/* roulang page: index */
:root{
  --ink:#2E2233;
  --ink-2:#3C2E42;
  --accent:#E4572E;
  --accent-dark:#C8451F;
  --teal:#2E9E8F;
  --bg:#F7F4EF;
  --bg-alt:#EFEAE3;
  --card:#FFFFFF;
  --line:#E3DCD2;
  --text:#2B2630;
  --muted:#6E6472;
  --r-lg:14px;
  --r-sm:10px;
  --shadow:0 6px 20px rgba(46,34,51,.07);
  --shadow-hover:0 12px 28px rgba(46,34,51,.12);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:15.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--ink)}
p{margin:0}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ============ header ============ */
.site-head{position:sticky;top:0;z-index:120;background:var(--ink);color:#F7F4EF;box-shadow:0 1px 0 rgba(0,0,0,.18)}
.head-inner{display:flex;align-items:center;gap:16px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700;flex:0 0 auto}
.brand-text strong{display:block;font-size:14.5px;letter-spacing:.02em;line-height:1.3}
.brand-text em{display:block;font-size:11px;font-style:normal;color:rgba(247,244,239,.6);letter-spacing:.08em;line-height:1.5}
.head-search{display:flex;align-items:center;gap:6px;margin-left:auto;flex:1 1 auto;max-width:320px;background:rgba(247,244,239,.1);border:1px solid rgba(247,244,239,.18);border-radius:999px;padding:4px 4px 4px 14px;transition:.2s}
.head-search:focus-within{border-color:rgba(46,158,143,.85);background:rgba(247,244,239,.15)}
.head-search input{flex:1 1 auto;min-width:0;background:none;border:0;outline:none;color:#F7F4EF;font-size:13.5px;padding:2px 0}
.head-search input::placeholder{color:rgba(247,244,239,.5)}
.head-search button{flex:0 0 auto;background:var(--accent);color:#fff;border-radius:999px;padding:5px 14px;font-size:12.5px;transition:.2s}
.head-search button:hover{background:var(--accent-dark)}
.head-cta{flex:0 0 auto}
.menu-toggle{display:none;width:40px;height:36px;border-radius:9px;border:1px solid rgba(247,244,239,.28);flex-direction:column;justify-content:center;align-items:center;gap:4px}
.menu-toggle span{display:block;width:16px;height:2px;background:#F7F4EF;border-radius:2px}
.channel-bar{border-top:1px solid rgba(247,244,239,.1)}
.channel-scroll{display:flex;gap:9px;overflow-x:auto;padding:9px 24px 11px;scrollbar-width:none;-ms-overflow-style:none}
.channel-scroll::-webkit-scrollbar{display:none}
.pill{flex:0 0 auto;padding:5px 15px;border-radius:999px;border:1px solid rgba(247,244,239,.26);font-size:13px;color:rgba(247,244,239,.8);transition:.2s;white-space:nowrap}
.pill:hover{background:rgba(247,244,239,.13);color:#fff}
.pill.active{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
.mobile-drawer{display:none;background:#fff;color:var(--text);padding:18px 20px 22px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
.mobile-drawer.open{display:block}
.drawer-search{display:flex;gap:8px;margin-bottom:16px}
.drawer-search input{flex:1;min-width:0;border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-size:14px;background:var(--bg)}
.drawer-search button{background:var(--accent);color:#fff;border-radius:999px;padding:9px 18px;font-size:14px}
.drawer-pills{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:16px}
.drawer-pills a{display:block;padding:8px 12px;border-radius:10px;border:1px solid var(--line);font-size:13.5px;color:var(--ink);background:var(--bg)}
.drawer-pills a.active{background:var(--accent);border-color:var(--accent);color:#fff}
.drawer-cta{display:block;text-align:center;background:var(--accent);color:#fff;border-radius:10px;padding:11px;font-weight:600}

/* ============ buttons / badges ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:var(--r-sm);font-size:14.5px;font-weight:600;border:1.5px solid transparent;transition:all .2s ease;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);box-shadow:inset 0 1px 0 rgba(0,0,0,.14)}
.btn-outline{border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:rgba(46,34,51,.07)}
.btn-light{border-color:rgba(247,244,239,.55);color:#F7F4EF}
.btn-light:hover{background:rgba(247,244,239,.14)}
.btn-block{width:100%}
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 11px;border-radius:999px;font-size:12px;letter-spacing:.03em;background:rgba(228,87,46,.1);color:var(--accent-dark);border:1px solid rgba(228,87,46,.22)}
.badge-teal{background:rgba(46,158,143,.12);color:#1F7A6E;border-color:rgba(46,158,143,.24)}
.badge-grey{background:rgba(46,34,51,.06);color:var(--muted);border-color:var(--line)}

/* ============ sections ============ */
.section{padding:72px 0}
.section-alt{background:var(--bg-alt)}
.section-dark{background:var(--ink);color:rgba(247,244,239,.88)}
.section-dark h2,.section-dark h3{color:#F7F4EF}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-head h2{font-size:clamp(22px,2.6vw,30px)}
.sec-head p{margin-top:12px;color:var(--muted);font-size:15px}
.section-dark .sec-head p{color:rgba(247,244,239,.72)}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap}
.sec-head-row .sec-head{margin-bottom:0}
.text-link{color:var(--accent-dark);font-weight:600;font-size:14px;border-bottom:1px solid transparent;transition:.2s}
.text-link:hover{border-bottom-color:var(--accent)}

/* ============ hero ============ */
.hero{position:relative;overflow:hidden;color:#F7F4EF;padding:88px 0 76px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.02)}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(108deg,rgba(30,22,35,.95) 0%,rgba(30,22,35,.86) 46%,rgba(30,22,35,.58) 100%)}
.hero-inner{position:relative;z-index:2}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:5px 15px;border-radius:999px;background:rgba(228,87,46,.18);border:1px solid rgba(228,87,46,.52);font-size:12.5px;letter-spacing:.05em;color:#FFC9B6}
.hero h1{font-size:clamp(28px,4vw,44px);line-height:1.28;margin-top:20px;color:#F9F6F1;max-width:17em;letter-spacing:.01em}
.hero-lead{max-width:880px;margin-top:18px;color:rgba(247,244,239,.85);font-size:15.5px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:28px}
.play-btn{display:inline-flex;align-items:center;gap:10px;color:#F7F4EF;font-size:14px;font-weight:600;padding:6px 4px;transition:.2s}
.play-btn:hover{color:#FFC9B6}
.play-ico{width:38px;height:38px;border-radius:50%;border:1.5px solid rgba(247,244,239,.6);display:grid;place-items:center;position:relative;transition:.2s}
.play-btn:hover .play-ico{border-color:var(--accent);background:rgba(228,87,46,.2)}
.play-ico::after{content:"";display:block;width:0;height:0;border-left:11px solid #F7F4EF;border-top:7px solid transparent;border-bottom:7px solid transparent;margin-left:3px}
.hero-trust{display:flex;flex-wrap:wrap;gap:8px 26px;margin-top:26px;font-size:13px;color:rgba(247,244,239,.7)}
.hero-trust li::before{content:"·";margin-right:8px;color:var(--accent);font-weight:700}

/* video modal */
.vmodal{position:fixed;inset:0;background:rgba(24,17,28,.82);display:none;place-items:center;z-index:220;padding:20px}
.vmodal.open{display:grid}
.vmodal-box{background:#fff;border-radius:16px;max-width:700px;width:100%;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.4);color:var(--text)}
.vmodal-box img{width:100%;aspect-ratio:16/9;object-fit:cover}
.vmodal-body{padding:22px 24px 26px}
.vmodal-body h3{font-size:19px;margin-bottom:10px}
.vmodal-body ul{font-size:14px;color:var(--muted)}
.vmodal-body li{padding-left:20px;position:relative;margin-bottom:6px}
.vmodal-body li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:700}
.vmodal-close{display:block;margin:16px auto 0;background:var(--ink);color:#fff;border-radius:10px;padding:10px 26px;font-size:14px}

/* ============ metrics ============ */
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.metric{display:flex;gap:12px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:15px 16px;transition:.2s}
.metric:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.m-icon{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;font-size:13px;font-weight:700;background:rgba(46,158,143,.12);color:#1F7A6E;flex:0 0 auto}
.metric .m-name{font-size:13px;color:var(--muted)}
.metric .m-val{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.metric .m-val small{font-size:12px;font-weight:500;color:var(--muted);margin-left:4px}
.bar{height:5px;border-radius:99px;background:var(--bg-alt);overflow:hidden;margin-top:8px;width:100%}
.bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--accent),var(--teal))}

/* ============ channel matrix ============ */
.chan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.chan-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;transition:.22s;box-shadow:var(--shadow)}
.chan-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(228,87,46,.35)}
.chan-card h3{font-size:17px;margin-bottom:8px}
.chan-card p{font-size:13.5px;color:var(--muted)}
.chan-card .chan-more{display:inline-block;margin-top:14px;font-size:13px;font-weight:600;color:var(--accent-dark)}

/* ============ service matrix ============ */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.svc{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow);transition:.22s}
.svc:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.svc h3{font-size:17.5px;margin-bottom:8px}
.svc p{font-size:13.5px;color:var(--muted)}
.svc-lg{grid-column:span 2;grid-row:span 2;display:flex;flex-direction:column;padding:0;overflow:hidden}
.svc-lg .svc-img{aspect-ratio:16/9;overflow:hidden}
.svc-lg .svc-img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.svc-lg:hover .svc-img img{transform:scale(1.04)}
.svc-lg .svc-body{padding:22px;display:flex;flex-direction:column;flex:1}
.svc-lg h3{font-size:21px}
.svc-list{margin-top:14px;font-size:13.5px;color:var(--text)}
.svc-list li{padding-left:20px;position:relative;margin-bottom:6px}
.svc-list li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:700}
.svc-md{grid-column:span 1;display:flex;flex-direction:column;justify-content:space-between}
.svc-foot{margin-top:14px;font-size:13px;font-weight:600;color:var(--accent-dark)}
.svc-sm{grid-column:span 1;padding:18px 20px}
.svc-sm h3{font-size:15.5px}

/* ============ compare ============ */
.cmp-wrap{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.cmp-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow)}
.cmp-card.better{border-color:rgba(46,158,143,.45);background:#fff}
.cmp-card h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.cmp-row{display:flex;gap:10px;align-items:flex-start;font-size:14px;padding:11px 0;border-bottom:1px dashed var(--line)}
.cmp-row:last-child{border-bottom:0}
.mark{flex:0 0 auto;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;margin-top:4px}
.mark.no{background:rgba(110,100,114,.12);color:var(--muted)}
.mark.yes{background:rgba(46,158,143,.15);color:#1F7A6E}
.cmp-note{margin-bottom:24px;font-size:15px;color:var(--muted)}

/* ============ timeline ============ */
.tl{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;margin-top:12px}
.tl::before{content:"";position:absolute;left:0;right:0;top:11px;height:1px;background:var(--line)}
.tl-item{position:relative;padding:0 14px 0 0}
.tl-dot{width:13px;height:13px;border-radius:50%;background:var(--accent);border:3px solid var(--bg-alt);position:relative;z-index:2;margin-bottom:16px;box-shadow:0 0 0 1px rgba(228,87,46,.4)}
.tl-item h3{font-size:15px;margin-bottom:6px}
.tl-item span{font-size:12.5px;color:var(--muted);display:block}

/* ============ news / cms ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);transition:.22s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:16px;line-height:1.6;margin:10px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a:hover{color:var(--accent-dark);text-decoration:underline;text-underline-offset:3px}
.news-body p{font-size:13.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:14px;font-size:13px;color:var(--muted);letter-spacing:.02em;display:flex;justify-content:space-between;gap:10px;align-items:center}
.empty-state{background:var(--card);border:1px dashed var(--line);border-radius:var(--r-lg);padding:52px 24px;text-align:center;color:var(--muted)}
.empty-state strong{display:block;color:var(--ink);font-size:16px;margin-bottom:6px}

/* ============ topics ============ */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.topic-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:.22s}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.topic-card .t-img{aspect-ratio:4/3;overflow:hidden}
.topic-card .t-img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.topic-card:hover .t-img img{transform:scale(1.05)}
.topic-card .t-body{padding:16px 18px 20px}
.topic-card h3{font-size:16px;margin-bottom:6px}
.topic-card p{font-size:13px;color:var(--muted)}

/* ============ changelog ============ */
.log-list{display:grid;gap:14px}
.log-row{display:grid;grid-template-columns:120px 1fr;gap:18px;background:var(--card);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:var(--r-sm);padding:16px 20px;transition:.2s}
.log-row:hover{box-shadow:var(--shadow)}
.log-ver{font-weight:700;color:var(--ink);font-size:15px}
.log-ver em{display:block;font-style:normal;font-size:12.5px;color:var(--muted);font-weight:400}
.log-row p{font-size:14px;color:var(--muted)}

/* ============ guarantee ============ */
.g-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.g-card{border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 20px;background:transparent;transition:.2s}
.g-card:hover{background:rgba(255,255,255,.6);border-color:rgba(46,158,143,.4)}
.g-ico{width:36px;height:36px;border-radius:10px;background:rgba(46,158,143,.13);color:#1F7A6E;display:grid;place-items:center;font-weight:700;margin-bottom:14px}
.g-card h3{font-size:16px;margin-bottom:6px}
.g-card p{font-size:13.5px;color:var(--muted)}

/* ============ flow ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:flow}
.flow-item{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px 20px 22px;box-shadow:var(--shadow)}
.flow-item .num{width:32px;height:32px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px;margin-bottom:14px}
.flow-item h3{font-size:15.5px;margin-bottom:6px}
.flow-item p{font-size:13px;color:var(--muted)}
.flow-item:not(:last-child)::after{content:"→";position:absolute;right:-13px;top:50%;transform:translateY(-50%);color:var(--accent);font-weight:700;font-size:15px;z-index:2}

/* ============ reviews ============ */
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rev-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow)}
.rev-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--ink),var(--accent));color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px;flex:0 0 auto}
.rev-name{font-size:14px;font-weight:600;color:var(--ink)}
.rev-role{font-size:12px;color:var(--muted)}
.rev-card p{font-size:14px;color:var(--text)}
.stars{margin-top:12px;color:var(--accent);letter-spacing:3px;font-size:13px}

/* ============ quick answer ============ */
.qa-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.qa-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px}
.qa-card strong{display:block;font-size:15px;color:var(--ink);margin-bottom:8px}
.qa-card p{font-size:13.5px;color:var(--muted)}

/* ============ faq ============ */
.faq-list{display:grid;gap:10px;max-width:900px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-sm);background:var(--card);overflow:hidden;transition:.2s}
.faq-item[open]{border-color:rgba(228,87,46,.4);box-shadow:var(--shadow)}
.faq-item summary{list-style:none;cursor:pointer;padding:16px 52px 16px 20px;font-weight:600;font-size:15px;color:var(--ink);position:relative;transition:.2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(228,87,46,.05)}
.faq-item summary::after{content:"";position:absolute;right:20px;top:50%;width:8px;height:8px;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:translateY(-70%) rotate(45deg);transition:.25s}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-body{padding:0 20px 18px;font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;margin-top:0}

/* ============ join form ============ */
.join-wrap{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.join-copy h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px}
.join-copy p{color:var(--muted);font-size:14.5px}
.check-list{margin-top:20px;font-size:14px}
.check-list li{padding-left:24px;position:relative;margin-bottom:9px;color:var(--text)}
.check-list li::before{content:"✓";position:absolute;left:0;top:1px;color:var(--teal);font-weight:700}
.join-form{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 14px;font-size:14px;background:var(--bg);transition:.2s}
.field textarea{resize:vertical;min-height:96px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--teal);background:#fff;box-shadow:0 0 0 3px rgba(46,158,143,.13)}
.form-tip{margin-top:12px;font-size:12px;color:var(--muted);text-align:center}

/* ============ download ============ */
.dl-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.dl-copy h2{font-size:clamp(22px,2.6vw,30px);color:#F7F4EF;margin-bottom:14px}
.dl-copy p{color:rgba(247,244,239,.75);font-size:14.5px}
.dl-card{background:rgba(247,244,239,.06);border:1px solid rgba(247,244,239,.18);border-radius:var(--r-lg);padding:26px}
.dl-rows{display:grid;gap:10px;margin-bottom:20px}
.dl-row{display:flex;justify-content:space-between;gap:14px;font-size:13.5px;color:rgba(247,244,239,.78);border-bottom:1px dashed rgba(247,244,239,.16);padding-bottom:9px}
.dl-row strong{color:#fff;font-weight:600}
.dl-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ footer ============ */
.site-foot{background:var(--ink);color:rgba(247,244,239,.75);padding:60px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.foot-brand .brand{margin-bottom:14px}
.foot-brand p{font-size:13.5px;max-width:280px}
.socials{display:flex;gap:10px;margin-top:16px}
.socials a{width:32px;height:32px;border-radius:9px;border:1px solid rgba(247,244,239,.24);display:grid;place-items:center;font-size:12px;transition:.2s}
.socials a:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.foot-col h4{font-size:14px;color:#F7F4EF;margin-bottom:14px;letter-spacing:.04em}
.foot-col li{margin-bottom:9px;font-size:13.5px}
.foot-col a{transition:.2s}
.foot-col a:hover{color:var(--accent)}
.foot-bottom{border-top:1px solid rgba(247,244,239,.14);padding:18px 0 22px;font-size:12.5px;color:rgba(247,244,239,.55)}
.foot-bottom .container{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

/* ============ responsive ============ */
@media (max-width:1023px){
  .head-search{max-width:220px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .chan-grid,.news-grid,.topic-grid,.rev-grid,.qa-grid{grid-template-columns:repeat(2,1fr)}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .svc-lg{grid-column:span 2;grid-row:auto}
  .g-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow-item:nth-child(2)::after{display:none}
  .tl{grid-template-columns:repeat(2,1fr);gap:26px 0}
  .tl::before{display:none}
  .join-wrap,.dl-wrap,.cmp-wrap{grid-template-columns:1fr;gap:26px}
  .foot-grid{grid-template-columns:repeat(2,1fr);gap:30px}
  .section{padding:56px 0}
  .log-row{grid-template-columns:1fr;gap:6px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .channel-scroll{padding:9px 16px 11px}
  .head-search,.head-cta{display:none}
  .menu-toggle{display:flex;margin-left:auto}
  .hero{padding:60px 0 52px}
  .hero h1{font-size:28px}
  .hero-lead{font-size:14.5px}
  .hero-trust{font-size:12.5px;gap:6px 18px}
  .section{padding:40px 0}
  .metric-grid,.chan-grid,.news-grid,.topic-grid,.rev-grid,.qa-grid,.svc-grid,.g-grid,.flow{grid-template-columns:1fr}
  .svc-lg{grid-column:span 1}
  .flow-item::after{display:none}
  .tl{grid-template-columns:1fr;gap:18px}
  .btn{width:100%}
  .hero-actions .play-btn{width:auto}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .news-meta{flex-wrap:wrap}
  .dl-actions .btn{width:100%}
}
@media (max-width:520px){
  .brand-text strong{font-size:12.5px;white-space:normal}
  .brand-text em{display:none}
  .hero h1{font-size:25px}
}

/* roulang page: article */
:root{
  --ink:#2E2233;
  --ink-2:#3C2E42;
  --accent:#E4572E;
  --accent-dark:#C8451F;
  --teal:#2E9E8F;
  --bg:#F7F4EF;
  --bg-alt:#EFEAE3;
  --card:#FFFFFF;
  --line:#E3DCD2;
  --text:#2B2630;
  --muted:#6E6472;
  --r-lg:14px;
  --r-sm:10px;
  --shadow:0 6px 20px rgba(46,34,51,.07);
  --shadow-hover:0 12px 28px rgba(46,34,51,.12);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:15.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink)}
p{margin:0}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.narrow{max-width:760px;margin:0 auto}

/* ============ header ============ */
.site-head{position:sticky;top:0;z-index:120;background:var(--ink);color:#F7F4EF;box-shadow:0 1px 0 rgba(0,0,0,.18)}
.head-bar{background:var(--ink)}
.head-inner{display:flex;align-items:center;gap:14px;min-height:64px;padding-top:8px;padding-bottom:8px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700;flex:0 0 auto}
.brand-text strong{display:block;font-size:14.5px;letter-spacing:.02em;line-height:1.3;color:#F7F4EF}
.brand-text em{display:block;font-size:11px;font-style:normal;color:rgba(247,244,239,.6);letter-spacing:.08em;line-height:1.5}
.head-search{display:flex;align-items:center;gap:6px;margin-left:auto;flex:1 1 auto;max-width:320px;background:rgba(247,244,239,.1);border:1px solid rgba(247,244,239,.18);border-radius:999px;padding:4px 4px 4px 14px;transition:.2s}
.head-search:focus-within{border-color:rgba(46,158,143,.85);background:rgba(247,244,239,.15)}
.head-search input{flex:1 1 auto;min-width:0;background:none;border:0;outline:none;color:#F7F4EF;font-size:13.5px;padding:2px 0}
.head-search input::placeholder{color:rgba(247,244,239,.5)}
.head-search button{flex:0 0 auto;background:var(--accent);color:#fff;border-radius:999px;padding:5px 14px;font-size:12.5px;transition:.2s}
.head-search button:hover{background:var(--accent-dark)}
.head-cta{flex:0 0 auto}
.menu-toggle{display:none;width:40px;height:36px;border-radius:9px;border:1px solid rgba(247,244,239,.28);flex-direction:column;justify-content:center;align-items:center;gap:4px}
.menu-toggle span{display:block;width:16px;height:2px;background:#F7F4EF;border-radius:2px}
.channel-bar{background:var(--ink-2);border-top:1px solid rgba(247,244,239,.08)}
.channel-scroll{display:flex;gap:8px;overflow-x:auto;padding-top:10px;padding-bottom:10px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.channel-scroll::-webkit-scrollbar{display:none}
.pill{flex:0 0 auto;padding:5px 15px;border-radius:999px;border:1px solid rgba(247,244,239,.26);font-size:13px;color:rgba(247,244,239,.8);transition:.2s;white-space:nowrap}
.pill:hover{background:rgba(247,244,239,.13);color:#fff}
.pill.active{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
.mobile-drawer{display:none;background:#fff;color:var(--text);padding:18px 20px 22px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
.mobile-drawer.open{display:block}
.drawer-search{display:flex;gap:8px;margin-bottom:16px}
.drawer-search input{flex:1;min-width:0;border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-size:14px;background:var(--bg)}
.drawer-search button{background:var(--accent);color:#fff;border-radius:999px;padding:9px 18px;font-size:14px}
.drawer-pills{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:16px}
.drawer-pills a{display:block;padding:8px 12px;border-radius:10px;border:1px solid var(--line);font-size:13.5px;color:var(--ink);background:var(--bg)}
.drawer-pills a.active{background:var(--accent);border-color:var(--accent);color:#fff}
.drawer-cta{display:block;text-align:center;background:var(--accent);color:#fff;border-radius:10px;padding:11px;font-weight:600}

/* ============ buttons / badges ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:var(--r-sm);font-size:14.5px;font-weight:600;border:1.5px solid transparent;transition:all .2s ease;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);box-shadow:inset 0 1px 0 rgba(0,0,0,.14)}
.btn-outline{border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:rgba(46,34,51,.07)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 11px;border-radius:999px;font-size:12px;letter-spacing:.03em;background:rgba(228,87,46,.1);color:var(--accent-dark);border:1px solid rgba(228,87,46,.22)}
.badge-teal{background:rgba(46,158,143,.12);color:#1F7A6E;border-color:rgba(46,158,143,.24)}
.badge-grey{background:rgba(46,34,51,.06);color:var(--muted);border-color:var(--line)}
.text-link{color:var(--accent-dark);font-weight:600;font-size:14px;border-bottom:1px solid transparent;transition:.2s}
.text-link:hover{border-bottom-color:var(--accent)}

/* ============ article head ============ */
.art-head-sec{padding:22px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:26px}
.crumb a{color:var(--muted);transition:.2s}
.crumb a:hover{color:var(--accent-dark)}
.crumb .sep{color:#BFB5AC}
.crumb-cur{color:var(--ink);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.art-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.art-head h1{font-size:clamp(24px,3.4vw,36px);line-height:1.35;letter-spacing:.01em;max-width:26em}
.art-meta{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:18px;font-size:13px;color:var(--muted);letter-spacing:.02em}
.art-meta span{display:inline-flex;align-items:center;gap:7px}
.art-meta i{width:5px;height:5px;border-radius:50%;background:var(--teal);display:inline-block}
.art-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;padding-bottom:28px;border-bottom:1px solid var(--line)}
.art-share{display:inline-flex;align-items:center;gap:6px;padding:7px 16px;border:1px solid var(--line);border-radius:999px;font-size:13px;color:var(--ink);background:#fff;transition:.2s}
.art-share:hover{border-color:var(--accent);color:var(--accent-dark);box-shadow:var(--shadow)}

/* ============ article body ============ */
.art-body-sec{padding:34px 0 8px}
.cms-content{font-size:16px;line-height:1.9;color:var(--text);word-break:break-word}
.cms-content p{margin:0 0 1.05em}
.cms-content > p:first-of-type{padding-left:18px;border-left:3px solid var(--accent);color:var(--ink-2)}
.cms-content h2{font-size:clamp(20px,2.4vw,25px);line-height:1.45;margin:2em 0 .7em;padding-left:12px;border-left:4px solid var(--accent);color:var(--ink)}
.cms-content h3{font-size:18px;line-height:1.5;margin:1.6em 0 .6em;color:var(--ink)}
.cms-content h4{font-size:16px;line-height:1.6;margin:1.4em 0 .5em;color:var(--ink-2)}
.cms-content ul,.cms-content ol{padding-left:1.4em;margin:0 0 1.1em}
.cms-content li{margin:.35em 0}
.cms-content img{border-radius:8px;margin:1.2em 0;width:100%;height:auto}
.cms-content figure{margin:1.2em 0}
.cms-content figcaption{font-size:12.5px;color:var(--muted);text-align:center;margin-top:8px}
.cms-content blockquote{margin:1.4em 0;padding:14px 20px;background:var(--bg-alt);border-left:3px solid var(--accent);border-radius:0 10px 10px 0;color:var(--ink-2);font-size:15px}
.cms-content blockquote p:last-child{margin-bottom:0}
.cms-content pre{background:#F1EDE7;border:1px solid var(--line);border-radius:10px;padding:14px 16px;overflow-x:auto;font-size:13.5px;line-height:1.7}
.cms-content code{font-family:ui-monospace,Menlo,Consolas,monospace;background:#F1EDE7;padding:1px 5px;border-radius:5px;font-size:.92em}
.cms-content pre code{background:none;padding:0;font-size:inherit}
.cms-content a{color:var(--accent-dark);border-bottom:1px solid rgba(228,87,46,.4);transition:.2s}
.cms-content a:hover{border-bottom-color:var(--accent);color:var(--accent-dark)}
.cms-content hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.cms-content table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:14.5px}
.cms-content th,.cms-content td{border:1px solid var(--line);padding:9px 12px;text-align:left}
.cms-content th{background:var(--bg-alt);color:var(--ink)}
.art-empty{text-align:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:52px 24px;box-shadow:var(--shadow)}
.art-empty h2{font-size:21px;margin-bottom:12px}
.art-empty p{color:var(--muted);font-size:14.5px;max-width:44ch;margin:0 auto 22px}

/* ============ key points ============ */
.art-points-sec{padding:36px 0 0}
.art-points{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 28px;box-shadow:var(--shadow)}
.art-points h2{font-size:19px;margin-bottom:16px}
.art-points ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.art-points li{display:flex;gap:11px;font-size:14.5px;color:var(--ink-2);line-height:1.75}
.tick{flex:0 0 auto;width:20px;height:20px;border-radius:50%;background:rgba(46,158,143,.14);color:#1F7A6E;display:grid;place-items:center;font-size:12px;margin-top:4px}

/* ============ related ============ */
.rel-sec{padding:60px 0;margin-top:44px;background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:28px}
.sec-head h2{font-size:clamp(20px,2.6vw,26px);line-height:1.4}
.sec-head p{color:var(--muted);font-size:14px;margin-top:8px;max-width:62ch}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;display:flex;flex-direction:column}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.rel-thumb{aspect-ratio:16/9;background:var(--bg-alt);overflow:hidden}
.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:16px 18px 18px;display:flex;flex-direction:column;gap:9px;flex:1}
.rel-body .badge{align-self:flex-start}
.rel-body h3{font-size:15.5px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:.2s}
.rel-card:hover h3{color:var(--accent-dark)}
.rel-time{font-size:12.5px;color:var(--muted);margin-top:auto;letter-spacing:.02em}

/* ============ tail nav ============ */
.art-tail-sec{padding:44px 0 56px}
.pn-bar{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.pn-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:16px 18px;transition:.2s}
.pn-item:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-2px)}
.pn-item span{display:block;font-size:12px;color:var(--muted);letter-spacing:.08em;margin-bottom:7px}
.pn-item strong{font-size:14.5px;color:var(--ink);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-weight:600}
.pn-item.next{text-align:right}
.channel-nav{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:28px;padding-top:22px;border-top:1px dashed var(--line);font-size:14px}

/* ============ cta bar ============ */
.cta-bar{background:var(--ink);color:rgba(247,244,239,.9);padding:46px 0}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px}
.cta-inner h2{color:#F7F4EF;font-size:clamp(20px,2.4vw,26px);line-height:1.4}
.cta-inner p{color:rgba(247,244,239,.72);font-size:14px;margin-top:8px;max-width:56ch}

/* ============ footer ============ */
.site-foot{background:var(--ink);color:rgba(247,244,239,.82);padding:56px 0 0;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:32px;padding-bottom:40px}
.foot-brand .brand{margin-bottom:14px}
.foot-brand p{font-size:13.5px;color:rgba(247,244,239,.66);line-height:1.8;max-width:32ch}
.socials{display:flex;gap:10px;margin-top:16px}
.socials a{width:32px;height:32px;border-radius:9px;border:1px solid rgba(247,244,239,.22);display:grid;place-items:center;font-size:13px;color:rgba(247,244,239,.8);transition:.2s}
.socials a:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.foot-col h4{font-size:14px;color:#F7F4EF;margin-bottom:14px;letter-spacing:.04em}
.foot-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.foot-col li{font-size:13.5px;color:rgba(247,244,239,.66)}
.foot-col a{color:rgba(247,244,239,.72);transition:.2s;border-bottom:1px solid transparent}
.foot-col a:hover{color:var(--accent)}
.foot-bottom{border-top:1px solid rgba(247,244,239,.12);padding:16px 0}
.foot-bottom .container{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:12.5px;color:rgba(247,244,239,.5)}

/* ============ responsive ============ */
@media (max-width:1024px){
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:900px){
  .head-search{display:none}
  .head-cta{display:none}
  .menu-toggle{display:flex;margin-left:auto}
  .brand-text strong{font-size:13.5px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .art-head h1{font-size:25px}
  .art-head-sec{padding-top:16px}
  .crumb{margin-bottom:20px}
  .art-body-sec{padding-top:26px}
  .cms-content{font-size:15.5px;line-height:1.85}
  .art-points{padding:22px 18px}
  .rel-sec{padding:44px 0;margin-top:34px}
  .rel-grid{grid-template-columns:1fr}
  .pn-bar{grid-template-columns:1fr}
  .pn-item.next{text-align:left}
  .art-tail-sec{padding:34px 0 44px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .foot-grid{grid-template-columns:1fr;gap:24px}
  .foot-bottom .container{flex-direction:column;gap:6px}
}
@media (max-width:520px){
  .brand-text em{display:none}
  .brand-text strong{font-size:12.5px;white-space:normal;line-height:1.25;max-width:150px}
  .art-head h1{font-size:22px}
  .art-share{padding:6px 13px;font-size:12.5px}
  .btn{padding:10px 18px;font-size:14px}
  .cms-content h2{font-size:19px}
  .art-meta{gap:6px 14px;font-size:12.5px}
}

/* roulang page: category1 */
:root{
  --ink:#2E2233;
  --ink-2:#3C2E42;
  --accent:#E4572E;
  --accent-dark:#C8451F;
  --teal:#2E9E8F;
  --bg:#F7F4EF;
  --bg-alt:#EFEAE3;
  --card:#FFFFFF;
  --line:#E3DCD2;
  --text:#2B2630;
  --muted:#6E6472;
  --r-lg:14px;
  --r-sm:10px;
  --shadow:0 6px 20px rgba(46,34,51,.07);
  --shadow-hover:0 12px 28px rgba(46,34,51,.12);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:15.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:.01em}
p{margin:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ============ header ============ */
.site-head{position:sticky;top:0;z-index:120;background:var(--ink);color:#F7F4EF;box-shadow:0 1px 0 rgba(0,0,0,.18)}
.head-bar{background:var(--ink);color:#F7F4EF}
.head-inner{display:flex;align-items:center;gap:18px;min-height:64px;padding-top:9px;padding-bottom:9px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700;flex:0 0 auto}
.brand-text strong{display:block;font-size:14.5px;letter-spacing:.02em;line-height:1.3;white-space:nowrap}
.brand-text em{display:block;font-size:11px;font-style:normal;color:rgba(247,244,239,.6);letter-spacing:.08em;line-height:1.5;white-space:nowrap}
.head-search{display:flex;align-items:center;gap:6px;margin-left:auto;flex:1 1 auto;max-width:320px;background:rgba(247,244,239,.1);border:1px solid rgba(247,244,239,.18);border-radius:999px;padding:4px 4px 4px 14px;transition:.2s}
.head-search:focus-within{border-color:rgba(46,158,143,.85);background:rgba(247,244,239,.15)}
.head-search input{flex:1 1 auto;min-width:0;background:none;border:0;outline:none;color:#F7F4EF;font-size:13.5px;padding:2px 0}
.head-search input::placeholder{color:rgba(247,244,239,.5)}
.head-search button{flex:0 0 auto;background:var(--accent);color:#fff;border-radius:999px;padding:5px 14px;font-size:12.5px;transition:.2s}
.head-search button:hover{background:var(--accent-dark)}
.head-cta{flex:0 0 auto}
.menu-toggle{display:none;width:40px;height:36px;border-radius:9px;border:1px solid rgba(247,244,239,.28);flex-direction:column;justify-content:center;align-items:center;gap:4px;margin-left:auto}
.menu-toggle span{display:block;width:16px;height:2px;background:#F7F4EF;border-radius:2px}
.channel-bar{background:#281D2C;border-top:1px solid rgba(247,244,239,.1)}
.channel-scroll{display:flex;gap:8px;overflow-x:auto;padding-top:10px;padding-bottom:10px;scrollbar-width:none}
.channel-scroll::-webkit-scrollbar{display:none}
.pill{flex:0 0 auto;padding:5px 15px;border-radius:999px;border:1px solid rgba(247,244,239,.26);font-size:13px;color:rgba(247,244,239,.8);transition:.2s;white-space:nowrap}
.pill:hover{background:rgba(247,244,239,.13);color:#fff}
.pill.active{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
.mobile-drawer{display:none;background:#fff;color:var(--text);padding:18px 20px 22px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
.mobile-drawer.open{display:block}
.drawer-search{display:flex;gap:8px;margin-bottom:16px}
.drawer-search input{flex:1;min-width:0;border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-size:14px;background:var(--bg)}
.drawer-search button{background:var(--accent);color:#fff;border-radius:999px;padding:9px 18px;font-size:14px}
.drawer-pills{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:16px}
.drawer-pills a{display:block;padding:8px 12px;border-radius:10px;border:1px solid var(--line);font-size:13.5px;color:var(--ink);background:var(--bg)}
.drawer-pills a.active{background:var(--accent);border-color:var(--accent);color:#fff}
.drawer-cta{display:block;text-align:center;background:var(--accent);color:#fff;border-radius:10px;padding:11px;font-weight:600}

/* ============ buttons ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:var(--r-sm);font-size:14.5px;font-weight:600;border:1.5px solid transparent;transition:all .2s ease;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);box-shadow:inset 0 1px 0 rgba(0,0,0,.14)}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:rgba(46,34,51,.07)}
.btn-on-dark{background:var(--accent);color:#fff}
.btn-on-dark:hover{background:var(--accent-dark)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 11px;border-radius:999px;font-size:12px;letter-spacing:.03em;background:rgba(228,87,46,.1);color:var(--accent-dark);border:1px solid rgba(228,87,46,.22)}
.badge-grey{background:rgba(46,34,51,.06);color:var(--muted);border-color:var(--line)}
.badge-teal{background:rgba(46,158,143,.12);color:#1F7A6E;border-color:rgba(46,158,143,.24)}

/* ============ sections ============ */
.section{padding:72px 0}
.section-alt{background:var(--bg-alt)}
.section-tight{padding:48px 0}
.sec-head{margin-bottom:30px;max-width:760px}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35}
.sec-head p{margin-top:10px;color:var(--muted);font-size:14.5px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.text-link{color:var(--accent-dark);font-weight:600;font-size:14px;border-bottom:1px solid transparent;transition:.2s}
.text-link:hover{border-bottom-color:var(--accent)}

/* ============ category hero ============ */
.cat-hero{background:var(--bg-alt);border-bottom:1px solid var(--line);padding:52px 0 46px}
.cat-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 296px;gap:44px;align-items:center}
.crumb{font-size:12.5px;color:var(--muted);letter-spacing:.05em;margin-bottom:14px}
.crumb a:hover{color:var(--accent-dark)}
.crumb span{margin:0 6px;color:#B9AFA4}
.cat-hero h1{font-size:clamp(26px,3.2vw,38px);line-height:1.32;margin-bottom:14px}
.cat-hero .lead{color:var(--muted);font-size:15px;margin-bottom:4px}
.cat-stats{border:1px solid var(--line);border-radius:var(--r-lg);background:rgba(255,255,255,.66);padding:6px 20px;list-style:none}
.cat-stats li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:13.5px;color:var(--muted)}
.cat-stats li:last-child{border-bottom:0}
.cat-stats strong{font-size:17px;color:var(--ink);font-variant-numeric:tabular-nums}

/* ============ filter bar ============ */
.filter-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:30px}
.chip-row{display:flex;gap:8px;flex-wrap:wrap}
.chip{padding:6px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:13.5px;color:var(--muted);transition:.2s}
.chip:hover{border-color:var(--accent);color:var(--accent-dark)}
.chip.active{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
.sort-btn{font-size:13px;color:var(--muted);border-bottom:1px dashed var(--line);padding-bottom:2px;transition:.2s}
.sort-btn:hover{color:var(--accent-dark);border-color:var(--accent)}

/* ============ post grid ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease;display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.thumb{display:block;position:relative;aspect-ratio:16/9;background:#E7DFD5;overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .thumb img{transform:scale(1.04)}
.post-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:9px;flex:1}
.post-body h3{font-size:16.5px;line-height:1.55;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover .post-body h3{color:var(--accent-dark)}
.post-desc{font-size:13.5px;color:var(--muted);line-height:1.75;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:12.5px;color:var(--muted);margin-top:auto;padding-top:10px;border-top:1px solid var(--line);letter-spacing:.02em}
.empty-state{grid-column:1/-1;text-align:center;background:var(--bg-alt);border:1px dashed var(--line);border-radius:var(--r-lg);padding:54px 24px}
.empty-state strong{display:block;font-size:16px;color:var(--ink);margin-bottom:8px}
.empty-state span{font-size:13.5px;color:var(--muted)}
.pager{display:flex;justify-content:center;gap:8px;margin-top:36px;flex-wrap:wrap}
.pager a,.pager span{min-width:38px;height:38px;padding:0 12px;display:grid;place-items:center;border-radius:9px;border:1px solid var(--line);background:#fff;font-size:13.5px;color:var(--muted);transition:.2s}
.pager a:hover{border-color:var(--accent);color:var(--accent-dark)}
.pager .current{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600}
.pager .disabled{opacity:.45}
.list-more{text-align:center;margin-top:34px}

/* ============ scene ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.scene-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.scene-ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:rgba(228,87,46,.12);color:var(--accent-dark);font-weight:700;font-size:15px;margin-bottom:14px}
.scene-card h3{font-size:17px;margin-bottom:8px}
.scene-card p{font-size:13.8px;color:var(--muted);line-height:1.8}

/* ============ guide ============ */
.guide-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
.guide-grid h3{font-size:19px;margin-bottom:12px}
.guide-grid p{color:var(--muted);font-size:14.5px;margin-bottom:14px}
.guide-figure{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);margin-top:20px;aspect-ratio:16/9;background:#E7DFD5}
.guide-figure img{width:100%;height:100%;object-fit:cover}
.point-list{list-style:none;display:grid;gap:12px}
.point-list li{display:flex;gap:12px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);padding:14px 16px;font-size:14px;color:var(--text)}
.point-list b{flex:0 0 auto;color:var(--accent-dark)}

/* ============ rank ============ */
.rank-list{list-style:none;max-width:900px}
.rank-item{display:flex;align-items:flex-start;gap:18px;padding:16px 0;border-bottom:1px solid var(--line)}
.rank-item:first-child{padding-top:0}
.rank-no{font-size:26px;font-weight:700;line-height:1.1;color:rgba(46,34,51,.16);font-variant-numeric:tabular-nums;flex:0 0 auto}
.rank-main{min-width:0}
.rank-main a{font-size:15px;font-weight:600;color:var(--ink);display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-main a:hover{color:var(--accent-dark)}
.rank-time{font-size:12.5px;color:var(--muted);letter-spacing:.03em}

/* ============ mini topics ============ */
.mini-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.mini-card{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 20px}
.mini-card .mini-ico{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:#fff;border:1px solid var(--line);color:var(--accent-dark);font-weight:700;font-size:14px;margin-bottom:12px}
.mini-card h3{font-size:15.5px;margin-bottom:6px}
.mini-card p{font-size:13px;color:var(--muted);line-height:1.75}

/* ============ faq ============ */
.faq-list{max-width:880px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 4px;font-weight:600;font-size:15px;color:var(--ink);transition:.2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--accent-dark);background:rgba(228,87,46,.04)}
.faq-item summary::after{content:"⌄";font-size:17px;color:var(--accent);line-height:1;transition:transform .22s ease}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-body{padding:0 4px 18px;color:var(--muted);font-size:14px;line-height:1.85;max-width:70ch}

/* ============ cta strip ============ */
.cta-strip{background:var(--ink);color:rgba(247,244,239,.86);border-radius:var(--r-lg);padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap}
.cta-strip h2{color:#F9F6F1;font-size:clamp(20px,2.4vw,26px);margin-bottom:8px}
.cta-strip p{font-size:14px;color:rgba(247,244,239,.72)}

/* ============ footer ============ */
.site-foot{background:var(--ink);color:rgba(247,244,239,.78);padding-top:56px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1fr;gap:38px;padding-bottom:42px}
.foot-brand .brand-text strong{color:#F9F6F1}
.foot-brand .brand-text em{color:rgba(247,244,239,.55)}
.foot-brand p{font-size:13.5px;line-height:1.85;margin:16px 0;max-width:32em}
.socials{display:flex;gap:8px}
.socials a{width:32px;height:32px;border-radius:9px;border:1px solid rgba(247,244,239,.24);display:grid;place-items:center;font-size:12.5px;color:rgba(247,244,239,.8);transition:.2s}
.socials a:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.foot-col h4{font-size:13.5px;color:#F9F6F1;margin-bottom:14px;letter-spacing:.06em;font-weight:600}
.foot-col ul{list-style:none;display:grid;gap:9px;font-size:13.5px}
.foot-col a:hover{color:var(--accent)}
.foot-bottom{border-top:1px solid rgba(247,244,239,.14);padding:18px 0;font-size:12.5px;color:rgba(247,244,239,.55)}
.foot-bottom .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ============ responsive ============ */
@media (max-width:1023px){
  .head-search{display:none}
  .menu-toggle{display:flex}
  .section{padding:56px 0}
  .cat-hero{padding:42px 0 38px}
  .cat-hero-grid{grid-template-columns:1fr;gap:26px}
  .cat-stats{max-width:420px}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .mini-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .guide-grid{grid-template-columns:1fr;gap:32px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-strip{padding:30px 28px}
}
@media (min-width:1024px){
  .mobile-drawer{display:none!important}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .head-cta{display:none}
  .brand-text strong{font-size:13px}
  .brand-text em{font-size:10px}
  .section{padding:42px 0}
  .cat-hero h1{font-size:26px}
  .post-grid{grid-template-columns:1fr;gap:18px}
  .scene-grid{grid-template-columns:1fr}
  .mini-grid{grid-template-columns:1fr}
  .rank-main a{white-space:normal}
  .cta-strip{padding:26px 22px}
  .cta-strip .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-bottom .container{flex-direction:column;gap:6px}
  .pager a,.pager span{min-width:34px;height:34px;font-size:12.5px}
}