/* roulang page: index */
:root{
  --c-primary:#0E5B46;
  --c-primary-deep:#083D2F;
  --c-accent:#C8F04E;
  --c-alert:#E4572E;
  --c-bg:#F5F7F4;
  --c-bg-alt:#FFFFFF;
  --c-ink:#0E1512;
  --c-ink-2:#5A6B63;
  --c-ink-3:#A9BDB3;
  --c-line:#DFE6E0;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --sh-1:0 2px 8px rgba(11,21,18,.06);
  --sh-2:0 12px 30px rgba(11,21,18,.12);
  --sh-3:0 20px 48px rgba(11,21,18,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-body-color:#0E1512;
  --bs-link-color:#0E5B46;
  --bs-link-hover-color:#083D2F;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-primary-deep)}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;color:var(--c-ink);margin:0}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.wrap{max-width:1280px}}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head .eyebrow{font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--c-ink-2);font-weight:600;margin-bottom:12px}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.25}
.section-head p{color:var(--c-ink-2);margin-top:14px;margin-bottom:0}
.divider-lime{width:56px;height:4px;border-radius:999px;background:var(--c-accent);margin:18px 0 0}

/* ===== 导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:rgba(255,255,255,.10);
  -webkit-backdrop-filter:blur(16px) saturate(180%);
  backdrop-filter:blur(16px) saturate(180%);
  border-bottom:1px solid rgba(255,255,255,.18);
  box-shadow:0 2px 18px rgba(8,61,47,.10);
  transition:background-color .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.site-header .wrap{display:flex;align-items:center;gap:20px;min-height:72px}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--c-line);
  box-shadow:var(--sh-2);
}
.brand{display:flex;align-items:center;gap:10px;flex:none;min-height:44px}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  background:linear-gradient(140deg,var(--c-primary),var(--c-primary-deep));
  display:grid;place-items:center;position:relative;overflow:hidden;
}
.brand-mark::after{
  content:"";position:absolute;inset:auto -6px -8px -6px;height:22px;
  border-radius:50%;
  background:var(--c-accent);opacity:.85;
}
.brand-mark i{position:relative;z-index:1;color:#fff;font-size:15px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:800;color:#fff;letter-spacing:.01em;transition:color .22s var(--ease)}
.brand-text span{font-size:11px;letter-spacing:.14em;color:rgba(255,255,255,.68);text-transform:uppercase;transition:color .22s var(--ease)}
.is-scrolled .brand-text strong{color:var(--c-ink)}
.is-scrolled .brand-text span{color:var(--c-ink-2)}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:14px;flex:1}
.nav-main a{
  position:relative;display:flex;align-items:center;min-height:44px;
  padding:0 14px;font-size:15px;font-weight:500;
  color:rgba(255,255,255,.88);border-radius:10px;
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-main a:hover{color:#fff;background:rgba(255,255,255,.10)}
.is-scrolled .nav-main a{color:var(--c-ink-2)}
.is-scrolled .nav-main a:hover{color:var(--c-primary);background:rgba(14,91,70,.06)}
.nav-main a.is-active{color:#fff;font-weight:600}
.nav-main a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;
  border-radius:2px;background:var(--c-accent);
}
.is-scrolled .nav-main a.is-active{color:var(--c-primary)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;
  border-radius:999px;border:1px solid rgba(255,255,255,.28);
  color:rgba(255,255,255,.9);cursor:pointer;background:transparent;
  transition:border-color .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
}
.nav-search span{font-size:14px}
.nav-search:hover{background:rgba(255,255,255,.12)}
.is-scrolled .nav-search{color:var(--c-ink-2);border-color:var(--c-line)}
.is-scrolled .nav-search:hover{background:rgba(14,91,70,.06)}
.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border:0;border-radius:12px;
  background:var(--c-accent);color:var(--c-primary-deep);
  font-weight:600;font-size:15px;cursor:pointer;
  box-shadow:0 2px 8px rgba(11,21,18,.10),inset 0 1px 0 rgba(255,255,255,.45);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease);
}
.btn-lime i{transition:transform .2s var(--ease)}
.btn-lime:hover{transform:translateY(-2px);filter:brightness(.96);box-shadow:var(--sh-2);color:var(--c-primary-deep)}
.btn-lime:hover i{transform:translateX(2px)}
.btn-lime:active{transform:translateY(0)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 24px;border-radius:12px;
  border:1.5px solid var(--c-primary);color:var(--c-primary);
  background:transparent;font-weight:600;font-size:15px;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn-outline:hover{background:rgba(14,91,70,.08);color:var(--c-primary-deep);transform:translateY(-2px)}
.btn-outline-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 24px;border-radius:12px;
  border:1.5px solid rgba(255,255,255,.6);color:#EDF3EF;background:transparent;
  font-weight:600;font-size:15px;cursor:pointer;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
  transition:background-color .2s var(--ease),transform .2s var(--ease),color .2s var(--ease);
}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 6px;
  border:0;background:transparent;color:var(--c-primary);font-weight:600;font-size:15px;cursor:pointer;
  transition:gap .2s var(--ease),color .2s var(--ease);
}
.btn-ghost:hover{gap:12px;color:var(--c-primary-deep)}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.28);
  background:transparent;color:#fff;display:none;place-items:center;cursor:pointer;
}
.is-scrolled .nav-toggle{color:var(--c-ink);border-color:var(--c-line)}

@media (max-width:991px){
  .nav-main{display:none}
  .nav-search span{display:none}
  .nav-toggle{display:grid}
  .site-header .wrap{min-height:66px;gap:12px}
}
@media (max-width:575px){
  .brand-text span{display:none}
  .nav-actions .btn-lime{padding:12px 16px;font-size:14px}
}

/* offcanvas 抽屉 */
.offcanvas.site-drawer{
  width:310px;background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(18px) saturate(180%);
  backdrop-filter:blur(18px) saturate(180%);
  border-left:1px solid var(--c-line);
}
.site-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--c-line)}
.site-drawer .drawer-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--c-ink);font-size:16px}
.site-drawer .drawer-brand i{color:var(--c-primary)}
.site-drawer .drawer-nav{padding:10px 0}
.site-drawer .drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;padding:0 22px;color:var(--c-ink);font-size:15px;font-weight:500;
  border-bottom:1px solid var(--c-line);
}
.site-drawer .drawer-nav a:hover{background:rgba(14,91,70,.06);color:var(--c-primary)}
.site-drawer .drawer-nav a.is-active{color:var(--c-primary);font-weight:700}
.site-drawer .drawer-foot{padding:22px}
.site-drawer .drawer-foot .btn-lime{width:100%}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;color:#EDF3EF;
  padding:158px 0 96px;
  background:
    linear-gradient(135deg,rgba(8,61,47,.93) 0%,rgba(14,91,70,.82) 58%,rgba(8,61,47,.90) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(18deg,rgba(255,255,255,.05) 0 2px,transparent 2px 26px);
  opacity:.9;
}
.hero .wrap{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;font-size:13px;
  background:rgba(200,240,78,.16);border:1px solid rgba(200,240,78,.42);color:var(--c-accent);
  margin-bottom:20px;
}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.15;font-weight:800;color:#fff;
  margin:0 0 18px;letter-spacing:-.01em;
}
.hero h1 em{font-style:normal;color:var(--c-accent);position:relative;white-space:nowrap}
.hero-sub{font-size:17px;line-height:1.85;color:#C9DCD3;max-width:560px;margin-bottom:30px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;max-width:560px}
.stat{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-md);padding:15px 16px;backdrop-filter:blur(6px);
}
.stat span{display:block;font-size:12.5px;letter-spacing:.06em;color:#A9BDB3;margin-bottom:6px}
.stat b{
  display:block;font-size:24px;font-weight:800;color:var(--c-accent);
  font-variant-numeric:tabular-nums;letter-spacing:.01em;
  font-family:"SF Mono",ui-monospace,"Segoe UI",system-ui,sans-serif;
}
.dev-stack{position:relative;padding:0 0 44px}
.dev-frame{
  border-radius:28px;padding:12px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.18);
  box-shadow:var(--sh-3);
}
.dev-frame img{border-radius:20px;width:100%;height:auto;object-fit:cover}
.dev-frame--back{
  position:absolute;right:-26px;bottom:0;width:52%;z-index:0;
  opacity:.96;
}
.dev-frame--front{position:relative;z-index:1}
@media (max-width:1199px){
  .dev-frame--back{right:-12px;width:50%}
}
@media (max-width:991px){
  .hero{padding:126px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .dev-stack{padding-bottom:0;max-width:620px}
  .dev-frame--back{display:none}
  .hero-sub{max-width:100%}
}
@media (max-width:575px){
  .hero{padding:112px 0 60px}
  .stat-row{grid-template-columns:1fr 1fr}
  .hero-btns .btn-lime,.hero-btns .btn-outline-light{width:100%}
}

/* ===== 通用卡片 ===== */
.card-soft{
  background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card-soft:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(200,240,78,.55)}
.card-soft .thumb{aspect-ratio:16/9;overflow:hidden;background:#EAEFEA}
.card-soft .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s var(--ease)}
.card-soft:hover .thumb img{transform:scale(1.03)}
.card-body-soft{padding:22px}
.badge-soft{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  background:rgba(14,91,70,.10);color:var(--c-primary);font-size:12.5px;font-weight:600;
  letter-spacing:.03em;
}
.badge-new{background:rgba(228,87,46,.12);color:var(--c-alert)}
.badge-lime{background:rgba(200,240,78,.28);color:var(--c-primary-deep)}
.meta-line{display:flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:13.5px;color:var(--c-ink-2);margin-top:16px}
.meta-line i{color:var(--c-ink-3);margin-right:5px}
.card-soft h3{font-size:19px;line-height:1.45;margin:14px 0 10px}
.card-soft h3 a{color:var(--c-ink)}
.card-soft h3 a:hover{color:var(--c-primary)}
.card-soft .excerpt{color:var(--c-ink-2);font-size:14.5px;line-height:1.8;margin:0}

/* ===== 功能价值（左右交错） ===== */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:44px 0}
.feature-row + .feature-row{border-top:1px solid var(--c-line)}
.feature-row.reverse .feature-media{order:2}
.feature-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;background:var(--c-primary-deep);
  color:var(--c-accent);font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
  margin-bottom:18px;
}
.feature-row h3{font-size:clamp(20px,2.2vw,26px);line-height:1.4;margin-bottom:14px}
.feature-row p{color:var(--c-ink-2);font-size:15.5px}
.feature-list{margin-top:18px;display:grid;gap:12px}
.feature-list li{display:flex;gap:10px;font-size:14.5px;color:var(--c-ink-2)}
.feature-list li i{color:var(--c-primary);margin-top:5px;font-size:13px}
.feature-media{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);
  box-shadow:var(--sh-1);background:#EAEFEA;
}
.feature-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
@media (max-width:991px){
  .feature-row{grid-template-columns:1fr;gap:26px;padding:34px 0}
  .feature-row.reverse .feature-media{order:0}
  .feature-media img{aspect-ratio:16/9}
}

/* ===== 轮播 ===== */
.showcase{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.slide-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center;padding:8px 0 12px}
.slide-grid h3{font-size:clamp(20px,2.3vw,28px);line-height:1.4;margin-bottom:16px}
.slide-grid p{color:var(--c-ink-2);font-size:15.5px}
.slide-points{margin-top:20px;display:grid;gap:12px}
.slide-points li{display:flex;gap:10px;font-size:14.5px;color:var(--c-ink-2)}
.slide-points li i{color:var(--c-primary);margin-top:5px;font-size:13px}
.slide-media{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);
  box-shadow:var(--sh-2);background:#EAEFEA;
}
.slide-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.carousel-indicators{position:static;margin:34px 0 0;justify-content:flex-start;gap:10px}
.carousel-indicators [data-bs-target]{
  width:auto;height:36px;padding:0 16px;border:1px solid var(--c-line);border-radius:999px;
  background:#fff;color:var(--c-ink-2);font-size:13.5px;font-weight:600;text-indent:0;
  opacity:1;display:inline-flex;align-items:center;gap:8px;margin:0;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.carousel-indicators .active{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.carousel-indicators [data-bs-target]::after{content:"";display:block}
.showcase-arrows{display:flex;gap:10px;margin-top:26px}
.showcase-arrows button{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.showcase-arrows button:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
@media (max-width:991px){
  .slide-grid{grid-template-columns:1fr;gap:26px}
}

/* ===== 系统要求 ===== */
.spec-card{padding:26px 24px;display:flex;flex-direction:column;height:100%}
.spec-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:rgba(14,91,70,.08);color:var(--c-primary);font-size:20px;margin-bottom:16px;
}
.spec-card h3{font-size:19px;margin-bottom:6px}
.spec-card .spec-note{font-size:13.5px;color:var(--c-ink-2);margin-bottom:14px}
.spec-list dt{font-size:13px;color:var(--c-ink-2);font-weight:400;margin-top:12px}
.spec-list dd{margin:2px 0 0;font-size:14.5px;font-weight:600;color:var(--c-ink);font-variant-numeric:tabular-nums}
.spec-list div + div{border-top:1px dashed var(--c-line);padding-top:12px}

/* ===== 评价墙 ===== */
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.review-card{padding:22px;display:flex;flex-direction:column;height:100%}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{
  width:44px;height:44px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--c-primary),var(--c-primary-deep));
  color:#fff;font-weight:700;font-size:15px;
}
.review-top strong{display:block;font-size:15px}
.review-top small{color:var(--c-ink-2);font-size:12.5px}
.stars{color:var(--c-alert);font-size:13px;letter-spacing:2px;margin-bottom:10px}
.review-card p{font-size:14.5px;color:var(--c-ink-2);line-height:1.8;flex:1}
.review-date{font-size:12.5px;color:var(--c-ink-3);margin-top:14px;font-variant-numeric:tabular-nums}
@media (max-width:1199px){.review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:767px){
  .review-grid{
    display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
    padding-bottom:8px;-webkit-overflow-scrolling:touch;
  }
  .review-grid .review-card{min-width:78%;scroll-snap-align:start}
}

/* ===== 下载区（深色） ===== */
.download{
  position:relative;color:#EDF3EF;overflow:hidden;
  background:
    linear-gradient(135deg,rgba(8,61,47,.94),rgba(14,91,70,.88)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.download-grid{display:grid;grid-template-columns:.62fr 1.38fr;gap:44px;align-items:center}
.qr-card{background:#fff;border-radius:var(--r-md);padding:22px;text-align:center;box-shadow:var(--sh-3)}
.qr-card .qr-box{
  width:100%;aspect-ratio:1/1;max-width:180px;margin:0 auto 14px;border-radius:12px;
  background:#F1F4F0;display:grid;place-items:center;color:var(--c-primary);font-size:34px;
  border:1px solid var(--c-line);
}
.qr-card strong{display:block;color:var(--c-ink);font-size:15px;margin-bottom:4px}
.qr-card small{color:var(--c-ink-2);font-size:12.5px}
.dl-buttons{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.dl-buttons .btn-lime,.dl-buttons .btn-outline-light{width:100%}
.dl-note{margin-top:20px;font-size:12.5px;color:#A9BDB3;letter-spacing:.02em;font-variant-numeric:tabular-nums}
@media (max-width:991px){.download-grid{grid-template-columns:1fr;gap:30px}.qr-card{max-width:320px;margin:0 auto}}
@media (max-width:520px){.dl-buttons{grid-template-columns:1fr}}

/* ===== 资讯列表 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-empty{
  background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-lg);
  padding:56px 24px;text-align:center;color:var(--c-ink-2);
}
.news-empty i{font-size:28px;color:var(--c-ink-3);display:block;margin-bottom:12px}
@media (max-width:1199px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:767px){.news-grid{grid-template-columns:1fr}}

/* ===== FAQ ===== */
.faq-wrap{background:#fff;border-radius:var(--r-lg);border:1px solid var(--c-line);overflow:hidden;box-shadow:var(--sh-1)}
.faq-acc .accordion-item{border:0;border-bottom:1px solid var(--c-line);background:transparent;border-radius:0}
.faq-acc .accordion-item:last-child{border-bottom:0}
.faq-acc .accordion-button{
  background:transparent;box-shadow:none;border-radius:0;padding:22px 24px;
  font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.6;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--c-primary);background:rgba(14,91,70,.03)}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--c-accent);outline-offset:-2px}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;width:28px;height:28px;flex:none;
  display:grid;place-items:center;border-radius:50%;border:1px solid var(--c-line);
  color:var(--c-primary);font-size:16px;line-height:1;font-weight:700;
  transition:background-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::after{
  content:"−";background:var(--c-accent);border-color:transparent;color:var(--c-primary-deep);
  transform:rotate(180deg);
}
.faq-acc .accordion-body{
  background:var(--c-bg);color:var(--c-ink-2);font-size:14.5px;line-height:1.85;
  padding:18px 24px 24px;
}

/* ===== 收尾 CTA ===== */
.cta-band{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:36px 34px;display:flex;align-items:center;justify-content:space-between;gap:26px;
  box-shadow:var(--sh-1);
}
.cta-band h2{font-size:clamp(20px,2.3vw,28px);line-height:1.4;margin-bottom:8px}
.cta-band p{color:var(--c-ink-2);font-size:15px;margin:0}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none}
@media (max-width:767px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:26px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn-lime,.cta-actions .btn-outline{flex:1}
}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-primary-deep);color:#A9BDB3;position:relative;padding:64px 0 0;margin-top:0}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--c-accent),rgba(200,240,78,.15))}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark::after{opacity:.9}
.footer-brand strong{color:#fff;font-size:16px;font-weight:800}
.site-footer p{font-size:14px;line-height:1.85;color:#A9BDB3}
.footer-title{color:#EDF3EF;font-size:14px;font-weight:700;letter-spacing:.06em;margin-bottom:16px}
.footer-links li{margin-bottom:11px}
.footer-links a{color:#A9BDB3;font-size:14px;display:inline-flex;align-items:center;min-height:24px}
.footer-links a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.18);color:#EDF3EF;background:rgba(255,255,255,.05);
  transition:background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.footer-social a:hover{background:var(--c-accent);color:var(--c-primary-deep);border-color:transparent}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:#8AA396;
}
.footer-bottom a{color:#A9BDB3}
.footer-bottom a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: article */
:root{
  --c-primary:#0E5B46;
  --c-primary-deep:#083D2F;
  --c-accent:#C8F04E;
  --c-alert:#E4572E;
  --c-bg:#F5F7F4;
  --c-bg-alt:#FFFFFF;
  --c-ink:#0E1512;
  --c-ink-2:#5A6B63;
  --c-line:#DFE6E0;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --sh-1:0 2px 8px rgba(11,21,18,.06);
  --sh-2:0 12px 30px rgba(11,21,18,.12);
  --sh-3:0 20px 48px rgba(11,21,18,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:104px}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--c-bg);
  color:var(--c-ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.01em;line-height:1.28}
p{margin:0 0 1.2em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.wrap{max-width:1280px}}
@media (max-width:520px){.wrap{padding:0 16px}}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:12px 24px;border-radius:12px;font-weight:600;font-size:15px;border:1.5px solid transparent;cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.btn i{font-size:13px}
.btn-main{background:var(--c-accent);color:var(--c-primary-deep);box-shadow:var(--sh-1)}
.btn-main:hover{filter:brightness(.96);transform:translateY(-2px);box-shadow:var(--sh-2);color:var(--c-primary-deep)}
.btn-main:active{transform:translateY(0)}
.btn-line{border-color:rgba(255,255,255,.6);color:#fff;background:rgba(255,255,255,.04)}
.btn-line:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:#fff}
.btn-outline:hover{background:rgba(14,91,70,.07);color:var(--c-primary);transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:8px 18px;font-size:14px;border-radius:10px}
.btn-block{width:100%}

/* ---------- 导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1040;background:rgba(8,61,47,.52);-webkit-backdrop-filter:blur(16px) saturate(180%);backdrop-filter:blur(16px) saturate(180%);border-bottom:1px solid rgba(255,255,255,.16);box-shadow:0 6px 24px rgba(8,29,22,.18);transition:background-color .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.site-header.is-scrolled{background:rgba(255,255,255,.95);border-bottom-color:var(--c-line);box-shadow:0 10px 30px rgba(11,21,18,.10)}
.nav-inner{display:flex;align-items:center;gap:24px;height:74px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--c-accent);color:var(--c-primary-deep);display:grid;place-items:center;font-size:16px}
.brand-text{font-weight:800;font-size:17px;color:#fff;letter-spacing:-0.01em;transition:color .22s var(--ease)}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-main a{position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;border-radius:10px;color:rgba(255,255,255,.88);font-size:15px;font-weight:600;transition:color .2s var(--ease),background-color .2s var(--ease)}
.nav-main a:hover{color:#fff;background:rgba(255,255,255,.12)}
.nav-main a.is-active{color:#fff}
.nav-main a.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;background:var(--c-accent)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:#fff;display:grid;place-items:center;cursor:pointer;transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.icon-btn:hover{background:rgba(255,255,255,.2)}
.nav-toggle{display:none}
.drawer{display:none;position:absolute;top:100%;left:0;right:0;background:rgba(8,61,47,.97);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.14);box-shadow:var(--sh-2);padding:8px 24px 20px}
.drawer.is-open{display:block}
.drawer a{display:flex;align-items:center;height:52px;color:#EDF3EF;font-size:15.5px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.12)}
.drawer a:last-child{border-bottom:0}
.drawer .btn{margin-top:14px;height:48px;border-bottom:0}
.site-header.is-scrolled .brand-text{color:var(--c-ink)}
.site-header.is-scrolled .nav-main a{color:#33463D}
.site-header.is-scrolled .nav-main a:hover{color:var(--c-primary);background:rgba(14,91,70,.07)}
.site-header.is-scrolled .nav-main a.is-active{color:var(--c-primary)}
.site-header.is-scrolled .icon-btn{color:var(--c-ink);border-color:var(--c-line);background:#fff}
.site-header.is-scrolled .icon-btn:hover{background:#F1F6F2}
@media (max-width:991px){
  .nav-main{display:none}
  .nav-toggle{display:grid}
  .nav-cta-text{display:none}
}

/* ---------- 页面头部 ---------- */
.page-hero{position:relative;overflow:hidden;padding:134px 0 54px;color:#EDF3EF;background:linear-gradient(rgba(8,61,47,.88),rgba(8,61,47,.82)),url('/assets/images/backpic/back-1.png') center/cover no-repeat}
.page-hero::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(18deg,rgba(255,255,255,.045) 0 2px,transparent 2px 14px);pointer-events:none}
.page-hero .wrap{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:#A9BDB3;margin-bottom:22px}
.crumbs a{color:#EDF3EF;border-bottom:1px solid transparent;transition:border-color .2s var(--ease)}
.crumbs a:hover{border-bottom-color:var(--c-accent)}
.crumbs .sep{color:rgba(200,240,78,.7)}
.crumbs .crumb-current{max-width:400px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#C6D8CF}
@media (max-width:640px){.crumbs .crumb-current{max-width:180px}}
.badge-cat{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;background:rgba(200,240,78,.16);color:var(--c-accent);border:1px solid rgba(200,240,78,.38);font-size:12.5px;font-weight:600;letter-spacing:.04em}
.article-title{font-size:clamp(28px,3.8vw,44px);line-height:1.2;font-weight:800;color:#fff;max-width:920px;margin:16px 0 18px}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:13.5px;color:#A9BDB3}
.meta-row span{display:inline-flex;align-items:center;gap:7px}
.meta-row i{color:var(--c-accent);font-size:12.5px}

/* ---------- 正文布局 ---------- */
.article-section{padding:52px 0 76px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:28px;align-items:start}
@media (min-width:992px){.article-layout{grid-template-columns:minmax(0,1fr) 330px;gap:40px}}
.panel{background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1)}
.article-card{padding:34px 36px 40px}
@media (max-width:768px){.article-card{padding:22px 18px 28px}}
.article-cover{border-radius:var(--r-md);overflow:hidden;border:1px solid rgba(0,0,0,.06);margin-bottom:26px}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-lead{font-size:16px;line-height:1.85;color:#33443C;background:#F1F6F2;border-left:4px solid var(--c-primary);border-radius:0 var(--r-sm) var(--r-sm) 0;padding:18px 22px;margin-bottom:34px}

.article-content{font-size:16.5px;line-height:1.85;color:#22302A;word-wrap:break-word}
.article-content h2{position:relative;font-size:clamp(21px,2.2vw,26px);line-height:1.35;margin:1.9em 0 .75em;padding-left:14px;color:#0E1512}
.article-content h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--c-accent)}
.article-content h3{font-size:19px;line-height:1.45;margin:1.6em 0 .6em;color:#12301F}
.article-content h4{font-size:16.5px;margin:1.4em 0 .5em}
.article-content p{margin:0 0 1.2em}
.article-content ul,.article-content ol{padding-left:1.3em;margin:0 0 1.2em}
.article-content ul{list-style:none;padding-left:0}
.article-content ul>li{position:relative;padding-left:20px;margin-bottom:.5em}
.article-content ul>li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--c-primary);opacity:.55}
.article-content ol{list-style:decimal}
.article-content ol>li{margin-bottom:.5em;padding-left:4px}
.article-content blockquote{margin:1.6em 0;padding:16px 22px;background:#EEF5F0;border-left:4px solid var(--c-primary);border-radius:0 var(--r-sm) var(--r-sm) 0;color:#2B3B33}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:var(--r-md);border:1px solid rgba(0,0,0,.06);margin:1.4em auto;height:auto}
.article-content figure{margin:1.6em 0}
.article-content figcaption{text-align:center;font-size:13.5px;color:var(--c-ink-2);margin-top:10px}
.article-content a{color:var(--c-primary);border-bottom:1px solid rgba(14,91,70,.32)}
.article-content a:hover{border-bottom-color:var(--c-accent)}
.article-content table{width:100%;border-collapse:collapse;font-size:15px;margin:1.4em 0;font-variant-numeric:tabular-nums}
.article-content table th,.article-content table td{border:1px solid var(--c-line);padding:10px 12px;text-align:left}
.article-content table th{background:#F1F6F2;color:#12301F}
.article-content hr{border:0;border-top:1px solid var(--c-line);margin:2.2em 0}
.article-content code{background:#EFF4EF;border-radius:6px;padding:2px 6px;font-size:14.5px}

.empty-state{text-align:center;padding:64px 20px}
.empty-state .empty-icon{width:62px;height:62px;margin:0 auto 18px;border-radius:18px;background:#EFF4EF;display:grid;place-items:center;color:#7E968A;font-size:24px}
.empty-state h2{font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--c-ink-2);font-size:14.5px;margin-bottom:20px}

.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:38px;padding-top:26px;border-top:1px solid var(--c-line)}
.tag-row .tag-label{font-size:13px;color:var(--c-ink-2);margin-right:2px}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;background:#EFF4EF;border:1px solid var(--c-line);font-size:13px;color:#2F4A3F;transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.tag:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff}

.pager-row{display:grid;gap:16px;margin-top:26px}
@media (min-width:768px){.pager-row{grid-template-columns:1fr 1fr}}
.pager-card{display:flex;flex-direction:column;gap:8px;padding:18px 20px;border:1px solid var(--c-line);border-radius:var(--r-md);background:#fff;box-shadow:var(--sh-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.pager-card:hover{transform:translateY(-3px);border-color:rgba(200,240,78,.9);box-shadow:var(--sh-2)}
.pager-card .pager-label{font-size:12.5px;letter-spacing:.06em;color:var(--c-ink-2)}
.pager-card strong{font-size:15.5px;font-weight:700;color:var(--c-ink);line-height:1.5}
.pager-card.next{text-align:right;align-items:flex-end}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:20px;min-width:0}
@media (min-width:992px){.article-side{position:sticky;top:98px}}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1)}
.side-title{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;margin-bottom:14px;color:var(--c-ink)}
.side-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--c-accent)}
.toc-list{max-height:352px;overflow-y:auto}
.toc-list li a{display:block;padding:8px 10px;border-radius:8px;border-left:2px solid transparent;font-size:14px;line-height:1.55;color:var(--c-ink-2);transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.toc-list li.toc-sub a{padding-left:22px;font-size:13.5px}
.toc-list li a:hover{background:#F1F6F2;color:var(--c-primary)}
.toc-list li a.is-current{background:#EFF6F1;border-left-color:var(--c-accent);color:var(--c-primary);font-weight:600}
.rel-list li+li{margin-top:10px}
.rel-item{display:flex;gap:12px;align-items:flex-start;padding:8px;border-radius:10px;transition:background-color .2s var(--ease)}
.rel-item:hover{background:#F3F7F4}
.rel-item img{width:76px;height:52px;object-fit:cover;border-radius:8px;flex:0 0 auto;border:1px solid rgba(0,0,0,.05)}
.rel-item span{font-size:14px;line-height:1.55;color:#2A3A32}
.rel-item:hover span{color:var(--c-primary)}
.side-card .btn{margin-top:16px}

/* ---------- 内容板块 ---------- */
.section{padding:68px 0}
.section-tight{padding:8px 0 72px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:32px}
.section-head h2{font-size:clamp(22px,2.6vw,30px)}
.section-head p{margin:10px 0 0;font-size:14.5px;color:var(--c-ink-2)}
.rel-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:768px){.rel-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1200px){.rel-grid{grid-template-columns:repeat(3,1fr)}}
.post-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.post-card:hover{transform:translateY(-4px);border-color:rgba(200,240,78,.85);box-shadow:var(--sh-2)}
.post-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#E9EFE9}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s var(--ease)}
.post-card:hover .thumb img{transform:scale(1.03)}
.post-card .body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1}
.post-card .chip{align-self:flex-start;display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:#EAF3EC;color:#1C5B45;font-size:12.5px;font-weight:600}
.post-card h3{font-size:17px;line-height:1.5}
.post-card h3 a:hover{color:var(--c-primary)}
.post-card p{margin:0;font-size:14.5px;line-height:1.75;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-card .meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--c-line);display:flex;gap:14px;align-items:center;font-size:12.5px;color:#87998F;font-variant-numeric:tabular-nums}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:46px 44px;color:#EDF3EF;background:linear-gradient(rgba(8,61,47,.92),rgba(8,61,47,.9)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;box-shadow:var(--sh-2)}
.cta-band h2{font-size:clamp(20px,2.5vw,28px);color:#fff}
.cta-band p{margin:10px 0 0;font-size:14.5px;color:#A9BDB3;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:640px){.cta-band{padding:30px 22px}.cta-actions{width:100%}.cta-actions .btn{width:100%}}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;margin-top:20px;padding:64px 0 28px;background:var(--c-primary-deep);color:#A9BDB3}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--c-accent),rgba(200,240,78,.12))}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:11px;background:var(--c-accent);color:var(--c-primary-deep);display:grid;place-items:center;font-size:15px}
.site-footer p{font-size:14px;line-height:1.8;margin:0}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:#A9BDB3;border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.footer-links a:hover{color:#fff;border-bottom-color:var(--c-accent)}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);color:#EDF3EF;transition:background-color .2s var(--ease),color .2s var(--ease)}
.footer-social a:hover{background:var(--c-accent);color:var(--c-primary-deep)}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;font-size:12.5px;color:#8AA396}

/* roulang page: category1 */
:root{
  --c-primary:#0E5B46;
  --c-primary-deep:#083D2F;
  --c-accent:#C8F04E;
  --c-alert:#E4572E;
  --c-bg:#F5F7F4;
  --c-bg-alt:#FFFFFF;
  --c-ink:#0E1512;
  --c-ink-2:#5A6B63;
  --c-line:#DFE6E0;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --sh-1:0 2px 8px rgba(11,21,18,.06);
  --sh-2:0 12px 30px rgba(11,21,18,.12);
  --sh-3:0 20px 48px rgba(11,21,18,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.wrap{max-width:1280px}}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{margin-bottom:32px;max-width:760px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.08em;font-weight:700;color:var(--c-primary);text-transform:uppercase;background:rgba(14,91,70,.08);padding:6px 12px;border-radius:999px;margin-bottom:14px}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:14px;color:var(--c-ink-2)}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:14px 26px;font-weight:600;font-size:15px;line-height:1.2;border:1.5px solid transparent;cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);min-height:48px}
.btn i{transition:transform .2s var(--ease)}
.btn-accent{background:var(--c-accent);color:var(--c-primary-deep);box-shadow:var(--sh-1)}
.btn-accent:hover{filter:brightness(.96);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-accent:hover i{transform:translateX(2px)}
.btn-accent:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:rgba(14,91,70,.4);color:var(--c-primary)}
.btn-ghost:hover{background:rgba(14,91,70,.08);transform:translateY(-2px)}
.btn-glass{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.25)}
.btn-glass:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-sm{min-height:42px;padding:10px 18px;font-size:14px;border-radius:999px}
.site-header{position:fixed;top:0;left:0;right:0;z-index:1040;background:rgba(255,255,255,.10);backdrop-filter:blur(16px) saturate(180%);-webkit-backdrop-filter:blur(16px) saturate(180%);border-bottom:1px solid rgba(255,255,255,.18);box-shadow:0 4px 24px rgba(8,61,47,.10);transition:background .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.site-header.is-scrolled{background:rgba(255,255,255,.94);border-bottom-color:var(--c-line);box-shadow:0 8px 26px rgba(11,21,18,.10)}
.header-inner{display:flex;align-items:center;height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.01em;color:#fff;white-space:nowrap;transition:color .22s var(--ease)}
.site-header.is-scrolled .brand{color:var(--c-ink)}
.brand-mark{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;background:var(--c-accent);color:var(--c-primary-deep);font-size:15px;flex:0 0 auto}
.nav-main{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-main a{position:relative;padding:10px 16px;font-size:15px;font-weight:600;color:rgba(255,255,255,.88);border-radius:999px;transition:color .2s var(--ease),background-color .2s var(--ease)}
.nav-main a:hover{background:rgba(255,255,255,.14);color:#fff}
.site-header.is-scrolled .nav-main a{color:var(--c-ink-2)}
.site-header.is-scrolled .nav-main a:hover{background:rgba(14,91,70,.08);color:var(--c-primary)}
.nav-main a.is-active{color:#fff}
.site-header.is-scrolled .nav-main a.is-active{color:var(--c-primary)}
.nav-main a.is-active::after{content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;border-radius:2px;background:var(--c-accent)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);color:#fff;cursor:pointer;transition:background-color .2s var(--ease),transform .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.icon-btn:hover{background:rgba(255,255,255,.22);transform:translateY(-2px)}
.site-header.is-scrolled .icon-btn{background:rgba(14,91,70,.06);border-color:var(--c-line);color:var(--c-primary)}
.menu-toggle{display:none}
.search-panel{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);border-top:0 solid transparent}
.search-panel.is-open{max-height:120px;border-top:1px solid rgba(255,255,255,.2)}
.site-header.is-scrolled .search-panel.is-open{border-top-color:var(--c-line)}
.search-form{display:flex;align-items:center;gap:12px;padding:14px 0 18px;color:#fff}
.site-header.is-scrolled .search-form{color:var(--c-ink-2)}
.search-form i{font-size:15px}
.search-form input{flex:1;height:48px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.14);padding:0 16px;color:#fff;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease)}
.search-form input::placeholder{color:rgba(255,255,255,.7)}
.site-header.is-scrolled .search-form input{background:#fff;border-color:var(--c-line);color:var(--c-ink)}
.site-header.is-scrolled .search-form input::placeholder{color:var(--c-ink-2)}
.search-form input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(200,240,78,.28)}
.drawer{position:fixed;top:72px;left:0;right:0;background:rgba(8,61,47,.97);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transform:translateY(-12px);opacity:0;pointer-events:none;transition:opacity .22s var(--ease),transform .22s var(--ease);box-shadow:var(--sh-2);border-bottom:3px solid var(--c-accent);z-index:1039}
.drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
.drawer-nav{display:flex;flex-direction:column;padding:8px 24px 20px}
.drawer-nav a{padding:14px 4px;line-height:52px;padding:0 4px;min-height:52px;display:flex;align-items:center;color:#EDF3EF;font-weight:600;border-bottom:1px solid rgba(255,255,255,.12)}
.drawer-nav a:last-child{border-bottom:0}
.drawer-nav a.is-active{color:var(--c-accent)}
.hero-cat{position:relative;padding:152px 0 78px;color:#EDF3EF;background-image:linear-gradient(180deg,rgba(8,61,47,.88),rgba(8,61,47,.74)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;overflow:hidden}
.hero-cat::after{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(18deg,rgba(255,255,255,.05) 0 2px,transparent 2px 16px);pointer-events:none}
.hero-cat .wrap{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:#A9BDB3;margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:#EDF3EF;transition:color .2s var(--ease)}
.crumb a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px}
.crumb i{font-size:10px;color:#7E9A8D}
.hero-cat h1{font-size:clamp(30px,4.4vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.01em;max-width:900px}
.hero-cat .hero-sub{margin-top:20px;max-width:660px;color:#C6D8CE;font-size:17px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:44px;max-width:720px}
.stat-block{background:rgba(3,28,21,.5);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-md);padding:18px 20px;box-shadow:inset 0 1px 0 rgba(255,255,255,.12)}
.stat-block .label{font-size:12.5px;letter-spacing:.05em;color:#A9BDB3;text-transform:uppercase}
.stat-block .value{margin-top:6px;font-size:26px;font-weight:800;color:var(--c-accent);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.stat-block .value small{font-size:14px;font-weight:600;margin-left:4px;color:#EDF3EF}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:28px}
.chip{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;border-radius:999px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);font-size:14.5px;font-weight:600;cursor:pointer;transition:all .2s var(--ease);box-shadow:var(--sh-1)}
.chip:hover{border-color:rgba(14,91,70,.45);color:var(--c-primary);transform:translateY(-2px)}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(14,91,70,.22)}
.filter-note{margin-left:auto;font-size:13.5px;color:var(--c-ink-2)}
.feature-card{display:grid;grid-template-columns:1fr 1fr;background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);margin-bottom:24px}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(200,240,78,.55)}
.feature-card .thumb{position:relative;overflow:hidden;min-height:320px}
.feature-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s var(--ease)}
.feature-card:hover .thumb img{transform:scale(1.03)}
.feature-card .body{padding:36px 38px;display:flex;flex-direction:column;justify-content:center;gap:16px}
.feature-card h3{font-size:clamp(20px,2.2vw,28px);line-height:1.35;font-weight:700}
.feature-card p{color:var(--c-ink-2);line-height:1.85}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.02em;background:rgba(14,91,70,.10);color:var(--c-primary)}
.badge-alert{background:rgba(228,87,46,.12);color:var(--c-alert)}
.meta-row{display:flex;align-items:center;gap:16px;font-size:13.5px;color:var(--c-ink-2);flex-wrap:wrap;margin-top:auto}
.meta-row time{font-variant-numeric:tabular-nums}
.meta-row span{display:inline-flex;align-items:center;gap:6px}
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.news-card{display:flex;flex-direction:column;background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);height:100%}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(200,240,78,.55)}
.news-card .cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E9EFEA}
.news-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .25s var(--ease)}
.news-card:hover .cover img{transform:scale(1.03)}
.news-card .cover .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:var(--c-primary);box-shadow:var(--sh-1)}
.news-card .card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-card h3{font-size:18px;line-height:1.5;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{color:var(--c-ink-2);font-size:14.5px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.pager-block{margin-top:40px;display:flex;flex-direction:column;gap:20px;align-items:center}
.pager{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.pager a,.pager span{min-width:44px;height:44px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);font-weight:600;font-size:14.5px;font-variant-numeric:tabular-nums;transition:all .2s var(--ease);box-shadow:var(--sh-1)}
.pager a:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
.pager .is-current{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-primary-deep)}
.pager .is-disabled{opacity:.45;pointer-events:none}
.board{position:relative;color:#EDF3EF;background-image:linear-gradient(180deg,rgba(8,61,47,.92),rgba(8,61,47,.88)),url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;border-radius:var(--r-xl);padding:48px;overflow:hidden;box-shadow:var(--sh-2)}
.board h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;max-width:620px}
.board .lead{margin-top:16px;color:#C6D8CE;max-width:640px;line-height:1.85}
.board-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:36px}
.board-cell{background:rgba(3,28,21,.45);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-md);padding:20px;box-shadow:inset 0 1px 0 rgba(255,255,255,.12)}
.board-cell .k{font-size:12.5px;color:#A9BDB3;letter-spacing:.05em}
.board-cell .v{margin-top:8px;font-size:24px;font-weight:800;color:var(--c-accent);font-variant-numeric:tabular-nums}
.board-cell .d{margin-top:8px;font-size:13.5px;color:#C6D8CE;line-height:1.7}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:stretch}
.scene-main{background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.scene-main:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.scene-main img{aspect-ratio:16/9;object-fit:cover;width:100%}
.scene-main .pad{padding:28px 30px 32px}
.scene-main h3{font-size:21px;font-weight:700;margin-bottom:12px}
.scene-main p{color:var(--c-ink-2);line-height:1.85}
.scene-side{display:flex;flex-direction:column;gap:24px}
.scene-item{background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px 28px;box-shadow:var(--sh-1);flex:1;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.scene-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(200,240,78,.55)}
.scene-item .ico{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:rgba(14,91,70,.10);color:var(--c-primary);font-size:17px;margin-bottom:16px}
.scene-item h3{font-size:18px;font-weight:700;margin-bottom:10px}
.scene-item p{color:var(--c-ink-2);font-size:14.5px;line-height:1.85}
.faq-wrap{max-width:900px;margin:0 auto}
.faq-acc{border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;background:var(--c-bg-alt);box-shadow:var(--sh-1)}
.faq-acc .accordion-item{border:0;border-bottom:1px solid var(--c-line);background:transparent}
.faq-acc .accordion-item:last-child{border-bottom:0}
.faq-acc .accordion-button{background:transparent;color:var(--c-ink);font-weight:600;font-size:16px;line-height:1.6;padding:22px 26px;box-shadow:none;display:flex;align-items:center;gap:12px}
.faq-acc .accordion-button:not(.collapsed){color:var(--c-primary);background:transparent}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-acc .accordion-button::after{display:none}
.faq-acc .faq-icon{margin-left:auto;width:30px;height:30px;flex:0 0 auto;border-radius:50%;background:rgba(14,91,70,.10);color:var(--c-primary);display:grid;place-items:center;font-size:12px;transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease)}
.faq-acc .accordion-button:not(.collapsed) .faq-icon{background:var(--c-accent);color:var(--c-primary-deep);transform:rotate(45deg)}
.faq-acc .accordion-body{padding:0 26px 24px;background:transparent;color:var(--c-ink-2);line-height:1.85}
.cta-band{position:relative;border-radius:var(--r-xl);overflow:hidden;background:var(--c-primary-deep);color:#EDF3EF;padding:44px 48px;display:flex;align-items:center;gap:32px;justify-content:space-between;box-shadow:var(--sh-2)}
.cta-band::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--c-accent),rgba(200,240,78,0))}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700}
.cta-band p{margin-top:12px;color:#C6D8CE;max-width:560px}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}
.site-footer{background:var(--c-primary-deep);color:#EDF3EF;margin-top:88px;position:relative;padding:64px 0 0;border-top:3px solid transparent;border-image:linear-gradient(90deg,var(--c-accent),rgba(200,240,78,0)) 1}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;margin-bottom:16px}
.site-footer p{color:#A9BDB3;font-size:14.5px;line-height:1.85}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;border:1px solid rgba(255,255,255,.2);color:#EDF3EF;transition:all .2s var(--ease)}
.footer-social a:hover{background:var(--c-accent);color:var(--c-primary-deep);border-color:var(--c-accent);transform:translateY(-2px)}
.footer-title{font-size:14px;font-weight:700;letter-spacing:.05em;color:#fff;margin-bottom:18px}
.footer-links li{margin-bottom:12px}
.footer-links a{color:#A9BDB3;font-size:14.5px;transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8AA396}
@media (max-width:1199px){
  .board-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  .nav-main{display:none}
  .menu-toggle{display:grid}
  .section{padding:64px 0}
  .hero-cat{padding:128px 0 64px}
  .feature-card{grid-template-columns:1fr}
  .feature-card .thumb{min-height:240px}
  .feature-card .body{padding:28px}
  .card-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .board{padding:34px 28px;border-radius:var(--r-lg)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:575px){
  .wrap{padding:0 16px}
  .section{padding:56px 0}
  .header-inner{height:64px}
  .brand{font-size:15.5px}
  .brand-mark{width:32px;height:32px;font-size:14px}
  .drawer{top:64px}
  .hero-stats{grid-template-columns:1fr;gap:12px}
  .hero-actions .btn{width:100%}
  .board-grid{grid-template-columns:1fr}
  .filter-note{margin-left:0;width:100%}
  .chip{height:42px;padding:0 16px;font-size:14px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --c-primary:#0E5B46;
  --c-primary-deep:#083D2F;
  --c-accent:#C8F04E;
  --c-alert:#E4572E;
  --c-bg:#F5F7F4;
  --c-bg-alt:#FFFFFF;
  --c-ink:#0E1512;
  --c-ink-2:#5A6B63;
  --c-line:#DFE6E0;
  --c-on-dark:#EDF3EF;
  --c-on-dark-2:#A9BDB3;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --sh-1:0 2px 8px rgba(11,21,18,.06);
  --sh-2:0 12px 30px rgba(11,21,18,.12);
  --sh-3:0 20px 48px rgba(11,21,18,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sec-gap:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:104px}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-primary-deep)}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em;color:var(--c-ink)}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.15;font-weight:800}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700}
h3{font-size:21px;line-height:1.4;font-weight:700}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
dl,dd,dt{margin:0}
button,input,textarea,select{font-family:inherit;font-size:inherit}
*:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.container-xl{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container-xl{max-width:1280px}}

/* ============ 导航 ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1030;padding:14px 0;transition:padding .22s var(--ease),background .22s var(--ease)}
.nav-shell{
  display:flex;align-items:center;gap:20px;
  height:64px;padding:0 12px 0 18px;
  border-radius:999px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);
  backdrop-filter:blur(16px) saturate(180%);
  -webkit-backdrop-filter:blur(16px) saturate(180%);
  box-shadow:0 6px 20px rgba(8,61,47,.14);
  transition:background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-accent);color:var(--c-primary-deep);font-size:17px;
}
.brand-text{font-size:17px;font-weight:800;color:#fff;letter-spacing:.01em;white-space:nowrap;transition:color .22s var(--ease)}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-main a{
  position:relative;display:inline-flex;align-items:center;
  min-height:44px;padding:0 16px;border-radius:999px;
  font-size:15px;font-weight:600;color:rgba(255,255,255,.88);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-main a:hover{color:#fff;background:rgba(255,255,255,.12)}
.nav-main a.is-active{color:#fff}
.nav-main a.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:6px;height:2px;
  border-radius:2px;background:var(--c-accent);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.drawer-toggle{
  display:none;width:44px;height:44px;border-radius:999px;border:1px solid rgba(255,255,255,.3);
  background:rgba(255,255,255,.12);color:#fff;font-size:18px;align-items:center;justify-content:center;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.site-header.is-scrolled{padding:8px 0}
.site-header.is-scrolled .nav-shell{
  background:rgba(255,255,255,.94);
  border-color:var(--c-line);
  box-shadow:var(--sh-2);
}
.site-header.is-scrolled .brand-text{color:var(--c-ink)}
.site-header.is-scrolled .nav-main a{color:var(--c-ink-2)}
.site-header.is-scrolled .nav-main a:hover{color:var(--c-primary);background:rgba(14,91,70,.07)}
.site-header.is-scrolled .nav-main a.is-active{color:var(--c-primary)}
.site-header.is-scrolled .drawer-toggle{border-color:var(--c-line);background:rgba(14,91,70,.06);color:var(--c-primary)}

/* 抽屉 */
.nav-drawer{
  width:308px;background:rgba(255,255,255,.94)!important;
  backdrop-filter:blur(16px) saturate(180%);-webkit-backdrop-filter:blur(16px) saturate(180%);
  border-left:1px solid var(--c-line)!important;
}
.drawer-head{display:flex;align-items:center;gap:10px;padding:20px 20px 16px;border-bottom:1px solid var(--c-line)}
.drawer-head .brand-text{color:var(--c-ink)}
.nav-drawer .offcanvas-body{padding:8px 0 24px}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 22px;font-size:16px;font-weight:600;
  color:var(--c-ink);border-bottom:1px solid var(--c-line);
}
.drawer-links a.is-active{color:var(--c-primary);box-shadow:inset 3px 0 0 var(--c-accent)}
.drawer-links a i{font-size:13px;color:var(--c-ink-2)}
.drawer-cta{padding:20px 22px 0}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:13px 26px;border-radius:12px;
  font-size:15px;font-weight:600;line-height:1.2;border:1.5px solid transparent;
  cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),filter .2s var(--ease),color .2s var(--ease);
}
.btn i{transition:transform .2s var(--ease)}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-accent{background:var(--c-accent);color:var(--c-primary-deep);box-shadow:0 4px 14px rgba(200,240,78,.28)}
.btn-accent:hover{filter:brightness(.95);box-shadow:var(--sh-2);color:var(--c-primary-deep)}
.btn-accent:hover i.fa-arrow-right,.btn-accent:hover i.fa-chevron-right{transform:translateX(2px)}
.btn-outline-light{border-color:rgba(255,255,255,.6);color:#fff;background:rgba(255,255,255,.06)}
.btn-outline-light:hover{background:rgba(255,255,255,.16);color:#fff}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-outline:hover{background:rgba(14,91,70,.08);color:var(--c-primary-deep)}
.btn-pill{border-radius:999px}
.btn-sm{min-height:42px;padding:9px 20px;font-size:14px}
.btn-block{width:100%}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--c-primary-deep);padding:150px 0 78px;color:var(--c-on-dark)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.5}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,61,47,.88) 0%,rgba(8,61,47,.72) 58%,rgba(8,61,47,.86) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:880px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--c-on-dark-2);margin-bottom:20px}
.crumbs a{color:var(--c-on-dark-2)}
.crumbs a:hover{color:var(--c-accent)}
.crumbs i{font-size:10px;opacity:.7}
.crumbs .current{color:var(--c-on-dark)}
.hero h1{color:#fff;margin-bottom:18px}
.hero-sub{font-size:clamp(16px,1.4vw,18px);line-height:1.8;color:#D7E4DC;max-width:720px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero-facts{display:flex;flex-wrap:wrap;gap:14px}
.hero-facts li{
  min-width:172px;flex:1 1 172px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-md);
  padding:16px 18px;
}
.fact-num{display:block;font-size:24px;font-weight:800;color:var(--c-accent);letter-spacing:.02em;font-variant-numeric:tabular-nums}
.fact-label{display:block;font-size:13px;color:var(--c-on-dark-2);margin-top:4px;letter-spacing:.02em}

/* ============ 主体布局 ============ */
.page-body{padding:72px 0 96px}
.doc-layout{display:grid;grid-template-columns:266px minmax(0,1fr);gap:44px;align-items:start}
.anchor-nav{
  position:sticky;top:104px;
  background:var(--c-bg-alt);border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:18px 14px;box-shadow:var(--sh-1);
}
.anchor-title{font-size:12.5px;letter-spacing:.08em;color:var(--c-ink-2);font-weight:700;padding:0 12px;margin-bottom:10px}
.anchor-nav a{
  display:block;padding:11px 12px;font-size:15px;font-weight:600;color:var(--c-ink-2);
  border-left:3px solid transparent;border-radius:0 10px 10px 0;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.anchor-nav a:hover{color:var(--c-primary);background:rgba(14,91,70,.05)}
.anchor-nav a.is-current{border-left-color:var(--c-accent);color:var(--c-primary);background:rgba(14,91,70,.07)}

.doc-body{min-width:0}
.doc-section{padding-bottom:var(--sec-gap)}
.doc-section:last-child{padding-bottom:0}
.sec-title{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.sec-title::before{content:"";width:6px;height:28px;border-radius:3px;background:var(--c-accent);flex:0 0 auto}
.sec-desc{color:var(--c-ink-2);font-size:15.5px;line-height:1.85;max-width:820px;margin-bottom:28px}

/* 下载卡片 */
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.dl-card{
  display:flex;flex-direction:column;
  background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(200,240,78,.75)}
.dl-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.dl-icon{
  width:44px;height:44px;border-radius:13px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(14,91,70,.09);color:var(--c-primary);font-size:20px;
}
.dl-head h3{font-size:19px}
.dl-meta{display:flex;flex-direction:column;gap:0;margin-bottom:22px;flex:1 1 auto}
.dl-meta > div{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed var(--c-line);font-size:14px}
.dl-meta > div:last-child{border-bottom:0}
.dl-meta dt{color:var(--c-ink-2)}
.dl-meta dd{font-weight:600;color:var(--c-ink);font-variant-numeric:tabular-nums}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;height:25px;padding:0 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:rgba(14,91,70,.09);color:var(--c-primary);
}
.badge-accent{background:rgba(228,87,46,.12);color:#B8401D}

/* 预览图 */
.preview{margin:32px 0 0;background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.preview img{width:100%;aspect-ratio:16/9;object-fit:cover}
.preview figcaption{padding:16px 22px;font-size:14px;color:var(--c-ink-2);border-top:1px solid var(--c-line);background:var(--c-bg)}

/* 步骤时间轴 */
.steps{position:relative;margin-top:8px}
.steps li{position:relative;display:flex;gap:20px;padding-bottom:30px}
.steps li:last-child{padding-bottom:0}
.steps li::before{
  content:"";position:absolute;left:21px;top:46px;bottom:2px;width:2px;background:var(--c-line);
}
.steps li:last-child::before{display:none}
.step-num{
  position:relative;z-index:1;flex:0 0 auto;
  width:44px;height:44px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-deep);color:var(--c-accent);
  font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;
}
.step-body{background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--r-md);padding:18px 22px;box-shadow:var(--sh-1);flex:1 1 auto}
.step-body h3{font-size:18px;margin-bottom:8px}
.step-body p{color:var(--c-ink-2);font-size:15px;margin:0}

/* 系统要求 */
.req-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.req-card{background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1)}
.req-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.req-head h3{font-size:18px}
.req-icon{
  width:40px;height:40px;border-radius:12px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(14,91,70,.09);color:var(--c-primary);font-size:18px;
}
.req-list{display:flex;flex-direction:column}
.req-list > div{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px solid var(--c-line);font-size:14.5px}
.req-list > div:last-child{border-bottom:0;padding-bottom:0}
.req-list dt{color:var(--c-ink-2);flex:0 0 auto}
.req-list dd{text-align:right;font-weight:600;font-variant-numeric:tabular-nums}

/* FAQ */
.faq{border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;background:var(--c-bg-alt);box-shadow:var(--sh-1)}
.faq .accordion-item{border:0;border-bottom:1px solid var(--c-line);background:transparent}
.faq .accordion-item:last-child{border-bottom:0}
.faq .accordion-button{
  background:transparent;color:var(--c-ink);font-size:16px;font-weight:600;line-height:1.6;
  padding:20px 22px;box-shadow:none;border-radius:0;gap:14px;
}
.faq .accordion-button:not(.collapsed){color:var(--c-primary);background:rgba(14,91,70,.05)}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--c-accent);outline-offset:-4px}
.faq .accordion-button::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  background-image:none;width:30px;height:30px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;margin-left:auto;
  border-radius:50%;background:rgba(14,91,70,.09);color:var(--c-primary);font-size:12px;
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{content:"\f068";transform:rotate(180deg);background:var(--c-primary);color:#fff}
.faq .accordion-body{padding:18px 22px 24px;background:var(--c-bg);color:var(--c-ink-2);font-size:15px;line-height:1.85}

/* 表单 */
.fb-wrap{max-width:660px;margin:0 auto}
.fb-form{background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-1)}
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--c-ink)}
.field .req-mark{color:var(--c-alert);margin-left:4px}
.control{
  width:100%;height:48px;border-radius:var(--r-sm);border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink);padding:0 14px;font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
textarea.control{height:auto;min-height:136px;padding:12px 14px;line-height:1.75;resize:vertical}
.control::placeholder{color:#9BAAA2}
.control:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(200,240,78,.45)}
.field .field-msg{font-size:13px;color:var(--c-alert);margin:7px 0 0;display:none}
.field.is-error .control{border-color:var(--c-alert)}
.field.is-error .field-msg{display:block}
.field.is-ok .control{border-color:var(--c-primary)}
.field-note{font-size:13px;color:var(--c-ink-2);margin-top:8px}
.file-drop{
  display:flex;align-items:center;gap:10px;
  border:1px dashed var(--c-line);border-radius:var(--r-sm);
  padding:14px 16px;background:var(--c-bg);font-size:14px;color:var(--c-ink-2);
}
.file-drop input[type="file"]{font-size:13.5px;color:var(--c-ink-2);border:0;background:transparent}
.form-done{
  display:none;margin-top:20px;padding:16px 18px;border-radius:var(--r-sm);
  background:rgba(14,91,70,.08);border:1px solid rgba(14,91,70,.22);
  color:var(--c-primary);font-size:14.5px;font-weight:600;
}
.form-done.is-show{display:block}

/* CTA 条 */
.cta-band{background:var(--c-bg-alt);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:56px 0}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:8px}
.cta-inner p{color:var(--c-ink-2);font-size:15.5px;max-width:620px;margin:0}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary-deep);color:var(--c-on-dark-2);padding:0 0 28px;position:relative}
.site-footer::before{content:"";display:block;height:3px;background:linear-gradient(90deg,var(--c-accent),rgba(200,240,78,.15))}
.site-footer .wrap{max-width:1200px;margin:0 auto;padding:56px 24px 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{background:var(--c-accent);color:var(--c-primary-deep)}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800}
.site-footer p{font-size:14px;line-height:1.85;color:var(--c-on-dark-2);max-width:340px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:42px;height:42px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:var(--c-on-dark);
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.footer-social a:hover{background:var(--c-accent);color:var(--c-primary-deep);transform:translateY(-2px)}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-links li{margin-bottom:11px}
.footer-links a{color:var(--c-on-dark-2);font-size:14px;position:relative}
.footer-links a:hover{color:var(--c-accent)}
.footer-links a:hover::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:var(--c-accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  border-top:1px solid rgba(255,255,255,.13);padding-top:22px;
  font-size:12.5px;color:#8AA396;
}

/* ============ 响应式 ============ */
@media (max-width:1399.98px){
  .container-xl{max-width:1200px}
}
@media (max-width:1199.98px){
  :root{--sec-gap:72px}
  .dl-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991.98px){
  :root{--sec-gap:64px}
  .nav-main{display:none}
  .drawer-toggle{display:inline-flex}
  .nav-actions .btn-accent{display:none}
  .site-header{padding:10px 0}
  .nav-shell{height:58px;padding:0 10px 0 14px}
  .hero{padding:126px 0 62px}
  .page-body{padding:52px 0 72px}
  .doc-layout{grid-template-columns:1fr;gap:26px}
  .anchor-nav{position:static;padding:12px;box-shadow:var(--sh-1)}
  .anchor-title{padding:0 4px 8px}
  .anchor-nav ul{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 6px;scrollbar-width:thin}
  .anchor-nav ul li{flex:0 0 auto}
  .anchor-nav a{white-space:nowrap;border:1px solid var(--c-line);border-left-width:1px;border-radius:999px;padding:9px 15px;font-size:14px}
  .anchor-nav a.is-current{border-color:var(--c-primary);background:var(--c-primary);color:#fff}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  :root{--sec-gap:56px}
  body{font-size:15.5px}
  .hero-facts li{flex:1 1 100%;min-width:0}
  .dl-grid{grid-template-columns:1fr}
  .req-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .fb-form{padding:24px 20px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-inner .btn{width:100%}
  .steps li{gap:14px}
  .step-body{padding:16px 18px}
}
@media (max-width:575.98px){
  .container-xl{padding:0 16px}
  .brand-text{font-size:15.5px}
  .nav-shell{gap:10px}
  .hero{padding:116px 0 54px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:6px}
  .preview figcaption{padding:14px 16px}
}