/* roulang page: index */
:root{
  --brand-900:#062E29;
  --brand-700:#0C4A3F;
  --brand-500:#12876F;
  --brand-50:#E8F3EE;
  --accent-500:#FF6B2C;
  --accent-100:#FFE9DD;
  --lime-400:#D8F24B;
  --ink-900:#101418;
  --ink-600:#4A5560;
  --ink-400:#8A939B;
  --paper-000:#F6F7F3;
  --paper-100:#FFFFFF;
  --line:#E3E7E1;
  --shadow-sm:0 1px 2px rgba(16,20,24,.06);
  --shadow-md:0 12px 28px -18px rgba(6,46,41,.35);
  --r-card:14px;
  --r-media:12px;
  --r-btn:10px;
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"DIN Alternate","Barlow Condensed",ui-monospace,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--paper-000);
  -webkit-font-smoothing:antialiased;
}
body.has-sticky{padding-bottom:88px}
h1,h2,h3,h4,h5{margin:0;color:var(--ink-900);line-height:1.25;font-weight:800}
p{margin:0}
a{color:var(--brand-500);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--brand-700)}
img{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(18,135,111,.35);outline-offset:2px;border-radius:6px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1400px){.container-x{max-width:1280px}}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--paper{background:var(--paper-100);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-size:30px;position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;background:var(--brand-500);border-radius:3px}
.section-head .sub{font-size:14px;color:var(--ink-400);margin-top:8px;padding-left:16px}
.link-arrow{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:4px}
.link-arrow::after{content:"→";transition:transform .18s ease-out}
.link-arrow:hover::after{transform:translateX(6px)}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent-500);color:#fff;border:0;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;padding:13px 26px;cursor:pointer;
  transition:background .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn-cta:hover{background:#ef5a19;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px -14px rgba(255,107,44,.9)}
.btn-cta:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--brand-700);border:1.5px solid var(--brand-700);
  border-radius:var(--r-btn);font-size:15px;font-weight:700;padding:11px 24px;cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-700);transform:translateY(-1px)}
.btn-ghost--light{color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost--light:hover{background:rgba(255,255,255,.12);color:#fff}
.btn[disabled],.btn-cta[disabled]{opacity:.45;pointer-events:none}
.badge-pill{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1}
.badge-solid{background:var(--brand-500);color:#fff}
.badge-lime{background:var(--lime-400);color:var(--brand-900)}
.badge-outline{background:transparent;color:var(--ink-600);border:1px solid var(--line)}

/* ============ 顶部状态条 ============ */
.topbar{background:var(--brand-900);color:rgba(255,255,255,.8);height:36px;display:flex;align-items:center;font-size:12px}
.topbar .container-x{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-status{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-status i{width:7px;height:7px;border-radius:50%;background:var(--lime-400);display:inline-block;box-shadow:0 0 0 3px rgba(216,242,75,.18)}
.topbar-right{display:flex;align-items:center;gap:16px}
.countdown{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-num);font-variant-numeric:tabular-nums}
.countdown b{display:inline-block;min-width:26px;text-align:center;background:rgba(255,255,255,.1);border-radius:6px;padding:1px 4px;color:#fff;font-weight:700}
.countdown .colon{color:var(--accent-500);animation:pulse 1.2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
.topbar a{color:rgba(255,255,255,.8);font-size:12px}
.topbar a:hover{color:#fff}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(6px);
  border-bottom:1px solid var(--line);transition:height .2s ease-out,box-shadow .2s ease-out;
}
.site-header .container-x{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.site-header.is-scrolled{box-shadow:var(--shadow-md)}
.site-header.is-scrolled .container-x{height:58px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900);font-weight:800;font-size:18px;letter-spacing:.01em;white-space:nowrap}
.brand:hover{color:var(--ink-900)}
.brand-mark{
  width:32px;height:32px;border-radius:50%;flex:0 0 32px;position:relative;
  background:linear-gradient(135deg,var(--brand-700),var(--brand-900));
}
.brand-mark::before{content:"";position:absolute;left:6px;right:6px;top:50%;height:2px;background:var(--lime-400);transform:rotate(-32deg);border-radius:2px}
.brand-mark::after{content:"";position:absolute;width:7px;height:7px;border-radius:50%;background:var(--accent-500);right:5px;bottom:6px}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-600);padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:0;width:0;height:2px;background:var(--accent-500);
  transform:translateX(-50%);transition:width .18s ease-out;border-radius:2px;
}
.nav-links a:hover{color:var(--brand-500)}
.nav-links a:hover::after{width:60%}
.nav-links a.active{color:var(--ink-900);font-weight:700}
.nav-links a.active::after{width:60%}
.nav-actions{display:flex;align-items:center;gap:14px}
.icon-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-600);cursor:pointer;
  transition:border-color .18s ease-out,color .18s ease-out;
}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-500)}
.nav-toggle{display:none}
.offcanvas{background:var(--paper-100)}
.offcanvas-header{border-bottom:1px solid var(--line)}
.offcanvas-body .m-nav a{display:block;padding:14px 0;font-size:16px;color:var(--ink-900);border-bottom:1px solid var(--line);font-weight:600}
.offcanvas-body .m-nav a.active{color:var(--brand-500)}
@media (max-width:991px){
  .nav-links,.nav-actions .status-pill,.nav-actions .btn-cta{display:none}
  .nav-toggle{display:inline-flex}
}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(125deg,var(--brand-900) 0%,var(--brand-700) 100%);
  padding:78px 0 84px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 2px,transparent 2px 14px);
  opacity:.85;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:-10%;right:-10%;bottom:-40px;height:180px;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:64px 44px;transform:perspective(400px) rotateX(58deg);
  opacity:.55;pointer-events:none;
}
.hero .container-x{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:var(--lime-400);letter-spacing:.08em;margin-bottom:18px}
.hero h1{color:#fff;font-size:44px;font-weight:800;letter-spacing:-.01em}
.hero-sub{margin-top:18px;font-size:17px;color:rgba(255,255,255,.82);max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16)}
.metric b{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:22px;color:#fff;font-weight:700;line-height:1.3}
.metric span{display:block;font-size:12px;color:rgba(255,255,255,.66);margin-top:4px}
.hero-visual{position:relative;border-radius:var(--r-media);overflow:hidden;box-shadow:0 24px 60px -34px rgba(0,0,0,.65)}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-visual::after{content:"";position:absolute;inset:0;border:1px solid rgba(255,255,255,.16);border-radius:var(--r-media);pointer-events:none}
.hero-tag{
  position:absolute;left:16px;bottom:16px;background:rgba(6,46,41,.82);
  color:#fff;font-size:12px;font-weight:600;padding:7px 12px;border-radius:999px;backdrop-filter:blur(4px);
}
@media (max-width:991px){
  .hero{padding:56px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-metrics{grid-template-columns:repeat(3,1fr);gap:12px;margin-top:32px}
}

/* ============ 卖点三连 ============ */
.value-grid{display:grid;grid-template-columns:5fr 3.5fr 3.5fr;gap:24px;align-items:start}
.value-main{
  background:var(--brand-50);border-radius:var(--r-card);padding:34px 32px;
}
.value-main .idx{font-family:var(--font-num);font-size:44px;font-weight:700;color:var(--brand-500);line-height:1;opacity:.75}
.value-main h3{font-size:22px;margin:16px 0 12px}
.value-main p{font-size:15px;color:var(--ink-600)}
.value-side{
  background:var(--paper-100);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px 30px;border-top:3px solid var(--brand-500);
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.value-side:nth-child(3){border-top-color:var(--lime-400)}
.value-side:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.value-side .idx{font-family:var(--font-num);font-size:24px;font-weight:700;color:var(--ink-400)}
.value-side h3{font-size:18px;margin:14px 0 10px}
.value-side p{font-size:14px;color:var(--ink-600)}
@media (max-width:991px){
  .value-grid{grid-template-columns:1fr 1fr}
  .value-main{grid-column:span 2}
}
@media (max-width:575px){
  .value-grid{grid-template-columns:1fr}
  .value-main{grid-column:span 1}
}

/* ============ 场景演示 ============ */
.scene{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center}
.scene + .scene{margin-top:72px}
.scene--rev .scene-media{order:2}
.scene-media{border-radius:var(--r-media);overflow:hidden;position:relative}
.scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.scene-media::after{content:"";position:absolute;inset:0;border:1px solid rgba(16,20,24,.08);border-radius:var(--r-media)}
.scene-body h3{font-size:22px;margin:16px 0 14px}
.scene-body p{font-size:15px}
.scene-body p + p{margin-top:8px}
.scene-body .link-arrow{margin-top:20px}
@media (max-width:991px){
  .scene{grid-template-columns:1fr;gap:26px}
  .scene--rev .scene-media{order:0}
  .scene + .scene{margin-top:56px}
}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:24px}
.news-card{
  background:var(--paper-100);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.news-card:hover{transform:translateY(-3px);border-color:var(--brand-500);box-shadow:var(--shadow-md)}
.news-card .media{position:relative;background:linear-gradient(135deg,var(--brand-50),#dcebe4)}
.news-card .media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-card--lead{grid-row:span 2}
.news-card--lead .media img{aspect-ratio:16/10}
.news-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card--lead .news-body{padding:24px 26px 28px;gap:12px}
.news-body h3{font-size:17px;line-height:1.45}
.news-card--lead .news-body h3{font-size:22px}
.news-body h3 a{color:var(--ink-900)}
.news-body h3 a:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:4px}
.news-body .sum{font-size:14px;color:var(--ink-600)}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-400);margin-top:auto;padding-top:8px}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:var(--paper-100);
  padding:56px 24px;text-align:center;color:var(--ink-400);font-size:14px;
}
.empty-state .empty-ico{
  width:44px;height:44px;border:1.5px solid var(--line);border-radius:12px;margin:0 auto 16px;
  position:relative;
}
.empty-state .empty-ico::before{content:"";position:absolute;left:11px;right:11px;top:15px;height:1.5px;background:var(--line)}
.empty-state .empty-ico::after{content:"";position:absolute;left:11px;right:18px;top:25px;height:1.5px;background:var(--line)}
@media (max-width:991px){
  .news-grid{grid-template-columns:1fr 1fr}
  .news-card--lead{grid-row:span 1;grid-column:span 2}
}
@media (max-width:575px){
  .news-grid{grid-template-columns:1fr}
  .news-card--lead{grid-column:span 1}
}

/* ============ 数据横条 ============ */
.stats-band{background:var(--brand-900);color:#fff;position:relative;overflow:hidden}
.stats-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.045) 0 2px,transparent 2px 16px);
}
.stats-band .container-x{position:relative;z-index:2;padding-top:44px;padding-bottom:44px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-item b{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:30px;font-weight:700;color:#fff;line-height:1.2}
.stat-item b em{font-style:normal;font-size:15px;color:var(--lime-400);margin-left:3px}
.stat-item span{display:block;font-size:13px;color:rgba(255,255,255,.66);margin-top:6px}
@media (max-width:767px){.stats-grid{grid-template-columns:1fr 1fr;gap:20px}}

/* ============ 时间线评价 ============ */
.timeline{margin-top:52px;border-top:1px solid var(--line)}
.tl-item{display:grid;grid-template-columns:56px 1fr auto;gap:20px;align-items:start;padding:26px 0;border-bottom:1px solid var(--line)}
.tl-avatar{
  width:56px;height:56px;border-radius:50%;background:var(--brand-50);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;
  font-family:var(--font-num);
}
.tl-body p{font-size:15px;color:var(--ink-900);font-weight:500}
.tl-body span{display:block;font-size:13px;color:var(--ink-400);margin-top:8px}
.tl-src{font-size:12px;color:var(--ink-400);white-space:nowrap;padding-top:6px}
@media (max-width:575px){
  .tl-item{grid-template-columns:44px 1fr;gap:14px}
  .tl-avatar{width:44px;height:44px;font-size:15px}
  .tl-src{grid-column:2;padding-top:0}
}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.accordion-button{
  background:transparent;border:0;box-shadow:none;padding:0;min-height:56px;
  display:flex;align-items:center;gap:14px;font-size:17px;font-weight:700;color:var(--ink-900);
  border-radius:0 !important;
}
.accordion-button:not(.collapsed){color:var(--brand-700);background:transparent;box-shadow:none}
.accordion-button:focus{box-shadow:none;outline:3px solid rgba(18,135,111,.35);outline-offset:2px}
.accordion-button::after{
  content:"";width:0;height:0;border-left:6px solid var(--brand-500);border-top:5px solid transparent;
  border-bottom:5px solid transparent;margin-left:auto;background:none;transform:none;
  transition:transform .2s ease-out;flex:0 0 auto;
}
.accordion-button:not(.collapsed)::after{
  transform:rotate(90deg);
  background-image:none;
}
.faq-no{font-family:var(--font-num);font-size:13px;color:var(--ink-400);width:24px;flex:0 0 24px;padding-top:2px}
.accordion-body{background:var(--paper-000);border-radius:10px;padding:18px 22px;font-size:15px;color:var(--ink-600);margin-bottom:20px}
.accordion-body p + p{margin-top:10px}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand-900);color:#fff;text-align:center;
  padding:80px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 2px,transparent 2px 16px);
}
.cta-band .container-x{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:30px}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin-top:16px}
.cta-band .btn-cta{margin-top:30px}
.cta-band .note{font-size:13px;color:rgba(255,255,255,.5);margin-top:16px}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:700}
.site-footer p{font-size:14px;line-height:1.9}
.site-footer li + li{margin-top:11px}
.site-footer a{color:rgba(255,255,255,.72);font-size:14px}
.site-footer a:hover{color:#fff}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom span,.footer-bottom a{font-size:13px;color:rgba(255,255,255,.55)}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:575px){.footer-grid{grid-template-columns:1fr}}

/* ============ 固定转化条 ============ */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:var(--paper-100);border-top:1px solid var(--line);
  box-shadow:0 -8px 24px -20px rgba(6,46,41,.5);
}
.sticky-cta .container-x{display:flex;align-items:center;justify-content:space-between;gap:16px;height:56px}
.sticky-cta .tip{font-size:14px;color:var(--ink-600);font-weight:600}
.sticky-cta .tip em{font-style:normal;color:var(--brand-500)}
.sticky-cta .actions{display:flex;align-items:center;gap:12px}
.sticky-close{
  width:30px;height:30px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--ink-400);cursor:pointer;line-height:1;font-size:15px;display:inline-flex;
  align-items:center;justify-content:center;
}
.sticky-close:hover{border-color:var(--brand-500);color:var(--brand-500)}
@media (max-width:575px){
  .sticky-cta .container-x{height:64px;padding-left:14px;padding-right:14px}
  .sticky-cta .tip{font-size:13px}
}

/* 滚动条 */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--paper-000)}
::-webkit-scrollbar-thumb{background:#c9d2cc;border-radius:999px;border:2px solid var(--paper-000)}
::-webkit-scrollbar-thumb:hover{background:var(--brand-500)}

/* roulang page: article */
:root{
  --brand-900:#062E29;
  --brand-700:#0C4A3F;
  --brand-500:#12876F;
  --brand-50:#E8F3EE;
  --accent-500:#FF6B2C;
  --accent-100:#FFE9DD;
  --lime-400:#D8F24B;
  --ink-900:#101418;
  --ink-600:#4A5560;
  --ink-400:#8A939B;
  --paper-000:#F6F7F3;
  --paper-100:#FFFFFF;
  --line:#E3E7E1;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(16,20,24,.06);
  --shadow-md:0 12px 28px -18px rgba(6,46,41,.35);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Barlow Condensed",ui-monospace,SFMono-Regular,monospace;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-bottom:96px;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--paper-000);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-500);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--brand-700)}
h1,h2,h3,h4,h5{color:var(--ink-900);font-weight:700;line-height:1.25;margin:0}
h1{font-size:44px;letter-spacing:-.5px}
h2{font-size:30px}
h3{font-size:22px}
p{margin:0 0 1.2em}
ul,ol{margin:0 0 1.2em;padding-left:1.25em}
li{margin-bottom:.5em}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(18,135,111,.35);border-radius:6px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.5px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--paper-000)}
::-webkit-scrollbar-thumb{background:#CBD5CE;border-radius:999px}
::-webkit-scrollbar-thumb:hover{background:#AEBDB4}

.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container-x{max-width:1280px}}

/* ============ 顶部状态条 ============ */
.topbar{background:var(--brand-900);color:rgba(255,255,255,.74);font-size:13px;height:36px;display:flex;align-items:center}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-status{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dot{width:7px;height:7px;border-radius:50%;background:var(--lime-400);display:inline-block;box-shadow:0 0 0 3px rgba(216,242,75,.18)}
.topbar-link{color:var(--lime-400);font-size:13px;white-space:nowrap}
.topbar-link:hover{color:#fff}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out,background .2s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--shadow-md)}
.header-inner{display:flex;align-items:center;gap:28px;height:68px;transition:height .2s ease-out}
.site-header.is-scrolled .header-inner{height:58px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900);font-weight:700;font-size:19px;letter-spacing:-.2px;flex-shrink:0}
.brand:hover{color:var(--brand-500)}
.brand-mark{
  width:26px;height:26px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-700));
  position:relative;flex-shrink:0;
}
.brand-mark::after{
  content:"";position:absolute;left:5px;top:11px;width:16px;height:3px;
  background:var(--lime-400);border-radius:2px;transform:rotate(-38deg);transform-origin:center;
}
.nav-links{display:flex;align-items:center;gap:24px;margin-left:8px}
.nav-links a{
  position:relative;color:var(--ink-600);font-size:15px;font-weight:500;padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;width:60%;
  background:var(--accent-500);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease-out;
}
.nav-links a:hover{color:var(--ink-900)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--ink-900);font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.icon-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:var(--paper-100);
  color:var(--ink-600);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-500);transform:translateY(-1px)}
.status-pill{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--lime-400);color:var(--brand-900);font-size:12px;font-weight:600;white-space:nowrap;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);font-weight:600;font-size:15px;
  padding:0 20px;height:44px;border:1.5px solid transparent;cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out;
}
.btn-cta{background:var(--accent-500);color:#fff;box-shadow:0 8px 18px -12px rgba(255,107,44,.9)}
.btn-cta:hover{background:#F25C1B;color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700)}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-700);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--brand-900)}
.btn-light:hover{background:var(--brand-50);color:var(--brand-900);transform:translateY(-1px)}
.btn-sm{height:38px;font-size:14px;padding:0 16px}
.btn[disabled],.btn.disabled{opacity:.45;pointer-events:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--brand-500)}
.link-arrow span{transition:transform .18s ease-out}
.link-arrow:hover span{transform:translateX(6px)}
.menu-btn{display:none}
.menu-btn span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;margin:4px 0;transition:transform .2s ease-out}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0 0 0 auto;width:min(320px,86vw);background:var(--paper-100);
  z-index:1080;transform:translateX(100%);transition:transform .26s ease-out;
  padding:24px 20px 32px;display:flex;flex-direction:column;gap:6px;box-shadow:-16px 0 40px -24px rgba(6,46,41,.5);
}
.mobile-drawer.open{transform:translateX(0)}
.mobile-drawer a{color:var(--ink-900);font-size:16px;font-weight:500;padding:13px 4px;border-bottom:1px solid var(--line)}
.mobile-drawer a:hover{color:var(--brand-500)}
.mobile-drawer .btn{margin-top:18px;width:100%}
.drawer-mask{position:fixed;inset:0;background:rgba(6,46,41,.42);z-index:1070;opacity:0;visibility:hidden;transition:opacity .26s ease-out}
.drawer-mask.open{opacity:1;visibility:visible}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,var(--brand-900) 0%,var(--brand-700) 100%);
  padding:34px 0 54px;
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.055) 0 2px,transparent 2px 15px);
}
.article-hero .container-x{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:22px}
.crumb a{color:rgba(255,255,255,.62)}
.crumb a:hover{color:var(--lime-400)}
.crumb .sep{opacity:.5}
.crumb .now{color:#fff;max-width:min(520px,70vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{color:#fff;max-width:900px;font-size:40px;margin-bottom:20px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:14px;color:rgba(255,255,255,.74)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.article-meta .meta-cat{color:var(--lime-400);font-weight:600}
.badge-soft{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  color:#fff;font-size:12px;font-weight:500;
}

/* ============ 文章主体 ============ */
.article-section{padding:56px 0 88px}
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 260px;gap:48px;justify-content:center;align-items:start}
.article-main{min-width:0}
.cover-wrap{margin-bottom:32px;border-radius:var(--radius-img);overflow:hidden;border:1px solid rgba(6,46,41,.08);background:var(--paper-100);box-shadow:var(--shadow-sm)}
.cover-wrap img{width:100%;aspect-ratio:16/9;object-fit:cover}
.cover-cap{font-size:13px;color:var(--ink-400);text-align:center;padding:10px 12px;background:var(--paper-100)}
.article-card{
  background:var(--paper-100);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);padding:44px 48px 32px;
}
.article-body{font-size:17px;line-height:1.9;color:var(--ink-600);max-width:760px}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  position:relative;font-size:22px;margin:2em 0 .8em;padding-left:14px;line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;background:var(--brand-500);
}
.article-body h3{font-size:20px;font-weight:700;margin:1.7em 0 .6em}
.article-body h4{font-size:17px;margin:1.5em 0 .5em}
.article-body p{margin:0 0 1.2em}
.article-body a{color:var(--brand-500);border-bottom:1px solid rgba(18,135,111,.35)}
.article-body a:hover{color:var(--brand-700);border-bottom-color:var(--brand-700)}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.3em}
.article-body li{margin-bottom:.55em;line-height:1.9}
.article-body ul li::marker{color:var(--brand-500)}
.article-body ol li::marker{color:var(--brand-500);font-weight:700}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;background:var(--brand-50);
  border-left:3px solid var(--brand-500);border-radius:0 10px 10px 0;color:var(--ink-600);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-img);margin:1.4em auto;box-shadow:var(--shadow-sm)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--ink-400);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;background:var(--paper-100);
}
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-img);margin:1.6em 0}
.table-scroll table{margin:0;min-width:560px}
.article-body th{
  background:var(--brand-900);color:#fff;font-weight:600;text-align:left;
  padding:12px 16px;font-size:14px;white-space:nowrap;
}
.article-body td{padding:12px 16px;border-top:1px solid var(--line);vertical-align:top}
.article-body tbody tr:nth-child(even){background:var(--paper-000)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}
.article-body code{
  background:var(--brand-50);color:var(--brand-700);padding:2px 6px;border-radius:6px;
  font-family:var(--font-num);font-size:14px;
}
.article-body strong{color:var(--ink-900)}

/* 空态 */
.empty-state{
  text-align:center;padding:64px 24px;border:1px dashed var(--line);border-radius:var(--radius-card);
  background:var(--paper-000);
}
.empty-state svg{width:42px;height:42px;color:var(--ink-400);margin-bottom:14px}
.empty-state p{font-size:15px;color:var(--ink-400);margin-bottom:18px}

/* 侧栏目录 */
.article-side{position:sticky;top:96px}
.toc-card{background:var(--paper-100);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-sm)}
.toc-title{font-size:13px;font-weight:700;color:var(--ink-900);letter-spacing:.6px;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.toc-title::before{content:"";width:12px;height:2px;background:var(--accent-500);border-radius:2px}
.toc-list{list-style:none;margin:0;padding:0;border-left:1px solid var(--line)}
.toc-list li{margin:0}
.toc-list a{display:block;font-size:14px;color:var(--ink-600);padding:8px 0 8px 14px;border-left:2px solid transparent;margin-left:-1px;line-height:1.5}
.toc-list a:hover,.toc-list a.active{color:var(--brand-500);border-left-color:var(--brand-500);background:var(--brand-50)}

/* 文末操作区 */
.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:36px;padding-top:24px;border-top:1px solid var(--line);
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  border:1px solid var(--line);background:var(--paper-000);color:var(--ink-600);font-size:12px;
}
.tag.solid{background:var(--brand-500);color:#fff;border-color:var(--brand-500)}
.tag.lime{background:var(--lime-400);color:var(--brand-900);border-color:var(--lime-400)}
.share-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-400)}
.share-row button{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:var(--paper-100);
  color:var(--ink-600);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.share-row button:hover{border-color:var(--brand-500);color:var(--brand-500);transform:translateY(-2px)}

/* ============ 相关推荐 ============ */
.related{padding:0 0 88px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:26px}
.section-head p{margin:6px 0 0;font-size:15px;color:var(--ink-400)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  background:var(--paper-100);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.post-card:hover{transform:translateY(-3px);border-color:var(--brand-500);box-shadow:var(--shadow-md)}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--brand-50)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:18px;line-height:1.5}
.post-body h3 a{color:var(--ink-900)}
.post-body h3 a:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:4px}
.post-body p{margin:0;font-size:14px;color:var(--ink-400);line-height:1.75}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-400)}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand-900);color:#fff;padding:72px 0;text-align:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 2px,transparent 2px 15px);
}
.cta-band .container-x{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.72);max-width:620px;margin:0 auto 28px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.cta-note{margin-top:18px;font-size:13px;color:rgba(255,255,255,.55)}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:14px}
.footer-brand .brand-mark{width:24px;height:24px}
.footer-brand .brand-mark::after{left:4px;top:10px;width:16px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.site-footer p{margin:0;line-height:1.85}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:10px}
.site-footer a{color:rgba(255,255,255,.72)}
.site-footer a:hover{color:var(--lime-400)}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;
}

/* ============ 底部固定条 ============ */
.dock-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:var(--paper-100);border-top:1px solid var(--line);
  box-shadow:0 -10px 24px -18px rgba(6,46,41,.55);
}
.dock-inner{display:flex;align-items:center;gap:16px;height:56px}
.dock-text{font-size:14px;color:var(--ink-600);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dock-inner .btn{margin-left:auto}
.dock-close{
  width:30px;height:30px;border-radius:50%;border:1px solid var(--line);background:transparent;
  color:var(--ink-400);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
  transition:border-color .18s ease-out,color .18s ease-out;
}
.dock-close:hover{border-color:var(--accent-500);color:var(--accent-500)}
.dock-bar.hidden{display:none}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,760px);justify-content:center}
  .article-side{display:none}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  h1{font-size:34px}
  .article-hero h1{font-size:32px}
  .nav-links,.header-actions .status-pill{display:none}
  .menu-btn{
    display:inline-flex;flex-direction:column;align-items:center;justify-content:center;
    width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
    background:var(--paper-100);cursor:pointer;
  }
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  body{font-size:16px;padding-bottom:104px}
  .container-x{padding:0 16px}
  h1{font-size:30px}
  h2{font-size:24px}
  .article-hero{padding:26px 0 40px}
  .article-hero h1{font-size:27px}
  .article-section{padding:36px 0 64px}
  .article-card{padding:26px 20px 20px}
  .article-body h2{font-size:20px}
  .article-body h3{font-size:19px}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:52px 0}
  .cta-band h2{font-size:24px}
  .dock-inner{height:64px;gap:10px}
  .dock-text{font-size:13px}
  .related{padding-bottom:64px}
  .article-body table{font-size:14px}
}
@media (max-width:575px){
  .topbar-status{max-width:72vw}
  .btn{padding:0 16px;font-size:14px}
  .section-head{flex-direction:column;align-items:flex-start;gap:6px}
}

/* roulang page: category1 */
:root{
  --brand-900:#062E29;
  --brand-700:#0C4A3F;
  --brand-500:#12876F;
  --brand-50:#E8F3EE;
  --accent-500:#FF6B2C;
  --accent-100:#FFE9DD;
  --lime-400:#D8F24B;
  --ink-900:#101418;
  --ink-600:#4A5560;
  --ink-400:#8A939B;
  --paper-000:#F6F7F3;
  --paper-100:#FFFFFF;
  --line:#E3E7E1;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-sm:0 1px 2px rgba(16,20,24,.06);
  --shadow-md:0 12px 28px -18px rgba(6,46,41,.35);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"DIN Alternate","Barlow Condensed",ui-monospace,SFMono-Regular,Menlo,monospace;
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--paper-000);
  padding-bottom:80px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-500);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-700)}
h1,h2,h3,h4{color:var(--ink-900);margin:0;line-height:1.25;font-weight:700}
h1{font-size:44px}
h2{font-size:30px}
h3{font-size:22px}
h4{font-size:17px}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(18,135,111,.35);border-radius:8px}
::selection{background:var(--brand-50);color:var(--brand-700)}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1400px){.container-x{max-width:1280px}}

/* ---------- 顶部状态条 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--paper-100);border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.scrolled{box-shadow:var(--shadow-md)}
.topbar{background:var(--brand-900);color:rgba(255,255,255,.76);font-size:13px}
.topbar-inner{height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-status{display:flex;align-items:center;gap:9px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-status .dot{width:7px;height:7px;border-radius:50%;background:var(--lime-400);flex:0 0 auto;box-shadow:0 0 0 3px rgba(216,242,75,.16)}
.topbar-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.topbar-label{color:rgba(255,255,255,.58)}
.topbar-link{color:rgba(255,255,255,.78);font-size:13px}
.topbar-link:hover{color:#fff}
.countdown{display:flex;align-items:center;gap:4px;font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.cd-block{min-width:52px;height:26px;display:inline-flex;align-items:center;justify-content:center;background:#0B3B34;border-radius:8px;color:#fff;font-size:14px;letter-spacing:1px}
.cd-sep{opacity:.35;animation:pulseDot 1.2s ease-in-out infinite}
@keyframes pulseDot{0%,100%{opacity:.2}50%{opacity:.85}}

/* ---------- 导航 ---------- */
.nav-inner{height:var(--nav-h);display:flex;align-items:center;gap:26px;transition:height .2s ease}
.site-header.scrolled .nav-inner{height:58px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink-900);font-weight:700;font-size:19px;flex:0 0 auto}
.brand:hover{color:var(--brand-700)}
.brand-mark{width:26px;height:26px;border-radius:50%;border:2px solid var(--brand-500);position:relative;display:inline-block;flex:0 0 auto}
.brand-mark::after{content:"";position:absolute;left:50%;top:50%;width:15px;height:2px;border-radius:2px;background:var(--accent-500);transform:translate(-50%,-50%) rotate(-35deg)}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-links a{position:relative;color:var(--ink-600);font-size:15px;font-weight:500;padding:6px 0;white-space:nowrap}
.nav-links a:hover{color:var(--brand-500)}
.nav-links a.active{color:var(--ink-900);font-weight:700}
.nav-links a.active::after{content:"";position:absolute;left:0;bottom:-4px;width:60%;height:2px;border-radius:2px;background:var(--accent-500)}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{width:38px;height:38px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;color:var(--ink-600);display:grid;place-items:center;cursor:pointer;transition:.18s ease}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-500)}
.status-pill{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:var(--lime-400);color:#0B2A22;font-size:12px;font-weight:700;white-space:nowrap}
.btn-cta{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:40px;padding:0 18px;border-radius:var(--r-btn);background:var(--accent-500);color:#fff;font-size:15px;font-weight:700;border:none;cursor:pointer;transition:background .18s ease,transform .18s ease}
.btn-cta:hover{background:#F25F1F;color:#fff;transform:translateY(-1px)}
.btn-cta:active{transform:translateY(0)}
.btn-cta[disabled],.btn-cta.is-disabled{opacity:.45;pointer-events:none}
.nav-toggle{display:none;width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;transition:.2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff}
.mobile-drawer.open{display:block}
.mobile-drawer ul{padding:10px 20px 4px}
.mobile-drawer ul li{border-bottom:1px solid var(--line)}
.mobile-drawer ul li:last-child{border-bottom:0}
.mobile-drawer ul a{display:block;padding:14px 2px;font-size:16px;font-weight:500;color:var(--ink-600)}
.mobile-drawer ul a.active{color:var(--brand-500);font-weight:700}
.mobile-drawer .drawer-cta{padding:14px 20px 22px}
.mobile-drawer .drawer-cta .btn-cta{width:100%;height:46px;font-size:16px}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--brand-900) 0%,var(--brand-700) 100%);isolation:isolate}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.32;z-index:-2}
.page-hero::after{content:"";position:absolute;inset:0;z-index:-1;background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.045) 0 2px,transparent 2px 13px)}
.hero-inner{min-height:240px;padding:34px 0 42px;display:flex;flex-direction:column;justify-content:center}
.breadcrumb-x{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb-x a{color:rgba(255,255,255,.78)}
.breadcrumb-x a:hover{color:#fff}
.breadcrumb-x .sep{opacity:.45}
.page-hero h1{color:#fff;font-size:42px;letter-spacing:.4px;max-width:900px}
.hero-lead{color:rgba(255,255,255,.78);font-size:17px;margin:16px 0 0;max-width:680px}
.hero-meta{display:flex;gap:42px;margin-top:28px;flex-wrap:wrap}
.hero-meta .hm-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:22px;font-weight:700;color:var(--lime-400);line-height:1.2}
.hero-meta .hm-label{font-size:12px;color:rgba(255,255,255,.62);letter-spacing:.4px}

/* ---------- 标签 ---------- */
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1;white-space:nowrap}
.tag-brand{background:var(--brand-500);color:#fff}
.tag-lime{background:var(--lime-400);color:#0B2A22}
.tag-line{border:1px solid var(--line);color:var(--ink-400);background:#fff}
.tag-accent{background:var(--accent-100);color:#B03E0B}

/* ---------- 锚点导航 ---------- */
.anchor-bar{position:sticky;top:62px;z-index:1020;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(6px)}
.anchor-inner{display:flex;gap:8px;overflow-x:auto;padding:10px 0;scrollbar-width:thin}
.anchor-inner::-webkit-scrollbar{height:4px}
.anchor-inner::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}
.anchor-inner a{flex:0 0 auto;padding:7px 15px;border-radius:999px;font-size:14px;font-weight:500;color:var(--ink-600);border:1px solid transparent;transition:.18s ease}
.anchor-inner a:hover{background:var(--brand-50);color:var(--brand-700);border-color:var(--brand-50)}

/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-white{background:var(--paper-100);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:740px;margin-bottom:42px}
.section-head h2{position:relative;padding-left:18px}
.section-head h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;background:var(--brand-500)}
.section-head p{margin:14px 0 0;font-size:15px;color:var(--ink-400)}

/* ---------- 概览卡 ---------- */
.overview-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.ov-card{position:relative;background:var(--paper-100);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px 24px;box-shadow:var(--shadow-sm);transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out}
.ov-card::before{content:"";position:absolute;left:-1px;right:-1px;top:-1px;height:3px;border-radius:var(--r-card) var(--r-card) 0 0;background:var(--brand-500)}
.ov-card:nth-child(2)::before{background:var(--lime-400)}
.ov-card:nth-child(3)::before{background:var(--accent-500)}
.ov-card:nth-child(4)::before{background:var(--brand-700)}
.ov-card:hover{transform:translateY(-3px);border-color:var(--brand-500);box-shadow:var(--shadow-md)}
.ov-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.ov-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:26px;font-weight:700;color:var(--brand-500);line-height:1}
.ov-card h3{font-size:19px;margin:16px 0 10px}
.ov-card p{font-size:15px;margin:0;color:var(--ink-600)}

/* ---------- 分栏 ---------- */
.split{display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:start}
.check-list li{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.check-list li:first-child{padding-top:0}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-idx{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:15px;font-weight:700;color:var(--brand-500);min-width:28px;padding-top:3px}
.check-list strong{display:block;font-size:17px;color:var(--ink-900);margin-bottom:4px}
.check-list p{margin:0;font-size:15px}
.img-frame{margin:0;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);background:var(--paper-000);box-shadow:var(--shadow-sm)}
.img-frame img{width:100%;aspect-ratio:16/10;object-fit:cover}
.figure-note{font-size:13px;color:var(--ink-400);text-align:center;margin-top:10px}

/* ---------- 图文行 ---------- */
.feature-row{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center}
.feature-row + .feature-row{margin-top:76px}
.feature-row-reverse{grid-template-columns:7fr 5fr}
.feature-row-reverse .feature-media{order:2}
.feature-body h3{margin:14px 0 12px}
.feature-body p{font-size:16px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-500);margin-top:6px}
.text-link::after{content:"\2192";transition:transform .18s ease}
.text-link:hover::after{transform:translateX(6px)}

/* ---------- 提示条 ---------- */
.notice-bar{display:flex;gap:14px;align-items:flex-start;background:var(--accent-100);border-radius:var(--r-card);padding:18px 22px;margin-top:36px}
.notice-bar .nb-icon{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--accent-500);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;margin-top:3px}
.notice-bar p{margin:0;font-size:15px;color:#7A3410}

/* ---------- FAQ ---------- */
.faq-x .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.faq-x .accordion-item:first-child{border-top:1px solid var(--line)}
.faq-x .accordion-button{position:relative;display:flex;align-items:center;gap:14px;width:100%;min-height:56px;padding:16px 48px 16px 0;background:transparent;border:0;border-radius:0;box-shadow:none;font-size:17px;font-weight:600;color:var(--ink-900);text-align:left;transition:color .18s ease}
.faq-x .accordion-button:not(.collapsed){color:var(--brand-700)}
.faq-x .accordion-button:focus{box-shadow:none;outline:none}
.faq-x .accordion-button:focus-visible{box-shadow:0 0 0 3px rgba(18,135,111,.35)}
.faq-x .accordion-button::after{display:none}
.faq-x .accordion-button::before{content:"";position:absolute;right:20px;top:50%;width:9px;height:9px;border-right:2px solid var(--ink-400);border-bottom:2px solid var(--ink-400);transform:translateY(-70%) rotate(45deg);transition:transform .2s ease,border-color .2s ease}
.faq-x .accordion-button:not(.collapsed)::before{transform:translateY(-30%) rotate(-135deg);border-color:var(--brand-500)}
.faq-idx{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:13px;font-weight:700;color:var(--brand-500);flex:0 0 auto}
.faq-x .accordion-body{background:var(--paper-000);border-radius:var(--r-btn);padding:16px 20px;font-size:15.5px;color:var(--ink-600);margin-bottom:18px}
.faq-x .accordion-body p{margin:0 0 .8em}
.faq-x .accordion-body p:last-child{margin-bottom:0}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(120deg,var(--brand-900) 0%,var(--brand-700) 100%);padding:76px 0;text-align:center;color:#fff}
.cta-band::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.055) 0 2px,transparent 2px 14px)}
.cta-inner{position:relative;z-index:1;max-width:720px;margin:0 auto}
.cta-band h2{color:#fff;font-size:30px}
.cta-band p{color:rgba(255,255,255,.72);font-size:16px;margin:16px auto 30px;max-width:560px}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 24px;border-radius:var(--r-btn);border:1.5px solid rgba(255,255,255,.5);background:transparent;color:#fff;font-size:15px;font-weight:600;transition:.18s ease}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.1);color:#fff}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);font-size:14px;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:44px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:16px}
.footer-brand .brand-mark{border-color:rgba(255,255,255,.62)}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px}
.site-footer ul li{margin-bottom:11px}
.site-footer a{color:rgba(255,255,255,.72)}
.site-footer a:hover{color:#fff}
.site-footer p{font-size:14px;line-height:1.8;margin:0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- 底部固定条 ---------- */
.bottom-bar{position:fixed;left:0;right:0;bottom:0;z-index:1040;background:var(--paper-100);border-top:1px solid var(--line);box-shadow:0 -8px 22px -16px rgba(6,46,41,.45);transition:transform .25s ease}
.bottom-bar.hidden{transform:translateY(110%)}
.bottom-bar-inner{height:56px;display:flex;align-items:center;gap:16px}
.bb-text{font-size:15px;color:var(--ink-600);margin-right:auto;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bb-close{width:30px;height:30px;flex:0 0 auto;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--ink-400);cursor:pointer;line-height:1;display:grid;place-items:center;transition:.18s ease}
.bb-close:hover{border-color:var(--brand-500);color:var(--brand-500)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .overview-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:36px}
  .feature-row,.feature-row-reverse{grid-template-columns:1fr;gap:30px}
  .feature-row-reverse .feature-media{order:0}
  .feature-row + .feature-row{margin-top:56px}
  .nav-links{gap:20px}
  .nav-links a{font-size:14px}
}
@media (max-width:991px){
  h1{font-size:34px}
  h2{font-size:26px}
  .section{padding:64px 0}
  .section-tight{padding:48px 0}
  .nav-links,.status-pill,.icon-btn{display:none}
  .nav-toggle{display:flex}
  .topbar-status{display:none}
  .nav-inner{gap:14px}
  .page-hero h1{font-size:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .anchor-bar{top:58px}
}
@media (max-width:767px){
  body{font-size:16px;padding-bottom:88px}
  h1{font-size:29px}
  h2{font-size:24px}
  h3{font-size:19px}
  .hero-inner{padding:26px 0 32px;min-height:200px}
  .page-hero h1{font-size:27px}
  .hero-meta{gap:26px;margin-top:20px}
  .cd-block{min-width:44px;font-size:13px}
  .topbar-label{display:none}
  .overview-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .ov-card{padding:20px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .bottom-bar-inner{height:64px;gap:10px}
  .bb-text{font-size:14px}
  .cta-band{padding:56px 0}
  .cta-band h2{font-size:24px}
}
@media (max-width:575px){
  .overview-grid{grid-template-columns:1fr}
  .brand{font-size:16px}
  .brand-mark{width:22px;height:22px}
  .footer-bottom{flex-direction:column;gap:6px}
  .btn-ghost,.cta-actions .btn-cta{width:100%}
}

/* roulang page: category2 */
:root{
  --brand-900:#062E29;
  --brand-700:#0C4A3F;
  --brand-500:#12876F;
  --brand-50:#E8F3EE;
  --accent-500:#FF6B2C;
  --accent-100:#FFE9DD;
  --lime-400:#D8F24B;
  --ink-900:#101418;
  --ink-600:#4A5560;
  --ink-400:#8A939B;
  --paper-000:#F6F7F3;
  --paper-100:#FFFFFF;
  --line:#E3E7E1;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(16,20,24,.06);
  --shadow-md:0 12px 28px -18px rgba(6,46,41,.35);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:"DIN Alternate","Barlow Condensed",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--paper-000);
  padding-bottom:78px;
  -webkit-font-smoothing:antialiased;
}
body.no-sticky{padding-bottom:0}
img{max-width:100%;display:block}
a{color:var(--brand-500);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-700)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.25}
h1{font-size:44px;letter-spacing:-.01em}
h2{font-size:30px}
h3{font-size:22px}
h4{font-size:17px}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(18,135,111,.35);outline-offset:2px;border-radius:6px}
::selection{background:var(--brand-50);color:var(--brand-900)}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media(min-width:1400px){.container-x{max-width:1280px}}

/* ============ TOPBAR ============ */
.topbar{background:var(--brand-900);color:rgba(255,255,255,.82);font-size:13px;height:36px;display:flex;align-items:center}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0;white-space:nowrap;overflow:hidden}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--lime-400);box-shadow:0 0 0 4px rgba(216,242,75,.16);flex:none}
.topbar-sep{width:1px;height:14px;background:rgba(255,255,255,.22)}
.topbar-tag{color:rgba(255,255,255,.58)}
.topbar-right{display:flex;align-items:center;gap:14px;flex:none}
.topbar-label{color:rgba(255,255,255,.62)}
.countdown{display:flex;align-items:center;gap:4px}
.cd-block{
  min-width:44px;height:24px;padding:0 8px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);
  border-radius:10px;
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  color:#fff;font-size:13px;font-weight:600;
}
.cd-colon{color:rgba(255,255,255,.55);animation:blink 1.2s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.2}}
.topbar-link{color:rgba(255,255,255,.85);font-size:13px;border-bottom:1px solid rgba(255,255,255,.35);padding-bottom:1px}
.topbar-link:hover{color:#fff;border-bottom-color:#fff}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--paper-100);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:var(--shadow-md)}
.header-inner{display:flex;align-items:center;gap:20px;height:68px;transition:height .2s ease}
.site-header.scrolled .header-inner{height:58px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:26px;height:26px;border-radius:50%;flex:none;position:relative;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-900));
}
.brand-mark::after{
  content:"";position:absolute;left:5px;top:11px;width:16px;height:3px;
  border-radius:2px;background:var(--lime-400);transform:rotate(-32deg);
}
.brand-text{font-size:18px;font-weight:700;color:var(--ink-900);letter-spacing:-.01em;white-space:nowrap}
.brand:hover .brand-text{color:var(--brand-700)}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:12px}
.nav-links a{
  position:relative;
  padding:8px 12px;
  font-size:15px;font-weight:500;color:var(--ink-600);
  border-radius:8px;
  transition:color .18s ease,background-color .18s ease;
}
.nav-links a:hover{color:var(--brand-900);background:var(--brand-50)}
.nav-links a.active{color:var(--brand-900);font-weight:700}
.nav-links a.active::after{
  content:"";position:absolute;left:20%;right:20%;bottom:0;height:2px;
  background:var(--accent-500);border-radius:2px;
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;flex:none}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:var(--paper-100);color:var(--ink-600);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-500);background:var(--brand-50)}
.status-chip{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--lime-400);color:var(--brand-900);font-size:12px;font-weight:700;white-space:nowrap;
}
.menu-toggle{display:none}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--paper-100);padding:10px 0 20px}
.mobile-panel.open{display:block}
.mobile-panel a{display:block;padding:12px 2px;border-bottom:1px solid var(--line);color:var(--ink-900);font-weight:500}
.mobile-panel a.active{color:var(--brand-500);font-weight:700}
.mobile-panel .btn-x{margin-top:18px;width:100%}

/* ============ BUTTONS ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:16px;font-weight:600;border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease,opacity .18s ease;
}
.btn-x-primary{background:var(--accent-500);color:#fff}
.btn-x-primary:hover{background:#F25C1B;color:#fff;transform:translateY(-1px)}
.btn-x-ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700)}
.btn-x-ghost:hover{background:var(--brand-50);color:var(--brand-900)}
.btn-x-sm{height:40px;padding:0 18px;font-size:14px}
.btn-x[disabled],.btn-x.disabled{opacity:.45;pointer-events:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand-500)}
.text-link::after{content:"→";transition:transform .18s ease}
.text-link:hover{color:var(--brand-700)}
.text-link:hover::after{transform:translateX(4px)}

/* ============ BREADCRUMB + HERO ============ */
.crumb-bar{background:var(--paper-100);border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;padding:14px 0;font-size:14px;color:var(--ink-400);flex-wrap:wrap}
.crumb a{color:var(--ink-400)}
.crumb a:hover{color:var(--brand-500)}
.crumb .sep{color:#C6CCC7}
.crumb .now{color:var(--ink-900);font-weight:600}

.page-hero{position:relative;background:var(--brand-900);overflow:hidden;min-height:236px;display:flex;align-items:flex-end}
.page-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.5}
.page-hero-mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(6,46,41,.95) 12%,rgba(12,74,63,.74) 62%,rgba(6,46,41,.86) 100%)}
.page-hero-stripe{
  position:absolute;inset:0;opacity:.5;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.07) 0 2px,transparent 2px 13px);
}
.page-hero-inner{position:relative;z-index:2;padding:44px 24px 40px;width:100%}
.hero-kicker{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  background:rgba(216,242,75,.16);color:var(--lime-400);border:1px solid rgba(216,242,75,.34);
  font-size:12px;font-weight:700;letter-spacing:.06em;margin-bottom:16px;
}
.page-hero h1{color:#fff;max-width:900px}
.hero-sub{color:rgba(255,255,255,.76);font-size:16px;margin:14px 0 0;max-width:660px}

/* ============ ANCHOR BAR ============ */
.anchor-bar{
  position:sticky;top:68px;z-index:1020;
  background:var(--paper-100);border-bottom:1px solid var(--line);
  transition:top .2s ease;
}
.site-header.scrolled ~ .anchor-bar{top:58px}
.anchor-inner{display:flex;align-items:center;gap:18px;height:56px}
.anchor-label{
  font-size:12px;font-weight:700;color:var(--ink-400);
  letter-spacing:.12em;white-space:nowrap;font-family:var(--mono);
}
.anchor-links{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;padding:6px 0}
.anchor-links::-webkit-scrollbar{display:none}
.anchor-links a{
  white-space:nowrap;padding:7px 14px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--ink-600);
  border:1px solid var(--line);background:var(--paper-000);
  transition:all .18s ease;
}
.anchor-links a:hover{border-color:var(--brand-500);color:var(--brand-500);background:var(--brand-50)}

/* ============ SECTIONS ============ */
.section{padding:88px 0;border-top:1px solid var(--line)}
.section.no-line{border-top:0}
.section.tint{background:var(--brand-50)}
.section.dark{background:var(--brand-900);color:rgba(255,255,255,.78);border-top:0;position:relative;overflow:hidden}
.section.dark::before{
  content:"";position:absolute;inset:0;opacity:.55;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.06) 0 2px,transparent 2px 14px);
}
.section.dark > .container-x{position:relative;z-index:2}
.section.dark h2,.section.dark h3,.section.dark h4{color:#fff}
.section.dark .section-head p{color:rgba(255,255,255,.72)}
.section-head{max-width:740px;margin-bottom:44px}
.section-head h2{margin-bottom:12px}
.section-head p{margin:0;font-size:17px;color:var(--ink-600)}
.eyebrow{
  display:inline-block;margin-bottom:12px;
  font-family:var(--mono);font-size:12px;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;color:var(--brand-500);
}
.section.dark .eyebrow{color:var(--lime-400)}
[id]{scroll-margin-top:142px}

/* ============ STEP TRACK ============ */
.step-track{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.step-track::before{
  content:"";position:absolute;left:22px;right:22px;top:0;height:2px;
  background:linear-gradient(90deg,var(--brand-500),rgba(18,135,111,.22));
}
.step-item{
  position:relative;margin-top:26px;padding:30px 22px 22px;
  background:var(--paper-100);border:1px solid var(--line);border-radius:var(--radius-card);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.step-item:hover{transform:translateY(-3px);border-color:var(--brand-500);box-shadow:var(--shadow-md)}
.step-dot{
  position:absolute;top:-26px;left:22px;width:44px;height:44px;border-radius:50%;
  background:var(--brand-900);color:var(--lime-400);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:18px;font-weight:700;font-variant-numeric:tabular-nums;
  border:4px solid var(--paper-000);
}
.step-item h3{font-size:19px;margin-bottom:8px}
.step-item p{font-size:15px;margin:0;color:var(--ink-600)}
.step-flag{
  display:inline-block;margin-top:14px;padding:3px 10px;border-radius:999px;
  background:rgba(216,242,75,.38);color:var(--brand-900);font-size:12px;font-weight:700;
}

/* ============ DETAIL CARDS ============ */
.detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.detail-card{
  background:var(--paper-100);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.detail-card:hover{transform:translateY(-3px);border-color:var(--brand-500);box-shadow:var(--shadow-md)}
.detail-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.detail-body{padding:24px 24px 26px}
.detail-top{display:flex;align-items:baseline;gap:14px;margin-bottom:10px}
.detail-no{font-family:var(--mono);font-size:30px;font-weight:700;color:var(--brand-500);font-variant-numeric:tabular-nums;line-height:1}
.detail-body h3{font-size:20px}
.detail-body > p{font-size:15px;margin:0 0 14px}
.check-list li{
  position:relative;padding-left:20px;font-size:15px;color:var(--ink-600);margin-bottom:8px;
}
.check-list li::before{
  content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:2px;
  background:var(--brand-500);transform:rotate(45deg);
}
.detail-foot{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line)}

/* ============ SPEC PANEL ============ */
.spec-panel{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.spec-card{
  background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.13);
  border-radius:var(--radius-card);
  padding:28px 28px 22px;
}
.spec-card h3{font-size:19px;margin-bottom:6px}
.spec-card > p{font-size:14px;color:rgba(255,255,255,.62);margin-bottom:8px}
.spec-list li{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 0;border-bottom:1px dashed rgba(255,255,255,.14);font-size:15px;
}
.spec-list li:last-child{border-bottom:0}
.spec-list b{color:#fff;font-weight:600}
.spec-list span{font-family:var(--mono);font-variant-numeric:tabular-nums;color:rgba(255,255,255,.72);font-size:14px;text-align:right}
.spec-media{border-radius:var(--radius-img);overflow:hidden;border:1px solid rgba(255,255,255,.14)}
.spec-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.spec-media figcaption{font-size:13px;color:rgba(255,255,255,.58);padding:12px 16px;border-top:1px solid rgba(255,255,255,.1)}

/* ============ NOTICE + GAP CARDS ============ */
.notice-bar{
  background:var(--accent-100);
  border-left:4px solid var(--accent-500);
  border-radius:var(--radius-img);
  padding:24px 28px;
  margin-bottom:32px;
}
.notice-bar h3{font-size:19px;margin-bottom:12px}
.notice-bar li{position:relative;padding-left:20px;font-size:15px;color:#7A3A18;margin-bottom:8px}
.notice-bar li:last-child{margin-bottom:0}
.notice-bar li::before{
  content:"";position:absolute;left:2px;top:10px;width:8px;height:8px;border-radius:50%;
  background:var(--accent-500);
}
.gap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.gap-card{
  background:var(--paper-100);border:1px solid var(--line);
  border-top:3px solid var(--lime-400);
  border-radius:var(--radius-card);padding:24px 22px;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.gap-card:hover{transform:translateY(-3px);border-color:var(--brand-500);border-top-color:var(--brand-500);box-shadow:var(--shadow-md)}
.gap-card h3{font-size:17px;margin-bottom:8px}
.gap-card p{font-size:14.5px;margin:0;color:var(--ink-600)}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.faq-acc .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.faq-acc .accordion-item:first-of-type{border-top:1px solid var(--line)}
.faq-acc .accordion-button{
  position:relative;background:transparent;box-shadow:none;
  min-height:56px;padding:16px 48px 16px 14px;
  font-size:17px;font-weight:600;color:var(--ink-900);border-radius:0;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand-700);background:transparent;box-shadow:none}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-acc .accordion-button::after{
  content:"";position:absolute;right:20px;top:50%;
  width:9px;height:9px;margin:0;
  border-right:2px solid var(--brand-500);border-bottom:2px solid var(--brand-500);
  background:none;transform:translateY(-70%) rotate(45deg);
  transition:transform .2s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:translateY(-30%) rotate(-135deg)}
.faq-acc .accordion-button .q-no{
  font-family:var(--mono);font-size:13px;color:var(--brand-500);
  margin-right:12px;font-weight:700;
}
.faq-acc .accordion-body{
  background:var(--paper-000);border-radius:var(--radius-img);
  padding:16px 20px;font-size:16px;color:var(--ink-600);margin:0 0 16px;
}
.faq-acc .accordion-collapse{margin-bottom:4px}

/* ============ CTA BAND ============ */
.cta-band{position:relative;background:var(--brand-900);padding:76px 0;text-align:center;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.6;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.07) 0 2px,transparent 2px 13px);
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;bottom:-60px;height:180px;
  background:radial-gradient(closest-side,rgba(18,135,111,.5),transparent);
}
.cta-band > .container-x{position:relative;z-index:2}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.72);max-width:620px;margin:0 auto 28px;font-size:16px}
.cta-note{margin-top:16px;font-size:14px;color:rgba(255,255,255,.55)}

/* ============ FOOTER ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  color:#fff;font-size:18px;font-weight:700;margin-bottom:14px;
}
.footer-brand .brand-mark{border:0}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em}
.site-footer p{margin:0;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px}
.site-footer ul li{margin-bottom:10px}
.site-footer a{color:rgba(255,255,255,.72);font-size:14.5px}
.site-footer a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:18px 0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ STICKY CONVERT BAR ============ */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  height:56px;background:var(--paper-100);
  border-top:1px solid var(--line);
  box-shadow:0 -10px 26px -20px rgba(6,46,41,.6);
  display:flex;align-items:center;
}
.sticky-cta.hidden{display:none}
.sticky-inner{display:flex;align-items:center;gap:16px;width:100%}
.sticky-text{font-size:15px;font-weight:600;color:var(--ink-900)}
.sticky-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.sticky-close{
  width:34px;height:34px;border-radius:9px;border:1px solid var(--line);background:var(--paper-100);
  color:var(--ink-400);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all .18s ease;
}
.sticky-close:hover{color:var(--brand-900);border-color:var(--brand-500)}

/* ============ RESPONSIVE ============ */
@media(max-width:1199px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:991px){
  .nav-links{display:none}
  .header-actions .status-chip{display:none}
  .menu-toggle{display:inline-flex}
  .header-actions .btn-x-sm{display:none}
  .step-track{grid-template-columns:repeat(2,1fr)}
  .step-track::before{display:none}
  .spec-panel{grid-template-columns:1fr;gap:28px}
  .gap-grid{grid-template-columns:repeat(2,1fr)}
  .section{padding:64px 0}
  .cta-band{padding:64px 0}
}
@media(max-width:767px){
  body{font-size:16px;padding-bottom:84px}
  h1{font-size:30px}
  h2{font-size:24px}
  h3{font-size:19px}
  .topbar-left{display:none}
  .topbar-label{display:none}
  .brand-text{font-size:16px}
  .header-inner{height:60px;gap:12px}
  .page-hero{min-height:200px}
  .page-hero-inner{padding:32px 24px 28px}
  .hero-sub{font-size:15px}
  .anchor-bar{top:60px}
  .site-header.scrolled ~ .anchor-bar{top:60px}
  .anchor-inner{height:52px;gap:12px}
  .detail-grid{grid-template-columns:1fr}
  .section{padding:48px 0}
  .section-head{margin-bottom:32px}
  .step-track{grid-template-columns:1fr}
  .gap-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:48px}
  .sticky-cta{height:64px}
  .sticky-text{font-size:14px}
  .sticky-cta .btn-x{height:42px;padding:0 16px;font-size:15px}
  .sticky-close{display:none}
}
@media(max-width:575px){
  .container-x{padding:0 16px}
  .topbar-right{gap:10px}
  .cd-block{min-width:38px;padding:0 6px}
  .spec-card{padding:22px 20px 18px}
  .notice-bar{padding:20px}
  .cta-band h2{font-size:24px}
}

/* roulang page: category4 */
:root{
  --brand-900:#062E29;
  --brand-700:#0C4A3F;
  --brand-500:#12876F;
  --brand-50:#E8F3EE;
  --accent-500:#FF6B2C;
  --accent-100:#FFE9DD;
  --lime-400:#D8F24B;
  --ink-900:#101418;
  --ink-600:#4A5560;
  --ink-400:#8A939B;
  --paper-000:#F6F7F3;
  --paper-100:#FFFFFF;
  --line:#E3E7E1;
  --shadow-sm:0 1px 2px rgba(16,20,24,.06);
  --shadow-md:0 12px 28px -18px rgba(6,46,41,.35);
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --mono:"DIN Alternate","Barlow Condensed",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--paper-000);
  padding-bottom:76px;
}
h1,h2,h3,h4{color:var(--ink-900);line-height:1.25;margin:0 0 .7em;font-weight:700;letter-spacing:-.01em;}
h1{font-size:44px;}
h2{font-size:30px;}
h3{font-size:22px;}
p{margin:0 0 1em;}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-500);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid rgba(18,135,111,.35);outline-offset:2px;}
::selection{background:var(--brand-50);color:var(--brand-900);}
.container-x{max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container-x{max-width:1280px;}}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--paper-100);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-md);}
.header-inner{display:flex;align-items:center;gap:26px;height:68px;transition:height .2s ease;}
.site-header.is-scrolled .header-inner{height:58px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  position:relative;width:28px;height:28px;flex:0 0 28px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-700));
}
.brand-mark::after{
  content:"";position:absolute;left:6px;top:12px;width:16px;height:3px;
  background:#fff;border-radius:2px;transform:rotate(-42deg);
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink-900);letter-spacing:.2px;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-600);padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--accent-500);transition:width .2s ease;
}
.nav-links a:hover{color:var(--ink-900);}
.nav-links a.active{color:var(--ink-900);font-weight:700;}
.nav-links a.active::after{width:60%;}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
  background:var(--paper-100);color:var(--ink-600);display:inline-flex;
  align-items:center;justify-content:center;cursor:pointer;transition:.18s ease;
}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-500);background:var(--brand-50);}
.icon-btn svg{width:17px;height:17px;}
.status-pill{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:999px;background:var(--lime-400);color:var(--brand-900);
  font-size:12px;font-weight:700;white-space:nowrap;
}
.status-pill::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-700);
}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  background:var(--accent-500);color:#fff;font-weight:700;font-size:15px;
  padding:11px 20px;border-radius:var(--r-btn);border:0;cursor:pointer;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-cta:hover{background:#EF5A18;color:#fff;transform:translateY(-1px);box-shadow:0 10px 20px -14px rgba(255,107,44,.9);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  background:transparent;border:1.5px solid var(--brand-700);color:var(--brand-700);
  font-weight:700;font-size:15px;padding:9px 20px;border-radius:var(--r-btn);
  cursor:pointer;transition:.18s ease;
}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-700);}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.6);color:#fff;}
.btn-ghost.on-dark:hover{background:rgba(255,255,255,.12);color:#fff;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--paper-100);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mob-nav{width:320px;}
.mob-nav .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px;}
.mob-nav .offcanvas-body{padding:18px 22px 28px;}
.m-nav-list{display:flex;flex-direction:column;}
.m-nav-list a{
  padding:13px 0;font-size:15px;font-weight:500;color:var(--ink-600);
  border-bottom:1px solid var(--line);
}
.m-nav-list a.active{color:var(--brand-500);font-weight:700;}
.mob-nav .btn-cta{margin-top:20px;}

/* ===== hero ===== */
.crumb-bar{padding:18px 0 6px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-400);}
.crumb a{color:var(--ink-400);}
.crumb a:hover{color:var(--brand-500);}
.crumb .sep{color:var(--line);}
.page-hero{
  position:relative;border-radius:var(--r-img);overflow:hidden;min-height:232px;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  display:flex;align-items:flex-end;margin-top:12px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,46,41,.93) 0%,rgba(6,46,41,.74) 48%,rgba(12,74,63,.52) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;opacity:.08;
  background:repeating-linear-gradient(45deg,#fff 0 2px,transparent 2px 14px);
}
.page-hero-inner{position:relative;z-index:2;padding:30px 34px 28px;color:#fff;max-width:840px;}
.page-hero .kicker{
  display:inline-flex;align-items:center;gap:8px;height:24px;padding:0 12px;border-radius:999px;
  background:rgba(216,242,75,.18);border:1px solid rgba(216,242,75,.5);
  color:var(--lime-400);font-size:12px;font-weight:700;margin-bottom:14px;
}
.page-hero h1{color:#fff;font-size:40px;margin-bottom:12px;}
.page-hero p{color:rgba(255,255,255,.82);font-size:16px;margin:0;max-width:660px;}

/* ===== anchor bar ===== */
.anchor-bar{
  position:sticky;top:68px;z-index:1020;background:var(--paper-100);
  border-bottom:1px solid var(--line);margin-top:22px;
}
.anchor-inner{display:flex;gap:8px;overflow-x:auto;padding:10px 0;scrollbar-width:thin;}
.anchor-inner::-webkit-scrollbar{height:4px;}
.anchor-inner::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px;}
.anchor-inner a{
  flex:0 0 auto;font-size:14px;font-weight:500;color:var(--ink-600);
  padding:7px 15px;border-radius:999px;border:1px solid var(--line);
  background:var(--paper-000);transition:.18s ease;white-space:nowrap;
}
.anchor-inner a:hover,.anchor-inner a.active{
  background:var(--brand-50);border-color:var(--brand-500);color:var(--brand-700);
}

/* ===== sections ===== */
.section{padding:88px 0;}
.section-plain{background:var(--paper-000);}
.section-paper{background:var(--paper-100);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-dark{background:var(--brand-900);color:rgba(255,255,255,.78);position:relative;overflow:hidden;}
.section-dark::before{
  content:"";position:absolute;inset:0;opacity:.07;
  background:repeating-linear-gradient(45deg,#fff 0 2px,transparent 2px 16px);
}
.section-dark > .container-x{position:relative;z-index:2;}
.section-dark h2,.section-dark h3{color:#fff;}
.section-head{max-width:720px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.16em;color:var(--brand-500);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--accent-500);}
.section-head h2{margin-bottom:14px;}
.section-head p{margin:0;color:var(--ink-600);}
.section-dark .section-head p{color:rgba(255,255,255,.72);}
.tag{
  display:inline-flex;align-items:center;height:23px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:700;white-space:nowrap;
}
.tag-solid{background:var(--brand-500);color:#fff;}
.tag-lime{background:var(--lime-400);color:var(--brand-900);}
.tag-line{background:transparent;border:1px solid var(--line);color:var(--ink-600);}

/* ===== faq ===== */
.faq-group{margin-bottom:48px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group-head{display:flex;align-items:center;gap:14px;margin-bottom:10px;}
.faq-group-head .gno{
  font-family:var(--mono);font-size:14px;font-weight:700;color:var(--brand-500);
  border:1px solid var(--brand-50);background:var(--brand-50);
  width:34px;height:34px;border-radius:10px;display:inline-flex;
  align-items:center;justify-content:center;flex:0 0 34px;
}
.faq-group-head h3{margin:0;font-size:21px;}
.faq-wrap{border-top:1px solid var(--line);}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);}
.accordion-button{
  display:flex;align-items:center;gap:14px;width:100%;
  background:transparent;border:0;box-shadow:none;
  padding:18px 4px;font-size:17px;font-weight:600;color:var(--ink-900);
  text-align:left;border-radius:0;transition:background .18s ease,color .18s ease;
}
.accordion-button:not(.collapsed){background:var(--paper-000);color:var(--brand-700);}
.accordion-button:hover{color:var(--brand-500);}
.accordion-button:focus{box-shadow:none;border-color:var(--line);}
.accordion-button .qno{
  font-family:var(--mono);font-size:12px;font-weight:700;color:var(--ink-400);
  flex:0 0 auto;min-width:24px;font-variant-numeric:tabular-nums;
}
.accordion-button:not(.collapsed) .qno{color:var(--accent-500);}
.accordion-button::after{
  content:"";background-image:none;width:0;height:0;margin-left:auto;flex:0 0 auto;
  border-left:7px solid var(--brand-500);
  border-top:5px solid transparent;border-bottom:5px solid transparent;
  transform:rotate(0deg);transition:transform .2s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(90deg);}
.accordion-body{padding:4px 4px 22px 38px;font-size:16px;color:var(--ink-600);background:var(--paper-000);}
.accordion-body p{margin:0;}

/* ===== dictionary ===== */
.dict-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 44px;}
.dict-item{
  display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);
}
.dict-item dt{
  flex:0 0 126px;font-weight:700;color:var(--ink-900);font-size:15px;
}
.dict-item dd{margin:0;font-size:15px;color:var(--ink-600);}

/* ===== entry cards ===== */
.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.entry-card{
  background:var(--paper-100);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.entry-card:hover{transform:translateY(-3px);border-color:var(--brand-500);box-shadow:var(--shadow-md);}
.entry-media{aspect-ratio:16/10;overflow:hidden;background:var(--brand-50);}
.entry-media img{width:100%;height:100%;object-fit:cover;}
.entry-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.entry-body h3{font-size:18px;margin-bottom:8px;}
.entry-body p{font-size:15px;margin-bottom:16px;color:var(--ink-600);}
.entry-link{
  margin-top:auto;font-size:14px;font-weight:700;color:var(--brand-500);
  display:inline-flex;align-items:center;gap:6px;
}
.entry-card:hover .entry-link::after{transform:translateX(4px);}
.entry-link::after{content:"→";transition:transform .18s ease;}

/* ===== submit card ===== */
.submit-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start;}
.check-list li{
  position:relative;padding-left:26px;margin-bottom:14px;font-size:16px;color:var(--ink-600);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:11px;width:12px;height:2px;background:var(--accent-500);
}
.form-card{
  max-width:420px;background:var(--paper-100);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow-sm);padding:28px 26px 26px;
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .hint{font-size:14px;color:var(--ink-400);margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:12px;color:var(--ink-600);font-weight:700;margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);
  border-radius:var(--r-btn);background:var(--paper-100);color:var(--ink-900);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-400);font-size:14px;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(18,135,111,.16);
}
.form-card .btn-cta{width:100%;}
.form-note{margin-top:14px;font-size:13px;color:var(--ink-400);}

/* ===== cta band ===== */
.cta-band{
  background:var(--brand-900);position:relative;overflow:hidden;
  padding:76px 0;text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.08;
  background:repeating-linear-gradient(45deg,#fff 0 2px,transparent 2px 15px);
}
.cta-band > .container-x{position:relative;z-index:2;}
.cta-band h2{color:#fff;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.72);max-width:620px;margin:0 auto 26px;}
.cta-band .btn-cta{padding:14px 30px;font-size:16px;}
.cta-note{display:block;margin-top:16px;font-size:13px;color:rgba(255,255,255,.55);}

/* ===== footer ===== */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:64px 0 0;position:relative;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800;margin-bottom:16px;}
.site-footer p{font-size:14px;line-height:1.8;margin:0;max-width:340px;color:rgba(255,255,255,.66);}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.site-footer ul li{margin-bottom:10px;}
.site-footer ul a{font-size:14px;color:rgba(255,255,255,.72);}
.site-footer ul a:hover{color:var(--lime-400);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 24px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ===== sticky cta ===== */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1035;
  background:var(--paper-100);border-top:1px solid var(--line);
  box-shadow:0 -10px 26px -20px rgba(6,46,41,.6);
}
.sticky-cta.is-hidden{display:none;}
.sticky-inner{display:flex;align-items:center;gap:16px;height:56px;}
.sticky-inner .tip{font-size:14px;color:var(--ink-600);font-weight:500;margin-right:auto;}
.sticky-close{
  width:30px;height:30px;border-radius:50%;border:1px solid var(--line);
  background:var(--paper-100);color:var(--ink-400);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;line-height:1;
  transition:.18s ease;flex:0 0 auto;
}
.sticky-close:hover{border-color:var(--ink-400);color:var(--ink-900);}

/* ===== responsive ===== */
@media (max-width:1199.98px){
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:34px;}
}
@media (max-width:991.98px){
  body{font-size:16px;}
  .nav-links,.header-actions .status-pill,.header-actions .btn-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{gap:14px;}
  .brand-text{font-size:16px;}
  .section{padding:64px 0;}
  .page-hero h1{font-size:30px;}
  .dict-grid{grid-template-columns:1fr;gap:0;}
  .submit-layout{grid-template-columns:1fr;gap:34px;}
  .form-card{max-width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .anchor-bar{top:58px;}
}
@media (max-width:767.98px){
  .entry-grid{grid-template-columns:1fr;}
  .page-hero{min-height:200px;}
  .page-hero-inner{padding:24px 22px;}
  .page-hero h1{font-size:26px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:30px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .accordion-button{font-size:16px;padding:16px 2px;}
  .accordion-body{padding-left:4px;}
  .sticky-inner{height:64px;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:575.98px){
  .container-x{padding:0 16px;}
  .page-hero h1{font-size:22px;}
  .crumb{font-size:12px;}
  .sticky-inner .tip{font-size:13px;}
}

/* roulang page: category3 */
:root{
  --brand-900:#062E29;
  --brand-700:#0C4A3F;
  --brand-500:#12876F;
  --brand-50:#E8F3EE;
  --accent-500:#FF6B2C;
  --accent-100:#FFE9DD;
  --lime-400:#D8F24B;
  --ink-900:#101418;
  --ink-600:#4A5560;
  --ink-400:#8A939B;
  --paper-000:#F6F7F3;
  --paper-100:#FFFFFF;
  --line:#E3E7E1;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-sm:0 1px 2px rgba(16,20,24,.06);
  --shadow-md:0 12px 28px -18px rgba(6,46,41,.35);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"DIN Alternate","Barlow Condensed",ui-monospace,SFMono-Regular,monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding-bottom:72px;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--paper-000);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ink-900);font-weight:700;line-height:1.25;margin:0;}
h1{font-size:44px;}
h2{font-size:30px;}
h3{font-size:22px;}
p{margin:0 0 1em;}
a{color:var(--brand-500);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-700);}
img{max-width:100%;display:block;}
ul{padding-left:0;list-style:none;margin:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(18,135,111,.35);outline-offset:2px;border-radius:6px;}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.container-x{max-width:1280px;}}

/* ---------- 顶部状态条 ---------- */
.topbar{background:var(--brand-900);color:rgba(255,255,255,.82);font-size:13px;height:36px;display:flex;align-items:center;}
.topbar .container-x{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar .status-line{display:flex;align-items:center;gap:8px;white-space:nowrap;}
.topbar .dot{width:7px;height:7px;border-radius:50%;background:var(--lime-400);display:inline-block;}
.topbar .topbar-link{color:rgba(255,255,255,.82);border-bottom:1px solid rgba(255,255,255,.28);}
.topbar .topbar-link:hover{color:#fff;border-bottom-color:#fff;}
.countdown{display:flex;align-items:center;gap:6px;font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.cd-block{min-width:52px;background:var(--brand-700);border-radius:10px;padding:3px 6px;text-align:center;line-height:1.1;color:#fff;}
.cd-block b{display:block;font-size:15px;font-weight:700;letter-spacing:.5px;}
.cd-block span{font-size:10px;color:rgba(255,255,255,.6);}
.cd-colon{color:var(--lime-400);font-weight:700;animation:pulse 1.2s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.25;}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--paper-100);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-md);}
.header-inner{display:flex;align-items:center;gap:22px;height:68px;transition:height .2s ease;}
.site-header.is-scrolled .header-inner{height:58px;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink-900);white-space:nowrap;}
.brand:hover{color:var(--brand-500);}
.brand-mark{
  position:relative;width:26px;height:26px;flex:none;border-radius:50%;
  border:2px solid var(--brand-500);display:inline-block;
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:14px;height:2px;border-radius:2px;
  background:var(--accent-500);transform:translate(-50%,-50%) rotate(-45deg);
}
.nav-links{display:flex;align-items:center;gap:26px;margin:0 auto;}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--ink-600);padding:6px 0;white-space:nowrap;}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:0;height:2px;width:0;
  background:var(--accent-500);transform:translateX(-50%);transition:width .18s ease;
}
.nav-links a:hover{color:var(--brand-500);}
.nav-links a.active{color:var(--ink-900);font-weight:700;}
.nav-links a.active::after{width:60%;}
.header-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:var(--paper-100);color:var(--ink-600);display:grid;place-items:center;
  cursor:pointer;transition:all .18s ease;
}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-500);background:var(--brand-50);}
.status-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--lime-400);color:#0B2A22;font-size:12px;font-weight:700;white-space:nowrap;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:700;font-size:15px;line-height:1;
  padding:13px 22px;border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-cta{background:var(--accent-500);color:#fff;}
.btn-cta:hover{background:#ED5A1B;color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--brand-700);border-color:var(--brand-700);}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-700);transform:translateY(-1px);}
.btn-sm{padding:10px 16px;font-size:14px;}
.menu-toggle{
  width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:var(--paper-100);color:var(--ink-900);display:none;place-items:center;cursor:pointer;
}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--paper-100);padding:8px 20px 20px;}
.mobile-panel.open{display:block;}
.mobile-panel a{
  display:block;padding:13px 0;border-bottom:1px solid var(--line);
  color:var(--ink-900);font-weight:500;font-size:16px;
}
.mobile-panel a.active{color:var(--brand-500);font-weight:700;}
.mobile-panel .btn{width:100%;margin-top:16px;}

@media (max-width:991px){
  .nav-links{display:none;}
  .header-actions .status-badge{display:none;}
  .menu-toggle{display:grid;}
  .header-actions .btn-cta{display:none;}
}
@media (max-width:767px){
  .topbar .status-line{display:none;}
  .topbar .container-x{justify-content:center;}
  .brand{font-size:16px;}
}

/* ---------- 面包屑 + Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;min-height:232px;display:flex;align-items:flex-end;
  background-color:var(--brand-900);
  background-image:linear-gradient(105deg,rgba(6,46,41,.94) 0%,rgba(12,74,63,.86) 55%,rgba(6,46,41,.78) 100%),
                   url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.08;
  background:repeating-linear-gradient(45deg,#fff 0 1px,transparent 1px 12px);
}
.hero-inner{position:relative;z-index:2;padding-top:38px;padding-bottom:34px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:14px;}
.crumb a{color:rgba(255,255,255,.78);}
.crumb a:hover{color:#fff;}
.crumb span{color:rgba(255,255,255,.42);}
.page-hero h1{color:#fff;max-width:900px;}
.page-hero .hero-sub{margin:12px 0 0;color:rgba(255,255,255,.78);font-size:16px;}
@media (max-width:767px){
  .page-hero{min-height:200px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .page-hero .hero-sub{font-size:14px;}
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-sm{padding:64px 0;}
.section-alt{background:var(--paper-100);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:36px;max-width:760px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--brand-50);color:var(--brand-700);font-size:12px;font-weight:700;margin-bottom:14px;
}
.section-head h2{position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  background:var(--brand-500);border-radius:2px;
}
.section-head p{margin:14px 0 0;color:var(--ink-600);}
.lead-text{font-size:18px;color:var(--ink-600);max-width:860px;margin:0;}

/* ---------- 锚点导航条 ---------- */
.anchor-bar{
  position:sticky;top:58px;z-index:1020;background:var(--paper-100);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;gap:10px;overflow-x:auto;padding:12px 0;scrollbar-width:thin;}
.anchor-inner::-webkit-scrollbar{height:4px;}
.anchor-inner::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px;}
.anchor-inner a{
  flex:none;padding:7px 14px;border-radius:999px;border:1px solid var(--line);
  font-size:14px;color:var(--ink-600);background:var(--paper-100);white-space:nowrap;
  transition:all .18s ease;
}
.anchor-inner a:hover{border-color:var(--brand-500);color:var(--brand-500);background:var(--brand-50);}

/* ---------- 对照表 ---------- */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--paper-100);box-shadow:var(--shadow-sm);
}
table.cmp{width:100%;border-collapse:separate;border-spacing:0;min-width:760px;font-size:15px;}
table.cmp thead th{
  background:var(--brand-900);color:#fff;font-weight:700;font-size:14px;
  text-align:left;padding:16px 18px;white-space:nowrap;
}
table.cmp thead th:first-child{border-top-left-radius:13px;}
table.cmp thead th:last-child{border-top-right-radius:13px;}
table.cmp tbody td{padding:15px 18px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--ink-600);}
table.cmp tbody tr:nth-child(even){background:var(--paper-000);}
table.cmp tbody tr:hover{background:var(--brand-50);}
table.cmp tbody tr:last-child td{border-bottom:0;}
table.cmp td:first-child{color:var(--ink-900);font-weight:700;}
.table-note{margin-top:14px;font-size:13px;color:var(--ink-400);}

/* ---------- 卡片网格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.card{
  background:var(--paper-100);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-3px);border-color:var(--brand-500);box-shadow:var(--shadow-md);}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--brand-50);}
.card-media img{width:100%;height:100%;object-fit:cover;}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.card-tag{
  display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:999px;
  background:var(--brand-50);color:var(--brand-700);font-size:12px;font-weight:700;
  align-self:flex-start;margin-bottom:12px;
}
.card-tag.tag-accent{background:var(--accent-100);color:#B23F0C;}
.card h3{font-size:20px;margin-bottom:10px;}
.card p{font-size:15px;line-height:1.8;color:var(--ink-600);margin:0 0 16px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;margin-top:auto;
}
.link-arrow i{transition:transform .18s ease;}
.link-arrow:hover i{transform:translateX(6px);}

/* ---------- 提示条 ---------- */
.notice{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--accent-100);border-radius:var(--r-card);padding:22px 24px;
}
.notice .notice-mark{
  flex:none;width:34px;height:34px;border-radius:10px;background:var(--accent-500);
  color:#fff;display:grid;place-items:center;font-size:15px;
}
.notice h3{font-size:18px;margin-bottom:6px;}
.notice p{margin:0;font-size:15px;color:#7A3A18;}

/* ---------- 结论条 ---------- */
.conclusion{
  background:var(--brand-50);border-left:4px solid var(--brand-500);
  border-radius:0 var(--r-card) var(--r-card) 0;padding:28px 30px;
}
.conclusion h3{margin-bottom:10px;}
.conclusion ul{margin-top:14px;}
.conclusion li{
  position:relative;padding-left:22px;margin-bottom:8px;font-size:15px;color:var(--ink-600);
}
.conclusion li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:2px;
  background:var(--lime-400);
}

/* ---------- 手风琴 ---------- */
.acc{border-top:1px solid var(--line);}
.acc-item{border-bottom:1px solid var(--line);}
.acc-btn{
  width:100%;min-height:56px;display:flex;align-items:center;gap:14px;
  background:transparent;border:0;padding:14px 0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:700;color:var(--ink-900);
}
.acc-btn .num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:13px;
  color:var(--brand-500);flex:none;width:26px;
}
.acc-btn .tri{
  margin-left:auto;flex:none;width:0;height:0;
  border-left:5px solid transparent;border-right:5px solid transparent;border-top:6px solid var(--brand-500);
  transition:transform .2s ease;
}
.acc-btn[aria-expanded="true"] .tri{transform:rotate(180deg);}
.acc-panel{display:none;background:var(--paper-000);border-radius:var(--r-btn);padding:18px 20px;margin-bottom:16px;}
.acc-panel.open{display:block;}
.acc-panel p{margin:0;font-size:15px;}

/* ---------- CTA 区 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:linear-gradient(115deg,var(--brand-900),var(--brand-700));
  color:#fff;text-align:center;padding:76px 0;
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.08;pointer-events:none;
  background:repeating-linear-gradient(45deg,#fff 0 1px,transparent 1px 14px);
}
.cta-band .inner{position:relative;z-index:2;max-width:760px;margin:0 auto;}
.cta-band h2{color:#fff;}
.cta-band p{color:rgba(255,255,255,.76);margin:14px 0 28px;font-size:16px;}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:15px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px;}
.footer-brand .brand-mark{border-color:var(--lime-400);}
.site-footer p{margin:0;line-height:1.85;font-size:14px;color:rgba(255,255,255,.66);}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700;}
.site-footer li{margin-bottom:11px;}
.site-footer li a{color:rgba(255,255,255,.72);font-size:14px;}
.site-footer li a:hover{color:#fff;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;font-size:13px;color:rgba(255,255,255,.55);
}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr;}
}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;height:56px;
  background:var(--paper-100);border-top:1px solid var(--line);
  box-shadow:0 -8px 20px -16px rgba(6,46,41,.45);
  display:flex;align-items:center;
}
.sticky-cta .container-x{display:flex;align-items:center;gap:16px;}
.sticky-cta .tip{font-size:14px;color:var(--ink-600);}
.sticky-cta .tip b{color:var(--brand-700);}
.sticky-cta .spacer{margin-left:auto;}
.sticky-cta .close-btn{
  width:32px;height:32px;border-radius:8px;border:1px solid var(--line);background:transparent;
  color:var(--ink-400);display:grid;place-items:center;cursor:pointer;transition:all .18s ease;
}
.sticky-cta .close-btn:hover{color:var(--ink-900);border-color:var(--brand-500);}
.sticky-cta.hidden{display:none;}
@media (max-width:767px){
  .sticky-cta{height:64px;}
  .sticky-cta .tip{font-size:13px;}
  .sticky-cta .tip span{display:none;}
}

@media (max-width:991px){
  .section{padding:64px 0;}
  .section-sm{padding:48px 0;}
}
@media (max-width:767px){
  .grid-2{grid-template-columns:1fr;}
  .section{padding:48px 0;}
  .section-sm{padding:40px 0;}
  .anchor-bar{top:58px;}
  .conclusion{padding:22px 20px;}
}
section[id]{scroll-margin-top:130px;}