/* roulang page: index */
:root{
  --c-ink:#0B2A25;
  --c-primary:#0E5A4A;
  --c-primary-deep:#08382D;
  --c-primary-soft:#6FBFA8;
  --c-accent:#FF7A2F;
  --c-accent-soft:#FFB25C;
  --c-lime:#C8F03C;
  --c-bg:#F7F6F1;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF3EF;
  --c-line:rgba(11,42,37,.10);
  --c-text:#12211D;
  --c-text-2:#4E635D;
  --c-text-3:#8A9A94;
  --c-on-dark:#EAF2EE;
  --c-on-dark-2:rgba(234,242,238,.72);
  --g-brand:linear-gradient(135deg,#0B2A25 0%,#0E5A4A 52%,#1E8E70 100%);
  --g-accent:linear-gradient(135deg,#FF7A2F 0%,#FFB25C 100%);
  --g-lime:linear-gradient(135deg,#C8F03C 0%,#8FD14F 100%);
  --r-xs:8px;--r-sm:12px;--r-md:16px;--r-lg:24px;--r-xl:32px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(11,42,37,.06),0 8px 24px -12px rgba(11,42,37,.14);
  --sh-2:0 24px 60px -28px rgba(11,42,37,.28);
  --sh-accent:0 12px 28px -12px rgba(255,122,47,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0 0 64px;background:var(--c-bg);color:var(--c-text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:17px;line-height:1.85;font-weight:400;letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-accent)}
button{font-family:inherit;border:0;background:none;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:15px}
h1,h2,h3,h4,p,ul,ol,li,figure{margin:0;padding:0}
ul,ol{list-style:none}
strong{font-weight:700}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.wrap{padding:0 32px}}
.section{padding:56px 0}
@media (min-width:640px){.section{padding:72px 0}}
@media (min-width:1024px){.section{padding:104px 0}}
.section-head{max-width:760px;margin:0 0 32px}
.section-head h2{font-size:28px;line-height:1.3;font-weight:700;color:var(--c-ink);letter-spacing:-.005em}
@media (min-width:1024px){.section-head h2{font-size:32px}}
.section-lead{margin-top:12px;font-size:16px;line-height:1.75;color:var(--c-text-2)}
.section-head--row{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;max-width:none}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;font-size:15px;line-height:1;
  padding:0 24px;height:44px;border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(255,122,47,.35)}
.btn-sm{height:36px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-primary{background-image:var(--g-accent);color:#20130A;box-shadow:var(--sh-accent)}
.btn-primary:hover{color:#20130A;transform:translateY(-1px);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(1px)}
.btn-dark{background:var(--c-primary);color:#fff}
.btn-dark:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-primary)}
.btn-ghost:hover{background:#fff;border-color:rgba(14,90,74,.35);color:var(--c-primary-deep);transform:translateY(-1px)}
.btn-ghost-light{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.28);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-1px)}
.btn-link{background:none;color:var(--c-primary);padding:0;height:auto;font-size:14px;font-weight:600}
.btn-link:hover{color:var(--c-accent)}
.btn-link svg{transition:transform .2s var(--ease)}
.btn-link:hover svg{transform:translateX(3px)}

/* 徽章 */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em}
.badge-lime{background:var(--c-lime);color:var(--c-ink)}
.badge-soft{background:rgba(14,90,74,.08);color:var(--c-primary)}
.badge-outline{border:1px solid var(--c-line);color:var(--c-text-2)}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(247,246,241,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-line);transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-wrap{display:flex;align-items:center;gap:16px;height:56px}
@media (min-width:1024px){.nav-wrap{height:68px;gap:28px}}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:32px;height:32px;border-radius:var(--r-sm);background-image:var(--g-brand);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.brand-mark svg{width:18px;height:18px}
.brand-text{display:flex;align-items:baseline;gap:8px;font-size:16px;line-height:1.2}
.brand-text strong{font-weight:700;color:var(--c-ink);letter-spacing:-.01em}
.brand-text span{font-weight:500;color:var(--c-text-2);font-size:14px}
@media (max-width:400px){.brand-text span{display:none}}
.main-nav{display:none}
@media (min-width:1024px){
  .main-nav{display:flex;align-items:center;gap:28px;margin-left:8px}
}
.nav-link{position:relative;font-size:14px;font-weight:500;color:var(--c-text);padding:6px 0}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{font-weight:600;color:var(--c-primary)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-search{display:none;align-items:center;gap:8px;height:40px;width:220px;padding:0 12px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);transition:width .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
@media (min-width:1200px){.nav-search{display:flex}}
.nav-search:focus-within{width:280px;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,90,74,.18)}
.nav-search svg{width:16px;height:16px;color:var(--c-text-3);flex-shrink:0}
.nav-search input{flex:1;min-width:0;border:0;outline:none;background:none;font-size:14px;color:var(--c-text)}
.nav-search input::placeholder{color:var(--c-text-3)}
.nav-search kbd{font-size:11px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--c-text-3);background:var(--c-surface-2);border-radius:var(--r-xs);padding:2px 6px}
.nav-quick{display:none;gap:6px}
@media (min-width:768px){.nav-quick{display:flex}}
.icon-btn{width:40px;height:40px;border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;color:var(--c-text-2);transition:background-color .2s var(--ease),color .2s var(--ease)}
.icon-btn:hover{background:var(--c-surface-2);color:var(--c-primary)}
.icon-btn svg{width:18px;height:18px}
.nav-cta{display:none}
@media (min-width:640px){.nav-cta{display:inline-flex}}
.nav-burger{display:flex;width:40px;height:40px;border-radius:var(--r-sm);align-items:center;justify-content:center;background:var(--c-surface-2);color:var(--c-ink)}
@media (min-width:1024px){.nav-burger{display:none}}
.nav-burger svg{width:20px;height:20px}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:80;display:none}
.drawer.is-open{display:block}
.drawer-backdrop{position:absolute;inset:0;background:rgba(11,42,37,.45)}
.drawer-panel{position:absolute;left:0;right:0;top:0;background:var(--c-ink);color:var(--c-on-dark);border-radius:0 0 var(--r-xl) var(--r-xl);padding:20px 20px 28px;max-height:92vh;overflow-y:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-close{width:40px;height:40px;border-radius:var(--r-sm);background:rgba(255,255,255,.1);color:#fff;display:flex;align-items:center;justify-content:center}
.drawer-close:hover{background:rgba(255,255,255,.18)}
.drawer-nav{display:block}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;height:52px;border-bottom:1px solid rgba(255,255,255,.12);color:var(--c-on-dark);font-size:16px;font-weight:500}
.drawer-nav a:hover{color:#fff}
.drawer-nav a.is-active{color:var(--c-lime);font-weight:600}
.drawer-search{display:flex;align-items:center;gap:8px;height:48px;margin:20px 0 14px;padding:0 16px;border-radius:var(--r-pill);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16)}
.drawer-search svg{width:16px;height:16px;color:var(--c-on-dark-2)}
.drawer-search input{flex:1;min-width:0;background:none;border:0;outline:none;color:#fff;font-size:15px}
.drawer-search input::placeholder{color:rgba(234,242,238,.55)}
.drawer-cta{width:100%;margin-top:6px}

/* Hero */
.hero{padding:16px 0 0}
@media (min-width:1024px){.hero{padding:24px 0 0}}
.hero-panel{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:36px 24px 40px;
  background-image:
    radial-gradient(480px 480px at 88% 4%,rgba(255,122,47,.20),transparent 70%),
    repeating-linear-gradient(0deg,rgba(255,255,255,.055) 0 1px,transparent 1px 56px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.055) 0 1px,transparent 1px 56px),
    var(--g-brand);
  box-shadow:var(--sh-2);
}
@media (min-width:1024px){.hero-panel{padding:64px 56px 68px}}
.hero-copy{max-width:600px}
.hero-tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);background:rgba(200,240,60,.16);border:1px solid rgba(200,240,60,.4);color:var(--c-lime);font-size:12px;font-weight:600;letter-spacing:.04em;margin-bottom:20px}
.hero h1{font-size:clamp(30px,4.4vw,52px);line-height:1.22;font-weight:700;letter-spacing:-.01em;color:#fff;max-width:20em}
.hero-hl{background-image:var(--g-lime);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.7;color:var(--c-on-dark-2);max-width:34em}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:28px}
.hero-chips li{position:relative;padding-left:16px;font-size:14px;color:rgba(234,242,238,.78)}
.hero-chips li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:50%;background:var(--c-lime)}
.hero-visual{position:relative;margin-top:36px}
@media (min-width:1024px){.hero-visual{margin-top:0;padding:0 8px}}
.hero-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.12);aspect-ratio:16/10;background-image:var(--g-brand)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.stat-badge{
  position:absolute;background:#fff;border-radius:var(--r-md);padding:12px 16px;box-shadow:var(--sh-2);
  display:flex;flex-direction:column;gap:2px;min-width:118px;
}
.stat-badge strong{font-size:clamp(24px,2.6vw,30px);line-height:1.1;color:var(--c-ink);font-variant-numeric:tabular-nums;font-weight:700}
.stat-badge span{font-size:12px;color:var(--c-text-2);line-height:1.4}
.stat-badge--tl{left:-8px;top:-16px;transform:rotate(-2deg)}
.stat-badge--br{right:-8px;bottom:-18px;transform:rotate(2deg)}
@media (max-width:639px){
  .stat-badge{position:static;transform:none;flex:1}
  .hero-visual{margin-top:28px}
  .hero-badges{display:flex;gap:12px;margin-top:14px}
}

/* 卖点 */
.points-grid{margin-top:8px}
.point-main{
  position:relative;overflow:hidden;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);height:100%;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.point-main::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background-image:var(--g-accent);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.point-main:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.point-main:hover::before{transform:scaleX(1)}
.point-main-media{border-radius:var(--r-md);overflow:hidden;aspect-ratio:3/2;margin-bottom:22px;background-image:var(--g-brand)}
.point-main-media img{width:100%;height:100%;object-fit:cover}
.point-num{display:block;font-size:40px;line-height:1;font-weight:700;color:var(--c-primary-soft);opacity:.35;font-variant-numeric:tabular-nums;margin-bottom:10px}
.point-main h3{font-size:20px;font-weight:600;color:var(--c-ink);line-height:1.45}
.point-main p{margin-top:10px;font-size:15px;line-height:1.75;color:var(--c-text-2)}
.point-main .btn-link{margin-top:16px}
.points-side{display:grid;gap:20px;margin-top:20px;height:100%}
@media (min-width:1024px){.points-side{margin-top:0;grid-template-rows:1fr 1fr}}
.point-sub{
  position:relative;overflow:hidden;display:flex;align-items:center;gap:18px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-lg);padding:20px 24px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.point-sub::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background-image:var(--g-accent);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.point-sub:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.point-sub:hover::before{transform:scaleX(1)}
.point-sub-body{flex:1;min-width:0}
.point-sub .point-num{font-size:28px;margin-bottom:4px}
.point-sub h3{font-size:18px;font-weight:600;color:var(--c-ink)}
.point-sub p{margin-top:6px;font-size:14px;line-height:1.7;color:var(--c-text-2)}
.point-sub-thumb{width:76px;height:76px;border-radius:var(--r-md);overflow:hidden;flex-shrink:0;background-image:var(--g-brand)}
.point-sub-thumb img{width:100%;height:100%;object-fit:cover}
@media (max-width:479px){.point-sub-thumb{display:none}}

/* 场景演示 */
.flow-grid{margin-top:8px}
.flow-steps{display:grid;gap:10px}
.flow-step{
  position:relative;display:flex;align-items:center;gap:14px;min-height:56px;padding:10px 16px;
  border-radius:var(--r-sm);background:transparent;cursor:pointer;text-align:left;width:100%;
  transition:background-color .2s var(--ease);
}
.flow-step:hover{background:var(--c-surface-2)}
.flow-step.is-active{background:var(--c-surface-2);box-shadow:inset 3px 0 0 var(--c-accent)}
.flow-step:focus-visible{outline:none;box-shadow:inset 0 0 0 2px rgba(255,122,47,.5)}
.flow-step-idx{width:32px;height:32px;border-radius:50%;background-image:var(--g-lime);color:var(--c-ink);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex-shrink:0;font-variant-numeric:tabular-nums}
.flow-step-txt strong{display:block;font-size:15px;font-weight:600;color:var(--c-ink)}
.flow-step.is-active .flow-step-txt strong{font-weight:700}
.flow-step-txt span{display:block;font-size:13px;color:var(--c-text-3);line-height:1.5}
.flow-stage{position:relative;border-radius:var(--r-lg);background:var(--c-surface-2);border:1px solid var(--c-line);overflow:hidden;margin-top:20px;min-height:320px}
@media (min-width:1024px){.flow-stage{margin-top:0;height:100%}}
.flow-panel{display:none;position:relative;height:100%;min-height:320px}
.flow-panel.is-active{display:block}
.flow-panel img{width:100%;height:100%;min-height:320px;object-fit:cover}
.flow-strip{position:absolute;left:20px;right:20px;bottom:20px;background:rgba(255,255,255,.94);border-radius:var(--r-md);padding:14px 18px;box-shadow:var(--sh-1)}
.flow-strip strong{display:block;font-size:15px;color:var(--c-ink);font-weight:600}
.flow-strip span{display:block;font-size:13px;color:var(--c-text-2);line-height:1.6;margin-top:2px}
.flow-float{position:absolute;background:#fff;border-radius:var(--r-md);padding:10px 14px;box-shadow:var(--sh-2);display:flex;flex-direction:column;gap:2px}
.flow-float strong{font-size:13px;color:var(--c-primary);font-weight:700}
.flow-float span{font-size:12px;color:var(--c-text-2)}
.flow-float--a{top:18px;left:18px;transform:rotate(-2deg)}
.flow-float--b{top:18px;right:18px;transform:rotate(2deg)}

/* 社会认同 */
.proof-dark{background:var(--c-ink);border-radius:0 0 var(--r-xl) var(--r-xl);padding:56px 0 64px;position:relative;overflow:hidden}
.proof-dark::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,122,47,.18),transparent 70%)}
.proof-dark h2{font-size:28px;font-weight:700;color:#fff;line-height:1.3;position:relative}
@media (min-width:1024px){.proof-dark h2{font-size:32px}}
.proof-lead{margin-top:12px;font-size:15px;line-height:1.75;color:var(--c-on-dark-2);max-width:640px;position:relative}
.proof-stats{margin-top:36px;position:relative}
.stat-cell{padding:20px 0;border-top:1px solid rgba(255,255,255,.12)}
@media (min-width:1024px){
  .stat-cell{padding:8px 24px;border-top:0;border-left:1px solid rgba(255,255,255,.12)}
  .stat-cell:first-child{border-left:0;padding-left:0}
}
.stat-cell strong{display:block;font-size:clamp(28px,3.4vw,42px);line-height:1.1;font-weight:700;color:#fff;font-variant-numeric:tabular-nums}
.stat-cell i{display:block;width:40px;height:3px;border-radius:2px;background-image:var(--g-lime);margin:12px 0 10px}
.stat-cell span{display:block;font-size:13px;color:rgba(255,255,255,.62)}
.quotes{margin-top:48px}
.quote-col{display:grid;gap:24px}
.quote-card{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1)}
.quote-card::before{content:"“";position:absolute;left:20px;top:6px;font-size:64px;line-height:1;color:var(--c-primary-soft);opacity:.3;font-family:Georgia,serif}
.quote-card p{position:relative;font-size:15px;line-height:1.8;color:var(--c-text-2)}
.quote-card--tall{display:flex;flex-direction:column;justify-content:space-between;min-height:100%}
.quote-meta{display:flex;align-items:center;gap:12px;margin-top:22px}
.quote-avatar{width:36px;height:36px;border-radius:50%;background-image:var(--g-brand);flex-shrink:0}
.quote-meta strong{display:block;font-size:14px;font-weight:600;color:var(--c-ink)}
.quote-meta span{display:block;font-size:13px;color:var(--c-text-3)}

/* 最新信息 */
.news-grid{margin-top:8px}
.news-feature{display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);height:100%;transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-feature-media{aspect-ratio:16/10;background-image:var(--g-brand);overflow:hidden}
.news-feature-media img{width:100%;height:100%;object-fit:cover}
.news-feature-body{padding:24px}
.news-feature h3{margin-top:12px;font-size:20px;font-weight:600;color:var(--c-ink);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-feature p{margin-top:10px;font-size:14px;line-height:1.7;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:8px;margin-top:16px;font-size:13px;color:var(--c-text-3)}
.news-meta svg{width:14px;height:14px}
.news-list{display:grid;gap:18px;margin-top:20px}
@media (min-width:640px){.news-list{grid-template-columns:1fr 1fr;margin-top:0}}
.news-row{display:flex;gap:14px;align-items:flex-start;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:16px;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.news-row:hover{transform:translateY(-3px);box-shadow:var(--sh-1);border-color:rgba(14,90,74,.24)}
.news-row-thumb{width:104px;height:80px;border-radius:var(--r-sm);overflow:hidden;flex-shrink:0;background-image:var(--g-brand)}
.news-row-thumb img{width:100%;height:100%;object-fit:cover}
.news-row-body{min-width:0}
.news-row h3{margin-top:8px;font-size:15px;font-weight:600;color:var(--c-ink);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-row .news-meta{margin-top:8px}
@media (max-width:479px){.news-row-thumb{width:84px;height:72px}}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;height:220px;border:1px dashed var(--c-line);border-radius:var(--r-lg);background:var(--c-surface);text-align:center;padding:20px}
.empty-state svg{width:48px;height:48px;color:var(--c-primary-soft)}
.empty-state p{font-size:15px;color:var(--c-text-2)}

/* FAQ */
.faq-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--c-line)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:20px 16px;text-align:left;font-size:16px;font-weight:600;color:var(--c-ink);transition:background-color .2s var(--ease)}
.faq-q:hover{background:var(--c-surface-2)}
.faq-q:focus-visible{outline:none;box-shadow:inset 0 0 0 2px rgba(255,122,47,.4)}
.faq-icon{position:relative;width:16px;height:16px;flex-shrink:0}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform .22s var(--ease)}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0)}
.faq-a{display:none;padding:0 16px 20px;font-size:15px;line-height:1.8;color:var(--c-text-2);max-width:60em}
.faq-item.is-open .faq-a{display:block}
@media (max-width:639px){.faq-q{font-size:15px;padding:16px 14px}.faq-a{padding:0 14px 16px;font-size:14px}}

/* 底部 CTA */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:44px 28px;text-align:center;
  background-image:
    radial-gradient(420px 420px at 12% 10%,rgba(255,122,47,.18),transparent 70%),
    repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 52px),
    var(--g-brand);
  box-shadow:var(--sh-2);
}
@media (min-width:1024px){.cta-panel{padding:64px 56px}}
.cta-panel h2{font-size:28px;font-weight:700;color:#fff;line-height:1.3}
@media (min-width:1024px){.cta-panel h2{font-size:32px}}
.cta-panel p{margin:14px auto 0;max-width:640px;font-size:16px;line-height:1.8;color:var(--c-on-dark-2)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px}

/* 页脚 */
.site-footer{background:var(--c-ink);color:var(--c-on-dark);margin-top:56px;position:relative}
@media (min-width:1024px){.site-footer{margin-top:104px}}
.site-footer::before{content:"";display:block;height:1px;background-image:var(--g-accent)}
.footer-main{padding:56px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background-image:var(--g-accent)}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text span{color:var(--c-on-dark-2)}
.footer-desc{font-size:14px;line-height:1.8;color:var(--c-on-dark-2);max-width:26em}
.footer-contacts{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.footer-contacts a{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--c-on-dark-2)}
.footer-contacts a:hover{color:#fff}
.footer-contacts svg{width:16px;height:16px;color:var(--c-primary-soft)}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:grid;gap:12px}
.footer-links a{font-size:14px;color:var(--c-on-dark-2)}
.footer-links a:hover{color:#fff}
.footer-sub p{font-size:13px;line-height:1.7;color:var(--c-on-dark-2);margin-bottom:14px}
.footer-form{display:flex;gap:8px;flex-wrap:wrap}
.footer-form input{flex:1;min-width:140px;height:44px;padding:0 16px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.08);color:#fff;outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.footer-form input::placeholder{color:rgba(234,242,238,.5)}
.footer-form input:focus{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(255,122,47,.25)}
.footer-col{margin-bottom:32px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;font-size:12px;color:rgba(255,255,255,.5)}
.footer-bottom .wrap{display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between}

/* 底部固定转化条 */
.conv-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;height:56px;display:flex;align-items:center;gap:14px;
  padding:0 16px;background:rgba(11,42,37,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-top:1px solid rgba(255,255,255,.12);transform:translateY(8px);opacity:0;pointer-events:none;
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
@media (min-width:1024px){.conv-bar{height:64px;padding:0 32px;gap:20px}}
.conv-bar.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.conv-bar.is-hidden{display:none}
.conv-text{font-size:13px;color:rgba(255,255,255,.78);line-height:1.4}
@media (min-width:640px){.conv-text{font-size:14px}}
.conv-spacer{flex:1}
.conv-close{width:36px;height:36px;border-radius:var(--r-sm);background:rgba(255,255,255,.1);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.conv-close:hover{background:rgba(255,255,255,.18)}
.conv-close svg{width:16px;height:16px}

/* 出现动画 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --c-ink:#0B2A25;
  --c-primary:#0E5A4A;
  --c-primary-deep:#08382D;
  --c-primary-soft:#6FBFA8;
  --c-accent:#FF7A2F;
  --c-accent-soft:#FFB25C;
  --c-lime:#C8F03C;
  --c-bg:#F7F6F1;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF3EF;
  --c-line:rgba(11,42,37,0.10);
  --c-text:#12211D;
  --c-text-2:#4E635D;
  --c-text-3:#8A9A94;
  --c-on-dark:#EAF2EE;
  --c-on-dark-2:rgba(234,242,238,0.72);
  --g-brand:linear-gradient(135deg,#0B2A25 0%,#0E5A4A 52%,#1E8E70 100%);
  --g-accent:linear-gradient(135deg,#FF7A2F 0%,#FFB25C 100%);
  --g-lime:linear-gradient(135deg,#C8F03C 0%,#8FD14F 100%);
  --r-xs:8px;--r-sm:12px;--r-md:16px;--r-lg:24px;--r-xl:32px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(11,42,37,.06),0 8px 24px -12px rgba(11,42,37,.14);
  --sh-2:0 24px 60px -28px rgba(11,42,37,.28);
  --sh-accent:0 12px 28px -12px rgba(255,122,47,.45);
  --ease:cubic-bezier(0.22,0.61,0.36,1);
  --tr:220ms var(--ease);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0 0 64px;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:17px;line-height:1.85;color:var(--c-text);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
body.drawer-open{overflow:hidden}
img{max-width:100%;display:block;border-style:none}
a{color:var(--c-primary);text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--c-accent)}
button,input{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0;list-style:none}
:focus-visible{outline:3px solid rgba(255,122,47,.35);outline-offset:2px}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px;width:100%}
@media (min-width:1024px){.wrap{padding:0 32px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,246,241,0.86);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--tr),background var(--tr);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(247,246,241,0.94)}
.nav-bar{display:flex;align-items:center;gap:24px;height:68px}
.nav-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--c-text)}
.nav-logo:hover{color:var(--c-text)}
.brand-mark{
  width:32px;height:32px;border-radius:var(--r-sm);background:var(--g-brand);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
  box-shadow:0 6px 16px -8px rgba(11,42,37,.6);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:16px;letter-spacing:.01em;white-space:nowrap}
.brand-text strong{font-weight:700}
.brand-text span{font-weight:500;color:var(--c-text-2);margin-left:6px}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:8px}
.nav-link{
  position:relative;font-size:14px;font-weight:500;color:var(--c-text-2);
  padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform var(--tr);
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.command-search{
  position:relative;display:flex;align-items:center;gap:8px;
  height:40px;width:220px;padding:0 12px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-pill);
  transition:width var(--tr),box-shadow var(--tr),background var(--tr),border-color var(--tr);
}
.command-search:focus-within{
  width:280px;background:#fff;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(14,90,74,0.15);
}
.command-search svg{width:16px;height:16px;flex-shrink:0;color:var(--c-text-3)}
.command-search input{
  border:0;background:transparent;outline:none;width:100%;font-size:14px;
}
.command-search input::placeholder{color:var(--c-text-3)}
.kbd{
  font-size:12px;font-weight:600;color:var(--c-text-2);background:var(--c-surface-2);
  border-radius:var(--r-xs);padding:2px 7px;flex-shrink:0;line-height:1.4;
}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-sm);display:inline-flex;
  align-items:center;justify-content:center;color:var(--c-text-2);
  background:transparent;transition:background var(--tr),color var(--tr);
}
.icon-btn:hover{background:var(--c-surface-2);color:var(--c-primary)}
.icon-btn svg{width:19px;height:19px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;font-size:15px;line-height:1;
  padding:0 24px;height:44px;border:1px solid transparent;
  transition:transform var(--tr),box-shadow var(--tr),background var(--tr),color var(--tr),border-color var(--tr),filter var(--tr);
}
.btn svg{width:16px;height:16px;transition:transform var(--tr)}
.btn-primary{background:var(--g-accent);color:var(--c-ink);box-shadow:var(--sh-accent)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);color:var(--c-ink)}
.btn-primary:active{transform:translateY(1px)}
.btn-dark{background:var(--c-primary);color:#fff}
.btn-dark:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-surface-2);color:var(--c-primary)}
.btn-sm{height:36px;font-size:14px;padding:0 18px}
.btn-lg{height:52px;font-size:16px;padding:0 30px}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;height:auto;padding:0;
  color:var(--c-primary);font-size:14px;font-weight:600;background:none;
}
.btn-link:hover{color:var(--c-accent)}
.btn-link:hover svg{transform:translateX(3px)}
.hamburger{display:none;width:40px;height:40px;border-radius:var(--r-sm);align-items:center;justify-content:center;color:var(--c-text)}
.hamburger:hover{background:var(--c-surface-2)}
.hamburger svg{width:22px;height:22px}
.mobile-drawer{
  position:fixed;left:0;right:0;top:0;z-index:80;
  background:var(--c-ink);color:var(--c-on-dark);
  border-radius:0 0 var(--r-xl) var(--r-xl);
  padding:20px 20px 28px;transform:translateY(-102%);
  transition:transform 280ms var(--ease);max-height:100vh;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateY(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-close{width:40px;height:40px;border-radius:var(--r-sm);color:var(--c-on-dark);display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,.08)}
.drawer-close:hover{background:rgba(255,255,255,.16)}
.drawer-nav{display:flex;flex-direction:column;margin-bottom:18px}
.drawer-nav a{
  height:52px;display:flex;align-items:center;color:var(--c-on-dark);
  font-size:16px;border-bottom:1px solid rgba(255,255,255,.12);
}
.drawer-nav a:last-child{border-bottom:0}
.drawer-nav a.is-active{color:var(--c-lime);font-weight:600}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-pill);margin-bottom:12px;
}
.drawer-search input{background:transparent;border:0;outline:none;color:#fff;width:100%;font-size:14px}
.drawer-search input::placeholder{color:rgba(234,242,238,.55)}
.drawer-search svg{width:16px;height:16px;color:var(--c-on-dark-2)}
.drawer-cta{width:100%}

/* ============ 文章页头 ============ */
.article-hero{padding:20px 0 0}
.article-hero-inner{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  background:var(--g-brand);color:#fff;padding:44px 40px 40px;
  min-height:240px;display:flex;flex-direction:column;justify-content:flex-end;
}
.article-hero-inner::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;opacity:.28;
}
.article-hero-inner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(11,42,37,.86) 0%,rgba(11,42,37,.62) 55%,rgba(30,142,112,.42) 100%);
}
.article-hero-inner > *{position:relative;z-index:2}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:rgba(255,255,255,.7);margin-bottom:16px;
}
.breadcrumb a{color:rgba(255,255,255,.7)}
.breadcrumb a:hover{color:#fff}
.crumb-sep{color:rgba(255,255,255,.42)}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-lime{background:var(--c-lime);color:var(--c-ink)}
.badge-soft{background:rgba(14,90,74,.08);color:var(--c-primary)}
.badge-outline{border:1px solid var(--c-line);color:var(--c-text-2)}
.badge-on-dark{background:rgba(255,255,255,.14);color:#fff}
.article-hero h1{
  font-size:clamp(26px,3.2vw,40px);line-height:1.3;font-weight:700;
  letter-spacing:-.01em;margin:14px 0 16px;max-width:22em;
}
.meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:20px;
  font-size:13px;color:rgba(255,255,255,.62);
}
.meta-row span{display:inline-flex;align-items:center;gap:6px}
.meta-row svg{width:14px;height:14px}

/* ============ 导语 ============ */
.lead-block{padding:36px 0 0}
.lead-inner{
  position:relative;padding-left:18px;max-width:820px;
  font-size:15px;line-height:1.85;color:var(--c-text-2);
}
.lead-inner::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;
  border-radius:3px;background:var(--g-lime);
}

/* ============ 正文布局 ============ */
.article-main{padding:44px 0 96px}
.article-main .grid-x{row-gap:32px}
.article-body{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:36px 32px;box-shadow:var(--sh-1);
  max-width:760px;
}
.article-body p{margin:0 0 1.2em;font-size:17px;line-height:1.9}
.article-body h2{
  position:relative;font-size:22px;font-weight:700;line-height:1.4;
  margin:40px 0 16px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;
  border-radius:4px;background:var(--c-accent);
}
.article-body h3{font-size:18px;font-weight:600;line-height:1.5;margin:28px 0 12px}
.article-body a{color:var(--c-primary);text-decoration:underline;text-decoration-color:rgba(14,90,74,.3);text-underline-offset:3px}
.article-body a:hover{color:var(--c-accent);text-decoration-color:rgba(255,122,47,.4)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:20px;margin-bottom:8px;font-size:16px;line-height:1.8;color:var(--c-text);
}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:6px;height:6px;
  border-radius:2px;background:var(--c-primary);
}
.article-body ol{counter-reset:olc}
.article-body ol li{counter-increment:olc}
.article-body ol li::before{
  content:counter(olc);position:absolute;left:0;top:.15em;font-size:13px;
  font-weight:700;color:var(--c-primary);
}
.article-body blockquote{
  margin:0 0 1.2em;padding:18px 20px;background:var(--c-surface-2);
  border-left:4px solid var(--c-lime);border-radius:var(--r-sm);
  color:var(--c-text-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:24px auto;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--c-text-3);margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 1.4em;font-size:15px}
.article-body th,.article-body td{
  border:1px solid var(--c-line);padding:12px 14px;text-align:left;line-height:1.7;
}
.article-body th{background:var(--c-surface-2);font-weight:600}
.article-body pre{
  background:var(--c-ink);color:var(--c-on-dark);border-radius:var(--r-sm);
  padding:16px 16px;overflow-x:auto;font-size:14px;line-height:1.7;margin:0 0 1.4em;
}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0}
.article-empty{
  text-align:center;padding:56px 24px;border:1px dashed var(--c-line);
  border-radius:var(--r-lg);background:var(--c-surface);
}
.article-empty svg{width:48px;height:48px;color:var(--c-primary-soft);margin:0 auto 16px}
.article-empty h2{font-size:20px;font-weight:700;margin-bottom:10px}
.article-empty p{font-size:15px;color:var(--c-text-2);margin-bottom:22px}

.author-box{
  display:flex;align-items:center;gap:14px;margin-top:32px;padding-top:26px;
  border-top:1px solid var(--c-line);
}
.author-avatar{
  width:40px;height:40px;border-radius:50%;background:var(--g-brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;flex-shrink:0;
}
.author-name{font-size:14px;font-weight:600;line-height:1.4}
.author-role{font-size:13px;color:var(--c-text-3);line-height:1.5}

/* ============ 侧栏 ============ */
.side-col{position:relative}
.side-stack{display:flex;flex-direction:column;gap:20px}
@media (min-width:1200px){
  .side-stack{position:sticky;top:88px}
}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1);
}
.side-title{
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--c-text-3);
  text-transform:none;margin-bottom:14px;
}
.toc-list a{
  display:block;font-size:14px;line-height:1.6;color:var(--c-text-2);
  padding:8px 0 8px 12px;border-left:3px solid transparent;
  transition:color var(--tr),border-color var(--tr),background var(--tr);
}
.toc-list a:hover{color:var(--c-primary);background:var(--c-surface-2)}
.toc-list a.is-active{color:var(--c-primary);font-weight:600;border-left-color:var(--c-accent)}
.rec-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--c-line)}
.rec-item:last-child{border-bottom:0;padding-bottom:0}
.rec-thumb{
  width:72px;height:72px;border-radius:var(--r-sm);overflow:hidden;flex-shrink:0;
  background:var(--g-brand);
}
.rec-thumb img{width:100%;height:100%;object-fit:cover}
.rec-body h3{font-size:14px;font-weight:600;line-height:1.5;margin-bottom:4px}
.rec-body h3 a{color:var(--c-text)}
.rec-body h3 a:hover{color:var(--c-primary)}
.rec-body time{font-size:13px;color:var(--c-text-3)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.side-cta{
  background:var(--g-brand);color:#fff;border-radius:var(--r-xl);
  padding:26px 22px;border:0;
}
.side-cta h3{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:10px;color:#fff}
.side-cta p{font-size:14px;line-height:1.75;color:var(--c-on-dark-2);margin-bottom:18px}
.side-cta .btn{width:100%}

/* ============ 相关推荐 & 返回 ============ */
.related-section{padding:0 0 96px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.01em}
.section-head p{font-size:15px;color:var(--c-text-2);margin-top:8px;max-width:44em}
@media (max-width:639px){.section-head h2{font-size:26px}}
.card-grid{display:grid;gap:24px;grid-template-columns:repeat(3,1fr)}
.entry-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform var(--tr),box-shadow var(--tr);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.entry-media{aspect-ratio:16/10;overflow:hidden;background:var(--g-brand)}
.entry-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease)}
.entry-card:hover .entry-media img{transform:scale(1.04)}
.entry-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.entry-body h3{font-size:18px;font-weight:600;line-height:1.45}
.entry-body h3 a{color:var(--c-text)}
.entry-body h3 a:hover{color:var(--c-primary)}
.entry-body p{font-size:14px;line-height:1.75;color:var(--c-text-2)}
.entry-body .btn-link{margin-top:auto}
.back-row{margin-top:36px;display:flex;justify-content:center}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:var(--c-on-dark-2);position:relative;margin-top:0}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--g-accent);
}
.footer-main{padding:64px 0 40px}
.footer-col{margin-bottom:28px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff;font-size:16px}
.footer-brand .brand-text span{color:rgba(234,242,238,.62)}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(234,242,238,.66);max-width:28em;margin-bottom:20px}
.footer-contacts{display:flex;flex-direction:column;gap:10px}
.footer-contacts a{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;
  color:rgba(234,242,238,.72);
}
.footer-contacts a:hover{color:#fff}
.footer-contacts svg{width:18px;height:18px;flex-shrink:0}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(234,242,238,.66)}
.footer-links a:hover{color:#fff}
.footer-sub{display:flex;gap:8px;margin-top:14px}
.footer-sub input{
  height:44px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#fff;padding:0 18px;width:100%;font-size:14px;outline:none;
  transition:border-color var(--tr),box-shadow var(--tr);
}
.footer-sub input::placeholder{color:rgba(234,242,238,.45)}
.footer-sub input:focus{border-color:var(--c-primary-soft);box-shadow:0 0 0 3px rgba(111,191,168,.2)}
.footer-sub .btn{flex-shrink:0;padding:0 18px}
.footer-sub-note{font-size:12px;color:rgba(234,242,238,.45);margin-top:10px;line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
}
.footer-bottom p,.footer-bottom a{font-size:12px;color:rgba(234,242,238,.5)}
.footer-bottom a:hover{color:#fff}
.footer-bottom-links{display:flex;gap:18px;flex-wrap:wrap}

/* ============ 底部转化条 ============ */
.conv-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;height:64px;
  background:rgba(11,42,37,.94);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;
  transform:translateY(120%);opacity:0;
  transition:transform 280ms var(--ease),opacity 280ms var(--ease);
}
.conv-bar.is-visible{transform:translateY(0);opacity:1}
.conv-inner{display:flex;align-items:center;gap:16px;width:100%}
.conv-text{font-size:14px;color:rgba(255,255,255,.78)}
.conv-text strong{color:#fff;font-weight:600}
.conv-spacer{flex:1}
.conv-close{
  width:40px;height:40px;border-radius:var(--r-sm);background:rgba(255,255,255,.10);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  transition:background var(--tr);
}
.conv-close:hover{background:rgba(255,255,255,.18)}
.conv-close svg{width:16px;height:16px}

/* ============ 出现动画 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 400ms var(--ease),transform 400ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .main-nav{display:none}
  .nav-tools .command-search{display:none}
  .hamburger{display:inline-flex}
  .card-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  .article-hero-inner{padding:34px 26px 30px;border-radius:var(--r-lg)}
  .article-body{padding:28px 22px;max-width:none}
  .article-main{padding:32px 0 64px}
  .related-section{padding-bottom:64px}
  .footer-main{padding:48px 0 28px}
}
@media (max-width:767px){
  body{font-size:16px}
  .section-head{flex-direction:column;align-items:flex-start}
  .card-grid{grid-template-columns:1fr}
  .conv-bar{height:56px}
  .conv-text{font-size:13px}
}
@media (max-width:639px){
  .nav-tools .icon-btn{display:none}
  .brand-text span{display:none}
  .article-hero{padding-top:12px}
  .article-hero-inner{padding:28px 20px 24px;min-height:200px}
  .meta-row{gap:12px}
  .article-body h2{font-size:19px}
  .article-body h3{font-size:17px}
  .article-body ul li,.article-body ol li{font-size:15px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:0.01ms !important}
  .reveal{opacity:1;transform:none}
  .conv-bar{transform:none}
}

/* roulang page: category1 */
:root{
  --c-ink:#0B2A25;
  --c-primary:#0E5A4A;
  --c-primary-deep:#08382D;
  --c-primary-soft:#6FBFA8;
  --c-accent:#FF7A2F;
  --c-accent-soft:#FFB25C;
  --c-lime:#C8F03C;
  --c-bg:#F7F6F1;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF3EF;
  --c-line:rgba(11,42,37,0.10);
  --c-text:#12211D;
  --c-text-2:#4E635D;
  --c-text-3:#8A9A94;
  --c-on-dark:#EAF2EE;
  --c-on-dark-2:rgba(234,242,238,0.72);
  --g-brand:linear-gradient(135deg,#0B2A25 0%,#0E5A4A 52%,#1E8E70 100%);
  --g-accent:linear-gradient(135deg,#FF7A2F 0%,#FFB25C 100%);
  --g-lime:linear-gradient(135deg,#C8F03C 0%,#8FD14F 100%);
  --r-xs:8px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,42,37,.06),0 8px 24px -12px rgba(11,42,37,.14);
  --sh-2:0 24px 60px -28px rgba(11,42,37,.28);
  --sh-accent:0 12px 28px -12px rgba(255,122,47,.45);
  --ease:cubic-bezier(0.22,0.61,0.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding-bottom:64px;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;background:none}
a:hover{color:var(--c-primary)}
button,input{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-ink);letter-spacing:-0.01em}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.22}
h2{font-size:32px;line-height:1.3}
h3{font-size:20px;line-height:1.45;font-weight:600}
h4{font-size:17px;line-height:1.5;font-weight:600}
input,select,textarea{border-radius:0}
::selection{background:rgba(200,240,60,.55);color:var(--c-ink)}
:focus-visible{outline:3px solid rgba(255,122,47,.45);outline-offset:2px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.wrap{padding:0 32px}}

/* ---------- Foundation 覆盖 ---------- */
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px}
.grid-x{display:flex;flex-wrap:wrap}
.grid-x>.cell{width:100%}
@media (min-width:640px){
  .grid-x>.small-6{width:50%}
  .grid-x>.small-12{width:100%}
}
@media (min-width:1024px){
  .grid-x>.large-2{width:16.6667%}
  .grid-x>.large-4{width:33.3333%}
  .grid-x>.large-6{width:50%}
  .grid-x>.large-8{width:66.6667%}
  .grid-x>.large-12{width:100%}
}
.reveal,.accordion,.tabs{border:0;background:transparent}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.02em;line-height:1;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;flex:none}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-primary{background:var(--g-accent);color:#fff;box-shadow:var(--sh-accent)}
.btn-primary:hover{color:#fff;transform:translateY(-1px);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(1px)}
.btn-dark{background:var(--c-primary);color:#fff}
.btn-dark:hover{color:#fff;background:var(--c-primary-deep);transform:translateY(-1px)}
.btn-ghost{background:transparent;border:1px solid var(--c-line);color:var(--c-primary)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.btn-light{background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.24);color:#fff}
.btn-light:hover{background:rgba(255,255,255,0.18);color:#fff;transform:translateY(-1px)}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary)}
.btn-link svg{width:15px;height:15px;transition:transform .22s var(--ease)}
.btn-link:hover svg{transform:translateX(3px)}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;height:25px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;line-height:1;
}
.badge-lime{background:var(--c-lime);color:var(--c-ink)}
.badge-soft{background:rgba(14,90,74,.08);color:var(--c-primary)}
.badge-outline{border:1px solid var(--c-line);color:var(--c-text-2)}
.badge-dark{background:rgba(11,42,37,.9);color:var(--c-on-dark)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,246,241,0.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:32px;height:32px;border-radius:var(--r-sm);background:var(--g-brand);
  display:flex;align-items:center;justify-content:center;flex:none;
}
.brand-mark svg{width:20px;height:20px}
.brand-text{display:flex;flex-direction:column;line-height:1.15;font-size:16px}
.brand-text strong{font-weight:700;color:var(--c-ink);letter-spacing:-0.01em}
.brand-text span{font-weight:500;color:var(--c-text-2);font-size:12px}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:8px}
.nav-link{
  position:relative;padding:6px 2px;font-size:14px;font-weight:500;color:var(--c-text-2);
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  position:relative;display:flex;align-items:center;
  width:220px;height:40px;padding:0 12px 0 36px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-pill);
  transition:width .24s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease);
}
.nav-search:focus-within{width:280px;background:#fff;box-shadow:0 0 0 3px rgba(14,90,74,.18)}
.nav-search svg{position:absolute;left:12px;width:16px;height:16px;color:var(--c-text-3)}
.nav-search input{
  flex:1;min-width:0;border:0;background:transparent;font-size:13px;line-height:1;
  padding:0;outline:none;color:var(--c-text);
}
.nav-search input::placeholder{color:var(--c-text-3)}
.nav-search kbd{
  flex:none;margin-left:8px;padding:2px 6px;border-radius:var(--r-xs);
  background:var(--c-surface-2);color:var(--c-text-3);font-size:12px;font-weight:600;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;
  color:var(--c-text-2);transition:background-color .2s var(--ease),color .2s var(--ease);
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{background:var(--c-surface-2);color:var(--c-primary)}
.menu-toggle{display:none;width:40px;height:40px;border-radius:var(--r-sm);align-items:center;justify-content:center;color:var(--c-ink)}
.menu-toggle svg{width:20px;height:20px}
.menu-toggle:hover{background:var(--c-surface-2)}

.mobile-drawer{
  position:fixed;left:0;right:0;top:0;z-index:60;
  background:var(--c-ink);color:var(--c-on-dark);
  border-radius:0 0 var(--r-xl) var(--r-xl);
  padding:20px 0 28px;
  transform:translateY(-100%);opacity:0;pointer-events:none;
  transition:transform .28s var(--ease),opacity .28s var(--ease);
}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 20px 16px;border-bottom:1px solid rgba(255,255,255,.12)}
.drawer-brand{display:flex;align-items:center;gap:10px;font-size:16px}
.drawer-brand .brand-mark{background:var(--g-accent)}
.drawer-brand .brand-mark svg path{stroke:#0B2A25}
.drawer-close{width:40px;height:40px;border-radius:var(--r-sm);background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;color:#fff}
.drawer-close:hover{background:rgba(255,255,255,.18)}
.drawer-nav{display:flex;flex-direction:column;padding:8px 20px 0}
.drawer-nav a{
  height:52px;display:flex;align-items:center;justify-content:space-between;
  font-size:15px;color:var(--c-on-dark);border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer-nav a:last-child{border-bottom:0}
.drawer-nav a.is-active{color:var(--c-lime);font-weight:600}
.drawer-foot{padding:18px 20px 0;display:flex;flex-direction:column;gap:12px}
.drawer-search{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 16px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-pill);
}
.drawer-search svg{width:16px;height:16px;color:var(--c-on-dark-2)}
.drawer-search input{flex:1;border:0;background:transparent;color:#fff;font-size:14px;outline:none}
.drawer-search input::placeholder{color:rgba(234,242,238,.55)}

/* ---------- 页头 ---------- */
.page-hero{position:relative;padding:44px 0 8px;background:var(--c-bg)}
.page-hero::before{
  content:"";position:absolute;left:0;right:0;top:0;height:220px;
  background:var(--g-brand);opacity:.06;border-radius:0 0 var(--r-xl) var(--r-xl);
  pointer-events:none;
}
.page-hero-inner{position:relative;max-width:900px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);margin-bottom:16px}
.breadcrumb a{color:var(--c-text-2)}
.breadcrumb a:hover{color:var(--c-primary)}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.page-hero h1{margin-bottom:16px}
.page-hero-lead{font-size:18px;line-height:1.75;color:var(--c-text-2);max-width:34em;margin-bottom:20px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 24px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-text-2)}
.hero-points .dot{width:6px;height:6px;border-radius:50%;background:var(--g-lime);flex:none}

/* ---------- 主体布局 ---------- */
.section{padding:72px 0}
.section-tight{padding:56px 0}
.section-head{max-width:720px;margin-bottom:32px}
.section-head h2{margin-bottom:12px}
.section-head p{font-size:15px;color:var(--c-text-2);line-height:1.8;margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary);letter-spacing:.06em;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--g-accent)}

/* ---------- 步骤时间轴 ---------- */
.step-timeline{position:relative;padding-left:56px;margin-top:8px}
.step-timeline::before{
  content:"";position:absolute;left:15px;top:10px;bottom:10px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--c-primary-soft),rgba(11,42,37,.08));
}
.step-item{position:relative;margin-bottom:24px}
.step-item:last-child{margin-bottom:0}
.step-dot{
  position:absolute;left:-56px;top:20px;width:32px;height:32px;border-radius:50%;
  background:var(--g-lime);color:var(--c-ink);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 4px var(--c-bg);
}
.step-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px 32px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-card h3{margin-bottom:10px}
.step-card p{font-size:15px;line-height:1.8;color:var(--c-text-2);margin-bottom:14px}
.step-meta{display:flex;flex-wrap:wrap;gap:8px}
.step-figure{margin:16px 0 0;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--c-line)}
.step-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.step-figure figcaption{font-size:13px;color:var(--c-text-3);padding:10px 14px;background:var(--c-surface-2)}

/* ---------- 侧栏 ---------- */
.side-col{display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:17px;margin-bottom:14px}
.toc-list{display:flex;flex-direction:column;gap:4px}
.toc-list a{
  position:relative;display:block;padding:9px 12px 9px 16px;border-radius:var(--r-sm);
  font-size:14px;color:var(--c-text-2);transition:background-color .2s var(--ease),color .2s var(--ease);
}
.toc-list a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:3px;background:var(--c-accent);transition:height .2s var(--ease);
}
.toc-list a:hover{background:var(--c-surface-2);color:var(--c-primary)}
.toc-list a.is-current{background:var(--c-surface-2);color:var(--c-primary);font-weight:600}
.toc-list a.is-current::before{height:18px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.side-cta{
  background:var(--g-brand);border-radius:var(--r-xl);padding:28px 24px;color:var(--c-on-dark);
  box-shadow:var(--sh-2);
}
.side-cta h3{color:#fff;font-size:19px;margin-bottom:10px}
.side-cta p{font-size:14px;line-height:1.75;color:var(--c-on-dark-2);margin-bottom:18px}
.side-cta .btn{width:100%}
.side-facts{display:flex;flex-direction:column;gap:14px}
.side-fact{display:flex;align-items:flex-start;gap:12px}
.side-fact svg{width:18px;height:18px;color:var(--c-primary);flex:none;margin-top:4px}
.side-fact span{font-size:14px;line-height:1.7;color:var(--c-text-2)}

/* ---------- 自检清单 ---------- */
.check-panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-xl);
  padding:32px;box-shadow:var(--sh-1);
}
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 28px;margin-top:22px}
.check-item{display:flex;align-items:flex-start;gap:10px;padding:12px 14px;border-radius:var(--r-sm);background:var(--c-surface-2)}
.check-item svg{width:16px;height:16px;flex:none;margin-top:4px;color:var(--c-primary)}
.check-item span{font-size:15px;line-height:1.7;color:var(--c-text)}
.check-media{margin-top:26px;border-radius:var(--r-lg);overflow:hidden;position:relative;border:1px solid var(--c-line)}
.check-media img{width:100%;aspect-ratio:21/9;object-fit:cover}
.check-media::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(8,56,45,.72),rgba(11,42,37,.28))}
.check-media-caption{
  position:absolute;left:28px;right:28px;bottom:24px;z-index:2;color:#fff;
}
.check-media-caption strong{display:block;font-size:17px;font-weight:600;margin-bottom:6px}
.check-media-caption span{font-size:14px;color:rgba(255,255,255,.8);line-height:1.7}

/* ---------- FAQ ---------- */
.faq-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 56px 20px 20px;font-size:16px;font-weight:600;color:var(--c-ink);
  transition:background-color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--c-surface-2)}
.faq-item summary::before,.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;background:var(--c-primary);border-radius:2px;
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.faq-item summary::before{width:14px;height:2px;margin-top:-1px}
.faq-item summary::after{width:2px;height:14px;margin-top:-7px;right:28px}
.faq-item[open] summary::after{opacity:0;transform:rotate(90deg)}
.faq-item[open] summary{background:var(--c-surface-2)}
.faq-answer{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--c-text-2)}

/* ---------- 相关分类 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cat-card{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,90,74,.22);color:inherit}
.cat-card h3{font-size:17px;margin-bottom:8px}
.cat-card p{font-size:14px;line-height:1.75;color:var(--c-text-2);margin-bottom:16px}
.cat-card .btn-link{margin-top:auto}

/* ---------- 深色 CTA ---------- */
.cta-band{
  background:var(--g-brand);border-radius:var(--r-xl);padding:56px 40px;color:#fff;
  position:relative;overflow:hidden;box-shadow:var(--sh-2);
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,178,92,.32),transparent 68%);
}
.cta-band-inner{position:relative;max-width:640px}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{font-size:16px;line-height:1.8;color:var(--c-on-dark-2);margin-bottom:26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:var(--c-on-dark);margin-top:80px;border-top:1px solid transparent;border-image:var(--g-accent) 1;position:relative}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--g-accent)}
.footer-main{padding:64px 0 40px}
.footer-col{margin-bottom:28px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{background:var(--g-accent)}
.footer-brand .brand-mark svg path{stroke:#0B2A25}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text span{color:var(--c-on-dark-2)}
.footer-desc{font-size:14px;line-height:1.8;color:var(--c-on-dark-2);margin-bottom:18px;max-width:26em}
.footer-contacts{display:flex;flex-direction:column;gap:10px}
.footer-contacts a{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(234,242,238,.7)}
.footer-contacts a svg{width:16px;height:16px;flex:none}
.footer-contacts a:hover{color:#fff}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(234,242,238,.72);transition:color .18s var(--ease)}
.footer-links a:hover{color:#fff}
.footer-note{font-size:13px;line-height:1.7;color:rgba(234,242,238,.66);margin-bottom:14px}
.footer-sub{display:flex;gap:8px}
.footer-sub input{
  flex:1;min-width:0;height:40px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#fff;font-size:13px;outline:none;
}
.footer-sub input::placeholder{color:rgba(234,242,238,.5)}
.footer-sub input:focus{border-color:var(--c-primary-soft);box-shadow:0 0 0 3px rgba(111,191,168,.2)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:18px 0}
.footer-bottom-inner{display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between}
.footer-bottom p{font-size:12px;color:rgba(234,242,238,.5);margin:0}
.footer-legal{display:flex;flex-wrap:wrap;gap:16px}
.footer-legal a{font-size:12px;color:rgba(234,242,238,.5)}
.footer-legal a:hover{color:#fff}

/* ---------- 底部转化条 ---------- */
.conv-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:55;height:64px;
  display:flex;align-items:center;
  background:rgba(11,42,37,0.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-top:1px solid rgba(255,255,255,0.12);
  transform:translateY(12px);opacity:0;pointer-events:none;
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.conv-bar.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.conv-bar-inner{display:flex;align-items:center;gap:16px;width:100%}
.conv-text{font-size:14px;color:rgba(234,242,238,.78)}
.conv-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.conv-close{
  width:40px;height:40px;border-radius:var(--r-sm);background:rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:center;color:#fff;flex:none;
}
.conv-close svg{width:16px;height:16px}
.conv-close:hover{background:rgba(255,255,255,.16)}

/* ---------- 动效 ---------- */
.reveal-up{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal-up.is-in{opacity:1;transform:translateY(0)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-search{width:180px}
  .nav-search:focus-within{width:220px}
  .nav-quick{display:none}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .nav-search{display:none}
  .menu-toggle{display:flex}
  .header-inner{height:56px;gap:12px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .check-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .cta-band{padding:40px 24px}
  .site-footer{margin-top:56px}
}
@media (max-width:767px){
  body{font-size:16px;padding-bottom:56px}
  .brand-text{font-size:15px}
  .brand-text span{font-size:11px}
  .page-hero{padding:32px 0 4px}
  .page-hero::before{height:170px}
  .page-hero-lead{font-size:16px}
  h2{font-size:28px}
  .section{padding:48px 0}
  .step-timeline{padding-left:44px}
  .step-timeline::before{left:13px}
  .step-dot{left:-44px;width:28px;height:28px;font-size:12px;top:18px}
  .step-card{padding:20px}
  .check-panel{padding:22px}
  .check-media::after{background:linear-gradient(180deg,rgba(8,56,45,.35),rgba(8,56,45,.86))}
  .check-media-caption{left:18px;right:18px;bottom:18px}
  .faq-item summary{font-size:15px;padding:16px 52px 16px 16px}
  .faq-answer{padding:0 18px 18px;font-size:15px}
  .conv-bar{height:56px}
  .conv-text{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .cta-actions .btn{width:100%}
}
@media (max-width:520px){
  .hero-points{flex-direction:column;gap:8px}
  .related-grid{gap:14px}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal-up{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --c-ink:#0B2A25;
  --c-primary:#0E5A4A;
  --c-primary-deep:#08382D;
  --c-primary-soft:#6FBFA8;
  --c-accent:#FF7A2F;
  --c-accent-soft:#FFB25C;
  --c-lime:#C8F03C;
  --c-bg:#F7F6F1;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF3EF;
  --c-line:rgba(11,42,37,0.10);
  --c-text:#12211D;
  --c-text-2:#4E635D;
  --c-text-3:#8A9A94;
  --c-on-dark:#EAF2EE;
  --c-on-dark-2:rgba(234,242,238,0.72);
  --g-brand:linear-gradient(135deg,#0B2A25 0%,#0E5A4A 52%,#1E8E70 100%);
  --g-accent:linear-gradient(135deg,#FF7A2F 0%,#FFB25C 100%);
  --g-lime:linear-gradient(135deg,#C8F03C 0%,#8FD14F 100%);
  --r-xs:8px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,42,37,.06),0 8px 24px -12px rgba(11,42,37,.14);
  --sh-2:0 24px 60px -28px rgba(11,42,37,.28);
  --sh-accent:0 12px 28px -12px rgba(255,122,47,.45);
  --t:200ms cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  padding-bottom:64px;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--c-accent)}
h1,h2,h3{margin:0;color:var(--c-ink);letter-spacing:-.01em;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit}
:focus-visible{outline:3px solid rgba(255,122,47,.5);outline-offset:2px}
strong{font-weight:700}

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

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,246,241,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-row{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:var(--r-sm);background:var(--g-brand);
  display:grid;place-items:center;flex-shrink:0;
}
.brand-mark svg{width:20px;height:20px}
.brand-text{display:flex;align-items:baseline;gap:8px;font-size:16px;color:var(--c-ink);white-space:nowrap}
.brand-text strong{font-weight:700}
.brand-text span{font-weight:500;font-size:14px;color:var(--c-text-2)}
.main-nav{display:none}
@media (min-width:1024px){
  .main-nav{display:flex;align-items:center;gap:26px;margin-left:6px}
}
.nav-link{
  position:relative;display:inline-block;padding:6px 0;
  font-size:14px;font-weight:500;color:var(--c-text-2);transition:color var(--t);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{
  display:none;align-items:center;gap:8px;height:40px;width:220px;padding:0 12px;
  border-radius:var(--r-pill);border:1px solid var(--c-line);background:var(--c-surface);
  transition:width var(--t),box-shadow var(--t),border-color var(--t),background var(--t);
}
@media (min-width:1024px){.nav-search{display:flex}}
.nav-search:focus-within{
  width:280px;background:#fff;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(14,90,74,.18);
}
.nav-search svg{width:16px;height:16px;color:var(--c-text-3);flex-shrink:0}
.nav-search input,.drawer-search input{
  flex:1;min-width:0;height:auto;margin:0;padding:0;border:0;box-shadow:none;background:none;
  font-size:14px;color:var(--c-text);outline:none;
}
.nav-search input::placeholder{color:var(--c-text-3)}
.kbd{
  font-size:11px;font-weight:600;letter-spacing:.04em;padding:2px 6px;border-radius:var(--r-xs);
  background:var(--c-surface-2);color:var(--c-text-3);flex-shrink:0;
}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-sm);display:none;place-items:center;
  color:var(--c-text-2);transition:background var(--t),color var(--t);
}
@media (min-width:1200px){.icon-btn{display:grid}}
.icon-btn:hover{background:var(--c-surface-2);color:var(--c-primary)}
.icon-btn svg{width:18px;height:18px}
.nav-cta{display:none}
@media (min-width:1024px){.nav-cta{display:inline-flex}}
.nav-toggle{
  width:40px;height:40px;border-radius:var(--r-sm);background:var(--c-ink);color:#fff;
  display:grid;place-items:center;transition:background var(--t);
}
@media (min-width:1024px){.nav-toggle{display:none}}
.nav-toggle:hover{background:var(--c-primary)}
.nav-toggle svg{width:18px;height:18px}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;background:rgba(11,42,37,.55);
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  background:var(--c-ink);color:var(--c-on-dark);border-radius:0 0 var(--r-xl) var(--r-xl);
  padding:18px 20px 26px;transform:translateY(-16px);transition:transform var(--t);
  max-height:100%;overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:none}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-top .brand-text strong{color:#fff}
.drawer-top .brand-text span{color:var(--c-on-dark-2)}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-sm);background:rgba(255,255,255,.1);color:#fff;
  display:grid;place-items:center;transition:background var(--t);
}
.drawer-close:hover{background:rgba(255,255,255,.18)}
.drawer-close svg{width:16px;height:16px}
.drawer-search{
  display:flex;align-items:center;gap:10px;height:48px;padding:0 16px;margin-bottom:16px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
}
.drawer-search svg{width:16px;height:16px;color:rgba(255,255,255,.6);flex-shrink:0}
.drawer-search input{color:#fff;font-size:15px}
.drawer-search input::placeholder{color:rgba(255,255,255,.55)}
.drawer-nav{display:grid}
.drawer-nav a{
  display:flex;align-items:center;height:52px;font-size:15px;font-weight:500;
  color:var(--c-on-dark);border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer-nav a:hover{color:#fff}
.drawer-nav a.is-active{color:var(--c-lime);font-weight:600}
.drawer-cta{width:100%;margin-top:18px}

/* ============ 按钮与徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;font-size:15px;letter-spacing:.02em;
  white-space:nowrap;cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),filter var(--t),border-color var(--t);
}
.btn svg{width:16px;height:16px}
.btn-sm{height:36px;padding:0 18px;font-size:14px}
.btn-md{height:44px;padding:0 22px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-primary{background:var(--g-accent);color:#fff;box-shadow:var(--sh-accent)}
.btn-primary:hover{color:#fff;transform:translateY(-1px);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(1px)}
.btn-dark{background:var(--c-primary);color:#fff}
.btn-dark:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;border:1px solid var(--c-line);color:var(--c-primary)}
.btn-ghost:hover{border-color:var(--c-primary);background:rgba(14,90,74,.05);color:var(--c-primary)}
.btn-on-dark{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);color:#fff}
.btn-on-dark:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-1px)}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary)}
.btn-link svg{width:15px;height:15px;transition:transform var(--t)}
.btn-link:hover svg{transform:translateX(3px)}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-soft{background:rgba(14,90,74,.08);color:var(--c-primary)}
.badge-lime{background:var(--c-lime);color:var(--c-ink)}
.badge-outline{border:1px solid var(--c-line);color:var(--c-text-2)}

/* ============ 板块通用 ============ */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-head h2{font-size:clamp(24px,3vw,32px)}
.sec-head p{margin-top:14px;font-size:16px;color:var(--c-text-2);line-height:1.8}

/* ============ 分类页头 ============ */
.cat-hero{position:relative;padding:32px 0 56px;overflow:hidden}
@media (min-width:1024px){.cat-hero{padding:40px 0 84px}}
.cat-hero-band{
  position:absolute;top:0;left:16px;right:16px;height:280px;
  background:var(--g-brand);opacity:.06;border-radius:0 0 var(--r-xl) var(--r-xl);pointer-events:none;
}
.cat-hero .wrap{position:relative}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);margin-bottom:20px}
.breadcrumb a{color:var(--c-text-3)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--c-primary-soft)}
.cat-hero h1{
  font-size:clamp(28px,4.2vw,46px);line-height:1.24;margin-top:14px;
}
.cat-lead{margin-top:16px;font-size:17px;color:var(--c-text-2);max-width:34em}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cat-hero-media{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);
  box-shadow:var(--sh-1);margin-top:32px;background:var(--g-brand);
}
@media (min-width:1024px){.cat-hero-media{margin-top:0}}
.cat-hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* ============ 图文交替 ============ */
.alt-row{
  display:grid;gap:28px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);margin-bottom:24px;
  transition:transform var(--t),box-shadow var(--t);
}
.alt-row:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
@media (min-width:768px){.alt-row{grid-template-columns:1fr 1fr;gap:40px;padding:32px}}
@media (min-width:1024px){.alt-row{padding:40px;margin-bottom:32px}}
.alt-row h3{font-size:20px;font-weight:600;line-height:1.45}
.alt-row .alt-text p{margin-top:14px;font-size:16px;color:var(--c-text-2);line-height:1.85}
.alt-media{border-radius:var(--r-md);overflow:hidden;background:var(--g-brand);border:1px solid var(--c-line)}
.alt-media img{width:100%;aspect-ratio:3/2;object-fit:cover}
@media (min-width:768px){
  .alt-row--reverse .alt-media{order:-1}
}
.check-list{display:grid;gap:10px;margin-top:20px}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--c-text-2);line-height:1.7}
.tick{
  width:20px;height:20px;border-radius:var(--r-xs);background:var(--g-lime);
  display:grid;place-items:center;flex-shrink:0;margin-top:3px;
}
.tick svg{width:12px;height:12px;color:var(--c-ink)}

/* ============ 习惯卡片 ============ */
.spot-grid{display:grid;gap:20px}
@media (min-width:640px){.spot-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.spot-grid{grid-template-columns:repeat(4,1fr)}}
.spot-card{
  position:relative;overflow:hidden;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t);
}
.spot-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--g-accent);
  transform:scaleX(0);transform-origin:left;transition:transform 220ms cubic-bezier(.22,.61,.36,1);
}
.spot-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.spot-card:hover::before{transform:scaleX(1)}
.spot-num{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-primary-soft)}
.spot-card h3{font-size:18px;font-weight:600;margin:10px 0 10px}
.spot-card p{font-size:15px;color:var(--c-text-2);line-height:1.75}

/* ============ 处理顺序 ============ */
.step-grid{display:grid;gap:20px}
@media (min-width:768px){.step-grid{grid-template-columns:repeat(3,1fr)}}
.step-card{
  background:var(--c-surface-2);border-radius:var(--r-lg);padding:26px;
  border:1px solid var(--c-line);transition:transform var(--t),box-shadow var(--t);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-1)}
.step-index{
  width:40px;height:40px;border-radius:var(--r-sm);background:var(--g-lime);color:var(--c-ink);
  display:grid;place-items:center;font-weight:700;font-size:16px;
  font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:18px;margin:16px 0 10px}
.step-card p{font-size:15px;color:var(--c-text-2);line-height:1.75}

/* ============ FAQ ============ */
.faq-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;max-width:920px;
}
.faq-item + .faq-item{border-top:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px;text-align:left;font-size:16px;font-weight:600;color:var(--c-ink);
  transition:background var(--t);
}
.faq-q:hover{background:var(--c-surface-2)}
.faq-sign{position:relative;width:18px;height:18px;flex-shrink:0}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
  transition:transform var(--t),opacity var(--t);
}
.faq-sign::before{top:8px;left:0;width:18px;height:2px}
.faq-sign::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-sign::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms cubic-bezier(.22,.61,.36,1)}
.faq-a-inner{padding:0 20px 20px;font-size:15px;color:var(--c-text-2);line-height:1.8}

/* ============ CTA ============ */
.cta-block{
  position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--g-brand);
  padding:44px 24px;text-align:center;color:var(--c-on-dark);
}
@media (min-width:1024px){.cta-block{padding:64px 56px}}
.cta-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.22}
.cta-block::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(11,42,37,.9) 0%,rgba(11,42,37,.5) 60%,rgba(11,42,37,.25) 100%);
}
.cta-inner{position:relative;z-index:2;max-width:660px;margin:0 auto}
.cta-block h2{color:#fff;font-size:clamp(24px,3vw,32px)}
.cta-block p{color:var(--c-on-dark-2);font-size:16px;margin:14px 0 26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--c-ink);color:var(--c-on-dark);margin-top:80px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--g-accent)}
.footer-main{padding:56px 0 36px}
.footer-col{margin-bottom:28px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text span{color:var(--c-on-dark-2)}
.footer-desc{font-size:14px;line-height:1.8;color:var(--c-on-dark-2);max-width:32em}
.footer-contacts{display:grid;gap:10px;margin-top:18px}
.footer-contacts a{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-on-dark-2)}
.footer-contacts a:hover{color:#fff}
.footer-contacts svg{width:16px;height:16px;flex-shrink:0}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:var(--c-on-dark-2);transition:color 180ms ease}
.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0 26px;font-size:12px;color:rgba(255,255,255,.5)}
.footer-bottom .wrap{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}

/* ============ 底部固定转化条 ============ */
.conv-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;height:64px;
  display:flex;align-items:center;gap:16px;padding:0 20px;
  background:rgba(11,42,37,.94);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-top:1px solid rgba(255,255,255,.12);
  opacity:0;visibility:hidden;transform:translateY(16px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.conv-bar.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.conv-text{font-size:14px;color:rgba(255,255,255,.78);margin-right:auto}
.conv-text-short{display:none;font-size:14px;color:rgba(255,255,255,.78);margin-right:auto}
.conv-close{
  width:40px;height:40px;border-radius:var(--r-sm);background:rgba(255,255,255,.1);color:#fff;
  display:grid;place-items:center;transition:background var(--t);flex-shrink:0;
}
.conv-close:hover{background:rgba(255,255,255,.18)}
.conv-close svg{width:14px;height:14px}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 500ms cubic-bezier(.22,.61,.36,1),transform 500ms cubic-bezier(.22,.61,.36,1)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{transition-duration:.01ms!important;animation-duration:.01ms!important;scroll-behavior:auto!important}
}

@media (max-width:767px){
  body{font-size:16px;padding-bottom:56px}
  .conv-bar{height:56px;padding:0 14px;gap:10px}
  .conv-text{display:none}
  .conv-text-short{display:block}
  .faq-q{font-size:15px;padding:16px}
  .faq-a-inner{padding:0 16px 16px}
  .alt-row{padding:20px}
  .spot-card,.step-card{padding:20px}
}
@media (max-width:519px){
  .brand-text span{display:none}
  .cat-hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
}

/* roulang page: category3 */
:root{
  --c-ink:#0B2A25;
  --c-primary:#0E5A4A;
  --c-primary-deep:#08382D;
  --c-primary-soft:#6FBFA8;
  --c-accent:#FF7A2F;
  --c-accent-soft:#FFB25C;
  --c-lime:#C8F03C;
  --c-bg:#F7F6F1;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF3EF;
  --c-line:rgba(11,42,37,0.10);
  --c-text:#12211D;
  --c-text-2:#4E635D;
  --c-text-3:#8A9A94;
  --c-on-dark:#EAF2EE;
  --c-on-dark-2:rgba(234,242,238,0.72);
  --g-brand:linear-gradient(135deg,#0B2A25 0%,#0E5A4A 52%,#1E8E70 100%);
  --g-accent:linear-gradient(135deg,#FF7A2F 0%,#FFB25C 100%);
  --g-lime:linear-gradient(135deg,#C8F03C 0%,#8FD14F 100%);
  --r-xs:8px; --r-sm:12px; --r-md:16px; --r-lg:24px; --r-xl:32px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,42,37,.06),0 8px 24px -12px rgba(11,42,37,.14);
  --sh-2:0 24px 60px -28px rgba(11,42,37,.28);
  --sh-accent:0 12px 28px -12px rgba(255,122,47,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:17px;line-height:1.85;color:var(--c-text);background:var(--c-bg);
  padding-bottom:64px;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button{font-family:inherit}
input,select,textarea{font-family:inherit;font-size:16px}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
input[type="search"],input[type="text"],input[type="email"]{
  -webkit-appearance:none;appearance:none;border-radius:0;margin:0;box-shadow:none;background:transparent;
}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.wrap{padding:0 32px}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,241,.86);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-wrap{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:var(--r-sm);background:var(--g-brand);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 32px;
}
.brand-mark svg{width:20px;height:20px}
.brand-text{display:inline-flex;align-items:baseline;gap:8px;font-size:16px;white-space:nowrap}
.brand-text strong{font-weight:700;color:var(--c-ink)}
.brand-text span{font-weight:500;color:var(--c-text-2);font-size:14px}
.main-nav{display:flex;align-items:center;gap:28px;flex:1 1 auto}
.nav-link{
  position:relative;font-size:14px;font-weight:500;color:var(--c-text-2);
  padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;width:220px;
  padding:0 10px 0 14px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);
  transition:width .24s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.nav-search:focus-within{width:280px;background:#fff;box-shadow:0 0 0 3px rgba(14,90,74,.18)}
.nav-search svg{width:16px;height:16px;color:var(--c-text-3);flex:0 0 16px}
.nav-search input{flex:1;min-width:0;border:0;outline:0;font-size:13px;color:var(--c-text);background:transparent}
.nav-search input::placeholder{color:var(--c-text-3)}
.kbd{
  font-size:11px;font-weight:600;color:var(--c-text-3);background:var(--c-surface-2);
  border-radius:var(--r-xs);padding:2px 6px;line-height:1.4;flex:0 0 auto;
}
.nav-quick{display:flex;gap:8px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-sm);border:0;background:transparent;
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-text-2);
  cursor:pointer;transition:background-color .2s var(--ease),color .2s var(--ease);
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{background:var(--c-surface-2);color:var(--c-primary)}
.icon-btn:focus-visible{outline:3px solid rgba(255,122,47,.35);outline-offset:2px}
.nav-burger{display:none}
@media (max-width:1099px){
  .nav-search{display:none}
}
@media (max-width:1023px){
  .nav-wrap{height:56px;gap:14px}
  .main-nav{display:none}
  .nav-quick{display:none}
  .nav-tools .btn{display:none}
  .nav-burger{display:inline-flex}
  .brand-text span{display:none}
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;font-size:14px;height:44px;padding:0 22px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),filter .2s var(--ease);
}
.btn-primary{background:var(--g-accent);color:#fff;box-shadow:var(--sh-accent)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);color:#fff}
.btn-primary:active{transform:translateY(1px)}
.btn-dark{background:var(--c-primary);color:#fff}
.btn-dark:hover{transform:translateY(-1px);background:var(--c-primary-deep);color:#fff}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-surface-2);border-color:rgba(14,90,74,.28)}
.btn-sm{height:40px;padding:0 18px;font-size:13px}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn:focus-visible{outline:3px solid rgba(255,122,47,.35);outline-offset:2px}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);
  background:none;border:0;padding:0;cursor:pointer;
}
.btn-link svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.btn-link:hover svg{transform:translateX(3px)}

/* 移动抽屉 */
.nav-drawer{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:var(--c-ink);color:var(--c-on-dark);
  border-bottom-left-radius:var(--r-xl);border-bottom-right-radius:var(--r-xl);
  padding:22px 20px 26px;
  transform:translateY(-112%);transition:transform .3s var(--ease);
  box-shadow:var(--sh-2);
}
.nav-drawer.is-open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-sm);border:0;background:rgba(255,255,255,.10);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
}
.drawer-close:hover{background:rgba(255,255,255,.18)}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;border-bottom:1px solid rgba(255,255,255,.10);font-size:15px;color:var(--c-on-dark);
}
.drawer-nav a:last-child{border-bottom:0}
.drawer-nav a.is-active{color:var(--c-lime);font-weight:600}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;margin:16px 0 18px;
  padding:0 16px;border-radius:var(--r-pill);background:rgba(255,255,255,.10);
}
.drawer-search input{flex:1;border:0;outline:0;background:transparent;color:#fff;font-size:14px}
.drawer-search input::placeholder{color:rgba(255,255,255,.55)}
.drawer-search svg{width:16px;height:16px;color:var(--c-on-dark-2)}
.drawer-cta{width:100%}

/* ============ 页头 ============ */
.page-hero{position:relative;padding:76px 0 44px;text-align:center;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:min(1240px,96%);height:220px;background:var(--g-brand);opacity:.06;
  border-bottom-left-radius:var(--r-xl);border-bottom-right-radius:var(--r-xl);
}
.page-hero .wrap{position:relative;z-index:1}
.crumb{
  display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--c-text-3);margin-bottom:18px;
}
.crumb a:hover{color:var(--c-primary)}
.crumb span.sep{color:var(--c-primary-soft)}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-soft{background:rgba(14,90,74,.08);color:var(--c-primary)}
.badge-lime{background:var(--c-lime);color:var(--c-ink)}
.badge-outline{border:1px solid var(--c-line);color:var(--c-text-2)}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);font-weight:700;line-height:1.22;letter-spacing:-.01em;
  color:var(--c-ink);margin:18px auto 16px;max-width:16em;
}
.hero-lead{
  font-size:17px;color:var(--c-text-2);max-width:40em;margin:0 auto;line-height:1.8;
}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:24px}

/* ============ 搜索 ============ */
.search-zone{padding:8px 0 12px}
.faq-search{
  display:flex;align-items:center;gap:12px;height:56px;max-width:780px;margin:0 auto;
  padding:0 8px 0 20px;border-radius:var(--r-pill);background:var(--c-surface);
  border:1px solid var(--c-line);box-shadow:var(--sh-1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(14,90,74,.12)}
.faq-search > svg{width:20px;height:20px;color:var(--c-text-3);flex:0 0 20px}
.faq-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:16px;color:var(--c-text)}
.faq-search input::placeholder{color:var(--c-text-3)}
.hot-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:18px}
.hot-tags .badge-outline{cursor:pointer;transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.hot-tags .badge-outline:hover{background:var(--c-surface-2);color:var(--c-primary);border-color:rgba(14,90,74,.24)}

/* ============ 板块通用 ============ */
.section{padding:84px 0}
@media (max-width:1023px){.section{padding:64px 0}}
@media (max-width:639px){.section{padding:48px 0}}
.section-head{max-width:640px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:32px;font-weight:700;line-height:1.3;color:var(--c-ink)}
@media (max-width:639px){.section-head h2{font-size:28px}}
.section-head p{margin-top:14px;font-size:15px;line-height:1.75;color:var(--c-text-2)}

/* ============ FAQ 分组 ============ */
.faq-group{margin-bottom:40px}
.faq-group:last-child{margin-bottom:0}
.faq-group-title{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.faq-group-title h3{font-size:20px;font-weight:600;color:var(--c-ink)}
@media (max-width:639px){.faq-group-title h3{font-size:18px}}
.faq-group-title .count{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--c-surface-2);color:var(--c-text-2);font-size:12px;font-weight:600;
}
.faq-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--c-line)}
.faq-q{
  display:flex;width:100%;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--c-text);line-height:1.6;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.faq-q:hover{background:var(--c-surface-2);color:var(--c-primary)}
.faq-q:focus-visible{outline:3px solid rgba(255,122,47,.35);outline-offset:-3px}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
  transition:transform .22s var(--ease);
}
.faq-icon::before{top:8px;left:0;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--c-text-2)}
@media (max-width:639px){
  .faq-q{padding:16px;font-size:15px}
  .faq-a-inner{padding:0 16px 18px;font-size:14px}
}

/* ============ 排查顺序 ============ */
.steps-row{display:flex;gap:20px;flex-wrap:wrap}
.step-card{
  flex:1 1 260px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px 26px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--g-accent);
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-card:hover::before{transform:scaleX(1)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border-radius:var(--r-xs);background:var(--g-lime);color:var(--c-ink);
  font-size:14px;font-weight:700;margin-bottom:16px;
}
.step-card h3{font-size:18px;font-weight:600;color:var(--c-ink);margin-bottom:10px}
.step-card p{font-size:15px;line-height:1.75;color:var(--c-text-2)}

/* ============ 分类卡 ============ */
.cards-row{margin-top:8px}
.cat-card{
  display:flex;flex-direction:column;height:100%;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.cat-card figure{margin:0;aspect-ratio:16/10;overflow:hidden;background:var(--g-brand)}
.cat-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.cat-card:hover img{transform:scale(1.04)}
.cat-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.cat-body h3{font-size:20px;font-weight:600;color:var(--c-ink)}
.cat-body p{font-size:15px;line-height:1.75;color:var(--c-text-2)}
.cat-body .btn-link{margin-top:auto}

/* ============ CTA ============ */
.cta-card{
  background:var(--c-surface-2);border-radius:var(--r-xl);padding:56px 32px;text-align:center;
  border:1px solid var(--c-line);
}
.cta-card h2{font-size:28px;font-weight:700;color:var(--c-ink)}
@media (max-width:639px){.cta-card h2{font-size:24px}.cta-card{padding:40px 22px}}
.cta-card p{margin:16px auto 0;max-width:36em;font-size:16px;line-height:1.8;color:var(--c-text-2)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--c-ink);color:var(--c-on-dark);margin-top:96px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--g-accent)}
.footer-main{padding:64px 0 44px}
.footer-col{margin-bottom:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--g-brand)}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text span{color:var(--c-on-dark-2)}
.footer-desc{font-size:14px;line-height:1.8;color:var(--c-on-dark-2);max-width:28em;margin-bottom:18px}
.footer-contacts{display:flex;flex-direction:column;gap:10px}
.footer-contacts a{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--c-on-dark-2)}
.footer-contacts a:hover{color:#fff}
.footer-contacts svg{width:16px;height:16px;flex:0 0 16px}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13px;color:var(--c-on-dark-2)}
.footer-links a:hover{color:#fff}
.footer-sub{display:flex;flex-direction:column;gap:10px}
.footer-sub input{
  height:40px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#fff;padding:0 12px;font-size:13px;outline:0;
}
.footer-sub input::placeholder{color:rgba(234,242,238,.5)}
.footer-sub input:focus{border-color:var(--c-primary-soft);box-shadow:0 0 0 3px rgba(111,191,168,.18)}
.footer-sub .btn{width:100%;height:40px;padding:0 12px;font-size:13px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:20px 0 26px}
.footer-bottom .wrap{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}
.footer-bottom p{font-size:12px;color:rgba(234,242,238,.5);line-height:1.7}

/* ============ 底部转化条 ============ */
.conv-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;height:64px;
  background:rgba(11,42,37,.94);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;
  transform:translateY(8px);opacity:0;pointer-events:none;
  transition:opacity .26s var(--ease),transform .26s var(--ease);
}
.conv-bar.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.conv-bar.is-closed{display:none}
.conv-inner{display:flex;align-items:center;gap:16px;width:100%}
.conv-text{font-size:14px;color:rgba(234,242,238,.78)}
.conv-inner .btn-primary{margin-left:auto}
.conv-close{
  width:40px;height:40px;flex:0 0 40px;border:0;border-radius:var(--r-sm);
  background:rgba(255,255,255,.10);color:#fff;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background-color .2s var(--ease);
}
.conv-close:hover{background:rgba(255,255,255,.18)}
.conv-close svg{width:16px;height:16px}
@media (max-width:639px){
  body{padding-bottom:56px}
  .conv-bar{height:56px}
  .conv-text{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .conv-close{width:36px;height:36px;flex:0 0 36px}
}

/* 淡入 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category4 */
:root{
  --c-ink:#0B2A25;
  --c-primary:#0E5A4A;
  --c-primary-deep:#08382D;
  --c-primary-soft:#6FBFA8;
  --c-accent:#FF7A2F;
  --c-accent-soft:#FFB25C;
  --c-lime:#C8F03C;
  --c-bg:#F7F6F1;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF3EF;
  --c-line:rgba(11,42,37,.10);
  --c-text:#12211D;
  --c-text-2:#4E635D;
  --c-text-3:#8A9A94;
  --c-on-dark:#EAF2EE;
  --c-on-dark-2:rgba(234,242,238,.72);
  --g-brand:linear-gradient(135deg,#0B2A25 0%,#0E5A4A 52%,#1E8E70 100%);
  --g-accent:linear-gradient(135deg,#FF7A2F 0%,#FFB25C 100%);
  --g-lime:linear-gradient(135deg,#C8F03C 0%,#8FD14F 100%);
  --r-xs:8px;--r-sm:12px;--r-md:16px;--r-lg:24px;--r-xl:32px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(11,42,37,.06),0 8px 24px -12px rgba(11,42,37,.14);
  --sh-2:0 24px 60px -28px rgba(11,42,37,.28);
  --sh-accent:0 12px 28px -12px rgba(255,122,47,.45);
  --t:240ms cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0 0 64px;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:17px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:0}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),opacity var(--t)}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit;outline:none}
button{border:0;background:none;cursor:pointer;color:inherit}
input{border-radius:0}
::selection{background:rgba(255,122,47,.22)}
:focus-visible{outline:3px solid rgba(255,122,47,.35);outline-offset:2px}

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

.section{padding:56px 0}
@media (min-width:640px){.section{padding:72px 0}}
@media (min-width:1024px){.section{padding:96px 0}}
.section-tight{padding:32px 0 48px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.sec-head h2{font-size:26px}
@media (min-width:1024px){.sec-head h2{font-size:32px}}
.sec-sub{font-size:15px;color:var(--c-text-2);max-width:56ch;margin-top:8px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--c-primary);text-transform:none}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--g-accent)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,241,.86);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(247,246,241,.96)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-ink)}
.brand:hover{color:var(--c-ink)}
.brand-mark{
  width:32px;height:32px;border-radius:var(--r-sm);
  background:var(--g-brand);display:grid;place-items:center;
  box-shadow:0 6px 16px -8px rgba(11,42,37,.65);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{display:flex;align-items:baseline;gap:8px;font-size:16px}
.brand-text strong{font-weight:700;color:var(--c-ink);letter-spacing:-.01em}
.brand-text span{font-weight:500;color:var(--c-text-2);font-size:13.5px}

.main-nav{display:none;align-items:center;gap:26px;margin-left:6px}
@media (min-width:1024px){.main-nav{display:flex}}
.nav-link{position:relative;font-size:14px;font-weight:500;color:var(--c-text-2);padding:6px 0;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}

.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.cmd-search{
  display:none;align-items:center;gap:8px;height:40px;width:220px;padding:0 8px 0 12px;
  border-radius:var(--r-pill);background:var(--c-surface);border:1px solid var(--c-line);
  transition:width var(--t),box-shadow var(--t),border-color var(--t),background var(--t);
}
@media (min-width:1200px){.cmd-search{display:flex}}
.cmd-search:focus-within{width:280px;background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,90,74,.18)}
.cmd-search svg{flex:0 0 16px;color:var(--c-text-3)}
.cmd-search input{flex:1;min-width:0;height:100%;border:0;background:transparent;font-size:14px;color:var(--c-text)}
.cmd-search input::placeholder{color:var(--c-text-3)}
.kbd{
  flex:0 0 auto;height:22px;padding:0 7px;display:inline-flex;align-items:center;
  border-radius:var(--r-xs);background:var(--c-surface-2);color:var(--c-text-3);
  font-size:12px;font-weight:600;font-variant-numeric:tabular-nums;
}
.nav-icons{display:none;align-items:center;gap:4px}
@media (min-width:640px){.nav-icons{display:flex}}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:var(--r-sm);
  color:var(--c-text-2);transition:background var(--t),color var(--t);
}
.icon-btn:hover{background:var(--c-surface-2);color:var(--c-primary)}
.nav-cta{display:none}
@media (min-width:768px){.nav-cta{display:inline-flex}}
.menu-toggle{
  width:40px;height:40px;display:grid;place-items:center;border-radius:var(--r-sm);
  color:var(--c-ink);background:var(--c-surface-2);
}
@media (min-width:1024px){.menu-toggle{display:none}}

.mobile-drawer{
  position:fixed;left:0;right:0;top:0;z-index:80;
  background:var(--c-ink);color:var(--c-on-dark);
  border-bottom-left-radius:var(--r-xl);border-bottom-right-radius:var(--r-xl);
  padding:20px 20px 28px;
  transform:translateY(-102%);visibility:hidden;
  transition:transform 300ms cubic-bezier(.22,.61,.36,1),visibility 300ms;
  box-shadow:var(--sh-2);
}
.mobile-drawer.is-open{transform:translateY(0);visibility:visible}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-top .brand-text strong,.drawer-top .brand-text span{color:#fff}
.drawer-close{width:40px;height:40px;border-radius:var(--r-sm);background:rgba(255,255,255,.10);color:#fff;display:grid;place-items:center}
.drawer-search{display:flex;align-items:center;gap:8px;height:48px;padding:0 16px;border-radius:var(--r-pill);background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);margin-bottom:14px}
.drawer-search svg{color:rgba(255,255,255,.6)}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;color:#fff;font-size:15px}
.drawer-search input::placeholder{color:rgba(255,255,255,.5)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;color:var(--c-on-dark);font-size:16px;font-weight:500;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.drawer-nav a:hover{color:#fff}
.drawer-nav a.is-active{color:var(--c-lime);font-weight:600}
.drawer-cta{width:100%;margin-top:20px}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  border:1px solid transparent;font-size:15px;font-weight:600;
  cursor:pointer;white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),background-color var(--t),color var(--t),border-color var(--t),filter var(--t);
}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-primary{background:var(--g-accent);color:#fff;box-shadow:var(--sh-accent)}
.btn-primary:hover{color:#fff;transform:translateY(-1px);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(1px);filter:brightness(.98)}
.btn-dark{background:var(--c-primary);color:#fff}
.btn-dark:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-primary)}
.btn-ghost:hover{border-color:var(--c-primary);background:rgba(14,90,74,.06);color:var(--c-primary);transform:translateY(-1px)}
.btn-light{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.26);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.20);color:#fff;transform:translateY(-1px)}

.badge{
  display:inline-flex;align-items:center;gap:6px;height:25px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.badge-lime{background:var(--c-lime);color:var(--c-ink)}
.badge-soft{background:rgba(14,90,74,.08);color:var(--c-primary)}
.badge-outline{border:1px solid var(--c-line);color:var(--c-text-2)}
.badge-accent{background:rgba(255,122,47,.12);color:#C24E0D}

.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary)}
.link-arrow svg{transition:transform var(--t)}
.link-arrow:hover{color:var(--c-accent)}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- 页头 ---------- */
.page-hero{position:relative;padding-top:32px}
.page-hero::before{
  content:"";position:absolute;left:0;right:0;top:0;height:220px;
  background:var(--g-brand);opacity:.06;
  border-bottom-left-radius:var(--r-xl);border-bottom-right-radius:var(--r-xl);
  z-index:0;
}
.hero-bar{position:relative;z-index:1;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;padding:28px 0 6px}
.hero-left{max-width:760px}
.hero-left h1{font-size:clamp(26px,3.4vw,40px);margin-top:14px}
.hero-sub{margin-top:14px;font-size:16px;color:var(--c-text-2);max-width:44ch}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);padding-bottom:8px}
.breadcrumb a{color:var(--c-text-2)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--c-text-3)}
.breadcrumb .cur{color:var(--c-ink);font-weight:600}

.filter-row{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:10px;padding:22px 0 34px}
.filter-pill{
  height:36px;display:inline-flex;align-items:center;padding:0 18px;
  border-radius:var(--r-pill);border:1px solid var(--c-line);background:var(--c-surface);
  font-size:14px;font-weight:500;color:var(--c-text-2);
  transition:all var(--t);
}
.filter-pill:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.filter-pill.is-active{background:var(--c-accent);border-color:var(--c-accent);color:#fff;box-shadow:var(--sh-accent)}

/* ---------- 数据带 ---------- */
.stat-strip{background:var(--c-ink);border-radius:var(--r-xl);overflow:hidden}
.stat-cell{padding:26px 24px;border-left:1px solid rgba(255,255,255,.12)}
.stat-cell:first-child{border-left:0}
@media (max-width:639px){
  .stat-cell{border-left:0;border-top:1px solid rgba(255,255,255,.12)}
  .stat-cell:first-child{border-top:0}
}
.stat-num{font-size:clamp(28px,3.2vw,40px);font-weight:700;color:#fff;line-height:1.15;font-variant-numeric:tabular-nums}
.stat-label{margin-top:8px;font-size:13px;color:rgba(234,242,238,.62)}
.stat-line{width:40px;height:3px;border-radius:3px;background:var(--g-lime);margin-top:14px}

/* ---------- 时间线 ---------- */
.tl-list{display:flex;flex-direction:column}
.tl-row{display:flex;gap:18px;padding-bottom:20px;transition:opacity var(--t)}
.tl-row.is-hidden{display:none}
.tl-row:last-child{padding-bottom:0}
.tl-date{
  flex:0 0 84px;align-self:flex-start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-sm);
  padding:12px 6px;text-align:center;box-shadow:var(--sh-1);
}
.tl-day{display:block;font-size:20px;font-weight:700;color:var(--c-ink);line-height:1.2;font-variant-numeric:tabular-nums}
.tl-my{display:block;font-size:12px;color:var(--c-text-3);margin-top:2px}
.tl-rail{position:relative;flex:0 0 1px;background:var(--c-line);margin:8px 0}
.tl-dot{
  position:absolute;top:14px;left:50%;width:12px;height:12px;border-radius:50%;
  background:var(--g-lime);border:2px solid var(--c-bg);transform:translateX(-50%);
}
.tl-card{
  flex:1;min-width:0;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,90,74,.24)}
.tl-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.tl-time{font-size:13px;color:var(--c-text-3);font-variant-numeric:tabular-nums}
.tl-title{font-size:19px;font-weight:600;color:var(--c-ink);line-height:1.5}
.tl-desc{margin-top:10px;font-size:15px;line-height:1.75;color:var(--c-text-2)}
.tl-card .link-arrow{margin-top:14px}

@media (min-width:640px){
  .tl-row{gap:24px}
  .tl-date{flex:0 0 96px}
  .tl-card{padding:24px}
  .tl-title{font-size:20px}
}
.pager{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:36px;flex-wrap:wrap}
.pager-btn{
  min-width:40px;height:40px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-text-2);font-size:14px;font-weight:600;
  transition:all var(--t);
}
.pager-btn:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.pager-btn.is-current{background:var(--c-accent);border-color:var(--c-accent);color:#fff;box-shadow:var(--sh-accent)}
.pager-gap{color:var(--c-text-3);padding:0 4px}

/* ---------- 重点解读 ---------- */
.read-card{
  display:grid;grid-template-columns:1fr;gap:0;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
}
@media (min-width:1024px){.read-card{grid-template-columns:5fr 7fr}}
.read-media{position:relative;min-height:240px}
.read-media img{width:100%;height:100%;object-fit:cover;min-height:240px}
.read-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(11,42,37,.42) 0%,rgba(11,42,37,.06) 62%);
}
.read-body{padding:28px}
@media (min-width:1024px){.read-body{padding:40px}}
.read-body h2{font-size:24px;margin-bottom:14px}
@media (min-width:1024px){.read-body h2{font-size:30px}}
.read-body p{font-size:16px;line-height:1.85;color:var(--c-text-2)}
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:10px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--c-text-2)}
.check-list svg{flex:0 0 18px;margin-top:5px}
.read-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}

/* ---------- 订阅 ---------- */
.sub-band{
  position:relative;background:var(--g-brand);border-radius:var(--r-xl);
  padding:34px 28px;color:#fff;overflow:hidden;
}
.sub-band::before{
  content:"";position:absolute;right:-80px;top:-90px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,178,92,.28) 0%,rgba(255,178,92,0) 70%);
}
.sub-inner{position:relative;z-index:1;display:flex;gap:26px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.sub-text h2{color:#fff;font-size:24px}
.sub-text p{margin-top:10px;font-size:15px;color:var(--c-on-dark-2);max-width:46ch}
.sub-form{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.sub-form input{
  height:48px;width:260px;max-width:100%;padding:0 20px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.12);
  color:#fff;font-size:15px;
  transition:border-color var(--t),background var(--t),box-shadow var(--t);
}
.sub-form input::placeholder{color:rgba(255,255,255,.6)}
.sub-form input:focus{border-color:rgba(255,255,255,.7);background:rgba(255,255,255,.18);box-shadow:0 0 0 3px rgba(255,255,255,.16)}
.form-tip{width:100%;font-size:13px;color:rgba(234,242,238,.62)}

/* ---------- FAQ ---------- */
.faq-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.faq-item{border-top:1px solid var(--c-line)}
.faq-item:first-child{border-top:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px;text-align:left;font-size:16px;font-weight:600;color:var(--c-ink);
  transition:background var(--t),color var(--t);
}
.faq-q:hover{background:var(--c-surface-2);color:var(--c-primary)}
.faq-ico{position:relative;flex:0 0 18px;height:18px}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform var(--t),opacity var(--t)}
.faq-ico::before{left:0;right:0;top:8px;height:2px}
.faq-ico::after{top:0;bottom:0;left:8px;width:2px}
.faq-item.is-open .faq-ico::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms cubic-bezier(.22,.61,.36,1)}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--c-text-2)}

/* ---------- 相关分类 ---------- */
.cat-card{
  display:flex;align-items:center;gap:16px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:18px;box-shadow:var(--sh-1);height:100%;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,90,74,.24)}
.cat-thumb{flex:0 0 72px;width:72px;height:72px;border-radius:var(--r-md);overflow:hidden;background:var(--g-brand)}
.cat-thumb img{width:100%;height:100%;object-fit:cover}
.cat-text{min-width:0;flex:1}
.cat-text h3{font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.4}
.cat-text p{margin-top:6px;font-size:14px;line-height:1.65;color:var(--c-text-2)}
.cat-arrow{flex:0 0 auto;color:var(--c-primary);transition:transform var(--t)}
.cat-card:hover .cat-arrow{transform:translateX(4px);color:var(--c-accent)}

/* ---------- 深色 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--g-brand);color:#fff;padding:44px 28px;
}
.cta-band .cta-bg{position:absolute;inset:0;opacity:.22}
.cta-band .cta-bg img{width:100%;height:100%;object-fit:cover}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(11,42,37,.86) 0%,rgba(14,90,74,.62) 100%)}
.cta-inner{position:relative;z-index:1;max-width:640px}
.cta-inner h2{color:#fff;font-size:clamp(24px,2.8vw,32px)}
.cta-inner p{margin-top:14px;font-size:16px;color:var(--c-on-dark-2)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:var(--c-on-dark);margin-top:8px;position:relative}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--g-accent)}
.footer-main{padding:56px 0 32px}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand .brand-text strong,.footer-brand .brand-text span{color:#fff}
.footer-brand .brand-text span{color:rgba(234,242,238,.7)}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(234,242,238,.66);max-width:34ch}
.footer-contacts{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.footer-contacts a{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(234,242,238,.72)}
.footer-contacts a svg{flex:0 0 18px;width:18px;height:18px}
.footer-contacts a:hover{color:#fff}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(234,242,238,.66)}
.footer-links a:hover{color:#fff}
.footer-sub{font-size:13px;color:rgba(234,242,238,.6);margin-bottom:12px;line-height:1.7}
.footer-form{display:flex;gap:8px;flex-wrap:wrap}
.footer-form input{
  flex:1 1 140px;min-width:0;height:40px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);
  color:#fff;font-size:14px;transition:border-color var(--t),background var(--t);
}
.footer-form input::placeholder{color:rgba(234,242,238,.45)}
.footer-form input:focus{border-color:rgba(255,255,255,.55);background:rgba(255,255,255,.14)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:18px 0}
.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(234,242,238,.5)}
.footer-col{padding-bottom:28px}

/* ---------- 底部转化条 ---------- */
.conv-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:64px;display:flex;align-items:center;gap:16px;padding:0 20px;
  background:rgba(11,42,37,.94);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-top:1px solid rgba(255,255,255,.12);
  transform:translateY(110%);opacity:0;
  transition:transform 280ms cubic-bezier(.22,.61,.36,1),opacity 280ms;
}
.conv-bar.is-visible{transform:translateY(0);opacity:1}
.conv-bar.is-closed{display:none}
.conv-text{font-size:14px;color:rgba(234,242,238,.78);line-height:1.4}
.conv-text strong{color:#fff;font-weight:600}
.conv-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.conv-close{width:40px;height:40px;border-radius:var(--r-sm);background:rgba(255,255,255,.10);color:#fff;display:grid;place-items:center;transition:background var(--t)}
.conv-close:hover{background:rgba(255,255,255,.18)}
@media (max-width:639px){
  .conv-bar{height:56px;padding:0 14px}
  .conv-text em{display:none}
  .conv-text{font-size:13px}
}
body.no-scroll{overflow:hidden}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1!important;transform:none!important}
}
.reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms cubic-bezier(.22,.61,.36,1),transform 520ms cubic-bezier(.22,.61,.36,1)}
.reveal.is-in{opacity:1;transform:none}