/* roulang page: index */
/* ===================== 设计变量 ===================== */
:root{
  --c-primary:#0F5C4E;
  --c-primary-d:#0A4238;
  --c-primary-l:#E4F1EC;
  --c-accent:#FF6B4A;
  --c-accent-d:#E04E2E;
  --c-yellow:#F2C14E;
  --c-bg:#F7F6F2;
  --c-card:#FFFFFF;
  --c-dark:#0E2B26;
  --t-1:#17201D;
  --t-2:#4A5A55;
  --t-3:#7C8B86;
  --line:#E3E6E1;
  --danger:#D94A3D;
  --r-panel:20px;
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,40,34,.04),0 8px 24px rgba(16,40,34,.05);
  --sh-2:0 12px 32px rgba(16,40,34,.10);
  --sh-3:0 6px 20px rgba(16,40,34,.08);
  --sp-8:8px;--sp-12:12px;--sp-16:16px;--sp-24:24px;--sp-32:32px;--sp-48:48px;--sp-64:64px;--sp-96:96px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}

/* ===================== 基础重置 ===================== */
*,*::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(--t-1);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-d);}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,p,figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
svg{display:block;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}

/* ===================== 布局容器 ===================== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:var(--sp-96) 0;}
.section-tight{padding:var(--sp-64) 0;}

/* ===================== 通用标题 ===================== */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-24);margin-bottom:var(--sp-48);flex-wrap:wrap;}
.sec-title{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;position:relative;padding-left:16px;color:var(--t-1);}
.sec-title::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--c-primary);}
.sec-desc{margin-top:14px;font-size:15px;line-height:1.8;color:var(--t-2);max-width:64ch;padding-left:16px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500;color:var(--c-primary);border-bottom:1px solid transparent;padding-bottom:2px;transition:all .18s ease;white-space:nowrap;}
.link-more::after{content:"→";transition:transform .18s ease;}
.link-more:hover{border-bottom-color:var(--c-primary);}
.link-more:hover::after{transform:translateX(3px);}

/* ===================== 按钮体系 ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--r-btn);
  font-weight:500;line-height:1;cursor:pointer;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  text-align:center;
}
.btn-l{height:48px;padding:0 26px;font-size:16px;}
.btn-m{height:40px;padding:0 20px;font-size:15px;}
.btn-s{height:36px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(255,107,74,.22);}
.btn-primary:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-l);color:var(--c-primary-d);transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-dark{background:var(--c-primary);color:#fff;}
.btn-dark:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;color:inherit;border-color:rgba(255,255,255,.5);}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);color:#fff;transform:translateY(-1px);}
.btn:disabled,.btn.is-disabled{filter:grayscale(1);opacity:.4;cursor:not-allowed;}

/* ===================== 标签 / 徽章 ===================== */
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.02em;line-height:1;font-weight:500;}
.badge-soft{background:var(--c-primary-l);color:var(--c-primary);}
.badge-solid{background:var(--c-primary);color:#fff;}
.badge-line{border:1px solid var(--c-yellow);color:#8a6a13;background:rgba(242,193,78,.14);}

/* ===================== 吸顶头部 ===================== */
.site-head{position:sticky;top:0;z-index:80;background:var(--c-bg);padding-bottom:10px;}

/* 倒计时条 */
.topbar{background:var(--c-dark);color:#DCE9E4;}
.topbar-inner{display:flex;align-items:center;gap:var(--sp-16);height:38px;font-size:13px;}
.topbar-label{color:#9DB3AC;white-space:nowrap;}
.countdown{display:inline-flex;align-items:center;gap:2px;font-variant-numeric:tabular-nums;color:var(--c-yellow);}
.countdown i{font-style:normal;font-size:12px;color:#9DB3AC;margin:0 4px 0 1px;}
.cd-num{font-weight:700;font-size:14px;letter-spacing:.02em;}
.topbar-link{margin-left:auto;color:#DCE9E4;font-size:13px;text-decoration:underline;text-underline-offset:4px;}
.topbar-link:hover{color:#fff;}

/* 卡片化导航面板 */
.navpanel{
  display:flex;align-items:center;gap:var(--sp-12);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);
  padding:10px;box-shadow:var(--sh-3);margin-top:10px;
}
.brand{display:flex;align-items:center;gap:10px;padding:0 6px 0 4px;flex:0 0 auto;}
.brand-mark{width:36px;height:36px;border-radius:11px;background:var(--c-primary);display:flex;align-items:center;justify-content:center;flex:0 0 auto;}
.brand-mark svg{width:20px;height:20px;}
.brand-name{font-size:17px;font-weight:700;color:var(--t-1);letter-spacing:.01em;white-space:nowrap;}
.navlinks{display:flex;align-items:center;gap:6px;margin-left:auto;}
.navlink{position:relative;display:inline-flex;align-items:center;padding:9px 14px;border-radius:var(--r-btn);font-size:15px;color:var(--t-2);white-space:nowrap;transition:background-color .18s ease,color .18s ease;}
.navlink:hover{background:var(--c-primary-l);color:var(--c-primary);}
.navlink.is-active{background:var(--c-primary-l);color:var(--c-primary);font-weight:500;padding-left:18px;}
.navlink.is-active::before{content:"";position:absolute;left:7px;top:50%;transform:translateY(-50%);width:3px;height:16px;border-radius:2px;background:var(--c-primary);}
.nav-cta{margin-left:6px;flex:0 0 auto;}
.hamburger{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);cursor:pointer;align-items:center;justify-content:center;}
.hamburger span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:2px;position:relative;}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-primary);border-radius:2px;}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}

/* 移动端抽屉 */
.drawer{position:fixed;inset:0;z-index:120;display:none;background:rgba(14,43,38,.5);}
.drawer.is-open{display:block;}
.drawer-panel{background:#fff;margin:12px;border-radius:var(--r-panel);padding:var(--sp-16);box-shadow:var(--sh-2);max-height:calc(100vh - 24px);overflow:auto;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:4px 4px 14px;border-bottom:1px solid var(--line);margin-bottom:14px;}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);font-size:20px;line-height:1;cursor:pointer;color:var(--t-2);}
.drawer-link{display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:var(--r-btn);color:var(--t-2);font-size:16px;border-left:3px solid transparent;}
.drawer-link:hover{background:var(--c-primary-l);color:var(--c-primary);}
.drawer-link.is-active{background:var(--c-primary-l);color:var(--c-primary);border-left-color:var(--c-primary);font-weight:500;}
.drawer-cta{margin-top:14px;display:block;width:100%;}

/* ===================== 首屏 Hero ===================== */
.hero{padding:var(--sp-64) 0 var(--sp-96);}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:var(--sp-48);align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:var(--r-pill);background:var(--c-primary-l);color:var(--c-primary);font-size:13px;letter-spacing:.02em;font-weight:500;}
.hero h1{font-size:clamp(28px,4.4vw,44px);line-height:1.25;font-weight:700;margin-top:var(--sp-16);letter-spacing:-.01em;}
.hero-sub{margin-top:var(--sp-16);font-size:17px;line-height:1.8;color:var(--t-2);max-width:34ch;}
.hero-actions{display:flex;gap:var(--sp-12);margin-top:var(--sp-32);flex-wrap:wrap;}
.trust-row{display:flex;flex-wrap:wrap;gap:var(--sp-16) var(--sp-24);margin-top:var(--sp-32);}
.trust-row li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--t-2);}
.trust-row svg{width:18px;height:18px;flex:0 0 auto;}
.hero-visual{position:relative;}
.hero-main{border-radius:var(--r-panel);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--sh-1);background:var(--c-primary-l);}
.hero-main img{width:100%;height:100%;object-fit:cover;}
.hero-float{position:absolute;right:-16px;bottom:-16px;width:184px;background:#fff;border-radius:var(--r-card);padding:8px;box-shadow:var(--sh-2);border:1px solid var(--line);}
.hero-float img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:11px;}
.hero-float p{font-size:13px;line-height:1.6;color:var(--t-2);padding:10px 6px 4px;text-align:center;}

/* ===================== 步骤条 ===================== */
.steps{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-24);padding:var(--sp-48) 0;}
.step{position:relative;padding-right:var(--sp-16);}
.step-num{font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--c-accent);font-variant-numeric:tabular-nums;}
.step h3{font-size:18px;line-height:1.5;font-weight:500;margin-top:8px;}
.step p{font-size:14px;line-height:1.75;color:var(--t-2);margin-top:8px;}
.step::after{content:"";position:absolute;right:0;top:8px;bottom:8px;width:1px;background:var(--line);}
.step:last-child::after{display:none;}

/* ===================== 卖点区 ===================== */
.feature-grid{display:grid;grid-template-columns:6fr 6fr;gap:var(--sp-24);}
.card{background:var(--c-card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.feature-main{padding:var(--sp-32);display:flex;flex-direction:column;}
.feature-icon{width:48px;height:48px;border-radius:14px;background:var(--c-primary-l);display:flex;align-items:center;justify-content:center;color:var(--c-primary);}
.feature-icon svg{width:24px;height:24px;}
.feature-main h3{font-size:22px;line-height:1.45;font-weight:700;margin-top:var(--sp-24);}
.feature-main p{font-size:15px;line-height:1.85;color:var(--t-2);margin-top:var(--sp-12);}
.feature-list{margin-top:var(--sp-24);display:grid;gap:10px;}
.feature-list li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--t-2);}
.feature-list li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--c-accent);margin-top:10px;}
.feature-side{display:grid;grid-template-rows:1fr 1fr;gap:var(--sp-24);}
.feature-side .card{padding:var(--sp-24);display:flex;flex-direction:column;justify-content:center;}
.feature-side h3{font-size:19px;line-height:1.5;font-weight:500;margin-top:14px;}
.feature-side p{font-size:14px;line-height:1.8;color:var(--t-2);margin-top:8px;}
.feature-tag{font-size:12px;letter-spacing:.06em;font-weight:700;color:var(--c-yellow);background:var(--c-dark);border-radius:var(--r-pill);height:24px;display:inline-flex;align-items:center;padding:0 10px;width:fit-content;font-variant-numeric:tabular-nums;}

/* ===================== 图墙 ===================== */
.gallery{display:grid;grid-template-columns:repeat(6,1fr);gap:var(--sp-16);}
.g-item{position:relative;border-radius:var(--r-card);overflow:hidden;aspect-ratio:16/10;background:var(--c-primary-l);}
.g-item:nth-child(1),.g-item:nth-child(2){grid-column:span 3;aspect-ratio:16/9;}
.g-item:nth-child(3),.g-item:nth-child(4),.g-item:nth-child(5){grid-column:span 2;}
.g-item:nth-child(6),.g-item:nth-child(7){grid-column:span 3;aspect-ratio:16/9;}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.g-item:hover img{transform:scale(1.03);}
.g-cap{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;font-size:13px;line-height:1.5;color:#fff;background:linear-gradient(180deg,rgba(14,43,38,0) 0%,rgba(14,43,38,.78) 100%);}

/* ===================== 深色 CTA 区 ===================== */
.cta-band{background:var(--c-dark);color:#E8F1EE;}
.cta-band .container{padding-top:var(--sp-96);padding-bottom:var(--sp-96);}
.cta-grid{display:grid;grid-template-columns:6fr 6fr;gap:var(--sp-64);align-items:center;}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;color:#fff;}
.cta-band .cta-lead{margin-top:var(--sp-16);font-size:16px;line-height:1.85;color:#B9CCC6;max-width:40ch;}
.cta-list{margin-top:var(--sp-32);display:grid;gap:14px;}
.cta-list li{display:flex;gap:10px;font-size:15px;line-height:1.7;color:#DCE9E4;}
.cta-list li::before{content:"";flex:0 0 auto;width:18px;height:18px;border-radius:50%;background:rgba(242,193,78,.18);border:1px solid var(--c-yellow);margin-top:6px;}
.cta-form{background:#fff;border-radius:var(--r-panel);padding:var(--sp-32);box-shadow:var(--sh-2);color:var(--t-1);}
.form-row{display:grid;gap:8px;margin-bottom:var(--sp-16);}
.form-row label{font-size:14px;font-weight:500;color:var(--t-2);}
.form-row input{height:48px;border:1px solid var(--line);border-radius:var(--r-btn);padding:0 14px;font-size:15px;background:#fff;transition:border-color .18s ease,box-shadow .18s ease;width:100%;}
.form-row input::placeholder{color:var(--t-3);}
.form-row input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,92,78,.14);outline:none;}
.form-actions{display:flex;gap:var(--sp-12);align-items:center;flex-wrap:nowrap;margin-top:var(--sp-8);}
.form-actions .btn{flex:1 1 auto;}
.form-note{font-size:12px;line-height:1.65;color:var(--t-3);margin-top:var(--sp-12);}
.form-msg{font-size:13px;line-height:1.6;margin-top:12px;color:var(--c-primary);display:none;}
.form-msg.is-show{display:block;}
.form-msg.is-error{color:var(--danger);}

/* ===================== FAQ ===================== */
.faq-list{max-width:900px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:10px;overflow:hidden;transition:background-color .24s ease,border-color .24s ease;}
.faq-item[open]{background:var(--c-primary-l);border-color:#C9E0D8;}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-16);min-height:56px;padding:14px 20px;font-size:17px;font-weight:500;color:var(--t-1);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"＋";flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:#fff;border:1px solid var(--line);color:var(--c-primary);font-size:16px;line-height:26px;text-align:center;transition:transform .24s ease;}
.faq-item[open] summary::after{content:"－";transform:rotate(180deg);}
.faq-item .faq-answer{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--t-2);}

/* ===================== 最新信息 CMS ===================== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-24);}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-l);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:var(--sp-24);display:flex;flex-direction:column;flex:1 1 auto;}
.news-body h3{font-size:17px;line-height:1.55;font-weight:500;margin-top:var(--sp-12);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a{color:var(--t-1);}
.news-body h3 a:hover{color:var(--c-primary);}
.news-body p{font-size:14px;line-height:1.8;color:var(--t-2);margin-top:10px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:var(--sp-16);padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--t-3);}
.news-meta .link-more{font-size:13px;}
.empty-state{grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);padding:var(--sp-64) var(--sp-24);text-align:center;}
.empty-illus{width:72px;height:72px;border-radius:20px;background:var(--c-primary-l);margin:0 auto var(--sp-16);display:flex;align-items:center;justify-content:center;color:var(--c-primary);}
.empty-state p{font-size:15px;color:var(--t-2);margin-bottom:var(--sp-24);}

/* ===================== 页脚 ===================== */
.site-foot{background:var(--c-dark);color:#C6D6D0;padding-top:var(--sp-64);}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:var(--sp-48);padding-bottom:var(--sp-48);}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:var(--sp-16);}
.foot-brand .brand-mark{background:rgba(255,255,255,.10);}
.foot-brand .brand-name{color:#fff;font-size:16px;}
.foot-desc{font-size:14px;line-height:1.85;color:#9DB3AC;max-width:32ch;}
.foot-title{font-size:15px;font-weight:500;color:#fff;}
.foot-title::after{content:"";display:block;width:28px;height:2px;background:var(--c-yellow);margin-top:8px;border-radius:2px;}
.foot-list{margin-top:var(--sp-16);display:grid;gap:10px;}
.foot-list a,.foot-list span{font-size:14px;line-height:1.7;color:#9DB3AC;}
.foot-list a:hover{color:#fff;}
.foot-bottom{border-top:1px solid rgba(255,255,255,.10);padding:var(--sp-24) 0;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-16);flex-wrap:wrap;font-size:13px;color:#8AA09A;}
.foot-bottom a{color:#8AA09A;}
.foot-bottom a:hover{color:#fff;}

/* ===================== 滚动淡入 ===================== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s ease,transform .3s ease;}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
  .reveal{opacity:1;transform:none;}
  .card:hover,.news-card:hover,.btn:hover{transform:none;}
  .g-item:hover img,.news-card:hover .news-thumb img{transform:none;}
}

/* ===================== 响应式 ===================== */
@media (max-width:1199px){
  .g-item:nth-child(1),.g-item:nth-child(2),.g-item:nth-child(6),.g-item:nth-child(7){grid-column:span 3;}
  .g-item:nth-child(3),.g-item:nth-child(4),.g-item:nth-child(5){grid-column:span 2;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .section{padding:var(--sp-64) 0;}
  .navlinks,.nav-cta .btn{display:none;}
  .hamburger{display:flex;}
  .nav-cta{margin-left:auto;}
  .navpanel{justify-content:space-between;}
  .hero-grid{grid-template-columns:1fr;gap:var(--sp-48);}
  .hero-sub{max-width:none;}
  .hero{padding:var(--sp-32) 0 var(--sp-64);}
  .hero-float{right:12px;bottom:-12px;width:150px;}
  .steps-grid{grid-template-columns:repeat(2,1fr);gap:var(--sp-32);}
  .step:nth-child(2n)::after{display:none;}
  .feature-grid{grid-template-columns:1fr;}
  .feature-side{grid-template-rows:auto auto;}
  .cta-grid{grid-template-columns:1fr;gap:var(--sp-32);}
  .cta-band .container{padding-top:var(--sp-64);padding-bottom:var(--sp-64);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:var(--sp-32);}
  .gallery{grid-template-columns:repeat(2,1fr);}
  .gallery .g-item{grid-column:span 1;aspect-ratio:16/10;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .topbar-inner{font-size:12px;gap:10px;}
  .topbar-label{display:none;}
  .brand-name{font-size:15px;}
  .hero h1{font-size:clamp(24px,7vw,32px);}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{flex:1 1 auto;}
  .steps-grid{grid-template-columns:1fr;gap:var(--sp-24);}
  .step{padding-right:0;padding-bottom:var(--sp-24);border-bottom:1px solid var(--line);}
  .step:last-child{padding-bottom:0;border-bottom:0;}
  .step::after{display:none;}
  .news-grid{grid-template-columns:1fr;}
  .form-actions{flex-wrap:wrap;}
  .form-actions .btn{width:100%;flex:1 1 100%;}
  .sec-head{margin-bottom:var(--sp-32);}
  .faq-item summary{font-size:16px;padding:12px 16px;}
  .faq-item .faq-answer{padding:0 16px 16px;}
}
@media (max-width:479px){
  .gallery{grid-template-columns:1fr;}
  .g-item,.g-item:nth-child(1),.g-item:nth-child(2),.g-item:nth-child(3),.g-item:nth-child(4),.g-item:nth-child(5),.g-item:nth-child(6),.g-item:nth-child(7){grid-column:span 1;aspect-ratio:16/10;}
  .btn{width:100%;}
  .cta-form{padding:var(--sp-24) var(--sp-16);}
  .news-body{padding:var(--sp-16);}
  .hero-float{width:132px;padding:6px;}
  .hero-float p{font-size:12px;padding:8px 4px 2px;}
  .foot-grid{grid-template-columns:1fr;}
}

/* roulang page: category1 */
:root{
  --green:#0F5C4E;
  --green-d:#0A4238;
  --green-l:#E4F1EC;
  --orange:#FF6B4A;
  --orange-d:#E04E2E;
  --yellow:#F2C14E;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --dark:#0E2B26;
  --t1:#17201D;
  --t2:#4A5A55;
  --t3:#7C8B86;
  --line:#E3E6E1;
  --err:#D94A3D;
  --ok:#0F5C4E;

  --r-panel:20px;
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;

  --sh1:0 1px 2px rgba(16,40,34,.04), 0 8px 24px rgba(16,40,34,.05);
  --sh2:0 12px 32px rgba(16,40,34,.10);
  --sh3:0 6px 20px rgba(16,40,34,.08);

  --s8:8px; --s12:12px; --s16:16px; --s24:24px; --s32:32px;
  --s48:48px; --s64:64px; --s96:96px;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:'Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  font-size:17px;
  line-height:1.88;
  font-weight:400;
}
img{max-width:100%;display:block}
a{color:var(--green);text-decoration:none}
a:hover{color:var(--green-d)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--t1)}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:2px solid var(--green);outline-offset:2px;border-radius:6px}

.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 20px;
}

/* ---------- sticky header ---------- */
.sticky-head{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,246,242,.92);
  backdrop-filter:saturate(180%) blur(10px);
  -webkit-backdrop-filter:saturate(180%) blur(10px);
  padding-bottom:12px;
}
.topbar{
  background:var(--green-d);
  color:#fff;
  font-size:13px;
}
.topbar-inner{
  display:flex;
  align-items:center;
  gap:12px;
  min-height:38px;
  flex-wrap:nowrap;
}
.topbar-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#D8E8E2}
.countdown{
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum";
  font-weight:700;
  color:var(--yellow);
  letter-spacing:.04em;
  margin-left:auto;
  white-space:nowrap;
}
.topbar-link{
  color:#fff;
  text-decoration:underline;
  text-underline-offset:4px;
  white-space:nowrap;
  font-size:13px;
}
.topbar-link:hover{color:var(--yellow)}

.navcard{
  margin-top:12px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  box-shadow:var(--sh3);
  padding:10px;
  display:flex;
  align-items:center;
  gap:12px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding:6px 12px 6px 6px;
  flex:0 0 auto;
  color:var(--t1);
}
.brand:hover{color:var(--t1)}
.brand-mark{
  width:36px;height:36px;
  border-radius:12px;
  background:var(--green);
  display:flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px}
.brand-name{
  font-weight:700;
  font-size:16px;
  letter-spacing:.01em;
  white-space:nowrap;
}
.navlinks{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1 1 auto;
  min-width:0;
  overflow:hidden;
}
.navlink{
  display:inline-flex;
  align-items:center;
  padding:8px 14px;
  border-radius:var(--r-btn);
  font-size:14px;
  color:var(--t2);
  white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.navlink:hover{background:var(--green-l);color:var(--green)}
.navlink.is-active{
  background:var(--green-l);
  color:var(--green);
  font-weight:500;
  position:relative;
}
.navlink.is-active::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:3px;height:18px;
  border-radius:2px;
  background:var(--green);
}
.nav-right{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:var(--r-btn);
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--t1);
  border-radius:2px;
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t1);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.drawer{
  display:none;
  margin-top:10px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  box-shadow:var(--sh3);
  padding:12px;
}
.drawer.is-open{display:block}
.drawer .navlink{
  display:flex;
  width:100%;
  min-height:48px;
  align-items:center;
  font-size:15px;
}
.drawer .btn{width:100%;margin-top:8px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:500;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--orange);color:#fff;box-shadow:var(--sh1)}
.btn-primary:hover{background:var(--orange-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-outline{background:#fff;color:var(--green);border-color:var(--green)}
.btn-outline:hover{background:var(--green-l);color:var(--green-d);transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-1px)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--green);font-weight:500;font-size:15px;
  text-decoration:underline;text-underline-offset:4px;
}
.btn-text:hover{color:var(--green-d)}
.btn:disabled{filter:grayscale(1);opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- section basics ---------- */
.section{padding:64px 0}
.section-tight{padding:48px 0}
.section-dark{background:var(--dark);color:#fff}
.section-dark h2,.section-dark h3{color:#fff}
.section-mint{background:var(--green-l)}

.section-head{margin-bottom:32px;max-width:820px}
.section-head h2{
  font-size:clamp(22px,2.4vw,29px);
  position:relative;
  padding-left:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:.15em;
  width:4px;height:1em;
  border-radius:2px;
  background:var(--green);
}
.section-head p{margin-top:12px;color:var(--t2);font-size:16px}
.eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.02em;
  color:var(--green);
  background:var(--green-l);
  border-radius:var(--r-pill);
  padding:4px 12px;
  margin-bottom:12px;
  font-weight:500;
}
.badge-yellow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.02em;
  border:1px solid var(--yellow);
  color:#8A6A15;
  background:#FFF9E8;
  border-radius:var(--r-pill);
  padding:3px 10px;
  font-weight:500;
}

/* ---------- simple hero (category 1) ---------- */
.hero-simple{
  position:relative;
  border-radius:var(--r-panel);
  overflow:hidden;
  background:var(--dark);
  color:#fff;
  padding:64px 40px;
  margin-top:24px;
  box-shadow:var(--sh1);
}
.hero-simple::after{
  content:"";
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.26;
  z-index:0;
}
.hero-simple > *{position:relative;z-index:1}
.hero-simple h1{
  color:#fff;
  font-size:clamp(28px,4.4vw,44px);
  line-height:1.25;
  max-width:820px;
}
.hero-simple .lead{
  margin-top:16px;
  color:#D8E8E2;
  font-size:17px;
  max-width:640px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:32px;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:#B9D2CA;
  margin-bottom:16px;
  flex-wrap:wrap;
}
.crumb a{color:#B9D2CA}
.crumb a:hover{color:#fff}
.crumb span{color:#7FA39A}

/* ---------- alternating rows ---------- */
.alt-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
  padding:32px 0;
}
.alt-row + .alt-row{border-top:1px solid var(--line)}
.alt-media{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh1);
  background:#fff;
}
.alt-media .ratio{
  position:relative;
  aspect-ratio:4/3;
  overflow:hidden;
}
.alt-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .28s ease;
}
.alt-row:hover .alt-media img{transform:scale(1.03)}
.alt-row.is-reverse .alt-media{order:2}
.alt-body h3{
  font-size:20px;
  font-weight:500;
  margin-bottom:12px;
}
.alt-body p{color:var(--t2);font-size:16px}
.tick-list{margin-top:20px;display:grid;gap:12px}
.tick-list li{
  position:relative;
  padding-left:26px;
  font-size:15px;
  color:var(--t2);
  line-height:1.8;
}
.tick-list li::before{
  content:"";
  position:absolute;
  left:0;top:.62em;
  width:14px;height:8px;
  border-left:2px solid var(--green);
  border-bottom:2px solid var(--green);
  transform:rotate(-45deg);
}

/* ---------- step flow ---------- */
.flow{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  counter-reset:flow;
}
.flow-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh1);
  padding:24px;
  transition:transform .18s ease, box-shadow .18s ease;
}
.flow-item:hover{transform:translateY(-2px);box-shadow:var(--sh2)}
.flow-num{
  font-variant-numeric:tabular-nums;
  font-weight:700;
  font-size:26px;
  color:var(--yellow);
  letter-spacing:.02em;
}
.flow-item h3{font-size:18px;font-weight:500;margin:8px 0 10px}
.flow-item p{font-size:15px;color:var(--t2)}

/* ---------- data strip ---------- */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  box-shadow:var(--sh1);
  padding:32px;
}
.stat-num{
  font-size:26px;
  font-weight:700;
  color:var(--green);
  font-variant-numeric:tabular-nums;
}
.stat-label{font-size:14px;color:var(--t3);margin-top:6px}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--dark);
  color:#fff;
  border-radius:var(--r-panel);
  padding:48px 40px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.cta-band h2{color:#fff;font-size:26px;padding:0}
.cta-band h2::before{display:none}
.cta-band p{color:#B9D2CA;margin-top:12px;font-size:16px}
.form-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-card);
  padding:24px;
}
.field{margin-bottom:16px}
.field label{
  display:block;
  font-size:13px;
  color:#B9D2CA;
  margin-bottom:8px;
}
.field input,.field textarea{
  width:100%;
  height:48px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.94);
  color:var(--t1);
  font-size:15px;
  padding:0 14px;
  transition:border-color .18s ease, box-shadow .18s ease;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{
  outline:none;
  border-color:var(--green);
  box-shadow:0 0 0 3px rgba(228,241,236,.35);
}
.form-row{display:flex;gap:12px}
.form-note{font-size:12px;color:#8FAFA7;margin-top:12px;line-height:1.7}

/* ---------- faq ---------- */
.faq{display:grid;gap:10px}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh1);
  overflow:hidden;
  transition:background .18s ease, border-color .18s ease;
}
.faq-item[open]{background:var(--green-l);border-color:#CFE5DC}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:56px;
  padding:12px 24px;
  cursor:pointer;
  font-size:17px;
  font-weight:500;
  list-style:none;
  color:var(--t1);
}
.faq-q::-webkit-details-marker{display:none}
.faq-q .ind{
  flex:0 0 auto;
  width:22px;height:22px;
  position:relative;
  transition:transform .24s ease;
}
.faq-q .ind::before,
.faq-q .ind::after{
  content:"";position:absolute;background:var(--green);border-radius:2px;
}
.faq-q .ind::before{left:2px;top:10px;width:18px;height:2px}
.faq-q .ind::after{left:10px;top:2px;width:2px;height:18px}
.faq-item[open] .faq-q .ind{transform:rotate(45deg)}
.faq-a{
  padding:0 24px 20px 24px;
  color:var(--t2);
  font-size:15.5px;
  line-height:1.85;
}
.faq-a p{margin-bottom:.8em}

/* ---------- next nav bar ---------- */
.nextbar{
  margin:64px 0 0;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  box-shadow:var(--sh1);
  padding:24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.nextbar h3{font-size:18px;font-weight:500}
.nextbar p{font-size:14px;color:var(--t3);margin-top:6px}

/* ---------- footer ---------- */
.site-foot{
  background:var(--dark);
  color:#fff;
  margin-top:64px;
  padding:64px 0 24px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:32px;
}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-mark{background:var(--green)}
.brand-name-foot,.foot-brand .brand-name{
  font-weight:700;
  font-size:16px;
  color:#fff;
}
.foot-desc{color:#9FBDB5;font-size:14px;line-height:1.8;max-width:320px}
.foot-title{
  font-size:15px;
  font-weight:500;
  color:#fff;
  margin:0 0 16px;
  position:relative;
  padding-bottom:10px;
}
.foot-title::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:28px;height:2px;
  background:var(--yellow);
  border-radius:2px;
}
.foot-list{display:grid;gap:10px}
.foot-list li{font-size:14px;color:#9FBDB5}
.foot-list a{color:#9FBDB5}
.foot-list a:hover{color:#fff}
.foot-bottom{
  margin-top:48px;
  padding-top:20px;
  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:13px;
  color:#8FAFA7;
}
.foot-bottom a{color:#8FAFA7}
.foot-bottom a:hover{color:#fff}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s ease, transform .3s ease}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:991px){
  .navlinks{display:none}
  .nav-toggle{display:inline-flex}
  .hero-simple{padding:48px 28px}
  .alt-row{grid-template-columns:1fr;gap:24px}
  .alt-row.is-reverse .alt-media{order:0}
  .flow{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr;gap:20px;padding:24px}
  .cta-band{grid-template-columns:1fr;gap:32px;padding:40px 28px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  .section{padding:48px 0}
  .section-tight{padding:32px 0}
  .topbar-label{display:none}
  .countdown{margin-left:0}
  .brand-name{font-size:15px}
  .hero-simple{padding:40px 20px}
  .flow{grid-template-columns:1fr}
  .faq-q{padding:12px 18px;font-size:16px}
  .faq-a{padding:0 18px 18px 18px}
  .nextbar{padding:20px}
  .nextbar .btn{width:100%}
}
@media (max-width:479px){
  .nav-right .btn{display:none}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .stats{grid-template-columns:1fr 1fr;padding:20px}
  .form-row{flex-direction:column}
  .flow-item,.faq-item{border-radius:14px}
  .foot-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .reveal{opacity:1;transform:none}
  .alt-row:hover .alt-media img{transform:none}
}

/* roulang page: article */
:root{
  --brand:#0F5C4E;
  --brand-dark:#0A4238;
  --brand-soft:#E4F1EC;
  --accent:#FF6B4A;
  --accent-dark:#E04E2E;
  --gold:#F2C14E;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --deep:#0E2B26;
  --ink:#17201D;
  --ink-2:#4A5A55;
  --ink-3:#7C8B86;
  --line:#E3E6E1;
  --danger:#D94A3D;
  --r-panel:20px;
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(16,40,34,.04),0 8px 24px rgba(16,40,34,.05);
  --sh2:0 12px 32px rgba(16,40,34,.10);
  --sh3:0 6px 20px rgba(16,40,34,.08);
  --s1:8px;--s2:12px;--s3:16px;--s4:24px;--s5:32px;--s6:48px;--s7:64px;--s8:96px;
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-dark)}
button{font:inherit;cursor:pointer;background:none;border:0;color:inherit}
input,textarea,select{font:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:200}
.skip-link:focus{left:0;color:#fff}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}

/* ---------- sticky 头部 ---------- */
.topbar{position:sticky;top:0;z-index:60;background:var(--bg);padding-top:10px}
.countbar{background:var(--deep);color:#fff}
.countbar-inner{display:flex;align-items:center;gap:16px;min-height:40px;padding-top:6px;padding-bottom:6px;font-size:13px}
.count-label{color:rgba(255,255,255,.78);letter-spacing:.02em}
.count-clock{display:inline-flex;align-items:center;gap:2px;color:var(--gold);font-variant-numeric:tabular-nums;font-weight:700;font-size:15px}
.count-clock .num{display:inline-block;min-width:26px;text-align:center}
.count-link{margin-left:auto;color:#fff;font-size:13px;text-decoration:underline;text-underline-offset:4px}
.count-link:hover{color:var(--gold)}
.site-head{background:transparent;padding:10px 0 0}
.head-card{
  display:flex;align-items:center;gap:16px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-panel);padding:10px 14px;box-shadow:var(--sh3);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:36px;height:36px;border-radius:12px;background:var(--brand);display:inline-flex;align-items:center;justify-content:center}
.brand-mark svg{width:20px;height:20px}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.01em;white-space:nowrap}
.navlinks{display:flex;align-items:center;gap:6px;margin-left:8px}
.navlink{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--r-btn);
  font-size:14.5px;color:var(--ink-2);position:relative;
  transition:background-color .18s ease,color .18s ease;
}
.navlink:hover{background:var(--brand-soft);color:var(--brand)}
.navlink.is-active{background:var(--brand-soft);color:var(--brand);font-weight:500}
.navlink.is-active::before{content:"";position:absolute;left:4px;top:50%;transform:translateY(-50%);width:3px;height:16px;border-radius:2px;background:var(--brand)}
.head-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:4px;margin-left:auto}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .18s ease,opacity .18s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-drawer{display:none;background:var(--card);border:1px solid var(--line);border-radius:var(--r-panel);margin-top:10px;padding:10px;box-shadow:var(--sh3)}
.nav-drawer.is-open{display:block}
.nav-drawer .navlink{display:flex;width:100%;min-height:48px;font-size:15px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  border:1px solid transparent;font-size:15px;font-weight:500;line-height:1;
  white-space:nowrap;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{transform:translateY(-1px);box-shadow:var(--sh2)}
.btn:active{transform:translateY(0);box-shadow:var(--sh1)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);color:#fff}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-text{height:auto;padding:0;background:none;border:0;color:var(--brand);font-weight:500;text-decoration:underline;text-underline-offset:4px}
.btn-text:hover{transform:none;box-shadow:none;color:var(--brand-dark)}
.btn[disabled]{opacity:.4;filter:grayscale(1);cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12.5px;letter-spacing:.02em;line-height:1}
.badge-soft{background:var(--brand-soft);color:var(--brand)}
.badge-solid{background:var(--brand);color:#fff}
.badge-line{border:1px solid var(--gold);color:#8A6A12;background:rgba(242,193,78,.14)}

/* ---------- 面包屑 ---------- */
.page-band{background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);border-bottom:1px solid var(--line);padding:20px 0}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);white-space:nowrap;overflow:hidden}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:#C3CCC7}
.crumb-current{display:inline-block;max-width:52vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-2)}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:var(--s6);align-items:start;
  padding-top:var(--s6);padding-bottom:var(--s7);
}
.article-main{min-width:0}
.post-head{padding-bottom:var(--s4);border-bottom:1px solid var(--line)}
.post-title{font-size:clamp(26px,3.4vw,38px);line-height:1.3;margin-top:var(--s3);color:var(--ink)}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;margin-top:var(--s3);font-size:13.5px;color:var(--ink-3)}
.post-meta span{display:inline-flex;align-items:center;gap:6px}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:#C3CCC7}
.post-body{margin-top:var(--s5)}
.prose{font-size:16.5px;line-height:1.9;color:var(--ink-2);max-width:800px}
.prose > * + *{margin-top:1.1em}
.prose h1,.prose h2{font-size:25px;line-height:1.4;color:var(--ink);margin-top:1.7em;padding-left:14px;position:relative}
.prose h1::before,.prose h2::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:.95em;border-radius:2px;background:var(--brand)}
.prose h3{font-size:19px;color:var(--ink);margin-top:1.5em;font-weight:500}
.prose h4{font-size:17px;color:var(--ink);margin-top:1.3em;font-weight:500}
.prose ul li{position:relative;padding-left:22px;margin-top:.55em}
.prose ul li::before{content:"";position:absolute;left:6px;top:.75em;width:6px;height:6px;border-radius:50%;background:var(--brand)}
.prose ol{list-style:decimal;padding-left:24px}
.prose ol li{margin-top:.55em}
.prose blockquote{margin:1.5em 0;padding:16px 20px;background:var(--brand-soft);border-left:4px solid var(--brand);border-radius:0 12px 12px 0;color:var(--ink-2)}
.prose blockquote p{margin:0}
.prose img{border-radius:var(--r-card);border:1px solid var(--line);margin:1.5em 0}
.prose figure{margin:1.5em 0}
.prose figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px}
.prose table{width:100%;border-collapse:collapse;font-size:15px;display:block;overflow-x:auto;margin:1.5em 0}
.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap}
.prose th{background:var(--brand-soft);color:var(--ink);font-weight:500}
.prose strong{color:var(--ink);font-weight:700}
.prose a{text-decoration:underline;text-underline-offset:3px}
.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.post-foot{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:var(--s5);padding-top:var(--s4);border-top:1px solid var(--line)}

.empty-state{
  max-width:800px;text-align:center;padding:var(--s6) var(--s4);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh1);
}
.empty-plate{width:96px;height:96px;margin:0 auto var(--s4);border-radius:24px;background:var(--brand-soft);display:flex;align-items:center;justify-content:center}
.empty-plate svg{width:44px;height:44px}
.empty-state h2{font-size:20px;color:var(--ink)}
.empty-state p{margin-top:10px;color:var(--ink-2);font-size:15px}
.empty-state .btn{margin-top:var(--s4)}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:var(--s4);position:sticky;top:132px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh1)}
.side-title{font-size:15px;font-weight:500;color:var(--ink);display:flex;align-items:center;gap:8px;margin-bottom:var(--s3)}
.side-title::before{content:"";width:14px;height:3px;border-radius:2px;background:var(--gold)}
.side-list li + li{margin-top:6px}
.side-link{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:44px;padding:8px 12px;border-radius:var(--r-btn);font-size:14.5px;color:var(--ink-2);transition:background-color .18s ease,color .18s ease}
.side-link:hover{background:var(--brand-soft);color:var(--brand)}
.side-link .arrow{color:var(--ink-3);font-size:13px}
.side-link:hover .arrow{color:var(--brand)}
.side-note{font-size:13px;line-height:1.7;color:var(--ink-3);margin-top:var(--s2)}
.side-deep{background:var(--deep);border-color:var(--deep);color:#fff;box-shadow:var(--sh2)}
.side-deep .side-title{color:#fff}
.side-deep p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.78)}
.side-deep .btn{margin-top:var(--s4);width:100%}

/* ---------- 相关推荐 ---------- */
.rel-section{padding-bottom:var(--s7)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:var(--s5)}
.section-title{font-size:clamp(22px,2.6vw,28px);color:var(--ink);position:relative;padding-left:14px}
.section-title::before{content:"";position:absolute;left:0;top:.24em;width:4px;height:.95em;border-radius:2px;background:var(--brand)}
.section-desc{font-size:14.5px;color:var(--ink-3);margin-top:8px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--s4)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh1);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh2)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px}
.card-cat{display:inline-flex;height:24px;align-items:center;padding:0 10px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand);font-size:12.5px;letter-spacing:.02em}
.card-title{font-size:17px;font-weight:500;color:var(--ink);margin-top:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-title a{color:var(--ink)}
.card-title a:hover{color:var(--brand)}
.card-text{font-size:14px;line-height:1.75;color:var(--ink-2);margin-top:8px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:16px;font-size:13px;color:var(--ink-3)}

/* ---------- 下一步 / CTA ---------- */
.next-band{background:var(--deep);color:#fff;border-radius:var(--r-panel);padding:var(--s6);display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:var(--s5);align-items:center;margin-bottom:var(--s7)}
.next-band h2{font-size:clamp(22px,2.6vw,28px);color:#fff}
.next-band p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.78);max-width:520px}
.next-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.next-list li{display:flex;gap:12px;font-size:14.5px;color:rgba(255,255,255,.82);padding:10px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.next-list li:last-child{border-bottom:0}
.next-list .idx{color:var(--gold);font-weight:700;font-variant-numeric:tabular-nums}

/* ---------- FAQ ---------- */
.faq-section{padding-bottom:var(--s7)}
.faq-list{display:grid;gap:10px;max-width:900px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh1);overflow:hidden;transition:background-color .18s ease,border-color .18s ease}
.faq-item.is-open{background:var(--brand-soft);border-color:#CFE4DC}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;min-height:56px;padding:14px 20px;text-align:left;font-size:17px;font-weight:500;color:var(--ink)}
.faq-icon{flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--brand);color:var(--brand);display:inline-flex;align-items:center;justify-content:center;font-size:16px;line-height:1;transition:transform .24s ease}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--deep);color:#fff;margin-top:var(--s7);padding:var(--s7) 0 var(--s4)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:var(--s5)}
.foot-brand{display:flex;align-items:center;gap:10px}
.foot-brand .brand-mark{background:rgba(255,255,255,.12)}
.foot-brand .brand-name{color:#fff;font-size:17px}
.foot-desc{margin-top:14px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:320px}
.foot-title{font-size:15px;font-weight:500;color:#fff;display:inline-block;padding-bottom:8px;border-bottom:2px solid var(--gold);margin-bottom:var(--s3)}
.foot-list li{font-size:14px;color:rgba(255,255,255,.68);padding:5px 0}
.foot-list a{color:rgba(255,255,255,.78)}
.foot-list a:hover{color:var(--gold)}
.foot-bottom{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-top:var(--s6);padding-top:var(--s4);border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:rgba(255,255,255,.6)}
.foot-bottom a{color:rgba(255,255,255,.72)}
.foot-bottom a:hover{color:var(--gold)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s ease,transform .3s ease}
.reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
  .card:hover,.card:hover .card-media img,.btn:hover{transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:var(--s5)}
}
@media (max-width:991px){
  .navlinks{display:none}
  .head-actions{display:none}
  .nav-toggle{display:flex}
  .article-layout{grid-template-columns:minmax(0,1fr);padding-top:var(--s5)}
  .article-side{position:static;flex-direction:column}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .next-band{grid-template-columns:minmax(0,1fr);padding:var(--s5)}
  .next-actions{justify-content:flex-start}
  .foot-grid{grid-template-columns:1fr 1fr;gap:var(--s5)}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .topbar{padding-top:8px}
  .count-label{display:none}
  .count-link{margin-left:auto}
  .brand-name{font-size:15.5px;white-space:normal;line-height:1.2;max-width:150px}
  .article-layout{padding-bottom:var(--s6)}
  .crumb-current{max-width:40vw}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .prose{font-size:16px;max-width:none}
  .prose h1,.prose h2{font-size:21px}
  .next-band{border-radius:var(--r-card)}
  .foot-grid{grid-template-columns:minmax(0,1fr)}
  .section-head{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  .btn{width:100%}
  .btn-sm{width:auto}
  .post-foot{flex-direction:column;align-items:stretch}
  .next-actions{flex-direction:column}
  .next-actions .btn{width:100%}
  .card-body{padding:16px}
  .side-card{padding:16px}
  .faq-q{font-size:15.5px;padding:12px 16px}
  .faq-a-inner{padding:0 16px 16px}
}

/* roulang page: category2 */
:root{
  --brand:#0F5C4E;
  --brand-dark:#0A4238;
  --brand-soft:#E4F1EC;
  --brand-line:#CFE3DB;
  --accent:#FF6B4A;
  --accent-dark:#E04E2E;
  --amber:#F2C14E;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --dark:#0E2B26;
  --text:#17201D;
  --text-2:#4A5A55;
  --text-3:#7C8B86;
  --line:#E3E6E1;
  --danger:#D94A3D;
  --r-panel:20px;
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(16,40,34,.04),0 8px 24px rgba(16,40,34,.05);
  --sh2:0 12px 32px rgba(16,40,34,.10);
  --sh3:0 6px 20px rgba(16,40,34,.08);
  --sp1:8px;
  --sp2:12px;
  --sp3:16px;
  --sp4:24px;
  --sp5:32px;
  --sp6:48px;
  --sp7:64px;
  --sp8:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color 180ms ease}
a:hover{color:var(--brand-dark)}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
h1,h2,h3{line-height:1.35;font-weight:700}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- 顶部倒计时条 ---------- */
.site-head{position:sticky;top:0;z-index:80}
.topbar{background:var(--dark);color:rgba(255,255,255,.86);font-size:13px;min-height:40px;display:flex;align-items:center}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.cd{display:flex;align-items:center;gap:10px;min-width:0}
.cd-label{color:rgba(255,255,255,.7);white-space:nowrap}
.cd-clock{display:flex;align-items:center;gap:2px;font-variant-numeric:tabular-nums}
.cd-num{color:var(--amber);font-weight:700;letter-spacing:.02em}
.cd-sep{color:rgba(255,255,255,.45)}
.topbar-link{color:#fff;border-bottom:1px solid rgba(255,255,255,.5);padding-bottom:2px;white-space:nowrap}
.topbar-link:hover{color:var(--amber);border-color:var(--amber)}

/* ---------- 导航卡片面板 ---------- */
.navwrap{background:rgba(247,246,242,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding:10px 0 12px}
.navcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r-panel);box-shadow:var(--sh3);padding:10px;display:flex;align-items:center;gap:12px}
.brand{display:flex;align-items:center;gap:10px;padding:0 8px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--brand);display:grid;place-items:center;flex:0 0 auto}
.brand-mark svg{width:20px;height:20px}
.brand-name{font-weight:700;font-size:17px;color:var(--text);white-space:nowrap;letter-spacing:.01em}
.navlinks{display:flex;align-items:center;gap:6px;flex:1 1 auto;min-width:0}
.navlink{position:relative;padding:9px 14px;border-radius:12px;font-size:15px;color:var(--text-2);white-space:nowrap;transition:background 180ms ease,color 180ms ease}
.navlink:hover{background:var(--brand-soft);color:var(--brand)}
.navlink.is-active{background:var(--brand-soft);color:var(--brand);font-weight:500;padding-left:18px}
.navlink.is-active::before{content:"";position:absolute;left:6px;top:50%;width:3px;height:18px;border-radius:2px;background:var(--brand);transform:translateY(-50%)}
.nav-cta{flex:0 0 auto}
.nav-burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);place-items:center;background:#fff}
.nav-burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.nav-burger span::before,.nav-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.nav-burger span::before{top:-6px}
.nav-burger span::after{top:6px}
.nav-scrim{display:none}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);font-weight:500;font-size:15px;padding:0 22px;height:44px;transition:transform 180ms ease,box-shadow 180ms ease,background 180ms ease,color 180ms ease,border-color 180ms ease;border:1px solid transparent;white-space:nowrap}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.btn-sm{height:34px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 1px 2px rgba(224,78,46,.18)}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand-line)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-line:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-1px)}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:500;font-size:15px;padding:0}
.btn-text::after{content:"→";transition:transform 180ms ease}
.btn-text:hover::after{transform:translateX(3px)}
.btn[disabled],.btn.is-disabled{background:#D7DCD9;color:#8A9691;border-color:#D7DCD9;opacity:.6;cursor:not-allowed;box-shadow:none;transform:none}

/* ---------- 标签 / 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:var(--r-pill);font-size:12.5px;letter-spacing:.02em;line-height:1;padding:7px 12px;font-weight:500}
.badge-solid{background:var(--brand);color:#fff}
.badge-soft{background:var(--brand-soft);color:var(--brand)}
.badge-amber{background:#FFF6DF;border:1px solid rgba(242,193,78,.7);color:#8A6516}
.badge-row{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- Hero（居中版） ---------- */
.hero{
  position:relative;
  padding:var(--sp7) 0 var(--sp6);
  background-image:linear-gradient(180deg,rgba(247,246,242,.93),rgba(247,246,242,.99)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.hero-inner{max-width:840px;margin:0 auto;text-align:center}
.crumb{display:flex;align-items:center;justify-content:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:var(--sp4);flex-wrap:wrap}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--brand)}
.crumb-sep{color:#BFC8C3}
.hero h1{font-size:clamp(28px,4.4vw,44px);line-height:1.25;letter-spacing:-.01em}
.hero-sub{margin-top:var(--sp3);font-size:17px;color:var(--text-2);max-width:34em;margin-left:auto;margin-right:auto}
.hero-actions{display:flex;gap:12px;justify-content:center;margin-top:var(--sp5);flex-wrap:wrap}
.hero-trust{display:flex;gap:var(--sp4);justify-content:center;flex-wrap:wrap;margin-top:var(--sp5)}
.trust-item{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2)}
.trust-dot{width:22px;height:22px;border-radius:6px;background:var(--brand-soft);display:grid;place-items:center;flex:0 0 auto}
.trust-dot svg{width:13px;height:13px;stroke:var(--brand)}

/* ---------- 板块 ---------- */
.section{padding:var(--sp7) 0}
.section-tight{padding:var(--sp6) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp4);margin-bottom:var(--sp5);flex-wrap:wrap}
.sec-title{display:flex;align-items:center;gap:12px;font-size:clamp(22px,2.6vw,30px)}
.sec-title::before{content:"";width:4px;height:1em;border-radius:2px;background:var(--brand);flex:0 0 auto}
.sec-desc{margin-top:10px;color:var(--text-2);font-size:15.5px;max-width:62ch}
.sec-eyebrow{font-size:13px;letter-spacing:.14em;color:var(--brand);font-weight:500;text-transform:uppercase;margin-bottom:10px}

/* ---------- 卡片 ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh1);padding:var(--sp4);transition:transform 180ms ease,box-shadow 180ms ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh2)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--sp4)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp4)}

.rule-card{display:flex;flex-direction:column;gap:var(--sp3);border-radius:var(--r-card);background:#fff;border:1px solid var(--line);box-shadow:var(--sh1);padding:26px;transition:transform 180ms ease,box-shadow 180ms ease}
.rule-card:hover{transform:translateY(-2px);box-shadow:var(--sh2)}
.rule-top{display:flex;align-items:center;gap:14px}
.rule-icon{width:46px;height:46px;border-radius:14px;background:var(--brand-soft);display:grid;place-items:center;flex:0 0 auto}
.rule-icon svg{width:22px;height:22px;stroke:var(--brand);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.rule-card h3{font-size:19px;font-weight:500;line-height:1.5}
.rule-card p{color:var(--text-2);font-size:15.5px}
.rule-points{display:flex;flex-direction:column;gap:10px;border-top:1px dashed var(--line);padding-top:var(--sp3)}
.rule-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-2)}
.rule-points li svg{width:16px;height:16px;flex:0 0 auto;margin-top:6px;stroke:var(--brand);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.rule-no{font-size:13px;font-weight:700;color:var(--amber);letter-spacing:.08em;font-variant-numeric:tabular-nums}
.rule-foot{margin-top:auto;padding-top:var(--sp2);font-size:13.5px;color:var(--text-3)}

/* ---------- 图文行 ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:var(--sp6);align-items:center}
.split-media{position:relative}
.ratio{position:relative;width:100%;border-radius:var(--r-panel);overflow:hidden;background:var(--brand-soft);box-shadow:var(--sh1)}
.ratio-43{padding-top:75%}
.ratio-169{padding-top:56.25%}
.ratio img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 240ms ease}
.split-media:hover .ratio img{transform:scale(1.03)}
.media-note{position:absolute;right:16px;bottom:-18px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh1);padding:10px 16px;font-size:13.5px;color:var(--text-2)}
.split-list{margin-top:var(--sp4);display:flex;flex-direction:column;gap:14px}
.split-list li{display:flex;gap:12px;font-size:15.5px;color:var(--text-2)}
.split-list li b{color:var(--text);font-weight:500}
.split-list li svg{width:18px;height:18px;flex:0 0 auto;margin-top:6px;stroke:var(--brand);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 时间线 ---------- */
.timeline{position:relative;display:flex;flex-direction:column;gap:var(--sp3)}
.tl-item{display:grid;grid-template-columns:64px 1fr;gap:var(--sp3);background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh1);padding:22px 24px;transition:transform 180ms ease,box-shadow 180ms ease}
.tl-item:hover{transform:translateY(-2px);box-shadow:var(--sh2)}
.tl-no{font-size:20px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.tl-item h3{font-size:18px;font-weight:500;margin-bottom:6px}
.tl-item p{color:var(--text-2);font-size:15.5px}
.tl-meta{margin-top:10px;display:flex;flex-wrap:wrap;gap:8px}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:10px;overflow:hidden;transition:background 240ms ease,border-color 240ms ease}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:14px 20px;text-align:left;font-size:17px;font-weight:500;line-height:1.5}
.faq-ic{flex:0 0 auto;width:24px;height:24px;display:grid;place-items:center;transition:transform 240ms ease;color:var(--brand);font-size:20px;line-height:1}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms ease}
.faq-a-inner{padding:0 20px 20px;color:var(--text-2);font-size:15.5px}
.faq-item.open{background:var(--brand-soft);border-color:var(--brand-line)}
.faq-item.open .faq-ic{transform:rotate(45deg)}

/* ---------- CTA ---------- */
.cta-section{padding:var(--sp6) 0 var(--sp7)}
.cta-box{background:var(--dark);color:#fff;border-radius:var(--r-panel);padding:var(--sp6);display:grid;grid-template-columns:1fr 1fr;gap:var(--sp6);align-items:start}
.cta-box h2{font-size:clamp(22px,2.4vw,28px);color:#fff;line-height:1.4}
.cta-box p{color:rgba(255,255,255,.72);margin-top:14px;font-size:15.5px}
.cta-points{margin-top:var(--sp4);display:flex;flex-direction:column;gap:12px}
.cta-points li{display:flex;gap:10px;font-size:15px;color:rgba(255,255,255,.82)}
.cta-points li svg{width:17px;height:17px;flex:0 0 auto;margin-top:6px;stroke:var(--amber);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.form-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-card);padding:var(--sp4)}
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;color:rgba(255,255,255,.68);margin-bottom:8px}
.field input{width:100%;height:48px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#fff;padding:0 14px;font-size:15px;transition:border-color 180ms ease,box-shadow 180ms ease,background 180ms ease}
.field input::placeholder{color:rgba(255,255,255,.42)}
.field input:focus{outline:none;border-color:var(--amber);background:rgba(255,255,255,.12);box-shadow:0 0 0 3px rgba(242,193,78,.18)}
.form-card .btn{width:100%;margin-top:6px}
.form-note{font-size:12px;line-height:1.7;color:rgba(255,255,255,.55);margin-top:12px}
.form-msg{margin-top:12px;font-size:13.5px;color:var(--amber);display:none}
.form-msg.show{display:block}

/* ---------- 下一步导航条 ---------- */
.next-strip{margin:0 0 var(--sp7)}
.strip{background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);box-shadow:var(--sh1);padding:var(--sp4) 26px;display:flex;align-items:center;justify-content:space-between;gap:var(--sp4);flex-wrap:wrap}
.strip-txt{font-size:16px;font-weight:500}
.strip-sub{font-size:14px;color:var(--text-3);margin-top:4px}
.strip-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--dark);color:rgba(255,255,255,.74);padding:var(--sp7) 0 var(--sp4);font-size:15px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:var(--sp5)}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand .brand-mark{background:rgba(255,255,255,.12)}
.foot-brand .brand-name{color:#fff}
.foot-desc{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.66);max-width:32ch}
.foot-title{color:#fff;font-weight:500;font-size:15px;margin-bottom:14px;position:relative;padding-bottom:10px}
.foot-title::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;border-radius:2px;background:var(--amber)}
.foot-list{display:flex;flex-direction:column;gap:10px}
.foot-list a,.foot-list span{color:rgba(255,255,255,.7);font-size:14.5px}
.foot-list a:hover{color:#fff}
.foot-bottom{margin-top:var(--sp6);border-top:1px solid rgba(255,255,255,.14);padding-top:var(--sp3);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:rgba(255,255,255,.56)}
.foot-bottom a{color:rgba(255,255,255,.7)}
.foot-bottom a:hover{color:#fff}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 300ms ease,transform 300ms ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .navlinks{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
    background:#fff;flex-direction:column;align-items:stretch;gap:4px;
    padding:88px 16px 24px;transform:translateX(102%);
    transition:transform 240ms ease;z-index:90;
    border-left:1px solid var(--line);box-shadow:-8px 0 32px rgba(16,40,34,.12);
    overflow-y:auto;
  }
  body.nav-open .navlinks{transform:translateX(0)}
  .navlink{padding:13px 16px;min-height:48px;display:flex;align-items:center;font-size:16px}
  .navlink.is-active{padding-left:20px}
  .nav-burger{display:grid}
  .nav-scrim{position:fixed;inset:0;background:rgba(14,43,38,.42);z-index:85;opacity:0;pointer-events:none;transition:opacity 240ms ease}
  body.nav-open .nav-scrim{display:block;opacity:1;pointer-events:auto}
  .split{grid-template-columns:1fr;gap:var(--sp5)}
  .split-media{order:2}
  .cta-box{grid-template-columns:1fr;gap:var(--sp5);padding:var(--sp5)}
  .foot-grid{grid-template-columns:repeat(2,1fr);gap:var(--sp5)}
  .section{padding:var(--sp6) 0}
  .hero{padding:var(--sp6) 0 var(--sp5)}
}
@media (max-width:767px){
  .container{padding:0 16px}
  body{font-size:16px}
  .topbar{font-size:12.5px}
  .cd-label{display:none}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .tl-item{grid-template-columns:1fr;gap:8px}
  .sec-title{font-size:22px}
  .hero-trust{gap:var(--sp3)}
  .strip{align-items:flex-start}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .rule-card{padding:20px}
  .card{padding:18px}
  .cta-box{padding:24px 18px}
  .strip-actions{width:100%}
  .strip-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  .rule-card:hover,.card:hover,.tl-item:hover{transform:none}
  .split-media:hover .ratio img{transform:none}
}

/* roulang page: category3 */
:root{
  --green:#0F5C4E;
  --green-dark:#0A4238;
  --green-soft:#E4F1EC;
  --coral:#FF6B4A;
  --coral-dark:#E04E2E;
  --yellow:#F2C14E;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --dark:#0E2B26;
  --text:#17201D;
  --text-2:#4A5A55;
  --text-3:#7C8B86;
  --line:#E3E6E1;
  --r-panel:20px;
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,40,34,.04),0 8px 24px rgba(16,40,34,.05);
  --sh-2:0 12px 32px rgba(16,40,34,.10);
  --sh-3:0 6px 20px rgba(16,40,34,.08);
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:64px; --sp-8:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--green);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--green-dark)}
button{font:inherit;color:inherit}
h1,h2,h3,h4{line-height:1.35;margin:0;font-weight:700}
h1{font-size:clamp(28px,4.4vw,44px);line-height:1.25}
h2{font-size:clamp(22px,3vw,30px)}
h3{font-size:18px;font-weight:500;line-height:1.5}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
input,textarea,select{font:inherit}
:focus-visible{outline:2px solid var(--green);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* 顶部信息条 */
.site-head{position:sticky;top:0;z-index:90}
.topbar{background:var(--dark);color:#fff;font-size:13px}
.topbar-inner{display:flex;align-items:center;gap:16px;min-height:38px}
.topbar-label{color:rgba(255,255,255,.7);letter-spacing:.02em}
.countdown{display:flex;align-items:center;gap:2px;color:var(--yellow);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.03em;font-size:14px}
.cd-sep{opacity:.65}
.topbar-link{margin-left:auto;color:#fff;text-decoration:underline;text-underline-offset:4px;font-size:13px}
.topbar-link:hover{color:var(--yellow)}

/* 卡片化导航面板 */
.navshell{padding:10px 0 12px;background:linear-gradient(180deg,rgba(247,246,242,.97),rgba(247,246,242,.78));backdrop-filter:blur(8px)}
.navpanel{
  display:flex;align-items:center;gap:16px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-panel);padding:10px 12px;box-shadow:var(--sh-3);
  position:relative;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto}
.brand:hover{color:var(--green)}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--green);display:grid;place-items:center;flex:0 0 auto}
.brand-mark svg{width:20px;height:20px}
.brand-name{font-weight:700;font-size:16px;letter-spacing:.01em;white-space:nowrap}
.navlinks{display:flex;align-items:center;gap:6px;margin-left:auto}
.navlink{
  position:relative;display:inline-flex;align-items:center;min-height:40px;
  padding:8px 14px;border-radius:var(--r-btn);font-size:14px;color:var(--text-2);
  transition:background-color .18s ease,color .18s ease;
}
.navlink:hover{background:var(--green-soft);color:var(--green)}
.navlink.is-active{background:var(--green-soft);color:var(--green);font-weight:500}
.navlink.is-active::before{content:"";position:absolute;left:4px;top:11px;bottom:11px;width:3px;border-radius:2px;background:var(--green)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;font-weight:500;
  cursor:pointer;text-align:center;line-height:1.2;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.btn-lg{min-height:48px;padding:0 24px;font-size:16px}
.btn-md{min-height:40px;padding:0 20px;font-size:15px}
.btn-sm{min-height:34px;padding:0 14px;font-size:13.5px}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 2px 8px rgba(224,78,46,.18)}
.btn-primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-outline{background:#fff;color:var(--green);border-color:var(--green)}
.btn-outline:hover{background:var(--green-soft);color:var(--green-dark);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-1px)}
.btn-link{background:none;border:0;padding:0;color:var(--green);min-height:auto;text-underline-offset:4px;text-decoration:underline}
.btn-link:hover{color:var(--green-dark)}
.btn:disabled{filter:grayscale(1);opacity:.4;cursor:not-allowed}

/* 面包屑与页头 */
.page-hero{position:relative;overflow:hidden;background:var(--dark);color:#fff}
.page-hero-bg{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-2.webp);background-size:cover;background-position:center;opacity:.3}
.page-hero-overlay{position:absolute;inset:0;background:linear-gradient(115deg,rgba(14,43,38,.94),rgba(15,92,78,.74))}
.page-hero .container{position:relative;z-index:2;padding-top:56px;padding-bottom:56px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:16px}
.crumbs a{color:rgba(255,255,255,.9)}
.crumbs a:hover{color:var(--yellow)}
.crumbs .sep{opacity:.55}
.crumbs .current{color:var(--yellow)}
.page-hero h1{max-width:24ch;margin-bottom:16px;color:#fff}
.page-hero .lede{color:rgba(255,255,255,.84);max-width:62ch;font-size:16px;line-height:1.85}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--r-pill);font-size:13px;letter-spacing:.02em}
.tag-line{border:1px solid rgba(242,193,78,.5);color:var(--yellow);background:rgba(242,193,78,.08)}
.tag-soft{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.16)}

/* 板块 */
.section{padding:64px 0}
.section-tight{padding:48px 0}
.sec-head{margin-bottom:32px}
.sec-title{position:relative;padding-left:14px;font-weight:700;letter-spacing:.01em}
.sec-title::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:var(--green)}
.sec-title.on-dark{color:#fff}
.sec-title.on-dark::before{background:var(--yellow)}
.sec-sub{margin-top:12px;color:var(--text-2);font-size:15.5px;max-width:760px}

/* 左窄右宽 */
.layout{display:grid;grid-template-columns:288px minmax(0,1fr);gap:var(--sp-6);align-items:start}
.side{position:sticky;top:132px;display:flex;flex-direction:column;gap:20px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-panel);padding:20px;box-shadow:var(--sh-1)}
.toc-title{font-size:13px;font-weight:500;color:var(--text-3);letter-spacing:.06em;margin-bottom:12px}
.toc-list{display:flex;flex-direction:column;gap:4px}
.toc-list a{
  display:block;padding:9px 12px;border-radius:10px;font-size:14px;color:var(--text-2);
  border-left:3px solid transparent;transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.toc-list a:hover{background:var(--green-soft);color:var(--green);border-left-color:var(--green)}
.side-card{overflow:hidden;border-radius:var(--r-card);border:1px solid var(--line);background:#fff;box-shadow:var(--sh-1)}
.side-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--green-soft)}
.side-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.side-card:hover .thumb img{transform:scale(1.03)}
.side-card .cap{padding:14px 16px;font-size:13px;color:var(--text-2);line-height:1.7}
.side-note{font-size:13px;color:var(--text-3);line-height:1.7}

/* 编号清单 */
.steps{display:flex;flex-direction:column;gap:14px}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .18s ease,border-color .18s ease}
.step:hover{box-shadow:var(--sh-2)}
.step[open]{border-color:#cfe3da}
.step > summary{
  display:flex;align-items:center;gap:16px;padding:18px 20px;min-height:60px;
  cursor:pointer;list-style:none;
}
.step > summary::-webkit-details-marker{display:none}
.step .num{
  flex:0 0 auto;font-variant-numeric:tabular-nums;font-weight:700;font-size:14px;
  color:var(--green);background:var(--green-soft);border-radius:10px;padding:6px 10px;letter-spacing:.02em;
}
.step-title{flex:1;font-size:17px;font-weight:500;line-height:1.5}
.step .ind{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--text-3);font-size:15px;line-height:1;
  transition:transform .24s ease,color .18s ease,border-color .18s ease;
}
.step[open] .ind{transform:rotate(45deg);color:var(--green);border-color:var(--green)}
.step-body{padding:16px 20px 22px;border-top:1px solid var(--line);color:var(--text-2);animation:fadeUp .26s ease}
.step-body p{font-size:15.5px}
@keyframes fadeUp{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.point-list{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.point-list li{position:relative;padding-left:20px;font-size:15px;color:var(--text-2)}
.point-list li::before{content:"";position:absolute;left:2px;top:12px;width:6px;height:6px;border-radius:50%;background:var(--coral)}
.step-media{margin-top:16px;border-radius:12px;overflow:hidden;aspect-ratio:16/9;background:var(--green-soft)}
.step-media img{width:100%;height:100%;object-fit:cover}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:background-color .2s ease,border-color .2s ease}
.faq-item > summary{
  display:flex;align-items:center;gap:16px;padding:18px 20px;min-height:56px;
  cursor:pointer;list-style:none;font-size:17px;font-weight:500;
}
.faq-item > summary::-webkit-details-marker{display:none}
.faq-item .ind{
  margin-left:auto;flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;color:var(--text-3);
  font-size:15px;line-height:1;transition:transform .24s ease,color .18s ease,border-color .18s ease;
}
.faq-item[open]{background:var(--green-soft);border-color:#cfe3da}
.faq-item[open] .ind{transform:rotate(45deg);color:var(--green);border-color:var(--green)}
.faq-a{padding:0 20px 20px;color:var(--text-2);font-size:15.5px;line-height:1.85}

/* 深色 CTA */
.cta{background:var(--dark);color:#fff;padding:72px 0}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-6);align-items:start}
.cta p.lead{color:rgba(255,255,255,.8);margin-top:16px;max-width:52ch}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.cta-points li{position:relative;padding-left:22px;color:rgba(255,255,255,.82);font-size:15px}
.cta-points li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:2px;background:var(--yellow)}
.form{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-panel);padding:24px}
.form-title{font-size:17px;font-weight:500;color:#fff;margin-bottom:16px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}
.field label{font-size:13.5px;color:rgba(255,255,255,.78);letter-spacing:.02em}
.field input{
  height:48px;width:100%;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.97);padding:0 14px;font-size:15px;color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:#9AA8A3}
.field input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(15,92,78,.2)}
.form-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:4px}
.form-note{font-size:12px;color:rgba(255,255,255,.6);margin-top:12px;line-height:1.7}
.form-msg{display:none;margin-top:12px;padding:10px 14px;border-radius:10px;background:rgba(228,241,236,.14);border:1px solid rgba(228,241,236,.3);color:#DDF0E8;font-size:13.5px}
.form-msg.is-show{display:block}

/* 底部导航条 */
.next-nav{
  margin-top:64px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);padding:20px 24px;box-shadow:var(--sh-1);
}
.next-nav .n-title{font-size:16px;font-weight:500}
.next-nav .n-desc{font-size:14px;color:var(--text-2);margin-top:6px}
.next-nav .n-actions{display:flex;gap:12px;flex-wrap:wrap}

/* 页脚 */
.site-foot{background:var(--dark);color:rgba(255,255,255,.78);padding:64px 0 24px;margin-top:64px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-mark{width:34px;height:34px;border-radius:10px;background:var(--green);display:grid;place-items:center}
.foot-brand .brand-mark svg{width:20px;height:20px}
.foot-brand .brand-name{color:#fff;font-weight:700;font-size:16px}
.foot-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:34ch}
.foot-title{font-size:15px;font-weight:500;color:#fff;margin-bottom:16px;position:relative;padding-bottom:10px}
.foot-title::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;border-radius:2px;background:var(--yellow)}
.foot-list{display:flex;flex-direction:column;gap:10px}
.foot-list a,.foot-list span{font-size:14px;color:rgba(255,255,255,.72)}
.foot-list a:hover{color:var(--yellow)}
.foot-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);
}
.foot-bottom a{color:rgba(255,255,255,.72)}
.foot-bottom a:hover{color:var(--yellow)}

/* 滚动淡入 */
.js-anim .reveal{opacity:0;transform:translateY(12px)}
.js-anim .reveal.is-in{opacity:1;transform:none;transition:opacity .3s ease,transform .3s ease}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .js-anim .reveal{opacity:1;transform:none}
  .side-card:hover .thumb img{transform:none}
  .btn:hover{transform:none}
}

/* 响应式 */
@media (max-width:1199px){
  .layout{grid-template-columns:264px minmax(0,1fr);gap:32px}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex}
  .navlinks{
    position:absolute;top:calc(100% + 10px);left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:6px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-panel);
    padding:12px;box-shadow:var(--sh-2);display:none;
  }
  .navlinks.is-open{display:flex}
  .navlink{width:100%;min-height:48px;font-size:15px}
  .nav-actions{margin-left:auto}
  .layout{grid-template-columns:1fr;gap:32px}
  .side{position:static}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .topbar-label{display:none}
  .section{padding:48px 0}
  .page-hero .container{padding-top:40px;padding-bottom:40px}
  .page-hero h1{max-width:none}
  .btn-md{min-height:44px}
  .step > summary{padding:16px;gap:12px}
  .step-title{font-size:16px}
  .step-body{padding:14px 16px 20px}
  .faq-item > summary{padding:16px;font-size:16px}
  .faq-a{padding:0 16px 18px}
  .next-nav{padding:18px}
  .site-foot{padding:48px 0 20px;margin-top:48px}
}
@media (max-width:479px){
  .brand-name{font-size:15px}
  .nav-actions .btn{display:none}
  .btn{width:100%}
  .hero-tags{gap:8px}
  .foot-grid{grid-template-columns:1fr}
  .next-nav .n-actions{width:100%}
  .foot-bottom{flex-direction:column}
}