/* roulang page: index */
:root{
  --ink-900:#0E1013;
  --ink-700:#22262B;
  --ink-500:#5A6068;
  --ink-300:#9AA0A6;
  --line:#E4E2DC;
  --paper:#F7F6F2;
  --paper-2:#FFFFFF;
  --accent:#C8F24E;
  --accent-deep:#A8D62F;
  --clay:#E2603C;
  --r-card:16px;
  --r-img:20px;
  --r-input:12px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--ink-700);
  background:var(--paper);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease)}
button,input{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}

h1,h2,h3,h4,h5,h6{
  margin:0;
  color:var(--ink-700);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.25;
}
h1{font-size:clamp(34px,4.8vw,60px);line-height:1.1}
h2{font-size:clamp(26px,3.2vw,40px);line-height:1.25}
h3{font-size:21px;line-height:1.4}
p{margin:0}

/* ---------- 容器 ---------- */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:104px 0}
.section-tight{padding:72px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:48px;
  flex-wrap:wrap;
}
.section-head .eyebrow{
  display:block;
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--ink-300);
  margin-bottom:10px;
  font-weight:600;
}
.title-bar{
  display:flex;
  align-items:center;
  gap:16px;
}
.title-bar::before{
  content:"";
  display:block;
  width:40px;
  height:6px;
  border-radius:3px;
  background:var(--accent);
  flex:0 0 auto;
}
.section-head p.lead{
  max-width:560px;
  color:var(--ink-500);
  font-size:16px;
  line-height:1.85;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-900);
  position:relative;
  min-height:44px;
}
.text-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:8px;
  width:100%;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s var(--ease);
}
.text-link:hover::after{transform:scaleX(1)}
.text-link i{transition:transform .24s var(--ease)}
.text-link:hover i{transform:translateX(4px)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:48px;
  padding:0 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn i{transition:transform .24s var(--ease)}
.btn:hover i{transform:translateX(4px)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:var(--ink-900);border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-deep);border-color:var(--accent-deep);box-shadow:0 12px 28px rgba(168,214,47,.35)}
.btn-outline{background:transparent;color:var(--ink-900);border-color:var(--ink-900)}
.btn-outline:hover{background:var(--ink-900);color:var(--paper)}
.btn-ghost-light{background:transparent;color:var(--paper);border-color:rgba(247,246,242,.38)}
.btn-ghost-light:hover{border-color:var(--accent);color:var(--accent)}
.btn-dark{background:var(--paper);color:var(--ink-900);border-color:var(--paper)}
.btn-dark:hover{background:var(--ink-900);color:var(--paper);border-color:var(--ink-900)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  letter-spacing:.08em;
  font-weight:600;
  padding:5px 12px;
  border-radius:6px;
  border:1px solid var(--line);
  color:var(--ink-500);
  background:var(--paper-2);
}
.badge-ink{background:var(--ink-900);color:var(--paper);border-color:var(--ink-900)}
.badge-accent{background:var(--accent);color:var(--ink-900);border-color:var(--accent)}
.badge-clay{background:transparent;color:var(--clay);border-color:rgba(226,96,60,.4)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:140;
  background:rgba(247,246,242,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease),background .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 12px 34px rgba(16,18,20,.08)}
.brand-row{transition:height .3s var(--ease)}
.brand-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:78px;
  transition:height .3s var(--ease);
}
.site-header.is-scrolled .brand-inner{height:66px}
.logo{display:flex;align-items:center;gap:11px;min-height:44px}
.logo-mark{
  display:grid;
  place-items:center;
  width:38px;
  height:38px;
  border-radius:11px;
  background:var(--ink-900);
  color:var(--accent);
  font-family:"Space Grotesk",sans-serif;
  font-weight:700;
  font-size:19px;
  flex:0 0 auto;
}
.logo-text{
  font-weight:900;
  font-size:18px;
  letter-spacing:-.02em;
  color:var(--ink-900);
  white-space:nowrap;
}
.brand-actions{display:flex;align-items:center;gap:18px}
.search-box{
  display:flex;
  align-items:center;
  gap:10px;
  height:44px;
  padding:0 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--paper-2);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.search-box:focus-within{border-color:var(--ink-900);box-shadow:0 0 0 2px rgba(200,242,78,.65)}
.search-box i{color:var(--ink-300);font-size:14px}
.search-box input{
  border:0;
  outline:0;
  background:transparent;
  width:186px;
  font-size:14px;
  color:var(--ink-700);
}
.search-box input::placeholder{color:var(--ink-300)}
.icon-btn{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--paper-2);
  color:var(--ink-900);
  cursor:pointer;
}
.hamburger{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;
  height:44px;
  padding:0 11px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--paper-2);
  cursor:pointer;
}
.hamburger span{display:block;height:2px;border-radius:2px;background:var(--ink-900);transition:transform .24s var(--ease),opacity .24s var(--ease)}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.is-open span:nth-child(2){opacity:0}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.channel-row{border-top:1px solid var(--line)}
.channel-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:56px;
}
.channels{display:flex;align-items:center;gap:32px;overflow-x:auto;scrollbar-width:none}
.channels::-webkit-scrollbar{display:none}
.channel{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:56px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-500);
  white-space:nowrap;
  transition:color .24s var(--ease);
}
.channel::after{
  content:"";
  position:absolute;
  left:0;
  bottom:14px;
  width:100%;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .28s var(--ease);
}
.channel:hover{color:var(--ink-900)}
.channel:hover::after,.channel.active::after{transform:scaleX(1)}
.channel.active{color:var(--ink-900)}
.channel-all{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--ink-500);
  padding-left:22px;
  border-left:1px solid var(--line);
  min-height:44px;
}
.channel-all:hover{color:var(--ink-900)}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:160;
  background:var(--paper);
  transform:translateY(-100%);
  transition:transform .24s var(--ease);
  display:flex;
  flex-direction:column;
  padding:22px 20px 32px;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateY(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--paper-2);color:var(--ink-900);font-size:17px;cursor:pointer;
}
.drawer-search{display:flex;align-items:center;gap:10px;height:52px;padding:0 16px;border-radius:var(--r-input);border:1px solid var(--line);background:var(--paper-2);margin-bottom:22px}
.drawer-search input{border:0;outline:0;background:transparent;width:100%;font-size:15px}
.drawer-links{display:flex;flex-direction:column;gap:2px;margin-bottom:26px}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;padding:0 4px;font-size:17px;font-weight:600;color:var(--ink-700);
  border-bottom:1px solid var(--line);
}
.drawer-links a i{color:var(--ink-300);font-size:13px}
.drawer-links a.active{color:var(--ink-900)}
.drawer-links a.active i{color:var(--accent-deep)}
.drawer-cta{display:grid;gap:12px;margin-bottom:26px}
.drawer-cta .btn{width:100%}
.drawer-foot{font-size:13px;line-height:1.9;color:var(--ink-300);border-top:1px solid var(--line);padding-top:18px}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  background:var(--ink-900);
  color:var(--paper);
  padding:98px 0 106px;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.16;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 78% 18%, rgba(200,242,78,.16), transparent 52%),
             linear-gradient(180deg, rgba(14,16,19,.55), rgba(14,16,19,.94));
}
.hero .container{position:relative;z-index:2}
.hero-inner{
  display:grid;
  grid-template-columns:1.04fr .96fr;
  gap:64px;
  align-items:center;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.14em;
  font-weight:600;
  padding:7px 14px;
  border-radius:6px;
  border:1px solid rgba(200,242,78,.4);
  color:var(--accent);
  margin-bottom:24px;
  background:rgba(200,242,78,.07);
}
.hero h1{color:var(--paper);margin-bottom:22px;max-width:15em}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-sub{
  font-size:18px;
  line-height:1.85;
  color:rgba(247,246,242,.76);
  max-width:30em;
  margin-bottom:34px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.hero-points{display:flex;flex-wrap:wrap;gap:26px}
.hero-points li{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(247,246,242,.82);
}
.hero-points i{color:var(--accent);font-size:15px}

.hero-visual{position:relative}
.hero-visual img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-img);
  border:1px solid rgba(247,246,242,.16);
  background:#1a1d21;
}
.float-card{
  position:absolute;
  left:-18px;
  bottom:28px;
  background:var(--paper-2);
  color:var(--ink-900);
  border-radius:14px;
  padding:14px 20px;
  box-shadow:0 22px 46px rgba(0,0,0,.35);
  display:flex;
  flex-direction:column;
  gap:2px;
}
.float-num{
  font-family:"Space Grotesk",sans-serif;
  font-size:26px;
  font-weight:700;
  line-height:1.1;
  color:var(--ink-900);
}
.float-label{font-size:12px;letter-spacing:.08em;color:var(--ink-500)}

/* ---------- 能力横条 ---------- */
.ability{border-bottom:1px solid var(--line);background:var(--paper-2)}
.ability-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.ability-item{
  display:flex;
  align-items:center;
  gap:16px;
  padding:30px 26px;
  border-right:1px solid var(--line);
  transition:background .28s var(--ease);
}
.ability-item:last-child{border-right:0}
.ability-item:hover{background:var(--paper)}
.ability-icon{
  display:grid;
  place-items:center;
  width:46px;
  height:46px;
  border-radius:12px;
  background:var(--ink-900);
  color:var(--accent);
  font-size:17px;
  flex:0 0 auto;
}
.ability-item h3{font-size:16px;margin-bottom:2px}
.ability-item p{font-size:13px;color:var(--ink-500);line-height:1.6}

/* ---------- 卡片通用 ---------- */
.card{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease);
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--ink-700);
  box-shadow:0 18px 40px rgba(16,18,20,.10);
}
.card-media{overflow:hidden;background:#ECE9E3}
.card-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .32s var(--ease);
}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{
  font-size:14px;
  line-height:1.85;
  color:var(--ink-500);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  margin-top:auto;
  padding-top:16px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--ink-500);
}
.card-foot .go{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--ink-900);
}
.card-foot .go i{transition:transform .24s var(--ease)}
.card:hover .card-foot .go i{transform:translateX(4px)}

/* ---------- 热点网格 ---------- */
.feature-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:24px;
  align-items:stretch;
}
.feature-stack{display:grid;gap:24px;grid-template-rows:1fr 1fr}
.feature-card-lg .card-media img{aspect-ratio:16/10}
.feature-card-lg .card-body{padding:32px}
.feature-card-lg h3{font-size:26px;line-height:1.35}
.feature-card-lg p{font-size:15px;-webkit-line-clamp:3}
.feature-stack .card-media img{aspect-ratio:16/9}
.feature-stack .card-body{padding:22px;gap:8px}
.feature-stack h3{font-size:18px}
.feature-stack p{font-size:13.5px;-webkit-line-clamp:2}

/* ---------- 评价轮播 ---------- */
.review-section{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.review-track{
  display:flex;
  gap:24px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:6px 4px 22px;
  scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none}
.review-card{
  flex:0 0 calc((100% - 48px)/3);
  scroll-snap-align:start;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px;
  display:flex;
  flex-direction:column;
  gap:16px;
  transition:transform .32s var(--ease),border-color .32s var(--ease);
}
.review-card:hover{transform:translateY(-4px);border-color:var(--ink-700)}
.review-top{display:flex;align-items:center;gap:14px}
.avatar{
  width:46px;height:46px;border-radius:50%;
  background:var(--ink-900);color:var(--accent);
  display:grid;place-items:center;
  font-weight:700;font-size:15px;flex:0 0 auto;
  font-family:"Space Grotesk",sans-serif;
}
.review-name{font-weight:700;font-size:15px;color:var(--ink-900)}
.review-role{font-size:12px;color:var(--ink-300);letter-spacing:.04em}
.stars{color:var(--accent-deep);font-size:12px;letter-spacing:2px}
.review-card blockquote{
  margin:0;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-700);
}
.review-tag{margin-top:auto;font-size:12px;color:var(--ink-300);letter-spacing:.06em}

/* ---------- 最新信息 ---------- */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.news-card{
  display:flex;
  flex-direction:column;
  gap:14px;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px;
  transition:transform .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease);
}
.news-card:hover{
  transform:translateY(-4px);
  border-color:var(--ink-700);
  box-shadow:0 18px 40px rgba(16,18,20,.10);
}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.news-date{font-size:12px;color:var(--ink-300);letter-spacing:.04em}
.news-card h3{
  font-size:18px;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card p{
  font-size:14px;
  line-height:1.85;
  color:var(--ink-500);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-more{
  margin-top:auto;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  font-weight:600;
  color:var(--ink-900);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.news-card:hover .news-more i{transform:translateX(4px)}
.news-more i{transition:transform .24s var(--ease)}
.empty-state{
  grid-column:1 / -1;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  padding:56px 24px;
  text-align:center;
  background:var(--paper-2);
  color:var(--ink-500);
}
.empty-state strong{display:block;font-size:17px;color:var(--ink-700);margin-bottom:8px}
.empty-state .btn{margin-top:18px}

/* ---------- 保障条 ---------- */
.assure{background:var(--ink-900);color:var(--paper);padding:88px 0}
.assure-head{max-width:640px;margin-bottom:52px}
.assure-head h2{color:var(--paper);margin-bottom:14px}
.assure-head p{color:rgba(247,246,242,.66);font-size:16px}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.assure-item{border-top:1px solid rgba(247,246,242,.16);padding-top:24px}
.assure-num{
  font-family:"Space Grotesk",sans-serif;
  font-size:clamp(40px,4.4vw,58px);
  font-weight:700;
  line-height:1.05;
  color:var(--accent);
  display:block;
  margin-bottom:10px;
}
.assure-item h3{color:var(--paper);font-size:16px;margin-bottom:6px}
.assure-item p{font-size:13.5px;line-height:1.75;color:rgba(247,246,242,.6)}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--accent);
  color:var(--ink-900);
  padding:96px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:48px;
  flex-wrap:wrap;
}
.cta-copy{max-width:640px}
.cta-band h2{color:var(--ink-900);margin-bottom:14px}
.cta-band p{font-size:16px;color:rgba(14,16,19,.72);line-height:1.85}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.cta-band .btn-primary{background:var(--ink-900);color:var(--paper);border-color:var(--ink-900)}
.cta-band .btn-primary:hover{background:#000;border-color:#000}
.cta-band .text-link{color:var(--ink-900)}
.cta-band .text-link::after{background:var(--ink-900)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(247,246,242,.72);padding:76px 0 0}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:56px;
  border-bottom:1px solid rgba(247,246,242,.12);
}
.footer-brand .logo-mark{background:var(--accent);color:var(--ink-900)}
.footer-brand .logo-text{color:var(--paper)}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.9;
  color:rgba(247,246,242,.6);
  max-width:34em;
}
.footer-col h4{
  color:var(--paper);
  font-size:14px;
  letter-spacing:.08em;
  margin-bottom:18px;
  font-weight:700;
}
.footer-col ul{display:flex;flex-direction:column;gap:2px}
.footer-col a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  font-size:14px;
  color:rgba(247,246,242,.62);
}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  line-height:1.8;
  color:rgba(247,246,242,.62);
  margin-bottom:12px;
}
.footer-contact i{color:var(--accent);margin-top:6px;font-size:13px}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding:26px 0 30px;
  font-size:13px;
  color:rgba(247,246,242,.45);
}
.footer-bottom a{color:rgba(247,246,242,.45)}
.footer-bottom a:hover{color:var(--accent)}

.back-top{
  position:fixed;
  right:24px;
  bottom:28px;
  width:48px;
  height:48px;
  border-radius:14px;
  border:1px solid var(--line);
  background:var(--paper-2);
  color:var(--ink-900);
  font-size:16px;
  display:grid;
  place-items:center;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
  z-index:130;
  box-shadow:0 14px 30px rgba(16,18,20,.14);
}
.back-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--accent)}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:translateY(0)}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 28px}
  .review-card{flex:0 0 calc((100% - 48px)/3)}
}
@media (max-width:1023px){
  .section{padding:76px 0}
  .hero{padding:76px 0 84px}
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero h1{max-width:100%}
  .feature-grid{grid-template-columns:1fr}
  .feature-stack{grid-template-rows:auto;grid-template-columns:1fr 1fr}
  .ability-grid{grid-template-columns:repeat(2,1fr)}
  .ability-item:nth-child(2){border-right:0}
  .ability-item:nth-child(1),.ability-item:nth-child(2){border-bottom:1px solid var(--line)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .assure-grid{grid-template-columns:repeat(2,1fr);gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:38px}
  .review-card{flex:0 0 calc((100% - 24px)/2)}
  .search-box input{width:140px}
}
@media (max-width:860px){
  .search-box,.brand-actions .text-link,.brand-actions .btn{display:none}
  .icon-btn,.hamburger{display:flex}
  .brand-actions{gap:10px}
  .channels{gap:22px;padding-right:28px}
  .channel-inner{height:52px}
  .channel{height:52px;font-size:14px}
  .channel::after{bottom:12px}
  .channel-all{display:none}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:60px 0}
  .section-head{margin-bottom:32px}
  .hero{padding:56px 0 66px}
  .hero-sub{font-size:16px}
  .hero-cta .btn{width:100%}
  .hero-points{gap:16px 22px}
  .float-card{left:auto;right:12px;bottom:12px;padding:12px 16px}
  .ability-grid{grid-template-columns:1fr}
  .ability-item{border-right:0;border-bottom:1px solid var(--line);padding:22px 0}
  .ability-item:last-child{border-bottom:0}
  .feature-stack{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .assure-grid{grid-template-columns:1fr;gap:22px}
  .cta-band{padding:64px 0}
  .cta-inner{gap:28px}
  .cta-actions .btn{width:100%}
  .review-card{flex:0 0 85%}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .back-top{right:16px;bottom:18px}
}
@media (max-width:520px){
  .hero h1{font-size:32px}
  .section-head h2{font-size:24px}
  .card-body,.news-card{padding:20px}
  .feature-card-lg .card-body{padding:22px}
}

/* roulang page: article */
:root{
  --ink-900:#0E1013;
  --ink-700:#22262B;
  --ink-500:#5A6068;
  --ink-300:#9AA0A6;
  --line:#E4E2DC;
  --paper:#F7F6F2;
  --paper-2:#FFFFFF;
  --accent:#C8F24E;
  --accent-deep:#A8D62F;
  --clay:#E2603C;
  --radius-card:16px;
  --radius-img:20px;
  --radius-input:12px;
  --shadow-hover:0 18px 40px rgba(16,18,20,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --shell:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-700);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;background-color:transparent}
a:hover{color:var(--ink-900)}
p{margin:0 0 1.2em}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:800;letter-spacing:-.02em}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none;padding:0}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{
  width:100%;
  max-width:var(--shell);
  margin:0 auto;
  padding:0 32px;
}
.num{font-family:"Inter","Space Grotesk",sans-serif;font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,246,242,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{
  background:var(--paper);
  box-shadow:0 10px 28px rgba(16,18,20,.07);
}
.brand-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:78px;
  transition:height .3s var(--ease);
}
.site-header.is-scrolled .brand-inner{height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;min-height:44px}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--ink-900);color:var(--accent);
  display:inline-flex;align-items:center;justify-content:center;
  font-family:"Inter",sans-serif;font-weight:800;font-size:19px;
  letter-spacing:-.04em;flex:0 0 auto;
}
.logo-text{font-size:18px;font-weight:800;color:var(--ink-900);letter-spacing:-.02em;white-space:nowrap}
.brand-actions{display:flex;align-items:center;gap:14px}
.search-box{
  position:relative;display:flex;align-items:center;
  height:44px;min-width:250px;
  border:1px solid var(--line);border-radius:999px;
  background:var(--paper-2);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box i{position:absolute;left:16px;color:var(--ink-300);font-size:14px}
.search-box input{
  width:100%;height:100%;border:0;background:transparent;
  padding:0 18px 0 40px;border-radius:999px;font-size:14px;
}
.search-box input::placeholder{color:var(--ink-300)}
.search-box input:focus{outline:none}
.search-box:focus-within{border-color:var(--ink-900);box-shadow:0 0 0 2px var(--accent)}
.support-link{font-size:14px;color:var(--ink-500);padding:12px 4px;transition:color .2s var(--ease)}
.support-link:hover{color:var(--ink-900)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1.5px solid transparent;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.btn i{transition:transform .24s var(--ease)}
.btn-primary{background:var(--accent);color:var(--ink-900)}
.btn-primary:hover{background:var(--accent-deep);color:var(--ink-900)}
.btn-primary:hover i{transform:translateX(4px)}
.btn-ghost{border-color:var(--ink-900);color:var(--ink-900);background:transparent}
.btn-ghost:hover{background:var(--ink-900);color:var(--paper)}
.btn-light{background:var(--paper);color:var(--ink-900)}
.btn-light:hover{background:var(--accent);color:var(--ink-900)}
.btn-sm{min-height:44px;padding:0 20px;font-size:14px}
.btn:active{transform:translateY(1px)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--paper-2);
  align-items:center;justify-content:center;color:var(--ink-900);font-size:17px;
}
.channel-row{border-top:1px solid var(--line);background:transparent}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.channels{display:flex;align-items:center;gap:32px;overflow-x:auto;scrollbar-width:none}
.channels::-webkit-scrollbar{display:none}
.channel{
  position:relative;display:inline-flex;align-items:center;
  height:56px;font-size:15px;color:var(--ink-500);white-space:nowrap;
  transition:color .2s var(--ease);
}
.channel::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--accent);transition:width .24s var(--ease);
}
.channel:hover{color:var(--ink-900)}
.channel:hover::after{width:100%}
.channel.active{color:var(--ink-900);font-weight:600}
.channel.active::after{width:100%}
.channel-all{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-500);
  padding-left:22px;border-left:1px solid var(--line);white-space:nowrap;
  transition:color .2s var(--ease);
}
.channel-all:hover{color:var(--ink-900)}
.channel-all i{font-size:11px;transition:transform .24s var(--ease)}
.channel-all:hover i{transform:translateX(3px)}
.mobile-drawer{
  position:fixed;inset:0;z-index:80;background:var(--paper);
  transform:translateY(-100%);transition:transform .24s var(--ease);
  display:none;flex-direction:column;padding:24px;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;background:var(--paper-2)}
.drawer-search{position:relative;margin-bottom:24px}
.drawer-search input{
  width:100%;height:52px;border:1px solid var(--line);border-radius:var(--radius-input);
  padding:0 18px;background:var(--paper-2);
}
.drawer-links{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:60px;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink-700);
}
.drawer-links a.is-active{color:var(--ink-900);font-weight:700}
.drawer-cta{margin-top:28px}

/* ---------- page frame ---------- */
.page-main{padding:48px 0 96px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-300);margin-bottom:26px}
.crumbs a{color:var(--ink-500);transition:color .2s var(--ease)}
.crumbs a:hover{color:var(--ink-900)}
.crumbs span.sep{color:var(--line)}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:56px;
  align-items:start;
}
.article-head{margin-bottom:34px}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;letter-spacing:.08em;font-weight:600;
  padding:5px 12px;border-radius:6px;
  background:var(--accent);color:var(--ink-900);
}
.tag-ink{background:var(--ink-900);color:var(--paper)}
.article-head h1{
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.2;
  margin:18px 0 20px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px;
  font-size:13.5px;color:var(--ink-500);
  padding-top:18px;border-top:1px solid var(--line);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--ink-300);font-size:13px}
.hero-figure{
  margin:0 0 40px;
  border-radius:var(--radius-img);
  overflow:hidden;
  background:#ECE9E3;
}
.hero-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  transition:transform .32s var(--ease);
}
.hero-figure figcaption{
  font-size:13px;color:var(--ink-300);
  padding:12px 4px 0;
}

/* ---------- article body ---------- */
.article-body{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:48px 52px;
  font-size:16.5px;
  line-height:1.9;
  color:var(--ink-700);
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  font-size:26px;
  line-height:1.3;
  margin:2.2em 0 .8em;
  padding-left:18px;
  position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;width:6px;height:1.05em;
  background:var(--accent);border-radius:3px;
}
.article-body h3{font-size:20px;margin:1.8em 0 .6em;font-weight:700}
.article-body a{color:var(--ink-900);border-bottom:1px solid var(--accent);transition:background .2s var(--ease)}
.article-body a:hover{background:rgba(200,242,78,.45)}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:4px}
.article-body li{position:relative;padding-left:22px;margin-bottom:.6em;line-height:1.8}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:7px;height:7px;border-radius:2px;background:var(--accent);
}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li}
.article-body ol li::before{
  content:counter(li);
  position:absolute;left:0;top:0;
  font-family:"Inter",sans-serif;font-weight:700;font-size:13px;color:var(--clay);
}
.article-body blockquote{
  margin:1.8em 0;
  padding:20px 24px;
  border-left:3px solid var(--accent);
  background:var(--paper);
  border-radius:0 12px 12px 0;
  color:var(--ink-700);
  font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:1.6em 0;width:100%;height:auto}
.article-body figure{margin:1.8em 0}
.article-body figcaption{font-size:13px;color:var(--ink-300);text-align:center;margin-top:10px}
.article-body table{
  margin:1.8em 0;font-size:15px;border:1px solid var(--line);
  border-radius:12px;overflow:hidden;
}
.article-body thead th{background:var(--paper);color:var(--ink-900);font-weight:700}
.article-body th,.article-body td{
  padding:14px 16px;border:1px solid var(--line);text-align:left;vertical-align:top;
}
.article-body tbody tr:nth-child(even){background:#FBFAF7}
.article-body code{
  background:var(--paper);border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;font-size:.92em;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}

/* ---------- sidebar ---------- */
.sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:110px}
.side-card{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
}
.side-card h3{
  font-size:15px;font-weight:700;margin-bottom:14px;
  padding-left:12px;position:relative;letter-spacing:.01em;
}
.side-card h3::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1em;
  background:var(--accent);border-radius:2px;
}
.side-links{display:flex;flex-direction:column}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:52px;border-bottom:1px solid var(--line);
  font-size:14.5px;color:var(--ink-700);
  transition:background .2s var(--ease),padding-left .2s var(--ease);
}
.side-links a:last-child{border-bottom:0}
.side-links a:hover{background:var(--paper);padding-left:8px;color:var(--ink-900)}
.side-links i{font-size:11px;color:var(--ink-300)}
.side-note{font-size:13.5px;color:var(--ink-500);line-height:1.75}
.side-card.dark{background:var(--ink-900);border-color:var(--ink-900);color:rgba(247,246,242,.72)}
.side-card.dark h3{color:var(--paper)}
.side-card.dark .btn{margin-top:16px;width:100%}

/* ---------- tags / pager / related ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px}
.chip{
  display:inline-flex;align-items:center;min-height:34px;padding:0 14px;
  border:1px solid var(--line);border-radius:999px;
  font-size:13px;color:var(--ink-500);background:var(--paper-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.chip:hover{border-color:var(--ink-700);color:var(--ink-900)}
.chip.is-active{background:var(--accent);border-color:var(--accent);color:var(--ink-900);font-weight:600}
.pager{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:56px;
}
.pager-card{
  display:block;background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:22px 24px;
  transition:transform .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease);
}
.pager-card:hover{transform:translateY(-4px);border-color:var(--ink-700);box-shadow:var(--shadow-hover)}
.pager-card .dir{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;color:var(--ink-300);margin-bottom:10px;
}
.pager-card strong{display:block;font-size:16.5px;color:var(--ink-900);font-weight:700;line-height:1.5}
.pager-card.next{text-align:right}
.pager-card.next .dir{justify-content:flex-end}
.block-title{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin:72px 0 26px;
}
.block-title h2{font-size:clamp(22px,2.6vw,30px);padding-left:16px;position:relative}
.block-title h2::before{
  content:"";position:absolute;left:0;top:.2em;width:6px;height:.9em;
  background:var(--accent);border-radius:3px;
}
.block-title .more{font-size:14px;color:var(--ink-500);display:inline-flex;align-items:center;gap:8px}
.block-title .more i{font-size:11px;transition:transform .24s var(--ease)}
.block-title .more:hover{color:var(--ink-900)}
.block-title .more:hover i{transform:translateX(4px)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;overflow:hidden;
  transition:transform .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:var(--ink-700);box-shadow:var(--shadow-hover)}
.card .thumb{
  margin:-24px -24px 20px;border-radius:0;overflow:hidden;background:#ECE9E3;
}
.card .thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .32s var(--ease)}
.card:hover .thumb img{transform:scale(1.04)}
.card h3{font-size:18px;line-height:1.45;margin:12px 0 10px}
.card p{font-size:14.5px;color:var(--ink-500);line-height:1.75;margin-bottom:18px}
.card .card-foot{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-300);
}
.card .card-foot .go{color:var(--ink-900);font-weight:600;display:inline-flex;align-items:center;gap:7px}
.card .card-foot .go i{font-size:11px;transition:transform .24s var(--ease)}
.card:hover .card-foot .go i{transform:translateX(4px)}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:80px;
  background:var(--accent);
  border-radius:24px;
  padding:64px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(24px,3vw,34px);line-height:1.25;margin-bottom:12px}
.cta-band p{margin:0;color:#3A4224;font-size:15.5px;max-width:560px}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.cta-actions .text-link{
  font-size:15px;font-weight:600;color:var(--ink-900);
  border-bottom:1px solid var(--ink-900);padding-bottom:2px;
}
.empty-state{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:72px 40px;text-align:center;
}
.empty-state h2{font-size:24px;margin-bottom:14px}
.empty-state p{color:var(--ink-500);max-width:460px;margin:0 auto 26px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(247,246,242,.72);padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:44px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand .logo-mark{background:var(--accent);color:var(--ink-900)}
.footer-brand .logo-text{color:var(--paper)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(247,246,242,.6);max-width:340px}
.footer-col h4{font-size:14px;color:var(--paper);margin-bottom:18px;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:rgba(247,246,242,.66);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(247,246,242,.66)}
.footer-contact i{color:var(--accent);font-size:13px;width:16px}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(247,246,242,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,246,242,.5);
}
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:48px;height:48px;border-radius:50%;
  background:var(--ink-900);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease);
  border:1px solid rgba(247,246,242,.16);
}
.to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:translateY(0)}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 28px}
  .article-layout{grid-template-columns:minmax(0,1fr) 268px;gap:40px}
  .article-body{padding:42px 40px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
  .footer-contact{grid-column:span 3}
}
@media (max-width:1023px){
  .search-box{display:none}
  .support-link{display:none}
  .menu-toggle{display:flex}
  .mobile-drawer{display:flex}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:static;order:2}
  .article-col{order:1}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{padding:48px 36px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .brand-inner{height:66px;gap:12px}
  .logo-text{font-size:16px}
  .brand-actions .btn-primary{display:none}
  .channels{gap:22px}
  .channel{height:50px;font-size:14px}
  .channel-all{display:none}
  .page-main{padding:32px 0 64px}
  .article-body{padding:28px 20px;font-size:16px}
  .article-body h2{font-size:22px}
  .article-meta{gap:10px 16px;font-size:13px}
  .pager{grid-template-columns:1fr}
  .pager-card.next{text-align:left}
  .pager-card.next .dir{justify-content:flex-start}
  .related-grid{grid-template-columns:1fr}
  .block-title{margin:56px 0 20px;flex-direction:column;align-items:flex-start;gap:10px}
  .cta-band{padding:40px 24px;border-radius:18px;margin-top:56px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-contact{grid-column:auto}
  .site-footer{padding:56px 0 24px}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:520px){
  .article-head h1{font-size:26px}
  .tag-row{gap:8px}
  .chip{font-size:12.5px;padding:0 12px}
}

/* roulang page: category1 */
:root{
  --ink-900:#0E1013;
  --ink-700:#22262B;
  --ink-500:#5A6068;
  --ink-300:#9AA0A6;
  --line:#E4E2DC;
  --paper:#F7F6F2;
  --paper-2:#FFFFFF;
  --accent:#C8F24E;
  --accent-deep:#A8D62F;
  --clay:#E2603C;
  --skeleton:#ECE9E3;
  --r-card:16px;
  --r-img:20px;
  --r-input:12px;
  --shadow-hover:0 18px 40px rgba(16,18,20,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --gutter:32px;
  --sec-y:112px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:140px}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-700);
  font-family:"Noto Sans SC","Inter",system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;background-color:transparent}
a:hover,a:focus{color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit;font-size:inherit;color:inherit}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
::selection{background:var(--accent);color:var(--ink-900)}
img{background:var(--skeleton)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter)}
.section{padding:var(--sec-y) 0}
.section--tight{padding:72px 0}
.section--paper2{background:var(--paper-2)}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;font-weight:600;
  color:var(--ink-500);text-transform:uppercase;
}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--accent)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
.sec-head h2{
  position:relative;
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.25;
  font-weight:900;
  letter-spacing:-.02em;
  color:var(--ink-900);
  padding-left:22px;
  max-width:660px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:6px;border-radius:3px;background:var(--accent);
}
.sec-head p{max-width:420px;color:var(--ink-500);font-size:15px;line-height:1.9}
.link-more{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;
  color:var(--ink-900);white-space:nowrap;position:relative;padding-bottom:2px;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent);
  transition:width .24s var(--ease);
}
.link-more:hover::after{width:100%}
.link-more i{transition:transform .24s var(--ease)}
.link-more:hover i{transform:translateX(4px)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:0 28px;border-radius:999px;
  font-weight:600;font-size:15px;line-height:1;cursor:pointer;
  border:1.5px solid transparent;background:transparent;
  transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.btn i{transition:transform .24s var(--ease)}
.btn:hover i{transform:translateX(4px)}
.btn-primary{background:var(--accent);color:var(--ink-900)}
.btn-primary:hover{background:var(--accent-deep)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border-color:var(--ink-900);color:var(--ink-900)}
.btn-ghost:hover{background:var(--ink-900);color:var(--paper)}
.btn-light{background:var(--paper);color:var(--ink-900)}
.btn-light:hover{background:var(--accent);color:var(--ink-900)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;pointer-events:none}

/* ============ 品牌行 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,242,.72);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background-color .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{
  background:var(--paper);
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px rgba(16,18,20,.06);
}
.brand-row{
  display:flex;align-items:center;gap:28px;
  height:84px;
  transition:height .3s var(--ease);
}
.site-header.is-scrolled .brand-row{height:66px}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{
  width:40px;height:40px;border-radius:12px;background:var(--ink-900);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-family:"Inter",sans-serif;font-weight:700;font-size:19px;letter-spacing:-.02em;
}
.logo-text{
  font-weight:900;font-size:18px;letter-spacing:-.02em;color:var(--ink-900);white-space:nowrap;
}
.header-search{
  flex:1 1 auto;max-width:420px;position:relative;display:flex;align-items:center;
  background:var(--paper-2);border:1px solid var(--line);border-radius:999px;
  height:46px;padding:0 6px 0 18px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.header-search:focus-within{border-color:var(--ink-900);box-shadow:0 0 0 3px rgba(200,242,78,.45)}
.header-search i{color:var(--ink-300);font-size:14px}
.header-search input{
  flex:1;border:0;background:transparent;height:44px;padding:0 12px;outline:none;font-size:14px;
  appearance:none;-webkit-appearance:none;
}
.header-search input::placeholder{color:var(--ink-300)}
.search-btn{
  height:34px;padding:0 16px;border-radius:999px;border:0;background:var(--ink-900);color:var(--paper);
  font-size:13px;font-weight:600;cursor:pointer;transition:background-color .24s var(--ease);
}
.search-btn:hover{background:var(--ink-700)}
.brand-actions{display:flex;align-items:center;gap:20px;margin-left:auto;flex:0 0 auto}
.text-link{
  font-size:14px;color:var(--ink-500);display:inline-flex;align-items:center;gap:8px;min-height:44px;
  transition:color .24s var(--ease);
}
.text-link:hover{color:var(--ink-900)}
.hamburger{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--paper-2);
  cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease)}
.hamburger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger.is-open span:nth-child(2){opacity:0}
.hamburger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ 频道行 ============ */
.channel-row{border-top:1px solid var(--line);background:rgba(255,255,255,.5)}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:56px}
.channels{display:flex;align-items:center;gap:34px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channels::-webkit-scrollbar{display:none}
.channel{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-500);white-space:nowrap;
  padding:16px 0;min-height:44px;display:inline-flex;align-items:center;
  transition:color .24s var(--ease);
}
.channel::after{
  content:"";position:absolute;left:0;bottom:8px;height:2px;width:0;background:var(--accent);
  transition:width .24s var(--ease);
}
.channel:hover{color:var(--ink-900)}
.channel:hover::after{width:100%}
.channel.active{color:var(--ink-900);font-weight:700}
.channel.active::after{width:100%}
.channel-all{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-500);
  padding-left:24px;border-left:1px solid var(--line);min-height:44px;white-space:nowrap;
  transition:color .24s var(--ease);
}
.channel-all:hover{color:var(--ink-900)}
.channel-all i{font-size:11px;transition:transform .24s var(--ease)}
.channel-all:hover i{transform:translateX(3px)}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--ink-900);color:var(--paper);
  padding:26px var(--gutter) 40px;display:flex;flex-direction:column;gap:28px;
  transform:translateX(100%);transition:transform .24s var(--ease);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.22);background:transparent;
  color:var(--paper);cursor:pointer;font-size:18px;
}
.drawer-search{
  display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);border-radius:var(--r-input);height:52px;padding:0 16px;
}
.drawer-search input{flex:1;background:transparent;border:0;outline:none;color:var(--paper);height:50px}
.drawer-search input::placeholder{color:rgba(247,246,242,.5)}
.drawer-search i{color:rgba(247,246,242,.6)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  padding:16px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:17px;font-weight:500;
  display:flex;align-items:center;justify-content:space-between;min-height:44px;
}
.drawer-nav a.is-active{color:var(--accent)}
.drawer-nav a i{font-size:12px;color:rgba(247,246,242,.4)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:14px;color:rgba(247,246,242,.6);font-size:13px}
.drawer-foot .btn{width:100%}

/* ============ 面包屑 ============ */
.breadcrumb-bar{background:var(--paper-2);border-bottom:1px solid var(--line)}
.breadcrumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:14px 0;font-size:13px;color:var(--ink-500);
}
.breadcrumb a{transition:color .24s var(--ease)}
.breadcrumb a:hover{color:var(--ink-900)}
.breadcrumb i{font-size:9px;color:var(--ink-300)}
.breadcrumb .current{color:var(--ink-900);font-weight:600}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:76px 0 84px;background:var(--paper-2)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero h1{
  font-size:clamp(34px,4.6vw,58px);
  line-height:1.1;font-weight:900;letter-spacing:-.02em;color:var(--ink-900);
  margin:20px 0 20px;
}
.hero h1 em{font-style:normal;position:relative;white-space:nowrap}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:.08em;height:.24em;background:var(--accent);z-index:-1;
}
.hero-lead{font-size:17px;color:var(--ink-500);max-width:520px;margin-bottom:12px}
.hero-facts{display:flex;flex-wrap:wrap;gap:22px;margin:26px 0 30px}
.hero-fact{display:inline-flex;align-items:center;gap:9px;font-size:14px;color:var(--ink-700)}
.hero-fact i{color:var(--ink-900);font-size:13px;width:22px;height:22px;border-radius:6px;background:var(--accent);display:inline-flex;align-items:center;justify-content:center}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-visual{position:relative}
.hero-visual__frame{
  border-radius:var(--r-img);overflow:hidden;aspect-ratio:4/3;background:var(--skeleton);
  border:1px solid var(--line);
}
.hero-visual__frame img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.hero-visual:hover .hero-visual__frame img{transform:scale(1.03)}
.float-card{
  position:absolute;left:-18px;bottom:26px;background:var(--ink-900);color:var(--paper);
  border-radius:14px;padding:16px 20px;min-width:186px;box-shadow:var(--shadow-hover);
}
.float-card strong{display:block;font-family:"Inter",sans-serif;font-size:30px;font-weight:700;line-height:1;color:var(--accent);font-variant-numeric:tabular-nums}
.float-card span{font-size:12.5px;color:rgba(247,246,242,.72);letter-spacing:.02em}
.float-badge{
  position:absolute;right:16px;top:16px;background:var(--paper);border-radius:999px;
  padding:7px 14px;font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--ink-900);
  border:1px solid var(--line);
}

/* ============ 步骤区（左筛选 + 右横排卡） ============ */
.steps-layout{display:flex;gap:48px;align-items:flex-start}
.filter-panel{
  flex:0 0 240px;position:sticky;top:150px;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;
}
.filter-group + .filter-group{margin-top:26px;padding-top:24px;border-top:1px solid var(--line)}
.filter-title{
  font-size:12px;letter-spacing:.08em;font-weight:700;color:var(--ink-500);
  text-transform:uppercase;margin-bottom:14px;
}
.check{
  display:flex;align-items:center;gap:10px;padding:9px 0;font-size:14.5px;color:var(--ink-700);
  cursor:pointer;min-height:44px;transition:color .2s var(--ease),transform .2s var(--ease);
}
.check:hover{color:var(--ink-900);transform:translateX(2px)}
.check input{
  appearance:none;-webkit-appearance:none;width:18px;height:18px;border-radius:5px;
  border:1.5px solid var(--line);background:var(--paper-2);position:relative;flex:0 0 auto;cursor:pointer;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.check input:checked{background:var(--accent);border-color:var(--accent)}
.check input:checked::after{
  content:"";position:absolute;left:5px;top:1px;width:5px;height:10px;
  border-right:2px solid var(--ink-900);border-bottom:2px solid var(--ink-900);transform:rotate(40deg);
}
.filter-note{
  margin-top:22px;font-size:13px;line-height:1.8;color:var(--ink-500);
  background:var(--paper);border-radius:12px;padding:14px 16px;
}
.steps-main{flex:1 1 auto;min-width:0}
.chips-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.chip{
  height:40px;padding:0 18px;border-radius:999px;border:1px solid var(--line);
  background:var(--paper-2);font-size:14px;color:var(--ink-500);cursor:pointer;
  display:inline-flex;align-items:center;gap:8px;
  transition:all .24s var(--ease);
}
.chip:hover{border-color:var(--ink-700);color:var(--ink-900)}
.chip.is-active{background:var(--ink-900);border-color:var(--ink-900);color:var(--paper);font-weight:600}
.chip.is-active i{color:var(--accent)}

.step-list{display:flex;flex-direction:column;gap:20px}
.step-card{
  display:flex;gap:24px;background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;
  transition:transform .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease);
}
.step-card:hover{transform:translateY(-4px);border-color:var(--ink-700);box-shadow:var(--shadow-hover)}
.step-card__media{
  flex:0 0 232px;aspect-ratio:4/3;border-radius:14px;overflow:hidden;background:var(--skeleton);
}
.step-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.step-card:hover .step-card__media img{transform:scale(1.04)}
.step-card__body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}
.step-card__head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.step-no{
  font-family:"Inter",sans-serif;font-size:12px;font-weight:700;letter-spacing:.08em;
  background:var(--ink-900);color:var(--accent);border-radius:6px;padding:4px 9px;line-height:1.3;
}
.step-card h3{
  font-size:20px;line-height:1.4;font-weight:700;letter-spacing:-.01em;color:var(--ink-900);
}
.step-card p{font-size:15px;color:var(--ink-500);margin-bottom:14px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.tag{
  font-size:12px;letter-spacing:.08em;border:1px solid var(--line);border-radius:999px;
  padding:4px 12px;color:var(--ink-500);
}
.tag--ink{background:var(--ink-900);border-color:var(--ink-900);color:var(--paper)}
.tag--accent{background:var(--accent);border-color:var(--accent);color:var(--ink-900);font-weight:600}

/* ============ 分页 ============ */
.pagination{display:flex;align-items:center;gap:8px;margin-top:36px;flex-wrap:wrap}
.page-link{
  min-width:44px;height:44px;padding:0 16px;border-radius:12px;border:1px solid var(--line);
  background:var(--paper-2);display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;color:var(--ink-500);font-variant-numeric:tabular-nums;
  transition:all .24s var(--ease);
}
.page-link:hover{border-color:var(--ink-700);color:var(--ink-900)}
.page-link.is-active{background:var(--accent);border-color:var(--accent);color:var(--ink-900);font-weight:700}
.pagination .page-info{margin-left:auto;font-size:13px;color:var(--ink-300)}

/* ============ 横向滚动场景 ============ */
.scroll-row{
  display:flex;gap:20px;overflow-x:auto;padding:6px var(--gutter) 22px;
  margin:0 calc(-1 * var(--gutter));
  scroll-snap-type:x mandatory;scrollbar-width:thin;
}
.scroll-row::-webkit-scrollbar{height:6px}
.scroll-row::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px}
.scene-card{
  flex:0 0 clamp(268px,30%,356px);scroll-snap-align:start;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;display:flex;flex-direction:column;gap:14px;
  transition:transform .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);border-color:var(--ink-700);box-shadow:var(--shadow-hover)}
.scene-card__media{aspect-ratio:16/10;border-radius:14px;overflow:hidden;background:var(--skeleton)}
.scene-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.scene-card:hover .scene-card__media img{transform:scale(1.04)}
.scene-card h3{font-size:19px;font-weight:700;color:var(--ink-900);line-height:1.4}
.scene-card p{font-size:14.5px;color:var(--ink-500);flex:1 1 auto}

/* ============ 数据条 ============ */
.stat-band{
  position:relative;background:var(--ink-900);color:var(--paper);overflow:hidden;
}
.stat-band::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-3.webp) center/cover no-repeat;
  opacity:.16;
}
.stat-band .container{position:relative;z-index:1}
.stat-grid{padding:72px 0}
.stat{padding-top:18px;border-top:2px solid var(--accent)}
.stat-num{
  font-family:"Inter",sans-serif;font-size:clamp(40px,5vw,60px);font-weight:700;line-height:1;
  color:var(--accent);letter-spacing:-.03em;font-variant-numeric:tabular-nums;
}
.stat p{margin-top:12px;font-size:14.5px;color:rgba(247,246,242,.72);max-width:220px}

/* ============ 卡点速查列表 ============ */
.list-rows{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.list-rows li + li{border-top:1px solid var(--line)}
.row-item{
  display:flex;align-items:center;gap:18px;padding:20px 24px;min-height:72px;
  transition:background-color .24s var(--ease),transform .24s var(--ease);
}
.row-item:hover{background:var(--paper);transform:translateX(2px)}
.row-icon{
  flex:0 0 40px;height:40px;border-radius:12px;background:var(--paper);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--ink-900);
}
.row-item.is-alert .row-icon{background:#FBEDE8;border-color:#F3D3C7;color:var(--clay)}
.row-body{flex:1 1 auto;min-width:0}
.row-body strong{display:block;font-size:16px;font-weight:700;color:var(--ink-900)}
.row-body span{font-size:14px;color:var(--ink-500)}
.row-item .link-more{font-size:14px}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
  border:1px solid var(--line);border-radius:12px;background:var(--paper-2);overflow:hidden;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item.is-open{border-color:var(--ink-700);box-shadow:var(--shadow-hover)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;text-align:left;
  background:transparent;border:0;cursor:pointer;padding:20px 22px;min-height:64px;
  font-size:17px;font-weight:500;color:var(--ink-900);
}
.faq-item.is-open .faq-q{font-weight:700}
.faq-q::before{
  content:"";width:3px;align-self:stretch;border-radius:3px;background:var(--line);
  transition:background-color .24s var(--ease);flex:0 0 3px;
}
.faq-item.is-open .faq-q::before{background:var(--accent)}
.faq-q span{flex:1 1 auto}
.faq-plus{
  flex:0 0 auto;width:26px;height:26px;position:relative;color:var(--ink-500);
  transition:transform .3s var(--ease),color .3s var(--ease);
}
.faq-plus i{font-size:15px}
.faq-item.is-open .faq-plus{transform:rotate(45deg);color:var(--ink-900)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .34s var(--ease);
}
.faq-a p{padding:0 22px 22px 41px;font-size:15px;line-height:1.85;color:var(--ink-500)}

/* ============ CTA ============ */
.cta-band{background:var(--accent);color:var(--ink-900);border-radius:0}
.cta-inner{padding:88px 0;text-align:center;max-width:760px;margin:0 auto}
.cta-inner h2{
  font-size:clamp(26px,3.4vw,40px);line-height:1.25;font-weight:900;letter-spacing:-.02em;
  color:var(--ink-900);margin-bottom:16px;
}
.cta-inner p{font-size:16px;color:rgba(14,16,19,.72);margin-bottom:30px}
.cta-actions{display:flex;justify-content:center;align-items:center;gap:22px;flex-wrap:wrap}
.cta-band .btn-primary{background:var(--ink-900);color:var(--paper)}
.cta-band .btn-primary:hover{background:var(--ink-700)}
.cta-band .link-more{color:var(--ink-900)}
.cta-band .link-more::after{background:var(--ink-900)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:var(--paper);padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:48px}
.footer-brand .logo-mark{background:var(--accent);color:var(--ink-900)}
.footer-brand .logo-text{color:var(--paper)}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(247,246,242,.62);max-width:340px}
.footer-col h4{
  font-size:12px;letter-spacing:.08em;text-transform:uppercase;font-weight:700;
  color:rgba(247,246,242,.5);margin-bottom:18px;
}
.footer-col ul li + li{margin-top:4px}
.footer-col a{
  display:inline-flex;align-items:center;min-height:40px;font-size:14.5px;
  color:rgba(247,246,242,.78);transition:color .24s var(--ease),transform .24s var(--ease);
}
.footer-col a:hover{color:var(--accent);transform:translateX(2px)}
.footer-contact li{display:flex;align-items:center;gap:10px;min-height:40px;font-size:14.5px;color:rgba(247,246,242,.78)}
.footer-contact i{color:var(--accent);font-size:14px;width:18px}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(247,246,242,.14);
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,246,242,.5);
}
.to-top{
  position:fixed;right:24px;bottom:26px;z-index:70;
  width:48px;height:48px;border-radius:999px;border:0;cursor:pointer;
  background:var(--ink-900);color:var(--accent);display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),background-color .24s var(--ease);
  box-shadow:0 12px 28px rgba(16,18,20,.24);
}
.to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{background:var(--ink-700)}

/* ============ 入场动画 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sec-y:96px}
  .hero-grid{gap:48px}
}
@media (max-width:1023px){
  :root{--sec-y:72px;--gutter:24px}
  .header-search{display:none}
  .brand-actions .text-link{display:none}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{margin-top:16px}
  .steps-layout{flex-direction:column;gap:28px}
  .filter-panel{position:static;flex:1 1 auto;width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .stat-grid{padding:56px 0}
  .cta-inner{padding:64px 0}
}
@media (max-width:767px){
  :root{--sec-y:56px;--gutter:20px}
  .brand-row{height:68px}
  .site-header.is-scrolled .brand-row{height:60px}
  .logo-text{font-size:16px}
  .brand-actions .btn-primary{display:none}
  .hamburger{display:inline-flex}
  .channel-inner{height:auto;padding:0;position:relative}
  .channels{
    gap:20px;padding:10px var(--gutter);
    margin:0 calc(-1 * var(--gutter));
    background:linear-gradient(90deg,rgba(247,246,242,1),rgba(247,246,242,0) 24px,var(--paper) 24px);
  }
  .channel{padding:8px 0;font-size:14px}
  .channel::after{bottom:0}
  .channel-all{padding-left:16px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:30px}
  .sec-head h2{font-size:26px;padding-left:16px}
  .hero{padding:44px 0 56px}
  .float-card{left:0;bottom:14px;padding:12px 16px;min-width:0}
  .float-card strong{font-size:24px}
  .step-card{flex-direction:column;gap:16px}
  .step-card__media{flex:0 0 auto;width:100%;aspect-ratio:16/10}
  .step-card h3{font-size:18px}
  .row-item{flex-wrap:wrap;gap:12px;padding:18px}
  .row-item .link-more{width:100%}
  .pagination .page-info{display:none}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:10px}
  .cta-inner{padding:56px 0}
  .to-top{right:16px;bottom:16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --ink-900:#0E1013;
  --ink-700:#22262B;
  --ink-500:#5A6068;
  --ink-300:#9AA0A6;
  --line:#E4E2DC;
  --paper:#F7F6F2;
  --paper-2:#FFFFFF;
  --accent:#C8F24E;
  --accent-deep:#A8D62F;
  --clay:#E2603C;
  --radius-card:16px;
  --radius-img:20px;
  --radius-input:12px;
  --shadow-hover:0 18px 40px rgba(16,18,20,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --container:1200px;
}

/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-700);
  font-family:'Inter','Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink-900);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--ink-900);}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
::selection{background:var(--accent);color:var(--ink-900);}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.num,.stat-num{font-variant-numeric:tabular-nums;}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:0 28px;border-radius:999px;
  font-weight:600;font-size:15px;line-height:1;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.btn i{transition:transform .24s var(--ease);}
.btn-primary{background:var(--accent);color:var(--ink-900);}
.btn-primary:hover{background:var(--accent-deep);color:var(--ink-900);}
.btn-primary:hover i.fa-arrow-right{transform:translateX(4px);}
.btn-ghost{background:transparent;color:var(--ink-900);border-color:var(--ink-900);}
.btn-ghost:hover{background:var(--ink-900);color:var(--paper);}
.btn-ghost:hover i.fa-arrow-right{transform:translateX(4px);}
.btn-ghost-light{background:transparent;color:var(--paper);border-color:rgba(247,246,242,.5);}
.btn-ghost-light:hover{background:var(--paper);color:var(--ink-900);border-color:var(--paper);}
.btn:active{transform:translateY(1px);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;}
.btn-sm{min-height:44px;padding:0 22px;font-size:14px;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.08em;line-height:1;
  padding:7px 12px;border-radius:6px;
  border:1px solid var(--line);color:var(--ink-500);background:var(--paper-2);
}
.badge-ink{background:var(--ink-900);color:var(--paper);border-color:var(--ink-900);}
.badge-accent{background:var(--accent);color:var(--ink-900);border-color:var(--accent);}

.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--ink-900);
  min-height:44px;
}
.text-link i{transition:transform .24s var(--ease);font-size:12px;}
.text-link:hover i{transform:translateX(4px);}
.text-link::after{display:none;}

.h2-bar{position:relative;padding-left:22px;line-height:1.25;}
.h2-bar::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:5px;height:28px;border-radius:3px;background:var(--accent);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;color:var(--ink-500);
  text-transform:uppercase;font-weight:600;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);}

.section{padding:100px 0;}
.section-tight{padding:64px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:28px;margin-bottom:44px;flex-wrap:wrap;
}
.section-head h2{font-size:clamp(26px,3.4vw,40px);font-weight:900;letter-spacing:-.02em;color:var(--ink-900);}
.section-head p{color:var(--ink-500);font-size:15px;max-width:560px;margin-top:10px;}
.hairline{height:1px;background:var(--line);border:0;margin:0;}

/* ============ 顶部 header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,246,242,.88);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:background-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{background:rgba(247,246,242,.98);box-shadow:0 10px 30px rgba(16,18,20,.07);}
.brandbar-inner{
  display:flex;align-items:center;gap:24px;
  min-height:76px;
  transition:min-height .3s var(--ease);
}
.site-header.is-scrolled .brandbar-inner{min-height:64px;}
.logo{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--accent);
  color:var(--ink-900);font-weight:900;font-size:19px;
  display:inline-flex;align-items:center;justify-content:center;
  letter-spacing:-.02em;
}
.logo-text{font-weight:900;font-size:18px;letter-spacing:-.02em;color:var(--ink-900);white-space:nowrap;}
.brand-search{
  flex:1 1 auto;max-width:400px;position:relative;
}
.brand-search i{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  color:var(--ink-300);font-size:14px;pointer-events:none;
}
.brand-search input{
  width:100%;height:44px;border-radius:999px;
  border:1px solid var(--line);background:var(--paper-2);
  padding:0 18px 0 42px;font-size:14px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.brand-search input::placeholder{color:var(--ink-300);}
.brand-search input:focus{
  outline:none;border-color:var(--ink-900);
  box-shadow:0 0 0 3px rgba(200,242,78,.55);
}
.brand-actions{display:flex;align-items:center;gap:18px;margin-left:auto;}
.brand-actions .text-link{font-size:14px;color:var(--ink-500);}
.brand-actions .text-link:hover{color:var(--ink-900);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--paper-2);
  font-size:17px;color:var(--ink-900);
  align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--ink-700);}

/* 频道行 */
.channel-row{
  border-top:1px solid var(--line);
  background:rgba(255,255,255,.6);
}
.channel-inner{
  display:flex;align-items:center;gap:24px;
  min-height:54px;
  transition:min-height .3s var(--ease);
}
.site-header.is-scrolled .channel-inner{min-height:48px;}
.channels{display:flex;align-items:center;gap:32px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none;}
.channels::-webkit-scrollbar{display:none;}
.channel{
  position:relative;display:inline-flex;align-items:center;
  min-height:44px;font-size:15px;font-weight:500;color:var(--ink-500);
  white-space:nowrap;
}
.channel::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.channel:hover{color:var(--ink-900);}
.channel:hover::after{transform:scaleX(1);}
.channel.active{color:var(--ink-900);font-weight:700;}
.channel.active::after{transform:scaleX(1);}
.channel-all{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--ink-500);
  padding-left:24px;border-left:1px solid var(--line);min-height:44px;
  white-space:nowrap;
}
.channel-all:hover{color:var(--ink-900);}
.channel-all i{font-size:11px;}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:var(--paper);
  transform:translateX(100%);
  transition:transform .24s var(--ease);
  display:flex;flex-direction:column;
  padding:20px 20px 32px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--paper-2);display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;
}
.drawer-search{position:relative;margin-bottom:26px;}
.drawer-search i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--ink-300);font-size:14px;}
.drawer-search input{
  width:100%;height:52px;border-radius:var(--radius-input);
  border:1px solid var(--line);background:var(--paper-2);
  padding:0 18px 0 42px;font-size:15px;
}
.drawer-search input:focus{outline:none;border-color:var(--ink-900);box-shadow:0 0 0 3px rgba(200,242,78,.55);}
.drawer-label{font-size:12px;letter-spacing:.14em;color:var(--ink-300);font-weight:600;margin-bottom:12px;text-transform:uppercase;}
.drawer-nav{display:flex;flex-direction:column;margin-bottom:26px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;font-size:17px;font-weight:500;
  border-bottom:1px solid var(--line);color:var(--ink-700);
}
.drawer-nav a i{font-size:12px;color:var(--ink-300);}
.drawer-nav a.active{color:var(--ink-900);font-weight:700;}
.drawer-nav a.active i{color:var(--ink-900);}
.drawer .btn{width:100%;}
.drawer-foot{margin-top:auto;padding-top:28px;color:var(--ink-300);font-size:13px;line-height:1.8;}
body.drawer-open{overflow:hidden;}

/* ============ Banner ============ */
.cat-banner{position:relative;overflow:hidden;background:var(--ink-900);}
.cat-banner-media{position:absolute;inset:0;}
.cat-banner-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/6;opacity:.5;}
.cat-banner-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,16,19,.94) 0%,rgba(14,16,19,.78) 48%,rgba(14,16,19,.36) 100%);
}
.cat-banner-inner{
  position:relative;z-index:2;
  padding:96px 0 84px;
  max-width:760px;
}
.breadcrumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,246,242,.62);margin-bottom:26px;
}
.breadcrumb a{color:rgba(247,246,242,.62);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb i{font-size:10px;color:rgba(247,246,242,.4);}
.cat-banner h1{
  font-size:clamp(32px,4.6vw,56px);
  line-height:1.12;font-weight:900;letter-spacing:-.02em;
  color:var(--paper);margin-bottom:20px;
}
.cat-banner h1 em{font-style:normal;color:var(--accent);}
.cat-banner .lede{
  font-size:17px;line-height:1.8;color:rgba(247,246,242,.76);max-width:560px;
  margin-bottom:34px;
}
.cat-banner-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 筛选 chips ============ */
.filter-row{
  display:flex;align-items:center;gap:12px;
  overflow-x:auto;scrollbar-width:none;
  padding:22px 0;
}
.filter-row::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:999px;
  border:1px solid var(--line);background:var(--paper-2);
  font-size:14px;font-weight:500;color:var(--ink-500);white-space:nowrap;
  transition:border-color .24s var(--ease),color .24s var(--ease),background-color .24s var(--ease);
}
.chip:hover{border-color:var(--ink-700);color:var(--ink-900);}
.chip.active{background:var(--ink-900);border-color:var(--ink-900);color:var(--paper);font-weight:600;}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}

/* ============ 卡片网格 ============ */
.setup-grid{margin-left:-14px;margin-right:-14px;}
.setup-grid > .cell{padding-left:14px;padding-right:14px;margin-bottom:28px;}
.setup-card{
  height:100%;display:flex;flex-direction:column;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:transform .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease);
}
.setup-card:hover{transform:translateY(-4px);border-color:var(--ink-700);box-shadow:var(--shadow-hover);}
.setup-card-media{
  position:relative;background:#ECE9E3;overflow:hidden;
}
.setup-card-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  transition:transform .32s var(--ease);
}
.setup-card:hover .setup-card-media img{transform:scale(1.04);}
.setup-card-media .badge{
  position:absolute;left:16px;top:16px;
  background:var(--paper-2);border-color:var(--paper-2);color:var(--ink-900);
  letter-spacing:.08em;
}
.setup-card-body{
  padding:24px;display:flex;flex-direction:column;flex:1 1 auto;
}
.setup-card-body h3{
  font-size:20px;font-weight:700;line-height:1.4;color:var(--ink-900);
  margin-bottom:10px;letter-spacing:-.01em;
}
.setup-card-body p{
  font-size:15px;line-height:1.85;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.setup-card-foot{
  margin-top:auto;padding-top:18px;margin-top:20px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.setup-card-foot .meta{font-size:13px;color:var(--ink-300);letter-spacing:.02em;}

/* 分页 */
.pager{
  display:flex;align-items:center;justify-content:center;gap:10px;
  margin-top:20px;flex-wrap:wrap;
}
.pager a,.pager span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:44px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--paper-2);
  font-size:14px;font-weight:600;color:var(--ink-500);
  transition:border-color .24s var(--ease),color .24s var(--ease),background-color .24s var(--ease);
}
.pager a:hover{border-color:var(--ink-700);color:var(--ink-900);}
.pager .pager-num.active{background:var(--accent);border-color:var(--accent);color:var(--ink-900);}
.pager .is-disabled{opacity:.42;pointer-events:none;}

/* ============ 深色数据条 ============ */
.section-dark{background:var(--ink-900);color:var(--paper);}
.section-dark h2{color:var(--paper);}
.section-dark .eyebrow{color:rgba(247,246,242,.55);}
.section-dark .eyebrow::before{background:var(--accent);}
.stat-row{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid rgba(247,246,242,.14);}
.stat{
  flex:1 1 220px;padding:36px 32px 36px 0;
  border-right:1px solid rgba(247,246,242,.14);
}
.stat:last-child{border-right:0;}
.stat-num{
  font-size:clamp(40px,5vw,64px);font-weight:900;line-height:1;letter-spacing:-.03em;
  color:var(--accent);display:block;margin-bottom:14px;
}
.stat-num small{font-size:18px;font-weight:700;color:var(--accent);margin-left:6px;letter-spacing:0;}
.stat h3{font-size:16px;font-weight:700;color:var(--paper);margin-bottom:8px;}
.stat p{font-size:14px;line-height:1.8;color:rgba(247,246,242,.6);}

/* ============ 步骤 ============ */
.steps{border-top:1px solid var(--line);}
.step{
  display:flex;gap:32px;align-items:flex-start;
  padding:34px 0;border-bottom:1px solid var(--line);
  transition:background-color .24s var(--ease),padding-left .24s var(--ease);
}
.step:hover{background:var(--paper-2);padding-left:16px;}
.step-idx{
  flex:0 0 auto;font-size:14px;font-weight:700;letter-spacing:.08em;
  color:var(--ink-300);padding-top:6px;min-width:52px;
}
.step-body h3{font-size:22px;font-weight:700;color:var(--ink-900);margin-bottom:10px;letter-spacing:-.01em;}
.step-body p{font-size:15.5px;color:var(--ink-500);max-width:760px;}

/* ============ 双栏错位 ============ */
.split{
  display:flex;align-items:center;gap:64px;
}
.split-media{
  flex:1 1 0;border-radius:var(--radius-img);overflow:hidden;background:#ECE9E3;
}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.split-body{flex:1 1 0;}
.split-body h2{font-size:clamp(26px,3.4vw,40px);font-weight:900;letter-spacing:-.02em;color:var(--ink-900);margin-bottom:20px;line-height:1.25;}
.split-body p{font-size:16px;color:var(--ink-500);margin-bottom:16px;}
.check-list{margin:24px 0 28px;}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:14px 0;border-bottom:1px solid var(--line);font-size:15.5px;color:var(--ink-700);
}
.check-list li i{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  background:var(--accent);color:var(--ink-900);font-size:11px;
  display:inline-flex;align-items:center;justify-content:center;margin-top:4px;
}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px;}
.faq-item{
  border:1px solid var(--line);border-radius:12px;background:var(--paper-2);
  overflow:hidden;position:relative;
  transition:border-color .24s var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--accent);transform:scaleY(0);transform-origin:top;
  transition:transform .24s var(--ease);
}
.faq-item.is-open::before{transform:scaleY(1);}
.faq-item:hover{border-color:var(--ink-300);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 24px;text-align:left;
  font-size:17px;font-weight:500;color:var(--ink-900);
  transition:color .24s var(--ease);
}
.faq-q .faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
  font-size:11px;color:var(--ink-500);
  transition:transform .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--accent);border-color:var(--accent);color:var(--ink-900);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .32s var(--ease);
}
.faq-item.is-open .faq-a{max-height:340px;}
.faq-a p{
  padding:0 24px 24px;font-size:15px;line-height:1.85;color:var(--ink-500);max-width:780px;
}

/* ============ CTA ============ */
.cta-band{
  background:var(--accent);color:var(--ink-900);
  padding:88px 0;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:48px;flex-wrap:wrap;
}
.cta-copy h2{font-size:clamp(26px,3.4vw,40px);font-weight:900;letter-spacing:-.02em;line-height:1.2;margin-bottom:14px;}
.cta-copy p{font-size:16px;color:rgba(14,16,19,.72);max-width:560px;}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.cta-actions .btn-dark{background:var(--ink-900);color:var(--paper);}
.cta-actions .btn-dark:hover{background:#000;color:var(--paper);}
.cta-actions .link-dark{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;
  font-size:15px;font-weight:600;color:var(--ink-900);
  border-bottom:1.5px solid rgba(14,16,19,.35);padding-bottom:2px;
}
.cta-actions .link-dark:hover{border-color:var(--ink-900);}
.cta-actions .link-dark i{font-size:12px;transition:transform .24s var(--ease);}
.cta-actions .link-dark:hover i{transform:translateX(4px);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:rgba(247,246,242,.72);padding:80px 0 32px;}
.footer-grid{
  display:flex;flex-wrap:wrap;gap:48px;
  padding-bottom:48px;border-bottom:1px solid rgba(247,246,242,.14);
}
.footer-brand{flex:1 1 320px;max-width:420px;}
.footer-brand .logo{margin-bottom:20px;}
.footer-brand .logo-text{color:var(--paper);}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(247,246,242,.58);}
.footer-col{flex:1 1 160px;}
.footer-col h4{
  font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--paper);margin-bottom:20px;text-transform:uppercase;
}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul a{
  font-size:14px;color:rgba(247,246,242,.62);
  display:inline-flex;align-items:center;min-height:28px;
  transition:color .24s var(--ease),transform .24s var(--ease);
}
.footer-col ul a:hover{color:var(--accent);}
.footer-contact li{
  display:flex;align-items:center;gap:10px;font-size:14px;
  color:rgba(247,246,242,.62);margin-bottom:14px;
}
.footer-contact li i{color:var(--accent);font-size:13px;width:16px;text-align:center;}
.footer-bottom{
  padding-top:26px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,246,242,.44);line-height:1.8;
}

/* 回到顶部 */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:48px;height:48px;border-radius:50%;
  background:var(--ink-900);color:var(--paper);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s var(--ease),background-color .24s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--accent);color:var(--ink-900);}

/* ============ 入场动画 ============ */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.js .reveal.is-in{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .js .reveal{opacity:1;transform:none;transition:none;}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  .split{gap:44px;}
}
@media screen and (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:76px 0;}
  .brand-search{display:none;}
  .brand-actions .text-link{display:none;}
  .nav-toggle{display:inline-flex;}
  .cat-banner-inner{padding:72px 0 64px;}
  .split{flex-direction:column;gap:32px;}
  .split-media,.split-body{flex:1 1 auto;width:100%;}
  .cta-band{padding:72px 0;}
  .footer-grid{gap:36px;}
}
@media screen and (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:30px;}
  body{font-size:15.5px;}
  .logo-text{font-size:16px;}
  .channel-row{background:var(--paper);}
  .channel-inner{min-height:50px;gap:16px;}
  .channels{gap:20px;padding-right:16px;
    -webkit-mask-image:linear-gradient(90deg,#000 88%,transparent 100%);
    mask-image:linear-gradient(90deg,#000 88%,transparent 100%);
  }
  .channel-all{display:none;}
  .cat-banner-media img{aspect-ratio:4/3;}
  .cat-banner-inner{padding:56px 0 52px;}
  .cat-banner .lede{font-size:15.5px;margin-bottom:26px;}
  .cat-banner-actions .btn{width:100%;}
  .filter-row{padding:18px 0;}
  .setup-grid{margin-left:-10px;margin-right:-10px;}
  .setup-grid > .cell{padding-left:10px;padding-right:10px;margin-bottom:20px;}
  .setup-card-body{padding:20px;}
  .stat{flex:1 1 100%;border-right:0;border-bottom:1px solid rgba(247,246,242,.14);padding:26px 0;}
  .stat:last-child{border-bottom:0;}
  .step{flex-direction:column;gap:12px;padding:26px 0;}
  .step:hover{padding-left:0;}
  .faq-q{padding:18px 20px;font-size:16px;}
  .faq-a p{padding:0 20px 20px;}
  .cta-band{padding:56px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .cta-actions .link-dark{width:100%;justify-content:center;}
  .footer-grid{padding-bottom:36px;}
  .to-top{right:16px;bottom:16px;width:44px;height:44px;}
}
@media screen and (max-width:519px){
  .cat-banner h1{font-size:30px;}
  .footer-bottom{flex-direction:column;gap:10px;}
}

/* roulang page: category3 */
:root{
  --ink-900:#0E1013;
  --ink-700:#22262B;
  --ink-500:#5A6068;
  --ink-300:#9AA0A6;
  --line:#E4E2DC;
  --paper:#F7F6F2;
  --paper-2:#FFFFFF;
  --accent:#C8F24E;
  --accent-deep:#A8D62F;
  --clay:#E2603C;
  --radius-card:16px;
  --radius-img:20px;
  --radius-input:12px;
  --shadow-hover:0 18px 40px rgba(16,18,20,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --container:1200px;
  --nav-h:68px;
}

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

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink-700);
  font-family:"Noto Sans SC","Inter","Space Grotesk","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;color:var(--ink-700);font-weight:800;letter-spacing:-.02em;line-height:1.25;}
p{margin:0;}
strong{font-weight:700;color:var(--ink-900);}
table{border-collapse:collapse;width:100%;}

a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:6px;
}

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

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:900;
  background:rgba(247,246,242,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.site-header.scrolled{
  background:var(--paper);
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px rgba(16,18,20,.06);
}

.brand-row{transition:padding .3s var(--ease);}
.brand-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:var(--nav-h);
  padding-top:12px;
  padding-bottom:12px;
}
.site-header.scrolled .brand-inner{padding-top:8px;padding-bottom:8px;}

.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--ink-900);
  color:var(--accent);
  display:grid;place-items:center;
  font-family:"Space Grotesk","Inter",sans-serif;
  font-weight:700;font-size:19px;line-height:1;
  letter-spacing:-.03em;
}
.logo-text{
  font-weight:900;
  font-size:18px;
  letter-spacing:-.02em;
  color:var(--ink-900);
  white-space:nowrap;
}

.brand-search{
  flex:1 1 auto;
  max-width:340px;
  position:relative;
  display:flex;
  align-items:center;
}
.brand-search i{
  position:absolute;left:16px;color:var(--ink-300);font-size:14px;pointer-events:none;
}
.brand-search input{
  width:100%;
  height:46px;
  padding:0 16px 0 40px;
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  background:var(--paper-2);
  font-size:15px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.brand-search input::placeholder{color:var(--ink-300);}
.brand-search input:focus{
  outline:none;
  border-color:var(--ink-900);
  box-shadow:0 0 0 2px var(--accent);
}

.brand-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:20px;
  flex:0 0 auto;
}
.text-link{
  font-size:15px;
  color:var(--ink-500);
  position:relative;
  padding:6px 2px;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s var(--ease);
}
.text-link:hover{color:var(--ink-900);}
.text-link:hover::after{transform:scaleX(1);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 28px;
  border:1.5px solid transparent;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.btn i{transition:transform .24s var(--ease);font-size:13px;}
.btn:hover i{transform:translateX(4px);}
.btn-primary{background:var(--accent);color:var(--ink-900);}
.btn-primary:hover{background:var(--accent-deep);color:var(--ink-900);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--ink-900);border-color:var(--ink-900);}
.btn-ghost:hover{background:var(--ink-900);color:var(--paper);}
.btn-dark{background:var(--ink-900);color:var(--paper);}
.btn-dark:hover{background:var(--ink-700);color:var(--paper);}
.btn-light{background:var(--paper);color:var(--ink-900);}
.btn-light:hover{background:#fff;color:var(--ink-900);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--paper-2);
  color:var(--ink-900);
  cursor:pointer;
}
.nav-search-icon{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--paper-2);
  color:var(--ink-900);
  cursor:pointer;
}

/* 频道行 */
.channel-row{
  border-top:1px solid rgba(228,226,220,.7);
  background:transparent;
}
.channel-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.channels{
  display:flex;
  align-items:center;
  gap:32px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channels::-webkit-scrollbar{display:none;}
.channel{
  position:relative;
  display:inline-block;
  padding:16px 0 15px;
  font-size:15px;
  color:var(--ink-500);
  white-space:nowrap;
}
.channel::after{
  content:"";position:absolute;left:0;bottom:10px;height:2px;width:100%;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s var(--ease);
}
.channel:hover{color:var(--ink-900);}
.channel:hover::after{transform:scaleX(1);}
.channel.active{color:var(--ink-900);font-weight:700;}
.channel.active::after{transform:scaleX(1);animation:slideIn .28s var(--ease);}
@keyframes slideIn{from{transform:scaleX(0);}to{transform:scaleX(1);}}

.channel-all{
  display:inline-flex;align-items:center;gap:8px;
  padding-left:24px;
  border-left:1px solid var(--line);
  font-size:14px;
  color:var(--ink-500);
  white-space:nowrap;
}
.channel-all:hover{color:var(--ink-900);}
.channel-all i{font-size:11px;}

/* 移动抽屉 */
.drawer{
  position:fixed;
  inset:0;
  z-index:1000;
  background:var(--paper);
  transform:translateX(100%);
  transition:transform .24s var(--ease);
  overflow-y:auto;
  padding:20px 20px 48px;
  display:none;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--paper-2);cursor:pointer;
}
.drawer .brand-search{max-width:none;width:100%;margin-bottom:24px;display:flex;}
.drawer-nav a{
  display:block;
  padding:16px 4px;
  border-bottom:1px solid var(--line);
  font-size:17px;
  font-weight:500;
  color:var(--ink-700);
}
.drawer-nav a.active{color:var(--ink-900);font-weight:700;}
.drawer-nav a.active::before{
  content:"";display:inline-block;width:8px;height:8px;border-radius:2px;
  background:var(--accent);margin-right:10px;vertical-align:middle;
}
.drawer-cta{margin-top:28px;width:100%;}
.drawer-foot{margin-top:32px;font-size:13px;color:var(--ink-300);line-height:1.9;}

/* ============ 面包屑 ============ */
.crumb-bar{
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.crumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:16px 0;
  font-size:13px;
  color:var(--ink-300);
  letter-spacing:.04em;
}
.crumb a{color:var(--ink-500);}
.crumb a:hover{color:var(--ink-900);}
.crumb i{font-size:9px;color:var(--ink-300);}
.crumb .current{color:var(--ink-900);font-weight:600;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  background:var(--ink-900);
  color:var(--paper);
  overflow:hidden;
}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  opacity:.30;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,16,19,.96) 0%,rgba(14,16,19,.78) 48%,rgba(14,16,19,.42) 100%);
}
.cat-hero-inner{
  position:relative;
  z-index:2;
  padding:88px 0 72px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border:1px solid rgba(200,242,78,.4);
  border-radius:6px;
  background:rgba(200,242,78,.10);
  color:var(--accent);
  font-size:12px;
  letter-spacing:.08em;
  margin-bottom:24px;
}
.cat-hero h1{
  color:var(--paper);
  font-size:clamp(34px,6vw,60px);
  font-weight:900;
  line-height:1.1;
  letter-spacing:-.02em;
  max-width:16em;
}
.cat-hero h1 em{
  font-style:normal;
  color:var(--accent);
}
.cat-lead{
  margin-top:22px;
  max-width:620px;
  font-size:17px;
  line-height:1.9;
  color:rgba(247,246,242,.78);
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:40px;
  margin-top:44px;
  padding-top:32px;
  border-top:1px solid rgba(247,246,242,.16);
}
.hero-stat b{
  display:block;
  font-family:"Space Grotesk","Inter",sans-serif;
  font-size:40px;
  line-height:1;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.hero-stat span{
  display:block;
  margin-top:8px;
  font-size:13px;
  color:rgba(247,246,242,.62);
  letter-spacing:.04em;
}

/* ============ 筛选 chips ============ */
.filter-bar{
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.filter-inner{
  display:flex;
  align-items:center;
  gap:16px;
  padding:18px 0;
  flex-wrap:wrap;
}
.filter-label{
  font-size:12px;
  letter-spacing:.08em;
  color:var(--ink-300);
  margin-right:4px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:40px;
  padding:0 18px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--paper-2);
  font-size:14px;
  color:var(--ink-500);
  cursor:pointer;
  transition:all .24s var(--ease);
}
.chip:hover{border-color:var(--ink-700);color:var(--ink-900);}
.chip.active{
  background:var(--ink-900);
  border-color:var(--ink-900);
  color:var(--paper);
  font-weight:600;
}
.chip.active i{color:var(--accent);}

/* ============ 通用板块 ============ */
.section{
  padding:96px 0;
}
.section--tight{padding:72px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:52px;
}
.section-title{
  position:relative;
  padding-left:22px;
  font-size:clamp(26px,3.4vw,38px);
  font-weight:900;
  letter-spacing:-.02em;
}
.section-title::before{
  content:"";
  position:absolute;left:0;top:8px;bottom:8px;width:8px;
  border-radius:4px;
  background:var(--accent);
}
.section-sub{
  margin-top:14px;
  padding-left:22px;
  font-size:15px;
  color:var(--ink-500);
  max-width:640px;
}
.section-more{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--ink-700);
  border-bottom:2px solid var(--accent);
  padding-bottom:4px;
  white-space:nowrap;
}
.section-more i{font-size:11px;transition:transform .24s var(--ease);}
.section-more:hover i{transform:translateX(4px);}

/* ============ 图文交错 ============ */
.zig{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:72px;
  align-items:center;
  padding:64px 0;
  border-top:1px solid var(--line);
}
.zig:first-of-type{border-top:none;padding-top:0;}
.zig.reverse .zig-media{order:2;}
.zig.reverse .zig-body{order:1;}
.zig-index{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:"Space Grotesk",sans-serif;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--ink-300);
  margin-bottom:18px;
  font-variant-numeric:tabular-nums;
}
.zig-index::after{
  content:"";width:44px;height:1px;background:var(--line);
}
.zig h3{
  font-size:clamp(22px,2.4vw,28px);
  line-height:1.35;
  font-weight:800;
  margin-bottom:20px;
}
.zig p{
  font-size:16px;
  color:var(--ink-500);
  line-height:1.9;
  margin-bottom:18px;
}
.zig p:last-of-type{margin-bottom:0;}
.zig p strong{color:var(--ink-900);font-weight:700;}
.zig-link{
  display:inline-flex;align-items:center;gap:10px;
  margin-top:26px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-900);
  border-bottom:2px solid var(--accent);
  padding-bottom:4px;
}
.zig-link i{font-size:11px;transition:transform .24s var(--ease);}
.zig-link:hover i{transform:translateX(4px);}
.zig-media{position:relative;}
.zig-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--radius-img);
  background:#ECE9E3;
  border:1px solid var(--line);
  transition:transform .32s var(--ease),box-shadow .32s var(--ease);
}
.zig-media:hover img{transform:scale(1.02);box-shadow:var(--shadow-hover);}
.zig-badge{
  position:absolute;
  left:20px;bottom:20px;
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;
  border-radius:999px;
  background:var(--paper-2);
  border:1px solid var(--line);
  font-size:13px;
  font-weight:600;
  color:var(--ink-900);
  box-shadow:0 10px 24px rgba(16,18,20,.10);
}
.zig-badge i{color:var(--accent-deep);font-size:12px;}

/* 排查清单 */
.check-list{
  margin-top:24px;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--paper-2);
  overflow:hidden;
}
.check-list li{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:16px 22px;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--ink-500);
  min-height:60px;
  transition:background-color .24s var(--ease),transform .24s var(--ease);
}
.check-list li:last-child{border-bottom:none;}
.check-list li:hover{background:var(--paper);transform:translateX(2px);}
.check-list i{
  margin-top:7px;
  color:var(--ink-900);
  font-size:12px;
  flex:0 0 auto;
}

/* ============ 阶段导航条 ============ */
.stage-strip{
  background:var(--ink-900);
  color:var(--paper);
  padding:56px 0;
}
.stage-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:rgba(247,246,242,.14);
  border-radius:var(--radius-card);
  overflow:hidden;
}
.stage-item{
  background:var(--ink-900);
  padding:30px 26px;
  transition:background-color .28s var(--ease);
}
.stage-item:hover{background:#161A1F;}
.stage-item b{
  display:block;
  font-family:"Space Grotesk",sans-serif;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--accent);
  margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.stage-item h4{
  color:var(--paper);
  font-size:18px;
  font-weight:700;
  margin-bottom:10px;
}
.stage-item p{
  font-size:14px;
  line-height:1.8;
  color:rgba(247,246,242,.62);
  margin:0;
}

/* ============ FAQ ============ */
.faq-wrap{
  max-width:900px;
  margin:0 auto;
}
.faq-item{
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--paper-2);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item:hover{border-color:#D6D3CB;}
.faq-item.open{
  border-color:var(--ink-700);
  box-shadow:var(--shadow-hover);
}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  width:100%;
  min-height:64px;
  padding:20px 24px;
  background:transparent;
  border:0;
  text-align:left;
  cursor:pointer;
  font-size:17px;
  font-weight:500;
  color:var(--ink-700);
  position:relative;
}
.faq-item.open .faq-q{color:var(--ink-900);font-weight:700;}
.faq-item.open .faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--accent);
  border-radius:0 3px 3px 0;
}
.faq-icon{
  flex:0 0 auto;
  width:30px;height:30px;
  border-radius:50%;
  border:1px solid var(--line);
  display:grid;place-items:center;
  color:var(--ink-900);
  font-size:12px;
  transition:transform .28s var(--ease),background-color .28s var(--ease),border-color .28s var(--ease);
}
.faq-item.open .faq-icon{
  transform:rotate(45deg);
  background:var(--accent);
  border-color:var(--accent);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .34s var(--ease);
}
.faq-a-inner{
  padding:0 24px 24px 24px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-500);
}
.faq-a-inner strong{color:var(--ink-900);}

/* ============ 分页 ============ */
.pager{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  margin-top:64px;
}
.pager a,.pager span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:44px;
  height:44px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--paper-2);
  font-size:14px;
  color:var(--ink-500);
  transition:all .24s var(--ease);
}
.pager a:hover{border-color:var(--ink-900);color:var(--ink-900);}
.pager .current{
  background:var(--accent);
  border-color:var(--accent);
  color:var(--ink-900);
  font-weight:700;
}
.pager .disabled{opacity:.4;pointer-events:none;}

/* ============ CTA ============ */
.cta-band{
  background:var(--accent);
  color:var(--ink-900);
  padding:88px 0;
}
.cta-inner{
  display:grid;
  grid-template-columns:1.3fr .7fr;
  gap:56px;
  align-items:center;
}
.cta-band h2{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.2;
  font-weight:900;
  letter-spacing:-.02em;
  color:var(--ink-900);
}
.cta-band p{
  margin-top:18px;
  font-size:16px;
  color:rgba(14,16,19,.72);
  max-width:560px;
}
.cta-actions{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:18px;
}
.cta-band .btn-dark{min-height:54px;padding:0 34px;font-size:16px;}
.cta-band .btn-dark:hover{background:#000;color:var(--paper);}
.cta-note{
  font-size:14px;
  color:rgba(14,16,19,.66);
  border-bottom:1px solid rgba(14,16,19,.35);
  padding-bottom:3px;
  transition:border-color .24s var(--ease);
}
.cta-note:hover{border-color:var(--ink-900);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-900);
  color:var(--paper);
  padding:80px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:48px;
  padding-bottom:56px;
  border-bottom:1px solid rgba(247,246,242,.14);
}
.footer-brand .logo{margin-bottom:20px;}
.footer-brand .logo-text{color:var(--paper);font-size:17px;}
.footer-brand .logo-mark{background:var(--accent);color:var(--ink-900);}
.footer-brand p{
  font-size:14px;
  line-height:1.9;
  color:rgba(247,246,242,.62);
  max-width:340px;
}
.footer-col h4{
  color:var(--paper);
  font-size:14px;
  letter-spacing:.08em;
  font-weight:700;
  margin-bottom:22px;
}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul a{
  font-size:14px;
  color:rgba(247,246,242,.62);
  transition:color .24s var(--ease),padding-left .24s var(--ease);
}
.footer-col ul a:hover{color:var(--accent);padding-left:4px;}
.footer-contact li{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:rgba(247,246,242,.62);
}
.footer-contact i{color:var(--accent);font-size:13px;width:16px;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  padding-top:28px;
  font-size:13px;
  color:rgba(247,246,242,.45);
}

.to-top{
  position:fixed;
  right:24px;bottom:24px;
  width:48px;height:48px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--paper-2);
  color:var(--ink-900);
  display:grid;place-items:center;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
  z-index:800;
  box-shadow:0 10px 24px rgba(16,18,20,.12);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--accent);border-color:var(--accent);}

/* ============ 入场动画 ============ */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
}
.reveal.is-visible{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
}
@media screen and (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .zig{grid-template-columns:1fr;gap:36px;padding:48px 0;}
  .zig.reverse .zig-media{order:0;}
  .zig.reverse .zig-body{order:1;}
  .zig-media img{aspect-ratio:16/9;}
  .cta-band{padding:64px 0;}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .stage-grid{grid-template-columns:1fr 1fr;}
  .site-footer{padding:64px 0 28px;}
  .cat-hero-inner{padding:64px 0 52px;}
}
@media screen and (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .brand-search{display:none;}
  .brand-actions .text-link{display:none;}
  .brand-actions .btn-primary{display:none;}
  .nav-toggle{display:grid;}
  .nav-search-icon{display:grid;}
  .drawer{display:block;}
  .brand-inner{gap:14px;justify-content:space-between;}
  .channels{gap:24px;}
  .channel-all{display:none;}
  .channel-row{position:relative;}
  .channel-row::after{
    content:"";position:absolute;right:0;top:0;bottom:0;width:36px;
    background:linear-gradient(90deg,rgba(247,246,242,0),var(--paper));
    pointer-events:none;
  }
  .section-head{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:36px;}
  .section-title{padding-left:16px;font-size:26px;}
  .section-title::before{width:6px;}
  .section-sub{padding-left:16px;font-size:14px;}
  .hero-stats{gap:28px;}
  .hero-stat b{font-size:32px;}
  .stage-grid{grid-template-columns:1fr;}
  .faq-q{font-size:16px;padding:18px 18px;}
  .faq-a-inner{padding:0 18px 20px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:36px;}
  .footer-brand p{max-width:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .to-top{right:16px;bottom:16px;}
  .pager{gap:8px;}
  .pager a,.pager span{min-width:42px;height:42px;padding:0 10px;font-size:13px;}
}
@media screen and (max-width:519px){
  .cat-hero h1{font-size:32px;}
  .cat-lead{font-size:15px;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .chips{flex-wrap:wrap;}
  .filter-inner{gap:10px;}
  .chip{font-size:13px;padding:0 14px;min-height:38px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}