/* roulang page: index */
:root{
  --deep:#0B3D2E;
  --deep-2:#0F5138;
  --orange:#FF6B35;
  --cyan:#12B886;
  --lime:#D9FF6B;
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --dark:#111513;
  --ink:#12211C;
  --muted:#5C6B64;
  --line:rgba(11,61,46,.10);
  --line-strong:rgba(11,61,46,.20);
  --radius-xl:30px;
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-sm:0 4px 16px rgba(11,61,46,.06);
  --shadow-md:0 12px 32px rgba(11,61,46,.09);
  --shadow-lg:0 26px 64px rgba(11,61,46,.16);
  --grad:linear-gradient(135deg,#0B3D2E 0%,#12B886 58%,#D9FF6B 100%);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  font-weight:400;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--deep);line-height:1.24;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:8px}
::selection{background:var(--lime);color:#123A22}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:92px 0}
.section--tight{padding:64px 0}
.section--dark{background:var(--dark);color:#E7F1EC}
.section--dark h2,.section--dark h3{color:#fff}
.section--sand{background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%)}

.section-head{max-width:780px;margin-bottom:46px}
.section-head h2{margin:16px 0 14px;font-size:clamp(1.5rem,2.6vw,2.25rem)}
.section-head p{color:var(--muted);font-size:17px;line-height:1.85}
.section--dark .section-head p{color:#A9C3B8}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:800;letter-spacing:.16em;
  color:#0A7A57;background:rgba(18,184,134,.12);
  padding:7px 15px;border-radius:999px;border:1px solid rgba(18,184,134,.22);
}
.section--dark .eyebrow{color:var(--lime);background:rgba(217,255,107,.12);border-color:rgba(217,255,107,.3)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 30px;border-radius:999px;font-weight:700;font-size:15.5px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn svg{width:18px;height:18px;flex-shrink:0}
.btn--primary{background:linear-gradient(135deg,#0B3D2E 0%,#12B886 100%);color:#fff;box-shadow:0 12px 28px rgba(11,61,46,.26)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 20px 40px rgba(11,61,46,.32);filter:brightness(1.07)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--deep)}
.btn--ghost:hover{border-color:var(--deep);background:rgba(11,61,46,.05);transform:translateY(-2px)}
.btn--light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.34);color:#fff;backdrop-filter:blur(8px)}
.btn--light:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}
.btn--sm{padding:11px 22px;font-size:14.5px}
.btn--block{width:100%}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:999px;font-size:13.5px;font-weight:700;
  font-variant-numeric:tabular-nums;border:1px solid transparent;line-height:1.5;
}
.badge--lime{background:var(--lime);color:#123A22}
.badge--orange{background:rgba(255,107,53,.13);color:#C1440E;border-color:rgba(255,107,53,.28)}
.badge--cyan{background:rgba(18,184,134,.13);color:#0A7A57;border-color:rgba(18,184,134,.28)}
.badge--glass{background:rgba(255,255,255,.15);color:#fff;border-color:rgba(255,255,255,.3)}
.badge--outline{background:#fff;color:var(--deep);border-color:var(--line-strong)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,239,.9);
  backdrop-filter:saturate(180%) blur(16px);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;height:78px;gap:16px;position:relative}
.nav-toggle-input{position:absolute;opacity:0;pointer-events:none;width:0;height:0}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:13px;background:var(--grad);
  display:grid;place-items:center;box-shadow:0 8px 20px rgba(11,61,46,.24);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.18}
.brand-text strong{font-size:17px;font-weight:800;color:var(--deep);letter-spacing:-.01em}
.brand-text span{font-size:11px;letter-spacing:.2em;color:var(--muted);font-weight:700}

.nav-links{display:flex;align-items:center;gap:2px;margin-left:10px}
.nav-links > a{
  position:relative;padding:11px 16px;border-radius:999px;
  font-size:15px;font-weight:600;color:#33544A;transition:.2s ease;
}
.nav-links > a:hover{background:rgba(11,61,46,.06);color:var(--deep)}
.nav-links > a.is-active{color:var(--deep);font-weight:800}
.nav-links > a.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:3px;height:3px;
  border-radius:3px;background:linear-gradient(90deg,#12B886,#D9FF6B);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}

.mega{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:7px;
  padding:11px 16px;border-radius:999px;font-size:15px;font-weight:600;
  color:#33544A;background:transparent;border:1px solid transparent;cursor:pointer;transition:.2s ease;
}
.mega-trigger:hover{background:rgba(11,61,46,.06);color:var(--deep)}
.mega-trigger .caret{width:12px;height:12px;transition:transform .24s ease}
.mega:hover .mega-trigger .caret,.mega:focus-within .mega-trigger .caret{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:min(600px,88vw);
  background:#fff;border:1px solid var(--line);border-radius:24px;
  box-shadow:var(--shadow-lg);padding:22px;
  display:grid;grid-template-columns:1.15fr 1fr;gap:18px;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:.24s ease;z-index:90;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:none}
.mega-col-title{font-size:12.5px;font-weight:800;letter-spacing:.14em;color:var(--cyan);margin-bottom:12px}
.mega-list{display:flex;flex-direction:column;gap:4px}
.mega-list a{
  display:block;padding:10px 12px;border-radius:14px;font-size:14.5px;font-weight:600;
  color:#2C4A40;transition:.18s ease;
}
.mega-list a:hover{background:rgba(18,184,134,.09);color:var(--deep);transform:translateX(3px)}
.mega-list a small{display:block;font-size:12.5px;font-weight:500;color:var(--muted);margin-top:2px}
.mega-card{
  border-radius:18px;padding:18px;color:#fff;
  background:linear-gradient(150deg,#0B3D2E 0%,#0F5138 48%,#12B886 100%);
  display:flex;flex-direction:column;gap:10px;justify-content:space-between;
}
.mega-card strong{font-size:15.5px;font-weight:800;color:#fff;line-height:1.5}
.mega-card p{font-size:13px;color:rgba(255,255,255,.82);line-height:1.7}
.mega-card .btn{align-self:flex-start;padding:10px 18px;font-size:13.5px}

.burger{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line-strong);
  background:#fff;cursor:pointer;place-items:center;gap:0;flex-direction:column;justify-content:center;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--deep);margin:2.5px 0;transition:.22s ease}
.nav-toggle-input:checked ~ .nav-right .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle-input:checked ~ .nav-right .burger span:nth-child(2){opacity:0}
.nav-toggle-input:checked ~ .nav-right .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{padding:46px 0 78px}
.hero-card{
  position:relative;border-radius:var(--radius-xl);overflow:hidden;
  background:linear-gradient(140deg,#082B20 0%,#0B3D2E 42%,#128A66 100%);
  padding:66px 58px;color:#fff;box-shadow:var(--shadow-lg);
}
.hero-card::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.22;
}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(8,43,32,.35) 0%,rgba(8,43,32,.9) 78%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center}
.hero h1{
  font-size:clamp(2rem,3.9vw,3.4rem);
  color:#fff;line-height:1.18;margin:20px 0 18px;letter-spacing:-.02em;
}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-sub{font-size:17.5px;color:rgba(255,255,255,.84);line-height:1.85;max-width:600px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-note{margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.62);font-variant-numeric:tabular-nums}

.hero-visual{position:relative}
.hero-shot{
  border-radius:26px;overflow:hidden;border:1px solid rgba(255,255,255,.26);
  box-shadow:0 34px 70px rgba(0,0,0,.42);
}
.hero-shot img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-float{
  position:absolute;left:-16px;bottom:-18px;background:#fff;color:var(--deep);
  padding:15px 20px;border-radius:20px;box-shadow:var(--shadow-md);
  display:flex;align-items:center;gap:13px;
}
.hero-float b{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;display:block;line-height:1.2}
.hero-float small{font-size:12.5px;color:var(--muted);font-weight:600}
.hero-float-icon{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:rgba(18,184,134,.14);color:#0A7A57;
}
.hero-float-icon svg{width:20px;height:20px}

/* ---------- 价值时间轴 ---------- */
.value-timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;position:relative}
.value-timeline::before{
  content:"";position:absolute;top:32px;left:8%;right:8%;height:2px;
  background:linear-gradient(90deg,rgba(18,184,134,.35),rgba(217,255,107,.95));
}
.value-item{position:relative;padding-top:0}
.value-item:nth-child(even){margin-top:34px}
.value-num{
  position:relative;z-index:2;width:66px;height:66px;border-radius:22px;
  background:#fff;border:1px solid var(--line);display:grid;place-items:center;
  font-weight:800;font-size:19px;color:var(--deep);box-shadow:var(--shadow-sm);
  font-variant-numeric:tabular-nums;margin-bottom:20px;
}
.value-item h3{font-size:1.15rem;margin-bottom:10px}
.value-item p{color:var(--muted);font-size:15.5px;line-height:1.8}
.value-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.value-tags span{
  font-size:12.5px;font-weight:700;color:#0A7A57;background:rgba(18,184,134,.1);
  padding:5px 12px;border-radius:999px;
}

/* ---------- 截图轮播 ---------- */
.shot-stage{
  position:relative;border-radius:26px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-md);background:#fff;
}
.shot-slide{display:none}
.shot-slide.is-active{display:block;animation:fadeIn .38s ease}
@keyframes fadeIn{from{opacity:0;transform:scale(.995)}to{opacity:1;transform:none}}
.shot-slide img{width:100%;aspect-ratio:16/9;object-fit:cover}
.shot-caption{
  position:absolute;left:20px;bottom:20px;right:auto;
  background:rgba(11,61,46,.86);color:#fff;backdrop-filter:blur(8px);
  padding:12px 20px;border-radius:16px;font-size:14px;font-weight:600;
  border:1px solid rgba(255,255,255,.18);
}
.shot-arrow{
  position:absolute;top:50%;transform:translateY(-50%);
  width:46px;height:46px;border-radius:50%;border:1px solid rgba(11,61,46,.14);
  background:rgba(255,255,255,.94);color:var(--deep);cursor:pointer;
  display:grid;place-items:center;box-shadow:var(--shadow-sm);transition:.2s ease;
}
.shot-arrow:hover{background:var(--deep);color:#fff}
.shot-arrow svg{width:18px;height:18px}
.shot-arrow--prev{left:18px}
.shot-arrow--next{right:18px}
.shot-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:20px}
.shot-thumb{
  position:relative;border-radius:18px;overflow:hidden;cursor:pointer;
  padding:0;border:2px solid transparent;background:transparent;
  box-shadow:var(--shadow-sm);transition:.22s ease;
}
.shot-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.shot-thumb span{
  position:absolute;left:0;right:0;bottom:0;
  background:linear-gradient(180deg,transparent,rgba(11,61,46,.82));
  color:#fff;font-size:12.5px;font-weight:700;padding:18px 12px 9px;text-align:left;
}
.shot-thumb.is-active{border-color:var(--cyan);transform:translateY(-3px);box-shadow:var(--shadow-md)}
.shot-thumb.is-active::after{
  content:"";position:absolute;inset:0;border-radius:16px;
  box-shadow:inset 0 0 0 1px rgba(217,255,107,.9);
}

/* ---------- 系统要求 ---------- */
.req-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:34px}
.req-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow-sm);transition:.24s ease;
}
.req-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(18,184,134,.4)}
.req-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.req-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(11,61,46,.08),rgba(18,184,134,.16));color:var(--deep);
}
.req-icon svg{width:21px;height:21px}
.req-card h3{font-size:1.05rem;margin-bottom:6px}
.req-card ul{display:flex;flex-direction:column;gap:9px;margin-top:14px}
.req-card li{
  display:flex;justify-content:space-between;gap:12px;
  font-size:13.5px;color:var(--muted);padding-bottom:9px;
  border-bottom:1px dashed var(--line);
}
.req-card li:last-child{border-bottom:none;padding-bottom:0}
.req-card li b{color:var(--deep);font-weight:700;font-variant-numeric:tabular-nums;text-align:right}

.table-wrap{
  overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow-sm);
}
table{width:100%;border-collapse:collapse;min-width:760px;font-variant-numeric:tabular-nums}
thead th{
  text-align:left;font-size:13px;font-weight:800;letter-spacing:.06em;
  color:#0A7A57;background:rgba(18,184,134,.08);padding:16px 20px;white-space:nowrap;
}
tbody td{padding:16px 20px;font-size:14.5px;color:#33544A;border-top:1px solid var(--line)}
tbody tr:hover td{background:rgba(217,255,107,.12)}
tbody td:first-child{font-weight:800;color:var(--deep)}

/* ---------- 评价墙 ---------- */
.review-wall{columns:2;column-gap:26px}
.review-card{
  break-inside:avoid;margin-bottom:26px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-sm);transition:.24s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(18,184,134,.35)}
.review-top{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.avatar{
  width:46px;height:46px;border-radius:15px;display:grid;place-items:center;
  font-weight:800;font-size:16px;color:#123A22;background:var(--lime);flex-shrink:0;
}
.avatar--cyan{background:rgba(18,184,134,.2);color:#0A7A57}
.avatar--orange{background:rgba(255,107,53,.18);color:#C1440E}
.review-name{font-weight:800;color:var(--deep);font-size:15px}
.review-meta{font-size:12.5px;color:var(--muted);font-weight:600}
.stars{color:var(--orange);font-size:13.5px;letter-spacing:2px;font-weight:700}
.review-card p{font-size:15.5px;color:#37554B;line-height:1.85}

/* ---------- 下载区 ---------- */
.download-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.download-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 24px;box-shadow:var(--shadow-sm);transition:.24s ease;
  display:flex;flex-direction:column;gap:16px;position:relative;overflow:hidden;
}
.download-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:var(--grad);opacity:0;transition:.24s ease;
}
.download-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(18,184,134,.38)}
.download-card:hover::before{opacity:1}
.download-card-head{display:flex;align-items:center;gap:13px}
.platform-icon{
  width:46px;height:46px;border-radius:15px;display:grid;place-items:center;
  background:rgba(11,61,46,.07);color:var(--deep);
}
.platform-icon svg{width:22px;height:22px}
.download-card-head h3{font-size:1.1rem}
.download-card-head small{display:block;font-size:12.5px;color:var(--muted);font-weight:600;margin-top:2px}
.download-meta{display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.download-meta div{display:flex;justify-content:space-between;gap:10px}
.download-meta b{color:var(--deep);font-weight:700}
.download-card .btn{margin-top:auto}

/* ---------- 资讯列表 ---------- */
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);transition:.26s ease;display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(18,184,134,.38)}
.news-cover{position:relative;overflow:hidden}
.news-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-cover img{transform:scale(1.05)}
.news-cover-tag{
  position:absolute;left:14px;top:14px;background:rgba(217,255,107,.95);
  color:#123A22;font-size:12px;font-weight:800;padding:6px 13px;border-radius:999px;
}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:11px;flex:1}
.news-body h3{font-size:1.05rem;line-height:1.5}
.news-body h3 a{transition:color .2s ease}
.news-body h3 a:hover{color:var(--cyan)}
.news-body p{font-size:14.5px;color:var(--muted);line-height:1.8}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--muted);font-weight:600;
  padding-top:14px;border-top:1px dashed var(--line);font-variant-numeric:tabular-nums;
}
.news-empty{
  grid-column:1/-1;background:#fff;border:1px dashed var(--line-strong);
  border-radius:var(--radius-lg);padding:56px 28px;text-align:center;color:var(--muted);
}
.news-empty strong{display:block;color:var(--deep);font-size:1.1rem;margin-bottom:8px}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:start}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;transition:.24s ease;
}
.faq-item[open]{border-color:rgba(18,184,134,.42);box-shadow:var(--shadow-sm)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-weight:800;font-size:15.5px;color:var(--deep);line-height:1.55;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";flex-shrink:0;width:11px;height:11px;
  border-right:2.5px solid var(--cyan);border-bottom:2.5px solid var(--cyan);
  transform:rotate(45deg);transition:transform .26s ease;margin-right:4px;
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item .faq-answer{padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.85}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  background:linear-gradient(140deg,#082B20 0%,#0B3D2E 45%,#12B886 100%);
  padding:66px 56px;color:#fff;box-shadow:var(--shadow-lg);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.2;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:44px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2.1rem);margin-bottom:14px}
.cta-inner p{color:rgba(255,255,255,.82);font-size:16px;max-width:620px;line-height:1.85}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#B9CFC6;padding:70px 0 30px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:42px;padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand strong{font-size:17px;font-weight:800;color:#fff}
.footer-brand .brand-mark{width:38px;height:38px;border-radius:12px}
.footer-col p{font-size:14.5px;line-height:1.85;color:#9DB6AC;max-width:340px}
.footer-col h4{font-size:13px;letter-spacing:.14em;color:var(--lime);margin-bottom:18px;font-weight:800}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col ul a{font-size:14.5px;color:#B9CFC6;transition:.2s ease}
.footer-col ul a:hover{color:var(--lime);padding-left:4px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  flex-wrap:wrap;padding-top:26px;font-size:13.5px;color:#8AA69B;
}
.footer-bottom a{color:#B9CFC6}
.footer-bottom a:hover{color:var(--lime)}
.to-top{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;
  border:1px solid rgba(255,255,255,.18);color:#fff;font-size:13.5px;font-weight:700;
  transition:.22s ease;
}
.to-top:hover{background:rgba(217,255,107,.14);border-color:var(--lime);color:var(--lime)}
.to-top svg{width:14px;height:14px}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .hero-card{padding:56px 44px}
  .hero-inner{gap:40px}
  .review-wall{columns:2}
}
@media (max-width:1023px){
  .nav-links{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--line);border-radius:22px;
    padding:14px;box-shadow:var(--shadow-lg);margin-left:0;
    opacity:0;visibility:hidden;transform:translateY(-10px);transition:.24s ease;
  }
  .nav-toggle-input:checked ~ .nav-links{opacity:1;visibility:visible;transform:none}
  .nav-links > a{padding:13px 16px;border-radius:14px}
  .nav-links > a.is-active::after{left:16px;right:auto;width:26px;bottom:8px}
  .mega{display:none}
  .burger{display:flex}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:560px}
  .value-timeline{grid-template-columns:repeat(2,1fr);gap:22px}
  .value-timeline::before{display:none}
  .value-item:nth-child(even){margin-top:0}
  .req-grid{grid-template-columns:repeat(2,1fr)}
  .download-grid{grid-template-columns:repeat(2,1fr)}
  .news-list{grid-template-columns:repeat(2,1fr)}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:66px 0}
  .section--tight{padding:50px 0}
  .hero{padding:28px 0 54px}
  .hero-card{padding:38px 24px;border-radius:24px}
  .hero h1{font-size:1.85rem}
  .hero-sub{font-size:16px}
  .hero-float{left:8px;bottom:-14px;padding:12px 16px}
  .hero-float b{font-size:19px}
  .cta-band{padding:42px 24px;border-radius:24px}
  .cta-inner{gap:26px}
  .review-wall{columns:1}
  .shot-thumbs{grid-template-columns:repeat(2,1fr)}
  .shot-arrow{width:40px;height:40px}
  .news-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-col p{max-width:none}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .nav{height:70px}
  .brand-text strong{font-size:15.5px}
  .brand-text span{font-size:10px;letter-spacing:.14em}
  .req-grid,.download-grid,.value-timeline{grid-template-columns:1fr}
  .hero-actions{width:100%}
  .hero-actions .btn{width:100%}
  .shot-thumbs{grid-template-columns:1fr 1fr;gap:10px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --green:#0B3D2E;
  --green-2:#12513C;
  --green-3:#1B6B4F;
  --orange:#FF6B35;
  --cyan:#12B886;
  --lemon:#D9FF6B;
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --dark:#111513;
  --text:#16211C;
  --muted:#5C6B63;
  --line:rgba(11,61,46,.10);
  --line-strong:rgba(11,61,46,.18);
  --radius-xl:28px;
  --radius-l:22px;
  --radius:18px;
  --radius-s:12px;
  --shadow:0 12px 32px rgba(11,61,46,.08);
  --shadow-hover:0 22px 48px rgba(11,61,46,.16);
  --grad:linear-gradient(135deg,#0B3D2E 0%,#12B886 58%,#D9FF6B 100%);
  --container:1240px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,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:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--green-2);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--orange);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;color:var(--green);font-weight:800;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lemon);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-weight:700;font-size:15.5px;line-height:1.2;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(18,184,134,.28);}
.btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(18,184,134,.36);filter:brightness(1.06);}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--green);}
.btn--ghost:hover{border-color:var(--green);color:var(--green);background:rgba(11,61,46,.04);transform:translateY(-2px);}
.btn--dark{background:var(--dark);color:#F2FBF6;}
.btn--dark:hover{color:#fff;background:#1B241F;transform:translateY(-2px);}
.btn--sm{padding:10px 20px;font-size:14.5px;}
.btn:active{transform:translateY(0);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;font-size:13px;font-weight:700;
  background:#fff;border:1px solid var(--line-strong);color:var(--green);
  font-variant-numeric:tabular-nums;
}
.badge--lemon{background:var(--lemon);border-color:transparent;color:#20360F;}
.badge--orange{background:rgba(255,107,53,.12);border-color:rgba(255,107,53,.3);color:#B33F12;}
.badge--cyan{background:rgba(18,184,134,.12);border-color:rgba(18,184,134,.32);color:#0A6B4E;}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,239,.92);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:22px;height:72px;}
.nav-toggle-input{position:absolute;opacity:0;pointer-events:none;width:0;height:0;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:14px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(11,61,46,.18);
}
.brand-mark svg{width:22px;height:22px;background:#fff;border-radius:50%;padding:2px;}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:17.5px;color:var(--green);font-weight:800;letter-spacing:.2px;}
.brand-text span{font-size:10.5px;letter-spacing:1.6px;color:var(--muted);font-weight:700;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-links a{
  position:relative;padding:10px 14px;border-radius:12px;
  font-size:15.5px;font-weight:600;color:#2C3B34;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:3px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--green);background:rgba(11,61,46,.05);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--green);font-weight:800;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.mega{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:7px;
  padding:10px 16px;border-radius:999px;background:#fff;
  border:1px solid var(--line-strong);color:var(--green);font-weight:700;font-size:14.5px;cursor:pointer;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.mega-trigger:hover{border-color:var(--green);box-shadow:var(--shadow);}
.mega-trigger .caret{width:12px;height:12px;transition:transform .25s ease;}
.mega:hover .caret,.mega-trigger[aria-expanded="true"] .caret{transform:rotate(180deg);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:560px;
  background:#fff;border:1px solid var(--line-strong);border-radius:var(--radius-xl);
  box-shadow:0 26px 60px rgba(11,61,46,.18);
  padding:22px;display:grid;grid-template-columns:1fr 200px;gap:20px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col-title{font-size:12.5px;font-weight:800;letter-spacing:1.4px;color:var(--muted);text-transform:uppercase;margin-bottom:10px;}
.mega-list{display:flex;flex-direction:column;gap:4px;}
.mega-list a{display:block;padding:10px 12px;border-radius:14px;font-weight:700;font-size:15px;color:var(--green);}
.mega-list a small{display:block;font-weight:500;font-size:12.8px;color:var(--muted);margin-top:2px;}
.mega-list a:hover{background:rgba(18,184,134,.08);}
.mega-card{
  background:var(--dark);color:#EAF4EE;border-radius:var(--radius-l);
  padding:18px;display:flex;flex-direction:column;justify-content:space-between;gap:14px;
}
.mega-card strong{display:block;color:#fff;font-size:15.5px;margin-bottom:6px;}
.mega-card p{font-size:13.2px;color:#A9C0B5;line-height:1.7;}
.mega-card .btn{width:100%;}
.burger{display:none;flex-direction:column;gap:5px;width:44px;height:44px;border-radius:14px;border:1px solid var(--line-strong);background:#fff;align-items:center;justify-content:center;cursor:pointer;}
.burger span{display:block;width:18px;height:2px;background:var(--green);border-radius:2px;}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);}
.crumbs a{color:var(--green-2);font-weight:600;}
.crumbs span.sep{color:rgba(11,61,46,.3);}
.crumbs .current{color:var(--muted);font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.article-head{
  position:relative;overflow:hidden;
  background:var(--dark);
  padding:46px 0 54px;
}
.article-head::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(11,61,46,.94),rgba(11,61,46,.72)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;opacity:.96;
}
.article-head .container{position:relative;z-index:2;}
.article-head .crumbs{color:#B6CBC0;}
.article-head .crumbs a{color:#D9FF6B;}
.article-head .crumbs span.sep{color:rgba(255,255,255,.35);}
.article-head .crumbs .current{color:#B6CBC0;}
.article-head h1{
  color:#fff;font-size:clamp(1.8rem,3.5vw,2.9rem);line-height:1.24;
  margin:20px 0 0;max-width:940px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px;}
.meta-row .badge{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.22);color:#EAF4EE;}
.meta-row .badge--lemon{background:var(--lemon);border-color:transparent;color:#20360F;}
.meta-row .badge--cyan{background:rgba(18,184,134,.22);border-color:rgba(18,184,134,.5);color:#C9F6E6;}

/* ---------- 布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 340px;
  gap:34px;align-items:start;
  padding:52px 24px 20px;
}
.article-main{min-width:0;}
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-xl);
  box-shadow:var(--shadow);padding:38px 40px;
}
.article-body{font-size:17.2px;line-height:1.92;color:#22302A;max-width:100%;}
.article-body > * + *{margin-top:1.1em;}
.article-body p{margin-top:1.05em;}
.article-body h2{
  font-size:clamp(1.35rem,2.2vw,1.72rem);margin-top:2.1em;padding-top:.2em;
  scroll-margin-top:100px;
}
.article-body h2::after{
  content:"";display:block;width:64px;height:4px;border-radius:4px;background:var(--grad);margin-top:12px;
}
.article-body h3{font-size:1.18rem;margin-top:1.7em;color:var(--green-2);}
.article-body ul,.article-body ol{margin-top:1em;padding-left:1.35em;}
.article-body ul li{list-style:disc;margin:.45em 0;}
.article-body ol li{list-style:decimal;margin:.45em 0;}
.article-body li::marker{color:var(--cyan);font-weight:700;}
.article-body blockquote{
  border-left:4px solid var(--cyan);background:#F2FAF6;
  padding:16px 22px;border-radius:0 var(--radius) var(--radius) 0;color:#2B3D34;font-style:normal;
}
.article-body blockquote p{margin:0;}
.article-body img{border-radius:16px;box-shadow:var(--shadow);margin:1.4em auto;height:auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13.4px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body a{color:var(--green-2);font-weight:600;text-decoration:underline;text-underline-offset:4px;text-decoration-color:rgba(18,184,134,.5);}
.article-body a:hover{color:var(--orange);text-decoration-color:var(--orange);}
.article-body strong{color:var(--green);font-weight:800;}
.article-body code{background:#E9F4EF;color:#0B3D2E;padding:2px 7px;border-radius:7px;font-size:.92em;font-variant-numeric:tabular-nums;}
.article-body pre{background:var(--dark);color:#E7F2EC;padding:20px 22px;border-radius:16px;overflow-x:auto;font-size:14.5px;line-height:1.7;}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;background:#fff;
  border-radius:14px;overflow:hidden;box-shadow:0 0 0 1px var(--line) inset;
}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:#F1F7F3;color:var(--green);font-weight:800;font-variant-numeric:tabular-nums;}
.article-body tr:last-child td{border-bottom:0;}
.article-body hr{border:0;height:1px;background:var(--line-strong);margin:2.2em 0;}

/* ---------- 文末操作条 ---------- */
.article-actions{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:34px;padding-top:26px;border-top:1px solid var(--line);
}
.share-group{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:wrap;}
.share-group a{
  display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:999px;
  background:#F1F7F3;color:var(--green);font-size:13.5px;font-weight:700;border:1px solid transparent;
}
.share-group a:hover{background:#fff;border-color:var(--line-strong);color:var(--green);}

/* ---------- 缺失内容提示 ---------- */
.empty-box{
  background:#FFF7F2;border:1px dashed rgba(255,107,53,.45);border-radius:var(--radius-l);
  padding:34px;text-align:center;
}
.empty-box h2{font-size:1.35rem;margin-bottom:12px;}
.empty-box p{color:var(--muted);margin-bottom:20px;}

/* ---------- 侧栏 ---------- */
.side{display:flex;flex-direction:column;gap:20px;position:sticky;top:92px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-xl);
  box-shadow:var(--shadow);padding:24px;
}
.side-card h3{font-size:1.02rem;color:var(--green);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--grad);}
.side-list{display:flex;flex-direction:column;gap:10px;}
.side-list a{
  display:flex;justify-content:space-between;gap:10px;align-items:center;
  padding:11px 13px;border-radius:14px;background:#F6F9F6;font-size:14.6px;font-weight:600;color:var(--green);
}
.side-list a:hover{background:rgba(18,184,134,.1);color:var(--green);}
.side-list a span{color:var(--muted);font-size:12.6px;font-weight:600;font-variant-numeric:tabular-nums;}
.side-card--dark{background:var(--dark);border-color:transparent;color:#E7F2EC;}
.side-card--dark h3{color:#fff;}
.side-card--dark h3::before{background:var(--cyan);}
.side-card--dark p{font-size:13.8px;color:#A9C0B5;line-height:1.75;}
.side-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:16px 0;}
.side-stats div{background:rgba(255,255,255,.07);border-radius:14px;padding:10px 12px;}
.side-stats strong{display:block;color:#fff;font-size:16px;font-variant-numeric:tabular-nums;}
.side-stats span{font-size:11.8px;color:#9EB6AA;}
.side-card--dark .btn{width:100%;}
.facts{display:flex;flex-direction:column;gap:12px;}
.facts div{display:flex;justify-content:space-between;gap:12px;font-size:14.4px;padding-bottom:12px;border-bottom:1px dashed var(--line-strong);}
.facts div:last-child{border-bottom:0;padding-bottom:0;}
.facts span{color:var(--muted);}
.facts b{color:var(--green);font-weight:800;font-variant-numeric:tabular-nums;}

/* ---------- 板块通用 ---------- */
.section{padding:74px 0;}
.section--tight{padding:54px 0;}
.section--dark{background:var(--dark);color:#DCEBE3;}
.section--dark h2,.section--dark h3{color:#fff;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.15rem);}
.section-head p{margin-top:14px;color:var(--muted);font-size:16.5px;}
.section--dark .section-head p{color:#A4BCB1;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.6px;font-weight:800;
  letter-spacing:1.8px;text-transform:uppercase;color:var(--green-3);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad);}
.section--dark .eyebrow{color:var(--lemon);}

/* ---------- 相关推荐 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.post-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-xl);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(18,184,134,.4);}
.post-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.post-card:hover .thumb img{transform:scale(1.05);}
.post-card .thumb .badge{position:absolute;left:14px;top:14px;}
.post-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card h3{font-size:1.03rem;line-height:1.45;}
.post-card h3 a{color:var(--green);}
.post-card h3 a:hover{color:var(--orange);}
.post-card p{font-size:14px;color:var(--muted);line-height:1.72;}
.post-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.8px;color:var(--muted);font-variant-numeric:tabular-nums;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  box-shadow:var(--shadow);overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;font-weight:800;color:var(--green);
  font-size:16.5px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";width:11px;height:11px;flex-shrink:0;
  border-right:2.4px solid var(--green-3);border-bottom:2.4px solid var(--green-3);
  transform:rotate(45deg);transition:transform .25s ease;margin-top:-4px;
}
.faq-item[open] summary::after{transform:rotate(225deg);margin-top:4px;}
.faq-item .answer{padding:0 24px 22px;color:#38473F;font-size:15.6px;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  background:var(--grad);color:#fff;padding:52px 48px;
  display:grid;grid-template-columns:1.35fr .85fr;gap:34px;align-items:center;
  box-shadow:0 26px 60px rgba(11,61,46,.22);
}
.cta-block::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-block h2{color:#fff;font-size:clamp(1.5rem,2.5vw,2.05rem);position:relative;z-index:2;}
.cta-block p{color:rgba(255,255,255,.92);margin-top:14px;font-size:16.4px;position:relative;z-index:2;}
.cta-block .badge-row{position:relative;z-index:2;margin-top:20px;}
.cta-block .badge{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.34);color:#fff;}
.cta-actions{position:relative;z-index:2;display:flex;flex-direction:column;gap:14px;}
.cta-actions .btn--ghost{border-color:rgba(255,255,255,.6);color:#fff;}
.cta-actions .btn--ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#B9CDC3;padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{width:38px;height:38px;border-radius:12px;}
.footer-brand strong{color:#fff;font-size:17px;}
.footer-col p{font-size:14.2px;line-height:1.85;color:#9EB6AA;max-width:340px;}
.footer-col h4{color:#fff;font-size:14.6px;margin-bottom:16px;letter-spacing:.4px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{color:#B9CDC3;font-size:14.4px;}
.footer-col ul a:hover{color:var(--lemon);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13.4px;color:#8AA396;
}
.to-top{display:inline-flex;align-items:center;gap:8px;color:#D9FF6B;font-weight:700;}
.to-top svg{width:15px;height:15px;}
.to-top:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:26px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1024px){
  .nav-links{display:none;}
  .burger{display:flex;}
  .mega{display:none;}
  .nav-toggle-input:checked ~ .nav-links{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:absolute;left:16px;right:16px;top:78px;
    background:#fff;border:1px solid var(--line-strong);border-radius:var(--radius-l);
    box-shadow:0 26px 60px rgba(11,61,46,.2);padding:14px;margin:0;z-index:90;
  }
  .nav-toggle-input:checked ~ .nav-links a{padding:13px 16px;}
  .nav-toggle-input:checked ~ .nav-links a::after{display:none;}
  .nav-toggle-input:checked ~ .nav-links a.is-active{background:rgba(18,184,134,.12);}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .side{position:static;}
  .cta-block{grid-template-columns:1fr;padding:40px 30px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .nav{height:66px;gap:12px;}
  .brand-text strong{font-size:15.6px;}
  .brand-text span{display:none;}
  .nav-right .btn--sm{display:none;}
  .section{padding:56px 0;}
  .panel{padding:26px 20px;border-radius:var(--radius-l);}
  .article-head{padding:34px 0 42px;}
  .article-body{font-size:16.2px;line-height:1.88;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-col p{max-width:none;}
  .article-actions{align-items:flex-start;}
  .share-group{margin-left:0;}
}
@media (max-width:520px){
  .btn{width:100%;padding:14px 20px;}
  .btn--sm{width:auto;}
  .footer-grid{grid-template-columns:1fr;}
  .side-stats{grid-template-columns:1fr;}
  .cta-block{padding:32px 22px;}
  .article-head h1{font-size:1.6rem;}
}

/* roulang page: category1 */
:root{
  --green:#0B3D2E;
  --green-800:#0f4a38;
  --orange:#FF6B35;
  --cyan:#12B886;
  --lime:#D9FF6B;
  --sand:#F7F5EF;
  --dark:#111513;
  --ink:#12211b;
  --muted:#5C6B64;
  --line:rgba(11,61,46,.10);
  --line-strong:rgba(11,61,46,.18);
  --white:#ffffff;
  --brand:linear-gradient(135deg,#0B3D2E 0%,#12B886 58%,#D9FF6B 100%);
  --brand-btn:linear-gradient(135deg,#0B3D2E 0%,#12B886 72%,#57cf9f 100%);
  --r-xl:28px;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-sm:0 6px 18px rgba(11,61,46,.07);
  --shadow:0 12px 32px rgba(11,61,46,.09);
  --shadow-lg:0 26px 64px rgba(11,61,46,.18);
  --container:1240px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.82;
  color:var(--ink);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--green);text-decoration:none;text-underline-offset:4px}
a:hover{color:var(--orange)}
h1,h2,h3,h4{margin:0;line-height:1.24;font-weight:800;letter-spacing:-.01em;color:var(--green)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
svg{display:block}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,239,.93);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:26px;height:76px}
.nav-toggle-input{display:none}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:14px;
  display:grid;place-items:center;
  background:var(--brand);
  box-shadow:0 8px 20px rgba(18,184,134,.32);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:1.06rem;font-weight:800;color:var(--green);letter-spacing:.01em}
.brand-text span{font-size:.62rem;letter-spacing:.22em;color:var(--muted);font-weight:600}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-links a{
  position:relative;
  padding:10px 15px;
  border-radius:999px;
  font-size:.95rem;
  font-weight:600;
  color:#28453a;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%) scaleX(0);
  width:26px;height:3px;border-radius:3px;background:var(--brand);
  transition:transform .26s ease;
}
.nav-links a:hover{background:rgba(18,184,134,.09);color:var(--green)}
.nav-links a:hover::after{transform:translateX(-50%) scaleX(1)}
.nav-links a.is-active{color:var(--green);font-weight:800;background:rgba(18,184,134,.13)}
.nav-links a.is-active::after{transform:translateX(-50%) scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}

/* Mega 面板 */
.mega{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:999px;
  font-size:.92rem;font-weight:700;color:var(--green);
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.7);
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.mega-trigger:hover{border-color:var(--cyan);box-shadow:var(--shadow-sm);background:#fff}
.mega-trigger .caret{width:12px;height:12px;transition:transform .26s ease}
.mega:hover .mega-trigger .caret,
.mega:focus-within .mega-trigger .caret{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);
  width:660px;padding:24px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--shadow-lg);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s;
}
.mega:hover .mega-panel,
.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col-title{font-size:.74rem;font-weight:800;letter-spacing:.16em;color:var(--muted);margin-bottom:12px}
.mega-list{display:flex;flex-direction:column;gap:4px}
.mega-list a{
  display:flex;flex-direction:column;gap:2px;
  padding:11px 14px;border-radius:var(--r-md);
  font-weight:700;color:var(--green);font-size:.95rem;
  transition:background .2s ease,transform .2s ease;
}
.mega-list a small{font-weight:500;font-size:.8rem;color:var(--muted);line-height:1.5}
.mega-list a:hover{background:rgba(18,184,134,.09);transform:translateX(3px);color:var(--green)}
.mega-card{
  border-radius:var(--r-lg);padding:22px;
  background:linear-gradient(160deg,#0B3D2E 0%,#12B886 100%);
  color:#fff;display:flex;flex-direction:column;justify-content:space-between;gap:18px;
}
.mega-card strong{font-size:1.02rem;display:block;margin-bottom:8px}
.mega-card p{font-size:.86rem;line-height:1.72;color:rgba(255,255,255,.86)}
.mega-card .btn{justify-content:center}

/* 汉堡 */
.burger{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line-strong);background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--green);transition:transform .24s ease,opacity .24s ease}
.nav-toggle-input:checked ~ .nav-right .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle-input:checked ~ .nav-right .burger span:nth-child(2){opacity:0}
.nav-toggle-input:checked ~ .nav-right .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:999px;
  font-size:.96rem;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn--primary{background:var(--brand-btn);color:#fff;box-shadow:0 12px 26px rgba(11,61,46,.22)}
.btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 36px rgba(11,61,46,.3)}
.btn--ghost{background:transparent;color:var(--green);border-color:var(--line-strong)}
.btn--ghost:hover{border-color:var(--green);background:rgba(11,61,46,.05);transform:translateY(-2px)}
.btn--light{background:#fff;color:var(--green)}
.btn--light:hover{color:var(--green);transform:translateY(-2px);box-shadow:0 16px 34px rgba(0,0,0,.22)}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn--outline-light:hover{color:#fff;border-color:#fff;background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn--sm{padding:11px 20px;font-size:.9rem}
.btn--block{width:100%}

.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;
  font-size:.78rem;font-weight:700;letter-spacing:.02em;
  border:1px solid transparent;
}
.badge--lime{background:rgba(217,255,107,.9);color:#20401a}
.badge--orange{background:rgba(255,107,53,.14);color:#b23c12;border-color:rgba(255,107,53,.28)}
.badge--cyan{background:rgba(18,184,134,.14);color:#0b6b4e;border-color:rgba(18,184,134,.3)}
.badge--dark{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.24)}
.badge-row{display:flex;flex-wrap:wrap;gap:10px}

.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:.78rem;font-weight:800;letter-spacing:.18em;
  color:var(--green);text-transform:uppercase;
}
.eyebrow::before{content:"";width:26px;height:3px;border-radius:3px;background:var(--brand)}

/* ============ Hero ============ */
.hero{position:relative;padding:70px 0 84px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background:
    radial-gradient(900px 420px at 88% -10%,rgba(18,184,134,.22),transparent 68%),
    radial-gradient(700px 380px at 4% 96%,rgba(217,255,107,.26),transparent 70%),
    linear-gradient(180deg,#F2FBF6 0%,#F7F5EF 62%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(2rem,4.2vw,3.4rem);margin:20px 0 18px;letter-spacing:-.02em}
.hero h1 em{font-style:normal;background:var(--brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:1.06rem;color:#3c534a;max-width:58ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;border-radius:var(--r-xl);
  box-shadow:var(--shadow-lg);
  border:1px solid rgba(255,255,255,.6);
  aspect-ratio:4/3;object-fit:cover;
}
.float-card{
  position:absolute;left:-26px;bottom:26px;
  width:min(276px,82%);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px 20px;box-shadow:var(--shadow-lg);
}
.float-card .float-num{font-size:1.7rem;font-weight:800;color:var(--green);line-height:1.1}
.float-card .float-label{font-size:.84rem;color:var(--muted);margin-top:4px}
.float-card .float-bar{height:6px;border-radius:6px;background:linear-gradient(90deg,var(--cyan),var(--lime));margin-top:14px}

/* ============ 通用板块 ============ */
.section{padding:82px 0}
.section--dark{background:var(--dark);color:#e9f2ee}
.section--dark h2,.section--dark h3{color:#fff}
.section--paper{background:#fff}
.section-head{max-width:760px;margin-bottom:46px}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.25rem);margin:16px 0 14px}
.section-head p{color:var(--muted);font-size:1.02rem}
.section--dark .section-head p{color:rgba(233,242,238,.74)}
.section--dark .eyebrow{color:var(--lime)}
.section--dark .eyebrow::before{background:linear-gradient(90deg,var(--lime),var(--cyan))}

/* 叠卡 */
.stack{display:flex;flex-direction:column;gap:20px}
.stack-card{
  display:grid;grid-template-columns:78px 1fr;gap:22px;align-items:start;
  padding:28px 30px;border-radius:var(--r-lg);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.stack-card:nth-child(2){margin-left:38px}
.stack-card:nth-child(3){margin-left:76px}
.stack-card:nth-child(4){margin-left:114px}
.stack-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(18,184,134,.45)}
.stack-index{
  width:58px;height:58px;border-radius:18px;
  display:grid;place-items:center;
  font-weight:800;font-size:1.02rem;
  color:#0c3327;background:linear-gradient(140deg,rgba(217,255,107,.85),rgba(18,184,134,.28));
  border:1px solid rgba(11,61,46,.1);
}
.stack-card h3{font-size:1.16rem;margin-bottom:8px}
.stack-card p{color:var(--muted);font-size:.96rem}

/* 图文说明 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split + .split{margin-top:64px}
.split-media{position:relative}
.split-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-xl);box-shadow:var(--shadow);
}
.split-media .media-badge{
  position:absolute;right:-14px;bottom:-14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 18px;box-shadow:var(--shadow);
  text-align:center;
}
.split-media .media-badge strong{display:block;font-size:1.3rem;color:var(--green);line-height:1.1}
.split-media .media-badge span{font-size:.76rem;color:var(--muted)}
.split-body h3{font-size:clamp(1.2rem,2vw,1.6rem);margin-bottom:16px}
.split-body p{color:var(--muted);margin-bottom:16px}
.check-list{display:flex;flex-direction:column;gap:12px;margin-top:22px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:.95rem;color:#33504a}
.check-list li::before{
  content:"";flex:0 0 20px;height:20px;margin-top:5px;border-radius:50%;
  background:linear-gradient(135deg,var(--cyan),var(--lime));
  box-shadow:0 0 0 3px rgba(18,184,134,.14);
}

/* 平台对照 */
.platform-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.platform-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.platform-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,107,53,.4)}
.platform-card h3{font-size:1.08rem;margin-bottom:6px}
.platform-card .plat-ver{font-size:.82rem;color:var(--muted);margin-bottom:16px}
.platform-card dl{margin:0;display:flex;flex-direction:column;gap:8px}
.platform-card dt{font-size:.78rem;color:var(--muted);letter-spacing:.04em}
.platform-card dd{margin:0;font-size:.94rem;font-weight:600;color:var(--green)}
.table-shell{margin-top:44px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);overflow:hidden}
.table-scroll{overflow-x:auto}
table.req{width:100%;border-collapse:collapse;min-width:720px}
table.req th,table.req td{padding:16px 22px;text-align:left;font-size:.92rem;border-bottom:1px solid var(--line)}
table.req thead th{background:rgba(18,184,134,.08);color:var(--green);font-weight:800;font-size:.84rem;letter-spacing:.05em}
table.req tbody tr:last-child td{border-bottom:0}
table.req tbody tr:hover{background:rgba(247,245,239,.9)}
table.req td:first-child{font-weight:700;color:var(--green)}

/* 安装流程 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{
  position:relative;padding:30px 24px 26px;
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.14);
  transition:transform .26s ease,border-color .26s ease,background .26s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(217,255,107,.6);background:rgba(255,255,255,.08)}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:1.6rem;font-weight:800;
  background:linear-gradient(135deg,var(--lime),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:12px;
}
.step h3{font-size:1.04rem;margin-bottom:8px}
.step p{font-size:.9rem;color:rgba(233,242,238,.72)}

/* 下载 CTA */
.dl-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  padding:56px;
  background:var(--brand); 
  color:#0c2a20;
}
.dl-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(11,61,46,.92) 0%,rgba(11,61,46,.62) 46%,rgba(11,61,46,.18) 100%);
}
.dl-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;color:#fff}
.dl-inner h2{color:#fff;font-size:clamp(1.6rem,2.8vw,2.3rem);margin:16px 0 14px}
.dl-inner p{color:rgba(255,255,255,.86)}
.dl-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.dl-meta{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.24);
  border-radius:var(--r-lg);padding:26px;
  backdrop-filter:blur(8px);
}
.dl-meta dl{margin:0;display:flex;flex-direction:column;gap:14px}
.dl-meta div{display:flex;justify-content:space-between;gap:16px;font-size:.9rem}
.dl-meta dt{color:rgba(255,255,255,.72)}
.dl-meta dd{margin:0;font-weight:700;color:#fff}
.dl-inner .eyebrow{color:var(--lime)}
.dl-inner .eyebrow::before{background:linear-gradient(90deg,var(--lime),#fff)}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:14px;max-width:920px}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:6px 22px;box-shadow:var(--shadow-sm);
  transition:border-color .24s ease,box-shadow .24s ease;
}
.faq details[open]{border-color:rgba(18,184,134,.45);box-shadow:var(--shadow)}
.faq summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:16px 0;font-weight:700;font-size:1.02rem;color:var(--green);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary .plus{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(18,184,134,.12);color:var(--green);
  font-weight:800;transition:transform .26s ease,background .26s ease;
}
.faq details[open] summary .plus{transform:rotate(45deg);background:var(--lime);color:#20401a}
.faq .answer{padding:0 0 20px;color:var(--muted);font-size:.95rem;max-width:74ch}

/* 相关入口 */
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.entry-card{
  display:grid;grid-template-columns:170px 1fr;gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(255,107,53,.42)}
.entry-card img{width:100%;height:100%;object-fit:cover}
.entry-body{padding:26px 26px 24px;display:flex;flex-direction:column;gap:10px}
.entry-body h3{font-size:1.12rem}
.entry-body p{font-size:.92rem;color:var(--muted)}
.entry-body .entry-link{margin-top:auto;font-weight:700;font-size:.92rem;display:inline-flex;align-items:center;gap:8px}
.entry-body .entry-link svg{width:15px;height:15px;transition:transform .24s ease}
.entry-card:hover .entry-link svg{transform:translateX(4px)}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(233,242,238,.72);padding:68px 0 30px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:42px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:12px}
.footer-brand strong{color:#fff;font-size:1.06rem;font-weight:800}
.footer-col h4{color:#fff;font-size:.94rem;margin-bottom:16px;letter-spacing:.04em}
.footer-col p{font-size:.9rem;line-height:1.8;max-width:40ch}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col ul a{color:rgba(233,242,238,.74);font-size:.9rem;transition:color .2s ease,padding-left .2s ease}
.footer-col ul a:hover{color:var(--lime);padding-left:4px}
.footer-bottom{
  margin-top:52px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  font-size:.84rem;color:rgba(233,242,238,.6);
}
.to-top{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-weight:700;font-size:.86rem}
.to-top svg{width:15px;height:15px}
.to-top:hover{color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .hero-inner{gap:40px}
  .platform-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .mega-panel{width:580px}
}
@media (max-width:992px){
  .nav{height:auto;padding:14px 0;flex-wrap:wrap}
  .nav-toggle-input,.burger{display:flex}
  .nav-toggle-input{display:none}
  .nav-links{
    order:5;flex-direction:column;align-items:stretch;gap:2px;
    width:100%;margin-left:0;padding:10px 0 4px;
    max-height:0;overflow:hidden;opacity:0;
    transition:max-height .3s ease,opacity .26s ease,padding .3s ease;
  }
  .nav-toggle-input:checked ~ .nav-links{max-height:340px;opacity:1;padding:12px 0 16px}
  .nav-links a{padding:13px 16px;border-radius:var(--r-sm);font-size:1rem}
  .nav-links a::after{display:none}
  .mega{display:none}
  .hero{padding:48px 0 62px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .float-card{left:16px;bottom:-18px}
  .split{grid-template-columns:1fr;gap:32px}
  .split + .split{margin-top:52px}
  .split.reverse .split-media{order:-1}
  .stack-card:nth-child(2),
  .stack-card:nth-child(3),
  .stack-card:nth-child(4){margin-left:0}
  .dl-card{padding:36px}
  .dl-inner{grid-template-columns:1fr;gap:30px}
  .entry-grid{grid-template-columns:1fr}
  .section{padding:64px 0}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 18px}
  .platform-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .stack-card{grid-template-columns:1fr;gap:14px;padding:24px 22px}
  .stack-index{width:50px;height:50px;border-radius:16px}
  .hero h1{font-size:clamp(1.75rem,7vw,2.4rem)}
  .hero-actions .btn{width:100%}
  .dl-actions .btn{width:100%}
  .entry-card{grid-template-columns:1fr}
  .entry-card img{height:180px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:520px){
  .brand-text strong{font-size:.98rem}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:52px 0}
  .dl-card{padding:26px 20px}
  .faq details{padding:4px 16px}
  .split-media .media-badge{right:10px;bottom:-12px}
}

/* roulang page: category2 */
:root{
  --brand:#0B3D2E;
  --brand-2:#12B886;
  --accent:#FF6B35;
  --lime:#D9FF6B;
  --bg:#F7F5EF;
  --dark:#111513;
  --ink:#12211C;
  --muted:#5C6B65;
  --line:rgba(11,61,46,.10);
  --card:#FFFFFF;
  --grad:linear-gradient(135deg,#0B3D2E 0%,#12B886 58%,#D9FF6B 100%);
  --r-xl:32px;
  --r-lg:26px;
  --r-md:20px;
  --r-sm:14px;
  --pill:999px;
  --shadow:0 12px 32px rgba(11,61,46,.08);
  --shadow-lg:0 26px 60px rgba(11,61,46,.16);
  --max:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--accent)}
button,input{font:inherit}
h1,h2,h3,h4{margin:0;line-height:1.24;font-weight:800;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}

.container{width:min(100% - 40px,var(--max));margin-inline:auto}
.section{padding:76px 0}
.section--tight{padding:52px 0}
.section-head{max-width:820px;margin-bottom:34px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-2);margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--grad);border-radius:2px}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.25rem);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:1.02rem}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:var(--pill);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;text-decoration:none;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn svg{width:17px;height:17px}
.btn--primary{
  background:linear-gradient(120deg,#0B3D2E 0%,#116B52 58%,#12B886 132%);
  color:#fff;box-shadow:0 10px 24px rgba(11,61,46,.26);
}
.btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(11,61,46,.32);filter:brightness(1.08)}
.btn--outline{border-color:rgba(11,61,46,.24);color:var(--brand);background:transparent}
.btn--outline:hover{background:rgba(18,184,134,.10);border-color:var(--brand-2);color:var(--brand);transform:translateY(-2px)}
.btn--light{background:#fff;color:var(--brand);border-color:transparent}
.btn--light:hover{color:var(--brand);transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.24)}
.btn--ghost-light{border-color:rgba(255,255,255,.42);color:#fff;background:rgba(255,255,255,.08)}
.btn--ghost-light:hover{color:#fff;background:rgba(255,255,255,.18);transform:translateY(-2px)}
.btn--sm{padding:11px 20px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.55;cursor:not-allowed;filter:saturate(.6)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--pill);
  font-size:12.5px;font-weight:700;letter-spacing:.01em;
  background:rgba(11,61,46,.06);color:var(--brand);
  border:1px solid var(--line);
}
.badge--lime{background:rgba(217,255,107,.44);border-color:rgba(11,61,46,.14);color:#26400F}
.badge--orange{background:rgba(255,107,53,.14);border-color:rgba(255,107,53,.28);color:#B2400F}
.badge--teal{background:rgba(18,184,134,.14);border-color:rgba(18,184,134,.30);color:#0A6B4D}
.badge-row{display:flex;flex-wrap:wrap;gap:8px}
.nums{font-variant-numeric:tabular-nums}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,239,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{position:relative;display:flex;align-items:center;gap:22px;min-height:78px}
.nav-toggle-input{display:none}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  border:2px solid transparent;
}
.brand-mark svg{width:20px;height:20px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:800;color:var(--brand);letter-spacing:-.01em}
.brand-text span{font-size:10.5px;letter-spacing:.18em;color:var(--muted);font-weight:700}

.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;padding:10px 15px;border-radius:var(--pill);
  font-size:15px;font-weight:600;color:var(--ink);
  transition:background .2s ease,color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;border-radius:2px;
  background:var(--grad);opacity:0;transform:scaleX(.4);transition:opacity .22s ease,transform .22s ease;
}
.nav-links a:hover{background:rgba(18,184,134,.10);color:var(--brand)}
.nav-links a.is-active{color:var(--brand);font-weight:800}
.nav-links a.is-active::after{opacity:1;transform:scaleX(1)}

.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.mega{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:var(--pill);
  border:1px solid var(--line);background:#fff;color:var(--brand);
  font-size:14px;font-weight:700;cursor:pointer;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.mega-trigger:hover{border-color:var(--brand-2);box-shadow:0 8px 18px rgba(11,61,46,.10)}
.caret{width:12px;height:12px;transition:transform .25s ease}
.mega:hover .caret,.mega.is-open .caret{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:640px;
  background:#fff;border:1px solid var(--line);border-radius:22px;
  box-shadow:var(--shadow-lg);padding:20px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:18px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s;z-index:90;
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel,.mega.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col-title{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--muted);margin-bottom:8px;text-transform:uppercase}
.mega-list a{
  display:block;padding:10px 12px;border-radius:14px;
  font-size:14.5px;font-weight:700;color:var(--ink);
  transition:background .2s ease,color .2s ease;
}
.mega-list a small{display:block;font-size:12.5px;font-weight:500;color:var(--muted);margin-top:2px}
.mega-list a:hover{background:rgba(18,184,134,.10);color:var(--brand)}
.mega-card{
  background:linear-gradient(160deg,rgba(18,184,134,.14),rgba(217,255,107,.34));
  border-radius:18px;padding:18px;display:flex;flex-direction:column;gap:14px;justify-content:space-between;
}
.mega-card strong{display:block;font-size:15px;color:var(--brand);margin-bottom:6px}
.mega-card p{font-size:13.5px;color:#33514A;line-height:1.65}
.burger{display:none;flex-direction:column;gap:5px;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand)}

/* ============ 面包屑 ============ */
.crumb{padding:22px 0 0}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted)}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:rgba(11,61,46,.3)}
.crumb a{color:var(--muted);font-weight:600}
.crumb a:hover{color:var(--brand-2)}
.crumb .current{color:var(--brand);font-weight:700}

/* ============ Hero ============ */
.hero{padding:26px 0 0}
.hero-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--brand);color:#fff;
  padding:clamp(30px,4.6vw,60px);
  box-shadow:0 30px 70px rgba(11,61,46,.22);
}
.hero-card::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.30;
}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(9,44,33,.95) 0%,rgba(9,44,33,.80) 46%,rgba(18,184,134,.38) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:clamp(24px,3.6vw,52px);align-items:center}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--pill);
  font-size:12.5px;font-weight:700;
  background:rgba(255,255,255,.14);border:1px solid rgba(217,255,107,.42);color:#EAFBD2;
}
.hero h1{font-size:clamp(2rem,4.2vw,3.35rem);color:#fff;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-lead{font-size:1.06rem;line-height:1.85;color:rgba(255,255,255,.86);max-width:640px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;
  padding-top:24px;border-top:1px solid rgba(255,255,255,.18);
}
.hero-stats div strong{display:block;font-size:clamp(1.25rem,2.4vw,1.75rem);font-weight:800;color:var(--lime);font-variant-numeric:tabular-nums}
.hero-stats div span{font-size:13px;color:rgba(255,255,255,.72)}
.hero-media{position:relative}
.hero-media img{border-radius:var(--r-md);box-shadow:0 24px 50px rgba(0,0,0,.4);aspect-ratio:4/3;object-fit:cover}
.float-badge{
  position:absolute;left:-14px;bottom:22px;
  background:#fff;color:var(--brand);border-radius:16px;padding:12px 16px;
  box-shadow:0 16px 34px rgba(0,0,0,.28);display:flex;align-items:center;gap:10px;
}
.float-badge strong{font-size:1.15rem;font-variant-numeric:tabular-nums}
.float-badge span{font-size:12.5px;color:var(--muted);font-weight:600}
.float-badge--top{top:18px;left:auto;right:-12px;bottom:auto;background:rgba(217,255,107,.95);}

/* ============ 标签筛选 ============ */
.filter-bar{
  display:flex;gap:10px;overflow-x:auto;padding:6px 4px 12px;
  scrollbar-width:thin;
}
.tab{
  flex:0 0 auto;padding:10px 18px;border-radius:var(--pill);
  border:1px solid var(--line);background:#fff;color:var(--muted);
  font-size:14px;font-weight:700;cursor:pointer;
  transition:all .2s ease;
}
.tab:hover{border-color:var(--brand-2);color:var(--brand)}
.tab.is-active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(11,61,46,.22)}

/* ============ 大卡网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(18,184,134,.38)}
.card.is-hide{display:none}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#E9E6DD}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.card:hover .card-media img{transform:scale(1.055)}
.card-media .badge{position:absolute;left:14px;top:14px;background:rgba(217,255,107,.94);color:#26400F;border-color:transparent}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:11px;flex:1}
.card-body h3{font-size:1.16rem;color:var(--ink)}
.card-body p{color:var(--muted);font-size:14.6px;line-height:1.78}
.card-meta{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;
}
.card-meta .meta-num{font-size:13px;font-weight:700;color:var(--brand-2);font-variant-numeric:tabular-nums}
.card-link{font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.card-link svg{width:15px;height:15px;transition:transform .22s ease}
.card:hover .card-link svg{transform:translateX(4px)}
.card-link:hover{color:var(--accent)}

/* ============ 能力指标（深色高对比） ============ */
.metrics{background:var(--dark);color:#fff;border-radius:var(--r-xl);padding:clamp(28px,4vw,52px)}
.metrics-head{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-end;justify-content:space-between;margin-bottom:34px}
.metrics-head h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2.1rem);margin-bottom:10px}
.metrics-head p{color:rgba(255,255,255,.68);max-width:600px;font-size:15px}
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.metric{
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-md);padding:22px;transition:border-color .24s ease,transform .24s ease;
}
.metric:hover{border-color:rgba(217,255,107,.5);transform:translateY(-3px)}
.metric strong{display:block;font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;color:var(--lime);font-variant-numeric:tabular-nums}
.metric span{display:block;font-size:13.5px;color:rgba(255,255,255,.72);margin-top:6px;line-height:1.6}
.meter{height:6px;border-radius:6px;background:rgba(255,255,255,.12);margin-top:14px;overflow:hidden}
.meter i{display:block;height:100%;border-radius:6px;background:var(--grad)}

/* ============ 对比清单 ============ */
.compare-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow)}
table.compare{width:100%;border-collapse:collapse;min-width:780px}
table.compare caption{text-align:left;padding:20px 24px 0;font-size:14px;color:var(--muted)}
table.compare th,table.compare td{padding:16px 22px;text-align:left;font-size:14.6px;border-bottom:1px solid var(--line)}
table.compare thead th{
  background:rgba(11,61,46,.045);color:var(--brand);font-weight:800;font-size:14px;
  letter-spacing:.02em;white-space:nowrap;
}
table.compare thead th:first-child{border-top-left-radius:var(--r-lg)}
table.compare thead th:last-child{border-top-right-radius:var(--r-lg)}
table.compare tbody tr:last-child td{border-bottom:none}
table.compare tbody tr:hover{background:rgba(18,184,134,.05)}
table.compare td:first-child{font-weight:700;color:var(--ink)}
table.compare td strong{color:var(--brand)}
.compare-note{margin-top:16px;font-size:13.5px;color:var(--muted)}

/* ============ 更新要点 ============ */
.news-list{display:grid;gap:16px}
.news-item{
  display:grid;grid-template-columns:112px 1fr auto;gap:22px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--shadow);
  transition:transform .24s ease,border-color .24s ease;
}
.news-item:hover{transform:translateX(4px);border-color:rgba(18,184,134,.36)}
.news-date{font-size:13px;font-weight:800;color:var(--brand-2);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.news-item h3{font-size:1.05rem;margin-bottom:6px}
.news-item p{font-size:14.4px;color:var(--muted);line-height:1.72}

/* ============ 评价墙 ============ */
.review-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.review{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px;
}
.review:nth-child(2n){transform:translateY(22px)}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  font-weight:800;color:#fff;font-size:16px;background:var(--grad);
}
.review-top strong{font-size:15px;display:block}
.review-top span{font-size:12.5px;color:var(--muted)}
.stars{display:flex;gap:3px;color:var(--accent);font-size:13px;letter-spacing:.08em}
.review p{font-size:14.8px;color:#31423C;line-height:1.8}
.review-foot{font-size:12.5px;color:var(--muted);display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.score-summary{
  margin-top:36px;display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  background:linear-gradient(135deg,rgba(18,184,134,.12),rgba(217,255,107,.30));
  border-radius:var(--r-md);padding:20px 24px;border:1px solid var(--line);
}
.score-summary strong{font-size:1.6rem;color:var(--brand);font-variant-numeric:tabular-nums}
.score-summary span{font-size:14px;color:#33514A}

/* ============ 下载 CTA ============ */
.download-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--brand);color:#fff;padding:clamp(30px,4.4vw,58px);
}
.download-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;opacity:.24;
}
.download-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(9,44,33,.95),rgba(9,44,33,.78) 52%,rgba(18,184,134,.40));
}
.download-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1.05fr;gap:36px;align-items:center}
.download-inner h2{color:#fff;font-size:clamp(1.5rem,2.7vw,2.15rem);margin-bottom:14px}
.download-inner p{color:rgba(255,255,255,.82);font-size:15px;line-height:1.8}
.platform-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.platform{
  display:flex;align-items:center;gap:14px;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-sm);padding:16px 18px;
  transition:background .22s ease,transform .22s ease,border-color .22s ease;
}
.platform:hover{background:rgba(255,255,255,.18);transform:translateY(-3px);border-color:rgba(217,255,107,.55)}
.platform-icon{
  width:40px;height:40px;border-radius:12px;background:rgba(217,255,107,.9);
  display:grid;place-items:center;color:#0B3D2E;font-weight:800;font-size:15px;flex-shrink:0;
}
.platform b{display:block;font-size:15px;color:#fff}
.platform small{font-size:12.5px;color:rgba(255,255,255,.7);font-variant-numeric:tabular-nums}
.download-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow);overflow:hidden;transition:border-color .24s ease;
}
.faq-item[open]{border-color:rgba(18,184,134,.4)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:20px 56px 20px 24px;position:relative;
  font-size:1.03rem;font-weight:800;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:24px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--brand-2);border-bottom:2px solid var(--brand-2);
  transform:translateY(-70%) rotate(45deg);transition:transform .26s ease;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-item .faq-answer{padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.85}
.faq-item .faq-answer strong{color:var(--brand)}

/* ============ 底部 CTA ============ */
.cta-card{
  background:linear-gradient(135deg,rgba(18,184,134,.14),rgba(217,255,107,.42));
  border:1px solid var(--line);border-radius:var(--r-xl);
  padding:clamp(28px,4vw,50px);text-align:center;
}
.cta-card h2{font-size:clamp(1.5rem,2.6vw,2.15rem);margin-bottom:14px}
.cta-card p{color:#33514A;max-width:660px;margin:0 auto 26px;font-size:15.4px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}

/* ============ 页脚 ============ */
.site-footer{background:#0E1A16;color:rgba(255,255,255,.76);margin-top:80px;padding:60px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.10)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:38px;height:38px;border-radius:12px;background-image:linear-gradient(#0E1A16,#0E1A16),var(--grad)}
.footer-brand strong{color:#fff;font-size:16px;font-weight:800}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;font-weight:800}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.70);transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:var(--lime);padding-left:4px}
.footer-bottom{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;padding-top:22px;font-size:13px;color:rgba(255,255,255,.56)}
.to-top{display:inline-flex;align-items:center;gap:6px;color:var(--lime);font-weight:700;font-size:13px}
.to-top svg{width:15px;height:15px}
.to-top:hover{color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .card-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1024px){
  .nav-links{gap:0}
  .nav-links a{padding:9px 11px;font-size:14.3px}
  .hero-inner{grid-template-columns:1fr;gap:30px}
  .hero-media{max-width:560px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .download-inner{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:900px){
  .nav{gap:14px}
  .nav-toggle-input{display:none}
  .burger{display:flex}
  .nav-links{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px rgba(11,61,46,.14);
    padding:14px;border-radius:0 0 22px 22px;
    max-height:0;overflow:hidden;opacity:0;visibility:hidden;
    transition:max-height .32s ease,opacity .24s ease,visibility .24s;
  }
  .nav-toggle-input:checked ~ .nav-links{max-height:340px;opacity:1;visibility:visible;overflow:auto}
  .nav-links a{padding:13px 14px;border-radius:14px;font-size:15px}
  .nav-links a.is-active{background:rgba(18,184,134,.12)}
  .nav-links a::after{display:none}
  .mega-panel{
    position:static;width:100%;grid-template-columns:1fr;
    opacity:1;visibility:visible;transform:none;
    display:none;box-shadow:none;border-radius:18px;
    border:1px solid var(--line);margin:6px 0 0;
  }
  .mega.is-open .mega-panel{display:grid}
  .mega-trigger{width:100%;justify-content:space-between}
  .nav-right{width:auto}
  .hero-stats{grid-template-columns:1fr 1fr;gap:16px}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:56px 0}
  .card-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .review:nth-child(2n){transform:none}
  .news-item{grid-template-columns:1fr;gap:8px}
  .platform-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .float-badge{left:8px;bottom:12px}
  .float-badge--top{right:8px}
}
@media (max-width:520px){
  .container{width:min(100% - 28px,var(--max))}
  .brand-text strong{font-size:14.5px}
  .brand-text span{font-size:9.5px;letter-spacing:.12em}
  .hero-stats{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:1fr}
  .news-item{padding:18px}
  .footer-grid{grid-template-columns:1fr}
  .hero-card{border-radius:24px;padding:24px 20px}
  .download-band{border-radius:24px;padding:26px 20px}
}