/* roulang page: index */
:root{
  --brand:#12433A;
  --brand-deep:#0C2E28;
  --accent:#1FA98C;
  --action:#F2673A;
  --action-dark:#DE5628;
  --bg:#F7F6F2;
  --bg-2:#EFF0EA;
  --ink:#15211E;
  --ink-2:#5B6864;
  --ink-3:#8D9793;
  --line:#E3E1DA;
  --r-card:16px;
  --r-lg:24px;
  --r-btn:10px;
  --sh-sm:0 1px 2px rgba(18,67,58,.06);
  --sh-md:0 8px 24px -12px rgba(18,67,58,.18);
  --sh-lg:0 24px 48px -24px rgba(18,67,58,.25);
  --fs-h1:56px;
  --fs-h2:40px;
  --fs-h3:24px;
  --fs-h4:18px;
  --fs-body:17px;
  --fs-small:14px;
  --fs-micro:12px;
  --sp-section:96px;
  --pad-x:32px;
}
@media screen and (max-width:1023px){
  :root{
    --fs-h1:40px;--fs-h2:32px;--fs-h3:21px;--fs-h4:17px;--fs-body:16px;
    --sp-section:72px;--pad-x:24px;
  }
}
@media screen and (max-width:639px){
  :root{
    --fs-h1:34px;--fs-h2:26px;--fs-h3:20px;--fs-h4:17px;--fs-body:16px;
    --fs-small:13px;--sp-section:56px;--pad-x:18px;
  }
}

/* ===== reset / base ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:var(--fs-body);
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);}
h1{font-size:var(--fs-h1);font-weight:800;line-height:1.15;letter-spacing:-.02em;}
h2{font-size:var(--fs-h2);font-weight:700;line-height:1.2;letter-spacing:-.01em;}
h3{font-size:var(--fs-h3);font-weight:600;line-height:1.35;}
h4{font-size:var(--fs-h4);font-weight:600;line-height:1.45;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
::selection{background:rgba(31,169,140,.22);}

/* ===== container ===== */
.grid-container{
  max-width:1200px;
  margin-left:auto;margin-right:auto;
  padding-left:var(--pad-x);padding-right:var(--pad-x);
  width:100%;
}
@media screen and (min-width:1440px){.grid-container{max-width:1280px;}}

/* ===== 通用文字 ===== */
.section{padding-top:var(--sp-section);padding-bottom:var(--sp-section);}
.section-title{margin-bottom:16px;}
.section-desc{max-width:720px;color:var(--ink-2);font-size:var(--fs-body);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.center{text-align:center;}
.center + .section-desc{margin-left:auto;margin-right:auto;text-align:center;}

/* ===== 徽章 ===== */
.badge{
  display:inline-flex;align-items:center;
  font-size:var(--fs-micro);line-height:1;
  padding:6px 12px;border-radius:999px;
  background:rgba(18,67,58,.08);color:var(--brand);
  font-weight:500;letter-spacing:.02em;white-space:nowrap;
}
.badge-accent{background:rgba(242,103,58,.12);color:#C2431B;}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--ink-2);}

/* ===== 按钮 ===== */
.button,
button.button{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 28px;margin:0;
  border-radius:var(--r-btn);border:none;
  font-size:16px;font-weight:600;line-height:1;
  background:var(--action);color:#fff;
  cursor:pointer;
  transition:background .12s ease,transform .12s ease,box-shadow .12s ease,color .12s ease;
  box-shadow:var(--sh-sm);
}
.button:hover{background:var(--action-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);}
.button:active{transform:translateY(0);box-shadow:var(--sh-sm);}
.btn-lg{height:52px;padding:0 32px;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.btn-ghost{
  background:transparent;color:#fff;
  border:1.5px solid rgba(255,255,255,.55);
  box-shadow:none;
}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);border-color:#fff;}
.btn-outline{
  background:transparent;color:var(--brand);
  border:1.5px solid var(--brand);box-shadow:none;
}
.btn-outline:hover{background:rgba(18,67,58,.08);color:var(--brand);transform:translateY(-2px);}
.text-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:500;color:var(--brand);
  padding-bottom:2px;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:var(--accent);transition:width .2s ease;
}
.text-link:hover{color:var(--accent);}
.text-link:hover::after{width:100%;}
.text-link .arrow{transition:transform .2s ease;}
.text-link:hover .arrow{transform:translateX(4px);}

/* ===== 导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:76px;display:flex;align-items:center;
  background:rgba(247,246,242,.86);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:height .2s ease,border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{height:60px;border-bottom-color:var(--line);box-shadow:var(--sh-sm);}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:24px;
  width:100%;
}
.nav-left{display:flex;align-items:center;gap:32px;justify-self:start;}
.nav-right{display:flex;align-items:center;gap:32px;justify-self:end;}
.nav-link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--ink);
  padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;
  width:0;height:2px;border-radius:2px;background:var(--brand);
  transform:translateX(-50%);
  transition:width .2s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{width:60%;}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{width:60%;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  justify-self:center;color:var(--ink);
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:32px;height:32px;border-radius:8px;
  background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;line-height:1;
  letter-spacing:-.02em;
}
.brand-text{
  font-size:20px;font-weight:700;letter-spacing:-.01em;
  color:var(--brand);white-space:nowrap;
}
.nav-cta{margin-left:8px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  padding:0;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--brand);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:fixed;top:0;left:0;right:0;bottom:0;z-index:55;
  background:var(--bg);
  padding:96px var(--pad-x) 32px;
  flex-direction:column;justify-content:space-between;
  opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;
}
.mobile-panel.is-open{opacity:1;visibility:visible;}
.mobile-panel nav{display:flex;flex-direction:column;}
.mobile-panel nav a{
  font-size:18px;font-weight:500;color:var(--ink);
  padding:16px 0;border-bottom:1px solid var(--line);
}
.mobile-panel nav a.is-active{color:var(--brand);font-weight:600;}
.mobile-panel .button{margin-top:24px;}

/* ===== Hero ===== */
.hero{
  position:relative;
  margin-top:76px;
  min-height:72vh;
  display:flex;align-items:center;
  overflow:hidden;
  padding:80px 0;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center right;
  z-index:0;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(12,46,40,.94) 0%,rgba(12,46,40,.88) 38%,rgba(12,46,40,.55) 65%,rgba(12,46,40,.18) 100%);
}
.hero-inner{position:relative;z-index:1;width:100%;}
.hero-copy{color:#fff;padding-right:8px;}
.hero-copy h1{color:#fff;margin:20px 0 18px;max-width:14em;}
.hero-sub{
  color:rgba(255,255,255,.86);
  font-size:18px;line-height:1.7;
  max-width:32em;margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-facts{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:var(--fs-small);color:rgba(255,255,255,.72);
}
.hero-facts .sep{width:1px;height:12px;background:rgba(255,255,255,.3);display:inline-block;}
.hero-card{
  background:#fff;
  border-radius:20px;
  padding:28px;
  box-shadow:var(--sh-lg);
  color:var(--ink);
}
.card-kicker{font-size:var(--fs-micro);letter-spacing:.14em;color:var(--ink-3);text-transform:uppercase;margin-bottom:10px;}
.card-title{font-size:24px;font-weight:700;line-height:1.35;margin-bottom:12px;}
.card-time{font-size:var(--fs-small);color:var(--ink-2);margin-bottom:16px;}
.hero-card .badge{margin-bottom:20px;}
.hero-card .button{margin-top:22px;}

/* 等宽数字 */
.num,.cd-num,.stat-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* Hero 入场 */
.hero-copy > *, .hero-card > *{opacity:0;transform:translateY(16px);animation:riseIn .3s cubic-bezier(.2,.7,.3,1) forwards;}
.hero-copy > *:nth-child(1){animation-delay:.05s;}
.hero-copy > *:nth-child(2){animation-delay:.11s;}
.hero-copy > *:nth-child(3){animation-delay:.17s;}
.hero-copy > *:nth-child(4){animation-delay:.23s;}
.hero-copy > *:nth-child(5){animation-delay:.29s;}
.hero-card > *:nth-child(1){animation-delay:.16s;}
.hero-card > *:nth-child(2){animation-delay:.22s;}
.hero-card > *:nth-child(3){animation-delay:.28s;}
.hero-card > *:nth-child(4){animation-delay:.34s;}
.hero-card > *:nth-child(5){animation-delay:.40s;}
.hero-card > *:nth-child(6){animation-delay:.46s;}
@keyframes riseIn{to{opacity:1;transform:translateY(0);}}

/* ===== 倒计时条 ===== */
.countdown-bar{
  background:var(--bg-2);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.bar-inner{
  min-height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding-top:10px;padding-bottom:10px;
}
.bar-left{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.bar-text{font-size:var(--fs-small);color:var(--ink-2);}
.bar-right{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.cd-unit{display:flex;flex-direction:column;align-items:center;gap:4px;}
.cd-num{
  width:44px;height:44px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);
  color:var(--action);
  font-size:22px;font-weight:700;line-height:1;
  transition:transform .16s ease;
}
.cd-num.tick{animation:tickPop .16s ease;}
@keyframes tickPop{0%{transform:scale(1.08);}100%{transform:scale(1);}}
.cd-label{font-size:11px;color:var(--ink-3);line-height:1;}

/* ===== 活动卖点（编号编辑流） ===== */
.spot-list{max-width:880px;border-top:1px solid var(--line);}
.spot-item{
  display:flex;gap:0;
  padding:28px 0;
  border-bottom:1px solid var(--line);
}
.spot-no{
  flex:0 0 88px;
  font-size:40px;font-weight:800;line-height:1;
  color:rgba(18,67,58,.2);
  font-variant-numeric:tabular-nums;
}
.spot-body{flex:1 1 auto;max-width:640px;padding-top:4px;}
.spot-body h3{margin-bottom:10px;}
.spot-body p{color:var(--ink-2);font-size:16px;}

/* ===== 图墙 ===== */
.gallery{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  grid-auto-rows:1fr;
  gap:20px;
}
.gallery-item{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  aspect-ratio:4/3;
  background:var(--bg-2);
}
.gallery-item:first-child{grid-column:span 2;grid-row:span 2;aspect-ratio:auto;}
.gallery-item img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .34s cubic-bezier(.2,.7,.3,1);
}
.gallery-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,46,40,0) 40%,rgba(12,46,40,.55) 100%);
  opacity:0;transition:opacity .34s ease;
}
.gallery-tag{
  position:absolute;left:16px;bottom:16px;
  padding:6px 12px;border-radius:999px;
  background:rgba(255,255,255,.94);color:var(--brand);
  font-size:var(--fs-micro);font-weight:600;
  transition:transform .34s ease;
}
.gallery-item:hover img{transform:scale(1.04);}
.gallery-item:hover .gallery-mask{opacity:1;}
.gallery-item:hover .gallery-tag{transform:translateY(-4px);}

/* ===== 表单深色带 ===== */
.signup-band{
  background:linear-gradient(115deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;
}
.signup-band h2{color:#fff;}
.signup-band .signup-desc{color:rgba(255,255,255,.78);font-size:16px;}
.signup-band .badge{background:rgba(255,255,255,.14);color:#fff;margin-bottom:16px;}
.signup-form{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-lg);padding:24px;}
.signup-form label{
  display:block;font-size:13px;color:rgba(255,255,255,.72);
  margin-bottom:8px;font-weight:500;
}
.signup-form input,
.signup-form select{
  width:100%;height:52px;
  padding:0 16px;margin-bottom:18px;
  border-radius:var(--r-btn);border:1px solid transparent;
  background:#fff;color:var(--ink);
  font-size:16px;
  transition:border-color .15s ease,box-shadow .15s ease;
}
.signup-form select{appearance:none;-webkit-appearance:none;}
.signup-form input:focus,
.signup-form select:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(18,67,58,.12);
}
.signup-form .button{margin-top:6px;}
.form-note{font-size:13px;color:rgba(255,255,255,.62);margin-top:14px;}

/* ===== FAQ ===== */
.faq-wrap{max-width:860px;margin-left:auto;margin-right:auto;}
.faq-accordion{border:none;background:transparent;border-top:1px solid var(--line);}
.faq-accordion .accordion-item{border:none;border-bottom:1px solid var(--line);background:transparent;}
.faq-accordion .accordion-title{
  display:flex;align-items:center;gap:16px;
  padding:22px 0;border:none;background:transparent;
  font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-accordion .accordion-title:hover{background:transparent;color:var(--brand);}
.faq-accordion .accordion-title::before{display:none;}
.faq-no{font-size:14px;font-weight:700;color:var(--ink-3);font-variant-numeric:tabular-nums;flex:0 0 28px;}
.faq-q{flex:1 1 auto;min-height:24px;line-height:1.5;}
.faq-icon{
  flex:0 0 24px;width:24px;height:24px;position:relative;
  transition:transform .24s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);
  transform:translate(-50%,-50%);border-radius:2px;
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.accordion-item.is-active .faq-icon{transform:rotate(45deg);}
.faq-accordion .accordion-content{
  padding:0 0 24px 44px;
  border:none;background:transparent;
  color:var(--ink-2);font-size:15px;line-height:1.85;
  opacity:0;
  transition:opacity .24s ease;
}
.faq-accordion .accordion-content.is-active{opacity:1;}

/* ===== 最新信息（CMS） ===== */
.news-grid{margin-bottom:-24px;}
.news-col{madding-bottom:24px;margin-bottom:24px;}
.news-item{
  display:flex;gap:16px;align-items:flex-start;
  padding-bottom:24px;border-bottom:1px solid var(--line);
  min-height:132px;
}
.news-item:hover .news-title a{color:var(--accent);}
.news-thumb{
  flex:0 0 160px;width:160px;height:110px;
  border-radius:12px;overflow:hidden;background:var(--bg-2);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .34s ease;}
.news-item:hover .news-thumb img{transform:scale(1.04);}
.news-body{flex:1 1 auto;min-width:0;}
.news-title{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:8px;}
.news-title a{color:var(--ink);}
.news-summary{
  color:var(--ink-2);font-size:14px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;margin-bottom:10px;min-height:2.8em;
}
.news-meta{display:flex;align-items:center;gap:12px;font-size:var(--fs-micro);color:var(--ink-3);}
.empty-state{
  text-align:center;padding:48px 24px;
  border:1px dashed var(--line);border-radius:var(--r-card);
  background:var(--bg-2);
  max-width:640px;margin:0 auto;
}
.empty-state svg{width:32px;height:32px;stroke:var(--ink-3);fill:none;stroke-width:1.5;margin-bottom:14px;}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:14px;}

/* ===== 规则提示 CTA ===== */
.rule-cta{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:32px 36px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
}
.rule-cta h2{font-size:24px;margin-bottom:8px;}
.rule-cta p{color:var(--ink-2);font-size:15px;}

/* ===== CTA 深色带 ===== */
.cta-band{
  background:var(--brand-deep);
  padding:80px 0;
}
.cta-band .cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band h2{color:#fff;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.76);font-size:16px;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--brand-deep);
  color:rgba(255,255,255,.78);
  padding:72px 0 0;
  font-size:14px;
  border-top:1px solid rgba(255,255,255,.12);
}
.footer-grid{padding-bottom:48px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);}
.footer-brand .brand-text{color:#fff;}
.footer-intro{color:rgba(255,255,255,.66);font-size:14px;line-height:1.8;max-width:280px;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{color:rgba(255,255,255,.78);font-size:14px;transition:color .2s ease,transform .2s ease;}
.footer-links a:hover{color:var(--accent);transform:translateX(2px);}
.footer-contact p{margin-bottom:10px;color:rgba(255,255,255,.7);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:24px 0 32px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.56);
}

/* ===== 滚动入场 ===== */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .3s cubic-bezier(.2,.7,.3,1),transform .3s cubic-bezier(.2,.7,.3,1);}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* ===== 响应式 ===== */
@media screen and (max-width:1023px){
  .nav-left,.nav-right .nav-link,.nav-right .nav-cta{display:none;}
  .nav-toggle{display:flex;justify-self:end;}
  .header-inner{grid-template-columns:1fr auto 1fr;}
  .mobile-panel{display:flex;}
  .hero{padding:56px 0;}
  .hero-copy{padding-right:0;margin-bottom:36px;}
  .hero-copy h1{max-width:none;}
  .gallery{grid-template-columns:repeat(2,1fr);}
  .gallery-item:first-child{grid-column:span 2;grid-row:auto;aspect-ratio:16/9;}
  .gallery-item{aspect-ratio:4/3;}
  .cta-band .cta-inner{flex-direction:column;align-items:flex-start;}
  .signup-form{margin-top:28px;}
}
@media screen and (max-width:767px){
  .bar-inner{flex-direction:column;align-items:flex-start;gap:12px;padding-top:14px;padding-bottom:14px;}
  .bar-right{width:100%;justify-content:space-between;}
  .cd-num{width:36px;height:36px;font-size:19px;}
  .news-item{flex-direction:column;}
  .news-thumb{width:100%;flex:0 0 auto;height:170px;}
  .rule-cta{flex-direction:column;align-items:flex-start;padding:26px 22px;}
  .signup-form{padding:20px;}
  .signup-form .button{width:100%;}
  .cta-band{padding:56px 0;}
  .footer-bottom{flex-direction:column;}
}
@media screen and (max-width:639px){
  .gallery{grid-template-columns:1fr;}
  .gallery-item:first-child{grid-column:auto;aspect-ratio:4/3;}
  .spot-item{flex-direction:column;gap:8px;padding:24px 0;}
  .spot-no{flex:0 0 auto;font-size:30px;}
  .spot-body{max-width:none;}
  .hero-actions .button{width:100%;}
  .hero-facts{font-size:13px;gap:10px;}
  .faq-accordion .accordion-content{padding-left:28px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;}
  .reveal{opacity:1;transform:none;}
  .hero-copy > *,.hero-card > *{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --primary:#12433A;
  --primary-deep:#0C2E28;
  --accent:#1FA98C;
  --action:#F2673A;
  --bg:#F7F6F2;
  --bg-alt:#EFF0EA;
  --text:#15211E;
  --text-sub:#5B6864;
  --text-weak:#8D9793;
  --line:#E3E1DA;
  --white:#FFFFFF;
  --r-card:16px;
  --r-lg:24px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(18,67,58,.06);
  --sh-md:0 8px 24px -12px rgba(18,67,58,.18);
  --sh-lg:0 24px 48px -24px rgba(18,67,58,.25);
  --sp-1:8px;--sp-2:12px;--sp-3:16px;--sp-4:24px;--sp-5:32px;--sp-6:48px;--sp-7:64px;--sp-8:96px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

/* 容器 */
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;margin-left:auto;margin-right:auto;}
@media (min-width:1440px){.grid-container{max-width:1280px;}}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:height .2s ease,box-shadow .2s ease;
}
.nav-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  height:76px;
}
.nav-left{display:flex;align-items:center;gap:32px;}
.nav-right{display:flex;align-items:center;gap:24px;justify-content:flex-end;}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;left:50%;bottom:0;
  width:0;height:2px;background:var(--primary);
  transform:translateX(-50%);
  transition:width .2s ease;
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{width:60%;}
.nav-link.is-active{color:var(--primary);font-weight:600;}
.nav-link.is-active::after{width:60%;}
.nav-brand{display:flex;align-items:center;gap:10px;justify-self:center;}
.brand-mark{
  width:32px;height:32px;
  border-radius:8px;
  background:var(--primary);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;
  flex:0 0 32px;
}
.brand-text{
  font-size:20px;font-weight:700;letter-spacing:-.01em;color:var(--primary);
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:var(--r-btn);
  cursor:pointer;
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;left:10px;
  width:22px;height:2px;background:var(--primary);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span{top:21px;}
.nav-toggle span::before{top:-7px;left:0;}
.nav-toggle span::after{top:7px;left:0;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span::after{transform:translateY(-7px) rotate(-45deg);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;
  height:48px;padding:0 28px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background-color .12s ease,transform .12s ease,box-shadow .12s ease,color .12s ease,border-color .12s ease;
}
.btn-primary{background:var(--action);color:#fff;box-shadow:var(--sh-sm);}
.btn-primary:hover{background:#DE5A2E;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-sm);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:rgba(18,67,58,.08);color:var(--primary);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-lg{height:52px;padding:0 32px;font-size:16px;}
.btn-block{width:100%;}

.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--primary);
  position:relative;
}
.link-more .arrow{transition:transform .2s ease;}
.link-more::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;
  background:var(--primary);transition:width .2s ease;
}
.link-more:hover{color:var(--accent);}
.link-more:hover::after{width:100%;background:var(--accent);}
.link-more:hover .arrow{transform:translateX(4px);}

/* 面包屑 */
.breadcrumb-wrap{background:var(--bg-alt);border-bottom:1px solid var(--line);}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:18px 0;
  font-size:14px;color:var(--text-sub);
}
.breadcrumb a{color:var(--text-sub);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:var(--text-weak);}
.breadcrumb .current{color:var(--text);font-weight:600;max-width:22em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* 文章头部 */
.article-head{padding:56px 0 0;}
.article-head-inner{max-width:880px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:4px 10px;border-radius:var(--r-pill);
  background:rgba(18,67,58,.08);color:var(--primary);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.article-title{
  font-size:36px;font-weight:800;line-height:1.28;letter-spacing:-.02em;
  color:var(--text);margin:18px 0 0;
  overflow-wrap:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:20px;padding-bottom:22px;
  border-bottom:1px solid var(--line);
  font-size:14px;color:var(--text-sub);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-weak);}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;
  background:rgba(18,67,58,.08);color:var(--primary);
}
.badge-warm{background:rgba(242,103,58,.12);color:#C9481F;}

/* 正文布局 */
.article-main{padding:48px 0 96px;}
.article-layout{align-items:flex-start;}
.article-col{min-width:0;}
.article-body{
  max-width:780px;
  font-size:17px;line-height:1.9;color:var(--text);
  overflow-wrap:break-word;
}
.article-body > *{max-width:100%;}
.article-body p{margin:0 0 1.2em;color:var(--text);}
.article-body h2{
  font-size:24px;font-weight:700;line-height:1.4;
  margin:40px 0 16px;
  padding-left:12px;
  border-left:4px solid var(--primary);
  color:var(--primary);
}
.article-body h3{font-size:20px;font-weight:600;line-height:1.5;margin:32px 0 12px;color:var(--text);}
.article-body h4{font-size:18px;font-weight:600;margin:24px 0 10px;}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 1.2em;}
.article-body ul li{position:relative;padding-left:16px;margin-bottom:8px;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:6px;height:6px;background:var(--primary);border-radius:1px;
}
.article-body ol{counter-reset:ord;}
.article-body ol li{position:relative;padding-left:18px;margin-bottom:8px;counter-increment:ord;}
.article-body ol li::before{
  content:counter(ord) ".";
  position:absolute;left:-4px;top:0;color:var(--primary);font-weight:600;font-size:15px;
}
.article-body blockquote{
  border-left:3px solid var(--primary);
  background:rgba(18,67,58,.05);
  padding:18px 20px;
  margin:0 0 1.4em;
  color:var(--text-sub);
  border-radius:0 12px 12px 0;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:24px 0 8px;}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  font-size:13px;color:var(--text-weak);text-align:center;margin-top:8px;
}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 1.4em;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.article-body th{background:var(--bg-alt);font-weight:600;}
.article-body a{text-decoration:underline;text-underline-offset:3px;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0;}

/* 侧栏 */
.aside-col{min-width:0;}
.aside-stack{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.aside-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-sm);
}
.aside-title{
  font-size:15px;font-weight:700;color:var(--primary);
  padding-bottom:14px;margin-bottom:14px;border-bottom:1px solid var(--line);
}
.aside-links{display:flex;flex-direction:column;gap:12px;}
.aside-links a{
  display:flex;align-items:center;gap:8px;
  font-size:15px;color:var(--text);
}
.aside-links a::before{content:"";width:6px;height:6px;background:var(--accent);border-radius:50%;flex:0 0 6px;}
.aside-links a:hover{color:var(--accent);}
.aside-rel{display:flex;flex-direction:column;gap:14px;}
.aside-rel a{
  display:flex;gap:12px;align-items:flex-start;
  color:var(--text);font-size:15px;line-height:1.6;
}
.aside-rel a:hover{color:var(--accent);}
.aside-rel .thumb{
  width:72px;height:56px;border-radius:10px;overflow:hidden;flex:0 0 72px;background:var(--bg-alt);
}
.aside-rel .thumb img{width:100%;height:100%;object-fit:cover;}
.aside-note{font-size:13px;color:var(--text-weak);line-height:1.7;margin-top:12px;}

/* 相关推荐 */
.rel-section{padding:0 0 88px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.sec-title{font-size:28px;font-weight:700;line-height:1.3;color:var(--text);}
.sec-sub{font-size:15px;color:var(--text-sub);margin-top:8px;}
.rel-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-sm);height:100%;
  transition:transform .34s ease,box-shadow .34s ease,border-color .34s ease;
  display:flex;flex-direction:column;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(18,67,58,.3);}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .34s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.rel-body h3{font-size:18px;font-weight:600;line-height:1.5;color:var(--text);}
.rel-body p{font-size:14px;color:var(--text-sub);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-weak);
}

/* 上下篇 */
.post-nav{padding:0 0 96px;}
.post-nav-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.post-nav-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-sm);
  transition:transform .34s ease,box-shadow .34s ease,border-color .34s ease;
}
.post-nav-item:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(18,67,58,.3);}
.post-nav-item .label{font-size:12px;font-weight:600;color:var(--accent);letter-spacing:.04em;}
.post-nav-item h3{font-size:17px;font-weight:600;line-height:1.55;color:var(--text);margin-top:8px;}
.post-nav-item.is-next{text-align:right;}
.post-nav-actions{display:flex;justify-content:center;margin-top:32px;}

/* 空态 */
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 32px;text-align:center;max-width:780px;
}
.empty-state .empty-icon{
  width:48px;height:48px;margin:0 auto 18px;
  border-radius:14px;border:1.5px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-weak);font-size:20px;font-weight:700;
}
.empty-state h2{font-size:22px;font-weight:700;color:var(--text);}
.empty-state p{font-size:15px;color:var(--text-sub);margin-top:10px;}

/* CTA 条 */
.cta-band{
  background:linear-gradient(120deg,var(--primary),var(--primary-deep));
  color:#fff;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:64px 0;
}
.cta-inner h2{font-size:28px;font-weight:700;line-height:1.35;color:#fff;}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.78);margin-top:10px;max-width:44ch;}

/* 页脚 */
.site-footer{background:var(--primary-deep);color:rgba(255,255,255,.78);}
.footer-grid{padding:64px 0 40px;row-gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);}
.footer-brand .brand-text{color:#fff;}
.footer-intro{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:32ch;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{color:rgba(255,255,255,.78);font-size:14px;transition:color .2s ease,transform .2s ease;}
.footer-links a:hover{color:var(--accent);transform:translateX(2px);}
.footer-contact p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.16);
  padding:22px 0 32px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .3s cubic-bezier(.2,.7,.3,1),transform .3s cubic-bezier(.2,.7,.3,1);}
.reveal.is-in{opacity:1;transform:none;}

/* 移动端面板 */
.mobile-panel{
  display:none;
  position:fixed;inset:0;z-index:70;
  background:rgba(247,246,242,.99);
  padding:88px 18px 24px;
  flex-direction:column;
}
.mobile-panel.is-open{display:flex;}
.mobile-panel a{
  display:block;font-size:18px;font-weight:500;color:var(--text);
  padding:16px 0;border-bottom:1px solid var(--line);
}
.mobile-panel a.is-active{color:var(--primary);font-weight:600;}
.mobile-panel .panel-cta{margin-top:auto;padding-top:24px;border:none;}
.mobile-panel a.panel-cta{color:#fff;}

/* 响应式 */
@media (min-width:1280px){
  .article-body{max-width:100%;}
}
@media (max-width:1279px){
  .aside-stack{position:static;margin-top:40px;}
}
@media (max-width:1023px){
  .grid-container{padding-left:24px;padding-right:24px;}
  .nav-left,.nav-right .nav-link{display:none;}
  .nav-right{gap:12px;}
  .nav-toggle{display:block;}
  .nav-inner{grid-template-columns:1fr auto 1fr;}
  .nav-left{display:none;}
  .article-title{font-size:30px;}
  .rel-section{padding-bottom:72px;}
  .post-nav{padding-bottom:72px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .grid-container{padding-left:18px;padding-right:18px;}
  .article-head{padding-top:36px;}
  .article-main{padding:36px 0 64px;}
  .article-title{font-size:26px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:56px 0;gap:20px;}
  .post-nav-grid{grid-template-columns:1fr;}
  .post-nav-item.is-next{text-align:left;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .article-title{font-size:24px;}
  .article-meta{gap:10px;font-size:13px;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .empty-state{padding:40px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .reveal{transform:none !important;opacity:1 !important;}
  .btn:hover,.rel-card:hover,.post-nav-item:hover{transform:none !important;}
}

/* roulang page: category1 */
:root{
  --c-primary:#12433A;
  --c-primary-deep:#0C2E28;
  --c-accent:#1FA98C;
  --c-action:#F2673A;
  --c-action-hover:#DC5628;
  --c-bg:#F7F6F2;
  --c-bg-alt:#EFF0EA;
  --c-white:#FFFFFF;
  --c-text:#15211E;
  --c-text-sub:#5B6864;
  --c-text-mute:#8D9793;
  --c-border:#E3E1DA;
  --r-sm:10px;
  --r-card:16px;
  --r-lg:24px;
  --r-img:16px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(18,67,58,.06);
  --sh-md:0 8px 24px -12px rgba(18,67,58,.18);
  --sh-lg:0 24px 48px -24px rgba(18,67,58,.25);
  --sec-y:96px;
  --font-sans:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*,*::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:17px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{font-family:var(--font-sans);color:var(--c-text);margin:0;letter-spacing:-0.01em;}
h1{font-size:44px;font-weight:800;line-height:1.15;letter-spacing:-0.02em;}
h2{font-size:32px;font-weight:700;line-height:1.2;}
h3{font-size:22px;font-weight:600;line-height:1.35;}
h4{font-size:18px;font-weight:600;line-height:1.4;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
img{max-width:100%;display:block;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent);}
button{font-family:var(--font-sans);}
input,textarea,select{font-family:var(--font-sans);}
::selection{background:rgba(31,169,140,.22);}

/* Foundation 覆盖 */
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;}
.grid-x.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-x.grid-margin-x>.cell{margin-left:12px;margin-right:12px;width:calc(100% - 24px);}
.button{
  background-color:var(--c-primary);
  border-radius:var(--r-sm);
  font-family:var(--font-sans);
  font-weight:600;
  color:#fff;
  transition:background-color .12s ease,color .12s ease;
}
.button:hover,.button:focus{background-color:var(--c-primary-deep);color:#fff;}
.button.hollow{border:1.5px solid var(--c-primary);background:transparent;color:var(--c-primary);}
.button.hollow:hover{background:rgba(18,67,58,.08);color:var(--c-primary);}
.accordion{border:0;background:transparent;margin:0;}
.accordion-title{border:0;background:transparent;}
.accordion-title:hover{background:transparent;}
.accordion-content{border:0;background:transparent;}

/* 头部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:70;
  background:rgba(247,246,242,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,background-color .2s ease;
}
.site-header.is-compact{background:rgba(255,255,255,.95);border-bottom-color:var(--c-border);}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  height:76px;
  transition:height .2s ease;
}
.site-header.is-compact .header-inner{height:60px;}
.nav-left{display:flex;align-items:center;gap:32px;}
.nav-right{display:flex;align-items:center;gap:32px;justify-content:flex-end;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  font-weight:500;
  color:var(--c-text);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:0;
  width:0;
  height:2px;
  background:var(--c-primary);
  transform:translateX(-50%);
  transition:width .2s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after,.nav-link.is-active::after{width:60%;}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  justify-self:center;
  color:var(--c-primary);
}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  width:32px;
  height:32px;
  border-radius:8px;
  background:var(--c-primary);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:17px;
  font-weight:700;
  line-height:1;
}
.brand-text{font-size:20px;font-weight:700;letter-spacing:-0.01em;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  border:0;
  background:transparent;
  cursor:pointer;
  padding:0;
}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--c-primary);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 移动面板 */
.mobile-panel{
  position:fixed;
  inset:0;
  z-index:65;
  background:var(--c-bg);
  padding:92px 18px 32px;
  display:flex;
  flex-direction:column;
  transform:translateY(-100%);
  visibility:hidden;
  transition:transform .28s cubic-bezier(.2,.7,.3,1),visibility .28s ease;
  overflow-y:auto;
}
.mobile-panel.is-open{transform:translateY(0);visibility:visible;}
.mobile-panel a.mobile-link{
  display:block;
  font-size:18px;
  font-weight:500;
  color:var(--c-text);
  padding:16px 0;
  border-bottom:1px solid var(--c-border);
  opacity:0;
  transform:translateY(8px);
  transition:opacity .3s ease,transform .3s ease,color .2s ease;
}
.mobile-panel.is-open a.mobile-link{opacity:1;transform:translateY(0);}
.mobile-panel a.mobile-link.is-active{color:var(--c-primary);font-weight:600;}
.mobile-panel .mobile-cta{margin-top:28px;}
.mobile-panel .mobile-cta .btn{width:100%;}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border:0;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  white-space:nowrap;
  transition:background-color .12s ease,color .12s ease,transform .12s ease,box-shadow .12s ease,border-color .12s ease;
}
.btn-primary{background:var(--c-action);color:#fff;box-shadow:var(--sh-sm);}
.btn-primary:hover{background:var(--c-action-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-sm);}
.btn-ghost{background:transparent;color:var(--c-primary);border:1.5px solid var(--c-primary);}
.btn-ghost:hover{background:rgba(18,67,58,.08);color:var(--c-primary);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-lg{height:52px;padding:0 32px;font-size:16px;}
.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--c-primary);
  position:relative;
}
.text-link .arrow{transition:transform .2s ease;}
.text-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-3px;
  width:0;
  height:1.5px;
  background:var(--c-accent);
  transition:width .2s ease;
}
.text-link:hover{color:var(--c-accent);}
.text-link:hover::after{width:100%;}
.text-link:hover .arrow{transform:translateX(4px);}

/* 徽章 */
.badge{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  line-height:1.6;
  background:rgba(18,67,58,.08);
  color:var(--c-primary);
}
.badge-light{background:rgba(255,255,255,.16);color:#fff;}
.badge-accent{background:rgba(242,103,58,.12);color:#C6471F;}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:0.08em;
  color:var(--c-accent);
  margin-bottom:12px;
}

/* 分类头图 */
.cat-hero{
  position:relative;
  background-image:linear-gradient(115deg,rgba(12,46,40,.90) 0%,rgba(18,67,58,.74) 60%,rgba(18,67,58,.62) 100%),url(/assets/images/backpic/back-1.png);
  background-size:cover;
  background-position:center;
  color:#fff;
}
.cat-hero-inner{
  min-height:200px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:44px 0;
  max-width:760px;
}
.cat-hero h1{color:#fff;font-size:40px;margin:14px 0 12px;letter-spacing:-0.02em;}
.cat-lead{color:rgba(255,255,255,.86);font-size:16px;line-height:1.8;margin:0;}

/* 区块 */
.section{padding:var(--sec-y) 0;}
.section-alt{background:var(--c-bg-alt);}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--c-text-sub);font-size:16px;margin:0;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* 图文块 */
.split-media{
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--sh-md);
  background:var(--c-bg-alt);
  aspect-ratio:4/3;
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-copy h2{margin-bottom:18px;}
.split-copy p{color:var(--c-text-sub);max-width:640px;}
.check-list{margin-top:24px;display:grid;gap:12px;}
.check-list li{
  position:relative;
  padding-left:22px;
  font-size:16px;
  color:var(--c-text);
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:12px;
  width:8px;
  height:8px;
  border-radius:2px;
  background:var(--c-accent);
}

/* 要点条 */
.stat-bar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--c-border);
  border-bottom:1px solid var(--c-border);
}
.stat-item{
  padding:32px 24px;
  border-left:1px solid var(--c-border);
  text-align:left;
}
.stat-item:first-child{border-left:0;}
.stat-num{
  display:block;
  font-size:32px;
  font-weight:700;
  line-height:1.2;
  color:var(--c-primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:-0.02em;
}
.stat-label{
  display:block;
  margin-top:8px;
  font-size:14px;
  color:var(--c-text-sub);
  line-height:1.7;
}

/* 卡片 */
.card-grid{margin-top:8px;}
.card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--c-white);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  overflow:hidden;
  transition:border-color .34s ease,box-shadow .34s ease,transform .34s ease;
}
.card:hover{
  border-color:rgba(18,67,58,.3);
  box-shadow:var(--sh-md);
  transform:translateY(-4px);
}
.card-media{aspect-ratio:3/2;overflow:hidden;background:var(--c-bg-alt);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .34s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:19px;margin-bottom:12px;}
.card-body .card-text{
  color:var(--c-text-sub);
  font-size:15px;
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:20px;
}
.card-meta{
  margin-top:auto;
  padding-top:16px;
  border-top:1px solid var(--c-border);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--c-text-mute);
}

/* FAQ */
.faq-accordion{max-width:860px;margin:0 auto;border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);}
.faq-accordion .accordion-item{border-bottom:1px solid var(--c-border);}
.faq-accordion .accordion-item:last-child{border-bottom:0;}
.faq-accordion .accordion-title{
  display:flex;
  align-items:center;
  gap:18px;
  width:100%;
  padding:22px 0;
  font-size:17px;
  font-weight:600;
  color:var(--c-text);
  line-height:1.6;
  transition:color .24s ease;
}
.faq-accordion .accordion-title:hover{color:var(--c-primary);}
.faq-accordion .accordion-title::before{content:"";display:none;}
.faq-accordion .accordion-title::after{
  content:"";
  flex:0 0 16px;
  width:16px;
  height:16px;
  margin-left:auto;
  background-image:linear-gradient(var(--c-primary),var(--c-primary)),linear-gradient(var(--c-primary),var(--c-primary));
  background-size:16px 1.5px,1.5px 16px;
  background-position:center,center;
  background-repeat:no-repeat;
  transition:transform .24s ease;
}
.faq-accordion .accordion-title[aria-expanded="true"]::after{transform:rotate(45deg);}
.faq-num{
  flex:0 0 32px;
  font-size:14px;
  font-weight:600;
  color:var(--c-text-mute);
  font-variant-numeric:tabular-nums;
}
.faq-accordion .accordion-content{
  padding:0 0 24px 50px;
  border:0;
  background:transparent;
  color:var(--c-text-sub);
  font-size:15px;
  line-height:1.85;
}

/* CTA 深色带 */
.cta-band{
  background:linear-gradient(120deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);
  color:#fff;
  padding:80px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.78);font-size:16px;margin:0;}

/* 页脚 */
.site-footer{
  background:linear-gradient(180deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);
  color:rgba(255,255,255,.78);
  padding:64px 0 32px;
  font-size:15px;
}
.footer-grid{gargin-bottom:0;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:#fff;color:var(--c-primary);}
.footer-brand .brand-text{color:#fff;font-size:20px;font-weight:700;letter-spacing:-0.01em;}
.footer-intro{color:rgba(255,255,255,.72);font-size:14px;line-height:1.8;margin:0;}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin:0 0 18px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{
  color:rgba(255,255,255,.78);
  font-size:14px;
  transition:color .2s ease,transform .2s ease;
}
.footer-links a:hover{color:var(--c-accent);transform:translateX(2px);}
.footer-contact p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.8;margin:0 0 10px;}
.footer-contact p:last-child{margin-bottom:0;}
.footer-bottom{
  margin-top:48px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.16);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.footer-bottom p{color:rgba(255,255,255,.6);font-size:13px;margin:0;}

/* 入场动画 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .3s cubic-bezier(.2,.7,.3,1),transform .3s cubic-bezier(.2,.7,.3,1);}
.reveal.is-visible{opacity:1;transform:translateY(0);}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important;}
  .reveal{transform:none;opacity:0;transition:opacity .3s linear !important;}
  .reveal.is-visible{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* 平板 */
@media (max-width:1023px){
  :root{--sec-y:72px;}
  .grid-container{padding-left:24px;padding-right:24px;}
  h1{font-size:34px;}
  h2{font-size:26px;}
  h3{font-size:20px;}
  .cat-hero h1{font-size:32px;}
  .nav-left{display:none;}
  .nav-right .nav-link{display:none;}
  .nav-right .btn{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{grid-template-columns:44px 1fr 44px;}
  .nav-right{justify-content:flex-end;gap:0;}
  .brand{justify-self:center;}
  .stat-bar{grid-template-columns:repeat(2,1fr);}
  .stat-item{padding:24px 20px;border-top:1px solid var(--c-border);}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-top:0;}
  .stat-item:nth-child(odd){border-left:0;}
  .split-media{margin-bottom:32px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-band h2{font-size:26px;}
}
@media (min-width:1024px){
  .mobile-panel{display:none;}
}
@media (min-width:1440px){
  .grid-container{max-width:1280px;}
}

/* 手机 */
@media (max-width:639px){
  :root{--sec-y:56px;}
  .grid-container{padding-left:18px;padding-right:18px;}
  body{font-size:16px;line-height:1.8;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .cat-hero-inner{min-height:0;padding:36px 0;}
  .cat-hero h1{font-size:27px;}
  .cat-lead{font-size:15px;}
  .section-head{margin-bottom:32px;}
  .stat-bar{grid-template-columns:1fr;}
  .stat-item{border-left:0;border-top:1px solid var(--c-border);}
  .stat-item:first-child{border-top:0;}
  .card-body{padding:20px;}
  .faq-accordion .accordion-content{padding-left:0;}
  .cta-band{padding:56px 0;}
  .cta-band h2{font-size:22px;}
  .cta-inner .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --brand:#12433A;
  --brand-deep:#0C2E28;
  --accent:#1FA98C;
  --action:#F2673A;
  --action-dark:#DE5628;
  --bg:#F7F6F2;
  --bg-alt:#EFF0EA;
  --ink:#15211E;
  --ink-2:#5B6864;
  --ink-3:#8D9793;
  --line:#E3E1DA;
  --white:#FFFFFF;
  --r-card:16px;
  --r-lg:24px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(18,67,58,.06);
  --sh-md:0 8px 24px -12px rgba(18,67,58,.18);
  --sh-lg:0 24px 48px -24px rgba(18,67,58,.25);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--accent);}
button{font-family:inherit;}
table{border-collapse:collapse;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* ---------- 容器与栅格 ---------- */
.grid-container{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;width:100%;}
@media screen and (min-width:1440px){
  .grid-container{max-width:1280px;}
}
@media screen and (max-width:1023px){
  .grid-container{padding-left:24px;padding-right:24px;}
}
@media screen and (max-width:639px){
  .grid-container{padding-left:18px;padding-right:18px;}
}
.grid-x{display:flex;flex-flow:row wrap;}
.cell{flex:0 0 auto;min-width:0;}

/* ---------- 通用排版 ---------- */
h1{font-size:56px;font-weight:800;line-height:1.15;letter-spacing:-.02em;}
h2{font-size:40px;font-weight:700;line-height:1.2;letter-spacing:-.01em;}
h3{font-size:24px;font-weight:600;line-height:1.35;}
h4{font-size:18px;font-weight:600;line-height:1.5;}
p{max-width:720px;}
.lead{font-size:18px;color:var(--ink-2);line-height:1.8;max-width:720px;}
.muted{color:var(--ink-2);}
.small{font-size:14px;line-height:1.7;color:var(--ink-2);}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--brand);background:rgba(18,67,58,.08);
  border-radius:var(--r-pill);padding:4px 10px;margin-bottom:18px;
}
.badge{
  display:inline-block;font-size:12px;line-height:1.4;font-weight:600;
  padding:4px 10px;border-radius:var(--r-pill);
  background:rgba(18,67,58,.08);color:var(--brand);
}
.badge.is-live{background:rgba(242,103,58,.12);color:var(--action);}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 按钮 ---------- */
.button{font-family:var(--font-cn);border-radius:var(--r-btn);}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 28px;border:0;border-radius:var(--r-btn);
  background:var(--action);color:#fff;font-size:16px;font-weight:600;
  letter-spacing:.01em;transition:background .12s var(--ease),transform .12s var(--ease),box-shadow .12s var(--ease);
}
.btn-primary:hover,.btn-primary:focus{background:var(--action-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:none;box-shadow:var(--sh-sm);}
.btn-primary.btn-lg{height:52px;padding:0 32px;}
.btn-primary.btn-sm{height:40px;padding:0 20px;font-size:15px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;border:1.5px solid var(--brand);border-radius:var(--r-btn);
  background:transparent;color:var(--brand);font-size:16px;font-weight:600;
  transition:background .12s var(--ease),color .12s var(--ease),transform .12s var(--ease);
}
.btn-ghost:hover{background:rgba(18,67,58,.08);color:var(--brand);transform:translateY(-2px);}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:16px;font-weight:600;color:var(--brand);position:relative;
}
.link-arrow span.arw{transition:transform .2s var(--ease);}
.link-arrow::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;
  background:currentColor;transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.link-arrow:hover{color:var(--accent);}
.link-arrow:hover::after{transform:scaleX(1);}
.link-arrow:hover span.arw{transform:translateX(4px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,242,.9);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  background:rgba(255,255,255,.92);
}
.nav-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  height:76px;transition:height .2s var(--ease);
}
.site-header.is-scrolled .nav-inner{height:60px;}
.nav-left,.nav-right{display:flex;align-items:center;gap:32px;}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink);
  padding:6px 0;line-height:1.4;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:20%;right:20%;bottom:0;height:2px;
  background:var(--brand);transform:scaleX(0);
  transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center;}
.brand-mark{
  width:32px;height:32px;border-radius:8px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;
}
.brand-text{font-size:20px;font-weight:700;letter-spacing:-.01em;color:var(--brand);white-space:nowrap;}
.hamburger{
  display:none;width:44px;height:44px;border:0;background:transparent;
  padding:10px;cursor:pointer;justify-self:end;
}
.hamburger i{display:block;height:2px;background:var(--brand);border-radius:2px;margin:5px 0;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.hamburger.is-open i:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.is-open i:nth-child(2){opacity:0;}
.hamburger.is-open i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-panel{
  display:none;position:fixed;left:0;right:0;top:0;bottom:0;z-index:55;
  background:var(--bg);padding:96px 18px 24px;
  overflow-y:auto;
}
.mobile-panel.is-open{display:flex;flex-direction:column;}
.mobile-panel .mobile-link{
  display:block;font-size:18px;font-weight:500;color:var(--ink);
  padding:16px 0;border-bottom:1px solid var(--line);
  opacity:0;transform:translateY(-8px);
}
.mobile-panel.is-open .mobile-link{animation:mIn .3s var(--ease) forwards;}
.mobile-panel .mobile-link.is-active{color:var(--brand);font-weight:600;}
.mobile-panel .mobile-cta{margin-top:auto;width:100%;}
@keyframes mIn{to{opacity:1;transform:none;}}

/* ---------- 页面标题区 ---------- */
.page-head{padding:72px 0 40px;}
.title-block{border-left:4px solid var(--brand);padding-left:20px;margin-bottom:28px;}
.title-block h1{margin-bottom:14px;}
.title-block .lead{margin-bottom:0;}
.head-meta{
  display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;
  font-size:14px;color:var(--ink-3);margin-top:22px;
}
.head-meta span{display:inline-flex;align-items:center;gap:8px;}
.head-meta span::before{content:"";width:6px;height:6px;background:var(--accent);border-radius:1px;}

/* ---------- 要点条 ---------- */
.fact-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  margin-top:44px;
}
.fact{padding:26px 24px 26px 0;}
.fact + .fact{border-left:1px solid var(--line);padding-left:24px;}
.fact-num{font-size:32px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2;letter-spacing:-.01em;}
.fact-label{font-size:14px;color:var(--ink-2);margin-top:6px;line-height:1.6;}

/* ---------- 板块 ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{margin-bottom:44px;max-width:760px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--ink-2);}
.section-alt .section-head h2{color:var(--brand);}

/* ---------- 时间线 ---------- */
.timeline-wrap{max-width:960px;}
.timeline{position:relative;}
.tl-item{position:relative;padding:0 0 44px 38px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:5px;top:22px;bottom:-8px;width:1px;background:var(--line);
}
.tl-item:last-child::before{display:none;}
.tl-dot{
  position:absolute;left:0;top:6px;width:12px;height:12px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 4px rgba(31,169,140,.14);
}
.tl-step{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--accent);margin-bottom:6px;font-variant-numeric:tabular-nums;
}
.tl-item h3{margin-bottom:10px;color:var(--ink);}
.tl-item p{color:var(--ink-2);font-size:16px;line-height:1.85;max-width:680px;}
.tl-figure{
  margin-top:22px;max-width:760px;aspect-ratio:16/9;border-radius:var(--r-card);
  overflow:hidden;background:var(--bg-alt);box-shadow:var(--sh-sm);
}
.tl-figure img{width:100%;height:100%;object-fit:cover;}

/* ---------- 图文块 ---------- */
.media-block{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
.media-figure{aspect-ratio:4/3;border-radius:20px;overflow:hidden;background:var(--bg-alt);box-shadow:var(--sh-md);}
.media-figure img{width:100%;height:100%;object-fit:cover;}
.prep-list{list-style:none;margin:0;padding:0;}
.prep-list li{
  position:relative;padding:16px 0 16px 22px;
  border-bottom:1px solid var(--line);color:var(--ink-2);font-size:16px;line-height:1.8;
}
.prep-list li:first-child{border-top:1px solid var(--line);}
.prep-list li::before{
  content:"";position:absolute;left:0;top:26px;width:6px;height:6px;background:var(--accent);border-radius:1px;
}
.prep-list li strong{color:var(--ink);font-weight:600;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion{background:transparent;border:0;max-width:860px;margin:0 auto;}
.accordion-item{border:0;border-top:1px solid var(--line);background:transparent;}
.accordion-item:last-child{border-bottom:1px solid var(--line);}
.accordion-title{
  display:flex;align-items:center;gap:16px;
  font-family:var(--font-cn);font-size:17px;font-weight:600;color:var(--ink);
  background:transparent;border:0;padding:24px 48px 24px 0;
  position:relative;line-height:1.6;transition:color .24s var(--ease);
}
.accordion-title:hover,.accordion-title:focus{background:transparent;color:var(--brand);}
.accordion-title .acc-num{
  font-size:14px;font-weight:700;color:var(--ink-3);
  font-variant-numeric:tabular-nums;letter-spacing:.04em;flex:0 0 28px;
}
.accordion-title::before{
  content:"+";position:absolute;right:6px;top:50%;
  transform:translateY(-50%);transform-origin:center;
  font-size:24px;font-weight:400;color:var(--brand);line-height:1;
  transition:transform .24s var(--ease);
}
.accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(45deg);}
.accordion-content{
  padding:0 48px 24px 44px;background:transparent;border:0;
  font-size:15px;line-height:1.85;color:var(--ink-2);
}
.accordion-content p{max-width:660px;}

/* ---------- CTA 深色带 ---------- */
.cta-band{
  background:linear-gradient(160deg,var(--brand) 0%,var(--brand-deep) 100%);
  padding:80px 0;color:rgba(247,246,242,.9);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;}
.cta-band h2{color:#fff;font-size:32px;margin-bottom:10px;}
.cta-band p{color:rgba(247,246,242,.78);max-width:520px;font-size:16px;margin:0;}
.cta-band .link-arrow{color:#fff;white-space:nowrap;}
.cta-band .link-arrow:hover{color:var(--accent);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-deep);color:rgba(247,246,242,.78);
  padding:64px 0 28px;font-size:15px;
}
.footer-grid{margin-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(247,246,242,.14);color:#fff;}
.footer-brand .brand-text{color:#fff;}
.footer-intro{color:rgba(247,246,242,.7);font-size:14px;line-height:1.8;max-width:300px;margin:0;}
.footer-title{color:#fff;font-size:14px;font-weight:600;letter-spacing:.04em;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a,.footer-contact p{color:rgba(247,246,242,.78);font-size:14px;line-height:1.7;margin:0;}
.footer-links a:hover{color:var(--accent);transform:translateX(2px);}
.footer-links a{transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block;}
.footer-contact p{margin-bottom:8px;}
.footer-bottom{
  border-top:1px solid rgba(247,246,242,.16);padding-top:22px;
  display:flex;flex-wrap:wrap;gap:8px 32px;justify-content:space-between;
}
.footer-bottom p{color:rgba(247,246,242,.6);font-size:13px;margin:0;max-width:none;}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .3s var(--ease),transform .3s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{transform:none;transition:opacity .3s linear;}
  .btn-primary:hover,.btn-ghost:hover{transform:none;}
  .link-arrow:hover span.arw{transform:none;}
  .mobile-panel.is-open .mobile-link{animation:none;opacity:1;transform:none;}
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  h1{font-size:40px;}
  h2{font-size:30px;}
  h3{font-size:21px;}
  .section{padding:72px 0;}
  .page-head{padding:56px 0 32px;}
  .nav-left,.nav-right .nav-link,.nav-right .btn-primary{display:none;}
  .hamburger{display:block;}
  .nav-inner{grid-template-columns:1fr auto 1fr;}
  .media-block{grid-template-columns:1fr;gap:32px;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:28px;}
  .cta-band{padding:64px 0;}
  .cta-band h2{font-size:26px;}
}
@media screen and (max-width:767px){
  .fact-bar{grid-template-columns:1fr 1fr;}
  .fact{padding:20px 16px 20px 0;}
  .fact + .fact{padding-left:16px;}
  .fact:nth-child(3){border-left:0;padding-left:0;}
  .fact:nth-child(3),.fact:nth-child(4){border-top:1px solid var(--line);}
  .fact-num{font-size:26px;}
}
@media screen and (max-width:639px){
  h1{font-size:34px;}
  h2{font-size:26px;}
  h3{font-size:20px;}
  body{font-size:16px;}
  .section{padding:56px 0;}
  .page-head{padding:44px 0 24px;}
  .title-block{padding-left:16px;}
  .fact-bar{grid-template-columns:1fr;}
  .fact{border-left:0;padding-left:0;}
  .fact + .fact{border-left:0;border-top:1px solid var(--line);padding-left:0;}
  .fact:nth-child(3){border-left:0;}
  .tl-item{padding-left:30px;}
  .accordion-title{font-size:16px;padding:20px 40px 20px 0;}
  .accordion-content{padding:0 0 20px 44px;}
  .cta-band{padding:56px 0;}
  .footer-grid{margin-bottom:32px;}
}