/* roulang page: index */
:root {
  --color-primary: #0D3B2E;
  --color-primary-light: #1B5A45;
  --color-accent: #C9A063;
  --color-accent-light: #DFC088;
  --color-bg: #F6F3EC;
  --color-surface: #FFFFFF;
  --color-ink: #1E2A24;
  --color-muted: #6A756F;
  --color-line: #E4DED2;
  --color-success: #2E7D5B;
  --radius-card: 16px;
  --radius-btn: 999px;
  --shadow-card: 0 20px 40px -20px rgba(13,59,46,.15);
}
::-selection { background:#C9A063; color:#1E2A24; }
html { scroll-behavior:smooth; }
body {
  margin:0;
  background:var(--color-bg);
  color:var(--color-ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
*,*::before,*::after { box-sizing:border-box; }
img { max-width:100%; display:block; }
a { color:inherit; text-decoration:none; }
button,input,select,textarea { font:inherit; }
ul,ol { margin:0; padding:0; }
h1,h2,h3,h4,p { margin:0; }
h1,h2,h3 { line-height:1.3; letter-spacing:-.01em; }
.container { width:100%; max-width:1200px; margin-left:auto; margin-right:auto; padding-left:20px; padding-right:20px; }
.section { padding-top:clamp(4rem,8vw,7rem); padding-bottom:clamp(4rem,8vw,7rem); }
.skip-link { position:absolute; left:-999px; top:0; background:#fff; padding:10px 16px; z-index:200; border-radius:0 0 8px 0; }
.skip-link:focus { left:0; color:var(--color-primary); }

/* Buttons */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  border:1px solid transparent; border-radius:var(--radius-btn);
  padding:12px 28px; font-weight:600; font-size:.95rem; line-height:1;
  cursor:pointer; transition:all .2s ease; min-height:44px; white-space:nowrap;
}
.btn-lg { padding:16px 38px; font-size:1.05rem; }
.btn-accent { background:var(--color-accent); color:#1E2A24; }
.btn-accent:hover { background:var(--color-accent-light); transform:translateY(-2px); box-shadow:0 12px 24px -12px rgba(201,160,99,.8); }
.btn-accent:active { transform:translateY(0); filter:brightness(.97); }
.btn-outline-light { border-color:rgba(255,255,255,.55); color:#fff; background:transparent; }
.btn-outline-light:hover { background:rgba(255,255,255,.12); border-color:#fff; }
.btn-outline-dark { border-color:rgba(13,59,46,.35); color:var(--color-primary); background:transparent; }
.btn-outline-dark:hover { border-color:var(--color-primary); background:rgba(13,59,46,.06); }
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible { outline:2px solid var(--color-accent); outline-offset:3px; }

/* Section headers */
.eyebrow { display:inline-flex; align-items:center; gap:8px; font-size:.8rem; letter-spacing:.08em; font-weight:600; }
.eyebrow::before { content:""; width:22px; height:2px; background:var(--color-accent); border-radius:2px; }
.section-head { max-width:760px; }
.section-head h2 { font-size:clamp(1.7rem,2.5vw,2.4rem); font-weight:700; color:var(--color-primary); }
.section-head p { color:var(--color-muted); margin-top:14px; font-size:1rem; }
.gold-line { width:52px; height:3px; background:var(--color-accent); border-radius:4px; margin-top:20px; }

/* Header */
.site-header {
  position:relative;
  z-index:80;
  background:linear-gradient(90deg,var(--color-primary) 0%,var(--color-primary) 52%,var(--color-bg) 52%,var(--color-bg) 100%);
}
.header-inner { height:72px; display:flex; align-items:center; gap:18px; }
.brand { display:inline-flex; align-items:baseline; font-size:1.3rem; font-weight:800; color:#fff; letter-spacing:.01em; }
.brand em { font-style:normal; color:var(--color-accent); }
.brand .tail { font-weight:400; font-size:.78rem; color:rgba(255,255,255,.65); margin-left:4px; letter-spacing:.12em; text-transform:uppercase; }
.nav-links { display:flex; align-items:center; gap:0; margin-left:36px; }
.nav-links li { list-style:none; }
.nav-links a {
  position:relative; display:block; padding:10px 14px; color:rgba(255,255,255,.88);
  font-size:.95rem; font-weight:500; transition:color .2s;
}
.nav-links a::after {
  content:""; position:absolute; left:14px; right:14px; bottom:2px; height:2px; background:var(--color-accent);
  border-radius:2px; transform:scaleX(0); transform-origin:left; transition:transform .2s;
}
.nav-links a:hover { color:#fff; }
.nav-links a:hover::after { transform:scaleX(1); }
.nav-links a.active { color:var(--color-accent); }
.nav-links a.active::after { transform:scaleX(1); }
.header-tools { margin-left:auto; display:flex; align-items:center; gap:12px; }
.search-btn {
  width:42px; height:42px; border-radius:50%; border:1px solid rgba(255,255,255,.35);
  background:transparent; color:#fff; cursor:pointer; display:inline-flex; align-items:center; justify-content:center;
  transition:all .2s;
}
.search-btn:hover { background:rgba(255,255,255,.12); border-color:#fff; }
.menu-toggle { display:none; width:44px; height:44px; border-radius:10px; border:1px solid rgba(255,255,255,.35); background:transparent; color:#fff; cursor:pointer; align-items:center; justify-content:center; flex-direction:column; gap:5px; }
.menu-toggle span { width:20px; height:2px; background:#fff; border-radius:2px; transition:.2s; }
body.menu-open .menu-toggle span:nth-child(1) { transform:translateY(7px) rotate(45deg); }
body.menu-open .menu-toggle span:nth-child(2) { opacity:0; }
body.menu-open .menu-toggle span:nth-child(3) { transform:translateY(-7px) rotate(-45deg); }
.search-pop { position:absolute; right:20px; top:64px; width:320px; z-index:100; display:none; padding:10px 12px; background:#fff; border-radius:14px; box-shadow:0 30px 60px -24px rgba(13,59,46,.28); }
body.search-open .search-pop { display:flex; }
.search-pop form { flex:1; display:flex; gap:8px; }
.search-pop input { flex:1; height:44px; border:1px solid var(--color-line); border-radius:10px; padding:0 14px; background:var(--color-bg); font-size:.9rem; }
.search-pop input:focus { outline:none; border-color:var(--color-primary); box-shadow:0 0 0 3px rgba(13,59,46,.12); }
.search-pop button { border:0; border-radius:10px; background:var(--color-accent); color:#1E2A24; padding:0 18px; font-weight:600; cursor:pointer; }

/* Mobile drawer */
.mobile-drawer { display:none; position:absolute; top:72px; left:0; right:0; background:rgba(9,41,31,.98); padding:12px 18px 24px; z-index:90; border-bottom:1px solid rgba(201,160,99,.4); }
body.menu-open .mobile-drawer { display:block; }
.mobile-drawer ul { list-style:none; }
.mobile-drawer li + li { border-top:1px solid rgba(255,255,255,.08); }
.mobile-drawer a { display:block; padding:14px 6px; color:#E8F0EB; font-size:1rem; }
.mobile-drawer a.active { color:var(--color-accent); }
.mobile-drawer .m-btn { margin-top:16px; }

/* Hero */
.hero { position:relative; background:var(--color-bg); overflow:hidden; }
.hero-grid { display:grid; grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr); }
.hero-copy {
  background:linear-gradient(130deg,var(--color-primary),var(--color-primary) 18%,#09291F);
  color:#E8F0EB;
  padding:clamp(4.5rem,8vw,7rem) 48px clamp(4rem,6vw,6rem) clamp(20px,4vw,72px);
  display:flex; flex-direction:column; justify-content:center;
}
.hero-copy .hero-pill {
  display:inline-flex; width:fit-content; align-items:center; gap:8px;
  background:rgba(255,255,255,.08); border:1px solid rgba(201,160,99,.6); color:#F4DDB2;
  font-size:.8rem; font-weight:600; padding:7px 16px; border-radius:999px;
}
.hero-copy h1 {
  color:#fff; margin-top:28px; font-size:clamp(2.2rem,4.5vw,3.6rem); line-height:1.16;
  letter-spacing:-.02em; font-weight:800; max-width:650px;
}
.hero-copy h1 em { font-style:normal; color:var(--color-accent); }
.hero-sub { margin-top:24px; max-width:520px; color:rgba(232,240,235,.9); font-size:1.06rem; line-height:1.9; }
.hero-actions { display:flex; flex-wrap:wrap; gap:16px; margin-top:36px; }
.hero-trust {
  margin-top:44px; display:flex; flex-wrap:wrap; gap:18px 32px;
  border-top:1px solid rgba(255,255,255,.16); padding-top:26px;
}
.hero-trust div { display:flex; flex-direction:column; gap:2px; }
.hero-trust strong { color:#fff; font-size:1.35rem; font-weight:700; }
.hero-trust span { color:rgba(255,255,255,.6); font-size:.8rem; }
.hero-media { position:relative; min-height:560px; overflow:hidden; background:#EFEBE1; }
.hero-media img.hero-bg { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; opacity:.88; }
.hero-media .hero-veil { position:absolute; inset:0; background:linear-gradient(155deg,rgba(246,243,236,.32),transparent 42%); }
.float-card {
  position:absolute; z-index:6; background:#fff; border-radius:16px; box-shadow:var(--shadow-card);
  padding:16px 18px; border:1px solid rgba(228,222,210,.8); width:200px;
}
.float-card.gold { border-left:3px solid var(--color-accent); }
.float-card.top { top:16%; left:8%; }
.float-card.bottom { bottom:12%; right:7%; background:rgba(255,255,255,.93); backdrop-filter:blur(6px); width:216px; }
.float-card strong { display:block; color:var(--color-primary); font-size:1.2rem; }
.float-card span { color:var(--color-muted); font-size:.82rem; line-height:1.5; }
.hero-media .notice-chip {
  position:absolute; left:8%; bottom:6%; z-index:6; background:rgba(255,255,255,.9); border-radius:999px;
  padding:8px 16px; font-size:.8rem; color:var(--color-primary); display:inline-flex; gap:10px;
}
.hero-media .notice-chip b { color:var(--color-accent); }

/* Issue section */
.issue-bg { background:#fff; }
.issue-grid { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.issue-list { display:flex; flex-direction:column; gap:34px; }
.issue-item { display:flex; gap:20px; }
.issue-num { font-size:1.9rem; font-weight:800; color:rgba(13,59,46,.14); line-height:1; }
.issue-item h3 { font-size:1.15rem; color:var(--color-primary); }
.issue-item p { margin-top:8px; color:var(--color-muted); font-size:.95rem; line-height:1.8; }

/* Feature */
.feature-card { background:var(--color-surface); border:1px solid var(--color-line); border-radius:var(--radius-card); padding:30px; height:100%; transition:transform .2s,box-shadow .2s,border-color .2s; }
.feature-card:hover { transform:translateY(-4px); border-color:var(--color-accent); box-shadow:var(--shadow-card); }
.feature-icon {
  width:46px; height:46px; border-radius:12px; display:inline-flex; align-items:center; justify-content:center;
  background:rgba(13,59,46,.08); color:var(--color-primary); font-size:1.35rem; font-weight:600;
}
.feature-tags { display:flex; flex-wrap:wrap; gap:8px; margin:20px 0 10px; }
.tag { display:inline-flex; align-items:center; gap:6px; background:rgba(13,59,46,.06); color:var(--color-primary); border-radius:999px; padding:4px 12px; font-size:.78rem; font-weight:500; }
.tag.gold { background:rgba(201,160,99,.18); color:#856e35; }
.feature-note { margin-top:14px; padding-left:18px; }
.feature-note li + li { margin-top:8px; }
.feature-note li { list-style:none; position:relative; color:var(--color-ink); font-size:.92rem; }
.feature-note li::before { content:""; position:absolute; left:-16px; top:12px; width:8px; height:8px; border-radius:2px; background:var(--color-accent); }

/* Stats */
.stats-section { background:linear-gradient(120deg,#0D3B2E,#09291F); color:#fff; position:relative; overflow:hidden; }
.stats-section::after { content:""; position:absolute; width:380px; height:380px; border-radius:50%; right:-80px; top:-160px; background:radial-gradient(circle,rgba(201,160,99,.26),transparent 66%); pointer-events:none; }
.stats-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:30px; }
.stat-item { border-left:1px solid rgba(255,255,255,.14); padding-left:24px; }
.stat-item strong { display:block; font-size:2.45rem; font-weight:800; color:#fff; line-height:1.15; }
.stat-item strong i { font-style:normal; color:var(--color-accent); }
.stat-item span { color:rgba(232,240,235,.7); font-size:.9rem; margin-top:6px; display:block; }
.stats-note { margin-top:42px; font-size:.75rem; color:rgba(232,240,235,.5); }

/* News/CMS */
.news-head { display:flex; align-items:flex-end; justify-content:space-between; gap:24px; flex-wrap:wrap; }
.news-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:28px; margin-top:42px; }
.news-card { background:#fff; border:1px solid var(--color-line); border-radius:var(--radius-card); overflow:hidden; transition:border-color .2s,box-shadow .2s,transform .2s; height:100%; display:flex; flex-direction:column; }
.news-card:hover { border-color:var(--color-accent); box-shadow:var(--shadow-card); transform:translateY(-4px); }
.news-thumb { aspect-ratio:16/9; overflow:hidden; position:relative; }
.news-thumb img { width:100%; height:100%; object-fit:cover; transition:transform .4s; }
.news-card:hover .news-thumb img { transform:scale(1.04); }
.news-body { padding:22px 24px 24px; display:flex; flex-direction:column; flex:1; }
.news-meta { display:flex; gap:10px; align-items:center; color:var(--color-muted); font-size:.8rem; }
.news-meta .dot { opacity:.5; }
.news-body h3 { margin-top:12px; font-size:1.15rem; line-height:1.55; }
.news-body h3 a { color:var(--color-ink); }
.news-body h3 a:hover { color:var(--color-primary); }
.news-body p { margin-top:12px; color:var(--color-muted); font-size:.92rem; line-height:1.8; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.news-more { margin-top:18px; display:inline-flex; align-items:center; gap:6px; color:var(--color-primary); font-size:.9rem; font-weight:600; width:fit-content; }
.news-more i { transition:transform .2s; display:inline-block; }
.news-more:hover { color:#856e35; }
.news-more:hover i { transform:translateX(4px); }
.empty-tip { grid-column:1/-1; padding:40px; text-align:center; background:rgba(255,255,255,.7); border:1px dashed var(--color-line); border-radius:var(--radius-card); color:var(--color-muted); }

/* FAQ */
.faq-wrap { max-width:900px; margin:42px auto 0; }
.faq-item { background:#fff; border:1px solid var(--color-line); border-radius:14px; margin-top:14px; transition:border-color .2s; }
.faq-item.open { border-color:var(--color-accent); }
.faq-q { width:100%; border:0; background:transparent; display:flex; justify-content:space-between; align-items:center; gap:16px; padding:18px 22px; text-align:left; font-size:1rem; color:var(--color-ink); font-weight:600; cursor:pointer; min-height:56px; border-radius:14px; }
.faq-q .faq-icon { width:28px; height:28px; border-radius:50%; border:1px solid var(--color-line); display:flex; align-items:center; justify-content:center; color:var(--color-primary); flex-shrink:0; font-size:1.2rem; font-weight:400; transition:.2s; }
.faq-item.open .faq-icon { transform:rotate(45deg); background:var(--color-accent); border-color:var(--color-accent); color:#1E2A24; }
.faq-a { display:none; padding:0 22px 22px; color:var(--color-muted); font-size:.95rem; line-height:1.85; }
.faq-item.open .faq-a { display:block; }

/* CTA banner */
.cta-banner { background:linear-gradient(120deg,#0D3B2E 10%,#123F32,#09291F); border-radius:26px; color:#fff; overflow:hidden; position:relative; padding:clamp(2.5rem,5vw,4.5rem) clamp(28px,6vw,72px); }
.cta-banner::after { content:""; position:absolute; right:-130px; top:-130px; width:380px; height:380px; border-radius:50%; background:radial-gradient(circle,rgba(201,160,99,.3),transparent 70%); }
.cta-banner .btn { position:relative; z-index:3; }
.cta-banner h2 { font-size:clamp(1.7rem,3vw,2.5rem); color:#fff; font-weight:700; max-width:700px; }
.cta-banner p { color:rgba(232,240,235,.8); margin-top:16px; max-width:640px; }

/* Privacy strip */
.privacy-strip { background:#EDEBE3; border-top:1px solid var(--color-line); font-size:.8rem; color:var(--color-muted); }
.privacy-strip a { color:var(--color-primary); text-decoration:underline; text-underline-offset:4px; }

/* Footer */
.site-footer { background:#0A2C22; color:#DCE8E1; position:relative; }
.site-footer::before { content:""; display:block; height:4px; background:linear-gradient(90deg,var(--color-accent),transparent 56%,transparent); }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1.4fr; gap:48px; padding:64px 0 48px; }
.footer-brand .brand { font-size:1.35rem; }
.footer-brand p { margin-top:18px; color:rgba(220,232,225,.7); font-size:.9rem; max-width:300px; }
.footer-title { color:var(--color-accent); font-size:.8rem; font-weight:600; letter-spacing:.12em; text-transform:uppercase; margin-bottom:18px; }
.footer-links { list-style:none; }
.footer-links li + li { margin-top:10px; }
.footer-links a { color:rgba(220,232,225,.78); font-size:.9rem; transition:color .2s; }
.footer-links a:hover { color:var(--color-accent); }
.footer-contact p { color:rgba(220,232,225,.78); font-size:.9rem; line-height:1.9; margin-top:16px; }
.footer-contact .link { color:var(--color-accent-light); text-decoration:underline; text-decoration-color:rgba(201,160,99,.35); text-underline-offset:4px; }
.copyright { border-top:1px solid rgba(255,255,255,.1); padding:22px 0; font-size:.82rem; color:rgba(220,232,225,.6); display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap; }

/* Popup modal */
.modal { display:none; position:fixed; inset:0; z-index:999; align-items:center; justify-content:center; padding:20px; background:rgba(13,59,46,.7); backdrop-filter:blur(4px); }
body.modal-open { overflow:hidden; }
body.modal-open .modal { display:flex; }
.modal-card { background:#fff; border-radius:20px; width:100%; max-width:520px; padding:30px; box-shadow:0 40px 80px -24px rgba(0,0,0,.45); max-height:calc(100vh - 40px); overflow:auto; border-top:5px solid var(--color-accent); }
.modal-head { display:flex; gap:20px; margin-bottom:24px; }
.modal-head h3 { font-size:1.35rem; color:var(--color-primary); }
.modal-close { margin-left:auto; flex-shrink:0; width:44px; height:44px; border:1px solid var(--color-line); border-radius:50%; background:transparent; font-size:1.15rem; color:var(--color-muted); cursor:pointer; transition:.2s; }
.modal-close:hover { color:var(--color-primary); border-color:var(--color-primary); }
.form-label { display:block; font-size:.8rem; color:var(--color-muted); margin-bottom:7px; font-weight:600; }
.form-input { display:block; width:100%; height:48px; border:1px solid var(--color-line); background:var(--color-bg); border-radius:10px; padding:0 16px; color:var(--color-ink); transition:border-color .2s,box-shadow .2s; appearance:none; }
.form-input:focus { outline:none; border-color:var(--color-primary); box-shadow:0 0 0 4px rgba(13,59,46,.1); }
select.form-input { background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236A756F' d='M6 8L0 0h12z'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 16px center; padding-right:42px; }
.consent-note { font-size:.76rem; color:var(--color-muted); text-align:center; margin-top:12px; }
.consent-note a { color:var(--color-primary); text-decoration:underline; }
.form-success { display:none; background:rgba(46,125,91,.1); border-radius:10px; color:#276D51; text-align:center; padding:10px; font-size:.85rem; }

/* Float widgets */
.float-widget { position:fixed; right:22px; bottom:24px; z-index:300; display:flex; flex-direction:column; align-items:center; gap:12px; }
.float-consult {
  width:56px; height:56px; border-radius:50%; border:0; background:var(--color-accent); color:#1E2A24;
  box-shadow:0 18px 34px -10px rgba(201,160,99,.9); font-size:.8rem; font-weight:700; cursor:pointer; transition:transform .2s,background .2s;
}
.float-consult:hover { background:var(--color-accent-light); transform:translateY(-3px); }

/* Responsive */
@media (max-width:1024px) {
  .hero-copy { padding-left:40px; }
  .hero-grid { grid-template-columns:1.1fr .9fr; }
  .hero-copy h1 { font-size:clamp(2rem,3.6vw,2.8rem); }
  .nav-links { margin-left:10px; }
  .nav-links a { padding:10px 8px; }
  .nav-links a::after { left:8px; right:8px; }
  .site-header { background:var(--color-primary); }
  .header-tools { margin-left:auto; gap:8px; }
  .search-btn { display:none; }
  .nav-links { display:none; }
  .menu-toggle { display:inline-flex; }
  .header-cta { display:none; }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .issue-grid { grid-template-columns:1fr; gap:40px; }
}
@media (max-width:768px) {
  .header-cta { display:none; }
  .hero-grid { grid-template-columns:1fr; }
  .hero-copy { padding:56px 20px 44px; }
  .hero-copy h1 { font-size:clamp(2rem,7vw,2.6rem); }
  .hero-sub { font-size:.98rem; }
  .hero-media { min-height:320px; order:2; }
  .float-card { width:170px; padding:12px; }
  .float-card strong { font-size:1rem; }
  .stats-grid { grid-template-columns:1fr 1fr; }
  .stat-item { padding-left:14px; }
  .news-grid { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap:40px; }
  .news-head { align-items:flex-start; }
  .btn-lg { width:100%; }
  .hero-actions .btn { flex:1 1 auto; }
  .modal-card { padding:22px 18px; }
}
@media (max-width:520px) {
  .container { padding-left:16px; padding-right:16px; }
  .brand { font-size:1.15rem; }
  .brand .tail { display:none; }
  .hero-actions { flex-direction:column; align-items:stretch; }
  .hero-trust { gap:14px; }
  .hero-trust div { min-width:46%; }
  .stats-grid { grid-template-columns:1fr; }
  .stat-item { border-left:0; border-top:1px solid rgba(255,255,255,.16); padding:18px 0 0; margin-top:16px; }
  .privacy-strip { font-size:.75rem; }
  .float-widget { right:14px; bottom:14px; }
}

/* roulang page: article */
:root{
  --color-primary:#0D3B2E;
  --color-primary-light:#1B5A45;
  --color-primary-dark:#09291F;
  --color-accent:#C9A063;
  --color-accent-light:#DDBF87;
  --color-bg:#F6F3EC;
  --color-surface:#FFFFFF;
  --color-ink:#1E2A24;
  --color-muted:#6A756F;
  --color-line:#E4DED2;
  --color-success:#2E7D5B;
  --radius-card:18px;
  --radius-btn:999px;
  --shadow-card:0 20px 40px -22px rgba(13,59,46,.2);
  --font-main:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  margin:0;
  font-family:var(--font-main);
  background:var(--color-bg);
  color:var(--color-ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit}
ul,ol{margin:0;padding:0}
.container{width:100%;max-width:1200px;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
::selection{background:rgba(201,160,99,.25)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);font-weight:600;line-height:1;
  padding:13px 28px;font-size:1rem;cursor:pointer;
  border:1px solid transparent;transition:all .22s ease;
}
.btn-accent{background:var(--color-accent);color:#1E2A24;border-color:var(--color-accent)}
.btn-accent:hover{background:var(--color-accent-light);transform:translateY(-1px);box-shadow:0 10px 24px -12px rgba(201,160,99,.75)}
.btn-accent:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#F8F4EA}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.btn-green{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}
.btn-green:hover{background:var(--color-primary-light);transform:translateY(-1px)}
.btn-sm{padding:9px 20px;font-size:.9rem}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--color-accent);outline-offset:2px;border-radius:6px;
}
/* header */
.site-header{
  position:relative;z-index:60;
  background:linear-gradient(115deg,var(--color-primary) 0%,var(--color-primary) 54%,#14503B 100%);
  border-bottom:1px solid rgba(201,160,99,.24);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:72px;position:relative}
.brand{display:inline-flex;align-items:center;font-size:1.25rem;font-weight:700;letter-spacing:.5px;color:#FFF;white-space:nowrap}
.brand em{font-style:normal;color:var(--color-accent);margin-right:1px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;background:transparent;border:1px solid rgba(255,255,255,.22);
  color:#fff;cursor:pointer;align-items:center;justify-content:center;margin-left:auto;
}
.nav-toggle svg{width:22px;height:22px}
.nav-links{margin-left:24px}
.nav-links ul{list-style:none;display:flex;align-items:center;gap:6px}
.nav-links li a{
  display:inline-block;padding:9px 15px;color:rgba(240,238,228,.88);font-size:.98rem;font-weight:500;border-radius:999px;position:relative;transition:all .2s;
}
.nav-links li a:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-links li a.active{color:var(--color-accent-light);background:rgba(201,160,99,.12)}
.header-actions{margin-left:14px;display:flex;align-items:center;gap:10px}
/* main area / masthead */
.article-masthead{
  position:relative;color:#fff;
  background:linear-gradient(135deg,rgba(13,59,46,.92) 0%,rgba(9,41,31,.82) 100%),url('/assets/images/backpic/back-2.webp') center center/cover no-repeat;
  padding:44px 0 96px;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;color:rgba(235,235,220,.66);font-size:.85rem}
.crumb a{color:rgba(235,235,220,.82)}
.crumb a:hover{color:var(--color-accent-light)}
.crumb .sep{color:rgba(201,160,99,.55)}
.crumb .current{color:rgba(201,160,99,.9);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mast-badge{
  display:inline-block;margin-top:22px;background:rgba(201,160,99,.16);border:1px solid rgba(201,160,99,.55);
  color:var(--color-accent-light);padding:6px 14px;border-radius:8px;font-size:.85rem;letter-spacing:.3px;
}
.entry-title{
  margin:18px 0 14px;font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.32;font-weight:800;letter-spacing:.2px;color:#fff;max-width:900px;
}
.entry-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;color:rgba(235,235,220,.6);font-size:.88rem;margin-top:8px}
.entry-meta .m-item{display:inline-flex;align-items:center;gap:7px}
.entry-meta svg{width:16px;height:16px;opacity:.7}
.entry-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--color-accent);display:inline-block}
/* article panel */
.article-layout{position:relative;z-index:5;max-width:900px;margin:-62px auto 0;padding:0 20px}
.article-panel{
  background:var(--color-surface);border:1px solid rgba(228,222,210,.8);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:42px 50px;
}
.article-content{font-size:1.05rem;line-height:1.9;color:var(--color-ink);word-wrap:break-word}
.article-content p{margin:0 0 1.45em;line-height:1.95}
.article-content h2,.article-content h3,.article-content h4{color:var(--color-primary);line-height:1.4;font-weight:700;margin:2em 0 .8em}
.article-content h2{font-size:1.55rem;padding-left:14px;border-left:4px solid var(--color-accent)}
.article-content h3{font-size:1.28rem}
.article-content h4{font-size:1.12rem}
.article-content ul,.article-content ol{margin:0 0 1.5em;padding-left:1.6em}
.article-content li{margin-bottom:.45em;padding-left:.2em}
.article-content ul li::marker{color:var(--color-primary-light)}
.article-content ol li::marker{color:var(--color-accent)}
.article-content a{color:#146A4A;border-bottom:1px solid rgba(201,160,99,.6)}
.article-content a:hover{color:var(--color-primary)}
.article-content blockquote{
  margin:1.8em 0;padding:16px 22px;background:var(--color-bg);border-left:4px solid var(--color-accent);
  border-radius:0 12px 12px 0;color:var(--color-muted);
}
.article-content img{border-radius:12px;margin:1.6em auto;height:auto}
.article-content table{width:100%;border-collapse:collapse;margin:1.8em 0;font-size:.95rem}
.article-content th,.article-content td{border:1px solid var(--color-line);padding:10px 12px;text-align:left}
.article-content th{background:#EAF1EC;color:var(--color-primary)}
.article-content pre{background:var(--color-primary-dark);color:#e9f0ea;padding:18px;border-radius:12px;overflow-x:auto}
.article-content hr{border:none;border-top:1px solid var(--color-line);margin:2em 0}
/* tags and share */
.entry-foot{margin-top:36px;padding-top:28px;border-top:1px solid var(--color-line);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag-chip{display:inline-block;padding:5px 14px;border-radius:6px;border:1px solid var(--color-line);background:var(--color-bg);font-size:.8rem;color:var(--color-muted);transition:all .2s}
.tag-chip:hover{border-color:var(--color-accent);color:var(--color-primary)}
.share-tools{display:flex;align-items:center;gap:8px}
.copy-link-btn{
  border:1px solid var(--color-line);background:#fff;border-radius:999px;color:var(--color-ink);
  padding:7px 16px;font-size:.82rem;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:all .2s;
}
.copy-link-btn:hover{color:var(--color-primary);border-color:var(--color-accent)}
/* fold nav / prev next */
.article-foot{margin:26px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fold-link{
  background:var(--color-bg);border:1px solid var(--color-line);border-radius:14px;padding:16px 20px;
  display:flex;align-items:center;gap:12px;transition:all .25s;
}
.fold-link .dir{font-size:.78rem;color:var(--color-muted);display:block;margin-bottom:4px}
.fold-link .txt{font-size:.95rem;font-weight:600;color:var(--color-ink)}
.fold-link:hover{background:#fff;border-color:var(--color-accent);box-shadow:var(--shadow-card);transform:translateY(-2px)}
.fold-link.pull-right{justify-content:flex-end;text-align:right}
/* not found */
.empty-panel{min-height:420px;display:flex;align-items:center;justify-content:center;text-align:center}
.empty-panel .inner{background:#fff;border:1px solid var(--color-line);border-radius:var(--radius-card);padding:56px 36px;max-width:620px;box-shadow:var(--shadow-card)}
.empty-panel h1{color:var(--color-primary);font-size:1.7rem;margin:10px 0 12px}
/* related */
.block-spacing{padding:76px 0 20px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px}
.kicker{color:var(--color-accent);font-size:.8rem;letter-spacing:2px;font-weight:700;margin:0 0 8px;text-transform:uppercase}
.sec-title{color:var(--color-primary);font-size:clamp(1.55rem,2.4vw,2.15rem);line-height:1.25;margin:0;font-weight:800}
.sec-desc{color:var(--color-muted);max-width:560px;margin:12px 0 0;line-height:1.8}
.sec-extra a{color:var(--color-primary);font-size:.92rem;font-weight:600;white-space:nowrap}
.sec-extra a:hover{color:var(--color-accent)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.info-card{
  background:#fff;border:1px solid rgba(228,222,210,.75);border-radius:var(--radius-card);overflow:hidden;
  display:flex;flex-direction:column;height:100%;transition:all .22s;
}
.info-card:hover{border-color:var(--color-accent);box-shadow:var(--shadow-card);transform:translateY(-5px)}
.info-card .card-img{display:block;aspect-ratio:16/9;background:#DAE4DA;overflow:hidden}
.info-card .card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.info-card:hover .card-img img{transform:scale(1.04)}
.card-body{display:flex;flex-direction:column;gap:12px;padding:20px 20px 22px;flex:1}
.card-cat{font-size:.78rem;color:var(--color-primary-light);display:inline-flex;align-items:center;gap:6px}
.card-title{font-size:1.08rem;font-weight:700;color:var(--color-ink);line-height:1.55;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:3.1em}
.card-title:hover{color:var(--color-primary)}
.card-summary{font-size:.92rem;color:var(--color-muted);margin:0;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;font-size:.8rem;color:var(--color-muted);display:flex;align-items:center;justify-content:space-between}
/* cta */
.cta-strip{
  margin:70px 0 0;background:linear-gradient(115deg,var(--color-primary) 0%,var(--color-primary) 55%,#175741 100%);
  border-radius:22px;padding:42px 44px;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden;
}
.cta-strip::after{content:"";position:absolute;width:280px;height:280px;border-radius:50%;right:-80px;top:-90px;background:radial-gradient(circle,rgba(201,160,99,.22),transparent 65%)}
.cta-strip h2{color:#fff;font-size:clamp(1.3rem,2vw,1.8rem);margin:0 0 8px;line-height:1.35}
.cta-strip p{color:rgba(232,240,235,.72);margin:0;max-width:620px;font-size:.98rem}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2}
/* faq */
.faq-wrap{margin:78px 0 14px}
.faq-list{max-width:760px;margin-left:auto;margin-right:auto}
.faq-item{background:#fff;border:1px solid var(--color-line);border-radius:14px;margin-bottom:12px;overflow:hidden;transition:all .2s}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:18px 22px;font-weight:600;color:var(--color-primary);min-height:54px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-sign{width:28px;height:28px;border-radius:50%;border:1px solid var(--color-accent);color:var(--color-accent);display:inline-flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:500;flex:none;transition:transform .25s ease}
.faq-item[open]{border-color:rgba(201,160,99,.55);box-shadow:0 10px 24px -20px rgba(13,59,46,.25)}
.faq-item[open] summary .faq-sign{transform:rotate(45deg);background:var(--color-accent);color:#fff}
.faq-answer{padding:0 22px 20px;color:var(--color-muted);font-size:.96rem;line-height:1.85}
.faq-answer p{margin:0 0 .6em}
.faq-answer a{color:#146A4A}
/* modal */
.modal{
  position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px;
  background:rgba(9,41,31,.62);backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:all .3s ease;
}
.modal.active{opacity:1;visibility:visible}
.modal-panel{
  background:#fff;width:100%;max-width:520px;border-radius:22px;padding:34px;
  transform:translateY(24px);transition:transform .3s ease;box-shadow:0 30px 70px -30px rgba(13,59,46,.5);
}
.modal.active .modal-panel{transform:none}
.modal-close{position:absolute;right:12px;top:12px;width:48px;height:48px;background:transparent;border:none;border-radius:12px;cursor:pointer;font-size:2rem;color:var(--color-muted);line-height:1}
.modal-close:hover{background:var(--color-bg);color:var(--color-primary)}
.form-label{display:block;font-size:.85rem;color:var(--color-muted);font-weight:600;margin:16px 0 6px}
.form-control{
  width:100%;height:48px;border:1px solid var(--color-line);border-radius:10px;background:var(--color-bg);
  padding:0 14px;font-size:.95rem;color:var(--color-ink);transition:all .2s;
}
.form-control:focus{outline:none;border-color:var(--color-primary);background:#fff;box-shadow:0 0 0 4px rgba(201,160,99,.2)}
.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236A756F' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:40px}
.form-note{font-size:.75rem;color:var(--color-muted);margin-top:12px;text-align:center}
/* footer */
.site-footer{background:var(--color-primary);margin-top:84px;color:rgba(232,240,235,.82)}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .9fr 1.1fr;gap:36px;padding:58px 0 42px}
.footer-brand .brand{font-size:1.4rem;margin-bottom:16px}
.footer-brand p{font-size:.9rem;line-height:1.85;color:rgba(232,240,235,.62);max-width:310px;margin:14px 0 0}
#privacy-detail .footer-title{font-size:.8rem;letter-spacing:1.6px;color:var(--color-accent);margin-bottom:18px;font-weight:700}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:11px}
.footer-links a{color:rgba(232,240,235,.74);font-size:.92rem}
.footer-links a:hover{color:var(--color-accent-light)}
.footer-contact p{font-size:.88rem;color:rgba(232,240,235,.6);line-height:1.8;margin:0 0 16px}
.site-footer .link{color:var(--color-accent-light);font-size:.9rem;font-weight:600}
.site-footer .link:hover{color:#fff}
.copyright{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between;
  font-size:.82rem;color:rgba(232,240,235,.5);
}
.copyright a:hover{color:#fff}
.site-footer .flex{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
/* navigation responsive */
@media (max-width:991px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;background:rgba(10,47,36,.98);border-top:1px solid rgba(201,160,99,.3);
    display:none;padding:14px 20px 20px;border-radius:0 0 16px 16px;
  }
  .nav-links.open{display:block}
  .nav-links ul{flex-direction:column;align-items:stretch;gap:2px}
  .nav-links li a{display:block;padding:12px 14px}
}
@media (max-width:768px){
  body{font-size:.98rem}
  .header-inner{min-height:64px;flex-wrap:wrap}
  .brand{font-size:1.12rem}
  .article-masthead{padding:34px 0 88px}
  .article-panel{padding:24px 20px;margin-top:-44px}
  .article-layout{margin-top:-44px}
  .related-grid{grid-template-columns:1fr}
  .cta-strip{flex-direction:column;align-items:flex-start;padding:32px 24px}
  .cta-actions .btn{width:100%}
  .article-foot{grid-template-columns:1fr}
  .fold-link.pull-right{justify-content:flex-start;text-align:left}
  .footer-grid{grid-template-columns:1fr 1fr;padding:44px 0 32px;gap:28px}
  .footer-brand{grid-column:span 2}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .footer-brand{grid-column:auto}
  .header-actions{display:none}
  .modal-panel{padding:26px 20px}
  .copy-link-btn{font-size:.76rem;padding:6px 10px}
  .share-tools{flex-wrap:wrap}
}

/* roulang page: category1 */
:root {
    --color-primary: #0D3B2E;
    --color-primary-light: #1B5A45;
    --color-accent: #C9A063;
    --color-accent-light: #DFC088;
    --color-bg: #F6F3EC;
    --color-surface: #FFFFFF;
    --color-ink: #1E2A24;
    --color-muted: #6A756F;
    --color-line: #E4DED2;
    --font: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
    --radius-card: 16px;
    --radius-btn: 999px;
    --shadow-card: 0 20px 40px -20px rgba(13, 59, 46, 0.15);
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: var(--font);
    background: var(--color-bg);
    color: var(--color-ink);
    line-height: 1.85;
    -webkit-font-smoothing: antialiased;
  }

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

  a {
    color: inherit;
    text-decoration: none;
    transition: color .2s ease;
  }

  ul,
  ol {
    margin: 0;
    padding: 0;
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }

  h1,
  h2,
  h3,
  h4 {
    margin: 0 0 0.5em;
    line-height: 1.3;
    font-weight: 700;
  }

  p {
    margin: 0 0 1em;
  }

  .section {
    padding: clamp(4rem, 8vw, 6.5rem) 0;
  }

  .section-white {
    background: var(--color-surface);
  }

  .section-base {
    background: var(--color-bg);
  }

  .section-dark {
    background: linear-gradient(135deg, #0D3B2E 0%, #09291F 100%);
    color: rgba(246, 243, 236, 0.92);
  }

  .tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: .8rem;
    font-weight: 600;
    border-radius: 999px;
    color: var(--color-primary);
    background: rgba(13, 59, 46, 0.08);
    border: 1px solid rgba(13, 59, 46, 0.12);
    letter-spacing: 0.04em;
    line-height: 1.2;
  }

  .section-tag {
    display: inline-flex;
    padding: 5px 16px;
    border-radius: 999px;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .1em;
    margin-bottom: 14px;
    background: rgba(201, 160, 99, 0.12);
    color: var(--color-accent);
    border: 1px solid rgba(201, 160, 99, 0.4);
  }

  .section-head {
    max-width: 800px;
    margin-bottom: 44px;
  }

  .section-head h2 {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 14px;
  }

  .section-head p {
    color: var(--color-muted);
    font-size: 1.02rem;
    margin: 0;
  }

  .section-dark .section-head h2 {
    color: #F6F3EC;
  }

  .section-dark .section-head p {
    color: rgba(246, 243, 236, 0.75);
  }

  /* Header */
  .site-header {
    position: relative;
    z-index: 70;
    background: var(--color-primary);
  }

  .header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    gap: 28px;
  }

  .header-cta {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .brand {
    font-size: 1.22rem;
    font-weight: 800;
    color: #F6F3EC;
    line-height: 1.2;
    letter-spacing: .01em;
    flex-shrink: 0;
  }

  .brand em {
    color: var(--color-accent);
    font-style: normal;
    font-weight: 800;
  }

  .nav-links ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 30px;
    margin: 0;
  }

  .nav-links a {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 2px;
    color: rgba(246, 243, 236, 0.86);
    font-size: .96rem;
    font-weight: 500;
    line-height: 1.3;
  }

  .nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    height: 2px;
    width: 0;
    border-radius: 2px;
    background: var(--color-accent);
    transition: width .25s ease;
  }

  .nav-links a:hover {
    color: var(--color-accent-light);
  }

  .nav-links a:hover::after {
    width: 100%;
  }

  .nav-links a.active {
    color: var(--color-accent);
    font-weight: 600;
  }

  .nav-links a.active::after {
    width: 100%;
  }

  .menu-toggle {
    display: none;
    background: transparent;
    border: 0;
    padding: 10px;
    cursor: pointer;
    border-radius: 10px;
    color: #F6F3EC;
  }

  .menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    border-radius: 2px;
    background: #F6F3EC;
    margin: 5px 0;
    transition: transform .2s ease;
  }

  .site-header.nav-open .menu-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .site-header.nav-open .menu-toggle span:nth-child(2) {
    transform: translateY(-7px) rotate(-45deg);
  }

  @media (max-width: 940px) {
    .menu-toggle {
      display: inline-flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
    }

    .nav-links {
      display: none;
      position: absolute;
      top: calc(100% + 10px);
      left: 12px;
      right: 12px;
      background: var(--color-primary);
      border: 1px solid rgba(201, 160, 99, 0.35);
      border-radius: var(--radius-card);
      padding: 10px 18px;
      box-shadow: 0 24px 50px -20px rgba(0, 0, 0, 0.5);
    }

    .site-header.nav-open .nav-links {
      display: block;
    }

    .nav-links ul {
      display: block;
      gap: 0;
    }

    .nav-links li + li {
      border-top: 1px solid rgba(246, 243, 236, 0.08);
    }

    .nav-links a {
      width: 100%;
      justify-content: flex-start;
      padding: 14px 8px;
      font-size: 1rem;
    }

    .nav-links a::after {
      display: none;
    }

    .brand {
      font-size: 1.1rem;
    }
  }

  @media (max-width: 520px) {
    .header-cta .btn-sm {
      padding: 9px 16px;
      font-size: .8rem;
    }
  }

  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-btn);
    border: 1px solid transparent;
    padding: 12px 28px;
    font-weight: 600;
    cursor: pointer;
    transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
  }

  .btn-primary {
    background: var(--color-accent);
    color: #1E2A24;
  }

  .btn-primary:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -14px rgba(201, 160, 99, 0.8);
  }

  .btn-ghost-light {
    background: transparent;
    color: #F6F3EC;
    border-color: rgba(246, 243, 236, 0.55);
  }

  .btn-ghost-light:hover {
    background: rgba(246, 243, 236, 0.1);
    border-color: #F6F3EC;
    color: #FFF;
  }

  .btn-sm {
    padding: 9px 20px;
    font-size: .88rem;
  }

  .btn-dark {
    background: var(--color-primary);
    color: #F6F3EC;
  }

  .btn-dark:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
  }

  /* Hero */
  .page-hero {
    background: linear-gradient(100deg, #0D3B2E 0%, #0D3B2E 48%, #E9E5DA 48%, #F6F3EC 100%);
  }

  .hero-inner {
    display: grid;
    grid-template-columns: 1.02fr 1fr;
    gap: 40px;
    align-items: center;
    padding: 74px 0 84px;
  }

  .hero-copy h1 {
    color: #F6F3EC;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.01em;
    line-height: 1.25;
    margin: 14px 0 18px;
  }

  .hero-copy .lead {
    color: rgba(246, 243, 236, 0.78);
    font-size: 1.05rem;
    max-width: 540px;
    margin-bottom: 32px;
    line-height: 1.9;
  }

  .hero-copy .tag {
    color: var(--color-accent-light);
    background: rgba(201, 160, 99, 0.1);
    border-color: rgba(201, 160, 99, 0.35);
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
  }

  .hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 14px 28px;
    margin-top: 34px;
    padding-top: 22px;
    border-top: 1px solid rgba(246, 243, 236, 0.18);
  }

  .hero-trust span {
    color: rgba(246, 243, 236, 0.68);
    font-size: .87rem;
    line-height: 1.5;
  }

  .hero-trust strong {
    display: block;
    font-size: 1rem;
    color: #F6F3EC;
    font-weight: 700;
  }

  .hero-media {
    position: relative;
  }

  .hero-media img {
    width: 100%;
    height: 430px;
    object-fit: cover;
    border-radius: 22px;
    box-shadow: 0 28px 60px -24px rgba(13, 59, 46, 0.42);
  }

  .hero-media-card {
    position: absolute;
    right: 14px;
    bottom: 14px;
    left: 14px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-radius: 14px;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    border: 1px solid rgba(255, 255, 255, 0.8);
  }

  .hero-media-card .dot {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(13, 59, 46, 0.1);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .hero-media-card span {
    font-size: .83rem;
    color: var(--color-ink);
    line-height: 1.5;
  }

  @media (max-width: 1024px) {
    .page-hero {
      background: var(--color-primary);
    }

    .hero-inner {
      grid-template-columns: 1fr;
      padding: 54px 0 58px;
    }

    .hero-media img {
      height: 300px;
    }
  }

  @media (max-width: 640px) {
    .hero-inner {
      padding-top: 40px;
    }

    .hero-copy h1 {
      font-size: 2rem;
    }

    .hero-media {
      margin-top: 8px;
    }

    .hero-media img {
      height: 240px;
    }
  }

  /* Feature cards */
  .feature-card {
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    padding: 30px;
    position: relative;
    overflow: hidden;
    transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  }

  .feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent);
    box-shadow: 0 20px 50px -24px rgba(13, 59, 46, 0.3);
  }

  .feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 13px;
    background: rgba(13, 59, 46, 0.09);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
  }

  .feature-icon svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    stroke-width: 1.8;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  .feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
  }

  .feature-card p {
    color: var(--color-muted);
    font-size: .92rem;
    margin-bottom: 14px;
    line-height: 1.75;
  }

  .feature-list {
    list-style: none;
    margin: 0;
  }

  .feature-list li {
    padding-left: 24px;
    position: relative;
    font-size: .92rem;
    color: var(--color-ink);
    margin-bottom: 8px;
    line-height: 1.6;
  }

  .feature-list li::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 10px;
    width: 8px;
    height: 8px;
    border-radius: 2px;
    background: var(--color-accent);
  }

  .more-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--color-primary);
    font-weight: 600;
    font-size: .9rem;
    transition: gap .2s ease, color .2s ease;
  }

  .more-link:hover {
    color: var(--color-accent);
    gap: 9px;
  }

  /* Steps */
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 20px;
  }

  .step-item {
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 18px;
    padding: 30px 26px;
    transition: border-color .2s ease, background .2s ease;
  }

  .step-item:hover {
    border-color: rgba(201, 160, 99, 0.5);
    background: rgba(255, 255, 255, 0.065);
  }

  .step-item strong {
    display: block;
    font-size: 1.15rem;
    color: #F6F3EC;
    margin-bottom: 8px;
  }

  .step-item p {
    color: rgba(246, 243, 236, 0.72);
    font-size: .9rem;
    margin: 0;
    line-height: 1.75;
  }

  .step-num {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: .85rem;
    font-weight: 700;
    color: var(--color-accent);
    background: rgba(201, 160, 99, 0.12);
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 14px;
  }

  @media (max-width: 900px) {
    .steps-grid {
      grid-template-columns: 1fr;
    }
  }

  /* AI扩展卡 / 双列说明 */
  .note-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .note-card {
    background: var(--color-bg);
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid var(--color-line);
    box-shadow: 0 16px 40px -30px rgba(13, 59, 46, 0.25);
  }

  .note-card figure {
    margin: 0;
    overflow: hidden;
    height: 220px;
  }

  .note-card figure img {
    transition: transform .35s ease;
  }

  .note-card:hover figure img {
    transform: scale(1.03);
  }

  .note-body {
    padding: 22px 24px 26px;
  }

  .note-body h3 {
    font-size: 1.15rem;
    color: var(--color-primary);
    font-weight: 700;
    margin-bottom: 8px;
  }

  .note-body p {
    color: var(--color-muted);
    font-size: .92rem;
    line-height: 1.8;
    margin: 0;
  }

  @media (max-width: 800px) {
    .note-grid {
      grid-template-columns: 1fr;
    }
  }

  /* 场景列表 */
  .scene-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin: 20px 0 0;
    list-style: none;
  }

  .scene-box {
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-left: 3px solid var(--color-accent);
    border-radius: 14px;
    padding: 24px 26px 22px;
    transition: box-shadow .2s ease, transform .2s ease;
  }

  .scene-box:hover {
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
  }

  .scene-box .scene-index {
    display: inline-block;
    font-size: .76rem;
    font-weight: 700;
    letter-spacing: .1em;
    color: var(--color-accent);
    background: rgba(201, 160, 99, 0.12);
    border-radius: 6px;
    padding: 2px 10px;
    margin-bottom: 12px;
  }

  .scene-box h3 {
    color: var(--color-primary);
    font-size: 1.05rem;
    margin-bottom: 6px;
  }

  .scene-box p {
    color: var(--color-muted);
    font-size: .9rem;
    line-height: 1.75;
    margin: 0;
  }

  @media (max-width: 820px) {
    .scene-list {
      grid-template-columns: 1fr;
    }
  }

  /* 数据条 */
  .stats-band {
    background: linear-gradient(120deg, #09291F, #0D3B2E 60%, #123F31);
    border-radius: 24px;
    padding: 42px 40px;
    color: #F6F3EC;
    box-shadow: 0 30px 60px -28px rgba(13, 59, 46, 0.5);
  }

  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }

  .stats-item {
    border-left: 1px solid rgba(201, 160, 99, 0.35);
    padding-left: 16px;
  }

  .stats-item strong {
    display: block;
    font-size: clamp(1.6rem, 3vw, 2.3rem);
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1.2;
    margin-bottom: 4px;
  }

  .stats-item span {
    font-size: .84rem;
    color: rgba(246, 243, 236, 0.7);
  }

  .stats-note {
    margin-top: 22px;
    color: rgba(246, 243, 236, 0.45);
    font-size: .76rem;
  }

  @media (max-width: 900px) {
    .stats-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 520px) {
    .stats-grid {
      grid-template-columns: 1fr;
    }
  }

  /* FAQ */
  .faq-wrap {
    max-width: 860px;
    margin: 0 auto;
  }

  .faq-item {
    border-bottom: 1px solid var(--color-line);
  }

  .faq-item:first-child {
    border-top: 1px solid var(--color-line);
  }

  .faq-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: transparent;
    border: 0;
    padding: 20px 2px;
    font-size: 1rem;
    color: var(--color-primary);
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    gap: 16px;
    line-height: 1.5;
  }

  .faq-icon {
    flex: 0 0 26px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    border: 1px solid var(--color-line);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 400;
    font-size: 1.1rem;
    transition: transform .25s ease, background .25s ease;
    user-select: none;
  }

  .faq-item.is-open .faq-icon {
    transform: rotate(45deg);
    background: rgba(201, 160, 99, 0.15);
    border-color: var(--color-accent);
  }

  .faq-answer {
    display: none;
    padding: 4px 2px 22px;
    color: var(--color-muted);
    font-size: .96rem;
    max-width: 830px;
  }

  .faq-answer p {
    margin: 0;
  }

  .faq-item.is-open .faq-answer {
    display: block;
  }

  /* CTA */
  .cta-panel {
    position: relative;
    border-radius: 26px;
    overflow: hidden;
    background-image: url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    color: #F6F3EC;
    padding: clamp(3rem, 6vw, 5rem) clamp(1.5rem, 4vw, 4rem);
  }

  .cta-panel::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(9, 41, 31, 0.92) 0%, rgba(13, 59, 46, 0.7) 100%);
    z-index: 1;
  }

  .cta-panel > * {
    position: relative;
    z-index: 2;
  }

  .cta-panel h2 {
    font-size: clamp(1.6rem, 3vw, 2.3rem);
    margin-bottom: 12px;
    max-width: 680px;
  }

  .cta-panel p {
    color: rgba(246, 243, 236, 0.8);
    max-width: 650px;
    margin-bottom: 26px;
  }

  /* Footer */
  .site-footer {
    background: var(--color-primary);
    color: rgba(246, 243, 236, 0.77);
    padding: 64px 0 28px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.3fr;
    gap: 40px;
    padding-bottom: 38px;
  }

  .site-footer .brand {
    color: #F6F3EC;
    margin-bottom: 12px;
    display: inline-flex;
  }

  .footer-brand p {
    color: rgba(246, 243, 236, 0.6);
    font-size: .9rem;
    line-height: 1.8;
    max-width: 330px;
  }

  .footer-title {
    color: var(--color-accent);
    font-size: .8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .1em;
    margin-bottom: 16px;
  }

  .footer-links {
    list-style: none;
    display: grid;
    gap: 4px;
  }

  .footer-links a {
    display: inline-block;
    padding: 5px 0;
    font-size: .88rem;
    color: rgba(246, 243, 236, 0.68);
    line-height: 1.6;
  }

  .footer-links a:hover {
    color: var(--color-accent-light);
  }

  .footer-contact .link {
    display: inline-flex;
    margin-top: 6px;
    color: var(--color-accent-light);
    font-weight: 600;
    font-size: .92rem;
  }

  .footer-contact p {
    color: rgba(246, 243, 236, 0.6);
    font-size: .86rem;
  }

  .copyright {
    border-top: 1px solid rgba(246, 243, 236, 0.12);
    padding-top: 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    font-size: .82rem;
    color: rgba(246, 243, 236, 0.58);
  }

  .copyright a:hover {
    color: var(--color-accent-light);
  }

  @media (max-width: 960px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
  }

  @media (max-width: 560px) {
    .footer-grid {
      grid-template-columns: 1fr;
    }

    .copyright {
      justify-content: flex-start;
    }
  }

  /* Modal */
  .modal-mask {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(13, 59, 46, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    backdrop-filter: blur(4px);
  }

  .modal-mask[hidden] {
    display: none;
  }

  .modal-card {
    position: relative;
    background: #fff;
    border-radius: 20px;
    width: 100%;
    max-width: 520px;
    padding: 42px 32px 28px;
    max-height: 90vh;
    overflow: auto;
  }

  .modal-card h2 {
    color: var(--color-primary);
    font-size: 1.45rem;
    margin-bottom: 8px;
  }

  .modal-card > p {
    color: var(--color-muted);
    font-size: .9rem;
    line-height: 1.75;
    margin-bottom: 22px;
  }

  .modal-close {
    position: absolute;
    right: 12px;
    top: 12px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 0;
    background: rgba(13, 59, 46, 0.06);
    color: var(--color-ink);
    font-size: 1.4rem;
    cursor: pointer;
    transition: background .2s ease;
  }

  .modal-close:hover {
    background: rgba(13, 59, 46, 0.13);
  }

  .form-field {
    margin-bottom: 16px;
  }

  .form-field label {
    display: block;
    font-size: .8rem;
    color: var(--color-muted);
    padding-bottom: 6px;
    font-weight: 500;
  }

  .form-field input,
  .form-field select {
    width: 100%;
    height: 46px;
    border: 1px solid var(--color-line);
    background: var(--color-bg);
    padding: 0 14px;
    border-radius: 10px;
    font-family: inherit;
    color: var(--color-ink);
    font-size: .92rem;
    outline: none;
    transition: border-color .2s ease, box-shadow .2s ease;
  }

  .form-field select {
    cursor: pointer;
  }

  .form-field input:focus,
  .form-field select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(201, 160, 99, 0.35);
  }

  .form-privacy {
    color: var(--color-muted);
    font-size: .74rem;
    margin-top: 10px;
    text-align: center;
  }

  .float-support {
    position: fixed;
    right: 20px;
    bottom: 24px;
    z-index: 90;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-accent);
    color: #1E2A24;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 12px 30px -12px rgba(201, 160, 99, 0.8);
    transition: transform .2s ease, background .2s ease;
  }

  .float-support:hover {
    transform: translateY(-3px);
    background: var(--color-accent-light);
  }

  .float-support svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  @media (max-width: 520px) {
    .modal-card {
      padding-top: 34px;
      padding-left: 20px;
      padding-right: 20px;
    }
  }

/* roulang page: category2 */
:root {
    --color-primary: #0D3B2E;
    --color-primary-light: #1B5A45;
    --color-accent: #C9A063;
    --color-accent-light: #DFC088;
    --color-bg: #F6F3EC;
    --color-surface: #FFFFFF;
    --color-ink: #1E2A24;
    --color-muted: #6A756F;
    --color-line: #E4DED2;
    --color-success: #2E7D5B;
    --radius-card: 16px;
    --radius-btn: 999px;
    --shadow-soft: 0 20px 40px -20px rgba(13, 59, 46, 0.15);
  }
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }
  html {
    scroll-behavior: smooth;
  }
  body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-ink);
    font-family: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }
  body.modal-open {
    overflow: hidden;
  }
  body,
  h1,
  h2,
  h3,
  p,
  ul,
  ol,
  figure,
  blockquote {
    margin: 0;
    padding: 0;
  }
  ul,
  ol {
    list-style: none;
  }
  a {
    color: inherit;
    text-decoration: none;
  }
  img {
    max-width: 100%;
    display: block;
  }
  button,
  input,
  select,
  textarea {
    font: inherit;
    color: inherit;
  }
  button {
    border: 0;
    cursor: pointer;
    background: transparent;
  }
  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }
  .section-pad {
    padding: clamp(4rem, 8vw, 6.5rem) 0;
  }
  .section-head {
    max-width: 760px;
    margin: 0 auto 52px;
    text-align: center;
  }
  .section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-primary);
    background: rgba(13, 59, 46, .08);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: .875rem;
    font-weight: 600;
    margin-bottom: 16px;
  }
  .section-head h2 {
    font-size: clamp(1.7rem, 2.5vw, 2.4rem);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-primary);
  }
  .section-head p {
    color: var(--color-muted);
    margin-top: 14px;
    font-size: 1.05rem;
  }
  .divider-line {
    width: 56px;
    height: 3px;
    background: var(--color-accent);
    border-radius: 999px;
    margin: 22px auto 0;
  }

  /* Header */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: linear-gradient(100deg, var(--color-primary) 0%, var(--color-primary) 52%, #0a3328 100%);
    border-bottom: 1px solid rgba(201, 160, 99, .2);
  }
  .header-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    gap: 24px;
  }
  .header-left {
    display: flex;
    align-items: center;
    gap: 36px;
    flex: 1;
  }
  .brand {
    display: inline-flex;
    align-items: center;
    letter-spacing: .02em;
    font-weight: 700;
    font-size: 1.24rem;
    color: #f6f3ec;
    white-space: nowrap;
  }
  .brand em {
    font-style: normal;
    color: var(--color-accent);
  }
  .brand-mark {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
    margin: 0 2px 0 4px;
    display: inline-block;
  }
  .nav-links ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 6px;
  }
  .nav-links a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0 18px;
    font-size: .95rem;
    color: rgba(246, 243, 236, .82);
    border-radius: 999px;
    transition: color .2s, background .2s;
    font-weight: 500;
  }
  .nav-links a:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, .08);
  }
  .nav-links a.active {
    color: var(--color-accent);
    background: rgba(201, 160, 99, .1);
    box-shadow: inset 0 0 0 1px rgba(201, 160, 99, .25);
  }
  .navbar-tools {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }
  .icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 999px;
    color: rgba(246, 243, 236, .88);
    transition: background .2s, color .2s;
  }
  .icon-btn:hover {
    background: rgba(255, 255, 255, .08);
    color: var(--color-accent-light);
  }
  .icon-btn svg,
  .nav-toggle svg {
    width: 20px;
    height: 20px;
  }
  .nav-toggle {
    display: none;
  }

  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 0 28px;
    border-radius: var(--radius-btn);
    font-weight: 600;
    border: 1px solid transparent;
    transition: transform .2s, background .2s, box-shadow .2s, color .2s;
    cursor: pointer;
  }
  .btn-sm {
    min-height: 42px;
    padding: 0 22px;
    font-size: .86rem;
  }
  .btn-primary {
    background: var(--color-accent);
    color: var(--color-ink);
    box-shadow: 0 10px 20px -12px rgba(13, 59, 46, .4);
  }
  .btn-primary:hover {
    background: var(--color-accent-light);
    transform: translateY(-1px);
    box-shadow: 0 14px 24px -12px rgba(201, 160, 99, .38);
  }
  .btn-primary:active {
    transform: translateY(0);
  }
  .btn-ghost {
    background: transparent;
    border-color: rgba(246, 243, 236, .5);
    color: #f6f3ec;
  }
  .btn-ghost:hover {
    background: rgba(255, 255, 255, .1);
    border-color: #f6f3ec;
  }
  .btn-outline {
    background: var(--color-surface);
    border-color: var(--color-line);
    color: var(--color-primary);
  }
  .btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-primary-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-soft);
  }
  .btn:focus-visible,
  .nav-links a:focus-visible,
  .icon-btn:focus-visible,
  .nav-toggle:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
  }
  .link {
    color: var(--color-accent);
    font-weight: 600;
    transition: color .2s;
    display: inline-flex;
    align-items: center;
    gap: 4px;
  }
  .link:hover {
    color: var(--color-accent-light);
  }
  .link-arrow svg {
    width: 15px;
    height: 15px;
    transition: transform .2s;
  }
  .link-arrow:hover svg {
    transform: translateX(4px);
  }

  /* Page Hero */
  .page-hero {
    position: relative;
    padding: clamp(4rem, 7vw, 6rem) 0;
    color: #f6f3ec;
    background: linear-gradient(90deg, rgba(13, 59, 46, .95) 0%, rgba(13, 59, 46, .82) 65%, rgba(9, 41, 31, .68) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat, var(--color-primary);
  }
  .page-hero::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  }
  .breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(246, 243, 236, .66);
    font-size: .86rem;
    margin-bottom: 18px;
  }
  .breadcrumbs a {
    transition: color .2s;
  }
  .breadcrumbs a:hover {
    color: var(--color-accent);
  }
  .breadcrumbs span {
    color: rgba(246, 243, 236, .3);
  }
  .hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(201, 160, 99, .45);
    color: var(--color-accent-light);
    font-size: .84rem;
    font-weight: 600;
    letter-spacing: .04em;
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 22px;
  }
  .page-hero h1 {
    max-width: 860px;
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 800;
    line-height: 1.2;
    color: #ffffff;
    text-wrap: balance;
  }
  .page-hero h1 em {
    font-style: normal;
    color: var(--color-accent);
  }
  .page-hero .hero-desc {
    max-width: 640px;
    margin-top: 22px;
    font-size: 1.06rem;
    color: rgba(246, 243, 236, .92);
    line-height: 1.85;
  }
  .hero-actions {
    margin-top: 32px;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
  }
  .hero-note {
    margin-top: 30px;
    font-size: .84rem;
    color: rgba(246, 243, 236, .58);
  }

  /* Number / Section 02 */
  .channel-overview {
    background: var(--color-bg);
  }
  .overview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .number-item {
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-soft);
    padding: 32px 28px;
    transition: border-color .25s, transform .25s, box-shadow .25s;
    position: relative;
    overflow: hidden;
  }
  .number-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 76px;
    background: var(--color-accent);
    opacity: .7;
  }
  .number-item:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 24px 44px -22px rgba(13, 59, 46, .22);
  }
  .number-badge {
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    position: relative;
  }
  .number-badge small {
    font-size: 1.1rem;
    color: var(--color-accent);
  }
  .number-item h3 {
    font-size: 1.16rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-top: 18px;
  }
  .number-item p {
    color: var(--color-muted);
    margin-top: 10px;
    line-height: 1.8;
    font-size: .94rem;
  }

  /* Highlight Cards */
  .highlight-section {
    background: var(--color-bg);
  }
  .grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .cover-card {
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-card);
    overflow: hidden;
    transition: transform .25s, box-shadow .25s, border-color .25s;
    box-shadow: 0 10px 30px -20px rgba(13, 59, 46, .12);
    display: flex;
    flex-direction: column;
  }
  .cover-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-soft);
  }
  .cover-img {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-primary-light);
  }
  .cover-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .45s;
  }
  .cover-card:hover .cover-img img {
    transform: scale(1.04);
  }
  .cover-body {
    padding: 22px 22px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
  }
  .tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    border-radius: 8px;
    font-size: .78rem;
    line-height: 1;
    padding: 5px 10px;
    background: rgba(13, 59, 46, .08);
    color: var(--color-primary);
    font-weight: 500;
    align-self: flex-start;
  }
  .tag-gold {
    background: rgba(201, 160, 99, .15);
    color: #8a6228;
  }
  .cover-body h3 {
    font-size: 1.2rem;
    line-height: 1.4;
    color: var(--color-ink);
    font-weight: 700;
    margin-top: 14px;
  }
  .cover-body p {
    color: var(--color-muted);
    font-size: .94rem;
    line-height: 1.8;
    margin-top: 12px;
  }
  .card-foot {
    margin-top: auto;
    padding-top: 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .date-muted {
    font-size: .8rem;
    color: var(--color-muted);
  }

  /* Timeline */
  .timeline-section {
    background: var(--color-surface);
  }
  .timeline {
    max-width: 940px;
    margin: 0 auto;
    position: relative;
  }
  .timeline::before {
    content: "";
    position: absolute;
    top: 12px;
    bottom: 20px;
    left: 17px;
    width: 1px;
    background: var(--color-line);
  }
  .timeline-item {
    position: relative;
    display: grid;
    grid-template-columns: 36px 1fr;
    gap: 18px;
    padding: 0 0 42px 0;
  }
  .timeline-item:last-child {
    padding-bottom: 0;
  }
  .tl-dot {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-surface);
    border: 1px solid var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: .78rem;
    color: #8a6228;
    z-index: 1;
    box-shadow: 0 0 0 5px rgba(201, 160, 99, .14);
  }
  .tl-body {
    background: var(--color-bg);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-card);
    padding: 24px 26px;
    transition: border-color .2s, box-shadow .2s;
  }
  .tl-body:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-soft);
  }
  .tl-status {
    font-size: .8rem;
    color: var(--color-success);
    font-weight: 600;
  }
  .tl-body h3 {
    font-size: 1.24rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-top: 6px;
  }
  .tl-body p {
    margin-top: 10px;
    color: var(--color-muted);
    line-height: 1.8;
    font-size: .95rem;
  }

  /* Stats band */
  .stats-band {
    background: linear-gradient(135deg, var(--color-primary) 0%, #09291f 100%);
    color: #e8f0eb;
    padding: clamp(3.4rem, 5vw, 5.6rem) 0;
    position: relative;
    overflow: hidden;
  }
  .stats-band::before {
    content: "";
    position: absolute;
    width: 460px;
    height: 460px;
    right: -160px;
    top: -220px;
    background: radial-gradient(circle, rgba(201, 160, 99, .12), transparent 68%);
    border-radius: 50%;
  }
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
  }
  .stat-item {
    text-align: center;
    border-right: 1px solid rgba(246, 243, 236, .12);
    padding: 6px 12px;
  }
  .stat-item:last-child {
    border-right: 0;
  }
  .stat-num {
    font-size: clamp(2rem, 3vw, 2.6rem);
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1.2;
  }
  .stat-label {
    margin-top: 8px;
    font-size: .9rem;
    color: rgba(246, 243, 236, .72);
  }
  .stats-note {
    text-align: center;
    margin-top: 34px;
    font-size: .76rem;
    color: rgba(246, 243, 236, .5);
  }

  /* Value Section */
  .value-section {
    background: var(--color-bg);
  }
  .benefit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .benefit-card {
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-card);
    padding: 30px 26px;
    transition: transform .2s, box-shadow .2s, border-color .2s;
  }
  .benefit-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-soft);
  }
  .benefit-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(13, 59, 46, .09);
    color: var(--color-primary);
  }
  .benefit-icon svg {
    width: 24px;
    height: 24px;
  }
  .benefit-card h3 {
    font-size: 1.14rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-top: 18px;
  }
  .benefit-card p {
    font-size: .94rem;
    color: var(--color-muted);
    margin-top: 10px;
    line-height: 1.8;
  }

  /* FAQ */
  .faq-section {
    background: var(--color-surface);
  }
  .faq-wrap {
    max-width: 860px;
    margin: 0 auto;
  }
  .faq-item {
    border: 1px solid var(--color-line);
    border-radius: 14px;
    background: #fff;
    margin-bottom: 14px;
    overflow: hidden;
    transition: border-color .2s, box-shadow .2s;
  }
  .faq-item.open {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-soft);
  }
  .faq-q {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 58px;
    padding: 15px 22px;
    text-align: left;
    font-weight: 600;
    font-size: 1.02rem;
    color: var(--color-ink);
    background: transparent;
    transition: background .2s, color .2s;
  }
  .faq-q:hover {
    background: rgba(13, 59, 46, .03);
    color: var(--color-primary);
  }
  .faq-icon {
    width: 22px;
    height: 22px;
    position: relative;
    flex-shrink: 0;
    display: inline-flex;
  }
  .faq-icon::before,
  .faq-icon::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 14px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    transform: translate(-50%, -50%);
    transition: transform .2s;
  }
  .faq-icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
  }
  .faq-item.open .faq-icon::after {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease, padding .3s ease;
    padding: 0 24px;
    color: var(--color-muted);
    line-height: 1.85;
    font-size: .95rem;
  }
  .faq-item.open .faq-a {
    max-height: 520px;
    padding: 0 24px 24px;
  }
  .faq-a-inner {
    padding-top: 4px;
    border-top: 1px solid var(--color-line);
    padding-top: 16px;
  }

  /* CTA Band */
  .cta-band {
    background: var(--color-bg);
  }
  .cta-card {
    max-width: 950px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--color-primary), #09291f);
    border-radius: 24px;
    padding: clamp(2.5rem, 5vw, 4.2rem);
    text-align: center;
    color: #f6f3ec;
    position: relative;
    overflow: hidden;
  }
  .cta-card::before {
    content: "";
    position: absolute;
    width: 360px;
    height: 360px;
    left: -120px;
    bottom: -180px;
    background: radial-gradient(circle, rgba(201, 160, 99, .2), transparent 68%);
    border-radius: 50%;
  }
  .cta-card h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    color: #fff;
  }
  .cta-card p {
    color: rgba(246, 243, 236, .82);
    max-width: 620px;
    margin: 16px auto 0;
    line-height: 1.85;
    font-size: 1.02rem;
  }
  .cta-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 32px;
  }

  /* Footer */
  .site-footer {
    background: var(--color-primary);
    color: #c8d8d0;
    padding-top: clamp(3.5rem, 6vw, 5.5rem);
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
    gap: 40px;
    padding-bottom: 42px;
  }
  .footer-brand .brand {
    font-size: 1.3rem;
  }
  .footer-brand p {
    font-size: .92rem;
    line-height: 1.9;
    color: rgba(246, 243, 236, .65);
    margin-top: 16px;
    max-width: 320px;
  }
  .site-footer .footer-title {
    font-size: .82rem;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 18px;
  }
  .footer-links li {
    margin-bottom: 10px;
  }
  .footer-links a {
    color: rgba(246, 243, 236, .75);
    font-size: .92rem;
    transition: color .2s;
  }
  .footer-links a:hover {
    color: var(--color-accent);
  }
  .footer-contact p {
    font-size: .9rem;
    line-height: 1.8;
    color: rgba(246, 243, 236, .6);
    margin-bottom: 14px;
  }
  .footer-contact .link {
    font-size: .9rem;
    color: var(--color-accent);
  }
  .footer-contact .link:hover {
    color: var(--color-accent-light);
  }
  .copyright {
    border-top: 1px solid rgba(246, 243, 236, .12);
    padding: 22px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: .82rem;
    color: rgba(246, 243, 236, .55);
  }
  .copyright a {
    color: rgba(246, 243, 236, .66);
  }
  .copyright a:hover {
    color: var(--color-accent);
  }

  /* Mobile Menu */
  .mobile-menu {
    display: none;
    background: var(--color-primary);
    box-shadow: inset 0 8px 22px -18px rgba(0, 0, 0, .6);
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
  }
  .mobile-menu.open {
    max-height: 440px;
  }
  .mobile-menu .container {
    display: grid;
    gap: 2px;
    padding-top: 14px;
    padding-bottom: 18px;
  }
  .mobile-menu a {
    display: flex;
    align-items: center;
    min-height: 50px;
    color: rgba(246, 243, 236, .85);
    border-radius: 10px;
    padding: 0 12px;
    font-weight: 500;
    transition: background .2s, color .2s;
  }
  .mobile-menu a:hover,
  .mobile-menu a.active {
    background: rgba(201, 160, 99, .12);
    color: var(--color-accent-light);
  }
  .mobile-menu .btn {
    margin-top: 16px;
  }

  /* Search Layer */
  .search-layer {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(9, 41, 31, .72);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 16vh 20px 0;
    visibility: hidden;
    opacity: 0;
    transition: opacity .25s, visibility .25s;
  }
  .search-layer.open {
    visibility: visible;
    opacity: 1;
  }
  .search-box {
    display: flex;
    width: 100%;
    max-width: 620px;
    background: #fff;
    border-radius: 999px;
    padding: 6px 6px 6px 22px;
    gap: 8px;
    box-shadow: 0 30px 70px -24px rgba(9, 41, 31, .55);
  }
  .search-box input {
    border: 0;
    flex: 1;
    background: transparent;
    font-size: 1rem;
    min-height: 44px;
    outline: none;
    color: var(--color-ink);
  }
  .search-box button {
    background: var(--color-accent);
    border-radius: 999px;
    padding: 0 24px;
    color: var(--color-ink);
    font-weight: 600;
  }
  .search-close {
    position: absolute;
    top: 18px;
    right: 22px;
    color: #fff;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, .1);
    transition: background .2s;
  }
  .search-close:hover {
    background: rgba(255, 255, 255, .22);
  }

  /* Lead Modal */
  .modal-mask {
    position: fixed;
    inset: 0;
    z-index: 300;
    background: rgba(13, 59, 46, .62);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    visibility: hidden;
    opacity: 0;
    transition: opacity .25s, visibility .25s;
  }
  .modal-mask.open {
    visibility: visible;
    opacity: 1;
  }
  .modal-card {
    width: 100%;
    max-width: 520px;
    background: #fff;
    border-radius: 20px;
    padding: 34px 32px;
    box-shadow: 0 36px 80px -30px rgba(9, 41, 31, .6);
    transform: translateY(16px);
    transition: transform .25s;
    position: relative;
  }
  .modal-mask.open .modal-card {
    transform: translateY(0);
  }
  .modal-card h2 {
    font-size: 1.55rem;
    font-weight: 800;
    color: var(--color-primary);
  }
  .modal-card .modal-subtitle {
    color: var(--color-muted);
    font-size: .92rem;
    margin-top: 8px;
    line-height: 1.8;
  }
  .modal-close {
    position: absolute;
    right: 12px;
    top: 12px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    color: var(--color-ink);
    background: var(--color-bg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    transition: background .2s, color .2s;
  }
  .modal-close:hover {
    background: rgba(13, 59, 46, .12);
    color: var(--color-primary);
  }
  .lead-form {
    margin-top: 24px;
    display: grid;
    gap: 16px;
  }
  .field {
    display: grid;
    gap: 6px;
  }
  .field label {
    font-size: .82rem;
    color: var(--color-muted);
  }
  .field input,
  .field select {
    width: 100%;
    min-height: 48px;
    background: var(--color-bg);
    border: 1px solid var(--color-line);
    border-radius: 12px;
    padding: 0 16px;
    outline: none;
    color: var(--color-ink);
    font-size: .95rem;
    transition: border-color .2s, box-shadow .2s;
  }
  .field input:focus,
  .field select:focus {
    border-color: var(--color-success);
    box-shadow: 0 0 0 3px rgba(201, 160, 99, .2);
  }
  .modal-form-btn {
    width: 100%;
    background: var(--color-accent);
    color: var(--color-ink);
    min-height: 50px;
    border-radius: 999px;
    font-weight: 700;
  }
  .modal-form-btn:hover {
    background: var(--color-accent-light);
  }
  .form-success {
    background: rgba(46, 125, 91, .12);
    border: 1px solid rgba(46, 125, 91, .25);
    color: var(--color-success);
    padding: 18px 16px;
    border-radius: 12px;
    margin-top: 24px;
    font-weight: 600;
  }
  .modal-privacy {
    margin-top: 14px;
    font-size: .76rem;
    color: var(--color-muted);
    text-align: center;
    line-height: 1.7;
  }
  .modal-privacy a {
    color: var(--color-primary);
    text-decoration: underline;
  }

  /* Responsive */
  @media (max-width: 1024px) {
    .overview-grid,
    .grid-3,
    .benefit-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .timeline::before {
      left: 15px;
    }
    .timeline-item {
      grid-template-columns: 30px 1fr;
    }
    .tl-dot {
      width: 30px;
      height: 30px;
      font-size: .7rem;
    }
    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }
  @media (max-width: 768px) {
    .nav-links {
      display: none;
    }
    .nav-toggle {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      border-radius: 50%;
      color: var(--color-accent-light);
    }
    .nav-toggle:hover {
      background: rgba(255, 255, 255, .08);
    }
    .navbar-tools .btn {
      display: none;
    }
    .mobile-menu {
      display: block;
    }
    .page-hero {
      padding: 2.8rem 0 3.6rem;
    }
    .page-hero h1 {
      font-size: 1.8rem;
    }
    .hero-note {
      margin-top: 16px;
    }
    .overview-grid,
    .grid-3,
    .benefit-grid {
      grid-template-columns: 1fr;
    }
    .stats-grid {
      grid-template-columns: repeat(2, 1fr);
      row-gap: 34px;
    }
    .stat-item {
      border-right: 0;
    }
    .section-head {
      margin-bottom: 36px;
    }
    .cta-actions,
    .hero-actions {
      flex-direction: column;
      align-items: stretch;
    }
    .btn {
      width: 100%;
    }
    .cta-actions .btn {
      width: 100%;
    }
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 32px;
    }
    .copyright {
      flex-direction: column;
      text-align: center;
      justify-content: center;
    }
    .modal-card {
      padding: 28px 20px;
    }
    .faq-a {
      padding: 0 16px;
    }
    .faq-item.open .faq-a {
      padding: 0 16px 20px;
    }
  }
  @media (max-width: 520px) {
    .header-wrap {
      gap: 8px;
    }
    .brand {
      font-size: 1.04rem;
    }
    .brand-mark {
      display: none;
    }
  }
  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      transition: none !important;
      scroll-behavior: auto !important;
    }
  }