/* roulang page: index */
:root{
  --ink-900:#0E2E33;--ink-700:#1B4A50;
  --brand-600:#E8552F;--brand-700:#C63F1D;--brand-100:#FDE8E0;
  --accent-500:#3FA79B;
  --bg-50:#FBF8F4;--bg-100:#F3EDE5;--line:#E5DCD1;
  --text-900:#1A2426;--text-600:#5A6A6C;
  --success:#2E9E6B;--warn:#E0A32B;--danger:#D93A2B;
  --r-card:14px;--r-btn:10px;--r-badge:6px;--r-img:12px;--r-gate:16px;
  --shadow-sm:0 1px 2px rgba(14,46,51,.06);
  --shadow-md:0 6px 20px rgba(14,46,51,.08);
  --shadow-lg:0 18px 48px rgba(14,46,51,.12);
  --ease:.22s cubic-bezier(.2,.7,.3,1);
  --num:"DIN Alternate","Barlow","HarmonyOS Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-50);color:var(--text-900);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ink-700);text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease)}
a:hover{color:var(--brand-600)}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:16px}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px}
.grid-container.wide{max-width:1280px}
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section-head{margin-bottom:40px}
.section-head .eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--brand-600);
  background:var(--brand-100);border-radius:var(--r-badge);padding:4px 10px;margin-bottom:14px;
}
.section-head h2{font-size:30px;line-height:1.3;color:var(--ink-900);font-weight:700}
.section-head p{margin-top:12px;color:var(--text-600);max-width:720px}
.section-head.row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.link-more{font-size:15px;font-weight:600;color:var(--brand-600)}
.link-more:hover{text-decoration:underline}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;line-height:1;white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--brand-700);color:#fff;box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--ink-700);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-600)}
.btn-light{background:#fff;color:var(--ink-900)}
.btn-light:hover{background:var(--brand-100);color:var(--brand-700)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;box-shadow:var(--shadow-sm)}
.brand-row{border-bottom:1px solid var(--line)}
.brand-row .grid-container{min-height:72px;display:flex;align-items:center}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand-mark{
  width:36px;height:36px;border-radius:9px;background:var(--brand-600);color:#fff;
  display:grid;place-items:center;font-size:17px;font-weight:700;letter-spacing:-.5px;
}
.brand-word{font-size:19px;font-weight:700;color:var(--ink-900);letter-spacing:.2px}
.brand-word em{font-style:normal;color:var(--brand-600)}
.brand-meta{
  margin-left:24px;font-size:13px;color:var(--text-600);padding-left:24px;
  border-left:1px solid var(--line);line-height:1.4;
}
.brand-meta strong{color:var(--ink-700);font-weight:600}
.brand-actions{margin-left:auto;display:flex;gap:12px}
.channel-row{background:var(--bg-100);border-bottom:1px solid var(--line)}
.channel-list{display:flex;align-items:center;gap:8px;min-height:48px;overflow-x:auto;scrollbar-width:none}
.channel-list::-webkit-scrollbar{display:none}
.channel{
  display:inline-flex;align-items:center;padding:7px 16px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--ink-700);white-space:nowrap;
}
.channel:hover{background:var(--brand-100);color:var(--brand-700);text-decoration:none}
.channel.active{background:var(--brand-600);color:#fff}
.channel.active:hover{background:var(--brand-700);color:#fff}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;padding:76px 0 68px;
  background-color:var(--bg-50);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cpath d='M0 70h140M70 0v140' stroke='%233FA79B' stroke-width='1' opacity='.07'/%3E%3Ccircle cx='70' cy='70' r='26' fill='none' stroke='%23E8552F' stroke-width='1' opacity='.06'/%3E%3C/svg%3E");
}
.hero-copy{padding-right:40px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:6px 14px;font-size:13px;color:var(--ink-700);box-shadow:var(--shadow-sm);
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--success);display:inline-block}
.hero h1{margin-top:20px;font-size:44px;line-height:1.2;color:var(--ink-900);font-weight:700}
.hero h1 span{color:var(--brand-600)}
.hero-sub{margin-top:18px;font-size:17px;color:var(--text-600);max-width:560px}
.hero-actions{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}
.hero-trust{margin-top:32px;display:flex;gap:28px;flex-wrap:wrap}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-700);font-weight:600}
.hero-trust svg{flex:0 0 auto}
.hero-visual{position:relative}
.hero-visual img{border-radius:var(--r-img);box-shadow:var(--shadow-md);width:100%;object-fit:cover}
.hero-badge{
  position:absolute;top:14px;left:14px;background:var(--brand-600);color:#fff;
  font-size:13px;font-weight:600;padding:5px 10px;border-radius:var(--r-badge);letter-spacing:.04em;
}

/* ---------- 数据条 ---------- */
.stat-strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat-strip .grid-container{padding-top:32px;padding-bottom:32px}
.stat-cell{padding:12px 20px;border-left:2px solid var(--accent-500)}
.stat-num{font-family:var(--num);font-variant-numeric:tabular-nums;font-size:32px;font-weight:700;color:var(--brand-600);line-height:1.1}
.stat-label{margin-top:6px;font-size:14px;color:var(--text-600)}

/* ---------- 优惠阶梯 ---------- */
.ladder{position:relative}
.ladder-item{
  display:flex;align-items:center;gap:20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--shadow-sm);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.ladder-item:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.ladder-item.active{border-color:var(--brand-600);background:var(--brand-100)}
.ladder-item + .ladder-item{margin-top:20px}
.ladder-step{
  flex:0 0 auto;width:40px;height:40px;border-radius:2px;background:var(--brand-600);color:#fff;
  display:grid;place-items:center;font-family:var(--num);font-size:18px;font-weight:700;
}
.ladder-main{flex:1 1 auto;min-width:0}
.ladder-main h3{font-size:21px;line-height:1.45;color:var(--ink-900);font-weight:700}
.ladder-main p{margin-top:6px;font-size:14px;color:var(--text-600)}
.ladder-value{
  flex:0 0 auto;text-align:right;font-family:var(--num);font-size:22px;font-weight:700;color:var(--brand-600);
  font-variant-numeric:tabular-nums;
}
.ladder-value small{display:block;font-family:inherit;font-size:13px;font-weight:400;color:var(--text-600)}
.ladder-item .btn{margin-left:8px}
.ladder-item:nth-child(2){margin-left:24px}
.ladder-item:nth-child(3){margin-left:48px}
.ladder-item:nth-child(4){margin-left:72px}
.ladder-note{margin-top:24px;font-size:14px;color:var(--text-600)}

/* ---------- 套餐对比 ---------- */
.compare-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-md)}
.plan-table{width:100%;border-collapse:collapse;margin:0}
.plan-table thead th{
  background:var(--bg-100);color:var(--ink-900);font-size:15px;font-weight:700;
  padding:20px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;
}
.plan-table thead th.metric-col{width:26%;background:#fff}
.plan-table thead th.recommend{background:var(--brand-100);position:relative}
.plan-name{display:block;font-size:18px;color:var(--ink-900);font-weight:700}
.plan-price{display:block;margin-top:8px;font-family:var(--num);font-size:26px;font-weight:700;color:var(--brand-600);font-variant-numeric:tabular-nums}
.plan-price small{font-family:inherit;font-size:13px;font-weight:400;color:var(--text-600);margin-left:4px}
.plan-flag{
  display:inline-block;margin-bottom:8px;background:var(--brand-600);color:#fff;font-size:12px;
  padding:3px 8px;border-radius:var(--r-badge);letter-spacing:.06em;
}
.plan-table tbody tr:nth-child(odd){background:var(--bg-50)}
.plan-table tbody th{
  text-align:left;font-weight:600;color:var(--ink-700);font-size:15px;padding:16px 18px;
  border-bottom:1px solid var(--line);background:#fff;
}
.plan-table tbody td{
  padding:16px 18px;font-size:15px;color:var(--text-900);border-bottom:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.plan-table tbody td.recommend{background:var(--brand-100);font-weight:600}
.plan-table tbody tr:last-child th,.plan-table tbody tr:last-child td{border-bottom:0}
.plan-table .plan-head-btn{margin-top:14px;display:inline-flex}
.plan-note{margin-top:20px;font-size:14px;color:var(--text-600)}

/* ---------- 限时入口条 ---------- */
.gate{background:var(--ink-900);color:#FBF8F4;border-radius:var(--r-gate);padding:32px 36px;box-shadow:var(--shadow-lg)}
.gate .grid-x{align-items:center}
.countdown{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(251,248,244,.7)}
.countdown b{
  font-family:var(--num);font-variant-numeric:tabular-nums;background:var(--brand-600);color:#fff;
  font-size:22px;font-weight:700;border-radius:6px;padding:6px 10px;letter-spacing:.04em;
}
.countdown i{font-style:normal;font-size:18px;color:rgba(251,248,244,.6)}
.gate-title{font-size:21px;font-weight:700;margin-top:14px;color:#fff}
.gate-desc{font-size:14px;color:rgba(251,248,244,.72);margin-top:8px}
.progress-track{height:8px;border-radius:999px;background:rgba(255,255,255,.16);overflow:hidden;margin-top:10px}
.progress-fill{height:100%;width:68%;border-radius:999px;background:linear-gradient(90deg,var(--accent-500),var(--brand-600))}
.progress-meta{display:flex;justify-content:space-between;font-size:13px;color:rgba(251,248,244,.72);margin-top:8px}
.progress-meta strong{color:#fff;font-family:var(--num);font-variant-numeric:tabular-nums}

/* ---------- 资讯列表 ---------- */
.news-grid{margin-top:-12px}
.news-card{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:box-shadow var(--ease),transform var(--ease);
}
.news-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);text-decoration:none}
.news-thumb{position:relative;background:var(--bg-100);aspect-ratio:16/9;overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.3,1)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-cat{
  position:absolute;top:12px;left:12px;background:rgba(14,46,51,.72);color:#fff;
  font-size:13px;padding:4px 10px;border-radius:var(--r-badge);backdrop-filter:blur(2px);
}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto}
.news-body h3{
  font-size:19px;line-height:1.5;color:var(--ink-900);font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--ease);
}
.news-card:hover .news-body h3{color:var(--brand-600)}
.news-sum{
  margin-top:10px;font-size:14px;color:var(--text-600);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);font-size:14px;color:var(--text-600);
  display:flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums;
}
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);text-align:center;padding:32px;
}
.empty-state p{font-size:16px;color:var(--text-600)}

/* ---------- FAQ ---------- */
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-img);padding:0 20px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item + .faq-item{margin-top:14px}
.faq-item[open]{border-color:var(--accent-500);box-shadow:var(--shadow-sm)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 40px 20px 14px;position:relative;
  font-size:17px;font-weight:500;color:var(--ink-900);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:2px;
  background:var(--accent-500);opacity:0;transition:opacity var(--ease);
}
.faq-item[open] summary::before{opacity:1}
.faq-item summary::after{
  content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border:1px solid var(--line);border-radius:50%;
  display:grid;place-items:center;font-size:18px;color:var(--brand-600);line-height:1;
  transition:background var(--ease),color var(--ease);
}
.faq-item[open] summary::after{content:"−";background:var(--brand-600);border-color:var(--brand-600);color:#fff}
.faq-body{padding:0 40px 22px 14px;font-size:15px;line-height:1.85;color:var(--text-600)}
.faq-body p + p{margin-top:10px}

/* ---------- 咨询表单 ---------- */
.form-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-md);padding:32px;position:relative}
.form-badge{
  position:absolute;top:-14px;right:24px;background:var(--accent-500);color:#fff;
  font-size:13px;font-weight:600;padding:5px 12px;border-radius:var(--r-badge);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--text-600);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-btn);color:var(--text-900);transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{height:auto;min-height:110px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px var(--brand-100);
}
.form-privacy{margin-top:12px;font-size:13px;color:var(--text-600)}
.form-side h2{font-size:30px;line-height:1.3;color:var(--ink-900);font-weight:700}
.form-side p{margin-top:16px;color:var(--text-600)}
.form-points{margin-top:24px;display:flex;flex-direction:column;gap:14px}
.form-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-700)}
.form-points svg{flex:0 0 auto;margin-top:4px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(251,248,244,.78);padding:64px 0 0;margin-top:0}
.footer-wordmark{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-wordmark .brand-mark{background:var(--brand-600)}
.footer-wordmark span{color:#fff;font-size:19px;font-weight:700}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.04em}
.footer-col p{font-size:14px;line-height:1.9}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:rgba(251,248,244,.78);font-size:14px}
.footer-col ul a:hover{color:#fff;text-decoration:underline}
.footer-divider{border-top:1px solid rgba(255,255,255,.12);margin-top:44px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;font-size:13px;color:rgba(251,248,244,.6);
}
.footer-bottom a{color:rgba(251,248,244,.6)}
.footer-bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .ladder-item:nth-child(2){margin-left:16px}
  .ladder-item:nth-child(3){margin-left:32px}
  .ladder-item:nth-child(4){margin-left:48px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .hero{padding:56px 0 48px}
  .hero h1{font-size:36px}
  .hero-copy{padding-right:0}
  .hero-visual{margin-top:36px}
  .brand-meta{display:none}
  .form-side{margin-bottom:32px}
}
@media (max-width:768px){
  .grid-container{padding-left:16px;padding-right:16px}
  .section{padding:56px 0}
  .section-head h2,.form-side h2{font-size:25px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .ladder-item{flex-wrap:wrap;gap:14px;padding:18px}
  .ladder-item:nth-child(n){margin-left:0}
  .ladder-value{text-align:left}
  .ladder-item .btn{margin-left:0}
  .gate{padding:24px 20px;border-radius:12px}
  .plan-table thead{display:none}
  .plan-table,.plan-table tbody,.plan-table tr,.plan-table th,.plan-table td{display:block;width:100%}
  .plan-table tbody tr{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    margin-bottom:16px;padding:6px 16px;
  }
  .plan-table tbody tr:nth-child(odd){background:#fff}
  .plan-table tbody th{
    border-bottom:1px solid var(--line);padding:14px 0;background:transparent;color:var(--ink-900);
  }
  .plan-table tbody td{
    display:flex;justify-content:space-between;gap:16px;padding:12px 0;
    border-bottom:1px dashed var(--line);background:transparent;
  }
  .plan-table tbody td::before{content:attr(data-label);color:var(--text-600);font-size:14px;flex:0 0 auto}
  .plan-table tbody td.recommend{background:transparent}
  .plan-table tbody tr:last-child td{border-bottom:0}
  .form-panel{padding:24px}
  .footer-col{margin-bottom:28px}
}
@media (max-width:520px){
  .brand-actions .btn-ghost{display:none}
  .brand-word{font-size:17px}
  .hero-trust{gap:16px}
  .hero-trust li{font-size:13px}
  .countdown b{font-size:18px;padding:5px 8px}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: article */
:root{
  --ink-900:#0E2E33;
  --ink-700:#1B4A50;
  --brand-600:#E8552F;
  --brand-700:#C63F1D;
  --brand-100:#FDE8E0;
  --accent-500:#3FA79B;
  --bg-50:#FBF8F4;
  --bg-100:#F3EDE5;
  --line:#E5DCD1;
  --text-900:#1A2426;
  --text-600:#5A6A6C;
  --success:#2E9E6B;
  --warn:#E0A32B;
  --danger:#D93A2B;
  --r-card:14px;
  --r-btn:10px;
  --r-badge:6px;
  --r-img:12px;
  --shadow-sm:0 1px 2px rgba(14,46,51,.06);
  --shadow-md:0 6px 20px rgba(14,46,51,.08);
  --shadow-lg:0 18px 48px rgba(14,46,51,.12);
  --ease:.22s cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"DIN Alternate","Barlow",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--bg-50);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--ink-700);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;}
.num,.countdown-num,.price{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

.grid-container{max-width:1200px;margin:0 auto;padding:0 24px;}
@media screen and (min-width:1440px){.grid-container{max-width:1200px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:all var(--ease);white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--brand-600);color:#fff;border-color:var(--brand-600);}
.btn-primary:hover{background:var(--brand-700);border-color:var(--brand-700);color:#fff;text-decoration:none;}
.btn-ghost{background:#fff;color:var(--ink-700);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-600);background:var(--brand-100);text-decoration:none;}
.btn-light{background:#fff;color:var(--ink-900);border-color:#fff;}
.btn-light:hover{background:var(--brand-100);border-color:var(--brand-100);color:var(--brand-700);text-decoration:none;}
.btn-block{width:100%;}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm);}
.brand-row{height:72px;display:flex;align-items:center;transition:height var(--ease);}
.brand-row .grid-container{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900);}
.brand:hover{text-decoration:none;color:var(--ink-900);}
.brand-mark{
  width:38px;height:38px;border-radius:10px;background:var(--brand-600);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;flex:none;
}
.brand-word{font-size:20px;font-weight:700;letter-spacing:.3px;color:var(--ink-900);}
.brand-word em{font-style:normal;color:var(--brand-600);}
.brand-meta{font-size:13px;line-height:1.6;color:var(--text-600);}
.brand-meta strong{color:var(--ink-700);font-family:var(--font-num);font-size:14px;}
.brand-actions{display:flex;align-items:center;gap:12px;}
.channel-row{background:var(--bg-100);border-top:1px solid var(--line);}
.channel-list{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list li{flex:none;}
.channel{
  display:inline-flex;align-items:center;height:48px;padding:0 16px;
  font-size:15px;color:var(--ink-700);border-bottom:2px solid transparent;
  transition:all var(--ease);white-space:nowrap;
}
.channel:hover{background:var(--brand-100);color:var(--brand-600);text-decoration:none;}
.channel.active{color:var(--brand-600);border-bottom-color:var(--brand-600);font-weight:600;}

/* ---------- 面包屑 ---------- */
.crumbs{padding:20px 0 0;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-600);}
.crumbs li{display:inline-flex;align-items:center;gap:8px;}
.crumbs li:not(:last-child)::after{content:"/";color:var(--line);}
.crumbs a{color:var(--text-600);}
.crumbs a:hover{color:var(--brand-600);text-decoration:none;}
.crumbs .current{color:var(--ink-900);font-weight:600;}

/* ---------- 文章头部 ---------- */
.article-head{padding:24px 0 28px;border-bottom:1px solid var(--line);}
.pill{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:var(--r-badge);
  font-size:13px;font-weight:600;background:var(--brand-100);color:var(--brand-700);
}
.article-head h1{font-size:38px;line-height:1.28;margin:16px 0 14px;max-width:900px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;font-size:14px;color:var(--text-600);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block;}
.article-meta i{color:var(--accent-500);margin-right:6px;}

/* ---------- 正文布局 ---------- */
.layout{padding:44px 0 0;}
.layout .grid-x{gap:0;}
.article-body{font-size:17px;line-height:1.9;color:var(--text-900);max-width:760px;}
.article-body p{margin:0 0 20px;}
.article-body h2{
  font-size:30px;line-height:1.3;margin:40px 0 16px;padding-left:14px;
  border-left:4px solid var(--brand-600);
}
.article-body h3{font-size:21px;line-height:1.45;margin:28px 0 12px;color:var(--ink-700);}
.article-body h4{font-size:18px;line-height:1.5;margin:22px 0 10px;}
.article-body ul{margin:0 0 20px;padding-left:4px;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--brand-600);
}
.article-body ol{list-style:decimal;margin:0 0 20px;padding-left:22px;}
.article-body ol li{margin-bottom:10px;padding-left:4px;}
.article-body ol li::marker{color:var(--brand-600);font-weight:700;}
.article-body blockquote{
  margin:24px 0;padding:18px 20px;background:var(--bg-100);border-left:4px solid var(--accent-500);
  border-radius:0 var(--r-img) var(--r-img) 0;color:var(--ink-700);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{margin:24px auto;box-shadow:var(--shadow-sm);}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--text-600);text-align:center;margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body table th{background:var(--bg-100);color:var(--ink-900);text-align:left;padding:12px 14px;font-weight:600;}
.article-body table td{padding:12px 14px;border-bottom:1px solid var(--line);}
.article-body table tr:nth-child(even) td{background:var(--bg-50);}
.article-body a{border-bottom:1px solid var(--brand-100);}
.article-body a:hover{border-bottom-color:var(--brand-600);}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:140px;display:flex;flex-direction:column;gap:20px;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--shadow-sm);}
.side-card h3{font-size:16px;margin-bottom:12px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--accent-500);}
.toc-list li{margin-bottom:8px;}
.toc-list a{font-size:14px;color:var(--text-600);display:block;padding-left:12px;border-left:2px solid var(--line);line-height:1.6;}
.toc-list a:hover{color:var(--brand-600);border-left-color:var(--brand-600);text-decoration:none;}
.side-consult{background:var(--ink-900);color:#F7F1EA;border-color:var(--ink-900);}
.side-consult h3{color:#fff;}
.side-consult p{font-size:14px;color:rgba(247,241,234,.78);margin-bottom:16px;line-height:1.75;}
.side-consult .btn{width:100%;}

/* ---------- 标签 ---------- */
.tag-group{display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 0;padding-top:24px;border-top:1px solid var(--line);}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:var(--bg-100);color:var(--ink-700);font-size:13px;border:1px solid transparent;transition:all var(--ease);
}
.tag:hover{background:var(--brand-100);color:var(--brand-700);border-color:var(--brand-600);text-decoration:none;}

/* ---------- 相关推荐 ---------- */
.related{padding:64px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.section-head h2{font-size:26px;}
.section-head .more{font-size:14px;color:var(--brand-600);white-space:nowrap;}
.section-head .more:hover{text-decoration:underline;}
.mini-card{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:14px;box-shadow:var(--shadow-sm);transition:all var(--ease);height:100%;
}
.mini-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}
.mini-card:hover .mini-title{color:var(--brand-600);}
.mini-thumb{width:118px;height:84px;flex:none;overflow:hidden;border-radius:var(--r-img);background:var(--bg-100);}
.mini-thumb img{width:100%;height:100%;object-fit:cover;border-radius:var(--r-img);}
.mini-title{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:6px;color:var(--ink-900);transition:color var(--ease);}
.mini-desc{font-size:13px;color:var(--text-600);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.back-link{display:inline-flex;align-items:center;gap:8px;margin-top:36px;font-size:15px;color:var(--ink-700);}
.back-link:hover{color:var(--brand-600);text-decoration:none;}

/* ---------- CTA 通栏 ---------- */
.cta-band{margin:72px 0 0;background:var(--ink-900);border-radius:16px;padding:44px 40px;position:relative;overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:18px 18px;opacity:.5;pointer-events:none;
}
.cta-band .grid-x{position:relative;z-index:2;align-items:center;}
.cta-band h2{color:#fff;font-size:28px;line-height:1.35;margin-bottom:10px;}
.cta-band p{color:rgba(247,241,234,.8);font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px;}

/* ---------- 空态 ---------- */
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;box-shadow:var(--shadow-sm);
}
.empty-state i{font-size:38px;color:var(--accent-500);display:block;margin-bottom:16px;}
.empty-state h3{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--text-600);font-size:15px;margin-bottom:20px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:#EFE7DE;margin-top:96px;padding:64px 0 0;}
.footer-wordmark{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(239,231,222,.72);}
.footer-col ul li{margin-bottom:10px;font-size:14px;color:rgba(239,231,222,.72);}
.footer-col ul li a{color:rgba(239,231,222,.72);}
.footer-col ul li a:hover{color:var(--brand-600);text-decoration:none;}
.footer-divider{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding:22px 0;}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:rgba(239,231,222,.6);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .sidebar{position:static;margin-top:40px;}
  .article-head h1{font-size:32px;}
  .article-body h2{font-size:25px;}
  .cta-band{padding:36px 28px;}
}
@media screen and (max-width:768px){
  .brand-meta{display:none;}
  .brand-row{height:64px;}
  .brand-word{font-size:18px;}
  .article-head h1{font-size:28px;line-height:1.34;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:22px;margin-top:34px;}
  .article-body h3{font-size:19px;}
  .mini-thumb{width:100px;height:74px;}
  .cta-band h2{font-size:22px;}
}
@media screen and (max-width:639px){
  .grid-container{padding:0 16px;}
  .brand-actions .btn-ghost{display:none;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .mini-card{flex-direction:column;}
  .mini-thumb{width:100%;height:150px;}
}

/* roulang page: category1 */
:root{
  --ink-900:#0E2E33;
  --ink-700:#1B4A50;
  --brand-600:#E8552F;
  --brand-700:#C63F1D;
  --brand-100:#FDE8E0;
  --accent-500:#3FA79B;
  --bg-50:#FBF8F4;
  --bg-100:#F3EDE5;
  --line:#E5DCD1;
  --text-900:#1A2426;
  --text-600:#5A6A6C;
  --success:#2E9E6B;
  --warn:#E0A32B;
  --danger:#D93A2B;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-badge:6px;
  --shadow-sm:0 1px 2px rgba(14,46,51,.06);
  --shadow-md:0 6px 20px rgba(14,46,51,.08);
  --shadow-lg:0 18px 48px rgba(14,46,51,.12);
  --ease:.22s cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"DIN Alternate","Barlow",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--bg-50);
}
img{max-width:100%;display:block;border-style:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;}
p{margin:0;}
a{color:var(--ink-700);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent-500);
  outline-offset:2px;
}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
.grid-container.wide{max-width:1280px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all var(--ease);white-space:nowrap;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--brand-600);color:#fff;}
.btn-primary:hover{background:var(--brand-700);color:#fff;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink-700);}
.btn-ghost:hover{border-color:var(--brand-600);color:var(--brand-700);background:var(--brand-100);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{background:#fff;color:var(--ink-900);}
.btn-light:hover{background:var(--brand-100);color:var(--brand-700);}
.btn-block{width:100%;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand-600);
  background:none;border:0;padding:8px 4px;cursor:pointer;
}
.btn-text:hover{color:var(--brand-700);}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:var(--shadow-sm);}
.brand-row{border-bottom:1px solid var(--line);}
.brand-row .grid-container{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:72px;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:8px;
  background:var(--brand-600);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;
}
.brand-word{font-size:19px;font-weight:700;color:var(--ink-900);letter-spacing:.2px;}
.brand-word em{font-style:normal;color:var(--brand-600);}
.brand-meta{
  font-size:14px;color:var(--text-600);line-height:1.5;
  border-left:1px solid var(--line);padding-left:20px;
}
.brand-meta strong{color:var(--ink-700);font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.brand-actions{display:flex;align-items:center;gap:12px;}

.channel-row{background:var(--bg-100);border-bottom:1px solid var(--line);}
.channel-row .grid-container{display:flex;align-items:center;height:52px;}
.channel-list{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;
  border-radius:999px;font-size:15px;color:var(--ink-700);
  white-space:nowrap;transition:all var(--ease);
}
.channel:hover{background:var(--brand-100);color:var(--brand-700);text-decoration:none;}
.channel.active{background:var(--brand-600);color:#fff;}
.channel.active:hover{background:var(--brand-700);color:#fff;}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:20px 0 0;font-size:13px;color:var(--text-600);}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:var(--line);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section.tight{padding:72px 0;}
.section-alt{background:var(--bg-100);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:30px;line-height:1.3;margin-bottom:16px;}
.section-head p{font-size:16px;color:var(--text-600);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand-600);text-transform:uppercase;margin-bottom:16px;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--brand-600);display:inline-block;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:64px 0 72px;
  background:
    radial-gradient(circle at 88% 12%, rgba(63,167,155,.10), transparent 46%),
    linear-gradient(180deg,#fff 0%,var(--bg-50) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(14,46,51,.05) 0 1px,transparent 1px 18px);
  opacity:.5;
}
.page-hero .grid-container{position:relative;z-index:1;}
.hero-copy h1{font-size:44px;line-height:1.2;margin-bottom:16px;letter-spacing:-.01em;}
.hero-sub{font-size:18px;line-height:1.75;color:var(--text-600);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.trust-points{display:flex;flex-wrap:wrap;gap:24px;margin-top:32px;}
.trust-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-700);font-weight:600;}
.trust-points .dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--accent-500);box-shadow:0 0 0 4px rgba(63,167,155,.16);
}
.media-card{
  position:relative;margin:0;background:#fff;border-radius:12px;
  overflow:hidden;box-shadow:var(--shadow-md);
}
.media-card img{width:100%;aspect-ratio:480/420;object-fit:cover;}
.media-badge{
  position:absolute;top:12px;left:12px;
  background:var(--brand-600);color:#fff;
  font-size:13px;font-weight:600;padding:4px 10px;border-radius:var(--radius-badge);
}
.media-card figcaption{
  padding:12px 16px;font-size:13px;color:var(--text-600);text-align:center;background:#fff;
}

/* ---------- 特征横条 ---------- */
.feature-list{display:flex;flex-direction:column;gap:16px;}
.feature-bar{
  display:grid;grid-template-columns:56px 1fr auto;gap:20px;align-items:center;
  padding:22px 24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease);
}
.feature-bar:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.feature-icon{
  width:56px;height:56px;border-radius:12px;background:var(--brand-100);
  color:var(--brand-600);display:flex;align-items:center;justify-content:center;
}
.feature-icon svg{width:26px;height:26px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.feature-bar h3{font-size:18px;line-height:1.5;margin-bottom:6px;}
.feature-bar p{font-size:14px;color:var(--text-600);line-height:1.75;}
.tag{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--radius-badge);
  font-size:13px;font-weight:600;background:var(--bg-100);color:var(--ink-700);white-space:nowrap;
}
.tag-accent{background:rgba(63,167,155,.14);color:#2A7A70;}

/* ---------- 图文分栏 ---------- */
.split-media{margin:0;border-radius:12px;overflow:hidden;box-shadow:var(--shadow-md);background:var(--bg-100);}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.split-media figcaption{padding:12px 16px;font-size:13px;color:var(--text-600);text-align:center;background:#fff;}
.split-text h2{font-size:30px;line-height:1.3;margin-bottom:16px;}
.split-text>p{color:var(--text-600);margin-bottom:28px;}
.step-list{display:flex;flex-direction:column;gap:20px;}
.step{display:grid;grid-template-columns:36px 1fr;gap:16px;align-items:start;}
.step-num{
  width:36px;height:36px;border-radius:2px;background:var(--brand-600);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:16px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;line-height:1.5;margin-bottom:4px;}
.step p{font-size:15px;color:var(--text-600);line-height:1.8;}

/* ---------- 优惠阶梯 ---------- */
.ladder{display:flex;flex-direction:column;gap:16px;}
.ladder-item{
  position:relative;display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;
  padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.ladder-item:nth-child(1){margin-left:0;}
.ladder-item:nth-child(2){margin-left:24px;}
.ladder-item:nth-child(3){margin-left:48px;}
.ladder-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.ladder-item.is-current{border-color:var(--brand-600);background:linear-gradient(180deg,var(--brand-100),#fff 62%);}
.ladder-item:not(:last-child)::after{
  content:"";position:absolute;left:44px;bottom:-16px;height:16px;
  border-left:1px dashed var(--accent-500);
}
.stamp{
  width:40px;height:40px;border-radius:2px;background:var(--brand-600);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;
}
.ladder-item h3{font-size:21px;line-height:1.45;margin-bottom:4px;}
.ladder-item .cond{font-size:14px;color:var(--text-600);}
.ladder-right{display:flex;align-items:center;gap:20px;}
.value{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:24px;font-weight:700;color:var(--brand-600);line-height:1.2;white-space:nowrap;
}
.value small{display:block;font-size:13px;font-weight:400;color:var(--text-600);font-family:var(--font-cn);}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item:hover{border-color:#D9CDBE;}
.faq-item.is-open{box-shadow:var(--shadow-sm);}
.faq-question{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;cursor:pointer;
  font-size:17px;font-weight:500;color:var(--text-900);text-align:left;line-height:1.6;
  transition:color var(--ease);
}
.faq-question:hover{color:var(--brand-600);}
.faq-item.is-open .faq-question{box-shadow:inset 3px 0 0 var(--accent-500);color:var(--ink-900);}
.faq-icon{position:relative;flex:0 0 16px;width:16px;height:16px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand-600);border-radius:2px;
  transition:transform var(--ease),opacity var(--ease);
}
.faq-icon::before{top:7px;left:0;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.is-open .faq-answer{max-height:420px;}
.faq-answer p{padding:0 24px 20px;font-size:15px;line-height:1.85;color:var(--text-600);}

/* ---------- 表单 ---------- */
.contact-copy h2{font-size:30px;line-height:1.3;margin-bottom:16px;}
.contact-copy p{color:var(--text-600);margin-bottom:24px;}
.contact-points{display:flex;flex-direction:column;gap:14px;}
.contact-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-700);}
.contact-points svg{width:20px;height:20px;flex:0 0 20px;margin-top:3px;stroke:var(--accent-500);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.contact-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-md);padding:28px;
}
.contact-card .tag{position:absolute;top:-13px;right:24px;background:var(--brand-600);color:#fff;}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
.field label{font-size:14px;color:var(--text-600);}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;font-size:16px;font-family:inherit;
  color:var(--text-900);background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-btn);transition:border-color var(--ease),box-shadow var(--ease);
  appearance:none;
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(232,85,47,.14);
}
.form-note{font-size:12px;color:var(--text-600);margin-top:12px;line-height:1.7;}

/* ---------- CTA 通栏 ---------- */
.cta-band{background:var(--ink-900);color:#F4EDE4;padding:72px 0;}
.cta-band .inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:28px;line-height:1.35;margin-bottom:10px;}
.cta-band p{color:rgba(244,237,228,.78);font-size:16px;max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:#EFE7DD;padding:72px 0 28px;font-size:15px;}
.footer-col{margin-bottom:32px;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.site-footer a{color:rgba(255,255,255,.78);}
.site-footer a:hover{color:#fff;}
.footer-wordmark{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px;}
.site-footer .brand-mark{background:var(--brand-600);}
.footer-col p{color:rgba(255,255,255,.66);font-size:14px;line-height:1.8;max-width:300px;}
.footer-divider{border-top:1px solid rgba(255,255,255,.12);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  margin-top:40px;padding-top:20px;font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .grid-container{max-width:100%;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .page-hero{padding:48px 0 56px;}
  .hero-copy h1{font-size:36px;}
  .hero-media{margin-top:36px;}
  .split-media{margin-bottom:32px;}
  .ladder-item:nth-child(2){margin-left:16px;}
  .ladder-item:nth-child(3){margin-left:32px;}
}
@media (max-width:767px){
  .brand-meta{display:none;}
  .brand-row .grid-container{height:64px;gap:12px;}
  .brand-word{font-size:17px;}
  .brand-actions .btn-ghost{display:none;}
  .channel-row .grid-container{height:50px;}
}
@media (max-width:639px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .section{padding:56px 0;}
  .page-hero{padding:36px 0 48px;}
  .hero-copy h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{flex:1 1 100%;}
  .trust-points{gap:12px 20px;}
  .section-head h2,.split-text h2,.contact-copy h2{font-size:24px;}
  .feature-bar{grid-template-columns:44px 1fr;gap:14px;padding:18px;}
  .feature-icon{width:44px;height:44px;border-radius:10px;}
  .feature-icon svg{width:22px;height:22px;}
  .feature-bar .tag{grid-column:1 / -1;justify-self:start;}
  .ladder-item{grid-template-columns:auto 1fr;gap:14px;padding:18px;}
  .ladder-item:nth-child(2),.ladder-item:nth-child(3){margin-left:0;}
  .ladder-right{grid-column:1 / -1;justify-content:space-between;border-top:1px dashed var(--line);padding-top:14px;}
  .ladder-item:not(:last-child)::after{display:none;}
  .faq-question{padding:18px;font-size:16px;}
  .faq-answer p{padding:0 18px 18px;}
  .contact-card{padding:20px;}
  .cta-band{padding:56px 0;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-bottom{flex-direction:column;gap:6px;}
}

/* roulang page: category2 */
:root{
  --ink-900:#0E2E33;
  --ink-700:#1B4A50;
  --brand-600:#E8552F;
  --brand-700:#C63F1D;
  --brand-100:#FDE8E0;
  --accent-500:#3FA79B;
  --bg-50:#FBF8F4;
  --bg-100:#F3EDE5;
  --line:#E5DCD1;
  --text-900:#1A2426;
  --text-600:#5A6A6C;
  --success:#2E9E6B;
  --warn:#E0A32B;
  --danger:#D93A2B;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-badge:6px;
  --radius-img:12px;
  --shadow-sm:0 1px 2px rgba(14,46,51,.06);
  --shadow-md:0 6px 20px rgba(14,46,51,.08);
  --shadow-lg:0 18px 48px rgba(14,46,51,.12);
  --ease:.22s cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"DIN Alternate","Barlow","Helvetica Neue",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--bg-50);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;border-radius:var(--radius-img);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.3;}
h1{font-size:44px;line-height:1.2;letter-spacing:.5px;}
h2{font-size:30px;line-height:1.3;}
h3{font-size:21px;line-height:1.45;}
h4{font-size:18px;line-height:1.5;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
a{color:var(--ink-700);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
a:hover{color:var(--brand-600);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent-500);
  outline-offset:2px;
}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
table{border-collapse:collapse;}

.grid-container{max-width:1200px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;width:100%;}
.wrap{max-width:1200px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;}
.grid-x{margin-left:-12px;margin-right:-12px;}
.grid-x>.cell{padding-left:12px;padding-right:12px;}

/* ============ 头部 ============ */
.site-header{position:sticky;top:0;z-index:200;background:#fff;box-shadow:var(--shadow-sm);}
.brand-row{background:#fff;border-bottom:1px solid var(--line);transition:padding var(--ease);}
.brand-row .grid-container{display:flex;align-items:center;gap:24px;min-height:72px;padding-top:12px;padding-bottom:12px;}
.site-header.is-compact .brand-row .grid-container{min-height:56px;padding-top:6px;padding-bottom:6px;}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:10px;
  background:var(--brand-600);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:700;letter-spacing:1px;
  box-shadow:var(--shadow-sm);
}
.brand-word{font-size:20px;font-weight:700;color:var(--ink-900);letter-spacing:.5px;white-space:nowrap;}
.brand-word em{font-style:normal;color:var(--brand-600);}
.brand-meta{
  margin-left:auto;
  font-size:14px;line-height:1.6;color:var(--text-600);
  padding-left:20px;border-left:1px solid var(--line);
  white-space:nowrap;
}
.brand-meta strong{color:var(--ink-900);font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.brand-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:16px;font-weight:600;line-height:1;cursor:pointer;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
  text-align:center;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--brand-700);color:#fff;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--ink-700);border-color:var(--line);}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-700);border-color:var(--brand-600);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{background:#fff;color:var(--ink-900);}
.btn-light:hover{background:var(--brand-100);color:var(--brand-700);}
.btn-sm{min-height:40px;padding:0 16px;font-size:15px;}
.btn-block{width:100%;}
.btn-outline-light{background:transparent;color:#FBF8F4;border-color:rgba(251,248,244,.55);}
.btn-outline-light:hover{background:rgba(251,248,244,.14);color:#fff;border-color:#fff;}

.channel-row{background:var(--bg-100);border-bottom:1px solid var(--line);}
.channel-row .grid-container{display:flex;align-items:center;min-height:48px;}
.channel-list{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:6px 0;}
.channel-list::-webkit-scrollbar{display:none;}
.channel{
  display:inline-flex;align-items:center;
  min-height:34px;padding:0 16px;border-radius:999px;
  font-size:15px;color:var(--ink-700);white-space:nowrap;
  transition:background-color var(--ease),color var(--ease);
}
.channel:hover{background:var(--brand-100);color:var(--brand-700);text-decoration:none;}
.channel.active{background:var(--brand-600);color:#fff;font-weight:600;}
.channel.active:hover{background:var(--brand-700);color:#fff;}

/* ============ 通栏 Banner ============ */
.page-banner{
  position:relative;
  background-color:var(--ink-900);
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:#FBF8F4;
  padding:64px 0 72px;
  overflow:hidden;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,46,51,.86) 0%,rgba(14,46,51,.62) 58%,rgba(14,46,51,.48) 100%);
}
.page-banner .grid-container{position:relative;z-index:2;max-width:1180px;}
.crumbs{font-size:13px;color:rgba(251,248,244,.78);margin-bottom:20px;}
.crumbs a{color:rgba(251,248,244,.88);}
.crumbs a:hover{color:#fff;}
.crumbs .sep{margin:0 8px;opacity:.6;}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(232,85,47,.22);
  border:1px solid rgba(232,85,47,.6);
  color:#FFD9CB;
  font-size:13px;font-weight:600;
  padding:6px 14px;border-radius:var(--radius-badge);
  margin-bottom:20px;
}
.page-banner h1{color:#fff;max-width:820px;}
.page-banner .banner-sub{
  margin-top:18px;max-width:640px;
  font-size:17px;line-height:1.85;color:rgba(251,248,244,.86);
}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.banner-points{display:flex;flex-wrap:wrap;gap:14px 28px;margin-top:34px;padding-top:24px;border-top:1px solid rgba(251,248,244,.18);}
.banner-points li{display:flex;align-items:center;gap:9px;font-size:15px;color:rgba(251,248,244,.9);}
.banner-points svg{width:19px;height:19px;flex:0 0 19px;color:var(--accent-500);}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-alt{background:var(--bg-100);}
.section-white{background:#fff;}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;
  font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--brand-600);text-transform:uppercase;
  margin-bottom:12px;
}
.section-head h2{margin-bottom:16px;}
.section-head p{font-size:16px;color:var(--text-600);margin:0;}

/* ============ 流程步骤 ============ */
.flow{max-width:800px;margin:0 auto;}
.flow-item{position:relative;display:grid;grid-template-columns:56px 1fr;gap:22px;padding-bottom:36px;}
.flow-item:last-child{padding-bottom:0;}
.flow-item:not(:last-child)::before{
  content:"";position:absolute;left:27px;top:60px;bottom:6px;
  border-left:2px dashed var(--accent-500);opacity:.5;
}
.flow-no{
  width:56px;height:56px;border-radius:50%;
  background:var(--brand-600);color:#fff;
  font-family:var(--font-num);font-size:20px;font-weight:700;
  font-variant-numeric:tabular-nums;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-md);position:relative;z-index:1;
}
.flow-body{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px 26px;box-shadow:var(--shadow-sm);}
.flow-body h3{margin-bottom:8px;}
.flow-body p{font-size:15px;color:var(--text-600);margin:0;}

/* ============ 双栏要点 ============ */
.point-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.point-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--shadow-sm);
}
.point-card.tinted{background:var(--brand-100);border-color:#F6CFC1;}
.point-card h3{margin-bottom:8px;}
.point-card .point-note{font-size:14px;color:var(--text-600);margin-bottom:20px;}
.point-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 0;border-top:1px solid rgba(14,46,51,.08);
  font-size:15.5px;line-height:1.75;
}
.point-list li:first-child{border-top:0;padding-top:0;}
.point-list svg{width:20px;height:20px;flex:0 0 20px;margin-top:4px;color:var(--success);}
.point-card.tinted .point-list svg{color:var(--brand-600);}
.point-list .muted{color:var(--text-600);}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split-media{position:relative;}
.split-media img{width:100%;box-shadow:var(--shadow-md);}
.split-media .media-badge{
  position:absolute;top:16px;left:16px;
  background:var(--brand-600);color:#fff;
  font-size:13px;font-weight:600;
  padding:6px 12px;border-radius:var(--radius-badge);
}
.split-body h2{margin-bottom:18px;}
.split-body p{color:var(--text-600);}
.stat-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.stat-box{
  flex:1 1 150px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:18px 20px;box-shadow:var(--shadow-sm);
}
.stat-box .num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:28px;font-weight:700;color:var(--brand-600);line-height:1.2;
}
.stat-box .lbl{font-size:14px;color:var(--text-600);margin-top:4px;}

/* ============ 套餐对照矩阵 ============ */
.matrix-wrap{
  border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;background:#fff;box-shadow:var(--shadow-md);
}
.matrix{width:100%;min-width:760px;}
.matrix th,.matrix td{
  padding:18px 16px;font-size:15px;text-align:center;
  border-bottom:1px solid var(--line);
}
.matrix thead th{background:var(--bg-100);vertical-align:top;padding-top:26px;padding-bottom:22px;}
.matrix thead th:first-child{text-align:left;font-size:14px;color:var(--text-600);font-weight:600;}
.matrix tbody th{
  text-align:left;font-weight:600;color:var(--ink-700);font-size:15px;
  background:#fff;position:sticky;left:0;z-index:1;
}
.matrix tbody tr:nth-child(odd) td,.matrix tbody tr:nth-child(odd) th{background:var(--bg-50);}
.matrix tbody tr:last-child th,.matrix tbody tr:last-child td{border-bottom:0;}
.matrix .col-rec{background:var(--brand-100) !important;}
.plan-name{display:block;font-size:17px;font-weight:700;color:var(--ink-900);}
.plan-price{
  display:block;margin:10px 0 4px;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:26px;font-weight:700;color:var(--brand-600);line-height:1.1;
}
.plan-unit{display:block;font-size:13px;color:var(--text-600);margin-bottom:14px;}
.badge-rec{
  display:inline-block;background:var(--brand-600);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:1px;
  padding:4px 10px;border-radius:var(--radius-badge);margin-bottom:8px;
}
.cell-yes{color:var(--success);font-weight:600;}
.cell-no{color:var(--text-600);}
.matrix-note{margin-top:18px;font-size:14px;color:var(--text-600);}

.plan-cards{display:none;}

/* ============ FAQ ============ */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-img);
  margin-bottom:14px;overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item:hover{box-shadow:var(--shadow-sm);}
.faq-item[open]{border-left:3px solid var(--accent-500);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 58px 20px 22px;
  font-size:17px;font-weight:500;color:var(--ink-900);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before,.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;
  background:var(--brand-600);border-radius:2px;
  transition:transform var(--ease),opacity var(--ease);
}
.faq-item summary::before{width:14px;height:2px;transform:translateY(-50%);}
.faq-item summary::after{width:2px;height:14px;transform:translateY(-50%);}
.faq-item[open] summary::after{transform:translateY(-50%) scaleY(0);opacity:0;}
.faq-item[open] summary{color:var(--brand-700);}
.faq-answer{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--text-600);}

/* ============ CTA 通栏 ============ */
.cta-bar{
  position:relative;
  background-color:var(--ink-900);
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  padding:56px 0;color:#FBF8F4;overflow:hidden;
}
.cta-bar::before{content:"";position:absolute;inset:0;background:rgba(14,46,51,.82);}
.cta-bar .grid-container{position:relative;z-index:2;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:26px;margin-bottom:8px;}
.cta-inner p{color:rgba(251,248,244,.78);font-size:15px;margin:0;}

/* ============ 表单 ============ */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.contact-intro h2{margin-bottom:16px;}
.contact-intro p{color:var(--text-600);}
.contact-intro ul{margin-top:24px;}
.contact-intro li{
  display:flex;gap:10px;align-items:flex-start;
  padding:10px 0;font-size:15px;color:var(--ink-700);
}
.contact-intro li svg{width:18px;height:18px;flex:0 0 18px;margin-top:5px;color:var(--accent-500);}
.form-card{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:34px;box-shadow:var(--shadow-md);
}
.form-badge{
  position:absolute;top:-14px;right:24px;
  background:var(--accent-500);color:#fff;
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:var(--radius-badge);
  box-shadow:var(--shadow-sm);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;color:var(--text-600);font-weight:500;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-btn);
  font-size:16px;color:var(--text-900);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-600) 50%),linear-gradient(135deg,var(--text-600) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input::placeholder,.field textarea::placeholder{color:#9AA6A7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-600);
  box-shadow:0 0 0 3px rgba(232,85,47,.16);
}
.form-submit{margin-top:24px;}
.form-privacy{margin-top:12px;font-size:13px;color:var(--text-600);line-height:1.7;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:rgba(251,248,244,.86);padding:72px 0 28px;font-size:15px;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px;}
.footer-col{padding-bottom:32px;}
.footer-wordmark{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-wordmark .brand-mark{background:var(--brand-600);}
.footer-wordmark span:last-child{font-size:19px;font-weight:700;color:#fff;}
.site-footer p{color:rgba(251,248,244,.66);font-size:14.5px;line-height:1.8;margin:0;}
.site-footer ul li{padding:7px 0;color:rgba(251,248,244,.66);font-size:14.5px;}
.site-footer ul li a{color:rgba(251,248,244,.8);}
.site-footer ul li a:hover{color:var(--brand-600);text-decoration:none;}
.footer-divider{border-top:1px solid rgba(255,255,255,.12);margin-top:12px;padding-top:22px;}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:rgba(251,248,244,.6);}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  h1{font-size:34px;}
  h2{font-size:26px;}
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .page-banner{padding:48px 0 56px;}
  .brand-meta{display:none;}
  .split{gap:32px;}
  .contact-grid{grid-template-columns:1fr;gap:32px;}
  .point-cols{grid-template-columns:1fr;}
}
@media (max-width:767px){
  .brand-row .grid-container{flex-wrap:wrap;gap:12px;}
  .brand-actions{margin-left:auto;}
  .brand-actions .btn{padding:0 14px;font-size:15px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .banner-actions .btn{width:100%;}
  .split{grid-template-columns:1fr;}
  .split-media{order:-1;}
  .matrix-wrap{display:none;}
  .plan-cards{display:grid;grid-template-columns:1fr;gap:20px;}
  .form-grid{grid-template-columns:1fr;}
  .form-card{padding:24px 20px;}
  .flow-item{grid-template-columns:44px 1fr;gap:16px;}
  .flow-no{width:44px;height:44px;font-size:17px;}
  .flow-item:not(:last-child)::before{left:21px;top:48px;}
  .flow-body{padding:20px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:519px){
  .grid-container,.wrap{padding-left:16px;padding-right:16px;}
  .brand-word{font-size:17px;}
  .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:16px;border-radius:8px;}
  .brand-actions .btn-ghost{display:none;}
  .banner-points{gap:10px 18px;}
  .stat-box{flex:1 1 100%;}
}

/* 移动端套餐对比卡 */
.plan-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.plan-card.rec{border-color:var(--brand-600);box-shadow:var(--shadow-md);}
.plan-card-head{padding:22px;background:var(--bg-100);border-bottom:1px solid var(--line);}
.plan-card.rec .plan-card-head{background:var(--brand-100);}
.plan-card-head .plan-price{margin:8px 0 2px;}
.plan-card-body{padding:8px 22px 20px;}
.plan-row{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px;}
.plan-row:last-child{border-bottom:0;}
.plan-row .k{color:var(--text-600);flex:0 0 42%;}
.plan-row .v{text-align:right;font-weight:600;color:var(--ink-900);}
.plan-card-foot{padding:0 22px 22px;}