/* roulang page: index */
:root{
  --brand:#FF5A36;
  --brand-deep:#E8481F;
  --violet:#5A3FE8;
  --mint:#17C3A2;
  --grad:linear-gradient(120deg,#FF5A36 0%,#5A3FE8 100%);
  --bg:#FBF9F7;
  --bg-soft:#FFF1EC;
  --dark:#17161C;
  --ink:#17161C;
  --ink-2:#5C5A66;
  --ink-3:#8E8C99;
  --line:#EBE7E2;
  --white:#FFFFFF;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --r-xl:28px; --r-lg:22px; --r-md:16px; --r-sm:14px; --r-pill:999px;
  --sh-1:0 6px 20px rgba(23,22,28,.06);
  --sh-2:0 16px 40px rgba(23,22,28,.12);
  --sh-3:0 24px 60px rgba(90,63,232,.14);
  --bs-primary-rgb:255,90,54;
  --bs-link-color:#FF5A36;
  --bs-link-hover-color:#5A3FE8;
  --bs-body-font-family:var(--font);
  --bs-border-radius:.9rem;
  --bs-body-bg:#FBF9F7;
  --bs-body-color:#17161C;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .22s ease}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(90,63,232,.28);outline-offset:2px;border-radius:8px}
.shell{width:100%;max-width:1320px;margin:0 auto;padding:0 clamp(18px,4vw,34px)}
.section{padding:88px 0}
.section.alt{background:var(--bg-soft)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.sec-title{font-size:clamp(23px,2.5vw,32px);font-weight:800;letter-spacing:.01em}
.sec-desc{color:var(--ink-2);font-size:15px;margin-top:8px;line-height:1.75}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand);white-space:nowrap}
.link-more i{transition:transform .22s ease}
.link-more:hover i{transform:translateX(3px)}
/* 按钮 */
.btn-grad,.btn-ghost,.btn-soft,.btn-white,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--r-pill);font-size:14px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:transform .24s ease,box-shadow .24s ease,background .24s ease,color .24s ease,border-color .24s ease;
  white-space:nowrap;
}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,90,54,.26)}
.btn-grad:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(90,63,232,.28);filter:brightness(1.06);color:#fff}
.btn-grad:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,90,54,.22)}
.btn-ghost{background:rgba(255,255,255,.72);border-color:rgba(255,90,54,.42);color:var(--brand);backdrop-filter:blur(8px)}
.btn-ghost:hover{background:var(--bg-soft);border-color:var(--brand);color:var(--brand-deep)}
.btn-soft{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-soft:hover{background:var(--bg-soft);border-color:rgba(255,90,54,.4);color:var(--brand-deep)}
.btn-white{background:#fff;color:var(--brand-deep)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(0,0,0,.24);color:var(--brand-deep)}
.btn-line{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-line:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff}
.btn-lg{height:48px;padding:0 26px;font-size:15px}
.btn-block{width:100%}
.btn-pill-sm{height:34px;padding:0 16px;font-size:13px}
/* 玻璃导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(255,255,255,.42);
  backdrop-filter:blur(14px) saturate(160%);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.55);
  box-shadow:0 8px 24px rgba(23,22,28,.06);
  transition:background .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.site-header.is-stuck{background:rgba(255,255,255,.94);backdrop-filter:blur(8px) saturate(140%);-webkit-backdrop-filter:blur(8px) saturate(140%);border-bottom-color:rgba(23,22,28,.07);box-shadow:0 10px 30px rgba(23,22,28,.10)}
.nav-wrap{display:flex;align-items:center;gap:28px;height:76px;position:relative;transition:height .24s ease}
.site-header.is-stuck .nav-wrap{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800;font-size:19px;box-shadow:0 8px 20px rgba(255,90,54,.28);flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.18;font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:10.5px;font-weight:600;color:var(--ink-3);letter-spacing:.16em}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:6px}
.nav-link{position:relative;font-size:15px;font-weight:700;color:var(--ink-2);padding:6px 2px}
.nav-link:hover{color:var(--ink)}
.nav-link.active{color:var(--ink)}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;border-radius:2px;background:var(--grad)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid rgba(23,22,28,.10);background:rgba(255,255,255,.7);color:var(--ink-2);display:grid;place-items:center;cursor:pointer;transition:all .22s ease}
.icon-btn:hover{color:var(--brand);border-color:rgba(255,90,54,.4);background:#fff}
.nav-search{
  position:absolute;top:calc(100% + 10px);right:0;width:348px;padding:12px;
  background:rgba(255,255,255,.94);backdrop-filter:blur(12px);
  border:1px solid rgba(23,22,28,.07);border-radius:var(--r-md);box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(-8px);transition:all .24s ease;
}
.nav-search.open{opacity:1;visibility:visible;transform:translateY(0)}
.nav-search form{display:flex;gap:8px}
.nav-search input{flex:1;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);padding:0 14px;font-size:14px;background:#fff;color:var(--ink);outline:none;transition:border-color .2s ease,box-shadow .2s ease}
.nav-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(90,63,232,.14)}
.nav-search button{height:44px;padding:0 18px;border-radius:var(--r-sm);border:0;background:var(--grad);color:#fff;font-size:14px;font-weight:700;cursor:pointer}
.burger{width:42px;height:42px;border-radius:12px;border:1px solid rgba(23,22,28,.1);background:rgba(255,255,255,.72);display:none;place-items:center;cursor:pointer;color:var(--ink)}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);margin:3px auto}
/* Hero */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;padding:132px 0 104px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(112deg,rgba(251,249,247,.97) 0%,rgba(251,249,247,.90) 40%,rgba(255,241,236,.76) 68%,rgba(90,63,232,.24) 100%)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:120px;background:linear-gradient(180deg,rgba(251,249,247,0),#FBF9F7);pointer-events:none}
.hero .shell{position:relative;z-index:2}
.hero-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.74);border:1px solid rgba(255,90,54,.28);color:#B8360F;font-size:13px;font-weight:700;backdrop-filter:blur(6px)}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 3px rgba(255,90,54,.18)}
.hero h1{font-size:clamp(30px,4.4vw,56px);font-weight:800;line-height:1.22;letter-spacing:.005em;margin:20px 0 0}
.hero h1 .grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:18px;font-size:16.5px;line-height:1.75;color:var(--ink-2);max-width:520px}
.hero-cta{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-badges{display:flex;gap:12px;margin-top:34px;flex-wrap:wrap}
.badge-data{display:inline-flex;align-items:center;gap:7px;height:28px;padding:0 13px;border-radius:var(--r-pill);font-size:12px;font-weight:600;color:var(--ink-2);background:#fff;border:1px solid rgba(90,63,232,.2);font-variant-numeric:tabular-nums}
.badge-data b{font-size:13px;font-weight:800;color:var(--ink)}
.badge-data.on-dark{background:rgba(23,22,28,.74);border-color:transparent;color:#D9D7E2;backdrop-filter:blur(6px)}
.badge-data.on-dark b{color:#fff}
.badge-data.mint{background:rgba(23,195,162,.12);border-color:rgba(23,195,162,.32);color:#0E7C68}
.badge-data.mint b{color:#0E7C68}
.hero-card{position:relative;background:#fff;border-radius:24px;padding:16px;box-shadow:0 24px 60px rgba(90,63,232,.14),0 6px 20px rgba(23,22,28,.06);transform:translateY(-14px)}
.hero-card::before{content:"";position:absolute;inset:0;border-radius:24px;padding:1.5px;background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.hero-card-cover{position:relative;border-radius:18px;overflow:hidden;aspect-ratio:16/11}
.hero-card-cover img{width:100%;height:100%;object-fit:cover}
.hero-card-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,22,28,0) 40%,rgba(23,22,28,.42) 100%)}
.chip{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:700;background:rgba(255,255,255,.92);color:var(--ink-2);backdrop-filter:blur(6px)}
.chip-grad{background:var(--grad);color:#fff}
.hero-card-cover .chip{position:absolute;left:14px;top:14px;z-index:2}
.hero-float{position:absolute;z-index:2}
.hero-float.b1{right:14px;bottom:62px}
.hero-float.b2{right:14px;bottom:18px}
.hero-card-body{padding:18px 6px 6px}
.hero-card-title{font-size:20px;font-weight:800}
.hero-card-desc{margin-top:8px;font-size:14px;line-height:1.75;color:var(--ink-2)}
.hero-card-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0}
.hero-card-stats div{display:flex;flex-direction:column;gap:2px}
.hero-card-stats b{font-size:15px;font-weight:800}
.hero-card-stats span{font-size:12px;color:var(--ink-3)}
/* 爆款网格 */
.picks-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.pick-card{background:#fff;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .26s ease,box-shadow .26s ease}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.pick-card.featured{grid-column:span 2}
.pick-cover{position:relative;aspect-ratio:16/10;overflow:hidden}
.pick-card.featured .pick-cover{aspect-ratio:16/8}
.pick-cover img{width:100%;height:100%;object-fit:cover;transition:transform .26s ease}
.pick-card:hover .pick-cover img{transform:scale(1.04)}
.pick-tag{position:absolute;left:14px;top:14px;z-index:2}
.pick-score{position:absolute;right:14px;top:14px;z-index:2;background:rgba(23,22,28,.74);border-color:transparent;color:#D9D7E2;backdrop-filter:blur(6px)}
.pick-score b{color:#fff}
.pick-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.pick-title{font-size:16.5px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pick-card.featured .pick-title{font-size:19px}
.pick-meta{font-size:13px;color:var(--ink-3);line-height:1.7}
.pick-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:14px}
.pick-state{font-size:13px;font-weight:700;color:var(--brand)}
/* 开服通道 */
.serve-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px}
.serve-main{position:relative;border-radius:var(--r-xl);overflow:hidden;min-height:420px;display:flex;align-items:flex-end;padding:30px}
.serve-main .bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
.serve-main .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(23,22,28,.86) 0%,rgba(23,22,28,.72) 46%,rgba(90,63,232,.62) 100%)}
.serve-main-inner{position:relative;z-index:2;width:100%;color:#fff}
.serve-main h3{font-size:clamp(20px,2vw,26px);font-weight:800;color:#fff}
.serve-main p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.78);line-height:1.8}
.serve-list{margin-top:20px;display:flex;flex-direction:column;gap:2px}
.serve-row{display:flex;align-items:center;gap:14px;padding:12px 14px;border-radius:14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);transition:background .22s ease}
.serve-row:hover{background:rgba(255,255,255,.16)}
.serve-time{font-size:14px;font-weight:800;color:#fff;width:56px;flex:0 0 auto}
.serve-name{font-size:14px;color:rgba(255,255,255,.9);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.serve-tag{font-size:11.5px;font-weight:700;padding:3px 10px;border-radius:var(--r-pill);background:rgba(23,195,162,.22);color:#7BF0D8;flex:0 0 auto}
.serve-side{display:grid;gap:24px;align-content:stretch}
.mini-card{background:#fff;border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--sh-1);padding:22px;display:flex;flex-direction:column;gap:12px;transition:transform .26s ease,box-shadow .26s ease}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.mini-card h4{font-size:17px;font-weight:700}
.mini-card p{font-size:13.5px;color:var(--ink-2);line-height:1.8}
.mini-thumb{border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/7}
.mini-thumb img{width:100%;height:100%;object-fit:cover}
.mini-list{display:flex;flex-direction:column;gap:8px}
.mini-list li{display:flex;gap:9px;align-items:flex-start;font-size:13.5px;color:var(--ink-2);line-height:1.7}
.mini-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);flex:0 0 auto;margin-top:9px}
/* 最新信息 CMS */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--sh-1);padding:22px;display:flex;flex-direction:column;gap:12px;min-height:196px;transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,90,54,.28)}
.news-badge{align-self:flex-start;display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:var(--r-pill);font-size:12px;font-weight:700;background:var(--bg-soft);color:var(--brand-deep)}
.news-title{font-size:16.5px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a:hover{color:var(--brand)}
.news-sum{font-size:13.5px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:47px}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:12px;font-size:12.5px;color:var(--ink-3)}
.news-meta a{color:var(--brand);font-weight:700}
.news-meta a:hover{color:var(--violet)}
.news-empty{grid-column:1/-1;text-align:center;background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);padding:52px 24px;display:flex;flex-direction:column;align-items:center;gap:14px}
.news-empty p{font-size:14.5px;color:var(--ink-2)}
/* 评价轮播 */
.reviews-track{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 18px;scrollbar-width:none;scroll-behavior:smooth}
.reviews-track::-webkit-scrollbar{display:none}
.review-card{flex:0 0 calc((100% - 48px)/3);scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:24px;display:flex;flex-direction:column;gap:14px}
.review-head{display:flex;align-items:center;gap:12px}
.avatar{width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;flex:0 0 auto}
.review-name{font-size:15px;font-weight:700}
.review-role{font-size:12.5px;color:var(--ink-3)}
.stars{display:flex;gap:3px;color:#F5A524;font-size:12.5px}
.review-text{font-size:14px;line-height:1.85;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.reviews-nav{display:flex;align-items:center;justify-content:center;gap:18px;margin-top:12px}
.circle-btn{width:44px;height:44px;border-radius:50%;border:1px solid rgba(23,22,28,.12);background:rgba(255,255,255,.8);backdrop-filter:blur(8px);color:var(--ink);display:grid;place-items:center;cursor:pointer;transition:all .24s ease}
.circle-btn:hover{border-color:rgba(255,90,54,.5);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-1)}
.reviews-dots{display:flex;align-items:center;gap:8px}
.dot-bar{width:22px;height:4px;border-radius:99px;background:rgba(23,22,28,.14);border:0;padding:0;cursor:pointer;transition:all .24s ease}
.dot-bar.active{width:38px;background:var(--grad)}
/* 保障条 */
.guarantee-bar{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-1);display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden}
.g-item{display:flex;gap:14px;align-items:flex-start;padding:26px 24px;position:relative}
.g-item:not(:last-child)::after{content:"";position:absolute;right:0;top:26px;bottom:26px;width:1px;background:var(--line)}
.g-icon{width:40px;height:40px;border-radius:12px;background:rgba(23,195,162,.12);color:#0E7C68;display:grid;place-items:center;flex:0 0 auto}
.g-item h4{font-size:15px;font-weight:700}
.g-item p{font-size:13px;color:var(--ink-3);line-height:1.7;margin-top:4px}
/* CTA */
.cta-panel{position:relative;border-radius:var(--r-xl);overflow:hidden;background:linear-gradient(120deg,#FF5A36 0%,#5A3FE8 100%);padding:52px;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;box-shadow:0 24px 60px rgba(90,63,232,.22)}
.cta-panel::after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.14)}
.cta-text{position:relative;z-index:2;color:#fff;max-width:560px}
.cta-text h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;color:#fff}
.cta-text p{margin-top:12px;font-size:14.5px;color:rgba(255,255,255,.86);line-height:1.85}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}
/* FAQ */
.faq-wrap{max-width:920px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line)!important;border-radius:var(--r-md)!important;box-shadow:var(--sh-1);overflow:hidden}
.faq-item .accordion-button{font-size:16px;font-weight:600;color:var(--ink);background:#fff;padding:20px 22px;box-shadow:none!important;border-radius:var(--r-md)!important;position:relative}
.faq-item .accordion-button::after{background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;color:var(--ink-3);width:auto;height:auto;transition:transform .24s ease,color .24s ease}
.faq-item .accordion-button:not(.collapsed){color:var(--brand);background:#fff}
.faq-item .accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--brand)}
.faq-item .accordion-button:not(.collapsed)::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:0 4px 4px 0;background:var(--grad)}
.faq-item .accordion-button:focus{box-shadow:0 0 0 3px rgba(90,63,232,.12)!important}
.faq-item .accordion-body{padding:0 22px 22px;font-size:15px;line-height:1.9;color:var(--ink-2)}
/* 页脚 */
.site-footer{background:var(--dark);color:#B9B7C2;padding:72px 0 0;position:relative}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text em{color:#8E8C99}
.footer-desc{margin-top:18px;font-size:13.5px;line-height:1.9;color:#9A98A6;max-width:320px}
.footer-qr{margin-top:22px;display:flex;align-items:center;gap:14px}
.qr{width:88px;height:88px;border-radius:12px;background:#fff;padding:9px;flex:0 0 auto}
.qr i{display:block;width:100%;height:100%;border-radius:4px;background-image:repeating-conic-gradient(#17161C 0 25%,transparent 0 50%);background-size:10px 10px}
.qr-text{font-size:12.5px;color:#9A98A6;line-height:1.7}
.footer-col h4{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.04em}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:#B9B7C2;display:inline-block;transition:color .22s ease,transform .22s ease}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{margin-top:56px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#8E8C99}
/* offcanvas */
.offcanvas{border:0;border-radius:0 24px 24px 0;background:#fff;width:min(320px,86vw)}
.offcanvas-header{padding:20px 22px;border-bottom:1px solid var(--line)}
.offcanvas-body{padding:22px}
.m-nav{display:flex;flex-direction:column;gap:20px}
.m-nav a{font-size:18px;font-weight:700;color:var(--ink)}
.m-nav a.active{color:var(--brand)}
.offcanvas-foot{margin-top:28px;display:flex;flex-direction:column;gap:12px}
/* 响应式 */
@media (max-width:1199px){
  .picks-grid{grid-template-columns:repeat(3,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .review-card{flex:0 0 calc((100% - 24px)/2)}
  .hero-row{gap:36px}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .nav-links{display:none}
  .burger{display:grid}
  .nav-actions .btn-grad{display:none}
  .nav-search{display:none}
  .hero{min-height:auto;padding:118px 0 72px}
  .hero-row{grid-template-columns:1fr;gap:40px}
  .hero-sub{max-width:none}
  .hero-card{transform:none}
  .picks-grid{grid-template-columns:repeat(2,1fr)}
  .pick-card.featured{grid-column:span 2}
  .serve-grid{grid-template-columns:1fr}
  .guarantee-bar{grid-template-columns:repeat(2,1fr)}
  .g-item:nth-child(2)::after{display:none}
  .g-item:nth-child(1),.g-item:nth-child(2){border-bottom:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-panel{padding:40px 32px}
}
@media (max-width:767px){
  .section{padding:52px 0}
  .sec-head{margin-bottom:26px}
  .news-grid{grid-template-columns:1fr}
  .review-card{flex:0 0 88%}
  .picks-grid{grid-template-columns:1fr;gap:20px}
  .pick-card.featured{grid-column:span 1}
  .pick-card.featured .pick-cover{aspect-ratio:16/10}
  .hero h1{font-size:clamp(26px,7.4vw,34px)}
  .hero-cta{gap:12px}
  .hero-cta .btn-ghost,.hero-cta .btn-grad{width:100%}
  .hero-badges{gap:10px}
  .serve-main{min-height:auto;padding:24px 20px}
  .serve-row{flex-wrap:wrap;gap:8px}
  .serve-name{white-space:normal}
  .cta-panel{padding:32px 22px;border-radius:var(--r-lg)}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left}
  .brand-text em{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --bs-primary-rgb:255,90,54;
  --bs-link-color:#FF5A36;
  --bs-link-hover-color:#5A3FE8;
  --bs-body-font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-border-radius:16px;
  --bs-body-bg:#FBF9F7;
  --bs-body-color:#17161C;

  --ink:#17161C;
  --ink-2:#5C5A66;
  --ink-3:#8E8C99;
  --brand:#FF5A36;
  --brand-2:#5A3FE8;
  --mint:#17C3A2;
  --bg:#FBF9F7;
  --card:#FFFFFF;
  --soft:#FFF1EC;
  --line:#E7E4E0;
  --dark:#17161C;
  --grad:linear-gradient(120deg,#FF5A36 0%,#5A3FE8 100%);
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:14px;
  --r-block:28px;
  --sh-1:0 6px 20px rgba(23,22,28,.06);
  --sh-2:0 16px 40px rgba(23,22,28,.12);
  --sh-3:0 24px 60px rgba(90,63,232,.14);
  --nav-h:76px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:var(--nav-h);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .24s ease,background-color .24s ease,border-color .24s ease;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(90,63,232,.28);border-radius:12px;}

.shell{width:100%;max-width:1320px;margin:0 auto;padding:0 28px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  height:var(--nav-h);
  background:rgba(255,255,255,.42);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.55);
  box-shadow:0 8px 24px rgba(23,22,28,.06);
  transition:height .24s ease,background .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.is-stuck{
  height:64px;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom-color:rgba(23,22,28,.06);
  box-shadow:0 10px 30px rgba(23,22,28,.10);
}
.header-inner{display:flex;align-items:center;gap:26px;height:100%;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  display:grid;place-items:center;
  font-size:19px;font-weight:800;
  box-shadow:0 8px 18px rgba(255,90,54,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.18;font-size:17px;font-weight:800;color:var(--ink);}
.brand-text em{font-style:normal;font-size:11px;font-weight:500;letter-spacing:.04em;color:var(--ink-3);margin-top:2px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  position:relative;
  padding:10px 14px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  transition:color .24s ease,background-color .24s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(255,90,54,.08);}
.nav-link.active{color:var(--ink);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--grad);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.burger{
  display:none;
  width:44px;height:44px;
  border-radius:14px;
  background:rgba(255,255,255,.66);
  border:1px solid rgba(23,22,28,.08);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
  transition:background .24s ease;
}
.burger:hover{background:#fff;}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  border-radius:999px;
  font-size:15px;font-weight:700;
  border:1px solid transparent;
  white-space:nowrap;
  transition:transform .24s ease,box-shadow .24s ease,background .24s ease,color .24s ease,border-color .24s ease,filter .24s ease;
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(90,63,232,.28);}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,90,54,.28);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(90,63,232,.30);filter:brightness(1.06);}
.btn-primary:active{color:#fff;transform:translateY(0);box-shadow:0 6px 16px rgba(255,90,54,.24);}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(255,90,54,.4);}
.btn-ghost:hover{background:var(--soft);border-color:var(--brand);color:var(--brand);}
.btn-ghost-light{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.34);}
.btn-ghost-light:hover{background:rgba(255,255,255,.20);color:#fff;border-color:rgba(255,255,255,.6);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 移动端抽屉 ---------- */
.site-drawer{
  width:min(330px,86vw);
  border:0;
  border-radius:0 24px 24px 0;
  background:#fff;
}
.site-drawer .offcanvas-header{padding:22px 22px 10px;align-items:center;}
.site-drawer .offcanvas-body{padding:10px 22px 28px;display:flex;flex-direction:column;gap:6px;}
.drawer-link{
  padding:14px 2px;
  font-size:18px;font-weight:700;
  border-bottom:1px solid var(--line);
  color:var(--ink);
  transition:color .24s ease,padding-left .24s ease;
}
.drawer-link:hover{color:var(--brand);padding-left:6px;}
.drawer-note{font-size:13px;color:var(--ink-3);line-height:1.8;margin:14px 0 4px;}

/* ---------- 阅读进度 ---------- */
.read-progress{
  position:fixed;top:0;left:0;z-index:1040;
  height:3px;width:0;
  background:var(--grad);
  border-radius:0 3px 3px 0;
  transition:width .1s linear;
}

/* ---------- 文章顶部 ---------- */
.article-top{padding:40px 0 0;}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);
}
.crumbs a{color:var(--ink-3);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:#C6C3CE;}
.crumb-cat{color:var(--ink-2);}
.crumb-current{
  color:var(--ink-2);
  max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-head{max-width:900px;padding:26px 0 0;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  color:var(--brand-2);
  background:rgba(90,63,232,.10);
  border:1px solid rgba(90,63,232,.18);
}
.article-title{
  font-size:clamp(24px,3vw,36px);
  font-weight:800;
  line-height:1.35;
  margin:16px 0 18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--ink-3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.article-cover{
  margin:32px 0 0;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  aspect-ratio:16/7;
  background:#F3EFEC;
}
.article-cover img{width:100%;height:100%;object-fit:cover;}

/* ---------- 正文阅读区 ---------- */
.article-main{padding:48px 0 8px;}
.reader{max-width:820px;margin:0 auto;}
.article-body{font-size:17px;line-height:1.95;color:#26252E;}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.3em;overflow-wrap:break-word;}
.article-body h2{
  position:relative;
  font-size:24px;font-weight:700;line-height:1.5;
  margin:2.2em 0 .9em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--grad);
}
.article-body h3{font-size:19px;font-weight:600;margin:1.8em 0 .7em;color:var(--ink);}
.article-body h4{font-size:17px;font-weight:600;margin:1.5em 0 .6em;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.4em;}
.article-body li{margin:.4em 0;}
.article-body ul li::marker{color:var(--brand);}
.article-body ol li::marker{color:var(--brand);font-weight:700;}
.article-body blockquote{
  margin:1.8em 0;padding:18px 22px;
  border-left:4px solid var(--brand);
  background:var(--soft);
  border-radius:14px;
  color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  max-width:100%;height:auto;
  border-radius:16px;
  margin:1.6em auto;
  box-shadow:var(--sh-1);
}
.article-body figure{margin:1.8em 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-3);margin-top:10px;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand-2);}
.article-body table{
  width:100%;border-collapse:collapse;
  margin:1.6em 0;font-size:15px;
  border-radius:14px;overflow:hidden;box-shadow:var(--sh-1);
}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;}
.article-body th{background:var(--soft);font-weight:700;color:var(--ink);}
.article-body tbody tr:nth-child(even){background:#FCFAF8;}
.article-body pre{
  background:var(--dark);color:#F4F2FF;
  padding:18px 20px;border-radius:14px;
  overflow-x:auto;font-size:14px;line-height:1.7;
  margin:1.6em 0;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.94em;background:var(--soft);color:#C13B1F;
  padding:2px 6px;border-radius:6px;word-break:break-word;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}
.article-body iframe,.article-body video{max-width:100%;border-radius:16px;border:0;}

.reader-foot{
  display:flex;flex-wrap:wrap;gap:14px;
  margin-top:46px;padding-top:28px;
  border-top:1px solid var(--line);
}

.empty-state{
  max-width:820px;margin:0 auto;
  padding:56px 28px;
  text-align:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
}
.empty-state p{font-size:17px;color:var(--ink-2);margin-bottom:22px;}

/* ---------- 区块标题 ---------- */
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;color:var(--ink);}
.section-head p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--ink-2);max-width:660px;}
.section-head.center{flex-direction:column;align-items:center;text-align:center;}
.section-head.center p{margin-left:auto;margin-right:auto;}

/* ---------- 继续了解 ---------- */
.related{padding:72px 0 88px;}
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;margin-top:34px;}
.rel-card{
  display:flex;align-items:center;gap:22px;
  padding:20px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,90,54,.28);}
.rel-thumb{
  flex:0 0 150px;width:150px;aspect-ratio:4/3;
  border-radius:var(--r-md);overflow:hidden;background:#F3EFEC;
}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .26s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{display:flex;flex-direction:column;gap:8px;min-width:0;}
.rel-tag{
  align-self:flex-start;
  font-style:normal;font-size:12px;font-weight:600;
  color:var(--brand);background:var(--soft);
  border-radius:999px;padding:4px 12px;
}
.rel-body strong{font-size:17px;font-weight:700;line-height:1.55;color:var(--ink);}
.rel-arrow{font-size:13px;font-weight:600;color:var(--brand-2);}
.rel-card:hover .rel-arrow{color:var(--brand);}

/* ---------- FAQ ---------- */
.faq{padding:88px 0;background:var(--soft);}
.faq-shell{max-width:900px;}
.faq .section-head{margin-bottom:36px;}
.accordion-item{
  background:#fff;
  border:0;border-radius:var(--r-md) !important;
  overflow:hidden;
  box-shadow:var(--sh-1);
  margin-bottom:14px;
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{
  position:relative;
  display:flex;align-items:center;
  width:100%;
  padding:20px 24px;
  font-size:16px;font-weight:600;line-height:1.6;
  color:var(--ink);
  background:#fff;
  border-radius:var(--r-md) !important;
  box-shadow:none !important;
  transition:color .24s ease,background-color .24s ease;
}
.accordion-button:not(.collapsed){color:var(--brand);background:#fff;}
.accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;background:var(--grad);
}
.accordion-button::after{
  content:"";
  background-image:none;
  width:10px;height:10px;
  margin-left:auto;margin-right:4px;
  border-right:2px solid var(--ink-3);
  border-bottom:2px solid var(--ink-3);
  transform:rotate(45deg);
  transition:transform .24s ease,border-color .24s ease;
}
.accordion-button:not(.collapsed)::after{border-color:var(--brand);transform:rotate(-135deg);}
.accordion-button:focus{outline:none;box-shadow:0 0 0 3px rgba(90,63,232,.16) !important;}
.accordion-body{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--ink-2);}

/* ---------- 底部 CTA ---------- */
.cta-band{padding:88px 0;}
.cta-box{
  position:relative;overflow:hidden;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:30px;
  padding:52px 48px;
  border-radius:var(--r-block);
  background:var(--dark);
  color:#fff;
}
.cta-box::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(620px 320px at 10% 0%,rgba(255,90,54,.46),transparent 66%),
    radial-gradient(560px 320px at 94% 100%,rgba(90,63,232,.52),transparent 66%);
}
.cta-copy{position:relative;z-index:1;max-width:600px;}
.cta-copy h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.4;}
.cta-copy p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.76);}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--dark);
  color:#B9B7C2;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1fr;
  gap:48px;
  padding:64px 0 44px;
}
.site-footer .brand-text{color:#fff;}
.site-footer .brand-text em{color:#8E8C99;}
.site-footer .brand-mark{box-shadow:none;}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.85;color:#B9B7C2;max-width:360px;}
.footer-qr{display:flex;align-items:center;gap:14px;margin-top:22px;}
.qr{
  width:74px;height:74px;border-radius:12px;background:#fff;
  display:grid;place-items:center;flex:0 0 74px;
}
.qr i{
  display:block;width:44px;height:44px;border-radius:6px;
  background:
    linear-gradient(#17161C,#17161C) 0 0/14px 14px no-repeat,
    linear-gradient(#17161C,#17161C) 30px 0/14px 14px no-repeat,
    linear-gradient(#17161C,#17161C) 0 30px/14px 14px no-repeat,
    linear-gradient(#FF5A36,#FF5A36) 18px 18px/8px 8px no-repeat,
    linear-gradient(#5A3FE8,#5A3FE8) 30px 30px/14px 14px no-repeat;
}
.qr-text{font-size:13px;line-height:1.7;color:#B9B7C2;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:#B9B7C2;display:inline-block;transition:color .24s ease,transform .24s ease;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  padding:22px 0 28px;
  border-top:1px solid rgba(255,255,255,.10);
  font-size:13px;color:#8E8C99;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:36px;}
}
@media (max-width:991px){
  :root{--nav-h:64px;}
  .nav-links{display:none;}
  .burger{display:flex;}
  .header-cta{display:none;}
  .brand-text{font-size:16px;}
  .article-title{font-size:clamp(23px,4.4vw,30px);}
  .article-cover{aspect-ratio:16/9;}
  .related{padding:56px 0 64px;}
  .related-grid{grid-template-columns:1fr;gap:20px;}
  .faq{padding:64px 0;}
  .cta-band{padding:64px 0;}
  .cta-box{padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;padding:52px 0 36px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:767px){
  .shell{padding:0 20px;}
  .article-top{padding:26px 0 0;}
  .article-head{padding:20px 0 0;}
  .article-title{font-size:clamp(22px,6.2vw,28px);margin:14px 0 14px;}
  .crumb-current{max-width:220px;}
  .article-cover{margin-top:22px;border-radius:var(--r-md);aspect-ratio:16/10;}
  .article-main{padding:32px 0 8px;}
  .article-body{font-size:16px;line-height:1.9;}
  .article-body h2{font-size:20px;}
  .article-body h3{font-size:17px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .reader-foot{margin-top:34px;padding-top:22px;}
  .reader-foot .btn{width:100%;}
  .rel-card{flex-direction:column;align-items:stretch;gap:16px;}
  .rel-thumb{flex:none;width:100%;aspect-ratio:16/9;}
  .cta-box{padding:32px 22px;border-radius:var(--r-lg);}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .accordion-button{padding:17px 18px;font-size:15px;}
  .accordion-body{padding:0 18px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --brand:#FF5A36;
  --brand-2:#5A3FE8;
  --mint:#17C3A2;
  --dang:#E5484D;
  --ink:#17161C;
  --ink-2:#5C5A66;
  --ink-3:#8E8C99;
  --bg:#FBF9F7;
  --card:#FFFFFF;
  --soft:#FFF1EC;
  --soft-2:#F3F1FF;
  --line:#E7E4E0;
  --line-2:rgba(23,22,28,.08);
  --grad:linear-gradient(120deg,#FF5A36 0%,#5A3FE8 100%);
  --grad-soft:linear-gradient(120deg,rgba(255,90,54,.14),rgba(90,63,232,.14));
  --r-xl:28px;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(23,22,28,.06);
  --sh-2:0 16px 40px rgba(23,22,28,.12);
  --sh-3:0 24px 60px rgba(90,63,232,.14);
  --ease:cubic-bezier(.4,0,.2,1);

  --bs-primary-rgb:255,90,54;
  --bs-link-color:#FF5A36;
  --bs-link-hover-color:#5A3FE8;
  --bs-body-font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-body-color:#17161C;
  --bs-body-bg:#FBF9F7;
  --bs-border-radius:14px;
  --bs-border-radius-lg:24px;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .24s var(--ease)}
a:hover{color:var(--brand-2)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(90,63,232,.28);outline-offset:2px}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}

.shell{width:100%;max-width:1300px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-soft{background:var(--soft)}
.section-white{background:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand-2);font-weight:600;letter-spacing:.06em;margin-bottom:10px}
.sec-kicker::before{content:"";width:20px;height:2px;background:var(--grad);border-radius:2px}
.sec-title{font-size:clamp(22px,2.4vw,31px);font-weight:800}
.sec-sub{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:640px}
.sec-more{font-size:14px;font-weight:600;white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.sec-more i{transition:transform .24s var(--ease)}
.sec-more:hover i{transform:translateX(3px)}

/* ---------- header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:1040;
  height:76px;
  background:rgba(255,255,255,.42);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.55);
  box-shadow:0 8px 24px rgba(23,22,28,.06);
  transition:height .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-stuck{
  height:64px;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom-color:rgba(23,22,28,.06);
  box-shadow:0 10px 30px rgba(23,22,28,.10);
}
.header-inner{display:flex;align-items:center;gap:28px;height:100%}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink);flex-shrink:0}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:42px;height:42px;flex-shrink:0;border-radius:14px;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;
  font-weight:800;font-size:20px;
  box-shadow:0 8px 20px rgba(255,90,54,.28);
  font-variant-numeric:tabular-nums;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;font-weight:800;font-size:18px}
.brand-text em{font-style:normal;font-weight:500;font-size:11px;color:var(--ink-3);letter-spacing:.08em;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:color .24s var(--ease),background .24s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .26s var(--ease);
}
.nav-link:hover{color:var(--ink);background:rgba(255,255,255,.55)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--ink)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:42px;padding:0 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.62);border:1px solid rgba(23,22,28,.08);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(90,63,232,.14);background:#fff}
.nav-search i{color:var(--ink-3);font-size:14px}
.nav-search input{border:0;background:transparent;outline:none;width:172px;font-size:14px}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  border:1px solid rgba(23,22,28,.10);background:rgba(255,255,255,.7);
  color:var(--ink);font-size:17px;cursor:pointer;
}

/* offcanvas */
.offcanvas.mobile-panel{width:320px;border:0;border-radius:0 var(--r-lg) var(--r-lg) 0;background:#fff}
.mobile-panel .offcanvas-header{padding:20px 22px;border-bottom:1px solid var(--line)}
.mobile-panel .offcanvas-body{padding:22px;display:flex;flex-direction:column;gap:10px}
.mobile-panel .m-link{
  font-size:18px;font-weight:700;color:var(--ink);
  padding:12px 4px;border-bottom:1px dashed var(--line);
}
.mobile-panel .m-link.active{color:var(--brand)}
.mobile-panel .m-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:18px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  border:1px solid transparent;font-weight:600;font-size:15px;
  cursor:pointer;white-space:nowrap;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),filter .24s var(--ease);
}
.btn:disabled,.btn.disabled{opacity:.45;pointer-events:none;transform:none}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,90,54,.26)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(90,63,232,.30);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,90,54,.24);filter:none}
.btn-ghost{background:rgba(255,255,255,.72);border-color:rgba(255,90,54,.4);color:var(--brand)}
.btn-ghost:hover{background:var(--soft);border-color:var(--brand);color:var(--brand-2)}
.btn-darkline{background:#fff;border-color:rgba(23,22,28,.16);color:var(--ink)}
.btn-darkline:hover{border-color:var(--ink);background:#fff;color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- badges ---------- */
.chip{
  display:inline-flex;align-items:center;gap:7px;
  height:28px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;font-variant-numeric:tabular-nums;
}
.chip i{font-size:13px}
.chip-grad{background:#fff;border:1px solid transparent;background-image:linear-gradient(#fff,#fff),var(--grad);background-origin:border-box;background-clip:padding-box,border-box;color:var(--brand-2)}
.chip-soft{background:var(--soft);color:var(--brand)}
.chip-mint{background:#E6FAF5;color:#0F9C82}
.chip-warn{background:#FFF4E3;color:#B4740A}

/* ---------- banner ---------- */
.page-banner{
  position:relative;
  min-height:380px;
  padding:150px 0 66px;
  background-image:linear-gradient(120deg,rgba(23,22,28,.90) 0%,rgba(90,63,232,.74) 58%,rgba(255,90,54,.52) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  display:flex;align-items:flex-end;
  overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:120px;
  background:linear-gradient(180deg,rgba(251,249,247,0) 0%,rgba(251,249,247,.92) 100%);
  pointer-events:none;
}
.banner-inner{position:relative;z-index:2;display:flex;align-items:flex-end;justify-content:space-between;gap:40px}
.banner-main{max-width:720px}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.34);
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
}
.page-banner h1{
  margin:20px 0 16px;
  font-size:clamp(28px,4vw,50px);
  font-weight:800;
  line-height:1.25;
  text-shadow:0 2px 18px rgba(0,0,0,.28);
}
.banner-sub{font-size:16px;line-height:1.8;color:rgba(255,255,255,.86);max-width:620px}
.banner-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.page-banner .btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);color:#fff;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.page-banner .btn-ghost:hover{background:rgba(255,255,255,.26);color:#fff;border-color:#fff}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.72);white-space:nowrap;padding-bottom:6px;
}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:#fff}
.crumb em{font-style:normal;color:rgba(255,255,255,.6)}

/* ---------- rank list ---------- */
.rank-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--sh-1);overflow:hidden}
.rank-card-head{padding:26px 28px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.rank-card-head h2{font-size:20px;font-weight:800}
.rank-card-head p{font-size:13px;color:var(--ink-3);margin-top:6px}
.rank-list{padding:8px 0}
.rank-row{
  display:grid;grid-template-columns:64px 76px 1fr auto;align-items:center;gap:18px;
  padding:18px 28px;
  border-bottom:1px solid var(--line-2);
  transition:background .24s var(--ease),transform .24s var(--ease);
}
.rank-row:last-child{border-bottom:0}
.rank-row:hover{background:linear-gradient(90deg,rgba(255,90,54,.05),rgba(90,63,232,.04))}
.rank-no{
  font-size:30px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  letter-spacing:-.02em;
}
.rank-thumb{width:76px;height:56px;border-radius:var(--r-sm);object-fit:cover;border:1px solid var(--line)}
.rank-body h3{font-size:16.5px;font-weight:700;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.rank-body p{margin-top:6px;font-size:13.5px;color:var(--ink-2);line-height:1.7}
.rank-side{display:flex;align-items:center;gap:14px}

/* ---------- sidebar ---------- */
.side-stack{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1)}
.side-card h3{font-size:17px;font-weight:700;margin-bottom:6px}
.side-card .side-note{font-size:13px;color:var(--ink-3);line-height:1.7}
.stat-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.stat-box{
  flex:1 1 84px;min-width:84px;
  background:var(--soft);border-radius:var(--r-md);padding:12px 10px;text-align:center;
}
.stat-box b{display:block;font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--brand-2);line-height:1.2}
.stat-box span{font-size:12px;color:var(--ink-3)}
.side-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.side-list li{display:flex;gap:10px;font-size:13.5px;color:var(--ink-2);line-height:1.65}
.side-list i{color:var(--mint);margin-top:4px;font-size:13px}
.field{display:block;margin-top:14px}
.field span{display:block;font-size:13px;color:var(--ink-3);margin-bottom:7px}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;outline:none;font-size:14.5px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.field input:focus,.field select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(90,63,232,.14)}
.field.error input{border-color:var(--dang);box-shadow:0 0 0 3px rgba(229,72,77,.14)}
.form-tip{margin-top:12px;font-size:13px;line-height:1.7;border-radius:var(--r-sm);padding:0;color:var(--ink-3)}
.form-tip.ok{background:#E6FAF5;color:#0F9C82;padding:10px 12px}
.form-tip.err{background:#FDECEC;color:var(--dang);padding:10px 12px}
.side-cta{
  border-radius:var(--r-lg);padding:26px 24px;color:#fff;
  background-image:linear-gradient(120deg,rgba(23,22,28,.82),rgba(23,22,28,.72)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:var(--sh-3);
}
.side-cta h3{font-size:18px;font-weight:800}
.side-cta p{font-size:13.5px;color:rgba(255,255,255,.78);margin-top:10px;line-height:1.75}
.side-cta .btn{margin-top:18px;width:100%}

/* ---------- flow ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.flow-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 22px;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,90,54,.32)}
.flow-num{
  width:40px;height:40px;border-radius:14px;display:grid;place-items:center;
  background:var(--soft-2);color:var(--brand-2);font-weight:800;font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.flow-card h3{font-size:16.5px;font-weight:700;margin-bottom:10px}
.flow-card p{font-size:14px;color:var(--ink-2);line-height:1.8}

/* ---------- article-ish ---------- */
.story-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.story-copy h2{font-size:clamp(21px,2.2vw,28px);font-weight:800;margin-bottom:18px}
.story-copy p{font-size:15.5px;color:var(--ink-2);line-height:1.95;margin-bottom:14px}
.story-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.story-figure{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.story-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.story-figure figcaption{font-size:12.5px;color:var(--ink-3);padding:12px 16px;background:#fff;border-top:1px solid var(--line)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:960px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:box-shadow .26s var(--ease),border-color .26s var(--ease)}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
}
.faq-q i{color:var(--ink-3);transition:transform .26s var(--ease),color .26s var(--ease);font-size:14px}
.faq-item.open{border-color:rgba(255,90,54,.35);box-shadow:var(--sh-1)}
.faq-item.open .faq-q{color:var(--brand)}
.faq-item.open .faq-q i{transform:rotate(180deg);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 22px 22px;font-size:15px;color:var(--ink-2);line-height:1.85;border-left:4px solid transparent}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:var(--r-xl);padding:48px 46px;color:#fff;
  background:var(--grad);
  box-shadow:0 24px 60px rgba(90,63,232,.22);
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(21px,2.4vw,30px);font-weight:800}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.86);max-width:560px}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn-ghost{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.6);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.28);color:#fff}
.cta-band .btn-light-solid{background:#fff;color:var(--brand-2)}
.cta-band .btn-light-solid:hover{color:var(--brand);transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.18)}

/* ---------- footer ---------- */
.site-footer{
  background:#17161C;color:#B9B7C2;padding:72px 0 30px;margin-top:0;
  border-top:1px solid transparent;
  background-image:linear-gradient(#17161C,#17161C),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text em{color:#8E8C99}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.85;color:#9C9AA8;max-width:360px}
.footer-qr{display:flex;align-items:center;gap:14px;margin-top:22px}
.qr{width:78px;height:78px;border-radius:12px;background:#fff;display:grid;place-items:center;flex-shrink:0}
.qr i{width:48px;height:48px;display:block;border-radius:6px;background:
  repeating-linear-gradient(90deg,#17161C 0 5px,#fff 5px 10px),
  repeating-linear-gradient(0deg,#17161C 0 5px,#fff 5px 10px);
  background-blend-mode:multiply;opacity:.85}
.qr-text{font-size:12.5px;line-height:1.7;color:#9C9AA8}
.footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:#B9B7C2;display:inline-block;transition:color .22s var(--ease),transform .22s var(--ease)}
.footer-col a:hover{color:#fff;transform:translateX(-2px)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:#8E8C99;
}

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

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .shell{max-width:1100px}
  .nav-search input{width:132px}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .nav-links,.nav-search,.header-cta{display:none}
  .nav-toggle{display:grid;place-items:center}
  .section{padding:64px 0}
  .page-banner{min-height:340px;padding:132px 0 52px}
  .banner-inner{flex-direction:column;align-items:flex-start;gap:22px}
  .crumb{order:2}
  .story-wrap{grid-template-columns:1fr;gap:28px}
  .side-stack{position:static;top:auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:38px 30px}
}
@media (max-width:767.98px){
  body{font-size:15.5px}
  .shell{padding:0 20px}
  .section{padding:48px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .page-banner{padding:118px 0 42px;min-height:0}
  .page-banner h1{font-size:clamp(24px,6.6vw,32px)}
  .banner-sub{font-size:14.5px}
  .rank-row{grid-template-columns:48px 1fr;gap:14px;padding:16px 18px}
  .rank-thumb{display:none}
  .rank-no{font-size:24px;align-self:start;margin-top:4px}
  .rank-side{grid-column:1/-1;justify-content:flex-start;margin-top:4px}
  .rank-card-head{padding:20px 18px 16px}
  .flow-grid{grid-template-columns:1fr;gap:16px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:10px}
  .cta-band{padding:30px 22px;gap:22px}
  .cta-band .cta-actions{width:100%;flex-direction:column}
  .cta-band .btn{width:100%}
}
@media (max-width:519.98px){
  .banner-actions{flex-direction:column;width:100%;gap:12px}
  .banner-actions .btn{width:100%}
  .brand-text{font-size:16px}
  .brand-mark{width:38px;height:38px;font-size:18px;border-radius:12px}
  .brand-text em{display:none}
  .stat-box b{font-size:18px}
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a p{padding:0 18px 18px}
}

/* roulang page: category2 */
:root{
  --brand:#FF5A36;
  --brand-2:#5A3FE8;
  --mint:#17C3A2;
  --ink:#17161C;
  --ink-2:#5C5A66;
  --ink-3:#8E8C99;
  --bg:#FBF9F7;
  --card:#FFFFFF;
  --tint:#FFF1EC;
  --line:#E7E4E0;
  --dark:#17161C;
  --grad:linear-gradient(120deg,#FF5A36 0%,#5A3FE8 100%);
  --grad-soft:linear-gradient(120deg,rgba(255,90,54,.14) 0%,rgba(90,63,232,.16) 100%);
  --r-box:28px;
  --r-lg:24px;
  --r-md:16px;
  --r-img:14px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(23,22,28,.06);
  --sh-2:0 16px 40px rgba(23,22,28,.12);
  --sh-3:0 24px 60px rgba(90,63,232,.14);
  --ease:240ms ease;
  --bs-body-font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-body-bg:#FBF9F7;
  --bs-body-color:#17161C;
  --bs-primary-rgb:255,90,54;
  --bs-link-color:#FF5A36;
  --bs-link-hover-color:#5A3FE8;
  --bs-border-radius:16px;
  --bs-border-radius-lg:24px;
  --bs-border-radius-sm:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16.5px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),transform var(--ease)}
a:hover{color:var(--brand-2)}
h1,h2,h3,h4{letter-spacing:.01em;color:var(--ink);margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(90,63,232,.28);outline-offset:2px}
.tnum{font-variant-numeric:tabular-nums}

.shell{width:100%;max-width:1300px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-tint{background:var(--tint)}
.section-dark{background:var(--dark);color:#fff}

/* ============ 头部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(255,255,255,.42);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.55);
  box-shadow:0 8px 24px rgba(23,22,28,.06);
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-stuck{
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom-color:rgba(23,22,28,.06);
  box-shadow:0 10px 30px rgba(23,22,28,.10);
}
.nav-shell{display:flex;align-items:center;gap:26px;height:76px;transition:height var(--ease)}
.site-header.is-stuck .nav-shell{height:64px}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:13px;
  background:var(--grad);color:#fff;font-weight:800;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(255,90,54,.28);
  font-variant-numeric:tabular-nums;
}
.brand-text{display:flex;flex-direction:column;line-height:1.18;color:var(--ink);font-weight:800;font-size:18px}
.brand-text em{font-style:normal;font-size:11px;font-weight:500;color:var(--ink-3);letter-spacing:.04em}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;display:inline-block;padding:9px 15px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--ink-2);transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--ink);background:rgba(255,255,255,.6)}
.nav-link.active{color:var(--ink)}
.nav-link.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;border-radius:2px;background:var(--grad);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  width:42px;height:42px;border-radius:var(--r-pill);border:1px solid rgba(23,22,28,.10);
  background:rgba(255,255,255,.7);color:var(--ink-2);display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(255,90,54,.4);background:#fff}
.menu-btn{display:none}
.btn-grad,.btn-ghost,.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);font-size:15px;font-weight:700;
  border:0;cursor:pointer;transition:all var(--ease);white-space:nowrap;
}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(90,63,232,.22)}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(90,63,232,.30);filter:brightness(1.06)}
.btn-grad:active{transform:translateY(0);box-shadow:0 8px 18px rgba(90,63,232,.22)}
.btn-ghost{background:rgba(255,255,255,.62);color:var(--ink);border:1px solid rgba(255,255,255,.75)}
.btn-ghost:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--brand);border:1px solid rgba(255,90,54,.4)}
.btn-outline:hover{background:var(--tint);color:var(--brand-2);border-color:var(--brand)}
.btn-grad:focus-visible,.btn-ghost:focus-visible,.btn-outline:focus-visible{outline:3px solid rgba(90,63,232,.28);outline-offset:2px}
.btn-full{width:100%}
.search-pop{
  position:absolute;top:calc(100% + 10px);right:24px;width:min(380px,calc(100vw - 32px));
  background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid rgba(23,22,28,.08);border-radius:var(--r-md);box-shadow:var(--sh-2);
  padding:16px;display:none;
}
.search-pop.open{display:block}
.search-pop label{display:block;font-size:13px;color:var(--ink-3);margin-bottom:8px}
.search-pop .row-2{display:flex;gap:10px}
.search-pop input{
  flex:1;height:48px;border-radius:var(--r-sm);border:1px solid var(--line);padding:0 14px;font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease);background:#fff;
}
.search-pop input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(90,63,232,.14)}
.search-note{margin-top:10px;font-size:13px;color:var(--ink-3);display:none}
.search-note.show{display:block;color:var(--mint);font-weight:600}

/* ============ 分类页头 Banner（居中） ============ */
.page-banner{position:relative;overflow:hidden;padding:140px 0 76px;color:#fff;text-align:center}
.banner-bg{position:absolute;inset:0;background-size:cover;background-position:center;}
.banner-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,22,28,.78) 0%,rgba(23,22,28,.80) 45%,rgba(90,63,232,.86) 100%);
}
.banner-inner{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center}
.crumbs{font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px}
.crumbs a{color:rgba(255,255,255,.82)}
.crumbs a:hover{color:#fff}
.crumbs span.sep{margin:0 8px;opacity:.6}
.banner-rule{width:72px;height:2px;border-radius:2px;background:linear-gradient(90deg,rgba(255,255,255,.15),#fff,rgba(255,255,255,.15));margin:0 auto 22px}
.banner-kicker{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.35);
  font-size:12.5px;font-weight:600;color:#fff;margin-bottom:20px;
}
.page-banner h1{
  font-size:clamp(28px,4vw,50px);font-weight:800;line-height:1.28;color:#fff;max-width:940px;
}
.page-banner h1 b{background:linear-gradient(120deg,#FFB199,#C9BCFF);-webkit-background-clip:text;background-clip:text;color:transparent}
.banner-sub{max-width:720px;margin:20px auto 0;font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.86)}
.banner-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:30px}
.badge-pill{
  display:inline-flex;align-items:center;gap:7px;height:28px;padding:0 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;font-variant-numeric:tabular-nums;
}
.badge-glass{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.42);color:#fff}
.badge-soft{background:var(--tint);border:1px solid rgba(255,90,54,.22);color:var(--brand-2)}
.badge-line{background:#fff;border:1px solid rgba(90,63,232,.4);color:var(--brand-2)}
.badge-mint{background:rgba(23,195,162,.12);border:1px solid rgba(23,195,162,.35);color:#0E8F77}

/* ============ 频道快捷条 ============ */
.quick-strip{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-box);
  padding:26px 28px;box-shadow:var(--sh-1);
  display:flex;align-items:center;gap:24px;flex-wrap:wrap;justify-content:space-between;
  margin-top:-58px;position:relative;z-index:3;
}
.quick-strip .qs-title{font-size:17px;font-weight:800;display:flex;align-items:center;gap:10px}
.quick-strip .qs-title i{width:8px;height:8px;border-radius:50%;background:var(--grad);display:inline-block}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:34px;padding:0 15px;border-radius:var(--r-pill);
  background:var(--bg);border:1px solid var(--line);font-size:13.5px;color:var(--ink-2);
  transition:all var(--ease);font-weight:600;
}
.tag:hover{color:var(--brand);border-color:rgba(255,90,54,.45);background:var(--tint);transform:translateY(-2px)}

/* ============ 区块标题 ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:46px;flex-wrap:wrap}
.sec-head .sh-left{max-width:720px}
.sec-kicker{font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--brand);text-transform:uppercase;margin-bottom:12px}
.sec-head h2{font-size:clamp(23px,2.6vw,32px);font-weight:800;line-height:1.35}
.sec-head p{margin-top:12px;color:var(--ink-2);font-size:15.5px;line-height:1.85}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14.5px;color:var(--brand)}
.text-link span{transition:transform var(--ease)}
.text-link:hover span{transform:translateX(3px)}

/* ============ 交错图文 ============ */
.alt-list{display:flex;flex-direction:column;gap:76px}
.alt-row{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.alt-row.reverse .alt-media{order:2}
.alt-media{position:relative}
.alt-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid var(--line);box-shadow:var(--sh-1);transition:transform 260ms ease,box-shadow 260ms ease;
}
.alt-media:hover img{transform:translateY(-4px);box-shadow:var(--sh-2)}
.alt-media::after{
  content:"";position:absolute;inset:auto -10px -10px auto;width:88px;height:88px;border-radius:var(--r-md);
  background:var(--grad-soft);z-index:-1;
}
.alt-index{
  display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:28px;padding:0 12px;
  border-radius:var(--r-pill);font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad);color:#fff;margin-bottom:16px;
}
.alt-body h3{font-size:clamp(19px,2vw,22px);font-weight:800;line-height:1.45;margin-bottom:16px}
.alt-body p{color:var(--ink-2);font-size:16px;line-height:1.9;margin-bottom:14px}
.alt-tags{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 26px}
.alt-tags li{
  font-size:13px;font-weight:600;color:var(--ink-2);background:var(--bg);
  border:1px solid var(--line);border-radius:var(--r-pill);padding:7px 14px;
}

/* ============ 数据墙 ============ */
.stat-wall{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.stat-panel{
  border:1.5px solid transparent;border-radius:var(--r-lg);padding:30px 28px;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:var(--sh-1);transition:transform 260ms ease,box-shadow 260ms ease;
}
.stat-panel:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.stat-num{
  display:block;font-size:clamp(30px,3.6vw,42px);font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-num em{font-style:normal;font-size:20px}
.stat-label{display:block;margin-top:10px;font-size:16px;font-weight:700}
.stat-panel p{margin-top:8px;font-size:14.5px;color:var(--ink-2);line-height:1.8}

/* ============ 保障条 ============ */
.guard-bar{
  display:grid;grid-template-columns:repeat(3,1fr);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-box);box-shadow:var(--sh-1);overflow:hidden;
}
.guard-item{display:flex;gap:16px;padding:28px 30px;border-right:1px solid var(--line)}
.guard-item:last-child{border-right:0}
.guard-icon{
  flex:0 0 44px;width:44px;height:44px;border-radius:var(--r-md);
  background:var(--tint);color:var(--brand);display:flex;align-items:center;justify-content:center;
}
.guard-icon svg{width:22px;height:22px}
.guard-item h4{font-size:15.5px;font-weight:800;margin-bottom:6px}
.guard-item p{font-size:13.5px;color:var(--ink-2);line-height:1.75}

/* ============ 流程 ============ */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;
  box-shadow:var(--sh-1);position:relative;transition:transform 260ms ease,box-shadow 260ms ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-card .step-no{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;font-weight:800;font-size:14px;font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step-card h3{font-size:17px;font-weight:800;margin-bottom:10px}
.step-card p{font-size:14.5px;color:var(--ink-2);line-height:1.8}

/* ============ FAQ ============ */
.accordion-item{
  border:1px solid var(--line)!important;border-radius:var(--r-md)!important;
  margin-bottom:14px;overflow:hidden;background:#fff;box-shadow:var(--sh-1);
}
.accordion-button{
  font-size:16px;font-weight:700;color:var(--ink);background:#fff;padding:20px 22px;
  box-shadow:none!important;border-radius:var(--r-md)!important;line-height:1.6;
}
.accordion-button:not(.collapsed){color:var(--brand);background:var(--tint);box-shadow:inset 4px 0 0 var(--brand)!important}
.accordion-button::after{
  filter:grayscale(1);opacity:.55;transition:transform var(--ease);
}
.accordion-button:not(.collapsed)::after{filter:none;opacity:1}
.accordion-body{padding:4px 22px 22px;font-size:15px;line-height:1.9;color:var(--ink-2);background:#fff}

/* ============ 通栏 CTA ============ */
.cta-band{padding:0 0 88px}
.cta-box{
  position:relative;overflow:hidden;border-radius:var(--r-box);padding:56px 52px;
  background:linear-gradient(120deg,#FF5A36 0%,#5A3FE8 100%);
  color:#fff;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
  box-shadow:var(--sh-3);
}
.cta-box::before{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.cta-box::after{
  content:"";position:absolute;left:-60px;bottom:-120px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.08);
}
.cta-text{position:relative;z-index:2;max-width:640px}
.cta-text h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.4}
.cta-text p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.9);line-height:1.85}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}
.btn-white{background:#fff;color:var(--brand-2);box-shadow:0 10px 24px rgba(23,22,28,.18)}
.btn-white:hover{background:#fff;color:var(--brand);transform:translateY(-2px)}
.btn-white-line{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.6)}
.btn-white-line:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px)}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);color:#B9B7C2;padding:72px 0 30px;position:relative;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text em{color:rgba(255,255,255,.55)}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.85;color:#B9B7C2;max-width:360px}
.footer-qr{display:flex;align-items:center;gap:14px;margin-top:22px}
.qr{
  width:78px;height:78px;border-radius:12px;background:#fff;display:inline-block;position:relative;flex:0 0 78px;
}
.qr i{
  position:absolute;inset:12px;display:block;border-radius:4px;
  background:
    linear-gradient(#17161C,#17161C) 0 0/22px 22px no-repeat,
    linear-gradient(#17161C,#17161C) 100% 0/22px 22px no-repeat,
    linear-gradient(#17161C,#17161C) 0 100%/22px 22px no-repeat,
    linear-gradient(#5A3FE8,#5A3FE8) 50% 50%/16px 16px no-repeat;
  opacity:.85;
}
.qr-text{font-size:13px;line-height:1.7;color:#B9B7C2}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col ul li{margin-bottom:12px}
.footer-col a{font-size:14px;color:#B9B7C2;display:inline-block}
.footer-col a:hover{color:#fff;transform:translateX(-2px)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 移动端侧滑面板 ============ */
.offcanvas{border-radius:0 24px 24px 0;border:0}
.offcanvas-header{padding:22px 24px 6px}
.offcanvas-body{padding:10px 24px 30px}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  font-size:18px;font-weight:800;color:var(--ink);padding:14px 0;border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--brand)}
.drawer-cta{margin-top:26px;display:flex;flex-direction:column;gap:12px}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .nav-links{gap:2px}
  .nav-link{padding:9px 12px;font-size:14.5px}
}
@media (max-width:991.98px){
  .nav-links{display:none}
  .menu-btn{display:flex}
  .nav-actions .btn-grad{display:none}
  .alt-row{grid-template-columns:1fr;gap:32px}
  .alt-row.reverse .alt-media{order:0}
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .guard-bar{grid-template-columns:1fr}
  .guard-item{border-right:0;border-bottom:1px solid var(--line)}
  .guard-item:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .page-banner{padding:124px 0 64px}
}
@media (max-width:767.98px){
  body{font-size:16px;line-height:1.85}
  .shell{padding:0 20px}
  .section{padding:52px 0}
  .page-banner{padding:110px 0 52px}
  .page-banner h1{font-size:clamp(24px,7vw,32px)}
  .banner-sub{font-size:15.5px}
  .quick-strip{padding:22px;margin-top:-42px;gap:18px}
  .sec-head{margin-bottom:30px}
  .alt-list{gap:52px}
  .stat-wall{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr}
  .cta-box{padding:36px 24px;gap:26px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn-grad,.cta-actions .btn-white,.cta-actions .btn-white-line{width:100%}
  .alt-body .btn-outline{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:10px}
  .search-pop{right:12px;left:12px;width:auto}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}