/* roulang page: index */
:root{
  --c-primary:#FF5327;
  --c-primary-dark:#D93A11;
  --c-primary-light:#FFE9E1;
  --c-accent:#B8F135;
  --c-ink:#14161B;
  --c-bg:#F7F7F5;
  --c-white:#FFFFFF;
  --c-text:#1A1C20;
  --c-text-2:#5A6070;
  --c-text-3:#9AA0AC;
  --c-line:#E6E7EA;
  --c-soft:#F2F3F1;
  --c-ok:#17B26A;
  --c-warn:#F79009;
  --c-err:#F04438;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(20,22,27,.06), 0 8px 24px rgba(20,22,27,.06);
  --sh-hover:0 12px 32px rgba(20,22,27,.14);
  --sp-section:88px;
  --container:1200px;
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,li,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease-out;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 容器 ---------- */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1440px){ .container{max-width:1320px;} }

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--c-ink);
  color:#fff;
  font-size:13px;
  line-height:1;
}
.topbar-inner{
  min-height:36px;
  display:flex;
  align-items:center;
  gap:20px;
  padding-top:9px;
  padding-bottom:9px;
}
.topbar-domain{
  color:#fff;
  letter-spacing:.04em;
  font-weight:500;
  flex:0 0 auto;
}
.topbar-note{
  color:rgba(255,255,255,.66);
  flex:1 1 auto;
  text-align:center;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.topbar-actions{
  flex:0 0 auto;
  display:flex;
  align-items:center;
  gap:14px;
}
.topbar-actions a{
  color:rgba(255,255,255,.82);
  font-size:13px;
}
.topbar-actions a:hover{color:#fff;}
.topbar-btn{
  background:var(--c-accent);
  color:#14161B !important;
  font-weight:700;
  padding:6px 14px;
  border-radius:var(--r-pill);
  font-size:12px;
  line-height:1.4;
  min-height:26px;
  display:inline-flex;
  align-items:center;
}
.topbar-btn:hover{background:#cbf855;}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--c-white);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 1px 12px rgba(20,22,27,.08);}
.nav-inner{
  height:68px;
  display:flex;
  align-items:center;
  gap:28px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:800;
  letter-spacing:-.01em;
  flex:0 0 auto;
}
.logo-mark{
  width:20px;
  height:20px;
  background:var(--c-primary);
  clip-path:polygon(0 0,100% 0,100% 100%,0 100%);
  border-radius:4px;
  transform:skewX(-12deg);
  flex:0 0 auto;
}
.logo .l-black{color:var(--c-ink);}
.logo .l-orange{color:var(--c-primary);}
.nav-menu{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1 1 auto;
}
.nav-menu > li > a{
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 14px;
  font-size:16px;
  color:var(--c-text-2);
  border-radius:10px;
  position:relative;
}
.nav-menu > li > a::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:6px;
  height:3px;
  border-radius:2px;
  background:transparent;
  transition:background .2s ease-out;
}
.nav-menu > li > a:hover{color:var(--c-ink);}
.nav-menu > li > a.active{color:var(--c-ink);font-weight:600;}
.nav-menu > li > a.active::after{background:var(--c-primary);}
.nav-right{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.search-btn{
  width:44px;
  height:44px;
  border-radius:50%;
  border:1px solid var(--c-line);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--c-text-2);
  transition:all .2s ease-out;
}
.search-btn:hover{border-color:var(--c-primary);color:var(--c-primary);}
.nav-cta{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--c-primary);
  color:#fff;
  font-weight:600;
  font-size:14px;
  padding:12px 20px;
  border-radius:var(--r-btn);
  min-height:44px;
  transition:all .2s ease-out;
}
.nav-cta:hover{background:var(--c-primary-dark);transform:translateY(-2px);box-shadow:var(--sh-hover);}
.nav-cta:active{transform:translateY(0) scale(.98);}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:10px;
  border:1px solid var(--c-line);
  align-items:center;
  justify-content:center;
  color:var(--c-ink);
}
.search-panel{
  display:none;
  border-top:1px solid var(--c-line);
  background:var(--c-white);
}
.search-panel.open{display:block;}
.search-panel form{
  display:flex;
  gap:10px;
  padding:16px 0;
}
.search-panel input{
  flex:1 1 auto;
  height:48px;
  padding:0 16px;
  border:1px solid #D9DBE0;
  border-radius:var(--r-btn);
  background:#fff;
  transition:border-color .2s ease-out, box-shadow .2s ease-out;
}
.search-panel input:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(255,83,39,.16);
}
.search-panel button{
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  background:var(--c-ink);
  color:#fff;
  font-weight:600;
}
.search-panel button:hover{background:#000;}

/* 移动抽屉 */
.drawer{
  position:fixed;
  top:0;
  right:0;
  width:82vw;
  max-width:340px;
  height:100%;
  background:#fff;
  z-index:120;
  transform:translateX(100%);
  transition:transform .2s ease-out;
  display:flex;
  flex-direction:column;
  box-shadow:-8px 0 32px rgba(20,22,27,.16);
}
.drawer.open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 20px;
  border-bottom:1px solid var(--c-line);
}
.drawer-close{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--c-line);
  font-size:18px;color:var(--c-text-2);
}
.drawer-nav{flex:1 1 auto;overflow:auto;}
.drawer-nav a{
  display:flex;
  align-items:center;
  min-height:52px;
  padding:0 20px;
  border-bottom:1px solid var(--c-line);
  font-size:16px;
  color:var(--c-text-2);
}
.drawer-nav a.active{color:var(--c-primary);font-weight:700;}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--c-line);}
.drawer-foot .btn{width:100%;justify-content:center;}
.mask{
  position:fixed;inset:0;background:rgba(20,22,27,.45);
  z-index:110;opacity:0;visibility:hidden;transition:opacity .2s ease-out;
}
.mask.open{opacity:1;visibility:visible;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:16px;
  font-weight:600;
  transition:background .2s ease-out, transform .2s ease-out, box-shadow .2s ease-out, color .2s ease-out, border-color .2s ease-out;
  border:1px solid transparent;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-2px);box-shadow:var(--sh-hover);}
.btn-primary:active{transform:translateY(0) scale(.98);}
.btn-ghost{background:transparent;color:var(--c-ink);border-color:var(--c-ink);}
.btn-ghost:hover{background:var(--c-ink);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0) scale(.98);}
.btn-light{background:#fff;color:var(--c-ink);}
.btn-light:hover{background:var(--c-primary-light);color:var(--c-primary-dark);transform:translateY(-2px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.1);transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn-pill{border-radius:var(--r-pill);}
.btn[disabled]{background:var(--c-line);color:var(--c-text-3);cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:500;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:var(--c-primary-light);
  color:var(--c-primary-dark);
  line-height:1.6;
}
.badge-accent{background:var(--c-accent);color:#14161B;font-weight:700;}
.badge-dark{background:rgba(255,255,255,.12);color:#fff;}
.dot{
  width:6px;height:6px;border-radius:50%;background:var(--c-ok);
  box-shadow:0 0 0 3px rgba(23,178,106,.18);
  display:inline-block;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:
    repeating-linear-gradient(45deg, rgba(20,22,27,.035) 0 2px, transparent 2px 12px),
    var(--c-white);
  overflow:hidden;
}
.hero-inner{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
  padding-top:72px;
  padding-bottom:72px;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--c-primary-dark);
  background:var(--c-primary-light);
  padding:6px 14px;
  border-radius:var(--r-pill);
  margin-bottom:22px;
}
.hero h1{
  font-size:52px;
  line-height:1.15;
  letter-spacing:-.02em;
  font-weight:800;
  color:var(--c-ink);
  margin-bottom:20px;
}
.hero h1 em{
  font-style:normal;
  color:var(--c-primary);
}
.hero-sub{
  font-size:17px;
  line-height:1.85;
  color:var(--c-text-2);
  max-width:560px;
  margin-bottom:32px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:34px;
}
.hero-trust{
  display:flex;
  flex-wrap:wrap;
  gap:22px 30px;
}
.hero-trust li{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--c-text-2);
}
.hero-trust svg{color:var(--c-primary);flex:0 0 auto;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-lg);
  box-shadow:var(--sh-card);
}
.hero-float{
  position:absolute;
  left:-14px;
  bottom:-18px;
  background:#fff;
  border-radius:var(--r-card);
  box-shadow:var(--sh-hover);
  padding:16px 20px;
  display:flex;
  gap:26px;
  border:1px solid var(--c-line);
}
.hero-float .hf-item{min-width:88px;}
.hero-float .hf-num{
  font-size:24px;
  font-weight:800;
  color:var(--c-ink);
  line-height:1.2;
}
.hero-float .hf-num span{color:var(--c-primary);}
.hero-float .hf-label{
  font-size:12px;
  color:var(--c-text-3);
  margin-top:2px;
}
.hero-slash{
  height:56px;
  background:var(--c-primary-light);
  clip-path:polygon(0 0,100% 26%,100% 100%,0 100%);
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp-section) 0;}
.section-soft{background:var(--c-soft);}
.section-dark{background:var(--c-ink);color:#fff;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.section-head .sh-left{max-width:640px;}
.section-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--c-primary);
  letter-spacing:.06em;
  margin-bottom:12px;
}
.section-kicker::before{
  content:"";
  width:20px;height:4px;border-radius:2px;background:var(--c-primary);
}
.section h2{
  font-size:34px;
  line-height:1.3;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--c-ink);
}
.section-dark h2{color:#fff;}
.section-desc{
  margin-top:14px;
  font-size:16px;
  color:var(--c-text-2);
  line-height:1.85;
}
.section-dark .section-desc{color:rgba(255,255,255,.7);}
.more-link{
  font-size:15px;
  font-weight:600;
  color:var(--c-primary);
  white-space:nowrap;
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:44px;
}
.more-link:hover{color:var(--c-primary-dark);gap:10px;}

/* ---------- 入口网格（爆款） ---------- */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.entry-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .2s ease-out, box-shadow .2s ease-out;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.entry-card.feature{grid-column:span 2;}
.entry-media{
  position:relative;
  overflow:hidden;
}
.entry-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .2s ease-out;
}
.entry-card:hover .entry-media img{transform:scale(1.04);}
.entry-flag{
  position:absolute;
  top:0;
  left:0;
  background:var(--c-primary);
  color:#fff;
  font-size:12px;
  font-weight:700;
  padding:6px 16px 6px 12px;
  clip-path:polygon(0 0,100% 0,calc(100% - 12px) 100%,0 100%);
}
.entry-flag.accent{background:var(--c-accent);color:#14161B;}
.entry-body{
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1 1 auto;
}
.entry-body h3{
  font-size:20px;
  font-weight:700;
  line-height:1.45;
  color:var(--c-ink);
}
.entry-desc{
  font-size:14px;
  color:var(--c-text-2);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.entry-spec{
  border-top:1px dashed var(--c-line);
  padding-top:12px;
  display:flex;
  flex-direction:column;
  gap:6px;
}
.entry-spec li{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--c-text-3);
}
.entry-spec li b{color:var(--c-text);font-weight:600;}
.entry-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:6px;
}
.entry-state{
  font-size:13px;
  color:var(--c-ok);
  display:inline-flex;
  align-items:center;
  gap:6px;
}

/* ---------- 使用路径 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  counter-reset:step;
}
.step-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 22px;
  box-shadow:var(--sh-card);
  transition:transform .2s ease-out, box-shadow .2s ease-out;
  position:relative;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.step-num{
  width:40px;height:40px;
  border-radius:12px;
  background:var(--c-primary-light);
  color:var(--c-primary-dark);
  font-weight:800;
  font-size:16px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.step-card h3{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--c-ink);}
.step-card p{font-size:14px;color:var(--c-text-2);line-height:1.8;}

/* ---------- 评价轮播 ---------- */
.review-wrap{position:relative;}
.review-rail{
  display:flex;
  gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:6px 4px 22px;
  scrollbar-width:none;
}
.review-rail::-webkit-scrollbar{display:none;}
.review-card{
  flex:0 0 320px;
  scroll-snap-align:start;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-card);
}
.review-top{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:14px;
}
.avatar{
  width:44px;height:44px;
  border-radius:50%;
  background:var(--c-primary-light);
  color:var(--c-primary-dark);
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.review-name{font-size:15px;font-weight:700;color:var(--c-ink);}
.review-tag{font-size:12px;color:var(--c-text-3);}
.stars{color:#F79009;font-size:14px;letter-spacing:2px;margin-bottom:10px;}
.review-text{font-size:14px;color:var(--c-text-2);line-height:1.85;}
.review-src{
  margin-top:14px;
  font-size:12px;
  color:var(--c-text-3);
  border-top:1px solid var(--c-line);
  padding-top:12px;
}
.review-nav{
  display:flex;
  align-items:center;
  gap:16px;
  margin-top:6px;
}
.rail-btn{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--c-line);
  background:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-ink);
  transition:all .2s ease-out;
}
.rail-btn:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);}
.rail-dots{display:flex;align-items:center;gap:8px;}
.rail-dots i{
  width:8px;height:2px;border-radius:2px;background:var(--c-line);
  transition:all .2s ease-out;
}
.rail-dots i.on{width:24px;background:var(--c-primary);}

/* ---------- 保障条 ---------- */
.assure{
  background:var(--c-soft);
  padding:56px 0;
}
.assure-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.assure-item{
  display:flex;
  gap:14px;
  align-items:flex-start;
}
.assure-icon{
  width:44px;height:44px;
  border-radius:12px;
  background:var(--c-primary-light);
  color:var(--c-primary-dark);
  display:flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.assure-item h3{font-size:16px;font-weight:700;color:var(--c-ink);margin-bottom:4px;}
.assure-item p{font-size:14px;color:var(--c-text-2);line-height:1.7;}

/* ---------- 最新信息 ---------- */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.news-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  transition:transform .2s ease-out, box-shadow .2s ease-out;
  overflow:hidden;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.news-card-link{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:22px;
  height:100%;
}
.news-title{
  font-size:18px;
  font-weight:700;
  line-height:1.5;
  color:var(--c-ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card:hover .news-title{color:var(--c-primary);}
.news-summary{
  font-size:13px;
  color:var(--c-text-2);
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--c-line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--c-text-3);
}
.news-arrow{color:var(--c-primary);font-weight:600;}
.news-empty{
  grid-column:1/-1;
  background:#fff;
  border:1px dashed var(--c-line);
  border-radius:var(--r-card);
  padding:56px 24px;
  text-align:center;
  color:var(--c-text-2);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:16px;
}
.news-empty svg{color:var(--c-text-3);}

/* ---------- FAQ ---------- */
.faq-list{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  overflow:hidden;
}
.faq-list details{border-bottom:1px solid var(--c-line);}
.faq-list details:last-child{border-bottom:0;}
.faq-list summary{
  min-height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:16px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--c-ink);
  cursor:pointer;
  list-style:none;
  border-left:3px solid transparent;
  transition:background .2s ease-out, border-color .2s ease-out;
}
.faq-list summary::-webkit-details-marker{display:none;}
.faq-list summary:hover{background:#FAFAF8;}
.faq-list details[open] summary{border-left-color:var(--c-primary);background:#FAFAF8;}
.faq-list summary .chev{
  flex:0 0 auto;
  transition:transform .2s ease-out;
  color:var(--c-text-3);
}
.faq-list details[open] summary .chev{transform:rotate(180deg);color:var(--c-primary);}
.faq-body{
  padding:0 22px 20px 25px;
  font-size:15px;
  color:var(--c-text-2);
  line-height:1.85;
  animation:fadeIn .2s ease-out;
}
@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--c-ink);
  color:#fff;
  padding:72px 0;
}
.cta-inner{
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:48px;
  align-items:center;
}
.cta-inner h2{font-size:34px;font-weight:800;line-height:1.3;color:#fff;margin-bottom:14px;}
.cta-inner p{color:rgba(255,255,255,.72);font-size:16px;line-height:1.85;}
.cta-points{
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  margin-top:24px;
}
.cta-points li{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:rgba(255,255,255,.86);
}
.cta-points svg{color:var(--c-accent);}
.cta-actions{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.cta-actions .btn{width:100%;}
.cta-note{
  margin-top:26px;
  font-size:12px;
  color:rgba(255,255,255,.45);
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-ink);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo .l-black{color:#fff;}
.footer-brand p{line-height:1.85;color:rgba(255,255,255,.6);max-width:320px;}
.footer-social{
  display:flex;
  gap:12px;
  margin-top:20px;
}
.footer-social span{
  width:40px;height:40px;
  border-radius:12px;
  background:rgba(255,255,255,.08);
  display:inline-flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.8);
  transition:all .2s ease-out;
}
.footer-social span:hover{background:var(--c-primary);color:#fff;transform:translateY(-2px);}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.66);font-size:14px;}
.footer-col a:hover{color:var(--c-primary);}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  margin-bottom:12px;
  color:rgba(255,255,255,.66);
  font-size:14px;
  line-height:1.7;
}
.footer-contact svg{color:var(--c-primary);flex:0 0 auto;margin-top:3px;}
.footer-bottom{
  padding:22px 0 28px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:12px;
  color:rgba(255,255,255,.42);
}
.footer-bottom a{color:rgba(255,255,255,.42);}
.footer-bottom a:hover{color:var(--c-primary);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--sp-section:72px;}
  .hero h1{font-size:44px;}
  .entry-grid{grid-template-columns:repeat(3,1fr);}
  .entry-card.feature{grid-column:span 3;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .assure-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:1023px){
  .nav-menu{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding-top:56px;padding-bottom:56px;}
  .hero h1{font-size:40px;}
  .hero-float{left:16px;bottom:-16px;}
  .entry-grid{grid-template-columns:repeat(2,1fr);}
  .entry-card.feature{grid-column:span 2;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .section h2{font-size:30px;}
}
@media (max-width:767px){
  :root{--sp-section:56px;}
  .container{padding:0 16px;}
  .topbar-note{display:none;}
  .topbar-inner{justify-content:space-between;}
  .logo{font-size:18px;}
  .hero h1{font-size:32px;}
  .hero-sub{font-size:16px;}
  .hero-media img{aspect-ratio:16/11;}
  .hero-float{
    position:static;
    margin-top:16px;
    box-shadow:var(--sh-card);
    justify-content:space-between;
  }
  .entry-grid{grid-template-columns:1fr;gap:18px;}
  .entry-card.feature{grid-column:span 1;}
  .steps{grid-template-columns:1fr;}
  .assure-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .review-card{flex:0 0 260px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section h2{font-size:26px;}
  .cta-inner h2{font-size:26px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
}
@media (max-width:479px){
  .hero h1{font-size:28px;}
  .hero-eyebrow{font-size:12px;}
  .hero-float{flex-direction:column;gap:12px;}
  .entry-body h3{font-size:18px;}
}

/* roulang page: article */
:root{
  --c-primary:#FF5327;
  --c-primary-dark:#D93A11;
  --c-primary-light:#FFE9E1;
  --c-accent:#B8F135;
  --c-ink:#14161B;
  --c-bg:#F7F7F5;
  --c-white:#FFFFFF;
  --c-text:#1A1C20;
  --c-text-2:#5A6070;
  --c-text-3:#9AA0AC;
  --c-line:#E6E7EA;
  --c-line-2:#D9DBE0;
  --c-soft:#F2F3F1;
  --c-success:#17B26A;
  --c-warn:#F79009;
  --c-error:#F04438;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(20,22,27,.06),0 8px 24px rgba(20,22,27,.06);
  --sh-hover:0 12px 32px rgba(20,22,27,.14);
  --sp-section:88px;
  --t:200ms ease-out;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);line-height:1.25}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1440px){.container{max-width:1320px}}
.num{font-variant-numeric:tabular-nums}

/* ============ Header ============ */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow var(--t)}
.site-header.is-scrolled{box-shadow:0 1px 12px rgba(20,22,27,.08)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:-.01em}
.logo-mark{width:20px;height:20px;border-radius:3px;background:var(--c-primary);clip-path:polygon(0 0,100% 0,100% 66%,66% 100%,0 100%);flex:none}
.l-black{color:var(--c-ink)}
.l-orange{color:var(--c-primary)}
.nav-menu{display:flex;align-items:center;gap:30px}
.nav-menu a{position:relative;display:inline-block;padding:22px 0;font-size:16px;color:var(--c-text-2);transition:color var(--t)}
.nav-menu a:hover{color:var(--c-ink)}
.nav-menu a.active{color:var(--c-ink);font-weight:600}
.nav-menu a.active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:12px;width:22px;height:3px;border-radius:2px;background:var(--c-primary)}
.nav-right{display:flex;align-items:center;gap:12px}
.search-btn{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--c-line);border-radius:50%;background:#fff;color:var(--c-text-2);transition:all var(--t)}
.search-btn:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-2px)}
.nav-cta{display:inline-flex;align-items:center;height:42px;padding:0 20px;border-radius:var(--r-btn);background:var(--c-primary);color:#fff;font-size:15px;font-weight:700;transition:all var(--t);box-shadow:0 6px 16px rgba(255,83,39,.24)}
.nav-cta:hover{background:var(--c-primary-dark);transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,83,39,.3)}
.nav-cta:active{transform:translateY(0) scale(.98)}
.nav-toggle{display:none;width:42px;height:42px;align-items:center;justify-content:center;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;color:var(--c-ink)}
.search-panel{display:none;background:#fff;border-top:1px solid var(--c-line)}
.search-panel.open{display:block}
.search-panel form{display:flex;gap:12px;padding:14px 0}
.search-panel input{flex:1;height:44px;padding:0 16px;border:1px solid var(--c-line-2);border-radius:var(--r-btn);background:#fff;outline:none;transition:border-color var(--t),box-shadow var(--t)}
.search-panel input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(255,83,39,.15)}
.search-panel button{height:44px;padding:0 24px;border:0;border-radius:var(--r-btn);background:var(--c-primary);color:#fff;font-weight:700;transition:background var(--t)}
.search-panel button:hover{background:var(--c-primary-dark)}

/* ============ Buttons ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:700;transition:all var(--t)}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(255,83,39,.22)}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,83,39,.3)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:#fff;border-color:var(--c-ink);color:var(--c-ink)}
.btn-ghost:hover{background:var(--c-ink);color:#fff;transform:translateY(-2px)}
.btn-line{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-line:hover{background:var(--c-primary);color:#fff;transform:translateY(-2px)}

/* ============ Badges ============ */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1.6}
.badge-orange{background:var(--c-primary-light);color:var(--c-primary-dark)}
.badge-dark{background:var(--c-ink);color:#fff}
.badge-accent{background:var(--c-accent);color:var(--c-ink)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:inline-block}

/* ============ Article layout ============ */
.article-shell{padding:32px 0 var(--sp-section)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--c-text-3)}
.breadcrumb a{transition:color var(--t)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:#C9CCD3}
.breadcrumb .current{color:var(--c-text-2);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{max-width:800px;margin:24px auto 0}
.article-head .kicker{display:inline-flex;align-items:center;gap:8px;margin-bottom:16px}
.article-head h1{font-size:40px;line-height:1.2;letter-spacing:-.02em;margin-bottom:18px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;font-size:13px;color:var(--c-text-2);border-top:1px solid var(--c-line);padding-top:16px}
.meta-row .m{display:inline-flex;align-items:center;gap:6px}
.meta-row .m svg{color:var(--c-text-3)}
.meta-row .bar{width:1px;height:12px;background:var(--c-line);display:inline-block}
.article-cover{max-width:1000px;margin:32px auto 0;border-radius:var(--r-lg);overflow:hidden;background:#EDEDEA;aspect-ratio:21/9}
.article-cover img{width:100%;height:100%;object-fit:cover}

.article-body{max-width:800px;margin:44px auto 0;font-size:17px;line-height:1.85;color:#25272C}
.article-body>*:first-child{margin-top:0}
.article-body h2{position:relative;font-size:28px;line-height:1.35;margin:52px 0 18px;padding-left:16px}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;width:4px;height:22px;border-radius:2px;background:var(--c-primary)}
.article-body h3{font-size:23px;line-height:1.4;margin:36px 0 14px;color:var(--c-ink)}
.article-body h4{font-size:18px;margin:28px 0 12px}
.article-body p{margin:0 0 1em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0}
.article-body li{position:relative;padding-left:20px;margin-bottom:.55em}
.article-body ul>li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--c-primary)}
.article-body ol{counter-reset:olc}
.article-body ol>li{counter-increment:olc}
.article-body ol>li::before{content:counter(olc);position:absolute;left:0;top:.1em;width:16px;font-size:13px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums}
.article-body blockquote{margin:28px 0;padding:18px 22px;background:var(--c-soft);border-left:3px solid var(--c-primary);border-radius:0 var(--r-btn) var(--r-btn) 0;color:var(--c-text-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-btn);margin:26px auto}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--c-primary-dark)}
.article-body table{width:100%;border-collapse:collapse;margin:28px 0;font-size:15px}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--c-line)}
.article-body th{background:var(--c-ink);color:#fff;font-weight:600;font-size:14px}
.article-body tbody tr:nth-child(even){background:#FAFAF8}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:40px 0}
.article-body strong{font-weight:700;color:var(--c-ink)}

.empty-state{max-width:800px;margin:40px auto 0;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);padding:56px 32px;text-align:center}
.empty-state .icon{width:64px;height:64px;margin:0 auto 18px;border-radius:var(--r-card);background:var(--c-primary-light);display:flex;align-items:center;justify-content:center;color:var(--c-primary)}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--c-text-2);font-size:15px;margin-bottom:22px}

/* ============ Related ============ */
.section{padding-top:var(--sp-section)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:30px}
.section-head .sub{font-size:14px;color:var(--c-text-2);margin-top:8px}
.section-head .more{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;transition:gap var(--t)}
.section-head .more:hover{gap:10px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);overflow:hidden;transition:transform var(--t),box-shadow var(--t)}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.card-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:#EFEFEC}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.card:hover .card-media img{transform:scale(1.04)}
.card-tag{position:absolute;left:0;top:14px;padding:5px 14px 5px 12px;background:var(--c-primary);color:#fff;font-size:12px;font-weight:700;border-radius:0 var(--r-pill) var(--r-pill) 0}
.card-body{padding:20px;display:flex;flex-direction:column;flex:1;gap:10px}
.card-body h3{font-size:19px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;color:var(--c-text-2);line-height:1.7;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px dashed var(--c-line);font-size:13px;color:var(--c-text-3)}
.card-foot .go{color:var(--c-primary);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.center-btn{display:flex;justify-content:center;margin-top:36px}

/* ============ CTA ============ */
.cta-band{margin-top:var(--sp-section);background:var(--c-ink);color:#fff;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(45deg,rgba(255,255,255,.04) 0 2px,transparent 2px 8px);pointer-events:none}
.cta-band .inner{position:relative;z-index:1;display:grid;grid-template-columns:1.4fr .9fr;gap:40px;align-items:center;padding:64px 0}
.cta-band h2{color:#fff;font-size:32px;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin:0 0 20px}
.cta-points{display:grid;gap:10px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.86)}
.cta-points svg{flex:none;margin-top:3px;color:var(--c-accent)}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-actions .btn-primary{width:100%}
.cta-actions .btn-ghost{width:100%;background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.cta-actions .btn-ghost:hover{background:#fff;color:var(--c-ink);border-color:#fff}
.cta-note{margin-top:18px;font-size:12px;color:rgba(255,255,255,.45);text-align:center}

/* ============ Footer ============ */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);margin-top:0;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo .l-black{color:#fff}
.footer-brand .logo .l-orange{color:var(--c-primary)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:340px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social span{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.7);transition:all var(--t)}
.footer-social span:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:700}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color var(--t)}
.footer-col a:hover{color:var(--c-primary)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.66)}
.footer-contact svg{flex:none;margin-top:4px;color:var(--c-primary)}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:12px;color:rgba(255,255,255,.45)}

/* ============ Responsive ============ */
@media (max-width:1279px){
  .card-grid{grid-template-columns:repeat(3,1fr);gap:20px}
  .article-head h1{font-size:36px}
}
@media (max-width:1023px){
  :root{--sp-section:64px}
  .nav-toggle{display:inline-flex}
  .nav-menu{position:fixed;top:0;right:0;width:82vw;max-width:360px;height:100vh;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:76px 20px 24px;transform:translateX(105%);transition:transform var(--t);box-shadow:var(--sh-hover);z-index:90;overflow-y:auto}
  .site-header.nav-open .nav-menu{transform:translateX(0)}
  .nav-menu li{border-bottom:1px solid var(--c-line)}
  .nav-menu a{display:flex;align-items:center;height:52px;padding:0;font-size:16px}
  .nav-menu a.active::after{display:none}
  .cta-band .inner{grid-template-columns:1fr;padding:52px 0;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sp-section:48px}
  .container{padding:0 16px}
  .nav-inner{height:62px;gap:12px}
  .logo{font-size:18px}
  .nav-cta{height:40px;padding:0 16px;font-size:14px}
  .search-btn{display:none}
  .article-head h1{font-size:29px}
  .article-cover{aspect-ratio:16/9;margin-top:24px}
  .article-body{font-size:16.5px;margin-top:32px}
  .article-body h2{font-size:23px;margin:38px 0 14px}
  .article-body h3{font-size:20px}
  .card-grid{grid-template-columns:1fr}
  .cta-band h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:479px){
  .article-head h1{font-size:25px}
  .meta-row{font-size:12px;gap:8px 12px}
  .btn{width:100%}
  .section-head{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --c-primary:#FF5327;
  --c-primary-dark:#D93A11;
  --c-primary-soft:#FFE9E1;
  --c-accent:#B8F135;
  --c-ink:#14161B;
  --c-bg:#F7F7F5;
  --c-surface:#FFFFFF;
  --c-surface-2:#F2F3F1;
  --c-text:#1A1C20;
  --c-text-2:#5A6070;
  --c-text-3:#9AA0AC;
  --c-line:#E6E7EA;
  --c-success:#17B26A;
  --c-warn:#F79009;
  --c-error:#F04438;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(20,22,27,.06), 0 8px 24px rgba(20,22,27,.06);
  --sh-hover:0 12px 32px rgba(20,22,27,.14);
  --maxw:1200px;
  --sp-section:88px;
  --t:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color var(--t)}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;
}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-0.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{display:block}
.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
@media (min-width:1440px){.container{max-width:1320px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t);
}
.site-header.is-stuck{box-shadow:0 1px 12px rgba(20,22,27,.08)}
.nav-inner{display:flex;align-items:center;gap:28px;min-height:68px;padding-top:10px;padding-bottom:10px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:-.02em;white-space:nowrap}
.logo-mark{
  width:20px;height:20px;flex:0 0 20px;background:var(--c-primary);
  clip-path:polygon(0 0,100% 0,100% 66%,66% 100%,0 100%);
}
.l-black{color:var(--c-ink)}
.l-orange{color:var(--c-primary)}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-menu a{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  font-size:16px;font-weight:500;color:var(--c-text-2);border-radius:10px;
}
.nav-menu a:hover{color:var(--c-ink);background:#FAFAF8}
.nav-menu a.active{color:var(--c-ink);font-weight:700}
.nav-menu a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:3px;
  background:var(--c-primary);border-radius:3px;
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-btn{
  width:44px;height:44px;display:grid;place-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-btn);
  color:var(--c-text-2);cursor:pointer;transition:all var(--t);
}
.search-btn:hover{color:var(--c-ink);border-color:#CFD2D8;background:#FAFAF8}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 22px;
  background:var(--c-primary);color:#fff;font-weight:700;font-size:15px;
  border-radius:var(--r-btn);box-shadow:0 6px 18px rgba(255,83,39,.24);
  transition:all var(--t);white-space:nowrap;
}
.nav-cta:hover{background:var(--c-primary-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(217,58,17,.28)}
.nav-cta:active{transform:translateY(0) scale(.98)}
.nav-toggle{
  display:none;width:44px;height:44px;place-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-btn);
  color:var(--c-ink);cursor:pointer;
}
.search-panel{display:none;border-top:1px solid var(--c-line);background:var(--c-surface)}
.search-panel.open{display:block}
.search-panel form{display:flex;gap:10px;padding:14px 0}
.search-panel input{
  flex:1;height:46px;padding:0 16px;border:1px solid #D9DBE0;
  border-radius:var(--r-btn);background:#fff;font-size:15px;
}
.search-panel input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(255,83,39,.14);outline:none}
.search-panel button{
  height:46px;padding:0 24px;border:0;border-radius:var(--r-btn);
  background:var(--c-ink);color:#fff;font-weight:600;cursor:pointer;transition:background var(--t);
}
.search-panel button:hover{background:#000}

/* ---------- shared ---------- */
.section{padding:var(--sp-section) 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;gap:16px;margin-bottom:36px}
.section-head .sh-text{max-width:640px}
.section-head h2{font-size:32px;position:relative;padding-left:16px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--c-primary);border-radius:3px;
}
.section-head p{margin:10px 0 0;color:var(--c-text-2);font-size:15px}
.section-head .sh-link{margin-left:auto;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;height:44px}
.section-head .sh-link:hover{color:var(--c-primary-dark)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;transition:all var(--t);
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(255,83,39,.22)}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-2px);box-shadow:0 14px 28px rgba(217,58,17,.26)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:transparent;color:var(--c-ink);border-color:var(--c-ink)}
.btn-ghost:hover{background:var(--c-ink);color:#fff;transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary);color:#fff;transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}

.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  font-size:12px;font-weight:500;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary-dark);white-space:nowrap;
}
.badge-accent{background:var(--c-accent);color:#1A1C20}
.badge-ink{background:#EDEEF0;color:var(--c-text-2)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:inline-block}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;background:var(--c-surface);padding:56px 0 72px;
  border-bottom:1px solid var(--c-line);
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:76px;
  background:repeating-linear-gradient(45deg,rgba(20,22,27,.035) 0 2px,transparent 2px 8px);
  pointer-events:none;
}
.crumbs{font-size:12px;color:var(--c-text-3);margin-bottom:20px}
.crumbs a{color:var(--c-text-3)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs span{margin:0 8px}
.hero-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:center;position:relative;z-index:1}
.hero-grid h1{font-size:46px;line-height:1.15;letter-spacing:-.02em;font-weight:800}
.hero-grid h1 em{font-style:normal;color:var(--c-primary)}
.hero-sub{margin-top:18px;font-size:17px;color:var(--c-text-2);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-facts{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;padding-top:24px;border-top:1px solid var(--c-line)}
.hero-facts div{min-width:120px}
.hero-facts strong{display:block;font-size:26px;font-weight:800;letter-spacing:-.02em}
.hero-facts span{font-size:13px;color:var(--c-text-3)}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-card)}
.hero-float{
  position:absolute;left:-18px;bottom:-22px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-hover);padding:16px 18px;display:flex;gap:22px;
}
.hero-float div{min-width:88px}
.hero-float b{display:block;font-size:22px;font-weight:800}
.hero-float small{font-size:12px;color:var(--c-text-3)}
.hero-float .live{color:var(--c-success)}

/* ---------- filter bar ---------- */
.filter-wrap{padding:26px 0 0}
.filter-bar{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}
.filter-bar::-webkit-scrollbar{height:6px}
.filter-bar::-webkit-scrollbar-thumb{background:#DCDEE2;border-radius:6px}
.chip{
  flex:0 0 auto;height:42px;padding:0 20px;display:inline-flex;align-items:center;
  border-radius:var(--r-pill);border:1px solid var(--c-line);background:#fff;
  font-size:14px;font-weight:500;color:var(--c-text-2);cursor:pointer;transition:all var(--t);
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary-dark)}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:700}

/* ---------- staggered grid ---------- */
.masonry{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;margin-top:28px}
.mcard{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);
  transition:transform var(--t),box-shadow var(--t);
}
.mcard:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.mcard-media{position:relative;overflow:hidden}
.mcard-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform var(--t)}
.mcard:hover .mcard-media img{transform:scale(1.04)}
.corner-tag{
  position:absolute;top:0;left:0;height:26px;padding:0 14px;display:inline-flex;align-items:center;
  font-size:12px;font-weight:600;color:#fff;background:var(--c-primary);
  clip-path:polygon(0 0,100% 0,82% 100%,0 100%);
}
.mcard-body{padding:22px;display:flex;flex-direction:column;flex:1}
.mcard-body h3{font-size:20px;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mcard-body p{margin-top:10px;font-size:14px;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.spec{margin-top:16px;display:grid;gap:8px;font-size:13px}
.spec li{display:flex;align-items:baseline;gap:8px;color:var(--c-text-2)}
.spec li i{
  flex:1;height:0;border-bottom:1px dotted #D5D8DD;font-style:normal;
}
.spec li b{color:var(--c-text);font-weight:600}
.mcard-foot{
  margin-top:20px;padding-top:16px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;gap:12px;justify-content:space-between;flex:0 0 auto;
}
.mcard-foot .go{font-size:14px;font-weight:700;color:var(--c-ink)}
.mcard-foot .go:hover{color:var(--c-primary)}
.mcard-feature{grid-column:span 2;flex-direction:row}
.mcard-feature .mcard-media{flex:0 0 46%;}
.mcard-feature .mcard-media img{height:100%;aspect-ratio:auto;min-height:320px}
.mcard-feature .mcard-body{padding:30px}
.mcard-feature .mcard-body h3{font-size:26px;-webkit-line-clamp:3}
.mcard-feature .mcard-body p{font-size:15px;-webkit-line-clamp:3}
.mcard-feature .mcard-foot{border-top-color:var(--c-line)}

/* ---------- matrix ---------- */
.matrix-section{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:8px}
.mx{
  padding:22px;border-radius:var(--r-card);background:#fff;
  border:1px solid var(--c-line);border-left:3px solid var(--c-primary-soft);
  box-shadow:var(--sh-card);transition:all var(--t);
}
.mx:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-left-color:var(--c-primary)}
.mx .mx-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.mx h3{font-size:17px}
.mx p{font-size:14px;color:var(--c-text-2)}
.mx .state{font-size:12px;font-weight:600;color:var(--c-success);display:inline-flex;align-items:center;gap:6px}
.mx .state::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-accent)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{position:relative;padding:26px 22px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card)}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--c-primary);
  margin-bottom:12px;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--c-text-2)}
.step::after{
  content:"";position:absolute;top:50%;right:-14px;width:14px;height:2px;background:var(--c-line);
}
.steps .step:last-child::after{display:none}

/* ---------- rank table ---------- */
.rank{width:100%;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;background:#fff}
.rank-row{
  display:grid;grid-template-columns:70px 1.6fr 1fr 1fr 120px;gap:16px;align-items:center;
  padding:16px 22px;border-bottom:1px solid var(--c-line);font-size:14px;transition:background var(--t);
}
.rank-row:last-child{border-bottom:0}
.rank-row:hover{background:#FFF7F3}
.rank-row.head{background:var(--c-surface-2);font-size:13px;font-weight:700;color:var(--c-text-2);letter-spacing:.02em}
.rank-row.head:hover{background:var(--c-surface-2)}
.rank-no{font-size:18px;font-weight:800;color:var(--c-text-3);font-variant-numeric:tabular-nums}
.rank-row.top .rank-no{color:var(--c-primary)}
.rank-row.top{border-left:3px solid var(--c-primary)}
.rank-name{font-weight:700;color:var(--c-text)}
.rank-meta{color:var(--c-text-2)}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:8px}
.stat{padding:26px;border-radius:var(--r-card);background:var(--c-ink);color:#fff}
.stat b{display:block;font-size:34px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat b i{font-style:normal;font-size:16px;font-weight:600;color:var(--c-accent);margin-left:4px}
.stat span{display:block;margin-top:8px;font-size:14px;color:#B9BDC6}
.stat:nth-child(2){background:#1D2027}
.stat:nth-child(3){background:#24272F}
.stat:nth-child(4){background:#2C3039}

/* ---------- faq ---------- */
.faq{max-width:900px;border-top:1px solid var(--c-line)}
.faq details{border-bottom:1px solid var(--c-line);position:relative}
.faq summary{
  display:flex;align-items:center;gap:14px;min-height:64px;padding:12px 8px 12px 0;
  cursor:pointer;font-size:17px;font-weight:600;list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";margin-left:auto;width:10px;height:10px;flex:0 0 10px;
  border-right:2px solid var(--c-text-3);border-bottom:2px solid var(--c-text-3);
  transform:rotate(45deg);transition:transform var(--t);
}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq details[open] summary{color:var(--c-primary-dark)}
.faq details[open]{border-left:3px solid var(--c-primary);padding-left:16px}
.faq .faq-body{padding:0 8px 22px 0;font-size:15px;color:var(--c-text-2);animation:fade .2s ease-out}
@keyframes fade{from{opacity:0}to{opacity:1}}

/* ---------- cta bar ---------- */
.cta-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:26px;
  padding:34px 38px;border-radius:var(--r-lg);background:#fff;
  border:2px solid var(--c-primary);box-shadow:0 12px 32px rgba(255,83,39,.12);
}
.cta-bar h2{font-size:26px}
.cta-bar p{margin-top:8px;font-size:15px;color:var(--c-text-2)}
.cta-bar .cta-actions{margin-left:auto;display:flex;flex-wrap:wrap;gap:14px}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:#C7CAD2;margin-top:var(--sp-section);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .l-black{color:#fff}
.footer-brand p{font-size:14px;color:#9BA0AA;max-width:340px;line-height:1.8}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social span{
  width:40px;height:40px;display:grid;place-items:center;border-radius:var(--r-btn);
  background:rgba(255,255,255,.06);color:#C7CAD2;transition:all var(--t);
}
.footer-social span:hover{background:var(--c-primary);color:#fff}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#9BA0AA}
.footer-col a:hover{color:var(--c-primary)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#9BA0AA}
.footer-contact svg{margin-top:4px;flex:0 0 16px;color:var(--c-primary)}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12px;color:#7F848E;
}
.footer-bottom a:hover{color:var(--c-primary)}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  :root{--sp-section:72px}
  .matrix{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(2)::after{display:none}
  .stats{grid-template-columns:repeat(2,1fr)}
  .masonry{grid-template-columns:repeat(2,1fr)}
  .mcard-feature{grid-column:span 2;flex-direction:column}
  .mcard-feature .mcard-media{flex:none}
  .mcard-feature .mcard-media img{aspect-ratio:16/9;min-height:0}
}
@media (max-width:1023px){
  .nav-menu{display:none}
  .nav-toggle{display:grid}
  .nav-inner{gap:16px}
  .nav-menu.open{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    position:fixed;top:68px;right:0;width:82vw;max-width:360px;height:calc(100vh - 68px);
    background:#fff;border-left:1px solid var(--c-line);padding:12px 20px 0;
    box-shadow:-12px 0 32px rgba(20,22,27,.12);overflow-y:auto;z-index:90;
  }
  .nav-menu.open a{height:52px;padding:0 8px;border-bottom:1px solid var(--c-line);border-radius:0;font-size:16px}
  .nav-menu.open a.active::after{left:8px;right:auto;width:32px;bottom:12px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-grid h1{font-size:38px}
  .hero-media img{aspect-ratio:16/9}
  .section-head h2{font-size:27px}
  .section-head .sh-link{margin-left:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .rank-row{grid-template-columns:52px 1.5fr 1fr;gap:12px;padding:14px 18px}
  .rank-row .rank-hide{display:none}
}
@media (max-width:767px){
  :root{--sp-section:52px}
  .container{padding:0 16px}
  .nav-cta{padding:0 16px;font-size:14px}
  .hero-grid h1{font-size:31px}
  .hero-sub{font-size:16px}
  .hero-facts{gap:18px}
  .hero-float{position:static;margin-top:16px;left:0;bottom:0}
  .masonry{grid-template-columns:1fr}
  .mcard-feature{grid-column:span 1}
  .matrix,.steps,.stats{grid-template-columns:1fr}
  .step::after{display:none}
  .cta-bar{padding:26px 22px}
  .cta-bar .cta-actions{margin-left:0;width:100%}
  .cta-bar .cta-actions .btn{flex:1 1 auto}
  .section-head h2{font-size:24px}
  .rank-row{grid-template-columns:44px 1fr;}
  .rank-row .rank-meta{display:none}
}
@media (max-width:479px){
  .logo{font-size:18px}
  .nav-cta{display:none}
  .hero-grid h1{font-size:27px}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .cta-bar .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .section-head{gap:8px}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --c-primary:#FF5327;
  --c-primary-dark:#D93A11;
  --c-primary-light:#FFE9E1;
  --c-accent:#B8F135;
  --c-ink:#14161B;
  --c-ink-soft:#22252C;
  --c-text:#1A1C20;
  --c-text-2:#5A6070;
  --c-text-3:#9AA0AC;
  --c-bg:#F7F7F5;
  --c-surface:#FFFFFF;
  --c-line:#E6E7EA;
  --c-line-strong:#D9DBE0;
  --c-ok:#17B26A;
  --c-warn:#F79009;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(20,22,27,.06), 0 8px 24px rgba(20,22,27,.06);
  --sh-hover:0 12px 32px rgba(20,22,27,.14);
  --sp-section:88px;
  --container:1200px;
}

/* ============ reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
strong{font-weight:700}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}

/* ============ 容器与通用 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
.section{padding:var(--sp-section) 0}
.section--tight{padding:56px 0}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--c-primary);
  background:var(--c-primary-light);
  border-radius:var(--r-pill);
  padding:5px 14px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--c-primary);
}
.sec-head{margin-bottom:36px}
.sec-head h2{
  font-size:clamp(24px,2.6vw,34px);
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.01em;
  padding-left:16px;
  position:relative;
}
.sec-head h2::before{
  content:"";
  position:absolute;
  left:0;top:.22em;
  width:5px;height:1.05em;
  border-radius:3px;
  background:var(--c-primary);
}
.sec-head p{
  margin-top:12px;
  color:var(--c-text-2);
  font-size:16px;
  max-width:760px;
}
.sec-head--row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.text-link{
  color:var(--c-primary);
  font-weight:600;
  font-size:15px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:44px;
  transition:color .2s ease-out;
}
.text-link:hover{color:var(--c-primary-dark)}
.text-link svg{transition:transform .2s ease-out}
.text-link:hover svg{transform:translateX(3px)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:16px;
  font-weight:600;
  border:1.5px solid transparent;
  transition:transform .2s ease-out, box-shadow .2s ease-out, background-color .2s ease-out, color .2s ease-out, border-color .2s ease-out;
  cursor:pointer;
}
.btn-primary{
  background:var(--c-primary);
  color:#fff;
  box-shadow:0 6px 18px rgba(255,83,39,.28);
}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,83,39,.34)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{
  border-color:var(--c-ink);
  color:var(--c-ink);
  background:transparent;
}
.btn-ghost:hover{background:var(--c-ink);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0) scale(.98)}
.btn-ghost--light{
  border-color:rgba(255,255,255,.45);
  color:#fff;
}
.btn-ghost--light:hover{background:#fff;color:var(--c-ink);border-color:#fff}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn-block{width:100%}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 1px 12px rgba(20,22,27,.08)}
.nav-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:68px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:800;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.logo-mark{
  width:20px;height:20px;
  background:var(--c-primary);
  border-radius:5px;
  clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
  flex:none;
}
.l-black{color:var(--c-ink)}
.l-orange{color:var(--c-primary)}

.nav-menu{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-menu > li > a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 14px;
  font-size:16px;
  color:var(--c-text);
  border-radius:8px;
  transition:color .2s ease-out, background-color .2s ease-out;
}
.nav-menu > li > a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:3px;
  border-radius:3px;
  background:transparent;
  transition:background-color .2s ease-out;
}
.nav-menu > li > a:hover{color:var(--c-primary);background:var(--c-primary-light)}
.nav-menu > li > a.active{color:var(--c-ink);font-weight:700}
.nav-menu > li > a.active::after{background:var(--c-primary)}

.nav-right{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:8px;
}
.search-btn{
  width:44px;height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  color:var(--c-text-2);
  transition:background-color .2s ease-out,color .2s ease-out;
}
.search-btn:hover{background:var(--c-bg);color:var(--c-ink)}
.nav-cta{
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  background:var(--c-primary);
  color:#fff;
  font-size:15px;
  font-weight:600;
  transition:background-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.nav-cta:hover{background:var(--c-primary-dark);transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,83,39,.3)}
.nav-cta:active{transform:translateY(0) scale(.98)}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  color:var(--c-ink);
}
.nav-toggle:hover{background:var(--c-bg)}

.search-panel{
  display:none;
  border-top:1px solid var(--c-line);
  background:#fff;
  padding:14px 0 18px;
}
.search-panel.is-open{display:block}
.search-panel form{
  display:flex;
  gap:12px;
}
.search-panel input{
  flex:1;
  min-height:48px;
  padding:0 16px;
  border:1px solid var(--c-line-strong);
  border-radius:var(--r-btn);
  background:#fff;
  transition:border-color .2s ease-out, box-shadow .2s ease-out;
}
.search-panel input:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(255,83,39,.16);
}
.search-panel button{
  min-height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  background:var(--c-ink);
  color:#fff;
  font-weight:600;
  transition:background-color .2s ease-out;
}
.search-panel button:hover{background:var(--c-primary)}

/* ============ 页头深色横幅 ============ */
.page-hero{
  position:relative;
  background:var(--c-ink);
  color:#fff;
  overflow:hidden;
  padding:56px 0 96px;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(45deg, rgba(255,255,255,.035) 0 10px, transparent 10px 20px);
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:70px;
  background:var(--c-bg);
  clip-path:polygon(0 100%, 100% 0, 100% 100%);
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.6);
  margin-bottom:24px;
}
.breadcrumb a{color:rgba(255,255,255,.78);transition:color .2s ease-out}
.breadcrumb a:hover{color:var(--c-accent)}
.breadcrumb span[aria-current]{color:rgba(255,255,255,.55)}

.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:56px;
  align-items:center;
}
.page-hero h1{
  font-size:clamp(30px,4vw,50px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.02em;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--c-primary);
}
.hero-sub{
  margin-top:20px;
  font-size:17px;
  color:rgba(255,255,255,.76);
  max-width:620px;
}
.hero-actions{
  margin-top:32px;
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}
.hero-points{
  margin-top:34px;
  display:flex;
  gap:28px;
  flex-wrap:wrap;
}
.hero-points li{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.8);
}
.hero-points li svg{color:var(--c-accent);flex:none}

.hero-card{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 24px 60px rgba(0,0,0,.35);
}
.hero-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.hero-float{
  position:absolute;
  left:16px;bottom:16px;right:16px;
  background:#fff;
  color:var(--c-text);
  border-radius:14px;
  padding:14px 16px;
  display:flex;
  gap:22px;
  box-shadow:0 12px 32px rgba(20,22,27,.22);
}
.hero-float div{flex:1}
.hero-float b{
  display:block;
  font-size:22px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
  color:var(--c-ink);
}
.hero-float span{
  font-size:12px;
  color:var(--c-text-2);
}
.hero-float .dot{
  width:1px;
  background:var(--c-line);
  flex:none;
}

/* ============ 左右分栏主体 ============ */
.split{
  display:grid;
  grid-template-columns:8fr 4fr;
  gap:40px;
  align-items:start;
}

/* 左栏列表 */
.info-list{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  overflow:hidden;
}
.info-row{
  display:grid;
  grid-template-columns:120px 1fr;
  gap:20px;
  padding:20px;
  border-bottom:1px solid var(--c-line);
  transition:background-color .2s ease-out;
}
.info-row:last-child{border-bottom:0}
.info-row:hover{background:#FFF6F2}
.info-thumb{
  width:120px;height:90px;
  border-radius:12px;
  overflow:hidden;
  background:var(--c-bg);
  flex:none;
}
.info-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .2s ease-out;
}
.info-row:hover .info-thumb img{transform:scale(1.04)}
.info-body h3{
  font-size:19px;
  font-weight:700;
  line-height:1.45;
  margin-bottom:6px;
  transition:color .2s ease-out;
}
.info-row:hover .info-body h3{color:var(--c-primary-dark)}
.info-body p{
  font-size:14px;
  color:var(--c-text-2);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.info-meta{
  margin-top:10px;
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--c-text-3);
}
.info-meta .tag{
  font-size:12px;
  font-weight:600;
  color:var(--c-primary-dark);
  background:var(--c-primary-light);
  border-radius:var(--r-pill);
  padding:3px 10px;
}
.info-meta .sep{
  width:3px;height:3px;border-radius:50%;
  background:var(--c-line-strong);
}

/* 右栏 */
.split-side{
  position:sticky;
  top:92px;
  display:grid;
  gap:20px;
}
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:22px;
}
.side-card h3{
  font-size:16px;
  font-weight:800;
  margin-bottom:16px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-card h3::before{
  content:"";
  width:4px;height:15px;
  border-radius:2px;
  background:var(--c-primary);
}
.quick-links{display:grid;gap:10px}
.quick-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  min-height:46px;
  padding:0 14px;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  color:var(--c-text);
  transition:border-color .2s ease-out, background-color .2s ease-out, transform .2s ease-out;
}
.quick-links a:hover{
  border-color:var(--c-primary);
  background:var(--c-primary-light);
  transform:translateX(3px);
}
.quick-links a svg{color:var(--c-primary);flex:none}

.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud a{
  display:inline-flex;
  align-items:center;
  min-height:34px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:var(--c-bg);
  border:1px solid var(--c-line);
  font-size:13px;
  color:var(--c-text-2);
  transition:all .2s ease-out;
}
.tag-cloud a:hover{
  background:var(--c-primary);
  border-color:var(--c-primary);
  color:#fff;
}

.side-cta{
  background:var(--c-ink);
  border-color:var(--c-ink);
  color:#fff;
}
.side-cta h3{color:#fff}
.side-cta h3::before{background:var(--c-accent)}
.side-cta p{
  font-size:14px;
  color:rgba(255,255,255,.72);
  margin-bottom:18px;
}
.side-cta .badge-lime{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  color:var(--c-ink);
  background:var(--c-accent);
  border-radius:var(--r-pill);
  padding:3px 12px;
  margin-bottom:14px;
}

/* ============ 保障条 ============ */
.guarantee{
  background:#F2F3F1;
  padding:56px 0;
}
.guarantee-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.g-item{
  display:flex;
  gap:14px;
  align-items:flex-start;
}
.g-icon{
  width:44px;height:44px;
  border-radius:12px;
  background:var(--c-primary-light);
  color:var(--c-primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:none;
}
.g-item h3{font-size:16px;font-weight:700;margin-bottom:4px}
.g-item p{font-size:14px;color:var(--c-text-2);line-height:1.65}

/* ============ 流程步骤 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  counter-reset:step;
}
.step{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 22px;
  box-shadow:var(--sh-card);
  transition:transform .2s ease-out, box-shadow .2s ease-out;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.step-num{
  width:38px;height:38px;
  border-radius:10px;
  background:var(--c-ink);
  color:#fff;
  font-weight:800;
  font-size:16px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.step:nth-child(1) .step-num{background:var(--c-primary)}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px}
.step p{font-size:14px;color:var(--c-text-2);line-height:1.7}

/* ============ 提示对照表 ============ */
.table-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  overflow:hidden;
}
.table-wrap{overflow-x:auto}
.table-card table{min-width:640px}
.table-card th{
  text-align:left;
  font-size:14px;
  font-weight:700;
  color:#fff;
  background:var(--c-ink);
  padding:16px 20px;
  white-space:nowrap;
}
.table-card td{
  padding:16px 20px;
  font-size:15px;
  color:var(--c-text-2);
  border-bottom:1px solid var(--c-line);
}
.table-card tbody tr:nth-child(even){background:#FAFAF8}
.table-card tbody tr:last-child td{border-bottom:0}
.table-card td:first-child{
  color:var(--c-text);
  font-weight:600;
}
.pill-status{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:600;
  border-radius:var(--r-pill);
  padding:3px 10px;
  background:var(--c-primary-light);
  color:var(--c-primary-dark);
}
.pill-status--ok{background:rgba(23,178,106,.12);color:#0E7F4C}
.pill-status--warn{background:rgba(247,144,9,.14);color:#9A5A05}

/* ============ FAQ ============ */
.faq-list{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:60px;
  padding:12px 22px;
  font-size:16px;
  font-weight:600;
  position:relative;
  transition:background-color .2s ease-out, color .2s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:transparent;
  transition:background-color .2s ease-out;
}
.faq-item summary:hover{background:#FFF6F2;color:var(--c-primary-dark)}
.faq-item summary svg{
  flex:none;
  color:var(--c-text-3);
  transition:transform .2s ease-out, color .2s ease-out;
}
.faq-item[open] summary{color:var(--c-primary-dark)}
.faq-item[open] summary::before{background:var(--c-primary)}
.faq-item[open] summary svg{transform:rotate(180deg);color:var(--c-primary)}
.faq-answer{
  padding:0 22px 22px 22px;
  font-size:15px;
  color:var(--c-text-2);
  line-height:1.85;
  max-width:880px;
  animation:fadeIn .2s ease-out;
}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ============ 底部 CTA ============ */
.final-cta{
  background:var(--c-ink);
  color:#fff;
  padding:80px 0;
  position:relative;
  overflow:hidden;
}
.final-cta::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(45deg, rgba(255,255,255,.03) 0 12px, transparent 12px 24px);
  pointer-events:none;
}
.final-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:48px;
  align-items:center;
}
.final-cta h2{
  font-size:clamp(24px,3vw,36px);
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.01em;
}
.final-cta p{
  margin-top:14px;
  color:rgba(255,255,255,.74);
  max-width:560px;
}
.final-checks{
  margin-top:26px;
  display:grid;
  gap:10px;
}
.final-checks li{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:15px;
  color:rgba(255,255,255,.86);
}
.final-checks svg{color:var(--c-accent);flex:none}
.final-actions{
  display:grid;
  gap:14px;
  justify-items:stretch;
}
.final-note{
  margin-top:18px;
  font-size:12px;
  color:rgba(255,255,255,.42);
  line-height:1.7;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-ink);
  color:rgba(255,255,255,.7);
  padding:64px 0 28px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .logo{
  color:#fff;
  font-size:19px;
  margin-bottom:16px;
}
.footer-brand .l-black{color:#fff}
.footer-brand .l-orange{color:var(--c-primary)}
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.62);
  max-width:340px;
}
.footer-social{
  display:flex;
  gap:10px;
  margin-top:20px;
}
.footer-social span{
  width:38px;height:38px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.16);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:rgba(255,255,255,.7);
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.footer-social span:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.footer-col h4{
  font-size:15px;
  color:#fff;
  font-weight:700;
  margin-bottom:18px;
}
.footer-col ul{display:grid;gap:12px}
.footer-col a{
  color:rgba(255,255,255,.66);
  transition:color .2s ease-out;
  display:inline-block;
  min-height:22px;
}
.footer-col a:hover{color:var(--c-primary)}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  color:rgba(255,255,255,.66);
}
.footer-contact svg{color:var(--c-primary);flex:none;margin-top:5px}
.footer-bottom{
  padding-top:22px;
  display:flex;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  font-size:12px;
  color:rgba(255,255,255,.42);
}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:var(--c-primary)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--container:1140px;--sp-section:76px}
  .split{gap:32px}
  .hero-grid{gap:40px}
}
@media (max-width:1023px){
  :root{--sp-section:64px}
  .nav-menu{
    position:fixed;
    top:0;right:0;
    width:82vw;
    max-width:360px;
    height:100vh;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:88px 20px 24px;
    margin:0;
    transform:translateX(102%);
    transition:transform .24s ease-out;
    box-shadow:-12px 0 40px rgba(20,22,27,.18);
    overflow-y:auto;
    z-index:70;
  }
  .site-header.nav-open .nav-menu{transform:translateX(0)}
  .nav-menu > li > a{
    height:52px;
    padding:0 8px;
    font-size:16px;
    border-bottom:1px solid var(--c-line);
    border-radius:0;
    width:100%;
  }
  .nav-menu > li > a::after{display:none}
  .nav-menu > li > a.active{color:var(--c-primary)}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .page-hero{padding:44px 0 92px}
  .split{grid-template-columns:1fr;gap:32px}
  .split-side{position:static}
  .guarantee-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .final-grid{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sp-section:48px}
  .container{padding:0 16px}
  .nav-inner{gap:12px;min-height:62px}
  .logo{font-size:18px}
  .info-row{grid-template-columns:1fr;gap:14px}
  .info-thumb{width:100%;height:170px}
  .hero-float{gap:14px;padding:12px}
  .hero-float b{font-size:19px}
  .hero-actions .btn{width:100%}
  .guarantee-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .sec-head--row{align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .faq-item summary{font-size:15px;padding:12px 18px}
  .faq-answer{padding:0 18px 20px}
}
@media (max-width:479px){
  body{font-size:15px}
  .page-hero h1{font-size:27px}
  .hero-sub{font-size:15px}
  .info-row{padding:16px}
  .side-card{padding:18px}
  .btn{padding:0 18px;font-size:15px}
  .final-cta{padding:56px 0}
}