/* roulang page: index */
:root{
  --brand-900:#0B3D33;
  --brand-700:#0E5A48;
  --brand-500:#14B87A;
  --brand-300:#6FE0B4;
  --accent-500:#FF6B2C;
  --accent-300:#FFB27A;
  --ink-900:#0F1A16;
  --ink-600:#4A5B54;
  --ink-400:#7C8C84;
  --line:#E3ECE7;
  --bg:#F5F8F6;
  --card:#FFFFFF;
  --grad-brand:linear-gradient(135deg,#0B3D33 0%,#0E5A48 45%,#14B87A 100%);
  --grad-cta:linear-gradient(135deg,#FF7A2F 0%,#FF4D2E 100%);
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-sm:0 8px 24px rgba(14,79,69,.08);
  --shadow-lg:0 16px 36px rgba(14,79,69,.14);
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.85;color:var(--ink-900);background:var(--bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;color:var(--brand-700);text-wrap:balance}
p{margin:0 0 18px}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
::selection{background:var(--brand-300);color:var(--brand-900)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}
@media (min-width:1441px){.container{max-width:1200px}}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid transparent;transition:box-shadow .25s ease,border-color .25s ease}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 8px 24px rgba(14,79,69,.06)}
.topbar-row{display:flex;align-items:center;gap:16px;height:56px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--grad-brand);display:grid;place-items:center;color:#fff;box-shadow:0 6px 14px rgba(14,90,72,.28);flex:0 0 auto}
.brand-mark svg{width:18px;height:18px}
.brand-text{font-size:18px;font-weight:700;letter-spacing:-.01em;color:var(--brand-900);white-space:nowrap}
@media (max-width:639px){.brand-text{font-size:15px}.brand-mark{width:28px;height:28px}}
.hot-tags{display:flex;align-items:center;gap:8px;margin-left:8px;max-width:560px;overflow:hidden;transition:opacity .25s ease,max-width .3s ease,margin .3s ease}
.site-header.is-stuck .hot-tags{opacity:0;max-width:0;margin-left:0;pointer-events:none}
.hot-tags a{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-600);background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:5px 12px;white-space:nowrap;transition:background .2s,color .2s,border-color .2s}
.hot-tags a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500)}
.hot-tags a:hover{background:rgba(111,224,180,.2);border-color:var(--brand-300);color:var(--brand-700)}
@media (max-width:1180px){.hot-tags{display:none}}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:0 14px;height:40px;transition:border-color .2s,box-shadow .2s}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 2px rgba(20,184,122,.18)}
.search-box i{color:var(--ink-400);font-size:14px}
.search-box input{border:0;background:transparent;outline:none;width:150px;font-size:14px}
.search-box input::placeholder{color:var(--ink-400)}
@media (max-width:900px){.search-box{display:none}}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--brand-700);align-items:center;justify-content:center;cursor:pointer;transition:background .2s}
.nav-toggle:hover{background:var(--bg)}
@media (max-width:900px){.nav-toggle{display:inline-flex}}
.channel-row{border-top:1px solid var(--line)}
.channel-nav{display:flex;gap:30px;height:44px;align-items:center;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-nav a{position:relative;display:inline-flex;align-items:center;height:44px;font-size:15px;color:var(--ink-600);white-space:nowrap;transition:color .2s}
.channel-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--grad-brand);opacity:0;transform:scaleX(.4);transition:opacity .22s,transform .22s}
.channel-nav a:hover{color:var(--brand-700)}
.channel-nav a.active{color:var(--brand-700);font-weight:600}
.channel-nav a.active::after{opacity:1;transform:scaleX(1)}

/* ---------- 抽屉 ---------- */
.overlay{position:fixed;inset:0;background:rgba(11,61,51,.42);opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:110}
.overlay.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);background:#fff;z-index:120;transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column;box-shadow:-16px 0 40px rgba(9,40,32,.18)}
.drawer.open{transform:none}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:62px;padding:0 20px;border-bottom:1px solid var(--line)}
.drawer-top strong{font-size:16px;color:var(--brand-900)}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--brand-700);cursor:pointer}
.drawer-links a{display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 20px;font-size:16px;color:var(--ink-600);border-bottom:1px solid var(--line);transition:background .2s,color .2s}
.drawer-links a:hover{background:var(--bg)}
.drawer-links a.active{color:var(--brand-700);font-weight:600;background:rgba(111,224,180,.12)}
.drawer-tags{padding:18px 20px;display:flex;flex-wrap:wrap;gap:8px}
.drawer-tags a{font-size:13px;color:var(--ink-600);background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:5px 12px}
.drawer-foot{margin-top:auto;padding:20px;border-top:1px solid var(--line)}
.drawer-foot .btn{width:100%}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:12px;font-size:15px;font-weight:600;border:0;cursor:pointer;min-height:44px;line-height:1;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;text-align:center}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 10px 24px rgba(255,77,46,.26)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(255,77,46,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,77,46,.28)}
.btn-outline{background:transparent;border:1.5px solid var(--brand-500);color:var(--brand-700)}
.btn-outline:hover{background:rgba(111,224,180,.2)}
.btn-outline:active{background:rgba(111,224,180,.32)}
.btn-ghost{background:transparent;border:1.5px solid rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--brand-900);border-color:#fff}
.btn-ghost:active{background:rgba(255,255,255,.86)}
.btn-pill{border-radius:999px}
.btn-sm{padding:10px 18px;font-size:14px;min-height:40px;border-radius:10px}
.btn-block{width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);transition:color .2s,gap .2s}
.text-link:hover{color:var(--brand-500);gap:10px}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--grad-brand);color:#EAF7F1;overflow:hidden;padding:74px 0 84px}
.hero::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.055) 0 1px,transparent 1px 15px);pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.14;mix-blend-mode:overlay;pointer-events:none}
.hero-glow{position:absolute;width:760px;height:760px;right:-200px;top:-280px;border-radius:50%;background:radial-gradient(circle,rgba(111,224,180,.42) 0%,rgba(111,224,180,0) 68%);pointer-events:none}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.32fr 1fr;gap:48px;align-items:center}
@media (max-width:1023px){.hero-grid{grid-template-columns:1fr;gap:38px}}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);color:#EAF7F1;font-size:13px;padding:6px 14px;border-radius:999px}
.hero-tag i{color:var(--brand-300)}
.hero h1{color:#fff;font-size:clamp(30px,4.4vw,46px);font-weight:700;line-height:1.28;letter-spacing:-.01em;margin:18px 0 16px}
.hero-sub{font-size:17px;color:rgba(234,247,241,.82);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.badges{display:flex;flex-wrap:wrap;gap:12px}
.badge{display:inline-flex;align-items:baseline;gap:6px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.24);border-radius:999px;padding:8px 16px;color:#EAF7F1}
.badge b{font-size:26px;font-weight:700;color:#fff;line-height:1;font-variant-numeric:tabular-nums}
.badge small{font-size:12px;color:rgba(234,247,241,.72)}
.badge-light{background:rgba(111,224,180,.2);border-color:transparent;color:var(--brand-700)}
.badge-light b{color:var(--brand-700)}
.badge-light small{color:var(--brand-700);opacity:.8}
.hero-media{position:relative;border-radius:24px;overflow:hidden;border:1px solid rgba(255,255,255,.24);box-shadow:0 24px 60px rgba(4,32,25,.35)}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.float-card{position:absolute;right:-8px;bottom:-16px;background:#fff;color:var(--ink-900);border-radius:16px;padding:14px 16px;box-shadow:0 16px 36px rgba(4,32,25,.28);max-width:240px;transform:translateY(-6px)}
.float-card .fc-top{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--brand-700);font-weight:600;margin-bottom:6px}
.float-card .fc-dot{width:8px;height:8px;border-radius:50%;background:var(--brand-500);box-shadow:0 0 0 4px rgba(20,184,122,.18)}
.float-card p{font-size:13px;line-height:1.6;color:var(--ink-600);margin:0 0 8px}
.float-card a{font-size:13px;font-weight:600;color:var(--accent-500)}
@media (max-width:639px){.float-card{right:12px;bottom:12px;max-width:200px}}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
@media (max-width:1023px){.section{padding:64px 0}}
@media (max-width:639px){.section{padding:48px 0}}
.section-alt{background:#fff}
.section-head{max-width:740px;margin-bottom:42px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:12px}
.section-head p{color:var(--ink-600);font-size:16px;margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-500);letter-spacing:.04em;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand)}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:38px}
.head-row .section-head{margin-bottom:0}

/* ---------- 三步上手 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;position:relative}
.steps::before{content:"";position:absolute;top:56px;left:8%;right:8%;border-top:1px dashed var(--line);z-index:0}
.step-card{position:relative;z-index:1;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 26px 24px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.step-num{font-size:38px;font-weight:700;line-height:1;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.step-icon{margin-top:16px;width:40px;height:40px;border-radius:12px;background:rgba(111,224,180,.2);color:var(--brand-700);display:grid;place-items:center;font-size:16px}
.step-card h3{font-size:19px;margin:14px 0 10px}
.step-card p{color:var(--ink-600);font-size:15px;margin:0}
.step-link{margin-top:18px}
@media (max-width:1023px){
  .steps{grid-template-columns:1fr;gap:20px}
  .steps::before{left:20px;top:40px;bottom:40px;right:auto;border-top:0;border-left:2px dashed var(--line)}
}

/* ---------- 案例 ---------- */
.case-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;padding:44px 0}
.case-row + .case-row{border-top:1px solid var(--line)}
.case-row.reverse .case-media{order:2}
.case-media{position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.case-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.case-badge{position:absolute;left:16px;bottom:16px;background:#fff;border-radius:14px;padding:10px 16px;box-shadow:0 12px 28px rgba(14,79,69,.18);display:flex;align-items:baseline;gap:6px}
.case-badge b{color:var(--accent-500);font-size:22px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums}
.case-badge small{font-size:12px;color:var(--ink-400)}
.case-body h3{font-size:20px;margin-bottom:12px;color:var(--brand-700)}
.case-body p{color:var(--ink-600);font-size:15px}
.case-body .badges{margin:18px 0 0}
.quote{margin-top:20px;padding:16px 20px;background:rgba(111,224,180,.18);border-left:4px solid var(--brand-500);border-radius:0 12px 12px 0;color:var(--brand-700);font-size:15px;position:relative}
.quote::before{content:"“";font-size:26px;line-height:1;color:var(--brand-500);margin-right:4px}
@media (max-width:900px){
  .case-row{grid-template-columns:1fr;gap:26px;padding:34px 0}
  .case-row.reverse .case-media{order:0}
  .case-row.reverse .case-body{order:1}
}

/* ---------- 登录前准备 ---------- */
.check-wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:start}
@media (max-width:900px){.check-wrap{grid-template-columns:1fr;gap:28px}}
.check-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:14px 28px;box-shadow:var(--shadow-sm)}
.check-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--ink-600);line-height:1.7}
.check-list li:last-child{border-bottom:0}
.check-list i{color:var(--brand-500);margin-top:5px;flex:0 0 auto}
.check-list strong{display:block;color:var(--ink-900);font-weight:600;margin-bottom:2px;font-size:15px}

/* ---------- 资讯列表 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media (max-width:1199px){.grid-4{grid-template-columns:repeat(3,1fr)}}
@media (max-width:900px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.grid-4{grid-template-columns:1fr}}
.news-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:rgba(111,224,180,.16)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.tag{display:inline-block;align-self:flex-start;background:rgba(111,224,180,.2);color:var(--brand-700);font-size:12px;padding:4px 10px;border-radius:999px;margin-bottom:10px}
.news-title{font-size:17px;color:var(--ink-900);margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.5}
.news-card:hover .news-title{color:var(--brand-700)}
.news-excerpt{font-size:14px;color:var(--ink-600);line-height:1.75;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-400);border-top:1px solid var(--line);padding-top:12px;font-variant-numeric:tabular-nums}
.news-foot i{color:var(--brand-500)}
.empty-state{grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-lg);padding:56px 24px;text-align:center;color:var(--ink-400)}
.empty-state i{font-size:30px;color:var(--brand-300);display:block;margin-bottom:14px}
.empty-state p{margin:0 0 18px;font-size:15px}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:1fr 2fr;gap:44px;align-items:start}
@media (max-width:900px){.faq-wrap{grid-template-columns:1fr;gap:26px}}
.faq-aside{background:rgba(111,224,180,.16);border:1px solid rgba(20,184,122,.24);border-radius:var(--radius-lg);padding:26px}
.faq-aside h3{font-size:18px;margin-bottom:10px}
.faq-aside p{font-size:14px;color:var(--ink-600);margin-bottom:18px}
.acc-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);margin-bottom:14px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
.acc-item.open{border-color:var(--brand-300);box-shadow:var(--shadow-sm)}
.acc-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;background:transparent;border:0;text-align:left;padding:0 24px;min-height:56px;font-size:16px;font-weight:600;color:var(--ink-900);cursor:pointer;transition:color .2s}
.acc-q:hover{color:var(--brand-700)}
.acc-icon{position:relative;flex:0 0 auto;width:22px;height:22px;transition:transform .22s ease-out}
.acc-icon::before,.acc-icon::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--brand-500);border-radius:2px}
.acc-icon::before{width:14px;height:2px}
.acc-icon::after{width:2px;height:14px}
.acc-item.open .acc-icon{transform:rotate(45deg)}
.acc-a{max-height:0;overflow:hidden;transition:max-height .22s ease-out}
.acc-a-inner{position:relative;padding:0 24px 22px 42px;font-size:15px;color:var(--ink-600);line-height:1.8}
.acc-a-inner::before{content:"";position:absolute;left:24px;top:2px;bottom:22px;width:3px;border-radius:3px;background:var(--grad-brand)}

/* ---------- CTA ---------- */
.cta{position:relative;background:var(--grad-brand);color:#EAF7F1;overflow:hidden;padding:84px 0}
.cta::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 15px);pointer-events:none}
.cta-glow{position:absolute;width:620px;height:620px;left:-180px;bottom:-260px;border-radius:50%;background:radial-gradient(circle,rgba(111,224,180,.36) 0%,rgba(111,224,180,0) 68%);pointer-events:none}
.cta .container{position:relative;z-index:2}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
@media (max-width:900px){.cta-grid{grid-template-columns:1fr;gap:30px}}
.cta h2{color:#fff;font-size:clamp(24px,2.6vw,32px);margin-bottom:14px}
.cta-lead{color:rgba(234,247,241,.8);font-size:16px;max-width:480px}
.cta-points{margin:26px 0 0}
.cta-points li{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px;color:rgba(234,247,241,.9);font-size:15px}
.cta-points i{color:var(--brand-300);margin-top:5px}
.form-card{background:#fff;border-radius:var(--radius-lg);padding:30px;box-shadow:0 24px 60px rgba(4,32,25,.28)}
.form-card h3{font-size:19px;margin-bottom:6px;color:var(--brand-700)}
.form-card .form-note{font-size:13px;color:var(--ink-400);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;color:var(--ink-600);margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;min-height:48px;border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:#fff;outline:none;font-size:15px;transition:border-color .2s,box-shadow .2s;appearance:none}
.field textarea{min-height:96px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand-500);box-shadow:0 0 0 2px rgba(20,184,122,.2)}
.field select{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%237C8C84' d='M6 8 0 0h12z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}
.checkbox{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-600);line-height:1.7;margin:4px 0 20px}
.checkbox input{width:18px;height:18px;min-height:18px;margin-top:3px;accent-color:var(--brand-500);flex:0 0 auto}
.form-msg{margin:14px 0 0;font-size:14px;color:var(--brand-700);min-height:20px}
@media (max-width:639px){.form-card{padding:22px 20px}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(234,247,241,.78);border-top:1px solid rgba(255,255,255,.14);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:48px}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.site-footer li{margin-bottom:2px}
.site-footer a{color:rgba(234,247,241,.72);font-size:14px;line-height:2;transition:color .2s}
.site-footer a:hover{color:var(--brand-300)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none;border:1px solid rgba(255,255,255,.24)}
.footer-brand span{color:#fff;font-size:17px;font-weight:700}
.footer-brand p{color:rgba(234,247,241,.7);font-size:14px;margin:0 0 18px;line-height:1.8}
.socials{display:flex;gap:10px}
.socials a{width:38px;height:38px;border-radius:12px;border:1px solid rgba(255,255,255,.18);display:grid;place-items:center;color:rgba(234,247,241,.8);font-size:14px;transition:background .2s,color .2s}
.socials a:hover{background:rgba(111,224,180,.2);color:#fff}
.footer-contact li{color:rgba(234,247,241,.72);font-size:14px;line-height:2}
.footer-contact i{width:18px;color:var(--brand-300);margin-right:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);min-height:60px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(234,247,241,.6);padding:14px 0}
.footer-bottom a{font-size:13px;color:rgba(234,247,241,.6)}
.footer-bottom a:hover{color:var(--brand-300)}
.footer-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap}
@media (max-width:639px){.site-footer{padding-top:44px}.site-footer a,.footer-contact li,.footer-brand p{font-size:14px}}

/* roulang page: article */
:root{
  --brand-900:#0B3D33;
  --brand-700:#0E5A48;
  --brand-500:#14B87A;
  --brand-300:#6FE0B4;
  --accent-500:#FF6B2C;
  --accent-300:#FFB27A;
  --ink-900:#0F1A16;
  --ink-600:#4A5B54;
  --ink-400:#7C8C84;
  --line:#E3ECE7;
  --bg:#F5F8F6;
  --card:#FFFFFF;
  --grad-brand:linear-gradient(135deg,#0B3D33 0%,#0E5A48 45%,#14B87A 100%);
  --grad-cta:linear-gradient(135deg,#FF7A2F 0%,#FF4D2E 100%);
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(14,79,69,.08);
  --shadow-hover:0 16px 36px rgba(14,79,69,.14);
  --container:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,h5{font-family:inherit;color:var(--ink-900);margin:0;font-weight:600;line-height:1.35;letter-spacing:-.01em;}
p{margin:0 0 18px;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease;}
a:hover{color:var(--brand-500);}
img{max-width:100%;display:block;border-style:none;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(20,184,122,.28);}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}
@media (min-width:1440px){.container{max-width:1240px;}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(14,79,69,.06);}
.topbar-row{display:flex;align-items:center;gap:16px;height:56px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink-900);font-weight:700;font-size:17px;}
.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--grad-brand);color:#EAF7F1;flex:0 0 auto;}
.brand-mark svg{width:18px;height:18px;}
.brand-text{color:var(--brand-900);white-space:nowrap;}
.hot-tags{display:flex;gap:8px;margin-left:6px;overflow:hidden;transition:opacity .25s ease,max-width .3s ease,margin .3s ease;}
.hot-tags a{font-size:13px;color:var(--ink-600);background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:5px 12px;white-space:nowrap;line-height:1.4;}
.hot-tags a:hover{color:var(--brand-700);background:rgba(111,224,180,.2);border-color:var(--brand-300);}
.site-header.is-scrolled .hot-tags{opacity:0;max-width:0;margin:0;pointer-events:none;}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 12px;height:40px;width:228px;transition:border-color .2s ease,box-shadow .2s ease;}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(20,184,122,.14);}
.search-box i{color:var(--ink-400);font-size:13px;}
.search-box input{border:0;background:transparent;outline:none;font-size:14px;width:100%;color:var(--ink-900);height:38px;}
.search-box input::placeholder{color:var(--ink-400);}
.channel-row{border-top:1px solid var(--line);}
.channel-nav{display:flex;gap:26px;align-items:stretch;}
.channel-nav a{position:relative;display:flex;align-items:center;height:44px;font-size:15px;color:var(--ink-600);font-weight:500;}
.channel-nav a:hover{color:var(--brand-700);}
.channel-nav a.active{color:var(--brand-700);font-weight:600;}
.channel-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--grad-brand);}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--radius-sm);border:1px solid var(--line);background:#fff;color:var(--ink-900);cursor:pointer;place-items:center;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;text-align:center;line-height:1.2;}
.btn-primary{background-image:var(--grad-cta);color:#fff;box-shadow:0 10px 22px rgba(255,77,46,.24);}
.btn-primary:hover{color:#fff;transform:translateY(-1px);background-image:linear-gradient(135deg,#FF8A3F 0%,#FF5F3E 100%);box-shadow:0 14px 28px rgba(255,77,46,.3);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;border:1.5px solid var(--brand-500);color:var(--brand-700);}
.btn-outline:hover{background:rgba(111,224,180,.2);color:var(--brand-700);transform:translateY(-1px);}
.btn-ghost{background:transparent;border:1.5px solid rgba(255,255,255,.4);color:#EAF7F1;}
.btn-ghost:hover{background:#fff;color:var(--brand-900);border-color:#fff;}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px;}
.btn-pill{border-radius:999px;}
.btn-block{width:100%;}
.btn:disabled{opacity:.45;cursor:not-allowed;}

/* ---------- 文章头图带 ---------- */
.article-band{position:relative;background:var(--grad-brand);color:#EAF7F1;padding:40px 0 92px;overflow:hidden;}
.article-band::before{content:"";position:absolute;inset:0;background-image:url(/assets/images/backpic/back-1.webp);background-size:cover;background-position:center;opacity:.14;}
.article-band::after{content:"";position:absolute;right:-140px;top:-160px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(111,224,180,.42) 0%,rgba(111,224,180,0) 70%);}
.article-band .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 16px;font-size:13px;color:rgba(234,247,241,.72);}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"›";opacity:.6;}
.breadcrumb a{color:rgba(234,247,241,.86);}
.breadcrumb a:hover{color:#fff;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);color:#EAF7F1;border-radius:999px;padding:6px 14px;font-size:13px;margin-bottom:16px;}
.eyebrow i{color:var(--brand-300);font-size:12px;}
.article-band h1{color:#fff;font-size:clamp(25px,3.5vw,40px);line-height:1.3;max-width:920px;text-wrap:balance;}

/* ---------- 正文卡 ---------- */
.article-wrap{margin-top:-52px;position:relative;z-index:5;padding-bottom:8px;}
.post-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:26px 22px;}
@media (min-width:1024px){.post-card{padding:44px 48px;}}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--ink-400);padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:26px;}
.post-meta span{display:inline-flex;align-items:center;gap:6px;}
.post-meta i{color:var(--brand-500);font-size:12px;}
.post-meta .sep{width:1px;height:14px;background:var(--line);padding:0;}
.article-body{font-size:16px;line-height:1.9;color:var(--ink-600);max-width:820px;}
.article-body p{margin:0 0 20px;}
.article-body h2{font-size:clamp(21px,2.3vw,28px);margin:36px 0 16px;padding-left:14px;position:relative;}
.article-body h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--grad-brand);}
.article-body h3{font-size:19px;margin:24px 0 12px;}
.article-body li{position:relative;padding-left:22px;margin-bottom:10px;}
.article-body ul li::before{content:"";position:absolute;left:4px;top:12px;width:7px;height:7px;border-radius:50%;background:var(--brand-500);}
.article-body ol{counter-reset:item;}
.article-body ol li{counter-increment:item;padding-left:34px;}
.article-body ol li::before{content:counter(item);position:absolute;left:0;top:3px;width:22px;height:22px;border-radius:50%;background:rgba(111,224,180,.25);color:var(--brand-700);font-size:12px;font-weight:700;display:grid;place-items:center;}
.article-body blockquote{margin:24px 0;padding:20px 24px;background:rgba(111,224,180,.18);border-left:4px solid var(--brand-500);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--ink-900);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;margin:24px auto;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-400);text-align:center;margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;border:1px solid var(--line);font-size:15px;border-radius:var(--radius-sm);overflow:hidden;}
.article-body th{background-image:var(--grad-brand);color:#fff;font-weight:600;text-align:left;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);}
.article-body tbody tr:nth-child(even){background:var(--bg);}
.article-body tbody tr:hover{background:rgba(111,224,180,.14);}
.article-body a{color:var(--brand-700);text-decoration:underline;text-decoration-color:rgba(20,184,122,.4);text-underline-offset:3px;}
.empty-state{text-align:center;padding:52px 20px;border:1px dashed var(--line);border-radius:16px;background:var(--bg);}
.empty-state i{font-size:26px;color:var(--brand-500);margin-bottom:12px;display:block;}
.empty-state p{margin:0 0 18px;font-size:15px;color:var(--ink-600);}

/* ---------- 文末 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line);}
.tag{font-size:13px;padding:6px 14px;border-radius:999px;background:rgba(111,224,180,.2);color:var(--brand-700);}
.tag:hover{background:rgba(111,224,180,.36);color:var(--brand-900);}
.post-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:24px;}
.post-nav{display:grid;gap:14px;margin-top:26px;}
.post-nav a{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 20px;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--bg);color:var(--ink-900);}
.post-nav a:hover{border-color:var(--brand-300);box-shadow:var(--shadow);transform:translateY(-2px);color:var(--brand-700);}
.post-nav .dir{font-size:12px;color:var(--ink-400);white-space:nowrap;}
.post-nav .ttl{font-size:15px;font-weight:600;}

/* ---------- 侧栏 ---------- */
.side-sticky{position:sticky;top:96px;margin-top:28px;}
@media (min-width:1024px){.side-sticky{margin-top:52px;}}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:22px 22px 18px;}
.side-card h2{font-size:17px;margin-bottom:8px;}
.side-card .side-sub{font-size:13px;color:var(--ink-400);margin-bottom:12px;}
.rec-list li{padding:14px 0;border-bottom:1px solid var(--line);}
.rec-list li:last-child{border-bottom:0;padding-bottom:4px;}
.rec-list a{display:block;font-size:15px;font-weight:500;color:var(--ink-900);line-height:1.6;}
.rec-list a:hover{color:var(--brand-700);}
.rec-list .meta{font-size:12px;color:var(--ink-400);margin-top:6px;display:flex;gap:8px;align-items:center;}
.side-tip{margin-top:18px;padding:18px;border-radius:var(--radius-md);background:rgba(111,224,180,.18);border:1px solid rgba(20,184,122,.2);}
.side-tip p{font-size:14px;margin:0 0 14px;color:var(--brand-700);}
.side-tip .btn{width:100%;}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0;}
@media (max-width:1023px){.section{padding:56px 0;}}
@media (max-width:639px){.section{padding:44px 0;}}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);}
.section-head p{margin:10px 0 0;font-size:15px;color:var(--ink-400);}
.figure-cover{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:16/10;background:rgba(111,224,180,.14);}
.figure-cover img{width:100%;height:100%;object-fit:cover;}
.step-list{display:grid;gap:18px;}
.step-item{display:flex;gap:16px;padding:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.step-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brand-300);}
.step-num{flex:0 0 auto;width:38px;height:38px;border-radius:999px;display:grid;place-items:center;background-image:var(--grad-brand);color:#EAF7F1;font-weight:700;font-size:15px;}
.step-item h3{font-size:17px;margin-bottom:6px;}
.step-item p{margin:0;font-size:14.5px;color:var(--ink-600);}
.badge-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;}
.stat-badge{display:inline-flex;align-items:baseline;gap:6px;background:rgba(111,224,180,.2);border:1px solid rgba(20,184,122,.24);border-radius:999px;padding:9px 18px;color:var(--brand-700);}
.stat-badge b{font-size:24px;font-weight:700;color:var(--accent-500);line-height:1;}
.stat-badge span{font-size:12px;color:var(--ink-600);}

/* ---------- FAQ ---------- */
.faq-side{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:24px;margin-bottom:20px;}
.faq-side h2{font-size:22px;margin-bottom:10px;}
.faq-side p{font-size:14.5px;margin-bottom:18px;}
.faq-list{display:grid;gap:12px;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden;}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:14px 22px;cursor:pointer;font-size:16px;font-weight:600;color:var(--ink-900);list-style:none;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:22px;font-weight:400;line-height:1;color:var(--brand-500);transition:transform .22s ease-out;flex:0 0 auto;}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 22px 20px;font-size:15px;color:var(--ink-600);}
.faq-item[open] .faq-body{border-left:3px solid var(--brand-500);background:linear-gradient(90deg,rgba(111,224,180,.14),rgba(111,224,180,0));padding:6px 22px 22px 24px;}
.faq-body p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-band{position:relative;background:var(--grad-brand);border-radius:24px;padding:36px 28px;color:#EAF7F1;overflow:hidden;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;}
@media (min-width:1024px){.cta-band{padding:44px 48px;}}
.cta-band::after{content:"";position:absolute;left:-100px;bottom:-160px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,107,44,.35) 0%,rgba(255,107,44,0) 70%);}
.cta-band .cta-text{position:relative;z-index:2;max-width:620px;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.5vw,30px);margin-bottom:10px;}
.cta-band p{color:rgba(234,247,241,.76);margin:0;font-size:15px;}
.cta-band .cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(234,247,241,.72);margin-top:72px;padding-top:56px;border-top:1px solid rgba(255,255,255,.14);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#EAF7F1;font-weight:700;font-size:17px;margin-bottom:14px;}
.site-footer p{font-size:14px;color:rgba(234,247,241,.72);max-width:340px;}
.site-footer h4{color:#EAF7F1;font-size:15px;margin:0 0 16px;}
.site-footer ul{display:grid;gap:10px;}
.site-footer a{color:rgba(234,247,241,.72);font-size:14px;}
.site-footer a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.7;}
.footer-contact i{color:var(--brand-300);margin-top:5px;font-size:13px;}
.socials{display:flex;gap:10px;margin-top:18px;}
.socials a{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#EAF7F1;}
.socials a:hover{background:rgba(255,255,255,.18);}
.footer-bottom{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;font-size:13px;margin-top:44px;border-top:1px solid rgba(255,255,255,.14);min-height:60px;padding:16px 0;}
.fb-links{display:flex;gap:16px;}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(11,61,51,.45);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:70;}
.drawer-mask.open{opacity:1;visibility:visible;}
.mobile-drawer{position:fixed;top:0;right:0;width:84%;max-width:340px;height:100%;background:#fff;z-index:80;transform:translateX(102%);transition:transform .28s ease;display:flex;flex-direction:column;padding:20px;box-shadow:-12px 0 40px rgba(14,79,69,.18);overflow-y:auto;}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.drawer-head strong{font-size:16px;color:var(--brand-900);}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink-900);cursor:pointer;}
.mobile-drawer nav a{display:block;font-size:16px;line-height:52px;color:var(--ink-900);border-bottom:1px solid var(--line);}
.mobile-drawer nav a.active{color:var(--brand-700);font-weight:600;}
.mobile-drawer .btn{margin-top:22px;}

@media (max-width:1023px){
  .hot-tags{display:none;}
  .search-box{width:180px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:639px){
  .search-box{display:none;}
  .nav-toggle{display:grid;}
  .brand-text{font-size:15px;}
  .channel-row{display:none;}
  .footer-grid{grid-template-columns:1fr;}
  .article-band{padding:32px 0 84px;}
  .post-card{padding:22px 18px;}
  .cta-band{padding:28px 20px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{width:100%;}
  .post-nav a{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --brand-900:#0B3D33;
  --brand-700:#0E5A48;
  --brand-500:#14B87A;
  --brand-300:#6FE0B4;
  --accent-500:#FF6B2C;
  --accent-300:#FFB27A;
  --ink-900:#0F1A16;
  --ink-600:#4A5B54;
  --ink-400:#7C8C84;
  --line:#E3ECE7;
  --bg:#F5F8F6;
  --card:#FFFFFF;
  --grad-brand:linear-gradient(135deg,#0B3D33 0%,#0E5A48 45%,#14B87A 100%);
  --grad-cta:linear-gradient(135deg,#FF7A2F 0%,#FF4D2E 100%);
  --radius-lg:20px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-card:0 8px 24px rgba(14,79,69,.08);
  --shadow-hover:0 16px 36px rgba(14,79,69,.14);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease}
a:hover{text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{color:var(--brand-900);margin:0;font-weight:700;line-height:1.35;letter-spacing:-.01em}
h1{font-size:clamp(30px,4.4vw,46px);line-height:1.28}
h2{font-size:clamp(24px,2.6vw,32px)}
h3{font-size:19px}
p{margin:0 0 18px}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(20,184,122,.22);color:var(--brand-900)}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
section[id]{scroll-margin-top:118px}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}
.section{padding:72px 0}
@media (min-width:1024px){.section{padding:88px 0}}
.section-head{max-width:760px;margin-bottom:36px}
.section-head .lead{margin:12px 0 0;color:var(--ink-600);font-size:16px}
.text-link{color:var(--brand-700);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.text-link:hover{color:var(--accent-500);gap:10px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;min-height:48px;border-radius:12px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;background:transparent;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn i{font-size:14px}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 10px 22px rgba(255,77,46,.24)}
.btn-primary:hover{background:linear-gradient(135deg,#FF8A45 0%,#FF5F3E 100%);transform:translateY(-1px);box-shadow:0 14px 28px rgba(255,77,46,.30);color:#fff}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,77,46,.24)}
.btn-outline{border-color:var(--brand-500);color:var(--brand-700)}
.btn-outline:hover{background:rgba(111,224,180,.20);color:var(--brand-700);transform:translateY(-1px)}
.btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--brand-900)}
.btn-sm{padding:10px 18px;min-height:40px;font-size:14px}
.btn-pill{border-radius:999px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed}

/* ---------- 吸顶导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);transition:box-shadow .25s ease,background-color .25s ease}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(14,79,69,.06)}
.topbar-row{display:flex;align-items:center;gap:18px;height:56px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--grad-brand);color:#fff;display:grid;place-items:center;flex:none}
.brand-mark svg{width:19px;height:19px}
.brand-text{font-size:18px;font-weight:700;color:var(--brand-900);white-space:nowrap;letter-spacing:-.01em}
.hot-tags{display:flex;align-items:center;gap:8px;flex:1;overflow:hidden;transition:opacity .25s ease,max-width .3s ease,margin .3s ease}
.hot-tags a{font-size:13px;color:var(--ink-600);background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:6px 13px;white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.hot-tags a::before{content:"↑";color:var(--brand-500);font-weight:700;font-size:12px}
.hot-tags a:hover{background:rgba(111,224,180,.22);color:var(--brand-700);border-color:transparent}
.site-header.is-stuck .hot-tags{opacity:0;max-width:0;margin:0;pointer-events:none}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:none}
.search-box{display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;border:1px solid var(--line);border-radius:12px;background:var(--bg);transition:border-color .2s ease,box-shadow .2s ease}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 2px rgba(20,184,122,.20)}
.search-box i{color:var(--ink-400);font-size:14px}
.search-box input{border:0;background:transparent;outline:none;width:180px;font-size:14px;color:var(--ink-900);font-family:inherit}
.search-box input::placeholder{color:var(--ink-400)}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--brand-700);place-items:center;font-size:16px}
.nav-toggle:hover{background:rgba(111,224,180,.18)}
.channel-row{height:44px;display:flex;align-items:center;border-top:1px solid var(--line)}
.channel-nav{display:flex;gap:28px;height:100%}
.channel-nav a{position:relative;display:flex;align-items:center;height:100%;font-size:15px;color:var(--ink-600)}
.channel-nav a:hover{color:var(--brand-700)}
.channel-nav a.active{color:var(--brand-700);font-weight:600}
.channel-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;border-radius:3px 3px 0 0;background:var(--grad-brand)}

/* 移动端抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(11,61,51,.46);opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:70}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.mobile-drawer{position:fixed;top:0;right:0;height:100%;width:min(330px,86vw);background:#fff;z-index:80;transform:translateX(105%);transition:transform .28s ease;display:flex;flex-direction:column;padding:20px;box-shadow:-12px 0 40px rgba(14,79,69,.18)}
.mobile-drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--brand-700)}
.drawer-links{display:flex;flex-direction:column;margin-top:6px}
.drawer-links a{display:flex;align-items:center;height:52px;font-size:16px;color:var(--ink-900);border-bottom:1px solid var(--line)}
.drawer-links a.active{color:var(--brand-700);font-weight:600}
.drawer-links a:hover{color:var(--brand-700)}
.drawer-cta{margin-top:auto;width:100%}

/* ---------- 分类页 band ---------- */
.page-band{position:relative;overflow:hidden;background:var(--grad-brand);color:#EAF7F1;padding:52px 0 60px}
.page-band::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.055) 0 1px,transparent 1px 12px);pointer-events:none}
.page-band::after{content:"";position:absolute;width:560px;height:560px;right:-140px;top:-200px;background:radial-gradient(circle,rgba(111,224,180,.50) 0%,rgba(111,224,180,0) 68%);pointer-events:none}
.page-band .container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(234,247,241,.72);margin-bottom:18px}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"›";color:rgba(234,247,241,.5)}
.crumbs a:hover{color:#fff}
.band-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);color:#EAF7F1}
.band-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand-300)}
.page-title{margin:18px 0 14px;color:#fff;max-width:860px;text-wrap:balance}
.page-lead{max-width:720px;color:rgba(234,247,241,.85);font-size:16.5px;margin:0 0 26px}
.badge-row{display:flex;flex-wrap:wrap;gap:12px}
.stat-chip{display:inline-flex;align-items:baseline;gap:7px;padding:10px 18px;border-radius:999px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.24);color:#EAF7F1;font-size:12px}
.stat-chip b{font-size:26px;font-weight:700;color:var(--accent-300);font-variant-numeric:tabular-nums;line-height:1}
.stat-chip.light{background:rgba(111,224,180,.20);border-color:transparent;color:var(--brand-700)}
.stat-chip.light b{color:var(--accent-500)}

/* 锚点条 */
.anchor-bar{background:#fff;border-bottom:1px solid var(--line)}
.anchor-inner{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-inner a{flex:none;font-size:14px;padding:8px 16px;border-radius:999px;background:var(--bg);border:1px solid var(--line);color:var(--ink-600);white-space:nowrap}
.anchor-inner a:hover,.anchor-inner a.active{background:var(--grad-brand);color:#fff;border-color:transparent}

/* ---------- 左图右文交替长块 ---------- */
.zigzag{padding:64px 0 0}
@media (min-width:1024px){.zigzag{padding:88px 0 0}}
.zig-row{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;padding-bottom:64px;margin-bottom:64px;border-bottom:1px solid var(--line)}
.zig-row:last-child{border-bottom:0;margin-bottom:0}
@media (min-width:1024px){
  .zig-row{grid-template-columns:1fr 1fr;gap:52px;padding-bottom:72px;margin-bottom:72px}
  .zig-row.reverse .zig-media{order:2}
}
.zig-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:24px;border:1px solid var(--line);box-shadow:var(--shadow-card);background:linear-gradient(135deg,#EAF7F1,#F5F8F6)}
.zig-body h2{margin-bottom:12px}
.zig-body .zig-kicker{display:inline-block;font-size:13px;color:var(--brand-700);background:rgba(111,224,180,.20);border-radius:999px;padding:5px 13px;margin-bottom:14px}
.zig-body p{color:var(--ink-600)}
.check-list{margin-top:20px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-600);padding:10px 0;border-bottom:1px dashed var(--line)}
.check-list li:last-child{border-bottom:0}
.check-list li::before{content:"✓";flex:none;width:22px;height:22px;border-radius:7px;background:rgba(111,224,180,.24);color:var(--brand-700);font-size:13px;font-weight:700;display:grid;place-items:center;margin-top:4px}

/* ---------- 自查清单 ---------- */
.selfcheck{background:linear-gradient(180deg,#F0F8F4 0%,#FFFFFF 100%);padding:72px 0}
.selfcheck-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-600);background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 18px;box-shadow:var(--shadow-card);height:100%}
.selfcheck-list li span.num{flex:none;width:26px;height:26px;border-radius:50%;background:var(--grad-brand);color:#fff;font-size:12px;font-weight:700;display:grid;place-items:center;margin-top:3px;font-variant-numeric:tabular-nums}
.selfcheck-note{margin-top:26px;font-size:14px;color:var(--ink-400)}

/* ---------- FAQ ---------- */
.faq-section{padding:72px 0}
@media (min-width:1024px){.faq-section{padding:88px 0}}
.faq-side h2{margin-bottom:12px}
.faq-side p{color:var(--ink-600);font-size:15px}
.faq-side-card{margin-top:22px;background:rgba(111,224,180,.18);border:1px solid rgba(20,184,122,.24);border-radius:20px;padding:22px}
.faq-side-card h3{font-size:16px;margin-bottom:8px}
.faq-side-card p{font-size:14px;margin-bottom:16px;color:var(--ink-600)}
.accordion{border:0;background:transparent;margin:0}
.accordion-item{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:14px;box-shadow:var(--shadow-card);overflow:hidden;transition:box-shadow .22s ease}
.accordion-item:hover{box-shadow:var(--shadow-hover)}
.accordion-title{border:0;background:transparent;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:14px 24px;font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.6}
.accordion-title:hover,.accordion-title:focus{background:rgba(111,224,180,.10);color:var(--brand-700)}
.accordion-title::before{display:none !important;content:"" !important}
.acc-icon{position:relative;flex:none;width:18px;height:18px;transition:transform .22s ease-out}
.acc-icon::before,.acc-icon::after{content:"";position:absolute;background:var(--brand-500);border-radius:2px}
.acc-icon::before{left:0;right:0;top:8px;height:2px}
.acc-icon::after{top:0;bottom:0;left:8px;width:2px}
.accordion-item.is-active .acc-icon{transform:rotate(45deg)}
.accordion-content{border:0 !important;background:transparent;padding:0 24px 22px 24px;font-size:15px;color:var(--ink-600);line-height:1.85}
.accordion-item.is-active .accordion-content{position:relative}
.accordion-item.is-active .accordion-content::before{content:"";position:absolute;left:0;top:2px;bottom:22px;width:3px;border-radius:0 3px 3px 0;background:var(--grad-brand)}
.accordion-content p:last-child{margin-bottom:0}

/* ---------- 收尾 CTA ---------- */
.closing-wrap{padding:0 0 72px}
@media (min-width:1024px){.closing-wrap{padding:0 0 88px}}
.closing-cta{background:linear-gradient(135deg,rgba(111,224,180,.20) 0%,rgba(255,178,122,.18) 100%);border:1px solid var(--line);border-radius:24px;padding:34px 28px;display:flex;flex-wrap:wrap;align-items:center;gap:22px;justify-content:space-between}
.closing-cta h2{font-size:clamp(22px,2.3vw,28px);margin-bottom:8px}
.closing-cta p{margin:0;color:var(--ink-600);font-size:15px;max-width:620px}
@media (min-width:1024px){.closing-cta{padding:42px 44px}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#EAF7F1;border-top:1px solid rgba(255,255,255,.14);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px}
.site-footer p{color:rgba(234,247,241,.72);font-size:14px;line-height:1.8;margin:0}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px}
.site-footer ul{margin:0}
.site-footer li{margin-bottom:10px;font-size:14px}
.site-footer a{color:rgba(234,247,241,.72)}
.site-footer a:hover{color:var(--brand-300)}
.socials{display:flex;gap:10px;margin-top:18px}
.socials a{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16)}
.socials a:hover{background:rgba(111,224,180,.24);color:#fff}
.footer-contact li{display:flex;gap:9px;align-items:flex-start;color:rgba(234,247,241,.72)}
.footer-contact i{margin-top:4px;color:var(--brand-300);font-size:13px}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.14);padding:20px 0;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;font-size:13px;color:rgba(234,247,241,.62)}
.fb-links{display:flex;flex-wrap:wrap;gap:18px}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .hot-tags{display:none}
  .search-box{display:none}
  .channel-row{display:none}
  .nav-toggle{display:grid}
  .brand-text{font-size:15px}
  .topbar-row{height:56px}
}
@media (max-width:639px){
  .bt-row{flex-direction:column;align-items:stretch}
  .section{padding:48px 0}
  .page-band{padding:40px 0 46px}
  .zig-row{padding-bottom:44px;margin-bottom:44px}
  .selfcheck{padding:48px 0}
  .faq-section{padding:48px 0}
  .stat-chip b{font-size:22px}
  .anchor-inner{padding:12px 0}
  .closing-cta{padding:26px 20px;border-radius:18px}
  .closing-cta .btn{width:100%}
}
.btn:focus-visible,.accordion-title:focus-visible,.anchor-inner a:focus-visible,.channel-nav a:focus-visible,.drawer-links a:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}

/* roulang page: category2 */
/* ===================== 设计变量 ===================== */
:root{
  --brand-900:#0B3D33;
  --brand-700:#0E5A48;
  --brand-500:#14B87A;
  --brand-300:#6FE0B4;
  --accent-500:#FF6B2C;
  --accent-300:#FFB27A;
  --ink-900:#0F1A16;
  --ink-600:#4A5B54;
  --ink-400:#7C8C84;
  --line:#E3ECE7;
  --bg:#F5F8F6;
  --card:#FFFFFF;
  --grad-brand:linear-gradient(135deg,#0B3D33 0%,#0E5A48 45%,#14B87A 100%);
  --grad-cta:linear-gradient(135deg,#FF7A2F 0%,#FF4D2E 100%);
  --on-dark:#EAF7F1;
  --on-dark-2:rgba(234,247,241,.72);
  --line-dark:rgba(234,247,241,.18);
  --r-lg:20px;
  --r-md:12px;
  --r-sm:10px;
  --sh-1:0 8px 24px rgba(14,79,69,.08);
  --sh-2:0 16px 36px rgba(14,79,69,.14);
  --sec-desk:88px;
  --sec-tab:64px;
  --sec-mob:48px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}

/* ===================== 基础 reset ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover,a:focus{color:var(--brand-500);}
h1,h2,h3,h4{margin:0;color:var(--brand-700);font-family:var(--font);line-height:1.35;font-weight:700;}
h1{font-size:clamp(30px,4.4vw,46px);line-height:1.28;letter-spacing:-.01em;color:var(--brand-900);text-wrap:balance;}
h2{font-size:clamp(24px,2.6vw,32px);font-weight:600;text-wrap:balance;}
h3{font-size:19px;font-weight:600;}
p{margin:0 0 18px;color:var(--ink-600);}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;}
::selection{background:rgba(20,184,122,.25);color:var(--brand-900);}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1024px){ .container{padding:0 32px;} }
@media (min-width:1440px){ .container{max-width:1240px;} }

section{position:relative;}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border:0;
  border-radius:var(--r-md);
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  text-align:center;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,background-position .3s ease;
}
.btn-primary{
  background-image:var(--grad-cta);
  background-size:150% 150%;
  background-position:0 0;
  color:#fff;
  box-shadow:0 10px 24px rgba(255,77,46,.26);
}
.btn-primary:hover,.btn-primary:focus{
  background-position:100% 0;
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 14px 28px rgba(255,77,46,.34);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,77,46,.3);}
.btn-outline{
  background:transparent;
  border:1.5px solid var(--brand-500);
  color:var(--brand-700);
}
.btn-outline:hover,.btn-outline:focus{
  background:rgba(111,224,180,.2);
  color:var(--brand-700);
  transform:translateY(-1px);
}
.btn-ghost{
  background:transparent;
  border:1.5px solid rgba(255,255,255,.4);
  color:var(--on-dark);
}
.btn-ghost:hover,.btn-ghost:focus{background:#fff;color:var(--brand-900);border-color:#fff;}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-pill{border-radius:999px;}
.btn-block{display:flex;width:100%;}
.btn[disabled]{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none;}

/* ===================== 顶部导航 ===================== */
.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck{
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px rgba(14,79,69,.06);
}
.topbar-row{
  display:flex;
  align-items:center;
  gap:18px;
  height:56px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--brand-900);
}
.brand:hover{color:var(--brand-700);}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background-image:var(--grad-brand);
  color:#EAF7F1;
  flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.hot-tags{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1 1 auto;
  overflow:hidden;
  transition:opacity .25s ease,max-width .3s ease;
  max-width:520px;
}
.site-header.is-stuck .hot-tags{opacity:0;max-width:0;pointer-events:none;}
.hot-tags a{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;
  font-size:13px;
  color:var(--ink-600);
  background:var(--bg);
  border-radius:999px;
  white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.hot-tags a::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--brand-500);
}
.hot-tags a:hover,.hot-tags a:focus{
  background:rgba(111,224,180,.24);
  color:var(--brand-700);
  transform:translateY(-1px);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
  flex:0 0 auto;
}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  width:250px;
  height:40px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--bg);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.search-box:focus-within{
  background:#fff;
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(20,184,122,.16);
}
.search-box i{color:var(--ink-400);font-size:13px;}
.search-box input{
  flex:1 1 auto;
  border:0;outline:none;background:transparent;
  font-size:14px;color:var(--ink-900);
  min-width:0;
}
.search-box input::placeholder{color:var(--ink-400);}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  color:var(--brand-700);
  font-size:17px;
  cursor:pointer;
}
.nav-toggle:hover{background:var(--bg);}

.channel-row{
  border-top:1px solid var(--line);
}
.channel-nav{
  display:flex;
  align-items:center;
  gap:26px;
  height:44px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  font-size:15px;
  color:var(--ink-600);
  white-space:nowrap;
  transition:color .2s ease;
}
.channel-nav a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:3px;
  border-radius:3px 3px 0 0;
  background-image:var(--grad-brand);
  opacity:0;
  transform:scaleX(.4);
  transition:opacity .22s ease,transform .22s ease;
}
.channel-nav a:hover{color:var(--brand-500);}
.channel-nav a.active{color:var(--brand-700);font-weight:600;}
.channel-nav a.active::after{opacity:1;transform:scaleX(1);}

/* 移动抽屉 */
.nav-overlay{
  position:fixed;inset:0;
  background:rgba(11,61,51,.42);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:300;
}
.nav-overlay.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(84vw,340px);
  background:#fff;
  z-index:310;
  display:flex;
  flex-direction:column;
  transform:translateX(102%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  box-shadow:-16px 0 40px rgba(11,61,51,.16);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;
  padding:16px 20px;
  border-bottom:1px solid var(--line);
}
.drawer-head .brand-text{font-size:16px;color:var(--brand-900);}
.drawer-close{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--brand-700);cursor:pointer;font-size:16px;
}
.drawer-nav{
  flex:1 1 auto;
  overflow-y:auto;
  padding:12px 20px;
}
.drawer-nav a{
  display:flex;
  align-items:center;
  height:52px;
  font-size:16px;
  color:var(--ink-900);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--brand-700);font-weight:600;}
.drawer-nav a:hover{color:var(--brand-500);}
.drawer-foot{
  padding:16px 20px 24px;
  border-top:1px solid var(--line);
}

/* ===================== 分类 Hero band ===================== */
.page-band{
  background-image:linear-gradient(135deg,rgba(11,61,51,.94) 0%,rgba(14,90,72,.9) 48%,rgba(20,184,122,.82) 100%),url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center;
  color:var(--on-dark);
  padding:56px 0 64px;
  overflow:hidden;
}
.page-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.06) 0 1px,transparent 1px 12px);
  pointer-events:none;
}
.page-band::after{
  content:"";
  position:absolute;
  right:-120px;top:-140px;
  width:460px;height:460px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(111,224,180,.42) 0%,rgba(111,224,180,0) 68%);
  pointer-events:none;
}
.band-inner{position:relative;z-index:1;max-width:820px;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--on-dark-2);
  margin-bottom:20px;
  list-style:none;
}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"›";color:rgba(234,247,241,.5);}
.breadcrumb a{color:var(--on-dark-2);}
.breadcrumb a:hover{color:#fff;}
.band-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.24);
  font-size:13px;
  color:var(--on-dark);
  margin-bottom:18px;
}
.band-tag::before{
  content:"";
  width:7px;height:7px;border-radius:50%;
  background:var(--accent-300);
}
.page-band h1{color:#fff;margin-bottom:16px;}
.band-desc{
  font-size:16px;
  color:var(--on-dark-2);
  max-width:640px;
  margin-bottom:26px;
}

/* 数据徽章 */
.badge-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.badge{
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  padding:10px 18px;
  border-radius:999px;
  font-size:13px;
  line-height:1.4;
}
.badge b{
  font-size:24px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.badge-dark{
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.24);
  color:var(--on-dark-2);
}
.badge-dark b{color:var(--brand-300);}
.badge-light{
  background:rgba(111,224,180,.2);
  color:var(--brand-700);
  border:1px solid rgba(20,184,122,.2);
}
.badge-light b{color:var(--accent-500);}

/* ===================== 锚点条 ===================== */
.anchor-bar{
  margin-top:-26px;
  position:relative;
  z-index:5;
}
.anchor-scroll{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:var(--sh-1);
  scrollbar-width:none;
}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-scroll a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 18px;
  border-radius:999px;
  font-size:14px;
  color:var(--ink-600);
  background:var(--bg);
  white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.anchor-scroll a i{font-size:12px;color:var(--brand-500);}
.anchor-scroll a:hover,.anchor-scroll a:focus{
  color:var(--brand-700);
  background:rgba(111,224,180,.24);
  transform:translateY(-1px);
}
.anchor-scroll a.is-current{
  background-image:var(--grad-brand);
  color:#fff;
  box-shadow:0 8px 18px rgba(14,79,69,.2);
}
.anchor-scroll a.is-current i{color:#fff;}

/* ===================== 交错长块 ===================== */
.alt-blocks{padding:var(--sec-desk) 0 var(--sec-mob);}
.alt-block{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  align-items:center;
  margin-bottom:var(--sec-desk);
}
.alt-block:last-child{margin-bottom:0;}
.alt-media{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(135deg,#EAF7F1 0%,#D6F1E5 100%);
  box-shadow:var(--sh-1);
  aspect-ratio:16/10;
}
.alt-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.alt-block:hover .alt-media img{transform:scale(1.03);}
.alt-media .media-badge{
  position:absolute;
  left:18px;bottom:18px;
  background:rgba(11,61,51,.82);
  border:1px solid rgba(255,255,255,.22);
  color:#EAF7F1;
  font-size:13px;
  padding:8px 14px;
  border-radius:999px;
  backdrop-filter:blur(4px);
}
.alt-media .media-badge b{
  color:var(--brand-300);
  font-size:16px;
  font-variant-numeric:tabular-nums;
}
.alt-index{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--ink-400);
  margin-bottom:14px;
  letter-spacing:.04em;
}
.alt-index span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;height:32px;
  border-radius:50%;
  background-image:var(--grad-brand);
  color:#fff;
  font-size:13px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.alt-block h2{margin-bottom:12px;}
.alt-lead{
  font-size:15px;
  color:var(--brand-500);
  font-weight:600;
  margin-bottom:14px;
}
.alt-block p{font-size:16px;}
.check-list{
  margin-top:20px;
  display:grid;
  gap:12px;
}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  color:var(--ink-600);
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:14px 16px;
  box-shadow:0 4px 14px rgba(14,79,69,.05);
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.check-list li:hover{
  box-shadow:var(--sh-1);
  transform:translateY(-2px);
  border-color:rgba(20,184,122,.32);
}
.check-list i{
  color:var(--brand-500);
  font-size:15px;
  margin-top:4px;
  flex:0 0 auto;
}

/* ===================== 补充说明条 ===================== */
.note-strip{
  background:#fff;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:var(--sec-mob) 0;
}
.note-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
.note-card{
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  transition:box-shadow .22s ease,transform .22s ease;
}
.note-card:hover{box-shadow:var(--sh-1);transform:translateY(-2px);}
.note-card h3{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  margin-bottom:10px;
}
.note-card h3 i{color:var(--brand-500);}
.note-card p{font-size:15px;margin:0;}

/* ===================== FAQ ===================== */
.faq-section{padding:var(--sec-desk) 0;}
.faq-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
.sec-head{margin-bottom:32px;}
.sec-head h2{margin-bottom:12px;}
.sec-head .sec-lead{
  font-size:16px;
  color:var(--ink-600);
  max-width:620px;
  margin:0;
}
.faq-aside{
  background-image:var(--grad-brand);
  border-radius:var(--r-lg);
  padding:30px 26px;
  color:var(--on-dark);
  box-shadow:var(--sh-1);
  align-self:start;
}
.faq-aside h3{color:#fff;font-size:19px;margin-bottom:10px;}
.faq-aside p{color:var(--on-dark-2);font-size:15px;margin-bottom:22px;}
.faq-aside .btn{width:100%;}

.accordion.faq-accordion{
  margin:0;
  border:0;
  background:transparent;
}
.faq-accordion .accordion-item{
  background:#fff;
  border:1px solid var(--line) !important;
  border-radius:16px;
  margin-bottom:14px;
  overflow:hidden;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-accordion .accordion-item:hover{box-shadow:var(--sh-1);}
.faq-accordion .accordion-item.is-active{
  border-color:rgba(20,184,122,.4) !important;
  box-shadow:var(--sh-1);
}
.faq-accordion .accordion-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:0 24px;
  min-height:56px;
  border:0;
  background:transparent;
  font-size:16px;
  font-weight:600;
  color:var(--brand-700);
  line-height:1.5;
}
.faq-accordion .accordion-title::before{
  content:"+";
  order:2;
  font-size:22px;
  font-weight:400;
  color:var(--brand-500);
  line-height:1;
  transition:transform .22s ease,color .22s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{
  transform:rotate(45deg);
  color:var(--accent-500);
}
.faq-accordion .accordion-title:hover{background:rgba(111,224,180,.12);color:var(--brand-500);}
.faq-accordion .accordion-content{
  border:0;
  padding:0;
  background:transparent;
}
.faq-accordion .accordion-content p{
  position:relative;
  padding:6px 28px 22px 28px;
  margin:0;
  font-size:15px;
  color:var(--ink-600);
}
.faq-accordion .accordion-content p::before{
  content:"";
  position:absolute;
  left:24px;top:8px;bottom:26px;
  width:3px;
  border-radius:3px;
  background-image:var(--grad-brand);
}

/* ===================== 收尾 CTA ===================== */
.closing-cta{padding:0 0 var(--sec-desk);}
.closing-card{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
  align-items:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:34px 30px;
  box-shadow:var(--sh-1);
  position:relative;
  overflow:hidden;
}
.closing-card::after{
  content:"";
  position:absolute;
  right:-90px;bottom:-110px;
  width:300px;height:300px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(111,224,180,.36) 0%,rgba(111,224,180,0) 70%);
  pointer-events:none;
}
.closing-card .closing-text{position:relative;z-index:1;}
.closing-card h2{
  font-size:clamp(22px,2.2vw,28px);
  margin-bottom:10px;
}
.closing-card p{font-size:15px;margin:0;max-width:620px;}
.closing-actions{
  position:relative;
  z-index:1;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

/* ===================== 页脚 ===================== */
.site-footer{
  background:var(--brand-900);
  border-top:1px solid rgba(255,255,255,.14);
  color:var(--on-dark);
  padding-top:64px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-brand .brand-mark{background-image:linear-gradient(135deg,rgba(255,255,255,.18),rgba(111,224,180,.35));}
.site-footer p{
  color:rgba(234,247,241,.72);
  font-size:14px;
  line-height:1.8;
  margin-bottom:20px;
  max-width:340px;
}
.socials{display:flex;gap:10px;}
.socials a{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  border:1px solid rgba(234,247,241,.18);
  color:rgba(234,247,241,.82);
  font-size:15px;
  transition:background-color .22s ease,color .22s ease,transform .22s ease,border-color .22s ease;
}
.socials a:hover,.socials a:focus{
  background:rgba(111,224,180,.18);
  border-color:rgba(111,224,180,.5);
  color:#fff;
  transform:translateY(-2px);
}
.site-footer h4{
  color:#fff;
  font-size:15px;
  margin-bottom:18px;
  font-weight:600;
}
.site-footer ul{display:grid;gap:12px;}
.site-footer ul a{
  color:rgba(234,247,241,.72);
  font-size:14px;
  transition:color .2s ease,padding-left .2s ease;
}
.site-footer ul a:hover,.site-footer ul a:focus{color:var(--brand-300);padding-left:4px;}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:rgba(234,247,241,.72);
  line-height:1.7;
}
.footer-contact i{color:var(--brand-300);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  min-height:60px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:16px 0;
  font-size:13px;
  color:rgba(234,247,241,.6);
}
.fb-links{display:flex;flex-wrap:wrap;gap:18px;}
.fb-links a{color:rgba(234,247,241,.6);font-size:13px;}
.fb-links a:hover{color:var(--brand-300);}

/* ===================== 响应式 ===================== */
@media (max-width:1023px){
  .hot-tags,.channel-row{display:none;}
  .search-box{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand-text{font-size:15px;}
  .topbar-row{height:60px;}
  .alt-blocks{padding:var(--sec-tab) 0 var(--sec-mob);}
  .alt-block{gap:26px;margin-bottom:var(--sec-tab);}
  .faq-section{padding:var(--sec-tab) 0;}
  .site-footer{padding-top:48px;}
}
@media (min-width:640px){
  .note-grid{grid-template-columns:repeat(2,1fr);}
  .closing-card{padding:38px 36px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (min-width:1024px){
  .alt-block{
    grid-template-columns:1fr 1fr;
    gap:56px;
  }
  .alt-block.reverse .alt-media{order:2;}
  .alt-block.reverse .alt-text{order:1;}
  .faq-layout{grid-template-columns:4fr 8fr;gap:44px;}
  .closing-card{grid-template-columns:1.4fr 1fr;gap:36px;}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;}
}
@media (min-width:1200px){
  .note-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:639px){
  body{font-size:16px;}
  .page-band{padding:40px 0 52px;}
  .badge b{font-size:20px;}
  .badge{padding:9px 14px;}
  .closing-card{padding:26px 20px;}
  .faq-accordion .accordion-title{padding:0 18px;font-size:15px;}
  .faq-accordion .accordion-content p{padding:6px 20px 20px 20px;}
  .faq-accordion .accordion-content p::before{left:16px;}
}