/* roulang page: index */
:root{
  --brand-900:#103A30;
  --brand-700:#17584A;
  --brand-500:#2C7A66;
  --brand-50:#EAF2EE;
  --accent-600:#C2643C;
  --accent-100:#F7E7DE;
  --copper:#B07D4A;
  --paper:#F7F4EE;
  --white:#FFFFFF;
  --line:#E2DED4;
  --line-strong:#CFC9BB;
  --ink:#1C1B19;
  --muted:#5C6159;
  --dim:#8A8F86;
  --success:#2C7A66;
  --warn:#B4791F;
  --error:#B4372B;
  --disabled:#C9C6BC;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(28,27,25,.06), 0 10px 28px -18px rgba(28,27,25,.22);
  --shadow-2:0 2px 6px rgba(28,27,25,.08), 0 18px 40px -22px rgba(28,27,25,.3);
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --space-section:96px;
}

*,*::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:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--paper);
  letter-spacing:.01em;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;color:var(--brand-900);margin:0;line-height:1.35;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
svg{display:block;}
::selection{background:var(--brand-50);color:var(--brand-900);}

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

.section{padding:var(--space-section) 0;}
.section--tight{padding:calc(var(--space-section) * .62) 0;}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  margin-bottom:40px;
}
.section-eyebrow{
  margin:0 0 10px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.16em;
  color:var(--accent-600);
}
.section-title{font-size:clamp(24px,3vw,34px);line-height:1.35;}
.section-desc{
  max-width:430px;
  margin:0;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:10px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease, filter .18s ease;
  -webkit-tap-highlight-color:transparent;
}
.btn:focus-visible{outline:2px solid var(--accent-600);outline-offset:2px;}
.btn-primary{background:var(--accent-600);color:#fff;box-shadow:0 8px 20px -12px rgba(194,100,60,.85);}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-1px);box-shadow:0 12px 26px -12px rgba(194,100,60,.9);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700);}
.btn-ghost:hover{background:var(--brand-50);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px;}
.btn-block{width:100%;}
.btn-disabled{background:#EDEAE2;color:var(--dim);cursor:not-allowed;box-shadow:none;border-color:var(--line);}
.btn-disabled:hover{transform:none;filter:none;box-shadow:none;}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-700);
  transition:color .18s ease;
}
.link-arrow svg{transition:transform .18s ease;}
.link-arrow:hover{color:var(--accent-600);}
.link-arrow:hover svg{transform:translateX(3px);}
.link-arrow:focus-visible{outline:2px solid var(--accent-600);outline-offset:3px;border-radius:4px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px -18px rgba(28,27,25,.6);}
.header-main{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
  color:var(--brand-900);
}
.logo-mark{
  width:36px;
  height:36px;
  border-radius:11px;
  background:var(--brand-900);
  color:#fff;
  display:grid;
  place-items:center;
  flex:none;
}
.logo-text{
  font-family:var(--font-display);
  font-size:18px;
  font-weight:700;
  letter-spacing:.02em;
  line-height:1.2;
  white-space:nowrap;
}
.logo:hover .logo-mark{background:var(--brand-700);}

.nav-search{
  position:relative;
  flex:1 1 auto;
  max-width:520px;
  margin:0 auto;
  min-width:0;
}
.nav-search input{
  width:100%;
  height:44px;
  padding:0 86px 0 44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--white);
  font-size:14.5px;
  color:var(--ink);
  transition:border-color .18s ease, box-shadow .18s ease;
}
.nav-search input::placeholder{color:var(--dim);}
.nav-search input:hover{border-color:var(--line-strong);}
.nav-search input:focus{
  outline:none;
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(44,122,102,.14);
}
.nav-search .search-icon{
  position:absolute;
  left:14px;
  top:50%;
  transform:translateY(-50%);
  color:var(--dim);
  pointer-events:none;
}
.nav-search .search-btn{
  position:absolute;
  right:6px;
  top:50%;
  transform:translateY(-50%);
  height:32px;
  padding:0 14px;
  border:0;
  border-radius:8px;
  background:var(--brand-50);
  color:var(--brand-700);
  font-size:13px;
  font-weight:600;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease;
}
.nav-search .search-btn:hover{background:var(--brand-700);color:#fff;}

.nav-actions{
  flex:none;
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
}
.menu-toggle{
  display:none;
  width:42px;
  height:42px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--white);
  color:var(--brand-900);
  cursor:pointer;
}
.menu-toggle:hover{border-color:var(--brand-500);color:var(--brand-700);}
.menu-toggle:focus-visible{outline:2px solid var(--accent-600);outline-offset:2px;}

.cat-bar-wrap{border-top:1px solid var(--line);}
.cat-bar{
  display:flex;
  align-items:stretch;
  gap:28px;
  height:46px;
  overflow-x:auto;
  scrollbar-width:none;
}
.cat-bar::-webkit-scrollbar{display:none;}
.cat-bar a{
  display:inline-flex;
  align-items:center;
  flex:none;
  font-size:15px;
  color:var(--muted);
  border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.cat-bar a:hover{color:var(--brand-700);}
.cat-bar a.is-active{
  color:var(--brand-900);
  font-weight:600;
  border-bottom-color:var(--accent-600);
}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;
  padding:56px 0 88px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(circle, rgba(16,58,48,.07) 1px, transparent 1px);
  background-size:22px 22px;
  opacity:.6;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:56px;
  align-items:start;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:var(--brand-50);
  border:1px solid rgba(44,122,102,.2);
  color:var(--brand-700);
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
}
.hero-title{
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.25;
  margin:22px 0 20px;
  letter-spacing:.01em;
}
.hero-sub{
  max-width:34em;
  font-size:17px;
  line-height:1.9;
  color:var(--muted);
  margin-bottom:30px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px;}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:36px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.hero-fact b{
  display:block;
  font-family:var(--font-display);
  font-size:26px;
  line-height:1.2;
  color:var(--brand-900);
}
.hero-fact span{font-size:13px;color:var(--dim);}

.hero-media{position:relative;min-width:0;}
.hero-media > img{
  width:100%;
  height:340px;
  object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.login-card{
  position:relative;
  margin:-70px 16px 0;
  padding:22px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-2);
  scroll-margin-top:96px;
}
.login-card h2{
  font-size:18px;
  margin-bottom:16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.login-card h2 a{
  font-family:var(--font-sans);
  font-size:13px;
  font-weight:500;
  color:var(--brand-500);
  border-bottom:1px solid transparent;
}
.login-card h2 a:hover{color:var(--accent-600);border-bottom-color:currentColor;}
.field{margin-bottom:14px;}
.field label{
  display:block;
  margin-bottom:6px;
  font-size:13px;
  font-weight:500;
  color:var(--muted);
}
.field input{
  width:100%;
  height:44px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--white);
  font-size:15px;
  color:var(--ink);
  transition:border-color .18s ease, box-shadow .18s ease;
}
.field input::placeholder{color:var(--dim);}
.field input:hover{border-color:var(--line-strong);}
.field input:focus{
  outline:none;
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(44,122,102,.14);
}
.field.has-error input{border-color:var(--error);}
.field-error{display:none;margin-top:6px;font-size:13px;line-height:1.6;color:var(--error);}
.field.has-error .field-error{display:block;}
.login-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin:4px 0 16px;
  font-size:13px;
}
.checkbox{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--muted);
  cursor:pointer;
  user-select:none;
}
.checkbox input{width:16px;height:16px;accent-color:var(--brand-700);margin:0;}
.login-row a{color:var(--brand-500);font-weight:500;}
.login-row a:hover{color:var(--accent-600);text-decoration:underline;text-underline-offset:3px;}
.login-tip{
  display:none;
  margin:12px 0 0;
  font-size:13px;
  line-height:1.7;
}
.login-tip.is-error{display:block;color:var(--error);}
.login-tip.is-ok{display:block;color:var(--success);}
.login-foot{
  margin-top:14px;
  text-align:center;
  font-size:13px;
  color:var(--muted);
}
.login-foot a{color:var(--accent-600);font-weight:600;}
.login-foot a:hover{text-decoration:underline;text-underline-offset:3px;}

/* ---------- 快捷入口 ---------- */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.entry-card{
  display:flex;
  flex-direction:column;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.entry-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-2);
  border-color:rgba(44,122,102,.4);
}
.entry-thumb{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.entry-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.entry-card:hover .entry-thumb img{transform:scale(1.05);}
.entry-body{
  display:flex;
  flex-direction:column;
  gap:8px;
  flex:1;
  padding:18px 18px 20px;
}
.entry-body h3{font-size:17px;line-height:1.5;font-weight:600;}
.entry-body p{
  flex:1;
  margin:0;
  font-size:14px;
  line-height:1.75;
  color:var(--muted);
}
.entry-body .link-arrow{align-self:flex-start;margin-top:4px;}

/* ---------- 权益对比 ---------- */
.plan-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  align-items:start;
  padding-top:16px;
}
.plan{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:box-shadow .2s ease, transform .2s ease;
}
.plan:hover{box-shadow:var(--shadow-2);}
.plan--featured{
  border:2px solid var(--accent-600);
  transform:translateY(-8px);
  box-shadow:var(--shadow-2);
}
.plan-badge{
  position:absolute;
  top:14px;
  right:14px;
  padding:3px 11px;
  border-radius:var(--r-pill);
  background:var(--accent-600);
  color:#fff;
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
}
.plan-head{
  padding:26px 24px 22px;
  background:var(--brand-900);
  color:#fff;
}
.plan-head h3{
  color:#fff;
  font-size:20px;
  margin-bottom:8px;
}
.plan-price{
  font-family:var(--font-display);
  font-size:28px;
  line-height:1.2;
  color:#fff;
}
.plan-price small{
  font-family:var(--font-sans);
  font-size:13px;
  font-weight:400;
  color:rgba(255,255,255,.72);
  margin-left:4px;
}
.plan-note{
  margin:10px 0 0;
  font-size:13px;
  line-height:1.7;
  color:rgba(255,255,255,.74);
}
.plan-features{padding:10px 24px 6px;flex:1;}
.plan-features li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:11px 0;
  border-bottom:1px solid var(--line);
  font-size:14.5px;
  color:var(--muted);
  line-height:1.6;
}
.plan-features li:last-child{border-bottom:none;}
.plan-features li svg{flex:none;margin-top:4px;}
.plan-features li.off{color:var(--dim);}
.plan-foot{padding:16px 24px 24px;}
.plan-foot .btn{width:100%;}

/* ---------- 等级亮点 ---------- */
.level-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.level-card{
  position:relative;
  padding:28px 26px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.level-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:rgba(44,122,102,.35);
}
.level-icon{
  width:44px;
  height:44px;
  display:grid;
  place-items:center;
  margin-bottom:18px;
  border:1px solid rgba(176,125,74,.45);
  border-radius:12px;
  color:var(--copper);
}
.level-badge{
  position:absolute;
  top:22px;
  right:22px;
  padding:3px 11px;
  border:1px solid rgba(176,125,74,.45);
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  color:var(--copper);
  letter-spacing:.04em;
}
.level-card h3{font-size:20px;margin-bottom:10px;}
.level-card p{font-size:15px;line-height:1.85;color:var(--muted);margin:0;}

/* ---------- 数据带 ---------- */
.stats-band{
  background:var(--brand-50);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
  text-align:center;
}
.stat-num{
  display:block;
  font-family:var(--font-display);
  font-size:clamp(28px,3.4vw,40px);
  line-height:1.1;
  color:var(--brand-900);
  margin-bottom:6px;
}
.stat-label{display:block;font-size:14px;color:var(--muted);}

/* ---------- 最新信息 ---------- */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.news-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:22px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.news-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-2);
  border-color:rgba(44,122,102,.4);
}
.news-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--dim);
}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 11px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:var(--paper);
  font-size:12.5px;
  color:var(--muted);
  white-space:nowrap;
}
.news-title{
  font-family:var(--font-sans);
  font-size:17px;
  font-weight:600;
  line-height:1.55;
  color:var(--brand-900);
}
.news-title a{
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-title a:hover{color:var(--accent-600);}
.news-excerpt{
  margin:0;
  font-size:14px;
  line-height:1.75;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card .link-arrow{margin-top:auto;align-self:flex-start;}

.empty-state{
  padding:56px 24px;
  text-align:center;
  background:var(--white);
  border:1px dashed var(--line-strong);
  border-radius:var(--r-md);
  color:var(--muted);
}
.empty-state svg{margin:0 auto 14px;color:var(--dim);}
.empty-state p{font-size:15px;margin:0 0 12px;}

/* ---------- FAQ ---------- */
.faq-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 48px;
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  width:100%;
  padding:18px 0;
  border:0;
  background:none;
  text-align:left;
  font-family:var(--font-sans);
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  color:var(--brand-900);
  cursor:pointer;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--brand-700);}
.faq-q:focus-visible{outline:2px solid var(--accent-600);outline-offset:2px;border-radius:4px;}
.faq-q .ico{
  flex:none;
  margin-top:3px;
  color:var(--brand-700);
  transition:transform .2s ease;
}
.faq-item.is-open .faq-q .ico{transform:rotate(45deg);}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .25s ease;
}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a > div{overflow:hidden;}
.faq-a p{
  margin:0;
  padding:0 0 18px;
  font-size:15px;
  line-height:1.9;
  color:var(--muted);
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  padding:48px;
  border-radius:var(--r-lg);
  background:var(--brand-900);
  color:#fff;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(circle, rgba(255,255,255,.5) 1px, transparent 1px);
  background-size:20px 20px;
  opacity:.05;
  pointer-events:none;
}
.cta-band h2{
  position:relative;
  color:#fff;
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.35;
}
.cta-band p{
  position:relative;
  margin:10px 0 0;
  font-size:15px;
  line-height:1.85;
  color:rgba(255,255,255,.74);
  max-width:44em;
}
.cta-actions{
  position:relative;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.cta-band .btn-ghost{
  border-color:rgba(255,255,255,.55);
  color:#fff;
}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--space-section);
  padding:64px 0 0;
  background:var(--paper);
  border-top:1px solid var(--line);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:var(--muted);
  max-width:26em;
}
.footer-col h3{
  font-family:var(--font-sans);
  font-size:14px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--brand-900);
  margin-bottom:16px;
}
.footer-col li{margin-bottom:10px;}
.footer-col a{
  font-size:14px;
  color:var(--muted);
  transition:color .18s ease;
}
.footer-col a:hover{
  color:var(--brand-500);
  text-decoration:underline;
  text-underline-offset:3px;
}
.footer-col p{font-size:14px;line-height:1.85;color:var(--muted);margin:0 0 10px;}
.footer-col p:last-child{margin-bottom:0;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-top:48px;
  padding:20px 0;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--dim);
}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;
  inset:0;
  z-index:120;
  background:rgba(28,27,25,.42);
  opacity:0;
  visibility:hidden;
  transition:opacity .22s ease, visibility .22s ease;
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;
  top:0;
  right:0;
  width:min(340px,86vw);
  height:100%;
  display:flex;
  flex-direction:column;
  gap:20px;
  padding:20px;
  background:var(--paper);
  border-left:1px solid var(--line);
  transform:translateX(100%);
  transition:transform .26s ease;
  overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-family:var(--font-display);
  font-size:17px;
  font-weight:700;
  color:var(--brand-900);
}
.drawer-close{
  width:38px;
  height:38px;
  display:grid;
  place-items:center;
  border:1px solid var(--line);
  border-radius:9px;
  background:var(--white);
  color:var(--brand-900);
  cursor:pointer;
}
.drawer-close:hover{border-color:var(--brand-500);color:var(--brand-700);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  padding:13px 0;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--muted);
}
.drawer-nav a:hover{color:var(--brand-700);}
.drawer-actions{margin-top:auto;display:flex;flex-direction:column;gap:10px;}

/* ---------- 断点 ---------- */
@media (max-width:1024px){
  :root{--space-section:72px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-media > img{height:300px;}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media (max-width:900px){
  .plan-grid{grid-template-columns:1fr;gap:20px;padding-top:0;}
  .plan--featured{transform:none;}
  .level-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;gap:0;}
}

@media (max-width:768px){
  :root{--space-section:56px;}
  .container{padding:0 18px;}
  .header-main{
    flex-wrap:wrap;
    height:auto;
    padding:12px 0 14px;
    gap:12px;
  }
  .logo-text{font-size:16px;}
  .nav-search{
    order:3;
    flex:1 0 100%;
    max-width:none;
    margin:0;
  }
  .nav-actions{gap:8px;}
  .nav-actions .btn-primary{display:none;}
  .menu-toggle{display:inline-flex;}
  .cat-bar-wrap{display:none;}
  .hero{padding:36px 0 64px;}
  .hero-facts{gap:24px;}
  .hero-fact b{font-size:22px;}
  .login-card{margin:-56px 10px 0;padding:20px;}
  .cta-band{padding:32px 24px;border-radius:16px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{margin-top:32px;}
}

@media (max-width:560px){
  .entry-grid,
  .news-grid{grid-template-columns:1fr;}
  .hero-cta .btn{width:100%;}
  .login-card{margin:-48px 0 0;}
  .hero-media > img{height:240px;}
  .section-head{margin-bottom:28px;}
  .plan-features{padding:8px 20px 4px;}
  .plan-head{padding:22px 20px 18px;}
  .plan-foot{padding:14px 20px 20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .btn{height:44px;}
  .stats-grid{grid-template-columns:1fr;text-align:left;}
}

@media (max-width:400px){
  .logo-text{font-size:15px;}
  .logo-mark{width:32px;height:32px;border-radius:9px;}
  .nav-search input{padding:0 80px 0 40px;font-size:14px;}
}

/* roulang page: article */
:root{
  --brand-900:#103A30;
  --brand-700:#17584A;
  --brand-500:#2C7A66;
  --brand-50:#EAF2EE;
  --accent-600:#C2643C;
  --accent-100:#F7E7DE;
  --copper:#B07D4A;
  --paper:#F7F4EE;
  --white:#FFFFFF;
  --line:#E2DED4;
  --ink:#1C1B19;
  --sub:#5C6159;
  --muted:#8A8F86;
  --ok:#2C7A66;
  --warn:#B4791F;
  --err:#B4372B;
  --disabled:#C9C6BC;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --shadow-sm:0 1px 2px rgba(28,27,25,.06), 0 10px 28px -18px rgba(28,27,25,.22);
  --shadow-md:0 2px 4px rgba(28,27,25,.07), 0 18px 38px -22px rgba(28,27,25,.32);
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --font-body:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
button{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--accent-600);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:50;
  background:rgba(247,244,238,.95);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -22px rgba(28,27,25,.75);}
.header-main{display:flex;align-items:center;gap:20px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:var(--white);border:1px solid var(--brand-700);
  color:var(--brand-700);transition:background .2s ease,color .2s ease;
}
.logo:hover .logo-mark{background:var(--brand-50);}
.logo-text{
  font-family:var(--font-display);font-size:17px;font-weight:700;
  color:var(--brand-900);white-space:nowrap;letter-spacing:.02em;
}
.nav-search{
  position:relative;display:flex;align-items:center;flex:1 1 auto;
  max-width:520px;height:44px;background:var(--white);
  border:1px solid var(--line);border-radius:12px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:hover{border-color:#CBC5B6;}
.nav-search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(44,122,102,.16);}
.nav-search .search-icon{margin:0 10px 0 14px;color:var(--muted);flex:0 0 auto;}
.nav-search input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;
  padding:0 8px;font-size:14.5px;outline:none;
}
.nav-search input::placeholder{color:var(--muted);}
.search-quick{
  flex:0 0 auto;margin-right:6px;padding:4px 10px;border-radius:8px;
  font-size:13px;color:var(--brand-700);background:var(--brand-50);
  transition:background .18s ease,color .18s ease;
}
.search-quick:hover{background:var(--brand-900);color:#fff;}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:var(--white);cursor:pointer;
  transition:border-color .18s ease,background .18s ease;
}
.nav-toggle:hover{border-color:var(--brand-500);background:var(--brand-50);}
.nav-backdrop{display:none;}

/* 分类条 */
.cat-bar{
  display:flex;align-items:center;gap:28px;
  max-width:1200px;margin:0 auto;padding:0 24px;
  overflow-x:auto;scrollbar-width:none;
}
.cat-bar::-webkit-scrollbar{display:none;}
.cat-bar a{
  position:relative;padding:8px 0 12px;font-size:15px;
  color:var(--sub);font-weight:500;white-space:nowrap;
}
.cat-bar a:hover{color:var(--brand-700);}
.cat-bar a.is-active{color:var(--brand-900);font-weight:600;}
.cat-bar a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;
  background:var(--accent-600);border-radius:2px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:10px;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;white-space:nowrap;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--accent-600);color:#fff;box-shadow:0 1px 2px rgba(28,27,25,.08);}
.btn-primary:hover{background:#AC5330;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:none;box-shadow:none;}
.btn-ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700);}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-700);}
.btn-ghost:active{transform:translateY(1px);}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{
  background:var(--disabled);color:#fff;border-color:var(--disabled);
  cursor:not-allowed;box-shadow:none;transform:none;opacity:.75;
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-700);
}
.text-link svg{transition:transform .18s ease;}
.text-link:hover{color:var(--accent-600);}
.text-link:hover svg{transform:translateX(2px);}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;align-items:center;flex-wrap:wrap;gap:6px;
  padding:22px 0 0;font-size:13px;color:var(--muted);
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px;}
.crumbs .sep{color:#C6C1B4;}
.crumbs .current{
  flex:1 1 auto;min-width:0;color:var(--sub);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ============ 文章布局 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,780px) 300px;
  gap:48px;justify-content:center;align-items:start;
  padding:26px 0 0;
}
.article-col{min-width:0;}
.article-head{padding-bottom:26px;border-bottom:1px solid var(--line);margin-bottom:32px;}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;background:var(--paper);border:1px solid var(--line);
  font-size:13px;font-weight:500;color:var(--brand-700);
}
.article-head h1{
  font-family:var(--font-display);
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.3;font-weight:700;
  color:var(--brand-900);margin:16px 0 0;letter-spacing:.005em;
}
.article-lead{
  margin:16px 0 0;font-size:16px;line-height:1.9;
  color:var(--sub);max-width:42em;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:18px;margin-top:20px;
  font-size:13.5px;color:var(--muted);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta svg{color:var(--brand-500);flex:0 0 auto;}

/* ============ CMS 正文 ============ */
.article-body{font-size:17px;line-height:1.9;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.25em;color:#26261f;}
.article-body h2{
  font-family:var(--font-display);
  font-size:clamp(22px,2.4vw,28px);
  line-height:1.45;font-weight:700;color:var(--brand-900);
  margin:2em 0 .8em;padding-left:14px;
  border-left:3px solid var(--accent-600);
}
.article-body h3{
  font-size:20px;line-height:1.55;font-weight:600;
  color:var(--brand-900);margin:1.8em 0 .7em;
}
.article-body h4{
  font-size:17px;line-height:1.6;font-weight:600;
  color:var(--brand-700);margin:1.6em 0 .6em;
}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.4em;}
.article-body li{margin-bottom:.6em;line-height:1.85;font-size:16.5px;}
.article-body li::marker{color:var(--brand-500);}
.article-body strong{font-weight:600;color:var(--brand-900);}
.article-body blockquote{
  margin:1.6em 0;padding:20px 24px;
  background:var(--paper);border-left:3px solid var(--brand-500);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--brand-900);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:auto;max-width:100%;height:auto;margin:1.6em auto;
  border-radius:12px;border:1px solid var(--line);
}
.article-body figure{margin:1.8em 0;}
.article-body figcaption{
  margin-top:10px;font-size:13px;color:var(--muted);
  text-align:center;line-height:1.7;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.7em 0;
  font-size:15px;background:var(--white);
  border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;
}
.article-body th{
  background:var(--brand-50);color:var(--brand-900);
  font-weight:600;text-align:left;padding:12px 14px;
  border:1px solid var(--line);
}
.article-body td{padding:11px 14px;border:1px solid var(--line);color:var(--sub);}
.article-body tbody tr:nth-child(even){background:#FBFAF6;}
.article-body a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--accent-600);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}

/* 空态 */
.empty-state{
  text-align:center;padding:64px 28px;background:var(--white);
  border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto;border-radius:16px;
  display:grid;place-items:center;background:var(--brand-50);
  color:var(--brand-500);border:1px solid rgba(44,122,102,.2);
}
.empty-state h2{
  font-family:var(--font-display);font-size:24px;line-height:1.4;
  color:var(--brand-900);margin:18px 0 8px;
}
.empty-state p{
  font-size:15px;line-height:1.85;color:var(--sub);
  max-width:34em;margin:0 auto 22px;
}

/* 文末操作 */
.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:16px;margin-top:44px;padding-top:24px;border-top:1px solid var(--line);
}
.article-foot .tags{display:flex;flex-wrap:wrap;gap:8px;}
.article-foot .tag{
  font-size:13px;color:var(--sub);padding:5px 12px;
  border:1px solid var(--line);border-radius:999px;background:var(--white);
}

/* ============ 侧栏 ============ */
.article-side{display:flex;flex-direction:column;gap:22px;position:sticky;top:132px;}
.side-card{
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--r-md);padding:22px;box-shadow:var(--shadow-sm);
}
.side-card--cta{background:var(--brand-900);border-color:var(--brand-900);color:#fff;}
.side-tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(255,255,255,.14);color:#F2E9E0;letter-spacing:.04em;
}
.side-card--cta h3{
  font-family:var(--font-display);font-size:20px;line-height:1.45;
  margin:14px 0 10px;color:#fff;
}
.side-card--cta p{
  font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.78);margin:0 0 18px;
}
.side-card--cta .text-link{color:#F1D9C9;margin-top:14px;display:flex;justify-content:center;}
.side-card--cta .text-link:hover{color:#fff;}
.side-card h3{
  font-size:15px;font-weight:600;color:var(--brand-900);
  margin:0 0 14px;letter-spacing:.02em;
}
.side-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px;}
.side-list a{
  display:flex;align-items:center;gap:8px;
  padding:9px 0;font-size:14px;color:var(--sub);
  border-bottom:1px dashed var(--line);
}
.side-list li:last-child a{border-bottom:0;}
.side-list a:hover{color:var(--brand-500);}
.side-list a svg{color:var(--brand-500);flex:0 0 auto;}

/* ============ 相关推荐 ============ */
.related{padding:64px 0 0;}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:14px;margin-bottom:26px;
}
.section-head h2{
  font-family:var(--font-display);font-size:clamp(22px,2.6vw,30px);
  line-height:1.4;color:var(--brand-900);
}
.section-head p{font-size:14px;color:var(--muted);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:rgba(44,122,102,.35);}
.post-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--paper);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .34s ease;}
.post-card:hover .thumb img{transform:scale(1.035);}
.post-card .card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card h3{
  font-size:17px;line-height:1.5;font-weight:600;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card p{
  font-size:14px;line-height:1.75;color:var(--sub);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .card-foot{
  margin-top:auto;padding-top:6px;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--muted);
}
.pill{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;background:var(--paper);border:1px solid var(--line);
  font-size:12px;color:var(--brand-700);flex:0 0 auto;
}

/* ============ CTA ============ */
.cta-band{padding:72px 0 0;}
.cta-inner{
  position:relative;overflow:hidden;
  background:var(--brand-900);color:#fff;
  border-radius:var(--r-lg);padding:42px 44px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.cta-inner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:18px 18px;opacity:.05;
}
.cta-inner > *{position:relative;z-index:1;}
.cta-inner h2{
  font-family:var(--font-display);font-size:clamp(22px,2.6vw,30px);
  line-height:1.4;color:#fff;margin-bottom:8px;
}
.cta-inner p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.78);max-width:44em;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--paper);border-top:1px solid var(--line);
  margin-top:76px;padding:56px 0 0;
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;}
.footer-brand p{
  font-size:14px;line-height:1.85;color:var(--sub);
  margin:14px 0 0;max-width:34em;
}
.footer-col h3{
  font-size:14px;font-weight:600;color:var(--brand-900);
  margin:0 0 14px;letter-spacing:.02em;
}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--sub);}
.footer-col a:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px;}
.footer-col p{font-size:14px;line-height:1.8;color:var(--sub);margin:0 0 8px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid var(--line);margin-top:44px;
  padding:20px 0 28px;font-size:13px;color:var(--muted);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;justify-content:stretch;}
  .article-side{display:none;}
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .header-main{gap:14px;}
  .logo-text{font-size:16px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .header-main{flex-wrap:wrap;height:auto;padding:10px 0;gap:10px;}
  .logo-mark{width:30px;height:30px;}
  .logo-text{font-size:15px;}
  .nav-search{order:3;flex:1 1 100%;max-width:none;height:42px;}
  .nav-toggle{display:inline-flex;}
  .btn{height:40px;padding:0 14px;font-size:14px;}
  .nav-backdrop{
    display:block;position:fixed;inset:0;z-index:55;
    background:rgba(28,27,25,.42);opacity:0;pointer-events:none;
    transition:opacity .25s ease;
  }
  body.nav-open .nav-backdrop{opacity:1;pointer-events:auto;}
  .cat-bar{
    position:fixed;top:0;right:0;bottom:0;z-index:60;
    width:78%;max-width:320px;margin:0;padding:26px 20px;
    background:var(--white);flex-direction:column;align-items:stretch;gap:0;
    transform:translateX(102%);transition:transform .28s cubic-bezier(.4,0,.2,1);
    overflow-y:auto;box-shadow:-14px 0 40px -26px rgba(28,27,25,.6);
  }
  body.nav-open .cat-bar{transform:none;}
  .cat-bar a{padding:14px 2px;font-size:16px;border-bottom:1px solid var(--line);}
  .cat-bar a.is-active{color:var(--accent-600);}
  .cat-bar a.is-active::after{display:none;}
  .crumbs{padding-top:16px;}
  .article-layout{padding-top:18px;}
  .article-head{padding-bottom:20px;margin-bottom:24px;}
  .article-body{font-size:16px;}
  .article-body li{font-size:15.5px;}
  .article-body blockquote{padding:16px 18px;font-size:15px;}
  .related{padding-top:52px;}
  .cta-band{padding-top:56px;}
  .cta-inner{padding:30px 24px;border-radius:16px;}
  .site-footer{margin-top:56px;padding-top:42px;}
}
@media (max-width:520px){
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .article-meta{gap:12px;}
  .empty-state{padding:44px 20px;}
}

/* roulang page: category1 */
:root{
  --brand-900:#103A30;
  --brand-700:#17584A;
  --brand-500:#2C7A66;
  --brand-50:#EAF2EE;
  --accent-600:#C2643C;
  --accent-100:#F7E7DE;
  --bronze:#B07D4A;
  --paper:#F7F4EE;
  --white:#FFFFFF;
  --line:#E2DED4;
  --ink:#1C1B19;
  --ink-2:#5C6159;
  --ink-3:#8A8F86;
  --ok:#2C7A66;
  --warn:#B4791F;
  --err:#B4372B;
  --disabled:#C9C6BC;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --sh-1:0 1px 2px rgba(28,27,25,.06),0 10px 28px -18px rgba(28,27,25,.22);
  --sh-2:0 2px 4px rgba(28,27,25,.08),0 18px 40px -22px rgba(28,27,25,.28);
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-body:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent-600)}
button{font:inherit;color:inherit}
input{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--font-display);margin:0;color:var(--ink);font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent-600);outline-offset:2px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

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

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(28,27,25,.55)}
.header-top{
  display:flex;align-items:center;gap:20px;
  height:72px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;
  color:var(--ink);font-family:var(--font-display);
  font-size:17px;font-weight:700;letter-spacing:.02em;
}
.logo:hover{color:var(--ink)}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:var(--brand-900);color:#fff;flex:0 0 auto;
}
.logo-text{white-space:nowrap}
.nav-search{
  position:relative;display:flex;align-items:center;gap:9px;
  flex:1 1 auto;max-width:520px;height:44px;margin:0 auto;
  padding:0 12px;background:var(--white);
  border:1px solid var(--line);border-radius:12px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:hover{border-color:#CFC9BC}
.nav-search:focus-within{
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(44,122,102,.16);
}
.nav-search .search-icon{color:var(--ink-3);flex:0 0 auto;display:inline-flex}
.nav-search input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;
  outline:none;font-size:15px;line-height:1.6;padding:0;
}
.nav-search input::placeholder{color:var(--ink-3)}
.search-clear{
  display:inline-flex;align-items:center;justify-content:center;
  width:24px;height:24px;border:0;border-radius:50%;
  background:var(--brand-50);color:var(--brand-700);cursor:pointer;
  transition:background .2s ease,color .2s ease;flex:0 0 auto;
}
.search-clear:hover{background:var(--accent-100);color:var(--accent-600)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 18px;border-radius:10px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--accent-600);color:#fff}
.btn-primary:hover{background:#AD5733;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:transparent;border-color:var(--brand-700);color:var(--brand-700)}
.btn-outline:hover{background:var(--brand-50);color:var(--brand-700)}
.btn-disabled,
.btn[disabled]{background:var(--disabled);color:#fff;cursor:not-allowed;box-shadow:none;transform:none;opacity:.7}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand-700);
}
.link-arrow svg{transition:transform .2s ease}
.link-arrow:hover{color:var(--accent-600)}
.link-arrow:hover svg{transform:translateX(2px)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:var(--white);
  color:var(--brand-700);cursor:pointer;flex:0 0 auto;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--brand-50);border-color:var(--brand-500)}

/* ============ 分类条 ============ */
.cat-bar-wrap{border-top:1px solid transparent}
.cat-bar{
  display:flex;align-items:flex-end;gap:30px;
  height:52px;overflow-x:auto;scrollbar-width:none;
}
.cat-bar::-webkit-scrollbar{display:none}
.cat-bar a{
  position:relative;flex:0 0 auto;
  padding:0 2px 12px;
  font-size:15px;font-weight:500;color:var(--ink-2);
  border-bottom:2px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.cat-bar a:hover{color:var(--brand-700)}
.cat-bar a.is-active{
  color:var(--ink);font-weight:600;
  border-bottom-color:var(--accent-600);
}

/* ============ 抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;z-index:90;
  background:rgba(28,27,25,.42);
  opacity:0;pointer-events:none;transition:opacity .28s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:95;
  width:min(360px,88vw);
  background:var(--white);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform .3s cubic-bezier(.22,.61,.36,1);
  display:flex;flex-direction:column;
  box-shadow:-18px 0 40px -30px rgba(28,27,25,.6);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--line);
}
.drawer-head span{font-family:var(--font-display);font-size:16px;font-weight:700}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  background:var(--white);color:var(--brand-700);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:var(--brand-50)}
.drawer-search{
  display:flex;align-items:center;gap:9px;
  margin:18px 20px 6px;height:44px;padding:0 12px;
  background:var(--paper);border:1px solid var(--line);border-radius:12px;
}
.drawer-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;font-size:15px}
.drawer-search .search-icon{color:var(--ink-3);display:inline-flex}
.drawer-nav{padding:10px 12px 24px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 10px;border-radius:10px;
  font-size:15.5px;color:var(--ink);font-weight:500;
  border-bottom:1px solid var(--line);
  transition:background .2s ease,color .2s ease;
}
.drawer-nav a:hover{background:var(--brand-50);color:var(--brand-700)}
.drawer-nav a.is-active{color:var(--brand-900);font-weight:600}
.drawer-nav a.is-active::before{
  content:"";width:3px;height:16px;border-radius:2px;
  background:var(--accent-600);margin-right:2px;flex:0 0 auto;
}
.drawer-cta{padding:0 20px 28px;display:grid;gap:10px}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);line-height:1.7;
}
.breadcrumb a{color:var(--ink-3)}
.breadcrumb a:hover{color:var(--accent-600)}
.breadcrumb .sep{color:#C4BFB3}
.breadcrumb .current{color:var(--ink-2)}

/* ============ 窄幅 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  opacity:.13;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 18% 20%,rgba(194,100,60,.10),transparent 46%),
    linear-gradient(180deg,rgba(247,244,238,.62) 0%,rgba(247,244,238,.92) 100%);
}
.page-hero .container{position:relative;z-index:1}
.hero-inner{
  padding:30px 0 44px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.14em;
  color:var(--brand-500);margin-bottom:14px;
}
.eyebrow::before{
  content:"";width:22px;height:2px;background:var(--accent-600);border-radius:2px;
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,44px);
  line-height:1.25;letter-spacing:.01em;
  margin:0 0 16px;
}
.hero-sub{
  max-width:600px;font-size:16.5px;line-height:1.9;color:var(--ink-2);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:999px;
  background:var(--paper);border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);line-height:1.6;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.tag:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--white)}
.tag-solid{
  background:var(--brand-50);border-color:transparent;color:var(--brand-700);font-weight:600;
}
.hero-panel{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  padding:24px;
}
.hero-panel h2{
  font-size:17px;line-height:1.5;margin-bottom:6px;
}
.hero-panel p{
  font-size:14px;color:var(--ink-2);line-height:1.8;margin-bottom:16px;
}
.hero-search{
  display:flex;align-items:center;gap:9px;
  height:46px;padding:0 12px;
  background:var(--paper);border:1px solid var(--line);border-radius:10px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.hero-search:hover{border-color:#CFC9BC}
.hero-search:focus-within{
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(44,122,102,.16);
}
.hero-search .search-icon{color:var(--ink-3);display:inline-flex;flex:0 0 auto}
.hero-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;font-size:15px}
.hero-search input::placeholder{color:var(--ink-3)}
.hero-panel .hint{
  margin:14px 0 0;font-size:13px;color:var(--ink-3);line-height:1.7;
}

/* ============ 板块基础 ============ */
.section{padding:var(--sec-y) 0}
.section-alt{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:740px;margin-bottom:40px}
.section-head h2{
  font-size:clamp(24px,3vw,34px);line-height:1.35;letter-spacing:.01em;
}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px}
.section-head-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;flex-wrap:wrap;
}
.section-head-row .section-head{margin-bottom:0}

/* ============ 入口图文卡（两列） ============ */
.entry-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;
}
.entry-card{
  display:grid;grid-template-columns:158px 1fr;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  border-color:rgba(44,122,102,.38);
}
.entry-media{
  background:var(--paper);
  border-right:1px solid var(--line);
  min-height:100%;
}
.entry-media img{
  width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;
}
.entry-body{padding:20px 22px}
.entry-body h3{
  font-size:18px;line-height:1.5;margin-bottom:8px;font-weight:600;
}
.entry-body p{font-size:15px;line-height:1.85;color:var(--ink-2)}
.entry-points{margin-top:12px;display:grid;gap:6px}
.entry-points li{
  position:relative;padding-left:16px;
  font-size:13.5px;color:var(--ink-3);line-height:1.75;
}
.entry-points li::before{
  content:"";position:absolute;left:0;top:10px;
  width:6px;height:6px;border-radius:50%;background:var(--brand-500);opacity:.6;
}

/* ============ 三种验证方式 ============ */
.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.method-card{
  position:relative;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 22px 24px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.method-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  border-color:rgba(44,122,102,.38);
}
.method-card.is-featured{
  border:2px solid var(--accent-600);
  box-shadow:0 2px 4px rgba(28,27,25,.06),0 20px 44px -26px rgba(194,100,60,.55);
}
.badge-recommend{
  position:absolute;top:-12px;right:16px;
  padding:3px 12px;border-radius:999px;
  background:var(--accent-600);color:#fff;
  font-size:12px;font-weight:600;letter-spacing:.08em;line-height:1.8;
}
.method-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  border:1px solid rgba(176,125,74,.5);
  color:var(--bronze);background:rgba(176,125,74,.06);
  margin-bottom:16px;
}
.method-card h3{font-size:18px;line-height:1.5;font-weight:600;margin-bottom:6px}
.method-meta{
  font-size:13px;color:var(--brand-500);font-weight:600;margin-bottom:12px;
}
.method-card p{font-size:15px;line-height:1.85;color:var(--ink-2)}
.method-list{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);display:grid;gap:8px}
.method-list li{
  display:flex;gap:8px;align-items:flex-start;
  font-size:13.5px;color:var(--ink-2);line-height:1.75;
}
.method-list svg{flex:0 0 auto;margin-top:5px;color:var(--brand-500)}

/* ============ 流程 ============ */
.flow-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  position:relative;
}
.flow-step{
  position:relative;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 22px;
}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;
  background:var(--brand-900);color:#fff;
  font-family:var(--font-display);font-size:16px;font-weight:700;
  margin-bottom:16px;
}
.flow-step h3{font-size:18px;line-height:1.5;font-weight:600;margin-bottom:8px}
.flow-step p{font-size:15px;line-height:1.85;color:var(--ink-2)}
.flow-note{
  margin-top:24px;padding:16px 20px;
  background:var(--white);border:1px solid var(--line);
  border-left:3px solid var(--brand-500);
  border-radius:var(--r-sm);
  font-size:14px;color:var(--ink-2);line-height:1.8;
}

/* ============ 数据条 ============ */
.stats-band{
  background:var(--brand-50);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  padding:40px 0;
}
.stat-item{position:relative;padding-right:16px}
.stat-item:not(:last-child)::after{
  content:"";position:absolute;right:0;top:8px;bottom:8px;
  width:1px;background:rgba(44,122,102,.22);
}
.stat-num{
  font-family:var(--font-display);
  font-size:clamp(26px,3vw,34px);font-weight:700;
  color:var(--brand-900);line-height:1.2;
}
.stat-num em{font-style:normal;font-size:15px;font-family:var(--font-body);font-weight:600;margin-left:2px;color:var(--brand-700)}
.stat-label{margin-top:6px;font-size:14px;color:var(--ink-2);line-height:1.7}

/* ============ 常见情形（左标题右列表） ============ */
.issue-layout{
  display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start;
}
.issue-aside h2{
  font-size:clamp(24px,2.6vw,30px);line-height:1.35;margin-bottom:14px;
}
.issue-aside p{font-size:15.5px;color:var(--ink-2);line-height:1.9}
.issue-aside .aside-note{
  margin-top:22px;padding:16px 18px;
  background:var(--brand-50);border-radius:var(--r-sm);
  font-size:13.5px;color:var(--brand-700);line-height:1.8;
}
.issue-list-item{
  display:grid;grid-template-columns:42px 1fr;gap:16px;
  padding:22px 0;
  border-bottom:1px solid var(--line);
}
.issue-list-item:first-child{padding-top:0}
.issue-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:var(--white);border:1px solid var(--line);
  color:var(--brand-700);
}
.issue-list-item h3{
  font-size:17px;line-height:1.5;font-weight:600;margin-bottom:6px;
}
.issue-list-item p{font-size:15px;line-height:1.85;color:var(--ink-2)}
.issue-list-item .state{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:10px;padding:3px 10px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.8;
}
.state-ok{background:rgba(44,122,102,.12);color:var(--ok)}
.state-warn{background:rgba(180,121,31,.12);color:var(--warn)}
.state-err{background:rgba(180,55,43,.12);color:var(--err)}

/* ============ FAQ ============ */
.faq-grid{
  display:grid;grid-template-columns:repeat(2,1fr);
  gap:0 56px;align-items:start;
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  width:100%;padding:18px 0;background:none;border:0;cursor:pointer;
  text-align:left;font-size:16px;font-weight:600;line-height:1.65;color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand-700)}
.faq-sign{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  width:22px;height:22px;margin-top:3px;
  color:var(--brand-700);transition:transform .2s ease;
}
.faq-item.is-open .faq-sign{transform:rotate(45deg);color:var(--accent-600)}
.faq-a{
  max-height:0;overflow:hidden;opacity:0;
  transition:max-height .28s ease,opacity .24s ease,padding .24s ease;
}
.faq-item.is-open .faq-a{opacity:1;padding-bottom:18px}
.faq-a p{font-size:15px;line-height:1.9;color:var(--ink-2)}

/* ============ CTA 条 ============ */
.cta-section{padding:0 0 var(--sec-y)}
.cta-band{
  position:relative;overflow:hidden;
  background:var(--brand-900);
  border-radius:var(--r-lg);
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 1px 2px rgba(28,27,25,.06),0 26px 60px -40px rgba(16,58,48,.9);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:18px 18px;opacity:.05;pointer-events:none;
}
.cta-text{position:relative;z-index:1;max-width:660px}
.cta-text h2{
  color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-bottom:10px;
}
.cta-text p{color:rgba(255,255,255,.78);font-size:15.5px;line-height:1.85}
.cta-actions{
  position:relative;z-index:1;display:flex;align-items:center;gap:16px;flex-wrap:wrap;flex:0 0 auto;
}
.cta-actions .link-arrow{color:#fff}
.cta-actions .link-arrow:hover{color:#F7E7DE}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--paper);
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{
  font-size:14px;line-height:1.85;color:var(--ink-2);max-width:340px;
}
.footer-col h3{
  font-size:15px;font-weight:700;margin-bottom:16px;color:var(--ink);
  font-family:var(--font-body);letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:10px}
.footer-col p{font-size:14px;line-height:1.85;color:var(--ink-2)}
.footer-col a{font-size:14px;color:var(--ink-2)}
.footer-col a:hover{color:var(--brand-500);text-decoration:underline}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);line-height:1.8;
}

/* ============ 断点 ============ */
@media (max-width:1279px){
  :root{--sec-y:80px}
  .hero-inner{gap:36px}
  .issue-layout{grid-template-columns:300px 1fr;gap:40px}
}
@media (max-width:1023px){
  :root{--sec-y:72px}
  .header-top{height:68px;gap:14px}
  .nav-search{max-width:400px}
  .hero-inner{grid-template-columns:1fr;gap:28px;padding:26px 0 40px}
  .hero-panel{max-width:560px}
  .entry-grid{grid-template-columns:1fr}
  .method-grid{grid-template-columns:repeat(2,1fr)}
  .method-card.is-featured{transform:none}
  .flow-grid{grid-template-columns:1fr;gap:16px}
  .stats{grid-template-columns:repeat(2,1fr);gap:20px;padding:32px 0}
  .stat-item:nth-child(2)::after{display:none}
  .issue-layout{grid-template-columns:1fr;gap:28px}
  .faq-grid{grid-template-columns:1fr;gap:0}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:1 / -1}
  .cta-band{padding:36px 32px;flex-direction:column;align-items:flex-start;gap:24px}
}
@media (max-width:767px){
  :root{--sec-y:56px}
  .container{padding:0 18px}
  .header-top{flex-wrap:wrap;height:auto;padding:12px 0;gap:12px;row-gap:12px}
  .logo{font-size:16px}
  .logo-mark{width:30px;height:30px;border-radius:9px}
  .header-actions{gap:8px}
  .header-actions .btn-outline{display:none}
  .header-actions .btn{height:40px;padding:0 14px;font-size:14px}
  .nav-toggle{display:inline-flex;width:40px;height:40px}
  .nav-search{order:3;flex:1 1 100%;max-width:none;height:42px;margin:0}
  .cat-bar{display:none}
  .page-hero::before{opacity:.10}
  .hero-inner{padding:22px 0 34px;gap:24px}
  .page-hero h1{font-size:clamp(26px,7vw,32px)}
  .hero-sub{font-size:15.5px}
  .hero-panel{padding:18px}
  .entry-card{grid-template-columns:1fr}
  .entry-media{border-right:0;border-bottom:1px solid var(--line)}
  .entry-media img{aspect-ratio:16/9}
  .entry-body{padding:18px}
  .method-grid{grid-template-columns:1fr}
  .method-card{padding:22px 18px}
  .flow-step{padding:22px 18px}
  .stats{gap:18px}
  .stat-item{padding-right:10px}
  .stat-item::after{display:none}
  .issue-list-item{grid-template-columns:36px 1fr;gap:12px;padding:18px 0}
  .issue-icon{width:36px;height:36px;border-radius:10px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding-bottom:32px}
  .footer-brand{grid-column:1 / -1}
  .footer-col:last-child{grid-column:1 / -1}
  .cta-band{padding:28px 22px;border-radius:16px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .cta-actions .link-arrow{width:100%;justify-content:center}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:479px){
  :root{--sec-y:48px}
  .container{padding:0 16px}
  body{font-size:16px;line-height:1.85}
  .section-head h2{font-size:22px}
  .hero-tags{gap:8px}
  .tag{font-size:12.5px;padding:4px 11px}
  .footer-grid{grid-template-columns:1fr}
  .stat-num{font-size:26px}
  .faq-q{font-size:15px}
  .btn{height:42px;font-size:14.5px}
}

/* roulang page: category2 */
:root{
  --brand-900:#103A30;
  --brand-700:#17584A;
  --brand-500:#2C7A66;
  --brand-50:#EAF2EE;
  --accent-600:#C2643C;
  --accent-100:#F7E7DE;
  --copper:#B07D4A;
  --paper:#F7F4EE;
  --white:#FFFFFF;
  --line:#E2DED4;
  --ink:#1C1B19;
  --gray:#5C6159;
  --gray-2:#8A8F86;
  --ok:#2C7A66;
  --warn:#B4791F;
  --err:#B4372B;
  --disabled:#C9C6BC;
  --r-sm:8px;
  --r-card:14px;
  --r-lg:20px;
  --shadow-sm:0 1px 2px rgba(28,27,25,.06),0 10px 28px -18px rgba(28,27,25,.22);
  --shadow-md:0 2px 4px rgba(28,27,25,.08),0 18px 40px -20px rgba(28,27,25,.28);
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-body:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --container:1200px;
  --sp-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
svg{display:block;}
:focus-visible{outline:2px solid var(--accent-600);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------------- Header ---------------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 28px -22px rgba(28,27,25,.5);}
.header-inner{
  display:flex;
  align-items:center;
  gap:22px;
  min-height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:30px;height:30px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:9px;
  background:var(--brand-50);
  border:1px solid rgba(23,88,74,.22);
  color:var(--brand-700);
}
.logo-text{
  font-family:var(--font-display);
  font-size:17.5px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--brand-900);
  white-space:nowrap;
}
.search{
  flex:1 1 420px;
  max-width:520px;
  height:44px;
  display:flex;
  align-items:center;
  gap:9px;
  padding:0 8px 0 13px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:12px;
  transition:border-color .18s ease, box-shadow .18s ease;
}
.search:hover{border-color:#CFC9BC;}
.search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(44,122,102,.16);}
.search svg{color:var(--gray-2);flex-shrink:0;}
.search input{
  flex:1;
  min-width:0;
  height:100%;
  border:0;
  background:none;
  outline:none;
  font-size:14.5px;
  color:var(--ink);
}
.search input::placeholder{color:var(--gray-2);}
.search-clear{
  width:26px;height:26px;
  display:none;
  align-items:center;justify-content:center;
  border-radius:50%;
  color:var(--gray-2);
  transition:background .16s ease,color .16s ease;
}
.search-clear:hover{background:var(--paper);color:var(--ink);}
.search.has-value .search-clear{display:inline-flex;}
.search-go{
  height:32px;padding:0 12px;
  border-radius:8px;
  background:var(--brand-900);
  color:#fff;
  font-size:13.5px;
  font-weight:600;
  display:inline-flex;align-items:center;
  transition:background .18s ease;
}
.search-go:hover{background:var(--brand-700);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:10px;
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.btn-primary{
  background:var(--accent-600);
  color:#fff;
  box-shadow:0 2px 4px rgba(194,100,60,.18),0 12px 24px -16px rgba(194,100,60,.8);
}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-1px);box-shadow:0 4px 8px rgba(194,100,60,.22),0 16px 28px -16px rgba(194,100,60,.8);}
.btn-primary:active{transform:translateY(0);filter:brightness(.9);}
.btn-ghost{
  background:transparent;
  border:1px solid rgba(23,88,74,.55);
  color:var(--brand-700);
}
.btn-ghost:hover{background:var(--brand-50);border-color:var(--brand-700);}
.btn-ghost:active{background:#DFEDE6;}
.btn-sm{height:38px;padding:0 15px;font-size:14px;border-radius:9px;}
.btn[disabled],.btn.is-disabled{background:#EDEAE2;color:var(--gray-2);border-color:var(--line);box-shadow:none;cursor:not-allowed;transform:none;filter:none;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--brand-700);
  transition:color .18s ease;
}
.btn-link svg{transition:transform .18s ease;}
.btn-link:hover{color:var(--accent-600);}
.btn-link:hover svg{transform:translateX(3px);}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--white);
  color:var(--brand-900);
  flex-shrink:0;
}
.nav-toggle:hover{background:var(--brand-50);border-color:rgba(44,122,102,.4);}

/* ---------------- Category bar ---------------- */
.cat-bar{
  display:flex;
  align-items:center;
  gap:2px;
  overflow-x:auto;
  padding:0 0 6px;
  scrollbar-width:none;
}
.cat-bar::-webkit-scrollbar{display:none;}
.cat-bar a{
  position:relative;
  padding:8px 13px 10px;
  font-size:14.5px;
  color:var(--gray);
  white-space:nowrap;
  border-radius:8px 8px 0 0;
  transition:color .18s ease,background .18s ease;
}
.cat-bar a::after{
  content:"";
  position:absolute;
  left:13px;right:13px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:transparent;
  transition:background .18s ease;
}
.cat-bar a:hover{color:var(--brand-700);background:var(--brand-50);}
.cat-bar a.is-active{color:var(--ink);font-weight:600;}
.cat-bar a.is-active::after{background:var(--accent-600);}

/* ---------------- Drawer ---------------- */
.drawer{position:fixed;inset:0;z-index:120;}
.drawer[hidden]{display:none;}
.drawer-mask{
  position:absolute;inset:0;
  background:rgba(28,27,25,.42);
  backdrop-filter:blur(2px);
  opacity:0;
  transition:opacity .24s ease;
}
.drawer-panel{
  position:absolute;
  top:0;right:0;
  width:min(340px,86vw);
  height:100%;
  background:var(--white);
  border-left:1px solid var(--line);
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:18px;
  overflow-y:auto;
  transform:translateX(100%);
  transition:transform .26s cubic-bezier(.32,.72,.35,1);
}
.drawer.is-open .drawer-mask{opacity:1;}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;font-family:var(--font-display);font-size:17px;font-weight:700;color:var(--brand-900);}
.drawer-close{width:34px;height:34px;border-radius:9px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--gray);}
.drawer-close:hover{background:var(--paper);color:var(--ink);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{padding:11px 12px;border-radius:10px;font-size:15px;color:var(--gray);border:1px solid transparent;}
.drawer-nav a:hover{background:var(--brand-50);color:var(--brand-700);}
.drawer-nav a.is-active{background:var(--brand-50);color:var(--brand-900);font-weight:600;border-color:rgba(44,122,102,.22);}
.drawer-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);}

/* ---------------- Hero ---------------- */
.page-hero{
  position:relative;
  padding:46px 0 44px;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(100deg,rgba(247,244,238,.97) 0%,rgba(247,244,238,.93) 46%,rgba(247,244,238,.74) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(23,88,74,.16) 1px,transparent 1px);
  background-size:16px 16px;
  opacity:.35;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}
.crumb{
  display:flex;
  align-items:center;
  gap:7px;
  font-size:13px;
  color:var(--gray-2);
  margin-bottom:14px;
  flex-wrap:wrap;
}
.crumb a:hover{color:var(--brand-700);text-decoration:underline;}
.crumb span{color:#BEB8AB;}
.page-hero h1{
  font-family:var(--font-display);
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.25;
  font-weight:700;
  color:var(--brand-900);
  max-width:19em;
  margin-bottom:14px;
}
.page-hero .hero-lead{
  font-size:16.5px;
  color:var(--gray);
  max-width:42em;
  margin-bottom:24px;
}
.hero-search{
  display:flex;
  align-items:center;
  gap:10px;
  width:min(560px,100%);
  height:48px;
  padding:0 8px 0 15px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:12px;
  box-shadow:var(--shadow-sm);
  margin-bottom:16px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.hero-search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(44,122,102,.15);}
.hero-search svg{color:var(--gray-2);flex-shrink:0;}
.hero-search input{flex:1;min-width:0;height:100%;border:0;background:none;outline:none;font-size:15px;}
.hero-search input::placeholder{color:var(--gray-2);}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:32px;
  padding:0 13px;
  border-radius:999px;
  background:rgba(255,255,255,.86);
  border:1px solid var(--line);
  font-size:13.5px;
  color:var(--gray);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.chip:hover{border-color:rgba(44,122,102,.45);color:var(--brand-700);background:#fff;}

/* ---------------- Section base ---------------- */
.section{padding:var(--sp-section) 0 0;}
.section-head{max-width:720px;margin-bottom:34px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.1em;
  color:var(--brand-700);
  text-transform:uppercase;
  margin-bottom:10px;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent-600);}
.section-head h2{
  font-family:var(--font-display);
  font-size:clamp(24px,3vw,34px);
  line-height:1.35;
  font-weight:700;
  color:var(--brand-900);
  margin-bottom:12px;
}
.section-head p{font-size:16px;color:var(--gray);}

/* ---------------- Layout with side index ---------------- */
.layout{
  display:grid;
  grid-template-columns:268px minmax(0,1fr);
  gap:40px;
  align-items:start;
}
.side-index{
  position:sticky;
  top:104px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:18px 16px;
  box-shadow:var(--shadow-sm);
}
.side-title{
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.1em;
  color:var(--gray-2);
  margin:0 0 12px 4px;
}
.side-list{display:flex;flex-direction:column;gap:2px;}
.side-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:9px 11px;
  border-radius:8px;
  font-size:14.5px;
  color:var(--gray);
  transition:background .18s ease,color .18s ease;
}
.side-list a:hover{background:var(--brand-50);color:var(--brand-700);}
.side-list a.is-current{background:var(--brand-50);color:var(--brand-900);font-weight:600;}
.side-list .count{
  font-size:12px;
  color:var(--gray-2);
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:999px;
  padding:1px 8px;
  line-height:1.6;
}
.side-note{
  margin-top:14px;
  padding:12px;
  border-radius:10px;
  background:var(--paper);
  border:1px solid var(--line);
  font-size:13px;
  line-height:1.75;
  color:var(--gray);
}
.side-note strong{color:var(--brand-700);}

/* ---------------- Verify list ---------------- */
.verify-list{display:flex;flex-direction:column;gap:16px;}
.verify-item{
  display:grid;
  grid-template-columns:52px minmax(0,1fr);
  gap:18px;
  padding:24px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
  scroll-margin-top:110px;
}
.verify-item:hover{
  border-color:rgba(44,122,102,.45);
  box-shadow:var(--shadow-md);
  transform:translateY(-2px);
}
.verify-icon{
  width:46px;height:46px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid rgba(176,125,74,.45);
  color:var(--copper);
  background:var(--white);
}
.verify-body{min-width:0;}
.verify-head{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:8px;
}
.verify-head h3{
  font-family:var(--font-display);
  font-size:19px;
  line-height:1.5;
  font-weight:600;
  color:var(--ink);
}
.badge{
  display:inline-flex;
  align-items:center;
  height:23px;
  padding:0 10px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:500;
  background:var(--paper);
  border:1px solid var(--line);
  color:var(--gray);
  white-space:nowrap;
}
.badge-ok{background:rgba(44,122,102,.12);border-color:rgba(44,122,102,.24);color:var(--ok);}
.badge-warn{background:rgba(180,121,31,.12);border-color:rgba(180,121,31,.26);color:var(--warn);}
.badge-accent{background:var(--accent-100);border-color:rgba(194,100,60,.28);color:var(--accent-600);}
.verify-body p{
  font-size:15.5px;
  color:var(--gray);
  line-height:1.85;
  margin-bottom:14px;
}
.verify-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  padding-top:14px;
  border-top:1px dashed var(--line);
}
.verify-meta{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  font-size:13.5px;
  color:var(--gray-2);
}
.verify-meta span{display:inline-flex;align-items:center;gap:6px;}
.verify-meta svg{color:var(--brand-500);}

/* ---------------- Split block ---------------- */
.split{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:44px;
  align-items:center;
}
.split-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  background:var(--paper);
  aspect-ratio:16/11;
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split h2{
  font-family:var(--font-display);
  font-size:clamp(24px,3vw,32px);
  line-height:1.35;
  font-weight:700;
  color:var(--brand-900);
  margin-bottom:14px;
}
.split p{font-size:16px;color:var(--gray);margin-bottom:16px;}
.check-list{display:flex;flex-direction:column;gap:12px;margin-bottom:24px;}
.check-list li{
  display:flex;
  gap:10px;
  font-size:15.5px;
  color:var(--ink);
  line-height:1.8;
}
.check-list li svg{flex-shrink:0;margin-top:5px;color:var(--brand-500);}

/* ---------------- Steps ---------------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.step{
  position:relative;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 22px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:rgba(44,122,102,.4);}
.step-no{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--brand-900);
  color:#fff;
  font-size:14px;
  font-weight:700;
  margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:8px;color:var(--ink);}
.step p{font-size:14.5px;color:var(--gray);line-height:1.8;}

/* ---------------- Notice strip ---------------- */
.notice{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:20px 22px;
  border-radius:var(--r-card);
  background:var(--accent-100);
  border:1px solid rgba(194,100,60,.24);
  font-size:15px;
  color:#7A4327;
  line-height:1.8;
}
.notice svg{flex-shrink:0;margin-top:4px;color:var(--accent-600);}

/* ---------------- FAQ ---------------- */
.faq-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0 36px;
  align-items:start;
}
.faq-item{
  border-bottom:1px solid var(--line);
  padding:0;
}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 2px;
  cursor:pointer;
  list-style:none;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-700);}
.faq-item summary .faq-icon{
  flex-shrink:0;
  width:26px;height:26px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--brand-700);
  transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.faq-item[open] summary .faq-icon{transform:rotate(45deg);background:var(--brand-50);border-color:rgba(44,122,102,.4);}
.faq-answer{
  padding:0 2px 20px;
  font-size:15px;
  line-height:1.9;
  color:var(--gray);
}

/* ---------------- CTA ---------------- */
.cta-band{
  position:relative;
  margin-top:var(--sp-section);
  background:var(--brand-900);
  border-radius:var(--r-lg);
  padding:44px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:18px 18px;
  opacity:.05;
  pointer-events:none;
}
.cta-band .cta-text{position:relative;z-index:1;max-width:620px;}
.cta-band h2{
  font-family:var(--font-display);
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.35;
  font-weight:700;
  color:#fff;
  margin-bottom:10px;
}
.cta-band p{font-size:15.5px;color:rgba(255,255,255,.76);}
.cta-band .cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;}
.btn-onDark{
  background:transparent;
  border:1px solid rgba(255,255,255,.42);
  color:#fff;
}
.btn-onDark:hover{background:rgba(255,255,255,.1);border-color:#fff;}

/* ---------------- Footer ---------------- */
.site-footer{
  margin-top:var(--sp-section);
  background:var(--paper);
  border-top:1px solid var(--line);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.2fr;
  gap:36px;
  padding:56px 0 40px;
}
.footer-brand .logo{margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--gray);max-width:32em;}
.footer-col h3{
  font-size:14px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--ink);
  margin-bottom:14px;
}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col li{font-size:14px;color:var(--gray);line-height:1.75;}
.footer-col a{font-size:14px;color:var(--gray);transition:color .18s ease;}
.footer-col a:hover{color:var(--brand-500);text-decoration:underline;}
.footer-col p{font-size:14px;color:var(--gray);line-height:1.9;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:18px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--gray-2);
}

/* ---------------- Responsive ---------------- */
@media (max-width:1279px){
  :root{--sp-section:80px;}
  .layout{grid-template-columns:236px minmax(0,1fr);gap:32px;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1023px){
  :root{--sp-section:72px;}
  .layout{grid-template-columns:1fr;gap:24px;}
  .side-index{position:static;padding:14px;}
  .side-title{margin-bottom:10px;}
  .side-list{
    flex-direction:row;
    gap:8px;
    overflow-x:auto;
    padding-bottom:4px;
    scrollbar-width:none;
  }
  .side-list::-webkit-scrollbar{display:none;}
  .side-list a{
    border:1px solid var(--line);
    border-radius:999px;
    padding:7px 14px;
    white-space:nowrap;
    font-size:13.5px;
  }
  .side-list .count{display:none;}
  .side-note{display:none;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split-media{order:-1;aspect-ratio:16/9;}
  .faq-grid{grid-template-columns:1fr;gap:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;padding:44px 0 32px;}
}
@media (max-width:767px){
  :root{--sp-section:56px;}
  body{font-size:16px;line-height:1.85;}
  .container{padding:0 18px;}
  .header-inner{flex-wrap:wrap;gap:12px;padding:12px 0 6px;min-height:0;}
  .header-actions{display:none;}
  .nav-toggle{display:inline-flex;}
  .logo-text{font-size:16px;}
  .search{order:3;flex:1 1 100%;max-width:none;margin-bottom:2px;}
  .cat-bar{display:none;}
  .page-hero{padding:34px 0 32px;}
  .page-hero h1{font-size:clamp(24px,6.4vw,32px);}
  .page-hero .hero-lead{font-size:15.5px;margin-bottom:20px;}
  .hero-search{height:46px;}
  .verify-item{grid-template-columns:1fr;gap:14px;padding:20px;}
  .verify-icon{width:42px;height:42px;}
  .steps{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;gap:22px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
}
@media (max-width:479px){
  .container{padding:0 16px;}
  .logo-text{font-size:15px;}
  .logo-mark{width:27px;height:27px;}
  .search{height:42px;}
  .search-go{display:none;}
  .verify-head h3{font-size:17.5px;}
  .verify-foot{flex-direction:column;align-items:flex-start;gap:10px;}
  .section-head h2{font-size:23px;}
}

/* roulang page: category3 */
:root{
  --brand-900:#103A30;
  --brand-700:#17584A;
  --brand-500:#2C7A66;
  --brand-50:#EAF2EE;
  --accent-600:#C2643C;
  --accent-100:#F7E7DE;
  --copper:#B07D4A;
  --paper:#F7F4EE;
  --white:#FFFFFF;
  --line:#E2DED4;
  --ink:#1C1B19;
  --ink-2:#5C6159;
  --ink-3:#8A8F86;
  --ok:#2C7A66;
  --warn:#B4791F;
  --err:#B4372B;
  --muted:#C9C6BC;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --sh-1:0 1px 2px rgba(28,27,25,.06),0 10px 28px -18px rgba(28,27,25,.22);
  --sh-2:0 2px 6px rgba(28,27,25,.09),0 18px 40px -22px rgba(28,27,25,.30);
  --display:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --body:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--body);
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
input,button,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-family:var(--display);font-weight:700;letter-spacing:.01em}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:2px solid var(--accent-600);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.35;margin-bottom:14px}
.section-head p{color:var(--ink-2);font-size:16px;line-height:1.9}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--body);font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--accent-600);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent-600)}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,.96);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-stuck{box-shadow:0 10px 26px -20px rgba(28,27,25,.65)}
.header-top{
  display:flex;align-items:center;gap:24px;
  height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:11px;
  background:var(--brand-900);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.logo-text{
  font-family:var(--display);font-size:18px;font-weight:700;
  color:var(--brand-900);letter-spacing:.02em;white-space:nowrap;
}
.nav-search{
  position:relative;display:flex;align-items:center;
  flex:1;max-width:520px;margin:0 auto;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:12px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:hover{border-color:#CFC9BC}
.nav-search:focus-within{
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(44,122,102,.16);
}
.nav-search .search-icon{position:absolute;left:14px;color:var(--ink-3);pointer-events:none}
.nav-search input{
  width:100%;height:44px;border:0;background:transparent;
  padding:0 96px 0 44px;border-radius:12px;
  font-size:15px;outline:none;
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search input::-webkit-search-cancel-button{display:none}
.search-clear{
  position:absolute;right:74px;width:22px;height:22px;border:0;padding:0;
  border-radius:50%;background:var(--paper);color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
}
.search-clear:hover{background:var(--accent-100);color:var(--accent-600)}
.search-shortcut{
  position:absolute;right:8px;
  font-size:13px;font-weight:600;color:var(--brand-700);
  background:var(--brand-50);
  border-radius:var(--r-sm);
  padding:6px 10px;white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.search-shortcut:hover{background:var(--brand-900);color:#fff}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;
  border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;white-space:nowrap;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.btn-primary{
  background:var(--accent-600);color:#fff;
  box-shadow:0 1px 2px rgba(28,27,25,.1);
}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.9)}
.btn-ghost{
  background:transparent;color:var(--brand-700);
  border-color:var(--brand-700);
}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-700)}
.btn-ghost:active{background:var(--brand-50);transform:translateY(0)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:var(--r-sm)}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{
  background:var(--muted);color:#fff;border-color:transparent;
  cursor:not-allowed;box-shadow:none;transform:none;filter:none;opacity:.9;
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-700);
  transition:color .18s ease;
}
.text-link svg{transition:transform .18s ease}
.text-link:hover{color:var(--accent-600)}
.text-link:hover svg{transform:translateX(2px)}

.menu-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;margin-left:auto;
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--white);color:var(--brand-900);cursor:pointer;
}
.menu-toggle:hover{border-color:var(--brand-500);background:var(--brand-50)}

.cat-bar-wrap{border-top:1px solid transparent}
.cat-bar{
  display:flex;gap:28px;
  overflow-x:auto;scrollbar-width:none;
}
.cat-bar::-webkit-scrollbar{display:none}
.cat-bar a{
  position:relative;display:inline-block;
  padding:13px 0 12px;
  font-size:15px;color:var(--ink-2);white-space:nowrap;
  border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.cat-bar a:hover{color:var(--brand-700)}
.cat-bar a.is-active{
  color:var(--brand-900);font-weight:600;
  border-bottom-color:var(--accent-600);
}

/* ============ 抽屉 ============ */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(16,58,48,.42);
  z-index:90;opacity:0;animation:fadeIn .2s ease forwards;
}
@keyframes fadeIn{to{opacity:1}}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);
  z-index:100;background:var(--paper);
  border-left:1px solid var(--line);
  padding:20px;overflow-y:auto;
  transform:translateX(102%);
  transition:transform .28s cubic-bezier(.4,.1,.2,1);
  display:flex;flex-direction:column;gap:18px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{
  width:36px;height:36px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--white);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-2);cursor:pointer;
}
.drawer-close:hover{border-color:var(--brand-500);color:var(--brand-700)}
.drawer .nav-search{max-width:none;margin:0}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer-nav a{
  padding:13px 2px;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--ink-2);
}
.drawer-nav a:hover{color:var(--brand-700)}
.drawer-nav a.is-active{color:var(--brand-900);font-weight:600}
.drawer-actions{display:flex;flex-direction:column;gap:10px;margin-top:auto}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--white);
  border-bottom:1px solid var(--line);
  padding:52px 0 46px;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(16,58,48,.16) 1px,transparent 1px);
  background-size:16px 16px;opacity:.18;
}
.page-hero .container{position:relative;z-index:1}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);margin-bottom:18px;
}
.crumb a:hover{color:var(--brand-700);text-decoration:underline}
.crumb span{color:var(--ink-3)}
.page-hero h1{
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.28;color:var(--brand-900);
  max-width:860px;margin-bottom:16px;
}
.page-hero .hero-sub{
  font-size:16px;line-height:1.9;color:var(--ink-2);
  max-width:700px;margin-bottom:26px;
}
.hero-search{
  position:relative;display:flex;align-items:center;
  max-width:520px;background:var(--paper);
  border:1px solid var(--line);border-radius:12px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.hero-search:hover{border-color:#CFC9BC;background:var(--white)}
.hero-search:focus-within{
  background:var(--white);border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(44,122,102,.16);
}
.hero-search .search-icon{position:absolute;left:15px;color:var(--ink-3);pointer-events:none}
.hero-search input{
  width:100%;height:52px;border:0;background:transparent;
  padding:0 108px 0 46px;border-radius:12px;font-size:15px;outline:none;
}
.hero-search input::placeholder{color:var(--ink-3)}
.hero-search .search-clear{right:82px}
.hero-search .search-shortcut{right:9px;padding:8px 12px}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;
}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;
  background:var(--paper);border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);
}
.pill--brand{background:var(--brand-50);border-color:rgba(44,122,102,.28);color:var(--brand-700);font-weight:600}

/* ============ 标签胶囊行 ============ */
.tag-row{
  display:flex;flex-wrap:wrap;gap:10px;
  padding-bottom:26px;margin-bottom:34px;
  border-bottom:1px solid var(--line);
}
.tag{
  display:inline-flex;align-items:center;
  height:36px;padding:0 16px;border-radius:999px;
  background:var(--white);border:1px solid var(--line);
  font-size:14px;color:var(--ink-2);cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.tag:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px)}
.tag.is-active{
  background:var(--brand-900);border-color:var(--brand-900);
  color:#fff;font-weight:600;
}
.tag.is-active:hover{color:#fff;background:var(--brand-700);border-color:var(--brand-700)}

/* ============ 等级卡 ============ */
.tier-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:24px;align-items:start;
}
.tier-card{
  position:relative;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:28px 26px 26px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tier-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(44,122,102,.45)}
.tier-card.is-featured{
  border:2px solid var(--accent-600);
  box-shadow:var(--sh-2);
  transform:translateY(-8px);
}
.tier-card.is-featured:hover{transform:translateY(-10px)}
.tier-badge{
  position:absolute;top:-13px;right:20px;
  padding:4px 12px;border-radius:999px;
  background:var(--accent-600);color:#fff;
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.tier-name{
  display:flex;align-items:center;gap:8px;
  font-size:18px;font-weight:600;font-family:var(--body);
  color:var(--ink);margin-bottom:6px;
}
.tier-name .dot{width:8px;height:8px;border-radius:50%;background:var(--copper)}
.tier-price{
  display:flex;align-items:baseline;gap:6px;
  margin:14px 0 8px;
}
.tier-price strong{
  font-family:var(--display);font-size:32px;line-height:1;
  color:var(--brand-900);
}
.tier-price span{font-size:13px;color:var(--ink-3)}
.tier-desc{font-size:14px;line-height:1.8;color:var(--ink-2);margin-bottom:18px}
.tier-list{padding-top:18px;border-top:1px solid var(--line);margin-bottom:22px}
.tier-list li{
  display:flex;align-items:flex-start;gap:9px;
  font-size:14px;line-height:1.75;color:var(--ink-2);
  margin-bottom:11px;
}
.tier-list li:last-child{margin-bottom:0}
.tier-list svg{flex-shrink:0;margin-top:5px;color:var(--brand-500)}
.tier-card .text-link{font-size:14px}

/* ============ 权益明细对照 ============ */
.benefit-shell{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.benefit-head{
  display:grid;grid-template-columns:1.7fr repeat(3,1fr);
  background:var(--brand-900);color:#fff;
  padding:16px 24px;
  font-size:14px;font-weight:600;
}
.benefit-head span:not(:first-child){text-align:center}
.benefit-group{border-top:1px solid var(--line)}
.benefit-group:first-of-type{border-top:0}
.benefit-group-title{
  font-family:var(--body);
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-700);
  background:var(--brand-50);
  padding:10px 24px;
}
.benefit-row{
  display:grid;grid-template-columns:1.7fr repeat(3,1fr);
  align-items:center;
  padding:0 24px;min-height:54px;
  border-top:1px solid var(--line);
  transition:background .16s ease;
}
.benefit-row:nth-child(odd){background:rgba(247,244,238,.5)}
.benefit-row:hover{background:var(--brand-50)}
.b-name{font-size:15px;color:var(--ink);padding:14px 0}
.benefit-state{
  display:flex;align-items:center;justify-content:center;gap:7px;
  font-size:14px;color:var(--ink-2);padding:14px 0;
}
.benefit-state.is-on{color:var(--brand-700);font-weight:600}
.benefit-state.is-off{color:var(--ink-3)}
.benefit-state .dash{width:12px;height:2px;background:var(--muted);border-radius:2px}
.b-label{display:none;font-size:12px;color:var(--ink-3);font-weight:400}

/* ============ 数字证据 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.stat-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 24px;
  box-shadow:var(--sh-1);
}
.stat-card .num{
  font-family:var(--display);font-size:36px;line-height:1.1;
  color:var(--brand-900);margin-bottom:6px;
}
.stat-card .num em{font-style:normal;font-size:16px;color:var(--accent-600);margin-left:4px}
.stat-card h3{
  font-family:var(--body);font-size:16px;font-weight:600;
  margin-bottom:8px;color:var(--ink);
}
.stat-card p{font-size:14px;line-height:1.8;color:var(--ink-2)}

/* ============ 场景图文 ============ */
.split{
  display:grid;grid-template-columns:1fr 1fr;
  gap:48px;align-items:center;
}
.split-media{
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  background:var(--paper);
  aspect-ratio:16/11;
}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-body h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;margin-bottom:14px}
.split-body > p{color:var(--ink-2);margin-bottom:22px}
.check-list li{
  display:flex;gap:11px;align-items:flex-start;
  font-size:15px;line-height:1.85;color:var(--ink-2);
  margin-bottom:14px;
}
.check-list li:last-child{margin-bottom:0}
.check-list .mark{
  flex-shrink:0;width:24px;height:24px;border-radius:8px;
  background:var(--brand-50);color:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;
  margin-top:4px;
}
.check-list strong{color:var(--ink);font-weight:600}

/* ============ FAQ ============ */
.faq-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:0 48px;
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--ink);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--brand-700)}
.faq-icon{
  position:relative;flex-shrink:0;width:22px;height:22px;
  border:1px solid var(--line);border-radius:50%;
  background:var(--white);
  transition:border-color .18s ease,background .18s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--brand-700);border-radius:1px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:1.5px}
.faq-icon::after{width:1.5px;height:10px;transition:transform .2s ease,opacity .2s ease}
.faq-item.is-open .faq-icon{background:var(--brand-50);border-color:rgba(44,122,102,.45)}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows .26s ease;
}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{
  font-size:15px;line-height:1.9;color:var(--ink-2);
  padding:0 34px 20px 0;margin:0;
}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--brand-900);
  border-radius:var(--r-lg);
  padding:48px;
  display:grid;grid-template-columns:1fr auto;
  gap:32px;align-items:center;
  color:#fff;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:18px 18px;opacity:.07;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{
  font-size:clamp(23px,2.6vw,30px);line-height:1.35;
  color:#fff;margin-bottom:10px;
}
.cta-band p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.82);max-width:640px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  background:var(--paper);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;padding-bottom:40px;
  border-bottom:1px solid var(--line);
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{
  font-size:14px;line-height:1.9;color:var(--ink-2);max-width:340px;
}
.footer-col h3{
  font-family:var(--body);font-size:14px;font-weight:600;
  color:var(--ink);letter-spacing:.04em;margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col a{
  font-size:14px;color:var(--ink-2);
  transition:color .18s ease;
}
.footer-col a:hover{color:var(--brand-500);text-decoration:underline}
.footer-col p{font-size:14px;line-height:1.9;color:var(--ink-2);margin-bottom:8px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:24px;
  font-size:13px;color:var(--ink-3);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .section{padding:80px 0}
  .split{gap:36px}
}

@media (max-width:1023px){
  .tier-grid{grid-template-columns:1fr;gap:20px}
  .tier-card.is-featured{transform:none}
  .tier-card.is-featured:hover{transform:translateY(-2px)}
  .stat-strip{grid-template-columns:1fr;gap:16px}
  .split{grid-template-columns:1fr;gap:28px}
  .faq-grid{grid-template-columns:1fr;gap:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;padding:40px}
  .benefit-head,.benefit-row{grid-template-columns:1.4fr repeat(3,1fr)}
}

@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section--tight{padding:44px 0}

  .header-top{flex-wrap:wrap;height:auto;padding:12px 0;gap:12px}
  .logo{order:1}
  .logo-text{font-size:16px}
  .menu-toggle{display:inline-flex;order:2;margin-left:auto}
  .header-actions{display:none}
  .nav-search{order:3;width:100%;max-width:none;margin:0}
  .nav-search input{height:42px;padding-right:92px}
  .search-shortcut{font-size:12px;padding:5px 9px}
  .cat-bar-wrap{display:none}

  .page-hero{padding:34px 0 32px}
  .page-hero h1{font-size:clamp(24px,6.4vw,32px)}
  .page-hero .hero-sub{font-size:15px;margin-bottom:20px}
  .hero-search input{height:46px;padding-right:96px}
  .hero-search .search-clear{right:76px}

  .tag-row{padding-bottom:18px;margin-bottom:24px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
  .tag-row::-webkit-scrollbar{display:none}

  .benefit-head{display:none}
  .benefit-group-title{font-size:12px;padding:9px 18px}
  .benefit-row{
    grid-template-columns:1fr;
    padding:14px 18px 16px;min-height:0;gap:6px;
  }
  .b-name{padding:0 0 4px;font-weight:600;font-size:15px}
  .benefit-state{
    justify-content:flex-start;padding:0;font-size:14px;
  }
  .benefit-state .b-label{display:inline-block;min-width:38px}

  .faq-q{font-size:15px;padding:17px 0}
  .faq-a p{padding-right:12px;font-size:14px}

  .cta-band{padding:28px 22px;border-radius:var(--r-md);gap:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1;min-width:140px}

  .site-footer{margin-top:56px;padding:44px 0 24px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:28px}
  .footer-bottom{flex-direction:column;gap:6px}
}

@media (max-width:479px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .logo-mark{width:32px;height:32px;border-radius:10px}
  .logo-text{font-size:15px}
  .tier-card{padding:22px 18px}
  .tier-price strong{font-size:28px}
  .stat-card{padding:20px 18px}
  .stat-card .num{font-size:30px}
  .cta-actions .btn{flex:1 1 100%}
}

/* roulang page: category4 */
:root{
  --brand-900:#103A30;
  --brand-700:#17584A;
  --brand-500:#2C7A66;
  --brand-50:#EAF2EE;
  --accent-600:#C2643C;
  --accent-100:#F7E7DE;
  --copper:#B07D4A;
  --paper:#F7F4EE;
  --white:#FFFFFF;
  --line:#E2DED4;
  --ink:#1C1B19;
  --muted:#5C6159;
  --soft:#8A8F86;
  --ok:#2C7A66;
  --warn:#B4791F;
  --err:#B4372B;
  --disabled:#C9C6BC;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --shadow-1:0 1px 2px rgba(28,27,25,.06),0 10px 28px -18px rgba(28,27,25,.22);
  --shadow-2:0 2px 8px rgba(28,27,25,.08),0 18px 42px -20px rgba(28,27,25,.28);
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-body:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --section-desktop:96px;
  --section-tablet:72px;
  --section-mobile:56px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:.01em;
  text-align:left;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--accent-600);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent-600);
  outline-offset:2px;
  border-radius:4px;
}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{font-family:var(--font-display);margin:0;color:var(--ink);}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.25;font-weight:700;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.35;font-weight:700;}
h3{font-size:clamp(19px,2vw,22px);line-height:1.5;font-weight:600;font-family:var(--font-body);}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--section-desktop) 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.12em;
  color:var(--brand-700);
  background:var(--brand-50);
  border:1px solid rgba(44,122,102,.22);
  border-radius:999px;
  padding:4px 12px;
  margin-bottom:14px;
}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:16px;margin:0;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px -14px rgba(28,27,25,.45);}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:72px;
  padding-top:10px;
  padding-bottom:10px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--brand-900);
  flex:0 0 auto;
}
.logo:hover{color:var(--brand-700);}
.logo-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--brand-700);
  border-radius:10px;
  background:var(--white);
  color:var(--brand-700);
}
.logo-text{
  font-family:var(--font-display);
  font-size:18px;
  font-weight:700;
  letter-spacing:.02em;
  white-space:nowrap;
}
.search-shell{
  position:relative;
  display:flex;
  align-items:center;
  flex:1 1 auto;
  max-width:520px;
  min-width:200px;
  height:44px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:12px;
  padding:0 14px 0 42px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-shell:hover{border-color:#CFC9BA;}
.search-shell:focus-within{
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(44,122,102,.16);
}
.search-icon{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  color:var(--soft);
  display:flex;
}
.search-shell input{
  width:100%;
  border:0;
  background:transparent;
  outline:none;
  font-size:15px;
  color:var(--ink);
  height:100%;
}
.search-shell input::placeholder{color:var(--soft);}
.search-clear{
  display:inline-flex;align-items:center;justify-content:center;
  width:24px;height:24px;border-radius:999px;
  color:var(--soft);
  flex:0 0 auto;
}
.search-clear:hover{background:var(--brand-50);color:var(--brand-700);}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
  flex:0 0 auto;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:10px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--accent-600);
  color:#fff;
  box-shadow:0 1px 2px rgba(28,27,25,.08),0 10px 22px -14px rgba(194,100,60,.75);
}
.btn-primary:hover{background:#B0562F;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{
  background:transparent;
  color:var(--brand-700);
  border-color:var(--brand-700);
}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-700);border-color:var(--brand-700);}
.btn-line{
  background:var(--white);
  color:var(--brand-700);
  border-color:var(--line);
}
.btn-line:hover{border-color:var(--brand-500);background:var(--brand-50);}
.btn-block{width:100%;}
.btn:disabled,.btn.is-disabled{
  background:#EFEDE6;color:var(--disabled);border-color:var(--line);
  box-shadow:none;cursor:not-allowed;transform:none;
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--accent-600);
}
.text-link svg{transition:transform .18s ease;}
.text-link:hover{color:#A8522C;}
.text-link:hover svg{transform:translateX(2px);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--white);
  align-items:center;justify-content:center;
  flex-direction:column;
  gap:4px;
  margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px;}

/* 分类条 */
.cat-bar-wrap{padding-bottom:0;}
.cat-bar{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  border-top:1px solid var(--line);
  padding:0;
}
.cat-bar::-webkit-scrollbar{display:none;}
.cat-bar a{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:14px 14px 13px;
  font-size:15px;
  color:var(--muted);
  white-space:nowrap;
  font-weight:500;
}
.cat-bar a:hover{color:var(--brand-700);background:var(--brand-50);}
.cat-bar a.is-active{color:var(--brand-900);font-weight:600;}
.cat-bar a.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:-1px;
  height:2px;
  background:var(--accent-600);
  border-radius:2px;
}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(16,58,48,.42);
  opacity:0;pointer-events:none;
  transition:opacity .22s ease;
  z-index:70;
}
.mobile-drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(86vw,340px);
  background:var(--paper);
  border-left:1px solid var(--line);
  padding:22px 20px 32px;
  transform:translateX(100%);
  transition:transform .26s ease;
  z-index:80;
  overflow-y:auto;
}
body.nav-open .drawer-mask{opacity:1;pointer-events:auto;}
body.nav-open .mobile-drawer{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head strong{font-family:var(--font-display);font-size:17px;color:var(--brand-900);}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:var(--white);display:inline-flex;align-items:center;justify-content:center;color:var(--brand-700);
}
.mobile-drawer .search-shell{max-width:none;width:100%;margin-bottom:18px;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.drawer-nav a{
  padding:12px 12px;
  border-radius:10px;
  font-size:15.5px;
  color:var(--muted);
  border:1px solid transparent;
}
.drawer-nav a:hover{background:var(--white);border-color:var(--line);color:var(--brand-700);}
.drawer-nav a.is-active{background:var(--white);border-color:var(--line);color:var(--brand-900);font-weight:600;}
.drawer-actions{display:flex;flex-direction:column;gap:10px;}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--soft);
  margin-bottom:20px;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--accent-600);}
.crumb em{font-style:normal;color:var(--soft);}

/* ---------- 分类 Hero ---------- */
.page-hero{
  position:relative;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(180deg,rgba(247,244,238,.94),rgba(247,244,238,.97)),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  padding:44px 0 52px;
}
.page-hero h1{max-width:900px;margin-bottom:16px;}
.hero-sub{
  max-width:740px;
  font-size:17px;
  color:var(--muted);
  margin-bottom:26px;
}
.hero-search{max-width:560px;width:100%;margin-bottom:26px;background:var(--white);}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:12px 32px;
  padding-top:22px;
  border-top:1px solid var(--line);
  max-width:900px;
}
.hero-facts li{display:flex;align-items:baseline;gap:8px;font-size:14.5px;color:var(--muted);}
.hero-facts strong{
  font-family:var(--font-display);
  font-size:22px;
  color:var(--brand-900);
  font-weight:700;
}

/* ---------- 时间线 ---------- */
.timeline-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;
  align-items:start;
}
.timeline{position:relative;}
.tl-item{
  position:relative;
  padding-left:76px;
  padding-bottom:34px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:19px;
  top:44px;
  bottom:0;
  width:2px;
  background:linear-gradient(180deg,rgba(44,122,102,.32),rgba(44,122,102,.06));
}
.tl-item:last-child::before{display:none;}
.tl-marker{
  position:absolute;
  left:0;top:0;
  width:40px;height:40px;
  border-radius:999px;
  background:var(--white);
  border:1px solid var(--brand-500);
  color:var(--brand-700);
  font-size:14px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-1);
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.tl-item:hover .tl-marker{background:var(--brand-900);color:#fff;border-color:var(--brand-900);transform:translateY(-1px);}
.tl-body{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 24px;
  box-shadow:var(--shadow-1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.tl-item:hover .tl-body{border-color:rgba(44,122,102,.35);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.tl-body h3{margin-bottom:8px;color:var(--brand-900);}
.tl-body p{color:var(--muted);font-size:15.5px;}
.tl-note{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:14px;
  padding:8px 12px;
  border-radius:999px;
  background:var(--accent-100);
  color:#8E4526;
  font-size:13px;
  line-height:1.6;
}

/* 侧栏 */
.aside-stack{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.aside-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px;
  box-shadow:var(--shadow-1);
}
.aside-card h3{font-size:17px;margin-bottom:10px;color:var(--brand-900);}
.aside-card p{font-size:14px;color:var(--muted);line-height:1.85;}
.aside-card figure{margin:0 0 16px;border-radius:12px;overflow:hidden;border:1px solid var(--line);}
.aside-card figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.aside-list{margin-top:14px;display:flex;flex-direction:column;gap:10px;}
.aside-list li{
  display:flex;gap:10px;
  font-size:14px;color:var(--muted);
  padding-top:10px;
  border-top:1px dashed var(--line);
}
.aside-list li:first-child{border-top:0;padding-top:0;}
.aside-list svg{flex:0 0 auto;color:var(--brand-500);margin-top:4px;}
.aside-card--dark{
  background:var(--brand-900);
  border-color:var(--brand-900);
  color:#DCE9E3;
}
.aside-card--dark h3{color:#fff;}
.aside-card--dark p{color:rgba(255,255,255,.78);}
.aside-card--dark .btn{margin-top:14px;}

/* ---------- 订阅周期对比 ---------- */
.plan-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.plan-card{
  position:relative;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 24px;
  box-shadow:var(--shadow-1);
  display:flex;
  flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(44,122,102,.35);}
.plan-card.is-featured{border:2px solid var(--accent-600);}
.plan-badge{
  position:absolute;top:-13px;right:18px;
  background:var(--accent-600);
  color:#fff;
  font-size:12px;
  line-height:1;
  padding:6px 12px;
  border-radius:999px;
  letter-spacing:.06em;
}
.plan-name{font-size:18px;font-weight:600;color:var(--brand-900);margin-bottom:6px;}
.plan-desc{font-size:14px;color:var(--muted);margin-bottom:16px;}
.plan-features{display:flex;flex-direction:column;gap:10px;margin-bottom:20px;}
.plan-features li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);line-height:1.7;}
.plan-features svg{flex:0 0 auto;color:var(--brand-500);margin-top:5px;}
.plan-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);}

/* ---------- 注意事项 ---------- */
.notice-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.notice-card{
  display:flex;
  gap:16px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.notice-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(44,122,102,.35);}
.notice-icon{
  flex:0 0 auto;
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid rgba(176,125,74,.55);
  color:var(--copper);
  display:flex;align-items:center;justify-content:center;
  background:var(--white);
}
.notice-card h3{font-size:17px;margin-bottom:6px;color:var(--brand-900);}
.notice-card p{font-size:14.5px;color:var(--muted);margin:0;}

/* ---------- FAQ ---------- */
.faq-wrap{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 48px;
}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  padding:20px 0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  line-height:1.6;
}
.faq-q:hover{color:var(--brand-700);}
.faq-sign{
  flex:0 0 auto;
  width:22px;height:22px;
  position:relative;
  margin-top:2px;
  color:var(--brand-700);
}
.faq-sign::before,.faq-sign::after{
  content:"";
  position:absolute;
  background:currentColor;
  border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.faq-sign::before{left:2px;right:2px;top:10px;height:2px;}
.faq-sign::after{top:2px;bottom:2px;left:10px;width:2px;}
.faq-item.is-open .faq-sign::after{transform:scaleY(0);opacity:0;}
.faq-a{
  display:none;
  padding:0 0 22px;
  font-size:15px;
  line-height:1.9;
  color:var(--muted);
  max-width:640px;
}
.faq-item.is-open .faq-a{display:block;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-900);
  border-radius:var(--r-lg);
  padding:44px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:16px 16px;
  opacity:.04;
  pointer-events:none;
}
.cta-band h2{color:#fff;margin-bottom:8px;font-size:clamp(22px,2.6vw,30px);}
.cta-band p{color:rgba(255,255,255,.76);margin:0;font-size:15.5px;max-width:640px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;position:relative;z-index:1;}
.cta-band .btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.42);}
.cta-band .btn-line:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.7);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--section-desktop);
  background:var(--paper);
  border-top:1px solid var(--line);
  padding:56px 0 24px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:36px;
}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.9;margin-top:14px;max-width:340px;}
.footer-col h3{
  font-family:var(--font-body);
  font-size:14px;
  font-weight:600;
  color:var(--brand-900);
  letter-spacing:.06em;
  margin-bottom:14px;
}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col a{color:var(--muted);font-size:14px;}
.footer-col a:hover{color:var(--brand-500);text-decoration:underline;}
.footer-col p{color:var(--muted);margin:0 0 8px;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding-top:20px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  color:var(--soft);
  font-size:13px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .timeline-layout{grid-template-columns:minmax(0,1fr) 290px;gap:36px;}
  .cta-band{padding:38px 34px;}
}
@media (max-width:1023px){
  .section{padding:var(--section-tablet) 0;}
  .timeline-layout{grid-template-columns:1fr;}
  .aside-stack{position:static;}
  .plan-grid{grid-template-columns:1fr;gap:20px;}
  .plan-card.is-featured{transform:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 28px;}
  .cta-actions{width:100%;}
}
@media (max-width:900px){
  .header-inner{flex-wrap:wrap;}
  .cat-bar-wrap{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn-ghost{display:none;}
  .header-inner > .search-shell{
    order:3;
    flex:1 1 100%;
    max-width:none;
    margin-top:4px;
    margin-bottom:6px;
  }
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:var(--section-mobile) 0;}
  .page-hero{padding:30px 0 40px;}
  .hero-sub{font-size:16px;}
  .hero-facts{gap:10px 22px;}
  .faq-wrap{grid-template-columns:1fr;gap:0;}
  .notice-grid{grid-template-columns:1fr;}
  .tl-item{padding-left:60px;padding-bottom:26px;}
  .tl-item::before{left:15px;top:38px;}
  .tl-marker{width:32px;height:32px;font-size:12.5px;}
  .tl-body{padding:18px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .cta-band{padding:28px 22px;border-radius:16px;}
  .site-footer{margin-top:56px;padding-top:44px;}
}
@media (max-width:479px){
  .container{padding:0 16px;}
  body{font-size:16px;}
  .header-actions .btn-primary{padding:0 14px;font-size:14px;}
  .logo-text{font-size:16px;}
  .tl-item{padding-left:52px;}
  .tl-marker{width:28px;height:28px;font-size:11.5px;}
  .tl-item::before{left:13px;top:34px;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category5 */
:root{
  --brand-900:#103A30;
  --brand-700:#17584A;
  --brand-500:#2C7A66;
  --brand-50:#EAF2EE;
  --accent-600:#C2643C;
  --accent-100:#F7E7DE;
  --copper:#B07D4A;
  --paper:#F7F4EE;
  --white:#FFFFFF;
  --line:#E2DED4;
  --ink:#1C1B19;
  --gray:#5C6159;
  --gray-light:#8A8F86;
  --success:#2C7A66;
  --warn:#B4791F;
  --error:#B4372B;
  --disabled:#C9C6BC;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(28,27,25,.06),0 10px 28px -18px rgba(28,27,25,.22);
  --shadow-2:0 2px 4px rgba(28,27,25,.08),0 18px 40px -20px rgba(28,27,25,.30);
  --container:1200px;
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-body:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md);}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent-600);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;font-size:15px;color:var(--ink);}
h1,h2,h3,h4{margin:0;font-family:var(--font-display);font-weight:700;line-height:1.35;color:var(--ink);}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.25;}
h2{font-size:clamp(24px,3vw,34px);}
h3{font-size:20px;line-height:1.5;font-weight:600;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent-600);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(28,27,25,.45);}
.header-inner{
  display:flex;align-items:center;gap:24px;
  min-height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;
  background:var(--brand-900);color:var(--brand-50);
  border:1px solid var(--brand-900);
}
.logo-text{
  font-family:var(--font-display);font-weight:700;font-size:18px;
  letter-spacing:.02em;color:var(--brand-900);white-space:nowrap;
}
.search{
  position:relative;flex:1 1 auto;max-width:520px;min-width:220px;
  display:flex;align-items:center;gap:8px;
  height:44px;padding:0 8px 0 14px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:12px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search:hover{border-color:#CFC9BC;}
.search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(44,122,102,.16);}
.search svg{flex-shrink:0;color:var(--gray-light);}
.search input{
  flex:1 1 auto;min-width:0;border:0;outline:none;background:transparent;
  height:100%;line-height:44px;
}
.search input::placeholder{color:var(--gray-light);}
.search-clear{
  display:none;align-items:center;justify-content:center;
  width:24px;height:24px;border-radius:50%;
  color:var(--gray);background:var(--paper);
}
.search-clear:hover{background:var(--brand-50);color:var(--brand-700);}
.search.has-value .search-clear{display:inline-flex;}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:var(--white);color:var(--brand-900);
}
.nav-toggle:hover{border-color:var(--brand-500);color:var(--brand-700);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:10px;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .15s ease;
}
.btn-primary{background:var(--accent-600);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:#AE5632;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{background:transparent;color:var(--brand-700);border:1px solid var(--brand-700);}
.btn-outline:hover{background:var(--brand-50);color:var(--brand-700);}
.btn-soft{background:var(--white);color:var(--brand-900);border:1px solid var(--line);}
.btn-soft:hover{border-color:var(--brand-500);color:var(--brand-700);}
.btn:disabled{background:var(--disabled);color:rgba(255,255,255,.9);cursor:not-allowed;box-shadow:none;transform:none;}

/* ---------- category bar ---------- */
.cat-bar{
  display:flex;gap:6px;overflow-x:auto;
  padding:0 0 0;
  border-top:1px solid transparent;
  scrollbar-width:none;
}
.cat-bar::-webkit-scrollbar{display:none;}
.cat-bar a{
  position:relative;
  display:inline-flex;align-items:center;
  padding:0 14px;height:52px;
  font-size:14.5px;color:var(--gray);white-space:nowrap;
  border-bottom:2px solid transparent;
}
.cat-bar a:hover{color:var(--brand-700);}
.cat-bar a.is-active{color:var(--brand-900);font-weight:600;border-bottom-color:var(--accent-600);}

/* ---------- drawer ---------- */
.overlay{
  position:fixed;inset:0;background:rgba(16,58,48,.42);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:90;
}
.overlay.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);
  background:var(--paper);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .28s ease;
  z-index:100;display:flex;flex-direction:column;gap:18px;padding:20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer-close{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;background:var(--white);color:var(--brand-900);
}
.drawer .search{max-width:none;width:100%;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  padding:14px 4px;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink);
}
.drawer-nav a.is-active{color:var(--brand-900);font-weight:600;}
.drawer .btn{width:100%;}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-color:var(--brand-900);
  background-image:linear-gradient(105deg,rgba(16,58,48,.94) 0%,rgba(16,58,48,.82) 52%,rgba(16,58,48,.58) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  color:#fff;
}
.page-hero .container{position:relative;z-index:2;padding-top:44px;padding-bottom:44px;min-height:236px;display:flex;flex-direction:column;justify-content:center;gap:14px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);}
.crumbs a:hover{color:#fff;}
.crumbs span.sep{opacity:.55;}
.page-hero h1{color:#fff;max-width:22em;}
.page-hero .hero-sub{max-width:640px;color:rgba(255,255,255,.86);font-size:16px;line-height:1.8;}
.hero-search{
  position:relative;display:flex;align-items:center;gap:10px;
  width:min(560px,100%);height:48px;padding:0 8px 0 16px;
  background:rgba(255,255,255,.97);border:1px solid rgba(255,255,255,.6);
  border-radius:12px;transition:box-shadow .2s ease,border-color .2s ease;
}
.hero-search:focus-within{border-color:var(--accent-600);box-shadow:0 0 0 3px rgba(194,100,60,.22);}
.hero-search svg{color:var(--brand-700);flex-shrink:0;}
.hero-search input{flex:1 1 auto;min-width:0;border:0;outline:none;background:transparent;height:100%;color:var(--ink);}
.hero-search input::placeholder{color:var(--gray-light);}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;}
.hero-tags a{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;
  border-radius:var(--r-pill);font-size:13px;
  color:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.34);background:rgba(255,255,255,.08);
}
.hero-tags a:hover{background:rgba(255,255,255,.18);color:#fff;}

/* ---------- sections ---------- */
.section{padding:72px 0;}
.section.tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.14em;
  color:var(--accent-600);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent-600);display:inline-block;}
.section-head p{color:var(--gray);font-size:16.5px;margin-top:12px;}

/* ---------- split feature ---------- */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
  padding:36px 0;
  border-top:1px solid var(--line);
}
.split:first-of-type{border-top:0;padding-top:0;}
.split-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--white);box-shadow:var(--shadow-1);
}
.split-media img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;}
.split-media figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:12px 16px;font-size:13px;color:#fff;
  background:linear-gradient(180deg,rgba(16,58,48,0) 0%,rgba(16,58,48,.82) 100%);
}
.split.reverse .split-media{order:2;}
.split-body h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:14px;}
.split-body p{color:var(--gray);}
.split-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  border:1px solid var(--copper);color:var(--copper);
  font-family:var(--font-display);font-weight:700;font-size:15px;
  margin-bottom:14px;background:var(--white);
}
.check-list{margin-top:18px;display:grid;gap:10px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15.5px;color:var(--ink);line-height:1.7;}
.check-list svg{flex-shrink:0;color:var(--brand-500);margin-top:5px;}
.check-list em{font-style:normal;color:var(--gray-light);font-size:13.5px;}

/* ---------- quick cards ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(44,122,102,.45);}
.card .icon-box{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--copper);
  display:inline-flex;align-items:center;justify-content:center;color:var(--copper);margin-bottom:16px;background:var(--paper);
}
.card h3{font-size:17.5px;margin-bottom:8px;}
.card p{font-size:14.5px;color:var(--gray);line-height:1.85;}
.card .card-meta{margin-top:16px;font-size:13px;color:var(--gray-light);display:flex;gap:8px;align-items:center;}

.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12.5px;background:var(--paper);border:1px solid var(--line);color:var(--gray);
}
.badge-accent{background:var(--accent-100);border-color:rgba(194,100,60,.32);color:#9C4A28;font-weight:600;}
.badge-brand{background:var(--brand-50);border-color:rgba(44,122,102,.3);color:var(--brand-700);font-weight:600;}

/* ---------- steps ---------- */
.steps{display:grid;gap:0;border-left:2px solid var(--line);margin-left:18px;}
.step{position:relative;padding:0 0 30px 34px;}
.step:last-child{padding-bottom:0;}
.step::before{
  content:attr(data-step);
  position:absolute;left:-19px;top:2px;
  width:36px;height:36px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--white);border:1px solid var(--brand-500);color:var(--brand-700);
  font-size:14px;font-weight:600;font-family:var(--font-display);
}
.step h3{font-size:17.5px;margin-bottom:6px;}
.step p{color:var(--gray);font-size:15px;margin-bottom:0;}
.step .step-note{display:inline-block;margin-top:8px;font-size:13px;color:var(--warn);background:rgba(180,121,31,.1);border-radius:6px;padding:3px 10px;}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:20px 0;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
  line-height:1.6;transition:color .2s ease;
}
.faq-q:hover{color:var(--accent-600);}
.faq-icon{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand-700);background:var(--white);
  transition:transform .2s ease,background-color .2s ease;font-size:15px;line-height:1;
}
.faq-item.is-open .faq-icon{background:var(--brand-50);transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{padding:0 0 22px;font-size:15px;color:var(--gray);line-height:1.9;margin:0;}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--brand-900);color:#fff;border-radius:var(--r-lg);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:16px 16px;opacity:.04;pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;max-width:52ch;margin:0;}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0;position:relative;z-index:2;}
.cta-band .btn-outline{color:#fff;border-color:rgba(255,255,255,.55);}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ---------- contact strip ---------- */
.contact-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  margin-top:32px;
}
.contact-strip .card{padding:22px;}
.contact-strip .card h3{font-size:16px;}
.contact-strip .card p{font-size:14px;margin:0;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--paper);border-top:1px solid var(--line);
  padding:56px 0 28px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand p{font-size:14px;color:var(--gray);line-height:1.9;margin-top:14px;max-width:34ch;}
.footer-col h3{font-size:14px;font-family:var(--font-body);font-weight:600;color:var(--brand-900);margin-bottom:14px;letter-spacing:.04em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col li a{font-size:14px;color:var(--gray);}
.footer-col li a:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px;}
.footer-col p{font-size:14px;color:var(--gray);margin:0 0 8px;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--gray-light);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 24px;}
  .split{gap:34px;}
}
@media (max-width:1023px){
  .header-inner{flex-wrap:wrap;gap:14px;padding-top:12px;padding-bottom:0;min-height:auto;}
  .search{order:3;flex:1 1 100%;max-width:none;}
  .header-actions{order:2;}
  .site-header .cat-bar{display:none;}
  .nav-toggle{display:inline-flex;}
  .split{grid-template-columns:1fr;}
  .split.reverse .split-media{order:0;}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .faq-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px;}
  .contact-strip{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .page-hero .container{min-height:auto;padding-top:32px;padding-bottom:32px;}
  .hero-sub{font-size:15px;}
  .quick-grid{grid-template-columns:1fr;}
  .contact-strip{grid-template-columns:1fr;}
  .header-actions .btn-soft{display:none;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .cta-band{padding:28px 22px;border-radius:var(--r-md);}
  .split{padding:28px 0;gap:22px;}
  .step{padding-left:28px;}
}
@media (max-width:479px){
  body{font-size:15.5px;}
  .container{padding:0 16px;}
  .logo-text{font-size:16px;}
  .btn{height:42px;padding:0 16px;font-size:14px;}
  .card{padding:20px;}
  .faq-q{font-size:15px;}
}