/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --bg-0:#0C0B12;
  --bg-1:#14131B;
  --bg-2:#1D1C26;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --primary:#FF6A2B;
  --primary-hover:#FF8347;
  --primary-active:#E85A1D;
  --accent:#2FE0B8;
  --paper:#F5F1EA;
  --ink-on-paper:#16151C;
  --ink-1:#F2F0F0;
  --ink-2:#A5A2AE;
  --ink-3:#6E6B7A;
  --ok:#2FE0B8;
  --warn:#FFB020;
  --err:#FF4D5E;
  --r-poster:14px;
  --r-card:18px;
  --r-btn:10px;
  --r-pill:999px;
  --r-cta:24px;
  --sec-y:88px;
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Barlow",Inter,"PingFang SC",system-ui,sans-serif;
  --t:220ms cubic-bezier(.4,0,.2,1);
  --shadow-card:0 18px 40px -18px rgba(255,106,43,.45);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-1);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select{font-family:inherit;font-size:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--sec-y) 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:34px;
}
.section-title{
  font-size:clamp(22px,2.6vw,32px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.01em;
}
.section-lead{
  font-size:15px;
  color:var(--ink-2);
  line-height:1.7;
  max-width:640px;
  margin-top:10px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--ink-2);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;
  background:var(--primary);
  border-radius:2px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:transform var(--t),background var(--t),border-color var(--t),color var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn-primary{
  background:var(--primary);
  color:#0C0B12;
}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);}
.btn-primary:active{background:var(--primary-active);transform:translateY(0);}
.btn-ghost{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--ink-1);
}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.26);}
.btn-ghost:active{background:rgba(255,255,255,.1);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-size:14px;
  font-weight:600;
  transition:color var(--t);
}
.btn-text svg{transition:transform var(--t);}
.btn-text:hover{color:var(--primary-hover);}
.btn-text:hover svg{transform:translateX(4px);}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  border-bottom:1px solid transparent;
  transition:background var(--t),border-color var(--t),backdrop-filter var(--t);
}
.site-header.is-solid{
  background:rgba(12,11,18,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:19px;
  letter-spacing:-.01em;
  flex-shrink:0;
}
.brand-mark{
  width:32px;height:32px;
  border-radius:9px;
  background:linear-gradient(140deg,var(--primary),#B33F12);
  display:grid;
  place-items:center;
  font-family:var(--font-num);
  font-size:15px;
  font-weight:700;
  color:#0C0B12;
  flex-shrink:0;
}
.brand span.dot{color:var(--primary);}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:6px;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 14px;
  border-radius:var(--r-btn);
  font-size:15px;
  color:var(--ink-2);
  transition:color var(--t),background var(--t);
}
.nav-link:hover{color:var(--ink-1);background:rgba(255,255,255,.05);}
.nav-link.is-active{color:var(--ink-1);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:999px;
  background:var(--primary);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.icon-btn{
  width:40px;height:40px;
  display:grid;
  place-items:center;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  color:var(--ink-2);
  transition:color var(--t),border-color var(--t),background var(--t);
}
.icon-btn:hover{color:var(--ink-1);border-color:var(--line-strong);background:rgba(255,255,255,.05);}
.burger{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  place-items:center;
  gap:5px;
}
.burger i{
  display:block;
  width:18px;height:2px;
  background:var(--ink-1);
  border-radius:2px;
  transition:transform var(--t),opacity var(--t);
}
.burger.is-open i:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.is-open i:nth-child(2){opacity:0;}
.burger.is-open i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 移动端抽屉 */
.drawer{
  position:fixed;
  inset:0;
  z-index:110;
  background:rgba(12,11,18,.98);
  backdrop-filter:blur(8px);
  padding:100px 24px 32px;
  display:flex;
  flex-direction:column;
  transform:translateY(-8px);
  opacity:0;
  pointer-events:none;
  transition:opacity var(--t),transform var(--t);
}
.drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
.drawer-group{
  font-size:12px;
  letter-spacing:.14em;
  color:var(--ink-3);
  margin:0 0 10px;
}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-link{
  display:flex;
  align-items:center;
  height:48px;
  padding:0 14px;
  border-radius:var(--r-btn);
  font-size:17px;
  color:var(--ink-1);
  border-bottom:1px solid rgba(255,255,255,.05);
}
.drawer-link.is-active{color:var(--primary);}
.drawer-foot{margin-top:auto;padding-top:24px;}

/* ============ Hero ============ */
.hero{
  position:relative;
  min-height:86vh;
  display:flex;
  align-items:flex-end;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,11,18,.82) 0%,rgba(12,11,18,.42) 34%,rgba(12,11,18,.86) 78%,var(--bg-0) 100%);
}
.hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:120px;
  background:linear-gradient(180deg,rgba(12,11,18,0),var(--bg-0));
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  padding-top:150px;
  padding-bottom:56px;
  width:100%;
}
.hero-copy{max-width:640px;}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 15px;
  border-radius:var(--r-pill);
  border:1px solid rgba(47,224,184,.45);
  color:var(--accent);
  font-size:12.5px;
  letter-spacing:.06em;
  margin-bottom:22px;
}
.hero-badge b{
  font-family:var(--font-num);
  font-weight:700;
  color:var(--accent);
}
.hero-title{
  font-size:clamp(30px,5vw,56px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.02em;
}
.hero-title em{
  font-style:normal;
  color:var(--primary);
}
.hero-sub{
  margin-top:20px;
  font-size:17px;
  line-height:1.75;
  color:var(--ink-2);
  max-width:560px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:34px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:26px;
  margin-top:38px;
  padding-top:22px;
  border-top:1px solid var(--line);
  max-width:620px;
}
.hero-meta div{font-size:13px;color:var(--ink-2);}
.hero-meta strong{
  display:block;
  font-family:var(--font-num);
  font-size:22px;
  font-weight:700;
  color:var(--ink-1);
  letter-spacing:-.01em;
}
.hero-scroll{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  gap:14px;
  padding:0 24px 26px;
  max-width:1240px;
  margin:0 auto;
  font-size:13px;
  color:var(--ink-3);
}
.hero-scroll .track{
  flex:1;
  height:2px;
  background:rgba(255,255,255,.1);
  border-radius:2px;
  overflow:hidden;
}
.hero-scroll .track i{
  display:block;
  height:100%;
  width:32%;
  background:var(--primary);
  border-radius:2px;
  animation:slidebar 4.6s ease-in-out infinite;
}
@keyframes slidebar{
  0%{transform:translateX(-100%);}
  100%{transform:translateX(320%);}
}

/* ============ 横滑片库 ============ */
.rail-wrap{position:relative;}
.rail{
  display:flex;
  gap:18px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:4px 24px 18px;
  margin:0 -24px;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none;}
.poster-card{
  flex:0 0 auto;
  width:168px;
  scroll-snap-align:start;
}
.poster-media{
  position:relative;
  aspect-ratio:2/3;
  border-radius:var(--r-poster);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg-2);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.poster-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 240ms ease-out;
}
.poster-card:hover .poster-media{
  transform:translateY(-4px);
  box-shadow:0 0 0 1px var(--primary),var(--shadow-card);
}
.poster-card:hover .poster-media img{transform:scale(1.03);}
.poster-tag{
  position:absolute;
  top:10px;left:10px;
  padding:4px 9px;
  border-radius:var(--r-pill);
  background:var(--primary);
  color:#0C0B12;
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.02em;
}
.poster-overlay{
  position:absolute;
  inset:auto 0 0 0;
  padding:34px 12px 12px;
  background:linear-gradient(180deg,rgba(12,11,18,0),rgba(12,11,18,.92));
  opacity:0;
  transition:opacity var(--t);
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:8px;
}
.poster-card:hover .poster-overlay{opacity:1;}
.poster-play{
  width:34px;height:34px;
  border-radius:50%;
  background:rgba(47,224,184,.16);
  border:1px solid rgba(47,224,184,.55);
  display:grid;
  place-items:center;
  color:var(--accent);
  flex-shrink:0;
}
.poster-overlay p{font-size:12px;color:var(--ink-2);line-height:1.5;}
.poster-title{
  margin-top:12px;
  font-size:15px;
  font-weight:600;
  line-height:1.45;
  overflow:hidden;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
}
.poster-sub{
  margin-top:5px;
  font-size:12.5px;
  color:var(--ink-2);
  letter-spacing:.02em;
}
.rail-arrow{
  position:absolute;
  top:calc(50% - 40px);
  width:42px;height:42px;
  border-radius:50%;
  background:rgba(20,19,27,.92);
  border:1px solid var(--line-strong);
  color:var(--ink-1);
  display:grid;
  place-items:center;
  z-index:5;
  transition:background var(--t),border-color var(--t),color var(--t);
}
.rail-arrow:hover{background:var(--primary);border-color:var(--primary);color:#0C0B12;}
.rail-arrow.prev{left:-8px;}
.rail-arrow.next{right:-8px;}

/* ============ 热播推荐 ============ */
.hot-grid{
  display:grid;
  grid-template-columns:1.12fr 1fr;
  gap:32px;
  align-items:stretch;
}
.hot-feature{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  min-height:400px;
  background:var(--bg-1);
  display:flex;
  align-items:flex-end;
}
.hot-feature img{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;
}
.hot-feature::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,11,18,.15) 0%,rgba(12,11,18,.78) 62%,rgba(12,11,18,.96) 100%);
}
.hot-feature-body{
  position:relative;
  z-index:2;
  padding:30px;
  width:100%;
}
.hot-feature-body h3{
  font-size:24px;
  font-weight:700;
  line-height:1.35;
  margin-top:14px;
}
.hot-feature-body p{
  margin-top:12px;
  font-size:14.5px;
  color:var(--ink-2);
  max-width:460px;
}
.hot-feature-body .btn{margin-top:22px;}
.hot-list{display:flex;flex-direction:column;justify-content:center;}
.hot-item{
  display:grid;
  grid-template-columns:66px 1fr auto;
  align-items:center;
  gap:16px;
  padding:17px 12px;
  border-bottom:1px solid rgba(255,255,255,.07);
  border-radius:8px;
  transition:background var(--t),transform var(--t);
}
.hot-item:first-child{border-top:1px solid rgba(255,255,255,.07);}
.hot-item:hover{background:var(--bg-1);transform:translateX(4px);}
.hot-num{
  font-family:var(--font-num);
  font-size:30px;
  font-weight:800;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1px var(--primary);
  letter-spacing:-.02em;
}
.hot-item:hover .hot-num{color:var(--primary);-webkit-text-stroke:0;}
.hot-item h3{
  font-size:16.5px;
  font-weight:600;
  line-height:1.4;
  overflow:hidden;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
}
.hot-item p{
  margin-top:5px;
  font-size:13px;
  color:var(--ink-2);
}
.hot-meta{
  font-size:12.5px;
  color:var(--ink-2);
  letter-spacing:.02em;
  padding:6px 12px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  white-space:nowrap;
}

/* ============ 片单分区（纸色反转） ============ */
.paper-section{
  background:var(--paper);
  color:var(--ink-on-paper);
  padding:var(--sec-y) 0;
}
.paper-section .eyebrow{color:#6B6675;}
.paper-section .eyebrow::before{background:var(--primary-active);}
.paper-section .section-lead{color:#5C5866;}
.tabs{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding-bottom:6px;
  margin-bottom:26px;
  scrollbar-width:none;
}
.tabs::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;
  padding:9px 20px;
  border-radius:var(--r-pill);
  border:1px solid rgba(22,21,28,.14);
  background:transparent;
  color:#4A4653;
  font-size:14px;
  font-weight:500;
  transition:background var(--t),color var(--t),border-color var(--t);
}
.tab:hover{border-color:rgba(22,21,28,.3);}
.tab.is-active{
  background:var(--primary);
  border-color:var(--primary);
  color:#0C0B12;
  font-weight:600;
}
.tab-hint{
  font-size:13.5px;
  color:#6B6675;
  margin-bottom:22px;
}
.paper-row{
  display:grid;
  gap:20px;
}
.paper-row.wide{grid-template-columns:repeat(2,1fr);}
.paper-row.tall{grid-template-columns:repeat(3,1fr);margin-top:20px;}
.paper-card{
  background:#FFFFFF;
  border:1px solid rgba(22,21,28,.08);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:inset 0 -10px 24px -18px rgba(22,21,28,.28);
  transition:transform var(--t),box-shadow var(--t);
}
.paper-card:hover{
  transform:translateY(-4px);
  box-shadow:0 18px 38px -20px rgba(22,21,28,.45);
}
.paper-card .thumb{
  position:relative;
  overflow:hidden;
  background:#E7E2D9;
}
.paper-card .thumb img{width:100%;height:100%;object-fit:cover;}
.paper-row.wide .thumb{aspect-ratio:16/9;}
.paper-row.tall .thumb{aspect-ratio:4/3;}
.paper-card .body{padding:18px 20px 20px;}
.paper-card h3{
  font-size:17.5px;
  font-weight:600;
  line-height:1.45;
  overflow:hidden;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
}
.paper-card p{
  margin-top:8px;
  font-size:14px;
  color:#5C5866;
  line-height:1.7;
}
.chip{
  display:inline-block;
  padding:4px 11px;
  border-radius:var(--r-pill);
  font-size:12px;
  letter-spacing:.02em;
  border:1px solid rgba(22,21,28,.14);
  color:#4A4653;
}
.chip-accent{
  border-color:rgba(47,224,184,.7);
  color:#0F7A62;
  background:rgba(47,224,184,.1);
}
.paper-line{
  display:flex;
  align-items:center;
  gap:16px;
  margin-top:20px;
  padding:16px 20px;
  background:#FFFFFF;
  border:1px solid rgba(22,21,28,.08);
  border-radius:var(--r-card);
  transition:transform var(--t);
}
.paper-line:hover{transform:translateX(4px);}
.paper-line img{
  width:120px;height:68px;
  object-fit:cover;
  border-radius:10px;
  flex-shrink:0;
}
.paper-line .txt{flex:1;min-width:0;}
.paper-line h4{font-size:16px;font-weight:600;}
.paper-line p{font-size:13.5px;color:#5C5866;margin-top:5px;}
.paper-line .go{
  font-size:13.5px;
  font-weight:600;
  color:var(--primary-active);
  white-space:nowrap;
}

/* ============ 数据 / 证据 ============ */
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.stat-card{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 22px;
  transition:border-color var(--t),transform var(--t);
}
.stat-card:hover{border-color:var(--line-strong);transform:translateY(-4px);}
.stat-card strong{
  display:block;
  font-family:var(--font-num);
  font-size:34px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--primary);
  line-height:1.1;
}
.stat-card span{
  display:block;
  margin-top:10px;
  font-size:14px;
  color:var(--ink-2);
  line-height:1.65;
}
.quote-row{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin-top:22px;
}
.quote-card{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
}
.quote-card p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.quote-card footer{
  margin-top:16px;
  font-size:13px;
  color:var(--ink-3);
  letter-spacing:.02em;
}

/* ============ 最新信息（CMS） ============ */
.news-list{
  border-top:1px solid rgba(255,255,255,.07);
}
.news-item{
  display:grid;
  grid-template-columns:120px 1fr;
  gap:20px;
  padding:20px 12px;
  border-bottom:1px solid rgba(255,255,255,.07);
  border-radius:10px;
  transition:background var(--t);
}
.news-item:hover{background:var(--bg-1);}
.news-thumb{
  width:120px;height:68px;
  border-radius:10px;
  overflow:hidden;
  background:var(--bg-2);
  flex-shrink:0;
}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-body{min-width:0;}
.news-title{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  overflow:hidden;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
}
.news-item:hover .news-title{color:var(--primary-hover);}
.news-desc{
  margin-top:8px;
  font-size:14px;
  color:var(--ink-2);
  line-height:1.7;
  overflow:hidden;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
}
.news-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-top:12px;
  font-size:12.5px;
  color:var(--ink-2);
  letter-spacing:.02em;
}
.badge{
  display:inline-block;
  padding:3px 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  letter-spacing:.02em;
  border:1px solid rgba(47,224,184,.5);
  color:var(--accent);
}
.badge-solid{
  border-color:transparent;
  background:var(--primary);
  color:#0C0B12;
  font-weight:600;
}
.empty{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
  padding:56px 24px;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-card);
  text-align:center;
}
.empty svg{color:var(--ink-3);}
.empty p{font-size:14.5px;color:var(--ink-2);}

/* ============ FAQ（纸色） ============ */
.faq-section{
  background:var(--paper);
  color:var(--ink-on-paper);
  padding:var(--sec-y) 0;
}
.faq-section .eyebrow{color:#6B6675;}
.faq-section .eyebrow::before{background:var(--primary-active);}
.faq-section .section-lead{color:#5C5866;}
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:#FFFFFF;
  border:1px solid rgba(22,21,28,.1);
  border-radius:var(--r-card);
  margin-bottom:12px;
  overflow:hidden;
}
.faq-q{
  width:100%;
  min-height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:14px 22px;
  font-size:16.5px;
  font-weight:600;
  text-align:left;
  color:var(--ink-on-paper);
  transition:color var(--t);
}
.faq-q:hover{color:var(--primary-active);}
.faq-icon{
  position:relative;
  width:20px;height:20px;
  flex-shrink:0;
  transition:transform 300ms ease-out;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--primary-active);
  border-radius:2px;
}
.faq-icon::before{top:9px;left:0;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;transition:opacity 300ms ease-out;}
.faq-item.is-open .faq-icon{transform:rotate(90deg);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 300ms ease-out;
}
.faq-a p{
  padding:0 22px 22px;
  font-size:14.5px;
  line-height:1.85;
  color:#4A4653;
}

/* ============ CTA ============ */
.cta-band{
  border-radius:var(--r-cta);
  padding:44px 46px;
  background:linear-gradient(115deg,var(--primary) 0%,#C7480F 46%,var(--bg-1) 100%);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{
  font-size:clamp(21px,2.4vw,29px);
  font-weight:700;
  line-height:1.35;
  color:#FFF6F0;
  letter-spacing:-.01em;
}
.cta-band p{
  margin-top:10px;
  font-size:15px;
  color:rgba(255,246,240,.82);
  max-width:520px;
}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn-primary{background:#0C0B12;color:#FFF6F0;}
.cta-band .btn-primary:hover{background:#1D1C26;}
.cta-band .btn-ghost{border-color:rgba(255,246,240,.45);color:#FFF6F0;}
.cta-band .btn-ghost:hover{background:rgba(255,246,240,.14);}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid var(--line);
  padding:64px 0 26px;
  background:var(--bg-0);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{
  font-size:14px;
  color:var(--ink-2);
  line-height:1.8;
  max-width:320px;
}
.footer-col h4{
  font-size:13px;
  letter-spacing:.12em;
  color:var(--ink-3);
  font-weight:600;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{
  font-size:14.5px;
  color:var(--ink-2);
  transition:color var(--t);
}
.footer-col a:hover{color:var(--primary);}
.footer-contact li{
  font-size:14.5px;
  color:var(--ink-2);
  line-height:1.8;
}
.footer-contact strong{color:var(--ink-1);font-weight:600;}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:12px;
  color:var(--ink-3);
  letter-spacing:.02em;
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .rail-arrow{display:none;}
  .hot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:1024px){
  :root{--sec-y:64px;}
  .nav-links,.nav-actions .btn{display:none;}
  .burger{display:grid;}
  .hero{min-height:72vh;}
  .hero-inner{padding-top:120px;}
  .hot-grid{grid-template-columns:1fr;}
  .hot-feature{min-height:320px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .quote-row{grid-template-columns:1fr;}
  .paper-row.wide{grid-template-columns:1fr;}
  .paper-row.tall{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--sec-y:48px;}
  .container{padding:0 16px;}
  .hero{min-height:62vh;}
  .hero-inner{padding-top:108px;padding-bottom:36px;}
  .hero-sub{font-size:15.5px;}
  .hero-meta{gap:20px;}
  .hero-meta strong{font-size:19px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .hot-feature-body{padding:22px;}
  .hot-item{grid-template-columns:52px 1fr;gap:12px;}
  .hot-meta{display:none;}
  .hot-num{font-size:24px;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .stat-card{padding:20px 16px;}
  .stat-card strong{font-size:27px;}
  .paper-row.tall{grid-template-columns:1fr;}
  .news-item{grid-template-columns:1fr;gap:14px;}
  .news-thumb{width:100%;height:auto;aspect-ratio:16/9;}
  .paper-line{flex-direction:column;align-items:flex-start;}
  .paper-line img{width:100%;height:auto;aspect-ratio:16/9;}
  .cta-band{padding:30px 24px;border-radius:18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .faq-q{font-size:15.5px;padding:12px 18px;}
}
@media (max-width:520px){
  .hero-title{font-size:30px;}
  .hero-actions .btn{width:100%;}
  .poster-card{width:132px;}
  .rail{gap:14px;}
  .stat-grid{grid-template-columns:1fr;}
  .tabs{gap:8px;}
  .tab{padding:8px 16px;font-size:13.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
}

/* roulang page: article */
:root{
  --bg-0:#0C0B12;
  --bg-1:#14131B;
  --bg-2:#1D1C26;
  --line:rgba(255,255,255,.09);
  --line-soft:rgba(255,255,255,.07);
  --line-strong:rgba(255,255,255,.16);
  --primary:#FF6A2B;
  --primary-hover:#FF8347;
  --primary-active:#E85A1D;
  --accent:#2FE0B8;
  --paper:#F5F1EA;
  --ink-on-paper:#16151C;
  --ink-1:#F2F0F0;
  --ink-2:#A5A2AE;
  --ink-3:#6E6B7A;
  --ok:#2FE0B8;
  --warn:#FFB020;
  --err:#FF4D5E;
  --r-poster:14px;
  --r-card:18px;
  --r-btn:10px;
  --r-pill:999px;
  --r-cta:24px;
  --container:1240px;
  --section:88px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
input,textarea{font:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}

/* ---------- Header / Nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease),backdrop-filter .24s var(--ease);
}
.site-header.is-solid,.site-header.is-scrolled{
  background:rgba(12,11,18,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
}
.nav-inner{display:flex;align-items:center;gap:26px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--ink-1)}
.brand-mark{
  display:grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:linear-gradient(140deg,var(--primary),#ff9c62);
  color:#0C0B12;font-size:13px;font-weight:800;letter-spacing:.04em;
}
.brand .dot{color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:9px 15px;border-radius:8px;font-size:15px;color:var(--ink-2);
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link:hover{color:var(--ink-1);background:rgba(255,255,255,.06)}
.nav-link.is-active{color:var(--ink-1)}
.nav-link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:1px;height:2px;
  border-radius:999px;background:var(--primary);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  display:grid;place-items:center;width:38px;height:38px;border-radius:10px;
  border:1px solid var(--line);color:var(--ink-2);
  transition:color .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease);
}
.icon-btn:hover{color:var(--ink-1);border-color:var(--line-strong);background:rgba(255,255,255,.06)}
.burger{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);padding:10px 9px}
.burger i{display:block;height:2px;border-radius:2px;background:var(--ink-1);margin:4px 0;transition:transform .2s var(--ease),opacity .2s var(--ease)}
body.nav-open .burger i:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.nav-open .burger i:nth-child(2){opacity:0}
body.nav-open .burger i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-primary{background:var(--primary);color:#0C0B12}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px)}
.btn-primary:active{background:var(--primary-active);transform:translateY(0)}
.btn-ghost{border-color:var(--line-strong);color:var(--ink-1)}
.btn-ghost:hover{background:rgba(255,255,255,.07);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px}
.btn-text span{transition:transform .2s var(--ease)}
.btn-text:hover span{transform:translateX(4px)}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;
  border-radius:var(--r-pill);font-size:12px;letter-spacing:.02em;line-height:1.6;
}
.badge-accent{border:1px solid rgba(47,224,184,.45);color:var(--accent)}
.badge-fill{background:var(--primary);color:#0C0B12;font-weight:600}

/* ---------- Page shell ---------- */
body{padding-top:72px}
main{display:block}
.article-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(12,11,18,.72),rgba(12,11,18,.94)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
}
.article-hero .container{padding-top:44px;padding-bottom:40px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2)}
.crumbs a{color:var(--ink-2);transition:color .18s var(--ease)}
.crumbs a:hover{color:var(--ink-1)}
.crumbs .sep{color:var(--ink-3)}
.crumbs .current{color:var(--primary);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{margin-top:22px;max-width:860px}
.article-head h1{
  font-size:clamp(28px,4vw,40px);font-weight:800;line-height:1.22;letter-spacing:-.02em;
  margin-top:16px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--ink-2)}
.article-meta .dotsep{width:4px;height:4px;border-radius:50%;background:var(--ink-3)}

/* ---------- Layout ---------- */
.layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;align-items:start;
  padding-top:56px;padding-bottom:var(--section);
}
.article-main{min-width:0}

/* ---------- Prose ---------- */
.prose{max-width:780px;font-size:16px;line-height:1.8}
.prose p{margin:0 0 1.2em}
.prose h2{
  position:relative;margin:40px 0 18px;padding-left:16px;
  font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.35;
}
.prose h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--primary)}
.prose h3{margin:30px 0 12px;font-size:18px;font-weight:700}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:4px}
.prose li{position:relative;padding-left:20px;margin-bottom:9px}
.prose ul li::before{content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--primary);transform:rotate(45deg)}
.prose ol{counter-reset:num}
.prose ol li{counter-increment:num}
.prose ol li::before{content:counter(num);position:absolute;left:0;top:0;color:var(--primary);font-weight:700;font-size:14px;line-height:1.9}
.prose blockquote{
  margin:24px 0;padding:16px 22px;border-left:3px solid var(--accent);
  background:var(--bg-1);border-radius:0 12px 12px 0;color:var(--ink-2);font-style:italic;
}
.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.prose img{border-radius:12px;margin:22px 0;width:100%}
.prose figure{margin:22px 0}
.prose figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px}
.prose table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px}
.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.prose th{background:var(--bg-2);font-weight:600}
.prose .table-wrap,.prose table{display:block;overflow-x:auto;white-space:nowrap}
.prose hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* ---------- Tags / Nav cards / Related ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:44px 0 0}
.tag{
  display:inline-flex;align-items:center;padding:7px 15px;border-radius:var(--r-pill);
  border:1px solid var(--line);font-size:13px;color:var(--ink-2);
  transition:color .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease);
}
.tag:hover{color:var(--ink-1);border-color:rgba(255,106,43,.55);background:rgba(255,106,43,.1)}
.sub-section{margin-top:56px}
.sub-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}
.sub-head h2{font-size:20px;font-weight:700}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.related-card{
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--bg-1);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.related-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 18px 40px -18px rgba(255,106,43,.45)}
.related-card img{aspect-ratio:16/9;object-fit:cover;width:100%}
.related-card .rc-body{padding:16px 18px 18px}
.related-card h3{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:8px}
.related-card p{font-size:13px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card .rc-meta{margin-top:12px;font-size:12px;color:var(--ink-3)}
.back-row{margin-top:40px}

/* ---------- Sidebar ---------- */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.panel{border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-1);padding:20px}
.panel h2{font-size:15px;font-weight:700;letter-spacing:.02em;margin-bottom:14px}
.rank-list li{border-top:1px solid var(--line-soft)}
.rank-list li:first-child{border-top:0}
.rank-list a{
  display:flex;align-items:center;gap:12px;padding:12px 0;font-size:14px;color:var(--ink-2);
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.rank-list a:hover{color:var(--ink-1);transform:translateX(4px)}
.rank-num{
  font-family:"Barlow",Inter,system-ui,sans-serif;font-size:18px;font-weight:700;
  color:transparent;-webkit-text-stroke:1px var(--primary);letter-spacing:.02em;min-width:26px;
}
.cat-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;border-top:1px solid var(--line-soft);font-size:14px;color:var(--ink-2);
}
.cat-list li:first-child a{border-top:0}
.cat-list a:hover{color:var(--ink-1)}
.cat-list .count{font-size:12px;color:var(--ink-3)}
.panel-note{font-size:13px;color:var(--ink-2);line-height:1.75}
.panel-contact{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.panel-contact .row{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2)}

/* ---------- Empty state ---------- */
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-card);
  padding:64px 24px;text-align:center;background:var(--bg-1);
}
.empty-state .icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  display:grid;place-items:center;background:var(--bg-2);color:var(--primary);font-size:22px;
}
.empty-state h2{font-size:20px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--ink-2);font-size:14px;margin-bottom:22px}

/* ---------- FAQ ---------- */
.faq-section{padding-bottom:var(--section);}
.faq-inner{max-width:860px;margin:0 auto}
.faq-title{text-align:center;margin-bottom:28px}
.faq-title h2{font-size:clamp(22px,2.6vw,32px);font-weight:700}
.faq-title p{color:var(--ink-2);font-size:15px;margin-top:12px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-1);margin-bottom:12px;overflow:hidden;transition:border-color .2s var(--ease)}
.faq-item.is-open{border-color:rgba(255,106,43,.5)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:64px;padding:14px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--ink-1);
}
.faq-q .sign{
  flex:0 0 auto;width:24px;height:24px;position:relative;border-radius:50%;
  border:1px solid var(--line-strong);transition:transform .3s var(--ease),border-color .3s var(--ease),background .3s var(--ease);
}
.faq-q .sign::before,.faq-q .sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary);transform:translate(-50%,-50%);
}
.faq-q .sign::before{width:10px;height:2px}
.faq-q .sign::after{width:2px;height:10px;transition:opacity .3s var(--ease)}
.faq-item.is-open .sign{border-color:var(--primary);background:rgba(255,106,43,.12)}
.faq-item.is-open .sign::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 22px 20px;font-size:14px;line-height:1.85;color:var(--ink-2)}

/* ---------- CTA ---------- */
.cta-section{padding-bottom:var(--section)}
.cta-banner{
  position:relative;border-radius:var(--r-cta);overflow:hidden;
  background:linear-gradient(115deg,rgba(255,106,43,.92),rgba(20,19,27,.96) 68%),var(--bg-1);
  border:1px solid rgba(255,106,43,.35);
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-banner h2{font-size:clamp(20px,2.4vw,28px);font-weight:700}
.cta-banner p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.82);max-width:520px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-actions .btn-primary{background:#0C0B12;color:var(--ink-1)}
.cta-actions .btn-primary:hover{background:#1D1C26}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-0)}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding:56px 0 40px;
}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--ink-2);line-height:1.8;max-width:340px}
.footer-col h4{font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--ink-1);margin-bottom:16px}
.footer-col a,.footer-col span{display:block;font-size:14px;color:var(--ink-2);padding:6px 0;transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  border-top:1px solid var(--line-soft);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--ink-3);
}

/* ---------- Responsive ---------- */
@media (max-width:1280px){
  .layout{grid-template-columns:minmax(0,1fr) 300px;gap:36px}
}
@media (max-width:1023px){
  :root{--section:64px}
  .layout{grid-template-columns:minmax(0,1fr);gap:40px;padding-top:40px}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap}
  .sidebar .panel{flex:1 1 260px}
  .nav-links{
    position:fixed;left:0;right:0;top:72px;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;margin:0;padding:12px 16px 24px;
    background:var(--bg-0);overflow-y:auto;
    opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-10px);
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
  }
  body.nav-open .nav-links{opacity:1;visibility:visible;pointer-events:auto;transform:none}
  .nav-link{height:48px;padding:0 4px;font-size:17px;border-bottom:1px solid var(--line-soft);border-radius:0;color:var(--ink-1)}
  .nav-link.is-active::after{left:0;right:auto;width:26px;bottom:-1px}
  .burger{display:block}
  .icon-btn{display:none}
}
@media (max-width:768px){
  :root{--section:48px}
  .container{padding:0 16px}
  .article-hero .container{padding-top:32px;padding-bottom:30px}
  .prose{font-size:15px;line-height:1.85}
  .related-grid{grid-template-columns:repeat(3,220px);overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px}
  .related-card{scroll-snap-align:start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:40px 0 28px}
  .footer-brand{grid-column:1 / -1}
  .cta-banner{padding:30px 24px;border-radius:18px}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .article-meta{gap:8px}
  .faq-q{font-size:15px;padding:12px 16px}
  .faq-a p{padding:0 16px 18px}
  .panel{padding:16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: category1 */
:root{
  --bg-0:#0C0B12;
  --bg-1:#14131B;
  --bg-2:#1D1C26;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.07);
  --line-hover:rgba(255,255,255,.16);
  --primary:#FF6A2B;
  --primary-hover:#FF8347;
  --primary-active:#E85A1D;
  --accent:#2FE0B8;
  --paper:#F5F1EA;
  --ink-on-paper:#16151C;
  --ink-1:#F2F0F0;
  --ink-2:#A5A2AE;
  --ink-3:#6E6B7A;
  --warn:#FFB020;
  --danger:#FF4D5E;
  --r-poster:14px;
  --r-card:18px;
  --r-btn:10px;
  --r-pill:999px;
  --r-cta:24px;
  --container:1240px;
  --section-y:88px;
  --t:220ms ease-out;
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Barlow","Inter","PingFang SC",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--bg-0);
  color:var(--ink-1);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--t);}
button{font-family:inherit;font-size:inherit;border:0;background:none;color:inherit;cursor:pointer;}
input,select{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--section-y) 0;}
.section-tight{padding:56px 0;}

/* ---------- Header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background var(--t),border-color var(--t),backdrop-filter var(--t);
}
.site-header.is-solid{
  background:rgba(12,11,18,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:64px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  letter-spacing:-0.01em;
  color:var(--ink-1);
  white-space:nowrap;
}
.brand-mark{
  width:32px;height:32px;
  display:grid;place-items:center;
  border-radius:9px;
  background:linear-gradient(140deg,var(--primary),#C8440F);
  color:#0C0B12;
  font-family:var(--font-num);
  font-size:14px;
  font-weight:800;
  letter-spacing:0;
}
.brand .dot{color:var(--primary);}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--ink-2);
  padding:20px 0;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:12px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  transform:scaleX(0);
  transition:transform var(--t);
}
.nav-link:hover{color:var(--ink-1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink-1);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  color:var(--ink-2);
  transition:color var(--t),border-color var(--t),background var(--t);
}
.icon-btn:hover{color:var(--ink-1);border-color:var(--line-hover);background:rgba(255,255,255,.05);}
.icon-btn:active{transform:scale(.96);}
.burger{
  display:none;
  width:38px;height:38px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  padding:10px 9px;
  flex-direction:column;
  justify-content:space-between;
}
.burger i{display:block;height:2px;border-radius:2px;background:var(--ink-1);transition:transform var(--t),opacity var(--t);}
.burger[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger[aria-expanded="true"] i:nth-child(2){opacity:0;}
.burger[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  transition:transform var(--t),background var(--t),border-color var(--t),color var(--t),box-shadow var(--t);
}
.btn-primary{background:var(--primary);color:#0C0B12;}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 12px 28px -14px rgba(255,106,43,.75);}
.btn-primary:active{background:var(--primary-active);transform:translateY(0);}
.btn-primary:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-ghost{
  background:transparent;
  border:1px solid rgba(255,255,255,.18);
  color:var(--ink-1);
}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:var(--line-hover);}
.btn-ghost:active{background:rgba(255,255,255,.1);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-size:14px;
  font-weight:600;
  padding:0;
}
.btn-text svg{transition:transform var(--t);}
.btn-text:hover svg{transform:translateX(4px);}

/* ---------- Mobile drawer ---------- */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:200;
  background:rgba(12,11,18,.98);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transform:translateY(-100%);
  transition:transform 280ms ease-out;
  display:flex;
  flex-direction:column;
  padding:20px 24px 28px;
  visibility:hidden;
}
.mobile-drawer.is-open{transform:translateY(0);visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px;}
.drawer-group-title{
  font-size:12px;
  letter-spacing:.14em;
  color:var(--ink-3);
  text-transform:uppercase;
  margin-bottom:8px;
}
.drawer-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:48px;
  font-size:16px;
  color:var(--ink-2);
  border-bottom:1px solid var(--line-2);
}
.drawer-nav a.is-active{color:var(--primary);font-weight:600;}
.drawer-bottom{margin-top:auto;padding-top:24px;}
.drawer-bottom .btn{width:100%;}

/* ---------- Page banner ---------- */
.page-hero{
  position:relative;
  min-height:320px;
  display:flex;
  align-items:flex-end;
  padding:140px 0 52px;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,11,18,.86) 0%,rgba(12,11,18,.72) 42%,rgba(12,11,18,.96) 88%,var(--bg-0) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-2);
  margin-bottom:18px;
}
.crumb a:hover{color:var(--ink-1);}
.crumb .sep{color:var(--ink-3);}
.crumb .now{color:var(--primary);}
.page-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:var(--primary);
  color:#0C0B12;
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  margin-bottom:16px;
}
.page-title{
  font-size:clamp(30px,5vw,52px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-0.02em;
  max-width:760px;
}
.page-desc{
  margin-top:14px;
  max-width:640px;
  font-size:15px;
  line-height:1.7;
  color:var(--ink-2);
}
.page-stats{
  display:flex;
  flex-wrap:wrap;
  gap:28px;
  margin-top:26px;
}
.page-stat b{
  display:block;
  font-family:var(--font-num);
  font-size:24px;
  font-weight:800;
  color:var(--primary);
  line-height:1.2;
}
.page-stat span{font-size:12px;color:var(--ink-3);letter-spacing:.04em;}

/* ---------- Filter bar ---------- */
.filter-bar{
  position:sticky;
  top:64px;
  z-index:60;
  background:rgba(12,11,18,.94);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.filter-inner{
  display:flex;
  align-items:center;
  gap:10px;
  padding:14px 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.filter-inner::-webkit-scrollbar{display:none;}
.filter-pill{
  flex:0 0 auto;
  padding:9px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  font-size:14px;
  color:var(--ink-2);
  transition:color var(--t),background var(--t),border-color var(--t);
}
.filter-pill:hover{color:var(--ink-1);border-color:var(--line-hover);background:rgba(255,255,255,.05);}
.filter-pill.is-active{background:var(--primary);border-color:var(--primary);color:#0C0B12;font-weight:600;}
.filter-count{
  margin-left:auto;
  font-size:13px;
  color:var(--ink-3);
  white-space:nowrap;
  padding-left:12px;
}

/* ---------- Section heads ---------- */
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.sec-title{
  font-size:clamp(22px,2.6vw,32px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-0.01em;
}
.sec-lead{
  margin-top:10px;
  max-width:640px;
  font-size:15px;
  line-height:1.7;
  color:var(--ink-2);
}

/* ---------- Poster grid ---------- */
.poster-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px 20px;
}
.poster-card{
  border-radius:var(--r-poster);
  transition:transform var(--t);
}
.poster-card:hover{transform:translateY(-4px);}
.poster-media{
  position:relative;
  aspect-ratio:2/3;
  border-radius:var(--r-poster);
  overflow:hidden;
  background:var(--bg-2);
  border:1px solid var(--line);
  transition:box-shadow var(--t),border-color var(--t);
}
.poster-card:hover .poster-media{
  border-color:var(--primary);
  box-shadow:0 0 0 1px var(--primary),0 18px 40px -18px rgba(255,106,43,.45);
}
.poster-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 240ms ease-out,opacity var(--t);
}
.poster-card:hover .poster-media img{transform:scale(1.03);}
.poster-badge{
  position:absolute;
  top:10px;left:10px;
  padding:4px 10px;
  border-radius:var(--r-pill);
  background:var(--primary);
  color:#0C0B12;
  font-size:11px;
  font-weight:700;
  letter-spacing:.02em;
}
.poster-play{
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  background:linear-gradient(180deg,rgba(12,11,18,.1) 0%,rgba(12,11,18,.78) 100%);
  opacity:0;
  transition:opacity var(--t);
}
.poster-play span{
  width:48px;height:48px;
  border-radius:50%;
  background:var(--primary);
  display:grid;place-items:center;
  color:#0C0B12;
  box-shadow:0 10px 26px -10px rgba(255,106,43,.9);
}
.poster-card:hover .poster-play{opacity:1;}
.poster-title{
  margin-top:12px;
  font-size:17px;
  font-weight:600;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.poster-meta{
  margin-top:6px;
  font-size:12px;
  color:var(--ink-2);
  letter-spacing:.02em;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

/* ---------- Empty / skeleton ---------- */
.empty-state{
  display:none;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:72px 24px;
  border:1px dashed var(--line-hover);
  border-radius:var(--r-card);
  background:var(--bg-1);
}
.empty-state.is-visible{display:flex;}
.empty-icon{
  width:56px;height:56px;
  border-radius:50%;
  display:grid;place-items:center;
  background:var(--bg-2);
  color:var(--accent);
  margin-bottom:18px;
}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:20px;}
.skeleton{display:grid;gap:14px;padding:24px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-1);}
.skeleton-row{
  height:14px;
  border-radius:7px;
  background:linear-gradient(90deg,var(--bg-2) 0%,rgba(255,255,255,.07) 50%,var(--bg-2) 100%);
  background-size:200% 100%;
  animation:shimmer 1.4s linear infinite;
}
.skeleton-row:nth-child(2){width:82%;}
.skeleton-row:nth-child(3){width:64%;}
@keyframes shimmer{0%{background-position:200% 0;}100%{background-position:-200% 0;}}

/* ---------- Ranking ---------- */
.rank-wrap{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:32px;
  align-items:start;
}
.rank-feature{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg-1);
}
.rank-feature img{width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.92;}
.rank-feature-body{
  padding:24px 26px 26px;
}
.rank-tag{
  display:inline-block;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:var(--primary);
  color:#0C0B12;
  font-size:12px;
  font-weight:700;
  margin-bottom:14px;
}
.rank-feature h3{font-size:22px;font-weight:700;line-height:1.35;margin-bottom:10px;}
.rank-feature p{font-size:14px;color:var(--ink-2);line-height:1.75;margin-bottom:20px;}
.rank-list{border-top:1px solid var(--line-2);}
.rank-row{
  display:flex;
  align-items:center;
  gap:20px;
  padding:18px 8px;
  border-bottom:1px solid var(--line-2);
  transition:background var(--t),transform var(--t);
}
.rank-row:hover{background:var(--bg-1);transform:translateX(4px);}
.rank-num{
  font-family:var(--font-num);
  font-size:34px;
  font-weight:800;
  line-height:1;
  min-width:56px;
  color:transparent;
  -webkit-text-stroke:1.5px var(--primary);
  letter-spacing:-0.02em;
}
.rank-info{flex:1;min-width:0;}
.rank-info h4{
  font-size:16px;
  font-weight:600;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.rank-info span{display:block;font-size:12px;color:var(--ink-2);margin-top:4px;}
.rank-side{
  flex:0 0 auto;
  font-size:12px;
  color:var(--accent);
  border:1px solid rgba(47,224,184,.4);
  border-radius:var(--r-pill);
  padding:4px 12px;
  white-space:nowrap;
}

/* ---------- Collection strip ---------- */
.collection-strip{
  background:var(--paper);
  color:var(--ink-on-paper);
  padding:var(--section-y) 0;
}
.collection-strip .sec-title{color:var(--ink-on-paper);}
.collection-strip .sec-lead{color:#4A4753;}
.collection-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.collection-card{
  background:#FFFFFF;
  border:1px solid rgba(22,21,28,.1);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.9),0 8px 22px -18px rgba(22,21,28,.5);
  transition:transform var(--t),box-shadow var(--t);
}
.collection-card:hover{transform:translateY(-4px);box-shadow:0 18px 34px -22px rgba(22,21,28,.55);}
.collection-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:12px;
  color:#6B6873;
  letter-spacing:.02em;
  margin-bottom:14px;
}
.collection-card h3{font-size:18px;font-weight:700;line-height:1.4;margin-bottom:10px;}
.collection-card p{font-size:14px;line-height:1.75;color:#4A4753;margin-bottom:16px;}
.collection-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:#C8440F;
}
.collection-link svg{transition:transform var(--t);}
.collection-link:hover svg{transform:translateX(4px);}
.collection-rows{
  margin-top:26px;
  border-top:1px solid rgba(22,21,28,.14);
}
.collection-row{
  display:flex;
  align-items:center;
  gap:18px;
  padding:16px 4px;
  border-bottom:1px solid rgba(22,21,28,.1);
  transition:background var(--t);
}
.collection-row:hover{background:rgba(22,21,28,.04);}
.collection-row img{
  width:120px;height:68px;
  object-fit:cover;
  border-radius:10px;
  flex:0 0 auto;
}
.collection-row-body{flex:1;min-width:0;}
.collection-row-body h4{font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.collection-row-body p{
  font-size:13px;
  color:#4A4753;
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-top:4px;
}
.collection-row-time{font-size:12px;color:#6B6873;white-space:nowrap;}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line-2);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:64px;
  padding:16px 4px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink-1);
  transition:color var(--t);
}
.faq-q:hover{color:var(--primary);}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--line-hover);
  display:grid;place-items:center;
  color:var(--accent);
  transition:transform .3s ease-out,border-color var(--t);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:var(--accent);}
.faq-panel{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease-out;
}
.faq-panel p{
  padding:0 4px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
}

/* ---------- CTA ---------- */
.cta-banner{
  border-radius:var(--r-cta);
  padding:44px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  background:linear-gradient(115deg,var(--primary) 0%,#B63E10 46%,var(--bg-1) 100%);
  border:1px solid rgba(255,255,255,.12);
}
.cta-banner h2{
  font-size:clamp(20px,2.4vw,28px);
  font-weight:800;
  line-height:1.3;
  color:#160D06;
}
.cta-banner p{
  margin-top:10px;
  font-size:14px;
  color:rgba(22,13,6,.78);
  max-width:520px;
}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;}
.cta-banner .btn-ghost{border-color:rgba(22,13,6,.35);color:#160D06;}
.cta-banner .btn-ghost:hover{background:rgba(22,13,6,.1);border-color:rgba(22,13,6,.5);}
.cta-banner .btn-primary{background:#160D06;color:var(--paper);}
.cta-banner .btn-primary:hover{background:#2A1B10;color:var(--paper);box-shadow:0 12px 28px -14px rgba(22,13,6,.8);}

/* ---------- Pagination ---------- */
.pager{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  margin-top:52px;
  flex-wrap:wrap;
}
.pager a,.pager span{
  min-width:40px;
  height:40px;
  padding:0 14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  font-size:14px;
  color:var(--ink-2);
  transition:color var(--t),background var(--t),border-color var(--t);
}
.pager a:hover{color:var(--ink-1);border-color:var(--line-hover);background:rgba(255,255,255,.05);}
.pager .is-current{background:var(--primary);border-color:var(--primary);color:#0C0B12;font-weight:700;}
.pager .is-disabled{opacity:.45;pointer-events:none;}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-0);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;}
.footer-brand .brand-mark{width:30px;height:30px;font-size:13px;}
.footer-note{
  margin-top:16px;
  font-size:13px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:320px;
}
.footer-title{
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-3);
  margin-bottom:16px;
}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:var(--ink-2);}
.footer-links a:hover{color:var(--primary);}
.footer-contact{font-size:14px;color:var(--ink-2);line-height:1.9;}
.footer-contact strong{color:var(--ink-1);font-weight:600;}
.footer-bottom{
  border-top:1px solid var(--line-2);
  padding:20px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12px;
  color:var(--ink-3);
}
.footer-bottom a:hover{color:var(--ink-2);}

/* ---------- Responsive ---------- */
@media (max-width:1280px){
  :root{--container:1120px;}
  .poster-grid{grid-template-columns:repeat(4,1fr);}
}
@media (max-width:1199px){
  .poster-grid{grid-template-columns:repeat(3,1fr);}
  .rank-wrap{grid-template-columns:1fr;}
  .collection-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  :root{--section-y:64px;}
  .nav-links{display:none;}
  .burger{display:flex;}
  .nav-actions .btn{display:none;}
  .poster-grid{grid-template-columns:repeat(2,1fr);gap:24px 18px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:36px 32px;}
  .cta-actions{width:100%;}
  .page-hero{padding:124px 0 44px;min-height:280px;}
}
@media (max-width:767px){
  :root{--section-y:48px;}
  .container{padding:0 16px;}
  body{font-size:15px;line-height:1.85;}
  .poster-grid{grid-template-columns:repeat(2,1fr);gap:18px 12px;}
  .poster-title{font-size:15px;margin-top:10px;}
  .poster-badge{top:8px;left:8px;padding:3px 8px;font-size:10px;}
  .filter-bar{top:64px;}
  .collection-grid{grid-template-columns:1fr;}
  .collection-row img{width:96px;height:56px;}
  .rank-num{font-size:26px;min-width:44px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .cta-banner{padding:28px 22px;border-radius:18px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .page-stats{gap:20px;}
}
@media (max-width:480px){
  .poster-grid{grid-template-columns:repeat(2,1fr);}
  .page-title{font-size:28px;}
  .btn{padding:12px 20px;font-size:14px;}
  .pager a,.pager span{min-width:36px;height:36px;padding:0 10px;font-size:13px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --bg-0:#0C0B12;
  --bg-1:#14131B;
  --bg-2:#1D1C26;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.16);
  --primary:#FF6A2B;
  --primary-h:#FF8347;
  --primary-a:#E85A1D;
  --accent:#2FE0B8;
  --paper:#F5F1EA;
  --ink-paper:#16151C;
  --ink-1:#F2F0F0;
  --ink-2:#A5A2AE;
  --ink-3:#6E6B7A;
  --r-poster:14px;
  --r-card:18px;
  --r-btn:10px;
  --r-pill:999px;
  --sp:88px;
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Barlow",Inter,"PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-1);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body.menu-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select{font:inherit;color:inherit;}
button{background:none;border:0;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
::selection{background:rgba(255,106,43,.35);}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sp) 0;}
.section-tight{padding:44px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:32px;flex-wrap:wrap;
}
.section-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;letter-spacing:-.01em;}
.section-head .sub{margin-top:10px;font-size:15px;line-height:1.7;color:var(--ink-2);max-width:640px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(12,11,18,.7);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .24s ease-out,border-color .24s ease-out;
}
.site-header.is-solid{background:rgba(12,11,18,.95);border-bottom-color:var(--line);}
.nav-inner{display:flex;align-items:center;gap:22px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.01em;flex:0 0 auto;}
.brand-mark{
  display:grid;place-items:center;width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--primary),#FF9A5C);
  color:#0C0B12;font-size:13px;font-weight:800;font-family:var(--font-num);
  letter-spacing:.02em;
}
.brand .dot{color:var(--primary);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:10px;}
.nav-link{
  position:relative;display:block;padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--ink-2);transition:color .18s,background .18s;
}
.nav-link:hover{color:var(--ink-1);background:rgba(255,255,255,.05);}
.nav-link.is-active{color:var(--ink-1);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--primary);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;border-radius:10px;
  border:1px solid var(--line);color:var(--ink-2);cursor:pointer;
  transition:color .18s,border-color .18s,background .18s;
}
.icon-btn:hover{color:var(--ink-1);border-color:var(--line-2);background:rgba(255,255,255,.05);}
.burger{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;
  transition:border-color .18s,background .18s;
}
.burger:hover{border-color:var(--line-2);background:rgba(255,255,255,.05);}
.burger i{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink-1);transition:transform .2s ease-out,opacity .2s;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--r-btn);
  padding:13px 26px;font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .18s ease-out,background .18s,color .18s,border-color .18s,box-shadow .18s;
}
.btn-primary{background:var(--primary);color:#0C0B12;}
.btn-primary:hover{background:var(--primary-h);transform:translateY(-1px);box-shadow:0 12px 28px -14px rgba(255,106,43,.7);}
.btn-primary:active{background:var(--primary-a);transform:translateY(0);box-shadow:none;}
.btn-ghost{border-color:var(--line-2);color:var(--ink-1);background:transparent;}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.28);}
.btn-outline-primary{border-color:rgba(255,106,43,.5);color:var(--primary);background:transparent;}
.btn-outline-primary:hover{background:rgba(255,106,43,.12);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);
}
.link-more span{transition:transform .18s ease-out;}
.link-more:hover span{transform:translateX(4px);}

/* ============ 纸色页头 ============ */
.page-head{
  position:relative;overflow:hidden;
  background:var(--paper);
  color:var(--ink-paper);
  padding:44px 0 40px;
  border-bottom:1px solid rgba(0,0,0,.08);
}
.page-head::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.10;mix-blend-mode:multiply;
}
.page-head > .container{position:relative;z-index:1;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:#6f6a78;margin-bottom:20px;flex-wrap:wrap;}
.crumbs a{color:#6f6a78;transition:color .18s;}
.crumbs a:hover{color:var(--primary-a);}
.crumbs .sep{color:#b6b0bc;}
.crumbs .now{color:var(--primary-a);font-weight:600;}
.head-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:end;}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;letter-spacing:.02em;
}
.chip-accent{
  background:rgba(232,90,29,.12);color:#B8430D;
  border:1px solid rgba(232,90,29,.34);
}
.page-head h1{
  margin-top:14px;
  font-size:clamp(28px,4.2vw,44px);font-weight:800;line-height:1.15;letter-spacing:-.02em;
  color:var(--ink-paper);
}
.page-head .lede{
  margin-top:14px;max-width:620px;
  font-size:15.5px;line-height:1.78;color:#4d4955;
}
.head-meta{margin-top:16px;font-size:13px;color:#6f6a78;}
.head-filter{display:flex;flex-direction:column;gap:8px;min-width:210px;}
.head-filter label{font-size:12.5px;color:#6f6a78;letter-spacing:.02em;}
.select{
  height:44px;padding:0 14px;border-radius:var(--r-btn);
  background:#fff;border:1px solid rgba(0,0,0,.14);color:var(--ink-paper);
  font-size:14.5px;cursor:pointer;transition:border-color .18s,box-shadow .18s;
}
.select:hover{border-color:rgba(0,0,0,.28);}
.select:focus{outline:none;border-color:var(--primary-a);box-shadow:0 0 0 3px rgba(232,90,29,.16);}

/* ============ 主体两栏 ============ */
.layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:32px;align-items:start;}
.side{position:sticky;top:92px;display:flex;flex-direction:column;gap:16px;}
.side-card{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px;
}
.side-title{
  font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--ink-3);
  margin-bottom:12px;
}
.side-nav li + li{margin-top:2px;}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:9px 12px;border-radius:10px;font-size:14.5px;color:var(--ink-2);
  transition:background .18s,color .18s;
}
.side-nav a:hover{background:var(--bg-2);color:var(--ink-1);}
.side-nav a.is-active{background:rgba(255,106,43,.13);color:var(--primary);font-weight:600;}
.side-nav a em{font-style:normal;font-size:12px;color:var(--ink-3);font-family:var(--font-num);}
.side-nav a.is-active em{color:var(--primary);}
.side-pick{
  display:block;border-radius:12px;overflow:hidden;border:1px solid var(--line);
  transition:border-color .2s ease-out,transform .2s ease-out;
}
.side-pick:hover{border-color:var(--primary);transform:translateY(-2px);}
.side-pick img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--bg-2);}
.side-pick-body{display:block;padding:10px 12px;background:var(--bg-2);}
.side-pick-body strong{display:block;font-size:14.5px;font-weight:600;}
.side-pick-body em{font-style:normal;font-size:12.5px;color:var(--ink-2);}
.side-contact p{font-size:13.5px;line-height:1.75;color:var(--ink-2);margin-bottom:14px;}
.side-small{margin-top:10px;font-size:12px;color:var(--ink-3);}

/* ============ 筛选栏 ============ */
.filter-bar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding-bottom:16px;margin-bottom:8px;border-bottom:1px solid var(--line);
}
.filter-bar .label{font-size:13px;color:var(--ink-3);letter-spacing:.02em;margin-right:2px;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:var(--r-pill);border:1px solid var(--line-2);
  font-size:13px;color:var(--ink-2);cursor:pointer;
  transition:color .18s,border-color .18s,background .18s;
}
.tag:hover{color:var(--ink-1);border-color:rgba(255,255,255,.32);}
.tag.is-active{background:var(--primary);border-color:var(--primary);color:#0C0B12;font-weight:600;}

/* ============ 列表 ============ */
.post-list{display:flex;flex-direction:column;}
.post-item{
  display:grid;grid-template-columns:206px minmax(0,1fr);gap:20px;
  padding:20px 12px;border-bottom:1px solid rgba(255,255,255,.07);
  border-radius:14px;
  transition:background .2s ease-out;
}
.post-item:hover{background:var(--bg-1);}
.thumb{
  position:relative;display:block;border-radius:12px;overflow:hidden;
  aspect-ratio:16/9;background:var(--bg-2);
  border:1px solid var(--line);
}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out;}
.post-item:hover .thumb img{transform:scale(1.03);}
.thumb-tag{
  position:absolute;left:10px;top:10px;padding:3px 10px;
  font-size:11.5px;border-radius:var(--r-pill);
  background:rgba(12,11,18,.74);color:var(--accent);
  border:1px solid rgba(47,224,184,.38);
  backdrop-filter:blur(6px);
}
.post-title{font-size:17.5px;font-weight:600;line-height:1.45;}
.post-title a{transition:color .18s;}
.post-title a:hover{color:var(--primary);}
.post-excerpt{
  margin-top:9px;font-size:14px;line-height:1.8;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:12px;font-size:12.5px;color:var(--ink-3);}
.badge{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;
  border-radius:var(--r-pill);border:1px solid rgba(47,224,184,.35);
  color:var(--accent);font-size:12px;letter-spacing:.02em;
}
.meta .dot-sep{width:3px;height:3px;border-radius:50%;background:var(--ink-3);display:inline-block;}

/* ============ 分页 ============ */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:32px;}
.pager a,.pager span{
  min-width:40px;height:40px;padding:0 15px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);border:1px solid var(--line);
  font-size:14px;color:var(--ink-2);
  transition:border-color .18s,color .18s,background .18s;
}
.pager a:hover{border-color:var(--line-2);color:var(--ink-1);background:var(--bg-1);}
.pager .is-current{background:var(--primary);border-color:var(--primary);color:#0C0B12;font-weight:700;}

/* ============ 订阅条 ============ */
.subscribe-card{
  margin-top:var(--sp);
  display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,420px);
  gap:28px;align-items:center;
  padding:28px 30px;
  border:1px solid var(--line);border-radius:20px;
  background:linear-gradient(120deg,rgba(255,106,43,.10),rgba(20,19,27,.9) 55%,rgba(47,224,184,.07));
}
.subscribe-card h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;}
.subscribe-card p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--ink-2);max-width:520px;}
.subscribe-form{display:flex;gap:10px;}
.subscribe-form input{
  flex:1;min-width:0;height:44px;padding:0 16px;border-radius:var(--r-btn);
  background:var(--bg-2);border:1px solid var(--line);color:var(--ink-1);
  transition:border-color .18s,box-shadow .18s;
}
.subscribe-form input::placeholder{color:var(--ink-3);}
.subscribe-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,224,184,.16);}
.form-msg{margin-top:10px;font-size:12.5px;color:var(--ink-3);min-height:18px;}
.form-msg.is-ok{color:var(--accent);}
.form-msg.is-error{color:#FF4D5E;}

/* ============ FAQ ============ */
.faq{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:16px 4px;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink-1);
  transition:color .18s;
}
.faq-q:hover{color:var(--primary);}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 auto;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px;}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;transition:transform .3s ease-out,opacity .3s ease-out;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out;}
.faq-a p{padding:0 4px 20px;font-size:14.5px;line-height:1.85;color:var(--ink-2);}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-0);
  padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--ink-2);max-width:330px;}
.footer-col h4{
  font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--ink-3);
  margin-bottom:14px;
}
.footer-col a,.footer-col span{display:block;padding:5px 0;font-size:14px;color:var(--ink-2);transition:color .18s;}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12px;color:var(--ink-3);
}
.footer-bottom a{color:var(--ink-3);}
.footer-bottom a:hover{color:var(--ink-2);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .post-item{grid-template-columns:184px minmax(0,1fr);}
}
@media (max-width:1023px){
  :root{--sp:64px;}
  .container{padding:0 20px;}
  .nav-links{
    position:fixed;left:0;right:0;top:68px;bottom:0;
    flex-direction:column;align-items:stretch;gap:2px;
    margin:0;padding:16px 20px 40px;
    background:var(--bg-0);
    transform:translateX(100%);
    transition:transform .24s ease-out;
    overflow-y:auto;
    z-index:70;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-link{padding:14px 16px;font-size:17px;border-radius:12px;}
  .nav-link.is-active{background:rgba(255,255,255,.05);}
  .nav-link.is-active::after{display:none;}
  .burger{display:flex;}
  .head-grid{grid-template-columns:1fr;gap:24px;align-items:start;}
  .head-filter{min-width:0;max-width:280px;}
  .layout{grid-template-columns:1fr;gap:24px;}
  .side{position:static;display:grid;grid-template-columns:1fr 1fr;gap:14px;}
  .side-card:first-child{grid-column:1 / -1;}
  .side-card:first-child .side-title{margin-bottom:10px;}
  .side-nav{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
  .side-nav::-webkit-scrollbar{display:none;}
  .side-nav li + li{margin-top:0;}
  .side-nav a{
    white-space:nowrap;border:1px solid var(--line-2);border-radius:var(--r-pill);
    padding:8px 16px;font-size:13.5px;
  }
  .side-nav a em{display:none;}
  .post-item{grid-template-columns:176px minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .subscribe-card{grid-template-columns:1fr;gap:20px;padding:24px;}
}
@media (max-width:767px){
  :root{--sp:48px;}
  .container{padding:0 16px;}
  body{font-size:15px;line-height:1.85;}
  .nav-actions .btn-sm{display:none;}
  .brand{font-size:16px;}
  .page-head{padding:32px 0 30px;}
  .page-head .lede{font-size:14.5px;}
  .section-head{margin-bottom:24px;}
  .post-item{grid-template-columns:142px minmax(0,1fr);gap:14px;padding:16px 8px;}
  .post-title{font-size:15.5px;line-height:1.5;}
  .post-excerpt{font-size:13.5px;margin-top:7px;}
  .meta{gap:10px;font-size:12px;margin-top:10px;}
  .thumb-tag{display:none;}
  .side{grid-template-columns:1fr;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .pager a,.pager span{min-width:36px;height:36px;padding:0 12px;font-size:13px;}
}
@media (max-width:479px){
  .post-item{grid-template-columns:1fr;}
  .thumb{aspect-ratio:16/9;}
  .head-filter{max-width:100%;}
}