/* roulang page: index */
:root{
  --brand:#FF5A2E;
  --brand-700:#E0431A;
  --brand-50:#FFF1EC;
  --accent:#C3F53C;
  --ink-900:#0B241E;
  --ink-700:#12352C;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --surface-2:#EFEDE6;
  --text:#17211F;
  --text-2:#5A6B66;
  --text-3:#8A9995;
  --line:#E6E2D9;
  --ok:#2FA37A;
  --warn:#F5B544;
  --err:#D94A3D;
  --grad-brand:linear-gradient(120deg,#FF5A2E 0%,#FF9A3C 60%,#C3F53C 130%);
  --grad-ink:radial-gradient(120% 120% at 15% 0%,#16453A 0%,#0B241E 70%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-img:20px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(11,36,30,.06);
  --sh-2:0 18px 44px rgba(11,36,30,.12);
  --sh-dark:0 12px 32px rgba(0,0,0,.28);
  --sidebar-w:248px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em}
p{margin:0 0 1.1em}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(255,90,46,.22)}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}

/* ===== 布局骨架 ===== */
.app{min-height:100vh}
.sidebar{
  position:fixed;
  top:0;bottom:0;left:0;
  width:var(--sidebar-w);
  background:var(--ink-900);
  color:#EAF1EE;
  display:flex;
  flex-direction:column;
  padding:0 16px 18px;
  z-index:60;
  overflow-y:auto;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  height:72px;
  flex:0 0 auto;
  padding:0 6px;
}
.brand-mark{
  width:38px;height:38px;
  flex:0 0 auto;
  border-radius:12px;
  background:var(--grad-brand);
  color:#13211D;
  font-weight:800;
  font-size:15px;
  letter-spacing:-.02em;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.brand-text{
  font-size:16px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
}
.side-nav{display:flex;flex-direction:column;gap:6px;margin-top:14px}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  height:44px;
  padding:0 12px;
  border-radius:var(--r-sm);
  font-size:15px;
  color:#C5D6D1;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.nav-item .ico{width:20px;height:20px;flex:0 0 auto;opacity:.9}
.nav-item .ico svg{width:20px;height:20px;display:block}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff;transform:translateX(2px)}
.nav-item::before{
  content:"";
  position:absolute;
  left:-16px;top:8px;bottom:8px;
  width:3px;border-radius:0 3px 3px 0;
  background:transparent;
  transition:background .18s ease;
}
.nav-item.is-active{background:rgba(255,90,46,.14);color:#fff}
.nav-item.is-active::before{background:var(--brand)}
.nav-item.is-active .ico{opacity:1;color:var(--brand)}
.side-divider{height:1px;background:rgba(255,255,255,.08);margin:18px 6px}
.side-extra{display:flex;flex-direction:column;gap:6px}
.side-cta{
  display:flex;align-items:center;justify-content:center;
  gap:8px;
  margin-top:auto;
  height:48px;
  border-radius:var(--r-pill);
  background:var(--grad-brand);
  color:#fff;
  font-weight:700;
  font-size:15px;
  box-shadow:0 10px 26px rgba(255,90,46,.32);
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.side-cta:hover{transform:translateY(-1px);box-shadow:0 16px 34px rgba(255,90,46,.42);filter:saturate(1.08)}
.side-cta:active{transform:translateY(1px)}
.side-foot{
  margin-top:14px;
  font-size:12px;
  color:rgba(197,214,209,.6);
  line-height:1.7;
  padding:0 6px;
}
.content{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}

/* ===== 移动端顶栏与抽屉 ===== */
.topbar{
  display:none;
  align-items:center;
  justify-content:space-between;
  height:60px;
  padding:0 16px;
  background:var(--ink-900);
  color:#fff;
  position:sticky;top:0;z-index:70;
}
.topbar .brand{height:60px;padding:0}
.burger{
  width:42px;height:42px;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.08);
  color:#fff;
}
.burger:hover{background:rgba(255,255,255,.16)}
.burger svg{width:20px;height:20px}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(11,36,30,.5);
  opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;
  z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(86vw,360px);
  background:var(--ink-900);
  color:#EAF1EE;
  z-index:90;
  transform:translateX(100%);
  transition:transform .28s cubic-bezier(.2,.7,.3,1);
  display:flex;
  flex-direction:column;
  padding:18px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer .close-btn{
  width:40px;height:40px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;
}
.drawer .nav-item{height:52px;border-bottom:1px solid rgba(255,255,255,.07);border-radius:0}
.drawer .nav-item::before{left:-18px}
.drawer .side-cta{margin-top:22px}

/* ===== 通用容器与板块 ===== */
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:80px 0}
.section-tight{padding:56px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:34px;
  flex-wrap:wrap;
}
.section-head h2{font-size:clamp(24px,3vw,36px);font-weight:700}
.section-head .sub{color:var(--text-2);font-size:15px;margin-top:8px;max-width:560px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  background:var(--brand-50);
  border-radius:var(--r-pill);
  padding:6px 14px;
  margin-bottom:18px;
}
.eyebrow.on-dark{background:rgba(255,255,255,.12);color:#fff}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:600;
  color:var(--brand);
  position:relative;
  padding-bottom:4px;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:0;
  height:2px;width:26px;border-radius:2px;
  background:var(--brand);
  transition:width .22s ease;
}
.text-link:hover::after{width:100%}
.text-link span.arrow{transition:transform .22s ease}
.text-link:hover span.arrow{transform:translateX(4px)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-brand);
  color:#fff;
  box-shadow:0 12px 28px rgba(255,90,46,.3);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 18px 40px rgba(255,90,46,.4)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  border:1.5px solid var(--ink-900);
  color:var(--ink-900);
  background:transparent;
}
.btn-ghost:hover{background:var(--ink-900);color:#fff}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-on-dark{
  background:#fff;color:var(--ink-900);
}
.btn-on-dark:hover{transform:translateY(-1px);box-shadow:0 14px 32px rgba(0,0,0,.28)}
.btn-outline-dark{
  border:1.5px solid var(--accent);
  color:var(--accent);
  background:transparent;
}
.btn-outline-dark:hover{background:rgba(195,245,60,.12)}

/* ===== Hero ===== */
.hero{
  position:relative;
  overflow:hidden;
  padding:72px 0 64px;
  background:linear-gradient(180deg,#FFFDF9 0%,var(--bg) 100%);
}
.hero-glow{
  position:absolute;
  width:520px;height:520px;
  left:-140px;top:-160px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,46,.14) 0%,rgba(255,90,46,0) 70%);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:44px;
  align-items:center;
  position:relative;
}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.01em;
  margin-bottom:18px;
}
.hero-sub{
  font-size:17px;
  color:var(--text-2);
  max-width:520px;
  margin-bottom:28px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.hero-points{display:flex;flex-direction:column;gap:10px}
.hero-points li{
  display:flex;align-items:center;gap:10px;
  font-size:15px;
  color:var(--text-2);
}
.hero-points li::before{
  content:"";
  width:8px;height:8px;border-radius:50%;
  background:var(--brand);
  flex:0 0 auto;
}
.hero-visual{
  position:relative;
  border-radius:28px;
  overflow:hidden;
  box-shadow:var(--sh-2);
  aspect-ratio:4/3.2;
  background:var(--ink-900);
}
.hero-visual img{
  width:100%;height:100%;
  object-fit:cover;
  filter:saturate(1.05) contrast(1.03);
}
.hero-visual::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(11,36,30,.62) 0%,rgba(255,90,46,.28) 100%);
  mix-blend-mode:multiply;
}
.float-card{
  position:absolute;
  z-index:2;
  background:rgba(255,255,255,.94);
  border-radius:var(--r-md);
  padding:12px 16px;
  box-shadow:var(--sh-1);
  min-width:118px;
}
.float-card strong{
  display:block;
  font-size:24px;
  font-weight:800;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
}
.float-card span{font-size:12px;color:var(--text-2)}
.fc-1{left:20px;bottom:20px}
.fc-2{right:20px;top:20px}

/* ===== 数据徽章条 ===== */
.stat-bar{
  background:var(--grad-ink);
  color:#fff;
  border-radius:var(--r-lg);
  padding:28px 32px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  box-shadow:var(--sh-dark);
}
.stat{display:flex;flex-direction:column;gap:4px;padding-left:18px;border-left:2px solid rgba(195,245,60,.5)}
.stat:first-child{border-left:none;padding-left:0}
.stat strong{
  font-size:clamp(28px,3.4vw,40px);
  font-weight:800;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  line-height:1.05;
}
.stat span{font-size:13px;color:rgba(234,241,238,.75)}

/* ===== 品牌主张 ===== */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:52px;
  align-items:center;
}
.split.reverse .split-media{order:2}
.split-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  aspect-ratio:5/4;
  background:var(--surface-2);
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.split-media:hover img{transform:scale(1.02)}
.split-body h2{font-size:clamp(24px,3vw,36px);margin-bottom:16px}
.split-body p{color:var(--text-2);font-size:15.5px}
.mini-list{margin:18px 0 24px;display:grid;gap:10px}
.mini-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:15px;color:var(--text);
}
.mini-list li .dot{
  width:20px;height:20px;border-radius:50%;
  background:var(--brand-50);
  color:var(--brand);
  font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  flex:0 0 auto;margin-top:5px;
}

/* ===== Bento 精选卡 ===== */
.bento{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  grid-template-rows:auto auto;
  gap:20px;
}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  position:relative;
  box-shadow:var(--sh-1);
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease;
  display:flex;
  flex-direction:column;
}
.card::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:2px;
  background:var(--grad-brand);
  opacity:0;
  transition:opacity .18s ease;
  z-index:3;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.card:hover::before{opacity:1}
.card-media{overflow:hidden;background:var(--surface-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:20px;font-weight:650;line-height:1.4}
.card-body p{font-size:15px;color:var(--text-2);margin:0}
.card-big{grid-row:1 / span 2}
.card-big .card-media{aspect-ratio:16/9}
.card-big .card-body{padding:28px}
.card-big .card-body h3{font-size:clamp(20px,2.2vw,26px)}
.card-small{grid-column:2}
.card-small .card-media{aspect-ratio:16/10}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;
  font-weight:600;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:var(--brand-50);
  color:var(--brand-700);
  width:fit-content;
}
.tag-dark{background:rgba(255,255,255,.14);color:#fff}

/* ===== 最新信息列表（CMS 循环区） ===== */
.news-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.news-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease;
  position:relative;
}
.news-card::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:2px;
  background:var(--grad-brand);opacity:0;transition:opacity .18s ease;z-index:3;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-card:hover::before{opacity:1}
.news-card .row{display:flex;gap:0;height:100%}
.news-thumb{
  flex:0 0 210px;
  background:var(--surface-2);
  overflow:hidden;
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;min-width:0}
.news-body h3{
  font-size:17px;
  font-weight:650;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-body p{
  font-size:14px;
  color:var(--text-2);
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-3);
}
.news-meta time{font-variant-numeric:tabular-nums}
.empty-state{
  border:1.5px dashed var(--line);
  border-radius:var(--r-lg);
  padding:56px 24px;
  text-align:center;
  background:var(--surface);
  color:var(--text-2);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
}
.empty-state .empty-ico{
  width:52px;height:52px;border-radius:50%;
  background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-3);
}
.empty-state .empty-ico svg{width:24px;height:24px}

/* ===== 信任背书 ===== */
.trust-strip{
  display:flex;
  gap:16px;
  overflow-x:auto;
  padding:6px 24px 18px;
  scroll-snap-type:x mandatory;
  -ms-overflow-style:none;
  scrollbar-width:none;
}
.trust-strip::-webkit-scrollbar{display:none}
.trust-item{
  flex:0 0 232px;
  scroll-snap-align:start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.trust-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.trust-item .logo-dot{
  width:40px;height:40px;border-radius:12px;
  background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:14px;color:var(--text-2);
  margin-bottom:14px;
  filter:grayscale(1);
  transition:filter .22s ease,background .22s ease,color .22s ease;
}
.trust-item:hover .logo-dot{filter:none;background:var(--brand-50);color:var(--brand)}
.trust-item h3{font-size:15px;font-weight:650;margin-bottom:6px}
.trust-item p{font-size:13.5px;color:var(--text-2);margin:0}

/* ===== FAQ ===== */
.faq-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:10px 24px;
  box-shadow:var(--sh-1);
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 0;
  text-align:left;
  font-size:16px;
  font-weight:650;
  color:var(--text);
  position:relative;
}
.faq-q::before{
  content:"";
  position:absolute;left:-24px;top:14px;bottom:14px;
  width:3px;border-radius:0 3px 3px 0;
  background:transparent;
  transition:background .2s ease;
}
.faq-item.is-open .faq-q::before{background:var(--brand)}
.faq-icon{
  width:28px;height:28px;
  flex:0 0 auto;
  border-radius:50%;
  background:var(--surface-2);
  color:var(--text-2);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;
  line-height:1;
  transition:transform .22s ease,background .22s ease,color .22s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--brand-50);color:var(--brand)}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .22s ease;
}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a p{
  font-size:15px;
  color:var(--text-2);
  margin:0 0 20px;
  max-width:780px;
}

/* ===== 订阅 CTA ===== */
.cta-panel{
  background:linear-gradient(135deg,#12352C 0%,#0B241E 55%,#1F4A3D 100%);
  border-radius:var(--r-lg);
  padding:52px;
  color:#fff;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:40px;
  align-items:center;
  box-shadow:var(--sh-dark);
  position:relative;
  overflow:hidden;
}
.cta-panel::after{
  content:"";
  position:absolute;
  width:420px;height:420px;
  right:-150px;bottom:-190px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(195,245,60,.18) 0%,rgba(195,245,60,0) 70%);
}
.cta-panel h2{font-size:clamp(22px,2.8vw,32px);margin-bottom:14px;position:relative;z-index:1}
.cta-panel p{color:rgba(234,241,238,.78);font-size:15px;margin:0;position:relative;z-index:1}
.sub-form{display:flex;gap:12px;position:relative;z-index:1}
.sub-form input{
  flex:1;
  height:48px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);
  color:#fff;
  padding:0 16px;
  font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.sub-form input::placeholder{color:rgba(234,241,238,.55)}
.sub-form input:focus{
  outline:none;
  border-color:var(--brand);
  background:rgba(255,255,255,.12);
  box-shadow:0 0 0 4px rgba(255,90,46,.18);
}
.form-note{
  font-size:13px;
  color:rgba(234,241,238,.6);
  margin-top:12px;
  position:relative;
  z-index:1;
}
.form-error{
  font-size:13px;
  color:#FFB3A0;
  margin-top:10px;
  display:none;
  position:relative;
  z-index:1;
}
.form-error.is-show{display:block}

/* ===== 页脚 ===== */
.footer{
  margin-top:auto;
  background:var(--ink-900);
  color:#C5D6D1;
  padding:64px 0 0;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:44px;
}
.footer h4{
  font-size:14px;
  font-weight:700;
  color:var(--accent);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer p{color:rgba(197,214,209,.72);font-size:13.5px;line-height:1.9}
.footer-links{display:grid;gap:10px}
.footer-links a{
  color:rgba(197,214,209,.82);
  font-size:14px;
  width:fit-content;
  position:relative;
  padding-bottom:2px;
  transition:color .18s ease;
}
.footer-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:var(--brand);
  transition:width .22s ease;
}
.footer-links a:hover{color:var(--brand)}
.footer-links a:hover::after{width:100%}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:rgba(197,214,209,.55);
}

/* ===== 入场动效 ===== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media (min-width:1024px) and (max-width:1279px){
  :root{--sidebar-w:84px}
  .sidebar{padding:0 14px 18px;align-items:center}
  .brand{justify-content:center;padding:0}
  .brand-text{display:none}
  .side-nav{width:100%}
  .nav-item{justify-content:center;padding:0}
  .nav-item .label{
    position:absolute;
    left:calc(100% + 14px);
    top:50%;
    transform:translateY(-50%);
    background:var(--ink-700);
    color:#fff;
    font-size:14px;
    padding:8px 14px;
    border-radius:10px;
    white-space:nowrap;
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transition:opacity .18s ease,visibility .18s ease;
    box-shadow:var(--sh-dark);
    z-index:10;
  }
  .nav-item:hover .label,.nav-item:focus-visible .label{opacity:1;visibility:visible}
  .nav-item::before{left:-14px}
  .side-cta{padding:0;width:52px;height:52px;margin-left:auto;margin-right:auto}
  .side-cta .cta-text{display:none}
  .side-foot{display:none}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .content{margin-left:0}
  .topbar{display:flex}
  .wrap{padding:0 16px}
  .hero{padding:44px 0 40px}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero h1{font-size:clamp(28px,7vw,38px)}
  .section{padding:52px 0}
  .section-tight{padding:38px 0}
  .stat-bar{grid-template-columns:repeat(2,1fr);gap:22px;padding:24px}
  .stat{border-left:none;padding-left:0}
  .split{grid-template-columns:1fr;gap:28px}
  .split.reverse .split-media{order:0}
  .bento{grid-template-columns:1fr;grid-template-rows:auto}
  .card-big{grid-row:auto}
  .card-small{grid-column:auto}
  .news-grid{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;padding:32px 24px}
  .sub-form{flex-direction:column}
  .sub-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:560px){
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .stat-bar{grid-template-columns:1fr 1fr;padding:20px}
  .news-card .row{flex-direction:column}
  .news-thumb{flex:none;aspect-ratio:16/9;width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .float-card{min-width:96px;padding:10px 12px}
  .float-card strong{font-size:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --brand:#FF5A2E;
  --brand-700:#E0431A;
  --brand-50:#FFF1EC;
  --accent:#C3F53C;
  --ink-900:#0B241E;
  --ink-700:#12352C;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --surface-2:#EFEDE6;
  --text:#17211F;
  --text-2:#5A6B66;
  --text-3:#8A9995;
  --line:#E6E2D9;
  --ok:#2FA37A;
  --warn:#F5B544;
  --err:#D94A3D;
  --grad-brand:linear-gradient(120deg,#FF5A2E 0%,#FF9A3C 60%,#C3F53C 130%);
  --grad-ink:radial-gradient(120% 120% at 15% 0%,#16453A 0%,#0B241E 70%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(11,36,30,.06);
  --sh-2:0 18px 44px rgba(11,36,30,.12);
  --sh-dark:0 12px 32px rgba(0,0,0,.28);
  --sidebar-w:248px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 侧边 App Shell ---------- */
.shell{min-height:100vh;}
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--grad-ink);
  display:flex;
  flex-direction:column;
  padding:0 16px 22px;
  z-index:60;
  border-right:1px solid rgba(255,255,255,.06);
}
.brand{height:72px;display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:var(--r-sm);
  background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:13px;
  display:grid;place-items:center;flex:0 0 auto;
  letter-spacing:.02em;
  font-family:Inter,"DIN Alternate",system-ui,sans-serif;
}
.brand-name{color:#fff;font-weight:800;font-size:15.5px;letter-spacing:.02em;line-height:1.2;}
.side-nav{display:flex;flex-direction:column;gap:6px;margin-top:10px;flex:1 1 auto;}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;border-radius:var(--r-sm);
  color:rgba(246,244,239,.76);
  font-size:15px;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.nav-item .ico{width:20px;height:20px;display:grid;place-items:center;flex:0 0 20px;}
.nav-item .ico svg{width:20px;height:20px;display:block;}
.nav-item .label{white-space:nowrap;}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff;transform:translateX(2px);}
.nav-item.is-active{background:rgba(255,90,46,.14);color:#fff;font-weight:600;}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:var(--brand);
}
.side-sep{height:1px;background:rgba(255,255,255,.08);margin:14px 4px;flex:0 0 auto;}
.sidebar-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  border:1.5px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),filter .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(255,90,46,.26);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,90,46,.36);filter:brightness(1.04);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--ink-900);color:var(--ink-900);}
.btn-ghost:hover{background:var(--ink-900);color:#fff;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.sidebar-cta{width:100%;height:44px;padding:0 16px;font-size:14.5px;}
.sidebar-note{font-size:11.5px;color:rgba(246,244,239,.42);text-align:center;line-height:1.6;margin:0;}

/* ---------- 移动端顶栏与抽屉 ---------- */
.topbar{display:none;}
.drawer{
  position:fixed;top:0;right:0;height:100%;
  width:min(86vw,360px);
  background:var(--grad-ink);
  z-index:90;padding:20px 18px;
  display:flex;flex-direction:column;gap:6px;
  transform:translateX(102%);
  transition:transform .28s var(--ease);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer .nav-item{height:52px;font-size:16px;}
.drawer .nav-item .label{display:inline;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-close{width:38px;height:38px;border-radius:var(--r-sm);display:grid;place-items:center;color:rgba(246,244,239,.8);transition:.18s;}
.drawer-close:hover{background:rgba(255,255,255,.08);color:#fff;}
.drawer-foot{margin-top:auto;padding-top:22px;font-size:12px;color:rgba(246,244,239,.45);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,36,30,.5);
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s;z-index:85;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
body.no-scroll{overflow:hidden;}

/* ---------- 主内容列 ---------- */
.main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}

/* ---------- 文章头部 ---------- */
.article-hero{position:relative;overflow:hidden;background:var(--ink-900);color:#fff;padding:52px 0 60px;}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.24;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,36,30,.5) 0%,rgba(11,36,30,.9) 100%);
}
.article-hero .wrap{position:relative;z-index:2;}
.article-hero .inner{max-width:860px;margin:0 auto;}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:rgba(246,244,239,.7);margin-bottom:22px;}
.crumb a{color:rgba(246,244,239,.88);border-bottom:1px solid transparent;transition:.18s;}
.crumb a:hover{color:var(--accent);border-bottom-color:rgba(195,245,60,.6);}
.crumb .sep{color:rgba(246,244,239,.3);}
.crumb .current{color:#fff;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-title{
  font-size:clamp(26px,3.6vw,44px);
  font-weight:800;line-height:1.22;letter-spacing:-.01em;
  margin-bottom:20px;color:#fff;
}
.meta-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(246,244,239,.74);}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--brand-50);color:var(--brand-700);
  font-size:12px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.article-hero .badge{background:rgba(255,90,46,.24);color:#FFD3C4;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(246,244,239,.38);}

/* ---------- 正文阅读区 ---------- */
.article-main{padding:56px 0 0;}
.article-card{
  max-width:780px;margin:0 auto;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:clamp(24px,4vw,52px);
}
.prose{font-size:16.5px;line-height:1.95;color:var(--text);letter-spacing:.01em;}
.prose p{margin:0 0 1.25em;}
.prose h2{
  font-size:clamp(21px,2.4vw,27px);font-weight:700;line-height:1.35;
  margin:2em 0 .8em;padding-left:14px;border-left:4px solid var(--brand);
}
.prose h2:first-child{margin-top:0;}
.prose h3{font-size:19px;font-weight:650;margin:1.7em 0 .6em;}
.prose h4{font-size:17px;font-weight:650;margin:1.5em 0 .5em;}
.prose ul,.prose ol{margin:0 0 1.25em;padding-left:1.3em;}
.prose ul li{list-style:disc;margin:.42em 0;}
.prose ol li{list-style:decimal;margin:.42em 0;}
.prose blockquote{
  margin:1.5em 0;padding:16px 20px;
  background:var(--brand-50);border-left:3px solid var(--brand);
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--text-2);
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{border-radius:20px;margin:1.5em auto;}
.prose a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;transition:color .18s;}
.prose a:hover{color:var(--brand);}
.prose strong{font-weight:700;}
.prose hr{border:none;height:1px;background:var(--line);margin:2em 0;}
.prose table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;border-radius:var(--r-md);overflow:hidden;box-shadow:0 0 0 1px var(--line);}
.prose th{background:var(--surface-2);text-align:left;padding:12px 16px;font-weight:650;color:var(--text);}
.prose td{padding:12px 16px;border-top:1px solid var(--line);color:var(--text-2);}
.prose tbody tr:nth-child(even){background:#FBFAF6;}
.prose pre{background:var(--ink-900);color:#EAF3EF;padding:18px 20px;border-radius:var(--r-sm);overflow-x:auto;margin:1.5em 0;font-size:14px;line-height:1.7;}
.prose code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;}
.prose p code,.prose li code{background:var(--surface-2);padding:2px 6px;border-radius:6px;color:var(--brand-700);}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  padding:56px 24px;text-align:center;color:var(--text-2);
  border:1.5px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state svg{width:40px;height:40px;color:var(--text-3);}
.empty-state p{font-size:15px;margin:0;}

/* ---------- 文末操作条 ---------- */
.article-actions{
  max-width:780px;margin:24px auto 0;
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;flex-wrap:wrap;
}
.action-group{display:flex;gap:10px;flex-wrap:wrap;}
.action-tip{font-size:13px;color:var(--text-3);}

/* ---------- 相关推荐 ---------- */
.related{padding:76px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:-.01em;}
.text-link{
  font-size:14px;font-weight:600;color:var(--brand-700);
  padding-bottom:3px;border-bottom:2px solid rgba(255,90,46,.3);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.text-link:hover{border-bottom-color:var(--brand);color:var(--brand);}
.rel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.rel-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.rel-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--grad-brand);opacity:0;transition:opacity .18s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.rel-card:hover::before{opacity:1;}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--surface-2);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:20px 22px 24px;}
.rel-body h3{font-size:18px;font-weight:700;line-height:1.4;margin:12px 0 8px;}
.rel-body p{font-size:14px;color:var(--text-2);line-height:1.75;margin:0;}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink-900);color:rgba(246,244,239,.72);margin-top:88px;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer h4{font-size:14px;color:var(--accent);letter-spacing:.04em;margin:0 0 16px;font-weight:700;}
.footer p{margin:0;font-size:14px;line-height:1.9;color:rgba(246,244,239,.62);max-width:340px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  position:relative;width:fit-content;font-size:14px;color:rgba(246,244,239,.72);
  transition:color .18s var(--ease);
}
.footer-links a::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;
  background:var(--brand);transition:width .22s var(--ease);
}
.footer-links a:hover{color:var(--brand);}
.footer-links a:hover::after{width:100%;}
.footer-bottom{
  margin-top:48px;padding-top:20px;
  border-top:1px solid rgba(246,244,239,.12);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(246,244,239,.5);
}

/* ---------- 入场动效 ---------- */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease);}
[data-reveal].is-in{opacity:1;transform:none;}

/* ---------- 断点 ---------- */
@media (min-width:1024px) and (max-width:1279px){
  :root{--sidebar-w:84px;}
  .sidebar{padding:0 12px 20px;align-items:center;}
  .brand{justify-content:center;width:100%;}
  .brand-name{display:none;}
  .side-nav{width:100%;}
  .nav-item{justify-content:center;padding:0;gap:0;}
  .nav-item .label{display:none;}
  .nav-item:hover{transform:none;}
  .sidebar-foot{width:100%;}
  .sidebar-cta{display:none;}
  .sidebar-note{font-size:10.5px;word-break:break-all;}
}
@media (max-width:1023px){
  .sidebar{display:none;}
  .main{margin-left:0;}
  .topbar{
    display:flex;align-items:center;justify-content:space-between;
    height:60px;padding:0 16px;
    background:var(--ink-900);position:sticky;top:0;z-index:70;
    border-bottom:1px solid rgba(255,255,255,.06);
  }
  .topbar .brand{height:auto;}
  .hamburger{
    width:42px;height:42px;border-radius:var(--r-sm);
    display:grid;place-items:center;color:#F6F4EF;
    transition:background .18s var(--ease);
  }
  .hamburger:hover{background:rgba(255,255,255,.08);}
  .article-hero{padding:36px 0 44px;}
  .article-main{padding:36px 0 0;}
  .related{padding:56px 0 0;}
  .footer{margin-top:64px;padding:52px 0 24px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .footer p{max-width:none;}
}
@media (max-width:767px){
  .wrap{padding:0 16px;}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .crumb .current{max-width:180px;}
  .article-card{border-radius:var(--r-md);}
  .prose{font-size:16px;}
  .article-actions{flex-direction:column;align-items:stretch;}
  .action-group{justify-content:space-between;}
  .action-group .btn{flex:1 1 auto;}
  .action-tip{text-align:center;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:519px){
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:24px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .article-title{font-size:24px;}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  [data-reveal]{opacity:1;transform:none;transition:none;}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
}

/* roulang page: category1 */
:root{
  --brand:#FF5A2E;
  --brand-700:#E0431A;
  --brand-50:#FFF1EC;
  --accent:#C3F53C;
  --ink-900:#0B241E;
  --ink-700:#12352C;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --surface-2:#EFEDE6;
  --text:#17211F;
  --text-2:#5A6B66;
  --text-3:#8A9995;
  --line:#E6E2D9;
  --ok:#2FA37A;
  --warn:#F5B544;
  --err:#D94A3D;
  --grad-brand:linear-gradient(120deg,#FF5A2E 0%,#FF9A3C 60%,#C3F53C 130%);
  --grad-ink:radial-gradient(120% 120% at 15% 0%,#16453A 0%,#0B241E 70%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-img:20px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(11,36,30,.06);
  --sh-2:0 18px 44px rgba(11,36,30,.12);
  --sh-dark:0 12px 32px rgba(0,0,0,.28);
  --sidebar-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px}
svg{display:block}

/* ---------- 布局骨架 ---------- */
.content{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.main{flex:1 0 auto;padding:28px 0 0}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{margin-top:72px}

/* ---------- 侧栏导航 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--ink-900);color:#E3EFEA;
  display:flex;flex-direction:column;
  padding:0 14px 18px;z-index:60;
  overflow-y:auto;overflow-x:hidden;
  transition:width .22s cubic-bezier(.2,.7,.3,1);
}
.sidebar .brand{height:72px;display:flex;align-items:center;gap:10px;padding:0 6px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--grad-brand);
  color:#10201C;font-weight:800;font-size:13px;letter-spacing:.04em;
  display:grid;place-items:center;flex:0 0 auto;
}
.brand-text{font-weight:700;font-size:16px;white-space:nowrap;letter-spacing:.02em}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;height:44px;
  padding:0 12px;border-radius:var(--r-sm);color:#C9D8D2;font-size:15px;
  transition:background .18s ease,color .18s ease,transform .18s cubic-bezier(.2,.7,.3,1);
}
.nav-item .ico{width:20px;height:20px;flex:0 0 auto;display:grid;place-items:center}
.nav-item .ico svg{width:20px;height:20px}
.nav-item .label{white-space:nowrap}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff;transform:translateX(2px)}
.nav-item.is-active{background:rgba(255,90,46,.14);color:#fff}
.nav-item.is-active::before{
  content:"";position:absolute;left:-14px;top:8px;bottom:8px;width:3px;
  border-radius:0 3px 3px 0;background:var(--brand);
}
.side-sep{height:1px;background:rgba(255,255,255,.1);margin:18px 8px}
.side-mini{display:flex;flex-direction:column;gap:4px}
.side-mini a{
  display:flex;align-items:center;gap:10px;height:40px;padding:0 12px;border-radius:var(--r-sm);
  font-size:14px;color:#9FB4AD;transition:background .18s,color .18s;
}
.side-mini a:hover{background:rgba(255,255,255,.06);color:#fff}
.side-cta{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.side-cta .btn{width:100%}
.side-note{margin-top:auto;padding:20px 8px 0;font-size:12px;line-height:1.7;color:rgba(201,216,210,.5)}

/* ---------- 移动端顶部栏 / 抽屉 ---------- */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:70;
  align-items:center;justify-content:space-between;padding:0 16px;
  background:rgba(11,36,30,.96);color:#fff;border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-bar .brand{display:flex;align-items:center;gap:10px}
.burger{
  width:42px;height:42px;border:0;background:rgba(255,255,255,.08);border-radius:12px;
  display:grid;place-items:center;cursor:pointer;transition:background .18s;
}
.burger:hover{background:rgba(255,255,255,.16)}
.burger span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;
}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.mask{
  position:fixed;inset:0;background:rgba(11,36,30,.5);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
}
.mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);z-index:90;
  background:var(--ink-900);color:#E3EFEA;padding:18px 16px 28px;overflow-y:auto;
  transform:translateX(102%);transition:transform .26s cubic-bezier(.2,.7,.3,1);
}
.drawer.open{transform:none}
.drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer .nav-item{height:52px;border-radius:12px;border-bottom:1px solid rgba(255,255,255,.07)}
.drawer .nav-item.is-active::before{display:none}
.drawer .nav-item.is-active{
  background:rgba(255,90,46,.14);
  border-left:3px solid var(--brand);border-radius:0 12px 12px 0;
}
.drawer-close{
  width:38px;height:38px;border:0;border-radius:12px;background:rgba(255,255,255,.08);
  color:#fff;font-size:20px;line-height:1;cursor:pointer;display:grid;place-items:center;
  transition:background .18s;
}
.drawer-close:hover{background:rgba(255,255,255,.18)}
.drawer .side-cta{margin-top:22px}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s,background .18s,color .18s,border-color .18s;
}
.btn-primary{background:var(--grad-brand);color:#10201C;box-shadow:0 10px 26px rgba(255,90,46,.28)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 34px rgba(255,90,46,.34)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 8px 18px rgba(255,90,46,.28)}
.btn-ghost{background:transparent;border-color:var(--ink-900);color:var(--ink-900)}
.btn-ghost:hover{background:var(--ink-900);color:#fff}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn[disabled]{opacity:.4;cursor:not-allowed}
.link-more{
  display:inline-block;font-size:14px;font-weight:600;color:var(--brand-700);
  padding-bottom:2px;border-bottom:4px solid rgba(255,90,46,.28);
  transition:border-color .2s,color .2s;
}
.link-more:hover{border-color:var(--brand);color:var(--brand)}
.kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.12em;color:var(--brand-700);background:var(--brand-50);
  padding:6px 14px;border-radius:var(--r-pill);
}
.tag{
  display:inline-block;font-size:12px;padding:5px 12px;border-radius:var(--r-pill);
  background:var(--brand-50);color:var(--brand-700);white-space:nowrap;font-weight:600;
}
.tag-live{background:rgba(195,245,60,.4);color:#31490F}
.tag-wait{background:var(--surface-2);color:var(--text-2)}
.sec-head{max-width:780px;margin-bottom:30px}
.sec-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.25;letter-spacing:-.01em;margin-top:14px}
.sec-head p{margin-top:12px;color:var(--text-2);font-size:15.5px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:16px;flex-wrap:wrap}
.crumbs a{color:var(--text-2);transition:color .18s}
.crumbs a:hover{color:var(--brand)}
.crumbs span[aria-current]{color:var(--text-3)}
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- Hero ---------- */
.hero-page{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  padding:52px 48px;color:#fff;
  background-image:
    linear-gradient(100deg,rgba(11,36,30,.95) 0%,rgba(11,36,30,.84) 46%,rgba(11,36,30,.5) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  display:grid;grid-template-columns:1.12fr .88fr;gap:36px;align-items:center;
  box-shadow:var(--sh-1);
}
.hero-page::before{
  content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  left:-160px;bottom:-260px;pointer-events:none;
  background:radial-gradient(circle,rgba(255,90,46,.34),rgba(255,90,46,0) 66%);
}
.hero-page > *{position:relative;z-index:1}
.hero-page .kicker{background:rgba(255,255,255,.12);color:#C3F53C}
.hero-page h1{
  font-size:clamp(30px,4.2vw,50px);font-weight:800;line-height:1.15;
  letter-spacing:-.01em;margin-top:18px;
}
.hero-page .sub{margin-top:16px;font-size:16.5px;color:rgba(255,255,255,.82);max-width:560px}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.hero-page .btn-primary{background:#fff;color:var(--ink-900);box-shadow:0 12px 30px rgba(0,0,0,.22)}
.hero-page .btn-primary:hover{background:#FFF6F1}
.hero-page .btn-ghost{border-color:rgba(195,245,60,.75);color:#EAFBC2}
.hero-page .btn-ghost:hover{background:var(--accent);color:#1B2A0C;border-color:var(--accent)}
.hero-meta{display:flex;gap:22px;margin-top:28px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.7)}
.hero-meta b{display:block;font-size:15px;color:#fff;font-variant-numeric:tabular-nums;font-weight:700}

.match-card{
  background:rgba(255,255,255,.97);border-radius:var(--r-lg);padding:20px;
  color:var(--text);box-shadow:0 18px 44px rgba(0,0,0,.3);
}
.match-card-head{
  display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;
  color:var(--ink-900);padding-bottom:12px;border-bottom:1px solid var(--line);
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(255,90,46,.16)}
.match-list li{display:flex;align-items:center;gap:10px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:14px}
.match-list li:last-child{border-bottom:0;padding-bottom:4px}
.m-time{font-variant-numeric:tabular-nums;font-weight:700;color:var(--brand-700);flex:0 0 auto;font-size:14px}
.m-name{flex:1;min-width:0;color:var(--text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.match-card .link-more{margin-top:14px;font-size:13px}

/* ---------- 数据徽章条 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px;box-shadow:var(--sh-1);
}
.stat{background:var(--surface-2);border-radius:var(--r-md);padding:16px 18px;transition:transform .18s ease,background .18s ease}
.stat:hover{transform:translateY(-4px);background:#E9E6DD}
.stat b{
  display:block;font-size:clamp(26px,3vw,36px);font-weight:800;line-height:1.1;
  color:var(--brand);font-variant-numeric:tabular-nums;
}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--text-2)}

/* ---------- 步骤带 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px 22px;box-shadow:var(--sh-1);
  transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s;
}
.step::after{
  content:"";position:absolute;right:-13px;top:46px;width:8px;height:8px;
  border-top:2px solid var(--line);border-right:2px solid var(--line);
  transform:rotate(45deg);
}
.step:last-child::after{display:none}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-no{
  display:inline-grid;place-items:center;width:44px;height:44px;border-radius:14px;
  background:var(--brand-50);color:var(--brand-700);font-weight:800;font-size:16px;
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:700;line-height:1.4}
.step p{margin-top:8px;font-size:14.5px;color:var(--text-2)}

/* ---------- 交错图文 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split + .split{margin-top:56px}
.split.reverse .split-media{order:2}
.split-media{
  border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1);background:var(--surface-2);
}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.split-media:hover img{transform:scale(1.02)}
.split-body h3{font-size:clamp(19px,2.2vw,22px);font-weight:700;line-height:1.35;margin-top:12px}
.split-body p{margin-top:12px;font-size:15.5px;color:var(--text-2)}
.checks{margin-top:16px}
.checks li{position:relative;padding-left:26px;margin-top:10px;font-size:15px;color:var(--text-2)}
.checks li::before{
  content:"";position:absolute;left:1px;top:10px;width:13px;height:7px;
  border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);
}

/* ---------- 横向看台贴士 ---------- */
.rail-wrap{position:relative}
.rail{
  display:flex;gap:16px;overflow-x:auto;padding:4px 4px 16px;
  scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-item{
  flex:0 0 268px;scroll-snap-align:start;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-md);padding:20px;
  box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s;
}
.rail-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#F3CDBD}
.rail-item h3{font-size:16px;font-weight:700;display:flex;align-items:center;gap:10px}
.rail-item h3 i{
  width:26px;height:26px;border-radius:9px;background:rgba(195,245,60,.45);
  display:grid;place-items:center;font-style:normal;font-size:12px;font-weight:800;color:#31490F;
}
.rail-item p{margin-top:10px;font-size:14.5px;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.faq-item{position:relative}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-item.open::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);z-index:1;
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:650;color:var(--text);transition:color .18s;
}
.faq-q:hover{color:var(--brand-700)}
.pm{position:relative;width:22px;height:22px;flex:0 0 auto}
.pm::before,.pm::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .22s,opacity .22s}
.pm::before{left:4px;right:4px;top:10px;height:2px}
.pm::after{top:4px;bottom:4px;left:10px;width:2px}
.faq-item.open .pm::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{padding:0 20px;font-size:15px;color:var(--text-2)}
.faq-item.open .faq-a{max-height:360px;padding-bottom:20px}

/* ---------- CTA 订阅 ---------- */
.cta{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--grad-ink);color:#fff;padding:46px 48px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;
  box-shadow:var(--sh-dark);
}
.cta::after{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  right:-140px;top:-180px;background:radial-gradient(circle,rgba(195,245,60,.22),transparent 66%);
  pointer-events:none;
}
.cta > *{position:relative;z-index:1}
.cta h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3}
.cta p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.8)}
.subscribe{display:flex;gap:10px;margin-bottom:12px}
.subscribe input{
  flex:1;min-width:0;height:48px;padding:0 16px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:#fff;
  transition:border-color .18s,box-shadow .18s,background .18s;
}
.subscribe input::placeholder{color:rgba(255,255,255,.58)}
.subscribe input:focus{outline:none;border-color:var(--brand);background:rgba(255,255,255,.14);box-shadow:0 0 0 4px rgba(255,90,46,.18)}
.subscribe .btn{background:#fff;color:var(--ink-900);flex:0 0 auto}
.subscribe .btn:hover{background:#FFF3EC}
.msg{font-size:13px;min-height:20px;color:rgba(255,255,255,.72)}
.msg.ok{color:var(--accent)}
.msg.err{color:#FFB4A6}
.cta .hint{font-size:12.5px;color:rgba(255,255,255,.55);margin-top:10px}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink-900);color:#C9D8D2;margin-top:76px;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer p{font-size:14.5px;line-height:1.8;color:rgba(201,216,210,.78)}
.footer h4{font-size:14px;color:var(--accent);letter-spacing:.04em;margin-bottom:14px;font-weight:700}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14.5px;color:#C9D8D2;transition:color .18s;width:fit-content}
.footer-links a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  margin-top:40px;border-top:1px solid rgba(255,255,255,.1);padding:18px 0 22px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(201,216,210,.62);
}

/* ---------- 断点 ---------- */
@media (min-width:1024px) and (max-width:1279px){
  .sidebar{width:84px;padding:0 12px 18px}
  .sidebar .brand-text,
  .sidebar .nav-item .label,
  .side-mini,
  .side-cta,
  .side-note{display:none}
  .sidebar .brand{justify-content:center;padding:0}
  .nav-item{justify-content:center;padding:0}
  .content{margin-left:84px}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .content{margin-left:0;padding-top:60px}
  .mobile-bar{display:flex}
  .main{padding-top:20px}
}
@media (max-width:900px){
  .hero-page{grid-template-columns:1fr;padding:38px 28px;gap:28px}
  .split{grid-template-columns:1fr;gap:24px}
  .split.reverse .split-media{order:0}
  .split + .split{margin-top:40px}
  .cta{grid-template-columns:1fr;padding:34px 26px;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{margin-top:52px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .step::after{display:none}
}
@media (max-width:768px){
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer{margin-top:52px;padding-top:44px}
}
@media (max-width:600px){
  .wrap{padding:0 16px}
  .hero-page{padding:30px 20px;border-radius:var(--r-lg)}
  .hero-actions .btn{width:100%}
  .hero-meta{gap:16px}
  .steps{grid-template-columns:1fr}
  .step{padding:20px 18px}
  .step{padding-left:70px}
  .step .step-no{position:absolute;left:18px;top:22px;margin:0}
  .step::after{display:none}
  .faq-q{padding:18px 16px;font-size:15px}
  .faq-a p{padding:0 16px}
  .subscribe{flex-direction:column}
  .subscribe .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .sec-head h2{font-size:24px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --brand:#FF5A2E;
  --brand-700:#E0431A;
  --brand-300:#FF9A7C;
  --brand-50:#FFF1EC;
  --accent:#C3F53C;
  --ink-900:#0B241E;
  --ink-700:#12352C;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --surface-2:#EFEDE6;
  --text:#17211F;
  --text-2:#5A6B66;
  --text-3:#8A9995;
  --line:#E6E2D9;
  --ok:#2FA37A;
  --warn:#F5B544;
  --err:#D94A3D;
  --grad-brand:linear-gradient(120deg,#FF5A2E 0%,#FF9A3C 60%,#C3F53C 130%);
  --grad-ink:radial-gradient(120% 120% at 15% 0%,#16453A 0%,#0B241E 70%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(11,36,30,.06);
  --sh-2:0 18px 44px rgba(11,36,30,.12);
  --sh-3:0 12px 32px rgba(0,0,0,.28);
  --sidebar-w:248px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;padding:0}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:3px}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink-900);color:#fff;padding:10px 18px;border-radius:0 0 var(--r-sm) 0;z-index:200}
.skip-link:focus{left:0}

.container,.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 侧边栏 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--grad-ink);
  display:flex;flex-direction:column;
  padding:0 16px 18px;overflow-y:auto;z-index:60;
  border-right:1px solid rgba(255,255,255,.05);
}
.side-brand{height:72px;display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-brand);color:#fff;font-size:12px;font-weight:800;letter-spacing:.04em;
}
.brand-text{color:#fff;font-weight:700;font-size:15px;letter-spacing:.02em;white-space:nowrap}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:10px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;border-radius:var(--r-sm);
  color:rgba(246,244,239,.76);font-size:15px;
  transition:background .18s,color .18s,transform .18s;
}
.nav-item .ico{width:22px;height:22px;flex:none;display:inline-flex;align-items:center;justify-content:center}
.nav-item .ico svg{width:20px;height:20px}
.nav-item .label{white-space:nowrap}
.nav-item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:0 3px 3px 0;background:var(--brand);
  opacity:0;transition:opacity .18s;
}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff;transform:translateX(2px)}
.nav-item.is-active{background:rgba(255,90,46,.14);color:#fff}
.nav-item.is-active::before{opacity:1}
.side-divider{height:1px;background:rgba(255,255,255,.08);margin:18px 4px}
.side-sub{display:flex;flex-direction:column;gap:2px}
.side-sub .nav-item{height:38px;font-size:14px;color:rgba(246,244,239,.62)}
.side-cta{margin-top:auto;padding-top:18px}
.side-foot{font-size:12px;color:rgba(246,244,239,.4);margin-top:14px;line-height:1.6}

/* ---------- 移动端顶栏与抽屉 ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:70;height:60px;
  align-items:center;justify-content:space-between;
  padding:0 16px;background:var(--ink-900);color:#fff;
  box-shadow:0 6px 18px rgba(11,36,30,.18);
}
.topbar .brand{display:flex;align-items:center;gap:10px}
.hamburger{
  width:44px;height:44px;border-radius:12px;display:inline-flex;
  align-items:center;justify-content:center;color:#fff;
  transition:background .18s;
}
.hamburger:hover{background:rgba(255,255,255,.1)}
.hamburger svg{width:22px;height:22px}
.mask{
  position:fixed;inset:0;background:rgba(11,36,30,.5);
  opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s;z-index:80;
}
.mask.is-open{opacity:1;visibility:visible}
.drawer{
  display:none;position:fixed;top:0;right:0;bottom:0;
  width:min(86vw,360px);background:var(--ink-900);
  transform:translateX(105%);
  transition:transform .28s cubic-bezier(.2,.7,.3,1);
  z-index:90;overflow-y:auto;padding:18px 16px 32px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;gap:10px;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.1)}
.drawer-close{
  margin-left:auto;width:40px;height:40px;border-radius:12px;color:#fff;
  font-size:22px;line-height:1;display:inline-flex;align-items:center;justify-content:center;
  transition:background .18s;
}
.drawer-close:hover{background:rgba(255,255,255,.1)}
.drawer-nav{display:flex;flex-direction:column;padding:8px 0 18px}
.drawer-nav .nav-item{height:52px;border-radius:0;border-bottom:1px solid rgba(255,255,255,.07);padding:0 6px}
.drawer-nav .nav-item:hover{transform:none;background:rgba(255,255,255,.05)}
.drawer-nav .nav-item::before{display:none}
.drawer-nav .nav-item.is-active{background:rgba(255,90,46,.14);color:#fff}

/* ---------- 主区 ---------- */
.main-wrap{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
.section{padding:72px 0}
.section-tight{padding:36px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(24px,3vw,36px)}
.sec-head p{color:var(--text-2);font-size:15px;margin-top:8px;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,90,46,.16);color:var(--brand-300);
  font-size:13px;font-weight:650;letter-spacing:.04em;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:650;white-space:nowrap;cursor:pointer;
  border:1.5px solid transparent;
  transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s,background .18s,color .18s,border-color .18s;
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(255,90,46,.28)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 34px rgba(255,90,46,.34)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(255,90,46,.24)}
.btn-outline{background:transparent;border-color:var(--ink-900);color:var(--ink-900)}
.btn-outline:hover{background:var(--ink-900);color:#fff}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-accent-outline{background:transparent;border-color:var(--accent);color:var(--accent)}
.btn-accent-outline:hover{background:rgba(195,245,60,.14)}
.btn-on-dark{background:#fff;color:var(--ink-900);box-shadow:0 10px 24px rgba(0,0,0,.24)}
.btn-on-dark:hover{background:rgba(255,255,255,.9);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.4;cursor:not-allowed}

.link-more{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:650;font-size:15px;white-space:nowrap;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:-4px;width:26px;height:3px;
  border-radius:3px;background:var(--brand);
  transition:width .22s cubic-bezier(.2,.7,.3,1);
}
.link-more:hover::after{width:100%}

/* ---------- Hero ---------- */
.hero{padding:48px 0 8px}
.hero-panel{
  position:relative;overflow:hidden;
  background:var(--grad-ink);
  border-radius:28px;padding:52px;
  display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center;
  box-shadow:var(--sh-2);
}
.hero-panel::after{
  content:"";position:absolute;right:-160px;top:-190px;width:520px;height:520px;
  border-radius:50%;background:rgba(255,90,46,.10);pointer-events:none;
}
.hero-copy,.hero-visual{position:relative;z-index:1}
.hero-copy h1{
  margin:18px 0 0;
  font-size:clamp(30px,4.4vw,52px);
  font-weight:800;line-height:1.15;color:#fff;
}
.hero-sub{margin-top:16px;font-size:17px;color:rgba(255,255,255,.74);max-width:520px}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-points{display:flex;gap:20px;margin-top:26px;flex-wrap:wrap}
.hero-points li{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:rgba(255,255,255,.72);
}
.hero-points li svg{width:16px;height:16px;color:var(--accent);flex:none}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:24px;
  filter:saturate(.92) contrast(1.04);
}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:24px;
  background:linear-gradient(160deg,rgba(11,36,30,.55) 0%,rgba(11,36,30,.08) 55%,rgba(255,90,46,.18) 100%);
  pointer-events:none;
}
.float-card{
  position:absolute;z-index:2;
  background:rgba(255,255,255,.96);border-radius:var(--r-md);
  padding:12px 16px;box-shadow:var(--sh-2);
  display:flex;flex-direction:column;gap:2px;
}
.float-card .num{
  font-size:22px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.float-card .lab{font-size:12px;color:var(--text-2)}
.fc1{left:-18px;bottom:22px}
.fc2{right:-14px;top:22px}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;box-shadow:var(--sh-1);
  transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.stat .num{
  font-size:clamp(28px,3.4vw,38px);font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.stat .lab{font-size:13px;color:var(--text-2);margin-top:4px}

/* ---------- Bento ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.cell{
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);
  transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s,border-color .18s;
}
.cell::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--grad-brand);opacity:0;transition:opacity .18s;
}
.cell:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,90,46,.28)}
.cell:hover::before{opacity:1}
.cell h3{font-size:20px;margin-bottom:10px}
.cell p{font-size:15px;color:var(--text-2);line-height:1.75}
.cell-tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--brand-50);color:var(--brand-700);
  font-size:12px;font-weight:650;margin-bottom:14px;
}
.c-a{grid-column:span 7;grid-row:span 2;display:flex;flex-direction:column}
.c-a img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:18px;margin-bottom:20px}
.c-b{grid-column:span 5}
.c-c{grid-column:span 5}
.c-d{grid-column:span 4}
.c-e{grid-column:span 4}
.c-f{grid-column:span 4}
.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}
.mini-stat{
  background:var(--brand-50);border-radius:var(--r-sm);
  padding:12px 10px;text-align:center;
}
.mini-stat .num{
  display:block;font-size:22px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.15;
}
.mini-stat .lab{font-size:12px;color:var(--text-2)}
.cell-list{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.cell-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--text-2);
}
.cell-list li svg{width:16px;height:16px;color:var(--ok);flex:none;margin-top:5px}

/* ---------- 对照行 ---------- */
.cmp{display:flex;flex-direction:column;gap:12px}
.cmp-row{
  display:grid;grid-template-columns:190px 1fr auto;gap:22px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 22px;box-shadow:var(--sh-1);
  transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s,border-color .18s;
}
.cmp-row:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(255,90,46,.32)}
.cmp-label{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:700;font-size:15px;
}
.cmp-label .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);flex:none}
.cmp-text{font-size:15px;color:var(--text-2)}
.cmp-badge{
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--surface-2);color:var(--text-2);
  font-size:12px;font-weight:650;white-space:nowrap;
}

/* ---------- FAQ ---------- */
.faq{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:8px 24px;box-shadow:var(--sh-1);
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:20px 0;text-align:left;
  font-size:16px;font-weight:650;color:var(--text);cursor:pointer;
  transition:color .18s;
}
.faq-q:hover{color:var(--brand)}
.faq-q::before{
  content:"";position:absolute;left:-24px;top:50%;transform:translateY(-50%);
  width:3px;height:24px;border-radius:0 3px 3px 0;background:var(--brand);
  opacity:0;transition:opacity .18s;
}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-icon{position:relative;width:20px;height:20px;flex:none}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform .22s,opacity .22s;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a p{padding:0 40px 22px 0;font-size:15px;color:var(--text-2)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--grad-ink);border-radius:var(--r-lg);
  padding:48px;display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;
  box-shadow:var(--sh-2);
}
.cta-band::after{
  content:"";position:absolute;left:-120px;bottom:-200px;width:440px;height:440px;
  border-radius:50%;background:rgba(195,245,60,.08);pointer-events:none;
}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{color:#fff;font-size:clamp(24px,3vw,34px)}
.cta-copy p{color:rgba(255,255,255,.72);font-size:15px;margin-top:12px;max-width:460px}
.cta-form{position:relative;z-index:1}
.field{display:flex;gap:12px}
.input{
  flex:1;height:48px;padding:0 16px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.1);
  color:#fff;outline:none;transition:border-color .18s,box-shadow .18s,background .18s;
}
.input::placeholder{color:rgba(255,255,255,.52)}
.input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(195,245,60,.18);background:rgba(255,255,255,.14)}
.input.is-error{border-color:var(--err);box-shadow:0 0 0 4px rgba(217,74,61,.16)}
.form-msg{font-size:13px;margin-top:10px;display:none}
.form-msg.err{color:#FFB3AA}
.form-msg.ok{color:var(--accent)}
.cta-note{font-size:12px;color:rgba(255,255,255,.5);margin-top:14px}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink-900);color:rgba(246,244,239,.72);padding:64px 0 26px;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer h4{font-size:14px;color:var(--brand-300);margin-bottom:14px;letter-spacing:.03em}
.footer p{font-size:14px;line-height:1.8;color:rgba(246,244,239,.66)}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-links a{color:rgba(246,244,239,.68);transition:color .16s}
.footer-links a:hover{color:var(--brand-300);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:42px;padding-top:20px;font-size:13px;
  color:rgba(246,244,239,.48);border-top:1px solid rgba(255,255,255,.08);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s cubic-bezier(.2,.7,.3,1)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px) and (min-width:1024px){
  :root{--sidebar-w:84px}
  .sidebar{padding:0 12px 18px}
  .side-brand{justify-content:center}
  .brand-text{display:none}
  .nav-item{justify-content:center;padding:0}
  .nav-item .label{
    position:absolute;left:70px;top:50%;transform:translateY(-50%) translateX(-6px);
    background:var(--ink-700);color:#fff;padding:6px 12px;border-radius:8px;
    font-size:13px;white-space:nowrap;box-shadow:var(--sh-3);
    opacity:0;pointer-events:none;transition:opacity .18s,transform .18s;z-index:5;
  }
  .nav-item:hover .label,.nav-item:focus-visible .label{opacity:1;transform:translateY(-50%) translateX(0)}
  .nav-item:hover{transform:none}
  .side-sub{display:none}
  .side-foot{display:none}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .topbar{display:flex}
  .drawer{display:block}
  .main-wrap{margin-left:0}
  .hero-panel{grid-template-columns:1fr;gap:32px;padding:38px}
  .cta-band{grid-template-columns:1fr;gap:28px;padding:36px}
  .bento{grid-template-columns:repeat(6,1fr)}
  .c-a{grid-column:span 6;grid-row:auto}
  .c-b,.c-c{grid-column:span 6}
  .c-d,.c-e,.c-f{grid-column:span 3}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  body{font-size:15px}
  .container,.wrap{padding:0 16px}
  .section{padding:48px 0}
  .section-tight{padding:26px 0}
  .hero{padding:28px 0 4px}
  .hero-panel{padding:26px 20px;border-radius:22px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-points{gap:12px}
  .fc1{left:-8px;bottom:-10px}
  .fc2{right:-8px;top:-10px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .bento{grid-template-columns:1fr;gap:14px}
  .c-a,.c-b,.c-c,.c-d,.c-e,.c-f{grid-column:span 1}
  .cell{padding:20px;border-radius:20px}
  .cmp-row{grid-template-columns:1fr;gap:8px;padding:16px 18px}
  .cmp-badge{justify-self:start}
  .faq{padding:4px 18px}
  .faq-q{font-size:15px;padding:18px 0}
  .faq-q::before{left:-18px}
  .faq-a p{padding-right:12px}
  .cta-band{padding:26px 20px}
  .field{flex-direction:column}
  .field .btn{width:100%}
  .footer{padding:48px 0 20px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
}