/* roulang page: index */
/* ===================== 设计变量 ===================== */
:root{
  --c-ink:#0A1211;
  --c-ink-2:#14201D;
  --c-primary:#0E4F3C;
  --c-primary-dark:#0A3A2C;
  --c-accent:#C8F45C;
  --c-secondary:#FF6B2C;
  --c-bg:#F5F6F1;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF1E9;
  --c-text:#1B211F;
  --c-text-2:#5A6560;
  --c-text-3:#93A09A;
  --c-line:#E3E7DF;
  --c-line-strong:#C9D1C4;
  --r-s:8px;--r-m:14px;--r-l:22px;--r-pill:999px;
  --sh-1:0 2px 6px rgba(10,18,17,.06);
  --sh-2:0 12px 28px rgba(10,18,17,.10);
  --sh-3:0 24px 56px rgba(10,18,17,.18);
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:40px;--sp-5:64px;--sp-6:96px;
  --tr:.22s ease;
  --font-num:"Barlow Condensed","Barlow","Helvetica Neue",Arial,sans-serif;
}

/* ===================== reset / base ===================== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--c-bg);color:var(--c-text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;line-height:1.9;font-weight:400;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color var(--tr),background-color var(--tr),border-color var(--tr),transform var(--tr),box-shadow var(--tr)}
a:hover{color:var(--c-primary-dark)}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0}
input{font:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:0;color:var(--c-text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ===================== 容器 / 区块 ===================== */
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.band{padding:var(--sp-6) 0;background:var(--c-bg)}
.band-white{background:var(--c-surface)}
.band-dark{background:var(--c-ink)}
.band-plain{background:var(--c-surface-2);padding:var(--sp-6) 0}
.band-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.band-head h2{display:flex;align-items:center;gap:12px;font-size:30px;font-weight:700}
.band-head h2::before{content:"";width:4px;height:20px;border-radius:2px;background:var(--c-accent);flex:none}
.band-sub{margin-top:8px;font-size:15px;line-height:1.7;color:var(--c-text-2)}
.band-dark .band-head h2{color:#fff}
.band-dark .band-sub{color:rgba(255,255,255,.62)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary)}
.link-arrow i{font-size:12px;transition:transform var(--tr)}
.link-arrow:hover i{transform:translateX(4px)}
.band-dark .link-arrow{color:var(--c-accent)}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:16px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background-color var(--tr),color var(--tr),border-color var(--tr),transform var(--tr),box-shadow var(--tr);
}
.btn-primary{background:var(--c-accent);color:var(--c-ink)}
.btn-primary:hover{background:#D6F97F;color:var(--c-ink);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}
.btn-outline{background:transparent;border-color:var(--c-line-strong);color:var(--c-text)}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(14,79,60,.06)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}

/* ===================== 徽章 ===================== */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1;white-space:nowrap}
.badge-solid{background:var(--c-primary);color:#fff}
.badge-outline{background:rgba(14,79,60,.06);border:1px solid rgba(14,79,60,.28);color:var(--c-primary)}
.badge-lime{background:var(--c-accent);color:var(--c-ink)}

/* ===================== 顶部导航 ===================== */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(10,18,17,.94);
  border-bottom:1px solid rgba(255,255,255,.08);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:box-shadow var(--tr),background-color var(--tr);
}
.site-header.is-scrolled{background:rgba(10,18,17,1);box-shadow:var(--sh-2)}
.nav-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:19px;font-weight:800;white-space:nowrap}
.brand:hover{color:#fff}
.brand-mark{
  width:28px;height:28px;flex:none;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-accent),#79B62B);color:var(--c-ink);font-size:14px;font-weight:800;
}
.brand em{font-style:normal;color:var(--c-accent)}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:4px}
.nav-links a{position:relative;display:inline-block;padding:8px 12px;border-radius:var(--r-s);font-size:15px;color:rgba(255,255,255,.72)}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-links a.is-active{color:#fff;font-weight:600}
.nav-links a.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background:var(--c-accent)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-search{
  display:flex;align-items:center;gap:8px;height:38px;min-width:236px;padding:0 8px 0 14px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.13);
  color:rgba(255,255,255,.6);transition:border-color var(--tr),background-color var(--tr);
}
.nav-search:focus-within{border-color:var(--c-accent);background:rgba(255,255,255,.12)}
.nav-search i{font-size:13px}
.nav-search input{flex:1;min-width:0;background:transparent;border:0;outline:none;color:#fff;font-size:14px}
.nav-search input::placeholder{color:rgba(255,255,255,.48)}
.keycap{font-size:11px;line-height:1;padding:4px 6px;border-radius:6px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.66);font-family:var(--font-num)}
.icon-btn{
  width:38px;height:38px;flex:none;border-radius:var(--r-pill);display:grid;place-items:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.13);color:rgba(255,255,255,.82);
  transition:background-color var(--tr),color var(--tr);
}
.icon-btn:hover{background:rgba(255,255,255,.18);color:#fff}
.hamburger{display:none;width:40px;height:40px;border-radius:var(--r-s);border:1px solid rgba(255,255,255,.16);flex-direction:column;align-items:center;justify-content:center;gap:4px}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:#fff}
.drawer{
  position:fixed;top:0;right:0;z-index:120;width:min(86vw,340px);height:100%;
  background:var(--c-ink);border-left:1px solid rgba(255,255,255,.08);
  transform:translateX(102%);transition:transform var(--tr);
  padding:24px 22px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer a.drawer-link{display:block;padding:16px 4px;font-size:16px;color:rgba(255,255,255,.82);border-bottom:1px solid rgba(255,255,255,.09)}
.drawer a.drawer-link.is-active{color:var(--c-accent);font-weight:600}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;margin:16px 0 8px;padding:0 14px;border-radius:var(--r-m);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.13);color:rgba(255,255,255,.6)}
.drawer-search input{flex:1;min-width:0;background:transparent;border:0;outline:none;color:#fff;font-size:14px}
.drawer .btn{width:100%;margin-top:14px}
.drawer-mask{position:fixed;inset:0;z-index:110;background:rgba(10,18,17,.6);opacity:0;visibility:hidden;transition:opacity var(--tr),visibility var(--tr)}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ===================== Hero ===================== */
.hero{position:relative;min-height:560px;height:78vh;display:flex;align-items:center;overflow:hidden;background:var(--c-ink)}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.6}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(120deg,rgba(10,18,17,.94) 0%,rgba(10,18,17,.80) 44%,rgba(10,18,17,.26) 100%),
    linear-gradient(to top,rgba(10,18,17,.98) 0%,rgba(10,18,17,0) 34%);
}
.hero-inner{position:relative;z-index:2;display:flex;align-items:flex-end;justify-content:space-between;gap:32px;width:100%}
.hero-content{max-width:660px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:var(--r-pill);background:rgba(200,244,92,.14);border:1px solid rgba(200,244,92,.4);color:var(--c-accent);font-size:13px;font-weight:600;margin-bottom:20px}
.hero h1{font-size:clamp(28px,4vw,44px);line-height:1.24;font-weight:800;color:#fff;margin-bottom:16px}
.hero-sub{font-size:17px;line-height:1.7;color:rgba(255,255,255,.8);margin-bottom:18px}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:28px}
.hero-meta li{display:inline-flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.7)}
.hero-meta li:not(:last-child)::after{content:"";width:4px;height:4px;border-radius:50%;background:var(--c-accent)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-card{
  flex:none;padding:18px 22px;border-radius:var(--r-m);
  background:rgba(20,32,29,.72);border:1px solid rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  display:flex;flex-direction:column;gap:2px;min-width:158px;
}
.hero-card-num{font-family:var(--font-num);font-size:38px;line-height:1;font-weight:700;color:var(--c-accent)}
.hero-card-text{font-size:13px;color:rgba(255,255,255,.75)}

/* ===================== 横滑片库 ===================== */
.rail-band{padding:var(--sp-5) 0;background:var(--c-ink)}
.rail-shell{position:relative;margin-top:var(--sp-4)}
.rail{display:flex;gap:16px;overflow-x:auto;padding:4px 32px 14px;scroll-snap-type:x mandatory;scroll-behavior:smooth;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail-card{flex:0 0 240px;scroll-snap-align:start;border-radius:var(--r-m);overflow:hidden;background:var(--c-ink-2);border:1px solid rgba(255,255,255,.09);display:block;transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr)}
.rail-card:hover{transform:translateY(-4px);border-color:var(--c-accent);box-shadow:var(--sh-2)}
.rail-media{position:relative;aspect-ratio:4/3;overflow:hidden}
.rail-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--tr)}
.rail-card:hover .rail-media img{transform:scale(1.03)}
.rail-veil{position:absolute;left:0;right:0;bottom:0;height:70%;background:linear-gradient(to top,rgba(10,18,17,.94),rgba(10,18,17,0))}
.rail-cap{position:absolute;left:14px;right:14px;bottom:12px;display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.rail-cap h3{font-size:15px;line-height:1.5;font-weight:600;color:#fff;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-btn{
  position:absolute;top:50%;transform:translateY(-50%);z-index:5;
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  background:rgba(10,18,17,.86);border:1px solid rgba(255,255,255,.28);color:#fff;
  transition:background-color var(--tr),border-color var(--tr);
}
.rail-btn:hover{background:var(--c-primary);border-color:var(--c-accent)}
.rail-prev{left:6px}
.rail-next{right:6px}

/* ===================== 卡片网格 ===================== */
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:var(--sp-4)}
.card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow var(--tr),border-color var(--tr),transform var(--tr)}
.card:hover{box-shadow:var(--sh-2);border-color:rgba(14,79,60,.32);transform:translateY(-3px)}
.card-link{display:block;color:inherit}
.card-link:hover{color:inherit}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--tr)}
.card:hover .card-media img{transform:scale(1.03)}
.card-badge{position:absolute;left:12px;top:12px}
.card-body{padding:18px 18px 20px}
.card-title{font-size:17px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-desc{margin-top:8px;font-size:15px;line-height:1.7;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:8px;margin-top:14px;font-size:13px;color:var(--c-text-3)}
.card-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--c-line-strong)}

/* ===================== 分栏 7-5 主推 ===================== */
.split-7-5{display:grid;grid-template-columns:7fr 5fr;gap:32px;margin-top:var(--sp-4);align-items:start}
.feature-card{position:relative;display:block;border-radius:var(--r-m);overflow:hidden;min-height:340px;aspect-ratio:16/10;box-shadow:var(--sh-1)}
.feature-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform var(--tr)}
.feature-card:hover img{transform:scale(1.03)}
.feature-card::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(10,18,17,.94) 4%,rgba(10,18,17,.24) 62%,rgba(10,18,17,.06) 100%)}
.feature-overlay{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:26px;display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.feature-overlay h3{font-size:23px;font-weight:700;color:#fff;line-height:1.4}
.feature-overlay p{font-size:15px;line-height:1.7;color:rgba(255,255,255,.78)}
.compact-list{border-top:1px solid var(--c-line)}
.compact-list li{border-bottom:1px solid var(--c-line)}
.compact-list a{display:flex;align-items:center;gap:14px;padding:14px 10px;color:inherit;transition:background-color var(--tr),transform var(--tr)}
.compact-list a:hover{background:var(--c-surface-2);color:inherit;transform:translateX(2px)}
.compact-list img{width:60px;height:60px;flex:none;border-radius:var(--r-s);object-fit:cover}
.compact-list h4{font-size:16px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.compact-meta{margin-top:6px;font-size:13px;color:var(--c-text-3)}

/* ===================== 榜单 ===================== */
.rank-list{margin-top:var(--sp-4);border-top:1px solid var(--c-line)}
.rank-list li{border-bottom:1px solid var(--c-line)}
.rank-list a{display:flex;align-items:center;gap:22px;min-height:84px;padding:14px 16px;color:inherit;transition:background-color var(--tr)}
.rank-list a:hover{background:var(--c-surface-2);color:inherit}
.rank-num{flex:none;width:52px;font-family:var(--font-num);font-size:34px;line-height:1;font-weight:700;color:var(--c-line-strong)}
.rank-list a:hover .rank-num{color:var(--c-primary)}
.rank-body{flex:1;min-width:0}
.rank-body h3{font-size:17px;font-weight:600;line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-body p{margin-top:4px;font-size:15px;color:var(--c-text-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-time{flex:none;font-size:13px;color:var(--c-text-3)}

/* ===================== 图文交错 ===================== */
.stagger-wrap{background:var(--c-surface-2);border-radius:var(--r-l);padding:var(--sp-5) var(--sp-4)}
.stagger-row{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;margin-top:var(--sp-4)}
.stagger-row.is-reverse .stagger-media{order:2}
.stagger-row.is-reverse .stagger-text{order:1}
.stagger-media{border-radius:var(--r-m);overflow:hidden;aspect-ratio:16/10;background:var(--c-surface)}
.stagger-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--tr)}
.stagger-media:hover img{transform:scale(1.03)}
.stagger-text h3{margin-top:14px;font-size:22px;font-weight:600;line-height:1.5}
.stagger-text p{margin-top:12px;font-size:16px;line-height:1.85;color:var(--c-text-2)}
.stagger-text .link-arrow{margin-top:16px}

/* ===================== CMS 资讯板块 ===================== */
.cms-split{display:grid;grid-template-columns:5fr 7fr;gap:32px;margin-top:var(--sp-4);align-items:start}
.cms-feature{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow var(--tr),border-color var(--tr)}
.cms-feature:hover{box-shadow:var(--sh-2);border-color:rgba(14,79,60,.3)}
.cms-feature-link{display:block;color:inherit}
.cms-feature-link:hover{color:inherit}
.cms-feature-media{aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-2)}
.cms-feature-media img{width:100%;height:100%;object-fit:cover}
.cms-feature-body{padding:20px}
.cms-feature-body h3{margin-top:12px;font-size:20px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-feature-body p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.cms-meta{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:13px;color:var(--c-text-3);flex-wrap:wrap}
.cms-list{border-top:1px solid var(--c-line)}
.cms-list li{border-bottom:1px solid var(--c-line)}
.cms-list a{display:block;padding:16px 12px;color:inherit;transition:background-color var(--tr)}
.cms-list a:hover{background:var(--c-surface-2);color:inherit}
.cms-list h4{font-size:16px;font-weight:600;line-height:1.55;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cms-list p{margin-top:6px;font-size:14px;line-height:1.7;color:var(--c-text-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cms-list .cms-meta{margin-top:8px}
.empty-state{
  margin-top:var(--sp-4);min-height:240px;border:1px dashed var(--c-line-strong);border-radius:var(--r-m);
  background:var(--c-surface);display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:var(--sp-5) var(--sp-3);text-align:center;
}
.empty-state i{font-size:30px;color:var(--c-line-strong)}
.empty-state p{font-size:15px;color:var(--c-text-2)}

/* ===================== FAQ ===================== */
.faq{max-width:860px;margin-top:var(--sp-4);border-top:1px solid var(--c-line)}
.faq details{border-bottom:1px solid var(--c-line)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:12px 10px;font-size:17px;font-weight:600;color:var(--c-text);
  transition:color var(--tr),background-color var(--tr);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--c-primary);background:var(--c-surface-2)}
.faq summary i{flex:none;font-size:13px;color:var(--c-text-3);transition:transform var(--tr),color var(--tr)}
.faq details[open] summary{color:var(--c-primary)}
.faq details[open] summary i{transform:rotate(180deg);color:var(--c-primary)}
.faq details[open] summary::before{content:"";position:absolute}
.faq .faq-q{position:relative;padding-left:16px}
.faq .faq-q::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:18px;border-radius:2px;background:var(--c-line-strong);transition:background-color var(--tr)}
.faq details[open] .faq-q::before{background:var(--c-accent)}
.faq .faq-a{padding:2px 10px 22px 26px;font-size:15px;line-height:1.85;color:var(--c-text-2)}

/* ===================== CTA / 表单 ===================== */
.cta-band{background:var(--c-ink);padding:var(--sp-6) 0}
.cta-inner{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;background:var(--c-ink-2);border:1px solid rgba(255,255,255,.09);border-radius:var(--r-l);padding:var(--sp-5);position:relative;overflow:hidden}
.cta-left h2{font-size:30px;font-weight:700;color:#fff}
.cta-left>p{margin-top:12px;font-size:16px;line-height:1.7;color:rgba(255,255,255,.72)}
.subscribe-form{display:flex;gap:12px;margin-top:24px}
.subscribe-form input{
  flex:1;min-width:0;height:46px;padding:0 16px;border-radius:var(--r-s);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);color:#fff;
  transition:border-color var(--tr),background-color var(--tr);
}
.subscribe-form input::placeholder{color:rgba(255,255,255,.45)}
.subscribe-form input:focus{outline:none;border-color:var(--c-accent);background:rgba(255,255,255,.12);box-shadow:0 0 0 2px rgba(200,244,92,.25)}
.form-note{margin-top:12px;font-size:12px;line-height:1.6;color:rgba(255,255,255,.5)}
.form-error{margin-top:10px;font-size:13px;color:var(--c-secondary)}
.poster-stack{position:relative;height:230px}
.poster-stack img{position:absolute;width:62%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-m);border:1px solid rgba(200,244,92,.5);box-shadow:var(--sh-3)}
.poster-stack img:nth-child(1){top:6%;left:0;transform:rotate(-4deg)}
.poster-stack img:nth-child(2){top:26%;left:19%;transform:rotate(2deg);z-index:2}
.poster-stack img:nth-child(3){top:46%;left:38%;transform:rotate(6deg)}

/* ===================== 页脚 ===================== */
.site-footer{background:var(--c-ink);padding:var(--sp-6) 0 0;color:rgba(255,255,255,.78)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:var(--sp-5)}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:280px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{width:38px;height:38px;border-radius:var(--r-pill);display:grid;place-items:center;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);color:rgba(255,255,255,.8)}
.footer-social a:hover{background:rgba(200,244,92,.16);border-color:var(--c-accent);color:var(--c-accent)}
.footer-col h3{font-size:14px;font-weight:600;color:rgba(255,255,255,.6);margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.78)}
.footer-col a:hover{color:var(--c-accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom span,.footer-bottom a{font-size:13px;color:var(--c-text-3)}
.footer-bottom a:hover{color:var(--c-accent)}

/* ===================== 响应式 ===================== */
@media (min-width:1440px){
  .container{max-width:1320px}
  .rail-card{flex-basis:280px}
}
@media (max-width:1200px){
  .container{padding:0 24px}
  .nav-search{min-width:180px}
  .nav-links a{padding:8px 9px;font-size:14px}
}
@media (max-width:992px){
  :root{--sp-6:72px;--sp-5:48px}
  .band-head h2{font-size:26px}
  .split-7-5,.cms-split{grid-template-columns:1fr}
  .card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .poster-stack{height:200px;max-width:420px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .nav-links{display:none}
  .nav-search{display:none}
  .hamburger{display:flex}
  .stagger-row{grid-template-columns:1fr;gap:24px}
  .stagger-row.is-reverse .stagger-media{order:0}
  .stagger-row.is-reverse .stagger-text{order:0}
}
@media (max-width:768px){
  :root{--sp-6:56px;--sp-5:40px}
  .container{padding:0 18px}
  body{font-size:16px}
  .hero{height:auto;min-height:0;padding:76px 0 64px}
  .hero-inner{flex-direction:column;align-items:flex-start}
  .hero-card{min-width:140px}
  .hero-card-num{font-size:32px}
  .band-head h2{font-size:23px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .rail{padding:4px 18px 14px;scroll-snap-type:x mandatory}
  .rail-card{flex:0 0 78vw}
  .rail-btn{display:none}
  .rank-list a{gap:14px;padding:12px 8px}
  .rank-num{width:40px;font-size:26px}
  .rank-body p{display:none}
  .subscribe-form{flex-direction:column}
  .subscribe-form .btn{width:100%}
  .cta-inner{padding:var(--sp-4) var(--sp-3)}
  .stagger-wrap{padding:var(--sp-4) var(--sp-3)}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  .card-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .feature-card{min-height:280px}
  .cms-list h4{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
  .cms-list p{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --c-ink:#0A1211;
  --c-ink-2:#14201D;
  --c-primary:#0E4F3C;
  --c-primary-dark:#0A3A2C;
  --c-accent:#C8F45C;
  --c-secondary:#FF6B2C;
  --c-bg:#F5F6F1;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF1E9;
  --c-text:#1B211F;
  --c-text-2:#5A6560;
  --c-text-3:#93A09A;
  --c-line:#E3E7DF;
  --c-line-strong:#C9D1C4;
  --r-s:8px;
  --r-m:14px;
  --r-l:22px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(10,18,17,.06);
  --sh-2:0 12px 28px rgba(10,18,17,.10);
  --sh-3:0 24px 56px rgba(10,18,17,.18);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:40px; --sp-5:64px; --sp-6:96px;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Barlow Condensed",var(--font-sans);
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,box-shadow .22s ease;}
a:hover{color:var(--c-primary-dark);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
h1{font-size:40px;line-height:1.25;font-weight:800;letter-spacing:0;}
h2{font-size:30px;line-height:1.35;font-weight:700;}
h3{font-size:22px;line-height:1.5;font-weight:600;}
.num{font-family:var(--font-num);font-weight:600;letter-spacing:.02em;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.section{padding:var(--sp-6) 0;}
.section-tight{padding:var(--sp-5) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:var(--sp-4);}
.section-title{display:flex;align-items:center;gap:12px;}
.section-title::before{content:"";width:4px;height:20px;background:var(--c-accent);border-radius:2px;}
.more-link{font-size:15px;font-weight:500;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;}
.more-link i{transition:transform .22s ease;}
.more-link:hover i{transform:translateX(4px);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--c-ink);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:box-shadow .22s ease,background-color .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);background:#08100F;}
.nav-wrap{display:flex;align-items:center;gap:24px;height:var(--nav-h);}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:19px;font-weight:800;flex:0 0 auto;}
.brand:hover{color:#fff;}
.brand-mark{
  width:28px;height:28px;border-radius:9px;background:var(--c-accent);color:var(--c-ink);
  display:grid;place-items:center;font-size:15px;font-weight:800;line-height:1;
}
.brand-text em{font-style:normal;color:var(--c-accent);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-links a{
  position:relative;display:inline-block;padding:8px 12px;border-radius:var(--r-pill);
  font-size:15px;color:rgba(255,255,255,.7);
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.07);}
.nav-links a.is-active{color:#fff;}
.nav-links a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--c-accent);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;min-width:210px;
  padding:0 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
  transition:border-color .22s ease,background-color .22s ease;
}
.search-box:focus-within{border-color:var(--c-accent);background:rgba(255,255,255,.12);}
.search-box i{color:rgba(255,255,255,.55);font-size:13px;}
.search-box input{
  flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;color:#fff;font-size:14px;
}
.search-box input::placeholder{color:rgba(255,255,255,.5);}
.kbd{
  font-family:var(--font-num);font-size:12px;color:rgba(255,255,255,.7);
  border:1px solid rgba(255,255,255,.22);border-radius:6px;padding:1px 6px;line-height:1.5;
}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#fff;display:grid;place-items:center;cursor:pointer;
  transition:background-color .22s ease,border-color .22s ease,transform .22s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.3);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-primary{background:var(--c-accent);color:var(--c-ink);}
.btn-primary:hover{background:#d4fa72;color:var(--c-ink);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;}
.btn-outline{background:transparent;color:var(--c-primary);border-color:var(--c-line-strong);}
.btn-outline:hover{background:var(--c-surface-2);color:var(--c-primary-dark);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.menu-toggle{display:none;}

/* ============ 文章页头 ============ */
.article-hero{position:relative;background:var(--c-ink);color:#fff;padding:28px 0 56px;overflow:hidden;}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.26;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(10,18,17,.94) 12%,rgba(10,18,17,.62) 78%);
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.55);}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb .sep{color:rgba(255,255,255,.32);}
.breadcrumb .current{color:rgba(255,255,255,.55);}
.article-head{margin-top:26px;max-width:880px;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:500;line-height:1;
}
.badge-solid{background:var(--c-accent);color:var(--c-ink);}
.badge-outline{border:1px solid rgba(255,255,255,.34);color:#fff;background:rgba(255,255,255,.06);}
.badge-soft{border:1px solid var(--c-line-strong);color:var(--c-primary);background:var(--c-surface);}
.article-head h1{margin:18px 0 20px;font-size:38px;line-height:1.35;color:#fff;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.62);}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.35);}
.meta-row .num{font-size:14px;color:rgba(255,255,255,.82);}

/* ============ 栅格 ============ */
.grid-x{display:flex;flex-wrap:wrap;}
.grid-x > .cell{padding-left:0;padding-right:0;min-width:0;}
.gutter-40{margin-left:-20px;margin-right:-20px;}
.gutter-40 > .cell{padding-left:20px;padding-right:20px;}
@media (min-width:1024px){
  .lg-8{flex:0 0 66.6667%;max-width:66.6667%;}
  .lg-4{flex:0 0 33.3333%;max-width:33.3333%;}
}

/* ============ 正文 ============ */
.article-main{padding:var(--sp-5) 0 var(--sp-6);}
.article-body{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);
  padding:44px 46px;box-shadow:var(--sh-1);overflow-wrap:anywhere;
}
.article-body p{margin-bottom:1.5em;line-height:1.95;}
.article-body h2{
  position:relative;margin:var(--sp-4) 0 18px;padding-left:16px;
  font-size:26px;line-height:1.4;font-weight:700;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;
  background:var(--c-accent);border-radius:2px;
}
.article-body h3{font-size:20px;font-weight:600;margin:28px 0 12px;}
.article-body ul,.article-body ol{margin:0 0 1.5em 1.4em;padding-left:.6em;line-height:1.8;}
.article-body li{margin-bottom:8px;}
.article-body blockquote{
  margin:0 0 1.5em;padding:20px 24px;border-left:3px solid var(--c-primary);
  background:var(--c-surface-2);border-radius:0 var(--r-m) var(--r-m) 0;color:var(--c-text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{max-width:100%;height:auto;border-radius:var(--r-m);margin:24px auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 1.5em;font-size:15px;}
.article-body th{background:var(--c-surface-2);text-align:left;font-weight:600;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--c-line);}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--c-primary-dark);}
.article-body .tip-bar,.tip-bar{
  margin:0 0 1.5em;padding:16px 20px;border-left:4px solid var(--c-accent);
  background:rgba(200,244,92,.14);border-radius:0 var(--r-s) var(--r-s) 0;
}
.tip-bar strong{color:var(--c-primary-dark);}
.empty-state{
  text-align:center;padding:var(--sp-5) var(--sp-3);border:1px dashed var(--c-line-strong);
  border-radius:var(--r-m);background:var(--c-surface-2);
}
.empty-state i{font-size:28px;color:var(--c-text-3);}
.empty-state p{margin:14px 0 20px;font-size:15px;color:var(--c-text-2);}

/* ============ 侧栏 ============ */
.side-col{position:relative;}
.sticky-box{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);
  padding:22px;box-shadow:var(--sh-1);
}
.side-card h3{margin-bottom:14px;font-size:16px;font-weight:700;}
.toc ul{list-style:none;margin:0;padding:0;}
.toc li{margin-bottom:8px;font-size:14px;line-height:1.6;}
.toc li.toc-sub{padding-left:14px;font-size:13px;color:var(--c-text-2);}
.toc a{color:var(--c-text-2);}
.toc a:hover{color:var(--c-primary);}
.rel-list{list-style:none;margin:0;padding:0;}
.rel-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--c-line);}
.rel-list li:last-child{border-bottom:0;padding-bottom:0;}
.rel-list li:first-child{padding-top:0;}
.rel-list img{width:64px;height:64px;border-radius:var(--r-s);object-fit:cover;flex:0 0 64px;}
.rel-list a{font-size:14px;font-weight:600;color:var(--c-text);line-height:1.5;}
.rel-list a:hover{color:var(--c-primary);}
.rel-list span{display:block;margin-top:6px;font-size:12px;color:var(--c-text-3);}
.side-cta{background:var(--c-ink);border-color:var(--c-ink);color:#fff;}
.side-cta h3{color:#fff;}
.side-cta p{font-size:14px;color:rgba(255,255,255,.7);margin-bottom:16px;}

/* ============ 尾段组件 ============ */
.tail-block{margin-top:var(--sp-4);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid var(--c-line-strong);background:var(--c-surface);
  font-size:13px;color:var(--c-text-2);cursor:pointer;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease;
}
.tag:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.prevnext{display:flex;flex-wrap:wrap;gap:20px;margin-top:var(--sp-4);}
.pn-card{
  flex:1 1 280px;display:block;padding:20px 22px;border-radius:var(--r-m);
  background:var(--c-surface);border:1px solid var(--c-line);box-shadow:var(--sh-1);
  transition:box-shadow .22s ease,border-color .22s ease,transform .22s ease;
}
.pn-card:hover{border-color:rgba(14,79,60,.3);box-shadow:var(--sh-2);transform:translateY(-2px);}
.pn-card .pn-label{font-size:12px;color:var(--c-text-3);letter-spacing:.04em;}
.pn-card .pn-title{margin-top:8px;font-size:16px;font-weight:600;color:var(--c-text);line-height:1.5;}
.pn-card .pn-desc{margin-top:6px;font-size:13px;color:var(--c-text-2);}
.pn-card.next{text-align:right;}

.related-grid{display:flex;flex-wrap:wrap;margin-left:-14px;margin-right:-14px;}
.related-grid .cell{padding:0 14px 28px;flex:0 0 100%;max-width:100%;}
@media (min-width:640px){ .related-grid .cell{flex:0 0 50%;max-width:50%;} }
@media (min-width:1024px){ .related-grid .cell{flex:0 0 33.3333%;max-width:33.3333%;} }
.card{
  display:block;height:100%;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-m);overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .22s ease,border-color .22s ease,transform .22s ease;
}
.card:hover{box-shadow:var(--sh-2);border-color:rgba(14,79,60,.28);transform:translateY(-3px);}
.card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-2);}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease;}
.card:hover .thumb img{transform:scale(1.03);}
.card .thumb .badge{position:absolute;left:12px;top:12px;}
.card .card-body{padding:18px 20px 20px;}
.card h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--c-text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card p{margin-top:10px;font-size:14px;line-height:1.7;color:var(--c-text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card .card-meta{margin-top:14px;font-size:13px;color:var(--c-text-3);display:flex;align-items:center;gap:8px;}
.center-btn{display:flex;justify-content:center;margin-top:var(--sp-4);}

/* ============ 底部 CTA ============ */
.cta-bar{background:var(--c-ink);color:#fff;padding:var(--sp-5) 0;}
.cta-bar .inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.cta-bar h2{font-size:26px;color:#fff;line-height:1.4;}
.cta-bar p{margin-top:8px;font-size:15px;color:rgba(255,255,255,.68);}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.78);padding:var(--sp-5) 0 0;}
.footer-grid{display:flex;flex-wrap:wrap;gap:32px;padding-bottom:var(--sp-4);}
.footer-brand{flex:1 1 260px;max-width:340px;}
.footer-brand .brand{font-size:18px;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  width:38px;height:38px;border-radius:var(--r-pill);display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.78);
}
.footer-social a:hover{background:rgba(255,255,255,.1);color:var(--c-accent);border-color:rgba(200,244,92,.5);}
.footer-col{flex:1 1 180px;min-width:160px;}
.footer-col h3{font-size:14px;font-weight:600;color:rgba(255,255,255,.6);margin-bottom:16px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.78);line-height:1.7;}
.footer-col a:hover{color:var(--c-accent);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:var(--c-text-3);
}

/* ============ 移动抽屉 ============ */
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);z-index:120;
  background:var(--c-ink);padding:20px;transform:translateX(105%);
  transition:transform .22s ease;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.mobile-drawer .drawer-links{display:flex;flex-direction:column;margin-bottom:20px;}
.mobile-drawer .drawer-links a{
  padding:15px 4px;font-size:16px;color:rgba(255,255,255,.82);
  border-bottom:1px solid rgba(255,255,255,.1);
}
.mobile-drawer .drawer-links a.is-active{color:var(--c-accent);}
.mobile-drawer .search-box{min-width:0;width:100%;margin-bottom:18px;}
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(10,18,17,.55);z-index:110;opacity:0;visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;
}
body.drawer-open .drawer-backdrop{opacity:1;visibility:visible;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 24px;}
  .article-body{padding:36px 34px;}
}
@media (max-width:991px){
  .nav-links,.nav-actions .search-box,.nav-actions .kbd{display:none;}
  .menu-toggle{display:grid;}
  .article-head h1{font-size:32px;}
  .section{padding:var(--sp-5) 0;}
  .sticky-box{position:static;margin-top:var(--sp-4);}
  .related-grid .cell{padding-bottom:24px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  h1{font-size:28px;}
  h2{font-size:24px;}
  .article-hero{padding:20px 0 40px;}
  .article-head h1{font-size:26px;line-height:1.4;margin:14px 0 16px;}
  .article-body{padding:24px 20px;border-radius:var(--r-m);}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .article-main{padding:var(--sp-4) 0 var(--sp-5);}
  .prevnext .pn-card.next{text-align:left;}
  .cta-bar .inner{flex-direction:column;align-items:flex-start;}
  .cta-bar .btn{width:100%;}
  .footer-grid{gap:26px;}
  .footer-brand{max-width:none;}
  .btn{width:auto;}
  .related-grid{margin-left:0;margin-right:0;}
  .related-grid .cell{padding-left:0;padding-right:0;}
}
@media (max-width:480px){
  .nav-wrap{height:60px;}
  .brand{font-size:17px;}
  .brand-mark{width:26px;height:26px;font-size:14px;}
  .article-head h1{font-size:23px;}
  .badge{font-size:11px;}
  .meta-row{font-size:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --c-ink:#0A1211;
  --c-ink-2:#14201D;
  --c-primary:#0E4F3C;
  --c-primary-dark:#0A3A2C;
  --c-accent:#C8F45C;
  --c-secondary:#FF6B2C;
  --c-bg:#F5F6F1;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF1E9;
  --c-text:#1B211F;
  --c-text-2:#5A6560;
  --c-text-3:#93A09A;
  --c-line:#E3E7DF;
  --c-line-strong:#C9D1C4;
  --r-s:8px;
  --r-m:14px;
  --r-l:22px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(10,18,17,.06);
  --sh-2:0 12px 28px rgba(10,18,17,.10);
  --sh-3:0 24px 56px rgba(10,18,17,.18);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:40px;
  --sp-5:64px;
  --sp-6:96px;
  --font-cn:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Barlow",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.9;
  color:var(--c-text);
  background:var(--c-bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,box-shadow .22s ease,transform .22s ease}
a:hover{color:var(--c-primary-dark)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}
.grid-x{display:flex;flex-wrap:wrap}
.grid-x.gap{margin-left:-12px;margin-right:-12px}
.grid-x.gap>.cell{padding-left:12px;padding-right:12px}
.grid-x.gap-y{margin-top:-24px}
.grid-x.gap-y>.cell{margin-top:24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--c-ink);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:box-shadow .22s ease,background-color .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);background:rgba(10,18,17,.96);backdrop-filter:blur(10px)}
.nav-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;letter-spacing:0;flex-shrink:0}
.brand:hover{color:#fff}
.brand-mark{
  width:28px;height:28px;border-radius:9px;
  background:linear-gradient(140deg,var(--c-accent),#8FD32E);
  color:var(--c-ink);
  display:grid;place-items:center;
  font-size:14px;font-weight:800;
  box-shadow:0 0 0 3px rgba(200,244,92,.14);
}
.brand-text em{font-style:normal;color:var(--c-accent)}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 12px;
  border-radius:var(--r-s);
  font-size:15px;
  color:rgba(255,255,255,.72);
  white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-links a.is-active{color:#fff;font-weight:600}
.nav-links a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--c-accent);border-radius:2px;
}
.nav-search{
  position:relative;
  flex:1 1 auto;
  max-width:330px;
  margin-left:auto;
}
.nav-search i{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  font-size:13px;color:rgba(255,255,255,.45);pointer-events:none;
}
.nav-search input{
  width:100%;height:40px;
  padding:0 62px 0 38px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.07);
  color:#fff;font-size:14px;
  transition:border-color .22s ease,background-color .22s ease,box-shadow .22s ease;
}
.nav-search input::placeholder{color:rgba(255,255,255,.45)}
.nav-search input:focus{
  outline:none;
  border-color:var(--c-accent);
  background:rgba(255,255,255,.11);
  box-shadow:0 0 0 3px rgba(200,244,92,.15);
}
.nav-search .kbd{
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  font-family:var(--font-num);
  font-size:12px;letter-spacing:.06em;
  color:rgba(255,255,255,.6);
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);
  border-radius:6px;
  padding:1px 7px;
  pointer-events:none;
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  color:rgba(255,255,255,.75);
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.04);
}
.icon-btn:hover{color:#fff;border-color:var(--c-accent);background:rgba(200,244,92,.12)}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:var(--r-s);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;cursor:pointer;
}
.nav-toggle:hover{background:rgba(255,255,255,.12)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .22s ease;
  white-space:nowrap;
}
.btn--sm{height:38px;padding:0 18px;font-size:14px}
.btn--primary{background:var(--c-accent);color:var(--c-ink);border-color:var(--c-accent)}
.btn--primary:hover{background:#D6FA79;color:var(--c-ink);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7)}
.btn--outline{background:transparent;color:var(--c-primary);border-color:var(--c-line-strong)}
.btn--outline:hover{background:var(--c-surface-2);color:var(--c-primary-dark);border-color:var(--c-primary)}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--c-primary);
}
.link-arrow i{transition:transform .22s ease}
.link-arrow:hover i{transform:translateX(4px)}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(6,12,11,.6);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);
  background:var(--c-ink);
  z-index:100;
  transform:translateX(102%);
  transition:transform .28s ease;
  padding:22px 20px;
  display:flex;flex-direction:column;gap:18px;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.1)}
.drawer-head .brand{font-size:17px}
.drawer-close{width:38px;height:38px;border-radius:var(--r-s);border:1px solid rgba(255,255,255,.18);background:transparent;color:#fff;cursor:pointer}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  color:rgba(255,255,255,.82);
  font-size:16px;padding:15px 4px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-nav a.is-active{color:var(--c-accent);font-weight:600}
.drawer-search{position:relative}
.drawer-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:rgba(255,255,255,.45);font-size:13px}
.drawer-search input{
  width:100%;height:44px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.07);
  color:#fff;padding:0 16px 0 38px;font-size:15px;
}
.drawer-search input::placeholder{color:rgba(255,255,255,.45)}
.drawer-cta{margin-top:auto}
.drawer-cta .btn{width:100%}

/* ---------- 分类页头 ---------- */
.page-hero{
  position:relative;
  background:var(--c-ink);
  color:#fff;
  padding:40px 0 88px;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(600px 380px at 12% 8%,rgba(14,79,60,.85),transparent 70%),
    radial-gradient(520px 360px at 88% 82%,rgba(200,244,92,.14),transparent 72%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.crumbs{
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:rgba(255,255,255,.55);
  margin-bottom:26px;flex-wrap:wrap;
}
.crumbs a{color:rgba(255,255,255,.7)}
.crumbs a:hover{color:var(--c-accent)}
.crumbs span.sep{color:rgba(255,255,255,.3)}
.crumbs .current{color:rgba(255,255,255,.45)}
.hero-tagline{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--c-accent);
  background:rgba(200,244,92,.12);
  border:1px solid rgba(200,244,92,.28);
  border-radius:var(--r-pill);
  padding:5px 14px;
  margin-bottom:20px;
}
.page-hero h1{
  font-size:40px;line-height:1.25;font-weight:800;
  color:#fff;margin-bottom:18px;max-width:16em;
}
.page-hero h1 em{font-style:normal;color:var(--c-accent)}
.hero-lead{
  font-size:17px;line-height:1.85;
  color:rgba(255,255,255,.78);
  max-width:34em;margin-bottom:26px;
}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13px;color:rgba(255,255,255,.6);
  margin-bottom:28px;
}
.hero-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.35)}
.hero-meta b{font-family:var(--font-num);font-size:16px;font-weight:600;color:var(--c-accent);letter-spacing:.03em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-visual{position:relative;padding-left:20px}
.hero-visual .frame{
  position:relative;border-radius:var(--r-l);overflow:hidden;
  box-shadow:var(--sh-3);
  transform:rotate(-1.5deg);
  border:1px solid rgba(255,255,255,.14);
}
.hero-visual .frame img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-visual .frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,18,17,0) 40%,rgba(10,18,17,.55));
}
.hero-visual .ghost-frame{
  position:absolute;inset:24px -10px -18px 34px;
  border:1px solid rgba(200,244,92,.4);
  border-radius:var(--r-l);
  transform:rotate(2.5deg);
  z-index:-1;
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp-6) 0}
.section--tight{padding:var(--sp-5) 0}
.section--alt{background:var(--c-surface-2)}
.section--dark{background:var(--c-ink);color:#fff}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:38px;flex-wrap:wrap;
}
.section-head .head-left{display:flex;align-items:flex-start;gap:14px}
.section-head .bar{
  width:4px;height:22px;border-radius:2px;background:var(--c-accent);flex-shrink:0;margin-top:6px;
}
.section-head h2{font-size:30px;line-height:1.35;font-weight:700;color:var(--c-text)}
.section--dark .section-head h2{color:#fff}
.section-head .sub{
  font-size:15px;line-height:1.75;color:var(--c-text-2);margin-top:8px;max-width:40em;
}
.section--dark .section-head .sub{color:rgba(255,255,255,.68)}

/* 标签行 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  font-size:14px;color:var(--c-text-2);
  transition:all .22s ease;
}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(14,79,60,.05)}
.tag.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff}

/* 卡片网格 */
.card{
  display:flex;flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-m);
  box-shadow:var(--sh-1);
  overflow:hidden;
  height:100%;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,79,60,.35)}
.card-media{position:relative;overflow:hidden;background:var(--c-surface-2)}
.card-media img{width:100%;height:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .45s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .media-badge{position:absolute;top:12px;left:12px;z-index:2}
.card-body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1}
.card-body h3{
  font-size:17px;line-height:1.5;font-weight:600;color:var(--c-text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:10px;
}
.card:hover .card-body h3{color:var(--c-primary)}
.card-body p{
  font-size:15px;line-height:1.75;color:var(--c-text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:16px;
}
.card-foot{
  margin-top:auto;display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--c-text-3);
  padding-top:14px;border-top:1px solid var(--c-line);
}
.card-foot .num{font-family:var(--font-num);font-size:15px;font-weight:600;color:var(--c-secondary);letter-spacing:.02em}
.card-foot .dot{width:3px;height:3px;border-radius:50%;background:var(--c-line-strong)}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1;white-space:nowrap;
}
.badge--solid{background:var(--c-primary);color:#fff}
.badge--accent{background:var(--c-accent);color:var(--c-ink)}
.badge--outline{background:rgba(255,255,255,.9);border:1px solid var(--c-line-strong);color:var(--c-primary)}

/* 焦点图文分区 */
.feature{
  background:var(--c-surface-2);
  border-radius:var(--r-l);
  padding:44px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:44px;
  align-items:center;
}
.feature-media{border-radius:var(--r-m);overflow:hidden;box-shadow:var(--sh-2)}
.feature-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.feature h2{font-size:30px;line-height:1.35;font-weight:700;margin-bottom:16px}
.feature p{font-size:17px;line-height:1.9;color:var(--c-text-2);margin-bottom:18px}
.feature-list{display:flex;flex-direction:column;gap:14px;margin-bottom:26px}
.feature-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.75;color:var(--c-text-2)}
.feature-list i{color:var(--c-primary);font-size:14px;margin-top:6px}
.feature-list b{color:var(--c-text);font-weight:600}

/* 数据条 */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-m);overflow:hidden;box-shadow:var(--sh-1);
}
.stat{padding:26px 22px;border-right:1px solid var(--c-line)}
.stat:last-child{border-right:none}
.stat .n{font-family:var(--font-num);font-size:38px;font-weight:700;line-height:1;color:var(--c-primary);letter-spacing:.02em}
.stat .n span{font-size:18px;color:var(--c-accent);-webkit-text-stroke:.4px var(--c-primary)}
.stat .t{font-size:13px;color:var(--c-text-2);margin-top:10px}

/* CTA 条 */
.cta-band{background:var(--c-ink);color:#fff;padding:var(--sp-5) 0}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:30px;line-height:1.35;font-weight:700;margin-bottom:10px}
.cta-inner p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.72);max-width:40em}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#fff;padding:var(--sp-5) 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:26em;margin-bottom:18px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:36px;height:36px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.7);font-size:13px;
}
.footer-social a:hover{color:var(--c-ink);background:var(--c-accent);border-color:var(--c-accent)}
.footer-col h3{font-size:14px;font-weight:600;color:rgba(255,255,255,.6);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a,.footer-col span{font-size:14px;line-height:1.7;color:rgba(255,255,255,.78)}
.footer-col span{display:block;color:rgba(255,255,255,.62)}
.footer-col a:hover{color:var(--c-accent)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 30px;font-size:13px;color:var(--c-text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .nav-links{margin-left:0}
  .nav-search{max-width:240px}
  .page-hero h1{font-size:36px}
}
@media (max-width:992px){
  .container{padding:0 24px}
  .nav-links{display:none}
  .nav-search{display:none}
  .nav-actions .icon-btn{display:none}
  .nav-toggle{display:grid;place-items:center}
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .page-hero{padding:32px 0 64px}
  .page-hero h1{font-size:32px}
  .hero-visual{padding-left:0;margin-top:44px}
  .hero-visual .ghost-frame{display:none}
  .feature{grid-template-columns:1fr;padding:32px;gap:28px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:none}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--c-line)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section-head h2{font-size:26px}
  .cta-inner h2,.feature h2{font-size:26px}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .page-hero h1{font-size:28px;line-height:1.3}
  .hero-lead{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px}
  .section-head h2{font-size:24px}
  .card-body{padding:18px}
  .feature{padding:24px}
  .feature h2{font-size:23px}
  .cta-inner h2{font-size:23px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:520px){
  .page-hero h1{font-size:25px}
  .hero-tagline{font-size:12px}
  .stats{grid-template-columns:1fr}
  .stat{border-right:none;border-bottom:1px solid var(--c-line)}
  .stat:last-child{border-bottom:none}
  .brand{font-size:16px}
  .brand-mark{width:26px;height:26px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
  --c-ink:#0A1211;
  --c-ink-2:#14201D;
  --c-primary:#0E4F3C;
  --c-primary-dark:#0A3A2C;
  --c-accent:#C8F45C;
  --c-secondary:#FF6B2C;
  --c-bg:#F5F6F1;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF1E9;
  --c-text:#1B211F;
  --c-text-2:#5A6560;
  --c-text-3:#93A09A;
  --c-line:#E3E7DF;
  --c-line-strong:#C9D1C4;
  --r-s:8px;
  --r-m:14px;
  --r-l:22px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(10,18,17,.06);
  --sh-2:0 12px 28px rgba(10,18,17,.10);
  --sh-3:0 24px 56px rgba(10,18,17,.18);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:40px;
  --sp-5:64px;
  --sp-6:96px;
  --num-font:"Barlow Condensed","DIN Alternate","PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--c-text);
  background:var(--c-bg);
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease,opacity .22s ease}
a:hover{color:var(--c-primary-dark)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;color:var(--c-text)}
p{margin:0 0 1.35em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:var(--sp-6) 0}
.section-tight{padding:var(--sp-5) 0}

/* ===== 导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--c-ink);
  border-bottom:1px solid rgba(255,255,255,.10);
  transition:box-shadow .22s ease,background-color .22s ease;
}
.site-header.is-scrolled{
  box-shadow:var(--sh-2);
  background:rgba(10,18,17,.96);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:var(--sp-3);
  height:68px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:28px;
  height:28px;
  border-radius:9px;
  background:var(--c-accent);
  color:var(--c-ink);
  font-size:15px;
  font-weight:800;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.brand-text{
  color:#fff;
  font-size:18px;
  font-weight:800;
  letter-spacing:0;
  white-space:nowrap;
}
.brand-text em{font-style:normal;color:var(--c-accent)}
.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:var(--sp-2);
}
.nav-links a{
  position:relative;
  color:rgba(255,255,255,.70);
  font-size:15px;
  line-height:68px;
  padding:0 2px;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:20px;
  height:2px;
  background:var(--c-accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s ease;
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:#fff;font-weight:600}
.nav-links a.is-active::after{transform:scaleX(1)}
.nav-tools{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.command-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 12px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-pill);
  transition:border-color .22s ease,background-color .22s ease;
}
.command-search:focus-within{border-color:var(--c-accent);background:rgba(255,255,255,.12)}
.command-search i{color:rgba(255,255,255,.55);font-size:13px}
.command-search input{
  width:132px;
  border:0;
  background:transparent;
  color:#fff;
  font-size:14px;
  outline:none;
}
.command-search input::placeholder{color:rgba(255,255,255,.45)}
.command-search kbd{
  font-family:var(--num-font);
  font-size:12px;
  letter-spacing:.5px;
  color:rgba(255,255,255,.62);
  background:rgba(255,255,255,.10);
  border-radius:5px;
  padding:2px 6px;
}
.icon-btn{
  width:38px;
  height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.20);
  color:rgba(255,255,255,.80);
  font-size:14px;
}
.icon-btn:hover{color:var(--c-ink);background:var(--c-accent);border-color:var(--c-accent)}
.nav-toggle{
  display:none;
  width:40px;
  height:40px;
  border-radius:var(--r-s);
  border:1px solid rgba(255,255,255,.20);
  color:#fff;
  font-size:16px;
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--c-accent);color:var(--c-ink);border-color:var(--c-accent)}
.btn-primary:hover{background:#d4fa75;color:var(--c-ink);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.10);color:#fff;border-color:#fff}
.btn-outline{background:transparent;color:var(--c-primary);border-color:var(--c-line-strong)}
.btn-outline:hover{background:var(--c-surface-2);color:var(--c-primary-dark);border-color:var(--c-primary)}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
}
.link-arrow i{transition:transform .22s ease}
.link-arrow:hover i{transform:translateX(4px)}

/* 移动抽屉 */
.drawer{
  position:fixed;
  top:0;
  right:0;
  width:302px;
  max-width:88vw;
  height:100%;
  background:var(--c-ink);
  z-index:90;
  transform:translateX(100%);
  transition:transform .22s ease;
  padding:var(--sp-3);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:var(--sp-2);
  border-bottom:1px solid rgba(255,255,255,.12);
}
.drawer-close{
  width:36px;height:36px;border-radius:var(--r-s);
  border:1px solid rgba(255,255,255,.2);color:#fff;font-size:15px;
}
.drawer-nav{display:flex;flex-direction:column;margin:var(--sp-2) 0}
.drawer-nav a{
  color:rgba(255,255,255,.78);
  font-size:16px;
  padding:14px 2px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.drawer-nav a.is-active{color:var(--c-accent);font-weight:600}
.drawer-search{
  display:flex;align-items:center;gap:8px;
  height:44px;padding:0 14px;margin-bottom:var(--sp-2);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-pill);
}
.drawer-search input{flex:1;border:0;background:transparent;color:#fff;font-size:14px;outline:none}
.drawer-search i{color:rgba(255,255,255,.55);font-size:13px}
.drawer .btn{width:100%}
.overlay{
  position:fixed;inset:0;background:rgba(10,18,17,.55);
  opacity:0;visibility:hidden;transition:opacity .22s ease;z-index:80;
}
.overlay.is-open{opacity:1;visibility:visible}

/* ===== 页头 ===== */
.page-hero{
  position:relative;
  background:var(--c-ink);
  color:#fff;
  overflow:hidden;
  min-height:300px;
  display:flex;
  align-items:center;
  padding:var(--sp-5) 0;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(110deg,rgba(10,18,17,.96) 12%,rgba(10,18,17,.72) 58%,rgba(10,18,17,.42) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.9;
}
.page-hero .container{position:relative;z-index:1}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:var(--sp-4);
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.4px;
  color:var(--c-accent);
  border:1px solid rgba(200,244,92,.42);
  border-radius:var(--r-pill);
  padding:5px 14px;
  margin-bottom:var(--sp-2);
}
.page-hero h1{
  color:#fff;
  font-size:40px;
  line-height:1.25;
  font-weight:800;
  margin-bottom:var(--sp-2);
}
.page-hero .hero-sub{
  color:rgba(255,255,255,.82);
  font-size:17px;
  max-width:520px;
  margin-bottom:var(--sp-3);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-stack{
  position:relative;
  height:260px;
}
.hero-stack img{
  position:absolute;
  width:58%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-m);
  border:2px solid rgba(255,255,255,.16);
  box-shadow:var(--sh-3);
}
.hero-stack img:nth-child(1){top:0;left:0;z-index:1}
.hero-stack img:nth-child(2){top:34px;right:0;z-index:2}
.hero-stack img:nth-child(3){bottom:0;left:22%;z-index:3;border-color:rgba(200,244,92,.55)}

/* 面包屑 */
.breadcrumb-bar{
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--c-text-3);
  padding:14px 0;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--c-text-2)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb span.sep{color:var(--c-line-strong)}
.breadcrumb .current{color:var(--c-text-3)}

/* 区块标题 */
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:var(--sp-3);
  margin-bottom:var(--sp-4);
}
.section-title{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:30px;
  line-height:1.35;
}
.section-title::before{
  content:"";
  width:4px;
  height:22px;
  border-radius:2px;
  background:var(--c-accent);
  flex:0 0 auto;
}
.section-lead{
  color:var(--c-text-2);
  font-size:16px;
  margin-top:10px;
  max-width:620px;
}

/* 交错图文 */
.zigzag{display:flex;flex-direction:column;gap:var(--sp-5)}
.zigzag-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:var(--sp-4);
  align-items:center;
}
.zigzag-row.is-reverse .zigzag-text{order:2}
.zigzag-row.is-reverse .zigzag-media{order:1}
.zigzag-text h2{
  font-size:26px;
  line-height:1.4;
  margin-bottom:var(--sp-2);
  padding-left:14px;
  position:relative;
}
.zigzag-text h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--c-accent);
}
.zigzag-text p{color:var(--c-text-2);font-size:16.5px}
.topic-list{margin-top:var(--sp-2);display:flex;flex-direction:column;gap:10px}
.topic-list li{
  position:relative;
  padding-left:26px;
  font-size:15.5px;
  color:var(--c-text);
}
.topic-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  left:0;
  top:1px;
  font-size:12px;
  color:var(--c-primary);
}
.zigzag-media{
  position:relative;
  border-radius:var(--r-l);
  overflow:hidden;
  box-shadow:var(--sh-2);
  background:var(--c-surface-2);
}
.zigzag-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .22s ease;
}
.zigzag-media:hover img{transform:scale(1.03)}
.zigzag-media figcaption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:16px 18px;
  font-size:13px;
  color:rgba(255,255,255,.88);
  background:linear-gradient(to top,rgba(10,18,17,.86),rgba(10,18,17,0));
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:var(--sp-3)}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:13px;
  color:var(--c-primary);
  background:rgba(200,244,92,.16);
  border:1px solid rgba(14,79,60,.16);
}

/* 数据条 */
.stats-band{background:var(--c-surface-2)}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:var(--sp-2);
}
.stat-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-m);
  padding:var(--sp-3);
  box-shadow:var(--sh-1);
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.stat-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:rgba(14,79,60,.28)}
.stat-num{
  font-family:var(--num-font);
  font-size:44px;
  line-height:1;
  font-weight:700;
  color:var(--c-primary);
  letter-spacing:.5px;
}
.stat-num em{font-style:normal;color:var(--c-accent);background:var(--c-ink);border-radius:6px;padding:0 6px;margin-left:4px;font-size:22px;vertical-align:6px}
.stat-label{font-size:13px;color:var(--c-text-3);margin-top:10px}
.stat-title{font-size:16px;font-weight:600;margin-top:8px}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:56px;
  padding:14px 0 14px 16px;
  font-size:17px;
  font-weight:600;
  color:var(--c-text);
  position:relative;
  transition:color .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  border-radius:2px;
  background:var(--c-accent);
  opacity:0;
  transition:opacity .22s ease;
}
.faq-item summary i{
  color:var(--c-text-3);
  font-size:14px;
  transition:transform .22s ease,color .22s ease;
  flex:0 0 auto;
}
.faq-item summary:hover{color:var(--c-primary)}
.faq-item[open] summary{color:var(--c-primary)}
.faq-item[open] summary::before{opacity:1}
.faq-item[open] summary i{transform:rotate(180deg);color:var(--c-primary)}
.faq-answer{
  padding:0 0 var(--sp-3) 16px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-text-2);
  max-width:760px;
}

/* CTA */
.cta-band{
  background:var(--c-ink);
  border-radius:var(--r-l);
  padding:var(--sp-5) var(--sp-4);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--sp-3);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-60px;
  width:240px;
  height:240px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(200,244,92,.24),rgba(200,244,92,0) 70%);
}
.cta-band h2{color:#fff;font-size:28px;line-height:1.35;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.78);font-size:16px;max-width:520px;margin:0}
.cta-band .cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.78);padding:var(--sp-6) 0 var(--sp-3);margin-top:var(--sp-6)}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:var(--sp-4);
  padding-bottom:var(--sp-4);
}
.footer-brand .brand{margin-bottom:var(--sp-2)}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.66);max-width:300px;margin-bottom:var(--sp-2)}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.20);
  color:rgba(255,255,255,.78);
  font-size:14px;
}
.footer-social a:hover{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-ink)}
.footer-col h3{
  font-size:14px;
  font-weight:600;
  color:rgba(255,255,255,.60);
  margin-bottom:var(--sp-2);
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.78);line-height:1.7}
.footer-col a:hover{color:var(--c-accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:var(--sp-3);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--c-text-3);
  flex-wrap:wrap;
}

/* 响应式 */
@media (max-width:1200px){
  .nav-links{gap:20px}
  .command-search input{width:104px}
}
@media (max-width:991px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .nav-links{display:none}
  .command-search,.nav-tools .icon-btn,.nav-tools .btn{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .header-inner{height:60px}
  .hero-grid{grid-template-columns:1fr;gap:var(--sp-3)}
  .page-hero h1{font-size:32px}
  .hero-stack{height:230px}
  .zigzag-row{grid-template-columns:1fr;gap:var(--sp-3)}
  .zigzag-row.is-reverse .zigzag-text{order:1}
  .zigzag-row.is-reverse .zigzag-media{order:2}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-3)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:var(--sp-4) var(--sp-3)}
}
@media (max-width:768px){
  .page-hero{min-height:auto;padding:var(--sp-4) 0}
  .page-hero h1{font-size:28px}
  .section-title{font-size:24px}
  .zigzag-text h2{font-size:22px}
  .stat-num{font-size:36px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .hero-stack{height:200px}
  .hero-stack img{width:66%}
  .stats-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn{width:100%}
  .faq-item summary{font-size:16px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category2 */
:root{
  --c-ink:#0A1211;
  --c-ink-2:#14201D;
  --c-primary:#0E4F3C;
  --c-primary-dark:#0A3A2C;
  --c-accent:#C8F45C;
  --c-secondary:#FF6B2C;
  --c-bg:#F5F6F1;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF1E9;
  --c-text:#1B211F;
  --c-text-2:#5A6560;
  --c-text-3:#93A09A;
  --c-line:#E3E7DF;
  --c-line-strong:#C9D1C4;
  --r-s:8px;
  --r-m:14px;
  --r-l:22px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(10,18,17,.06);
  --sh-2:0 12px 28px rgba(10,18,17,.10);
  --sh-3:0 24px 56px rgba(10,18,17,.18);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:40px;
  --sp-5:64px;
  --sp-6:96px;
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Barlow","DIN Alternate",ui-sans-serif,system-ui,sans-serif;
  --ease:.22s ease;
}
*,*::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:17px;
  line-height:1.9;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);}
a:hover{color:var(--c-primary-dark);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
::selection{background:var(--c-accent);color:var(--c-ink);}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}
@media (min-width:1440px){.container{max-width:1320px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--c-accent);color:var(--c-ink);box-shadow:var(--sh-1);}
.btn-primary:hover{background:#D5F97C;color:var(--c-ink);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff;background:transparent;}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn-outline{border-color:var(--c-line-strong);color:var(--c-text);background:transparent;}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(14,79,60,.05);}
.btn-sm{height:38px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--c-primary);
}
.link-arrow i{transition:transform var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:var(--c-ink);
  border-bottom:1px solid rgba(255,255,255,.10);
  transition:box-shadow var(--ease),background-color var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-2);background:rgba(10,18,17,.96);backdrop-filter:blur(10px);}
.header-inner{
  display:flex;align-items:center;gap:var(--sp-3);
  height:68px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:28px;height:28px;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-accent);color:var(--c-ink);
  font-size:14px;font-weight:800;
}
.brand-text{font-size:18px;font-weight:800;color:#fff;letter-spacing:0;}
.brand-text em{font-style:normal;color:var(--c-accent);}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:var(--sp-2);}
.nav-links a{
  position:relative;
  display:inline-flex;align-items:center;height:68px;
  padding:0 14px;
  font-size:15px;
  color:rgba(255,255,255,.70);
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:16px;height:2px;
  background:var(--c-accent);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-links a:hover{color:#fff;}
.nav-links a.is-active{color:#fff;}
.nav-links a.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  position:relative;display:flex;align-items:center;gap:8px;
  height:40px;padding:0 10px 0 14px;
  min-width:250px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-pill);
}
.nav-search i{color:rgba(255,255,255,.55);font-size:13px;}
.nav-search input{
  flex:1;min-width:0;border:0;background:transparent;color:#fff;
  font-size:14px;height:38px;
}
.nav-search input::placeholder{color:rgba(255,255,255,.45);}
.nav-search input:focus{outline:none;}
.nav-search:focus-within{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(200,244,92,.18);}
.key-hint{
  font-family:var(--font-num);font-size:11px;letter-spacing:.06em;
  padding:3px 6px;border-radius:5px;
  background:rgba(255,255,255,.10);color:rgba(255,255,255,.6);
}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.78);border:1px solid rgba(255,255,255,.16);
}
.icon-btn:hover{color:var(--c-ink);background:var(--c-accent);border-color:var(--c-accent);}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-s);
  border:1px solid rgba(255,255,255,.2);color:#fff;
  align-items:center;justify-content:center;
}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(86vw,340px);
  background:var(--c-ink);z-index:200;
  transform:translateX(102%);transition:transform var(--ease);
  padding:20px 20px 32px;display:flex;flex-direction:column;gap:8px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-close{width:38px;height:38px;border-radius:var(--r-s);border:1px solid rgba(255,255,255,.2);color:#fff;}
.drawer nav{display:flex;flex-direction:column;}
.drawer nav a{
  color:rgba(255,255,255,.82);font-size:16px;
  padding:15px 4px;border-bottom:1px solid rgba(255,255,255,.09);
}
.drawer nav a.is-active{color:var(--c-accent);}
.drawer .drawer-search{margin:18px 0 10px;}
.drawer .btn{width:100%;}
.overlay{
  position:fixed;inset:0;background:rgba(10,18,17,.55);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);z-index:190;
}
.overlay.is-open{opacity:1;visibility:visible;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  font-size:13px;color:var(--c-text-3);display:flex;flex-wrap:wrap;gap:6px;align-items:center;
}
.breadcrumb a{color:var(--c-text-2);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:var(--c-line-strong);}
.breadcrumb .current{color:var(--c-text-3);}

/* ---------- 紧凑页头 ---------- */
.page-head{
  background:var(--c-surface-2);
  border-bottom:1px solid var(--c-line);
  padding:var(--sp-5) 0 var(--sp-4);
  position:relative;overflow:hidden;
}
.page-head::after{
  content:"";position:absolute;right:-60px;top:-80px;width:420px;height:420px;
  background:radial-gradient(circle at center,rgba(200,244,92,.35),rgba(200,244,92,0) 68%);
  pointer-events:none;
}
.page-head .container{position:relative;z-index:1;}
.page-head h1{
  font-size:38px;line-height:1.28;font-weight:800;letter-spacing:0;
  margin:14px 0 12px;max-width:760px;
}
.page-head .lead{
  font-size:17px;color:var(--c-text-2);max-width:680px;
}
.anchor-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:var(--sp-3);}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:32px;padding:0 15px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line-strong);
  font-size:14px;color:var(--c-text-2);
}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary);background:#fff;}
.tag.is-accent{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-ink);font-weight:600;}

/* ---------- 主体两栏 ---------- */
.cat-section{padding:var(--sp-5) 0 var(--sp-6);}
.cat-layout{padding-top:0;}
.side-nav{
  position:sticky;top:96px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-m);
  box-shadow:var(--sh-1);
  padding:18px 14px;
}
.side-nav h2{
  font-size:13px;font-weight:600;color:var(--c-text-3);
  letter-spacing:.06em;padding:0 10px 10px;
}
.side-nav a{
  position:relative;
  display:block;
  padding:11px 12px 11px 16px;
  font-size:15px;color:var(--c-text-2);
  border-radius:var(--r-s);
}
.side-nav a::before{
  content:"";position:absolute;left:4px;top:12px;bottom:12px;width:3px;
  border-radius:2px;background:transparent;transition:background-color var(--ease);
}
.side-nav a:hover{background:var(--c-surface-2);color:var(--c-text);}
.side-nav a.is-active{color:var(--c-text);font-weight:600;background:var(--c-surface-2);}
.side-nav a.is-active::before{background:var(--c-accent);}
.side-card{
  margin-top:16px;padding:18px;
  background:var(--c-ink);color:#fff;border-radius:var(--r-m);
}
.side-card p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.72);margin-bottom:14px;}

.cat-main > section + section{margin-top:var(--sp-6);}
.section-head{margin-bottom:var(--sp-4);}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--c-text-3);font-family:var(--font-num);letter-spacing:.08em;
}
.section-head h2{
  display:flex;align-items:center;gap:12px;
  font-size:30px;line-height:1.35;font-weight:700;margin:8px 0 10px;
}
.section-head h2::before{
  content:"";width:4px;height:22px;border-radius:2px;background:var(--c-accent);flex:0 0 auto;
}
.section-head p{color:var(--c-text-2);max-width:640px;}

/* ---------- 卡片网格 ---------- */
.card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-m);
  box-shadow:var(--sh-1);
  overflow:hidden;
  height:100%;
  display:flex;flex-direction:column;
  transition:box-shadow var(--ease),border-color var(--ease),transform var(--ease);
}
.card:hover{box-shadow:var(--sh-2);border-color:rgba(14,79,60,.28);transform:translateY(-2px);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1;
}
.badge-solid{background:var(--c-primary);color:#fff;}
.badge-outline{background:rgba(14,79,60,.06);border:1px solid rgba(14,79,60,.28);color:var(--c-primary);}
.card-media .badge{position:absolute;left:12px;top:12px;}
.card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17px;font-weight:600;line-height:1.5;}
.card-body p{font-size:15px;color:var(--c-text-2);line-height:1.75;flex:1;}
.card-meta{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--c-text-3);
}
.card-meta .num{font-family:var(--font-num);letter-spacing:.04em;}
.dot{width:3px;height:3px;border-radius:50%;background:var(--c-line-strong);display:inline-block;}

/* ---------- 图文条目 ---------- */
.entry-list{display:flex;flex-direction:column;}
.entry{
  display:flex;gap:20px;padding:22px 20px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-m);
  transition:background-color var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.entry + .entry{margin-top:16px;}
.entry:hover{background:var(--c-surface-2);border-color:var(--c-line-strong);box-shadow:var(--sh-1);}
.entry-thumb{
  flex:0 0 200px;width:200px;aspect-ratio:5/3;border-radius:var(--r-s);overflow:hidden;background:var(--c-surface-2);
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;}
.entry-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px;}
.entry-body h3{font-size:18px;font-weight:600;line-height:1.5;}
.entry-body p{font-size:15px;color:var(--c-text-2);line-height:1.78;}
.entry-foot{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--c-text-3);margin-top:2px;}
.entry-foot .num{font-family:var(--font-num);letter-spacing:.04em;}
.entry-foot .badge{height:22px;}

/* ---------- 阶段 pill ---------- */
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:var(--sp-3);}
.pill{
  display:inline-flex;align-items:center;height:38px;padding:0 20px;
  border-radius:var(--r-pill);font-size:14px;font-weight:600;
  background:var(--c-surface);border:1px solid var(--c-line-strong);color:var(--c-text-2);
}
.pill:hover{border-color:var(--c-primary);color:var(--c-primary);}
.pill.is-active{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-ink);}

/* ---------- 节奏卡片 ---------- */
.plan-grid{display:grid;gap:18px;grid-template-columns:repeat(3,1fr);}
.plan-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);
  padding:22px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:12px;
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.plan-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:rgba(14,79,60,.28);}
.plan-card .plan-num{
  font-family:var(--font-num);font-size:34px;line-height:1;font-weight:700;color:var(--c-accent);
  -webkit-text-stroke:1px var(--c-primary);
}
.plan-card h3{font-size:18px;font-weight:600;}
.plan-card p{font-size:15px;color:var(--c-text-2);line-height:1.78;}
.plan-card ul{display:flex;flex-direction:column;gap:7px;margin-top:2px;}
.plan-card li{font-size:14px;color:var(--c-text-2);padding-left:18px;position:relative;line-height:1.7;}
.plan-card li::before{
  content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:50%;
  background:var(--c-primary);opacity:.55;
}

/* ---------- 数据条 ---------- */
.stat-bar{
  background:var(--c-ink);border-radius:var(--r-l);
  padding:34px 30px;color:#fff;
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.stat-bar .stat{border-left:1px solid rgba(255,255,255,.14);padding-left:20px;}
.stat-bar .stat:first-child{border-left:0;padding-left:0;}
.stat-bar .stat strong{
  display:block;font-family:var(--font-num);font-size:40px;line-height:1.05;
  font-weight:700;color:var(--c-accent);letter-spacing:.02em;
}
.stat-bar .stat span{display:block;font-size:13px;color:rgba(255,255,255,.66);margin-top:6px;line-height:1.6;}
.stat-note{font-size:13px;color:var(--c-text-3);margin-top:12px;}

/* ---------- FAQ ---------- */
.faq{max-width:860px;}
.faq details{
  border-bottom:1px solid var(--c-line);
  background:transparent;
}
.faq details:first-of-type{border-top:1px solid var(--c-line);}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 6px 14px 18px;
  font-size:17px;font-weight:600;cursor:pointer;list-style:none;
  position:relative;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:2px;
  background:transparent;transition:background-color var(--ease);
}
.faq summary i{color:var(--c-text-3);transition:transform var(--ease),color var(--ease);flex:0 0 auto;}
.faq details[open] summary::before{background:var(--c-accent);}
.faq details[open] summary i{transform:rotate(180deg);color:var(--c-primary);}
.faq .answer{
  padding:0 24px 20px 18px;font-size:15px;line-height:1.85;color:var(--c-text-2);
  max-width:760px;
}

/* ---------- CTA ---------- */
.cta{
  background:var(--c-ink);
  border-radius:var(--r-l);
  padding:var(--sp-5) var(--sp-4);
  color:#fff;
  display:grid;grid-template-columns:1.4fr 1fr;gap:var(--sp-4);align-items:center;
  position:relative;overflow:hidden;
}
.cta::after{
  content:"";position:absolute;right:-100px;bottom:-140px;width:380px;height:380px;
  background:radial-gradient(circle at center,rgba(200,244,92,.28),rgba(200,244,92,0) 70%);
  pointer-events:none;
}
.cta h2{font-size:28px;line-height:1.35;font-weight:700;margin-bottom:12px;}
.cta p{color:rgba(255,255,255,.72);font-size:16px;max-width:520px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px;position:relative;z-index:1;}
.cta-visual{
  display:grid;grid-template-columns:1fr 1fr;gap:12px;position:relative;z-index:1;
}
.cta-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-m);
  border:1px solid rgba(200,244,92,.35);
}
.cta-visual img:last-child{grid-column:span 2;aspect-ratio:16/7;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#fff;padding:var(--sp-5) 0 26px;margin-top:var(--sp-6);}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:var(--sp-4);
  padding-bottom:var(--sp-4);border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.7);line-height:1.8;max-width:280px;}
.footer-social{display:flex;gap:10px;margin-top:16px;}
.footer-social a{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.78);
}
.footer-social a:hover{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-ink);}
.footer-col h3{font-size:14px;font-weight:600;color:rgba(255,255,255,.6);margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.78);line-height:1.7;}
.footer-col a:hover{color:var(--c-accent);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:20px;font-size:13px;color:var(--c-text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .nav-search{min-width:190px;}
  .nav-links a{padding:0 10px;font-size:14px;}
}
@media (max-width:992px){
  .container{padding:0 24px;}
  .nav-links,.nav-search,.header-actions .icon-btn,.header-actions .btn{display:none;}
  .menu-toggle{display:inline-flex;}
  .page-head h1{font-size:32px;}
  .cat-section{padding:var(--sp-4) 0 var(--sp-5);}
  .side-nav{position:static;margin-bottom:28px;}
  .side-nav .side-nav-list{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;}
  .side-nav .side-nav-list a{white-space:nowrap;border:1px solid var(--c-line-strong);border-radius:var(--r-pill);padding:8px 16px;}
  .side-nav .side-nav-list a::before{display:none;}
  .side-card{margin-top:14px;}
  .plan-grid{grid-template-columns:1fr 1fr;}
  .cta{grid-template-columns:1fr;}
  .stat-bar{grid-template-columns:1fr 1fr;gap:24px;}
  .stat-bar .stat:nth-child(3){border-left:0;padding-left:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .header-inner{height:60px;}
  .page-head{padding:var(--sp-4) 0 var(--sp-3);}
  .page-head h1{font-size:28px;}
  .cat-main > section + section{margin-top:var(--sp-5);}
  .section-head h2{font-size:24px;}
  .entry{flex-direction:column;gap:14px;padding:18px;}
  .entry-thumb{flex:none;width:100%;aspect-ratio:16/9;}
  .plan-grid{grid-template-columns:1fr;}
  .stat-bar{grid-template-columns:1fr;padding:26px 22px;}
  .stat-bar .stat{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.14);padding-top:14px;}
  .stat-bar .stat:first-child{border-top:0;padding-top:0;}
  .cta{padding:var(--sp-4) 22px;border-radius:var(--r-m);}
  .cta h2{font-size:23px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:480px){
  .page-head h1{font-size:25px;line-height:1.32;}
  .anchor-row .tag{height:30px;padding:0 13px;font-size:13px;}
  .cta-visual{grid-template-columns:1fr;}
  .cta-visual img:last-child{grid-column:span 1;aspect-ratio:16/9;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}