/* roulang page: index */
:root{
    --brand:#0B5F4A;--brand-hover:#0A5140;--brand-active:#08402F;--brand-soft:#E8F2EE;
    --accent:#E2552B;--lime:#C6F24E;
    --bg:#F7F5F0;--card:#FFFFFF;--dark:#0A1A16;--line:#E6E2D8;--surface:#F1EEE7;
    --ink:#14201C;--ink2:#4A5751;--ink3:#8A948F;
    --r-lg:18px;--r-md:14px;--r-sm:12px;--r-xs:6px;
    --shadow-1:0 1px 2px rgba(10,26,22,.06),0 8px 24px -12px rgba(10,26,22,.18);
    --shadow-2:0 18px 40px -16px rgba(11,95,74,.28);
    --wrap:1200px;
  }
  *,*::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:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
    font-size:17px;line-height:1.85;letter-spacing:.01em;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
  .container-site{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
  @media (min-width:768px){.container-site{padding:0 32px}}
  @media (min-width:1280px){.container-site{padding:0 40px}}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
  .section{padding:72px 0}
  .section-tight{padding:46px 0}
  @media (max-width:900px){.section{padding:52px 0}.section-tight{padding:34px 0}}
  .eyebrow{font-size:12px;font-weight:700;letter-spacing:.22em;color:var(--brand);text-transform:uppercase}
  h1,h2,h3{margin:0;color:var(--ink)}
  .h2-title{font-size:32px;font-weight:700;line-height:1.28;letter-spacing:-.01em}
  .h3-title{font-size:22px;font-weight:600;line-height:1.4}
  @media (max-width:900px){.h2-title{font-size:24px}.h3-title{font-size:19px}}
  .lead{color:var(--ink2);font-size:16.5px;line-height:1.85}
  .clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

  /* 头部导航 */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.92);
    backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .25s ease;
  }
  .site-header.is-scrolled{box-shadow:0 10px 30px -22px rgba(10,26,22,.5)}
  .logo{display:flex;align-items:center;gap:10px}
  .logo-mark{
    width:38px;height:38px;border-radius:12px;background:var(--brand);
    display:grid;place-items:center;color:#fff;flex:none;
    box-shadow:0 10px 20px -12px rgba(11,95,74,.85);
  }
  .logo-text{display:flex;flex-direction:column;line-height:1.12}
  .logo-text strong{font-size:16px;font-weight:800;color:var(--brand);letter-spacing:.01em}
  .logo-text em{font-style:normal;font-size:11px;letter-spacing:.2em;color:var(--ink3);font-weight:600}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;gap:6px;
    padding:8px 14px;border-radius:999px;font-size:15px;font-weight:600;
    color:var(--ink2);background:transparent;border:0;cursor:pointer;
    transition:color .18s ease,background .18s ease;
  }
  .nav-link:hover{color:var(--brand);background:var(--brand-soft)}
  .nav-link.active{color:var(--brand)}
  .nav-link.active::after{
    content:"";position:absolute;left:50%;bottom:-4px;transform:translateX(-50%);
    width:22px;height:2px;border-radius:2px;background:var(--brand);
  }
  .mega{position:relative}
  .mega-panel{
    position:absolute;top:calc(100% + 12px);right:0;width:720px;max-width:calc(100vw - 48px);
    background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-2);
    padding:22px;display:grid;grid-template-columns:1.05fr 1fr .95fr;gap:20px;
    opacity:0;visibility:hidden;transform:translateY(8px);
    transition:opacity .16s ease-out,transform .16s ease-out,visibility .16s ease-out;
  }
  .mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
  .mega-col-title{font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--ink3);margin-bottom:12px}
  .mega-item{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    padding:9px 10px;border-radius:10px;font-size:14.5px;color:var(--ink2);
    transition:background .18s ease,color .18s ease,transform .18s ease;
  }
  .mega-item:hover{background:var(--brand-soft);color:var(--brand);transform:translateX(2px)}
  .mega-arrow{color:var(--brand);font-weight:700}
  .mega-post{display:block;padding:9px 10px;border-radius:10px;transition:background .18s ease}
  .mega-post:hover{background:var(--surface)}
  .mega-post span.meta{font-size:12px;color:var(--ink3);display:flex;gap:8px;align-items:center;margin-bottom:3px}
  .mega-post p{margin:0;font-size:14px;font-weight:600;color:var(--ink);line-height:1.5}
  .mega-entry{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--surface);display:flex;flex-direction:column}
  .mega-entry img{width:100%;aspect-ratio:16/9;object-fit:cover}
  .mega-entry .in{padding:14px}
  .mega-entry p{margin:6px 0 10px;font-size:13px;color:var(--ink2);line-height:1.6}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand)}
  .link-arrow svg{transition:transform .18s ease}
  .link-arrow:hover svg{transform:translateX(4px)}

  /* 移动端抽屉 */
  .mobile-nav{position:relative}
  .mobile-nav > summary{
    list-style:none;cursor:pointer;width:44px;height:44px;border-radius:12px;
    border:1px solid var(--line);background:#fff;display:grid;place-items:center;color:var(--ink);
  }
  .mobile-nav > summary::-webkit-details-marker{display:none}
  .mobile-panel{
    position:absolute;right:0;top:calc(100% + 12px);width:min(320px,88vw);
    background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-2);
    padding:14px;display:flex;flex-direction:column;gap:4px;
  }
  .mobile-panel a.m-link{
    padding:12px 14px;border-radius:12px;font-size:15px;font-weight:600;color:var(--ink2);
    display:flex;justify-content:space-between;align-items:center;transition:background .18s ease,color .18s ease;
  }
  .mobile-panel a.m-link:hover,.mobile-panel a.m-link.active{background:var(--brand-soft);color:var(--brand)}
  .mobile-panel .m-cta{margin-top:8px;justify-content:center}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;
    border:1px solid transparent;cursor:pointer;white-space:nowrap;
    transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  }
  .btn:active{transform:translateY(0) scale(.99)}
  .btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 26px -14px rgba(11,95,74,.85)}
  .btn-primary:hover{background:var(--brand-hover);transform:translateY(-2px);box-shadow:0 18px 34px -16px rgba(11,95,74,.7)}
  .btn-primary:active{background:var(--brand-active)}
  .btn-accent{background:var(--accent);color:#fff;box-shadow:0 12px 26px -14px rgba(226,85,43,.8)}
  .btn-accent:hover{background:#CE4A22;transform:translateY(-2px)}
  .btn-outline{background:#fff;color:var(--brand);border-color:var(--brand)}
  .btn-outline:hover{background:var(--brand-soft);transform:translateY(-2px)}
  .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.62)}
  .btn-ghost:hover{background:rgba(255,255,255,.14)}
  .btn-sm{padding:10px 18px;font-size:14px}
  .btn-block{width:100%}
  @media (max-width:640px){.btn{width:100%}}

  /* 徽章 / 标签 */
  .badge{
    display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-xs);
    font-size:12px;font-weight:700;letter-spacing:.02em;background:var(--brand-soft);color:var(--brand);
  }
  .badge-gray{background:var(--surface);color:var(--ink2)}
  .chip{
    display:inline-flex;align-items:center;padding:8px 16px;border-radius:999px;font-size:13.5px;font-weight:600;
    border:1px solid var(--line);background:#fff;color:var(--ink2);white-space:nowrap;transition:.18s ease;
  }
  .chip:hover{border-color:var(--brand);color:var(--brand)}
  .chip.active{background:var(--brand);border-color:var(--brand);color:#fff}

  /* Hero */
  .hero{position:relative;overflow:hidden;min-height:82vh;display:flex;align-items:center}
  .hero-bg{position:absolute;inset:0;background-size:cover;background-position:center}
  .hero-overlay{
    position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(10,26,22,.88) 0%,rgba(11,95,74,.74) 55%,rgba(10,26,22,.66) 100%);
  }
  .hero-overlay::after{
    content:"";position:absolute;inset:0;opacity:.55;
    background:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 1px,transparent 1px 14px);
  }
  .hero-kicker{
    display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
    background:rgba(198,242,78,.14);border:1px solid rgba(198,242,78,.4);
    color:#E9FFB8;font-size:12.5px;font-weight:700;letter-spacing:.14em;
  }
  .hero-title{
    color:#fff;font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.18;
    letter-spacing:-.01em;margin:20px 0 0;max-width:16em;
  }
  .hero-sub{color:rgba(255,255,255,.82);font-size:17px;line-height:1.8;margin:16px 0 0;max-width:34em}
  .hero-stat{
    background:rgba(255,255,255,.97);border-radius:18px;padding:22px;
    border:1px solid rgba(255,255,255,.5);box-shadow:0 26px 50px -22px rgba(0,0,0,.55);
  }
  .stat-row{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--ink2)}
  .stat-row .k{font-weight:700;color:var(--ink)}
  .stat-row .v{margin-left:auto;font-size:18px;font-weight:800;color:var(--brand)}
  .stat-row + .stat-row{margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
  @media (max-width:1024px){
    .hero{min-height:auto;padding:64px 0 52px}
    .hero-title{max-width:100%}
    .hero-stat{max-width:100% !important}
  }

  /* 横向专题 */
  .topic-rail{
    display:grid;grid-auto-flow:column;grid-auto-columns:minmax(258px,1fr);gap:20px;
    overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;
    scrollbar-width:none;-ms-overflow-style:none;
  }
  .topic-rail::-webkit-scrollbar{display:none}
  .topic-card{
    scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    overflow:hidden;transition:transform .35s ease,box-shadow .35s ease;
  }
  .topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
  .topic-card .thumb{overflow:hidden}
  .topic-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
  .topic-card:hover img{transform:scale(1.03)}

  /* 痛点 4/8 */
  .pain-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
  .pain-item:first-child{padding-top:0}
  .pain-item:last-child{border-bottom:0;padding-bottom:0}
  .pain-icon{
    width:44px;height:44px;flex:none;border-radius:12px;display:grid;place-items:center;
    background:var(--brand-soft);color:var(--brand);font-weight:800;
  }

  /* 图文交替 */
  .split-row{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
  .split-row + .split-row{margin-top:44px;padding-top:44px;border-top:1px solid var(--line)}
  .split-row.reverse .split-media{order:2}
  .split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--shadow-1)}
  @media (max-width:900px){
    .split-row{grid-template-columns:1fr;gap:24px}
    .split-row.reverse .split-media{order:0}
    .split-row + .split-row{margin-top:32px;padding-top:32px}
  }
  .check-list{list-style:none;margin:18px 0 0;padding:0}
  .check-list li{position:relative;padding-left:28px;margin-bottom:10px;color:var(--ink2);font-size:15.5px}
  .check-list li::before{
    content:"";position:absolute;left:0;top:9px;width:14px;height:8px;
    border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
    transform:rotate(-45deg);border-radius:1px;
  }

  /* 深色数据区 */
  .dark-band{
    position:relative;background:var(--dark);color:#fff;overflow:hidden;
  }
  .dark-band .band-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.16}
  .dark-band .band-inner{position:relative;z-index:1}
  .metric{border-top:2px solid rgba(255,255,255,.14);padding-top:18px}
  .metric .n{
    font-size:44px;font-weight:800;line-height:1.1;color:#fff;
    font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
  }
  .metric .u{font-size:14px;color:var(--lime);font-weight:700;margin-left:4px}
  .metric .d{color:rgba(255,255,255,.72);font-size:13.5px;margin-top:8px;line-height:1.7}
  .metric .bar{width:34px;height:3px;background:var(--lime);border-radius:3px;margin-top:14px}
  @media (max-width:900px){.metric .n{font-size:34px}}

  /* 内容卡片 */
  .card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--shadow-1);overflow:hidden;height:100%;
    transition:transform .4s ease,box-shadow .4s ease;
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
  .card-thumb{overflow:hidden;background:var(--line)}
  .card-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
  .card:hover .card-thumb img{transform:scale(1.03)}
  .card-title{font-size:17.5px;font-weight:700;line-height:1.5;color:var(--ink);margin:10px 0 8px;transition:color .2s ease}
  .card:hover .card-title{color:var(--brand)}
  .card-desc{font-size:14.5px;color:var(--ink2);line-height:1.8;margin:0}
  .card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--ink3)}
  .empty-state{
    min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
    border:1px dashed var(--line);border-radius:var(--r-lg);background:#fff;color:var(--ink3);text-align:center;padding:32px;
  }

  /* 证言 */
  .quote-lg{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;
    box-shadow:var(--shadow-1);position:relative;
  }
  .quote-lg::before{
    content:"“";position:absolute;top:6px;left:22px;font-size:74px;line-height:1;color:var(--brand-soft);
    font-family:Georgia,serif;
  }
  .quote-sm{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:22px}
  .avatar{
    width:48px;height:48px;border-radius:50%;display:grid;place-items:center;flex:none;
    background:var(--brand);color:#fff;font-weight:800;font-size:16px;
  }
  .avatar.alt{background:var(--accent)}
  .avatar.alt2{background:#12483A}

  /* FAQ */
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;margin-bottom:12px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item[open]{box-shadow:var(--shadow-1)}
  .faq-item summary{
    list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:600;
    display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--ink);
    transition:background .2s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{content:"+";font-size:20px;font-weight:700;color:var(--brand);line-height:1}
  .faq-item[open] summary::after{content:"−"}
  .faq-item[open] summary{background:var(--brand-soft);border-left:3px solid var(--brand)}
  .faq-body{padding:16px 22px 20px;color:var(--ink2);font-size:15.5px;line-height:1.9;border-left:3px solid transparent}

  /* 订阅表单 */
  .input{
    width:100%;height:48px;border-radius:var(--r-sm);border:1px solid var(--line);
    padding:0 16px;font-size:15px;color:var(--ink);background:#fff;font-family:inherit;
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .input::placeholder{color:var(--ink3)}
  .input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(11,95,74,.16)}
  .form-label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
  .form-note{font-size:13px;color:var(--ink3);margin:10px 0 0}

  /* CTA 条 */
  .cta-band{background:var(--brand-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

  /* 页脚 */
  .site-footer{background:var(--dark);color:rgba(255,255,255,.72)}
  .footer-brand .logo-text strong{color:#fff}
  .footer-brand .logo-text em{color:rgba(255,255,255,.55)}
  .footer-title{font-size:13px;font-weight:700;letter-spacing:.18em;color:#fff;margin-bottom:14px}
  .footer-link{
    display:block;font-size:14.5px;color:rgba(255,255,255,.72);padding:6px 0;
    transition:color .18s ease;
  }
  .footer-link:hover{color:#fff;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;text-decoration-color:var(--brand)}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.14);padding:18px 0;
    font-size:13px;color:rgba(255,255,255,.55);text-align:center;
  }
  @media (max-width:640px){
    .hero-title{font-size:30px}
    .card-body{padding:16px !important}
  }

/* roulang page: category1 */
:root{
  --brand:#0B5F4A;
  --brand-hover:#0A5140;
  --brand-active:#08402F;
  --brand-light:#E8F2EE;
  --accent:#E2552B;
  --lime:#C6F24E;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --dark:#0A1A16;
  --line:#E6E2D8;
  --soft:#F1EEE7;
  --text:#14201C;
  --text-2:#4A5751;
  --text-3:#8A948F;
  --ok:#1E9E6A;
  --warn:#D97706;
  --err:#C7402F;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --shadow:0 1px 2px rgba(10,26,22,.06),0 8px 24px -12px rgba(10,26,22,.18);
  --shadow-hover:0 18px 40px -16px rgba(11,95,74,.28);
  --font:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",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;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-sm);background:var(--line)}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,summary:focus-visible,label:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4,p{margin:0}
h1{font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.18;letter-spacing:-.01em}
h2{font-size:32px;font-weight:700;line-height:1.28}
h3{font-size:22px;font-weight:600;line-height:1.4}
ul,ol{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
time{font-variant-numeric:tabular-nums}

.container-site{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.container-site{padding-left:32px;padding-right:32px}}
@media(min-width:1280px){.container-site{padding-left:40px;padding-right:40px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:0 10px 30px -20px rgba(10,26,22,.45)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px}
@media(min-width:1024px){.header-inner{height:72px}}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-active) 100%);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px -8px rgba(11,95,74,.7);
}
.logo-text{display:inline-flex;align-items:baseline;gap:2px;line-height:1}
.logo-text strong{font-size:19px;font-weight:800;color:var(--brand);letter-spacing:-.01em}
.logo-text em{font-size:19px;font-style:normal;font-weight:800;color:var(--text);letter-spacing:-.01em}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:9px 13px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--text-2);
  background:transparent;border:0;cursor:pointer;
  transition:color .16s ease,background-color .16s ease,transform .16s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:var(--brand-light)}
.nav-link.active{color:var(--brand)}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  border-radius:2px;background:var(--brand);
}
.header-right{display:flex;align-items:center;gap:10px}

.mega-wrap{position:relative}
.mega-trigger svg{transition:transform .16s ease}
.mega-wrap:hover .mega-trigger svg,.mega-wrap:focus-within .mega-trigger svg{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:720px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:0 24px 60px -28px rgba(10,26,22,.45);
  padding:22px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .16s ease,transform .16s ease,visibility .16s ease;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1.1fr 1.1fr 1fr;gap:20px}
.mega-title{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--text-3);margin-bottom:10px}
.mega-link{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:8px 10px;border-radius:10px;font-size:14.5px;color:var(--text-2);
  transition:background-color .16s ease,color .16s ease,transform .16s ease;
}
.mega-link:hover{background:var(--soft);color:var(--brand);transform:translateX(2px)}
.mega-item{display:block;padding:8px 10px;border-radius:10px;transition:background-color .16s ease}
.mega-item:hover{background:var(--soft)}
.mega-item-title{display:block;font-size:14.5px;font-weight:600;color:var(--text);line-height:1.55}
.mega-item-meta{display:block;font-size:12.5px;color:var(--text-3);margin-top:2px}
.mega-card{border:1px solid var(--line);border-radius:var(--r-md);padding:12px;background:var(--soft)}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:10px}
.mega-card p{font-size:13.5px;line-height:1.7;color:var(--text-2);margin:10px 0 8px}

.burger{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;padding:0 11px;
}
.burger span{display:block;height:2px;border-radius:2px;background:var(--text);transition:transform .2s ease,opacity .2s ease}
.nav-toggle-input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.nav-toggle-input:checked ~ .header-inner .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle-input:checked ~ .header-inner .burger span:nth-child(2){opacity:0}
.nav-toggle-input:checked ~ .header-inner .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-panel{
  overflow:hidden;max-height:0;opacity:0;visibility:hidden;
  background:#fff;border-top:1px solid transparent;
  transition:max-height .28s ease,opacity .2s ease,visibility .2s ease;
}
.nav-toggle-input:checked ~ .mobile-panel{
  max-height:calc(100vh - 64px);opacity:1;visibility:visible;border-top-color:var(--line);
}
.mobile-inner{padding:16px 20px 24px;display:flex;flex-direction:column;gap:4px}
.mobile-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 14px;border-radius:12px;font-size:16px;font-weight:600;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.mobile-link.active{color:var(--brand);background:var(--brand-light);border-bottom-color:transparent}
.mobile-cta{margin-top:14px}

/* ---------- Buttons ---------- */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;border:1px solid transparent;
  background:var(--brand);color:#fff;font-size:15px;font-weight:700;letter-spacing:.01em;
  cursor:pointer;transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease;
  box-shadow:0 10px 24px -14px rgba(11,95,74,.9);
}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-2px);box-shadow:0 16px 32px -16px rgba(11,95,74,.85)}
.btn-primary:active{background:var(--brand-active);transform:translateY(0)}
.btn-accent{background:var(--accent);box-shadow:0 10px 24px -14px rgba(226,85,43,.9)}
.btn-accent:hover{background:#CC4A22}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;border:1px solid var(--brand);
  background:#fff;color:var(--brand);font-size:15px;font-weight:700;cursor:pointer;
  transition:background-color .18s ease,transform .18s ease;
}
.btn-outline:hover{background:var(--brand-light);transform:translateY(-2px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;border:1px solid rgba(255,255,255,.6);
  background:transparent;color:#fff;font-size:15px;font-weight:700;cursor:pointer;
  transition:background-color .18s ease,border-color .18s ease;
}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);
  font-size:14.5px;font-weight:700;border-bottom:1px solid rgba(11,95,74,.35);
  padding-bottom:2px;transition:gap .18s ease,border-color .18s ease;
}
.link-arrow:hover{gap:10px;border-color:var(--brand)}

/* ---------- Badges / chips ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;border-radius:6px;padding:3px 9px;font-size:12.5px;font-weight:700;letter-spacing:.02em}
.badge-brand{background:var(--brand-light);color:var(--brand)}
.badge-neutral{background:var(--soft);color:var(--text-2)}
.badge-lime{background:rgba(198,242,78,.24);color:#3D5A12}

.anchor-bar{display:flex;gap:10px;overflow-x:auto;padding:4px 0 6px;scrollbar-width:none}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-chip{
  flex:0 0 auto;padding:9px 16px;border-radius:999px;border:1px solid var(--line);
  background:#fff;font-size:14px;font-weight:600;color:var(--text-2);
  transition:all .16s ease;white-space:nowrap;
}
.anchor-chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-light)}
.anchor-chip.active{background:var(--brand);border-color:var(--brand);color:#fff}

/* ---------- Hero (category) ---------- */
.cat-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(rgba(10,26,22,.74),rgba(11,95,74,.72)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 12px);
}
.cat-hero-inner{position:relative;z-index:2;padding:44px 0 40px}
@media(min-width:1024px){.cat-hero-inner{padding:56px 0 52px}}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72)}
.breadcrumb a{color:rgba(255,255,255,.82);transition:color .16s ease}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.86);max-width:44em;margin-top:16px}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(198,242,78,.16);border:1px solid rgba(198,242,78,.45);
  color:var(--lime);font-size:12.5px;font-weight:700;letter-spacing:.06em;margin-bottom:18px;
}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.hero-stat{
  border:1px solid rgba(255,255,255,.24);border-radius:var(--r-md);
  padding:10px 16px;background:rgba(255,255,255,.08);backdrop-filter:blur(4px);
}
.hero-stat b{display:block;font-size:20px;font-weight:800;color:#fff}
.hero-stat span{display:block;font-size:12.5px;color:rgba(255,255,255,.72);margin-top:2px}

/* ---------- Layout ---------- */
.section{padding:48px 0}
@media(min-width:1024px){.section{padding:76px 0}}
.toc-card{
  position:sticky;top:96px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--shadow);
}
.toc-title{font-size:12px;font-weight:800;letter-spacing:.1em;color:var(--text-3);margin-bottom:12px}
.toc-link{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:10px;font-size:14.5px;color:var(--text-2);
  transition:background-color .16s ease,color .16s ease,transform .16s ease;
}
.toc-link:hover{background:var(--soft);color:var(--brand);transform:translateX(2px)}
.toc-link.active{background:var(--brand-light);color:var(--brand);font-weight:700}
.toc-dot{width:6px;height:6px;border-radius:50%;background:var(--line);flex:0 0 auto}
.toc-link.active .toc-dot{background:var(--brand)}
.toc-note{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;line-height:1.75;color:var(--text-3)}

.content-block{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow);margin-bottom:24px;
}
@media(min-width:768px){.content-block{padding:32px}}
@media(min-width:1024px){.content-block{padding:36px}}
.block-h2{font-size:26px;font-weight:700;line-height:1.32;letter-spacing:-.005em;padding-left:14px;position:relative;margin-bottom:16px}
@media(min-width:1024px){.block-h2{font-size:30px}}
.block-h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--brand)}
.block-p{font-size:17px;line-height:1.9;color:var(--text-2);margin-bottom:1.1em}
.block-p:last-of-type{margin-bottom:0}
.block-p a{color:var(--brand);border-bottom:1px solid rgba(11,95,74,.35)}
.block-p a:hover{border-bottom-width:2px}

.check-list{margin:20px 0 4px;display:grid;gap:10px}
.check-list li{display:flex;gap:12px;font-size:16px;line-height:1.8;color:var(--text-2)}
.check-list li::before{
  content:"";flex:0 0 auto;width:18px;height:18px;margin-top:7px;border-radius:5px;
  background:var(--brand-light);
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230B5F4A' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 12.5l5 5L20 6.5'/%3E%3C/svg%3E");
  background-size:12px 12px;background-position:center;background-repeat:no-repeat;
}

.figure{margin:22px 0 6px}
.figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-sm);border:1px solid var(--line)}
.figure figcaption{font-size:13px;color:var(--text-3);margin-top:8px}

/* ---------- Table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-md);margin:22px 0 6px;background:#fff}
table.data-table{width:100%;border-collapse:collapse;min-width:640px;font-size:15px}
table.data-table thead th{
  background:var(--brand);color:#fff;text-align:left;font-weight:700;
  padding:13px 16px;font-size:14px;letter-spacing:.02em;white-space:nowrap;
}
table.data-table tbody td{padding:13px 16px;border-top:1px solid var(--line);color:var(--text-2);line-height:1.7;vertical-align:top}
table.data-table tbody tr:nth-child(even){background:var(--soft)}
table.data-table tbody tr:hover{background:var(--brand-light)}
table.data-table td strong{color:var(--text)}

/* ---------- Entry cards ---------- */
.entry-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(11,95,74,.35)}
.entry-card .thumb{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-sm)}
.entry-card h3{font-size:20px;font-weight:700;line-height:1.4}
.entry-card p{font-size:15px;line-height:1.8;color:var(--text-2)}
.entry-mini{background:var(--soft);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;display:flex;flex-direction:column;gap:10px}
.entry-mini h3{font-size:19px;font-weight:700;line-height:1.4}
.entry-mini p{font-size:14.5px;line-height:1.8;color:var(--text-2)}
.num-tag{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:9px;background:var(--brand-light);color:var(--brand);
  font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
}

/* ---------- Dark strip ---------- */
.dark-strip{background:var(--dark);color:#fff;position:relative;overflow:hidden}
.dark-strip::after{
  content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.04) 0 1px,transparent 1px 14px);
  pointer-events:none;
}
.dark-strip .container-site{position:relative;z-index:2}
.strip-item{display:flex;gap:14px;align-items:flex-start}
.strip-num{
  flex:0 0 auto;font-size:22px;font-weight:800;color:var(--lime);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.strip-item h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:6px}
.strip-item p{font-size:14.5px;line-height:1.75;color:rgba(255,255,255,.72)}

/* ---------- FAQ ---------- */
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item[open]{border-color:rgba(11,95,74,.4);box-shadow:var(--shadow);background:linear-gradient(90deg,var(--brand-light) 0 4px,#fff 4px)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16.5px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 auto}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-body{padding:0 20px 20px;font-size:15.5px;line-height:1.85;color:var(--text-2)}

/* ---------- CTA ---------- */
.cta-band{background:var(--brand-light);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-band h2{font-size:26px;font-weight:700;line-height:1.34}
@media(min-width:1024px){.cta-band h2{font-size:30px}}
.cta-band p{font-size:16px;line-height:1.85;color:var(--text-2);margin-top:12px}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:#fff}
.site-footer .logo-text strong{color:var(--lime)}
.site-footer .logo-text em{color:#fff}
.site-footer .logo-mark{background:rgba(198,242,78,.16);color:var(--lime);box-shadow:none;border:1px solid rgba(198,242,78,.35)}
.footer-title{font-size:13px;font-weight:800;letter-spacing:.1em;color:rgba(255,255,255,.55);margin-bottom:14px}
.footer-link{
  display:block;padding:5px 0;font-size:14.5px;color:rgba(255,255,255,.72);
  transition:color .16s ease;
}
.footer-link:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--brand);text-decoration-thickness:2px;text-underline-offset:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:16px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- Responsive ---------- */
@media(max-width:1023px){
  h2{font-size:26px}
  .block-h2{font-size:24px}
  .toc-card{position:static;margin-bottom:20px}
}
@media(max-width:639px){
  h1{font-size:30px}
  .block-h2{font-size:22px}
  .content-block{padding:20px}
  .btn-primary,.btn-outline,.btn-ghost{width:100%}
  .hero-stat{flex:1 1 45%}
}

/* roulang page: article */
:root{
  --brand:#0B5F4A;
  --brand-hover:#0A5140;
  --brand-active:#08402F;
  --brand-soft:#E8F2EE;
  --accent:#E2552B;
  --lime:#C6F24E;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --dark:#0A1A16;
  --line:#E6E2D8;
  --section:#F1EEE7;
  --text:#14201C;
  --text-2:#4A5751;
  --text-3:#8A948F;
  --ok:#1E9E6A;
  --warn:#D97706;
  --err:#C7402F;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --shadow-1:0 1px 2px rgba(10,26,22,.06), 0 8px 24px -12px rgba(10,26,22,.18);
  --shadow-2:0 18px 40px -16px rgba(11,95,74,.28);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,Segoe UI,sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0}
summary{list-style:none;cursor:pointer}
summary::-webkit-details-marker{display:none}
::selection{background:var(--brand-soft);color:var(--brand-active)}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:6px;
}
.container-site{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.scrolled{box-shadow:0 10px 28px -18px rgba(10,26,22,.42)}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.logo-mark{
  width:38px;
  height:38px;
  border-radius:11px;
  background:var(--brand);
  color:#fff;
  display:grid;
  place-items:center;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.2);
  transition:background .18s ease,transform .18s ease;
}
.logo:hover .logo-mark{background:var(--brand-hover);transform:translateY(-1px)}
.logo-text{display:flex;flex-direction:column;line-height:1.08}
.logo-text strong{
  font-size:17px;
  font-weight:800;
  color:var(--brand);
  letter-spacing:.01em;
}
.logo-text em{
  font-style:normal;
  font-size:11.5px;
  letter-spacing:.22em;
  color:var(--text-2);
  font-weight:600;
}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  border-radius:999px;
  font-size:15px;
  color:var(--text-2);
  transition:color .18s ease,background .18s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.active{color:var(--brand);font-weight:700}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
}
.mega{position:relative}
.mega-trigger{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:40px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  font-size:15px;
  color:var(--text-2);
  cursor:pointer;
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.mega:hover .mega-trigger,
.mega:focus-within .mega-trigger{
  color:var(--brand);
  border-color:rgba(11,95,74,.4);
  background:var(--brand-soft);
}
.mega-arrow{
  width:0;height:0;
  border-left:4px solid transparent;
  border-right:4px solid transparent;
  border-top:5px solid currentColor;
  transition:transform .18s ease;
}
.mega:hover .mega-arrow,
.mega:focus-within .mega-arrow{transform:rotate(180deg)}
.mega-panel{
  position:absolute;
  right:0;
  top:calc(100% + 12px);
  width:720px;
  max-width:calc(100vw - 40px);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  padding:24px;
  display:grid;
  grid-template-columns:1.05fr 1fr .95fr;
  gap:22px;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .16s ease-out,transform .16s ease-out,visibility .16s ease-out;
}
.mega:hover .mega-panel,
.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{
  font-size:12px;
  letter-spacing:.16em;
  color:var(--text-3);
  font-weight:700;
  margin-bottom:12px;
}
.mega-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:9px 10px;
  border-radius:10px;
  font-size:14.5px;
  color:var(--text-2);
  transition:background .16s ease,color .16s ease,transform .16s ease;
}
.mega-item:hover{background:var(--brand-soft);color:var(--brand);transform:translateX(2px)}
.mega-item .arrow{color:var(--brand);opacity:.7}
.mega-post{
  display:block;
  padding:10px 10px 10px 12px;
  border-left:2px solid var(--line);
  transition:border-color .16s ease,background .16s ease;
  border-radius:0 10px 10px 0;
}
.mega-post:hover{border-left-color:var(--brand);background:var(--section)}
.mega-post span{display:block;font-size:14.5px;color:var(--text);line-height:1.6}
.mega-post time{display:block;font-size:12.5px;color:var(--text-3);margin-top:4px}
.mega-card{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  background:#fff;
  display:flex;
  flex-direction:column;
  transition:box-shadow .2s ease,transform .2s ease;
}
.mega-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--line)}
.mega-card-body{padding:14px 16px 18px}
.mega-card-body p{font-size:14.5px;color:var(--text-2);line-height:1.7}
.mega-card-body .link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:10px;
  font-size:14px;
  font-weight:700;
  color:var(--brand);
}
.mega-card-body .link-more::after{content:"→";transition:transform .18s ease}
.mega-card:hover .link-more::after{transform:translateX(4px)}

/* 移动端导航 */
.mobile-nav{display:none;position:relative}
.burger{
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:#fff;
  display:grid;
  place-content:center;
  gap:5px;
  transition:border-color .18s ease,background .18s ease;
}
.burger:hover{border-color:rgba(11,95,74,.4);background:var(--brand-soft)}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text)}
.mobile-panel{
  position:fixed;
  top:72px;
  right:0;
  bottom:0;
  width:min(88vw,360px);
  background:#fff;
  border-left:1px solid var(--line);
  box-shadow:-20px 0 44px -22px rgba(10,26,22,.4);
  padding:20px;
  overflow-y:auto;
  display:flex;
  flex-direction:column;
  gap:6px;
}
.mobile-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:13px 14px;
  border-radius:var(--r-sm);
  font-size:16px;
  color:var(--text-2);
  border:1px solid transparent;
}
.mobile-link:hover,.mobile-link:focus-visible{background:var(--brand-soft);color:var(--brand);border-color:rgba(11,95,74,.18)}
.mobile-link.active{background:var(--brand-soft);color:var(--brand);font-weight:700}
.mobile-sub{padding-left:12px;display:flex;flex-direction:column;gap:4px;border-left:2px solid var(--line);margin:2px 0 6px 12px}
.mobile-sub a{padding:8px 12px;font-size:15px;color:var(--text-2);border-radius:10px}
.mobile-sub a:hover{background:var(--section);color:var(--brand)}
.mobile-cta{
  margin-top:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  height:48px;
  border-radius:999px;
  background:var(--brand);
  color:#fff;
  font-weight:700;
}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{background:var(--brand-active);transform:translateY(0);box-shadow:none}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0);background:#dcece5}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:700;
  color:var(--brand);
}
.btn-text::after{content:"→";transition:transform .18s ease}
.btn-text:hover::after{transform:translateX(4px)}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:6px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
  background:var(--brand-soft);
  color:var(--brand);
  white-space:nowrap;
}
.badge-neutral{background:var(--section);color:var(--text-2)}
.badge-lime{background:rgba(198,242,78,.28);color:#3E5A0A}
.badge-warn{background:#FDF1E0;color:var(--warn)}

/* ============ 文章头部 ============ */
.article-top{padding:34px 0 0}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--text-3);transition:color .16s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#C9C4B8}
.crumb-current{
  color:var(--text-2);
  max-width:56ch;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.article-head{max-width:920px;margin:0 auto}
.article-title{
  font-size:clamp(28px,3.8vw,44px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.01em;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-top:18px;
  padding-bottom:20px;
  border-bottom:1px solid var(--line);
  font-size:14px;
  color:var(--text-3);
}
.article-meta .dot{color:#C9C4B8}
.article-cover{
  max-width:920px;
  margin:26px auto 0;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--line);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-cover figcaption{
  padding:10px 16px;
  font-size:13px;
  color:var(--text-3);
  background:#fff;
  border-top:1px solid var(--line);
}

/* ============ 正文排版 ============ */
.article-main{padding:40px 0 8px}
.article-body{
  max-width:780px;
  margin:0 auto;
  font-size:17px;
  line-height:1.9;
  letter-spacing:.01em;
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  position:relative;
  font-size:26px;
  font-weight:700;
  line-height:1.34;
  margin:40px 0 16px;
  padding-left:16px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.24em;
  bottom:.24em;
  width:4px;
  border-radius:2px;
  background:var(--brand);
}
.article-body h3{font-size:20px;font-weight:600;line-height:1.4;margin:28px 0 12px}
.article-body h4{font-size:17.5px;font-weight:700;margin:22px 0 10px;color:var(--text-2)}
.article-body p{margin:0 0 1.2em}
.article-body strong{font-weight:700;color:var(--brand-active)}
.article-body a{
  color:var(--brand);
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-underline-offset:3px;
  transition:text-decoration-thickness .16s ease;
}
.article-body a:hover{text-decoration-thickness:2px}
.article-body ul,
.article-body ol{margin:0 0 1.2em;padding-left:0}
.article-body ul li{position:relative;list-style:none;padding-left:26px;margin-bottom:10px}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:4px;
  top:.72em;
  width:8px;
  height:8px;
  border-radius:2px;
  background:var(--brand);
}
.article-body ol{counter-reset:li}
.article-body ol li{
  position:relative;
  list-style:none;
  padding-left:32px;
  margin-bottom:10px;
  counter-increment:li;
}
.article-body ol li::before{
  content:counter(li);
  position:absolute;
  left:0;
  top:.16em;
  width:22px;
  height:22px;
  border-radius:6px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12.5px;
  font-weight:700;
  display:grid;
  place-items:center;
  font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:24px 0;
  padding:18px 22px;
  border-left:4px solid var(--brand);
  background:var(--brand-soft);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  border-radius:var(--r-sm);
  margin:24px auto;
  background:var(--line);
}
.article-body figure{margin:24px 0}
.article-body figure img{margin:0 auto}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15.5px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  overflow:hidden;
}
.article-body thead th{
  background:var(--brand);
  color:#fff;
  font-weight:600;
  text-align:left;
  padding:12px 14px;
  border-bottom:1px solid rgba(255,255,255,.16);
  white-space:nowrap;
}
.article-body tbody td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  color:var(--text-2);
}
.article-body tbody tr:nth-child(even) td{background:var(--section)}
.article-body tbody tr:last-child td{border-bottom:none}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:14.5px;
  background:var(--section);
  border:1px solid var(--line);
  border-radius:6px;
  padding:1px 6px;
}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0}
.article-body .tip,
.article-body .warn{
  margin:22px 0;
  padding:16px 18px;
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:16px;
  line-height:1.8;
}
.article-body .tip{border-left:4px solid var(--ok);background:#EDF8F2;color:#1C4A38}
.article-body .warn{border-left:4px solid var(--warn);background:#FDF5E9;color:#6B4408}

.empty-state{
  max-width:780px;
  margin:0 auto;
  padding:56px 28px;
  background:#fff;
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
  text-align:center;
}
.empty-state h2{font-size:24px;font-weight:700;margin-bottom:12px}
.empty-state p{color:var(--text-2);margin-bottom:22px}

/* ============ 文末 ============ */
.article-foot{
  max-width:780px;
  margin:44px auto 0;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-row .label{font-size:13px;color:var(--text-3);margin-right:2px}
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 12px;
  border-radius:8px;
  background:#fff;
  border:1px solid var(--line);
  font-size:13.5px;
  color:var(--text-2);
  transition:border-color .16s ease,color .16s ease,background .16s ease;
}
.tag:hover{border-color:rgba(11,95,74,.4);color:var(--brand);background:var(--brand-soft)}
.back-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:20px;
  font-size:14.5px;
  color:var(--brand);
  transition:gap .18s ease;
}
.back-link:hover{gap:12px}

/* 相关入口大卡 */
.nav-cards{
  max-width:920px;
  margin:44px auto 0;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.nav-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .28s ease,box-shadow .28s ease;
}
.nav-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.nav-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--line);transition:transform .4s ease}
.nav-card:hover img{transform:scale(1.03)}
.nav-card-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.nav-card-body h3{font-size:19px;font-weight:700;line-height:1.45}
.nav-card-body p{font-size:15px;color:var(--text-2);line-height:1.8}
.nav-card-body .btn-text{margin-top:auto}

/* ============ 平台内容范围 ============ */
.section{padding:72px 0}
.section-alt{background:var(--section)}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:32px;
}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.28}
.section-head p{font-size:15.5px;color:var(--text-2);margin-top:10px;max-width:52ch}
.mini-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.mini-card{
  display:flex;
  gap:16px;
  padding:16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-1);border-color:rgba(11,95,74,.3)}
.mini-card img{
  width:120px;
  height:110px;
  flex:none;
  border-radius:var(--r-sm);
  object-fit:cover;
  background:var(--line);
}
.mini-card-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.mini-card-body h3{font-size:16px;font-weight:700;line-height:1.5}
.mini-card-body p{font-size:14px;color:var(--text-2);line-height:1.7}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(11,95,74,.35);box-shadow:var(--shadow-1)}
.faq-q{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px 18px 26px;
  font-size:16.5px;
  font-weight:600;
  transition:background .2s ease;
}
.faq-q::before{
  content:"";
  position:absolute;
  left:0;
  top:16px;
  bottom:16px;
  width:3px;
  border-radius:0 2px 2px 0;
  background:var(--brand);
  transform:scaleY(0);
  transition:transform .2s ease;
}
.faq-item[open] .faq-q::before{transform:scaleY(1)}
.faq-item[open] .faq-q{background:var(--brand-soft)}
.faq-icon{position:relative;width:18px;height:18px;flex:none}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--brand);
  border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{left:0;right:0;top:8px;height:2px}
.faq-icon::after{top:0;bottom:0;left:8px;width:2px}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{
  padding:16px 22px 20px;
  border-top:1px solid var(--line);
  font-size:15.5px;
  line-height:1.85;
  color:var(--text-2);
}

/* ============ CTA ============ */
.cta-band{
  background:var(--brand-soft);
  border:1px solid rgba(11,95,74,.16);
  border-radius:var(--r-lg);
  padding:36px 34px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.3}
.cta-band p{margin-top:10px;font-size:15.5px;color:var(--text-2);max-width:56ch}
.cta-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72)}
.site-footer .logo-text strong{color:#fff}
.site-footer .logo-text em{color:rgba(255,255,255,.66)}
.site-footer .logo-mark{background:rgba(255,255,255,.08);color:var(--lime);box-shadow:inset 0 0 0 1px rgba(255,255,255,.14)}
.site-footer .logo:hover .logo-mark{background:rgba(255,255,255,.14)}
.footer-title{
  font-size:14px;
  font-weight:700;
  color:#fff;
  letter-spacing:.04em;
  margin:0 0 14px;
}
.footer-link{
  display:block;
  padding:6px 0;
  font-size:14.5px;
  color:rgba(255,255,255,.72);
  transition:color .18s ease;
}
.footer-link:hover{
  color:#fff;
  text-decoration:underline;
  text-decoration-color:var(--brand);
  text-decoration-thickness:2px;
  text-underline-offset:4px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:18px 0;
  font-size:13px;
  text-align:center;
  color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (min-width:768px){
  .container-site{padding-left:32px;padding-right:32px}
}
@media (min-width:1280px){
  .container-site{padding-left:40px;padding-right:40px}
}
@media (max-width:1023px){
  .nav-desktop{display:none}
  .mega{display:none}
  .mobile-nav{display:block}
  .mini-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section{padding:56px 0}
}
@media (max-width:767px){
  body{font-size:16px}
  .header-inner{height:64px}
  .mobile-panel{top:64px}
  .article-title{font-size:28px}
  .article-body{font-size:16px;line-height:1.9}
  .article-body h2{font-size:22px;margin-top:32px}
  .article-body h3{font-size:18.5px}
  .nav-cards{grid-template-columns:1fr;gap:18px}
  .mini-grid{grid-template-columns:1fr}
  .mini-card img{width:104px;height:96px}
  .cta-band{padding:26px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .section{padding:48px 0}
  .section-head{margin-bottom:24px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
}
@media (max-width:520px){
  .logo-text em{letter-spacing:.14em}
  .article-body img{border-radius:10px}
  .faq-q{font-size:15.5px;padding:16px 18px 16px 20px}
}

/* roulang page: category2 */
:root{
  --brand:#0B5F4A;
  --brand-hover:#0A5140;
  --brand-active:#08402F;
  --brand-soft:#E8F2EE;
  --accent:#E2552B;
  --lime:#C6F24E;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --dark:#0A1A16;
  --line:#E6E2D8;
  --soft:#F1EEE7;
  --ink:#14201C;
  --ink-2:#4A5751;
  --ink-3:#8A948F;
  --ok:#1E9E6A;
  --warn:#D97706;
  --err:#C7402F;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --sh-1:0 1px 2px rgba(10,26,22,.06), 0 8px 24px -12px rgba(10,26,22,.18);
  --sh-2:0 18px 40px -16px rgba(11,95,74,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-sm)}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul{padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}

.container-site{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:768px){.container-site{padding:0 32px}}
@media (min-width:1280px){.container-site{padding:0 40px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(10,26,22,.35)}
.header-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px}
@media (min-width:1024px){.header-inner{height:72px}}

.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 38px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand),#0d7a5e);
  color:#fff;box-shadow:0 6px 16px -8px rgba(11,95,74,.7);
}
.logo-text{display:flex;flex-direction:column;line-height:1.05}
.logo-text strong{font-size:17px;font-weight:800;color:var(--brand);letter-spacing:0}
.logo-text em{font-style:normal;font-size:12px;font-weight:600;color:var(--ink-2);letter-spacing:.16em;margin-top:3px}

.nav-link{
  position:relative;display:inline-block;
  padding:9px 14px;border-radius:999px;
  font-size:15.5px;font-weight:600;color:var(--ink-2);
  transition:color .18s ease,background-color .18s ease;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.active{color:var(--brand)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  border-radius:2px;background:var(--brand);
}

.header-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.mega{display:none;position:relative}
@media (min-width:1024px){.mega{display:block}}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;border:1px solid var(--line);
  background:#fff;font-size:15px;font-weight:600;color:var(--ink-2);
  cursor:pointer;transition:.18s ease;
}
.mega-trigger:hover,.mega:focus-within .mega-trigger{color:var(--brand);border-color:var(--brand);background:var(--brand-soft)}
.mega-trigger:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:720px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:24px;
  display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .16s ease-out,transform .16s ease-out,visibility .16s;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col-title{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--ink-3);margin-bottom:12px}
.mega-link{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:9px 10px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--ink-2);
  transition:.16s ease;
}
.mega-link:hover{background:var(--soft);color:var(--brand);transform:translateX(2px)}
.mega-link i{font-size:11px;color:var(--ink-3)}
.mega-post{display:block;padding:9px 10px;border-radius:10px;transition:.16s ease}
.mega-post:hover{background:var(--soft)}
.mega-post b{display:block;font-size:14.5px;font-weight:600;color:var(--ink)}
.mega-post span{display:block;font-size:12.5px;color:var(--ink-3);margin-top:3px}
.mega-card{
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  background:var(--soft);display:flex;flex-direction:column;
}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.mega-card-body{padding:14px}
.mega-card-body b{font-size:14.5px;font-weight:700}
.mega-card-body p{font-size:13px;color:var(--ink-2);line-height:1.6;margin:6px 0 10px}
.mega-card-body a{font-size:13.5px;font-weight:700;color:var(--brand)}

.mobile-menu{position:relative}
@media (min-width:1024px){.mobile-menu{display:none}}
.mobile-menu>summary{
  list-style:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:.18s ease;
}
.mobile-menu>summary::-webkit-details-marker{display:none}
.mobile-menu[open]>summary{background:var(--brand-soft);color:var(--brand);border-color:var(--brand)}
.mobile-panel{
  position:fixed;top:64px;left:0;right:0;bottom:0;z-index:70;
  background:#fff;border-top:1px solid var(--line);
  padding:18px 20px 40px;overflow-y:auto;
}
.mobile-link{
  display:block;padding:15px 6px;font-size:16.5px;font-weight:600;
  color:var(--ink-2);border-bottom:1px solid var(--line);
}
.mobile-link.active{color:var(--brand)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15.5px;font-weight:700;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{background:var(--brand-active);transform:translateY(0)}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:var(--brand-soft)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand);font-size:14.5px}
.link-arrow i{transition:transform .2s ease}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- shared bits ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;border-radius:6px;background:var(--brand-soft);
  color:var(--brand);font-size:12.5px;font-weight:700;letter-spacing:.08em;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.section{padding:48px 0}
@media (min-width:1024px){.section{padding:84px 0}}
.section-head h2{font-size:32px;font-weight:700;line-height:1.28;letter-spacing:-.01em}
@media (max-width:767px){.section-head h2{font-size:24px}}
.section-head p{margin-top:16px;color:var(--ink-2);max-width:46em}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:6px;font-size:12.5px;font-weight:700;
  letter-spacing:.02em;background:var(--brand-soft);color:var(--brand);
}
.badge-neutral{background:var(--soft);color:var(--ink-2)}
.badge-accent{background:rgba(226,85,43,.12);color:var(--accent)}

/* ---------- category2 hero ---------- */
.cat-hero{
  background:var(--soft);
  border-bottom:1px solid var(--line);
  padding:28px 0 56px;
}
@media (min-width:1024px){.cat-hero{padding:36px 0 80px}}
.breadcrumb{font-size:13px;color:var(--ink-3);margin-bottom:22px}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span.sep{margin:0 8px;color:var(--ink-3)}
.cat-hero h1{
  font-size:clamp(30px,4.2vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.01em;
  margin-top:16px;
}
.hero-sub{margin-top:18px;font-size:18px;line-height:1.75;color:var(--ink-2);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}
.hero-facts li{display:flex;align-items:center;gap:8px;font-size:14.5px;color:var(--ink-2);font-weight:600}
.hero-facts i{color:var(--brand)}
.hero-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);border:1px solid var(--line);background:#fff}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.float-stat{
  position:absolute;left:18px;right:18px;bottom:18px;
  background:rgba(255,255,255,.95);border:1px solid var(--line);
  border-radius:var(--r-md);padding:14px 18px;
  display:flex;justify-content:space-between;gap:14px;
}
.float-stat .fs-item{display:flex;flex-direction:column;gap:2px}
.float-stat .fs-item b{font-size:22px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.float-stat .fs-item span{font-size:12px;color:var(--ink-3)}

/* ---------- anchor tabs ---------- */
.tabbar{
  display:flex;gap:10px;overflow-x:auto;padding:4px 0 12px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.tabbar::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;padding:9px 18px;border-radius:999px;border:1px solid var(--line);
  background:#fff;font-size:14.5px;font-weight:700;color:var(--ink-2);
  transition:.18s ease;
}
.tab:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft)}
.tab.active{background:var(--brand);border-color:var(--brand);color:#fff}

/* ---------- card wall ---------- */
.wall{display:grid;grid-template-columns:1fr;gap:20px;align-items:start}
@media (min-width:768px){.wall{grid-template-columns:repeat(2,1fr);gap:24px}}
@media (min-width:1024px){.wall{gap:28px}}
.wcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.wcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#cfdcd6}
.wcard h3{font-size:22px;font-weight:600;line-height:1.4;margin-top:14px}
@media (max-width:767px){.wcard h3{font-size:19px}}
.wcard p{margin-top:12px;color:var(--ink-2);font-size:16px;line-height:1.8}
.wcard .card-cover{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-sm);background:var(--line)}
.wcard .card-foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.wcard--accent{background:#fff;border-color:rgba(11,95,74,.28)}
.wcard--accent .accent-rail{width:44px;height:4px;border-radius:2px;background:var(--accent)}
.wcard--tall{padding-bottom:28px}
.mini-list{margin-top:16px;border-top:1px solid var(--line)}
.mini-list li{
  display:flex;gap:12px;align-items:baseline;
  padding:11px 0;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--ink-2);transition:.16s ease;
}
.mini-list li:hover{background:var(--bg);transform:translateX(2px)}
.mini-list b{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums;flex:0 0 auto}
.mini-list .tag{font-size:12px;color:var(--ink-3);margin-left:auto;flex:0 0 auto}

/* ---------- data table ---------- */
.table-wrap{margin-top:26px;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#fff}
.table-scroll{overflow-x:auto}
table.datatable{width:100%;border-collapse:collapse;font-size:15px;min-width:640px}
table.datatable thead th{
  background:var(--brand);color:#fff;text-align:left;font-weight:700;
  padding:14px 18px;font-size:14px;letter-spacing:.02em;white-space:nowrap;
}
table.datatable tbody td{padding:14px 18px;border-top:1px solid var(--line);color:var(--ink-2)}
table.datatable tbody tr:nth-child(even){background:var(--soft)}
table.datatable tbody td b{color:var(--ink);font-variant-numeric:tabular-nums}
.table-note{padding:14px 18px;font-size:13px;color:var(--ink-3);border-top:1px solid var(--line);background:#fff}

/* ---------- dark band ---------- */
.dark-band{background:var(--dark);color:#fff;padding:56px 0}
@media (min-width:1024px){.dark-band{padding:72px 0}}
.dark-band h2{font-size:30px;font-weight:700;line-height:1.3;color:#fff}
@media (max-width:767px){.dark-band h2{font-size:23px}}
.dark-band .lead{color:rgba(255,255,255,.72);margin-top:14px;max-width:44em;font-size:16px}
.band-grid{display:grid;grid-template-columns:1fr;gap:18px;margin-top:34px}
@media (min-width:768px){.band-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.band-item{
  border:1px solid rgba(255,255,255,.16);border-radius:var(--r-lg);
  padding:22px;background:rgba(255,255,255,.03);
  transition:border-color .2s ease,background-color .2s ease;
}
.band-item:hover{border-color:rgba(198,242,78,.5);background:rgba(255,255,255,.06)}
.band-num{
  font-size:14px;font-weight:800;color:var(--lime);letter-spacing:.14em;
  font-variant-numeric:tabular-nums;
}
.band-item h3{margin-top:10px;font-size:19px;font-weight:700;color:#fff}
.band-item p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.72)}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:1fr;gap:22px;margin-top:36px}
@media (min-width:768px){.flow{grid-template-columns:repeat(4,1fr);gap:26px}}
.flow-step{position:relative;padding-top:6px}
.flow-num{
  width:46px;height:46px;border-radius:var(--r-md);
  background:var(--brand);color:#fff;font-weight:800;font-size:16px;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.flow-step h3{margin-top:16px;font-size:18px;font-weight:700}
.flow-step p{margin-top:8px;font-size:15px;color:var(--ink-2);line-height:1.75}
@media (min-width:768px){
  .flow-step::after{
    content:"";position:absolute;top:29px;left:60px;right:-26px;height:1px;background:var(--line);
  }
  .flow-step:last-child::after{display:none}
}

/* ---------- faq ---------- */
.faq-list{margin-top:28px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item + .faq-item{margin-top:12px}
.faq-item:hover{border-color:#cddbd5}
.faq-item[open]{border-color:var(--brand);box-shadow:var(--sh-1)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:17px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.faq-item[open] summary{color:var(--brand)}
.faq-toggle{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;line-height:1;transition:.2s ease;
}
.faq-toggle::before{content:"+"}
.faq-item[open] .faq-toggle{background:var(--brand);color:#fff}
.faq-item[open] .faq-toggle::before{content:"−"}
.faq-body{
  padding:0 22px 22px;color:var(--ink-2);font-size:16px;line-height:1.8;
}
.faq-item[open] .faq-body{box-shadow:inset 3px 0 0 var(--brand)}

/* ---------- cta ---------- */
.cta-band{
  background:var(--brand-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:48px 0;
}
@media (min-width:1024px){.cta-band{padding:64px 0}}
.cta-band h2{font-size:28px;font-weight:700;line-height:1.3}
@media (max-width:767px){.cta-band h2{font-size:22px}}
.cta-band p{margin-top:12px;color:var(--ink-2);max-width:40em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#fff}
.site-footer .logo-text strong{color:#fff}
.site-footer .logo-text em{color:rgba(255,255,255,.6)}
.site-footer .logo-mark{background:linear-gradient(140deg,#0d7a5e,#0B5F4A)}
.footer-title{
  font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:rgba(255,255,255,.5);margin-bottom:14px;
}
.site-footer .footer-link{
  display:block;padding:6px 0;font-size:14.5px;
  color:rgba(255,255,255,.72);transition:color .18s ease;
}
.site-footer .footer-link:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--brand);text-decoration-thickness:2px;text-underline-offset:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:18px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.6)}

@media (max-width:639px){
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .cta-actions{flex-direction:column}
  .float-stat{position:static;margin:14px;background:#fff}
  .wcard{padding:18px}
}