/* roulang page: index */
:root{
  --c-ink:#121311;
  --c-brand:#FF4D1C;
  --c-brand-600:#E03A0C;
  --c-brand-050:#FFEDE6;
  --c-accent:#16554A;
  --c-accent-050:#E4EFEC;
  --c-bg:#F6F3EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#EDE8E0;
  --c-line:#DED8CD;
  --c-text:#121311;
  --c-text-2:#5B5F5A;
  --c-text-3:#8A8D86;
  --c-danger:#D93025;
  --c-warm:#F6F3EE;
  --c-warm-2:rgba(246,243,238,.66);
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,19,17,.06);
  --sh-2:0 8px 24px -12px rgba(18,19,17,.24);
  --sh-hover:0 18px 40px -18px rgba(18,19,17,.35);
  --t:.24s ease-out;
  --t-slow:.4s cubic-bezier(.2,.7,.2,1);
  --container:1280px;
  --pad:40px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t)}
img{max-width:100%;display:block;border:0}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;font-weight:inherit}
ul,ol{list-style:none}
button{font-family:inherit}
input{font-family:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid rgba(255,77,28,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--pad)}
.section{padding:96px 0}
.section--tight{padding:76px 0}
.eyebrow{display:block;font-size:12px;font-weight:500;letter-spacing:.14em;color:var(--c-brand);margin-bottom:10px}
h1{font-size:clamp(34px,4.6vw,58px);font-weight:800;line-height:1.1;letter-spacing:-.02em}
h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
h3{font-size:19px;font-weight:600;line-height:1.4}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head p{font-size:14px;color:var(--c-text-2);margin-top:8px;max-width:560px}
.head-actions{display:flex;align-items:center;gap:12px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;line-height:1;padding:14px 28px;border-radius:var(--r-pill);border:1px solid transparent;cursor:pointer;transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);white-space:nowrap}
.btn-primary{background:var(--c-brand);color:#FFF6F2;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-brand-600);color:#FFF6F2;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:transparent;color:var(--c-ink);border-color:var(--c-line)}
.btn-ghost:hover{background:var(--c-surface-2);border-color:var(--c-ink);color:var(--c-ink)}
.btn-ghost-dark{background:transparent;color:var(--c-warm);border-color:rgba(246,243,238,.28)}
.btn-ghost-dark:hover{background:rgba(246,243,238,.1);border-color:rgba(246,243,238,.7);color:var(--c-warm)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--c-brand);border-bottom:2px solid transparent;padding-bottom:2px;transition:border-color var(--t),color var(--t)}
.link-arrow:hover{color:var(--c-brand-600);border-bottom-color:var(--c-brand-600)}
.link-arrow i{transition:transform var(--t)}
.link-arrow:hover i{transform:translateX(3px)}

/* 徽标 */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:500;line-height:1}
.badge-brand{background:var(--c-brand-050);color:var(--c-brand-600)}
.badge-accent{background:var(--c-accent-050);color:var(--c-accent)}
.badge-muted{background:var(--c-surface-2);color:var(--c-text-2)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--c-line);transition:box-shadow var(--t)}
.site-header.scrolled{box-shadow:var(--sh-1)}
.nav-wrap{max-width:var(--container);margin:0 auto;padding:0 var(--pad);height:68px;display:flex;align-items:center;gap:30px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{position:relative;width:28px;height:28px;border-radius:8px;background:var(--c-brand);flex:none}
.logo-mark::after{content:"";position:absolute;left:9px;top:9px;width:10px;height:10px;border-radius:50%;background:#FFF6F2}
.logo-text{font-size:20px;font-weight:800;letter-spacing:-.01em;line-height:1;color:var(--c-ink);transition:color var(--t)}
.logo:hover .logo-text{color:var(--c-brand)}
.logo-sub{font-size:12px;font-weight:600;color:var(--c-text-3);margin-left:6px;letter-spacing:.02em}
.nav-main{display:flex;align-items:center;gap:28px;margin-right:auto}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--c-text-2);padding:6px 0;transition:color var(--t),transform var(--t)}
.nav-link:hover{color:var(--c-brand);transform:translateY(-1px)}
.nav-link.is-active{color:var(--c-ink);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:50%;bottom:-8px;transform:translateX(-50%);width:16px;height:2px;border-radius:2px;background:var(--c-brand)}
.nav-right{display:flex;align-items:center;gap:12px;flex:none}
.nav-search{display:flex;align-items:center;gap:8px;width:240px;height:38px;padding:0 8px 0 14px;background:var(--c-surface-2);border-radius:var(--r-pill);border:1px solid transparent;transition:border-color var(--t),background var(--t)}
.nav-search:focus-within{border-color:var(--c-brand);background:var(--c-surface);box-shadow:0 0 0 3px rgba(255,77,28,.14)}
.nav-search i{font-size:13px;color:var(--c-text-3)}
.nav-search input{flex:1;min-width:0;border:0;background:transparent;font-size:13px;color:var(--c-text);outline:none}
.nav-search input::placeholder{color:var(--c-text-3)}
.kbd{flex:none;display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:6px;background:#FFF;border:1px solid var(--c-line);font-size:11px;color:var(--c-text-3)}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);background:transparent;color:var(--c-text-2);cursor:pointer;transition:border-color var(--t),color var(--t),background var(--t)}
.icon-btn:hover{border-color:var(--c-ink);color:var(--c-ink);background:var(--c-surface-2)}
.hamburger{display:none;width:36px;height:36px;border:1px solid var(--c-line);border-radius:10px;background:transparent;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.hamburger span{display:block;width:16px;height:2px;border-radius:2px;background:var(--c-ink)}
.drawer-mask{position:fixed;inset:0;background:rgba(18,19,17,.4);opacity:0;visibility:hidden;transition:opacity .28s ease-out,visibility .28s ease-out;z-index:1100}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;height:100%;width:min(360px,86vw);background:#fff;z-index:1200;transform:translateX(100%);transition:transform .28s ease-out;display:flex;flex-direction:column;padding:20px;gap:20px;overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);background:transparent;cursor:pointer;color:var(--c-ink)}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{font-size:18px;line-height:56px;border-bottom:1px solid var(--c-line);color:var(--c-ink)}
.drawer-links a.is-active{color:var(--c-brand);font-weight:600}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:12px}

/* Hero */
.hero{position:relative;background:var(--c-ink);color:var(--c-warm);overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-3}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:72% center}
.hero-tint{position:absolute;inset:0;z-index:-1;background:rgba(255,77,28,.12);pointer-events:none}
.hero-veil{position:absolute;inset:0;z-index:-2;background:linear-gradient(90deg,rgba(18,19,17,.96) 0%,rgba(18,19,17,.40) 84%)}
.hero-inner{position:relative;max-width:var(--container);margin:0 auto;padding:76px var(--pad) 28px;min-height:560px;display:flex;align-items:center}
.hero-copy{max-width:580px;position:relative;z-index:2}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:500;letter-spacing:.14em;color:var(--c-brand);margin-bottom:18px}
.hero-eyebrow::before{content:"";width:22px;height:2px;background:var(--c-brand);border-radius:2px}
.hero h1{color:var(--c-warm);font-size:clamp(32px,4.2vw,54px);line-height:1.12}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.7;color:var(--c-warm-2);max-width:460px}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-stats{display:flex;align-items:center;gap:24px;margin-top:44px;flex-wrap:wrap}
.stat{display:flex;flex-direction:column;gap:2px;padding-right:24px;border-right:1px solid rgba(246,243,238,.18)}
.stat:last-child{border-right:0;padding-right:0}
.stat-num{font-size:28px;font-weight:800;line-height:1.2;color:var(--c-warm);letter-spacing:-.02em}
.stat-label{font-size:12px;color:rgba(246,243,238,.6)}
.hero-float{position:absolute;right:var(--pad);bottom:64px;width:320px;aspect-ratio:3/2;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-hover);border:1px solid rgba(246,243,238,.16);z-index:2}
.hero-float img{width:100%;height:100%;object-fit:cover}
.hero-float figcaption{position:absolute;left:0;right:0;bottom:0;padding:24px 14px 12px;font-size:12px;color:var(--c-warm);background:linear-gradient(180deg,rgba(18,19,17,0) 0%,rgba(18,19,17,.82) 100%)}
.hero-chips{position:relative;max-width:var(--container);margin:0 auto;padding:0 var(--pad) 40px;display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;z-index:2}
.hero-chips::-webkit-scrollbar{display:none}
.chip{flex:none;display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);border:1px solid rgba(246,243,238,.28);background:transparent;color:var(--c-warm);font-size:13px;font-weight:500;transition:background var(--t),color var(--t),border-color var(--t)}
.chip:hover{background:var(--c-warm);color:var(--c-ink);border-color:var(--c-warm)}
.chip.is-on{background:var(--c-brand);border-color:var(--c-brand);color:#FFF6F2}

/* 横滑轨 */
.rail-top{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.rail-btns{display:flex;gap:8px}
.rail-btn{width:40px;height:40px;border-radius:50%;background:var(--c-surface);border:1px solid var(--c-line);color:var(--c-ink);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:background var(--t),color var(--t),border-color var(--t)}
.rail-btn:hover{background:var(--c-brand);border-color:var(--c-brand);color:#FFF6F2}
.rail{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px max(var(--pad),calc((100vw - var(--container))/2 + var(--pad))) 20px;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail-card{flex:none;width:280px;scroll-snap-align:start;position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/9;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t)}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.rail-card img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow)}
.rail-card:hover img{transform:scale(1.04)}
.media-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,19,17,0) 38%,rgba(18,19,17,.84) 100%)}
.rail-cap{position:absolute;left:14px;right:14px;bottom:12px;color:var(--c-warm)}
.rail-cap strong{display:block;font-size:15px;font-weight:600;line-height:1.35}
.rail-cap span{display:block;font-size:12px;color:rgba(246,243,238,.72);margin-top:4px}

/* 热播推荐 */
.hot-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:24px;align-items:start}
.hot-left{display:flex;flex-direction:column;gap:16px}
.hot-big{position:relative;display:block;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/9;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t)}
.hot-big:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.hot-big img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow)}
.hot-big:hover img{transform:scale(1.04)}
.hot-big .media-cap{position:absolute;left:20px;right:20px;bottom:18px;color:var(--c-warm);z-index:2}
.hot-big .media-cap h3{font-size:22px;font-weight:700;color:var(--c-warm)}
.hot-big .media-cap p{font-size:13px;color:rgba(246,243,238,.76);margin-top:6px;max-width:420px}
.hot-small-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.hot-small{position:relative;display:block;border-radius:var(--r-md);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t)}
.hot-small:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.hot-small img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow)}
.hot-small:hover img{transform:scale(1.04)}
.hot-small .rail-cap strong{font-size:13px}
.rank-panel{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.rank-head{padding:20px 20px 14px;border-bottom:1px solid var(--c-line)}
.rank-head h3{font-size:17px}
.rank-head p{font-size:12px;color:var(--c-text-3);margin-top:4px}
.rank-item{position:relative;display:flex;align-items:center;gap:14px;height:56px;padding:0 20px;border-bottom:1px solid var(--c-line);transition:background var(--t)}
.rank-item:last-child{border-bottom:0}
.rank-item:hover{background:var(--c-surface-2)}
.rank-item::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:2px;background:var(--c-brand);opacity:0;transition:opacity var(--t)}
.rank-item:hover::before{opacity:1}
.rank-num{flex:none;width:24px;font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;font-size:15px;font-weight:700;color:var(--c-accent)}
.rank-name{flex:1;min-width:0;font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-tag{flex:none;font-size:12px;color:var(--c-text-3)}

/* 编辑精选 */
.edit-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.edit-col{display:flex;flex-direction:column;gap:24px}
.edit-col--offset{margin-top:32px}
.edit-card{position:relative;display:block;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t)}
.edit-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.edit-card--tall{aspect-ratio:4/5}
.edit-card--wide{aspect-ratio:4/3}
.edit-card img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow)}
.edit-card:hover img{transform:scale(1.04)}
.edit-card .media-cap{position:absolute;left:18px;right:18px;bottom:16px;color:var(--c-warm);z-index:2}
.edit-card .media-cap h3{font-size:18px;font-weight:600;color:var(--c-warm)}
.edit-card .media-cap p{font-size:13px;color:rgba(246,243,238,.74);margin-top:6px}
.edit-card .badge{position:absolute;left:16px;top:16px;z-index:2}

/* 最新上架 */
.new-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.new-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--t),border-color var(--t),box-shadow var(--t)}
.new-card:hover{transform:translateY(-4px);border-color:var(--c-ink);box-shadow:var(--sh-2)}
.new-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-2)}
.new-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow)}
.new-card:hover .new-thumb img{transform:scale(1.04)}
.new-body{padding:16px}
.new-body h3{font-size:15px;font-weight:600;line-height:1.45;transition:color var(--t)}
.new-card:hover .new-body h3{color:var(--c-brand)}
.new-meta{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:12px;color:var(--c-text-3)}

/* 主题合集 */
.theme-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:36px;align-items:start}
.theme-visual{position:relative;border-radius:var(--r-xl);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--sh-2)}
.theme-visual img{width:100%;height:100%;object-fit:cover}
.theme-visual figcaption{position:absolute;left:0;right:0;bottom:0;padding:48px 24px 22px;color:var(--c-warm);background:linear-gradient(180deg,rgba(18,19,17,0) 0%,rgba(18,19,17,.86) 100%)}
.theme-visual figcaption strong{display:block;font-size:20px;font-weight:700}
.theme-visual figcaption span{display:block;font-size:13px;color:rgba(246,243,238,.76);margin-top:6px}
.theme-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--c-line);transition:padding-left var(--t),background var(--t)}
.theme-item:first-child{padding-top:0}
.theme-item:hover{padding-left:6px}
.theme-item:last-child{border-bottom:0}
.theme-thumb{flex:none;width:72px;height:72px;border-radius:var(--r-md);overflow:hidden;background:var(--c-surface-2)}
.theme-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow)}
.theme-item:hover .theme-thumb img{transform:scale(1.06)}
.theme-text h3{font-size:16px;font-weight:600;line-height:1.45}
.theme-item:hover .theme-text h3{color:var(--c-brand)}
.theme-text p{font-size:13px;color:var(--c-text-2);margin-top:6px;line-height:1.6}

/* 最新动态 */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--t),border-color var(--t),box-shadow var(--t)}
.news-card:hover{transform:translateY(-4px);border-color:var(--c-ink);box-shadow:var(--sh-2)}
.news-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow)}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{font-size:17px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--t)}
.news-card:hover .news-title{color:var(--c-brand)}
.news-desc{font-size:14px;line-height:1.7;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:12px;font-size:12px;color:var(--c-text-3);padding-top:12px;border-top:1px solid var(--c-line);flex-wrap:wrap}
.news-more{margin-left:auto;display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--c-brand)}
.news-more:hover{color:var(--c-brand-600)}
.news-more i{transition:transform var(--t)}
.news-card:hover .news-more i{transform:translateX(3px)}
.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:16px;padding:64px 24px;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-lg);text-align:center}
.empty-ico{width:64px;height:64px;border-radius:50%;background:var(--c-surface-2);display:inline-flex;align-items:center;justify-content:center;color:var(--c-text-3);font-size:22px}
.empty-state p{font-size:14px;color:var(--c-text-2)}

/* FAQ */
.faq-list{max-width:880px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;transition:border-color var(--t),background var(--t)}
.faq-item[open]{border-color:var(--c-ink);background:var(--c-surface-2);border-radius:12px}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;font-size:17px;font-weight:600;color:var(--c-ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex:none;font-size:22px;font-weight:500;color:var(--c-brand);line-height:1;transition:transform var(--t)}
.faq-item[open] summary::after{content:"−"}
.faq-answer{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--c-text-2)}

/* CTA 带 */
.cta-band{background:var(--c-ink);color:var(--c-warm);padding:76px 0;position:relative;overflow:hidden}
.cta-inner{max-width:var(--container);margin:0 auto;padding:0 var(--pad);display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:48px;align-items:center}
.cta-inner h2{color:var(--c-warm);font-size:clamp(26px,3.2vw,40px);font-weight:800;line-height:1.2}
.cta-inner p{margin-top:14px;font-size:15px;line-height:1.8;color:var(--c-warm-2);max-width:440px}
.cta-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.cta-visual{position:relative;border-radius:var(--r-xl);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--sh-hover);border:1px solid rgba(246,243,238,.14)}
.cta-visual img{width:100%;height:100%;object-fit:cover}

/* 页脚 */
.site-footer{background:var(--c-ink);color:rgba(246,243,238,.72);padding:72px 0 32px}
.footer-wrap{max-width:var(--container);margin:0 auto;padding:0 var(--pad)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo-text{color:var(--c-warm)}
.footer-brand .logo-sub{color:rgba(246,243,238,.5)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(246,243,238,.66);max-width:280px}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{width:32px;height:32px;border-radius:50%;border:1px solid rgba(246,243,238,.22);display:inline-flex;align-items:center;justify-content:center;font-size:13px;color:rgba(246,243,238,.72);transition:border-color var(--t),color var(--t),transform var(--t)}
.socials a:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px)}
.footer-col h4{font-size:13px;font-weight:600;color:var(--c-warm);letter-spacing:.06em;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(246,243,238,.72);display:inline-block;transition:color var(--t),transform var(--t)}
.footer-col a:hover{color:var(--c-brand);transform:translateX(2px)}
.footer-form label{display:block;font-size:12px;font-weight:500;color:rgba(246,243,238,.66);margin-bottom:8px}
.footer-form .field{display:flex;gap:8px}
.footer-form input{flex:1;min-width:0;height:44px;border-radius:var(--r-md);border:1px solid rgba(246,243,238,.2);background:rgba(246,243,238,.06);padding:0 14px;color:var(--c-warm);font-size:14px;outline:none;transition:border-color var(--t),box-shadow var(--t)}
.footer-form input::placeholder{color:rgba(246,243,238,.4)}
.footer-form input:focus{border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(255,77,28,.16)}
.footer-form .hint{font-size:12px;color:rgba(246,243,238,.44);margin-top:10px}
.footer-bottom{margin-top:48px;padding-top:24px;border-top:1px solid rgba(246,243,238,.14);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:rgba(246,243,238,.5)}
.footer-bottom-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom-links a{color:rgba(246,243,238,.5)}
.footer-bottom-links a:hover{color:var(--c-brand)}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.in{opacity:1;transform:none}

@media (max-width:1024px){
  :root{--pad:28px}
  .nav-main,.nav-search{display:none}
  .hamburger{display:inline-flex}
  .section{padding:72px 0}
  .hero-inner{min-height:auto;padding-top:56px;padding-bottom:24px}
  .hero-float{display:none}
  .hot-grid{grid-template-columns:1fr}
  .new-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .theme-wrap{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr}
  .cta-visual{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  :root{--pad:20px}
  .section{padding:64px 0}
  .section--tight{padding:56px 0}
  .nav-wrap{height:60px;gap:12px}
  .logo-text{font-size:20px}
  .logo-sub{display:none}
  .hero-inner{padding-top:44px;min-height:auto}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15px;margin-top:16px}
  .hero-actions{margin-top:24px}
  .hero-actions .btn{flex:1;padding:13px 18px}
  .hero-stats{gap:16px;margin-top:32px}
  .stat{padding-right:16px}
  .stat-num{font-size:22px}
  .hero-chips{padding-bottom:28px}
  .hot-small-grid{grid-template-columns:1fr 1fr}
  .edit-grid{grid-template-columns:1fr}
  .edit-col--offset{margin-top:0}
  .edit-card--tall{aspect-ratio:4/3}
  .new-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .news-grid{grid-template-columns:1fr}
  .rail-card{width:220px}
  .rail{padding-left:var(--pad);padding-right:var(--pad)}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{padding:56px 0}
  .cta-actions .btn{flex:1}
  .faq-item summary{font-size:16px;padding:16px}
  .faq-answer{padding:0 16px 16px;font-size:14px}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .stat-num{font-size:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --c-ink:#121311;
  --c-brand:#FF4D1C;
  --c-brand-600:#E03A0C;
  --c-brand-050:#FFEDE6;
  --c-accent:#16554A;
  --c-accent-050:#E4EFEC;
  --c-bg:#F6F3EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#EDE8E0;
  --c-line:#DED8CD;
  --c-text:#121311;
  --c-text-2:#5B5F5A;
  --c-text-3:#8A8D86;
  --c-danger:#D93025;
  --warm:#F6F3EE;
  --warm-66:rgba(246,243,238,.66);
  --warm-42:rgba(246,243,238,.42);
  --warm-24:rgba(246,243,238,.24);
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,19,17,.06);
  --sh-2:0 8px 24px -12px rgba(18,19,17,.24);
  --sh-hover:0 18px 40px -18px rgba(18,19,17,.35);
  --t:.24s ease-out;
  --ease-card:.4s cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--t);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-text);letter-spacing:-.01em;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 40px;}
.eyebrow{
  display:block;font-size:12px;font-weight:500;letter-spacing:.14em;
  color:var(--c-brand);margin-bottom:12px;
}
.eyebrow-light{color:#FF8A63;}
.section-head{margin-bottom:36px;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;letter-spacing:-.02em;}
.section-head p{margin-top:12px;font-size:15px;color:var(--c-text-2);max-width:620px;}
:focus-visible{outline:3px solid rgba(255,77,28,.32);outline-offset:2px;border-radius:4px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;
  padding:14px 28px;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-primary{background:var(--c-brand);color:#FFF7F3;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-brand-600);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink);}
.btn-ghost:hover{border-color:var(--c-ink);background:var(--c-surface-2);}
.btn-sm{padding:9px 20px;font-size:14px;}
.btn-lg{padding:16px 34px;font-size:16px;}
.btn-dark-ghost{background:transparent;border-color:rgba(246,243,238,.28);color:var(--warm);}
.btn-dark-ghost:hover{border-color:var(--warm);background:rgba(246,243,238,.08);}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;pointer-events:none;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{
  max-width:1280px;margin:0 auto;padding:0 40px;
  height:68px;display:flex;align-items:center;gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  position:relative;width:28px;height:28px;border-radius:8px;
  background:var(--c-brand);flex:none;
  transition:background var(--t);
}
.logo-mark::after{
  content:"";position:absolute;left:9px;top:9px;width:10px;height:10px;
  border-radius:50%;background:#FFF3EC;
}
.logo-text{
  display:flex;flex-direction:column;gap:2px;
  font-size:20px;font-weight:800;line-height:1.1;color:var(--c-ink);
  transition:color var(--t);
}
.logo:hover .logo-text{color:var(--c-brand);}
.logo-sub{font-size:10px;font-weight:600;letter-spacing:.14em;color:var(--c-text-3);}
.nav-main{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-link{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--c-text-2);
  transition:color var(--t),transform var(--t);
}
.nav-link:hover{color:var(--c-brand);transform:translateY(-1px);}
.nav-link.is-active{color:var(--c-ink);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:-8px;
  width:16px;height:2px;border-radius:2px;background:var(--c-brand);
  transform:translateX(-50%);
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;flex:none;}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  width:240px;height:38px;padding:0 8px 0 14px;
  background:var(--c-surface-2);border-radius:var(--r-pill);
  transition:box-shadow var(--t),background var(--t);
}
.cmd-search:focus-within{box-shadow:0 0 0 3px rgba(255,77,28,.18);background:#fff;}
.cmd-search i{font-size:13px;color:var(--c-text-3);}
.cmd-search input{
  flex:1;min-width:0;height:34px;border:0;background:transparent;
  font-size:13px;color:var(--c-text);outline:none;
}
.cmd-search input::placeholder{color:var(--c-text-3);font-size:13px;}
.kbd{
  flex:none;width:22px;height:22px;border-radius:6px;
  background:#fff;border:1px solid var(--c-line);
  font-size:11px;color:var(--c-text-3);
  display:flex;align-items:center;justify-content:center;
}
.icon-btn{
  width:36px;height:36px;border-radius:50%;
  border:1px solid var(--c-line);background:var(--c-surface);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;color:var(--c-text-2);
  transition:all var(--t);
}
.icon-btn:hover{border-color:var(--c-brand);color:var(--c-brand);}
.burger{
  display:none;width:38px;height:38px;border-radius:var(--r-md);
  border:1px solid var(--c-line);background:var(--c-surface);
  padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.burger span{display:block;width:16px;height:2px;border-radius:2px;background:var(--c-ink);transition:background var(--t);}
.burger:hover span{background:var(--c-brand);}

/* 抽屉菜单 */
.drawer{position:fixed;inset:0;z-index:1200;visibility:hidden;pointer-events:none;}
.drawer.is-open{visibility:visible;pointer-events:auto;}
.drawer-mask{position:absolute;inset:0;background:rgba(18,19,17,.4);opacity:0;transition:opacity .28s ease-out;}
.drawer.is-open .drawer-mask{opacity:1;}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(86vw,360px);height:100%;
  background:#fff;padding:22px;display:flex;flex-direction:column;gap:20px;
  transform:translateX(100%);transition:transform .28s ease-out;
  overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);
  background:#fff;font-size:15px;color:var(--c-text-2);
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-links{display:flex;flex-direction:column;}
.drawer-links a{
  font-size:18px;font-weight:600;color:var(--c-ink);
  padding:16px 0;border-bottom:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer-links a:hover{color:var(--c-brand);}
.drawer-links a i{font-size:13px;color:var(--c-text-3);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}

/* ---------- 分类页横幅 ---------- */
.cat-hero{
  position:relative;display:flex;align-items:flex-end;
  min-height:clamp(300px,27vw,420px);overflow:hidden;background:var(--c-ink);
}
.cat-hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 40%;}
.cat-hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(18,19,17,.9) 0%,rgba(18,19,17,.55) 52%,rgba(18,19,17,.2) 100%);
}
.cat-hero-tint{position:absolute;inset:0;background:rgba(255,77,28,.10);}
.cat-hero-inner{position:relative;z-index:2;padding-top:110px;padding-bottom:52px;width:100%;}
.cat-hero h1{
  font-size:clamp(32px,4.4vw,56px);font-weight:800;line-height:1.1;
  letter-spacing:-.02em;color:var(--warm);
}
.cat-hero-inner p{margin-top:16px;font-size:16px;color:var(--warm-66);max-width:560px;}
.cat-hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.cat-hero-tags span{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;
  border-radius:var(--r-pill);border:1px solid var(--warm-24);
  font-size:12px;color:var(--warm-66);
}

/* ---------- 筛选条 ---------- */
.filter-bar{background:var(--c-surface);border-bottom:1px solid var(--c-line);}
.filter-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap;
}
.chips{display:flex;gap:10px;overflow-x:auto;padding:2px 0;scrollbar-width:none;}
.chips::-webkit-scrollbar{display:none;}
.chip{
  flex:none;height:34px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-text-2);font-size:14px;
  display:inline-flex;align-items:center;
  transition:all var(--t);
}
.chip:hover{border-color:var(--c-ink);color:var(--c-ink);}
.chip.is-on{background:var(--c-brand-050);border-color:var(--c-brand);color:var(--c-brand-600);font-weight:600;}
.sort{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-text-3);flex:none;}
.sort select{
  height:36px;padding:0 36px 0 16px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-text);font-size:14px;appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%235B5F5A' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
  transition:border-color var(--t),box-shadow var(--t);
}
.sort select:focus{border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(255,77,28,.16);outline:none;}

/* ---------- 片库网格 ---------- */
.library{padding:64px 0 72px;}
.lib-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.lib-head p{font-size:15px;color:var(--c-text-2);max-width:560px;margin-top:12px;}
.lib-count{font-size:13px;color:var(--c-text-3);flex:none;}
.lib-count b{color:var(--c-ink);font-size:16px;font-weight:700;}
.game-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
.game-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--ease-card),box-shadow var(--ease-card),border-color var(--t);
  display:flex;flex-direction:column;
}
.game-card:hover{transform:translateY(-4px);border-color:var(--c-ink);box-shadow:var(--sh-2);}
.card-media{position:relative;display:block;overflow:hidden;aspect-ratio:4/3;background:var(--c-surface-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease-card);}
.game-card:hover .card-media img{transform:scale(1.04);}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,19,17,0) 52%,rgba(18,19,17,.55) 100%);
  opacity:0;transition:opacity var(--t);
}
.game-card:hover .card-media::after{opacity:1;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:500;line-height:1;
}
.badge-brand{background:var(--c-brand-050);color:var(--c-brand-600);}
.badge-accent{background:var(--c-accent-050);color:var(--c-accent);}
.badge-neutral{background:var(--c-surface-2);color:var(--c-text-2);}
.card-badges{position:absolute;left:14px;top:14px;display:flex;gap:8px;z-index:2;}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.card-title{font-size:20px;font-weight:700;letter-spacing:-.01em;}
.card-title a:hover{color:var(--c-brand);}
.card-desc{margin-top:10px;font-size:14px;line-height:1.75;color:var(--c-text-2);}
.card-meta{
  margin-top:16px;padding-top:16px;border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:8px 18px;
  font-size:13px;color:var(--c-text-3);
}
.card-meta span{display:inline-flex;align-items:center;gap:6px;}
.card-meta i{font-size:12px;color:var(--c-accent);}

/* ---------- 分页 ---------- */
.pager{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:52px;flex-wrap:wrap;}
.pager a,.pager .is-current,.pager .gap{
  width:36px;height:36px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-text-2);transition:all var(--t);
}
.pager a:hover{border-color:var(--c-ink);color:var(--c-ink);}
.pager .is-current{background:var(--c-ink);border-color:var(--c-ink);color:var(--warm);font-weight:700;}
.pager .gap{border:0;background:transparent;color:var(--c-text-3);}

/* ---------- 三步指引 ---------- */
.how-band{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:88px 0;}
.how-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.how-card{
  position:relative;padding:30px 26px 26px;
  background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-lg);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.how-card:hover{transform:translateY(-3px);border-color:var(--c-ink);box-shadow:var(--sh-2);}
.how-num{
  font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--c-accent);margin-bottom:14px;display:block;
}
.how-card h3{font-size:19px;font-weight:700;margin-bottom:10px;}
.how-card p{font-size:14px;line-height:1.8;color:var(--c-text-2);}
.how-icon{
  width:44px;height:44px;border-radius:12px;background:var(--c-brand-050);
  display:flex;align-items:center;justify-content:center;
  color:var(--c-brand-600);font-size:17px;margin-bottom:18px;
}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;background:var(--c-line);border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;margin-top:56px;
}
.stat-cell{background:var(--c-surface);padding:26px 24px;}
.stat-cell b{
  display:block;font-size:28px;font-weight:800;line-height:1.1;
  color:var(--c-ink);letter-spacing:-.02em;
}
.stat-cell span{display:block;margin-top:8px;font-size:12px;color:var(--c-text-3);}

/* ---------- FAQ ---------- */
.faq-section{padding:88px 0;}
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  border:1px solid var(--c-line);border-radius:var(--r-md);
  background:var(--c-surface);padding:0 22px;
  transition:border-color var(--t),background var(--t),border-radius var(--t);
}
.faq-item[open]{border-color:var(--c-ink);background:var(--c-surface-2);border-radius:12px;}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:19px 36px 19px 0;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:0;top:50%;width:12px;height:2px;
  background:var(--c-brand);border-radius:2px;transform:translateY(-50%);
}
.faq-item summary::before{
  content:"";position:absolute;right:5px;top:50%;width:2px;height:12px;
  background:var(--c-brand);border-radius:2px;
  transform:translateY(-50%);transition:transform var(--t),opacity var(--t);
}
.faq-item[open] summary::before{transform:translateY(-50%) rotate(90deg);opacity:0;}
.faq-item p{padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--c-text-2);max-width:760px;}

/* ---------- 深色 CTA ---------- */
.cta-band{background:var(--c-ink);color:var(--warm);padding:84px 0;}
.cta-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;}
.cta-copy h2{
  font-size:clamp(28px,3.4vw,44px);font-weight:800;line-height:1.15;
  letter-spacing:-.02em;color:var(--warm);
}
.cta-copy p{margin-top:16px;font-size:16px;color:var(--warm-66);max-width:460px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.cta-media{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  aspect-ratio:16/10;box-shadow:var(--sh-hover);
}
.cta-media img{width:100%;height:100%;object-fit:cover;}
.cta-media-tag{
  position:absolute;left:18px;bottom:18px;
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(18,19,17,.72);color:var(--warm);font-size:13px;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:var(--warm);padding:72px 0 32px;}
.footer-wrap{max-width:1280px;margin:0 auto;padding:0 40px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand .logo-text{color:var(--warm);}
.footer-brand .logo:hover .logo-text{color:var(--c-brand);}
.footer-brand .logo-sub{color:rgba(246,243,238,.5);}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.8;color:var(--warm-66);max-width:290px;}
.socials{display:flex;gap:10px;margin-top:22px;}
.socials a{
  width:32px;height:32px;border-radius:50%;
  border:1px solid var(--warm-24);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--warm-66);
  transition:all var(--t);
}
.socials a:hover{background:var(--c-brand);border-color:var(--c-brand);color:#fff;transform:translateY(-2px);}
.footer-col h4{font-size:15px;font-weight:700;color:var(--warm);margin-bottom:18px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col ul a{font-size:14px;color:var(--warm-66);display:inline-block;transition:all var(--t);}
.footer-col ul a:hover{color:var(--c-brand);transform:translateX(2px);}
.footer-form label{display:block;font-size:12px;color:var(--warm-66);margin-bottom:10px;}
.field{display:flex;gap:8px;}
.field input{
  flex:1;min-width:0;height:44px;padding:0 14px;
  border-radius:var(--r-md);border:1px solid rgba(246,243,238,.2);
  background:rgba(246,243,238,.06);color:var(--warm);font-size:14px;outline:none;
  transition:border-color var(--t),box-shadow var(--t);
}
.field input::placeholder{color:var(--warm-42);}
.field input:focus{border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(255,77,28,.16);}
.footer-form .hint{margin-top:10px;font-size:12px;color:var(--warm-42);}
.footer-bottom{
  margin-top:56px;padding-top:26px;
  border-top:1px solid rgba(246,243,238,.14);
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(246,243,238,.5);
}
.footer-bottom-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom-links a{color:rgba(246,243,238,.5);}
.footer-bottom-links a:hover{color:var(--c-brand);}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease-out,transform .5s ease-out;}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .container,.header-inner,.footer-wrap{padding-left:28px;padding-right:28px;}
  .nav-main{gap:20px;}
  .cmd-search{width:200px;}
}
@media (max-width:1024px){
  .nav-main,.cmd-search,.icon-btn{display:none;}
  .burger{display:inline-flex;}
  .header-inner{height:64px;}
  .game-grid{gap:22px;}
  .how-grid{grid-template-columns:1fr 1fr;}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:768px){
  .container,.header-inner,.footer-wrap{padding-left:20px;padding-right:20px;}
  .library{padding:52px 0 60px;}
  .game-grid{grid-template-columns:1fr;gap:20px;}
  .how-band,.faq-section{padding:64px 0;}
  .how-grid{grid-template-columns:1fr;}
  .cta-band{padding:64px 0;}
  .cat-hero-inner{padding-top:80px;padding-bottom:40px;}
  .cat-hero-inner p{font-size:15px;}
  .filter-inner{padding-top:12px;padding-bottom:12px;}
  .sort{width:100%;justify-content:space-between;}
  .pager a,.pager .is-current,.pager .gap{width:34px;height:34px;}
  .card-body{padding:18px 18px 20px;}
}
@media (max-width:520px){
  .stat-strip{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-actions .btn{width:100%;}
  .cat-hero{min-height:280px;}
  .cat-hero-tags span{font-size:11px;}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --c-ink:#121311;
  --c-brand:#FF4D1C;
  --c-brand-600:#E03A0C;
  --c-brand-050:#FFEDE6;
  --c-accent:#16554A;
  --c-accent-050:#E4EFEC;
  --c-bg:#F6F3EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#EDE8E0;
  --c-line:#DED8CD;
  --c-text:#121311;
  --c-text-2:#5B5F5A;
  --c-text-3:#8A8D86;
  --c-danger:#D93025;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,19,17,.06);
  --sh-2:0 8px 24px -12px rgba(18,19,17,.24);
  --sh-hover:0 18px 40px -18px rgba(18,19,17,.35);
  --tr:.24s ease-out;
  --font:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.8;color:var(--c-text);background:var(--c-bg);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
input,textarea,select{font-family:inherit}
[hidden]{display:none !important}
::selection{background:var(--c-brand-050);color:var(--c-brand-600)}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 40px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:var(--r-pill);font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;cursor:pointer;transition:background var(--tr),color var(--tr),border-color var(--tr),transform var(--tr),box-shadow var(--tr);text-align:center}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.btn-primary{background:var(--c-brand);color:#FFF6F2;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-brand-600);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink)}
.btn-ghost:hover{border-color:var(--c-ink);background:var(--c-surface-2)}
.btn-ghost:active{transform:translateY(0)}
.btn-outline-light{background:transparent;border-color:rgba(246,243,238,.28);color:#F6F3EE}
.btn-outline-light:hover{border-color:rgba(246,243,238,.85);background:rgba(246,243,238,.08);transform:translateY(-1px)}
.btn[disabled],.btn:disabled{opacity:.5;cursor:not-allowed}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(255,77,28,.35);outline-offset:2px;border-radius:var(--r-sm)}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--c-line);transition:box-shadow var(--tr)}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{max-width:1280px;margin:0 auto;padding:0 40px;height:68px;display:flex;align-items:center;gap:32px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:28px;height:28px;border-radius:8px;background:var(--c-brand);position:relative;flex-shrink:0}
.logo-mark::after{content:"";position:absolute;right:6px;top:6px;width:9px;height:9px;border-radius:50%;background:#FFF3EE}
.logo-text{display:flex;flex-direction:column;font-size:20px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);line-height:1.1}
.logo-sub{font-size:11px;font-weight:500;color:var(--c-text-3);letter-spacing:.02em;line-height:1.2;margin-top:2px}
.logo:hover .logo-text{color:var(--c-brand)}
.nav-main{display:flex;align-items:center;gap:28px;margin-right:auto}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--c-text-2);padding:6px 0;transition:color var(--tr),transform var(--tr)}
.nav-link:hover{color:var(--c-brand);transform:translateY(-1px)}
.nav-link.is-active{color:var(--c-ink)}
.nav-link.is-active::after{content:"";position:absolute;left:50%;bottom:-6px;transform:translateX(-50%);width:16px;height:2px;border-radius:2px;background:var(--c-brand)}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-search{display:flex;align-items:center;gap:8px;width:240px;height:38px;padding:0 8px 0 14px;background:var(--c-surface-2);border:1px solid transparent;border-radius:var(--r-pill);transition:border-color var(--tr),background var(--tr),box-shadow var(--tr)}
.nav-search:focus-within{border-color:var(--c-brand);background:var(--c-surface);box-shadow:0 0 0 3px rgba(255,77,28,.16)}
.nav-search i{font-size:13px;color:var(--c-text-3)}
.nav-search input{flex:1;min-width:0;border:0;background:transparent;font-size:13px;color:var(--c-text);outline:none;height:100%}
.nav-search input::placeholder{color:var(--c-text-3)}
.kbd{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:6px;background:#fff;border:1px solid var(--c-line);font-size:11px;color:var(--c-text-3)}
.icon-btn{width:36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-text-2);font-size:14px;transition:all var(--tr)}
.icon-btn:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-1px)}
.nav-burger{display:none;width:36px;height:36px;border-radius:var(--r-sm);border:1px solid var(--c-line);background:var(--c-surface);flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;padding:0}
.nav-burger span{display:block;width:16px;height:2px;border-radius:2px;background:var(--c-ink);transition:all var(--tr)}
.nav-burger:hover{border-color:var(--c-ink)}
.drawer-mask{position:fixed;inset:0;background:rgba(18,19,17,.4);z-index:1098;opacity:0;pointer-events:none;transition:opacity .28s ease}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;background:var(--c-surface);z-index:1099;transform:translateX(102%);transition:transform .28s ease;display:flex;flex-direction:column;gap:20px;padding:20px;overflow-y:auto}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;gap:10px}
.drawer-search{width:100%}
.drawer-close{width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);background:var(--c-surface);font-size:18px;line-height:1;color:var(--c-text-2);cursor:pointer;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center}
.drawer-close:hover{border-color:var(--c-brand);color:var(--c-brand)}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--c-line)}
.drawer-nav a{font-size:18px;line-height:56px;height:56px;border-bottom:1px solid var(--c-line);color:var(--c-ink);font-weight:500}
.drawer-nav a:hover{color:var(--c-brand)}
.drawer-cta{margin-top:auto}

/* ============ 面包屑 ============ */
.breadcrumb-bar{background:var(--c-bg);border-bottom:1px solid var(--c-line)}
.breadcrumb-inner{max-width:1280px;margin:0 auto;padding:0 40px;height:52px;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-text-3);overflow:hidden;white-space:nowrap}
.breadcrumb-inner a{color:var(--c-text-3);transition:color var(--tr)}
.breadcrumb-inner a:hover{color:var(--c-brand)}
.breadcrumb-inner .sep{width:1px;height:12px;background:var(--c-line);transform:rotate(18deg);flex-shrink:0}
.breadcrumb-inner .current{color:var(--c-text-2);overflow:hidden;text-overflow:ellipsis;min-width:0}

/* ============ 文章主体 ============ */
.article-shell{max-width:1176px;margin:0 auto;padding:0 40px}
.article-head{padding:52px 0 36px;max-width:760px}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:500;line-height:1}
.badge-brand{background:var(--c-brand-050);color:var(--c-brand-600)}
.badge-accent{background:var(--c-accent-050);color:var(--c-accent)}
.article-head h1{font-size:clamp(28px,3.4vw,42px);font-weight:800;line-height:1.25;letter-spacing:-.02em;color:var(--c-ink);margin-top:18px}
.article-head-foot{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:24px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--c-text-3);font-variant-numeric:tabular-nums}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--c-line)}
.share-group{display:flex;gap:8px}
.share-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-text-2);display:inline-flex;align-items:center;justify-content:center;font-size:14px;cursor:pointer;transition:all var(--tr)}
.share-btn:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-1px)}
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 280px;gap:56px;align-items:start;padding-bottom:24px}
.article-main{min-width:0}
.article-cover{margin:0 0 36px}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-2)}
.article-cover figcaption{font-size:12px;color:var(--c-text-3);text-align:center;margin-top:10px}

.article-body{font-size:17px;line-height:1.9;color:var(--c-text);overflow-wrap:break-word}
.article-body p{margin:0 0 1.2em}
.article-body > p:first-of-type{font-size:19px;font-weight:500;color:var(--c-ink);line-height:1.85}
.article-body h2{position:relative;font-size:clamp(22px,2.2vw,27px);font-weight:700;line-height:1.35;letter-spacing:-.01em;margin:48px 0 16px;padding-left:16px}
.article-body h2::before{content:"";position:absolute;left:0;top:.28em;width:4px;height:20px;border-radius:2px;background:var(--c-brand)}
.article-body h3{font-size:19px;font-weight:600;line-height:1.5;margin:32px 0 12px}
.article-body ul{list-style:disc;padding-left:1.4em;margin:0 0 1.2em;line-height:1.8}
.article-body ol{list-style:decimal;padding-left:1.4em;margin:0 0 1.2em;line-height:1.8}
.article-body li{margin-bottom:.4em}
.article-body li::marker{color:var(--c-brand)}
.article-body blockquote{margin:32px 0;padding:16px 20px;background:var(--c-surface-2);border-left:3px solid var(--c-brand);border-radius:0 10px 10px 0;color:var(--c-text-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:24px auto}
.article-body figure{margin:28px 0}
.article-body figcaption{font-size:12px;color:var(--c-text-3);text-align:center;margin-top:10px}
.article-body a{color:var(--c-brand);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
.article-body a:hover{color:var(--c-brand-600);text-decoration-color:transparent}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0}
.article-body th{background:var(--c-surface-2);font-weight:600;text-align:left}
.article-body th,.article-body td{padding:10px 14px;border-bottom:1px solid var(--c-line)}
.article-body strong{font-weight:700}

.article-foot{margin-top:48px;padding-top:28px;border-top:1px solid var(--c-line);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.tag-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.tag-list .label{font-size:13px;color:var(--c-text-3);margin-right:4px}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);background:var(--c-surface);border:1px solid var(--c-line);font-size:13px;color:var(--c-text-2);transition:all var(--tr)}
.tag:hover{border-color:var(--c-brand);color:var(--c-brand-600);background:var(--c-brand-050)}

.related{margin-top:56px}
.related-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:20px}
.related-head h2{font-size:22px;font-weight:700;letter-spacing:-.01em}
.related-head a{font-size:13px;color:var(--c-brand);font-weight:600}
.related-head a:hover{color:var(--c-brand-600)}
.related-grid{display:grid;gap:16px}
.related-card{display:flex;gap:14px;align-items:center;padding:14px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);transition:transform .4s cubic-bezier(.2,.7,.2,1),box-shadow .4s cubic-bezier(.2,.7,.2,1),border-color .4s cubic-bezier(.2,.7,.2,1)}
.related-card:hover{border-color:var(--c-ink);transform:translateY(-4px);box-shadow:var(--sh-2)}
.related-card img{width:96px;height:96px;border-radius:var(--r-md);object-fit:cover;flex-shrink:0}
.related-card h3{font-size:16px;font-weight:600;line-height:1.45;margin-bottom:6px}
.related-card p{font-size:13px;color:var(--c-text-3);line-height:1.6}

.empty-state{text-align:center;padding:64px 24px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1)}
.empty-icon{width:64px;height:64px;border-radius:50%;background:var(--c-surface-2);display:flex;align-items:center;justify-content:center;margin:0 auto 18px;color:var(--c-text-3);font-size:22px}
.empty-state h2{font-size:20px;font-weight:700;margin-bottom:10px}
.empty-state p{font-size:14px;color:var(--c-text-2);margin-bottom:22px}

/* ============ 侧栏 ============ */
.article-aside{position:sticky;top:92px;display:flex;flex-direction:column;gap:20px}
.aside-box{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-1)}
.aside-box h3{font-size:14px;font-weight:700;color:var(--c-ink);padding-bottom:10px;margin-bottom:12px;border-bottom:1px solid var(--c-line)}
.toc-list{max-height:320px;overflow-y:auto}
.toc-list a{display:block;font-size:14px;line-height:1.5;color:var(--c-text-2);padding:7px 0 7px 12px;border-left:2px solid transparent;transition:all var(--tr)}
.toc-list a:hover,.toc-list a.is-current{color:var(--c-brand-600);border-left-color:var(--c-brand);background:var(--c-brand-050)}
.aside-links li+li{border-top:1px solid var(--c-line)}
.aside-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 0;font-size:14px;color:var(--c-text-2);transition:all var(--tr)}
.aside-links a i{font-size:11px;color:var(--c-text-3);transition:all var(--tr)}
.aside-links a:hover{color:var(--c-brand)}
.aside-links a:hover i{color:var(--c-brand);transform:translateX(2px)}
.aside-cta{background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:22px 20px;text-align:center}
.aside-cta i{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:var(--c-brand-050);color:var(--c-brand-600);font-size:16px;margin-bottom:12px}
.aside-cta p{font-size:13px;line-height:1.65;color:var(--c-text-2);margin-bottom:16px}

/* ============ 深色 CTA ============ */
.cta-band{background:var(--c-ink);color:#F6F3EE;margin-top:96px;padding:72px 0}
.cta-inner{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:48px;align-items:center}
.eyebrow{display:block;font-size:12px;font-weight:500;letter-spacing:.14em;color:var(--c-brand);margin-bottom:12px}
.cta-band h2{font-size:clamp(24px,2.6vw,34px);font-weight:800;line-height:1.2;letter-spacing:-.02em}
.cta-band p{color:rgba(246,243,238,.66);font-size:15px;margin-top:14px;max-width:30em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.cta-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl);box-shadow:var(--sh-hover)}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:#F6F3EE;padding:72px 0 32px}
.footer-wrap{max-width:1280px;margin:0 auto;padding:0 40px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo-text{color:#F6F3EE}
.footer-brand .logo-text:hover{color:var(--c-brand)}
.footer-brand .logo-sub{color:rgba(246,243,238,.5)}
.footer-brand p{font-size:14px;color:rgba(246,243,238,.66);line-height:1.7;margin:18px 0 20px;max-width:22em}
.socials{display:flex;gap:10px}
.socials a{width:32px;height:32px;border-radius:50%;border:1px solid rgba(246,243,238,.24);display:inline-flex;align-items:center;justify-content:center;color:rgba(246,243,238,.72);font-size:13px;transition:all var(--tr)}
.socials a:hover{background:var(--c-brand);border-color:var(--c-brand);color:#FFF6F2;transform:translateY(-1px)}
.footer-col h4{font-size:14px;font-weight:700;color:#F6F3EE;margin-bottom:16px}
.footer-col ul li+li{margin-top:10px}
.footer-col a{display:inline-block;font-size:14px;color:rgba(246,243,238,.72);transition:all var(--tr)}
.footer-col a:hover{color:var(--c-brand);transform:translateX(2px)}
.footer-form label{display:block;font-size:12px;color:rgba(246,243,238,.66);margin-bottom:8px}
.footer-form .field{display:flex;gap:8px}
.footer-form input{flex:1;min-width:0;height:40px;border-radius:var(--r-md);border:1px solid rgba(246,243,238,.2);background:rgba(246,243,238,.06);color:#F6F3EE;padding:0 14px;font-size:13px;outline:none;transition:border-color var(--tr),box-shadow var(--tr)}
.footer-form input::placeholder{color:rgba(246,243,238,.4)}
.footer-form input:focus{border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(255,77,28,.2)}
.footer-form .hint{font-size:12px;color:rgba(246,243,238,.45);margin-top:8px}
.footer-bottom{margin-top:48px;padding-top:24px;border-top:1px solid rgba(246,243,238,.14);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(246,243,238,.55)}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom-links a{transition:color var(--tr)}
.footer-bottom-links a:hover{color:var(--c-brand)}

/* ============ 入场 ============ */
.js-anim .reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease-out,transform .5s ease-out}
.js-anim .reveal.is-in{opacity:1;transform:none}

@media (max-width:1024px){
  .header-inner{padding:0 28px;gap:20px}
  .nav-main{display:none}
  .nav-search{display:none}
  .icon-btn{display:none}
  .nav-burger{display:flex}
  .container,.footer-wrap,.article-shell{padding-left:28px;padding-right:28px}
  .breadcrumb-inner{padding:0 28px}
  .article-layout{grid-template-columns:1fr;gap:40px}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap}
  .aside-box{flex:1 1 260px}
  .aside-cta{flex:1 1 260px}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .cta-visual{max-width:420px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  .header-inner{height:60px;padding:0 20px;gap:12px}
  .container,.footer-wrap,.article-shell{padding-left:20px;padding-right:20px}
  .breadcrumb-inner{padding:0 20px;height:46px;font-size:12px}
  .nav-cta{padding:9px 16px;font-size:13px}
  .nav-right{gap:8px}
  .logo-text{font-size:19px}
  .logo-sub{font-size:10px}
  .article-head{padding:32px 0 26px}
  .article-head h1{font-size:28px;line-height:1.3}
  .article-body{font-size:16px;line-height:1.85}
  .article-body > p:first-of-type{font-size:17px}
  .article-body h2{margin-top:36px}
  .article-cover{margin-bottom:26px}
  .related-card img{width:76px;height:76px}
  .related-card h3{font-size:15px}
  .article-aside{flex-direction:column}
  .aside-box,.aside-cta{flex:1 1 auto;width:100%}
  .cta-band{padding:56px 0;margin-top:64px}
  .cta-visual{display:none}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .article-foot{flex-direction:column;align-items:flex-start}
}
@media (min-width:1025px){
  .mobile-drawer,.drawer-mask{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .js-anim .reveal{opacity:1 !important;transform:none !important}
}

/* roulang page: category2 */
:root{
  --c-ink:#121311;
  --c-brand:#FF4D1C;
  --c-brand-600:#E03A0C;
  --c-brand-050:#FFEDE6;
  --c-accent:#16554A;
  --c-accent-050:#E4EFEC;
  --c-bg:#F6F3EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#EDE8E0;
  --c-line:#DED8CD;
  --c-text:#121311;
  --c-text-2:#5B5F5A;
  --c-text-3:#8A8D86;
  --c-danger:#D93025;
  --c-paper-light:#F6F3EE;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,19,17,.06);
  --sh-2:0 8px 24px -12px rgba(18,19,17,.24);
  --sh-hover:0 18px 40px -18px rgba(18,19,17,.35);
  --fs-h1:clamp(32px,4.4vw,56px);
  --fs-h2:clamp(24px,2.6vw,34px);
  --tr:.24s ease-out;
  --sp-section:96px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--tr)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-.015em}
p{margin:0}
input,button,select,textarea{font-family:inherit}
:focus-visible{outline:3px solid rgba(255,77,28,.35);outline-offset:2px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 40px}
.eyebrow{display:inline-block;font-size:12px;font-weight:500;letter-spacing:.14em;color:var(--c-brand)}
.section{padding:var(--sp-section) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-size:var(--fs-h2);font-weight:700;line-height:1.25;margin-top:10px}
.section-desc{color:var(--c-text-2);font-size:15px;margin-top:10px;max-width:560px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--c-brand);padding-bottom:2px;border-bottom:2px solid transparent;transition:border-color var(--tr),color var(--tr)}
.link-arrow:hover{border-bottom-color:var(--c-brand);color:var(--c-brand-600)}
.link-arrow i{font-size:12px;transition:transform var(--tr)}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- 通用按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:14px 28px;border-radius:var(--r-pill);border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;cursor:pointer;transition:background var(--tr),color var(--tr),border-color var(--tr),transform var(--tr),box-shadow var(--tr)}
.btn-primary{background:var(--c-brand);color:#FFF6F2;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-brand-600);color:#FFF6F2;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink)}
.btn-ghost:hover{background:var(--c-surface-2);border-color:var(--c-ink)}
.btn-dark-ghost{background:transparent;border-color:rgba(246,243,238,.28);color:#F6F3EE}
.btn-dark-ghost:hover{border-color:rgba(246,243,238,.85);background:rgba(246,243,238,.08);transform:translateY(-1px)}
.btn-sm{min-height:38px;padding:10px 20px;font-size:14px}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--c-line);transition:box-shadow var(--tr)}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;height:68px;gap:20px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:28px;height:28px;border-radius:8px;background:var(--c-brand);position:relative;flex:0 0 auto;box-shadow:var(--sh-1)}
.logo-mark::after{content:"";position:absolute;top:9px;left:9px;width:10px;height:10px;border-radius:50%;background:#FFF6F2}
.logo-text{display:flex;flex-direction:column;font-size:20px;font-weight:800;line-height:1.05;letter-spacing:-.01em;color:var(--c-ink);transition:color var(--tr)}
.logo-sub{font-size:11px;font-weight:500;letter-spacing:.06em;color:var(--c-text-3);margin-top:3px}
.logo:hover .logo-text{color:var(--c-brand)}
.nav-main{display:flex;align-items:center;gap:28px;margin:0 auto}
.nav-link{position:relative;display:inline-flex;align-items:center;height:68px;font-size:15px;font-weight:500;color:var(--c-text-2);transition:color var(--tr),transform var(--tr)}
.nav-link::after{content:"";position:absolute;left:50%;bottom:18px;width:0;height:2px;border-radius:2px;background:var(--c-brand);transform:translateX(-50%);transition:width var(--tr)}
.nav-link:hover{color:var(--c-brand);transform:translateY(-1px)}
.nav-link.is-active{color:var(--c-ink);font-weight:600}
.nav-link.is-active::after{width:16px}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.command-search{display:flex;align-items:center;gap:8px;width:240px;height:38px;padding:0 8px 0 14px;background:var(--c-surface-2);border:1px solid transparent;border-radius:var(--r-pill);transition:border-color var(--tr),background var(--tr),box-shadow var(--tr)}
.command-search:focus-within{background:#fff;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(255,77,28,.14)}
.command-search i{font-size:13px;color:var(--c-text-3)}
.command-search input{flex:1;min-width:0;border:0;background:transparent;font-size:13px;color:var(--c-text);outline:none;padding:0}
.command-search input::placeholder{color:var(--c-text-3)}
.kbd{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:6px;background:#fff;border:1px solid var(--c-line);font-size:11px;color:var(--c-text-3)}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);background:#fff;color:var(--c-text-2);font-size:14px;transition:color var(--tr),border-color var(--tr),background var(--tr)}
.icon-btn:hover{color:var(--c-brand);border-color:var(--c-brand);background:var(--c-brand-050)}
.menu-toggle{display:none;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;border:1px solid var(--c-line);background:#fff;cursor:pointer;padding:0}
.menu-toggle span{display:block;width:16px;height:2px;background:var(--c-ink);position:relative;border-radius:2px}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--c-ink);border-radius:2px}
.menu-toggle span::before{top:-5px}
.menu-toggle span::after{top:5px}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(18,19,17,.4);opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:1200}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;background:#fff;z-index:1300;padding:20px 22px 32px;transform:translateX(102%);transition:transform .28s ease;overflow-y:auto;display:flex;flex-direction:column;gap:18px}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-logo{font-size:18px}
.drawer-close{width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);background:#fff;color:var(--c-text-2);cursor:pointer;font-size:15px}
.drawer-close:hover{color:var(--c-brand);border-color:var(--c-brand)}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;background:var(--c-surface-2);border-radius:var(--r-pill);border:1px solid transparent}
.drawer-search:focus-within{border-color:var(--c-brand);background:#fff}
.drawer-search i{font-size:13px;color:var(--c-text-3)}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;font-size:14px;outline:none}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{font-size:18px;line-height:56px;border-bottom:1px solid var(--c-line);color:var(--c-ink)}
.drawer-nav a.is-active{color:var(--c-brand);font-weight:600}
.drawer-cta{width:100%;margin-top:8px}

/* ---------- 榜单顶部 ---------- */
.rank-hero{position:relative;padding:64px 0 56px;background:var(--c-bg);text-align:center;overflow:hidden}
.rank-hero::before{content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.png");background-size:cover;background-position:center;opacity:.1;filter:grayscale(.4)}
.rank-hero-inner{position:relative;max-width:820px;margin:0 auto}
.rank-hero h1{font-size:var(--fs-h1);font-weight:800;line-height:1.12;letter-spacing:-.02em;margin:16px 0 18px}
.rank-hero h1 em{font-style:normal;color:var(--c-brand)}
.rank-lead{font-size:17px;color:var(--c-text-2);max-width:620px;margin:0 auto}
.segmented{display:inline-flex;gap:4px;padding:5px;background:var(--c-surface-2);border-radius:var(--r-pill);margin-top:30px;border:1px solid var(--c-line)}
.seg{border:0;background:transparent;border-radius:var(--r-pill);padding:10px 26px;font-size:14px;font-weight:600;color:var(--c-text-2);cursor:pointer;transition:background var(--tr),color var(--tr),box-shadow var(--tr)}
.seg:hover{color:var(--c-ink)}
.seg.is-active{background:var(--c-ink);color:#F6F3EE;box-shadow:var(--sh-1)}
.rank-note{font-size:13px;color:var(--c-text-3);margin-top:16px}

/* ---------- TOP3 ---------- */
.section-top3{padding-top:8px}
.top3-grid{display:grid;grid-template-columns:2fr 1fr;grid-template-rows:repeat(2,minmax(0,1fr));gap:var(--gutter)}
.rank-card{position:relative;display:block;border-radius:var(--r-lg);overflow:hidden;background:var(--c-ink);min-height:196px;border:1px solid var(--c-line);box-shadow:var(--sh-1);transition:transform .4s cubic-bezier(.2,.7,.2,1),box-shadow var(--tr),border-color var(--tr)}
.rank-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.2,1)}
.rank-card::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(18,19,17,.9),rgba(18,19,17,.28) 52%,rgba(18,19,17,.05))}
.rank-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--c-ink)}
.rank-card:hover img{transform:scale(1.04)}
.rank-card.is-main{grid-row:span 2;min-height:432px}
.rank-num{position:absolute;top:12px;left:18px;z-index:2;font-size:60px;line-height:1;font-weight:900;letter-spacing:-.03em;color:rgba(246,243,238,.94);font-variant-numeric:tabular-nums;text-shadow:0 4px 18px rgba(18,19,17,.35)}
.rank-card.is-main .rank-num{font-size:84px;top:16px;left:22px}
.rank-body{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:18px 22px 22px;color:#F6F3EE}
.rank-card.is-main .rank-body{padding:24px 26px 28px}
.rank-title{font-size:19px;font-weight:700;line-height:1.35;color:#F6F3EE;letter-spacing:-.01em}
.rank-card.is-main .rank-title{font-size:26px}
.rank-meta{font-size:13px;color:rgba(246,243,238,.72);margin-top:8px}
.rank-line{font-size:14px;color:rgba(246,243,238,.82);margin-top:10px;max-width:420px}
.rank-score{display:inline-flex;align-items:center;gap:6px;margin-top:12px;padding:4px 12px;border-radius:var(--r-pill);background:rgba(255,77,28,.92);color:#FFF6F2;font-size:12px;font-weight:600;font-variant-numeric:tabular-nums}
.rank-tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);background:var(--c-accent-050);color:var(--c-accent);font-size:12px;font-weight:500}
.rank-card .rank-tag{background:rgba(246,243,238,.16);color:#F6F3EE}

/* ---------- 04-10 长条列表 ---------- */
.section-list{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.rank-list{border-top:1px solid var(--c-line)}
.rank-row{position:relative;display:grid;grid-template-columns:56px 80px minmax(0,1fr) 200px;align-items:center;gap:20px;padding:18px 12px;border-bottom:1px solid var(--c-line);transition:background var(--tr)}
.rank-row::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;border-radius:2px;background:var(--c-brand);opacity:0;transition:opacity var(--tr)}
.rank-row:hover{background:var(--c-surface-2)}
.rank-row:hover::before{opacity:1}
.rank-index{font-size:22px;font-weight:700;color:var(--c-accent);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.rank-thumb{width:80px;height:80px;border-radius:10px;overflow:hidden;background:var(--c-surface-2)}
.rank-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.2,1)}
.rank-row:hover .rank-thumb img{transform:scale(1.06)}
.rank-info{min-width:0}
.rank-info h3{font-size:17px;font-weight:600;line-height:1.4}
.rank-info h3 a:hover{color:var(--c-brand)}
.rank-info p{font-size:13px;color:var(--c-text-3);margin-top:6px}
.rank-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.rank-heat{display:flex;flex-direction:column;gap:8px}
.heat-bar{height:6px;border-radius:var(--r-pill);background:var(--c-surface-2);overflow:hidden}
.heat-bar span{display:block;height:100%;border-radius:var(--r-pill);background:var(--c-brand)}
.heat-value{font-size:13px;color:var(--c-text-2);font-variant-numeric:tabular-nums;display:flex;justify-content:space-between}
.heat-value strong{color:var(--c-ink);font-weight:700}

/* ---------- 统计口径 ---------- */
.method-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.method-figure{margin:0;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);background:var(--c-surface);box-shadow:var(--sh-2)}
.method-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.method-figure figcaption{font-size:13px;color:var(--c-text-3);padding:12px 16px;background:var(--c-surface)}
.method-body h2{font-size:var(--fs-h2);font-weight:700;margin:12px 0 16px;line-height:1.25}
.method-body > p{color:var(--c-text-2);font-size:15px;max-width:520px}
.weight-list{margin-top:28px;display:flex;flex-direction:column;gap:20px}
.weight-item{display:grid;grid-template-columns:96px minmax(0,1fr) 56px;align-items:center;gap:16px}
.weight-name{font-size:14px;font-weight:600;color:var(--c-ink)}
.weight-bar{height:8px;border-radius:var(--r-pill);background:var(--c-surface-2);overflow:hidden}
.weight-bar span{display:block;height:100%;border-radius:var(--r-pill);background:var(--c-accent)}
.weight-val{font-size:14px;font-weight:700;color:var(--c-accent);text-align:right;font-variant-numeric:tabular-nums}
.weight-note{font-size:13px;color:var(--c-text-3);margin-top:6px;grid-column:2 / -1}

/* ---------- 适合谁看 ---------- */
.section-audience{background:var(--c-surface-2)}
.audience-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gutter)}
.audience-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1);transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr)}
.audience-card:nth-child(even){transform:translateY(32px)}
.audience-card:hover{border-color:var(--c-ink);box-shadow:var(--sh-2)}
.audience-card:nth-child(even):hover{transform:translateY(28px)}
.audience-icon{width:44px;height:44px;border-radius:12px;background:var(--c-brand-050);color:var(--c-brand-600);display:inline-flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px}
.audience-card h3{font-size:18px;font-weight:600;margin-bottom:8px}
.audience-card p{font-size:14px;color:var(--c-text-2);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{border:1px solid var(--c-line);border-radius:var(--r-md);background:var(--c-surface);margin-bottom:12px;transition:border-color var(--tr),background var(--tr),box-shadow var(--tr)}
.faq-item:hover{border-color:#C9C1B2}
.faq-item[open]{border-color:var(--c-ink);background:var(--c-surface-2);box-shadow:var(--sh-1)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:17px;font-weight:600;color:var(--c-ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;line-height:1;color:var(--c-brand);transition:transform var(--tr)}
.faq-item[open] summary::after{content:"−"}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--c-text-2)}

/* ---------- CTA ---------- */
.cta-band{background:var(--c-ink);color:#F6F3EE;padding:72px 0;position:relative;overflow:hidden}
.cta-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.cta-copy h2{font-size:clamp(26px,3vw,40px);font-weight:800;line-height:1.18;color:#F6F3EE;letter-spacing:-.02em}
.cta-copy p{font-size:16px;color:rgba(246,243,238,.66);margin-top:14px;max-width:420px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.cta-visual{border-radius:var(--r-xl);overflow:hidden;box-shadow:0 24px 48px -24px rgba(0,0,0,.6);border:1px solid rgba(246,243,238,.14)}
.cta-visual img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#F6F3EE;padding:72px 0 32px}
.footer-wrap{max-width:1280px;margin:0 auto;padding:0 40px}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1.2fr;gap:40px}
.site-footer .logo-text{color:#F6F3EE}
.site-footer .logo:hover .logo-text{color:var(--c-brand)}
.site-footer .logo-sub{color:rgba(246,243,238,.5)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(246,243,238,.66);margin:16px 0 20px;max-width:280px}
.socials{display:flex;gap:10px}
.socials a{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;border:1px solid rgba(246,243,238,.28);color:rgba(246,243,238,.72);font-size:13px;transition:color var(--tr),border-color var(--tr),background var(--tr)}
.socials a:hover{color:var(--c-brand);border-color:var(--c-brand);background:rgba(255,77,28,.12)}
.footer-col h4{font-size:14px;font-weight:600;color:#F6F3EE;margin-bottom:16px;letter-spacing:0}
.footer-col ul li a{display:inline-block;font-size:14px;line-height:2.2;color:rgba(246,243,238,.72);transition:color var(--tr),transform var(--tr)}
.footer-col ul li a:hover{color:var(--c-brand);transform:translateX(2px)}
.footer-form label{display:block;font-size:13px;color:rgba(246,243,238,.66);margin-bottom:10px}
.field{display:flex;gap:8px}
.field input{flex:1;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-md);border:1px solid rgba(246,243,238,.22);background:rgba(246,243,238,.06);color:#F6F3EE;font-size:14px;outline:none;transition:border-color var(--tr),box-shadow var(--tr),background var(--tr)}
.field input::placeholder{color:rgba(246,243,238,.45)}
.field input:focus{border-color:var(--c-brand);background:rgba(246,243,238,.1);box-shadow:0 0 0 3px rgba(255,77,28,.18)}
.hint{font-size:12px;color:rgba(246,243,238,.5);margin-top:10px}
.footer-bottom{border-top:1px solid rgba(246,243,238,.14);margin-top:48px;padding-top:24px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(246,243,238,.55)}
.footer-bottom-links{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.footer-bottom-links a{color:rgba(246,243,238,.72)}
.footer-bottom-links a:hover{color:var(--c-brand)}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001s!important;animation-duration:.001s!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .container,.footer-wrap{padding:0 28px}
  .nav-main{gap:20px}
  .command-search{width:190px}
}
@media (max-width:1024px){
  :root{--sp-section:72px}
  .nav-main{display:none}
  .command-search{display:none}
  .icon-btn{display:none}
  .menu-toggle{display:inline-flex}
  .header-actions{margin-left:auto}
  .top3-grid{grid-template-columns:1fr;grid-template-rows:none}
  .rank-card.is-main{grid-row:auto;min-height:340px}
  .rank-num{font-size:52px}
  .rank-card.is-main .rank-num{font-size:64px}
  .method-grid{grid-template-columns:1fr;gap:32px}
  .audience-grid{grid-template-columns:1fr}
  .audience-card:nth-child(even){transform:none}
  .audience-card:nth-child(even):hover{transform:translateY(-4px)}
  .audience-card:hover{transform:translateY(-4px)}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .rank-row{grid-template-columns:48px 72px minmax(0,1fr) 160px;gap:16px}
  .rank-thumb{width:72px;height:72px}
}
@media (max-width:768px){
  .rank-hero{padding:48px 0 44px}
  .section-head{align-items:flex-start;flex-direction:column;gap:12px}
  .rank-row{grid-template-columns:40px 64px minmax(0,1fr);gap:12px;padding:16px 8px}
  .rank-thumb{width:64px;height:64px}
  .rank-heat{grid-column:2 / -1;padding-top:4px}
  .rank-index{font-size:19px}
  .rank-info h3{font-size:16px}
}
@media (max-width:520px){
  .container,.footer-wrap{padding:0 20px}
  :root{--sp-section:64px}
  .header-inner{height:60px;gap:12px}
  .logo-text{font-size:18px}
  .logo-sub{font-size:10px}
  .header-cta{padding:10px 16px;font-size:13px}
  .rank-hero h1{font-size:clamp(28px,8vw,36px)}
  .segmented{width:100%;justify-content:space-between}
  .seg{flex:1;padding:10px 0;font-size:13px}
  .rank-card.is-main{min-height:280px}
  .rank-card{min-height:200px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .weight-item{grid-template-columns:80px minmax(0,1fr) 48px;gap:12px}
  .field{flex-direction:column}
  .field .btn{width:100%}
}

/* roulang page: category3 */
:root{
  --c-ink:#121311;
  --c-brand:#FF4D1C;
  --c-brand-600:#E03A0C;
  --c-brand-050:#FFEDE6;
  --c-accent:#16554A;
  --c-accent-050:#E4EFEC;
  --c-bg:#F6F3EE;
  --c-surface:#FFFFFF;
  --c-surface-2:#EDE8E0;
  --c-line:#DED8CD;
  --c-text:#121311;
  --c-text-2:#5B5F5A;
  --c-text-3:#8A8D86;
  --c-danger:#D93025;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,19,17,.06);
  --sh-2:0 8px 24px -12px rgba(18,19,17,.24);
  --sh-hover:0 18px 40px -18px rgba(18,19,17,.35);
  --sp-section:96px;
  --t:.24s ease-out;
  --font:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
input[type="search"]::-webkit-search-cancel-button{-webkit-appearance:none}
:focus-visible{outline:3px solid rgba(255,77,28,.32);outline-offset:2px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 40px}
.section{padding:var(--sp-section) 0}
.eyebrow{
  font-size:12px;font-weight:500;letter-spacing:.14em;color:var(--c-brand);
  margin:0 0 14px;text-align:center;
}
.sec-head{margin-bottom:36px}
.sec-head .eyebrow{text-align:left}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.25;letter-spacing:-0.01em}
.sec-head p{margin-top:10px;color:var(--c-text-2);font-size:15px;max-width:640px}

/* ============ 顶栏导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-shell{
  max-width:1280px;margin:0 auto;padding:0 40px;height:68px;
  display:flex;align-items:center;gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:28px;height:28px;border-radius:8px;background:var(--c-brand);
  position:relative;flex-shrink:0;box-shadow:var(--sh-1);
}
.logo-mark::after{
  content:"";position:absolute;right:5px;bottom:5px;
  width:10px;height:10px;border-radius:50%;background:#FFE7DE;
}
.logo-text{
  display:flex;flex-direction:column;line-height:1.1;
  font-size:20px;font-weight:800;letter-spacing:-0.01em;color:var(--c-ink);
  transition:color var(--t);
}
.logo-sub{font-size:10px;font-weight:600;letter-spacing:.08em;color:var(--c-text-3);margin-top:2px}
.logo:hover .logo-text{color:var(--c-brand)}
.logo:hover .logo-sub{color:var(--c-brand-600)}
.nav-main{display:flex;align-items:center;gap:28px;margin-left:12px}
.nav-link{
  position:relative;padding:6px 0;font-size:15px;font-weight:500;color:var(--c-text-2);
  transition:color var(--t),transform var(--t);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:-2px;width:0;height:2px;
  background:var(--c-brand);border-radius:2px;transform:translateX(-50%);
  transition:width var(--t);
}
.nav-link:hover{color:var(--c-brand);transform:translateY(-1px)}
.nav-link:hover::after{width:16px}
.nav-link.is-active{color:var(--c-ink);font-weight:700}
.nav-link.is-active::after{width:16px}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;width:240px;height:38px;
  padding:0 10px 0 14px;border-radius:var(--r-pill);
  background:var(--c-surface-2);border:1px solid transparent;
  transition:border-color var(--t),background var(--t);
}
.nav-search:focus-within{border-color:var(--c-brand);background:#fff;box-shadow:0 0 0 3px rgba(255,77,28,.16)}
.nav-search i{font-size:13px;color:var(--c-text-3)}
.nav-search input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;
  font-size:13px;outline:none;
}
.nav-search input::placeholder{color:var(--c-text-3)}
.kbd{
  flex-shrink:0;display:flex;align-items:center;justify-content:center;
  width:22px;height:22px;border-radius:6px;background:#fff;border:1px solid var(--c-line);
  font-size:11px;color:var(--c-text-3);font-variant-numeric:tabular-nums;
}
.icon-btn{
  width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);background:transparent;color:var(--c-text-2);
  transition:all var(--t);
}
.icon-btn:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-1px)}
.menu-toggle{
  display:none;width:36px;height:36px;border-radius:var(--r-md);
  border:1px solid var(--c-line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.menu-toggle span{display:block;width:16px;height:2px;background:var(--c-ink);border-radius:2px;transition:var(--t)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;padding:13px 28px;
  text-decoration:none;transition:all var(--t);white-space:nowrap;
}
.btn-primary{background:var(--c-brand);color:#FFF6F1;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-brand-600);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-primary:focus-visible{box-shadow:0 0 0 3px rgba(255,77,28,.24)}
.btn-ghost{background:transparent;color:var(--c-ink);border-color:var(--c-line)}
.btn-ghost:hover{background:var(--c-surface-2);border-color:var(--c-ink)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
.btn-light-ghost{background:transparent;color:#F6F3EE;border-color:rgba(246,243,238,.28)}
.btn-light-ghost:hover{border-color:#F6F3EE;background:rgba(246,243,238,.08);transform:translateY(-1px)}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,19,17,.4);z-index:1090;
  opacity:0;pointer-events:none;transition:opacity .28s ease-out;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:1100;
  background:#fff;padding:22px 22px 28px;display:flex;flex-direction:column;gap:18px;
  transform:translateX(102%);transition:transform .28s ease-out;
  box-shadow:-18px 0 40px -24px rgba(18,19,17,.4);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--c-text-2);
}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--c-surface-2);
}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--c-line)}
.drawer-nav a{
  padding:16px 4px;font-size:18px;font-weight:600;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between;
}
.drawer-nav a i{font-size:13px;color:var(--c-text-3)}
.drawer-nav a.is-active{color:var(--c-brand)}
.drawer .btn{width:100%;margin-top:auto}

/* ============ 页面首屏 ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  padding:76px 0 66px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(18,19,17,.07) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.7;-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  pointer-events:none;
}
.hero-inner{position:relative;max-width:860px;margin:0 auto;padding:0 40px;text-align:center}
.hero-inner h1{
  font-size:clamp(34px,4.4vw,56px);font-weight:800;line-height:1.1;letter-spacing:-0.02em;
}
.hero-inner h1 em{font-style:normal;color:var(--c-brand)}
.hero-sub{margin:16px auto 0;max-width:560px;font-size:16px;color:var(--c-text-2)}

/* 命令式搜索条 */
.cmd-search{
  display:flex;align-items:center;gap:8px;
  width:min(560px,100%);margin:30px auto 0;
  padding:8px 8px 8px 20px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);
  box-shadow:var(--sh-2);
  transition:border-color var(--t),box-shadow var(--t);
}
.cmd-search:focus-within{border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(255,77,28,.16),var(--sh-2)}
.cmd-search > i{font-size:15px;color:var(--c-text-3);flex-shrink:0}
.cmd-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:15px;padding:8px 0;
}
.cmd-search input::placeholder{color:var(--c-text-3);font-size:14px}
.cmd-search .btn{padding:11px 24px;font-size:14px}

.hero-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:24px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-2);transition:all var(--t);
}
.chip:hover{border-color:var(--c-brand);color:var(--c-brand-600);background:var(--c-brand-050);transform:translateY(-1px)}
.chip i{font-size:11px;color:var(--c-text-3)}
.chip:hover i{color:var(--c-brand)}

/* ============ 索引 + 瀑布 ============ */
.index-section{padding:80px 0 24px}
.index-layout{display:grid;grid-template-columns:200px minmax(0,1fr);gap:48px;align-items:start}
.index-nav{
  position:sticky;top:92px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:18px 12px;box-shadow:var(--sh-1);
}
.index-title{
  font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--c-text-3);
  padding-left:14px;margin-bottom:12px;
}
.index-nav ul{display:flex;flex-direction:column;gap:2px}
.index-nav a{
  display:block;padding:9px 14px;font-size:14px;color:var(--c-text-2);
  border-left:2px solid transparent;border-radius:0 8px 8px 0;
  transition:all var(--t);white-space:nowrap;
}
.index-nav a:hover{background:var(--c-surface-2);color:var(--c-ink)}
.index-nav a.is-active{
  border-left-color:var(--c-brand);background:var(--c-brand-050);
  color:var(--c-brand-600);font-weight:600;
}
.index-content{min-width:0}
.group-head{margin-bottom:26px;scroll-margin-top:100px}
.group-head + .waterfall{margin-top:0}
.group-head h2{
  font-size:clamp(23px,2.4vw,30px);font-weight:700;letter-spacing:-0.01em;line-height:1.3;
  display:flex;align-items:center;gap:12px;
}
.group-head h2::before{
  content:"";width:4px;height:22px;border-radius:2px;background:var(--c-brand);flex-shrink:0;
}
.group-head p{margin-top:8px;font-size:14px;color:var(--c-text-2)}
.group-block + .group-block{margin-top:44px}

.waterfall{column-count:2;column-gap:24px}
.gc{
  display:inline-block;width:100%;break-inside:avoid;
  margin:0 0 24px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .4s cubic-bezier(.2,.7,.2,1),box-shadow .3s ease-out,border-color var(--t);
}
.gc:hover{transform:translateY(-4px);border-color:var(--c-ink);box-shadow:var(--sh-2)}
.gc-media{overflow:hidden;background:var(--c-surface-2)}
.gc-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s cubic-bezier(.2,.7,.2,1);
}
.gc:hover .gc-media img{transform:scale(1.04)}
.gc-media--wide{aspect-ratio:16/9}
.gc-media--tall{aspect-ratio:4/3}
.gc-media--square{aspect-ratio:1/1}
.gc-body{padding:18px 20px 20px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:500;
  background:var(--c-brand-050);color:var(--c-brand-600);
}
.tag--accent{background:var(--c-accent-050);color:var(--c-accent)}
.tag--neutral{background:var(--c-surface-2);color:var(--c-text-2)}
.gc-title{font-size:18px;font-weight:700;line-height:1.42;margin:10px 0 8px;letter-spacing:-0.01em}
.gc-desc{font-size:14px;color:var(--c-text-2);line-height:1.7;margin-bottom:14px}
.gc-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding-top:12px;border-top:1px solid var(--c-line);
  font-size:12px;color:var(--c-text-3);font-variant-numeric:tabular-nums;
}
.gc-meta i{margin-right:4px}
.gc.is-hidden{display:none}

.load-wrap{text-align:center;padding:8px 0 64px}
.btn-load{min-width:240px}

/* ============ 检索流程 ============ */
.steps-section{
  background:var(--c-surface);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:8px}
.step{
  position:relative;padding:28px 26px 26px;
  background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-lg);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step:hover{transform:translateY(-4px);border-color:var(--c-ink);box-shadow:var(--sh-2)}
.step-num{
  font-size:34px;font-weight:800;color:var(--c-accent);letter-spacing:-0.03em;
  font-variant-numeric:tabular-nums;line-height:1;margin-bottom:14px;display:block;
}
.step h3{font-size:18px;font-weight:700;margin-bottom:8px}
.step p{font-size:14px;color:var(--c-text-2);line-height:1.75}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px;margin:0 auto}
.faq-item{
  border:1px solid var(--c-line);border-radius:var(--r-md);background:var(--c-surface);
  overflow:hidden;transition:border-color var(--t),background var(--t);
}
.faq-item[open]{border-color:var(--c-ink);background:var(--c-surface-2)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 52px 18px 20px;position:relative;
  font-size:17px;font-weight:600;line-height:1.55;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:20px;top:50%;width:12px;height:2px;
  background:var(--c-brand);border-radius:2px;transform:translateY(-50%);
  transition:transform var(--t);
}
.faq-item summary::before{
  content:"";position:absolute;right:25px;top:50%;width:2px;height:12px;
  background:var(--c-brand);border-radius:2px;transform:translateY(-50%);
  transition:transform var(--t),opacity var(--t);
}
.faq-item[open] summary::before{transform:translateY(-50%) rotate(90deg);opacity:0}
.faq-body{padding:0 20px 20px;font-size:15px;color:var(--c-text-2);line-height:1.85}
.faq-body a{color:var(--c-brand-600);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--c-ink) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#F6F3EE;
}
.cta-band::before{
  content:"";position:absolute;inset:0;background:rgba(18,19,17,.86);
}
.cta-inner{
  position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;
  padding:80px 0;
}
.cta-copy .eyebrow{color:#FF9A7A;text-align:left}
.cta-copy h2{
  font-size:clamp(26px,3vw,40px);font-weight:800;line-height:1.18;letter-spacing:-0.02em;
  color:#F6F3EE;
}
.cta-copy p{margin-top:14px;font-size:16px;color:rgba(246,243,238,.7);max-width:460px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-visual{position:relative}
.cta-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl);
  box-shadow:0 24px 60px -28px rgba(0,0,0,.8);
}
.cta-visual .float-badge{
  position:absolute;left:-18px;bottom:24px;
  background:#F6F3EE;color:var(--c-ink);border-radius:var(--r-md);
  padding:12px 18px;font-size:13px;font-weight:600;box-shadow:var(--sh-2);
}
.cta-visual .float-badge strong{
  display:block;font-size:22px;font-weight:800;color:var(--c-brand);font-variant-numeric:tabular-nums;
}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:#F6F3EE;padding:72px 0 32px}
.footer-wrap{max-width:1280px;margin:0 auto;padding:0 40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-text{color:#F6F3EE}
.footer-brand .logo-sub{color:rgba(246,243,238,.6)}
.footer-brand p{font-size:14px;color:rgba(246,243,238,.66);max-width:280px}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{
  width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(246,243,238,.2);color:rgba(246,243,238,.8);font-size:13px;
  transition:all var(--t);
}
.socials a:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px)}
.footer-col h4{
  font-size:14px;font-weight:700;letter-spacing:.06em;margin-bottom:18px;color:#F6F3EE;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{
  font-size:14px;color:rgba(246,243,238,.72);transition:all var(--t);display:inline-block;
}
.footer-col a:hover{color:var(--c-brand);transform:translateX(2px)}
.footer-form label{display:block;font-size:12px;font-weight:500;color:rgba(246,243,238,.6);margin-bottom:10px}
.footer-form .field{display:flex;gap:8px}
.footer-form input{
  flex:1;min-width:0;height:44px;border-radius:var(--r-md);
  border:1px solid rgba(246,243,238,.22);background:rgba(246,243,238,.06);
  padding:0 14px;font-size:14px;color:#F6F3EE;outline:none;transition:all var(--t);
}
.footer-form input::placeholder{color:rgba(246,243,238,.42)}
.footer-form input:focus{border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(255,77,28,.16);background:rgba(246,243,238,.1)}
.footer-form .hint{font-size:12px;color:rgba(246,243,238,.46);margin-top:10px}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(246,243,238,.14);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(246,243,238,.56);
}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom-links a{color:rgba(246,243,238,.72);transition:color var(--t)}
.footer-bottom-links a:hover{color:var(--c-brand)}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .nav-search{width:190px}
  .nav-main{gap:20px}
  .index-layout{gap:32px}
}
@media (max-width:1024px){
  :root{--sp-section:72px}
  .nav-shell{padding:0 28px;height:64px}
  .container,.footer-wrap{padding:0 28px}
  .nav-main,.nav-search,.nav-cta{display:none}
  .menu-toggle{display:flex}
  .icon-btn{display:none}
  .index-layout{grid-template-columns:1fr;gap:28px}
  .index-nav{position:static;padding:14px;top:auto}
  .index-nav ul{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:4px;scrollbar-width:none}
  .index-nav ul::-webkit-scrollbar{display:none}
  .index-nav a{
    border-left:0;border:1px solid var(--c-line);border-radius:var(--r-pill);
    padding:8px 16px;font-size:13px;
  }
  .index-nav a.is-active{border-color:var(--c-brand);background:var(--c-brand-050)}
  .index-title{display:none}
  .steps{grid-template-columns:1fr;gap:16px}
  .cta-inner{grid-template-columns:1fr;gap:36px;padding:64px 0}
  .cta-visual{max-width:520px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .page-hero{padding:60px 0 54px}
  .hero-inner{padding:0 28px}
}
@media (max-width:768px){
  .container,.footer-wrap,.nav-shell,.hero-inner{padding:0 20px}
  .waterfall{column-count:1}
  .hero-inner h1{font-size:clamp(30px,7.4vw,40px)}
  .hero-sub{font-size:15px}
  .cmd-search{padding:6px 6px 6px 16px;margin-top:24px}
  .cmd-search input{font-size:14px}
  .cmd-search .btn{padding:10px 18px;font-size:13px}
  .gc-title{font-size:17px}
  .cta-copy h2{font-size:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section{padding:64px 0}
  .index-section{padding:56px 0 16px}
}
@media (max-width:520px){
  .nav-shell{height:60px}
  .logo-text{font-size:19px}
  .footer-grid{grid-template-columns:1fr}
  .hero-chips{gap:8px}
  .chip{font-size:12px;padding:7px 13px}
  .cta-visual .float-badge{left:0}
  .footer-form .field{flex-direction:column}
  .footer-form input{width:100%}
  .footer-form .btn{width:100%}
  .faq-item summary{font-size:16px;padding:16px 48px 16px 16px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}