:root{--ink:#10211b;--muted:#5c6b64;--line:#dce7df;--green:#176b4b;--green2:#25805d;--paper:#fff;--wash:#f2f7f3;--warm:#f4a261;--shadow:0 22px 70px rgba(20,58,43,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f7faf8;color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",system-ui,sans-serif}.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;z-index:20;background:#fff;padding:10px}.site-header{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:0 max(24px,calc((100vw - 1180px)/2));border-bottom:1px solid var(--line);background:rgba(255,255,255,.94);position:sticky;top:0;z-index:10;backdrop-filter:blur(14px)}.brand{color:var(--ink);text-decoration:none;font-size:24px;font-weight:850}.brand span{display:block;margin-top:3px;color:var(--muted);font-size:10px;letter-spacing:.13em;font-weight:500}.site-header nav{display:flex;gap:24px}.site-header nav a{color:#33443d;text-decoration:none;font-size:14px}.hero{background:radial-gradient(circle at 85% 0,#cdebd9 0,transparent 32%),linear-gradient(145deg,#eaf5ed,#fffaf4);border-bottom:1px solid var(--line)}.hero-inner{width:min(1000px,calc(100% - 40px));margin:auto;padding:66px 0 58px}.eyebrow{margin:0;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.12em}.hero h1{max-width:960px;margin:18px 0;font-family:"Noto Serif SC","Songti SC",serif;font-size:clamp(34px,5vw,62px);line-height:1.17;letter-spacing:-.025em}.dek{max-width:820px;margin:0;color:#4f6158;font-size:18px;line-height:1.8}.meta{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:26px;color:var(--muted);font-size:13px}.page-shell{width:min(1120px,calc(100% - 40px));margin:56px auto 90px;display:grid;grid-template-columns:230px minmax(0,780px);gap:46px;justify-content:center}aside{align-self:start;position:sticky;top:106px;color:var(--muted);font-size:13px}aside>a{color:var(--green);text-decoration:none}aside>span{margin:0 8px}.aside-card{margin-top:24px;padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff}.aside-card strong{display:block;color:var(--ink);font-size:16px}.aside-card p{line-height:1.7}.button{display:inline-block;padding:10px 15px;border-radius:999px;background:var(--green);color:#fff!important;text-decoration:none!important;font-size:13px;font-weight:750}.article-body{min-width:0;padding:48px clamp(24px,5vw,60px);border:1px solid var(--line);border-radius:24px;background:var(--paper);box-shadow:var(--shadow);font-family:"Noto Serif SC","Songti SC",serif;font-size:17px;line-height:2;color:#24342d}.article-body p{margin:0 0 1.15em}.article-lead,.article-body>p:first-child{font-size:19px;color:#385047}.article-body h2,.article-body h3,.article-body h4,.article-body h5{font-family:"Noto Sans SC","Microsoft YaHei",sans-serif;color:#153226;line-height:1.45}.article-body h2{margin:2.4em 0 .85em;padding-bottom:.55em;border-bottom:1px solid var(--line);font-size:28px}.article-body h2:first-child{margin-top:0}.article-body h3{margin:2em 0 .7em;font-size:22px}.article-body h4,.article-body h5{margin:1.6em 0 .55em;font-size:18px}.article-body ul,.article-body ol{padding-left:1.45em;margin:0 0 1.3em}.article-body li{margin:.4em 0}.article-body a{color:var(--green);text-underline-offset:3px;overflow-wrap:anywhere}.article-body blockquote{margin:28px 0;padding:16px 22px;border-left:4px solid var(--green2);background:var(--wash);color:#456056}.article-body table{display:block;width:100%;overflow:auto;border-collapse:collapse;font-family:"Noto Sans SC","Microsoft YaHei",sans-serif;font-size:14px;line-height:1.6}.article-body th,.article-body td{min-width:120px;padding:10px 12px;border:1px solid var(--line);vertical-align:top}.article-body th{background:var(--wash)}.article-body pre{overflow:auto;padding:18px;border-radius:12px;background:#13231d;color:#eaf5ed;font-size:13px;line-height:1.65}.article-body code{overflow-wrap:anywhere}.article-end{margin-top:48px;padding:28px;border-radius:18px;background:#102b21;color:#fff;font-family:"Noto Sans SC","Microsoft YaHei",sans-serif}.article-end h2{margin:0 0 10px;padding:0;border:0;color:#fff;font-size:24px}.article-end p{color:#c9d9d0;font-size:14px;line-height:1.75}footer{display:flex;justify-content:space-between;gap:30px;padding:42px max(24px,calc((100vw - 1180px)/2));background:#10211b;color:#c4d4cc}footer strong{display:block;color:#fff;font-size:20px}footer span{display:block;margin-top:8px;font-size:13px}footer div:last-child{display:flex;gap:18px;align-items:center}footer a{color:#dbe8e1;text-decoration:none;font-size:13px}@media(max-width:850px){.site-header nav a:not(:last-child){display:none}.page-shell{grid-template-columns:1fr}.page-shell aside{position:relative;top:auto}.aside-card{display:none}.hero-inner{padding:46px 0}.article-body{padding:34px 24px}}@media(max-width:520px){.site-header{height:66px}.hero h1{font-size:34px}.dek{font-size:16px}.page-shell,.hero-inner{width:min(100% - 24px,1120px)}.page-shell{margin-top:28px}.article-body{font-size:16px;border-radius:18px}footer{display:block}footer div:last-child{margin-top:22px;flex-wrap:wrap}}

/* yundic-wechat-aside-v2 */
.wechat-aside {
  overflow: hidden;
  cursor: pointer;
  transition: border-color .22s ease, box-shadow .22s ease, transform .22s ease;
}
.wechat-aside:hover,
.wechat-aside:focus-within {
  border-color: rgba(23, 107, 75, .34);
  box-shadow: 0 18px 42px rgba(16, 45, 34, .13);
  transform: translateY(-2px);
}
.wechat-aside:focus-visible {
  outline: 3px solid rgba(244, 162, 97, .62);
  outline-offset: 3px;
}
.wechat-aside > strong {
  font-size: 17px;
  line-height: 1.55;
}
.wechat-aside > p {
  margin: 10px 0 14px;
  color: #5c6b64;
  font-size: 14px;
  line-height: 1.7;
}
.wechat-aside__action {
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  border-radius: 999px;
  background: #176b4b;
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}
.wechat-aside__action::after {
  margin-left: 6px;
  content: "→";
}
.wechat-aside__qr {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(10px);
  transition: max-height .32s ease, margin-top .32s ease, opacity .22s ease, transform .32s ease;
}
.wechat-aside:hover .wechat-aside__qr,
.wechat-aside:focus-within .wechat-aside__qr {
  max-height: 280px;
  margin-top: 18px;
  opacity: 1;
  transform: translateY(0);
}
.wechat-aside__qr img {
  display: block;
  width: 100%;
  height: auto;
  border: 6px solid #f1f6f2;
  border-radius: 14px;
  background: #fff;
}
.wechat-aside__qr span {
  display: block;
  margin-top: 9px;
  color: #6a7b73;
  font-size: 11px;
  text-align: center;
}
@media (max-width: 850px) {
  .aside-card.wechat-aside {
    display: block;
    margin-top: 18px;
  }
  .wechat-aside__qr img {
    max-width: 240px;
    margin-right: auto;
    margin-left: auto;
  }
}
@media (prefers-reduced-motion: reduce) {
  .wechat-aside,
  .wechat-aside__qr {
    transition: none;
  }
}

/* yundic-article-links-v3 */
.wechat-aside{cursor:default;transform:none!important}
.wechat-aside__action{display:none}
.wechat-aside__qr{max-height:none!important;margin-top:18px!important;overflow:visible;opacity:1!important;transform:none!important;transition:none}
.internal-links{margin-top:46px;padding:26px;border:1px solid #dce7df;border-radius:18px;background:#f5f9f6;font-family:"Noto Sans SC","Microsoft YaHei",sans-serif}
.article-body .internal-links h2{margin:0 0 8px;padding:0;border:0;font-size:22px}
.internal-links>p{margin:0 0 18px;color:#5c6b64;font-size:14px;line-height:1.7}
.internal-links__related{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px;margin:0 0 18px;padding:0;list-style:none}
.internal-links__related li{margin:0}
.internal-links__related a{display:block;padding:10px 12px;border-radius:10px;background:#fff;text-decoration:none;font-size:14px;line-height:1.5}
.internal-links__services{display:flex;flex-wrap:wrap;gap:9px}
.internal-links__services a{padding:8px 12px;border:1px solid #c9ded1;border-radius:999px;background:#fff;text-decoration:none;font-size:12px;font-weight:750}
@media(max-width:620px){.internal-links{padding:20px}.internal-links__related{grid-template-columns:1fr}}

/* yundic-site-shell-v4 */
body .site-header{position:absolute;top:0;left:0;width:100%;height:88px;z-index:90;padding:0;color:#e7eaf4;border-bottom:1px solid rgba(255,255,255,.07);background:transparent;backdrop-filter:none;transition:height .3s,background .3s,box-shadow .3s,color .3s}
body .site-header.is-fixed{position:fixed;height:74px;background:rgba(255,255,255,.95);backdrop-filter:blur(20px);color:#222c3f;border-color:rgba(214,221,235,.44);box-shadow:0 6px 22px rgba(30,41,75,.08)}
.site-header .container,.site-footer .container{width:min(1400px,calc(100% - 80px));margin:0 auto}
body .site-header .nav-row{height:100%;display:flex;align-items:center;justify-content:space-between;gap:25px}
body .site-header .brand,body .site-footer .brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;color:inherit;text-decoration:none}
.site-header .brand-symbol{width:38px;height:38px}.site-header .brand-type{font-size:25px;font-weight:750;line-height:1.1;letter-spacing:3px}.site-header .brand-type>span{display:block;margin-top:5px;font:500 8px/1 Arial,sans-serif;letter-spacing:2.3px}
.site-header .desktop-nav{display:flex;align-items:center;gap:23px;margin-left:auto}.site-header .nav-link{position:relative;display:flex;align-items:center;min-height:44px;color:inherit;text-decoration:none;white-space:nowrap;font-size:12px;opacity:.78}.site-header .nav-link:hover{opacity:1}.site-header .nav-link.current{opacity:1}.site-header .nav-link.current:after{position:absolute;bottom:1px;left:calc(50% - 9px);width:18px;height:2px;border-radius:2px;background:#7995ff;content:""}
.site-header .nav-actions{display:flex;align-items:center;gap:12px}.site-header .button.small.primary{display:inline-flex;align-items:center;min-height:40px;padding:10px 16px;border-radius:6px;background:#6b83e8;color:#fff!important;font-size:11px;font-weight:650;text-decoration:none}.article-mobile-nav{display:none;position:relative}.article-mobile-nav summary{display:grid;width:38px;height:38px;place-items:center;border:1px solid currentColor;border-radius:6px;cursor:pointer;list-style:none}.article-mobile-nav summary::-webkit-details-marker{display:none}.article-mobile-nav summary:before{content:"☰";font-size:20px}.article-mobile-nav[open] summary:before{content:"×"}.article-mobile-nav nav{position:absolute;top:49px;right:0;width:220px;padding:13px;border:1px solid #dce2ef;border-radius:10px;background:#fff;box-shadow:0 20px 50px rgba(1,7,22,.22);color:#222c3f}.article-mobile-nav nav a{display:block;padding:10px 11px;border-radius:7px;color:inherit;text-decoration:none;font-size:13px}.article-mobile-nav nav a:hover{background:#f2f5fb}
body .hero{position:relative;isolation:isolate;overflow:hidden;min-height:0;border:0;background:radial-gradient(circle at var(--mx,78%) var(--my,25%),rgba(104,130,232,.30),transparent 30%),linear-gradient(125deg,#07101f 0%,#101b34 48%,#07111f 100%);color:#fff}.hero:before,.hero:after{position:absolute;z-index:-1;border-radius:50%;content:"";pointer-events:none}.hero:before{top:-220px;right:-120px;width:620px;height:620px;border:1px solid rgba(141,166,255,.16);box-shadow:0 0 0 90px rgba(104,130,232,.035),0 0 0 190px rgba(104,130,232,.025);animation:hero-orbit 16s ease-in-out infinite alternate}.hero:after{left:-15%;bottom:-240px;width:600px;height:420px;background:radial-gradient(circle,rgba(43,176,139,.15),transparent 68%);animation:hero-drift 12s ease-in-out infinite alternate}.hero .hero-inner{position:relative;width:min(1000px,calc(100% - 40px));padding:142px 0 62px}.hero .eyebrow{color:#9bb0ff}.hero h1{max-width:900px;margin:17px 0;color:#fff;font-size:clamp(24px,2.7vw,32px);line-height:1.45;letter-spacing:-.015em}.hero .dek{color:#aebbd2;font-size:16px;line-height:1.85}.hero .meta{color:#8291ae}.hero .meta span{border-color:rgba(255,255,255,.12)}
@keyframes hero-orbit{to{transform:translate(-70px,45px) scale(1.08)}}@keyframes hero-drift{to{transform:translate(130px,-45px) scale(1.12)}}
body .site-footer{display:block;padding:0;background:#080f1d;color:#8895af}.site-footer .footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 100px;gap:50px;padding-top:68px;padding-bottom:56px}.site-footer .footer-brand .brand{color:#dbe3f3}.site-footer .footer-brand .brand-symbol{width:32px;height:32px}.site-footer .footer-brand .brand-type{font-size:22px;letter-spacing:3px}.site-footer .footer-brand .brand-type>span{display:block;margin-top:5px;font:500 7px/1 Arial,sans-serif;letter-spacing:2.3px}.site-footer .footer-brand p{margin-top:23px;color:#60708d;font-size:10px;line-height:2}.site-footer .footer-col h3{margin:0 0 19px;color:#a4b0c8;font-size:11px;font-weight:500}.site-footer .footer-col a{display:block;margin-top:10px;color:#697a98;text-decoration:none;font-size:10px}.site-footer .footer-col a:hover{color:#c1cceb}.site-footer .back-top{display:flex;flex-direction:column;align-items:center;gap:17px;align-self:start;color:#6a7c9a;text-decoration:none}.site-footer .back-top-mark{display:grid;width:36px;height:36px;place-items:center;border:1px solid rgba(80,97,130,.31);border-radius:50%;font-size:17px}.site-footer .back-top>span:last-child{font:7px Arial,sans-serif;letter-spacing:1.4px}.site-footer .footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 0;border-top:1px solid rgba(131,155,192,.05);color:#465a7a;font-size:8px}.site-footer .footer-bottom>span:last-child{font:7px Arial,sans-serif;letter-spacing:1.5px}
@media(max-width:1230px){.site-header .desktop-nav{display:none}.article-mobile-nav{display:block}.site-footer .footer-main{grid-template-columns:1.2fr 1fr 1fr 1fr;gap:28px}.site-footer .back-top{display:none}}
@media(max-width:760px){.site-header .container,.site-footer .container{width:calc(100% - 40px)}body .site-header{height:73px}.site-header .brand-symbol{width:31px;height:31px}.site-header .brand-type{font-size:21px}.site-header .brand-type>span{font-size:6px}.site-header .button.small.primary{display:none}.hero .hero-inner{padding:112px 0 46px}.hero h1{font-size:24px}.hero .dek{font-size:14px}.site-footer .footer-main{grid-template-columns:1fr 1fr;gap:36px 24px;padding-top:52px}.site-footer .footer-brand{grid-column:1/-1}.site-footer .footer-bottom{align-items:flex-start;flex-direction:column}.site-footer .footer-bottom>span:nth-child(2){display:none}}
@media(prefers-reduced-motion:reduce){.hero:before,.hero:after{animation:none}}

/* yundic-particles-v5 */
.site-header:not(.is-fixed) .brand-type,.site-header:not(.is-fixed) .brand-type>span,.site-footer .brand-type,.site-footer .brand-type>span{color:#fff!important;opacity:1!important}
.hero .hero-particles{position:absolute;inset:0;z-index:-1;width:100%;height:100%;pointer-events:none;opacity:.88;mix-blend-mode:screen}
.hero .hero-inner{display:grid;width:min(1120px,calc(100% - 40px));grid-template-columns:230px minmax(0,780px);column-gap:46px;padding:142px 0 62px}
.hero .hero-inner>*{grid-column:2}.hero .hero-inner>.eyebrow:empty{display:none}
@media(max-width:850px){.hero .hero-inner{display:block;width:min(100% - 40px,1120px);padding:112px 0 46px}}
@media(max-width:520px){.hero .hero-inner{width:min(100% - 24px,1120px)}}
@media(prefers-reduced-motion:reduce){.hero .hero-particles{opacity:.52}}

/* yundic-banner-align-v6 */
.hero .hero-inner{display:block;width:min(1120px,calc(100% - 40px));padding:142px 0 62px}
.hero .hero-inner>*{grid-column:auto}
.hero h1,.hero .dek,.hero .meta{max-width:1120px}
@media(max-width:850px){.hero .hero-inner{width:min(100% - 40px,1120px);padding:112px 0 46px}}
@media(max-width:520px){.hero .hero-inner{width:min(100% - 24px,1120px)}}