/* roulang page: index */
:root{
  --brand-500:#FF6A2B;
  --brand-600:#F2541B;
  --brand-300:#FFA45C;
  --accent-500:#16B981;
  --accent-soft:#E7F8F1;
  --badge-yellow:#FFC53D;
  --bg:#FFF7F1;
  --surface:#FFFFFF;
  --ink-bg:#2A1A12;
  --ink:#241A14;
  --ink-2:#6B5A4E;
  --line:#F0E2D6;
  --grad:linear-gradient(115deg,#FF6A2B 0%,#FF9A3C 55%,#FFC53D 100%);
  --grad-accent:linear-gradient(115deg,#16B981 0%,#5BD3A6 100%);
  --r-xl:24px;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:14px;
  --r-pill:999px;
  --sh:0 12px 32px rgba(255,106,43,.12);
  --sh-hover:0 18px 40px rgba(255,106,43,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-500);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0 0 14px;color:var(--ink);letter-spacing:-.2px;}
h1{font-size:clamp(30px,4.4vw,46px);line-height:1.2;font-weight:800;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:800;}
h3{font-size:21px;line-height:1.4;font-weight:700;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(255,197,61,.6);border-radius:8px;}

.container{max-width:1200px;padding-left:18px;padding-right:18px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,247,241,.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
  box-shadow:0 8px 18px rgba(255,106,43,.35);
}
.brand-name{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.5px;}
.brand-sub{display:block;font-size:11px;color:var(--ink-2);letter-spacing:2px;line-height:1;font-weight:600;}

/* ============ 按钮 ============ */
.btn-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:700;letter-spacing:.3px;
  padding:11px 24px;border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;line-height:1.2;min-height:44px;
}
.btn-brand{background:var(--grad);background-size:160% 100%;color:#fff;box-shadow:0 10px 24px rgba(255,106,43,.28);}
.btn-brand:hover,.btn-brand:active{color:#fff;transform:translateY(-2px);background-position:100% 0;box-shadow:0 16px 34px rgba(255,106,43,.38);}
.btn-ghost{background:transparent;color:var(--brand-600);border-color:var(--brand-500);}
.btn-ghost:hover{background:#FFF0E6;color:var(--brand-600);transform:translateY(-2px);}
.btn-sm-nav{padding:10px 20px;font-size:15px;}
.btn-lg{padding:14px 30px;font-size:17px;}

/* ============ 通用板块 ============ */
.section{padding:72px 0;}
.section-tight{padding:52px 0;}
.section-alt{background:#FFFCF9;}
.sec-head{max-width:760px;margin-bottom:38px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  background:#FFF0E6;color:var(--brand-600);
  border-radius:var(--r-pill);padding:6px 14px;font-size:13px;font-weight:700;
  letter-spacing:1px;margin-bottom:14px;
}
.eyebrow i{font-size:12px;}
.lead{font-size:17px;color:var(--ink-2);}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:74px 0 64px;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(118deg,rgba(255,247,241,.96) 0%,rgba(255,247,241,.86) 46%,rgba(255,197,61,.42) 100%),
    url('/assets/images/backpic/back-1.jpg');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;width:520px;height:520px;right:-160px;top:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,154,60,.35),rgba(255,154,60,0) 70%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start;}
.hero h1{margin-bottom:16px;}
.hero-sub{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:14px;}
.hero-copy{color:var(--ink-2);font-size:16.5px;max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 30px;}
.hero-kpis{display:flex;flex-wrap:wrap;gap:12px;}
.kpi{
  background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:var(--r-md);
  padding:12px 18px;min-width:150px;box-shadow:0 8px 20px rgba(255,106,43,.10);
}
.kpi b{display:block;font-size:24px;font-weight:800;line-height:1.2;color:var(--brand-600);}
.kpi span{font-size:12.5px;color:var(--ink-2);letter-spacing:.6px;}

/* 拼团卡 */
.group-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:26px;box-shadow:var(--sh);
}
.group-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.badge-live{
  display:inline-flex;align-items:center;gap:6px;background:var(--accent-soft);color:#0E8C61;
  border-radius:var(--r-pill);padding:5px 13px;font-size:12.5px;font-weight:700;letter-spacing:.6px;
}
.badge-live i{font-size:11px;}
.group-need{font-size:13px;color:var(--ink-2);}
.group-need b{color:var(--brand-600);font-size:19px;font-weight:800;}
.group-card h3{font-size:20px;margin-bottom:8px;}
.group-desc{font-size:14.5px;color:var(--ink-2);margin-bottom:16px;}
.bar{
  width:100%;height:11px;border-radius:999px;background:#F7E8DC;overflow:hidden;
}
.bar > i{display:block;height:100%;border-radius:999px;background:var(--grad);}
.bar-meta{display:flex;justify-content:space-between;font-size:12.5px;color:var(--ink-2);margin-top:8px;}
.avatars{display:flex;align-items:center;gap:10px;margin:18px 0 14px;}
.avatars .face{
  width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:14px;border:2px solid #fff;margin-left:-10px;
  background:linear-gradient(135deg,#FF9A3C,#FF6A2B);
}
.avatars .face:first-child{margin-left:0;}
.avatars .face:nth-child(2){background:linear-gradient(135deg,#FFC53D,#FF9A3C);}
.avatars .face:nth-child(3){background:linear-gradient(135deg,#5BD3A6,#16B981);}
.avatars .face:nth-child(4){background:linear-gradient(135deg,#FFA45C,#F2541B);}
.avatars .face:nth-child(5){background:linear-gradient(135deg,#FF9A3C,#FFC53D);}
.avatars span{font-size:13px;color:var(--ink-2);}
.group-list li{
  display:flex;align-items:center;gap:9px;font-size:14.5px;color:var(--ink);
  padding:8px 0;border-top:1px dashed var(--line);
}
.group-list li i{color:var(--accent-500);font-size:13px;}

/* ============ 卡片通用 ============ */
.card-soft{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:0 8px 22px rgba(255,106,43,.08);height:100%;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.card-soft:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.icon-round{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:#FFF0E6;color:var(--brand-600);font-size:19px;margin-bottom:16px;
}
.icon-round.green{background:var(--accent-soft);color:#0E8C61;}
.icon-round.yellow{background:#FFF6DC;color:#A67500;}
.card-soft h3{font-size:18.5px;margin-bottom:8px;}
.card-soft p{font-size:14.8px;color:var(--ink-2);}

/* ============ 检查项清单 ============ */
.check-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:34px;box-shadow:var(--sh);
}
.check-item{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line);
}
.check-item:last-child{border-bottom:none;padding-bottom:0;}
.check-item:first-child{padding-top:0;}
.check-mark{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--accent-soft);
  color:#0E8C61;display:flex;align-items:center;justify-content:center;font-size:12px;margin-top:3px;
}
.check-item h4{font-size:16.5px;font-weight:700;margin:0 0 4px;}
.check-item p{font-size:14.5px;color:var(--ink-2);margin:0;}

/* ============ 徽章条 ============ */
.badge-strip{display:flex;flex-wrap:wrap;gap:12px;}
.badge-item{
  display:inline-flex;align-items:center;gap:9px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-pill);padding:10px 20px;
  font-size:14.5px;font-weight:600;box-shadow:0 6px 16px rgba(255,106,43,.07);
}
.badge-item i{color:var(--accent-500);}
.badge-item.gold{background:#FFF9E8;border-color:#F5E2AE;}
.badge-item.gold i{color:#C8930A;}
.badge-item.grad{background:var(--grad);color:#fff;border:none;box-shadow:0 10px 22px rgba(255,106,43,.3);}
.badge-item.grad i{color:#fff;}

/* ============ 边界提示 ============ */
.warn-card{
  background:#FFFDF5;border:1px solid #F5E7C0;border-radius:var(--r-lg);
  padding:22px 24px;height:100%;transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.warn-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(255,197,61,.22);}
.warn-card h3{font-size:17px;display:flex;align-items:center;gap:9px;margin-bottom:8px;}
.warn-card h3 i{color:#C8930A;}
.warn-card p{font-size:14.5px;color:var(--ink-2);}

/* ============ 分类入口卡 ============ */
.cat-card{
  display:grid;grid-template-columns:340px 1fr;gap:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.cat-media{position:relative;min-height:250px;overflow:hidden;}
.cat-media img{width:100%;height:100%;object-fit:cover;object-position:center;transition:transform .2s var(--ease);}
.cat-card:hover .cat-media img{transform:scale(1.03);}
.cat-media::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(255,106,43,.22),rgba(255,197,61,.10));}
.cat-body{padding:30px 32px;display:flex;flex-direction:column;justify-content:center;}
.cat-body h3{font-size:24px;margin-bottom:10px;}
.cat-body p{color:var(--ink-2);font-size:15px;}
.cat-tags{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 18px;}
.tag{
  display:inline-flex;align-items:center;background:#FFF0E6;color:var(--brand-600);
  border-radius:var(--r-pill);padding:5px 13px;font-size:12.5px;font-weight:700;
}
.tag.green{background:var(--accent-soft);color:#0E8C61;}
.tag.yellow{background:#FFF6DC;color:#A67500;}

/* ============ 步骤条 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 22px;box-shadow:0 8px 22px rgba(255,106,43,.08);position:relative;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.step-no{
  width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;
  box-shadow:0 10px 22px rgba(255,106,43,.3);margin-bottom:16px;
}
.step h3{font-size:17.5px;margin-bottom:6px;}
.step p{font-size:14.5px;color:var(--ink-2);}

/* ============ 数据卡 ============ */
.metric{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;height:100%;box-shadow:0 8px 22px rgba(255,106,43,.08);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.metric b{display:block;font-size:38px;font-weight:800;line-height:1.1;color:var(--brand-600);}
.metric b small{font-size:15px;font-weight:700;color:var(--ink-2);margin-left:3px;}
.metric span{display:block;font-size:14px;color:var(--ink-2);margin-top:8px;}
.metric .mini-bar{height:8px;border-radius:999px;background:#F7E8DC;margin-top:14px;overflow:hidden;}
.metric .mini-bar i{display:block;height:100%;border-radius:999px;background:var(--grad-accent);}

/* ============ 证言 ============ */
.quote-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;height:100%;box-shadow:0 8px 22px rgba(255,106,43,.08);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.quote-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.quote-face{
  width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:16px;background:linear-gradient(135deg,#FF9A3C,#FF6A2B);
}
.quote-face.g2{background:linear-gradient(135deg,#FFC53D,#FF9A3C);}
.quote-face.g3{background:linear-gradient(135deg,#5BD3A6,#16B981);}
.quote-face.g4{background:linear-gradient(135deg,#FFA45C,#F2541B);}
.quote-name{font-weight:700;font-size:15.5px;}
.quote-role{font-size:12.5px;color:var(--ink-2);}
.stars{color:var(--badge-yellow);font-size:13px;margin-bottom:10px;letter-spacing:2px;}
.quote-card p{font-size:15px;color:var(--ink-2);}

/* ============ 人群卡 ============ */
.persona{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;height:100%;transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.persona:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.persona i.p-ico{
  width:44px;height:44px;border-radius:13px;background:#FFF0E6;color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:14px;
}
.persona h3{font-size:17px;margin-bottom:6px;}
.persona p{font-size:14.5px;color:var(--ink-2);}

/* ============ 文章卡 ============ */
.post-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  box-shadow:0 8px 22px rgba(255,106,43,.08);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.post-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1;}
.post-body h3{font-size:17.5px;margin:0;line-height:1.45;}
.post-meta{font-size:12.5px;color:var(--ink-2);display:flex;gap:12px;align-items:center;margin-top:auto;}
.post-body p{font-size:14.5px;color:var(--ink-2);margin:0;}

/* ============ 深色数据带 ============ */
.dark-band{
  background:var(--ink-bg);
  background-image:radial-gradient(circle at 12% 20%,rgba(255,106,43,.35),rgba(255,106,43,0) 55%),
                   radial-gradient(circle at 88% 80%,rgba(255,197,61,.22),rgba(255,197,61,0) 55%);
  color:#FFF3E8;padding:64px 0;
}
.dark-band h2{color:#FFF7F1;}
.dark-band p{color:rgba(255,243,232,.72);}
.dark-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:34px;}
.dark-stat{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-md);padding:22px;
}
.dark-stat b{display:block;font-size:30px;font-weight:800;color:#FFC53D;line-height:1.15;}
.dark-stat span{font-size:13.5px;color:rgba(255,243,232,.7);}

/* ============ 时间轴 ============ */
.timeline{position:relative;padding-left:26px;}
.timeline::before{
  content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,#FF6A2B,#FFC53D);
}
.tl-item{position:relative;padding:0 0 24px 12px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:7px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--brand-500);
}
.tl-item h4{font-size:16.5px;font-weight:700;margin:0 0 4px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.tl-item p{font-size:14.5px;color:var(--ink-2);margin:0;}

/* ============ 对比表 ============ */
.compare-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh);
}
.compare-row{
  display:grid;grid-template-columns:1.3fr 1fr 1fr;align-items:center;
  padding:16px 26px;border-bottom:1px solid var(--line);font-size:15px;
}
.compare-row:last-child{border-bottom:none;}
.compare-row.head{background:#FFF6EE;font-weight:800;font-size:14px;letter-spacing:.5px;color:var(--ink-2);}
.compare-row .yes{color:#0E8C61;font-weight:700;}
.compare-row .no{color:#B5A79B;font-weight:700;}
.compare-row .yes i,.compare-row .no i{margin-right:6px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item{
  border:none;background:var(--surface);border-radius:var(--r-md)!important;
  margin-bottom:14px;box-shadow:0 8px 22px rgba(255,106,43,.08);overflow:hidden;
}
.accordion-button{
  background:var(--surface);font-weight:700;font-size:16.5px;color:var(--ink);
  padding:20px 24px;border-radius:var(--r-md)!important;
}
.accordion-button:not(.collapsed){color:var(--brand-600);background:#FFF8F2;box-shadow:none;}
.accordion-button:focus{box-shadow:none;}
.accordion-button::after{
  background-image:none;content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--brand-500);width:auto;height:auto;transform:none;
  display:flex;align-items:center;justify-content:center;
}
.accordion-button:not(.collapsed)::after{content:"\f068";transform:none;}
.accordion-body{padding:0 24px 22px;font-size:15px;color:var(--ink-2);border-left:none;}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:4px solid transparent;border-image:var(--grad) 1;}

/* ============ 表单 ============ */
.form-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:34px;box-shadow:var(--sh);
}
.form-label{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:7px;display:block;}
.form-control,.form-select{
  border-radius:var(--r-sm);border:1.5px solid var(--line);padding:12px 16px;
  font-size:15px;color:var(--ink);background:#FFFDFB;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.form-control:focus,.form-select:focus{
  border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(255,106,43,.14);background:#fff;
}
.form-control::placeholder{color:#B5A79B;}
.trust-list li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--ink-2);padding:7px 0;}
.trust-list li i{color:var(--accent-500);}

/* ============ 页脚 ============ */
.site-footer{
  background:linear-gradient(160deg,#2A1A12 0%,#3A2418 100%);
  color:rgba(255,243,232,.78);padding:60px 0 26px;margin-top:0;
}
.site-footer h4{color:#FFF7F1;font-size:16px;font-weight:800;margin-bottom:16px;letter-spacing:.5px;}
.site-footer a{color:rgba(255,243,232,.72);font-size:14.5px;}
.site-footer a:hover{color:var(--badge-yellow);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-mark{
  width:36px;height:36px;border-radius:11px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
}
.footer-brand b{font-size:19px;color:#FFF7F1;font-weight:800;letter-spacing:.5px;}
.footer-list li{margin-bottom:10px;}
.footer-note{font-size:14px;line-height:1.8;color:rgba(255,243,232,.62);}
.footer-bottom{
  border-top:1px solid rgba(255,243,232,.14);margin-top:40px;padding-top:22px;
  font-size:13.5px;color:rgba(255,243,232,.55);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .cat-card{grid-template-columns:1fr;}
  .cat-media{min-height:210px;}
  .dark-stats{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .section{padding:56px 0;}
  .hero{padding:56px 0 48px;}
  .hero-copy{font-size:16px;}
  .compare-row{grid-template-columns:1.2fr 1fr 1fr;padding:14px 18px;font-size:14px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .section{padding:46px 0;}
  .hero{padding:46px 0 42px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{flex:1 1 auto;}
  .steps{grid-template-columns:1fr;}
  .dark-stats{grid-template-columns:1fr;}
  .cat-body{padding:24px 22px;}
  .check-panel,.form-panel,.group-card{padding:24px;}
  .compare-row{grid-template-columns:1fr;gap:6px;text-align:left;}
  .compare-row.head{display:none;}
  .compare-row .yes::before{content:"免费之家：";color:var(--ink-2);font-weight:700;}
  .compare-row .no::before{content:"普通聚合页：";color:var(--ink-2);font-weight:700;}
}
@media (max-width:575.98px){
  .container{padding-left:15px;padding-right:15px;}
  .brand-name{font-size:17px;}
  .brand-sub{font-size:10px;letter-spacing:1.5px;}
  .btn-sm-nav{padding:9px 15px;font-size:14px;}
  .kpi{min-width:130px;padding:10px 14px;}
  .kpi b{font-size:21px;}
  .metric b{font-size:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
 --brand-500:#FF6A2B;
 --brand-600:#F2541B;
 --brand-300:#FFA45C;
 --accent-500:#16B981;
 --accent-soft:#E7F8F1;
 --badge-yellow:#FFC53D;
 --bg:#FFF7F1;
 --surface:#FFFFFF;
 --ink-bg:#2A1A12;
 --ink:#241A14;
 --ink-2:#6B5A4E;
 --line:#F0E2D6;
 --grad:linear-gradient(115deg,#FF6A2B 0%,#FF9A3C 55%,#FFC53D 100%);
 --grad-accent:linear-gradient(115deg,#16B981 0%,#5BD3A6 100%);
 --r-xl:24px;
 --r-lg:22px;
 --r-md:16px;
 --r-sm:14px;
 --r-pill:999px;
 --sh:0 12px 32px rgba(255,106,43,.12);
 --sh-hover:0 18px 40px rgba(255,106,43,.20);
 --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
 font-size:16.5px;
 line-height:1.75;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-500);}
img{max-width:100%;display:block;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.3;font-weight:800;color:var(--ink);}
h1{font-size:clamp(30px,4.4vw,46px);line-height:1.2;}
h2{font-size:clamp(24px,3vw,34px);}
h3{font-size:20px;font-weight:700;}
p{margin:0 0 14px;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(255,197,61,.6);outline-offset:2px;border-radius:8px;}
.container{max-width:1200px;padding-left:18px;padding-right:18px;}
.btn-brand,.btn-ghost{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:var(--r-pill);font-weight:700;letter-spacing:.3px;
 padding:11px 24px;border:1.5px solid transparent;cursor:pointer;
 transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
 white-space:nowrap;line-height:1.2;min-height:44px;
}
.btn-brand{background:var(--grad);background-size:160% 100%;color:#fff;box-shadow:0 10px 24px rgba(255,106,43,.28);}
.btn-brand:hover,.btn-brand:active{color:#fff;transform:translateY(-2px);background-position:100% 0;box-shadow:0 16px 34px rgba(255,106,43,.38);}
.btn-ghost{background:transparent;color:var(--brand-600);border-color:var(--brand-500);}
.btn-ghost:hover{background:#FFF0E6;color:var(--brand-600);transform:translateY(-2px);}
.btn-sm-nav{padding:10px 20px;font-size:15px;}
.btn-lg{padding:14px 30px;font-size:17px;}
/* ============ 顶部导航 ============ */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(255,247,241,.86);
 backdrop-filter:blur(10px);
 -webkit-backdrop-filter:blur(10px);
 border-bottom:1px solid var(--line);
}
.nav-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
 width:36px;height:36px;border-radius:11px;background:var(--grad);
 display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
 box-shadow:0 8px 18px rgba(255,106,43,.35);
}
.brand-name{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.5px;}
.brand-sub{display:block;font-size:11px;color:var(--ink-2);letter-spacing:2px;line-height:1;font-weight:600;}
/* ============ 分类头部 ============ */
.cat-hero{
 position:relative;overflow:hidden;padding:46px 0 42px;
 background:linear-gradient(120deg,#FFF1E6 0%,#FFF7F1 48%,#FFEFD6 100%);
 border-bottom:1px solid var(--line);
}
.cat-hero::after{
 content:"";position:absolute;width:430px;height:430px;right:-150px;top:-215px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,154,60,.32),rgba(255,154,60,0) 70%);
 pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2;}
.eyebrow{
 display:inline-flex;align-items:center;gap:7px;
 background:#FFF0E6;color:var(--brand-600);
 border-radius:var(--r-pill);padding:6px 14px;font-size:13px;font-weight:700;
 letter-spacing:1px;margin-bottom:14px;
}
.eyebrow i{font-size:12px;}
.cat-hero h1{margin-bottom:12px;}
.cat-hero p.cat-desc{max-width:760px;color:var(--ink-2);font-size:16.5px;margin-bottom:20px;}
.trust-checks{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.trust-checks span{
 display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
 border-radius:var(--r-pill);padding:8px 16px;font-size:13.5px;font-weight:600;color:var(--ink-2);
 box-shadow:0 6px 16px rgba(255,106,43,.06);
}
.trust-checks i{color:var(--accent-500);font-size:12px;}
.stat-badges{display:flex;flex-wrap:wrap;gap:12px;}
.stat-badge{
 background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px 22px;
 box-shadow:0 8px 22px rgba(255,106,43,.08);min-width:150px;
}
.stat-badge b{
 display:block;font-size:24px;font-weight:800;color:var(--brand-600);
 font-variant-numeric:tabular-nums;line-height:1.25;
}
.stat-badge span{font-size:12.5px;color:var(--ink-2);letter-spacing:.6px;}
/* ============ 通用板块 ============ */
.section{padding:64px 0;}
.section-tight{padding:48px 0;}
.section-alt{background:#FFFCF9;}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{margin-bottom:10px;}
.section-head p{color:var(--ink-2);margin:0;}
/* ============ 工具栏 ============ */
.toolbar{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
 padding:18px 20px;box-shadow:0 8px 22px rgba(255,106,43,.08);margin-bottom:26px;
 display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.chip-row{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;flex:1 1 auto;min-width:0;}
.chip-row::-webkit-scrollbar{display:none;}
.chip{
 flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;
 padding:9px 18px;border-radius:var(--r-pill);border:1px solid var(--line);
 background:#fff;font-size:14px;font-weight:600;color:var(--ink-2);cursor:pointer;
 transition:all .2s var(--ease);min-height:44px;
}
.chip:hover{border-color:var(--brand-300);color:var(--brand-600);background:#FFF8F3;}
.chip.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(255,106,43,.28);}
.sort-box{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.sort-box label{font-size:13.5px;color:var(--ink-2);font-weight:600;white-space:nowrap;}
.sort-box .form-select{
 border-radius:var(--r-pill);border:1.5px solid var(--line);font-size:14px;
 padding:10px 38px 10px 18px;min-height:44px;color:var(--ink);font-weight:600;
 background-color:#fff;box-shadow:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.sort-box .form-select:focus{border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(255,106,43,.14);}
/* ============ 资源卡片 ============ */
.res-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
 overflow:hidden;height:100%;display:flex;flex-direction:column;
 box-shadow:0 8px 22px rgba(255,106,43,.08);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.res-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.res-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#FFE9DA;}
.res-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.res-card:hover .res-thumb img{transform:scale(1.03);}
.res-thumb::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(42,26,18,0) 45%,rgba(42,26,18,.45) 100%);
}
.res-tag{
 position:absolute;left:14px;top:14px;z-index:2;
 background:rgba(255,255,255,.92);color:var(--brand-600);
 border-radius:var(--r-pill);padding:5px 13px;font-size:12px;font-weight:700;letter-spacing:.6px;
}
.res-tag.free{background:var(--grad-accent);color:#fff;}
.res-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.res-body h3{font-size:17.5px;margin-bottom:8px;}
.res-body p{font-size:14.5px;color:var(--ink-2);margin-bottom:14px;flex:1 1 auto;}
.res-meta{
 display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
 border-top:1px dashed var(--line);padding-top:12px;font-size:13px;color:var(--ink-2);
}
.res-meta i{color:var(--brand-300);margin-right:5px;}
.res-left{font-weight:700;color:#0E8C61;background:var(--accent-soft);border-radius:var(--r-pill);padding:3px 11px;font-size:12.5px;}
.res-left.warn{color:#9A6A00;background:#FFF6DE;}
/* ============ 领取步骤 ============ */
.step-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.step-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
 padding:22px 24px;display:flex;gap:16px;align-items:flex-start;
 box-shadow:0 8px 22px rgba(255,106,43,.07);height:100%;
 transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.step-no{
 flex:0 0 auto;width:40px;height:40px;border-radius:12px;background:var(--grad);color:#fff;
 display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;
 font-variant-numeric:tabular-nums;box-shadow:0 8px 18px rgba(255,106,43,.30);
}
.step-item h3{font-size:16.5px;margin-bottom:6px;}
.step-item p{font-size:14.5px;color:var(--ink-2);margin:0;}
/* ============ 指标条 ============ */
.metric-bar{
 background:var(--ink-bg);border-radius:var(--r-xl);padding:34px 30px;
 display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
 box-shadow:0 18px 40px rgba(42,26,18,.28);position:relative;overflow:hidden;
}
.metric-bar::before{
 content:"";position:absolute;width:400px;height:400px;left:-140px;bottom:-220px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,154,60,.28),rgba(255,154,60,0) 70%);
}
.metric-cell{position:relative;z-index:2;}
.metric-cell b{
 display:block;font-size:clamp(26px,3vw,34px);font-weight:800;color:#fff;
 font-variant-numeric:tabular-nums;line-height:1.2;
}
.metric-cell b em{font-style:normal;font-size:15px;font-weight:700;color:var(--brand-300);margin-left:4px;}
.metric-cell span{display:block;font-size:13.5px;color:rgba(255,247,241,.72);margin-top:4px;}
/* ============ FAQ ============ */
.faq-acc .accordion-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
 margin-bottom:14px;overflow:hidden;position:relative;
 box-shadow:0 8px 22px rgba(255,106,43,.07);
}
.faq-acc .accordion-item::before{
 content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);
 opacity:0;transition:opacity .25s var(--ease);z-index:2;
}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed))::before{opacity:1;}
.faq-acc .accordion-button{
 background:transparent;border:none;box-shadow:none;color:var(--ink);
 font-size:16.5px;font-weight:700;padding:20px 24px;border-radius:var(--r-md);gap:14px;
 transition:background .2s var(--ease),color .2s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand-600);background:#FFF8F3;}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 4px rgba(255,197,61,.35);}
.faq-acc .accordion-button::after{display:none;}
.faq-acc .faq-icon{margin-left:auto;font-size:22px;line-height:1;color:var(--brand-500);font-weight:700;}
.faq-acc .accordion-button .faq-icon::before{content:"+";}
.faq-acc .accordion-button:not(.collapsed) .faq-icon::before{content:"−";}
.faq-acc .accordion-body{
 padding:4px 24px 22px;font-size:15px;color:var(--ink-2);
}
/* ============ 文章卡 ============ */
.art-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
 overflow:hidden;height:100%;display:flex;flex-direction:column;
 box-shadow:0 8px 22px rgba(255,106,43,.08);
 transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.art-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.art-thumb{aspect-ratio:16/9;overflow:hidden;background:#FFE9DA;}
.art-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.art-card:hover .art-thumb img{transform:scale(1.03);}
.art-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.art-body h3{font-size:17px;margin-bottom:8px;}
.art-body h3 a{color:var(--ink);}
.art-body h3 a:hover{color:var(--brand-600);}
.art-body p{font-size:14.5px;color:var(--ink-2);flex:1 1 auto;}
.art-date{font-size:13px;color:var(--ink-2);border-top:1px dashed var(--line);padding-top:12px;}
.art-date i{color:var(--brand-300);margin-right:6px;}
/* ============ 订阅表单 ============ */
.subscribe-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
 padding:32px;box-shadow:var(--sh);
}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap;}
.subscribe-form .form-control{
 flex:1 1 240px;min-height:48px;border-radius:var(--r-pill);
 border:1.5px solid var(--line);padding:10px 20px;font-size:15px;background:#FFFDFB;
 transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.subscribe-form .form-control:focus{border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(255,106,43,.14);background:#fff;}
.trust-mini{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.trust-mini span{
 display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--ink-2);
 background:#FFF8F3;border:1px solid var(--line);border-radius:var(--r-pill);padding:7px 15px;
}
.trust-mini i{color:var(--accent-500);}
/* ============ 底部 CTA 条 ============ */
.cta-strip{
 background:var(--grad);border-radius:var(--r-xl);padding:26px 30px;
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
 box-shadow:0 18px 40px rgba(255,106,43,.28);
}
.cta-strip h2{color:#fff;font-size:clamp(20px,2.4vw,26px);margin:0;}
.cta-strip p{color:rgba(255,255,255,.9);margin:4px 0 0;font-size:14.5px;}
.btn-on-grad{
 background:#fff;color:var(--brand-600);border-radius:var(--r-pill);
 padding:12px 28px;font-weight:800;border:none;min-height:46px;
 display:inline-flex;align-items:center;gap:8px;
 transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-on-grad:hover{color:var(--brand-600);transform:translateY(-2px);box-shadow:0 14px 30px rgba(42,26,18,.22);}
/* ============ 页脚 ============ */
.site-footer{
 background:linear-gradient(160deg,#2A1A12 0%,#3A241A 60%,#2A1A12 100%);
 color:rgba(255,247,241,.78);padding:60px 0 26px;margin-top:20px;
}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;letter-spacing:.6px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-mark{
 width:38px;height:38px;border-radius:12px;background:var(--grad);
 display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
}
.footer-brand b{color:#fff;font-size:19px;font-weight:800;letter-spacing:.5px;}
.footer-note{font-size:14.5px;line-height:1.8;color:rgba(255,247,241,.7);margin:0;}
.footer-list li{margin-bottom:10px;}
.footer-list a{color:rgba(255,247,241,.78);font-size:14.5px;}
.footer-list a:hover{color:var(--brand-300);}
.footer-bottom{
 margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,247,241,.14);
 display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
 font-size:13.5px;color:rgba(255,247,241,.6);
}
/* ============ 响应式 ============ */
@media (max-width:1199.98px){
 .metric-bar{grid-template-columns:repeat(4,1fr);gap:18px;}
}
@media (max-width:991.98px){
 .section{padding:56px 0;}
 .section-tight{padding:42px 0;}
 .cat-hero{padding:38px 0 34px;}
 .step-strip{grid-template-columns:1fr;}
 .metric-bar{grid-template-columns:repeat(2,1fr);padding:28px 24px;}
}
@media (max-width:767.98px){
 .section{padding:44px 0;}
 .section-tight{padding:36px 0;}
 .nav-inner{height:64px;}
 .brand-name{font-size:17px;}
 .btn-sm-nav{padding:9px 16px;font-size:14px;letter-spacing:.2px;}
 .cat-hero{padding:32px 0 30px;}
 .cat-hero p.cat-desc{font-size:15.5px;}
 .stat-badge{min-width:132px;padding:10px 16px;}
 .stat-badge b{font-size:21px;}
 .toolbar{padding:16px;}
 .toolbar .chip-row{order:2;width:100%;}
 .sort-box{width:100%;justify-content:space-between;}
 .sort-box .form-select{flex:1 1 auto;}
 .subscribe-card{padding:24px 20px;}
 .cta-strip{padding:22px 20px;}
 .cta-strip .btn-on-grad{width:100%;justify-content:center;}
 .footer-bottom{flex-direction:column;}
}
@media (max-width:519.98px){
 .metric-bar{grid-template-columns:1fr 1fr;gap:16px;padding:24px 18px;}
 .metric-cell b{font-size:24px;}
 .stat-badges{gap:10px;}
 .stat-badge{flex:1 1 44%;min-width:0;}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}