/* roulang page: index */
:root{
  --c-primary:#E85A2A;
  --c-primary-deep:#C4451C;
  --c-primary-soft:#FDE9E0;
  --c-secondary:#2B1B33;
  --c-secondary-2:#3D2947;
  --c-accent:#2FA98C;
  --c-accent-soft:#E3F5F0;
  --c-bg:#FBF5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#F5EDE6;
  --c-dark:#1E1626;
  --c-text:#241C24;
  --c-text-2:#6B5F68;
  --c-line:#ECE2DA;
  --c-white:#FFF7F2;
  --c-white-72:rgba(255,247,242,.72);
  --sh-1:0 6px 18px rgba(43,27,51,.06);
  --sh-2:0 16px 40px rgba(43,27,51,.10);
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --r-pill:999px;
  --pad-d:88px;
  --pad-t:64px;
  --pad-m:48px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:inherit;}
a{color:var(--c-primary-deep);text-decoration:none;text-underline-offset:3px;transition:color .2s ease;}
a:hover{color:var(--c-secondary);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-text);letter-spacing:.02em;line-height:1.35;}
h1{font-size:clamp(28px,4.2vw,44px);font-weight:800;}
h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;}
h3{font-size:19px;font-weight:600;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}

.grid-container{max-width:1200px;padding-left:20px;padding-right:20px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);border:0;cursor:pointer;
  font-size:16px;font-weight:600;line-height:1;letter-spacing:.02em;
  transition:background .22s ease,color .22s ease,box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 4px 14px rgba(232,90,42,.28);}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 2px 8px rgba(232,90,42,.3);}
.btn-ghost{background:transparent;color:var(--c-secondary);border:1.5px solid var(--c-secondary);}
.btn-ghost:hover{background:var(--c-secondary);color:var(--c-white);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-text{background:none;border:0;padding:0;color:var(--c-primary-deep);font-weight:600;font-size:15px;cursor:pointer;}
.btn-text:hover{color:var(--c-secondary);}
.btn-dark-ghost{background:transparent;color:var(--c-white);border:1.5px solid rgba(255,247,242,.35);}
.btn-dark-ghost:hover{background:rgba(255,247,242,.12);color:#fff;border-color:rgba(255,247,242,.6);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{
  outline:3px solid rgba(232,90,42,.35);outline-offset:2px;
}

/* ============ 徽章 / 胶囊 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:13px;font-weight:600;line-height:1.5;
}
.badge-safe{background:var(--c-accent-soft);color:#1F7A66;}
.badge-dark{background:rgba(255,255,255,.12);color:var(--c-white);}

/* ============ 头部 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,245,240,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.9);box-shadow:0 6px 22px rgba(43,27,51,.07);}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  height:72px;display:flex;align-items:center;gap:26px;
  transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:60px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--c-text);font-weight:800;font-size:19px;letter-spacing:.02em;}
.logo:hover{color:var(--c-text);}
.logo-dot{width:11px;height:11px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 0 4px rgba(232,90,42,.14);flex:none;}
.logo-sub{font-size:12px;font-weight:700;color:var(--c-primary-deep);background:var(--c-primary-soft);padding:1px 8px;border-radius:var(--r-pill);margin-left:2px;vertical-align:middle;}
.header-nav{display:flex;align-items:center;gap:22px;}
.nav-link{font-size:15px;color:var(--c-text-2);font-weight:500;padding:6px 0;border-bottom:2px solid transparent;}
.nav-link:hover{color:var(--c-primary-deep);}
.nav-link.active{color:var(--c-text);font-weight:700;border-bottom-color:var(--c-primary);}
.header-cta{margin-left:auto;display:flex;align-items:center;gap:16px;}
.header-tag{font-size:13px;color:var(--c-text-2);white-space:nowrap;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,var(--c-bg) 0%,#F7E4D8 100%);
  padding:72px 0 76px;
  text-align:center;
  border-bottom:1px solid var(--c-line);
}
.hero-bg{
  position:absolute;inset:0;
  background-position:center;background-size:cover;
  opacity:.13;filter:saturate(120%);
  pointer-events:none;
}
.hero .grid-container{position:relative;z-index:2;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.78);border:1px solid var(--c-line);
  color:var(--c-primary-deep);font-size:13px;font-weight:600;
  padding:7px 16px;border-radius:var(--r-pill);margin-bottom:22px;
  box-shadow:var(--sh-1);
}
.hero h1{max-width:900px;margin:0 auto 20px;}
.hero-lead{
  max-width:760px;margin:0 auto 30px;
  font-size:17px;color:var(--c-text-2);line-height:1.9;text-align:left;
}
.hero-search{
  max-width:660px;margin:0 auto 22px;
  display:flex;gap:10px;background:#fff;padding:8px;
  border-radius:var(--r-pill);border:1px solid var(--c-line);
  box-shadow:var(--sh-2);
}
.hero-search input{
  flex:1;border:0;background:transparent;padding:10px 18px;
  font-size:16px;color:var(--c-text);border-radius:var(--r-pill);
  min-width:0;
}
.hero-search input::placeholder{color:#A293A0;}
.hero-search input:focus{outline:none;}
.hero-search .btn{flex:none;}
.hero-quick{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;
  gap:10px;margin-bottom:36px;
}
.quick-label{font-size:13px;color:var(--c-text-2);margin-right:2px;}
.quick-pill{
  display:inline-flex;align-items:center;
  padding:6px 15px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.82);border:1px solid var(--c-line);
  font-size:13px;color:var(--c-secondary);font-weight:500;
  transition:all .2s ease;
}
.quick-pill:hover{background:var(--c-secondary);color:var(--c-white);border-color:var(--c-secondary);transform:translateY(-2px);}
.hero-stats{
  display:flex;justify-content:center;flex-wrap:wrap;gap:14px;
  max-width:860px;margin:0 auto;
}
.stat-cell{
  flex:1 1 180px;background:rgba(255,255,255,.75);
  border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:16px 18px;text-align:left;
}
.stat-cell .num{font-size:26px;font-weight:600;line-height:1.05;color:var(--c-secondary);}
.stat-cell .lbl{font-size:13px;color:var(--c-text-2);margin-top:4px;}

/* ============ 板块通用 ============ */
.section{padding:var(--pad-d) 0;}
.section-alt{background:var(--c-surface);}
.section-soft{background:var(--c-surface-2);}
.section-dark{background:var(--c-dark);color:var(--c-white);}
.section-dark h2,.section-dark h3{color:var(--c-white);}
.section-dark p{color:var(--c-white-72);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--c-primary-deep);margin-bottom:12px;text-transform:uppercase;
}
.section-dark .eyebrow{color:#F5A184;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--c-text-2);font-size:16px;text-align:left;}
.section-head.center p{text-align:center;}
.section-dark .section-head p{color:var(--c-white-72);}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;}
.section-head-row .section-head{margin-bottom:0;}

/* ============ 卡片 ============ */
.card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  padding:26px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  height:100%;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#E2D3C7;}
.card-title{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--c-text);}
.card-text{font-size:15px;color:var(--c-text-2);line-height:1.8;}
.card-ico{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary-deep);font-size:18px;margin-bottom:16px;
}

/* ============ 三步上手 ============ */
.steps-row{position:relative;}
.step-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:30px 24px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.step-num{
  font-size:44px;font-weight:800;line-height:1;color:var(--c-primary-soft);
  letter-spacing:.04em;margin-bottom:10px;
}
.step-card h3{margin-bottom:8px;}
.step-card p{font-size:15px;color:var(--c-text-2);margin:0;}
.step-card::after{
  content:"";position:absolute;top:50%;right:-32px;width:34px;height:0;
  border-top:1px dashed #DCC9BB;
}
.step-card:last-child::after{display:none;}

/* ============ 功能分组 ============ */
.feature-hero{
  background:linear-gradient(150deg,#FFFFFF 0%,#FDF1EA 100%);
  border-radius:var(--r-lg);border:1px solid var(--c-line);
  box-shadow:var(--sh-1);padding:32px;height:100%;
  display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.feature-hero:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.feature-hero .media{
  border-radius:var(--r-md);overflow:hidden;margin-bottom:22px;
  aspect-ratio:16/9;background:var(--c-surface-2);
}
.feature-hero .media img{width:100%;height:100%;object-fit:cover;}
.feature-hero h3{font-size:21px;margin-bottom:10px;}
.feature-hero p{font-size:15px;color:var(--c-text-2);}
.feature-mini{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);height:100%;
  display:flex;flex-direction:column;gap:8px;
  transition:transform .22s ease,box-shadow .22s ease;
}
.feature-mini:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.feature-mini .top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;}
.feature-tight{
  background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:20px 22px;height:100%;transition:background .22s ease,transform .22s ease;
}
.feature-tight:hover{background:#fff;transform:translateY(-3px);box-shadow:var(--sh-1);}
.feature-tight h4{font-size:16px;font-weight:700;margin-bottom:6px;display:flex;align-items:center;gap:8px;}
.feature-tight p{font-size:14px;color:var(--c-text-2);margin:0;}

/* ============ 使用场景 ============ */
.scene-row{
  display:flex;gap:36px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);
  margin-bottom:26px;
  transition:transform .22s ease,box-shadow .22s ease;
}
.scene-row:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.scene-row.rev{flex-direction:row-reverse;}
.scene-media{
  flex:0 0 42%;border-radius:var(--r-md);overflow:hidden;background:var(--c-surface-2);
  aspect-ratio:16/10;
}
.scene-media img{width:100%;height:100%;object-fit:cover;}
.scene-body{flex:1;min-width:0;}
.scene-body h3{margin-bottom:10px;}
.scene-body p{font-size:15px;color:var(--c-text-2);}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 16px;}
.scene-tag{font-size:12px;color:var(--c-text-2);background:var(--c-surface-2);border-radius:var(--r-pill);padding:3px 11px;}

/* ============ 截图演示 ============ */
.shots-wrap{display:flex;gap:20px;align-items:center;justify-content:center;flex-wrap:wrap;}
.shot{
  border-radius:18px;overflow:hidden;background:var(--c-surface-2);
  border:1px solid var(--c-line);box-shadow:var(--sh-1);
  width:200px;aspect-ratio:9/17;
  transition:transform .28s ease,box-shadow .28s ease,opacity .28s ease;
}
.shot img{width:100%;height:100%;object-fit:cover;}
.shot.side{transform:rotate(-3deg) scale(.92);opacity:.82;}
.shot.side.right{transform:rotate(3deg) scale(.92);}
.shot.center{width:224px;z-index:2;}
.shot:hover{opacity:1;transform:translateY(-4px) rotate(0) scale(1);box-shadow:var(--sh-2);}
.shot-dots{display:flex;gap:8px;justify-content:center;margin-top:26px;}
.shot-dot{width:8px;height:8px;border-radius:50%;background:#D9CABD;}
.shot-dot.on{background:var(--c-primary);width:22px;border-radius:var(--r-pill);}
.point-list{list-style:none;margin:0;padding:0;}
.point-list li{
  display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed #DCC9BB;
  font-size:15px;color:var(--c-text-2);
}
.point-list li:last-child{border-bottom:0;}
.point-list li i{color:var(--c-accent);margin-top:5px;flex:none;}

/* ============ 安全机制（深色） ============ */
.sec-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-md);padding:24px;height:100%;
  transition:background .22s ease,transform .22s ease,border-color .22s ease;
}
.sec-card:hover{background:rgba(255,255,255,.09);transform:translateY(-3px);border-color:rgba(255,255,255,.28);}
.sec-card h4{font-size:16px;font-weight:700;color:var(--c-white);margin-bottom:8px;display:flex;align-items:center;gap:9px;}
.sec-card p{font-size:14px;color:var(--c-white-72);margin:0;line-height:1.75;}
.sec-card i{color:#7FD9C4;}

/* ============ 认证时间轴 ============ */
.timeline{position:relative;padding-left:8px;}
.tl-item{position:relative;padding:0 0 30px 40px;border-left:2px dashed #E6D6C9;}
.tl-item:last-child{border-left-color:transparent;padding-bottom:0;}
.tl-dot{
  position:absolute;left:-11px;top:2px;width:20px;height:20px;border-radius:50%;
  background:var(--c-accent);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:10px;box-shadow:0 0 0 4px rgba(47,169,140,.16);
}
.tl-item h4{font-size:17px;font-weight:700;margin-bottom:6px;}
.tl-item p{font-size:15px;color:var(--c-text-2);margin:0;}
.verify-card{
  background:linear-gradient(155deg,var(--c-secondary) 0%,var(--c-secondary-2) 100%);
  border-radius:var(--r-lg);padding:34px;color:var(--c-white);
  box-shadow:var(--sh-2);text-align:center;
}
.verify-mark{
  width:74px;height:74px;border-radius:50%;margin:0 auto 18px;
  background:rgba(47,169,140,.2);border:2px solid rgba(127,217,196,.7);
  display:flex;align-items:center;justify-content:center;font-size:30px;color:#7FD9C4;
}
.verify-card h3{color:var(--c-white);margin-bottom:10px;}
.verify-card p{color:rgba(255,247,242,.74);font-size:15px;}
.verify-meta{display:flex;justify-content:center;gap:22px;margin-top:22px;flex-wrap:wrap;}
.verify-meta div{font-size:13px;color:rgba(255,247,242,.62);}
.verify-meta strong{display:block;font-size:19px;font-weight:600;color:var(--c-white);line-height:1.3;}

/* ============ 案例 ============ */
.case-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);height:100%;
  display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.case-media{aspect-ratio:4/3;background:var(--c-surface-2);overflow:hidden;}
.case-media img{width:100%;height:100%;object-fit:cover;}
.case-body{padding:24px;flex:1;display:flex;flex-direction:column;gap:10px;}
.case-tags{display:flex;flex-wrap:wrap;gap:8px;}
.case-body p{font-size:15px;color:var(--c-text-2);margin:0;}
.case-quote{
  font-size:15px;color:var(--c-text);font-weight:600;
  border-left:3px solid var(--c-primary);padding-left:12px;margin-top:auto;
}

/* ============ 价格 ============ */
.price-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:30px 26px;box-shadow:var(--sh-1);height:100%;
  display:flex;flex-direction:column;position:relative;
  transition:transform .22s ease,box-shadow .22s ease;
}
.price-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.price-card.featured{border:2px solid var(--c-primary);transform:translateY(-8px);box-shadow:var(--sh-2);}
.price-card.featured:hover{transform:translateY(-11px);}
.price-flag{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:var(--c-primary);color:#fff;font-size:12px;font-weight:700;
  padding:4px 16px;border-radius:var(--r-pill);white-space:nowrap;
}
.price-name{font-size:17px;font-weight:700;margin-bottom:6px;}
.price-desc{font-size:13px;color:var(--c-text-2);margin-bottom:18px;}
.price-num{font-size:36px;font-weight:600;line-height:1.05;color:var(--c-secondary);}
.price-num small{font-size:14px;font-weight:500;color:var(--c-text-2);margin-left:4px;}
.price-cycle{font-size:13px;color:var(--c-text-2);margin:6px 0 22px;}
.price-list{list-style:none;margin:0 0 26px;padding:0;flex:1;}
.price-list li{
  display:flex;gap:10px;font-size:14.5px;color:var(--c-text-2);
  padding:8px 0;border-bottom:1px dashed #EFE2D8;
}
.price-list li:last-child{border-bottom:0;}
.price-list li i{color:var(--c-accent);margin-top:5px;flex:none;}
.price-note{font-size:12.5px;color:var(--c-text-2);margin-top:26px;text-align:center;}

/* ============ 评价墙 ============ */
.review-cols{columns:2;column-gap:20px;}
.review-card{
  break-inside:avoid;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:20px;margin-bottom:20px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.review-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.review-top{display:flex;align-items:center;gap:11px;margin-bottom:12px;}
.avatar{
  width:38px;height:38px;border-radius:50%;flex:none;
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
}
.avatar.alt{background:var(--c-accent-soft);color:#1F7A66;}
.avatar.alt2{background:#EDE4F5;color:#5B3B75;}
.review-name{font-size:15px;font-weight:600;}
.review-stars{font-size:12px;color:#E8A33B;letter-spacing:1px;}
.review-text{font-size:14.5px;color:var(--c-text-2);line-height:1.8;margin:0 0 10px;}
.review-date{font-size:12.5px;color:#A293A0;}

/* ============ 数据条 ============ */
.metric-band{display:flex;flex-wrap:wrap;gap:0;border-radius:var(--r-lg);overflow:hidden;}
.metric-item{
  flex:1 1 25%;padding:28px 22px;text-align:left;
  border-right:1px solid rgba(43,27,51,.07);
}
.metric-item:last-child{border-right:0;}
.metric-item .num{font-size:30px;font-weight:600;line-height:1.05;color:var(--c-secondary);}
.metric-item .lbl{font-size:13px;color:var(--c-text-2);margin-top:6px;}

/* ============ 资讯列表 ============ */
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);color:var(--c-text);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);color:var(--c-text);border-color:#E2D3C7;}
.post-thumb{aspect-ratio:16/9;background:var(--c-surface-2);overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-title{
  font-size:17px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-excerpt{
  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;
}
.post-meta{display:flex;align-items:center;gap:12px;margin-top:auto;font-size:12.5px;color:#A293A0;}
.empty-state{
  text-align:center;padding:70px 20px;background:var(--c-surface);
  border:1px dashed var(--c-line);border-radius:var(--r-lg);
}
.empty-state i{font-size:34px;color:#D9CABD;margin-bottom:14px;display:block;}
.empty-state p{color:var(--c-text-2);font-size:15px;margin-bottom:14px;}

/* ============ 下载区 ============ */
.dl-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh-1);
}
.dl-row{
  display:flex;justify-content:space-between;gap:16px;
  font-size:14.5px;padding:11px 0;border-bottom:1px dashed #EFE2D8;
}
.dl-row:last-of-type{border-bottom:0;}
.dl-row span:first-child{color:var(--c-text-2);}
.dl-row span:last-child{font-weight:600;color:var(--c-text);}
.update-list{list-style:none;margin:0;padding:0;}
.update-list li{
  position:relative;padding-left:22px;margin-bottom:14px;
  font-size:15.5px;color:var(--c-text-2);
}
.update-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;
  border-radius:2px;background:var(--c-primary);
}
.dl-note{font-size:12.5px;color:var(--c-text-2);margin-top:14px;}

/* ============ FAQ ============ */
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);margin-bottom:10px;box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#E2CFC2;box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 56px 18px 22px;position:relative;
  font-size:16px;font-weight:600;color:var(--c-text);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--c-primary);line-height:1;
  transition:transform .24s ease,color .24s ease;
}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg);}
.faq-body{padding:0 22px 20px;border-top:1px solid var(--c-line);}
.faq-body p{font-size:15px;color:var(--c-text-2);margin:16px 0 0;}

/* ============ 收口 CTA ============ */
.final-cta{text-align:center;}
.final-cta h2{font-size:clamp(24px,3.2vw,36px);margin-bottom:16px;}
.final-cta p{max-width:640px;margin:0 auto 30px;font-size:16px;color:var(--c-white-72);}
.final-cta .cta-note{font-size:13px;color:rgba(255,247,242,.55);margin-top:18px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:var(--c-white);padding:64px 0 30px;}
.footer-h{font-size:15px;font-weight:700;color:var(--c-white);margin-bottom:16px;letter-spacing:.02em;}
.footer-brand .logo{color:var(--c-white);margin-bottom:16px;}
.footer-brand .logo-sub{background:rgba(255,255,255,.12);color:#F5A184;}
.footer-desc{font-size:14px;color:rgba(255,247,242,.66);line-height:1.85;max-width:330px;}
.footer-badges{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap;}
.footer-badges .badge{background:rgba(255,255,255,.1);color:rgba(255,247,242,.86);font-size:12px;}
.footer-links{list-style:none;margin:0;padding:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,247,242,.66);font-size:14px;}
.footer-links a:hover{color:#F5A184;}
.footer-info{font-size:14px;color:rgba(255,247,242,.66);line-height:1.9;}
.footer-info a{color:rgba(255,247,242,.86);}
.footer-info a:hover{color:#F5A184;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,247,242,.5);
}
.to-top{
  width:44px;height:44px;border-radius:50%;background:var(--c-primary);
  color:#fff;border:0;display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:15px;transition:background .2s ease,transform .2s ease;
}
.to-top:hover{background:var(--c-primary-deep);transform:translateY(-3px);}
.floating-top{
  position:fixed;right:24px;bottom:28px;z-index:70;
  width:44px;height:44px;border-radius:50%;background:#fff;
  border:1.5px solid var(--c-primary);color:var(--c-primary-deep);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease,transform .2s ease;
}
.floating-top.show{opacity:1;visibility:visible;}
.floating-top:hover{transform:translateY(-3px);background:var(--c-primary);color:#fff;}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  :root{--pad-d:64px;}
  .header-tag{display:none;}
  .hero{padding:56px 0 60px;}
  .scene-media{flex:0 0 44%;}
  .step-card::after{display:none;}
  .metric-item{flex:1 1 50%;border-right:0;border-bottom:1px solid rgba(43,27,51,.07);}
  .metric-item:nth-child(2n){border-right:0;}
  .price-card.featured{transform:none;}
  .price-card.featured:hover{transform:translateY(-3px);}
}
@media screen and (max-width:768px){
  :root{--pad-d:56px;}
  body{font-size:16px;}
  .header-inner{height:64px;gap:14px;}
  .site-header.is-scrolled .header-inner{height:56px;}
  .header-nav{display:none;}
  .logo{font-size:16px;}
  .logo-sub{font-size:11px;}
  .hero-search{flex-direction:column;border-radius:var(--r-lg);padding:12px;}
  .hero-search input{width:100%;text-align:center;}
  .hero-search .btn{width:100%;}
  .hero-lead{text-align:left;font-size:15.5px;}
  .hero-stats{gap:10px;}
  .stat-cell{flex:1 1 100%;}
  .scene-row,.scene-row.rev{flex-direction:column;gap:20px;padding:20px;}
  .scene-media{flex:none;width:100%;}
  .review-cols{columns:1;}
  .shot.side{transform:rotate(-3deg) scale(.86);}
  .shot.side.right{transform:rotate(3deg) scale(.86);}
  .shot{width:150px;}
  .shot.center{width:168px;}
  .section-head-row{flex-direction:column;align-items:flex-start;gap:14px;}
  .metric-item{flex:1 1 50%;}
  .footer-brand .footer-desc{max-width:100%;}
  .site-footer{padding:48px 0 24px;}
  .dl-card{padding:24px;}
  .verify-card{padding:26px;margin-top:24px;}
}
@media screen and (max-width:480px){
  :root{--pad-d:44px;}
  .hero{padding:40px 0 46px;}
  .hero-badge{font-size:12px;padding:6px 12px;}
  .hero h1{font-size:26px;}
  .shot{width:120px;}
  .shot.center{width:134px;}
  .shots-wrap{gap:10px;}
  .metric-item{flex:1 1 100%;border-right:0;}
  .btn{padding:13px 22px;font-size:15px;}
  .btn-sm{padding:9px 16px;font-size:13px;}
  .card,.feature-mini{padding:20px;}
  .price-num{font-size:30px;}
  .floating-top{right:16px;bottom:18px;}
}

/* roulang page: article */
:root{
  --c-primary:#E85A2A;
  --c-primary-deep:#C4451C;
  --c-primary-soft:#FDE9E0;
  --c-secondary:#2B1B33;
  --c-secondary-2:#3D2947;
  --c-accent:#2FA98C;
  --c-accent-soft:#E3F5F0;
  --c-bg:#FBF5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#F5EDE6;
  --c-dark:#1E1626;
  --c-text:#241C24;
  --c-text-2:#6B5F68;
  --c-line:#ECE2DA;
  --c-white:#FFF7F2;
  --c-white-72:rgba(255,247,242,.72);
  --sh-1:0 6px 18px rgba(43,27,51,.06);
  --sh-2:0 16px 40px rgba(43,27,51,.10);
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --r-pill:999px;
  --pad-d:88px;
  --pad-t:64px;
  --pad-m:48px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:inherit;}
a{color:var(--c-primary-deep);text-decoration:none;text-underline-offset:3px;transition:color .2s ease,background .2s ease;}
a:hover{color:var(--c-secondary);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-text);letter-spacing:.02em;line-height:1.35;}
h1{font-size:clamp(28px,4.2vw,44px);font-weight:800;}
h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;}
h3{font-size:19px;font-weight:600;}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.1em;padding:0;}
.grid-container{max-width:1200px;padding-left:20px;padding-right:20px;}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);border:0;cursor:pointer;
  font-size:16px;font-weight:600;line-height:1;letter-spacing:.02em;
  transition:background .22s ease,color .22s ease,box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 4px 14px rgba(232,90,42,.28);}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 2px 8px rgba(232,90,42,.3);}
.btn-ghost{background:transparent;color:var(--c-secondary);border:1.5px solid var(--c-secondary);}
.btn-ghost:hover{background:var(--c-secondary);color:var(--c-white);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-text{background:none;border:0;padding:0;color:var(--c-primary-deep);font-weight:600;font-size:15px;cursor:pointer;}
.btn-text:hover{color:var(--c-secondary);}
.btn-dark-ghost{background:transparent;color:var(--c-white);border:1.5px solid rgba(255,247,242,.35);}
.btn-dark-ghost:hover{background:rgba(255,247,242,.12);color:#fff;border-color:rgba(255,247,242,.6);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,button:focus-visible{
  outline:3px solid rgba(232,90,42,.35);outline-offset:2px;
}
/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:13px;font-weight:600;line-height:1.5;
}
.badge-safe{background:var(--c-accent-soft);color:#1F7A66;}
/* ============ 头部 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,245,240,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.92);box-shadow:0 6px 22px rgba(43,27,51,.07);}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  height:72px;display:flex;align-items:center;gap:26px;
  transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:60px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--c-text);font-weight:800;font-size:19px;letter-spacing:.02em;}
.logo:hover{color:var(--c-text);}
.logo-dot{width:11px;height:11px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 0 4px rgba(232,90,42,.14);flex:none;}
.logo-sub{font-size:12px;font-weight:700;color:var(--c-primary-deep);background:var(--c-primary-soft);padding:1px 8px;border-radius:var(--r-pill);margin-left:2px;vertical-align:middle;display:inline-block;}
.header-nav{display:flex;align-items:center;gap:22px;}
.nav-link{font-size:15px;color:var(--c-text-2);font-weight:500;padding:6px 0;border-bottom:2px solid transparent;}
.nav-link:hover{color:var(--c-primary-deep);}
.nav-link.active{color:var(--c-text);font-weight:700;border-bottom-color:var(--c-primary);}
.header-cta{margin-left:auto;display:flex;align-items:center;gap:16px;}
.header-tag{font-size:13px;color:var(--c-text-2);white-space:nowrap;}
/* ============ 面包屑 ============ */
.crumb-bar{background:var(--c-surface-2);border-bottom:1px solid var(--c-line);padding:16px 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-2);line-height:1.6;}
.crumb a{color:var(--c-text-2);}
.crumb a:hover{color:var(--c-primary-deep);}
.crumb .sep{color:#BCAEB8;}
.crumb .now{color:var(--c-text);font-weight:600;}
/* ============ 文章头 ============ */
.article-head{
  padding:52px 0 44px;
  background:linear-gradient(160deg,var(--c-bg) 0%,#F7E4D8 100%);
  border-bottom:1px solid var(--c-line);
  position:relative;overflow:hidden;
}
.article-head .head-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.10;pointer-events:none;
}
.article-head .grid-container{position:relative;z-index:2;}
.article-head h1{max-width:46em;margin:16px 0 22px;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px;font-size:13px;color:var(--c-text-2);padding-top:20px;border-top:1px solid rgba(43,27,51,.10);}
.meta-row span{display:inline-flex;align-items:center;gap:7px;}
.meta-row i{color:var(--c-primary);font-size:12px;}
/* ============ 导语 ============ */
.lead-section{padding:44px 0 8px;}
.lead-box{
  background:var(--c-surface-2);
  border-left:3px solid var(--c-primary);
  border-radius:var(--r-md);
  padding:26px 30px;
  max-width:60em;
}
.lead-box p{margin:0;font-size:17px;line-height:1.9;color:var(--c-secondary);}
/* ============ 正文布局 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;align-items:start;
  padding:36px 0 var(--pad-d);
}
.article-body{max-width:46em;font-size:17px;line-height:1.85;letter-spacing:.01em;color:var(--c-text);}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:clamp(21px,2.3vw,27px);font-weight:700;
  margin:38px 0 16px;padding-left:16px;position:relative;line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  border-radius:4px;background:var(--c-primary);
}
.article-body h3{font-size:19px;font-weight:600;margin:28px 0 12px;color:var(--c-secondary);}
.article-body p{margin:0 0 1.1em;}
.article-body strong{font-weight:700;color:var(--c-secondary);}
.article-body a{color:var(--c-primary-deep);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;}
.article-body a:hover{color:var(--c-secondary);background:var(--c-primary-soft);}
.article-body ul,.article-body ol{list-style:none;margin:0 0 1.4em;padding:0;}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:24px;margin-bottom:12px;line-height:1.8;
}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;
  border-radius:2px;background:var(--c-primary);
}
.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:.15em;
  width:16px;text-align:left;font-size:13px;font-weight:700;color:var(--c-primary-deep);
}
.article-body blockquote{
  margin:26px 0;padding:20px 26px;background:var(--c-surface-2);
  border-left:4px solid var(--c-primary);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--c-secondary);font-style:normal;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-md);margin:24px 0 10px;box-shadow:var(--sh-1);}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--c-text-2);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--c-surface-2);font-weight:600;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0;}
.empty-state{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:60px 24px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state i{font-size:34px;color:var(--c-primary);margin-bottom:14px;display:block;}
.empty-state p{color:var(--c-text-2);margin-bottom:20px;}
/* ============ 侧栏 ============ */
.article-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.aside-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sh-1);
  transition:box-shadow .22s ease,transform .22s ease;
}
.aside-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.aside-title{font-size:15px;font-weight:700;color:var(--c-secondary);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.aside-title i{color:var(--c-primary);font-size:13px;}
.aside-list{list-style:none;margin:0;padding:0;}
.aside-list li{margin-bottom:10px;}
.aside-list li:last-child{margin-bottom:0;}
.aside-list a{
  display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-text-2);
  padding:7px 10px;border-radius:var(--r-sm);transition:all .2s ease;
}
.aside-list a:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.aside-list a i{font-size:10px;color:var(--c-primary);}
.aside-download{background:var(--c-secondary);border-color:var(--c-secondary);color:var(--c-white);}
.aside-download .aside-title{color:var(--c-white);}
.aside-download .aside-title i{color:#FFB79A;}
.aside-download p{font-size:14px;color:var(--c-white-72);margin-bottom:16px;line-height:1.75;}
.aside-download .btn{width:100%;}
.aside-note{font-size:12px;color:var(--c-white-72);margin:12px 0 0;line-height:1.7;}
/* ============ 要点卡 ============ */
.key-points{background:var(--c-surface);padding:var(--pad-d) 0;border-top:1px solid var(--c-line);}
.kp-box{
  background:var(--c-primary-soft);border-radius:var(--r-lg);
  padding:36px 40px;max-width:60em;
}
.kp-box h2{font-size:22px;margin:0 0 20px;color:var(--c-primary-deep);}
.kp-list{list-style:none;margin:0;padding:0;}
.kp-list li{position:relative;padding-left:30px;margin-bottom:14px;line-height:1.8;color:var(--c-secondary);font-size:16px;}
.kp-list li:last-child{margin-bottom:0;}
.kp-list li i{position:absolute;left:0;top:4px;color:var(--c-accent);font-size:14px;}
/* ============ 标签行 ============ */
.tag-section{background:var(--c-bg);padding:0 0 var(--pad-d);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-row .tag-label{font-size:13px;color:var(--c-text-2);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;padding:6px 15px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);color:var(--c-text-2);
  font-size:13px;font-weight:500;transition:all .2s ease;
}
.tag:hover{background:var(--c-primary-soft);border-color:#F6C7B2;color:var(--c-primary-deep);}
/* ============ 相关推荐 ============ */
.related-section{background:var(--c-surface-2);padding:var(--pad-d) 0;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:32px;}
.section-head h2{margin:0;}
.section-head p{margin:6px 0 0;font-size:14px;color:var(--c-text-2);}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;color:var(--c-text);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);color:var(--c-text);}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-2);border-radius:0;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.rel-body h3{font-size:16px;line-height:1.5;margin:0;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-date{font-size:13px;color:var(--c-text-2);margin-top:auto;display:flex;align-items:center;gap:6px;}
.rel-date i{font-size:11px;color:var(--c-primary);}
/* ============ 合规提示 ============ */
.safety-strip{padding:var(--pad-d) 0 0;}
.safety-inner{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:24px 28px;box-shadow:var(--sh-1);
}
.safety-inner i{color:var(--c-accent);font-size:22px;flex:none;margin-top:2px;}
.safety-inner h3{font-size:16px;margin:0 0 6px;color:var(--c-secondary);}
.safety-inner p{margin:0;font-size:14px;color:var(--c-text-2);line-height:1.8;}
/* ============ 文末 ============ */
.article-end{padding:var(--pad-d) 0;}
.end-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:34px;}
.cta-strip{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  background:var(--c-primary-soft);border:1px solid #F6C7B2;border-radius:var(--r-lg);
  padding:30px 36px;
}
.cta-strip h3{font-size:20px;margin:0 0 6px;color:var(--c-secondary);}
.cta-strip p{margin:0;font-size:14px;color:var(--c-text-2);}
/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:var(--c-white-72);padding:64px 0 26px;margin-top:0;}
.site-footer .logo{color:var(--c-white);font-size:19px;}
.site-footer .logo:hover{color:var(--c-white);}
.site-footer .logo-sub{background:rgba(255,255,255,.12);color:#FFB79A;}
.footer-brand{margin-bottom:18px;}
.footer-desc{font-size:14px;line-height:1.85;color:var(--c-white-72);margin:16px 0 16px;max-width:34em;}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;}
.site-footer .badge{background:rgba(255,255,255,.12);color:var(--c-white);font-weight:500;}
.footer-h{font-size:15px;font-weight:700;color:var(--c-white);margin-bottom:16px;}
.footer-links{list-style:none;margin:0;padding:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:var(--c-white-72);font-size:14px;}
.footer-links a:hover{color:#FFB79A;}
.footer-info p{font-size:14px;line-height:1.8;color:var(--c-white-72);margin:0 0 10px;}
.footer-info a{color:#FFB79A;}
.footer-info a:hover{color:#fff;}
.to-top{
  width:44px;height:44px;border-radius:50%;
  border:1.5px solid rgba(255,247,242,.4);background:transparent;color:var(--c-white);
  cursor:pointer;transition:all .22s ease;font-size:15px;
}
.to-top:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;transform:translateY(-2px);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,247,242,.56);
}
/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  :root{--pad-d:64px;}
  .article-layout{grid-template-columns:1fr;gap:34px;}
  .article-aside{position:static;top:auto;flex-direction:row;flex-wrap:wrap;}
  .article-aside .aside-card{flex:1 1 260px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media screen and (max-width:768px){
  :root{--pad-d:56px;}
  body{font-size:16px;}
  .header-inner{height:64px;gap:14px;flex-wrap:nowrap;}
  .site-header.is-scrolled .header-inner{height:58px;}
  .logo{font-size:16px;}
  .header-tag{display:none;}
  .header-nav{gap:16px;}
  .nav-link{font-size:14px;}
  .article-head{padding:38px 0 32px;}
  .article-head h1{max-width:none;}
  .lead-box{padding:22px 22px;}
  .kp-box{padding:26px 22px;}
  .cta-strip{padding:24px;}
  .safety-inner{padding:20px;}
  .footer-bottom{margin-top:32px;}
}
@media screen and (max-width:520px){
  :root{--pad-d:44px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .logo-sub{display:none;}
  .header-nav{gap:12px;}
  .nav-link{font-size:13px;}
  .header-cta .btn{padding:8px 14px;font-size:13px;}
  .rel-grid{grid-template-columns:1fr;}
  .article-aside{flex-direction:column;}
  .meta-row{gap:8px 16px;}
  .end-actions .btn{width:100%;}
  .cta-strip{flex-direction:column;align-items:flex-start;}
  .cta-strip .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --c-primary:#E85A2A;
  --c-primary-deep:#C4451C;
  --c-primary-soft:#FDE9E0;
  --c-secondary:#2B1B33;
  --c-secondary-2:#3D2947;
  --c-accent:#2FA98C;
  --c-accent-soft:#E3F5F0;
  --c-bg:#FBF5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#F5EDE6;
  --c-dark:#1E1626;
  --c-text:#241C24;
  --c-text-2:#6B5F68;
  --c-line:#ECE2DA;
  --c-white:#FFF7F2;
  --c-white-72:rgba(255,247,242,.72);
  --sh-1:0 6px 18px rgba(43,27,51,.06);
  --sh-2:0 16px 40px rgba(43,27,51,.10);
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --r-pill:999px;
  --pad-d:88px;
  --pad-t:64px;
  --pad-m:48px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:inherit;}
a{color:var(--c-primary-deep);text-decoration:none;text-underline-offset:3px;transition:color .2s ease;}
a:hover{color:var(--c-secondary);text-decoration:underline;text-decoration-thickness:1px;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.02em;color:var(--c-text);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.grid-container{max-width:1200px;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto;}
.grid-container.fluid{padding-left:20px;padding-right:20px;}
.grid-x{margin-left:-10px;margin-right:-10px;}
.grid-x > .cell{padding-left:10px;padding-right:10px;}
/* ========== 按钮 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);border:0;cursor:pointer;
  font-size:16px;font-weight:600;line-height:1;letter-spacing:.02em;
  transition:background .22s ease,color .22s ease,box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 4px 14px rgba(232,90,42,.28);}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);text-decoration:none;}
.btn-primary:active{transform:translateY(1px);box-shadow:0 2px 8px rgba(232,90,42,.3);}
.btn-ghost{background:transparent;color:var(--c-secondary);border:1.5px solid var(--c-secondary);}
.btn-ghost:hover{background:var(--c-secondary);color:var(--c-white);transform:translateY(-1px);text-decoration:none;}
.btn-ghost:active{transform:translateY(1px);}
.btn-text{background:none;border:0;padding:0;color:var(--c-primary-deep);font-weight:600;font-size:15px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;}
.btn-text:hover{color:var(--c-secondary);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn:focus-visible,a:focus-visible,summary:focus-visible,button:focus-visible{
  outline:3px solid rgba(232,90,42,.35);outline-offset:2px;border-radius:var(--r-sm);
}
/* ========== 徽章 / 胶囊 ========== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:13px;font-weight:600;line-height:1.5;
}
.badge-safe{background:var(--c-accent-soft);color:#1F7A66;}
/* ========== 头部 ========== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,245,240,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.9);box-shadow:0 6px 22px rgba(43,27,51,.07);}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  height:72px;display:flex;align-items:center;gap:26px;
  transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:60px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--c-text);font-weight:800;font-size:19px;letter-spacing:.02em;text-decoration:none;}
.logo:hover{color:var(--c-text);text-decoration:none;}
.logo-dot{width:11px;height:11px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 0 4px rgba(232,90,42,.14);flex:none;}
.logo-sub{font-size:12px;font-weight:700;color:var(--c-primary-deep);background:var(--c-primary-soft);padding:1px 8px;border-radius:var(--r-pill);margin-left:4px;vertical-align:middle;}
.header-nav{display:flex;align-items:center;gap:22px;}
.nav-link{font-size:15px;color:var(--c-text-2);font-weight:500;padding:6px 0;border-bottom:2px solid transparent;text-decoration:none;}
.nav-link:hover{color:var(--c-primary-deep);text-decoration:none;}
.nav-link.active{color:var(--c-text);font-weight:700;border-bottom-color:var(--c-primary);}
.header-cta{margin-left:auto;display:flex;align-items:center;gap:16px;}
.header-tag{font-size:13px;color:var(--c-text-2);white-space:nowrap;}
/* ========== 分区 ========== */
.section{padding:var(--pad-d) 0;}
.section-tight{padding:calc(var(--pad-d) * .68) 0;}
.section-alt{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-soft{background:var(--c-surface-2);}
.sec-head{margin-bottom:36px;max-width:56em;}
.sec-title{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin-bottom:14px;}
.sec-desc{font-size:16px;color:var(--c-text-2);margin:0;max-width:48em;}
/* ========== 分类头 ========== */
.cat-hero{
  background:var(--c-surface-2);
  border-bottom:1px solid var(--c-line);
  padding:40px 0 44px;
  position:relative;
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,90,42,.16) 0%,rgba(232,90,42,0) 68%);
  pointer-events:none;
}
.cat-hero .grid-container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-text-2);margin-bottom:20px;
}
.breadcrumb a{color:var(--c-text-2);text-decoration:none;}
.breadcrumb a:hover{color:var(--c-primary-deep);}
.breadcrumb .sep{color:#C9B9AE;}
.breadcrumb .current{color:var(--c-text);font-weight:600;}
.cat-hero h1{
  font-size:clamp(26px,3.6vw,40px);
  font-weight:800;line-height:1.32;letter-spacing:.02em;
  margin:0 0 18px;max-width:24em;text-align:left;
}
.cat-lead{font-size:17px;color:var(--c-text-2);max-width:46em;margin:0 0 26px;text-align:left;line-height:1.9;}
.cat-stats{display:flex;flex-wrap:wrap;gap:10px;}
.stat-tag{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(255,255,255,.85);border:1px solid var(--c-line);
  padding:7px 16px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;color:var(--c-secondary);
}
.stat-tag i{color:var(--c-primary);font-size:12px;}
/* ========== 导览条 ========== */
.guide-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
}
.guide-label{font-size:14px;font-weight:700;color:var(--c-text);margin-right:4px;}
.chip{
  display:inline-flex;align-items:center;
  padding:7px 16px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);
  font-size:13px;color:var(--c-secondary);font-weight:500;
  text-decoration:none;transition:all .22s ease;
}
.chip:hover{background:var(--c-primary-soft);border-color:#F3C7B4;color:var(--c-primary-deep);text-decoration:none;transform:translateY(-1px);}
/* ========== 文章列表 ========== */
.post-list{margin-top:8px;}
.post-card{
  display:flex;gap:0;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);margin-bottom:22px;
  text-decoration:none;color:inherit;
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.post-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:#E3D4C8;text-decoration:none;color:inherit;}
.post-thumb{
  flex:0 0 40%;min-width:0;position:relative;background:var(--c-surface-2);overflow:hidden;
}
.post-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{flex:1;min-width:0;padding:20px 22px;display:flex;flex-direction:column;gap:10px;}
.post-body .badge{align-self:flex-start;}
.post-title{font-size:17px;font-weight:700;line-height:1.5;margin:0;color:var(--c-text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-excerpt{font-size:14px;color:var(--c-text-2);line-height:1.75;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--c-text-2);margin-top:auto;padding-top:4px;}
.post-arrow{color:var(--c-primary);font-weight:700;transition:transform .22s ease;}
.post-card:hover .post-arrow{transform:translateX(4px);}
.more-wrap{display:flex;justify-content:center;margin-top:14px;}
.empty-state{
  text-align:center;padding:56px 24px;background:var(--c-surface);
  border:1px dashed var(--c-line);border-radius:var(--r-lg);
}
.empty-state i{font-size:30px;color:#C9B9AE;display:block;margin-bottom:14px;}
.empty-state p{font-size:15px;color:var(--c-text-2);margin-bottom:16px;}
/* ========== 专题卡 ========== */
.topic-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);height:100%;
  display:flex;flex-direction:column;text-decoration:none;color:inherit;
  transition:box-shadow .22s ease,transform .22s ease;
}
.topic-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);text-decoration:none;color:inherit;}
.topic-cover{position:relative;aspect-ratio:16/9;background:var(--c-surface-2);overflow:hidden;}
.topic-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease;}
.topic-card:hover .topic-cover img{transform:scale(1.05);}
.topic-cover .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);}
.topic-body{padding:20px 22px;display:flex;flex-direction:column;gap:8px;flex:1;}
.topic-title{font-size:18px;font-weight:700;margin:0;line-height:1.5;}
.topic-desc{font-size:14px;color:var(--c-text-2);margin:0;line-height:1.75;}
.topic-more{margin-top:auto;padding-top:10px;font-size:14px;font-weight:600;color:var(--c-primary-deep);display:inline-flex;align-items:center;gap:6px;}
/* ========== 数据条 ========== */
.stat-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:var(--c-surface-2);border-radius:var(--r-lg);
  padding:34px 12px;border:1px solid var(--c-line);
}
.stat-item{text-align:center;padding:6px 14px;border-right:1px solid #E8DCD2;}
.stat-item:last-child{border-right:0;}
.stat-num{font-size:clamp(24px,2.8vw,32px);font-weight:600;line-height:1.05;color:var(--c-primary-deep);letter-spacing:-.01em;}
.stat-lab{font-size:13px;color:var(--c-text-2);margin-top:10px;}
/* ========== FAQ ========== */
.faq{max-width:900px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  margin-bottom:10px;box-shadow:var(--sh-1);overflow:hidden;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-item[open]{box-shadow:var(--sh-2);border-color:#E3D4C8;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 56px 18px 22px;position:relative;
  font-size:16px;font-weight:600;color:var(--c-text);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;line-height:24px;text-align:center;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:17px;font-weight:700;transition:transform .24s ease,background .24s ease;
}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg);}
.faq-a{padding:0 22px 20px;font-size:15px;color:var(--c-text-2);line-height:1.85;}
.faq-a p{margin:0;}
/* ========== 频道入口 ========== */
.channel-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.channel-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 22px;border-radius:var(--r-pill);
  background:transparent;border:1.5px solid var(--c-secondary);
  color:var(--c-secondary);font-size:14px;font-weight:600;
  text-decoration:none;transition:all .22s ease;
}
.channel-pill:hover{background:var(--c-secondary);color:var(--c-white);text-decoration:none;transform:translateY(-1px);}
.channel-pill i{font-size:12px;opacity:.8;}
.cta-bar{
  background:var(--c-primary-soft);border:1px solid #F3C7B4;border-radius:var(--r-lg);
  padding:26px 30px;display:flex;flex-wrap:wrap;align-items:center;gap:20px;justify-content:space-between;
}
.cta-bar h3{font-size:19px;font-weight:700;margin:0 0 6px;}
.cta-bar p{font-size:14px;color:var(--c-text-2);margin:0;}
/* ========== 页脚 ========== */
.site-footer{background:var(--c-dark);color:var(--c-white);padding:64px 0 26px;margin-top:0;}
.site-footer .logo{color:var(--c-white);}
.site-footer .logo:hover{color:var(--c-white);}
.footer-brand .logo{margin-bottom:16px;}
.footer-desc{font-size:14px;line-height:1.8;color:var(--c-white-72);margin:0 0 16px;max-width:34em;}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;}
.footer-badges .badge{background:rgba(255,255,255,.12);color:var(--c-white);font-size:12px;padding:4px 12px;}
.footer-h{font-size:14px;font-weight:700;color:var(--c-white);margin-bottom:14px;letter-spacing:.04em;}
.footer-links li{margin-bottom:9px;}
.footer-links a{font-size:14px;color:var(--c-white-72);text-decoration:none;}
.footer-links a:hover{color:var(--c-primary);text-decoration:none;}
.footer-info p{font-size:13px;line-height:1.8;color:var(--c-white-72);margin:0 0 10px;}
.footer-info a{color:#F5A98A;}
.footer-info a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,247,242,.12);margin-top:40px;padding-top:20px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,247,242,.55);
}
.to-top{
  width:44px;height:44px;border-radius:50%;
  background:transparent;border:1px solid rgba(255,247,242,.35);color:var(--c-white);
  cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  transition:all .22s ease;
}
.to-top:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;transform:translateY(-2px);}
/* ========== 响应式 ========== */
@media screen and (max-width:1024px){
  :root{--pad-d:64px;}
  .header-tag{display:none;}
  .post-thumb{flex:0 0 38%;}
  .stat-band{grid-template-columns:repeat(2,1fr);gap:18px 0;padding:28px 8px;}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){padding-bottom:18px;}
}
@media screen and (max-width:768px){
  :root{--pad-d:52px;}
  body{font-size:16px;}
  .header-inner{height:64px;gap:14px;}
  .site-header.is-scrolled .header-inner{height:58px;}
  .header-nav{gap:14px;}
  .nav-link{font-size:14px;}
  .logo{font-size:16px;}
  .cat-hero{padding:30px 0 34px;}
  .cat-lead{font-size:16px;}
  .post-card{flex-direction:column;}
  .post-thumb{flex:none;width:100%;aspect-ratio:16/9;}
  .post-thumb img{height:100%;}
  .post-body{padding:18px;}
  .topic-cover{aspect-ratio:16/9;}
  .cta-bar{padding:22px;flex-direction:column;align-items:flex-start;}
  .section{padding:var(--pad-d) 0;}
  .site-footer{padding:48px 0 22px;}
  .footer-brand{margin-bottom:8px;}
  .footer-bottom{flex-direction:column;}
}
@media screen and (max-width:520px){
  :root{--pad-d:44px;}
  .header-inner{padding:0 14px;gap:10px;}
  .grid-container{padding-left:14px;padding-right:14px;}
  .header-nav{gap:10px;}
  .nav-link{font-size:13px;}
  .logo{font-size:15px;}
  .logo-sub{display:none;}
  .header-cta .btn{padding:9px 14px;font-size:13px;}
  .cat-hero h1{font-size:24px;}
  .stat-band{grid-template-columns:1fr;gap:0;}
  .stat-item{border-right:0;padding:14px 10px;border-bottom:1px solid #E8DCD2;}
  .stat-item:last-child{border-bottom:0;}
  .post-title{font-size:16px;}
  .btn{font-size:15px;padding:13px 22px;}
  .faq-item summary{font-size:15px;padding:16px 50px 16px 16px;}
  .faq-a{padding:0 16px 18px;}
}