/* roulang page: index */
:root{
  --pk-900:#06302A;
  --pk-700:#0E5B4A;
  --pk-500:#14806A;
  --pk-coral:#FF5A5C;
  --pk-coral-d:#E23B45;
  --pk-gold:#F5B841;
  --pk-sand:#FBF6EF;
  --pk-mint:#E6F2EE;
  --pk-ink:#12211D;
  --pk-ink-2:#55655F;
  --pk-ink-3:#8A9993;
  --pk-line:#E4EAE6;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 2px 10px rgba(6,48,42,.06);
  --sh-2:0 12px 32px rgba(6,48,42,.10);
  --sh-hero:0 24px 60px rgba(6,48,42,.18);
  --grad-brand:linear-gradient(135deg,#06302A 0%,#0E5B4A 55%,#14806A 100%);
  --grad-accent:linear-gradient(90deg,#FF5A5C 0%,#F5B841 100%);
  --bs-primary:#14806A;
  --bs-body-bg:#FBF6EF;
  --bs-body-color:#12211D;
  --bs-border-radius:16px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  background:var(--pk-sand);
  color:var(--pk-ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--pk-700);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--pk-coral);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--pk-ink);letter-spacing:-.3px;}
p{margin:0 0 16px;color:var(--pk-ink-2);}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--pk-500);outline-offset:2px;border-radius:6px;}
.pk-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.pk-section{padding:80px 0;}
.pk-section--mint{background:var(--pk-mint);}
.pk-section--dark{background:var(--grad-brand);color:#fff;position:relative;overflow:hidden;}
.pk-section--dark h2,.pk-section--dark h3{color:#fff;}
.pk-section--dark p{color:rgba(255,255,255,.78);}
.pk-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.pk-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--pk-500);text-transform:uppercase;margin-bottom:10px;}
.pk-eyebrow i{font-size:12px;}
.pk-h2{font-size:30px;line-height:1.35;font-weight:700;}
.pk-sub{font-size:15px;color:var(--pk-ink-2);margin-top:10px;max-width:640px;}
.pk-linkmore{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--pk-700);white-space:nowrap;padding:10px 18px;border:1px solid var(--pk-line);border-radius:var(--r-pill);background:#fff;transition:all .22s ease;}
.pk-linkmore:hover{background:var(--pk-mint);color:var(--pk-900);border-color:var(--pk-mint);transform:translateY(-2px);}
.pk-linkmore i{transition:transform .22s ease;}
.pk-linkmore:hover i{transform:translateX(4px);}

/* 顶部公告条 */
.pk-notice{background:var(--pk-900);color:#fff;font-size:12.5px;}
.pk-notice .pk-container{display:flex;align-items:center;justify-content:center;gap:12px;min-height:40px;padding-top:8px;padding-bottom:8px;position:relative;}
.pk-notice span{opacity:.92;}
.pk-notice b{color:var(--pk-gold);font-weight:700;}
.pk-notice button{position:absolute;right:20px;top:50%;transform:translateY(-50%);background:none;border:0;color:rgba(255,255,255,.7);cursor:pointer;font-size:14px;line-height:1;padding:6px;}
.pk-notice button:hover{color:#fff;}

/* 导航 */
.pk-header{position:sticky;top:0;z-index:1030;background:rgba(251,246,239,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:box-shadow .25s ease,border-color .25s ease;border-bottom:1px solid transparent;}
.pk-header.is-stuck{box-shadow:0 6px 24px rgba(6,48,42,.08);border-bottom-color:var(--pk-line);}
.pk-nav{display:flex;align-items:center;gap:20px;height:72px;}
.pk-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.pk-logo-mark{width:38px;height:38px;border-radius:12px;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px;box-shadow:0 6px 16px rgba(6,48,42,.22);}
.pk-logo-text{font-size:17px;font-weight:800;color:var(--pk-900);letter-spacing:-.2px;line-height:1.2;}
.pk-logo-text small{display:block;font-size:11px;font-weight:600;color:var(--pk-ink-3);letter-spacing:.5px;}
.pk-chips{display:flex;align-items:center;gap:8px;margin:0 auto;padding:6px;background:rgba(255,255,255,.7);border:1px solid var(--pk-line);border-radius:var(--r-pill);}
.pk-chip{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 16px;border-radius:var(--r-pill);font-size:14px;font-weight:600;color:var(--pk-700);white-space:nowrap;transition:all .22s ease;}
.pk-chip:hover{background:var(--pk-mint);color:var(--pk-900);}
.pk-chip.active{background:var(--pk-700);color:#fff;box-shadow:0 6px 16px rgba(14,91,74,.24);}
.pk-nav-right{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.pk-search-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--pk-line);background:#fff;color:var(--pk-700);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .22s ease;}
.pk-search-btn:hover{background:var(--pk-mint);border-color:var(--pk-mint);}
.pk-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-pill);font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:all .22s ease;white-space:nowrap;}
.pk-btn--primary{background:linear-gradient(90deg,#FF5A5C 0%,#F5B841 100%);color:#fff;box-shadow:0 10px 26px rgba(226,59,69,.28);}
.pk-btn--primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 32px rgba(226,59,69,.34);}
.pk-btn--ghost{background:transparent;border-color:var(--pk-700);color:var(--pk-700);}
.pk-btn--ghost:hover{background:var(--pk-mint);color:var(--pk-900);border-color:var(--pk-mint);}
.pk-btn--light{background:#fff;color:var(--pk-900);border-color:transparent;}
.pk-btn--light:hover{background:var(--pk-mint);color:var(--pk-900);transform:translateY(-2px);}
.pk-btn--sm{height:40px;padding:0 18px;font-size:14px;}
.pk-search-panel{display:none;border-top:1px solid var(--pk-line);background:rgba(255,255,255,.9);}
.pk-search-panel.open{display:block;}
.pk-search-panel form{display:flex;gap:10px;padding:14px 0;}
.pk-search-panel input{flex:1;height:48px;border-radius:14px;border:1px solid var(--pk-line);padding:0 16px;font-size:15px;background:#fff;color:var(--pk-ink);}
.pk-search-panel input:focus{outline:none;border-color:var(--pk-500);box-shadow:0 0 0 3px rgba(20,128,106,.15);}
.pk-burger{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--pk-line);background:#fff;color:var(--pk-700);font-size:16px;}
.pk-drawer{position:fixed;inset:0;background:linear-gradient(135deg,rgba(6,48,42,.97) 0%,rgba(14,91,74,.96) 100%);z-index:1060;padding:28px 24px;display:none;flex-direction:column;gap:6px;overflow-y:auto;}
.pk-drawer.open{display:flex;}
.pk-drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.pk-drawer-top .pk-logo-text{color:#fff;}
.pk-drawer-top .pk-logo-text small{color:rgba(255,255,255,.6);}
.pk-drawer-close{width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.3);background:transparent;color:#fff;font-size:18px;}
.pk-drawer a{padding:16px 4px;font-size:18px;font-weight:600;color:rgba(255,255,255,.9);border-bottom:1px solid rgba(255,255,255,.12);}
.pk-drawer a.active{color:var(--pk-gold);}

/* Hero */
.pk-hero{position:relative;background:var(--grad-brand);color:#fff;overflow:hidden;padding:70px 0 90px;}
.pk-hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:.06;}
.pk-hero::after{content:"";position:absolute;width:420px;height:420px;right:-120px;top:-140px;border-radius:50%;background:radial-gradient(circle,rgba(245,184,65,.22) 0%,rgba(245,184,65,0) 70%);}
.pk-hero .pk-container{position:relative;z-index:2;}
.pk-hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;}
.pk-hero h1{font-size:46px;line-height:1.2;font-weight:800;letter-spacing:-.5px;color:#fff;margin-bottom:16px;}
.pk-hero h1 em{font-style:normal;background:var(--grad-accent);-webkit-background-clip:text;background-clip:text;color:transparent;}
.pk-hero-sub{font-size:17px;color:rgba(255,255,255,.82);max-width:520px;margin-bottom:26px;line-height:1.8;}
.pk-hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px;}
.pk-hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px;}
.pk-badge{display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border-radius:var(--r-pill);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(6px);}
.pk-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--pk-gold);box-shadow:0 0 0 4px rgba(245,184,65,.18);}
.pk-badge .num{font-size:19px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;}
.pk-badge .lbl{font-size:12px;color:rgba(255,255,255,.7);}
.pk-hero-chips{display:flex;flex-wrap:wrap;gap:10px;}
.pk-mini-chip{font-size:12.5px;padding:6px 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.12);color:rgba(255,255,255,.85);border:1px solid rgba(255,255,255,.16);}
.pk-phone-wrap{display:flex;justify-content:center;position:relative;}
.pk-phone{position:relative;width:320px;height:590px;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-hero);border:6px solid rgba(255,255,255,.14);background:#0a3a32;}
.pk-phone img{width:100%;height:100%;object-fit:cover;}
.pk-phone-progress{position:absolute;top:0;left:0;right:0;height:4px;background:rgba(255,255,255,.22);}
.pk-phone-progress i{display:block;height:100%;width:68%;background:var(--grad-accent);}
.pk-phone-info{position:absolute;left:0;right:0;bottom:0;padding:22px 18px 20px;background:linear-gradient(180deg,rgba(6,48,42,0) 0%,rgba(6,48,42,.88) 62%,rgba(6,48,42,.96) 100%);color:#fff;}
.pk-phone-info h3{font-size:16px;font-weight:700;color:#fff;margin-bottom:6px;}
.pk-phone-info p{font-size:12.5px;color:rgba(255,255,255,.72);margin:0;line-height:1.6;}
.pk-phone-tag{position:absolute;top:16px;right:14px;font-size:12px;padding:5px 12px;border-radius:var(--r-pill);background:rgba(6,48,42,.6);color:#fff;font-variant-numeric:tabular-nums;}
.pk-phone-version{position:absolute;left:14px;bottom:112px;display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;padding:7px 14px;border-radius:var(--r-pill);background:var(--pk-gold);color:#3a2a05;box-shadow:0 8px 20px rgba(245,184,65,.35);}

/* 数据徽章条 */
.pk-stats{background:#fff;border-bottom:1px solid var(--pk-line);}
.pk-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:34px 0;}
.pk-stat{display:flex;align-items:center;gap:14px;}
.pk-stat-icon{width:48px;height:48px;border-radius:14px;background:var(--pk-mint);color:var(--pk-700);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;}
.pk-stat-num{font-size:22px;font-weight:800;color:var(--pk-900);font-variant-numeric:tabular-nums;line-height:1.2;}
.pk-stat-lbl{font-size:13px;color:var(--pk-ink-3);}

/* 横向竖屏卡 */
.pk-scroller{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 20px 22px;margin:0 -20px;scrollbar-width:none;}
.pk-scroller::-webkit-scrollbar{display:none;}
.pk-clip{position:relative;flex:0 0 auto;width:220px;aspect-ratio:9/16;border-radius:var(--r-lg);overflow:hidden;scroll-snap-align:start;background:#0e2f29;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;}
.pk-clip:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.pk-clip img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.pk-clip:hover img{transform:scale(1.04);}
.pk-clip-mask{position:absolute;left:0;right:0;bottom:0;padding:40px 14px 14px;background:linear-gradient(180deg,rgba(6,48,42,0) 0%,rgba(6,48,42,.9) 100%);}
.pk-clip-mask h3{font-size:14px;font-weight:700;color:#fff;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pk-clip-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:48px;height:48px;border-radius:50%;background:rgba(14,91,74,.62);border:1px solid rgba(255,255,255,.35);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;backdrop-filter:blur(4px);}
.pk-clip-time{position:absolute;top:12px;right:12px;font-size:11.5px;padding:4px 10px;border-radius:var(--r-pill);background:rgba(6,48,42,.62);color:#fff;font-variant-numeric:tabular-nums;}
.pk-scroll-wrap{position:relative;}
.pk-scroll-wrap::after{content:"";position:absolute;top:0;right:-20px;width:70px;height:100%;background:linear-gradient(90deg,rgba(251,246,239,0),var(--pk-sand));pointer-events:none;}
.pk-section--mint .pk-scroll-wrap::after{background:linear-gradient(90deg,rgba(230,242,238,0),var(--pk-mint));}

/* 种草清单 */
.pk-list2{display:grid;grid-template-columns:1fr 1fr;gap:24px 32px;}
.pk-list2 > .pk-item:nth-child(even){transform:translateY(24px);}
.pk-item{display:flex;gap:20px;padding:24px;background:#fff;border:1px solid var(--pk-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);transition:all .25s ease;}
.pk-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.pk-list2 > .pk-item:nth-child(even):hover{transform:translateY(20px);}
.pk-item-no{font-size:34px;font-weight:800;line-height:1;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums;flex-shrink:0;}
.pk-item h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.pk-item p{font-size:14.5px;line-height:1.8;margin-bottom:12px;}
.pk-item .pk-tags{display:flex;gap:8px;flex-wrap:wrap;}
.pk-tag{font-size:12px;padding:4px 12px;border-radius:var(--r-pill);background:var(--pk-mint);color:var(--pk-700);font-weight:600;}

/* 内容卡 */
.pk-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.pk-card{background:#fff;border:1px solid var(--pk-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:all .25s ease;display:flex;flex-direction:column;height:100%;}
.pk-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.pk-card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#e9efec;}
.pk-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.pk-card:hover .pk-card-media img{transform:scale(1.04);}
.pk-card-cat{position:absolute;top:12px;left:12px;font-size:12px;font-weight:700;padding:5px 12px;border-radius:var(--r-pill);background:var(--pk-mint);color:var(--pk-700);}
.pk-card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.pk-card-body h3{font-size:17px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pk-card-body h3 a{color:var(--pk-ink);}
.pk-card-body h3 a:hover{color:var(--pk-500);}
.pk-card-body p{font-size:14px;line-height:1.75;color:var(--pk-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0;}
.pk-card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;border-top:1px solid var(--pk-line);font-size:12.5px;color:var(--pk-ink-3);}
.pk-card-foot a{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--pk-700);}
.pk-card-foot a:hover{gap:10px;}
.pk-empty{grid-column:1/-1;min-height:180px;border:1.5px dashed var(--pk-line);border-radius:var(--r-lg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:#fff;text-align:center;padding:30px;}
.pk-empty i{font-size:44px;color:var(--pk-line);}
.pk-empty strong{font-size:16px;color:var(--pk-ink);font-weight:700;}
.pk-empty span{font-size:14px;color:var(--pk-ink-3);}

/* 口碑 */
.pk-review{flex:0 0 auto;width:300px;background:#fff;border:1px solid var(--pk-line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-1);scroll-snap-align:start;}
.pk-review-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.pk-avatar{width:44px;height:44px;border-radius:50%;background:var(--pk-mint);color:var(--pk-700);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;flex-shrink:0;}
.pk-review-name{font-size:14px;font-weight:700;}
.pk-review-time{font-size:12px;color:var(--pk-ink-3);}
.pk-review p{font-size:14px;line-height:1.8;color:var(--pk-ink-2);margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.pk-review-foot{display:flex;align-items:center;justify-content:space-between;font-size:12px;}
.pk-stars{color:var(--pk-gold);letter-spacing:2px;}
.pk-verified{font-size:11.5px;font-weight:700;color:var(--pk-700);background:var(--pk-mint);padding:4px 10px;border-radius:var(--r-pill);}

/* 下载指引 */
.pk-steps{display:grid;gap:0;max-width:860px;margin:0 auto;}
.pk-step{display:grid;grid-template-columns:56px 1fr;gap:22px;position:relative;padding-bottom:36px;}
.pk-step:last-child{padding-bottom:0;}
.pk-step-no{width:56px;height:56px;border-radius:50%;background:var(--grad-accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;font-variant-numeric:tabular-nums;box-shadow:0 10px 24px rgba(226,59,69,.24);}
.pk-step::before{content:"";position:absolute;left:27px;top:60px;bottom:6px;width:2px;background:var(--pk-line);}
.pk-step:last-child::before{display:none;}
.pk-step-body{padding:6px 0 0;}
.pk-step-body h3{font-size:19px;font-weight:700;margin-bottom:8px;}
.pk-step-body p{font-size:14.5px;line-height:1.8;margin-bottom:0;}

/* 分类磁贴 */
.pk-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.pk-tile{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:200px;display:flex;flex-direction:column;justify-content:flex-end;padding:24px;color:#fff;background:var(--grad-brand);border:1px solid transparent;transition:all .25s ease;}
.pk-tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.34;transition:transform .4s ease;}
.pk-tile:hover img{transform:scale(1.05);}
.pk-tile::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,48,42,.25) 0%,rgba(6,48,42,.9) 100%);}
.pk-tile-inner{position:relative;z-index:2;}
.pk-tile h3{font-size:20px;font-weight:700;color:#fff;margin-bottom:8px;}
.pk-tile p{font-size:13.5px;color:rgba(255,255,255,.78);margin:0;line-height:1.7;}
.pk-tile:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}

/* FAQ */
.pk-faq{background:#fff;border:1px solid var(--pk-line);border-radius:var(--r-xl);padding:12px 28px;box-shadow:var(--sh-1);}
.pk-faq details{border-bottom:1px solid var(--pk-line);}
.pk-faq details:last-child{border-bottom:0;}
.pk-faq summary{list-style:none;cursor:pointer;padding:22px 0 22px 18px;font-size:16px;font-weight:600;color:var(--pk-ink);display:flex;align-items:center;justify-content:space-between;gap:16px;position:relative;transition:color .22s ease;}
.pk-faq summary::-webkit-details-marker{display:none;}
.pk-faq summary::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:3px;background:var(--pk-500);opacity:0;transition:opacity .22s ease;}
.pk-faq summary i{font-size:13px;color:var(--pk-ink-3);transition:transform .25s ease;}
.pk-faq details[open] summary{color:var(--pk-700);}
.pk-faq details[open] summary::before{opacity:1;}
.pk-faq details[open] summary i{transform:rotate(180deg);color:var(--pk-500);}
.pk-faq-answer{padding:0 0 22px 18px;font-size:14.5px;line-height:1.85;color:var(--pk-ink-2);}

/* 底部 CTA */
.pk-cta{position:relative;background:var(--grad-brand);border-radius:var(--r-xl);overflow:hidden;padding:52px 48px;color:#fff;display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;}
.pk-cta::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.1;}
.pk-cta-inner{position:relative;z-index:2;}
.pk-cta h2{font-size:28px;font-weight:800;color:#fff;margin-bottom:12px;line-height:1.35;}
.pk-cta p{color:rgba(255,255,255,.8);font-size:15px;max-width:520px;margin-bottom:24px;}
.pk-cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.pk-cta-img{position:relative;z-index:2;}
.pk-cta-img img{width:100%;border-radius:var(--r-lg);aspect-ratio:4/3;object-fit:cover;box-shadow:var(--sh-hero);}

/* 页脚 */
.pk-footer{background:linear-gradient(160deg,#06302A 0%,#0E5B4A 100%);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0;}
.pk-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.pk-footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.5px;}
.pk-footer .pk-logo-text{color:#fff;}
.pk-footer .pk-logo-text small{color:rgba(255,255,255,.55);}
.pk-footer p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.62);margin:16px 0 0;}
.pk-footer li{margin-bottom:12px;}
.pk-footer li a{font-size:14px;color:rgba(255,255,255,.68);}
.pk-footer li a:hover{color:#fff;}
.pk-qr{width:104px;height:104px;border-radius:14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;font-size:30px;color:rgba(255,255,255,.55);margin-top:14px;}
.pk-footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0 26px;font-size:12px;color:rgba(255,255,255,.5);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.pk-footer-bottom span{line-height:1.8;}

/* 吸底 */
.pk-sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:1040;display:none;align-items:center;gap:12px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(6,48,42,.96);backdrop-filter:blur(10px);}
.pk-sticky-bar .txt{flex:1;color:#fff;font-size:13px;line-height:1.4;}
.pk-sticky-bar .txt b{display:block;font-size:14px;font-weight:700;}
.pk-sticky-bar .txt span{color:rgba(255,255,255,.65);font-size:11.5px;}
.pk-sticky-close{width:32px;height:32px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:transparent;color:rgba(255,255,255,.75);font-size:13px;}

/* 响应式 */
@media (min-width:1536px){
  .pk-container{max-width:1320px;}
  .pk-phone{width:346px;height:632px;}
}
@media (max-width:1199px){
  .pk-hero h1{font-size:40px;}
  .pk-hero-grid{gap:40px;}
  .pk-phone{width:290px;height:540px;}
}
@media (max-width:991px){
  .pk-section{padding:64px 0;}
  .pk-hero{padding:56px 0 70px;}
  .pk-hero-grid{grid-template-columns:1fr;gap:44px;}
  .pk-phone-wrap{justify-content:flex-start;}
  .pk-grid3{grid-template-columns:repeat(2,1fr);}
  .pk-tiles{grid-template-columns:1fr 1fr;}
  .pk-stats-grid{grid-template-columns:repeat(2,1fr);}
  .pk-cta{grid-template-columns:1fr;padding:40px 30px;}
  .pk-footer-grid{grid-template-columns:1fr 1fr;}
  .pk-chips{display:none;}
  .pk-burger{display:flex;align-items:center;justify-content:center;}
  .pk-nav-right .pk-btn--primary{display:none;}
  .pk-nav{height:64px;}
}
@media (max-width:767px){
  body{padding-bottom:0;}
  .pk-section{padding:48px 0;}
  .pk-container{padding:0 16px;}
  .pk-hero{padding:44px 0 56px;}
  .pk-hero h1{font-size:31px;}
  .pk-hero-sub{font-size:15.5px;}
  .pk-h2{font-size:23px;}
  .pk-grid3{grid-template-columns:1fr;}
  .pk-list2{grid-template-columns:1fr;}
  .pk-list2 > .pk-item:nth-child(even){transform:none;}
  .pk-list2 > .pk-item:nth-child(even):hover{transform:translateY(-4px);}
  .pk-tiles{grid-template-columns:1fr;}
  .pk-stats-grid{grid-template-columns:1fr 1fr;gap:16px;padding:26px 0;}
  .pk-stat-icon{width:40px;height:40px;font-size:15px;border-radius:12px;}
  .pk-stat-num{font-size:18px;}
  .pk-phone{width:270px;height:500px;}
  .pk-clip{width:172px;}
  .pk-review{width:272px;}
  .pk-cta{padding:32px 22px;border-radius:var(--r-lg);}
  .pk-cta h2{font-size:22px;}
  .pk-faq{padding:6px 18px;border-radius:var(--r-lg);}
  .pk-faq summary{font-size:15px;padding:18px 0 18px 16px;}
  .pk-footer-grid{grid-template-columns:1fr;gap:30px;}
  .pk-footer-bottom{flex-direction:column;gap:8px;}
  .pk-step{grid-template-columns:46px 1fr;gap:16px;}
  .pk-step-no{width:46px;height:46px;font-size:16px;}
  .pk-step::before{left:22px;}
  .pk-sticky-bar{display:flex;}
  .pk-sticky-bar.hidden{display:none;}
}

/* roulang page: category1 */
:root{
  --pk-900:#06302A;
  --pk-700:#0E5B4A;
  --pk-500:#14806A;
  --pk-coral:#FF5A5C;
  --pk-coral-d:#E23B45;
  --pk-gold:#F5B841;
  --pk-sand:#FBF6EF;
  --pk-mint:#E6F2EE;
  --pk-ink:#12211D;
  --pk-ink-2:#55655F;
  --pk-ink-3:#8A9993;
  --pk-line:#E4EAE6;
  --pk-white:#FFFFFF;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-card:0 2px 10px rgba(6,48,42,.06);
  --sh-hover:0 12px 32px rgba(6,48,42,.10);
  --sh-hero:0 24px 60px rgba(6,48,42,.18);
  --grad-brand:linear-gradient(135deg,#06302A 0%,#0E5B4A 55%,#14806A 100%);
  --grad-accent:linear-gradient(90deg,#FF5A5C 0%,#F5B841 100%);
  --bs-body-bg:var(--pk-sand);
  --bs-body-color:var(--pk-ink);
  --bs-link-color:var(--pk-700);
  --bs-link-hover-color:var(--pk-500);
  --bs-border-color:var(--pk-line);
  --bs-primary:#14806A;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
}
*,*::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","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--pk-ink);
  background:var(--pk-sand);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--pk-700);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,transform .22s ease;}
a:hover{color:var(--pk-500);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--pk-ink);letter-spacing:-.5px;}
h1{font-size:46px;font-weight:800;line-height:1.2;}
h2{font-size:34px;font-weight:700;line-height:1.3;}
h3{font-size:22px;font-weight:700;line-height:1.4;letter-spacing:0;}
h4{font-size:18px;font-weight:600;line-height:1.5;letter-spacing:0;}
p{margin:0 0 16px;line-height:1.85;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;cursor:pointer;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--pk-coral);outline-offset:3px;border-radius:6px;}
.pk-num{font-variant-numeric:tabular-nums;}
.pk-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.pk-section{padding:80px 0;}
.pk-section--tight{padding:56px 0;}
.pk-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.pk-section-head p{margin:10px 0 0;color:var(--pk-ink-2);font-size:15px;max-width:640px;}
.pk-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--pk-700);background:var(--pk-mint);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px;letter-spacing:.4px;}
.pk-link-more{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--pk-700);white-space:nowrap;}
.pk-link-more i{transition:transform .22s ease;}
.pk-link-more:hover i{transform:translateX(4px);}

/* 按钮 */
.pk-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--r-pill);font-size:16px;font-weight:700;padding:14px 28px;min-height:48px;line-height:1;transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;}
.pk-btn--primary{background:var(--grad-accent);color:#fff;box-shadow:0 10px 24px rgba(226,59,69,.24);}
.pk-btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(226,59,69,.30);filter:brightness(1.04);}
.pk-btn--outline{background:transparent;border-color:var(--pk-700);color:var(--pk-700);}
.pk-btn--outline:hover{background:var(--pk-mint);color:var(--pk-900);}
.pk-btn--ghost{background:transparent;color:#fff;padding:14px 8px;}
.pk-btn--ghost:hover{color:#fff;transform:translateX(2px);}
.pk-btn--ghost i{transition:transform .22s ease;}
.pk-btn--ghost:hover i{transform:translateX(4px);}
.pk-btn--sm{padding:11px 20px;font-size:15px;min-height:44px;}
.pk-btn:active{transform:translateY(0) scale(.99);}

/* 顶部导航 */
.pk-header{position:sticky;top:0;z-index:1000;background:rgba(251,246,239,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:box-shadow .25s ease,border-color .25s ease;border-bottom:1px solid transparent;}
.pk-header.is-scrolled{border-bottom-color:var(--pk-line);box-shadow:0 6px 22px rgba(6,48,42,.08);}
.pk-nav{display:flex;align-items:center;gap:24px;height:72px;}
.pk-logo{display:inline-flex;align-items:center;gap:12px;flex-shrink:0;}
.pk-logo-mark{width:42px;height:42px;border-radius:14px;background:var(--grad-brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 8px 18px rgba(6,48,42,.20);}
.pk-logo-text{display:inline-flex;flex-direction:column;font-size:18px;font-weight:800;color:var(--pk-ink);line-height:1.2;letter-spacing:-.3px;}
.pk-logo-text small{font-size:11px;font-weight:600;color:var(--pk-ink-3);letter-spacing:.6px;}
.pk-chips{display:flex;align-items:center;gap:8px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none;}
.pk-chips::-webkit-scrollbar{display:none;}
.pk-chip{display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--pk-line);color:var(--pk-700);font-size:15px;font-weight:600;white-space:nowrap;transition:background-color .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;}
.pk-chip:hover{background:var(--pk-mint);color:var(--pk-900);border-color:var(--pk-mint);}
.pk-chip.active{background:var(--pk-700);border-color:var(--pk-700);color:#fff;box-shadow:0 8px 18px rgba(14,91,74,.22);}
.pk-nav-right{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.pk-search-btn{width:44px;height:44px;border-radius:50%;border:1px solid var(--pk-line);background:#fff;color:var(--pk-700);font-size:16px;display:inline-flex;align-items:center;justify-content:center;transition:background-color .22s ease,color .22s ease,transform .22s ease;}
.pk-search-btn:hover{background:var(--pk-mint);color:var(--pk-900);transform:translateY(-2px);}
.pk-burger{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--pk-line);background:#fff;color:var(--pk-900);font-size:18px;align-items:center;justify-content:center;}
.pk-search-panel{display:none;border-top:1px solid var(--pk-line);background:rgba(255,255,255,.96);}
.pk-search-panel.open{display:block;}
.pk-search-panel form{display:flex;gap:12px;padding:16px 0;}
.pk-search-panel input{flex:1;height:52px;border-radius:14px;border:1px solid var(--pk-line);background:#fff;padding:0 18px;font-size:15px;color:var(--pk-ink);}
.pk-search-panel input:focus{outline:none;border-color:var(--pk-500);box-shadow:0 0 0 3px var(--pk-mint);}
.pk-drawer{position:fixed;inset:0;background:rgba(6,48,42,.96);z-index:1200;padding:88px 28px 40px;display:none;flex-direction:column;gap:20px;}
.pk-drawer.open{display:flex;}
.pk-drawer a{color:rgba(255,255,255,.88);font-size:18px;font-weight:600;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.10);}
.pk-drawer a:hover,.pk-drawer a.active{color:#fff;}
.pk-drawer-close{position:absolute;top:22px;right:22px;width:46px;height:46px;border-radius:50%;border:1px solid rgba(255,255,255,.28);background:transparent;color:#fff;font-size:18px;}

/* 面包屑 */
.pk-crumb{padding:24px 0 0;font-size:13px;color:var(--pk-ink-3);}
.pk-crumb a{color:var(--pk-ink-3);}
.pk-crumb a:hover{color:var(--pk-700);}
.pk-crumb .sep{margin:0 8px;color:var(--pk-line);}
.pk-crumb .current{color:var(--pk-700);font-weight:600;}

/* Hero */
.pk-hero{background:var(--grad-brand);position:relative;overflow:hidden;margin-top:16px;}
.pk-hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.10) 1.5px,transparent 1.6px);background-size:26px 26px;opacity:.5;pointer-events:none;}
.pk-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;padding:72px 0 76px;}
.pk-hero-copy .pk-eyebrow{background:rgba(255,255,255,.14);color:#fff;}
.pk-hero-copy h1{color:#fff;margin-bottom:18px;}
.pk-hero-copy p{color:rgba(255,255,255,.84);font-size:17px;max-width:520px;margin-bottom:28px;}
.pk-hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;}
.pk-hero-figure{position:relative;}
.pk-hero-figure img{width:100%;height:420px;object-fit:cover;border-radius:var(--r-xl);box-shadow:var(--sh-hero);}
.pk-float-badge{position:absolute;left:22px;bottom:22px;display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--pk-900);border-radius:var(--r-pill);padding:10px 18px;font-size:13px;font-weight:700;box-shadow:0 12px 26px rgba(6,48,42,.24);}
.pk-float-badge i{color:var(--pk-gold);}

/* 数据徽章 */
.pk-stats{margin-top:-34px;position:relative;z-index:5;}
.pk-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;background:#fff;border:1px solid var(--pk-line);border-radius:var(--r-lg);box-shadow:var(--sh-card);padding:24px;}
.pk-stat{display:flex;align-items:center;gap:12px;padding:4px 12px;}
.pk-stat i{width:38px;height:38px;border-radius:12px;background:var(--pk-mint);color:var(--pk-700);display:inline-flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0;}
.pk-stat b{display:block;font-size:20px;font-weight:800;color:var(--pk-900);line-height:1.3;font-variant-numeric:tabular-nums;}
.pk-stat span{display:block;font-size:12px;color:var(--pk-ink-3);}

/* 图文流程列表 */
.pk-flow{display:flex;flex-direction:column;gap:24px;}
.pk-flow-item{display:grid;grid-template-columns:320px 1fr;gap:28px;background:#fff;border:1px solid var(--pk-line);border-radius:var(--r-lg);box-shadow:var(--sh-card);padding:20px;transition:transform .22s ease,box-shadow .22s ease;}
.pk-flow-item:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.pk-flow-item img{width:100%;height:200px;object-fit:cover;border-radius:var(--r-md);}
.pk-flow-body{display:flex;flex-direction:column;justify-content:center;gap:10px;}
.pk-flow-index{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;background:var(--grad-accent);color:#fff;font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;}
.pk-flow-body h3{font-size:20px;}
.pk-flow-body p{color:var(--pk-ink-2);font-size:15px;margin:0;}
.pk-chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px;}
.pk-tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--pk-700);background:var(--pk-mint);border-radius:var(--r-pill);padding:5px 12px;}

/* 竖屏片段条 */
.pk-strip-wrap{position:relative;}
.pk-strip{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 20px 22px;scrollbar-width:none;}
.pk-strip::-webkit-scrollbar{display:none;}
.pk-vcard{position:relative;flex:0 0 220px;width:220px;aspect-ratio:9/16;border-radius:var(--r-xl);overflow:hidden;scroll-snap-align:start;background:#fff;box-shadow:var(--sh-card);transition:transform .22s ease,box-shadow .22s ease;border:1px solid var(--pk-line);}
.pk-vcard:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.pk-vcard img{width:100%;height:100%;object-fit:cover;}
.pk-vcard::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(6,48,42,.78) 0%,rgba(6,48,42,.10) 55%,rgba(6,48,42,0) 100%);}
.pk-vcard-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:48px;height:48px;border-radius:50%;background:rgba(20,128,106,.78);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:16px;z-index:3;}
.pk-vcard-title{position:absolute;left:16px;right:16px;bottom:16px;z-index:3;color:#fff;font-size:15px;font-weight:700;line-height:1.45;}
.pk-vcard-time{position:absolute;top:14px;right:14px;z-index:3;background:rgba(6,48,42,.62);color:#fff;font-size:12px;font-weight:600;border-radius:var(--r-pill);padding:4px 10px;font-variant-numeric:tabular-nums;}
.pk-strip-nav{display:flex;gap:10px;}
.pk-strip-nav button{width:44px;height:44px;border-radius:50%;border:1px solid var(--pk-line);background:#fff;color:var(--pk-700);font-size:15px;transition:background-color .22s ease,transform .22s ease;}
.pk-strip-nav button:hover{background:var(--pk-mint);transform:translateY(-2px);}

/* 相关分类 */
.pk-related{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.pk-related a{display:block;background:#fff;border:1px solid var(--pk-line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.pk-related a:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--pk-mint);}
.pk-related h3{font-size:19px;margin-bottom:10px;}
.pk-related p{font-size:14px;color:var(--pk-ink-2);margin-bottom:16px;}
.pk-related .pk-link-more{font-size:14px;}

/* FAQ */
.pk-faq{background:#fff;border:1px solid var(--pk-line);border-radius:var(--r-xl);box-shadow:var(--sh-card);padding:12px 28px;}
.pk-faq details{border-bottom:1px solid var(--pk-line);}
.pk-faq details:last-child{border-bottom:0;}
.pk-faq summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0;font-size:16px;font-weight:600;color:var(--pk-ink);cursor:pointer;position:relative;}
.pk-faq summary::-webkit-details-marker{display:none;}
.pk-faq summary i{color:var(--pk-ink-3);transition:transform .25s ease,color .25s ease;font-size:14px;}
.pk-faq details[open] summary{color:var(--pk-700);}
.pk-faq details[open] summary i{transform:rotate(180deg);color:var(--pk-700);}
.pk-faq .pk-faq-body{padding:0 0 22px 16px;border-left:3px solid var(--pk-500);color:var(--pk-ink-2);font-size:15px;}

/* CTA 条 */
.pk-cta{background:var(--grad-brand);border-radius:var(--r-xl);padding:52px 48px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;box-shadow:var(--sh-hero);position:relative;overflow:hidden;}
.pk-cta::after{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.06);}
.pk-cta h2{color:#fff;font-size:30px;margin-bottom:12px;position:relative;z-index:2;}
.pk-cta p{color:rgba(255,255,255,.82);font-size:15px;margin:0;max-width:620px;position:relative;z-index:2;}
.pk-cta .pk-cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}

/* 页脚 */
.pk-footer{background:linear-gradient(160deg,#06302A 0%,#0E5B4A 100%);color:rgba(255,255,255,.78);padding:72px 0 28px;margin-top:80px;}
.pk-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);}
.pk-footer .pk-logo-text{color:#fff;margin-bottom:16px;}
.pk-footer .pk-logo-text small{color:rgba(255,255,255,.55);}
.pk-footer h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.4px;}
.pk-footer p{font-size:14px;color:rgba(255,255,255,.68);line-height:1.8;max-width:340px;}
.pk-footer ul li{margin-bottom:10px;}
.pk-footer ul a{font-size:14px;color:rgba(255,255,255,.68);}
.pk-footer ul a:hover{color:#fff;}
.pk-qr{width:76px;height:76px;border-radius:14px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;font-size:30px;color:rgba(255,255,255,.75);margin-top:16px;}
.pk-footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;font-size:12px;color:rgba(255,255,255,.55);flex-wrap:wrap;}

/* 移动端吸底 */
.pk-bottombar{position:fixed;left:0;right:0;bottom:0;z-index:1100;display:none;align-items:center;gap:12px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(251,246,239,.96);backdrop-filter:blur(10px);border-top:1px solid var(--pk-line);}
.pk-bottombar span{font-size:13px;font-weight:600;color:var(--pk-ink-2);flex:1;}
.pk-bottombar .pk-btn{flex:0 0 auto;}

@media (max-width:1199.98px){
  .pk-hero-inner{grid-template-columns:1fr;gap:36px;padding:56px 0 64px;}
  .pk-hero-figure img{height:340px;}
  .pk-flow-item{grid-template-columns:260px 1fr;}
}
@media (max-width:991.98px){
  h1{font-size:36px;}
  h2{font-size:28px;}
  .pk-section{padding:64px 0;}
  .pk-chips{display:none;}
  .pk-burger{display:inline-flex;}
  .pk-stats-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .pk-related{grid-template-columns:1fr;}
  .pk-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .pk-cta{grid-template-columns:1fr;padding:40px 28px;}
  .pk-bottombar{display:flex;}
  .pk-footer{padding-bottom:100px;}
}
@media (max-width:767.98px){
  body{font-size:15px;}
  h1{font-size:31px;letter-spacing:-.4px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .pk-container{padding:0 16px;}
  .pk-section{padding:48px 0;}
  .pk-nav{height:64px;gap:12px;}
  .pk-logo-text{font-size:16px;}
  .pk-logo-text small{display:none;}
  .pk-nav-right .pk-btn--primary{display:none;}
  .pk-hero-inner{padding:44px 0 56px;}
  .pk-hero-figure img{height:250px;}
  .pk-hero-copy p{font-size:16px;}
  .pk-stats{margin-top:-24px;}
  .pk-stats-grid{grid-template-columns:repeat(2,1fr);padding:18px;}
  .pk-stat{padding:4px 6px;}
  .pk-stat b{font-size:17px;}
  .pk-flow-item{grid-template-columns:1fr;gap:16px;}
  .pk-flow-item img{height:180px;}
  .pk-vcard{flex:0 0 172px;width:172px;}
  .pk-section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .pk-faq{padding:8px 18px;}
  .pk-footer-grid{grid-template-columns:1fr;gap:28px;}
  .pk-footer{padding-top:52px;}
  .pk-cta h2{font-size:24px;}
}
@media (max-width:519.98px){
  .pk-stats-grid{grid-template-columns:repeat(2,1fr);}
  .pk-bottombar span{display:none;}
  .pk-bottombar .pk-btn{width:100%;}
}
@media (min-width:1536px){
  .pk-container{max-width:1320px;}
}

/* roulang page: article */
:root{
  --pk-900:#06302A; --pk-700:#0E5B4A; --pk-500:#14806A;
  --pk-coral:#FF5A5C; --pk-coral-d:#E23B45; --pk-gold:#F5B841;
  --pk-sand:#FBF6EF; --pk-mint:#E6F2EE;
  --pk-ink:#12211D; --pk-ink-2:#55655F; --pk-ink-3:#8A9993;
  --pk-line:#E4EAE6;
  --pk-grad:linear-gradient(135deg,#06302A 0%,#0E5B4A 55%,#14806A 100%);
  --pk-grad-coral:linear-gradient(90deg,#FF5A5C 0%,#F5B841 100%);
  --r-sm:10px; --r-md:16px; --r-lg:22px; --r-xl:28px; --r-pill:999px;
  --sh-1:0 2px 10px rgba(6,48,42,.06);
  --sh-2:0 12px 32px rgba(6,48,42,.10);
  --sh-3:0 24px 60px rgba(6,48,42,.18);
  --bs-link-color:#0E5B4A;
  --bs-link-hover-color:#E23B45;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;color:var(--pk-ink);background:var(--pk-sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
body a{color:var(--pk-700);text-decoration:none;transition:color .2s ease}
body a:hover{color:var(--pk-coral-d)}
h1,h2,h3,h4{margin:0;color:var(--pk-ink);letter-spacing:-.4px;line-height:1.3}
p{margin:0}
ul,ol{margin:0}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,.pk-chip:focus-visible{
  outline:2px solid var(--pk-500);outline-offset:2px;border-radius:8px;
}
.pk-num{font-variant-numeric:tabular-nums}
.pk-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1536px){.pk-container{max-width:1320px}}

/* ---------- header ---------- */
.pk-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(251,246,239,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.pk-header.is-scrolled{border-bottom-color:var(--pk-line);box-shadow:0 6px 24px rgba(6,48,42,.08)}
.pk-nav{display:flex;align-items:center;gap:18px;min-height:72px}
.pk-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--pk-900)}
.pk-logo-mark{
  width:40px;height:40px;border-radius:14px;background:var(--pk-grad);color:#fff;
  display:grid;place-items:center;font-size:15px;box-shadow:var(--sh-1);
}
.pk-logo-text{display:flex;flex-direction:column;font-size:16px;font-weight:800;line-height:1.25;color:var(--pk-900)}
.pk-logo-text small{font-size:11px;font-weight:600;color:var(--pk-500);letter-spacing:.6px}
.pk-chips{display:flex;align-items:center;gap:8px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:4px 0}
.pk-chips::-webkit-scrollbar{display:none}
.pk-chip{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;white-space:nowrap;
  border-radius:var(--r-pill);border:1px solid var(--pk-line);background:#fff;
  color:var(--pk-700);font-size:14px;font-weight:600;
  transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.pk-chip:hover{background:var(--pk-mint);color:var(--pk-900);border-color:#CFE3DC}
.pk-chip.active{background:var(--pk-700);border-color:var(--pk-700);color:#fff;box-shadow:0 8px 18px rgba(14,91,74,.24)}
.pk-nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto}
.pk-search-btn{
  width:42px;height:42px;border-radius:var(--r-pill);border:1px solid var(--pk-line);
  background:#fff;color:var(--pk-700);cursor:pointer;transition:.2s ease;
}
.pk-search-btn:hover{background:var(--pk-mint);color:var(--pk-900)}
.pk-burger{
  display:none;width:42px;height:42px;border-radius:14px;border:1px solid var(--pk-line);
  background:#fff;color:var(--pk-900);font-size:16px;cursor:pointer;
}
.pk-search-panel{display:none;padding:10px 0 18px;border-top:1px solid var(--pk-line);background:rgba(251,246,239,.97)}
.pk-search-panel.is-open{display:block}
.pk-search-panel form{display:flex;gap:12px}
.pk-search-panel input{
  flex:1;height:50px;border-radius:14px;border:1px solid var(--pk-line);background:#fff;
  padding:0 16px;font-size:15px;color:var(--pk-ink);
}
.pk-search-panel input:focus{outline:none;border-color:var(--pk-500);box-shadow:0 0 0 2px var(--pk-mint)}
.pk-drawer{display:none;position:fixed;inset:0;z-index:1055;background:rgba(6,48,42,.95);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.pk-drawer.is-open{display:block}
.pk-drawer-inner{padding:20px;height:100%;overflow-y:auto;display:flex;flex-direction:column;gap:20px}
.pk-drawer-head{display:flex;align-items:center;justify-content:space-between}
.pk-drawer-head .pk-logo-text{color:#fff}
.pk-drawer-head .pk-logo-text small{color:#9FD4C6}
.pk-drawer-close{width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.3);background:transparent;color:#fff;font-size:18px}
.pk-drawer-nav{display:flex;flex-direction:column;gap:4px}
.pk-drawer-nav a{color:#fff;font-size:18px;font-weight:600;padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.12)}
.pk-drawer-nav a:hover{color:var(--pk-gold)}

/* ---------- buttons ---------- */
.pk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.pk-btn.pk-btn--primary{background:var(--pk-grad-coral);color:#fff;box-shadow:0 12px 26px rgba(226,59,69,.28)}
.pk-btn.pk-btn--primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 16px 32px rgba(226,59,69,.34)}
.pk-btn.pk-btn--ghost{background:transparent;border-color:var(--pk-700);color:var(--pk-700)}
.pk-btn.pk-btn--ghost:hover{background:var(--pk-mint);color:var(--pk-900)}
.pk-btn.pk-btn--light{background:#fff;color:var(--pk-900);box-shadow:var(--sh-1)}
.pk-btn.pk-btn--light:hover{color:var(--pk-900);transform:translateY(-2px);box-shadow:var(--sh-2)}
.pk-btn.pk-btn--sm{height:42px;padding:0 18px;font-size:14px}
.pk-btn.pk-btn--block{width:100%}
.pk-textlink{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--pk-700)}
.pk-textlink i{transition:transform .22s ease}
.pk-textlink:hover i{transform:translateX(4px)}

/* ---------- article hero ---------- */
.pk-article-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(135deg,rgba(6,48,42,.94) 0%,rgba(14,91,74,.90) 55%,rgba(20,128,106,.86) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:48px 0 72px;
}
.pk-article-hero::after{
  content:"";position:absolute;right:-90px;top:-70px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(245,184,65,.24),transparent 68%);
}
.pk-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px}
.pk-crumb a{color:rgba(255,255,255,.86)}
.pk-crumb a:hover{color:#fff}
.pk-crumb span.sep{opacity:.5}
.pk-crumb .cur{color:var(--pk-gold);font-weight:600}
.pk-hero-tag{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  font-size:12px;font-weight:700;color:#fff;margin-bottom:16px;
}
.pk-article-hero h1{
  color:#fff;font-size:44px;font-weight:800;line-height:1.2;letter-spacing:-.8px;max-width:900px;
}
.pk-meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;
  font-size:14px;color:rgba(255,255,255,.78);
}
.pk-meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.45)}
.pk-meta-row strong{color:#fff;font-weight:600}

/* ---------- article layout ---------- */
.pk-main{padding:56px 0 72px}
.pk-article-wrap{display:grid;grid-template-columns:minmax(0,820px) 250px;gap:32px;justify-content:center;align-items:start}
.pk-card{
  background:#fff;border:1px solid var(--pk-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:32px;
}
.pk-article-body{font-size:16px;line-height:1.85;color:var(--pk-ink);overflow-wrap:break-word}
.pk-article-body>*:first-child{margin-top:0}
.pk-article-body p{margin:0 0 20px}
.pk-article-body h2{position:relative;margin:40px 0 16px;padding-left:14px;font-size:24px;font-weight:700;line-height:1.4}
.pk-article-body h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--pk-grad)}
.pk-article-body h3{margin:28px 0 12px;font-size:19px;font-weight:700}
.pk-article-body h4{margin:22px 0 10px;font-size:17px;font-weight:600}
.pk-article-body img{max-width:100%;height:auto;border-radius:var(--r-md);margin:24px auto}
.pk-article-body figure{margin:24px 0}
.pk-article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--pk-ink-3)}
.pk-article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--pk-mint);border-left:4px solid var(--pk-500);
  border-radius:var(--r-md);color:var(--pk-ink-2);
}
.pk-article-body blockquote p:last-child{margin-bottom:0}
.pk-article-body ul{padding-left:4px;margin:0 0 20px;list-style:none}
.pk-article-body ul li{position:relative;padding-left:20px;margin-bottom:10px}
.pk-article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--pk-500)}
.pk-article-body ol{padding-left:22px;margin:0 0 20px}
.pk-article-body ol li{margin-bottom:10px;padding-left:4px}
.pk-article-body ol li::marker{color:var(--pk-500);font-weight:700}
.pk-article-body a{color:var(--pk-500);border-bottom:1px dashed rgba(20,128,106,.45)}
.pk-article-body a:hover{color:var(--pk-coral-d);border-bottom-color:rgba(226,59,69,.5)}
.pk-article-body strong{color:var(--pk-900)}
.pk-article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;font-size:15px;
  border:1px solid var(--pk-line);border-radius:var(--r-md);overflow:hidden;
}
.pk-article-body th{background:var(--pk-700);color:#fff;font-weight:600;text-align:left;padding:12px 14px}
.pk-article-body td{padding:12px 14px;border-top:1px solid var(--pk-line);color:var(--pk-ink-2)}
.pk-article-body tbody tr:nth-child(even){background:var(--pk-mint)}
.pk-article-body hr{border:none;border-top:1px solid var(--pk-line);margin:32px 0}

/* toc */
.pk-toc{position:sticky;top:104px;background:#fff;border:1px solid var(--pk-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:20px}
.pk-toc h4{font-size:13px;font-weight:700;color:var(--pk-ink-3);letter-spacing:1px;margin-bottom:12px}
.pk-toc-list{display:flex;flex-direction:column;gap:2px;max-height:60vh;overflow-y:auto}
.pk-toc-list a{
  position:relative;padding:8px 10px 8px 14px;border-radius:var(--r-sm);
  font-size:13.5px;color:var(--pk-ink-2);line-height:1.5;
}
.pk-toc-list a::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:2px;background:transparent}
.pk-toc-list a:hover{background:var(--pk-mint);color:var(--pk-900)}
.pk-toc-list a.active{color:var(--pk-700);font-weight:700;background:var(--pk-mint)}
.pk-toc-list a.active::before{background:var(--pk-500)}

/* empty state */
.pk-empty{
  border:1px dashed var(--pk-line);border-radius:var(--r-lg);background:#fff;
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;text-align:center;padding:32px 20px;
}
.pk-empty i{font-size:56px;color:#C6D8D1}
.pk-empty h3{font-size:17px;font-weight:700}
.pk-empty p{font-size:14px;color:var(--pk-ink-3);max-width:420px}

/* ---------- sections ---------- */
.pk-section{padding:72px 0}
.pk-section--tight{padding:56px 0}
.pk-sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.pk-sec-head h2{font-size:30px;font-weight:700}
.pk-sec-head p{margin-top:8px;font-size:15px;color:var(--pk-ink-2);max-width:620px}
.pk-eyebrow{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--pk-mint);color:var(--pk-700);font-size:12px;font-weight:700;letter-spacing:.6px;margin-bottom:12px;
}

/* download cta card */
.pk-cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);color:#fff;
  background-image:linear-gradient(135deg,rgba(6,48,42,.96),rgba(14,91,74,.92)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;padding:40px;box-shadow:var(--sh-3);
  display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:24px;align-items:center;margin-top:40px;
}
.pk-cta-card h3{color:#fff;font-size:24px;font-weight:800}
.pk-cta-card p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.82);max-width:560px}
.pk-cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.pk-cta-card img{border-radius:var(--r-md);height:180px;width:100%;object-fit:cover;border:1px solid rgba(255,255,255,.2)}
.pk-cta-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.pk-cta-stats span{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);font-size:12.5px;color:#fff;
}

/* vertical clip strip */
.pk-strip-wrap{position:relative}
.pk-strip{
  display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 20px 18px;margin:0 -20px;scrollbar-width:none;-ms-overflow-style:none;
}
.pk-strip::-webkit-scrollbar{display:none}
.pk-clip{
  position:relative;flex:0 0 220px;aspect-ratio:9/16;border-radius:var(--r-lg);overflow:hidden;
  scroll-snap-align:start;box-shadow:var(--sh-1);border:1px solid var(--pk-line);background:#0E5B4A;
  transition:transform .22s ease,box-shadow .22s ease;
}
.pk-clip:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.pk-clip img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.pk-clip:hover img{transform:scale(1.04)}
.pk-clip::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,48,42,0) 38%,rgba(6,48,42,.86) 100%)}
.pk-clip-play{
  position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);z-index:2;
  width:48px;height:48px;border-radius:50%;background:rgba(6,48,42,.55);border:1px solid rgba(255,255,255,.5);
  display:grid;place-items:center;color:#fff;font-size:15px;
}
.pk-clip-time{
  position:absolute;right:10px;top:10px;z-index:2;height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:rgba(6,48,42,.62);color:#fff;font-size:12px;display:inline-flex;align-items:center;font-variant-numeric:tabular-nums;
}
.pk-clip-title{position:absolute;left:14px;right:14px;bottom:14px;z-index:2;color:#fff;font-size:14px;font-weight:700;line-height:1.45}

/* related rows */
.pk-rows{display:flex;flex-direction:column;gap:14px}
.pk-row{
  display:grid;grid-template-columns:200px minmax(0,1fr);gap:18px;align-items:center;
  background:#fff;border:1px solid var(--pk-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);
  padding:14px;transition:transform .22s ease,box-shadow .22s ease;
}
.pk-row:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.pk-row-thumb{position:relative;border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/9}
.pk-row-thumb img{width:100%;height:100%;object-fit:cover}
.pk-row h3{font-size:18px;font-weight:700;line-height:1.45}
.pk-row p{margin-top:8px;font-size:14px;color:var(--pk-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pk-row-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:10px;font-size:12.5px;color:var(--pk-ink-3)}
.pk-tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--pk-mint);color:var(--pk-700);font-size:12px;font-weight:700;
}

/* faq */
.pk-faq{background:#fff;border:1px solid var(--pk-line);border-radius:var(--r-xl);box-shadow:var(--sh-1);padding:12px 24px}
.pk-faq-item{border-bottom:1px solid var(--pk-line)}
.pk-faq-item:last-child{border-bottom:none}
.pk-faq-q{
  width:100%;background:transparent;border:none;text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-size:16px;font-weight:600;color:var(--pk-ink);
}
.pk-faq-q i{color:var(--pk-ink-3);font-size:13px;transition:transform .25s ease,color .25s ease}
.pk-faq-q[aria-expanded="true"]{color:var(--pk-700)}
.pk-faq-q[aria-expanded="true"] i{transform:rotate(180deg);color:var(--pk-500)}
.pk-faq-a{padding:0 0 20px;font-size:15px;color:var(--pk-ink-2);line-height:1.8;border-left:3px solid var(--pk-500);padding-left:14px;margin-bottom:18px}

/* back links */
.pk-backbar{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:32px}

/* comments */
.pk-comments{margin-top:48px}
.pk-comments h2{font-size:24px;font-weight:700;margin-bottom:18px}
.pk-comment-form{background:#fff;border:1px solid var(--pk-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:22px}
.pk-field{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}
.pk-field label{font-size:13px;font-weight:700;color:var(--pk-ink-2)}
.pk-field input,.pk-field textarea{
  width:100%;border:1px solid var(--pk-line);border-radius:14px;background:#fff;
  padding:12px 14px;font-size:15px;color:var(--pk-ink);line-height:1.6;
}
.pk-field input{height:50px}
.pk-field textarea{min-height:110px;resize:vertical}
.pk-field input:focus,.pk-field textarea:focus{outline:none;border-color:var(--pk-500);box-shadow:0 0 0 2px var(--pk-mint)}
.pk-comment-list{display:flex;flex-direction:column;gap:14px;margin-top:20px}
.pk-comment{display:grid;grid-template-columns:44px minmax(0,1fr);gap:14px;background:#fff;border:1px solid var(--pk-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:18px}
.pk-avatar{width:44px;height:44px;border-radius:50%;background:var(--pk-grad);color:#fff;display:grid;place-items:center;font-weight:800;font-size:15px}
.pk-comment-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.pk-comment-head b{font-size:14px;font-weight:700}
.pk-comment-head time{font-size:12px;color:var(--pk-ink-3)}
.pk-verified{display:inline-flex;align-items:center;gap:4px;height:22px;padding:0 9px;border-radius:var(--r-pill);background:var(--pk-mint);color:var(--pk-700);font-size:11.5px;font-weight:700}
.pk-comment p{margin-top:8px;font-size:14px;color:var(--pk-ink-2)}

/* footer */
.pk-footer{
  margin-top:24px;color:#fff;
  background-image:var(--pk-grad);
  padding:56px 0 24px;
}
.pk-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.pk-footer .pk-logo-text{color:#fff;font-size:16px}
.pk-footer .pk-logo-text small{color:#9FD4C6}
.pk-footer p{margin-top:14px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.8;max-width:340px}
.pk-footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.pk-footer ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px}
.pk-footer ul a{font-size:14px;color:rgba(255,255,255,.74)}
.pk-footer ul a:hover{color:#fff}
.pk-qr{
  margin-top:16px;width:96px;height:96px;border-radius:var(--r-md);
  background:rgba(255,255,255,.12);border:1px dashed rgba(255,255,255,.3);
  display:grid;place-items:center;font-size:32px;color:rgba(255,255,255,.75);
}
.pk-footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:12px;color:rgba(255,255,255,.6);
}

/* responsive */
@media(max-width:1199.98px){
  .pk-article-wrap{grid-template-columns:minmax(0,1fr)}
  .pk-toc{display:none}
  .pk-article-hero h1{font-size:38px}
}
@media(max-width:991.98px){
  .pk-chips{order:3;flex-basis:100%;margin:0 -20px;padding:8px 20px}
  .pk-nav{flex-wrap:wrap;min-height:auto;padding:10px 0}
  .pk-burger{display:grid;place-items:center}
  .pk-section{padding:64px 0}
  .pk-cta-card{grid-template-columns:minmax(0,1fr)}
  .pk-cta-card img{height:160px}
  .pk-footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:767.98px){
  body{font-size:15.5px}
  .pk-article-hero{padding:32px 0 52px}
  .pk-article-hero h1{font-size:30px;letter-spacing:-.4px}
  .pk-main{padding:36px 0 48px}
  .pk-card{padding:20px;border-radius:var(--r-md)}
  .pk-section{padding:48px 0}
  .pk-sec-head h2{font-size:24px}
  .pk-row{grid-template-columns:minmax(0,1fr);gap:12px}
  .pk-row-thumb{aspect-ratio:16/9}
  .pk-clip{flex:0 0 176px}
  .pk-cta-card{padding:26px}
  .pk-faq{padding:6px 18px}
  .pk-footer{padding:44px 0 20px}
  .pk-footer-grid{grid-template-columns:1fr}
  .pk-logo-text{font-size:15px}
  .pk-article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .pk-article-body{overflow-x:auto}
}
@media(max-width:520px){
  .pk-container{padding:0 16px}
  .pk-nav-right .pk-btn{display:none}
  .pk-article-hero h1{font-size:26px}
}

/* roulang page: category2 */
:root{
  --pk-900:#06302A;
  --pk-700:#0E5B4A;
  --pk-500:#14806A;
  --pk-coral:#FF5A5C;
  --pk-coral-d:#E23B45;
  --pk-gold:#F5B841;
  --pk-sand:#FBF6EF;
  --pk-mint:#E6F2EE;
  --pk-ink:#12211D;
  --pk-ink-2:#55655F;
  --pk-ink-3:#8A9993;
  --pk-line:#E4EAE6;
  --pk-grad:linear-gradient(135deg,#06302A 0%,#0E5B4A 55%,#14806A 100%);
  --pk-grad-accent:linear-gradient(90deg,#FF5A5C 0%,#F5B841 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-card:0 2px 10px rgba(6,48,42,.06);
  --sh-hover:0 12px 32px rgba(6,48,42,.10);
  --sh-hero:0 24px 60px rgba(6,48,42,.18);
  --ease:220ms ease;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --bs-body-color:#12211D;
  --bs-link-color:#0E5B4A;
  --bs-link-hover-color:#E23B45;
  --bs-border-radius:16px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--pk-ink);
  background:var(--pk-sand);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--pk-700);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--pk-coral-d);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--pk-ink);letter-spacing:-.3px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--pk-coral);outline-offset:3px;}
.pk-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ============ 顶部导航 ============ */
.pk-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(251,246,239,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--ease),border-color var(--ease);
}
.pk-header.is-scrolled{border-bottom-color:var(--pk-line);box-shadow:0 6px 24px rgba(6,48,42,.08);}
.pk-nav{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px;}
.pk-logo{display:flex;align-items:center;gap:10px;color:var(--pk-900);flex:none;}
.pk-logo:hover{color:var(--pk-900);}
.pk-logo-mark{
  width:38px;height:38px;border-radius:12px;color:#fff;display:grid;place-items:center;
  font-size:15px;background:var(--pk-grad);box-shadow:0 8px 18px rgba(6,48,42,.22);flex:none;
}
.pk-logo-text{display:flex;flex-direction:column;line-height:1.15;font-size:17px;font-weight:800;letter-spacing:-.2px;}
.pk-logo-text small{font-size:11px;font-weight:600;color:var(--pk-ink-3);letter-spacing:.4px;margin-top:2px;}
.pk-chips{display:flex;align-items:center;gap:8px;}
.pk-chip{
  display:inline-flex;align-items:center;min-height:38px;padding:8px 16px;
  border-radius:var(--r-pill);border:1px solid var(--pk-line);background:#fff;
  color:var(--pk-700);font-size:14px;font-weight:600;white-space:nowrap;
  transition:background var(--ease),color var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.pk-chip:hover{background:var(--pk-mint);color:var(--pk-900);border-color:#cfe4dd;}
.pk-chip.active{
  background:var(--pk-grad);color:#fff;border-color:transparent;
  box-shadow:0 8px 18px rgba(6,48,42,.22);
}
.pk-chip.active:hover{color:#fff;}
.pk-nav-right{display:flex;align-items:center;gap:10px;flex:none;}
.pk-search-btn{
  width:42px;height:42px;border-radius:var(--r-pill);border:1px solid var(--pk-line);
  background:#fff;color:var(--pk-700);cursor:pointer;transition:all var(--ease);
}
.pk-search-btn:hover{background:var(--pk-mint);color:var(--pk-900);}
.pk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),filter var(--ease);
}
.pk-btn--primary{background:var(--pk-grad-accent);color:#fff;box-shadow:0 10px 24px rgba(226,59,69,.26);}
.pk-btn--primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);}
.pk-btn--outline{background:transparent;border-color:var(--pk-700);color:var(--pk-700);}
.pk-btn--outline:hover{background:var(--pk-mint);color:var(--pk-900);transform:translateY(-2px);}
.pk-btn--ghost{background:transparent;color:var(--pk-700);padding:0 6px;}
.pk-btn--ghost:hover{color:var(--pk-coral-d);}
.pk-btn--ghost i{transition:transform var(--ease);}
.pk-btn--ghost:hover i{transform:translateX(4px);}
.pk-btn--sm{min-height:40px;padding:0 16px;font-size:14px;}
.pk-burger{
  display:none;width:44px;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--pk-line);background:#fff;color:var(--pk-700);cursor:pointer;
}
.pk-search-panel{display:none;padding:14px 0 18px;border-top:1px solid var(--pk-line);}
.pk-search-panel.open{display:block;}
.pk-search-panel form{display:flex;gap:10px;}
.pk-search-panel input{
  flex:1;min-height:48px;padding:0 16px;border-radius:14px;border:1px solid var(--pk-line);
  background:#fff;color:var(--pk-ink);outline:none;transition:box-shadow var(--ease),border-color var(--ease);
}
.pk-search-panel input:focus{border-color:#bfe0d6;box-shadow:0 0 0 4px rgba(20,128,106,.14);}
.pk-drawer{
  position:fixed;left:0;right:0;top:64px;bottom:0;z-index:1029;
  background:rgba(6,48,42,.96);padding:28px 20px;display:none;flex-direction:column;gap:16px;
}
.pk-drawer.open{display:flex;}
.pk-drawer a{color:#fff;font-size:18px;font-weight:700;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.12);}
.pk-drawer a:hover{color:var(--pk-gold);}
.pk-drawer .pk-drawer-note{color:rgba(255,255,255,.6);font-size:13px;margin-top:12px;line-height:1.8;}

/* ============ 面包屑与页头 ============ */
.pk-crumb{padding:20px 0 0;font-size:13px;color:var(--pk-ink-3);}
.pk-crumb a{color:var(--pk-ink-3);}
.pk-crumb a:hover{color:var(--pk-700);}
.pk-crumb .cur{color:var(--pk-700);font-weight:600;}
.pk-pagehead{text-align:center;padding:22px 0 52px;max-width:860px;margin:0 auto;}
.pk-pill{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);
  background:var(--pk-mint);color:var(--pk-700);font-size:13px;font-weight:700;letter-spacing:.3px;
}
.pk-pagehead h1{font-size:44px;font-weight:800;line-height:1.22;margin:18px 0 16px;letter-spacing:-.5px;}
.pk-pagehead .pk-sub{font-size:17px;color:var(--pk-ink-2);max-width:700px;margin:0 auto;}
.pk-badges{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:28px;}
.pk-badge{
  display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--pk-line);box-shadow:var(--sh-card);
}
.pk-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--pk-gold);flex:none;}
.pk-badge .dot.coral{background:var(--pk-coral);}
.pk-badge .dot.green{background:var(--pk-500);}
.pk-badge b{font-size:18px;font-weight:800;color:var(--pk-900);}
.pk-badge span{font-size:12px;color:var(--pk-ink-3);}

/* ============ 通用板块 ============ */
.pk-section{padding:56px 0;}
.pk-section--tight{padding-top:24px;}
.pk-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.pk-sec-head h2{font-size:30px;font-weight:700;line-height:1.3;}
.pk-sec-head p{margin-top:10px;font-size:15px;color:var(--pk-ink-2);max-width:720px;}
.pk-sec-head .pk-more{
  display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--pk-line);font-size:14px;font-weight:600;color:var(--pk-700);white-space:nowrap;
}
.pk-sec-head .pk-more:hover{background:var(--pk-mint);color:var(--pk-900);}

/* ============ 两栏布局 ============ */
.pk-cols{display:grid;grid-template-columns:250px 1fr;gap:34px;align-items:start;}
.pk-toc{
  position:sticky;top:96px;background:#fff;border:1px solid var(--pk-line);
  border-radius:var(--r-lg);padding:20px 18px;box-shadow:var(--sh-card);
}
.pk-toc h3{font-size:14px;font-weight:700;color:var(--pk-ink-3);letter-spacing:.6px;margin-bottom:12px;}
.pk-toc a{
  display:block;padding:9px 12px;border-left:2px solid var(--pk-line);
  border-radius:0 10px 10px 0;font-size:14px;color:var(--pk-ink-2);transition:all var(--ease);
}
.pk-toc a:hover{color:var(--pk-700);background:#f6faf8;border-left-color:var(--pk-500);}
.pk-toc a.active{color:var(--pk-700);font-weight:700;background:var(--pk-mint);border-left:3px solid var(--pk-700);}
.pk-toc .pk-toc-cta{margin-top:16px;padding-top:16px;border-top:1px solid var(--pk-line);}

/* 紧凑行卡 */
.pk-rowcard{
  display:flex;align-items:center;gap:16px;padding:18px 20px;margin-bottom:12px;
  background:#fff;border:1px solid var(--pk-line);border-radius:var(--r-md);
  box-shadow:var(--sh-card);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.pk-rowcard:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#cfe4dd;}
.pk-rowcard-main{flex:1;min-width:0;}
.pk-rowcard h3{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:5px;}
.pk-rowcard p{font-size:14px;color:var(--pk-ink-2);line-height:1.7;}
.pk-rowcard-meta{font-size:12px;color:var(--pk-ink-3);margin-top:8px;display:flex;gap:14px;flex-wrap:wrap;}
.pk-rowcard .arrow{
  width:38px;height:38px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:var(--pk-mint);color:var(--pk-700);transition:all var(--ease);
}
.pk-rowcard:hover .arrow{background:var(--pk-grad-accent);color:#fff;}

/* 内容网格卡 */
.pk-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.pk-card{
  background:#fff;border:1px solid var(--pk-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.pk-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#cfe4dd;}
.pk-card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--pk-mint);}
.pk-card-media img{width:100%;height:100%;transition:transform 380ms ease;}
.pk-card:hover .pk-card-media img{transform:scale(1.04);}
.pk-card-media::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,48,42,0) 46%,rgba(6,48,42,.42) 100%);
  opacity:0;transition:opacity var(--ease);
}
.pk-card:hover .pk-card-media::after{opacity:1;}
.pk-tag{
  position:absolute;left:12px;top:12px;z-index:2;padding:4px 11px;border-radius:var(--r-pill);
  background:var(--pk-mint);color:var(--pk-900);font-size:12px;font-weight:700;
}
.pk-card-body{padding:18px 20px 20px;}
.pk-card-body h3{font-size:18px;font-weight:700;line-height:1.5;margin-bottom:8px;}
.pk-card-body p{font-size:14px;color:var(--pk-ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pk-card-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:14px;padding-top:12px;border-top:1px solid var(--pk-line);font-size:12px;color:var(--pk-ink-3);
}
.pk-card-foot i{color:var(--pk-700);}

/* 竖屏片段条 */
.pk-rail-wrap{position:relative;}
.pk-rail{
  display:flex;gap:16px;overflow-x:auto;padding:6px 4px 22px;
  scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none;
}
.pk-rail::-webkit-scrollbar{display:none;}
.pk-rail-wrap::after{
  content:"";position:absolute;right:0;top:0;bottom:22px;width:70px;pointer-events:none;
  background:linear-gradient(90deg,rgba(251,246,239,0),rgba(251,246,239,.95));
}
.pk-vcard{
  position:relative;flex:0 0 220px;aspect-ratio:9/16;border-radius:var(--r-lg);
  overflow:hidden;scroll-snap-align:start;box-shadow:var(--sh-card);background:var(--pk-900);
}
.pk-vcard img{width:100%;height:100%;transition:transform 420ms ease;}
.pk-vcard:hover img{transform:scale(1.05);}
.pk-vcard::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,48,42,.05) 35%,rgba(6,48,42,.82) 100%);
}
.pk-vplay{
  position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);z-index:2;
  width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
  background:rgba(14,91,74,.72);color:#fff;font-size:15px;backdrop-filter:blur(4px);
  transition:transform var(--ease),background var(--ease);
}
.pk-vcard:hover .pk-vplay{transform:translate(-50%,-50%) scale(1.08);background:rgba(255,90,92,.9);}
.pk-vcard .vk-time{
  position:absolute;right:10px;top:10px;z-index:2;padding:3px 9px;border-radius:var(--r-pill);
  background:rgba(6,48,42,.6);color:#fff;font-size:12px;font-weight:600;
}
.pk-vcard .vk-title{
  position:absolute;left:14px;right:14px;bottom:14px;z-index:2;color:#fff;
  font-size:14px;font-weight:700;line-height:1.5;
}
.pk-vcard .vk-title small{display:block;font-size:12px;font-weight:500;color:rgba(255,255,255,.72);margin-top:4px;}

/* ============ FAQ ============ */
.pk-faq-card{background:#fff;border:1px solid var(--pk-line);border-radius:var(--r-lg);padding:10px 22px;box-shadow:var(--sh-card);}
.pk-faq-card .accordion-item{border:0;border-bottom:1px solid var(--pk-line);background:transparent;}
.pk-faq-card .accordion-item:last-child{border-bottom:0;}
.pk-faq-card .accordion-button{
  background:transparent;color:var(--pk-ink);font-size:16px;font-weight:600;
  padding:18px 4px;box-shadow:none;
}
.pk-faq-card .accordion-button:not(.collapsed){
  color:var(--pk-700);background:var(--pk-mint);box-shadow:inset 3px 0 0 var(--pk-700);
  border-radius:6px;
}
.pk-faq-card .accordion-button:focus{box-shadow:inset 3px 0 0 var(--pk-700);}
.pk-faq-card .accordion-button::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230E5B4A'%3E%3Cpath d='M8 11 2 5h12z'/%3E%3C/svg%3E");
}
.pk-faq-card .accordion-body{padding:6px 4px 22px;font-size:15px;color:var(--pk-ink-2);line-height:1.85;}

/* ============ 相关分类 ============ */
.pk-links{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.pk-linkcard{
  display:flex;align-items:center;gap:14px;padding:18px 20px;background:#fff;
  border:1px solid var(--pk-line);border-radius:var(--r-md);box-shadow:var(--sh-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.pk-linkcard:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#cfe4dd;color:var(--pk-900);}
.pk-linkcard .ic{
  width:42px;height:42px;border-radius:14px;flex:none;display:grid;place-items:center;
  background:var(--pk-mint);color:var(--pk-700);font-size:16px;
}
.pk-linkcard b{display:block;font-size:16px;font-weight:700;color:var(--pk-ink);}
.pk-linkcard span{font-size:13px;color:var(--pk-ink-3);}

/* ============ CTA ============ */
.pk-cta{
  background:var(--pk-grad);border-radius:var(--r-xl);padding:42px 44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--sh-hero);position:relative;overflow:hidden;
}
.pk-cta::before{
  content:"";position:absolute;right:-40px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(245,184,65,.28) 0%,rgba(245,184,65,0) 70%);
}
.pk-cta h2{color:#fff;font-size:28px;font-weight:800;line-height:1.35;}
.pk-cta p{color:rgba(255,255,255,.82);font-size:15px;margin-top:10px;max-width:640px;}
.pk-cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none;position:relative;z-index:2;}

/* ============ 空态 ============ */
.pk-empty{
  border:1px dashed var(--pk-line);border-radius:var(--r-lg);background:#fff;
  min-height:190px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;text-align:center;padding:32px 20px;
}
.pk-empty i{font-size:40px;color:#c2d6cf;}
.pk-empty b{font-size:16px;color:var(--pk-ink);}
.pk-empty span{font-size:14px;color:var(--pk-ink-3);}

/* ============ 页脚 ============ */
.pk-footer{margin-top:72px;background:var(--pk-grad);color:#fff;padding:56px 0 26px;}
.pk-footer .pk-logo-text{color:#fff;}
.pk-footer .pk-logo-text small{color:rgba(255,255,255,.6);}
.pk-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.pk-footer-grid h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;letter-spacing:.4px;}
.pk-footer-grid p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.8;margin-top:14px;max-width:340px;}
.pk-footer-grid ul li{margin-bottom:10px;}
.pk-footer-grid ul li a{color:rgba(255,255,255,.74);font-size:14px;}
.pk-footer-grid ul li a:hover{color:#fff;}
.pk-qr{
  width:74px;height:74px;border-radius:14px;margin-top:16px;display:grid;place-items:center;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.8);font-size:30px;
}
.pk-footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.6);line-height:1.8;
}

/* ============ 响应式 ============ */
@media (min-width:1536px){
  .pk-container{max-width:1320px;}
}
@media (max-width:1199px){
  .pk-pagehead h1{font-size:38px;}
  .pk-grid3{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:991px){
  .pk-cols{grid-template-columns:1fr;gap:22px;}
  .pk-toc{position:static;}
  .pk-toc ul{display:flex;flex-wrap:wrap;gap:8px;}
  .pk-toc a{border-left:0;border:1px solid var(--pk-line);border-radius:var(--r-pill);padding:7px 14px;}
  .pk-toc a.active{border-left:1px solid transparent;background:var(--pk-mint);}
  .pk-toc .pk-toc-cta{width:100%;}
  .pk-grid3{grid-template-columns:repeat(2,1fr);}
  .pk-footer-grid{grid-template-columns:1fr 1fr;}
  .pk-cta{flex-direction:column;align-items:flex-start;padding:34px 28px;}
  .pk-pagehead h1{font-size:34px;}
  .pk-section{padding:48px 0;}
}
@media (max-width:767px){
  .pk-nav{flex-wrap:wrap;height:auto;padding:10px 0;row-gap:10px;}
  .pk-chips{order:3;width:100%;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
  .pk-chips::-webkit-scrollbar{display:none;}
  .pk-burger{display:grid;place-items:center;}
  .pk-nav-right .pk-btn--sm{min-height:40px;padding:0 14px;}
  .pk-pagehead{padding:14px 0 36px;}
  .pk-pagehead h1{font-size:30px;}
  .pk-pagehead .pk-sub{font-size:15px;}
  .pk-sec-head{flex-direction:column;align-items:flex-start;}
  .pk-grid3{grid-template-columns:1fr;}
  .pk-links{grid-template-columns:1fr;}
  .pk-footer-grid{grid-template-columns:1fr;}
  .pk-footer{margin-top:52px;padding:44px 0 24px;}
  .pk-cta h2{font-size:23px;}
  .pk-cta-actions{width:100%;}
  .pk-cta-actions .pk-btn{width:100%;}
  .pk-badges{gap:10px;}
  .pk-badge{flex:1 1 45%;justify-content:flex-start;}
  .pk-rowcard{padding:16px;}
  .pk-rowcard .arrow{display:none;}
  .pk-vcard{flex:0 0 172px;}
  .pk-section{padding:40px 0;}
}
@media (max-width:520px){
  .pk-container{padding:0 16px;}
  .pk-logo-text{font-size:15px;}
  .pk-logo-text small{font-size:10px;}
  .pk-pagehead h1{font-size:27px;}
  .pk-sec-head h2{font-size:23px;}
}

/* roulang page: category3 */
:root{
  --pk-900:#06302A;
  --pk-700:#0E5B4A;
  --pk-500:#14806A;
  --pk-coral:#FF5A5C;
  --pk-coral-d:#E23B45;
  --pk-gold:#F5B841;
  --pk-sand:#FBF6EF;
  --pk-mint:#E6F2EE;
  --pk-ink:#12211D;
  --pk-ink-2:#55655F;
  --pk-ink-3:#8A9993;
  --pk-line:#E4EAE6;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 2px 10px rgba(6,48,42,.06);
  --sh-2:0 12px 32px rgba(6,48,42,.10);
  --sh-3:0 24px 60px rgba(6,48,42,.18);
  --grad:linear-gradient(135deg,#06302A 0%,#0E5B4A 55%,#14806A 100%);
  --grad-hot:linear-gradient(90deg,#FF5A5C 0%,#F5B841 100%);
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --bs-body-color:#12211D;
  --bs-body-bg:#FBF6EF;
  --bs-link-color:#0E5B4A;
  --bs-link-hover-color:#14806A;
  --bs-primary:#14806A;
  --bs-border-color:#E4EAE6;
}
*,*::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","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--pk-ink);
  background:var(--pk-sand);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--pk-700);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--pk-500)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--pk-ink);letter-spacing:-.3px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--pk-coral);outline-offset:3px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

.pk-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1536px){.pk-container{max-width:1320px}}

/* ============ 顶部导航 ============ */
.pk-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(251,246,239,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.pk-header.is-scrolled{border-bottom-color:var(--pk-line);box-shadow:0 6px 24px rgba(6,48,42,.07)}
.pk-nav{display:flex;align-items:center;gap:18px;height:72px}
.pk-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.pk-logo-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:16px;
  box-shadow:0 8px 18px rgba(6,48,42,.24);
}
.pk-logo-text{display:flex;flex-direction:column;line-height:1.15;font-weight:800;font-size:17px;color:var(--pk-ink)}
.pk-logo-text small{font-size:11px;font-weight:500;color:var(--pk-ink-3);letter-spacing:.6px;margin-top:3px}
.pk-chips{
  display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;
  overflow-x:auto;scrollbar-width:none;
}
.pk-chips::-webkit-scrollbar{display:none}
.pk-chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--pk-line);
  color:var(--pk-700);font-size:14px;font-weight:600;white-space:nowrap;
  transition:all .22s ease;
}
.pk-chip:hover{background:var(--pk-mint);border-color:#cfe3db;color:var(--pk-700);transform:translateY(-1px)}
.pk-chip.active{background:var(--pk-700);border-color:var(--pk-700);color:#fff;box-shadow:0 6px 16px rgba(14,91,74,.24)}
.pk-nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.pk-search-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--pk-line);background:#fff;color:var(--pk-700);
  display:grid;place-items:center;cursor:pointer;transition:all .22s ease;
}
.pk-search-btn:hover{background:var(--pk-mint);transform:translateY(-1px)}
.pk-burger{
  display:none;width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--pk-line);background:#fff;color:var(--pk-700);
  place-items:center;cursor:pointer;
}
.pk-search-panel{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
  border-top:1px solid transparent;
}
.pk-search-panel.open{max-height:120px;border-top-color:var(--pk-line)}
.pk-search-panel form{display:flex;gap:10px;padding:14px 0}
.pk-search-panel input{
  flex:1 1 auto;height:48px;border-radius:14px;border:1px solid var(--pk-line);
  padding:0 16px;font-size:15px;background:#fff;color:var(--pk-ink);
}
.pk-search-panel input:focus{outline:none;border-color:var(--pk-500);box-shadow:0 0 0 3px var(--pk-mint)}

/* 移动抽屉 */
.pk-drawer{
  position:fixed;inset:0;z-index:1040;
  background:linear-gradient(160deg,rgba(6,48,42,.97),rgba(20,128,106,.95));
  padding:24px 24px 40px;
  transform:translateX(100%);transition:transform .3s ease;
  display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
.pk-drawer.open{transform:translateX(0)}
.pk-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.pk-drawer-head .pk-logo-text{color:#fff}
.pk-drawer-head .pk-logo-text small{color:rgba(255,255,255,.6)}
.pk-drawer-close{
  width:44px;height:44px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.3);
  background:transparent;color:#fff;font-size:18px;display:grid;place-items:center;cursor:pointer;
}
.pk-drawer a.pk-drawer-link{
  color:#fff;font-size:18px;font-weight:600;padding:16px 4px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.pk-drawer a.pk-drawer-link:hover{color:var(--pk-gold)}
.pk-drawer .pk-btn{margin-top:22px;justify-content:center}

/* ============ 按钮 ============ */
.pk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:700;padding:13px 26px;cursor:pointer;
  transition:all .22s ease;text-align:center;line-height:1.2;
}
.pk-btn--primary{background:var(--grad-hot);color:#fff;box-shadow:0 10px 24px rgba(226,59,69,.26)}
.pk-btn--primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px)}
.pk-btn--ghost{background:transparent;border-color:rgba(14,91,74,.4);color:var(--pk-700)}
.pk-btn--ghost:hover{background:var(--pk-mint);color:var(--pk-700);transform:translateY(-2px)}
.pk-btn--light{background:#fff;color:var(--pk-700);box-shadow:var(--sh-1)}
.pk-btn--light:hover{background:var(--pk-mint);color:var(--pk-700);transform:translateY(-2px)}
.pk-btn--sm{padding:10px 18px;font-size:14px}

/* ============ 面包屑 ============ */
.pk-crumb{padding:20px 0 0;font-size:12.5px;color:var(--pk-ink-3)}
.pk-crumb a{color:var(--pk-ink-3)}
.pk-crumb a:hover{color:var(--pk-500)}
.pk-crumb span.sep{margin:0 8px;opacity:.6}
.pk-crumb strong{color:var(--pk-700);font-weight:600}

/* ============ Hero ============ */
.pk-hero{
  position:relative;overflow:hidden;margin-top:16px;
  border-radius:var(--r-xl);
  background:var(--grad);
  color:#fff;
  padding:64px 40px 56px;
  box-shadow:var(--sh-3);
  text-align:center;
}
.pk-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.16;mix-blend-mode:luminosity;
}
.pk-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 18% 22%,rgba(245,184,65,.20),transparent 45%),
             radial-gradient(circle at 84% 78%,rgba(255,90,92,.18),transparent 48%);
  pointer-events:none;
}
.pk-hero > *{position:relative;z-index:2}
.pk-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:13px;font-weight:600;letter-spacing:.4px;
}
.pk-hero h1{
  color:#fff;font-size:46px;font-weight:800;line-height:1.22;letter-spacing:-.5px;
  margin:22px auto 0;max-width:900px;
}
.pk-hero-sub{
  color:rgba(255,255,255,.86);font-size:17px;line-height:1.8;
  margin:18px auto 0;max-width:660px;
}
.pk-hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px}
.pk-hero-actions .pk-btn--ghost{border-color:rgba(255,255,255,.5);color:#fff}
.pk-hero-actions .pk-btn--ghost:hover{background:rgba(255,255,255,.14);color:#fff}

/* 数据徽章 */
.pk-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  margin-top:40px;
}
.pk-stat{
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-md);padding:16px 14px;text-align:center;
}
.pk-stat b{display:block;font-size:21px;font-weight:800;color:#fff;letter-spacing:.4px}
.pk-stat span{display:block;font-size:12px;color:rgba(255,255,255,.72);margin-top:4px}

/* ============ 板块 ============ */
.pk-section{padding:78px 0}
.pk-section--tight{padding:64px 0}
.pk-section--mint{background:var(--pk-mint)}
.pk-section-head{max-width:760px;margin-bottom:40px}
.pk-section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.pk-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:1.2px;
  color:var(--pk-500);text-transform:uppercase;
  background:var(--pk-mint);border-radius:var(--r-pill);padding:6px 14px;
}
.pk-section h2{
  font-size:32px;font-weight:700;line-height:1.3;margin-top:14px;
  position:relative;
}
.pk-section h2::after{
  content:"";display:block;width:52px;height:4px;border-radius:2px;
  background:var(--grad-hot);margin-top:14px;
}
.pk-section-head.center h2::after{margin-left:auto;margin-right:auto}
.pk-section-lead{color:var(--pk-ink-2);font-size:16px;margin-top:16px;line-height:1.85}

/* ============ 磁贴瀑布 ============ */
.pk-tiles{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;align-items:start}
.pk-tile{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--pk-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
  color:inherit;
}
.pk-tile:hover{transform:translateY(-4px);box-shadow:var(--sh-2);color:inherit}
.pk-tile--w4{grid-column:span 4}
.pk-tile--w2{grid-column:span 2}
.pk-tile--w3{grid-column:span 3}
.pk-tile-media{position:relative;overflow:hidden}
.pk-tile--r169 .pk-tile-media{aspect-ratio:16/9}
.pk-tile--r45 .pk-tile-media{aspect-ratio:4/5}
.pk-tile-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.pk-tile:hover .pk-tile-media img{transform:scale(1.04)}
.pk-tile-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(6,48,42,.55) 100%);
  opacity:0;transition:opacity .3s ease;
}
.pk-tile:hover .pk-tile-media::after{opacity:1}
.pk-tile-tag{
  position:absolute;left:12px;top:12px;z-index:2;
  background:rgba(230,242,238,.94);color:var(--pk-700);
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:var(--r-pill);
}
.pk-tile-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.pk-tile-body h3{font-size:19px;font-weight:700;line-height:1.45}
.pk-tile-body p{color:var(--pk-ink-2);font-size:14.5px;line-height:1.8}
.pk-tile-more{
  margin-top:auto;padding-top:6px;font-size:13.5px;font-weight:700;
  color:var(--pk-coral-d);display:inline-flex;align-items:center;gap:6px;
}
.pk-tile-more i{transition:transform .22s ease}
.pk-tile:hover .pk-tile-more i{transform:translateX(4px)}

/* ============ 编号步骤 ============ */
.pk-steps{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.pk-step{
  display:grid;grid-template-columns:64px 1fr;gap:18px;
  background:#fff;border:1px solid var(--pk-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.pk-step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.pk-step-no{
  width:64px;height:64px;border-radius:20px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:22px;font-weight:800;
  font-variant-numeric:tabular-nums;box-shadow:0 10px 20px rgba(6,48,42,.20);
}
.pk-step h3{font-size:18px;font-weight:700;line-height:1.5}
.pk-step p{color:var(--pk-ink-2);font-size:14.5px;margin-top:8px;line-height:1.8}
.pk-step-chip{
  display:inline-block;margin-top:12px;font-size:12px;font-weight:700;
  color:var(--pk-700);background:var(--pk-mint);border-radius:var(--r-pill);padding:4px 12px;
}

/* ============ 玩法笔记卡片 ============ */
.pk-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pk-note{
  background:#fff;border:1px solid var(--pk-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;
}
.pk-note:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.pk-note-media{aspect-ratio:16/9;overflow:hidden;position:relative}
.pk-note-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.pk-note:hover .pk-note-media img{transform:scale(1.04)}
.pk-note-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.pk-note-body h3{font-size:17px;font-weight:700;line-height:1.5}
.pk-note-body p{color:var(--pk-ink-2);font-size:14px;line-height:1.8}
.pk-note-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--pk-ink-3);padding-top:10px;border-top:1px dashed var(--pk-line);
}
.pk-note-meta i{color:var(--pk-coral-d)}

/* ============ 评论口碑条 ============ */
.pk-reviews{
  display:flex;gap:16px;overflow-x:auto;padding:6px 4px 22px;
  scroll-snap-type:x mandatory;
}
.pk-reviews::-webkit-scrollbar{height:6px}
.pk-reviews::-webkit-scrollbar-thumb{background:#cfded8;border-radius:3px}
.pk-review{
  flex:0 0 auto;width:308px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--pk-line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);
}
.pk-review-head{display:flex;align-items:center;gap:12px}
.pk-avatar{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  background:var(--pk-mint);color:var(--pk-700);font-weight:800;font-size:16px;
}
.pk-review-name{font-size:14px;font-weight:700}
.pk-review-time{font-size:12px;color:var(--pk-ink-3)}
.pk-review p{font-size:14px;color:var(--pk-ink-2);line-height:1.8;margin-top:14px}
.pk-review-foot{margin-top:14px;display:flex;align-items:center;justify-content:space-between}
.pk-stars{color:var(--pk-gold);font-size:13px;letter-spacing:2px}
.pk-verified{
  font-size:11.5px;font-weight:700;color:var(--pk-700);
  background:var(--pk-mint);border-radius:var(--r-pill);padding:4px 10px;
}

/* ============ FAQ ============ */
.pk-faq-wrap{
  background:#fff;border:1px solid var(--pk-line);border-radius:var(--r-xl);
  padding:14px 28px;box-shadow:var(--sh-1);
}
.pk-accordion .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--pk-line)}
.pk-accordion .accordion-item:last-child{border-bottom:0}
.pk-accordion .accordion-button{
  position:relative;background:transparent;box-shadow:none;
  font-size:16px;font-weight:600;color:var(--pk-ink);
  padding:20px 8px 20px 18px;border-radius:0;
}
.pk-accordion .accordion-button:not(.collapsed){color:var(--pk-700);background:transparent}
.pk-accordion .accordion-button:focus{box-shadow:none;outline:2px solid var(--pk-mint);outline-offset:-3px}
.pk-accordion .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  border-radius:2px;background:var(--pk-700);
}
.pk-accordion .accordion-button::after{
  width:14px;height:14px;background-size:14px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230E5B4A'%3E%3Cpath d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
}
.pk-accordion .accordion-button:not(.collapsed)::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230E5B4A'%3E%3Cpath d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
}
.pk-accordion .accordion-body{
  color:var(--pk-ink-2);font-size:15px;line-height:1.85;
  padding:0 28px 22px 18px;
}

/* ============ CTA ============ */
.pk-cta{
  border-radius:var(--r-xl);background:var(--grad);color:#fff;
  padding:56px 40px;position:relative;overflow:hidden;
  box-shadow:var(--sh-3);text-align:center;
}
.pk-cta::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;opacity:.14;
}
.pk-cta > *{position:relative;z-index:2}
.pk-cta h2{color:#fff;font-size:32px;font-weight:700;margin-bottom:14px}
.pk-cta h2::after{margin-left:auto;margin-right:auto}
.pk-cta p{color:rgba(255,255,255,.85);font-size:16px;max-width:640px;margin:0 auto;line-height:1.85}
.pk-cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px}
.pk-cta-actions .pk-btn--ghost{border-color:rgba(255,255,255,.5);color:#fff}
.pk-cta-actions .pk-btn--ghost:hover{background:rgba(255,255,255,.14);color:#fff}

/* 相关分类 */
.pk-related{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:34px;
}
.pk-related a{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);
  color:#fff;font-size:13.5px;font-weight:600;
  padding:10px 18px;border-radius:var(--r-pill);transition:all .22s ease;
}
.pk-related a:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px)}

/* ============ 页脚 ============ */
.pk-footer{
  margin-top:78px;background:linear-gradient(160deg,#06302A 0%,#0E5B4A 60%,#14806A 100%);
  color:rgba(255,255,255,.78);padding:64px 0 28px;
}
.pk-footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;
}
.pk-footer .pk-logo-text{color:#fff;font-size:18px}
.pk-footer .pk-logo-text small{color:rgba(255,255,255,.55)}
.pk-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);margin-top:16px}
.pk-footer h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.5px}
.pk-footer ul li{margin-bottom:10px}
.pk-footer ul a{color:rgba(255,255,255,.7);font-size:14px}
.pk-footer ul a:hover{color:#fff}
.pk-qr{
  margin-top:16px;width:76px;height:76px;border-radius:14px;
  background:rgba(255,255,255,.10);border:1px dashed rgba(255,255,255,.3);
  display:grid;place-items:center;font-size:30px;color:rgba(255,255,255,.6);
}
.pk-footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.5);line-height:1.7;
}

/* 吸底下载条 */
.pk-sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1035;
  display:none;align-items:center;gap:12px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(6,48,42,.94);backdrop-filter:blur(10px);
}
.pk-sticky-cta .pk-btn{flex:1 1 auto}
.pk-sticky-cta .close{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.28);
  background:transparent;color:#fff;display:grid;place-items:center;cursor:pointer;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .pk-hero h1{font-size:38px}
  .pk-tiles{gap:16px}
}
@media (max-width:991px){
  .pk-nav{height:64px;gap:12px}
  .pk-chips{position:absolute;left:0;right:0;top:64px;padding:8px 20px 10px;
    background:rgba(251,246,239,.94);border-bottom:1px solid var(--pk-line);justify-content:flex-start}
  .pk-header{padding-bottom:52px}
  .pk-hero{margin-top:56px;padding:48px 26px 44px}
  .pk-hero h1{font-size:32px}
  .pk-step{grid-template-columns:52px 1fr;gap:14px;padding:20px}
  .pk-step-no{width:52px;height:52px;border-radius:16px;font-size:18px}
  .pk-notes{grid-template-columns:repeat(2,1fr)}
  .pk-footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .pk-section{padding:60px 0}
}
@media (max-width:767px){
  .pk-nav-right .pk-btn{display:none}
  .pk-burger{display:grid}
  .pk-search-btn{display:none}
  .pk-hero{padding:40px 20px 38px;border-radius:var(--r-lg)}
  .pk-hero h1{font-size:30px}
  .pk-hero-sub{font-size:15.5px}
  .pk-stats{grid-template-columns:repeat(2,1fr);gap:10px}
  .pk-tiles{grid-template-columns:1fr}
  .pk-tile--w4,.pk-tile--w2,.pk-tile--w3{grid-column:span 1}
  .pk-tile--r45 .pk-tile-media{aspect-ratio:16/10}
  .pk-steps{grid-template-columns:1fr}
  .pk-notes{grid-template-columns:1fr}
  .pk-section h2{font-size:25px}
  .pk-cta{padding:40px 22px;border-radius:var(--r-lg)}
  .pk-cta h2{font-size:25px}
  .pk-faq-wrap{padding:8px 18px;border-radius:var(--r-lg)}
  .pk-footer-grid{grid-template-columns:1fr;gap:28px}
  .pk-footer{padding:48px 0 22px;margin-top:56px}
  .pk-review{width:272px}
  .pk-sticky-cta{display:flex}
  body{padding-bottom:72px}
}
@media (max-width:520px){
  .pk-hero h1{font-size:26px}
  .pk-hero-actions .pk-btn{width:100%}
  .pk-cta-actions .pk-btn{width:100%}
}