/* roulang page: index */
:root{
  --brand:#0E3B2E;
  --brand-600:#14513D;
  --accent:#E0623C;
  --lime:#C9F04B;
  --ink:#14140F;
  --muted:#6B6B60;
  --paper:#F7F4EC;
  --surface:#FFFFFF;
  --line:#DCD6C8;
  --dark:#11110F;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(20,20,15,.06);
  --shadow-2:0 16px 32px -16px rgba(20,20,15,.28);
  --space-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (max-width:640px){.container{padding:0 20px;}}

/* ---------- 排版 ---------- */
.h1{
  font-size:clamp(30px,5vw,56px);
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.02em;
}
.h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.32;
  font-weight:800;
  letter-spacing:-.015em;
}
.h3{font-size:19px;line-height:1.5;font-weight:700;}
.lead{font-size:16px;line-height:1.9;color:var(--muted);max-width:70ch;}
.body-txt{font-size:15.5px;line-height:1.85;color:var(--muted);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,244,236,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s ease-out,border-color .22s ease-out,background .22s ease-out;
}
.site-header.is-scrolled{
  background:rgba(247,244,236,.98);
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px -14px rgba(20,20,15,.4);
}
.nav-wrap{display:flex;align-items:center;gap:28px;min-height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:30px;height:30px;border-radius:8px;
  background:var(--brand);
  position:relative;
  box-shadow:inset 0 0 0 3px rgba(201,240,75,.16);
}
.logo-mark::after{
  content:"";position:absolute;left:7px;bottom:7px;
  width:16px;height:2px;background:var(--lime);border-radius:2px;
}
.logo-text{font-weight:800;font-size:16.5px;letter-spacing:-.01em;color:var(--brand);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:auto;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:#2A2A22;
  padding:6px 0;transition:color .18s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
  width:0;height:2px;background:var(--lime);border-radius:2px;
  transition:width .2s ease-out;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after,.nav-link.is-active::after{width:12px;}
.nav-link.is-active{font-weight:700;color:var(--brand);}
.nav-cta{flex-shrink:0;}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
  border:1.5px solid transparent;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-1px);}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent;}
.btn-ghost:hover{background:var(--brand);color:#F7F4EC;}
.btn-light{background:#F7F4EC;color:var(--brand);}
.btn-light:hover{background:var(--lime);color:var(--brand);}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand);font-size:15px;}
.btn-link i{transition:transform .18s ease-out;font-style:normal;}
.btn-link:hover i{transform:translateX(6px);}
.btn-block{width:100%;}

/* ---------- 徽章 / 芯片 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  background:#EFEBDE;border:1px solid var(--line);
  font-size:12.5px;font-weight:500;color:#3A3A30;white-space:nowrap;
}
.chip-solid{background:var(--brand);border-color:var(--brand);color:#F7F4EC;}
.chip-lime{background:rgba(201,240,75,.24);border-color:rgba(14,59,46,.18);color:var(--brand);font-weight:700;}
.medal{
  width:32px;height:32px;border-radius:50%;
  background:var(--brand);color:#F7F4EC;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;flex-shrink:0;
}
.medal-accent{background:var(--accent);}

/* ---------- 板块 ---------- */
.section{padding:var(--space-section) 0;position:relative;}
.section--tight{padding:64px 0;}
.section--paper{background:var(--paper);}
.section--surface{background:#FBF9F3;}
.section--dark{background:var(--dark);color:#F2EFE7;}
.section--brand{background:var(--brand);color:#F2EFE7;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:44px;}
.section-head .h2{max-width:24ch;}
.section-head .lead{margin-top:12px;}
@media (max-width:900px){:root{--space-section:56px;}.section{padding:56px 0;}}
@media (max-width:640px){:root{--space-section:56px;}}

.stripe-bar{
  height:10px;
  background-image:repeating-linear-gradient(5deg,rgba(14,59,46,.09) 0 6px,transparent 6px 14px);
}

/* ---------- 卡片 ---------- */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#C9C2B1;}
.card-body{padding:24px;}
.img-frame{
  position:relative;overflow:hidden;border-radius:12px;
  background-image:repeating-linear-gradient(5deg,#EDE7D9 0 8px,#E6DFCE 8px 16px);
  background-color:#EDE7D9;
}
.img-frame img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.card:hover .img-frame img,.scene-card:hover .img-frame img{transform:scale(1.03);}
.ratio-16x9{aspect-ratio:16/9;}
.ratio-3x2{aspect-ratio:3/2;}
.ratio-4x3{aspect-ratio:4/3;}
.ratio-1x1{aspect-ratio:1/1;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FBF9F3 0%,var(--paper) 62%,#F2EEE2 100%);
  padding:64px 0 72px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(5deg,rgba(14,59,46,.05) 0 8px,transparent 8px 20px);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;}
.hero-head{max-width:840px;margin:0 auto;text-align:center;}
.hero-head .h1{margin-top:16px;}
.hero-head .lead{margin:20px auto 0;max-width:72ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:22px;}
.hero-stage{
  display:grid;gap:26px;align-items:center;margin-top:52px;
  grid-template-columns:1fr 1.5fr 1fr;
}
.stage-frame{
  position:relative;border-radius:18px;overflow:hidden;
  border:1px solid var(--line);box-shadow:0 30px 60px -40px rgba(20,20,15,.6);
  background:var(--surface);
}
.stage-frame .ratio-1x1{aspect-ratio:1/1;}
.stage-tag{
  position:absolute;left:16px;top:16px;z-index:3;
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.94);border:1px solid var(--line);
  border-radius:999px;padding:5px 12px;font-size:12.5px;font-weight:600;color:var(--brand);
}
.stage-badge{
  position:absolute;right:16px;top:16px;z-index:3;
  display:flex;align-items:center;gap:8px;
  background:var(--brand);color:#F7F4EC;border-radius:999px;
  padding:6px 12px 6px 6px;font-size:12px;font-weight:600;
}
.stage-badge b{font-size:14px;color:var(--lime);}
.value-list{display:flex;flex-direction:column;gap:16px;}
.value-item{
  background:rgba(255,255,255,.8);
  border:1px solid var(--line);border-radius:12px;
  padding:16px 18px;box-shadow:var(--shadow-1);
}
.value-item h3{font-size:15px;font-weight:700;color:var(--brand);margin-bottom:4px;}
.value-item p{font-size:13.5px;line-height:1.7;color:var(--muted);}
.hero-thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px;}
.hero-thumbs .img-frame{border-radius:10px;}
@media (max-width:1023px){
  .hero-stage{grid-template-columns:1fr;}
  .value-list{flex-direction:row;flex-wrap:wrap;}
  .value-item{flex:1 1 220px;}
}

/* ---------- 数据看板 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 22px;box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.stat-label{font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.02em;}
.score{
  display:block;margin:8px 0 2px;
  font-size:clamp(36px,4.4vw,60px);line-height:1.05;font-weight:800;
  letter-spacing:-.03em;color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.score small{font-size:15px;font-weight:700;color:var(--accent);margin-left:4px;letter-spacing:0;}
.stat-note{font-size:13px;color:var(--muted);margin-top:10px;}
.bar{height:3px;background:rgba(20,20,15,.09);border-radius:2px;overflow:hidden;margin-top:14px;}
.bar>span{display:block;height:100%;width:0;background:var(--lime);transition:width .9s ease-out;}
@media (max-width:900px){.stat-grid{grid-template-columns:repeat(2,1fr);}}

/* ---------- 服务矩阵 ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;}
.svc-big{grid-column:span 3;padding:0;overflow:hidden;}
.svc-big .card-body{padding:26px;}
.svc-big .img-frame{border-radius:0;aspect-ratio:16/9;}
.svc-small{grid-column:span 3;padding:22px;}
.svc-small h3{font-size:16.5px;margin-bottom:6px;color:var(--brand);}
.svc-small p{font-size:14px;line-height:1.75;color:var(--muted);}
.icon-sq{
  width:38px;height:38px;border-radius:10px;
  background:#EFEBDE;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;color:var(--brand);font-size:14px;margin-bottom:14px;
}
.point-list{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.point-list li{position:relative;padding-left:18px;font-size:14px;line-height:1.7;color:#3B3B31;}
.point-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:2px;background:var(--accent);
}
@media (max-width:900px){
  .svc-grid{grid-template-columns:repeat(2,1fr);}
  .svc-big{grid-column:span 2;}
  .svc-small{grid-column:span 1;}
}
@media (max-width:560px){
  .svc-grid{grid-template-columns:1fr;}
  .svc-big,.svc-small{grid-column:span 1;}
}

/* ---------- 对比 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);}
.compare-col{padding:32px 30px;}
.compare-left{background:#EFEBE0;color:#4A4A3E;}
.compare-right{background:var(--brand);color:#F2EFE7;}
.compare-col h3{font-size:18px;font-weight:800;margin-bottom:20px;letter-spacing:-.01em;}
.compare-right h3{color:#F7F4EC;}
.compare-row{
  display:flex;justify-content:space-between;gap:14px;
  padding:14px 0;font-size:14.5px;
  border-top:1px solid rgba(20,20,15,.1);
}
.compare-right .compare-row{border-top:1px solid rgba(247,244,236,.16);}
.compare-row span:last-child{font-weight:700;white-space:nowrap;}
.compare-right .compare-row span:last-child{color:var(--lime);}
.compare-note{font-size:12.5px;color:var(--muted);margin-top:16px;}
@media (max-width:820px){.compare{grid-template-columns:1fr;}}

/* ---------- 时间轴 ---------- */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;position:relative;}
.timeline::before{
  content:"";position:absolute;left:0;right:0;top:16px;height:2px;
  background-image:repeating-linear-gradient(90deg,rgba(20,20,15,.18) 0 8px,transparent 8px 16px);
}
.tl-item{position:relative;padding-top:52px;}
.tl-item .medal{position:absolute;left:0;top:0;background:var(--surface);color:var(--brand);border:1px solid var(--line);}
.tl-item .tl-date{font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--accent);}
.tl-item h3{font-size:16px;margin:6px 0 6px;}
.tl-item p{font-size:13.5px;line-height:1.7;color:var(--muted);}
@media (max-width:900px){
  .timeline{grid-template-columns:1fr;gap:0;}
  .timeline::before{left:15px;right:auto;top:0;bottom:0;width:2px;height:auto;
    background-image:repeating-linear-gradient(180deg,rgba(20,20,15,.18) 0 8px,transparent 8px 16px);}
  .tl-item{padding:0 0 26px 52px;}
  .tl-item .medal{left:0;top:0;}
}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.scene-card{overflow:hidden;display:flex;flex-direction:column;}
.scene-card .card-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.scene-card h3{font-size:16.5px;color:var(--brand);}
.scene-card p{font-size:13.5px;line-height:1.7;color:var(--muted);flex:1;}
@media (max-width:1000px){.scene-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.scene-grid{grid-template-columns:1fr;}}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step{position:relative;padding-top:8px;}
.step .medal{margin-bottom:14px;background:var(--brand);}
.step h3{font-size:16.5px;margin-bottom:6px;color:var(--brand);}
.step p{font-size:14px;line-height:1.75;color:var(--muted);}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.steps{grid-template-columns:1fr;}}

/* ---------- 保障 ---------- */
.guard-grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:start;}
.guard-list{border-top:1px solid var(--line);}
.guard-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:20px 0;border-bottom:1px dashed #CFC8B7;
}
.guard-item .medal{background:#EFEBDE;color:var(--brand);border:1px solid var(--line);}
.guard-item h3{font-size:16px;margin-bottom:4px;}
.guard-item p{font-size:14px;line-height:1.75;color:var(--muted);}
.guard-visual{
  border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);
  position:relative;background-color:#EDE7D9;
  background-image:repeating-linear-gradient(5deg,rgba(14,59,46,.06) 0 8px,transparent 8px 20px);
}
.guard-visual .ratio-4x3{aspect-ratio:4/3;}
.guard-caption{padding:18px 20px;background:var(--surface);border-top:1px solid var(--line);font-size:13.5px;color:var(--muted);}
@media (max-width:900px){.guard-grid{grid-template-columns:1fr;gap:28px;}}

/* ---------- 多端 ---------- */
.platform-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.platform-card{padding:26px;}
.platform-card h3{font-size:17px;color:var(--brand);margin-bottom:8px;}
.platform-card p{font-size:14px;line-height:1.75;color:var(--muted);}
.platform-meta{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;}
@media (max-width:820px){.platform-grid{grid-template-columns:1fr;}}

/* ---------- 快速解答 ---------- */
.qa-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start;}
.qa-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 24px;box-shadow:var(--shadow-1);margin-bottom:14px;
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.qa-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.qa-item h3{font-size:16px;color:var(--brand);margin-bottom:6px;}
.qa-item p{font-size:14px;line-height:1.8;color:var(--muted);}
.qa-side{background:var(--brand);color:#F2EFE7;border-radius:var(--radius-card);padding:28px 26px;}
.qa-side h3{font-size:17px;margin-bottom:14px;color:#F7F4EC;}
.qa-side li{display:flex;gap:10px;font-size:14px;line-height:1.8;padding:10px 0;border-top:1px solid rgba(247,244,236,.16);color:rgba(247,244,236,.86);}
.qa-side li:first-child{border-top:none;}
.qa-side .dot{width:6px;height:6px;border-radius:50%;background:var(--lime);margin-top:.7em;flex-shrink:0;}
@media (max-width:900px){.qa-grid{grid-template-columns:1fr;}}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);transition:background .18s ease-out;}
.faq-item:hover{background:#FBF8F0;}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;min-height:56px;padding:16px 18px;
  text-align:left;font-size:15.5px;font-weight:600;color:var(--ink);
}
.faq-q .sign{
  width:24px;height:24px;flex-shrink:0;border-radius:50%;
  border:1px solid var(--line);background:var(--surface);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:var(--brand);
  transition:transform .22s ease-out,background .18s ease-out;
}
.faq-item.open .faq-q .sign{transform:rotate(45deg);background:var(--brand);color:#fff;border-color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease-out;}
.faq-a-inner{padding:0 18px 20px;font-size:14.5px;line-height:1.8;color:var(--muted);background:#FBF8F0;}

/* ---------- 评价 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.review-card{padding:24px;}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:40px;height:40px;border-radius:50%;background:var(--brand);color:#F7F4EC;
  display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
}
.review-name{font-weight:700;font-size:14.5px;}
.review-city{font-size:12.5px;color:var(--muted);}
.stars{color:var(--accent);font-size:13px;letter-spacing:2px;margin-bottom:8px;}
.review-card p{font-size:14px;line-height:1.8;color:#3B3B31;}
@media (max-width:900px){.review-grid{grid-template-columns:1fr;}}

/* ---------- 资讯 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{overflow:hidden;display:flex;flex-direction:column;}
.news-card .card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-card h3{font-size:16px;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card p{font-size:13.5px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:4px;font-size:12.5px;color:var(--muted);}
.empty-state{
  grid-column:1/-1;padding:44px 24px;text-align:center;
  background:#FBF8F0;border:1px dashed var(--line);border-radius:var(--radius-card);
  color:var(--muted);font-size:14.5px;
}
.empty-state span{display:block;margin-top:6px;font-size:12.5px;color:#8A8A7C;}
@media (max-width:900px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.news-grid{grid-template-columns:1fr;}}

/* ---------- 表单 ---------- */
.form-wrap{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start;}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:30px;box-shadow:var(--shadow-1);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:#3B3B31;margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;min-height:44px;padding:10px 14px;
  border:1px solid var(--line);border-radius:10px;background:#FDFCF8;
  font-size:14.5px;line-height:1.6;transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.field textarea{min-height:88px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,59,46,.14);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.form-hint{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.7;}
.form-note{font-size:13.5px;color:var(--brand);font-weight:600;margin-top:12px;display:none;}
.form-note.show{display:block;}
@media (max-width:900px){.form-wrap{grid-template-columns:1fr;gap:26px;}}

/* ---------- 城市 ---------- */
.city-wrap{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  background:var(--brand);color:#F2EFE7;border-radius:18px;padding:34px 36px;margin-top:40px;
}
.cta-band h3{font-size:clamp(20px,2.4vw,26px);font-weight:800;letter-spacing:-.01em;}
.cta-band p{font-size:14px;color:rgba(247,244,236,.78);margin-top:8px;max-width:56ch;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(242,239,231,.8);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:48px;}
.footer-brand .logo-text{color:#F7F4EC;}
.footer-brand .logo-mark{background:#F7F4EC;}
.footer-brand .logo-mark::after{background:var(--brand);}
.footer-desc{font-size:13.5px;line-height:1.85;margin-top:16px;color:rgba(242,239,231,.7);max-width:34ch;}
.footer-note{font-size:12.5px;line-height:1.75;margin-top:14px;color:rgba(201,240,75,.72);}
.footer-col h4{font-size:13px;font-weight:700;letter-spacing:.1em;color:#F7F4EC;margin-bottom:16px;text-transform:uppercase;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(242,239,231,.72);transition:color .18s ease-out;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  border-top:1px solid rgba(242,239,231,.14);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:rgba(242,239,231,.55);
}
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:40;
  width:44px;height:44px;border-radius:50%;
  background:var(--brand);color:#F7F4EC;border:1px solid rgba(255,255,255,.14);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px -12px rgba(20,20,15,.6);
  opacity:0;pointer-events:none;transition:opacity .2s ease-out,transform .2s ease-out;
}
.to-top.show{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-2px);background:var(--brand-600);}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:600px){.footer-grid{grid-template-columns:1fr;}}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,20,15,.42);z-index:70;
  opacity:0;pointer-events:none;transition:opacity .22s ease-out;
}
.drawer-mask.show{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,340px);z-index:80;
  background:var(--paper);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .24s ease-out;
  display:flex;flex-direction:column;padding:20px;
}
.drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--surface);font-size:18px;color:var(--brand);}
.drawer a.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 6px;
  font-size:15.5px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer a.drawer-link.is-active{color:var(--brand);}
.drawer .btn{margin-top:20px;}

@media (max-width:1023px){
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --brand:#0E3B2E;
  --brand-600:#14513D;
  --accent:#E0623C;
  --lime:#C9F04B;
  --ink:#14140F;
  --muted:#6B6B60;
  --paper:#F7F4EC;
  --surface:#FFFFFF;
  --line:#DCD6C8;
  --dark:#11110F;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(20,20,15,.06);
  --shadow-2:0 16px 32px -16px rgba(20,20,15,.28);
  --space-section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.lead{font-size:16px;line-height:1.9;color:var(--muted);max-width:70ch;}
.body-txt{font-size:15.5px;line-height:1.85;color:var(--muted);}
.h2{font-size:clamp(24px,3vw,36px);font-weight:800;letter-spacing:-.02em;line-height:1.3;color:var(--ink);}
.h3{font-size:19px;font-weight:700;line-height:1.5;color:var(--ink);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--brand);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block;}
/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(247,244,236,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid transparent;
  transition:box-shadow .22s ease-out,border-color .22s ease-out,background .22s ease-out;
}
.site-header.is-scrolled{background:rgba(247,244,236,.98);border-bottom-color:var(--line);box-shadow:0 6px 20px -14px rgba(20,20,15,.4);}
.nav-wrap{display:flex;align-items:center;gap:28px;min-height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{width:30px;height:30px;border-radius:8px;background:var(--brand);position:relative;box-shadow:inset 0 0 0 3px rgba(201,240,75,.16);}
.logo-mark::after{content:"";position:absolute;left:7px;bottom:7px;width:16px;height:2px;background:var(--lime);border-radius:2px;}
.logo-text{font-weight:800;font-size:16.5px;letter-spacing:-.01em;color:var(--brand);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:auto;}
.nav-link{position:relative;font-size:15px;font-weight:500;color:#2A2A22;padding:6px 0;transition:color .18s ease-out;}
.nav-link::after{content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);width:0;height:2px;background:var(--lime);border-radius:2px;transition:width .2s ease-out;}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after,.nav-link.is-active::after{width:12px;}
.nav-link.is-active{font-weight:700;color:var(--brand);}
.nav-cta{flex-shrink:0;}
.nav-toggle{display:none;margin-left:auto;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:var(--surface);align-items:center;justify-content:center;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;line-height:1.2;
  border:1.5px solid transparent;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-1px);}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent;}
.btn-ghost:hover{background:var(--brand);color:#F7F4EC;}
.btn-light{background:#F7F4EC;color:var(--brand);}
.btn-light:hover{background:var(--lime);color:var(--brand);}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand);font-size:15px;}
.btn-link i{font-style:normal;transition:transform .18s ease-out;}
.btn-link:hover i{transform:translateX(6px);}
/* 徽章 */
.chip{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;background:#EFEBDE;border:1px solid var(--line);font-size:12.5px;font-weight:500;color:#3A3A30;white-space:nowrap;}
.chip-solid{background:var(--brand);border-color:var(--brand);color:#F7F4EC;}
.chip-lime{background:rgba(201,240,75,.24);border-color:rgba(14,59,46,.18);color:var(--brand);font-weight:700;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
/* 板块 */
.section{padding:var(--space-section) 0;position:relative;}
.section--surface{background:#FBF9F3;}
.section--dark{background:var(--dark);color:#F2EFE7;}
.section--dark .h2,.section--dark .h3{color:#F7F4EC;}
.section--dark .lead,.section--dark .body-txt{color:rgba(242,239,231,.72);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:40px;}
.section-head .lead{margin-top:10px;max-width:56ch;}
.section-head .h2{max-width:26ch;}
.rule-track{height:2px;background:rgba(20,20,15,.08);border-radius:2px;overflow:hidden;}
.rule-track span{display:block;height:100%;background:var(--lime);border-radius:2px;}
/* 卡片 */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#C9C2B1;}
.card-body{padding:24px;}
.img-frame{position:relative;overflow:hidden;border-radius:12px;background-color:#EDE7D9;background-image:repeating-linear-gradient(5deg,#EDE7D9 0 8px,#E6DFCE 8px 16px);}
.img-frame img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.card:hover .img-frame img{transform:scale(1.03);}
/* 分类页头 */
.cat-head{
  position:relative;overflow:hidden;padding:56px 0 64px;
  background:linear-gradient(180deg,#FBF9F3 0%,var(--paper) 70%,#F1ECE0 100%);
  border-bottom:1px solid var(--line);
}
.cat-head::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(5deg,rgba(14,59,46,.05) 0 8px,transparent 8px 20px);
}
.cat-head-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .95fr;gap:44px;align-items:center;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px;flex-wrap:wrap;}
.crumb a:hover{color:var(--brand);}
.crumb span.sep{color:#BEB7A5;}
.cat-head h1{font-size:clamp(28px,4.4vw,46px);font-weight:800;letter-spacing:-.02em;line-height:1.24;margin:12px 0 16px;max-width:20ch;}
.cat-head h1 em{font-style:normal;color:var(--brand);background:linear-gradient(transparent 62%,rgba(201,240,75,.55) 62%);}
.cat-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.cat-stats{display:grid;gap:14px;}
.stat-mini{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:18px 20px;box-shadow:var(--shadow-1);}
.stat-mini .num{font-size:34px;font-weight:800;letter-spacing:-.03em;color:var(--brand);line-height:1.1;font-variant-numeric:tabular-nums;}
.stat-mini .num small{font-size:14px;font-weight:700;margin-left:4px;color:var(--accent);}
.stat-mini p{font-size:13.5px;color:var(--muted);margin-top:4px;}
.stat-mini .rule-track{margin-top:12px;}
/* 功能卡片墙 */
.feat-wall{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.feat-card{display:flex;flex-direction:column;overflow:hidden;}
.feat-card .img-frame{height:200px;border-radius:12px 12px 0 0;}
.feat-card--wide{padding-bottom:4px;}
.feat-card .card-body{flex:1;display:flex;flex-direction:column;gap:10px;}
.feat-title{display:flex;align-items:center;gap:10px;}
.dot-index{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:999px;background:var(--brand);color:var(--lime);font-size:13px;font-weight:800;flex-shrink:0;}
.feat-list{display:grid;gap:6px;margin-top:2px;}
.feat-list li{position:relative;padding-left:16px;font-size:14px;color:var(--muted);line-height:1.75;}
.feat-list li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;background:var(--accent);border-radius:2px;}
.feat-card--small .card-body{padding:20px;gap:8px;}
.feat-card--small .feat-title .h3{font-size:17px;}
/* 匹配机制分栏 */
.match-split{display:grid;grid-template-columns:5fr 7fr;gap:42px;align-items:center;}
.check-list{display:grid;gap:14px;margin-top:22px;}
.check-list li{display:flex;gap:12px;font-size:15px;color:#33332A;line-height:1.75;}
.check-list .tick{flex-shrink:0;width:22px;height:22px;border-radius:6px;background:rgba(14,59,46,.08);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;margin-top:3px;}
.match-figure{position:relative;}
.match-figure .img-frame{aspect-ratio:7/5;box-shadow:var(--shadow-2);}
.badge-float{
  position:absolute;left:-14px;bottom:-14px;background:var(--dark);color:#F7F4EC;
  border-radius:12px;padding:14px 18px;box-shadow:var(--shadow-2);
}
.badge-float b{display:block;font-size:22px;letter-spacing:-.02em;color:var(--lime);line-height:1.2;}
.badge-float span{font-size:12.5px;color:rgba(247,244,236,.7);}
/* 参数卡 */
.param-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.param-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out;}
.param-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.param-card .label{font-size:13px;color:var(--muted);font-weight:500;}
.param-card .value{font-size:26px;font-weight:800;letter-spacing:-.02em;color:var(--brand);margin:6px 0 4px;font-variant-numeric:tabular-nums;}
.param-card p{font-size:13.5px;color:var(--muted);line-height:1.7;}
/* 步骤条 */
.step-rail{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:step;}
.step-item{position:relative;padding:24px 20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);}
.step-item::after{content:"";position:absolute;top:36px;right:-11px;width:22px;height:1px;background:var(--line);}
.step-item:last-child::after{display:none;}
.step-item .idx{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:999px;background:rgba(224,98,60,.12);color:var(--accent);font-weight:800;font-size:14px;margin-bottom:12px;}
.step-item h3{font-size:16.5px;font-weight:700;margin-bottom:6px;}
.step-item p{font-size:14px;color:var(--muted);line-height:1.75;}
/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.news-card{display:flex;flex-direction:column;overflow:hidden;height:100%;}
.news-card .img-frame{height:170px;border-radius:12px 12px 0 0;}
.news-card .card-body{display:flex;flex-direction:column;gap:10px;flex:1;}
.news-card h3{font-size:16.5px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card p{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);font-size:12.5px;color:var(--muted);}
.empty-state{padding:36px 24px;border:1px dashed var(--line);border-radius:var(--radius-card);background:#FBF9F3;color:var(--muted);font-size:14.5px;text-align:center;}
/* FAQ */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-1);transition:background .2s ease-out,border-color .2s ease-out;}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 20px;font-size:16px;font-weight:700;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{flex-shrink:0;width:24px;height:24px;border-radius:999px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--brand);font-weight:800;font-size:15px;transition:transform .22s ease-out,background .2s ease-out;}
.faq-item[open] summary .plus{transform:rotate(45deg);background:rgba(201,240,75,.35);}
.faq-item[open]{background:#FBF9F3;border-color:#C9C2B1;}
.faq-answer{padding:0 20px 18px;font-size:15px;line-height:1.8;color:var(--muted);}
/* 频道矩阵 */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.channel-card{display:flex;flex-direction:column;gap:8px;padding:26px 24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;}
.channel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand);}
.channel-card .k{font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--accent);}
.channel-card h3{font-size:19px;font-weight:800;color:var(--brand);}
.channel-card p{font-size:14px;color:var(--muted);line-height:1.75;}
.channel-card .go{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand);margin-top:6px;}
/* CTA 条带 */
.cta-band{background:var(--brand);color:#F2EFE7;border-radius:18px;padding:40px;display:grid;grid-template-columns:1.4fr .9fr;gap:32px;align-items:center;box-shadow:var(--shadow-2);}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.02em;line-height:1.35;color:#F7F4EC;}
.cta-band p{color:rgba(242,239,231,.75);font-size:15px;line-height:1.8;margin-top:10px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
.cta-actions .btn-primary{background:var(--accent);color:#fff;}
.cta-actions .btn-primary:hover{background:#F7F4EC;color:var(--brand);}
.cta-actions .hint{font-size:12.5px;color:rgba(242,239,231,.6);text-align:center;}
/* 页脚 */
.site-footer{background:var(--dark);color:rgba(247,244,236,.85);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(247,244,236,.12);}
.footer-brand .logo-text{color:#F7F4EC;}
.footer-brand .logo-mark{background:#F7F4EC;}
.footer-brand .logo-mark::after{background:var(--brand);}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(247,244,236,.72);margin-top:16px;max-width:34ch;}
.footer-note{font-size:12.5px;line-height:1.8;color:rgba(247,244,236,.5);margin-top:12px;max-width:34ch;}
.footer-col h4{font-size:14px;font-weight:700;color:#F7F4EC;margin-bottom:14px;letter-spacing:.04em;}
.footer-col ul{display:grid;gap:9px;}
.footer-col a{font-size:13.8px;color:rgba(247,244,236,.72);transition:color .18s ease-out;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;padding-top:22px;font-size:12.5px;color:rgba(247,244,236,.5);}
/* 响应式 */
@media (max-width:1024px){
  :root{--space-section:64px;}
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:280px;
    background:var(--paper);border-left:1px solid var(--line);
    flex-direction:column;align-items:flex-start;gap:0;
    padding:88px 24px 32px;transform:translateX(100%);
    transition:transform .25s ease-out;box-shadow:-18px 0 40px -24px rgba(20,20,15,.35);
    z-index:60;margin-left:0;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-links .nav-link{width:100%;min-height:48px;display:flex;align-items:center;font-size:16px;border-bottom:1px solid rgba(220,214,200,.7);}
  .nav-links .nav-link::after{display:none;}
  .nav-toggle{display:flex;z-index:70;}
  .nav-cta{display:none;}
  .cat-head-inner{grid-template-columns:1fr;gap:28px;}
  .cat-stats{grid-template-columns:repeat(3,minmax(0,1fr));}
  .match-split{grid-template-columns:1fr;gap:28px;}
  .param-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step-rail{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step-item::after{display:none;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{grid-template-columns:1fr;padding:32px;}
}
@media (max-width:768px){
  .feat-wall{grid-template-columns:1fr;}
  .cat-stats{grid-template-columns:1fr;gap:12px;}
  .channel-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  .cat-head{padding:40px 0 48px;}
  .param-grid{grid-template-columns:1fr;}
  .step-rail{grid-template-columns:1fr;}
  .badge-float{left:0;bottom:-10px;padding:12px 14px;}
  .section{padding:52px 0;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --brand:#0E3B2E;
  --brand-600:#14513D;
  --accent:#E0623C;
  --lime:#C9F04B;
  --ink:#14140F;
  --muted:#6B6B60;
  --paper:#F7F4EC;
  --surface:#FFFFFF;
  --line:#DCD6C8;
  --dark:#11110F;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(20,20,15,.06);
  --shadow-2:0 16px 32px -16px rgba(20,20,15,.28);
  --space-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.lead{font-size:16px;line-height:1.9;color:var(--muted);max-width:70ch;}
.body-txt{font-size:15.5px;line-height:1.85;color:var(--muted);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,244,236,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s ease-out,border-color .22s ease-out,background .22s ease-out;
}
.site-header.is-scrolled{
  background:rgba(247,244,236,.98);
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px -14px rgba(20,20,15,.4);
}
.nav-wrap{display:flex;align-items:center;gap:28px;min-height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:30px;height:30px;border-radius:8px;
  background:var(--brand);position:relative;
  box-shadow:inset 0 0 0 3px rgba(201,240,75,.16);
}
.logo-mark::after{
  content:"";position:absolute;left:7px;bottom:7px;
  width:16px;height:2px;background:var(--lime);border-radius:2px;
}
.logo-text{font-weight:800;font-size:16.5px;letter-spacing:-.01em;color:var(--brand);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:auto;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:#2A2A22;
  padding:6px 0;transition:color .18s ease-out;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
  width:0;height:2px;background:var(--lime);border-radius:2px;
  transition:width .2s ease-out;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after,.nav-link.is-active::after{width:12px;}
.nav-link.is-active{font-weight:700;color:var(--brand);}
.nav-cta{flex-shrink:0;}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;
  transition:background .18s ease-out;
}
.nav-toggle:hover{background:#EFEBDE;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);position:relative;transition:background .18s ease-out;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand);
  transition:transform .2s ease-out;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
  border:1.5px solid transparent;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-1px);}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent;}
.btn-ghost:hover{background:var(--brand);color:#F7F4EC;}
.btn-light{background:#F7F4EC;color:var(--brand);}
.btn-light:hover{background:var(--lime);color:var(--brand);}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand);font-size:15px;}
.btn-link i{transition:transform .18s ease-out;font-style:normal;}
.btn-link:hover i{transform:translateX(6px);}
.btn-block{width:100%;}

/* ---------- 徽章 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  background:#EFEBDE;border:1px solid var(--line);
  font-size:12.5px;font-weight:500;color:#3A3A30;white-space:nowrap;
}
.chip-solid{background:var(--brand);border-color:var(--brand);color:#F7F4EC;}
.chip-lime{background:rgba(201,240,75,.24);border-color:rgba(14,59,46,.18);color:var(--brand);font-weight:700;}

/* ---------- 板块 ---------- */
.section{padding:var(--space-section) 0;position:relative;}
.section--tight{padding:64px 0;}
.section--paper{background:var(--paper);}
.section--surface{background:#FBF9F3;}
.section--dark{background:var(--dark);color:#F2EFE7;}
.section--brand{background:var(--brand);color:#F2EFE7;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:44px;}
.section-head .h2{max-width:26ch;}
.section-head .lead{margin-top:12px;}
.h2{
  font-size:clamp(24px,3vw,36px);font-weight:800;
  letter-spacing:-.02em;line-height:1.3;margin:0;color:var(--brand);
}
.section--dark .h2,.section--brand .h2{color:#F7F4EC;}

/* ---------- 卡片 ---------- */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#C9C2B1;}
.card-body{padding:24px;}
.img-frame{
  position:relative;overflow:hidden;border-radius:12px;
  background-image:repeating-linear-gradient(5deg,#EDE7D9 0 8px,#E6DFCE 8px 16px);
  background-color:#EDE7D9;
}
.img-frame img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.card:hover .img-frame img{transform:scale(1.03);}

/* ---------- 文章页首 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FBF9F3 0%,var(--paper) 68%,#F2EEE2 100%);
  padding:36px 0 52px;
  border-bottom:1px solid var(--line);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(5deg,rgba(14,59,46,.05) 0 8px,transparent 8px 20px);
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:26px;
}
.breadcrumb a{color:#3A3A30;transition:color .18s ease-out;}
.breadcrumb a:hover{color:var(--brand);}
.crumb-sep{color:#B6AF9D;}
.crumb-current{color:var(--muted);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head{max-width:840px;}
.post-title{
  font-size:clamp(28px,4.4vw,48px);
  font-weight:800;letter-spacing:-.02em;line-height:1.28;
  margin:16px 0 14px;color:var(--ink);
}
.post-sub{font-size:16px;line-height:1.85;color:var(--muted);max-width:64ch;margin-bottom:22px;}
.meta-bar{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  font-size:13.5px;color:var(--muted);
  padding-top:18px;border-top:1px dashed #CDC6B4;
}
.meta-label{color:#8C8778;margin-right:6px;}
.meta-item{display:inline-flex;align-items:center;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C4BDAB;display:inline-block;}

/* ---------- 文章布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 326px;gap:56px;align-items:start;}
.prose{
  max-width:72ch;font-size:16.5px;line-height:1.9;color:#2A2A22;
}
.prose > *:first-child{margin-top:0;}
.prose p{margin:0 0 20px;color:#2A2A22;}
.prose h2{
  position:relative;padding-left:18px;
  font-size:clamp(21px,2.4vw,27px);font-weight:800;line-height:1.4;
  letter-spacing:-.01em;color:var(--brand);
  margin:44px 0 18px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.34em;
  width:4px;height:1.05em;background:var(--lime);border-radius:2px;
}
.prose h3{font-size:19px;font-weight:700;line-height:1.5;color:#1D2A21;margin:32px 0 14px;}
.prose h4{font-size:17px;font-weight:700;margin:26px 0 12px;color:#1D2A21;}
.prose ul,.prose ol{margin:0 0 22px;padding-left:0;}
.prose ul li{position:relative;padding-left:18px;margin-bottom:10px;}
.prose ul li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:6px;height:6px;border-radius:1px;background:var(--brand);
}
.prose ol{list-style:decimal;padding-left:22px;}
.prose ol li{margin-bottom:10px;padding-left:4px;}
.prose ol li::marker{color:var(--brand);font-weight:700;}
.prose blockquote{
  margin:28px 0;padding:20px 24px;
  background:#FBF9F3;border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;color:#4A4A3E;font-size:15.5px;
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{border-radius:12px;margin:28px 0;width:100%;height:auto;}
.prose figure{margin:28px 0;}
.prose figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.prose a{color:var(--brand);font-weight:600;border-bottom:1px solid rgba(14,59,46,.28);transition:border-color .18s ease-out,color .18s ease-out;}
.prose a:hover{border-bottom-color:var(--brand);color:var(--brand-600);}
.prose strong{font-weight:700;color:#16221B;}
.prose table{width:100%;border-collapse:collapse;margin:26px 0;font-size:14.5px;}
.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top;}
.prose th{background:#F2EEE2;font-weight:700;color:var(--brand);}
.prose hr{border:none;border-top:1px dashed #CDC6B4;margin:34px 0;}
.prose code{background:#F2EEE2;border-radius:6px;padding:2px 6px;font-size:14px;}

/* ---------- 侧栏 ---------- */
.sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:18px;font-weight:800;color:var(--brand);margin:14px 0 10px;line-height:1.45;}
.side-card h4{font-size:15px;font-weight:700;color:#1D2A21;margin:0 0 14px;}
.side-card p{font-size:14px;line-height:1.85;color:var(--muted);margin-bottom:18px;}
.side-card--brand{background:linear-gradient(160deg,#0E3B2E 0%,#14513D 100%);border-color:#14513D;color:#F2EFE7;}
.side-card--brand h3{color:#F7F4EC;}
.side-card--brand p{color:rgba(247,244,236,.78);}
.side-list li{
  position:relative;padding-left:16px;margin-bottom:10px;
  font-size:14px;line-height:1.75;color:var(--muted);
}
.side-list li::before{
  content:"";position:absolute;left:0;top:.68em;
  width:5px;height:5px;border-radius:50%;background:var(--accent);
}

/* ---------- 提示卡 ---------- */
.tip-card{
  display:flex;gap:22px;align-items:flex-start;
  background:#FBF9F3;border:1px solid var(--line);border-left:4px solid var(--accent);
  border-radius:var(--radius-card);padding:28px 30px;
  box-shadow:var(--shadow-1);
}
.tip-badge{
  flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:50%;
  background:var(--brand);color:var(--lime);
  font-size:13px;font-weight:800;letter-spacing:.02em;
}
.tip-card h3{font-size:18px;font-weight:800;color:var(--brand);margin:0 0 10px;}
.tip-card p{font-size:15px;line-height:1.85;color:var(--muted);}
.tip-card ul{margin-top:12px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 24px;}
.tip-card ul li{position:relative;padding-left:16px;font-size:14.5px;color:#3A3A30;line-height:1.75;}
.tip-card ul li::before{content:"";position:absolute;left:0;top:.7em;width:6px;height:6px;border-radius:1px;background:var(--accent);}

/* ---------- 相关推荐 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{display:flex;flex-direction:column;overflow:hidden;}
.post-card .img-frame{aspect-ratio:16/9;border-radius:12px 12px 0 0;}
.post-card .card-body{display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card h3{
  font-size:17px;font-weight:700;line-height:1.5;color:var(--ink);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .excerpt{
  font-size:14px;line-height:1.8;color:var(--muted);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:#8C8778;}
.post-card .btn-link{margin-top:auto;font-size:14px;}

/* ---------- 翻页 ---------- */
.pager-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;}
.pager-link{
  display:flex;flex-direction:column;gap:6px;
  padding:18px 22px;min-width:220px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.pager-link:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#C9C2B1;}
.pager-link span{font-size:12.5px;color:#8C8778;letter-spacing:.04em;}
.pager-link strong{font-size:15px;font-weight:700;color:var(--brand);line-height:1.5;}

/* ---------- 标签 & 结尾 CTA ---------- */
.end-cta{
  display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center;
  padding:56px 0;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag-row .chip{background:rgba(247,244,236,.08);border-color:rgba(247,244,236,.2);color:rgba(247,244,236,.8);}
.end-cta h2{font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.02em;line-height:1.35;color:#F7F4EC;margin:0 0 14px;}
.end-cta p{font-size:15.5px;line-height:1.85;color:rgba(247,244,236,.72);max-width:48ch;}
.end-cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
.end-cta-note{font-size:12.5px;color:rgba(247,244,236,.5);line-height:1.7;}

/* ---------- 空状态 ---------- */
.empty-state{
  border:1px dashed #C9C2B1;background:#FBF9F3;
  border-radius:var(--radius-card);padding:48px 24px;text-align:center;
}
.empty-state h3{font-size:18px;font-weight:700;color:var(--brand);margin:0 0 10px;}
.empty-state p{font-size:14.5px;color:var(--muted);margin-bottom:18px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(247,244,236,.86);padding:72px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(247,244,236,.14);
}
.footer-brand .logo-text{color:#F7F4EC;}
.footer-desc{font-size:14.5px;line-height:1.9;color:rgba(247,244,236,.7);margin:18px 0 12px;max-width:36ch;}
.footer-note{font-size:13px;color:rgba(247,244,236,.5);line-height:1.8;max-width:38ch;}
.footer-col h4{font-size:14px;font-weight:700;color:#F7F4EC;letter-spacing:.04em;margin:0 0 16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(247,244,236,.72);transition:color .18s ease-out;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:22px 0 28px;font-size:13px;color:rgba(247,244,236,.5);line-height:1.7;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:40px;}
}
@media (max-width:1023px){
  :root{--space-section:64px;}
  .container{padding:0 20px;}
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:min(86vw,340px);
    background:var(--paper);border-left:1px solid var(--line);
    flex-direction:column;align-items:flex-start;gap:0;
    padding:88px 24px 32px;margin:0;
    transform:translateX(100%);transition:transform .24s ease-out;
    box-shadow:-16px 0 40px -24px rgba(20,20,15,.45);
    z-index:60;overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-link{width:100%;height:48px;display:flex;align-items:center;font-size:16px;}
  .nav-link::after{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta{padding:10px 16px;font-size:13.5px;margin-left:auto;}
  .nav-wrap{gap:14px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap;}
  .side-card{flex:1 1 260px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .end-cta{grid-template-columns:1fr;gap:28px;padding:48px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--space-section:56px;}
  .logo-text{font-size:15px;}
  .post-title{margin-top:12px;}
  .article-hero{padding:24px 0 40px;}
  .crumb-current{max-width:38ch;}
  .tip-card{flex-direction:column;gap:16px;padding:24px 20px;}
  .tip-card ul{grid-template-columns:1fr;}
  .prose{font-size:16px;}
  .related-grid{grid-template-columns:1fr;}
  .pager-link{min-width:0;width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .nav-cta{display:none;}
  .meta-bar{font-size:12.5px;gap:8px;}
  .meta-dot{display:none;}
  .meta-item{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .card:hover,.pager-link:hover,.btn:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --brand:#0E3B2E;
  --brand-600:#14513D;
  --accent:#E0623C;
  --lime:#C9F04B;
  --ink:#14140F;
  --muted:#6B6B60;
  --paper:#F7F4EC;
  --surface:#FFFFFF;
  --line:#DCD6C8;
  --dark:#11110F;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(20,20,15,.06);
  --shadow-2:0 16px 32px -16px rgba(20,20,15,.28);
  --space-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.lead{font-size:16px;line-height:1.9;color:var(--muted);max-width:70ch;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,236,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s ease-out,border-color .22s ease-out,background .22s ease-out;
}
.site-header.is-scrolled{
  background:rgba(247,244,236,.99);
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px -14px rgba(20,20,15,.4);
}
.nav-wrap{display:flex;align-items:center;gap:28px;min-height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:30px;height:30px;border-radius:8px;background:var(--brand);
  position:relative;box-shadow:inset 0 0 0 3px rgba(201,240,75,.16);flex-shrink:0;
}
.logo-mark::after{
  content:"";position:absolute;left:7px;bottom:7px;
  width:16px;height:2px;background:var(--lime);border-radius:2px;
}
.logo-text{font-weight:800;font-size:16.5px;letter-spacing:-.01em;color:var(--brand);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:auto;}
.nav-link{position:relative;font-size:15px;font-weight:500;color:#2A2A22;padding:6px 0;transition:color .18s ease-out;}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
  width:0;height:2px;background:var(--lime);border-radius:2px;transition:width .2s ease-out;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after,.nav-link.is-active::after{width:12px;}
.nav-link.is-active{font-weight:700;color:var(--brand);}
.nav-cta{flex-shrink:0;}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:var(--surface);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.nav-drawer{
  position:fixed;top:0;right:0;width:min(84vw,340px);height:100%;
  background:var(--paper);z-index:90;transform:translateX(105%);
  transition:transform .26s ease-out;padding:20px 20px 28px;
  display:flex;flex-direction:column;overflow-y:auto;box-shadow:-20px 0 40px -24px rgba(20,20,15,.5);
}
.nav-drawer.open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,20,15,.42);z-index:85;
  opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:10px;}
.drawer-close{width:40px;height:40px;border-radius:10px;font-size:24px;line-height:1;color:var(--brand);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{min-height:48px;display:flex;align-items:center;font-size:15.5px;font-weight:500;border-bottom:1px solid var(--line);}
.drawer-nav a.is-active{color:var(--brand);font-weight:700;}
.nav-drawer .btn{margin-top:20px;}
html body.no-scroll{overflow:hidden;}

/* ---------- 按钮 / 芯片 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;border:1.5px solid transparent;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.btn:active{transform:translateY(1px);}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-1px);}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent;}
.btn-ghost:hover{background:var(--brand);color:#F7F4EC;}
.btn-light{background:#F7F4EC;color:var(--brand);}
.btn-light:hover{background:var(--lime);color:var(--brand);}
.btn-block{width:100%;}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  background:#EFEBDE;border:1px solid var(--line);font-size:12.5px;font-weight:500;color:#3A3A30;white-space:nowrap;
}
.chip-solid{background:var(--brand);border-color:var(--brand);color:#F7F4EC;}
.chip-lime{background:rgba(201,240,75,.24);border-color:rgba(14,59,46,.18);color:var(--brand);font-weight:700;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--space-section) 0;position:relative;}
.section--paper{background:var(--paper);}
.section--surface{background:#FBF9F3;}
.section--dark{background:var(--dark);color:#F2EFE7;}
.section--brand{background:var(--brand);color:#F2EFE7;}
.section-head{max-width:780px;margin-bottom:42px;}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.015em;line-height:1.35;margin-top:14px;}
.section-head .lead{margin-top:14px;}
.section--dark .eyebrow,.section--brand .eyebrow{color:var(--lime);}
.section--dark .lead,.section--brand .lead{color:rgba(242,239,231,.72);}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#C9C2B1;}
.img-frame{
  position:relative;overflow:hidden;border-radius:12px;
  background-image:repeating-linear-gradient(5deg,#EDE7D9 0 8px,#E6DFCE 8px 16px);
  background-color:#EDE7D9;
}
.img-frame img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}

/* ---------- 分类页头 ---------- */
.page-head{
  position:relative;overflow:hidden;padding:56px 0 64px;
  background:linear-gradient(180deg,#FBF9F3 0%,var(--paper) 58%,#F1EDE0 100%);
}
.page-head::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(5deg,rgba(14,59,46,.05) 0 8px,transparent 8px 20px);
}
.page-head-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.55fr 1fr;gap:44px;align-items:start;
}
.page-head h1{
  font-size:clamp(30px,4.4vw,50px);font-weight:800;letter-spacing:-.02em;
  line-height:1.24;margin:14px 0 18px;color:var(--ink);
}
.page-head .lead{max-width:60ch;}
.city-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:24px 0 26px;}
.city-label{font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--muted);margin-right:2px;}
.page-head-actions{display:flex;flex-wrap:wrap;gap:12px;}
.head-card{padding:26px 26px 24px;}
.head-card-title{
  font-size:16px;font-weight:700;color:var(--brand);
  padding-bottom:14px;border-bottom:1px solid var(--line);
}
.stat-list li{
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
  padding:15px 0;border-bottom:1px dashed var(--line);
}
.stat-list li:last-child{border-bottom:none;}
.stat-num{
  font-size:26px;font-weight:800;letter-spacing:-.02em;color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.stat-label{font-size:13.5px;color:var(--muted);text-align:right;}
.head-card-note{margin-top:14px;font-size:13px;line-height:1.8;color:var(--muted);}

/* ---------- 场景大图分栏 ---------- */
.split-7-5{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.scene-figure{
  border-radius:var(--radius-card);overflow:hidden;position:relative;
  box-shadow:var(--shadow-1);border:1px solid var(--line);
}
.scene-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease-out;}
.scene-figure:hover img{transform:scale(1.03);}
.scene-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:30px 20px 16px;
  font-size:13px;color:#F7F4EC;
  background:linear-gradient(180deg,rgba(17,17,15,0) 0%,rgba(17,17,15,.8) 100%);
}
.scene-points h2{
  font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.015em;
  line-height:1.35;margin:14px 0 0;
}
.check-list{margin-top:22px;display:grid;gap:15px;}
.check-list li{position:relative;padding-left:30px;font-size:15.5px;line-height:1.8;color:#3A3A30;}
.check-list li::before{
  content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;
  background:rgba(14,59,46,.09);border:1px solid rgba(14,59,46,.3);
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:12px;width:6px;height:3px;
  border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(-45deg);
}

/* ---------- 时段表 ---------- */
.slot-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.slot-card{display:flex;gap:20px;align-items:flex-start;padding:24px 26px;}
.slot-card:hover{transform:translateY(-2px);}
.slot-time{
  flex-shrink:0;font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.4;
}
.slot-body h3{font-size:17px;font-weight:700;line-height:1.5;}
.slot-body p{font-size:14px;line-height:1.8;color:var(--muted);margin-top:6px;}
.slot-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}

/* ---------- 茶单套餐 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.plan-card{overflow:hidden;display:flex;flex-direction:column;}
.plan-card .img-frame{border-radius:0;aspect-ratio:3/4;}
.plan-card:hover .img-frame img{transform:scale(1.03);}
.plan-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.plan-body h3{font-size:18px;font-weight:700;line-height:1.5;}
.plan-body p{font-size:14px;line-height:1.8;color:var(--muted);}
.plan-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px;}
.plan-foot{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--brand);font-weight:600;
}

/* ---------- 预约流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{
  position:relative;padding:26px 22px 24px;border-radius:var(--radius-card);
  background:rgba(247,244,236,.06);border:1px solid rgba(247,244,236,.16);
  transition:background .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.step:hover{background:rgba(247,244,236,.1);border-color:rgba(201,240,75,.38);transform:translateY(-2px);}
.step-num{
  width:36px;height:36px;border-radius:50%;background:var(--lime);color:var(--brand);
  font-weight:800;font-size:15px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.step h3{font-size:17px;font-weight:700;line-height:1.5;color:#F7F4EC;}
.step p{font-size:14px;line-height:1.8;color:rgba(242,239,231,.72);margin-top:8px;}

/* ---------- 区域覆盖 ---------- */
.city-grid{display:flex;flex-wrap:wrap;gap:10px;}
.city-grid .chip{height:32px;padding:0 15px;font-size:13px;background:#EFEBDE;}
.city-grid .chip:hover{background:var(--brand);border-color:var(--brand);color:#F7F4EC;}
.city-note{margin-top:22px;font-size:13.5px;color:var(--muted);}

/* ---------- 礼仪与安全 ---------- */
.safety-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.safety-card{padding:28px 28px 30px;}
.safety-card h3{
  font-size:18px;font-weight:700;display:flex;align-items:center;gap:10px;
  padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:16px;
}
.safety-card h3 i{color:var(--accent);font-size:16px;}
.dash-list li{
  position:relative;padding-left:20px;font-size:15px;line-height:1.85;color:#3A3A30;margin-bottom:12px;
}
.dash-list li:last-child{margin-bottom:0;}
.dash-list li::before{
  content:"";position:absolute;left:0;top:12px;width:8px;height:2px;background:var(--accent);border-radius:2px;
}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 6px;text-align:left;font-size:16px;font-weight:600;line-height:1.6;
  transition:background .18s ease-out;
}
.faq-q:hover{background:rgba(14,59,46,.04);}
.faq-q:focus-visible{outline:2px solid var(--lime);outline-offset:-2px;}
.faq-icon{position:relative;width:18px;height:18px;flex-shrink:0;transition:transform .22s ease-out;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px;}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out;}
.faq-a-inner{padding:0 6px 22px;font-size:15px;line-height:1.9;color:var(--muted);max-width:70ch;}
.faq-item.open .faq-a{max-height:420px;}

/* ---------- 预约 CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--dark);color:#F2EFE7;padding:76px 0;}
.cta-band .cta-bg{
  position:absolute;inset:0;
  background:url('/assets/images/8985f0eec68f5705.webp') center/cover no-repeat;
  opacity:.3;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(5deg,rgba(201,240,75,.05) 0 10px,transparent 10px 26px);
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:32px;
}
.cta-inner h2{font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.015em;line-height:1.35;max-width:20ch;}
.cta-inner p{font-size:15.5px;line-height:1.9;color:rgba(242,239,231,.76);margin-top:14px;max-width:52ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(242,239,231,.85);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;}
.site-footer .logo-text{color:#F2EFE7;}
.footer-desc{font-size:14px;line-height:1.9;margin:16px 0 12px;max-width:36ch;color:rgba(242,239,231,.72);}
.footer-note{font-size:12.5px;line-height:1.85;color:rgba(242,239,231,.5);max-width:38ch;}
.footer-col h4{font-size:15px;font-weight:700;color:#F2EFE7;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(242,239,231,.72);transition:color .18s ease-out;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(242,239,231,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;line-height:1.8;color:rgba(242,239,231,.5);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease-out,transform .5s ease-out;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  .card:hover,.step:hover,.slot-card:hover,.btn-primary:hover{transform:none;}
  .scene-figure:hover img,.plan-card:hover .img-frame img{transform:none;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .page-head-grid{grid-template-columns:1fr;gap:32px;}
  .split-7-5{grid-template-columns:1fr;gap:32px;}
  .plan-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--space-section:56px;}
  .nav-cta{display:none;}
  .page-head{padding:40px 0 48px;}
  .slot-grid{grid-template-columns:1fr;}
  .plan-grid{grid-template-columns:1fr;}
  .safety-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .section-head{margin-bottom:32px;}
  .cta-band{padding:56px 0;}
  .slot-card{flex-direction:column;gap:10px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .page-head-actions{flex-direction:column;align-items:stretch;}
  .page-head-actions .btn{width:100%;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .stat-num{font-size:22px;}
  .head-card{padding:22px 20px;}
}

/* roulang page: category3 */
:root{
  --brand:#0E3B2E;
  --brand-600:#14513D;
  --accent:#E0623C;
  --lime:#C9F04B;
  --ink:#14140F;
  --muted:#6B6B60;
  --paper:#F7F4EC;
  --surface:#FFFFFF;
  --line:#DCD6C8;
  --dark:#11110F;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(20,20,15,.06);
  --shadow-2:0 16px 32px -16px rgba(20,20,15,.28);
  --space-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{list-style:none;padding:0;}
::selection{background:rgba(201,240,75,.55);color:var(--brand);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.lead{font-size:16px;line-height:1.9;color:var(--muted);max-width:70ch;}
.body-txt{font-size:15.5px;line-height:1.85;color:var(--muted);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.12em;
  color:var(--brand);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:inline-block;}
.h2{font-size:clamp(24px,3vw,36px);font-weight:800;letter-spacing:-.02em;line-height:1.32;color:var(--ink);}
.h3{font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--ink);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,244,236,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s ease-out,border-color .22s ease-out,background .22s ease-out;
}
.site-header.is-scrolled{
  background:rgba(247,244,236,.98);
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px -14px rgba(20,20,15,.4);
}
.nav-wrap{display:flex;align-items:center;gap:28px;min-height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:30px;height:30px;border-radius:8px;background:var(--brand);
  position:relative;box-shadow:inset 0 0 0 3px rgba(201,240,75,.16);
}
.logo-mark::after{
  content:"";position:absolute;left:7px;bottom:7px;
  width:16px;height:2px;background:var(--lime);border-radius:2px;
}
.logo-text{font-weight:800;font-size:16.5px;letter-spacing:-.01em;color:var(--brand);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:auto;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:#2A2A22;
  padding:6px 0;transition:color .18s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
  width:0;height:2px;background:var(--lime);border-radius:2px;transition:width .2s ease-out;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after,.nav-link.is-active::after{width:12px;}
.nav-link.is-active{font-weight:700;color:var(--brand);}
.nav-cta{flex-shrink:0;}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:var(--surface);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:80;background:rgba(20,20,15,.45);opacity:0;pointer-events:none;transition:opacity .22s ease-out;}
.drawer.is-open{opacity:1;pointer-events:auto;}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(320px,84vw);
  background:var(--paper);padding:20px 20px 28px;overflow-y:auto;
  transform:translateX(100%);transition:transform .24s ease-out;
  box-shadow:-20px 0 40px -24px rgba(20,20,15,.5);
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--surface);font-size:20px;line-height:1;color:var(--brand);}
.drawer-panel .nav-link{
  display:flex;align-items:center;height:48px;font-size:15.5px;
  border-bottom:1px solid var(--line);
}
.drawer-panel .nav-link::after{display:none;}
.drawer-panel .btn{margin-top:20px;width:100%;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;border:1.5px solid transparent;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-1px);}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent;}
.btn-ghost:hover{background:var(--brand);color:#F7F4EC;}
.btn-light{background:#F7F4EC;color:var(--brand);}
.btn-light:hover{background:var(--lime);color:var(--brand);}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand);font-size:15px;}
.btn-link i{font-style:normal;transition:transform .18s ease-out;}
.btn-link:hover i{transform:translateX(6px);}
.btn-block{width:100%;}

/* ---------- 徽章 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:999px;
  background:#EFEBDE;border:1px solid var(--line);
  font-size:12.5px;font-weight:500;color:#3A3A30;white-space:nowrap;
}
.chip-solid{background:var(--brand);border-color:var(--brand);color:#F7F4EC;}
.chip-lime{background:rgba(201,240,75,.26);border-color:rgba(14,59,46,.18);color:var(--brand);font-weight:700;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- 板块 ---------- */
.section{padding:var(--space-section) 0;position:relative;}
.section--surface{background:#FBF9F3;}
.section--paper{background:var(--paper);}
.section--dark{background:var(--dark);color:#F2EFE7;}
.section--dark .h2{color:#F7F4EC;}
.section--dark .lead,.section--dark .body-txt{color:#B9B4A7;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:44px;}
.section-head .h2{max-width:26ch;}
.section-head .lead{margin-top:12px;}
.stripe-divider{
  height:8px;width:100%;
  background-image:repeating-linear-gradient(5deg,rgba(14,59,46,.06) 0 8px,transparent 8px 20px);
}

/* ---------- 卡片 ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#C9C2B1;}
.card-body{padding:24px;}
.img-frame{
  position:relative;overflow:hidden;border-radius:12px;
  background-color:#EDE7D9;
  background-image:repeating-linear-gradient(5deg,#EDE7D9 0 8px,#E4DDCB 8px 16px);
}
.img-frame img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.card:hover .img-frame img{transform:scale(1.03);}

/* ---------- 分类页头 ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FBF9F3 0%,var(--paper) 60%,#F2EEE2 100%);
  padding:56px 0 64px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(5deg,rgba(14,59,46,.05) 0 8px,transparent 8px 22px);
}
.cat-hero-inner{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;}
.crumb a{color:var(--muted);transition:color .18s ease-out;}
.crumb a:hover{color:var(--brand);}
.crumb span{opacity:.55;}
.cat-hero-grid{display:grid;grid-template-columns:1.45fr .85fr;gap:44px;align-items:start;}
.cat-hero h1{
  font-size:clamp(28px,3.8vw,44px);font-weight:800;letter-spacing:-.02em;
  line-height:1.3;color:var(--ink);margin:14px 0 0;
}
.cat-hero h1 em{font-style:normal;color:var(--brand);box-shadow:inset 0 -10px 0 rgba(201,240,75,.5);}
.cat-hero .lead{margin-top:16px;}
.cat-hero .chip-row{margin-top:22px;}
.score-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:6px 0 10px;
}
.score-card-head{
  padding:16px 22px 10px;font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--muted);
}
.score-row{padding:12px 22px 16px;border-bottom:1px dashed rgba(20,20,15,.12);}
.score-row:last-child{border-bottom:none;}
.score-line{display:flex;align-items:baseline;justify-content:space-between;gap:12px;}
.score-num{
  font-size:38px;font-weight:800;color:var(--brand);letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.score-num em{font-style:normal;font-size:14px;font-weight:700;color:var(--accent);margin-left:3px;letter-spacing:0;}
.score-label{font-size:13px;color:var(--muted);text-align:right;}
.progress{height:2px;background:var(--line);border-radius:2px;margin-top:10px;overflow:hidden;}
.progress span{display:block;height:2px;background:var(--lime);border-radius:2px;}
.score-note{padding:8px 22px 4px;font-size:12px;color:var(--muted);line-height:1.7;}

/* ---------- 功能矩阵 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.feature-card{overflow:hidden;}
.feature-card .img-frame{border-radius:12px;aspect-ratio:16/9;}
.feature-card .card-body{padding:26px;}
.feature-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;}
.ft-list{margin-top:14px;}
.ft-list li{
  position:relative;padding-left:18px;font-size:14.5px;line-height:1.8;color:var(--muted);
  margin-bottom:6px;
}
.ft-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;
  background:var(--accent);border-radius:1px;
}

/* ---------- 界面预览 ---------- */
.phone-track{
  display:flex;gap:22px;overflow-x:auto;padding:6px 4px 22px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.phone-item{flex:0 0 268px;scroll-snap-align:start;}
.phone-frame{
  aspect-ratio:9/16;border-radius:20px;overflow:hidden;
  border:1px solid var(--line);background:#EDE7D9;
  background-image:repeating-linear-gradient(5deg,#EDE7D9 0 8px,#E4DDCB 8px 16px);
  box-shadow:var(--shadow-1);
}
.phone-frame img{width:100%;height:100%;object-fit:cover;}
.phone-caption{margin-top:14px;}
.phone-caption h3{font-size:15.5px;font-weight:700;color:var(--ink);}
.phone-caption p{font-size:13.5px;line-height:1.75;color:var(--muted);margin-top:6px;}

/* ---------- 安全清单 ---------- */
.check-list{border-top:1px solid rgba(247,244,236,.16);}
.check-item{
  display:flex;gap:16px;padding:20px 0;
  border-bottom:1px solid rgba(247,244,236,.16);
}
.check-icon{
  width:28px;height:28px;border-radius:999px;flex-shrink:0;
  background:rgba(201,240,75,.9);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;margin-top:3px;
}
.check-body h3{font-size:16px;font-weight:700;color:#F7F4EC;}
.check-body p{font-size:14.5px;line-height:1.8;color:#B9B4A7;margin-top:4px;}

/* ---------- 会员对比 ---------- */
.plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch;}
.plan{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:30px;display:flex;flex-direction:column;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.plan:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.plan-tag{font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--muted);}
.plan-name{font-size:22px;font-weight:800;margin-top:8px;color:var(--ink);}
.plan-desc{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.8;}
.plan-list{margin-top:22px;flex:1;}
.plan-list li{
  display:flex;gap:10px;font-size:14.5px;line-height:1.8;color:#3A3A30;
  padding:10px 0;border-bottom:1px dashed rgba(20,20,15,.1);
}
.plan-list li:last-child{border-bottom:none;}
.plan-list li::before{content:"·";color:var(--accent);font-weight:800;}
.plan.pro{background:var(--brand);border-color:var(--brand);color:#F2EFE7;}
.plan.pro .plan-tag{color:rgba(201,240,75,.85);}
.plan.pro .plan-name{color:#F7F4EC;}
.plan.pro .plan-desc{color:#C7C2B5;}
.plan.pro .plan-list li{color:#EDEAE0;border-bottom-color:rgba(247,244,236,.16);}
.plan.pro .plan-list li::before{color:var(--lime);}
.plan-foot{margin-top:22px;}
.plan.pro .btn-light{width:100%;}
.plan .btn-ghost{width:100%;}
.plan-note{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.7;}
.plan.pro .plan-note{color:#A9A497;}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:8px;}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);position:relative;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.step-num{
  width:38px;height:38px;border-radius:999px;background:var(--brand);color:var(--lime);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
  margin-bottom:14px;
}
.step h3{font-size:16px;font-weight:700;color:var(--ink);}
.step p{font-size:14px;line-height:1.8;color:var(--muted);margin-top:8px;}

/* ---------- 资讯 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{display:flex;flex-direction:column;}
.news-card .card-body{padding:24px;display:flex;flex-direction:column;height:100%;}
.news-title{font-size:17px;font-weight:700;line-height:1.55;color:var(--ink);margin-top:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-desc{font-size:14px;line-height:1.8;color:var(--muted);margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:18px;border-top:1px dashed rgba(20,20,15,.12);font-size:12.5px;color:var(--muted);}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-card);background:#FBF9F3;
  padding:48px 24px;text-align:center;
}
.empty-state p{font-size:15px;font-weight:600;color:var(--ink);}
.empty-state span{display:block;font-size:13px;color:var(--muted);margin-top:6px;}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);transition:background .2s ease-out;}
.faq-item:hover{background:#FBF9F3;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:18px 4px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-plus{
  flex-shrink:0;width:22px;height:22px;position:relative;
  transition:transform .22s ease-out;color:var(--brand);
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-plus::before{width:14px;height:2px;}
.faq-plus::after{width:2px;height:14px;}
.faq-item.is-open .faq-plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease-out;}
.faq-a-inner{padding:0 4px 20px;font-size:15px;line-height:1.85;color:var(--muted);max-width:72ch;}
.faq-item.is-open .faq-a{max-height:340px;}

/* ---------- CTA ---------- */
.cta-band{background:var(--dark);color:#F2EFE7;padding:76px 0;position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(5deg,rgba(201,240,75,.05) 0 8px,transparent 8px 22px);
}
.cta-inner{position:relative;z-index:2;max-width:760px;margin:0 auto;text-align:center;}
.cta-inner .h2{color:#F7F4EC;}
.cta-inner p{color:#B9B4A7;font-size:15.5px;line-height:1.9;margin-top:14px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px;}
.cta-note{font-size:12.5px;color:#8E8980;margin-top:18px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(247,244,236,.85);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .logo-text{color:#F7F4EC;}
.footer-brand .logo-mark{background:#F7F4EC;box-shadow:inset 0 0 0 3px rgba(14,59,46,.14);}
.footer-brand .logo-mark::after{background:var(--accent);}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(247,244,236,.7);margin-top:16px;max-width:36ch;}
.footer-note{font-size:12.5px;line-height:1.8;color:rgba(247,244,236,.5);margin-top:12px;max-width:36ch;}
.footer-col h4{font-size:13.5px;font-weight:700;letter-spacing:.08em;color:#F7F4EC;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:rgba(247,244,236,.7);transition:color .18s ease-out;}
.footer-col ul li a:hover{color:var(--lime);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(247,244,236,.14);
  font-size:12.5px;color:rgba(247,244,236,.5);
}
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:40;
  width:44px;height:44px;border-radius:999px;background:var(--brand);color:var(--lime);
  display:flex;align-items:center;justify-content:center;font-size:16px;
  box-shadow:var(--shadow-2);opacity:0;pointer-events:none;
  transition:opacity .2s ease-out,transform .2s ease-out;
}
.to-top.is-visible{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .cat-hero-grid{grid-template-columns:1fr;gap:28px;}
  .feature-grid{grid-template-columns:1fr;}
  .plan-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr 1fr;}
  .news-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  :root{--space-section:72px;}
  .cat-hero{padding:44px 0 52px;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  :root{--space-section:56px;}
  .cat-hero h1{font-size:27px;}
  .score-num{font-size:30px;}
  .steps{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .phone-item{flex:0 0 232px;}
  .cta-band{padding:56px 0;}
  .to-top{right:16px;bottom:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}