/* roulang page: index */
:root{
  --pine:#183A32;
  --pine-deep:#10251F;
  --sand:#D9C6A3;
  --amber:#B47A32;
  --paper:#F7F4EC;
  --mist:#E9E5DB;
  --charcoal:#1B211D;
  --line:#D8D3C7;
  --danger:#A64B3C;
  --ok:#4F6B57;
  --sidebar-w:242px;
  --radius:4px;
  --radius-sm:2px;
  --shadow-hover:0 8px 24px rgba(16,37,31,.08);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.9;
  color:var(--charcoal);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius);}
a{color:var(--pine);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--pine-deep);}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;color:var(--pine-deep);margin:0;letter-spacing:.01em;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--sand);outline-offset:3px;}
.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--pine);color:var(--paper);
  padding:10px 18px;z-index:2000;border-radius:0 0 var(--radius) 0;
}
.skip-link:focus{left:0;color:var(--paper);}

/* ===== App shell ===== */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:linear-gradient(180deg,var(--pine-deep) 0%,var(--pine) 100%);
  color:#EFE9DC;display:flex;flex-direction:column;
  padding:28px 20px 24px;overflow-y:auto;z-index:1050;
  border-right:1px solid rgba(233,229,219,.10);
  transition:transform .28s ease;
}
.brand{display:block;padding-bottom:22px;border-bottom:1px solid rgba(233,229,219,.14);margin-bottom:22px;}
.brand-mark{
  display:block;font-family:var(--serif);font-size:23px;font-weight:600;
  color:#F7F4EC;line-height:1.3;letter-spacing:.02em;
}
.brand-sub{
  display:block;margin-top:8px;font-size:11.5px;letter-spacing:.24em;
  color:var(--sand);text-transform:uppercase;
}
.side-label{
  font-size:11.5px;letter-spacing:.22em;color:rgba(233,229,219,.55);
  margin-bottom:12px;text-transform:uppercase;
}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:26px;}
.side-link{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 12px 11px 14px;border-radius:var(--radius-sm);
  color:#DCD7C9;font-size:14.5px;line-height:1.5;
  transition:background .2s ease,color .2s ease;
}
.side-link i{font-size:12px;opacity:.7;width:14px;text-align:center;}
.side-link:hover{background:rgba(233,229,219,.08);color:#F7F4EC;}
.side-link.active{background:rgba(233,229,219,.12);color:#F7F4EC;font-weight:600;}
.side-link.active::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;
  background:var(--sand);border-radius:2px;
}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:46px;border-radius:var(--radius-sm);background:var(--sand);
  color:var(--pine-deep);font-size:14.5px;font-weight:600;letter-spacing:.04em;
  transition:background .2s ease,transform .2s ease;
}
.side-cta:hover{background:#E4D5B6;color:var(--pine-deep);}
.side-cta:hover i{transform:translateX(3px);}
.side-cta i{transition:transform .2s ease;font-size:12px;}
.side-note{
  margin-top:auto;padding-top:22px;border-top:1px solid rgba(233,229,219,.14);
  font-size:12.5px;line-height:1.75;color:rgba(233,229,219,.62);
}
.side-note strong{color:#EFE9DC;font-weight:600;display:block;margin-bottom:6px;font-size:13px;}

.scrim{display:none;position:fixed;inset:0;background:rgba(16,37,31,.42);z-index:1040;}
.scrim.show{display:block;}

.content{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:1060;
  background:var(--pine-deep);color:#F7F4EC;align-items:center;gap:12px;
  padding:0 16px;border-bottom:1px solid rgba(233,229,219,.14);
}
.menu-btn{
  width:40px;height:40px;border:1px solid rgba(233,229,219,.28);background:transparent;
  border-radius:var(--radius-sm);display:flex;flex-direction:column;justify-content:center;
  align-items:center;gap:4px;cursor:pointer;padding:0;
}
.menu-btn span{display:block;width:16px;height:1.5px;background:#F7F4EC;transition:transform .2s ease,opacity .2s ease;}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(5.5px) rotate(45deg);}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg);}
.topbar-brand{
  font-family:var(--serif);font-size:17px;color:#F7F4EC;font-weight:600;letter-spacing:.02em;
}
.topbar-brand:hover{color:var(--sand);}
.topbar-cta{
  margin-left:auto;font-size:13px;padding:8px 14px;border-radius:var(--radius-sm);
  background:var(--sand);color:var(--pine-deep);font-weight:600;
}
.topbar-cta:hover{background:#E4D5B6;color:var(--pine-deep);}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 32px;}
main{flex:1 1 auto;}

/* ===== Buttons ===== */
.btn-pine,.btn-outline,.btn-text{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--sans);font-size:15px;font-weight:600;letter-spacing:.02em;
  border-radius:var(--radius-sm);cursor:pointer;transition:all .22s ease;
}
.btn-pine{
  height:50px;padding:0 28px;background:var(--pine);color:var(--paper);
  border:1px solid var(--pine);
}
.btn-pine:hover{background:var(--pine-deep);border-color:var(--pine-deep);color:var(--paper);}
.btn-pine i{font-size:12px;transition:transform .22s ease;}
.btn-pine:hover i{transform:translateX(4px);}
.btn-outline{
  height:50px;padding:0 26px;background:transparent;color:var(--pine);
  border:1px solid var(--pine);
}
.btn-outline:hover{background:var(--sand);color:var(--pine-deep);border-color:var(--sand);}
.btn-outline i{font-size:12px;transition:transform .22s ease;}
.btn-outline:hover i{transform:translateX(3px);}
.btn-text{
  background:none;border:0;padding:0;height:auto;color:var(--pine);
  font-size:14px;border-bottom:1px solid transparent;
}
.btn-text:hover{border-bottom-color:var(--pine);}
.btn-block{width:100%;}

/* ===== Hero ===== */
.hero{
  position:relative;color:#F2EEE2;overflow:hidden;
  background:linear-gradient(115deg,rgba(16,37,31,.95) 0%,rgba(24,58,50,.90) 52%,rgba(16,37,31,.86) 100%),
             url(/assets/images/backpic/back-1.png) center/cover no-repeat;
  border-bottom:1px solid rgba(233,229,219,.16);
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  border:1px solid rgba(217,198,163,.18);border-radius:50%;pointer-events:none;
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:1.15fr .85fr;
  gap:56px;align-items:center;padding:82px 0 76px;z-index:1;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;font-size:12.5px;letter-spacing:.2em;
  color:var(--sand);border:1px solid rgba(217,198,163,.45);border-radius:var(--radius-sm);
  padding:6px 12px;margin-bottom:26px;text-transform:uppercase;
}
.hero-eyebrow::before{content:"";width:6px;height:6px;background:var(--sand);border-radius:50%;}
.hero h1{
  font-size:clamp(2.1rem,4.2vw,4.1rem);line-height:1.14;color:#F9F6ED;
  letter-spacing:.005em;margin-bottom:22px;
}
.hero h1 em{font-style:normal;color:var(--sand);}
.hero-lead{
  font-size:17px;line-height:1.9;color:rgba(242,238,226,.82);
  max-width:560px;margin-bottom:34px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero .btn-pine{background:var(--sand);border-color:var(--sand);color:var(--pine-deep);}
.hero .btn-pine:hover{background:#E9DBBC;border-color:#E9DBBC;color:var(--pine-deep);}
.hero .btn-outline{color:#F2EEE2;border-color:rgba(242,238,226,.5);}
.hero .btn-outline:hover{background:rgba(242,238,226,.12);border-color:var(--sand);color:#F9F6ED;}
.hero-card{
  background:rgba(247,244,236,.97);color:var(--charcoal);
  border:1px solid rgba(16,37,31,.12);border-radius:var(--radius);
  padding:26px 24px;box-shadow:0 18px 44px rgba(0,0,0,.22);
}
.hero-card-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:6px;
}
.hero-card-head .tag{
  font-size:12px;letter-spacing:.16em;color:var(--pine);background:var(--mist);
  border-radius:var(--radius-sm);padding:4px 10px;
}
.hero-card-code{
  font-family:var(--serif);font-size:12.5px;color:var(--amber);letter-spacing:.14em;
}
.tier-mini li{
  display:flex;gap:14px;align-items:flex-start;padding:15px 0;
  border-bottom:1px dashed var(--line);
}
.tier-mini li:last-child{border-bottom:0;padding-bottom:8px;}
.tier-mini .num{
  font-family:var(--serif);font-size:16px;color:var(--amber);
  font-variant-numeric:tabular-nums;line-height:1.6;min-width:22px;
}
.tier-mini strong{display:block;font-size:15px;color:var(--pine-deep);font-weight:600;}
.tier-mini p{font-size:13px;line-height:1.7;color:#5C645E;margin:2px 0 0;}
.hero-card .btn-pine{margin-top:18px;}

/* ===== Metrics ===== */
.metrics{
  background:var(--mist);border-bottom:1px solid var(--line);
}
.metrics-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  padding:34px 0;
}
.metric{padding:0 26px;border-left:1px solid var(--line);}
.metric:first-child{border-left:0;padding-left:0;}
.metric-value{
  font-family:var(--serif);font-size:36px;line-height:1.1;color:var(--pine);
  font-variant-numeric:tabular-nums;letter-spacing:.01em;
}
.metric-value small{font-size:14px;font-family:var(--sans);color:#5C645E;margin-left:6px;letter-spacing:0;}
.metric-label{font-size:13px;color:#5C645E;margin-top:6px;line-height:1.6;}

/* ===== Section basics ===== */
.section{padding:84px 0;}
.section.alt{background:var(--paper);}
.section.mist{background:var(--mist);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-tag{
  display:inline-block;font-size:12px;letter-spacing:.2em;color:var(--amber);
  text-transform:uppercase;margin-bottom:14px;
}
.section-title{font-size:clamp(1.6rem,2.6vw,2.5rem);line-height:1.28;margin-bottom:14px;}
.section-desc{font-size:15.5px;line-height:1.85;color:#59615B;margin:0;}

/* ===== Compare table ===== */
.compare-wrap{
  border:1px solid var(--line);border-radius:var(--radius);background:#FFFDF8;
  overflow-x:auto;overflow-y:visible;-webkit-overflow-scrolling:touch;
}
.compare{width:100%;min-width:720px;border-collapse:collapse;font-size:14.5px;}
.compare thead th{
  position:sticky;top:0;z-index:2;background:#F1EDE2;color:var(--pine-deep);
  font-family:var(--serif);font-size:15px;font-weight:600;text-align:left;
  padding:17px 20px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.compare thead th:first-child{left:0;z-index:3;}
.compare tbody th{
  position:sticky;left:0;z-index:1;background:#FFFDF8;text-align:left;
  font-weight:600;font-size:14.5px;color:var(--pine-deep);white-space:nowrap;
  padding:16px 20px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);
}
.compare tbody td{
  padding:16px 20px;border-bottom:1px solid var(--line);color:#4E5651;vertical-align:top;
}
.compare tbody tr:last-child th,.compare tbody tr:last-child td{border-bottom:0;}
.compare tbody tr:hover td{background:#FAF7EE;}
.compare .col-rec{background:rgba(217,198,163,.26);}
.compare thead .col-rec{background:#E6D8B9;color:var(--pine-deep);}
.compare thead .col-rec .badge-rec{
  display:inline-block;margin-left:8px;font-family:var(--sans);font-size:11px;
  letter-spacing:.08em;background:var(--amber);color:#FFF8EC;
  border-radius:var(--radius-sm);padding:2px 7px;vertical-align:1px;
}
.compare .yes{color:var(--ok);font-weight:600;}
.compare .no{color:#8A8F89;}
.table-hint{font-size:12.5px;color:#7A817B;margin-top:12px;display:none;}
.compare-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:28px;}
.compare-actions .note{font-size:13px;color:#6E756F;margin:0;}

/* ===== Tiers ===== */
.tiers-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:56px;align-items:start;}
.tiers-aside{position:sticky;top:36px;}
.tiers-aside .section-title{margin-bottom:16px;}
.tier-row{
  display:grid;grid-template-columns:96px 1fr;gap:26px;align-items:start;
  padding:30px 0;border-top:1px solid var(--line);
}
.tier-row:last-child{border-bottom:1px solid var(--line);}
.tier-num{
  font-family:var(--serif);font-size:44px;line-height:1;color:transparent;
  -webkit-text-stroke:1px var(--amber);letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
}
.tier-body h3{font-size:23px;margin-bottom:8px;}
.tier-body p{font-size:15px;line-height:1.85;color:#59615B;margin:0 0 12px;max-width:600px;}
.tier-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px;}
.chip{
  font-size:12px;padding:3px 10px;border-radius:var(--radius-sm);
  border:1px solid var(--line);color:#5C645E;background:#FFFDF8;
}
.chip.accent{border-color:rgba(180,122,50,.45);color:var(--amber);background:rgba(217,198,163,.18);}
.tier-link{
  font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:8px;
}
.tier-link i{font-size:11px;transition:transform .2s ease;}
.tier-link:hover i{transform:translateX(3px);}

/* ===== Exclusive preview ===== */
.preview-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.preview-card{
  border:1px solid var(--line);border-radius:var(--radius);background:#FFFDF8;
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.preview-card:hover{border-color:rgba(24,58,50,.34);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.preview-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--mist);}
.preview-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s ease;}
.preview-card:hover .preview-media img{transform:scale(1.03);}
.preview-lock{
  position:absolute;inset:0;background:rgba(16,37,31,.55);
  border:1px dashed rgba(242,238,226,.55);border-radius:0;
  display:flex;align-items:center;justify-content:center;
  font-size:12.5px;letter-spacing:.14em;color:#F4EFE2;
}
.preview-badge{
  display:inline-block;font-size:11.5px;letter-spacing:.1em;padding:3px 9px;
  border-radius:var(--radius-sm);background:rgba(180,122,50,.14);color:var(--amber);
  border:1px solid rgba(180,122,50,.32);
}
.preview-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.preview-body h3{font-size:20px;line-height:1.5;}
.preview-body p{font-size:14px;line-height:1.8;color:#5C645E;margin:0;}
.preview-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.preview-foot .state{font-size:12.5px;color:#7A817B;}
.preview-more{margin-top:36px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;}

/* ===== News / CMS ===== */
.news-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:40px;}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.news-card{
  position:relative;border:1px solid var(--line);border-radius:var(--radius);
  background:#FFFDF8;padding:26px 26px 22px;
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.news-card:hover{border-color:rgba(24,58,50,.34);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.news-card-inner{display:flex;gap:18px;}
.news-index{
  font-family:var(--serif);font-size:15px;color:var(--amber);
  font-variant-numeric:tabular-nums;line-height:1.7;min-width:26px;
}
.news-body{flex:1 1 auto;min-width:0;}
.news-cat{
  display:inline-block;font-size:11.5px;letter-spacing:.1em;color:var(--pine);
  background:var(--mist);border-radius:var(--radius-sm);padding:2px 9px;margin-bottom:10px;
}
.news-title{font-size:19px;line-height:1.55;margin-bottom:8px;}
.news-title a{color:var(--pine-deep);}
.news-title a:hover{color:var(--amber);}
.news-summary{
  font-size:14px;line-height:1.8;color:#5C645E;margin:0 0 14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;gap:14px;font-size:12.5px;color:#7A817B;
  border-top:1px solid var(--line);padding-top:12px;
}
.news-meta .go{margin-left:auto;color:var(--pine);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.news-meta .go i{font-size:11px;transition:transform .2s ease;}
.news-card:hover .news-meta .go i{transform:translateX(3px);}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius);background:#FFFDF8;
  padding:46px 28px;text-align:center;color:#6E756F;
}
.empty-state i{font-size:24px;color:var(--sand);margin-bottom:14px;display:block;}
.empty-state strong{display:block;font-size:16px;color:var(--pine-deep);margin-bottom:6px;font-family:var(--serif);}
.empty-state p{font-size:13.5px;margin:0;}

/* ===== FAQ ===== */
.faq-layout{display:grid;grid-template-columns:.68fr 1.32fr;gap:56px;align-items:start;}
.faq-aside{position:sticky;top:36px;}
.faq .accordion-item{
  background:transparent;border:0;border-top:1px solid var(--line);border-radius:0;
}
.faq .accordion-item:last-child{border-bottom:1px solid var(--line);}
.faq .accordion-button{
  background:transparent;color:var(--pine-deep);font-family:var(--sans);
  font-size:16.5px;font-weight:600;line-height:1.6;padding:22px 44px 22px 0;
  box-shadow:none;border-radius:0;
}
.faq .accordion-button:not(.collapsed){color:var(--pine);background:transparent;box-shadow:none;}
.faq .accordion-button::after{
  display:none;
}
.faq .accordion-button .ico{
  position:absolute;right:4px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;pointer-events:none;
}
.faq .accordion-button .ico::before,
.faq .accordion-button .ico::after{
  content:"";position:absolute;background:var(--pine);transition:transform .25s ease,opacity .25s ease;
}
.faq .accordion-button .ico::before{left:0;top:8px;width:18px;height:1.5px;}
.faq .accordion-button .ico::after{left:8px;top:0;width:1.5px;height:18px;}
.faq .accordion-button:not(.collapsed) .ico::after{transform:rotate(90deg);opacity:0;}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--sand);outline-offset:2px;}
.faq .accordion-body{
  padding:0 44px 24px 0;font-size:15px;line-height:1.85;color:#525A55;max-width:760px;
}
.faq-note{
  margin-top:26px;font-size:13.5px;color:#6E756F;
  border-left:2px solid var(--sand);padding-left:14px;line-height:1.8;
}

/* ===== CTA band ===== */
.cta-band{
  background:linear-gradient(120deg,var(--pine-deep) 0%,var(--pine) 62%,#1E4A3F 100%);
  color:#F2EEE2;border-top:1px solid rgba(233,229,219,.14);
}
.cta-grid{display:grid;grid-template-columns:1fr 460px;gap:60px;align-items:center;padding:82px 0;}
.cta-band h2{color:#F9F6ED;font-size:clamp(1.7rem,2.8vw,2.6rem);line-height:1.25;margin-bottom:18px;}
.cta-band .cta-lead{font-size:15.5px;line-height:1.9;color:rgba(242,238,226,.82);max-width:520px;margin-bottom:26px;}
.cta-points{display:flex;flex-direction:column;gap:12px;margin-bottom:8px;}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:rgba(242,238,226,.88);}
.cta-points i{color:var(--sand);font-size:12px;margin-top:7px;}
.lead-form{
  background:rgba(247,244,236,.98);color:var(--charcoal);
  border:1px solid rgba(16,37,31,.14);border-radius:var(--radius);
  padding:30px 28px 26px;box-shadow:0 20px 50px rgba(0,0,0,.24);
}
.lead-form h3{font-size:20px;margin-bottom:6px;}
.lead-form .form-intro{font-size:13px;color:#6E756F;margin:0 0 20px;line-height:1.7;}
.form-field{margin-bottom:16px;}
.form-label{display:block;font-size:13px;font-weight:600;color:var(--pine-deep);margin-bottom:7px;letter-spacing:.02em;}
.form-control{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#FFFDF8;padding:0 14px;font-size:15px;color:var(--charcoal);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-control::placeholder{color:#9AA09A;}
.form-control:focus{
  border-color:var(--pine);box-shadow:0 0 0 3px rgba(217,198,163,.55);outline:none;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-check{display:flex;gap:9px;align-items:flex-start;margin:4px 0 18px;}
.form-check input{margin-top:5px;width:15px;height:15px;accent-color:var(--pine);flex:0 0 auto;}
.form-check label{font-size:12.5px;line-height:1.7;color:#5C645E;}
.form-msg{font-size:13px;color:var(--ok);margin:12px 0 0;min-height:20px;}
.form-note{font-size:11.5px;line-height:1.7;color:#8A8F89;margin:14px 0 0;}

/* ===== Footer ===== */
.site-footer{
  background:var(--pine-deep);color:rgba(233,229,219,.72);
  padding:64px 0 26px;font-size:14px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:44px;padding-bottom:44px;}
.footer-brand .brand-mark{font-size:21px;}
.footer-brand p{font-size:13.5px;line-height:1.85;margin:16px 0 0;max-width:320px;color:rgba(233,229,219,.62);}
.footer-col h4{
  font-family:var(--sans);font-size:13px;letter-spacing:.16em;color:#EFE9DC;
  text-transform:uppercase;margin-bottom:16px;font-weight:600;
}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:rgba(233,229,219,.72);font-size:13.5px;}
.footer-col a:hover{color:var(--sand);}
.footer-contact li{font-size:13.5px;line-height:1.8;color:rgba(233,229,219,.7);}
.footer-contact span{color:var(--sand);margin-right:6px;}
.footer-bottom{
  border-top:1px solid rgba(233,229,219,.14);padding-top:22px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:12.5px;color:rgba(233,229,219,.55);
}
.footer-bottom a{color:rgba(233,229,219,.65);}
.footer-bottom a:hover{color:var(--sand);}

/* ===== Reveal ===== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .45s ease-out,transform .45s ease-out;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation:none !important;transition:none !important;}
}

/* ===== Responsive ===== */
@media (max-width:1199.98px){
  :root{--sidebar-w:220px;}
  .container{padding:0 26px;}
  .hero-grid{gap:40px;padding:70px 0 64px;}
  .tiers-layout,.faq-layout{gap:40px;}
  .cta-grid{grid-template-columns:1fr 420px;gap:40px;}
}
@media (max-width:991.98px){
  .sidebar{transform:translateX(-100%);}
  .sidebar.open{transform:translateX(0);box-shadow:0 0 44px rgba(16,37,31,.4);}
  .content{margin-left:0;padding-top:64px;}
  .topbar{display:flex;}
  .hero::after{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:34px;padding:56px 0 56px;}
  .hero-lead{max-width:none;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);gap:22px 0;padding:28px 0;}
  .metric{padding:0 20px;}
  .metric:nth-child(3){border-left:0;padding-left:0;}
  .section{padding:62px 0;}
  .tiers-layout,.faq-layout{grid-template-columns:1fr;gap:32px;}
  .tiers-aside,.faq-aside{position:static;}
  .cta-grid{grid-template-columns:1fr;gap:34px;padding:62px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .table-hint{display:block;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .hero h1{font-size:clamp(1.9rem,7vw,2.6rem);}
  .hero-lead{font-size:15.5px;}
  .section-title{font-size:clamp(1.5rem,5.2vw,2rem);}
  .news-grid,.preview-grid{grid-template-columns:1fr;}
  .tier-row{grid-template-columns:64px 1fr;gap:18px;}
  .tier-num{font-size:34px;}
  .metric-value{font-size:30px;}
  .cta-band h2{font-size:clamp(1.5rem,5.4vw,2rem);}
  .lead-form{padding:24px 20px 20px;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .hero-actions .btn-pine,.hero-actions .btn-outline{flex:1 1 100%;}
}
@media (max-width:575.98px){
  .container{padding:0 16px;}
  .btn-pine,.btn-outline{width:100%;}
  .compare-actions .btn-pine,.compare-actions .btn-outline{width:100%;}
  .preview-more .btn-pine,.preview-more .btn-outline{width:100%;}
  .metrics-grid{grid-template-columns:1fr;}
  .metric{border-left:0;padding-left:0;}
  .news-card{padding:20px 18px 18px;}
  .section{padding:52px 0;}
}

/* roulang page: article */
:root{
  --green:#183A32;
  --green-deep:#10251F;
  --sand:#D9C6A3;
  --amber:#B47A32;
  --paper:#F7F4EC;
  --mist:#E9E5DB;
  --char:#1B211D;
  --line:#D8D3C7;
  --err:#A64B3C;
  --ok:#4F6B57;
  --muted:#6B736C;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,sans-serif;
  --radius:4px;
  --shadow:0 1px 2px rgba(16,37,31,.05);
  --shadow-hover:0 8px 24px rgba(16,37,31,.08);
  --sidebar-w:244px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--char);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--green);text-decoration:none;transition:color .22s ease,border-color .22s ease;}
a:hover{color:var(--green-deep);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--sand);outline-offset:2px;border-radius:2px;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius);}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;color:var(--green-deep);letter-spacing:0;margin:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.container{width:100%;max-width:1180px;margin-inline:auto;padding-inline:28px;}

/* ---------- App Shell ---------- */
.app-shell{display:flex;min-height:100vh;}
.sidebar{
  width:var(--sidebar-w);flex:0 0 var(--sidebar-w);
  position:fixed;inset:0 auto 0 0;z-index:60;
  background:var(--green-deep);
  color:#DDE5DE;
  padding:26px 18px 24px;
  display:flex;flex-direction:column;
  overflow-y:auto;
  border-right:1px solid rgba(217,198,163,.14);
}
.sidebar-brand{display:flex;flex-direction:column;gap:4px;padding:0 6px 22px;border-bottom:1px solid rgba(247,244,236,.14);}
.sidebar-brand .brand-mark{
  font-family:var(--serif);font-size:20px;font-weight:600;color:#F7F4EC;letter-spacing:.02em;line-height:1.35;
}
.sidebar-brand .brand-sub{
  font-size:12px;color:#9FB0A6;letter-spacing:.22em;text-transform:uppercase;
}
.sidebar-label{
  font-size:11.5px;letter-spacing:.2em;color:#8C9C92;margin:24px 6px 10px;text-transform:uppercase;
}
.side-nav{display:flex;flex-direction:column;gap:3px;}
.side-link{
  display:flex;align-items:center;gap:11px;
  padding:11px 13px;font-size:14.6px;color:#C6D2CA;
  border-left:3px solid transparent;border-radius:0 3px 3px 0;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.side-link i{font-size:14px;width:17px;text-align:center;opacity:.85;}
.side-link:hover{background:rgba(247,244,236,.07);color:#F7F4EC;}
.side-link.active{
  background:rgba(217,198,163,.13);border-left-color:var(--sand);color:#F7F4EC;font-weight:600;
}
.side-link.active i{opacity:1;color:var(--sand);}
.side-cta{
  margin-top:auto;padding:18px 14px 4px;border-top:1px solid rgba(247,244,236,.14);
}
.side-cta p{font-size:12.6px;line-height:1.75;color:#9FB0A6;margin-bottom:12px;}
.side-cta .btn{width:100%;justify-content:center;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 24px;border-radius:3px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.04em;cursor:pointer;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
}
.btn i{transition:transform .22s ease;}
.btn-primary{background:var(--green);color:#F7F4EC;}
.btn-primary:hover{background:var(--green-deep);color:#F7F4EC;}
.btn-primary:hover i{transform:translateX(3px);}
.btn-outline{background:transparent;color:var(--green);border-color:var(--line);}
.btn-outline:hover{background:var(--sand);border-color:var(--sand);color:var(--green-deep);}
.btn-sand{background:var(--sand);color:var(--green-deep);}
.btn-sand:hover{background:#E4D4B5;color:var(--green-deep);}
.btn-sm{height:42px;padding:0 18px;font-size:13.6px;}
.btn[disabled],.btn:disabled{opacity:.55;cursor:not-allowed;}

/* ---------- Main wrap ---------- */
.main-wrap{margin-left:var(--sidebar-w);flex:1 1 auto;min-width:0;display:flex;flex-direction:column;}
.topbar{
  display:none;position:sticky;top:0;z-index:50;
  background:rgba(247,244,236,.96);backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  padding:0 16px;height:62px;align-items:center;gap:12px;
}
.topbar .brand-mark{font-family:var(--serif);font-size:16.5px;font-weight:600;color:var(--green-deep);}
.topbar-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#FFFDF8;border-radius:3px;color:var(--green);
  cursor:pointer;transition:background .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:var(--mist);border-color:var(--sand);}
.sidebar-scrim{
  display:none;position:fixed;inset:0;background:rgba(16,37,31,.45);z-index:55;
}
.sidebar-scrim.show{display:block;}

/* ---------- Reading progress ---------- */
.progress-track{height:2px;background:var(--mist);position:relative;overflow:hidden;}
.progress-bar-fill{height:100%;width:0;background:var(--amber);transition:width .12s linear;}

/* ---------- Breadcrumb ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:12.6px;color:var(--muted);padding:26px 0 0;
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--green);text-decoration:underline;text-underline-offset:3px;}
.crumbs .sep{color:#BDB8AB;}
.crumbs .current{color:var(--char);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- Article layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:44px;
  padding:22px 0 84px;align-items:start;
}
.article-main{min-width:0;max-width:820px;}
.article-head{border-bottom:1px solid var(--line);padding-bottom:26px;margin-bottom:34px;}
.badge-cat{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;letter-spacing:.14em;color:var(--amber);
  border:1px solid rgba(180,122,50,.35);background:rgba(217,198,163,.22);
  padding:5px 11px;border-radius:2px;text-transform:uppercase;margin-bottom:18px;
}
.article-head h1{
  font-size:clamp(28px,3.4vw,40px);line-height:1.28;margin-bottom:18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  font-size:13px;color:var(--muted);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--ok);font-size:12px;}

/* ---------- Article body ---------- */
.article-body{font-size:17px;line-height:1.9;color:#22271F;}
.article-body > * + *{margin-top:20px;}
.article-body h2{
  font-size:clamp(24px,2.4vw,29px);line-height:1.4;margin-top:44px;padding-top:26px;
  border-top:1px solid var(--line);scroll-margin-top:90px;
}
.article-body h3{
  font-size:21px;line-height:1.5;margin-top:32px;scroll-margin-top:90px;
}
.article-body h4{font-size:18px;margin-top:26px;}
.article-body p{line-height:1.92;}
.article-body a{color:var(--green);border-bottom:1px solid rgba(24,58,50,.35);}
.article-body a:hover{border-bottom-color:var(--green);}
.article-body ul,.article-body ol{padding-left:22px;list-style:revert;}
.article-body li{margin:8px 0;line-height:1.82;}
.article-body blockquote{
  margin:28px 0;padding:16px 22px;background:#FFFDF7;
  border-left:3px solid var(--sand);color:#3B443C;font-size:16.4px;
}
.article-body blockquote p{margin:0;}
.article-body img{border-radius:4px;margin:26px 0;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:12.8px;color:var(--muted);margin-top:8px;text-align:center;}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:14.8px;}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top;
}
.article-body th{background:var(--mist);font-weight:600;color:var(--green-deep);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0;}
.article-body code{
  background:var(--mist);padding:2px 6px;border-radius:2px;font-size:14.5px;
}

/* ---------- Empty state ---------- */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius);
  padding:52px 28px;text-align:center;background:#FFFDF8;
}
.empty-state i{font-size:26px;color:var(--ok);margin-bottom:14px;display:block;}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{font-size:14.6px;color:var(--muted);margin-bottom:22px;}

/* ---------- Article footer nav ---------- */
.article-end{
  margin-top:52px;padding-top:30px;border-top:1px solid var(--line);
}
.article-end h2{font-size:21px;margin-bottom:6px;}
.article-end .sub{font-size:13.6px;color:var(--muted);margin-bottom:22px;}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.related-card{
  display:flex;flex-direction:column;
  border:1px solid var(--line);border-radius:var(--radius);background:#FFFDF8;
  overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
  box-shadow:var(--shadow);
}
.related-card:hover{border-color:var(--sand);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.related-card .thumb{aspect-ratio:16/10;overflow:hidden;}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s ease;}
.related-card:hover .thumb img{transform:scale(1.03);}
.related-card .body{padding:16px 18px 18px;}
.related-card .cat{font-size:11.5px;letter-spacing:.12em;color:var(--amber);text-transform:uppercase;}
.related-card h3{font-size:18px;line-height:1.5;margin:8px 0 6px;transition:color .2s ease;}
.related-card:hover h3{color:var(--green);}
.related-card p{font-size:13.4px;color:var(--muted);line-height:1.7;}
.back-row{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- Aside ---------- */
.article-aside{position:sticky;top:26px;display:flex;flex-direction:column;gap:20px;}
.aside-card{
  border:1px solid var(--line);border-radius:var(--radius);background:#FFFDF8;
  padding:20px 20px 22px;box-shadow:var(--shadow);
}
.aside-card h3{
  font-size:14px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);
  font-family:var(--sans);font-weight:600;margin-bottom:14px;
  padding-bottom:10px;border-bottom:1px solid var(--line);
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;font-size:13.6px;line-height:1.65;color:#4A534B;
  padding:6px 0 6px 12px;border-left:2px solid transparent;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.toc-list li.toc-3 a{padding-left:26px;font-size:13px;color:#68716A;}
.toc-list a:hover{color:var(--green);border-left-color:var(--sand);background:rgba(233,229,219,.35);}
.aside-card.promo{
  background:var(--green-deep);border-color:var(--green-deep);color:#DDE5DE;
}
.aside-card.promo h3{color:var(--sand);border-bottom-color:rgba(247,244,236,.18);}
.aside-card.promo p{font-size:13.6px;line-height:1.8;color:#B9C6BE;margin-bottom:16px;}
.aside-card.promo .btn{width:100%;justify-content:center;}
.aside-links{display:flex;flex-direction:column;gap:12px;}
.aside-links a{
  display:flex;gap:10px;align-items:flex-start;font-size:13.8px;line-height:1.6;color:#39423B;
}
.aside-links a i{color:var(--amber);font-size:11px;margin-top:6px;}
.aside-links a:hover{color:var(--green);}

/* ---------- Footer ---------- */
.site-footer{background:var(--green-deep);color:#D6DFD8;padding:64px 0 0;margin-top:auto;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:44px;}
.footer-brand .brand-mark{
  font-family:var(--serif);font-size:20px;color:#F7F4EC;display:block;margin-bottom:12px;letter-spacing:.02em;
}
.footer-brand p{font-size:13.6px;line-height:1.9;color:#9FB0A6;max-width:330px;}
.footer-col h4{
  font-family:var(--sans);font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--sand);margin-bottom:16px;font-weight:600;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:13.8px;color:#C6D2CA;}
.footer-col a:hover{color:var(--sand);}
.footer-contact li{font-size:13.4px;color:#C6D2CA;display:flex;gap:8px;flex-wrap:wrap;}
.footer-contact li span{color:#8C9C92;min-width:56px;}
.footer-bottom{
  border-top:1px solid rgba(247,244,236,.14);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12.6px;color:#8C9C92;
}
.footer-bottom a{color:#B9C6BE;}
.footer-bottom a:hover{color:var(--sand);}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  :root{--sidebar-w:220px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 258px;gap:32px;}
}
@media (max-width:991px){
  .sidebar{
    transform:translateX(-100%);transition:transform .28s ease;width:268px;flex-basis:268px;
    box-shadow:0 0 40px rgba(16,37,31,.3);
  }
  .sidebar.open{transform:translateX(0);}
  .main-wrap{margin-left:0;}
  .topbar{display:flex;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:34px;padding-bottom:64px;}
  .article-main{max-width:none;}
  .article-aside{position:static;order:2;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .footer-brand{grid-column:1/-1;}
}
@media (max-width:767px){
  body{font-size:15.6px;}
  .container{padding-inline:18px;}
  .article-body{font-size:15.8px;line-height:1.86;}
  .article-body h2{font-size:23px;margin-top:34px;padding-top:20px;}
  .article-body h3{font-size:19px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .related-grid{grid-template-columns:1fr;}
  .article-head h1{font-size:26px;}
  .crumbs{padding-top:18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn{height:46px;font-size:14.4px;padding:0 18px;}
}
@media (max-width:575px){
  .back-row .btn{width:100%;}
  .article-meta{gap:12px;font-size:12.4px;}
  .topbar{height:58px;}
  .topbar .brand-mark{font-size:15px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
}

/* roulang page: category1 */
:root{
  --pine:#183A32;
  --pine-deep:#10251F;
  --sand:#D9C6A3;
  --amber:#B47A32;
  --paper:#F7F4EC;
  --mist:#E9E5DB;
  --charcoal:#1B211D;
  --ink:#222925;
  --muted:#6B736C;
  --line:#D8D3C7;
  --danger:#A64B3C;
  --ok:#4F6B57;
  --white:#FFFFFF;
  --radius-s:3px;
  --radius:5px;
  --shadow-sm:0 1px 2px rgba(16,37,31,.05);
  --shadow-md:0 8px 24px rgba(16,37,31,.08);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --nav-w:240px;
  --sec-pad:84px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.9;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--pine);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--pine-deep);text-decoration:underline;text-underline-offset:3px}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;color:var(--pine-deep);margin:0;letter-spacing:.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--sand);outline-offset:2px;border-radius:2px}
.container{width:100%;max-width:1120px;margin:0 auto;padding:0 28px}
::selection{background:var(--sand);color:var(--pine-deep)}

/* ---------- 左侧导航 ---------- */
.side-shell{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--nav-w);
  background:var(--pine-deep);
  display:flex;
  flex-direction:column;
  padding:30px 18px 24px;
  z-index:1040;
  overflow-y:auto;
  border-right:1px solid rgba(247,244,236,.08);
}
.side-brand{
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:0 8px 22px;
  margin-bottom:18px;
  border-bottom:1px solid rgba(247,244,236,.14);
}
.brand-mark{
  font-family:var(--serif);
  font-size:20px;
  font-weight:600;
  color:var(--paper);
  letter-spacing:.04em;
  line-height:1.3;
}
.brand-sub{
  font-size:12px;
  letter-spacing:.16em;
  color:rgba(247,244,236,.5);
}
.side-nav{display:flex;flex-direction:column;gap:4px}
.side-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  padding:11px 14px;
  border-radius:var(--radius-s);
  font-size:15px;
  color:rgba(247,244,236,.76);
  transition:background .2s ease,color .2s ease;
}
.side-link i{width:18px;text-align:center;font-size:14px;opacity:.85}
.side-link::before{
  content:"";
  position:absolute;
  left:0;top:9px;bottom:9px;
  width:3px;
  border-radius:2px;
  background:transparent;
  transition:background .2s ease;
}
.side-link:hover{background:rgba(247,244,236,.07);color:#fff;text-decoration:none}
.side-link.active{background:rgba(217,198,163,.14);color:#fff}
.side-link.active::before{background:var(--sand)}
.side-foot{margin-top:auto;padding-top:26px}
.side-cta{
  display:flex;
  align-items:center;
  justify-content:center;
  width:100%;
  height:44px;
  border-radius:var(--radius-s);
  background:var(--sand);
  color:var(--pine-deep);
  font-size:14.5px;
  font-weight:600;
  transition:background .2s ease,transform .2s ease;
}
.side-cta:hover{background:#E5D5B8;color:var(--pine-deep);text-decoration:none;transform:translateY(-1px)}
.side-note{
  margin-top:14px;
  font-size:12px;
  line-height:1.7;
  color:rgba(247,244,236,.45);
}

/* ---------- 移动端顶部栏 ---------- */
.topbar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:64px;
  padding:0 16px;
  align-items:center;
  justify-content:space-between;
  background:var(--pine-deep);
  border-bottom:1px solid rgba(247,244,236,.12);
  z-index:1030;
}
.topbar-brand{
  font-family:var(--serif);
  font-size:18px;
  color:var(--paper);
  font-weight:600;
}
.topbar-brand:hover{color:var(--paper);text-decoration:none}
.topbar-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{
  width:42px;height:42px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(247,244,236,.08);
  border:1px solid rgba(247,244,236,.18);
  border-radius:var(--radius-s);
  color:var(--paper);
  font-size:16px;
  cursor:pointer;
}
.menu-toggle:hover{background:rgba(247,244,236,.16)}
.side-scrim{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(16,37,31,.5);
  z-index:1035;
}
.side-scrim.show{display:block}

/* ---------- 主内容区 ---------- */
.app-main{margin-left:var(--nav-w);min-height:100vh}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  color:var(--muted);
  padding:26px 0 0;
}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--pine);text-decoration:underline}
.crumbs span.sep{color:#B7B2A6}
.crumbs .current{color:var(--pine-deep);font-weight:600}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:30px 0 var(--sec-pad);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  opacity:.07;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:56px;
  align-items:start;
  margin-top:26px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12.5px;
  letter-spacing:.18em;
  color:var(--amber);
  font-weight:600;
  margin-bottom:20px;
}
.eyebrow::before{
  content:"";
  width:26px;height:1px;
  background:var(--amber);
}
.hero-copy h1{
  font-size:clamp(34px,3.6vw,50px);
  line-height:1.16;
  margin-bottom:22px;
}
.hero-lead{
  font-size:17px;
  line-height:1.9;
  color:#3C4640;
  max-width:620px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin:30px 0 26px;
}
.hero-points{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px 22px;
  margin-top:6px;
}
.hero-points li{
  position:relative;
  padding-left:20px;
  font-size:14.5px;
  color:#4A544D;
}
.hero-points li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:8px;height:8px;
  border:1px solid var(--amber);
  border-radius:1px;
  transform:rotate(45deg);
}
.hero-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.hero-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.hero-card-body{padding:22px 24px 24px}
.hero-card-body h2{
  font-size:17px;
  font-family:var(--sans);
  font-weight:600;
  letter-spacing:.02em;
  margin-bottom:16px;
  color:var(--pine-deep);
}
.metric-row{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
  border-top:1px solid var(--line);
  padding-top:16px;
}
.metric-item .num{
  font-family:var(--serif);
  font-size:26px;
  line-height:1.2;
  color:var(--pine);
  font-variant-numeric:tabular-nums;
}
.metric-item .num small{font-size:13px;font-family:var(--sans);color:var(--muted);margin-left:3px}
.metric-item .label{
  display:block;
  font-size:12px;
  color:var(--muted);
  letter-spacing:.04em;
}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-s);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn:hover{text-decoration:none}
.btn i{transition:transform .2s ease}
.btn-primary{background:var(--pine);color:var(--paper);border-color:var(--pine)}
.btn-primary:hover{background:var(--pine-deep);color:var(--paper);border-color:var(--pine-deep);box-shadow:var(--shadow-md)}
.btn-primary:hover i{transform:translateX(3px)}
.btn-ghost{background:transparent;color:var(--pine);border-color:rgba(24,58,50,.35)}
.btn-ghost:hover{background:rgba(217,198,163,.4);color:var(--pine-deep);border-color:var(--pine)}
.btn-amber{background:var(--amber);color:#fff;border-color:var(--amber)}
.btn-amber:hover{background:#9D6A28;color:#fff;border-color:#9D6A28;box-shadow:var(--shadow-md)}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.55;cursor:not-allowed}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sec-pad) 0}
.section.alt{background:var(--mist)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head .eyebrow{margin-bottom:14px}
.section-head h2{
  font-size:clamp(26px,2.6vw,36px);
  line-height:1.3;
  margin-bottom:14px;
}
.section-head p{
  font-size:16px;
  color:#4A544D;
  line-height:1.9;
}

/* ---------- 权益矩阵 ---------- */
.benefit-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
}
.benefit-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px 30px 26px;
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.benefit-card:hover{
  border-color:rgba(24,58,50,.32);
  box-shadow:var(--shadow-md);
  transform:translateY(-2px);
}
.benefit-card .icon-box{
  width:46px;height:46px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--radius-s);
  background:rgba(217,198,163,.34);
  color:var(--pine);
  font-size:17px;
  margin-bottom:18px;
}
.benefit-card h3{
  font-size:22px;
  line-height:1.4;
  margin-bottom:8px;
}
.benefit-card .card-desc{
  font-size:14.5px;
  color:var(--muted);
  line-height:1.8;
  margin-bottom:16px;
}
.check-list li{
  position:relative;
  padding-left:22px;
  font-size:14.5px;
  line-height:1.85;
  color:#3E4842;
}
.check-list li+li{margin-top:6px}
.check-list li::before{
  content:"";
  position:absolute;
  left:2px;top:.68em;
  width:9px;height:5px;
  border-left:1.5px solid var(--ok);
  border-bottom:1.5px solid var(--ok);
  transform:rotate(-45deg);
}

/* ---------- 对比表 ---------- */
.compare-tips{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:16px;
}
.scroll-hint{
  display:none;
  align-items:center;
  gap:7px;
  font-size:12.5px;
  color:var(--muted);
}
.compare-wrap{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--white);
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
}
table.compare{
  width:100%;
  min-width:680px;
  border-collapse:collapse;
  font-size:15px;
}
table.compare th,
table.compare td{
  padding:16px 20px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:middle;
}
table.compare thead th{
  background:var(--pine-deep);
  color:var(--paper);
  font-family:var(--sans);
  font-size:14px;
  font-weight:600;
  letter-spacing:.04em;
  border-bottom:none;
}
table.compare thead th:first-child{
  border-top-left-radius:var(--radius);
}
table.compare thead th:last-child{
  border-top-right-radius:var(--radius);
}
table.compare thead th.recommend{
  background:var(--amber);
  color:#fff;
}
table.compare thead th.recommend .badge-mini{
  display:inline-block;
  margin-left:8px;
  padding:1px 7px;
  font-size:11px;
  border-radius:2px;
  background:rgba(255,255,255,.22);
  letter-spacing:.06em;
}
table.compare tbody th{
  font-family:var(--sans);
  font-weight:600;
  color:var(--pine-deep);
  background:#FCFAF4;
  width:150px;
  white-space:nowrap;
}
table.compare td.cell-recommend{
  background:rgba(217,198,163,.22);
  color:#2C3A33;
  font-weight:500;
}
table.compare tbody tr:last-child th,
table.compare tbody tr:last-child td{border-bottom:none}
table.compare tbody tr:hover td{background:#FBF8F1}
table.compare tbody tr:hover td.cell-recommend{background:rgba(217,198,163,.34)}
.compare-foot{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:18px;
  margin-top:26px;
}
.compare-foot .note{
  font-size:13px;
  color:var(--muted);
}

/* ---------- 流程 ---------- */
.flow{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:0;
  margin-top:10px;
  border-top:1px solid var(--line);
}
.flow-item{
  position:relative;
  padding:34px 30px 10px 26px;
  border-right:1px solid var(--line);
}
.flow-item:last-child{border-right:none}
.flow-item .step-num{
  font-family:var(--serif);
  font-size:44px;
  line-height:1;
  color:rgba(24,58,50,.18);
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.flow-item h3{
  font-size:20px;
  margin-bottom:10px;
}
.flow-item p{
  font-size:14.5px;
  color:#4A544D;
  line-height:1.85;
}

/* ---------- FAQ ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:.72fr 1.28fr;
  gap:56px;
  align-items:start;
}
.faq-layout .section-head{margin-bottom:0}
.faq-aside-note{
  margin-top:22px;
  padding:18px 20px;
  border-left:3px solid var(--sand);
  background:var(--mist);
  font-size:13.5px;
  line-height:1.8;
  color:#4A544D;
}
.faq-acc .accordion-item{
  background:transparent;
  border:none;
  border-top:1px solid var(--line);
}
.faq-acc .accordion-item:last-child{border-bottom:1px solid var(--line)}
.faq-acc .accordion-header{margin:0}
.faq-acc .accordion-button{
  background:transparent;
  border:none;
  box-shadow:none;
  padding:22px 8px 22px 0;
  font-family:var(--serif);
  font-size:17.5px;
  font-weight:600;
  color:var(--pine-deep);
  line-height:1.6;
  border-radius:0;
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--pine);
  background:transparent;
  box-shadow:none;
}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--sand);outline-offset:-2px}
.faq-acc .accordion-button::after{
  content:"+";
  width:auto;height:auto;
  background-image:none;
  font-size:22px;
  font-weight:400;
  line-height:1;
  color:var(--pine);
  transform:none;
  transition:transform .25s ease;
  margin-left:18px;
}
.faq-acc .accordion-button:not(.collapsed)::after{
  content:"−";
  transform:rotate(180deg);
}
.faq-acc .accordion-body{
  padding:0 44px 26px 0;
  font-size:15px;
  line-height:1.9;
  color:#41504A;
  max-width:780px;
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--pine-deep);
  color:rgba(247,244,236,.86);
  padding:var(--sec-pad) 0;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:340px;height:340px;
  border:1px solid rgba(217,198,163,.18);
  border-radius:50%;
  pointer-events:none;
}
.cta-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1fr 420px;
  gap:64px;
  align-items:start;
}
.cta-copy h2{
  color:var(--paper);
  font-size:clamp(26px,2.8vw,38px);
  line-height:1.3;
  margin-bottom:16px;
}
.cta-copy p{
  font-size:15.5px;
  line-height:1.9;
  color:rgba(247,244,236,.75);
  max-width:520px;
}
.cta-list{
  margin-top:24px;
  display:grid;
  gap:10px;
}
.cta-list li{
  position:relative;
  padding-left:22px;
  font-size:14.5px;
  color:rgba(247,244,236,.82);
}
.cta-list li::before{
  content:"";
  position:absolute;
  left:2px;top:.7em;
  width:9px;height:5px;
  border-left:1.5px solid var(--sand);
  border-bottom:1.5px solid var(--sand);
  transform:rotate(-45deg);
}
.cta-form{
  background:var(--paper);
  border-radius:var(--radius);
  padding:30px 30px 26px;
  box-shadow:0 18px 40px rgba(0,0,0,.18);
}
.cta-form h3{
  font-size:19px;
  font-family:var(--sans);
  font-weight:600;
  margin-bottom:6px;
  color:var(--pine-deep);
}
.cta-form .form-hint{
  font-size:13px;
  color:var(--muted);
  margin-bottom:20px;
  line-height:1.7;
}
.field{margin-bottom:16px}
.field label{
  display:block;
  font-size:13.5px;
  font-weight:600;
  color:var(--pine-deep);
  margin-bottom:7px;
}
.field input{
  width:100%;
  height:48px;
  padding:0 14px;
  font-size:15px;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-s);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:#A9A398}
.field input:focus{
  outline:none;
  border-color:var(--pine);
  box-shadow:0 0 0 3px rgba(217,198,163,.55);
}
.field-row{
  display:grid;
  grid-template-columns:1fr 108px;
  gap:12px;
}
.code-btn{
  height:48px;
  border:1px solid rgba(24,58,50,.3);
  background:transparent;
  color:var(--pine);
  border-radius:var(--radius-s);
  font-size:13.5px;
  font-weight:600;
  cursor:pointer;
  transition:background .2s ease;
}
.code-btn:hover{background:rgba(217,198,163,.4)}
.agree{
  display:flex;
  align-items:flex-start;
  gap:9px;
  font-size:12.5px;
  color:var(--muted);
  line-height:1.7;
  margin:6px 0 18px;
}
.agree input{margin-top:3px;width:15px;height:15px;accent-color:var(--pine)}
.cta-form .btn{width:100%}
.form-privacy{
  margin-top:14px;
  font-size:11.5px;
  color:#8D8A80;
  line-height:1.7;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--pine-deep);
  color:rgba(247,244,236,.72);
  padding:68px 0 0;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.1fr;
  gap:48px;
  padding-bottom:52px;
  border-bottom:1px solid rgba(247,244,236,.14);
}
.footer-brand .brand-mark{display:block;margin-bottom:16px;font-size:21px}
.footer-brand p{
  font-size:13.5px;
  line-height:1.9;
  color:rgba(247,244,236,.6);
  max-width:320px;
}
.footer-col h4{
  font-family:var(--sans);
  font-size:13.5px;
  font-weight:600;
  letter-spacing:.1em;
  color:var(--paper);
  margin-bottom:18px;
}
.footer-col ul{display:grid;gap:11px}
.footer-col a{
  color:rgba(247,244,236,.66);
  font-size:13.5px;
}
.footer-col a:hover{color:var(--sand);text-decoration:none}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:13.5px;
  color:rgba(247,244,236,.66);
}
.footer-contact li span{
  color:rgba(247,244,236,.42);
  min-width:56px;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:22px 0 26px;
  font-size:12.5px;
  color:rgba(247,244,236,.45);
}
.footer-bottom a{color:rgba(247,244,236,.6)}
.footer-bottom a:hover{color:var(--sand);text-decoration:none}

/* ---------- 动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .5s ease,transform .5s ease;
}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--nav-w:220px;--sec-pad:72px}
  .container{padding:0 24px}
  .hero-grid{gap:40px}
  .faq-layout{gap:40px}
  .cta-grid{gap:44px;grid-template-columns:1fr 380px}
}
@media (max-width:991px){
  :root{--sec-pad:62px}
  .topbar{display:flex}
  .app-main{margin-left:0;padding-top:64px}
  .side-shell{
    transform:translateX(-100%);
    transition:transform .3s ease;
    width:262px;
    box-shadow:0 0 40px rgba(0,0,0,.35);
  }
  .side-shell.is-open{transform:translateX(0)}
  .crumbs{padding-top:20px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-copy h1{font-size:clamp(30px,5vw,42px)}
  .hero-lead{font-size:16px}
  .benefit-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr;border-top:none}
  .flow-item{
    border-right:none;
    border-top:1px solid var(--line);
    padding:26px 0 6px;
  }
  .flow-item .step-num{font-size:36px;margin-bottom:10px}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .scroll-hint{display:inline-flex}
}
@media (max-width:767px){
  body{font-size:15.5px}
  :root{--sec-pad:52px}
  .container{padding:0 18px}
  .section-head{margin-bottom:30px}
  .section-head h2{font-size:26px}
  .hero-copy h1{font-size:clamp(28px,7.4vw,36px)}
  .hero-points{grid-template-columns:1fr}
  .hero-card-body{padding:18px 18px 20px}
  .metric-row{gap:8px}
  .metric-item .num{font-size:22px}
  .benefit-card{padding:24px 22px 22px}
  .benefit-card h3{font-size:20px}
  table.compare th,table.compare td{padding:13px 15px;font-size:14px}
  table.compare tbody th{width:120px}
  .faq-acc .accordion-button{font-size:16px;padding:18px 6px 18px 0}
  .faq-acc .accordion-body{padding:0 24px 22px 0;font-size:14.5px}
  .cta-form{padding:24px 20px 22px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:575px){
  .hero-actions .btn{width:100%}
  .field-row{grid-template-columns:1fr 96px}
  .compare-foot .btn{width:100%}
  .site-footer{padding-top:48px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --ink:#183A32;
  --ink-deep:#10251F;
  --sand:#D9C6A3;
  --amber:#B47A32;
  --paper:#F7F4EC;
  --mist:#E9E5DB;
  --charcoal:#1B211D;
  --line:#D8D3C7;
  --danger:#A64B3C;
  --ok:#4F6B57;
  --card-white:#FFFDF8;
  --radius-card:5px;
  --radius-btn:3px;
  --shadow-hover:0 8px 24px rgba(16,37,31,.08);
  --sidebar-w:244px;
  --serif:'Noto Serif SC','Source Han Serif SC','Songti SC','SimSun',serif;
  --sans:'PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.9;
  color:var(--charcoal);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,h5{font-family:var(--serif);font-weight:600;color:var(--ink);margin:0;letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--ink);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--ink-deep);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
img{max-width:100%;display:block}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--sand);outline-offset:3px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 28px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 18px;z-index:9999}
.skip-link:focus{left:12px;top:12px}

/* ===== 侧边栏 ===== */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--ink-deep);
  color:#E8E2D3;
  display:flex;flex-direction:column;
  padding:26px 18px 22px;
  z-index:1040;
  transition:transform .3s ease;
  border-right:1px solid rgba(217,198,163,.14);
}
.brand{padding:0 6px 22px;border-bottom:1px solid rgba(217,198,163,.18)}
.brand-logo{display:block;text-decoration:none}
.brand-logo:hover{text-decoration:none}
.brand-name{
  display:block;font-family:var(--serif);font-size:21px;line-height:1.3UC;
  line-height:1.3;color:#FBF7EC;font-weight:600;letter-spacing:.01em;
}
.brand-sub{display:block;margin-top:6px;font-size:12px;letter-spacing:.16em;color:var(--sand)}
.side-nav{flex:1;overflow-y:auto;padding:22px 0 12px;display:flex;flex-direction:column;gap:4px}
.side-link{
  display:flex;align-items:center;gap:12px;
  padding:12px 14px;
  color:#DCD5C3;font-size:15px;line-height:1.5;
  border-left:3px solid transparent;
  border-radius:3px;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.side-link i{width:18px;font-size:14px;text-align:center;color:rgba(217,198,163,.75);transition:color .2s ease}
.side-link:hover{background:rgba(255,255,255,.06);color:#fff;text-decoration:none}
.side-link:hover i{color:var(--sand)}
.side-link.active{
  background:rgba(217,198,163,.14);
  border-left-color:var(--sand);
  color:#fff;font-weight:600;
}
.side-link.active i{color:var(--sand)}
.side-foot{padding-top:18px;border-top:1px solid rgba(217,198,163,.18)}
.side-cta{
  display:flex;align-items:center;justify-content:center;
  height:46px;background:var(--sand);color:var(--ink-deep);
  border-radius:var(--radius-btn);font-size:15px;font-weight:600;
  transition:background .2s ease,transform .2s ease;
}
.side-cta:hover{background:#E6D6B7;color:var(--ink-deep);text-decoration:none}
.side-cta:active{transform:translateY(1px)}
.side-note{margin-top:12px;font-size:12px;line-height:1.7;color:rgba(232,226,211,.62)}

/* ===== 移动端顶栏 ===== */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:1050;
  background:var(--ink-deep);color:#FBF7EC;
  align-items:center;justify-content:space-between;gap:12px;
  padding:0 16px;border-bottom:1px solid rgba(217,198,163,.2);
}
.menu-btn{
  width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);border:1px solid rgba(217,198,163,.28);
  color:#FBF7EC;border-radius:3px;font-size:16px;
}
.menu-btn:hover{background:rgba(255,255,255,.12)}
.brand-mobile{font-family:var(--serif);font-size:17px;color:#FBF7EC;font-weight:600}
.brand-mobile:hover{color:#fff;text-decoration:none}
.mini-cta{height:36px;padding:0 14px;display:inline-flex;align-items:center;background:var(--sand);color:var(--ink-deep);border-radius:3px;font-size:13.5px;font-weight:600}
.mini-cta:hover{background:#E6D6B7;color:var(--ink-deep);text-decoration:none}
.drawer-backdrop{
  display:none;position:fixed;inset:0;background:rgba(16,37,31,.5);z-index:1035;
}
.drawer-backdrop.show{display:block}

/* ===== 主内容 ===== */
.site-main{margin-left:var(--sidebar-w);min-height:100vh}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:12.5px;color:#7A8078;padding:22px 0 0;
}
.crumb a{color:#5C665E}
.crumb a:hover{color:var(--ink)}
.crumb .sep{color:#B9B6AA}
.crumb .current{color:var(--ink);font-weight:600}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:34px 0 72px}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.11;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:start}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.2em;color:var(--amber);
  padding:0 0 12px;font-weight:600;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--amber);display:block}
.hero h1{
  font-size:clamp(38px,4.2vw,60px);
  line-height:1.14;
  letter-spacing:.005em;
  margin:0 0 20px;
}
.hero-lead{font-size:17px;line-height:1.95;color:#3E4741;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:50px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:600;line-height:1;
  transition:background .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.btn-main{background:var(--ink);color:var(--paper);border:1px solid var(--ink)}
.btn-main:hover{background:var(--ink-deep);border-color:var(--ink-deep);color:#fff;text-decoration:none}
.btn-main i{transition:transform .22s ease}
.btn-main:hover i{transform:translateX(4px)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid rgba(24,58,50,.45)}
.btn-ghost:hover{background:rgba(217,198,163,.35);border-color:var(--ink);color:var(--ink-deep);text-decoration:none}
.hero-note{margin-top:18px;font-size:13px;color:#6E766E;line-height:1.8}

.level-brief{
  background:var(--card-white);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 26px 20px;
  box-shadow:0 1px 0 rgba(16,37,31,.04);
}
.level-brief h2{font-size:19px;margin-bottom:4px}
.level-brief .brief-sub{font-size:13px;color:#75807A;margin-bottom:16px}
.brief-row{
  display:flex;align-items:baseline;gap:14px;
  padding:13px 0;border-top:1px solid var(--line);
}
.brief-row:first-of-type{border-top:1px solid var(--line)}
.brief-num{
  font-family:var(--serif);font-size:20px;color:var(--amber);
  min-width:34px;font-weight:600;
}
.brief-text{font-size:14.5px;line-height:1.7;color:#3E4741}
.brief-text strong{color:var(--ink);display:block;font-size:15.5px;margin-bottom:2px;font-weight:600}

/* ===== 通用区块 ===== */
.block{padding:76px 0;border-bottom:1px solid var(--line)}
.block:last-of-type{border-bottom:0}
.block-head{max-width:720px;margin-bottom:40px}
.block-head h2{font-size:clamp(27px,3vw,38px);line-height:1.25;margin-bottom:14px}
.block-head p{font-size:16px;color:#4A5450;line-height:1.9}

/* ===== 等级阶梯 ===== */
.ladder{border-top:1px solid var(--line)}
.ladder-item{
  display:grid;grid-template-columns:104px 1fr 220px;gap:32px;
  padding:30px 10px;border-bottom:1px solid var(--line);
  align-items:start;transition:background .25s ease;
}
.ladder-item:hover{background:rgba(217,198,163,.16)}
.ladder-num{
  font-family:var(--serif);font-size:46px;line-height:1;font-weight:600;
  color:#E3D5B8;-webkit-text-stroke:1px #C6AF83;
}
.ladder-title{font-size:23px;margin-bottom:8px}
.ladder-desc{font-size:15.5px;color:#48524C;line-height:1.9}
.ladder-cond{font-size:14px;color:#6B746E;line-height:1.85;border-left:2px solid var(--sand);padding-left:14px}
.ladder-cond strong{display:block;color:var(--amber);font-size:12.5px;letter-spacing:.14em;margin-bottom:4px}
.ladder-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:8px;
  font-size:14px;color:var(--ink);border-bottom:1px solid rgba(24,58,50,.25);padding-bottom:2px;
}
.ladder-link:hover{color:var(--ink-deep);text-decoration:none;border-bottom-color:var(--ink)}

/* ===== 对照表 ===== */
.compare-wrap{
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--card-white);overflow-x:auto;
}
.compare{width:100%;min-width:760px;border-collapse:collapse;font-size:15px}
.compare thead th{
  background:var(--mist);color:var(--ink);
  font-family:var(--serif);font-size:16px;font-weight:600;
  padding:16px 20px;text-align:left;white-space:nowrap;
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:2;
}
.compare thead th.col-hi{background:#DDCDAC;position:relative}
.compare thead th.col-hi .tag{
  display:inline-block;margin-left:8px;font-family:var(--sans);font-size:11px;
  letter-spacing:.08em;background:var(--amber);color:#FFF9EE;
  padding:1px 7px;border-radius:2px;font-weight:600;vertical-align:middle;
}
.compare tbody th{
  padding:15px 20px;text-align:left;font-weight:600;color:var(--ink);
  background:#FBF8F1;border-bottom:1px solid var(--line);white-space:nowrap;
  position:sticky;left:0;z-index:1;
}
.compare td{padding:15px 20px;border-bottom:1px solid var(--line);color:#414B45}
.compare tbody tr:last-child th,.compare tbody tr:last-child td{border-bottom:0}
.compare td.col-hi{background:rgba(217,198,163,.26);color:var(--ink-deep);font-weight:600}
.compare .yes{color:var(--ok);font-weight:600}
.compare .no{color:#9A9488}
.scroll-hint{display:none;margin-top:12px;font-size:12.5px;color:#757F77}
.table-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:28px}
.table-actions .hint{font-size:13px;color:#6E766E}

/* ===== 专属内容预览 ===== */
.content-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.content-card{
  display:flex;flex-direction:column;background:var(--card-white);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.content-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#C9BFA8}
.content-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--mist)}
.content-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.content-card:hover .content-thumb img{transform:scale(1.03)}
.lock-veil{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(180deg,rgba(16,37,31,.10),rgba(16,37,31,.42));
}
.lock-veil span{
  display:inline-flex;align-items:center;gap:7px;
  border:1px dashed rgba(247,244,236,.85);color:#FBF7EC;
  padding:7px 15px;border-radius:2px;font-size:13px;letter-spacing:.04em;
  background:rgba(16,37,31,.32);
}
.content-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.tier-badge{
  align-self:flex-start;font-size:12px;letter-spacing:.08em;
  color:#8C5C1F;background:rgba(180,122,50,.12);
  border:1px solid rgba(180,122,50,.35);
  padding:2px 9px;border-radius:2px;font-weight:600;
}
.content-body h3{font-size:20px;line-height:1.45}
.content-body p{font-size:14.5px;color:#545E57;line-height:1.85}
.content-meta{margin-top:auto;padding-top:12px;font-size:12.5px;color:#7B847D;display:flex;gap:16px;flex-wrap:wrap}
.preview-actions{margin-top:36px;display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.preview-actions .hint{font-size:13px;color:#6E766E}

/* ===== FAQ ===== */
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:56px;align-items:start}
.faq-side h2{font-size:clamp(26px,2.8vw,36px);line-height:1.3;margin-bottom:14px}
.faq-side p{font-size:15.5px;color:#4A5450;line-height:1.9}
.faq-side .faq-contact{margin-top:24px;font-size:13.5px;color:#6E766E;line-height:1.9}
.faq-accordion .accordion-item{
  background:transparent;border:0;border-top:1px solid var(--line);
}
.faq-accordion .accordion-item:last-child{border-bottom:1px solid var(--line)}
.faq-accordion .accordion-header{margin:0}
.faq-accordion .accordion-button{
  background:transparent;border:0;box-shadow:none;
  font-family:var(--serif);font-size:19px;font-weight:600;color:var(--ink);
  padding:22px 44px 22px 0;line-height:1.5;
  transition:color .2s ease;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--ink-deep);background:transparent}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:2px solid var(--sand);outline-offset:-4px}
.faq-accordion .accordion-button::after{
  content:"+";background-image:none !important;
  width:auto;height:auto;font-size:22px;line-height:1;color:var(--amber);
  transform:none;font-family:var(--sans);font-weight:400;
  position:absolute;right:6px;top:50%;margin-top:-13px;
}
.faq-accordion .accordion-button:not(.collapsed)::after{content:"−";color:var(--ink)}
.faq-accordion .accordion-body{
  padding:0 48px 24px 0;font-size:15.5px;line-height:1.9;color:#414B45;max-width:760px;
}

/* ===== CTA ===== */
.cta-block{background:var(--ink-deep);color:#EFEADD;padding:70px 0}
.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.cta-block .eyebrow{color:var(--sand)}
.cta-block .eyebrow::before{background:var(--sand)}
.cta-block h2{color:#FBF7EC;font-size:clamp(27px,3vw,38px);line-height:1.28;margin-bottom:18px}
.cta-block p{font-size:15.5px;line-height:1.95;color:rgba(239,234,221,.82)}
.cta-list{margin-top:24px;display:flex;flex-direction:column;gap:10px}
.cta-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(239,234,221,.86)}
.cta-list i{color:var(--sand);font-size:12px;margin-top:7px}
.cta-form{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(217,198,163,.28);
  border-radius:var(--radius-card);
  padding:28px 28px 24px;
}
.cta-form .field{margin-bottom:16px}
.cta-form label{display:block;font-size:13.5px;margin-bottom:7px;color:rgba(239,234,221,.9)}
.cta-form input[type=text],
.cta-form input[type=tel]{
  width:100%;height:49px;padding:0 14px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(217,198,163,.32);
  border-radius:3px;color:#FBF7EC;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.cta-form input::placeholder{color:rgba(239,234,221,.42)}
.cta-form input:focus{
  outline:none;border-color:var(--sand);background:rgba(255,255,255,.1);
  box-shadow:0 0 0 3px rgba(217,198,163,.22);
}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:rgba(239,234,221,.72);line-height:1.7}
.check-row input{margin-top:3px;accent-color:var(--amber);width:15px;height:15px;flex:none}
.cta-form .btn-main{width:100%;margin-top:18px;background:var(--sand);border-color:var(--sand);color:var(--ink-deep)}
.cta-form .btn-main:hover{background:#E9D9BA;border-color:#E9D9BA;color:var(--ink-deep)}
.form-foot{margin-top:12px;font-size:12px;color:rgba(239,234,221,.55);line-height:1.7}
.form-msg{margin-top:12px;font-size:13.5px;color:var(--sand);min-height:20px}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:#DDD7C7;padding:62px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:44px}
.footer-brand .brand-mark{
  display:block;font-family:var(--serif);font-size:22px;color:#FBF7EC;
  font-weight:600;margin-bottom:14px;
}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(221,215,199,.72);max-width:320px}
.footer-col h4{font-size:14px;color:#FBF7EC;letter-spacing:.1em;margin-bottom:16px;font-family:var(--sans);font-weight:600}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(221,215,199,.78)}
.footer-col a:hover{color:var(--sand);text-decoration:none}
.footer-contact li{font-size:13.5px;color:rgba(221,215,199,.78);display:flex;gap:10px;flex-wrap:wrap}
.footer-contact li span{color:rgba(221,215,199,.45);min-width:56px}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(217,198,163,.18);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(221,215,199,.55);
}
.footer-bottom a{color:rgba(221,215,199,.72)}
.footer-bottom a:hover{color:var(--sand);text-decoration:none}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  :root{--sidebar-w:220px}
  .hero-inner{gap:40px}
  .ladder-item{grid-template-columns:88px 1fr 200px;gap:24px}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:36px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:991px){
  .sidebar{transform:translateX(-100%);width:280px;box-shadow:0 0 40px rgba(16,37,31,.3)}
  .sidebar.open{transform:translateX(0)}
  .mobile-bar{display:flex}
  .site-main{margin-left:0;padding-top:64px}
  .hero{padding:26px 0 56px}
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .block{padding:58px 0}
  .ladder-item{grid-template-columns:72px 1fr;gap:18px}
  .ladder-cond{grid-column:2;border-left:2px solid var(--sand);margin-top:6px}
  .faq-layout{grid-template-columns:1fr;gap:30px}
  .cta-inner{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  body{font-size:15.5px;line-height:1.88}
  .container{padding:0 18px}
  .hero h1{font-size:clamp(30px,7.6vw,40px);line-height:1.2}
  .hero-lead{font-size:15.5px}
  .block-head h2{font-size:clamp(24px,6vw,30px)}
  .block{padding:48px 0}
  .ladder-item{grid-template-columns:1fr;gap:10px;padding:24px 4px}
  .ladder-num{font-size:34px}
  .ladder-cond{grid-column:1;margin-top:4px}
  .ladder-title{font-size:20px}
  .content-grid{grid-template-columns:1fr;gap:20px}
  .scroll-hint{display:block}
  .faq-accordion .accordion-button{font-size:17px;padding:18px 40px 18px 0}
  .faq-accordion .accordion-body{padding-right:12px}
  .cta-block{padding:52px 0}
  .cta-form{padding:22px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn-main,.btn-ghost{width:100%}
  .level-brief{padding:20px 18px}
  .compare{font-size:14px}
  .footer-brand .brand-mark{font-size:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --green:#183A32;
  --green-deep:#10251F;
  --sand:#D9C6A3;
  --amber:#B47A32;
  --paper:#F7F4EC;
  --mist:#E9E5DB;
  --ink:#1B211D;
  --line:#D8D3C7;
  --err:#A64B3C;
  --ok:#4F6B57;
  --muted:#6B7168;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --radius:5px;
  --radius-sm:3px;
  --shadow:0 1px 2px rgba(16,37,31,.05);
  --shadow-hover:0 8px 24px rgba(16,37,31,.08);
  --side-w:248px;
  --sp:8px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.9;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:600;
  color:var(--green-deep);
  letter-spacing:0;
  margin:0;
}
p{margin:0;}
a{color:var(--green);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--green-deep);text-decoration:underline;text-underline-offset:3px;}
img{max-width:100%;display:block;border-radius:4px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--sand);outline-offset:3px;border-radius:2px;}

/* ---------- layout ---------- */
.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 40px;
}
.app-shell{min-height:100vh;}
.main{
  margin-left:var(--side-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
  background:var(--paper);
}
.top-rule{height:1px;background:var(--line);}

/* ---------- sidebar ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--side-w);
  background:var(--green-deep);
  color:#EFEAE0;
  display:flex;
  flex-direction:column;
  padding:28px 22px 22px;
  overflow-y:auto;
  z-index:1040;
  border-right:1px solid rgba(233,229,219,.10);
}
.side-brand{
  display:block;
  color:#F7F4EC;
  text-decoration:none;
  margin-bottom:6px;
}
.side-brand:hover{color:#fff;text-decoration:none;}
.brand-mark{
  font-family:var(--serif);
  font-size:22px;
  font-weight:600;
  letter-spacing:.5px;
  display:block;
  line-height:1.3;
}
.brand-sub{
  display:block;
  font-size:11.5px;
  letter-spacing:3px;
  color:var(--sand);
  margin-top:6px;
  opacity:.9;
}
.side-divider{
  height:1px;
  background:rgba(233,229,219,.16);
  margin:22px 0 18px;
}
.side-label{
  font-size:11px;
  letter-spacing:2px;
  color:rgba(233,229,219,.55);
  margin-bottom:12px;
}
.side-nav{display:flex;flex-direction:column;gap:4px;}
.side-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  padding:11px 12px 11px 14px;
  color:rgba(240,236,227,.82);
  font-size:14.5px;
  border-radius:var(--radius-sm);
  text-decoration:none;
  transition:background .2s ease,color .2s ease;
}
.side-link i{width:16px;font-size:13.5px;opacity:.85;}
.side-link:hover{
  background:rgba(233,229,219,.10);
  color:#F7F4EC;
  text-decoration:none;
}
.side-link.active{
  background:rgba(233,229,219,.12);
  color:#F7F4EC;
  font-weight:600;
}
.side-link.active::before{
  content:"";
  position:absolute;
  left:0;top:8px;bottom:8px;
  width:3px;
  background:var(--sand);
  border-radius:2px;
}
.side-cta{
  margin-top:22px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  background:var(--sand);
  color:var(--green-deep);
  border-radius:var(--radius-sm);
  font-size:14.5px;
  font-weight:600;
  text-decoration:none;
  transition:background .2s ease,transform .2s ease;
}
.side-cta:hover{
  background:#E6D6B6;
  color:var(--green-deep);
  text-decoration:none;
}
.side-foot{
  margin-top:auto;
  padding-top:22px;
  font-size:12px;
  line-height:1.7;
  color:rgba(233,229,219,.52);
}
.side-foot a{color:rgba(233,229,219,.72);}
.side-foot a:hover{color:var(--sand);}

/* ---------- mobile bar ---------- */
.mobile-bar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:64px;
  background:var(--green-deep);
  color:#F7F4EC;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  z-index:1050;
  border-bottom:1px solid rgba(233,229,219,.12);
}
.mobile-bar .brand-mark{font-size:17px;}
.mobile-bar .brand-sub{display:none;}
.menu-btn{
  width:42px;height:42px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(233,229,219,.10);
  border:1px solid rgba(233,229,219,.20);
  color:#F7F4EC;
  border-radius:var(--radius-sm);
  font-size:16px;
  cursor:pointer;
}
.menu-btn:hover{background:rgba(233,229,219,.18);}
.mobile-cta{
  height:38px;
  padding:0 14px;
  display:inline-flex;align-items:center;
  background:var(--sand);
  color:var(--green-deep);
  font-size:13.5px;
  font-weight:600;
  border-radius:var(--radius-sm);
  text-decoration:none;
}
.mobile-cta:hover{background:#E6D6B6;color:var(--green-deep);text-decoration:none;}
.drawer-mask{
  display:none;
  position:fixed;inset:0;
  background:rgba(16,37,31,.45);
  z-index:1035;
  opacity:0;
  transition:opacity .25s ease;
}
.drawer-mask.show{display:block;opacity:1;}
body.no-scroll{overflow:hidden;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  height:50px;
  padding:0 26px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn i{font-size:13px;transition:transform .2s ease;}
.btn:hover i{transform:translateX(3px);}
.btn-primary{
  background:var(--green);
  color:#F7F4EC;
  border-color:var(--green);
}
.btn-primary:hover{
  background:var(--green-deep);
  border-color:var(--green-deep);
  color:#F7F4EC;
  text-decoration:none;
}
.btn-ghost{
  background:transparent;
  color:var(--green);
  border-color:rgba(24,58,50,.35);
}
.btn-ghost:hover{
  background:rgba(217,198,163,.35);
  border-color:var(--green);
  color:var(--green-deep);
  text-decoration:none;
}
.btn-block{width:100%;}

/* ---------- breadcrumb ---------- */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  color:var(--muted);
  padding:26px 0 0;
}
.crumbs a{color:var(--muted);text-decoration:none;}
.crumbs a:hover{color:var(--green);text-decoration:underline;}
.crumbs span.sep{opacity:.5;}
.crumbs .current{color:var(--green-deep);font-weight:600;}

/* ---------- hero ---------- */
.page-hero{padding:34px 0 0;}
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:56px;
  align-items:start;
  padding:34px 0 76px;
  border-bottom:1px solid var(--line);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:2px;
  color:var(--amber);
  font-weight:600;
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:var(--amber);
  display:inline-block;
}
.hero-title{
  font-size:clamp(34px,4.4vw,56px);
  line-height:1.14;
  letter-spacing:-.2px;
  margin-bottom:22px;
}
.hero-sub{
  font-size:17px;
  line-height:1.9;
  color:#3A423C;
  max-width:560px;
  margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  border-top:1px solid var(--line);
  padding-top:22px;
}
.hero-meta li{
  padding:0 26px;
  border-left:1px solid var(--line);
}
.hero-meta li:first-child{padding-left:0;border-left:0;}
.hero-meta strong{
  display:block;
  font-family:var(--serif);
  font-size:24px;
  color:var(--green-deep);
  line-height:1.3;
  font-variant-numeric:tabular-nums;
}
.hero-meta span{font-size:12.5px;color:var(--muted);}

.hero-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  box-shadow:var(--shadow);
}
.hero-card-head .tag{
  display:inline-block;
  font-size:11.5px;
  letter-spacing:2px;
  color:var(--green);
  background:rgba(217,198,163,.42);
  border-radius:2px;
  padding:4px 9px;
  margin-bottom:14px;
}
.hero-card-head h2{
  font-size:22px;
  line-height:1.45;
  margin-bottom:18px;
}
.hero-figure{
  margin:0 0 18px;
  border:1px solid var(--line);
  border-radius:4px;
  overflow:hidden;
}
.hero-figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:0;
  transition:transform .5s ease;
}
.hero-card:hover .hero-figure img{transform:scale(1.03);}
.hero-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  line-height:1.75;
  color:#3A423C;
  padding:9px 0;
  border-top:1px dashed var(--line);
}
.hero-list li:first-child{border-top:0;padding-top:0;}
.hero-list i{color:var(--ok);font-size:12px;margin-top:7px;}

/* ---------- generic section ---------- */
.section{padding:78px 0;}
.section + .section{border-top:1px solid var(--line);}
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-head h2{
  font-size:clamp(26px,3vw,36px);
  line-height:1.28;
  margin-bottom:16px;
}
.sec-head p{
  font-size:16px;
  color:#4A534C;
  line-height:1.85;
}

/* ---------- steps ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  position:relative;
}
.step{
  position:relative;
  padding:0 34px 0 0;
}
.step + .step{padding-left:34px;border-left:1px solid var(--line);}
.step-num{
  font-family:var(--serif);
  font-size:40px;
  line-height:1;
  color:var(--sand);
  display:block;
  margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.step h3{
  font-size:20px;
  margin-bottom:12px;
}
.step p{
  font-size:15px;
  line-height:1.85;
  color:#4A534C;
}
.step-note{
  display:inline-block;
  margin-top:16px;
  font-size:12.5px;
  color:var(--green);
  border-bottom:1px solid rgba(217,198,163,.9);
  padding-bottom:2px;
}

/* ---------- safety grid ---------- */
.safe-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
}
.safe-item{
  background:var(--paper);
  padding:28px 30px;
  transition:background .2s ease;
}
.safe-item:hover{background:#FBF9F3;}
.safe-item i{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  color:var(--green);
  font-size:15px;
  background:#fff;
  margin-bottom:16px;
}
.safe-item h3{
  font-size:18.5px;
  margin-bottom:10px;
}
.safe-item p{
  font-size:14.5px;
  line-height:1.85;
  color:#4A534C;
}

/* ---------- FAQ ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:.72fr 1.28fr;
  gap:60px;
  align-items:start;
}
.faq-intro{position:sticky;top:40px;}
.faq-intro h2{
  font-size:clamp(26px,3vw,34px);
  line-height:1.3;
  margin-bottom:16px;
}
.faq-intro p{
  font-size:15px;
  line-height:1.85;
  color:#4A534C;
  max-width:340px;
}
.faq-hint{
  margin-top:24px;
  padding-top:20px;
  border-top:1px solid var(--line);
  font-size:13.5px;
  color:var(--muted);
  line-height:1.8;
}
.faq-hint a{font-weight:600;}
.faq .accordion-item{
  background:transparent;
  border:0;
  border-top:1px solid var(--line);
  border-radius:0;
}
.faq .accordion-item:last-of-type{border-bottom:1px solid var(--line);}
.faq .accordion-header{margin:0;}
.faq .accordion-button{
  background:transparent;
  border:0;
  border-radius:0;
  box-shadow:none;
  padding:22px 44px 22px 0;
  font-family:var(--serif);
  font-size:18.5px;
  font-weight:600;
  line-height:1.6;
  color:var(--green-deep);
  transition:color .2s ease;
}
.faq .accordion-button:hover{color:var(--green);}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--sand);outline-offset:2px;}
.faq .accordion-button:not(.collapsed){
  background:transparent;
  color:var(--green);
  box-shadow:none;
}
.faq .accordion-button::after{
  content:"+";
  background-image:none;
  font-family:var(--sans);
  font-size:22px;
  font-weight:400;
  color:var(--green);
  width:24px;height:24px;
  line-height:1;
  display:flex;align-items:center;justify-content:center;
  transform:none;
  transition:color .2s ease;
}
.faq .accordion-button:not(.collapsed)::after{
  content:"−";
  background-image:none;
  transform:none;
  color:var(--amber);
}
.faq .accordion-body{
  padding:0 44px 26px 0;
  font-size:15.5px;
  line-height:1.9;
  color:#434B45;
  max-width:760px;
}
.faq .accordion-body strong{color:var(--green-deep);}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--green-deep);
  color:#EDE8DE;
  border-radius:var(--radius);
  padding:54px 52px;
  display:grid;
  grid-template-columns:1fr .82fr;
  gap:56px;
  align-items:start;
}
.cta-band .eyebrow{color:var(--sand);}
.cta-band .eyebrow::before{background:var(--sand);}
.cta-band h2{
  color:#F7F4EC;
  font-size:clamp(26px,3vw,36px);
  line-height:1.28;
  margin-bottom:18px;
}
.cta-band p{
  font-size:15px;
  line-height:1.9;
  color:rgba(237,232,222,.78);
  max-width:440px;
}
.cta-points{
  margin-top:26px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.cta-points li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14.5px;
  color:rgba(237,232,222,.88);
}
.cta-points i{color:var(--sand);font-size:12px;margin-top:6px;}
.cta-form{
  background:rgba(247,244,236,.06);
  border:1px solid rgba(233,229,219,.22);
  border-radius:var(--radius);
  padding:28px 26px;
}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:13px;
  color:rgba(237,232,222,.82);
  margin-bottom:7px;
  letter-spacing:.5px;
}
.field input{
  width:100%;
  height:48px;
  padding:0 14px;
  font-size:14.5px;
  color:var(--ink);
  background:var(--paper);
  border:1px solid rgba(233,229,219,.35);
  border-radius:var(--radius-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:#9AA096;}
.field input:focus{
  outline:none;
  border-color:var(--sand);
  box-shadow:0 0 0 3px rgba(217,198,163,.35);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.check-row{
  display:flex;
  align-items:flex-start;
  gap:9px;
  font-size:12.5px;
  line-height:1.7;
  color:rgba(237,232,222,.72);
  margin:4px 0 18px;
}
.check-row input{
  width:15px;height:15px;margin-top:4px;accent-color:var(--sand);
  flex:0 0 auto;
}
.check-row a{color:var(--sand);text-decoration:underline;}
.btn-sand{
  background:var(--sand);
  color:var(--green-deep);
  border-color:var(--sand);
}
.btn-sand:hover{background:#E6D6B6;border-color:#E6D6B6;color:var(--green-deep);text-decoration:none;}
.form-note{
  margin-top:14px;
  font-size:12px;
  line-height:1.7;
  color:rgba(237,232,222,.55);
}
.form-feedback{
  display:none;
  margin-top:12px;
  font-size:13px;
  color:var(--sand);
}
.form-feedback.show{display:block;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:auto;
  background:var(--green-deep);
  color:#E7E2D8;
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:44px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(233,229,219,.16);
}
.footer-brand .brand-mark{
  color:#F7F4EC;
  font-size:21px;
  margin-bottom:14px;
}
.footer-brand p{
  font-size:13.5px;
  line-height:1.85;
  color:rgba(231,226,216,.66);
  max-width:300px;
}
.footer-col h4{
  color:#F2EEE5;
  font-family:var(--sans);
  font-size:13px;
  letter-spacing:1.5px;
  font-weight:600;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:13.5px;
  color:rgba(231,226,216,.72);
  text-decoration:none;
  transition:color .2s ease;
}
.footer-col a:hover{color:var(--sand);text-decoration:none;}
.footer-contact li{
  font-size:13.5px;
  color:rgba(231,226,216,.72);
  line-height:1.8;
}
.footer-contact span{
  display:block;
  font-size:11.5px;
  letter-spacing:1px;
  color:rgba(231,226,216,.42);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:22px;
  font-size:12.5px;
  color:rgba(231,226,216,.5);
}
.footer-bottom a{color:rgba(231,226,216,.7);text-decoration:none;}
.footer-bottom a:hover{color:var(--sand);}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  :root{--side-w:220px;}
  .container{padding:0 32px;}
  .hero-grid{gap:40px;}
  .faq-layout{gap:40px;}
}
@media (max-width:991px){
  .sidebar{
    transform:translateX(-100%);
    transition:transform .3s ease;
    width:270px;
    box-shadow:0 0 40px rgba(16,37,31,.3);
  }
  .sidebar.open{transform:translateX(0);}
  .mobile-bar{display:flex;}
  .main{margin-left:0;padding-top:64px;}
  .container{padding:0 24px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;padding-bottom:56px;}
  .hero-sub{max-width:none;}
  .steps{grid-template-columns:1fr;}
  .step{padding:0 0 28px 0;}
  .step + .step{padding-left:0;border-left:0;border-top:1px solid var(--line);padding-top:28px;}
  .safe-grid{grid-template-columns:1fr;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .faq-intro{position:static;}
  .faq-intro p{max-width:none;}
  .cta-band{grid-template-columns:1fr;gap:34px;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:56px 0;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .hero-title{font-size:clamp(30px,7.4vw,40px);}
  .hero-sub{font-size:15.5px;}
  .hero-meta li{padding:0 18px;}
  .hero-meta strong{font-size:20px;}
  .sec-head{margin-bottom:32px;}
  .sec-head h2{font-size:26px;}
  .faq .accordion-button{font-size:16.5px;padding-right:38px;}
  .faq .accordion-body{font-size:15px;padding-right:20px;}
  .cta-band{padding:32px 22px;border-radius:var(--radius);}
  .cta-form{padding:22px 18px;}
  .field-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding-top:48px;}
  .footer-brand p{max-width:none;}
}
@media (max-width:575px){
  .hero-actions .btn{width:100%;}
  .hero-meta{gap:14px 0;}
  .hero-meta li{padding:0 16px;}
  .hero-card{padding:20px;}
  .safe-item{padding:22px 20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}