/* roulang page: index */
:root{
  --brand:#0F5D52;--brand-dark:#0A3F38;--brand-light:#17907C;--brand-soft:#4FC3A1;
  --accent:#E8862F;--accent-light:#F4A94E;--accent-bg:#FDF1E2;--accent-deep:#B85F16;
  --bg:#F6F4EF;--dark:#0B2A26;--white:#FFFFFF;
  --text:#1B2320;--muted:#5A6663;--line:#E3E0D8;--divider:#EFEDE6;--disabled:#A9B0AD;
  --grad:linear-gradient(120deg,#0A3F38 0%,#0F5D52 42%,#17907C 78%,#4FC3A1 100%);
  --grad-soft:linear-gradient(120deg,rgba(10,63,56,.06),rgba(79,195,161,.10));
  --r-lg:24px;--r-md:20px;--r-sm:16px;--r-xs:12px;
  --sh-1:0 8px 24px rgba(15,93,82,.08);
  --sh-2:0 16px 40px rgba(15,93,82,.14);
  --sh-dark:0 16px 40px rgba(0,0,0,.25);
  --ease:cubic-bezier(.22,.61,.36,1);
  --bs-primary:#0F5D52;--bs-body-bg:#F6F4EF;--bs-body-color:#1B2320;
  --bs-border-color:#E3E0D8;--bs-link-color:#0F5D52;--bs-link-hover-color:#E8862F;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  --bs-border-radius:14px;--bs-border-radius-lg:20px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);overflow-x:hidden;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--accent)}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(15,93,82,.22);outline-offset:2px;border-radius:8px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:2000}
.skip-link:focus{left:0}

/* ---------- 容器 ---------- */
.wrap{width:100%;max-width:1280px;margin-inline:auto;padding-inline:24px}
.section{padding-block:92px}
.section--tight{padding-block:76px}
.section--dark{background:var(--dark);color:#DCEAE6}
.section--dark h2,.section--dark h3{color:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:40px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(24px,3vw,36px);line-height:1.3}
.sec-head .sec-sub{color:var(--muted);font-size:15px;max-width:640px;margin-top:10px}
.sec-head .sec-link{font-size:15px;font-weight:500;white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.sec-head .sec-link:hover{gap:10px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(15,93,82,.09);color:var(--brand);
  font-size:13px;font-weight:600;letter-spacing:.04em;border-radius:999px;padding:7px 16px;margin-bottom:18px}

/* ---------- 按钮 ---------- */
.btn-grad,.btn-ghost,.btn-lite{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:14px 30px;font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),filter .22s var(--ease);
}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(15,93,82,.24)}
.btn-grad:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 16px 36px rgba(15,93,82,.3)}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(15,93,82,.34)}
.btn-ghost:hover{color:var(--accent);border-color:rgba(232,134,47,.55);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-lite{background:#fff;color:var(--brand)}
.btn-lite:hover{color:var(--accent);transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.18)}
.btn-line{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-line:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-grad:active,.btn-ghost:active,.btn-lite:active{transform:translateY(0)}

/* ---------- 左侧竖向导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:240px;z-index:1040;
  background:linear-gradient(165deg,#0A3F38 0%,#0F5D52 100%);
  color:#E9F3F0;display:flex;flex-direction:column;
  padding:26px 16px 20px;border-right:1px solid rgba(255,255,255,.07);
}
.brand{display:flex;align-items:center;gap:12px;padding:6px 8px 22px;color:#fff;text-decoration:none}
.brand:hover{color:#fff}
.brand-mark{
  width:48px;height:48px;flex:0 0 48px;border-radius:14px;
  background:var(--grad);color:#fff;display:grid;place-items:center;font-size:20px;
  box-shadow:0 8px 20px rgba(0,0,0,.22);
}
.brand-text strong{display:block;font-size:17px;font-weight:700;line-height:1.3;letter-spacing:.01em}
.brand-text em{display:block;font-style:normal;font-size:12px;color:#9FC4BC;margin-top:2px;line-height:1.4}
.side-links{display:flex;flex-direction:column;gap:6px;flex:1;padding-top:6px}
.side-link{
  position:relative;display:flex;align-items:center;gap:12px;height:48px;padding:0 14px;
  border-radius:12px;color:#CFE4DF;font-size:15px;font-weight:500;text-decoration:none;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.side-link i{width:20px;text-align:center;font-size:16px;flex:0 0 20px}
.side-link:hover{background:rgba(255,255,255,.08);color:#fff}
.side-link.active{background:rgba(255,255,255,.10);color:#fff}
.side-link.active::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;background:var(--accent-light)}
.side-link .nav-tip{display:none}
.side-foot{margin-top:18px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12)}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;width:100%;
  background:var(--accent);color:#fff;border-radius:999px;height:44px;font-size:14px;font-weight:600;
  transition:filter .2s var(--ease),transform .2s var(--ease);
}
.side-cta:hover{color:#fff;filter:brightness(1.08);transform:translateY(-1px)}
.side-foot-text{margin-top:14px;font-size:12px;line-height:1.7;color:#8FB3AC;text-align:center}

/* 窄栏（992-1199） */
@media (min-width:992px) and (max-width:1199px){
  .side-nav{width:88px;padding:22px 10px 18px;align-items:center}
  .brand{justify-content:center;padding:4px 0 18px}
  .brand-text{display:none}
  .side-links{width:100%;align-items:center}
  .side-link{justify-content:center;padding:0;width:52px;height:52px;border-radius:14px}
  .side-link .nav-label{display:none}
  .side-link .nav-tip{
    display:block;position:absolute;left:64px;top:50%;transform:translateY(-50%) scale(.96);
    background:var(--dark);color:#EAF7F3;font-size:13px;font-weight:500;white-space:nowrap;
    padding:7px 14px;border-radius:10px;opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .18s var(--ease),transform .18s var(--ease);box-shadow:var(--sh-dark);
  }
  .side-link:hover .nav-tip{opacity:1;visibility:visible;transform:translateY(-50%) scale(1)}
  .side-link.active::before{left:-12px}
  .side-foot{width:100%}
  .side-cta span,.side-foot-text{display:none}
  .side-cta{height:48px;width:52px;border-radius:14px;margin-inline:auto}
}

/* ---------- 顶部导航（移动端） ---------- */
.top-nav{display:none;position:sticky;top:0;z-index:1030;
  background:rgba(246,244,239,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);}
.top-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand-sm{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:700;font-size:16px}
.brand-sm:hover{color:var(--brand)}
.brand-sm .brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:11px;font-size:16px}
.burger{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand)}
.burger:hover{border-color:rgba(15,93,82,.35)}
.drawer{background:linear-gradient(165deg,#0A3F38,#0F5D52);color:#E9F3F0;border:0;width:306px}
.drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:18px 20px}
.drawer .offcanvas-title{color:#fff;font-size:17px;font-weight:700}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.8}
.drawer .offcanvas-body{padding:16px 14px 26px}
.drawer-link{display:flex;align-items:center;gap:12px;min-height:52px;padding:0 14px;border-radius:12px;
  color:#D8EAE6;font-size:16px;text-decoration:none;transition:background .2s var(--ease),color .2s var(--ease)}
.drawer-link i{width:20px;text-align:center;font-size:15px}
.drawer-link:hover{background:rgba(255,255,255,.09);color:#fff}
.drawer-link.active{background:rgba(244,169,78,.16);color:#F4A94E}
.drawer-foot{margin-top:22px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#93B8B0}
@media (max-width:991px){
  .top-nav{display:block}
  .side-nav{display:none}
}

/* 内容区偏移 */
@media (min-width:1200px){body{padding-left:240px}}
@media (min-width:992px) and (max-width:1199px){body{padding-left:88px}}
@media (max-width:991px){body{padding-left:0}}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 88% -12%,rgba(79,195,161,.22),transparent 70%),
    radial-gradient(720px 380px at 6% 112%,rgba(232,134,47,.12),transparent 70%),
    var(--bg);}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(15,93,82,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(15,93,82,.045) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(circle at 40% 30%,#000 0%,transparent 78%);
          mask-image:radial-gradient(circle at 40% 30%,#000 0%,transparent 78%);}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;padding-block:88px 76px}
.hero h1{font-size:clamp(30px,4.2vw,52px);line-height:1.22;font-weight:700}
.hero h1 .hl{color:var(--brand);position:relative;white-space:nowrap}
.hero h1 .hl::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;border-radius:6px;
  background:linear-gradient(90deg,rgba(79,195,161,.42),rgba(232,134,47,.28));z-index:-1}
.hero .lede{margin-top:20px;font-size:17px;line-height:1.85;color:var(--muted);max-width:560px}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-facts{display:flex;gap:14px;margin-top:40px;flex-wrap:wrap}
.hero-facts li{background:var(--accent-bg);border-radius:999px;padding:10px 20px;display:flex;align-items:baseline;gap:8px}
.hero-facts strong{font-size:22px;font-weight:700;color:var(--accent-deep);line-height:1;font-variant-numeric:tabular-nums}
.hero-facts span{font-size:13px;color:var(--accent-deep)}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:visible}
.hero-media .media-frame{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2)}
.hero-media img{width:100%;height:100%;min-height:360px;max-height:470px;object-fit:cover;border-radius:var(--r-lg);
  background:rgba(15,93,82,.08)}
.hero-media .media-frame::after{content:"";position:absolute;inset:0;border-radius:var(--r-lg);pointer-events:none;
  background:linear-gradient(150deg,rgba(10,63,56,.46),rgba(23,144,124,.16) 52%,rgba(232,134,47,.18))}
.hero-float{position:absolute;right:-6px;bottom:-18px;background:#fff;border-radius:20px;padding:16px 22px;
  box-shadow:var(--sh-2);min-width:186px;border:1px solid var(--line)}
.hero-float strong{display:block;font-size:30px;font-weight:700;color:var(--brand);line-height:1.1;font-variant-numeric:tabular-nums}
.hero-float span{display:block;font-size:13px;color:var(--muted);margin-top:2px}

/* ---------- 服务能力 ---------- */
.svc-grid{display:grid;grid-template-columns:1.28fr 1fr;gap:22px}
.svc-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px;
  display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.svc-card:hover{transform:translateY(-4px);border-color:rgba(15,93,82,.3);box-shadow:var(--sh-2)}
.svc-icon{width:48px;height:48px;border-radius:14px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:19px;margin-bottom:18px;box-shadow:0 8px 18px rgba(15,93,82,.22)}
.svc-card h3{font-size:20px;line-height:1.4;font-weight:600;margin-bottom:10px}
.svc-card p{font-size:15px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.svc-card .svc-link{margin-top:auto;padding-top:18px;font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.svc-card .svc-link:hover{gap:10px}
.svc-card--main{padding:0;overflow:hidden;flex-direction:row}
.svc-card--main .svc-main-text{padding:32px;display:flex;flex-direction:column;flex:1}
.svc-card--main .svc-main-media{flex:0 0 42%;position:relative;overflow:hidden}
.svc-card--main .svc-main-media img{width:100%;height:100%;min-height:260px;object-fit:cover;background:rgba(15,93,82,.08)}
.svc-card--main .svc-main-media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(10,63,56,.35),rgba(79,195,161,.14))}
.svc-card--main p{-webkit-line-clamp:3}

/* ---------- 优势数据 ---------- */
.fact-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.fact{display:flex;align-items:center;gap:14px;background:var(--accent-bg);border-radius:999px;padding:16px 24px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.fact:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(232,134,47,.18)}
.fact strong{font-size:30px;font-weight:700;color:var(--accent-deep);line-height:1.1;font-variant-numeric:tabular-nums}
.fact span{font-size:13px;line-height:1.5;color:var(--accent-deep)}
.fact-note{margin-top:20px;font-size:14px;color:var(--muted)}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.case-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  display:flex;flex-direction:column}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,93,82,.26)}
.case-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:rgba(15,93,82,.08)}
.case-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease)}
.case-card:hover .case-thumb img{transform:scale(1.06)}
.case-tag{position:absolute;top:14px;left:14px;background:rgba(11,42,38,.74);color:#fff;font-size:13px;
  border-radius:999px;padding:5px 14px;backdrop-filter:blur(4px)}
.case-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.case-body h3{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:8px}
.case-body p{font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.case-body .svc-link{margin-top:auto;padding-top:16px;font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.case-body .svc-link:hover{gap:10px}

/* ---------- 方案（左右交替） ---------- */
.plan-list{display:flex;flex-direction:column;gap:64px}
.plan{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.plan:nth-child(even) .plan-media{order:2}
.plan-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);position:relative;background:rgba(15,93,82,.08)}
.plan-media img{width:100%;height:100%;min-height:280px;object-fit:cover;aspect-ratio:4/3}
.plan-media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(10,63,56,.3),rgba(232,134,47,.12))}
.plan-body h3{font-size:22px;font-weight:600;line-height:1.4;margin-bottom:12px}
.plan-body>p{font-size:15px;color:var(--muted);line-height:1.8}
.plan-points{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.plan-points li{display:flex;gap:12px;font-size:15px;color:var(--text);line-height:1.7}
.plan-points i{color:var(--brand-light);margin-top:5px;font-size:14px}
.plan-body .svc-link{margin-top:22px;font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}

/* ---------- 最新信息 ---------- */
.chip{display:inline-flex;align-items:center;gap:6px;background:rgba(15,93,82,.08);color:var(--brand);
  border-radius:999px;padding:4px 12px;font-size:13px;font-weight:500;line-height:1.6}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{display:flex;flex-direction:column;gap:12px;background:#fff;border:1px solid var(--line);
  border-radius:18px;padding:22px;height:100%;color:inherit;text-decoration:none;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,93,82,.26);color:inherit}
.news-card h3{font-size:17px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);border-top:1px solid var(--divider);padding-top:14px}
.news-empty{border:1px dashed var(--line);border-radius:var(--r-md);padding:58px 24px;text-align:center;
  background:rgba(255,255,255,.62)}
.news-empty i{font-size:30px;color:var(--brand-soft)}
.news-empty p{color:var(--muted);margin:14px 0 20px;font-size:15px}

/* ---------- FAQ ---------- */
.faq{max-width:920px;margin-inline:auto}
.faq .accordion-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);margin-bottom:12px;
  overflow:hidden;box-shadow:var(--sh-1)}
.faq .accordion-button{position:relative;background:transparent;border:0;box-shadow:none;
  font-size:17px;font-weight:600;color:var(--text);padding:20px 22px;line-height:1.6;
  display:flex;align-items:center;gap:16px}
.faq .accordion-button:not(.collapsed){color:var(--brand);background:transparent;box-shadow:none}
.faq .accordion-button:not(.collapsed)::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;
  border-radius:0 3px 3px 0;background:var(--brand)}
.faq .accordion-button::after{display:none}
.faq .accordion-button:focus{box-shadow:none;outline:none}
.faq .accordion-button:focus-visible{outline:3px solid rgba(15,93,82,.22)}
.faq-plus{position:relative;width:26px;height:26px;flex:0 0 26px;margin-left:auto;border-radius:50%;
  background:rgba(15,93,82,.08);transition:background .25s var(--ease)}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;top:50%;left:50%;background:var(--muted);
  border-radius:2px;transition:transform .25s var(--ease),opacity .25s var(--ease)}
.faq-plus::before{width:12px;height:2px;transform:translate(-50%,-50%)}
.faq-plus::after{width:2px;height:12px;transform:translate(-50%,-50%)}
.faq .accordion-button:not(.collapsed) .faq-plus{background:var(--brand)}
.faq .accordion-button:not(.collapsed) .faq-plus::before{background:#fff}
.faq .accordion-button:not(.collapsed) .faq-plus::after{background:#fff;transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq .accordion-body{padding:0 22px 22px 22px;font-size:15px;color:var(--muted);line-height:1.85}

/* ---------- 联系转化 ---------- */
.contact-grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:start}
.form-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-1)}
.form-panel h3{font-size:20px;margin-bottom:6px}
.form-panel .form-hint{font-size:14px;color:var(--muted);margin-bottom:22px}
.form-label{font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px}
.form-control,.form-select{background:#fff;border:1px solid var(--line);border-radius:var(--r-xs);
  min-height:48px;padding:12px 16px;font-size:15px;color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.form-control::placeholder{color:var(--disabled)}
.form-control:focus,.form-select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,93,82,.16);outline:none}
textarea.form-control{min-height:120px;resize:vertical}
.form-note{font-size:13px;color:var(--muted);margin-top:12px}
.contact-side{display:flex;flex-direction:column;gap:18px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1)}
.contact-card h4{font-size:17px;margin-bottom:14px}
.contact-list li{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--muted);padding:7px 0;line-height:1.7}
.contact-list i{color:var(--brand);margin-top:4px;width:16px;text-align:center}
.map-slot{background:var(--grad-soft);border:1px dashed rgba(15,93,82,.28);border-radius:var(--r-md);
  min-height:186px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  color:var(--brand);font-size:14px}
.map-slot i{font-size:26px;color:var(--brand-light)}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--grad);border-radius:var(--r-lg);padding:44px 48px;display:flex;align-items:center;
  justify-content:space-between;gap:32px;color:#fff;flex-wrap:wrap;box-shadow:var(--sh-2)}
.cta-band h3{color:#fff;font-size:clamp(20px,2.4vw,28px);line-height:1.35}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;margin-top:8px;max-width:620px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#BFD6D0;margin-top:96px;padding-top:64px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.foot-brand .brand-mark{margin-bottom:16px}
.foot-brand strong{display:block;color:#fff;font-size:18px;margin-bottom:10px}
.foot-brand p{font-size:14px;line-height:1.8;color:#9FBCB6;max-width:320px}
.foot-col h4{color:#fff;font-size:16px;margin-bottom:16px;font-weight:600}
.foot-col a,.foot-col li{display:block;color:#BFD6D0;font-size:14px;padding:5px 0;line-height:1.7}
.foot-col a:hover{color:var(--accent-light)}
.foot-bottom{margin-top:52px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#8FB3AC}
.foot-bottom a{color:#8FB3AC}
.foot-bottom a:hover{color:var(--accent-light)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{grid-template-columns:1fr;gap:44px;padding-block:64px}
  .hero-media img{min-height:300px;max-height:400px}
  .hero-float{position:static;margin-top:18px;display:inline-block}
  .svc-grid{grid-template-columns:1fr}
  .svc-card--main{flex-direction:column}
  .svc-card--main .svc-main-media{flex:0 0 auto;order:-1}
  .svc-card--main .svc-main-media img{min-height:220px}
  .fact-row{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:991px){
  .section{padding-block:72px}
  .section--tight{padding-block:60px}
  .plan{gap:28px}
  .cta-band{padding:34px 30px}
}
@media (max-width:767px){
  .section{padding-block:56px}
  .section--tight{padding-block:48px}
  .wrap{padding-inline:16px}
  .hero-grid{padding-block:48px 40px}
  .hero-facts{gap:10px}
  .hero-facts li{padding:9px 16px}
  .case-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .fact-row{grid-template-columns:1fr}
  .plan{grid-template-columns:1fr}
  .plan:nth-child(even) .plan-media{order:0}
  .plan-list{gap:44px}
  .svc-card{border-radius:var(--r-sm)}
  .case-card,.news-card,.form-panel,.contact-card,.cta-band,.hero-media .media-frame,.hero-media img{border-radius:var(--r-sm)}
  .form-panel{padding:22px}
  .cta-band{padding:28px 22px;border-radius:var(--r-sm)}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{margin-top:64px;padding-top:48px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .faq .accordion-button{font-size:16px;padding:17px 18px}
  .faq .accordion-body{padding:0 18px 18px}
}

/* roulang page: article */
:root{
  --green-900:#0A3F38;
  --green-800:#0F5D52;
  --green-600:#17907C;
  --green-400:#4FC3A1;
  --amber:#E8862F;
  --amber-light:#F4A94E;
  --amber-soft:#FDF1E2;
  --amber-deep:#B85F16;
  --bg:#F6F4EF;
  --dark:#0B2A26;
  --ink:#1B2320;
  --ink-2:#5A6663;
  --line:#E3E0D8;
  --line-2:#EFEDE6;
  --muted:#A9B0AD;
  --white:#FFFFFF;
  --grad:linear-gradient(120deg,#0A3F38 0%,#0F5D52 42%,#17907C 78%,#4FC3A1 100%);
  --grad-soft:linear-gradient(135deg,rgba(15,93,82,.08) 0%,rgba(79,195,161,.10) 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 8px 24px rgba(15,93,82,.08);
  --sh-2:0 16px 40px rgba(15,93,82,.14);
  --sh-dark:0 16px 40px rgba(0,0,0,.25);
  --t:220ms cubic-bezier(.22,.61,.36,1);
  --side-w:240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--green-800);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--amber);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);}
p{margin:0;}
:focus-visible{outline:3px solid rgba(15,93,82,.22);outline-offset:2px;border-radius:6px;}

/* ===== 侧栏导航 ===== */
.side-nav{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--side-w);
  z-index:1040;
  display:flex;
  flex-direction:column;
  padding:22px 14px 18px;
  background:linear-gradient(165deg,#0A3F38 0%,#0F5D52 58%,#14745F 100%);
  color:#E9F3F0;
  overflow-y:auto;
}
.side-nav::-webkit-scrollbar{width:6px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:6px;}
.side-brand{
  display:flex;
  align-items:center;
  gap:12px;
  padding:6px 8px 20px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.brand-mark{
  width:48px;height:48px;
  flex:0 0 48px;
  display:grid;place-items:center;
  border-radius:14px;
  background:linear-gradient(140deg,#17907C 0%,#4FC3A1 100%);
  color:#fff;
  font-size:20px;
  box-shadow:0 10px 22px rgba(0,0,0,.22);
}
.brand-text strong{
  display:block;
  font-size:17px;
  font-weight:700;
  color:#fff;
  letter-spacing:.3px;
}
.brand-text span{
  display:block;
  font-size:12px;
  line-height:1.5;
  color:rgba(233,243,240,.68);
}
.side-links{
  display:flex;
  flex-direction:column;
  gap:6px;
  padding:18px 0 0;
  flex:1 1 auto;
}
.side-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  height:48px;
  padding:0 14px;
  border-radius:12px;
  color:#E9F3F0;
  font-size:15px;
  transition:background var(--t),color var(--t),transform var(--t);
}
.side-link i{
  width:20px;
  text-align:center;
  font-size:15px;
  color:rgba(233,243,240,.75);
  transition:color var(--t);
}
.side-link:hover{
  background:rgba(255,255,255,.07);
  color:#fff;
  transform:translateX(2px);
}
.side-link:hover i{color:var(--amber-light);}
.side-link.active{
  background:rgba(255,255,255,.10);
  color:#fff;
  font-weight:600;
}
.side-link.active i{color:var(--amber-light);}
.side-link.active::before{
  content:"";
  position:absolute;
  left:0;top:10px;bottom:10px;
  width:3px;
  border-radius:3px;
  background:var(--amber);
}
.nav-tip{display:none;}
.side-foot{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid rgba(255,255,255,.12);
}
.side-cta{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  border-radius:999px;
  background:linear-gradient(120deg,#E8862F 0%,#F4A94E 100%);
  color:#fff;
  font-size:14px;
  font-weight:600;
  box-shadow:0 10px 24px rgba(232,134,47,.28);
  transition:filter var(--t),transform var(--t);
}
.side-cta:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);}
.side-note{
  margin-top:12px;
  font-size:12px;
  line-height:1.6;
  color:rgba(233,243,240,.60);
  text-align:center;
}

/* ===== 移动端顶栏 ===== */
.mobile-bar{
  display:none;
  position:sticky;
  top:0;
  z-index:1030;
  align-items:center;
  justify-content:space-between;
  height:64px;
  padding:0 16px;
  background:rgba(246,244,239,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.m-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:16px;
  color:var(--green-900);
}
.m-brand:hover{color:var(--green-900);}
.m-brand .brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;font-size:16px;}
.burger{
  width:44px;height:44px;
  display:grid;place-items:center;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  color:var(--green-800);
  font-size:18px;
  transition:border-color var(--t),color var(--t);
}
.burger:hover{border-color:var(--green-400);color:var(--amber);}
.drawer{
  background:linear-gradient(170deg,#0A3F38 0%,#0F5D52 100%) !important;
  color:#E9F3F0;
  width:290px !important;
}
.drawer .offcanvas-header{
  border-bottom:1px solid rgba(255,255,255,.12);
  padding:18px 20px;
}
.drawer-title{font-size:16px;font-weight:700;color:#fff;}
.drawer-close{
  width:38px;height:38px;
  display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.24);
  border-radius:12px;
  background:transparent;
  color:#E9F3F0;
  font-size:17px;
}
.drawer .offcanvas-body{padding:18px 16px 24px;}
.drawer-nav .side-link{height:52px;font-size:16px;}
.drawer .side-foot{margin-top:22px;}

/* ===== 页面骨架 ===== */
.page-shell{
  margin-left:var(--side-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.wrap{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
}
.main-area{flex:1 1 auto;padding-bottom:8px;}

/* ===== 文章头部 ===== */
.article-hero{
  position:relative;
  padding:44px 0 36px;
  background:
    linear-gradient(180deg,rgba(79,195,161,.10) 0%,rgba(246,244,239,0) 100%),
    linear-gradient(90deg,rgba(15,93,82,.045) 1px,transparent 1px) 0 0/26px 26px,
    linear-gradient(180deg,rgba(15,93,82,.045) 1px,transparent 1px) 0 0/26px 26px;
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-2);
  margin-bottom:20px;
}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--amber);}
.crumb i{font-size:10px;color:var(--muted);}
.crumb .now{color:var(--green-800);font-weight:600;}
.cat-badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  background:var(--amber-soft);
  color:var(--amber-deep);
  font-size:13px;
  font-weight:600;
  margin-bottom:16px;
}
.article-title{
  font-size:clamp(26px,3.4vw,42px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.2px;
  max-width:900px;
}
.meta-line{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-top:18px;
  font-size:13px;
  color:var(--ink-2);
}
.meta-line .dot{
  width:4px;height:4px;
  border-radius:50%;
  background:var(--line);
}
.meta-line i{color:var(--green-600);font-size:13px;}

/* ===== 正文布局 ===== */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,820px) 236px;
  gap:56px;
  justify-content:center;
  align-items:start;
  padding:8px 0 72px;
}
.article-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:40px 44px;
}
.article-body{
  font-size:17px;
  line-height:1.9;
  color:#243029;
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.4em;}
.article-body h2{
  position:relative;
  font-size:clamp(21px,2.3vw,26px);
  line-height:1.42;
  font-weight:700;
  margin:2.2em 0 1em;
  padding-left:16px;
  color:var(--green-900);
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.16em;bottom:.16em;
  width:4px;
  border-radius:4px;
  background:linear-gradient(180deg,#0F5D52,#4FC3A1);
}
.article-body h3{
  font-size:19px;
  font-weight:600;
  margin:1.7em 0 .7em;
  color:#16302B;
}
.article-body h4{
  font-size:17px;
  font-weight:600;
  margin:1.4em 0 .6em;
}
.article-body ul,
.article-body ol{
  padding-left:1.35em;
  margin:0 0 1.4em;
}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.5em 0;}
.article-body ul li::marker{color:var(--amber);font-size:.95em;}
.article-body ol li::marker{color:var(--green-600);font-weight:600;}
.article-body img{
  max-width:100%;
  height:auto;
  border-radius:var(--r-md);
  margin:1.6em auto;
  box-shadow:var(--sh-1);
}
.article-body blockquote{
  margin:1.6em 0;
  padding:16px 22px;
  background:#F1F7F5;
  border-left:4px solid var(--amber);
  border-radius:0 12px 12px 0;
  color:#33413C;
  font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{
  color:var(--green-800);
  text-decoration:underline;
  text-underline-offset:3px;
}
.article-body a:hover{color:var(--amber);}
.article-body strong{color:#123028;}
.article-body hr{
  border:0;
  height:1px;
  background:var(--line-2);
  margin:2em 0;
}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  margin-top:10px;
  text-align:center;
  font-size:13px;
  color:var(--ink-2);
}
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--r-md);
  padding:56px 24px;
  text-align:center;
  color:var(--ink-2);
  background:rgba(255,255,255,.6);
}
.empty-state i{
  font-size:34px;
  color:var(--green-400);
  display:block;
  margin-bottom:14px;
}
.empty-state p{font-size:15px;margin-bottom:18px;}

/* ===== 目录 ===== */
.toc{
  position:sticky;
  top:28px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px 20px 16px;
  box-shadow:var(--sh-1);
}
.toc h4{
  font-size:13px;
  font-weight:700;
  letter-spacing:1px;
  color:var(--ink-2);
  padding-bottom:12px;
  margin-bottom:12px;
  border-bottom:1px solid var(--line-2);
}
.toc ol{display:flex;flex-direction:column;gap:4px;}
.toc a{
  display:block;
  font-size:14px;
  line-height:1.6;
  padding:6px 10px;
  border-radius:8px;
  color:var(--ink-2);
  border-left:2px solid transparent;
  transition:all var(--t);
}
.toc a:hover,
.toc a.is-current{
  color:var(--green-800);
  background:var(--grad-soft);
  border-left-color:var(--amber);
}

/* ===== 服务信息条 ===== */
.info-strip{
  padding:0 0 72px;
}
.info-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.info-item{
  display:flex;
  gap:16px;
  padding:24px 26px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.info-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(15,93,82,.3);
}
.info-ico{
  flex:0 0 46px;
  width:46px;height:46px;
  display:grid;place-items:center;
  border-radius:14px;
  background:var(--grad);
  color:#fff;
  font-size:18px;
}
.info-item h3{font-size:16px;font-weight:600;margin-bottom:6px;}
.info-item p{font-size:14px;line-height:1.7;color:var(--ink-2);}

/* ===== 相关推荐 ===== */
.related{
  padding:0 0 76px;
}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:26px;
}
.sec-head h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.3;
}
.sec-head .more{
  font-size:14px;
  font-weight:600;
  color:var(--green-800);
  display:inline-flex;
  align-items:center;
  gap:6px;
  white-space:nowrap;
}
.sec-head .more:hover{color:var(--amber);}
.rel-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.rel-card{
  display:flex;
  flex-direction:column;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:20px;
  overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.rel-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(15,93,82,.3);
}
.rel-thumb{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:rgba(15,93,82,.08);
}
.rel-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 420ms cubic-bezier(.22,.61,.36,1);
}
.rel-card:hover .rel-thumb img{transform:scale(1.05);}
.rel-tag{
  position:absolute;
  left:14px;top:14px;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(11,42,38,.72);
  color:#fff;
  font-size:12px;
  font-weight:600;
  backdrop-filter:blur(4px);
}
.rel-body{
  padding:20px 22px 22px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1 1 auto;
}
.rel-body h3{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink);
}
.rel-card:hover .rel-body h3{color:var(--green-800);}
.rel-body p{
  font-size:14px;
  line-height:1.7;
  color:var(--ink-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rel-more{
  margin-top:auto;
  font-size:14px;
  font-weight:600;
  color:var(--green-800);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.rel-card:hover .rel-more{color:var(--amber);}

/* ===== 尾部 CTA ===== */
.cta-band{
  padding:0 0 84px;
}
.cta-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:44px 48px;
  border-radius:var(--r-lg);
  background:var(--grad);
  overflow:hidden;
  box-shadow:var(--sh-2);
}
.cta-inner::after{
  content:"";
  position:absolute;
  right:-60px;top:-70px;
  width:260px;height:260px;
  border-radius:50%;
  background:rgba(255,255,255,.10);
}
.cta-text{position:relative;z-index:1;max-width:640px;}
.cta-text h2{
  color:#fff;
  font-size:clamp(22px,2.5vw,30px);
  line-height:1.35;
  margin-bottom:10px;
}
.cta-text p{
  color:rgba(255,255,255,.86);
  font-size:15px;
}
.cta-btn{
  position:relative;
  z-index:1;
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:52px;
  padding:0 30px;
  border-radius:999px;
  background:#fff;
  color:var(--green-800);
  font-size:15px;
  font-weight:700;
  box-shadow:0 10px 26px rgba(0,0,0,.18);
  transition:transform var(--t),color var(--t);
}
.cta-btn:hover{color:var(--amber);transform:translateY(-2px);}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--dark);
  color:#BFD6D0;
  padding:64px 0 26px;
  margin-top:auto;
  border-top:4px solid transparent;
  border-image:var(--grad) 1;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:38px;
}
.foot-brand .brand-mark{margin-bottom:14px;}
.foot-brand strong{
  display:block;
  font-size:18px;
  color:#fff;
  margin-bottom:10px;
}
.foot-brand p{
  font-size:14px;
  line-height:1.8;
  color:rgba(191,214,208,.82);
  max-width:330px;
}
.foot-col h4{
  font-size:15px;
  color:#fff;
  font-weight:600;
  margin-bottom:16px;
}
.foot-col a{
  display:block;
  font-size:14px;
  color:#BFD6D0;
  padding:6px 0;
  transition:color var(--t),transform var(--t);
}
.foot-col a:hover{color:var(--amber-light);transform:translateX(3px);}
.foot-col ul li{
  font-size:14px;
  line-height:1.9;
  color:rgba(191,214,208,.82);
}
.foot-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(191,214,208,.72);
}

/* ===== 断点 ===== */
@media (max-width:1199.98px){
  .side-nav{width:88px;padding:20px 12px 16px;align-items:center;}
  .side-brand{flex-direction:column;gap:8px;padding:4px 0 16px;width:100%;}
  .brand-text{display:none;}
  .side-links{width:100%;align-items:center;}
  .side-link{
    justify-content:center;
    padding:0;
    width:56px;
    height:52px;
  }
  .side-link .nav-label{display:none;}
  .side-link .nav-tip{
    display:block;
    position:absolute;
    left:66px;
    top:50%;
    transform:translateY(-50%) translateX(-6px);
    padding:6px 12px;
    border-radius:10px;
    background:#0B2A26;
    color:#fff;
    font-size:13px;
    white-space:nowrap;
    opacity:0;
    pointer-events:none;
    transition:opacity var(--t),transform var(--t);
    box-shadow:var(--sh-dark);
    z-index:10;
  }
  .side-link:hover .nav-tip{opacity:1;transform:translateY(-50%) translateX(0);}
  .side-foot{width:100%;}
  .side-cta{padding:0 12px;font-size:13px;}
  .side-note{display:none;}
  .page-shell{margin-left:88px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;max-width:860px;margin:0 auto;}
  .toc{display:none;}
}
@media (max-width:991.98px){
  .side-nav{display:none;}
  .mobile-bar{display:flex;}
  .page-shell{margin-left:0;}
  .wrap{padding:0 20px;}
  .article-hero{padding:32px 0 26px;}
  .article-card{padding:30px 26px;}
  .article-body{font-size:16px;}
  .info-grid{grid-template-columns:1fr;gap:16px;}
  .rel-grid{grid-template-columns:repeat(2,1fr);gap:18px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:34px 28px;gap:22px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .info-strip,
  .related{padding-bottom:56px;}
  .cta-band{padding-bottom:64px;}
  .article-layout{padding-bottom:56px;}
}
@media (max-width:767.98px){
  .wrap{padding:0 16px;}
  .article-card{padding:24px 18px;border-radius:16px;}
  .article-title{font-size:clamp(22px,6vw,28px);}
  .article-body h2{padding-left:13px;font-size:20px;}
  .article-body blockquote{padding:14px 16px;}
  .rel-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .cta-inner{padding:28px 22px;border-radius:20px;}
  .cta-btn{height:48px;padding:0 24px;width:100%;justify-content:center;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .toc{display:none;}
  .side-nav{display:none;}
}
@media (max-width:519.98px){
  .article-body{font-size:15.5px;line-height:1.85;}
  .meta-line{gap:8px;font-size:12.5px;}
  .brand-text strong{font-size:16px;}
}

/* roulang page: category1 */
:root{
  --brand-900:#0A3F38;
  --brand-700:#0F5D52;
  --brand-500:#17907C;
  --brand-300:#4FC3A1;
  --amber:#E8862F;
  --amber-300:#F4A94E;
  --amber-50:#FDF1E2;
  --amber-700:#B85F16;
  --bg:#F6F4EF;
  --ink:#1B2320;
  --muted:#5A6663;
  --line:#E3E0D8;
  --divider:#EFEDE6;
  --disabled:#A9B0AD;
  --dark:#0B2A26;
  --white:#FFFFFF;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(15,93,82,.08);
  --sh-hover:0 16px 40px rgba(15,93,82,.14);
  --grad:linear-gradient(120deg,#0A3F38 0%,#0F5D52 42%,#17907C 78%,#4FC3A1 100%);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--amber);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(15,93,82,.22);outline-offset:1px;border-color:var(--brand-700);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:.2px;}
p{margin:0;}
button{font-family:inherit;cursor:pointer;}
::selection{background:rgba(79,195,161,.35);}

/* ============ 侧边导航 ============ */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:240px;z-index:1030;
  background:linear-gradient(170deg,#0A3F38 0%,#0F5D52 100%);
  display:flex;flex-direction:column;
  padding:24px 16px 18px;
  overflow-y:auto;
  scrollbar-width:thin;
}
.side-brand{display:flex;align-items:center;gap:12px;padding:0 8px 20px;border-bottom:1px solid rgba(255,255,255,.10);}
.brand-mark{
  width:48px;height:48px;flex:0 0 48px;border-radius:14px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:20px;
  box-shadow:0 10px 22px rgba(0,0,0,.25);
}
.side-brand-text strong{display:block;color:#fff;font-size:16px;line-height:1.3;letter-spacing:.5px;}
.side-brand-text span{display:block;font-size:12px;color:#BFD6D0;line-height:1.5;margin-top:2px;}
.side-links{display:flex;flex-direction:column;gap:6px;margin-top:20px;flex:1;}
.side-link{
  position:relative;display:flex;align-items:center;gap:12px;
  height:48px;padding:0 14px;border-radius:12px;
  color:#E9F3F0;font-size:15px;font-weight:500;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.side-link i{width:20px;text-align:center;font-size:15px;color:#9FC7BE;transition:color .22s var(--ease);}
.side-link:hover{background:rgba(255,255,255,.08);color:#fff;}
.side-link:hover i{color:var(--amber-300);}
.side-link.active{background:rgba(255,255,255,.10);color:#fff;font-weight:600;}
.side-link.active i{color:var(--amber-300);}
.side-link.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:var(--amber);
}
.nav-tip{display:none;}
.side-foot{padding-top:16px;border-top:1px solid rgba(255,255,255,.10);}
.side-foot .side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:44px;border-radius:var(--r-pill);
  background:var(--amber);color:#fff;font-size:14px;font-weight:600;
  transition:filter .2s var(--ease),transform .2s var(--ease);
}
.side-foot .side-cta:hover{filter:brightness(1.08);transform:translateY(-1px);color:#fff;}
.side-foot .side-note{margin-top:12px;font-size:11px;color:#8FB3AB;line-height:1.6;}

/* ============ 页面壳 ============ */
.page-shell{margin-left:240px;min-height:100vh;display:flex;flex-direction:column;}
.container-custom{max-width:1280px;margin:0 auto;padding:0 24px;width:100%;}

/* ============ 移动端顶栏 ============ */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:1040;
  background:rgba(246,244,239,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.mobile-bar-inner{display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 16px;}
.mobile-brand{display:flex;align-items:center;gap:10px;color:var(--brand-700);font-weight:700;font-size:16px;}
.mobile-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:11px;font-size:16px;}
.burger{
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;color:var(--brand-700);font-size:17px;
  display:flex;align-items:center;justify-content:center;
}
.offcanvas.drawer{background:linear-gradient(170deg,#0A3F38 0%,#0F5D52 100%);color:#E9F3F0;width:300px;}
.drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:20px 20px 16px;}
.drawer .offcanvas-title{color:#fff;font-size:17px;font-weight:700;}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.75;}
.drawer-links{display:flex;flex-direction:column;padding:12px 12px 24px;}
.drawer-links a{
  display:flex;align-items:center;gap:12px;height:52px;padding:0 14px;
  border-radius:12px;color:#E9F3F0;font-size:16px;font-weight:500;
}
.drawer-links a i{width:20px;text-align:center;color:#9FC7BE;}
.drawer-links a.active{background:rgba(255,255,255,.10);color:#fff;}
.drawer-links a.active i{color:var(--amber-300);}

/* ============ 内页 Hero ============ */
.hero-sm{
  position:relative;overflow:hidden;
  background-image:linear-gradient(120deg,rgba(10,63,56,.94) 0%,rgba(15,93,82,.90) 45%,rgba(23,144,124,.84) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:#fff;
  padding:56px 0;
  min-height:280px;
  display:flex;align-items:center;
}
.hero-sm::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;opacity:.6;pointer-events:none;
}
.hero-sm .container-custom{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#BFD6D0;margin-bottom:16px;flex-wrap:wrap;}
.crumb a{color:#CFE6E0;}
.crumb a:hover{color:var(--amber-300);}
.crumb .sep{color:rgba(255,255,255,.45);}
.hero-sm h1{
  color:#fff;font-size:clamp(30px,4.2vw,52px);line-height:1.22;font-weight:700;
  max-width:900px;
}
.hero-sm .hero-lead{
  margin-top:14px;font-size:16px;line-height:1.75;color:#D8EDE7;max-width:720px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  font-size:13px;color:#EAF6F3;
}
.hero-tag i{color:var(--amber-300);}

/* ============ 主体布局 ============ */
.main-wrap{padding:64px 0 88px;flex:1;}
.layout-split{display:grid;grid-template-columns:272px minmax(0,1fr);gap:36px;align-items:start;}

/* 锚点侧栏 */
.anchor-card{
  position:sticky;top:24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh);padding:22px 20px;
}
.anchor-card h2{
  font-size:14px;font-weight:600;color:var(--muted);letter-spacing:1px;
  text-transform:none;margin-bottom:14px;
}
.anchor-list{display:flex;flex-direction:column;gap:4px;}
.anchor-list a{
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:var(--r-sm);
  font-size:14px;color:var(--muted);font-weight:500;
  transition:background .2s var(--ease),color .2s var(--ease),padding-left .2s var(--ease);
}
.anchor-list a i{font-size:11px;color:var(--brand-300);}
.anchor-list a:hover{background:#F1F7F5;color:var(--brand-700);padding-left:16px;}
.anchor-list a.on{background:#F1F7F5;color:var(--brand-700);font-weight:600;}
.anchor-note{
  margin-top:18px;padding:16px;border-radius:var(--r-sm);
  background:var(--amber-50);color:var(--amber-700);font-size:13px;line-height:1.7;
}
.anchor-note strong{display:block;color:#8F4A11;font-size:14px;margin-bottom:4px;}
.anchor-note a{color:#8F4A11;text-decoration:underline;text-underline-offset:3px;}

/* 分节长文 */
.article-col{min-width:0;}
.section-block{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);padding:32px 34px;margin-bottom:24px;
  scroll-margin-top:24px;
}
.section-block:last-child{margin-bottom:0;}
.sec-head{display:flex;align-items:center;gap:12px;margin-bottom:8px;}
.sec-index{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:34px;height:34px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--amber-50);color:var(--amber-700);
  font-size:13px;font-weight:700;letter-spacing:.5px;font-variant-numeric:tabular-nums;
}
.section-block h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;}
.section-block h3{font-size:19px;line-height:1.45;font-weight:600;margin-top:26px;}
.sec-lead{color:var(--muted);font-size:15px;margin-bottom:18px;}
.section-block p{color:#33403C;margin-top:14px;}
.section-block p:first-of-type{margin-top:0;}
.sec-figure{margin:22px 0 6px;}
.sec-figure img{width:100%;border-radius:var(--r-md);aspect-ratio:16/9;background:rgba(15,93,82,.08);}
.sec-figure figcaption{font-size:13px;color:var(--muted);margin-top:10px;text-align:center;}

/* 能力条目 */
.cap-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:22px;}
.cap-item{
  border:1px solid var(--line);border-radius:var(--r-md);padding:20px;
  background:#fff;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.cap-item:hover{transform:translateY(-4px);border-color:rgba(15,93,82,.30);box-shadow:var(--sh-hover);}
.cap-icon{
  width:44px;height:44px;border-radius:13px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px;
  margin-bottom:14px;box-shadow:0 8px 18px rgba(15,93,82,.18);
}
.cap-item h3{font-size:17px;font-weight:600;margin:0 0 8px;}
.cap-item p{font-size:14px;color:var(--muted);line-height:1.7;margin:0;}

/* 数据徽章 */
.metrics-row{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:22px;
}
.metric{
  background:var(--amber-50);border-radius:var(--r-md);padding:20px 18px;
  border:1px solid rgba(232,134,47,.18);
}
.metric .num{
  font-size:clamp(26px,2.6vw,34px);font-weight:700;line-height:1.1;
  color:var(--amber-700);font-variant-numeric:tabular-nums;
}
.metric .lbl{font-size:13px;color:#8F5C2A;margin-top:8px;line-height:1.6;}
.metrics-note{font-size:14px;color:var(--muted);margin-top:16px;}

/* 流程步骤 */
.steps{display:flex;flex-direction:column;gap:0;margin-top:22px;}
.step{display:flex;gap:18px;position:relative;padding-bottom:26px;}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:19px;top:42px;bottom:0;width:2px;
  background:linear-gradient(180deg,rgba(15,93,82,.28),rgba(15,93,82,.06));
}
.step:last-child::before{display:none;}
.step-no{
  flex:0 0 40px;width:40px;height:40px;border-radius:50%;
  background:var(--grad);color:#fff;font-size:15px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(15,93,82,.22);font-variant-numeric:tabular-nums;
}
.step-body h3{font-size:17px;font-weight:600;margin:0 0 6px;}
.step-body p{font-size:14px;color:var(--muted);line-height:1.75;margin:0;}

/* 适用对象标签 */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--r-pill);
  background:#F1F7F5;color:var(--brand-700);
  border:1px solid rgba(15,93,82,.14);
  font-size:14px;font-weight:500;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.tag:hover{background:var(--brand-700);color:#fff;}
.tag i{color:var(--brand-300);font-size:12px;}
.tag:hover i{color:var(--amber-300);}

/* 要点清单 */
.point-list{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.point-list li{display:flex;gap:12px;font-size:15px;color:#33403C;line-height:1.72;}
.point-list li i{color:var(--brand-500);font-size:15px;margin-top:5px;flex:0 0 16px;}
.point-list li strong{font-weight:600;color:var(--ink);}

/* FAQ */
.faq-panel{background:transparent;border:0;box-shadow:none;padding:0;}
.faq-head{margin-bottom:6px;}
.acc{--bs-accordion-border-width:0;--bs-accordion-bg:#fff;--bs-accordion-btn-bg:#fff;
  --bs-accordion-active-bg:#fff;--bs-accordion-active-color:var(--brand-700);
  --bs-accordion-btn-focus-box-shadow:none;--bs-accordion-border-radius:16px;
  --bs-accordion-inner-border-radius:16px;--bs-accordion-color:#33403C;}
.acc .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-md) !important;
  margin-bottom:12px;overflow:hidden;background:#fff;
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.acc .accordion-item:hover{box-shadow:var(--sh);border-color:rgba(15,93,82,.24);}
.acc .accordion-button{
  padding:20px 22px;font-size:16px;font-weight:600;color:var(--ink);
  border:0;background:#fff;box-shadow:none !important;
  display:flex;align-items:center;gap:12px;
}
.acc .accordion-button:not(.collapsed){color:var(--brand-700);}
.acc .accordion-button::before{
  content:"";width:3px;height:18px;border-radius:2px;background:transparent;flex:0 0 3px;
  transition:background .2s var(--ease);
}
.acc .accordion-button:not(.collapsed)::before{background:var(--brand-700);}
.acc .accordion-button::after{
  content:"";background-image:none;width:12px;height:12px;margin-left:auto;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform .25s var(--ease),border-color .2s var(--ease);
}
.acc .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--brand-700);}
.acc .accordion-body{padding:0 22px 22px 37px;font-size:15px;line-height:1.8;color:var(--muted);}

/* CTA 条 */
.cta-band{
  border-radius:var(--r-lg);
  background:var(--grad);
  color:#fff;padding:32px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:0 16px 40px rgba(15,93,82,.22);
  margin-top:24px;
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.2vw,26px);line-height:1.35;}
.cta-band p{color:#D5EDE7;font-size:14px;margin-top:8px;}
.btn-white{
  display:inline-flex;align-items:center;gap:8px;flex:0 0 auto;
  padding:13px 28px;border-radius:var(--r-pill);
  background:#fff;color:var(--brand-700);font-weight:600;font-size:15px;
  border:0;transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-white:hover{color:var(--brand-700);transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.20);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);
  background:#fff;color:var(--brand-700);font-weight:600;font-size:15px;
  border:1px solid rgba(15,93,82,.35);
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.btn-ghost:hover{background:var(--brand-700);color:#fff;transform:translateY(-2px);}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#BFD6D0;padding:56px 0 0;margin-top:auto;}
.site-footer::before{content:"";display:block;height:4px;background:var(--grad);margin-top:-56px;margin-bottom:56px;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;}
.foot-brand .brand-mark{margin-bottom:14px;}
.foot-brand strong{display:block;color:#fff;font-size:17px;margin-bottom:10px;}
.foot-brand p{font-size:13px;line-height:1.8;color:#9FBEB7;max-width:340px;}
.foot-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.foot-col a{display:block;color:#BFD6D0;font-size:14px;line-height:2.1;}
.foot-col a:hover{color:var(--amber-300);}
.foot-col ul li{font-size:13px;line-height:2;color:#9FBEB7;}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;
  gap:12px;flex-wrap:wrap;font-size:13px;color:#8FB3AB;
}

/* ============ 响应式 ============ */
@media (max-width:1399px){
  .container-custom{max-width:1160px;}
}
@media (max-width:1199px) and (min-width:992px){
  .side-nav{width:88px;padding:20px 10px 16px;align-items:center;}
  .page-shell{margin-left:88px;}
  .side-brand{flex-direction:column;gap:8px;padding:0 0 16px;width:100%;align-items:center;}
  .side-brand-text{display:none;}
  .side-links{width:100%;align-items:center;}
  .side-link{justify-content:center;padding:0;width:52px;}
  .side-link .nav-label{display:none;}
  .side-link .nav-tip{
    display:block;position:absolute;left:66px;top:50%;transform:translateY(-50%);
    background:#0A3F38;color:#fff;font-size:13px;padding:6px 12px;border-radius:8px;
    white-space:nowrap;opacity:0;visibility:hidden;transition:opacity .18s var(--ease);
    box-shadow:0 8px 20px rgba(0,0,0,.25);z-index:5;
  }
  .side-link:hover .nav-tip{opacity:1;visibility:visible;}
  .side-foot{width:100%;display:flex;justify-content:center;}
  .side-foot .side-cta{width:52px;height:44px;padding:0;font-size:0;}
  .side-foot .side-cta i{font-size:16px;}
  .side-foot .side-note{display:none;}
  .layout-split{grid-template-columns:236px minmax(0,1fr);gap:24px;}
}
@media (max-width:991px){
  .side-nav{display:none;}
  .page-shell{margin-left:0;}
  .mobile-bar{display:block;}
  .main-wrap{padding:44px 0 64px;}
  .layout-split{grid-template-columns:minmax(0,1fr);gap:24px;}
  .anchor-card{position:static;}
  .metrics-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  .container-custom{padding:0 16px;}
  .hero-sm{padding:40px 0;min-height:240px;}
  .hero-sm .hero-lead{font-size:15px;}
  .section-block{padding:24px 20px;border-radius:var(--r-md);}
  .cap-list{grid-template-columns:minmax(0,1fr);}
  .metrics-row{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:26px 22px;border-radius:var(--r-md);}
  .btn-white,.btn-ghost{width:100%;justify-content:center;}
  .foot-grid{grid-template-columns:1fr;gap:24px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .acc .accordion-button{font-size:15px;padding:18px 16px;}
  .acc .accordion-body{padding:0 16px 18px 31px;}
}

/* roulang page: category2 */
:root{
  --brand:#0F5D52;
  --brand-dark:#0A3F38;
  --brand-light:#17907C;
  --brand-soft:#4FC3A1;
  --amber:#E8862F;
  --amber-light:#F4A94E;
  --amber-bg:#FDF1E2;
  --amber-text:#B85F16;
  --bg:#F6F4EF;
  --dark:#0B2A26;
  --white:#FFFFFF;
  --text:#1B2320;
  --muted:#5A6663;
  --border:#E3E0D8;
  --divider:#EFEDE6;
  --disabled:#A9B0AD;
  --grad:linear-gradient(120deg,#0A3F38 0%,#0F5D52 42%,#17907C 78%,#4FC3A1 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(15,93,82,.08);
  --sh-hover:0 16px 40px rgba(15,93,82,.14);
  --sh-dark:0 8px 24px rgba(0,0,0,.25);
  --side:240px;
  --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","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--text)}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.22}
h2{font-size:clamp(24px,3vw,36px);line-height:1.3}
h3{font-size:21px;line-height:1.4;font-weight:600}
h4{font-size:17px;line-height:1.45;font-weight:600}
p{margin:0 0 12px}
p:last-child{margin-bottom:0}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--amber)}
img{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(15,93,82,.22);outline-offset:1px;border-color:var(--brand)}
.wrap{max-width:1280px;margin:0 auto;padding:0 24px}
.page-shell{margin-left:var(--side)}
.section{padding:88px 0}
.section-sm{padding:56px 0}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-head .eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--amber-text);
  background:var(--amber-bg);
  border-radius:var(--r-pill);
  padding:4px 14px;
  margin-bottom:14px;
}
.sec-head p{color:var(--muted);margin-top:12px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.sec-head-row .sec-head{margin-bottom:0}

/* ============ 左侧竖向导航 ============ */
.side-nav{
  position:fixed;
  inset:0 auto 0 0;
  width:var(--side);
  height:100vh;
  overflow-y:auto;
  background:linear-gradient(170deg,#0A3F38 0%,#0F5D52 70%,#127064 100%);
  color:#E9F3F0;
  padding:26px 18px 22px;
  z-index:1040;
}
.side-nav::-webkit-scrollbar{width:6px}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:99px}
.side-brand{
  display:flex;
  align-items:center;
  gap:12px;
  padding:6px 8px 20px;
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.12);
  margin-bottom:18px;
}
.side-brand:hover{color:#fff}
.brand-mark{
  width:48px;height:48px;flex:0 0 48px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:14px;
  background:linear-gradient(140deg,#17907C,#4FC3A1);
  color:#fff;font-size:20px;
  box-shadow:0 8px 18px rgba(0,0,0,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:.02em}
.brand-text em{font-style:normal;font-size:12px;color:#A8CFC7}
.side-links{display:flex;flex-direction:column;gap:6px}
.side-link{
  position:relative;
  display:flex;align-items:center;gap:12px;
  height:48px;padding:0 16px;
  border-radius:var(--r-sm);
  color:#CFE3DE;font-size:15px;
  transition:background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease);
}
.side-link i{width:20px;text-align:center;font-size:16px}
.side-link:hover{background:rgba(255,255,255,.07);color:#fff}
.side-link.active{
  background:rgba(255,255,255,.08);
  color:#fff;
  box-shadow:inset 3px 0 0 var(--amber);
}
.nav-tip{display:none}
.side-foot{margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12)}
.side-note{font-size:12px;color:#9CC2BA;margin:12px 0 0;line-height:1.6}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;height:44px;border-radius:var(--r-pill);
  background:linear-gradient(120deg,#0A3F38 0%,#0F5D52 42%,#17907C 78%,#4FC3A1 100%);
  color:#fff;font-size:15px;font-weight:600;
  border:1px solid rgba(255,255,255,.22);
}
.side-cta:hover{color:#fff;filter:brightness(1.1)}

/* ============ 移动端顶部导航 ============ */
.topbar{
  position:sticky;top:0;z-index:1030;
  display:flex;align-items:center;justify-content:space-between;
  height:64px;padding:0 16px;
  background:rgba(246,244,239,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
}
.topbar-brand{display:flex;align-items:center;gap:10px;color:var(--brand-dark);font-weight:700;font-size:16px}
.topbar-brand:hover{color:var(--brand-dark)}
.topbar-brand .brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;font-size:16px}
.hamburger{
  width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--border);background:#fff;color:var(--brand-dark);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;
}
.hamburger:hover{border-color:var(--brand);color:var(--brand)}
.offcanvas.mobile-drawer{
  width:300px;background:linear-gradient(170deg,#0A3F38,#0F5D52);color:#E9F3F0;border:0;
}
.mobile-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid rgba(255,255,255,.12)}
.mobile-drawer .drawer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700}
.mobile-drawer .btn-close{filter:invert(1) grayscale(1) brightness(2)}
.mobile-drawer .drawer-body{padding:18px 14px}
.drawer-link{
  display:flex;align-items:center;gap:12px;
  height:52px;padding:0 16px;border-radius:var(--r-sm);
  color:#D6E8E4;font-size:16px;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.drawer-link i{width:20px;text-align:center}
.drawer-link:hover{background:rgba(255,255,255,.07);color:#fff}
.drawer-link.active{background:rgba(255,255,255,.08);color:#fff;box-shadow:inset 3px 0 0 var(--amber)}
.drawer-note{font-size:12px;color:#9CC2BA;padding:18px 16px 0;border-top:1px solid rgba(255,255,255,.12);margin-top:16px}

/* ============ 矮版 Hero ============ */
.cat-hero{
  position:relative;
  padding:64px 0 60px;
  background-image:linear-gradient(110deg,rgba(10,63,56,.94) 0%,rgba(15,93,82,.88) 46%,rgba(23,144,124,.78) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.cat-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
  opacity:.6;
  pointer-events:none;
}
.cat-hero .wrap{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:#BFE0D9;margin-bottom:18px;flex-wrap:wrap}
.crumbs a{color:#BFE0D9}
.crumbs a:hover{color:var(--amber-light)}
.crumbs i{font-size:11px;color:#8FBDB4}
.cat-hero h1{color:#fff;max-width:900px}
.cat-hero .hero-lead{margin-top:14px;font-size:clamp(15px,1.6vw,17px);color:#DAEFEA;max-width:680px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:#E7F5F1;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  border-radius:var(--r-pill);
  padding:7px 16px;
}
.hero-tag i{color:var(--amber-light)}

/* ============ 筛选徽章行 ============ */
.filter-bar{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  padding:18px 22px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh);
}
.filter-bar .filter-title{font-size:14px;color:var(--muted);margin-right:4px}
.filter-chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--brand);
  background:#F1F7F5;
  border:1px solid #DCEAE6;
  border-radius:var(--r-pill);
  padding:7px 16px;
  transition:all .22s var(--ease);
}
.filter-chip:hover{border-color:var(--brand-soft);background:#E8F4F0}
.filter-chip.is-active{
  background:var(--grad);
  border-color:transparent;
  color:#fff;
  box-shadow:0 6px 16px rgba(15,93,82,.22);
}

/* ============ 服务卡片 ============ */
.svc-card{
  display:flex;flex-direction:column;
  height:100%;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(15,93,82,.3)}
.svc-media{
  position:relative;
  aspect-ratio:16/9;
  background:rgba(15,93,82,.08);
  overflow:hidden;
}
.svc-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.svc-card:hover .svc-media img{transform:scale(1.04)}
.svc-media .media-tag{
  position:absolute;top:12px;left:12px;
  background:rgba(11,42,38,.72);
  color:#fff;font-size:12px;
  padding:4px 12px;border-radius:var(--r-pill);
  backdrop-filter:blur(4px);
}
.svc-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.svc-body h3{margin-bottom:10px}
.svc-body .svc-desc{color:var(--muted);font-size:15px;margin-bottom:14px}
.tick-list{margin-bottom:18px}
.tick-list li{
  position:relative;
  padding-left:22px;
  font-size:14px;
  color:var(--muted);
  line-height:1.9;
}
.tick-list li::before{
  content:"";
  position:absolute;left:0;top:11px;
  width:8px;height:8px;border-radius:3px;
  background:var(--amber);
}
.text-link{
  margin-top:auto;
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.text-link i{transition:transform .22s var(--ease);font-size:12px}
.text-link:hover{color:var(--amber)}
.text-link:hover i{transform:translateX(4px)}

/* ============ 数据徽章条 ============ */
.data-band{
  background:var(--dark);
  border-radius:var(--r-lg);
  padding:38px 34px;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.data-band::before{
  content:"";position:absolute;right:-80px;top:-80px;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(79,195,161,.28),transparent 70%);
}
.data-band .band-note{font-size:14px;color:#9FC4BC;margin-bottom:22px;position:relative;z-index:2}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;z-index:2}
.data-item{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-md);
  padding:20px 18px;
}
.data-item .num{
  font-size:clamp(28px,3vw,38px);font-weight:700;line-height:1.1;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,#4FC3A1,#F4A94E);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.data-item .lbl{display:block;font-size:13px;color:#BFD6D0;margin-top:8px;line-height:1.6}

/* ============ 流程步骤 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.flow-step{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--sh);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.flow-step .step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:var(--amber-bg);color:var(--amber-text);
  font-weight:700;font-size:16px;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:18px;margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--muted)}

/* ============ 图文说明区 ============ */
.assure{
  display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:34px;box-shadow:var(--sh);
}
.assure-img{
  border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/11;
  background:rgba(15,93,82,.08);
}
.assure-img img{width:100%;height:100%;object-fit:cover}
.assure-txt h2{margin-bottom:14px}
.assure-txt p{color:var(--muted)}
.assure-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 20px;margin:18px 0 22px}
.assure-list li{display:flex;gap:10px;font-size:14px;color:var(--text);align-items:flex-start}
.assure-list li i{color:var(--brand-light);margin-top:6px;font-size:12px}

/* ============ 按钮 ============ */
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:var(--r-pill);border:0;
  background:linear-gradient(120deg,#0A3F38 0%,#0F5D52 42%,#17907C 78%,#4FC3A1 100%);
  color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 8px 20px rgba(15,93,82,.24);
  transition:transform .22s var(--ease),filter .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-grad:hover{color:#fff;filter:brightness(1.08);transform:translateY(-2px);box-shadow:var(--sh-hover)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--brand);
  color:var(--brand);font-size:15px;font-weight:600;
  transition:all .22s var(--ease);
}
.btn-ghost:hover{background:#F1F7F5;color:var(--brand);border-color:var(--brand-light)}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px}
.accordion-item{
  border:0;background:transparent;border-radius:var(--r-md);
  overflow:hidden;margin-bottom:12px;box-shadow:var(--sh);
}
.accordion-button{
  background:#fff;color:var(--text);
  font-size:17px;font-weight:600;
  padding:20px 24px;border-radius:var(--r-md)!important;
  box-shadow:none;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.accordion-button:not(.collapsed){
  color:var(--brand);background:#fff;
  box-shadow:inset 3px 0 0 0 var(--brand);
}
.accordion-button:focus{box-shadow:inset 3px 0 0 0 var(--brand);border-color:transparent}
.accordion-button::after{display:none}
.faq-sign{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:#F1F7F5;color:var(--muted);font-size:13px;
  transition:transform .28s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.accordion-button:not(.collapsed) .faq-sign{transform:rotate(90deg);background:var(--amber-bg);color:var(--amber-text)}
.accordion-body{
  background:#fff;padding:0 24px 24px;color:var(--muted);font-size:15px;
  border-top:1px solid var(--divider);
  padding-top:18px;
}

/* ============ CTA 条 ============ */
.cta-bar{
  background:linear-gradient(120deg,#0A3F38 0%,#0F5D52 42%,#17907C 78%,#4FC3A1 100%);
  border-radius:var(--r-lg);
  padding:38px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:0 16px 36px rgba(10,63,56,.22);
  position:relative;
  overflow:hidden;
}
.cta-bar::after{
  content:"";position:absolute;right:-60px;bottom:-90px;
  width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.08);
}
.cta-bar .cta-txt{position:relative;z-index:2}
.cta-bar h2{color:#fff;font-size:clamp(20px,2.4vw,28px);margin-bottom:8px}
.cta-bar p{color:#D8EDE8;font-size:14px;margin:0}
.btn-white{
  position:relative;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 30px;border-radius:var(--r-pill);
  background:#fff;color:var(--brand);font-weight:700;font-size:15px;
  white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-white:hover{color:var(--brand);transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.2)}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#BFD6D0;padding:64px 0 26px;margin-top:96px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.foot-brand .brand-mark{margin-bottom:14px}
.foot-brand strong{display:block;color:#fff;font-size:18px;margin-bottom:10px}
.foot-brand p{font-size:14px;color:#9FC4BC;line-height:1.8;max-width:340px}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.foot-col a{display:block;color:#BFD6D0;font-size:14px;line-height:2.1}
.foot-col a:hover{color:var(--amber-light)}
.foot-col li{font-size:14px;line-height:2.1;color:#9FC4BC}
.foot-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FB4AC;
}

/* ============ 响应式 ============ */
@media (min-width:992px) and (max-width:1199px){
  :root{--side:88px}
  .side-nav{padding:22px 14px}
  .side-brand{justify-content:center;padding:6px 0 18px}
  .brand-text{display:none}
  .side-link{justify-content:center;padding:0;gap:0}
  .nav-label{display:none}
  .nav-tip{
    display:block;position:absolute;left:74px;top:50%;transform:translateY(-50%);
    background:#0B2A26;color:#fff;font-size:13px;padding:6px 12px;
    border-radius:8px;white-space:nowrap;opacity:0;pointer-events:none;
    transition:opacity .18s var(--ease);box-shadow:var(--sh-dark);z-index:5;
  }
  .side-link:hover .nav-tip{opacity:1}
  .side-cta span,.side-cta .cta-text{display:none}
  .side-note{display:none}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:991px){
  .page-shell{margin-left:0}
  .side-nav{display:none}
  .section{padding:72px 0}
  .section-sm{padding:48px 0}
  .cat-hero{padding:44px 0 46px}
  .data-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .assure{grid-template-columns:1fr;gap:28px;padding:26px}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:32px 28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .site-footer{margin-top:72px}
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  .section{padding:56px 0}
  .sec-head{margin-bottom:26px}
  .svc-card,.assure,.cta-bar,.filter-bar{border-radius:var(--r-md)}
  .data-grid{grid-template-columns:1fr 1fr;gap:12px}
  .data-band{padding:28px 20px}
  .flow-grid{grid-template-columns:1fr}
  .assure-list{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-bar{padding:28px 20px}
  .btn-white{width:100%;justify-content:center}
  h3{font-size:19px}
}
@media (max-width:520px){
  .filter-bar{padding:14px 16px;gap:8px}
  .filter-chip{font-size:13px;padding:6px 13px}
  .data-grid{grid-template-columns:1fr}
  .hero-tag{font-size:12px;padding:6px 12px}
}

/* roulang page: category3 */
:root{
  --brand:#0F5D52;
  --brand-dark:#0A3F38;
  --brand-light:#17907C;
  --brand-soft:#4FC3A1;
  --amber:#E8862F;
  --amber-light:#F4A94E;
  --amber-bg:#FDF1E2;
  --amber-deep:#B85F16;
  --bg:#F6F4EF;
  --dark:#0B2A26;
  --white:#FFFFFF;
  --text:#1B2320;
  --muted:#5A6663;
  --line:#E3E0D8;
  --divider:#EFEDE6;
  --disabled:#A9B0AD;
  --grad:linear-gradient(120deg,#0A3F38 0%,#0F5D52 42%,#17907C 78%,#4FC3A1 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:16px;
  --r-xs:12px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(15,93,82,.08);
  --sh-hover:0 16px 40px rgba(15,93,82,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-w:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--amber)}
button,input,textarea,select{font-family:inherit;font-size:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text)}
p{margin:0}
:focus-visible{outline:3px solid rgba(15,93,82,.22);outline-offset:2px;border-radius:8px}

/* ---------- 容器 ---------- */
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.page-shell{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column}
main{flex:1}

/* ---------- 左侧竖向导航 ---------- */
.sidenav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:linear-gradient(170deg,#0A3F38 0%,#0F5D52 100%);
  color:#E9F3F0;display:flex;flex-direction:column;
  padding:24px 16px;z-index:1040;overflow-y:auto;
}
.sidenav::-webkit-scrollbar{width:6px}
.sidenav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:6px}
.brand{display:flex;align-items:center;gap:12px;padding:4px 6px 20px;margin-bottom:18px;border-bottom:1px solid rgba(255,255,255,.12)}
.brand-mark{
  width:48px;height:48px;flex:0 0 48px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:20px;box-shadow:0 8px 18px rgba(0,0,0,.28);
}
.brand-name{font-size:17px;font-weight:700;color:#fff;line-height:1.3;letter-spacing:.4px}
.brand-sub{font-size:12px;color:#9FC4BC;line-height:1.5;margin-top:2px}
.side-links{display:flex;flex-direction:column;gap:6px;flex:1}
.side-link{
  position:relative;display:flex;align-items:center;gap:12px;height:48px;padding:0 14px;
  border-radius:12px;color:#CFE4DF;font-size:15px;font-weight:500;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.side-link i{width:20px;text-align:center;font-size:16px}
.side-link:hover{background:rgba(255,255,255,.06);color:#fff}
.side-link.active{background:rgba(255,255,255,.08);color:#fff}
.side-link.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;background:var(--amber-light);
}
.side-foot{margin-top:18px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:#9FC4BC;line-height:1.7}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;height:44px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;font-size:14px;font-weight:600;margin-bottom:12px;
  transition:filter .22s var(--ease),transform .22s var(--ease);
}
.side-cta:hover{color:#fff;filter:brightness(1.08);transform:translateY(-1px)}
.nav-tip{display:none}

/* ---------- 移动端顶部导航 ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:1030;
  background:rgba(246,244,239,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.topbar-brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:16px}
.topbar-brand:hover{color:var(--brand)}
.brand-mark-sm{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:16px;
}
.hamburger{
  width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;
  color:var(--brand);font-size:18px;display:grid;place-items:center;
}
.hamburger:hover{border-color:var(--brand)}
.offcanvas.drawer{background:linear-gradient(170deg,#0A3F38 0%,#0F5D52 100%);color:#E9F3F0;width:290px;border:none}
.drawer-head{display:flex;align-items:center;gap:12px;padding:4px 0 20px;margin-bottom:14px;border-bottom:1px solid rgba(255,255,255,.14)}
.drawer-head strong{color:#fff;font-size:17px}
.drawer-head .brand-mark{width:42px;height:42px;flex:0 0 42px;font-size:17px}
.drawer-link{
  display:flex;align-items:center;gap:12px;height:52px;padding:0 16px;border-radius:12px;
  font-size:16px;color:#CFE4DF;transition:background .22s var(--ease),color .22s var(--ease);
}
.drawer-link:hover{background:rgba(255,255,255,.07);color:#fff}
.drawer-link.active{color:var(--amber-light);background:rgba(255,255,255,.09)}
.drawer-link i{width:20px;text-align:center}

/* ---------- 内页矮版 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:54px 0 50px;
  border-radius:0 0 28px 28px;
  background-image:
    linear-gradient(120deg,rgba(10,63,56,.95) 0%,rgba(15,93,82,.90) 46%,rgba(23,144,124,.82) 100%),
    url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:46px 46px;
  opacity:.5;
}
.page-hero .wrap{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:20px}
.crumb a{color:rgba(255,255,255,.88)}
.crumb a:hover{color:var(--amber-light)}
.crumb i{font-size:10px;opacity:.65}
.page-hero h1{
  font-size:clamp(30px,4.2vw,52px);line-height:1.22;color:#fff;margin-bottom:14px;letter-spacing:.5px;
}
.hero-lede{max-width:660px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.92)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  font-size:13px;color:#fff;
}
.hero-tag i{font-size:12px;color:var(--amber-light)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section.alt-bg{background:#fff;border-top:1px solid var(--divider);border-bottom:1px solid var(--divider)}
.sec-head{max-width:720px;margin-bottom:38px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:.14em;color:var(--brand-light);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--amber-light)}
.sec-head.center .eyebrow::before{display:none}
.sec-head h2{font-size:clamp(24px,3vw,36px);line-height:1.3;margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:16px}

/* ---------- 卡片 ---------- */
.card-x{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--sh);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  display:flex;flex-direction:column;
}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(15,93,82,.3)}
.card-media{border-radius:var(--r-sm);overflow:hidden;background:rgba(15,93,82,.08);margin-bottom:20px}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.card-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:19px;margin-bottom:18px;
}
.card-x h3{font-size:20px;line-height:1.4;margin-bottom:10px}
.card-x p{color:var(--muted);font-size:15px;line-height:1.8}
.card-link{
  margin-top:auto;padding-top:18px;font-size:14px;font-weight:600;color:var(--brand);
  display:inline-flex;align-items:center;gap:8px;
}
.card-link:hover{color:var(--amber);gap:12px}
.card-link i{font-size:12px;transition:transform .22s var(--ease)}
.card-link:hover i{transform:translateX(2px)}

/* ---------- 方案总览非对称网格 ---------- */
.overview-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:22px;align-items:stretch}
.feature-card{grid-row:span 1}
.feature-card h3{font-size:22px}

/* ---------- 左右交替图文 ---------- */
.alt-row{display:grid;grid-template-columns:5fr 7fr;gap:46px;align-items:center;padding:38px 0}
.alt-row + .alt-row{border-top:1px dashed var(--line)}
.alt-row.rev .alt-media{order:2}
.alt-row.rev .alt-body{order:1}
.alt-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);background:rgba(15,93,82,.08)}
.alt-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.alt-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(10,63,56,.28) 0%,rgba(23,144,124,.05) 60%,rgba(10,63,56,.32) 100%);
}
.alt-index{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--amber-deep);background:var(--amber-bg);border-radius:var(--r-pill);
  padding:7px 16px;margin-bottom:16px;letter-spacing:.06em;
}
.alt-body h3{font-size:clamp(21px,2.3vw,26px);line-height:1.35;margin-bottom:14px}
.alt-body > p{color:var(--muted);font-size:16px;line-height:1.85}
.tick-list{display:grid;gap:10px;margin:20px 0 22px}
.tick-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text);line-height:1.75}
.tick-list i{color:var(--brand-light);margin-top:5px;font-size:13px}

/* ---------- 数据徽章条 ---------- */
.stat-strip{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px 32px;box-shadow:var(--sh);
}
.stat-note{font-size:14px;color:var(--muted);margin-bottom:22px;display:flex;align-items:center;gap:10px}
.stat-note i{color:var(--amber)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{
  display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap;
  background:var(--amber-bg);border:1px solid #F6DDBF;border-radius:var(--r-pill);
  padding:14px 22px;
}
.stat b{
  font-size:clamp(22px,2.4vw,30px);line-height:1.1;font-weight:700;color:var(--amber-deep);
  font-variant-numeric:tabular-nums;
}
.stat span{font-size:13px;color:#8A5A28;line-height:1.5}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--sh);position:relative;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.step-num{
  width:36px;height:36px;border-radius:var(--r-pill);background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:700;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;line-height:1.45;margin-bottom:10px}
.step p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-list .accordion-item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-sm);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh);
}
.faq-list .accordion-button{
  background:var(--white);color:var(--text);font-size:17px;font-weight:600;line-height:1.6;
  padding:20px 22px;box-shadow:none;border-radius:var(--r-sm);display:flex;align-items:center;gap:14px;
}
.faq-list .accordion-button:not(.collapsed){
  color:var(--brand);border-left:3px solid var(--brand);padding-left:19px;
}
.faq-list .accordion-button:focus{box-shadow:none;border-color:var(--line)}
.faq-list .accordion-button::after{display:none}
.faq-icon{margin-left:auto;color:var(--muted);font-size:14px;transition:transform .22s var(--ease),color .22s var(--ease)}
.faq-list .accordion-button:not(.collapsed) .faq-icon{transform:rotate(90deg);color:var(--brand)}
.faq-list .accordion-body{padding:0 22px 22px;color:var(--muted);font-size:15px;line-height:1.85}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background-image:linear-gradient(120deg,#0A3F38 0%,#0F5D52 42%,#17907C 78%,#4FC3A1 100%);
  padding:46px 42px;display:flex;align-items:center;justify-content:space-between;gap:34px;
  color:#fff;box-shadow:0 16px 40px rgba(15,93,82,.18);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.08);
}
.cta-band > div{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,32px);line-height:1.3;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.88);font-size:15px;max-width:640px}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--grad);color:#fff;border:none;border-radius:var(--r-pill);
  padding:14px 30px;font-size:15px;font-weight:600;white-space:nowrap;
  box-shadow:0 8px 20px rgba(15,93,82,.18);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease);
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 14px 30px rgba(15,93,82,.26)}
.btn-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--brand);border:none;border-radius:var(--r-pill);
  padding:14px 30px;font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-light:hover{color:var(--brand-dark);transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.18)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--brand);border:1px solid var(--brand);border-radius:var(--r-pill);
  padding:13px 28px;font-size:15px;font-weight:600;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.btn-ghost:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.3);
  border-radius:var(--r-pill);padding:13px 28px;font-size:15px;font-weight:600;
  transition:background .22s var(--ease),transform .22s var(--ease);
}
.btn-soft:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#BFD6D0;padding:72px 0 28px;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
.foot-brand .brand-mark{width:46px;height:46px;flex:0 0 46px;border-radius:14px;background:var(--grad);display:grid;place-items:center;color:#fff;font-size:18px}
.foot-brand strong{display:block;color:#fff;font-size:18px;margin:14px 0 10px}
.foot-brand p{font-size:14px;line-height:1.85;color:#9FC4BC;max-width:340px}
.foot-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.foot-col a{display:block;color:#BFD6D0;font-size:14px;line-height:2.2}
.foot-col a:hover{color:var(--amber-light)}
.foot-col ul li{font-size:14px;line-height:2;color:#9FC4BC}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:20px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FAFA8;
}

/* ---------- 响应式 ---------- */
@media (min-width:992px) and (max-width:1199px){
  :root{--nav-w:88px}
  .brand{justify-content:center;padding:4px 0 18px}
  .brand-copy{display:none}
  .side-link{justify-content:center;padding:0}
  .side-link .nav-label{display:none}
  .side-link .nav-tip{
    display:block;position:absolute;left:76px;top:50%;transform:translateY(-50%);
    background:var(--dark);color:#fff;font-size:12px;padding:6px 12px;border-radius:8px;
    white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .18s var(--ease);
  }
  .side-link:hover .nav-tip{opacity:1}
  .side-foot{display:none}
  .side-cta span{display:none}
}
@media (max-width:991px){
  .sidenav{display:none}
  .topbar{display:block}
  .page-shell{margin-left:0}
  .section{padding:72px 0}
  .page-hero{padding:44px 0 42px;border-radius:0 0 22px 22px}
  .overview-grid{grid-template-columns:1fr 1fr}
  .feature-card{grid-column:span 2}
  .alt-row{grid-template-columns:1fr;gap:26px;padding:32px 0}
  .alt-row.rev .alt-media{order:1}
  .alt-row.rev .alt-body{order:2}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 30px}
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  .section{padding:56px 0}
  .overview-grid{grid-template-columns:1fr}
  .feature-card{grid-column:span 1}
  .stat-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .card-x{border-radius:var(--r-sm);padding:22px}
  .cta-band{padding:30px 22px;border-radius:var(--r-md)}
  .hero-lede{font-size:16px}
  .hero-tag{font-size:12px;padding:7px 14px}
  .stat-strip{padding:24px 20px;border-radius:var(--r-md)}
  .foot-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category4 */
:root{
  --brand:#0F5D52;
  --brand-dark:#0A3F38;
  --brand-light:#17907C;
  --brand-soft:#4FC3A1;
  --amber:#E8862F;
  --amber-light:#F4A94E;
  --amber-bg:#FDF1E2;
  --amber-text:#B85F16;
  --bg:#F6F4EF;
  --dark:#0B2A26;
  --white:#FFFFFF;
  --ink:#1B2320;
  --muted:#5A6663;
  --line:#E3E0D8;
  --line-soft:#EFEDE6;
  --disabled:#A9B0AD;
  --grad:linear-gradient(120deg,#0A3F38 0%,#0F5D52 42%,#17907C 78%,#4FC3A1 100%);
  --grad-soft:linear-gradient(180deg,#0A3F38 0%,#0F5D52 100%);
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh:0 8px 24px rgba(15,93,82,.08);
  --sh-hover:0 16px 40px rgba(15,93,82,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-w:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;background:rgba(15,93,82,.08);object-fit:cover}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--amber)}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);line-height:1.3}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.22;font-weight:700}
h2{font-size:clamp(24px,3vw,36px)}
h3{font-size:21px;font-weight:600;line-height:1.4}
h4{font-size:17px;font-weight:600;line-height:1.45}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(15,93,82,.22);outline-offset:2px;border-radius:8px}
.wrap{max-width:1280px;margin:0 auto;padding:0 24px}

/* ---------- 侧栏导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--grad-soft);
  color:#E9F3F0;
  display:flex;flex-direction:column;
  padding:26px 18px 20px;
  z-index:1040;overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none}
.brand:hover{color:#fff}
.brand-mark{
  width:48px;height:48px;flex:none;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(120deg,#17907C,#4FC3A1);color:#fff;font-size:20px;
  box-shadow:0 8px 18px rgba(0,0,0,.25);
}
.brand-text strong{display:block;font-size:17px;color:#fff;line-height:1.3}
.brand-text span{display:block;font-size:12px;color:rgba(233,243,240,.72);line-height:1.5}
.side-links{display:flex;flex-direction:column;gap:6px;margin-top:28px}
.side-link{
  position:relative;display:flex;align-items:center;gap:12px;
  height:48px;padding:0 14px;border-radius:var(--r-sm);
  color:#E9F3F0;font-size:15px;transition:background .2s var(--ease),color .2s var(--ease);
}
.side-link i{width:20px;text-align:center;font-size:16px;flex:none}
.side-link:hover{background:rgba(255,255,255,.08);color:#fff}
.side-link.active{background:rgba(255,255,255,.1);color:#fff;font-weight:600}
.side-link.active::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  border-radius:3px;background:var(--amber-light);
}
.nav-tip{display:none}
.side-cta{
  margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:12px;
}
.side-cta .btn-brand{justify-content:center}
.side-meta{font-size:12px;color:rgba(233,243,240,.62);line-height:1.6}

/* ---------- 顶部导航（移动/平板） ---------- */
.top-nav{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,244,239,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.top-nav .inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:66px}
.top-brand{display:flex;align-items:center;gap:10px;color:var(--ink)}
.top-brand .brand-mark{width:40px;height:40px;border-radius:12px;font-size:17px;box-shadow:0 6px 14px rgba(15,93,82,.2)}
.top-brand strong{font-size:16px;color:var(--ink)}
.menu-btn{
  width:46px;height:46px;border-radius:14px;border:1px solid var(--line);
  background:#fff;color:var(--brand);font-size:18px;display:grid;place-items:center;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.menu-btn:hover{border-color:var(--brand-soft);color:var(--amber)}
.drawer{background:var(--grad-soft);color:#E9F3F0;border:0;width:300px;max-width:86vw}
.drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:18px 20px}
.drawer .offcanvas-body{padding:18px 20px}
.drawer .side-link{height:52px;font-size:16px}
.drawer .brand-text strong{color:#fff}
.drawer .brand-text span{color:rgba(233,243,240,.7)}

/* ---------- 主区域 ---------- */
.app-main{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column}
.page-hero{
  position:relative;overflow:hidden;
  min-height:284px;display:flex;align-items:center;
  padding:56px 0 60px;
  color:#fff;
  border-radius:0 0 28px 28px;
  background-image:linear-gradient(120deg,rgba(10,63,56,.95) 0%,rgba(15,93,82,.9) 46%,rgba(23,144,124,.84) 100%),url(/assets/images/backpic/back-2.webp);
  background-size:cover,cover;
  background-position:center,center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 64px),
                   repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 64px);
}
.page-hero .wrap{position:relative;z-index:2}
.crumb{font-size:13px;color:rgba(255,255,255,.76);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:var(--amber-light)}
.crumb .sep{color:rgba(255,255,255,.45)}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-top:22px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.14);color:#EAF6F3;border:1px solid rgba(255,255,255,.2);
}
.page-hero h1{color:#fff;margin-top:16px}
.page-hero .lead{max-width:640px;margin-top:14px;color:rgba(255,255,255,.86);font-size:16px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-tag{
  font-size:13px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);color:#EAF6F3;
}

.section{padding:64px 0}
.section.tight{padding:52px 0 0}
.section-head{margin-bottom:28px;max-width:720px}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand-light);margin-bottom:10px;
}
.section-head p{color:var(--muted);margin-top:12px;font-size:15px}

/* ---------- 卡片 ---------- */
.card-soft{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card-soft:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(15,93,82,.3)}
.icon-sq{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:19px;margin-bottom:16px;
}
.card-soft h3{font-size:19px;margin-bottom:10px}
.card-soft p{color:var(--muted);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.text-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:600}
.text-link i{font-size:12px;transition:transform .2s var(--ease)}
.text-link:hover i{transform:translateX(3px)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:36px;margin-top:6px}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--brand-light),rgba(79,195,161,.22));
}
.tl-item{position:relative;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-36px;top:5px;width:20px;height:20px;border-radius:50%;
  background:#fff;border:2px solid var(--brand-light);box-shadow:0 0 0 4px rgba(79,195,161,.16);
}
.tl-step{
  display:inline-block;font-size:13px;font-weight:600;color:var(--amber-text);
  background:var(--amber-bg);border-radius:999px;padding:3px 12px;margin-bottom:8px;
}
.tl-item h3{font-size:18px;margin-bottom:6px}
.tl-item p{color:var(--muted);font-size:15px}

/* ---------- 自查清单 ---------- */
.split{display:grid;grid-template-columns:5fr 7fr;gap:36px;align-items:center}
.split-img{border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh)}
.split-img img{width:100%;height:100%;min-height:280px;aspect-ratio:4/3}
.check-list{display:grid;gap:16px;margin-top:22px}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--muted)}
.check-list i{color:var(--brand-light);margin-top:5px;font-size:14px;flex:none}
.check-list strong{color:var(--ink);font-weight:600}

/* ---------- 折叠面板 ---------- */
.accordion{--bs-accordion-border-width:0;--bs-accordion-bg:transparent;--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-active-bg:transparent;--bs-accordion-active-color:var(--brand)}
.acc-stack{display:grid;gap:12px}
.accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md)!important;
  overflow:hidden;box-shadow:var(--sh);transition:border-color .2s var(--ease)
}
.accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(15,93,82,.32)}
.accordion-button{
  position:relative;background:#fff;color:var(--ink);
  font-size:17px;font-weight:600;padding:20px 22px 20px 22px;border-radius:var(--r-md)!important;
}
.accordion-button:not(.collapsed){color:var(--brand);background:#fff;box-shadow:none}
.accordion-button::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;
  background:var(--brand);transform:scaleY(0);transform-origin:top;transition:transform .25s var(--ease);
}
.accordion-button:not(.collapsed)::before{transform:scaleY(1)}
.accordion-button::after{
  width:18px;height:18px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235A6663' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  background-size:18px 18px;background-position:center;transition:transform .25s var(--ease),background-image .25s var(--ease);
}
.accordion-button:not(.collapsed)::after{
  transform:rotate(90deg);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230F5D52' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M5 12h14'/%3E%3C/svg%3E");
}
.accordion-body{padding:0 22px 22px;color:var(--muted);font-size:15px}

/* ---------- 右侧联系浮卡 ---------- */
.layout{display:grid;grid-template-columns:1fr 372px;gap:36px;align-items:start}
.aside-sticky{position:sticky;top:24px;display:grid;gap:20px}
.contact-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:26px;box-shadow:var(--sh)
}
.contact-card h3{font-size:20px;margin-bottom:6px}
.contact-card .hint{font-size:14px;color:var(--muted);margin-bottom:20px}
.form-row{margin-bottom:14px}
.form-label{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:6px;display:block}
.form-control,.form-select{
  width:100%;min-height:48px;padding:12px 16px;font-size:15px;
  color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease)
}
textarea.form-control{min-height:120px;resize:vertical}
.form-control::placeholder{color:var(--disabled)}
.form-control:focus,.form-select:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,93,82,.18);outline:none
}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border:0;border-radius:999px;
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;
  cursor:pointer;transition:transform .2s var(--ease),filter .2s var(--ease),box-shadow .2s var(--ease);
  box-shadow:0 10px 22px rgba(15,93,82,.22)
}
.btn-brand:hover{color:#fff;filter:brightness(1.08);transform:translateY(-2px)}
.btn-brand.w-full{width:100%}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;background:#fff;
  border:1px solid var(--brand);color:var(--brand);font-size:15px;font-weight:600;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)
}
.btn-ghost:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-white{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border:0;border-radius:999px;background:#fff;color:var(--brand);
  font-size:15px;font-weight:600;transition:transform .2s var(--ease),color .2s var(--ease)
}
.btn-white:hover{color:var(--amber);transform:translateY(-2px)}
.form-note{display:block;margin-top:12px;font-size:13px;color:var(--muted);line-height:1.6}
.quick-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:22px 26px;box-shadow:var(--sh)}
.quick-card h4{margin-bottom:12px;font-size:17px}
.quick-list{display:grid;gap:4px}
.quick-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:15px;color:var(--ink);padding:11px 12px;border-radius:10px;
  border-left:3px solid transparent;transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease)
}
.quick-list a:hover{background:#F1F7F5;border-left-color:var(--amber);color:var(--brand)}
.quick-list span{font-size:12px;color:var(--muted)}

/* ---------- 数据徽章条 ---------- */
.badge-band{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:28px;box-shadow:var(--sh)
}
.badge-band .tip{font-size:14px;color:var(--muted);margin-bottom:18px}
.badge-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.badge-item{
  background:var(--amber-bg);border-radius:var(--r-md);padding:18px 20px;
  display:flex;flex-direction:column;gap:4px
}
.badge-item .num{font-size:30px;font-weight:700;line-height:1.1;color:var(--amber-text);font-variant-numeric:tabular-nums}
.badge-item .txt{font-size:13px;color:#8A5620}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--grad);border-radius:var(--r-xl);padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  color:#fff;box-shadow:var(--sh)
}
.cta-band h3{color:#fff;font-size:24px;margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;max-width:560px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#BFD6D0;margin-top:72px}
.site-footer .wrap{padding-top:56px;padding-bottom:24px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.foot-brand .brand-mark{width:44px;height:44px;border-radius:13px;font-size:18px;background:linear-gradient(120deg,#17907C,#4FC3A1);margin-bottom:14px}
.foot-brand strong{display:block;color:#fff;font-size:18px;margin-bottom:10px}
.foot-brand p{font-size:14px;line-height:1.75;color:#9FBDB6;max-width:320px}
.foot-col h4{color:#fff;font-size:16px;margin-bottom:16px}
.foot-col a{display:block;font-size:14px;color:#BFD6D0;margin-bottom:10px}
.foot-col a:hover{color:var(--amber-light)}
.foot-col ul li{font-size:14px;color:#9FBDB6;margin-bottom:10px}
.foot-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8CA9A3
}

/* ---------- 响应式 ---------- */
@media (min-width:992px) and (max-width:1199px){
  .side-nav{width:88px;padding:22px 12px;align-items:center}
  .brand{justify-content:center}
  .brand-text{display:none}
  .side-links{width:100%;margin-top:24px}
  .side-link{justify-content:center;padding:0}
  .nav-label{display:none}
  .nav-tip{
    position:absolute;left:calc(100% + 12px);top:50%;transform:translateY(-50%);
    display:block;white-space:nowrap;background:var(--dark);color:#fff;
    font-size:13px;padding:7px 12px;border-radius:8px;
    opacity:0;visibility:hidden;transition:.2s var(--ease);z-index:20
  }
  .side-link:hover .nav-tip{opacity:1;visibility:visible}
  .side-cta .btn-brand span{display:none}
  .side-meta{display:none}
  .app-main{margin-left:88px}
  .layout{grid-template-columns:1fr 320px;gap:28px}
}
@media (max-width:991px){
  .side-nav{display:none}
  .app-main{margin-left:0}
  .page-hero{border-radius:0 0 22px 22px;padding:44px 0 48px;min-height:0}
  .section{padding:52px 0}
  .split{grid-template-columns:1fr;gap:28px}
  .split-img img{min-height:220px;aspect-ratio:16/10}
  .layout{grid-template-columns:1fr;gap:28px}
  .aside-sticky{position:static}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .badge-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  body{font-size:15px}
  .section{padding:44px 0}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .badge-grid{grid-template-columns:1fr 1fr;gap:12px}
  .card-soft,.contact-card,.quick-card{border-radius:var(--r-md);padding:22px}
  .badge-band{padding:22px;border-radius:var(--r-md)}
  .cta-band{padding:26px;border-radius:var(--r-md);flex-direction:column;align-items:flex-start}
  .acc-stack{gap:10px}
  .accordion-button{font-size:16px;padding:18px}
  .accordion-body{padding:0 18px 18px}
  .timeline{padding-left:30px}
  .tl-item::before{left:-30px;width:18px;height:18px}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;gap:8px}
  .hero-tags{gap:8px}
  .page-hero h1{font-size:28px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}