/* roulang page: index */
/* ================= 设计变量 ================= */
:root{
  --c-brand:#12463A;
  --c-brand-600:#1B5D4C;
  --c-brand-100:#E3EDE9;
  --c-accent:#C2603A;
  --c-accent-600:#A94E2C;
  --c-accent-soft:#F3E3DA;
  --c-bg:#F7F4EF;
  --c-surface:#FFFFFF;
  --c-muted-bg:#EFEAE2;
  --c-ink:#171A19;
  --c-ink-2:#4A5250;
  --c-line:#E2DCD2;
  --c-danger:#B4432F;

  --r-card:16px;
  --r-sm:12px;
  --r-xs:6px;

  --sh-1:0 1px 2px rgba(23,26,25,.04),0 8px 24px rgba(23,26,25,.06);
  --sh-2:0 2px 6px rgba(23,26,25,.06),0 16px 36px rgba(23,26,25,.10);

  --ease:cubic-bezier(.2,.7,.3,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,"Times New Roman",serif;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;

  /* Bootstrap 变量覆盖 */
  --bs-primary:#12463A;
  --bs-primary-rgb:18,70,58;
  --bs-secondary:#C2603A;
  --bs-secondary-rgb:194,96,58;
  --bs-body-bg:#F7F4EF;
  --bs-body-color:#171A19;
  --bs-border-color:#E2DCD2;
  --bs-border-radius:12px;
  --bs-border-radius-lg:16px;
  --bs-link-color:#12463A;
  --bs-link-hover-color:#C2603A;
  --bs-font-sans-serif:var(--font-sans);
  --bs-body-font-family:var(--font-sans);
  --bs-body-line-height:1.85;
}

/* ================= 基础 reset ================= */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-brand);text-decoration:none;transition:color .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);}
a:hover{color:var(--c-accent);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,h5{font-family:var(--font-serif);font-weight:600;line-height:1.25;letter-spacing:-.01em;color:var(--c-ink);margin:0;}
p{margin:0 0 1em 0;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:6px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-brand);color:#fff;padding:10px 16px;border-radius:0 0 var(--r-sm) 0;z-index:2000;}
.skip-link:focus{left:0;color:#fff;}

/* ================= 容器与板块 ================= */
.container{max-width:1200px;padding-left:20px;padding-right:20px;}
@media (min-width:992px){.container{padding-left:24px;padding-right:24px;}}
.section{padding:56px 0;}
@media (min-width:992px){.section{padding:96px 0;}}
.section-tight{padding:44px 0;}
@media (min-width:992px){.section-tight{padding:64px 0;}}
.section-muted{background:var(--c-muted-bg);}

.section-head{max-width:720px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.12em;color:var(--c-brand);
  background:var(--c-brand-100);border-radius:var(--r-xs);
  padding:5px 12px;margin-bottom:16px;font-weight:600;
}
.section-title{font-size:26px;margin-bottom:14px;}
@media (min-width:992px){.section-title{font-size:32px;}}
.section-desc{color:var(--c-ink-2);font-size:16px;max-width:660px;}
.section-head.center .section-desc{margin:0 auto;}

/* ================= 按钮 ================= */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-sm);font-weight:600;letter-spacing:.02em;border:1px solid transparent;padding:12px 22px;min-height:44px;transition:all .22s var(--ease);text-align:center;}
.btn:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;}
.btn-sm{padding:8px 16px;font-size:14px;min-height:38px;}
.btn-lg{padding:15px 30px;font-size:17px;min-height:52px;}
.btn-brand{background:var(--c-accent);color:#fff;border-color:var(--c-accent);box-shadow:0 6px 16px rgba(194,96,58,.22);}
.btn-brand:hover,.btn-brand:focus{background:var(--c-accent-600);border-color:var(--c-accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(194,96,58,.28);}
.btn-brand:active{transform:translateY(0);}
.btn-ghost{background:var(--c-surface);color:var(--c-brand);border-color:var(--c-brand);}
.btn-ghost:hover,.btn-ghost:focus{background:var(--c-brand-100);color:var(--c-brand);border-color:var(--c-brand);transform:translateY(-1px);}
.btn-dark{background:var(--c-brand);color:#fff;border-color:var(--c-brand);}
.btn-dark:hover,.btn-dark:focus{background:var(--c-brand-600);border-color:var(--c-brand-600);color:#fff;transform:translateY(-1px);}
.btn-text{background:transparent;color:var(--c-brand);padding:6px 2px;min-height:auto;border:0;}
.btn-text:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px;}
.btn[disabled],.btn.disabled{background:var(--c-muted-bg);color:#9AA29F;border-color:var(--c-line);box-shadow:none;cursor:not-allowed;}

/* ================= 徽章与标签 ================= */
.tag{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;line-height:1.6;padding:3px 10px;border-radius:var(--r-xs);background:var(--c-brand-100);color:var(--c-brand);font-weight:600;letter-spacing:.02em;}
.tag-neutral{background:var(--c-muted-bg);color:var(--c-ink-2);font-weight:500;}
.tag-accent{background:var(--c-accent-soft);color:var(--c-accent-600);}

/* ================= 导航 ================= */
.site-header{position:sticky;top:0;z-index:1030;padding:12px 0;background:rgba(247,244,239,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);}
.site-header .container{position:relative;}
.nav-panel{
  display:flex;align-items:center;gap:14px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:10px 14px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:var(--r-sm);
  background:var(--c-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-size:20px;font-weight:600;letter-spacing:.04em;
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-family:var(--font-serif);font-size:17px;font-weight:600;color:var(--c-ink);letter-spacing:0;}
.brand-text em{font-style:normal;font-size:12px;color:var(--c-ink-2);letter-spacing:.04em;}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:auto;}
.nav-chip{
  display:flex;flex-direction:column;gap:1px;
  padding:8px 13px;border-radius:var(--r-sm);
  background:var(--c-muted-bg);border:1px solid transparent;
  min-width:76px;
}
.nav-chip .chip-label{font-size:14px;font-weight:600;color:var(--c-ink);line-height:1.4;}
.nav-chip .chip-note{font-size:11px;color:var(--c-ink-2);line-height:1.4;}
.nav-chip:hover,.nav-chip:focus{background:var(--c-brand-100);border-color:var(--c-brand);transform:translateY(-2px);}
.nav-chip:hover .chip-label,.nav-chip:focus .chip-label{color:var(--c-brand);}
.nav-chip.active{background:var(--c-brand-100);border-color:var(--c-brand);}
.nav-chip.active .chip-label{color:var(--c-brand);}
.nav-cta{flex-shrink:0;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-sm);
  background:var(--c-muted-bg);border:1px solid var(--c-line);color:var(--c-brand);
  margin-left:auto;cursor:pointer;
}
.nav-toggle:hover{background:var(--c-brand-100);border-color:var(--c-brand);}

@media (max-width:1199.98px){
  .nav-chip .chip-note{display:none;}
  .nav-chip{min-width:auto;}
}
@media (max-width:991.98px){
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .nav-links{
    position:absolute;top:calc(100% + 10px);left:20px;right:20px;
    flex-direction:column;align-items:stretch;gap:8px;
    background:var(--c-surface);border:1px solid var(--c-line);
    border-radius:var(--r-card);box-shadow:var(--sh-2);
    padding:12px;margin-left:0;display:none;
  }
  .nav-links.open{display:flex;}
  .nav-chip{flex-direction:row;align-items:center;justify-content:space-between;padding:12px 14px;}
  .nav-chip .chip-note{display:block;}
  .brand-text strong{font-size:15.5px;}
  .brand-text em{font-size:11px;}
  .brand-mark{width:38px;height:38px;font-size:18px;}
}
@media (max-width:575.98px){
  .brand-text em{display:none;}
}

/* ================= Hero ================= */
.hero{padding:36px 0 8px;}
@media (min-width:992px){.hero{padding:64px 0 24px;}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.14em;
  color:var(--c-accent-600);background:var(--c-accent-soft);
  padding:5px 12px;border-radius:var(--r-xs);margin-bottom:20px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.hero h1{font-size:29px;line-height:1.28;margin-bottom:18px;letter-spacing:-.015em;}
@media (min-width:992px){.hero h1{font-size:44px;line-height:1.22;}}
.hero-lead{font-size:17px;color:var(--c-ink-2);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-sm);padding:8px 14px;
  font-size:13.5px;color:var(--c-ink-2);box-shadow:var(--sh-1);
}
.hero-badge svg{flex-shrink:0;color:var(--c-brand);}
.hero-media{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-2);margin:0;background:var(--c-muted-bg);aspect-ratio:4/3;}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(18,70,58,.22),rgba(18,70,58,.04) 55%,rgba(18,70,58,.14));pointer-events:none;}
.hero-media-caption{
  position:absolute;left:16px;bottom:16px;z-index:2;
  background:rgba(255,255,255,.94);border-radius:var(--r-sm);
  padding:10px 14px;font-size:13px;color:var(--c-ink-2);
  box-shadow:var(--sh-1);max-width:calc(100% - 32px);
}
.hero-media-caption b{display:block;font-size:14px;color:var(--c-brand);font-weight:600;}

/* ================= 三步上手 ================= */
.steps-track{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.steps-track::before{
  content:"";position:absolute;top:34px;left:8%;right:8%;height:1px;
  background:repeating-linear-gradient(90deg,var(--c-line) 0 8px,transparent 8px 16px);
  z-index:0;
}
.step-card{
  position:relative;z-index:1;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);transition:all .22s var(--ease);
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-brand);}
.step-num{
  font-family:var(--font-num);font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--c-accent-600);background:var(--c-accent-soft);
  display:inline-block;padding:3px 10px;border-radius:var(--r-xs);margin-bottom:14px;
}
.step-card h3{font-size:19px;margin-bottom:10px;}
.step-card p{font-size:15px;color:var(--c-ink-2);margin:0;}
@media (max-width:991.98px){
  .steps-track{grid-template-columns:1fr;}
  .steps-track::before{display:none;}
}

/* ================= 栏目入口卡 ================= */
.channel-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);
  transition:all .22s var(--ease);
}
.channel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-brand);}
.channel-ico{
  width:46px;height:46px;border-radius:var(--r-sm);
  background:var(--c-brand-100);color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.channel-card h3{font-size:19px;margin-bottom:10px;}
.channel-card p{font-size:14.5px;color:var(--c-ink-2);margin-bottom:18px;}
.channel-link{margin-top:auto;font-size:14px;font-weight:600;color:var(--c-brand);display:inline-flex;align-items:center;gap:6px;}
.channel-card:hover .channel-link{color:var(--c-accent);}

/* ================= 案例证明 ================= */
.case-main{
  display:grid;grid-template-columns:1.05fr 1fr;gap:0;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  height:100%;
}
.case-main figure{margin:0;background:var(--c-muted-bg);min-height:260px;}
.case-main figure img{width:100%;height:100%;object-fit:cover;}
.case-body{padding:26px;display:flex;flex-direction:column;}
.case-body h3{font-size:21px;margin-bottom:14px;}
.case-points li{position:relative;padding-left:20px;font-size:14.5px;color:var(--c-ink-2);margin-bottom:8px;}
.case-points li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--c-accent);}
.case-figure{margin-top:auto;padding-top:18px;display:flex;align-items:baseline;gap:10px;}
.case-figure strong{font-family:var(--font-num);font-size:34px;color:var(--c-brand);line-height:1;letter-spacing:-.02em;}
.case-figure span{font-size:13.5px;color:var(--c-ink-2);}
.case-mini{
  display:flex;gap:16px;align-items:center;height:100%;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:16px;box-shadow:var(--sh-1);
  transition:all .22s var(--ease);
}
.case-mini:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-brand);}
.case-mini figure{margin:0;width:96px;height:96px;flex-shrink:0;border-radius:var(--r-sm);overflow:hidden;background:var(--c-muted-bg);}
.case-mini figure img{width:100%;height:100%;object-fit:cover;}
.case-mini h4{font-size:16.5px;margin-bottom:6px;font-family:var(--font-serif);font-weight:600;}
.case-mini p{font-size:13.5px;color:var(--c-ink-2);margin:0;}
@media (max-width:991.98px){
  .case-main{grid-template-columns:1fr;}
  .case-main figure{min-height:200px;}
}
@media (max-width:575.98px){
  .case-mini figure{width:72px;height:72px;}
}

/* ================= 数据条 ================= */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--c-line);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;}
.stat-cell{background:var(--c-surface);padding:26px 22px;}
.stat-cell strong{display:block;font-family:var(--font-num);font-size:30px;color:var(--c-brand);line-height:1.1;letter-spacing:-.02em;margin-bottom:8px;}
.stat-cell span{font-size:14px;color:var(--c-ink-2);}
@media (max-width:767.98px){
  .stats-grid{grid-template-columns:repeat(2,1fr);}
}

/* ================= FAQ ================= */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:860px;}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);}
.faq-item.open{border-color:var(--c-brand);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;border-left:3px solid transparent;
  padding:18px 22px;text-align:left;cursor:pointer;
  font-family:var(--font-serif);font-size:17px;font-weight:600;color:var(--c-ink);
  transition:all .22s var(--ease);
}
.faq-item.open .faq-q{border-left-color:var(--c-accent);color:var(--c-brand);}
.faq-q:hover{color:var(--c-brand);}
.faq-icon{position:relative;width:18px;height:18px;flex-shrink:0;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-brand);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease);}
.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::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a-inner{padding:0 22px 20px 25px;font-size:15.5px;color:var(--c-ink-2);}

/* ================= CTA 表单 ================= */
.cta-section{background:var(--c-brand);color:#EDF3F0;padding:56px 0;position:relative;overflow:hidden;}
@media (min-width:992px){.cta-section{padding:88px 0;}}
.cta-section::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  border-radius:50%;border:1px solid rgba(255,255,255,.10);pointer-events:none;
}
.cta-title{color:#fff;font-size:26px;margin-bottom:14px;}
@media (min-width:992px){.cta-title{font-size:34px;}}
.cta-text{color:rgba(237,243,240,.82);font-size:16px;max-width:480px;margin-bottom:26px;}
.trust-list{display:flex;flex-direction:column;gap:12px;}
.trust-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(237,243,240,.9);}
.trust-list svg{flex-shrink:0;margin-top:5px;color:#9FD3BE;}
.form-card{background:var(--c-surface);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-2);color:var(--c-ink);}
@media (min-width:992px){.form-card{padding:32px;}}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-note{font-size:13.5px;color:var(--c-ink-2);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--c-ink-2);margin-bottom:7px;letter-spacing:.02em;}
.form-control,.form-select{
  width:100%;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-sm);padding:12px 14px;min-height:46px;
  font-size:15px;color:var(--c-ink);transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.form-control::placeholder{color:#9AA29F;}
.form-control:focus,.form-select:focus{border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(18,70,58,.14);outline:none;}
.form-error{display:none;font-size:13px;color:var(--c-danger);margin-top:6px;}
.field.has-error .form-control,.field.has-error .form-select{border-color:var(--c-danger);}
.field.has-error .form-error{display:block;}
.form-msg{display:none;margin-top:14px;font-size:14px;color:var(--c-brand);background:var(--c-brand-100);border-radius:var(--r-sm);padding:12px 14px;}
.form-msg.show{display:block;}
.form-card .btn-brand{width:100%;}

/* ================= 资讯列表 ================= */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
@media (max-width:991.98px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:575.98px){.news-grid{grid-template-columns:1fr;}}
.news-card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:all .22s var(--ease);color:inherit;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-brand);color:inherit;}
.news-card figure{margin:0;aspect-ratio:4/3;background:var(--c-muted-bg);overflow:hidden;}
.news-card figure img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.news-card:hover figure img{transform:scale(1.03);}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.news-body h3{font-size:17.5px;line-height:1.45;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card:hover .news-body h3{color:var(--c-brand);}
.news-body p{font-size:14px;color:var(--c-ink-2);margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:14px;border-top:1px solid var(--c-line);}
.news-date{font-family:var(--font-num);font-size:13px;color:var(--c-ink-2);letter-spacing:.02em;}
.empty-state{
  background:var(--c-surface);border:1px dashed var(--c-line);
  border-radius:var(--r-card);padding:52px 24px;text-align:center;
}
.empty-state .empty-ico{
  width:60px;height:60px;margin:0 auto 18px;border-radius:var(--r-sm);
  background:var(--c-muted-bg);display:flex;align-items:center;justify-content:center;color:var(--c-ink-2);
}
.empty-state h3{font-size:19px;margin-bottom:8px;}
.empty-state p{font-size:14.5px;color:var(--c-ink-2);margin:0;}

/* ================= 页脚 ================= */
.site-footer{background:var(--c-brand);color:#DDE7E3;padding:56px 0 24px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.footer-brand strong{display:block;font-family:var(--font-serif);font-size:19px;color:#fff;margin-bottom:12px;font-weight:600;}
.footer-brand p{font-size:14px;color:rgba(221,231,227,.78);margin:0;max-width:320px;}
.footer-col h4{font-family:var(--font-sans);font-size:14px;color:#fff;font-weight:600;letter-spacing:.06em;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:rgba(221,231,227,.82);font-size:14px;}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-col p{font-size:14px;color:rgba(221,231,227,.78);margin:0 0 8px 0;}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(221,231,227,.62);}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;}
}

/* ================= 动效偏好 ================= */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  .btn:hover,.nav-chip:hover,.step-card:hover,.channel-card:hover,.news-card:hover,.case-mini:hover{transform:none !important;}
}

/* roulang page: article */
:root{
  --c-brand:#12463A;
  --c-brand-600:#1B5D4C;
  --c-brand-100:#E3EDE9;
  --c-accent:#C2603A;
  --c-accent-600:#A94F2D;
  --c-accent-soft:#F3E3DA;
  --c-bg:#F7F4EF;
  --c-surface:#FFFFFF;
  --c-muted-bg:#EFEAE2;
  --c-ink:#171A19;
  --c-ink-2:#4A5250;
  --c-line:#E2DCD2;
  --c-danger:#B4432F;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:6px;
  --sh-1:0 1px 2px rgba(23,26,25,.04),0 8px 24px rgba(23,26,25,.06);
  --sh-2:0 2px 6px rgba(23,26,25,.07),0 18px 40px rgba(23,26,25,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --serif:"Noto Serif SC","Songti SC","SimSun",Georgia,serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --bs-body-font-family:var(--sans);
  --bs-body-color:var(--c-ink-2);
  --bs-border-radius:var(--r-md);
  --bs-primary:var(--c-brand);
  --bs-link-color:var(--c-brand);
  --bs-link-hover-color:var(--c-accent);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink-2);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-brand);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4{font-family:var(--serif);color:var(--c-ink);letter-spacing:-.01em;line-height:1.35;margin:0;font-weight:600;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  padding:12px 0;
  background:linear-gradient(180deg,rgba(247,244,239,.97) 0%,rgba(247,244,239,.82) 100%);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(226,220,210,.6);
}
.nav-panel{
  position:relative;
  display:flex;align-items:center;gap:16px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:18px;
  box-shadow:var(--sh-1);
  padding:10px 14px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-ink);}
.brand:hover{color:var(--c-ink);}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--c-brand);color:#F1E9DC;
  display:grid;place-items:center;
  font-family:var(--serif);font-size:19px;line-height:1;
}
.brand-text strong{display:block;font-family:var(--serif);font-size:15px;font-weight:600;line-height:1.25;}
.brand-text em{display:block;font-style:normal;font-size:11px;color:var(--c-ink-2);letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;}
.nav-chip{
  display:flex;flex-direction:column;gap:2px;
  padding:8px 12px;border-radius:var(--r-md);
  background:var(--c-muted-bg);
  border:1px solid transparent;
  transition:background .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.nav-chip .chip-label{font-size:13px;font-weight:600;color:var(--c-ink);line-height:1.3;}
.nav-chip .chip-note{font-size:11px;color:var(--c-ink-2);line-height:1.3;}
.nav-chip:hover,.nav-chip.active{background:var(--c-brand-100);border-color:var(--c-brand);transform:translateY(-2px);}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:var(--r-md);
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-brand);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-cta{flex:0 0 auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-md);
  font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
  cursor:pointer;
}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-md{padding:12px 22px;font-size:15px;}
.btn-lg{padding:15px 30px;font-size:16px;}
.btn-brand{background:var(--c-accent);color:#FFF8F3;border-color:var(--c-accent);}
.btn-brand:hover{background:var(--c-accent-600);border-color:var(--c-accent-600);color:#FFF8F3;transform:translateY(-1px);}
.btn-outline-brand{background:var(--c-surface);color:var(--c-brand);border-color:var(--c-brand);}
.btn-outline-brand:hover{background:var(--c-brand-100);color:var(--c-brand);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--c-brand);border-color:transparent;padding:8px 6px;}
.btn-ghost:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px;}
.btn:disabled{opacity:.5;cursor:not-allowed;filter:saturate(.5);transform:none;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:26px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-2);margin:0;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"›";color:#B6AEA1;}
.breadcrumb a{color:var(--c-ink-2);}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb .current{color:var(--c-brand);font-weight:600;}

/* ---------- 文章头 ---------- */
.article-head{padding:24px 0 8px;}
.article-head-inner{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:32px 36px 30px;
  position:relative;
  overflow:hidden;
}
.article-head-inner::after{
  content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,70,58,.07),rgba(18,70,58,0) 70%);
  pointer-events:none;
}
.article-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-sm);
  font-size:12px;line-height:1.6;font-weight:500;
}
.badge-brand{background:var(--c-brand-100);color:var(--c-brand);}
.badge-ghost{background:var(--c-muted-bg);color:var(--c-ink-2);}
.badge-accent{background:var(--c-accent-soft);color:var(--c-accent-600);}
.article-head h1{
  font-size:38px;line-height:1.3;margin:0 0 18px;max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;
  font-size:13px;color:var(--c-ink-2);
  border-top:1px solid var(--c-line);
  padding-top:16px;
}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta .num{font-variant-numeric:tabular-nums;letter-spacing:.02em;color:var(--c-ink);}

/* ---------- 正文排版 ---------- */
.article-wrap{
  display:grid;
  grid-template-columns:minmax(0,820px) 260px;
  justify-content:center;
  gap:48px;
  padding:42px 0 20px;
  align-items:start;
}
.article-main{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:40px 44px 48px;
  min-width:0;
}
.article-body{font-size:17px;line-height:1.9;color:var(--c-ink-2);word-break:break-word;}
.article-body > * + *{margin-top:1.15em;}
.article-body p{margin:0;}
.article-body h2{
  font-size:26px;margin:2em 0 .7em;padding-left:16px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;width:4px;height:1em;border-radius:2px;background:var(--c-accent);
}
.article-body h3{font-size:20px;margin:1.7em 0 .6em;}
.article-body h2 + *,.article-body h3 + *{margin-top:0;}
.article-body a{color:var(--c-brand);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
.article-body a:hover{color:var(--c-accent);}
.article-body strong{color:var(--c-ink);font-weight:600;}
.article-body img{border-radius:var(--r-md);border:1px solid var(--c-line);margin:1.4em auto;}
.article-body blockquote{
  background:var(--c-muted-bg);
  border-left:3px solid var(--c-brand);
  border-radius:var(--r-md);
  padding:16px 20px;
  color:var(--c-ink-2);
  font-size:16px;
}
.article-body ul{padding-left:1.4em;}
.article-body ul li{position:relative;padding-left:.1em;}
.article-body ul li::before{
  content:"";position:absolute;left:-1em;top:.78em;width:6px;height:6px;border-radius:2px;background:var(--c-accent);
}
.article-body ol{padding-left:1.5em;list-style:decimal;}
.article-body ol li::marker{color:var(--c-brand);font-weight:600;}
.article-body li + li{margin-top:.45em;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.4em 0;}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--c-line);text-align:left;}
.article-body th{background:var(--c-muted-bg);color:var(--c-ink);font-weight:600;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2em 0;}
.article-body code{background:var(--c-muted-bg);border-radius:6px;padding:2px 6px;font-size:15px;color:var(--c-brand);}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:100px;display:flex;flex-direction:column;gap:16px;}
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:20px 22px;
}
.side-card h3{font-size:15px;margin-bottom:12px;}
.side-card p{font-size:13px;color:var(--c-ink-2);line-height:1.8;}
.side-list{display:flex;flex-direction:column;gap:8px;margin-top:10px;}
.side-list a{
  display:block;font-size:13px;padding:8px 10px;border-radius:10px;
  background:var(--c-muted-bg);color:var(--c-ink);border:1px solid transparent;
  transition:background .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.side-list a:hover{background:var(--c-brand-100);border-color:var(--c-brand);transform:translateX(2px);color:var(--c-brand);}
.back-top{
  width:100%;justify-content:center;
}

/* ---------- 文末信息 ---------- */
.article-foot{
  margin-top:34px;padding-top:24px;border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
}
.article-foot .tags{display:flex;flex-wrap:wrap;gap:8px;}
.article-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:60px 24px;
}
.empty-state .empty-mark{
  width:64px;height:64px;border-radius:18px;margin:0 auto 20px;
  background:var(--c-muted-bg);color:var(--c-brand);display:grid;place-items:center;
  font-family:var(--serif);font-size:26px;
}
.empty-state h2{font-size:24px;margin-bottom:10px;}
.empty-state p{color:var(--c-ink-2);margin-bottom:22px;}

/* ---------- 相关推荐 ---------- */
.related{padding:56px 0 8px;}
.section-head{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:flex-end;margin-bottom:26px;}
.section-head h2{font-size:30px;}
.section-head .section-note{font-size:14px;color:var(--c-ink-2);}
.rec-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.rec-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-brand);}
.rec-cover{aspect-ratio:4/3;overflow:hidden;background:var(--c-muted-bg);}
.rec-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.rec-card:hover .rec-cover img{transform:scale(1.04);}
.rec-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.rec-body h3{font-size:18px;line-height:1.5;}
.rec-body p{font-size:14px;color:var(--c-ink-2);}
.rec-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:12px;}

/* ---------- CTA ---------- */
.cta-band{padding:64px 0 72px;}
.cta-inner{
  position:relative;overflow:hidden;
  background:var(--c-brand);
  border-radius:20px;
  padding:52px 48px;
  color:#E8EFEB;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:40px;
  align-items:center;
}
.cta-inner::after{
  content:"";position:absolute;left:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(255,255,255,.14);
}
.cta-inner h2{color:#FFFDF9;font-size:30px;margin-bottom:14px;}
.cta-inner p{color:#CBDCD4;font-size:15px;max-width:520px;}
.cta-points{display:flex;flex-direction:column;gap:10px;margin-top:22px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#D9E6E0;}
.cta-points li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--c-accent);margin-top:.6em;flex:0 0 auto;}
.cta-card{
  background:var(--c-surface);border-radius:var(--r-lg);padding:26px 26px 24px;
  box-shadow:0 18px 40px rgba(0,0,0,.18);color:var(--c-ink-2);
}
.cta-card h3{font-size:18px;margin-bottom:8px;}
.cta-card p{font-size:13px;color:var(--c-ink-2);margin-bottom:18px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-brand);color:#D5E2DC;padding:60px 0 24px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand strong{display:block;font-family:var(--serif);font-size:19px;color:#FFFDF9;margin-bottom:12px;}
.footer-brand p{font-size:13px;line-height:1.9;color:#B9CFC7;max-width:320px;}
.footer-col h4{color:#FFFDF9;font-size:14px;margin-bottom:14px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col a{font-size:13px;color:#C7DAD2;}
.footer-col a:hover{color:#F0C5B2;}
.footer-col p{font-size:13px;color:#B9CFC7;margin-bottom:8px;}
.footer-bottom{
  margin-top:40px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12px;color:#9FBBB2;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-wrap{grid-template-columns:minmax(0,1fr) 240px;gap:32px;}
  .article-head h1{font-size:34px;}
}
@media (max-width:991.98px){
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-links{
    position:absolute;left:12px;right:12px;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:8px;
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;
    box-shadow:var(--sh-2);padding:12px;display:none;z-index:80;
  }
  .nav-links.open{display:flex;}
  .nav-chip{flex-direction:row;align-items:center;justify-content:space-between;}
  .nav-cta{order:3;}
  .article-wrap{grid-template-columns:1fr;gap:0;}
  .article-side{display:none;}
  .article-main{padding:30px 26px 36px;}
  .article-head-inner{padding:26px 24px;}
  .article-head h1{font-size:29px;}
  .cta-inner{grid-template-columns:1fr;padding:36px 26px;}
  .cta-inner h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .brand-text em{display:none;}
  .article-body{font-size:16.5px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .section-head h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .related{padding:46px 0 4px;}
  .cta-band{padding:48px 0 56px;}
}
@media (max-width:575.98px){
  .crumb-bar{padding:18px 0 0;}
  .article-head h1{font-size:26px;}
  .article-main{padding:24px 18px 30px;border-radius:14px;}
  .cta-inner{padding:28px 20px;border-radius:16px;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{justify-content:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .rec-card:hover,.nav-chip:hover,.btn:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --c-brand:#12463A;
  --c-brand-600:#1B5D4C;
  --c-brand-100:#E3EDE9;
  --c-accent:#C2603A;
  --c-accent-soft:#F3E3DA;
  --c-bg:#F7F4EF;
  --c-surface:#FFFFFF;
  --c-muted-bg:#EFEAE2;
  --c-ink:#171A19;
  --c-ink-2:#4A5250;
  --c-line:#E2DCD2;
  --c-danger:#B4432F;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:6px;
  --sh-1:0 1px 2px rgba(23,26,25,.04),0 8px 24px rgba(23,26,25,.06);
  --sh-2:0 2px 6px rgba(23,26,25,.06),0 16px 36px rgba(23,26,25,.10);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:72px; --sp-7:104px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:#F7F4EF;
  --bs-body-color:#171A19;
  --bs-border-radius:12px;
  --bs-primary:#12463A;
  --bs-primary-rgb:18,70,58;
  --bs-link-color:#12463A;
  --bs-link-hover-color:#1B5D4C;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  font-weight:600;
  line-height:1.25;
  letter-spacing:-.01em;
  color:var(--c-ink);
  margin:0 0 .6em;
}
h1{font-size:44px;}
h2{font-size:31px;}
h3{font-size:21px;}
h4{font-size:17px;font-family:"Noto Sans SC","PingFang SC",sans-serif;font-weight:700;letter-spacing:0;}
p{margin:0 0 1.1em;color:var(--c-ink-2);}
a{color:var(--c-brand);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--c-brand-600);}
img{max-width:100%;display:block;}
ul,ol{margin:0 0 1.1em;padding-left:1.1em;color:var(--c-ink-2);}
li{margin-bottom:.4em;}
button{font:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-brand);outline-offset:2px;border-radius:6px;
}
::selection{background:var(--c-brand-100);color:var(--c-brand);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-7) 0;}
.section--muted{background:var(--c-muted-bg);}
.section--tight{padding:var(--sp-6) 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--c-brand);
  background:var(--c-brand-100);border-radius:var(--r-sm);
  padding:6px 12px;margin-bottom:18px;font-weight:700;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head p{font-size:17px;margin-bottom:0;}
.rule{height:1px;background:var(--c-line);border:0;margin:0;}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;padding:14px 0;background:rgba(247,244,239,.92);backdrop-filter:blur(8px);border-bottom:1px solid rgba(226,220,210,.7);}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:12px 16px;box-shadow:var(--sh-1);
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:var(--r-md);
  background:var(--c-brand);color:#F3EFE7;
  display:flex;align-items:center;justify-content:center;
  font-family:"Noto Serif SC",serif;font-size:20px;font-weight:600;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-family:"Noto Serif SC",serif;color:var(--c-ink);}
.brand-text em{font-style:normal;font-size:12px;color:var(--c-ink-2);letter-spacing:.08em;}
.nav-links{display:flex;align-items:center;gap:10px;flex:1 1 auto;margin-left:8px;}
.nav-chip{
  display:flex;flex-direction:column;gap:2px;
  background:var(--c-muted-bg);border:1px solid transparent;
  border-radius:var(--r-md);padding:8px 14px;
  color:var(--c-ink);transition:all .22s var(--ease);
}
.nav-chip .chip-label{font-size:14px;font-weight:700;}
.nav-chip .chip-note{font-size:12px;color:var(--c-ink-2);}
.nav-chip:hover{background:var(--c-brand-100);border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px);}
.nav-chip.active{background:var(--c-brand-100);border-color:var(--c-brand);color:var(--c-brand);}
.nav-chip.active .chip-note{color:var(--c-brand-600);}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);width:44px;height:44px;align-items:center;justify-content:center;color:var(--c-brand);
}
.nav-toggle:hover{background:var(--c-brand-100);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-md);font-weight:700;border:1px solid transparent;
  transition:all .22s var(--ease);text-align:center;
}
.btn-brand{background:var(--c-accent);color:#FFF6F1;border-color:var(--c-accent);}
.btn-brand:hover,.btn-brand:focus{background:#A94F2D;border-color:#A94F2D;color:#FFF6F1;transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-outline-brand{background:var(--c-surface);color:var(--c-brand);border-color:var(--c-brand);}
.btn-outline-brand:hover,.btn-outline-brand:focus{background:var(--c-brand-100);color:var(--c-brand);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--c-brand);border-color:transparent;padding-left:0;padding-right:0;}
.btn-ghost:hover{color:var(--c-brand-600);text-decoration:underline;}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-md{padding:12px 24px;font-size:15px;}
.btn-lg{padding:15px 30px;font-size:16px;}
.btn:disabled,.btn.disabled{background:var(--c-muted-bg);border-color:var(--c-line);color:#8C918E;pointer-events:none;}

/* ---------- 面包屑 & 页头 ---------- */
.crumb{font-size:13px;color:var(--c-ink-2);margin-bottom:16px;}
.crumb a{color:var(--c-ink-2);}
.crumb a:hover{color:var(--c-brand);}
.crumb span.sep{margin:0 8px;color:#B9B2A6;}
.crumb li{list-style:none;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;padding:0;margin:0;}
.crumb li.current{color:var(--c-brand);font-weight:700;}
.page-hero{padding:36px 0 0;}
.page-hero h1{margin-bottom:16px;}
.page-hero .lead{font-size:17px;max-width:720px;}
.banner{
  position:relative;margin-top:30px;border-radius:var(--r-lg);overflow:hidden;
  min-height:262px;border:1px solid var(--c-line);
  background-image:linear-gradient(100deg,rgba(18,70,58,.90),rgba(18,70,58,.45)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  display:flex;align-items:center;padding:38px;color:#F4F0E8;
}
.banner h2{color:#FBF8F2;font-size:26px;max-width:520px;margin-bottom:12px;}
.banner p{color:rgba(244,240,232,.86);margin:0;max-width:520px;font-size:15px;}
.banner-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.banner-badges span{
  font-size:13px;padding:6px 12px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);color:#FBF8F2;
}
.banner-arch{
  position:absolute;right:38px;bottom:0;width:120px;height:170px;
  border:1px solid rgba(255,255,255,.28);border-bottom:0;
  border-radius:60px 60px 0 0;opacity:.5;pointer-events:none;
}

/* ---------- 数据条 ---------- */
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:0;}
.stat-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);transition:all .22s var(--ease);
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-brand);}
.stat-card .num{font-family:"Noto Serif SC",serif;font-size:34px;color:var(--c-brand);font-variant-numeric:tabular-nums;line-height:1.1;}
.stat-card h3{font-size:17px;margin:10px 0 6px;font-family:"Noto Sans SC",sans-serif;font-weight:700;}
.stat-card p{font-size:14px;margin:0;line-height:1.8;}

/* ---------- 图文交替 ---------- */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.feature + .feature{margin-top:var(--sp-7);}
.feature-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid var(--c-line);background:var(--c-muted-bg);
}
.feature.reverse .feature-media{order:2;}
.feature-num{
  font-family:"Noto Serif SC",serif;font-size:14px;color:var(--c-accent);
  letter-spacing:.18em;font-weight:700;margin-bottom:12px;display:block;
}
.feature h2{font-size:28px;margin-bottom:14px;}
.feature p:last-of-type{margin-bottom:0;}
.check-list{list-style:none;padding:0;margin:20px 0 0;}
.check-list li{
  position:relative;padding-left:26px;font-size:15px;color:var(--c-ink-2);margin-bottom:10px;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:12px;
  border-radius:4px;background:var(--c-brand-100);border:1px solid var(--c-brand);
}

/* ---------- 场景卡 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);transition:all .22s var(--ease);height:100%;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-brand);}
.card h3{margin-bottom:10px;}
.card p{font-size:15px;margin:0;}
.card-icon{
  width:44px;height:44px;border-radius:var(--r-md);background:var(--c-brand-100);
  color:var(--c-brand);display:flex;align-items:center;justify-content:center;
  font-family:"Noto Serif SC",serif;font-weight:600;margin-bottom:16px;
}
.tag{
  display:inline-block;font-size:12px;padding:4px 10px;border-radius:var(--r-sm);
  background:var(--c-brand-100);color:var(--c-brand);font-weight:700;letter-spacing:.04em;
}
.tag--accent{background:var(--c-accent-soft);color:var(--c-accent);}
.tag--neutral{background:var(--c-muted-bg);color:var(--c-ink-2);}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;position:relative;}
.steps::before{
  content:"";position:absolute;top:34px;left:8%;right:8%;height:1px;background:var(--c-line);z-index:0;
}
.step{
  position:relative;z-index:1;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);
}
.step .idx{
  width:44px;height:44px;border-radius:var(--r-md);background:var(--c-brand);color:#F2EEE6;
  display:flex;align-items:center;justify-content:center;
  font-family:"Noto Serif SC",serif;font-weight:600;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14.5px;margin:0;}

/* ---------- 列表 ---------- */
.info-list{list-style:none;padding:0;margin:0;}
.info-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 0;border-bottom:1px dashed var(--c-line);margin:0;
}
.info-list li:last-child{border-bottom:0;}
.info-list .dot{
  flex:0 0 auto;width:10px;height:10px;border-radius:50%;background:var(--c-accent);margin-top:11px;
}
.info-list strong{color:var(--c-ink);font-weight:700;}
.info-list p{margin:4px 0 0;font-size:14.5px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.accordion-item{
  background:var(--c-surface);border:1px solid var(--c-line) !important;
  border-radius:var(--r-lg) !important;margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1);
}
.accordion-button{
  background:var(--c-surface);color:var(--c-ink);font-weight:700;font-size:16px;
  padding:20px 56px 20px 22px;border:0;box-shadow:none !important;
  font-family:"Noto Sans SC","PingFang SC",sans-serif;
}
.accordion-button:not(.collapsed){color:var(--c-brand);background:var(--c-brand-100);}
.accordion-button::after{
  content:"";background-image:none;width:14px;height:14px;
  border-right:2px solid var(--c-brand);border-bottom:2px solid var(--c-brand);
  transform:rotate(45deg);transition:transform .22s var(--ease);position:absolute;right:24px;top:26px;
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);}
.accordion-body{padding:4px 22px 22px;font-size:15.5px;color:var(--c-ink-2);border-left:3px solid var(--c-accent);margin-left:0;}

/* ---------- CTA ---------- */
.cta-block{
  background:var(--c-brand);border-radius:var(--r-lg);padding:48px;color:#F1EDE5;
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;
}
.cta-block h2{color:#FBF8F2;font-size:30px;margin-bottom:14px;}
.cta-block p{color:rgba(241,237,229,.82);}
.cta-points{list-style:none;padding:0;margin:24px 0 0;}
.cta-points li{position:relative;padding-left:24px;font-size:15px;color:rgba(241,237,229,.9);margin-bottom:10px;}
.cta-points li::before{
  content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:3px;background:var(--c-accent);
}
.form-card{background:var(--c-surface);border-radius:var(--r-lg);padding:30px;box-shadow:var(--sh-2);}
.form-card h3{font-size:20px;margin-bottom:6px;color:var(--c-ink);}
.form-card .form-hint{font-size:13px;color:var(--c-ink-2);margin-bottom:20px;}
.form-label{font-size:13px;font-weight:700;color:var(--c-ink);margin-bottom:6px;}
.form-control,.form-select{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:11px 14px;font-size:15px;color:var(--c-ink);min-height:46px;
}
.form-control:focus,.form-select:focus{
  border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(18,70,58,.14);background:var(--c-surface);color:var(--c-ink);
}
.form-control::placeholder{color:#9AA09D;}
.form-note{font-size:13px;color:var(--c-ink-2);margin:14px 0 0;}
.form-alert{
  display:none;margin-top:16px;font-size:14px;font-weight:700;color:var(--c-brand);
  background:var(--c-brand-100);border-radius:var(--r-md);padding:12px 14px;
}
.form-alert.show{display:block;}
.err{display:none;font-size:13px;color:var(--c-danger);margin-top:6px;}
.err.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-brand);color:rgba(241,237,229,.82);padding:72px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand strong{display:block;font-family:"Noto Serif SC",serif;font-size:20px;color:#FBF8F2;margin-bottom:12px;}
.footer-brand p{font-size:14px;color:rgba(241,237,229,.78);margin:0;}
.footer-col h4{color:#FBF8F2;font-size:15px;margin-bottom:16px;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:rgba(241,237,229,.82);font-size:14px;}
.footer-col a:hover{color:#FFFFFF;text-decoration:underline;}
.footer-col p{color:rgba(241,237,229,.78);font-size:14px;margin:0 0 8px;}
.footer-col p a{color:#F0C9B6;}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(241,237,229,.18);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(241,237,229,.66);font-variant-numeric:tabular-nums;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  h1{font-size:38px;}
  .feature{gap:40px;}
}
@media (max-width:991px){
  h1{font-size:32px;}
  h2{font-size:26px;}
  .section{padding:64px 0;}
  .nav-toggle{display:inline-flex;}
  .nav-links{
    display:none;position:absolute;left:24px;right:24px;top:calc(100% + 8px);
    flex-direction:column;align-items:stretch;gap:10px;
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
    padding:14px;box-shadow:var(--sh-2);margin-left:0;
  }
  .nav-links.open{display:flex;}
  .nav-panel{position:relative;flex-wrap:wrap;}
  .nav-chip{flex-direction:row;align-items:center;gap:10px;padding:12px 14px;background:var(--c-muted-bg);}
  .nav-chip .chip-note{font-size:12px;}
  .stat-row,.grid-3,.grid-2,.steps{grid-template-columns:1fr;}
  .steps::before{display:none;}
  .feature{grid-template-columns:1fr;}
  .feature.reverse .feature-media{order:0;}
  .feature + .feature{margin-top:56px;}
  .cta-block{grid-template-columns:1fr;padding:34px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .banner{min-height:200px;padding:28px;}
  .banner-arch{display:none;}
}
@media (max-width:575px){
  .container{padding:0 20px;}
  h1{font-size:28px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  body{font-size:16px;}
  .section{padding:56px 0;}
  .brand-text em{display:none;}
  .page-hero{padding-top:24px;}
  .banner{min-height:168px;border-radius:var(--r-md);}
  .banner h2{font-size:20px;}
  .cta-block{padding:26px 22px;border-radius:var(--r-md);}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .stat-card{padding:22px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  a:hover,.btn:hover,.card:hover,.stat-card:hover,.nav-chip:hover{transform:none !important;}
}

/* roulang page: category3 */
:root{
  --c-brand:#12463A;
  --c-brand-600:#1B5D4C;
  --c-brand-100:#E3EDE9;
  --c-accent:#C2603A;
  --c-accent-soft:#F3E3DA;
  --c-bg:#F7F4EF;
  --c-surface:#FFFFFF;
  --c-muted-bg:#EFEAE2;
  --c-ink:#171A19;
  --c-ink-2:#4A5250;
  --c-line:#E2DCD2;
  --c-danger:#B4432F;

  --r-lg:16px;
  --r-md:12px;
  --r-sm:8px;

  --sh-1:0 1px 2px rgba(23,26,25,.04), 0 8px 24px rgba(23,26,25,.06);
  --sh-2:0 2px 4px rgba(23,26,25,.06), 0 16px 36px rgba(23,26,25,.10);

  --t:.22s cubic-bezier(.2,.7,.3,1);

  --bs-primary:#12463A;
  --bs-primary-rgb:18,70,58;
  --bs-body-color:#171A19;
  --bs-body-bg:#F7F4EF;
  --bs-border-radius:12px;
  --bs-link-color:#12463A;
  --bs-link-hover-color:#C2603A;
  --bs-font-sans-serif:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}

body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--bs-font-sans-serif);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:"Noto Serif SC","Songti SC","SimSun",Georgia,serif;
  letter-spacing:-.01em;
  line-height:1.25;
  color:var(--c-ink);
  margin:0;
}

h1{font-size:44px;font-weight:600;}
h2{font-size:31px;font-weight:600;}
h3{font-size:21px;font-weight:600;}
h4{font-size:17px;font-weight:600;}

p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}

a{color:var(--c-brand);text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t);}
a:hover{color:var(--c-accent);}

img{max-width:100%;height:auto;display:block;}

ul,ol{margin:0;padding:0;list-style:none;}

button,input,select,textarea{font:inherit;color:inherit;}

:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  padding:14px 0 10px;
  background:linear-gradient(180deg,rgba(247,244,239,.96) 0%,rgba(247,244,239,.82) 70%,rgba(247,244,239,0) 100%);
  backdrop-filter:blur(6px);
}

.nav-panel{
  display:flex;
  align-items:center;
  gap:18px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:10px 14px;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--c-ink);
}
.brand:hover{color:var(--c-ink);}

.brand-mark{
  width:38px;height:38px;
  border-radius:11px;
  background:var(--c-brand);
  color:#F7F4EF;
  display:flex;align-items:center;justify-content:center;
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:19px;
  font-weight:600;
  flex:0 0 auto;
}

.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:12px;color:var(--c-ink-2);letter-spacing:.04em;}

.nav-links{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1 1 auto;
  justify-content:center;
  flex-wrap:wrap;
}

.nav-chip{
  display:flex;
  flex-direction:column;
  gap:1px;
  padding:7px 12px;
  border-radius:var(--r-md);
  background:var(--c-muted-bg);
  border:1px solid transparent;
  color:var(--c-ink);
  line-height:1.25;
  transition:background-color var(--t),border-color var(--t),transform var(--t);
}
.nav-chip .chip-label{font-size:14px;font-weight:600;}
.nav-chip .chip-note{font-size:11px;color:var(--c-ink-2);letter-spacing:.02em;}
.nav-chip:hover,.nav-chip:focus-visible{
  background:var(--c-brand-100);
  border-color:var(--c-brand);
  color:var(--c-brand);
  transform:translateY(-1px);
}
.nav-chip.active{
  background:var(--c-brand-100);
  border-color:var(--c-brand);
  color:var(--c-brand);
}
.nav-chip.active .chip-note{color:var(--c-brand-600);}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  border-radius:var(--r-md);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-brand);
  cursor:pointer;
  transition:background-color var(--t),border-color var(--t);
}
.nav-toggle:hover{background:var(--c-brand-100);border-color:var(--c-brand);}

.nav-cta{flex:0 0 auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-md);
  border:1px solid transparent;
  font-weight:600;
  letter-spacing:.02em;
  text-align:center;
  cursor:pointer;
  transition:transform var(--t),background-color var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
}
.btn:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;}

.btn-sm{padding:9px 16px;font-size:14px;}
.btn-md{padding:12px 22px;font-size:15px;}
.btn-lg{padding:15px 28px;font-size:16px;}

.btn-brand{
  background:var(--c-accent);
  border-color:var(--c-accent);
  color:#FFF8F4;
  box-shadow:0 6px 16px rgba(194,96,58,.22);
}
.btn-brand:hover,.btn-brand:focus-visible{
  background:#A94F2D;
  border-color:#A94F2D;
  color:#FFF8F4;
  transform:translateY(-1px);
  box-shadow:0 10px 22px rgba(194,96,58,.26);
}

.btn-ghost{
  background:var(--c-surface);
  border-color:var(--c-brand);
  color:var(--c-brand);
}
.btn-ghost:hover,.btn-ghost:focus-visible{
  background:var(--c-brand-100);
  color:var(--c-brand);
  transform:translateY(-1px);
}

.btn-link-plain{
  display:inline-flex;align-items:center;gap:6px;
  background:none;border:0;padding:4px 0;
  color:var(--c-brand);font-weight:600;
  border-bottom:1px dashed transparent;
}
.btn-link-plain:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}

/* ---------- 通用板块 ---------- */
main{display:block;}

.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-muted{background:var(--c-muted-bg);}

.section-head{max-width:760px;margin-bottom:38px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.12em;
  color:var(--c-brand-600);
  background:var(--c-brand-100);
  border-radius:6px;
  padding:5px 10px;
  margin-bottom:14px;
  font-weight:600;
}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--c-ink-2);font-size:16px;}

.badge-soft{
  display:inline-flex;align-items:center;
  font-size:12px;
  padding:4px 9px;
  border-radius:6px;
  background:var(--c-brand-100);
  color:var(--c-brand);
  font-weight:600;
  letter-spacing:.02em;
}
.badge-plain{
  display:inline-flex;align-items:center;
  font-size:12px;
  padding:4px 9px;
  border-radius:6px;
  background:var(--c-muted-bg);
  color:var(--c-ink-2);
  font-weight:600;
}
.badge-accent{
  display:inline-flex;align-items:center;
  font-size:12px;
  padding:4px 9px;
  border-radius:6px;
  background:var(--c-accent-soft);
  color:var(--c-accent);
  font-weight:600;
}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:6px;
  font-size:13.5px;
  color:var(--c-ink-2);
  padding:26px 0 14px;
}
.crumb a{color:var(--c-ink-2);}
.crumb a:hover{color:var(--c-brand);}
.crumb .sep{color:#B9B1A4;}
.crumb .current{color:var(--c-brand);font-weight:600;}

/* ---------- 页头 Hero ---------- */
.page-hero{padding-bottom:8px;}

.page-hero .hero-title-row{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:36px;
  align-items:center;
  margin-bottom:32px;
}

.page-hero h1{margin-bottom:16px;}
.page-hero .lead{
  font-size:17px;
  color:var(--c-ink-2);
  max-width:620px;
  margin-bottom:22px;
}

.hero-tags{display:flex;flex-wrap:wrap;gap:8px;}

.hero-banner{
  border-radius:var(--r-lg);
  border:1px solid var(--c-line);
  overflow:hidden;
  position:relative;
  min-height:260px;
  background-color:#DDE5E1;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh-1);
}
.hero-banner::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(18,70,58,.62) 0%,rgba(18,70,58,.28) 48%,rgba(18,70,58,.06) 100%);
}
.hero-banner-inner{
  position:relative;
  z-index:2;
  padding:36px 34px;
  max-width:520px;
  color:#F7F4EF;
  display:flex;
  flex-direction:column;
  gap:12px;
  justify-content:center;
  min-height:260px;
}
.hero-banner-inner .tag-line{
  display:inline-flex;align-self:flex-start;
  font-size:12px;letter-spacing:.1em;font-weight:600;
  background:rgba(247,244,239,.16);
  border:1px solid rgba(247,244,239,.36);
  color:#F7F4EF;
  border-radius:6px;
  padding:5px 10px;
}
.hero-banner-inner h2{color:#FFFDFA;font-size:24px;}
.hero-banner-inner p{color:rgba(247,244,239,.86);font-size:14.5px;margin:0;}

.stat-strip{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  margin-top:34px;
}
.stat-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:18px 20px;
  box-shadow:var(--sh-1);
}
.stat-card .num{
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  font-size:24px;
  font-weight:700;
  color:var(--c-brand);
  letter-spacing:-.01em;
}
.stat-card .label{font-size:13.5px;color:var(--c-ink-2);margin-top:4px;}

/* ---------- 对比双卡 ---------- */
.compare-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
}
.compare-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  display:flex;
  flex-direction:column;
  gap:16px;
}
.compare-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-brand);}
.compare-card.is-featured{
  border-color:var(--c-brand);
  background:linear-gradient(180deg,#FBFDFC 0%,#FFFFFF 46%);
  position:relative;
}
.compare-card.is-featured::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:4px;
  border-radius:var(--r-lg) var(--r-lg) 0 0;
  background:var(--c-accent);
}
.compare-card h3{margin-bottom:4px;}
.compare-card .card-note{font-size:14px;color:var(--c-ink-2);margin:0;}
.compare-cover{
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--c-line);
  background:var(--c-muted-bg);
  aspect-ratio:4/3;
}
.compare-cover img{width:100%;height:100%;object-fit:cover;}

.check-list{display:flex;flex-direction:column;gap:10px;margin-top:2px;}
.check-list li{
  display:flex;gap:10px;
  font-size:15px;
  color:var(--c-ink-2);
  line-height:1.7;
}
.check-list li .dot{
  flex:0 0 auto;
  width:18px;height:18px;
  margin-top:5px;
  border-radius:6px;
  background:var(--c-brand-100);
  color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;
}
.check-list li.muted .dot{background:var(--c-muted-bg);color:var(--c-ink-2);}

/* ---------- 信息表 ---------- */
.table-wrap{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:8px 8px;
  overflow:hidden;
}
.sync-table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  margin:0;
}
.sync-table thead th{
  background:var(--c-muted-bg);
  color:var(--c-brand);
  font-size:13.5px;
  font-weight:600;
  letter-spacing:.04em;
  text-align:left;
  padding:14px 18px;
  border:0;
}
.sync-table thead th:first-child{border-radius:10px 0 0 10px;}
.sync-table thead th:last-child{border-radius:0 10px 10px 0;}
.sync-table tbody td{
  padding:16px 18px;
  font-size:15px;
  color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);
  vertical-align:top;
  background:transparent;
}
.sync-table tbody tr:last-child td{border-bottom:0;}
.sync-table tbody td:first-child{
  color:var(--c-ink);
  font-weight:600;
  white-space:nowrap;
}
.sync-table tbody tr:hover td{background:#FBF9F5;}

/* ---------- 同步范围 ---------- */
.scope-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.scope-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:22px 20px;
  box-shadow:var(--sh-1);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.scope-card:hover{transform:translateY(-2px);border-color:var(--c-brand);box-shadow:var(--sh-2);}
.scope-card .scope-icon{
  width:40px;height:40px;
  border-radius:11px;
  background:var(--c-brand-100);
  color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:14px;
}
.scope-card h3{font-size:17px;margin-bottom:8px;}
.scope-card p{font-size:14px;color:var(--c-ink-2);margin:0;}

.flow-line{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  margin-top:34px;
  counter-reset:flow;
}
.flow-step{
  position:relative;
  padding:0 16px;
  counter-increment:flow;
}
.flow-step::before{
  content:counter(flow,decimal-leading-zero);
  display:block;
  font-family:"SFMono-Regular",Consolas,monospace;
  font-size:13px;
  font-weight:700;
  color:var(--c-accent);
  margin-bottom:8px;
}
.flow-step::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-14px;
  height:1px;
  background:var(--c-line);
}
.flow-step:first-child::after{left:16px;}
.flow-step:last-child::after{right:16px;}
.flow-step h4{font-size:15.5px;margin-bottom:6px;}
.flow-step p{font-size:13.5px;color:var(--c-ink-2);margin:0;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item:hover{border-color:#CFC7B9;}
.faq-item.open{border-color:var(--c-brand);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;
  padding:18px 22px;
  text-align:left;
  font-size:16px;font-weight:600;
  color:var(--c-ink);
  cursor:pointer;
  position:relative;
}
.faq-item.open .faq-q{color:var(--c-brand);}
.faq-item.open .faq-q::before{
  content:"";
  position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--c-accent);
  border-radius:0 3px 3px 0;
}
.faq-mark{
  flex:0 0 auto;
  width:22px;height:22px;
  border-radius:6px;
  background:var(--c-muted-bg);
  color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;
  line-height:1;
}
.faq-item.open .faq-mark{background:var(--c-accent-soft);color:var(--c-accent);}
.faq-a{
  display:none;
  padding:0 22px 20px 22px;
  font-size:15px;
  color:var(--c-ink-2);
  line-height:1.85;
}
.faq-item.open .faq-a{display:block;}

/* ---------- CTA ---------- */
.cta-block{
  background:var(--c-brand);
  border-radius:var(--r-lg);
  padding:52px 46px;
  color:#F2EFE9;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,420px);
  gap:42px;
  align-items:start;
  position:relative;
  overflow:hidden;
}
.cta-block::after{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:280px;height:280px;
  border-radius:50%;
  border:1px solid rgba(226,220,210,.18);
  pointer-events:none;
}
.cta-block h2{color:#FFFDFA;margin-bottom:14px;}
.cta-block p{color:rgba(242,239,233,.84);font-size:15.5px;}
.cta-points{display:flex;flex-direction:column;gap:12px;margin-top:26px;}
.cta-points li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:rgba(242,239,233,.9);
}
.cta-points .tick{
  flex:0 0 auto;width:18px;height:18px;margin-top:5px;
  border-radius:6px;background:rgba(194,96,58,.85);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;color:#FFF8F4;
}

.form-card{
  background:var(--c-surface);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-2);
  color:var(--c-ink);
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-hint{font-size:13.5px;color:var(--c-ink-2);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--c-ink-2);
  margin-bottom:6px;
  letter-spacing:.02em;
}
.field .control{
  width:100%;
  min-height:46px;
  padding:11px 14px;
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  background:var(--c-surface);
  font-size:15px;
  transition:border-color var(--t),box-shadow var(--t);
}
.field .control:focus{
  outline:none;
  border-color:var(--c-brand);
  box-shadow:0 0 0 3px rgba(18,70,58,.14);
}
.field .control::placeholder{color:#9AA29F;}
.field select.control{appearance:none;background-image:none;cursor:pointer;}
.form-note{font-size:12.5px;color:var(--c-ink-2);margin-top:12px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-brand);
  color:#E9E5DE;
  margin-top:96px;
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) repeat(3,minmax(0,1fr));
  gap:34px;
  padding-bottom:38px;
  border-bottom:1px solid rgba(226,220,210,.18);
}
.footer-brand strong{
  display:block;
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:19px;
  color:#FFFDFA;
  margin-bottom:12px;
}
.footer-brand p{font-size:14px;color:rgba(233,229,222,.76);max-width:340px;}
.footer-col h4{
  font-size:14px;
  color:#FFFDFA;
  margin-bottom:14px;
  letter-spacing:.04em;
}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col a{color:rgba(233,229,222,.82);font-size:14px;}
.footer-col a:hover{color:#F0A386;}
.footer-col p{font-size:14px;color:rgba(233,229,222,.76);margin-bottom:9px;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding-top:20px;
  font-size:13px;
  color:rgba(233,229,222,.66);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  h1{font-size:38px;}
  .scope-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media (max-width:991.98px){
  .nav-toggle{display:flex;}
  .nav-links{
    position:absolute;
    top:calc(100% + 10px);
    left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:8px;
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-lg);
    box-shadow:var(--sh-2);
    padding:14px;
    z-index:1040;
  }
  .nav-links.open{display:flex;}
  .nav-chip{flex-direction:row;align-items:baseline;gap:8px;padding:11px 14px;}
  .nav-panel{position:relative;}
  .nav-cta{margin-left:auto;}

  .section{padding:64px 0;}
  .page-hero .hero-title-row{grid-template-columns:1fr;gap:26px;}
  .compare-grid{grid-template-columns:1fr;}
  .cta-block{grid-template-columns:1fr;padding:40px 28px;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .flow-line{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 0;}
  .flow-step:nth-child(2)::after{right:16px;}
}

@media (max-width:767.98px){
  .container{padding:0 20px;}
  h1{font-size:29px;}
  h2{font-size:23px;}
  h3{font-size:18px;}
  body{font-size:16px;}

  .stat-strip{grid-template-columns:1fr;gap:12px;}
  .scope-grid{grid-template-columns:1fr;}
  .hero-banner{min-height:170px;}
  .hero-banner-inner{min-height:170px;padding:24px 22px;}
  .hero-banner-inner h2{font-size:20px;}
  .hero-banner-inner p{display:none;}

  .table-wrap{padding:0;background:transparent;border:0;box-shadow:none;}
  .sync-table thead{display:none;}
  .sync-table tbody, .sync-table tr, .sync-table td{display:block;width:100%;}
  .sync-table tbody tr{
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-md);
    padding:14px 16px;
    margin-bottom:12px;
    box-shadow:var(--sh-1);
  }
  .sync-table tbody td{
    border-bottom:0;
    padding:6px 0;
    display:flex;
    justify-content:space-between;
    gap:14px;
    font-size:14px;
  }
  .sync-table tbody td::before{
    content:attr(data-label);
    flex:0 0 auto;
    color:var(--c-ink-2);
    font-size:13px;
    font-weight:600;
  }
  .sync-table tbody td:first-child{
    border-bottom:1px dashed var(--c-line);
    padding-bottom:10px;
    margin-bottom:8px;
    font-size:16px;
  }
  .sync-table tbody td:first-child::before{content:none;}
  .sync-table tbody tr:hover td{background:transparent;}

  .flow-line{grid-template-columns:1fr;gap:24px;}
  .flow-step{padding:0 0 0 16px;border-left:2px solid var(--c-line);}
  .flow-step::after{display:none;}

  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .form-card{padding:22px;}
  .cta-block{padding:32px 22px;}
}

@media (max-width:519.98px){
  .brand-text em{display:none;}
  .nav-cta{padding:8px 12px;font-size:13px;}
  .compare-card{padding:22px;}
  .btn-lg{width:100%;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .btn:hover,.nav-chip:hover,.compare-card:hover,.scope-card:hover{transform:none !important;}
}

/* roulang page: category2 */
:root{
  --c-brand:#12463A;
  --c-brand-600:#1B5D4C;
  --c-brand-100:#E3EDE9;
  --c-accent:#C2603A;
  --c-accent-soft:#F3E3DA;
  --c-bg:#F7F4EF;
  --c-surface:#FFFFFF;
  --c-muted-bg:#EFEAE2;
  --c-ink:#171A19;
  --c-ink-2:#4A5250;
  --c-line:#E2DCD2;
  --c-danger:#B4432F;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:8px;
  --sh-1:0 1px 2px rgba(23,26,25,.04),0 8px 24px rgba(23,26,25,.06);
  --sh-2:0 2px 4px rgba(23,26,25,.06),0 14px 34px rgba(23,26,25,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#12463A;
  --bs-body-color:#171A19;
  --bs-body-bg:#F7F4EF;
  --bs-border-color:#E2DCD2;
  --bs-border-radius:12px;
  --bs-border-radius-lg:16px;
  --bs-link-color:#12463A;
  --bs-link-hover-color:#C2603A;
  --bs-font-sans-serif:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:"Noto Serif SC","Songti SC",serif;font-weight:600;letter-spacing:-.01em;line-height:1.3;color:var(--c-ink);}
p{margin:0 0 1em;}
a{color:var(--c-brand);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--c-accent);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;}
.container{max-width:1200px;width:100%;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  padding:14px 0;
  background:linear-gradient(180deg,rgba(247,244,239,.97),rgba(247,244,239,.86));
  backdrop-filter:blur(8px);
}
.nav-panel{
  position:relative;
  display:flex;
  align-items:center;
  gap:16px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:12px 16px;
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;text-decoration:none;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;
  display:grid;place-items:center;
  border-radius:11px;
  background:var(--c-brand);
  color:#F4EFE7;
  font-family:"Noto Serif SC",serif;
  font-size:19px;
  font-weight:600;
}
.brand-text strong{display:block;font-family:"Noto Serif SC",serif;font-size:16px;line-height:1.2;color:var(--c-ink);}
.brand-text em{display:block;font-style:normal;font-size:11.5px;line-height:1.4;color:var(--c-ink-2);}
.nav-links{display:flex;align-items:stretch;gap:8px;margin-left:auto;}
.nav-chip{
  display:flex;flex-direction:column;justify-content:center;
  min-width:106px;
  padding:8px 12px;
  border-radius:12px;
  background:var(--c-muted-bg);
  border:1px solid transparent;
  text-decoration:none;
  transition:background .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.nav-chip .chip-label{font-size:14px;font-weight:600;line-height:1.25;color:var(--c-ink);}
.nav-chip .chip-note{font-size:11px;line-height:1.35;color:var(--c-ink-2);}
.nav-chip:hover{background:var(--c-brand-100);border-color:var(--c-brand);transform:translateY(-2px);}
.nav-chip.active{background:var(--c-brand-100);border-color:var(--c-brand);}
.nav-chip.active .chip-label{color:var(--c-brand);}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--c-line);
  background:#fff;
  color:var(--c-brand);
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:background .22s var(--ease),border-color .22s var(--ease);
}
.nav-toggle:hover{background:var(--c-brand-100);border-color:var(--c-brand);}

/* ---------- 按钮 ---------- */
.btn{border-radius:12px;font-weight:600;transition:all .22s var(--ease);}
.btn-brand{
  background:var(--c-accent);
  border:1px solid var(--c-accent);
  color:#fff;
  padding:11px 22px;
  font-size:15px;
  min-height:44px;
  display:inline-flex;align-items:center;justify-content:center;
}
.btn-brand:hover,.btn-brand:focus{background:#A94F2D;border-color:#A94F2D;color:#fff;transform:translateY(-1px);}
.btn-brand:active{transform:translateY(0);}
.btn-brand.btn-sm{padding:9px 16px;font-size:14px;min-height:40px;}
.btn-outline-brand{
  background:#fff;
  border:1px solid var(--c-brand);
  color:var(--c-brand);
  padding:11px 22px;
  font-size:15px;
  min-height:44px;
  display:inline-flex;align-items:center;justify-content:center;
}
.btn-outline-brand:hover,.btn-outline-brand:focus{background:var(--c-brand-100);color:var(--c-brand);border-color:var(--c-brand);transform:translateY(-1px);}
.btn-ghost{
  background:transparent;border:0;color:var(--c-brand);
  padding:6px 2px;font-size:15px;font-weight:600;
}
.btn-ghost:hover{color:var(--c-accent);text-decoration:underline;}

.badge-soft{
  display:inline-flex;align-items:center;
  padding:5px 11px;
  border-radius:6px;
  background:var(--c-brand-100);
  color:var(--c-brand);
  font-size:12px;
  font-weight:600;
  line-height:1.5;
}
.badge-neutral{
  display:inline-flex;align-items:center;
  padding:5px 11px;
  border-radius:6px;
  background:var(--c-muted-bg);
  color:var(--c-ink-2);
  font-size:12px;
  font-weight:600;
  line-height:1.5;
}

/* ---------- 页头 ---------- */
.page-head{padding:44px 0 30px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--c-ink-2);margin-bottom:16px;}
.crumb a{color:var(--c-ink-2);}
.crumb a:hover{color:var(--c-brand);}
.crumb-cur{color:var(--c-brand);font-weight:600;}
.page-head h1{
  font-size:44px;
  line-height:1.24;
  margin:0 0 16px;
  max-width:900px;
}
.page-head .lead{font-size:17px;line-height:1.85;color:var(--c-ink-2);max-width:760px;margin-bottom:20px;}
.head-tags{display:flex;flex-wrap:wrap;gap:8px;}

.banner{position:relative;height:272px;overflow:hidden;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);background:var(--c-muted-bg);}
.banner img{width:100%;height:100%;object-fit:cover;}
.banner-mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,70,58,.86),rgba(18,70,58,.5) 55%,rgba(18,70,58,.24));}
.banner-inner{position:relative;height:100%;display:flex;flex-direction:column;justify-content:center;gap:12px;color:#EAF1EE;}
.banner-tag{
  display:inline-flex;align-self:flex-start;
  padding:6px 12px;border-radius:6px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.3);
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
}
.banner-inner p{font-family:"Noto Serif SC",serif;font-size:23px;line-height:1.5;margin:0;max-width:620px;color:#fff;}

/* ---------- 板块 ---------- */
.section{padding:96px 0;}
.section-muted{background:var(--c-muted-bg);}
.sec-head{max-width:740px;margin-bottom:40px;}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--c-accent);margin-bottom:10px;}
.sec-head h2{font-size:31px;margin:0 0 12px;}
.sec-head p{color:var(--c-ink-2);margin:0;}

.figure{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);background:var(--c-muted-bg);box-shadow:var(--sh-1);}
.figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}

/* ---------- 任务清单 ---------- */
.task-list{list-style:none;display:grid;gap:14px;}
.task-item{
  display:flex;gap:16px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:20px;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.task-item:hover{transform:translateY(-2px);border-color:var(--c-brand);box-shadow:var(--sh-2);}
.task-idx{
  flex:0 0 34px;height:34px;
  display:grid;place-items:center;
  border-radius:10px;
  background:var(--c-brand-100);
  color:var(--c-brand);
  font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.task-item h3{font-size:19px;margin:0 0 6px;}
.task-item p{margin:0;font-size:15px;color:var(--c-ink-2);}

/* ---------- 时间轴 ---------- */
.route-bar{display:flex;gap:8px;margin-bottom:30px;max-width:720px;}
.route-bar span{height:6px;flex:1;border-radius:99px;background:rgba(18,70,58,.16);}
.route-bar span.done{background:var(--c-brand);}
.timeline{list-style:none;position:relative;padding-left:30px;max-width:860px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--c-brand),rgba(18,70,58,.12));
}
.tl-item{position:relative;padding-bottom:20px;}
.tl-dot{
  position:absolute;left:-30px;top:24px;
  width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--c-brand);
}
.tl-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:22px 24px;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.tl-card:hover{transform:translateY(-2px);border-color:var(--c-brand);box-shadow:var(--sh-2);}
.tl-num{
  display:inline-block;
  font-size:12px;font-weight:700;
  letter-spacing:.08em;
  color:var(--c-accent);
  background:var(--c-accent-soft);
  padding:3px 9px;
  border-radius:6px;
  margin-bottom:10px;
  font-variant-numeric:tabular-nums;
}
.tl-card h3{font-size:20px;margin:0 0 8px;}
.tl-card p{margin:0;color:var(--c-ink-2);font-size:15.5px;}

/* ---------- 路径卡 ---------- */
.path-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(248px,1fr));gap:20px;}
.path-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.path-card:hover{transform:translateY(-2px);border-color:var(--c-brand);box-shadow:var(--sh-2);}
.path-tag{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:6px;
  background:var(--c-brand-100);color:var(--c-brand);
  font-size:12px;font-weight:600;margin-bottom:12px;
}
.path-card h3{font-size:19px;margin:0 0 8px;}
.path-card p{margin:0;font-size:15px;color:var(--c-ink-2);}

/* ---------- 对照表 ---------- */
.table-wrap{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.cmp-table{width:100%;border-collapse:collapse;}
.cmp-table th,.cmp-table td{padding:16px 24px;text-align:left;font-size:15px;vertical-align:top;}
.cmp-table thead th{
  background:var(--c-brand-100);
  color:var(--c-brand);
  font-size:14px;font-weight:700;
  border-bottom:1px solid var(--c-line);
}
.cmp-table tbody tr{border-bottom:1px solid var(--c-line);}
.cmp-table tbody tr:last-child{border-bottom:0;}
.cmp-table tbody tr:hover{background:#FBF9F5;}
.cmp-table td:first-child{font-weight:600;color:var(--c-ink);}
.cmp-table td{color:var(--c-ink-2);}

/* ---------- FAQ ---------- */
.faq{max-width:880px;}
.faq .accordion-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.faq .accordion-button{
  width:100%;
  position:relative;
  background:var(--c-surface);
  color:var(--c-ink);
  border:0;
  box-shadow:none;
  font-family:"Noto Serif SC",serif;
  font-size:18px;
  font-weight:600;
  text-align:left;
  padding:20px 56px 20px 24px;
  line-height:1.5;
}
.faq .accordion-button:focus{box-shadow:none;border-color:var(--c-line);}
.faq .accordion-button:not(.collapsed){
  color:var(--c-brand);
  background:var(--c-surface);
  box-shadow:inset 3px 0 0 var(--c-accent);
}
.faq .accordion-button::after{
  content:"";
  position:absolute;right:24px;top:50%;
  width:16px;height:16px;margin-top:-8px;
  background-image:linear-gradient(currentColor,currentColor),linear-gradient(currentColor,currentColor);
  background-size:16px 2px,2px 16px;
  background-position:center,center;
  background-repeat:no-repeat;
  transition:transform .22s var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(135deg);}
.faq .accordion-body{padding:0 24px 22px;color:var(--c-ink-2);font-size:15.5px;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-block{
  position:relative;
  background:var(--c-brand);
  border-radius:20px;
  padding:52px;
  color:#E6EFEB;
  overflow:hidden;
}
.cta-block::after{
  content:"";position:absolute;right:-80px;bottom:-120px;
  width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(255,255,255,.14);
}
.cta-grid{position:relative;display:grid;grid-template-columns:1fr 420px;gap:48px;align-items:start;}
.cta-copy h2{color:#fff;font-size:31px;margin:0 0 14px;}
.cta-copy .cta-sub{color:rgba(230,239,235,.82);font-size:16px;margin-bottom:24px;max-width:520px;}
.trust-list{list-style:none;display:grid;gap:12px;}
.trust-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:rgba(230,239,235,.9);}
.trust-list li::before{
  content:"";flex:0 0 16px;height:16px;margin-top:6px;
  border-radius:50%;border:1.5px solid var(--c-accent);
  background:radial-gradient(circle,var(--c-accent) 0 3.5px,transparent 4px);
}
.cta-form{
  background:var(--c-surface);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-2);
}
.cta-form h3{font-size:20px;margin:0 0 6px;}
.cta-form .form-hint{font-size:13.5px;color:var(--c-ink-2);margin:0 0 18px;}
.cta-form .form-label{font-size:13px;font-weight:600;color:var(--c-ink-2);margin-bottom:6px;}
.cta-form .form-control,.cta-form .form-select{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:12px;
  padding:11px 14px;
  font-size:15px;
  color:var(--c-ink);
  min-height:46px;
  box-shadow:none;
}
.cta-form .form-control::placeholder{color:#9AA29F;}
.cta-form .form-control:focus,.cta-form .form-select:focus{
  border-color:var(--c-brand);
  box-shadow:0 0 0 3px rgba(18,70,58,.14);
}
.cta-form .btn-brand{width:100%;margin-top:6px;}
.cta-form .form-note{font-size:12.5px;color:var(--c-ink-2);margin:12px 0 0;text-align:center;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-brand);color:#DCE6E2;padding:64px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand strong{display:block;font-family:"Noto Serif SC",serif;font-size:19px;color:#fff;margin-bottom:12px;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(220,230,226,.76);margin:0;max-width:340px;}
.footer-col h4{font-size:14px;color:#fff;margin:0 0 14px;letter-spacing:.04em;font-weight:600;}
.footer-col ul{list-style:none;display:grid;gap:10px;}
.footer-col a{color:rgba(220,230,226,.82);font-size:14px;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-col p{font-size:14px;color:rgba(220,230,226,.76);margin:0 0 8px;}
.footer-col p a{color:#fff;text-decoration:underline;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  margin-top:40px;padding-top:20px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(220,230,226,.66);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .page-head h1{font-size:40px;}
  .cta-grid{grid-template-columns:1fr 380px;gap:36px;}
}
@media (max-width:991.98px){
  .nav-toggle{display:flex;order:3;}
  .brand{order:1;}
  .nav-cta{order:2;margin-left:auto;}
  .nav-links{
    order:4;
    display:none;
    position:absolute;
    left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;
    margin-left:0;
    gap:8px;
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-lg);
    box-shadow:var(--sh-2);
    padding:12px;
  }
  .nav-links.open{display:flex;}
  .nav-chip{min-width:0;width:100%;}
  .page-head{padding:32px 0 24px;}
  .page-head h1{font-size:32px;}
  .banner{height:200px;}
  .banner-inner p{font-size:19px;}
  .section{padding:64px 0;}
  .sec-head h2{font-size:26px;}
  .cta-block{padding:36px;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container{padding-left:20px;padding-right:20px;}
  .site-header{padding:10px 0;}
  .brand-text em{display:none;}
  .page-head h1{font-size:28px;}
  .banner{height:164px;}
  .banner-inner p{font-size:17px;}
  .banner-tag{font-size:11.5px;}
  .section{padding:56px 0;}
  .sec-head{margin-bottom:28px;}
  .sec-head h2{font-size:23px;}
  .tl-card{padding:18px;}
  .tl-card h3{font-size:18px;}
  .cta-block{padding:24px;border-radius:16px;}
  .cta-copy h2{font-size:24px;}
  .cta-form{padding:22px;}
  .faq .accordion-button{font-size:16.5px;padding:16px 48px 16px 18px;}
  .faq .accordion-body{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:575.98px){
  .cmp-table thead{display:none;}
  .cmp-table,.cmp-table tbody,.cmp-table tr,.cmp-table td{display:block;width:100%;}
  .cmp-table tr{
    border:1px solid var(--c-line);
    border-radius:12px;
    padding:12px 14px;
    margin:12px;
    background:#fff;
  }
  .cmp-table tr:last-child{border:1px solid var(--c-line);}
  .cmp-table td{
    display:flex;
    justify-content:space-between;
    gap:16px;
    padding:7px 0;
    border:0;
    font-size:14.5px;
  }
  .cmp-table td::before{
    content:attr(data-label);
    color:var(--c-ink-2);
    font-weight:600;
    flex:0 0 auto;
  }
  .cmp-table td:first-child{
    border-bottom:1px dashed var(--c-line);
    padding-bottom:12px;
    margin-bottom:6px;
    color:var(--c-brand);
  }
  .table-wrap{background:transparent;border:0;box-shadow:none;}
  .task-item{flex-direction:column;gap:10px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .nav-chip:hover,.task-item:hover,.tl-card:hover,.path-card:hover,.btn-brand:hover,.btn-outline-brand:hover{transform:none;}
}

/* roulang page: category4 */
:root{
  --c-brand:#12463A;
  --c-brand-600:#1B5D4C;
  --c-brand-100:#E3EDE9;
  --c-accent:#C2603A;
  --c-accent-soft:#F3E3DA;
  --c-bg:#F7F4EF;
  --c-surface:#FFFFFF;
  --c-muted-bg:#EFEAE2;
  --c-ink:#171A19;
  --c-ink-2:#4A5250;
  --c-line:#E2DCD2;
  --c-danger:#B4432F;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r-xl:24px;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:6px;
  --sh-1:0 1px 2px rgba(23,26,25,.04), 0 8px 24px rgba(23,26,25,.06);
  --sh-2:0 2px 6px rgba(23,26,25,.06), 0 16px 36px rgba(23,26,25,.10);
  --ease:.22s cubic-bezier(.2,.7,.3,1);
  --bs-primary:#12463A;
  --bs-body-color:#171A19;
  --bs-body-bg:#F7F4EF;
  --bs-border-radius:12px;
  --bs-link-color:#1B5D4C;
  --bs-link-hover-color:#12463A;
  --bs-font-sans-serif:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-brand-600);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease)}
a:hover{color:var(--c-brand)}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;letter-spacing:-.01em;line-height:1.25;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px}
.container{max-width:1200px;padding-left:24px;padding-right:24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.muted-band{background:var(--c-muted-bg)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-md);border:1px solid transparent;font-family:var(--font-sans);font-size:15px;font-weight:600;letter-spacing:.02em;padding:0 22px;height:46px;cursor:pointer;transition:transform var(--ease),background-color var(--ease),border-color var(--ease),color var(--ease),box-shadow var(--ease)}
.btn:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px}
.btn-brand{background:var(--c-accent);color:#FFF6F1;border-color:var(--c-accent)}
.btn-brand:hover{background:#A94F2D;border-color:#A94F2D;color:#FFF6F1;transform:translateY(-1px)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--c-brand);border-color:var(--c-brand)}
.btn-ghost:hover{background:var(--c-brand-100)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-block{width:100%}
.btn[disabled],.btn-disabled{background:var(--c-muted-bg);color:#9AA29F;border-color:var(--c-line);cursor:not-allowed;transform:none}

/* ---------- 徽章 ---------- */
.badge-soft{display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1;padding:7px 10px;border-radius:var(--r-sm);background:var(--c-brand-100);color:var(--c-brand);font-weight:600;letter-spacing:.02em}
.badge-neutral{background:var(--c-muted-bg);color:var(--c-ink-2)}
.badge-accent{background:var(--c-accent-soft);color:#96482A}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,244,239,.92);backdrop-filter:blur(8px);border-bottom:1px solid rgba(226,220,210,.7)}
.nav-panel{display:flex;align-items:center;gap:18px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:12px 16px;margin:14px 0}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--c-ink)}
.brand:hover{color:var(--c-ink)}
.brand-mark{width:40px;height:40px;border-radius:var(--r-md);background:var(--c-brand);color:#F3EFE7;display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-size:19px;font-weight:600}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-family:var(--font-serif);font-size:17px;font-weight:600}
.brand-text em{font-style:normal;font-size:12px;color:var(--c-ink-2);letter-spacing:.04em}
.nav-toggle{display:none;width:42px;height:42px;align-items:center;justify-content:center;border:1px solid var(--c-line);border-radius:var(--r-md);background:var(--c-muted-bg);color:var(--c-brand);cursor:pointer;transition:background-color var(--ease),border-color var(--ease)}
.nav-toggle:hover{background:var(--c-brand-100);border-color:var(--c-brand)}
.nav-links{display:flex;align-items:center;gap:10px;margin-left:auto;flex-wrap:wrap}
.nav-chip{display:flex;flex-direction:column;gap:2px;padding:8px 14px;border-radius:var(--r-md);background:var(--c-muted-bg);border:1px solid transparent;transition:background-color var(--ease),border-color var(--ease),transform var(--ease)}
.nav-chip .chip-label{font-size:14px;font-weight:600;color:var(--c-ink);line-height:1.3}
.nav-chip .chip-note{font-size:11.5px;color:var(--c-ink-2);line-height:1.3;letter-spacing:.02em}
.nav-chip:hover{background:var(--c-brand-100);border-color:var(--c-brand);transform:translateY(-1px)}
.nav-chip.active{background:var(--c-brand-100);border-color:var(--c-brand)}
.nav-chip.active .chip-label{color:var(--c-brand)}
.nav-cta{flex:0 0 auto}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--c-ink-2);margin-bottom:16px}
.crumb a{color:var(--c-ink-2)}
.crumb a:hover{color:var(--c-brand)}
.crumb .sep{opacity:.6}
.crumb .current{color:var(--c-accent);font-weight:600}

/* ---------- Hero 横幅 ---------- */
.page-hero{position:relative;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1);margin-top:26px}
.page-hero::after{content:"";position:absolute;inset:0;background:
  linear-gradient(115deg,rgba(18,70,58,.92) 0%,rgba(18,70,58,.78) 48%,rgba(18,70,58,.42) 100%)}
.page-hero .hero-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.page-hero .hero-inner{position:relative;z-index:2;padding:60px 56px 56px;max-width:820px;color:#F4F1EA}
.page-hero .crumb{color:rgba(244,241,234,.78);margin-bottom:18px}
.page-hero .crumb a{color:rgba(244,241,234,.82)}
.page-hero .crumb a:hover{color:#fff}
.page-hero .crumb .current{color:#F0C6AF}
.page-hero h1{font-size:44px;color:#FFFFFF;letter-spacing:-.015em}
.page-hero .lead{margin-top:18px;font-size:17px;color:rgba(244,241,234,.9);max-width:660px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags .tag{display:inline-flex;align-items:center;gap:7px;font-size:13px;padding:8px 13px;border-radius:var(--r-sm);background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);color:#F4F1EA;font-weight:600}
.hero-tags .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block}

/* ---------- 板块标题 ---------- */
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-accent);letter-spacing:.1em;margin-bottom:12px}
.sec-head .eyebrow::before{content:"";width:26px;height:2px;background:var(--c-accent);display:inline-block}
.sec-head h2{font-size:31px}
.sec-head p{margin-top:14px;color:var(--c-ink-2);font-size:16.5px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head--center .eyebrow{justify-content:center}

/* ---------- 图标网格 ---------- */
.icon-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.icon-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px 26px;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.icon-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-brand)}
.icon-badge{width:46px;height:46px;border-radius:var(--r-md);background:var(--c-brand-100);color:var(--c-brand);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.icon-card h3{font-size:20px}
.icon-card p{margin-top:10px;color:var(--c-ink-2);font-size:15.5px;line-height:1.8}
.icon-card .meta{margin-top:16px;display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--c-ink-2);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center}
.split .media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1);background:var(--c-muted-bg)}
.split .media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split h2{font-size:30px}
.split p.intro{margin-top:16px;color:var(--c-ink-2)}
.checklist{margin-top:24px}
.checklist li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--c-line)}
.checklist li:last-child{border-bottom:0}
.checklist .mark{flex:0 0 26px;width:26px;height:26px;border-radius:var(--r-sm);background:var(--c-accent-soft);color:#96482A;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
.checklist strong{display:block;font-family:var(--font-sans);font-size:15.5px;font-weight:600;color:var(--c-ink);margin-bottom:4px}
.checklist span{color:var(--c-ink-2);font-size:15px;line-height:1.75}

/* ---------- 手风琴 ---------- */
.acc .accordion-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1)}
.acc .accordion-button{background:var(--c-surface);color:var(--c-ink);font-family:var(--font-serif);font-size:19px;font-weight:600;line-height:1.5;padding:20px 22px 20px 24px;border-left:3px solid transparent;box-shadow:none;transition:background-color var(--ease),border-color var(--ease),color var(--ease)}
.acc .accordion-button:not(.collapsed){color:var(--c-brand);border-left-color:var(--c-accent);background:var(--c-surface)}
.acc .accordion-button:focus{box-shadow:none;outline:none}
.acc .accordion-button:focus-visible{outline:2px solid var(--c-brand);outline-offset:-2px}
.acc .accordion-button::after{content:"+";background-image:none;width:28px;height:28px;flex:0 0 28px;margin-left:16px;border-radius:var(--r-sm);background-color:var(--c-brand-100);color:var(--c-brand);font-family:var(--font-sans);font-size:18px;font-weight:600;line-height:1;display:flex;align-items:center;justify-content:center;transform:none;transition:background-color var(--ease),color var(--ease)}
.acc .accordion-button:not(.collapsed)::after{content:"−";background-color:var(--c-accent-soft);color:var(--c-accent);transform:none}
.acc .accordion-body{padding:0 24px 24px 27px;color:var(--c-ink-2);font-size:15.8px;line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{background:var(--c-brand);border-radius:var(--r-xl);padding:56px;color:#F4F1EA;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;border:1px solid rgba(244,241,234,.14)}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.cta-band h2{font-size:31px;color:#FFFFFF}
.cta-band p{margin-top:16px;color:rgba(244,241,234,.86);max-width:520px}
.trust-list{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.trust-list li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:rgba(244,241,234,.9)}
.trust-list .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block;flex:0 0 6px}
.form-card{background:var(--c-surface);border-radius:var(--r-lg);padding:30px;box-shadow:var(--sh-2);color:var(--c-ink)}
.form-card h3{font-size:20px;margin-bottom:6px}
.form-card .hint{font-size:13.5px;color:var(--c-ink-2);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--c-ink-2);margin-bottom:6px;font-weight:600;letter-spacing:.02em}
.field .control{width:100%;height:48px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-md);background:#fff;transition:border-color var(--ease),box-shadow var(--ease)}
.field select.control{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-ink-2) 50%),linear-gradient(135deg,var(--c-ink-2) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field .control:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 2px rgba(18,70,58,.18)}
.field .err{display:none;font-size:13px;color:var(--c-danger);margin-top:6px}
.form-note{font-size:12.5px;color:var(--c-ink-2);margin-top:14px;line-height:1.7}

/* ---------- 问答小卡 ---------- */
.qa-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.qa-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);transition:transform var(--ease),border-color var(--ease)}
.qa-card:hover{transform:translateY(-2px);border-color:var(--c-brand)}
.qa-card h3{font-size:18px}
.qa-card p{margin-top:12px;color:var(--c-ink-2);font-size:15.4px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-brand);color:#E8E4DB;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:72px 0 40px}
.footer-brand strong{font-family:var(--font-serif);font-size:20px;color:#FFFFFF;display:block;margin-bottom:14px}
.footer-brand p{font-size:14.5px;color:rgba(232,228,219,.82);line-height:1.8;max-width:330px}
.footer-col h4{font-size:15px;color:#FFFFFF;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:rgba(232,228,219,.86);font-size:14.5px}
.footer-col a:hover{color:#FFFFFF;text-decoration:underline}
.footer-col p{font-size:14.5px;color:rgba(232,228,219,.82);margin-bottom:10px}
.footer-col p a{color:#F0C6AF}
.footer-bottom{border-top:1px solid rgba(232,228,219,.18);padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13.5px;color:rgba(232,228,219,.7)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .icon-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
  .icon-card{padding:24px 22px}
  .page-hero h1{font-size:38px}
  .cta-band{padding:48px}
}
@media (max-width:991.98px){
  body{font-size:16px}
  .section{padding:70px 0}
  .section-tight{padding:56px 0}
  .nav-panel{flex-wrap:wrap;gap:12px;padding:12px}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-cta{order:3}
  .nav-links{order:4;flex-basis:100%;display:flex;flex-direction:column;align-items:stretch;gap:8px;margin-left:0;max-height:0;overflow:hidden;transition:max-height .3s cubic-bezier(.2,.7,.3,1)}
  .nav-links.open{max-height:560px;padding-top:4px}
  .nav-chip{flex-direction:row;align-items:baseline;gap:10px;padding:12px 14px}
  .nav-chip .chip-note{font-size:12px}
  .page-hero .hero-inner{padding:44px 32px 40px;max-width:100%}
  .page-hero h1{font-size:32px}
  .page-hero .lead{font-size:16px}
  .icon-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr;gap:32px}
  .split .media{order:-1}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .cta-band{padding:40px 32px}
  .qa-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 32px}
}
@media (max-width:575.98px){
  .container{padding-left:20px;padding-right:20px}
  .section{padding:56px 0}
  .section-tight{padding:46px 0}
  .brand-text em{display:none}
  .brand-text strong{font-size:15.5px}
  .nav-cta{width:calc(100% - 0px)}
  .page-hero{margin-top:16px;border-radius:var(--r-lg)}
  .page-hero .hero-inner{padding:32px 22px 30px}
  .page-hero h1{font-size:26px}
  .sec-head h2,.split h2,.cta-band h2{font-size:22px}
  .sec-head{margin-bottom:30px}
  .icon-grid{grid-template-columns:1fr}
  .acc .accordion-button{font-size:17px;padding:18px}
  .acc .accordion-body{padding:0 18px 20px 21px}
  .cta-band{padding:30px 22px;border-radius:var(--r-lg)}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .icon-card:hover,.qa-card:hover,.nav-chip:hover,.btn-brand:hover{transform:none}
}