/* roulang page: index */
:root{
  --brand-500:#FF5A1F;
  --brand-600:#E8440E;
  --brand-300:#FF8A3D;
  --brand-100:#FFE6D8;
  --electric:#12DFC0;
  --lemon:#FFD84D;
  --ink-900:#14100D;
  --ink-800:#1E1815;
  --paper:#FBF7F2;
  --line-light:#EADFD3;
  --line-dark:rgba(255,255,255,.12);
  --text-dark:#241C16;
  --muted-dark:#6B5B4E;
  --text-light:#FFFFFF;
  --muted-light:#C9BDB2;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-warm:0 18px 44px -26px rgba(255,90,31,.45);
  --shadow-dark:0 20px 48px -30px rgba(0,0,0,.8);
  --grad:linear-gradient(120deg,#FF8A3D,#FF5A1F 45%,#FF2E7E);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-dark);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}
.container-x{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container-x{padding:0 32px}}
@media(min-width:1280px){.container-x{padding:0 40px}}
.section{padding:56px 0;position:relative}
@media(min-width:768px){.section{padding:72px 0}}
@media(min-width:1024px){.section{padding:96px 0}}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.sec-title{font-size:clamp(24px,3vw,38px);line-height:1.25;font-weight:800;letter-spacing:-.01em}
.sec-desc{margin-top:10px;color:var(--muted-dark);max-width:620px;font-size:15px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-600)}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand-500);border-radius:2px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--brand-600);border-bottom:2px solid transparent;transition:gap .2s,border-color .2s,color .2s;min-height:44px}
.link-arrow span{transition:transform .2s}
.link-arrow:hover{border-color:var(--brand-500)}
.link-arrow:hover span{transform:translateX(4px)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:12px 24px;border-radius:999px;font-weight:700;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .2s,filter .2s,background .2s,border-color .2s,color .2s,box-shadow .2s;line-height:1.2}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 18px 34px -22px rgba(255,90,31,.95)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);filter:brightness(.98)}
.btn-ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.26);color:#fff}
.btn-ghost:hover{border-color:var(--brand-300);background:rgba(255,255,255,.12)}
.btn-outline{background:#fff;border-color:var(--ink-900);color:var(--ink-900);box-shadow:4px 4px 0 var(--ink-900)}
.btn-outline:hover{transform:translate(-1px,-1px);box-shadow:6px 6px 0 var(--ink-900)}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px}

/* 顶部导航 */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(20,16,13,.42);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.14);box-shadow:0 12px 30px -26px rgba(0,0,0,.9);transition:background .24s ease,box-shadow .24s ease,border-color .24s ease}
.site-header.is-stuck{background:rgba(20,16,13,.96);box-shadow:0 18px 40px -26px rgba(0,0,0,.95);border-bottom-color:rgba(255,255,255,.08)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:38px;height:38px;border-radius:12px;background:var(--grad);display:grid;place-items:center;color:#fff;box-shadow:0 10px 22px -14px rgba(255,90,31,.95);flex:0 0 auto}
.logo-text{display:block;font-size:17px;font-weight:800;color:#fff;line-height:1.15;letter-spacing:.01em}
.logo-sub{display:block;font-size:9px;font-weight:600;letter-spacing:.18em;color:var(--muted-light);margin-top:2px}
.nav-links{display:none}
@media(min-width:1024px){.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;margin-right:auto}}
.nav-link{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:8px 14px;font-size:15px;font-weight:600;color:#E8DED4;border-radius:999px;transition:color .2s,background .2s}
.nav-link::after{content:"";position:absolute;left:50%;right:50%;bottom:6px;height:2px;border-radius:2px;background:var(--brand-500);transition:left .25s ease,right .25s ease}
.nav-link:hover{color:#fff}
.nav-link:hover::after{left:14px;right:14px}
.nav-link.is-active{color:#fff;background:rgba(255,90,31,.18)}
.nav-link.is-active::after{left:14px;right:14px}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{width:44px;height:44px;border-radius:999px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;display:grid;place-items:center;cursor:pointer;transition:border-color .2s,background .2s,color .2s,transform .2s}
.icon-btn:hover{border-color:var(--brand-300);color:var(--brand-300);background:rgba(255,255,255,.12)}
.icon-btn:active{transform:scale(.96)}
.nav-cta{display:none}
@media(min-width:1024px){.nav-cta{display:inline-flex}}
.burger{display:grid;place-items:center;width:44px;height:44px;border-radius:999px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);cursor:pointer;transition:border-color .2s,background .2s}
.burger:hover{border-color:var(--brand-300)}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;transition:transform .25s,opacity .2s}
.burger span+span{margin-top:4px}
@media(min-width:1024px){.burger{display:none}}

/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:80;background:rgba(20,16,13,.97);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);padding:20px;display:none;overflow-y:auto}
.drawer.is-open{display:block}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}
.drawer-nav{display:grid;gap:8px}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;min-height:56px;padding:14px 18px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);color:#fff;font-weight:700;font-size:16px;transition:border-color .2s,background .2s,transform .2s}
.drawer-nav a:hover,.drawer-nav a.is-active{border-color:var(--brand-500);background:rgba(255,90,31,.18);transform:translateX(2px)}
.drawer-nav a em{font-style:normal;font-size:12px;color:var(--muted-light);font-weight:600}
.drawer-foot{margin-top:28px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12)}
.drawer-foot .btn{width:100%}
.drawer-foot p{margin-top:14px;font-size:13px;color:var(--muted-light);text-align:center}

/* Hero */
.hero{position:relative;color:#fff;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;padding:132px 0 64px;overflow:hidden}
@media(min-width:768px){.hero{padding:150px 0 80px}}
@media(min-width:1024px){.hero{padding:170px 0 96px;min-height:620px}}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(20,16,13,.95) 0%,rgba(20,16,13,.86) 38%,rgba(20,16,13,.52) 66%,rgba(255,90,31,.34) 100%)}
.hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);background-size:20px 20px;opacity:.5;pointer-events:none}
.hero .container-x{position:relative;z-index:2}
.hero-inner{display:grid;gap:40px}
@media(min-width:1024px){.hero-inner{grid-template-columns:1.15fr .85fr;align-items:center;gap:56px}}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);font-size:12px;font-weight:700;letter-spacing:.06em;color:#fff;margin-bottom:20px}
.hero-tag i{width:8px;height:8px;border-radius:50%;background:var(--electric);box-shadow:0 0 0 4px rgba(18,223,192,.18);font-style:normal}
.hero h1{font-size:clamp(30px,4.6vw,56px);line-height:1.15;font-weight:800;letter-spacing:-.02em}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:var(--brand-500)}
.hero-sub{margin-top:18px;font-size:clamp(15px,1.4vw,17px);color:#E4D8CD;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:34px;max-width:560px}
@media(min-width:640px){.hero-stats{grid-template-columns:repeat(4,minmax(0,1fr))}}
.stat{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.08);min-width:0}
.stat svg{flex:0 0 auto;color:var(--brand-300)}
.stat b{font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;white-space:nowrap}
.stat em{font-style:normal;display:block;font-size:11px;color:var(--muted-light);line-height:1.3;white-space:nowrap}
.hero-side{position:relative}
.hero-card{border-radius:var(--r-lg);border:1px solid rgba(255,255,255,.16);background:rgba(20,16,13,.55);padding:20px;box-shadow:var(--shadow-dark)}
.hero-card img{border-radius:var(--r-md);aspect-ratio:4/3;object-fit:cover;width:100%}
.hero-card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px}
.hero-card-foot strong{font-size:15px;font-weight:700}
.hero-card-foot span{font-size:12px;color:var(--muted-light)}

/* 玩法步骤 */
.step-flow{display:grid;gap:16px}
@media(min-width:768px){.step-flow{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}}
@media(min-width:1024px){.step-flow{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}}
.step{position:relative;padding:26px 22px;border-radius:var(--r-lg);background:#fff;border:1px solid var(--line-light);box-shadow:var(--shadow-warm);transition:transform .25s,box-shadow .25s,border-color .25s}
.step:hover{transform:translateY(-4px);border-color:var(--brand-300);box-shadow:0 24px 46px -28px rgba(255,90,31,.6)}
@media(min-width:1024px){.step:nth-child(even){margin-top:28px}}
.step-num{display:block;font-size:38px;font-weight:800;line-height:1;letter-spacing:-.03em;color:transparent;-webkit-text-stroke:1.5px var(--brand-500);font-variant-numeric:tabular-nums;margin-bottom:14px}
.step h3{font-size:19px;font-weight:700;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--muted-dark);line-height:1.75}
.step::after{content:"";position:absolute;right:-14px;top:56px;width:24px;border-top:2px dashed var(--line-light);display:none}
@media(min-width:1024px){.step:not(:last-child)::after{display:block}}

/* 奖励 */
.reward-wrap{background:var(--ink-900);color:#fff}
.reward-grid{display:grid;gap:20px}
@media(min-width:900px){.reward-grid{grid-template-columns:1.35fr .65fr;grid-template-rows:auto auto;gap:24px}}
.reward-main{position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line-dark);background:var(--ink-800);box-shadow:var(--shadow-dark);display:flex;flex-direction:column}
@media(min-width:900px){.reward-main{grid-row:span 2}}
.reward-main img{aspect-ratio:16/10;width:100%;object-fit:cover}
.reward-body{padding:22px}
@media(min-width:768px){.reward-body{padding:26px}}
.reward-side{display:flex;flex-direction:column;gap:12px;border-radius:var(--r-md);border:1px solid var(--line-dark);background:var(--ink-800);padding:18px 20px;box-shadow:var(--shadow-dark);transition:border-color .25s,transform .25s}
.reward-side:hover{border-color:var(--brand-500);transform:translateY(-3px)}
.reward-side h3{font-size:17px;font-weight:700;margin:10px 0 6px}
.reward-side p{font-size:13.5px;color:var(--muted-light)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.01em;border:1px solid transparent;line-height:1.6}
.badge-brand{background:rgba(255,90,31,.18);color:#FFB394;border-color:rgba(255,90,31,.42)}
.badge-lemon{background:rgba(255,216,77,.16);color:var(--lemon);border-color:rgba(255,216,77,.45)}
.badge-cyan{background:rgba(18,223,192,.14);color:var(--electric);border-color:rgba(18,223,192,.42)}
.badge-paper{background:#fff;color:var(--brand-600);border-color:var(--brand-100)}
.bar{height:8px;border-radius:8px;background:rgba(255,255,255,.14);overflow:hidden;margin-top:14px}
.bar i{display:block;height:100%;border-radius:8px;background:linear-gradient(90deg,#12DFC0,#0EA88F)}
.bar--lemon i{background:linear-gradient(90deg,#FFD84D,#FFB020)}
.bar--orange i{background:var(--grad)}
.bar-meta{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:8px;font-size:12px;color:var(--muted-light);font-variant-numeric:tabular-nums}
.reward-side .bar{background:rgba(255,255,255,.12)}
.reward-side .bar-meta{font-size:11.5px}

/* 周任务 */
.task-shell{border:1px solid var(--line-dark);border-radius:var(--r-lg);background:var(--ink-800);box-shadow:var(--shadow-dark);padding:24px;display:grid;gap:28px}
@media(min-width:1024px){.task-shell{grid-template-columns:.85fr 1.15fr;align-items:center;padding:32px;gap:40px}}
.ring{width:148px;height:148px;border-radius:50%;display:grid;place-items:center;margin:0 auto;background:conic-gradient(var(--brand-500) 0 68%,rgba(255,255,255,.1) 68% 100%);position:relative}
.ring::before{content:"";position:absolute;inset:10px;border-radius:50%;background:var(--ink-800)}
.ring b{position:relative;z-index:2;font-size:34px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.ring b i{font-style:normal;font-size:14px;color:var(--muted-light);font-weight:700}
.task-heading{text-align:center}
.task-heading h3{margin-top:16px;font-size:17px;font-weight:700}
.task-heading p{margin-top:6px;font-size:13.5px;color:var(--muted-light)}
.task-list{display:grid;gap:14px}
.task-item{padding:16px 18px;border-radius:var(--r-md);border:1px solid var(--line-dark);background:rgba(255,255,255,.04);transition:border-color .2s,background .2s}
.task-item:hover{border-color:rgba(255,90,31,.55);background:rgba(255,90,31,.08)}
.task-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.task-top strong{font-size:15px;font-weight:700}
.task-top span{font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--electric)}
.task-top span.is-lemon{color:var(--lemon)}
.task-item p{font-size:12.5px;color:var(--muted-light);margin-top:2px}
.task-item .bar{margin-top:10px}

/* 资讯列表 */
.news-grid{display:grid;gap:20px}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}}
.news-card{display:flex;flex-direction:column;border-radius:var(--r-lg);border:1px solid var(--line-light);background:#fff;overflow:hidden;box-shadow:0 12px 30px -26px rgba(36,28,22,.55);transition:transform .25s,border-color .25s,box-shadow .25s}
.news-card:hover{transform:translateY(-4px);border-color:var(--brand-500);box-shadow:0 24px 44px -30px rgba(255,90,31,.65)}
.news-thumb{position:relative;overflow:hidden;aspect-ratio:4/3}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-thumb .badge{position:absolute;top:12px;left:12px;background:#fff;color:var(--brand-600);border-color:var(--brand-100)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.news-title{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:51px}
.news-summary{margin-top:8px;font-size:14px;color:var(--muted-dark);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line-light);font-size:13px;color:var(--muted-dark);font-variant-numeric:tabular-nums}
.news-foot .go{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand-600);transition:gap .2s}
.news-card:hover .news-foot .go{gap:10px}
.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:12px;padding:48px 24px;border:1px dashed var(--line-light);border-radius:var(--r-lg);background:#fff}
.empty-state svg{color:var(--brand-300)}
.empty-state p{font-size:14.5px;color:var(--muted-dark)}

/* 内容栏目说明 */
.split{display:grid;gap:28px}
@media(min-width:1024px){.split{grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}}
.info-list{display:grid;gap:14px}
.info-item{display:flex;gap:16px;padding:18px 20px;border-radius:var(--r-md);border:1px solid var(--line-light);background:#fff;transition:border-color .2s,transform .2s,box-shadow .2s}
.info-item:hover{border-color:var(--brand-300);transform:translateX(3px);box-shadow:var(--shadow-warm)}
.info-idx{flex:0 0 auto;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--brand-100);color:var(--brand-600);font-weight:800;font-variant-numeric:tabular-nums}
.info-item h3{font-size:16.5px;font-weight:700;margin-bottom:4px}
.info-item p{font-size:14px;color:var(--muted-dark);line-height:1.7}
.aside-card{border-radius:var(--r-lg);border:1px solid var(--line-light);background:#fff;padding:24px;box-shadow:var(--shadow-warm)}
.aside-card img{border-radius:var(--r-md);aspect-ratio:4/3;object-fit:cover;width:100%;margin-bottom:18px}
.aside-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.aside-card p{font-size:14.5px;color:var(--muted-dark)}
.aside-facts{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.pill{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:var(--paper);border:1px solid var(--line-light);font-size:12.5px;font-weight:600;color:var(--muted-dark)}

/* FAQ */
.faq-wrap{background:#fff;border-top:1px solid var(--line-light);border-bottom:1px solid var(--line-light)}
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{border:1px solid var(--line-light);border-radius:var(--r-md);background:#fff;overflow:hidden;transition:border-color .2s,background .2s}
.faq-item.is-open{border-color:var(--brand-300);background:#FFF8F3}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;background:none;border:0;cursor:pointer;text-align:left;font-size:16px;font-weight:700;line-height:1.6;min-height:56px;transition:color .2s}
.faq-q:hover{color:var(--brand-600)}
.faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line-light);display:grid;place-items:center;font-size:16px;font-weight:700;color:var(--brand-600);transition:transform .25s,background .25s,border-color .25s}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand-500);border-color:var(--brand-500);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 20px 20px;font-size:14.5px;color:var(--muted-dark);line-height:1.85}

/* CTA 横幅 */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);background:linear-gradient(120deg,#1E1815 0%,#2A1B12 55%,#3A1C10 100%);color:#fff;padding:36px 24px;border:1px solid rgba(255,255,255,.1);box-shadow:var(--shadow-dark)}
@media(min-width:768px){.cta-band{padding:52px 44px}}
.cta-band::before{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(255,90,31,.55),transparent 70%)}
.cta-band::after{content:"";position:absolute;left:-60px;bottom:-90px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(18,223,192,.22),transparent 70%)}
.cta-inner{position:relative;z-index:2;display:grid;gap:24px}
@media(min-width:900px){.cta-inner{grid-template-columns:1.2fr .8fr;align-items:center;gap:40px}}
.cta-inner h2{font-size:clamp(24px,3vw,36px);font-weight:800;line-height:1.25}
.cta-inner p{margin-top:12px;font-size:15px;color:var(--muted-light);max-width:520px}
.cta-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media(min-width:900px){.cta-actions{justify-content:flex-end}}

/* 页脚 */
.site-footer{background:var(--ink-900);color:var(--muted-light);padding:56px 0 0;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad)}
.footer-grid{display:grid;gap:32px;padding-bottom:40px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:40px}}
.footer-brand .logo-text{font-size:18px}
.footer-brand p{margin-top:14px;font-size:13.5px;line-height:1.85;color:var(--muted-light);max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{width:40px;height:40px;border-radius:12px;border:1px solid var(--line-dark);display:grid;place-items:center;color:var(--muted-light);transition:border-color .2s,color .2s,transform .2s}
.footer-social a:hover{border-color:var(--brand-500);color:#fff;transform:translateY(-2px)}
.footer-col h4{font-size:14px;font-weight:700;color:var(--brand-300);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:4px}
.footer-col a{display:inline-flex;align-items:center;min-height:36px;font-size:14px;color:var(--muted-light);transition:color .2s,transform .2s}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.footer-col address{font-style:normal;font-size:13.5px;line-height:1.9}
.footer-col address a{min-height:auto;display:inline;color:var(--brand-300)}
.footer-bottom{border-top:1px solid var(--line-dark);padding:18px 0 24px;display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;font-size:12.5px;color:#8E8377}
.footer-bottom a{color:#B8ADA2;transition:color .2s}
.footer-bottom a:hover{color:var(--brand-300)}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --brand-300:#FF8A3D;
  --brand-500:#FF5A1F;
  --brand-600:#E8440E;
  --brand-700:#C4370B;
  --volt:#12DFC0;
  --lemon:#FFD84D;
  --ink-900:#14100D;
  --ink-800:#1E1815;
  --paper:#FBF7F2;
  --paper-2:#F4ECE2;
  --line:#EADFD3;
  --line-strong:#D6C4B0;
  --t-900:#241C16;
  --t-600:#6B5B4E;
  --t-300:#C9BDB2;
  --grad:linear-gradient(120deg,#FF8A3D,#FF5A1F 45%,#FF2E7E);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-warm:0 18px 44px -26px rgba(255,90,31,.45);
  --shadow-dark:0 20px 48px -30px rgba(0,0,0,.8);
  --shadow-hard:6px 6px 0 rgba(20,16,13,.10);
  --ease:cubic-bezier(.22,.7,.28,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t-900);
  background-color:var(--paper);
  background-image:radial-gradient(rgba(20,16,13,.045) 1px,transparent 1px);
  background-size:22px 22px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;border-radius:8px}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- 容器 ---------- */
.container-x{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){ .container-x{padding-left:32px;padding-right:32px} }
@media (min-width:1280px){ .container-x{padding-left:40px;padding-right:40px} }

/* ---------- 导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:80}
.nav-bar{
  background:rgba(20,16,13,.42);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:0 12px 30px -22px rgba(0,0,0,.9);
  transition:background .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-stuck .nav-bar{
  background:rgba(20,16,13,.96);
  box-shadow:0 18px 40px -26px rgba(0,0,0,.95);
}
.nav-inner{display:flex;align-items:center;gap:18px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:grid;place-items:center;color:#fff;
  background:var(--grad);
  box-shadow:0 10px 22px -14px rgba(255,90,31,.9);
  transform:rotate(-4deg);
  transition:transform .24s var(--ease);
}
.logo:hover .logo-mark{transform:rotate(0deg) scale(1.04)}
.logo-type{display:flex;flex-direction:column;line-height:1.1}
.logo-text{color:#fff;font-weight:800;font-size:17px;letter-spacing:.2px}
.logo-sub{color:rgba(255,255,255,.58);font-size:10px;letter-spacing:.16em;margin-top:3px}
.nav-links{display:none;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:44px;padding:0 12px;border-radius:999px;
  color:rgba(255,255,255,.82);font-size:15px;font-weight:600;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:8px;height:2px;
  background:var(--brand-500);border-radius:2px;
  transform:scaleX(0);transform-origin:center;
  transition:transform .26s var(--ease);
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff;background:rgba(255,90,31,.16)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{
  width:44px;height:44px;border-radius:999px;display:grid;place-items:center;
  color:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.05);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{border-color:var(--brand-500);color:#fff;transform:translateY(-2px)}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;gap:5px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.05);
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform .24s var(--ease),opacity .2s var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (min-width:1024px){
  .nav-links{display:flex}
  .nav-actions{margin-left:0}
  .nav-toggle{display:none}
}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;
  padding:96px 20px 28px;
  background:rgba(20,16,13,.9);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  overflow-y:auto;
}
.mobile-drawer[hidden]{display:none}
.drawer-card{
  background:var(--ink-800);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-lg);
  padding:14px;
  box-shadow:var(--shadow-dark);
}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:52px;padding:0 14px;border-radius:12px;
  color:#fff;font-size:16px;font-weight:600;
  border:1px solid transparent;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.drawer-link span.dot{width:7px;height:7px;border-radius:2px;background:var(--brand-500);transform:rotate(45deg)}
.drawer-link:hover,.drawer-link:focus-visible{background:rgba(255,90,31,.16);border-color:rgba(255,90,31,.42)}
.drawer-foot{margin-top:16px;display:grid;gap:10px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:12px 24px;border-radius:999px;
  font-size:15px;font-weight:700;line-height:1;letter-spacing:.2px;
  border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 30px -18px rgba(255,90,31,.95)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 18px 36px -18px rgba(255,90,31,1)}
.btn-primary:active{transform:translateY(0);filter:brightness(.98)}
.btn-outline{
  background:transparent;color:var(--t-900);border-color:var(--line-strong);
}
.btn-outline:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px)}
.btn-ghost-light{
  background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.26);
}
.btn-ghost-light:hover{border-color:var(--brand-500);background:rgba(255,90,31,.16);transform:translateY(-2px)}
.btn-sm{min-height:42px;padding:10px 18px;font-size:14px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--brand-600);
  border-bottom:2px solid transparent;padding-bottom:2px;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.link-arrow span{transition:transform .2s var(--ease)}
.link-arrow:hover{border-color:var(--brand-500)}
.link-arrow:hover span{transform:translateX(4px)}

/* ---------- 页面顶部 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink-900);padding:122px 0 56px}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.42;
}
.page-hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,16,13,.97) 0%,rgba(20,16,13,.86) 46%,rgba(255,90,31,.34) 100%);
}
.page-hero-inner{position:relative;z-index:1;max-width:920px}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.62);line-height:1.6;
}
.crumbs a{color:rgba(255,255,255,.72);border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.crumbs a:hover{color:#fff;border-color:rgba(255,255,255,.5)}
.crumbs .sep{color:rgba(255,255,255,.32)}
.crumb-current{color:rgba(255,255,255,.86);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-300);
}
.kicker::before{content:"";width:22px;height:2px;background:var(--brand-500);border-radius:2px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  min-height:30px;padding:5px 14px;border-radius:999px;
  font-size:12.5px;font-weight:600;color:#fff;
  background:rgba(255,90,31,.18);border:1px solid rgba(255,138,61,.5);
}
.page-h1{
  margin-top:16px;
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.24;
  font-weight:800;
  color:#fff;
  letter-spacing:.2px;
  max-width:44ch;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:22px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13.5px;color:var(--t-300);
}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item svg{color:var(--brand-300);flex:0 0 auto}
.meta-item b{color:#fff;font-weight:700}
@media (min-width:768px){
  .page-hero{padding:140px 0 72px}
}

/* ---------- 主体布局 ---------- */
.section{padding:56px 0}
@media (min-width:768px){ .section{padding:72px 0} }
@media (min-width:1024px){ .section{padding:96px 0} }
.article-wrap{padding:44px 0 56px;background:var(--paper)}
@media (min-width:768px){ .article-wrap{padding:56px 0 72px} }
@media (min-width:1024px){ .article-wrap{padding:64px 0 96px} }
.article-layout{display:grid;gap:32px;grid-template-columns:minmax(0,1fr);align-items:start}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:44px}
}

/* ---------- 正文 ---------- */
.article-body{max-width:760px}
.prose-cms{font-size:17px;line-height:1.9;color:var(--t-900)}
.prose-cms > *:first-child{margin-top:0}
.prose-cms p{margin:0 0 1em}
.prose-cms h2{
  position:relative;
  margin:1.6em 0 .7em;
  padding-left:14px;
  font-size:clamp(22px,2.4vw,26px);
  line-height:1.4;font-weight:800;color:var(--t-900);
}
.prose-cms h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;
  border-radius:4px;background:var(--grad);
}
.prose-cms h3{margin:1.4em 0 .6em;font-size:20px;line-height:1.5;font-weight:700}
.prose-cms h4{margin:1.2em 0 .5em;font-size:17px;font-weight:700;color:var(--t-600)}
.prose-cms ul,.prose-cms ol{margin:0 0 1.1em;padding:0}
.prose-cms ul li,.prose-cms ol li{position:relative;padding-left:22px;margin-bottom:.5em}
.prose-cms ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;
  background:var(--brand-500);border-radius:2px;transform:rotate(45deg);
}
.prose-cms ol{counter-reset:prose-ol}
.prose-cms ol li{counter-increment:prose-ol}
.prose-cms ol li::before{
  content:counter(prose-ol);
  position:absolute;left:0;top:.12em;
  width:18px;height:18px;border-radius:50%;
  display:grid;place-items:center;
  font-size:11px;font-weight:800;color:#fff;
  background:var(--brand-500);
}
.prose-cms blockquote{
  margin:1.4em 0;padding:16px 22px;
  background:var(--paper-2);
  border-left:4px solid var(--brand-500);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--t-600);font-size:16.5px;
}
.prose-cms blockquote p:last-child{margin-bottom:0}
.prose-cms img{border-radius:var(--r-md);margin:1.4em 0;width:100%}
.prose-cms figure{margin:1.4em 0}
.prose-cms figcaption{font-size:13px;color:var(--t-600);text-align:center;margin-top:10px}
.prose-cms a{
  color:var(--brand-600);font-weight:600;
  text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px;
  transition:color .2s var(--ease);
}
.prose-cms a:hover{color:#0aa892}
.prose-cms strong{font-weight:800;color:var(--ink-900)}
.prose-cms hr{border:0;border-top:1px dashed var(--line-strong);margin:2em 0}
.prose-cms code{
  background:var(--paper-2);border:1px solid var(--line);
  border-radius:6px;padding:1px 6px;font-size:14.5px;
}
.prose-cms table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px}
.prose-cms th,.prose-cms td{
  border:1px solid var(--line);padding:10px 12px;text-align:left;
}
.prose-cms th{background:var(--paper-2);font-weight:700}

/* 空态 */
.empty-state{
  border:1px dashed var(--line-strong);
  border-radius:var(--r-lg);
  background:#fff;
  padding:44px 26px;
  text-align:center;
  box-shadow:var(--shadow-hard);
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:16px;
  display:grid;place-items:center;
  background:rgba(255,90,31,.1);color:var(--brand-600);
  border:1px solid rgba(255,90,31,.28);
}
.empty-state h2{font-size:22px;font-weight:800;margin-bottom:10px}
.empty-state p{color:var(--t-600);max-width:40ch;margin:0 auto 22px;font-size:15.5px}
.empty-state .btn{margin:0 auto}

/* 文末 */
.article-foot{
  margin-top:36px;padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  max-width:760px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag-chip{
  display:inline-flex;align-items:center;
  min-height:30px;padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;color:var(--t-600);
  background:#fff;border:1px solid var(--line);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.tag-chip:hover{color:var(--brand-600);border-color:var(--brand-300);transform:translateY(-1px)}

/* ---------- 侧栏 ---------- */
.article-aside{display:grid;gap:20px}
@media (min-width:1024px){
  .article-aside{position:sticky;top:96px}
}
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px;
  box-shadow:var(--shadow-hard);
}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-size:15px;font-weight:800;color:var(--t-900);
  margin-bottom:14px;
}
.side-title::before{
  content:"";width:8px;height:8px;border-radius:2px;
  background:var(--brand-500);transform:rotate(45deg);
}
.side-list li + li{border-top:1px dashed var(--line)}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:44px;padding:8px 0;
  font-size:14.5px;font-weight:600;color:var(--t-600);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.side-list a:hover{color:var(--brand-600);padding-left:4px}
.side-list .side-tag{
  font-size:11.5px;font-weight:700;color:var(--t-600);
  background:var(--paper-2);border-radius:999px;padding:3px 9px;flex:0 0 auto;
}
.side-cta{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:#fff;border:1px solid rgba(255,255,255,.12);
}
.side-cta::after{
  content:"";position:absolute;right:-40px;bottom:-60px;width:160px;height:160px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,90,31,.5),transparent 70%);
}
.side-cta h3{position:relative;z-index:1;font-size:18px;font-weight:800;line-height:1.4;margin-bottom:8px}
.side-cta p{position:relative;z-index:1;font-size:13.5px;line-height:1.75;color:var(--t-300);margin-bottom:16px}
.side-cta .btn{position:relative;z-index:1;width:100%}
.side-cover{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-sm);margin-bottom:14px;
}

/* ---------- 相关栏目 ---------- */
.sec-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:14px;margin-bottom:28px;
}
.sec-title{
  font-size:clamp(24px,3vw,34px);
  line-height:1.25;font-weight:800;color:var(--t-900);
  margin-top:10px;
}
.rail-grid{display:grid;gap:20px;grid-template-columns:minmax(0,1fr)}
@media (min-width:640px){ .rail-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (min-width:1024px){ .rail-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px} }
.rail-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-hard);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.rail-card:hover{transform:translateY(-4px);border-color:var(--brand-300);box-shadow:var(--shadow-warm)}
.rail-media{position:relative;overflow:hidden;aspect-ratio:4/3;background:var(--paper-2)}
.rail-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.rail-card:hover .rail-media img{transform:scale(1.04)}
.rail-badge{
  position:absolute;left:14px;top:14px;
  display:inline-flex;align-items:center;
  padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:700;color:#fff;
  background:rgba(20,16,13,.82);
  border:1px solid rgba(255,255,255,.22);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.rail-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rail-body h3{font-size:18px;line-height:1.45;font-weight:800;color:var(--t-900)}
.rail-body p{font-size:14.5px;line-height:1.75;color:var(--t-600)}
.rail-foot{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--t-600);
}
.rail-foot .arrow{color:var(--brand-600);font-weight:800;transition:transform .2s var(--ease)}
.rail-card:hover .rail-foot .arrow{transform:translateX(4px)}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink-900);
  padding:56px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 12% 20%,rgba(255,90,31,.36),transparent 46%),
    radial-gradient(circle at 88% 80%,rgba(18,223,192,.22),transparent 52%);
}
.cta-inner{position:relative;z-index:1;display:grid;gap:24px;align-items:center}
@media (min-width:900px){
  .cta-band{padding:72px 0}
  .cta-inner{grid-template-columns:minmax(0,1fr) auto}
}
.cta-inner h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:800;color:#fff}
.cta-inner p{margin-top:10px;font-size:15px;color:var(--t-300);max-width:48ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.stat-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:13px;
}
.stat-pill b{font-weight:800;font-variant-numeric:tabular-nums}
.stat-pill small{color:var(--t-300);font-size:11.5px}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--ink-900);
  color:var(--t-300);
  padding:56px 0 26px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:var(--grad);
}
.footer-grid{display:grid;gap:28px;grid-template-columns:minmax(0,1fr)}
@media (min-width:640px){ .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px} }
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.8;max-width:34ch;color:var(--t-300)}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.04);
  color:rgba(255,255,255,.8);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.footer-social a:hover{border-color:var(--brand-500);color:#fff;transform:translateY(-2px)}
.footer-col h4{
  font-size:14px;font-weight:700;color:var(--brand-300);
  margin-bottom:14px;letter-spacing:.02em;
}
.footer-col ul li + li{margin-top:8px}
.footer-col a{
  display:inline-flex;align-items:center;min-height:32px;
  font-size:14px;color:var(--t-300);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-col address{font-style:normal;font-size:14px;line-height:1.9;color:var(--t-300)}
.footer-col address a{color:var(--brand-300)}
.footer-col address a:hover{color:#fff}
.footer-bottom{
  margin-top:36px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 24px;
  font-size:12.5px;color:rgba(201,189,178,.72);
}
.footer-bottom ul{display:flex;flex-wrap:wrap;gap:14px}
.footer-bottom a{color:rgba(201,189,178,.82);transition:color .2s var(--ease)}
.footer-bottom a:hover{color:#fff}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category1 */
:root{
  --brand-500:#FF5A1F; --brand-600:#E8440E; --brand-300:#FF8A3D;
  --cyan:#12DFC0; --lemon:#FFD84D;
  --ink-900:#14100D; --ink-800:#1E1815;
  --paper:#FBF7F2; --paper-2:#F4EDE3;
  --line:#EADFD3; --line-dark:rgba(255,255,255,.12);
  --t1:#241C16; --t2:#6B5B4E;
  --t-dark-1:#FFFFFF; --t-dark-2:#C9BDB2;
  --r-lg:24px; --r-md:16px; --r-sm:12px;
  --grad:linear-gradient(120deg,#FF8A3D,#FF5A1F 45%,#FF2E7E);
  --shadow-warm:0 18px 44px -26px rgba(255,90,31,.45);
  --shadow-dark:0 20px 48px -30px rgba(0,0,0,.8);
  --font:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.8;color:var(--t1);
  background:var(--paper);
  background-image:radial-gradient(rgba(234,223,211,.55) 1px,transparent 1px);
  background-size:22px 22px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}
.container-x{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container-x{padding:0 32px}}
@media(min-width:1280px){.container-x{padding:0 40px}}
.tabnum{font-variant-numeric:tabular-nums}

/* ---------- Header / Nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(20,16,13,.42);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:0 10px 30px -24px rgba(0,0,0,.85);
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.is-stuck{
  background:rgba(20,16,13,.96);
  box-shadow:0 18px 40px -26px rgba(0,0,0,.95);
  border-bottom-color:rgba(255,90,31,.28);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:74px}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff}
.logo-mark{
  width:38px;height:38px;display:grid;place-items:center;color:#fff;
  border-radius:12px;background:var(--grad);
  box-shadow:0 10px 24px -14px rgba(255,90,31,.9);
  flex:0 0 auto;
}
.logo-text{display:block;font-size:17px;font-weight:800;letter-spacing:.01em;line-height:1.2}
.logo-sub{display:block;font-size:10px;letter-spacing:.16em;color:rgba(255,255,255,.55);line-height:1.4;font-weight:600}
.nav-links{display:none}
.nav-link{
  position:relative;display:inline-block;padding:10px 13px;font-size:15px;font-weight:600;
  color:#E8DED6;border-radius:999px;transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:5px;height:2px;width:0;border-radius:2px;
  background:var(--grad);transform:translateX(-50%);transition:width .24s ease;
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{width:calc(100% - 26px)}
.nav-link.is-active{color:#fff;background:rgba(255,90,31,.18)}
.nav-link.is-active::after{width:calc(100% - 26px)}
.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:44px;height:44px;display:none;place-items:center;border-radius:999px;
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.icon-btn:hover{border-color:var(--brand-300);background:rgba(255,90,31,.18);transform:translateY(-1px)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1.2;transition:all .22s ease;white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 30px -18px rgba(255,90,31,.95)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost-dark{background:rgba(255,255,255,.07);color:#fff;border-color:rgba(255,255,255,.24);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.btn-ghost-dark:hover{border-color:var(--brand-300);background:rgba(255,90,31,.2);transform:translateY(-2px)}
.btn-ghost-light{background:#fff;color:var(--t1);border-color:var(--line)}
.btn-ghost-light:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:8px 16px;font-size:14px}
.nav-cta{display:none}
.menu-toggle{display:grid}
.menu-toggle span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:transform .24s ease,opacity .2s ease}
.menu-toggle span + span{margin-top:4px}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media(min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:2px}
  .icon-btn{display:grid}
  .nav-cta{display:inline-flex}
  .menu-toggle{display:none}
}
/* mobile drawer */
.drawer{
  position:fixed;inset:0;z-index:55;display:none;
  background:rgba(10,7,5,.72);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  padding:96px 20px 24px;
}
.drawer.is-open{display:block}
.drawer-panel{
  background:var(--ink-800);border:1px solid var(--line-dark);border-radius:var(--r-lg);
  padding:18px;box-shadow:var(--shadow-dark);max-width:440px;margin:0 auto;
}
.drawer-panel a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 14px;border-radius:var(--r-sm);color:#EFE6DE;font-weight:600;
  border:1px solid transparent;transition:all .2s ease;
}
.drawer-panel a.drawer-link:hover,.drawer-panel a.drawer-link:focus-visible{border-color:rgba(255,90,31,.55);background:rgba(255,90,31,.14);color:#fff}
.drawer-panel a.drawer-link.is-active{background:rgba(255,90,31,.2);border-color:rgba(255,90,31,.4);color:#fff}
.drawer-foot{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line-dark)}
body.no-scroll{overflow:hidden}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;padding-top:74px;overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:#fff;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(20,16,13,.96) 0%,rgba(20,16,13,.82) 42%,rgba(20,16,13,.42) 72%,rgba(255,90,31,.32) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.045) 0 1px,transparent 1px 9px);
  opacity:.7;
}
.hero-inner{position:relative;z-index:2;padding:44px 0 48px;max-width:760px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#C9BDB2;margin-bottom:18px}
.crumb a{color:#E6DCD3;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.crumb a:hover{color:var(--brand-300);border-bottom-color:var(--brand-300)}
.crumb .sep{color:rgba(255,255,255,.32)}
.crumb .now{color:var(--brand-300);font-weight:600}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  border:1px dashed rgba(255,138,61,.6);background:rgba(255,90,31,.14);
  font-size:12.5px;font-weight:600;color:#FFD9C6;margin-bottom:16px;
}
.hero-tag i{width:6px;height:6px;border-radius:999px;background:var(--cyan);display:inline-block}
.page-hero h1{
  font-size:clamp(28px,4.4vw,46px);line-height:1.18;font-weight:800;letter-spacing:.005em;
  color:#fff;margin-bottom:16px;max-width:20ch;
}
.page-hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:var(--brand-300);-webkit-text-fill-color:transparent}
.hero-sub{font-size:15.5px;line-height:1.85;color:#D6CAC0;max-width:56ch}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{
  display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:999px;
  font-size:12.5px;font-weight:600;border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.07);color:#F1E8E0;
}
.chip b{color:var(--cyan);font-weight:800}
.chip.lemon{border-color:rgba(255,216,77,.45);color:#FFE9A3}

/* ---------- Sections ---------- */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:72px 0}}
@media(min-width:1024px){.section{padding:92px 0}}
.section-dark{background:var(--ink-900);color:var(--t-dark-1);position:relative}
.section-dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:26px 26px;opacity:.6;
}
.section-dark > *{position:relative;z-index:2}
.section-paper2{background:var(--paper-2)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:30px}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  color:var(--brand-600);letter-spacing:.04em;margin-bottom:10px;
}
.sec-kicker::before{content:"";width:18px;height:2px;background:var(--brand-500);border-radius:2px}
.section-dark .sec-kicker{color:var(--brand-300)}
.sec-title{font-size:clamp(22px,2.9vw,34px);line-height:1.28;font-weight:800;color:var(--t1)}
.section-dark .sec-title{color:#fff}
.sec-desc{margin-top:10px;font-size:15px;color:var(--t2);max-width:60ch}
.section-dark .sec-desc{color:var(--t-dark-2)}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--brand-600);
  border-bottom:2px solid rgba(255,90,31,.28);padding-bottom:3px;transition:all .2s ease;
}
.link-more span{transition:transform .2s ease}
.link-more:hover{color:var(--brand-500);border-bottom-color:var(--brand-500)}
.link-more:hover span{transform:translateX(4px)}
.section-dark .link-more{color:var(--brand-300);border-bottom-color:rgba(255,138,61,.4)}
.section-dark .link-more:hover{color:#fff}

/* ---------- Layout: fixtures + aside ---------- */
.split{display:grid;gap:24px}
@media(min-width:1024px){.split{grid-template-columns:minmax(0,1.9fr) minmax(280px,.9fr);gap:28px;align-items:start}}

/* fixture list */
.fixture-list{display:grid;gap:14px}
.fixture{
  display:grid;grid-template-columns:72px minmax(0,1fr);gap:14px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px;box-shadow:0 12px 30px -26px rgba(36,28,22,.5);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  position:relative;overflow:hidden;
}
.fixture::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);
  opacity:0;transition:opacity .22s ease;
}
.fixture:hover{transform:translateY(-3px);border-color:rgba(255,90,31,.5);box-shadow:var(--shadow-warm)}
.fixture:hover::before{opacity:1}
.date-block{
  text-align:center;border:1px dashed var(--line);border-radius:var(--r-sm);
  padding:10px 6px;background:var(--paper);
}
.date-block .d{font-size:20px;font-weight:800;line-height:1.1;color:var(--t1);font-variant-numeric:tabular-nums}
.date-block .m{font-size:11.5px;font-weight:700;color:var(--brand-600);letter-spacing:.04em;margin-top:2px}
.date-block .w{font-size:11px;color:var(--t2);margin-top:4px}
.fixture-body{min-width:0}
.fixture-league{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:6px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;
  font-size:11.5px;font-weight:700;border:1px solid var(--line);background:var(--paper);color:var(--t2);
}
.tag-home{background:rgba(18,223,192,.12);border-color:rgba(18,223,192,.4);color:#0B7F6E}
.tag-away{background:rgba(255,90,31,.1);border-color:rgba(255,90,31,.35);color:var(--brand-600)}
.tag-soon{background:rgba(255,216,77,.24);border-color:rgba(255,216,77,.6);color:#8A6A00}
.tag-done{background:rgba(107,91,78,.12);border-color:rgba(107,91,78,.28);color:var(--t2)}
.fixture-title{font-size:16.5px;font-weight:800;line-height:1.45;color:var(--t1);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.fixture-title .vs{font-size:12px;font-weight:700;color:var(--brand-600);background:rgba(255,90,31,.1);border-radius:6px;padding:1px 7px}
.fixture-note{margin-top:6px;font-size:13.5px;color:var(--t2);line-height:1.7}
.fixture-time{margin-top:8px;display:flex;flex-wrap:wrap;gap:14px;font-size:12.5px;color:var(--t2);font-variant-numeric:tabular-nums}
.fixture-time b{color:var(--t1);font-weight:700}
@media(min-width:640px){
  .fixture{grid-template-columns:84px minmax(0,1fr);gap:18px;padding:18px 20px}
  .date-block .d{font-size:23px}
}

/* aside data card */
.aside-card{
  background:var(--ink-900);color:#fff;border-radius:var(--r-lg);padding:24px;
  border:1px solid rgba(255,255,255,.12);box-shadow:var(--shadow-dark);
  position:relative;overflow:hidden;
}
.aside-card::after{
  content:"";position:absolute;right:-40px;top:-40px;width:150px;height:150px;border-radius:999px;
  background:radial-gradient(circle,rgba(255,90,31,.4),transparent 68%);
}
.aside-card h3{position:relative;font-size:18px;font-weight:800;margin-bottom:6px}
.aside-card .aside-sub{position:relative;font-size:13px;color:var(--t-dark-2);margin-bottom:18px}
.stat-list{display:grid;gap:12px;position:relative}
.stat-item{
  border:1px dashed rgba(255,255,255,.18);border-radius:var(--r-sm);padding:12px 14px;
  background:rgba(255,255,255,.05);display:flex;align-items:center;justify-content:space-between;gap:12px;
  transition:border-color .2s ease,background .2s ease;
}
.stat-item:hover{border-color:rgba(255,90,31,.65);background:rgba(255,90,31,.12)}
.stat-item .k{font-size:13px;color:var(--t-dark-2)}
.stat-item .v{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--cyan);line-height:1}
.stat-item .v small{font-size:11.5px;font-weight:600;color:var(--t-dark-2);margin-left:3px}
.aside-note{margin-top:16px;font-size:12px;line-height:1.7;color:rgba(201,189,178,.8);position:relative}
.aside-cta{margin-top:18px;position:relative;display:flex;flex-direction:column;gap:10px}

/* focus cards (horizontal scene zones) */
.zone-grid{display:grid;gap:20px}
@media(min-width:768px){.zone-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.zone-grid{grid-template-columns:1.25fr 1fr;grid-template-rows:auto auto}}
.zone{
  position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);
  background:#fff;display:flex;flex-direction:column;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.zone:hover{transform:translateY(-4px);border-color:rgba(255,90,31,.5);box-shadow:var(--shadow-warm)}
.zone-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--paper-2)}
.zone-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.zone:hover .zone-thumb img{transform:scale(1.04)}
.zone-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,16,13,0) 40%,rgba(20,16,13,.62) 100%)}
.zone-thumb .badge-float{
  position:absolute;left:14px;top:14px;z-index:2;
  padding:5px 12px;border-radius:999px;font-size:11.5px;font-weight:700;
  background:rgba(20,16,13,.72);color:#FFE0D1;border:1px solid rgba(255,255,255,.24);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.zone-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.zone-body h3{font-size:18px;font-weight:800;line-height:1.45;color:var(--t1)}
.zone-body p{font-size:14px;color:var(--t2);line-height:1.8}
.zone-foot{margin-top:auto;padding-top:10px;font-size:12.5px;color:var(--brand-600);font-weight:700;display:flex;align-items:center;gap:6px}
.zone-foot span{transition:transform .2s}
.zone:hover .zone-foot span{transform:translateX(4px)}

/* point list (staggered, not 3 equal cards) */
.points{display:grid;gap:16px}
.point{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:16px;align-items:start;
  padding:20px;border-radius:var(--r-md);background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.point:hover{border-color:rgba(255,90,31,.6);background:rgba(255,90,31,.1);transform:translateY(-2px)}
.point-no{
  font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1;color:var(--brand-300);
  border:1px dashed rgba(255,138,61,.55);border-radius:10px;padding:8px 10px;min-width:52px;text-align:center;
}
.point h3{font-size:17px;font-weight:800;color:#fff;margin-bottom:6px}
.point p{font-size:14px;color:var(--t-dark-2);line-height:1.8}
@media(min-width:900px){.points{grid-template-columns:repeat(2,minmax(0,1fr))}.point.wide{grid-column:span 2}}

/* FAQ */
.faq-group{display:grid;gap:12px;max-width:880px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);background:#fff;overflow:hidden;transition:border-color .2s ease,background .2s ease}
.faq-item:hover{border-color:rgba(255,90,31,.45)}
.faq-item.is-open{border-color:rgba(255,90,31,.55);background:rgba(255,90,31,.045)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 18px;background:transparent;border:0;text-align:left;
  font-size:15.5px;font-weight:700;color:var(--t1);min-height:56px;
}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:999px;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--brand-600);font-size:16px;line-height:1;
  transition:transform .24s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand-500);color:#fff;border-color:var(--brand-500)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{padding:0 18px 18px;font-size:14.5px;color:var(--t2);line-height:1.85;max-width:70ch}

/* pills + CTA */
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.pill{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:14px;font-weight:700;color:var(--t1);
  min-height:44px;transition:all .2s ease;
}
.pill:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--shadow-warm)}
.pill span{color:var(--brand-500)}
.cta-band{
  border-radius:var(--r-lg);padding:34px 24px;position:relative;overflow:hidden;
  background:linear-gradient(115deg,#1E1815 0%,#2A1A12 52%,rgba(255,90,31,.5) 100%);
  border:1px solid rgba(255,255,255,.14);box-shadow:var(--shadow-dark);color:#fff;
  display:grid;gap:22px;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:260px;height:260px;border-radius:999px;
  background:radial-gradient(circle,rgba(255,46,126,.36),transparent 66%);
}
@media(min-width:900px){.cta-band{grid-template-columns:1.5fr 1fr;align-items:center;padding:44px 40px}}
.cta-band h2{font-size:clamp(21px,2.6vw,30px);font-weight:800;line-height:1.3;position:relative;z-index:2}
.cta-band p{margin-top:10px;font-size:14.5px;color:#D6CAC0;position:relative;z-index:2;max-width:48ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2}
@media(min-width:900px){.cta-actions{justify-content:flex-end}}

/* footer */
.site-footer{
  background:var(--ink-900);color:var(--t-dark-2);position:relative;
  border-top:1px solid transparent;
  background-image:linear-gradient(var(--ink-900),var(--ink-900)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.footer-grid{display:grid;gap:30px;padding:56px 0 36px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:68px 0 44px}}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--t-dark-2);max-width:38ch}
.footer-social{display:flex;gap:10px;margin-top:16px}
.footer-social a{
  width:44px;height:44px;display:grid;place-items:center;border-radius:12px;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.05);color:#E6DCD3;
  transition:all .2s ease;
}
.footer-social a:hover{border-color:var(--brand-300);color:#fff;background:rgba(255,90,31,.22);transform:translateY(-2px)}
.footer-col h4{font-size:14px;font-weight:700;color:var(--brand-300);margin-bottom:14px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#D3C7BC;border-bottom:1px solid transparent;transition:all .2s ease;display:inline-block;min-height:24px}
.footer-col a:hover{color:#fff;border-bottom-color:rgba(255,138,61,.7)}
.footer-col address{font-style:normal;font-size:14px;line-height:1.9;color:#D3C7BC}
.footer-col address a{color:#FFD9C6}
.footer-col address a:hover{color:#fff;border-bottom-color:var(--brand-300)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:18px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;justify-content:space-between;
  font-size:12.5px;color:rgba(201,189,178,.78);
}
.footer-bottom a{border-bottom:1px solid transparent;transition:all .2s}
.footer-bottom a:hover{color:#fff;border-bottom-color:rgba(255,138,61,.7)}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:16px}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
    --brand-500:#FF5A1F;
    --brand-600:#E8440E;
    --brand-300:#FF8A3D;
    --cyan:#12DFC0;
    --lemon:#FFD84D;
    --ink-900:#14100D;
    --ink-800:#1E1815;
    --paper:#FBF7F2;
    --line:#EADFD3;
    --text:#241C16;
    --muted:#6B5B4E;
    --muted-dark:#C9BDB2;
    --grad:linear-gradient(120deg,#FF8A3D,#FF5A1F 45%,#FF2E7E);
    --r-lg:24px;
    --r-md:16px;
    --r-sm:12px;
    --r-pill:999px;
    --shadow-warm:0 18px 44px -26px rgba(255,90,31,.45);
    --shadow-dark:0 20px 48px -30px rgba(0,0,0,.8);
    --maxw:1280px;
  }
  *,*::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','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
    font-size:16px;line-height:1.8;color:var(--text);background:var(--paper);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border:0}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  :focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}
  .num{font-variant-numeric:tabular-nums}

  .container-x{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:20px}
  @media(min-width:768px){.container-x{padding-inline:32px}}
  @media(min-width:1280px){.container-x{padding-inline:40px}}

  /* ============ 顶部导航 ============ */
  .site-header{
    position:fixed;top:0;left:0;right:0;z-index:80;
    background:rgba(20,16,13,.42);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    border-bottom:1px solid rgba(255,255,255,.14);
    box-shadow:0 10px 30px -24px rgba(0,0,0,.9);
    transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
  }
  .site-header.is-stuck{background:rgba(20,16,13,.96);box-shadow:0 20px 40px -26px rgba(0,0,0,.95);border-bottom-color:rgba(255,255,255,.08)}
  .header-inner{display:flex;align-items:center;gap:24px;height:72px}
  @media(min-width:1024px){.header-inner{height:80px}}

  .logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
  .logo-mark{
    width:38px;height:38px;display:grid;place-items:center;border-radius:12px;
    color:#fff;background-image:var(--grad);
    box-shadow:0 12px 26px -16px rgba(255,90,31,.95);
    transition:transform .24s ease;
  }
  .logo:hover .logo-mark{transform:rotate(-6deg) scale(1.04)}
  .logo-text{display:block;color:#fff;font-size:17px;font-weight:800;line-height:1.15;letter-spacing:.01em}
  .logo-sub{display:block;color:var(--muted-dark);font-size:10px;font-weight:600;letter-spacing:.14em;line-height:1.5}

  .nav-links{display:none;align-items:center;gap:4px;margin-inline:auto}
  @media(min-width:1024px){.nav-links{display:flex}}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;min-height:44px;
    padding:0 14px;color:#F0E7DE;font-size:15px;font-weight:600;
    transition:color .2s ease;
  }
  .nav-link::after{
    content:"";position:absolute;left:50%;bottom:8px;height:2px;width:0;border-radius:2px;
    background-image:var(--grad);transform:translateX(-50%);
    transition:width .24s ease;
  }
  .nav-link:hover{color:#fff}
  .nav-link:hover::after{width:calc(100% - 24px)}
  .nav-link.is-active{color:#fff}
  .nav-link.is-active::after{width:calc(100% - 24px)}

  .header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
  @media(min-width:1024px){.header-actions{margin-left:0}}
  .icon-btn{
    width:44px;height:44px;display:none;place-items:center;border-radius:var(--r-pill);
    color:#F0E7DE;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
    transition:border-color .2s ease,color .2s ease,background .2s ease;
  }
  @media(min-width:768px){.icon-btn{display:grid}}
  .icon-btn:hover{border-color:var(--brand-300);color:#fff;background:rgba(255,255,255,.14)}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:12px 24px;border-radius:var(--r-pill);
    font-size:15px;font-weight:700;line-height:1;border:1px solid transparent;
    transition:transform .2s ease,filter .2s ease,border-color .2s ease,background .2s ease,color .2s ease;
  }
  .btn-primary{color:#fff;background-image:var(--grad);box-shadow:0 14px 30px -18px rgba(255,90,31,.9)}
  .btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{color:#fff;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.3)}
  .btn-ghost:hover{border-color:var(--brand-300);color:#FFD8C2;transform:translateY(-2px)}
  .btn-ghost:active{transform:translateY(0)}
  .btn-outline-light{color:var(--text);background:#fff;border-color:var(--line)}
  .btn-outline-light:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px)}
  .btn-sm{padding:10px 18px;font-size:14px;min-height:40px}
  @media(max-width:479px){.header-actions .btn-primary{display:none}}

  .menu-toggle{
    width:44px;height:44px;display:grid;place-items:center;gap:5px;
    border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.2);
    background:rgba(255,255,255,.08);
  }
  @media(min-width:1024px){.menu-toggle{display:none}}
  .menu-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:#fff;transition:transform .24s ease,opacity .2s ease}
  .menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

  /* 移动抽屉 */
  .drawer{position:fixed;inset:0;z-index:70;display:none}
  .drawer.is-open{display:block}
  .drawer-mask{position:absolute;inset:0;background:rgba(10,8,6,.7);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
  .drawer-panel{
    position:absolute;top:80px;left:16px;right:16px;
    background:var(--ink-800);border:1px solid rgba(255,255,255,.14);
    border-radius:var(--r-lg);padding:18px;box-shadow:var(--shadow-dark);
    max-height:calc(100vh - 120px);overflow:auto;
  }
  .drawer-panel a.drawer-link{
    display:flex;align-items:center;justify-content:space-between;
    min-height:52px;padding:0 14px;border-radius:var(--r-sm);
    color:#F0E7DE;font-size:16px;font-weight:600;border:1px solid transparent;
  }
  .drawer-panel a.drawer-link:hover,.drawer-panel a.drawer-link:focus-visible{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14)}
  .drawer-panel a.drawer-link.is-active{color:#fff;background:rgba(255,90,31,.16);border-color:rgba(255,90,31,.4)}
  .drawer-cta{margin-top:14px;display:grid;gap:10px}

  /* ============ 内页 Hero ============ */
  .page-hero{position:relative;isolation:isolate;overflow:hidden;color:#fff;padding:118px 0 48px;min-height:360px;display:flex;align-items:center}
  @media(min-width:768px){.page-hero{padding:132px 0 56px;min-height:400px}}
  .page-hero-bg{position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center;transform:scale(1.03)}
  .page-hero::after{
    content:"";position:absolute;inset:0;z-index:-1;
    background:linear-gradient(100deg,rgba(20,16,13,.95) 0%,rgba(20,16,13,.88) 44%,rgba(232,68,14,.62) 100%);
  }
  .page-hero::before{
    content:"";position:absolute;inset:0;z-index:-1;opacity:.16;
    background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.16) 0 1px,transparent 1px 46px);
  }
  .page-hero-inner{max-width:760px}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted-dark);margin-bottom:18px}
  .breadcrumb a{color:var(--muted-dark);border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease}
  .breadcrumb a:hover{color:#fff;border-bottom-color:var(--brand-300)}
  .breadcrumb .sep{opacity:.55}
  .breadcrumb .current{color:#FFC9AE}

  .page-hero h1{
    font-size:clamp(28px,4.2vw,46px);line-height:1.18;font-weight:800;letter-spacing:.01em;
  }
  .page-hero h1 .hl{
    color:#FF8A3D;background-image:var(--grad);
    -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  }
  .page-hero-sub{margin-top:16px;color:#EDE2D9;font-size:16px;line-height:1.75;max-width:36ch}
  .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
  .hero-tag{
    display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:5px 14px;
    border-radius:var(--r-pill);font-size:13px;font-weight:600;color:#FFE3D3;
    background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  }
  .hero-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:22px;font-size:13px;color:#C9BDB2}
  .hero-meta span{display:inline-flex;align-items:center;gap:6px}

  /* ============ 通用板块 ============ */
  .section{padding:56px 0}
  @media(min-width:768px){.section{padding:72px 0}}
  @media(min-width:1024px){.section{padding:96px 0}}
  .section-tight{padding:48px 0}
  @media(min-width:1024px){.section-tight{padding:64px 0}}
  .section-head{max-width:720px;margin-bottom:32px}
  @media(min-width:1024px){.section-head{margin-bottom:44px}}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
    color:var(--brand-600);letter-spacing:.02em;margin-bottom:12px;
  }
  .eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background-image:var(--grad)}
  .section-title{font-size:clamp(23px,3vw,36px);line-height:1.28;font-weight:800;color:var(--text)}
  .section-lead{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.85;max-width:60ch}

  .on-dark{background:var(--ink-900);color:#fff}
  .on-dark .section-title{color:#fff}
  .on-dark .section-lead{color:var(--muted-dark)}
  .on-dark .eyebrow{color:var(--brand-300)}

  /* ============ 步骤条 ============ */
  .steps{
    display:grid;gap:22px;grid-template-columns:1fr;
    margin-top:8px;position:relative;
  }
  @media(min-width:640px){.steps{grid-template-columns:repeat(2,1fr)}}
  @media(min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);gap:26px}}
  .step-card{
    position:relative;padding:26px 22px 24px;border-radius:var(--r-lg);
    background:#fff;border:1px solid var(--line);
    box-shadow:0 12px 34px -28px rgba(36,28,22,.5);
    transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
  }
  .step-card:hover{transform:translateY(-4px);border-color:var(--brand-300);box-shadow:var(--shadow-warm)}
  @media(min-width:1024px){
    .step-card:nth-child(even){transform:translateY(18px)}
    .step-card:nth-child(even):hover{transform:translateY(14px)}
  }
  .step-num{
    display:block;font-size:38px;font-weight:800;line-height:1;
    color:transparent;background-image:var(--grad);
    -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  }
  .step-card h3{margin-top:14px;font-size:19px;font-weight:700;color:var(--text)}
  .step-card p{margin-top:8px;font-size:14.5px;line-height:1.8;color:var(--muted)}
  .step-line{
    display:none;
  }
  @media(min-width:1024px){
    .step-line{
      display:block;position:absolute;left:0;right:0;top:112px;height:1px;
      background-image:repeating-linear-gradient(90deg,rgba(232,68,14,.4) 0 8px,transparent 8px 16px);
      z-index:-1;pointer-events:none;
    }
    .steps-wrap{position:relative}
    .steps-wrap::before{
      content:"";position:absolute;left:8%;right:8%;top:118px;height:1px;
      background-image:repeating-linear-gradient(90deg,rgba(232,68,14,.35) 0 8px,transparent 8px 18px);
    }
  }

  /* ============ Zigzag 图文 ============ */
  .zig-list{display:grid;gap:34px}
  @media(min-width:1024px){.zig-list{gap:56px}}
  .zig-row{
    display:grid;gap:22px;align-items:center;
    padding:20px;border-radius:var(--r-lg);
    background:#fff;border:1px solid var(--line);
    box-shadow:0 16px 40px -34px rgba(36,28,22,.55);
  }
  @media(min-width:900px){
    .zig-row{grid-template-columns:1fr 1fr;gap:40px;padding:24px}
    .zig-row:nth-child(even) .zig-media{order:2}
  }
  .zig-media{position:relative;overflow:hidden;border-radius:var(--r-md);background:#F3EAE1}
  .zig-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .3s ease}
  .zig-row:hover .zig-media img{transform:scale(1.04)}
  .zig-media .media-badge{
    position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:var(--r-pill);
    font-size:12px;font-weight:700;color:#fff;background:rgba(20,16,13,.72);
    border:1px solid rgba(255,255,255,.24);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  }
  .zig-body{padding:4px 4px 8px}
  @media(min-width:900px){.zig-body{padding:8px 12px}}
  .step-chip{
    display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
    font-size:12.5px;font-weight:700;color:var(--brand-600);
    background:rgba(255,90,31,.1);border:1px solid rgba(255,90,31,.24);
  }
  .zig-body h3{margin-top:14px;font-size:clamp(20px,2.4vw,24px);line-height:1.4;font-weight:800;color:var(--text)}
  .zig-body p{margin-top:12px;color:var(--muted);font-size:15.5px;line-height:1.85}
  .dot-list{margin-top:16px;display:grid;gap:10px}
  .dot-list li{position:relative;padding-left:20px;font-size:15px;line-height:1.75;color:var(--text)}
  .dot-list li::before{
    content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:2px;
    background:var(--brand-500);transform:rotate(45deg);
  }
  .dot-list li strong{font-weight:700;color:var(--brand-600)}

  /* ============ 日志卡 / 误区提醒 ============ */
  .log-grid{display:grid;gap:20px;grid-template-columns:1fr}
  @media(min-width:768px){.log-grid{grid-template-columns:repeat(3,1fr)}}
  .log-card{
    position:relative;padding:24px 22px;border-radius:var(--r-md);
    background:rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.14);
    box-shadow:var(--shadow-dark);
    transition:transform .24s ease,border-color .24s ease;
  }
  .log-card:hover{transform:translateY(-4px);border-color:rgba(255,138,61,.55)}
  .log-card::before{
    content:"";position:absolute;left:22px;top:0;width:44px;height:3px;border-radius:0 0 3px 3px;
    background-image:var(--grad);
  }
  .log-tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.04em;color:var(--lemon)}
  .log-card h3{margin-top:10px;font-size:18px;font-weight:700;color:#fff}
  .log-card p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--muted-dark)}

  /* ============ FAQ ============ */
  .faq-group{display:grid;gap:14px;max-width:900px}
  .faq-item{
    border:1px solid var(--line);border-radius:var(--r-md);background:#fff;
    transition:background .24s ease,border-color .24s ease,box-shadow .24s ease;
  }
  .faq-item:hover{border-color:#E0CBB8}
  .faq-item.is-open{background:#FFF6F0;border-color:rgba(255,90,31,.4);box-shadow:var(--shadow-warm)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 20px;min-height:56px;text-align:left;
    font-size:16px;font-weight:700;color:var(--text);
  }
  .faq-icon{
    flex-shrink:0;width:26px;height:26px;display:grid;place-items:center;border-radius:50%;
    color:var(--brand-600);background:rgba(255,90,31,.12);
    transition:transform .24s ease,background .24s ease,color .24s ease;
  }
  .faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand-500);color:#fff}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
  .faq-a-inner{padding:0 20px 20px;color:var(--muted);font-size:15px;line-height:1.85;max-width:64ch}

  /* ============ 相关栏目 + CTA ============ */
  .related-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
  .pill-link{
    display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:10px 20px;
    border-radius:var(--r-pill);font-size:14.5px;font-weight:600;
    color:var(--text);background:#fff;border:1px solid var(--line);
    transition:border-color .2s ease,color .2s ease,transform .2s ease,background .2s ease;
  }
  .pill-link:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px);background:#FFF9F5}
  .pill-link .arrow{transition:transform .2s ease}
  .pill-link:hover .arrow{transform:translateX(4px)}

  .cta-banner{
    position:relative;overflow:hidden;border-radius:var(--r-lg);
    padding:34px 24px;color:#fff;
    background:linear-gradient(120deg,#1E1815 0%,#2A1B13 48%,#5C1F0B 100%);
    border:1px solid rgba(255,255,255,.12);
    box-shadow:var(--shadow-dark);
  }
  @media(min-width:768px){.cta-banner{padding:48px 44px}}
  .cta-banner::after{
    content:"";position:absolute;right:-70px;top:-70px;width:300px;height:300px;border-radius:50%;
    background-image:var(--grad);opacity:.32;filter:blur(28px);pointer-events:none;
  }
  .cta-banner h2{position:relative;font-size:clamp(22px,3vw,32px);line-height:1.3;font-weight:800}
  .cta-banner p{position:relative;margin-top:12px;color:#DCCFC4;font-size:15.5px;line-height:1.8;max-width:52ch}
  .cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
  .cta-badges{position:relative;display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .data-badge{
    display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:6px 16px;
    border-radius:var(--r-pill);font-size:13px;font-weight:600;color:#F0E7DE;
    background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  }
  .data-badge b{color:#fff;font-size:15px;font-weight:800;font-variant-numeric:tabular-nums}
  .data-badge .unit{color:var(--muted-dark);font-size:12px;font-weight:500}

  /* ============ 页脚 ============ */
  .site-footer{
    position:relative;background:var(--ink-900);color:var(--muted-dark);
    padding:56px 0 0;margin-top:0;
  }
  .site-footer::before{
    content:"";position:absolute;top:0;left:0;right:0;height:1px;background-image:var(--grad);opacity:.85;
  }
  .footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
  @media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
  @media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}}
  .footer-brand .logo{margin-bottom:16px}
  .footer-brand p{font-size:14.5px;line-height:1.85;color:#B6A99E;max-width:34ch}
  .footer-social{display:flex;gap:10px;margin-top:18px}
  .footer-social a{
    width:42px;height:42px;display:grid;place-items:center;border-radius:var(--r-sm);
    color:#D8CCC2;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
    transition:border-color .2s ease,color .2s ease,transform .2s ease;
  }
  .footer-social a:hover{border-color:var(--brand-500);color:#fff;transform:translateY(-2px)}
  .footer-col h4{font-size:14px;font-weight:700;color:var(--brand-300);margin-bottom:16px;letter-spacing:.02em}
  .footer-col ul{display:grid;gap:10px}
  .footer-col a{font-size:14.5px;color:#C0B3A8;transition:color .2s ease}
  .footer-col a:hover{color:#fff}
  .footer-col address{font-style:normal;font-size:14.5px;line-height:1.9;color:#B6A99E}
  .footer-col address a{color:#FFB58F;border-bottom:1px solid transparent}
  .footer-col address a:hover{border-bottom-color:var(--brand-300);color:#fff}
  .footer-bottom{
    margin-top:44px;border-top:1px solid rgba(255,255,255,.1);
    padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px 24px;
    justify-content:space-between;font-size:12.5px;color:#8E8177;
  }
  .footer-bottom a{color:#A99C91}
  .footer-bottom a:hover{color:#fff}

  @media(prefers-reduced-motion:reduce){
    *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  }

/* roulang page: category3 */
:root{
  --brand-400:#FF8A3D;
  --brand-500:#FF5A1F;
  --brand-600:#E8440E;
  --cyan:#12DFC0;
  --lemon:#FFD84D;
  --ink-900:#14100D;
  --ink-800:#1E1815;
  --paper:#FBF7F2;
  --paper-2:#F4ECE2;
  --line-dark:rgba(255,255,255,.12);
  --line-light:#EADFD3;
  --text-dark:#FFFFFF;
  --text-dark-2:#C9BDB2;
  --text-light:#241C16;
  --text-light-2:#6B5B4E;
  --grad:linear-gradient(120deg,#FF8A3D,#FF5A1F 45%,#FF2E7E);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-warm:0 18px 44px -26px rgba(255,90,31,.45);
  --shadow-dark:0 20px 48px -30px rgba(0,0,0,.8);
  --ease:cubic-bezier(.32,.72,.35,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-light);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea{font:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

.container-x{width:100%;max-width:1280px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media(min-width:768px){.container-x{padding-left:32px;padding-right:32px;}}
@media(min-width:1280px){.container-x{padding-left:40px;padding-right:40px;}}

/* ---------- header / nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(20,16,13,.42);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:0 10px 30px -20px rgba(0,0,0,.6);
  transition:background .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-stuck{
  background:rgba(20,16,13,.96);
  border-bottom-color:rgba(255,255,255,.08);
  box-shadow:0 16px 40px -22px rgba(0,0,0,.9);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;min-height:44px;}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:grid;place-items:center;color:#fff;
  background:var(--grad);
  box-shadow:0 10px 22px -12px rgba(255,90,31,.9);
  transform:rotate(-3deg);
}
.logo-text{display:block;font-size:17px;font-weight:800;color:#fff;line-height:1.2;}
.logo-sub{display:block;font-size:10px;letter-spacing:.16em;color:var(--text-dark-2);line-height:1.4;}
.nav-links{display:none;align-items:center;gap:26px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  min-height:44px;padding:0 2px;
  font-size:15px;font-weight:600;color:rgba(255,255,255,.82);
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;
  border-radius:2px;background:var(--brand-500);
  transform:scaleX(0);transform-origin:center;
  transition:transform .26s var(--ease);
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:#fff;}
.nav-link.is-active::after{transform:scaleX(1);background:var(--grad);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:44px;height:44px;display:grid;place-items:center;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.2);color:#fff;
  transition:border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{border-color:var(--brand-500);background:rgba(255,90,31,.16);transform:translateY(-2px);}
.nav-cta{display:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1.2;
  transition:transform .2s var(--ease),filter .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-warm);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);filter:brightness(1);}
.btn-ghost-dark{color:#fff;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.06);}
.btn-ghost-dark:hover{border-color:var(--brand-500);background:rgba(255,90,31,.16);transform:translateY(-2px);}
.btn-ghost-light{color:var(--text-light);border:1px solid var(--line-light);background:#fff;}
.btn-ghost-light:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px);}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand-600);}
.link-more span{transition:transform .2s var(--ease);}
.link-more:hover span{transform:translateX(4px);}
.nav-toggle{display:grid;}
@media(min-width:1024px){
  .nav-links{display:flex;}
  .nav-toggle{display:none;}
  .nav-cta{display:inline-flex;}
}
/* drawer */
.drawer{
  position:fixed;inset:0;z-index:90;display:none;
  background:rgba(12,9,7,.72);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.drawer.is-open{display:block;}
.drawer-panel{
  position:absolute;top:0;left:0;right:0;
  background:var(--ink-900);
  border-bottom:1px solid var(--line-dark);
  padding:16px 20px 28px;
  max-height:100vh;overflow:auto;
  border-radius:0 0 var(--r-lg) var(--r-lg);
  box-shadow:var(--shadow-dark);
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-links{display:grid;gap:6px;}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:var(--r-sm);
  color:#fff;font-weight:600;border:1px solid transparent;
}
.drawer-links a:hover,.drawer-links a.is-active{background:rgba(255,90,31,.14);border-color:rgba(255,90,31,.4);}
.drawer-links a i{opacity:.5;font-style:normal;}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;isolation:isolate;
  min-height:420px;display:flex;align-items:flex-end;
  padding:120px 0 52px;
  background:var(--ink-900);
}
.page-hero .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-3;}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:-2;
  background:
    linear-gradient(100deg,rgba(20,16,13,.96) 0%,rgba(20,16,13,.86) 42%,rgba(20,16,13,.42) 78%,rgba(20,16,13,.3) 100%),
    linear-gradient(0deg,rgba(20,16,13,.9),rgba(20,16,13,0) 60%);
}
.page-hero::before{
  content:"";position:absolute;z-index:-1;right:-60px;top:-40px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(255,90,31,.55),rgba(255,46,126,0) 68%);
  filter:blur(10px);
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-dark-2);margin-bottom:16px;}
.crumbs a{color:var(--text-dark-2);transition:color .2s var(--ease);}
.crumbs a:hover{color:var(--brand-400);}
.crumbs .sep{opacity:.5;}
.crumbs .current{color:#fff;font-weight:600;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;color:#fff;
  background:rgba(255,90,31,.18);border:1px solid rgba(255,90,31,.5);
  margin-bottom:18px;
}
.hero-title{
  font-size:clamp(30px,4.6vw,52px);line-height:1.15;font-weight:800;color:#fff;
  letter-spacing:-.01em;max-width:760px;
}
.hero-title .hl{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:16px;max-width:600px;color:var(--text-dark-2);font-size:16px;line-height:1.8;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;color:#fff;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.pill b{font-weight:800;color:var(--lemon);}
.pill i{font-style:normal;width:8px;height:8px;border-radius:50%;background:var(--cyan);display:inline-block;}

/* ---------- sections ---------- */
.section{padding:56px 0;}
@media(min-width:768px){.section{padding:72px 0;}}
@media(min-width:1024px){.section{padding:96px 0;}}
.section-dark{background:var(--ink-900);color:#fff;}
.section-paper{background:var(--paper);}
.section-paper2{background:var(--paper-2);}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-600);text-transform:uppercase;margin-bottom:10px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand-500);border-radius:2px;}
.section-dark .eyebrow{color:var(--brand-400);}
.sec-title{font-size:clamp(24px,3vw,38px);line-height:1.25;font-weight:800;letter-spacing:-.01em;}
.sec-desc{margin-top:12px;max-width:640px;color:var(--text-light-2);font-size:15.5px;}
.section-dark .sec-desc{color:var(--text-dark-2);}
.sec-note{font-size:13px;color:var(--text-light-2);}
.section-dark .sec-note{color:var(--text-dark-2);}

/* progress panel */
.progress-panel{
  background:#fff;border:1px solid var(--line-light);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow-warm);
  position:relative;overflow:hidden;
}
.progress-panel::after{
  content:"";position:absolute;top:-40px;right:-40px;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,216,77,.4),transparent 66%);
}
.pp-top{display:flex;flex-wrap:wrap;align-items:flex-end;gap:14px;justify-content:space-between;}
.pp-label{font-size:13px;font-weight:700;color:var(--text-light-2);letter-spacing:.04em;}
.pp-value{font-size:clamp(34px,5vw,52px);font-weight:800;line-height:1;letter-spacing:-.02em;color:var(--text-light);}
.pp-value small{font-size:16px;font-weight:700;color:var(--text-light-2);margin-left:4px;}
.pbar{height:8px;border-radius:8px;background:#EFE5D9;overflow:hidden;margin-top:18px;}
.pbar > span{display:block;height:100%;border-radius:8px;background:linear-gradient(90deg,var(--brand-400),var(--brand-500));}
.pbar.cyan > span{background:linear-gradient(90deg,#5FF0DA,var(--cyan));}
.pbar.lemon > span{background:linear-gradient(90deg,#FFE894,var(--lemon));}
.pp-legend{display:flex;flex-wrap:wrap;gap:18px;margin-top:18px;font-size:13px;color:var(--text-light-2);}
.pp-legend b{color:var(--text-light);font-weight:800;}

.stat-row{display:grid;grid-template-columns:1fr;gap:14px;}
@media(min-width:640px){.stat-row{grid-template-columns:repeat(3,1fr);}}
.stat-card{
  border:1px solid var(--line-light);border-radius:var(--r-md);background:#fff;
  padding:18px 20px;
}
.stat-card .k{font-size:12.5px;font-weight:700;color:var(--text-light-2);letter-spacing:.04em;}
.stat-card .v{font-size:26px;font-weight:800;margin-top:6px;letter-spacing:-.01em;}
.stat-card .v small{font-size:13px;font-weight:700;color:var(--text-light-2);margin-left:4px;}

/* reward grid 2+2 asymmetric */
.reward-grid{display:grid;gap:20px;grid-template-columns:1fr;}
@media(min-width:1024px){
  .reward-grid{grid-template-columns:repeat(12,1fr);}
  .rc-a{grid-column:span 7;}
  .rc-b{grid-column:span 5;}
  .rc-c{grid-column:span 5;}
  .rc-d{grid-column:span 7;}
}
.reward-card{
  position:relative;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line-light);border-radius:var(--r-lg);
  overflow:hidden;
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.reward-card:hover{transform:translateY(-4px);border-color:var(--brand-500);box-shadow:var(--shadow-warm);}
.rc-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--ink-800);}
.reward-card.tall .rc-media{aspect-ratio:4/3;}
.rc-media img{width:100%;height:100%;object-fit:cover;transition:transform .34s var(--ease);}
.reward-card:hover .rc-media img{transform:scale(1.04);}
.rc-badge{
  position:absolute;top:14px;left:14px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;color:#14100D;background:var(--lemon);
  box-shadow:0 8px 18px -12px rgba(0,0,0,.7);
}
.rc-badge.cyan{background:var(--cyan);}
.rc-badge.orange{background:var(--brand-500);color:#fff;}
.rc-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.rc-title{font-size:20px;font-weight:800;line-height:1.4;}
.rc-desc{font-size:14.5px;color:var(--text-light-2);line-height:1.75;}
.rc-cond{
  font-size:13.5px;font-weight:600;color:var(--text-light);
  padding:10px 14px;border-radius:var(--r-sm);
  background:var(--paper);border:1px dashed var(--line-light);
}
.rc-progress{margin-top:auto;}
.rc-progress .row{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-light-2);margin-bottom:8px;}
.rc-progress .row b{font-size:15px;color:var(--text-light);}
.rc-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:4px;}

/* steps timeline */
.steps{display:grid;gap:16px;grid-template-columns:1fr;}
@media(min-width:768px){.steps{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);}}
.step{
  position:relative;padding:26px 22px;border-radius:var(--r-md);
  background:rgba(255,255,255,.05);border:1px solid var(--line-dark);
  transition:border-color .24s var(--ease),transform .24s var(--ease),background .24s var(--ease);
}
.step:hover{border-color:rgba(255,90,31,.6);background:rgba(255,90,31,.08);transform:translateY(-4px);}
.step-num{
  font-size:40px;font-weight:800;line-height:1;letter-spacing:-.03em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.step h3{font-size:18px;font-weight:800;margin-top:14px;color:#fff;}
.step p{margin-top:8px;font-size:14px;color:var(--text-dark-2);line-height:1.75;}

/* accordion */
.acc{display:grid;gap:12px;}
.acc-item{
  border:1px solid var(--line-light);border-radius:var(--r-md);background:#fff;
  overflow:hidden;transition:background .24s var(--ease),border-color .24s var(--ease);
}
.acc-item.is-open{background:rgba(255,90,31,.05);border-color:rgba(255,90,31,.45);}
.acc-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;min-height:56px;text-align:left;
  font-size:16px;font-weight:700;color:var(--text-light);
}
.acc-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-size:16px;font-weight:700;line-height:1;
  color:var(--brand-600);background:rgba(255,90,31,.12);
  transition:transform .28s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.acc-item.is-open .acc-icon{transform:rotate(45deg);background:var(--brand-500);color:#fff;}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .34s var(--ease);}
.acc-panel .inner{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--text-light-2);}
.acc-panel .inner strong{color:var(--text-light);}

/* capsule links */
.capsules{display:flex;flex-wrap:wrap;gap:12px;}
.capsule{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:10px 20px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:700;color:var(--text-light);
  background:#fff;border:1px solid var(--line-light);
  transition:border-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.capsule:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--shadow-warm);}

/* CTA banner */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  background:linear-gradient(120deg,#1E1815,#14100D 60%);
  border:1px solid var(--line-dark);
  padding:40px 26px;
  box-shadow:var(--shadow-dark);
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,31,.5),transparent 66%);
}
.cta-band::after{
  content:"";position:absolute;left:-60px;bottom:-90px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,46,126,.35),transparent 68%);
}
.cta-inner{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.cta-title{font-size:clamp(22px,2.8vw,32px);font-weight:800;color:#fff;line-height:1.3;}
.cta-text{margin-top:10px;font-size:14.5px;color:var(--text-dark-2);max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* footer */
.site-footer{background:var(--ink-900);color:var(--text-dark-2);border-top:1px solid transparent;position:relative;padding:56px 0 0;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad);}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;max-width:340px;color:var(--text-dark-2);}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line-dark);color:#fff;
  transition:border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.footer-social a:hover{border-color:var(--brand-500);background:rgba(255,90,31,.18);transform:translateY(-2px);}
.footer-col h4{font-size:14px;font-weight:700;color:var(--brand-400);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-dark-2);transition:color .2s var(--ease),padding-left .2s var(--ease);}
.footer-col a:hover{color:#fff;padding-left:4px;}
.footer-col address{font-style:normal;font-size:14px;line-height:2;color:var(--text-dark-2);}
.footer-col address a{color:#fff;}
.footer-col address a:hover{color:var(--brand-400);}
.footer-bottom{
  margin-top:40px;border-top:1px solid var(--line-dark);
  padding:18px 0 24px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:12.5px;color:rgba(201,189,178,.75);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom nav a:hover{color:#fff;}

/* motion */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* roulang page: category5 */
:root{
    --brand-500:#FF5A1F;
    --brand-600:#E8440E;
    --brand-300:#FF8A3D;
    --brand-grad:linear-gradient(120deg,#FF8A3D,#FF5A1F 45%,#FF2E7E);
    --mint:#12DFC0;
    --lemon:#FFD84D;
    --ink-900:#14100D;
    --ink-800:#1E1815;
    --paper:#FBF7F2;
    --line-light:#EADFD3;
    --line-dark:rgba(255,255,255,.12);
    --text-dark:#241C16;
    --text-muted:#6B5B4E;
    --text-soft:#C9BDB2;
    --r-lg:24px;
    --r-md:16px;
    --r-sm:12px;
    --shadow-warm:0 18px 44px -26px rgba(255,90,31,.45);
    --shadow-dark:0 20px 48px -30px rgba(0,0,0,.8);
    --sec-py:56px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;line-height:1.8;color:var(--text-dark);background:var(--paper);
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  :focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
  .num{font-variant-numeric:tabular-nums}
  .container-x{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){.container-x{padding:0 32px}}
  @media (min-width:1280px){.container-x{padding:0 40px}}
  .section{padding:var(--sec-py) 0}
  @media (min-width:768px){:root{--sec-py:72px} .section{padding:var(--sec-py) 0}}
  @media (min-width:1024px){:root{--sec-py:96px}}

  /* ---------- 导航 ---------- */
  .site-header{
    position:fixed;top:0;left:0;right:0;z-index:80;
    background:rgba(20,16,13,.42);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    border-bottom:1px solid rgba(255,255,255,.14);
    box-shadow:0 12px 34px -28px rgba(0,0,0,.9);
    transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
  }
  .site-header.is-stuck{
    background:rgba(20,16,13,.96);
    border-bottom-color:rgba(255,255,255,.08);
    box-shadow:0 18px 44px -26px rgba(0,0,0,.95);
  }
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:76px}
  .logo{display:inline-flex;align-items:center;gap:10px;color:#fff}
  .logo-mark{
    width:38px;height:38px;border-radius:12px;display:grid;place-items:center;color:#fff;
    background:var(--brand-grad);box-shadow:0 12px 26px -16px rgba(255,90,31,.9);
    flex:0 0 auto;
  }
  .logo-text{display:block;font-size:17px;font-weight:800;letter-spacing:.01em;line-height:1.2}
  .logo-sub{display:block;font-size:10px;letter-spacing:.16em;color:var(--text-soft);line-height:1.6}
  .nav-links{display:none;align-items:center;gap:26px}
  @media (min-width:1024px){.nav-links{display:flex}}
  .nav-link{
    position:relative;display:inline-block;padding:8px 2px;font-size:15px;font-weight:600;color:#E6DCD3;
    transition:color .2s ease;min-height:44px;line-height:28px;
  }
  .nav-link::after{
    content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;border-radius:2px;
    background:linear-gradient(90deg,var(--brand-300),var(--brand-500));
    transition:left .24s ease,right .24s ease;
  }
  .nav-link:hover{color:#fff}
  .nav-link:hover::after,.nav-link.is-active::after{left:0;right:0}
  .nav-link.is-active{color:#fff}
  .header-actions{display:none;align-items:center;gap:12px}
  @media (min-width:1024px){.header-actions{display:flex}}
  .icon-btn{
    width:44px;height:44px;border-radius:999px;display:grid;place-items:center;color:#EFE6DD;
    background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
    transition:border-color .2s ease,color .2s ease,transform .2s ease;
  }
  .icon-btn:hover{color:#fff;border-color:var(--brand-500);transform:translateY(-1px)}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:11px 24px;border-radius:999px;font-size:15px;font-weight:700;
    border:1px solid transparent;cursor:pointer;transition:transform .2s ease,filter .2s ease,border-color .2s ease,background .2s ease,color .2s ease;
  }
  .btn-primary{color:#fff;background:var(--brand-grad);box-shadow:var(--shadow-warm)}
  .btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost-dark{color:#fff;background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.22)}
  .btn-ghost-dark:hover{border-color:var(--brand-500);background:rgba(255,90,31,.14)}
  .btn-outline-light{color:var(--text-dark);background:#fff;border-color:var(--line-light)}
  .btn-outline-light:hover{border-color:var(--brand-500);color:var(--brand-600)}
  .btn-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand-600)}
  .btn-link span{transition:transform .2s ease}
  .btn-link:hover span{transform:translateX(4px)}
  .menu-toggle{
    display:inline-grid;place-items:center;width:44px;height:44px;border-radius:12px;
    background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);color:#fff;cursor:pointer;
  }
  @media (min-width:1024px){.menu-toggle{display:none}}
  .menu-toggle span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:transform .24s ease,opacity .2s ease}
  .menu-toggle span+span{margin-top:4px}
  .menu-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .menu-toggle.is-open span:nth-child(2){opacity:0}
  .menu-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

  .drawer{
    position:fixed;inset:0;z-index:70;display:none;
    background:rgba(12,9,7,.72);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
    padding:96px 20px 28px;
  }
  .drawer.is-open{display:block}
  .drawer-card{
    background:var(--ink-800);border:1px solid var(--line-dark);border-radius:var(--r-lg);
    padding:22px;box-shadow:var(--shadow-dark);max-width:520px;margin:0 auto;
  }
  .drawer-card a{display:block;padding:14px 12px;border-radius:var(--r-sm);color:#EFE6DD;font-weight:600;border:1px solid transparent}
  .drawer-card a:hover{background:rgba(255,90,31,.12);border-color:rgba(255,90,31,.35);color:#fff}
  .drawer-card a.is-active{color:#fff;background:rgba(255,90,31,.18);border-color:rgba(255,90,31,.45)}
  .drawer-foot{margin-top:16px;padding-top:16px;border-top:1px dashed rgba(255,255,255,.16)}
  .drawer-foot .btn{width:100%}

  /* ---------- Hero ---------- */
  .page-hero{
    position:relative;overflow:hidden;color:#fff;background:var(--ink-900);
    padding:calc(76px + 44px) 0 48px;
  }
  @media (min-width:768px){.page-hero{padding:calc(76px + 62px) 0 64px}}
  .page-hero__bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-1.webp');
    background-size:cover;background-position:center;opacity:.5;
  }
  .page-hero__veil{
    position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(20,16,13,.97) 0%,rgba(20,16,13,.86) 44%,rgba(30,24,21,.44) 100%);
  }
  .page-hero__inner{position:relative;z-index:2;max-width:820px}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-soft)}
  .breadcrumb a{color:var(--text-soft)}
  .breadcrumb a:hover{color:var(--brand-300)}
  .breadcrumb .sep{opacity:.6}
  .breadcrumb .current{color:#fff}
  .hero-title{
    margin-top:18px;font-size:clamp(30px,4.6vw,52px);line-height:1.16;font-weight:800;letter-spacing:.01em;
  }
  .hero-title em{font-style:normal;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:var(--brand-300);-webkit-text-fill-color:transparent}
  .hero-sub{margin-top:16px;font-size:clamp(15px,1.6vw,18px);color:#E6DCD3;max-width:620px}
  .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
  .pill{
    display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
    background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);
    font-size:12.5px;font-weight:600;color:#F3EAE2;
  }
  .pill .dot{width:7px;height:7px;border-radius:50%;background:var(--mint)}
  .pill--lemon .dot{background:var(--lemon)}
  .stamp{
    display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:8px;
    border:1px dashed rgba(255,255,255,.42);color:#FFD9C6;font-size:12px;font-weight:700;letter-spacing:.04em;
  }

  /* ---------- 搜索 ---------- */
  .search-panel{
    position:relative;margin-top:-34px;z-index:5;background:#fff;border:1px solid var(--line-light);
    border-radius:var(--r-lg);box-shadow:var(--shadow-warm);padding:22px;
  }
  @media (min-width:768px){.search-panel{padding:26px 28px}}
  .search-form{display:flex;flex-direction:column;gap:12px}
  @media (min-width:768px){.search-form{flex-direction:row;align-items:center}}
  .search-field{position:relative;flex:1}
  .search-field svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:#9C8A7B}
  .search-input{
    width:100%;height:50px;border-radius:var(--r-sm);border:1px solid var(--line-light);
    background:#FFFDFA;padding:0 16px 0 44px;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
  }
  .search-input::placeholder{color:#A2927F}
  .search-input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,90,31,.16)}
  .search-hint{margin-top:12px;font-size:13.5px;color:var(--text-muted)}
  .search-hint b{color:var(--brand-600)}

  /* ---------- 通用标题 ---------- */
  .sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:30px}
  .sec-title{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:800}
  .sec-title .bar{
    display:inline-block;width:34px;height:4px;border-radius:4px;background:var(--brand-grad);
    margin-bottom:12px;
  }
  .sec-desc{margin-top:10px;color:var(--text-muted);max-width:620px;font-size:15.5px}
  .stamp-dark{
    display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:8px;
    border:1px dashed rgba(255,90,31,.5);color:var(--brand-600);font-size:12px;font-weight:700;
  }

  /* ---------- FAQ 分组 ---------- */
  .faq-groups{display:grid;gap:26px}
  @media (min-width:1024px){.faq-groups{grid-template-columns:1fr;gap:30px}}
  .faq-group{
    background:#fff;border:1px solid var(--line-light);border-radius:var(--r-lg);padding:22px;
    box-shadow:0 16px 40px -34px rgba(36,28,22,.6);
  }
  @media (min-width:768px){.faq-group{padding:28px}}
  .faq-group__head{display:flex;align-items:center;gap:12px;margin-bottom:16px;padding-bottom:14px;border-bottom:1px dashed var(--line-light)}
  .faq-group__num{
    width:40px;height:40px;flex:0 0 auto;border-radius:12px;display:grid;place-items:center;
    background:rgba(255,90,31,.1);color:var(--brand-600);font-weight:800;font-size:15px;
  }
  .faq-group__title{font-size:19px;font-weight:800}
  .faq-group__note{font-size:13px;color:var(--text-muted);margin-top:2px}
  .faq-item{
    border:1px solid var(--line-light);border-radius:var(--r-md);background:#FFFDFA;
    transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item+.faq-item{margin-top:12px}
  .faq-item:hover{border-color:rgba(255,90,31,.4)}
  .faq-item.is-open{background:rgba(255,90,31,.055);border-color:rgba(255,90,31,.42);box-shadow:0 14px 32px -30px rgba(255,90,31,.9)}
  .faq-q{
    display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;
    padding:15px 18px;background:none;border:0;text-align:left;cursor:pointer;
    font-size:15.5px;font-weight:700;color:var(--text-dark);min-height:52px;
  }
  .faq-icon{
    flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
    border:1px solid var(--line-light);color:var(--brand-600);font-size:16px;font-weight:700;
    transition:transform .28s ease,color .2s ease,border-color .2s ease;
  }
  .faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:rgba(255,90,31,.5)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
  .faq-a__inner{padding:0 18px 16px;color:var(--text-muted);font-size:15px;line-height:1.85}
  .faq-a__inner b{color:var(--brand-600)}

  /* ---------- 联系表单 ---------- */
  .contact-wrap{display:grid;gap:24px}
  @media (min-width:1024px){.contact-wrap{grid-template-columns:1.55fr 1fr;align-items:start}}
  .contact-card{
    background:#fff;border:1px solid var(--line-light);border-radius:var(--r-lg);padding:24px;
    box-shadow:var(--shadow-warm);
  }
  @media (min-width:768px){.contact-card{padding:30px}}
  .form-grid{display:grid;gap:16px}
  @media (min-width:640px){.form-grid{grid-template-columns:1fr 1fr}}
  .field{display:flex;flex-direction:column;gap:8px}
  .field--full{grid-column:1/-1}
  .field label{font-size:14px;font-weight:600;color:var(--text-dark)}
  .field label .req{color:var(--brand-600)}
  .field input,.field select,.field textarea{
    width:100%;border-radius:var(--r-sm);border:1px solid var(--line-light);background:#FFFDFA;
    font-size:15px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  }
  .field input,.field select{height:48px;padding:0 14px}
  .field textarea{min-height:128px;padding:12px 14px;resize:vertical;line-height:1.75}
  .field input::placeholder,.field textarea::placeholder{color:#A2927F}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,90,31,.16);background:#fff;
  }
  .form-note{font-size:13px;color:var(--text-muted)}
  .form-feedback{
    margin-top:14px;display:none;align-items:center;gap:8px;padding:12px 14px;border-radius:var(--r-sm);
    font-size:14px;font-weight:600;color:#0B6B5C;background:rgba(18,223,192,.12);border:1px solid rgba(18,223,192,.45);
  }
  .form-feedback.is-show{display:flex}
  .aside-card{
    background:var(--ink-800);color:#fff;border:1px solid var(--line-dark);border-radius:var(--r-lg);
    padding:24px;box-shadow:var(--shadow-dark);
  }
  .aside-card h3{font-size:19px;font-weight:800}
  .aside-card p{color:var(--text-soft);font-size:14.5px;margin-top:8px}
  .check-list{margin-top:16px;display:grid;gap:12px}
  .check-list li{display:flex;gap:10px;font-size:14.5px;color:#EFE6DD;line-height:1.7}
  .check-list .tick{
    flex:0 0 auto;width:20px;height:20px;border-radius:6px;display:grid;place-items:center;
    background:rgba(18,223,192,.16);color:var(--mint);font-size:12px;font-weight:800;margin-top:3px;
  }
  .aside-divider{height:1px;background:rgba(255,255,255,.14);margin:18px 0}
  .aside-kv{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--text-soft)}
  .aside-kv b{color:#fff;font-weight:700}

  /* ---------- 相关栏目 / CTA ---------- */
  .related-chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
  .chip{
    display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:10px 18px;border-radius:999px;
    background:#fff;border:1px solid var(--line-light);font-size:14.5px;font-weight:600;color:var(--text-dark);
    transition:border-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .chip:hover{border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-2px);box-shadow:var(--shadow-warm)}
  .cta-band{
    position:relative;overflow:hidden;border-radius:var(--r-lg);color:#fff;
    background:linear-gradient(115deg,#1E1815 0%,#241C16 52%,#3A1B0C 100%);
    border:1px solid rgba(255,255,255,.12);padding:30px 24px;box-shadow:var(--shadow-dark);
  }
  @media (min-width:768px){.cta-band{padding:44px 40px}}
  .cta-band::after{
    content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,90,31,.42),transparent 68%);
  }
  .cta-band__inner{position:relative;z-index:2;display:grid;gap:20px}
  @media (min-width:1024px){.cta-band__inner{grid-template-columns:1.5fr 1fr;align-items:center}}
  .cta-band h2{font-size:clamp(22px,2.6vw,32px);font-weight:800;line-height:1.3}
  .cta-band p{margin-top:10px;color:var(--text-soft);font-size:15px;max-width:560px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
  .cta-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}

  /* ---------- 页脚 ---------- */
  .site-footer{
    position:relative;background:var(--ink-900);color:var(--text-soft);padding:48px 0 26px;margin-top:0;
  }
  .site-footer::before{
    content:"";position:absolute;left:0;right:0;top:0;height:2px;
    background:linear-gradient(90deg,rgba(255,90,31,0),#FF5A1F 35%,#FFD84D 60%,rgba(255,45,126,0));
  }
  .footer-grid{display:grid;gap:28px}
  @media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}}
  .footer-brand .logo{margin-bottom:14px}
  .footer-brand p{font-size:14.5px;color:var(--text-soft);max-width:340px}
  .footer-social{display:flex;gap:10px;margin-top:16px}
  .footer-social a{
    width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:#E6DCD3;
    background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
    transition:border-color .2s ease,color .2s ease,transform .2s ease;
  }
  .footer-social a:hover{border-color:var(--brand-500);color:#fff;transform:translateY(-2px)}
  .footer-col h4{font-size:14px;font-weight:700;color:var(--brand-300);margin-bottom:14px;letter-spacing:.02em}
  .footer-col li+li{margin-top:10px}
  .footer-col a{font-size:14.5px;color:var(--text-soft);transition:color .2s ease}
  .footer-col a:hover{color:#fff}
  .footer-col address{font-style:normal;font-size:14.5px;line-height:1.9}
  .footer-col address a{color:var(--brand-300)}
  .footer-bottom{
    margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
    display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
    font-size:12.5px;color:#9C8E82;
  }
  .footer-bottom a{color:#C9BDB2}
  .footer-bottom a:hover{color:var(--brand-300)}

  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  }

/* roulang page: category4 */
:root{
  --brand:#FF5A1F;
  --brand-deep:#E8440E;
  --brand-light:#FF8A3D;
  --cyan:#12DFC0;
  --lemon:#FFD84D;
  --ink-900:#14100D;
  --ink-800:#1E1815;
  --paper:#FBF7F2;
  --paper-2:#F4ECE3;
  --line:#EADFD3;
  --line-dark:rgba(255,255,255,.12);
  --text:#241C16;
  --text-sub:#6B5B4E;
  --text-invert:#FFFFFF;
  --text-invert-sub:#C9BDB2;
  --grad:linear-gradient(120deg,#FF8A3D,#FF5A1F 45%,#FF2E7E);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-soft:0 18px 44px -26px rgba(255,90,31,.45);
  --shadow-card:0 18px 36px -30px rgba(20,16,13,.55);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font:inherit;color:inherit;border:none;background:none;cursor:pointer;}
input,textarea{font:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container-x{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media(min-width:768px){.container-x{padding-left:32px;padding-right:32px;}}
@media(min-width:1280px){.container-x{padding-left:40px;padding-right:40px;}}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  background:rgba(20,16,13,.42);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:0 12px 34px -26px rgba(0,0,0,.9);
  transition:background .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-stuck{
  background:rgba(20,16,13,.96);
  box-shadow:0 22px 44px -28px rgba(0,0,0,.95);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  flex:0 0 auto;
}
.logo-mark{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 24px -14px rgba(255,90,31,.9);
  flex:0 0 auto;
}
.logo-text{
  display:block;
  font-size:17px;
  font-weight:800;
  letter-spacing:.01em;
  line-height:1.2;
}
.logo-sub{
  display:block;
  font-size:10px;
  font-weight:600;
  letter-spacing:.12em;
  color:rgba(255,255,255,.55);
  line-height:1.4;
}
.nav-links{
  display:none;
  align-items:center;
  gap:26px;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 2px;
  font-size:15px;
  font-weight:600;
  color:rgba(255,255,255,.8);
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;right:50%;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transition:left .24s var(--ease),right .24s var(--ease);
}
.nav-link:hover,.nav-link:focus-visible{color:#fff;}
.nav-link:hover::after,.nav-link:focus-visible::after,.nav-link.is-active::after{left:0;right:0;}
.nav-link.is-active{color:#fff;}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.icon-btn{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.9);
  background:rgba(255,255,255,.05);
  transition:border-color .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.icon-btn:hover{border-color:var(--brand);color:#fff;background:rgba(255,90,31,.18);}
.hamburger{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.05);
}
.hamburger span{
  display:block;
  width:18px;height:2px;
  background:#fff;
  border-radius:2px;
  transition:transform .24s var(--ease),opacity .2s var(--ease);
}
.hamburger span + span{margin-top:4px;}
body.menu-open .hamburger span:nth-child(1){transform:translateY(6px) rotate(45deg);}
body.menu-open .hamburger span:nth-child(2){opacity:0;}
body.menu-open .hamburger span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:75;
  display:none;
  padding:96px 20px 32px;
  background:rgba(20,16,13,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  overflow-y:auto;
}
body.menu-open .mobile-drawer{display:block;}
.drawer-card{
  background:var(--ink-800);
  border:1px solid rgba(255,255,255,.12);
  border-radius:20px;
  padding:20px;
  max-width:520px;
  margin:0 auto;
  box-shadow:0 30px 60px -40px rgba(0,0,0,.95);
}
.drawer-card a.drawer-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:48px;
  padding:10px 4px;
  color:#fff;
  font-size:16px;
  font-weight:600;
  border-bottom:1px dashed rgba(255,255,255,.14);
}
.drawer-card a.drawer-link:last-of-type{border-bottom:none;}
.drawer-card a.drawer-link.is-active{color:var(--brand-light);}
.drawer-card .drawer-cta{margin-top:16px;display:block;}
@media(min-width:1024px){
  .nav-links{display:flex;}
  .hamburger{display:none;}
  .header-inner{min-height:80px;}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:12px 24px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  transition:transform .2s var(--ease),filter .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{
  color:#fff;
  background:var(--grad);
  box-shadow:var(--shadow-soft);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);filter:brightness(.98);}
.btn-ghost{
  color:#fff;
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);
}
.btn-ghost:hover{border-color:var(--brand);background:rgba(255,90,31,.16);transform:translateY(-2px);}
.btn-outline{
  color:var(--text);
  border:1.5px solid var(--text);
  background:#fff;
  box-shadow:4px 4px 0 -1px rgba(20,16,13,.1);
}
.btn-outline:hover{transform:translate(-1px,-1px);box-shadow:6px 6px 0 -1px rgba(255,90,31,.35);border-color:var(--brand);color:var(--brand-deep);}
.btn-sm{min-height:42px;padding:10px 20px;font-size:14px;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:700;
  color:var(--brand-deep);
  min-height:44px;
}
.link-arrow span.arw{transition:transform .2s var(--ease);}
.link-arrow:hover span.arw{transform:translateX(4px);}
.link-arrow:hover{color:var(--brand);}

/* ============ Hero ============ */
.cat-hero{
  position:relative;
  overflow:hidden;
  background:var(--ink-900);
  padding:118px 0 56px;
  min-height:380px;
  display:flex;
  align-items:flex-end;
}
.cat-hero-bg{
  position:absolute;
  inset:0;
  width:100%;height:100%;
  object-fit:cover;
  opacity:.55;
}
.cat-hero-veil{
  position:absolute;
  inset:0;
  background:
    linear-gradient(100deg,rgba(20,16,13,.94) 0%,rgba(20,16,13,.82) 42%,rgba(20,16,13,.42) 72%,rgba(232,68,14,.34) 100%);
}
.cat-hero-veil::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(120% 80% at 88% 8%,rgba(255,216,77,.16),transparent 60%);
}
.cat-hero-inner{position:relative;z-index:2;width:100%;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:rgba(201,189,178,.9);
  margin-bottom:18px;
}
.breadcrumb a{color:rgba(201,189,178,.9);}
.breadcrumb a:hover{color:var(--brand-light);}
.breadcrumb .sep{color:rgba(255,255,255,.3);}
.breadcrumb .current{color:#fff;font-weight:600;}
.cat-hero h1{
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.16;
  font-weight:800;
  color:#fff;
  letter-spacing:0;
  max-width:880px;
}
.cat-hero h1 em{
  font-style:normal;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  color:var(--brand-light);
}
.cat-hero-sub{
  margin-top:16px;
  max-width:640px;
  font-size:16px;
  line-height:1.8;
  color:var(--text-invert-sub);
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:36px;
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  color:#fff;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
}
.pill .dot{
  width:8px;height:8px;border-radius:999px;background:var(--cyan);
  box-shadow:0 0 0 4px rgba(18,223,192,.16);
}
.pill .dot.amber{background:var(--lemon);box-shadow:0 0 0 4px rgba(255,216,77,.16);}
.pill-num{font-variant-numeric:tabular-nums;font-weight:800;}

/* ============ 区块通用 ============ */
.section{padding:56px 0;}
@media(min-width:768px){.section{padding:72px 0;}}
@media(min-width:1200px){.section{padding:96px 0;}}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:28px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--brand-deep);
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;
  border-radius:2px;
  background:var(--grad);
}
.section-title{
  font-size:clamp(24px,3vw,38px);
  line-height:1.25;
  font-weight:800;
  color:var(--text);
}
.section-desc{
  margin-top:12px;
  max-width:640px;
  font-size:15px;
  color:var(--text-sub);
  line-height:1.8;
}
.on-dark .section-title{color:#fff;}
.on-dark .section-desc{color:var(--text-invert-sub);}
.on-dark .eyebrow{color:var(--brand-light);}

/* ============ 概览数据卡 ============ */
.overview-grid{
  display:grid;
  gap:16px;
  grid-template-columns:1fr;
}
@media(min-width:640px){.overview-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.overview-grid{grid-template-columns:repeat(4,1fr);gap:20px;}}
.stat-card{
  position:relative;
  background:#fff;
  border:1.5px solid var(--text);
  border-radius:var(--r-md);
  padding:20px;
  box-shadow:6px 6px 0 -1px rgba(20,16,13,.08);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.stat-card:hover{transform:translate(-2px,-2px);box-shadow:9px 9px 0 -1px rgba(255,90,31,.28);border-color:var(--brand-deep);}
.stat-label{
  font-size:13px;
  font-weight:600;
  color:var(--text-sub);
  display:flex;
  align-items:center;
  gap:8px;
}
.stat-label i{
  width:6px;height:6px;border-radius:999px;background:var(--brand);display:inline-block;
}
.stat-value{
  margin-top:10px;
  font-size:34px;
  font-weight:800;
  line-height:1.1;
  font-variant-numeric:tabular-nums;
  color:var(--text);
}
.stat-value small{font-size:14px;font-weight:600;color:var(--text-sub);margin-left:4px;}
.stat-note{
  margin-top:8px;
  font-size:13px;
  color:var(--text-sub);
}

/* ============ 排行列表 ============ */
.rank-panel{
  background:#fff;
  border:1.5px solid var(--text);
  border-radius:var(--r-lg);
  padding:18px;
  box-shadow:8px 8px 0 -1px rgba(20,16,13,.07);
}
@media(min-width:768px){.rank-panel{padding:26px;}}
.rank-legend{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  padding-bottom:16px;
  margin-bottom:8px;
  border-bottom:1.5px dashed var(--line);
  font-size:13px;
  color:var(--text-sub);
}
.rank-legend span{display:inline-flex;align-items:center;gap:6px;}
.legend-swatch{width:12px;height:12px;border-radius:4px;border:1px solid rgba(20,16,13,.3);}
.sw-lemon{background:var(--lemon);}
.sw-cyan{background:var(--cyan);}
.sw-brand{background:var(--brand);}
.sw-plain{background:#fff;}

.rank-list{display:flex;flex-direction:column;gap:10px;margin-top:8px;}
.rank-row{
  display:flex;
  align-items:center;
  gap:14px;
  padding:12px;
  border:1.5px solid var(--line);
  border-radius:var(--r-md);
  background:#fff;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease),background .2s var(--ease);
}
.rank-row:hover{
  border-color:var(--brand);
  background:#FFFBF7;
  transform:translateY(-2px);
  box-shadow:var(--shadow-card);
}
.rank-num{
  flex:0 0 auto;
  width:46px;height:46px;
  display:grid;place-items:center;
  border-radius:var(--r-sm);
  border:1.5px solid var(--text);
  font-weight:800;
  font-size:17px;
  font-variant-numeric:tabular-nums;
  background:#fff;
  color:var(--text);
}
.rank-num.top1{background:var(--lemon);}
.rank-num.top2{background:var(--cyan);color:#083B33;border-color:#0E9E8A;}
.rank-num.top3{background:var(--brand);color:#fff;border-color:var(--brand-deep);}
.rank-main{flex:1 1 auto;min-width:0;}
.rank-head{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin-bottom:8px;
}
.rank-name{
  font-size:16px;
  font-weight:700;
  color:var(--text);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  max-width:100%;
}
.mini-tag{
  display:inline-flex;
  align-items:center;
  padding:2px 9px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  color:var(--text-sub);
  background:var(--paper-2);
  border:1px solid var(--line);
}
.mini-tag.hot{color:#7A2A05;background:rgba(255,138,61,.16);border-color:rgba(255,90,31,.32);}
.rank-bar{
  height:8px;
  border-radius:999px;
  background:#EFE5DA;
  overflow:hidden;
}
.rank-bar > span{
  display:block;
  height:100%;
  border-radius:999px;
  background:linear-gradient(90deg,#FF8A3D,#FF5A1F);
  transition:width .8s var(--ease);
}
.rank-bar.is-cyan > span{background:linear-gradient(90deg,#12DFC0,#0FB09A);}
.rank-bar.is-lemon > span{background:linear-gradient(90deg,#FFD84D,#FFB020);}
.rank-value{
  flex:0 0 auto;
  text-align:right;
  font-size:20px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  color:var(--text);
  min-width:62px;
}
.rank-value small{display:block;font-size:11px;font-weight:600;color:var(--text-sub);letter-spacing:.02em;}
@media(max-width:519px){
  .rank-row{flex-wrap:wrap;}
  .rank-main{flex:1 1 calc(100% - 60px);}
  .rank-value{width:100%;text-align:left;padding-left:60px;font-size:17px;}
  .rank-value small{display:inline;margin-left:4px;}
}

/* ============ 分项榜 ============ */
.split-grid{
  display:grid;
  gap:20px;
  grid-template-columns:1fr;
}
@media(min-width:1024px){
  .split-grid{grid-template-columns:1.35fr 1fr;align-items:start;}
}
.feature-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  border:1.5px solid var(--text);
  background:var(--ink-900);
  color:#fff;
  box-shadow:8px 8px 0 -1px rgba(20,16,13,.14);
}
.feature-card-media{position:relative;aspect-ratio:16/8;}
.feature-card-media img{width:100%;height:100%;object-fit:cover;opacity:.72;}
.feature-card-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,16,13,.1),rgba(20,16,13,.92));
}
.feature-card-body{padding:20px;}
@media(min-width:768px){.feature-card-body{padding:26px;}}
.feature-card h3{font-size:22px;font-weight:800;line-height:1.4;}
.feature-card p.lead{margin-top:8px;font-size:14px;color:var(--text-invert-sub);}
.mini-rank{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.mini-rank li{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
}
.mini-rank .idx{
  width:24px;height:24px;flex:0 0 auto;
  display:grid;place-items:center;
  border-radius:8px;
  background:rgba(255,255,255,.12);
  font-size:12px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.mini-rank .idx.gold{background:var(--lemon);color:#3A2A00;}
.mini-rank .idx.cyanx{background:var(--cyan);color:#06362F;}
.mini-rank .idx.brandx{background:var(--brand);color:#fff;}
.mini-rank .nm{flex:1 1 auto;min-width:0;font-size:14px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.mini-rank .vl{font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--brand-light);}

.side-stack{display:grid;gap:20px;}
.side-card{
  background:#fff;
  border:1.5px solid var(--text);
  border-radius:var(--r-md);
  padding:20px;
  box-shadow:6px 6px 0 -1px rgba(20,16,13,.08);
}
.side-card h3{
  font-size:18px;
  font-weight:800;
  display:flex;align-items:center;gap:8px;
}
.side-card h3 i{
  width:10px;height:10px;border-radius:3px;background:var(--brand);display:inline-block;
}
.side-card .hint{font-size:13px;color:var(--text-sub);margin-top:6px;}
.bar-line{margin-top:14px;}
.bar-line-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px;font-size:14px;font-weight:600;margin-bottom:6px;}
.bar-line-top .nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.bar-line-top .vl{font-variant-numeric:tabular-nums;font-weight:800;color:var(--brand-deep);}

/* ============ 数据说明 ============ */
.notes-section{background:var(--paper-2);border-top:1.5px dashed var(--line);border-bottom:1.5px dashed var(--line);}
.notes-grid{
  display:grid;
  gap:16px;
  grid-template-columns:1fr;
}
@media(min-width:768px){.notes-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1100px){.notes-grid{grid-template-columns:repeat(3,1fr);}}
.note-card{
  background:#fff;
  border-left:4px solid var(--brand);
  border-radius:0 var(--r-md) var(--r-md) 0;
  padding:18px 20px;
  box-shadow:0 14px 30px -28px rgba(20,16,13,.7);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.note-card:hover{border-left-color:var(--cyan);transform:translateY(-2px);}
.note-card h3{font-size:16px;font-weight:800;margin-bottom:8px;}
.note-card p{font-size:14px;color:var(--text-sub);line-height:1.85;}
.note-card.wide{grid-column:1/-1;border-left-color:var(--lemon);}
.note-card.wide p{max-width:900px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1.5px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item:hover{border-color:rgba(255,90,31,.55);}
.faq-item.open{
  border-color:var(--brand);
  background:#FFF7F1;
  box-shadow:var(--shadow-card);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:16px 18px;
  text-align:left;
  font-size:16px;
  font-weight:700;
  color:var(--text);
  min-height:56px;
}
.faq-icon{
  position:relative;
  width:22px;height:22px;
  flex:0 0 auto;
  border-radius:999px;
  border:1.5px solid var(--brand);
  color:var(--brand);
  transition:transform .24s var(--ease),background .24s var(--ease),color .24s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  top:50%;left:50%;
  background:currentColor;
  border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:1.8px;}
.faq-icon::after{width:1.8px;height:10px;transition:transform .24s var(--ease),opacity .2s var(--ease);}
.faq-item.open .faq-icon{background:var(--brand);color:#fff;transform:rotate(90deg);}
.faq-item.open .faq-icon::after{opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s var(--ease);
}
.faq-a-inner{
  padding:0 18px 18px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-sub);
  border-top:1px dashed rgba(255,90,31,.28);
  padding-top:14px;
  margin-top:-2px;
}

/* ============ 相关栏目 + CTA ============ */
.rel-caps{display:flex;flex-wrap:wrap;gap:12px;}
.cap{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:10px 20px;
  border-radius:999px;
  font-size:14px;
  font-weight:700;
  color:var(--text);
  background:#fff;
  border:1.5px solid var(--text);
  box-shadow:4px 4px 0 -1px rgba(20,16,13,.1);
  transition:transform .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.cap:hover{
  transform:translate(-2px,-2px);
  border-color:var(--brand);
  color:var(--brand-deep);
  box-shadow:6px 6px 0 -1px rgba(255,90,31,.32);
}
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  background:linear-gradient(120deg,#1E1815 0%,#2A1A12 46%,#3D1B0E 100%);
  border:1.5px solid rgba(255,255,255,.14);
  padding:32px 22px;
  color:#fff;
  box-shadow:0 34px 70px -50px rgba(0,0,0,.95);
}
@media(min-width:768px){.cta-band{padding:48px 40px;}}
.cta-band::before{
  content:"";
  position:absolute;
  right:-80px;top:-90px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,31,.42),transparent 66%);
}
.cta-band::after{
  content:"";
  position:absolute;
  left:-60px;bottom:-110px;
  width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,216,77,.2),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;gap:24px;}
@media(min-width:1024px){.cta-inner{grid-template-columns:1.4fr 1fr;align-items:center;}}
.cta-band h2{font-size:clamp(22px,2.8vw,34px);line-height:1.3;font-weight:800;}
.cta-band p{margin-top:12px;color:var(--text-invert-sub);font-size:15px;max-width:560px;}
.cta-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media(min-width:1024px){.cta-actions{justify-content:flex-end;}}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:var(--ink-900);
  color:var(--text-invert-sub);
  padding:48px 0 24px;
  margin-top:0;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:var(--grad);
}
.footer-grid{
  display:grid;
  gap:32px;
  grid-template-columns:1fr;
}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.85;max-width:320px;color:var(--text-invert-sub);}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.16);
  color:rgba(255,255,255,.75);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.footer-social a:hover{border-color:var(--brand);color:#fff;background:rgba(255,90,31,.18);transform:translateY(-2px);}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:var(--brand-light);
  margin-bottom:14px;
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:2px;}
.footer-col li a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  font-size:14px;
  color:var(--text-invert-sub);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col li a:hover{color:#fff;transform:translateX(3px);}
.footer-col address{
  font-style:normal;
  font-size:14px;
  line-height:2;
  color:var(--text-invert-sub);
}
.footer-col address a{color:#fff;border-bottom:1px dashed rgba(255,255,255,.34);}
.footer-col address a:hover{color:var(--brand-light);border-bottom-color:var(--brand-light);}
.footer-bottom{
  margin-top:36px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:rgba(201,189,178,.75);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:16px;}
.footer-bottom a:hover{color:var(--brand-light);}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}