/* roulang page: index */
:root{
  --ink:#0B2E2A; --accent:#12C79A; --cta:#FF5F45;
  --bg:#F6F5F1; --card:#FFFFFF;
  --text:#10201C; --muted:#5A6B66; --weak:#93A19C; --line:#E3E1DA;
  --r-card:18px; --r-img:16px; --r-field:12px;
  --sh-1:0 1px 2px rgba(11,46,42,.05);
  --sh-2:0 18px 40px -18px rgba(11,46,42,.28);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--bg);color:var(--text);font-family:'Noto Sans SC','PingFang SC','HarmonyOS Sans','Source Han Sans SC',system-ui,sans-serif;font-size:16px;line-height:1.85;font-weight:400;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:800;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container-x{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
@media (min-width:1024px){ .container-x{padding:0 32px} }
.section{padding:56px 0}
@media (min-width:768px){ .section{padding:84px 0} }
@media (min-width:1024px){ .section{padding:112px 0} }
.section-tight{padding:44px 0}
@media (min-width:1024px){ .section-tight{padding:72px 0} }
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--accent);text-transform:uppercase}
.eyebrow::before{content:'';width:18px;height:2px;background:var(--accent);display:inline-block}
.h1{font-size:clamp(2.2rem,5vw,3.9rem);line-height:1.15;letter-spacing:-.01em;font-weight:900}
.h2{font-size:clamp(1.6rem,3vw,2.5rem);line-height:1.25;font-weight:900}
.h3{font-size:1.2rem;font-weight:800;line-height:1.4}
.lead{color:var(--muted);font-size:17px;line-height:1.85;max-width:62ch}
.mini{font-size:14px;color:var(--muted);line-height:1.8}
.num{font-family:'Inter','Space Grotesk',system-ui,sans-serif;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;background:rgba(18,199,154,.12);color:var(--ink)}
.chip-line{border:1px solid var(--line);background:#fff;color:var(--muted)}
.badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--muted);padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:#fff}
.badge i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;min-height:48px;padding:0 22px;border-radius:999px;transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease}
.btn span.arrow{transition:transform .2s ease}
.btn:hover span.arrow{transform:translateX(3px)}
.btn-cta{background:var(--cta);color:#fff;box-shadow:0 10px 24px -14px rgba(255,95,69,.9)}
.btn-cta:hover{background:#e94f36}
.btn-ghost{border:1.5px solid var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:#F6F5F1}
.btn-sm{min-height:44px;font-size:14px;padding:0 18px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--ink);border-bottom:2px solid var(--accent);padding-bottom:2px;transition:gap .2s ease}
.link-arrow:hover{gap:12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d9d6cd}
.num-block{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;background:rgba(18,199,154,.12);color:var(--ink);font-weight:800;font-family:'Inter',system-ui,sans-serif;font-size:14px}
.img-frame{border-radius:var(--r-img);overflow:hidden;position:relative;background:#e9e7e1}
.img-frame img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.card:hover .img-frame img{transform:scale(1.03)}
.reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .card:hover{transform:none}
}
/* 导航 */
.site-header{position:sticky;top:0;z-index:80;background:rgba(246,245,241,.96);border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.scrolled{box-shadow:0 12px 30px -24px rgba(11,46,42,.6)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:72px}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{width:24px;height:24px;background:var(--ink);border-radius:6px;position:relative;overflow:hidden}
.logo-mark::after{content:'';position:absolute;left:6px;top:-4px;width:9px;height:32px;background:var(--accent);transform:rotate(24deg)}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text strong{font-size:16px;font-weight:900;letter-spacing:-.01em}
.logo-text em{font-style:normal;font-size:11px;color:var(--weak);letter-spacing:.12em}
.nav-main{display:none;align-items:center;gap:6px;margin-left:8px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:44px;padding:0 12px;font-size:15px;font-weight:600;color:var(--muted);border-radius:10px}
.nav-link::after{content:'';position:absolute;left:12px;right:12px;bottom:9px;height:2px;background:var(--accent);transform:scaleX(.2);transform-origin:center;opacity:0;transition:.25s ease}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after,.nav-link.active::after{opacity:1;transform:scaleX(1)}
.nav-link.active{color:var(--ink)}
.nav-drop{position:relative}
.nav-drop summary{list-style:none;cursor:pointer}
.nav-drop summary::-webkit-details-marker{display:none}
.drop-panel{position:absolute;top:calc(100% + 10px);left:0;min-width:224px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh-2);padding:8px;display:flex;flex-direction:column;gap:2px}
.drop-panel a{padding:10px 12px;border-radius:10px;font-size:14px;font-weight:600;color:var(--muted)}
.drop-panel a:hover{background:var(--bg);color:var(--ink)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.outline-chip{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:14px;font-weight:700;color:var(--ink);transition:.2s}
.outline-chip:hover{border-color:var(--ink)}
.nav-cta{display:none}
.burger{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;align-items:center;border:1px solid var(--line);border-radius:12px;background:#fff}
.burger i{width:18px;height:2px;background:var(--ink);display:block;border-radius:2px}
.drawer{position:fixed;inset:0;background:var(--ink);color:#F6F5F1;z-index:90;transform:translateY(-102%);transition:transform .36s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;padding:24px 20px 28px;overflow-y:auto}
.drawer.open{transform:none}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{width:44px;height:44px;border:1px solid rgba(246,245,241,.28);border-radius:12px;color:#F6F5F1;font-size:20px;display:flex;align-items:center;justify-content:center}
.drawer a.d-link{display:block;font-size:20px;font-weight:800;padding:16px 0;border-bottom:1px solid rgba(246,245,241,.14)}
.drawer .d-sub{margin-top:22px;font-size:12px;letter-spacing:.14em;color:rgba(246,245,241,.55);text-transform:uppercase}
.drawer .d-small{display:block;font-size:15px;font-weight:600;padding:12px 0;color:rgba(246,245,241,.86)}
.drawer .d-cta{margin-top:auto;padding-top:24px}
@media (min-width:1024px){
  .nav-main{display:flex}
  .nav-cta{display:inline-flex}
  .burger{display:none}
}
/* 卖点列表 */
.feature-row{display:flex;gap:20px;align-items:flex-start;padding:26px 0;border-bottom:1px solid var(--line);transition:padding-left .25s ease}
.feature-row:hover{padding-left:6px}
.feature-row:hover .f-arrow{transform:translateX(4px);color:var(--cta)}
.f-arrow{transition:.25s ease;color:var(--weak);font-weight:700;margin-left:auto;align-self:center}
/* 时间线 */
.tl{position:relative;padding-left:34px}
.tl::before{content:'';position:absolute;left:7px;top:8px;bottom:8px;width:1px;background:var(--line)}
.tl-item{position:relative;padding-bottom:28px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:'';position:absolute;left:-34px;top:8px;width:15px;height:15px;border-radius:50%;background:var(--accent);border:3px solid var(--bg)}
/* FAQ */
.faq-item{border:1px solid var(--line);border-radius:14px;background:#fff;margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:#d6d3ca}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 20px;font-weight:700;font-size:16px;display:flex;align-items:center;gap:14px;position:relative;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:'';position:absolute;left:0;top:12px;bottom:12px;width:3px;background:var(--accent);border-radius:0 3px 3px 0;opacity:0;transition:opacity .2s ease}
.faq-item summary .sign{margin-left:auto;color:var(--weak);font-weight:700;transition:transform .25s ease,color .25s ease}
.faq-item[open] summary{color:var(--accent)}
.faq-item[open] summary::before{opacity:1}
.faq-item[open] summary .sign{transform:rotate(45deg);color:var(--accent)}
.faq-body{padding:0 20px 20px 20px;color:var(--muted);line-height:1.85}
/* 表格 */
.cmp-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);background:#fff;box-shadow:var(--sh-1)}
table.cmp{width:100%;min-width:560px;border-collapse:collapse}
table.cmp th,table.cmp td{padding:14px 18px;text-align:left;font-size:15px;border-bottom:1px solid var(--line)}
table.cmp thead th{background:var(--ink);color:#F6F5F1;font-weight:700;font-size:14px;border-bottom:0}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp td.ctr{text-align:center}
.yes{color:var(--accent);font-weight:800}
.no{color:var(--weak);font-weight:800}
/* 表单 */
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.field label{font-size:13px;font-weight:700;color:rgba(246,245,241,.8)}
.field input,.field textarea{height:48px;border-radius:var(--r-field);border:1px solid rgba(246,245,241,.22);background:rgba(246,245,241,.06);color:#F6F5F1;padding:0 14px;transition:.2s ease}
.field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:rgba(246,245,241,.42)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(18,199,154,.45);background:rgba(246,245,241,.1)}
.form-note{font-size:12px;color:rgba(246,245,241,.6)}
.form-ok{margin-top:12px;font-size:13px;font-weight:700;color:var(--accent);display:none}
.form-ok.show{display:block}
/* 页脚 */
.site-footer{background:var(--ink);color:#F6F5F1;padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:28px}
.foot-col{border-bottom:1px solid rgba(246,245,241,.14);padding-bottom:14px}
.foot-col summary{list-style:none;cursor:pointer;font-size:14px;font-weight:800;letter-spacing:.06em;color:#F6F5F1;display:flex;align-items:center;justify-content:space-between;padding:6px 0}
.foot-col summary::-webkit-details-marker{display:none}
.foot-col summary .fmark{color:var(--accent);transition:transform .25s ease}
.foot-col[open] summary .fmark{transform:rotate(45deg)}
.foot-links{padding-top:12px;display:flex;flex-direction:column;gap:10px}
.foot-links a{font-size:14px;color:rgba(246,245,241,.72)}
.foot-links a:hover{color:var(--accent)}
.foot-brand p{font-size:14px;color:rgba(246,245,241,.72);line-height:1.9;margin-top:12px;max-width:38ch}
.foot-legal{margin-top:34px;padding-top:20px;border-top:1px solid rgba(246,245,241,.14);display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:rgba(246,245,241,.6)}
.foot-legal a{color:rgba(246,245,241,.78);border-bottom:1px solid rgba(246,245,241,.3)}
.foot-legal a:hover{color:var(--accent)}
@media (min-width:768px){
  .footer-grid{grid-template-columns:4fr 2fr 3fr 3fr}
  .foot-col{border-bottom:0;padding-bottom:0}
  .foot-col summary{pointer-events:none}
  .foot-col summary .fmark{display:none}
}
/* 浮动 CTA */
.float-cta{position:fixed;z-index:70;left:0;right:0;bottom:0;display:flex;gap:10px;padding:12px 16px;background:rgba(246,245,241,.97);border-top:1px solid var(--line);transform:translateY(110%);transition:transform .3s ease;box-shadow:0 -10px 30px -22px rgba(11,46,42,.6)}
.float-cta.show{transform:none}
.float-cta .btn{flex:1}
.to-top{min-height:48px;padding:0 16px;border-radius:999px;border:1.5px solid var(--ink);font-weight:700;font-size:14px;color:var(--ink);background:#fff;white-space:nowrap}
@media (min-width:1024px){
  .float-cta{left:auto;right:28px;bottom:28px;padding:0;background:transparent;border:0;box-shadow:none;gap:0}
  .float-cta .btn{flex:0 0 auto;box-shadow:var(--sh-2)}
  .to-top{display:none}
}
.hero-panel{background:rgba(11,46,42,.92);color:#F6F5F1;border-radius:16px;padding:20px}
.hero-panel .row{display:flex;gap:10px;font-size:13.5px;line-height:1.7;color:rgba(246,245,241,.86)}
.hero-panel .row i{width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:8px;flex:0 0 auto;display:block}
.stat-n{font-size:clamp(2.2rem,4.4vw,3.2rem);font-weight:800;color:var(--accent);line-height:1}
.stat-n.alt{color:var(--cta)}
.entry-float{position:absolute;right:-14px;bottom:22px;width:62px;height:62px;border-radius:50%;background:var(--cta);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-family:'Inter',system-ui,sans-serif;font-size:18px;box-shadow:var(--sh-2)}
.news-card{display:flex;flex-direction:column;height:100%;overflow:hidden}
.news-card .img-frame{border-radius:0;aspect-ratio:4/3}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.empty-box{margin-top:26px;min-height:200px;border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:28px;color:var(--muted)}
.empty-box .dot{width:44px;height:44px;border-radius:50%;background:rgba(18,199,154,.12);display:flex;align-items:center;justify-content:center;color:var(--ink);font-weight:800}
.ev-card-2{margin-top:0}
@media (min-width:768px){ .ev-card-2{margin-top:36px} }

/* roulang page: article */
:root{
    --primary:#0B2E2A;
    --primary-soft:#12403A;
    --accent:#12C79A;
    --accent-12:rgba(18,199,154,.12);
    --cta:#FF5F45;
    --cta-dark:#E8482F;
    --bg:#F6F5F1;
    --card:#FFFFFF;
    --text:#10201C;
    --text-2:#5A6B66;
    --text-3:#93A19C;
    --line:#E3E1DA;
    --r-card:18px;
    --r-img:16px;
    --r-field:12px;
    --sh-1:0 1px 2px rgba(11,46,42,.05);
    --sh-2:0 18px 40px -18px rgba(11,46,42,.28);
    --container:1200px;
    --sec-y:104px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;background:var(--bg);color:var(--text);
    font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16.5px;line-height:1.85;text-align:left;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;height:auto}
  a{color:inherit;text-decoration:none;transition:color .2s ease}
  button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
  h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em;font-weight:800}
  p{margin:0}
  ul,ol{margin:0;padding:0}
  .num{font-family:Inter,"Space Grotesk",system-ui,sans-serif;font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

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

  /* ---------- 顶部导航 ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:rgba(246,245,241,.97);border-bottom:1px solid var(--line);transition:box-shadow .3s ease}
  .site-header.is-scrolled{box-shadow:0 12px 32px -20px rgba(11,46,42,.4)}
  .header-inner{display:flex;align-items:center;gap:20px;min-height:74px}
  .logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
  .logo-mark{width:26px;height:26px;border-radius:6px;background:var(--primary);position:relative;overflow:hidden;display:inline-block;flex:0 0 auto}
  .logo-mark::after{content:"";position:absolute;inset:0;background:var(--accent);clip-path:polygon(100% 8%,100% 100%,8% 100%)}
  .logo-text strong{display:block;font-size:16px;font-weight:800;line-height:1.2;color:var(--primary)}
  .logo-text em{display:block;font-size:11.5px;font-style:normal;color:var(--text-3);letter-spacing:.03em}
  .nav-main{display:flex;align-items:center;gap:4px;margin-left:auto}
  .nav-link{position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;font-size:15px;font-weight:500;color:var(--text-2);border-radius:10px}
  .nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:center;transition:transform .25s ease}
  .nav-link:hover{color:var(--primary)}
  .nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
  .nav-link.active{color:var(--primary);font-weight:700}
  details.nav-drop{position:relative}
  details summary{list-style:none;cursor:pointer}
  details summary::-webkit-details-marker{display:none}
  .drop-panel{position:absolute;top:calc(100% + 8px);left:0;z-index:70;min-width:200px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh-2);padding:8px;display:flex;flex-direction:column}
  .drop-panel a{padding:10px 14px;border-radius:10px;font-size:15px;color:var(--text-2)}
  .drop-panel a:hover{background:var(--accent-12);color:var(--primary)}
  .nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .outline-chip{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 18px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:15px;font-weight:600;color:var(--primary);transition:border-color .2s,box-shadow .2s}
  .outline-chip:hover{border-color:var(--primary);box-shadow:var(--sh-1)}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:700;transition:background-color .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease;white-space:nowrap}
  .btn .arrow{transition:transform .22s ease}
  .btn:hover .arrow{transform:translateX(3px)}
  .btn-cta{background:var(--cta);color:#F6F5F1;padding:0 24px;height:46px;box-shadow:0 12px 26px -14px rgba(255,95,69,.8)}
  .btn-cta:hover{background:var(--cta-dark)}
  .btn-outline{border:1.5px solid var(--primary);color:var(--primary);padding:0 22px;height:46px;border-radius:12px}
  .btn-outline:hover{background:var(--primary);color:#F6F5F1}
  .btn-sm{height:44px;padding:0 20px;font-size:15px}
  .burger{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px;border-radius:12px;border:1px solid var(--line);background:#fff}
  .burger i{display:block;width:18px;height:2px;background:var(--primary);border-radius:2px}
  .drawer{position:fixed;inset:0;z-index:90;background:var(--primary);color:#F6F5F1;display:none;flex-direction:column;padding:22px 20px 96px;overflow-y:auto}
  .drawer.open{display:flex}
  .drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
  .drawer-close{width:44px;height:44px;border:1px solid rgba(246,245,241,.3);border-radius:12px;color:#F6F5F1;font-size:20px}
  .drawer a.drawer-link{display:block;font-size:20px;font-weight:700;padding:16px 0;border-bottom:1px solid rgba(246,245,241,.14)}
  .drawer a.drawer-link:hover{color:var(--accent)}
  .drawer-cta{position:fixed;left:20px;right:20px;bottom:20px;display:flex;gap:10px}
  @media(max-width:1023px){
    .nav-main{display:none}
    .nav-actions .outline-chip,.nav-actions .nav-cta,.nav-actions details{display:none}
    .burger{display:flex}
  }

  /* ---------- 面包屑 ---------- */
  .breadcrumb{font-size:13px;color:var(--text-3);padding:24px 0 0;display:flex;flex-wrap:wrap;align-items:center;gap:6px}
  .breadcrumb a:hover{color:var(--accent)}
  .breadcrumb .sep{color:#CFCCC3}
  .breadcrumb .current{color:var(--primary);font-weight:600}

  /* ---------- 文章头 ---------- */
  .article-head{padding:22px 0 26px;border-bottom:1px solid var(--line)}
  .head-grid{display:flex;justify-content:space-between;align-items:flex-start;gap:28px}
  .pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;background:var(--accent-12);color:var(--primary)}
  .article-title{font-size:clamp(1.9rem,3.8vw,3rem);line-height:1.22;margin:16px 0 18px;max-width:900px}
  .article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--text-3)}
  .article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);display:inline-block}
  .back-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);border-bottom:1px solid var(--accent);padding-bottom:2px;flex:0 0 auto}
  .back-link:hover{color:var(--accent)}
  @media(max-width:767px){.head-grid{flex-direction:column;gap:16px}}

  /* ---------- 正文阅读区 ---------- */
  .article-body{max-width:760px;margin:0 auto;padding:46px 0 8px;font-size:17px;color:var(--text)}
  .article-body p{line-height:1.9;margin:0 0 1.4em;color:#1B2C27}
  .article-body h2{font-size:clamp(1.4rem,2.6vw,1.9rem);position:relative;padding-top:20px;margin:48px 0 16px}
  .article-body h2::before{content:"";position:absolute;top:0;left:0;width:24px;height:3px;border-radius:2px;background:var(--accent)}
  .article-body h3{font-size:1.22rem;margin:32px 0 12px;font-weight:800}
  .article-body h4{font-size:1.05rem;margin:24px 0 10px;color:var(--primary)}
  .article-body ul,.article-body ol{margin:0 0 1.4em;padding:0}
  .article-body ul li{list-style:none;position:relative;padding-left:24px;margin-bottom:10px;line-height:1.85}
  .article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--accent)}
  .article-body ol{counter-reset:li;list-style:none}
  .article-body ol li{position:relative;padding-left:34px;margin-bottom:12px;counter-increment:li;line-height:1.85}
  .article-body ol li::before{content:counter(li,decimal-leading-zero);position:absolute;left:0;top:.18em;font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums}
  .article-body blockquote{margin:28px 0;padding:20px 22px;border-left:3px solid var(--accent);background:#fff;border-radius:0 12px 12px 0;color:var(--text-2);font-size:16.5px}
  .article-body blockquote p:last-child{margin-bottom:0}
  .article-body img{border-radius:var(--r-img);margin:28px auto;box-shadow:var(--sh-1)}
  .article-body figure{margin:28px 0}
  .article-body figcaption{font-size:12px;color:var(--text-3);text-align:center;margin-top:10px}
  .article-body a{color:var(--primary);border-bottom:1px solid var(--accent);font-weight:600}
  .article-body a:hover{color:var(--accent)}
  .article-body table{width:100%;border:1px solid var(--line);border-collapse:separate;border-spacing:0;border-radius:12px;overflow:hidden;margin:28px 0;font-size:15px}
  .article-body th{background:var(--primary);color:#F6F5F1;text-align:left;padding:12px 14px;font-weight:700}
  .article-body td{padding:12px 14px;border-top:1px solid var(--line);background:#fff;color:var(--text-2)}
  .article-body code{background:#fff;border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.9em;color:var(--primary-soft)}
  .article-body pre{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;overflow-x:auto;margin:26px 0}
  .article-body pre code{border:0;background:none;padding:0}
  .article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0}
  @media(max-width:520px){.article-body{font-size:16px}}

  /* ---------- 标签与操作 ---------- */
  .narrow{max-width:760px;margin:0 auto}
  .article-foot{padding:26px 0 0}
  .tags-row{display:flex;flex-wrap:wrap;gap:10px;padding:26px 0}
  .tag{display:inline-flex;align-items:center;font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;background:var(--accent-12);color:var(--primary)}
  .article-actions{display:flex;justify-content:space-between;align-items:center;gap:16px;border-top:1px solid var(--line);padding:20px 0 0}
  .text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--primary);max-width:48%}
  .text-link span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .text-link:hover{color:var(--accent)}

  /* ---------- 通用板块 ---------- */
  .section{padding:var(--sec-y) 0}
  @media(max-width:1023px){.section{padding:64px 0}}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
  .sec-title{font-size:clamp(1.5rem,2.8vw,2.3rem)}
  .sec-desc{font-size:15.5px;color:var(--text-2);margin-top:10px;max-width:640px}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.12em;color:var(--accent);text-transform:uppercase}

  /* ---------- FAQ ---------- */
  .faq-list{display:flex;flex-direction:column;gap:12px;max-width:840px}
  .faq-item{border:1px solid var(--line);border-radius:14px;background:#fff;transition:box-shadow .25s ease,border-color .25s ease}
  .faq-item[open]{border-color:#CFE9E1;box-shadow:var(--sh-1)}
  .faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:16.5px;font-weight:700;color:var(--primary);position:relative}
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:2px;background:var(--accent);opacity:0;transition:opacity .2s}
  .faq-item[open] summary::before{opacity:1}
  .faq-item[open] summary{color:var(--accent)}
  .faq-item summary .sign{flex:0 0 auto;font-size:20px;font-weight:400;color:var(--text-3);transition:transform .25s}
  .faq-item[open] summary .sign{transform:rotate(45deg);color:var(--accent)}
  .faq-item .faq-body{padding:0 22px 20px;color:var(--text-2);font-size:16px;line-height:1.8;border-top:1px solid var(--line);margin-top:2px;padding-top:16px}

  /* ---------- 相关推荐卡片 ---------- */
  .card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform .28s ease,box-shadow .28s ease}
  .card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
  .news-card{display:flex;flex-direction:column;overflow:hidden;height:100%}
  .news-thumb{aspect-ratio:4/3;overflow:hidden}
  .news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
  .news-card:hover .news-thumb img{transform:scale(1.03)}
  .news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
  .news-title{font-size:17px;font-weight:800;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .news-sum{font-size:14.5px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
  .news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);border-top:1px solid var(--line);padding-top:14px}

  /* ---------- 底部 CTA ---------- */
  .cta-band{background:var(--primary);color:#F6F5F1;border-radius:22px;padding:56px 48px;display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center}
  .cta-band h2{font-size:clamp(1.5rem,2.6vw,2.2rem);color:#F6F5F1}
  .cta-band p{color:rgba(246,245,241,.72);font-size:15.5px;margin-top:14px;max-width:520px}
  .cta-side{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
  .cta-side .btn-outline-light{border:1.5px solid rgba(246,245,241,.45);color:#F6F5F1;height:46px;padding:0 22px;border-radius:12px}
  .cta-side .btn-outline-light:hover{background:rgba(246,245,241,.12)}
  @media(max-width:900px){.cta-band{grid-template-columns:1fr;padding:40px 26px;border-radius:18px}}

  /* ---------- 空态 ---------- */
  .empty-state{min-height:200px;border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:36px 20px;text-align:center;color:var(--text-2)}
  .empty-icon{width:40px;height:40px;border-radius:12px;background:var(--accent-12);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:20px}

  /* ---------- 浮动 CTA ---------- */
  .float-cta{position:fixed;right:28px;bottom:28px;z-index:70;display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 24px;border-radius:999px;background:var(--primary);color:#F6F5F1;font-weight:700;box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .3s ease,transform .3s ease,background-color .25s ease,visibility .3s}
  .float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
  .float-cta:hover{background:var(--cta)}
  .mobile-bar{display:none}
  @media(max-width:767px){
    .float-cta{display:none}
    .mobile-bar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;gap:10px;padding:10px 14px;background:rgba(246,245,241,.97);border-top:1px solid var(--line);transform:translateY(100%);transition:transform .3s ease}
    .mobile-bar.show{transform:translateY(0)}
    .mobile-bar .btn-cta{flex:1}
    .mobile-bar .top-btn{width:48px;height:46px;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:16px}
  }

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--primary);color:#F6F5F1;padding:72px 0 26px;margin-top:0}
  .footer-grid{display:grid;grid-template-columns:4fr 2fr 3fr 3fr;gap:40px}
  .foot-brand p{font-size:14.5px;color:rgba(246,245,241,.66);margin-top:18px;line-height:1.85;max-width:340px}
  .foot-col summary{list-style:none;cursor:pointer;font-size:15px;font-weight:800;color:#F6F5F1;display:flex;align-items:center;justify-content:space-between;padding-bottom:14px}
  .foot-col summary::-webkit-details-marker{display:none}
  .foot-col .fmark{color:var(--accent);font-weight:400}
  .foot-links{display:flex;flex-direction:column;gap:11px}
  .foot-links a{font-size:14.5px;color:rgba(246,245,241,.72)}
  .foot-links a:hover{color:var(--accent)}
  .foot-legal{margin-top:52px;padding-top:22px;border-top:1px solid rgba(246,245,241,.16);display:flex;flex-wrap:wrap;gap:14px 28px;font-size:13px;color:rgba(246,245,241,.6)}
  .foot-legal a{color:rgba(246,245,241,.75);border-bottom:1px solid rgba(246,245,241,.3)}
  .foot-legal a:hover{color:var(--accent)}
  @media(max-width:1023px){
    .footer-grid{grid-template-columns:1fr;gap:0}
    .foot-col{border-top:1px solid rgba(246,245,241,.16);padding-top:16px;margin-top:16px}
    .foot-col summary{padding-bottom:0}
    .foot-col .foot-links{padding-top:14px}
  }

  /* ---------- 动效 ---------- */
  [data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
  [data-reveal].is-visible{opacity:1;transform:none}
  @media(prefers-reduced-motion:reduce){
    *{animation:none!important;transition:none!important}
    [data-reveal]{opacity:1;transform:none}
    html{scroll-behavior:auto}
  }

/* roulang page: category1 */
:root{
  --primary:#0B2E2A;
  --accent:#12C79A;
  --cta:#FF5F45;
  --bg:#F6F5F1;
  --card:#FFFFFF;
  --text:#10201C;
  --text-2:#5A6B66;
  --text-3:#93A19C;
  --border:#E3E1DA;
  --radius-card:18px;
  --radius-img:16px;
  --radius-input:12px;
  --shadow-1:0 1px 2px rgba(11,46,42,.05);
  --shadow-2:0 18px 40px -18px rgba(11,46,42,.28);
  --font-cn:"Noto Sans SC","PingFang SC","HarmonyOS Sans","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Space Grotesk",-apple-system,BlinkMacSystemFont,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-cn);font-size:16.5px;line-height:1.85;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .22s,background-color .22s,border-color .22s,opacity .22s}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
time{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
section[id]{scroll-margin-top:120px}

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

/* ---------- 页头与导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,245,241,.94);border-bottom:1px solid var(--border);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 12px 30px -24px rgba(11,46,42,.6)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:72px;padding:10px 0}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{position:relative;width:26px;height:26px;border-radius:7px;background:var(--primary);overflow:hidden;flex:0 0 auto}
.logo-mark::before{content:"";position:absolute;left:-3px;top:9px;width:32px;height:8px;background:var(--accent);transform:rotate(-30deg)}
.logo-text strong{display:block;font-size:15.5px;font-weight:800;color:var(--primary);line-height:1.3;letter-spacing:.01em}
.logo-text em{display:block;font-style:normal;font-size:11.5px;color:var(--text-3);line-height:1.5;letter-spacing:.02em}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;padding:9px 12px;font-size:14.5px;font-weight:500;color:var(--text-2);border-radius:10px;white-space:nowrap;cursor:pointer}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:center;transition:transform .26s ease}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary);font-weight:700}
.nav-drop{position:relative}
.nav-drop summary{list-style:none}
.nav-drop summary::-webkit-details-marker{display:none}
.drop-panel{position:absolute;top:calc(100% + 10px);left:0;min-width:200px;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-2);padding:8px;display:grid;gap:2px;z-index:70}
.drop-panel a{padding:9px 12px;border-radius:10px;font-size:14px;color:var(--text-2)}
.drop-panel a:hover{background:rgba(18,199,154,.1);color:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.outline-chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);background:#fff;border-radius:999px;padding:0 16px;min-height:42px;font-size:14px;font-weight:600;color:var(--primary);cursor:pointer;transition:.22s;list-style:none}
.outline-chip::-webkit-details-marker{display:none}
.outline-chip:hover{border-color:var(--accent);box-shadow:0 8px 20px -16px rgba(11,46,42,.55)}
.burger{display:none;width:44px;height:44px;border:1px solid var(--border);background:#fff;border-radius:12px;align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer}
.burger i{display:block;width:18px;height:2px;background:var(--primary);border-radius:2px;transition:.24s}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:700;font-size:15px;padding:13px 26px;border:1px solid transparent;cursor:pointer;line-height:1;transition:.24s ease}
.btn-cta{background:var(--cta);color:#F6F5F1;box-shadow:0 12px 24px -16px rgba(255,95,69,.95)}
.btn-cta:hover{background:#EE4B31;transform:translateY(-1px)}
.btn-cta .arrow{transition:transform .24s ease}
.btn-cta:hover .arrow{transform:translateX(3px)}
.btn-outline{border:1.5px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:#F6F5F1}
.btn-sm{font-size:14px;min-height:44px;padding:0 22px}
.btn-ghost{border:1px solid rgba(246,245,241,.34);color:#F6F5F1;background:transparent}
.btn-ghost:hover{background:rgba(246,245,241,.12)}
.nav-cta{min-height:44px;padding:0 22px;font-size:14px}

/* ---------- 移动端抽屉 ---------- */
.mobile-drawer{position:fixed;inset:0;z-index:90;background:var(--primary);color:#F6F5F1;padding:22px 24px 110px;transform:translateY(-102%);transition:transform .38s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;overflow-y:auto}
.mobile-drawer.open{transform:translateY(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid rgba(246,245,241,.14)}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid rgba(246,245,241,.28);background:transparent;color:#F6F5F1;font-size:20px;cursor:pointer;display:grid;place-items:center}
.drawer-link{font-size:20px;font-weight:700;padding:16px 0;border-bottom:1px solid rgba(246,245,241,.12);display:flex;align-items:center;justify-content:space-between}
.drawer-link span{color:rgba(246,245,241,.55);font-size:14px}
.drawer-anchors{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.drawer-anchors a{font-size:14px;border:1px solid rgba(246,245,241,.28);border-radius:999px;padding:8px 15px;color:rgba(246,245,241,.85)}
.drawer-foot{margin-top:auto;padding-top:26px}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:7px;font-size:13px;color:var(--text-3);margin-bottom:12px}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{color:var(--border)}
.crumbs .cur{color:var(--primary);font-weight:600}

/* ---------- Hero ---------- */
.page-hero{padding:34px 0 66px}
.hero-grid{display:grid;gap:42px;align-items:center}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:54px}}
.badge-pill{display:inline-flex;align-items:center;gap:7px;background:rgba(18,199,154,.12);color:var(--primary);border-radius:999px;padding:5px 13px;font-size:12px;font-weight:700;letter-spacing:.03em}
.badge-pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.page-hero h1{font-size:clamp(2rem,4.3vw,3.2rem);line-height:1.18;letter-spacing:-.015em;font-weight:900;color:var(--primary);margin:16px 0 18px}
.page-hero h1 em{font-style:normal;background-image:linear-gradient(transparent 66%, rgba(18,199,154,.36) 66%)}
.hero-sub{font-size:16.5px;color:var(--text-2);line-height:1.85;max-width:580px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 24px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px 24px;padding-top:20px;border-top:1px solid var(--border)}
.trust-row span{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-2)}
.trust-row span::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--accent);display:block;flex:0 0 auto}
.hero-figure{position:relative;border-radius:var(--radius-img);overflow:hidden;box-shadow:var(--shadow-2);border:1px solid var(--border)}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-note{position:absolute;left:16px;right:16px;bottom:16px;background:rgba(11,46,42,.9);color:#F6F5F1;border-radius:14px;padding:15px 18px;border-left:3px solid var(--accent)}
.hero-note strong{display:block;font-size:14.5px;font-weight:700}
.hero-note span{display:block;font-size:13px;color:rgba(246,245,241,.74);line-height:1.7;margin-top:4px}
.hero-note a{display:inline-flex;align-items:center;gap:5px;margin-top:9px;font-size:13px;font-weight:700;color:var(--accent)}
.hero-note a:hover{color:#fff}

/* ---------- 锚点条 ---------- */
.anchor-bar{position:sticky;top:72px;z-index:40;background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.anchor-inner{display:flex;gap:8px;overflow-x:auto;padding:12px 20px;scrollbar-width:none;-ms-overflow-style:none}
.anchor-inner::-webkit-scrollbar{display:none}
@media(min-width:1024px){.anchor-inner{padding:12px 32px;max-width:1200px;margin:0 auto}}
.anchor-inner a{flex:0 0 auto;display:inline-flex;align-items:center;min-height:40px;font-size:14px;font-weight:600;color:var(--text-2);border:1px solid var(--border);border-radius:999px;padding:0 16px;transition:.22s}
.anchor-inner a:hover{border-color:var(--accent);color:var(--primary);background:rgba(18,199,154,.09)}

/* ---------- 区块通用 ---------- */
.section{padding:60px 0}
@media(min-width:1024px){.section{padding:110px 0}}
.section-white{background:#fff}
.section-paper{background:var(--bg)}
.sec-head{max-width:740px;margin-bottom:38px}
.sec-kicker{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--accent);font-family:var(--font-num)}
.sec-kicker::before{content:"";width:20px;height:2px;background:var(--accent);display:block}
.sec-head h2{font-size:clamp(1.55rem,2.9vw,2.35rem);color:var(--primary);margin:14px 0 14px}
.sec-head p{color:var(--text-2);font-size:16px}

/* ---------- 条目矩阵 ---------- */
.matrix{display:grid;gap:20px}
@media(min-width:768px){.matrix{grid-template-columns:1fr 1fr;gap:24px 28px}}
.mcard{position:relative;display:flex;flex-direction:column;gap:12px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);padding:26px 26px 22px;box-shadow:var(--shadow-1);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease}
@media(min-width:768px){.matrix .mcard:nth-child(even){margin-top:26px}}
.mcard .num{width:38px;height:38px;border-radius:11px;background:var(--primary);color:#F6F5F1;font-family:var(--font-num);font-weight:700;font-size:15px;display:grid;place-items:center;font-variant-numeric:tabular-nums}
.mcard h3{font-size:1.17rem;color:var(--primary)}
.mcard p{color:var(--text-2);font-size:15px;line-height:1.8}
.mcard .go{margin-top:auto;padding-top:12px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--primary)}
.mcard .go .arrow{transition:transform .24s ease}
.mcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(18,199,154,.5)}
.mcard:hover .go .arrow{transform:translateX(4px)}
.mcard:hover .go{color:var(--cta)}

/* ---------- 设备与版本 ---------- */
.device-grid{display:grid;gap:34px;align-items:center}
@media(min-width:1024px){.device-grid{grid-template-columns:5fr 7fr;gap:56px}}
.device-figure{border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-1)}
.device-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.device-list{border-top:1px solid var(--border)}
.device-list li{display:grid;grid-template-columns:auto 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--border)}
.dot-num{font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--accent);border:1px solid rgba(18,199,154,.42);border-radius:8px;padding:3px 9px;height:fit-content;font-variant-numeric:tabular-nums;line-height:1.6}
.device-list h3{font-size:1.08rem;color:var(--primary);margin-bottom:5px}
.device-list p{font-size:15px;color:var(--text-2);line-height:1.8}

/* ---------- 证据区 ---------- */
.evidence-grid{display:grid;gap:34px}
@media(min-width:1024px){.evidence-grid{grid-template-columns:4fr 8fr;gap:56px}}
.stat-block{display:grid;gap:26px}
.stat b{display:block;font-family:var(--font-num);font-size:clamp(2.2rem,4vw,3.1rem);font-weight:700;line-height:1.05;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat.coral b{color:var(--cta)}
.stat span{display:block;font-size:14.5px;color:var(--text-2);margin-top:6px}
.quote-wrap{display:grid;gap:22px}
@media(min-width:768px){.quote-wrap{grid-template-columns:1.5fr 1fr;align-items:start}}
.quote-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-1);transition:transform .28s ease,box-shadow .28s ease}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
@media(min-width:768px){.quote-card.offset{margin-top:38px}}
.quote-card p{font-size:15.5px;color:var(--text-2);line-height:1.85}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--border)}
.avatar{width:42px;height:42px;border-radius:50%;background:rgba(18,199,154,.16);color:var(--primary);display:grid;place-items:center;font-weight:700;font-size:15px;flex:0 0 auto}
.quote-user strong{display:block;font-size:14.5px;color:var(--primary)}
.quote-user em{display:block;font-style:normal;font-size:12.5px;color:var(--text-3)}

/* ---------- 服务支持清单 ---------- */
.support-list{border-top:1px solid var(--border)}
.support-list li{display:grid;gap:6px;padding:20px 0;border-bottom:1px solid var(--border)}
@media(min-width:768px){.support-list li{grid-template-columns:200px 1fr;gap:24px;align-items:baseline}}
.support-list strong{font-size:15.5px;color:var(--primary);font-weight:700}
.support-list span{font-size:15px;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;gap:32px}
@media(min-width:1024px){.faq-grid{grid-template-columns:5fr 7fr;gap:56px}}
.faq-side{position:sticky;top:150px;align-self:start}
.faq-side h2{font-size:clamp(1.55rem,2.9vw,2.2rem);color:var(--primary);margin:14px 0 14px}
.faq-side p{color:var(--text-2);font-size:15.5px}
.faq-side .btn{margin-top:24px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:14px;margin-bottom:12px;overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 22px;font-size:15.5px;font-weight:700;color:var(--primary);min-height:44px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-family:var(--font-num);font-size:20px;line-height:1;color:var(--accent);transition:transform .24s ease}
.faq-item[open]{border-color:rgba(18,199,154,.45);box-shadow:0 16px 32px -26px rgba(11,46,42,.6)}
.faq-item[open] summary{color:var(--accent)}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .ans{margin:0 22px 20px;padding-left:16px;border-left:3px solid var(--accent);color:var(--text-2);font-size:15px;line-height:1.85}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--primary);color:#F6F5F1;padding:64px 0}
@media(min-width:1024px){.cta-band{padding:104px 0}}
.cta-grid{display:grid;gap:34px}
@media(min-width:1024px){.cta-grid{grid-template-columns:7fr 5fr;gap:56px;align-items:center}}
.cta-band h2{font-size:clamp(1.6rem,3vw,2.4rem);color:#F6F5F1;line-height:1.28}
.cta-band h2 em{font-style:normal;color:var(--accent)}
.cta-band p{margin-top:16px;color:rgba(246,245,241,.74);font-size:16px;line-height:1.85;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-side{border:1px solid rgba(246,245,241,.18);border-radius:var(--radius-card);padding:26px;background:rgba(246,245,241,.04)}
.cta-side strong{display:block;font-size:15px;color:var(--accent);font-family:var(--font-num);letter-spacing:.04em;margin-bottom:14px}
.cta-side ul{display:grid;gap:12px}
.cta-side li{display:flex;gap:10px;font-size:14.5px;color:rgba(246,245,241,.8);line-height:1.75}
.cta-side li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--accent);margin-top:9px;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--primary);color:#F6F5F1;padding:68px 0 26px}
.footer-grid{display:grid;gap:34px}
@media(min-width:768px){.footer-grid{grid-template-columns:4fr 2fr 3fr 3fr;gap:32px}}
.foot-brand p{color:rgba(246,245,241,.72);font-size:14.5px;line-height:1.85;margin-top:16px;max-width:330px}
.foot-col summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;font-size:15px;font-weight:700}
.foot-col summary::-webkit-details-marker{display:none}
.fmark{display:none}
.foot-links{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.foot-links a{color:rgba(246,245,241,.72);font-size:14px}
.foot-links a:hover{color:var(--accent)}
.foot-links span{font-size:14px;color:rgba(246,245,241,.72)}
@media(max-width:767px){
  .foot-col summary{padding:14px 0;border-bottom:1px solid rgba(246,245,241,.14)}
  .fmark{display:inline-block;color:var(--accent);font-family:var(--font-num);transition:transform .24s ease}
  .foot-col[open] .fmark{transform:rotate(45deg)}
}
.foot-legal{margin-top:44px;padding-top:22px;border-top:1px solid rgba(246,245,241,.14);display:flex;flex-wrap:wrap;gap:12px 26px;font-size:13px;color:rgba(246,245,241,.6)}
.foot-legal a{color:rgba(246,245,241,.78)}
.foot-legal a:hover{color:var(--accent)}

/* ---------- 浮动 CTA ---------- */
.float-cta{position:fixed;right:26px;bottom:26px;z-index:80;display:flex;gap:10px;align-items:center;opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .3s ease,transform .3s ease,visibility .3s}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta .btn-float{display:inline-flex;align-items:center;gap:8px;background:var(--primary);color:#F6F5F1;border-radius:999px;padding:15px 24px;font-size:14.5px;font-weight:700;box-shadow:var(--shadow-2);transition:.24s ease;border:none;cursor:pointer}
.float-cta .btn-float:hover{background:var(--cta)}
.float-cta .btn-top{display:none;background:transparent;border:1px solid rgba(246,245,241,.35);color:#F6F5F1;border-radius:999px;padding:13px 18px;font-size:14px;font-weight:600;cursor:pointer}
@media(max-width:767px){
  .float-cta{right:0;left:0;bottom:0;padding:10px 14px;background:var(--primary);gap:10px;justify-content:space-between;align-items:center}
  .float-cta .btn-float{flex:1;justify-content:center;box-shadow:none;background:var(--cta);padding:13px 16px}
  .float-cta .btn-top{display:inline-flex;flex:0 0 auto}
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
.reveal.in{opacity:1;transform:translateY(0)}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* ---------- 响应式导航 ---------- */
@media(max-width:1023px){
  .nav-main{display:none}
  .nav-actions .nav-drop{display:none}
  .burger{display:flex}
  .nav-cta{display:none}
  .anchor-bar{top:72px}
}
@media(max-width:767px){
  body{font-size:16px}
  .logo-text em{display:none}
  .page-hero{padding:24px 0 52px}
  .section{padding:52px 0}
  .mcard{padding:22px 20px 20px}
}

/* roulang page: category2 */
:root{
  --primary:#0B2E2A;
  --accent:#12C79A;
  --cta:#FF5F45;
  --bg:#F6F5F1;
  --card:#FFFFFF;
  --ink:#10201C;
  --sub:#5A6B66;
  --weak:#93A19C;
  --line:#E3E1DA;
  --radius-card:18px;
  --radius-img:16px;
  --radius-input:12px;
  --shadow-soft:0 1px 2px rgba(11,46,42,.05);
  --shadow-hover:0 18px 40px -18px rgba(11,46,42,.28);
  --space-block:104px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Noto Sans SC','PingFang SC','HarmonyOS Sans','Source Han Sans SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 26px;
  border-radius:999px;
  font-weight:700;
  font-size:15px;
  letter-spacing:.01em;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background-color .25s ease,color .25s ease,border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.btn .arrow{transition:transform .25s ease}
.btn:hover .arrow{transform:translateX(3px)}
.btn-cta{background:var(--cta);color:#fff;box-shadow:0 10px 24px -14px rgba(255,95,69,.9)}
.btn-cta:hover{background:#EE4C33}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#F6F5F1}
.btn-dark{background:var(--primary);color:#F6F5F1}
.btn-dark:hover{background:#0F3D37}
.btn-sm{min-height:44px;padding:0 22px;font-size:14px}
.btn-lg{min-height:52px;padding:0 32px;font-size:16px}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  line-height:1.6;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(18,199,154,.12);
  color:var(--primary);
  font-weight:600;
  white-space:nowrap;
}
.badge-mini{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--primary);
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 14px;
}
.badge-mini::before{
  content:"";
  width:8px;height:8px;
  background:var(--accent);
  transform:skewX(-18deg);
  display:inline-block;
}
.sec-title{
  font-size:clamp(1.6rem,3vw,2.5rem);
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.01em;
  color:var(--primary);
}
.sec-lead{color:var(--sub);font-size:16.5px;line-height:1.85}
.eyebrow{
  font-family:'Inter','Space Grotesk',sans-serif;
  font-size:12px;
  letter-spacing:.18em;
  font-weight:700;
  color:var(--accent);
  text-transform:uppercase;
}
.num{
  font-family:'Inter','Space Grotesk',ui-sans-serif,sans-serif;
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum";
}
.divider-line{height:1px;background:var(--line);border:0}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(246,245,241,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease;
}
.site-header.scrolled{box-shadow:0 10px 30px -22px rgba(11,46,42,.5)}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:72px;
}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{
  width:24px;height:24px;
  background:var(--primary);
  border-radius:6px;
  position:relative;
  flex-shrink:0;
}
.logo-mark::after{
  content:"";
  position:absolute;
  right:-4px;bottom:-3px;
  width:14px;height:14px;
  background:var(--accent);
  transform:skewX(-18deg);
  border-radius:2px;
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text strong{font-size:16px;font-weight:800;color:var(--primary);letter-spacing:-.01em}
.logo-text em{font-style:normal;font-size:11.5px;color:var(--weak);letter-spacing:.02em}

.nav-main{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 14px;
  font-size:15px;
  font-weight:600;
  color:var(--sub);
  cursor:pointer;
  transition:color .22s ease;
  list-style:none;
}
.nav-link::-webkit-details-marker{display:none}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;
  bottom:8px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary);font-weight:800}
.nav-link.active::after{transform:scaleX(1)}

.nav-drop{position:relative}
.nav-drop>summary{cursor:pointer}
.drop-panel{
  position:absolute;
  top:calc(100% + 8px);
  left:0;
  min-width:210px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--shadow-hover);
  padding:10px;
  display:flex;
  flex-direction:column;
  gap:2px;
  z-index:90;
}
.drop-panel a{
  display:block;
  padding:10px 12px;
  border-radius:10px;
  font-size:14px;
  font-weight:600;
  color:var(--sub);
  transition:background-color .2s ease,color .2s ease;
}
.drop-panel a:hover{background:rgba(18,199,154,.1);color:var(--primary)}

.nav-actions{display:flex;align-items:center;gap:12px}
.outline-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:0 18px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  font-size:14px;
  font-weight:700;
  color:var(--primary);
  cursor:pointer;
  list-style:none;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.outline-chip::-webkit-details-marker{display:none}
.outline-chip:hover{border-color:var(--accent);box-shadow:0 8px 20px -14px rgba(11,46,42,.6)}
.nav-cta{white-space:nowrap}

.burger{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  cursor:pointer;
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.burger i{display:block;width:18px;height:2px;background:var(--primary);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.burger[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] i:nth-child(2){opacity:0}
.burger[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  background:var(--primary);
  z-index:120;
  display:none;
  flex-direction:column;
  padding:24px 24px 28px;
  overflow-y:auto;
}
.mobile-drawer.open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(246,245,241,.28);
  background:transparent;color:#F6F5F1;font-size:20px;cursor:pointer;line-height:1;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:28px}
.drawer-nav a{
  color:#F6F5F1;
  font-size:20px;
  font-weight:700;
  padding:14px 0;
  border-bottom:1px solid rgba(246,245,241,.14);
}
.drawer-nav a.active{color:var(--accent)}
.drawer-cta{margin-top:auto;padding-top:24px}
.drawer-cta .btn{width:100%}

/* ---------- 面包屑 ---------- */
.crumb{
  font-size:13px;
  color:var(--weak);
  padding-top:22px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
}
.crumb a:hover{color:var(--accent)}
.crumb .sep{color:var(--line)}
.crumb .now{color:var(--primary);font-weight:700}

/* ---------- Hero（居中窄栏） ---------- */
.cat-hero{
  padding:28px 0 72px;
  position:relative;
}
.cat-hero-inner{max-width:760px;margin:0 auto;text-align:center}
.cat-hero h1{
  font-size:clamp(2.1rem,4.6vw,3.4rem);
  line-height:1.16;
  font-weight:900;
  letter-spacing:-.015em;
  color:var(--primary);
  margin-top:20px;
}
.cat-hero h1 .hl{
  color:var(--accent);
  display:block;
  font-size:.62em;
  margin-top:12px;
  letter-spacing:0;
}
.cat-hero p.lead{
  margin-top:22px;
  font-size:17px;
  color:var(--sub);
  line-height:1.9;
}
.hero-actions{
  margin-top:30px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:center;
}
.chip-row{
  margin-top:44px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:center;
  padding-top:30px;
  border-top:1px solid var(--line);
}
.chip-row a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:0 18px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  font-size:14px;
  font-weight:600;
  color:var(--sub);
  transition:transform .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.chip-row a:hover{transform:translateY(-3px);color:var(--primary);border-color:var(--accent);box-shadow:var(--shadow-hover)}

/* ---------- 编号清单 ---------- */
.list-block{padding:88px 0 96px;background:#fff}
.list-block .head{max-width:760px;margin-bottom:44px}
.numbered-list{border-top:1px solid var(--line)}
.numbered-item{
  display:grid;
  grid-template-columns:64px 1fr 40px;
  gap:20px;
  align-items:start;
  padding:30px 16px;
  border-bottom:1px solid var(--line);
  transition:background-color .25s ease,padding-left .25s ease;
}
.numbered-item:hover{background:#FAF9F6;padding-left:24px}
.numbered-item .idx{
  font-family:'Inter','Space Grotesk',sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:22px;
  font-weight:800;
  color:var(--accent);
  line-height:1.4;
}
.numbered-item h3{
  font-size:18px;
  font-weight:800;
  color:var(--primary);
  margin-bottom:8px;
  letter-spacing:-.01em;
}
.numbered-item p{font-size:15.5px;color:var(--sub);line-height:1.85;max-width:70ch}
.numbered-item .go{
  align-self:center;
  width:40px;height:40px;
  border-radius:999px;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);
  font-size:16px;
  transition:background-color .25s ease,color .25s ease,transform .25s ease;
}
.numbered-item:hover .go{background:var(--primary);color:#F6F5F1;transform:translateX(3px)}

/* ---------- 对比表 ---------- */
.compare-block{padding:96px 0;background:var(--bg)}
.table-wrap{
  overflow-x:auto;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-soft);
}
table.compare{
  width:100%;
  min-width:680px;
  border-collapse:collapse;
  font-size:14.5px;
}
table.compare caption{
  caption-side:top;
  text-align:left;
  padding:20px 24px 6px;
  font-size:14px;
  color:var(--weak);
}
table.compare th,table.compare td{
  padding:14px 18px;
  text-align:left;
  border-bottom:1px solid var(--line);
}
table.compare thead th{
  background:var(--primary);
  color:#F6F5F1;
  font-weight:700;
  font-size:14px;
  letter-spacing:.02em;
  border-bottom:0;
}
table.compare thead th:first-child{border-top-left-radius:18px}
table.compare thead th:last-child{border-top-right-radius:18px}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare tbody tr:hover{background:#FAF9F6}
table.compare td:first-child{font-weight:700;color:var(--primary)}
.mark-yes{color:var(--accent);font-weight:800}
.mark-no{color:var(--weak);font-weight:700}
.table-note{margin-top:16px;font-size:13px;color:var(--weak)}

/* ---------- 双列提示卡 ---------- */
.tips-block{padding:96px 0;background:#fff}
.tips-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:stretch}
.tip-card{
  border-radius:var(--radius-card);
  padding:34px 30px;
  border:1px solid var(--line);
  background:#fff;
  transition:transform .3s ease,box-shadow .3s ease;
}
.tip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.tip-card h3{font-size:20px;font-weight:800;margin-bottom:18px;color:var(--primary);letter-spacing:-.01em}
.tip-card ul{display:flex;flex-direction:column;gap:12px}
.tip-card li{
  position:relative;
  padding-left:20px;
  font-size:15.5px;
  color:var(--sub);
  line-height:1.8;
}
.tip-card li::before{
  content:"";
  position:absolute;
  left:0;top:.7em;
  width:8px;height:8px;
  background:var(--cta);
  border-radius:2px;
  transform:skewX(-18deg);
}
.tip-card.dark{
  background:var(--primary);
  border-color:var(--primary);
  color:#F6F5F1;
}
.tip-card.dark h3{color:#fff}
.tip-card.dark li{color:rgba(246,245,241,.82)}
.tip-card.dark li::before{background:var(--accent)}
.tip-card.dark .tip-foot{
  margin-top:22px;
  padding-top:18px;
  border-top:1px solid rgba(246,245,241,.18);
  font-size:13.5px;
  color:rgba(246,245,241,.65);
}

/* ---------- CTA + 表单 ---------- */
.contact-block{padding:96px 0 104px;background:var(--bg)}
.contact-panel{
  background:var(--primary);
  border-radius:24px;
  padding:52px 48px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  color:#F6F5F1;
}
.contact-panel h2{
  font-size:clamp(1.6rem,2.6vw,2.2rem);
  font-weight:800;
  line-height:1.3;
  color:#fff;
  letter-spacing:-.01em;
}
.contact-panel p{margin-top:16px;color:rgba(246,245,241,.78);font-size:16px}
.contact-list{margin-top:28px;display:flex;flex-direction:column;gap:10px}
.contact-list li{font-size:14.5px;color:rgba(246,245,241,.8);display:flex;gap:10px;align-items:flex-start}
.contact-list li span.k{color:var(--accent);font-weight:700;flex-shrink:0}
.form-card{background:#fff;border-radius:20px;padding:28px;box-shadow:var(--shadow-soft)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--primary);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;
  min-height:48px;
  border-radius:var(--radius-input);
  border:1px solid var(--line);
  background:#FAF9F6;
  padding:12px 14px;
  font-size:15px;
  transition:border-color .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--weak)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  background:#fff;
  border-color:var(--accent);
  box-shadow:0 0 0 2px rgba(18,199,154,.35);
}
.form-hint{font-size:12.5px;color:var(--weak);margin-top:12px;line-height:1.7}
.form-card .btn{width:100%;margin-top:6px}

/* ---------- FAQ ---------- */
.faq-block{padding:96px 0;background:#fff}
.faq-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.faq-left{position:sticky;top:110px}
.faq-left .sec-lead{margin-top:16px}
.faq-left .btn{margin-top:26px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item[open]{border-color:rgba(18,199,154,.55);box-shadow:0 14px 30px -22px rgba(11,46,42,.6)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 22px;
  font-size:16px;
  font-weight:700;
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;top:12px;bottom:12px;
  width:3px;
  background:var(--accent);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .25s ease;
}
.faq-item[open] summary::before{transform:scaleY(1)}
.faq-item[open] summary{color:var(--accent)}
.faq-item summary .pm{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:8px;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;
  color:var(--sub);
  transition:transform .25s ease,background-color .25s ease,color .25s ease;
}
.faq-item[open] summary .pm{transform:rotate(45deg);background:var(--accent);color:#fff;border-color:var(--accent)}
.faq-body{padding:0 20px 20px;font-size:15.5px;color:var(--sub);line-height:1.8}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:70;
  display:flex;
  align-items:center;
  gap:10px;
  opacity:0;
  visibility:hidden;
  transform:translateY(14px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta .to-top{
  width:44px;height:44px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--primary);
  cursor:pointer;
  font-size:16px;
  display:flex;align-items:center;justify-content:center;
  transition:background-color .25s ease,color .25s ease;
}
.float-cta .to-top:hover{background:var(--primary);color:#F6F5F1;border-color:var(--primary)}
.float-cta .btn-dark:hover{background:var(--cta)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--primary);
  color:#F6F5F1;
  padding:72px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:4fr 2fr 3fr 3fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(246,245,241,.16);
}
.foot-brand p{
  margin-top:18px;
  font-size:14.5px;
  line-height:1.85;
  color:rgba(246,245,241,.7);
  max-width:34ch;
}
.foot-col summary{
  list-style:none;
  cursor:pointer;
  font-size:15px;
  font-weight:800;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:16px;
}
.foot-col summary::-webkit-details-marker{display:none}
.foot-col .fmark{color:var(--accent);font-size:16px;display:none}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{
  font-size:14.5px;
  color:rgba(246,245,241,.75);
  transition:color .22s ease,padding-left .22s ease;
}
.foot-links a:hover{color:var(--accent);padding-left:4px}
.foot-links span{font-size:14px;color:rgba(246,245,241,.72)}
.foot-legal{
  display:flex;
  flex-wrap:wrap;
  gap:10px 26px;
  align-items:center;
  padding-top:24px;
  font-size:13px;
  color:rgba(246,245,241,.6);
}
.foot-legal a{color:rgba(246,245,241,.72);border-bottom:1px solid rgba(246,245,241,.28)}
.foot-legal a:hover{color:var(--accent)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
.reveal.in{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (min-width:1024px){
  .container-x{padding-left:32px;padding-right:32px}
}
@media (max-width:1023px){
  .nav-main{display:none}
  .nav-actions .outline-chip{display:none}
  .nav-actions .nav-cta{display:none}
  .burger{display:flex}
  .faq-grid{grid-template-columns:1fr;gap:32px}
  .faq-left{position:static}
  .contact-panel{grid-template-columns:1fr;padding:40px 30px;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  :root{--space-block:64px}
  .cat-hero{padding:18px 0 52px}
  .list-block,.compare-block,.tips-block,.contact-block,.faq-block{padding:56px 0}
  .numbered-item{grid-template-columns:44px 1fr;padding:24px 8px;gap:14px}
  .numbered-item .go{display:none}
  .number-item .idx{font-size:19px}
  .tips-grid{grid-template-columns:1fr}
  .tip-card{padding:26px 22px}
  .footer-grid{grid-template-columns:1fr;gap:0;padding-bottom:20px}
  .foot-col .fmark{display:block}
  .foot-col summary{border-bottom:1px solid rgba(246,245,241,.16);padding:16px 0}
  .foot-col .foot-links{padding:16px 0 6px}
  .float-cta{
    left:0;right:0;bottom:0;
    border-radius:0;
    background:rgba(246,245,241,.98);
    border-top:1px solid var(--line);
    padding:12px 16px;
    gap:10px;
    transform:translateY(100%);
    box-shadow:0 -8px 24px -18px rgba(11,46,42,.7);
  }
  .float-cta.show{transform:translateY(0)}
  .float-cta .btn-dark{flex:1}
  .float-cta .to-top{background:#fff}
  .contact-panel h2{font-size:1.5rem}
  .hero-actions .btn{width:100%}
}