/* roulang page: index */
:root{
  --ink:#1B1A17;
  --muted:#6B6459;
  --sand:#FAF6EF;
  --sand-2:#F1E9DC;
  --paper:#FFFFFF;
  --brick:#B4442A;
  --brick-deep:#8E3320;
  --brick-soft:#F6E3DC;
  --moss:#1F3B34;
  --moss-2:#2C4F46;
  --amber:#D9A441;
  --line:#E3D9C9;
  --r-card:16px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(27,26,23,.06);
  --sh-2:0 10px 28px -14px rgba(27,26,23,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  background:var(--sand);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}

/* ---------- 通用排版 ---------- */
.sec-num{
  display:inline-block;
  font-size:12px;
  font-weight:800;
  letter-spacing:.16em;
  color:var(--amber);
  font-variant-numeric:tabular-nums;
  margin-bottom:12px;
}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-title{
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.3;
  font-weight:800;
  letter-spacing:-.01em;
}
.sec-desc{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.8}
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:88px 0}}
.section--paper{background:var(--paper)}
.section--sand{background:var(--sand)}
.section--sand2{background:var(--sand-2)}
.section--moss{background:var(--moss);color:#EFE9DD}
.section--moss .sec-num{color:var(--amber)}
.section--moss .sec-desc{color:#D3CCBE}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.02em;white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.btn-primary{background:var(--brick);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--brick-deep);box-shadow:var(--sh-2);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:var(--paper);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--sand-2);border-color:var(--brick);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn:focus-visible,a:focus-visible,summary:focus-visible{
  outline:2px solid var(--amber);outline-offset:2px;border-radius:8px;
}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;line-height:1;
  padding:6px 10px;border-radius:6px;
  background:var(--brick-soft);color:var(--brick-deep);
}
.badge-amber{background:rgba(217,164,65,.16);color:#8a6416}
.badge-moss{background:rgba(31,59,52,.1);color:var(--moss)}
.zone-tags{display:flex;flex-wrap:wrap;gap:10px}
.zone-tag{
  background:var(--sand-2);border:1px solid var(--line);
  font-size:14px;padding:8px 16px;border-radius:999px;color:var(--ink);
  transition:background .2s,border-color .2s,color .2s;
}
.zone-tag:hover{background:var(--paper);border-color:var(--brick);color:var(--brick-deep)}

/* ---------- 卡片 ---------- */
.card{
  background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px;
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.card--flat{box-shadow:none}
.card--flat:hover{box-shadow:none;transform:none;border-color:var(--brick)}
.figure{
  position:relative;overflow:hidden;border-radius:var(--r-img);
  background:var(--sand-2);
}
.figure img{width:100%;height:100%;object-fit:cover;display:block}
.ratio-4x3{aspect-ratio:4/3}
.ratio-16x10{aspect-ratio:16/10}
.ratio-1x1{aspect-ratio:1/1}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--sand);
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  background:var(--paper);border-bottom-color:var(--line);
  box-shadow:0 1px 12px rgba(27,26,23,.07);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
@media(min-width:768px){.header-inner{height:72px}}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:36px;height:36px;flex:none;border-radius:8px;
  background:var(--brick);color:#fff;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.brand-name{font-weight:800;font-size:16px;letter-spacing:.02em}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.08em}
.nav-links{display:none;align-items:center;gap:28px}
@media(min-width:768px){.nav-links{display:flex}}
.nav-link{
  position:relative;font-size:15px;color:var(--muted);
  padding:6px 2px;transition:color .2s;
}
.nav-link:hover{color:var(--brick)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;
  height:2px;border-radius:2px;background:var(--brick);
}
.header-cta{flex:none}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:44px 0 40px;background:var(--sand)}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:
    linear-gradient(to right,var(--brick) 1px,transparent 1px),
    linear-gradient(to bottom,var(--brick) 1px,transparent 1px);
  background-size:56px 56px;
}
.hero-grid{position:relative;z-index:1;display:grid;gap:36px;align-items:center}
@media(min-width:1024px){
  .hero-grid{grid-template-columns:5fr 7fr;gap:52px}
  .hero{padding:64px 0 56px}
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brick-deep);
  background:var(--brick-soft);border-radius:999px;padding:7px 16px;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--brick);display:inline-block}
.hero h1{
  font-size:clamp(30px,4.4vw,48px);
  line-height:1.24;
  font-weight:800;
  letter-spacing:-.015em;
  margin:20px 0 0;
}
.hero h1 em{font-style:normal;color:var(--brick);position:relative;white-space:nowrap}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:6px;
  background:rgba(217,164,65,.34);border-radius:3px;z-index:-1;
}
.hero-sub{margin-top:16px;font-size:16px;color:var(--muted);max-width:560px}
.hero-body{margin-top:14px;font-size:15.5px;color:var(--muted);max-width:580px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-figure{position:relative}
.hero-figure::before{
  content:"";position:absolute;left:16px;right:-14px;top:18px;bottom:-18px;
  border:1px solid var(--amber);border-radius:var(--r-img);opacity:.55;
}
.hero-frame{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-2);
  transform:rotate(-1.6deg);
}
.hero-frame img{aspect-ratio:4/3;width:100%;object-fit:cover}
.hero-frame .cap{
  position:absolute;left:12px;bottom:12px;
  background:rgba(31,59,52,.86);color:#F2EDE3;
  font-size:12px;padding:6px 12px;border-radius:6px;letter-spacing:.04em;
}
.trust-strip{
  position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;
  row-gap:20px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line);
}
@media(min-width:768px){.trust-strip{grid-template-columns:repeat(4,1fr);row-gap:0}}
.trust-item{padding:0 0 0 16px;border-left:1px solid var(--line)}
.trust-item:nth-child(odd){border-left:0;padding-left:0}
@media(min-width:768px){
  .trust-item{padding:0 20px}
  .trust-item:first-child{padding-left:0}
  .trust-item:nth-child(odd){border-left:1px solid var(--line);padding-left:20px}
  .trust-item:first-child{border-left:0}
}
.trust-num{
  font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.2;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.trust-num span{font-size:15px;font-weight:700;color:var(--muted);margin-left:2px}
.trust-label{font-size:13px;color:var(--muted);margin-top:4px}

/* ---------- 核验口径四卡 ---------- */
.grid-4{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:640px){.grid-4{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.grid-4{grid-template-columns:repeat(4,1fr);gap:24px}}
.point-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;transition:border-color .2s ease;
}
.point-card:hover{border-color:var(--brick)}
.point-ico{
  width:40px;height:40px;border-radius:10px;background:var(--sand-2);
  display:flex;align-items:center;justify-content:center;color:var(--brick);margin-bottom:16px;
}
.point-card h3{font-size:17px;font-weight:800;margin-bottom:8px}
.point-card p{font-size:14.5px;color:var(--muted);line-height:1.75}

/* ---------- 流程时间轴 ---------- */
.flow-layout{display:grid;gap:36px}
@media(min-width:1024px){.flow-layout{grid-template-columns:1.15fr .85fr;gap:56px;align-items:start}}
.flow{position:relative}
.flow-item{position:relative;display:grid;grid-template-columns:56px 1fr;gap:18px;padding-bottom:30px}
.flow-item::before{
  content:"";position:absolute;left:27px;top:58px;bottom:2px;
  border-left:1px dashed var(--line);
}
.flow-item:last-child{padding-bottom:0}
.flow-item:last-child::before{display:none}
.flow-num{
  width:56px;height:56px;border-radius:50%;
  border:1px solid var(--amber);background:var(--paper);
  color:var(--brick);font-weight:800;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.flow-item h3{font-size:17px;font-weight:800;margin:12px 0 6px}
.flow-item p{font-size:14.5px;color:var(--muted);line-height:1.75}
.flow-figure{position:relative}
.flow-figure .figure{border:1px solid var(--line);box-shadow:var(--sh-2)}
.flow-figure .figure img{aspect-ratio:4/3}
.flow-note{
  margin-top:16px;background:var(--paper);border:1px solid var(--line);
  border-left:3px solid var(--amber);border-radius:10px;padding:16px 18px;
  font-size:14px;color:var(--muted);
}
.flow-note strong{color:var(--ink)}

/* ---------- 功能分组（非对称） ---------- */
.feat-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:1024px){
  .feat-grid{grid-template-columns:5fr 3.5fr 3.5fr;gap:24px;align-items:stretch}
}
.feat-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;display:flex;flex-direction:column;
  transition:box-shadow .22s ease,transform .22s ease;
}
.feat-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.feat-card h3{font-size:18px;font-weight:800;margin-bottom:10px}
.feat-card .feat-p{font-size:14.5px;color:var(--muted);line-height:1.75;margin-bottom:16px}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink);line-height:1.7;padding:6px 0}
.check svg{flex:none;margin-top:4px;color:var(--brick)}
.feat-card .figure{margin-top:auto;padding-top:20px}
.feat-card .figure img{aspect-ratio:16/10}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:640px){.scene-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.scene-grid{grid-template-columns:1fr 1fr;gap:24px}}
.scene-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:box-shadow .22s ease,transform .22s ease;
}
.scene-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.scene-card .figure{border-radius:0}
.scene-card .figure img{aspect-ratio:16/9}
.scene-body{padding:22px 24px 24px}
.scene-body h3{font-size:17px;font-weight:800;margin-bottom:8px}
.scene-body p{font-size:14.5px;color:var(--muted);line-height:1.75;margin-bottom:14px}

/* ---------- 深色演示区 ---------- */
.demo-layout{display:grid;gap:32px;align-items:center}
@media(min-width:1024px){.demo-layout{grid-template-columns:1.1fr .9fr;gap:56px}}
.demo-frame{
  border:1px solid rgba(217,164,65,.5);border-radius:var(--r-img);
  overflow:hidden;box-shadow:0 22px 50px -28px rgba(0,0,0,.7);
  background:var(--moss-2);
}
.demo-frame img{width:100%;aspect-ratio:16/11;object-fit:cover}
.demo-points{display:grid;gap:22px}
.demo-point{display:grid;grid-template-columns:40px 1fr;gap:14px}
.demo-idx{
  width:40px;height:40px;border-radius:8px;border:1px solid var(--amber);
  color:var(--amber);font-size:14px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.demo-point h3{font-size:16.5px;font-weight:800;color:#F4EFE4;margin-bottom:6px}
.demo-point p{font-size:14.5px;color:#D3CCBE;line-height:1.75}

/* ---------- 案例列表 ---------- */
.case-list{border-top:1px solid var(--line)}
.case-row{
  display:grid;gap:12px;padding:22px 16px;border-bottom:1px solid var(--line);
  border-radius:10px;transition:background .22s ease;
}
.case-row:hover{background:var(--sand-2)}
@media(min-width:900px){
  .case-row{grid-template-columns:52px 1.05fr 1.35fr 168px;gap:24px;align-items:center;padding:24px 18px}
}
.case-idx{
  font-size:15px;font-weight:800;color:var(--amber);
  font-variant-numeric:tabular-nums;letter-spacing:.06em;
}
.case-row h3{font-size:16.5px;font-weight:800;line-height:1.5}
.case-row p{font-size:14.5px;color:var(--muted);line-height:1.75}
.case-side{display:flex;align-items:center;gap:12px}
.case-thumb{width:72px;flex:none;border-radius:8px;overflow:hidden;background:var(--sand-2)}
.case-thumb img{width:100%;aspect-ratio:1/1;object-fit:cover}

/* ---------- 价格 ---------- */
.price-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:900px){.price-grid{grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}}
.price-card{
  position:relative;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-card);padding:30px 26px;display:flex;flex-direction:column;
  transition:box-shadow .22s ease,transform .22s ease;
}
.price-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.price-card--hot{border:2px solid var(--brick);box-shadow:var(--sh-2)}
.price-flag{
  position:absolute;top:-13px;left:24px;background:var(--amber);color:#231F18;
  font-size:12px;font-weight:800;padding:5px 12px;border-radius:6px;letter-spacing:.04em;
}
.price-name{font-size:16px;font-weight:800;letter-spacing:.02em}
.price-desc{font-size:13.5px;color:var(--muted);margin-top:6px;min-height:42px}
.price-num{
  margin:18px 0 6px;font-size:38px;font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;color:var(--brick);
}
.price-num i{font-style:normal;font-size:15px;font-weight:700;color:var(--muted);margin-left:4px}
.price-list{margin:18px 0 24px;border-top:1px dashed var(--line);padding-top:16px}
.price-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--ink);line-height:1.7;padding:6px 0;
}
.price-list svg{flex:none;margin-top:4px;color:var(--brick)}
.price-card .btn{margin-top:auto;width:100%}
.price-foot{margin-top:26px;font-size:13.5px;color:var(--muted);line-height:1.8}

/* ---------- 评价墙 ---------- */
.quote-grid{display:grid;gap:18px;grid-template-columns:1fr}
@media(min-width:640px){.quote-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.quote-grid{grid-template-columns:repeat(3,1fr);gap:22px}}
.quote-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;transition:box-shadow .22s ease,transform .22s ease;
}
.quote-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.quote-card:nth-child(2),.quote-card:nth-child(5){padding:30px 24px}
.quote-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.avatar{
  width:40px;height:40px;flex:none;border-radius:50%;
  background:var(--sand-2);color:var(--brick-deep);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;border:1px solid var(--line);
}
.quote-name{font-size:14.5px;font-weight:700}
.quote-date{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.stars{color:var(--amber);letter-spacing:2px;font-size:13px;margin-bottom:8px}
.quote-text{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ---------- 口碑引述 ---------- */
.word-layout{display:grid;gap:32px}
@media(min-width:1024px){.word-layout{grid-template-columns:1.4fr .6fr;gap:48px;align-items:center}}
.word-quote{
  border-left:3px solid var(--amber);padding-left:24px;
  font-size:clamp(19px,2.2vw,22px);line-height:1.65;font-weight:700;color:var(--ink);
}
.word-points{display:grid;gap:14px;margin-top:28px}
@media(min-width:640px){.word-points{grid-template-columns:1fr 1fr;column-gap:28px}}
.word-point{display:flex;gap:10px;font-size:14.5px;color:var(--muted);line-height:1.75}
.word-point svg{flex:none;margin-top:4px;color:var(--brick)}
.word-figure .figure{border:1px solid var(--line);box-shadow:var(--sh-2)}
.word-figure .figure img{aspect-ratio:4/5;object-fit:cover}

/* ---------- 资讯 ---------- */
.news-layout{display:grid;gap:28px}
@media(min-width:1024px){.news-layout{grid-template-columns:1fr 1fr;gap:44px;align-items:start}}
.news-lead{
  display:block;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  transition:box-shadow .22s ease,transform .22s ease;
}
.news-lead:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.news-lead .figure{border-radius:0}
.news-lead .figure img{aspect-ratio:16/9}
.news-lead-body{padding:24px}
.news-lead-body h3{font-size:19px;font-weight:800;line-height:1.45;margin:12px 0 10px}
.news-lead-body p{font-size:14.5px;color:var(--muted);line-height:1.8}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.news-list{border-top:1px solid var(--line)}
.news-item{
  display:block;padding:18px 12px;border-bottom:1px solid var(--line);
  border-radius:10px;transition:background .2s ease;
}
.news-item:hover{background:var(--sand-2)}
.news-item .news-meta{margin-bottom:6px}
.news-item h3{font-size:16px;font-weight:800;line-height:1.5;margin-bottom:4px}
.news-item:hover h3{color:var(--brick-deep)}
.news-item p{font-size:14px;color:var(--muted);line-height:1.7}
.news-more{display:inline-flex;align-items:center;gap:6px;margin-top:20px;font-size:14.5px;font-weight:700;color:var(--brick)}
.news-more:hover{color:var(--brick-deep)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.faq-item{
  background:var(--paper);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;padding:0 20px;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--brick);box-shadow:var(--sh-1)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:700;line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:none;color:var(--brick);font-size:20px;font-weight:700;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-item[open]{border-left:2px solid var(--brick);box-shadow:var(--sh-1)}
.faq-item[open] summary{color:var(--brick-deep)}
.faq-body{padding:0 0 20px;font-size:14.5px;color:var(--muted);line-height:1.85;max-width:760px}

/* ---------- 清单 ---------- */
.check-list{display:grid;gap:0}
@media(min-width:768px){.check-list{grid-template-columns:1fr 1fr;column-gap:44px}}
.check-item{
  display:grid;grid-template-columns:26px 1fr;gap:12px;align-items:start;
  padding:15px 0;border-bottom:1px dashed var(--line);
  font-size:14.5px;line-height:1.7;color:var(--ink);
}
.check-item span.idx{
  display:flex;align-items:center;justify-content:center;
  width:22px;height:22px;border-radius:4px;background:var(--amber);
  color:#231F18;font-size:12px;font-weight:800;margin-top:3px;
  font-variant-numeric:tabular-nums;
}
.check-foot{margin-top:26px;font-size:14.5px;color:var(--muted)}
.check-foot a{color:var(--brick);text-decoration:underline;text-underline-offset:3px}
.check-foot a:hover{color:var(--brick-deep)}

/* ---------- 收尾 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--moss);
  background-image:linear-gradient(rgba(31,59,52,.92),rgba(31,59,52,.92)),url("/assets/images/6f1797ab451e94e0.webp");
  background-size:cover;background-position:center;
  color:#F2EDE3;text-align:center;padding:64px 0;
}
@media(min-width:1024px){.cta-band{padding:88px 0}}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:
    linear-gradient(to right,#D9A441 1px,transparent 1px),
    linear-gradient(to bottom,#D9A441 1px,transparent 1px);
  background-size:48px 48px;
}
.cta-inner{position:relative;z-index:1;max-width:760px;margin:0 auto}
.cta-inner h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.35}
.cta-inner p{margin-top:14px;font-size:15px;color:#D8D2C6;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:30px}
.contact-box{
  display:inline-flex;flex-wrap:wrap;justify-content:center;gap:10px 24px;
  margin-top:26px;padding:14px 22px;border:1px solid rgba(217,164,65,.45);
  border-radius:12px;background:rgba(250,246,239,.06);
  font-size:14px;color:#EFE9DD;
}
.contact-box b{font-weight:800;color:var(--amber);font-variant-numeric:tabular-nums}

/* ---------- 页脚 ---------- */
.footer{background:var(--moss);color:#D8D2C6;padding:56px 0 26px}
.footer-grid{display:grid;gap:34px;grid-template-columns:1fr}
@media(min-width:700px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.35fr 1fr 1fr 1.1fr;gap:44px}}
.footer .brand-name{color:#F4EFE4}
.footer .brand-sub{color:#A9A296}
.footer-brand-mark{
  width:36px;height:36px;border-radius:8px;background:var(--brick);
  color:#fff;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
}
.footer-brand-row{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.85;color:#BDB6A9;max-width:320px}
.footer h4{font-size:14px;font-weight:800;color:#F4EFE4;letter-spacing:.06em;margin-bottom:14px}
.footer-list li{font-size:14px;line-height:1.9;color:#BDB6A9;display:flex;gap:8px}
.footer-list li::before{content:"·";color:var(--amber);font-weight:800}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(217,164,65,.22);
  display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:#9E978B;
}
.footer-bottom a{color:#C9C2B4;transition:color .2s}
.footer-bottom a:hover{color:var(--amber)}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* roulang page: category1 */
:root{
  --ink:#1B1A17;
  --muted:#6B6459;
  --sand:#FAF6EF;
  --sand-2:#F1E9DC;
  --paper:#FFFFFF;
  --brick:#B4442A;
  --brick-deep:#8E3320;
  --brick-soft:#F6E3DC;
  --moss:#1F3B34;
  --moss-2:#2C4F46;
  --amber:#D9A441;
  --line:#E3D9C9;
  --r-card:16px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(27,26,23,.06);
  --sh-2:0 10px 28px -14px rgba(27,26,23,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  background:var(--sand);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:88px 0}}
.section--paper{background:var(--paper)}
.section--sand{background:var(--sand)}
.section--sand2{background:var(--sand-2)}
.sec-title{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:800;letter-spacing:-.01em}
.sec-num{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:800;letter-spacing:.16em;
  color:var(--amber);text-transform:uppercase;margin-bottom:10px;
}
.sec-num::after{content:"";width:28px;height:1px;background:var(--amber);opacity:.7}
.sec-desc{margin-top:12px;color:var(--muted);font-size:15.5px;max-width:660px;line-height:1.85}
.divider{height:1px;background:var(--line);border:0;margin:0}
/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.02em;white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.btn-primary{background:var(--brick);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--brick-deep);box-shadow:var(--sh-2);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:var(--paper);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--sand-2);border-color:var(--brick);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:8px}
/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;line-height:1;
  padding:6px 10px;border-radius:6px;
  background:var(--brick-soft);color:var(--brick-deep);
}
.badge-amber{background:rgba(217,164,65,.16);color:#8a6416}
.badge-moss{background:rgba(31,59,52,.1);color:var(--moss)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.zone-tag{
  background:var(--sand-2);border:1px solid var(--line);
  font-size:14px;padding:8px 16px;border-radius:999px;color:var(--ink);
  transition:background .2s,border-color .2s,color .2s,transform .2s;
}
.zone-tag:hover{background:var(--paper);border-color:var(--brick);color:var(--brick-deep);transform:translateY(-1px)}
/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--sand);
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:var(--paper);border-bottom-color:var(--line);box-shadow:0 1px 12px rgba(27,26,23,.07)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
@media(min-width:768px){.header-inner{height:72px}}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:36px;height:36px;flex:none;border-radius:8px;
  background:var(--brick);color:#fff;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.brand-name{font-weight:800;font-size:16px;letter-spacing:.02em;white-space:nowrap}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.08em;white-space:nowrap}
.nav-links{display:none;align-items:center;gap:26px}
@media(min-width:768px){.nav-links{display:flex}}
.nav-link{position:relative;font-size:15px;color:var(--muted);padding:6px 2px;transition:color .2s}
.nav-link:hover{color:var(--brick)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;background:var(--brick)}
.header-cta{flex:none}
/* ---------- 分类页头 ---------- */
.cat-head{
  position:relative;overflow:hidden;
  background:var(--sand-2);border-bottom:1px solid var(--line);
  padding:36px 0 40px;
}
@media(min-width:1024px){.cat-head{padding:52px 0 56px}}
.cat-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:
    linear-gradient(to right,var(--brick) 1px,transparent 1px),
    linear-gradient(to bottom,var(--brick) 1px,transparent 1px);
  background-size:56px 56px;
}
.cat-head .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumb a{transition:color .2s}
.breadcrumb a:hover{color:var(--brick)}
.breadcrumb .sepc{color:#BFB4A2}
.cat-head h1{
  margin-top:16px;
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.28;font-weight:800;letter-spacing:-.015em;
  max-width:900px;
}
.cat-head h1 em{font-style:normal;color:var(--brick)}
.cat-lead{margin-top:14px;max-width:760px;color:var(--muted);font-size:15.5px;line-height:1.85}
.stat-strip{
  margin-top:26px;display:grid;grid-template-columns:1fr 1fr;
  background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;max-width:860px;
}
.stat{padding:16px 18px}
.stat:nth-child(odd){border-right:1px solid var(--line)}
.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
@media(min-width:900px){
  .stat-strip{grid-template-columns:repeat(4,1fr)}
  .stat{border:0;padding:18px 22px}
  .stat+.stat{border-left:1px solid var(--line)}
}
.stat-num{font-size:26px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.2}
.stat-num small{font-size:13px;font-weight:700;color:var(--muted);margin-left:3px}
.stat-label{margin-top:4px;font-size:12.5px;color:var(--muted);letter-spacing:.04em}
/* ---------- 概览两栏 ---------- */
.overview-grid{display:grid;gap:28px;align-items:start}
@media(min-width:1024px){.overview-grid{grid-template-columns:7fr 5fr;gap:44px}}
.point-list{list-style:none;display:flex;flex-direction:column;gap:22px;margin-top:26px}
.point{display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:start}
.point-no{
  width:38px;height:38px;border-radius:50%;flex:none;
  border:1px solid var(--amber);color:#8a6416;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;
  background:rgba(217,164,65,.1);
}
.point h3{font-size:17px;font-weight:800;line-height:1.5}
.point p{margin-top:6px;font-size:14.5px;color:var(--muted);line-height:1.8}
.side-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:16px;font-weight:800;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brick)}
.side-list{list-style:none;margin-top:16px;display:flex;flex-direction:column;gap:0}
.side-list li{
  display:flex;justify-content:space-between;gap:14px;
  padding:12px 0;border-top:1px dashed var(--line);font-size:14px;
}
.side-list li:first-child{border-top:0;padding-top:4px}
.side-list dt{color:var(--muted);flex:none}
.side-list dd{margin:0;font-weight:700;text-align:right}
.side-note{margin-top:16px;font-size:13px;color:var(--muted);line-height:1.75;border-top:1px solid var(--line);padding-top:14px}
/* ---------- 列表卡 ---------- */
.post-list{display:flex;flex-direction:column;gap:14px;margin-top:28px}
.post-item{
  position:relative;display:grid;grid-template-columns:1fr;gap:14px;
  background:var(--sand);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 18px 18px 24px;overflow:hidden;
  transition:background .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;
  background:var(--brick);border-radius:0 4px 4px 0;
  transition:width .22s ease,background .22s ease;
}
.post-item:hover{background:var(--paper);border-color:#D9CBB6;box-shadow:var(--sh-2)}
.post-item:hover::before{width:6px}
@media(min-width:768px){
  .post-item{grid-template-columns:86px 1fr 196px;gap:22px;align-items:start;padding:22px 22px 22px 28px}
}
.post-date{display:flex;flex-direction:column;line-height:1.2;padding-top:2px}
.post-date .d{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.post-date .m{font-size:12px;color:var(--muted);letter-spacing:.06em;margin-top:2px}
.post-title{font-size:17.5px;font-weight:800;line-height:1.5;letter-spacing:-.01em}
@media(min-width:768px){.post-title{font-size:19px}}
.post-item a.post-title{transition:color .2s}
.post-item:hover a.post-title{color:var(--brick)}
.post-excerpt{
  margin-top:8px;font-size:14.5px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:12px}
.post-read{font-size:13px;font-weight:700;color:var(--brick);display:inline-flex;align-items:center;gap:4px}
.post-read:hover{color:var(--brick-deep)}
.post-thumb{
  position:relative;aspect-ratio:16/10;border-radius:var(--r-img);
  overflow:hidden;background:var(--sand-2);border:1px solid var(--line);
}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-item:hover .post-thumb img{transform:scale(1.04)}
.list-foot{margin-top:28px;display:flex;justify-content:center}
/* ---------- 筛选标签 ---------- */
.filter-wrap{display:flex;flex-direction:column;gap:14px}
.filter-note{font-size:13.5px;color:var(--muted)}
.filter-note strong{color:var(--ink);font-weight:700}
/* ---------- 精选专题 ---------- */
.feature-grid{display:grid;gap:20px;margin-top:28px}
@media(min-width:900px){.feature-grid{grid-template-columns:1fr 1fr;gap:28px}}
.feature-card{
  display:grid;grid-template-columns:1fr;gap:0;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.feature-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#D9CBB6}
@media(min-width:560px){.feature-card{grid-template-columns:200px 1fr}}
.feature-thumb{position:relative;aspect-ratio:16/10;background:var(--sand-2);overflow:hidden}
@media(min-width:560px){.feature-thumb{aspect-ratio:auto;height:100%}}
.feature-thumb img{width:100%;height:100%;object-fit:cover}
.feature-body{padding:18px 20px 20px}
.feature-body h3{font-size:16.5px;font-weight:800;line-height:1.5}
.feature-body p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feature-body .feature-link{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13.5px;font-weight:700;color:var(--brick)}
.feature-card:hover .feature-link{color:var(--brick-deep)}
/* ---------- 要点清单 ---------- */
.check-list{list-style:none;margin-top:24px;border-top:1px dashed var(--line)}
.check-item{display:grid;grid-template-columns:34px 1fr;gap:14px;align-items:start;padding:18px 0;border-bottom:1px dashed var(--line)}
.check-no{
  width:26px;height:26px;border-radius:6px;background:var(--amber);color:#241a06;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;font-variant-numeric:tabular-nums;margin-top:2px;
}
.check-item h3{font-size:16px;font-weight:800;line-height:1.5}
.check-item p{margin-top:5px;font-size:14.5px;color:var(--muted);line-height:1.8}
/* ---------- FAQ ---------- */
.faq-wrap{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--paper);border:1px solid var(--line);border-radius:12px;
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#D9CBB6}
.faq-item[open]{border-color:var(--line);box-shadow:var(--sh-1)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:16px 46px 16px 18px;
  font-size:15.5px;font-weight:700;line-height:1.6;
  transition:color .2s ease,background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:18px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s ease,border-color .25s;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--brick)}
.faq-item summary:hover{color:var(--brick)}
.faq-item[open] summary{color:var(--brick-deep)}
.faq-body{position:relative;padding:0 18px 18px 20px;font-size:14.5px;color:var(--muted);line-height:1.85}
.faq-body::before{content:"";position:absolute;left:0;top:2px;bottom:18px;width:2px;background:var(--brick);border-radius:2px}
/* ---------- CTA 条 ---------- */
.cta-bar{background:var(--brick-soft);border-top:1px solid #EBD3C9;border-bottom:1px solid #EBD3C9}
.cta-bar-inner{
  display:flex;flex-direction:column;gap:18px;
  padding:32px 0;
}
@media(min-width:900px){
  .cta-bar-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:32px;padding:36px 0}
}
.cta-bar h2{font-size:clamp(19px,2.2vw,24px);font-weight:800;line-height:1.4;letter-spacing:-.01em}
.cta-bar p{margin-top:8px;font-size:14.5px;color:#7B4436;line-height:1.8;max-width:680px}
.cta-bar .btn{flex:none}
/* ---------- 页脚 ---------- */
.footer{background:var(--moss);color:#D8D2C6;padding:56px 0 0}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}
.footer-brand-row{display:flex;align-items:center;gap:10px}
.footer-brand-mark{
  width:34px;height:34px;flex:none;border-radius:8px;background:var(--brick);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;
}
.footer .brand-name{color:#fff}
.footer .brand-sub{color:#A79F92}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:#C1BAAC;max-width:380px}
.footer h4{margin:0 0 14px;font-size:15px;font-weight:700;color:#fff;letter-spacing:.02em}
.footer-list{list-style:none;display:flex;flex-direction:column;gap:9px;font-size:14px;color:#C1BAAC;line-height:1.7}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:#A79F92;
}
.footer-bottom a{color:#D8D2C6;text-decoration:underline;text-underline-offset:3px;transition:color .2s}
.footer-bottom a:hover{color:var(--amber)}