/* roulang page: index */
:root{
  --bg:#FAF6EF;
  --surface:#FFFFFF;
  --surface-alt:#F3EADF;
  --surface-soft:#FFFDF9;
  --ink:#2B211B;
  --muted:#6E5F54;
  --line:#E6D9C8;
  --primary:#B06B45;
  --primary-deep:#7E472D;
  --secondary:#5F6F52;
  --secondary-soft:#E8EDE2;
  --accent:#DFA15C;
  --danger:#B4472F;
  --success:#4E6B4A;
  --success-soft:#E7EFE3;
  --focus:rgba(176,107,69,.35);
  --radius-lg:28px;
  --radius:18px;
  --radius-sm:12px;
  --shadow-sm:0 10px 30px rgba(58,44,36,.06);
  --shadow-md:0 16px 40px rgba(58,44,36,.10);
  --shadow-lg:0 24px 60px rgba(58,44,36,.14);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--ink);
  background-color:var(--bg);
  background-image:repeating-linear-gradient(114deg, rgba(176,107,69,.045) 0 1px, transparent 1px 10px);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary-deep);text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease)}
a:hover{color:var(--primary)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:1.15em}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px}
.skip-link{
  position:absolute;left:16px;top:-80px;z-index:200;
  background:var(--primary-deep);color:#fff;padding:12px 20px;border-radius:999px;
  font-size:14px;transition:top .2s var(--ease);
}
.skip-link:focus{top:16px;color:#fff}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section--alt{background:var(--surface-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--sand{background:var(--surface-alt)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head--wide{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.14em;font-weight:600;
  color:var(--primary-deep);background:var(--surface-alt);
  border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
h1{font-size:clamp(32px,4.6vw,56px);line-height:1.2;font-weight:700;letter-spacing:.01em}
h2{font-size:clamp(26px,3vw,38px);line-height:1.28;font-weight:700}
h3{font-size:20px;line-height:1.45;font-weight:600}
.section-head p{color:var(--muted);font-size:16px;margin-top:16px;max-width:660px}
.lead{font-size:17px;color:var(--muted);line-height:1.9}

/* ============ 导航 ============ */
.site-header{position:sticky;top:14px;z-index:80;padding:0 16px}
.nav{
  max-width:1200px;margin:0 auto;height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:0 12px 0 22px;border-radius:999px;
  background:rgba(250,246,239,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(58,44,36,.08);
  box-shadow:0 10px 30px rgba(58,44,36,.08);
}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);flex-shrink:0}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:36px;height:36px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(150deg,var(--primary),var(--primary-deep));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:16px;letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.02em}
.brand-sub{font-size:10px;letter-spacing:.18em;color:var(--muted);font-weight:500}
.nav-menu{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav-menu a{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 15px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--ink);
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.nav-menu a:hover{background:var(--surface-alt);color:var(--primary-deep)}
.nav-menu a[aria-current="page"]{color:var(--primary-deep);font-weight:600}
.nav-menu a[aria-current="page"]::before{
  content:"";width:4px;height:4px;border-radius:50%;background:var(--primary);
}
.nav-right{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:0 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(126,71,45,.20)}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px rgba(126,71,45,.26)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(126,71,45,.20)}
.btn-ghost{background:transparent;color:var(--primary-deep);border-color:var(--primary-deep)}
.btn-ghost:hover{background:var(--surface-alt);color:var(--primary-deep);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-link{
  display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:600;
  color:var(--primary-deep);padding:6px 0;min-height:44px;
}
.btn-link:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px}
.btn-link svg{width:16px;height:16px;flex-shrink:0}
.btn-block{width:100%}
.nav-cta{min-height:44px;padding:0 20px;font-size:14.5px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:var(--surface);cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{
  display:none;max-width:1200px;margin:10px auto 0;
  background:var(--surface);border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-md);padding:16px 20px 20px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;font-size:15px;font-weight:500;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a:last-of-type{border-bottom:0}
.mobile-drawer .btn{margin-top:14px}

/* ============ Hero ============ */
.hero{position:relative;padding:56px 0 76px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:-20% -10% auto auto;width:760px;height:760px;
  background:radial-gradient(circle at center, rgba(223,161,92,.22), rgba(223,161,92,0) 66%);
  pointer-events:none;
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  min-height:620px;
}
.hero-copy h1{margin-bottom:22px}
.hero-copy h1 .hl{color:var(--primary-deep)}
.hero-sub{font-size:17px;line-height:1.9;color:var(--muted);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0}
.hero-badges li{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;color:var(--primary-deep);background:var(--surface);
  border:1px solid var(--line);border-radius:999px;padding:8px 14px;
  box-shadow:var(--shadow-sm);
}
.hero-badges svg{width:15px;height:15px;flex-shrink:0;color:var(--secondary)}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--radius-lg);
  background:var(--surface-alt);box-shadow:var(--shadow-lg);
}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-lg);
  background:linear-gradient(180deg, rgba(223,161,92,.10), rgba(43,33,27,.16));
  pointer-events:none;
}
.hero-card{
  position:absolute;left:-18px;bottom:26px;width:min(268px,80%);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;box-shadow:var(--shadow-md);
}
.hero-card-label{
  display:inline-block;font-size:11px;font-weight:700;letter-spacing:.14em;
  color:#5A3A1E;background:var(--accent);border-radius:999px;padding:4px 10px;margin-bottom:10px;
}
.hero-card strong{display:block;font-size:16px;margin-bottom:6px}
.hero-card p{font-size:13px;line-height:1.7;color:var(--muted)}
.hero-seal{
  position:absolute;right:-14px;top:-14px;
  width:92px;height:92px;border-radius:50%;
  background:var(--surface);border:1px dashed var(--primary);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12.5px;font-weight:700;line-height:1.3;color:var(--primary-deep);
  letter-spacing:.06em;box-shadow:var(--shadow-sm);
}

/* ============ 参数条 ============ */
.stats{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:8px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:26px 28px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat-value{
  font-size:24px;font-weight:700;line-height:1.3;color:var(--primary-deep);
  font-variant-numeric:tabular-nums;letter-spacing:.01em;
}
.stat-label{font-size:13.5px;color:var(--muted);margin-top:6px;line-height:1.6}

/* ============ 分类入口 ============ */
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.cat-card{
  display:grid;grid-template-columns:1fr;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);color:var(--ink);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.cat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#D9C4AC;color:var(--ink)}
.cat-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--surface-alt)}
.cat-card-body{padding:26px 28px 28px}
.cat-card-body h3{font-size:22px;margin-bottom:10px}
.cat-card-body p{font-size:14.5px;color:var(--muted);line-height:1.8;margin-bottom:16px}
.cat-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.tag{
  display:inline-block;font-size:12px;padding:5px 12px;border-radius:999px;
  background:var(--surface-alt);color:var(--primary-deep);font-weight:500;
}
.badge{
  display:inline-block;font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;
  background:var(--secondary-soft);color:var(--secondary);
}
.badge--promo{background:var(--accent);color:#5A3A1E}

/* ============ 权益阶梯 ============ */
.ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-top:8px}
.ladder::before{
  content:"";position:absolute;left:8%;right:8%;top:20px;height:1px;background:var(--line);
}
.ladder-step{position:relative;padding:0 20px 0 0}
.ladder-dot{
  width:40px;height:40px;border-radius:50%;background:var(--surface);
  border:1px solid var(--line);color:var(--primary-deep);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
  position:relative;z-index:1;margin-bottom:20px;
}
.ladder-step.is-active .ladder-dot{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 0 0 6px rgba(176,107,69,.14)}
.ladder-step h3{font-size:17px;margin-bottom:8px}
.ladder-step p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:12px}
.ladder-step .btn-link{font-size:13.5px;min-height:36px}
.ladder-step.is-active{background:rgba(243,234,223,.55);border-radius:var(--radius);padding:22px 22px 18px;margin-top:-22px}
.ladder-step.is-active .ladder-dot{margin-top:22px}
.ladder-step.is-active h3{margin-top:0}

/* ============ 套餐 ============ */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.plan{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.plan:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.plan--featured{border:2px solid var(--primary);box-shadow:0 18px 40px rgba(126,71,45,.14);transform:translateY(-6px)}
.plan--featured:hover{transform:translateY(-8px)}
.plan-ribbon{
  position:absolute;top:-13px;left:28px;background:var(--primary);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.08em;border-radius:999px;padding:5px 14px;
}
.plan h3{font-size:20px;margin-bottom:8px}
.plan-desc{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:18px;min-height:50px}
.plan-price{font-size:22px;font-weight:700;color:var(--primary-deep);margin-bottom:4px}
.plan-price small{font-size:13px;font-weight:400;color:var(--muted);display:block;margin-top:4px;line-height:1.6}
.plan-list{list-style:none;padding:0;margin:20px 0 24px;border-top:1px solid var(--line);padding-top:18px}
.plan-list li{
  display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted);
  line-height:1.7;padding:6px 0;
}
.plan-list svg{width:16px;height:16px;flex-shrink:0;margin-top:4px;color:var(--success)}
.plan-list li.is-off svg{color:#B9A896}
.plan .btn{margin-top:auto}

.compare-wrap{margin-top:40px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
table.compare{width:100%;border-collapse:collapse;font-size:14px}
table.compare th,table.compare td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line)}
table.compare thead th{background:var(--surface-alt);font-weight:600;color:var(--ink);font-size:13.5px;letter-spacing:.02em}
table.compare tbody th{font-weight:600;color:var(--ink);background:var(--surface-soft);width:22%}
table.compare tbody tr:hover td,table.compare tbody tr:hover th{background:#FFF9F1}
table.compare tbody tr:last-child th,table.compare tbody tr:last-child td{border-bottom:0}
table.compare td{color:var(--muted)}
.tick{display:inline-flex;align-items:center;gap:7px;color:var(--ink);font-weight:500}
.tick svg{width:15px;height:15px;color:var(--success);flex-shrink:0}
.tick.is-off{color:#A7988A;font-weight:400}
.tick.is-off svg{color:#C6B6A5}

/* ============ 排期窗口 ============ */
.window{
  position:relative;overflow:hidden;background:#2B211B;color:#F3EADF;
  border-radius:var(--radius-lg);padding:52px;display:grid;
  grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;
  box-shadow:var(--shadow-lg);
}
.window::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(112deg, rgba(243,234,223,.05) 0 1px, transparent 1px 12px);
}
.window > *{position:relative}
.window h2{color:#FAF6EF;margin-bottom:14px}
.window p{color:#D9C7B4;font-size:15px;line-height:1.85;max-width:520px}
.window .mini-note{font-size:13px;color:#B9A796;margin-top:16px;line-height:1.7}
.window-cta{margin-top:24px}
.countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.cd-cell{
  background:rgba(243,234,223,.08);border:1px solid rgba(243,234,223,.18);
  border-radius:12px;min-height:64px;padding:12px 6px;text-align:center;
  display:flex;flex-direction:column;justify-content:center;
}
.cd-num{font-size:24px;font-weight:700;color:#FAF6EF;font-variant-numeric:tabular-nums;line-height:1.2}
.cd-label{font-size:11.5px;color:#B9A796;letter-spacing:.1em;margin-top:4px}

/* ============ 最新动态 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#D9C4AC}
.news-media{display:block;background:var(--surface-alt)}
.news-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.news-body .badge{margin-bottom:12px}
.news-title{font-size:18px;line-height:1.5;font-weight:600;margin-bottom:10px}
.news-title a{
  color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-title a:hover{color:var(--primary-deep)}
.news-summary{
  font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:#94857A;border-top:1px solid var(--line);padding-top:14px;
  font-variant-numeric:tabular-nums;
}
.news-meta svg{width:16px;height:16px;color:var(--primary)}
.empty-state{
  grid-column:1/-1;border:1px dashed var(--line);border-radius:var(--radius);
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;background:var(--surface-soft);text-align:center;padding:32px;
}
.empty-state svg{width:36px;height:36px;color:var(--primary)}
.empty-state p{color:var(--muted);font-size:15px}
.empty-state a{font-weight:600;text-decoration:underline;text-underline-offset:4px}

/* ============ FAQ ============ */
.faq{max-width:900px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-question{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:none;border:0;padding:20px 0;text-align:left;cursor:pointer;
  font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.55;
  transition:color .18s var(--ease);
}
.faq-question:hover{color:var(--primary-deep)}
.faq-question[aria-expanded="true"]{color:var(--primary-deep)}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;position:relative;
  transition:transform .22s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary-deep);border-radius:2px;
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-question[aria-expanded="true"] .faq-icon{transform:rotate(45deg);background:var(--surface-alt);border-color:var(--primary)}
.faq-answer{padding:0 0 22px;font-size:15.5px;line-height:1.8;color:var(--muted)}
.faq-answer[hidden]{display:none}

/* ============ 表单 ============ */
.contact{
  background:var(--surface-alt);position:relative;overflow:hidden;
}
.contact::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(118deg, rgba(176,107,69,.06) 0 1px, transparent 1px 11px);
}
.contact-grid{position:relative;display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.contact-copy h2{margin-bottom:16px}
.contact-copy p{color:var(--muted);font-size:15.5px;line-height:1.85;margin-bottom:22px}
.point-list{list-style:none;padding:0;margin:0 0 28px}
.point-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--ink);padding:8px 0;line-height:1.75}
.point-list svg{width:16px;height:16px;flex-shrink:0;margin-top:5px;color:var(--secondary)}
.contact-info{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;font-size:14px;color:var(--muted);line-height:1.9;box-shadow:var(--shadow-sm);
}
.contact-info strong{color:var(--ink);display:block;margin-bottom:6px;font-size:15px}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px;box-shadow:var(--shadow-md);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px;display:flex;flex-direction:column}
.field label{font-size:13.5px;font-weight:500;margin-bottom:8px;color:var(--ink)}
.field .req{color:var(--danger);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:15px;color:var(--ink);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0 14px;height:48px;line-height:48px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
  appearance:none;-webkit-appearance:none;
}
.field textarea{height:112px;padding:14px;line-height:1.75;resize:vertical}
.field select{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236E5F54' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:40px;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--focus);
}
.field input::placeholder,.field textarea::placeholder{color:#A99B8E}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--danger)}
.field-error{font-size:12.5px;color:var(--danger);margin-top:6px;line-height:1.6;display:none}
.field.has-error .field-error{display:block}
.checkbox{display:flex;align-items:flex-start;gap:10px;font-size:12.5px;color:var(--muted);line-height:1.7;margin-bottom:20px}
.checkbox input{width:18px;height:18px;flex-shrink:0;margin-top:3px;accent-color:var(--primary)}
.form-note{font-size:12.5px;color:#94857A;line-height:1.7;margin-top:14px}
.alert{
  display:none;border-radius:var(--radius-sm);padding:12px 16px;font-size:14px;line-height:1.7;margin-bottom:18px;
}
.alert.is-success{display:block;background:var(--success-soft);color:var(--success);border:1px solid #CBDCC5}
.alert.is-error{display:block;background:#F8E7E3;color:var(--danger);border:1px solid #EBC7BF}
.spinner{
  width:16px;height:16px;border-radius:50%;border:2px solid rgba(255,255,255,.45);
  border-top-color:#fff;animation:spin .7s linear infinite;display:none;
}
.btn.is-loading .spinner{display:inline-block}
.btn.is-loading{opacity:.9;pointer-events:none}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============ 页脚 ============ */
.site-footer{background:#2B211B;color:#F3EADF;padding:72px 0 0;position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(110deg, rgba(243,234,223,.04) 0 1px, transparent 1px 13px);
}
.footer-grid{position:relative;display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:40px;padding-bottom:52px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand .brand-name{color:#FAF6EF}
.footer-brand .brand-sub{color:#B9A796}
.footer-brand p{font-size:14px;color:#C9B8A8;line-height:1.85;max-width:320px}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:#FAF6EF;margin-bottom:16px;font-weight:600}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:#C9B8A8;line-height:2}
.footer-col a:hover{color:#FAF6EF;text-decoration:underline;text-underline-offset:4px}
.footer-col p{font-size:14px;color:#C9B8A8;line-height:2}
.footer-bottom{
  position:relative;border-top:1px solid rgba(243,234,223,.14);
  padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;font-size:13px;color:#A9968A;
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:20px}
.footer-bottom a{color:#A9968A}
.footer-bottom a:hover{color:#FAF6EF}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-grid{gap:36px}
  .hero-card{left:0}
  .window{padding:40px;gap:32px}
  .footer-grid{grid-template-columns:1.2fr .8fr .8fr;gap:32px}
  .footer-col:last-child{grid-column:1/-1}
}
@media (max-width:900px){
  .nav-menu{display:none}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .nav{padding:0 10px 0 16px}
  .hero{padding:36px 0 56px}
  .hero-grid{grid-template-columns:1fr;min-height:0;gap:36px}
  .hero-media{order:2}
  .hero-media img{aspect-ratio:16/10}
  .hero-seal{width:80px;height:80px;font-size:11.5px;right:6px;top:-10px}
  .hero-card{position:static;width:100%;margin-top:-32px;margin-left:16px;margin-right:16px}
  .section{padding:72px 0}
  .section--tight{padding:52px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .stat:nth-child(odd){border-right:1px solid var(--line)}
  .stat:nth-last-child(-n+2){border-bottom:0}
  .ladder{grid-template-columns:repeat(2,1fr);gap:28px 20px}
  .ladder::before{display:none}
  .plans{grid-template-columns:1fr}
  .plan--featured{transform:none}
  .plan--featured:hover{transform:translateY(-2px)}
  .plan-desc{min-height:0}
  .window{grid-template-columns:1fr;padding:36px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .compare-wrap{display:none}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-col:last-child{grid-column:auto}
  .window{padding:28px}
  .countdown{gap:10px}
  .cd-num{font-size:20px}
  .cd-cell{min-height:58px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .site-header{top:8px;padding:0 10px}
  .section{padding:48px 0}
  .section--tight{padding:40px 0}
  .news-grid{grid-template-columns:1fr}
  .ladder{grid-template-columns:1fr}
  .hero-copy h1{font-size:clamp(28px,8vw,34px)}
  .hero-actions .btn{width:100%}
  .hero-card{margin-left:0;margin-right:0}
  .stats-grid{grid-template-columns:1fr}
  .stat{border-right:0 !important;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .window{padding:24px}
  .countdown{grid-template-columns:repeat(2,1fr)}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none !important;animation:none !important}
}

/* roulang page: category1 */
:root{
  --bg:#FAF6EF;
  --surface:#FFFFFF;
  --surface-alt:#F3EADF;
  --surface-warm:#FFFDF9;
  --ink:#2B211B;
  --muted:#6E5F54;
  --line:#E6D9C8;
  --primary:#B06B45;
  --primary-deep:#7E472D;
  --secondary:#5F6F52;
  --secondary-soft:#E8EDE2;
  --accent:#DFA15C;
  --danger:#B4472F;
  --success:#4E6B4A;
  --focus:rgba(176,107,69,.35);
  --radius-lg:28px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-sm:0 10px 30px rgba(58,44,36,.06);
  --shadow-md:0 16px 40px rgba(58,44,36,.10);
  --space-block:96px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;border-radius:0;}
a{color:var(--primary-deep);text-decoration:none;transition:color .2s ease;}
a:hover{text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.skip-link{
  position:absolute;left:16px;top:-60px;z-index:100;
  background:var(--primary-deep);color:#fff;padding:12px 20px;border-radius:999px;
  transition:top .2s ease;
}
.skip-link:focus{top:16px;text-decoration:none;}
.nums{font-variant-numeric:tabular-nums;}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:sticky;top:16px;z-index:60;
  padding:0 24px;
}
.nav-shell{
  max-width:1200px;margin:0 auto;
  height:64px;display:flex;align-items:center;gap:24px;
  padding:0 12px 0 20px;
  background:rgba(250,246,239,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(58,44,36,.08);
  border-radius:999px;
  box-shadow:0 10px 30px rgba(58,44,36,.08);
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:0 0 auto;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--primary);color:#fff;
  font-size:15px;font-weight:700;letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.06em;}
.brand-sub{font-size:10px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;}
.nav-menu{
  display:flex;align-items:center;gap:6px;margin-left:auto;
}
.nav-menu a{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:9px 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink);
  transition:background .18s ease,color .18s ease;
}
.nav-menu a:hover{background:#F3EADF;text-decoration:none;}
.nav-menu a.is-active{color:var(--primary-deep);font-weight:600;}
.nav-menu a.is-active::before{
  content:"";width:4px;height:4px;border-radius:50%;background:var(--primary);
}
.nav-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;
  height:44px;padding:0 22px;border-radius:999px;
  background:var(--primary);color:#fff;font-weight:600;font-size:14px;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.nav-cta:hover{background:var(--primary-deep);text-decoration:none;transform:translateY(-1px);box-shadow:0 10px 22px rgba(126,71,45,.24);}
.nav-cta:active{transform:translateY(0);box-shadow:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:var(--surface);
  align-items:center;justify-content:center;gap:4px;flex-direction:column;
  margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(126,71,45,.18);}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-1px);box-shadow:0 14px 30px rgba(126,71,45,.26);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--primary-deep);border:1px solid var(--primary-deep);}
.btn-ghost:hover{background:var(--surface-alt);}
.btn-dark{background:var(--accent);color:#2B211B;}
.btn-dark:hover{background:#EDB075;transform:translateY(-1px);}
.btn .arrow-ico{width:16px;height:16px;flex:0 0 auto;}

/* ---------- 面包屑 ---------- */
.crumb{margin-top:32px;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:#C8B7A4;}

/* ---------- masthead ---------- */
.masthead{
  position:relative;margin-top:20px;padding:56px 0;
  background:
    repeating-linear-gradient(115deg,rgba(176,107,69,.05) 0 1px,transparent 1px 14px),
    var(--surface-alt);
  border-radius:var(--radius-lg);
  overflow:hidden;
}
.masthead-inner{
  display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;color:var(--primary-deep);
  text-transform:uppercase;font-weight:600;
  padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.7);
  border:1px solid rgba(176,107,69,.2);
}
.masthead h1{
  margin-top:18px;
  font-size:clamp(32px,4.6vw,52px);
  line-height:1.2;font-weight:700;letter-spacing:.01em;
}
.masthead h1 em{font-style:normal;color:var(--primary-deep);}
.masthead .lead{
  margin-top:20px;max-width:56ch;font-size:17px;line-height:1.9;color:var(--muted);
}
.masthead-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.masthead-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:500;color:var(--primary-deep);
  background:rgba(255,255,255,.78);border:1px solid var(--line);
}
.masthead-media{position:relative;}
.masthead-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-lg);
  background:var(--surface-alt);
  box-shadow:var(--shadow-md);
}
.seal{
  position:absolute;right:-14px;bottom:-14px;
  width:96px;height:96px;border-radius:50%;
  display:grid;place-items:center;text-align:center;
  background:var(--secondary);color:#fff;
  font-size:12px;line-height:1.35;letter-spacing:.08em;font-weight:600;
  border:4px solid var(--surface-alt);
  box-shadow:var(--shadow-sm);
}

/* ---------- 板块通用 ---------- */
.section{padding:var(--space-block) 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--surface-warm);}
.section-head{max-width:820px;}
.section-head h2{
  font-size:clamp(26px,3vw,38px);line-height:1.28;font-weight:700;
}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;}

/* ---------- 品类导语条 ---------- */
.intro-bar{
  margin-top:-32px;position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.intro-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px 24px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.intro-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#DCC7AE;}
.intro-card .k{
  font-size:12px;letter-spacing:.14em;color:var(--secondary);font-weight:600;text-transform:uppercase;
}
.intro-card .v{
  margin-top:8px;font-size:22px;font-weight:700;line-height:1.3;
}
.intro-card .d{margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.7;}

/* ---------- 交错图文行 ---------- */
.split-list{display:grid;gap:64px;margin-top:48px;}
.split-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
}
.split-row.reverse .split-media{order:2;}
.split-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-lg);background:var(--surface-alt);
  border:1px solid var(--line);
}
.split-body .tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  background:var(--secondary-soft);color:#3F4C36;
}
.split-body h3{margin-top:16px;font-size:22px;line-height:1.45;font-weight:600;}
.split-body p{margin-top:12px;color:var(--muted);font-size:16px;}
.spec-points{margin-top:18px;display:grid;gap:10px;}
.spec-points li{
  position:relative;padding-left:28px;font-size:15px;line-height:1.75;color:var(--ink);
}
.spec-points li::before{
  content:"";position:absolute;left:0;top:8px;width:16px;height:16px;border-radius:50%;
  background:var(--secondary-soft);
  box-shadow:inset 0 0 0 1px rgba(95,111,82,.35);
}
.spec-points li::after{
  content:"";position:absolute;left:5px;top:12px;width:6px;height:3px;
  border-left:1.6px solid var(--secondary);border-bottom:1.6px solid var(--secondary);
  transform:rotate(-45deg);
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:20px;
  font-weight:600;font-size:15px;color:var(--primary-deep);
}
.text-link:hover{text-decoration:underline;text-underline-offset:4px;}
.text-link svg{width:14px;height:14px;}

/* ---------- 规格参数表 ---------- */
.table-wrap{
  margin-top:36px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);box-shadow:var(--shadow-sm);
  overflow-x:auto;
}
table.spec-table{width:100%;border-collapse:collapse;min-width:660px;font-size:15px;}
.spec-table thead th{
  background:var(--surface-alt);color:var(--ink);
  text-align:left;font-weight:600;font-size:14px;letter-spacing:.04em;
  padding:16px 22px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.spec-table tbody th{
  text-align:left;font-weight:600;color:var(--ink);
  padding:16px 22px;border-bottom:1px solid var(--line);
  background:#FCF8F2;white-space:nowrap;
}
.spec-table tbody td{
  padding:16px 22px;border-bottom:1px solid var(--line);color:var(--muted);
}
.spec-table tbody tr:last-child th,.spec-table tbody tr:last-child td{border-bottom:0;}
.spec-table tbody tr:hover td,.spec-table tbody tr:hover th{background:#FBF5EC;}
.table-note{margin-top:14px;font-size:13px;color:var(--muted);}

/* ---------- 能力参数条 ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px;
}
.metric{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px;text-align:left;
}
.metric .num{font-size:30px;font-weight:700;line-height:1.1;color:var(--primary-deep);}
.metric .unit{font-size:14px;font-weight:600;color:var(--muted);margin-left:4px;}
.metric .cap{margin-top:10px;font-size:13.5px;color:var(--muted);line-height:1.7;}

/* ---------- 常见问题 ---------- */
.faq{max-width:900px;margin:36px auto 0;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-trigger{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;padding:18px 4px;text-align:left;
  font-size:17px;font-weight:600;line-height:1.6;color:var(--ink);
  transition:color .18s ease;
}
.faq-trigger:hover{color:var(--primary-deep);}
.faq-trigger[aria-expanded="true"]{color:var(--primary-deep);}
.faq-icon{position:relative;flex:0 0 auto;width:20px;height:20px;transition:transform .22s ease;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-trigger[aria-expanded="true"] .faq-icon{transform:rotate(45deg);}
.faq-panel{padding:0 4px 20px;font-size:15.5px;line-height:1.8;color:var(--muted);}
.faq-panel[hidden]{display:none;}

/* ---------- CTA 横幅 ---------- */
.cta-banner{
  margin:0 auto;max-width:1200px;
  background:linear-gradient(0deg,rgba(243,234,223,.9),rgba(243,234,223,.9)),var(--surface-alt);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
}
.cta-banner h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:700;}
.cta-banner p{margin-top:10px;color:var(--muted);font-size:15.5px;max-width:62ch;}
.cta-banner .btn{flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:var(--space-block);background:#2B211B;color:#F3EADF;padding:72px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;}
.site-footer .brand{color:#F3EADF;}
.site-footer .brand-mark{background:var(--accent);color:#2B211B;}
.site-footer .brand-sub{color:#B7A493;}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:#C9B9A8;max-width:38ch;}
.footer-col h4{font-size:14px;letter-spacing:.1em;font-weight:600;color:#F3EADF;text-transform:uppercase;}
.footer-col ul{margin-top:16px;display:grid;gap:10px;}
.footer-col a{color:#C9B9A8;font-size:14px;line-height:2;}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-col p{margin-top:16px;font-size:14px;line-height:2;color:#C9B9A8;}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(243,234,223,.14);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:#A99988;
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:20px;}
.footer-bottom a{color:#C9B9A8;font-size:13px;}
.footer-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--space-block:80px;}
  .masthead-inner{gap:40px;}
  .split-row{gap:40px;}
}
@media (max-width:1023px){
  .masthead-inner{grid-template-columns:1fr;}
  .masthead-media{order:-1;}
  .masthead-media img{aspect-ratio:16/10;}
  .seal{width:84px;height:84px;font-size:11px;right:10px;bottom:-16px;}
  .intro-bar{grid-template-columns:repeat(2,1fr);}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:900px){
  :root{--space-block:64px;}
  .site-header{top:8px;padding:0 16px;}
  .nav-shell{padding:0 10px 0 16px;gap:12px;}
  .nav-toggle{display:flex;}
  .nav-menu{
    position:absolute;top:74px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--surface);border:1px solid var(--line);border-radius:20px;
    padding:12px;box-shadow:var(--shadow-md);
    display:none;margin-left:0;
  }
  .nav-menu.is-open{display:flex;}
  .nav-menu a{height:48px;padding:0 16px;border-radius:12px;justify-content:flex-start;font-size:16px;}
  .nav-menu a+a{border-top:1px solid var(--line);}
  .nav-menu a.is-active::before{display:none;}
  .nav-menu a.is-active{background:var(--surface-alt);}
  .nav-cta{display:none;}
  .nav-menu .nav-cta-mobile{
    display:flex;align-items:center;justify-content:center;
    margin-top:12px;height:48px;border-radius:999px;
    background:var(--primary);color:#fff;font-weight:600;
  }
  .nav-menu .nav-cta-mobile:hover{background:var(--primary-deep);text-decoration:none;}
  .split-row,.split-row.reverse{grid-template-columns:1fr;}
  .split-row.reverse .split-media{order:0;}
  .masthead{padding:40px 0;border-radius:22px;}
  .cta-banner{padding:32px 28px;border-radius:22px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:48px 0;}
  .intro-bar{grid-template-columns:1fr;gap:12px;margin-top:-20px;}
  .metrics{grid-template-columns:1fr 1fr;gap:12px;}
  .split-list{gap:44px;margin-top:32px;}
  .faq-trigger{font-size:16px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .cta-banner h2{font-size:22px;}
  .cta-banner .btn{width:100%;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .masthead h1{font-size:32px;}
  .masthead .lead{font-size:16px;}
  .masthead-actions{flex-direction:column;align-items:stretch;}
  .masthead-actions .btn{width:100%;}
  .metrics{grid-template-columns:1fr;}
  .brand-sub{display:none;}
  .seal{width:72px;height:72px;font-size:10px;right:8px;bottom:-12px;border-width:3px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --bg:#FAF6EF;
  --bg-soft:#FFFDF9;
  --surface:#FFFFFF;
  --surface-alt:#F3EADF;
  --ink:#2B211B;
  --ink-soft:#33271F;
  --muted:#6E5F54;
  --line:#E6D9C8;
  --primary:#B06B45;
  --primary-deep:#7E472D;
  --secondary:#5F6F52;
  --accent:#DFA15C;
  --dark:#2B211B;
  --danger:#B4472F;
  --success:#4E6B4A;
  --focus:rgba(176,107,69,.35);
  --radius-lg:28px;
  --radius:18px;
  --radius-sm:12px;
  --shadow-sm:0 10px 30px rgba(58,44,36,.06);
  --shadow-md:0 16px 40px rgba(58,44,36,.10);
  --dur:200ms;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary-deep);text-decoration:none;transition:color var(--dur) ease}
a:hover{text-decoration:underline;text-underline-offset:3px}
button{font-family:inherit}
ul,ol{margin:0}
h1,h2,h3,h4{margin:0;letter-spacing:.01em}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px}
.skip-link{
  position:absolute;left:16px;top:-80px;z-index:200;
  padding:10px 20px;border-radius:999px;
  background:var(--primary-deep);color:#fff;font-size:14px;
  transition:top var(--dur) ease;
}
.skip-link:focus{top:16px;text-decoration:none;color:#fff}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ===================== 悬浮胶囊导航 ===================== */
.site-header{position:sticky;top:16px;z-index:80;padding:0 16px}
.nav-wrap{
  position:relative;
  max-width:1200px;margin:0 auto;
  min-height:64px;
  display:flex;align-items:center;gap:16px;
  padding:10px 14px 10px 20px;
  background:rgba(250,246,239,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(58,44,36,.08);
  border-radius:999px;
  box-shadow:0 10px 30px rgba(58,44,36,.08);
}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;
  display:grid;place-items:center;
  border-radius:13px;
  background:linear-gradient(140deg,var(--primary),var(--primary-deep));
  color:#fff;font-size:17px;font-weight:700;line-height:1;
  box-shadow:0 6px 16px rgba(126,71,45,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.06em}
.brand-sub{font-size:10px;letter-spacing:.18em;color:var(--muted);margin-top:3px}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;
  height:40px;padding:0 14px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:#4A3B31;
  transition:background var(--dur) ease,color var(--dur) ease;
  text-decoration:none;
}
.main-nav a:hover{background:var(--surface-alt);color:var(--ink);text-decoration:none}
.main-nav a.is-active{color:var(--primary-deep);font-weight:600}
.main-nav a.is-active::after{
  content:"";position:absolute;left:50%;bottom:3px;
  width:4px;height:4px;border-radius:50%;
  background:var(--primary);transform:translateX(-50%);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;
  border:1px solid var(--line);border-radius:999px;background:#fff;
  cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  transition:background var(--dur) ease,border-color var(--dur) ease;
}
.nav-toggle:hover{background:var(--surface-alt)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform var(--dur) ease,opacity var(--dur) ease}
.drawer-cta{display:none}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;
  border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  cursor:pointer;text-decoration:none;
  transition:background var(--dur) ease,color var(--dur) ease,border-color var(--dur) ease,transform var(--dur) ease,box-shadow var(--dur) ease;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(176,107,69,.22)}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(126,71,45,.26)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(126,71,45,.2)}
.btn-ghost{background:transparent;border-color:var(--primary-deep);color:var(--primary-deep)}
.btn-ghost:hover{background:var(--surface-alt);color:var(--primary-deep)}
.btn-light{background:var(--accent);color:#2B211B;box-shadow:0 8px 20px rgba(223,161,92,.28)}
.btn-light:hover{background:#EFB273;color:#2B211B;transform:translateY(-1px)}
.btn-outline-light{background:transparent;border-color:rgba(243,234,223,.42);color:#F3EADF}
.btn-outline-light:hover{background:rgba(243,234,223,.12);color:#fff}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ===================== 面包屑 ===================== */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:36px 0 0;font-size:13px;color:var(--muted);line-height:1.6;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary-deep)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--ink);font-weight:500;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-article::before{
  content:"";position:absolute;inset:0 0 auto 0;height:520px;z-index:-1;
  background:
    radial-gradient(760px 320px at 78% 0%,rgba(223,161,92,.16),transparent 70%),
    repeating-linear-gradient(115deg,rgba(176,107,69,.045) 0 1px,transparent 1px 26px);
  pointer-events:none;
}
body.page-article{position:relative;overflow-x:hidden}

/* ===================== 文章头部 ===================== */
.article-head{padding:18px 0 30px;border-bottom:1px solid var(--line);margin-top:8px}
.article-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(95,111,82,.12);color:#3E5138;
  font-size:12.5px;font-weight:600;letter-spacing:.08em;
}
.article-tag i{width:6px;height:6px;border-radius:50%;background:var(--secondary);display:inline-block}
.article-head h1{
  margin:18px 0 0;
  font-size:clamp(30px,4.2vw,44px);
  line-height:1.32;font-weight:700;max-width:920px;
}
.article-meta{
  margin-top:20px;display:flex;flex-wrap:wrap;align-items:center;gap:8px 22px;
  font-size:13.5px;color:var(--muted);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta svg{width:15px;height:15px;stroke:var(--primary);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* ===================== 正文布局 ===================== */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr);
  gap:44px;padding:40px 0 0;
}
.article-body{
  max-width:820px;
  font-size:17px;line-height:1.9;letter-spacing:.01em;color:var(--ink-soft);
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  position:relative;margin:2.4em 0 .9em;padding-left:16px;
  font-size:clamp(20px,2.3vw,25px);line-height:1.45;font-weight:700;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;bottom:.32em;
  width:4px;border-radius:2px;background:var(--primary);
}
.article-body h3{margin:1.8em 0 .7em;font-size:19px;line-height:1.5;font-weight:600;color:var(--ink)}
.article-body h4{margin:1.4em 0 .6em;font-size:17px;font-weight:600;color:var(--ink)}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  background:var(--surface-alt);
  border-left:3px solid var(--primary);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#4A3B31;font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em;line-height:1.85}
.article-body li{margin-bottom:.45em}
.article-body a{color:var(--primary-deep);text-decoration:underline;text-underline-offset:3px}
.article-body strong{color:var(--ink);font-weight:600}
.article-body img{border-radius:var(--radius-sm);margin:1.4em 0;height:auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.4em 0;
  font-size:15px;display:block;overflow-x:auto;white-space:normal;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.article-body th{background:var(--surface-alt);font-weight:600;color:var(--ink)}
.article-body tr:hover td{background:#FFFBF5}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}

/* 空状态 */
.empty-state{
  text-align:center;padding:64px 24px;
  background:var(--surface);border:1px dashed var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);
}
.empty-state svg{width:44px;height:44px;margin:0 auto 16px;stroke:var(--primary);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{margin:0 0 16px;font-size:16px;color:var(--muted)}

/* 标签 */
.tag-row{
  display:flex;flex-wrap:wrap;gap:10px;
  margin:36px 0 0;padding-top:26px;border-top:1px solid var(--line);max-width:820px;
}
.tag{
  display:inline-flex;align-items:center;padding:7px 15px;
  border-radius:999px;background:var(--surface-alt);
  color:var(--primary-deep);font-size:13px;font-weight:500;
  transition:background var(--dur) ease,color var(--dur) ease;
}
.tag:hover{background:#EADCC9;color:var(--primary-deep);text-decoration:none}

/* ===================== 侧栏 ===================== */
.article-side{display:flex;flex-direction:column;gap:20px;max-width:420px;width:100%}
.side-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;
  box-shadow:var(--shadow-sm);
}
.side-card h3{margin:0 0 10px;font-size:17px;font-weight:700;line-height:1.5}
.side-card p{margin:0 0 18px;font-size:14px;line-height:1.85;color:var(--muted)}
.side-card.dark{
  background:var(--dark);border-color:#3A2D25;color:#F3EADF;
  background-image:repeating-linear-gradient(115deg,rgba(243,234,223,.04) 0 1px,transparent 1px 22px);
}
.side-card.dark h3{color:#fff}
.side-card.dark p{color:rgba(243,234,223,.78)}
.side-list{list-style:none;margin:20px 0 0;padding:0}
.side-list li{
  position:relative;padding-left:16px;
  font-size:13.5px;line-height:1.9;color:rgba(243,234,223,.76);
}
.side-list li + li{margin-top:4px}
.side-list li::before{
  content:"";position:absolute;left:0;top:.78em;
  width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.side-links{list-style:none;margin:0;padding:0}
.side-links li + li{border-top:1px solid var(--line)}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 0;font-size:14px;color:#4A3B31;font-weight:500;
  transition:color var(--dur) ease;
}
.side-links a:hover{color:var(--primary-deep);text-decoration:none}
.side-links svg{width:16px;height:16px;flex:0 0 16px;stroke:var(--primary);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--dur) ease}
.side-links a:hover svg{transform:translateX(3px)}

/* ===================== 相关推荐 ===================== */
.related{margin-top:76px;padding-top:48px;border-top:1px solid var(--line)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;flex-wrap:wrap;margin-bottom:30px;
}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700}
.section-head p{margin:10px 0 0;font-size:14.5px;color:var(--muted)}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--primary-deep);
}
.text-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--dur) ease}
.text-link:hover{text-decoration:none;color:var(--primary-deep)}
.text-link:hover svg{transform:translateX(3px)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);color:var(--ink);
  transition:transform var(--dur) ease,box-shadow var(--dur) ease,border-color var(--dur) ease;
}
.card:hover{
  transform:translateY(-2px);box-shadow:var(--shadow-md);
  border-color:#D8C4AC;text-decoration:none;color:var(--ink);
}
.card-media{
  position:relative;aspect-ratio:16/10;overflow:hidden;
  background:var(--surface-alt);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  background:rgba(95,111,82,.12);color:#3E5138;
  font-size:12px;font-weight:600;letter-spacing:.06em;align-self:flex-start;
}
.card-title{
  font-size:17px;line-height:1.5;font-weight:700;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-desc{
  font-size:14px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.card-foot svg{width:16px;height:16px;stroke:var(--primary);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--dur) ease}
.card:hover .card-foot svg{transform:translateX(4px)}

.back-row{margin-top:36px;display:flex;flex-wrap:wrap;gap:12px}

/* ===================== CTA 横幅 ===================== */
.article-cta{
  margin-top:72px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:40px 44px;border-radius:var(--radius-lg);
  background:var(--dark);color:#F3EADF;
  background-image:
    radial-gradient(520px 220px at 88% 0%,rgba(223,161,92,.20),transparent 70%),
    repeating-linear-gradient(115deg,rgba(243,234,223,.045) 0 1px,transparent 1px 24px);
  box-shadow:0 24px 60px rgba(43,33,27,.22);
}
.article-cta h2{font-size:clamp(21px,2.5vw,28px);line-height:1.4;color:#fff;max-width:560px}
.article-cta p{margin:12px 0 0;font-size:14.5px;line-height:1.85;color:rgba(243,234,223,.76);max-width:560px}
.article-cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}

/* ===================== 页脚 ===================== */
.site-footer{margin-top:96px;background:var(--dark);color:#F3EADF;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px}
.site-footer .brand{color:#F3EADF}
.site-footer .brand:hover{text-decoration:none}
.site-footer .brand-name{color:#F3EADF}
.site-footer .brand-sub{color:rgba(243,234,223,.6)}
.site-footer .brand-mark{background:linear-gradient(140deg,#DFA15C,#B06B45);box-shadow:none}
.footer-brand p{margin:18px 0 0;font-size:14px;line-height:1.9;color:rgba(243,234,223,.72);max-width:340px}
.footer-col h4{margin:0 0 16px;font-size:14px;font-weight:700;letter-spacing:.08em;color:#F3EADF}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;line-height:1.9;color:rgba(243,234,223,.72)}
.footer-col a:hover{color:var(--accent);text-decoration:none}
.footer-col p{margin:0;font-size:14px;line-height:2;color:rgba(243,234,223,.72)}
.footer-bottom{
  margin-top:48px;padding:22px 0 30px;
  border-top:1px solid rgba(243,234,223,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(243,234,223,.6);
}
.footer-bottom nav{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom a{color:rgba(243,234,223,.6);font-size:13px}
.footer-bottom a:hover{color:var(--accent);text-decoration:none}

/* ===================== 响应式 ===================== */
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:start}
  .article-side{position:sticky;top:104px;max-width:none}
}
@media (max-width:1023px){
  .article-side{max-width:100%;flex-direction:row;flex-wrap:wrap}
  .article-side .side-card{flex:1 1 300px}
}
@media (max-width:900px){
  .site-header{top:8px;padding:0 12px}
  .nav-wrap{flex-wrap:wrap;border-radius:24px;padding:10px 12px 10px 16px;gap:10px}
  .nav-toggle{display:flex}
  .main-nav{
    order:3;width:100%;display:none;flex-direction:column;align-items:stretch;
    margin:8px 0 2px;padding:8px;gap:2px;
    background:var(--surface);border:1px solid var(--line);border-radius:16px;
  }
  .main-nav a{height:48px;justify-content:flex-start;padding:0 14px;border-radius:12px;font-size:15px}
  .main-nav a.is-active::after{display:none}
  .site-header.nav-open .main-nav{display:flex}
  .nav-actions .btn-primary{display:none}
  .drawer-cta{
    display:inline-flex;margin-top:6px;width:100%;
    height:48px;min-height:48px;background:var(--primary);color:#fff;
    justify-content:center;font-size:15px;font-weight:600;border-radius:12px;
  }
  .drawer-cta:hover{background:var(--primary-deep);color:#fff;text-decoration:none}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-cta{flex-direction:column;align-items:flex-start;padding:32px}
  .article-cta-actions{width:100%}
  .article-cta-actions .btn{flex:1 1 200px}
  .breadcrumb{padding-top:26px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .article-layout{padding-top:28px;gap:36px}
  .article-body{font-size:16.5px;line-height:1.85}
  .article-side{flex-direction:column}
  .related{margin-top:56px;padding-top:36px}
  .related-grid{grid-template-columns:1fr}
  .site-footer{margin-top:72px;padding-top:48px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-name{font-size:15px}
  .brand-sub{font-size:9px;letter-spacing:.14em}
  .article-head h1{font-size:28px}
  .article-meta{font-size:12.5px;gap:6px 16px}
  .article-cta{padding:26px 22px;border-radius:22px}
  .article-cta-actions .btn{width:100%;flex:1 1 100%}
  .side-card{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .back-row .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --bg:#FAF6EF;
  --surface:#FFFFFF;
  --surface-soft:#FFFDF9;
  --surface-alt:#F3EADF;
  --ink:#2B211B;
  --muted:#6E5F54;
  --line:#E6D9C8;
  --line-strong:#D9C7B2;
  --primary:#B06B45;
  --primary-deep:#7E472D;
  --secondary:#5F6F52;
  --accent:#DFA15C;
  --danger:#B4472F;
  --success:#4E6B4A;
  --focus:rgba(176,107,69,.35);
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-sm:0 10px 30px rgba(58,44,36,.06);
  --shadow-md:0 16px 40px rgba(58,44,36,.10);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary-deep);text-decoration:none;}
a:hover{text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:clamp(32px,4.4vw,54px);line-height:1.2;font-weight:700;letter-spacing:.01em;}
h2{font-size:clamp(26px,3vw,38px);line-height:1.25;font-weight:700;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
p{line-height:1.85;}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px;}

.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--surface-alt);}
.section-soft{background:var(--surface-soft);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .eyebrow{display:inline-block;font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--secondary);font-weight:600;margin-bottom:14px;}
.section-head p{color:var(--muted);margin-top:16px;font-size:16px;}

.skip-link{
  position:absolute;left:16px;top:-80px;z-index:200;
  background:var(--primary-deep);color:#fff;padding:12px 22px;border-radius:999px;
  font-size:14px;transition:top .2s ease;
}
.skip-link:focus{top:16px;text-decoration:none;}

/* ============ 悬浮胶囊导航 ============ */
.site-header{
  position:sticky;top:16px;z-index:80;
  padding:0 24px;
}
.nav-wrap{
  max-width:var(--container);
  margin:0 auto;
  height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:0 12px 0 20px;
  border-radius:999px;
  background:rgba(250,246,239,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(58,44,36,.08);
  box-shadow:0 10px 30px rgba(58,44,36,.08);
}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:36px;height:36px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--primary);color:#fff;
  font-size:16px;font-weight:700;letter-spacing:0;
  flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.02em;}
.brand-sub{font-size:10.5px;color:var(--muted);letter-spacing:.14em;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-menu a{
  position:relative;
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 16px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--ink);
  transition:background .18s ease,color .18s ease;
}
.nav-menu a:hover{background:#F3EADF;text-decoration:none;}
.nav-menu a.is-active{color:var(--primary-deep);font-weight:600;}
.nav-menu a.is-active::before{
  content:"";width:4px;height:4px;border-radius:50%;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;
  align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:999px;
  background:var(--surface-alt);border:1px solid var(--line);
  color:var(--ink);cursor:pointer;
}
.nav-toggle svg{width:18px;height:18px;}
.mobile-drawer{
  display:none;
  max-width:var(--container);
  margin:10px auto 0;
  background:#FFFDF9;
  border:1px solid var(--line);
  border-radius:20px;
  padding:20px;
  box-shadow:var(--shadow-md);
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:flex;align-items:center;
  min-height:48px;padding:0 4px;
  font-size:15.5px;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.is-active{color:var(--primary-deep);font-weight:600;}
.mobile-drawer a:last-of-type{border-bottom:0;}
.mobile-drawer .btn{width:100%;margin-top:14px;border-bottom:0;justify-content:center;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;
  border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  cursor:pointer;text-decoration:none;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(176,107,69,.24);}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-1px);box-shadow:0 12px 26px rgba(126,71,45,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(126,71,45,.22);}
.btn-ghost{background:transparent;color:var(--primary-deep);border-color:var(--primary-deep);}
.btn-ghost:hover{background:var(--surface-alt);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--primary-deep);border-color:#fff;}
.btn-light:hover{background:var(--surface-alt);transform:translateY(-1px);}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--primary-deep);
}
.link-arrow svg{width:14px;height:14px;transition:transform .18s ease;}
.link-arrow:hover{text-decoration:none;}
.link-arrow:hover svg{transform:translateX(3px);}

/* ============ 面包屑 ============ */
.crumbs{padding:28px 0 0;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--primary-deep);}
.crumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:var(--line-strong);}
.crumbs li[aria-current]{color:var(--ink);font-weight:600;}

/* ============ masthead ============ */
.masthead{padding:28px 0 0;}
.masthead-inner{
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
  background:linear-gradient(180deg,#FFFDF9 0%,#F8F1E7 100%);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:44px;
  position:relative;
  overflow:hidden;
}
.masthead-inner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(176,107,69,.05) 0 1px,transparent 1px 9px);
  opacity:.5;
}
.masthead-text{position:relative;z-index:1;}
.masthead-text .tagline{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(95,111,82,.12);color:var(--secondary);
  font-size:12.5px;font-weight:600;letter-spacing:.05em;
  padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.masthead-text h1{margin-bottom:18px;}
.masthead-text h1 span{color:var(--primary-deep);}
.masthead-lead{color:var(--muted);font-size:16.5px;max-width:56ch;}
.masthead-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.masthead-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  background:#fff;border:1px solid var(--line);
  color:var(--muted);font-size:13px;
  padding:7px 14px;border-radius:999px;
}
.pill svg{width:14px;height:14px;color:var(--secondary);flex:none;}
.masthead-media{position:relative;z-index:1;}
.masthead-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-lg);
  background:var(--surface-alt);
  box-shadow:var(--shadow-sm);
}
.seal{
  position:absolute;left:-14px;bottom:-14px;
  width:92px;height:92px;border-radius:50%;
  background:var(--primary-deep);color:#FFF5EA;
  display:grid;place-items:center;text-align:center;
  font-size:12.5px;font-weight:700;line-height:1.35;letter-spacing:.08em;
  box-shadow:0 12px 26px rgba(126,71,45,.28);
  border:2px solid #F6E9D8;
}

/* ============ 流程时间轴 ============ */
.timeline{position:relative;max-width:880px;margin:0 auto;}
.timeline::before{
  content:"";position:absolute;left:19px;top:10px;bottom:10px;
  width:1px;background:var(--line-strong);
}
.tl-item{position:relative;padding-left:64px;margin-bottom:26px;}
.tl-item:last-child{margin-bottom:0;}
.tl-dot{
  position:absolute;left:0;top:0;
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  font-size:14px;font-weight:700;
  background:#fff;border:1px solid var(--line-strong);color:var(--muted);
  z-index:1;
  transition:background .2s ease,color .2s ease;
}
.tl-item.is-done .tl-dot{background:var(--surface-alt);border-color:var(--line-strong);color:var(--primary-deep);}
.tl-item.is-current .tl-dot{
  background:var(--primary);border-color:var(--primary);color:#fff;
  box-shadow:0 0 0 6px rgba(176,107,69,.12);
}
.tl-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:24px 26px;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.tl-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:var(--line-strong);}
.tl-card h3{margin-bottom:8px;}
.tl-card p{color:var(--muted);font-size:15.5px;}
.tl-meta{
  display:inline-block;margin-top:14px;
  font-size:12.5px;font-weight:600;color:var(--secondary);
  background:rgba(95,111,82,.12);
  padding:4px 12px;border-radius:999px;
}
.tl-item.is-current .tl-meta{background:rgba(176,107,69,.14);color:var(--primary-deep);}

/* ============ 服务范围双列清单 ============ */
.scope-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:20px 32px;
}
.scope-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:20px 22px;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.scope-item:hover{border-color:var(--line-strong);box-shadow:var(--shadow-sm);transform:translateY(-2px);}
.scope-item svg{width:20px;height:20px;color:var(--secondary);flex:none;margin-top:4px;}
.scope-item strong{display:block;font-size:16px;font-weight:600;margin-bottom:4px;}
.scope-item span{font-size:14.5px;color:var(--muted);line-height:1.75;}

/* ============ 保障参数条 ============ */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.guard-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:26px 24px;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.guard-card:hover{border-color:var(--line-strong);box-shadow:var(--shadow-sm);transform:translateY(-2px);}
.guard-card .guard-icon{
  width:40px;height:40px;border-radius:12px;
  background:var(--surface-alt);color:var(--primary-deep);
  display:grid;place-items:center;margin-bottom:16px;
}
.guard-card .guard-icon svg{width:20px;height:20px;}
.guard-card h3{font-size:18px;margin-bottom:8px;}
.guard-card p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ============ 深色重点区块 ============ */
.dark-band{
  position:relative;
  border-radius:var(--radius-xl);
  overflow:hidden;
  background:var(--ink);
  color:#F3EADF;
  padding:56px 48px;
  background-image:linear-gradient(rgba(43,33,27,.88),rgba(43,33,27,.9)),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
}
.dark-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(100deg,rgba(223,161,92,.06) 0 1px,transparent 1px 10px);
}
.dark-band-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:center;}
.dark-band h2{color:#FFF5EA;margin-bottom:16px;}
.dark-band p{color:#D9C9B8;font-size:15.5px;max-width:58ch;}
.dark-band .band-note{font-size:13px;color:#B7A491;margin-top:18px;}
.band-facts{display:grid;gap:12px;}
.band-fact{
  background:rgba(250,246,239,.07);
  border:1px solid rgba(243,234,223,.16);
  border-radius:var(--radius-sm);
  padding:16px 18px;
}
.band-fact strong{display:block;font-size:22px;color:#F8E9D6;font-variant-numeric:tabular-nums;}
.band-fact span{font-size:13px;color:#BFAE9B;}

/* ============ FAQ ============ */
.faq{max-width:900px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:18px 0;
  background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--primary-deep);}
.faq-item.is-open .faq-q{color:var(--primary-deep);}
.faq-icon{
  position:relative;flex:none;
  width:28px;height:28px;border-radius:50%;
  background:var(--surface-alt);
  display:grid;place-items:center;
  transition:transform .22s ease,background .22s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary-deep);border-radius:2px;
}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;transition:opacity .22s ease;}
.faq-item.is-open .faq-icon{transform:rotate(90deg);background:rgba(176,107,69,.16);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{display:none;padding:0 44px 22px 0;color:var(--muted);font-size:15.5px;line-height:1.85;}
.faq-item.is-open .faq-a{display:block;}

/* ============ 表单 ============ */
.form-shell{
  max-width:760px;margin:0 auto;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:40px;
  box-shadow:var(--shadow-sm);
}
.form-head{text-align:center;margin-bottom:32px;}
.form-head h2{margin-bottom:12px;}
.form-head p{color:var(--muted);font-size:15.5px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:500;color:var(--ink);}
.field label .req{color:var(--danger);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  font-family:inherit;
  font-size:15px;
  color:var(--ink);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:110px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:#A99887;}
.field select{
  appearance:none;
  -webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236E5F54' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  background-size:16px;
  padding-right:40px;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px var(--focus);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--danger);}
.err{display:none;font-size:12.5px;color:var(--danger);}
.field.has-error .err{display:block;}
.check-row{
  display:flex;align-items:flex-start;gap:10px;
  grid-column:1 / -1;
  font-size:12.8px;color:var(--muted);line-height:1.7;
}
.check-row input{
  width:18px;height:18px;min-height:18px;flex:none;margin-top:3px;accent-color:var(--primary);
}
.form-note{font-size:12.5px;color:var(--muted);margin-top:14px;text-align:center;}
.form-alert{
  display:none;
  margin-top:18px;padding:14px 18px;
  border-radius:var(--radius-sm);
  font-size:14px;
}
.form-alert.is-ok{display:block;background:rgba(78,107,74,.12);color:var(--success);border:1px solid rgba(78,107,74,.28);}
.form-alert.is-err{display:block;background:rgba(180,71,47,.1);color:var(--danger);border:1px solid rgba(180,71,47,.25);}
.spinner{
  width:16px;height:16px;border-radius:50%;
  border:2px solid rgba(255,255,255,.45);
  border-top-color:#fff;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}

/* ============ 页脚 ============ */
.site-footer{background:#2B211B;color:#F3EADF;padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .brand-name{color:#FFF5EA;}
.footer-brand .brand-sub{color:#B7A491;}
.footer-brand .brand-mark{background:var(--primary);}
.footer-brand p{color:#C4B3A2;font-size:14px;line-height:1.9;max-width:38ch;}
.footer-col h4{font-size:14px;font-weight:600;color:#F8E9D6;letter-spacing:.06em;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a,.footer-col p{color:#C4B3A2;font-size:14px;line-height:2;}
.footer-col a:hover{color:#F8E9D6;text-decoration:none;}
.footer-bottom{
  margin-top:56px;padding:24px 0;
  border-top:1px solid rgba(243,234,223,.14);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:#A99887;
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:20px;}
.footer-bottom a{color:#A99887;}
.footer-bottom a:hover{color:#F8E9D6;text-decoration:none;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .masthead-inner{grid-template-columns:1fr;gap:32px;padding:36px;}
  .masthead-media{order:2;}
  .seal{width:78px;height:78px;font-size:11px;left:auto;right:-8px;bottom:-12px;}
  .guard-grid{grid-template-columns:repeat(2,1fr);}
  .dark-band-inner{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .nav-menu{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-primary{display:none;}
  .section{padding:72px 0;}
  .section-tight{padding:52px 0;}
  .scope-wrap{grid-template-columns:1fr;}
}
@media (max-width:767px){
  .site-header{top:8px;padding:0 16px;}
  .container{padding:0 20px;}
  .masthead-inner{padding:28px 22px;border-radius:var(--radius-lg);}
  .masthead-lead{font-size:15.5px;}
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
  .form-shell{padding:26px 20px;}
  .form-grid{grid-template-columns:1fr;}
  .guard-grid{grid-template-columns:1fr;}
  .dark-band{padding:36px 24px;}
  .tl-item{padding-left:56px;}
  .tl-card{padding:20px;}
  .faq-q{font-size:16px;}
  .faq-a{padding-right:0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  h1{font-size:30px;}
  .masthead-actions .btn{width:100%;}
  .brand-sub{display:none;}
  .section{padding:48px 0;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}