/* roulang page: index */
:root{
  --clay:#B4472B; --clay-dark:#8F3620; --clay-soft:#F7E6DF;
  --olive:#55684C; --olive-soft:#E9EEE1;
  --ink:#2B211B; --dim:#7A6A5F;
  --paper:#F8F4EC; --paper-alt:#F1E8DA; --card:#FFFDF8; --line:#E4D8C6;
  --err:#9B3A2E; --ok:#4C6B4A;
  --r-btn:10px; --r-card:16px; --r-lg:20px;
  --shadow-sm:0 1px 2px rgba(43,33,27,.06);
  --shadow-md:0 10px 24px -14px rgba(43,33,27,.22);
  --shadow-lg:0 24px 48px -28px rgba(43,33,27,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding-left:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--clay)}
img{max-width:100%;display:block;border:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:88px 0}}
.section-alt{background:var(--paper-alt)}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--clay);margin-bottom:10px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px}
.section-head h2{font-size:26px;line-height:1.28;font-weight:700;letter-spacing:-.01em}
@media(min-width:1024px){.section-head h2{font-size:31px}}
.section-sub{margin-top:10px;font-size:15px;color:var(--dim);max-width:620px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--clay);border-bottom:1px solid transparent;transition:border-color .2s,color .2s}
.link-more:hover{color:var(--clay-dark);border-bottom-color:var(--clay-dark)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:700;letter-spacing:.01em;white-space:nowrap;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease}
.btn-primary{background:var(--clay);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--clay-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
.btn-ghost{background:var(--card);color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--clay);color:var(--clay);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;font-size:12px;font-weight:700;padding:4px 12px;letter-spacing:.04em;line-height:1.6}
.badge-clay{background:var(--clay-soft);color:var(--clay-dark)}
.badge-olive{background:var(--olive-soft);color:var(--olive)}
.badge-line{background:var(--card);border:1px solid var(--line);color:var(--dim)}

/* 头部 */
.site-header{position:sticky;top:0;z-index:60;background:var(--paper);border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:var(--shadow-sm)}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:0}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--clay);display:grid;place-items:center;color:#fff;flex:0 0 auto}
.brand-name{font-size:16px;font-weight:800;letter-spacing:.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media(min-width:768px){.brand-name{font-size:17px}}
.brand-actions{display:flex;align-items:center;gap:10px}
.search-box{display:none;align-items:center;gap:8px;height:40px;padding:0 14px;border:1px solid var(--line);background:var(--card);border-radius:999px;transition:border-color .2s,box-shadow .2s}
.search-box:focus-within{border-color:var(--clay);box-shadow:0 0 0 3px rgba(180,71,43,.12)}
.search-box input{border:0;background:transparent;outline:none;width:132px;font-size:14px;color:var(--ink)}
.search-box input::placeholder{color:#A79789}
@media(min-width:1024px){.search-box{display:flex}}
.service-link{display:none;font-size:14px;font-weight:600;color:var(--dim)}
.service-link:hover{color:var(--clay)}
@media(min-width:1140px){.service-link{display:inline-block}}
.hamburger{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink)}
.hamburger:hover{border-color:var(--clay);color:var(--clay)}
@media(min-width:1024px){.hamburger{display:none}}

/* 频道行 */
.channel-row{background:var(--paper-alt);border-bottom:1px solid var(--line)}
.channel-inner{display:flex;align-items:stretch;gap:2px;height:48px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel{position:relative;display:inline-flex;align-items:center;height:48px;padding:0 14px;font-size:15px;font-weight:700;color:var(--dim);white-space:nowrap;transition:background-color .18s ease,color .18s ease}
.channel:hover{background:var(--card);color:var(--ink)}
.channel.active{color:var(--ink)}
.channel.active::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;background:var(--clay);border-radius:2px}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:90;background:var(--paper);display:none;flex-direction:column;padding:20px}
.drawer.open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:52px}
.drawer-close{width:42px;height:42px;border:1px solid var(--line);border-radius:10px;display:grid;place-items:center;background:var(--card)}
.drawer-nav{margin-top:18px;display:flex;flex-direction:column}
.drawer-nav a{padding:16px 4px;font-size:18px;font-weight:700;border-bottom:1px solid var(--line);color:var(--ink)}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--clay)}
.drawer-foot{margin-top:auto;padding-top:20px;display:flex;flex-direction:column;gap:12px}
.drawer-tel{font-size:14px;color:var(--dim)}

/* Hero */
.hero{padding:44px 0 8px}
@media(min-width:1024px){.hero{padding:72px 0 16px}}
.hero-grid{display:grid;gap:36px}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.04fr .96fr;gap:56px;align-items:center}}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
h1.hero-title{font-size:31px;line-height:1.22;font-weight:800;letter-spacing:-.01em}
@media(min-width:768px){h1.hero-title{font-size:40px}}
@media(min-width:1024px){h1.hero-title{font-size:47px}}
.hero-lead{margin-top:16px;font-size:16px;line-height:1.75;color:var(--dim);max-width:520px}
@media(min-width:1024px){.hero-lead{font-size:17px}}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);margin-top:32px;padding-top:20px;border-top:1px solid var(--line)}
.hero-stats>div{padding:0 10px;border-left:1px solid var(--line)}
.hero-stats>div:first-child{border-left:0;padding-left:0}
.stat-value{font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.4}
@media(min-width:768px){.stat-value{font-size:19px}}
.stat-label{font-size:12px;letter-spacing:.06em;color:var(--dim);margin-top:2px}
.hero-visual{position:relative}
.hero-img-wrap{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--paper-alt);aspect-ratio:16/11}
.hero-img-wrap img{width:100%;height:100%;object-fit:cover}
.hero-mini-card{position:absolute;left:0;bottom:-16px;width:38%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-md);overflow:hidden}
@media(min-width:768px){.hero-mini-card{left:auto;right:-6px;width:42%}}
.hero-mini-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--paper-alt)}
.hero-mini-text{padding:8px 10px 10px}
.hero-mini-text strong{display:block;font-size:12px;font-weight:700;line-height:1.5}
.hero-mini-text span{display:block;font-size:11px;color:var(--dim);line-height:1.5}

/* 信任条 */
.trust{margin-top:44px;padding:0}
.trust-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media(min-width:768px){.trust-grid{grid-template-columns:repeat(4,1fr);gap:0}}
.trust-item{display:flex;align-items:center;gap:10px;padding:0 8px}
@media(min-width:768px){.trust-item{border-left:1px solid var(--line);padding:0 18px}.trust-item:first-child{border-left:0;padding-left:0}}
.trust-item svg{flex:0 0 auto;color:var(--olive)}
.trust-item span{font-size:14px;font-weight:600;line-height:1.5}

/* 权益阶梯 */
.ladder{display:grid;gap:18px;margin-top:34px}
@media(min-width:1024px){.ladder{grid-template-columns:repeat(3,1fr);align-items:end;gap:24px}}
.ladder-step{position:relative;display:flex;flex-direction:column;justify-content:space-between;gap:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.ladder-step:hover{border-color:rgba(180,71,43,.4);box-shadow:var(--shadow-md);transform:translateY(-2px)}
@media(min-width:1024px){
  .ladder-step.lv1{min-height:200px}
  .ladder-step.lv2{min-height:240px}
  .ladder-step.lv3{min-height:280px}
}
.ladder-step.lv3{background:var(--clay-soft);border-color:rgba(180,71,43,.55)}
.ladder-num{font-family:Georgia,"Songti SC",serif;font-size:34px;line-height:1;color:rgba(180,71,43,.26);font-variant-numeric:tabular-nums}
.ladder-step h3{font-size:18px;font-weight:700;line-height:1.45;margin-top:10px}
.ladder-step p{font-size:14px;color:var(--dim);line-height:1.75;margin-top:8px}

/* 对比表 */
.table-wrap{margin-top:32px;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--card)}
.table-scroll{overflow-x:auto}
table.plan{width:100%;min-width:720px;border-collapse:collapse;font-size:15px}
table.plan th,table.plan td{padding:14px 16px;text-align:center;border-bottom:1px solid var(--line)}
table.plan tbody tr:nth-child(even){background:var(--paper)}
table.plan tbody tr:last-child td{border-bottom:0}
table.plan th:first-child,table.plan td:first-child{text-align:left;position:sticky;left:0;background:var(--card);z-index:2;font-weight:600;min-width:190px;box-shadow:1px 0 0 var(--line)}
table.plan tbody tr:nth-child(even) td:first-child{background:var(--paper)}
table.plan thead th{background:var(--card);vertical-align:top;padding-top:20px;padding-bottom:16px}
table.plan thead th.rec{background:var(--clay-soft);border-top:3px solid var(--clay)}
table.plan td.rec{background:rgba(247,230,223,.55)}
.plan-name{font-size:17px;font-weight:700;line-height:1.4}
.plan-price{margin-top:6px;font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--clay-dark)}
.plan-note{font-size:12px;color:var(--dim);margin-top:2px}
.tick{display:inline-grid;place-items:center;color:var(--olive)}
.dash{display:inline-block;width:14px;height:2px;border-radius:2px;background:#C9BBAB;vertical-align:middle}

/* 限时块 */
.limit-block{margin-top:0;background:var(--ink);color:var(--paper);border-radius:var(--r-lg);padding:28px;display:grid;gap:24px}
@media(min-width:1024px){.limit-block{grid-template-columns:1.15fr auto auto;align-items:center;gap:32px;padding:40px}}
.limit-block h2{font-size:23px;font-weight:700;line-height:1.35;color:var(--paper)}
@media(min-width:1024px){.limit-block h2{font-size:27px}}
.limit-block p{margin-top:8px;font-size:14px;color:rgba(248,244,236,.72);line-height:1.7}
.countdown{display:flex;gap:10px}
.cd-cell{width:56px;height:64px;border-radius:8px;background:rgba(255,255,255,.08);display:flex;flex-direction:column;align-items:center;justify-content:center}
.cd-num{font-size:26px;font-weight:700;line-height:1.05;font-variant-numeric:tabular-nums}
.cd-label{font-size:11px;color:rgba(248,244,236,.62);margin-top:2px}

/* 最新信息 */
.cms-grid{display:grid;gap:20px;margin-top:32px}
@media(min-width:768px){.cms-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.cms-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.cms-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.cms-card:hover{border-color:rgba(180,71,43,.4);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.cms-thumb{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:var(--paper-alt)}
.cms-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out}
.cms-card:hover .cms-thumb img{transform:scale(1.03)}
.cms-badge{position:absolute;left:12px;top:12px;background:var(--clay-soft);color:var(--clay-dark);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:700;line-height:1.6}
.cms-body{display:flex;flex-direction:column;flex:1;padding:18px 20px 16px}
.cms-body h3{font-size:18px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-body h3 a:hover{color:var(--clay)}
.cms-desc{margin-top:8px;font-size:14px;line-height:1.65;color:var(--dim);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--dim)}
.cms-meta a{font-weight:700;color:var(--clay)}
.cms-meta a:hover{color:var(--clay-dark)}
.cms-empty{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:48px 20px;background:var(--card);border:1px dashed var(--line);border-radius:var(--r-card);color:var(--dim)}
.cms-empty p{font-size:15px}
.cms-empty a{font-size:14px;font-weight:700;color:var(--clay)}

/* 咨询表单 */
.consult-grid{display:grid;gap:36px}
@media(min-width:1024px){.consult-grid{grid-template-columns:1fr 1.05fr;gap:56px;align-items:start}}
.consult-points{margin-top:22px;display:flex;flex-direction:column;gap:14px}
.consult-points li{display:flex;gap:10px;font-size:15px;line-height:1.75;color:var(--dim)}
.consult-points svg{flex:0 0 auto;margin-top:5px;color:var(--olive)}
.contact-block{margin-top:26px;padding:18px 20px;background:var(--olive-soft);border-radius:var(--r-card);border:1px solid rgba(85,104,76,.18)}
.contact-block strong{display:block;font-size:15px;font-weight:700;color:var(--ink)}
.contact-block span{display:block;font-size:13px;color:#4B5A44;margin-top:4px;line-height:1.7}
.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-md);padding:22px}
@media(min-width:768px){.form-card{padding:28px}}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--dim);margin-bottom:6px}
.req{color:var(--clay);margin-left:2px}
.input,.select,.textarea{width:100%;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--ink);font-size:15px;transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease}
.input,.select{height:44px;padding:0 12px}
.textarea{min-height:112px;padding:10px 12px;line-height:1.7;resize:vertical}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--clay);box-shadow:0 0 0 3px rgba(180,71,43,.14)}
.check-row{display:flex;align-items:flex-start;gap:8px;font-size:13px;color:var(--dim);line-height:1.7}
.check-row input{margin-top:4px;width:16px;height:16px;accent-color:var(--clay);flex:0 0 auto}
.check-row a{color:var(--clay);font-weight:600;border-bottom:1px solid rgba(180,71,43,.35)}
.form-note{margin-top:12px;font-size:12px;color:var(--dim);line-height:1.7}
.form-msg{margin-top:12px;border-radius:10px;padding:10px 12px;font-size:13px;line-height:1.7;display:none}
.form-msg.ok{display:block;background:var(--olive-soft);color:#3F573D}
.form-msg.err{display:block;background:#F8E3DF;color:var(--err)}

/* FAQ */
.faq-grid{display:grid;gap:14px;margin-top:32px}
@media(min-width:1024px){.faq-grid{grid-template-columns:repeat(2,1fr);gap:16px 24px;align-items:start}}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s ease,background-color .2s ease}
.faq-item.open{background:#FBF6EE;border-color:rgba(180,71,43,.3)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;text-align:left;padding:16px 18px;font-size:16px;font-weight:600;line-height:1.6}
.faq-q:hover{color:var(--clay)}
.faq-icon{flex:0 0 auto;color:var(--clay);transition:transform .22s ease}
.faq-item.open .faq-icon{transform:rotate(180deg)}
.faq-a{padding:0 18px 16px;border-top:1px solid var(--line);font-size:15px;line-height:1.85;color:var(--dim)}
.faq-a p{padding-top:12px}

/* 底部 CTA */
.cta-bar{background:var(--paper-alt);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
@media(min-width:768px){.cta-bar{padding:30px 34px}}
.cta-bar h2{font-size:20px;font-weight:700;line-height:1.4}
.cta-bar p{margin-top:6px;font-size:14px;color:var(--dim)}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(248,244,236,.78);padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.3fr .8fr .8fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-mark{background:var(--clay)}
.footer-brand-name{font-size:16px;font-weight:800;color:#F8F4EC}
.footer-desc{margin-top:14px;font-size:13px;line-height:1.8;color:rgba(248,244,236,.62);max-width:300px}
.footer-col h3{font-size:13px;font-weight:700;letter-spacing:.08em;color:rgba(248,244,236,.55);margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(248,244,236,.82)}
.footer-col a:hover{color:#E8B7A4}
.footer-col li span{font-size:14px;color:rgba(248,244,236,.82);display:block;line-height:1.75}
.footer-bottom{margin-top:40px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.footer-bottom p{font-size:12.5px;color:rgba(248,244,236,.55);line-height:1.8}
.to-top{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:rgba(248,244,236,.78)}
.to-top:hover{color:#E8B7A4}
@media(max-width:1023px){
  .hero-mini-card{bottom:-14px}
  .limit-block .btn{width:100%}
  .countdown{flex-wrap:wrap}
}

/* roulang page: article */
:root{
  --clay:#B4472B;
  --clay-dark:#8F3620;
  --clay-soft:#F7E6DF;
  --olive:#55684C;
  --olive-soft:#E9EEE1;
  --ink:#2B211B;
  --ink-soft:#7A6A5F;
  --paper:#F8F4EC;
  --paper-alt:#F1E8DA;
  --card:#FFFDF8;
  --line:#E4D8C6;
  --err:#9B3A2E;
  --ok:#4C6B4A;
  --r-btn:10px;
  --r-card:16px;
  --r-lg:20px;
  --shadow-sm:0 1px 2px rgba(43,33,27,.06);
  --shadow-md:0 10px 24px -14px rgba(43,33,27,.22);
  --shadow-lg:0 24px 48px -28px rgba(43,33,27,.28);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--clay);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 24px;}}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:70px;}
.brand{display:flex;align-items:center;gap:10px;min-width:0;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:10px;
  background:var(--clay);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-sm);
}
.brand-name{
  font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.brand-name:hover{color:var(--clay);}
.brand-tools{display:flex;align-items:center;gap:14px;}
.hotline{
  display:none;align-items:center;gap:7px;font-size:13px;color:var(--ink-soft);
  font-variant-numeric:tabular-nums;font-weight:600;
}
.hotline svg{color:var(--olive);}
.search-mini{display:none;align-items:center;gap:8px;}
.search-mini input{
  width:168px;height:38px;padding:0 12px;border:1px solid var(--line);
  border-radius:var(--r-btn);background:var(--card);font-size:13px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-mini input:focus{
  outline:none;border-color:var(--clay);box-shadow:0 0 0 2px var(--clay-soft);
}
.search-mini button{
  height:38px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--card);font-size:13px;font-weight:600;cursor:pointer;
  transition:all .2s ease;
}
.search-mini button:hover{border-color:var(--clay);color:var(--clay);}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--clay);color:#fff;border:1px solid var(--clay);
  padding:0 20px;height:44px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;cursor:pointer;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
  box-shadow:var(--shadow-sm);
}
.btn-primary:hover{background:var(--clay-dark);border-color:var(--clay-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm);}
.btn-primary[disabled]{opacity:.45;cursor:not-allowed;transform:none;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--card);color:var(--ink);border:1px solid var(--line);
  padding:0 20px;height:44px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;cursor:pointer;
  transition:all .2s ease;
}
.btn-ghost:hover{border-color:var(--clay);color:var(--clay);transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-ghost:active{transform:translateY(0);}
.btn-nav{height:40px;padding:0 16px;font-size:14px;display:none;}
.menu-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--card);cursor:pointer;transition:all .2s ease;
}
.menu-toggle:hover{border-color:var(--clay);color:var(--clay);}
@media (min-width:900px){
  .hotline{display:flex;}
  .search-mini{display:flex;}
  .btn-nav{display:inline-flex;}
  .menu-toggle{display:none;}
}

/* ---------- Channel row ---------- */
.channel-row{background:var(--paper-alt);border-top:1px solid rgba(228,216,198,.6);}
.channel-inner{
  display:flex;align-items:center;gap:4px;height:48px;
  overflow-x:auto;scrollbar-width:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel{
  position:relative;flex:0 0 auto;
  padding:8px 14px;border-radius:999px;
  font-size:15px;font-weight:700;color:var(--ink-soft);white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.channel:hover{background:var(--card);color:var(--ink);}
.channel.active{color:var(--ink);}
.channel.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:var(--clay);border-radius:2px;
}

/* ---------- Mobile drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(43,33,27,.42);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:70;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);
  background:var(--paper);z-index:80;padding:22px 22px 26px;
  transform:translateX(102%);transition:transform .28s ease;
  display:flex;flex-direction:column;box-shadow:var(--shadow-lg);
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--card);cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{border-color:var(--clay);color:var(--clay);}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-links a{
  font-size:18px;font-weight:700;padding:13px 4px;border-bottom:1px solid var(--line);
}
.drawer-links a:hover{color:var(--clay);}
.drawer-foot{margin-top:auto;padding-top:22px;display:flex;flex-direction:column;gap:12px;}
.drawer-foot .muted{font-size:13px;color:var(--ink-soft);}

/* ---------- Breadcrumb ---------- */
.crumb{padding:20px 0 0;}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-soft);}
.crumb-list a:hover{color:var(--clay);}
.crumb-sep{color:var(--line);}
.crumb-current{color:var(--ink);font-weight:600;}

/* ---------- Article head ---------- */
.article-head{padding:22px 0 30px;border-bottom:1px solid var(--line);}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  background:var(--clay-soft);color:var(--clay-dark);
}
.tag-olive{background:var(--olive-soft);color:var(--olive);}
.tag-line{background:transparent;border:1px solid var(--line);color:var(--ink-soft);letter-spacing:.02em;}
.article-title{
  margin-top:16px;
  font-size:30px;line-height:1.24;font-weight:800;letter-spacing:-.01em;
  color:var(--ink);
}
@media (min-width:768px){.article-title{font-size:38px;}}
@media (min-width:1024px){.article-title{font-size:44px;}}
.article-meta{
  margin-top:18px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  font-size:13px;color:var(--ink-soft);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.article-meta time{font-variant-numeric:tabular-nums;}
.copy-btn{
  display:inline-flex;align-items:center;gap:6px;
  height:34px;padding:0 12px;border:1px solid var(--line);border-radius:999px;
  background:var(--card);font-size:12px;font-weight:600;color:var(--ink-soft);
  cursor:pointer;transition:all .2s ease;
}
.copy-btn:hover{border-color:var(--clay);color:var(--clay);}

/* ---------- Layout ---------- */
.article-wrap{padding:38px 0 64px;}
.article-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:1024px){
  .article-grid{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px;}
}
.article-main{min-width:0;}
.article-body{
  max-width:760px;
  font-size:17px;line-height:1.9;color:var(--ink);
}
.article-body p{margin:0 0 1.3em;}
.article-body h2{
  position:relative;
  margin:38px 0 18px;padding-left:16px;
  font-size:21px;line-height:1.4;font-weight:700;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:4px;width:3px;
  background:var(--clay);border-radius:3px;
}
.article-body h3{
  margin:30px 0 14px;font-size:18px;line-height:1.45;font-weight:700;
}
.article-body h4{margin:24px 0 12px;font-size:16px;font-weight:700;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:0;}
.article-body ul li{
  position:relative;padding-left:20px;margin-bottom:.55em;
}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.78em;
  width:6px;height:6px;border-radius:50%;background:var(--clay);
}
.article-body ol{counter-reset:step;}
.article-body ol li{
  position:relative;counter-increment:step;padding-left:36px;margin-bottom:.7em;
}
.article-body ol li::before{
  content:counter(step);
  position:absolute;left:0;top:.28em;
  width:24px;height:24px;border-radius:50%;
  background:var(--clay);color:#fff;
  font-size:12px;font-weight:700;line-height:24px;text-align:center;
  font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:1.5em 0;padding:16px 20px;
  background:var(--paper-alt);border-left:3px solid var(--olive);
  border-radius:0 12px 12px 0;color:var(--ink);
  font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:100%;height:auto;border-radius:12px;margin:1.6em 0 .6em;
  border:1px solid var(--line);
}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  font-size:12px;color:var(--ink-soft);text-align:center;line-height:1.6;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
  display:block;overflow-x:auto;
}
.article-body thead th{
  background:var(--paper-alt);font-weight:700;text-align:left;
  padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.article-body tbody td{
  padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top;
}
.article-body tbody tr:nth-child(even){background:rgba(241,232,218,.45);}
.article-body tbody tr:last-child td{border-bottom:none;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0;}
.article-body strong{font-weight:700;color:var(--ink);}
.article-body a{color:var(--clay);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--clay-dark);}

/* ---------- Empty state ---------- */
.empty-state{
  max-width:760px;padding:48px 28px;text-align:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);
}
.empty-state .empty-figure{
  width:74px;height:74px;margin:0 auto 20px;border-radius:18px;
  background:var(--paper-alt);border:1px dashed var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--olive);
}
.empty-state h2{font-size:20px;font-weight:700;margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--ink-soft);margin-bottom:22px;}

/* ---------- Sidebar ---------- */
.sidebar{display:flex;flex-direction:column;gap:20px;}
@media (min-width:1024px){.sidebar{position:sticky;top:136px;}}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-sm);
}
.side-card h2{
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--ink-soft);
  margin-bottom:14px;
}
.side-list{display:flex;flex-direction:column;gap:14px;}
.side-item{display:flex;gap:12px;align-items:flex-start;}
.side-item:hover .side-item-title{color:var(--clay);}
.side-thumb{
  width:64px;height:52px;flex:0 0 64px;border-radius:10px;overflow:hidden;
  border:1px solid var(--line);background:var(--paper-alt);
}
.side-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out;}
.side-item:hover .side-thumb img{transform:scale(1.05);}
.side-item-title{
  font-size:14px;font-weight:600;line-height:1.5;transition:color .2s ease;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.side-item-time{font-size:12px;color:var(--ink-soft);margin-top:4px;font-variant-numeric:tabular-nums;}
.side-contact{
  background:var(--olive-soft);border:1px solid rgba(85,104,76,.22);
  border-radius:var(--r-card);padding:22px;
}
.side-contact h2{color:var(--olive);font-size:13px;letter-spacing:.08em;margin-bottom:10px;}
.side-contact p{font-size:14px;line-height:1.7;color:#3E4C38;margin-bottom:16px;}
.side-contact .btn-primary{width:100%;background:var(--olive);border-color:var(--olive);}
.side-contact .btn-primary:hover{background:#45563E;border-color:#45563E;}

/* ---------- Article footer ---------- */
.article-foot{max-width:760px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line);}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px;}
.chip{
  display:inline-flex;align-items:center;padding:6px 13px;border-radius:999px;
  border:1px solid var(--line);background:var(--card);
  font-size:13px;color:var(--ink-soft);transition:all .2s ease;
}
.chip:hover{border-color:var(--clay);color:var(--clay);}
.page-nav{display:grid;grid-template-columns:1fr;gap:12px;}
@media (min-width:640px){.page-nav{grid-template-columns:1fr 1fr;}}
.page-nav a{
  display:block;padding:16px 18px;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--card);transition:all .2s ease;
}
.page-nav a:hover{border-color:rgba(180,71,43,.4);box-shadow:var(--shadow-md);}
.page-nav span{display:block;font-size:12px;color:var(--ink-soft);margin-bottom:6px;letter-spacing:.06em;}
.page-nav strong{font-size:15px;font-weight:700;}

/* ---------- Related ---------- */
.section{padding:56px 0;}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-label{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--clay);margin-bottom:10px;
}
.section-title{font-size:26px;line-height:1.28;font-weight:700;letter-spacing:-.01em;}
@media (min-width:768px){.section-title{font-size:30px;}}
.section-sub{margin-top:10px;font-size:15px;color:var(--ink-soft);max-width:560px;}
.text-link{font-size:14px;font-weight:700;color:var(--clay);display:inline-flex;align-items:center;gap:6px;}
.text-link:hover{color:var(--clay-dark);}
.related-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media (min-width:640px){.related-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr);}}
.card-soft{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.card-soft:hover{border-color:rgba(180,71,43,.4);box-shadow:var(--shadow-md);transform:translateY(-2px);}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--paper-alt);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out;}
.card-soft:hover .card-media img{transform:scale(1.03);}
.card-media .tag{position:absolute;left:12px;top:12px;}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{
  font-size:17px;line-height:1.45;font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body p{
  font-size:14px;line-height:1.7;color:var(--ink-soft);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--ink-soft);font-variant-numeric:tabular-nums;
}
.card-meta .read{color:var(--clay);font-weight:700;}

/* ---------- Bottom CTA ---------- */
.cta-band{
  background:var(--paper-alt);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;display:flex;flex-direction:column;gap:20px;
}
@media (min-width:768px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:40px;}
}
.cta-band h2{font-size:22px;line-height:1.35;font-weight:700;margin-bottom:8px;}
.cta-band p{font-size:15px;color:var(--ink-soft);}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}
.cta-actions .btn-primary,.cta-actions .btn-ghost{width:100%;}
@media (min-width:560px){.cta-actions .btn-primary,.cta-actions .btn-ghost{width:auto;}}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#E9E0D4;margin-top:16px;}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;
  padding:52px 0 36px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:var(--clay);color:#fff;}
.footer-brand-name{font-size:16px;font-weight:800;color:#F8F4EC;letter-spacing:-.01em;}
.footer-desc{font-size:14px;line-height:1.8;color:#B9AC9E;max-width:340px;}
.footer-col h3{font-size:13px;font-weight:700;letter-spacing:.08em;color:#F8F4EC;margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col span{font-size:14px;color:#B9AC9E;line-height:1.7;transition:color .2s ease;}
.footer-col a:hover{color:#F0A98F;}
.footer-bottom{
  padding:22px 0 30px;display:flex;flex-direction:column;gap:12px;
  font-size:13px;color:#9A8D80;
}
@media (min-width:900px){
  .footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;gap:20px;}
}
.to-top{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:#E9E0D4;
  align-self:flex-start;transition:color .2s ease;
}
.to-top:hover{color:#F0A98F;}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --clay:#B4472B;
  --clay-dark:#8F3620;
  --clay-soft:#F7E6DF;
  --olive:#55684C;
  --olive-soft:#E9EEE1;
  --ink:#2B211B;
  --ink-soft:#7A6A5F;
  --paper:#F8F4EC;
  --paper-alt:#F1E8DA;
  --card:#FFFDF8;
  --line:#E4D8C6;
  --danger:#9B3A2E;
  --ok:#4C6B4A;
  --r-btn:10px;
  --r-card:16px;
  --r-lg:20px;
  --shadow-sm:0 1px 2px rgba(43,33,27,.06);
  --shadow-md:0 10px 24px -14px rgba(43,33,27,.22);
  --shadow-lg:0 24px 48px -28px rgba(43,33,27,.28);
  --font-sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-serif:Georgia,"Songti SC","Source Han Serif SC",serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--paper);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease, border-color .2s ease, background-color .2s ease;}
a:hover{color:var(--clay);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media(min-width:768px){.container{padding:0 24px;}}
@media(min-width:1024px){.container{padding:0 32px;}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1.2;
  border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--clay);color:#FFFDF8;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--clay-dark);color:#FFFDF8;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm);}
.btn-outline{background:var(--card);color:var(--ink);border-color:var(--line);}
.btn-outline:hover{border-color:var(--clay);color:var(--clay);transform:translateY(-1px);box-shadow:var(--shadow-sm);}
.btn-outline:active{transform:translateY(0);}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;}

/* ============ 头图导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);}
.brand-row{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:70px;
}
.brand{display:flex;align-items:center;gap:10px;min-width:0;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:9px;
  background:var(--clay);color:#FFFDF8;
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-name{
  font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--ink);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.brand-tools{display:flex;align-items:center;gap:12px;}
.phone-link{
  display:none;align-items:center;gap:7px;
  font-size:14px;font-weight:600;color:var(--ink-soft);
}
.phone-link:hover{color:var(--clay);}
.search-box{
  display:none;align-items:center;
  height:38px;padding:0 6px 0 12px;
  background:var(--card);border:1px solid var(--line);border-radius:999px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--clay);box-shadow:0 0 0 2px var(--clay-soft);}
.search-box input{
  width:150px;border:none;background:transparent;outline:none;
  font-size:14px;color:var(--ink);
}
.search-box input::placeholder{color:#A6968A;}
.search-box button{
  width:28px;height:28px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-soft);
}
.search-box button:hover{color:var(--clay);background:var(--clay-soft);}
.nav-toggle{
  width:42px;height:42px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--card);color:var(--ink);
}
.nav-toggle:hover{border-color:var(--clay);color:var(--clay);}
@media(min-width:640px){.phone-link{display:inline-flex;}}
@media(min-width:1024px){
  .search-box{display:flex;}
  .brand-name{font-size:19px;}
}
@media(min-width:1280px){.nav-toggle{display:none;}}

/* 频道行 */
.channel-row{
  background:var(--paper-alt);
  border-top:1px solid var(--line);
}
.channel-inner{
  display:flex;align-items:center;gap:6px;
  height:50px;overflow-x:auto;scrollbar-width:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel{
  position:relative;
  padding:0 14px;height:38px;
  display:inline-flex;align-items:center;
  font-size:15px;font-weight:700;color:var(--ink-soft);
  border-radius:999px;white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.channel::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-6px;height:2px;
  background:transparent;border-radius:2px;transition:background-color .2s ease;
}
.channel:hover{background:var(--card);color:var(--ink);}
.channel.active{color:var(--ink);}
.channel.active::after{background:var(--clay);}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;
  background:var(--paper);
  display:none;flex-direction:column;
  padding:20px 20px 28px;
  overflow-y:auto;
}
.drawer.open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-list{display:flex;flex-direction:column;gap:4px;margin-bottom:26px;}
.drawer-list a{
  font-size:18px;font-weight:700;color:var(--ink);
  padding:14px 4px;border-bottom:1px solid var(--line);
}
.drawer-list a.active{color:var(--clay);}
.drawer-list a:hover{color:var(--clay);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:14px;padding-top:20px;border-top:1px solid var(--line);}
.drawer-foot small{font-size:13px;color:var(--ink-soft);}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:18px 0 0;font-size:13px;color:var(--ink-soft);
}
.breadcrumb a:hover{color:var(--clay);}
.breadcrumb .sep{color:#C7B7A6;}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ============ 频道头 ============ */
.page-head{
  position:relative;
  padding:34px 0 44px;
  overflow:hidden;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.14;
  z-index:0;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(248,244,236,.55),rgba(248,244,236,.96));
  z-index:0;
}
.page-head-inner{
  position:relative;z-index:1;
  display:grid;gap:24px;
}
.page-head h1{
  font-size:30px;line-height:1.24;font-weight:800;letter-spacing:-.01em;
  margin-bottom:14px;
}
.page-lead{font-size:16px;color:var(--ink-soft);max-width:640px;}
.page-head-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media(min-width:768px){
  .page-head{padding:44px 0 56px;}
  .page-head h1{font-size:38px;}
}
@media(min-width:1024px){
  .page-head-inner{grid-template-columns:1fr auto;align-items:end;gap:40px;}
  .page-head h1{font-size:46px;}
  .page-lead{font-size:17px;}
}

/* ============ 锚点 chips ============ */
.chips-bar{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--card);
}
.chips-inner{
  display:flex;gap:10px;align-items:center;
  padding:14px 0;overflow-x:auto;scrollbar-width:none;
}
.chips-inner::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 16px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--ink-soft);
  background:var(--paper);border:1px solid var(--line);
  white-space:nowrap;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.chip:hover{color:var(--clay);border-color:var(--clay);background:var(--clay-soft);}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--olive);}

/* ============ 板块通用 ============ */
.section{padding:56px 0;}
.section-alt{background:var(--paper-alt);}
@media(min-width:1024px){.section{padding:88px 0;}}
.section-head{margin-bottom:32px;display:grid;gap:10px;}
.eyebrow{
  font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--clay);text-transform:uppercase;
}
.section-head h2{font-size:26px;line-height:1.3;font-weight:700;letter-spacing:-.01em;}
.section-head p{font-size:15px;color:var(--ink-soft);max-width:660px;}
@media(min-width:1024px){
  .section-head h2{font-size:31px;}
  .section-head p{font-size:16px;}
}
.head-split{display:grid;gap:16px;}
@media(min-width:1024px){
  .head-split{grid-template-columns:1fr auto;align-items:end;}
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--clay);
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.text-link:hover{border-bottom-color:var(--clay);color:var(--clay-dark);}

/* ============ 版本矩阵 ============ */
.version-grid{display:grid;gap:20px;}
@media(min-width:768px){.version-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.version-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
.version-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.version-card:hover{border-color:rgba(180,71,43,.4);box-shadow:var(--shadow-md);transform:translateY(-2px);}
.version-card.featured{
  border-color:var(--clay);
  background:linear-gradient(180deg,var(--clay-soft) 0%,var(--card) 42%);
  box-shadow:var(--shadow-md);
}
.version-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;}
.version-top h3{font-size:19px;font-weight:700;line-height:1.4;}
.badge{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.02em;
  background:var(--clay-soft);color:var(--clay-dark);
}
.badge-olive{background:var(--olive-soft);color:var(--olive);}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--ink-soft);}
.version-desc{font-size:14px;color:var(--ink-soft);line-height:1.75;margin-bottom:18px;}
.spec-list{border-top:1px solid var(--line);margin-bottom:20px;}
.spec-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 0;border-bottom:1px dashed var(--line);
  font-size:14px;
}
.spec-list .k{color:var(--ink-soft);}
.spec-list .v{font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;}
.spec-list .v.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;letter-spacing:.02em;}
.version-card .btn{margin-top:auto;}

/* ============ 图文交替 ============ */
.split{
  display:grid;gap:24px;align-items:center;
  padding:24px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.split:hover{border-color:rgba(180,71,43,.3);box-shadow:var(--shadow-md);}
.split + .split{margin-top:22px;}
.split-figure{
  overflow:hidden;border-radius:var(--r-card);
  border:1px solid var(--line);
  aspect-ratio:16/10;background:var(--paper-alt);
}
.split-figure img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease-out;}
.split:hover .split-figure img{transform:scale(1.03);}
.split-body h3{font-size:19px;font-weight:700;margin-bottom:10px;line-height:1.45;}
.split-body p{font-size:15px;color:var(--ink-soft);margin-bottom:14px;}
.tick-list{display:grid;gap:8px;}
.tick-list li{display:flex;gap:9px;font-size:14px;color:var(--ink);line-height:1.7;}
.tick-list svg{flex:0 0 16px;margin-top:5px;color:var(--olive);}
@media(min-width:900px){
  .split{grid-template-columns:1fr 1fr;gap:40px;padding:28px;}
  .split.reverse .split-figure{order:2;}
}

/* ============ 校验步骤 ============ */
.steps{position:relative;display:grid;gap:18px;}
@media(min-width:1024px){
  .steps{grid-template-columns:repeat(4,1fr);gap:20px;}
  .steps::before{
    content:"";position:absolute;left:6%;right:6%;top:26px;height:1px;
    border-top:1px dashed rgba(180,71,43,.45);
  }
}
.step{
  position:relative;z-index:1;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px 20px;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.step:hover{border-color:rgba(180,71,43,.4);box-shadow:var(--shadow-md);transform:translateY(-2px);}
.step-num{
  width:44px;height:44px;border-radius:50%;
  background:var(--clay);color:#FFFDF8;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:16px;font-weight:700;
  margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px;line-height:1.45;}
.step p{font-size:14px;color:var(--ink-soft);line-height:1.75;}

/* ============ FAQ ============ */
.faq-grid{display:grid;gap:14px;}
@media(min-width:1024px){.faq-grid{grid-template-columns:repeat(2,1fr);gap:16px;}}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
  transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(180,71,43,.35);}
.faq-item[data-open="true"]{background:#FBF6EE;border-color:rgba(180,71,43,.3);box-shadow:var(--shadow-sm);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
  padding:18px 20px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q:hover{color:var(--clay);}
.faq-icon{flex:0 0 18px;margin-top:3px;color:var(--clay);transition:transform .25s ease;}
.faq-item[data-open="true"] .faq-icon{transform:rotate(180deg);}
.faq-a{
  display:none;
  padding:0 20px 18px;
  font-size:15px;line-height:1.85;color:var(--ink-soft);
}
.faq-item[data-open="true"] .faq-a{display:block;}
.faq-a::before{
  content:"";display:block;height:1px;background:var(--line);margin-bottom:14px;
}

/* ============ 底部 CTA 条 ============ */
.cta-band{
  background:var(--paper-alt);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 24px;
  display:grid;gap:18px;
  box-shadow:var(--shadow-sm);
}
.cta-band h2{font-size:22px;font-weight:700;line-height:1.35;margin-bottom:8px;}
.cta-band p{font-size:15px;color:var(--ink-soft);}
.cta-band-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media(min-width:900px){
  .cta-band{grid-template-columns:1fr auto;align-items:center;padding:36px 40px;}
  .cta-band h2{font-size:26px;}
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:#EFE6DA;
  margin-top:0;
  padding:56px 0 28px;
}
.footer-grid{display:grid;gap:32px;}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:9px;}
.footer-brand-name{font-size:17px;font-weight:800;color:#FFFDF8;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(239,230,218,.66);max-width:340px;}
.footer-col h3{
  font-size:14px;font-weight:700;color:#FFFDF8;
  letter-spacing:.04em;margin-bottom:14px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col li{font-size:14px;color:rgba(239,230,218,.66);line-height:1.7;}
.footer-col a{color:rgba(239,230,218,.66);}
.footer-col a:hover{color:#E5A98F;}
.footer-bottom{
  margin-top:36px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:grid;gap:10px;
  font-size:13px;color:rgba(239,230,218,.55);
}
.footer-bottom p{line-height:1.75;}
.to-top{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:700;color:rgba(239,230,218,.8);
  justify-self:start;
}
.to-top:hover{color:#E5A98F;}
@media(min-width:900px){
  .footer-bottom{grid-template-columns:1fr auto;align-items:center;}
  .footer-bottom p:last-of-type{grid-column:1;}
  .to-top{grid-column:2;grid-row:1 / span 2;justify-self:end;align-self:center;}
}

/* 装饰网格纹（极少量） */
.grid-pattern{
  background-image:linear-gradient(rgba(228,216,198,.55) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(228,216,198,.55) 1px,transparent 1px);
  background-size:28px 28px;
}

@media(prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
    --brand:#B4472B;
    --brand-dark:#8F3620;
    --brand-soft:#F7E6DF;
    --olive:#55684C;
    --olive-soft:#E9EEE1;
    --ink:#2B211B;
    --muted:#7A6A5F;
    --paper:#F8F4EC;
    --paper-alt:#F1E8DA;
    --card:#FFFDF8;
    --line:#E4D8C6;
    --danger:#9B3A2E;
    --success:#4C6B4A;
    --radius-btn:10px;
    --radius-card:16px;
    --radius-panel:20px;
    --shadow-sm:0 1px 2px rgba(43,33,27,.06);
    --shadow-md:0 10px 24px -14px rgba(43,33,27,.22);
    --shadow-lg:0 24px 48px -28px rgba(43,33,27,.28);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color .2s ease;}
  a:hover{color:var(--brand);}
  button{font-family:inherit;cursor:pointer;}
  ::selection{background:var(--brand-soft);color:var(--brand-dark);}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:768px){.container{padding:0 24px;}}
  @media (min-width:1024px){.container{padding:0 32px;}}

  /* ---------- 双层导航 ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:var(--paper);border-bottom:1px solid var(--line);transition:box-shadow .2s ease;}
  .site-header.is-scrolled{box-shadow:var(--shadow-sm);}
  .brand-bar{height:72px;}
  .brand-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;}
  .brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
  .brand-mark{
    display:inline-flex;align-items:center;justify-content:center;
    width:38px;height:38px;border-radius:10px;background:var(--brand);color:#fff;flex:none;
  }
  .brand-name{font-size:17px;font-weight:800;letter-spacing:-0.01em;color:var(--ink);white-space:nowrap;}
  .brand-actions{display:flex;align-items:center;gap:12px;}
  .brand-phone{
    display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--muted);
    padding:8px 10px;border-radius:var(--radius-btn);
  }
  .brand-phone:hover{color:var(--brand);background:var(--brand-soft);}
  .search-box{
    display:none;align-items:center;gap:4px;border:1px solid var(--line);border-radius:999px;
    background:var(--card);padding:0 6px 0 12px;height:38px;transition:border-color .2s ease,box-shadow .2s ease;
  }
  .search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(180,71,43,.12);}
  .search-box input{
    border:0;background:transparent;outline:none;font-size:14px;color:var(--ink);width:132px;height:100%;
  }
  .search-box input::placeholder{color:#A9968A;}
  .search-box button{
    border:0;background:transparent;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;
    width:28px;height:28px;border-radius:999px;
  }
  .search-box button:hover{color:var(--brand);background:var(--brand-soft);}
  @media (min-width:1024px){
    .search-box{display:inline-flex;}
    .brand-name{font-size:18px;}
  }

  .btn-primary,.btn-ghost{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    font-size:15px;font-weight:700;line-height:1;border-radius:var(--radius-btn);
    padding:13px 20px;border:1px solid transparent;
    transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm);}
  .btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md);}
  .btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm);}
  .btn-ghost{background:var(--card);color:var(--ink);border-color:var(--line);}
  .btn-ghost:hover{color:var(--brand-dark);border-color:rgba(180,71,43,.45);background:#FFF9F4;transform:translateY(-1px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-sm{padding:10px 16px;font-size:14px;}
  .btn-block{width:100%;}
  .btn-primary[disabled],.btn-ghost[disabled]{opacity:.45;cursor:not-allowed;transform:none;}

  .menu-toggle{
    display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
    border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--card);color:var(--ink);
  }
  .menu-toggle:hover{border-color:rgba(180,71,43,.45);color:var(--brand);}
  @media (min-width:1024px){.menu-toggle{display:none;}}

  .channel-row{background:var(--paper-alt);border-top:1px solid rgba(228,216,198,.7);}
  .channel-inner{
    display:flex;align-items:center;gap:6px;height:50px;overflow-x:auto;scrollbar-width:none;
  }
  .channel-inner::-webkit-scrollbar{display:none;}
  .channel{
    position:relative;display:inline-flex;align-items:center;white-space:nowrap;
    font-size:15px;font-weight:700;color:var(--muted);padding:8px 14px;border-radius:999px;
    transition:background-color .2s ease,color .2s ease;
  }
  .channel:hover{background:var(--card);color:var(--ink);}
  .channel.active{color:var(--ink);}
  .channel.active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--brand);border-radius:2px;
  }

  /* ---------- 移动抽屉 ---------- */
  .drawer{
    position:fixed;inset:0;z-index:90;background:var(--paper);
    display:flex;flex-direction:column;padding:20px;transform:translateY(-8px);opacity:0;visibility:hidden;
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
  }
  .drawer.open{opacity:1;visibility:visible;transform:translateY(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
  .drawer-list{list-style:none;margin:20px 0 0;padding:0;display:flex;flex-direction:column;gap:4px;}
  .drawer-list a{
    display:block;font-size:18px;font-weight:700;padding:14px 6px;border-bottom:1px solid rgba(228,216,198,.75);color:var(--ink);
  }
  .drawer-list a.active{color:var(--brand);}
  .drawer-foot{margin-top:auto;padding-top:20px;display:grid;gap:10px;}
  .drawer-note{font-size:13px;color:var(--muted);}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{padding:20px 0 0;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:6px;}
  .breadcrumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
  .breadcrumb .current{color:var(--ink);font-weight:600;}
  .breadcrumb .sep{color:#C3B3A4;}

  /* ---------- 频道头 ---------- */
  .page-head{padding:28px 0 40px;}
  .page-head-inner{
    display:grid;gap:24px;align-items:end;
    grid-template-columns:1fr;
  }
  @media (min-width:900px){.page-head-inner{grid-template-columns:1fr auto;}}
  .eyebrow-chip{
    display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;letter-spacing:.08em;
    color:var(--brand-dark);background:var(--brand-soft);border-radius:999px;padding:5px 12px;
  }
  .page-title{
    margin:14px 0 12px;font-size:30px;line-height:1.2;font-weight:800;letter-spacing:-0.01em;
  }
  @media (min-width:768px){.page-title{font-size:40px;}}
  @media (min-width:1024px){.page-title{font-size:46px;}}
  .page-lead{margin:0;font-size:16px;color:var(--muted);max-width:640px;}
  @media (min-width:768px){.page-lead{font-size:17px;}}
  .head-actions{display:flex;flex-wrap:wrap;gap:10px;}

  /* ---------- 锚点 chips ---------- */
  .anchor-bar{padding:0 0 36px;}
  .anchor-list{display:flex;flex-wrap:wrap;gap:10px;}
  .anchor-chip{
    display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--muted);
    background:var(--card);border:1px solid var(--line);border-radius:999px;padding:9px 16px;
    transition:border-color .2s ease,color .2s ease,background-color .2s ease,transform .2s ease;
  }
  .anchor-chip .dot{width:6px;height:6px;border-radius:999px;background:var(--olive);}
  .anchor-chip:hover{color:var(--brand-dark);border-color:rgba(180,71,43,.45);background:#FFF9F4;transform:translateY(-1px);}

  /* ---------- 板块 ---------- */
  .section{padding:56px 0;}
  @media (min-width:1024px){.section{padding:88px 0;}}
  .section-alt{background:var(--paper-alt);}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
  .section-tag{
    display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--brand);
    margin-bottom:10px;
  }
  .section-title{margin:0;font-size:26px;line-height:1.28;font-weight:700;}
  @media (min-width:768px){.section-title{font-size:30px;}}
  .section-sub{margin:8px 0 0;font-size:15px;color:var(--muted);}
  .section-more{font-size:14px;font-weight:700;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px;}
  .section-more:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}

  /* ---------- 功能模块网格 ---------- */
  .feature-grid{display:grid;gap:20px;grid-template-columns:1fr;}
  @media (min-width:640px){.feature-grid{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.feature-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
  .feature-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:26px 24px;display:flex;flex-direction:column;gap:12px;
    transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
  }
  .feature-card:hover{border-color:rgba(180,71,43,.4);box-shadow:var(--shadow-md);transform:translateY(-2px);}
  .feature-icon{
    width:44px;height:44px;border-radius:12px;background:var(--olive-soft);color:var(--olive);
    display:inline-flex;align-items:center;justify-content:center;flex:none;
  }
  .feature-card h3{margin:0;font-size:18px;line-height:1.45;font-weight:600;}
  .feature-card p{margin:0;font-size:14px;line-height:1.8;color:var(--muted);}
  .feature-link{
    margin-top:auto;padding-top:6px;font-size:14px;font-weight:700;color:var(--brand-dark);
    display:inline-flex;align-items:center;gap:6px;
  }
  .feature-link:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}

  /* ---------- 操作路径步骤 ---------- */
  .steps{display:flex;flex-direction:column;gap:20px;}
  .step{
    display:grid;gap:16px;grid-template-columns:1fr;align-items:center;
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-panel);
    padding:24px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .step:hover{border-color:rgba(180,71,43,.35);box-shadow:var(--shadow-md);}
  .step-num{
    font-family:Georgia,"Songti SC","Noto Serif SC",serif;
    font-size:52px;line-height:1;font-weight:700;color:rgba(180,71,43,.22);letter-spacing:-0.03em;
  }
  .step h3{margin:0 0 8px;font-size:19px;line-height:1.45;font-weight:600;}
  .step p{margin:0;font-size:15px;line-height:1.85;color:var(--muted);max-width:560px;}
  @media (min-width:820px){
    .step{grid-template-columns:96px 1fr;padding:28px 32px;gap:24px;}
    .step.reverse{grid-template-columns:1fr 96px;}
    .step.reverse .step-num{order:2;text-align:right;}
    .step.reverse .step-body{order:1;}
  }

  /* ---------- 截图区 ---------- */
  .shot-grid{display:grid;gap:20px;grid-template-columns:1fr;}
  @media (min-width:768px){.shot-grid{grid-template-columns:repeat(2,1fr);gap:24px;}}
  .shot{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
    overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
  }
  .shot:hover{border-color:rgba(180,71,43,.4);box-shadow:var(--shadow-md);}
  .shot-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft);}
  .shot-media img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out;}
  .shot:hover .shot-media img{transform:scale(1.03);}
  .shot figcaption{padding:16px 20px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);}

  /* ---------- FAQ ---------- */
  .faq-list{display:grid;gap:14px;grid-template-columns:1fr;}
  @media (min-width:900px){.faq-list{grid-template-columns:repeat(2,1fr);gap:16px;}}
  .faq-item{
    background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;
    transition:border-color .2s ease,background-color .2s ease;
  }
  .faq-item.open{background:#FBF6EE;border-color:rgba(180,71,43,.45);}
  .faq-question{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;
    background:transparent;border:0;padding:18px 20px;text-align:left;
    font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
  }
  .faq-question:hover{color:var(--brand-dark);}
  .faq-icon{
    flex:none;width:22px;height:22px;border-radius:999px;border:1px solid var(--line);
    display:inline-flex;align-items:center;justify-content:center;color:var(--brand);
    transition:transform .2s ease,border-color .2s ease;
  }
  .faq-question[aria-expanded="true"] .faq-icon{transform:rotate(180deg);border-color:rgba(180,71,43,.5);}
  .faq-panel{padding:0 20px 18px;border-top:1px solid rgba(228,216,198,.8);}
  .faq-panel p{margin:14px 0 0;font-size:15px;line-height:1.85;color:var(--muted);}

  /* ---------- 频道互跳 ---------- */
  .jump-grid{display:grid;gap:16px;grid-template-columns:1fr;}
  @media (min-width:768px){.jump-grid{grid-template-columns:repeat(3,1fr);}}
  .jump-card{
    display:flex;flex-direction:column;gap:8px;background:var(--card);border:1px solid var(--line);
    border-radius:var(--radius-card);padding:22px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
  }
  .jump-card:hover{border-color:rgba(180,71,43,.4);box-shadow:var(--shadow-md);transform:translateY(-2px);color:var(--ink);}
  .jump-card .jump-tag{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--olive);}
  .jump-card h3{margin:0;font-size:17px;font-weight:600;}
  .jump-card p{margin:0;font-size:13px;color:var(--muted);line-height:1.7;}
  .jump-card .jump-arrow{margin-top:auto;padding-top:8px;font-size:14px;font-weight:700;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px;}

  /* ---------- 底部 CTA 条 ---------- */
  .cta-strip{padding:0 0 56px;}
  @media (min-width:1024px){.cta-strip{padding:0 0 88px;}}
  .cta-box{
    background:var(--paper-alt);border:1px solid var(--line);border-radius:var(--radius-panel);
    padding:28px;display:flex;flex-direction:column;gap:18px;align-items:flex-start;
  }
  @media (min-width:768px){
    .cta-box{flex-direction:row;align-items:center;justify-content:space-between;padding:32px 36px;}
  }
  .cta-box h2{margin:0;font-size:22px;font-weight:700;line-height:1.35;}
  .cta-box p{margin:6px 0 0;font-size:14px;color:var(--muted);}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:#E9DFD3;padding:56px 0 24px;margin-top:0;}
  .footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
  @media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
  .footer-brand-name{font-size:16px;font-weight:800;color:#F8F4EC;}
  .footer-desc{margin:0;font-size:14px;line-height:1.8;color:rgba(233,223,211,.72);max-width:360px;}
  .footer-col h3{margin:0 0 14px;font-size:15px;font-weight:700;color:#F8F4EC;}
  .footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(233,223,211,.72);}
  .footer-col a{color:rgba(233,223,211,.72);}
  .footer-col a:hover{color:#E9A98F;text-decoration:underline;text-underline-offset:3px;}
  .footer-bottom{
    margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px;font-size:13px;color:rgba(233,223,211,.6);
  }
  .footer-bottom p{margin:0;}
  .to-top{
    margin-left:auto;display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;
    color:#F8F4EC;border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:7px 14px;
  }
  .to-top:hover{color:#E9A98F;border-color:rgba(233,169,143,.55);}

  section[id]{scroll-margin-top:132px;}

/* roulang page: category3 */
:root{
  --terracotta:#B4472B;
  --terracotta-dark:#8F3620;
  --terracotta-soft:#F7E6DF;
  --olive:#55684C;
  --olive-soft:#E9EEE1;
  --ink:#2B211B;
  --ink-soft:#7A6A5F;
  --paper:#F8F4EC;
  --paper-alt:#F1E8DA;
  --card:#FFFDF8;
  --line:#E4D8C6;
  --err:#9B3A2E;
  --ok:#4C6B4A;
  --r-btn:10px;
  --r-card:16px;
  --r-block:20px;
  --shadow-sm:0 1px 2px rgba(43,33,27,.06);
  --shadow-md:0 10px 24px -14px rgba(43,33,27,.22);
  --shadow-lg:0 24px 48px -28px rgba(43,33,27,.28);
  --font-sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--paper);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease, background-color .2s ease, border-color .2s ease;}
a:hover{color:var(--terracotta);}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--terracotta);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media(min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media(min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

/* ============ 品牌行 ============ */
.site-header{position:sticky;top:0;z-index:60;}
.brand-bar{
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.brand-bar.is-scrolled{box-shadow:var(--shadow-sm);}
.brand-inner{
  height:70px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--terracotta);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;
  box-shadow:var(--shadow-sm);
}
.brand-name{
  font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;
}
.brand:hover .brand-name{color:var(--terracotta-dark);}
.brand-actions{display:flex;align-items:center;gap:12px;}
.hotline{font-size:13px;color:var(--ink-soft);white-space:nowrap;}
.hotline-num{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 12px;border:1px solid var(--line);border-radius:999px;
  background:var(--card);color:var(--ink-soft);min-width:190px;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--terracotta);box-shadow:0 0 0 3px rgba(180,71,43,.10);}
.search-box input{
  border:0;background:transparent;outline:none;font-size:13px;color:var(--ink);width:100%;
  font-family:inherit;
}
.search-box input::placeholder{color:#A6978A;}

/* 按钮 */
.btn-primary,.btn-outline,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;line-height:1;border-radius:var(--r-btn);
  padding:14px 22px;border:1px solid transparent;
  transition:transform .18s ease, background-color .18s ease, box-shadow .18s ease, color .18s ease, border-color .18s ease;
}
.btn-primary{background:var(--terracotta);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--terracotta-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm);}
.btn-outline{background:var(--card);color:var(--ink);border-color:var(--line);}
.btn-outline:hover{border-color:var(--terracotta);color:var(--terracotta-dark);transform:translateY(-1px);box-shadow:var(--shadow-sm);}
.btn-outline:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--terracotta-dark);padding:10px 2px;border-radius:0;border-bottom:1px solid transparent;}
.btn-ghost:hover{border-bottom-color:var(--terracotta);color:var(--terracotta-dark);}
.btn-sm{padding:10px 16px;font-size:14px;}
.btn-block{width:100%;}
.btn-primary[disabled],.btn-outline[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* 汉堡 */
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:var(--card);align-items:center;justify-content:center;color:var(--ink);
}
.nav-toggle:hover{border-color:var(--terracotta);color:var(--terracotta);}

/* 频道行 */
.channel-row{background:var(--paper-alt);border-bottom:1px solid var(--line);}
.channel-inner{
  display:flex;align-items:center;gap:4px;height:48px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel{
  padding:0 14px;font-size:15px;font-weight:700;color:var(--ink-soft);
  line-height:44px;border-bottom:2px solid transparent;white-space:nowrap;
  border-radius:6px 6px 0 0;
}
.channel:hover{background:var(--card);color:var(--ink);}
.channel.active{color:var(--ink);border-bottom-color:var(--terracotta);}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:var(--paper);
  transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-top{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--line);
}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:var(--card);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink);
}
.drawer-links{padding:12px 20px;display:flex;flex-direction:column;}
.drawer-links a{
  font-size:18px;font-weight:700;padding:16px 4px;border-bottom:1px solid var(--line);color:var(--ink);
}
.drawer-links a.active{color:var(--terracotta);}
.drawer-foot{margin-top:auto;padding:20px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:12px;}
.drawer-meta{font-size:13px;color:var(--ink-soft);}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-soft);padding:22px 0 0;
}
.crumb a{color:var(--ink-soft);}
.crumb a:hover{color:var(--terracotta);}
.crumb .sep{color:#C6B6A6;}
.crumb .current{color:var(--ink);font-weight:700;}

/* ============ 频道头 ============ */
.page-head{padding:26px 0 8px;}
.page-head-grid{
  display:grid;grid-template-columns:1fr;gap:32px;align-items:center;
}
@media(min-width:1024px){
  .page-head-grid{grid-template-columns:1.08fr .92fr;gap:48px;}
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;font-weight:700;color:var(--terracotta);
  background:var(--terracotta-soft);border-radius:999px;padding:6px 12px;
}
.page-title{
  margin-top:18px;
  font-size:30px;line-height:1.22;font-weight:800;letter-spacing:-.01em;color:var(--ink);
}
@media(min-width:768px){.page-title{font-size:40px;}}
@media(min-width:1024px){.page-title{font-size:46px;}}
.page-lead{
  margin-top:16px;font-size:16px;line-height:1.8;color:var(--ink-soft);max-width:560px;
}
@media(min-width:768px){.page-lead{font-size:17px;}}
.page-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;}
.page-media{
  position:relative;border-radius:var(--r-block);overflow:hidden;
  background:var(--paper-alt);border:1px solid var(--line);box-shadow:var(--shadow-md);
  aspect-ratio:16/11;
}
.page-media img{width:100%;height:100%;object-fit:cover;}
.media-fallback{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;color:#B9A894;font-size:13px;background:var(--paper-alt);
}
.media-tag{
  position:absolute;left:16px;bottom:16px;
  background:rgba(255,253,248,.94);border:1px solid var(--line);border-radius:999px;
  padding:6px 14px;font-size:12px;font-weight:700;color:var(--ink);
  box-shadow:var(--shadow-sm);backdrop-filter:saturate(120%);
}

/* ============ 板块通用 ============ */
.section{padding:56px 0;}
@media(min-width:1024px){.section{padding:88px 0;}}
.section-alt{background:var(--paper-alt);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;
  margin-bottom:32px;
}
.section-label{
  display:block;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--terracotta);
  margin-bottom:10px;
}
.section-title{font-size:25px;line-height:1.3;font-weight:700;color:var(--ink);}
@media(min-width:768px){.section-title{font-size:30px;}}
.section-sub{margin-top:10px;font-size:15px;color:var(--ink-soft);max-width:640px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--terracotta-dark);
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.text-link:hover{border-bottom-color:var(--terracotta);color:var(--terracotta-dark);}

/* ============ 安全承诺 ============ */
.promise-grid{
  display:grid;grid-template-columns:1fr;gap:16px;
}
@media(min-width:768px){.promise-grid{grid-template-columns:1fr 1fr;gap:20px 32px;}}
.promise-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 22px 22px 20px;transition:border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.promise-item:hover{border-color:rgba(180,71,43,.4);box-shadow:var(--shadow-md);transform:translateY(-1px);}
.promise-icon{
  width:44px;height:44px;flex-shrink:0;border-radius:12px;background:var(--olive-soft);
  display:inline-flex;align-items:center;justify-content:center;color:var(--olive);
}
.promise-title{font-size:17px;font-weight:700;color:var(--ink);line-height:1.45;}
.promise-text{margin-top:6px;font-size:14.5px;line-height:1.8;color:var(--ink-soft);}

/* ============ 帮助中心 FAQ ============ */
.faq-columns{display:grid;grid-template-columns:1fr;gap:18px;}
@media(min-width:1024px){.faq-columns{grid-template-columns:1fr 1fr;gap:24px;}}
.faq-col-title{
  display:flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--ink-soft);margin-bottom:14px;
}
.faq-col-title::before{content:"";width:22px;height:2px;background:var(--terracotta);border-radius:2px;}
.faq-col{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;
  transition:border-color .2s ease, background-color .2s ease, box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(180,71,43,.4);}
.faq-item.open{background:#FBF6EE;border-color:rgba(180,71,43,.3);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;
  background:transparent;border:0;text-align:left;padding:16px 18px;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q:hover{color:var(--terracotta-dark);}
.faq-ico{
  width:22px;height:22px;flex-shrink:0;color:var(--terracotta);
  transition:transform .25s ease;
}
.faq-item.open .faq-ico{transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
  border-top:1px solid transparent;
}
.faq-item.open .faq-a{border-top-color:var(--line);}
.faq-a-inner{padding:14px 18px 18px;font-size:15px;line-height:1.85;color:var(--ink-soft);}

/* ============ 联系块 ============ */
.contact-block{
  background:var(--olive-soft);border-radius:var(--r-block);
  padding:32px 24px;display:grid;gap:26px;align-items:center;
  border:1px solid rgba(85,104,76,.16);
}
@media(min-width:768px){
  .contact-block{grid-template-columns:1.3fr .7fr;padding:40px;}
}
.contact-title{font-size:23px;line-height:1.35;font-weight:700;color:#33402C;}
@media(min-width:768px){.contact-title{font-size:28px;}}
.contact-text{margin-top:12px;font-size:15px;line-height:1.85;color:#4A5741;max-width:560px;}
.contact-meta{
  margin-top:18px;display:flex;flex-wrap:wrap;gap:10px 24px;font-size:13px;color:#4A5741;
}
.contact-meta span{display:inline-flex;align-items:center;gap:6px;}
.contact-action{display:flex;flex-direction:column;gap:12px;}
.contact-note{font-size:12px;color:#4A5741;line-height:1.6;}

/* ============ 底部 CTA 条 ============ */
.cta-bar{
  background:var(--paper-alt);border:1px solid var(--line);border-radius:var(--r-block);
  padding:26px 24px;display:flex;flex-direction:column;gap:18px;align-items:flex-start;
}
@media(min-width:768px){
  .cta-bar{flex-direction:row;align-items:center;justify-content:space-between;padding:32px 36px;}
}
.cta-title{font-size:19px;font-weight:700;color:var(--ink);line-height:1.45;}
.cta-sub{margin-top:6px;font-size:14px;color:var(--ink-soft);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#EFE6DA;margin-top:56px;padding:56px 0 28px;}
@media(min-width:1024px){.site-footer{padding:72px 0 32px;}}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;
  padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12);
}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:var(--terracotta);box-shadow:none;}
.footer-brand-name{font-size:16px;font-weight:800;color:#F8F4EC;}
.footer-desc{font-size:14px;line-height:1.85;color:#B9AA9C;max-width:330px;}
.footer-col h3{font-size:13px;font-weight:700;letter-spacing:.06em;color:#F8F4EC;margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li,.footer-col a,.footer-col span{font-size:14px;color:#B9AA9C;line-height:1.7;}
.footer-col a:hover{color:#E8A78F;}
.footer-bottom{
  padding-top:22px;display:flex;flex-direction:column;gap:12px;
  font-size:12.5px;color:#9E8F82;
}
@media(min-width:768px){
  .footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;}
}
.footer-bottom p{margin:0;}
.to-top{
  display:inline-flex;align-items:center;gap:6px;color:#D9CABB;font-size:13px;font-weight:700;
}
.to-top:hover{color:#E8A78F;}

/* ============ 响应式 ============ */
@media(max-width:1023px){
  .search-box{display:none;}
  .hotline{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand-actions{gap:8px;}
  .brand-inner{height:64px;}
  .brand-name{font-size:15px;}
}
@media(max-width:639px){
  .page-title{font-size:28px;}
  .brand-name{max-width:190px;overflow:hidden;text-overflow:ellipsis;}
  .footer-desc{max-width:100%;}
}
@media(max-width:400px){
  .brand-name{max-width:150px;font-size:14px;}
}