/* roulang page: index */
:root{
  --green:#174A3A;
  --green-deep:#0E3328;
  --orange:#D95D27;
  --lime:#C8F05A;
  --paper:#F4F1E8;
  --white:#FFFFFF;
  --grass:#E8EEE4;
  --ink:#16201B;
  --ink-2:#43524A;
  --ink-3:#6C7A72;
  --line:rgba(22,32,27,.12);
  --line-strong:rgba(22,32,27,.22);
  --ok:#2F7D57;
  --warn:#B86B1E;
  --err:#B64336;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --sh:0 12px 32px rgba(22,32,27,.08);
  --sh-h:0 20px 48px rgba(22,32,27,.14);
  --sh-nav:0 10px 30px rgba(22,32,27,.10);
  --container:1200px;
  --read:780px;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --serif:"Noto Serif SC","Source Han Serif SC",Georgia,serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.01em}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding-left:1.4em}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:6px}
::selection{background:var(--lime);color:var(--green-deep)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0;scroll-margin-top:110px}
.section--paper{background:var(--paper)}
.section--white{background:var(--white)}
.section--grass{background:var(--grass)}
.section--deep{background:var(--green);color:var(--paper)}
.section-head{max-width:760px;margin-bottom:48px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.18em;color:var(--orange);font-weight:700;margin-bottom:14px}
.section-head .eyebrow::before{content:"";width:26px;height:2px;background:var(--orange);display:block}
.section-head h2{font-size:clamp(1.9rem,3.6vw,2.75rem);line-height:1.25;font-weight:750;margin-bottom:16px}
.section-head p{color:var(--ink-2);font-size:17px;line-height:1.85;max-width:38em;margin:0}
.section--deep .section-head p{color:rgba(244,241,232,.78)}
.section--deep .section-head .eyebrow{color:var(--lime)}
.section--deep .section-head .eyebrow::before{background:var(--lime)}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:90;display:flex;justify-content:center;padding:0 20px}
.nav-inner{
  width:100%;max-width:var(--container);height:64px;
  display:flex;align-items:center;gap:16px;
  padding:0 10px 0 14px;
  border-radius:999px;
  background:rgba(244,241,232,.90);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--sh-nav);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled .nav-inner{background:rgba(244,241,232,.98);box-shadow:0 14px 34px rgba(22,32,27,.16)}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;min-height:44px}
.logo-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 36px;
  background:var(--green);color:var(--lime);
  display:grid;place-items:center;font-weight:800;font-size:15px;letter-spacing:-.5px;
  position:relative;overflow:hidden;
}
.logo-mark::after{content:"";position:absolute;left:-8px;bottom:-14px;width:34px;height:24px;border-radius:50%;border:2px solid rgba(200,240,90,.55)}
.logo-text{display:flex;flex-direction:column;line-height:1.12}
.logo-main{font-size:15px;font-weight:800;color:var(--ink)}
.logo-sub{font-size:10.5px;letter-spacing:.2em;color:var(--ink-3)}
.nav-links{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  padding:10px 14px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-2);
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--green);background:rgba(23,74,58,.07)}
.nav-links a.is-active{color:var(--green-deep);font-weight:750}
.nav-links a.is-active::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--lime);
  box-shadow:0 0 0 3px rgba(200,240,90,.35);
}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;background:var(--green);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(0) scale(.985)}
.btn-lime{background:var(--lime);color:var(--green-deep);box-shadow:0 8px 20px rgba(200,240,90,.35)}
.btn-lime:hover{background:#d7f873;transform:translateY(-2px);box-shadow:0 12px 26px rgba(200,240,90,.45)}
.btn-primary{background:var(--green);color:var(--paper)}
.btn-primary:hover{background:var(--orange);color:#fff;transform:translateY(-2px);box-shadow:var(--sh)}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--line-strong)}
.btn-ghost:hover{background:var(--grass);transform:translateY(-2px)}
.btn-outline-light{background:transparent;color:var(--paper);border-color:rgba(244,241,232,.4)}
.btn-outline-light:hover{background:rgba(244,241,232,.14);transform:translateY(-2px)}
.btn[disabled],.btn.is-loading{opacity:.62;cursor:not-allowed;transform:none}
.btn.is-loading::after{
  content:"";width:14px;height:14px;border-radius:50%;
  border:2px solid rgba(255,255,255,.45);border-top-color:#fff;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.nav-cta{flex-shrink:0;min-height:44px;padding:0 22px;font-size:14.5px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:50%;
  background:rgba(23,74,58,.08);border:1px solid var(--line);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--green);transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{
  position:fixed;top:88px;left:20px;right:20px;z-index:89;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-h);padding:14px;display:none;
  transform:translateY(-10px);opacity:0;pointer-events:none;
  transition:transform .25s ease,opacity .25s ease;
}
.mobile-panel.is-open{display:block;transform:translateY(0);opacity:1;pointer-events:auto}
.mobile-panel a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 16px;border-radius:14px;font-size:16px;font-weight:650;color:var(--ink);
}
.mobile-panel a:hover,.mobile-panel a.is-active{background:var(--grass);color:var(--green)}
.mobile-panel .mobile-cta{margin-top:10px}
.mobile-panel .mobile-cta .btn{width:100%}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:132px 0 76px;min-height:640px;
  background-color:var(--green-deep);
  background-image:
    linear-gradient(115deg,rgba(14,51,40,.94) 0%,rgba(14,51,40,.82) 46%,rgba(23,74,58,.62) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:var(--paper);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:repeating-linear-gradient(90deg,var(--lime) 0 28px,transparent 28px 56px);
  opacity:.55;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:36px;align-items:center;position:relative}
.hero-brand{
  display:inline-flex;align-items:center;gap:10px;
  padding:7px 16px 7px 10px;border-radius:999px;
  background:rgba(244,241,232,.12);border:1px solid rgba(244,241,232,.24);
  font-size:13.5px;letter-spacing:.06em;color:rgba(244,241,232,.9);margin-bottom:22px;
}
.hero-brand i{width:8px;height:8px;border-radius:50%;background:var(--lime);display:block}
.hero h1{
  font-size:clamp(2.4rem,5vw,4rem);line-height:1.18;font-weight:800;
  margin-bottom:20px;letter-spacing:-.01em;
}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-sub{font-size:18px;line-height:1.85;color:rgba(244,241,232,.84);max-width:34em;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}
.hero-badges span{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:rgba(244,241,232,.10);border:1px solid rgba(244,241,232,.22);color:rgba(244,241,232,.92);
}
.hero-badges span::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--lime)}
.hero-board{
  background:rgba(244,241,232,.97);color:var(--ink);
  border-radius:var(--r-lg);padding:26px 26px 22px;
  box-shadow:0 24px 60px rgba(6,24,18,.38);
  border:1px solid rgba(255,255,255,.4);
}
.hero-board h2{font-size:16px;font-weight:800;letter-spacing:.04em;margin-bottom:6px}
.hero-board .board-note{font-size:13px;color:var(--ink-3);margin-bottom:18px}
.board-row{display:flex;align-items:flex-start;gap:12px;padding:13px 0;border-top:1px solid var(--line)}
.board-row:first-of-type{border-top:0}
.board-key{
  flex:0 0 68px;font-size:12px;font-weight:700;letter-spacing:.1em;
  color:var(--green);background:var(--grass);border-radius:8px;text-align:center;padding:4px 0;margin-top:2px;
}
.board-val{font-size:14.5px;line-height:1.6;color:var(--ink-2)}
.board-val strong{display:block;font-size:15px;color:var(--ink);font-weight:750;margin-bottom:2px}
.board-foot{margin-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:16px}
.board-foot span{font-size:12.5px;color:var(--ink-3)}

/* ---------- 快捷锚点条 ---------- */
.anchor-wrap{background:var(--paper);padding:0 0 8px;margin-top:-30px;position:relative;z-index:5}
.anchor-bar{
  display:flex;align-items:center;gap:8px;overflow-x:auto;
  background:var(--white);border:1px solid var(--line);border-radius:999px;
  padding:10px 14px;box-shadow:var(--sh);scrollbar-width:none;
}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-bar a{
  flex:0 0 auto;padding:9px 18px;border-radius:999px;font-size:14px;font-weight:650;color:var(--ink-2);
  transition:background .2s ease,color .2s ease;
}
.anchor-bar a:hover{background:var(--grass);color:var(--green)}
.anchor-bar a.is-current{background:var(--green);color:var(--paper)}
.anchor-label{flex:0 0 auto;font-size:12px;letter-spacing:.16em;color:var(--ink-3);padding:0 8px 0 6px;border-right:1px solid var(--line);margin-right:4px}

/* ---------- 卖点 ---------- */
.adv-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.adv-intro h2{font-size:clamp(1.9rem,3.6vw,2.6rem);line-height:1.25;margin-bottom:16px}
.adv-intro p{color:var(--ink-2);line-height:1.85}
.adv-intro .adv-tip{
  margin-top:24px;padding:16px 18px;border-left:3px solid var(--orange);
  background:var(--grass);border-radius:0 var(--r-sm) var(--r-sm) 0;font-size:14.5px;color:var(--ink-2);
}
.adv-list{display:flex;flex-direction:column}
.adv-item{
  display:grid;grid-template-columns:76px 1fr;gap:22px;
  padding:26px 6px 26px 0;border-top:1px solid var(--line);
  transition:transform .22s ease,background .22s ease;
}
.adv-item:last-child{border-bottom:1px solid var(--line)}
.adv-item:hover{transform:translateX(4px)}
.adv-no{
  font-family:var(--sans);font-size:26px;font-weight:800;color:var(--green);
  font-variant-numeric:tabular-nums;line-height:1;letter-spacing:-.02em;
  padding-top:4px;
}
.adv-no small{display:block;font-size:11px;font-weight:700;letter-spacing:.18em;color:var(--ink-3);margin-top:8px}
.adv-body h3{font-size:20px;line-height:1.4;margin-bottom:8px;font-weight:750}
.adv-body p{margin:0;color:var(--ink-2);font-size:15.5px;line-height:1.8}
.adv-line{margin-top:14px;height:2px;width:56px;background:repeating-linear-gradient(90deg,var(--orange) 0 8px,transparent 8px 14px);opacity:.8}

/* ---------- 演示 ---------- */
.demo-grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center}
.browser-frame{
  background:#0b2a21;border:1px solid rgba(244,241,232,.22);border-radius:16px;
  padding:10px;box-shadow:0 24px 56px rgba(5,20,15,.42);
}
.browser-bar{display:flex;align-items:center;gap:7px;padding:4px 6px 12px}
.browser-bar i{width:9px;height:9px;border-radius:50%;background:rgba(244,241,232,.3);display:block}
.browser-bar i:nth-child(2){background:rgba(200,240,90,.6)}
.browser-bar span{margin-left:auto;font-size:11.5px;letter-spacing:.1em;color:rgba(244,241,232,.5)}
.browser-frame img{border-radius:12px;width:100%;aspect-ratio:16/10;object-fit:cover}
.demo-copy h2{font-size:clamp(1.9rem,3.6vw,2.6rem);line-height:1.25;margin-bottom:16px}
.demo-copy > p{color:rgba(244,241,232,.8);line-height:1.85;margin-bottom:26px}
.demo-items{list-style:none;padding:0;margin:0 0 30px;display:flex;flex-direction:column;gap:14px}
.demo-items li{
  display:grid;grid-template-columns:36px 1fr;gap:14px;align-items:start;
  padding:16px 18px;border-radius:14px;background:rgba(244,241,232,.07);
  border:1px solid rgba(244,241,232,.14);
}
.demo-items .d-ico{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:rgba(200,240,90,.16);color:var(--lime);font-size:15px;font-weight:800;
}
.demo-items strong{display:block;font-size:16px;margin-bottom:3px;color:var(--paper)}
.demo-items span{font-size:14.5px;line-height:1.7;color:rgba(244,241,232,.75)}

/* ---------- 证据 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);margin-bottom:48px}
.stat{padding:30px 24px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0;padding-left:0}
.stat b{
  display:block;font-size:clamp(2rem,3.4vw,2.7rem);font-weight:800;color:var(--green);
  font-variant-numeric:tabular-nums;line-height:1;letter-spacing:-.02em;margin-bottom:10px;
}
.stat b i{font-style:normal;font-size:.5em;font-weight:700;color:var(--orange);margin-left:4px}
.stat span{font-size:14px;color:var(--ink-2);line-height:1.6;display:block}
.proof-grid{display:grid;grid-template-columns:5fr 7fr;gap:28px;align-items:stretch}
.quote-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  padding:32px;box-shadow:var(--sh);display:flex;flex-direction:column;justify-content:space-between;
}
.quote-card .qmark{font-size:44px;line-height:1;color:var(--orange);font-family:var(--serif);margin-bottom:6px}
.quote-card blockquote{margin:0 0 22px;font-family:var(--serif);font-size:18px;line-height:1.9;color:var(--ink)}
.quote-card .qmeta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);border-top:1px solid var(--line);padding-top:16px}
.quote-card .qmeta i{width:26px;height:26px;border-radius:50%;background:var(--grass);display:grid;place-items:center;font-style:normal;font-size:12px;color:var(--green);font-weight:800}
.proof-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.proof-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh);transition:transform .22s ease,box-shadow .22s ease;
}
.proof-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.proof-card .pc-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;
  padding:4px 12px;border-radius:999px;background:var(--grass);color:var(--green);margin-bottom:14px;
}
.proof-card h3{font-size:18px;line-height:1.45;margin-bottom:10px;font-weight:750}
.proof-card p{margin:0;font-size:14.5px;line-height:1.75;color:var(--ink-2)}
.proof-card ul{margin:12px 0 0;padding-left:1.1em;font-size:14px;color:var(--ink-2);line-height:1.8}

/* ---------- 方案跑道 ---------- */
.plans-track{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh);
}
.plan{
  padding:34px 30px 30px;border-left:1px solid var(--line);position:relative;
  display:flex;flex-direction:column;transition:background .25s ease;
}
.plan:first-child{border-left:0}
.plan:hover{background:#fbfaf5}
.plan::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:repeating-linear-gradient(90deg,var(--green) 0 22px,transparent 22px 44px);opacity:.22;
}
.plan.is-featured::before{background:repeating-linear-gradient(90deg,var(--orange) 0 22px,transparent 22px 44px);opacity:.9}
.plan-no{
  font-size:12px;font-weight:800;letter-spacing:.18em;color:var(--orange);margin-bottom:12px;
}
.plan h3{font-size:22px;line-height:1.35;margin-bottom:10px;font-weight:800}
.plan .plan-for{font-size:14px;color:var(--ink-3);margin-bottom:18px}
.plan ul{list-style:none;padding:0;margin:0 0 24px;display:flex;flex-direction:column;gap:10px}
.plan ul li{position:relative;padding-left:22px;font-size:14.8px;line-height:1.65;color:var(--ink-2)}
.plan ul li::before{
  content:"";position:absolute;left:0;top:8px;width:10px;height:10px;border-radius:3px;
  border:2px solid var(--green);opacity:.55;
}
.plan .plan-note{font-size:13px;color:var(--ink-3);margin-bottom:22px;line-height:1.7}
.plan .btn{margin-top:auto;width:100%}

/* ---------- 最新信息 CMS ---------- */
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:28px;align-items:stretch}
.news-feature{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.news-feature .nf-media{position:relative;overflow:hidden}
.news-feature .nf-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease}
.news-feature:hover .nf-media img{transform:scale(1.03)}
.news-feature .nf-body{padding:26px 28px 28px;display:flex;flex-direction:column;flex:1}
.badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:12.5px;font-weight:700;padding:5px 14px;border-radius:999px;
  background:var(--grass);color:var(--green);margin-bottom:14px;
}
.badge--lime{background:var(--lime);color:var(--green-deep)}
.news-feature h3{font-size:clamp(1.25rem,2vw,1.6rem);line-height:1.42;font-weight:800;margin-bottom:12px}
.news-feature h3 a{transition:color .2s ease}
.news-feature h3 a:hover{color:var(--orange)}
.news-feature p{font-size:15.5px;line-height:1.8;color:var(--ink-2);margin-bottom:20px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--ink-3);margin-top:auto}
.meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong)}
.news-side{display:flex;flex-direction:column;gap:0;background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh);padding:8px 22px}
.news-mini{padding:20px 0;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.news-mini:first-child{border-top:0}
.news-mini .mini-top{display:flex;align-items:center;gap:10px}
.news-mini h3{font-size:16px;line-height:1.5;font-weight:750}
.news-mini h3 a{transition:color .2s ease}
.news-mini h3 a:hover{color:var(--orange)}
.news-mini p{margin:0;font-size:14px;line-height:1.7;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-mini .meta{font-size:12.5px;margin-top:2px}
.news-empty{
  background:var(--white);border:1px dashed var(--line-strong);border-radius:var(--r-md);
  padding:48px 28px;text-align:center;box-shadow:none;
}
.news-empty .empty-ico{
  width:52px;height:52px;margin:0 auto 16px;border-radius:16px;
  border:2px solid var(--line-strong);display:grid;place-items:center;color:var(--ink-3);font-size:20px;
}
.news-empty p{margin:0 0 14px;color:var(--ink-2);font-size:15.5px}
.news-empty a{font-size:14px;font-weight:700;color:var(--green);border-bottom:2px solid var(--lime);padding-bottom:2px}
.news-empty a:hover{color:var(--orange)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{border-top:1px solid var(--line-strong)}
.faq-item:last-child{border-bottom:1px solid var(--line-strong)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:18px;
  padding:22px 4px;font-size:17.5px;font-weight:750;line-height:1.6;color:var(--ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--green)}
.faq-item summary .plus{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;margin-left:auto;
  background:var(--grass);color:var(--green);display:grid;place-items:center;
  font-size:16px;font-weight:700;transition:transform .25s ease,background .25s ease;
}
.faq-item[open] summary .plus{transform:rotate(45deg);background:var(--lime)}
.faq-item[open] summary{color:var(--green-deep)}
.faq-answer{padding:0 4px 24px;font-size:16px;line-height:1.85;color:var(--ink-2);max-width:72em}
.faq-answer p{margin:0 0 .8em}
.faq-answer p:last-child{margin-bottom:0}

/* ---------- 最终 CTA + 表单 ---------- */
.cta-layout{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:start}
.cta-copy h2{font-size:clamp(1.9rem,3.6vw,2.7rem);line-height:1.25;margin-bottom:16px}
.cta-copy p{color:var(--ink-2);line-height:1.85;max-width:34em}
.cta-list{list-style:none;padding:0;margin:26px 0 0;display:flex;flex-direction:column;gap:12px}
.cta-list li{position:relative;padding-left:26px;font-size:15px;color:var(--ink-2)}
.cta-list li::before{
  content:"";position:absolute;left:0;top:7px;width:12px;height:12px;border-radius:4px;
  background:var(--lime);box-shadow:0 0 0 3px rgba(200,240,90,.28);
}
.form-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  padding:30px;box-shadow:var(--sh);max-width:520px;
}
.form-card h3{font-size:19px;margin-bottom:6px;font-weight:800}
.form-card .form-sub{font-size:13.5px;color:var(--ink-3);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:650;margin-bottom:8px;color:var(--ink)}
.field input,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border-radius:var(--r-sm);
  border:1px solid var(--line-strong);background:var(--paper);color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#98a49d}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--green);background:var(--white);
  box-shadow:0 0 0 4px rgba(200,240,90,.45);
}
.field.has-error input,.field.has-error textarea{border-color:var(--err);background:#fdf5f4}
.field .field-err{display:none;font-size:12.5px;color:var(--err);margin-top:6px}
.field.has-error .field-err{display:block}
.form-card .btn{width:100%;margin-top:4px}
.form-note{font-size:12.5px;line-height:1.7;color:var(--ink-3);margin-top:14px}
.form-msg{display:none;margin-bottom:16px;padding:12px 16px;border-radius:var(--r-sm);font-size:14px;line-height:1.7}
.form-msg.is-error{display:block;background:#fbeeec;color:var(--err);border-left:3px solid var(--err)}
.form-msg.is-success{display:block;background:#e9f5ee;color:var(--ok);border-left:3px solid var(--ok)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green-deep);color:rgba(244,241,232,.82);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:4fr 2.4fr 2.6fr 3fr;gap:40px;padding-bottom:48px}
.footer-brand .logo-main{color:var(--paper);font-size:17px}
.footer-brand .logo-sub{color:rgba(244,241,232,.55)}
.footer-brand p{margin:18px 0 0;font-size:14.5px;line-height:1.85;color:rgba(244,241,232,.7);max-width:26em}
.footer-col h4{font-size:14px;letter-spacing:.14em;color:var(--lime);margin-bottom:18px;font-weight:750}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14.5px;color:rgba(244,241,232,.78);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col a:hover{color:var(--lime);transform:translateX(3px)}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(244,241,232,.7);margin:0 0 10px}
.footer-bottom{
  border-top:1px solid rgba(244,241,232,.16);padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(244,241,232,.58);
}
.footer-bottom a{color:rgba(244,241,232,.7)}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;top:50%;transform:translateY(-50%);z-index:80;
  display:flex;align-items:center;gap:12px;
  padding:14px 20px;border-radius:999px;background:var(--green);color:var(--paper);
  box-shadow:0 16px 40px rgba(14,51,40,.34);border:1px solid rgba(244,241,232,.18);
  transition:transform .22s ease,background .22s ease,box-shadow .22s ease;
}
.float-cta:hover{transform:translateY(-50%) translateX(-4px);background:var(--green-deep);box-shadow:0 20px 48px rgba(14,51,40,.42)}
.float-cta .fc-text{display:flex;flex-direction:column;line-height:1.25}
.float-cta .fc-text strong{font-size:14.5px;font-weight:750}
.float-cta .fc-text span{font-size:11.5px;color:rgba(244,241,232,.66)}
.float-cta .fc-arrow{
  width:28px;height:28px;border-radius:50%;background:var(--lime);color:var(--green-deep);
  display:grid;place-items:center;font-size:14px;font-weight:800;
}
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:85;
  background:rgba(244,241,232,.97);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  gap:10px;
}
.mobile-bar .btn{flex:1;min-height:46px;font-size:15px;padding:0 12px}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .nav-links a{padding:10px 10px;font-size:14.5px}
  .hero-grid{gap:26px}
  .demo-grid{gap:36px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .hero{padding:112px 0 64px;min-height:auto}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-sub{font-size:17px}
  .adv-layout{grid-template-columns:1fr;gap:32px}
  .demo-grid{grid-template-columns:1fr;gap:32px}
  .proof-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .plans-track{grid-template-columns:1fr}
  .plan{border-left:0;border-top:1px solid var(--line)}
  .plan:first-child{border-top:0}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat{border-left:1px solid var(--line);padding:24px 18px}
  .stat:nth-child(odd){border-left:0;padding-left:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .cta-layout{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .float-cta{display:none}
  .mobile-bar{display:flex}
  body{padding-bottom:78px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .site-header{top:10px;padding:0 12px}
  .nav-inner{height:58px;padding:0 8px 0 12px;gap:10px}
  .logo-mark{width:32px;height:32px;flex-basis:32px;font-size:13.5px;border-radius:9px}
  .logo-main{font-size:13.5px}
  .logo-sub{font-size:9.5px;letter-spacing:.14em}
  .mobile-panel{top:76px;left:12px;right:12px;border-radius:20px}
  .hero{padding:98px 0 56px}
  .hero-board{padding:20px}
  .hero-board .board-row{flex-direction:column;gap:6px}
  .board-key{flex:none;width:78px}
  .hero-actions .btn{width:100%}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .adv-item{grid-template-columns:1fr;gap:10px;padding:22px 0}
  .adv-no small{display:inline;margin-left:8px}
  .proof-cards{grid-template-columns:1fr}
  .news-side{padding:6px 16px}
  .quote-card{padding:24px}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .anchor-label{display:none}
  .anchor-bar{padding:8px 10px}
  .anchor-bar a{padding:8px 14px;font-size:13.5px}
}
@media (max-width:479px){
  body{font-size:16px}
  .hero h1{font-size:2.1rem}
  .adv-intro h2,.demo-copy h2,.cta-copy h2,.section-head h2{font-size:1.65rem}
  .hero-badges span{font-size:12.5px;padding:7px 13px}
  .stat b{font-size:1.85rem}
  .mobile-bar .btn{font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --green:#174A3A;
  --green-deep:#0E3328;
  --orange:#D95D27;
  --lime:#C8F05A;
  --paper:#F4F1E8;
  --card:#FFFFFF;
  --mist:#E8EEE4;
  --ink:#16201B;
  --ink-2:#43524A;
  --ink-3:#6C7A72;
  --line:rgba(22,32,27,.12);
  --line-strong:rgba(22,32,27,.22);
  --ok:#2F7D57;
  --warn:#B86B1E;
  --err:#B64336;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --shadow-1:0 12px 32px rgba(22,32,27,.08);
  --shadow-2:0 20px 48px rgba(22,32,27,.14);
  --shadow-nav:0 10px 30px rgba(22,32,27,.10);
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --container:1200px;
  --read:780px;
  --space:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--green);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--orange);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 悬浮胶囊导航 ---------- */
.reading-progress{
  position:fixed;top:0;left:0;right:0;height:3px;
  background:transparent;z-index:70;pointer-events:none;
}
.reading-progress span{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--orange),var(--lime));
  border-radius:0 3px 3px 0;transition:width .12s linear;
}
.site-header{
  position:fixed;top:14px;left:0;right:0;z-index:60;
  padding:0 20px;
}
.nav-shell{
  max-width:var(--container);
  margin:0 auto;
  min-height:64px;
  display:flex;align-items:center;gap:20px;
  padding:8px 12px 8px 16px;
  background:rgba(244,241,232,.9);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--shadow-nav);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled .nav-shell{
  background:rgba(244,241,232,.98);
  box-shadow:0 14px 34px rgba(22,32,27,.16);
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--ink);flex-shrink:0;
}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--green);color:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:17px;letter-spacing:0;
  box-shadow:inset 0 0 0 1px rgba(200,240,90,.35);
}
.logo-text{display:flex;flex-direction:column;line-height:1.12;}
.logo-main{font-size:15px;font-weight:800;letter-spacing:.02em;}
.logo-sub{font-size:11px;color:var(--ink-3);letter-spacing:.16em;}
.nav-links{
  display:flex;align-items:center;gap:4px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 16px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:color .2s ease,background .2s ease;
  min-height:44px;
}
.nav-links a:hover{color:var(--green);background:rgba(23,74,58,.07);}
.nav-links a.is-active{color:var(--green);}
.nav-links a.is-active::before{
  content:"";width:7px;height:7px;border-radius:50%;
  background:var(--lime);box-shadow:0 0 0 3px rgba(200,240,90,.28);
}
.nav-links a.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:5px;height:2px;
  background:var(--green);border-radius:2px;opacity:.7;
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line-strong);background:var(--card);
  padding:0;align-items:center;justify-content:center;
}
.nav-toggle span{
  display:block;width:16px;height:2px;background:var(--ink);
  position:relative;border-radius:2px;transition:background .2s ease;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;
  background:var(--ink);border-radius:2px;transition:transform .22s ease,top .22s ease;
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}
.mobile-panel{
  display:none;
  max-width:var(--container);
  margin:10px auto 0;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-2);
  padding:12px;
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:12px 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;color:var(--ink);
}
.mobile-panel a:hover{background:var(--mist);color:var(--green);}
.mobile-panel .btn{justify-content:center;margin-top:8px;color:var(--green-deep);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--green);color:#F7F5EE;box-shadow:0 10px 24px rgba(23,74,58,.22);}
.btn-primary:hover{background:var(--orange);color:#1B1206;box-shadow:0 14px 30px rgba(217,93,39,.28);}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--line-strong);}
.btn-ghost:hover{background:var(--mist);color:var(--green);}
.btn-highlight{background:var(--lime);color:var(--green-deep);box-shadow:0 10px 24px rgba(200,240,90,.32);}
.btn-highlight:hover{background:#D7F772;color:var(--green-deep);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}

/* ---------- 页面骨架 ---------- */
.page-main{padding-top:118px;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);margin-bottom:26px;
}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover{color:var(--orange);}
.breadcrumb .sep{color:var(--line-strong);}
.breadcrumb .current{color:var(--ink-2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头部 ---------- */
.article-head{
  max-width:var(--read);
  margin:0 auto 34px;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 14px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
}
.badge-mist{background:var(--mist);color:var(--green);}
.badge-lime{background:var(--lime);color:var(--green-deep);}
.article-head h1{
  margin-top:18px;
  font-size:clamp(1.9rem,3.6vw,2.85rem);
  line-height:1.28;font-weight:800;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:18px;font-size:13.5px;color:var(--ink-3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong);}
.article-lead{
  margin-top:22px;
  font-family:var(--serif);
  font-size:18px;line-height:1.85;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  padding-left:18px;border-left:3px solid var(--lime);
}

/* ---------- 文章主体 8/4 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:56px;
  align-items:start;
  padding-bottom:24px;
}
.article-shell{min-width:0;}
.article-body{
  font-family:var(--serif);
  color:var(--ink-2);
  font-size:17.5px;
  line-height:1.9;
  overflow-wrap:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.1em;font-size:17.5px;line-height:1.9;}
.article-body h2{
  font-family:var(--sans);
  font-size:clamp(1.45rem,2.4vw,1.85rem);
  font-weight:750;line-height:1.35;color:var(--ink);
  margin:48px 0 16px;padding-top:4px;
  scroll-margin-top:110px;
}
.article-body h3{
  font-family:var(--sans);
  font-size:1.25rem;font-weight:700;line-height:1.4;color:var(--ink);
  margin:32px 0 12px;scroll-margin-top:110px;
}
.article-body h4{
  font-family:var(--sans);font-size:1.05rem;font-weight:700;color:var(--ink);margin:26px 0 10px;
}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:0 0 .55em;line-height:1.85;}
.article-body li::marker{color:var(--orange);}
.article-body blockquote{
  margin:28px 0;padding:18px 24px;
  background:var(--mist);
  border-left:4px solid var(--orange);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--ink-2);
  font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{
  color:var(--green);text-decoration:underline;
  text-underline-offset:3px;text-decoration-thickness:1px;
}
.article-body a:hover{color:var(--orange);}
.article-body img{
  width:100%;border-radius:16px;margin:26px 0 10px;
  border:1px solid var(--line);
}
.article-body figure{margin:26px 0;}
.article-body figcaption{
  font-family:var(--sans);font-size:13px;color:var(--ink-3);
  text-align:center;margin-top:8px;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;
  font-family:var(--sans);font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:12px 16px;text-align:left;
}
.article-body th{background:var(--mist);color:var(--green);font-weight:700;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:36px 0;}
.article-body strong{color:var(--ink);font-weight:700;}

/* ---------- 侧栏 ---------- */
.article-side{
  position:sticky;top:100px;
  display:flex;flex-direction:column;gap:18px;
}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px;
  box-shadow:var(--shadow-1);
}
.side-card h3{
  font-size:13px;font-weight:800;letter-spacing:.14em;
  color:var(--ink-3);margin-bottom:14px;
}
.toc-list li{margin-bottom:2px;}
.toc-list a{
  display:block;padding:8px 12px;border-radius:10px;
  font-size:14px;line-height:1.5;color:var(--ink-2);
  border-left:2px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.toc-list a:hover{background:var(--mist);color:var(--green);}
.toc-list a.is-current{
  color:var(--green);font-weight:700;background:var(--mist);
  border-left-color:var(--lime);
}
.toc-list .toc-sub a{padding-left:24px;font-size:13.5px;color:var(--ink-3);}
.side-cta{
  background:var(--green);
  border-radius:var(--r-md);
  padding:24px;
  color:#F1EFE6;
  box-shadow:var(--shadow-1);
}
.side-cta h3{color:#F1EFE6;font-size:17px;font-weight:800;letter-spacing:0;margin-bottom:8px;}
.side-cta p{font-size:13.5px;line-height:1.75;color:rgba(244,241,232,.78);margin-bottom:16px;}
.side-cta .btn{width:100%;}
.side-links li + li{margin-top:4px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:44px;padding:10px 12px;border-radius:10px;
  font-size:14px;font-weight:600;color:var(--ink-2);
  border-bottom:1px solid var(--line);
  transition:background .2s ease,color .2s ease,padding-left .2s ease;
}
.side-links li:last-child a{border-bottom:none;}
.side-links a::after{content:"→";color:var(--orange);font-weight:700;}
.side-links a:hover{background:var(--mist);color:var(--green);padding-left:16px;}

/* ---------- 空态 ---------- */
.empty-state{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:56px 32px;
  text-align:center;
  box-shadow:var(--shadow-1);
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  border:1px dashed var(--line-strong);
  display:flex;align-items:center;justify-content:center;
  color:var(--green);font-size:22px;font-weight:800;
}
.empty-state h2{font-size:1.4rem;margin-bottom:10px;}
.empty-state p{color:var(--ink-3);font-size:15px;margin-bottom:22px;}

/* ---------- 相关推荐 ---------- */
.related{
  margin-top:64px;padding-top:40px;
  border-top:1px solid var(--line);
}
.related h2{
  font-size:1.35rem;font-weight:800;margin-bottom:6px;
}
.related .related-sub{font-size:14px;color:var(--ink-3);margin-bottom:22px;}
.related-list{display:flex;flex-direction:column;gap:12px;}
.related-item{
  display:flex;align-items:center;gap:18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:18px 22px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
  border-color:rgba(23,74,58,.28);
}
.related-item .rel-main{flex:1;min-width:0;}
.related-item h3{
  font-size:16px;font-weight:700;line-height:1.45;margin-bottom:6px;color:var(--ink);
}
.related-item:hover h3{color:var(--green);}
.related-item p{
  font-size:13.5px;color:var(--ink-3);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.related-item .rel-meta{
  display:flex;flex-direction:column;align-items:flex-end;gap:6px;
  font-size:12.5px;color:var(--ink-3);flex-shrink:0;
}
.related-item .arrow{
  width:36px;height:36px;border-radius:50%;
  background:var(--mist);color:var(--green);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;flex-shrink:0;
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:28px;z-index:55;
  display:flex;flex-direction:column;gap:2px;
  padding:14px 22px;border-radius:999px;
  background:var(--green);color:#F7F5EE;
  box-shadow:0 16px 38px rgba(14,51,40,.32);
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.float-cta:hover{
  background:var(--green-deep);color:#F7F5EE;
  transform:translateY(-3px);
  box-shadow:0 22px 46px rgba(14,51,40,.38);
}
.float-cta strong{font-size:14px;font-weight:800;display:flex;align-items:center;gap:8px;}
.float-cta strong::after{content:"→";color:var(--lime);}
.float-cta span{font-size:11.5px;color:rgba(244,241,232,.72);letter-spacing:.04em;}
.mobile-bar{display:none;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:var(--green-deep);
  color:rgba(244,241,232,.86);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-mark{background:rgba(200,240,90,.14);color:var(--lime);}
.footer-brand .logo-main{color:#F4F1E8;}
.footer-brand .logo-sub{color:rgba(244,241,232,.55);}
.footer-brand p{font-size:13.5px;line-height:1.85;color:rgba(244,241,232,.68);max-width:34ch;}
.footer-col h4{
  font-size:13px;font-weight:800;letter-spacing:.14em;
  color:var(--lime);margin-bottom:16px;
}
.footer-col ul li + li{margin-top:10px;}
.footer-col a{font-size:14px;color:rgba(244,241,232,.78);}
.footer-col a:hover{color:var(--lime);}
.footer-col p{font-size:13.5px;line-height:1.8;color:rgba(244,241,232,.62);}
.footer-col p + p{margin-top:10px;}
.footer-bottom{
  border-top:1px solid rgba(244,241,232,.14);
  padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px 24px;
  align-items:center;justify-content:space-between;
  font-size:12.5px;color:rgba(244,241,232,.55);
}
.footer-bottom a{color:rgba(244,241,232,.72);}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .nav-shell{gap:12px;padding:8px 10px 8px 14px;}
  .nav-links a{padding:10px 12px;font-size:14px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:40px;}
}
@media (max-width:1023px){
  :root{--space:72px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-highlight{display:none;}
  .page-main{padding-top:104px;}
  .article-layout{grid-template-columns:1fr;gap:36px;}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap;}
  .article-side > *{flex:1 1 280px;}
  .article-head{max-width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--space:52px;}
  .container{padding:0 18px;}
  .site-header{top:10px;padding:0 12px;}
  .nav-shell{min-height:58px;padding:6px 8px 6px 12px;}
  .logo-mark{width:34px;height:34px;border-radius:10px;font-size:15px;}
  .logo-main{font-size:14px;}
  .logo-sub{font-size:10px;letter-spacing:.12em;}
  .page-main{padding-top:92px;}
  .article-head h1{font-size:1.72rem;}
  .article-lead{font-size:16px;-webkit-line-clamp:4;}
  .article-body,.article-body p{font-size:16.5px;}
  .article-body h2{margin-top:38px;}
  .article-side{flex-direction:column;}
  .float-cta{display:none;}
  .mobile-bar{
    display:flex;gap:10px;
    position:fixed;left:0;right:0;bottom:0;z-index:58;
    padding:10px 14px calc(10px + env(safe-area-inset-bottom));
    background:rgba(244,241,232,.96);
    -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
    border-top:1px solid var(--line);
  }
  .mobile-bar .btn{flex:1;height:46px;padding:0 12px;font-size:14px;}
  .site-footer{padding-bottom:64px;}
  .related-item{flex-wrap:wrap;gap:12px;}
  .related-item .rel-meta{align-items:flex-start;flex-direction:row;gap:12px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .article-head h1{font-size:1.5rem;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .breadcrumb{font-size:12px;}
  .side-card{padding:18px;}
  .empty-state{padding:40px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --green:#174A3A;
  --green-deep:#0E3328;
  --orange:#D95D27;
  --lime:#C8F05A;
  --paper:#F4F1E8;
  --white:#FFFFFF;
  --grass:#E8EEE4;
  --ink:#16201B;
  --ink-2:#43524A;
  --ink-3:#6C7A72;
  --line:rgba(22,32,27,.12);
  --line-strong:rgba(22,32,27,.22);
  --success:#2F7D57;
  --warn:#B86B1E;
  --error:#B64336;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-1:0 12px 32px rgba(22,32,27,.08);
  --shadow-2:0 20px 48px rgba(22,32,27,.14);
  --shadow-nav:0 10px 30px rgba(22,32,27,.10);
  --container:1200px;
  --read:780px;
  --gap:24px;
  --space-section:96px;
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--green);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:hover{color:var(--orange);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:.2px;}
h1{font-size:clamp(2.4rem,5vw,4rem);line-height:1.18;font-weight:800;}
h2{font-size:clamp(1.9rem,3.6vw,2.75rem);line-height:1.25;font-weight:750;}
h3{font-size:clamp(1.25rem,2vw,1.6rem);line-height:1.35;}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.1em;padding-left:1.3em;}
li{margin-bottom:.45em;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 28px;
}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ---------- 顶部导航 ---------- */
.nav-shell{
  position:sticky;
  top:14px;
  z-index:60;
  padding:0 20px;
  transition:top .25s ease;
}
.nav-inner{
  max-width:var(--container);
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:0 12px 0 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(244,241,232,.9);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:var(--shadow-nav);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.nav-shell.is-scrolled .nav-inner{
  background:rgba(244,241,232,.98);
  box-shadow:0 12px 34px rgba(22,32,27,.14);
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--ink);
}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--green);
  color:var(--lime);
  font-size:17px;
  font-weight:800;
  letter-spacing:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-main{font-size:15px;font-weight:800;letter-spacing:.5px;color:var(--ink);}
.logo-sub{font-size:11px;letter-spacing:1.2px;color:var(--ink-3);}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  padding:0;
  margin:0;
  list-style:none;
}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 16px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  white-space:nowrap;
}
.nav-links a:hover{background:var(--grass);color:var(--green);}
.nav-links a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:7px;
  width:0;
  height:2px;
  border-radius:2px;
  background:var(--green);
  transform:translateX(-50%);
  transition:width .2s ease;
}
.nav-links a.is-active{color:var(--green);}
.nav-links a.is-active::before{
  content:"";
  position:absolute;
  top:9px;
  left:50%;
  width:5px;height:5px;
  border-radius:50%;
  background:var(--lime);
  transform:translateX(-50%);
}
.nav-links a.is-active::after{width:20px;}
.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 22px;
  border-radius:999px;
  background:var(--lime);
  color:var(--green-deep);
  font-size:14.5px;
  font-weight:800;
  border:1px solid rgba(22,32,27,.08);
  white-space:nowrap;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.nav-cta:hover{
  background:var(--green);
  color:var(--paper);
  transform:translateY(-2px);
  box-shadow:var(--shadow-nav);
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--white);
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--green-deep);
  transition:transform .22s ease,opacity .22s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-panel{
  display:none;
  max-width:var(--container);
  margin:10px auto 0;
  padding:14px;
  border-radius:var(--radius-md);
  background:var(--white);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 16px;
  border-radius:var(--radius-sm);
  font-size:16px;
  font-weight:600;
  color:var(--ink-2);
}
.mobile-panel a:hover,.mobile-panel a:focus-visible{background:var(--grass);color:var(--green);}
.mobile-panel .nav-cta{
  width:100%;
  margin-top:10px;
  height:48px;
  color:var(--green-deep);
}

/* ---------- 面包屑 ---------- */
.crumb-bar{
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:16px 0;
  font-size:13.5px;
  color:var(--ink-3);
}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--orange);}
.crumb .sep{color:var(--line-strong);}
.crumb .cur{color:var(--green);font-weight:700;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  background:var(--green-deep);
  color:var(--paper);
  padding:76px 0 84px;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.42;
  filter:saturate(.9);
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(900px 420px at 12% 0%,rgba(23,74,58,.72),transparent 68%),
    linear-gradient(180deg,rgba(14,51,40,.82) 0%,rgba(14,51,40,.9) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:44px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(200,240,90,.16);
  border:1px solid rgba(200,240,90,.4);
  color:var(--lime);
  font-size:13px;
  font-weight:700;
  letter-spacing:.6px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);}
.hero h1{
  color:var(--paper);
  margin:20px 0 18px;
  max-width:14em;
}
.hero h1 .accent{color:var(--lime);}
.hero-lead{
  max-width:34em;
  font-size:17.5px;
  line-height:1.9;
  color:rgba(244,241,232,.86);
  font-family:var(--font-serif);
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  background:rgba(244,241,232,.12);
  border:1px solid rgba(244,241,232,.26);
  color:var(--paper);
}
.chip i{
  width:6px;height:6px;border-radius:50%;
  background:var(--lime);font-style:normal;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.entry-board{
  background:var(--white);
  color:var(--ink);
  border-radius:var(--radius-lg);
  padding:26px;
  box-shadow:var(--shadow-2);
  border:1px solid rgba(244,241,232,.5);
}
.entry-board h2{
  font-size:18px;
  font-weight:800;
  letter-spacing:.4px;
  margin-bottom:6px;
}
.entry-board .board-note{
  font-size:13.5px;
  color:var(--ink-3);
  margin-bottom:18px;
}
.board-list{
  list-style:none;
  margin:0;
  padding:0;
}
.board-list li{
  display:flex;
  gap:12px;
  padding:13px 0;
  border-top:1px solid var(--line);
  font-size:14.5px;
  color:var(--ink-2);
  margin:0;
}
.board-list li:first-child{border-top:0;padding-top:0;}
.board-list .num{
  flex:0 0 26px;
  height:26px;
  border-radius:8px;
  display:grid;place-items:center;
  background:var(--grass);
  color:var(--green);
  font-size:12.5px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
}
.board-list strong{display:block;color:var(--ink);font-size:14.5px;font-weight:700;}
.board-list span.tip{font-size:13px;color:var(--ink-3);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:48px;
  padding:0 26px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15.5px;
  font-weight:700;
  white-space:nowrap;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--green);color:var(--paper);}
.btn-primary:hover{background:var(--orange);color:#1B1206;transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-ghost{background:transparent;color:var(--paper);border-color:rgba(244,241,232,.5);}
.btn-ghost:hover{background:rgba(244,241,232,.14);color:var(--paper);transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--green);border-color:var(--line-strong);}
.btn-outline:hover{background:var(--grass);color:var(--green-deep);transform:translateY(-2px);}
.btn-lime{background:var(--lime);color:var(--green-deep);}
.btn-lime:hover{background:var(--green);color:var(--paper);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn:active{transform:translateY(0);}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;}
.btn .arrow{font-size:16px;line-height:1;}

/* ---------- 快捷信息条 ---------- */
.quickbar{
  background:var(--paper);
  padding:0 0 8px;
  margin-top:-34px;
  position:relative;
  z-index:5;
}
.quickbar-inner{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.quick-item{
  padding:22px 24px;
  border-left:1px solid var(--line);
}
.quick-item:first-child{border-left:0;}
.quick-item .k{
  display:block;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:1px;
  color:var(--orange);
  margin-bottom:6px;
}
.quick-item .v{
  display:block;
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:4px;
}
.quick-item .d{font-size:13.5px;color:var(--ink-3);line-height:1.7;}

/* ---------- 板块通用 ---------- */
.section{padding:var(--space-section) 0;}
.section-head{max-width:var(--read);margin-bottom:44px;}
.section-head h2{margin-bottom:14px;}
.section-head p{font-size:16.5px;color:var(--ink-2);max-width:36em;margin-bottom:0;}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12.5px;
  font-weight:800;
  letter-spacing:2px;
  color:var(--orange);
  margin-bottom:14px;
}
.kicker::before{
  content:"";
  width:26px;height:2px;
  background:var(--orange);
  border-radius:2px;
}
.section--paper{background:var(--paper);}
.section--grass{background:var(--grass);}
.section--white{background:var(--white);}

/* ---------- 步骤时间线 ---------- */
.timeline{
  display:grid;
  gap:20px;
  position:relative;
}
.step{
  display:grid;
  grid-template-columns:96px minmax(0,1fr);
  gap:24px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:26px 28px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.step-rail{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:10px;
}
.step-num{
  width:56px;height:56px;
  border-radius:16px;
  display:grid;place-items:center;
  background:var(--green);
  color:var(--lime);
  font-size:20px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
}
.step-line{
  flex:1;
  width:2px;
  min-height:26px;
  border-radius:2px;
  background:repeating-linear-gradient(180deg,var(--line-strong) 0 6px,transparent 6px 12px);
}
.step:last-child .step-line{display:none;}
.step-body h3{margin-bottom:8px;font-size:21px;}
.step-body p{font-size:15.5px;color:var(--ink-2);margin-bottom:14px;line-height:1.85;}
.step-meta{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:999px;
  background:var(--grass);
  color:var(--green);
  font-size:12.5px;
  font-weight:700;
}
.tag--lime{background:rgba(200,240,90,.55);color:var(--green-deep);}

/* ---------- 检查清单 ---------- */
.check-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);
  gap:40px;
  align-items:start;
}
.check-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:30px;
  box-shadow:var(--shadow-1);
}
.check-list{list-style:none;margin:0;padding:0;}
.check-list li{
  display:flex;
  gap:14px;
  align-items:flex-start;
  padding:14px 0;
  border-top:1px dashed var(--line);
  font-size:15.5px;
  color:var(--ink-2);
  line-height:1.8;
  margin:0;
}
.check-list li:first-child{border-top:0;padding-top:0;}
.check-box{
  flex:0 0 22px;
  width:22px;height:22px;
  margin-top:4px;
  border-radius:7px;
  border:1.5px solid var(--line-strong);
  display:grid;place-items:center;
  background:var(--grass);
  color:var(--green);
  font-size:12px;
  font-weight:800;
}
.check-list strong{color:var(--ink);font-weight:700;}
.notice{
  border-radius:var(--radius-md);
  padding:22px 24px;
  font-size:15px;
  line-height:1.85;
  margin-bottom:18px;
  border:1px solid var(--line);
}
.notice-info{
  background:var(--grass);
  border-left:4px solid var(--green);
  color:var(--ink-2);
}
.notice-warn{
  background:#FBEDE2;
  border-left:4px solid var(--orange);
  color:#6A3418;
}
.notice h3{font-size:17px;margin-bottom:8px;}
.notice p:last-child{margin-bottom:0;}

/* ---------- 相关链接 ---------- */
.link-cards{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
}
.link-card{
  display:flex;
  gap:18px;
  align-items:center;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:20px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  color:var(--ink);
}
.link-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
  border-color:var(--line-strong);
  color:var(--ink);
}
.link-card .thumb{
  flex:0 0 108px;
  width:108px;height:84px;
  border-radius:var(--radius-sm);
  overflow:hidden;
  background:var(--grass);
}
.link-card .thumb img{width:100%;height:100%;object-fit:cover;}
.link-card .txt{min-width:0;}
.link-card .txt h3{font-size:17px;margin-bottom:6px;}
.link-card .txt p{font-size:13.5px;color:var(--ink-3);margin-bottom:8px;line-height:1.7;}
.link-card .go{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13.5px;
  font-weight:700;
  color:var(--green);
}
.link-card:hover .go{color:var(--orange);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  border-top:1px solid var(--line-strong);
  transition:background-color .2s ease;
}
.faq-item:last-of-type{border-bottom:1px solid var(--line-strong);}
.faq-item summary{
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 4px;
  font-size:17.5px;
  font-weight:700;
  color:var(--ink);
  cursor:pointer;
  min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--green);}
.faq-item summary .plus{
  flex:0 0 30px;
  width:30px;height:30px;
  border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line-strong);
  color:var(--green);
  font-size:18px;
  line-height:1;
  transition:transform .22s ease,background-color .22s ease,color .22s ease;
}
.faq-item[open] summary .plus{
  transform:rotate(45deg);
  background:var(--green);
  color:var(--lime);
  border-color:var(--green);
}
.faq-item .answer{
  padding:0 4px 24px;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:72em;
  background:transparent;
}
.faq-item[open]{background:rgba(232,238,228,.5);border-radius:var(--radius-sm);}
.faq-item[open] summary{padding-left:14px;padding-right:14px;}
.faq-item[open] .answer{padding-left:14px;padding-right:14px;}

/* ---------- CTA + 表单 ---------- */
.cta-band{
  background:var(--green);
  color:var(--paper);
  border-radius:var(--radius-lg);
  padding:52px;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,440px);
  gap:48px;
  align-items:start;
  box-shadow:var(--shadow-2);
}
.cta-band h2{color:var(--paper);margin-bottom:16px;max-width:12em;}
.cta-band p{color:rgba(244,241,232,.82);font-size:16px;max-width:32em;}
.cta-points{list-style:none;padding:0;margin:24px 0 0;}
.cta-points li{
  display:flex;
  gap:10px;
  font-size:14.5px;
  color:rgba(244,241,232,.86);
  margin-bottom:10px;
}
.cta-points i{
  flex:0 0 18px;
  width:18px;height:18px;
  margin-top:6px;
  border-radius:6px;
  background:rgba(200,240,90,.22);
  color:var(--lime);
  display:grid;place-items:center;
  font-size:10px;
  font-style:normal;
}
.form-card{
  background:var(--white);
  color:var(--ink);
  border-radius:var(--radius-md);
  padding:26px;
  box-shadow:var(--shadow-1);
}
.form-card h3{font-size:18px;margin-bottom:6px;}
.form-card .form-note{font-size:13.5px;color:var(--ink-3);margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:13.5px;
  font-weight:700;
  color:var(--ink-2);
  margin-bottom:7px;
}
.field input,.field textarea,.field select{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line-strong);
  background:var(--paper);
  color:var(--ink);
  line-height:1.5;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field textarea{min-height:96px;resize:vertical;}
.field input:hover,.field textarea:hover,.field select:hover{border-color:var(--green);}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;
  border-color:var(--green);
  background:var(--white);
  box-shadow:0 0 0 4px rgba(200,240,90,.45);
}
.field .hint{font-size:12.5px;color:var(--ink-3);margin-top:6px;}
.form-card .btn{width:100%;margin-top:4px;}
.privacy-note{
  font-size:12.5px;
  color:var(--ink-3);
  margin-top:12px;
  line-height:1.7;
}
.form-status{font-size:13.5px;margin-top:10px;display:none;}
.form-status.is-error{display:block;color:var(--error);}
.form-status.is-success{display:block;color:var(--success);background:rgba(47,125,87,.1);padding:10px 12px;border-radius:10px;}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:26px;
  bottom:30px;
  z-index:70;
  display:inline-flex;
  flex-direction:column;
  align-items:flex-start;
  gap:2px;
  padding:13px 22px;
  border-radius:999px;
  background:var(--green-deep);
  color:var(--paper);
  border:1px solid rgba(200,240,90,.35);
  box-shadow:0 16px 36px rgba(14,51,40,.32);
  transition:transform .2s ease,background-color .2s ease;
}
.float-cta:hover{background:var(--green);color:var(--paper);transform:translateY(-3px);}
.float-cta .l1{font-size:14.5px;font-weight:800;display:flex;align-items:center;gap:8px;}
.float-cta .l2{font-size:11.5px;color:rgba(244,241,232,.7);letter-spacing:.4px;}
.float-bar{display:none;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--green-deep);
  color:rgba(244,241,232,.85);
  padding:64px 0 26px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-main{color:var(--paper);}
.footer-brand .logo-sub{color:rgba(244,241,232,.6);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(244,241,232,.7);max-width:30em;margin:0;}
.footer-col h4{
  font-size:14px;
  letter-spacing:1px;
  color:var(--lime);
  margin-bottom:16px;
  font-weight:800;
}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(244,241,232,.78);}
.footer-col a:hover{color:var(--lime);}
.footer-col p{font-size:13.5px;line-height:1.8;color:rgba(244,241,232,.66);margin:0 0 12px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  justify-content:space-between;
  align-items:center;
  padding-top:22px;
  border-top:1px solid rgba(244,241,232,.16);
  font-size:13px;
  color:rgba(244,241,232,.6);
}
.footer-bottom a{color:rgba(244,241,232,.72);}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .nav-links a{padding:0 12px;font-size:14.5px;}
  .container{padding:0 24px;}
  :root{--space-section:80px;}
}
@media (max-width:1023px){
  .nav-links,.nav-inner > .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-shell{top:10px;}
  .hero{padding:60px 0 70px;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .entry-board{max-width:560px;}
  .quickbar-inner{grid-template-columns:repeat(2,1fr);}
  .quick-item:nth-child(3){border-left:0;}
  .quick-item:nth-child(3),.quick-item:nth-child(4){border-top:1px solid var(--line);}
  .check-wrap{grid-template-columns:minmax(0,1fr);gap:28px;}
  .step{grid-template-columns:76px minmax(0,1fr);gap:18px;padding:22px;}
  .step-num{width:48px;height:48px;font-size:18px;border-radius:14px;}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:40px;gap:32px;}
  .link-cards{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  :root{--space-section:72px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .nav-shell{padding:0 14px;top:8px;}
  .nav-inner{height:58px;padding:0 10px 0 12px;}
  .logo-mark{width:32px;height:32px;border-radius:10px;font-size:15px;}
  .logo-main{font-size:14px;}
  .logo-sub{font-size:10px;letter-spacing:1px;}
  .hero{padding:44px 0 72px;}
  .hero-lead{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .quickbar{margin-top:-26px;}
  .quickbar-inner{grid-template-columns:minmax(0,1fr);}
  .quick-item{border-left:0;border-top:1px solid var(--line);padding:18px 20px;}
  .quick-item:first-child{border-top:0;}
  .section-head{margin-bottom:30px;}
  .step{grid-template-columns:minmax(0,1fr);gap:14px;}
  .step-rail{flex-direction:row;align-items:center;gap:12px;}
  .step-line{flex:1;width:auto;height:2px;min-height:0;background:repeating-linear-gradient(90deg,var(--line-strong) 0 6px,transparent 6px 12px);}
  .link-card{flex-direction:column;align-items:flex-start;}
  .link-card .thumb{width:100%;height:150px;flex:none;}
  .cta-band{padding:28px;border-radius:var(--radius-md);}
  .form-card{padding:20px;}
  .faq-item summary{font-size:16px;padding:18px 2px;gap:14px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .float-cta{display:none;}
  .float-bar{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:10px;
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:70;
    padding:10px 14px calc(10px + env(safe-area-inset-bottom));
    background:rgba(244,241,232,.96);
    border-top:1px solid var(--line);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
  }
  .float-bar a{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:46px;
    border-radius:999px;
    font-size:15px;
    font-weight:700;
  }
  .float-bar a:first-child{background:var(--green);color:var(--paper);}
  .float-bar a:last-child{background:var(--white);color:var(--green);border:1px solid var(--line-strong);}
  .site-footer{padding-bottom:96px;}
  :root{--space-section:56px;}
}
@media (max-width:479px){
  .container{padding:0 18px;}
  h1{font-size:clamp(2rem,8.4vw,2.6rem);}
  .hero{padding:36px 0 68px;}
  .chip{font-size:12px;padding:6px 12px;}
  .entry-board{padding:20px;}
  .cta-band{padding:22px;}
  .btn{padding:0 20px;font-size:15px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --green:#174A3A;
  --green-deep:#0E3328;
  --orange:#D95D27;
  --lime:#C8F05A;
  --paper:#F4F1E8;
  --white:#FFFFFF;
  --grass:#E8EEE4;
  --ink:#16201B;
  --ink-2:#43524A;
  --ink-3:#6C7A72;
  --line:rgba(22,32,27,.12);
  --line-strong:rgba(22,32,27,.22);
  --ok:#2F7D57;
  --warn:#B86B1E;
  --err:#B64336;
  --r-xl:24px;
  --r-lg:18px;
  --r-img:16px;
  --r-sm:12px;
  --sh:0 12px 32px rgba(22,32,27,.08);
  --sh-hover:0 20px 48px rgba(22,32,27,.14);
  --sh-nav:0 10px 30px rgba(22,32,27,.10);
  --w:1200px;
  --w-read:780px;
  --w-narrow:960px;
  --gap:24px;
  --pad-desk:96px;
  --pad-tab:72px;
  --pad-mob:52px;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  padding-top:104px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--green);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--orange);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:.01em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--w);
  margin:0 auto;
  padding:0 24px;
}
.container-narrow{max-width:var(--w-narrow);}

/* ------- 导航 ------- */
.site-header{
  position:fixed;
  top:14px;
  left:0;
  right:0;
  z-index:120;
  display:flex;
  justify-content:center;
  padding:0 16px;
  pointer-events:none;
}
.nav-shell{
  pointer-events:auto;
  width:100%;
  max-width:var(--w);
  background:rgba(244,241,232,.90);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--sh-nav);
  transition:background .25s ease,box-shadow .25s ease;
}
.nav-shell.is-scrolled{
  background:rgba(244,241,232,.98);
  box-shadow:0 12px 34px rgba(22,32,27,.16);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  height:64px;
  padding:0 12px 0 18px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  flex:0 0 auto;
}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:36px;height:36px;
  flex:0 0 36px;
  display:grid;place-items:center;
  background:var(--green);
  color:var(--paper);
  border-radius:12px;
  font-size:16px;
  font-weight:800;
  letter-spacing:.04em;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-main{font-size:15px;font-weight:800;letter-spacing:.02em;}
.logo-sub{font-size:11px;color:var(--ink-3);letter-spacing:.14em;}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 16px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  transition:color .2s ease,background .2s ease;
}
.nav-links a::before{
  content:"";
  position:absolute;
  left:16px;
  top:50%;
  width:5px;height:5px;
  border-radius:50%;
  background:var(--lime);
  transform:translateY(-50%) scale(0);
  transition:transform .2s ease;
}
.nav-links a:hover{color:var(--ink);background:rgba(232,238,228,.85);}
.nav-links a.is-active{
  color:var(--green);
  background:rgba(200,240,90,.28);
}
.nav-links a.is-active::before{transform:translateY(-50%) scale(1);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 26px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  cursor:pointer;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  text-align:center;
}
.btn-primary{background:var(--green);color:var(--paper);box-shadow:0 8px 20px rgba(23,74,58,.20);}
.btn-primary:hover{background:var(--orange);color:#1B0F07;transform:translateY(-2px);box-shadow:0 12px 26px rgba(217,93,39,.28);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--line-strong);}
.btn-ghost:hover{background:var(--grass);color:var(--green-deep);transform:translateY(-2px);}
.btn-lime{background:var(--lime);color:var(--green-deep);}
.btn-lime:hover{background:var(--orange);color:#1B0F07;transform:translateY(-2px);}
.btn-sm{min-height:42px;padding:0 20px;font-size:14px;}
.nav-cta{white-space:nowrap;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--white);
  cursor:pointer;
  align-items:center;
  justify-content:center;
  padding:0;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--green);
  border-radius:2px;
  position:relative;
  transition:background .2s ease;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;left:0;
  width:18px;height:2px;
  background:var(--green);
  border-radius:2px;
  transition:transform .25s ease,top .25s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg);}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg);}
.mobile-panel{
  display:none;
  position:fixed;
  top:82px;
  left:16px;
  right:16px;
  z-index:119;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--sh-hover);
  padding:14px;
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 16px;
  border-radius:12px;
  font-size:16px;
  font-weight:600;
  color:var(--ink-2);
}
.mobile-panel a:hover{background:var(--grass);color:var(--green);}
.mobile-panel a.is-active{color:var(--green);background:rgba(200,240,90,.30);}
.mobile-panel .btn{width:100%;margin-top:10px;}

/* ------- 面包屑 ------- */
.breadcrumb{
  padding:20px 0 0;
  font-size:13.5px;
  color:var(--ink-3);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li + li::before{content:"/";color:var(--line-strong);}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--orange);}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ------- Hero ------- */
.page-hero{
  position:relative;
  margin-top:20px;
  border-radius:var(--r-xl);
  overflow:hidden;
  background-image:linear-gradient(105deg,rgba(14,51,40,.94) 0%,rgba(23,74,58,.86) 52%,rgba(14,51,40,.62) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  color:var(--paper);
  box-shadow:var(--sh);
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:auto -80px -140px auto;
  width:420px;height:420px;
  border-radius:50%;
  border:1px solid rgba(244,241,232,.16);
  box-shadow:0 0 0 42px rgba(244,241,232,.05),0 0 0 86px rgba(244,241,232,.035);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.35fr .85fr;
  gap:44px;
  align-items:center;
  padding:64px 56px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:999px;
  background:rgba(200,240,90,.18);
  border:1px solid rgba(200,240,90,.45);
  color:var(--lime);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.12em;
  margin-bottom:22px;
}
.page-hero h1{
  color:#FFFFFF;
  font-size:clamp(2.1rem,4.2vw,3.35rem);
  line-height:1.2;
  font-weight:800;
  margin-bottom:20px;
}
.page-hero h1 em{font-style:normal;color:var(--lime);}
.hero-lead{
  font-size:17.5px;
  line-height:1.85;
  color:rgba(244,241,232,.86);
  max-width:36em;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-actions .btn-ghost{color:var(--paper);border-color:rgba(244,241,232,.42);}
.hero-actions .btn-ghost:hover{background:rgba(244,241,232,.14);color:#FFFFFF;}
.hero-panel{
  background:rgba(244,241,232,.10);
  border:1px solid rgba(244,241,232,.26);
  border-radius:var(--r-lg);
  padding:26px 24px;
  backdrop-filter:blur(6px);
}
.hero-panel h2{
  color:#FFFFFF;
  font-size:16px;
  font-weight:700;
  margin-bottom:18px;
  letter-spacing:.04em;
}
.stat-badges{display:flex;flex-direction:column;gap:14px;}
.stat-badge{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-bottom:14px;
  border-bottom:1px dashed rgba(244,241,232,.22);
}
.stat-badge:last-child{border-bottom:0;padding-bottom:0;}
.stat-badge .num{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:30px;
  font-weight:800;
  color:var(--lime);
  line-height:1;
  font-variant-numeric:tabular-nums;
}
.stat-badge .label{font-size:13.5px;color:rgba(244,241,232,.82);text-align:right;line-height:1.5;}

/* ------- 通用板块 ------- */
.section{padding:var(--pad-desk) 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--grass);}
.section-dark{background:var(--green-deep);color:rgba(244,241,232,.9);}
.section-white{background:var(--white);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.tag-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--orange);
  margin-bottom:14px;
}
.tag-label::before{
  content:"";
  width:22px;height:2px;
  background:var(--orange);
  border-radius:2px;
}
.section-head h2{
  font-size:clamp(1.7rem,3.2vw,2.5rem);
  line-height:1.28;
  font-weight:800;
  margin-bottom:16px;
}
.section-head p{font-size:16.5px;color:var(--ink-2);line-height:1.85;max-width:38em;}
.section-dark .section-head h2{color:#FFFFFF;}
.section-dark .section-head p{color:rgba(244,241,232,.78);}
.section-dark .tag-label{color:var(--lime);}
.section-dark .tag-label::before{background:var(--lime);}

/* ------- 功能演示大图 ------- */
.showcase{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:48px;
  align-items:center;
}
.frame{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-img);
  box-shadow:var(--sh);
  overflow:hidden;
}
.frame-bar{
  display:flex;
  align-items:center;
  gap:7px;
  padding:12px 16px;
  border-bottom:1px solid var(--line);
  background:var(--paper);
}
.dot{width:9px;height:9px;border-radius:50%;background:var(--line-strong);}
.dot:nth-child(1){background:#DCD6C6;}
.dot:nth-child(2){background:#CFD9C8;}
.dot:nth-child(3){background:var(--lime);}
.frame img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.showcase-list{display:flex;flex-direction:column;gap:18px;}
.showcase-item{
  display:flex;
  gap:16px;
  padding:18px 20px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease;
}
.showcase-item:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.showcase-item .idx{
  flex:0 0 34px;
  height:34px;
  border-radius:10px;
  background:var(--grass);
  color:var(--green);
  font-weight:800;
  font-size:14px;
  display:grid;place-items:center;
  font-variant-numeric:tabular-nums;
}
.showcase-item h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.showcase-item p{font-size:14.8px;color:var(--ink-2);line-height:1.75;margin:0;}
.showcase-cta{margin-top:6px;}

/* ------- 功能矩阵 ------- */
.matrix{display:flex;flex-direction:column;gap:16px;}
.matrix-row{
  display:grid;
  grid-template-columns:56px 1.05fr 1.6fr .9fr;
  gap:22px;
  align-items:center;
  padding:24px 26px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.matrix-row:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(23,74,58,.28);}
.matrix-icon{
  width:52px;height:52px;
  border-radius:14px;
  display:grid;place-items:center;
  background:var(--grass);
  color:var(--green);
}
.matrix-icon svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.matrix-row h3{font-size:18px;font-weight:700;}
.matrix-row .desc{font-size:14.8px;color:var(--ink-2);line-height:1.75;margin:0;}
.matrix-row .fit{
  font-size:13px;
  color:var(--green);
  background:rgba(200,240,90,.34);
  border-radius:999px;
  padding:7px 14px;
  text-align:center;
  font-weight:600;
  line-height:1.5;
}

/* ------- 对比表 ------- */
.table-wrap{
  overflow-x:auto;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh);
  -webkit-overflow-scrolling:touch;
}
table.compare{
  width:100%;
  min-width:720px;
  border-collapse:collapse;
  font-size:14.8px;
}
table.compare caption{
  caption-side:top;
  text-align:left;
  padding:20px 24px 4px;
  font-size:13.5px;
  color:var(--ink-3);
}
table.compare th,table.compare td{
  padding:16px 24px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
table.compare thead th{
  background:var(--grass);
  color:var(--green-deep);
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  border-bottom:1px solid var(--line-strong);
  white-space:nowrap;
}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare tbody tr:hover{background:rgba(232,238,228,.5);}
table.compare td:first-child{font-weight:700;color:var(--ink);white-space:nowrap;}
table.compare td{color:var(--ink-2);}

/* ------- 数据带 ------- */
.stat-band{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh);
  overflow:hidden;
}
.stat-cell{
  padding:32px 26px;
  border-right:1px solid var(--line);
  text-align:left;
}
.stat-cell:last-child{border-right:0;}
.stat-cell .value{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:clamp(1.9rem,3vw,2.6rem);
  font-weight:800;
  color:var(--green);
  line-height:1.1;
  font-variant-numeric:tabular-nums;
  margin-bottom:8px;
}
.stat-cell .value span{font-size:.55em;color:var(--ink-3);margin-left:4px;}
.stat-cell .name{font-size:15px;font-weight:700;margin-bottom:6px;}
.stat-cell .note{font-size:13.5px;color:var(--ink-3);line-height:1.65;margin:0;}
.proof-note{
  margin-top:22px;
  padding:18px 22px;
  background:rgba(232,238,228,.7);
  border-left:4px solid var(--green);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:14.5px;
  color:var(--ink-2);
  line-height:1.8;
}

/* ------- FAQ ------- */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{
  border-top:1px solid var(--line-strong);
  transition:background .25s ease;
}
.faq-item:last-child{border-bottom:1px solid var(--line-strong);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 8px;
  cursor:pointer;
  font-size:17.5px;
  font-weight:700;
  color:var(--ink);
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{
  flex:0 0 26px;
  width:26px;height:26px;
  position:relative;
  border-radius:50%;
  border:1px solid var(--line-strong);
  transition:transform .25s ease,background .25s ease,border-color .25s ease;
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:"";
  position:absolute;
  top:50%;left:50%;
  width:11px;height:1.8px;
  background:var(--green);
  border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform .25s ease,background .25s ease;
}
.faq-item summary .plus::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-item[open] summary .plus{transform:rotate(180deg);background:var(--lime);border-color:var(--lime);}
.faq-item[open] summary .plus::after{transform:translate(-50%,-50%) rotate(0deg);}
.faq-item[open]{background:rgba(232,238,228,.55);}
.faq-answer{
  padding:0 8px 24px;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:72em;
}

/* ------- 相关链接 ------- */
.link-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--gap);
}
.link-card{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:26px 24px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.link-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(217,93,39,.35);}
.link-card:hover h3{color:var(--orange);}
.link-card .badge{
  align-self:flex-start;
  font-size:12px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--green);
  background:var(--grass);
  border-radius:999px;
  padding:5px 13px;
}
.link-card h3{font-size:18px;font-weight:700;transition:color .2s ease;}
.link-card p{font-size:14.6px;color:var(--ink-2);line-height:1.75;margin:0;}
.link-card .go{
  margin-top:6px;
  font-size:14px;
  font-weight:700;
  color:var(--green);
  display:inline-flex;
  align-items:center;
  gap:6px;
}

/* ------- 底部 CTA ------- */
.cta-band{
  background:var(--green-deep);
  border-radius:var(--r-xl);
  padding:56px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:44px;
  align-items:center;
  color:rgba(244,241,232,.86);
  box-shadow:var(--sh);
}
.cta-band h2{
  color:#FFFFFF;
  font-size:clamp(1.6rem,3vw,2.3rem);
  line-height:1.3;
  margin-bottom:16px;
}
.cta-band p{font-size:16px;line-height:1.85;color:rgba(244,241,232,.78);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.cta-actions .btn-ghost{color:var(--paper);border-color:rgba(244,241,232,.42);}
.cta-actions .btn-ghost:hover{background:rgba(244,241,232,.14);color:#FFFFFF;}
.cta-form{
  background:rgba(244,241,232,.07);
  border:1px solid rgba(244,241,232,.22);
  border-radius:var(--r-lg);
  padding:28px 26px;
  max-width:520px;
  width:100%;
  justify-self:end;
}
.cta-form h3{color:#FFFFFF;font-size:17px;font-weight:700;margin-bottom:6px;}
.cta-form .hint{font-size:13.5px;color:rgba(244,241,232,.66);margin-bottom:18px;}
.field{margin-bottom:14px;}
.field label{
  display:block;
  font-size:13.5px;
  font-weight:600;
  color:rgba(244,241,232,.86);
  margin-bottom:7px;
}
.field input,
.field textarea{
  width:100%;
  min-height:48px;
  padding:11px 14px;
  font-size:15px;
  font-family:inherit;
  color:var(--ink);
  background:var(--paper);
  border:1px solid rgba(244,241,232,.4);
  border-radius:var(--r-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:88px;resize:vertical;}
.field input:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--lime);
  box-shadow:0 0 0 3px rgba(200,240,90,.28);
}
.field input::placeholder,
.field textarea::placeholder{color:var(--ink-3);}
.form-note{font-size:12.5px;color:rgba(244,241,232,.56);line-height:1.7;margin-top:12px;}
.form-status{
  margin-top:12px;
  font-size:13.5px;
  border-radius:10px;
  padding:10px 14px;
  display:none;
}
.form-status.is-error{display:block;background:rgba(182,67,54,.18);border:1px solid rgba(182,67,54,.5);color:#F3C9C3;}
.form-status.is-success{display:block;background:rgba(47,125,87,.2);border:1px solid rgba(47,125,87,.55);color:#C6E9D6;}

/* ------- 页脚 ------- */
.site-footer{
  background:var(--green-deep);
  color:rgba(244,241,232,.78);
  padding:72px 0 32px;
  margin-top:var(--pad-desk);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.35fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(244,241,232,.16);
}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand .logo-mark{background:var(--lime);color:var(--green-deep);}
.footer-brand .logo-main{color:#FFFFFF;}
.footer-brand .logo-sub{color:rgba(244,241,232,.55);}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(244,241,232,.72);max-width:30em;}
.footer-col h4{
  color:#FFFFFF;
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li a{
  font-size:14.5px;
  color:rgba(244,241,232,.74);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col li a:hover{color:var(--lime);padding-left:4px;}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(244,241,232,.66);margin-bottom:12px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:26px;
  font-size:13.5px;
  color:rgba(244,241,232,.6);
}
.footer-bottom a{color:rgba(244,241,232,.72);}
.footer-bottom a:hover{color:var(--lime);}

/* ------- 浮动 CTA ------- */
.float-cta{
  position:fixed;
  right:28px;
  bottom:88px;
  z-index:110;
  display:inline-flex;
  align-items:center;
  gap:12px;
  padding:13px 22px;
  border-radius:999px;
  background:var(--green);
  color:var(--paper);
  box-shadow:0 14px 34px rgba(14,51,40,.34);
  transition:transform .22s ease,background .22s ease,box-shadow .22s ease;
}
.float-cta:hover{background:var(--orange);color:#1B0F07;transform:translateY(-3px);box-shadow:0 18px 40px rgba(217,93,39,.34);}
.float-cta .fc-text{display:flex;flex-direction:column;line-height:1.3;}
.float-cta .fc-main{font-size:14.5px;font-weight:700;}
.float-cta .fc-sub{font-size:11.5px;opacity:.78;}
.float-cta .fc-arrow{font-size:17px;line-height:1;}
.mobile-bar{display:none;}

/* ------- 响应式 ------- */
@media (max-width:1279px){
  .nav-links a{padding:0 13px;font-size:14.5px;}
  .hero-inner{padding:56px 44px;gap:36px;}
  .section{padding:var(--pad-tab) 0;}
}
@media (max-width:1023px){
  body{padding-top:96px;}
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .nav-inner{height:58px;padding:0 8px 0 14px;}
  .hero-inner{grid-template-columns:1fr;padding:48px 34px;gap:32px;}
  .page-hero h1{font-size:clamp(1.9rem,5vw,2.7rem);}
  .hero-panel{max-width:520px;}
  .showcase{grid-template-columns:1fr;gap:34px;}
  .matrix-row{grid-template-columns:52px 1fr;gap:16px 18px;}
  .matrix-row .fit{grid-column:2;justify-self:start;text-align:left;}
  .matrix-row .desc{grid-column:2;}
  .stat-band{grid-template-columns:repeat(2,1fr);}
  .stat-cell:nth-child(2){border-right:0;}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:44px 34px;gap:32px;}
  .cta-form{justify-self:start;max-width:100%;}
  .link-grid{grid-template-columns:1fr 1fr;}
  .section{padding:var(--pad-mob) 0;}
  .float-cta{display:none;}
  .mobile-bar{
    display:flex;
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:115;
    gap:10px;
    padding:10px 14px calc(10px + env(safe-area-inset-bottom));
    background:rgba(244,241,232,.96);
    backdrop-filter:blur(12px);
    border-top:1px solid var(--line);
  }
  .mobile-bar .btn{flex:1;min-height:46px;font-size:15px;}
  body{padding-bottom:76px;}
  .site-footer{margin-bottom:0;}
}
@media (max-width:767px){
  body{font-size:16.5px;}
  .container{padding:0 18px;}
  .page-hero{margin-top:14px;border-radius:20px;}
  .hero-inner{padding:40px 24px;}
  .hero-lead{font-size:16px;}
  .stat-badge .num{font-size:26px;}
  .section-head{margin-bottom:30px;}
  .section-head p{font-size:15.5px;}
  .matrix-row{padding:20px 18px;grid-template-columns:44px 1fr;}
  .matrix-icon{width:44px;height:44px;border-radius:12px;}
  .link-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-band{padding:34px 24px;border-radius:20px;}
  .cta-form{padding:22px 20px;}
  .stat-band{grid-template-columns:1fr;}
  .stat-cell{border-right:0;border-bottom:1px solid var(--line);padding:24px 20px;}
  .stat-cell:last-child{border-bottom:0;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-item summary{font-size:16.5px;padding:18px 4px;}
}
@media (max-width:479px){
  .logo-main{font-size:14px;}
  .logo-sub{font-size:10px;letter-spacing:.1em;}
  .logo-mark{width:32px;height:32px;flex-basis:32px;border-radius:10px;font-size:14px;}
  .page-hero h1{font-size:1.72rem;}
  .hero-actions .btn{width:100%;}
  .showcase-item{padding:16px;}
  .stat-badge .num{font-size:24px;}
  .stat-badge .label{font-size:12.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}