/* roulang page: index */
:root{
  --brand-900:#08251C;
  --brand-800:#0B3D2E;
  --brand-600:#127A5A;
  --brand-400:#2FB98A;
  --lime:#C6F24E;
  --lime-soft:#E6FBB4;
  --orange:#FF7A2F;
  --orange-deep:#E85A12;
  --ink:#10231C;
  --ink-2:#3C4F47;
  --muted:#6E817A;
  --line:#DCE5DF;
  --paper:#F6F5EF;
  --paper-2:#EDF3EE;
  --card:#FFFFFF;
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:14px;
  --shadow-sm:0 10px 30px rgba(11,61,46,.07);
  --shadow-lg:0 18px 44px rgba(11,61,46,.14);
  --ease:cubic-bezier(.3,.7,.4,1);
  --mono:"DIN Alternate","Barlow",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --nav-w:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-600);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--brand-800)}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-0.01em;font-weight:700}
h1{font-size:clamp(30px,3.4vw,46px);line-height:1.15}
h2{font-size:clamp(24px,2.2vw,32px);line-height:1.25}
h3{font-size:19px;line-height:1.4;font-weight:600}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}

/* ---------- layout ---------- */
.wrap{max-width:1240px;margin:0 auto;padding:0 24px;width:100%}
.site-main{margin-left:var(--nav-w);padding-bottom:0;overflow:hidden}
.section{padding:72px 0}
.section-alt{background:var(--paper-2)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-600);letter-spacing:.04em;margin-bottom:10px}
.section-head .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-600)}
.section-head p.lead{color:var(--ink-2);font-size:15px;max-width:620px;margin-top:10px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-600);white-space:nowrap}
.text-link:hover{color:var(--brand-800);gap:10px}

/* ---------- buttons ---------- */
.btn-main,.btn-line,.btn-lime,.btn-ghost,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:0;cursor:pointer;text-align:center;line-height:1;
  transition:transform .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-main{background:var(--orange);color:#fff}
.btn-main:hover{background:var(--orange-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,122,47,.32)}
.btn-main:active{transform:translateY(0);box-shadow:none}
.btn-line{background:transparent;color:var(--brand-800);border:1.5px solid var(--brand-600)}
.btn-line:hover{background:var(--lime-soft);border-color:var(--brand-800);color:var(--brand-800)}
.btn-lime{background:var(--lime);color:var(--brand-900)}
.btn-lime:hover{background:#b9e63f;color:var(--brand-900);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7)}
.btn-ghost:hover{background:#fff;color:var(--brand-800);border-color:#fff}
.btn-soft{background:var(--paper-2);color:var(--brand-800);border:1px solid var(--line)}
.btn-soft:hover{background:var(--lime-soft);border-color:var(--brand-400)}
.btn-s{height:40px;padding:0 20px;font-size:14px}

/* ---------- badges ---------- */
.badge-data{display:inline-flex;align-items:center;gap:8px;background:var(--lime);color:var(--brand-900);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:700}
.badge-data::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-600)}
.badge-data .num{font-family:var(--mono);font-weight:700}
.badge-outline{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--brand-400);color:var(--brand-600);background:#fff;border-radius:999px;padding:5px 12px;font-size:12px;font-weight:700}
.badge-tag{display:inline-flex;align-items:center;background:var(--lime-soft);color:var(--brand-800);border-radius:999px;padding:4px 12px;font-size:12px;font-weight:700}

/* ---------- side nav ---------- */
.side-nav{
  position:fixed;left:0;top:0;width:var(--nav-w);height:100vh;z-index:1040;
  display:flex;flex-direction:column;
  background:linear-gradient(160deg,#0B3D2E 0%,#127A5A 62%,#0B3D2E 100%);
  overflow-y:auto;overflow-x:hidden;
}
.side-nav::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.09;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:14px 14px;
}
.side-nav>*{position:relative;z-index:1}
.side-nav::-webkit-scrollbar{width:4px}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.2);border-radius:4px}
.brand{display:flex;align-items:center;gap:12px;padding:28px 24px;color:#fff}
.brand:hover{color:#fff}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  background:var(--lime);color:var(--brand-900);
  display:grid;place-items:center;font-size:19px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.01em;color:#fff}
.brand-text em{font-style:normal;font-size:12px;letter-spacing:.22em;color:rgba(255,255,255,.72);margin-top:2px}
.brand-dark .brand-text strong{color:var(--brand-800)}
.brand-dark .brand-text em{color:var(--muted)}
.brand-dark .brand-mark{background:var(--brand-800);color:var(--lime)}
.side-divider{height:1px;background:rgba(255,255,255,.12);margin:0 24px}
.side-links{display:flex;flex-direction:column;padding:16px 0;gap:2px;flex:1}
.side-links a{
  position:relative;display:flex;align-items:center;gap:12px;
  min-height:44px;padding:10px 24px;font-size:15px;
  color:rgba(255,255,255,.82);transition:background .22s var(--ease),color .22s var(--ease);
}
.side-links a i{font-size:18px;width:18px;text-align:center;flex:none}
.side-links a::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;
  background:var(--lime);transform:scaleY(0);transform-origin:center;
  transition:transform .22s var(--ease);
}
.side-links a:hover{background:rgba(255,255,255,.08);color:#fff}
.side-links a:hover::before{transform:scaleY(1)}
.side-links a.active{background:rgba(255,255,255,.12);color:#fff;font-weight:700}
.side-links a.active::before{transform:scaleY(1)}
.side-links a.active::after{
  content:"";margin-left:auto;width:7px;height:7px;border-radius:50%;background:var(--lime);
}
.side-foot{padding:16px 24px 24px;margin-top:auto}
.side-card{background:rgba(255,255,255,.1);border-radius:16px;padding:14px 16px;margin-bottom:14px}
.side-card-label{display:block;font-size:12px;color:rgba(255,255,255,.7);margin-bottom:6px}
.side-countdown{font-family:var(--mono);font-size:19px;font-weight:700;color:var(--lime);letter-spacing:.06em}
.side-note{font-size:12px;line-height:1.6;color:rgba(255,255,255,.5)}

/* ---------- mobile nav ---------- */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:1035;
  height:60px;padding:0 16px;align-items:center;justify-content:space-between;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 4px 18px rgba(11,61,46,.06);
}
.mobile-bar .brand{padding:0;gap:10px}
.mobile-bar .brand-mark{width:34px;height:34px;border-radius:10px;font-size:17px}
.mobile-bar .brand-text strong{font-size:16px}
.nav-toggle{
  width:44px;height:44px;border:0;background:transparent;display:grid;place-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--brand-800);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-panel{
  display:none;position:fixed;left:0;right:0;top:60px;bottom:0;z-index:1034;
  background:var(--brand-800);padding:20px 16px 32px;overflow-y:auto;
}
.mobile-panel.is-open{display:block}
.mobile-panel-inner{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mobile-panel-inner a{
  display:flex;align-items:center;gap:10px;min-height:48px;padding:0 14px;
  border-radius:12px;background:rgba(255,255,255,.06);color:rgba(255,255,255,.86);font-size:15px;
}
.mobile-panel-inner a i{color:var(--lime);font-size:16px}
.mobile-panel-inner a.active{background:rgba(255,255,255,.16);color:#fff;font-weight:700}
.mobile-panel-inner a:hover{background:rgba(255,255,255,.14);color:#fff}

/* ---------- ticker ---------- */
.ticker{background:linear-gradient(100deg,#C6F24E 0%,#8FE06A 100%);color:var(--brand-900)}
.ticker-inner{
  max-width:1240px;margin:0 auto;padding:8px 24px;min-height:56px;
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
}
.ticker-label{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700}
.ticker-label::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand-600);box-shadow:0 0 0 4px rgba(18,122,90,.16)}
.countdown{display:flex;align-items:center;gap:8px}
.cd-cell{
  width:44px;height:40px;border-radius:10px;background:var(--brand-900);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0;
}
.cd-num{font-family:var(--mono);font-size:16px;font-weight:700;color:var(--lime);line-height:1.1}
.cd-unit{font-size:10px;color:rgba(255,255,255,.62);line-height:1.2}
.ticker-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.ticker-link{font-size:14px;font-weight:600;color:var(--brand-800);text-decoration:underline;text-underline-offset:3px}
.ticker-link:hover{color:var(--brand-900)}

/* ---------- hero ---------- */
.hero{padding:32px 0 0}
.hero-box{
  position:relative;border-radius:26px;overflow:hidden;
  background:radial-gradient(120% 130% at 8% 10%,#127A5A 0%,#0B3D2E 52%,#08251C 100%);
  padding:56px 40px;
}
.hero-box::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,242,78,.18),transparent 66%);pointer-events:none;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.hero-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--lime);color:var(--brand-900);border-radius:999px;
  padding:6px 14px;font-size:13px;font-weight:700;margin-bottom:18px;
}
.hero h1{color:#fff;max-width:15em}
.hero-sub{color:rgba(255,255,255,.82);font-size:16px;margin-top:16px;max-width:34em}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.hero-stats{display:flex;gap:28px;margin-top:34px;flex-wrap:wrap}
.hero-stats .stat{display:flex;flex-direction:column;gap:2px}
.hero-stats .stat strong{font-family:var(--mono);font-size:24px;font-weight:700;color:var(--lime);line-height:1.2}
.hero-stats .stat span{font-size:13px;color:rgba(255,255,255,.72)}
.hero-media{position:relative}
.hero-media>img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:24px;
  box-shadow:0 24px 60px rgba(8,37,28,.36);
}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:24px;background:rgba(8,37,28,.12);pointer-events:none;
}
.hero-float{
  position:absolute;right:14px;bottom:14px;z-index:2;
  display:flex;align-items:center;gap:12px;background:#fff;border-radius:16px;
  padding:10px 16px 10px 10px;box-shadow:var(--shadow-sm);max-width:calc(100% - 28px);
}
.hero-float img{width:52px;height:52px;border-radius:12px;object-fit:cover;flex:none}
.hero-float strong{display:block;font-size:13px;color:var(--ink);line-height:1.4}
.hero-float span{display:block;font-size:12px;color:var(--muted);line-height:1.4}

/* ---------- bento ---------- */
.bento{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:22px}
.bento-main{
  grid-row:span 1;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.bento-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.bento-main .bento-media{aspect-ratio:16/9;overflow:hidden}
.bento-main .bento-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.bento-main:hover .bento-media img{transform:scale(1.04)}
.bento-main .bento-body{padding:28px 32px 32px}
.bento-main h2{font-size:clamp(22px,2vw,28px)}
.bento-main p{color:var(--ink-2);font-size:15px;margin-top:12px}
.bento-side{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.bento-side:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);background:#fff}
.icon-block{
  width:44px;height:44px;border-radius:14px;background:var(--lime);color:var(--brand-900);
  display:grid;place-items:center;font-size:20px;margin-bottom:18px;flex:none;
}
.bento-side h3{margin-bottom:8px;color:var(--brand-800)}
.bento-side p{font-size:14px;color:var(--ink-2);line-height:1.75}
.bento-side .text-link{margin-top:auto;padding-top:16px}

/* ---------- gallery ---------- */
.gallery-row{display:grid;gap:20px}
.gallery-row.row-a{grid-template-columns:2fr 1fr 1fr;margin-bottom:20px}
.gallery-row.row-b{grid-template-columns:1fr 1fr}
.g-item{
  position:relative;display:block;border-radius:var(--radius-md);overflow:hidden;
  background:var(--brand-800);box-shadow:var(--shadow-sm);
}
.gallery-row.row-a .g-item{aspect-ratio:4/3}
.gallery-row.row-a .g-item:first-child{aspect-ratio:16/10}
.gallery-row.row-b .g-item{aspect-ratio:16/9}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.g-item:hover img{transform:scale(1.04)}
.g-item .g-mask{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;gap:8px;
  padding:18px;background:linear-gradient(180deg,rgba(8,37,28,0) 42%,rgba(8,37,28,.82) 100%);
}
.g-item .g-mask strong{color:#fff;font-size:14px;font-weight:600;line-height:1.5}
.g-item .g-mask .badge-tag{background:var(--lime);color:var(--brand-900);align-self:flex-start}

/* ---------- status ---------- */
.status-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.status-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 24px;box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.status-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.status-card .num{font-family:var(--mono);font-size:36px;font-weight:700;color:var(--brand-800);line-height:1.1}
.status-card .num small{font-size:15px;font-family:var(--sans);font-weight:600;color:var(--muted);margin-left:4px}
.status-card p{font-size:13px;color:var(--muted);margin-top:8px}
.status-aside{background:var(--brand-800);border-radius:var(--radius-lg);padding:30px 28px;color:rgba(255,255,255,.78)}
.status-aside h3{color:#fff;margin-bottom:16px}
.status-aside li{display:flex;gap:10px;font-size:14px;line-height:1.75;margin-bottom:12px}
.status-aside li i{color:var(--lime);font-size:15px;margin-top:4px;flex:none}
.status-aside li:last-child{margin-bottom:0}

/* ---------- cta form ---------- */
.cta-card{
  border-radius:var(--radius-lg);padding:40px;
  background:linear-gradient(120deg,#0B3D2E 0%,#127A5A 58%,#2FB98A 100%);
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-card::after{
  content:"";position:absolute;left:-80px;top:-80px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,242,78,.16),transparent 68%);pointer-events:none;
}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{color:#fff}
.cta-copy p{color:rgba(255,255,255,.8);font-size:15px;margin-top:14px;max-width:32em}
.cta-points{display:flex;flex-direction:column;gap:12px;margin-top:24px}
.cta-points span{display:inline-flex;align-items:center;gap:10px;font-size:14px;color:#fff;border:1px solid rgba(198,242,78,.55);border-radius:999px;padding:7px 16px;align-self:flex-start}
.cta-points span i{color:var(--lime);font-size:14px}
.form-card{position:relative;z-index:1;background:#fff;border-radius:18px;padding:28px;box-shadow:0 22px 50px rgba(8,37,28,.22)}
.form-card h3{font-size:18px;color:var(--brand-800)}
.form-card .form-note{font-size:13px;color:var(--muted);margin-top:6px;margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:8px}
.form-control,.form-select{
  height:48px;border-radius:var(--radius-sm);border:1px solid var(--line);
  padding:0 14px;font-size:15px;color:var(--ink);background:#fff;width:100%;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.form-control::placeholder{color:#9AA9A2}
.form-control:focus,.form-select:focus{
  border-color:var(--brand-400);box-shadow:0 0 0 3px rgba(198,242,78,.55);outline:none;
}
.check-row{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:var(--muted);line-height:1.7;margin:4px 0 18px}
.check-row input{width:16px;height:16px;margin-top:3px;accent-color:var(--brand-600);flex:none}
.form-card .btn-main{width:100%}
.form-tip{font-size:12px;margin-top:12px;min-height:18px;line-height:1.6}
.form-tip.is-error{color:#D1431C}
.form-tip.is-ok{color:var(--brand-600)}

/* ---------- posts ---------- */
.chip-row{display:flex;gap:10px;flex-wrap:wrap}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  font-size:13px;font-weight:600;background:#fff;border:1px solid var(--line);color:var(--ink-2);
  transition:all .22s var(--ease);
}
.chip:hover{border-color:var(--brand-400);color:var(--brand-800)}
.chip.is-on{background:var(--lime);border-color:var(--lime);color:var(--brand-900)}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.post-card>a{display:flex;flex-direction:column;height:100%;color:inherit}
.post-thumb{aspect-ratio:16/9;overflow:hidden;border-radius:16px 16px 0 0}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{
  font-size:16px;line-height:1.5;color:var(--ink);font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body p{
  font-size:13px;line-height:1.7;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-family:var(--mono);font-size:12px;color:var(--muted);
}
.post-meta i{color:var(--brand-600);font-size:14px;transition:transform .22s var(--ease)}
.post-card:hover .post-meta i{transform:translateX(4px)}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:56px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-md);
}
.empty-state .empty-icon{
  width:80px;height:80px;border-radius:22px;background:var(--lime);color:var(--brand-900);
  display:grid;place-items:center;font-size:32px;
}
.empty-state p{font-size:15px;color:var(--ink-2)}

/* ---------- faq ---------- */
.faq-layout{display:grid;grid-template-columns:1fr 2fr;gap:44px;align-items:start}
.faq-aside h2{margin-bottom:14px}
.faq-aside p{font-size:15px;color:var(--ink-2);margin-bottom:20px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:12px;overflow:hidden;transition:background .22s var(--ease),border-color .22s var(--ease);
}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:16px 22px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  width:28px;height:28px;border-radius:9px;background:var(--lime);color:var(--brand-900);
  display:grid;place-items:center;font-size:14px;flex:none;
  transition:transform .22s var(--ease);
}
.faq-item[open]{background:var(--lime-soft);border-color:#cfe2a8}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;font-size:14px;line-height:1.8;color:var(--ink-2)}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);margin-top:8px}
.footer-inner{max-width:1240px;margin:0 auto;padding:64px 24px 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand .brand{padding:0;margin-bottom:16px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:rgba(255,255,255,.6)}
.footer-brand p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.6);max-width:22em}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:color .22s var(--ease),transform .22s var(--ease)}
.footer-col a:hover{color:var(--lime);transform:translateX(2px)}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72)}
.footer-col .muted-line{font-size:12px;color:rgba(255,255,255,.5);margin-top:6px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.5);
}
.footer-bottom .risk{color:rgba(255,255,255,.45)}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--brand-800);color:#fff;border:0;display:grid;place-items:center;font-size:18px;
  opacity:0;visibility:hidden;transform:translateY(8px);cursor:pointer;z-index:1030;
  box-shadow:0 12px 28px rgba(8,37,28,.28);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease),background .22s var(--ease);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--brand-600)}

/* ---------- responsive ---------- */
@media (min-width:1400px){
  .wrap,.ticker-inner,.footer-inner{padding-left:32px;padding-right:32px}
}
@media (max-width:1199px){
  :root{--nav-w:208px}
  .hero-grid{grid-template-columns:7fr 5fr;gap:32px}
  .hero-box{padding:44px 32px}
  .bento{grid-template-columns:1fr 1fr}
  .bento-main{grid-column:1/-1}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:991px){
  .side-nav{display:none}
  .mobile-bar{display:flex}
  .site-main{margin-left:0}
  .section{padding:56px 0}
  .hero{padding:20px 0 0}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero h1{max-width:none}
  .hero-media>img{aspect-ratio:16/10}
  .gallery-row.row-a{grid-template-columns:1fr 1fr}
  .gallery-row.row-a .g-item:first-child{grid-column:1/-1;aspect-ratio:16/9}
  .status-grid{grid-template-columns:1fr}
  .cta-card{grid-template-columns:1fr;padding:32px;gap:28px}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .footer-inner{padding:48px 24px 24px}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .wrap{padding:0 18px}
  .ticker-inner{padding:10px 18px;gap:14px}
  .ticker-right{margin-left:0;width:100%;justify-content:space-between}
  .cd-cell{width:38px;height:34px;border-radius:9px}
  .cd-num{font-size:14px}
  .cd-unit{font-size:9px}
  .hero-box{padding:32px 22px;border-radius:20px}
  .hero-stats{gap:20px}
  .bento{grid-template-columns:1fr}
  .gallery-row.row-a,.gallery-row.row-b{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;gap:14px}
  .gallery-row.row-a .g-item,.gallery-row.row-b .g-item{flex:0 0 82%;scroll-snap-align:start;aspect-ratio:16/10}
  .post-grid{grid-template-columns:1fr}
  .cta-card{padding:26px 20px}
  .form-card{padding:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:575px){
  h1{font-size:28px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .mobile-panel-inner{grid-template-columns:1fr}
  .hero-float{padding:8px 12px 8px 8px}
  .hero-float img{width:44px;height:44px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --brand-900:#08251C;
  --brand-800:#0B3D2E;
  --brand-600:#127A5A;
  --brand-400:#2FB98A;
  --lime:#C6F24E;
  --lime-soft:#E6FBB4;
  --orange:#FF7A2F;
  --orange-deep:#E85A12;
  --ink:#10231C;
  --ink-2:#3C4F47;
  --muted:#6E817A;
  --line:#DCE5DF;
  --paper:#F6F5EF;
  --paper-2:#EDF3EE;
  --card:#FFFFFF;
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:14px;
  --shadow-sm:0 10px 30px rgba(11,61,46,.07);
  --shadow-md:0 18px 44px rgba(11,61,46,.14);
  --ease:.22s cubic-bezier(.3,.7,.4,1);
  --nav-w:240px;
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"DIN Alternate","Barlow",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-600);text-decoration:none;transition:color var(--ease),background var(--ease),transform var(--ease),box-shadow var(--ease)}
a:hover{color:var(--brand-800)}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(30px,3.4vw,46px);line-height:1.15}
h2{font-size:clamp(24px,2.2vw,32px);line-height:1.25}
h3{font-size:19px;line-height:1.4;font-weight:600}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
::selection{background:var(--lime);color:var(--brand-900)}

/* ============ 左侧竖栏导航 ============ */
.side-nav{
  position:fixed;left:0;top:0;bottom:0;width:var(--nav-w);
  display:none;flex-direction:column;
  background:
    radial-gradient(circle at 82% 12%,rgba(198,242,78,.16),transparent 46%),
    linear-gradient(160deg,#0B3D2E 0%,#127A5A 58%,#08251C 100%);
  color:#fff;z-index:1040;overflow-y:auto;
  scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.2) transparent;
}
.side-nav::-webkit-scrollbar{width:4px}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.2);border-radius:4px}
.side-nav .brand{
  display:flex;align-items:center;gap:12px;
  padding:26px 24px 22px;color:#fff;
}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--lime);color:var(--brand-900);
  font-size:18px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:12px;letter-spacing:.28em;color:rgba(255,255,255,.78);margin-top:3px}
.side-nav .nav-divider{height:1px;background:rgba(255,255,255,.12);margin:0 24px 12px}
.side-links{padding:0 0 16px}
.side-links a{
  position:relative;display:flex;align-items:center;gap:10px;
  min-height:44px;padding:11px 24px;
  font-size:15px;color:rgba(255,255,255,.82);
  border-left:3px solid transparent;
}
.side-links a i{font-size:17px;opacity:.9}
.side-links a:hover{background:rgba(255,255,255,.08);color:#fff;border-left-color:var(--lime)}
.side-links a.active{
  background:rgba(255,255,255,.12);color:#fff;font-weight:700;
  border-left-color:var(--lime);
}
.side-links a.active::after{
  content:"";position:absolute;right:18px;width:6px;height:6px;border-radius:50%;
  background:var(--lime);
}
.side-foot{margin-top:auto;padding:18px 24px 26px}
.side-foot .lime-btn{
  display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;min-height:44px;border-radius:999px;
  background:var(--lime);color:var(--brand-900);
  font-size:14px;font-weight:700;
}
.side-foot .lime-btn:hover{background:#b8e63f;color:var(--brand-900)}
.side-foot small{display:block;margin-top:14px;font-size:12px;line-height:1.6;color:rgba(255,255,255,.5)}

/* ============ 移动端顶部导航 ============ */
.mobile-top{
  position:sticky;top:0;z-index:1050;
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;height:60px;padding:0 16px;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 4px 18px rgba(11,61,46,.06);
}
.mobile-top .brand{display:flex;align-items:center;gap:10px;color:var(--brand-800)}
.mobile-top .brand-mark{width:32px;height:32px;flex:0 0 32px;font-size:16px;border-radius:10px;background:var(--brand-800);color:var(--lime)}
.mobile-top .brand-text strong{font-size:15px;font-weight:800}
.mobile-top .brand-text em{font-size:10px;letter-spacing:.2em;color:var(--muted)}
.nav-toggle{
  width:44px;height:44px;border:0;background:transparent;
  display:grid;place-items:center;gap:0;border-radius:12px;cursor:pointer;
}
.nav-toggle span{
  display:block;width:20px;height:2px;background:var(--brand-800);
  border-radius:2px;transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle span+span{margin-top:5px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{
  display:none;position:fixed;left:0;right:0;top:60px;bottom:0;z-index:1045;
  background:var(--brand-800);padding:16px 16px 32px;overflow-y:auto;
}
.mobile-menu.open{display:block}
.mobile-menu .menu-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mobile-menu a{
  display:flex;align-items:center;gap:8px;
  min-height:48px;padding:10px 12px;border-radius:12px;
  font-size:15px;color:rgba(255,255,255,.86);
  background:rgba(255,255,255,.05);
}
.mobile-menu a i{font-size:16px;color:var(--lime)}
.mobile-menu a.active{background:rgba(198,242,78,.16);color:#fff;font-weight:700}
.mobile-menu a:hover{background:rgba(255,255,255,.12);color:#fff}
.mobile-menu .menu-note{margin-top:18px;font-size:12px;line-height:1.7;color:rgba(255,255,255,.55)}

/* ============ 内容区 ============ */
.page-wrap{min-height:100vh;display:flex;flex-direction:column}
.main{flex:1 1 auto}
.container-x{
  width:100%;max-width:1240px;margin:0 auto;padding:0 24px;
}
.section{padding:72px 0}
.section-alt{background:var(--paper-2)}
.section-head{max-width:720px;margin-bottom:32px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-600);
  letter-spacing:.06em;margin-bottom:12px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-600)}
.section-head h2{margin-bottom:12px}
.section-head p{color:var(--muted);font-size:15px;margin:0}

/* 页头 banner */
.page-hero{
  position:relative;overflow:hidden;
  padding:40px 0 48px;
  color:#fff;
  background-image:
    linear-gradient(120deg,rgba(8,37,28,.94) 0%,rgba(18,122,90,.9) 58%,rgba(8,37,28,.95) 100%),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  min-height:260px;
  display:flex;align-items:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.35;pointer-events:none;
}
.page-hero .container-x{position:relative;z-index:1}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:16px;
}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:var(--lime)}
.crumb .sep{opacity:.55}
.page-hero h1{color:#fff;max-width:820px}
.page-hero .hero-lead{
  margin:16px 0 0;max-width:640px;
  font-size:16px;line-height:1.8;color:rgba(255,255,255,.86);
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:24px;padding:6px 14px;border-radius:999px;
  background:var(--lime);color:var(--brand-900);
  font-size:13px;font-weight:700;
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-600)}
.hero-badge .num{font-family:var(--font-num);font-weight:700}

/* 介绍模块 */
.intro-grid{
  display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:center;
}
.intro-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-sm);
}
.intro-card h2{margin-bottom:16px}
.intro-card p{font-size:15.5px;color:var(--ink-2)}
.check-list{margin-top:20px;display:grid;gap:12px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--ink-2);line-height:1.7;
}
.check-list .tick{
  flex:0 0 24px;width:24px;height:24px;border-radius:8px;
  background:var(--lime);color:var(--brand-900);
  display:grid;place-items:center;font-size:13px;margin-top:3px;
}
.intro-media{
  position:relative;border-radius:20px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
  aspect-ratio:4/3;background:var(--paper-2);
}
.intro-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.intro-media:hover img{transform:scale(1.04)}
.intro-media .float-card{
  position:absolute;left:16px;right:16px;bottom:16px;
  background:rgba(255,255,255,.96);border-radius:14px;
  padding:14px 16px;border:1px solid var(--line);
  display:flex;align-items:center;gap:12px;
}
.intro-media .float-card .ic{
  width:36px;height:36px;flex:0 0 36px;border-radius:10px;
  background:var(--lime-soft);color:var(--brand-800);
  display:grid;place-items:center;font-size:16px;
}
.intro-media .float-card b{display:block;font-size:14px;color:var(--ink)}
.intro-media .float-card span{font-size:12.5px;color:var(--muted)}

/* 步骤 / 要点卡 */
.point-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.point-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px;box-shadow:var(--shadow-sm);transition:transform var(--ease),box-shadow var(--ease);
  height:100%;
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.point-card .ic{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--lime);color:var(--brand-900);font-size:20px;margin-bottom:16px;
}
.point-card h3{margin-bottom:8px;font-size:18px}
.point-card p{font-size:14.5px;color:var(--ink-2);margin:0}
.point-card .step-no{
  font-family:var(--font-num);font-weight:700;font-size:13px;color:var(--brand-600);
  letter-spacing:.08em;display:block;margin-bottom:6px;
}

/* 亮点图墙 */
.gallery{
  display:grid;grid-template-columns:repeat(3,1fr);
  grid-auto-rows:186px;gap:20px;
}
.g-item{
  position:relative;overflow:hidden;border-radius:var(--radius-md);
  border:1px solid var(--line);background:var(--brand-800);
  display:block;
}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.g-item:hover img{transform:scale(1.06)}
.g-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(8,37,28,.92) 0%,rgba(8,37,28,.35) 46%,rgba(8,37,28,0) 78%);
}
.g-item .cap{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
}
.g-item .cap .tag{
  display:inline-block;padding:4px 10px;border-radius:999px;
  background:var(--lime);color:var(--brand-900);
  font-size:12px;font-weight:700;margin-bottom:8px;
}
.g-item .cap h3{color:#fff;font-size:16px;line-height:1.4;margin:0}
.g-item.tall{grid-row:span 2}
.g-item.wide{grid-column:span 3;grid-row:span 1}
.g-item.wide .cap h3{font-size:18px}

/* CTA 大卡 */
.cta-card{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  padding:40px;
  color:#fff;
  background-image:linear-gradient(120deg,#0B3D2E 0%,#127A5A 56%,#2FB98A 100%);
  box-shadow:var(--shadow-md);
  display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;
}
.cta-card::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:24px 24px;opacity:.3;pointer-events:none;
}
.cta-card>*{position:relative;z-index:1}
.cta-card h2{color:#fff;margin-bottom:12px}
.cta-card p{color:rgba(255,255,255,.84);font-size:15px;margin:0 0 20px}
.cta-points{display:flex;flex-wrap:wrap;gap:10px}
.cta-points span{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(198,242,78,.7);color:var(--lime);
  font-size:13px;font-weight:600;
}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start}

/* 按钮 */
.btn-main,.btn-ghost,.btn-ghost-light,.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-main{background:var(--orange);color:#fff}
.btn-main:hover{background:var(--orange-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,122,47,.32)}
.btn-main:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--brand-600);color:var(--brand-800)}
.btn-ghost:hover{background:var(--lime-soft);border-color:var(--brand-800);color:var(--brand-800)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.7);color:#fff}
.btn-ghost-light:hover{background:#fff;color:var(--brand-800);border-color:#fff}
.btn-lime{background:var(--lime);color:var(--brand-900)}
.btn-lime:hover{background:#b8e63f;color:var(--brand-900)}
.btn-sm{min-height:40px;padding:0 20px;font-size:14px}

/* 返回链接 */
.back-row{display:flex;justify-content:center;padding:0 0 72px}
.back-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--brand-600);
}
.back-link:hover{color:var(--brand-800);gap:12px}

/* 页脚 */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:56px 0 0;margin-top:auto}
.footer-inner{max-width:1240px;margin:0 auto;padding:0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:40px}
.footer-brand .brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;color:#fff}
.footer-brand .brand-mark{background:var(--lime);color:var(--brand-900)}
.footer-brand .brand-text strong{font-size:17px;font-weight:800;color:#fff}
.footer-brand .brand-text em{font-size:12px;letter-spacing:.28em;color:rgba(255,255,255,.72)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:280px}
.footer-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col li a{display:inline-block;font-size:14px;color:rgba(255,255,255,.72);transition:color var(--ease),transform var(--ease)}
.footer-col li a:hover{color:var(--lime);transform:translateX(2px)}
.footer-col p{font-size:14px;color:rgba(255,255,255,.72);margin:0 0 10px}
.footer-col .muted-line{font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12.5px;color:rgba(255,255,255,.5);
}
.footer-bottom .risk{color:rgba(255,255,255,.45)}

/* 回到顶部 */
.to-top{
  position:fixed;right:20px;bottom:24px;z-index:1030;
  width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--brand-800);color:#fff;border:0;cursor:pointer;
  box-shadow:var(--shadow-md);opacity:0;pointer-events:none;
  transition:opacity var(--ease),transform var(--ease);
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--brand-600);transform:translateY(-2px)}

/* ============ 响应式 ============ */
@media (min-width:992px){
  .side-nav{display:flex}
  .page-wrap{margin-left:var(--nav-w)}
  .mobile-top,.mobile-menu{display:none !important}
}
@media (min-width:992px) and (max-width:1199.98px){
  :root{--nav-w:208px}
}
@media (min-width:1400px){
  .container-x,.footer-inner{padding:0 32px}
}
@media (max-width:1199.98px){
  .cta-card{grid-template-columns:1fr;gap:24px}
  .gallery{grid-auto-rows:170px}
}
@media (max-width:991.98px){
  .section{padding:56px 0}
  .intro-grid{grid-template-columns:1fr;gap:24px}
  .point-grid{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:170px}
  .g-item.wide{grid-column:span 2}
  .g-item.tall{grid-row:span 1}
  .footer-grid{grid-template-columns:1fr 1fr}
  .page-hero{padding:32px 0 40px;min-height:0}
}
@media (max-width:767.98px){
  .point-grid{grid-template-columns:1fr}
  .section{padding:48px 0}
  .page-hero h1{font-size:28px}
  .hero-lead{font-size:15px}
  .gallery{grid-template-columns:1fr;grid-auto-rows:200px}
  .g-item.wide,.g-item.tall{grid-column:span 1;grid-row:span 1}
  .cta-card{padding:26px}
  .intro-card{padding:24px}
  .btn-main,.btn-ghost,.btn-ghost-light,.btn-lime{width:100%}
  .cta-actions{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .container-x,.footer-inner{padding:0 18px}
  .brand-text em{display:none}
  .to-top{right:14px;bottom:16px;width:44px;height:44px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --brand-900:#08251C;
  --brand-800:#0B3D2E;
  --brand-600:#127A5A;
  --brand-400:#2FB98A;
  --lime:#C6F24E;
  --lime-soft:#E6FBB4;
  --orange:#FF7A2F;
  --orange-deep:#E85A12;
  --ink:#10231C;
  --ink-2:#3C4F47;
  --muted:#6E817A;
  --line:#DCE5DF;
  --paper:#F6F5EF;
  --paper-2:#EDF3EE;
  --card:#FFFFFF;
  --radius-lg:22px;
  --radius:16px;
  --radius-sm:14px;
  --shadow:0 10px 30px rgba(11,61,46,.07);
  --shadow-hover:0 18px 44px rgba(11,61,46,.14);
  --ease:.22s cubic-bezier(.3,.7,.4,1);
  --nav-w:240px;
  --font-sans:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"DIN Alternate","Barlow",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-600);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-800);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:1.2em;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.wrap{padding:0 32px;}}

/* ---------- 左侧导航 ---------- */
.side-nav{
  position:fixed;left:0;top:0;width:var(--nav-w);height:100vh;z-index:1040;
  display:flex;flex-direction:column;
  background:linear-gradient(165deg,#0B3D2E 0%,#127A5A 58%,#0A4E3A 100%);
  overflow-y:auto;overflow-x:hidden;
  scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.2) transparent;
}
.side-nav::-webkit-scrollbar{width:4px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.2);border-radius:4px;}
.side-nav::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:18px 18px;opacity:.35;
}
.side-brand{padding:26px 22px 20px;position:relative;z-index:1;flex:0 0 auto;}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:var(--lime);color:var(--brand-900);
  display:flex;align-items:center;justify-content:center;font-size:19px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.01em;color:#fff;}
.brand-text em{font-size:11.5px;font-style:normal;letter-spacing:.2em;color:rgba(255,255,255,.72);margin-top:3px;}
.side-divider{height:1px;background:rgba(255,255,255,.12);margin:0 22px;position:relative;z-index:1;}
.side-links{display:flex;flex-direction:column;padding:14px 0;position:relative;z-index:1;flex:1 1 auto;}
.side-links a{
  position:relative;display:flex;align-items:center;gap:12px;
  height:44px;padding:0 22px;font-size:15px;line-height:1;
  color:rgba(255,255,255,.82);text-decoration:none;
  transition:background var(--ease),color var(--ease);
}
.side-links a i{font-size:17px;opacity:.9;}
.side-links a::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;
  background:var(--lime);border-radius:0 3px 3px 0;
  transform:scaleY(0);transition:transform var(--ease);
}
.side-links a:hover{background:rgba(255,255,255,.08);color:#fff;}
.side-links a:hover::before{transform:scaleY(1);}
.side-links a.active{background:rgba(255,255,255,.12);color:#fff;font-weight:700;}
.side-links a.active::before{transform:scaleY(1);}
.side-foot{padding:16px 22px 24px;position:relative;z-index:1;}
.foot-card{
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.14);
  border-radius:14px;padding:12px 14px;font-size:12.5px;line-height:1.6;
  color:rgba(255,255,255,.86);display:flex;gap:8px;align-items:flex-start;
}
.foot-dot{width:7px;height:7px;border-radius:50%;background:var(--lime);margin-top:7px;flex:0 0 auto;box-shadow:0 0 0 3px rgba(198,242,78,.18);}
.foot-note{margin-top:12px;font-size:12px;color:rgba(255,255,255,.5);line-height:1.5;}
.nav-toggle{
  display:none;width:44px;height:44px;border:0;background:transparent;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--brand-800);transition:transform var(--ease),opacity var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 主区域 ---------- */
.site-main{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column;}
.page-wrap{max-width:1240px;margin:0 auto;padding:40px 24px 72px;width:100%;}
@media (min-width:1400px){.page-wrap{padding-left:32px;padding-right:32px;}}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--muted);margin-bottom:24px;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand-600);}
.crumbs .sep{color:#B9C7C0;}
.crumbs .current{color:var(--ink-2);max-width:44ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.article-head{margin-bottom:32px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--lime);color:var(--brand-900);
  border-radius:999px;padding:6px 14px;font-size:13px;font-weight:700;line-height:1.4;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-600);}
.article-title{
  font-size:clamp(26px,3vw,38px);line-height:1.35;font-weight:700;
  letter-spacing:-.01em;color:var(--ink);margin:16px 0 18px;
  overflow-wrap:break-word;
}
.meta-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--muted);}
.meta-row .meta-date{font-family:var(--font-num);font-weight:700;letter-spacing:.02em;color:var(--ink-2);}
.meta-row .sep-dot{width:4px;height:4px;border-radius:50%;background:#C3D0C9;}
.share-group{display:flex;gap:10px;margin-left:auto;}
.share-btn{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--ink-2);display:flex;align-items:center;justify-content:center;font-size:15px;
  cursor:pointer;transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
}
.share-btn:hover{background:var(--lime);border-color:var(--lime);color:var(--brand-900);transform:translateY(-2px);}

/* ---------- 布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start;}
.article-main{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:40px;box-shadow:var(--shadow);min-width:0;
}
.article-cover{border-radius:var(--radius);overflow:hidden;margin-bottom:32px;background:var(--paper-2);}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease;}
.article-cover:hover img{transform:scale(1.03);}

/* ---------- 正文排版 ---------- */
.article-body{font-size:16.5px;line-height:1.85;color:var(--ink-2);overflow-wrap:break-word;}
.article-body p{margin:0 0 1.35em;}
.article-body h2{
  position:relative;font-size:clamp(21px,2.1vw,26px);line-height:1.4;font-weight:700;
  color:var(--ink);margin:48px 0 18px;padding-left:16px;letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  border-radius:3px;background:var(--lime);
}
.article-body h3{font-size:19px;line-height:1.4;font-weight:600;color:var(--ink);margin:32px 0 12px;}
.article-body h4{font-size:16.5px;font-weight:600;color:var(--ink);margin:24px 0 10px;}
.article-body img{border-radius:var(--radius);margin:26px auto;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body blockquote{
  background:var(--paper-2);border-left:4px solid var(--brand-600);
  padding:20px 24px;border-radius:0 14px 14px 0;margin:28px 0;color:var(--ink);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{margin:0 0 1.35em;padding-left:1.3em;}
.article-body li{margin:.4em 0;line-height:1.9;}
.article-body li::marker{color:var(--brand-600);}
.article-body a{color:var(--brand-600);border-bottom:1px solid rgba(18,122,90,.3);}
.article-body a:hover{color:var(--brand-800);border-bottom-color:var(--brand-800);}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
  margin:26px 0;font-size:15px;
}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);}
.article-body th{background:var(--paper-2);font-weight:700;color:var(--ink);}
.article-body tr:last-child td{border-bottom:none;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0;}

/* ---------- 空状态 ---------- */
.empty-state{
  text-align:center;padding:56px 20px;
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-icon{
  width:80px;height:80px;border-radius:22px;background:var(--lime-soft);
  color:var(--brand-800);display:flex;align-items:center;justify-content:center;font-size:34px;
}
.empty-state h2{font-size:20px;font-weight:700;color:var(--ink);}
.empty-state p{font-size:15px;color:var(--muted);max-width:420px;}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:0;
  background:var(--orange);color:#fff;font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-main:hover{background:var(--orange-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,122,47,.32);}
.btn-main:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  background:transparent;border:1.5px solid var(--brand-600);color:var(--brand-800);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background var(--ease),border-color var(--ease),color var(--ease),transform var(--ease);
}
.btn-ghost:hover{background:var(--lime-soft);border-color:var(--brand-800);color:var(--brand-900);transform:translateY(-2px);}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:24px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.side-card h3{
  display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;
  color:var(--ink);margin-bottom:14px;letter-spacing:.01em;
}
.side-card h3 i{color:var(--brand-600);font-size:16px;}
.check-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.check-list li{display:flex;gap:9px;font-size:13.5px;line-height:1.7;color:var(--ink-2);}
.check-list li i{color:var(--brand-600);font-size:14px;margin-top:3px;flex:0 0 auto;}
.side-info{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.side-info li{font-size:13px;color:var(--muted);line-height:1.6;display:flex;justify-content:space-between;gap:10px;}
.side-info li b{color:var(--ink);font-weight:600;font-family:var(--font-num);}

/* ---------- 相关阅读 ---------- */
.related-block{margin-top:56px;}
.related-block h2{
  font-size:clamp(20px,2vw,24px);font-weight:700;color:var(--ink);
  margin-bottom:20px;display:flex;align-items:center;gap:10px;
}
.related-block h2::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 5px rgba(198,242,78,.28);}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.rel-item{
  display:flex;align-items:center;gap:12px;padding:12px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  text-decoration:none;color:inherit;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rel-item:hover{background:var(--paper-2);border-color:#C9D9D1;transform:translateY(-3px);box-shadow:var(--shadow);color:inherit;}
.rel-thumb{width:88px;height:66px;border-radius:10px;overflow:hidden;flex:0 0 auto;background:var(--paper-2);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.rel-item:hover .rel-thumb img{transform:scale(1.06);}
.rel-text{min-width:0;}
.rel-text strong{
  display:block;font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-text span{display:block;font-size:12px;color:var(--muted);margin-top:5px;font-family:var(--font-num);}

/* ---------- 文末操作 ---------- */
.article-foot{
  margin-top:40px;padding-top:28px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:var(--paper-2);color:var(--brand-800);font-size:12.5px;font-weight:600;
  border:1px solid #DDE9E2;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);margin-top:auto;}
.footer-inner{max-width:1240px;margin:0 auto;padding:56px 24px 24px;}
@media (min-width:1400px){.footer-inner{padding-left:32px;padding-right:32px;}}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:rgba(255,255,255,.6);}
.footer-brand .brand-mark{background:var(--lime);color:var(--brand-900);}
.footer-brand p{font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.6);max-width:280px;}
.footer-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{
  font-size:13.5px;color:rgba(255,255,255,.72);display:inline-block;
  transition:color var(--ease),transform var(--ease);
}
.footer-col ul a:hover{color:var(--lime);transform:translateX(2px);}
.footer-col p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.72);margin-bottom:8px;}
.footer-col .muted-line{font-size:12.5px;color:rgba(255,255,255,.48);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding-top:20px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:12.5px;color:rgba(255,255,255,.5);
}
.footer-bottom .risk{color:rgba(255,255,255,.45);}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:50%;
  border:0;background:var(--brand-800);color:#fff;font-size:18px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;z-index:1050;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease),background var(--ease);
  box-shadow:0 10px 24px rgba(8,37,28,.28);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand-600);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-side{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
}
@media (max-width:991.98px){
  .side-nav{
    position:sticky;top:0;left:0;width:100%;height:60px;
    flex-direction:row;align-items:center;justify-content:space-between;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 4px 18px rgba(11,61,46,.06);
    padding:0 16px;overflow:visible;
  }
  .side-nav::before{display:none;}
  .side-brand{padding:0;}
  .brand-text strong{color:var(--brand-900);}
  .brand-text em{color:var(--brand-600);}
  .nav-toggle{display:flex;}
  .side-divider,.side-foot{display:none;}
  .side-links{
    position:absolute;top:60px;left:0;right:0;
    display:none;grid-template-columns:1fr 1fr;gap:2px;
    background:var(--brand-800);padding:10px 8px 14px;
    max-height:calc(100vh - 60px);overflow-y:auto;
    box-shadow:0 18px 30px rgba(8,37,28,.24);
  }
  .side-links.open{display:grid;}
  .side-links a{height:48px;padding:0 14px;font-size:15px;border-radius:10px;}
  .side-links a::before{display:none;}
  .site-main{margin-left:0;}
  .page-wrap{padding:28px 20px 56px;}
  .article-main{padding:28px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  .article-side{grid-template-columns:minmax(0,1fr);}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .meta-row .share-group{margin-left:0;width:100%;}
  .article-foot{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .page-wrap{padding:22px 16px 48px;}
  .article-main{padding:20px;border-radius:18px;}
  .article-title{font-size:26px;}
  .article-body{font-size:16px;}
  .btn-main,.btn-ghost{width:100%;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-inner{padding:44px 16px 20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:18px;width:44px;height:44px;}
  .side-links{grid-template-columns:minmax(0,1fr);}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* roulang page: category2 */
:root{
  --brand-900:#08251C;
  --brand-800:#0B3D2E;
  --brand-600:#127A5A;
  --brand-400:#2FB98A;
  --lime:#C6F24E;
  --lime-soft:#E6FBB4;
  --orange:#FF7A2F;
  --orange-deep:#E85A12;
  --ink:#10231C;
  --ink-2:#3C4F47;
  --muted:#6E817A;
  --line:#DCE5DF;
  --paper:#F6F5EF;
  --paper-2:#EDF3EE;
  --card:#FFFFFF;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:14px;
  --shadow-sm:0 10px 30px rgba(11,61,46,.07);
  --shadow-lg:0 18px 44px rgba(11,61,46,.14);
  --ease:.22s cubic-bezier(.3,.7,.4,1);
  --sans:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"DIN Alternate","Barlow",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-600);text-decoration:none;transition:color var(--ease),background var(--ease),transform var(--ease)}
a:hover{color:var(--brand-800)}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;line-height:1.25}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

/* ---------- 侧栏导航 ---------- */
.side-nav{
  position:fixed;left:0;top:0;bottom:0;
  width:240px;height:100vh;z-index:1030;
  display:flex;flex-direction:column;
  background:linear-gradient(160deg,#0B3D2E 0%,#127A5A 62%,#2FB98A 100%);
  color:#fff;overflow:hidden;
}
.side-nav::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:14px 14px;opacity:.26;
}
.side-nav > *{position:relative;z-index:1}
.side-logo{
  display:flex;align-items:center;gap:12px;
  padding:24px 22px;border-bottom:1px solid rgba(255,255,255,.12);
}
.brand-mark{
  width:38px;height:38px;flex:0 0 auto;border-radius:12px;
  background:var(--lime);color:var(--brand-900);
  display:grid;place-items:center;font-size:19px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:800;color:#fff}
.brand-text em{font-size:12px;font-style:normal;letter-spacing:.2em;color:rgba(255,255,255,.72)}
.side-links{
  display:flex;flex-direction:column;
  padding:14px 0;flex:1 1 auto;overflow-y:auto;
}
.side-links a{
  position:relative;display:flex;align-items:center;gap:10px;
  min-height:44px;padding:10px 20px 10px 24px;
  font-size:15px;color:rgba(255,255,255,.82);
}
.side-links a i{font-size:17px;width:20px;text-align:center;color:rgba(255,255,255,.7);transition:color var(--ease)}
.side-links a::before{
  content:"";position:absolute;left:0;top:50%;
  width:3px;height:22px;background:var(--lime);
  border-radius:0 3px 3px 0;
  transform:translateY(-50%) scaleY(0);
  transition:transform var(--ease);
}
.side-links a:hover{background:rgba(255,255,255,.08);color:#fff}
.side-links a:hover i{color:var(--lime)}
.side-links a:hover::before{transform:translateY(-50%) scaleY(1)}
.side-links a.active{background:rgba(255,255,255,.12);color:#fff;font-weight:700}
.side-links a.active i{color:var(--lime)}
.side-links a.active::before{transform:translateY(-50%) scaleY(1)}
.side-links a.active::after{
  content:"";margin-left:auto;width:6px;height:6px;border-radius:50%;background:var(--lime);
}
.side-links::-webkit-scrollbar{width:4px}
.side-links::-webkit-scrollbar-thumb{background:rgba(255,255,255,.2);border-radius:2px}
.side-foot{margin-top:auto;padding:18px 20px 22px;border-top:1px solid rgba(255,255,255,.12)}
.side-foot .mini-note{
  display:flex;align-items:center;gap:8px;
  font-size:12px;line-height:1.6;color:rgba(255,255,255,.62);margin-bottom:12px;
}
.side-foot .mini-note .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);flex:0 0 auto}
.btn-lime{
  display:flex;align-items:center;justify-content:center;gap:6px;
  width:100%;height:42px;border-radius:999px;border:0;
  background:var(--lime);color:var(--brand-900);
  font-size:14px;font-weight:700;transition:all var(--ease);
}
.btn-lime:hover{filter:brightness(.94);color:var(--brand-900);transform:translateY(-1px)}
.side-foot .copyright{font-size:12px;color:rgba(255,255,255,.5);margin:12px 0 0;line-height:1.6}

/* ---------- 移动端顶部导航 ---------- */
.mobile-bar{display:none}
@media (max-width:991px){
  .side-nav{display:none}
  .mobile-bar{
    display:block;position:sticky;top:0;z-index:1040;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 4px 18px rgba(11,61,46,.06);
  }
  .m-bar-row{display:flex;align-items:center;justify-content:space-between;height:60px;padding:0 18px}
  .m-logo{display:flex;align-items:center;gap:10px}
  .m-logo .brand-text strong{color:var(--brand-800)}
  .m-logo .brand-text em{color:var(--muted);letter-spacing:.16em}
  .nav-toggle{
    width:44px;height:44px;border:0;background:transparent;
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
    border-radius:12px;cursor:pointer;
  }
  .nav-toggle span{display:block;width:20px;height:2px;background:var(--brand-800);border-radius:2px;transition:transform var(--ease),opacity var(--ease)}
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .mobile-panel{display:none;background:var(--brand-800);padding:0}
  .mobile-panel.open{display:block}
  .m-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:12px 16px 20px}
  .m-grid a{
    display:flex;align-items:center;min-height:48px;padding:0 12px;
    border-radius:12px;font-size:15px;color:rgba(255,255,255,.86);
  }
  .m-grid a:hover{background:rgba(255,255,255,.1);color:#fff}
  .m-grid a.active{background:rgba(255,255,255,.14);color:#fff;font-weight:700}
}

/* ---------- 页面骨架 ---------- */
.page-shell{
  padding-left:240px;min-height:100vh;
  display:flex;flex-direction:column;
}
@media (max-width:1199px){.page-shell{padding-left:208px}}
@media (max-width:991px){.page-shell{padding-left:0}}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.wrap{padding:0 32px}}

/* ---------- 页头 banner ---------- */
.page-banner{
  position:relative;overflow:hidden;color:#fff;
  padding:40px 0 44px;
  background:radial-gradient(120% 130% at 14% 6%,#127A5A 0%,#0B3D2E 56%,#08251C 100%);
  border-radius:0 0 var(--r-lg) var(--r-lg);
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.15;
}
.page-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.24) 1px,transparent 1px);
  background-size:16px 16px;opacity:.2;
}
.page-banner .wrap{position:relative;z-index:2}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.66);margin-bottom:16px;
}
.crumb a{color:rgba(255,255,255,.84)}
.crumb a:hover{color:var(--lime)}
.crumb .sep{opacity:.5}
.crumb .now{color:rgba(255,255,255,.95)}
.banner-row{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;flex-wrap:wrap;
}
.banner-row h1{
  color:#fff;font-size:clamp(28px,3.2vw,42px);line-height:1.15;font-weight:700;
  max-width:760px;
}
.banner-sub{
  margin:14px 0 0;font-size:16px;line-height:1.75;
  color:rgba(255,255,255,.82);max-width:620px;
}
.badge-lime{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--lime);color:var(--brand-900);
  border-radius:999px;padding:8px 16px;
  font-size:13px;font-weight:700;white-space:nowrap;
}
.badge-lime .num{font-family:var(--mono);font-weight:700}
.badge-lime .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-600)}

/* ---------- 板块 ---------- */
.section{padding:72px 0}
.section.tight{padding:0 0 72px}
.section.alt{background:var(--paper-2)}
@media (max-width:767px){.section{padding:48px 0}.section.tight{padding:0 0 48px}}
.sec-head{max-width:720px;margin-bottom:32px}
.sec-head h2{font-size:clamp(24px,2.2vw,32px);font-weight:700}
.sec-head p{margin:12px 0 0;font-size:15px;color:var(--ink-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-600);
  margin-bottom:12px;
}
.eyebrow .bar{width:22px;height:3px;border-radius:2px;background:var(--brand-400)}

/* ---------- 通用卡片 ---------- */
.panel{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow-sm);padding:32px;
}
.panel-sm{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--shadow-sm);padding:24px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.panel-sm:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#C9D9CF}
@media (max-width:575px){.panel{padding:22px}.panel-sm{padding:20px}}

/* ---------- 介绍两栏 ---------- */
.intro-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:center}
@media (max-width:900px){.intro-grid{grid-template-columns:1fr;gap:24px}}
.intro-grid h2{font-size:clamp(24px,2.2vw,32px);font-weight:700;margin-bottom:16px}
.intro-grid p{color:var(--ink-2);font-size:15.5px}
.feature-list{margin-top:20px;display:grid;gap:12px}
.feature-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-2)}
.feature-list li i{
  color:var(--brand-600);font-size:16px;margin-top:4px;flex:0 0 auto;
}
.figure{
  position:relative;overflow:hidden;border-radius:20px;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
  aspect-ratio:4/3;background:var(--paper-2);
}
.figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.figure:hover img{transform:scale(1.04)}
.figure .fig-badge{
  position:absolute;left:16px;bottom:16px;
  background:rgba(8,37,28,.78);color:#fff;
  border-radius:999px;padding:6px 14px;font-size:12.5px;font-weight:600;
  backdrop-filter:blur(4px);
}
.figure.wide{aspect-ratio:16/10}

/* ---------- 四步时间线 ---------- */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:21px;top:14px;bottom:20px;width:2px;
  background:linear-gradient(180deg,var(--brand-400),var(--lime));
  border-radius:2px;
}
.step{
  position:relative;display:grid;grid-template-columns:44px 1fr;
  gap:20px;padding-bottom:28px;
}
.step:last-child{padding-bottom:0}
.step-dot{
  width:44px;height:44px;border-radius:50%;background:#fff;
  border:2px solid var(--brand-400);color:var(--brand-800);
  display:grid;place-items:center;font-family:var(--mono);
  font-size:14px;font-weight:700;position:relative;z-index:1;
  box-shadow:0 6px 16px rgba(11,61,46,.1);
}
.step-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 24px;box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease);
}
.step-body:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.step-body h3{font-size:19px;font-weight:600;margin-bottom:8px}
.step-body p{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.step-meta{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:12px;font-size:12.5px;font-weight:600;color:var(--brand-600);
  background:var(--lime-soft);border-radius:999px;padding:4px 12px;
}
@media (max-width:575px){
  .step{grid-template-columns:38px 1fr;gap:14px}
  .step-dot{width:38px;height:38px;font-size:13px}
  .timeline::before{left:18px}
  .step-body{padding:16px 18px}
}

/* ---------- 三卡通栏 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:991px){.card-grid{grid-template-columns:1fr 1fr}}
@media (max-width:639px){.card-grid{grid-template-columns:1fr}}
.info-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--shadow-sm);height:100%;
  transition:transform var(--ease),box-shadow var(--ease);
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.icon-block{
  width:44px;height:44px;border-radius:14px;background:var(--lime);
  color:var(--brand-900);display:grid;place-items:center;
  font-size:20px;margin-bottom:16px;
}
.info-card h3{font-size:19px;font-weight:600;margin-bottom:8px}
.info-card p{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.info-card .mono-note{
  display:inline-block;margin-top:14px;font-family:var(--mono);
  font-size:13px;font-weight:700;color:var(--brand-800);
  background:var(--paper-2);border-radius:8px;padding:4px 10px;
}

/* ---------- 提示 + 图 组合 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
@media (max-width:900px){.split{grid-template-columns:1fr;gap:24px}}
.note-list{display:grid;gap:14px;margin-top:20px}
.note-list li{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:16px 18px;box-shadow:var(--shadow-sm);
  transition:transform var(--ease),border-color var(--ease);
}
.note-list li:hover{transform:translateX(3px);border-color:#C9D9CF}
.note-list .tag-num{
  font-family:var(--mono);font-size:13px;font-weight:700;
  color:var(--brand-800);background:var(--lime-soft);
  border-radius:8px;padding:2px 9px;flex:0 0 auto;margin-top:2px;
}
.note-list strong{display:block;font-size:15.5px;font-weight:600;color:var(--ink)}
.note-list span.desc{display:block;font-size:14px;color:var(--ink-2);line-height:1.75}

/* ---------- CTA ---------- */
.cta-wrap{padding:0 0 56px}
.cta-card{
  position:relative;overflow:hidden;color:#fff;
  border-radius:var(--r-lg);padding:40px;
  background:linear-gradient(120deg,#0B3D2E 0%,#127A5A 55%,#2FB98A 100%);
  box-shadow:0 20px 46px rgba(11,61,46,.2);
  display:grid;grid-template-columns:1.5fr 1fr;gap:32px;align-items:center;
}
.cta-card::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
  border-radius:50%;background:rgba(198,242,78,.14);
}
.cta-card > *{position:relative;z-index:1}
.cta-card h2{color:#fff;font-size:clamp(22px,2.2vw,30px);font-weight:700;margin-bottom:12px}
.cta-card p{color:rgba(255,255,255,.84);font-size:15px;margin:0}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.pill-points{display:grid;gap:12px}
.pill-points li{
  display:flex;align-items:center;gap:10px;
  border:1.5px solid rgba(255,255,255,.45);border-radius:999px;
  padding:10px 18px;font-size:14px;color:#fff;
}
.pill-points li i{color:var(--lime);font-size:15px}
@media (max-width:900px){.cta-card{grid-template-columns:1fr;padding:28px}}
@media (max-width:575px){.cta-card{padding:24px}.cta-actions .btn-main,.cta-actions .btn-light{width:100%}}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;transition:all var(--ease);text-align:center;
}
.btn-main{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(255,122,47,.24)}
.btn-main:hover{background:var(--orange-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,122,47,.32)}
.btn-main:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,122,47,.24)}
.btn-ghost{background:transparent;border-color:var(--brand-600);color:var(--brand-800)}
.btn-ghost:hover{background:var(--lime-soft);border-color:var(--brand-800);color:var(--brand-800);transform:translateY(-2px)}
.btn-light{background:transparent;border-color:rgba(255,255,255,.7);color:#fff}
.btn-light:hover{background:#fff;color:var(--brand-800);transform:translateY(-2px)}
.link-back{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:600;color:var(--brand-600);
  padding:6px 0;
}
.link-back:hover{color:var(--brand-800);gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-900);color:rgba(255,255,255,.72);
  padding:56px 0 24px;margin-top:auto;
}
.footer-inner{max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.footer-inner{padding:0 32px}}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:639px){.footer-grid{grid-template-columns:1fr;gap:24px}}
.site-footer .brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.site-footer .brand-text strong{color:#fff}
.site-footer .brand-text em{color:rgba(255,255,255,.6)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);margin:0;max-width:280px}
.footer-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{
  display:inline-block;font-size:14px;color:rgba(255,255,255,.72);
  transition:color var(--ease),transform var(--ease);
}
.footer-col ul a:hover{color:var(--lime);transform:translateX(2px)}
.footer-col p{font-size:14px;color:rgba(255,255,255,.72);margin:0 0 10px;line-height:1.8}
.footer-col p.muted-line{font-size:13px;color:rgba(255,255,255,.52)}
.footer-bottom{
  margin-top:36px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12.5px;color:rgba(255,255,255,.52);
}
.footer-bottom .risk{color:rgba(255,255,255,.45)}
@media (max-width:575px){.footer-bottom{flex-direction:column;gap:8px}}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: category3 */
:root{
  --brand-900:#08251C;
  --brand-800:#0B3D2E;
  --brand-600:#127A5A;
  --brand-400:#2FB98A;
  --lime:#C6F24E;
  --lime-soft:#E6FBB4;
  --orange:#FF7A2F;
  --orange-deep:#E85A12;
  --ink:#10231C;
  --ink-2:#3C4F47;
  --muted:#6E817A;
  --line:#DCE5DF;
  --paper:#F6F5EF;
  --paper-2:#EDF3EE;
  --card:#FFFFFF;
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:14px;
  --shadow-1:0 10px 30px rgba(11,61,46,.07);
  --shadow-2:0 18px 44px rgba(11,61,46,.14);
  --ease:cubic-bezier(.3,.7,.4,1);
  --sidebar:240px;
  --num-font:"DIN Alternate","Barlow",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:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:15.5px;
  line-height:1.8;
  color:var(--ink-2);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em}
p{margin:0}
a{color:var(--brand-600);text-decoration:none;transition:color .22s var(--ease),background-color .22s var(--ease),transform .22s var(--ease)}
a:hover{color:var(--brand-800)}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.num{font-family:var(--num-font);font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:-.02em}

/* ============ 侧栏导航 ============ */
.side-nav{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar);
  z-index:1030;
  display:flex;
  flex-direction:column;
  overflow-y:auto;
  background:linear-gradient(165deg,#0B3D2E 0%,#127A5A 58%,#08251C 100%);
  scrollbar-width:thin;
  scrollbar-color:rgba(255,255,255,.24) transparent;
}
.side-nav::-webkit-scrollbar{width:4px}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.2);border-radius:4px}
.side-nav::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.18) 1px,transparent 1px);
  background-size:15px 15px;opacity:.42;
}
.side-nav > *{position:relative;z-index:1}
.brand{display:flex;align-items:center;gap:12px;color:#fff;padding:28px 24px}
.brand:hover{color:#fff}
.brand-mark{
  width:36px;height:36px;flex:0 0 auto;border-radius:12px;
  background:var(--lime);color:var(--brand-900);
  display:grid;place-items:center;font-size:19px;
  box-shadow:0 6px 16px rgba(198,242,78,.24);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.01em;color:#fff}
.brand-text em{font-style:normal;font-size:12.5px;letter-spacing:.34em;color:rgba(255,255,255,.72);margin-top:4px}
.nav-divider{height:1px;background:rgba(255,255,255,.12);margin:0 24px 8px}
.side-links{display:flex;flex-direction:column;padding:4px 0 12px}
.side-links a{
  position:relative;
  display:flex;align-items:center;gap:10px;
  min-height:44px;padding:0 24px;
  font-size:15px;color:rgba(255,255,255,.82);
  transition:background .22s var(--ease),color .22s var(--ease);
}
.side-links a i{font-size:18px;opacity:.9;flex:0 0 auto}
.side-links a::before{
  content:"";position:absolute;left:0;top:50%;width:3px;height:24px;
  background:var(--lime);border-radius:0 3px 3px 0;
  transform:translateY(-50%) scaleY(0);transform-origin:center;
  transition:transform .22s var(--ease);
}
.side-links a:hover{background:rgba(255,255,255,.08);color:#fff}
.side-links a:hover::before{transform:translateY(-50%) scaleY(1)}
.side-links a.active{background:rgba(255,255,255,.12);color:#fff;font-weight:700}
.side-links a.active::before{transform:translateY(-50%) scaleY(1)}
.side-links a.active::after{
  content:"";position:absolute;right:20px;width:6px;height:6px;border-radius:50%;background:var(--lime);
}
.side-foot{margin-top:auto;padding:20px 24px 24px;border-top:1px solid rgba(255,255,255,.12)}
.side-foot .btn-lime{
  display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;height:44px;border-radius:999px;
  background:var(--lime);color:var(--brand-900);
  font-size:14.5px;font-weight:700;
  transition:filter .22s var(--ease),transform .22s var(--ease);
}
.side-foot .btn-lime:hover{filter:brightness(.94);transform:translateY(-1px);color:var(--brand-900)}
.side-foot .side-note{margin-top:12px;font-size:12px;line-height:1.6;color:rgba(255,255,255,.5)}

/* ============ 移动端顶栏 ============ */
.mobile-bar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:60px;z-index:1040;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 4px 18px rgba(11,61,46,.06);
  align-items:center;justify-content:space-between;
  padding:0 16px;
}
.brand-sm{padding:0;gap:10px}
.brand-sm:hover{color:var(--brand-800)}
.brand-sm .brand-mark{width:30px;height:30px;border-radius:9px;font-size:16px;box-shadow:none}
.brand-sm .brand-text strong{color:var(--brand-800);font-size:15px;letter-spacing:0}
.brand-sm .brand-text em{color:var(--muted);font-size:10.5px;letter-spacing:.22em;margin-top:1px}
.nav-toggle{
  width:44px;height:44px;border:0;background:transparent;border-radius:12px;
  display:grid;place-items:center;cursor:pointer;padding:0;
}
.nav-toggle span{
  display:block;width:20px;height:2px;border-radius:2px;background:var(--brand-800);
  margin:2.5px 0;transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-panel{
  display:none;position:fixed;top:60px;left:0;right:0;z-index:1039;
  background:var(--brand-800);
  padding:14px 16px 22px;
  box-shadow:0 18px 30px rgba(8,37,28,.28);
  max-height:calc(100vh - 60px);overflow-y:auto;
}
.mobile-panel.open{display:block}
.mobile-links{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.mobile-links a{
  display:flex;align-items:center;gap:8px;min-height:48px;padding:0 12px;
  font-size:15px;color:rgba(255,255,255,.85);border-radius:10px;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.mobile-links a i{font-size:16px;opacity:.9}
.mobile-links a:hover{background:rgba(255,255,255,.08);color:#fff}
.mobile-links a.active{background:rgba(255,255,255,.14);color:#fff;font-weight:700}

/* ============ 布局骨架 ============ */
.layout{
  margin-left:var(--sidebar);
  min-height:100vh;
  display:flex;flex-direction:column;
}
.shell{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ============ 页头 Banner ============ */
.page-banner{
  position:relative;overflow:hidden;
  display:flex;align-items:center;
  min-height:250px;padding:44px 0 46px;
  background:radial-gradient(130% 150% at 6% 0%,#127A5A 0%,#0B3D2E 54%,#08251C 100%);
  color:#fff;
}
.page-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.2) 1px,transparent 1px);
  background-size:16px 16px;opacity:.4;
}
.banner-inner{position:relative;z-index:1;width:100%}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.62);margin-bottom:16px;
}
.crumbs a{color:rgba(255,255,255,.82)}
.crumbs a:hover{color:var(--lime)}
.crumbs .sep{color:rgba(255,255,255,.38)}
.page-banner h1{
  color:#fff;
  font-size:clamp(28px,3.2vw,42px);
  line-height:1.2;
  font-weight:700;
  max-width:18em;
}
.page-banner .lede{
  margin-top:14px;max-width:38em;
  font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.82);
}
.badge-solid{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:22px;padding:7px 15px;border-radius:999px;
  background:var(--lime);color:var(--brand-900);
  font-size:13px;font-weight:700;
}
.badge-solid::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-600)}
.badge-solid .num{font-size:13px}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
.section.alt{background:var(--paper-2)}
.section-head{max-width:760px;margin-bottom:32px}
.eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--lime-soft);color:var(--brand-800);
  border-radius:999px;padding:5px 13px;
  font-size:12.5px;font-weight:700;margin-bottom:14px;letter-spacing:.02em;
}
.section-head h2{font-size:clamp(24px,2.2vw,32px);line-height:1.28}
.section-head p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ============ 介绍模块 ============ */
.intro-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-1);border:1px solid var(--line)}
.intro-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s var(--ease)}
.intro-media:hover img{transform:scale(1.04)}
.intro-float{
  position:absolute;left:16px;bottom:16px;right:16px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);border-radius:14px;
  padding:12px 16px;display:flex;align-items:center;gap:10px;
  box-shadow:0 10px 26px rgba(11,61,46,.14);
}
.intro-float .dot-live{
  width:9px;height:9px;border-radius:50%;background:var(--brand-400);flex:0 0 auto;
  box-shadow:0 0 0 4px rgba(198,242,78,.5);
}
.intro-float span{font-size:13px;color:var(--ink-2);font-weight:600}
.intro-text p{font-size:15.5px;line-height:1.9;color:var(--ink-2)}
.intro-text p + p{margin-top:16px}
.intro-text h2{font-size:clamp(24px,2.2vw,32px);line-height:1.28;margin-bottom:18px}
.intro-points{
  display:grid;gap:10px;margin-top:24px;
}
.intro-points li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14.5px;color:var(--ink-2);
}
.intro-points li i{color:var(--brand-600);font-size:16px;margin-top:4px}

/* ============ 数据徽章矩阵 ============ */
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.metric-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#C9D8CF}
.metric-card .corner{
  position:absolute;top:16px;right:16px;
  font-size:11.5px;font-weight:700;padding:3px 10px;border-radius:999px;
  background:var(--lime-soft);color:var(--brand-800);
}
.metric-card .num{display:block;font-size:36px;line-height:1.05;color:var(--brand-800)}
.metric-card .num small{font-size:15px;margin-left:4px;font-weight:700;color:var(--brand-600);letter-spacing:0}
.metric-desc{margin-top:12px;font-size:13px;line-height:1.7;color:var(--muted)}

/* ============ 要点列表 ============ */
.tip-block{margin-top:40px}
.tip-block h3{font-size:19px;line-height:1.4;margin-bottom:18px}
.point-list{display:grid;gap:14px}
.point-list li{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:16px 20px 16px 44px;
  font-size:14.5px;line-height:1.8;color:var(--ink-2);
  transition:box-shadow .22s var(--ease),transform .22s var(--ease);
}
.point-list li:hover{box-shadow:var(--shadow-1);transform:translateY(-2px)}
.point-list li::before{
  content:"";position:absolute;left:20px;top:25px;
  width:9px;height:9px;border-radius:50%;
  background:var(--brand-600);
  box-shadow:0 0 0 4px rgba(198,242,78,.55);
}
.point-list li strong{color:var(--ink);font-weight:700}

/* ============ 设备适配卡片 ============ */
.device-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.device-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  display:flex;flex-direction:column;
}
.device-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.device-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--paper-2)}
.device-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.device-card:hover .device-thumb img{transform:scale(1.04)}
.device-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.device-body h3{font-size:17px;line-height:1.4}
.device-body p{font-size:13.5px;line-height:1.75;color:var(--muted)}
.device-tag{
  align-self:flex-start;margin-top:auto;
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;color:var(--brand-800);
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:999px;padding:4px 11px;
}
.device-tag .num{font-size:12px}

/* ============ CTA 大卡 ============ */
.cta-wrap{padding:72px 0 64px}
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,#0B3D2E 0%,#127A5A 58%,#2FB98A 100%);
  border-radius:var(--radius-lg);
  padding:40px;
  display:flex;flex-wrap:wrap;gap:32px;
  align-items:center;justify-content:space-between;
  color:#fff;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,242,78,.24) 0%,rgba(198,242,78,0) 68%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:560px}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.2vw,30px);line-height:1.3}
.cta-copy p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.82)}
.cta-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.cta-list li{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:#fff;
  border:1px solid rgba(198,242,78,.6);
  border-radius:999px;padding:5px 13px;
}
.cta-list li i{color:var(--lime);font-size:13px}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px}

/* ============ 按钮 ============ */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:0;border-radius:999px;
  background:var(--orange);color:#fff;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-main:hover{background:var(--orange-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,122,47,.32)}
.btn-main:active{transform:none;box-shadow:none}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  border:1.5px solid var(--brand-600);
  background:transparent;color:var(--brand-800);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn-ghost:hover{background:var(--lime-soft);border-color:var(--brand-800);color:var(--brand-800);transform:translateY(-2px)}
.btn-on-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  border:1.5px solid rgba(255,255,255,.7);
  background:transparent;color:#fff;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.btn-on-dark:hover{background:#fff;color:var(--brand-800);transform:translateY(-2px)}

/* ============ 返回链接 ============ */
.back-row{display:flex;justify-content:flex-start;padding-bottom:64px}
.back-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:600;color:var(--brand-600);
  padding:8px 2px;
}
.back-link:hover{color:var(--brand-800);gap:12px}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);margin-top:auto}
.footer-inner{max-width:1240px;margin:0 auto;padding:0 24px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;
  gap:32px;padding:56px 0 36px;
}
.footer-brand .brand{padding:0 0 16px;gap:12px}
.footer-brand .brand:hover{color:#fff}
.footer-brand p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.6);max-width:25em}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;display:inline-block}
.footer-col a:hover{color:var(--lime);transform:translateX(2px)}
.footer-col p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.68)}
.footer-col .muted-line{color:rgba(255,255,255,.45);font-size:12.5px;margin-top:8px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:18px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.5);
}
.footer-bottom .risk{color:rgba(255,255,255,.45)}

/* ============ 响应式 ============ */
@media (max-width:1399px){
  .shell{max-width:1240px}
}
@media (max-width:1199px){
  :root{--sidebar:208px}
  .side-links a{padding:0 20px;font-size:14.5px}
  .brand{padding:26px 20px}
  .side-foot{padding:18px 20px 22px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:991px){
  .side-nav{display:none}
  .mobile-bar{display:flex}
  .layout{margin-left:0;padding-top:60px}
  .page-banner{min-height:0;padding:36px 0 40px}
  .section{padding:56px 0}
  .cta-wrap{padding:56px 0 48px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .device-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;padding:44px 0 30px}
  .cta-band{padding:32px}
}
@media (max-width:767px){
  .shell{padding:0 18px}
  .footer-inner{padding:0 18px}
  .cta-band{padding:28px 22px;gap:24px}
  .cta-actions{width:100%}
  .cta-actions .btn-main,.cta-actions .btn-on-dark{flex:1 1 auto}
  .back-row{padding-bottom:48px}
}
@media (max-width:575px){
  body{font-size:15px}
  .shell{padding:0 16px}
  .footer-inner{padding:0 16px}
  .section{padding:48px 0}
  .page-banner h1{font-size:26px}
  .metric-grid{grid-template-columns:1fr}
  .device-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .cta-band{padding:26px 20px}
  .cta-actions{flex-direction:column}
  .btn-main,.btn-ghost,.btn-on-dark{width:100%}
  .mobile-links{grid-template-columns:1fr}
  .metric-card .num{font-size:32px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category4 */
:root{
  --brand-900:#08251C;
  --brand-800:#0B3D2E;
  --brand-600:#127A5A;
  --brand-400:#2FB98A;
  --lime:#C6F24E;
  --lime-soft:#E6FBB4;
  --orange:#FF7A2F;
  --orange-deep:#E85A12;
  --ink:#10231C;
  --ink-2:#3C4F47;
  --muted:#6E817A;
  --line:#DCE5DF;
  --paper:#F6F5EF;
  --paper-2:#EDF3EE;
  --card:#FFFFFF;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:14px;
  --sh:0 10px 30px rgba(11,61,46,.07);
  --sh-hover:0 18px 44px rgba(11,61,46,.14);
  --grad-brand:linear-gradient(120deg,#0B3D2E 0%,#127A5A 55%,#2FB98A 100%);
  --grad-lime:linear-gradient(100deg,#C6F24E 0%,#8FE06A 100%);
  --font-num:"DIN Alternate","Barlow",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --ease:cubic-bezier(.3,.7,.4,1);
  --side-w:240px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15.5px;
  line-height:1.8;
  color:var(--ink-2);
  background:var(--paper);
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);letter-spacing:-.01em;font-weight:700;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
a{color:var(--brand-600);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--brand-800);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- 侧栏导航 ---------- */
.side-nav{
  position:fixed;left:0;top:0;bottom:0;width:var(--side-w);
  background:var(--grad-brand);
  color:#fff;z-index:1040;
  display:flex;flex-direction:column;
  overflow-y:auto;overflow-x:hidden;
}
.side-nav::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.28) 1px,transparent 1px);
  background-size:15px 15px;opacity:.22;
}
.side-nav>*{position:relative;z-index:1;}
.side-nav::-webkit-scrollbar{width:4px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.2);border-radius:99px;}
.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;flex:0 0 36px;
  background:var(--lime);color:var(--brand-900);
  display:grid;place-items:center;font-size:18px;
}
.brand-text strong{display:block;font-size:16px;font-weight:800;line-height:1.1;letter-spacing:-.01em;}
.brand-text em{display:block;font-style:normal;font-size:11px;letter-spacing:.22em;opacity:.78;margin-top:3px;}
.side-brand{padding:26px 22px 20px;}
.side-divider{height:1px;background:rgba(255,255,255,.12);margin:0 22px;}
.side-links{display:flex;flex-direction:column;padding:14px 0 8px;}
.side-links a{
  position:relative;display:flex;align-items:center;gap:10px;
  min-height:44px;padding:0 22px;
  font-size:15px;color:rgba(255,255,255,.82);
  border-left:3px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.side-links a i{font-size:17px;width:18px;text-align:center;opacity:.9;}
.side-links a:hover{background:rgba(255,255,255,.08);color:#fff;border-left-color:var(--lime);}
.side-links a.active{color:#fff;font-weight:700;background:rgba(255,255,255,.12);border-left-color:var(--lime);}
.side-links a.active::after{
  content:"";margin-left:auto;width:7px;height:7px;border-radius:50%;background:var(--lime);
}
.side-foot{margin-top:auto;padding:18px 22px 22px;}
.side-foot .b-lime{width:100%;height:44px;font-size:14.5px;}
.side-note{margin-top:14px;font-size:12px;line-height:1.7;color:rgba(255,255,255,.5);}

/* ---------- 移动端导航 ---------- */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:1050;
  height:60px;align-items:center;justify-content:space-between;
  padding:0 16px;background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 4px 18px rgba(11,61,46,.06);
}
.mobile-bar .brand{color:var(--brand-800);gap:10px;}
.mobile-bar .brand-mark{width:32px;height:32px;flex:0 0 32px;font-size:16px;}
.mobile-bar .brand-text strong{font-size:15px;}
.mobile-bar .brand-text em{font-size:10px;letter-spacing:.18em;color:var(--muted);}
.menu-toggle{
  width:44px;height:44px;border:0;background:transparent;
  display:grid;place-items:center;gap:0;cursor:pointer;border-radius:12px;
}
.menu-toggle span{
  display:block;width:20px;height:2px;margin:2.5px auto;border-radius:2px;
  background:var(--brand-800);transition:transform .25s var(--ease),opacity .2s var(--ease);
}
.menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle.is-open span:nth-child(2){opacity:0;}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-panel{
  display:none;position:fixed;left:0;right:0;top:60px;bottom:0;
  background:var(--brand-800);z-index:1045;overflow-y:auto;padding:18px 16px 32px;
}
.mobile-panel.open{display:block;}
.mobile-links{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.mobile-links a{
  display:flex;align-items:center;gap:8px;min-height:48px;padding:0 14px;
  border-radius:14px;background:rgba(255,255,255,.07);
  color:rgba(255,255,255,.86);font-size:14.5px;
}
.mobile-links a.active{background:var(--lime);color:var(--brand-900);font-weight:700;}
.mobile-links a i{font-size:16px;}

/* ---------- 主体 ---------- */
.page-main{margin-left:var(--side-w);padding-bottom:8px;}

/* ---------- 页头 banner ---------- */
.page-banner{
  position:relative;overflow:hidden;color:#fff;padding:50px 0 56px;
  background:radial-gradient(125% 130% at 86% -10%,#2FB98A 0%,#127A5A 36%,#0B3D2E 68%,#08251C 100%);
}
.page-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.3) 1px,transparent 1px);
  background-size:16px 16px;opacity:.3;
}
.page-banner .wrap{position:relative;z-index:1;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.68);margin-bottom:18px;
}
.crumb a{color:rgba(255,255,255,.82);}
.crumb a:hover{color:var(--lime);}
.crumb .sep{opacity:.55;}
.page-banner h1{
  color:#fff;font-size:clamp(28px,3.1vw,42px);line-height:1.18;font-weight:800;
  max-width:860px;
}
.banner-lead{
  max-width:660px;margin:16px 0 22px;
  font-size:16px;line-height:1.8;color:rgba(255,255,255,.84);
}
.badge-lime{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--lime);color:var(--brand-900);
  border-radius:999px;padding:6px 14px;font-size:13px;font-weight:700;
}
.badge-lime .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-600);}
.badge-lime .num{font-family:var(--font-num);font-weight:700;}
.banner-badges{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- 区块通用 ---------- */
.section{padding:72px 0;}
.section.alt{background:var(--paper-2);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:28px;margin-bottom:32px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--brand-600);text-transform:uppercase;margin-bottom:10px;
}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--lime);}
.section-head h2{font-size:clamp(22px,2.2vw,30px);line-height:1.28;}
.head-note{max-width:340px;font-size:14px;color:var(--muted);line-height:1.7;margin:0;}

/* ---------- 图文介绍 ---------- */
.intro-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;}
.intro-copy h2{font-size:clamp(22px,2.2vw,30px);margin-bottom:16px;}
.intro-copy p{font-size:15.5px;color:var(--ink-2);}
.check-list{margin-top:22px;display:grid;gap:12px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:14px 16px;box-shadow:var(--sh);
  font-size:14.5px;color:var(--ink-2);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.check-list li:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.check-list li i{color:var(--brand-600);font-size:17px;margin-top:3px;flex:0 0 auto;}
.check-list strong{color:var(--ink);font-weight:700;}
.figure-card{
  margin:0;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);
}
.figure-card .img-wrap{overflow:hidden;aspect-ratio:4/3;background:var(--paper-2);}
.figure-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.figure-card:hover img{transform:scale(1.04);}
.figure-card figcaption{
  padding:14px 18px;font-size:13px;color:var(--muted);line-height:1.6;
  border-top:1px solid var(--line);
}

/* ---------- 对比表 ---------- */
.table-note{font-size:14px;color:var(--muted);margin-bottom:16px;}
.table-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow-x:auto;overflow-y:hidden;box-shadow:var(--sh);
}
.table-card table{width:100%;min-width:660px;border-collapse:collapse;}
.table-card thead th{
  background:var(--brand-800);color:#fff;
  font-size:13.5px;font-weight:700;letter-spacing:.06em;
  padding:16px 20px;text-align:left;white-space:nowrap;
}
.table-card tbody td{
  padding:16px 20px;font-size:14.5px;line-height:1.7;
  color:var(--ink-2);border-top:1px solid var(--line);vertical-align:top;
}
.table-card tbody tr:nth-child(even){background:var(--paper-2);}
.table-card tbody td:first-child{color:var(--ink);font-weight:700;}
.table-card .num{font-family:var(--font-num);color:var(--brand-600);font-weight:700;}
.table-after{font-size:14px;color:var(--muted);margin-top:16px;}

/* ---------- 现象卡片 ---------- */
.pheno-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.pheno-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;box-shadow:var(--sh);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.pheno-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#c9d8d0;}
.icon-box{
  width:46px;height:46px;border-radius:13px;
  display:grid;place-items:center;font-size:20px;
  background:var(--lime-soft);color:var(--brand-800);margin-bottom:18px;
}
.pheno-card h3{font-size:17px;margin-bottom:10px;}
.pheno-card p{font-size:14.5px;color:var(--ink-2);line-height:1.75;}
.tag{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;
  border:1px solid var(--line);border-radius:999px;
  padding:5px 12px;font-size:12.5px;font-weight:600;color:var(--brand-800);
  background:var(--paper);
}

/* ---------- 反馈准备 ---------- */
.prep-grid{display:grid;grid-template-columns:6fr 6fr;gap:40px;align-items:start;}
.step-list{display:grid;gap:18px;counter-reset:prep;}
.step-list li{
  display:grid;grid-template-columns:44px 1fr;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px;box-shadow:var(--sh);
}
.step-num{
  width:44px;height:44px;border-radius:13px;background:var(--brand-800);color:var(--lime);
  display:grid;place-items:center;font-family:var(--font-num);font-weight:700;font-size:16px;
}
.step-list h3{font-size:16px;margin-bottom:6px;}
.step-list p{font-size:14px;color:var(--ink-2);line-height:1.7;margin:0;}
.info-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh);
}
.info-card .img-wrap{overflow:hidden;aspect-ratio:16/10;background:var(--paper-2);}
.info-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.info-card:hover img{transform:scale(1.04);}
.info-card .info-body{padding:22px 24px;}
.info-card h3{font-size:16px;margin-bottom:14px;}
.info-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
  padding:11px 0;border-top:1px dashed var(--line);font-size:13.5px;color:var(--ink-2);
}
.info-row:first-of-type{border-top:0;padding-top:0;}
.info-row .v{font-family:var(--font-num);font-weight:700;color:var(--brand-800);font-size:14px;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:44px;align-items:start;}
.faq-side h2{font-size:clamp(22px,2.2vw,30px);margin-bottom:14px;}
.faq-side p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  font-size:14.5px;font-weight:700;color:var(--brand-600);
}
.text-link:hover{color:var(--brand-800);}
.text-link i{transition:transform .22s var(--ease);}
.text-link:hover i{transform:translateX(3px);}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  overflow:hidden;transition:background .22s var(--ease),border-color .22s var(--ease);
}
.faq-item.open{background:var(--lime-soft);border-color:#cfe6a6;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;min-height:64px;background:transparent;border:0;
  text-align:left;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;
}
.faq-q .plus{
  width:28px;height:28px;flex:0 0 28px;border-radius:9px;
  background:var(--lime);color:var(--brand-900);
  display:grid;place-items:center;font-size:15px;
  transition:transform .25s var(--ease);
}
.faq-item.open .faq-q .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-item.open .faq-a{max-height:340px;}
.faq-a p{padding:0 20px 20px;font-size:14px;line-height:1.85;color:var(--ink-2);margin:0;}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;
  background:var(--grad-brand);border-radius:var(--r-lg);
  padding:44px 40px;color:#fff;
  display:grid;grid-template-columns:1.5fr 1fr;gap:32px;align-items:center;
}
.cta-card::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;
  border-radius:50%;background:rgba(198,242,78,.14);pointer-events:none;
}
.cta-card h2{color:#fff;font-size:clamp(22px,2.3vw,30px);margin-bottom:14px;position:relative;z-index:1;}
.cta-card p{color:rgba(255,255,255,.82);font-size:15px;max-width:520px;position:relative;z-index:1;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;position:relative;z-index:1;}
.cta-points span{
  display:inline-flex;align-items:center;gap:7px;
  border:1.5px solid rgba(198,242,78,.65);border-radius:999px;
  padding:6px 14px;font-size:13px;color:var(--lime);
}
.cta-actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:1;}
.back-link-row{text-align:center;margin-top:34px;}
.back-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:600;color:var(--brand-600);
}
.back-link:hover{color:var(--brand-800);}

/* ---------- 按钮 ---------- */
.b-orange,.b-outline,.b-light,.b-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  text-decoration:none;border:0;
  transition:background .22s var(--ease),color .22s var(--ease),
             transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.b-orange{background:var(--orange);color:#fff;}
.b-orange:hover{background:var(--orange-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,122,47,.32);}
.b-orange:active{transform:translateY(0);box-shadow:none;}
.b-outline{background:transparent;border:1.5px solid var(--brand-600);color:var(--brand-800);}
.b-outline:hover{background:var(--lime-soft);border-color:var(--brand-800);color:var(--brand-800);}
.b-light{background:transparent;border:1.5px solid rgba(255,255,255,.7);color:#fff;}
.b-light:hover{background:#fff;color:var(--brand-800);border-color:#fff;}
.b-lime{background:var(--lime);color:var(--brand-900);}
.b-lime:hover{background:#b9e73c;color:var(--brand-900);}
.b-orange:focus-visible,.b-outline:focus-visible,.b-light:focus-visible,.b-lime:focus-visible{
  outline:2px solid var(--lime);outline-offset:2px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-left:var(--side-w);
  background:var(--brand-900);color:rgba(255,255,255,.72);
  padding:56px 0 0;margin-top:0;
}
.footer-inner{max-width:1240px;margin:0 auto;padding:0 24px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:40px;}
.footer-brand p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.62);margin-top:16px;max-width:290px;}
.footer-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col ul a{
  display:inline-block;font-size:13.5px;color:rgba(255,255,255,.72);
  transition:color .22s var(--ease),transform .22s var(--ease);
}
.footer-col ul a:hover{color:var(--lime);transform:translateX(2px);}
.footer-col p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.72);margin-bottom:10px;}
.footer-col .muted-line{font-size:12.5px;color:rgba(255,255,255,.5);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.55);
}
.footer-bottom .risk{color:rgba(255,255,255,.45);}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--brand-800);color:#fff;border:0;display:grid;place-items:center;
  font-size:18px;cursor:pointer;z-index:1030;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),background .22s var(--ease),visibility .25s;
  box-shadow:0 10px 26px rgba(11,61,46,.24);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand-600);}

/* ---------- 响应式 ---------- */
@media (min-width:1400px){
  .wrap,.footer-inner{padding-left:32px;padding-right:32px;}
}
@media (max-width:1199.98px){
  :root{--side-w:208px;}
  .intro-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .prep-grid{grid-template-columns:1fr;gap:28px;}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .cta-card{grid-template-columns:1fr;gap:26px;padding:36px 30px;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
}
@media (max-width:991.98px){
  .side-nav{display:none;}
  .mobile-bar{display:flex;}
  .page-main,.site-footer{margin-left:0;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .head-note{max-width:none;}
  .pheno-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:767.98px){
  body{font-size:15px;}
  .page-banner{padding:36px 0 42px;}
  .banner-lead{font-size:15px;}
  .intro-grid{grid-template-columns:1fr;gap:26px;}
  .pheno-grid{grid-template-columns:1fr;}
  .cta-card{padding:30px 22px;border-radius:18px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .b-orange,.cta-actions .b-light{width:100%;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575.98px){
  .wrap,.footer-inner{padding-left:18px;padding-right:18px;}
  .section{padding:44px 0;}
  .mobile-links{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .page-banner h1{font-size:26px;}
  .b-orange,.b-outline,.b-light,.b-lime{width:100%;}
  .faq-q{font-size:15px;padding:16px 16px;}
  .faq-a p{padding:0 16px 18px;}
  .step-list li{grid-template-columns:38px 1fr;padding:16px;}
  .step-num{width:38px;height:38px;font-size:14px;border-radius:11px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;}
}

/* roulang page: category5 */
:root{
  --brand-900:#08251C;--brand-800:#0B3D2E;--brand-600:#127A5A;--brand-400:#2FB98A;
  --lime:#C6F24E;--lime-soft:#E6FBB4;--orange:#FF7A2F;--orange-deep:#E85A12;
  --ink:#10231C;--ink-2:#3C4F47;--muted:#6E817A;--line:#DCE5DF;
  --paper:#F6F5EF;--paper-2:#EDF3EE;--card:#FFFFFF;
  --r-lg:22px;--r-md:16px;--r-sm:14px;
  --shadow:0 10px 30px rgba(11,61,46,.07);
  --shadow-hover:0 18px 44px rgba(11,61,46,.14);
  --ease:cubic-bezier(.3,.7,.4,1);
  --side-w:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;letter-spacing:0;}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-600);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--brand-800)}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;line-height:1.25;font-weight:700}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.num{font-family:"DIN Alternate","Barlow",ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:700;font-variant-numeric:tabular-nums}

/* ============ 布局骨架 ============ */
.page-wrap{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column}
.main{flex:1 0 auto}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ============ 左侧竖栏导航 ============ */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--side-w);height:100vh;z-index:1040;
  display:flex;flex-direction:column;overflow-y:auto;
  background:linear-gradient(160deg,#0B3D2E 0%,#127A5A 62%,#2FB98A 100%);
  color:#fff;
}
.sidebar::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(58deg,rgba(255,255,255,.055) 0 1px,transparent 1px 9px);
}
.sidebar>*{position:relative;z-index:1}
.sidebar::-webkit-scrollbar{width:4px}
.sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.2);border-radius:999px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff}
.brand:hover{color:#fff}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;background:var(--lime);
  color:var(--brand-900);display:inline-flex;align-items:center;justify-content:center;font-size:19px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:19px;font-weight:800;letter-spacing:-.01em;color:#fff}
.brand-text em{font-style:normal;font-size:12px;letter-spacing:.16em;color:rgba(255,255,255,.78);margin-top:2px}
.side-logo{padding:28px 24px 22px}
.side-divider{height:1px;margin:0 24px;background:rgba(255,255,255,.12)}
.side-links{display:flex;flex-direction:column;padding:16px 0 8px;flex:1 1 auto}
.side-links a{
  position:relative;display:flex;align-items:center;gap:10px;
  min-height:44px;padding:0 24px;font-size:15px;color:rgba(255,255,255,.82);
  transition:background .22s var(--ease),color .22s var(--ease);
}
.side-links a i{font-size:18px;width:20px;text-align:center;opacity:.9}
.side-links a::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:0 3px 3px 0;
  background:var(--lime);transform:scaleY(0);transform-origin:center;transition:transform .22s var(--ease);
}
.side-links a:hover{background:rgba(255,255,255,.08);color:#fff}
.side-links a:hover::before{transform:scaleY(1)}
.side-links a.active{background:rgba(255,255,255,.12);color:#fff;font-weight:700}
.side-links a.active::before{transform:scaleY(1)}
.side-links a.active::after{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);margin-left:auto;
}
.side-foot{padding:18px 24px 24px;border-top:1px solid rgba(255,255,255,.12)}
.side-mini{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-md);padding:14px 14px 12px;margin-bottom:14px;
}
.side-mini strong{display:block;font-size:13px;color:#fff;letter-spacing:.02em}
.side-mini span{display:block;font-size:12px;color:rgba(255,255,255,.72);margin-top:4px;line-height:1.55}
.side-mini .num{color:var(--lime);font-size:16px}
.side-note{font-size:12px;color:rgba(255,255,255,.5);line-height:1.6}

/* ============ 移动端顶栏 ============ */
.mobile-topbar{display:none}
.mobile-panel{display:none}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
  transition:all .22s var(--ease);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(255,122,47,.24)}
.btn-primary:hover{background:var(--orange-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,122,47,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,122,47,.24)}
.btn-outline{background:transparent;border-color:var(--brand-600);color:var(--brand-800)}
.btn-outline:hover{background:var(--lime-soft);border-color:var(--brand-800);color:var(--brand-800)}
.btn-lime{background:var(--lime);color:var(--brand-900)}
.btn-lime:hover{filter:brightness(.94);color:var(--brand-900)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.7);color:#fff}
.btn-ghost-light:hover{background:#fff;border-color:#fff;color:var(--brand-800)}
.btn-block{width:100%}
.badge-lime{
  display:inline-flex;align-items:center;gap:8px;background:var(--lime);color:var(--brand-900);
  border-radius:999px;padding:6px 14px;font-size:13px;font-weight:700;line-height:1.4;
}
.badge-lime::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-600)}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;background:var(--lime-soft);color:var(--brand-800);
  border:1px solid rgba(11,61,46,.14);border-radius:999px;padding:5px 12px;font-size:13px;font-weight:600;
}
.section{padding:72px 0}
.section-alt{background:var(--paper-2)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,2.2vw,32px)}
.section-head p{color:var(--ink-2);font-size:15px;margin:8px 0 0;max-width:640px}
.eyebrow{font-size:13px;font-weight:700;color:var(--brand-600);letter-spacing:.12em;margin-bottom:10px;display:block}

/* ============ 页头 Banner ============ */
.page-banner{
  position:relative;overflow:hidden;color:#fff;padding:56px 0 52px;
  background:radial-gradient(130% 150% at 12% 0%,#127A5A 0%,#0B3D2E 58%,#08251C 100%);
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:.16;
}
.page-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:20px 20px;opacity:.28;
}
.page-banner .container{position:relative;z-index:2}
.crumb{font-size:13px;color:rgba(255,255,255,.72);display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:var(--lime)}
.crumb .sep{opacity:.55}
.banner-h1{font-size:clamp(30px,3.4vw,46px);line-height:1.15;font-weight:700;color:#fff;max-width:760px}
.banner-sub{margin-top:16px;font-size:16px;color:rgba(255,255,255,.86);max-width:660px;line-height:1.8}
.banner-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:26px}
.banner-chip{
  display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.32);
  border-radius:999px;padding:6px 14px;font-size:13px;color:rgba(255,255,255,.9);
}
.banner-chip i{color:var(--lime)}

/* ============ 介绍模块 ============ */
.intro-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center}
.intro-copy h2{font-size:clamp(24px,2.2vw,32px);margin-bottom:16px}
.intro-copy p{color:var(--ink-2);font-size:16px}
.intro-points{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.intro-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2)}
.intro-points i{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;background:var(--lime-soft);
  color:var(--brand-800);display:inline-flex;align-items:center;justify-content:center;font-size:13px;margin-top:4px;
}
.intro-figure{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.intro-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s var(--ease)}
.intro-figure:hover img{transform:scale(1.04)}
.intro-tag{
  position:absolute;left:16px;bottom:16px;background:rgba(8,37,28,.82);color:#fff;
  border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;backdrop-filter:blur(2px);
}

/* ============ 三类内容卡 ============ */
.tile-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tile{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 24px;box-shadow:var(--shadow);transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.tile-icon{
  width:44px;height:44px;border-radius:14px;background:var(--lime);color:var(--brand-900);
  display:inline-flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:18px;
}
.tile h3{font-size:19px;font-weight:600;margin-bottom:10px}
.tile p{font-size:14px;color:var(--ink-2);line-height:1.75;margin:0}
.tile .tile-meta{
  margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;
}
.tile .tile-meta .num{color:var(--brand-800);font-size:14px}

/* ============ FAQ + 表单 ============ */
.split{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  overflow:hidden;transition:background .22s var(--ease),border-color .22s var(--ease);
}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:16px 20px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-plus{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;background:var(--lime);color:var(--brand-900);
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;
  transition:transform .22s var(--ease);
}
.faq-item[open]{background:var(--lime-soft);border-color:rgba(11,61,46,.16)}
.faq-item[open] .faq-plus{transform:rotate(45deg)}
.faq-body{padding:0 20px 20px;font-size:14px;line-height:1.85;color:var(--ink-2)}

/* 表单卡 */
.signup-card{
  background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;
  box-shadow:var(--shadow);
}
.signup-card h3{font-size:20px;margin-bottom:10px}
.signup-card .lead{font-size:14px;color:var(--ink-2);margin-bottom:20px;line-height:1.75}
.field-label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field-input{
  width:100%;height:48px;border-radius:14px;border:1px solid var(--line);
  padding:0 16px;font-size:15px;color:var(--ink);background:#fff;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.field-input::placeholder{color:var(--muted)}
.field-input:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(198,242,78,.55)}
.field-input.is-error{border-color:var(--orange-deep);box-shadow:0 0 0 3px rgba(255,122,47,.18)}
.form-note{font-size:13px;color:var(--muted);margin:10px 0 0;line-height:1.6}
.form-error{font-size:12px;color:var(--orange-deep);margin:8px 0 0;min-height:16px;line-height:1.5}
.signup-card .btn{margin-top:18px}
.signup-points{margin-top:20px;padding-top:18px;border-top:1px dashed var(--line);display:flex;flex-direction:column;gap:10px}
.signup-points li{display:flex;gap:10px;font-size:13px;color:var(--ink-2);line-height:1.7}
.signup-points i{color:var(--brand-600);font-size:14px;margin-top:3px}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  padding:44px 40px;color:#fff;
  background:linear-gradient(120deg,#0B3D2E 0%,#127A5A 58%,#2FB98A 100%);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 18px 44px rgba(11,61,46,.18);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,242,78,.32),transparent 68%);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.1vw,30px);max-width:620px}
.cta-band p{color:rgba(255,255,255,.84);font-size:15px;margin:12px 0 0;max-width:600px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2}
.back-home{display:flex;justify-content:center;margin-top:28px}
.back-home a{font-size:15px;font-weight:600;color:var(--brand-600);display:inline-flex;align-items:center;gap:6px}
.back-home a:hover{color:var(--brand-800);gap:10px}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:56px 0 26px;margin-top:0}
.footer-inner{max-width:1240px;margin:0 auto;padding:0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:rgba(255,255,255,.7)}
.footer-brand p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.66);max-width:280px}
.footer-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:color .22s var(--ease),transform .22s var(--ease)}
.footer-col ul a:hover{color:var(--lime);transform:translateX(2px)}
.footer-col p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.75;margin-bottom:10px}
.footer-col .muted-line{color:rgba(255,255,255,.5);font-size:13px}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.58);
}
.footer-bottom .risk{color:rgba(255,255,255,.45)}

/* ============ 响应式 ============ */
@media (max-width:1399.98px){
  .container{max-width:1160px}
}
@media (max-width:1199.98px){
  :root{--side-w:208px}
  .side-logo{padding:24px 20px 18px}
  .side-links a{padding:0 20px;font-size:14px}
  .side-foot{padding:16px 20px 20px}
  .intro-grid{grid-template-columns:1fr;gap:32px}
  .split{grid-template-columns:1fr;gap:28px}
  .tile-grid{grid-template-columns:repeat(3,1fr);gap:18px}
}
@media (max-width:991.98px){
  .sidebar{display:none}
  .page-wrap{margin-left:0}
  .mobile-topbar{
    display:flex;align-items:center;justify-content:space-between;
    position:sticky;top:0;z-index:1050;height:60px;padding:0 16px;background:#fff;
    border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(11,61,46,.06);
  }
  .mobile-topbar .brand-text strong{color:var(--brand-800);font-size:17px}
  .mobile-topbar .brand-text em{color:var(--brand-600);font-size:11px}
  .mobile-topbar .brand-mark{width:32px;height:32px;flex:0 0 32px;border-radius:10px;font-size:17px;background:var(--brand-800);color:var(--lime)}
  .nav-toggle{
    width:44px;height:44px;border:none;background:transparent;display:inline-flex;
    flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;border-radius:12px;
  }
  .nav-toggle span{display:block;width:20px;height:2px;background:var(--brand-800);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .mobile-panel{
    position:fixed;left:0;right:0;top:60px;bottom:0;z-index:1045;background:var(--brand-800);
    padding:20px 16px 32px;overflow-y:auto;display:none;
  }
  .mobile-panel.open{display:block}
  .mobile-panel .side-links{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:0}
  .mobile-panel .side-links a{min-height:48px;border-radius:12px;background:rgba(255,255,255,.06);padding:0 14px;font-size:15px}
  .mobile-panel .side-links a::before{display:none}
  .mobile-panel .side-links a::after{display:none}
  .mobile-panel .side-links a.active{background:rgba(198,242,78,.18);color:#fff}
  .mobile-foot{margin-top:20px;padding-top:16px;border-top:1px solid rgba(255,255,255,.14);font-size:12px;color:rgba(255,255,255,.55)}
  .page-banner{padding:40px 0 40px}
  .section{padding:48px 0}
  .tile-grid{grid-template-columns:1fr 1fr;gap:16px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{padding:32px 24px}
}
@media (max-width:767.98px){
  .container{padding:0 18px}
  .tile-grid{grid-template-columns:1fr}
  .banner-h1{font-size:28px}
  .banner-sub{font-size:15px}
  .section-head{margin-bottom:24px}
  .faq-item summary{font-size:15px;padding:14px 16px}
  .faq-body{padding:0 16px 18px}
  .signup-card{padding:22px 20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}
@media (max-width:575.98px){
  .btn{width:100%}
  .btn-inline{width:auto}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:8px}
  .banner-chip{font-size:12px}
  .mobile-panel .side-links{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .tile:hover,.intro-figure:hover img{transform:none}
}