/* roulang page: index */
:root{
  --brand-700:#0A6F6E;--brand-600:#0B8C89;--brand-500:#0FA3A0;--brand-400:#35BFB4;--brand-200:#A9E3DC;--brand-050:#EAF6F4;
  --accent-600:#E8622C;--accent-500:#FF7A45;
  --gold-400:#F5B841;--gold-050:#FFF6E3;
  --ink-900:#0B2426;--ink-700:#14393C;
  --text-800:#10262A;--text-600:#4A6569;--text-500:#7C9296;
  --line:#DCE9E7;--bg:#FFFFFF;--page:#F6FBF9;--alt:#EDF5F3;
  --success:#2FA36B;--danger:#E5544B;
  --r-sm:10px;--r-md:14px;--r-lg:20px;--r-xl:28px;--r-pill:999px;
  --sh-sm:0 2px 8px rgba(11,60,58,.06);
  --sh-md:0 8px 22px rgba(11,60,58,.09);
  --sh-lg:0 18px 40px rgba(11,60,58,.14);
  --sh-accent:0 10px 26px rgba(255,122,69,.32);
  --grad-brand:linear-gradient(135deg,#0B8C89 0%,#16B4A6 52%,#58D8C0 100%);
  --grad-warm:linear-gradient(120deg,#FF7A45 0%,#F5B841 100%);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;color:var(--text-800);background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-700);}
button{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}
::selection{background:var(--brand-200);color:var(--ink-900);}

/* 布局容器与板块 */
.site-container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
.site-section{padding:96px 0;}
.site-section--tight{padding:72px 0;}
.site-section--alt{background:var(--alt);}
.site-section--white{background:#fff;}
.site-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.site-head__title{font-size:30px;font-weight:800;color:var(--text-800);}
.site-head__desc{margin-top:10px;font-size:15px;color:var(--text-600);max-width:660px;line-height:1.8;}
.site-head--center{flex-direction:column;align-items:center;text-align:center;}
.site-head--center .site-head__desc{margin-left:auto;margin-right:auto;}

/* 顶部信息条 */
.site-topbar{background:var(--ink-900);color:#BFD4D2;font-size:13px;}
.site-topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.site-topbar__left{display:flex;align-items:center;gap:9px;min-width:0;}
.pmo-dot{width:8px;height:8px;border-radius:50%;background:#4FD1A5;box-shadow:0 0 0 4px rgba(79,209,165,.18);flex:0 0 8px;}
.site-topbar__left span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.site-topbar__right{display:flex;align-items:center;gap:22px;}
.site-topbar__link{color:#BFD4D2;font-size:13px;display:inline-flex;align-items:center;gap:4px;}
.site-topbar__link:hover{color:#fff;}

/* 主导航 */
.site-nav{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s var(--ease);}
.site-nav.is-stuck{box-shadow:var(--sh-md);}
.site-nav__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .25s var(--ease);}
.site-nav.is-stuck .site-nav__inner{height:64px;}
.pmo-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.pmo-logo__mark{width:38px;height:38px;border-radius:12px;background:var(--grad-brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;box-shadow:var(--sh-sm);}
.pmo-logo__text{display:flex;flex-direction:column;line-height:1.2;}
.pmo-logo__text strong{font-size:17px;font-weight:800;color:var(--text-800);}
.pmo-logo__text em{font-style:normal;font-size:11px;color:var(--text-500);letter-spacing:.02em;}
.site-nav__menu{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center;}
.site-nav__item{display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:12px;font-size:15px;font-weight:500;color:var(--text-600);white-space:nowrap;}
.site-nav__item:hover{color:var(--brand-700);background:var(--brand-050);}
.site-nav__item.is-active{color:var(--brand-700);font-weight:600;background:var(--brand-050);box-shadow:inset 0 -2px 0 var(--brand-500);}
.site-nav__actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.site-nav__burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;transition:border-color .2s var(--ease),background .2s var(--ease);}
.site-nav__burger:hover{border-color:var(--brand-400);background:var(--brand-050);}
.site-nav__burger i{display:block;width:18px;height:2px;background:var(--text-800);position:relative;border-radius:2px;}
.site-nav__burger i::before,.site-nav__burger i::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-800);border-radius:2px;transition:transform .2s var(--ease);}
.site-nav__burger i::before{top:-6px;}
.site-nav__burger i::after{top:6px;}
.site-drawer{display:none;border-top:1px solid var(--line);background:#fff;box-shadow:var(--sh-md);}
.site-drawer.is-open{display:block;}
.site-drawer a{display:flex;align-items:center;padding:0 20px;min-height:52px;font-size:17px;color:var(--text-800);border-bottom:1px solid var(--alt);}
.site-drawer a.is-active{color:var(--brand-700);font-weight:600;background:var(--brand-050);}
.site-drawer__cta{padding:16px 20px 20px;}
.site-drawer__cta .pmo-btn{width:100%;}

/* 按钮 */
.pmo-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-pill);font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;cursor:pointer;white-space:nowrap;text-align:center;transition:background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease),transform .18s var(--ease),border-color .22s var(--ease),filter .22s var(--ease);}
.pmo-btn:active{transform:translateY(1px);}
.pmo-btn[disabled],.pmo-btn.is-disabled{opacity:.6;box-shadow:none;pointer-events:none;}
.pmo-btn--primary{background:var(--grad-warm);color:#fff;box-shadow:var(--sh-accent);}
.pmo-btn--primary:hover{color:#fff;filter:brightness(1.05);box-shadow:0 12px 30px rgba(255,122,69,.4);}
.pmo-btn--secondary{background:var(--brand-050);color:var(--brand-700);border-color:rgba(11,140,137,.25);}
.pmo-btn--secondary:hover{background:#fff;border-color:var(--brand-500);color:var(--brand-700);box-shadow:var(--sh-sm);}
.pmo-btn--outline-light{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.55);}
.pmo-btn--outline-light:hover{background:#fff;color:var(--brand-700);border-color:#fff;}
.pmo-btn--lg{height:52px;padding:0 26px;font-size:16px;}
.pmo-btn--sm{height:36px;padding:0 16px;font-size:14px;}
.pmo-btn--block{width:100%;}

/* 文本链接与标签 */
.pmo-textlink{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-600);}
.pmo-textlink span{transition:transform .2s var(--ease);}
.pmo-textlink:hover span{transform:translateX(3px);}
.pmo-badge{display:inline-flex;align-items:center;gap:8px;min-height:28px;padding:0 14px;border-radius:var(--r-pill);font-size:13px;font-weight:600;background:var(--brand-050);color:var(--brand-700);border:1px solid rgba(11,140,137,.16);white-space:nowrap;}
.pmo-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500);flex:0 0 6px;}
.pmo-badge--gold{background:var(--gold-050);color:#8A5A0B;border-color:rgba(245,184,65,.4);}
.pmo-badge--gold::before{background:var(--gold-400);}
.pmo-badge--line{background:transparent;color:var(--text-600);border-color:var(--line);}
.pmo-badge--line::before{background:var(--text-500);}
.pmo-badge--on-dark{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.28);}
.pmo-badge--on-dark::before{background:#7FE3D6;}

/* Hero */
.site-hero{position:relative;overflow:hidden;background:var(--grad-brand);color:#fff;}
.site-hero::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.10) 0 1px,transparent 1px 22px);pointer-events:none;}
.site-hero::after{content:"";position:absolute;width:560px;height:560px;right:-180px;top:-220px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.20),rgba(255,255,255,0) 70%);pointer-events:none;}
.site-hero__inner{position:relative;z-index:2;padding:84px 0 88px;}
.site-hero__badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.site-hero__h1{font-size:44px;font-weight:800;line-height:1.22;color:#fff;}
.site-hero__sub{margin-top:18px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.9);max-width:560px;}
.site-hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.site-hero__stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px;}
.pmo-stat{display:inline-flex;align-items:baseline;gap:8px;padding:10px 18px;border-radius:var(--r-md);background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.24);}
.pmo-stat b{font-size:22px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1;}
.pmo-stat span{font-size:13px;color:rgba(255,255,255,.85);}
.site-hero__visual{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:0 24px 60px rgba(4,40,40,.3);aspect-ratio:4/3;background:rgba(255,255,255,.08);}
.site-hero__visual img{width:100%;height:100%;object-fit:cover;border-radius:var(--r-xl);}
.site-hero__visual::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(15,163,160,.16),rgba(11,36,38,.3));}
.site-hero__float{position:absolute;left:-16px;bottom:22px;z-index:3;background:#fff;border-radius:var(--r-lg);padding:12px 16px;display:flex;align-items:center;gap:12px;box-shadow:var(--sh-lg);}
.site-hero__float img{width:52px;height:52px;border-radius:12px;object-fit:cover;flex:0 0 52px;}
.site-hero__float strong{display:block;font-size:14px;font-weight:700;color:var(--text-800);line-height:1.4;}
.site-hero__float span{display:block;font-size:12px;color:var(--text-500);}

/* 分类卡 */
.pmo-cat-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);overflow:hidden;transition:transform .22s var(--ease),box-shadow .22s var(--ease);}
.pmo-cat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);}
.pmo-cat-card__img{aspect-ratio:16/9;overflow:hidden;background:var(--alt);}
.pmo-cat-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.pmo-cat-card:hover .pmo-cat-card__img img{transform:scale(1.04);}
.pmo-cat-card__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.pmo-cat-card__body h3{font-size:18px;font-weight:700;}
.pmo-cat-card__body p{font-size:14px;color:var(--text-600);line-height:1.78;flex:1;}

/* 流程时间线 */
.site-flow{max-width:900px;margin:0 auto;}
.site-flow__item{position:relative;padding-left:68px;padding-bottom:34px;}
.site-flow__item:last-child{padding-bottom:0;}
.site-flow__item::before{content:"";position:absolute;left:21px;top:48px;bottom:2px;width:2px;background:linear-gradient(180deg,var(--brand-200),rgba(169,227,220,.15));}
.site-flow__item:last-child::before{display:none;}
.site-flow__num{position:absolute;left:0;top:0;width:44px;height:44px;border-radius:50%;background:var(--grad-brand);color:#fff;font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;box-shadow:0 6px 16px rgba(15,163,160,.3);}
.site-flow__title{font-size:17px;font-weight:700;margin-bottom:8px;}
.site-flow__text{font-size:15px;color:var(--text-600);line-height:1.85;max-width:700px;}

/* 功能条目 */
.pmo-feature{display:flex;gap:16px;padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);height:100%;transition:transform .22s var(--ease),box-shadow .22s var(--ease);}
.pmo-feature:hover{transform:translateY(-2px);box-shadow:var(--sh-md);}
.pmo-feature__icon{width:44px;height:44px;flex:0 0 44px;border-radius:14px;background:var(--brand-050);color:var(--brand-600);display:flex;align-items:center;justify-content:center;}
.pmo-feature__icon svg{width:22px;height:22px;}
.pmo-feature h3{font-size:16px;font-weight:700;margin-bottom:6px;}
.pmo-feature p{font-size:14px;color:var(--text-600);line-height:1.75;}

/* 版本对比 */
.pmo-compare{display:flex;flex-wrap:wrap;gap:24px;align-items:stretch;}
.pmo-compare__card{flex:1 1 320px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);overflow:hidden;display:flex;flex-direction:column;transition:transform .22s var(--ease),box-shadow .22s var(--ease);}
.pmo-compare__card.is-featured{box-shadow:var(--sh-lg);border-color:rgba(15,163,160,.45);}
.pmo-compare__bar{height:6px;background:var(--grad-brand);}
.pmo-compare__card.is-featured .pmo-compare__bar{background:var(--grad-warm);}
.pmo-compare__head{padding:22px 24px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.pmo-compare__head h3{font-size:19px;font-weight:700;}
.pmo-compare__rows{flex:1;}
.pmo-compare__row{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:14px 24px;font-size:14px;border-bottom:1px solid var(--alt);}
.pmo-compare__row:last-child{border-bottom:0;}
.pmo-compare__row.is-alt{background:var(--brand-050);}
.pmo-compare__row dt{color:var(--text-500);flex:0 0 auto;}
.pmo-compare__row dd{margin:0;color:var(--text-800);font-weight:600;text-align:right;}

/* 状态深色条 */
.site-status{position:relative;overflow:hidden;background:var(--ink-900);color:#fff;border-radius:var(--r-xl);padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;box-shadow:var(--sh-lg);}
.site-status::after{content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(15,163,160,.4),rgba(15,163,160,0) 70%);pointer-events:none;}
.site-status__left{position:relative;z-index:2;max-width:420px;}
.site-status__left h2{font-size:24px;font-weight:800;color:#fff;margin-top:14px;}
.site-status__left p{margin-top:10px;font-size:14px;color:#A9C3C1;line-height:1.8;}
.pmo-clock{position:relative;z-index:2;display:flex;gap:12px;}
.pmo-clock__cell{min-width:78px;padding:12px 8px;border-radius:var(--r-md);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);text-align:center;}
.pmo-clock__cell b{display:block;font-size:18px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.3;}
.pmo-clock__cell span{display:block;font-size:12px;color:rgba(255,255,255,.62);margin-top:2px;}
.site-status__right{position:relative;z-index:2;}

/* 资讯卡片与列表行 */
.site-post{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);overflow:hidden;transition:transform .22s var(--ease),box-shadow .22s var(--ease);}
.site-post:hover{transform:translateY(-3px);box-shadow:var(--sh-md);}
.site-post--lead{height:100%;}
.site-post__thumb{aspect-ratio:16/9;overflow:hidden;background:var(--alt);}
.site-post__thumb img{width:100%;height:100%;object-fit:cover;}
.site-post__body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.site-post__title{font-size:19px;font-weight:700;line-height:1.5;}
.site-post__title a{color:var(--text-800);}
.site-post__title a:hover{color:var(--brand-600);}
.site-post__excerpt{font-size:14px;color:var(--text-600);line-height:1.78;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.site-post__meta{margin-top:auto;display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--text-500);}
.site-post-row{display:flex;gap:16px;padding:16px 4px;border-bottom:1px solid var(--line);transition:background .2s var(--ease);}
.site-post-row:last-child{border-bottom:0;}
.site-post-row:hover{background:var(--brand-050);}
.site-post-row__thumb{width:116px;height:80px;flex:0 0 116px;border-radius:14px;overflow:hidden;background:var(--alt);}
.site-post-row__thumb img{width:100%;height:100%;object-fit:cover;}
.site-post-row__title{font-size:15px;font-weight:600;line-height:1.5;color:var(--text-800);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.site-post-row:hover .site-post-row__title{color:var(--brand-700);}
.site-post-row__meta{margin-top:8px;font-size:12px;color:var(--text-500);display:flex;gap:10px;flex-wrap:wrap;align-items:center;}
.site-empty{background:var(--brand-050);border:1px dashed rgba(11,140,137,.3);border-radius:var(--r-lg);padding:48px 24px;text-align:center;}
.site-empty svg{width:48px;height:48px;color:var(--brand-400);margin:0 auto 16px;}
.site-empty p{font-size:15px;color:var(--text-600);margin-bottom:20px;}

/* FAQ 手风琴 */
.pmo-accordion{border:0;background:transparent;max-width:900px;margin:0 auto;}
.pmo-accordion .accordion-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-sm);margin-bottom:12px;overflow:hidden;transition:box-shadow .22s var(--ease);}
.pmo-accordion .accordion-item:hover{box-shadow:var(--sh-md);}
.pmo-accordion .accordion-title{border:0;background:#fff;padding:20px 64px 20px 24px;font-size:17px;font-weight:600;color:var(--text-800);position:relative;line-height:1.6;transition:background .2s var(--ease),color .2s var(--ease);}
.pmo-accordion .accordion-title:hover{background:var(--brand-050);color:var(--brand-700);}
.pmo-accordion .accordion-title::before{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);width:28px;height:28px;line-height:26px;text-align:center;border-radius:50%;background:var(--brand-050);color:var(--brand-700);font-size:17px;font-weight:600;margin:0;transition:transform .22s var(--ease),background .22s var(--ease);}
.pmo-accordion .is-active > .accordion-title{background:var(--brand-050);color:var(--brand-700);}
.pmo-accordion .is-active > .accordion-title::before{content:"+";transform:translateY(-50%) rotate(45deg);background:var(--brand-500);color:#fff;}
.pmo-accordion .accordion-content{border:0;background:var(--alt);padding:20px 24px 24px;font-size:15px;line-height:1.85;color:var(--text-600);}

/* 表单 */
.pmo-form{display:grid;gap:18px;}
.pmo-field--half{display:grid;gap:18px;grid-template-columns:1fr 1fr;}
.pmo-field label{display:block;font-size:13px;font-weight:600;color:var(--text-800);margin-bottom:8px;}
.pmo-req::after{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--gold-400);margin-left:6px;vertical-align:middle;}
.pmo-field input,.pmo-field select,.pmo-field textarea{width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:12px;background:#fff;font-size:15px;color:var(--text-800);font-family:inherit;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);appearance:none;-webkit-appearance:none;}
.pmo-field textarea{height:auto;min-height:124px;padding:12px 14px;line-height:1.7;resize:vertical;}
.pmo-field select{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4' fill='none' stroke='%234A6569' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:16px;padding-right:40px;}
.pmo-field input::placeholder,.pmo-field textarea::placeholder{color:#A9B9BB;}
.pmo-field input:focus,.pmo-field select:focus,.pmo-field textarea:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(15,163,160,.14);}
.pmo-check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-600);line-height:1.7;}
.pmo-check input{width:18px;height:18px;flex:0 0 18px;margin-top:2px;accent-color:var(--brand-500);}
.pmo-form-note{font-size:13px;color:var(--text-500);}
.pmo-card-form{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-lg);padding:28px;}
.pmo-side-card{background:var(--brand-050);border-radius:var(--r-lg);padding:24px;border:1px solid rgba(11,140,137,.14);}
.pmo-points li{display:flex;gap:10px;font-size:14px;color:var(--text-600);line-height:1.8;margin-bottom:14px;}
.pmo-points li:last-child{margin-bottom:0;}
.pmo-points li svg{width:18px;height:18px;flex:0 0 18px;margin-top:4px;color:var(--brand-500);}
.pmo-trust{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;}

/* 页脚 */
.site-footer{background:var(--ink-900);color:#9FB7B5;padding:72px 0 0;margin-top:0;}
.site-footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.site-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;}
.site-footer a{display:block;font-size:14px;color:#9FB7B5;line-height:2.1;transition:color .2s var(--ease),transform .2s var(--ease);}
.site-footer a:hover{color:#fff;transform:translateX(2px);}
.site-footer p{font-size:14px;line-height:1.9;color:#8299 97;}
.site-footer__brand .pmo-logo__text strong{color:#fff;}
.site-footer__brand .pmo-logo__text em{color:#7E9695;}
.site-footer__desc{margin-top:16px;font-size:14px;line-height:1.9;color:#829997;max-width:320px;}
.site-footer__meta{margin-top:14px;font-size:13px;color:#6E8685;}
.site-footer__bottom{margin-top:56px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#6E8685;}
.site-footer__bottom a{display:inline;font-size:13px;color:#6E8685;}
.site-footer__bottom a:hover{color:#fff;}

/* 通用工具 */
.site-mt-32{margin-top:32px;}
.site-mt-24{margin-top:24px;}
.site-center{text-align:center;}
.site-lead{font-size:16px;color:var(--text-600);line-height:1.85;}

/* 断点 */
@media (max-width:1023px){
  .site-nav__menu{display:none;}
  .site-nav__burger{display:inline-flex;}
  .site-nav__actions .pmo-btn{display:none;}
  .site-hero__h1{font-size:34px;}
  .site-hero__inner{padding:64px 0 68px;}
  .site-head__title{font-size:24px;}
  .site-section{padding:64px 0;}
  .site-section--tight{padding:56px 0;}
  .site-footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
  .site-topbar__right{gap:16px;}
}
@media (max-width:767px){
  .site-hero__visual{aspect-ratio:16/10;margin-top:8px;}
  .site-hero__float{left:12px;bottom:12px;padding:10px 12px;}
  .pmo-clock__cell{min-width:70px;}
  .site-status{padding:26px 22px;border-radius:var(--r-lg);}
  .site-status__left h2{font-size:20px;}
  .pmo-field--half{grid-template-columns:1fr;}
  .pmo-card-form{padding:22px;}
}
@media (max-width:639px){
  .site-container{padding:0 20px;}
  .site-hero__h1{font-size:28px;}
  .site-hero__sub{font-size:15px;}
  .site-hero__cta{gap:10px;}
  .site-hero__cta .pmo-btn{width:100%;}
  .site-hero__stats{gap:10px;}
  .pmo-stat{flex:1 1 100%;justify-content:flex-start;}
  .site-head__title{font-size:22px;}
  .site-section{padding:48px 0;}
  .site-section--tight{padding:44px 0;}
  .pmo-compare__card{flex:1 1 100%;}
  .site-flow__item{padding-left:56px;}
  .site-flow__num{width:38px;height:38px;font-size:15px;}
  .site-flow__item::before{left:18px;top:42px;}
  .site-post-row{flex-direction:column;gap:12px;}
  .site-post-row__thumb{width:100%;height:auto;aspect-ratio:16/9;flex:none;}
  .site-footer{padding-top:52px;}
  .site-footer__grid{grid-template-columns:1fr;gap:28px;}
  .site-footer__bottom{flex-direction:column;gap:8px;}
  .site-topbar__right .site-topbar__link:not(:first-child){display:none;}
  .pmo-clock{width:100%;justify-content:center;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --brand-700:#0A6F6E; --brand-600:#0B8C89; --brand-500:#0FA3A0; --brand-400:#35BFB4;
  --brand-200:#A9E3DC; --brand-050:#EAF6F4;
  --accent-600:#E8622C; --accent-500:#FF7A45;
  --gold-400:#F5B841; --gold-050:#FFF6E3;
  --ink-900:#0B2426; --ink-700:#14393C;
  --text-800:#10262A; --text-600:#4A6569; --text-500:#7C9296;
  --line:#DCE9E7; --page:#F6FBF9; --alt:#EDF5F3; --white:#FFFFFF;
  --success:#2FA36B; --warn:#F5B841; --danger:#E5544B;
  --grad-brand:linear-gradient(135deg,#0B8C89 0%,#16B4A6 52%,#58D8C0 100%);
  --grad-warm:linear-gradient(120deg,#FF7A45 0%,#F5B841 100%);
  --r-sm:10px; --r-md:14px; --r-lg:20px; --r-xl:28px; --r-pill:999px;
  --sh-sm:0 2px 8px rgba(11,60,58,.06);
  --sh-md:0 8px 22px rgba(11,60,58,.09);
  --sh-lg:0 18px 40px rgba(11,60,58,.14);
  --sh-warm:0 10px 26px rgba(255,122,69,.32);
  --ease:cubic-bezier(.22,.61,.36,1);
  --gut:32px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0; background:var(--page); color:var(--text-800);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px; line-height:1.75; letter-spacing:0;
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-700);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{line-height:1.25;color:var(--text-800);margin:0;font-weight:700;}
p{margin:0 0 20px;}
ul,ol{margin:0 0 20px;padding-left:22px;}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.tabular{font-variant-numeric:tabular-nums;}
.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1440px){.site-container{max-width:1320px;}}
/* ---------- 顶部信息条 ---------- */
.site-topbar{background:var(--ink-900);color:#CFE6E3;height:36px;font-size:12.5px;display:flex;align-items:center;}
.site-topbar__inner{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.site-topbar__left{display:flex;align-items:center;gap:10px;min-width:0;}
.site-topbar__dot{width:6px;height:6px;border-radius:50%;background:var(--brand-400);flex:0 0 auto;}
.site-topbar__host{color:#8FB9B5;letter-spacing:.02em;}
.site-topbar__right{display:flex;align-items:center;gap:18px;}
.site-topbar__link{color:#DFF2EF;display:inline-flex;align-items:center;gap:6px;}
.site-topbar__link:hover{color:#fff;}
/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:saturate(140%) blur(6px);border-bottom:1px solid var(--line);transition:box-shadow .22s var(--ease);}
.site-header.is-stuck{box-shadow:var(--sh-md);}
.site-nav{height:68px;display:flex;align-items:center;}
.site-nav__inner{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:24px;}
.pmo-logo{display:inline-flex;align-items:center;gap:10px;}
.pmo-logo__mark{width:38px;height:38px;border-radius:12px;background:var(--grad-brand);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:17px;box-shadow:var(--sh-sm);flex:0 0 auto;}
.pmo-logo__text{display:flex;flex-direction:column;line-height:1.1;}
.pmo-logo__text strong{font-size:17px;font-weight:800;color:var(--text-800);letter-spacing:.01em;}
.pmo-logo__text em{font-style:normal;font-size:11.5px;color:var(--text-500);letter-spacing:.02em;}
.site-nav__menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.site-nav__item{position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;border-radius:var(--r-sm);font-size:15px;color:var(--text-600);font-weight:500;transition:background .2s var(--ease),color .2s var(--ease);}
.site-nav__item::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;background:var(--brand-500);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);}
.site-nav__item:hover{color:var(--brand-700);background:var(--brand-050);}
.site-nav__item:hover::after{transform:scaleX(1);}
.site-nav__item.is-active{color:var(--brand-700);background:var(--brand-050);font-weight:600;}
.site-nav__item.is-active::after{transform:scaleX(1);}
.site-nav__cta{margin-left:8px;display:inline-flex;align-items:center;height:44px;padding:0 20px;border-radius:var(--r-pill);background:var(--accent-500);color:#fff;font-weight:600;font-size:15px;box-shadow:var(--sh-warm);transition:transform .2s var(--ease),filter .2s var(--ease);}
.site-nav__cta:hover{color:#fff;filter:brightness(1.05);}
.site-nav__cta:active{transform:translateY(1px);}
.site-nav__toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r-sm);color:var(--brand-700);align-items:center;justify-content:center;font-size:17px;cursor:pointer;}
.site-nav__mobile{display:none;}
/* ---------- 按钮 ---------- */
.pmo-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;font-weight:600;border-radius:var(--r-pill);transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease),background .2s var(--ease);}
.pmo-btn--lg{height:52px;padding:0 26px;font-size:16px;}
.pmo-btn--md{height:44px;padding:0 20px;font-size:15px;}
.pmo-btn--sm{height:36px;padding:0 16px;font-size:14px;}
.pmo-btn--primary{background:var(--accent-500);color:#fff;box-shadow:var(--sh-warm);}
.pmo-btn--primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-1px);}
.pmo-btn--primary:active{transform:translateY(1px);box-shadow:none;}
.pmo-btn--ghost{background:var(--brand-050);color:var(--brand-700);border:1px solid var(--brand-200);}
.pmo-btn--ghost:hover{color:var(--brand-700);background:#DFF1EE;transform:translateY(-1px);}
.pmo-btn--line{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6);}
.pmo-btn--line:hover{color:#fff;background:rgba(255,255,255,.1);}
.pmo-btn--text{background:transparent;color:var(--brand-700);padding:0 4px;height:auto;font-weight:600;}
.pmo-btn--text i{transition:transform .2s var(--ease);}
.pmo-btn--text:hover i{transform:translateX(3px);}
.pmo-btn:disabled{opacity:.6;box-shadow:none;cursor:not-allowed;}
/* ---------- 通用板块 ---------- */
.site-section{padding:88px 0;}
.site-section--alt{background:var(--alt);}
.site-section--tight{padding:64px 0;}
.site-section__head{max-width:760px;margin-bottom:32px;}
.site-section__head--center{margin-left:auto;margin-right:auto;text-align:center;}
.site-section__title{font-size:30px;font-weight:800;margin-bottom:12px;}
.site-section__lead{font-size:16px;color:var(--text-600);margin:0;}
.pmo-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-700);background:var(--brand-050);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px;}
/* ---------- 徽章 ---------- */
.pmo-badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:var(--r-pill);font-size:13px;font-weight:600;line-height:1;white-space:nowrap;}
.pmo-badge i{font-size:9px;}
.pmo-badge--brand{background:var(--brand-050);color:var(--brand-700);}
.pmo-badge--gold{background:var(--gold-050);color:#8A6410;}
.pmo-badge--outline{background:#fff;color:var(--ink-700);border:1px solid var(--line);}
.pmo-badge--onDark{background:rgba(255,255,255,.12);color:#D8F1EE;}
/* ---------- 卡片 ---------- */
.pmo-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-md);padding:28px;transition:transform .22s var(--ease),box-shadow .22s var(--ease);}
.pmo-card--flat{background:var(--brand-050);border-color:transparent;box-shadow:none;}
.pmo-card--pad-sm{padding:22px;}
/* ---------- 文章头部 ---------- */
.site-article-head{background:#fff;border-bottom:1px solid var(--line);padding:28px 0 36px;}
.site-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-500);margin-bottom:18px;}
.site-breadcrumb a{color:var(--text-600);}
.site-breadcrumb a:hover{color:var(--brand-700);}
.site-breadcrumb span.sep{color:#B9CFCC;}
.site-breadcrumb .current{color:var(--text-500);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom;}
.site-article-head h1{font-size:42px;font-weight:800;max-width:900px;margin-bottom:18px;}
.site-article-head__meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:14px;color:var(--text-500);}
.site-article-head__meta .divider{width:1px;height:14px;background:var(--line);}
/* ---------- 布局 ---------- */
.site-article-layout{display:flex;gap:var(--gut);align-items:flex-start;padding:56px 0 88px;}
.site-article-main{flex:1 1 66%;min-width:0;max-width:100%;}
.site-article-side{flex:0 0 340px;max-width:340px;position:sticky;top:92px;}
/* ---------- 正文排版 ---------- */
.site-article__body{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-md);padding:40px;font-size:17px;line-height:1.9;color:var(--text-800);max-width:840px;}
.site-article__body > *:first-child{margin-top:0;}
.site-article__body > *:last-child{margin-bottom:0;}
.site-article__body p{margin:0 0 22px;line-height:1.9;}
.site-article__body h2{font-size:24px;font-weight:800;margin:40px 0 18px;padding-left:14px;border-left:4px solid var(--brand-500);}
.site-article__body h3{font-size:19px;font-weight:700;margin:30px 0 14px;}
.site-article__body ul,.site-article__body ol{margin:0 0 22px;padding-left:24px;}
.site-article__body li{margin-bottom:10px;line-height:1.9;}
.site-article__body ul li::marker{color:var(--brand-500);}
.site-article__body ol{counter-reset:none;}
.site-article__body ol li::marker{color:var(--brand-600);font-weight:700;}
.site-article__body blockquote{margin:0 0 22px;background:var(--brand-050);border-left:4px solid var(--brand-500);border-radius:0 var(--r-md) var(--r-md) 0;padding:18px 22px;font-style:italic;font-size:16px;color:var(--text-600);}
.site-article__body blockquote p:last-child{margin-bottom:0;}
.site-article__body img{border-radius:16px;margin:0 0 10px;}
.site-article__body figure{margin:0 0 24px;}
.site-article__body figcaption{font-size:13px;color:var(--text-500);margin-top:8px;}
.site-article__body table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;font-size:15px;margin:0 0 24px;display:block;overflow-x:auto;white-space:nowrap;}
.site-article__body thead{background:var(--brand-050);}
.site-article__body th{padding:12px 16px;text-align:left;font-weight:600;color:var(--brand-700);border-bottom:1px solid var(--line);}
.site-article__body td{padding:12px 16px;border-bottom:1px solid var(--line);color:var(--text-600);}
.site-article__body tr:last-child td{border-bottom:0;}
.site-article__body pre{background:var(--ink-900);color:#CDEFEC;border-radius:var(--r-md);padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:0 0 24px;}
.site-article__body code{font-family:"SF Mono",Consolas,monospace;}
.site-article__body a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px;}
.site-article__body a:hover{color:var(--brand-700);}
.site-article__empty{text-align:center;padding:48px 24px;background:var(--brand-050);border-radius:var(--r-lg);color:var(--text-600);}
.site-article__empty a{font-weight:600;}
/* 文中提示条 */
.site-inline-note{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;background:var(--brand-050);border:1px solid var(--brand-200);border-radius:var(--r-md);padding:18px 22px;margin:0 0 28px;}
.site-inline-note p{margin:0;font-size:15px;color:var(--text-600);}
/* 标签 */
.site-tags{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0 0;}
/* 相关推荐 */
.site-related{margin-top:48px;}
.site-related h2{font-size:22px;font-weight:800;margin-bottom:20px;}
.site-related__list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.site-post{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);overflow:hidden;display:flex;flex-direction:column;transition:transform .22s var(--ease),box-shadow .22s var(--ease);}
.site-post:hover{transform:translateY(-3px);box-shadow:var(--sh-md);}
.site-post__thumb{aspect-ratio:16/9;overflow:hidden;background:var(--alt);}
.site-post__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.site-post:hover .site-post__thumb img{transform:scale(1.03);}
.site-post__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.site-post__title{font-size:17px;font-weight:700;line-height:1.5;}
.site-post__title a{color:var(--text-800);}
.site-post__title a:hover{color:var(--brand-700);}
.site-post__excerpt{font-size:14px;color:var(--text-600);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.site-post__meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-500);margin-top:auto;}
/* 上下篇 */
.site-postnav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:32px;}
.site-postnav a{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:18px 20px;color:var(--text-800);box-shadow:var(--sh-sm);transition:transform .2s var(--ease),box-shadow .2s var(--ease);}
.site-postnav a:hover{transform:translateY(-2px);box-shadow:var(--sh-md);color:var(--brand-700);}
.site-postnav__label{display:block;font-size:12.5px;color:var(--text-500);margin-bottom:6px;}
.site-postnav__title{display:block;font-size:15px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
/* ---------- 侧栏 ---------- */
.site-side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);padding:24px;margin-bottom:24px;}
.site-side-card--flat{background:var(--brand-050);border-color:transparent;box-shadow:none;}
.site-side-card__title{font-size:16px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.site-side-list{list-style:none;margin:0;padding:0;}
.site-side-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);}
.site-side-list li:last-child{border-bottom:0;padding-bottom:0;}
.site-side-list__num{flex:0 0 24px;height:24px;border-radius:8px;background:var(--brand-050);color:var(--brand-700);font-size:12.5px;font-weight:700;display:flex;align-items:center;justify-content:center;}
.site-side-list a{font-size:14.5px;color:var(--text-600);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.site-side-list a:hover{color:var(--brand-700);}
.site-side-nav a{display:flex;align-items:center;justify-content:space-between;padding:11px 14px;border-radius:var(--r-sm);font-size:14.5px;color:var(--text-600);transition:background .2s var(--ease),color .2s var(--ease);}
.site-side-nav a:hover{background:var(--brand-050);color:var(--brand-700);}
.site-side-nav a.is-active{background:var(--brand-050);color:var(--brand-700);font-weight:600;}
/* ---------- 表单 ---------- */
.pmo-field{margin-bottom:16px;}
.pmo-field label{display:block;font-size:13px;font-weight:600;color:var(--text-600);margin-bottom:7px;}
.pmo-field label .req{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--gold-400);margin-left:6px;vertical-align:middle;}
.pmo-input,.pmo-select,.pmo-textarea{width:100%;background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 14px;height:48px;font-size:15px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);}
.pmo-textarea{height:auto;padding:12px 14px;min-height:110px;resize:vertical;}
.pmo-input:focus,.pmo-select:focus,.pmo-textarea:focus{border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(15,163,160,.14);outline:none;}
.pmo-select{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8'><path d='M1 1l5 5 5-5' fill='none' stroke='%234A6569' stroke-width='1.6' stroke-linecap='round'/></svg>");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px;}
.pmo-form-note{font-size:12.5px;color:var(--text-500);margin:10px 0 0;}
.pmo-form-ok{background:#EAF7F0;color:#1E7A4F;border-radius:12px;padding:12px 14px;font-size:14px;margin-bottom:16px;}
/* ---------- FAQ ---------- */
.site-faq{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-md);overflow:hidden;}
.site-faq .accordion{border:0;background:transparent;margin:0;}
.site-faq .accordion-title{border:0;border-bottom:1px solid var(--line);padding:20px 24px;font-size:17px;font-weight:600;color:var(--text-800);background:#fff;position:relative;transition:background .2s var(--ease);}
.site-faq .accordion-title:hover{background:var(--brand-050);}
.site-faq .accordion-title::before{content:"\002B";position:absolute;right:22px;top:50%;transform:translateY(-50%);width:26px;height:26px;border-radius:50%;background:var(--brand-050);color:var(--brand-700);font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:center;transition:transform .22s var(--ease),background .22s var(--ease);margin:0;float:none;}
.site-faq .accordion-item.is-active > .accordion-title::before{content:"\2212";transform:translateY(-50%) rotate(180deg);background:var(--brand-200);}
.site-faq .accordion-content{border:0;border-bottom:1px solid var(--line);background:var(--brand-050);padding:20px 24px;font-size:15.5px;line-height:1.85;color:var(--text-600);}
.site-faq .accordion-item:last-child .accordion-title,.site-faq .accordion-item:last-child .accordion-content{border-bottom:0;}
/* ---------- CTA ---------- */
.site-cta{background:var(--ink-900);background-image:radial-gradient(circle at 12% 20%,rgba(15,163,160,.32),transparent 45%),radial-gradient(circle at 86% 80%,rgba(255,122,69,.20),transparent 48%);border-radius:var(--r-xl);padding:44px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;color:#fff;}
.site-cta h2{color:#fff;font-size:26px;margin-bottom:10px;}
.site-cta p{color:#B9D6D3;margin:0;max-width:560px;font-size:15px;}
.site-cta__actions{display:flex;flex-wrap:wrap;gap:14px;}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:#A9C4C1;padding:64px 0 0;margin-top:0;}
.site-footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.site-footer .pmo-logo__text strong{color:#fff;}
.site-footer .pmo-logo__text em{color:#89A9A5;}
.site-footer h4{font-size:14px;font-weight:600;color:#DCEBE9;margin-bottom:16px;letter-spacing:.02em;}
.site-footer a{display:block;font-size:14px;color:#A9C4C1;padding:5px 0;transition:color .2s var(--ease),transform .2s var(--ease);}
.site-footer a:hover{color:#fff;transform:translateX(2px);}
.site-footer__desc{font-size:14px;color:#8FAEAB;margin:18px 0 12px;line-height:1.8;}
.site-footer__meta{font-size:13px;color:#7C9B98;margin:0;}
.site-footer__bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0 26px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;color:#7C9B98;}
/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--gut:24px;}
  .site-section{padding:64px 0;}
  .site-article-head h1{font-size:34px;}
  .site-article-layout{flex-direction:column;padding:40px 0 64px;}
  .site-article-side{position:static;flex:1 1 auto;max-width:100%;width:100%;}
  .site-article__body{padding:28px;max-width:100%;}
  .site-related__list{grid-template-columns:1fr 1fr;}
  .site-footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
  .site-nav__menu,.site-nav__cta{display:none;}
  .site-nav__toggle{display:inline-flex;margin-left:auto;}
  .site-nav__mobile{display:block;border-top:1px solid var(--line);background:#fff;max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
  .site-nav__mobile.is-open{max-height:420px;}
  .site-nav__mobile a{display:block;font-size:17px;line-height:52px;padding:0 20px;color:var(--text-600);border-bottom:1px solid var(--line);}
  .site-nav__mobile a.is-active{color:var(--brand-700);font-weight:600;background:var(--brand-050);}
  .site-nav__mobile .pmo-btn{margin:14px 20px 18px;width:calc(100% - 40px);}
}
@media (max-width:639px){
  .site-topbar{height:34px;font-size:12px;}
  .site-topbar__right .site-topbar__link--hide{display:none;}
  .site-nav{height:60px;}
  .site-section{padding:48px 0;}
  .site-section__title{font-size:22px;}
  .site-article-head h1{font-size:28px;}
  .site-article__body{padding:22px 18px;font-size:17px;}
  .site-article__body h2{font-size:20px;}
  .site-related__list{grid-template-columns:1fr;}
  .site-postnav{grid-template-columns:1fr;}
  .site-cta{padding:28px 22px;border-radius:var(--r-lg);}
  .site-cta h2{font-size:22px;}
  .site-footer__grid{grid-template-columns:1fr;}
  .site-breadcrumb .current{max-width:180px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .site-post:hover,.pmo-card:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --brand-700:#0A6F6E;--brand-600:#0B8C89;--brand-500:#0FA3A0;--brand-400:#35BFB4;
  --brand-200:#A9E3DC;--brand-050:#EAF6F4;
  --accent-600:#E8622C;--accent-500:#FF7A45;
  --gold-400:#F5B841;--gold-050:#FFF6E3;
  --ink-900:#0B2426;--ink-700:#14393C;
  --text-800:#10262A;--text-600:#4A6569;--text-500:#7C9296;
  --line:#DCE9E7;--white:#FFFFFF;--page:#F6FBF9;--alt:#EDF5F3;
  --success:#2FA36B;--warn:#F5B841;--danger:#E5544B;
  --r-sm:10px;--r-md:14px;--r-lg:20px;--r-xl:28px;--r-pill:999px;
  --sh-sm:0 2px 8px rgba(11,60,58,.06);
  --sh-md:0 8px 22px rgba(11,60,58,.09);
  --sh-lg:0 18px 40px rgba(11,60,58,.14);
  --sh-accent:0 10px 26px rgba(255,122,69,.32);
  --ease:cubic-bezier(.22,.61,.36,1);
  --grad-brand:linear-gradient(135deg,#0B8C89 0%,#16B4A6 55%,#58D8C0 100%);
  --grad-warm:linear-gradient(120deg,#FF7A45 0%,#F5B841 100%);
  --sec-pad:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body.site-body{
  margin:0;padding:0;background:var(--page);color:var(--text-800);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;font-weight:400;letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:16px;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4{margin:0;color:var(--text-800);line-height:1.25;font-weight:700;letter-spacing:0;}
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:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}
.site-container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
.grid-container.site-container{padding-left:20px;padding-right:20px;}
.site-section{padding:var(--sec-pad) 0;}
.site-section--alt{background:var(--alt);}
.site-section__head{max-width:760px;margin-bottom:40px;}
.site-section__head h2{font-size:30px;font-weight:800;}
.site-section__lead{margin-top:14px;font-size:16px;color:var(--text-600);line-height:1.8;}

/* ---------- 顶部信息条 ---------- */
.site-topbar{background:var(--ink-900);color:#CFE6E3;font-size:12.5px;}
.site-topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.site-topbar__left{display:flex;align-items:center;gap:10px;min-width:0;}
.site-topbar__dot{width:7px;height:7px;border-radius:50%;background:var(--brand-400);box-shadow:0 0 0 3px rgba(53,191,180,.22);flex:none;}
.site-topbar__sep{color:rgba(255,255,255,.25);}
.site-topbar__right{display:flex;align-items:center;gap:18px;}
.site-topbar__link{color:#CFE6E3;font-size:12.5px;display:inline-flex;align-items:center;gap:6px;}
.site-topbar__link:hover{color:#fff;}
.site-topbar__link i{font-size:11px;}

/* ---------- 主导航 ---------- */
.site-header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60;transition:box-shadow .22s var(--ease);}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.site-nav__inner{display:flex;align-items:center;gap:20px;height:68px;transition:height .22s var(--ease);}
.site-header.is-scrolled .site-nav__inner{height:62px;}
.pmo-logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
.pmo-logo__mark{width:36px;height:36px;border-radius:12px;background:var(--grad-brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;box-shadow:var(--sh-sm);}
.pmo-logo__text{display:flex;flex-direction:column;line-height:1.15;}
.pmo-logo__text strong{font-size:17px;font-weight:800;color:var(--text-800);letter-spacing:0;}
.pmo-logo__text em{font-style:normal;font-size:11.5px;color:var(--brand-600);font-weight:600;letter-spacing:.02em;}
.site-nav__menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.site-nav__item{padding:10px 14px;border-radius:var(--r-sm);font-size:15px;color:var(--text-600);font-weight:500;position:relative;white-space:nowrap;transition:color .2s var(--ease),background-color .2s var(--ease);}
.site-nav__item:hover{color:var(--brand-700);background:var(--brand-050);}
.site-nav__item.is-active{color:var(--brand-700);font-weight:700;background:var(--brand-050);}
.site-nav__item.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--brand-500);}
.site-nav__cta{flex:none;}
.site-nav__cta-mobile{display:none;flex:none;}
.site-nav__burger{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;align-items:center;justify-content:center;color:var(--text-800);cursor:pointer;}

/* ---------- 按钮 ---------- */
.pmo-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;font-weight:600;border-radius:var(--r-pill);text-align:center;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),filter .2s var(--ease);}
.pmo-btn--lg{height:52px;padding:0 28px;font-size:16px;}
.pmo-btn--md{height:44px;padding:0 22px;font-size:15px;}
.pmo-btn--sm{height:36px;padding:0 16px;font-size:14px;}
.pmo-btn--primary{background:var(--grad-warm);color:#fff;box-shadow:var(--sh-accent);}
.pmo-btn--primary:hover{filter:brightness(1.05);color:#fff;transform:translateY(-2px);}
.pmo-btn--primary:active{transform:translateY(1px);box-shadow:none;}
.pmo-btn--ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.7);}
.pmo-btn--ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.pmo-btn--second{background:var(--brand-050);color:var(--brand-700);border:1px solid var(--brand-200);}
.pmo-btn--second:hover{background:#fff;border-color:var(--brand-400);color:var(--brand-700);transform:translateY(-2px);}
.pmo-btn--outline{background:#fff;color:var(--text-800);border:1px solid var(--line);}
.pmo-btn--outline:hover{border-color:var(--brand-400);color:var(--brand-700);}
.pmo-btn.is-full{width:100%;}
.pmo-textlink{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand-700);font-size:15px;}
.pmo-textlink i{font-size:12px;transition:transform .2s var(--ease);}
.pmo-textlink:hover i{transform:translateX(2px);}

/* ---------- 徽章 ---------- */
.pmo-badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;line-height:1;white-space:nowrap;}
.pmo-badge::before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor;flex:none;}
.pmo-badge--brand{background:var(--brand-050);color:var(--brand-700);}
.pmo-badge--gold{background:var(--gold-050);color:#9A6B08;}
.pmo-badge--dark{background:rgba(255,255,255,.14);color:#DDF3F0;}
.pmo-badge--line{background:#fff;color:var(--brand-700);border:1px solid var(--brand-200);}
.pmo-badge--onlight{background:rgba(255,255,255,.18);color:#fff;}
.pmo-badge--onlight::before{background:var(--gold-400);}

/* ---------- 面包屑 ---------- */
.site-crumbs{background:#fff;border-bottom:1px solid var(--line);}
.site-crumbs__inner{display:flex;align-items:center;min-height:52px;}
ul.breadcrumbs.pmo-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0;background:transparent;border:0;list-style:none;}
ul.breadcrumbs.pmo-crumbs li{float:none;margin:0;font-size:13.5px;color:var(--text-500);}
ul.breadcrumbs.pmo-crumbs li+li::before{content:"/";color:#C3D6D3;margin-right:8px;float:none;position:static;display:inline;font-size:13.5px;}
ul.breadcrumbs.pmo-crumbs li a{color:var(--text-600);}
ul.breadcrumbs.pmo-crumbs li a:hover{color:var(--brand-700);}
ul.breadcrumbs.pmo-crumbs li span{color:var(--brand-700);font-weight:600;}

/* ---------- Hero（压缩） ---------- */
.site-hero{position:relative;background:var(--grad-brand);color:#fff;overflow:hidden;min-height:420px;display:flex;align-items:center;padding:56px 0;}
.site-hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 18% 24%,rgba(255,255,255,.18),transparent 44%),
                   radial-gradient(circle at 82% 74%,rgba(255,255,255,.13),transparent 42%),
                   repeating-linear-gradient(135deg,rgba(255,255,255,.06) 0 1px,transparent 1px 14px);}
.site-hero__grid{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:40px;align-items:center;width:100%;}
.site-hero__badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.site-hero h1{font-size:44px;font-weight:800;color:#fff;line-height:1.22;letter-spacing:0;}
.site-hero h1 span{display:block;font-size:19px;font-weight:600;color:rgba(255,255,255,.88);margin-top:12px;line-height:1.5;letter-spacing:.01em;}
.site-hero__lead{margin-top:18px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.9);max-width:600px;}
.site-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.site-hero__media{position:relative;}
.site-hero__media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-lg);border:1px solid rgba(255,255,255,.35);}
.site-hero__float{position:absolute;left:-14px;bottom:-18px;background:#fff;border-radius:var(--r-md);padding:12px 16px;box-shadow:var(--sh-lg);display:flex;align-items:center;gap:10px;}
.site-hero__float strong{font-size:15px;font-weight:800;color:var(--text-800);font-variant-numeric:tabular-nums;}
.site-hero__float span{font-size:12px;color:var(--text-500);display:block;line-height:1.4;}

/* ---------- 实时状态条 ---------- */
.pmo-statusband{background:#fff;border-bottom:1px solid var(--line);padding:18px 0;}
.pmo-statusband__inner{display:flex;flex-wrap:wrap;align-items:center;gap:14px 28px;}
.pmo-statusband__live{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--brand-700);}
.pmo-statusband__pulse{width:9px;height:9px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(47,163,107,.16);}
.pmo-statusband__items{display:flex;flex-wrap:wrap;gap:12px;}
.pmo-statusband__item{font-size:13px;color:var(--text-600);display:inline-flex;align-items:center;gap:7px;}
.pmo-statusband__item i{color:var(--brand-500);font-size:12px;}

/* ---------- 时间轴 ---------- */
.pmo-timeline{position:relative;padding-left:6px;}
.pmo-timeline::before{content:"";position:absolute;left:19px;top:14px;bottom:26px;width:2px;background:linear-gradient(180deg,var(--brand-400),var(--brand-200));}
.pmo-timeline__item{position:relative;padding-left:64px;margin-bottom:36px;}
.pmo-timeline__item:last-child{margin-bottom:0;}
.pmo-timeline__dot{position:absolute;left:0;top:2px;width:40px;height:40px;border-radius:50%;background:var(--brand-500);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;box-shadow:0 0 0 4px var(--brand-050);}
.pmo-step{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);padding:24px;display:grid;grid-template-columns:1fr 208px;gap:24px;align-items:center;transition:transform .22s var(--ease),box-shadow .22s var(--ease);}
.pmo-step:hover{transform:translateY(-3px);box-shadow:var(--sh-md);}
.pmo-step--reverse .pmo-step__text{order:2;}
.pmo-step--reverse .pmo-step__media{order:1;}
.pmo-step__text h3{font-size:19px;font-weight:700;margin-bottom:10px;}
.pmo-step__text p{font-size:15px;color:var(--text-600);line-height:1.8;}
.pmo-step__media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-md);}
.pmo-check{margin-top:14px;display:grid;gap:8px;}
.pmo-check li{font-size:13.5px;color:var(--text-600);display:flex;align-items:flex-start;gap:8px;}
.pmo-check li i{color:var(--brand-500);font-size:12px;margin-top:5px;flex:none;}

/* ---------- 侧栏信息卡 ---------- */
.pmo-sidecard{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-md);padding:26px;}
.pmo-sidecard h3{font-size:18px;margin-bottom:6px;}
.pmo-sidecard__sub{font-size:13px;color:var(--text-500);margin-bottom:18px;}
.pmo-params{display:grid;gap:14px;margin-bottom:22px;}
.pmo-params li{display:flex;flex-direction:column;gap:6px;padding-bottom:14px;border-bottom:1px dashed var(--line);}
.pmo-params li:last-child{border-bottom:0;padding-bottom:0;}
.pmo-params__val{font-size:15px;font-weight:600;color:var(--text-800);font-variant-numeric:tabular-nums;}
.pmo-params__val small{font-size:12.5px;font-weight:400;color:var(--text-500);margin-left:6px;}
.pmo-sidecard__note{margin-top:14px;font-size:12.5px;color:var(--text-500);line-height:1.7;}
.pmo-sidecard__link{display:block;margin-top:12px;font-size:13.5px;}

/* ---------- CTA 条 ---------- */
.pmo-ctaband{background:var(--ink-900);border-radius:var(--r-xl);padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;position:relative;overflow:hidden;}
.pmo-ctaband::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 88% 18%,rgba(53,191,180,.25),transparent 50%);pointer-events:none;}
.pmo-ctaband__text{position:relative;z-index:2;max-width:640px;}
.pmo-ctaband__text h2{color:#fff;font-size:26px;margin:14px 0 10px;}
.pmo-ctaband__text p{color:rgba(255,255,255,.78);font-size:15px;line-height:1.8;}
.pmo-ctaband__action{position:relative;z-index:2;flex:none;}

/* ---------- FAQ ---------- */
.pmo-faq-wrap{max-width:900px;margin:0 auto;}
ul.accordion.pmo-faq{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#fff;box-shadow:var(--sh-sm);list-style:none;margin:0;}
ul.accordion.pmo-faq .accordion-item{border-bottom:1px solid var(--line);}
ul.accordion.pmo-faq .accordion-item:last-child{border-bottom:0;}
ul.accordion.pmo-faq .accordion-title{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:17px;font-weight:600;color:var(--text-800);background:#fff;border:0;line-height:1.5;transition:background-color .2s var(--ease);}
ul.accordion.pmo-faq .accordion-title:hover{background:var(--brand-050);color:var(--brand-700);}
ul.accordion.pmo-faq .accordion-title::before,
ul.accordion.pmo-faq .accordion-title::after{content:none;display:none;}
ul.accordion.pmo-faq .pmo-faq__icon{width:26px;height:26px;border-radius:50%;border:1px solid var(--brand-200);color:var(--brand-600);display:flex;align-items:center;justify-content:center;font-size:14px;flex:none;transition:transform .22s var(--ease),background-color .22s var(--ease);}
ul.accordion.pmo-faq .accordion-title[aria-expanded="true"] .pmo-faq__icon{transform:rotate(45deg);background:var(--brand-050);}
ul.accordion.pmo-faq .accordion-content{padding:20px 24px;background:var(--brand-050);border:0;font-size:15px;line-height:1.85;color:var(--text-600);}
ul.accordion.pmo-faq .accordion-content p+p{margin-top:12px;}

/* ---------- 分类小卡 ---------- */
.pmo-catgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.pmo-catcard{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-sm);display:flex;flex-direction:column;gap:10px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);}
.pmo-catcard:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:var(--brand-200);}
.pmo-catcard i.pmo-catcard__ico{width:40px;height:40px;border-radius:12px;background:var(--brand-050);color:var(--brand-600);display:flex;align-items:center;justify-content:center;font-size:16px;}
.pmo-catcard h3{font-size:16.5px;}
.pmo-catcard p{font-size:13.5px;color:var(--text-500);line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:#B9CFCC;padding:72px 0 0;margin-top:0;}
.site-footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}
.site-footer h4{color:#EAF6F4;font-size:14px;font-weight:600;margin-bottom:16px;}
.site-footer a{display:block;color:#B9CFCC;font-size:14px;line-height:2.1;transition:color .2s var(--ease),transform .2s var(--ease);}
.site-footer a:hover{color:#fff;transform:translateX(-2px);}
.site-footer .pmo-logo__text strong{color:#fff;}
.site-footer .pmo-logo__text em{color:var(--brand-200);}
.site-footer__desc{margin-top:16px;font-size:13.5px;line-height:1.85;color:#9DBBB7;max-width:340px;}
.site-footer__meta{margin-top:12px;font-size:13px;color:#8AA8A5;}
.site-footer__bottom{margin-top:52px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:#8AA8A5;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sec-pad:64px;}
  .site-nav__menu{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh-md);flex-direction:column;align-items:stretch;padding:8px 20px 18px;gap:2px;display:none;}
  .site-nav__menu.is-open{display:flex;}
  .site-nav__item{font-size:17px;line-height:52px;padding:0 12px;}
  .site-nav__item.is-active::after{display:none;}
  .site-nav__burger{display:inline-flex;margin-left:auto;}
  .site-nav__cta{display:none;}
  .site-nav__cta-mobile{display:inline-flex;}
  .site-nav__inner{position:relative;gap:12px;}
  .site-hero{min-height:auto;padding:48px 0;}
  .site-hero__grid{grid-template-columns:1fr;gap:32px;}
  .site-hero h1{font-size:34px;}
  .site-hero__media img{aspect-ratio:16/9;}
  .pmo-step{grid-template-columns:1fr;}
  .pmo-step--reverse .pmo-step__text{order:1;}
  .pmo-step--reverse .pmo-step__media{order:2;}
  .pmo-sidecard{position:static;}
  .pmo-catgrid{grid-template-columns:repeat(2,1fr);}
  .site-footer__grid{grid-template-columns:1.3fr 1fr 1fr;gap:32px;}
}
@media (max-width:639px){
  :root{--sec-pad:48px;}
  .site-topbar__inner{height:34px;}
  .site-topbar__right .site-topbar__link:last-child{display:none;}
  .site-hero h1{font-size:28px;}
  .site-hero h1 span{font-size:16px;}
  .pmo-logo__text strong{font-size:15.5px;}
  .pmo-logo__text em{font-size:10.5px;white-space:nowrap;}
  .pmo-logo__mark{width:32px;height:32px;border-radius:10px;font-size:15px;}
  .pmo-timeline{padding-left:0;}
  .pmo-timeline::before{left:15px;}
  .pmo-timeline__item{padding-left:46px;}
  .pmo-timeline__dot{width:32px;height:32px;font-size:12.5px;}
  .pmo-step{padding:20px;}
  .pmo-ctaband{padding:28px 22px;flex-direction:column;align-items:flex-start;border-radius:var(--r-lg);}
  .pmo-ctaband__action{width:100%;}
  .pmo-ctaband__action .pmo-btn{width:100%;}
  .pmo-catgrid{grid-template-columns:1fr;}
  .site-footer__grid{grid-template-columns:1fr;gap:28px;}
  .site-footer__bottom{flex-direction:column;}
  .site-section__head h2{font-size:22px;}
  .pmo-ctaband__text h2{font-size:22px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .pmo-step:hover,.pmo-catcard:hover,.pmo-btn:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --brand-700:#0A6F6E;
  --brand-600:#0B8C89;
  --brand-500:#0FA3A0;
  --brand-400:#35BFB4;
  --brand-200:#A9E3DC;
  --brand-050:#EAF6F4;
  --accent-600:#E8622C;
  --accent-500:#FF7A45;
  --gold-400:#F5B841;
  --gold-050:#FFF6E3;
  --ink-900:#0B2426;
  --ink-700:#14393C;
  --text-800:#10262A;
  --text-600:#4A6569;
  --text-500:#7C9296;
  --line:#DCE9E7;
  --white:#FFFFFF;
  --page:#F6FBF9;
  --alt:#EDF5F3;
  --success:#2FA36B;
  --danger:#E5544B;
  --radius-sm:10px;
  --radius-md:14px;
  --radius-lg:20px;
  --radius-xl:28px;
  --pill:999px;
  --shadow-sm:0 2px 8px rgba(11,60,58,.06);
  --shadow-md:0 8px 22px rgba(11,60,58,.09);
  --shadow-lg:0 18px 40px rgba(11,60,58,.14);
  --shadow-cta:0 10px 26px rgba(255,122,69,.32);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}

body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-800);
  background:var(--page);
  letter-spacing:0;
}

img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-700);}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--text-800);}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:16px;}

.pmo-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

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

.site-section{padding:88px 0;}
.site-section--alt{background:var(--white);}
.site-section__head{max-width:760px;margin-bottom:40px;}
.site-section__eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--brand-600);
  background:var(--brand-050);border:1px solid var(--brand-200);
  padding:5px 14px;border-radius:var(--pill);margin-bottom:16px;
}
.site-section__title{font-size:30px;font-weight:800;margin-bottom:14px;}
.site-section__desc{font-size:16px;color:var(--text-600);margin:0;}

/* ===== 按钮系统 ===== */
.pmo-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--pill);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.pmo-btn--lg{height:52px;padding:0 28px;font-size:16px;}
.pmo-btn--sm{height:38px;padding:0 16px;font-size:14px;}
.pmo-btn--primary{
  background:linear-gradient(120deg,var(--accent-500),var(--accent-600));
  color:#fff;box-shadow:var(--shadow-cta);
}
.pmo-btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,122,69,.36);}
.pmo-btn--primary:active{transform:translateY(0);}
.pmo-btn--ghost{
  background:transparent;border-color:rgba(255,255,255,.7);color:#fff;
}
.pmo-btn--ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.pmo-btn--secondary{
  background:var(--brand-050);border-color:var(--brand-200);color:var(--brand-700);
}
.pmo-btn--secondary:hover{background:#fff;border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.pmo-btn--text{
  height:auto;padding:0;color:var(--brand-600);background:none;box-shadow:none;
}
.pmo-btn--text i{transition:transform .2s var(--ease);}
.pmo-btn--text:hover i{transform:translateX(3px);}
.pmo-btn:disabled,.pmo-btn.is-disabled{opacity:.6;box-shadow:none;cursor:not-allowed;}
.pmo-btn--block{width:100%;}

/* ===== 徽章 / 标签 ===== */
.pmo-badge{
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 12px;border-radius:var(--pill);
  font-size:13px;font-weight:600;line-height:1;
}
.pmo-badge::before{
  content:"";width:6px;height:6px;border-radius:50%;background:currentColor;flex:0 0 auto;
}
.pmo-badge--brand{background:var(--brand-050);color:var(--brand-700);border:1px solid var(--brand-200);}
.pmo-badge--gold{background:var(--gold-050);color:#9A6B0C;border:1px solid #F3DFB0;}
.pmo-badge--outline{background:#fff;color:var(--brand-700);border:1px solid var(--brand-200);}
.pmo-badge--light{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.32);}
.pmo-badge__unit{font-size:11px;font-weight:500;opacity:.8;}

/* ===== 顶栏 ===== */
.site-topbar{
  background:var(--ink-900);
  color:#CFE3E1;
  font-size:12.5px;
  height:36px;
  display:flex;align-items:center;
}
.site-topbar .site-container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.site-topbar__left{display:flex;align-items:center;gap:10px;min-width:0;}
.site-topbar__dot{
  width:7px;height:7px;border-radius:50%;background:var(--brand-400);
  box-shadow:0 0 0 3px rgba(53,191,180,.2);
}
.site-topbar__text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.site-topbar__right{display:flex;align-items:center;gap:18px;}
.site-topbar__right a{color:#E4F3F1;font-size:12.5px;display:inline-flex;align-items:center;gap:6px;}
.site-topbar__right a:hover{color:#fff;}

/* ===== 主导航 ===== */
.site-nav{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease),height .22s var(--ease);
}
.site-nav.is-stuck{box-shadow:var(--shadow-md);}
.site-nav__inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:68px;transition:height .22s var(--ease);
}
.site-nav.is-stuck .site-nav__inner{height:62px;}

.pmo-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.pmo-logo__mark{
  width:38px;height:38px;border-radius:var(--radius-md);
  background:linear-gradient(135deg,var(--brand-600),var(--brand-400));
  color:#fff;font-size:18px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-sm);
}
.pmo-logo__text{display:flex;flex-direction:column;line-height:1.1;}
.pmo-logo__text strong{font-size:17px;font-weight:800;color:var(--text-800);letter-spacing:.02em;}
.pmo-logo__text em{
  font-style:normal;font-size:11.5px;font-weight:600;color:var(--brand-600);letter-spacing:.02em;
}

.site-nav__menu{display:flex;align-items:center;gap:6px;}
.site-nav__item{
  position:relative;display:inline-flex;align-items:center;
  height:40px;padding:0 14px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:500;color:var(--text-600);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.site-nav__item::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  border-radius:2px;background:var(--brand-500);transform:scaleX(0);
  transform-origin:left;transition:transform .22s var(--ease);
}
.site-nav__item:hover{color:var(--brand-700);background:var(--brand-050);}
.site-nav__item:hover::after{transform:scaleX(1);}
.site-nav__item.is-active{color:var(--brand-700);font-weight:700;background:var(--brand-050);}
.site-nav__item.is-active::after{transform:scaleX(1);}

.site-nav__actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.site-nav__toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#fff;color:var(--text-800);
  font-size:17px;
}

/* ===== Hero ===== */
.pmo-hero{
  position:relative;
  padding:56px 0 64px;
  background-image:
    repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 2px,rgba(255,255,255,0) 2px 12px),
    linear-gradient(135deg,#0B8C89 0%,#16B4A6 52%,#58D8C0 100%);
  color:#fff;
  overflow:hidden;
}
.pmo-hero::after{
  content:"";position:absolute;inset:auto -60px -140px -60px;height:280px;
  background:radial-gradient(closest-side,rgba(255,255,255,.16),transparent);
  pointer-events:none;
}
.pmo-hero__grid{position:relative;z-index:1;}
.pmo-hero__copy{max-width:600px;}
.pmo-hero h1{
  font-size:46px;line-height:1.2;font-weight:800;color:#fff;
  margin:18px 0 18px;
}
.pmo-hero__lead{
  font-size:17px;line-height:1.8;color:rgba(255,255,255,.9);margin-bottom:28px;
}
.pmo-hero__badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:6px;}
.pmo-hero__actions{display:flex;flex-wrap:wrap;gap:14px;}
.pmo-hero__media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.pmo-hero__media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-lg);}
.pmo-hero__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,140,137,.06),rgba(11,36,38,.22));
}
.pmo-hero__float{
  position:absolute;left:16px;bottom:16px;right:16px;
  background:rgba(255,255,255,.95);
  border-radius:var(--radius-md);
  padding:12px 14px;
  display:flex;align-items:center;gap:12px;
  box-shadow:var(--shadow-md);
}
.pmo-hero__float img{
  width:56px;height:56px;border-radius:var(--radius-sm);object-fit:cover;aspect-ratio:1/1;
}
.pmo-hero__float strong{display:block;font-size:14px;color:var(--text-800);}
.pmo-hero__float span{font-size:12.5px;color:var(--text-500);}

.pmo-breadcrumbs{margin:0 0 6px;padding:0;background:none;border:0;}
.pmo-breadcrumbs li{font-size:13px;color:rgba(255,255,255,.82);text-transform:none;float:none;display:inline-block;}
.pmo-breadcrumbs li::before{
  content:"/";color:rgba(255,255,255,.5);margin:0 8px;
}
.pmo-breadcrumbs li:first-child::before{display:none;}
.pmo-breadcrumbs li a{color:rgba(255,255,255,.92);}
.pmo-breadcrumbs li a:hover{color:#fff;text-decoration:underline;}
.pmo-breadcrumbs li.current{color:rgba(255,255,255,.75);}

/* ===== 指标条 ===== */
.pmo-metrics{
  background:var(--white);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.pmo-metrics__grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
}
.pmo-metrics__item{
  padding:22px 20px;
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:6px;
}
.pmo-metrics__item:last-child{border-right:0;}
.pmo-metrics__value{
  font-size:26px;font-weight:800;color:var(--brand-700);
  display:flex;align-items:baseline;gap:4px;
}
.pmo-metrics__value small{font-size:13px;font-weight:600;color:var(--text-500);}
.pmo-metrics__label{font-size:13.5px;color:var(--text-600);}

/* ===== 锚点目录 + 详解 ===== */
.pmo-anchor{
  position:sticky;top:96px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md);
  padding:22px 20px;
}
.pmo-anchor__title{
  font-size:13px;font-weight:700;color:var(--text-500);
  letter-spacing:.08em;margin-bottom:14px;
}
.pmo-anchor__link{
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:var(--radius-sm);
  font-size:14.5px;color:var(--text-600);font-weight:500;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.pmo-anchor__link i{color:var(--brand-400);font-size:12px;transition:color .2s var(--ease);}
.pmo-anchor__link:hover{background:var(--brand-050);color:var(--brand-700);transform:translateX(3px);}
.pmo-anchor__link:hover i{color:var(--brand-600);}
.pmo-anchor__hint{
  margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:12.5px;color:var(--text-500);line-height:1.7;
}

.pmo-detail{display:block;}
.pmo-detail__group{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md);
  padding:28px;
  margin-bottom:28px;
  scroll-margin-top:96px;
}
.pmo-detail__row{display:flex;align-items:center;gap:28px;}
.pmo-detail__text{flex:1 1 0;min-width:0;}
.pmo-detail__media{flex:0 0 42%;max-width:42%;}
.pmo-detail__media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-md);
}
.pmo-detail__row.is-reverse{flex-direction:row-reverse;}
.pmo-detail__kicker{
  font-size:13px;font-weight:700;color:var(--brand-600);margin-bottom:8px;
  display:inline-flex;align-items:center;gap:8px;
}
.pmo-detail__kicker span{
  width:22px;height:22px;border-radius:50%;background:var(--brand-050);color:var(--brand-700);
  font-size:12px;display:inline-flex;align-items:center;justify-content:center;
}
.pmo-detail h2{font-size:23px;margin-bottom:12px;}
.pmo-detail p{color:var(--text-600);margin-bottom:0;}
.pmo-detail__list{margin-top:16px;display:grid;gap:10px;}
.pmo-detail__list li{
  display:flex;gap:10px;font-size:14.5px;color:var(--text-600);
}
.pmo-detail__list li i{color:var(--brand-500);margin-top:5px;}
.pmo-detail__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}

/* ===== 特性图标行 ===== */
.pmo-feature-row{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;margin-top:8px;
}
.pmo-feature{
  display:flex;flex-direction:column;gap:10px;
  padding:20px 18px;border-left:3px solid var(--brand-200);
  background:var(--white);border-radius:0 var(--radius-md) var(--radius-md) 0;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.pmo-feature:hover{border-color:var(--brand-500);box-shadow:var(--shadow-sm);transform:translateY(-2px);}
.pmo-feature__icon{
  width:38px;height:38px;border-radius:var(--radius-sm);
  background:var(--brand-050);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-size:16px;
}
.pmo-feature__name{font-size:15px;font-weight:700;}
.pmo-feature__desc{font-size:13.5px;color:var(--text-500);line-height:1.7;}

/* ===== FAQ ===== */
.pmo-accordion{border:0;background:none;margin:0;}
.pmo-accordion li.accordion-item{
  border:1px solid var(--line);border-radius:var(--radius-md);
  background:var(--white);margin-bottom:14px;overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.pmo-accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:62px;padding:16px 22px;
  font-size:16px;font-weight:600;color:var(--text-800);
  border:0;background:none;
}
.pmo-accordion .accordion-title:hover{background:var(--brand-050);color:var(--brand-700);}
.pmo-accordion .accordion-title .fa-chevron-down{
  font-size:13px;color:var(--brand-600);transition:transform .22s var(--ease);flex:0 0 auto;
}
.pmo-accordion .is-active > .accordion-title .fa-chevron-down{transform:rotate(180deg);}
.pmo-accordion .accordion-content{
  padding:0;border:0;
}
.pmo-accordion .accordion-content p{
  margin:0;padding:18px 22px 22px;font-size:15px;
  line-height:1.85;color:var(--text-600);
  background:var(--brand-050);
}

/* ===== CTA 条 ===== */
.pmo-cta{
  background-image:
    repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 2px,rgba(255,255,255,0) 2px 12px),
    linear-gradient(135deg,#0B8C89,#16B4A6 60%,#58D8C0);
  border-radius:var(--radius-xl);
  padding:44px 40px;
  color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-lg);
}
.pmo-cta__text{max-width:620px;}
.pmo-cta h2{color:#fff;font-size:26px;margin-bottom:12px;}
.pmo-cta p{color:rgba(255,255,255,.9);margin:0;font-size:15.5px;}
.pmo-cta__actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink-900);color:#9FB9B7;padding:64px 0 0;}
.site-footer__grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:36px;padding-bottom:44px;
}
.site-footer h4{font-size:14px;font-weight:600;color:#E4F3F1;margin-bottom:16px;}
.site-footer a{
  display:block;font-size:14px;color:#9FB9B7;padding:5px 0;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.site-footer a:hover{color:#fff;transform:translateX(2px);}
.site-footer__desc{font-size:13.5px;line-height:1.8;color:#8FA9A7;margin:16px 0 12px;max-width:340px;}
.site-footer__meta{font-size:12.5px;color:#7B9593;margin:0;}
.site-footer .pmo-logo__text strong{color:#fff;}
.site-footer .pmo-logo__text em{color:var(--brand-200);}
.site-footer__bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:12.5px;color:#7B9593;flex-wrap:wrap;
}

/* ===== 响应式 ===== */
@media screen and (max-width:1439px){
  .site-container{max-width:1200px;}
}
@media screen and (max-width:1023px){
  .site-section{padding:64px 0;}
  .pmo-hero h1{font-size:34px;}
  .site-section__title{font-size:26px;}
  .site-nav__menu{
    display:none;
    position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md);
    flex-direction:column;align-items:stretch;gap:0;
    padding:8px 20px 20px;
  }
  .site-nav__menu.is-open{display:flex;}
  .site-nav__item{
    height:52px;border-radius:0;font-size:17px;padding:0 4px;
    border-bottom:1px solid var(--line);
  }
  .site-nav__item::after{display:none;}
  .site-nav__toggle{display:inline-flex;align-items:center;justify-content:center;}
  .site-nav .pmo-btn--primary{display:none;}
  .pmo-metrics__grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .pmo-metrics__item:nth-child(2){border-right:0;}
  .pmo-metrics__item:nth-child(1),
  .pmo-metrics__item:nth-child(2){border-bottom:1px solid var(--line);}
  .pmo-anchor{position:static;margin-bottom:24px;}
  .pmo-feature-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .site-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .pmo-cta{flex-direction:column;align-items:flex-start;padding:34px 28px;}
}
@media screen and (max-width:767px){
  .pmo-hero{padding:36px 0 44px;}
  .pmo-hero h1{font-size:30px;margin:14px 0 14px;}
  .pmo-hero__lead{font-size:15.5px;margin-bottom:22px;}
  .pmo-detail__row{flex-direction:column !important;gap:18px;}
  .pmo-detail__media{flex:1 1 auto;max-width:100%;width:100%;}
  .pmo-detail__group{padding:20px;margin-bottom:20px;}
  .site-section{padding:48px 0;}
  .site-section__title{font-size:22px;}
  .pmo-cta h2{font-size:22px;}
  .site-topbar{height:34px;font-size:12px;}
  .site-topbar__right a:nth-child(2){display:none;}
}
@media screen and (max-width:519px){
  .pmo-metrics__grid{grid-template-columns:1fr;}
  .pmo-metrics__item{border-right:0;border-bottom:1px solid var(--line);}
  .pmo-metrics__item:last-child{border-bottom:0;}
  .pmo-feature-row{grid-template-columns:1fr;}
  .site-footer__grid{grid-template-columns:1fr;gap:28px;}
  .pmo-hero h1{font-size:28px;}
  .pmo-hero__float{position:static;margin-top:12px;}
  .pmo-cta{padding:28px 20px;}
  .pmo-cta__actions{width:100%;}
  .pmo-cta__actions .pmo-btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .pmo-btn:hover,.pmo-detail__group:hover{transform:none !important;}
}

/* roulang page: category3 */
:root{
  --brand-700:#0A6F6E;
  --brand-600:#0B8C89;
  --brand-500:#0FA3A0;
  --brand-400:#35BFB4;
  --brand-200:#A9E3DC;
  --brand-050:#EAF6F4;
  --accent-600:#E8622C;
  --accent-500:#FF7A45;
  --gold-400:#F5B841;
  --gold-050:#FFF6E3;
  --ink-900:#0B2426;
  --ink-700:#14393C;
  --text-800:#10262A;
  --text-600:#4A6569;
  --text-500:#7C9296;
  --line:#DCE9E7;
  --white:#FFFFFF;
  --page:#F6FBF9;
  --alt:#EDF5F3;
  --success:#2FA36B;
  --warn:#F5B841;
  --danger:#E5544B;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(11,60,58,.06);
  --sh-md:0 8px 22px rgba(11,60,58,.09);
  --sh-lg:0 18px 40px rgba(11,60,58,.14);
  --sh-accent:0 10px 26px rgba(255,122,69,.32);
  --grad-brand:linear-gradient(135deg,#0B8C89 0%,#16B4A6 55%,#58D8C0 100%);
  --grad-warm:linear-gradient(120deg,#FF7A45 0%,#F5B841 100%);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:220ms var(--ease);
  --sp-1:16px;
  --sp-2:24px;
  --sp-3:32px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-800);
  background:var(--page);
  letter-spacing:0;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-600);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4{margin:0;color:var(--text-800);font-weight:700;line-height:1.25;letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}
.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1440px){.site-container{max-width:1320px;}}
.site-section{padding:88px 0;}
@media (max-width:1023px){.site-section{padding:64px 0;}}
@media (max-width:639px){.site-section{padding:48px 0;}}

/* ---------- 顶部信息条 ---------- */
.site-topbar{background:var(--ink-900);color:#BFD8D5;font-size:13px;}
.site-topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;}
.site-topbar__left{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.site-topbar__dot{width:8px;height:8px;border-radius:50%;background:var(--brand-400);display:inline-block;}
.site-topbar__label{color:#E5F4F2;font-weight:600;}
.site-topbar__domain{color:#8FB6B3;}
.site-topbar__right{display:flex;align-items:center;gap:18px;}
.site-topbar__link{color:#D7EDEA;display:inline-flex;align-items:center;gap:6px;}
.site-topbar__link:hover{color:#fff;}
.site-topbar__link i{font-size:11px;transition:transform var(--t);}
.site-topbar__link:hover i{transform:translateX(2px);}
@media (max-width:767px){
  .site-topbar{font-size:12px;}
  .site-topbar__inner{min-height:34px;}
  .site-topbar__right .site-topbar__link--minor{display:none;}
}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:saturate(140%) blur(6px);border-bottom:1px solid var(--line);transition:box-shadow var(--t);}
.site-header.is-stuck{box-shadow:var(--sh-md);}
.site-nav__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px;transition:min-height var(--t);}
.site-header.is-stuck .site-nav__inner{min-height:62px;}
.pmo-logo{display:inline-flex;align-items:center;gap:10px;}
.pmo-logo__mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  background:var(--grad-brand);color:#fff;font-weight:700;font-size:16px;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-sm);
}
.pmo-logo__text{display:flex;flex-direction:column;line-height:1.15;}
.pmo-logo__text strong{font-size:17px;font-weight:800;color:var(--text-800);letter-spacing:.02em;}
.pmo-logo__text em{font-style:normal;font-size:11px;color:var(--text-500);letter-spacing:.02em;}
.site-nav__menu{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.site-nav__item{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  font-size:15px;color:var(--text-600);border-radius:12px;transition:color var(--t),background var(--t);
}
.site-nav__item::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.site-nav__item:hover{color:var(--brand-700);background:var(--brand-050);}
.site-nav__item:hover::after{transform:scaleX(1);}
.site-nav__item.is-active{color:var(--brand-700);font-weight:600;background:var(--brand-050);}
.site-nav__item.is-active::after{transform:scaleX(1);}
.site-nav__actions{display:flex;align-items:center;gap:12px;}
.site-nav__burger{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;
  border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--text-800);cursor:pointer;
}
.site-nav__drawer{display:none;border-top:1px solid var(--line);background:#fff;}
.site-nav__drawer.is-open{display:block;}
.site-nav__drawer a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 20px;font-size:17px;color:var(--text-600);border-bottom:1px solid var(--line);
}
.site-nav__drawer a.is-active{color:var(--brand-700);font-weight:600;background:var(--brand-050);}
.site-nav__drawer .site-nav__drawer-cta{padding:16px 20px;}
@media (max-width:1023px){
  .site-nav__menu{display:none;}
  .site-nav__burger{display:inline-flex;}
  .site-nav__actions .pmo-btn{display:none;}
}

/* ---------- 按钮 ---------- */
.pmo-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;cursor:pointer;font-weight:600;border-radius:var(--r-pill);
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.pmo-btn--lg{min-height:52px;padding:0 28px;font-size:16px;}
.pmo-btn--md{min-height:44px;padding:0 22px;font-size:15px;}
.pmo-btn--sm{min-height:36px;padding:0 18px;font-size:14px;}
.pmo-btn--primary{background:var(--grad-warm);color:#fff;box-shadow:var(--sh-accent);}
.pmo-btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,122,69,.38);}
.pmo-btn--primary:active{transform:translateY(0);}
.pmo-btn--ghost{background:transparent;color:var(--brand-700);border:1px solid var(--brand-200);}
.pmo-btn--ghost:hover{background:var(--brand-050);color:var(--brand-700);transform:translateY(-2px);}
.pmo-btn--outline-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55);}
.pmo-btn--outline-light:hover{background:rgba(255,255,255,.14);color:#fff;}
.pmo-btn--text{background:transparent;color:var(--brand-600);padding:0;min-height:auto;}
.pmo-btn--text i{transition:transform var(--t);font-size:12px;}
.pmo-btn--text:hover{color:var(--brand-700);}
.pmo-btn--text:hover i{transform:translateX(3px);}
.pmo-btn:disabled,.pmo-btn[disabled]{opacity:.6;box-shadow:none;cursor:not-allowed;}

/* ---------- 徽章 ---------- */
.pmo-badge{
  display:inline-flex;align-items:center;gap:6px;min-height:28px;padding:3px 12px;
  border-radius:var(--r-pill);font-size:13px;font-weight:600;line-height:1.4;
}
.pmo-badge__dot{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.85;}
.pmo-badge--brand{background:var(--brand-050);color:var(--brand-700);}
.pmo-badge--gold{background:var(--gold-050);color:#9A6B08;}
.pmo-badge--outline{background:transparent;color:var(--ink-700);border:1px solid var(--brand-200);}
.pmo-badge__num{font-variant-numeric:tabular-nums;font-weight:700;}
.pmo-badge__unit{font-size:12px;opacity:.8;font-weight:400;}

/* ---------- 面包屑 ---------- */
.site-crumb{padding:20px 0 0;}
.site-crumb ul{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-500);}
.site-crumb li::after{content:"/";margin-left:8px;color:var(--line);}
.site-crumb li:last-child::after{content:"";}
.site-crumb a{color:var(--text-500);}
.site-crumb a:hover{color:var(--brand-600);}
.site-crumb .is-current{color:var(--text-800);font-weight:600;}

/* ---------- Hero（居中窄栏） ---------- */
.site-hero-version{
  position:relative;overflow:hidden;
  background:var(--grad-brand);
  padding:56px 0 64px;
}
.site-hero-version::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 18% 22%,rgba(255,255,255,.35) 0,rgba(255,255,255,0) 42%),
                   radial-gradient(circle at 82% 78%,rgba(255,255,255,.22) 0,rgba(255,255,255,0) 46%);
  opacity:.7;pointer-events:none;
}
.site-hero-version__inner{position:relative;max-width:720px;margin:0 auto;text-align:center;color:#fff;}
.site-hero-version__badges{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:20px;}
.site-hero-version .pmo-badge--on-dark{background:rgba(255,255,255,.18);color:#fff;border:1px solid rgba(255,255,255,.32);}
.site-hero-version h1{
  color:#fff;font-size:44px;font-weight:800;line-height:1.25;
  margin-bottom:18px;text-shadow:0 2px 12px rgba(4,48,46,.18);
}
.site-hero-version__lead{font-size:17px;color:rgba(255,255,255,.92);line-height:1.8;margin-bottom:28px;}
.site-hero-version__cta{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}
@media (max-width:1023px){
  .site-hero-version{padding:48px 0 52px;}
  .site-hero-version h1{font-size:34px;}
}
@media (max-width:639px){
  .site-hero-version{padding:40px 0 44px;}
  .site-hero-version h1{font-size:28px;}
  .site-hero-version__lead{font-size:15px;}
  .site-hero-version__cta .pmo-btn{width:100%;}
}

/* ---------- 板块标题 ---------- */
.site-head{margin-bottom:36px;}
.site-head--center{text-align:center;max-width:760px;margin-left:auto;margin-right:auto;}
.site-head h2{font-size:30px;margin-bottom:14px;}
.site-head__desc{color:var(--text-600);font-size:16px;}
.site-head--center .site-head__desc{margin:0 auto;}
@media (max-width:1023px){.site-head h2{font-size:24px;}}
@media (max-width:639px){.site-head h2{font-size:22px;}.site-head__desc{font-size:15px;}}

/* ---------- 版本对比 ---------- */
.site-compare{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start;}
.pmo-version-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-md);overflow:hidden;position:relative;
  transition:transform var(--t),box-shadow var(--t);
}
.pmo-version-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.pmo-version-card::before{content:"";display:block;height:6px;background:var(--grad-brand);}
.pmo-version-card--app::before{background:var(--grad-warm);}
.pmo-version-card__head{padding:26px 28px 20px;border-bottom:1px solid var(--line);}
.pmo-version-card__title{display:flex;align-items:center;gap:10px;font-size:20px;margin-bottom:10px;}
.pmo-version-card__title i{color:var(--brand-500);font-size:18px;}
.pmo-version-card--app .pmo-version-card__title i{color:var(--accent-500);}
.pmo-version-card__note{font-size:14px;color:var(--text-600);}
.pmo-version-card__badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
.pmo-spec-list{padding:8px 0;}
.pmo-spec-row{
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:14px 28px;font-size:15px;
}
.pmo-spec-row:nth-child(odd){background:var(--alt);}
.pmo-spec-row__key{color:var(--text-600);flex:0 0 40%;}
.pmo-spec-row__val{color:var(--text-800);font-weight:600;text-align:right;flex:1;}
.pmo-spec-row__val .pmo-badge{margin-left:8px;font-weight:600;}
.pmo-version-card__foot{padding:20px 28px 28px;}
@media (max-width:1023px){
  .site-compare{grid-template-columns:1fr;gap:24px;}
}
@media (max-width:639px){
  .pmo-version-card__head{padding:22px 20px 16px;}
  .pmo-spec-row{padding:12px 20px;font-size:14px;flex-direction:column;gap:4px;}
  .pmo-spec-row__key{flex:none;font-size:13px;}
  .pmo-spec-row__val{text-align:left;}
  .pmo-version-card__foot{padding:16px 20px 22px;}
}

/* ---------- 中间提示条 ---------- */
.site-callout{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:var(--brand-050);border:1px solid var(--brand-200);border-radius:var(--r-lg);
  padding:24px 28px;margin-top:32px;
}
.site-callout__text{display:flex;align-items:flex-start;gap:14px;flex:1;min-width:260px;}
.site-callout__text i{color:var(--brand-600);font-size:20px;line-height:1.5;}
.site-callout__text h3{font-size:17px;margin-bottom:6px;}
.site-callout__text p{font-size:14px;color:var(--text-600);}

/* ---------- 设备适配列卡 ---------- */
.site-device-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.pmo-device-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);padding:28px 26px;transition:transform var(--t),box-shadow var(--t);
}
.pmo-device-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);}
.pmo-device-card__icon{
  width:48px;height:48px;border-radius:var(--r-md);background:var(--brand-050);
  color:var(--brand-600);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:18px;
}
.pmo-device-card h3{font-size:18px;margin-bottom:10px;}
.pmo-device-card p{font-size:15px;color:var(--text-600);margin-bottom:16px;}
.pmo-device-card ul{display:flex;flex-direction:column;gap:10px;}
.pmo-device-card li{display:flex;gap:10px;font-size:14px;color:var(--text-600);}
.pmo-device-card li i{color:var(--brand-500);font-size:13px;margin-top:5px;}
@media (max-width:1023px){.site-device-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:639px){.site-device-grid{grid-template-columns:1fr;}}

/* ---------- 深色说明条 ---------- */
.site-darkband{background:var(--ink-900);color:#D8EBE8;padding:44px 0;}
.site-darkband__inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.site-darkband__main{flex:1;min-width:280px;}
.site-darkband h2{color:#fff;font-size:22px;margin-bottom:12px;}
.site-darkband p{font-size:15px;color:#A9C6C3;line-height:1.85;}
.site-darkband__stats{display:flex;gap:14px;flex-wrap:wrap;}
.site-darkband .pmo-badge{background:rgba(255,255,255,.12);color:#E6F5F3;}
@media (max-width:639px){.site-darkband{padding:36px 0;}.site-darkband h2{font-size:19px;}}

/* ---------- CTA 条 ---------- */
.site-cta{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh-md);padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.site-cta__text{flex:1;min-width:260px;}
.site-cta h2{font-size:24px;margin-bottom:10px;}
.site-cta p{font-size:15px;color:var(--text-600);}
.site-cta__actions{display:flex;gap:14px;flex-wrap:wrap;}
@media (max-width:639px){
  .site-cta{padding:26px 22px;border-radius:var(--r-lg);}
  .site-cta h2{font-size:20px;}
  .site-cta__actions{width:100%;}
  .site-cta__actions .pmo-btn{width:100%;}
}

/* ---------- FAQ ---------- */
.site-faq{margin-top:8px;}
.site-faq .pmo-accordion{border:none;background:transparent;}
.pmo-accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-md);background:#fff;
  box-shadow:var(--sh-sm);margin-bottom:14px;overflow:hidden;
}
.pmo-accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:62px;padding:16px 22px;font-size:17px;font-weight:600;color:var(--text-800);
  border:none;background:#fff;transition:background var(--t),color var(--t);
}
.pmo-accordion .accordion-title:hover{background:var(--brand-050);color:var(--brand-700);}
.pmo-accordion .accordion-title::before{
  content:"\002B";order:2;flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  background:var(--brand-050);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:600;
  transition:transform var(--t),background var(--t),color var(--t);margin:0;
}
.pmo-accordion .accordion-item.is-active > .accordion-title{color:var(--brand-700);}
.pmo-accordion .accordion-item.is-active > .accordion-title::before{
  transform:rotate(45deg);background:var(--brand-500);color:#fff;
}
.pmo-accordion .accordion-content{
  background:var(--brand-050);border:none;padding:20px 24px;font-size:15px;line-height:1.85;color:var(--text-600);
}
.pmo-accordion .accordion-content p{font-size:15px;line-height:1.85;}

/* ---------- 表单 ---------- */
.pmo-form{display:grid;gap:20px;}
.pmo-field label{display:block;font-size:13px;font-weight:600;color:var(--text-800);margin-bottom:8px;}
.pmo-req::after{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--gold-400);margin-left:6px;vertical-align:2px;}
.pmo-field input[type="text"],.pmo-field input[type="email"],.pmo-field input[type="tel"],.pmo-field select,.pmo-field textarea{
  width:100%;min-height:48px;padding:12px 14px;background:#fff;border:1px solid var(--line);
  border-radius:12px;color:var(--text-800);transition:border-color var(--t),box-shadow var(--t);
}
.pmo-field textarea{min-height:120px;resize:vertical;line-height:1.75;}
.pmo-field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-500) 50%),linear-gradient(135deg,var(--text-500) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.pmo-field input:focus,.pmo-field select:focus,.pmo-field textarea:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(15,163,160,.14);
}
.pmo-check{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-600);}
.pmo-check input{margin-top:5px;width:16px;height:16px;accent-color:var(--brand-500);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:#A9C6C3;padding:64px 0 0;margin-top:8px;}
.site-footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.site-footer h4{color:#EAF6F4;font-size:14px;font-weight:600;margin-bottom:16px;letter-spacing:.02em;}
.site-footer a{display:block;color:#9DBFBB;font-size:14px;line-height:2.1;transition:color var(--t),transform var(--t);}
.site-footer a:hover{color:#fff;transform:translateX(2px);}
.site-footer .pmo-logo__text strong{color:#fff;}
.site-footer .pmo-logo__text em{color:#8FB6B3;}
.site-footer__desc{font-size:14px;line-height:1.9;color:#9DBFBB;margin:18px 0 12px;max-width:360px;}
.site-footer__meta{font-size:13px;color:#7FA3A0;line-height:1.9;}
.site-footer__bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7FA3A0;
}
@media (max-width:1023px){.site-footer__grid{grid-template-columns:1fr 1fr;}}
@media (max-width:639px){
  .site-footer{padding-top:48px;}
  .site-footer__grid{grid-template-columns:1fr;gap:28px;}
  .site-footer__bottom{flex-direction:column;align-items:flex-start;}
}

/* ---------- 动效可访问性 ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .pmo-version-card:hover,.pmo-device-card:hover,.pmo-btn:hover{transform:none !important;}
}

/* roulang page: category4 */
/* ============ 设计变量层 ============ */
:root{
  --brand-700:#0A6F6E;
  --brand-600:#0B8C89;
  --brand-500:#0FA3A0;
  --brand-400:#35BFB4;
  --brand-200:#A9E3DC;
  --brand-050:#EAF6F4;
  --accent-600:#E8622C;
  --accent-500:#FF7A45;
  --gold-400:#F5B841;
  --gold-050:#FFF6E3;
  --ink-900:#0B2426;
  --ink-700:#14393C;
  --text-800:#10262A;
  --text-600:#4A6569;
  --text-500:#7C9296;
  --line:#DCE9E7;
  --white:#FFFFFF;
  --page:#F6FBF9;
  --alt:#EDF5F3;
  --success:#2FA36B;
  --danger:#E5544B;
  --grad-brand:linear-gradient(135deg,#0B8C89 0%,#16B4A6 52%,#58D8C0 100%);
  --grad-warm:linear-gradient(120deg,#FF7A45 0%,#F5B841 100%);
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(11,60,58,.06);
  --sh-md:0 8px 22px rgba(11,60,58,.09);
  --sh-lg:0 18px 40px rgba(11,60,58,.14);
  --sh-warm:0 10px 26px rgba(255,122,69,.32);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:200ms;
  --gap:32px;
}
/* ============ reset / base 层 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-800);
  background:var(--page);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:16px;object-fit:cover;}
a{color:var(--brand-600);text-decoration:none;}
a:hover,a:focus{color:var(--brand-700);}
h1,h2,h3,h4{margin:0;line-height:1.25;color:var(--text-800);font-weight:700;letter-spacing:0;}
h1{font-size:44px;font-weight:800;}
h2{font-size:30px;}
h3{font-size:20px;}
h4{font-size:16px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}
::selection{background:var(--brand-200);color:var(--ink-900);}
.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1440px){.site-container{max-width:1320px;}}
/* ============ 按钮体系 ============ */
.pmo-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border:1px solid transparent;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
  white-space:nowrap;
}
.pmo-btn--lg{height:52px;padding:0 24px;font-size:16px;}
.pmo-btn--sm{height:36px;padding:0 16px;font-size:14px;}
.pmo-btn--primary{background:var(--grad-warm);color:#fff;box-shadow:var(--sh-warm);}
.pmo-btn--primary:hover{color:#fff;filter:brightness(1.05);box-shadow:0 12px 28px rgba(255,122,69,.38);}
.pmo-btn--primary:active{transform:translateY(1px);}
.pmo-btn--ghost{background:var(--white);color:var(--brand-700);border-color:var(--brand-200);box-shadow:var(--sh-sm);}
.pmo-btn--ghost:hover{color:var(--brand-700);background:var(--brand-050);border-color:var(--brand-400);}
.pmo-btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.pmo-btn--outline-light:hover{color:#fff;background:rgba(255,255,255,.12);}
.pmo-btn[disabled],.pmo-btn.is-disabled{opacity:.6;box-shadow:none;cursor:not-allowed;}
.pmo-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand-700);font-weight:600;font-size:15px;
}
.pmo-link::after{content:"→";transition:transform var(--dur) var(--ease);}
.pmo-link:hover::after{transform:translateX(2px);}
/* ============ 徽章 / 标签 ============ */
.pmo-badge{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;
  border-radius:var(--r-pill);font-size:13px;font-weight:600;line-height:1;
  background:var(--brand-050);color:var(--brand-700);border:1px solid transparent;
  font-variant-numeric:tabular-nums;
}
.pmo-badge::before{content:"";width:4px;height:4px;border-radius:50%;background:currentColor;opacity:.85;}
.pmo-badge--gold{background:var(--gold-050);color:#9A6B06;}
.pmo-badge--line{background:var(--white);color:var(--text-600);border-color:var(--line);}
.pmo-badge--line::before{background:var(--brand-400);}
.pmo-badge__num{font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;}
.pmo-badge__unit{font-size:11px;font-weight:500;opacity:.85;}
/* ============ 顶部信息条 ============ */
.site-topbar{background:var(--ink-900);color:#CFE6E3;font-size:12.5px;}
.site-topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;}
.site-topbar__label{display:inline-flex;align-items:center;gap:8px;color:#9FD8D2;}
.site-topbar__label .pmo-dot{width:6px;height:6px;border-radius:50%;background:var(--brand-400);box-shadow:0 0 0 4px rgba(53,191,180,.18);}
.site-topbar__domain{color:#7FA9A6;letter-spacing:.02em;}
.site-topbar__actions{display:flex;align-items:center;gap:18px;}
.site-topbar__actions a{color:#CFE6E3;font-size:12.5px;}
.site-topbar__actions a:hover{color:#fff;}
@media (max-width:639px){
  .site-topbar__actions a:not(:first-child){display:none;}
  .site-topbar__domain{display:none;}
}
/* ============ 主导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--white);border-bottom:1px solid var(--line);transition:box-shadow var(--dur) var(--ease);}
.site-header.is-stuck{box-shadow:var(--sh-md);}
.site-nav__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;transition:height var(--dur) var(--ease);}
.site-header.is-stuck .site-nav__inner{height:62px;}
.pmo-logo{display:inline-flex;align-items:center;gap:10px;color:var(--text-800);}
.pmo-logo__mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;
  box-shadow:0 6px 16px rgba(15,163,160,.28);flex:none;
}
.pmo-logo__text{display:flex;flex-direction:column;line-height:1.1;}
.pmo-logo__text strong{font-size:18px;font-weight:800;letter-spacing:.01em;}
.pmo-logo__text em{font-style:normal;font-size:12px;font-weight:500;color:var(--text-500);letter-spacing:.02em;}
.site-nav__menu{display:flex;align-items:center;gap:6px;}
.site-nav__item{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;border-radius:var(--r-sm);
  font-size:15px;font-weight:500;color:var(--text-600);transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.site-nav__item:hover{color:var(--brand-700);background:var(--brand-050);}
.site-nav__item.is-active{color:var(--brand-700);font-weight:700;background:var(--brand-050);}
.site-nav__item.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;background:var(--brand-500);
}
.site-nav__right{display:flex;align-items:center;gap:12px;}
.site-nav__toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--white);
  align-items:center;justify-content:center;padding:0;cursor:pointer;
}
.site-nav__toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-800);position:relative;}
.site-nav__toggle span::before,.site-nav__toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--text-800);}
.site-nav__toggle span::before{top:-6px;}
.site-nav__toggle span::after{top:6px;}
.site-nav__mobile{display:none;border-top:1px solid var(--line);background:var(--white);padding:12px 0 20px;}
.site-nav__mobile.is-open{display:block;}
.site-nav__mobile a{
  display:block;font-size:17px;line-height:52px;color:var(--text-800);padding:0 20px;border-radius:12px;
}
.site-nav__mobile a:hover,.site-nav__mobile a.is-active{background:var(--brand-050);color:var(--brand-700);font-weight:600;}
.site-nav__mobile .pmo-btn{margin:12px 20px 0;width:calc(100% - 40px);}
@media (max-width:1023px){
  .site-nav__menu{display:none;}
  .site-nav__toggle{display:inline-flex;}
  .site-nav__right .pmo-btn{display:none;}
}
@media (max-width:639px){
  .site-nav__inner{height:60px;gap:12px;}
  .pmo-logo__mark{width:34px;height:34px;font-size:16px;}
  .pmo-logo__text strong{font-size:16px;}
  .pmo-logo__text em{font-size:11px;}
}
/* ============ 面包屑 ============ */
.site-crumb{padding:20px 0 0;font-size:14px;color:var(--text-500);}
.site-crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0;list-style:none;}
.site-crumb li{display:inline-flex;align-items:center;gap:8px;}
.site-crumb li:not(:last-child)::after{content:"/";color:#B9CDCB;}
.site-crumb a{color:var(--text-600);}
.site-crumb a:hover{color:var(--brand-700);}
.site-crumb li[aria-current]{color:var(--text-800);font-weight:600;}
/* ============ Hero 窄栏 ============ */
.site-hero{background:var(--white);border-bottom:1px solid var(--line);padding:40px 0 48px;}
.site-hero__inner{max-width:760px;margin:0 auto;text-align:center;}
.pmo-hero-badges{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:18px;}
.site-hero h1{font-size:42px;margin-bottom:16px;}
.site-hero h1 .pmo-accent{color:var(--brand-600);}
.site-hero__lead{font-size:17px;color:var(--text-600);line-height:1.8;margin:0 auto 26px;max-width:640px;}
.pmo-search{display:flex;gap:10px;align-items:center;background:var(--page);border:1px solid var(--line);border-radius:var(--r-pill);padding:8px 8px 8px 20px;max-width:560px;margin:0 auto 12px;}
.pmo-search__icon{color:var(--brand-500);font-size:16px;flex:none;}
.pmo-search input{
  flex:1;height:40px;border:0;background:transparent;font-size:15px;color:var(--text-800);outline:none;min-width:0;
}
.pmo-search input::placeholder{color:var(--text-500);}
.pmo-search .pmo-btn{flex:none;}
.pmo-search__hint{font-size:13px;color:var(--text-500);margin-bottom:24px;}
@media (max-width:639px){
  .site-hero{padding:28px 0 36px;}
  .site-hero h1{font-size:28px;}
  .site-hero__lead{font-size:15.5px;}
  .pmo-search{padding:6px 6px 6px 16px;}
}
/* ============ Tabs 重绘为 pill ============ */
.pmo-pills{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;border:0;background:transparent;margin:0;}
.pmo-pills.tabs{border:0;}
.pmo-pills > li{float:none;margin:0;}
.pmo-pills > li > a{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--alt);color:var(--text-600);font-size:14.5px;font-weight:600;border:1px solid transparent;
  transition:all var(--dur) var(--ease);
}
.pmo-pills > li > a:hover{background:var(--brand-050);color:var(--brand-700);}
.pmo-pills > li.is-active > a,.pmo-pills > li > a[aria-selected="true"]{background:var(--brand-600);color:#fff;border-color:var(--brand-600);box-shadow:0 8px 18px rgba(11,140,137,.22);}
@media (max-width:639px){
  .pmo-pills{flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;padding-bottom:6px;-webkit-overflow-scrolling:touch;}
  .pmo-pills > li > a{height:38px;padding:0 15px;font-size:14px;white-space:nowrap;}
}
/* ============ 板块通用 ============ */
.site-section{padding:72px 0;}
.site-section--tight{padding:56px 0;}
.site-section--alt{background:var(--alt);}
.site-section__head{max-width:720px;margin-bottom:32px;}
.site-section__head--center{max-width:680px;margin:0 auto 36px;text-align:center;}
.site-section__head h2{margin-bottom:12px;}
.site-section__head p{color:var(--text-600);font-size:16px;}
.pmo-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-600);letter-spacing:.06em;margin-bottom:12px;}
.pmo-eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--brand-400);}
/* ============ FAQ 分组卡 ============ */
.pmo-faq-group{margin-bottom:32px;}
.pmo-faq-group__head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.pmo-faq-group__head h3{font-size:19px;}
/* ============ 手风琴重绘 ============ */
.pmo-accordion.accordion{
  background:transparent;border:0;border-radius:0;margin:0 0 18px;
  box-shadow:none;
}
.pmo-accordion .accordion-item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);margin-bottom:12px;overflow:hidden;
  transition:box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.pmo-accordion .accordion-item:hover{box-shadow:var(--sh-md);}
.pmo-accordion .accordion-item.is-active{border-color:var(--brand-200);box-shadow:var(--sh-md);}
.pmo-accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:62px;padding:16px 22px;border:0;background:var(--white);
  font-size:17px;font-weight:600;color:var(--text-800);line-height:1.5;
}
.pmo-accordion .accordion-title:hover,.pmo-accordion .accordion-title:focus{background:var(--brand-050);color:var(--brand-700);}
.pmo-accordion .accordion-title::before{
  content:"+";order:2;flex:none;width:26px;height:26px;border-radius:50%;
  background:var(--brand-050);color:var(--brand-700);font-weight:700;font-size:16px;line-height:26px;text-align:center;
  transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease),color var(--dur) var(--ease);
  margin:0;
}
.pmo-accordion .accordion-item.is-active > .accordion-title::before{content:"+";transform:rotate(45deg);background:var(--brand-600);color:#fff;}
.pmo-accordion .accordion-content{
  display:none;padding:20px 24px;background:var(--brand-050);border:0;border-top:1px solid var(--line);
  font-size:15.5px;line-height:1.85;color:var(--text-600);
}
.pmo-accordion .accordion-content.is-active{display:block;}
.pmo-accordion .accordion-content p{margin-bottom:12px;}
.pmo-accordion .accordion-content p:last-child{margin-bottom:0;}
.pmo-accordion .accordion-content ul{margin:10px 0 0;}
.pmo-accordion .accordion-content li{
  position:relative;padding-left:18px;margin-bottom:8px;color:var(--text-600);
}
.pmo-accordion .accordion-content li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--brand-400);
}
.pmo-faq-empty{
  display:none;padding:28px;border-radius:var(--r-lg);background:var(--alt);border:1px solid var(--line);
  text-align:center;color:var(--text-600);font-size:15px;
}
.pmo-faq-empty.is-visible{display:block;}
/* ============ CTA 卡（尾部） ============ */
.pmo-cta{
  background:var(--brand-050);border:1px solid var(--brand-200);border-radius:var(--r-xl);
  padding:36px;display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;
  box-shadow:var(--sh-md);
}
.pmo-cta h2{font-size:26px;margin-bottom:12px;}
.pmo-cta p{color:var(--text-600);font-size:15.5px;margin-bottom:20px;}
.pmo-cta__points{display:flex;flex-direction:column;gap:10px;margin-bottom:20px;}
.pmo-cta__points span{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;color:var(--text-600);}
.pmo-cta__points span::before{content:"✓";color:var(--brand-600);font-weight:700;}
.pmo-cta__form{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-md);
}
.pmo-form__row{margin-bottom:14px;}
.pmo-form label{display:block;font-size:13px;font-weight:600;color:var(--text-800);margin-bottom:7px;}
.pmo-form label .pmo-req{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--gold-400);margin-left:6px;vertical-align:middle;}
.pmo-form input[type="text"],.pmo-form input[type="email"],.pmo-form select,.pmo-form textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:12px;background:var(--white);
  font-size:15px;color:var(--text-800);outline:none;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
  font-family:inherit;
}
.pmo-form textarea{height:auto;min-height:92px;padding:12px 14px;resize:vertical;line-height:1.7;}
.pmo-form input:focus,.pmo-form select:focus,.pmo-form textarea:focus{border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(169,227,220,.55);}
.pmo-form select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-500) 50%),linear-gradient(135deg,var(--text-500) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.pmo-form__check{display:flex;align-items:flex-start;gap:9px;font-size:13.5px;color:var(--text-600);line-height:1.6;}
.pmo-form__check input{width:16px;height:16px;margin-top:3px;accent-color:var(--brand-600);}
.pmo-form .pmo-btn{width:100%;margin-top:4px;}
.pmo-form__note{font-size:12.5px;color:var(--text-500);margin-top:10px;}
@media (max-width:1023px){
  .pmo-cta{grid-template-columns:1fr;padding:28px;}
}
/* ============ 关联分类小卡 ============ */
.pmo-relate{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.pmo-relate__card{
  display:flex;flex-direction:column;gap:8px;padding:22px;border-radius:var(--r-lg);
  background:var(--white);border:1px solid var(--line);box-shadow:var(--sh-sm);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.pmo-relate__card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:var(--brand-200);}
.pmo-relate__card strong{font-size:16px;color:var(--text-800);font-weight:700;}
.pmo-relate__card span{font-size:13.5px;color:var(--text-600);line-height:1.7;}
.pmo-relate__card i{font-style:normal;font-size:12px;font-weight:700;color:var(--brand-600);letter-spacing:.06em;}
@media (max-width:1023px){.pmo-relate{grid-template-columns:repeat(2,1fr);}}
@media (max-width:639px){.pmo-relate{grid-template-columns:1fr;gap:14px;}}
/* ============ 提示条 ============ */
.pmo-note{
  display:flex;gap:14px;align-items:flex-start;padding:20px 24px;border-radius:var(--r-lg);
  background:var(--white);border:1px solid var(--line);border-left:4px solid var(--brand-500);box-shadow:var(--sh-sm);
}
.pmo-note strong{color:var(--text-800);font-size:15px;display:block;margin-bottom:4px;}
.pmo-note p{font-size:14.5px;color:var(--text-600);}
/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:#B9D6D3;padding:64px 0 28px;margin-top:0;}
.site-footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1);}
.site-footer h4{font-size:14px;font-weight:600;color:#E7F5F3;margin-bottom:16px;letter-spacing:.02em;}
.site-footer a{display:block;font-size:14px;color:#9EC2BF;padding:5px 0;transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);}
.site-footer a:hover{color:#fff;transform:translateX(2px);}
.site-footer__desc{font-size:14px;line-height:1.8;color:#9EC2BF;margin:16px 0 12px;max-width:340px;}
.site-footer__meta{font-size:13px;color:#7FA9A6;margin-top:6px;}
.site-footer .pmo-logo__mark{box-shadow:none;}
.site-footer .pmo-logo__text strong{color:#fff;}
.site-footer .pmo-logo__text em{color:#9EC2BF;}
.site-footer__bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:22px;font-size:13px;color:#7FA9A6;}
@media (max-width:1023px){
  .site-footer__grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:639px){
  .site-footer{padding:48px 0 24px;}
  .site-footer__grid{grid-template-columns:1fr;gap:24px;}
  .site-footer__bottom{flex-direction:column;gap:8px;}
}
/* ============ 工具 / 断点微调 ============ */
.is-hidden{display:none !important;}
@media (max-width:1023px){
  .site-section{padding:64px 0;}
  .site-section--tight{padding:48px 0;}
  h1{font-size:34px;}
  h2{font-size:24px;}
  h3{font-size:18px;}
  .site-hero h1{font-size:34px;}
}
@media (max-width:639px){
  .site-section{padding:48px 0;}
  h1{font-size:28px;}
  h2{font-size:22px;}
  h3{font-size:17px;}
  .site-hero h1{font-size:28px;}
  .pmo-cta h2{font-size:22px;}
  .pmo-accordion .accordion-title{font-size:16px;padding:14px 18px;min-height:56px;}
  .pmo-accordion .accordion-content{padding:18px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
  .pmo-relate__card:hover{transform:none;}
}