/* roulang page: index */
:root{
  --brand:#0E6B5C;
  --brand-dark:#0A5348;
  --brand-soft:#E6F2EF;
  --accent:#F2892B;
  --accent-soft:#FDF0E2;
  --bg:#F7F5F1;
  --card:#FFFFFF;
  --surface:#F1EEE8;
  --ink:#16201E;
  --text:#1B2422;
  --text-2:#5A6663;
  --text-3:#8A9694;
  --line:#E4E1DA;
  --ok:#1E9E6A;
  --warn:#C2410C;
  --info:#2F7E8F;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(22,32,30,.06),0 8px 24px rgba(22,32,30,.06);
  --sh-2:0 12px 32px rgba(22,32,30,.10);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{color:var(--ink);line-height:1.3;margin:0;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media(min-width:1400px){.container{max-width:1280px}}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:99}
.skip-link:focus{left:0;color:#fff}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:all .18s ease;white-space:nowrap;
}
.btn i{font-size:14px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover,.btn-primary:focus{background:var(--brand-dark);color:#fff;box-shadow:0 6px 16px rgba(14,107,92,.28)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover,.btn-accent:focus{background:#d97416;color:#fff;box-shadow:0 6px 16px rgba(242,137,43,.30)}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover,.btn-outline:focus{background:rgba(14,107,92,.08);color:var(--brand-dark)}
.btn-text{height:auto;padding:0;color:var(--brand);font-weight:600;text-decoration:underline;text-underline-offset:4px;border:0;background:none}
.btn-text:hover{color:var(--brand-dark)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled{opacity:.45;cursor:not-allowed}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.link-more:hover{color:var(--brand-dark);gap:10px}
.link-more span{transition:.18s}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--ink);color:#A9B4B1;font-size:12px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;padding:6px 0}
.topbar strong{color:#F4F6F5;font-weight:600}
.topbar-right{display:flex;align-items:center;gap:16px}
.topbar-right span{display:inline-flex;align-items:center;gap:6px}
.topbar-right i{color:var(--accent)}

/* ============ 头部与导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 2px rgba(22,32,30,.04)}
.nav-main{display:flex;align-items:center;gap:24px;min-height:70px;padding:8px 0}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.2px;flex:0 0 auto}
.logo:hover{color:var(--ink)}
.logo svg{flex:0 0 auto;border-radius:9px}
.logo-sub{display:block;font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:.5px}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links>li{position:relative}
.nav-links>li>a{
  display:inline-flex;align-items:center;gap:5px;height:44px;padding:0 14px;
  border-radius:10px;font-size:15px;color:var(--text-2);transition:all .18s ease;white-space:nowrap;
}
.nav-links>li>a:hover{color:var(--brand);background:var(--brand-soft)}
.nav-links>li>a.active{color:var(--brand);font-weight:600;background:var(--brand-soft)}
.nav-links>li>a i{font-size:11px;opacity:.7}
.dropdown{
  position:absolute;top:calc(100% + 8px);left:0;width:440px;padding:20px;
  background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh-2);
  display:grid;grid-template-columns:1fr 1.25fr;gap:20px;
  opacity:0;visibility:hidden;transform:translateY(4px);transition:opacity .15s ease,transform .15s ease,visibility .15s;
}
.nav-links>li:hover .dropdown,.nav-links>li:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dd-col h5{margin:0 0 10px;font-size:12px;font-weight:600;color:var(--text-3);letter-spacing:.6px}
.dd-col a{display:block;font-size:14px;color:var(--text-2);padding:5px 0;transition:all .15s ease}
.dd-col a:hover{color:var(--brand);transform:translateX(2px)}
.dd-news a{display:block;padding:6px 0;border-bottom:1px dashed var(--line);font-size:13px;color:var(--text-2)}
.dd-news a:last-child{border-bottom:0}
.dd-news a:hover{color:var(--brand)}
.dd-news em{display:block;font-style:normal;font-size:11px;color:var(--text-3);margin-top:2px}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;min-width:210px;
  transition:all .18s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,107,92,.12)}
.search-box i{color:var(--text-3);font-size:13px}
.search-box input{border:0;outline:0;background:transparent;font-size:14px;color:var(--text);width:100%}
.search-box input::placeholder{color:var(--text-3)}

/* ============ 通用板块 ============ */
.section{padding:80px 0}
.section--tight{padding:56px 0}
.section--white{background:#fff}
.section--tint{background:var(--surface)}
.section-head{max-width:780px;margin-bottom:40px}
.section-head h2{font-size:28px;padding-left:14px;position:relative;margin-bottom:12px}
.section-head h2::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;border-radius:2px;background:var(--brand)}
.section-head p{color:var(--text-2);font-size:15px}
.section-head .eyebrow{
  display:inline-block;font-size:12px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:3px 12px;margin-bottom:12px;
}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-5{grid-template-columns:repeat(5,1fr)}
.tag{display:inline-block;font-size:12px;padding:2px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand);line-height:1.7}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--bg);border-bottom:1px solid var(--line);padding:72px 0 84px}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.75;
  background-image:linear-gradient(to right,rgba(228,225,218,.5) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(228,225,218,.5) 1px,transparent 1px);
  background-size:32px 32px;
}
.hero::after{
  content:"";position:absolute;top:-160px;right:-140px;width:420px;height:420px;
  border-radius:50%;background:var(--brand-soft);opacity:.85;pointer-events:none;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:var(--brand);background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 14px;margin-bottom:20px}
.hero-kicker i{color:var(--accent)}
.hero h1{font-size:42px;line-height:1.28;margin-bottom:20px;letter-spacing:-.3px}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-lead{font-size:16px;color:var(--text-2);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-bottom:18px}
.hero-note{font-size:12px;color:var(--text-3);display:flex;flex-wrap:wrap;gap:14px}
.hero-note span{display:inline-flex;align-items:center;gap:6px}
.hero-note i{color:var(--ok)}
.hero-panel{position:relative}
.console{position:relative;background:var(--ink);border-radius:16px;padding:22px 22px 18px;box-shadow:var(--sh-2);color:#F4F6F5;overflow:hidden}
.console::after{content:"";position:absolute;right:-60px;bottom:-60px;width:180px;height:180px;border-radius:50%;background:rgba(14,107,92,.35)}
.console-bar{display:flex;gap:6px;margin-bottom:16px;position:relative;z-index:1}
.console-bar span{width:10px;height:10px;border-radius:50%;background:#3A4744}
.console-bar span:first-child{background:var(--accent)}
.console-search{
  position:relative;z-index:1;display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;
  border-radius:10px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;color:#A9B4B1;margin-bottom:14px;
}
.console-search i{color:#7ED0B8}
.console-search b{color:#F4F6F5;font-weight:600}
.console-lines{position:relative;z-index:1;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;line-height:2.1;color:#A9B4B1}
.console-lines li{display:flex;gap:8px;border-bottom:1px dashed rgba(255,255,255,.09);padding:2px 0}
.console-lines li:last-child{border-bottom:0}
.console-lines .ok{color:#7ED0B8;flex:0 0 auto}
.console-lines .t{color:#6E7C79;margin-left:auto;flex:0 0 auto}
.hero-badge{
  position:absolute;background:#fff;border-radius:12px;box-shadow:var(--sh-2);
  padding:10px 14px;border:1px solid var(--line);
}
.hero-badge b{display:block;font-size:18px;color:var(--brand);font-variant-numeric:tabular-nums;font-weight:700;line-height:1.3}
.hero-badge small{font-size:11px;color:var(--text-3)}
.hero-badge--a{top:-22px;left:-26px}
.hero-badge--b{bottom:-24px;right:-16px}
.hero-badge--b b{color:var(--accent)}

/* ============ 指标看板 ============ */
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;transition:all .18s ease}
.stat-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.stat-label{font-size:12px;color:var(--text-3);margin-bottom:8px}
.stat-num{font-size:34px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.15}
.stat-num small{font-size:14px;font-weight:600;color:var(--text-2);margin-left:4px}
.stat-foot{font-size:12px;color:var(--text-3);margin-top:10px;line-height:1.6}

/* ============ 服务矩阵 ============ */
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;
  display:flex;flex-direction:column;transition:all .18s ease;
}
.feature-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.feature-ico{
  width:40px;height:40px;border-radius:50%;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
  font-size:16px;margin-bottom:16px;transition:all .18s ease;
}
.feature-card:hover .feature-ico{background:var(--brand);color:#fff}
.feature-card h3{font-size:18px;margin-bottom:10px}
.feature-card p{font-size:14px;color:var(--text-2);margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feature-meta{margin-top:auto;font-size:12px;color:var(--text-3);border-top:1px dashed var(--line);padding-top:12px}

/* ============ 类型分布 ============ */
.bar-row{display:grid;grid-template-columns:130px 1fr 150px;gap:18px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}
.bar-row:last-child{border-bottom:0}
.bar-name{font-size:14px;font-weight:600;color:var(--ink)}
.bar-track{height:10px;border-radius:999px;background:#E7E3DB;overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:var(--brand)}
.bar-fill--2{background:#14806E}
.bar-fill--3{background:#2A9482}
.bar-fill--4{background:#57A99A}
.bar-fill--5{background:#8CC2B7}
.bar-fill--6{background:#B9D9D2}
.bar-val{font-size:13px;color:var(--text-2);text-align:right;font-variant-numeric:tabular-nums}

/* ============ 对比表 ============ */
.compare-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.compare-table{width:100%;border-collapse:collapse}
.compare-table th,.compare-table td{padding:18px 20px;text-align:left;font-size:14px;border-bottom:1px solid var(--line);vertical-align:top}
.compare-table thead th{background:var(--surface);font-size:13px;color:var(--text-2);font-weight:600}
.compare-table thead th:nth-child(3){color:var(--brand)}
.compare-table tbody tr:nth-child(even){background:#FAF9F6}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table td:first-child{font-weight:600;color:var(--ink);width:26%}
.diff{color:var(--accent);font-weight:700}

/* ============ 场景专题 ============ */
.scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;transition:all .18s ease}
.scene-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.scene-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .25s ease}
.scene-card:hover img{transform:scale(1.02)}
.scene-body{padding:20px;display:flex;flex-direction:column;flex:1}
.scene-body h3{font-size:17px;margin-bottom:8px}
.scene-body p{font-size:14px;color:var(--text-2);margin-bottom:16px}
.scene-foot{margin-top:auto;font-size:13px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}

/* ============ 里程碑 ============ */
.timeline{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:24px}
.timeline::before{content:"";position:absolute;left:0;right:0;top:6px;height:1px;background:var(--line)}
.tl-node{position:relative;padding-top:28px}
.tl-node::before{
  content:"";position:absolute;top:0;left:0;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.tl-year{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:6px}
.tl-node p{font-size:13px;color:var(--text-2)}

/* ============ 资讯列表 ============ */
.news-layout{display:grid;grid-template-columns:1.65fr 1fr;gap:32px;align-items:start}
.news-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:8px 24px}
.news-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.news-item:last-child{border-bottom:0}
.date-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  min-width:56px;height:26px;padding:0 10px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600;font-variant-numeric:tabular-nums;margin-top:3px;
}
.news-body h3{font-size:16px;margin-bottom:6px}
.news-body h3 a{color:var(--ink)}
.news-body h3 a:hover{color:var(--brand)}
.news-body p{font-size:13px;color:var(--text-2);margin-bottom:8px}
.news-tags{display:flex;flex-wrap:wrap;gap:6px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1)}
.side-card + .side-card{margin-top:24px}
.side-card h3{font-size:17px;margin-bottom:8px}
.side-card p{font-size:13px;color:var(--text-2);margin-bottom:16px}
.side-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);margin-bottom:14px}
.mini-form{display:flex;gap:8px}
.mini-form input{flex:1;height:44px;padding:0 12px;border:1px solid var(--line);border-radius:10px;font-size:14px;outline:none;transition:.18s}
.mini-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,107,92,.12)}
.side-note{font-size:12px;color:var(--text-3);margin-top:10px}

/* ============ 分类入口 ============ */
.entry-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.entry-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 24px;border-bottom:1px solid var(--line)}
.entry-row:last-child{border-bottom:0}
.entry-name{font-size:16px;font-weight:600;color:var(--ink)}
.entry-name span{display:inline-block;font-size:12px;font-weight:500;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:1px 9px;margin-left:8px;vertical-align:middle}
.entry-meta{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}
.entry-foot{display:flex;justify-content:flex-end;padding:16px 24px;background:#FAF9F6;border-top:1px solid var(--line)}

/* ============ 平台保障 ============ */
.trust-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px}
.trust-card .feature-ico{margin-bottom:14px}
.trust-card h3{font-size:17px;margin-bottom:10px}
.trust-card p{font-size:14px;color:var(--text-2)}

/* ============ 快速解答 ============ */
.quick-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;border-top:3px solid var(--brand)}
.quick-q{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:10px}
.quick-card p{font-size:14px;color:var(--text-2)}

/* ============ 排行 ============ */
.rank-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:8px 24px}
.rank-row{display:flex;align-items:center;gap:18px;padding:16px 0;border-bottom:1px solid var(--line)}
.rank-row:last-child{border-bottom:0}
.rank-num{font-size:24px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;min-width:34px;line-height:1}
.rank-name{font-size:15px;font-weight:600;color:var(--ink)}
.rank-foot{font-size:12px;color:var(--text-3);margin-top:4px}
.rank-heat{margin-left:auto;font-size:13px;color:var(--accent);font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap}

/* ============ 口碑 ============ */
.voice-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;position:relative}
.voice-card::before{content:"“";position:absolute;top:8px;left:20px;font-size:56px;line-height:1;color:var(--brand-soft);font-family:Georgia,serif}
.voice-card p{font-size:14px;color:var(--text-2);position:relative;margin-bottom:18px;padding-top:16px}
.voice-user{display:flex;align-items:center;gap:12px}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.voice-user strong{display:block;font-size:14px;color:var(--ink)}
.voice-user small{font-size:12px;color:var(--text-3)}

/* ============ FAQ ============ */
.faq-wrap{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 40px 20px 0;position:relative;
  font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:20px;color:var(--brand);font-weight:400;line-height:1;transition:.18s;
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:var(--brand)}
.faq-answer{padding:0 40px 20px 0;font-size:14px;color:var(--text-2)}

/* ============ 转化表单 ============ */
.cta-band{
  position:relative;color:#F4F6F5;padding:80px 0;
  background-image:linear-gradient(95deg,rgba(22,32,30,.95),rgba(22,32,30,.84)),url('/assets/images/backpic/back-4.webp');
  background-size:cover;background-position:center;
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.cta-band h2{color:#F4F6F5;font-size:28px;margin-bottom:16px}
.cta-band p{color:#A9B4B1;font-size:15px;margin-bottom:20px}
.cta-points li{display:flex;gap:10px;font-size:14px;color:#D5DCDA;margin-bottom:10px}
.cta-points i{color:var(--accent);margin-top:5px}
.form-card{background:#fff;border-radius:16px;padding:28px;box-shadow:var(--sh-2)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:10px;
  font-size:15px;color:var(--text);background:#fff;outline:none;transition:.18s;
}
.field input:focus,.field select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,107,92,.14)}
.field .err{display:none;font-size:12px;color:var(--warn);margin-top:6px}
.field.error input,.field.error select{border-color:var(--warn)}
.field.error .err{display:block}
.check-row{display:flex;align-items:flex-start;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:18px}
.check-row input{width:16px;height:16px;margin-top:4px;flex:0 0 auto;accent-color:var(--brand)}
.form-success{
  display:none;background:rgba(30,158,106,.12);color:#12694a;border:1px solid rgba(30,158,106,.3);
  border-radius:10px;padding:12px 14px;font-size:14px;margin-bottom:16px;
}
.form-success.show{display:block}
.form-tip{font-size:12px;color:var(--text-3);margin-top:12px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#A9B4B1;padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{color:#F4F6F5;margin-bottom:16px}
.footer-brand p{font-size:13px;color:#8E9A97;max-width:340px;margin-bottom:16px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{font-size:12px;padding:2px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.16);color:#B7C2BF}
.footer-col h4{color:#F4F6F5;font-size:14px;margin-bottom:16px;letter-spacing:.3px}
.footer-col li{margin-bottom:10px}
.footer-col a{color:#A9B4B1;font-size:13px}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12px;color:#7C8886}

/* ============ 响应式 ============ */
@media(max-width:1199px){
  .hero h1{font-size:36px}
  .grid-5{grid-template-columns:repeat(3,1fr)}
  .timeline{grid-template-columns:repeat(3,1fr);row-gap:32px}
  .timeline::before{display:none}
}
@media(max-width:1023px){
  .section{padding:64px 0}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .hero{padding:56px 0 64px}
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero::after{width:300px;height:300px;top:-120px;right:-100px}
  .news-layout{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .hero-badge--a{top:-16px;left:-8px}
  .hero-badge--b{bottom:-18px;right:-8px}
  .compare-table td:first-child{width:32%}
}
@media(max-width:900px){
  .nav-main{flex-wrap:wrap;gap:12px;padding:12px 0 0;min-height:auto}
  .nav-right{margin-left:auto;gap:10px}
  .search-box{display:none}
  .nav-links{order:5;flex:0 0 100%;overflow-x:auto;-webkit-overflow-scrolling:touch;gap:2px;padding-bottom:10px}
  .nav-links>li>a{padding:0 12px;font-size:14px}
  .dropdown{display:none}
  .topbar-inner{flex-wrap:wrap;gap:6px;padding:8px 0}
  .topbar-right{font-size:11px}
}
@media(max-width:767px){
  .section{padding:48px 0}
  .section--tight{padding:40px 0}
  .section-head h2{font-size:22px}
  .hero h1{font-size:30px}
  .hero-lead{font-size:15px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .grid-5{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:1fr;gap:0}
  .tl-node{padding:0 0 24px 26px}
  .tl-node::before{top:6px;left:0}
  .timeline::after{content:"";position:absolute;left:5px;top:8px;bottom:20px;width:1px;background:var(--line)}
  .tl-node::before{z-index:1}
  .bar-row{grid-template-columns:1fr;gap:6px}
  .bar-val{text-align:left}
  .compare-table thead{display:none}
  .compare-table,.compare-table tbody,.compare-table tr,.compare-table td{display:block;width:100%}
  .compare-table tr{border-bottom:1px solid var(--line);padding:12px 0}
  .compare-table td{border-bottom:0;padding:8px 20px}
  .compare-table td:first-child{width:auto;color:var(--brand);font-size:13px}
  .compare-table td::before{display:block;font-size:12px;color:var(--text-3);margin-bottom:2px}
  .compare-table td:nth-child(2)::before{content:"传统付费获取方式"}
  .compare-table td:nth-child(3)::before{content:"免费之家"}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:56px 0}
  .cta-band h2{font-size:22px}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .hero-badge{position:static;margin-top:12px;display:inline-block;width:calc(50% - 6px)}
  .hero-badge--b{margin-left:8px}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .grid-5,.stats-row{grid-template-columns:1fr}
  .news-list,.rank-list{padding:4px 16px}
  .entry-row{flex-direction:column;align-items:flex-start;gap:6px}
  .hero h1{font-size:26px}
  .form-card{padding:20px}
  .btn{width:100%}
  .hero-actions .btn-text{width:auto}
  .mini-form{flex-direction:column}
}

/* roulang page: category1 */
:root{
  --brand:#0E6B5C;
  --brand-dark:#0A5348;
  --brand-soft:#E6F2EF;
  --accent:#F2892B;
  --accent-soft:#FDF0E2;
  --bg:#F7F5F1;
  --card:#FFFFFF;
  --surface:#F1EEE8;
  --ink:#16201E;
  --text:#1B2422;
  --text-2:#5A6663;
  --text-3:#8A9694;
  --line:#E4E1DA;
  --ok:#1E9E6A;
  --warn:#C2410C;
  --info:#2F7E8F;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(22,32,30,.06),0 8px 24px rgba(22,32,30,.06);
  --sh-2:0 12px 32px rgba(22,32,30,.10);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.75;
  color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4,h5{margin:0;line-height:1.3;font-weight:700;color:var(--ink)}
h1{font-size:36px}
h2{font-size:28px}
h3{font-size:18px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-dark)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:absolute;top:-70px;left:16px;z-index:200;background:var(--brand);color:#fff;padding:10px 18px;border-radius:8px}
.skip-link:focus{top:12px;color:#fff}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:all .18s ease;white-space:nowrap;
}
.btn i{font-size:14px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover,.btn-primary:focus{background:var(--brand-dark);color:#fff;box-shadow:0 6px 16px rgba(14,107,92,.28)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover,.btn-accent:focus{background:#d97416;color:#fff;box-shadow:0 6px 16px rgba(242,137,43,.30)}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover,.btn-outline:focus{background:rgba(14,107,92,.08);color:var(--brand-dark)}
.btn-text{height:auto;padding:0;color:var(--brand);font-weight:600;text-decoration:underline;text-underline-offset:4px;border:0;background:none}
.btn-text:hover{color:var(--brand-dark)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--ink);color:#A9B4B1;font-size:12px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;padding:6px 0}
.topbar strong{color:#F4F6F5;font-weight:600;margin-right:6px}
.topbar-right{display:flex;align-items:center;gap:18px}
.topbar-right span{display:inline-flex;align-items:center;gap:6px}
.topbar-right i{color:var(--accent)}

/* ============ 头部与导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 2px rgba(22,32,30,.04)}
.nav-main{display:flex;align-items:center;gap:24px;min-height:70px;padding:8px 0}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.2px;flex:0 0 auto}
.logo:hover{color:var(--ink)}
.logo svg{flex:0 0 auto;border-radius:9px}
.logo-sub{display:block;font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:.5px}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links>li{position:relative}
.nav-links>li>a{
  display:inline-flex;align-items:center;gap:5px;height:44px;padding:0 14px;
  border-radius:10px;font-size:15px;color:var(--text-2);transition:all .18s ease;white-space:nowrap;
}
.nav-links>li>a:hover{color:var(--brand);background:var(--brand-soft)}
.nav-links>li>a.active{color:var(--brand);font-weight:600;background:var(--brand-soft)}
.nav-links>li>a i{font-size:11px;opacity:.7}
.has-dd .dd-panel{
  position:absolute;top:calc(100% + 8px);left:0;z-index:70;
  display:grid;grid-template-columns:1.1fr 1fr;gap:22px;width:440px;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--sh-2);padding:20px;
  opacity:0;visibility:hidden;transform:translateY(-4px);
  transition:opacity .15s ease,transform .15s ease,visibility .15s;
}
.has-dd::after{content:"";position:absolute;top:100%;left:0;width:100%;height:12px}
.has-dd:hover .dd-panel,.has-dd:focus-within .dd-panel{opacity:1;visibility:visible;transform:translateY(0)}
.dd-col h5{margin:0 0 10px;font-size:12px;font-weight:600;color:var(--text-3);letter-spacing:.6px}
.dd-col a{display:block;font-size:14px;color:var(--text-2);padding:5px 0;transition:all .15s ease}
.dd-col a:hover{color:var(--brand);transform:translateX(2px)}
.dd-col a[data-slug]{color:var(--brand);font-weight:600}
.dd-news a{display:block;padding:7px 0;border-bottom:1px dashed var(--line);font-size:13px;color:var(--text-2)}
.dd-news a:last-child{border-bottom:0}
.dd-news a em{display:block;font-style:normal;font-size:12px;color:var(--text-3)}
.dd-news a:hover{color:var(--brand)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;min-width:210px;
  transition:all .18s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,107,92,.12)}
.search-box i{color:var(--text-3);font-size:13px}
.search-box input{border:0;outline:0;background:transparent;font-size:14px;color:var(--text);width:100%}
.search-box input::placeholder{color:var(--text-3)}

/* ============ 分类标题带 ============ */
.cat-hero{
  position:relative;padding:48px 0 52px;color:#F4F6F5;
  background-image:url(/assets/images/backpic/back-4.webp);
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,58,50,.95) 0%,rgba(11,58,50,.86) 50%,rgba(11,58,50,.62) 100%);
}
.cat-hero>.container{position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#A9C6C0;margin-bottom:16px;flex-wrap:wrap}
.crumb a{color:#CFE3DF}
.crumb a:hover{color:#fff}
.crumb span.sep{opacity:.6}
.cat-hero h1{color:#fff;max-width:820px;font-size:36px;letter-spacing:.3px}
.cat-hero .lede{max-width:760px;margin-top:14px;font-size:15px;color:#D6E4E0}
.cat-meta{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:24px;font-size:13px;color:#BFD4CF}
.cat-meta span{display:inline-flex;align-items:center;gap:7px}
.cat-meta i{color:var(--accent)}
.cat-meta b{color:#fff;font-variant-numeric:tabular-nums;font-weight:700}

/* ============ 筛选条 ============ */
.filter-section{background:#fff;border-bottom:1px solid var(--line);padding:26px 0}
.filter-bar{display:flex;flex-wrap:wrap;gap:16px 30px;align-items:center}
.filter-group{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.filter-group>.flabel{font-size:13px;color:var(--text-3);flex:0 0 auto}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--text-2);font-size:13px;
  cursor:pointer;transition:all .18s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.filter-count{margin-left:auto;font-size:13px;color:var(--text-2);font-variant-numeric:tabular-nums}
.filter-count b{color:var(--brand);font-size:15px}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
.section--white{background:#fff}
.section--tint{background:var(--surface)}
.section-head{max-width:800px;margin-bottom:36px}
.section-head h2{position:relative;padding-left:14px;margin-bottom:12px}
.section-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:2px;background:var(--brand)}
.section-head p{color:var(--text-2);font-size:15px}
.tag{display:inline-block;font-size:12px;padding:2px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand);line-height:1.7;white-space:nowrap}
.tag--amber{background:var(--accent-soft);color:#B4651A}

/* ============ 列表卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.res-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.res-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.res-card .thumb{position:relative;padding-bottom:56.25%;overflow:hidden;background:var(--brand-soft)}
.res-card .thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.res-card:hover .thumb img{transform:scale(1.02)}
.res-card .thumb .badge{
  position:absolute;left:12px;top:12px;z-index:2;background:rgba(22,32,30,.78);
  color:#fff;font-size:12px;padding:3px 10px;border-radius:999px;backdrop-filter:blur(2px);
}
.res-card .body{display:flex;flex-direction:column;flex:1;gap:10px;padding:18px 20px 20px}
.res-card h3{font-size:18px;line-height:1.45}
.res-card h3 a{color:var(--ink)}
.res-card h3 a:hover{color:var(--brand)}
.res-card .desc{
  font-size:14px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.res-card .meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.res-card .foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;border-top:1px dashed var(--line)}
.res-card .date{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}
.list-more{display:flex;justify-content:center;margin-top:40px}

/* ============ 排行 ============ */
.rank-wrap{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:start}
.rank-list{border-top:1px solid var(--line)}
.rank-item{display:flex;align-items:center;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}
.rank-item .no{
  flex:0 0 auto;min-width:44px;font-size:28px;font-weight:700;line-height:1;
  color:var(--brand);font-variant-numeric:tabular-nums;
}
.rank-item:nth-child(-n+3) .no{color:var(--accent)}
.rank-item .txt{flex:1;min-width:0}
.rank-item .txt a{display:block;font-size:16px;font-weight:600;color:var(--ink);line-height:1.5}
.rank-item .txt a:hover{color:var(--brand)}
.rank-item .txt small{display:block;font-size:12px;color:var(--text-3);margin-top:2px}
.rank-side{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:26px}
.rank-side h3{font-size:18px;margin-bottom:12px}
.rank-side p{font-size:14px;color:var(--text-2)}
.rank-side ul{margin-top:16px;display:grid;gap:10px}
.rank-side li{display:flex;justify-content:space-between;font-size:13px;color:var(--text-2);padding-bottom:10px;border-bottom:1px dashed var(--line)}
.rank-side li:last-child{border-bottom:0;padding-bottom:0}
.rank-side li b{color:var(--ink);font-variant-numeric:tabular-nums}

/* ============ 说明区块 ============ */
.note-block{max-width:800px}
.note-block p{font-size:15px;color:var(--text-2);margin-bottom:16px}
.note-block p:last-child{margin-bottom:0}
.note-block strong{color:var(--ink);font-weight:600}
.note-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px;max-width:960px}
.note-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px 22px}
.note-card h3{font-size:16px;margin-bottom:8px;color:var(--brand)}
.note-card p{font-size:13px;color:var(--text-2)}

/* ============ 专题与标签 ============ */
.topic-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:38px}
.topic-item{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh-1);transition:all .2s ease;
}
.topic-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#CFE3DF}
.topic-item strong{display:block;font-size:16px;color:var(--ink);margin-bottom:6px}
.topic-item span{font-size:13px;color:var(--text-3)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud a{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  background:var(--surface);color:var(--text-2);font-size:13px;transition:all .18s ease;
}
.tag-cloud a:hover{background:var(--brand-soft);color:var(--brand)}

/* ============ FAQ ============ */
.faq{max-width:800px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:0 0 auto;font-size:20px;line-height:1;color:var(--brand)}
.faq details[open] summary::after{content:"−"}
.faq details[open] summary{color:var(--brand)}
.faq .ans{padding:0 24px 22px;font-size:14px;color:var(--text-2);max-width:96%}

/* ============ 底部转化条 ============ */
.cat-cta{background:var(--surface);border-top:1px solid var(--line);padding:56px 0}
.cta-inner{display:grid;grid-template-columns:6fr 6fr;gap:44px;align-items:center}
.cta-inner h2{font-size:26px;margin-bottom:12px}
.cta-inner p{font-size:15px;color:var(--text-2)}
.sub-form{display:flex;flex-wrap:wrap;gap:12px}
.sub-form input{
  flex:1 1 240px;height:48px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;font-size:15px;outline:0;transition:all .18s ease;
}
.sub-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,107,92,.12)}
.form-hint{flex:1 1 100%;font-size:12px;color:var(--text-3)}
.cta-link{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#A9B4B1;padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand .logo{color:#F4F6F5}
.footer-brand .logo:hover{color:#fff}
.footer-brand .logo-sub{color:#8A9694}
.footer-brand p{margin-top:16px;font-size:13.5px;line-height:1.85;color:#A9B4B1;max-width:340px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-tags span{font-size:12px;color:#CFE3DF;background:rgba(255,255,255,.08);border-radius:999px;padding:3px 12px}
.footer-col h4{font-size:14px;color:#F4F6F5;margin-bottom:14px;letter-spacing:.4px}
.footer-col li{margin-bottom:9px}
.footer-col a{font-size:13.5px;color:#A9B4B1}
.footer-col a:hover{color:#fff}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:#8A9694;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{max-width:1080px}
  .topic-row{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1100px){
  .search-box{display:none}
}
@media (max-width:1023px){
  .nav-main{flex-wrap:wrap;gap:12px;padding:10px 0}
  .nav-links{order:3;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:2px}
  .nav-links::-webkit-scrollbar{display:none}
  .has-dd .dd-panel{display:none}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .rank-wrap{grid-template-columns:1fr;gap:32px}
  .note-cards{grid-template-columns:1fr;max-width:100%}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cat-hero h1{font-size:30px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:52px 0}
  .cat-hero{padding:34px 0 40px}
  .cat-hero h1{font-size:26px}
  .cat-hero .lede{font-size:14px}
  .filter-count{margin-left:0;width:100%}
  .logo-sub{display:none}
  .nav-right .btn-sm{height:38px;padding:0 14px;font-size:13px}
}
@media (max-width:640px){
  .card-grid{grid-template-columns:1fr}
  .topic-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .section-head h2{font-size:22px}
  .cta-inner h2{font-size:22px}
  .rank-item .no{font-size:24px;min-width:36px}
}