/* roulang page: index */
:root{
  --c-primary:#0E3B2C;
  --c-primary-deep:#061914;
  --c-primary-soft:#1C6B4F;
  --c-accent:#D9FF57;
  --c-accent-hover:#C2EC3A;
  --c-signal:#FF6A3D;
  --c-bg:#F6F5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEEE8;
  --c-ink:#12181A;
  --c-ink-2:#4A5250;
  --c-ink-3:#8A928F;
  --c-line:#E3E2DA;
  --r-card:16px;
  --r-media:12px;
  --r-btn:10px;
  --r-pill:999px;
  --r-hero:20px;
  --shadow-1:0 1px 2px rgba(10,20,16,.06),0 8px 24px -12px rgba(10,20,16,.18);
  --shadow-2:0 14px 32px -14px rgba(10,20,16,.26);
  --ease:cubic-bezier(.2,.7,.2,1);
  --font-mono:ui-monospace,"SFMono-Regular","DIN Alternate",Menlo,Consolas,monospace;

  --bs-primary:#0E3B2C;
  --bs-body-bg:#F6F5F0;
  --bs-body-color:#12181A;
  --bs-border-color:#E3E2DA;
  --bs-link-color:#0E3B2C;
  --bs-link-hover-color:#1C6B4F;
  --bs-border-radius:12px;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-primary-soft)}
h1,h2,h3,h4,h5{margin:0;color:var(--c-ink);font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.mono{font-family:var(--font-mono);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}
.container,.container-sm,.container-md,.container-lg,.container-xl,.container-xxl{max-width:1280px;padding-left:20px;padding-right:20px;width:100%;margin:0 auto}
@media (min-width:1440px){
  .container,.container-sm,.container-md,.container-lg,.container-xl,.container-xxl{max-width:1320px}
}
@media (max-width:767.98px){
  .container,.container-sm,.container-md,.container-lg,.container-xl,.container-xxl{padding-left:16px;padding-right:16px}
}

/* ---------- 顶栏 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--c-primary);box-shadow:0 1px 0 rgba(255,255,255,.06)}
.nav-top-inner{height:68px;display:flex;align-items:center;gap:28px;transition:height .24s var(--ease)}
.site-header.is-compact .nav-top-inner{height:56px}
.brand{display:flex;flex-direction:column;line-height:1.05;text-decoration:none;flex:0 0 auto}
.brand-main{font-size:20px;font-weight:700;letter-spacing:.02em;color:#fff}
.brand-sub{font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.7);margin-top:3px}
.brand:hover .brand-main{color:var(--c-accent)}
.main-nav{display:flex;align-items:center;gap:26px;flex:1 1 auto}
.main-nav .nav-item{position:relative;font-size:15px;color:rgba(255,255,255,.82);padding:6px 0;white-space:nowrap}
.main-nav .nav-item:hover{color:#fff}
.main-nav .nav-item.active{color:#fff;font-weight:600}
.main-nav .nav-item.active::after{content:"";position:absolute;left:0;right:0;bottom:-14px;height:3px;background:var(--c-accent);border-radius:2px}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.nav-search input{
  width:152px;height:38px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);
  color:#fff;font-size:14px;padding:0 16px;
  transition:width .26s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.nav-search input::placeholder{color:rgba(255,255,255,.55)}
.nav-search input:focus{width:240px;outline:none;border-color:var(--c-accent);background:rgba(255,255,255,.15)}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 20px;border:0;border-radius:var(--r-btn);
  background:var(--c-accent);color:#0B1512;font-size:15px;font-weight:600;
  transition:background .2s var(--ease),transform .2s var(--ease);cursor:pointer;
}
.btn-accent:hover{background:var(--c-accent-hover);color:#0B1512;transform:translateY(-1px)}
.btn-accent:active{transform:translateY(1px)}
.btn-accent.sm{height:38px;padding:0 16px;font-size:14px}
.btn-outline-primary-soft{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 20px;border:1.5px solid var(--c-primary);border-radius:var(--r-btn);
  background:transparent;color:var(--c-primary);font-size:15px;font-weight:600;
  transition:background .2s var(--ease),transform .2s var(--ease);cursor:pointer;
}
.btn-outline-primary-soft:hover{background:rgba(14,59,44,.08);color:var(--c-primary);transform:translateY(-1px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 20px;border:1.5px solid rgba(255,255,255,.7);border-radius:var(--r-btn);
  background:transparent;color:#fff;font-size:15px;font-weight:600;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{background:#fff;color:var(--c-primary);border-color:#fff;transform:translateY(-1px)}
.menu-toggle{
  width:42px;height:42px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.08);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;padding:0;
}
.menu-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}

.nav-tabs-row{background:var(--c-surface-2);border-bottom:1px solid var(--c-line)}
.channel-tabs{
  display:flex;align-items:center;gap:10px;
  overflow-x:auto;scroll-snap-type:x proximity;
  padding:9px 0;scrollbar-width:none;-ms-overflow-style:none;
}
.site-header.is-compact .channel-tabs{padding:5px 0}
.channel-tabs::-webkit-scrollbar{display:none}
.channel-tabs .pill{
  flex:0 0 auto;scroll-snap-align:start;
  padding:6px 16px;border-radius:var(--r-pill);font-size:14px;
  color:var(--c-ink-2);background:transparent;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.channel-tabs .pill:hover{background:rgba(14,59,44,.09);color:var(--c-primary)}
.channel-tabs .pill.active{background:var(--c-accent);color:#0B1512;font-weight:600}

/* ---------- 移动抽屉 ---------- */
.mobile-nav{background:var(--c-primary);color:#fff;width:296px}
.mobile-nav .offcanvas-header{padding:18px 20px;border-bottom:1px solid rgba(255,255,255,.12)}
.mobile-nav .offcanvas-body{padding:18px 20px 32px}
.mobile-nav .m-brand{display:flex;flex-direction:column;line-height:1.05}
.mobile-nav .m-brand strong{font-size:18px;color:#fff;font-weight:700}
.mobile-nav .m-brand small{font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.68);margin-top:3px}
.mobile-nav .m-links{display:flex;flex-direction:column;gap:2px;margin-bottom:22px}
.mobile-nav .m-links a{
  padding:12px 4px;font-size:16px;font-weight:600;color:rgba(255,255,255,.9);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-nav .m-links a.active{color:var(--c-accent)}
.m-nav-title{font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.5);margin:0 0 10px}
.m-pills{display:flex;flex-wrap:wrap;gap:8px}
.m-pills a{
  padding:6px 14px;border-radius:var(--r-pill);font-size:13px;
  background:rgba(255,255,255,.1);color:#fff;
}
.m-pills a:hover{background:rgba(255,255,255,.18);color:#fff}
.btn-close-white{filter:invert(1) grayscale(1) brightness(2)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:560px;display:flex;align-items:center;overflow:hidden;scroll-margin-top:110px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,25,20,.94) 0%,rgba(6,25,20,.78) 44%,rgba(6,25,20,.18) 100%)}
.hero-inner{position:relative;z-index:2;padding:72px 0 64px;max-width:720px}
.hero-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px;
}
.hero-meta .dot{color:rgba(255,255,255,.4)}
.hero .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:rgba(217,255,87,.14);border:1px solid rgba(217,255,87,.4);
  color:var(--c-accent);font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero h1{
  font-size:44px;line-height:1.18;letter-spacing:-.01em;font-weight:700;color:#fff;
  max-width:640px;
}
.hero-sub{
  margin-top:18px;font-size:17px;line-height:1.75;color:rgba(255,255,255,.82);max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.live-badge{
  position:absolute;right:32px;bottom:32px;z-index:3;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:var(--c-signal);color:#fff;font-size:13px;font-weight:600;letter-spacing:.04em;
}
.live-badge .pulse{width:8px;height:8px;border-radius:50%;background:#fff;animation:pulse 1.8s infinite}
@keyframes pulse{0%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(1.35)}100%{opacity:1;transform:scale(1)}}

/* ---------- 区块基础 ---------- */
.section{padding:72px 0;scroll-margin-top:110px}
.section.tight{padding-top:40px}
.section.alt{background:var(--c-surface-2)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-title{font-size:30px;line-height:1.25;display:flex;align-items:center;gap:12px}
.section-title::before{content:"";flex:0 0 auto;width:4px;height:22px;background:var(--c-accent);border-radius:2px}
.section-desc{font-size:14px;color:var(--c-ink-2);margin-top:10px;max-width:640px}
.link-more{font-size:14px;color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.link-more:hover{color:var(--c-primary);text-decoration-color:var(--c-accent)}
.head-tools{display:flex;align-items:center;gap:12px}
.rail-arrow{
  width:40px;height:40px;border-radius:50%;background:var(--c-surface);
  border:1px solid var(--c-line);color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.rail-arrow:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.rail-arrow svg{width:16px;height:16px}

/* ---------- 横滑片库 ---------- */
.rail-wrap{position:relative}
.rail{
  display:flex;gap:16px;overflow-x:auto;padding:4px 0 14px;
  scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  flex:0 0 260px;scroll-snap-align:start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;color:inherit;display:block;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.rail-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);color:inherit;border-color:rgba(14,59,44,.2)}
.thumb{position:relative;overflow:hidden;background:var(--c-surface-2)}
.rail-card .thumb{aspect-ratio:16/9}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.rail-card:hover .thumb img{transform:scale(1.03)}
.thumb .cat-pill{
  position:absolute;left:10px;top:10px;
  padding:3px 10px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.04em;
  background:rgba(255,255,255,.92);color:var(--c-primary);font-weight:600;
}
.rail-card .body{padding:14px 16px 16px}
.rail-card h3{font-size:16px;line-height:1.45;font-weight:600;min-height:46px}
.rail-card .meta{margin-top:10px;font-size:13px;color:var(--c-ink-3);display:flex;justify-content:space-between;gap:10px}
.thumb .cat-pill.signal{background:var(--c-signal);color:#fff}

/* ---------- 卡片网格 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;color:inherit;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.card-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);color:inherit;border-color:rgba(14,59,44,.2)}
.card-item .thumb{aspect-ratio:16/9}
.card-item:hover .thumb img{transform:scale(1.03)}
.card-item .body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto}
.card-item h3{font-size:18px;line-height:1.45;font-weight:600}
.card-item p{font-size:14px;line-height:1.75;color:var(--c-ink-2);margin-top:10px}
.card-item .meta{margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--c-ink-3)}
.line-clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.line-clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

.pill-tag{display:inline-block;padding:3px 11px;border-radius:var(--r-pill);background:var(--c-surface-2);color:var(--c-ink-2);font-size:12px;letter-spacing:.04em;transition:background .2s var(--ease),color .2s var(--ease)}
.pill-tag:hover{background:var(--c-primary-soft);color:#fff}
.pill-tag.accent{background:var(--c-accent);color:#0B1512;font-weight:600}
.pill-tag.signal{background:var(--c-signal);color:#fff}

/* ---------- 数据条 ---------- */
.stats{background:var(--c-primary);border-radius:var(--r-hero);padding:38px 40px;color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-item{border-left:1px solid rgba(255,255,255,.16);padding-left:22px}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:34px;font-weight:700;color:var(--c-accent);line-height:1.1}
.stat-num small{font-size:16px;color:var(--c-accent);margin-left:2px}
.stat-label{font-size:14px;color:rgba(255,255,255,.74);margin-top:8px}

/* ---------- 紧凑列表 + 侧栏 ---------- */
.split{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.row-item{
  display:flex;gap:16px;padding:16px 4px;border-bottom:1px solid var(--c-line);
  color:inherit;border-radius:10px;transition:background .2s var(--ease);
}
.row-item:first-child{padding-top:4px}
.row-item:hover{background:rgba(14,59,44,.05);color:inherit}
.row-thumb{flex:0 0 120px;width:120px;height:68px;border-radius:10px;overflow:hidden;background:var(--c-surface-2)}
.row-thumb img{width:100%;height:100%;object-fit:cover}
.row-body{flex:1 1 auto;min-width:0}
.row-body h3{font-size:16px;font-weight:600;line-height:1.45}
.row-body p{font-size:13px;line-height:1.7;color:var(--c-ink-2);margin-top:6px}
.row-body .meta{margin-top:8px;font-size:13px;color:var(--c-ink-3);display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.side-panel{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px 22px 8px;box-shadow:var(--shadow-1)}
.side-title{font-size:18px;font-weight:600;display:flex;align-items:center;gap:10px;margin-bottom:6px}
.side-title::before{content:"";width:4px;height:18px;background:var(--c-accent);border-radius:2px}
.rank-list{display:flex;flex-direction:column}
.rank-item{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--c-line);color:inherit}
.rank-item:last-child{border-bottom:0}
.rank-num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:20px;font-weight:700;color:var(--c-accent);text-shadow:0 0 0 var(--c-primary);min-width:22px;line-height:1.3}
.rank-item:hover .rank-num{color:var(--c-primary-soft)}
.rank-item h4{font-size:14px;font-weight:600;line-height:1.5}
.rank-item span{font-size:12px;color:var(--c-ink-3);display:block;margin-top:4px}

/* ---------- CMS 列表 ---------- */
.cms-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.cms-card{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:22px 24px;color:inherit;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.cms-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);color:inherit;border-color:rgba(14,59,44,.22)}
.cms-card .top{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.cms-card h3{font-size:18px;font-weight:600;line-height:1.5}
.cms-card p{font-size:14px;line-height:1.8;color:var(--c-ink-2);margin-top:10px}
.cms-card .meta{margin-top:14px;font-size:13px;color:var(--c-ink-3);display:flex;gap:14px;flex-wrap:wrap}
.cms-empty{
  border:1.5px dashed var(--c-line);border-radius:var(--r-card);
  padding:40px;text-align:center;color:var(--c-ink-2);background:var(--c-surface);
}
.cms-empty p{margin-bottom:16px;font-size:15px}

/* ---------- FAQ ---------- */
.faq-wrap{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1)}
.accordion-item{border:0;border-bottom:1px solid var(--c-line);background:transparent}
.accordion-item:last-child{border-bottom:0}
.accordion-button{
  background:transparent;border:0;box-shadow:none;border-radius:0;
  font-size:17px;font-weight:600;color:var(--c-ink);padding:22px 24px 22px 28px;
  position:relative;line-height:1.5;
}
.accordion-button::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:transparent;border-radius:0 2px 2px 0;transition:background .2s var(--ease)}
.accordion-button:not(.collapsed){color:var(--c-primary);background:rgba(14,59,44,.03)}
.accordion-button:not(.collapsed)::before{background:var(--c-accent)}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--c-accent);outline-offset:-4px}
.accordion-button::after{
  width:16px;height:16px;background-image:none;position:relative;
  content:"";border-right:1.8px solid var(--c-ink-2);border-bottom:1.8px solid var(--c-ink-2);
  transform:rotate(45deg);transition:transform .24s var(--ease);margin-left:auto;
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--c-primary)}
.accordion-body{padding:0 24px 24px 28px;font-size:15px;line-height:1.9;color:var(--c-ink-2)}

/* ---------- 订阅 ---------- */
.subscribe{background:var(--c-primary-deep);border-radius:var(--r-hero);padding:52px 48px;color:#fff}
.subscribe h2{color:#fff;font-size:30px;line-height:1.3}
.subscribe .lead{color:rgba(255,255,255,.72);font-size:15px;margin-top:14px;max-width:460px}
.sub-form{display:flex;gap:12px;align-items:center}
.sub-form input{
  flex:1 1 auto;height:46px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.2);background:#fff;color:var(--c-ink);
  padding:0 16px;font-size:16px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.sub-form input::placeholder{color:var(--c-ink-3)}
.sub-form input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(217,255,87,.22)}
.sub-note{font-size:13px;color:rgba(255,255,255,.6);margin-top:14px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.sub-note input[type="checkbox"]{width:16px;height:16px;accent-color:var(--c-accent);margin:0}

/* ---------- 分组片单 ---------- */
.group-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}
.group-head h3{font-size:20px;font-weight:600;display:flex;align-items:center;gap:10px}
.group-head h3::before{content:"";width:4px;height:18px;background:var(--c-accent);border-radius:2px}
.group-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;color:inherit;display:block;transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.group-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);color:inherit}
.group-card .thumb{aspect-ratio:16/9;border-radius:var(--r-media);overflow:hidden;margin-bottom:16px}
.group-card h4{font-size:17px;font-weight:600;line-height:1.5}
.group-card p{font-size:13px;line-height:1.75;color:var(--c-ink-2);margin-top:8px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.72);margin-top:0;border-top:1px solid rgba(255,255,255,.12)}
.footer-top{padding:64px 0 40px}
.footer-brand{display:flex;flex-direction:column;line-height:1.05;margin-bottom:16px}
.fb-main{font-size:20px;font-weight:700;color:#fff}
.fb-sub{font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.6);margin-top:3px}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:340px}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7)}
.footer-links a:hover{color:var(--c-accent)}
.footer-address{font-style:normal;font-size:14px;line-height:1.9;color:rgba(255,255,255,.66)}
.footer-address span{display:block}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0}
.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom-inner a{color:rgba(255,255,255,.62)}
.footer-bottom-inner a:hover{color:var(--c-accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .grid-4{grid-template-columns:repeat(3,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
}
@media (max-width:991.98px){
  .section{padding:56px 0}
  .hero{min-height:460px}
  .hero h1{font-size:34px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .stats{padding:32px 28px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:22px}
  .stat-item:nth-child(3){border-left:0;padding-left:0}
  .rail-card{flex:0 0 220px}
  .subscribe{padding:40px 30px}
  .subscribe h2{font-size:26px}
  .cms-grid{grid-template-columns:1fr}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .section{padding:40px 0}
  .section-title{font-size:24px}
  .hero{min-height:380px}
  .hero-inner{padding:48px 0 44px;max-width:100%}
  .hero h1{font-size:28px}
  .hero-sub{font-size:15px;margin-top:14px}
  .hero-actions{gap:12px;margin-top:24px}
  .hero-actions .btn-accent,.hero-actions .btn-ghost,.hero-actions .btn-outline-primary-soft{flex:1 1 auto}
  .live-badge{right:16px;bottom:16px}
  .rail-card{flex:0 0 200px}
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr;gap:18px}
  .stat-item{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.14);padding-top:16px}
  .stat-item:first-child{border-top:0;padding-top:0}
  .sub-form{flex-direction:column;align-items:stretch}
  .sub-form .btn-accent{width:100%}
  .subscribe{padding:32px 22px;border-radius:var(--r-card)}
  .split{gap:26px}
  .row-item{gap:12px}
  .row-thumb{flex:0 0 104px;width:104px;height:60px}
  .accordion-button{font-size:16px;padding:18px 18px 18px 22px}
  .accordion-body{padding:0 18px 20px 22px}
  .footer-top{padding:44px 0 28px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --c-primary:#0E3B2C;
  --c-primary-deep:#061914;
  --c-primary-soft:#1C6B4F;
  --c-accent:#D9FF57;
  --c-accent-hover:#C2EC3A;
  --c-signal:#FF6A3D;
  --c-bg:#F6F5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEEE8;
  --c-ink:#12181A;
  --c-ink-2:#4A5250;
  --c-ink-3:#8A928F;
  --c-line:#E3E2DA;
  --r-card:16px;
  --r-media:12px;
  --r-btn:10px;
  --r-pill:999px;
  --r-hero:20px;
  --sh-1:0 1px 2px rgba(10,20,16,.06), 0 8px 24px -12px rgba(10,20,16,.18);
  --sh-2:0 14px 32px -14px rgba(10,20,16,.26);
  --ease:cubic-bezier(.2,.7,.2,1);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, "DIN Alternate", "SFMono-Regular", Menlo, Consolas, monospace;

  --bs-body-font-family: var(--font);
  --bs-body-color: var(--c-ink);
  --bs-body-bg: var(--c-bg);
  --bs-primary: #0E3B2C;
  --bs-border-color: var(--c-line);
  --bs-link-color: var(--c-primary);
  --bs-link-hover-color: var(--c-primary-soft);
  --bs-border-radius: var(--r-btn);
  --bs-font-sans-serif: var(--font);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.9;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:var(--c-primary);text-decoration:none;transition:color .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease);}
a:hover{color:var(--c-primary-soft);}
img{max-width:100%;height:auto;display:block;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;}

.container{max-width:1280px;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto;}
@media (min-width:1440px){ .container{max-width:1320px;} }
@media (max-width:767px){ .container{padding-left:16px;padding-right:16px;} }

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--c-primary);box-shadow:0 1px 0 rgba(255,255,255,.10);}
.nav-row{display:flex;align-items:center;gap:22px;height:68px;}
.brand{display:flex;flex-direction:column;line-height:1.05;color:#fff;flex:0 0 auto;padding:4px 0;}
.brand-main{font-size:20px;font-weight:700;letter-spacing:.02em;color:#fff;}
.brand-sub{font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.70);margin-top:3px;}
.brand:hover .brand-main{color:var(--c-accent);}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-item{position:relative;color:rgba(255,255,255,.84);font-size:15px;font-weight:500;padding:9px 13px;border-radius:8px;display:inline-block;}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.10);}
.nav-item.active{color:#fff;font-weight:600;}
.nav-item.active::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:3px;border-radius:2px;background:var(--c-accent);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);border-radius:var(--r-pill);height:38px;padding:0 14px;width:190px;transition:width .26s var(--ease),background-color .26s var(--ease);}
.search-box:focus-within{width:240px;background:rgba(255,255,255,.16);}
.search-box i{color:rgba(255,255,255,.66);font-size:13px;}
.search-box input{background:transparent;border:0;outline:none;color:#fff;font-size:14px;width:100%;}
.search-box input::placeholder{color:rgba(255,255,255,.55);}
.btn-primary-c{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);border:1.5px solid transparent;
  background:var(--c-accent);color:#0B1512;font-weight:600;font-size:15px;cursor:pointer;
  transition:background-color .22s var(--ease),transform .22s var(--ease),color .22s var(--ease);
}
.btn-primary-c:hover{background:var(--c-accent-hover);color:#0B1512;transform:translateY(-1px);}
.btn-primary-c:active{transform:translateY(1px);}
.btn-primary-c.btn-sm-c{height:38px;padding:0 16px;font-size:14px;}
.btn-outline-c{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  background:transparent;border:1.5px solid var(--c-primary);color:var(--c-primary);
  font-weight:600;font-size:15px;cursor:pointer;transition:background-color .22s var(--ease),transform .22s var(--ease);
}
.btn-outline-c:hover{background:rgba(14,59,44,.08);color:var(--c-primary);transform:translateY(-1px);}
.btn-ghost-c{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);border:1.5px solid rgba(255,255,255,.70);color:#fff;font-weight:600;background:transparent;font-size:15px;}
.btn-ghost-c:hover{background:#fff;color:var(--c-primary);border-color:#fff;}
.drawer-toggle{width:40px;height:38px;border-radius:8px;border:1px solid rgba(255,255,255,.24);background:transparent;color:#fff;font-size:16px;}

.channel-bar{background:var(--c-surface-2);border-bottom:1px solid var(--c-line);}
.channel-track{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none;}
.channel-track::-webkit-scrollbar{display:none;}
.chan-pill{flex:0 0 auto;scroll-snap-align:start;padding:6px 16px;border-radius:var(--r-pill);font-size:14px;color:var(--c-ink-2);white-space:nowrap;}
.chan-pill:hover{background:rgba(14,59,44,.08);color:var(--c-primary);}
.chan-pill.active{background:var(--c-accent);color:#0B1512;font-weight:600;}

/* ---------- Offcanvas ---------- */
.drawer{background:var(--c-primary);color:#fff;width:300px;}
.drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:18px 20px;}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.8;}
.drawer-list{list-style:none;margin:0;padding:12px 8px;}
.drawer-list a{display:block;color:rgba(255,255,255,.88);font-weight:600;padding:13px 14px;border-radius:10px;font-size:16px;}
.drawer-list a:hover,.drawer-list a.active{background:rgba(255,255,255,.10);color:#fff;}
.drawer-foot{padding:18px 20px;border-top:1px solid rgba(255,255,255,.12);}

/* ---------- Page head ---------- */
.page-head{position:relative;background:var(--c-primary);color:#fff;overflow:hidden;padding:48px 0 44px;}
.page-head-bg{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-2.webp);background-size:cover;background-position:center 35%;opacity:.30;}
.page-head::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,25,20,.94) 0%,rgba(6,25,20,.72) 52%,rgba(6,25,20,.30) 100%);}
.page-head-inner{position:relative;z-index:2;max-width:960px;}
.crumb{margin-bottom:18px;}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0;font-size:13px;color:rgba(255,255,255,.62);}
.crumb li{display:flex;align-items:center;gap:8px;min-width:0;}
.crumb li+li::before{content:"/";color:rgba(255,255,255,.35);}
.crumb a{color:rgba(255,255,255,.72);}
.crumb a:hover{color:var(--c-accent);}
.crumb li.current{color:#fff;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.page-head h1{font-size:40px;line-height:1.18;letter-spacing:-.01em;font-weight:700;margin:0 0 20px;color:#fff;max-width:900px;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;color:rgba(255,255,255,.72);}
.badge-cat{display:inline-flex;align-items:center;padding:5px 14px;border-radius:var(--r-pill);background:var(--c-accent);color:#0B1512;font-size:12px;font-weight:600;letter-spacing:.04em;}
.badge-soft{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);background:rgba(255,255,255,.14);color:#fff;font-size:12px;letter-spacing:.04em;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.35);display:inline-block;}

/* ---------- Article layout ---------- */
.article-shell{padding:56px 0 72px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:48px;align-items:start;}
.article-main{min-width:0;max-width:780px;}
.article-body{font-size:17px;line-height:1.9;color:var(--c-ink);}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{font-size:26px;line-height:1.3;font-weight:700;margin:2em 0 .8em;scroll-margin-top:110px;}
.article-body h2::before{content:"";display:inline-block;width:4px;height:22px;background:var(--c-accent);border-radius:2px;margin-right:12px;vertical-align:-2px;}
.article-body h3{font-size:20px;line-height:1.4;font-weight:600;margin:1.6em 0 .6em;scroll-margin-top:110px;}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.2em;line-height:1.8;}
.article-body li{margin-bottom:.45em;}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{text-decoration-color:var(--c-accent);}
.article-body img{border-radius:var(--r-media);margin:1.6em 0;box-shadow:var(--sh-1);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:10px;}
.article-body blockquote{margin:1.6em 0;padding:16px 20px;background:rgba(14,59,44,.06);border-left:3px solid var(--c-primary);border-radius:0 12px 12px 0;color:var(--c-ink-2);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;display:block;overflow-x:auto;}
.article-body thead th{background:var(--c-surface-2);text-align:left;font-weight:600;}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:11px 14px;white-space:nowrap;}
.article-body pre{background:var(--c-surface-2);border-radius:10px;padding:16px;overflow-x:auto;font-family:var(--mono);font-size:14px;line-height:1.7;margin:1.6em 0;}
.article-body code{font-family:var(--mono);font-size:14px;background:var(--c-surface-2);border-radius:6px;padding:2px 6px;}
.article-body pre code{background:transparent;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2.2em 0;}

.empty-state{background:var(--c-surface);border:1.5px dashed var(--c-line);border-radius:var(--r-card);padding:48px 32px;text-align:center;}
.empty-state h2{font-size:22px;font-weight:700;margin:0 0 10px;color:var(--c-ink);}
.empty-state p{color:var(--c-ink-2);font-size:15px;margin:0 0 20px;}

/* ---------- TOC ---------- */
.toc{position:sticky;top:110px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);}
.toc-title{margin:0 0 12px;font-size:12px;letter-spacing:.08em;color:var(--c-ink-3);}
.toc-list{list-style:none;margin:0;padding:0;font-size:14px;line-height:1.6;}
.toc-list li{margin:2px 0;}
.toc-list a{display:block;padding:7px 10px;border-left:3px solid transparent;color:var(--c-ink-2);border-radius:0 8px 8px 0;}
.toc-list a:hover{background:var(--c-surface-2);color:var(--c-primary);}
.toc-list a.is-active{border-left-color:var(--c-accent);color:var(--c-primary);font-weight:600;background:rgba(14,59,44,.05);}

/* ---------- Tags ---------- */
.tag-block{margin-top:44px;padding-top:28px;border-top:1px solid var(--c-line);display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tag-block .tag-label{font-size:13px;color:var(--c-ink-3);margin-right:4px;}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);background:var(--c-surface-2);color:var(--c-ink-2);font-size:12px;letter-spacing:.04em;}
.tag:hover{background:var(--c-primary-soft);color:#fff;}

/* ---------- Section heading ---------- */
.section{padding:0 0 64px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.section-head h2{position:relative;font-size:30px;font-weight:700;line-height:1.25;margin:0;padding-left:16px;}
.section-head h2::before{content:"";position:absolute;left:0;top:6px;width:4px;height:22px;background:var(--c-accent);border-radius:2px;}
.section-head .link-more{font-size:14px;font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}

/* ---------- Cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.media-card{display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);}
.media-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,59,44,.24);}
.media-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-2);}
.media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .28s var(--ease);}
.media-card:hover .media-thumb img{transform:scale(1.03);}
.thumb-pill{position:absolute;left:12px;top:12px;padding:4px 12px;border-radius:var(--r-pill);background:rgba(6,25,20,.78);color:#fff;font-size:12px;letter-spacing:.04em;}
.media-body{padding:20px;}
.media-body h3{font-size:18px;line-height:1.45;font-weight:600;margin:0 0 8px;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.media-card:hover h3{color:var(--c-primary);}
.media-body p{font-size:14px;line-height:1.75;color:var(--c-ink-2);margin:0 0 14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.media-meta{font-size:13px;color:var(--c-ink-3);display:flex;align-items:center;gap:10px;}

/* ---------- Prev / Next ---------- */
.prevnext{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-bottom:8px;}
.prevnext a{display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;transition:border-color .22s var(--ease),transform .22s var(--ease);}
.prevnext a:hover{border-color:var(--c-primary);transform:translateY(-2px);}
.prevnext .pn-label{font-size:12px;letter-spacing:.06em;color:var(--c-ink-3);display:block;margin-bottom:8px;}
.prevnext .pn-title{font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.5;}
.prevnext a:hover .pn-title{color:var(--c-primary);}
.back-row{margin-top:28px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.74);margin-top:24px;}
.footer-top{padding:64px 0 44px;border-top:1px solid rgba(255,255,255,.12);}
.footer-brand{display:flex;flex-direction:column;line-height:1.05;margin-bottom:16px;}
.fb-main{font-size:20px;font-weight:700;color:#fff;}
.fb-sub{font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.60);margin-top:4px;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:360px;margin:0;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin:0 0 16px;letter-spacing:.02em;}
.footer-links{list-style:none;margin:0;padding:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.70);font-size:14px;}
.footer-links a:hover{color:var(--c-accent);}
.footer-address{font-style:normal;display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.66);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;}
.footer-bottom-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:rgba(255,255,255,.56);}
.footer-bottom-inner p{margin:0;}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .toc{display:none;}
  .article-main{max-width:780px;margin:0 auto;}
}
@media (max-width:991.98px){
  .page-head{padding:40px 0 36px;}
  .page-head h1{font-size:32px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .article-shell{padding:44px 0 56px;}
  .section{padding-bottom:56px;}
  .section-head h2{font-size:25px;}
}
@media (max-width:767.98px){
  .nav-row{height:62px;gap:12px;}
  .channel-track{height:44px;}
  .page-head h1{font-size:28px;}
  .page-head{padding:32px 0 30px;}
  .article-shell{padding:36px 0 48px;}
  .prevnext{grid-template-columns:minmax(0,1fr);}
  .section-head h2{font-size:23px;}
  .article-body h2{font-size:22px;}
  .article-body h2::before{height:19px;vertical-align:-2px;}
  .article-body{font-size:17px;line-height:1.9;}
}
@media (max-width:575.98px){
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .crumb li.current{max-width:200px;}
  .page-head h1{font-size:26px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .media-card:hover{transform:none;}
  .media-card:hover .media-thumb img{transform:none;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0E3B2C;
  --c-primary-deep:#061914;
  --c-primary-soft:#1C6B4F;
  --c-accent:#D9FF57;
  --c-accent-hover:#C2EC3A;
  --c-signal:#FF6A3D;
  --c-bg:#F6F5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEEE8;
  --c-ink:#12181A;
  --c-ink-2:#4A5250;
  --c-ink-3:#8A928F;
  --c-line:#E3E2DA;
  --r-card:16px;
  --r-media:12px;
  --r-btn:10px;
  --r-pill:999px;
  --r-hero:20px;
  --shadow-1:0 1px 2px rgba(10,20,16,.06), 0 8px 24px -12px rgba(10,20,16,.18);
  --shadow-2:0 14px 32px -14px rgba(10,20,16,.26);
  --ease:cubic-bezier(.2,.7,.2,1);
  --font-sans:-apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-num:ui-monospace, "SFMono-Regular", "DIN Alternate", Menlo, Consolas, monospace;
  --bs-body-font-family:var(--font-sans);
  --bs-body-color:#12181A;
  --bs-body-bg:#F6F5F0;
  --bs-border-color:#E3E2DA;
  --bs-link-color:#0E3B2C;
  --bs-link-hover-color:#1C6B4F;
  --bs-primary:#0E3B2C;
  --bs-border-radius:16px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.9;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none}
a:hover{color:var(--c-primary-soft)}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media (min-width:1440px){.container{max-width:1320px}}
@media (max-width:767px){.container{padding:0 16px}}
.section{padding:72px 0}
@media (max-width:991px){.section{padding:56px 0}}
@media (max-width:575px){.section{padding:40px 0}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--c-primary);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-compact{box-shadow:0 10px 28px -18px rgba(6,25,20,.65)}
.header-top-inner{
  display:flex;align-items:center;gap:28px;
  height:68px;transition:height .24s var(--ease);
}
.site-header.is-compact .header-top-inner{height:56px}
.brand{display:inline-flex;flex-direction:column;justify-content:center;line-height:1.05;text-decoration:none;flex:0 0 auto}
.brand-main{font-size:20px;font-weight:700;color:#F4F7F2;letter-spacing:.02em}
.brand-sub{font-size:12px;letter-spacing:.08em;color:rgba(244,247,242,.62);margin-top:2px}
.brand:hover .brand-main{color:var(--c-accent)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.main-nav .nav-item{
  position:relative;
  padding:8px 14px;
  color:rgba(244,247,242,.78);
  font-size:15px;
  border-radius:8px;
  transition:color .22s var(--ease),background-color .22s var(--ease);
}
.main-nav .nav-item:hover{color:#fff;background:rgba(255,255,255,.08)}
.main-nav .nav-item.active{color:#fff;font-weight:600}
.main-nav .nav-item.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;
  background:var(--c-accent);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;width:168px;padding:0 14px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-pill);
  transition:width .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease);
}
.nav-search:focus-within{width:240px;background:rgba(255,255,255,.18);border-color:rgba(217,255,87,.6)}
.nav-search i{color:rgba(244,247,242,.7);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(244,247,242,.55)}
@media (max-width:1199px){.nav-search{display:none}}
.nav-cta{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;
  background:var(--c-accent);color:#0B1512;font-size:15px;font-weight:600;
  border-radius:var(--r-btn);white-space:nowrap;
  transition:background-color .22s var(--ease),transform .22s var(--ease);
}
.nav-cta:hover{background:var(--c-accent-hover);color:#0B1512;transform:translateY(-1px)}
.nav-toggle{
  width:42px;height:40px;border:1px solid rgba(255,255,255,.24);background:transparent;
  border-radius:var(--r-btn);display:inline-flex;flex-direction:column;
  align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#F4F7F2;border-radius:2px}
@media (max-width:575px){.nav-cta{padding:0 14px;font-size:14px}}

.channel-bar{background:var(--c-surface-2);border-top:1px solid rgba(255,255,255,.06)}
.channel-bar-inner{display:flex;align-items:center;height:48px;transition:height .24s var(--ease)}
.site-header.is-compact .channel-bar-inner{height:40px}
.channel-tabs{
  display:flex;align-items:center;gap:10px;
  overflow-x:auto;scroll-snap-type:x proximity;
  width:100%;height:100%;
  scrollbar-width:none;-ms-overflow-style:none;
  -webkit-overflow-scrolling:touch;
}
.channel-tabs::-webkit-scrollbar{display:none}
.channel-pill{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;height:32px;padding:0 16px;
  border-radius:var(--r-pill);font-size:14px;color:var(--c-ink-2);
  transition:background-color .22s var(--ease),color .22s var(--ease);
}
.channel-pill:hover{background:rgba(14,59,44,.1);color:var(--c-primary)}
.channel-pill.active{background:var(--c-accent);color:var(--c-primary);font-weight:600}

/* offcanvas */
.mobile-nav{background:var(--c-primary);color:#F4F7F2;width:296px}
.mobile-nav .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:20px}
.mobile-nav .offcanvas-body{padding:18px 20px 32px}
.mobile-nav .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.8}
.m-link{
  display:block;padding:14px 0;color:rgba(244,247,242,.86);font-size:16px;font-weight:600;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.m-link:hover,.m-link.active{color:var(--c-accent)}
.m-sub-title{font-size:13px;letter-spacing:.08em;color:rgba(244,247,242,.5);margin:26px 0 12px}
.m-sub{display:flex;flex-wrap:wrap;gap:10px}
.m-sub a{
  padding:7px 14px;border-radius:var(--r-pill);font-size:14px;
  background:rgba(255,255,255,.1);color:rgba(244,247,242,.88);
}
.m-sub a:hover{background:var(--c-accent);color:var(--c-primary)}

/* ============ 按钮 ============ */
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border:0;border-radius:var(--r-btn);
  background:var(--c-accent);color:#0B1512;font-size:15px;font-weight:600;
  transition:background-color .22s var(--ease),transform .22s var(--ease);
}
.btn-accent:hover{background:var(--c-accent-hover);color:#0B1512;transform:translateY(-1px)}
.btn-accent:active{transform:translateY(1px)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  border:1.5px solid var(--c-primary);background:transparent;color:var(--c-primary);
  font-size:15px;font-weight:600;
  transition:background-color .22s var(--ease),transform .22s var(--ease);
}
.btn-outline:hover{background:rgba(14,59,44,.08);color:var(--c-primary)}
.btn-outline:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  border:1.5px solid rgba(255,255,255,.7);background:transparent;color:#fff;
  font-size:15px;font-weight:600;
  transition:background-color .22s var(--ease),color .22s var(--ease);
}
.btn-ghost:hover{background:#fff;color:var(--c-primary)}
a:focus-visible,button:focus-visible,input:focus-visible,.accordion-button:focus-visible{
  outline:2px solid var(--c-accent);outline-offset:2px;
}
.link-more{
  color:var(--c-primary);font-size:15px;font-weight:600;
  text-decoration:underline;text-decoration-color:var(--c-accent);
  text-decoration-thickness:2px;text-underline-offset:3px;
  transition:color .22s var(--ease);
}
.link-more:hover{color:var(--c-primary);text-decoration-color:var(--c-accent-hover)}

/* ============ 页头 ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--c-primary) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:#F4F7F2;padding:52px 0 46px;min-height:260px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,25,20,.95) 0%,rgba(6,25,20,.84) 44%,rgba(6,25,20,.42) 100%);
}
.page-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(244,247,242,.62);margin-bottom:20px}
.crumb a{color:rgba(244,247,242,.78)}
.crumb a:hover{color:var(--c-accent)}
.crumb li+li::before{content:"/";margin-right:8px;color:rgba(244,247,242,.36)}
.crumb .current{color:rgba(244,247,242,.95)}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;color:var(--c-accent);
  border:1px solid rgba(217,255,87,.42);border-radius:var(--r-pill);
  padding:4px 12px;margin-bottom:16px;
}
.hero-grid{display:flex;align-items:flex-end;justify-content:space-between;gap:40px}
.hero-grid h1{
  font-size:40px;line-height:1.18;font-weight:700;letter-spacing:-.01em;color:#fff;
  max-width:760px;
}
.hero-sub{
  max-width:660px;margin-top:16px;font-size:16px;line-height:1.8;
  color:rgba(244,247,242,.8);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.count-block{
  flex:0 0 auto;text-align:center;
  background:var(--c-accent);color:#0B1512;
  border-radius:var(--r-card);padding:16px 22px;min-width:150px;
  box-shadow:var(--shadow-1);
}
.count-num{display:block;font-family:var(--font-num);font-size:34px;font-weight:700;line-height:1.1}
.count-label{display:block;font-size:13px;margin-top:4px;color:#22412F}
@media (max-width:991px){
  .hero-grid{flex-direction:column;align-items:flex-start;gap:24px}
  .hero-grid h1{font-size:32px}
  .page-hero{padding:40px 0 36px;min-height:0}
}
@media (max-width:575px){
  .hero-grid h1{font-size:28px}
  .count-block{min-width:0;padding:14px 18px}
  .count-num{font-size:28px}
}

/* ============ 数据条 ============ */
.stat-strip{background:var(--c-surface);border-bottom:1px solid var(--c-line)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:24px 20px;border-right:1px solid var(--c-line)}
.stat:last-child{border-right:0}
.stat-num{display:block;font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--c-primary);line-height:1.2}
.stat-label{display:block;font-size:13px;color:var(--c-ink-3);margin-top:6px}
@media (max-width:767px){
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat{border-bottom:1px solid var(--c-line)}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-last-child(-n+2){border-bottom:0}
}

/* ============ 区块头 ============ */
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  padding-bottom:18px;margin-bottom:32px;border-bottom:1px solid var(--c-line);flex-wrap:wrap;
}
.section-head h2{position:relative;font-size:30px;font-weight:700;line-height:1.25;padding-left:18px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:22px;border-radius:2px;background:var(--c-accent);
}
.section-head .head-note{font-size:14px;color:var(--c-ink-2);margin-top:6px;padding-left:18px}
@media (max-width:575px){.section-head h2{font-size:24px}}

/* ============ 内容卡片 ============ */
.media-card{
  height:100%;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.media-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D6D5CB}
.media-link{display:block;height:100%;color:inherit}
.media-link:hover{color:inherit}
.media-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-2)}
.media-cover img{width:100%;height:100%;object-fit:cover;transition:transform .28s var(--ease)}
.media-card:hover .media-cover img{transform:scale(1.03)}
.pill{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;letter-spacing:.04em;
  background:var(--c-surface-2);color:var(--c-ink-2);
}
.pill-cat{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);color:var(--c-primary);font-weight:600}
.badge-live{
  position:absolute;right:12px;top:12px;
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--c-signal);color:#fff;font-size:12px;font-weight:600;
}
.badge-live .dot{width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.8s infinite}
.badge-done{
  position:absolute;right:12px;top:12px;
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);background:rgba(18,24,26,.68);color:#fff;font-size:12px;
}
.badge-new{
  position:absolute;right:12px;top:12px;
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);background:var(--c-accent);color:#0B1512;font-size:12px;font-weight:600;
}
@keyframes pulse{0%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.8)}100%{opacity:1;transform:scale(1)}}
.media-body{padding:20px}
.media-title{
  font-size:19px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.media-desc{
  margin-top:10px;font-size:14px;line-height:1.75;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.media-meta{display:flex;align-items:center;gap:12px;margin-top:16px;font-size:13px;color:var(--c-ink-3)}
.media-meta time{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.media-meta .sep{width:1px;height:12px;background:var(--c-line)}

/* ============ 观看流程 ============ */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 22px;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-1)}
.step-index{
  font-family:var(--font-num);font-size:26px;font-weight:700;
  color:var(--c-primary);letter-spacing:.02em;
}
.step h3{font-size:18px;font-weight:600;margin-top:14px}
.step p{margin-top:8px;font-size:14px;line-height:1.8;color:var(--c-ink-2)}
@media (max-width:991px){.step-grid{grid-template-columns:repeat(2,1fr);gap:20px}}
@media (max-width:575px){.step-grid{grid-template-columns:1fr}}

/* ============ FAQ ============ */
.faq-wrap{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;
}
.accordion-item{border:0;border-bottom:1px solid var(--c-line);background:transparent}
.accordion-item:last-child{border-bottom:0}
.accordion-button{
  position:relative;width:100%;padding:22px 60px 22px 22px;
  font-size:17px;font-weight:600;color:var(--c-ink);background:transparent;
  border:0;box-shadow:none!important;border-radius:0!important;
  transition:color .24s var(--ease);
}
.accordion-button:hover{color:var(--c-primary)}
.accordion-button:not(.collapsed){color:var(--c-primary);background:rgba(14,59,44,.04)}
.accordion-button:not(.collapsed)::after{transform:translate(-6px,-50%) rotate(90deg);opacity:0}
.accordion-button:not(.collapsed)::before{background:var(--c-primary-soft)}
.accordion-button::before,
.accordion-button::after{
  content:"";position:absolute;right:25px;top:50%;
  background:var(--c-primary);border-radius:2px;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
  background-image:none;
}
.accordion-button::before{width:14px;height:2px;transform:translateY(-50%)}
.accordion-button::after{
  width:2px;height:14px;transform:translate(-6px,-50%);
  margin-left:0;flex-shrink:0;background-size:0;
}
.accordion-button:not(.collapsed){box-shadow:inset 3px 0 0 var(--c-accent)!important}
.accordion-body{padding:0 60px 24px 22px;font-size:15px;line-height:1.9;color:var(--c-ink-2)}

/* ============ 通道 CTA ============ */
.cta-panel{
  background:var(--c-primary);color:#F4F7F2;border-radius:var(--r-hero);
  padding:44px;display:flex;align-items:center;justify-content:space-between;
  gap:36px;flex-wrap:wrap;
}
.cta-panel h2{color:#fff;font-size:26px;font-weight:700;line-height:1.3}
.cta-panel p{color:rgba(244,247,242,.78);font-size:15px;margin-top:12px;max-width:620px}
.cta-pills{display:flex;flex-wrap:wrap;gap:12px}
.pill-link{
  display:inline-flex;align-items:center;height:42px;padding:0 22px;
  border-radius:var(--r-pill);border:1.5px solid rgba(255,255,255,.5);
  color:#fff;font-size:15px;font-weight:600;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.pill-link:hover{background:var(--c-accent);border-color:var(--c-accent);color:#0B1512}
@media (max-width:767px){.cta-panel{padding:28px 22px;gap:22px}.cta-panel h2{font-size:22px}}

/* ============ 订阅条 ============ */
.sub-bar{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 32px;box-shadow:var(--shadow-1);
}
.sub-bar h2{font-size:21px;font-weight:700}
.sub-bar p{font-size:14px;color:var(--c-ink-2);margin-top:8px}
.sub-form{display:flex;gap:12px;flex:0 0 auto}
.sub-form input{
  width:260px;height:46px;padding:0 16px;font-size:16px;
  border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#fff;color:var(--c-ink);outline:none;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.sub-form input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,59,44,.12)}
.sub-form input::placeholder{color:var(--c-ink-3)}
@media (max-width:767px){
  .sub-bar{padding:24px 20px}
  .sub-form{width:100%;flex-direction:column}
  .sub-form input{width:100%}
  .sub-form .btn-accent{width:100%}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary-deep);color:rgba(244,247,242,.78);margin-top:0}
.footer-top{padding:64px 0 44px;border-top:1px solid rgba(255,255,255,.12)}
.footer-brand{display:inline-flex;flex-direction:column;line-height:1.05;margin-bottom:18px}
.fb-main{font-size:22px;font-weight:700;color:#F4F7F2}
.fb-sub{font-size:12px;letter-spacing:.08em;color:rgba(244,247,242,.55);margin-top:3px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(244,247,242,.68);max-width:420px}
.footer-title{font-size:15px;font-weight:600;color:#F4F7F2;margin-bottom:18px}
.footer-links li{margin-bottom:12px}
.footer-links a{font-size:14px;color:rgba(244,247,242,.72)}
.footer-links a:hover{color:var(--c-accent)}
.footer-address{display:flex;flex-direction:column;gap:10px;font-style:normal;font-size:14px;color:rgba(244,247,242,.68)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0}
.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(244,247,242,.55)}
@media (max-width:575px){.footer-top{padding:44px 0 32px}}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .media-card:hover,.step:hover{transform:none}
  .media-card:hover .media-cover img{transform:none}
}

/* roulang page: category2 */
:root{
  --c-primary:#0E3B2C;
  --c-primary-deep:#061914;
  --c-primary-soft:#1C6B4F;
  --c-accent:#D9FF57;
  --c-accent-hover:#C2EC3A;
  --c-signal:#FF6A3D;
  --c-bg:#F6F5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEEE8;
  --c-ink:#12181A;
  --c-ink-2:#4A5250;
  --c-ink-3:#8A928F;
  --c-line:#E3E2DA;
  --r-card:16px;
  --r-media:12px;
  --r-btn:10px;
  --r-pill:999px;
  --r-hero:20px;
  --sh-1:0 1px 2px rgba(10,20,16,.06), 0 8px 24px -12px rgba(10,20,16,.18);
  --sh-2:0 14px 32px -14px rgba(10,20,16,.26);
  --ease:cubic-bezier(.2,.7,.2,1);
  --mono:ui-monospace,"SFMono-Regular","DIN Alternate","Roboto Mono",Menlo,Consolas,monospace;
  --bs-primary:#0E3B2C;
  --bs-primary-rgb:14,59,44;
  --bs-body-font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-body-color:#12181A;
  --bs-body-bg:#F6F5F0;
  --bs-border-color:#E3E2DA;
  --bs-link-color:#0E3B2C;
  --bs-link-hover-color:#1C6B4F;
  --bs-border-radius:10px;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease);}
a:hover{color:var(--c-primary-soft);}
h1,h2,h3,h4{color:var(--c-ink);margin:0;font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1440px){
  .container{max-width:1320px;}
}
.section{padding:72px 0;scroll-margin-top:110px;}
.section--tight{padding:56px 0;scroll-margin-top:110px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
  flex-wrap:wrap;
}
.section-head h2{font-size:30px;line-height:1.25;}
.h2-mark{display:flex;align-items:center;gap:12px;}
.h2-mark::before{
  content:"";
  width:4px;height:22px;border-radius:2px;
  background:var(--c-accent);
  flex:0 0 auto;
}
.section-sub{font-size:15px;color:var(--c-ink-2);margin:6px 0 0;line-height:1.7;}
.text-link{
  color:var(--c-primary);
  font-size:15px;
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
}
.text-link:hover{color:var(--c-primary);text-decoration-color:var(--c-accent);}

/* ---------- 按钮 ---------- */
.btn{
  border-radius:var(--r-btn);
  font-weight:600;
  font-size:15px;
  padding:0 20px;
  height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid transparent;
  transition:transform .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
  line-height:1;
  box-shadow:none;
}
.btn-accent,.btn-primary{
  background:var(--c-accent);
  color:#0B1512;
  border-color:var(--c-accent);
}
.btn-accent:hover,.btn-primary:hover{
  background:var(--c-accent-hover);
  border-color:var(--c-accent-hover);
  color:#0B1512;
  transform:translateY(-1px);
}
.btn-accent:active,.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-outline{
  background:transparent;
  border:1.5px solid var(--c-primary);
  color:var(--c-primary);
}
.btn-outline:hover{background:rgba(14,59,44,.08);color:var(--c-primary);}
.btn-ghost{
  background:transparent;
  border:1.5px solid rgba(255,255,255,.7);
  color:#fff;
}
.btn-ghost:hover{background:#fff;color:var(--c-primary);border-color:#fff;}
.btn-sm{height:38px;font-size:14px;padding:0 16px;}
.btn-block{width:100%;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--c-primary);
  box-shadow:0 1px 0 rgba(255,255,255,.06);
}
.nav-main{padding:0;}
.nav-main-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:68px;
  transition:height .25s var(--ease);
}
.brand{
  display:flex;
  flex-direction:column;
  justify-content:center;
  line-height:1.15;
  color:#fff;
  flex:0 0 auto;
}
.brand:hover{color:#fff;}
.brand-main{font-size:20px;font-weight:700;letter-spacing:.02em;}
.brand-sub{font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.68);font-weight:500;}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1 1 auto;
}
.main-nav .nav-item{
  color:rgba(255,255,255,.82);
  font-size:15px;
  font-weight:500;
  padding:8px 14px 10px;
  border-bottom:3px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.main-nav .nav-item:hover{color:#fff;}
.main-nav .nav-item.active{color:#fff;border-bottom-color:var(--c-accent);}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
  flex:0 0 auto;
}
.nav-search{
  display:flex;
  align-items:center;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-pill);
  height:38px;
  padding:0 12px;
  gap:8px;
  transition:background-color .22s var(--ease),border-color .22s var(--ease);
}
.nav-search:focus-within{background:rgba(255,255,255,.16);border-color:rgba(217,255,87,.6);}
.nav-search i{color:rgba(255,255,255,.7);font-size:13px;}
.nav-search input{
  background:transparent;
  border:0;
  color:#fff;
  font-size:14px;
  width:120px;
  outline:none;
  transition:width .26s var(--ease);
}
.nav-search input::placeholder{color:rgba(255,255,255,.55);}
.nav-search input:focus{width:240px;}
.nav-toggle{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;height:42px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.24);
  background:transparent;
  color:#fff;
  font-size:17px;
}
.nav-toggle:hover{background:rgba(255,255,255,.12);color:#fff;}
.nav-tabs-wrap{
  background:var(--c-surface-2);
  border-top:1px solid rgba(255,255,255,.08);
}
.nav-tabs-scroll{
  display:flex;
  align-items:center;
  gap:8px;
  height:48px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.nav-tabs-scroll::-webkit-scrollbar{display:none;}
.chan-pill{
  scroll-snap-align:start;
  flex:0 0 auto;
  font-size:14px;
  font-weight:500;
  color:var(--c-ink-2);
  background:transparent;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  padding:6px 16px;
  white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.chan-pill:hover{background:rgba(14,59,44,.08);color:var(--c-primary);}
.chan-pill.active{
  background:var(--c-accent);
  color:#0B1512;
  font-weight:600;
}
.site-header.compact .nav-main-inner{height:52px;}
.site-header.compact .brand-main{font-size:18px;}
.site-header.compact .nav-tabs-scroll{height:44px;}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  background:var(--c-primary);
  color:#fff;
  width:320px;
}
.mobile-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.14);}
.mobile-drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);}
.drawer-links{display:flex;flex-direction:column;gap:2px;margin-top:8px;}
.drawer-links a{
  color:rgba(255,255,255,.9);
  font-weight:600;
  font-size:16px;
  padding:12px 4px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer-links a:hover,.drawer-links a.active{color:var(--c-accent);}
.drawer-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.drawer-tabs a{
  border:1px solid rgba(255,255,255,.25);
  border-radius:var(--r-pill);
  padding:6px 14px;
  font-size:13px;
  color:rgba(255,255,255,.85);
}
.drawer-tabs a.active{background:var(--c-accent);border-color:var(--c-accent);color:#0B1512;font-weight:600;}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;
  background:var(--c-primary);
  color:#fff;
  overflow:hidden;
}
.page-head-bg{
  position:absolute;
  inset:0;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;
  background-position:center 30%;
  opacity:.42;
}
.page-head-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(6,25,20,.95) 0%,rgba(6,25,20,.76) 50%,rgba(6,25,20,.3) 100%);
}
.page-head .container{position:relative;z-index:2;padding-top:54px;padding-bottom:56px;}
.breadcrumb-nav{font-size:13px;color:rgba(255,255,255,.62);margin-bottom:18px;}
.breadcrumb-nav ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb-nav li{display:flex;align-items:center;gap:8px;}
.breadcrumb-nav li+li::before{content:"/";color:rgba(255,255,255,.35);}
.breadcrumb-nav a{color:rgba(255,255,255,.75);}
.breadcrumb-nav a:hover{color:var(--c-accent);}
.breadcrumb-nav .current{color:#fff;}
.page-head-inner{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.page-head h1{
  color:#fff;
  font-size:40px;
  line-height:1.18;
  letter-spacing:-.01em;
  max-width:760px;
}
.page-head-desc{
  color:rgba(255,255,255,.78);
  font-size:16px;
  line-height:1.8;
  max-width:640px;
  margin:16px 0 0;
}
.head-counter{
  background:var(--c-accent);
  color:#0B1512;
  border-radius:var(--r-card);
  padding:16px 22px;
  min-width:150px;
  text-align:center;
  flex:0 0 auto;
}
.head-counter .num{
  display:block;
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:30px;
  font-weight:700;
  line-height:1.1;
}
.head-counter .lbl{font-size:12px;letter-spacing:.04em;color:#25452F;font-weight:600;}

/* ---------- 片单布局 ---------- */
.clips-layout{
  display:grid;
  grid-template-columns:240px 1fr;
  gap:32px;
  align-items:start;
}
.filter-panel{
  background:var(--c-surface-2);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:20px;
  position:sticky;
  top:130px;
}
.filter-group+.filter-group{margin-top:22px;padding-top:20px;border-top:1px solid var(--c-line);}
.filter-title{
  font-size:15px;
  font-weight:600;
  color:var(--c-ink);
  margin-bottom:12px;
}
.pill-set{display:flex;flex-wrap:wrap;gap:8px;}
.filter-pill{
  font-size:13px;
  letter-spacing:.02em;
  border-radius:var(--r-pill);
  padding:5px 13px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  color:var(--c-ink-2);
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.filter-pill:hover{background:var(--c-primary-soft);color:#fff;border-color:var(--c-primary-soft);}
.filter-pill.active{background:var(--c-primary);color:#fff;border-color:var(--c-primary);font-weight:600;}
.filter-note{
  font-size:13px;
  line-height:1.7;
  color:var(--c-ink-3);
  margin:20px 0 0;
  padding-top:18px;
  border-top:1px solid var(--c-line);
}

.clip-list{display:flex;flex-direction:column;gap:16px;}
.clip-row{
  display:flex;
  gap:20px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:16px;
  box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.clip-row:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CBD8D1;}
.clip-thumb{
  position:relative;
  flex:0 0 160px;
  height:90px;
  border-radius:var(--r-media);
  overflow:hidden;
  background:var(--c-surface-2);
}
.clip-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .26s var(--ease);}
.clip-row:hover .clip-thumb img{transform:scale(1.03);}
.clip-duration{
  position:absolute;
  right:8px;
  bottom:8px;
  background:rgba(6,25,20,.82);
  color:#fff;
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:12px;
  padding:2px 7px;
  border-radius:6px;
}
.clip-body{flex:1 1 auto;min-width:0;}
.clip-meta-top{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:8px;
}
.badge-pill{
  font-size:12px;
  letter-spacing:.04em;
  border-radius:var(--r-pill);
  padding:3px 11px;
  background:var(--c-surface-2);
  color:var(--c-ink-2);
  font-weight:500;
}
.badge-live{background:var(--c-signal);color:#fff;font-weight:600;}
.badge-new{background:var(--c-accent);color:#0B1512;font-weight:600;}
.badge-done{background:#E7E6DF;color:var(--c-ink-3);}
.clip-title{
  font-size:20px;
  font-weight:600;
  line-height:1.4;
  margin:0 0 8px;
}
.clip-title a{color:var(--c-ink);}
.clip-title a:hover{color:var(--c-primary);}
.clip-excerpt{
  font-size:14px;
  color:var(--c-ink-2);
  line-height:1.75;
  margin:0 0 10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.clip-foot{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--c-ink-3);
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
}
.clip-foot .sep{color:var(--c-line);}
.clip-foot .views{font-family:inherit;font-size:13px;color:var(--c-ink-3);}

/* ---------- 观看要点 ---------- */
.watch-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.watch-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.watch-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.watch-icon{
  width:44px;height:44px;
  border-radius:12px;
  background:rgba(14,59,44,.08);
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;
  margin-bottom:16px;
}
.watch-card h3{font-size:20px;font-weight:600;margin-bottom:10px;}
.watch-card p{font-size:14px;color:var(--c-ink-2);line-height:1.8;margin:0;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.accordion-item{
  background:var(--c-surface);
  border:0;
  border-bottom:1px solid var(--c-line);
}
.faq-wrap .accordion{
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--c-surface);
  box-shadow:var(--sh-1);
}
.faq-wrap .accordion-item:last-child{border-bottom:0;}
.accordion-button{
  background:var(--c-surface);
  color:var(--c-ink);
  font-size:17px;
  font-weight:600;
  padding:20px 56px 20px 22px;
  border:0;
  box-shadow:none;
  position:relative;
  line-height:1.6;
}
.accordion-button:not(.collapsed){
  background:var(--c-surface);
  color:var(--c-primary);
  box-shadow:none;
}
.accordion-button:not(.collapsed)::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  background:var(--c-accent);
  border-radius:0 3px 3px 0;
}
.accordion-button::after{
  content:"+";
  background-image:none;
  font-size:20px;
  font-weight:400;
  color:var(--c-primary);
  width:auto;height:auto;
  line-height:1;
  transform:none;
  position:absolute;
  right:22px;
  top:50%;
  margin-top:-11px;
  transition:transform .24s var(--ease),color .24s var(--ease);
}
.accordion-button:not(.collapsed)::after{
  content:"−";
  transform:none;
  color:var(--c-primary-soft);
}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--c-accent);outline-offset:-2px;}
.accordion-body{
  padding:0 22px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-ink-2);
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--c-primary-deep);
  color:#fff;
  border-radius:var(--r-hero);
  padding:48px 44px;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(217,255,87,.16),transparent 68%);
}
.cta-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:36px;
  align-items:center;
}
.cta-band h2{color:#fff;font-size:30px;line-height:1.3;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.76);font-size:15px;line-height:1.85;margin:0;}
.cta-pills{display:flex;flex-wrap:wrap;gap:12px;}
.cta-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  border:1.5px solid rgba(255,255,255,.32);
  border-radius:var(--r-pill);
  padding:11px 22px;
  color:#fff;
  font-size:14px;
  font-weight:500;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.cta-pill:hover{background:var(--c-accent);border-color:var(--c-accent);color:#0B1512;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-primary-deep);
  color:rgba(255,255,255,.72);
  margin-top:72px;
}
.footer-top{border-top:1px solid rgba(255,255,255,.12);padding-top:56px;padding-bottom:44px;}
.footer-brand{display:flex;flex-direction:column;line-height:1.15;margin-bottom:16px;}
.fb-main{font-size:20px;font-weight:700;color:#fff;letter-spacing:.02em;}
.fb-sub{font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.6);font-weight:500;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin:0;max-width:360px;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-links a:hover{color:var(--c-accent);}
.footer-address{font-style:normal;display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.62);line-height:1.7;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;}
.footer-bottom-inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.footer-bottom-inner p{font-size:13px;color:rgba(255,255,255,.5);margin:0;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .filter-panel{top:110px;}
}
@media (max-width:991.98px){
  .page-head h1{font-size:32px;}
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
  .clips-layout{grid-template-columns:1fr;gap:20px;}
  .filter-panel{
    position:static;
    display:flex;
    gap:20px;
    overflow-x:auto;
    scrollbar-width:none;
    padding:16px;
    scroll-snap-type:x proximity;
  }
  .filter-panel::-webkit-scrollbar{display:none;}
  .filter-group{flex:0 0 auto;scroll-snap-align:start;min-width:210px;}
  .filter-group+.filter-group{margin-top:0;padding-top:0;border-top:0;padding-left:20px;border-left:1px solid var(--c-line);}
  .filter-note{display:none;}
  .watch-grid{grid-template-columns:1fr 1fr;}
  .cta-inner{grid-template-columns:1fr;gap:24px;}
  .clip-thumb{flex:0 0 140px;height:80px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container{padding-left:16px;padding-right:16px;}
  .page-head .container{padding-top:36px;padding-bottom:40px;}
  .page-head h1{font-size:28px;}
  .page-head-desc{font-size:15px;}
  .head-counter{padding:12px 18px;min-width:120px;}
  .head-counter .num{font-size:24px;}
  .section{padding:40px 0;}
  .section--tight{padding:36px 0;}
  .section-head h2{font-size:24px;}
  .clip-row{flex-direction:column;gap:14px;padding:14px;}
  .clip-thumb{flex:none;width:100%;height:190px;}
  .clip-title{font-size:18px;}
  .watch-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;border-radius:16px;}
  .cta-band h2{font-size:24px;}
  .btn-block-mobile{width:100%;}
  .site-footer{margin-top:48px;}
  .footer-top{padding-top:40px;padding-bottom:32px;}
}
@media (max-width:520px){
  .clip-thumb{height:170px;}
  .head-counter{width:100%;text-align:left;}
  .head-counter .num{font-size:22px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .clip-row:hover,.watch-card:hover,.btn:hover{transform:none !important;}
  .clip-row:hover .clip-thumb img{transform:none !important;}
}

/* roulang page: category3 */
:root{
  --c-primary:#0E3B2C;
  --c-primary-deep:#061914;
  --c-primary-soft:#1C6B4F;
  --c-accent:#D9FF57;
  --c-accent-hover:#C2EC3A;
  --c-signal:#FF6A3D;
  --c-bg:#F6F5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEEE8;
  --c-ink:#12181A;
  --c-ink-2:#4A5250;
  --c-ink-3:#8A928F;
  --c-line:#E3E2DA;
  --r-card:16px;
  --r-media:12px;
  --r-btn:10px;
  --r-pill:999px;
  --r-hero:20px;
  --shadow-1:0 1px 2px rgba(10,20,16,.06),0 8px 24px -12px rgba(10,20,16,.18);
  --shadow-2:0 14px 32px -14px rgba(10,20,16,.26);
  --ease:cubic-bezier(.2,.7,.2,1);
  --mono:ui-monospace,"DIN Alternate","SFMono-Regular",Menlo,Consolas,monospace;
  --bs-primary:#0E3B2C;
  --bs-body-font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-body-color:#12181A;
  --bs-border-color:#E3E2DA;
  --bs-link-color:#0E3B2C;
  --bs-link-hover-color:#1C6B4F;
  --bs-border-radius:16px;
  --bs-border-radius-sm:10px;
  --bs-border-radius-lg:20px;
  --bs-body-bg:#F6F5F0;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none}
a:hover{color:var(--c-primary-soft)}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{max-width:1280px;padding-left:20px;padding-right:20px;margin:0 auto}
@media (min-width:1200px){.container{max-width:1280px}}
@media (min-width:1400px){.container{max-width:1320px}}
@media (max-width:767px){.container{padding-left:16px;padding-right:16px}}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ============ 按钮体系 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1.5px solid transparent;transition:all .24s var(--ease);cursor:pointer;text-decoration:none;line-height:1}
.btn-accent{background:var(--c-accent);color:#0B1512;border-color:var(--c-accent)}
.btn-accent:hover{background:var(--c-accent-hover);color:#0B1512;transform:translateY(-1px)}
.btn-accent:active{transform:translateY(1px);box-shadow:none}
.btn-outline-green{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-outline-green:hover{background:rgba(14,59,44,.08);color:var(--c-primary)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn-ghost:hover{background:#fff;color:var(--c-primary);border-color:#fff}
.btn-nav{height:38px;padding:0 16px;font-size:14px}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;box-shadow:0 1px 0 rgba(0,0,0,.05)}
.nav-bar{background:var(--c-primary);transition:all .24s var(--ease)}
.nav-bar-inner{display:flex;align-items:center;gap:28px;height:68px;transition:height .24s var(--ease)}
.brand{display:flex;flex-direction:column;line-height:1.1;text-decoration:none;flex-shrink:0}
.brand-main{color:#fff;font-size:20px;font-weight:700;letter-spacing:.02em}
.brand-sub{color:rgba(246,245,240,.68);font-size:12px;letter-spacing:.08em;font-weight:500}
.main-nav{display:flex;align-items:center;gap:26px;flex:1}
.main-nav .nav-item{position:relative;color:rgba(246,245,240,.82);font-size:15px;font-weight:500;padding:22px 2px;text-decoration:none;transition:color .2s var(--ease)}
.main-nav .nav-item::after{content:"";position:absolute;left:50%;bottom:14px;width:20px;height:3px;border-radius:2px;background:var(--c-accent);transform:translateX(-50%) scaleX(0);transition:transform .24s var(--ease)}
.main-nav .nav-item:hover{color:#fff}
.main-nav .nav-item:hover::after,.main-nav .nav-item.active::after{transform:translateX(-50%) scaleX(1)}
.main-nav .nav-item.active{color:#fff}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-form{display:flex;align-items:center;gap:8px;width:158px;height:38px;padding:0 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);transition:width .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease)}
.search-form:focus-within{width:240px;background:rgba(255,255,255,.14);border-color:rgba(217,255,87,.6)}
.search-form i{color:rgba(246,245,240,.7);font-size:13px}
.search-form input{flex:1;min-width:0;background:transparent;border:0;outline:none;color:#F1F5F2;font-size:14px}
.search-form input::placeholder{color:rgba(241,245,242,.5)}
.nav-burger{width:40px;height:40px;border-radius:var(--r-btn);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px}

/* 频道条 */
.channel-bar{background:var(--c-surface-2);border-bottom:1px solid var(--c-line)}
.channel-inner{position:relative}
.channel-track{display:flex;align-items:center;gap:10px;height:48px;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none}
.channel-track::-webkit-scrollbar{display:none}
.channel-pill{flex:0 0 auto;scroll-snap-align:start;display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:var(--r-pill);font-size:14px;font-weight:500;color:var(--c-ink-2);background:transparent;text-decoration:none;transition:all .2s var(--ease);white-space:nowrap}
.channel-pill:hover{background:rgba(14,59,44,.08);color:var(--c-primary)}
.channel-pill.active{background:var(--c-accent);color:#0B1512;font-weight:600}
.channel-fade{position:absolute;top:0;bottom:0;width:24px;pointer-events:none}
.channel-fade.left{left:-20px;background:linear-gradient(90deg,var(--c-surface-2),transparent)}
.channel-fade.right{right:-20px;background:linear-gradient(270deg,var(--c-surface-2),transparent)}

/* 紧凑态 */
.site-header.is-compact .nav-bar-inner{height:52px}
.site-header.is-compact .brand-main{font-size:18px}
.site-header.is-compact .main-nav .nav-item{padding:14px 2px}
.site-header.is-compact .main-nav .nav-item::after{bottom:8px}
.site-header.is-compact .channel-track{height:44px}

/* 移动端 offcanvas */
.mobile-nav{background:var(--c-primary);color:#F6F5F0;width:306px}
.mobile-nav .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:18px 22px}
.mobile-nav .brand-main{color:#fff}
.mobile-nav .offcanvas-body{padding:16px 22px 32px}
.mobile-links{display:flex;flex-direction:column}
.mobile-links a{color:rgba(246,245,240,.88);font-size:16px;font-weight:600;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.09);text-decoration:none}
.mobile-links a:hover,.mobile-links a.active{color:var(--c-accent)}
.mobile-tabs-title{font-size:13px;letter-spacing:.08em;color:rgba(246,245,240,.5);margin:22px 0 12px}
.mobile-tabs{display:flex;flex-wrap:wrap;gap:8px}
.mobile-tabs a{font-size:13px;color:rgba(246,245,240,.85);border:1px solid rgba(255,255,255,.22);border-radius:var(--r-pill);padding:5px 14px;text-decoration:none}
.mobile-tabs a:hover{color:var(--c-accent);border-color:rgba(217,255,87,.6)}

/* ============ 页头 ============ */
.page-head{position:relative;background:var(--c-primary);overflow:hidden;padding:44px 0 48px;color:#F6F5F0}
.page-head-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.24}
.page-head::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(6,25,20,.94) 0%,rgba(14,59,44,.72) 52%,rgba(14,59,44,.28) 100%)}
.page-head .container{position:relative;z-index:2}
.breadcrumb-nav{font-size:13px;color:rgba(246,245,240,.6);margin-bottom:18px}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb-list li{display:flex;align-items:center;gap:8px}
.breadcrumb-list li:not(:last-child)::after{content:"/";color:rgba(246,245,240,.35)}
.breadcrumb-list a{color:rgba(246,245,240,.75);text-decoration:none}
.breadcrumb-list a:hover{color:var(--c-accent)}
.breadcrumb-list .current{color:#F6F5F0}
.page-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap}
.page-head-main{max-width:760px}
.page-head h1{color:#fff;font-size:40px;line-height:1.18;font-weight:700;letter-spacing:-.01em}
.page-head-sub{margin-top:14px;font-size:16px;color:rgba(246,245,240,.76);max-width:640px;line-height:1.75}
.count-block{flex:0 0 auto;background:var(--c-accent);color:#0B1512;border-radius:var(--r-card);padding:16px 22px;min-width:172px}
.count-block .num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:34px;font-weight:700;line-height:1.1;display:block}
.count-block .label{font-size:12px;letter-spacing:.04em;margin-top:6px;display:block;color:rgba(11,21,18,.72)}
@media (max-width:991px){
  .page-head h1{font-size:32px}
  .page-head{padding:34px 0 38px}
}
@media (max-width:575px){
  .page-head h1{font-size:28px}
  .page-head-sub{font-size:15px}
  .count-block{width:100%;min-width:0}
}

/* ============ 通用板块 ============ */
.section{padding:64px 0}
.section-tight{padding:52px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap}
.section-title{position:relative;font-size:30px;font-weight:700;line-height:1.25;padding-left:16px}
.section-title::before{content:"";position:absolute;left:0;top:8px;width:4px;height:22px;border-radius:2px;background:var(--c-accent)}
.section-note{font-size:14px;color:var(--c-ink-2)}
.text-link{font-size:15px;font-weight:600;color:var(--c-primary);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;text-decoration-color:var(--c-primary)}
.text-link:hover{text-decoration-color:var(--c-accent);color:var(--c-primary)}

/* ============ 榜单 ============ */
.rank-panel{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden}
.rank-list{display:flex;flex-direction:column}
.rank-item{border-bottom:1px solid var(--c-line);transition:background .22s var(--ease)}
.rank-item:last-child{border-bottom:0}
.rank-item:hover{background:rgba(14,59,44,.045)}
.rank-link{display:flex;align-items:center;gap:20px;padding:18px 24px;text-decoration:none;color:inherit}
.rank-no{flex:0 0 54px;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:28px;font-weight:700;color:var(--c-accent);-webkit-text-stroke:.4px rgba(11,21,18,.45);line-height:1}
.rank-item:nth-child(n+4) .rank-no{color:#B9C9A8}
.rank-thumb{flex:0 0 80px;width:80px;height:80px;border-radius:var(--r-media);object-fit:cover;background:var(--c-surface-2);transition:transform .26s var(--ease)}
.rank-item:hover .rank-thumb{transform:scale(1.03)}
.rank-body{flex:1;min-width:0}
.rank-title{font-size:19px;font-weight:600;line-height:1.45;color:var(--c-ink)}
.rank-item:hover .rank-title{color:var(--c-primary)}
.rank-desc{margin-top:6px;font-size:14px;color:var(--c-ink-2);line-height:1.7}
.rank-meta{flex:0 0 auto;display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.rank-time{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:13px;color:var(--c-ink-3);white-space:nowrap}
.tag-pill{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);background:var(--c-surface-2);color:var(--c-ink-2);font-size:12px;letter-spacing:.04em;white-space:nowrap}
.rank-item:hover .tag-pill{background:var(--c-primary-soft);color:#fff}
@media (max-width:991px){
  .rank-link{gap:14px;padding:16px 18px}
  .rank-no{flex-basis:44px;font-size:24px}
  .rank-thumb{flex-basis:68px;width:68px;height:68px}
  .rank-title{font-size:17px}
}
@media (max-width:575px){
  .rank-link{flex-wrap:wrap;gap:12px;padding:16px}
  .rank-body{flex:1 1 calc(100% - 118px)}
  .rank-no{flex-basis:36px;font-size:22px}
  .rank-thumb{flex-basis:60px;width:60px;height:60px}
  .rank-meta{flex-direction:row;align-items:center;width:100%;justify-content:space-between;padding-left:36px}
}

/* ============ 数据带 ============ */
.stat-band{background:var(--c-primary);color:#F6F5F0;border-radius:var(--r-hero);padding:38px 34px;position:relative;overflow:hidden}
.stat-band::before{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:rgba(217,255,87,.08)}
.stat-grid{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.stat-cell{border-left:1px solid rgba(255,255,255,.16);padding-left:22px}
.stat-cell:first-child{border-left:0;padding-left:0}
.stat-num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:40px;font-weight:700;color:var(--c-accent);line-height:1.1}
.stat-num small{font-size:16px;font-weight:600;margin-left:4px;color:rgba(217,255,87,.75)}
.stat-label{margin-top:8px;font-size:15px;font-weight:600;color:#F6F5F0}
.stat-text{margin-top:6px;font-size:14px;color:rgba(246,245,240,.66);line-height:1.7}
@media (max-width:767px){
  .stat-band{padding:28px 22px;border-radius:var(--r-card)}
  .stat-grid{grid-template-columns:1fr;gap:20px}
  .stat-cell{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.14);padding-top:18px}
  .stat-cell:first-child{border-top:0;padding-top:0}
  .stat-num{font-size:32px}
}

/* ============ 解读要点 ============ */
.read-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--c-line)}
.read-col{padding:28px 28px 8px 0;border-right:1px solid var(--c-line)}
.read-col:last-child{border-right:0}
.read-col h3{font-size:20px;font-weight:600;line-height:1.4;margin-bottom:12px;padding-left:12px;position:relative}
.read-col h3::before{content:"";position:absolute;left:0;top:6px;width:3px;height:16px;border-radius:2px;background:var(--c-accent)}
.read-col p{font-size:15px;color:var(--c-ink-2);line-height:1.85}
.read-col .read-meta{margin-top:14px;font-family:var(--mono);font-size:13px;color:var(--c-ink-3)}
@media (max-width:991px){
  .read-grid{grid-template-columns:1fr}
  .read-col{border-right:0;border-bottom:1px solid var(--c-line);padding:24px 0}
  .read-col:last-child{border-bottom:0}
}

/* ============ FAQ ============ */
.faq-wrap{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1)}
.faq-wrap .accordion-item{border:0;border-bottom:1px solid var(--c-line);background:transparent}
.faq-wrap .accordion-item:last-child{border-bottom:0}
.faq-wrap .accordion-button{position:relative;background:transparent;box-shadow:none;font-size:17px;font-weight:600;color:var(--c-ink);padding:22px 60px 22px 24px;line-height:1.6;transition:color .22s var(--ease),box-shadow .22s var(--ease)}
.faq-wrap .accordion-button:not(.collapsed){color:var(--c-primary);box-shadow:inset 3px 0 0 var(--c-accent)}
.faq-wrap .accordion-button::after{content:"";position:absolute;right:26px;top:50%;width:16px;height:2px;background:var(--c-primary);transform:translateY(-50%);transition:transform .24s var(--ease)}
.faq-wrap .accordion-button::before{content:"";position:absolute;right:33px;top:50%;width:2px;height:16px;background:var(--c-primary);transform:translateY(-50%);transition:transform .24s var(--ease),opacity .24s var(--ease)}
.faq-wrap .accordion-button:not(.collapsed)::before{opacity:0;transform:translateY(-50%) rotate(90deg)}
.faq-wrap .accordion-button:focus{box-shadow:inset 3px 0 0 var(--c-accent)}
.faq-wrap .accordion-body{padding:0 60px 24px 24px;font-size:15px;color:var(--c-ink-2);line-height:1.85}
@media (max-width:575px){
  .faq-wrap .accordion-button{padding:18px 52px 18px 18px;font-size:16px}
  .faq-wrap .accordion-button::after{right:20px}
  .faq-wrap .accordion-button::before{right:27px}
  .faq-wrap .accordion-body{padding:0 20px 20px 18px}
}

/* ============ CTA ============ */
.cta-band{background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:var(--r-hero);padding:42px 38px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{font-size:26px;font-weight:700;line-height:1.3}
.cta-band p{margin-top:10px;font-size:15px;color:var(--c-ink-2);max-width:520px}
.cta-pills{display:flex;gap:12px;flex-wrap:wrap}
.cta-pill{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-pill);background:var(--c-surface);border:1.5px solid var(--c-line);color:var(--c-primary);font-size:15px;font-weight:600;text-decoration:none;transition:all .24s var(--ease)}
.cta-pill:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;transform:translateY(-2px)}
.cta-pill i{font-size:13px;opacity:.7}
@media (max-width:767px){
  .cta-band{padding:28px 22px;border-radius:var(--r-card)}
  .cta-band h2{font-size:22px}
  .cta-pill{flex:1 1 100%;justify-content:center}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary-deep);color:rgba(246,245,240,.72);margin-top:72px}
.footer-top{padding:56px 0 40px;border-top:1px solid rgba(255,255,255,.12)}
.footer-brand{display:flex;flex-direction:column;line-height:1.15;margin-bottom:16px}
.fb-main{color:#fff;font-size:20px;font-weight:700}
.fb-sub{color:rgba(246,245,240,.6);font-size:12px;letter-spacing:.08em}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(246,245,240,.6);max-width:380px}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(246,245,240,.68);font-size:14px;text-decoration:none;transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--c-accent)}
.footer-address{display:flex;flex-direction:column;gap:10px;font-style:normal;font-size:14px;color:rgba(246,245,240,.68)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12)}
.footer-bottom-inner{display:flex;justify-content:space-between;gap:16px;padding:18px 0;flex-wrap:wrap;font-size:13px;color:rgba(246,245,240,.5)}
.footer-bottom-inner p{margin:0}
@media (max-width:767px){
  .footer-top{padding:40px 0 28px}
  .site-footer{margin-top:48px}
}

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

/* roulang page: category4 */
:root{
  --c-primary:#0E3B2C;
  --c-primary-deep:#061914;
  --c-primary-soft:#1C6B4F;
  --c-accent:#D9FF57;
  --c-accent-hover:#C2EC3A;
  --c-signal:#FF6A3D;
  --c-bg:#F6F5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEEE8;
  --c-ink:#12181A;
  --c-ink-2:#4A5250;
  --c-ink-3:#8A928F;
  --c-line:#E3E2DA;
  --r-card:16px;
  --r-media:12px;
  --r-btn:10px;
  --r-pill:999px;
  --r-hero:20px;
  --sh-1:0 1px 2px rgba(10,20,16,.06), 0 8px 24px -12px rgba(10,20,16,.18);
  --sh-2:0 14px 32px -14px rgba(10,20,16,.26);
  --ease:cubic-bezier(.2,.7,.2,1);
  --mono:ui-monospace,"DIN Alternate","SFMono-Regular",Menlo,Consolas,monospace;

  --bs-primary:#0E3B2C;
  --bs-primary-rgb:14,59,44;
  --bs-body-font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-body-color:#12181A;
  --bs-body-bg:#F6F5F0;
  --bs-border-color:#E3E2DA;
  --bs-link-color:#0E3B2C;
  --bs-link-hover-color:#1C6B4F;
  --bs-border-radius:16px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;}
a:hover{color:var(--c-primary-soft);}
button,input{font-family:inherit;}
ul,ol{padding-left:1.2em;}
h1,h2,h3,h4{color:var(--c-ink);margin:0;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--c-accent);
  outline-offset:2px;
  border-radius:6px;
}
.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1400px){
  .container{max-width:1320px;}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px;}
}
section[id]{scroll-margin-top:110px;}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;}
.nav-top{background:var(--c-primary);color:#F2F5F0;}
.nav-top-inner{
  display:flex;align-items:center;gap:22px;
  height:68px;
  transition:height .24s var(--ease);
}
.is-compact .nav-top-inner{height:52px;}
.brand{display:flex;flex-direction:column;line-height:1.06;text-decoration:none;flex:0 0 auto;}
.brand .fb-main{font-size:20px;font-weight:700;letter-spacing:.02em;color:#fff;}
.brand .fb-sub{font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.7);}
.main-nav{display:flex;align-items:stretch;gap:4px;align-self:stretch;flex:1 1 auto;}
.nav-item{
  position:relative;display:flex;align-items:center;
  padding:0 12px;font-size:15px;font-weight:500;
  color:rgba(255,255,255,.82);text-decoration:none;
  border-radius:8px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-item.active{color:#fff;font-weight:600;}
.nav-item.active::after{
  content:"";position:absolute;left:10px;right:10px;bottom:0;height:3px;
  background:var(--c-accent);border-radius:2px 2px 0 0;
}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:6px;
  height:38px;width:176px;padding:0 5px 0 14px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-pill);
  transition:width .26s var(--ease),background .2s var(--ease);
}
.search-box:focus-within{width:240px;background:rgba(255,255,255,.2);}
.search-box input{
  flex:1 1 auto;min-width:0;height:100%;
  background:none;border:0;outline:none;
  color:#fff;font-size:14px;
}
.search-box input::placeholder{color:rgba(255,255,255,.6);}
.search-box button{
  flex:0 0 auto;width:28px;height:28px;border:0;border-radius:50%;
  background:var(--c-accent);color:#0B1512;
  display:grid;place-items:center;cursor:pointer;
  transition:background .2s var(--ease);
}
.search-box button:hover{background:var(--c-accent-hover);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:40px;padding:0 18px;
  background:var(--c-accent);color:#0B1512;
  font-size:15px;font-weight:600;
  border:0;border-radius:var(--r-btn);
  text-decoration:none;white-space:nowrap;cursor:pointer;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.btn-accent:hover{background:var(--c-accent-hover);color:#0B1512;transform:translateY(-1px);}
.btn-accent:active{transform:translateY(1px);box-shadow:none;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:18px;line-height:1;cursor:pointer;
}
@media (max-width:991.98px){
  .nav-toggle{display:grid;place-items:center;}
  .search-box{width:44px;padding:0;justify-content:center;background:transparent;border-color:transparent;}
  .search-box input{display:none;}
  .search-box button{width:36px;height:36px;}
  .search-box:focus-within{width:44px;background:transparent;}
}
@media (max-width:575.98px){
  .nav-top-inner{gap:12px;}
  .btn-accent{padding:0 12px;font-size:14px;}
  .brand .fb-main{font-size:18px;}
}

/* 第二行频道 Tabs */
.nav-tabs-row{background:var(--c-surface-2);border-bottom:1px solid var(--c-line);}
.tabs-scroll{
  display:flex;align-items:center;gap:8px;
  height:48px;
  overflow-x:auto;
  scrollbar-width:none;
  scroll-snap-type:x proximity;
}
.tabs-scroll::-webkit-scrollbar{display:none;}
.pill{
  flex:0 0 auto;scroll-snap-align:start;
  padding:6px 16px;border-radius:var(--r-pill);
  font-size:14px;color:var(--c-ink-2);white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.pill:hover{background:rgba(14,59,44,.08);color:var(--c-primary);}
.pill.active{background:var(--c-accent);color:#0B1512;font-weight:600;}
.is-compact .nav-tabs-row .tabs-scroll{height:44px;}

/* 移动端抽屉 */
.mobile-nav{background:var(--c-primary);color:#EAF2EC;}
.mobile-nav .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);}
.mobile-nav .offcanvas-header .brand .fb-main{color:#fff;}
.mobile-nav .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.8;}
.mobile-nav .offcanvas-body{padding:20px;}
.m-link{
  display:block;padding:14px 4px;font-size:17px;font-weight:600;
  color:rgba(255,255,255,.88);text-decoration:none;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.m-link.active{color:var(--c-accent);}
.m-sub{font-size:12px;letter-spacing:.1em;color:rgba(255,255,255,.5);margin:24px 0 10px;}
.m-pills{display:flex;flex-wrap:wrap;gap:8px;}
.m-pills a{
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);color:rgba(255,255,255,.85);font-size:13px;
}

/* ---------- 分类页头 ---------- */
.cat-head{
  position:relative;
  background-image:
    linear-gradient(90deg,rgba(6,25,20,.94) 0%,rgba(14,59,44,.80) 52%,rgba(14,59,44,.34) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:44px 0 52px;
}
.cat-head-inner{
  display:flex;justify-content:space-between;align-items:flex-end;gap:40px;
}
.crumb{
  display:flex;flex-wrap:wrap;gap:0;
  list-style:none;margin:0;padding:0;
  font-size:13px;color:rgba(255,255,255,.66);
}
.crumb li{display:flex;align-items:center;}
.crumb li::after{content:"/";margin:0 8px;color:rgba(255,255,255,.36);}
.crumb li:last-child::after{content:"";margin:0;}
.crumb a{color:rgba(255,255,255,.66);text-decoration:none;}
.crumb a:hover{color:var(--c-accent);}
.crumb li[aria-current="page"]{color:#fff;}
.cat-head h1{
  margin:16px 0 12px;
  font-size:40px;line-height:1.18;font-weight:700;letter-spacing:-.01em;
  color:#fff;max-width:780px;
}
.cat-head .lead{
  margin:0;max-width:640px;
  font-size:16px;line-height:1.8;color:rgba(255,255,255,.82);
}
.count-block{
  flex:0 0 auto;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-card);
  padding:16px 24px;text-align:right;backdrop-filter:none;
}
.count-block .num{
  display:block;font-family:var(--mono);
  font-size:34px;font-weight:700;line-height:1;
  color:var(--c-accent);font-variant-numeric:tabular-nums;
}
.count-block .lbl{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.68);}
@media (max-width:991.98px){
  .cat-head{padding:32px 0 40px;}
  .cat-head-inner{flex-direction:column;align-items:flex-start;gap:24px;}
  .cat-head h1{font-size:32px;}
  .count-block{text-align:left;}
}
@media (max-width:575.98px){
  .cat-head h1{font-size:28px;}
  .cat-head .lead{font-size:15px;}
}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0;}
.section-tight{padding:48px 0;}
.section-head{
  display:flex;justify-content:space-between;align-items:flex-end;gap:24px;
  padding-bottom:16px;margin-bottom:32px;
  border-bottom:1px solid var(--c-line);
}
.section-head h2{
  position:relative;padding-left:16px;
  font-size:30px;font-weight:700;line-height:1.25;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:7px;
  width:4px;height:22px;border-radius:2px;background:var(--c-accent);
}
.section-sub{font-size:14px;color:var(--c-ink-2);margin:8px 0 0 16px;}
.text-link{
  font-size:15px;font-weight:600;color:var(--c-primary);
  text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;
  white-space:nowrap;
}
.text-link:hover{text-decoration-color:var(--c-accent);color:var(--c-primary);}
@media (max-width:767.98px){
  .section{padding:40px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .section-head h2{font-size:24px;}
}

/* ---------- 图集网格 ---------- */
.gallery-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
.g-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.g-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.g-media{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-2);}
.g-media img{width:100%;height:100%;object-fit:cover;transition:transform .28s var(--ease);}
.g-card:hover .g-media img{transform:scale(1.03);}
.g-tag{
  position:absolute;left:14px;top:14px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--c-surface-2);color:var(--c-ink-2);
  font-size:12px;letter-spacing:.04em;
}
.g-body{padding:20px;}
.g-title{font-size:20px;font-weight:600;line-height:1.4;margin:0 0 10px;}
.g-title a{color:var(--c-ink);text-decoration:none;}
.g-title a:hover{color:var(--c-primary);}
.g-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--c-ink-3);
  font-family:var(--mono);font-variant-numeric:tabular-nums;
}
.g-meta .sep{width:3px;height:3px;border-radius:50%;background:var(--c-ink-3);display:inline-block;}
@media (max-width:767.98px){
  .gallery-grid{grid-template-columns:1fr;gap:24px;}
  .g-title{font-size:18px;}
}

/* ---------- 说明条目 ---------- */
.info-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.info-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:border-color .2s var(--ease),transform .24s var(--ease);
}
.info-item:hover{border-color:var(--c-primary-soft);transform:translateY(-2px);}
.info-num{
  display:inline-block;margin-bottom:12px;
  font-family:var(--mono);font-size:13px;font-weight:700;
  letter-spacing:.08em;color:var(--c-primary-soft);
}
.info-item h3{font-size:18px;font-weight:600;line-height:1.4;margin:0 0 10px;}
.info-item p{margin:0;font-size:15px;line-height:1.85;color:var(--c-ink-2);}
@media (max-width:991.98px){.info-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:575.98px){.info-grid{grid-template-columns:1fr;}}

/* ---------- 数据条 ---------- */
.stat-bar{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
}
.stat-item{padding:26px 28px;border-right:1px solid var(--c-line);}
.stat-item:last-child{border-right:0;}
.stat-item .v{
  display:block;font-family:var(--mono);
  font-size:32px;font-weight:700;line-height:1.1;
  color:var(--c-primary);font-variant-numeric:tabular-nums;
}
.stat-item .k{display:block;margin-top:8px;font-size:14px;color:var(--c-ink-2);}
@media (max-width:767.98px){
  .stat-bar{grid-template-columns:1fr;}
  .stat-item{border-right:0;border-bottom:1px solid var(--c-line);}
  .stat-item:last-child{border-bottom:0;}
}

/* ---------- FAQ ---------- */
.faq-wrap{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
}
.accordion-item{border:0;border-bottom:1px solid var(--c-line);background:transparent;}
.accordion-item:last-child{border-bottom:0;}
.accordion-button{
  width:100%;position:relative;
  padding:22px 60px 22px 24px;
  background:transparent;border:0;
  font-size:17px;font-weight:600;color:var(--c-ink);
  text-align:left;cursor:pointer;
  box-shadow:none;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.accordion-button:not(.collapsed){
  color:var(--c-primary);
  background:rgba(14,59,44,.04);
  box-shadow:inset 3px 0 0 var(--c-accent);
}
.accordion-button::after{display:none !important;}
.accordion-button .fx{
  position:absolute;right:24px;top:50%;
  width:14px;height:2px;background:var(--c-primary);border-radius:2px;
  transform:translateY(-50%);
}
.accordion-button .fx::after{
  content:"";position:absolute;left:0;top:0;
  width:14px;height:2px;background:var(--c-primary);border-radius:2px;
  transform:rotate(90deg);transition:transform .24s var(--ease);
}
.accordion-button:not(.collapsed) .fx::after{transform:rotate(0deg);}
.accordion-body{
  padding:0 24px 24px 24px;
  font-size:16px;line-height:1.9;color:var(--c-ink-2);
}
.accordion-collapse{transition:height .24s var(--ease);}

/* ---------- 其它频道 CTA ---------- */
.more-channels{
  display:flex;justify-content:space-between;align-items:center;gap:28px;
  padding:36px 40px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-hero);
  box-shadow:var(--sh-1);
}
.more-channels h2{font-size:24px;font-weight:700;margin:0 0 8px;}
.more-channels p{margin:0;font-size:15px;color:var(--c-ink-2);}
.channel-pills{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}
.channel-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:var(--r-pill);
  border:1.5px solid var(--c-primary);color:var(--c-primary);
  font-size:15px;font-weight:600;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.channel-pill:hover{background:var(--c-primary);color:#fff;}
@media (max-width:991.98px){
  .more-channels{flex-direction:column;align-items:flex-start;padding:28px 24px;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-primary-deep);
  color:rgba(255,255,255,.72);
  padding-top:56px;
  border-top:1px solid rgba(255,255,255,.12);
}
.footer-top{padding-bottom:8px;}
.footer-brand{display:flex;flex-direction:column;line-height:1.1;margin-bottom:16px;}
.footer-brand .fb-main{font-size:22px;font-weight:700;color:#fff;}
.footer-brand .fb-sub{font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.6);}
.footer-desc{margin:0;font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin:0 0 14px;}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7);text-decoration:none;}
.footer-links a:hover{color:var(--c-accent);}
.footer-address{font-style:normal;display:flex;flex-direction:column;gap:8px;font-size:14px;color:rgba(255,255,255,.7);line-height:1.8;}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;}
.footer-bottom-inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.footer-bottom-inner p{margin:0;font-size:13px;color:rgba(255,255,255,.55);}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .g-card:hover{transform:none;}
  .g-card:hover .g-media img{transform:none;}
  html{scroll-behavior:auto;}
}