/* roulang page: index */
:root{
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEBFF;
  --c-ink:#171533;
  --c-ink-2:#4A4766;
  --c-ink-3:#8B89A3;
  --c-primary:#3A2AB8;
  --c-primary-600:#2F2199;
  --c-accent:#12C6A0;
  --c-accent-ink:#0B2A22;
  --c-hot:#E14B21;
  --c-line:#E4E1EE;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,21,51,.05);
  --sh-2:0 8px 24px -8px rgba(23,21,51,.14);
  --sh-3:0 20px 44px -16px rgba(23,21,51,.24);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--c-bg);
  color:var(--c-ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.2px;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:16px;
  padding-right:16px;
}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(247,246,242,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease-out,border-color .25s ease-out,background .25s ease-out;
}
.site-header.scrolled{
  background:rgba(255,255,255,.86);
  box-shadow:var(--sh-2);
  border-bottom-color:var(--c-line);
}
.brandbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  height:56px;
}
@media (min-width:1024px){.brandbar{height:64px;}}
.logo{display:flex;align-items:center;gap:10px;min-width:0;}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary) 0%,#5B47E0 55%,var(--c-accent) 130%);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:15px;letter-spacing:0;
  box-shadow:var(--sh-1);
}
.logo-text{display:flex;flex-direction:column;min-width:0;}
.logo-main{font-size:16px;font-weight:800;letter-spacing:.4px;line-height:1.15;white-space:nowrap;}
.logo-sub{font-size:11px;color:var(--c-ink-3);letter-spacing:2px;line-height:1.2;}
.brand-actions{display:flex;align-items:center;gap:8px;}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-md);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-ink-2);border:1px solid var(--c-line);background:var(--c-surface);
  transition:all .2s ease-out;
}
.icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-mini{
  display:none;
  height:38px;padding:0 16px;border-radius:var(--r-md);
  background:var(--c-primary);color:#fff;font-weight:700;font-size:13.5px;
  align-items:center;gap:6px;
  transition:all .2s ease-out;
}
.btn-mini:hover{background:var(--c-primary-600);transform:translateY(-1px);box-shadow:var(--sh-2);}
@media (min-width:768px){.btn-mini{display:inline-flex;}}
.menu-btn{display:inline-flex;}
@media (min-width:1024px){.menu-btn{display:none;}}

.channelbar{
  display:none;
  border-top:1px solid var(--c-line);
}
@media (min-width:1024px){.channelbar{display:block;}}
.channelbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;height:44px;
}
.channel-nav{display:flex;align-items:center;gap:6px;}
.channel-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--c-ink-2);
  transition:all .2s ease-out;
}
.channel-link:hover{color:var(--c-primary);background:var(--c-surface-alt);}
.channel-link.active{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.hotbar{display:flex;align-items:center;gap:12px;font-size:13px;overflow:hidden;}
.hotbar .hot-label{color:var(--c-ink-3);white-space:nowrap;}
.hot-link{color:var(--c-hot);font-weight:600;white-space:nowrap;transition:color .2s ease-out;}
.hot-link:hover{color:var(--c-primary);}

/* 移动端 chips 频道 */
.chips-scroll{
  display:flex;gap:8px;overflow-x:auto;padding:8px 0 10px;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.chips-scroll::-webkit-scrollbar{display:none;}
@media (min-width:1024px){.chips-scroll{display:none;}}
.chip{
  flex:0 0 auto;
  display:inline-flex;align-items:center;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);
  font-size:13.5px;font-weight:600;color:var(--c-ink-2);
  transition:all .2s ease-out;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);}
.chip.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* 搜索抽屉 */
.search-drawer{
  max-height:0;overflow:hidden;background:var(--c-surface);
  border-bottom:1px solid transparent;
  transition:max-height .3s ease-out,border-color .3s ease-out;
}
.search-drawer.open{max-height:220px;border-bottom-color:var(--c-line);}
.search-drawer-inner{padding:16px 0 20px;}
.search-field{
  display:flex;align-items:center;gap:10px;
  height:46px;padding:0 14px;border-radius:var(--r-md);
  border:1px solid var(--c-line);background:#fff;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.search-field:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(58,42,184,.12);}
.search-field input{flex:1;border:0;outline:none;font-size:15px;color:var(--c-ink);background:transparent;}
.search-field input::placeholder{color:var(--c-ink-3);}
.search-tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.search-tags .tag-title{font-size:13px;font-weight:700;color:var(--c-ink-2);margin-right:4px;}

/* 移动端抽屉 */
.mobile-drawer{
  display:block;
  max-height:0;overflow:hidden;
  background:var(--c-surface);
  border-bottom:1px solid transparent;
  transition:max-height .3s ease-out,border-color .3s ease-out;
}
.mobile-drawer.open{max-height:420px;border-bottom-color:var(--c-line);}
.mobile-drawer ul{padding:10px 0 18px;}
.mobile-drawer li a{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 4px;font-size:15px;font-weight:600;color:var(--c-ink-2);
  border-bottom:1px dashed var(--c-line);
  transition:color .2s ease-out;
}
.mobile-drawer li a:hover{color:var(--c-primary);}
.mobile-drawer li a.active{color:var(--c-primary);}
@media (min-width:1024px){.mobile-drawer{display:none;}}

/* ============ 通用按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:700;letter-spacing:.2px;
  border:1px solid transparent;white-space:nowrap;
  transition:all .22s ease-out;
}
@media (min-width:1024px){.btn{height:48px;}}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-600);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18);}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-surface-alt);transform:translateY(-1px);}
.btn-accent{background:var(--c-accent);color:var(--c-accent-ink);}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-light{background:#fff;color:var(--c-ink);}
.btn-light:hover{background:var(--c-surface-alt);color:var(--c-primary);transform:translateY(-1px);}
.btn-outline-light{background:transparent;border-color:rgba(247,246,242,.45);color:#F7F6F2;}
.btn-outline-light:hover{border-color:#F7F6F2;background:rgba(247,246,242,.12);transform:translateY(-1px);}
.btn-block{width:100%;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary);font-weight:700;font-size:14px;
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
  transition:color .2s ease-out;
}
.text-link:hover{color:var(--c-primary-600);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:5px;
  height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;line-height:1;white-space:nowrap;
}
.badge-cat{background:var(--c-surface-alt);color:var(--c-primary);}
.badge-hot{background:var(--c-hot);color:#fff;}
.badge-state{background:#E4FBF4;color:var(--c-accent-ink);}
.badge-state::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.status-dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block;}

/* ============ 板块 ============ */
main{display:block;}
.section{padding-top:48px;padding-bottom:48px;}
@media (min-width:1024px){.section{padding-top:80px;padding-bottom:80px;}}
.section-alt{background:var(--c-surface-alt);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  margin-bottom:24px;flex-wrap:wrap;
}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;}
.section-head .sec-desc{margin-top:8px;font-size:14.5px;color:var(--c-ink-2);max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--c-primary);letter-spacing:1px;
  margin-bottom:10px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--c-hot);border-radius:2px;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding-top:36px;padding-bottom:44px;
  overflow:hidden;
}
@media (min-width:1024px){.hero{padding-top:56px;padding-bottom:72px;}}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(58,42,184,.16) 1px,transparent 1px);
  background-size:20px 20px;
  opacity:.06;pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;grid-template-columns:1fr;gap:32px;align-items:center;
}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:48px;}}
.hero h1{
  font-size:clamp(30px,4.4vw,46px);
  font-weight:800;line-height:1.18;letter-spacing:.2px;
}
.hero h1 .hl{
  background:linear-gradient(transparent 62%,rgba(18,198,160,.42) 62%);
  padding:0 2px;
}
.hero-sub{
  margin-top:18px;font-size:16.5px;color:var(--c-ink-2);max-width:560px;line-height:1.7;
}
.hero-cta{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;}
.hero-metrics{
  margin-top:30px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
  max-width:520px;
}
.metric{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:12px 14px;box-shadow:var(--sh-1);
}
.metric .m-num{font-size:16px;font-weight:800;color:var(--c-primary);line-height:1.3;}
.metric .m-label{font-size:12.5px;color:var(--c-ink-3);margin-top:2px;}
.hero-visual{position:relative;}
.hero-frame{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--sh-3);border:1px solid var(--c-line);background:var(--c-surface-alt);
  aspect-ratio:16/10;
}
.hero-frame img{width:100%;height:100%;object-fit:cover;}
.hero-corner{
  position:absolute;top:14px;right:14px;z-index:2;
  background:var(--c-hot);color:#fff;font-size:12px;font-weight:700;
  padding:6px 12px;border-radius:var(--r-pill);box-shadow:var(--sh-2);
}
.hero-float{
  position:absolute;left:-8px;bottom:-18px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:14px 16px;box-shadow:var(--sh-2);max-width:250px;
  display:flex;align-items:center;gap:12px;
}
@media (max-width:640px){.hero-float{left:8px;bottom:-14px;max-width:220px;padding:10px 12px;}}
.hero-float .hf-icon{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--c-surface-alt);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:16px;
}
.hero-float .hf-title{font-size:13.5px;font-weight:700;}
.hero-float .hf-desc{font-size:12px;color:var(--c-ink-3);line-height:1.5;}

/* ============ 卡片网格 ============ */
.grid-cards{
  display:grid;grid-template-columns:1fr;gap:20px;
}
@media (min-width:640px){.grid-cards{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.grid-cards{grid-template-columns:repeat(4,1fr);}}
.card{
  display:flex;flex-direction:column;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6D1EC;}
.card-thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--c-surface-alt);}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.card:hover .card-thumb img{transform:scale(1.04);}
.card-thumb .thumb-badge{position:absolute;top:10px;left:10px;}
.card-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1;}
.card-body h3{font-size:17px;font-weight:700;line-height:1.45;transition:color .2s ease-out;}
.card:hover .card-body h3{color:var(--c-primary);}
.card-sum{font-size:14px;color:var(--c-ink-2);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{
  margin-top:auto;padding-top:10px;border-top:1px dashed var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.card-foot .cf-note{font-size:12.5px;color:var(--c-ink-3);}
.card-foot .cf-btn{
  font-size:13px;font-weight:700;color:var(--c-primary);
  display:inline-flex;align-items:center;gap:5px;
  transition:gap .2s ease-out;
}
.card:hover .card-foot .cf-btn{gap:9px;}

/* ============ 评价轮播 ============ */
.review-wrap{position:relative;}
.review-track{
  display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 2px 18px;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none;}
.review-card{
  flex:0 0 88%;
  scroll-snap-align:start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;gap:14px;
}
@media (min-width:640px){.review-card{flex:0 0 360px;}}
.review-top{display:flex;align-items:center;gap:12px;}
.avatar{
  width:42px;height:42px;flex:0 0 42px;border-radius:50%;
  background:var(--c-surface-alt);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
}
.review-name{font-size:14.5px;font-weight:700;}
.review-time{font-size:12.5px;color:var(--c-ink-3);}
.stars{color:var(--c-accent);font-size:13px;letter-spacing:2px;}
.review-text{font-size:14.5px;color:var(--c-ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;min-height:76px;}
.carousel-nav{display:flex;align-items:center;gap:12px;}
.carousel-btn{
  width:40px;height:40px;border-radius:50%;
  background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);transition:all .2s ease-out;
}
.carousel-btn:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-2);}
.dot-row{display:flex;gap:6px;align-items:center;}
.dot{width:8px;height:8px;border-radius:50%;background:#CFCBE4;transition:all .2s ease-out;}
.dot.active{width:22px;border-radius:var(--r-pill);background:var(--c-primary);}

/* ============ 保障条 ============ */
.guard-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:16px;
}
@media (min-width:1024px){.guard-grid{grid-template-columns:repeat(4,1fr);gap:20px;}}
.guard-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:20px 18px;box-shadow:var(--sh-1);transition:all .22s ease-out;
}
.guard-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.guard-icon{
  width:44px;height:44px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-surface-alt);color:var(--c-primary);font-size:18px;margin-bottom:14px;
}
.guard-item h3{font-size:16px;margin-bottom:6px;}
.guard-item p{font-size:13.5px;color:var(--c-ink-2);line-height:1.7;}

/* ============ 最新信息 ============ */
.news-layout{display:grid;grid-template-columns:1fr;gap:28px;}
@media (min-width:1024px){.news-layout{grid-template-columns:1fr 340px;gap:32px;align-items:start;}}
.filter-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;}
.post-list{display:flex;flex-direction:column;gap:16px;}
.post-item{
  display:grid;grid-template-columns:1fr;gap:14px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:14px;box-shadow:var(--sh-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
@media (min-width:640px){.post-item{grid-template-columns:190px 1fr;align-items:stretch;}}
.post-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D6D1EC;}
.post-thumb{
  aspect-ratio:4/3;border-radius:var(--r-md);overflow:hidden;background:var(--c-surface-alt);
}
.post-thumb img{width:100%;height:100%;object-fit:cover;}
.post-body{display:flex;flex-direction:column;gap:8px;min-width:0;}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--c-ink-3);}
.post-title{font-size:17px;font-weight:700;line-height:1.45;transition:color .2s ease-out;}
.post-item:hover .post-title{color:var(--c-primary);}
.post-sum{
  font-size:14px;color:var(--c-ink-2);line-height:1.65;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-more{margin-top:auto;font-size:13px;font-weight:700;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;}
.empty-state{
  background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-lg);
  padding:40px 20px;text-align:center;
}
.empty-state .es-icon{
  width:56px;height:56px;border-radius:50%;margin:0 auto 14px;
  background:var(--c-surface-alt);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:22px;
}
.empty-state p{font-size:14.5px;color:var(--c-ink-2);margin-bottom:16px;}

.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:18px;box-shadow:var(--sh-1);margin-bottom:20px;
}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--c-primary);}
.rank-list{display:flex;flex-direction:column;gap:2px;}
.rank-item{
  display:flex;align-items:flex-start;gap:10px;padding:10px 6px;border-radius:var(--r-sm);
  font-size:14px;color:var(--c-ink-2);line-height:1.6;transition:all .2s ease-out;
}
.rank-item:hover{background:var(--c-surface-alt);color:var(--c-primary);}
.rank-num{
  flex:0 0 20px;height:20px;border-radius:6px;margin-top:2px;
  background:var(--c-surface-alt);color:var(--c-primary);
  font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.rank-item:nth-child(1) .rank-num,.rank-item:nth-child(2) .rank-num,.rank-item:nth-child(3) .rank-num{
  background:var(--c-hot);color:#fff;
}
.cat-links{display:flex;flex-direction:column;gap:8px;}
.cat-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 14px;border-radius:var(--r-md);border:1px solid var(--c-line);
  font-size:14px;font-weight:600;color:var(--c-ink-2);transition:all .2s ease-out;
}
.cat-link:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-surface-alt);transform:translateX(3px);}

/* ============ CTA 大条 ============ */
.cta-band{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  background:var(--c-ink);color:#F7F6F2;
  padding:36px 26px;
}
@media (min-width:1024px){.cta-band{padding:56px 48px;}}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.28;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(23,21,51,.94) 0%,rgba(23,21,51,.72) 60%,rgba(23,21,51,.55) 100%);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-direction:column;gap:24px;}
@media (min-width:1024px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:40px;}}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);color:#fff;line-height:1.3;}
.cta-inner p{margin-top:12px;font-size:15px;color:rgba(247,246,242,.78);max-width:560px;line-height:1.7;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);transition:all .2s ease-out;overflow:hidden;
}
.faq-item[open]{background:var(--c-surface-alt);border-color:#D6D1EC;}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16px;font-weight:700;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-icon{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--c-line);background:#fff;color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:13px;
  transition:transform .2s ease-out,background .2s ease-out;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.faq-answer{padding:0 20px 20px;font-size:14.5px;color:var(--c-ink-2);line-height:1.8;}

/* ============ 订阅表单 ============ */
.subscribe{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-xl);
  padding:24px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:1fr;gap:20px;
}
@media (min-width:1024px){.subscribe{grid-template-columns:1fr 1fr;align-items:center;padding:32px;}}
.subscribe h2{font-size:clamp(20px,2.2vw,26px);}
.subscribe p{margin-top:10px;font-size:14.5px;color:var(--c-ink-2);line-height:1.7;}
.form-row{display:flex;flex-direction:column;gap:10px;}
@media (min-width:640px){.form-row{flex-direction:row;}}
.form-row input{
  flex:1;height:46px;padding:0 14px;border-radius:var(--r-md);
  border:1px solid var(--c-line);background:#fff;font-size:15px;color:var(--c-ink);
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.form-row input::placeholder{color:var(--c-ink-3);}
.form-row input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(58,42,184,.12);}
.form-hint{font-size:12.5px;color:var(--c-ink-3);margin-top:10px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:#F7F6F2;margin-top:48px;padding-top:52px;}
@media (min-width:1024px){.site-footer{margin-top:80px;padding-top:72px;}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand .logo-main{color:#fff;}
.footer-brand .logo-sub{color:rgba(247,246,242,.5);}
.footer-desc{margin-top:16px;font-size:13.5px;color:rgba(247,246,242,.68);line-height:1.8;max-width:320px;}
.footer-col h3{font-size:14.5px;color:#fff;margin-bottom:16px;letter-spacing:.4px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:13.5px;color:rgba(247,246,242,.68);transition:color .2s ease-out;}
.footer-col a:hover{color:var(--c-accent);}
.footer-bottom{
  margin-top:40px;border-top:1px solid rgba(247,246,242,.14);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:12.5px;color:rgba(247,246,242,.55);
}
.footer-bottom .fb-links{display:flex;gap:16px;flex-wrap:wrap;}
.footer-bottom a:hover{color:var(--c-accent);}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:18px;bottom:22px;z-index:60;
  height:44px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;font-size:13.5px;font-weight:700;
  display:inline-flex;align-items:center;gap:8px;
  box-shadow:var(--sh-3);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .25s ease-out;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-primary-600);transform:translateY(-2px);}

@media (max-width:520px){
  .hero-metrics{grid-template-columns:1fr 1fr;}
  .hero-metrics .metric:last-child{grid-column:span 2;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEBFF;
  --c-ink:#171533;
  --c-ink-2:#4A4766;
  --c-ink-3:#8B89A3;
  --c-primary:#3A2AB8;
  --c-primary-600:#2F2199;
  --c-accent:#12C6A0;
  --c-accent-ink:#0B2A22;
  --c-hot:#E14B21;
  --c-line:#E4E1EE;
  --r-8:8px; --r-12:12px; --r-16:16px; --r-20:20px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,21,51,.05);
  --sh-2:0 8px 24px -8px rgba(23,21,51,.14);
  --sh-3:0 20px 44px -16px rgba(23,21,51,.24);
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
input,button,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:16px;padding-right:16px;}
@media(min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media(min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,246,242,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s ease-out,border-color .22s ease-out,background .22s ease-out;
}
.site-header.is-stuck{
  background:rgba(255,255,255,.88);
  border-bottom-color:var(--c-line);
  box-shadow:var(--sh-2);
}
.brand-row{display:flex;align-items:center;gap:14px;height:56px;}
@media(min-width:1024px){.brand-row{height:64px;}}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--c-primary),#6A4BE8);
  color:#fff;font-weight:800;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.logo-text{display:flex;flex-direction:column;line-height:1.12;}
.logo-main{font-size:16.5px;font-weight:800;letter-spacing:.3px;color:var(--c-ink);}
.logo-sub{font-size:11.5px;font-weight:600;color:var(--c-ink-3);letter-spacing:.6px;}
.brand-tools{margin-left:auto;display:flex;align-items:center;gap:8px;}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-12);
  border:1px solid var(--c-line);background:var(--c-surface);
  display:flex;align-items:center;justify-content:center;
  color:var(--c-ink-2);cursor:pointer;
  transition:border-color .2s ease-out,color .2s ease-out,background .2s ease-out,transform .2s ease-out;
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-surface-alt);}
.hot-entry{
  display:none;align-items:center;gap:6px;height:38px;padding:0 14px;
  border-radius:var(--r-pill);border:1px solid var(--c-line);background:var(--c-surface);
  font-size:13.5px;font-weight:600;color:var(--c-ink-2);cursor:pointer;
  transition:border-color .2s ease-out,color .2s ease-out,background .2s ease-out;
}
.hot-entry:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-surface-alt);}
@media(min-width:900px){.hot-entry{display:flex;}}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border-radius:var(--r-12);font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background .22s ease-out,color .22s ease-out,border-color .22s ease-out,transform .22s ease-out,box-shadow .22s ease-out;
}
.btn-primary{background:var(--c-primary);color:#fff;height:44px;padding:0 22px;font-size:15px;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-600);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:var(--r-12);}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink);height:44px;padding:0 22px;font-size:15px;}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-surface-alt);}
.btn-accent{background:var(--c-accent);color:var(--c-accent-ink);height:44px;padding:0 22px;font-size:15px;}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-block{width:100%;}
.hamburger{display:flex;}
@media(min-width:900px){.hamburger{display:none;}}

.channel-row{border-top:1px solid var(--c-line);background:rgba(255,255,255,.55);}
.channel-inner{display:flex;align-items:center;gap:10px;height:auto;min-height:44px;padding:6px 0;overflow:hidden;}
.channel-nav{
  display:flex;align-items:center;gap:6px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  flex:1 1 auto;min-width:0;
}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-link{
  flex:0 0 auto;white-space:nowrap;
  padding:7px 14px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--c-ink-2);
  border:1px solid transparent;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.channel-link:hover{color:var(--c-primary);background:var(--c-surface-alt);}
.channel-link.active{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.hot-scroll{display:none;align-items:center;gap:14px;flex:0 0 auto;padding-left:10px;border-left:1px solid var(--c-line);}
@media(min-width:1024px){.hot-scroll{display:flex;}}
.hot-scroll .hot-label{font-size:12.5px;font-weight:700;color:var(--c-ink-3);}
.hot-scroll a{font-size:13px;font-weight:600;color:var(--c-hot);transition:color .2s ease-out;}
.hot-scroll a:hover{color:var(--c-primary);}
.mobile-drawer{
  display:none;border-top:1px solid var(--c-line);
  background:var(--c-surface);padding:14px 0 18px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:block;padding:11px 4px;font-size:15px;font-weight:600;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.mobile-drawer a:last-of-type{border-bottom:none;}

/* ============ breadcrumb ============ */
.crumb-bar{padding:16px 0 0;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);flex-wrap:wrap;}
.crumb a{color:var(--c-ink-3);transition:color .2s ease-out;}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:#C9C6D8;}
.crumb .current{color:var(--c-ink);font-weight:600;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ article head ============ */
.article-head{padding:20px 0 0;}
.article-title{
  font-size:clamp(24px,3.2vw,36px);font-weight:800;line-height:1.24;letter-spacing:.2px;
  max-width:22ch;
}
@media(max-width:640px){.article-title{max-width:none;}}
.article-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-top:16px;font-size:13px;color:var(--c-ink-3);
}
.badge{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 11px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;line-height:1.4;
}
.badge-cat{background:var(--c-surface-alt);color:var(--c-primary);}
.badge-hot{background:var(--c-hot);color:#fff;font-size:12px;}
.badge-state{background:#E4F8F2;color:var(--c-accent-ink);}
.dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:inline-block;}
.share-group{margin-left:auto;display:flex;align-items:center;gap:8px;}
.share-btn{
  width:34px;height:34px;border-radius:var(--r-8);border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-ink-2);cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
  transition:border-color .2s ease-out,color .2s ease-out,background .2s ease-out;
}
.share-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-surface-alt);}
.head-divider{height:1px;background:var(--c-line);margin:22px 0 0;}

/* ============ article body ============ */
.layout-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:28px 0 0;}
@media(min-width:1024px){.layout-grid{grid-template-columns:minmax(0,1fr) 320px;gap:44px;padding-top:34px;}}
.article-main{min-width:0;}
.hero-figure{margin:0 0 26px;border-radius:var(--r-16);overflow:hidden;border:1px solid var(--c-line);background:var(--c-surface);}
.hero-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.article-body{font-size:16px;line-height:1.85;color:var(--c-ink);max-width:760px;}
.article-body p{margin:0 0 1.15em;}
.article-body h2{
  font-size:clamp(20px,2.3vw,25px);font-weight:700;line-height:1.35;
  margin:2.2em 0 .7em;padding-left:14px;border-left:4px solid var(--c-primary);
  scroll-margin-top:110px;
}
.article-body h3{font-size:18px;font-weight:700;line-height:1.45;margin:1.8em 0 .6em;scroll-margin-top:110px;}
.article-body h4{font-size:16.5px;font-weight:700;margin:1.5em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:1.35em;}
.article-body ul li{list-style:disc;margin-bottom:.5em;}
.article-body ol li{list-style:decimal;margin-bottom:.5em;}
.article-body blockquote{
  margin:1.4em 0;padding:16px 20px;background:var(--c-surface-alt);
  border-left:4px solid var(--c-accent);border-radius:0 var(--r-12) var(--r-12) 0;
  color:var(--c-ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-12);margin:1.4em auto;box-shadow:var(--sh-1);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:8px;}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px;}
.article-body a:hover{color:var(--c-primary-600);}
.article-body strong{font-weight:700;}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:14.5px;}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 12px;text-align:left;}
.article-body th{background:var(--c-surface-alt);font-weight:700;}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:2em 0;}
.empty-box{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-16);
  padding:44px 24px;text-align:center;box-shadow:var(--sh-1);
}
.empty-box h2{font-size:19px;font-weight:700;margin-bottom:10px;}
.empty-box p{color:var(--c-ink-2);font-size:14.5px;margin-bottom:18px;}
.backline{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  margin-top:30px;padding-top:20px;border-top:1px solid var(--c-line);
}
.text-link{color:var(--c-primary);font-weight:700;font-size:14.5px;text-decoration:underline;text-underline-offset:4px;}
.text-link:hover{color:var(--c-primary-600);}

/* ============ sidebar ============ */
.sidebar{display:flex;flex-direction:column;gap:20px;min-width:0;}
@media(min-width:1024px){
  .sidebar{position:sticky;top:118px;align-self:start;}
}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-16);
  padding:18px;box-shadow:var(--sh-1);
}
.side-card h2{font-size:15px;font-weight:700;margin-bottom:12px;letter-spacing:.2px;}
.side-card h2 span{color:var(--c-primary);}
.toc-list li{margin-bottom:8px;}
.toc-list a{
  display:flex;gap:8px;font-size:14px;color:var(--c-ink-2);
  padding:6px 8px;border-radius:var(--r-8);
  transition:background .2s ease-out,color .2s ease-out;
}
.toc-list a:hover{background:var(--c-surface-alt);color:var(--c-primary);}
.toc-list .idx{color:var(--c-ink-3);font-size:12.5px;font-weight:700;min-width:16px;}
.rank-list li{display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed var(--c-line);}
.rank-list li:last-child{border-bottom:none;padding-bottom:0;}
.rank-num{
  flex:0 0 auto;width:20px;height:20px;border-radius:6px;
  background:var(--c-surface-alt);color:var(--c-primary);
  font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-top:3px;
}
.rank-list a{font-size:14px;color:var(--c-ink-2);line-height:1.6;transition:color .2s ease-out;}
.rank-list a:hover{color:var(--c-primary);}
.chip-wrap{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;align-items:center;padding:6px 13px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);
  font-size:13px;font-weight:600;color:var(--c-ink-2);
  transition:border-color .2s ease-out,color .2s ease-out,background .2s ease-out;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-surface-alt);}
.chip.on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.tip-note{font-size:13.5px;color:var(--c-ink-2);line-height:1.75;}
.tip-note strong{color:var(--c-ink);}

/* ============ related ============ */
.section{padding:56px 0 0;}
@media(min-width:1024px){.section{padding:80px 0 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(21px,2.4vw,28px);font-weight:700;line-height:1.3;}
.section-head .sub{font-size:14px;color:var(--c-ink-2);margin-top:6px;}
.card-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.card-grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr));}}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-16);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:box-shadow .24s ease-out,transform .24s ease-out,border-color .24s ease-out;
}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-color:#D8D3EC;}
.card:hover .card-title{color:var(--c-primary);}
.card-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:linear-gradient(135deg,#EFEBFF,#DCD5FF);}
.card-media img{width:100%;height:100%;object-fit:cover;}
.card-media .badge{position:absolute;left:12px;top:12px;}
.card-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:9px;flex:1;}
.card-title{font-size:17px;font-weight:700;line-height:1.45;transition:color .2s ease-out;}
.card-desc{font-size:14px;line-height:1.65;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--c-ink-3);}
.mini-btn{
  display:inline-flex;align-items:center;height:32px;padding:0 13px;border-radius:var(--r-8);
  background:var(--c-surface-alt);color:var(--c-primary);font-size:13px;font-weight:700;
  transition:background .2s ease-out,color .2s ease-out;
}
.card:hover .mini-btn{background:var(--c-primary);color:#fff;}

/* ============ faq ============ */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:14px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-12);
  padding:16px 18px;box-shadow:var(--sh-1);transition:background .22s ease-out,border-color .22s ease-out;
}
.faq-item[open]{background:var(--c-surface-alt);border-color:#D8D3EC;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:700;line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-ico{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-primary);font-size:16px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  transition:transform .2s ease-out,background .2s ease-out,color .2s ease-out;
}
.faq-item[open] .faq-ico{transform:rotate(45deg);background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.faq-body{padding-top:12px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}

/* ============ cta ============ */
.cta-band{
  background:#171533;color:#F7F6F2;border-radius:var(--r-20);
  position:relative;overflow:hidden;padding:36px 24px;
}
@media(min-width:1024px){.cta-band{padding:52px 48px;}}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.28;mix-blend-mode:luminosity;
}
.cta-inner{position:relative;z-index:1;display:flex;flex-direction:column;gap:22px;}
@media(min-width:1024px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;}}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.32;max-width:22ch;}
.cta-inner p{margin-top:12px;font-size:14.5px;line-height:1.75;color:rgba(247,246,242,.72);max-width:56ch;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .btn-ghost{border-color:rgba(247,246,242,.35);color:#F7F6F2;}
.cta-band .btn-ghost:hover{background:rgba(247,246,242,.12);border-color:#F7F6F2;color:#fff;}

/* ============ footer ============ */
.site-footer{margin-top:72px;background:#171533;color:#F7F6F2;padding:52px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:30px;}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}}
.footer-brand .logo-mark{background:linear-gradient(135deg,#6A4BE8,var(--c-accent));}
.footer-brand .logo-main{color:#F7F6F2;}
.footer-brand .logo-sub{color:rgba(247,246,242,.6);}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(247,246,242,.7);max-width:38ch;}
.footer-col h3{font-size:14px;font-weight:700;letter-spacing:.4px;margin-bottom:14px;color:#F7F6F2;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:13.5px;color:rgba(247,246,242,.7);transition:color .2s ease-out;}
.footer-col a:hover{color:var(--c-accent);}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(247,246,242,.14);
  display:flex;flex-direction:column;gap:12px;font-size:13px;color:rgba(247,246,242,.6);
}
@media(min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}}
.fb-links{display:flex;flex-wrap:wrap;gap:14px;}
.fb-links a{color:rgba(247,246,242,.6);transition:color .2s ease-out;}
.fb-links a:hover{color:var(--c-accent);}

/* ============ back to top ============ */
.to-top{
  position:fixed;right:18px;bottom:18px;z-index:60;
  height:42px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);color:var(--c-ink);
  font-size:13.5px;font-weight:700;box-shadow:var(--sh-2);
  display:flex;align-items:center;gap:6px;cursor:pointer;
  opacity:0;pointer-events:none;transition:opacity .24s ease-out,transform .24s ease-out;
}
.to-top.show{opacity:1;pointer-events:auto;}
.to-top:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-2px);}

/* roulang page: category1 */
:root{
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEBFF;
  --c-ink:#171533;
  --c-ink-2:#4A4766;
  --c-ink-3:#8B89A3;
  --c-primary:#3A2AB8;
  --c-primary-600:#2F2199;
  --c-accent:#12C6A0;
  --c-hot:#E14B21;
  --c-line:#E4E1EE;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,21,51,.05);
  --sh-2:0 8px 24px -8px rgba(23,21,51,.14);
  --sh-3:0 20px 44px -16px rgba(23,21,51,.24);
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:15.5px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}

.container{max-width:1240px;margin:0 auto;padding:0 16px;width:100%;}
@media(min-width:640px){.container{padding:0 24px;}}
@media(min-width:1024px){.container{padding:0 32px;}}

/* ---------- HEADER ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,246,242,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s ease-out,border-color .22s ease-out,background .22s ease-out;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.86);
  border-bottom-color:var(--c-line);
  box-shadow:var(--sh-2);
}
.brand-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;height:56px;
}
@media(min-width:768px){.brand-inner{height:64px;}}
.logo{display:flex;align-items:center;gap:10px;min-width:0;}
.logo-mark{
  width:34px;height:34px;flex:none;border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary),#6B4CE6);
  color:#fff;font-weight:800;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;min-width:0;}
.logo-main{font-weight:800;font-size:16.5px;letter-spacing:.3px;white-space:nowrap;}
.logo-sub{font-size:11.5px;color:var(--c-ink-3);letter-spacing:1.6px;white-space:nowrap;}
.brand-tools{display:flex;align-items:center;gap:8px;}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-md);
  display:flex;align-items:center;justify-content:center;
  color:var(--c-ink-2);border:1px solid transparent;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.icon-btn:hover{background:var(--c-surface-alt);color:var(--c-primary);}
.hot-link{
  display:none;font-size:12.5px;font-weight:700;color:var(--c-hot);
  padding:7px 12px;border-radius:var(--r-pill);background:#FDEDE7;
  transition:background .2s ease-out,color .2s ease-out;
}
.hot-link:hover{background:var(--c-primary);color:#fff;}
@media(min-width:1024px){.hot-link{display:inline-flex;}}
.burger{display:flex;}
@media(min-width:1024px){.burger{display:none;}}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-md);
  font-weight:700;font-size:15px;letter-spacing:.2px;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
  white-space:nowrap;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-600);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18);}
.btn-ghost{background:transparent;color:var(--c-ink);border:1px solid var(--c-line);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-surface-alt);}
.btn-accent{background:var(--c-accent);color:#0B2A22;}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed;transform:none;}

.channel-bar{border-top:1px solid var(--c-line);}
.channel-inner{
  display:flex;align-items:center;gap:14px;
  height:44px;overflow:hidden;
}
.channel-nav{
  display:flex;align-items:center;gap:4px;
  overflow-x:auto;scrollbar-width:none;flex:1 1 auto;min-width:0;
}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-link{
  flex:none;font-size:14px;font-weight:600;color:var(--c-ink-2);
  padding:7px 14px;border-radius:var(--r-pill);
  transition:background .2s ease-out,color .2s ease-out;
}
.channel-link:hover{background:var(--c-surface-alt);color:var(--c-primary);}
.channel-link.active{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.hot-scroll{
  display:none;align-items:center;gap:12px;font-size:12.5px;color:var(--c-hot);
  font-weight:600;white-space:nowrap;flex:none;
}
.hot-scroll a{color:var(--c-hot);transition:color .2s ease-out;}
.hot-scroll a:hover{color:var(--c-primary);}
@media(min-width:1024px){.hot-scroll{display:flex;}}

.mobile-drawer{
  display:none;border-top:1px solid var(--c-line);
  background:#fff;padding:12px 0 18px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer .m-link{
  display:block;padding:11px 12px;border-radius:var(--r-md);
  font-weight:600;color:var(--c-ink-2);
}
.mobile-drawer .m-link.active{background:var(--c-surface-alt);color:var(--c-primary);}
.mobile-drawer .m-link:hover{background:var(--c-surface-alt);color:var(--c-primary);}

.search-drawer{
  display:none;background:#fff;border-top:1px solid var(--c-line);
  padding:14px 0 18px;box-shadow:var(--sh-2);
}
.search-drawer.open{display:block;}
.search-form{display:flex;gap:10px;flex-wrap:wrap;}
.search-form input{
  flex:1 1 240px;height:46px;border-radius:var(--r-md);
  border:1px solid var(--c-line);padding:0 16px;font-size:15px;
  background:var(--c-bg);color:var(--c-ink);
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.search-form input::placeholder{color:var(--c-ink-3);}
.search-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(58,42,184,.12);}
.hot-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.hot-chip{
  font-size:12.5px;font-weight:600;color:var(--c-ink-2);
  border:1px solid var(--c-line);background:#fff;
  padding:6px 13px;border-radius:var(--r-pill);
  transition:border-color .2s ease-out,color .2s ease-out,background .2s ease-out;
}
.hot-chip:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-surface-alt);}

/* ---------- BREADCRUMB ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--c-ink-3);padding:18px 0 0;
}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:var(--c-line);}
.breadcrumb .current{color:var(--c-ink);font-weight:600;}

/* ---------- HERO ---------- */
.cat-hero{padding:18px 0 44px;}
.hero-panel{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh-1);
}
.hero-grid{
  display:grid;grid-template-columns:1fr;gap:0;
}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.15fr .85fr;}}
.hero-copy{padding:26px 22px 30px;}
@media(min-width:768px){.hero-copy{padding:38px 40px 42px;}}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;color:var(--c-primary);
  background:var(--c-surface-alt);padding:6px 14px;border-radius:var(--r-pill);
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);}
.cat-hero h1{
  font-size:clamp(28px,4.2vw,42px);line-height:1.2;font-weight:800;
  margin:16px 0 14px;letter-spacing:.2px;
}
.cat-hero h1 em{font-style:normal;color:var(--c-primary);}
.hero-lead{font-size:15.5px;color:var(--c-ink-2);max-width:640px;}
.hero-lead + .hero-lead{margin-top:10px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
  margin-top:26px;padding-top:22px;border-top:1px dashed var(--c-line);
}
.stat-num{font-size:20px;font-weight:800;color:var(--c-primary);letter-spacing:.3px;}
.stat-label{font-size:12.5px;color:var(--c-ink-3);margin-top:2px;}
.hero-visual{position:relative;min-height:240px;background:var(--c-surface-alt);}
.hero-visual img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;}
.hero-badge{
  position:absolute;top:16px;right:16px;
  background:var(--c-hot);color:#fff;font-size:12px;font-weight:700;
  padding:6px 12px;border-radius:var(--r-pill);box-shadow:var(--sh-2);
}
@media(max-width:1023px){
  .hero-visual img{aspect-ratio:16/9;}
}

/* ---------- FILTER CHIPS ---------- */
.filter-row{
  display:flex;flex-wrap:wrap;gap:10px;padding:22px 0 0;
}
.chip{
  font-size:13.5px;font-weight:600;color:var(--c-ink-2);
  background:#fff;border:1px solid var(--c-line);
  padding:8px 16px;border-radius:var(--r-pill);
  transition:border-color .2s ease-out,color .2s ease-out,background .2s ease-out,box-shadow .2s ease-out;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);}
.chip.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:var(--sh-2);}

/* ---------- SECTIONS ---------- */
.section{padding:44px 0;}
@media(min-width:768px){.section{padding:64px 0;}}
.section-alt{background:var(--c-surface-alt);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:18px;flex-wrap:wrap;margin-bottom:26px;
}
.section-head h2{font-size:clamp(21px,2.5vw,28px);line-height:1.3;}
.section-head .sub{font-size:14px;color:var(--c-ink-2);margin-top:8px;max-width:720px;}
.text-link{
  color:var(--c-primary);font-weight:700;font-size:14px;
  text-decoration:underline;text-underline-offset:4px;
  transition:color .2s ease-out;
}
.text-link:hover{color:var(--c-primary-600);}

/* ---------- STEPS ---------- */
.steps{
  display:grid;grid-template-columns:1fr;gap:16px;
}
@media(min-width:640px){.steps{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);}}
.step-card{
  position:relative;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:22px 20px;box-shadow:var(--sh-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6D0F5;}
.step-num{
  width:36px;height:36px;border-radius:12px;background:var(--c-surface-alt);
  color:var(--c-primary);font-weight:800;font-size:16px;
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.step-card h3{font-size:17px;line-height:1.45;margin-bottom:8px;}
.step-card p{font-size:14px;color:var(--c-ink-2);line-height:1.7;}
.step-meta{
  margin-top:14px;font-size:12.5px;color:var(--c-ink-3);
  display:inline-flex;align-items:center;gap:6px;
}
.step-meta .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);}

/* ---------- TILE GRID ---------- */
.tile-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:640px){.tile-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.tile-grid{grid-template-columns:repeat(3,1fr);}}
.tile{
  display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.tile:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.tile-media{position:relative;background:linear-gradient(135deg,#EFEBFF,#DCD5FF);}
.tile-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.tile-badge{
  position:absolute;top:12px;left:12px;
  background:rgba(255,255,255,.94);color:var(--c-primary);
  font-size:12px;font-weight:700;padding:5px 11px;border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
}
.tile-body{padding:18px;display:flex;flex-direction:column;flex:1;}
.tile-body h3{font-size:17px;line-height:1.45;margin-bottom:8px;}
.tile:hover .tile-body h3{color:var(--c-primary);}
.tile-body p{font-size:14px;color:var(--c-ink-2);line-height:1.68;}
.tile-foot{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;color:var(--c-ink-2);
  background:var(--c-bg);border:1px solid var(--c-line);
  padding:5px 11px;border-radius:var(--r-pill);
}
.tag-accent{background:#E4FBF4;border-color:#BFEFE3;color:#0B6B57;}
.tile-btn{
  font-size:13.5px;font-weight:700;color:var(--c-primary);
  padding:7px 14px;border-radius:10px;background:var(--c-surface-alt);
  transition:background .2s ease-out,color .2s ease-out;
}
.tile-btn:hover{background:var(--c-primary);color:#fff;}

/* ---------- COMPARE ---------- */
.compare-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:768px){.compare-grid{grid-template-columns:repeat(2,1fr);}}
.compare-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
}
.compare-card.dark{background:var(--c-ink);border-color:var(--c-ink);color:var(--c-bg);}
.compare-card h3{font-size:18px;margin-bottom:6px;}
.compare-card .kicker{
  font-size:12.5px;font-weight:700;letter-spacing:.6px;
  color:var(--c-primary);margin-bottom:10px;display:block;
}
.compare-card.dark .kicker{color:var(--c-accent);}
.compare-card ul{margin-top:16px;display:flex;flex-direction:column;gap:11px;}
.compare-card li{
  font-size:14px;line-height:1.7;padding-left:22px;position:relative;
  color:var(--c-ink-2);
}
.compare-card.dark li{color:rgba(247,246,242,.82);}
.compare-card li::before{
  content:"";position:absolute;left:0;top:9px;
  width:8px;height:8px;border-radius:3px;background:var(--c-accent);
}

/* ---------- CHECKLIST ---------- */
.check-list{
  display:grid;grid-template-columns:1fr;gap:0;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
}
.check-item{
  display:flex;gap:16px;padding:20px;
  border-bottom:1px solid var(--c-line);
  transition:background .2s ease-out;
}
.check-item:last-child{border-bottom:0;}
.check-item:hover{background:#FBFAFF;}
.check-idx{
  flex:none;width:30px;height:30px;border-radius:9px;
  background:var(--c-surface-alt);color:var(--c-primary);
  font-weight:800;font-size:13.5px;
  display:flex;align-items:center;justify-content:center;
}
.check-item h3{font-size:16px;margin-bottom:6px;}
.check-item p{font-size:14px;color:var(--c-ink-2);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:background .2s ease-out,border-color .2s ease-out;
}
.faq-item[open]{background:var(--c-surface-alt);border-color:#D6D0F5;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary h3{font-size:16.5px;line-height:1.5;font-weight:700;}
.faq-icon{
  flex:none;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--c-line);background:#fff;color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;line-height:1;font-weight:600;
  transition:transform .2s ease-out,background .2s ease-out,color .2s ease-out;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.faq-body{padding:0 22px 22px;font-size:14.5px;color:var(--c-ink-2);line-height:1.8;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  background:var(--c-ink);color:var(--c-bg);
  padding:38px 26px;
}
@media(min-width:768px){.cta-band{padding:52px 48px;}}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.28;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:rgba(23,21,51,.55);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;}
.cta-inner h2{font-size:clamp(21px,2.6vw,30px);line-height:1.32;max-width:620px;}
.cta-inner p{font-size:14.5px;color:rgba(247,246,242,.76);margin-top:12px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- FOOTER ---------- */
.site-footer{
  background:var(--c-ink);color:var(--c-bg);
  margin-top:56px;padding:48px 0 24px;
}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:30px;
  padding-bottom:32px;border-bottom:1px solid rgba(247,246,242,.14);
}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;}}
.footer-brand .logo-main{color:var(--c-bg);}
.footer-brand .logo-sub{color:rgba(247,246,242,.6);}
.footer-brand .logo-mark{box-shadow:none;}
.footer-desc{
  font-size:13.5px;color:rgba(247,246,242,.68);
  line-height:1.8;margin-top:16px;max-width:330px;
}
.footer-col h3{
  font-size:14px;font-weight:700;margin-bottom:14px;letter-spacing:.4px;
  color:var(--c-bg);
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:13.5px;color:rgba(247,246,242,.7);
  transition:color .2s ease-out,padding-left .2s ease-out;
}
.footer-col a:hover{color:var(--c-accent);padding-left:4px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  padding-top:22px;font-size:12.5px;color:rgba(247,246,242,.58);
}
.fb-links{display:flex;flex-wrap:wrap;gap:16px;}
.fb-links a{color:rgba(247,246,242,.7);}
.fb-links a:hover{color:var(--c-accent);}

/* ---------- BACK TO TOP ---------- */
.to-top{
  position:fixed;right:18px;bottom:20px;z-index:60;
  height:44px;padding:0 18px;border-radius:var(--r-pill);
  background:#fff;color:var(--c-primary);font-weight:700;font-size:13.5px;
  box-shadow:var(--sh-3);border:1px solid var(--c-line);
  display:flex;align-items:center;gap:8px;
  opacity:0;pointer-events:none;
  transition:opacity .25s ease-out,transform .25s ease-out;
}
.to-top.show{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-2px);}

section[id],div[id]{scroll-margin-top:118px;}

/* roulang page: category2 */
:root{
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEBFF;
  --c-ink:#171533;
  --c-ink-2:#4A4766;
  --c-ink-3:#8B89A3;
  --c-primary:#3A2AB8;
  --c-primary-600:#2F2199;
  --c-accent:#12C6A0;
  --c-accent-ink:#0B2A22;
  --c-hot:#E14B21;
  --c-line:#E4E1EE;
  --r-8:8px;--r-12:12px;--r-16:16px;--r-20:20px;--r-full:999px;
  --sh-1:0 1px 2px rgba(23,21,51,.05);
  --sh-2:0 8px 24px -8px rgba(23,21,51,.14);
  --sh-3:0 20px 44px -16px rgba(23,21,51,.24);
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink);
  font-family:var(--font-sans);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 16px;}
@media(min-width:768px){.container{padding:0 24px;}}
@media(min-width:1024px){.container{padding:0 32px;}}

/* ============ 顶栏 ============ */
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,246,242,.94);backdrop-filter:blur(8px);}
.site-header.is-scrolled{background:rgba(255,255,255,.88);box-shadow:var(--sh-2);border-bottom:1px solid var(--c-line);}
.topbar{border-bottom:1px solid transparent;}
.site-header.is-scrolled .topbar{border-bottom-color:transparent;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;height:56px;}
@media(min-width:1024px){.topbar-inner{height:64px;}}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;
  box-shadow:0 6px 16px -6px rgba(58,42,184,.55);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-main{font-weight:800;font-size:16px;letter-spacing:.2px;}
.logo-sub{font-size:11.5px;color:var(--c-ink-3);letter-spacing:.6px;}
.top-actions{display:flex;align-items:center;gap:8px;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:38px;padding:0 12px;border-radius:var(--r-12);
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-2);
  font-size:13.5px;font-weight:600;cursor:pointer;transition:all .22s ease-out;
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-surface-alt);}
.hot-wrap{position:relative;}
.hot-panel{
  position:absolute;right:0;top:46px;width:230px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-16);box-shadow:var(--sh-3);padding:12px;
}
.hot-panel h4{font-size:12.5px;color:var(--c-ink-3);font-weight:700;margin-bottom:8px;letter-spacing:.4px;}
.hot-panel a{display:block;font-size:13.5px;color:var(--c-ink-2);padding:6px 8px;border-radius:var(--r-8);transition:all .2s ease-out;}
.hot-panel a::before{content:"#";color:var(--c-hot);margin-right:6px;font-weight:700;}
.hot-panel a:hover{background:var(--c-surface-alt);color:var(--c-primary);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-12);border:1px solid transparent;
  font-weight:700;font-size:15px;cursor:pointer;transition:all .22s ease-out;white-space:nowrap;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px -12px rgba(58,42,184,.7);}
.btn-primary:hover{background:var(--c-primary-600);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18);}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-surface-alt);}
.btn-accent{background:var(--c-accent);color:var(--c-accent-ink);}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-on-dark{background:#F7F6F2;color:var(--c-ink);}
.btn-on-dark:hover{background:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-outline-dark{background:transparent;border-color:rgba(247,246,242,.38);color:#F7F6F2;}
.btn-outline-dark:hover{border-color:#F7F6F2;background:rgba(247,246,242,.1);}
.hamburger{display:inline-flex;flex-direction:column;justify-content:center;gap:4px;width:38px;height:38px;border-radius:var(--r-12);border:1px solid var(--c-line);background:var(--c-surface);cursor:pointer;align-items:center;}
.hamburger span{display:block;width:16px;height:2px;background:var(--c-ink);border-radius:2px;}
@media(min-width:1024px){.hamburger{display:none;}}

.channel-bar{border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);background:rgba(255,255,255,.6);}
.channel-inner{display:flex;align-items:center;gap:16px;height:44px;}
.channel-nav{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;flex:1;min-width:0;}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-link{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-full);
  font-size:13.5px;font-weight:600;color:var(--c-ink-2);white-space:nowrap;
  transition:all .22s ease-out;
}
.channel-link:hover{color:var(--c-primary);background:var(--c-surface-alt);}
.channel-link.active{background:var(--c-primary);color:#fff;box-shadow:0 6px 14px -8px rgba(58,42,184,.8);}
.trend-strip{display:none;align-items:center;gap:12px;font-size:12.5px;color:var(--c-ink-3);}
@media(min-width:1024px){.trend-strip{display:flex;}}
.trend-item{color:var(--c-hot);font-weight:600;transition:color .2s ease-out;}
.trend-item:hover{color:var(--c-primary);}

.search-drawer{border-bottom:1px solid var(--c-line);background:var(--c-surface);padding:16px 0 18px;box-shadow:var(--sh-2);}
.search-form{display:flex;gap:10px;}
.search-input{
  flex:1;height:46px;padding:0 16px;border-radius:var(--r-12);border:1px solid var(--c-line);
  background:var(--c-bg);font-size:14.5px;transition:all .2s ease-out;
}
.search-input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(58,42,184,.12);background:#fff;}
.search-hot{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:12px;}
.search-hot-label{font-size:12.5px;color:var(--c-ink-3);font-weight:700;}

.mobile-drawer{border-bottom:1px solid var(--c-line);background:var(--c-surface);box-shadow:var(--sh-2);}
.mobile-drawer nav{padding:10px 0 16px;}
.mobile-drawer a{display:block;padding:11px 4px;font-size:15px;font-weight:600;color:var(--c-ink-2);border-bottom:1px dashed var(--c-line);}
.mobile-drawer a:last-child{border-bottom:none;}
.mobile-drawer a.active{color:var(--c-primary);}

/* ============ 页面主体 ============ */
.section{padding:48px 0;scroll-margin-top:110px;}
@media(min-width:1024px){.section{padding:80px 0;}}
.section-tight{padding:36px 0;}
@media(min-width:1024px){.section-tight{padding:56px 0;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:22px;}
@media(min-width:1024px){.section-head{margin-bottom:30px;}}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;letter-spacing:.2px;}
.section-head p{font-size:14px;color:var(--c-ink-2);margin-top:6px;max-width:640px;}
.textlink{color:var(--c-primary);font-weight:700;font-size:14px;text-decoration:underline;text-underline-offset:4px;transition:color .2s ease-out;}
.textlink:hover{color:var(--c-primary-600);}

.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);padding:18px 0 0;}
.breadcrumb a{transition:color .2s ease-out;}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#C9C5DA;}
.breadcrumb .current{color:var(--c-ink);}

/* Hero */
.page-hero{padding:22px 0 44px;}
@media(min-width:1024px){.page-hero{padding:28px 0 66px;}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:26px;align-items:center;}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:44px;}}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 12px;border-radius:var(--r-full);
  background:var(--c-surface-alt);color:var(--c-primary);font-size:12.5px;font-weight:700;letter-spacing:.3px;
}
.hero-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.page-hero h1{
  font-size:clamp(30px,4.4vw,46px);font-weight:800;line-height:1.18;letter-spacing:.2px;
  margin:16px 0 0;
}
.page-hero h1 em{font-style:normal;color:var(--c-primary);}
.hero-lead{margin-top:16px;font-size:15.5px;line-height:1.85;color:var(--c-ink-2);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;padding-top:20px;border-top:1px solid var(--c-line);}
.metric{min-width:96px;}
.metric strong{display:block;font-size:20px;font-weight:800;color:var(--c-primary);letter-spacing:.2px;}
.metric span{font-size:12.5px;color:var(--c-ink-3);}
.hero-figure{position:relative;border-radius:var(--r-20);overflow:hidden;box-shadow:var(--sh-3);aspect-ratio:16/11;background:var(--c-surface-alt);}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-tag{
  position:absolute;top:14px;right:14px;background:var(--c-hot);color:#fff;font-size:12px;font-weight:700;
  padding:6px 12px;border-radius:var(--r-full);letter-spacing:.4px;box-shadow:0 8px 18px -8px rgba(225,75,33,.8);
}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px;}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-full);
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-2);
  font-size:13px;font-weight:600;transition:all .2s ease-out;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* 横向条目列表 */
.entry-list{display:grid;gap:18px;}
.entry-card{
  display:grid;grid-template-columns:1fr;gap:0;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-16);box-shadow:var(--sh-1);
  overflow:hidden;transition:all .22s ease-out;
}
@media(min-width:768px){
  .entry-card{grid-template-columns:236px 1fr;}
}
.entry-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-color:#D8D3EC;}
.entry-thumb{position:relative;aspect-ratio:16/10;background:var(--c-surface-alt);overflow:hidden;}
@media(min-width:768px){.entry-thumb{aspect-ratio:auto;height:100%;min-height:168px;}}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out;}
.entry-card:hover .entry-thumb img{transform:scale(1.04);}
.entry-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;}
@media(min-width:1024px){.entry-body{padding:22px 26px;}}
.entry-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-full);font-size:12px;font-weight:700;letter-spacing:.2px;}
.badge-cat{background:var(--c-surface-alt);color:var(--c-primary);}
.badge-hot{background:var(--c-hot);color:#fff;}
.badge-status{background:rgba(18,198,160,.14);color:var(--c-accent-ink);}
.badge-status::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);margin-right:6px;}
.entry-body h3{font-size:17.5px;font-weight:700;line-height:1.45;transition:color .2s ease-out;}
.entry-card:hover .entry-body h3{color:var(--c-primary);}
.entry-body p{font-size:14px;color:var(--c-ink-2);line-height:1.7;}
.entry-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:10px;border-top:1px dashed var(--c-line);}
.entry-foot .sub{font-size:12.5px;color:var(--c-ink-3);}

/* 速查卡 */
.quick-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:640px){.quick-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.quick-grid{grid-template-columns:repeat(4,1fr);gap:20px;}}
.quick-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-16);
  padding:20px;box-shadow:var(--sh-1);transition:all .22s ease-out;display:flex;flex-direction:column;gap:8px;
}
.quick-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-color:#D8D3EC;}
.quick-card h3{font-size:16px;font-weight:700;}
.quick-card p{font-size:13.5px;color:var(--c-ink-2);line-height:1.7;}
.quick-card .qtag{font-size:12px;font-weight:700;color:var(--c-primary);background:var(--c-surface-alt);border-radius:var(--r-full);padding:4px 10px;align-self:flex-start;}

/* 步骤 */
.steps-band{background:var(--c-surface-alt);border-radius:var(--r-20);padding:30px 20px;}
@media(min-width:1024px){.steps-band{padding:44px 40px;}}
.steps{display:grid;grid-template-columns:1fr;gap:18px;margin-top:24px;}
@media(min-width:768px){.steps{grid-template-columns:repeat(3,1fr);gap:20px;}}
.step{
  background:var(--c-surface);border-radius:var(--r-16);padding:22px;border:1px solid rgba(58,42,184,.1);
  box-shadow:var(--sh-1);transition:all .22s ease-out;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-num{
  width:34px;height:34px;border-radius:var(--r-12);background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;margin-bottom:14px;
}
.step h3{font-size:16.5px;font-weight:700;margin-bottom:8px;}
.step p{font-size:13.5px;color:var(--c-ink-2);line-height:1.75;}

/* 提示条 */
.notice-band{
  background:#171533;color:#F7F6F2;border-radius:var(--r-20);padding:28px 22px;position:relative;overflow:hidden;
}
@media(min-width:1024px){.notice-band{padding:40px 40px;}}
.notice-band::after{
  content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;opacity:.18;
}
.notice-band > *{position:relative;z-index:1;}
.notice-band h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;color:#F7F6F2;}
.notice-list{display:grid;grid-template-columns:1fr;gap:14px;margin-top:20px;}
@media(min-width:768px){.notice-list{grid-template-columns:repeat(3,1fr);gap:20px;}}
.notice-list li{display:flex;gap:10px;font-size:14px;line-height:1.75;color:rgba(247,246,242,.86);}
.notice-list li::before{content:"›";color:var(--c-accent);font-weight:800;font-size:18px;line-height:1.4;}

/* FAQ */
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-16);
  padding:0 20px;box-shadow:var(--sh-1);transition:all .22s ease-out;
}
.faq-item[open]{background:var(--c-surface-alt);border-color:rgba(58,42,184,.16);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 0;font-size:16px;font-weight:700;line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex-shrink:0;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;
  transition:transform .2s ease-out,background .2s ease-out,color .2s ease-out;
}
.faq-item[open] summary::after{transform:rotate(45deg);background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.faq-item .faq-body{padding:0 0 20px;font-size:14.5px;line-height:1.85;color:var(--c-ink-2);}

/* CTA */
.cta-band{
  background:#171533;color:#F7F6F2;border-radius:var(--r-20);padding:34px 22px;position:relative;overflow:hidden;
}
@media(min-width:1024px){.cta-band{padding:54px 48px;}}
.cta-band::after{
  content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;opacity:.3;mix-blend-mode:luminosity;
}
.cta-band .cta-inner{position:relative;z-index:1;display:flex;flex-direction:column;gap:22px;}
@media(min-width:1024px){.cta-band .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:40px;}}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;color:#F7F6F2;}
.cta-band p{margin-top:10px;font-size:14.5px;color:rgba(247,246,242,.78);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* 页脚 */
.site-footer{background:#171533;color:rgba(247,246,242,.82);margin-top:48px;padding:44px 0 22px;}
@media(min-width:1024px){.site-footer{margin-top:80px;padding:60px 0 26px;}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:30px;}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}}
.footer-brand .logo-mark{background:var(--c-primary);}
.footer-brand .logo-main{color:#F7F6F2;}
.footer-brand .logo-sub{color:rgba(247,246,242,.55);}
.footer-desc{margin-top:14px;font-size:13.5px;line-height:1.8;color:rgba(247,246,242,.68);max-width:330px;}
.footer-col h3{font-size:14px;font-weight:700;color:#F7F6F2;margin-bottom:14px;letter-spacing:.3px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:13.5px;color:rgba(247,246,242,.72);transition:color .2s ease-out;}
.footer-col a:hover{color:var(--c-accent);}
.footer-bottom{
  margin-top:34px;padding-top:18px;border-top:1px solid rgba(247,246,242,.14);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:12.5px;color:rgba(247,246,242,.55);
}
.fb-links{display:flex;flex-wrap:wrap;gap:16px;}
.fb-links a{color:rgba(247,246,242,.62);transition:color .2s ease-out;}
.fb-links a:hover{color:var(--c-accent);}

/* 返回顶部 */
.to-top{
  position:fixed;right:16px;bottom:20px;z-index:60;height:44px;padding:0 18px;border-radius:var(--r-full);
  background:var(--c-primary);color:#fff;font-size:13.5px;font-weight:700;border:none;cursor:pointer;
  box-shadow:var(--sh-3);opacity:0;pointer-events:none;transition:opacity .25s ease-out,transform .25s ease-out;
  transform:translateY(8px);
}
.to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0);}
.to-top:hover{background:var(--c-primary-600);}
@media(min-width:1024px){.to-top{right:28px;bottom:28px;}}

/* roulang page: category3 */
:root{
  --c-bg:#F7F6F2;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EFEBFF;
  --c-ink:#171533;
  --c-ink-2:#4A4766;
  --c-ink-3:#8B89A3;
  --c-primary:#3A2AB8;
  --c-primary-600:#2F2199;
  --c-accent:#12C6A0;
  --c-accent-ink:#0B2A22;
  --c-hot:#E14B21;
  --c-line:#E4E1EE;
  --r-8:8px;--r-12:12px;--r-16:16px;--r-20:20px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(23,21,51,.05);
  --sh-2:0 8px 24px -8px rgba(23,21,51,.14);
  --sh-3:0 20px 44px -16px rgba(23,21,51,.24);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:var(--c-primary);text-decoration:none}
a:hover{color:var(--c-primary-600)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}

.container{max-width:1240px !important;margin:0 auto;padding:0 32px}
@media (max-width:1023px){.container{padding:0 24px}}
@media (max-width:639px){.container{padding:0 16px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-12);
  font-size:15px;font-weight:700;line-height:1;letter-spacing:.2px;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .22s ease-out,color .22s ease-out,box-shadow .22s ease-out,transform .22s ease-out,border-color .22s ease-out;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.22)}
.btn-ghost{background:transparent;color:var(--c-ink);border-color:var(--c-line)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-surface-alt)}
.btn-accent{background:var(--c-accent);color:var(--c-accent-ink)}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-2)}
.link-more{font-weight:700;font-size:14px;text-decoration:underline;text-underline-offset:4px;white-space:nowrap}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:700;letter-spacing:.2px}
.badge-cat{background:var(--c-surface-alt);color:var(--c-primary)}
.badge-hot{background:var(--c-hot);color:#fff;font-size:12px}
.badge-status{background:#E4F8F2;color:#0B5B4A}
.badge-status::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent)}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,246,242,.9);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease-out,box-shadow .25s ease-out,border-color .25s ease-out;
}
.site-header.is-scrolled{background:rgba(255,255,255,.9);box-shadow:var(--sh-2);border-bottom-color:var(--c-line)}

.brand-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
@media (max-width:639px){.brand-bar{height:56px;gap:10px}}

.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-size:17px;font-weight:800;
  box-shadow:inset 0 -2px 0 rgba(0,0,0,.16);
}
.logo-text{display:flex;flex-direction:column;line-height:1.14}
.logo-main{font-size:17px;font-weight:800;color:var(--c-ink);letter-spacing:.3px}
.logo-sub{font-size:11.5px;color:var(--c-ink-3);letter-spacing:.8px;font-weight:600}

.header-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-12);
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);
  display:grid;place-items:center;cursor:pointer;font-size:15px;
  transition:all .22s ease-out;
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-surface-alt)}
.hamburger{display:none}
@media (max-width:1023px){
  .hamburger{display:grid}
  .header-actions .btn-primary{display:none}
}

/* ---------- 频道导航 ---------- */
.channel-bar{border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);background:rgba(255,255,255,.6)}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:46px}
.channel-nav{display:flex;align-items:center;gap:4px;min-width:0;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-link{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:var(--c-ink-2);white-space:nowrap;
  transition:background-color .2s ease-out,color .2s ease-out;
}
.channel-link:hover{background:var(--c-surface-alt);color:var(--c-primary)}
.channel-link.active{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.channel-link.active:hover{background:var(--c-primary-600);color:#fff}

.hot-words{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.hot-words .hw-title{font-size:13px;font-weight:700;color:var(--c-ink-3)}
.hot-words a{font-size:13px;font-weight:600;color:var(--c-hot)}
.hot-words a:hover{color:var(--c-primary)}
@media (max-width:1023px){.hot-words{display:none}}

/* ---------- 移动抽屉 ---------- */
.mobile-panel{display:none;border-bottom:1px solid var(--c-line);background:#fff;box-shadow:var(--sh-2)}
.mobile-panel.open{display:block}
.mobile-panel .mp-inner{padding:14px 0 18px}
.mobile-panel a{
  display:block;padding:12px 14px;border-radius:var(--r-12);
  font-size:15px;font-weight:600;color:var(--c-ink-2);
}
.mobile-panel a:hover{background:var(--c-surface-alt);color:var(--c-primary)}
.mobile-panel a.active{background:var(--c-primary);color:#fff}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 0}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3)}
.crumb li{display:flex;align-items:center;gap:8px;min-width:0}
.crumb .sep{color:#C9C6DA}
.crumb a{color:var(--c-ink-3)}
.crumb a:hover{color:var(--c-primary)}
.crumb .current{color:var(--c-ink);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60vw}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;margin-top:18px;
  border:1px solid var(--c-line);border-radius:var(--r-20);
  background:#EFEBFF url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(247,246,242,.97) 0%,rgba(247,246,242,.92) 52%,rgba(247,246,242,.76) 100%);
}
.page-hero .ph-inner{position:relative;z-index:1;padding:40px 40px 36px;max-width:840px}
@media (max-width:767px){.page-hero .ph-inner{padding:28px 20px 26px}}
.page-hero h1{
  font-size:clamp(28px,4vw,42px);font-weight:800;line-height:1.2;letter-spacing:.2px;
  margin:14px 0 14px;
}
.page-hero .ph-sub{font-size:16px;line-height:1.8;color:var(--c-ink-2);max-width:680px}
.page-hero .ph-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:6px}

.stat-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:26px}
@media (max-width:639px){.stat-strip{grid-template-columns:1fr}}
.stat-item{
  background:rgba(255,255,255,.86);border:1px solid var(--c-line);border-radius:var(--r-12);
  padding:14px 16px;
}
.stat-item .sv{font-size:20px;font-weight:800;color:var(--c-primary);line-height:1.2}
.stat-item .sl{font-size:13px;color:var(--c-ink-2);margin-top:4px}

/* ---------- 筛选 chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);
  font-size:14px;font-weight:600;color:var(--c-ink-2);cursor:pointer;
  transition:all .2s ease-out;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary)}
.chip.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}

/* ---------- 板块通用 ---------- */
.section{padding:56px 0 0}
@media (max-width:639px){.section{padding:42px 0 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:22px}
.section-head h2{font-size:clamp(21px,2.5vw,28px);font-weight:700;line-height:1.32}
.section-head p{font-size:14px;color:var(--c-ink-2);margin-top:6px}

/* ---------- 主区 + 侧栏 ---------- */
.layout-main{display:grid;grid-template-columns:minmax(0,1fr) 344px;gap:28px;align-items:start;margin-top:26px}
@media (max-width:1023px){.layout-main{grid-template-columns:1fr;gap:36px}}

.cards-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
@media (max-width:767px){.cards-2{grid-template-columns:1fr}}

.info-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-16);
  box-shadow:var(--sh-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6D1EA}
.info-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-alt)}
.info-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.info-card:hover .thumb img{transform:scale(1.03)}
.info-card .thumb .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);color:var(--c-primary)}
.info-card .body{padding:18px 18px 16px;display:flex;flex-direction:column;flex:1}
.info-card h3{font-size:17px;font-weight:700;line-height:1.45;margin-bottom:8px}
.info-card:hover h3{color:var(--c-primary)}
.info-card .desc{font-size:14px;line-height:1.68;color:var(--c-ink-2);margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.info-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;border-top:1px dashed var(--c-line)}
.info-card .tags{display:flex;gap:8px;flex-wrap:wrap}
.tag{font-size:12px;font-weight:600;color:var(--c-ink-3);background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-pill);padding:2px 10px}

/* ---------- 侧栏 ---------- */
.side{position:sticky;top:126px;display:grid;gap:18px}
@media (max-width:1023px){.side{position:static}}
.aside-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-16);box-shadow:var(--sh-1);padding:18px}
.aside-card h3{font-size:15.5px;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.aside-card h3 i{color:var(--c-primary);font-size:14px}
.aside-list{display:grid;gap:4px}
.aside-list a{
  display:flex;gap:10px;align-items:flex-start;
  padding:9px 10px;border-radius:10px;font-size:14px;color:var(--c-ink-2);font-weight:600;
  transition:background-color .2s ease-out,color .2s ease-out;
}
.aside-list a:hover{background:var(--c-surface-alt);color:var(--c-primary)}
.aside-list .num{color:var(--c-ink-3);font-weight:800;font-size:12.5px;line-height:1.6}

.contact-card{background:var(--c-ink);color:var(--c-bg);border:none}
.contact-card h3{color:#fff}
.contact-card p{font-size:13.5px;line-height:1.75;color:rgba(247,246,242,.72);margin-bottom:16px}
.contact-card .btn-accent{width:100%}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-16);
  overflow:hidden;box-shadow:var(--sh-1);transition:background-color .22s ease-out,border-color .22s ease-out;
}
.faq-item[open]{background:var(--c-surface-alt);border-color:#D9D2F5}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 18px;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-q{font-size:16px;font-weight:700;line-height:1.5;margin:0}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--c-line);color:var(--c-primary);
  display:grid;place-items:center;font-size:16px;font-weight:700;
  transition:transform .22s ease-out,background-color .22s ease-out,color .22s ease-out;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.faq-a{padding:0 18px 18px;font-size:14.5px;line-height:1.82;color:var(--c-ink-2)}
.faq-a p+p{margin-top:10px}
.faq-a ul{margin-top:10px;display:grid;gap:8px}
.faq-a li{position:relative;padding-left:16px}
.faq-a li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--c-accent)}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
@media (max-width:1023px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:599px){.steps{grid-template-columns:1fr}}
.step{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-16);padding:20px 18px;box-shadow:var(--sh-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step .sn{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:var(--c-surface-alt);color:var(--c-primary);font-weight:800;font-size:15px;margin-bottom:12px;
}
.step h3{font-size:16px;font-weight:700;margin-bottom:8px}
.step p{font-size:13.8px;line-height:1.72;color:var(--c-ink-2)}
.step::after{
  content:"";position:absolute;right:-14px;top:38px;width:10px;height:2px;background:var(--c-line);
}
.steps .step:last-child::after{display:none}
@media (max-width:1023px){.steps .step:nth-child(2)::after{display:none}}
@media (max-width:599px){.steps .step::after{display:none}}

/* ---------- 保障条 ---------- */
.guard{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;background:var(--c-surface-alt);border:1px solid #DED7F8;border-radius:var(--r-20);overflow:hidden}
@media (max-width:1023px){.guard{grid-template-columns:repeat(2,minmax(0,1fr))}}
.guard-item{padding:22px 20px;border-right:1px solid #DED7F8}
.guard-item:last-child{border-right:none}
@media (max-width:1023px){
  .guard-item:nth-child(2){border-right:none}
  .guard-item:nth-child(1),.guard-item:nth-child(2){border-bottom:1px solid #DED7F8}
}
.guard-item i{font-size:18px;color:var(--c-primary);margin-bottom:10px;display:block}
.guard-item h3{font-size:15.5px;font-weight:700;margin-bottom:6px}
.guard-item p{font-size:13.6px;line-height:1.7;color:var(--c-ink-2)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;margin-top:56px;
  background:var(--c-ink) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-radius:var(--r-20);
}
.cta-band::before{content:"";position:absolute;inset:0;background:rgba(23,21,51,.86)}
.cta-band .cta-inner{
  position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;
  gap:28px;padding:40px 40px;
}
@media (max-width:1023px){.cta-band .cta-inner{flex-direction:column;align-items:flex-start;padding:30px 24px}}
.cta-band h2{color:#F7F6F2;font-size:clamp(21px,2.6vw,28px);font-weight:700;line-height:1.34;max-width:620px}
.cta-band p{color:rgba(247,246,242,.72);font-size:14.5px;margin-top:10px;max-width:600px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}
.cta-band .btn-ghost{color:#F7F6F2;border-color:rgba(247,246,242,.35);background:transparent}
.cta-band .btn-ghost:hover{color:#fff;border-color:#F7F6F2;background:rgba(247,246,242,.12)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:var(--c-bg);margin-top:72px;padding-top:52px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:599px){.footer-grid{grid-template-columns:1fr;gap:26px}}
.footer-brand .logo-main{color:#F7F6F2}
.footer-brand .logo-sub{color:rgba(247,246,242,.55)}
.footer-desc{font-size:13.8px;line-height:1.8;color:rgba(247,246,242,.68);margin-top:14px;max-width:360px}
.footer-col h3{font-size:14px;font-weight:700;color:#F7F6F2;margin-bottom:16px;letter-spacing:.3px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:13.8px;color:rgba(247,246,242,.68);transition:color .2s ease-out}
.footer-col a:hover{color:#fff}
.footer-bottom{
  margin-top:44px;padding:18px 0 26px;border-top:1px solid rgba(247,246,242,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,246,242,.58);
}
.fb-links{display:flex;gap:18px;flex-wrap:wrap}
.fb-links a{font-size:13px;color:rgba(247,246,242,.58)}
.fb-links a:hover{color:#fff}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:60;
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh-2);
  color:var(--c-ink);font-size:14px;font-weight:700;cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .25s ease-out,transform .25s ease-out,visibility .25s;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{color:var(--c-primary);border-color:var(--c-primary)}
@media (max-width:639px){.to-top{right:14px;bottom:14px;height:40px;padding:0 14px;font-size:13px}}