/* ===== 通用板块 ===== */
.section{padding:72px 0;}
.section-sm{padding:48px 0;}
.section-head{margin-bottom:34px;max-width:760px;}
.section-head .kicker{
  display:block;color:var(--orange);font-size:13px;font-weight:800;
  letter-spacing:.18em;margin-bottom:10px;
}
.section-head p{color:var(--muted);margin:12px 0 0;font-size:16px;}
.divider{height:1px;background:var(--line);border:0;margin:0;}
@media (max-width:767.98px){.section{padding:48px 0;}.section-sm{padding:36px 0;}}

/* ===== 首条大卡 ===== */
.lead-card{
  display:grid;grid-template-columns:1.15fr 1fr;gap:0;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);transition:box-shadow .22s ease,transform .22s ease;
}
.lead-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.lead-card-media{position:relative;min-height:340px;}
.lead-card-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.lead-card-media .flag{
  position:absolute;top:18px;left:18px;
  background:var(--orange);color:#fff;font-size:13px;font-weight:800;
  padding:6px 14px;border-radius:var(--radius-pill);letter-spacing:.02em;
}
.lead-card-body{padding:36px;display:flex;flex-direction:column;justify-content:center;}
.lead-card-body h3{font-size:clamp(22px,2.4vw,28px);margin-bottom:14px;}
.lead-card-body p{color:var(--muted);font-size:16px;margin-bottom:18px;}
.meta-row{
  display:flex;flex-wrap:wrap;gap:10px 18px;font-size:14px;color:var(--muted);
  border-top:1px solid var(--line);padding-top:16px;
}
.meta-row strong{color:var(--ink);font-weight:700;}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(15,61,51,.08);color:var(--brand);
  border-radius:var(--radius-pill);padding:4px 12px;font-size:13px;font-weight:700;
}
@media (max-width:991.98px){.lead-card{grid-template-columns:1fr;}.lead-card-media{min-height:240px;}.lead-card-body{padding:26px;}}

/* ===== 三列紧凑卡 ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap);}
@media (min-width:576px) and (max-width:991.98px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:575.98px){.grid-3{grid-template-columns:1fr;gap:16px;}}
.mini-card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;overflow:hidden;
}
.mini-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#d6d2c5;}
.mini-card:hover::before{transform:scaleX(1);}
.mini-icon{
  width:46px;height:46px;border-radius:12px;background:rgba(15,61,51,.08);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
  color:var(--brand);font-weight:800;font-variant-numeric:tabular-nums;
}
.mini-card h3{font-size:19px;margin-bottom:10px;}
.mini-card p{color:var(--muted);font-size:15px;margin-bottom:16px;}
.tag{
  display:inline-block;background:rgba(15,61,51,.08);color:var(--brand);
  border-radius:var(--radius-pill);padding:3px 11px;font-size:12.5px;font-weight:700;margin-right:6px;
}
.tag-orange{background:rgba(242,103,10,.1);color:#B44C05;}

/* ===== 步骤条 ===== */
.steps{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gap);
  counter-reset:step;
}
@media (max-width:991.98px){.steps{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:575.98px){.steps{grid-template-columns:1fr;gap:16px;}}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-1);position:relative;
}
.step-num{
  width:40px;height:40px;border-radius:var(--radius-pill);
  background:var(--brand);color:var(--accent);display:flex;align-items:center;justify-content:center;
  font-weight:800;font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{color:var(--muted);font-size:15px;margin:0;}

/* ===== 深色安全区 ===== */
.dark-band{
  background:var(--brand);color:#fff;border-radius:var(--radius-card);
  padding:44px;position:relative;overflow:hidden;
}
.dark-band h2{color:#fff;}
.dark-band p{color:rgba(255,255,255,.8);}
.dark-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;
  border:2px solid rgba(200,240,60,.28);border-radius:50%;
}
.dark-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:relative;z-index:1;}
@media (max-width:991.98px){.dark-list{grid-template-columns:1fr;}.dark-band{padding:28px;}}
.dark-list li{
  border-top:2px solid var(--accent);padding-top:16px;font-size:15px;color:rgba(255,255,255,.86);
}
.dark-list strong{display:block;color:#fff;font-size:17px;margin-bottom:6px;font-weight:800;}

/* ===== 统计 ===== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
@media (max-width:767.98px){.stats{grid-template-columns:repeat(2,1fr);gap:16px;}}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);}
.stat b{display:block;font-size:30px;line-height:1.2;color:var(--brand);font-variant-numeric:tabular-nums;font-weight:800;}
.stat span{display:block;font-size:14px;color:var(--muted);margin-top:6px;}

/* ===== FAQ 手风琴 ===== */
.faq .accordion-item{
  border:1px solid var(--line);border-radius:var(--radius-card)!important;
  margin-bottom:12px;overflow:hidden;background:var(--card);box-shadow:var(--shadow-1);
}
.faq .accordion-button{
  background:var(--card);color:var(--ink);font-weight:700;font-size:17px;
  padding:20px 22px 20px 26px;border-left:4px solid var(--brand);
  box-shadow:none;
}
.faq .accordion-button:not(.collapsed){background:rgba(15,61,51,.05);color:var(--brand);}
.faq .accordion-button::after{
  filter:grayscale(1) brightness(.6);
}
.faq .accordion-body{color:var(--muted);font-size:16px;line-height:1.85;padding:4px 26px 24px 26px;}

/* ===== CTA 条 ===== */
.cta-band{
  background:var(--card);border:1px solid var(--line);border-color:#d9d5c8;
  border-radius:var(--radius-card);padding:40px;box-shadow:var(--shadow-1);
  display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;
}
@media (max-width:991.98px){.cta-band{grid-template-columns:1fr;padding:26px;gap:20px;}}
.cta-band h2{margin-bottom:12px;}
.cta-band p{color:var(--muted);margin-bottom:18px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
@media (max-width:991.98px){.cta-actions{justify-content:flex-start;}}

/* ===== 分页 ===== */
.pager{display:flex;align-items:center;gap:8px;justify-content:center;padding:0;margin:0;list-style:none;flex-wrap:wrap;}
.page-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:8px;border:1px solid var(--line);
  background:var(--card);color:var(--brand);font-weight:700;font-size:15px;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease;
}
.page-btn:hover{background:rgba(15,61,51,.08);border-color:var(--brand);}
.page-btn.is-current{background:var(--brand);border-color:var(--brand);color:#fff;}
.page-btn.wide{width:auto;padding:0 18px;gap:6px;}

/* ===== 页脚 ===== */
.site-footer{background:var(--brand);color:rgba(247,245,240,.78);padding:60px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px;}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand .brand-text{flex-direction:column;}
.footer-brand .brand-name{color:#fff;font-size:20px;display:block;}
.footer-brand .brand-sub{color:var(--accent);letter-spacing:.14em;font-size:12px;}
.footer-brand p{color:rgba(247,245,240,.72);font-size:14.5px;line-height:1.85;margin:14px 0 0;text-align:left;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:rgba(247,245,240,.78);font-size:14.5px;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:20px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(247,245,240,.6);
}

/* ===== 回到顶部 ===== */
.to-top{
  position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:50%;
  background:var(--brand);color:var(--accent);border:0;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-2);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s ease;z-index:1040;cursor:pointer;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand-700);}

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

/* roulang page: category2 */
:root{
  --brand:#0F3D33;
  --brand-deep:#0A2C25;
  --brand-tint:rgba(15,61,51,.08);
  --brand-tint-2:rgba(15,61,51,.14);
  --lime:#C8F03C;
  --lime-soft:rgba(200,240,60,.36);
  --orange:#F2670A;
  --paper:#F7F5F0;
  --card:#FFFFFF;
  --line:#E3E0D6;
  --ink:#14201D;
  --muted:#5C6A64;
  --r-card:16px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,61,51,.06);
  --sh-2:0 14px 30px -14px rgba(15,61,51,.22);
  --t:.22s ease;

  --bs-primary:#0F3D33;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#14201D;
  --bs-border-radius:12px;
  --bs-border-color:#E3E0D6;
  --bs-link-color:#0F3D33;
  --bs-link-hover-color:#0A2C25;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  background-color:var(--paper);
  background-image:radial-gradient(rgba(15,61,51,.035) 1px,transparent 1px);
  background-size:22px 22px;
  text-align:justify;
  word-break:break-word;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),opacity var(--t)}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4{font-weight:800;line-height:1.35;color:var(--ink);margin:0}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.on-dark :focus-visible,.scene-band :focus-visible,.site-footer :focus-visible{outline-color:var(--lime)}

.container{max-width:1240px;padding-left:24px;padding-right:24px;margin:0 auto}
@media (min-width:1400px){.container{max-width:1320px}}
.narrow-wrap{max-width:860px;margin:0 auto;padding-left:24px;padding-right:24px}

/* ============ 顶部品牌行 ============ */
.site-header{position:sticky;top:0;z-index:1030;background:var(--card);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:74px}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--brand)}
.brand:hover{color:var(--brand)}
.brand-mark{width:42px;height:42px;border-radius:50%;background:var(--brand);display:grid;place-items:center;border:2px solid var(--brand);flex:none}
.brand-mark svg{width:24px;height:24px}
.brand-text{display:inline-flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.4px;color:var(--brand)}
.brand-sub{font-size:12px;color:var(--muted);font-weight:400;letter-spacing:.6px}
.topbar-actions{display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;gap:6px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-pill);padding:4px 4px 4px 14px;transition:border-color var(--t),box-shadow var(--t)}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-tint)}
.search-box input{border:0;background:transparent;outline:none;font-size:14px;width:150px;color:var(--ink)}
.search-box input::placeholder{color:#9aa5a0}
.search-box button{border:0;background:var(--brand);color:#fff;border-radius:var(--r-pill);font-size:13px;font-weight:600;padding:7px 14px;cursor:pointer;transition:var(--t)}
.search-box button:hover{background:var(--brand-deep)}
.channel-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-input);background:var(--card);color:var(--brand);cursor:pointer;transition:var(--t)}
.channel-toggle:hover{background:var(--brand-tint);border-color:var(--brand)}
.channel-toggle svg{width:22px;height:22px;stroke-width:2}

/* ============ 频道行 ============ */
.channelbar{background:var(--card);border-bottom:1px solid var(--line)}
.channel-list{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none}
.channel-list::-webkit-scrollbar{display:none}
.channel-link{display:inline-flex;align-items:center;min-height:50px;padding:0 16px;font-size:15px;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap;transition:var(--t)}
.channel-link:hover{color:var(--brand);background:rgba(15,61,51,.06)}
.channel-link.active{color:var(--brand);border-bottom-color:var(--lime);background:rgba(15,61,51,.04)}

/* ============ 分类头 ============ */
.cat-header{background:var(--card);border-bottom:1px solid var(--line);padding:40px 0 48px}
.breadcrumb-line{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb-line a{color:var(--muted);font-weight:600}
.breadcrumb-line a:hover{color:var(--brand)}
.breadcrumb-line .sep{color:#c3beb1}
.breadcrumb-line [aria-current]{color:var(--brand);font-weight:700}
.cat-header h1{font-size:clamp(30px,4.2vw,46px);line-height:1.2;margin:18px 0 18px}
.lead{font-size:18px;color:var(--muted);line-height:1.9;margin-bottom:26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:14px 40px;padding:20px 0 26px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.meta-item{display:flex;align-items:baseline;gap:8px}
.meta-num{font-size:26px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1}
.meta-label{font-size:14px;color:var(--muted)}
.hero-figure{position:relative;margin:28px 0 0;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.hero-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-figure::after{content:"";position:absolute;inset:0;background:rgba(15,61,51,.12);pointer-events:none}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
.section-alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.35;margin-bottom:12px}
.section-head p{color:var(--muted);margin:0}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 15px;border-radius:var(--r-pill);background:var(--brand-tint);color:var(--brand);font-size:13px;font-weight:700;letter-spacing:.3px;line-height:1.6}
.chip-solid{background:var(--brand);color:#fff}
.chip-lime{background:var(--lime-soft);color:#20431a}
.eyebrow{display:block;margin-bottom:14px}

/* ============ 时间轴 ============ */
.timeline{position:relative;padding:6px 0}
.timeline::before{content:"";position:absolute;left:23px;top:14px;bottom:14px;width:2px;background:var(--line)}
.tl-item{position:relative;padding-left:82px;margin-bottom:26px}
.tl-item:last-child{margin-bottom:0}
.tl-badge{position:absolute;left:0;top:4px;width:48px;height:48px;border-radius:50%;background:var(--card);border:2px solid var(--brand);color:var(--brand);font-weight:800;font-size:15px;display:grid;place-items:center;font-variant-numeric:tabular-nums;z-index:1}
.tl-card{position:relative;overflow:hidden;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px 26px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.tl-card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--brand);opacity:0;transition:opacity var(--t)}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d6d2c4}
.tl-card:hover::before{opacity:1}
.tl-card h3{font-size:21px;margin-bottom:10px}
.tl-card p{color:var(--muted);margin-bottom:12px;font-size:16px}
.tl-time{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--brand);background:var(--brand-tint);border-radius:var(--r-pill);padding:3px 12px;font-variant-numeric:tabular-nums;margin-bottom:12px}
.tl-points{display:flex;flex-direction:column;gap:6px}
.tl-points li{position:relative;padding-left:18px;font-size:15px;color:var(--muted);line-height:1.85}
.tl-points li::before{content:"";position:absolute;left:0;top:12px;width:7px;height:7px;border-radius:50%;background:var(--lime);border:1px solid var(--brand)}

/* ============ 图文要点区 ============ */
.split{display:grid;grid-template-columns:0.92fr 1.08fr;gap:36px;align-items:start}
.split-figure{margin:0;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.split-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.check-list{display:flex;flex-direction:column;gap:18px}
.check-item{display:flex;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t)}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.check-index{flex:none;width:38px;height:38px;border-radius:10px;background:var(--brand);color:var(--lime);display:grid;place-items:center;font-weight:800;font-size:14px;font-variant-numeric:tabular-nums}
.check-item h3{font-size:19px;margin-bottom:6px}
.check-item p{margin:0;font-size:15px;color:var(--muted);line-height:1.85}

/* ============ 暗底场景带 ============ */
.scene-band{background-color:var(--brand);background-image:linear-gradient(rgba(15,61,51,.94),rgba(15,61,51,.94)),url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;color:#eaf1ec;padding:64px 0}
.scene-band h2{color:#fff;font-size:clamp(24px,3vw,32px);margin-bottom:12px}
.scene-band .section-head p{color:rgba(234,241,236,.78)}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{border:1px dashed rgba(200,240,60,.45);border-radius:var(--r-card);padding:24px;background:rgba(255,255,255,.04);transition:background-color var(--t),transform var(--t)}
.scene-card:hover{background:rgba(255,255,255,.09);transform:translateY(-4px)}
.scene-num{display:inline-block;font-weight:800;color:var(--lime);font-variant-numeric:tabular-nums;font-size:14px;letter-spacing:1px;margin-bottom:10px}
.scene-card h3{color:#fff;font-size:19px;margin-bottom:8px}
.scene-card p{color:rgba(234,241,236,.78);font-size:15px;margin:0;line-height:1.85}

/* ============ FAQ ============ */
.accordion{--bs-accordion-bg:var(--card);--bs-accordion-border-color:var(--line);--bs-accordion-border-radius:var(--r-card);--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-active-bg:var(--card);--bs-accordion-active-color:var(--brand);--bs-accordion-btn-padding-x:22px;--bs-accordion-btn-padding-y:20px;--bs-accordion-body-padding-x:22px;--bs-accordion-body-padding-y:18px}
.accordion-item{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;margin-bottom:14px;box-shadow:var(--sh-1)}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{font-size:17px;font-weight:700;color:var(--ink);border-left:4px solid var(--brand);line-height:1.6}
.accordion-button:not(.collapsed){color:var(--brand);background:var(--card);box-shadow:none}
.accordion-button::after{background-image:none;content:"";width:11px;height:11px;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(45deg);transition:transform var(--t);margin-left:auto;flex:none}
.accordion-button:not(.collapsed)::after{transform:rotate(225deg)}
.accordion-body{color:var(--muted);font-size:16px;line-height:1.85;border-top:1px solid var(--line)}

/* ============ CTA 与表单 ============ */
.cta-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:34px;box-shadow:var(--sh-1)}
.cta-panel h2{font-size:clamp(23px,2.6vw,30px);margin-bottom:12px}
.cta-panel > p{color:var(--muted);margin-bottom:20px}
.cta-points{display:flex;flex-direction:column;gap:8px;margin-bottom:26px}
.cta-points li{position:relative;padding-left:20px;font-size:15px;color:var(--muted);line-height:1.85}
.cta-points li::before{content:"";position:absolute;left:0;top:12px;width:8px;height:8px;border-radius:50%;background:var(--orange)}
.cta-form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{display:flex;flex-direction:column;gap:7px}
.form-field.full{grid-column:1 / -1}
.form-field label{font-size:14px;font-weight:700;color:var(--brand)}
.form-control{height:48px;border-radius:var(--r-input);border:1px solid var(--line);background:var(--paper);font-size:16px;color:var(--ink);padding:0 14px;transition:var(--t)}
.form-control::placeholder{color:#9aa5a0}
.form-control:focus{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-tint)}
.form-tip{font-size:13px;color:var(--muted);line-height:1.7}
.form-tip.is-active{color:var(--brand);font-weight:700}

/* ============ 按钮 ============ */
.btn{font-weight:700;border-radius:var(--r-input);transition:var(--t);border-width:1px;letter-spacing:.2px}
.btn-brand{background:var(--brand);border:1px solid var(--brand);color:#fff;min-height:48px;padding:10px 22px;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn-brand:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;transform:translateY(1px)}
.btn-outline-brand{background:transparent;border:1px solid var(--brand);color:var(--brand);min-height:48px;padding:10px 22px;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn-outline-brand:hover{background:var(--brand-tint);color:var(--brand)}
.btn-lime{background:var(--lime);border:1px solid var(--lime);color:#173a12;min-height:48px;padding:10px 22px;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn-lime:hover{background:#b7e02f;border-color:#b7e02f;color:#173a12;transform:translateY(1px)}
.btn-block{width:100%}
.btn:disabled,.btn.disabled{opacity:.5}

/* ============ 上一/下一栏目 ============ */
.pager-duo{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.pager-duo a{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.pager-duo a:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand)}
.pager-label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;letter-spacing:.5px}
.pager-title{display:block;font-size:19px;font-weight:800;color:var(--brand);line-height:1.5}
.pager-note{display:block;font-size:14px;color:var(--muted);margin-top:8px}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand);color:#e8efe9;padding:60px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px}
.footer-brand .brand-name{color:#fff;font-size:20px}
.footer-brand .brand-sub{color:var(--lime);font-size:12px;letter-spacing:.8px}
.footer-brand p{color:rgba(232,239,233,.74);font-size:15px;line-height:1.85;margin:16px 0 0;text-align:left}
.footer-col h4{font-size:16px;color:#fff;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(232,239,233,.8);font-size:15px}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:rgba(232,239,233,.62)}

/* ============ 回到顶部 ============ */
.to-top{position:fixed;right:20px;bottom:26px;width:44px;height:44px;border-radius:50%;background:var(--brand);color:var(--lime);border:1px solid rgba(200,240,60,.4);display:grid;place-items:center;cursor:pointer;opacity:0;pointer-events:none;transform:translateY(8px);transition:var(--t);z-index:1040}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{background:var(--brand-deep)}

/* ============ 抽屉导航 ============ */
.offcanvas.drawer{background:var(--paper);color:var(--ink);width:min(86vw,340px)}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.offcanvas-title{font-size:18px;font-weight:800;color:var(--brand)}
.btn-close{--bs-btn-close-color:#0F3D33;opacity:.7}
.btn-close:hover{opacity:1}
.drawer-list{display:flex;flex-direction:column;gap:6px;margin-bottom:22px}
.drawer-list a{display:flex;align-items:center;min-height:48px;padding:0 16px;border-radius:var(--r-input);font-size:16px;font-weight:600;color:var(--muted);border:1px solid transparent}
.drawer-list a:hover{background:var(--brand-tint);color:var(--brand)}
.drawer-list a.active{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:28px}
}
@media (max-width:991.98px){
  .section{padding:52px 0}
  .split{grid-template-columns:1fr;gap:24px}
  .scene-grid{grid-template-columns:1fr;gap:16px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:767.98px){
  body{font-size:16px;line-height:1.88}
  .channelbar{display:none}
  .channel-toggle{display:inline-flex}
  .search-box{display:none}
  .topbar-inner{min-height:66px}
  .brand-name{font-size:17px}
  .container{padding-left:18px;padding-right:18px}
  .narrow-wrap{padding-left:18px;padding-right:18px}
  .cat-header{padding:26px 0 34px}
  .cat-header h1{margin:14px 0 14px}
  .lead{font-size:16px}
  .hero-meta{gap:12px 26px;padding:16px 0 20px}
  .meta-num{font-size:22px}
  .section{padding:48px 0}
  .tl-item{padding-left:64px;margin-bottom:20px}
  .tl-badge{width:40px;height:40px;font-size:13px;top:2px}
  .timeline::before{left:19px}
  .tl-card{padding:20px}
  .tl-card h3{font-size:19px}
  .cta-panel{padding:24px 20px}
  .cta-form{grid-template-columns:1fr}
  .pager-duo{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .site-footer{padding:44px 0 22px}
  .footer-brand p{text-align:left}
  .to-top{right:14px;bottom:18px}
}
@media (max-width:519.98px){
  .h1,.cat-header h1{font-size:28px}
  .section-head h2{font-size:23px}
}

/* roulang page: category3 */
:root{
  --brand:#0F3D33;
  --brand-deep:#0B2F28;
  --brand-2:#155446;
  --lime:#C8F03C;
  --orange:#F2670A;
  --bg:#F7F5F0;
  --bg-soft:#FBFAF6;
  --card:#FFFFFF;
  --line:#E3E0D6;
  --ink:#14201D;
  --ink-2:#5C6A64;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(15,61,51,.06);
  --shadow-2:0 14px 30px -14px rgba(15,61,51,.22);
  --trans:.22s ease;
  --bs-primary:#0F3D33;
  --bs-primary-rgb:15,61,51;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#14201D;
  --bs-border-color:#E3E0D6;
  --bs-border-radius:16px;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --bs-link-color:#0F3D33;
  --bs-link-hover-color:#F2670A;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color var(--trans),background-color var(--trans)}
a:hover{color:var(--orange)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;box-shadow:0 0 0 4px rgba(200,240,60,.55)}
h1,h2,h3,h4{font-weight:800;margin:0 0 .6em;letter-spacing:.01em}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.2}
h2{font-size:clamp(24px,3vw,34px);line-height:1.35}
h3{font-size:21px;line-height:1.5}
h4{font-size:17px;line-height:1.5}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
.container{width:100%;max-width:1240px;margin-inline:auto;padding-inline:24px}
@media (min-width:1400px){.container{max-width:1320px}}
@media (max-width:767.98px){.container{padding-inline:18px}}
.section{padding:72px 0}
@media (max-width:767.98px){.section{padding:48px 0}}
.section-head{max-width:780px;margin-bottom:40px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.18em;color:var(--orange);margin-bottom:12px}
.lead-text{font-size:17.5px;color:var(--ink-2);line-height:1.9}
.chip{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--radius-pill);background:rgba(15,61,51,.1);color:var(--brand);font-size:13px;font-weight:600}
.chip.is-solid{background:var(--brand);color:#fff}
.btn-main,.btn-line,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-md);border:1.5px solid transparent;
  font-size:16px;font-weight:700;line-height:1.4;cursor:pointer;
  transition:background-color var(--trans),color var(--trans),transform var(--trans),box-shadow var(--trans),border-color var(--trans);
}
.btn-main{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-main:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;transform:translateY(1px);box-shadow:var(--shadow-2)}
.btn-main:active{transform:translateY(2px)}
.btn-line{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-line:hover{background:rgba(15,61,51,.08);color:var(--brand);transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(1px)}
.btn-sm{padding:9px 18px;font-size:14.5px}
.btn-block{width:100%}
/* header */
.site-header{background:#fff;border-bottom:1px solid var(--line)}
.brandbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:78px}
.brand{display:inline-flex;align-items:center;gap:12px}
.brand:hover .brand-name{color:var(--brand-2)}
.brand-mark{flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:20px;font-weight:800;color:var(--brand);letter-spacing:.02em;transition:color var(--trans)}
.brand-sub{font-size:12px;color:var(--ink-2);letter-spacing:.14em}
.brand-actions{display:flex;align-items:center;gap:12px}
.nav-search{display:flex;align-items:center;gap:8px;height:44px;padding:5px 5px 5px 16px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-pill)}
.nav-search input{border:0;outline:none;background:transparent;font-size:14.5px;width:148px;color:var(--ink)}
.nav-search input::placeholder{color:#9AA6A0}
.nav-search button{width:32px;height:32px;border:0;border-radius:var(--radius-pill);background:var(--brand);color:#fff;display:grid;place-items:center;cursor:pointer;transition:background-color var(--trans)}
.nav-search button:hover{background:var(--brand-deep)}
.nav-toggle{display:none;width:46px;height:46px;border:1px solid var(--line);border-radius:var(--radius-md);background:#fff;padding:0;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--brand);border-radius:2px}
.nav-toggle:hover{background:rgba(15,61,51,.06)}
.channelbar{background:var(--bg-soft);border-top:1px solid var(--line)}
.channel-list{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.channel-link{position:relative;display:inline-flex;align-items:center;height:54px;padding:0 16px;font-size:15.5px;font-weight:600;color:var(--ink);border-radius:8px}
.channel-link:hover{background:rgba(15,61,51,.06);color:var(--brand)}
.channel-link.active{color:var(--brand)}
.channel-link.active::after{content:"";position:absolute;left:16px;right:16px;bottom:8px;height:3px;border-radius:3px;background:var(--lime);box-shadow:0 1px 0 rgba(15,61,51,.45)}
.offcanvas{border:0;background:var(--bg)}
.offcanvas-header{border-bottom:1px solid var(--line)}
.offcanvas-title{font-size:18px;font-weight:800;color:var(--brand)}
.mobile-nav-list{display:flex;flex-direction:column}
.mobile-nav-list a{display:flex;align-items:center;min-height:52px;font-size:17px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.mobile-nav-list a.active{color:var(--brand)}
.mobile-nav-list a i{margin-right:10px;color:var(--brand)}
/* marquee */
.marquee{background:var(--brand);color:#fff}
.marquee-inner{display:flex;align-items:center;flex-wrap:wrap;gap:10px 28px;padding-top:14px;padding-bottom:14px}
.marquee-label{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--radius-pill);background:var(--lime);color:var(--brand);font-size:13px;font-weight:800;letter-spacing:.08em}
.marquee-list{display:flex;flex-wrap:wrap;gap:8px 28px;font-size:14.5px;color:rgba(255,255,255,.86)}
.marquee-list li{position:relative;padding-left:16px}
.marquee-list li::before{content:"";position:absolute;left:0;top:50%;width:6px;height:6px;margin-top:-3px;border-radius:50%;background:var(--lime)}
/* cat header */
.cat-header{padding:56px 0 8px;background:linear-gradient(180deg,var(--bg-soft) 0%,var(--bg) 100%)}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2);margin-bottom:20px}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--brand)}
.crumbs span{color:#B7BEB9}
.cat-header h1{margin-bottom:20px;max-width:960px}
.cat-header h1 .hl{color:var(--brand);border-bottom:6px solid var(--lime);padding-bottom:2px}
.cat-desc{max-width:840px;font-size:17.5px;color:var(--ink-2);line-height:1.9}
.cat-desc strong{color:var(--ink);font-weight:700}
.cat-meta{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:26px;padding-top:22px;border-top:1px solid var(--line);font-size:14px;color:var(--ink-2)}
.cat-meta span{display:inline-flex;align-items:center;gap:8px}
.cat-meta i{color:var(--brand)}
/* collage */
.collage{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;align-items:start}
.collage-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--trans),box-shadow var(--trans),border-color var(--trans);
}
.collage-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--trans);z-index:2}
.collage-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D8D4C7}
.collage-card:hover::before{transform:scaleX(1)}
.collage-thumb{display:block;position:relative;overflow:hidden;aspect-ratio:16/9;background:#EDEAE1}
.collage-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.collage-card:hover .collage-thumb img{transform:scale(1.04)}
.collage-card.is-tall .collage-thumb{aspect-ratio:4/3}
.collage-body{padding:24px 24px 0;display:flex;flex-direction:column;gap:12px;flex:1}
.collage-body h3{margin:0;font-size:21px}
.collage-body h3 a{color:var(--ink)}
.collage-body h3 a:hover{color:var(--brand)}
.collage-summary{font-size:15.5px;color:var(--ink-2);line-height:1.85;margin:0}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.collage-foot{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:18px 24px 22px;margin-top:auto;font-size:13.5px;color:var(--ink-2);border-top:1px solid var(--line)}
.collage-foot .dot{width:4px;height:4px;border-radius:50%;background:#C6CCC8}
.collage-card.is-feature{grid-column:span 2}
@media (min-width:768px){
  .collage-card:nth-child(even){margin-top:32px}
  .collage-card.is-feature:nth-child(even){margin-top:0}
}
@media (max-width:767.98px){
  .collage{grid-template-columns:1fr;gap:16px}
  .collage-card.is-feature{grid-column:span 1}
}
/* timeline */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.timeline li{position:relative;padding-top:38px}
.timeline li::before{content:"";position:absolute;top:10px;left:0;width:14px;height:14px;border-radius:50%;background:var(--brand);border:3px solid var(--lime);z-index:2}
.timeline li::after{content:"";position:absolute;top:16px;left:20px;right:-24px;height:2px;background:var(--line)}
.timeline li:last-child::after{display:none}
.tl-date{display:block;font-size:13.5px;font-weight:700;color:var(--orange);letter-spacing:.06em;margin-bottom:8px;font-variant-numeric:tabular-nums}
.tl-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;height:100%;box-shadow:var(--shadow-1);transition:box-shadow var(--trans),transform var(--trans)}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.tl-card h3{font-size:19px;margin-bottom:8px}
.tl-card p{font-size:15px;color:var(--ink-2);line-height:1.85;margin:0}
@media (max-width:991.98px){
  .timeline{grid-template-columns:repeat(2,1fr);gap:20px}
  .timeline li:nth-child(2)::after{display:none}
}
@media (max-width:575.98px){
  .timeline{grid-template-columns:1fr}
  .timeline li::after{display:none}
}
/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.steps li{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;box-shadow:var(--shadow-1);transition:transform var(--trans),box-shadow var(--trans),border-color var(--trans)}
.steps li:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D8D4C7}
.step-no{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-md);background:rgba(15,61,51,.08);color:var(--brand);font-weight:800;font-size:16px;margin-bottom:14px;font-variant-numeric:tabular-nums}
.steps h3{font-size:19px;margin-bottom:8px}
.steps p{font-size:15px;color:var(--ink-2);line-height:1.85;margin:0}
@media (max-width:991.98px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:575.98px){.steps{grid-template-columns:1fr}}
/* split */
.split{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--shadow-2)}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-media::after{content:"";position:absolute;inset:0;background:rgba(15,61,51,.14)}
.split-body h2{margin-bottom:18px}
.check-list{display:grid;gap:14px;margin-top:24px}
.check-list li{display:flex;gap:12px;font-size:16px;color:var(--ink);line-height:1.8}
.check-list i{color:var(--brand);margin-top:8px;font-size:14px}
.check-list span b{color:var(--brand)}
@media (max-width:991.98px){
  .split{grid-template-columns:1fr;gap:28px}
}
/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.stat{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px}
.stat-num{display:block;font-size:32px;font-weight:800;color:var(--brand);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-label{display:block;margin-top:6px;font-size:14.5px;color:var(--ink-2)}
@media (max-width:767.98px){.stats{grid-template-columns:repeat(2,1fr);gap:16px}}
/* faq */
.faq-list{border-top:1px solid var(--line);max-width:960px}
.faq-list .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0}
.faq-list .accordion-button{
  position:relative;background:transparent;color:var(--ink);
  font-size:18.5px;font-weight:700;line-height:1.6;padding:22px 56px 22px 20px;
  box-shadow:none;border-radius:0;transition:color var(--trans),background-color var(--trans);
}
.faq-list .accordion-button::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:2px;background:var(--brand)}
.faq-list .accordion-button::after{
  width:16px;height:16px;background-size:16px;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230F3D33'%3E%3Cpath d='M8 11.6 2.2 5.8l1.4-1.4L8 8.8l4.4-4.4 1.4 1.4z'/%3E%3C/svg%3E");
  transition:transform var(--trans);
}
.faq-list .accordion-button:not(.collapsed){background:rgba(15,61,51,.04);color:var(--brand)}
.faq-list .accordion-button:not(.collapsed)::after{transform:rotate(180deg);background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230F3D33'%3E%3Cpath d='M8 11.6 2.2 5.8l1.4-1.4L8 8.8l4.4-4.4 1.4 1.4z'/%3E%3C/svg%3E")}
.faq-list .accordion-button:focus{box-shadow:none}
.faq-list .accordion-button:focus-visible{outline:2px solid var(--brand);outline-offset:2px;box-shadow:0 0 0 4px rgba(200,240,60,.55)}
.faq-list .accordion-body{padding:4px 24px 26px 20px;font-size:16px;color:var(--ink-2);line-height:1.9}
/* cta */
.cta-panel{
  display:grid;grid-template-columns:1.1fr 1fr;gap:48px;
  background:var(--brand);color:#fff;border-radius:var(--radius-lg);
  padding:48px;position:relative;overflow:hidden;
}
.cta-panel::after{content:"";position:absolute;right:-80px;bottom:-100px;width:280px;height:280px;border-radius:50%;background:rgba(200,240,60,.12)}
.cta-copy{position:relative;z-index:2}
.cta-copy .eyebrow{color:var(--lime)}
.cta-copy h2{color:#fff;margin-bottom:20px}
.cta-points{display:grid;gap:12px;margin-top:6px}
.cta-points li{display:flex;gap:10px;font-size:15.5px;color:rgba(255,255,255,.86);line-height:1.8}
.cta-points i{color:var(--lime);margin-top:8px;font-size:13px}
.cta-form{position:relative;z-index:2;background:#fff;border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-2)}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.field label{font-size:14.5px;font-weight:700;color:var(--ink)}
.field input{
  height:48px;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:0 14px;font-size:15.5px;color:var(--ink);background:var(--bg-soft);
  transition:border-color var(--trans),box-shadow var(--trans),background-color var(--trans);
}
.field input::placeholder{color:#9AA6A0}
.field input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(200,240,60,.4)}
.form-tip{margin:14px 0 0;font-size:13.5px;color:var(--ink-2);line-height:1.7}
@media (max-width:991.98px){
  .cta-panel{grid-template-columns:1fr;gap:28px;padding:32px}
}
/* footer */
.site-footer{background:var(--brand);color:#EDF1EE;padding:64px 0 28px;margin-top:72px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand-text{display:flex;flex-direction:column;gap:4px;margin-bottom:16px}
.footer-brand .brand-name{font-size:20px;font-weight:800;color:#fff}
.footer-brand .brand-sub{font-size:12px;letter-spacing:.14em;color:rgba(200,240,60,.9)}
.footer-brand p{font-size:15px;color:rgba(237,241,238,.78);line-height:1.85;max-width:420px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:15px;color:rgba(237,241,238,.78)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);font-size:13.5px;color:rgba(237,241,238,.68)}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:48px 0 24px}
}
/* to top */
.to-top{
  position:fixed;right:22px;bottom:22px;width:44px;height:44px;border:0;border-radius:50%;
  background:var(--brand);color:#fff;display:grid;place-items:center;cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--trans),visibility var(--trans),transform var(--trans),background-color var(--trans);
  z-index:1040;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--brand-deep)}
/* responsive nav */
@media (max-width:991.98px){
  .nav-search{display:none}
}
@media (max-width:767.98px){
  .channelbar{display:none}
  .nav-toggle{display:flex}
  .brand-name{font-size:18px}
  .brandbar-inner{min-height:70px;gap:12px}
  .cat-header{padding:36px 0 4px}
  .cta-form{padding:22px}
}

/* roulang page: category4 */
:root{
  --ink:#0F3D33;
  --ink-dark:#0A2C25;
  --ink-soft:#14523F;
  --lime:#C8F03C;
  --orange:#F2670A;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --line:#E3E0D6;
  --text:#14201D;
  --muted:#5C6A64;
  --r-card:16px;
  --r-ctrl:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,61,51,.06);
  --sh-2:0 14px 30px -14px rgba(15,61,51,.22);
  --ff:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --bs-primary:#0F3D33;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#14201D;
  --bs-border-radius:12px;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--ff);
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  word-break:break-word;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;transition:color .22s ease,background-color .22s ease}
a:hover{color:var(--ink-soft)}
h1,h2,h3,h4{font-weight:800;color:var(--ink);margin:0}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.2;letter-spacing:-.01em}
h2{font-size:clamp(24px,3vw,34px);line-height:1.35}
h3{font-size:20px;line-height:1.5}
p{margin:0 0 1.1em;line-height:1.9;text-align:justify}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;box-shadow:0 0 0 4px rgba(200,240,60,.4)}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1320px}}
@media (max-width:767px){.container{padding:0 18px}}
.section-pad{padding:72px 0}
@media (max-width:767px){.section-pad{padding:48px 0}}

/* ---------- 顶部提示条 ---------- */
.topbar{background:var(--ink);color:#EFEDE6;font-size:14px}
.topbar.is-hidden{display:none}
.topbar-inner{display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding-top:7px;padding-bottom:7px;min-height:48px}
.topbar-label{flex:1 1 260px;line-height:1.6;display:flex;align-items:center;gap:8px}
.topbar-label i{color:var(--lime)}
.countdown{display:flex;gap:8px}
.cd-cell{display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--lime);color:#0B2A23;border-radius:8px;min-width:48px;padding:3px 6px;line-height:1.15}
.cd-cell b{font-size:17px;font-weight:800;font-variant-numeric:tabular-nums}
.cd-cell em{font-size:11px;font-style:normal;letter-spacing:.04em;opacity:.8}
.topbar-close{flex:0 0 auto;width:28px;height:28px;border-radius:var(--r-pill);border:1px solid rgba(239,237,230,.45);background:transparent;color:#EFEDE6;font-size:16px;line-height:1;cursor:pointer;transition:all .22s ease}
.topbar-close:hover{background:rgba(200,240,60,.18);border-color:var(--lime)}
@media (max-width:767px){
  .topbar-inner{padding-top:10px;padding-bottom:10px}
  .topbar-label{flex:1 1 100%;font-size:13px}
}

/* ---------- 品牌行 ---------- */
.brandbar{background:#fff;border-bottom:1px solid var(--line)}
.brandbar-inner{display:flex;align-items:center;gap:20px;min-height:78px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:44px;height:44px;flex:0 0 auto}
.brand-name{display:block;font-size:20px;font-weight:800;color:var(--ink);letter-spacing:.02em;line-height:1.3}
.brand-sub{display:block;font-size:12px;color:var(--muted);letter-spacing:.2em;line-height:1.4}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-mini{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-pill);height:42px;padding:0 16px;transition:border-color .22s ease}
.search-mini:focus-within{border-color:var(--ink);background:#fff}
.search-mini i{color:var(--muted);font-size:14px}
.search-mini input{border:0;background:transparent;outline:none;font-family:inherit;font-size:14px;color:var(--text);width:146px;height:100%}
.search-mini input::placeholder{color:#98A29D}
.btn-main,.btn-line,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:inherit;font-size:16px;font-weight:700;
  border-radius:var(--r-ctrl);height:46px;padding:0 22px;
  cursor:pointer;border:2px solid transparent;
  transition:all .22s ease;white-space:nowrap;
}
.btn-main{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-main:hover{background:var(--ink-dark);border-color:var(--ink-dark);color:#fff;transform:translateY(1px)}
.btn-line{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-line:hover{background:rgba(15,61,51,.08);color:var(--ink)}
.btn-ghost{background:transparent;color:#F7F5F0;border-color:rgba(247,245,240,.55)}
.btn-ghost:hover{background:rgba(200,240,60,.16);border-color:var(--lime);color:#fff}
.btn-accent{background:var(--orange);border-color:var(--orange);color:#fff}
.btn-accent:hover{background:#D9560A;border-color:#D9560A;color:#fff;transform:translateY(1px)}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-ctrl);background:#fff;padding:0;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px}
@media (max-width:1199px){
  .nav-toggle{display:inline-flex}
  .search-mini{display:none}
  .brandbar-inner{min-height:70px;gap:12px}
}
@media (max-width:575px){
  .brand-name{font-size:17px}
  .brand-sub{letter-spacing:.12em}
  .brand-mark{width:38px;height:38px}
  .btn-main.header-cta{height:42px;padding:0 16px;font-size:15px}
}

/* ---------- 频道行 ---------- */
.channelbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1020;box-shadow:var(--sh-1)}
.channel-list{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none}
.channel-list::-webkit-scrollbar{display:none}
.channel-link{display:block;padding:15px 16px;font-size:16px;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap;transition:all .22s ease}
.channel-link:hover{color:var(--ink);background:rgba(15,61,51,.06)}
.channel-link.active{color:var(--ink);font-weight:800;border-bottom-color:var(--lime)}
@media (max-width:991px){.channelbar{display:none}}

/* ---------- 移动端抽屉 ---------- */
.offcanvas.mobile-nav{background:#fff;width:300px}
.mobile-nav-head{padding:20px 20px 12px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px}
.mobile-nav-list{padding:12px}
.mobile-nav-list a{display:block;padding:13px 14px;border-radius:var(--r-ctrl);font-size:16px;font-weight:600;color:var(--text);min-height:44px}
.mobile-nav-list a:hover{background:rgba(15,61,51,.06)}
.mobile-nav-list a.active{background:rgba(15,61,51,.08);color:var(--ink);font-weight:800;box-shadow:inset 3px 0 0 var(--lime)}

/* ---------- 分类头 ---------- */
.cat-hero{position:relative;background:var(--ink);color:#F1F3EE;overflow:hidden}
.cat-hero::before{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-2.png) center/cover no-repeat;opacity:.3}
.cat-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(92deg,rgba(15,61,51,.94) 0%,rgba(15,61,51,.72) 58%,rgba(15,61,51,.55) 100%)}
.cat-hero .container{position:relative;z-index:2;padding-top:58px;padding-bottom:58px}
.cat-hero .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.18em;color:var(--lime);border:1px dashed rgba(200,240,60,.6);border-radius:var(--r-pill);padding:5px 14px;margin-bottom:18px}
.cat-hero h1{color:#fff;max-width:860px}
.cat-hero p{color:#D8E0DA;max-width:800px;margin-top:18px;margin-bottom:0;line-height:1.9}
.cat-hero .hero-note{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px 26px;font-size:14px;color:#BAC7C0}
.cat-hero .hero-note span{display:inline-flex;align-items:center;gap:8px}
.cat-hero .hero-note i{color:var(--lime)}
@media (max-width:767px){
  .cat-hero .container{padding-top:40px;padding-bottom:42px}
}

/* ---------- 筛选 chip 行 ---------- */
.chip-bar{background:#fff;border-bottom:1px solid var(--line)}
.chip-bar-inner{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:16px 0}
.chip-bar-label{font-size:14px;color:var(--muted);letter-spacing:.08em}
.chip{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 16px;border-radius:var(--r-pill);background:rgba(15,61,51,.1);color:var(--ink);font-size:14px;font-weight:600;border:1px solid transparent;transition:all .22s ease}
.chip:hover{background:rgba(15,61,51,.18)}
.chip.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.chip.active:hover{background:var(--ink-dark)}

/* ---------- 索引主体 ---------- */
.index-wrap{display:grid;grid-template-columns:286px 1fr;gap:36px;padding:56px 0 8px}
@media (max-width:1199px){
  .index-wrap{grid-template-columns:1fr;gap:0;padding:36px 0 8px}
  .toc-panel{display:none}
}
.toc-panel{position:sticky;top:96px;align-self:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px 16px}
.toc-title{font-size:13px;letter-spacing:.18em;color:var(--muted);margin:0 0 12px;padding-left:10px}
.toc-list li+li{margin-top:2px}
.toc-link{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:10px;font-size:15px;font-weight:600;color:var(--text)}
.toc-link:hover{background:rgba(15,61,51,.06);color:var(--ink)}
.toc-link.active{background:rgba(15,61,51,.08);color:var(--ink);box-shadow:inset 3px 0 0 var(--lime)}
.toc-count{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;flex:0 0 auto}
.toc-tip{margin-top:14px;padding:12px;border-radius:var(--r-ctrl);background:var(--bg);font-size:13px;color:var(--muted);line-height:1.8}

.toc-drawer{display:none;margin-bottom:24px}
@media (max-width:1199px){.toc-drawer{display:block}}
.toc-drawer summary{display:flex;align-items:center;justify-content:space-between;gap:12px;list-style:none;cursor:pointer;background:#fff;border:1px solid var(--line);border-radius:var(--r-ctrl);padding:14px 16px;font-weight:700;color:var(--ink)}
.toc-drawer summary::-webkit-details-marker{display:none}
.toc-drawer[open] summary{border-bottom-left-radius:0;border-bottom-right-radius:0}
.toc-drawer .drawer-body{border:1px solid var(--line);border-top:0;border-radius:0 0 var(--r-ctrl) var(--r-ctrl);background:#fff;padding:10px}
.toc-drawer .drawer-body a{display:flex;justify-content:space-between;padding:11px 12px;border-radius:10px;font-size:15px;font-weight:600;color:var(--text);min-height:44px}
.toc-drawer .drawer-body a:hover{background:rgba(15,61,51,.06)}

.qa-group{margin-bottom:40px}
.qa-group:last-of-type{margin-bottom:8px}
.qa-group-head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.qa-group-head h2{font-size:22px;padding-left:12px;border-left:4px solid var(--lime);line-height:1.4}
.qa-group-head .group-count{font-size:13px;color:var(--muted);background:var(--bg);border:1px solid var(--line);border-radius:var(--r-pill);padding:3px 12px;font-variant-numeric:tabular-nums}
.qa-row{border-bottom:1px solid var(--line)}
.qa-row:first-of-type{border-top:1px solid var(--line)}
.qa-row summary{display:flex;align-items:flex-start;gap:14px;padding:16px 4px;cursor:pointer;list-style:none;transition:background-color .22s ease}
.qa-row summary::-webkit-details-marker{display:none}
.qa-row summary:hover{background:rgba(15,61,51,.04)}
.qa-row summary:hover .q-title{color:var(--ink-soft)}
.q-title{flex:1 1 auto;font-size:17px;font-weight:700;line-height:1.65;color:var(--text);transition:color .22s ease}
.q-meta{flex:0 0 auto;display:flex;align-items:center;gap:10px;padding-top:2px}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);background:rgba(15,61,51,.1);color:var(--ink);font-size:12px;font-weight:600;white-space:nowrap}
.tag.is-alert{background:rgba(242,103,10,.12);color:#B44A05}
.q-time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
.q-caret{flex:0 0 auto;width:22px;height:22px;display:grid;place-items:center;color:var(--muted);transition:transform .22s ease}
.qa-row[open] .q-caret{transform:rotate(180deg)}
.qa-row[open] summary{background:rgba(15,61,51,.04)}
.q-answer{padding:0 4px 20px;max-width:820px;color:#3B4A44;font-size:16px;line-height:1.9}
.q-answer p{margin-bottom:.7em}
.q-answer p:last-child{margin-bottom:0}
.q-answer .inline-link{font-weight:700;color:var(--ink);border-bottom:2px solid var(--lime)}
@media (max-width:767px){
  .qa-row summary{flex-wrap:wrap;gap:8px 12px}
  .q-title{flex:1 1 100%;font-size:16px}
  .q-meta{order:3;flex:1 1 100%;flex-wrap:wrap;gap:8px;padding-top:0}
  .q-caret{position:absolute;right:18px}
}

/* ---------- 分页 ---------- */
.pager{display:flex;justify-content:center;align-items:center;gap:8px;flex-wrap:wrap;margin:36px 0 4px}
.pager a,.pager span{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--text);font-size:15px;font-weight:600;transition:all .22s ease}
.pager a:hover{background:rgba(15,61,51,.08);color:var(--ink);border-color:var(--ink)}
.pager .current{background:var(--ink);border-color:var(--ink);color:#fff}
.pager .wide{width:auto;padding:0 18px;color:var(--ink)}

/* ---------- 自助工具条 ---------- */
.help-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.help-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1);transition:all .22s ease;position:relative;overflow:hidden}
.help-item::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.help-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.help-item:hover::before{transform:scaleX(1)}
.help-icon{width:44px;height:44px;border-radius:var(--r-ctrl);background:rgba(200,240,60,.35);color:var(--ink);display:grid;place-items:center;font-size:18px;margin-bottom:14px}
.help-item h3{font-size:19px;margin-bottom:8px}
.help-item p{font-size:15px;color:var(--muted);line-height:1.85;margin:0}
@media (max-width:991px){.help-strip{grid-template-columns:1fr 1fr}}
@media (max-width:575px){.help-strip{grid-template-columns:1fr}}

/* ---------- CTA ---------- */
.cta-panel{position:relative;overflow:hidden;background:var(--ink);color:#F1F3EE;border-radius:var(--r-card);padding:44px;display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}
.cta-panel::before{content:"";position:absolute;right:-60px;bottom:-70px;width:280px;height:280px;border:2px dashed rgba(200,240,60,.4);border-radius:50%}
.cta-panel>*{position:relative;z-index:2}
.cta-panel h2{color:#fff;margin-bottom:14px}
.cta-panel .cta-points{margin:18px 0 0}
.cta-panel .cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:#CBD5CF;line-height:1.8;margin-bottom:10px}
.cta-panel .cta-points i{color:var(--lime);margin-top:6px}
.cta-form{background:#fff;border-radius:var(--r-card);padding:26px;color:var(--text);box-shadow:var(--sh-2)}
.cta-form h3{font-size:19px;margin-bottom:6px}
.cta-form .form-hint{font-size:13px;color:var(--muted);margin-bottom:16px}
.field{margin-bottom:14px}
.field label{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:6px}
.field input{width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-ctrl);background:var(--bg);padding:0 14px;font-family:inherit;font-size:15px;color:var(--text);transition:all .22s ease}
.field input:focus{outline:none;border-color:var(--ink);background:#fff;box-shadow:0 0 0 4px rgba(200,240,60,.45)}
.field input::placeholder{color:#9AA49F}
.field-row{display:grid;grid-template-columns:1fr 120px;gap:10px}
.btn-full{width:100%;height:48px;margin-top:6px}
@media (max-width:991px){
  .cta-panel{grid-template-columns:1fr;padding:30px}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C6D3CD;margin-top:72px;padding:58px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand .brand-text{display:block;margin-bottom:14px}
.footer-brand .brand-name{display:block;font-size:20px;font-weight:800;color:#fff;line-height:1.4}
.footer-brand .brand-sub{display:block;font-size:12px;letter-spacing:.2em;color:#9FB0A8;line-height:1.6}
.footer-brand p{font-size:15px;line-height:1.85;color:#A9B8B1;margin:0;max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col li+li{margin-top:10px}
.footer-col a{color:#C6D3CD;font-size:15px;line-height:1.7}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(200,240,60,.18);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:#8FA098}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:575px){.footer-grid{grid-template-columns:1fr}.site-footer{padding-top:44px}}

/* ---------- 回到顶部 ---------- */
.to-top{position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:50%;background:var(--ink);color:#fff;border:0;display:grid;place-items:center;font-size:16px;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .22s ease;z-index:1040;box-shadow:var(--sh-2)}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--ink-dark);color:var(--lime)}