/* roulang page: index */
:root{
  --brand-900:#07231B;
  --brand-700:#0E3B2E;
  --brand-500:#17694F;
  --accent-500:#FF6A1A;
  --accent-100:#FFE7D8;
  --signal:#C8F169;
  --bg:#F5F6F2;
  --surface:#FFFFFF;
  --line:#E3E6DE;
  --ink:#10201A;
  --muted:#5C6B63;
  --radius-card:16px;
  --radius-lg:22px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(7,35,27,.06), 0 12px 28px -12px rgba(7,35,27,.18);
  --shadow-2:0 20px 36px -16px rgba(7,35,27,.26);
}
*,*::before,*::after{box-sizing:border-box}
html.type-base{font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;line-height:1.85;scroll-behavior:smooth}
body.site{margin:0;background:var(--bg);color:var(--ink);font-size:16px;-webkit-font-smoothing:antialiased;}
body.site a{color:inherit;text-decoration:none}
body.site button{font-family:inherit;cursor:pointer}
body.site ul{margin:0;padding:0;list-style:none}
img.shot{display:block;max-width:100%;height:auto}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px}

/* ---------- 布局 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:96px 0}}
.section-tight{padding:40px 0}
@media(min-width:1024px){.section-tight{padding:56px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
@media(min-width:1024px){.section-head{margin-bottom:36px}}
.h2-title{position:relative;margin:0;padding-left:16px;font-size:26px;font-weight:700;line-height:1.35;letter-spacing:-.2px;color:var(--ink)}
.h2-title::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:6px;border-radius:3px;background:var(--brand-700)}
@media(min-width:1024px){.h2-title{font-size:30px}}
.h2-sub{margin:8px 0 0 16px;font-size:14px;line-height:1.7;color:var(--muted)}
.h3-title{font-size:19px;font-weight:600;line-height:1.5;margin:0;color:var(--ink)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-500);transition:color .15s ease-out}
.link-more:hover{color:var(--brand-700);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-btn);border:1.5px solid transparent;font-weight:600;letter-spacing:.3px;text-align:center;transition:background-color .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
.btn-primary{height:48px;padding:0 26px;font-size:16px;background:var(--accent-500);color:#fff}
.btn-primary:hover{background:#E85C12;transform:translateY(-1px);box-shadow:0 16px 30px -14px rgba(255,106,26,.7)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{height:48px;padding:0 24px;font-size:16px;background:transparent;color:#fff;border-color:rgba(255,255,255,.72)}
.btn-ghost:hover{background:#fff;color:var(--brand-700);border-color:#fff}
.btn-outline{height:40px;padding:0 18px;font-size:14px;background:transparent;color:var(--brand-700);border-color:var(--brand-700)}
.btn-outline:hover{background:var(--brand-700);color:#fff}
.btn-block{width:100%}

/* ---------- 标签 / 徽章 ---------- */
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:var(--accent-100);color:var(--brand-700);font-size:13px;font-weight:600;letter-spacing:.3px}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-900);color:rgba(255,255,255,.82);font-size:13px;letter-spacing:.3px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}
.topbar-domain{color:#fff;font-weight:600;letter-spacing:.4px;white-space:nowrap}
.topbar-sep{width:1px;height:14px;background:rgba(255,255,255,.2);flex:none}
.topbar-tip{color:rgba(255,255,255,.68);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:18px;flex:none}
.topbar-right a{color:rgba(255,255,255,.78);transition:color .15s ease-out}
.topbar-right a:hover{color:var(--signal)}
@media(max-width:767px){.topbar-tip,.topbar-right a.secondary{display:none}}

/* ---------- 主导航 ---------- */
.site-nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.93);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .2s ease-out}
.site-nav.scrolled{box-shadow:0 10px 26px -18px rgba(7,35,27,.45)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
@media(min-width:1024px){.nav-inner{height:76px}}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-dot{width:8px;height:8px;border-radius:2px;background:var(--accent-500);flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:20px;font-weight:800;color:var(--brand-700);letter-spacing:-.3px}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.8px}
.nav-links{display:none;align-items:center;gap:2px}
@media(min-width:1024px){.nav-links{display:flex}}
.nav-link{position:relative;padding:10px 12px;font-size:15px;font-weight:500;color:var(--ink);white-space:nowrap;transition:color .15s ease-out}
.nav-link:hover{color:var(--brand-500)}
.nav-link.active{color:var(--brand-700);font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:50%;bottom:0;width:24px;height:2px;border-radius:2px;background:var(--accent-500);transform:translateX(-50%)}
.nav-right{display:flex;align-items:center;gap:10px;flex:none}
.nav-cta{display:none;height:40px;padding:0 18px;font-size:14px}
@media(min-width:768px){.nav-cta{display:inline-flex}}
.icon-btn{width:40px;height:40px;display:grid;place-items:center;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--muted);transition:color .15s ease-out,border-color .15s ease-out,background-color .15s ease-out}
.icon-btn:hover{color:var(--brand-700);border-color:var(--brand-500);background:#F7FAF6}
.hamburger{display:grid}
@media(min-width:1024px){.hamburger{display:none}}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;background:#fff;display:flex;flex-direction:column;padding:20px;transform:translateY(-100%);pointer-events:none;transition:transform .25s ease-out;overflow-y:auto}
.drawer.open{transform:translateY(0);pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-links{display:flex;flex-direction:column;margin-top:12px}
.drawer-link{padding:16px 4px;font-size:17px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-link.active{color:var(--brand-700)}
.drawer-foot{margin-top:auto;padding-top:20px}
@media(min-width:1024px){.drawer{display:none}}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;padding:60px 0 84px;overflow:hidden;isolation:isolate}
@media(min-width:1024px){.hero{padding:92px 0 116px}}
.hero-bg{position:absolute;inset:0;z-index:-1;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(7,35,27,.95) 0%,rgba(7,35,27,.86) 46%,rgba(7,35,27,.76) 100%)}
.hero-inner{display:grid;grid-template-columns:1fr;gap:40px;align-items:center}
@media(min-width:1024px){.hero-inner{grid-template-columns:1.12fr .88fr;gap:56px}}
.hero-title{margin:0 0 16px;font-size:30px;font-weight:800;line-height:1.25;letter-spacing:-.5px;color:#fff}
@media(min-width:768px){.hero-title{font-size:40px}}
@media(min-width:1280px){.hero-title{font-size:46px}}
.hero-sub{margin:0 0 24px;max-width:520px;font-size:17px;line-height:1.72;color:rgba(255,255,255,.9)}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.hero-badge{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);font-size:13px;letter-spacing:.3px;color:#fff}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:16px}
.hero-note{margin:0;font-size:13px;letter-spacing:.3px;color:rgba(255,255,255,.72)}

/* ---------- 登录卡 ---------- */
.login-card{background:#fff;border-radius:20px;padding:28px;box-shadow:0 26px 52px -22px rgba(7,35,27,.6);color:var(--ink)}
.login-card-title{margin:0 0 4px;font-size:19px;font-weight:700}
.login-card-desc{margin:0 0 20px;font-size:13px;color:var(--muted)}
.field{margin-bottom:14px}
.field-label{display:block;margin-bottom:6px;font-size:13px;font-weight:600;letter-spacing:.3px;color:var(--brand-700)}
.field-input{width:100%;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:15px;color:var(--ink);transition:border-color .15s ease-out,box-shadow .15s ease-out}
.field-input::placeholder{color:#9AA79F}
.field-input:focus{outline:none;border-color:var(--accent-500);box-shadow:0 0 0 3px rgba(255,106,26,.2)}
.login-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;font-size:13px;color:var(--muted)}
.login-foot a{font-weight:600;color:var(--brand-500)}
.login-foot a:hover{text-decoration:underline;text-underline-offset:3px}
.login-safe{margin:16px 0 0;padding-top:14px;border-top:1px dashed var(--line);font-size:12px;line-height:1.75;color:var(--muted)}

/* ---------- 快速入口条 ---------- */
.quickbar{margin-top:-40px;position:relative;z-index:6}
.quick-card{display:grid;grid-template-columns:1fr 1fr;background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-1);overflow:hidden}
@media(min-width:1024px){.quick-card{grid-template-columns:repeat(4,1fr)}}
.quick-item{display:flex;gap:12px;align-items:flex-start;padding:20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:background-color .2s ease-out}
.quick-item:hover{background:#FAFBF7}
.quick-icon{flex:none;width:38px;height:38px;display:grid;place-items:center;border-radius:10px;background:var(--brand-700);color:#fff;font-size:15px}
.quick-name{margin:0 0 2px;font-size:15px;font-weight:600;color:var(--ink)}
.quick-desc{margin:0;font-size:13px;line-height:1.6;color:var(--muted)}
@media(max-width:1023px){
  .quick-item:nth-child(2n){border-right:none}
  .quick-item:nth-child(n+3){border-bottom:none}
}
@media(min-width:1024px){
  .quick-item{border-bottom:none}
  .quick-item:nth-child(4n){border-right:none}
}

/* ---------- 品牌主张 ---------- */
.story-row{display:grid;grid-template-columns:1fr;gap:24px;align-items:center;margin-bottom:36px}
.story-row:last-child{margin-bottom:0}
@media(min-width:1024px){
  .story-row{grid-template-columns:1fr 1fr;gap:56px;margin-bottom:60px}
  .story-row.rev .story-media{order:1}
  .story-row.rev .story-text{order:2}
}
.story-num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:6px;background:var(--signal);color:#07231B;font-size:14px;font-weight:800;letter-spacing:.5px;margin-bottom:14px}
.story-h3{margin:0 0 10px;font-size:19px;font-weight:600;line-height:1.5;color:var(--ink)}
.story-p{margin:0 0 8px;font-size:15px;line-height:1.85;color:var(--muted)}
.story-media{border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);background:#E9EDE6}
.story-media img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}

/* ---------- 卡片 ---------- */
.card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out}
.card:hover{transform:translateY(-4px);border-color:rgba(23,105,79,.3);box-shadow:var(--shadow-2)}
.card-media{overflow:hidden;background:#E9EDE6}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease-out;display:block}
.card:hover .card-media img,
.post-card:hover .card-media img,
.mini-card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.card-title-lg{margin:12px 0 10px;font-size:20px;font-weight:700;line-height:1.5;color:var(--ink)}
@media(min-width:1024px){.card-title-lg{font-size:23px}}
.card-text{margin:0 0 18px;font-size:15px;line-height:1.8;color:var(--muted)}

.feature-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:1024px){.feature-grid{grid-template-columns:1.6fr 1fr}}
.feature-side{display:flex;flex-direction:column;gap:18px}
.mini-card{display:flex;gap:14px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-1);transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out}
.mini-card:hover{transform:translateY(-4px);border-color:rgba(23,105,79,.3);box-shadow:var(--shadow-2)}
.mini-card .card-media{flex:none;width:108px;border-radius:12px}
.mini-card .card-media img{width:108px;height:82px;aspect-ratio:auto;border-radius:12px}
.mini-body{min-width:0;display:flex;flex-direction:column}
.mini-title{margin:8px 0 4px;font-size:15px;font-weight:600;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-meta{margin-top:auto;font-size:12px;letter-spacing:.3px;color:var(--muted)}

/* ---------- 信任背书 ---------- */
.stats{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media(min-width:1024px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat{padding:26px 18px;text-align:center;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat-num{font-size:32px;font-weight:800;line-height:1.1;color:var(--brand-700)}
@media(min-width:1024px){.stat-num{font-size:38px}}
.stat-unit{margin-left:4px;font-size:13px;font-weight:600;color:var(--brand-500)}
.stat-label{margin-top:6px;font-size:13px;letter-spacing:.3px;color:var(--muted)}
@media(max-width:1023px){
  .stat:nth-child(2n){border-right:none}
  .stat:nth-child(n+3){border-bottom:none}
}
@media(min-width:1024px){
  .stat{border-bottom:none}
  .stat:last-child{border-right:none}
}
.partner-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
@media(min-width:768px){.partner-grid{grid-template-columns:repeat(5,1fr)}}
@media(min-width:1024px){.partner-grid{grid-template-columns:repeat(10,1fr)}}
.partner-tile{aspect-ratio:3/2;display:grid;place-items:center;border-radius:12px;background:#EDEFEA;border:1px solid var(--line);color:#B6C0B8;font-size:12px;letter-spacing:.5px;transition:background-color .2s ease-out}
.partner-tile:hover{background:#E4E8E1}
.partner-dot{width:22px;height:22px;border-radius:6px;background:#D5DBD3;display:block}

/* ---------- 最新信息 ---------- */
.post-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:768px){.post-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.post-grid{grid-template-columns:repeat(3,1fr)}}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-1);transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out}
.post-card:hover{transform:translateY(-4px);border-color:rgba(23,105,79,.3);box-shadow:var(--shadow-2)}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.post-title{margin:10px 0 8px;font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-text{margin:0 0 16px;font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.3px;color:var(--muted)}
.post-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--muted);opacity:.55}
.post-meta i{margin-left:auto;color:var(--brand-500);transition:transform .2s ease-out}
.post-card:hover .post-meta i{transform:translateX(3px)}
.empty-state{display:flex;flex-direction:column;align-items:center;gap:16px;padding:52px 20px;border:1px dashed #C8D0C6;border-radius:16px;background:#FAFBF7;text-align:center}
.empty-text{margin:0;font-size:15px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .2s ease-out,box-shadow .2s ease-out}
.faq-item.open{border-color:rgba(23,105,79,.35);box-shadow:var(--shadow-1)}
.faq-q{position:relative;width:100%;min-height:60px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 22px;text-align:left;background:transparent;border:none;font-size:16px;font-weight:600;color:var(--ink);transition:color .15s ease-out}
.faq-q:hover{color:var(--brand-700)}
.faq-q i{flex:none;font-size:13px;color:var(--brand-500);transition:transform .2s ease-out}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-item.open .faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--accent-500)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease-out}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- CTA ---------- */
.cta-block{position:relative;overflow:hidden;border-radius:24px;padding:36px 24px;color:#fff;display:grid;grid-template-columns:1fr;gap:24px;align-items:center;background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center}
.cta-block::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(7,35,27,.95) 0%,rgba(7,35,27,.82) 100%)}
.cta-block > *{position:relative;z-index:1}
@media(min-width:1024px){.cta-block{grid-template-columns:1.1fr 1fr;padding:48px 56px;gap:40px}}
.cta-title{margin:0 0 10px;font-size:24px;font-weight:700;line-height:1.4;color:#fff}
@media(min-width:1024px){.cta-title{font-size:28px}}
.cta-note{margin:0;font-size:13px;line-height:1.7;color:rgba(255,255,255,.76)}
.cta-form{display:flex;flex-direction:column;gap:12px}
@media(min-width:640px){.cta-form{flex-direction:row}}
.cta-input{flex:1;height:48px;padding:0 16px;border:none;border-radius:10px;background:#fff;font-size:15px;color:var(--ink)}
.cta-input::placeholder{color:#9AA79F}
.cta-input:focus{outline:2px solid var(--accent-500);outline-offset:2px}

/* ---------- 页脚 ---------- */
.footer{background:var(--brand-900);color:rgba(255,255,255,.7);padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-brand-name{font-size:20px;font-weight:800;color:#fff;letter-spacing:-.3px}
.footer-desc{margin:0;max-width:320px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.65)}
.footer-h4{margin:0 0 14px;font-size:15px;font-weight:700;letter-spacing:.3px;color:#fff}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68);transition:color .15s ease-out}
.footer-links a:hover{color:var(--signal)}
.footer-contact{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68)}
.footer-contact strong{color:#fff;font-weight:600}
.footer-bottom{margin-top:44px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.55)}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom-links a{color:rgba(255,255,255,.6);transition:color .15s ease-out}
.footer-bottom-links a:hover{color:var(--signal)}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .card,.post-card,.mini-card,.btn{transition:none}
  html.type-base{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
    --brand-900:#07231B;
    --brand-700:#0E3B2E;
    --brand-500:#17694F;
    --accent-500:#FF6A1A;
    --accent-100:#FFE7D8;
    --signal:#C8F169;
    --bg:#F5F6F2;
    --surface:#FFFFFF;
    --line:#E3E6DE;
    --ink:#10201A;
    --muted:#5C6B63;
    --radius-card:16px;
    --radius-lg:24px;
    --radius-btn:10px;
    --shadow-sm:0 1px 2px rgba(7,35,27,.06),0 12px 28px -12px rgba(7,35,27,.18);
    --shadow-lg:0 20px 36px -16px rgba(7,35,27,.26);
    --ease:200ms ease-out;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
    background:var(--bg);
    color:var(--ink);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:var(--brand-500);text-decoration:none;transition:color var(--ease);}
  a:hover{color:var(--brand-700);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px;}
  button{font-family:inherit;}
  :focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:4px;}
  h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
  p{margin:0;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:1024px){.container{padding:0 32px;}}

  /* 顶部信息条 */
  .topbar{background:var(--brand-900);color:rgba(255,255,255,.82);font-size:13px;}
  .topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:36px;gap:16px;}
  .topbar-left{display:flex;align-items:center;gap:16px;min-width:0;}
  .topbar-domain{color:#fff;letter-spacing:.3px;font-weight:600;}
  .topbar-tip{color:rgba(255,255,255,.6);letter-spacing:.3px;}
  .topbar-right{display:flex;align-items:center;gap:20px;flex-shrink:0;}
  .topbar-right a{color:rgba(255,255,255,.82);font-size:13px;}
  .topbar-right a:hover{color:var(--signal);text-decoration:none;}
  @media (max-width:640px){
    .topbar-tip{display:none;}
    .topbar-right a:not(:first-child){display:none;}
  }

  /* 主导航 */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(255,255,255,.94);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    transition:box-shadow var(--ease);
  }
  .site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(7,35,27,.45);}
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;}
  .logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;}
  .logo:hover{text-decoration:none;color:var(--ink);}
  .brand-dot{width:8px;height:8px;border-radius:2px;background:var(--accent-500);flex-shrink:0;}
  .logo-text{display:flex;align-items:baseline;gap:8px;font-size:20px;font-weight:800;letter-spacing:-.3px;}
  .logo-sub{font-size:12px;font-weight:500;color:var(--muted);letter-spacing:.3px;}
  @media (max-width:520px){.logo-sub{display:none;}}

  .nav-links{display:none;align-items:center;gap:28px;}
  .nav-link{position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:6px 0;text-decoration:none;}
  .nav-link:hover{color:var(--brand-700);text-decoration:none;}
  .nav-link::after{content:'';position:absolute;left:50%;bottom:-4px;width:0;height:2px;background:var(--accent-500);transform:translateX(-50%);transition:width var(--ease);}
  .nav-link:hover::after,.nav-link.active::after{width:24px;}
  .nav-link.active{color:var(--brand-700);font-weight:700;}
  @media (min-width:1024px){.nav-links{display:flex;}}

  .header-actions{display:flex;align-items:center;gap:12px;}
  .search-wrap{position:relative;display:none;}
  @media (min-width:1024px){.search-wrap{display:block;}}
  .search-toggle{
    width:40px;height:40px;border-radius:var(--radius-btn);border:1px solid var(--line);
    background:var(--surface);color:var(--brand-700);display:flex;align-items:center;justify-content:center;
    cursor:pointer;transition:all var(--ease);
  }
  .search-toggle:hover{border-color:var(--brand-500);box-shadow:var(--shadow-sm);}
  .search-panel{
    position:absolute;right:0;top:calc(100% + 10px);width:280px;background:var(--surface);
    border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:14px;
    display:none;
  }
  .search-panel.is-open{display:block;}
  .search-panel input{
    width:100%;height:44px;border-radius:var(--radius-btn);border:1px solid var(--line);
    padding:0 14px;font-size:14px;color:var(--ink);background:var(--bg);
  }
  .search-panel input:focus{outline:2px solid var(--accent-500);outline-offset:1px;background:#fff;}
  .search-panel p{font-size:12px;color:var(--muted);margin-top:8px;letter-spacing:.3px;}

  .menu-btn{
    display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:var(--radius-btn);
    border:1px solid var(--line);background:var(--surface);cursor:pointer;color:var(--brand-700);
  }
  @media (min-width:1024px){.menu-btn{display:none;}}

  .mobile-drawer{
    display:none;background:#fff;border-top:1px solid var(--line);padding:8px 0 24px;
  }
  .mobile-drawer.is-open{display:block;}
  .mobile-drawer .container{display:flex;flex-direction:column;}
  .mobile-drawer a{
    display:block;padding:14px 0;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line);
    text-decoration:none;
  }
  .mobile-drawer a.active{color:var(--brand-700);font-weight:700;}
  .mobile-drawer .drawer-cta{margin-top:20px;border-bottom:none;}
  @media (min-width:1024px){.mobile-drawer{display:none !important;}}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:var(--radius-btn);
    font-size:16px;font-weight:600;border:1.5px solid transparent;cursor:pointer;
    transition:all var(--ease);text-decoration:none;white-space:nowrap;
  }
  .btn:hover{text-decoration:none;}
  .btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 8px 20px -10px rgba(255,106,26,.7);}
  .btn-primary:hover{background:#ec5f14;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-lg);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{border-color:var(--brand-700);color:var(--brand-700);background:transparent;}
  .btn-ghost:hover{background:var(--brand-700);color:#fff;}
  .btn-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent;}
  .btn-light:hover{background:#fff;color:var(--brand-900);border-color:#fff;}
  .btn-sm{height:40px;font-size:14px;padding:0 20px;}
  .btn-xs{height:32px;font-size:13px;padding:0 16px;}

  /* 内页窄幅横幅 */
  .page-hero{
    position:relative;display:flex;align-items:center;min-height:268px;
    background-image:url('/assets/images/backpic/back-1.webp');
    background-size:cover;background-position:center;
    padding:52px 0;
  }
  .page-hero::before{
    content:'';position:absolute;inset:0;
    background:linear-gradient(115deg,rgba(7,35,27,.94) 0%,rgba(7,35,27,.78) 55%,rgba(7,35,27,.62) 100%);
  }
  .page-hero .container{position:relative;z-index:1;}
  .breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.62);letter-spacing:.3px;margin-bottom:18px;}
  .breadcrumb a{color:rgba(255,255,255,.78);text-decoration:none;}
  .breadcrumb a:hover{color:var(--signal);text-decoration:none;}
  .breadcrumb span.current{color:#fff;}
  .page-hero h1{
    color:#fff;font-size:30px;font-weight:800;line-height:1.28;letter-spacing:-.5px;max-width:820px;
  }
  @media (min-width:768px){.page-hero h1{font-size:38px;}}
  @media (min-width:1024px){.page-hero h1{font-size:44px;}}
  .hero-sub{color:rgba(255,255,255,.82);font-size:16px;line-height:1.75;margin-top:16px;max-width:660px;}
  .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
  .hero-tags span{
    display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;
    font-size:13px;letter-spacing:.3px;color:#fff;background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.16);
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
  .hero-note{font-size:13px;color:rgba(255,255,255,.6);margin-top:14px;letter-spacing:.3px;}

  /* 主体两栏 */
  .layout{
    display:grid;grid-template-columns:1fr;gap:36px;padding:56px 0 64px;
  }
  @media (min-width:1024px){
    .layout{grid-template-columns:264px minmax(0,1fr);gap:64px;padding:88px 0 96px;}
  }
  aside.toc{
    order:0;
  }
  @media (min-width:1024px){
    aside.toc{position:sticky;top:104px;align-self:start;}
  }
  .toc-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:22px 20px;box-shadow:var(--shadow-sm);
  }
  .toc-title{font-size:13px;font-weight:700;letter-spacing:.6px;color:var(--muted);text-transform:none;margin-bottom:14px;}
  .toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;}
  .toc-list a{
    display:block;padding:9px 12px;border-radius:8px;font-size:14px;color:var(--muted);
    border-left:3px solid transparent;text-decoration:none;transition:all var(--ease);
  }
  .toc-list a:hover{background:var(--bg);color:var(--brand-700);text-decoration:none;}
  .toc-list a.active{color:var(--brand-700);font-weight:700;border-left-color:var(--accent-500);background:var(--bg);}
  .toc-foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);line-height:1.75;}

  .article-head h2{font-size:24px;font-weight:700;line-height:1.4;}
  @media (min-width:768px){.article-head h2{font-size:30px;}}
  .article-head p{color:var(--muted);font-size:15px;margin-top:14px;max-width:760px;}

  /* 步骤流程 */
  .steps{margin-top:40px;}
  .step{position:relative;padding-left:0;padding-bottom:44px;}
  .step:last-child{padding-bottom:8px;}
  @media (min-width:768px){
    .step{padding-left:64px;}
    .step::before{
      content:'';position:absolute;left:19px;top:44px;bottom:0;width:1px;background:var(--line);
    }
    .step:last-child::before{display:none;}
  }
  .step-num{
    display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;
    background:var(--signal);color:#07231B;font-weight:800;font-size:14px;letter-spacing:.5px;margin-bottom:14px;
  }
  @media (min-width:768px){
    .step-num{position:absolute;left:0;top:0;margin-bottom:0;}
  }
  .step h3{font-size:19px;font-weight:600;line-height:1.5;}
  .step p{color:var(--ink);font-size:16px;margin-top:12px;max-width:720px;}
  .step p.sub{color:var(--muted);font-size:15px;line-height:1.75;}
  .step-figure{margin-top:18px;max-width:640px;}
  .step-figure .frame{
    position:relative;aspect-ratio:16/9;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#e9ece5;
  }
  .step-figure img{width:100%;height:100%;object-fit:cover;}
  .step-figure figcaption{font-size:13px;color:var(--muted);margin-top:10px;letter-spacing:.3px;}

  /* 自检清单 */
  .checklist{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:28px 24px;box-shadow:var(--shadow-sm);
  }
  @media (min-width:768px){.checklist{padding:36px 34px;}}
  .checklist h2{font-size:24px;font-weight:700;}
  .checklist > p{color:var(--muted);font-size:15px;margin-top:12px;max-width:680px;}
  .check-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:26px;}
  @media (min-width:768px){.check-grid{grid-template-columns:1fr 1fr;gap:16px 28px;}}
  .check-item{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.75;}
  .check-item .mark{
    flex-shrink:0;width:20px;height:20px;margin-top:6px;border-radius:6px;background:var(--accent-100);
    color:var(--brand-700);font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;
  }
  .dark-note{
    margin-top:30px;background:var(--brand-900);color:rgba(255,255,255,.86);border-radius:var(--radius-card);
    padding:24px 22px;font-size:15px;line-height:1.8;
  }
  .dark-note strong{color:#fff;display:block;font-size:16px;margin-bottom:8px;}

  /* FAQ */
  .faq{margin-top:64px;}
  @media (min-width:1024px){.faq{margin-top:80px;}}
  .faq h2{font-size:24px;font-weight:700;}
  @media (min-width:768px){.faq h2{font-size:30px;}}
  .faq > p{color:var(--muted);font-size:15px;margin-top:12px;}
  .faq-list{margin-top:28px;display:flex;flex-direction:column;gap:12px;}
  details.faq-item{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
  }
  details.faq-item[open]{border-color:rgba(23,105,79,.32);box-shadow:var(--shadow-sm);}
  details.faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;font-size:17px;font-weight:600;color:var(--ink);min-height:56px;
  }
  details.faq-item summary::-webkit-details-marker{display:none;}
  details.faq-item summary:hover{color:var(--brand-700);}
  .faq-icon{
    flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--bg);border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;transition:transform var(--ease),background var(--ease);
  }
  details.faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--accent-100);border-color:var(--accent-100);}
  details.faq-item[open] summary{border-left:3px solid var(--accent-500);}
  .faq-answer{padding:0 22px 22px;color:var(--muted);font-size:15px;line-height:1.85;max-width:760px;}

  /* CTA */
  .cta-block{
    margin-top:72px;border-radius:var(--radius-lg);overflow:hidden;position:relative;
    background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;
  }
  .cta-block::before{
    content:'';position:absolute;inset:0;background:linear-gradient(100deg,rgba(7,35,27,.95),rgba(7,35,27,.72));
  }
  .cta-inner{
    position:relative;z-index:1;padding:40px 26px;display:flex;flex-direction:column;gap:24px;
  }
  @media (min-width:1024px){
    .cta-inner{padding:52px 48px;flex-direction:row;align-items:center;justify-content:space-between;gap:40px;}
  }
  .cta-inner h2{color:#fff;font-size:24px;font-weight:700;line-height:1.35;}
  @media (min-width:768px){.cta-inner h2{font-size:28px;}}
  .cta-inner p{color:rgba(255,255,255,.72);font-size:14px;margin-top:12px;max-width:560px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

  .back-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:28px;}

  /* 页脚 */
  .footer{background:var(--brand-900);color:rgba(255,255,255,.72);margin-top:88px;padding:56px 0 0;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
  @media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:36px;}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
  .footer-brand-name{font-size:20px;font-weight:800;color:#fff;letter-spacing:-.3px;}
  .footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:300px;}
  .footer-h4{font-size:15px;font-weight:700;color:#fff;margin:0 0 14px;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{font-size:14px;color:rgba(255,255,255,.72);text-decoration:none;}
  .footer-links a:hover{color:var(--signal);text-decoration:none;}
  .footer-contact p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.9;}
  .footer-contact strong{color:#fff;}
  .footer-bottom{
    margin-top:44px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
    display:flex;flex-direction:column;gap:12px;font-size:13px;color:rgba(255,255,255,.55);
  }
  @media (min-width:768px){
    .footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}
  }
  .footer-bottom-links{display:flex;flex-wrap:wrap;gap:20px;}
  .footer-bottom-links a{color:rgba(255,255,255,.55);font-size:13px;}
  .footer-bottom-links a:hover{color:var(--signal);text-decoration:none;}

  @media (prefers-reduced-motion:reduce){
    *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
    html{scroll-behavior:auto;}
  }

/* roulang page: article */
:root{
    --brand-900:#07231B;
    --brand-700:#0E3B2E;
    --brand-500:#17694F;
    --accent-500:#FF6A1A;
    --accent-100:#FFE7D8;
    --signal:#C8F169;
    --bg:#F5F6F2;
    --surface:#FFFFFF;
    --line:#E3E6DE;
    --ink:#10201A;
    --muted:#5C6B63;
    --radius-card:16px;
    --radius-lg:24px;
    --radius-btn:10px;
    --shadow-1:0 1px 2px rgba(7,35,27,.06), 0 12px 28px -12px rgba(7,35,27,.18);
    --shadow-2:0 20px 36px -16px rgba(7,35,27,.26);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    letter-spacing:0;
  }
  img{max-width:100%;display:block;border:0;}
  a{color:var(--brand-500);text-decoration:none;transition:color .15s ease-out, text-decoration-color .15s ease-out;}
  a:hover{color:var(--brand-700);}
  button{font-family:inherit;cursor:pointer;}
  input{font-family:inherit;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  :focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;}

  .container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%;}
  @media (min-width:768px){ .container{padding:0 32px;} }

  /* ---------- 顶部信息条 ---------- */
  .topbar{background:var(--brand-900);color:rgba(255,255,255,.8);font-size:12.5px;letter-spacing:.3px;}
  .topbar-inner{display:flex;align-items:center;justify-content:space-between;height:36px;gap:16px;}
  .topbar-left{display:flex;align-items:center;gap:10px;min-width:0;}
  .topbar-domain{color:#fff;font-weight:600;letter-spacing:.4px;}
  .topbar-divider{width:1px;height:12px;background:rgba(255,255,255,.24);}
  .topbar-tip{color:rgba(255,255,255,.72);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .topbar-right{display:flex;align-items:center;gap:18px;}
  .topbar-right a{color:rgba(255,255,255,.8);}
  .topbar-right a:hover{color:var(--signal);}
  @media (max-width:767px){
    .topbar-right a:last-child{display:none;}
    .topbar-tip{display:none;}
  }

  /* ---------- 主导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.94);
    backdrop-filter:saturate(180%) blur(10px);
    -webkit-backdrop-filter:saturate(180%) blur(10px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .2s ease-out;
  }
  .site-header.is-scrolled{box-shadow:0 10px 24px -18px rgba(7,35,27,.5);}
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
  .logo{display:flex;align-items:center;gap:9px;color:var(--ink);}
  .logo:hover{color:var(--ink);}
  .logo-mark{width:9px;height:16px;border-radius:3px;background:var(--accent-500);display:inline-block;transform:skewX(-12deg);}
  .logo-text{font-size:20px;font-weight:800;letter-spacing:-.3px;color:var(--brand-900);}
  .logo-sub{font-size:12px;color:var(--muted);letter-spacing:.3px;padding-left:9px;border-left:1px solid var(--line);}
  .nav-links{display:flex;align-items:center;gap:26px;}
  .nav-link{
    position:relative;font-size:15px;font-weight:500;color:#33463D;padding:6px 0;
  }
  .nav-link:hover{color:var(--brand-700);}
  .nav-link.active{color:var(--brand-700);font-weight:700;}
  .nav-link.active::after{
    content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:-2px;
    width:24px;height:2px;border-radius:2px;background:var(--accent-500);
  }
  .header-actions{display:flex;align-items:center;gap:12px;}
  .icon-btn{
    width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;
    display:inline-flex;align-items:center;justify-content:center;color:var(--brand-700);
    transition:all .2s ease-out;
  }
  .icon-btn:hover{border-color:var(--brand-500);color:var(--brand-500);background:#F7FAF8;}
  .menu-btn{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;color:var(--brand-900);}
  @media (max-width:1023px){
    .nav-links{display:none;}
    .menu-btn{display:inline-flex;}
    .header-actions .btn{display:none;}
  }
  @media (max-width:520px){
    .logo-sub{display:none;}
    .header-inner{height:64px;}
  }

  .search-panel{
    max-height:0;overflow:hidden;transition:max-height .25s ease-out;
    border-top:0 solid var(--line);background:#fff;
  }
  .search-panel.open{max-height:96px;border-top:1px solid var(--line);}
  .search-panel-inner{display:flex;gap:12px;padding:16px 0;align-items:center;}
  .search-panel input{
    flex:1;height:44px;border-radius:10px;border:1px solid var(--line);padding:0 16px;font-size:15px;color:var(--ink);background:#FBFCFA;
  }
  .search-panel input:focus{outline:2px solid var(--accent-500);outline-offset:1px;border-color:transparent;}

  /* ---------- 抽屉 ---------- */
  .drawer{
    position:fixed;inset:0;background:#fff;z-index:120;
    transform:translateX(100%);transition:transform .3s ease-out;
    display:flex;flex-direction:column;
  }
  .drawer.open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 20px;border-bottom:1px solid var(--line);}
  .drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;display:inline-flex;align-items:center;justify-content:center;color:var(--brand-900);}
  .drawer-body{padding:20px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;flex:1;}
  .drawer-body a{
    display:block;padding:14px 4px;font-size:16px;font-weight:500;color:var(--ink);border-bottom:1px solid var(--line);
  }
  .drawer-body a.active{color:var(--brand-700);font-weight:700;}
  .drawer-foot{padding:20px;border-top:1px solid var(--line);}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--radius-btn);border:1.5px solid transparent;
    font-size:16px;font-weight:600;height:48px;padding:0 24px;
    transition:all .2s ease-out;white-space:nowrap;
  }
  .btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 8px 18px -10px rgba(255,106,26,.75);}
  .btn-primary:hover{background:#E85D12;color:#fff;transform:translateY(-1px);box-shadow:0 14px 24px -12px rgba(255,106,26,.85);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700);}
  .btn-ghost:hover{background:var(--brand-700);color:#fff;}
  .btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;height:48px;}
  .btn-outline-light:hover{background:#fff;color:var(--brand-900);border-color:#fff;}
  .btn-sm{height:40px;font-size:14px;padding:0 18px;}
  .btn-lg{height:48px;}
  .btn-block{width:100%;}

  /* ---------- 徽章 / 标签 ---------- */
  .badge{
    display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
    background:var(--accent-100);color:var(--brand-700);font-size:13px;font-weight:600;letter-spacing:.2px;
  }
  .badge-dark{background:rgba(255,255,255,.12);color:#fff;}
  .tag{
    display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
    background:#fff;border:1px solid var(--line);color:var(--brand-700);font-size:13px;font-weight:500;
    transition:all .2s ease-out;
  }
  .tag:hover{border-color:var(--brand-500);background:#F3F8F5;color:var(--brand-700);}
  .tag-static{cursor:default;background:var(--accent-100);border-color:transparent;}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{padding:20px 0 0;font-size:13px;color:var(--muted);letter-spacing:.3px;}
  .breadcrumb .crumb-inner{display:flex;align-items:center;flex-wrap:wrap;gap:8px;}
  .breadcrumb a{color:var(--muted);}
  .breadcrumb a:hover{color:var(--brand-500);}
  .breadcrumb .sep{color:#B9C2B8;}
  .breadcrumb .current{color:var(--ink);max-width:62vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

  /* ---------- 文章布局 ---------- */
  .article-wrap{padding:26px 0 0;}
  .article-layout{
    display:grid;grid-template-columns:1fr;gap:44px;align-items:start;
    max-width:1200px;margin:0 auto;padding:0 20px;
  }
  @media (min-width:768px){ .article-layout{padding:0 32px;} }
  @media (min-width:1024px){ .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:56px;} }
  .article-main{max-width:820px;width:100%;margin:0 auto;min-width:0;}

  .article-head{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:28px;box-shadow:var(--shadow-1);
  }
  @media (min-width:768px){ .article-head{padding:36px 40px;} }
  .article-title{
    font-size:28px;font-weight:800;line-height:1.3;letter-spacing:-.5px;color:var(--brand-900);
    margin:16px 0 0;
  }
  @media (min-width:768px){ .article-title{font-size:38px;} }
  @media (min-width:1024px){ .article-title{font-size:42px;} }
  .article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:20px;font-size:13px;color:var(--muted);letter-spacing:.3px;}
  .meta-sep{width:1px;height:11px;background:var(--line);}
  .article-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:24px;padding-top:20px;border-top:1px solid var(--line);}
  .share-group{display:flex;align-items:center;gap:10px;}
  .share-btn{
    width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--brand-700);
    display:inline-flex;align-items:center;justify-content:center;transition:all .2s ease-out;
  }
  .share-btn:hover{border-color:var(--brand-500);background:#F3F8F5;color:var(--brand-500);transform:translateY(-1px);}
  .share-hint{font-size:12.5px;color:var(--muted);}

  /* ---------- 正文排版 ---------- */
  .article-body{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:26px 22px;margin-top:24px;box-shadow:var(--shadow-1);
    overflow-wrap:break-word;word-break:break-word;
  }
  @media (min-width:768px){ .article-body{padding:44px 52px;} }

  .article-body p{font-size:16px;line-height:1.95;color:var(--ink);margin:0 0 1.4em;}
  .article-body h2{
    position:relative;font-size:25px;font-weight:700;line-height:1.4;color:var(--brand-900);
    margin:48px 0 18px;padding-left:16px;
  }
  .article-body h2:first-child{margin-top:0;}
  .article-body h2::before{
    content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--accent-500);
  }
  .article-body h3{font-size:19px;font-weight:600;line-height:1.5;color:var(--brand-900);margin:28px 0 12px;}
  .article-body h4{font-size:16px;font-weight:600;color:var(--brand-700);margin:22px 0 10px;}
  .article-body blockquote{
    margin:24px 0;padding:16px 20px;border-left:3px solid var(--brand-700);
    background:rgba(14,59,46,.06);border-radius:0 12px 12px 0;color:#2A3B34;font-size:15.5px;
  }
  .article-body blockquote p:last-child{margin-bottom:0;}
  .article-body ul{list-style:none;padding:0;margin:0 0 1.4em;}
  .article-body ul li{position:relative;padding-left:22px;margin-bottom:10px;line-height:1.9;}
  .article-body ul li::before{
    content:"";position:absolute;left:2px;top:12px;width:7px;height:7px;border-radius:2px;background:var(--accent-500);
  }
  .article-body ol{list-style:none;padding:0;margin:0 0 1.4em;counter-reset:olcnt;}
  .article-body ol li{position:relative;padding-left:34px;margin-bottom:12px;line-height:1.9;counter-increment:olcnt;}
  .article-body ol li::before{
    content:counter(olcnt);position:absolute;left:0;top:4px;width:22px;height:22px;border-radius:6px;
    background:var(--brand-700);color:#fff;font-size:12px;font-weight:600;
    display:flex;align-items:center;justify-content:center;
  }
  .article-body a{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
  .article-body a:hover{color:var(--brand-700);}
  .article-body img{border-radius:12px;margin:24px auto;box-shadow:var(--shadow-1);}
  .article-body figure{margin:24px 0;}
  .article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;letter-spacing:.3px;}
  .article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;border-radius:12px;overflow:hidden;}
  .article-body thead th{background:var(--brand-700);color:#fff;font-weight:600;text-align:left;padding:12px 14px;}
  .article-body tbody td{padding:12px 14px;border-bottom:1px solid var(--line);}
  .article-body tbody tr:nth-child(even){background:var(--bg);}
  .article-body strong{color:var(--brand-900);font-weight:600;}
  .article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
  @media (max-width:640px){
    .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  }

  /* ---------- 空态 ---------- */
  .empty-state{
    border:1px dashed #C7CFC4;border-radius:var(--radius-card);background:#FBFCFA;
    padding:48px 24px;text-align:center;
  }
  .empty-state p{font-size:15px;color:var(--muted);margin:0 0 18px;}

  /* ---------- 标签区 ---------- */
  .article-tags{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:24px;}
  .article-tags-label{font-size:13px;color:var(--muted);letter-spacing:.3px;margin-right:2px;}

  /* ---------- 上一篇 / 下一篇 ---------- */
  .article-nav{display:grid;grid-template-columns:1fr;gap:14px;margin-top:24px;}
  @media (min-width:768px){ .article-nav{grid-template-columns:1fr 1fr;} }
  .prevnext{
    display:flex;flex-direction:column;gap:6px;background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius-card);padding:18px 20px;transition:all .2s ease-out;
  }
  .prevnext:hover{border-color:rgba(23,105,79,.3);transform:translateY(-3px);box-shadow:var(--shadow-2);}
  .prevnext span{font-size:12.5px;color:var(--muted);letter-spacing:.3px;}
  .prevnext strong{font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.5;}
  .prevnext.next{text-align:right;align-items:flex-end;}

  /* ---------- 相关推荐 ---------- */
  .section{padding:64px 0 0;}
  @media (min-width:1024px){ .section{padding:88px 0 0;} }
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
  .section-title{font-size:24px;font-weight:700;color:var(--brand-900);letter-spacing:-.3px;}
  @media (min-width:768px){ .section-title{font-size:28px;} }
  .section-sub{font-size:14px;color:var(--muted);margin-top:8px;}
  .link-more{font-size:14px;font-weight:600;color:var(--brand-500);white-space:nowrap;}
  .link-more:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:4px;}

  .card-grid{display:grid;grid-template-columns:1fr;gap:20px;}
  @media (min-width:768px){ .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
  @media (min-width:1024px){ .card-grid{grid-template-columns:repeat(3,minmax(0,1fr));} }

  .post-card{
    display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
    transition:transform .2s ease-out, box-shadow .2s ease-out, border-color .2s ease-out;
  }
  .post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(23,105,79,.3);}
  .post-cover{aspect-ratio:16/9;overflow:hidden;background:#E9EDE7;}
  .post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out;}
  .post-card:hover .post-cover img{transform:scale(1.04);}
  .post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .post-title{font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);}
  .post-title:hover{color:var(--brand-700);}
  .post-desc{font-size:14px;line-height:1.75;color:var(--muted);}
  .post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);letter-spacing:.3px;padding-top:6px;}

  /* ---------- 侧栏 ---------- */
  .sidebar{display:flex;flex-direction:column;gap:18px;}
  @media (min-width:1024px){
    .sidebar{position:sticky;top:104px;}
  }
  .side-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:20px;box-shadow:var(--shadow-1);
  }
  .side-card h3{font-size:15px;font-weight:700;color:var(--brand-900);margin-bottom:14px;letter-spacing:.2px;}
  .side-list{display:flex;flex-direction:column;gap:2px;}
  .side-list a{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    font-size:14px;color:#3A4C44;padding:9px 0;border-bottom:1px dashed var(--line);
  }
  .side-list a:last-child{border-bottom:0;}
  .side-list a:hover{color:var(--brand-500);}
  .side-list a span{color:#AEB8AE;font-size:12px;}
  .side-note{font-size:13.5px;line-height:1.8;color:var(--muted);margin-bottom:16px;}
  .side-card-dark{background:var(--brand-700);border-color:transparent;color:rgba(255,255,255,.85);}
  .side-card-dark h3{color:#fff;}
  .side-card-dark .side-note{color:rgba(255,255,255,.78);}
  .side-card-dark .btn{background:var(--accent-500);color:#fff;border-color:transparent;}
  .side-card-dark .btn:hover{background:#E85D12;color:#fff;}

  /* ---------- 返回列表 ---------- */
  .back-row{display:flex;justify-content:center;margin-top:36px;}

  /* ---------- CTA ---------- */
  .cta-section{padding:64px 0 0;}
  @media (min-width:1024px){ .cta-section{padding:88px 0 0;} }
  .cta-box{
    position:relative;border-radius:var(--radius-lg);overflow:hidden;
    background-image:linear-gradient(120deg, rgba(7,35,27,.92), rgba(7,35,27,.72)), url('/assets/images/backpic/back-2.webp');
    background-size:cover;background-position:center;
    padding:36px 26px;
    display:grid;grid-template-columns:1fr;gap:24px;align-items:center;
  }
  @media (min-width:768px){ .cta-box{padding:52px 48px;grid-template-columns:1.25fr .9fr;} }
  .cta-box h2{font-size:24px;font-weight:700;color:#fff;letter-spacing:-.3px;line-height:1.4;}
  @media (min-width:768px){ .cta-box h2{font-size:30px;} }
  .cta-box p{font-size:13.5px;color:rgba(255,255,255,.76);margin-top:12px;max-width:520px;}
  .cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

  /* ---------- 页脚 ---------- */
  .footer{background:var(--brand-900);color:rgba(255,255,255,.78);margin-top:88px;padding:64px 0 0;font-size:14px;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
  @media (min-width:768px){ .footer-grid{grid-template-columns:1fr 1fr;gap:36px;} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;} }
  .footer-brand{display:flex;align-items:center;gap:9px;margin-bottom:16px;}
  .brand-dot{width:9px;height:16px;border-radius:3px;background:var(--accent-500);display:inline-block;transform:skewX(-12deg);}
  .footer-brand-name{font-size:20px;font-weight:800;color:#fff;letter-spacing:-.3px;}
  .footer-desc{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;}
  .footer-h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.3px;}
  .footer-links{display:flex;flex-direction:column;gap:11px;}
  .footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
  .footer-links a:hover{color:var(--signal);}
  .footer-contact p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.72);}
  .footer-contact strong{color:#fff;font-weight:600;}
  .footer-bottom{
    margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
    padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
    font-size:13px;color:rgba(255,255,255,.6);
  }
  .footer-bottom-links{display:flex;gap:18px;flex-wrap:wrap;}
  .footer-bottom-links a{color:rgba(255,255,255,.66);}
  .footer-bottom-links a:hover{color:var(--signal);}

  /* ---------- 返回顶部 ---------- */
  #backTop{
    position:fixed;right:20px;bottom:24px;width:44px;height:44px;border-radius:50%;
    border:0;background:var(--brand-700);color:#fff;display:inline-flex;align-items:center;justify-content:center;
    box-shadow:var(--shadow-2);opacity:0;pointer-events:none;transition:all .2s ease-out;z-index:80;
  }
  #backTop.show{opacity:1;pointer-events:auto;}
  #backTop:hover{background:var(--accent-500);transform:translateY(-2px);}

  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  }

/* roulang page: category2 */
:root{
  --brand-900:#07231B;
  --brand-700:#0E3B2E;
  --brand-500:#17694F;
  --accent-500:#FF6A1A;
  --accent-100:#FFE7D8;
  --signal:#C8F169;
  --bg:#F5F6F2;
  --surface:#FFFFFF;
  --line:#E3E6DE;
  --ink:#10201A;
  --muted:#5C6B63;
  --radius-card:16px;
  --radius-lg:24px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(7,35,27,.06), 0 12px 28px -12px rgba(7,35,27,.18);
  --shadow-2:0 20px 36px -16px rgba(7,35,27,.26);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,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;}
a{color:var(--brand-500);text-decoration:none;transition:color .15s ease-out;}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding-left:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:none;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-900);color:rgba(255,255,255,.82);font-size:12.5px;letter-spacing:.3px;}
.topbar-inner{height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:12px;white-space:nowrap;}
.topbar-domain{color:#fff;font-weight:600;letter-spacing:.4px;}
.topbar-sep{width:1px;height:12px;background:rgba(255,255,255,.22);display:inline-block;}
.topbar-right{display:flex;align-items:center;gap:18px;}
.topbar-right a{color:rgba(255,255,255,.82);font-size:12.5px;}
.topbar-right a:hover{color:var(--signal);}
.topbar-right .hide-sm{display:none;}
@media (min-width:640px){.topbar-right .hide-sm{display:inline;}}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .2s ease-out;}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(7,35,27,.45);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-dot{width:8px;height:8px;background:var(--accent-500);border-radius:2px;flex:0 0 auto;}
.brand-name{font-size:20px;font-weight:800;letter-spacing:-.3px;line-height:1.1;}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:1.5px;line-height:1.1;margin-top:2px;}
.brand-text{display:flex;flex-direction:column;}
.nav-links{display:none;}
@media (min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:26px;}
}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:6px 0;}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--accent-500);border-radius:2px;transition:width .2s ease-out;}
.nav-link:hover{color:var(--brand-700);}
.nav-link:hover::after{width:24px;}
.nav-link.active{color:var(--brand-700);font-weight:700;}
.nav-link.active::after{width:24px;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{width:40px;height:40px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--surface);color:var(--brand-700);transition:border-color .2s ease-out,background .2s ease-out;}
.icon-btn:hover{border-color:var(--brand-500);background:#F0F4F1;}
.hamburger{display:flex;}
@media (min-width:1024px){.hamburger{display:none;}}
.drawer{position:fixed;inset:0;background:var(--surface);z-index:90;display:none;flex-direction:column;padding:24px 20px 28px;overflow-y:auto;}
.drawer.open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-links a{padding:14px 4px;font-size:16px;font-weight:500;color:var(--ink);border-bottom:1px solid var(--line);}
.drawer-links a.active{color:var(--brand-700);font-weight:700;}
.drawer-foot{margin-top:auto;padding-top:24px;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-btn);font-weight:600;text-decoration:none;transition:transform .2s ease-out,background .2s ease-out,box-shadow .2s ease-out,color .2s ease-out,border-color .2s ease-out;}
.btn-primary{height:48px;padding:0 24px;font-size:16px;background:var(--accent-500);color:#fff;box-shadow:0 10px 22px -12px rgba(255,106,26,.75);}
.btn-primary:hover{background:#EE5F12;color:#fff;transform:translateY(-1px);box-shadow:0 16px 28px -14px rgba(255,106,26,.8);}
.btn-primary:active{transform:translateY(0);}
.btn-primary.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-outline{height:48px;padding:0 24px;font-size:16px;background:transparent;border:1.5px solid var(--brand-700);color:var(--brand-700);}
.btn-outline:hover{background:var(--brand-700);color:#fff;}
.btn-outline.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-light{height:40px;padding:0 18px;font-size:14px;background:#fff;color:var(--brand-900);}
.btn-light:hover{background:var(--accent-100);color:var(--brand-900);transform:translateY(-1px);}
.btn-ghost-light{height:40px;padding:0 18px;font-size:14px;border:1.5px solid rgba(255,255,255,.55);color:#fff;background:transparent;}
.btn-ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.12);color:#fff;}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{background:var(--bg);border-bottom:1px solid var(--line);}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:14px 0;font-size:13px;color:var(--muted);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand-500);}
.breadcrumb .crumb-sep{color:#B6BFB8;}
.breadcrumb .crumb-current{color:var(--ink);}

/* ---------- 页面头部（窄幅横幅） ---------- */
.page-hero{
  position:relative;
  min-height:280px;
  display:flex;
  align-items:center;
  background-image:linear-gradient(102deg, rgba(7,35,27,.94) 0%, rgba(7,35,27,.80) 52%, rgba(7,35,27,.52) 100%), url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::after{content:"";position:absolute;left:-60px;bottom:-140px;width:340px;height:260px;border:1.5px solid rgba(200,241,105,.28);border-radius:50%;pointer-events:none;}
.page-hero-inner{position:relative;z-index:2;padding:46px 0 42px;max-width:760px;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:1.2px;color:var(--signal);margin-bottom:14px;}
.hero-eyebrow::before{content:"";width:22px;height:2px;background:var(--signal);display:inline-block;}
.page-hero h1{font-size:32px;font-weight:800;line-height:1.25;letter-spacing:-.5px;color:#fff;}
@media (min-width:768px){.page-hero h1{font-size:40px;}}
@media (min-width:1024px){.page-hero h1{font-size:44px;}}
.page-hero .hero-sub{margin-top:14px;font-size:16px;color:rgba(255,255,255,.82);line-height:1.75;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-tag{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);color:#fff;font-size:13px;letter-spacing:.3px;}

/* ---------- 筛选标签条 ---------- */
.filter-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.filter-scroll{display:flex;align-items:center;gap:10px;padding:18px 0;overflow-x:auto;scrollbar-width:none;}
.filter-scroll::-webkit-scrollbar{display:none;}
.chip{flex:0 0 auto;height:34px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--muted);font-size:13.5px;display:inline-flex;align-items:center;transition:all .2s ease-out;}
.chip:hover{border-color:var(--brand-500);color:var(--brand-700);}
.chip.active{background:var(--brand-700);border-color:var(--brand-700);color:#fff;font-weight:600;}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0;}
@media (min-width:1024px){.section{padding:92px 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-title{font-size:26px;font-weight:700;letter-spacing:-.3px;line-height:1.35;position:relative;padding-left:16px;}
@media (min-width:1024px){.section-title{font-size:30px;}}
.section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--brand-700);}
.section-desc{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.75;max-width:720px;}
.section-link{font-size:14px;color:var(--brand-500);white-space:nowrap;}
.section-link:hover{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;}
.section--surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

/* ---------- 问答卡片 ---------- */
.qa-grid{display:grid;grid-template-columns:1fr;gap:20px;align-items:start;}
@media (min-width:768px){.qa-grid{grid-template-columns:repeat(2,1fr);}}
.qa-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;}
.qa-card:hover{transform:translateY(-4px);border-color:rgba(23,105,79,.3);box-shadow:var(--shadow-2);}
.qa-card h3{font-size:18px;font-weight:600;line-height:1.55;margin-bottom:12px;}
.qa-card p{font-size:14.5px;line-height:1.85;color:var(--muted);}
.qa-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);}
.qa-meta{font-size:12.5px;color:var(--muted);letter-spacing:.3px;}
.link-more{font-size:13.5px;font-weight:600;color:var(--brand-500);display:inline-flex;align-items:center;gap:4px;}
.link-more:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:var(--accent-100);color:var(--brand-700);font-size:13px;font-weight:600;}
.qa-badge-row{margin-bottom:12px;}

/* ---------- 安全自查清单 ---------- */
.check-layout{display:grid;grid-template-columns:1fr;gap:36px;align-items:center;}
@media (min-width:1024px){.check-layout{grid-template-columns:7fr 5fr;gap:56px;}}
.check-list{display:flex;flex-direction:column;gap:22px;margin-top:8px;}
.check-item{display:flex;gap:16px;align-items:flex-start;}
.check-num{flex:0 0 auto;width:36px;height:36px;border-radius:10px;background:var(--signal);color:#10201A;font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center;letter-spacing:.5px;}
.check-item h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.check-item p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.check-figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);background:var(--surface);}
.check-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.check-figure figcaption{font-size:13px;color:var(--muted);padding:12px 18px;background:var(--surface);}

/* ---------- 快捷入口深色卡 ---------- */
.quick-card{background:var(--brand-700);border-radius:var(--radius-lg);padding:36px 28px;color:#fff;box-shadow:var(--shadow-2);position:relative;overflow:hidden;}
.quick-card::after{content:"";position:absolute;right:-80px;top:-80px;width:240px;height:240px;border:1.5px solid rgba(200,241,105,.24);border-radius:50%;}
@media (min-width:768px){.quick-card{padding:48px 44px;}}
.quick-head{position:relative;z-index:2;max-width:640px;}
.quick-head h2{font-size:24px;font-weight:700;letter-spacing:-.2px;line-height:1.4;}
@media (min-width:1024px){.quick-head h2{font-size:28px;}}
.quick-head p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.78);line-height:1.8;}
.quick-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:0;margin-top:32px;border-top:1px solid rgba(255,255,255,.12);}
@media (min-width:768px){.quick-grid{grid-template-columns:repeat(3,1fr);}}
.quick-item{padding:22px 0;border-bottom:1px solid rgba(255,255,255,.12);}
@media (min-width:768px){
  .quick-item{padding:24px 24px 24px 0;border-bottom:none;border-right:1px solid rgba(255,255,255,.12);}
  .quick-item:last-child{border-right:none;padding-right:0;}
  .quick-item + .quick-item{padding-left:24px;}
}
.quick-item h3{font-size:17px;font-weight:600;color:#fff;margin-bottom:8px;}
.quick-item p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.8;margin-bottom:14px;}
.quick-item a{color:var(--signal);font-size:13.5px;font-weight:600;}
.quick-item a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;}

/* ---------- 订阅 CTA ---------- */
.cta-wrap{padding:56px 0;}
@media (min-width:1024px){.cta-wrap{padding:88px 0;}}
.cta-card{
  border-radius:var(--radius-lg);
  padding:40px 28px;
  color:#fff;
  background-image:linear-gradient(118deg, rgba(7,35,27,.94) 0%, rgba(14,59,46,.86) 58%, rgba(7,35,27,.9) 100%), url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-2);
}
@media (min-width:768px){.cta-card{padding:52px 48px;}}
.cta-inner{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;}
@media (min-width:1024px){.cta-inner{grid-template-columns:1fr auto;gap:48px;}}
.cta-inner h2{font-size:26px;font-weight:700;letter-spacing:-.3px;line-height:1.4;}
@media (min-width:1024px){.cta-inner h2{font-size:30px;}}
.cta-inner .cta-note{margin-top:10px;font-size:13.5px;color:rgba(255,255,255,.72);line-height:1.75;}
.cta-form{display:flex;flex-direction:column;gap:12px;width:100%;}
@media (min-width:640px){.cta-form{flex-direction:row;align-items:center;}}
.cta-form input{height:48px;border-radius:var(--radius-btn);border:1px solid transparent;padding:0 16px;background:#fff;color:var(--ink);font-size:15px;width:100%;}
@media (min-width:640px){.cta-form input{width:260px;}}
.cta-form input::placeholder{color:#93A29A;}
.cta-form input:focus{outline:2px solid var(--accent-500);outline-offset:2px;}

/* ---------- 页脚 ---------- */
.footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand-name{font-size:19px;font-weight:800;color:#fff;letter-spacing:-.2px;}
.footer-desc{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:360px;}
.footer-h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.4px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:13.5px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--signal);}
.footer-contact p{font-size:13.5px;color:rgba(255,255,255,.72);}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-bottom{margin-top:44px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-direction:column;gap:12px;font-size:13px;color:rgba(255,255,255,.55);}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}}
.footer-bottom-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom-links a{font-size:13px;color:rgba(255,255,255,.55);}
.footer-bottom-links a:hover{color:var(--signal);}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .5s ease-out,transform .5s ease-out;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  *{scroll-behavior:auto !important;}
}

/* roulang page: category4 */
:root{
  --brand-900:#07231B;
  --brand-700:#0E3B2E;
  --brand-500:#17694F;
  --accent-500:#FF6A1A;
  --accent-100:#FFE7D8;
  --signal:#C8F169;
  --bg:#F5F6F2;
  --surface:#FFFFFF;
  --line:#E3E6DE;
  --ink:#10201A;
  --muted:#5C6B63;
  --radius-card:16px;
  --radius-lg:24px;
  --shadow-card:0 1px 2px rgba(7,35,27,.06),0 12px 28px -12px rgba(7,35,27,.18);
  --shadow-hover:0 20px 36px -16px rgba(7,35,27,.26);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,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;border:0}
a{color:var(--brand-500);text-decoration:none;transition:color .15s ease}
a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px}
button,input{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0;list-style:none}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-900);color:rgba(255,255,255,.78);font-size:12.5px;letter-spacing:.3px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;padding:6px 20px;max-width:1200px;margin:0 auto}
@media (min-width:1024px){.topbar-inner{padding:6px 32px}}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}
.topbar-domain{color:#fff;font-weight:600;letter-spacing:.6px}
.topbar-dot{width:1px;height:12px;background:rgba(255,255,255,.25)}
.topbar-right{display:flex;align-items:center;gap:18px}
.topbar-right a{color:rgba(255,255,255,.78)}
.topbar-right a:hover{color:var(--signal);text-decoration:none}
@media (max-width:767px){
  .topbar-hide{display:none}
}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:0 10px 26px -20px rgba(7,35,27,.55)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none!important}
.brand:hover{text-decoration:none}
.brand-dot{width:8px;height:8px;background:var(--accent-500);border-radius:2px;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.15;color:var(--brand-900)}
.brand-name{font-size:20px;font-weight:800;letter-spacing:-.2px}
.brand-sub{font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.6px;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:26px 0;text-decoration:none!important;white-space:nowrap}
.nav-link:hover{color:var(--brand-700)}
.nav-link::after{content:"";position:absolute;left:0;bottom:16px;width:0;height:2px;background:var(--accent-500);transition:width .2s ease-out}
.nav-link:hover::after{width:24px}
.nav-link.active{color:var(--brand-700);font-weight:700}
.nav-link.active::after{width:24px}
.nav-actions{display:flex;align-items:center;gap:12px}
.icon-btn{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;transition:all .2s ease-out}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-700);background:#F2F6F3}
.nav-toggle{display:none;width:40px;height:40px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer}
.nav-toggle svg{width:22px;height:22px}
.search-panel{display:none;border-top:1px solid var(--line);background:#fff}
.search-panel.open{display:block}
.search-panel-inner{display:flex;gap:10px;padding:14px 20px;max-width:1200px;margin:0 auto}
@media (min-width:1024px){.search-panel-inner{padding:14px 32px}}
.search-input{flex:1;height:48px;border:1px solid var(--line);border-radius:10px;padding:0 16px;background:var(--bg);outline:none}
.search-input:focus{border-color:var(--accent-500);background:#fff;box-shadow:0 0 0 3px rgba(255,106,26,.15)}
.mobile-drawer{display:none;background:#fff;border-top:1px solid var(--line)}
.mobile-drawer.open{display:block}
.mobile-drawer-inner{padding:12px 20px 24px;max-width:1200px;margin:0 auto}
.mobile-link{display:block;padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px;font-weight:500;color:var(--ink)}
.mobile-link.active{color:var(--brand-700);font-weight:700;border-left:3px solid var(--accent-500);padding-left:12px}
.mobile-cta{margin-top:18px}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .desktop-cta{display:none}
}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:10px;font-size:16px;font-weight:600;border:1.5px solid transparent;cursor:pointer;text-decoration:none!important;transition:all .2s ease-out}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent-500);color:#fff}
.btn-primary:hover{background:#ED5E10;color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(255,106,26,.8)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-secondary{background:transparent;border:1.5px solid var(--brand-700);color:var(--brand-700);height:40px;padding:0 20px;font-size:14px}
.btn-secondary:hover{background:var(--brand-700);color:#fff;text-decoration:none}
.btn-ghost-white{background:transparent;border:1.5px solid rgba(255,255,255,.6);color:#fff;height:40px;padding:0 20px;font-size:14px}
.btn-ghost-white:hover{background:#fff;color:var(--brand-900);border-color:#fff;text-decoration:none}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:var(--accent-100);color:var(--brand-700);font-size:13px;font-weight:600;letter-spacing:.2px}
.badge-light{background:rgba(255,255,255,.14);color:#fff}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--brand-900)}
.page-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42}
.page-hero-mask{position:absolute;inset:0;background:linear-gradient(115deg,rgba(7,35,27,.94) 8%,rgba(7,35,27,.7) 52%,rgba(7,35,27,.35) 100%)}
.page-hero-inner{position:relative;padding:52px 0 56px;color:#fff}
@media (min-width:1024px){.page-hero-inner{padding:64px 0 72px}}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);letter-spacing:.3px;margin-bottom:18px}
.breadcrumb a{color:rgba(255,255,255,.8)}
.breadcrumb a:hover{color:var(--signal);text-decoration:none}
.breadcrumb .sep{color:rgba(255,255,255,.4)}
.breadcrumb .current{color:#fff}
.page-hero-title{font-size:28px;font-weight:800;line-height:1.25;letter-spacing:-.5px;max-width:840px}
@media (min-width:768px){.page-hero-title{font-size:38px}}
@media (min-width:1280px){.page-hero-title{font-size:44px}}
.page-hero-sub{margin-top:14px;font-size:15px;color:rgba(255,255,255,.82);letter-spacing:.4px}
.page-hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-tag{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);font-size:13px;color:#fff;letter-spacing:.3px}
.hero-tag i{width:6px;height:6px;background:var(--signal);border-radius:2px;display:inline-block}

/* ---------- 板块通用 ---------- */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:88px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:1.2px;color:var(--brand-500);text-transform:uppercase}
.eyebrow::before{content:"";width:18px;height:3px;background:var(--signal);border-radius:2px}
.sec-title{font-size:26px;font-weight:700;letter-spacing:-.3px;color:var(--brand-900);margin-top:10px;line-height:1.3}
@media (min-width:1024px){.sec-title{font-size:30px}}
.sec-desc{font-size:15px;color:var(--muted);margin-top:10px;max-width:720px}

/* ---------- 速览卡 ---------- */
.quick-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.quick-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.quick-grid{grid-template-columns:repeat(4,1fr)}}
.quick-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-card);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;display:flex;flex-direction:column;gap:10px}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(23,105,79,.3)}
.quick-num{width:34px;height:34px;border-radius:8px;background:var(--signal);color:#0A2418;font-size:14px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;letter-spacing:.4px}
.quick-title{font-size:17px;font-weight:600;color:var(--brand-900)}
.quick-text{font-size:14.5px;color:var(--muted);line-height:1.75}

/* ---------- 文档两栏 ---------- */
.doc-layout{display:grid;grid-template-columns:1fr;gap:32px;align-items:start}
@media (min-width:1024px){.doc-layout{grid-template-columns:260px 1fr;gap:48px}}
.doc-aside{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 20px;box-shadow:var(--shadow-card)}
@media (min-width:1024px){.doc-aside{position:sticky;top:100px}}
.aside-title{font-size:13px;font-weight:700;letter-spacing:1.2px;color:var(--muted);margin-bottom:14px}
.doc-toc{display:flex;flex-direction:column;gap:2px}
.toc-link{display:block;padding:10px 12px;border-radius:10px;font-size:14.5px;color:var(--muted);border-left:3px solid transparent;transition:all .18s ease-out;text-decoration:none!important}
.toc-link:hover{background:var(--bg);color:var(--brand-700)}
.toc-link.active{color:var(--brand-700);font-weight:700;background:#F1F5F2;border-left-color:var(--accent-500)}
@media (max-width:1023px){
  .doc-toc{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:4px}
  .toc-link{white-space:nowrap;border-left:none;border:1px solid var(--line);border-radius:999px;padding:8px 14px;font-size:13.5px}
  .toc-link.active{border-color:var(--brand-700);background:#EAF1ED}
}

.doc-body{min-width:0}
.doc-article{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 22px;box-shadow:var(--shadow-card);margin-bottom:22px;scroll-margin-top:110px}
@media (min-width:768px){.doc-article{padding:36px 34px}}
.doc-h2{position:relative;font-size:23px;font-weight:700;color:var(--brand-900);padding-left:14px;line-height:1.35}
@media (min-width:1024px){.doc-h2{font-size:27px}}
.doc-h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--accent-500)}
.doc-h3{font-size:18px;font-weight:600;color:var(--brand-700);margin-top:26px;margin-bottom:10px}
.doc-p{margin-top:16px;font-size:16px;line-height:1.85;color:var(--ink)}
.doc-p.muted{color:var(--muted);font-size:15px;line-height:1.8}
.doc-ol{margin-top:16px;counter-reset:step;display:flex;flex-direction:column;gap:14px}
.doc-ol li{position:relative;padding-left:44px;font-size:15.5px;line-height:1.8}
.doc-ol li::before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;left:0;top:3px;width:30px;height:30px;border-radius:8px;background:var(--brand-700);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;letter-spacing:.5px}
.doc-ul{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.doc-ul li{position:relative;padding-left:20px;font-size:15.5px;line-height:1.8;color:var(--ink)}
.doc-ul li::before{content:"";position:absolute;left:0;top:12px;width:7px;height:7px;border-radius:2px;background:var(--accent-500)}
.doc-note{margin-top:20px;border-left:3px solid var(--brand-700);background:#F1F5F2;padding:16px 20px;border-radius:0 12px 12px 0;font-size:15px;line-height:1.8;color:var(--ink)}
.doc-note.alert{border-left-color:var(--accent-500);background:var(--accent-100);color:#6B3410}
.doc-figure{margin-top:24px;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#fff}
.doc-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.doc-caption{font-size:13px;color:var(--muted);padding:10px 14px;letter-spacing:.3px;background:#fff}

/* ---------- 表格 ---------- */
.table-wrap{margin-top:20px;overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:var(--shadow-card)}
.doc-table{width:100%;min-width:660px;border-collapse:collapse;font-size:15px}
.doc-table th{background:var(--brand-700);color:#fff;font-weight:600;text-align:left;padding:0 18px;height:52px;font-size:14px;letter-spacing:.4px;white-space:nowrap}
.doc-table td{padding:12px 18px;min-height:48px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.75}
.doc-table tbody tr:nth-child(even){background:var(--bg)}
.doc-table tbody tr:last-child td{border-bottom:0}
.doc-table td:first-child{font-weight:600;color:var(--brand-900)}
.table-hint{margin-top:10px;font-size:13px;color:var(--muted);letter-spacing:.3px}

/* ---------- FAQ ---------- */
.faq-list{margin-top:28px;display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden;transition:border-color .2s ease-out}
.faq-item[open]{border-color:rgba(23,105,79,.35)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;padding:14px 22px;cursor:pointer;list-style:none;transition:background .2s ease-out}
.faq-q::-webkit-details-marker{display:none}
.faq-q:hover{background:#F3F7F4}
.faq-h3{font-size:17px;font-weight:600;color:var(--brand-900);line-height:1.5}
.faq-icon{position:relative;flex:none;width:22px;height:22px;border-radius:50%;border:1.5px solid var(--brand-500);transition:transform .2s ease-out}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand-500);transform:translate(-50%,-50%)}
.faq-icon::before{width:10px;height:1.6px}
.faq-icon::after{width:1.6px;height:10px;transition:opacity .2s ease-out}
.faq-item[open] .faq-icon{transform:rotate(180deg)}
.faq-item[open] .faq-icon::after{opacity:0}
.faq-a{padding:0 22px 20px;border-left:3px solid var(--accent-500);margin-left:0}
.faq-a p{font-size:15.5px;color:var(--muted);line-height:1.85}

/* ---------- CTA ---------- */
.cta-section{padding:56px 0}
@media (min-width:1024px){.cta-section{padding:88px 0}}
.cta-box{position:relative;overflow:hidden;border-radius:var(--radius-lg);background:var(--brand-900);padding:34px 24px;color:#fff}
@media (min-width:768px){.cta-box{padding:48px 44px}}
.cta-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.28}
.cta-mask{position:absolute;inset:0;background:linear-gradient(120deg,rgba(7,35,27,.92),rgba(14,59,46,.7))}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
@media (min-width:1024px){.cta-inner{grid-template-columns:1fr 1fr;gap:48px}}
.cta-title{font-size:24px;font-weight:700;line-height:1.35}
@media (min-width:1024px){.cta-title{font-size:28px}}
.cta-sub{margin-top:12px;font-size:13.5px;color:rgba(255,255,255,.72);letter-spacing:.3px}
.cta-form{display:flex;flex-wrap:wrap;gap:12px}
.cta-input{flex:1 1 220px;height:48px;border-radius:10px;border:1px solid rgba(255,255,255,.2);background:#fff;padding:0 16px;color:var(--ink);outline:none}
.cta-input:focus{border-color:var(--accent-500);box-shadow:0 0 0 3px rgba(255,106,26,.28)}

/* ---------- 返回顶部 ---------- */
.to-top{position:fixed;right:20px;bottom:24px;width:44px;height:44px;border-radius:50%;background:var(--brand-700);color:#fff;display:flex;align-items:center;justify-content:center;border:none;cursor:pointer;box-shadow:var(--shadow-card);opacity:0;visibility:hidden;transform:translateY(8px);transition:all .2s ease-out;z-index:70}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--accent-500)}
.to-top svg{width:20px;height:20px}

/* ---------- 页脚 ---------- */
.footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:56px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand-name{font-size:20px;font-weight:800;color:#fff;letter-spacing:-.2px}
.footer-desc{margin-top:14px;font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.footer-h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.6px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,.72);font-size:13.5px}
.footer-links a:hover{color:var(--signal);text-decoration:none}
.footer-contact p{font-size:13.5px;color:rgba(255,255,255,.68)}
.footer-contact strong{color:#fff;font-weight:600}
.footer-bottom{margin-top:44px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.56)}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom-links a{color:rgba(255,255,255,.62)}
.footer-bottom-links a:hover{color:var(--signal);text-decoration:none}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
  --brand-900:#07231B;
  --brand-700:#0E3B2E;
  --brand-500:#17694F;
  --accent-500:#FF6A1A;
  --accent-100:#FFE7D8;
  --signal:#C8F169;
  --bg:#F5F6F2;
  --surface:#FFFFFF;
  --line:#E3E6DE;
  --ink:#10201A;
  --muted:#5C6B63;
  --radius-card:16px;
  --radius-lg:24px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(7,35,27,.06), 0 12px 28px -12px rgba(7,35,27,.18);
  --shadow-2:0 2px 4px rgba(7,35,27,.08), 0 20px 36px -16px rgba(7,35,27,.26);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand-500);text-decoration:none;transition:color .15s ease,border-color .15s ease}
a:hover{color:var(--brand-700)}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-900);color:rgba(255,255,255,.76);font-size:12.5px;letter-spacing:.3px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:36px;gap:16px}
.topbar-left{display:flex;align-items:center;gap:10px}
.topbar-domain{color:#fff;font-weight:600}
.topbar-sep{width:1px;height:12px;background:rgba(255,255,255,.24)}
.topbar-note{color:rgba(255,255,255,.7)}
.topbar-right{display:flex;align-items:center;gap:18px}
.topbar-right a{color:rgba(255,255,255,.76)}
.topbar-right a:hover{color:var(--signal)}
@media(max-width:767px){
  .topbar-note,.topbar-right a:last-child{display:none}
}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:0 8px 24px -14px rgba(7,35,27,.3)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:9px;flex-shrink:0}
.brand-dot{width:9px;height:9px;border-radius:2px;background:var(--accent-500);display:inline-block}
.brand-name{font-size:20px;font-weight:800;color:var(--brand-900);letter-spacing:-.3px}
.brand-sub{font-size:12.5px;color:var(--muted);letter-spacing:.3px;padding-left:9px;border-left:1px solid var(--line)}
.brand:hover .brand-name{color:var(--brand-700)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-block;padding:10px 13px;font-size:15px;font-weight:500;
  color:var(--ink);border-radius:8px;white-space:nowrap;
}
.nav-link:hover{color:var(--brand-700);background:rgba(23,105,79,.07)}
.nav-link.active{color:var(--brand-700);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;
  width:24px;height:2px;border-radius:2px;background:var(--accent-500);
}
.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;background:var(--surface);cursor:pointer;
  transition:border-color .18s ease,background .18s ease,transform .18s ease;
}
.icon-btn:hover{border-color:var(--brand-500);background:#F3F7F4;transform:translateY(-1px)}
.icon-btn svg{width:18px;height:18px;stroke:var(--brand-700);fill:none;stroke-width:1.8;stroke-linecap:round}
.hamburger{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);cursor:pointer;align-items:center;justify-content:center;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--brand-700);border-radius:2px;position:relative}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-700);border-radius:2px;
}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}

.search-panel{max-height:0;overflow:hidden;transition:max-height .25s ease;border-top:1px solid transparent;background:var(--surface)}
.search-panel.open{max-height:110px;border-top-color:var(--line)}
.search-panel-inner{padding:16px 0 20px;display:flex;gap:10px}
.search-input{
  flex:1;height:48px;border:1px solid var(--line);border-radius:var(--radius-btn);
  padding:0 16px;background:var(--bg);font-size:15px;
}
.search-input::placeholder{color:#93A29A}
.search-input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,106,26,.24);background:#fff}

.mobile-drawer{
  display:none;position:fixed;left:0;right:0;top:0;bottom:0;background:#fff;z-index:80;
  padding:20px;overflow-y:auto;
}
.mobile-drawer.open{display:block}
.mobile-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.mobile-drawer-close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;
  font-size:18px;color:var(--brand-700);line-height:1;
}
.mobile-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:22px}
.mobile-nav a{
  padding:14px 12px;border-radius:12px;font-size:16px;font-weight:500;color:var(--ink);
  border:1px solid var(--line);background:var(--surface);
}
.mobile-nav a.active{color:var(--brand-700);font-weight:700;border-color:rgba(23,105,79,.4);background:#F3F7F4}
.mobile-cta{display:block;text-align:center}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);border:1.5px solid transparent;
  font-size:16px;font-weight:600;cursor:pointer;text-decoration:none;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 10px 22px -12px rgba(255,106,26,.75)}
.btn-primary:hover{background:#ED5C0D;color:#fff;transform:translateY(-1px);box-shadow:0 16px 30px -14px rgba(255,106,26,.8)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;border-color:var(--brand-700);color:var(--brand-700)}
.btn-outline:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.7);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb .current{color:var(--ink)}
.breadcrumb-light{color:rgba(255,255,255,.72)}
.breadcrumb-light a{color:rgba(255,255,255,.72)}
.breadcrumb-light a:hover{color:#fff}
.breadcrumb-light .current{color:#fff}

/* ---------- 分类页 Hero ---------- */
.page-hero{
  position:relative;color:#fff;min-height:340px;display:flex;align-items:center;
  background-color:var(--brand-900);
  background-image:linear-gradient(100deg,rgba(7,35,27,.93) 0%,rgba(7,35,27,.74) 48%,rgba(7,35,27,.4) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero-inner{position:relative;z-index:2;padding:44px 0 52px;max-width:820px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.2);font-size:13px;letter-spacing:.3px;color:#fff;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--signal);display:inline-block}
.page-hero h1{
  margin:18px 0 14px;font-size:40px;font-weight:800;letter-spacing:-.5px;line-height:1.25;
}
.page-hero .hero-sub{font-size:17px;color:rgba(255,255,255,.86);max-width:640px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-badges span{
  display:inline-block;padding:5px 13px;border-radius:999px;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);font-size:13px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
@media(max-width:767px){
  .page-hero{min-height:0}
  .page-hero-inner{padding:32px 0 40px}
  .page-hero h1{font-size:29px;letter-spacing:-.2px}
  .page-hero .hero-sub{font-size:15.5px}
}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0}
@media(min-width:1024px){.section{padding:96px 0}}
.section-head{margin-bottom:34px;max-width:760px}
.section-head .eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:1.6px;color:var(--brand-500);
  font-weight:700;text-transform:uppercase;margin-bottom:10px;
}
.section-head h2{font-size:28px;font-weight:700;letter-spacing:-.3px;position:relative;padding-left:16px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:3px;background:var(--brand-700);
}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;max-width:680px}
@media(min-width:1024px){.section-head h2{font-size:31px}}

/* ---------- 图卡组（2 列不等高） ---------- */
.visual-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:900px){.visual-grid{grid-template-columns:1.15fr .85fr;gap:26px;align-items:start}}
.visual-col{display:flex;flex-direction:column;gap:22px}
.vcard{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.vcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(23,105,79,.3)}
.vcard-media{position:relative;overflow:hidden;background:#E9EBE5}
.vcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out}
.vcard:hover .vcard-media img{transform:scale(1.04)}
.ratio-16x9{aspect-ratio:16/9}
.ratio-4x3{aspect-ratio:4/3}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--accent-100);color:var(--brand-700);font-size:13px;font-weight:600;
}
.badge-overlay{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);box-shadow:0 4px 12px -6px rgba(7,35,27,.5)}
.vcard-body{padding:22px}
.vcard-body h3{font-size:19px;font-weight:600;margin-bottom:10px}
.vcard-body p{font-size:15px;color:var(--muted);line-height:1.8}
.vcard-meta{margin-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted)}
.text-link{font-size:14.5px;font-weight:600;color:var(--brand-500);border-bottom:2px solid transparent;padding-bottom:2px}
.text-link:hover{color:var(--brand-700);border-bottom-color:var(--brand-500)}
.vcard-text{padding:24px;background:linear-gradient(180deg,#FFFFFF 0%,#F7F9F5 100%)}
.vcard-text h3{font-size:18px;margin-bottom:10px}
.vcard-text p{font-size:15px;color:var(--muted)}
.check-list{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.check-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--ink)}
.check-list li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:2px;background:var(--accent-500);
}

/* ---------- 数据徽章条 ---------- */
.stats-band{
  display:grid;grid-template-columns:repeat(2,1fr);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
}
@media(min-width:768px){.stats-band{grid-template-columns:repeat(4,1fr)}}
.stat{padding:26px 18px;text-align:center;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
@media(min-width:768px){.stat{border-bottom:none}.stat:nth-child(2n){border-right:1px solid var(--line)}.stat:last-child{border-right:none}}
@media(max-width:767px){.stat:nth-child(2n){border-right:none}}
.stat-num{font-size:34px;font-weight:800;color:var(--brand-700);line-height:1.1;letter-spacing:-.5px}
.stat-num small{font-size:14px;font-weight:600;margin-left:3px;color:var(--brand-500)}
.stat-label{font-size:13.5px;color:var(--muted);margin-top:8px;letter-spacing:.3px}

/* ---------- 服务速览 ---------- */
.svc-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:768px){.svc-grid{grid-template-columns:repeat(3,1fr)}}
.svc{
  background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--brand-700);
  border-radius:12px;padding:24px;transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.svc:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.svc h3{font-size:18px;margin-bottom:10px}
.svc p{font-size:14.8px;color:var(--muted)}
.svc-no{
  display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;
  background:var(--signal);color:#10301F;font-size:13px;font-weight:800;border-radius:8px;margin-bottom:14px;
}

/* ---------- 时间线 ---------- */
.timeline-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px 26px;box-shadow:var(--shadow-1);
}
@media(min-width:768px){.timeline-wrap{padding:40px 40px}}
.timeline{position:relative;padding-left:26px;border-left:2px solid var(--line)}
.tl-item{position:relative;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-35px;top:9px;width:12px;height:12px;border-radius:50%;
  background:var(--accent-500);box-shadow:0 0 0 4px var(--accent-100);
}
.tl-date{font-size:13px;color:var(--muted);letter-spacing:.3px}
.tl-item h3{font-size:17.5px;font-weight:600;margin:6px 0 8px}
.tl-item p{font-size:14.8px;color:var(--muted)}

/* ---------- 登录入口面板 ---------- */
.login-panel{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);color:#fff;
  background-color:var(--brand-900);
  background-image:linear-gradient(120deg,rgba(7,35,27,.96) 0%,rgba(7,35,27,.8) 60%,rgba(14,59,46,.7) 100%),
    url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  padding:34px 24px;box-shadow:var(--shadow-2);
}
@media(min-width:900px){
  .login-panel{display:grid;grid-template-columns:1.25fr .95fr;gap:40px;align-items:center;padding:46px 48px}
}
.login-panel h2{font-size:26px;letter-spacing:-.3px;margin-bottom:14px}
.login-panel p{color:rgba(255,255,255,.82);font-size:15.2px}
.login-points{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px}
.login-points span{
  padding:5px 13px;border-radius:999px;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.16);font-size:13px;
}
.login-card{
  background:#fff;border-radius:20px;padding:26px;color:var(--ink);margin-top:28px;
  box-shadow:0 24px 48px -22px rgba(0,0,0,.55);
}
@media(min-width:900px){.login-card{margin-top:0}}
.login-card h3{font-size:18px;margin-bottom:6px}
.login-card .hint{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:6px}
.field input{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--radius-btn);
  padding:0 14px;background:var(--bg);font-size:15px;
}
.field input::placeholder{color:#9AA8A0}
.field input:focus{outline:none;border-color:var(--accent-500);background:#fff;box-shadow:0 0 0 3px rgba(255,106,26,.22)}
.login-card .btn{width:100%}
.login-meta{margin-top:14px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13.5px;flex-wrap:wrap}
.login-meta a{color:var(--brand-500);font-weight:600}
.login-note{margin-top:14px;font-size:12.5px;color:var(--muted);border-top:1px dashed var(--line);padding-top:12px}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;
  transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.faq-item[open]{box-shadow:var(--shadow-1);border-color:rgba(23,105,79,.32);box-shadow:inset 3px 0 0 var(--accent-500),var(--shadow-1)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:62px;padding:16px 22px;font-size:16.5px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";flex-shrink:0;width:9px;height:9px;border-right:2px solid var(--brand-500);
  border-bottom:2px solid var(--brand-500);transform:rotate(45deg);transition:transform .2s ease;margin-top:-4px;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:4px}
.faq-item summary:hover{color:var(--brand-700)}
.faq-answer{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.85}

/* ---------- CTA 订阅 ---------- */
.cta-block{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);color:#fff;
  background-color:var(--brand-900);
  background-image:linear-gradient(115deg,rgba(7,35,27,.95) 0%,rgba(7,35,27,.78) 55%,rgba(14,59,46,.68) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:36px 24px;box-shadow:var(--shadow-2);
}
@media(min-width:900px){
  .cta-block{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:48px 52px}
}
.cta-block h2{font-size:26px;letter-spacing:-.3px;margin-bottom:12px}
.cta-block p{color:rgba(255,255,255,.8);font-size:15px}
.cta-form{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
@media(min-width:900px){.cta-form{margin-top:0}}
.cta-form input{
  flex:1 1 220px;height:48px;border:1px solid rgba(255,255,255,.24);border-radius:var(--radius-btn);
  background:#fff;padding:0 16px;font-size:15px;color:var(--ink);
}
.cta-form input::placeholder{color:#93A29A}
.cta-form input:focus{outline:none;box-shadow:0 0 0 3px rgba(255,106,26,.4)}
.cta-hint{margin-top:14px;font-size:12.5px;color:rgba(255,255,255,.66)}
@media(min-width:900px){.cta-hint{grid-column:2}}

/* ---------- 页脚 ---------- */
.footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:24px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:9px;margin-bottom:14px}
.footer-brand-name{color:#fff;font-size:20px;font-weight:800;letter-spacing:-.3px}
.footer-desc{font-size:14.2px;line-height:1.85;color:rgba(255,255,255,.68);max-width:340px}
.footer-h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:rgba(255,255,255,.72);font-size:14.2px}
.footer-links a:hover{color:var(--signal)}
.footer-contact p{font-size:14.2px;color:rgba(255,255,255,.72)}
.footer-contact strong{color:#fff}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom-links a{color:rgba(255,255,255,.6)}
.footer-bottom-links a:hover{color:var(--signal)}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .vcard:hover,.svc:hover,.btn:hover{transform:none}
}