/* roulang page: index */
:root{
  --primary:#7A5CFF;
  --primary-hover:#6A4AEE;
  --primary-pressed:#5B3CD9;
  --primary-soft:rgba(122,92,255,.12);
  --primary-line:rgba(122,92,255,.45);
  --accent:#FF7A45;
  --support:#2BE3C0;
  --support-soft:rgba(43,227,192,.12);

  --dark-base:#0D0B12;
  --dark-1:#16121F;
  --dark-2:#1F1A2B;
  --dark-card:#221C30;

  --light-base:#F7F5F2;
  --light-card:#FFFFFF;
  --light-line:#E8E3DC;

  --dt-1:#F5F3F8;
  --dt-2:#B9B2C7;
  --dt-3:#8B8398;
  --lt-1:#1B1720;
  --lt-2:#5C5568;
  --lt-3:#8A8290;

  --ok:#35C88A;
  --warn:#FFB020;
  --err:#FF5A5A;

  --r-card:16px;
  --r-panel:20px;
  --r-btn:10px;
  --r-tag:6px;

  --sh-card:0 6px 20px rgba(0,0,0,.28);
  --sh-card-hover:0 16px 40px rgba(0,0,0,.38);
  --sh-light:0 4px 16px rgba(27,23,32,.06);

  --ease:0.28s cubic-bezier(.22,.61,.36,1);
  --container:1240px;
  --num-font:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,
*::before,
*::after{box-sizing:border-box;}

html{scroll-behavior:smooth;}

body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.015em;
  color:var(--lt-1);
  background:var(--light-base);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.32;letter-spacing:.02em;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}

:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:3px;
  border-radius:4px;
}

.wrap{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

.sec{padding:88px 0;}
.sec-dark{background:var(--dark-base);color:var(--dt-1);}
.sec-dark-1{background:var(--dark-1);color:var(--dt-1);}
.sec-light{background:var(--light-base);color:var(--lt-1);}
.sec-light-card{background:#FFFFFF;}

.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
  flex-wrap:wrap;
}
.sec-head h2{font-size:30px;}
.sec-head .sec-sub{
  margin-top:8px;
  font-size:14px;
  color:var(--lt-3);
  line-height:1.75;
}
.sec-dark .sec-head .sec-sub,
.sec-dark-1 .sec-head .sec-sub{color:var(--dt-3);}

.title-bar{
  display:inline-block;
  width:38px;height:4px;
  border-radius:2px;
  background:var(--primary);
  margin-bottom:14px;
}

.link-more{
  font-size:14px;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:color var(--ease);
}
.link-more i{
  font-style:normal;
  transition:transform var(--ease);
}
.link-more:hover{color:var(--primary-hover);}
.link-more:hover i{transform:translateX(3px);}

/* ===== 按钮 ===== */
.btn-main,
.btn-line,
.btn-text{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--r-btn);
  border:none;
  cursor:pointer;
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease),color var(--ease);
  letter-spacing:.04em;
}
.btn-main{
  height:48px;
  padding:0 26px;
  background:var(--primary);
  color:#fff;
  box-shadow:0 8px 22px rgba(122,92,255,.28);
}
.btn-main:hover{
  background:var(--primary-hover);
  transform:translateY(-2px);
  box-shadow:0 14px 30px rgba(122,92,255,.38);
}
.btn-main:active{background:var(--primary-pressed);transform:translateY(0);}

.btn-line{
  height:48px;
  padding:0 24px;
  background:transparent;
  color:var(--primary);
  border:1px solid var(--primary-line);
}
.btn-line:hover{
  background:var(--primary-soft);
  border-color:var(--primary);
  transform:translateY(-2px);
}
.sec-dark .btn-line,
.sec-dark-1 .btn-line,
.hero .btn-line{
  color:var(--dt-1);
  border-color:rgba(255,255,255,.28);
}
.sec-dark .btn-line:hover,
.sec-dark-1 .btn-line:hover,
.hero .btn-line:hover{
  background:rgba(255,255,255,.10);
  border-color:rgba(255,255,255,.55);
}

.btn-text{
  background:none;
  padding:0;
  color:var(--primary);
  font-size:14px;
}
.btn-text i{font-style:normal;transition:transform var(--ease);}
.btn-text:hover i{transform:translateX(3px);}

.btn-main[disabled],
.btn-line[disabled]{
  opacity:.45;
  pointer-events:none;
  transform:none;
}

/* ===== 标签 / 徽章 ===== */
.tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-tag);
  font-size:12px;
  line-height:1;
  letter-spacing:.03em;
  white-space:nowrap;
}
.tag-outline{
  border:1px solid var(--light-line);
  color:var(--lt-2);
  background:transparent;
}
.sec-dark .tag-outline,
.sec-dark-1 .tag-outline,
.hero .tag-outline{
  border-color:rgba(255,255,255,.18);
  color:var(--dt-2);
}
.tag-accent{
  background:var(--accent);
  color:#fff;
  font-weight:600;
}
.tag-support{
  background:var(--support-soft);
  color:#1BAE94;
  font-weight:600;
}
.sec-dark .tag-support,
.sec-dark-1 .tag-support{color:var(--support);}

/* ===== 导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(13,11,18,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.scrolled{
  background:#0D0B12;
  box-shadow:0 1px 0 rgba(255,255,255,.08);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:74px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:34px;height:34px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--primary),#4B32C3);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.brand-mark svg{width:18px;height:18px;display:block;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{
  font-size:16px;
  font-weight:700;
  color:var(--dt-1);
  letter-spacing:.02em;
}
.brand-sub{
  font-size:11px;
  color:var(--dt-3);
  letter-spacing:.06em;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
  flex:1;
}
.nav-link{
  position:relative;
  padding:8px 12px;
  font-size:15px;
  color:var(--dt-2);
  border-radius:8px;
  transition:color var(--ease);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--ease);
  border-radius:2px;
}
.nav-link:hover{color:var(--dt-1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:#fff;font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}

.nav-tools{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.nav-search{
  position:relative;
  width:200px;
}
.nav-search input{
  width:100%;
  height:38px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);
  color:var(--dt-1);
  font-size:13px;
  padding:0 36px 0 16px;
  transition:border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.nav-search input::placeholder{color:var(--dt-3);}
.nav-search input:focus{
  outline:none;
  border-color:var(--primary);
  background:rgba(255,255,255,.10);
  box-shadow:0 0 0 3px rgba(122,92,255,.18);
}
.nav-search svg{
  position:absolute;
  right:13px;top:50%;
  transform:translateY(-50%);
  width:15px;height:15px;
  stroke:var(--dt-3);
  pointer-events:none;
}
.nav-ghost{
  height:38px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.20);
  background:transparent;
  color:var(--dt-1);
  font-size:13px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.nav-ghost:hover{
  background:rgba(255,255,255,.10);
  border-color:rgba(255,255,255,.4);
  transform:translateY(-1px);
}
.nav-cta{
  height:38px;
  padding:0 20px;
  border-radius:999px;
  background:var(--primary);
  color:#fff;
  font-size:13px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.nav-cta:hover{
  background:var(--primary-hover);
  transform:translateY(-1px);
  box-shadow:0 10px 24px rgba(122,92,255,.36);
}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.18);
  background:transparent;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.nav-toggle span{
  display:block;
  width:16px;height:1.5px;
  background:var(--dt-1);
  position:relative;
  border-radius:2px;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;left:0;
  width:16px;height:1.5px;
  background:var(--dt-1);
  border-radius:2px;
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}

/* offcanvas 移动端 */
.offcanvas.offcanvas-dark{
  background:var(--dark-1);
  color:var(--dt-1);
  width:min(84vw,340px);
}
.offcanvas-dark .offcanvas-header{
  border-bottom:1px solid rgba(255,255,255,.08);
  padding:20px 22px;
}
.offcanvas-dark .offcanvas-title{
  font-size:15px;
  font-weight:700;
  color:var(--dt-1);
}
.offcanvas-dark .offcanvas-body{padding:20px 22px 32px;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.drawer-nav a{
  padding:12px 14px;
  border-radius:10px;
  font-size:15px;
  color:var(--dt-2);
  transition:background var(--ease),color var(--ease);
}
.drawer-nav a:hover{background:rgba(255,255,255,.06);color:var(--dt-1);}
.drawer-nav a.active{
  background:var(--primary-soft);
  color:#fff;
  font-weight:600;
  border-left:3px solid var(--primary);
}
.drawer-tools{display:flex;flex-direction:column;gap:12px;}
.drawer-tools .nav-search{width:100%;}
.drawer-tools .nav-ghost,
.drawer-tools .nav-cta{width:100%;justify-content:center;height:44px;}

/* ===== Hero ===== */
.hero{
  position:relative;
  min-height:clamp(520px,62vh,680px);
  display:flex;
  align-items:flex-end;
  background:var(--dark-base) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(72deg,rgba(13,11,18,.95) 6%,rgba(13,11,18,.70) 44%,rgba(13,11,18,.34) 100%);
}
.hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:220px;
  background:linear-gradient(to top,#0D0B12 4%,rgba(13,11,18,0) 100%);
}
.hero-inner{
  position:relative;
  z-index:2;
  width:100%;
  padding:120px 0 76px;
}
.hero-tags{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  margin-bottom:22px;
}
.hero h1{
  max-width:900px;
  font-size:40px;
  line-height:1.30;
  color:#fff;
  letter-spacing:.02em;
  text-shadow:0 2px 24px rgba(0,0,0,.45);
  animation:heroIn .7s cubic-bezier(.22,.61,.36,1) both;
}
.hero-lead{
  max-width:640px;
  margin-top:20px;
  font-size:17px;
  line-height:1.85;
  color:var(--dt-2);
  animation:heroIn .7s cubic-bezier(.22,.61,.36,1) .1s both;
}
@keyframes heroIn{
  from{opacity:0;transform:translateY(16px);}
  to{opacity:1;transform:translateY(0);}
}
.hero-actions{
  display:flex;
  align-items:center;
  gap:14px;
  margin-top:34px;
  flex-wrap:wrap;
}
.hero-facts{
  display:flex;
  align-items:center;
  gap:36px;
  flex-wrap:wrap;
  margin-top:42px;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.10);
}
.hero-facts li{display:flex;flex-direction:column;gap:4px;}
.fact-num{
  font-family:var(--num-font);
  font-size:17px;
  font-weight:700;
  color:var(--support);
  letter-spacing:.04em;
}
.fact-label{font-size:13px;color:var(--dt-3);letter-spacing:.03em;}

/* ===== 横滑轨道 ===== */
.rail-block{position:relative;}
.rail-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
  flex-wrap:wrap;
}
.rail-nav{display:flex;gap:10px;}
.rail-btn{
  width:36px;height:36px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.08);
  color:var(--dt-1);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
  transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.rail-btn:hover{background:rgba(122,92,255,.28);border-color:var(--primary-line);transform:translateY(-1px);}
.rail-btn svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;}

.rail{
  display:flex;
  gap:16px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;
  -ms-overflow-style:none;
  padding:4px 4px 22px;
  margin:0 -4px;
}
.rail::-webkit-scrollbar{display:none;}
.rail > *{scroll-snap-align:start;flex:0 0 auto;}

/* 海报卡 16:9 */
.poster-card{
  width:250px;
  border-radius:var(--r-card);
  background:var(--dark-card);
  border:1px solid rgba(255,255,255,.08);
  overflow:hidden;
  box-shadow:var(--sh-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:block;
}
.poster-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-card-hover);
  border-color:var(--primary-line);
}
.poster-thumb{
  position:relative;
  aspect-ratio:16/9;
  background:var(--dark-2);
  overflow:hidden;
}
.poster-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform var(--ease);
}
.poster-card:hover .poster-thumb img{transform:scale(1.06);}
.poster-thumb .tag{position:absolute;left:10px;top:10px;}
.poster-body{
  padding:13px 14px 15px;
  min-height:56px;
}
.poster-title{
  font-size:15px;
  font-weight:600;
  color:var(--dt-1);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  letter-spacing:.01em;
}
.poster-meta{
  margin-top:6px;
  font-size:12px;
  color:var(--dt-3);
  display:flex;
  align-items:center;
  gap:8px;
}
.poster-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--dt-3);}

/* 竖版海报卡 3:4 */
.vposter-card{
  width:206px;
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--dark-2);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--sh-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:block;
}
.vposter-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-card-hover);
  border-color:var(--primary-line);
}
.vposter-thumb{
  position:relative;
  aspect-ratio:3/4;
  overflow:hidden;
}
.vposter-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.vposter-card:hover .vposter-thumb img{transform:scale(1.06);}
.vposter-thumb::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;
  height:40%;
  background:linear-gradient(to top,rgba(13,11,18,.92),rgba(13,11,18,0));
}
.vposter-thumb .tag{position:absolute;left:10px;top:10px;z-index:2;}
.vposter-name{
  position:absolute;
  left:14px;right:14px;bottom:14px;
  z-index:2;
  font-size:15px;
  font-weight:600;
  color:#fff;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

/* ===== 热播推荐 1大+3小 ===== */
.feature-grid{
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:24px;
}
.feature-main{
  display:block;
  background:#fff;
  border-radius:var(--r-panel);
  border:1px solid var(--light-line);
  box-shadow:var(--sh-light);
  overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.feature-main:hover{
  transform:translateY(-4px);
  box-shadow:0 16px 40px rgba(27,23,32,.12);
  border-color:var(--primary-line);
}
.feature-main .thumb{
  aspect-ratio:3/2;
  overflow:hidden;
  background:#EFEBE6;
}
.feature-main .thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.feature-main:hover .thumb img{transform:scale(1.06);}
.feature-main .body{padding:24px 26px 26px;}
.feature-main h3{font-size:21px;color:var(--lt-1);}
.feature-main p{
  margin-top:12px;
  font-size:15px;
  color:var(--lt-2);
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.feature-tags{margin-top:16px;display:flex;gap:8px;flex-wrap:wrap;}

.compact-list{display:flex;flex-direction:column;gap:16px;}
.compact-card{
  display:flex;
  gap:16px;
  align-items:center;
  background:#fff;
  border-radius:var(--r-card);
  border:1px solid var(--light-line);
  box-shadow:var(--sh-light);
  padding:14px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.compact-card:hover{
  transform:translateY(-4px);
  box-shadow:0 16px 40px rgba(27,23,32,.12);
  border-color:var(--primary-line);
}
.compact-thumb{
  width:96px;height:96px;
  border-radius:12px;
  overflow:hidden;
  flex-shrink:0;
  background:#EFEBE6;
}
.compact-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.compact-card:hover .compact-thumb img{transform:scale(1.06);}
.compact-body{flex:1;min-width:0;}
.compact-body h4{
  font-size:16px;
  color:var(--lt-1);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  line-height:1.5;
}
.compact-meta{
  margin-top:10px;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  color:var(--lt-3);
}
.compact-time{font-family:var(--num-font);font-weight:600;white-space:nowrap;}

/* ===== 资讯列表卡（CMS） ===== */
.news-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:#fff;
  border-radius:var(--r-card);
  border:1px solid var(--light-line);
  box-shadow:var(--sh-light);
  padding:26px 26px 22px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-card:hover{
  transform:translateY(-4px);
  box-shadow:0 16px 40px rgba(27,23,32,.12);
  border-color:var(--primary-line);
}
.news-title{
  font-size:16px;
  color:var(--lt-1);
  line-height:1.55;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-desc{
  margin-top:12px;
  font-size:14px;
  color:var(--lt-2);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  margin-top:auto;
  padding-top:18px;
  display:flex;
  align-items:center;
  gap:12px;
  font-size:12px;
  color:var(--lt-3);
  border-top:1px solid var(--light-line);
  margin-top:20px;
}
.news-time{font-family:var(--num-font);font-weight:600;white-space:nowrap;}
.news-more{margin-left:auto;color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:4px;}
.news-more i{font-style:normal;transition:transform var(--ease);}
.news-card:hover .news-more i{transform:translateX(3px);}

.filter-chips{display:flex;gap:8px;flex-wrap:wrap;}
.chip{
  height:32px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid var(--light-line);
  background:#fff;
  color:var(--lt-2);
  font-size:13px;
  display:inline-flex;
  align-items:center;
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.chip:hover{border-color:var(--primary-line);color:var(--primary);}
.chip.active{
  background:var(--primary-soft);
  border-color:var(--primary-line);
  color:var(--primary);
  font-weight:600;
}

.empty-state{
  text-align:center;
  padding:52px 20px;
  border:1px dashed var(--light-line);
  border-radius:var(--r-card);
  background:#fff;
}
.empty-state .empty-ico{
  width:52px;height:52px;
  margin:0 auto 16px;
  border-radius:50%;
  background:var(--primary-soft);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;
  font-family:var(--num-font);
  font-weight:700;
}
.empty-state p{font-size:15px;color:var(--lt-2);}
.empty-state .btn-line{margin-top:18px;height:42px;padding:0 20px;font-size:14px;}

/* ===== 分区 ===== */
.zone{padding:56px 0;}
.zone + .zone{border-top:1px solid;border-image:linear-gradient(90deg,rgba(122,92,255,.55),rgba(255,255,255,.04)) 1;}
.zone-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:24px;
  margin-bottom:28px;
  flex-wrap:wrap;
}
.zone-title-wrap{display:flex;gap:18px;align-items:flex-start;}
.zone-num{
  font-family:var(--num-font);
  font-size:44px;
  font-weight:700;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1px rgba(255,122,69,.55);
  letter-spacing:.02em;
}
.zone-title-wrap h3{font-size:22px;color:var(--dt-1);}
.zone-title-wrap p{
  margin-top:8px;
  font-size:13px;
  color:var(--dt-3);
  line-height:1.7;
  max-width:520px;
}

/* ===== FAQ ===== */
.faq-grid{
  display:grid;
  grid-template-columns:minmax(0,320px) minmax(0,1fr);
  gap:48px;
  align-items:start;
}
.faq-left h2{font-size:30px;color:var(--lt-1);}
.faq-left p{
  margin-top:16px;
  font-size:15px;
  color:var(--lt-2);
  line-height:1.85;
}
.faq-left .btn-line{margin-top:24px;}

.faq .accordion-item{
  border:1px solid var(--light-line);
  border-radius:var(--r-card);
  background:#fff;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--sh-light);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq .accordion-item:last-child{margin-bottom:0;}
.faq .accordion-item:hover{border-color:var(--primary-line);}
.faq .accordion-button{
  background:#fff;
  color:var(--lt-1);
  font-size:16px;
  font-weight:600;
  padding:20px 24px;
  box-shadow:none;
  border-radius:0;
  line-height:1.6;
  position:relative;
}
.faq .accordion-button:not(.collapsed){
  color:var(--primary);
  background:#fff;
  box-shadow:none;
}
.faq .accordion-button:not(.collapsed)::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:var(--primary);
}
.faq .accordion-button::after{
  background-image:none !important;
  content:"+";
  font-family:var(--num-font);
  font-size:22px;
  font-weight:400;
  color:var(--lt-3);
  width:24px;height:24px;
  display:flex;align-items:center;justify-content:center;
  transition:transform var(--ease),color var(--ease);
  flex-shrink:0;
  margin-left:16px;
}
.faq .accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);
  color:var(--primary);
}
.faq .accordion-button:focus{
  box-shadow:none;
  border-color:var(--light-line);
}
.faq .accordion-body{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.9;
  color:var(--lt-2);
}

/* ===== CTA ===== */
.cta-panel{
  position:relative;
  border-radius:var(--r-panel);
  overflow:hidden;
  background:var(--dark-2) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:64px 56px;
}
.cta-panel::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(13,11,18,.94) 4%,rgba(122,92,255,.42) 62%,rgba(13,11,18,.86) 100%);
}
.cta-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:48px;
  align-items:center;
}
.cta-inner h2{
  font-size:30px;
  color:#fff;
  line-height:1.4;
}
.cta-inner .cta-note{
  margin-top:16px;
  font-size:13px;
  color:var(--dt-3);
  line-height:1.8;
}
.cta-form{display:flex;flex-direction:column;gap:12px;}
.cta-row{display:flex;gap:12px;}
.cta-row input{
  flex:1;
  height:48px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:14px;
  padding:0 18px;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.cta-row input::placeholder{color:var(--dt-3);}
.cta-row input:focus{
  outline:none;
  border-color:var(--primary);
  background:rgba(255,255,255,.10);
  box-shadow:0 0 0 3px rgba(122,92,255,.18);
}
.cta-row .btn-main{flex-shrink:0;}
.cta-hint{font-size:13px;color:var(--dt-3);line-height:1.7;}
.cta-error{font-size:13px;color:var(--err);display:none;}
.cta-error.show{display:block;}

/* ===== 页脚 ===== */
.site-footer{
  background:#08070C;
  color:var(--dt-2);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:0;
}
.footer-col{padding:0 32px;}
.footer-col:first-child{padding-left:0;}
.footer-col:last-child{padding-right:0;}
.footer-col + .footer-col{border-left:1px solid rgba(255,255,255,.06);}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:9px;}
.footer-brand span{font-size:16px;font-weight:700;color:var(--dt-1);}
.footer-desc{font-size:13px;color:var(--dt-3);line-height:1.8;max-width:280px;}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--dt-1);
  margin-bottom:18px;
  letter-spacing:.06em;
}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{
  font-size:13.5px;
  color:var(--dt-3);
  transition:color var(--ease),transform var(--ease);
  display:inline-block;
}
.footer-links a:hover{color:var(--primary);transform:translateX(3px);}
.footer-note{font-size:13px;color:var(--dt-3);line-height:1.85;}
.footer-note strong{color:var(--dt-2);font-weight:600;}
.footer-bottom{
  margin-top:56px;
  border-top:1px solid rgba(255,255,255,.06);
  padding:22px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:#6E677C;
}
.footer-bottom .fb-links{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom .fb-links a:hover{color:var(--primary);}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .wrap{padding:0 24px;}
  .sec{padding:72px 0;}
  .hero h1{font-size:34px;}
  .feature-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:0;}
  .footer-col{padding:0 24px 32px 0;border-left:none !important;}
  .footer-col:nth-child(2){padding-left:24px;border-left:1px solid rgba(255,255,255,.06) !important;}
  .footer-col:nth-child(3){padding-left:0;}
  .footer-col:nth-child(4){padding-left:24px;border-left:1px solid rgba(255,255,255,.06) !important;}
}

@media (max-width:991px){
  .main-nav,
  .nav-tools .nav-search,
  .nav-tools .nav-ghost,
  .nav-tools .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .nav-inner{height:66px;justify-content:space-between;gap:12px;}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .cta-panel{padding:48px 32px;}
  .hero h1{font-size:30px;}
  .sec-head h2,
  .faq-left h2,
  .cta-inner h2{font-size:25px;}
}

@media (max-width:767px){
  .sec{padding:56px 0;}
  .hero-inner{padding:96px 0 60px;}
  .hero{min-height:440px;}
  .hero h1{font-size:27px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn-main,
  .hero-actions .btn-line{
    width:100%;
    max-width:320px;
  }
  .hero-facts{gap:24px;margin-top:32px;padding-top:22px;}
  .poster-card{width:224px;}
  .vposter-card{width:172px;}
  .zone{padding:44px 0;}
  .zone-num{font-size:34px;}
  .rail-nav{display:none;}
  .compact-card{flex-direction:row;}
  .cta-panel{padding:40px 24px;border-radius:16px;}
  .cta-row{flex-direction:column;}
  .cta-row .btn-main{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-col{padding:0 0 30px 0 !important;border-left:none !important;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media (max-width:575px){
  .wrap{padding:0 16px;}
  .brand-sub{display:none;}
  .brand-name{font-size:14.5px;}
  .hero h1{font-size:24px;}
  .hero-lead{font-size:15px;}
  .sec-head h2,
  .faq-left h2,
  .cta-inner h2{font-size:22px;}
  .feature-main .body{padding:20px;}
  .news-card{padding:22px 20px 18px;}
  .poster-card{width:200px;}
  .vposter-card{width:158px;}
  .faq .accordion-button{padding:16px 18px;font-size:15px;}
  .faq .accordion-body{padding:0 18px 18px;}
}

/* roulang page: category1 */
:root{
  --primary:#7A5CFF;
  --primary-hover:#6A4AEE;
  --primary-press:#5B3CD9;
  --accent:#FF7A45;
  --support:#2BE3C0;
  --dark-0:#0D0B12;
  --dark-1:#16121F;
  --dark-2:#1F1A2B;
  --card-dark:#221C30;
  --paper:#F7F5F2;
  --paper-card:#FFFFFF;
  --line-light:#E8E3DC;
  --line-dark:rgba(255,255,255,.08);
  --txt-dark:#F5F3F8;
  --txt-dark-2:#B9B2C7;
  --txt-dark-3:#8B8398;
  --txt:#1B1720;
  --txt-2:#5C5568;
  --txt-3:#8A8290;
  --ok:#35C88A;
  --warn:#FFB020;
  --err:#FF5A5A;
  --r-card:16px;
  --r-big:20px;
  --r-btn:10px;
  --r-tag:6px;
  --sh-card:0 6px 20px rgba(0,0,0,.28);
  --sh-card-hover:0 16px 40px rgba(0,0,0,.38);
  --sh-light:0 4px 16px rgba(27,23,32,.06);
  --sh-btn:0 8px 20px rgba(122,92,255,.32);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:0.28s var(--ease);
  --shell:1240px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  letter-spacing:.015em;
  color:var(--txt);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t)}
a:hover{color:var(--primary-hover)}
h1,h2,h3,h4{margin:0;line-height:1.32;letter-spacing:.02em;font-weight:800;color:inherit}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px}
.container{max-width:var(--shell);width:100%;margin:0 auto;padding:0 32px}
.wrap{max-width:var(--shell);width:100%;margin:0 auto;padding:0 32px}

/* ============ 按钮体系 ============ */
.btn-main,.btn-line,.btn-text{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;font-weight:600;transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t)}
.btn-main{
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  background:var(--primary);color:#fff;letter-spacing:.04em;
  box-shadow:0 6px 16px rgba(122,92,255,.28);
}
.btn-main:hover{background:var(--primary-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-btn)}
.btn-main:active{background:var(--primary-press);transform:translateY(0)}
.btn-line{
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  border:1px solid rgba(122,92,255,.55);color:#fff;background:transparent;
}
.btn-line:hover{background:rgba(122,92,255,.16);border-color:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-line.on-light{color:var(--primary);border-color:rgba(122,92,255,.5)}
.btn-line.on-light:hover{background:rgba(122,92,255,.1);color:var(--primary-hover)}
.btn-text{background:none;padding:0;color:var(--primary);font-weight:600;letter-spacing:.03em}
.btn-text .arw{display:inline-block;transition:transform var(--t)}
.btn-text:hover .arw{transform:translateX(3px)}
.btn-main:disabled,.btn-line:disabled,.btn-text:disabled{opacity:.45;pointer-events:none;transform:none;box-shadow:none}

/* ============ 标签 / 徽章 ============ */
.tag{display:inline-flex;align-items:center;height:24px;padding:0 9px;border-radius:var(--r-tag);font-size:12px;letter-spacing:.04em;white-space:nowrap}
.tag-solid{background:var(--accent);color:#fff;font-weight:600}
.tag-line{border:1px solid rgba(122,92,255,.42);color:var(--primary)}
.tag-line.on-dark{border-color:rgba(255,255,255,.22);color:var(--txt-dark-2)}
.tag-soft{background:rgba(43,227,192,.13);color:#12A98D;border:1px solid rgba(43,227,192,.35)}
.tag-dark{background:rgba(255,255,255,.08);color:var(--txt-dark-2);border:1px solid var(--line-dark)}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(13,11,18,.74);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background var(--t),border-color var(--t);
}
.site-header.is-stuck{background:var(--dark-0);border-bottom-color:var(--line-dark)}
.header-inner{
  max-width:var(--shell);margin:0 auto;padding:0 32px;
  height:74px;display:flex;align-items:center;gap:26px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:#fff}
.brand:hover{color:#fff}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),#4B2FBE);
  box-shadow:0 6px 16px rgba(122,92,255,.35);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:800;letter-spacing:.03em;color:#fff}
.brand-sub{font-size:11px;color:var(--txt-dark-3);letter-spacing:.08em}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.main-nav .nav-link{
  position:relative;padding:8px 12px;font-size:15px;color:var(--txt-dark-2);
  border-radius:8px;letter-spacing:.03em;
}
.main-nav .nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.main-nav .nav-link:hover{color:#fff;background:rgba(255,255,255,.05)}
.main-nav .nav-link:hover::after{transform:scaleX(1)}
.main-nav .nav-link.active{color:#fff;font-weight:600}
.main-nav .nav-link.active::after{transform:scaleX(1)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{position:relative;width:200px}
.nav-search input{
  width:100%;height:40px;border-radius:999px;padding:0 38px 0 16px;
  background:rgba(255,255,255,.07);border:1px solid var(--line-dark);
  color:#fff;font-size:14px;transition:border-color var(--t),background var(--t),box-shadow var(--t);
}
.nav-search input::placeholder{color:var(--txt-dark-3)}
.nav-search input:focus{outline:none;border-color:var(--primary);background:rgba(255,255,255,.1);box-shadow:0 0 0 3px rgba(122,92,255,.18)}
.nav-search .s-ico{position:absolute;right:13px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--txt-dark-3);pointer-events:none}
.hdr-btn-line{height:40px;padding:0 18px;border-radius:999px;border:1px solid rgba(255,255,255,.24);color:var(--txt-dark);font-size:14px;display:inline-flex;align-items:center;background:transparent}
.hdr-btn-line:hover{border-color:var(--primary);color:#fff;background:rgba(122,92,255,.16)}
.hdr-btn-pill{height:40px;padding:0 20px;border-radius:999px;background:var(--primary);color:#fff;font-size:14px;font-weight:600;display:inline-flex;align-items:center;box-shadow:0 6px 16px rgba(122,92,255,.3)}
.hdr-btn-pill:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line-dark);
  background:rgba(255,255,255,.06);color:#fff;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:rgba(122,92,255,.22)}
.offcanvas.off-dark{background:var(--dark-1);color:var(--txt-dark)}
.offcanvas.off-dark .offcanvas-header{border-bottom:1px solid var(--line-dark)}
.offcanvas.off-dark .btn-close{filter:invert(1) grayscale(1) brightness(2)}
.off-list a{display:block;padding:14px 4px;color:var(--txt-dark-2);border-bottom:1px solid var(--line-dark);font-size:16px}
.off-list a.active{color:#fff;font-weight:600;border-left:3px solid var(--primary);padding-left:12px}
.off-list a:hover{color:#fff;background:rgba(255,255,255,.04)}
.off-actions{display:flex;flex-direction:column;gap:12px;margin-top:22px}
.off-actions .hdr-btn-line,.off-actions .hdr-btn-pill{justify-content:center;height:46px}
.off-search input{
  width:100%;height:44px;border-radius:10px;padding:0 14px;background:rgba(255,255,255,.07);
  border:1px solid var(--line-dark);color:#fff;margin-top:18px;
}
.off-search input::placeholder{color:var(--txt-dark-3)}

/* ============ Hero ============ */
.page-hero{position:relative;background:var(--dark-0);overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.42;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(13,11,18,.94) 6%,rgba(13,11,18,.62) 52%,rgba(13,11,18,.3) 100%);
}
.hero-inner{
  position:relative;z-index:2;max-width:var(--shell);margin:0 auto;
  padding:96px 32px 78px;color:var(--txt-dark);
}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.hero-inner h1{
  font-size:clamp(28px,4.2vw,44px);color:#fff;max-width:920px;margin-bottom:20px;
  text-shadow:0 4px 24px rgba(0,0,0,.5);
}
.hero-sub{font-size:17px;line-height:1.85;color:var(--txt-dark-2);max-width:640px;margin-bottom:30px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:38px;padding-top:26px;border-top:1px solid var(--line-dark)}
.metric-num{font-family:var(--font-num);font-size:24px;font-weight:700;color:#fff;letter-spacing:.02em;line-height:1.3}
.metric-label{font-size:13px;color:var(--txt-dark-3);letter-spacing:.06em}

/* ============ 通用板块 ============ */
.sec{padding:78px 0}
.sec-dark{background:var(--dark-0);color:var(--txt-dark)}
.sec-dark-2{background:var(--dark-1);color:var(--txt-dark)}
.sec-paper{background:var(--paper)}
.sec-white{background:#fff}
.sec-dark .sec-head h2,.sec-dark-2 .sec-head h2{color:#fff}
.sec-dark .sec-desc,.sec-dark-2 .sec-desc{color:var(--txt-dark-2)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.sec-title{position:relative;padding-left:16px}
.sec-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.sec-title h2{font-size:clamp(23px,2.4vw,30px)}
.sec-desc{margin-top:10px;font-size:15px;color:var(--txt-2);max-width:640px;line-height:1.8}

/* ============ 筛选条 ============ */
.filter-bar{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  padding:16px 18px;margin-bottom:30px;
  background:#fff;border:1px solid var(--line-light);border-radius:var(--r-card);
  box-shadow:var(--sh-light);
}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-tag);
  border:1px solid var(--line-light);color:var(--txt-2);font-size:14px;background:#fff;
}
.chip:hover{border-color:rgba(122,92,255,.5);color:var(--primary);background:rgba(122,92,255,.06)}
.chip.active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}
.filter-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.filter-right label{font-size:13px;color:var(--txt-3)}
.sort-select{
  height:34px;border-radius:var(--r-tag);border:1px solid var(--line-light);
  background:#fff;color:var(--txt);padding:0 12px;font-size:14px;
}
.sort-select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(122,92,255,.15)}

/* ============ 网格海报卡 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.poster-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line-light);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-light);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.poster-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(27,23,32,.12);border-color:rgba(122,92,255,.45)}
.poster-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--dark-2)}
.poster-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.poster-card:hover .poster-media img{transform:scale(1.06)}
.poster-badge{position:absolute;left:12px;top:12px;z-index:2}
.poster-body{padding:18px 18px 20px}
.poster-body h3{font-size:17px;margin-bottom:10px}
.poster-body p{font-size:14px;line-height:1.75;color:var(--txt-2);margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.poster-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:var(--txt-3)}
.poster-meta .t{font-family:var(--font-num);font-weight:600;white-space:nowrap;color:var(--txt-3)}

/* ============ 分页 ============ */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:48px;flex-wrap:wrap}
.pager a,.pager span.pg{display:inline-flex;align-items:center;justify-content:center;height:38px;min-width:38px;padding:0 12px;border-radius:var(--r-btn);border:1px solid var(--line-light);background:#fff;color:var(--txt-2);font-size:14px;font-family:var(--font-num);font-weight:600}
.pager a:hover{border-color:var(--primary);color:var(--primary)}
.pager .current{background:var(--primary);border-color:var(--primary);color:#fff}
.pager .txt{font-family:var(--font-cn);font-weight:500;color:var(--txt-3)}
.pager .txt:hover{color:var(--primary)}

/* ============ 流程时间线 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;position:relative}
.step{
  position:relative;padding:26px 22px;border-radius:var(--r-card);
  background:var(--card-dark);border:1px solid var(--line-dark);
  transition:transform var(--t),border-color var(--t)
}
.step:hover{transform:translateY(-4px);border-color:rgba(122,92,255,.5)}
.step-num{font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--accent);line-height:1;margin-bottom:14px}
.step h3{font-size:17px;color:#fff;margin-bottom:10px}
.step p{font-size:14px;line-height:1.8;color:var(--txt-dark-2);margin:0}

/* ============ 双列要点 ============ */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.panel{
  background:#fff;border:1px solid var(--line-light);border-radius:var(--r-big);
  padding:30px;box-shadow:var(--sh-light);
}
.panel h3{font-size:19px;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.panel h3 .dot{width:8px;height:8px;border-radius:3px;background:var(--primary)}
.check-list li{position:relative;padding:0 0 14px 26px;font-size:15px;line-height:1.8;color:var(--txt-2)}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:14px;border-radius:4px;
  background:rgba(122,92,255,.14);border:1px solid rgba(122,92,255,.45);
}
.check-list li strong{color:var(--txt)}
.check-list li:last-child{padding-bottom:0}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:300px 1fr;gap:44px;align-items:start}
.faq-aside h2{font-size:clamp(22px,2.2vw,28px);margin-bottom:14px}
.faq-aside p{font-size:14.5px;color:var(--txt-2);line-height:1.85}
.accordion-item-faq{border:1px solid var(--line-light);border-radius:var(--r-card);background:#fff;margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-light)}
.accordion-item-faq:last-child{margin-bottom:0}
.faq-q{
  width:100%;text-align:left;background:none;border:0;padding:20px 52px 20px 22px;
  font-size:16px;font-weight:700;color:var(--txt);position:relative;cursor:pointer;line-height:1.6;
}
.faq-q::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--primary);transition:transform var(--t);line-height:1;
}
.faq-q[aria-expanded="true"]{box-shadow:inset 3px 0 0 var(--primary)}
.faq-q[aria-expanded="true"]::after{transform:translateY(-50%) rotate(45deg)}
.faq-a{padding:0 22px 22px;font-size:15px;line-height:1.9;color:var(--txt-2)}

/* ============ CTA ============ */
.cta-sec{position:relative;overflow:hidden;background:var(--dark-0)}
.cta-sec::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;opacity:.24;
}
.cta-sec::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(122,92,255,.5) 0%,rgba(13,11,18,.9) 62%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;color:var(--txt-dark)}
.cta-inner h2{font-size:clamp(23px,2.6vw,32px);color:#fff;margin-bottom:16px}
.cta-inner p{color:var(--txt-dark-2);font-size:15px}
.form-row{display:flex;gap:12px}
.form-row input{
  flex:1;height:48px;border-radius:var(--r-btn);border:1px solid var(--line-dark);
  background:rgba(255,255,255,.08);padding:0 16px;color:#fff;font-size:15px;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.form-row input::placeholder{color:var(--txt-dark-3)}
.form-row input:focus{outline:none;border-color:var(--primary);background:rgba(255,255,255,.12);box-shadow:0 0 0 3px rgba(122,92,255,.22)}
.form-hint{font-size:13px;color:var(--txt-dark-3);margin-top:12px;line-height:1.7}

/* ============ 页脚 ============ */
.site-footer{background:#08070C;color:var(--txt-dark-2);padding:64px 0 26px;border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:0}
.footer-col{padding:0 26px;border-right:1px solid rgba(255,255,255,.06)}
.footer-col:first-child{padding-left:0}
.footer-col:last-child{padding-right:0;border-right:0}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;margin-bottom:14px}
.footer-desc{font-size:14px;line-height:1.85;color:var(--txt-dark-3);margin:0}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:var(--txt-dark-2)}
.footer-links a:hover{color:#fff}
.footer-note{font-size:13.5px;line-height:2;color:var(--txt-dark-3);margin:0}
.footer-note strong{color:var(--txt-dark-2);font-weight:600}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--txt-dark-3);
}
.fb-links{display:flex;gap:20px}
.fb-links a{color:var(--txt-dark-3)}
.fb-links a:hover{color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .main-nav{gap:2px}
  .main-nav .nav-link{padding:8px 9px;font-size:14px}
  .nav-search{width:170px}
  .card-grid{gap:22px}
}
@media (max-width:991px){
  .container,.wrap,.header-inner,.hero-inner{padding-left:24px;padding-right:24px}
  .main-nav,.nav-search,.hdr-btn-line,.hdr-btn-pill{display:none}
  .nav-toggle{display:inline-flex}
  .sec{padding:56px 0}
  .hero-inner{padding-top:70px;padding-bottom:56px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .two-col{grid-template-columns:1fr}
  .faq-wrap{grid-template-columns:1fr;gap:30px}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px 0}
  .footer-col{padding:0 22px}
  .footer-col:nth-child(2){border-right:0}
}
@media (max-width:767px){
  .sec{padding:44px 0}
  .hero-sub{font-size:16px}
  .hero-metrics{gap:26px}
  .card-grid{gap:18px}
  .filter-right{margin-left:0;width:100%}
  .panel{padding:24px 20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-col{padding:0;border-right:0;border-bottom:1px solid rgba(255,255,255,.06);padding-bottom:26px;margin-bottom:26px}
  .footer-col:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575px){
  .container,.wrap,.header-inner,.hero-inner{padding-left:16px;padding-right:16px}
  body{font-size:15.5px}
  .card-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .hero-btns{flex-direction:column;align-items:stretch}
  .hero-btns .btn-main,.hero-btns .btn-line{width:100%;max-width:320px}
  .form-row{flex-direction:column}
  .form-row .btn-main{width:100%}
  .pager{gap:6px}
  .pager a,.pager span.pg{min-width:34px;height:34px;font-size:13px;padding:0 9px}
}

/* roulang page: article */
:root{
  --primary:#7A5CFF;
  --primary-h:#6A4AEE;
  --primary-p:#5B3CD9;
  --accent:#FF7A45;
  --support:#2BE3C0;
  --dark:#0D0B12;
  --dark-1:#16121F;
  --dark-2:#1F1A2B;
  --dark-card:#221C30;
  --paper:#F7F5F2;
  --card:#FFFFFF;
  --line:#E8E3DC;
  --tx-d:#F5F3F8;
  --tx-d2:#B9B2C7;
  --tx-d3:#8B8398;
  --tx:#1B1720;
  --tx2:#5C5568;
  --tx3:#8A8290;
  --ok:#35C88A;
  --warn:#FFB020;
  --err:#FF5A5A;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:10px;
  --r-tag:6px;
  --r-in:10px;
  --sh-card:0 6px 20px rgba(0,0,0,.28);
  --sh-card-h:0 16px 40px rgba(0,0,0,.38);
  --sh-light:0 4px 16px rgba(27,23,32,.06);
  --sh-light-h:0 12px 28px rgba(27,23,32,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:.28s var(--ease);
  --wrap:1240px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:Inter,system-ui,"PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  letter-spacing:.015em;
  color:var(--tx);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:var(--t);}
a:hover{color:var(--primary-h);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:inherit;line-height:1.32;letter-spacing:.02em;font-weight:700;}
p{margin:0 0 1.2em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px;}
.num{font-family:var(--font-num);font-weight:600;font-variant-numeric:tabular-nums;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(13,11,18,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background var(--t),border-color var(--t);
}
.site-header.is-solid{background:var(--dark);border-bottom-color:rgba(255,255,255,.1);}
.header-inner{
  display:flex;align-items:center;gap:28px;
  min-height:72px;padding:10px 0;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--tx-d);}
.brand:hover{color:#fff;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(140deg,var(--primary),#4B2FD6);
  box-shadow:0 6px 18px rgba(122,92,255,.35);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.02em;white-space:nowrap;}
.brand-sub{font-size:11px;color:var(--tx-d3);letter-spacing:.06em;margin-top:2px;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  position:relative;
  padding:9px 14px;border-radius:8px;
  font-size:15px;color:var(--tx-d2);
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-link:hover{color:var(--tx-d);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:#fff;}
.nav-link.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  position:relative;width:200px;
}
.search-box svg{
  position:absolute;left:13px;top:50%;transform:translateY(-50%);
  width:16px;height:16px;opacity:.55;
}
.search-box input{
  width:100%;height:40px;
  padding:0 14px 0 36px;
  font-size:14px;color:var(--tx-d);
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.1);
  border-radius:999px;
  transition:var(--t);
}
.search-box input::placeholder{color:var(--tx-d3);}
.search-box input:focus{
  outline:none;border-color:rgba(122,92,255,.7);
  background:rgba(255,255,255,.12);
  box-shadow:0 0 0 3px rgba(122,92,255,.18);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;
  font-size:15px;font-weight:600;
  border-radius:var(--r-btn);border:1px solid transparent;
  cursor:pointer;transition:var(--t);white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(122,92,255,.3);}
.btn-primary:hover{background:var(--primary-h);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(122,92,255,.42);}
.btn-primary:active{background:var(--primary-p);transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--tx-d);border-color:rgba(122,92,255,.55);}
.btn-ghost:hover{background:rgba(122,92,255,.14);border-color:var(--primary);color:#fff;transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--tx);border-color:var(--line);}
.btn-light:hover{background:#fff;color:var(--primary);border-color:rgba(122,92,255,.45);transform:translateY(-2px);box-shadow:var(--sh-light-h);}
.btn-pill{border-radius:999px;height:40px;padding:0 20px;font-size:14px;}
.btn:disabled,.btn.is-disabled{opacity:.45;pointer-events:none;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:600;font-size:14px;
}
.btn-text span{transition:transform var(--t);}
.btn-text:hover span{transform:translateX(3px);}
.nav-toggle{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
  border-radius:10px;color:var(--tx-d);cursor:pointer;
}
.nav-toggle:hover{border-color:rgba(122,92,255,.5);color:#fff;}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  background:var(--dark);
  color:var(--tx-d);
  overflow:hidden;
  padding:56px 0 64px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.34;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(13,11,18,.94) 0%,rgba(13,11,18,.70) 52%,rgba(31,26,43,.86) 100%);
}
.article-hero .wrap{position:relative;z-index:2;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--tx-d3);margin-bottom:22px;
}
.crumb a{color:var(--tx-d2);}
.crumb a:hover{color:#fff;}
.crumb .sep{opacity:.5;}
.crumb .current{color:var(--tx-d);}
.cat-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:26px;padding:0 12px;
  font-size:12px;letter-spacing:.04em;
  border-radius:var(--r-tag);
  background:rgba(122,92,255,.18);
  border:1px solid rgba(122,92,255,.5);
  color:#CFC4FF;
  margin-bottom:20px;
}
.article-hero h1{
  font-size:clamp(26px,4vw,40px);
  line-height:1.34;
  color:#fff;
  max-width:900px;
  margin-bottom:20px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  font-size:14px;color:var(--tx-d2);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--tx-d3);}
.article-meta .num{color:var(--tx-d);}

/* ============ 正文区 ============ */
.article-main{padding:72px 0 88px;background:var(--paper);}
.article-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:48px;
  align-items:start;
}
.article-col{max-width:780px;}
.article-cover{
  border-radius:var(--r-lg);
  overflow:hidden;
  margin-bottom:40px;
  box-shadow:var(--sh-light);
  background:var(--dark-2);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.article-body{
  font-size:16px;
  line-height:1.95;
  color:var(--tx);
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:44px 44px 34px;
  box-shadow:var(--sh-light);
}
.article-body > p:first-of-type{font-size:17px;color:var(--tx);}
.article-body h2{
  font-size:clamp(21px,2.4vw,30px);
  margin:40px 0 16px;
  padding-left:14px;
  position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:3px;background:var(--primary);
}
.article-body h3{font-size:21px;margin:32px 0 12px;color:var(--tx);}
.article-body h4{font-size:17px;margin:24px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:0;}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:22px;margin-bottom:10px;color:var(--tx2);
}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;
  width:7px;height:7px;border-radius:2px;background:var(--primary);opacity:.85;
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;}
.article-body ol li::before{
  content:counter(li);
  position:absolute;left:0;top:0;
  font-family:var(--font-num);font-weight:700;font-size:14px;color:var(--accent);
}
.article-body blockquote{
  margin:28px 0;
  padding:18px 22px;
  border-left:3px solid var(--primary);
  background:rgba(122,92,255,.07);
  border-radius:0 12px 12px 0;
  color:var(--tx2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:26px auto;}
.article-body figure{margin:26px 0;}
.article-body figcaption{
  font-size:13px;color:var(--tx3);text-align:center;margin-top:10px;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body thead th{
  background:var(--dark-1);color:var(--tx-d);font-weight:600;
  padding:12px 14px;text-align:left;
}
.article-body tbody td{padding:12px 14px;color:var(--tx2);border-top:1px solid var(--line);}
.article-body tbody tr:nth-child(even){background:#FBFAF8;}
.article-body pre{
  background:var(--dark-1);color:#D8D2E6;
  padding:18px 20px;border-radius:12px;
  overflow-x:auto;font-size:14px;line-height:1.7;
  margin:26px 0;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.92em;
  background:rgba(122,92,255,.1);
  color:var(--primary-p);
  padding:2px 6px;border-radius:6px;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body a{border-bottom:1px solid rgba(122,92,255,.35);}
.article-body a:hover{border-bottom-color:var(--primary);}
.article-body hr{border:none;height:1px;background:var(--line);margin:34px 0;}

/* 空态 */
.empty-state{
  text-align:center;padding:56px 24px;
  background:var(--card);
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
}
.empty-state .es-icon{
  width:52px;height:52px;margin:0 auto 16px;
  display:flex;align-items:center;justify-content:center;
  border-radius:16px;background:rgba(122,92,255,.1);
}
.empty-state .es-icon svg{width:26px;height:26px;}
.empty-state p{color:var(--tx2);font-size:15px;margin-bottom:20px;}
.empty-state .btn{height:42px;padding:0 22px;font-size:14px;}

/* 标签 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0 0;}
.tag{
  display:inline-flex;align-items:center;
  height:24px;padding:0 12px;
  font-size:12px;color:var(--tx2);
  border:1px solid var(--line);
  border-radius:var(--r-tag);
  background:#fff;
  transition:var(--t);
}
.tag:hover{background:var(--primary);border-color:var(--primary);color:#fff;}

/* 侧栏 */
.article-aside{
  position:sticky;top:100px;
  display:flex;flex-direction:column;gap:20px;
}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--sh-light);
}
.side-card h3{
  font-size:16px;margin-bottom:16px;
  display:flex;align-items:center;gap:8px;
}
.side-card h3::before{
  content:"";width:4px;height:16px;border-radius:2px;background:var(--accent);
}
.side-list li + li{border-top:1px solid var(--line);}
.side-list a{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;font-size:14px;color:var(--tx2);line-height:1.6;
}
.side-list a:hover{color:var(--primary);}
.side-list .sn{
  font-family:var(--font-num);font-weight:700;font-size:16px;color:var(--accent);
  flex:0 0 22px;
}
.side-note{
  background:linear-gradient(150deg,var(--dark-2),var(--dark-1));
  border-color:rgba(255,255,255,.08);
  color:var(--tx-d2);
}
.side-note h3{color:#fff;}
.side-note p{font-size:14px;line-height:1.8;margin-bottom:18px;}
.side-note .btn{width:100%;height:42px;font-size:14px;}

/* 继续阅读 */
.read-next{margin-top:56px;}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:24px;
}
.sec-head h2{font-size:clamp(20px,2.2vw,26px);}
.sec-head p{font-size:14px;color:var(--tx3);margin:6px 0 0;}
.next-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.next-card{
  display:block;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--sh-light);
  transition:var(--t);
}
.next-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-light-h);
  border-color:rgba(122,92,255,.45);
}
.next-card .nc-label{font-size:12px;color:var(--accent);letter-spacing:.06em;margin-bottom:10px;}
.next-card h3{font-size:17px;color:var(--tx);margin-bottom:8px;}
.next-card p{font-size:14px;color:var(--tx2);line-height:1.7;margin:0;}

/* 相关推荐 */
.related{margin-top:64px;}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rel-card{
  display:block;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-light);transition:var(--t);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-light-h);border-color:rgba(122,92,255,.45);}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--dark-2);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.rel-card:hover .rel-thumb img{transform:scale(1.06);}
.rel-body{padding:16px 18px 18px;}
.rel-body h3{
  font-size:15px;color:var(--tx);line-height:1.55;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-body .rb-meta{font-size:12px;color:var(--tx3);display:flex;gap:10px;align-items:center;}

/* ============ FAQ ============ */
.faq-section{background:var(--paper);padding:0 0 88px;}
.faq-layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:48px;align-items:start;}
.faq-intro h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px;}
.faq-intro p{font-size:15px;color:var(--tx2);}
.faq-acc .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:#fff;
  margin-bottom:12px;
  overflow:hidden;
  transition:var(--t);
}
.faq-acc .accordion-item:hover{border-color:rgba(122,92,255,.45);}
.faq-acc .accordion-button{
  font-size:16px;font-weight:700;color:var(--tx);
  background:#fff;padding:18px 54px 18px 20px;
  border-radius:0;box-shadow:none;
  border-left:3px solid transparent;
  transition:var(--t);
}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;
  font-size:22px;font-weight:400;line-height:1;
  width:auto;height:auto;color:var(--primary);
  transform:none;transition:transform var(--t);
  position:absolute;right:20px;top:50%;margin-top:-13px;
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--primary-p);
  background:rgba(122,92,255,.06);
  border-left-color:var(--primary);
  box-shadow:none;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 3px rgba(122,92,255,.18);}
.faq-acc .accordion-body{
  font-size:15px;line-height:1.9;color:var(--tx2);
  padding:4px 24px 20px;
}

/* ============ CTA ============ */
.cta-section{
  position:relative;
  background:var(--dark-1);
  color:var(--tx-d);
  padding:80px 0;
  overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  opacity:.22;
}
.cta-section::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(122,92,255,.55) 0%,rgba(13,11,18,.92) 62%);
}
.cta-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,460px);
  gap:48px;align-items:center;
}
.cta-inner h2{font-size:clamp(22px,2.8vw,30px);color:#fff;margin-bottom:14px;}
.cta-inner p{color:var(--tx-d2);font-size:15px;margin-bottom:0;}
.cta-form{display:flex;gap:12px;}
.cta-form input{
  flex:1;height:48px;padding:0 16px;
  font-size:15px;color:var(--tx);
  background:#fff;border:1px solid transparent;
  border-radius:var(--r-in);
  transition:var(--t);
}
.cta-form input:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(122,92,255,.28);
}
.cta-form .btn{height:48px;padding:0 26px;}
.cta-hint{font-size:13px;color:var(--tx-d3);margin-top:12px;}

/* ============ 页脚 ============ */
.site-footer{
  background:#09070D;
  color:var(--tx-d2);
  padding:64px 0 28px;
  border-top:1px solid rgba(255,255,255,.06);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:0;
}
.footer-col{padding:0 28px;}
.footer-col:first-child{padding-left:0;}
.footer-col:last-child{padding-right:0;}
.footer-col + .footer-col{border-left:1px solid rgba(255,255,255,.06);}
.footer-brand{
  display:flex;align-items:center;gap:12px;
  color:#fff;font-size:16px;font-weight:700;margin-bottom:14px;
}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;}
.footer-desc{font-size:14px;color:var(--tx-d3);line-height:1.8;margin:0;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--tx-d2);}
.footer-links a:hover{color:var(--primary);}
.footer-note{font-size:13px;line-height:1.9;color:var(--tx-d3);margin:0;}
.footer-note strong{color:var(--tx-d2);font-weight:600;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px;margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.06);
  font-size:13px;color:var(--tx-d3);
}
.fb-links{display:flex;gap:20px;}
.fb-links a{color:var(--tx-d3);}
.fb-links a:hover{color:var(--primary);}

/* 移动端抽屉 */
.offcanvas{background:var(--dark-1);color:var(--tx-d);}
.offcanvas-header{border-bottom:1px solid rgba(255,255,255,.08);}
.offcanvas-title{font-size:16px;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin:20px 0;}
.drawer-nav a{
  padding:13px 14px;border-radius:10px;
  color:var(--tx-d2);font-size:15px;
  background:rgba(255,255,255,.03);
}
.drawer-nav a:hover,.drawer-nav a.active{background:rgba(122,92,255,.16);color:#fff;}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:8px;}
.drawer-actions .btn{width:100%;}
.btn-close{filter:invert(1) grayscale(1);opacity:.7;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .wrap{padding:0 24px;}
  .article-grid{grid-template-columns:minmax(0,1fr);gap:0;}
  .article-aside{position:static;margin-top:40px;flex-direction:row;flex-wrap:wrap;}
  .article-aside .side-card{flex:1 1 280px;}
  .article-col{max-width:none;}
}
@media (max-width:991.98px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .search-box{width:160px;}
  .header-actions .btn-pill{display:none;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .footer-col{padding:0;}
  .footer-col + .footer-col{border-left:none;}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .cta-inner{grid-template-columns:minmax(0,1fr);gap:28px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .article-main{padding:48px 0 64px;}
  .faq-section{padding-bottom:64px;}
  .cta-section{padding:56px 0;}
}
@media (max-width:767.98px){
  .search-box{display:none;}
  .article-hero{padding:40px 0 48px;}
  .article-body{padding:30px 22px 24px;}
  .article-meta{gap:8px 14px;font-size:13px;}
  .next-grid{grid-template-columns:minmax(0,1fr);}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .site-footer{padding:48px 0 24px;}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px;}
  .brand-name{font-size:14px;}
  .brand-sub{display:none;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .cta-form{flex-direction:column;}
  .cta-form .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .article-body h2{margin-top:32px;}
}

/* roulang page: category2 */
:root{
  --primary:#7A5CFF;
  --primary-hover:#6A4AEE;
  --primary-press:#5B3CD9;
  --accent:#FF7A45;
  --support:#2BE3C0;
  --d-base:#0D0B12;
  --d-1:#16121F;
  --d-2:#1F1A2B;
  --d-card:#221C30;
  --d-text:#F5F3F8;
  --d-text-2:#B9B2C7;
  --d-text-3:#8B8398;
  --l-base:#F7F5F2;
  --l-card:#FFFFFF;
  --l-line:#E8E3DC;
  --l-text:#1B1720;
  --l-text-2:#5C5568;
  --l-text-3:#8A8290;
  --ok:#35C88A;
  --warn:#FFB020;
  --err:#FF5A5A;
  --r-card:16px;
  --r-big:20px;
  --r-btn:10px;
  --r-tag:6px;
  --sh-dark:0 6px 20px rgba(0,0,0,.28);
  --sh-dark-hover:0 16px 40px rgba(0,0,0,.38);
  --sh-light:0 4px 16px rgba(27,23,32,.06);
  --ease:0.28s cubic-bezier(.22,.61,.36,1);
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.015em;
  color:var(--l-text);
  background:var(--l-base);
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--primary-hover);text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease)}
a:hover{color:var(--primary-press)}
h1,h2,h3,h4{margin:0;line-height:1.32;letter-spacing:.02em;font-weight:700}
p{margin:0 0 1.2em}
ul,ol{margin:0;padding:0}
button,input,select,textarea{font:inherit;color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.num{font-family:Inter,system-ui,sans-serif;font-weight:600}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(13,11,18,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background var(--ease),border-color var(--ease);
}
.site-header.is-solid{background:var(--d-base);border-bottom-color:rgba(255,255,255,.12)}
.header-inner{display:flex;align-items:center;gap:22px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--d-text)}
.brand:hover{color:var(--d-text)}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(140deg,#8E72FF,#5B3CD9);
  display:grid;place-items:center;
  box-shadow:0 6px 16px rgba(122,92,255,.3);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:15px;font-weight:700;letter-spacing:.02em}
.brand-text em{font-style:normal;font-size:11px;color:var(--d-text-3);margin-top:3px;letter-spacing:.04em}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;
  font-size:15px;color:var(--d-text-2);border-radius:8px;
  transition:color var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;
  background:var(--primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-link:hover{color:var(--d-text)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--d-text)}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search svg{position:absolute;left:14px;width:16px;height:16px;stroke:var(--d-text-3);fill:none;stroke-width:1.8;pointer-events:none}
.nav-search input{
  width:200px;height:42px;padding:0 16px 0 40px;border-radius:999px;
  border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.05);
  color:var(--d-text);font-size:14px;outline:none;transition:border-color var(--ease),box-shadow var(--ease)
}
.nav-search input::placeholder{color:var(--d-text-3)}
.nav-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(122,92,255,.18)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);
  color:var(--d-text);cursor:pointer;place-items:center;
}
.nav-toggle svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.9}
.mobile-panel{
  display:none;background:var(--d-base);border-top:1px solid rgba(255,255,255,.08);
  padding:18px 0 24px;
}
.mobile-panel.open{display:block}
.mobile-panel .mp-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:16px}
.mobile-panel .mp-nav a{padding:12px 4px;color:var(--d-text-2);font-size:16px;border-bottom:1px solid rgba(255,255,255,.06)}
.mobile-panel .mp-nav a.active{color:var(--d-text)}
.mobile-panel .mp-search{display:flex;gap:10px;margin-bottom:14px}
.mobile-panel .mp-search input{
  flex:1;height:44px;border-radius:10px;padding:0 14px;
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);color:var(--d-text);outline:none;font-size:14px
}
.mobile-panel .mp-actions{display:flex;gap:10px;flex-wrap:wrap}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn.primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(122,92,255,.24)}
.btn.primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(122,92,255,.36)}
.btn.primary:active{background:var(--primary-press);transform:translateY(0)}
.btn.ghost{border-color:rgba(122,92,255,.55);color:#CFC5FF;background:transparent}
.btn.ghost:hover{background:rgba(122,92,255,.14);border-color:var(--primary);color:#fff;transform:translateY(-2px)}
.btn.ghost:active{background:rgba(122,92,255,.22);transform:translateY(0)}
.btn.light{background:#fff;border-color:var(--l-line);color:var(--l-text)}
.btn.light:hover{border-color:rgba(122,92,255,.45);color:var(--primary-press);transform:translateY(-2px);box-shadow:var(--sh-light)}
.btn.pill{border-radius:999px;height:42px;padding:0 22px;font-size:14px}
.btn.sm{height:38px;padding:0 16px;font-size:14px}
.btn.block{width:100%}
.btn[disabled],.btn.is-done{opacity:.45;pointer-events:none}
.text-link{
  display:inline-flex;align-items:center;gap:6px;margin-left:auto;
  color:var(--primary-hover);font-size:14px;font-weight:600;
}
.text-link .arrow{transition:transform var(--ease)}
.text-link:hover{color:var(--primary-press)}
.text-link:hover .arrow{transform:translateX(3px)}

/* ============ sections ============ */
.sec{padding:90px 0;position:relative}
.sec.light{background:var(--l-base);color:var(--l-text)}
.sec.light .sec-title{color:var(--l-text)}
.sec.light .sec-desc{color:var(--l-text-3)}
.sec.dark{background:var(--d-base);color:var(--d-text)}
.sec.dark-1{background:var(--d-1);color:var(--d-text)}
.sec.dark .sec-title,.sec.dark-1 .sec-title{color:var(--d-text)}
.sec.dark .sec-desc,.sec.dark-1 .sec-desc{color:var(--d-text-3)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap;margin-bottom:30px}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--primary);margin-bottom:12px}
.sec.light .eyebrow{color:var(--primary-hover)}
.sec-title{font-size:clamp(23px,2.4vw,30px)}
.sec-desc{font-size:15px;line-height:1.85;max-width:660px;margin:12px 0 0}
.sec-divider{height:1px;background:linear-gradient(90deg,rgba(122,92,255,0),rgba(122,92,255,.45),rgba(122,92,255,0))}

/* ============ page hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--d-base) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding:92px 0 78px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(13,11,18,.95) 0%,rgba(13,11,18,.78) 44%,rgba(31,26,43,.44) 100%);
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:170px;
  background:linear-gradient(180deg,rgba(13,11,18,0),var(--d-base));
}
.page-hero .wrap{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;list-style:none;padding:0;margin:0 0 22px;font-size:13px;color:var(--d-text-3)}
.crumbs li{display:flex;align-items:center}
.crumbs li+li::before{content:"/";margin:0 10px;color:#4C4559}
.crumbs a{color:var(--d-text-3)}
.crumbs a:hover{color:#CFC5FF}
.crumbs li[aria-current]{color:var(--d-text-2)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.hero-tag{
  font-size:12px;padding:5px 12px;border-radius:var(--r-tag);
  border:1px solid rgba(43,227,192,.4);color:var(--support);background:rgba(43,227,192,.08);
}
.hero-tag.alt{border-color:rgba(255,122,69,.42);color:#FF9E74;background:rgba(255,122,69,.09)}
.page-title{
  font-size:clamp(28px,3.6vw,40px);color:var(--d-text);
  max-width:900px;margin:0 0 20px;
}
.page-sub{
  font-size:16.5px;line-height:1.9;color:var(--d-text-2);
  max-width:780px;margin:0 0 28px;
}
.page-sub strong{color:var(--d-text);font-weight:600}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;list-style:none;padding:0;margin:0}
.hero-meta li{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--d-text-2);
  padding:8px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.04);
}
.hero-meta li i{width:6px;height:6px;border-radius:50%;background:var(--primary);display:block}

/* ============ filter bar ============ */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:16px 18px;background:var(--l-card);
  border:1px solid var(--l-line);border-radius:var(--r-card);
  box-shadow:var(--sh-light);margin-bottom:28px;
}
.filter-label{font-size:13px;color:var(--l-text-3);margin-right:4px}
.chip{
  font-size:13px;padding:7px 14px;border-radius:999px;
  border:1px solid var(--l-line);color:var(--l-text-2);
  background:#fff;cursor:pointer;transition:all var(--ease);
}
.chip:hover{border-color:rgba(122,92,255,.45);color:var(--primary-press)}
.chip.active{background:var(--primary);border-color:var(--primary);color:#fff}
.sort-select{
  margin-left:auto;height:40px;padding:0 34px 0 14px;border-radius:10px;
  border:1px solid var(--l-line);background:#fff;color:var(--l-text-2);
  font-size:13.5px;appearance:none;cursor:pointer;
  background-image:linear-gradient(45deg,transparent 50%,#8A8290 50%),linear-gradient(135deg,#8A8290 50%,transparent 50%);
  background-position:calc(100% - 18px) 18px,calc(100% - 13px) 18px;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.sort-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(122,92,255,.18);outline:none}

/* ============ row cards ============ */
.row-card{
  display:flex;gap:20px;padding:18px;margin-bottom:18px;
  background:var(--l-card);border:1px solid var(--l-line);border-radius:var(--r-card);
  box-shadow:var(--sh-light);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.row-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(27,23,32,.1);border-color:rgba(122,92,255,.45)}
.rc-thumb{
  position:relative;flex:0 0 240px;height:150px;border-radius:12px;overflow:hidden;
  background:var(--d-card);
}
.rc-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.row-card:hover .rc-thumb img{transform:scale(1.06)}
.badge-accent{
  position:absolute;top:10px;left:10px;font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:var(--r-tag);background:var(--accent);color:#fff;
}
.badge-support{
  position:absolute;top:10px;left:10px;font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:var(--r-tag);
  background:rgba(43,227,192,.14);color:var(--support);border:1px solid rgba(43,227,192,.45);
}
.rc-body{flex:1;min-width:0;display:flex;flex-direction:column}
.rc-index{
  font-family:Inter,system-ui;font-weight:700;font-size:13px;color:var(--accent);
  letter-spacing:.1em;margin-bottom:6px;
}
.rc-body h3{font-size:17.5px;margin:0 0 10px;color:var(--l-text)}
.rc-body h3 a{color:inherit}
.rc-body h3 a:hover{color:var(--primary-press)}
.rc-body p{
  font-size:14px;line-height:1.8;color:var(--l-text-2);margin:0 0 12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rc-points{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px;padding:0}
.rc-points li{
  font-size:12.5px;color:var(--l-text-2);padding:4px 10px;border-radius:var(--r-tag);
  background:var(--l-base);border:1px solid var(--l-line);
}
.rc-foot{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:auto;padding-top:12px;border-top:1px dashed var(--l-line)}
.tag{font-size:12px;padding:4px 10px;border-radius:var(--r-tag);border:1px solid var(--l-line);color:var(--l-text-2)}
.tag.accent{background:var(--accent);border-color:var(--accent);color:#fff}
.tag.support{background:rgba(43,227,192,.12);border-color:rgba(43,227,192,.4);color:#128F78}

/* ============ sidebar ============ */
.side-card{
  background:var(--l-card);border:1px solid var(--l-line);border-radius:var(--r-card);
  padding:22px;margin-bottom:20px;box-shadow:var(--sh-light);
}
.side-card h3{
  font-size:16px;display:flex;align-items:center;gap:10px;margin:0 0 16px;color:var(--l-text);
}
.side-card h3::before{content:"";width:3px;height:16px;border-radius:2px;background:var(--primary)}
.rank-list{list-style:none;padding:0;margin:0}
.rank-list li{
  display:flex;gap:12px;align-items:flex-start;padding:11px 0;
  border-bottom:1px dashed var(--l-line);
}
.rank-list li:last-child{border-bottom:0;padding-bottom:0}
.rank-no{
  flex:0 0 28px;font-family:Inter,system-ui;font-weight:700;font-size:20px;
  line-height:1.25;color:var(--accent);
}
.rank-list a{font-size:14px;color:var(--l-text);line-height:1.6;display:block}
.rank-list a:hover{color:var(--primary-press)}
.rank-meta{display:block;font-size:12px;color:var(--l-text-3);margin-top:4px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{
  font-size:13px;padding:6px 13px;border-radius:999px;
  border:1px solid var(--l-line);color:var(--l-text-2);background:#fff;
  transition:all var(--ease);
}
.tag-cloud a:hover{border-color:var(--support);background:rgba(43,227,192,.1);color:var(--l-text)}
.cta-mini{
  background:linear-gradient(150deg,var(--d-2),var(--d-1));
  border:1px solid rgba(255,255,255,.08);border-radius:var(--r-card);
  padding:24px;margin-bottom:20px;color:var(--d-text);
}
.cta-mini h3{font-size:16px;color:var(--d-text);display:flex;align-items:center;gap:10px;margin:0 0 12px}
.cta-mini h3::before{content:"";width:3px;height:16px;border-radius:2px;background:var(--accent)}
.cta-mini p{font-size:13.5px;line-height:1.85;color:var(--d-text-2);margin:0 0 18px}
.load-more-wrap{text-align:center;padding:14px 0 0}
.load-tip{font-size:13px;color:var(--l-text-3);margin:12px 0 0;display:none}

/* ============ timeline ============ */
.tl-grid{display:grid;gap:16px}
.tl-item{
  display:flex;gap:20px;align-items:flex-start;padding:22px 24px;
  background:var(--d-card);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-card);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.tl-item:hover{transform:translateY(-4px);border-color:rgba(122,92,255,.45);box-shadow:var(--sh-dark-hover)}
.tl-no{
  flex:0 0 auto;font-family:Inter,system-ui;font-weight:700;font-size:24px;line-height:1;
  color:var(--accent);min-width:38px;
}
.tl-body h3{font-size:17px;color:var(--d-text);margin:0 0 8px}
.tl-body p{font-size:14px;line-height:1.85;color:var(--d-text-2);margin:0}

/* ============ scene cards ============ */
.scene-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.scene-card{
  background:var(--d-card);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-card);
  padding:24px;transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(122,92,255,.45);box-shadow:var(--sh-dark-hover)}
.scene-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(122,92,255,.16);color:#CFC5FF;margin-bottom:16px;
}
.scene-icon svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7}
.scene-card h3{font-size:16px;color:var(--d-text);margin:0 0 10px}
.scene-card p{font-size:13.5px;line-height:1.85;color:var(--d-text-2);margin:0}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:.85fr 1.4fr;gap:48px;align-items:start}
.faq-side .sec-desc{margin-bottom:22px}
.faq-side .side-note{
  font-size:13.5px;line-height:1.9;color:var(--l-text-2);
  background:#fff;border:1px solid var(--l-line);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--sh-light);
}
.accordion-item{
  background:#fff;border:1px solid var(--l-line)!important;
  border-radius:14px!important;margin-bottom:12px;overflow:hidden;
}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{
  background:#fff;color:var(--l-text);font-size:16px;font-weight:600;
  padding:18px 22px;box-shadow:none!important;border-radius:14px!important;
  letter-spacing:.015em;
}
.accordion-button:not(.collapsed){color:var(--primary-press);border-left:3px solid var(--primary)}
.accordion-button::after{
  background-image:none;content:"＋";color:var(--primary);font-size:17px;font-weight:600;
  width:auto;height:auto;display:grid;place-items:center;transform:none;
  transition:transform var(--ease);margin-left:auto;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(122,92,255,.18)!important;z-index:2}
.accordion-body{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--l-text-2)}
.accordion-body p:last-child{margin-bottom:0}

/* ============ CTA band ============ */
.cta-band{
  position:relative;overflow:hidden;padding:88px 0;
  background:var(--d-base) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(122,92,255,.55) 0%,rgba(13,11,18,.94) 62%,rgba(13,11,18,.98) 100%);
}
.cta-band .wrap{position:relative;z-index:2}
.cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.cta-grid h2{font-size:clamp(23px,2.4vw,30px);color:var(--d-text);margin:0 0 14px}
.cta-grid p{font-size:15px;line-height:1.9;color:var(--d-text-2);margin:0 0 16px;max-width:560px}
.cta-note{font-size:13px;color:var(--d-text-3);line-height:1.8;margin:0}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-form input{
  flex:1;min-width:220px;height:48px;padding:0 16px;border-radius:10px;
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);
  color:var(--d-text);font-size:15px;outline:none;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.cta-form input::placeholder{color:var(--d-text-3)}
.cta-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(122,92,255,.18)}
.form-hint{font-size:13px;color:var(--d-text-3);margin:12px 0 0}
.form-msg{font-size:13px;margin:8px 0 0;display:none}
.form-msg.err{color:var(--err)}
.form-msg.ok{color:var(--ok)}

/* ============ footer ============ */
.site-footer{background:var(--d-base);color:var(--d-text-2);padding:74px 0 0;border-top:1px solid rgba(255,255,255,.06)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:0;padding-bottom:44px}
.footer-col{padding-right:32px}
.footer-col+.footer-col{border-left:1px solid rgba(255,255,255,.06);padding-left:32px;padding-right:0}
.footer-col:last-child{border-left:1px solid rgba(255,255,255,.06);padding-left:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--d-text);font-weight:700;font-size:15px;margin-bottom:14px}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:10px}
.footer-brand .brand-mark svg{width:18px;height:18px}
.footer-desc{font-size:13.5px;line-height:1.85;color:var(--d-text-3);margin:0;max-width:330px}
.footer-col h4{font-size:14px;color:var(--d-text);margin:0 0 18px;letter-spacing:.04em}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:var(--d-text-2);font-size:14px}
.footer-links a:hover{color:#CFC5FF}
.footer-note{font-size:13.5px;line-height:1.95;color:var(--d-text-3);margin:0}
.footer-note strong{color:var(--d-text-2);font-weight:600}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
  padding:22px 0 30px;border-top:1px solid rgba(255,255,255,.06);
  font-size:13px;color:var(--d-text-3);
}
.fb-links{display:flex;gap:20px;flex-wrap:wrap}
.fb-links a{color:var(--d-text-3);font-size:13px}
.fb-links a:hover{color:#CFC5FF}

/* ============ responsive ============ */
@media (max-width:1199px){
  .wrap{padding:0 24px}
  .nav-search input{width:170px}
  .footer-col{padding-right:24px}
  .footer-col+.footer-col{padding-left:24px}
  .footer-col:last-child{padding-left:24px}
}
@media (max-width:991px){
  .header-inner{height:66px}
  .main-nav{display:none}
  .nav-search{display:none}
  .nav-toggle{display:grid}
  .sec{padding:60px 0}
  .page-hero{padding:70px 0 58px}
  .row-card{flex-direction:row}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .footer-col{padding-right:0}
  .footer-col+.footer-col,.footer-col:last-child{border-left:0;padding-left:0}
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  body{font-size:15.5px}
  .sec{padding:48px 0}
  .page-hero{padding:56px 0 48px}
  .page-sub{font-size:15.5px}
  .hero-actions .btn{width:100%;max-width:320px}
  .row-card{flex-direction:column;gap:16px;padding:16px}
  .rc-thumb{flex:none;width:100%;height:186px}
  .text-link{margin-left:0}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575px){
  .scene-grid{grid-template-columns:1fr}
  .sort-select{margin-left:0;width:100%}
  .rc-thumb{height:170px}
  .tl-item{flex-direction:column;gap:12px}
  .cta-form input{min-width:100%}
  .cta-form .btn{width:100%}
}

/* roulang page: category3 */
:root{
  --primary:#7A5CFF;
  --primary-hover:#6A4AEE;
  --primary-press:#5B3CD9;
  --accent:#FF7A45;
  --support:#2BE3C0;
  --dark-0:#0D0B12;
  --dark-1:#16121F;
  --dark-2:#1F1A2B;
  --card-dark:#221C30;
  --paper:#F7F5F2;
  --paper-card:#FFFFFF;
  --line-light:#E8E3DC;
  --t-dark:#F5F3F8;
  --t-dark-2:#B9B2C7;
  --t-dark-3:#8B8398;
  --t-light:#1B1720;
  --t-light-2:#5C5568;
  --t-light-3:#8A8290;
  --ok:#35C88A;
  --warn:#FFB020;
  --err:#FF5A5A;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:10px;
  --r-tag:6px;
  --sh-card:0 6px 20px rgba(0,0,0,.28);
  --sh-card-hover:0 16px 40px rgba(0,0,0,.38);
  --sh-light:0 4px 16px rgba(27,23,32,.06);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;overflow-x:hidden;
  font-family:var(--font-cn);
  font-size:16px;line-height:1.9;letter-spacing:.015em;
  color:var(--t-light);background:var(--paper);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .28s var(--ease),border-color .28s var(--ease),background .28s var(--ease)}
button,input,select{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:.02em;font-weight:700}
p{margin:0 0 1.2em}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.wrap{max-width:1240px;margin:0 auto;padding:0 32px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(13,11,18,.72);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .28s var(--ease),border-color .28s var(--ease);
}
.site-header.is-solid{background:var(--dark-0);border-bottom-color:rgba(255,255,255,.08)}
.nav-wrap{max-width:1240px;margin:0 auto;padding:0 32px;height:72px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,#7A5CFF,#5B3CD9);
  display:grid;place-items:center;
}
.brand-mark svg{width:20px;height:20px}
.brand-text strong{display:block;font-size:15px;font-weight:700;color:var(--t-dark);line-height:1.25;letter-spacing:.02em}
.brand-text em{display:block;font-style:normal;font-size:11px;color:var(--t-dark-3);letter-spacing:.05em}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{position:relative;padding:9px 12px;font-size:14.5px;color:var(--t-dark-2)}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease);
}
.nav-link:hover{color:var(--t-dark)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--t-dark)}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search input{
  width:200px;height:40px;border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.05);
  color:var(--t-dark);font-size:13.5px;
  padding:0 16px 0 38px;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='15' height='15' viewBox='0 0 24 24' fill='none' stroke='%238B8398' stroke-width='2' stroke-linecap='round'><circle cx='11' cy='11' r='7'/><path d='m20 20-3.4-3.4'/></svg>");
  background-repeat:no-repeat;background-position:14px center;
  transition:border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.nav-search input::placeholder{color:var(--t-dark-3)}
.nav-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(122,92,255,.18)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);
  color:var(--t-dark);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  white-space:nowrap;transition:all .28s var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 22px rgba(122,92,255,.3)}
.btn-primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(122,92,255,.42)}
.btn-primary:active{background:var(--primary-press);transform:translateY(0)}
.btn-outline{border-color:rgba(255,255,255,.28);color:var(--t-dark);background:transparent}
.btn-outline:hover{border-color:var(--primary);background:rgba(122,92,255,.14);color:#fff;transform:translateY(-2px)}
.btn-ghost{border-color:rgba(122,92,255,.5);color:#D6CFF0;background:transparent}
.btn-ghost:hover{background:rgba(122,92,255,.14);border-color:var(--primary);color:#fff}
.btn-soft{border:1px solid rgba(122,92,255,.45);color:var(--primary);background:transparent}
.btn-soft:hover{background:rgba(122,92,255,.1);transform:translateY(-2px);color:var(--primary)}
.btn-pill{border-radius:999px;height:40px;padding:0 22px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.btn-block{width:100%}

/* ---------- 通用板块 ---------- */
.sec{padding:92px 0}
.sec-dark{background:var(--dark-0);color:var(--t-dark)}
.sec-dark-alt{background:var(--dark-1);color:var(--t-dark)}
.sec-paper{background:var(--paper)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-title{position:relative;font-size:30px;padding-left:16px}
.sec-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;background:var(--primary)}
.sec-dark .sec-title::before{background:var(--primary)}
.sec-sub{margin:10px 0 0;font-size:14.5px;color:var(--t-light-2)}
.sec-dark .sec-sub{color:var(--t-dark-2)}
.more-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14.5px;font-weight:600}
.more-link span{transition:transform .28s var(--ease)}
.more-link:hover span{transform:translateX(3px)}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:var(--t-dark);
  padding:76px 0 88px;
  background-color:var(--dark-0);
  background-image:
    linear-gradient(112deg,rgba(13,11,18,.95) 0%,rgba(13,11,18,.78) 42%,rgba(13,11,18,.46) 100%),
    radial-gradient(58% 62% at 20% 46%,rgba(13,11,18,.55),rgba(13,11,18,0) 72%),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:56px;align-items:center}
.crumb{display:flex;flex-wrap:wrap;gap:8px;list-style:none;font-size:13px;color:var(--t-dark-3);margin-bottom:20px}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:rgba(255,255,255,.24)}
.crumb a{color:var(--t-dark-3)}
.crumb a:hover{color:var(--t-dark)}
.crumb li[aria-current] {color:var(--t-dark-2)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-tag);
  font-size:12px;letter-spacing:.04em;border:1px solid rgba(255,255,255,.16);color:var(--t-dark-2);
}
.chip-hot{background:var(--accent);border-color:var(--accent);color:#fff}
.chip-cyan{border-color:rgba(43,227,192,.5);color:var(--support);background:rgba(43,227,192,.1)}
.hero h1{font-size:40px;max-width:820px;letter-spacing:.02em}
.hero-sub{margin:20px 0 32px;font-size:17px;line-height:1.8;color:var(--t-dark-2);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:40px;margin-top:44px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1)}
.metric-k{display:block;font-family:var(--font-num);font-size:22px;font-weight:700;color:#fff;letter-spacing:.02em}
.metric-v{display:block;font-size:13px;color:var(--t-dark-3);margin-top:2px}

/* 主推大卡 */
.spot-card{
  background:var(--card-dark);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.spot-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:rgba(122,92,255,.45)}
.spot-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--dark-2)}
.spot-media img{width:100%;height:100%;object-fit:cover;transition:transform .28s var(--ease)}
.spot-card:hover .spot-media img{transform:scale(1.06)}
.spot-badge{
  position:absolute;top:14px;left:14px;z-index:2;
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-tag);
  background:var(--accent);color:#fff;font-size:12px;font-weight:600;
}
.spot-body{padding:22px 24px 26px}
.spot-body h3{font-size:19px;color:#fff}
.spot-body p{margin:10px 0 0;font-size:14px;line-height:1.75;color:var(--t-dark-2)}
.spot-meta{display:flex;align-items:center;gap:14px;margin-top:18px;font-size:12.5px;color:var(--t-dark-3)}
.spot-meta b{font-family:var(--font-num);color:var(--support);font-weight:700}

/* ---------- 榜单 ---------- */
.rank-toolbar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:26px;
}
.pill-filter{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  font-size:13.5px;border:1px solid var(--line-light);background:#fff;color:var(--t-light-2);
  transition:all .28s var(--ease);
}
.pill-filter:hover{border-color:rgba(122,92,255,.45);color:var(--primary)}
.pill-filter.is-on{background:var(--primary);border-color:var(--primary);color:#fff}
.rank-list{list-style:none;border-top:1px solid var(--line-light)}
.rank-row{border-bottom:1px solid var(--line-light)}
.rank-row a{
  display:grid;grid-template-columns:66px minmax(0,1fr) auto 30px;gap:20px;align-items:center;
  padding:22px 18px;border-radius:12px;
  transition:transform .28s var(--ease),background .28s var(--ease),box-shadow .28s var(--ease);
}
.rank-row a:hover{background:#fff;transform:translateX(2px);box-shadow:var(--sh-light)}
.rank-num{font-family:var(--font-num);font-weight:700;font-size:24px;color:var(--accent);line-height:1;letter-spacing:.02em}
.rank-title{display:block;font-size:17px;font-weight:600;color:var(--t-light)}
.rank-desc{display:block;margin-top:6px;font-size:14px;line-height:1.7;color:var(--t-light-2)}
.rank-tags{display:flex;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-tag);
  font-size:12px;border:1px solid var(--line-light);background:#fff;color:var(--t-light-2);
}
.rank-arrow{font-size:18px;color:var(--t-light-3);transition:transform .28s var(--ease),color .28s var(--ease)}
.rank-row a:hover .rank-arrow{transform:translateX(3px);color:var(--primary)}
.rank-foot{display:flex;justify-content:center;margin-top:44px}

/* ---------- 分组索引 ---------- */
.index-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.index-card{
  background:var(--card-dark);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-card);
  padding:30px 28px 32px;box-shadow:var(--sh-card);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.index-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:rgba(122,92,255,.45)}
.index-card .idx-no{font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--accent);letter-spacing:.02em}
.index-card h3{margin-top:14px;font-size:19px;color:#fff}
.index-card p{margin:12px 0 0;font-size:14px;line-height:1.8;color:var(--t-dark-2)}
.index-card .idx-list{margin-top:18px;list-style:none;font-size:13.5px;color:var(--t-dark-3)}
.index-card .idx-list li{display:flex;gap:10px;padding:7px 0;border-top:1px solid rgba(255,255,255,.06)}
.index-card .idx-list li b{font-family:var(--font-num);color:var(--support);font-weight:700}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:280px minmax(0,1fr);gap:48px;align-items:start}
.faq-aside p{font-size:14.5px;color:var(--t-light-2);line-height:1.8}
.accordion-item{
  background:#fff;border:1px solid var(--line-light);border-radius:12px;
  margin-bottom:12px;overflow:hidden;
}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{
  width:100%;background:#fff;color:var(--t-light);font-size:16px;font-weight:600;
  padding:18px 22px;border:0;box-shadow:none;line-height:1.6;
}
.accordion-button:not(.collapsed){
  background:#fff;color:var(--primary);box-shadow:inset 3px 0 0 var(--primary);
}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-button:focus-visible{outline:2px solid var(--primary);outline-offset:-2px}
.accordion-button::after{
  flex:0 0 auto;width:auto;height:auto;margin-left:16px;background-image:none!important;
  content:"＋";font-size:18px;line-height:1;color:var(--primary);transform:none;
  transition:transform .28s var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.accordion-body{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--t-light-2);background:#fff}

/* ---------- CTA ---------- */
.cta{
  position:relative;color:var(--t-dark);padding:92px 0;
  background-color:var(--dark-0);
  background-image:
    linear-gradient(112deg,rgba(122,92,255,.82) 0%,rgba(31,26,43,.9) 48%,rgba(13,11,18,.95) 100%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.cta h2{font-size:30px;max-width:520px}
.cta-note{margin:16px 0 0;font-size:13.5px;color:var(--t-dark-2);max-width:520px}
.cta-form{display:flex;gap:12px}
.cta-form input{
  flex:1;min-width:0;height:48px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);
  color:#fff;padding:0 16px;
  transition:border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.cta-form input::placeholder{color:rgba(245,243,248,.55)}
.cta-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(122,92,255,.24)}
.form-hint{margin-top:12px;font-size:13px;color:var(--t-dark-3)}
.form-error{margin-top:8px;font-size:13px;color:var(--err);display:none}
.form-error.is-show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:#08060C;color:var(--t-dark-2);padding:66px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr}
.footer-col{padding:0 28px;border-right:1px solid rgba(255,255,255,.06)}
.footer-col:first-child{padding-left:0}
.footer-col:last-child{border-right:0;padding-right:0}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:15px;font-weight:700;letter-spacing:.02em}
.footer-brand .brand-mark{background:linear-gradient(135deg,#7A5CFF,#5B3CD9)}
.footer-desc{margin:16px 0 0;font-size:13.5px;line-height:1.85;color:var(--t-dark-3);max-width:280px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.06em}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-links a{color:var(--t-dark-2)}
.footer-links a:hover{color:var(--primary)}
.footer-note{font-size:13.5px;line-height:1.9;color:var(--t-dark-3);margin:0}
.footer-note strong{color:var(--t-dark-2);font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.06);
  font-size:13px;color:var(--t-dark-3);
}
.fb-links{display:flex;flex-wrap:wrap;gap:18px}
.fb-links a:hover{color:var(--primary)}

/* ---------- 抽屉导航 ---------- */
.offcanvas.dark-drawer{background:var(--dark-1);color:var(--t-dark);width:min(330px,88vw);border-right:1px solid rgba(255,255,255,.08)}
.dark-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.08);padding:20px 22px}
.dark-drawer .offcanvas-title{font-size:15px;font-weight:700;color:#fff}
.dark-drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.7}
.dark-drawer .offcanvas-body{padding:22px}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px}
.drawer-nav a{padding:12px 14px;border-radius:10px;font-size:15px;color:var(--t-dark-2)}
.drawer-nav a:hover{background:rgba(255,255,255,.05);color:#fff}
.drawer-nav a.active{background:rgba(122,92,255,.16);color:#fff}
.drawer-search{margin-bottom:18px}
.drawer-search input{
  width:100%;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.05);color:#fff;padding:0 14px;font-size:14px;
}
.drawer-search input::placeholder{color:var(--t-dark-3)}
.drawer-actions{display:flex;flex-direction:column;gap:12px}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hero h1{font-size:36px}
  .sec-title{font-size:27px}
  .rank-row a{grid-template-columns:58px minmax(0,1fr) auto 26px;gap:16px}
}
@media (max-width:991.98px){
  .wrap{padding:0 24px}
  .nav-wrap{padding:0 24px;gap:16px}
  .main-nav{display:none}
  .nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-ghost{display:none}
  .sec{padding:64px 0}
  .hero{padding:56px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:32px}
  .hero-sub{font-size:16px}
  .cta{padding:64px 0}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .index-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:36px}
  .footer-col{padding:0;border-right:0}
  .footer-col:nth-child(odd){padding-right:20px}
}
@media (max-width:767.98px){
  .wrap{padding:0 18px}
  .nav-wrap{padding:0 18px;height:66px}
  .brand-text em{display:none}
  .sec{padding:56px 0}
  .sec-title{font-size:24px}
  .hero{padding:48px 0 56px}
  .hero h1{font-size:28px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%;max-width:320px}
  .hero-metrics{gap:26px;margin-top:36px}
  .metric-k{font-size:19px}
  .rank-row a{grid-template-columns:44px minmax(0,1fr);grid-template-areas:"num body" ". tags";row-gap:12px;padding:20px 12px}
  .rank-num{grid-area:num;font-size:21px}
  .rank-body{grid-area:body}
  .rank-tags{grid-area:tags}
  .rank-arrow{display:none}
  .rank-title{font-size:16px}
  .rank-desc{font-size:13.5px}
  .index-grid{grid-template-columns:1fr}
  .cta h2{font-size:24px}
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;row-gap:32px}
  .footer-col:nth-child(odd){padding-right:0}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575.98px){
  .hero-tags .chip{font-size:11.5px}
  .hero h1{font-size:26px}
  .sec-title{padding-left:12px}
  .sec-title::before{width:3px}
}