/* roulang page: index */
:root{
  --brand:#0E6B5C;
  --brand-dark:#084C41;
  --brand-deeper:#052F2A;
  --brand-soft:#E4F0ED;
  --gold:#E5A83B;
  --gold-light:#F0BC55;
  --gold-dark:#C77E1B;
  --bg:#F7F7F4;
  --card:#FFFFFF;
  --ink:#16241F;
  --muted:#58655F;
  --line:#DDE6E2;
  --input-bg:#FBFCFB;
  --shadow-sm:0 4px 16px rgba(10,58,49,.06);
  --shadow-md:0 12px 32px rgba(10,58,49,.10);
  --shadow-lg:0 20px 46px rgba(10,58,49,.16);
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:24px;
  --nav-w:232px;
  --nav-w-md:216px;
  --ease:cubic-bezier(.22,.61,.36,1);
  font-size:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  word-break:break-word;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease)}
button{font-family:inherit}
input{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0;font-weight:600}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:3px solid rgba(229,168,59,.45);
  outline-offset:2px;
  border-radius:6px;
}
.container{max-width:1280px;margin:0 auto;padding:0 32px}
.section{padding:86px 0;position:relative}
.section-title-row{margin-bottom:42px}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  letter-spacing:.08em;
  font-size:12px;
  font-weight:700;
  color:var(--gold-dark);
  text-transform:uppercase;
}
.kicker::before{content:"";width:18px;height:2px;background:var(--gold);border-radius:99px}
.section-h2{
  font-size:32px;
  line-height:1.35;
  margin-top:8px;
  color:var(--ink);
  letter-spacing:-.02em;
}
.section-desc{color:var(--muted);margin-top:12px;max-width:720px;font-size:15px;line-height:1.9}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:0;
  cursor:pointer;
  background:transparent;
  padding:0;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:52px;
  padding:0 28px;
  border-radius:12px;
  font-size:16px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .24s var(--ease),color .2s var(--ease);
  cursor:pointer;
  white-space:nowrap;
}
.btn:active{transform:scale(.98)}
.btn-primary{
  background:linear-gradient(135deg,var(--gold-light),var(--gold-dark));
  color:#1D2314;
  box-shadow:0 8px 22px rgba(190,122,10,.22);
  border:1px solid rgba(255,255,255,.4);
}
.btn-primary:hover{
  transform:translateY(-1px);
  filter:brightness(1.06);
  box-shadow:0 12px 30px rgba(190,122,10,.30);
}
.btn-line{
  background:var(--card);
  border-color:#C8D9D3;
  color:var(--brand);
}
.btn-line:hover{background:var(--brand-soft);border-color:var(--brand)}
.btn-ghost{
  background:rgba(255,255,255,.10);
  border-color:rgba(255,255,255,.38);
  color:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.18)}
.btn-sm{min-height:46px;padding:0 20px;font-size:14px}
.arrow-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-weight:600;
  font-size:14px;
}
.arrow-link:hover{color:var(--gold-dark);gap:10px}
.arrow-link .icon{transition:transform .2s var(--ease)}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:12px;
  font-weight:600;
  padding:4px 12px;
  border-radius:999px;
  border:1px solid rgba(14,107,92,.18);
  line-height:1.6;
}
.tag-gold{
  background:#FDF3DF;
  color:#A86800;
  border-color:rgba(229,168,59,.40);
}
/* Side nav */
.side-nav{
  position:fixed;
  inset:0 auto 0 0;
  width:var(--nav-w);
  background:linear-gradient(180deg,var(--brand) 0%,var(--brand-dark) 100%);
  z-index:100;
  display:flex;
  flex-direction:column;
  color:rgba(255,255,255,.78);
  overflow-y:auto;
}
.side-nav-inner{
  display:flex;
  flex-direction:column;
  height:100%;
  padding:30px 20px 22px;
}
.brand-lock{
  display:flex;
  align-items:center;
  gap:12px;
  padding:2px 6px 26px;
  border-bottom:1px solid rgba(255,255,255,.12);
  margin-bottom:22px;
}
.brand-badge{
  width:44px;
  height:44px;
  min-width:44px;
  border-radius:14px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);
  display:flex;
  align-items:center;
  justify-content:center;
  color:#F5CD85;
  font-weight:800;
  font-size:20px;
  letter-spacing:-.02em;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.16);
}
.brand-name-group{
  min-width:0;
}
.brand-name{
  display:block;
  font-size:25px;
  line-height:1.15;
  font-weight:800;
  color:#F3BE5D;
  letter-spacing:-.02em;
}
.brand-tag{
  display:block;
  font-size:12.5px;
  line-height:1.4;
  color:rgba(255,255,255,.78);
  margin-top:3px;
  white-space:nowrap;
}
.site-menu{
  flex:1;
  display:flex;
  flex-direction:column;
  gap:6px;
}
.nav-label{
  font-size:11px;
  letter-spacing:.16em;
  color:rgba(255,255,255,.48);
  text-transform:uppercase;
  padding:4px 12px 6px;
}
.nav-link{
  display:flex;
  align-items:center;
  gap:12px;
  min-height:48px;
  padding:0 14px;
  border-radius:10px;
  color:#C7DDD7;
  font-size:15px;
  font-weight:500;
  position:relative;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.nav-link:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-link .nav-ico{
  width:20px;
  text-align:center;
  opacity:.85;
}
.nav-link.is-current{
  background:linear-gradient(90deg,rgba(255,255,255,.12),rgba(255,255,255,.02));
  color:#fff;
  font-weight:600;
}
.nav-link.is-current::before{
  content:"";position:absolute;left:-1px;top:10px;bottom:10px;width:3px;
  background:var(--gold);border-radius:99px;box-shadow:0 0 12px rgba(229,168,59,.5);
}
.side-status{
  margin-top:24px;
  display:inline-flex;
  align-items:center;
  gap:9px;
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.14);
  border-radius:999px;
  padding:8px 14px;
  color:rgba(255,255,255,.88);
  font-size:12px;
  max-width:180px;
}
.status-dot{
  width:8px;height:8px;border-radius:50%;
  background:#77D6B0;
  box-shadow:0 0 0 4px rgba(119,214,176,.18);
}
.nav-toggle{
  display:none;
}
/* Main stage */
.main-stage{margin-left:var(--nav-w)}
.page{min-height:100vh}
/* Hero */
.hero-section{
  min-height:78vh;
  display:flex;
  align-items:center;
  padding:88px 0 76px;
  position:relative;
  background:
    linear-gradient(105deg,rgba(252,251,248,.46),rgba(239,246,243,.65)),
    url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
}
.hero-section::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(247,247,244,.94),rgba(247,247,244,.78) 45%,rgba(228,240,237,.34));
  z-index:1;
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 32px;
  display:grid;
  grid-template-columns:1.12fr .88fr;
  align-items:center;
  gap:48px;
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  color:var(--brand-dark);
  background:rgba(255,255,255,.62);
  border:1px solid rgba(14,107,92,.14);
  padding:5px 14px 5px 10px;
  border-radius:999px;
  letter-spacing:.04em;
  backdrop-filter:blur(6px);
}
.hero-kicker::before{
  content:"";
  width:16px;height:2px;background:var(--gold);border-radius:99px;
}
.hero-title{
  margin:24px 0 18px;
  font-size:46px;
  font-weight:800;
  line-height:1.22;
  letter-spacing:-.03em;
  color:var(--ink);
}
.hth-logo-text{
  color:var(--gold-dark);
  background:linear-gradient(135deg,#E8B750,#C77E1B);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-title .h1-tail{
  display:block;
  font-size:30px;
  font-weight:700;
  color:var(--brand);
  margin-top:10px;
  letter-spacing:-.02em;
}
.hero-lead{
  font-size:17px;
  color:#394842;
  max-width:600px;
  line-height:1.95;
}
.hero-actions{
  display:flex;
  align-items:center;
  gap:16px;
  margin-top:34px;
  flex-wrap:wrap;
}
.hero-mini-note{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  color:var(--muted);
  background:var(--card);
  border:1px solid var(--line);
  padding:5px 10px;
  border-radius:999px;
}
.hero-mini-note strong{color:var(--brand);font-weight:700}
/* Login card in hero */
.login-card-wrap{position:relative}
.login-card{
  position:relative;
  width:100%;
  max-width:420px;
  margin-left:auto;
  background:var(--card);
  border-radius:22px;
  box-shadow:var(--shadow-lg);
  padding:24px 24px 28px;
  border:1px solid rgba(221,230,226,.9);
}
.login-card::before{
  content:"";
  position:absolute;
  top:0;left:28px;right:28px;
  height:2px;
  background:linear-gradient(90deg,var(--gold),rgba(229,168,59,.2));
  border-radius:99px;
}
.login-state{
  display:flex;
  align-items:center;
  gap:8px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  padding:5px 12px;
  width:max-content;
  margin-bottom:24px;
}
.login-state i{
  width:7px;height:7px;background:#2BA97D;border-radius:50%;
}
.login-form{display:flex;flex-direction:column;gap:17px}
.form-label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:7px}
.form-field input,.form-field .input-box{
  width:100%;
  height:48px;
  border:1px solid #CFDBD5;
  background:var(--input-bg);
  border-radius:12px;
  color:var(--ink);
  font-size:15px;
  padding:0 15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.form-field input::placeholder{color:#9AA9A4}
.form-field input:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(229,168,59,.3);
  outline:none;
  background:#fff;
}
.login-submit{
  width:100%;
  margin-top:4px;
  justify-content:center;
}
.login-note{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-top:14px;
  font-size:13px;
  color:var(--muted);
}
.login-note a{color:var(--brand);font-weight:600}
.login-note a:hover{color:var(--gold-dark)}
.corner-badge{
  position:absolute;
  right:-12px;
  bottom:-16px;
  width:64px;height:64px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--gold-light),var(--gold-dark));
  box-shadow:0 12px 26px rgba(180,120,12,.38);
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  border:3px solid rgba(255,255,255,.55);
}
.corner-badge svg{width:28px;height:28px}
/* Features */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.feature-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:20px;
  padding:34px 28px 28px;
  position:relative;
  box-shadow:var(--shadow-sm);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .2s;
}
.feature-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:rgba(14,107,92,.25);
}
.feature-idx{
  position:absolute;
  top:22px;right:24px;
  font-size:12px;
  font-weight:800;
  color:rgba(229,168,59,.55);
  letter-spacing:.1em;
}
.feature-icon{
  width:52px;height:52px;
  border-radius:15px;
  background:var(--brand-soft);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:22px;
}
.feature-icon svg{width:27px;height:27px}
.feature-card h3{font-size:20px;font-weight:700;margin-bottom:10px}
.feature-card p{color:var(--muted);font-size:14.5px;line-height:1.92}
/* Steps */
.steps-band{
  background:var(--brand-soft);
  border-radius:26px;
  padding:44px;
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:44px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.steps-media{
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow-md);
  position:relative;
  background:#fff;
}
.steps-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:5/4}
.steps-box h3{font-size:27px;line-height:1.45;margin-bottom:10px;color:var(--ink)}
.steps-box .section-desc{margin-top:6px;color:#43534E}
.step-list{display:flex;flex-direction:column;gap:13px;margin-top:26px}
.step-row{
  position:relative;
  display:flex;
  gap:16px;
  padding-bottom:10px;
}
.step-row:not(:last-child)::after{
  content:"";
  position:absolute;
  left:25px;
  top:58px;
  width:1px;
  bottom:-8px;
  background:dashed #B8D0C8;
  border-left:1px dashed #ADD0C5;
}
.step-num{
  width:44px;height:44px;
  flex:none;
  border-radius:50%;
  background:linear-gradient(135deg,var(--gold-light),var(--gold-dark));
  color:#2B2007;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;
  font-size:17px;
  box-shadow:0 6px 14px rgba(190,130,20,.22);
  line-height:1;
}
.step-row h4{font-size:17px;font-weight:700;margin-bottom:3px;margin-top:2px}
.step-row p{color:var(--muted);font-size:14px;line-height:1.8;max-width:440px}
.steps-foot{margin-top:26px}
/* Trust panel */
.trust-panel{
  padding:86px 0;
  background:linear-gradient(120deg,var(--brand) 0%,var(--brand-dark) 100%);
  color:rgba(255,255,255,.82);
  position:relative;
  overflow:hidden;
}
.trust-panel:before{
  content:"";
  position:absolute;
  width:460px;height:460px;border-radius:50%;
  border:1px solid rgba(255,255,255,.07);
  right:-90px;top:-70px;
  box-shadow:0 0 0 52px rgba(255,255,255,.025),0 0 0 110px rgba(255,255,255,.02);
}
.trust-panel .section-h2{color:#fff}
.trust-panel .section-desc{color:rgba(255,255,255,.65)}
.trust-panel .section-title-row{position:relative;z-index:3}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-bottom:34px;
}
.stat-card{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:20px;
  padding:28px 22px;
  text-align:center;
  position:relative;
  z-index:3;
  transition:background .24s;
}
.stat-card:hover{background:rgba(255,255,255,.12)}
.stat-num{
  font-size:43px;
  line-height:1.15;
  font-weight:800;
  color:#F2BE5B;
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.stat-label{font-size:13px;color:rgba(255,255,255,.68);margin-top:6px}
.review-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:22px;
  position:relative;
  z-index:3;
}
.review-card{
  background:rgba(255,255,255,.075);
  border:1px solid rgba(255,255,255,.12);
  border-radius:16px;
  padding:24px 24px 20px;
}
.star-line{
  color:var(--gold);
  font-size:18px;
  letter-spacing:4px;
  line-height:1.3;
}
.review-card blockquote{
  margin:10px 0 0;
  font-size:15px;
  color:rgba(255,255,255,.86);
  line-height:1.95;
}
.review-source{color:rgba(255,255,255,.55);font-size:12.5px;margin-top:13px}
/* News */
.news-wrap{display:flex;flex-direction:column;gap:18px}
.news-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  display:grid;
  grid-template-columns:144px 1fr;
  gap:18px;
  padding:14px 16px 14px 14px;
  align-items:center;
  box-shadow:var(--shadow-sm);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.news-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
  background:linear-gradient(90deg,#fff,#F7FBF9);
}
.news-thumb{
  border-radius:12px;
  overflow:hidden;
  background:var(--brand-soft);
  height:94px;
}
.news-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .45s var(--ease);
}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{min-width:0;display:flex;flex-direction:column;gap:4px}
.news-meta-top{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  color:var(--muted);
}
.news-body h3{
  font-size:18px;
  font-weight:700;
  line-height:1.55;
}
.news-body h3 a:hover{color:var(--brand)}
.news-summary{
  color:var(--muted);
  font-size:14px;
  line-height:1.85;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-foot{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-top:9px;
  gap:10px;
  flex-wrap:wrap;
}
.news-time{color:#80908B;font-size:12.5px}
.news-empty{
  background:var(--card);
  border:2px dashed #C4D6D1;
  border-radius:18px;
  text-align:center;
  padding:48px 20px;
  color:var(--muted);
}
.news-empty .empty-icon{
  width:52px;height:52px;line-height:52px;
  margin:0 auto 14px;
  border-radius:16px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:26px;
}
.news-empty h4{color:var(--ink);font-size:18px;margin-bottom:4px}
.news-empty p{font-size:13.5px}
/* FAQ */
.faq-section{background:#EDF2EF;border-top:1px solid #E0E8E4;border-bottom:1px solid #E0E8E4}
.faq-list{
  display:flex;
  flex-direction:column;
  max-width:860px;
}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  margin-top:14px;
  border-radius:15px;
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .25s;
}
.faq-item[open]{box-shadow:var(--shadow-md)}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  cursor:pointer;
  list-style:none;
  padding:18px 24px;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  min-height:60px;
  line-height:1.7;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-mark{
  width:28px;height:28px;
  min-width:28px;
  border-radius:9px;
  background:var(--brand-soft);
  color:var(--brand);
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
  transition:background .2s,transform .25s var(--ease),color .2s;
}
.faq-mark::before,.faq-mark::after{
  content:"";
  position:absolute;
  background:currentColor;
  border-radius:99px;
}
.faq-mark::before{width:12px;height:2px}
.faq-mark::after{width:2px;height:12px}
.faq-item[open] .faq-mark{
  background:linear-gradient(135deg,var(--gold-light),var(--gold-dark));
  color:#fff;
  transform:rotate(45deg);
}
.faq-answer{padding:0 26px 26px;color:var(--muted);font-size:15px;line-height:1.95;max-width:820px}
/* CTA */
.cta-section{padding:84px 0}
.cta-box{
  border-radius:26px;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  padding:62px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:34px;
  box-shadow:var(--shadow-lg);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-box:before{
  content:"";
  position:absolute;
  right:-80px;
  top:-80px;
  width:280px;height:280px;border-radius:50%;
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 0 0 34px rgba(255,255,255,.035);
}
.cta-box h2{font-size:29px;color:#fff;letter-spacing:-.01em}
.cta-box p{color:rgba(255,255,255,.72);font-size:15px;max-width:620px;margin-top:8px}
.cta-actions{display:flex;gap:14px;flex-shrink:0;position:relative;z-index:2;flex-wrap:wrap}
/* Footer */
.site-footer{
  margin-left:var(--nav-w);
  background:#EFF3F1;
  border-top:1px solid #DCE6E2;
}
.footer-top{
  max-width:1280px;
  margin:0 auto;
  padding:44px 32px 26px;
  display:grid;
  grid-template-columns:1fr 1.1fr .9fr;
  gap:34px;
}
.footer-brand .brand-lock{
  padding:0;
  margin:0 0 16px;
  border-bottom:0;
}
.footer-note{
  color:var(--muted);
  font-size:14px;
  line-height:1.95;
  max-width:320px;
}
.footer-col h4{
  color:var(--brand-dark);
  font-size:15px;
  letter-spacing:.02em;
  border-left:3px solid var(--gold);
  padding-left:10px;
  margin-bottom:16px;
}
.footer-col li{margin-bottom:8px}
.footer-col a{
  color:#3D4E48;
  font-size:14px;
}
.footer-col a:hover{color:var(--brand);padding-left:5px}
.footer-tech{
  color:#73837E;
  font-size:12.5px;
}
.footer-bottom{
  max-width:1280px;
  margin:0 auto;
  padding:12px 32px 22px;
  border-top:1px solid #D5E1DD;
  color:#84918D;
  font-size:13px;
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}
/* mobile access */
.mobile-access{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:90;
  display:none;
}
/* responsive */
@media (max-width:1199.98px){
  :root{--nav-w:var(--nav-w-md)}
  .hero-title{font-size:40px}
  .hero-inner{grid-template-columns:1fr .95fr;gap:34px}
  .steps-band{grid-template-columns:1fr 1fr;padding:36px}
  .feature-card{padding:28px 20px}
}
@media (max-width:991.98px){
  :root{--nav-w:0px}
  .side-nav{
    width:100%;
    height:64px;
    inset:auto auto 0 0;
    bottom:auto;
    top:0;
  }
  .side-nav-inner{
    flex-direction:row;
    align-items:center;
    padding:0 18px;
    height:100%;
  }
  .brand-lock{ padding:0;margin:0;border:0}
  .brand-lock .brand-name-group{
    display:flex;
    align-items:baseline;
    gap:8px;
  }
  .brand-name{font-size:22px}
  .brand-tag{
    font-size:12px;
    margin-top:0;
  }
  .nav-toggle{
    display:inline-flex;
    width:42px;height:42px;
    border-radius:10px;
    background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.18);
    margin-left:auto;
    color:#fff;
    align-items:center;
    justify-content:center;
    cursor:pointer;
  }
  .nav-toggle span{
    display:block;width:18px;height:2px;
    background:#fff;
    border-radius:99px;
    box-shadow:0 7px 0 #fff,0 -7px 0 #fff;
  }
  .site-menu{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    position:fixed;
    top:64px;
    left:0;right:0;
    background:linear-gradient(165deg,var(--brand),var(--brand-dark));
    padding:18px 20px 22px;
    opacity:0;
    visibility:hidden;
    transform:translateY(-14px);
    transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s;
    border-bottom:1px solid rgba(255,255,255,.14);
  }
  .site-menu.is-open{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
    box-shadow:0 28px 42px rgba(5,42,35,.3);
  }
  .nav-label{color:rgba(255,255,255,.42)}
  .nav-link{
    min-height:48px;
    color:#CFE2DD;
    border-radius:10px;
  }
  .side-status{display:none}
  .main-stage,.site-footer{margin-left:0}
  .hero-section{padding:94px 0 60px}
  .hero-inner{
    grid-template-columns:1fr;
    gap:46px;
  }
  .login-card{margin:0 auto}
  .section{padding:68px 0}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .steps-band{grid-template-columns:1fr;gap:32px}
  .trust-panel{padding:68px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .mobile-access{
    display:grid;
    grid-template-columns:1.2fr .8fr;
    gap:0;
  }
  .mobile-access a{
    display:flex;
    align-items:center;
    justify-content:center;
    min-height:66px;
    font-size:16px;
    font-weight:700;
    gap:8px;
  }
  .mobile-access .ac-inner{
    background:var(--card);
    color:var(--brand-dark);
    border-top:1px solid #DDE6E2;
  }
  .mobile-access .ac-gold{
    background:linear-gradient(135deg,var(--gold-light),var(--gold-dark));
    color:#201703;
    border-top:1px solid rgba(255,255,255,.35);
  }
  .page{padding-bottom:60px}
  .site-footer{padding-bottom:0}
}
@media (max-width:767.98px){
  .container,.hero-inner,.footer-top,.footer-bottom{padding-left:20px;padding-right:20px}
  .section-h2{font-size:27px}
  .kicker{font-size:11px}
  .hero-title{font-size:32px;line-height:1.35}
  .hero-title .h1-tail{font-size:22px}
  .hero-lead{font-size:15.5px}
  .hero-actions{gap:12px}
  .btn{width:100%;padding:0 14px}
  .feature-grid{grid-template-columns:1fr}
  .steps-band{padding:26px;border-radius:20px}
  .steps-media img{aspect-ratio:4/3}
  .review-grid{grid-template-columns:1fr}
  .cta-box{padding:36px 24px;flex-direction:column;align-items:flex-start}
  .cta-box h2{font-size:24px}
  .news-card{
    grid-template-columns:84px 1fr;
    padding:12px;
    gap:14px;
  }
  .news-thumb{height:82px}
  .news-body h3{font-size:15.5px}
  .news-summary{font-size:13px}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-brand .brand-lock{align-items:flex-start}
  .footer-bottom{flex-direction:column}
  .footer-bottom span{font-size:12px}
  .footer-col h4{margin-bottom:10px}
  .ctrl-cut .section{padding:56px 0}
  .section-title-row{margin-bottom:30px}
  .faq-item summary{font-size:15px;padding:15px 16px}
  .faq-answer{padding:0 18px 22px}
}
@media (max-width:500px){
  .hero-title{font-size:28px}
  .hero-kicker{font-size:12px}
  .brand-name{font-size:20px}
  .brand-tag{font-size:11px;letter-spacing:.02em}
  .stats-grid{grid-template-columns:1fr 1fr;gap:14px}
  .stat-num{font-size:33px}
  .stat-card{padding:20px 10px}
  .news-card{grid-template-columns:1fr;border-radius:16px}
  .news-thumb{height:0;padding-top:35%;width:100%;position:relative}
  .news-thumb img{position:absolute;inset:0}
  .news-body{margin-top:-6px}
  .section{padding:50px 0}
}

/* roulang page: article */
:root{
  --brand:#0E6B5C;
  --brand-dark:#084C41;
  --brand-soft:#E4F0ED;
  --gold:#E5A83B;
  --gold-deep:#D8931F;
  --gold-light:#F0BC55;
  --bg:#F7F7F4;
  --white:#FFFFFF;
  --ink:#16241F;
  --muted:#58655F;
  --line:#DDE6E2;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-sm:0 4px 16px rgba(10,58,49,0.06);
  --shadow-lg:0 18px 40px rgba(10,58,49,0.14);
  --bg-top:linear-gradient(180deg,#0E6B5C,#084C41);
  --gold-bg:linear-gradient(135deg,#F0BC55,#D8931F);
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  min-height:100%;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
a,button{transition:opacity .2s ease,background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:3px solid rgba(229,168,59,.35);
  outline-offset:3px;
  border-radius:6px;
}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.side-nav{
  position:fixed;
  top:0;
  left:0;
  bottom:0;
  width:232px;
  z-index:999;
  background:var(--bg-top);
  display:block;
}
.side-nav-inner{
  height:100%;
  display:flex;
  flex-direction:column;
  padding:30px 16px 20px;
  gap:6px;
}
.brand-lock{
  display:flex;
  align-items:center;
  gap:12px;
  padding:4px 8px 24px;
  margin-bottom:12px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.brand-badge{
  flex:0 0 40px;
  width:40px;
  height:40px;
  border-radius:14px;
  background:linear-gradient(135deg,rgba(255,255,255,.24),rgba(255,255,255,.08));
  color:var(--gold-light);
  font-size:22px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  letter-spacing:-.05em;
  border:1px solid rgba(255,255,255,.16);
}
.brand-name-group{
  display:flex;
  flex-direction:column;
  line-height:1.15;
}
.brand-name{
  color:var(--gold-light);
  font-size:27px;
  font-weight:800;
  letter-spacing:-.02em;
}
.brand-tag{
  color:var(--white);
  font-size:13px;
  margin-top:4px;
  opacity:.92;
  white-space:nowrap;
}
.site-menu{
  display:flex;
  flex-direction:column;
  gap:6px;
}
.nav-label{
  font-size:11px;
  letter-spacing:.16em;
  color:rgba(255,255,255,.5);
  text-transform:uppercase;
  padding:0 10px 8px;
}
.nav-link{
  height:46px;
  border-radius:12px;
  display:flex;
  align-items:center;
  gap:10px;
  color:#D2E5E0;
  font-size:15px;
  padding:0 13px;
  position:relative;
  background:transparent;
}
.nav-link .nav-ico{
  width:20px;
  color:rgba(255,255,255,.72);
  font-style:normal;
  font-size:16px;
}
.nav-link:hover{
  background:rgba(255,255,255,.09);
  color:#fff;
}
.nav-link.is-current{
  color:#fff;
  font-weight:600;
  background:linear-gradient(90deg,rgba(255,255,255,.16),rgba(255,255,255,.04));
  box-shadow:inset 3px 0 0 var(--gold);
}
.nav-link.is-current .nav-ico{
  color:var(--gold-light);
}
.side-status{
  margin-top:auto;
  padding:10px 12px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  border-radius:999px;
  color:rgba(255,255,255,.88);
  font-size:13px;
  display:flex;
  align-items:center;
  gap:8px;
}
.status-dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:#58D49A;
  box-shadow:0 0 0 4px rgba(88,212,154,.18);
  display:inline-block;
}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:40px;
  height:40px;
  padding:0;
  background:transparent;
  border:1px solid rgba(255,255,255,.28);
  border-radius:10px;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:#fff;
  position:relative;
  border-radius:2px;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:#fff;
  border-radius:2px;
  transition:transform .2s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

.page-main{
  margin-left:232px;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  background:var(--bg);
}
.content-shell{
  flex:1;
  width:100%;
  max-width:1080px;
  margin:0 auto;
  padding:48px 40px 76px;
}

.post-layout{
  position:relative;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:14px;
  line-height:1.4;
}
.breadcrumb a{
  color:var(--brand);
}
.breadcrumb a:hover{
  color:var(--gold-deep);
  text-decoration:underline;
}
.breadcrumb span[aria-hidden="true"]{
  color:#A9B8B1;
  margin:0 -2px;
}
.breadcrumb .crumb-current{
  color:var(--muted);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  max-width:260px;
}
.article-head{
  padding:22px 0 34px;
  border-bottom:1px solid var(--line);
  max-width:820px;
}
.article-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--gold-deep);
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  margin-bottom:16px;
}
.article-kicker::before{
  content:"";
  width:18px;
  height:2px;
  background:var(--gold);
  border-radius:2px;
}
.article-title{
  font-size:40px;
  line-height:1.35;
  letter-spacing:-.02em;
  font-weight:700;
  color:var(--ink);
  margin-bottom:18px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  font-size:13px;
  color:var(--muted);
}
.article-meta .meta-item{
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.article-meta .meta-sep{
  color:#B9C7C1;
}
.meta-cat{
  padding:3px 13px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-weight:600;
  font-size:12px;
  white-space:nowrap;
}
.post-body{
  max-width:820px;
  margin-top:42px;
}
.post-entry{
  max-width:760px;
  margin:0 auto;
  font-size:16px;
  line-height:2;
  color:#24332C;
}
.post-entry > * + *{
  margin-bottom:24px;
}
.post-entry > p:last-child{
  margin-bottom:0;
}
.post-entry h2{
  font-size:26px;
  line-height:1.5;
  margin-top:44px;
  padding-left:16px;
  position:relative;
  color:#0B5549;
}
.post-entry h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.3em;
  bottom:.3em;
  width:4px;
  border-radius:4px;
  background:linear-gradient(180deg,var(--gold),var(--gold-deep));
}
.post-entry h3{
  font-size:21px;
  line-height:1.6;
  margin-top:32px;
  color:var(--brand-dark);
}
.post-entry h4{
  font-size:18px;
  margin-top:20px;
  color:var(--ink);
}
.post-entry a{
  color:var(--brand);
  border-bottom:1px solid rgba(14,107,92,.3);
  padding-bottom:1px;
}
.post-entry a:hover{
  color:var(--gold-deep);
  border-color:var(--gold);
}
.post-entry p{
  color:#24332C;
}
.post-entry ul,.post-entry ol{
  padding-left:22px;
  list-style:disc;
  margin:20px 0 28px;
}
.post-entry ul li,
.post-entry ol li{
  margin:8px 0;
  padding-left:6px;
}
.post-entry ol{
  list-style:decimal;
}
.post-entry li::marker{
  color:var(--brand);
}
.post-entry blockquote{
  background:var(--brand-soft);
  border-left:4px solid var(--brand);
  border-radius:0 16px 16px 0;
  margin:28px 0;
  padding:18px 24px;
  color:#294840;
  line-height:1.9;
}
.post-entry img{
  border-radius:18px;
  margin:32px 0 18px;
  width:100%;
  box-shadow:var(--shadow-sm);
}
.post-entry table{
  width:100%;
  border-collapse:collapse;
  margin:28px 0;
  font-size:15px;
}
.post-entry th,
.post-entry td{
  border:1px solid var(--line);
  padding:12px 14px;
  text-align:left;
  background:#fff;
}
.post-entry th{
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-weight:600;
}
.post-entry tr:nth-child(even) td{
  background:#F9FBFA;
}
.post-entry pre{
  background:#11211C;
  color:#EDF5F2;
  border-radius:16px;
  padding:22px;
  overflow:auto;
  font-size:14px;
  line-height:1.7;
  margin:28px 0;
}
.post-entry code{
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  background:var(--brand-soft);
  color:var(--brand-dark);
  padding:2px 7px;
  border-radius:6px;
  font-size:.92em;
}
.post-entry pre code{
  background:transparent;
  color:inherit;
  padding:0;
}
.entry-note{
  max-width:760px;
  margin:46px auto 0;
  background:linear-gradient(135deg,#EAF3F0,#FDF1DD);
  border:1px solid #D3E1DC;
  border-radius:22px;
  padding:22px 24px;
  display:grid;
  grid-template-columns:184px 1fr;
  gap:22px;
  align-items:center;
  overflow:hidden;
}
.entry-note img{
  width:100%;
  height:132px;
  object-fit:cover;
  border-radius:15px;
}
.entry-note-copy .note-mark{
  display:inline-block;
  color:var(--gold-deep);
  font-weight:700;
  font-size:13px;
  letter-spacing:.04em;
  margin-bottom:8px;
}
.entry-note-copy p{
  color:#26463E;
  font-size:15px;
  margin-top:6px;
}
.entry-note-copy a{
  display:inline-block;
  margin-top:12px;
  color:var(--brand);
  font-weight:600;
  font-size:15px;
}
.entry-note-copy a:hover{
  color:var(--gold-deep);
  text-decoration:underline;
}
.reading-block{
  margin-top:68px;
  border-top:1px solid var(--line);
  padding-top:46px;
  max-width:920px;
  margin-left:auto;
  margin-right:auto;
}
.reading-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:28px;
}
.reading-head h3{
  font-size:27px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink);
  position:relative;
  padding-left:16px;
}
.reading-head h3::before{
  content:"";
  position:absolute;
  left:0;
  top:.15em;
  bottom:.15em;
  width:5px;
  border-radius:5px;
  background:var(--gold-bg);
}
.reading-head a{
  color:var(--brand);
  font-size:14px;
  font-weight:600;
}
.reading-head a:hover{
  color:var(--gold-deep);
}
.reading-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.read-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  box-shadow:var(--shadow-sm);
  min-height:0;
}
.read-card .read-thumb{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  background:#DDEAE6;
  transition:transform .35s ease;
}
.read-card-body{
  padding:18px 20px 22px;
  display:flex;
  flex-direction:column;
}
.read-card-body .read-tag{
  align-self:flex-start;
  padding:2px 11px;
  border-radius:999px;
  color:var(--gold-deep);
  border:1px solid rgba(229,168,59,.45);
  background:rgba(229,168,59,.09);
  font-size:12px;
  line-height:1.6;
  margin-bottom:12px;
  letter-spacing:.03em;
}
.read-card-body strong{
  font-size:16px;
  line-height:1.6;
  color:var(--ink);
  min-height:52px;
  display:block;
}
.read-card-body .read-time{
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:13px;
  color:var(--muted);
  margin-top:18px;
}
.read-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(14,107,92,.2);
}
.read-card:hover .read-thumb{
  transform:scale(1.02);
}
.read-card:hover strong{
  color:var(--brand);
}
.post-home-link{
  display:flex;
  justify-content:center;
  margin-top:34px;
}
.link-go{
  color:var(--brand);
  font-weight:600;
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.link-go:hover{
  color:var(--gold-deep);
}

.missing-wrap{
  min-height:60vh;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
}
.missing-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);
  padding:58px 44px;
  max-width:520px;
  width:100%;
}
.missing-card .missing-code{
  display:flex;
  align-items:center;
  justify-content:center;
  width:54px;
  height:54px;
  border-radius:18px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:20px;
  font-weight:800;
  margin:0 auto 20px;
}
.missing-card h1{
  font-size:26px;
  margin-bottom:8px;
}
.missing-card p{
  color:var(--muted);
  margin-bottom:24px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 28px;
  border:1px solid transparent;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  line-height:1;
}
.btn-primary{
  background:var(--gold-bg);
  color:#2B1D04;
  box-shadow:0 10px 22px rgba(216,147,31,.24),inset 0 1px 1px rgba(255,255,255,.4);
}
.btn-primary:hover{
  filter:brightness(1.05);
  transform:translateY(-1px);
}
.btn-primary:active{
  transform:scale(.98);
}
.btn-ghost{
  background:transparent;
  border:1px solid rgba(14,107,92,.4);
  color:var(--brand-dark);
}
.btn-ghost:hover{
  background:var(--brand-soft);
}

.site-footer{
  background:linear-gradient(180deg,#0E6B5C,#084C41);
  color:#D9E6E2;
  padding:52px 44px 28px;
  margin-left:0;
  position:relative;
  z-index:1;
}
.footer-top{
  max-width:1280px;
  margin:0 auto;
  display:grid;
  grid-template-columns:1.5fr .8fr 1fr;
  gap:44px;
  padding-bottom:38px;
  border-bottom:1px solid rgba(255,255,255,.13);
}
.footer-brand .brand-lock{
  border:0;
  padding:0;
  margin:0 0 16px;
}
.footer-brand .brand-badge{
  width:40px;
  height:40px;
}
.footer-brand .brand-name{
  color:var(--gold-light);
}
.footer-brand .brand-tag{
  color:rgba(255,255,255,.85);
}
.footer-note{
  color:rgba(255,255,255,.72);
  font-size:14px;
  line-height:1.85;
  max-width:440px;
}
.footer-col h4{
  color:#fff;
  font-size:16px;
  font-weight:600;
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-col ul li{
  margin:10px 0;
}
.footer-col a{
  color:rgba(255,255,255,.72);
  font-size:14px;
}
.footer-col a:hover{
  color:var(--gold-light);
}
.footer-tech{
  color:rgba(255,255,255,.58);
  font-size:13px;
  line-height:1.8;
}
.footer-bottom{
  max-width:1280px;
  margin:24px auto 0;
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

@media (min-width:992px) and (max-width:1199px){
  .side-nav{width:216px}
  .page-main{margin-left:216px}
  .content-shell{padding:42px 30px 68px}
  .article-title{font-size:36px}
}
@media (max-width:991px){
  .side-nav{
    position:fixed;
    top:0;
    left:0;
    right:0;
    bottom:auto;
    width:auto;
    height:64px;
    z-index:1000;
    box-shadow:0 8px 26px rgba(7,42,36,.18);
  }
  .side-nav-inner{
    height:64px;
    padding:0 16px;
    flex-direction:row;
    align-items:center;
    gap:10px;
  }
  .brand-lock{
    padding:0;
    margin:0;
    border-bottom:0;
    justify-content:flex-start;
  }
  .brand-badge{
    flex-basis:34px;
    width:34px;
    height:34px;
    border-radius:10px;
    font-size:19px;
  }
  .brand-name{
    font-size:22px;
  }
  .brand-tag{
    font-size:13px;
  }
  .nav-toggle{
    display:flex;
    margin-left:auto;
  }
  .site-menu{
    position:absolute;
    top:64px;
    left:0;
    right:0;
    background:linear-gradient(180deg,#0B5A4D,#084C41);
    padding:18px 18px 26px;
    box-shadow:0 24px 40px rgba(7,42,36,.24);
    display:none;
    gap:4px;
    max-height:calc(100vh - 64px);
    overflow-y:auto;
    border-bottom-left-radius:20px;
    border-bottom-right-radius:20px;
  }
  .site-menu.is-expanded{
    display:flex;
  }
  .nav-label{
    padding-bottom:6px;
  }
  .nav-link{
    height:48px;
    font-size:17px;
  }
  .side-status{
    display:none;
  }
  .page-main{
    margin-left:0;
    padding-top:64px;
  }
  .content-shell{
    padding:38px 30px 64px;
    max-width:100%;
  }
  .reading-grid{
    grid-template-columns:repeat(3,1fr);
    gap:18px;
  }
  .read-card-body strong{
    min-height:0;
    font-size:15px;
  }
  .article-title{
    font-size:34px;
  }
  .site-footer{
    padding:46px 30px 26px;
  }
  .footer-top{
    grid-template-columns:1fr 1fr;
    gap:36px 28px;
  }
  .footer-brand{
    grid-column:1 / -1;
  }
}
@media (max-width:767px){
  .content-shell{
    padding:30px 18px 54px;
  }
  .breadcrumb{
    margin-bottom:10px;
  }
  .article-head{
    padding:12px 0 26px;
  }
  .article-kicker{
    margin-bottom:12px;
    font-size:12px;
  }
  .article-title{
    font-size:30px;
    line-height:1.45;
    margin-bottom:14px;
  }
  .article-meta{
    gap:10px;
    font-size:13px;
  }
  .post-body{
    margin-top:32px;
  }
  .post-entry{
    font-size:16px;
    line-height:2;
  }
  .post-entry h2{
    font-size:22px;
    padding-left:13px;
  }
  .post-entry h3{
    font-size:19px;
  }
  .entry-note{
    grid-template-columns:1fr;
    gap:16px;
    padding:20px;
  }
  .entry-note img{
    height:190px;
  }
  .reading-grid{
    grid-template-columns:1fr;
    gap:18px;
  }
  .read-card-body strong{
    font-size:17px;
  }
  .read-card .read-thumb{
    aspect-ratio:16 / 8.5;
  }
  .reading-block{
    margin-top:52px;
    padding-top:34px;
  }
  .footer-top{
    grid-template-columns:1fr;
    gap:28px;
  }
  .footer-brand{
    grid-column:auto;
  }
  .footer-bottom{
    flex-direction:column;
    gap:6px;
  }
  .site-footer{
    padding-left:20px;
    padding-right:20px;
  }
  .missing-card{
    padding:42px 24px;
  }
}
@media (max-width:520px){
  .breadcrumb{
    font-size:12px;
  }
  .article-title{
    font-size:28px;
  }
  .article-meta .meta-item:nth-child(n+4){
    display:none;
  }
  .content-shell{
    padding-left:16px;
    padding-right:16px;
  }
  .post-entry blockquote{
    padding:15px 18px;
  }
  .post-entry table{
    display:block;
    overflow-x:auto;
    white-space:nowrap;
  }
  .read-card .read-thumb{
    aspect-ratio:16 / 9;
  }
  .reading-head h3{
    font-size:23px;
  }
  .btn{
    min-height:46px;
    padding:0 22px;
  }
}

/* roulang page: category1 */
:root{
  --primary:#0E6B5C;
  --primary-deep:#084C41;
  --primary-soft:#E4F0ED;
  --accent:#E5A83B;
  --accent-deep:#D8931F;
  --accent-soft:#FCF3E0;
  --bg:#F7F7F4;
  --surface:#FFFFFF;
  --text:#16241F;
  --muted:#58655F;
  --line:#DDE6E2;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-1:0 4px 16px rgba(10,58,49,.06);
  --shadow-2:0 18px 40px rgba(10,58,49,.14);
  --nav-w:232px;
  --nav-w-md:216px;
  --font-stack:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*:before,*:after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font-stack);
  color:var(--text);
  background:var(--bg);
  line-height:1.8;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol,li{margin:0;padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p{margin:0}
a:focus-visible,button:focus-visible{
  outline:3px solid rgba(229,168,59,.55);
  outline-offset:2px;
  border-radius:6px;
}
.page-frame{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:40px 32px 72px;
  flex:1;
}
.main-content{
  margin-left:var(--nav-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}

/* 左侧导航 */
.side-nav{
  position:fixed;
  left:0;top:0;bottom:0;
  width:var(--nav-w);
  z-index:60;
  background:linear-gradient(180deg,var(--primary) 0%,var(--primary-deep) 100%);
  color:#fff;
  padding:26px 18px 22px;
}
.side-nav-inner{
  height:100%;
  display:flex;
  flex-direction:column;
}
.brand-lock{
  display:flex;
  align-items:center;
  gap:11px;
  border-radius:14px;
  padding:8px 6px;
  transition:background .25s;
}
.brand-lock:hover{background:rgba(255,255,255,.08)}
.brand-badge{
  width:42px;height:42px;
  border-radius:13px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,#F4CE78,#E5A83B);
  color:#fff;
  font-size:24px;
  font-weight:800;
  flex:0 0 auto;
  box-shadow:0 6px 14px rgba(0,0,0,.18);
}
.brand-name-group{
  display:flex;
  flex-direction:column;
  line-height:1.15;
  min-width:0;
}
.brand-name{
  font-size:26px;
  font-weight:800;
  color:#F7D489;
  letter-spacing:-.01em;
}
.brand-tag{
  font-size:13px;
  color:#E8F2EF;
  letter-spacing:.1em;
  margin-top:3px;
  white-space:nowrap;
}
.nav-toggle{
  display:none;
}
.site-menu{
  margin-top:28px;
  display:flex;
  flex-direction:column;
}
.nav-label{
  font-size:11px;
  letter-spacing:.22em;
  color:rgba(255,255,255,.62);
  text-transform:uppercase;
  margin-bottom:8px;
  padding-left:10px;
}
.nav-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  height:46px;
  padding:0 14px;
  border-radius:10px;
  color:#D5E6E1;
  font-size:15px;
  font-weight:500;
  margin-bottom:6px;
  transition:background .25s,color .25s,box-shadow .25s;
}
.nav-link:hover{
  background:rgba(255,255,255,.08);
  color:#fff;
}
.nav-link.is-current{
  background:linear-gradient(90deg,rgba(255,255,255,.2),rgba(255,255,255,.03));
  color:#fff;
  font-weight:600;
  box-shadow:inset 3px 0 0 var(--accent);
}
.nav-ico{
  width:20px;
  text-align:center;
  font-size:19px;
  opacity:.85;
}
.side-status{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.14);
  border-radius:999px;
  padding:9px 14px;
  font-size:12px;
  color:rgba(255,255,255,.85);
  width:fit-content;
}
.status-dot{
  width:7px;height:7px;
  border-radius:50%;
  background:#69D6A8;
  box-shadow:0 0 0 3px rgba(105,214,168,.2);
}

/* 导航响应式 */
@media (min-width:992px) and (max-width:1199px){
  :root{--nav-w:216px}
  .page-frame{padding:36px 24px 60px}
}
@media (max-width:991px){
  .main-content{margin-left:0;padding-top:64px}
  .side-nav{
    width:100%;
    height:64px;
    top:0;bottom:auto;
    padding:0 16px;
    background:linear-gradient(90deg,var(--primary) 0%,var(--primary-deep) 100%);
    display:flex;
    align-items:center;
  }
  .side-nav-inner{
    width:100%;
    height:100%;
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    gap:12px;
  }
  .brand-lock{padding:0}
  .brand-badge{width:34px;height:34px;border-radius:10px;font-size:19px}
  .brand-name{font-size:20px}
  .brand-tag{font-size:12px;letter-spacing:.04em}
  .nav-toggle{
    width:42px;height:42px;
    border-radius:10px;
    border:1px solid rgba(255,255,255,.42);
    background:transparent;
    position:relative;
    cursor:pointer;
    display:inline-flex;
    align-items:center;
    justify-content:center;
  }
  .nav-toggle span,.nav-toggle span:before,.nav-toggle span:after{
    content:"";
    display:block;
    width:18px;height:2px;
    background:#fff;
    border-radius:4px;
    transition:transform .3s,opacity .3s;
    position:relative;
  }
  .nav-toggle span:before{position:absolute;top:-6px;left:0}
  .nav-toggle span:after{position:absolute;top:6px;left:0}
  .nav-toggle[aria-expanded="true"] span{background:transparent}
  .nav-toggle[aria-expanded="true"] span:before{top:0;transform:rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:after{top:0;transform:rotate(-45deg)}
  .site-menu{
    display:none;
    position:fixed;
    top:64px;left:0;right:0;
    background:var(--primary-deep);
    margin:0;
    padding:18px 20px 22px;
    box-shadow:0 18px 36px rgba(0,0,0,.18);
    border-top:1px solid rgba(255,255,255,.12);
  }
  .site-menu.is-open{display:flex;animation:menuDrop .28s ease}
  @keyframes menuDrop{
    from{opacity:0;transform:translateY(-8px)}
    to{opacity:1;transform:translateY(0)}
  }
  .nav-link{height:52px;font-size:17px}
  .nav-link.is-current{box-shadow:inset -1px 0 0 rgba(255,255,255,.2),inset 3px 0 0 var(--accent)}
  .side-status{margin-top:12px}
  .page-frame{padding:28px 20px 56px}
}

/* 通用按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  height:52px;
  padding:0 28px;
  border-radius:12px;
  border:0;
  font-size:16px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .2s,filter .2s,background .2s,box-shadow .2s,color .2s,border-color .2s;
}
.btn:active{transform:scale(.98)}
.btn-accent{
  background:linear-gradient(135deg,#F0BC55 0%,var(--accent-deep) 100%);
  color:#fff;
  box-shadow:0 12px 28px rgba(216,147,31,.3),inset 0 1px 0 rgba(255,255,255,.5);
}
.btn-accent:hover{
  filter:brightness(1.06);
  transform:translateY(-1px);
  box-shadow:0 16px 32px rgba(216,147,31,.38),inset 0 1px 0 rgba(255,255,255,.5);
}
.btn-outline-light{
  background:transparent;
  color:#fff;
  border:1px solid rgba(255,255,255,.45);
}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7)}
.btn-dark-line{
  background:#fff;
  color:var(--primary);
  border:1px solid #CDDBD5;
}
.btn-dark-line:hover{background:var(--primary-soft);border-color:var(--primary)}

/* 横幅 */
.crumb-line{
  font-size:13px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:18px;
  flex-wrap:wrap;
}
.crumb-line a{color:var(--primary);transition:color .2s}
.crumb-line a:hover{color:var(--accent-deep)}
.crumb-sep{opacity:.4}
.crumb-current{color:var(--muted)}

.cat-hero{
  background:linear-gradient(135deg,#EAF4F1 0%,#DCEBE6 100%);
  border:1px solid #CFE1DC;
  border-radius:var(--radius-lg);
  padding:48px 48px 44px;
  position:relative;
  overflow:hidden;
}
.cat-hero:after{
  content:"";
  position:absolute;
  right:-86px;top:-86px;
  width:220px;height:220px;
  background:radial-gradient(circle,rgba(229,168,59,.2) 0%,rgba(229,168,59,0) 70%);
  pointer-events:none;
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:13px;
  font-weight:600;
  color:var(--accent-deep);
  background:rgba(255,255,255,.7);
  border:1px solid rgba(229,168,59,.3);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:18px;
}
.hero-kicker:before{
  content:"";
  width:16px;height:2px;
  background:var(--accent);
  border-radius:2px;
}
.cat-hero h1{
  font-size:38px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--primary-deep);
  line-height:1.3;
  max-width:780px;
}
.cat-hero h1 span{color:var(--accent-deep)}
.hero-desc{
  margin-top:18px;
  max-width:820px;
  color:var(--muted);
  font-size:16px;
  line-height:1.9;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.tag-light{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(255,255,255,.86);
  border:1px solid #D5E3DF;
  color:var(--primary);
  font-size:13px;
  font-weight:600;
  padding:6px 14px;
  border-radius:999px;
}

/* 导览布局 */
.guide-layout{
  display:grid;
  grid-template-columns:238px minmax(0,1fr);
  gap:32px;
  margin-top:52px;
  align-items:start;
}
.toc-card{
  position:sticky;
  top:28px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-1);
  padding:22px;
}
.toc-kicker{
  font-size:12px;
  letter-spacing:.2em;
  color:var(--accent-deep);
  font-weight:700;
}
.toc-card h3{
  font-size:19px;
  font-weight:700;
  margin-top:6px;
  margin-bottom:12px;
  color:var(--text);
}
.toc-list{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.toc-list a{
  display:flex;
  align-items:center;
  gap:8px;
  padding:8px 6px;
  border-radius:8px;
  font-size:14px;
  color:var(--muted);
  transition:background .2s,color .2s;
}
.toc-list a .no{
  font-weight:800;
  color:var(--accent);
  font-size:12px;
  letter-spacing:.02em;
  min-width:22px;
}
.toc-list a:hover{background:var(--primary-soft);color:var(--primary)}
.toc-note{
  margin-top:18px;
  padding-top:14px;
  border-top:1px dashed #D7E2DE;
  font-size:12px;
  color:var(--muted);
  line-height:1.7;
}
.toc-note strong{color:var(--primary)}

/* 章节卡片 */
.chapter-list{
  display:flex;
  flex-direction:column;
  gap:26px;
}
.chapter-card{
  background:var(--surface);
  border:1px solid #E1EAE6;
  border-radius:20px;
  box-shadow:var(--shadow-1);
  padding:28px 30px;
  transition:box-shadow .3s,transform .3s,border-color .3s;
  scroll-margin-top:24px;
}
.chapter-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-2);
  border-color:#C9DAD4;
}
.chapter-head{
  display:flex;
  gap:18px;
  align-items:flex-start;
}
.chapter-no{
  font-size:42px;
  font-weight:800;
  line-height:1;
  background:linear-gradient(135deg,#F0BC55,#D8931F);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  min-width:58px;
  letter-spacing:-.04em;
}
.chapter-body{flex:1;min-width:0}
.chapter-body h2{
  font-size:22px;
  font-weight:700;
  color:var(--text);
  margin-bottom:8px;
  letter-spacing:-.01em;
}
.chapter-body h2 .en{
  font-size:12px;
  color:var(--accent-deep);
  margin-left:8px;
  font-weight:600;
  vertical-align:3px;
}
.chapter-body p{
  font-size:15px;
  color:var(--muted);
  line-height:1.9;
}
.chapter-list-inset{
  margin-top:16px;
  background:#FAFBF8;
  border:1px solid #E7ECE8;
  border-radius:var(--radius-md);
  padding:16px 18px;
}
.chip-line{
  display:flex;
  flex-wrap:wrap;
  gap:9px;
  align-items:center;
}
.chip-line span{
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  border:1px solid #C8D8D3;
  background:#fff;
  padding:4px 12px;
  border-radius:999px;
}
.node-list{
  display:grid;
  gap:10px;
  margin-top:4px;
}
.node-list li{
  display:flex;
  align-items:flex-start;
  gap:9px;
  font-size:14px;
  color:var(--muted);
}
.node-list li:before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--accent);
  margin-top:9px;
  flex:0 0 auto;
}
.chapter-figure{
  margin-top:18px;
  border-radius:16px;
  overflow:hidden;
  background:var(--primary-soft);
  border:1px solid #DDE7E3;
}
.chapter-figure img{
  width:100%;
  height:196px;
  object-fit:cover;
  display:block;
}
.fig-cap{
  background:rgba(229,168,59,.1);
  color:var(--primary);
  font-size:12px;
  padding:6px 14px;
  border-top:1px solid #EDE3C9;
}
.mini-feat{
  margin-top:18px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.mini-feat div{
  flex:1;
  min-width:120px;
  background:var(--primary-soft);
  border-radius:14px;
  padding:14px 16px;
}
.mini-feat h4{
  font-size:14px;
  font-weight:700;
  color:var(--primary-deep);
}
.mini-feat p{
  font-size:13px;
  color:var(--muted);
  margin-top:4px;
  line-height:1.6;
}

/* 浅色邀请 */
.faq-link-inline{
  color:var(--primary);
  font-weight:600;
  border-bottom:1px dashed #A9C5BD;
  transition:color .2s,border-color .2s;
}
.faq-link-inline:hover{color:var(--accent-deep);border-color:var(--accent)}

/* 深色CTA */
.cta-panel{
  margin-top:52px;
  border-radius:var(--radius-lg);
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);
  color:#fff;
  padding:50px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  position:relative;
  overflow:hidden;
}
.cta-panel:before{
  content:"";
  position:absolute;
  left:-60px;bottom:-70px;
  width:220px;height:220px;
  border-radius:50%;
  background:rgba(229,168,59,.14);
  pointer-events:none;
}
.cta-copy h2{
  font-size:26px;
  font-weight:700;
  letter-spacing:-.01em;
  line-height:1.4;
}
.cta-copy p{
  color:#D4E8E2;
  margin-top:8px;
  font-size:15px;
  max-width:620px;
}
.cta-actions{
  display:flex;
  gap:12px;
  flex-direction:column;
  align-items:stretch;
  min-width:270px;
}
@media (max-width:991px){
  .cat-hero{padding:32px 24px}
  .cat-hero h1{font-size:32px}
  .guide-layout{grid-template-columns:1fr;margin-top:32px}
  .toc-card{position:static;overflow-x:auto}
  .toc-card .toc-list{
    flex-direction:row;
    gap:8px;
    width:max-content;
  }
  .toc-list a{
    padding:7px 12px;
    border:1px solid var(--line);
    border-radius:999px;
    background:#fff;
    white-space:nowrap;
  }
  .toc-note{display:none}
  .cta-panel{
    flex-direction:column;
    padding:36px 24px;
  }
  .cta-actions{min-width:0;width:100%;align-items:stretch}
}
@media (max-width:640px){
  .page-frame{padding:20px 14px 44px}
  .cat-hero{padding:24px 18px;border-radius:20px}
  .cat-hero h1{font-size:28px}
  .hero-desc{font-size:15px}
  .chapter-card{padding:20px 18px;border-radius:16px}
  .chapter-head{
    flex-direction:row;
  }
  .chapter-no{font-size:34px;min-width:44px}
  .chapter-body{padding-top:0}
  .chapter-body h2{font-size:19px}
  .chapter-body p{font-size:14px}
  .chapter-figure img{height:140px}
  .fig-cap{font-size:11px}
  .btn{width:100%;padding:0 16px}
  .cta-actions .btn{width:100%}
  .cta-panel{padding:30px 18px;border-radius:20px}
}

/* 页脚 */
.site-footer{
  background:var(--surface);
  border-top:1px solid var(--line);
  margin-top:auto;
}
.footer-top{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  display:grid;
  grid-template-columns:1.7fr 1fr 1.4fr;
  gap:44px;
  padding:48px 32px 40px;
}
.footer-brand .brand-lock{
  padding:0;
}
.footer-note{
  margin-top:14px;
  font-size:14px;
  color:var(--muted);
  line-height:1.85;
  max-width:320px;
}
.footer-col h4{
  font-size:15px;
  color:var(--text);
  font-weight:700;
  margin-bottom:14px;
}
.footer-col ul{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-col ul a{
  font-size:14px;
  color:var(--muted);
  transition:color .2s,padding-left .2s;
}
.footer-col ul a:hover{
  color:var(--primary);
  padding-left:4px;
}
.footer-tech{
  font-size:13px;
  color:var(--muted);
  line-height:1.8;
}
.footer-bottom{
  border-top:1px solid #E7ECE9;
  background:#F8FAF9;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:18px 32px;
  font-size:13px;
  color:var(--muted);
}
@media (max-width:900px){
  .footer-top{
    grid-template-columns:1fr 1fr;
    padding:38px 20px 30px;
  }
  .footer-brand{grid-column:1/-1}
}
@media (max-width:640px){
  .footer-top{grid-template-columns:1fr;gap:28px;padding:32px 20px 24px}
  .footer-bottom{padding:16px 20px;flex-direction:column}
}

/* roulang page: category2 */
:root {
  --primary: #0E6B5C;
  --primary-dark: #084C41;
  --primary-light: #E4F0ED;
  --accent: #E5A83B;
  --accent-soft: #FBF2E1;
  --accent-border: #EBD9B8;
  --bg: #F7F7F4;
  --card: #FFFFFF;
  --ink: #16241F;
  --muted: #58655F;
  --border: #DDE6E2;
  --shadow-card: 0 4px 16px rgba(10,58,49,0.06);
  --shadow-hover: 0 18px 40px rgba(10,58,49,0.14);
  --nav-w: 232px;
  --r-lg: 28px;
  --r-md: 20px;
  --r-sm: 14px;
  --r-pill: 999px;
  --t: 0.25s ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
  background: #EAF0ED;
  color: var(--ink);
  line-height: 1.75;
  min-height: 100vh;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

button,
input {
  font: inherit;
}

button {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid rgba(229, 168, 59, 0.38);
  outline-offset: 2px;
  border-radius: 8px;
}

.container {
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
  padding-left: 34px;
  padding-right: 34px;
}

.page-main {
  margin-left: var(--nav-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}

.page-body {
  flex: 1;
  width: 100%;
  padding: 44px 0 80px;
}

.text-accent {
  color: var(--accent);
}

/* ===== Sidebar Navigation ===== */
.side-nav {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--nav-w);
  z-index: 120;
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);
  display: flex;
  padding: 26px 20px 22px;
}

.side-nav-inner {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.brand-lock {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 2px 4px;
  border-radius: 14px;
}

.brand-badge {
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  border-radius: 13px;
  background: linear-gradient(135deg, #F0BC55, #D8931F);
  color: var(--primary-dark);
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 14px rgba(10,58,49,0.22);
}

.brand-name-group {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-size: 25px;
  font-weight: 800;
  color: #F2C260;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.brand-tag {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.86);
  margin-top: 2px;
}

.nav-toggle {
  display: none;
}

.site-menu {
  flex: 1;
  display: flex;
  flex-direction: column;
  margin-top: 34px;
}

.nav-label {
  padding-left: 14px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.2em;
  margin-bottom: 8px;
}

.nav-link {
  position: relative;
  height: 46px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: 12px;
  padding: 0 14px;
  margin-bottom: 4px;
  color: #D2E5E0;
  font-size: 15px;
  font-weight: 500;
  transition: background var(--t), color var(--t), transform var(--t);
}

.nav-link .nav-ico {
  width: 20px;
  text-align: center;
  font-size: 16px;
  opacity: 0.84;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  transform: translateX(2px);
}

.nav-link.is-current {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.03));
  color: #ffffff;
  font-weight: 600;
}

.nav-link.is-current::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 22px;
  transform: translateY(-50%);
  border-radius: 0 3px 3px 0;
  background: var(--accent);
}

.side-status {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--r-pill);
  color: rgba(255, 255, 255, 0.84);
  font-size: 12.5px;
  line-height: 1.2;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #62D9A8;
  box-shadow: 0 0 0 4px rgba(98, 217, 168, 0.14);
}

/* ===== Page leading ===== */
.crumb {
  margin-bottom: 18px;
  font-size: 13px;
  color: #7A8B84;
}

.crumb a {
  color: var(--primary);
  font-weight: 500;
  transition: color var(--t);
}

.crumb a:hover {
  color: #B67E12;
}

.crumb span {
  color: #A2AFAB;
}

.faq-lead-box {
  position: relative;
  background: var(--card);
  border: 1px solid #E3EAE6;
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  padding: 38px 38px 34px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: center;
  overflow: hidden;
}

.faq-lead-box::after {
  content: "";
  position: absolute;
  top: 0;
  left: 36px;
  right: 36px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #F0BC55 42%, transparent);
  border-radius: 0 0 3px 3px;
}

.lead-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  border-radius: var(--r-pill);
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 700;
  color: #946C11;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}

.faq-lead-box h1 {
  font-size: 38px;
  line-height: 1.26;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 16px;
}

.lead-copy {
  max-width: 720px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.9;
}

.faq-lead-visual {
  background: var(--primary-light);
  border-radius: 20px;
  padding: 8px;
  overflow: hidden;
}

.faq-lead-visual img {
  width: 100%;
  height: 208px;
  object-fit: cover;
  border-radius: 14px;
}

/* ===== Quick jump pills ===== */
.jump-cluster {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.jump-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: #ffffff;
  border: 1px solid var(--border);
  color: #2F5148;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--r-pill);
  padding: 10px 18px;
  box-shadow: var(--shadow-card);
  transition: border-color var(--t), color var(--t), transform var(--t), box-shadow var(--t);
}

.jump-pill::before {
  content: "→";
  color: var(--accent);
  font-weight: 700;
}

.jump-pill:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

/* ===== FAQ Groups ===== */
.qna-wrap {
  margin-top: 52px;
  max-width: 980px;
}

.qa-group {
  background: #ffffff;
  border: 1px solid #E2EAE6;
  border-radius: 26px;
  padding: 30px 34px 14px;
  margin-bottom: 34px;
  scroll-margin-top: 24px;
  box-shadow: var(--shadow-card);
}

.qa-group-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding-bottom: 16px;
  margin-bottom: 8px;
  border-bottom: 2px solid #F6E2BE;
}

.group-no {
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  border-radius: 15px;
  background: var(--accent-soft);
  border: 1px solid #F0DFBF;
  color: #9C6B0B;
  font-size: 17px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.group-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 2px;
}

.group-desc {
  font-size: 13.5px;
  color: var(--muted);
}

.faq-item {
  border-bottom: 1px solid #EDF1EF;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  min-height: 54px;
  cursor: pointer;
  padding: 14px 0 12px;
  user-select: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-q {
  flex: 1;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.6;
}

.faq-ico {
  flex: 0 0 26px;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: #F9E9CB;
  color: #9A6A0B;
  position: relative;
  transition: transform var(--t), background var(--t), color var(--t);
}

.faq-ico::before,
.faq-ico::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 2px;
  background: currentColor;
}

.faq-ico::before {
  width: 11px;
  height: 2px;
}

.faq-ico::after {
  width: 2px;
  height: 11px;
}

.faq-item[open] .faq-ico {
  transform: rotate(45deg);
  background: var(--accent);
  color: #ffffff;
}

.faq-a {
  padding: 0 40px 24px 0;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.95;
}

.faq-a p + p {
  margin-top: 10px;
}

/* ===== Safe board ===== */
.safe-board {
  position: relative;
  margin-top: 48px;
  background: linear-gradient(125deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--r-lg);
  padding: 48px;
  color: #ffffff;
  display: grid;
  grid-template-columns: 0.92fr 1.2fr;
  gap: 56px;
  overflow: hidden;
}

.safe-board::after {
  content: "";
  position: absolute;
  right: -100px;
  top: -110px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(229, 168, 59, 0.24), transparent 68%);
  border-radius: 50%;
  pointer-events: none;
}

.safe-copy {
  position: relative;
  z-index: 1;
}

.safe-copy .mini-line {
  display: block;
  width: 34px;
  height: 3px;
  background: var(--accent);
  border-radius: 3px;
  margin-bottom: 18px;
}

.safe-copy h2 {
  color: #ffffff;
  font-size: 30px;
  line-height: 1.4;
  letter-spacing: -0.01em;
  font-weight: 800;
  margin-bottom: 14px;
}

.safe-copy p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  line-height: 1.9;
}

.safe-list {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 14px;
}

.safe-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 18px;
  padding: 16px 18px;
  transition: background var(--t), transform var(--t);
}

.safe-list li:hover {
  background: rgba(255, 255, 255, 0.11);
  transform: translateY(-2px);
}

.safe-no {
  font-size: 13px;
  font-weight: 800;
  color: #F0BC55;
  line-height: 1.6;
  letter-spacing: 0.05em;
}

.safe-list strong {
  display: block;
  font-size: 16px;
  color: #ffffff;
  font-weight: 700;
  margin-bottom: 2px;
}

.safe-list p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  line-height: 1.7;
}

/* ===== CTA panel ===== */
.cta-panel {
  margin-top: 52px;
  background: linear-gradient(105deg, #ffffff 34%, #E4F0ED 120%);
  border: 1px solid #D4E4DD;
  border-radius: var(--r-lg);
  padding: 36px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  box-shadow: var(--shadow-card);
}

.cta-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #A36F0D;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.cta-kicker::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--accent);
  border-radius: 3px;
}

.cta-panel h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.4;
}

.cta-panel .cta-desc {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  max-width: 720px;
  margin-top: 6px;
}

.btn-gold {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 54px;
  padding: 0 28px;
  background: linear-gradient(135deg, #F0BC55, #D8931F);
  color: #2A1C02;
  font-size: 16px;
  font-weight: 800;
  border-radius: 14px;
  box-shadow: 0 12px 24px rgba(184, 120, 16, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  transition: transform var(--t), box-shadow var(--t), filter var(--t);
}

.btn-gold:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
  box-shadow: 0 18px 34px rgba(184, 120, 16, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.btn-gold:active {
  transform: scale(0.98);
}

/* ===== Footer ===== */
.site-footer {
  background: #ffffff;
  border-top: 1px solid #E1E9E5;
}

.footer-top {
  max-width: 1180px;
  margin: 0 auto;
  padding: 50px 34px 0;
  display: grid;
  grid-template-columns: 1.7fr 1fr 1.5fr;
  gap: 48px;
}

.site-footer .brand-name {
  color: var(--primary-dark);
}

.site-footer .brand-tag {
  color: #6C7E76;
}

.site-footer .brand-badge {
  background: linear-gradient(135deg, #F0BC55, #D8931F);
}

.footer-note {
  color: #6C7B74;
  font-size: 14px;
  line-height: 1.8;
  margin-top: 16px;
}

.footer-col h4 {
  font-size: 15px;
  color: #243E35;
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col a {
  color: #5A6C64;
  font-size: 14.5px;
  transition: color var(--t), padding-left var(--t);
}

.footer-col a:hover {
  color: var(--primary);
  padding-left: 3px;
}

.footer-tech {
  color: #6C7B74;
  font-size: 13px;
  line-height: 1.8;
}

.footer-bottom {
  max-width: 1180px;
  margin: 34px auto 0;
  padding: 17px 34px 22px;
  border-top: 1px solid #E6ECE9;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: #84958D;
  font-size: 13px;
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  :root {
    --nav-w: 216px;
  }

  .container {
    padding-left: 26px;
    padding-right: 26px;
  }

  .faq-lead-box {
    grid-template-columns: 1fr 240px;
    gap: 28px;
    padding: 32px 28px;
  }

  .faq-lead-visual img {
    height: 180px;
  }

  .safe-board {
    grid-template-columns: 1fr 1.15fr;
    gap: 34px;
    padding: 40px 32px;
  }

  .footer-top {
    grid-template-columns: 1.5fr 1fr 1.42fr;
    padding-left: 26px;
    padding-right: 26px;
  }

  .footer-bottom {
    padding-left: 26px;
    padding-right: 26px;
  }
}

@media (max-width: 991px) {
  .side-nav {
    inset: 0 0 auto 0;
    width: 100%;
    height: 64px;
    padding: 0;
    background: linear-gradient(180deg, var(--primary), var(--primary-dark));
    box-shadow: 0 4px 18px rgba(8, 76, 65, 0.18);
  }

  .side-nav-inner {
    height: 64px;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
  }

  .brand-lock {
    padding: 0;
  }

  .brand-badge {
    width: 36px;
    height: 36px;
    font-size: 18px;
    border-radius: 11px;
  }

  .brand-name {
    font-size: 22px;
  }

  .brand-tag {
    font-size: 11.5px;
  }

  .nav-toggle {
    display: flex;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 12px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: background var(--t), transform var(--t);
  }

  .nav-toggle:hover {
    background: rgba(255, 255, 255, 0.18);
  }

  .nav-toggle span {
    position: relative;
    width: 16px;
    height: 2px;
    background: #ffffff;
    border-radius: 3px;
    transition: background var(--t);
  }

  .nav-toggle span::before,
  .nav-toggle span::after {
    content: "";
    position: absolute;
    left: 0;
    width: 16px;
    height: 2px;
    background: #ffffff;
    border-radius: 3px;
    transition: transform var(--t), top var(--t);
  }

  .nav-toggle span::before {
    top: -6px;
  }

  .nav-toggle span::after {
    top: 6px;
  }

  body.nav-open .nav-toggle span {
    background: transparent;
  }

  body.nav-open .nav-toggle span::before {
    top: 0;
    transform: rotate(45deg);
  }

  body.nav-open .nav-toggle span::after {
    top: 0;
    transform: rotate(-45deg);
  }

  .site-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    width: 100%;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
    margin-top: 0;
    padding: 18px 18px 26px;
    background: #0A594B;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 18px 36px rgba(8, 58, 49, 0.2);
    flex: 1 0 auto;
  }

  body.nav-open .site-menu {
    display: flex;
    flex-direction: column;
    animation: menuIn 0.22s ease both;
  }

  @keyframes menuIn {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .site-menu .nav-label {
    margin-bottom: 6px;
  }

  .site-menu .nav-link {
    height: 50px;
    font-size: 16px;
  }

  .site-menu .side-status {
    margin-top: 18px;
  }

  .page-main {
    margin-left: 0;
  }

  .page-body {
    padding: 30px 0 60px;
  }

  .faq-lead-box {
    grid-template-columns: 1fr;
  }

  .faq-lead-visual {
    max-width: 100%;
  }

  .faq-lead-visual img {
    height: 190px;
  }

  .safe-board {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .cta-panel {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .page-body {
    padding: 22px 0 48px;
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .crumb {
    margin-bottom: 14px;
    font-size: 12px;
  }

  .faq-lead-box {
    padding: 26px 20px 22px;
    border-radius: 22px;
  }

  .faq-lead-box::after {
    left: 20px;
    right: 20px;
  }

  .faq-lead-box h1 {
    font-size: 30px;
    line-height: 1.32;
  }

  .lead-badge {
    font-size: 11px;
    padding: 4px 11px;
  }

  .lead-copy {
    font-size: 14.5px;
  }

  .faq-lead-visual {
    display: none;
  }

  .jump-cluster {
    gap: 10px;
  }

  .jump-pill {
    padding: 8px 14px;
    font-size: 13px;
  }

  .qna-wrap {
    margin-top: 38px;
  }

  .qa-group {
    padding: 22px 18px 10px;
    border-radius: 20px;
    margin-bottom: 22px;
  }

  .group-no {
    flex: 0 0 42px;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    font-size: 15px;
  }

  .group-title {
    font-size: 20px;
  }

  .group-desc {
    font-size: 12.5px;
  }

  .faq-q {
    font-size: 15.5px;
    line-height: 1.55;
  }

  .faq-a {
    padding-right: 0;
    font-size: 14.5px;
    line-height: 1.9;
  }

  .faq-item summary {
    gap: 14px;
  }

  .faq-ico {
    flex: 0 0 24px;
    width: 24px;
    height: 24px;
  }

  .safe-board {
    padding: 30px 22px;
    border-radius: 22px;
    margin-top: 36px;
  }

  .safe-copy h2 {
    font-size: 25px;
  }

  .safe-copy p {
    font-size: 14px;
  }

  .safe-list p {
    font-size: 13.5px;
  }

  .cta-panel {
    margin-top: 36px;
    padding: 26px 22px;
    border-radius: 22px;
  }

  .cta-panel h2 {
    font-size: 22px;
  }

  .cta-panel .cta-desc {
    font-size: 14px;
  }

  .btn-gold {
    width: 100%;
    height: 52px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 26px;
    padding: 38px 20px 0;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    margin-top: 22px;
    padding: 16px 20px 18px;
  }
}