/* roulang page: index */
:root{
  --ink-900:#101613;--ink-700:#22302B;--ink-500:#66726C;
  --brand-900:#0B2A25;--brand-800:#0E3B34;--brand-600:#1F5A4C;
  --accent-500:#F2622A;--accent-600:#D94E1B;
  --lime-400:#B9D94A;
  --bg-100:#F7F4EE;--surface:#FFFFFF;--line-200:#E3DED4;
  --ok:#2E7D5B;--warn:#B8860B;--err:#C0392B;
  --font-sans:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --shadow-sm:0 1px 2px rgba(16,22,19,.06);
  --shadow-md:0 12px 32px -14px rgba(16,22,19,.20);
  --r-card:18px;--r-img:14px;--r-input:12px;--r-pill:999px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.85;
  color:var(--ink-900);background:var(--bg-100);-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand-800);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-600);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.015em;color:var(--ink-900);line-height:1.25;}
p{margin:0;}
ul,ol,dl{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.eyebrow{display:inline-block;font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-500);font-weight:700;margin-bottom:14px;}
.eyebrow-light{color:var(--lime-400);}
h1{font-size:clamp(34px,5.2vw,60px);line-height:1.14;}
h2{font-size:clamp(26px,3.4vw,40px);line-height:1.2;}
h3{font-size:21px;line-height:1.4;}
h4{font-size:17px;line-height:1.5;}
.lead{font-size:17px;color:var(--ink-500);line-height:1.85;}
.num{font-variant-numeric:tabular-nums;}
.h2-mark{position:relative;padding-left:18px;}
.h2-mark::before{content:"";position:absolute;left:0;top:.18em;width:4px;height:22px;background:var(--accent-500);border-radius:2px;}

/* ---------- nav ---------- */
.site-header{position:sticky;top:16px;z-index:60;padding:0 18px;}
.nav-pill{
  max-width:1120px;margin:0 auto;display:flex;align-items:center;gap:18px;
  padding:10px 10px 10px 22px;border-radius:var(--r-pill);
  background:rgba(247,244,238,.84);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(14,59,52,.10);box-shadow:var(--shadow-sm);
  transition:background .24s ease,box-shadow .24s ease;
}
.site-header.is-scrolled .nav-pill{background:rgba(247,244,238,.94);box-shadow:var(--shadow-md);}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:16.5px;letter-spacing:-.015em;color:var(--brand-800);white-space:nowrap;}
.brand:hover{color:var(--brand-900);}
.brand-dot{width:8px;height:8px;border-radius:2px;background:var(--accent-500);flex:none;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-links a{position:relative;padding:9px 14px;border-radius:var(--r-pill);color:var(--brand-800);font-size:14.5px;font-weight:500;}
.nav-links a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:1.5px;background:var(--accent-500);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{font-weight:600;color:var(--brand-900);}
.nav-links a.is-active::before{content:"";position:absolute;left:4px;top:50%;width:6px;height:6px;margin-top:-3px;border-radius:50%;background:var(--accent-500);}
.nav-cta{height:44px;padding:0 22px;font-size:14.5px;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line-200);background:var(--surface);border-radius:var(--r-pill);position:relative;cursor:pointer;margin-left:auto;}
.nav-toggle span{position:absolute;left:12px;right:12px;height:2px;background:var(--brand-800);border-radius:2px;transition:transform .22s ease,opacity .22s ease;}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-drawer{display:none;max-width:1120px;margin:10px auto 0;background:var(--surface);border-radius:20px;border:1px solid var(--line-200);box-shadow:var(--shadow-md);padding:10px;overflow:hidden;}
.nav-drawer.is-open{display:block;}
.nav-drawer a{display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 18px;border-radius:14px;color:var(--ink-900);font-weight:500;}
.nav-drawer a::after{content:"→";color:var(--ink-500);font-size:15px;}
.nav-drawer a.is-active{background:rgba(242,98,42,.08);color:var(--brand-800);font-weight:600;}
.nav-drawer a:hover{background:rgba(14,59,52,.05);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand-800);color:#fff;}
.btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--brand-800);color:var(--brand-800);}
.btn-ghost:hover{background:rgba(14,59,52,.06);transform:translateY(-1px);}
.btn-white{background:#fff;color:var(--brand-800);}
.btn-white:hover{background:#fff;color:var(--accent-600);transform:translateY(-1px);}
.btn-text{height:auto;padding:0;border:none;background:none;color:var(--brand-800);font-weight:600;}
.btn-text:hover{color:var(--accent-600);}
.btn-text span{display:inline-block;transition:transform .2s ease;}
.btn-text:hover span{transform:translateX(4px);}
.btn-sm{height:44px;padding:0 20px;font-size:14px;}

/* ---------- hero ---------- */
.hero{padding:112px 0 128px;}
.hero-copy .eyebrow{margin-bottom:16px;}
.hero h1{margin-bottom:22px;}
.hero-sub{font-size:18px;line-height:1.75;color:var(--ink-500);max-width:520px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:44px;}
.stat b{display:block;font-size:30px;font-weight:800;color:var(--brand-800);line-height:1.1;font-variant-numeric:tabular-nums;}
.stat span{font-size:13.5px;color:var(--ink-500);}
.hero-media{position:relative;}
.hero-media .frame{border-radius:20px;overflow:hidden;box-shadow:var(--shadow-md);aspect-ratio:4/3;background:var(--brand-900);}
.hero-media .frame img{width:100%;height:100%;object-fit:cover;}
.hero-badge{
  position:absolute;left:-14px;bottom:26px;background:#fff;border-radius:12px;
  padding:12px 18px;box-shadow:var(--shadow-md);display:flex;align-items:center;gap:10px;
  font-size:13.5px;color:var(--ink-700);max-width:280px;
}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--lime-400);flex:none;box-shadow:0 0 0 4px rgba(185,217,74,.25);}

/* ---------- countdown ---------- */
.countdown-bar{background:var(--brand-800);color:#fff;padding:28px 0;}
.countdown-inner{display:flex;align-items:center;gap:28px;flex-wrap:wrap;}
.cd-left{min-width:200px;}
.cd-left .eyebrow{margin-bottom:4px;}
.cd-name{margin:0;font-size:19px;font-weight:700;color:#fff;letter-spacing:-.01em;}
.cd-clock{display:flex;gap:12px;margin-left:auto;}
.cd-unit{background:rgba(255,255,255,.08);border-radius:14px;padding:8px 16px;text-align:center;min-width:78px;}
.cd-unit b{display:block;font-size:34px;font-weight:800;color:var(--accent-500);line-height:1.15;font-variant-numeric:tabular-nums;}
.cd-unit span{font-size:12.5px;color:rgba(255,255,255,.7);}
.cd-unit.pulse b{animation:cdPulse .9s ease-out;}
@keyframes cdPulse{0%{opacity:.62;}100%{opacity:1;}}

/* ---------- value axis ---------- */
.value-axis{margin-top:36px;border-top:1px solid var(--line-200);}
.value-axis li{display:flex;gap:24px;padding:26px 0;border-bottom:1px solid var(--line-200);}
.v-num{font-size:36px;font-weight:800;color:var(--accent-500);line-height:1;font-variant-numeric:tabular-nums;min-width:66px;letter-spacing:-.02em;}
.value-axis h3{margin-bottom:8px;}
.value-axis p{color:var(--ink-500);font-size:15.5px;max-width:560px;}
.value-aside{align-self:flex-end;}
.value-aside .aside-card{background:var(--surface);border:1px solid var(--line-200);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-sm);margin-top:36px;}
.value-aside .aside-card img{aspect-ratio:4/3;object-fit:cover;width:100%;}
.value-aside .aside-card .ac-body{padding:20px 22px;}
.value-aside .aside-card h4{margin-bottom:6px;}
.value-aside .aside-card p{font-size:14px;color:var(--ink-500);}

/* ---------- gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(12,1fr);gap:16px;margin-top:36px;}
.g-item{position:relative;border-radius:var(--r-img);overflow:hidden;background:var(--brand-900);}
.g-large{grid-column:span 7;aspect-ratio:16/10;}
.g-stack{grid-column:span 5;display:grid;gap:16px;grid-template-rows:1fr 1fr;aspect-ratio:16/10;}
.g-stack .g-item{height:100%;}
.g-s{grid-column:span 4;aspect-ratio:4/3;}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease;}
.g-item:hover img{transform:scale(1.04);}
.g-tag{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.92);color:var(--brand-800);font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:8px;}
.g-cap{
  position:absolute;left:0;right:0;bottom:0;padding:38px 20px 18px;color:#fff;
  background:linear-gradient(to top,rgba(11,42,37,.78),rgba(11,42,37,0));
  opacity:0;transform:translateY(8px);transition:opacity .28s ease,transform .28s ease;
}
.g-item:hover .g-cap,.g-item:focus-within .g-cap{opacity:1;transform:translateY(0);}
.g-cap strong{display:block;font-size:16px;margin-bottom:2px;}
.g-cap em{font-style:normal;font-size:13px;color:rgba(255,255,255,.78);}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px;}
.step{position:relative;padding-top:34px;border-top:1px dashed var(--line-200);}
.step::before{content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;border-radius:50%;background:var(--accent-500);}
.step b{display:block;font-size:13.5px;color:var(--accent-500);font-weight:800;letter-spacing:.1em;margin-bottom:6px;}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--ink-500);}

/* ---------- news ---------- */
.section-news{background:linear-gradient(180deg,rgba(227,222,212,.28),rgba(247,244,238,0));}
.news-side{padding-right:24px;}
.news-side h2{margin-bottom:16px;}
.news-side p{color:var(--ink-500);font-size:15.5px;margin-bottom:20px;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--brand-800);}
.link-arrow::after{content:"→";transition:transform .2s ease;}
.link-arrow:hover::after{transform:translateX(4px);}
.news-list{display:flex;flex-direction:column;gap:16px;}
.news-card{
  display:block;background:var(--surface);border:1px solid var(--line-200);border-radius:var(--r-card);
  padding:22px 24px;position:relative;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--brand-600);}
.news-badge{display:inline-block;font-size:12.5px;font-weight:600;color:var(--brand-800);background:rgba(185,217,74,.28);border-radius:6px;padding:2px 10px;margin-bottom:10px;}
.news-card h3{font-size:18px;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card p{font-size:14.5px;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px;}
.news-meta{display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--ink-500);border-top:1px solid var(--line-200);padding-top:12px;}
.news-arrow{color:var(--accent-500);font-weight:700;}
.empty-state{
  background:var(--surface);border:1px solid var(--line-200);border-radius:16px;
  padding:40px 24px;text-align:center;min-height:180px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:12px;
}
.empty-state svg{width:40px;height:40px;stroke:var(--line-200);}
.empty-state p{color:var(--ink-500);font-size:15px;}

/* ---------- CTA ---------- */
.cta-panel{
  background:var(--brand-900);border-radius:32px;padding:56px 48px;position:relative;overflow:hidden;
}
.cta-panel::after{
  content:"MK";position:absolute;right:24px;top:-30px;font-size:200px;font-weight:800;
  color:#fff;opacity:.05;letter-spacing:-.05em;pointer-events:none;line-height:1;
}
.cta-copy{color:#fff;position:relative;z-index:1;padding-right:24px;}
.cta-copy h2{color:#fff;margin-bottom:20px;}
.cta-copy ul{display:flex;flex-direction:column;gap:14px;}
.cta-copy li{display:flex;gap:12px;align-items:flex-start;color:rgba(255,255,255,.82);font-size:15.5px;}
.cta-copy li::before{content:"✓";color:var(--accent-500);font-weight:800;flex:none;}
.form-card{background:#fff;border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-md);position:relative;z-index:1;}
.form-card h3{font-size:19px;margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-500);font-weight:700;margin-bottom:8px;}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line-200);border-radius:var(--r-input);
  background:#fff;color:var(--ink-900);transition:border-color .18s ease,background-color .18s ease;
  appearance:none;-webkit-appearance:none;
}
.field select{background-image:linear-gradient(45deg,transparent 50%,var(--brand-800) 50%),linear-gradient(135deg,var(--brand-800) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand-800);background:rgba(31,90,76,.04);}
.field-row{display:flex;gap:12px;}
.field-row .field{flex:1;}
.field-row .code{flex:0 0 110px;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--ink-500);margin:6px 0 18px;}
.check-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--brand-800);}
.form-card .btn{width:100%;}

/* ---------- FAQ ---------- */
.faq-wrap{margin-top:36px;}
.faq-accordion,.faq-accordion li{background:transparent;border:none;margin:0;}
.faq-accordion .accordion-item{background:var(--surface);border:1px solid var(--line-200);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;}
.faq-accordion .accordion-title{
  display:flex;align-items:center;min-height:52px;padding:14px 56px 14px 22px;border:none;
  color:var(--ink-900);font-size:16px;font-weight:600;position:relative;background:transparent;
}
.faq-accordion .accordion-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:6px;
  border-radius:0 3px 3px 0;background:var(--line-200);transition:background .2s ease,height .2s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{background:var(--accent-500);height:26px;}
.faq-accordion .accordion-title::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--accent-500);transition:transform .22s ease;line-height:1;
}
.faq-accordion .accordion-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(45deg);}
.faq-accordion .accordion-content{display:none;border:none;padding:0 56px 22px 22px;font-size:17px;line-height:1.9;color:var(--ink-700);background:transparent;}
.faq-accordion .accordion-content.is-open{display:block;}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:24px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.site-footer .f-brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:17px;color:#fff;margin-bottom:14px;}
.site-footer p{font-size:14px;line-height:1.8;}
.site-footer h4{color:#fff;font-size:14px;margin-bottom:16px;letter-spacing:.02em;}
.site-footer ul{display:flex;flex-direction:column;gap:10px;}
.site-footer a{color:rgba(255,255,255,.72);font-size:14px;}
.site-footer a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--brand-800);color:#fff;display:flex;align-items:center;justify-content:center;
  border:none;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s ease,transform .24s ease,background-color .2s ease;z-index:70;box-shadow:var(--shadow-md);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--accent-500);}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .32s ease-out,transform .32s ease-out;}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .hero{padding:72px 0 80px;}
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:block;}
  .nav-pill{padding:8px 8px 8px 18px;}
  .cta-panel{padding:44px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .value-aside{padding-top:8px;}
  .steps{grid-template-columns:1fr 1fr;gap:28px;}
  .g-large,.g-stack{grid-column:span 12;aspect-ratio:16/10;}
  .g-s{grid-column:span 6;}
}
@media (max-width:640px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .hero{padding:56px 0 64px;}
  .hero-sub{font-size:16.5px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;height:46px;}
  .hero-stats{gap:26px;}
  .stat b{font-size:26px;}
  .hero-badge{left:0;bottom:12px;}
  .countdown-bar{padding:24px 0;}
  .countdown-inner{gap:16px;}
  .cd-clock{margin:0 auto;flex-wrap:wrap;justify-content:center;width:100%;gap:8px;}
  .cd-unit{min-width:64px;padding:6px 10px;}
  .cd-unit b{font-size:26px;}
  .countdown-inner .btn-white{width:100%;}
  .value-axis li{gap:14px;}
  .v-num{font-size:28px;min-width:52px;}
  .g-s{grid-column:span 12;aspect-ratio:16/10;}
  .steps{grid-template-columns:1fr;gap:0;}
  .step{padding:24px 0 0;border-top:1px dashed var(--line-200);margin-bottom:20px;}
  .cta-panel{padding:32px 20px;border-radius:24px;}
  .cta-copy{padding-right:0;margin-bottom:28px;}
  .form-card{padding:22px;}
  .field-row{flex-direction:column;gap:0;}
  .field-row .code{flex:1;}
  .faq-accordion .accordion-content{padding-right:22px;font-size:16px;}
  .site-footer{padding:56px 0 24px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .to-top{right:16px;bottom:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --ink-900:#101613;
  --ink-700:#22302B;
  --ink-500:#66726C;
  --brand-900:#0B2A25;
  --brand-800:#0E3B34;
  --brand-600:#1F5A4C;
  --accent-500:#F2622A;
  --accent-600:#D94E1B;
  --lime-400:#B9D94A;
  --bg-100:#F7F4EE;
  --surface:#FFFFFF;
  --line-200:#E3DED4;
  --ok:#2E7D5B;
  --warn:#B8860B;
  --err:#C0392B;
  --font-sans:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --radius-card:18px;
  --radius-img:14px;
  --radius-input:12px;
  --shadow-sm:0 1px 2px rgba(16,22,19,.06);
  --shadow-md:0 12px 32px -14px rgba(16,22,19,.20);
  --pad-desk:96px;
  --pad-tab:72px;
  --pad-mob:56px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--bg-100);
  color:var(--ink-900);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.015em;color:var(--ink-900);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:3px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:sticky;
  top:16px;
  z-index:50;
  padding:0 24px;
}
.nav-shell{
  position:relative;
  max-width:1120px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:9px 12px 9px 22px;
  border-radius:999px;
  background:rgba(247,244,238,.84);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(14,59,52,.10);
  box-shadow:var(--shadow-sm);
  transition:background .24s ease,box-shadow .24s ease;
}
.site-header.is-scrolled .nav-shell{
  background:rgba(247,244,238,.94);
  box-shadow:var(--shadow-md);
}
.brand{display:flex;align-items:center;gap:10px;min-width:0;}
.brand-mark{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:16px;
  font-weight:800;
  letter-spacing:.02em;
  color:var(--brand-800);
  white-space:nowrap;
}
.brand-dot{
  width:8px;
  height:8px;
  border-radius:2px;
  background:var(--accent-500);
  display:inline-block;
  flex:none;
}
.brand-sub{
  font-size:13.5px;
  font-weight:600;
  color:var(--ink-700);
  white-space:nowrap;
  padding-left:10px;
  border-left:1px solid var(--line-200);
}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-links a{
  position:relative;
  padding:9px 14px;
  font-size:14.5px;
  font-weight:500;
  color:var(--brand-800);
  border-radius:999px;
  white-space:nowrap;
  transition:color .18s ease,background .18s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:5px;
  height:1.5px;
  background:var(--accent-500);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s ease;
}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{font-weight:600;color:var(--brand-900);background:rgba(14,59,52,.05);}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:42px;
  padding:0 20px;
  border-radius:999px;
  background:var(--accent-500);
  color:#fff;
  font-size:14.5px;
  font-weight:600;
  white-space:nowrap;
  transition:background .18s ease,transform .18s ease;
}
.nav-cta:hover{background:var(--accent-600);transform:translateY(-1px);}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:0;
  background:transparent;
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  border-radius:999px;
  flex:none;
}
.nav-toggle span{
  display:block;
  width:20px;
  height:2px;
  background:var(--brand-800);
  border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-panel{
  display:none;
  position:absolute;
  left:0;
  right:0;
  top:calc(100% + 10px);
  flex-direction:column;
  gap:4px;
  padding:10px;
  background:#fff;
  border:1px solid var(--line-200);
  border-radius:20px;
  box-shadow:var(--shadow-md);
}
.mobile-panel.is-open{display:flex;}
.mobile-panel a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:52px;
  padding:0 16px;
  border-radius:14px;
  font-size:15.5px;
  color:var(--ink-900);
  transition:background .18s ease;
}
.mobile-panel a:hover{background:var(--bg-100);}
.mobile-panel a::after{
  content:"›";
  font-size:20px;
  line-height:1;
  color:var(--ink-500);
}
.mobile-panel a.is-active{font-weight:600;color:var(--brand-900);background:rgba(14,59,52,.05);}
body.no-scroll{overflow:hidden;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background .18s ease,border-color .18s ease,color .18s ease,transform .18s ease;
}
.btn-primary{background:var(--brand-800);color:#fff;}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-1px);}
.btn-outline{background:transparent;border-color:var(--brand-800);color:var(--brand-800);}
.btn-outline:hover{background:rgba(14,59,52,.06);transform:translateY(-1px);}
.btn-ghost{
  height:auto;
  padding:0;
  background:none;
  color:var(--brand-600);
  border:0;
  gap:6px;
}
.btn-ghost span.arrow{transition:transform .18s ease;display:inline-block;}
.btn-ghost:hover span.arrow{transform:translateX(4px);}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  line-height:1.6;
  color:var(--ink-500);
  padding:34px 0 0;
  flex-wrap:wrap;
}
.crumb a{color:var(--ink-500);transition:color .18s ease;}
.crumb a:hover{color:var(--brand-800);}
.crumb .sep{color:#C6BFB2;}
.crumb .current{
  color:var(--ink-900);
  max-width:340px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* ---------- 文章头 ---------- */
.article-head{padding:22px 0 0;max-width:860px;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:6px;
  background:rgba(185,217,74,.22);
  color:#41591F;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.04em;
  line-height:1.6;
}
.badge::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--lime-400);
}
.article-head h1{
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.2;
  margin:18px 0 0;
}
.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  margin:18px 0 0;
  font-size:13.5px;
  color:var(--ink-500);
  font-variant-numeric:tabular-nums;
}
.article-meta .dot{color:#C6BFB2;}
.head-rule{
  height:1px;
  background:var(--line-200);
  margin:26px 0 0;
}
.article-hero{
  margin:32px 0 0;
  border-radius:var(--radius-img);
  overflow:hidden;
}
.article-hero img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .32s ease;
}
.article-hero:hover img{transform:scale(1.04);}

/* ---------- 布局 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 220px;
  justify-content:center;
  gap:56px;
  align-items:start;
  padding:48px 0 0;
}
.article-body{
  font-size:17px;
  line-height:1.9;
  color:var(--ink-700);
  overflow-wrap:break-word;
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  position:relative;
  font-size:clamp(22px,2.2vw,28px);
  line-height:1.35;
  color:var(--ink-900);
  margin:2em 0 .75em;
  padding-left:18px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.3em;
  width:4px;
  height:22px;
  border-radius:2px;
  background:var(--accent-500);
}
.article-body h3{
  font-size:19px;
  font-weight:700;
  color:var(--ink-900);
  margin:1.7em 0 .6em;
}
.article-body h4{
  font-size:17px;
  font-weight:700;
  color:var(--ink-900);
  margin:1.4em 0 .5em;
}
.article-body p{margin:0 0 1.2em;}
.article-body a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--accent-600);}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.5em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:0 0 .55em;}
.article-body ul li::marker{color:var(--accent-500);}
.article-body ol li::marker{color:var(--accent-500);font-weight:700;}
.article-body blockquote{
  margin:1.6em 0;
  padding:20px 24px;
  background:#FBF8F2;
  border-left:4px solid var(--brand-800);
  border-radius:0 14px 14px 0;
  color:var(--ink-700);
  font-style:normal;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-img);margin:1.6em auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  font-size:13px;
  color:var(--ink-500);
  text-align:center;
  margin-top:8px;
  line-height:1.7;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  font-size:15px;
  margin:1.6em 0;
  border:1px solid var(--line-200);
  border-radius:12px;
  overflow:hidden;
  font-variant-numeric:tabular-nums;
}
.article-body th{
  background:#F1EDE4;
  text-align:left;
  font-weight:600;
  color:var(--ink-900);
}
.article-body th,.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--line-200);
}
.article-body tr:last-child td{border-bottom:none;}
.article-body hr{border:0;height:1px;background:var(--line-200);margin:2em 0;}

/* ---------- 目录 ---------- */
.toc-wrap{position:sticky;top:104px;}
.toc-toggle{
  display:none;
  width:100%;
  height:48px;
  padding:0 18px;
  border:1px solid var(--line-200);
  border-radius:14px;
  background:#fff;
  font-size:15px;
  font-weight:600;
  color:var(--brand-800);
  align-items:center;
  justify-content:space-between;
}
.toc-caret{
  width:8px;height:8px;
  border-right:2px solid var(--brand-800);
  border-bottom:2px solid var(--brand-800);
  transform:rotate(45deg);
  transition:transform .2s ease;
  margin-top:-4px;
}
.toc-toggle[aria-expanded="true"] .toc-caret{transform:rotate(-135deg);margin-top:4px;}
.toc-title{
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--ink-500);
  margin:0 0 14px;
}
.toc-list{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line-200);}
.toc-item{
  display:block;
  padding:6px 0 6px 14px;
  margin-left:-1px;
  border-left:2px solid transparent;
  font-size:13.5px;
  line-height:1.6;
  color:var(--ink-500);
  transition:color .18s ease,border-color .18s ease;
}
.toc-item.is-sub{padding-left:26px;font-size:13px;}
.toc-item:hover{color:var(--brand-800);}
.toc-item.is-current{
  color:var(--accent-600);
  font-weight:600;
  border-left-color:var(--accent-500);
}

/* ---------- 文章尾部 ---------- */
.article-foot{max-width:760px;padding:0;}
.tag-row{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  margin:48px 0 0;
  padding-top:28px;
  border-top:1px solid var(--line-200);
}
.tag-label{font-size:13px;color:var(--ink-500);letter-spacing:.08em;}
.tag{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:6px;
  background:#fff;
  border:1px solid var(--line-200);
  font-size:13px;
  color:var(--ink-700);
  transition:border-color .18s ease,color .18s ease;
}
.tag:hover{border-color:var(--brand-600);color:var(--brand-800);}
.post-nav{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  margin:26px 0 0;
}
.post-nav-card{
  display:flex;
  align-items:center;
  gap:14px;
  padding:20px 22px;
  background:var(--surface);
  border:1px solid var(--line-200);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-nav-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--brand-600);}
.pn-arrow{font-size:20px;color:var(--accent-500);line-height:1;flex:none;}
.pn-body{display:flex;flex-direction:column;gap:2px;min-width:0;}
.pn-label{font-size:12.5px;color:var(--ink-500);letter-spacing:.08em;}
.pn-title{font-size:15.5px;font-weight:600;color:var(--ink-900);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 相关推荐 ---------- */
.section{padding:var(--pad-desk) 0 0;}
.section-head{max-width:660px;margin:0 0 32px;}
.eyebrow{
  display:block;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--accent-600);
  text-transform:uppercase;
  margin-bottom:12px;
}
.section-head h2{font-size:clamp(26px,3.4vw,40px);line-height:1.2;}
.section-head p{margin-top:14px;font-size:16px;color:var(--ink-500);line-height:1.8;}
.rel-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.rel-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line-200);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--brand-600);}
.rel-thumb{overflow:hidden;}
.rel-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .32s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:17.5px;line-height:1.45;}
.rel-body p{font-size:14.5px;line-height:1.8;color:var(--ink-500);}

/* ---------- 空态 ---------- */
.empty-state{
  grid-column:1/-1;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
  padding:40px 24px;
  background:#FBF9F4;
  border:1px dashed var(--line-200);
  border-radius:16px;
  text-align:center;
}
.empty-icon{
  width:40px;height:40px;
  border-radius:50%;
  border:2px solid var(--line-200);
  position:relative;
}
.empty-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  width:16px;height:2px;
  background:var(--line-200);
  transform:translate(-50%,-50%);
}
.empty-state p{font-size:14.5px;color:var(--ink-500);max-width:420px;}

/* ---------- CTA 条 ---------- */
.cta-strip{
  margin-top:var(--pad-desk);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  padding:36px 40px;
  border-radius:32px;
  background:linear-gradient(120deg,#F2EEE5 0%,#F7F4EE 100%);
  border:1px solid var(--line-200);
  flex-wrap:wrap;
}
.cta-strip h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;}
.cta-strip p{margin-top:10px;font-size:15.5px;color:var(--ink-500);max-width:560px;line-height:1.8;}

/* ---------- 未找到 ---------- */
.not-found{
  padding:72px 0 0;
  max-width:660px;
}
.not-found h1{font-size:clamp(30px,4vw,44px);line-height:1.2;}
.not-found p{margin:16px 0 28px;color:var(--ink-500);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--pad-desk);
  background:var(--brand-900);
  color:rgba(255,255,255,.72);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
}
.f-brand{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:17px;
  font-weight:800;
  color:#fff;
  letter-spacing:-.01em;
  margin-bottom:16px;
}
.site-footer p{font-size:14.5px;line-height:1.85;max-width:320px;color:rgba(255,255,255,.66);}
.site-footer h4{
  font-size:14px;
  color:#fff;
  letter-spacing:.04em;
  margin:0 0 18px;
  font-weight:700;
}
.site-footer ul{display:flex;flex-direction:column;gap:12px;}
.site-footer ul a{
  font-size:14.5px;
  color:rgba(255,255,255,.72);
  transition:color .18s ease;
}
.site-footer ul a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  margin-top:56px;
  padding:24px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:rgba(255,255,255,.55);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  width:48px;
  height:48px;
  border-radius:50%;
  border:0;
  background:var(--brand-800);
  color:#fff;
  display:grid;
  place-items:center;
  font-size:18px;
  opacity:0;
  pointer-events:none;
  transform:translateY(8px);
  transition:opacity .24s ease,transform .24s ease,background .18s ease;
  z-index:45;
}
.to-top.is-visible{opacity:1;pointer-events:auto;transform:none;}
.to-top:hover{background:var(--accent-500);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .32s ease-out,transform .32s ease-out;}
.reveal.is-in{opacity:1;transform:none;}

@media (max-width:1023px){
  .container{padding:0 24px;}
  .site-header{padding:0 16px;}
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .brand-sub{display:none;}
  .section{padding:var(--pad-tab) 0 0;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:26px;padding-top:32px;}
  .toc-wrap{position:static;top:auto;}
  .toc-toggle{display:flex;}
  .toc-panel{display:none;padding:16px 18px 6px;margin-top:10px;background:#fff;border:1px solid var(--line-200);border-radius:16px;}
  .toc-wrap.is-open .toc-panel{display:block;}
  .toc-list{border-left:0;}
  .toc-item{padding-left:0;border-left:0;border-bottom:1px solid var(--line-200);}
  .toc-item:last-child{border-bottom:0;}
  .toc-item.is-sub{padding-left:14px;}
  .toc-item.is-current{color:var(--accent-600);border-left:0;border-bottom-color:var(--accent-500);}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-strip{padding:30px 28px;border-radius:24px;}
  .site-footer{margin-top:var(--pad-tab);}
}
@media (max-width:639px){
  .container{padding:0 18px;}
  body{font-size:16px;}
  .article-body{font-size:16.5px;line-height:1.9;}
  .section{padding:var(--pad-mob) 0 0;}
  .article-head h1{font-size:clamp(26px,7vw,34px);}
  .crumb .current{max-width:180px;}
  .post-nav{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .cta-strip{margin-top:var(--pad-mob);padding:26px 22px;border-radius:20px;flex-direction:column;align-items:flex-start;}
  .cta-strip .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;margin-top:36px;}
  .site-footer{margin-top:var(--pad-mob);padding-top:56px;}
  .brand-mark{font-size:14.5px;}
  .to-top{right:16px;bottom:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --ink-900:#101613;
  --ink-700:#22302B;
  --ink-500:#66726C;
  --brand-900:#0B2A25;
  --brand-800:#0E3B34;
  --brand-600:#1F5A4C;
  --accent-500:#F2622A;
  --accent-600:#D94E1B;
  --lime-400:#B9D94A;
  --bg-100:#F7F4EE;
  --surface:#FFFFFF;
  --line-200:#E3DED4;
  --ok:#2E7D5B;
  --warn:#B8860B;
  --err:#C0392B;
  --font-sans:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --shadow-sm:0 1px 2px rgba(16,22,19,.06);
  --shadow-md:0 12px 32px -14px rgba(16,22,19,.20);
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-900);
  background:var(--bg-100);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-800);text-decoration:none;transition:color .2s ease;}
button{font-family:inherit;}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.015em;color:var(--ink-900);margin:0;}
h1{font-size:clamp(30px,4.6vw,50px);line-height:1.16;}
h2{font-size:clamp(24px,3.2vw,38px);line-height:1.22;}
h3{font-size:21px;line-height:1.4;}
h4{font-size:17px;line-height:1.5;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
figure{margin:0;}
hr{border:0;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(242,98,42,.22);}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:96px 0;}
.section-alt{background:var(--surface);}
.section-tight{padding:72px 0;}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  padding:16px 24px 8px;
  transition:padding .24s ease;
}
.site-header.is-scrolled{padding-top:10px;}
.nav-shell{
  max-width:1120px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:20px;
  padding:9px 12px 9px 20px;
  border-radius:var(--r-pill);
  background:rgba(247,244,238,.84);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(14,59,52,.10);
  box-shadow:var(--shadow-sm);
  transition:background .24s ease,box-shadow .24s ease;
}
.site-header.is-scrolled .nav-shell{
  background:rgba(247,244,238,.94);
  box-shadow:var(--shadow-md);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:16px;
  font-weight:800;
  color:var(--brand-800);
  white-space:nowrap;
  letter-spacing:-.02em;
}
.brand:hover{color:var(--brand-600);}
.brand em{
  font-style:normal;
  font-size:13px;
  font-weight:600;
  color:var(--ink-700);
  letter-spacing:0;
}
.brand-dot{
  width:8px;
  height:8px;
  border-radius:2px;
  background:var(--accent-500);
  display:inline-block;
  flex:0 0 auto;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  padding:10px 15px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:500;
  color:var(--brand-800);
  transition:color .2s ease,background .2s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:15px;
  right:15px;
  bottom:6px;
  height:1.5px;
  background:var(--accent-500);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s ease;
}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{
  font-weight:600;
  padding-left:28px;
}
.nav-links a.is-active::before{
  content:"";
  position:absolute;
  left:15px;
  top:50%;
  margin-top:-3px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--accent-500);
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;
  width:46px;
  height:46px;
  border:1px solid rgba(14,59,52,.14);
  border-radius:var(--r-pill);
  background:transparent;
  padding:0;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:var(--brand-800);
  border-radius:2px;
  transition:transform .24s ease,opacity .24s ease;
}
.nav-drawer{
  display:none;
  max-width:1120px;
  margin:10px auto 0;
  background:#fff;
  border-radius:20px;
  box-shadow:var(--shadow-md);
  padding:8px;
  border:1px solid var(--line-200);
}
.nav-drawer a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:52px;
  padding:0 18px;
  border-radius:14px;
  font-size:15px;
  font-weight:600;
  color:var(--brand-800);
}
.nav-drawer a::after{content:"›";font-size:20px;color:var(--ink-500);}
.nav-drawer a.is-active{background:rgba(242,98,42,.08);color:var(--accent-600);}
.nav-drawer a:hover{background:rgba(14,59,52,.05);}
body.nav-locked{overflow:hidden;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:background .18s ease,color .18s ease,transform .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand-800);color:#fff;}
.btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px);}
.btn-accent{background:var(--accent-500);color:#fff;}
.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);}
.btn-outline{background:transparent;border-color:var(--brand-800);color:var(--brand-800);}
.btn-outline:hover{background:rgba(14,59,52,.06);color:var(--brand-800);transform:translateY(-1px);}
.btn-ghost{
  background:transparent;
  color:var(--brand-800);
  height:auto;
  padding:0;
  border-radius:6px;
}
.btn-ghost::after{content:"→";margin-left:6px;transition:transform .2s ease;}
.btn-ghost:hover{color:var(--accent-600);}
.btn-ghost:hover::after{transform:translateX(4px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;
  padding:56px 0 40px;
  overflow:hidden;
  background:
    radial-gradient(120% 100% at 92% 0%,rgba(185,217,74,.14) 0%,rgba(247,244,238,0) 58%),
    linear-gradient(180deg,#FBF9F4 0%,var(--bg-100) 100%);
}
.page-head::after{
  content:"";
  position:absolute;
  right:-120px;
  top:-140px;
  width:420px;
  height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(14,59,52,.07) 0%,rgba(14,59,52,0) 70%);
  pointer-events:none;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--ink-500);
  margin-bottom:22px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--ink-500);}
.breadcrumb a:hover{color:var(--brand-800);}
.breadcrumb span.sep{color:rgba(16,22,19,.28);}
.breadcrumb .current{color:var(--ink-900);}
.eyebrow{
  font-size:12.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--accent-600);
  font-weight:700;
  margin:0 0 14px;
}
.page-head h1{max-width:18ch;}
.page-head h1 .hl{color:var(--brand-800);}
.lede{
  margin:18px 0 0;
  max-width:52ch;
  font-size:16.5px;
  color:var(--ink-700);
}
.head-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  margin-top:28px;
}
.head-figure{
  border-radius:var(--r-img);
  overflow:hidden;
  box-shadow:var(--shadow-md);
  border:1px solid var(--line-200);
}
.head-figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .32s ease;
}
.head-figure:hover img{transform:scale(1.04);}
.rule{
  height:1px;
  background:var(--line-200);
  margin:44px 0 0;
  width:100%;
}

/* ---------- 通用小标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:5px 12px;
  border-radius:6px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
}
.badge-lime{background:rgba(185,217,74,.24);color:#3D5211;}
.badge-brand{background:rgba(14,59,52,.08);color:var(--brand-800);}
.badge-accent{background:rgba(242,98,42,.12);color:var(--accent-600);}
.dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--lime-400);
  display:inline-block;
  flex:0 0 auto;
}
.dot.accent{background:var(--accent-500);}

/* ---------- 板块标题 ---------- */
.section-head{margin-bottom:32px;} 
.section-head h2::before{
  content:"";
  display:block;
  width:4px;
  height:22px;
  border-radius:2px;
  background:var(--accent-500);
  margin-bottom:16px;
}
.section-head p{
  margin:14px 0 0;
  color:var(--ink-500);
  font-size:15.5px;
  max-width:60ch;
}

/* ---------- 核对要点（8/4 不对称） ---------- */
.num-list{border-top:1px dashed var(--line-200);}
.num-item{
  display:flex;
  gap:20px;
  padding:22px 0;
  border-bottom:1px dashed var(--line-200);
}
.num-item .num{
  font-size:20px;
  font-weight:800;
  color:var(--accent-500);
  font-variant-numeric:tabular-nums;
  line-height:1.5;
  flex:0 0 44px;
}
.num-item h3{font-size:18px;margin-bottom:6px;}
.num-item p{color:var(--ink-500);font-size:14.5px;margin:0;}
.side-stack{display:flex;flex-direction:column;gap:18px;}
.side-figure{
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line-200);
  box-shadow:var(--shadow-sm);
}
.side-figure img{width:100%;aspect-ratio:1/1;object-fit:cover;transition:transform .32s ease;}
.side-figure:hover img{transform:scale(1.04);}
.status-card{
  background:var(--surface);
  border:1px solid var(--line-200);
  border-radius:var(--r-card);
  padding:20px 22px;
  box-shadow:var(--shadow-sm);
}
.status-card .row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:14px;
  color:var(--ink-500);
}
.status-card .row + .row{
  margin-top:12px;
  padding-top:12px;
  border-top:1px dashed var(--line-200);
}
.status-card strong{
  color:var(--brand-800);
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.status-card .state{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:#3D5211;
  font-weight:700;
}

/* ---------- 步骤（3/9） ---------- */
.step-layout{position:relative;}
.step-nav{
  position:sticky;
  top:120px;
  background:var(--surface);
  border:1px solid var(--line-200);
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:var(--shadow-sm);
}
.step-nav-title{
  font-size:12.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--ink-500);
  font-weight:700;
  margin:0 0 14px;
}
.step-nav a{
  display:flex;
  align-items:center;
  gap:12px;
  padding:11px 12px;
  border-radius:12px;
  font-size:14.5px;
  color:var(--ink-700);
  transition:background .2s ease,color .2s ease;
}
.step-nav a span{
  font-variant-numeric:tabular-nums;
  font-weight:800;
  color:var(--ink-500);
  font-size:13.5px;
}
.step-nav a:hover{background:rgba(14,59,52,.05);color:var(--brand-800);}
.step-nav a.is-active{background:rgba(242,98,42,.09);color:var(--accent-600);font-weight:700;}
.step-nav a.is-active span{color:var(--accent-500);}
.step-body{padding-left:8px;}
.step-block{
  padding:26px 0 40px;
  border-top:1px dashed var(--line-200);
  scroll-margin-top:130px;
}
.step-block:first-child{border-top:0;padding-top:0;}
.step-head{
  display:flex;
  align-items:baseline;
  gap:14px;
  margin-bottom:14px;
}
.step-head .num{
  font-size:26px;
  font-weight:800;
  color:var(--accent-500);
  font-variant-numeric:tabular-nums;
  line-height:1;
}
.step-block p{color:var(--ink-700);font-size:15.5px;}
.notice{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px 18px;
  border-radius:12px;
  font-size:14.5px;
  line-height:1.8;
  margin:18px 0 0;
  max-width:100%;
}
.notice .ic{
  flex:0 0 auto;
  font-weight:800;
  line-height:1.8;
}
.notice-ok{background:rgba(46,125,91,.08);border-left:4px solid var(--ok);color:#20513C;}
.notice-warn{background:rgba(242,98,42,.09);border-left:4px solid var(--accent-500);color:#8A3A12;}
.step-figure{
  margin-top:22px;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line-200);
}
.step-figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .32s ease;
}
.step-figure:hover img{transform:scale(1.04);}

/* ---------- 适用场景 ---------- */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}
.scene-item{
  display:flex;
  gap:14px;
  align-items:flex-start;
  background:var(--surface);
  border:1px solid var(--line-200);
  border-radius:var(--r-card);
  padding:20px 22px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-item:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
  border-color:var(--brand-600);
}
.scene-item .tick{
  width:20px;
  height:20px;
  border-radius:50%;
  background:rgba(242,98,42,.12);
  color:var(--accent-600);
  font-size:12px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
  margin-top:5px;
}
.scene-item h3{font-size:16px;margin-bottom:4px;}
.scene-item p{font-size:14.5px;color:var(--ink-500);margin:0;}

/* ---------- 定义列表 ---------- */
.def-list{
  background:var(--surface);
  border:1px solid var(--line-200);
  border-radius:var(--r-card);
  padding:8px 28px;
  box-shadow:var(--shadow-sm);
}
.def-row{
  display:grid;
  grid-template-columns:200px 1fr;
  gap:24px;
  padding:20px 0;
  border-bottom:1px dashed var(--line-200);
}
.def-row:last-child{border-bottom:0;}
.def-row dt{
  font-weight:800;
  color:var(--brand-800);
  font-size:15.5px;
}
.def-row dd{
  margin:0;
  color:var(--ink-700);
  font-size:15px;
}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line-200);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{
  border-color:rgba(242,98,42,.45);
  box-shadow:var(--shadow-md);
}
.faq-q{
  width:100%;
  min-height:52px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:16px 24px 16px 22px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:700;
  color:var(--ink-900);
  cursor:pointer;
  position:relative;
}
.faq-q::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:6px;
  height:22px;
  border-radius:0 3px 3px 0;
  background:var(--line-200);
  transition:background .2s ease;
}
.faq-item.is-open .faq-q::before{background:var(--accent-500);}
.faq-icon{
  position:relative;
  width:16px;
  height:16px;
  flex:0 0 auto;
  transition:transform .24s ease;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--brand-800);
  border-radius:2px;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{top:0;left:7px;width:2px;height:16px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s ease;
}
.faq-a-inner{
  padding:0 24px 22px 34px;
  font-size:15.5px;
  line-height:1.9;
  color:var(--ink-700);
}

/* ---------- CTA 条 ---------- */
.cta-strip{
  background:#F1ECE1;
  border:1px solid var(--line-200);
  border-radius:32px;
  padding:36px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
}
.cta-strip h2{font-size:clamp(22px,2.6vw,30px);}
.cta-strip p{
  margin:10px 0 0;
  color:var(--ink-700);
  font-size:15px;
  max-width:56ch;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-900);
  color:rgba(255,255,255,.72);
  margin-top:96px;
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:48px;
}
.f-brand{
  display:flex;
  align-items:center;
  gap:8px;
  color:#fff;
  font-weight:800;
  font-size:17px;
  letter-spacing:-.02em;
  margin-bottom:14px;
}
.site-footer p{
  font-size:14.5px;
  line-height:1.9;
  color:rgba(255,255,255,.66);
  margin:0;
}
.site-footer h4{
  color:#fff;
  font-size:14.5px;
  margin:0 0 16px;
  letter-spacing:.04em;
}
.site-footer ul li + li{margin-top:10px;}
.site-footer a{
  color:rgba(255,255,255,.72);
  font-size:14.5px;
}
.site-footer a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 30px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:rgba(255,255,255,.58);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  width:48px;
  height:48px;
  border-radius:50%;
  border:0;
  background:var(--brand-800);
  color:#fff;
  font-size:18px;
  cursor:pointer;
  box-shadow:var(--shadow-md);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .24s ease,transform .24s ease,background .24s ease,visibility .24s;
  z-index:60;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--accent-500);}

/* ---------- 入场动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .32s ease-out,transform .32s ease-out;
}
.reveal.is-in{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-shell .nav-actions{margin-left:auto;}
  .nav-toggle{display:flex;}
  .brand em{display:none;}
  .site-header{padding:12px 16px 6px;}
  .step-nav{
    position:static;
    display:flex;
    gap:8px;
    overflow-x:auto;
    padding:12px;
    margin-bottom:28px;
    scrollbar-width:thin;
  }
  .step-nav-title{display:none;}
  .step-nav a{
    flex:0 0 auto;
    padding:10px 16px;
    border:1px solid var(--line-200);
    min-height:44px;
  }
  .step-body{padding-left:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .page-head{padding:36px 0 28px;}
  .scene-grid{grid-template-columns:1fr;}
  .def-list{padding:6px 18px;}
  .def-row{grid-template-columns:1fr;gap:6px;}
  .cta-strip{padding:26px 22px;border-radius:24px;}
  .btn{height:46px;padding:0 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{margin-top:56px;padding-top:52px;}
  .faq-q{font-size:15px;padding:14px 18px 14px 18px;}
  .faq-a-inner{padding:0 18px 18px 18px;}
  .to-top{right:16px;bottom:16px;}
}

/* roulang page: category2 */
:root{
  --ink-900:#101613;
  --ink-700:#22302B;
  --ink-500:#66726C;
  --brand-900:#0B2A25;
  --brand-800:#0E3B34;
  --brand-600:#1F5A4C;
  --accent-500:#F2622A;
  --accent-600:#D94E1B;
  --lime-400:#B9D94A;
  --bg-100:#F7F4EE;
  --surface:#FFFFFF;
  --line-200:#E3DED4;
  --ok:#2E7D5B;
  --warn:#B8860B;
  --err:#C0392B;
  --shadow-sm:0 1px 2px rgba(16,22,19,.06);
  --shadow-md:0 12px 32px -14px rgba(16,22,19,.20);
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --font-sans:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-100);
  color:var(--ink-900);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-800);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-600);}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.015em;color:var(--ink-900);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:3px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}

/* ---------- 导航 ---------- */
.nav-wrap{
  position:sticky;
  top:16px;
  z-index:50;
  padding:0 18px;
}
.site-nav{
  position:relative;
  max-width:1120px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  padding:10px 14px 10px 20px;
  border-radius:var(--r-pill);
  background:rgba(247,244,238,.84);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(14,59,52,.10);
  box-shadow:var(--shadow-sm);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-nav.is-scrolled{
  background:rgba(247,244,238,.94);
  box-shadow:var(--shadow-md);
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14.5px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--brand-800);
  white-space:nowrap;
}
.logo:hover{color:var(--brand-600);}
.logo .brand-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--accent-500);
  display:inline-block;
  flex:0 0 auto;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  padding:10px 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:500;
  color:var(--brand-800);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:6px;
  height:1.5px;
  background:var(--accent-500);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s ease;
}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{
  font-weight:600;
  padding-left:24px;
}
.nav-links a.is-active::before{
  content:"";
  position:absolute;
  left:10px;top:50%;
  width:6px;height:6px;
  margin-top:-3px;
  border-radius:50%;
  background:var(--accent-500);
}
.nav-links a.is-active::after{transform:scaleX(0);}
.nav-cta{margin-left:6px;}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:44px;height:44px;
  padding:0;
  border-radius:var(--r-pill);
  border:1px solid rgba(14,59,52,.14);
  background:var(--surface);
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--brand-800);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-panel{
  display:none;
  position:absolute;
  left:0;right:0;
  top:calc(100% + 12px);
  padding:10px;
  background:var(--surface);
  border:1px solid var(--line-200);
  border-radius:20px;
  box-shadow:var(--shadow-md);
}
.nav-panel.is-open{display:block;}
.nav-panel a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:52px;
  padding:0 16px;
  border-radius:14px;
  font-size:16px;
  color:var(--ink-900);
}
.nav-panel a::after{content:"›";color:var(--ink-500);font-size:20px;}
.nav-panel a:hover{background:rgba(14,59,52,.06);}
.nav-panel a.is-active{color:var(--brand-800);font-weight:600;}
body.nav-locked{overflow:hidden;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  text-align:center;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn-primary{background:var(--brand-800);border-color:var(--brand-800);color:#fff;}
.btn-primary:hover{background:var(--brand-600);border-color:var(--brand-600);color:#fff;transform:translateY(-1px);}
.btn-accent{background:var(--accent-500);border-color:var(--accent-500);color:#fff;}
.btn-accent:hover{background:var(--accent-600);border-color:var(--accent-600);color:#fff;transform:translateY(-1px);}
.btn-outline{background:transparent;border-color:var(--brand-800);color:var(--brand-800);}
.btn-outline:hover{background:rgba(14,59,52,.07);color:var(--brand-600);transform:translateY(-1px);}
.btn-ghost{
  background:transparent;border-color:transparent;
  color:var(--brand-800);padding:0 8px;
}
.btn-ghost::after{content:"→";transition:transform .18s ease;}
.btn-ghost:hover{color:var(--accent-500);}
.btn-ghost:hover::after{transform:translateX(4px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  padding:40px 0 0;
  font-size:13.5px;
  color:var(--ink-500);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li::after{content:"/";margin-left:8px;color:var(--line-200);}
.breadcrumb li:last-child::after{content:"";}
.breadcrumb a{color:var(--ink-500);}
.breadcrumb a:hover{color:var(--brand-800);}
.breadcrumb .current{color:var(--ink-900);}

/* ---------- 页头 ---------- */
.page-head{padding:36px 0 44px;}
.head-main{position:relative;padding-top:26px;}
.head-num{
  position:absolute;
  left:-8px;top:-44px;
  font-size:clamp(86px,12vw,120px);
  line-height:.8;
  font-weight:800;
  letter-spacing:-.04em;
  color:var(--brand-800);
  opacity:.10;
  font-variant-numeric:tabular-nums;
  pointer-events:none;
  user-select:none;
}
.page-head h1{
  position:relative;
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.14;
}
.head-aside{padding-top:26px;}
.head-aside p{
  margin:0 0 16px;
  font-size:15.5px;
  color:var(--ink-500);
}
.update-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border-radius:var(--r-pill);
  background:rgba(185,217,74,.18);
  border:1px solid rgba(185,217,74,.55);
  font-size:13px;
  color:var(--brand-800);
  font-variant-numeric:tabular-nums;
}
.update-chip i{
  width:7px;height:7px;border-radius:50%;
  background:var(--lime-400);
  display:inline-block;
}
.head-rule{
  height:1px;
  background:var(--line-200);
  margin-top:44px;
}

/* ---------- 板块标题 ---------- */
.section-head{margin-bottom:32px;max-width:760px;}
.eyebrow{
  margin:0 0 12px;
  font-size:12.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--ink-500);
}
.section-head h2{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.2;
  display:flex;
  align-items:center;
  gap:14px;
}
.h2-bar{
  flex:0 0 auto;
  display:inline-block;
  width:4px;height:22px;
  background:var(--accent-500);
  border-radius:2px;
}
.section-lead{
  margin:16px 0 0;
  font-size:16px;
  color:var(--ink-500);
}

/* ---------- 勾选清单 ---------- */
.check-list{
  background:var(--surface);
  border:1px solid var(--line-200);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
  padding:10px 24px;
}
.check-list li{
  display:flex;
  align-items:flex-start;
  gap:14px;
  min-height:44px;
  padding:14px 0;
  border-bottom:1px dashed var(--line-200);
  font-size:15.5px;
  color:var(--ink-700);
}
.check-list li:last-child{border-bottom:0;}
.check-list .tick{
  flex:0 0 22px;
  width:22px;height:22px;
  margin-top:4px;
  border-radius:50%;
  background:var(--accent-500);
  color:#fff;
  font-size:12px;
  line-height:22px;
  text-align:center;
  font-weight:700;
}

/* ---------- 说明卡 ---------- */
.info-card{
  background:var(--surface);
  border:1px solid var(--line-200);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--shadow-sm);
}
.info-card h3{
  font-size:21px;
  margin-bottom:14px;
}
.info-card p{
  margin:0 0 14px;
  color:var(--ink-500);
  font-size:15.5px;
}
.info-card p:last-child{margin-bottom:0;}
.media-frame{
  margin:20px 0 0;
  border-radius:var(--r-img);
  overflow:hidden;
  background:var(--surface);
  border:1px solid var(--line-200);
}
.media-frame img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .32s ease;
}
.media-frame:hover img{transform:scale(1.04);}
.media-frame figcaption{
  padding:12px 18px;
  font-size:13px;
  color:var(--ink-500);
  background:var(--surface);
}

/* ---------- 功能卡 ---------- */
.feature-card{
  height:100%;
  background:var(--surface);
  border:1px solid var(--line-200);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.feature-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
  border-color:var(--brand-600);
}
.feature-icon{
  width:40px;height:40px;
  border-radius:12px;
  background:rgba(14,59,52,.08);
  color:var(--brand-800);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  font-weight:800;
  margin-bottom:16px;
}
.feature-card h3{font-size:21px;margin-bottom:10px;}
.feature-card p{margin:0;font-size:15px;color:var(--ink-500);}
.wide-card{
  margin-top:24px;
  background:var(--surface);
  border:1px solid var(--line-200);
  border-radius:var(--r-card);
  padding:26px 28px;
  box-shadow:var(--shadow-sm);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.wide-card h3{font-size:21px;margin-bottom:8px;}
.wide-card p{margin:0;font-size:15px;color:var(--ink-500);}

/* ---------- 术语表 ---------- */
.spec-list{
  margin:0;
  background:var(--surface);
  border:1px solid var(--line-200);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
  padding:8px 28px;
}
.spec-list > div{
  display:flex;
  gap:28px;
  padding:20px 0;
  border-bottom:1px dashed var(--line-200);
}
.spec-list > div:last-child{border-bottom:0;}
.spec-list dt{
  flex:0 0 200px;
  font-weight:700;
  color:var(--brand-800);
  font-size:15.5px;
}
.spec-list dd{
  margin:0;
  color:var(--ink-500);
  font-size:15.5px;
}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;
  border-radius:32px;
  overflow:hidden;
  background:var(--brand-900);
  color:#fff;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center;
  opacity:.30;
}
.cta-band-inner{
  position:relative;
  z-index:2;
  padding:52px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band-inner h2{
  color:#fff;
  font-size:clamp(24px,3vw,34px);
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:14px;
}
.cta-band-inner p{
  margin:0;
  color:rgba(255,255,255,.78);
  max-width:640px;
  font-size:15.5px;
}
.eyebrow-light{color:rgba(255,255,255,.6);}

/* ---------- FAQ ---------- */
.faq .accordion{
  margin:0;
  padding:0;
  border:0;
  background:transparent;
  list-style:none;
}
.faq .accordion-item{
  margin-bottom:12px;
  background:var(--surface);
  border:1px solid var(--line-200);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.faq .accordion-item:last-child{margin-bottom:0;}
.faq .accordion-title{
  position:relative;
  display:flex;
  align-items:center;
  min-height:52px;
  padding:12px 56px 12px 24px;
  margin:0;
  border:0;
  background:transparent;
  font-size:16px;
  font-weight:600;
  color:var(--ink-900);
  line-height:1.5;
}
.faq .accordion-title::before{
  content:"+";
  position:absolute;
  right:22px;top:50%;
  transform:translateY(-50%);
  font-size:22px;
  font-weight:400;
  color:var(--accent-500);
  transition:transform .24s ease;
}
.faq .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(45deg);}
.faq .accordion-title::after{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:6px;height:20px;
  margin-top:-10px;
  border-radius:0 3px 3px 0;
  background:var(--accent-500);
  opacity:0;
  transition:opacity .24s ease;
}
.faq .accordion-item.is-active .accordion-title::after{opacity:1;}
.faq .accordion-content{
  padding:0 24px 22px 24px;
  border:0;
  background:transparent;
  color:var(--ink-500);
  font-size:16.5px;
  line-height:1.9;
}
.faq .accordion-title:hover{color:var(--brand-800);}

/* ---------- 双入口 ---------- */
.dual-cta{
  margin-top:32px;
  padding:26px 28px;
  background:rgba(14,59,52,.05);
  border:1px solid var(--line-200);
  border-radius:var(--r-card);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.dual-cta p{margin:0;font-size:15.5px;color:var(--ink-700);}
.dual-cta .actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:40px;
  background:var(--brand-900);
  color:rgba(255,255,255,.72);
  padding:72px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
}
.f-brand{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:800;
  color:#fff;
  margin-bottom:14px;
}
.f-brand .brand-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--accent-500);
  display:inline-block;
}
.site-footer p{
  margin:0;
  font-size:14.5px;
  line-height:1.8;
  color:rgba(255,255,255,.68);
  max-width:340px;
}
.site-footer h4{
  color:#fff;
  font-size:15px;
  margin-bottom:16px;
  letter-spacing:0;
}
.site-footer ul li{margin-bottom:10px;}
.site-footer ul a{
  color:rgba(255,255,255,.72);
  font-size:14.5px;
}
.site-footer ul a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  margin-top:52px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:rgba(255,255,255,.60);
}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;
  right:24px;bottom:24px;
  width:48px;height:48px;
  border:0;
  border-radius:50%;
  background:var(--brand-800);
  color:#fff;
  font-size:18px;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .24s ease,transform .24s ease,background .2s ease,visibility .24s;
  z-index:60;
}
.back-top.is-visible{opacity:1;visibility:visible;transform:none;}
.back-top:hover{background:var(--accent-500);}

/* ---------- 入场动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .32s ease-out,transform .32s ease-out;
}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .head-aside{flex:0 0 100%;max-width:100%;padding-top:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band-inner{padding:44px 32px;}
  .spec-list dt{flex:0 0 160px;}
}
@media (max-width:639px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .nav-wrap{padding:0 12px;top:12px;}
  .site-nav{padding:8px 10px 8px 16px;}
  .logo{font-size:13.5px;}
  .breadcrumb{padding-top:28px;}
  .page-head{padding:24px 0 32px;}
  .head-num{font-size:76px;top:-30px;}
  .check-list{padding:8px 18px;}
  .check-list li{font-size:15px;}
  .info-card{padding:22px;}
  .spec-list{padding:6px 20px;}
  .spec-list > div{flex-direction:column;gap:6px;padding:16px 0;}
  .spec-list dt{flex:0 0 auto;}
  .wide-card{padding:22px;flex-direction:column;align-items:flex-start;}
  .btn{width:100%;}
  .dual-cta .actions{width:100%;}
  .cta-band-inner{padding:32px 22px;}
  .faq .accordion-title{font-size:15.5px;padding:14px 48px 14px 18px;}
  .faq .accordion-content{padding:0 18px 20px 18px;font-size:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;margin-top:36px;}
  .back-top{right:16px;bottom:16px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
}

/* roulang page: category3 */
:root{
  --ink-900:#101613;
  --ink-700:#22302B;
  --ink-500:#66726C;
  --brand-900:#0B2A25;
  --brand-800:#0E3B34;
  --brand-600:#1F5A4C;
  --accent-500:#F2622A;
  --accent-600:#D94E1B;
  --lime-400:#B9D94A;
  --bg-100:#F7F4EE;
  --surface:#FFFFFF;
  --line-200:#E3DED4;
  --ok:#2E7D5B;
  --warn:#B8860B;
  --err:#C0392B;
  --font-sans:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --shadow-sm:0 1px 2px rgba(16,22,19,.06);
  --shadow-md:0 12px 32px -14px rgba(16,22,19,.20);
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-900);
  background:var(--bg-100);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-800);text-decoration:none;}
a:hover{color:var(--brand-600);}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.015em;color:var(--ink-900);}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.nums{font-variant-numeric:tabular-nums;}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:16px;z-index:60;padding:0 16px;}
.nav-shell{
  max-width:1120px;margin:0 auto;display:flex;align-items:center;gap:18px;
  padding:9px 12px 9px 22px;border-radius:var(--r-pill);
  background:rgba(247,244,238,.84);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(14,59,52,.10);
  box-shadow:var(--shadow-sm);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled .nav-shell{background:rgba(247,244,238,.94);box-shadow:var(--shadow-md);}
.brand{display:inline-flex;align-items:center;gap:9px;flex:0 0 auto;font-size:15px;font-weight:800;color:var(--brand-800);white-space:nowrap;letter-spacing:-.01em;}
.brand-dot{width:8px;height:8px;border-radius:2px;background:var(--accent-500);flex:0 0 8px;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-links a{
  position:relative;padding:9px 14px;font-size:14.5px;font-weight:500;
  color:var(--brand-800);border-radius:var(--r-pill);white-space:nowrap;
  transition:color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:1.5px;
  background:var(--accent-500);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease-out;
}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{font-weight:600;padding-left:22px;}
.nav-links a.is-active::before{
  content:"";position:absolute;left:8px;top:50%;width:6px;height:6px;margin-top:-3px;
  border-radius:50%;background:var(--accent-500);
}
.nav-cta{height:42px;padding:0 22px;font-size:14.5px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;background:transparent;
  border:none;border-radius:var(--r-pill);cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--brand-800);border-radius:2px;transition:transform .22s ease,opacity .22s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-panel{
  display:none;max-width:1120px;margin:12px auto 0;background:var(--surface);
  border:1px solid var(--line-200);border-radius:20px;box-shadow:var(--shadow-md);
  padding:8px;overflow:hidden;
}
.mobile-panel a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;padding:0 18px;border-radius:14px;font-size:15px;font-weight:600;
  color:var(--brand-800);transition:background .18s ease;
}
.mobile-panel a::after{
  content:"";width:7px;height:7px;border-right:2px solid var(--accent-500);
  border-top:2px solid var(--accent-500);transform:rotate(45deg);
}
.mobile-panel a:hover{background:var(--bg-100);}
.mobile-panel.is-open{display:block;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  cursor:pointer;transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--brand-800);color:#fff;}
.btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--brand-800);border-color:rgba(14,59,52,.28);}
.btn-outline:hover{border-color:var(--brand-800);background:rgba(14,59,52,.05);color:var(--brand-800);transform:translateY(-1px);}
.btn-accent{background:var(--accent-500);color:#fff;}
.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--brand-800);padding:0 6px;height:auto;}
.btn-ghost::after{content:"→";transition:transform .18s ease;}
.btn-ghost:hover::after{transform:translateX(4px);}

/* ---------- 眉标 / 通用 ---------- */
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent-500);margin:0;
}
.badge{
  display:inline-flex;align-items:center;gap:7px;padding:5px 12px;border-radius:6px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:rgba(31,90,76,.10);color:var(--brand-600);
}
.badge.is-lime{background:rgba(185,217,74,.26);color:#4A5C12;}
.badge.is-warn{background:rgba(184,134,11,.13);color:var(--warn);}
.tag{
  display:inline-block;padding:4px 11px;border-radius:6px;font-size:12.5px;font-weight:600;
  background:rgba(14,59,52,.08);color:var(--brand-600);letter-spacing:.02em;
}
.tag.is-accent{background:rgba(242,98,42,.12);color:var(--accent-600);}
.arrow-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-800);}
.arrow-link::after{content:"→";transition:transform .18s ease;}
.arrow-link:hover{color:var(--accent-600);}
.arrow-link:hover::after{transform:translateX(4px);}

/* ---------- 版块 ---------- */
.section{padding:96px 0;}
.section.tight{padding:72px 0;}
.section-head{max-width:660px;margin-bottom:40px;}
.section-head h2{
  position:relative;padding-left:18px;margin:12px 0 14px;
  font-size:clamp(26px,3.4vw,40px);line-height:1.2;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.2em;width:4px;height:22px;
  background:var(--accent-500);border-radius:2px;
}
.section-sub{color:var(--ink-500);font-size:15.5px;margin:0;}

/* ---------- 页头深色块 ---------- */
.page-hero{
  background:var(--brand-800);color:#fff;position:relative;
  padding:76px 0 120px;
}
.page-hero::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(242,98,42,.20),transparent 68%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.hero-inner{display:grid;grid-template-columns:1.3fr .9fr;gap:56px;align-items:center;}
.page-hero h1{
  color:#fff;font-size:clamp(32px,4.6vw,54px);line-height:1.14;
  margin:16px 0 18px;max-width:720px;
}
.page-hero .lead{
  color:rgba(255,255,255,.78);font-size:17px;line-height:1.85;
  max-width:600px;margin:0;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;margin-top:26px;
  padding:9px 18px;border-radius:12px;font-size:13.5px;
  color:rgba(255,255,255,.92);background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.16);
}
.hero-badge .dot{
  width:8px;height:8px;border-radius:50%;background:var(--lime-400);
  box-shadow:0 0 0 4px rgba(185,217,74,.18);
}
.hero-media{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  transform:translateY(58px);
  box-shadow:0 24px 52px -26px rgba(0,0,0,.62);
}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-tip{
  position:absolute;left:16px;bottom:16px;right:16px;
  display:flex;align-items:center;gap:9px;
  padding:11px 15px;border-radius:12px;font-size:13px;line-height:1.5;
  background:rgba(11,42,37,.82);color:rgba(255,255,255,.92);
  border:1px solid rgba(255,255,255,.14);
}
.hero-tip .dot{width:7px;height:7px;border-radius:50%;background:var(--lime-400);flex:0 0 7px;}

/* ---------- 时间轴 ---------- */
.timeline{margin-top:8px;}
.tl-item{display:grid;grid-template-columns:140px 34px 1fr;align-items:start;margin-bottom:20px;}
.tl-date{
  padding-top:24px;font-size:15px;font-weight:800;color:var(--brand-800);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.tl-date span{
  display:block;margin-top:4px;font-size:12px;font-weight:600;
  letter-spacing:.04em;color:var(--accent-500);
}
.tl-rail{position:relative;align-self:stretch;min-height:100%;}
.tl-rail::before{
  content:"";position:absolute;left:50%;top:0;bottom:-20px;width:0;
  border-left:2px dashed rgba(14,59,52,.20);transform:translateX(-1px);
}
.tl-item:last-child .tl-rail::before{bottom:auto;height:42px;}
.tl-rail i{
  position:absolute;left:50%;top:32px;width:12px;height:12px;border-radius:50%;
  background:var(--accent-500);transform:translateX(-50%);
  box-shadow:0 0 0 4px rgba(242,98,42,.14);
}
.tl-card{
  background:var(--surface);border:1px solid var(--line-200);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tl-item:hover .tl-card{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:rgba(31,90,76,.34);}
.tl-card h3{font-size:19px;line-height:1.45;margin:12px 0 8px;}
.tl-card p{color:var(--ink-500);font-size:15px;margin:0 0 14px;max-width:640px;}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}

/* ---------- 图文交错 ---------- */
.alt-stream{display:flex;flex-direction:column;gap:72px;}
.alt-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.alt-row.is-reverse .alt-media{order:2;}
.alt-media{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--shadow-sm);}
.alt-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .28s ease;}
.alt-media:hover img{transform:scale(1.04);}
.alt-body h3{font-size:22px;line-height:1.4;margin:14px 0 12px;}
.alt-body p{color:var(--ink-500);font-size:15.5px;line-height:1.85;margin:0 0 12px;}
.alt-points{margin-top:6px;}
.alt-points li{
  position:relative;padding-left:20px;font-size:14.5px;color:var(--ink-700);
  line-height:1.8;margin-bottom:6px;
}
.alt-points li::before{
  content:"";position:absolute;left:0;top:12px;width:9px;height:2px;
  background:var(--accent-500);border-radius:2px;
}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:#F1EDE3;border-radius:32px;padding:48px;
  display:grid;grid-template-columns:1fr auto;gap:36px;align-items:center;
  border:1px solid rgba(14,59,52,.08);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;margin:0 0 12px;}
.cta-band p{color:var(--ink-500);font-size:15.5px;margin:0 0 8px;max-width:640px;}
.cta-note{
  font-size:13.5px;color:var(--accent-600);font-weight:600;letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
}
.cta-note::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent-500);margin-right:8px;vertical-align:middle;}

/* ---------- FAQ ---------- */
.faq-list{margin:0;padding:0;list-style:none;background:transparent;border:none;}
.faq-list .accordion-item{
  background:var(--surface);border:1px solid var(--line-200);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-sm);
}
.faq-list .accordion-title{
  position:relative;display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:52px;padding:16px 22px 16px 28px;
  font-size:16.5px;font-weight:600;color:var(--ink-900);line-height:1.5;
  background:transparent;border:none;
}
.faq-list .accordion-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:6px;height:26px;border-radius:0 4px 4px 0;background:var(--accent-500);
  opacity:0;transition:opacity .2s ease;
}
.faq-list .accordion-item.is-active .accordion-title::before{opacity:1;}
.faq-list .accordion-title:hover{background:rgba(14,59,52,.03);}
.faq-plus{position:relative;flex:0 0 16px;width:16px;height:16px;transition:transform .24s ease;}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;background:var(--brand-800);border-radius:2px;}
.faq-plus::before{left:0;top:7px;width:16px;height:2px;}
.faq-plus::after{left:7px;top:0;width:2px;height:16px;}
.faq-list .accordion-item.is-active .faq-plus{transform:rotate(45deg);}
.faq-list .accordion-content{padding:0 28px 24px 28px;border:none;background:transparent;}
.faq-list .accordion-content p{font-size:15.5px;line-height:1.9;color:var(--ink-500);margin:0;}
.faq-list .accordion-content p + p{margin-top:10px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.f-brand{display:flex;align-items:center;gap:9px;color:#fff;font-size:16px;font-weight:800;margin-bottom:14px;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:320px;margin:0;}
.site-footer h4{color:#fff;font-size:14px;font-weight:700;letter-spacing:.04em;margin:0 0 16px;}
.site-footer li{margin-bottom:10px;}
.site-footer ul a{color:rgba(255,255,255,.72);font-size:14px;transition:color .18s ease;}
.site-footer ul a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.54);
}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--brand-800);border:none;cursor:pointer;z-index:70;
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s ease,transform .24s ease,background .18s ease,visibility .24s;
  box-shadow:var(--shadow-md);
}
.back-top::before{
  content:"";width:9px;height:9px;border-left:2px solid #fff;border-top:2px solid #fff;
  transform:rotate(45deg) translate(1px,1px);
}
.back-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{background:var(--accent-500);}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .32s ease-out,transform .32s ease-out;}
.reveal.is-in{opacity:1;transform:translateY(0);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .container{padding:0 28px;}
}
@media (max-width:1023.98px){
  .container{padding:0 24px;}
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .mobile-panel{display:none;}
  .mobile-panel.is-open{display:block;}
  .section{padding:72px 0;}
  .section.tight{padding:56px 0;}
  .hero-inner{grid-template-columns:1fr;gap:44px;}
  .hero-media{transform:translateY(24px);}
  .page-hero{padding:56px 0 88px;}
  .alt-row{grid-template-columns:1fr;gap:28px;}
  .alt-row.is-reverse .alt-media{order:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (min-width:1024px){
  .mobile-panel{display:none !important;}
}
@media (max-width:767.98px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section.tight{padding:44px 0;}
  .section-head{margin-bottom:28px;}
  .brand{font-size:13.5px;}
  .tl-item{grid-template-columns:1fr;margin-bottom:20px;}
  .tl-rail{display:none;}
  .tl-date{padding:0 0 10px;display:flex;align-items:center;gap:10px;font-size:14px;}
  .tl-date span{margin-top:0;}
  .tl-card{padding:20px;}
  .cta-band{grid-template-columns:1fr;padding:32px 24px;gap:24px;border-radius:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:56px 0 24px;margin-top:64px;}
  .back-top{right:16px;bottom:16px;}
  .hero-tip{display:none;}
  .alt-body h3{font-size:19px;}
}
@media (max-width:519.98px){
  .page-hero{padding:44px 0 76px;}
  .hero-badge{font-size:12.5px;padding:8px 14px;}
  .faq-list .accordion-title{font-size:15.5px;padding:14px 18px 14px 22px;}
  .faq-list .accordion-content{padding:0 22px 20px 22px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}