/* roulang page: index */
:root{
  --brand-1:#6C3BF4;
  --brand-2:#FF4F87;
  --brand-3:#12D9B8;
  --brand-4:#FFB53D;
  --ink-900:#17102E;
  --ink-700:#382F55;
  --ink-500:#6B6485;
  --ink-300:#A9A3BE;
  --line:#E7E3F2;
  --bg:#F6F4FC;
  --surface:#FFFFFF;
  --grad-main:linear-gradient(120deg,#6C3BF4 0%,#A63BF0 45%,#FF4F87 100%);
  --grad-soft:linear-gradient(135deg,rgba(108,59,244,.10),rgba(255,79,135,.10));
  --grad-dark:linear-gradient(140deg,#1D1240 0%,#2A1656 55%,#3A1A55 100%);
  --sh-1:0 2px 8px rgba(23,16,46,.06);
  --sh-2:0 10px 28px rgba(23,16,46,.10);
  --sh-3:0 24px 56px rgba(23,16,46,.16);
  --r-sm:10px;--r-md:16px;--r-lg:24px;--r-xl:32px;--r-pill:999px;
  --bs-primary:#6C3BF4;
  --bs-primary-rgb:108,59,244;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-body-color:#382F55;
  --bs-border-color:#E7E3F2;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--bg);
  overflow-x:hidden;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-1)}
button,input,select,textarea{font-family:inherit;font-size: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-3);outline-offset:2px;border-radius:6px}
.site-container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%}
@media (min-width:1400px){.site-container{max-width:1280px}}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section--bg{background:var(--bg)}
.section--white{background:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-title{font-size:28px;font-weight:700;color:var(--ink-900);line-height:1.35;display:flex;align-items:center;gap:14px}
.sec-title::before{content:"";width:4px;height:24px;border-radius:999px;background:var(--grad-main);flex:0 0 auto}
.sec-desc{font-size:15px;color:var(--ink-500);max-width:620px;margin-top:12px;line-height:1.8}
.sec-head .sec-left{max-width:720px}

/* 顶部提示条 */
.topbar{background:var(--grad-soft);border-bottom:1px solid var(--line)}
.topbar-inner{min-height:40px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:8px 0;font-size:13px;color:var(--ink-700)}
.topbar-text{display:flex;align-items:center;gap:8px;line-height:1.6}
.topbar-text i{color:var(--brand-1);font-size:15px}
.topbar-close{width:28px;height:28px;min-width:28px;border:1px solid var(--line);background:#fff;border-radius:50%;display:grid;place-items:center;color:var(--ink-500);cursor:pointer;transition:all .2s ease}
.topbar-close:hover{color:var(--brand-1);border-color:var(--brand-1)}

/* 品牌行 */
.brand-bar{background:#fff;border-bottom:1px solid var(--line)}
.brand-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand-logo{display:flex;align-items:center;gap:12px;min-height:44px}
.logo-mark{width:40px;height:40px;border-radius:12px;background:var(--grad-main);display:grid;place-items:center;color:#fff;font-weight:800;font-size:19px;box-shadow:0 6px 16px rgba(108,59,244,.30)}
.logo-text{display:flex;align-items:center;gap:8px;font-size:20px;line-height:1.2;color:var(--ink-900);letter-spacing:-.2px}
.logo-text .seg-a{font-weight:800}
.logo-text .seg-dot{width:6px;height:6px;border-radius:50%;background:var(--grad-main);flex:0 0 auto}
.logo-text .seg-b{font-weight:600;color:var(--ink-700)}
.brand-actions{display:flex;align-items:center;gap:20px}
.brand-link{font-size:14.5px;font-weight:600;color:var(--ink-500);padding:10px 2px;display:inline-flex;align-items:center;min-height:44px}
.brand-link:hover{color:var(--brand-1)}
.hamburger{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:14px;display:none;place-items:center;color:var(--ink-900);font-size:20px;cursor:pointer;transition:all .2s ease}
.hamburger:hover{border-color:var(--brand-1);color:var(--brand-1)}

/* 按钮 */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border:none;border-radius:var(--r-pill);
  background:var(--grad-main);color:#fff;font-size:15px;font-weight:600;letter-spacing:.2px;
  cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
  box-shadow:0 6px 18px rgba(108,59,244,.24);
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);filter:saturate(1.08) brightness(1.04)}
.btn-main:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-main i{font-size:16px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  background:transparent;border:1.5px solid var(--line);color:var(--ink-900);
  font-size:15px;font-weight:600;cursor:pointer;transition:all .22s ease;
}
.btn-ghost:hover{border-color:var(--brand-1);color:var(--brand-1);background:var(--grad-soft)}
.btn-ghost--light{border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost--light:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.12)}
.btn-white{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:var(--r-pill);background:#fff;color:var(--brand-1);font-size:15px;font-weight:700;border:none;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease}
.btn-white:hover{color:var(--brand-1);transform:translateY(-2px);box-shadow:0 12px 26px rgba(23,16,46,.22)}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand-1);padding:10px 0;min-height:44px;position:relative}
.btn-text::after{content:"";position:absolute;left:0;bottom:6px;height:1.5px;width:40%;background:var(--grad-main);transition:width .24s ease}
.btn-text:hover::after{width:100%}

/* 频道行 */
.channel-bar{position:sticky;top:0;z-index:1035;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.channel-nav{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-link{position:relative;display:inline-flex;align-items:center;height:56px;padding:0 16px;font-size:15px;font-weight:600;color:var(--ink-700);white-space:nowrap}
.channel-link::after{content:"";position:absolute;left:16px;right:16px;bottom:10px;height:3px;border-radius:999px;background:var(--grad-main);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.channel-link:hover{color:var(--brand-1)}
.channel-link:hover::after{transform:scaleX(1)}
.channel-link.active{color:var(--brand-1)}
.channel-link.active::after{transform:scaleX(1)}
.channel-tools{display:flex;align-items:center;gap:8px}
.icon-btn{width:44px;height:44px;display:grid;place-items:center;border-radius:14px;border:1px solid transparent;background:transparent;color:var(--ink-500);font-size:18px;cursor:pointer;transition:all .2s ease}
.icon-btn:hover{color:var(--brand-1);background:var(--grad-soft)}

/* Hero */
.hero{position:relative;background:var(--bg);padding:72px 0 88px;overflow:hidden}
.hero::before{content:"";position:absolute;top:-160px;right:-120px;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(108,59,244,.18) 0%,rgba(108,59,244,0) 68%);pointer-events:none}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:140px;background:linear-gradient(to bottom,rgba(246,244,252,0),var(--bg));pointer-events:none}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:var(--r-pill);background:var(--grad-soft);border:1px solid rgba(108,59,244,.18);color:var(--brand-1);font-size:13px;font-weight:600}
.hero-title{margin-top:20px;font-size:44px;line-height:1.25;letter-spacing:-.5px;font-weight:800;color:var(--ink-900)}
.hero-title .hl{background:var(--grad-main);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:var(--brand-1)}
.hero-sub{margin-top:20px;font-size:16.5px;line-height:1.85;color:var(--ink-700);max-width:600px}
.hero-cta{margin-top:32px;display:flex;gap:12px;flex-wrap:wrap}
.hero-mini{margin-top:32px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--ink-500)}
.hero-mini span.mi{display:inline-flex;align-items:center;gap:8px}
.hero-mini span.mi i{font-size:16px;color:var(--brand-3)}
.hero-mini .sep{width:1px;height:14px;background:var(--line)}
.hero-visual{position:relative;padding:0 16px}
.hero-visual-card{position:relative;border-radius:var(--r-xl);background:var(--grad-dark);padding:14px;box-shadow:var(--sh-3)}
.hero-visual-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px}
.hero-visual-card::after{content:"";position:absolute;left:14px;right:14px;bottom:14px;height:42%;border-radius:0 0 20px 20px;background:linear-gradient(to top,rgba(23,16,46,.78),rgba(23,16,46,0));pointer-events:none}
.hero-visual-caption{position:absolute;left:34px;right:34px;bottom:34px;color:#F3F0FF;font-size:14px;line-height:1.7;z-index:3}
.hero-visual-dots{position:absolute;inset:0;border-radius:var(--r-xl);overflow:hidden;opacity:.08;background-image:radial-gradient(#fff 1px,transparent 1px);background-size:16px 16px;pointer-events:none}
.stat-badge{display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);box-shadow:var(--sh-2);position:absolute;z-index:4}
.stat-badge i{font-size:16px;color:var(--brand-3)}
.stat-badge .num{font-size:22px;font-weight:800;background:var(--grad-main);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:var(--brand-1);line-height:1.2}
.stat-badge .unit{font-size:12px;color:var(--ink-500);font-weight:600}
.stat-badge .lbl{font-size:13px;color:var(--ink-500);line-height:1.2}
.badge-tl{top:-16px;left:-8px}
.badge-br{bottom:-16px;right:-8px}

/* 信任条 */
.trust-bar{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-inner{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:20px 0}
.trust-item{display:inline-flex;align-items:center;gap:10px;font-size:14.5px;font-weight:600;color:var(--ink-500);filter:grayscale(1);opacity:.6;transition:all .25s ease}
.trust-item i{font-size:20px;color:var(--brand-1)}
.trust-item:hover{filter:none;opacity:1;transform:translateY(-2px);color:var(--ink-900)}

/* 深色区块 */
.dark-panel{
  position:relative;border-radius:var(--r-xl);padding:88px 56px;overflow:hidden;color:#F3F0FF;
  background-image:linear-gradient(rgba(25,16,56,.93),rgba(52,24,80,.93)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.dark-panel .sec-title{color:#fff}
.dark-panel .sec-desc{color:#B9B0D8}
.pain-grid{margin-top:48px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.pain-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-lg);padding:28px;transition:all .24s cubic-bezier(.2,.7,.3,1)}
.pain-card:hover{background:rgba(255,255,255,.10);transform:translateY(-4px)}
.pain-num{font-size:32px;font-weight:800;line-height:1;background:var(--grad-main);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:#A98BF7}
.pain-card h3{margin-top:18px;font-size:18px;font-weight:700;color:#fff;line-height:1.5}
.pain-card p{margin-top:12px;font-size:14.5px;line-height:1.75;color:#B9B0D8}

/* 解决方案 */
.solution-inner{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.solution-media{position:sticky;top:96px}
.solution-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-2)}
.solution-tag{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:13px;font-weight:600;color:var(--brand-1);background:rgba(108,59,244,.10);border-radius:var(--r-pill);padding:4px 12px}
.step-item{display:grid;grid-template-columns:40px 1fr;gap:20px;padding-bottom:40px;border-bottom:1px dashed var(--line)}
.step-item:last-child{border-bottom:none;padding-bottom:0}
.step-item + .step-item{padding-top:40px}
.step-badge{width:40px;height:40px;border-radius:50%;background:var(--grad-main);color:#fff;font-weight:800;display:grid;place-items:center;font-size:16px;box-shadow:0 8px 18px rgba(108,59,244,.28)}
.step-item h3{font-size:20px;font-weight:700;color:var(--ink-900);line-height:1.5}
.step-item p{margin-top:12px;font-size:16.5px;line-height:1.85;color:var(--ink-700)}
.step-list{margin-top:14px;display:grid;gap:8px}
.step-list li{position:relative;padding-left:18px;font-size:15px;color:var(--ink-500);line-height:1.75}
.step-list li::before{content:"";position:absolute;left:0;top:12px;width:8px;height:8px;border-radius:2px;background:var(--grad-main)}

/* 数据区 */
.stats-grid{margin-top:40px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:28px;display:flex;align-items:center;gap:14px;transition:all .24s cubic-bezier(.2,.7,.3,1)}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(108,59,244,.35)}
.stat-card i{font-size:24px;color:var(--brand-3)}
.stat-card .val{font-size:32px;font-weight:800;line-height:1;background:var(--grad-main);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:var(--brand-1)}
.stat-card .cap{font-size:13px;color:var(--ink-500);margin-top:6px}
.progress-group{margin-top:48px;display:grid;gap:20px;max-width:820px}
.progress-row{display:grid;grid-template-columns:100px 1fr auto;gap:16px;align-items:center}
.progress-row .plabel{font-size:13px;font-weight:600;color:var(--ink-500)}
.progress-track{height:10px;border-radius:var(--r-pill);background:var(--line);overflow:hidden}
.progress-fill{height:100%;border-radius:var(--r-pill);background:var(--brand-1)}
.progress-fill.f2{background:var(--brand-3)}
.progress-fill.f3{background:var(--brand-4)}
.progress-row .pval{font-size:13px;font-weight:700;color:var(--ink-900)}

/* 最新信息 */
.latest-grid{display:grid;grid-template-columns:6fr 6fr;gap:24px}
.post-card-lg{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:24px;transition:all .24s cubic-bezier(.2,.7,.3,1);height:100%}
.post-card-lg:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(108,59,244,.35);color:inherit}
.post-media{border-radius:var(--r-md);overflow:hidden;background:var(--grad-soft)}
.post-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.3,1)}
.post-card-lg:hover .post-media img{transform:scale(1.04)}
.tag-pill{display:inline-flex;align-items:center;gap:6px;margin-top:20px;padding:4px 12px;border-radius:var(--r-pill);background:rgba(108,59,244,.10);color:var(--brand-1);font-size:13px;font-weight:600}
.post-title{margin-top:14px;font-size:19px;font-weight:700;line-height:1.5;color:var(--ink-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease}
.post-card-lg:hover .post-title,.post-card-sm:hover .post-title{color:var(--brand-1)}
.post-excerpt{margin-top:10px;font-size:14.5px;line-height:1.75;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;font-weight:600;color:var(--ink-500);border-top:1px solid var(--line);padding-top:14px}
.post-meta .go{color:var(--brand-1);display:inline-flex;align-items:center;gap:6px}
.post-list{display:grid;gap:16px}
.post-card-sm{display:grid;grid-template-columns:96px 1fr;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:16px;transition:all .24s cubic-bezier(.2,.7,.3,1)}
.post-card-sm:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(108,59,244,.35);color:inherit}
.post-card-sm .thumb{border-radius:var(--r-md);overflow:hidden;background:var(--grad-soft)}
.post-card-sm .thumb img{width:100%;height:100%;min-height:72px;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.3,1)}
.post-card-sm:hover .thumb img{transform:scale(1.04)}
.post-card-sm .post-title{margin-top:0;font-size:17px}
.post-card-sm .meta-line{margin-top:10px;font-size:13px;font-weight:600;color:var(--ink-500);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.post-card-sm .meta-line .dot{width:3px;height:3px;border-radius:50%;background:var(--ink-300)}
.empty-state{min-height:240px;border-radius:var(--r-lg);background:var(--grad-soft);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:32px}
.empty-state i{font-size:48px;color:var(--brand-1);opacity:.5}
.empty-state p{font-size:15px;color:var(--ink-500)}

/* 证言 */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:32px 28px;transition:all .24s cubic-bezier(.2,.7,.3,1)}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(108,59,244,.35)}
.quote-mark{font-size:48px;line-height:1;font-weight:800;color:var(--brand-1);opacity:.18;font-family:Georgia,serif}
.quote-text{margin-top:10px;font-size:15.5px;line-height:1.85;color:var(--ink-700)}
.quote-person{margin-top:24px;display:flex;align-items:center;gap:12px;padding-top:18px;border-top:1px solid var(--line)}
.avatar{width:48px;height:48px;border-radius:50%;background:var(--grad-main);display:grid;place-items:center;color:#fff;font-weight:700;font-size:16px;flex:0 0 auto}
.quote-person .who{font-size:13px;color:var(--ink-500);line-height:1.5}
.quote-person .who strong{display:block;color:var(--ink-900);font-size:14px;font-weight:700}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.faq-list{display:grid;gap:12px}
.faq-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;transition:all .24s ease}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-main);transform:scaleY(0);transform-origin:top;transition:transform .24s ease}
.faq-item:has(.collapse.show)::before{transform:scaleY(1)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;background:transparent;border:none;text-align:left;font-size:16px;font-weight:700;color:var(--ink-900);cursor:pointer;min-height:44px}
.faq-q:hover{color:var(--brand-1)}
.faq-icon{font-size:16px;color:var(--brand-1);transition:transform .24s ease;flex:0 0 auto}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg)}
.faq-a{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--ink-500)}

/* CTA */
.cta-band{position:relative;border-radius:var(--r-xl);background:var(--grad-main);padding:48px;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band::after{content:"";position:absolute;inset:0;opacity:.08;background-image:radial-gradient(#fff 1px,transparent 1px);background-size:18px 18px;pointer-events:none}
.cta-band .cta-copy{position:relative;z-index:2;max-width:640px}
.cta-band h2{font-size:24px;font-weight:700;color:#fff;line-height:1.4}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.88);line-height:1.8}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* 页脚 */
.site-footer{
  margin-top:96px;border-radius:32px 32px 0 0;color:#EDE9FB;padding:72px 0 0;
  background-image:linear-gradient(rgba(25,16,56,.94),rgba(46,22,72,.94)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text .seg-b{color:#C9BFEA}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.85;color:#A79FC6;max-width:340px}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-links{display:grid;gap:12px}
.footer-links a{font-size:14px;color:#A79FC6;line-height:1.6;display:inline-flex;align-items:center;min-height:32px;transition:color .2s ease}
.footer-links a:hover{color:#fff}
.footer-links span{font-size:14px;color:#A79FC6;line-height:1.6}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:24px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom p{font-size:13px;color:#A79FC6}
.footer-bottom .right{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.footer-bottom .right a{font-size:13px;color:#A79FC6}
.footer-bottom .right a:hover{color:#fff}

/* 回到顶部 */
.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;background:var(--grad-main);color:#fff;display:grid;place-items:center;border:none;cursor:pointer;box-shadow:var(--sh-2);opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease,transform .2s ease;z-index:1040;font-size:20px}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-3px)}

/* 抽屉 */
.offcanvas.site-drawer{background:var(--grad-dark);color:#F3F0FF;border-radius:0 24px 24px 0;width:320px}
.site-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.10);padding:20px 24px}
.site-drawer .offcanvas-title{font-size:17px;font-weight:700;color:#fff}
.site-drawer .btn-close{filter:invert(1) grayscale(1);opacity:.8}
.site-drawer .offcanvas-body{padding:12px 0 24px}
.drawer-link{display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 24px;font-size:15px;font-weight:600;color:#EDE9FB;border-bottom:1px solid rgba(255,255,255,.08)}
.drawer-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.drawer-link.active{color:#fff}
.drawer-link.active i{color:var(--brand-3)}
.drawer-note{padding:20px 24px;font-size:13px;color:#A79FC6;line-height:1.8}

@media (max-width:1199px){
  .hero-title{font-size:38px}
  .pain-grid{grid-template-columns:repeat(2,1fr)}
  .solution-inner{gap:40px}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .hero{padding:48px 0 64px}
  .hero-inner{grid-template-columns:1fr;gap:56px}
  .hero-title{font-size:34px}
  .hero-visual{padding:0 8px}
  .brand-actions .brand-link{display:none}
  .hamburger{display:grid}
  .solution-inner{grid-template-columns:1fr}
  .solution-media{position:static}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .latest-grid{grid-template-columns:1fr}
  .quote-grid{grid-template-columns:1fr 1fr}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .dark-panel{padding:56px 32px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band{padding:40px 32px}
}
@media (max-width:767px){
  .hero-title{font-size:30px}
  .sec-title{font-size:22px}
  .brand-inner{height:60px}
  .logo-text{font-size:18px}
  .pain-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .quote-grid{grid-template-columns:1fr}
  .dark-panel{padding:40px 24px;border-radius:var(--r-lg)}
  .hero-mini .sep{display:none}
  .hero-mini{gap:12px}
  .stat-badge{position:static;margin-top:12px;width:100%;justify-content:flex-start}
  .hero-visual-card{padding:12px}
  .hero-visual-caption{position:static;color:var(--ink-700);margin-top:14px;padding:0 4px}
  .hero-visual-card::after{display:none}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-actions,.hero-cta{width:100%}
  .cta-actions .btn-white,.cta-actions .btn-ghost,.hero-cta .btn-main,.hero-cta .btn-ghost{width:100%}
  .progress-row{grid-template-columns:80px 1fr auto;gap:12px}
  .post-card-sm{grid-template-columns:80px 1fr}
  .post-card-sm .thumb img{min-height:60px}
}
@media (max-width:519px){
  .site-container{padding:0 16px}
  .stats-grid{grid-template-columns:1fr}
  .hero-visual{padding:0}
  .post-card-sm{grid-template-columns:1fr}
  .post-card-sm .thumb img{aspect-ratio:16/9;min-height:0}
}

/* roulang page: article */
:root{
  --brand-1:#6C3BF4;
  --brand-2:#FF4F87;
  --brand-3:#12D9B8;
  --brand-4:#FFB53D;
  --ink-900:#17102E;
  --ink-700:#382F55;
  --ink-500:#6B6485;
  --ink-300:#A9A3BE;
  --line:#E7E3F2;
  --bg:#F6F4FC;
  --surface:#FFFFFF;
  --grad-main:linear-gradient(120deg,#6C3BF4 0%,#A63BF0 45%,#FF4F87 100%);
  --grad-soft:linear-gradient(135deg,rgba(108,59,244,.10),rgba(255,79,135,.10));
  --grad-dark:linear-gradient(140deg,#1D1240 0%,#2A1656 55%,#3A1A55 100%);
  --sh-1:0 2px 8px rgba(23,16,46,.06);
  --sh-2:0 10px 28px rgba(23,16,46,.10);
  --sh-3:0 24px 56px rgba(23,16,46,.16);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.4}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-3);outline-offset:2px;border-radius:4px}
.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1400px){.site-container{max-width:1280px}}
@media (max-width:575.98px){.site-container{padding:0 16px}}

/* ---------- 品牌行 ---------- */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:40}
.brand-row{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.brand-logo{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-main);
  color:#fff;font-weight:800;font-size:19px;display:grid;place-items:center;
  box-shadow:var(--sh-2);letter-spacing:-.5px;
}
.logo-text{display:inline-flex;align-items:center;gap:8px;font-size:20px;line-height:1;color:var(--ink-900)}
.seg-a{font-weight:800}
.seg-b{font-weight:600;color:var(--brand-1)}
.seg-dot{width:6px;height:6px;border-radius:50%;background:var(--grad-main);flex:0 0 auto}
.brand-tools{display:flex;align-items:center;gap:20px}
.tool-link{font-size:14px;font-weight:600;color:var(--ink-500);padding:6px 2px}
.tool-link:hover{color:var(--brand-1)}
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 24px;border-radius:var(--r-pill);
  background:var(--grad-main);color:#fff;font-size:15px;font-weight:600;
  box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease);
}
.btn-grad:hover{transform:translateY(-2px);box-shadow:var(--sh-2);filter:saturate(1.08) brightness(1.04);color:#fff}
.btn-grad:active{transform:translateY(0);box-shadow:var(--sh-1)}
.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;border:1.5px solid var(--line);
  align-items:center;justify-content:center;font-size:22px;color:var(--ink-900);
}
.hamburger:hover{border-color:var(--brand-1);color:var(--brand-1)}

/* ---------- 频道行 ---------- */
.channel-bar{
  position:sticky;top:0;z-index:35;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.channel-inner{display:flex;align-items:center;justify-content:space-between;height:56px;gap:16px}
.channel-nav{display:flex;align-items:center;gap:2px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;display:inline-flex;align-items:center;height:56px;
  padding:0 14px;font-size:15px;font-weight:600;color:var(--ink-500);white-space:nowrap;
  transition:color .22s var(--ease);
}
.channel-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:13px;height:3px;
  border-radius:var(--r-pill);background:var(--grad-main);
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.channel-link:hover{color:var(--brand-1)}
.channel-link:hover::after{transform:scaleX(1)}
.channel-link.active{color:var(--brand-1)}
.channel-link.active::after{transform:scaleX(1)}
.channel-tools{display:flex;align-items:center;gap:8px}
.icon-btn{
  width:40px;height:40px;border-radius:12px;border:1.5px solid var(--line);
  display:grid;place-items:center;color:var(--ink-500);font-size:17px;
  transition:border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease);
}
.icon-btn:hover{border-color:var(--brand-1);color:var(--brand-1);background:rgba(108,59,244,.06)}

/* ---------- 抽屉 ---------- */
.drawer-panel{
  background:var(--grad-dark);color:#EDE9FB;border:0;
  border-radius:24px 0 0 24px;width:300px;
}
.drawer-panel .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.10);padding:18px 22px}
.drawer-title{font-size:15px;font-weight:700;color:#EDE9FB;letter-spacing:.5px}
.drawer-close{width:40px;height:40px;border-radius:12px;color:#B9B0D8;display:grid;place-items:center;font-size:17px}
.drawer-close:hover{color:#fff;background:rgba(255,255,255,.08)}
.drawer-body{padding:12px 0}
.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 22px;font-size:15px;font-weight:600;
  color:#C7BFE4;border-bottom:1px solid rgba(255,255,255,.08);
  transition:color .22s var(--ease),background .22s var(--ease);
}
.drawer-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.drawer-link.active{color:#fff}
.drawer-link.active::before{
  content:"";width:4px;height:18px;border-radius:2px;background:var(--grad-main);margin-right:12px;
}

/* ---------- 文章头区 ---------- */
.article-hero{
  background:var(--grad-soft);
  border-radius:0 0 var(--r-xl) var(--r-xl);
  padding:26px 0 44px;
  position:relative;
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(108,59,244,.18),transparent 68%);
  pointer-events:none;
}
.hero-top{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);font-weight:600}
.crumb .sep{color:var(--ink-300);font-weight:400}
.crumb a:hover{color:var(--brand-1)}
.crumb .current{color:var(--ink-900);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;flex:0 0 auto;
  height:40px;padding:0 20px;border-radius:var(--r-pill);
  border:1.5px solid var(--line);background:rgba(255,255,255,.7);
  color:var(--ink-900);font-size:14px;font-weight:600;
  transition:background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.btn-ghost:hover{background:var(--grad-soft);border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px)}
.cat-pill{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(108,59,244,.10);color:var(--brand-1);font-size:13px;font-weight:600;
}
.hero-head{margin-top:18px;position:relative;z-index:2}
.article-title{
  font-size:34px;font-weight:800;line-height:1.35;letter-spacing:-.4px;
  max-width:820px;margin-top:14px;color:var(--ink-900);
  word-break:break-word;overflow-wrap:anywhere;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:13px;font-weight:600;color:var(--ink-500);
  font-variant-numeric:tabular-nums;
}
.article-meta .mid{width:4px;height:4px;border-radius:50%;background:var(--ink-300)}
.article-meta i{font-size:14px;color:var(--brand-1)}

/* ---------- 封面 ---------- */
.cover-wrap{max-width:960px;margin:34px auto 0;padding:0 20px}
.cover-frame{
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);
  background:var(--grad-main);
}
.cover-frame img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- 正文布局 ---------- */
.article-main{padding:52px 0 88px}
.article-grid{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:32px;align-items:start}
.article-col{min-width:0}

.article-body{max-width:780px;font-size:16.5px;line-height:1.9;color:var(--ink-700);word-break:break-word;overflow-wrap:anywhere}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;font-size:26px;font-weight:700;color:var(--ink-900);
  line-height:1.4;margin:44px 0 16px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;width:4px;height:24px;
  border-radius:2px;background:var(--grad-main);
}
.article-body h3{font-size:20px;font-weight:700;color:var(--ink-900);margin:30px 0 12px;line-height:1.5}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink-900);margin:24px 0 10px}
.article-body ul{margin:0 0 20px;padding-left:2px}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:8px;line-height:1.9}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;
  border-radius:50%;background:var(--grad-main);
}
.article-body ol{counter-reset:odx;margin:0 0 20px;padding-left:2px}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:8px;counter-increment:odx;line-height:1.9}
.article-body ol li::before{
  content:counter(odx);position:absolute;left:0;top:.06em;
  color:var(--brand-1);font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:24px 0;padding:20px;border-left:4px solid var(--brand-1);
  background:var(--grad-soft);border-radius:var(--r-md);color:var(--ink-700);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:24px auto;box-shadow:var(--sh-1)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--ink-300);text-align:center;margin-top:10px}
.article-body a{color:var(--brand-1);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-2)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body strong,.article-body b{color:var(--ink-900)}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;
  border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;font-size:15px;font-variant-numeric:tabular-nums;
}
.article-body thead th{background:var(--grad-soft);color:var(--ink-900);font-weight:700;text-align:left}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body code{background:var(--grad-soft);border-radius:6px;padding:2px 6px;font-size:14px;color:var(--brand-1)}

/* ---------- 侧栏 ---------- */
.article-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.side-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(108,59,244,.35)}
.side-title{font-size:17px;font-weight:700;color:var(--ink-900);display:flex;align-items:center;gap:10px;margin-bottom:16px}
.side-title::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--grad-main)}
.side-links li{margin-bottom:4px}
.side-links a{
  display:block;padding:9px 0;font-size:14.5px;color:var(--ink-700);
  border-bottom:1px dashed var(--line);
  transition:color .22s var(--ease),padding-left .22s var(--ease);
}
.side-links li:last-child a{border-bottom:0}
.side-links a:hover{color:var(--brand-1);padding-left:6px}
.side-list li{padding:12px 0;border-bottom:1px dashed var(--line)}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list a{display:block;font-size:14.5px;font-weight:600;color:var(--ink-900);line-height:1.6;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.side-list a:hover{color:var(--brand-1)}
.side-time{display:block;margin-top:6px;font-size:12.5px;font-weight:600;color:var(--ink-300);font-variant-numeric:tabular-nums}
.side-top-btn{
  display:flex;align-items:center;justify-content:center;gap:8px;height:46px;
  border-radius:var(--r-md);border:1.5px solid var(--line);background:#fff;
  color:var(--ink-900);font-size:14.5px;font-weight:600;
  transition:background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.side-top-btn:hover{background:var(--grad-soft);border-color:var(--brand-1);color:var(--brand-1)}

/* ---------- 标签与操作 ---------- */
.after-body{margin-top:36px;max-width:780px;display:flex;flex-direction:column;gap:18px}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-row .label{font-size:13px;font-weight:600;color:var(--ink-500)}
.act-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;padding-top:18px;border-top:1px solid var(--line)}
.text-btn{
  position:relative;font-size:14.5px;font-weight:600;color:var(--brand-1);padding:6px 0;
}
.text-btn::after{
  content:"";position:absolute;left:0;bottom:0;height:1.5px;width:40%;
  border-radius:2px;background:var(--grad-main);transition:width .24s var(--ease);
}
.text-btn:hover::after{width:100%}
.text-btn:hover{color:var(--brand-2)}

/* ---------- 空态 ---------- */
.empty-state{
  min-height:240px;border-radius:var(--r-lg);background:var(--grad-soft);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:32px 24px;text-align:center;
}
.empty-state i{font-size:48px;color:var(--brand-1);opacity:.75}
.empty-state p{font-size:15px;color:var(--ink-500)}
.empty-state a{
  display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 24px;
  border-radius:var(--r-pill);border:1.5px solid var(--line);background:#fff;
  font-size:14.5px;font-weight:600;color:var(--ink-900);
  transition:border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease);
}
.empty-state a:hover{border-color:var(--brand-1);color:var(--brand-1);background:var(--grad-soft)}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 88px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.sec-title{display:flex;align-items:center;gap:12px;font-size:28px;font-weight:700;color:var(--ink-900);line-height:1.35}
.sec-title::before{content:"";width:4px;height:24px;border-radius:2px;background:var(--grad-main);flex:0 0 auto}
.sec-desc{margin-top:10px;font-size:15px;color:var(--ink-500);max-width:620px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(108,59,244,.35)}
.rel-thumb{overflow:hidden;background:var(--grad-soft)}
.rel-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:17px;font-weight:700;line-height:1.5;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card:hover .rel-body h3{color:var(--brand-1)}
.rel-body p{font-size:14.5px;line-height:1.75;color:var(--ink-500);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-meta{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--ink-300);margin-top:auto;font-variant-numeric:tabular-nums}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 96px}
.cta-inner{
  position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--grad-main);
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--sh-3);
}
.cta-inner::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.55) 1px,transparent 1px);
  background-size:18px 18px;opacity:.08;pointer-events:none;
}
.cta-text{position:relative;z-index:2;max-width:620px}
.cta-text h2{font-size:23px;font-weight:700;color:#fff;line-height:1.45}
.cta-text p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.85);line-height:1.75}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}
.btn-light-solid{
  display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 28px;
  border-radius:var(--r-pill);background:#fff;color:var(--brand-1);font-size:15px;font-weight:700;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-light-solid:hover{transform:translateY(-2px);box-shadow:var(--sh-2);color:var(--brand-2)}
.btn-light-line{
  display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 28px;
  border-radius:var(--r-pill);border:1.5px solid rgba(255,255,255,.65);color:#fff;font-size:15px;font-weight:600;
  transition:background .22s var(--ease),transform .22s var(--ease);
}
.btn-light-line:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--grad-dark);color:#EDE9FB;border-radius:var(--r-xl) var(--r-xl) 0 0;
  padding:64px 0 0;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:48px}
.footer-brand .brand-logo{margin-bottom:16px}
.footer-brand .logo-text{color:#EDE9FB}
.footer-brand .seg-b{color:#C9BFFA}
.footer-desc{font-size:14.5px;line-height:1.8;color:#A79FC6;max-width:340px}
.footer-col h3{font-size:15px;font-weight:700;color:#EDE9FB;margin-bottom:16px;letter-spacing:.5px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a,.footer-links span{font-size:14.5px;color:#A79FC6;line-height:1.6}
.footer-links a{transition:color .22s var(--ease),transform .22s var(--ease);width:fit-content}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:#A79FC6}
.footer-bottom .right{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.footer-bottom .right a{font-size:13px;color:#A79FC6}
.footer-bottom .right a:hover{color:#fff}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--grad-main);color:#fff;display:grid;place-items:center;font-size:20px;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;z-index:60;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{filter:saturate(1.1) brightness(1.05)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-title{font-size:30px}
}
@media (max-width:991.98px){
  .article-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .article-aside{position:static}
  .article-body{max-width:100%}
  .after-body{max-width:100%}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-inner{padding:36px}
}
@media (max-width:767.98px){
  .brand-tools .tool-link{display:none}
  .hamburger{display:inline-flex}
  .article-title{font-size:26px}
  .article-hero{padding:20px 0 34px}
  .hero-top{flex-direction:column;align-items:flex-start;gap:14px}
  .crumb .current{max-width:100%;white-space:normal}
  .article-main{padding:40px 0 64px}
  .article-body h2{font-size:22px;margin-top:36px}
  .article-body h3{font-size:18px}
  .sec-title{font-size:22px}
  .sec-title::before{height:20px}
  .related{padding-bottom:64px}
  .cta-band{padding-bottom:64px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-text h2{font-size:20px}
}
@media (max-width:575.98px){
  .article-title{font-size:24px}
  .article-body{font-size:16px}
  .rel-grid{grid-template-columns:minmax(0,1fr);gap:16px}
  .cta-inner{padding:28px 22px}
  .cta-actions{width:100%}
  .cta-actions a{width:100%}
  .article-body table,.article-body thead,.article-body tbody,.article-body tr,.article-body th,.article-body td{display:block;width:100%}
  .article-body thead{display:none}
  .article-body table{border:0}
  .article-body tr{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    margin-bottom:12px;padding:8px 14px;
  }
  .article-body td{border-bottom:1px dashed var(--line);padding:8px 0}
  .article-body td:last-child{border-bottom:0}
  .to-top{right:16px;bottom:16px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --brand-1:#6C3BF4;
  --brand-2:#FF4F87;
  --brand-3:#12D9B8;
  --brand-4:#FFB53D;
  --ink-900:#17102E;
  --ink-700:#382F55;
  --ink-500:#6B6485;
  --ink-300:#A9A3BE;
  --line:#E7E3F2;
  --bg:#F6F4FC;
  --surface:#FFFFFF;
  --grad-main:linear-gradient(120deg,#6C3BF4 0%,#A63BF0 45%,#FF4F87 100%);
  --grad-soft:linear-gradient(135deg,rgba(108,59,244,.10),rgba(255,79,135,.10));
  --grad-dark:linear-gradient(140deg,#1D1240 0%,#2A1656 55%,#3A1A55 100%);
  --sh-1:0 2px 8px rgba(23,16,46,.06);
  --sh-2:0 10px 28px rgba(23,16,46,.10);
  --sh-3:0 24px 56px rgba(23,16,46,.16);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.35;letter-spacing:-.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-3);outline-offset:2px;}
.site-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1400px){
  .site-container{max-width:1280px;}
}

/* ---------- 品牌行 ---------- */
.brand-bar{
  background:#fff;
  border-bottom:1px solid var(--line);
  position:relative;
  z-index:30;
}
.brand-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:72px;
}
.brand-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;
  background:var(--grad-main);
  color:#fff;
  display:grid;place-items:center;
  font-size:18px;font-weight:800;
  box-shadow:var(--sh-1);
}
.logo-text{
  display:inline-flex;align-items:center;gap:7px;
  font-size:20px;font-weight:800;color:var(--ink-900);
}
.logo-text .seg-b{font-weight:600;color:var(--ink-700);}
.seg-dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--grad-main);
  display:inline-block;
}
.brand-tools{display:flex;align-items:center;gap:8px;}
.tool-link{
  font-size:15px;font-weight:600;color:var(--ink-500);
  padding:8px 12px;border-radius:var(--r-pill);
  transition:color .22s,background .22s;
  min-height:44px;display:inline-flex;align-items:center;
}
.tool-link:hover{color:var(--brand-1);background:var(--grad-soft);}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;
  border:none;border-radius:var(--r-pill);
  background:var(--grad-main);
  color:#fff;font-size:15px;font-weight:600;
  cursor:pointer;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s,filter .22s;
}
.btn-main:hover{transform:translateY(-2px);box-shadow:var(--sh-2);filter:saturate(1.08) brightness(1.04);color:#fff;}
.btn-main:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-main.small{height:42px;padding:0 22px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  background:transparent;
  border:1.5px solid var(--line);
  border-radius:var(--r-pill);
  color:var(--ink-900);font-size:15px;font-weight:600;
  cursor:pointer;
  transition:background .22s,border-color .22s,color .22s;
}
.btn-ghost:hover{background:var(--grad-soft);border-color:var(--brand-1);color:var(--brand-1);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-1);font-size:15px;font-weight:600;
  position:relative;padding:6px 0;
}
.btn-text::after{
  content:"";position:absolute;left:0;bottom:0;height:1.5px;width:40%;
  background:var(--grad-main);border-radius:2px;
  transition:width .24s cubic-bezier(.2,.7,.3,1);
}
.btn-text:hover::after{width:100%;}
.hamburger{
  display:none;
  width:44px;height:44px;
  border:1.5px solid var(--line);border-radius:var(--r-sm);
  background:#fff;color:var(--ink-900);font-size:20px;
  align-items:center;justify-content:center;
  cursor:pointer;
}
.hamburger:hover{border-color:var(--brand-1);color:var(--brand-1);}

/* ---------- 频道行 ---------- */
.channel-bar{
  position:sticky;top:0;z-index:20;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.channel-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  height:56px;
}
.channel-nav{display:flex;align-items:center;gap:4px;min-width:0;}
.channel-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:56px;padding:0 14px;
  font-size:15px;font-weight:600;color:var(--ink-500);
  transition:color .22s;
  white-space:nowrap;
}
.channel-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:10px;height:3px;
  border-radius:var(--r-pill);
  background:var(--grad-main);
  transform:scaleX(0);transform-origin:left center;
  transition:transform .22s cubic-bezier(.2,.7,.3,1);
}
.channel-link:hover{color:var(--brand-1);}
.channel-link:hover::after{transform:scaleX(1);}
.channel-link.active{color:var(--brand-1);}
.channel-link.active::after{transform:scaleX(1);}
.channel-tools{display:flex;align-items:center;gap:8px;}
.icon-btn{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1.5px solid var(--line);border-radius:var(--r-pill);
  background:#fff;color:var(--ink-500);font-size:17px;
  cursor:pointer;transition:border-color .22s,color .22s,background .22s;
}
.icon-btn:hover{border-color:var(--brand-1);color:var(--brand-1);background:var(--grad-soft);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--grad-soft);
  padding:36px 0 44px;
}
.page-hero::before{
  content:"";position:absolute;top:-120px;right:-80px;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,59,244,.20),transparent 68%);
  pointer-events:none;
}
.hero-art{
  position:absolute;right:0;top:0;bottom:0;
  width:46%;max-width:620px;
  pointer-events:none;
}
.hero-art img{
  width:100%;height:100%;object-fit:cover;
  opacity:.30;
  -webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 45%,#000 100%);
  mask-image:linear-gradient(90deg,transparent 0%,#000 45%,#000 100%);
}
.hero-inner{position:relative;z-index:2;min-height:180px;}
.breadcrumb-line{
  display:flex;align-items:center;flex-wrap:wrap;gap:6px;
  font-size:13px;font-weight:600;color:var(--ink-500);
  margin-bottom:14px;
}
.breadcrumb-line .sep{color:var(--ink-300);}
.breadcrumb-line .current{color:var(--ink-900);}
.page-hero h1{
  font-size:34px;font-weight:800;line-height:1.35;
  max-width:820px;
  margin-bottom:14px;
}
.hero-lede{
  max-width:660px;
  font-size:16.5px;line-height:1.85;color:var(--ink-700);
  margin-bottom:22px;
}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.75);
  border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--ink-500);
  transition:border-color .22s,color .22s,background .22s;
  min-height:36px;
}
.chip:hover{border-color:var(--brand-1);color:var(--brand-1);}
.chip.is-current{
  background:var(--grad-main);
  border-color:transparent;
  color:#fff;
}
.chip.is-current:hover{color:#fff;}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0;}
.section-white{background:#fff;}
.section-bg{background:var(--bg);}
.sec-head{margin-bottom:32px;}
.sec-head h2{
  font-size:28px;font-weight:700;
  display:flex;align-items:center;gap:12px;
}
.sec-head h2::before{
  content:"";flex:0 0 4px;width:4px;height:24px;border-radius:3px;
  background:var(--grad-main);
}
.sec-head .sub{
  margin-top:12px;max-width:660px;
  font-size:15px;line-height:1.8;color:var(--ink-500);
}

/* ---------- 核验卡片组 ---------- */
.verify-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.verify-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:26px 28px;
  display:flex;flex-direction:column;gap:14px;
  transition:transform .24s cubic-bezier(.2,.7,.3,1),box-shadow .24s,border-color .24s;
}
.verify-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(108,59,244,.35);
}
.card-icon{
  width:40px;height:40px;flex:0 0 40px;
  border-radius:50%;
  background:var(--grad-main);
  color:#fff;
  display:grid;place-items:center;
  font-size:18px;
}
.verify-card h3{
  font-size:20px;font-weight:700;line-height:1.5;
}
.verify-card p{
  font-size:14.5px;line-height:1.75;color:var(--ink-500);
}
.verify-card .card-foot{margin-top:auto;padding-top:6px;}

/* ---------- 深色横带 ---------- */
.dark-band{
  border-radius:var(--r-xl);
  background:var(--grad-dark);
  padding:56px 48px;
  color:#F3F0FF;
  position:relative;
  overflow:hidden;
}
.dark-band::after{
  content:"";position:absolute;left:-60px;bottom:-90px;
  width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,59,244,.35),transparent 70%);
  pointer-events:none;
}
.dark-band h2{
  color:#fff;
  font-size:28px;font-weight:700;
  display:flex;align-items:center;gap:12px;
  margin-bottom:14px;
}
.dark-band h2::before{
  content:"";flex:0 0 4px;width:4px;height:24px;border-radius:3px;
  background:var(--grad-main);
}
.dark-band .dark-sub{
  color:#B9B0D8;font-size:15px;line-height:1.8;max-width:620px;
  margin-bottom:28px;
}
.dark-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:36px;
  align-items:center;
  position:relative;z-index:2;
}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;}
.badge-dark{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);
}
.badge-dark i{color:var(--brand-3);font-size:16px;}
.badge-dark .num{
  font-size:32px;font-weight:800;line-height:1;
  background:var(--grad-main);
  -webkit-background-clip:text;background-clip:text;
  color:#6C3BF4;
  -webkit-text-fill-color:transparent;
}
.badge-dark .unit{font-size:12px;color:#B9B0D8;}
.badge-dark .label{font-size:13px;color:#B9B0D8;}
.dark-figure{border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.14);}
.dark-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}

/* ---------- 表单 ---------- */
.form-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  padding:32px;
  max-width:640px;
  margin:0 auto;
}
.form-card h3{font-size:20px;font-weight:700;margin-bottom:8px;}
.form-card .form-tip{font-size:14.5px;color:var(--ink-500);line-height:1.75;margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:13px;font-weight:600;color:var(--ink-700);
  margin-bottom:8px;
}
.ctl{
  width:100%;
  height:48px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:#fff;
  font-size:15px;font-family:inherit;color:var(--ink-900);
  transition:border-color .22s,box-shadow .22s;
  appearance:none;
}
select.ctl{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%236B6485' stroke-width='1.75' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 16px center;
  padding-right:40px;
}
textarea.ctl{height:auto;min-height:120px;padding:12px 14px;line-height:1.75;resize:vertical;}
.ctl:focus{
  outline:none;
  border-color:var(--brand-1);
  box-shadow:0 0 0 3px rgba(108,59,244,.15);
}
.ctl::placeholder{color:var(--ink-300);}
.field-note{font-size:13px;color:var(--ink-300);margin-top:8px;}
.form-actions{margin-top:24px;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color .24s,box-shadow .24s;
}
.faq-item:hover{border-color:rgba(108,59,244,.35);}
.faq-q{
  position:relative;
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;
  background:transparent;border:none;
  text-align:left;cursor:pointer;
  font-size:16.5px;font-weight:600;color:var(--ink-900);
  line-height:1.6;
  min-height:56px;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  border-radius:0 3px 3px 0;
  background:var(--grad-main);
  opacity:0;transition:opacity .24s;
}
.faq-q[aria-expanded="true"]::before{opacity:1;}
.faq-sign{
  position:relative;flex:0 0 20px;width:20px;height:20px;
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--brand-1);border-radius:2px;
}
.faq-sign::before{left:2px;right:2px;top:9px;height:2px;}
.faq-sign::after{top:2px;bottom:2px;left:9px;width:2px;transition:transform .24s,opacity .24s;}
.faq-q[aria-expanded="true"] .faq-sign::after{transform:scaleY(0);opacity:0;}
.faq-a{
  padding:0 22px 20px;
  font-size:15px;line-height:1.85;color:var(--ink-500);
}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:var(--r-xl);
  background:var(--grad-main);
  padding:48px;
  position:relative;
  overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  color:#fff;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.5;
  pointer-events:none;
}
.cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-copy h2{color:#fff;font-size:24px;font-weight:700;margin-bottom:10px;}
.cta-copy p{color:rgba(255,255,255,.88);font-size:15px;line-height:1.8;}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}
.cta-solid{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 28px;border:none;border-radius:var(--r-pill);
  background:#fff;color:var(--brand-1);
  font-size:15px;font-weight:600;
  transition:transform .22s,box-shadow .22s;
}
.cta-solid:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(23,16,46,.22);color:var(--brand-1);}
.cta-line{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;
  border-radius:var(--r-pill);
  border:1.5px solid rgba(255,255,255,.65);
  background:rgba(255,255,255,.10);
  color:#fff;font-size:15px;font-weight:600;
  transition:background .22s,transform .22s;
}
.cta-line:hover{background:rgba(255,255,255,.20);transform:translateY(-2px);color:#fff;}

/* ---------- 抽屉 ---------- */
.nav-drawer{
  width:300px !important;
  background:var(--grad-dark);
  color:#F3F0FF;
  border-radius:24px 0 0 24px;
  border:none;
}
.nav-drawer .offcanvas-header{
  border-bottom:1px solid rgba(255,255,255,.10);
  padding:18px 20px;
}
.drawer-title{font-size:15px;font-weight:600;color:#EDE9FB;}
.drawer-close{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:none;color:#EDE9FB;font-size:18px;cursor:pointer;
  border-radius:var(--r-sm);
}
.drawer-close:hover{background:rgba(255,255,255,.10);}
.drawer-body{padding:8px 0 24px;}
.drawer-link{
  display:flex;align-items:center;
  height:48px;padding:0 20px;
  font-size:15px;font-weight:600;color:#EDE9FB;
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .22s,color .22s;
}
.drawer-link:hover{background:rgba(255,255,255,.08);color:#fff;}
.drawer-link.active{color:#fff;background:rgba(108,59,244,.35);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--grad-dark);
  border-radius:32px 32px 0 0;
  margin-top:64px;
  color:#EDE9FB;
  padding:56px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-brand .brand-logo{margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text .seg-b{color:#CFC7E8;}
.footer-desc{font-size:14.5px;line-height:1.8;color:#A79FC6;max-width:320px;}
.footer-col h3{
  font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a,.footer-links span{
  font-size:14.5px;color:#A79FC6;
  transition:color .22s;
  min-height:24px;
}
.footer-links a:hover{color:#fff;}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:#A79FC6;}
.footer-bottom .right{display:flex;align-items:center;gap:18px;}
.footer-bottom .right a{font-size:13px;color:#A79FC6;transition:color .22s;}
.footer-bottom .right a:hover{color:#fff;}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;
  width:48px;height:48px;
  border-radius:50%;
  border:none;
  background:var(--grad-main);
  color:#fff;font-size:18px;
  display:grid;place-items:center;
  box-shadow:var(--sh-2);
  cursor:pointer;
  opacity:0;visibility:hidden;
  transition:opacity .2s,visibility .2s,transform .22s;
  z-index:40;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{transform:translateY(-3px);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .footer-col:last-child{grid-column:span 3;}
  .footer-col:last-child .footer-links{flex-direction:row;flex-wrap:wrap;gap:18px;}
}
@media (max-width:991.98px){
  .tool-link{display:none;}
  .hamburger{display:inline-flex;}
  .channel-bar{position:static;}
  .channel-nav{
    overflow-x:auto;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
    padding-right:24px;
  }
  .channel-nav::-webkit-scrollbar{display:none;}
  .channel-inner{
    -webkit-mask-image:linear-gradient(90deg,#000 0%,#000 88%,transparent 100%);
    mask-image:linear-gradient(90deg,#000 0%,#000 88%,transparent 100%);
  }
  .hero-art{width:70%;opacity:.5;}
  .page-hero h1{font-size:28px;}
  .dark-grid{grid-template-columns:1fr;}
  .verify-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .cta-actions{width:100%;}
  .dark-band{padding:44px 28px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .site-container{padding:0 16px;}
  .brand-inner{height:60px;}
  .logo-text{font-size:17px;}
  .logo-mark{width:34px;height:34px;flex:0 0 34px;font-size:16px;border-radius:10px;}
  .brand-tools .btn-main{display:none;}
  .page-hero{padding:26px 0 34px;}
  .page-hero h1{font-size:24px;}
  .hero-lede{font-size:15.5px;}
  .section{padding:52px 0;}
  .sec-head h2{font-size:22px;}
  .dark-band h2{font-size:22px;}
  .badge-dark .num{font-size:26px;}
  .dark-band{padding:32px 22px;}
  .form-card{padding:24px 20px;}
  .faq-q{font-size:15.5px;padding:16px 18px;}
  .faq-a{padding:0 18px 18px;font-size:14.5px;}
  .cta-band{padding:32px 22px;}
  .cta-copy h2{font-size:20px;}
  .cta-actions{flex-direction:column;}
  .cta-solid,.cta-line{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-col:last-child{grid-column:auto;}
  .footer-col:last-child .footer-links{flex-direction:column;gap:10px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:575.98px){
  .logo-text{font-size:16px;gap:5px;}
  .verify-card{padding:22px 20px;}
  .badge-row{gap:10px;}
  .badge-dark{padding:8px 14px;}
  .nav-drawer{width:86vw !important;}
}

/* roulang page: category2 */
:root{
  --brand-1:#6C3BF4;
  --brand-2:#FF4F87;
  --brand-3:#12D9B8;
  --brand-4:#FFB53D;
  --ink-900:#17102E;
  --ink-700:#382F55;
  --ink-500:#6B6485;
  --ink-300:#A9A3BE;
  --line:#E7E3F2;
  --bg:#F6F4FC;
  --surface:#FFFFFF;
  --grad-main:linear-gradient(120deg,#6C3BF4 0%,#A63BF0 45%,#FF4F87 100%);
  --grad-soft:linear-gradient(135deg,rgba(108,59,244,.10),rgba(255,79,135,.10));
  --grad-dark:linear-gradient(140deg,#1D1240 0%,#2A1656 55%,#3A1A55 100%);
  --sh-1:0 2px 8px rgba(23,16,46,.06);
  --sh-2:0 10px 28px rgba(23,16,46,.10);
  --sh-3:0 24px 56px rgba(23,16,46,.16);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  word-break:break-word;
}
img{max-width:100%;display:block}
a{color:var(--brand-1);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--brand-2)}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:800;letter-spacing:-.2px}
p{margin:0}
ol,ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-3);outline-offset:2px;border-radius:6px}
.site-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1400px){.site-container{max-width:1280px}}
@media (max-width:575.98px){.site-container{padding-left:16px;padding-right:16px}}

/* ---------- 顶部提示条 ---------- */
.topbar{background:var(--grad-soft);border-bottom:1px solid var(--line)}
.topbar-inner{
  min-height:40px;display:flex;align-items:center;gap:12px;
  font-size:13px;color:var(--ink-500);
}
.topbar-inner .bi{color:var(--brand-1);font-size:16px}
.topbar-close{
  margin-left:auto;background:none;border:0;color:var(--ink-500);
  width:32px;height:32px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  transition:background .2s ease,color .2s ease;
}
.topbar-close:hover{background:rgba(108,59,244,.10);color:var(--brand-1)}
.topbar.is-hidden{display:none}

/* ---------- 品牌行 ---------- */
.brandbar{background:var(--surface);border-bottom:1px solid var(--line)}
.brandbar-inner{
  min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand-logo{display:inline-flex;align-items:center;gap:12px;color:var(--ink-900)}
.brand-logo:hover{color:var(--ink-900)}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-main);
  color:#fff;font-weight:800;font-size:19px;display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);flex:0 0 auto;
}
.logo-text{display:inline-flex;align-items:center;font-size:20px;line-height:1}
.seg-a{font-weight:800;background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:#6C3BF4}
.seg-dot{width:6px;height:6px;border-radius:50%;background:var(--grad-main);margin:0 8px;display:inline-block}
.seg-b{font-weight:600;color:var(--ink-900)}
.brand-actions{display:flex;align-items:center;gap:14px}
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 26px;border:0;border-radius:var(--r-pill);
  background:var(--grad-main);color:#fff;font-size:15px;font-weight:600;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,filter .22s ease;
}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);filter:saturate(1.08) brightness(1.04)}
.btn-grad:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 24px;border-radius:var(--r-pill);
  border:1.5px solid var(--line);background:transparent;color:var(--ink-900);
  font-size:15px;font-weight:600;
  transition:background .22s ease,border-color .22s ease,color .22s ease,transform .22s ease;
}
.btn-line:hover{background:var(--grad-soft);border-color:var(--brand-1);color:var(--brand-1)}
.btn-line.on-dark{color:#F3F0FF;border-color:rgba(255,255,255,.5);background:rgba(255,255,255,.10)}
.btn-line.on-dark:hover{background:rgba(255,255,255,.20);border-color:#fff;color:#fff}
.btn-text{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-1);font-size:14.5px;font-weight:600;padding:6px 2px;
}
.btn-text::after{
  content:"";position:absolute;left:0;bottom:0;height:1.5px;width:40%;
  background:var(--grad-main);transition:width .24s ease;
}
.btn-text:hover{color:var(--brand-2)}
.btn-text:hover::after{width:100%}
.hamburger{
  width:44px;height:44px;border-radius:var(--r-sm);border:1.5px solid var(--line);
  background:var(--surface);color:var(--ink-900);font-size:22px;
  display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.hamburger:hover{border-color:var(--brand-1);color:var(--brand-1);background:var(--grad-soft)}

/* ---------- 频道行 ---------- */
.channel-bar{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.channel-inner{min-height:56px;display:flex;align-items:center;gap:16px}
.channel-nav{
  display:flex;align-items:center;gap:6px;flex:1 1 auto;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-nav::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;flex:0 0 auto;
  padding:17px 14px;font-size:15px;font-weight:600;color:var(--ink-500);white-space:nowrap;
  transition:color .22s ease;
}
.channel-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:9px;height:3px;border-radius:var(--r-pill);
  background:var(--grad-main);transform:scaleX(0);transform-origin:left center;transition:transform .22s ease;
}
.channel-link:hover{color:var(--brand-1)}
.channel-link:hover::after{transform:scaleX(1)}
.channel-link.active{color:var(--brand-1)}
.channel-link.active::after{transform:scaleX(1)}
.channel-tools{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  width:44px;height:44px;border-radius:var(--r-sm);border:1.5px solid var(--line);background:var(--surface);
  color:var(--ink-500);font-size:18px;display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.icon-btn:hover{border-color:var(--brand-1);color:var(--brand-1);background:var(--grad-soft)}

/* ---------- 抽屉导航 ---------- */
.drawer{background:var(--grad-dark);color:#F3F0FF;border:0;width:300px}
.drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.10);padding:18px 20px}
.drawer .offcanvas-title{color:#F3F0FF;font-size:17px;font-weight:700}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.75}
.drawer-list{padding:8px 0}
.drawer-list a{
  display:flex;align-items:center;min-height:48px;padding:0 20px;
  color:#D9D2F5;font-size:15px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .2s ease,color .2s ease;
}
.drawer-list a:hover{background:rgba(255,255,255,.08);color:#fff}
.drawer-list a.active{color:#fff;background:rgba(108,59,244,.35);box-shadow:inset 3px 0 0 0 var(--brand-3)}
.drawer-foot{padding:20px}

/* ---------- 分类 Hero ---------- */
.page-hero{
  position:relative;
  padding:56px 0 48px;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,59,244,.16),rgba(108,59,244,0) 70%);pointer-events:none;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);margin-bottom:12px}
.crumbs a{color:var(--ink-500)}
.crumbs a:hover{color:var(--brand-1)}
.crumbs .cur{color:var(--ink-900);font-weight:600}
.page-hero h1{
  font-size:34px;line-height:1.35;font-weight:800;max-width:860px;margin-bottom:14px;position:relative;z-index:1;
}
.hero-note{max-width:660px;font-size:16px;color:var(--ink-500);position:relative;z-index:1}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;position:relative;z-index:1}
.chip{
  display:inline-flex;align-items:center;min-height:40px;padding:8px 18px;border-radius:var(--r-pill);
  background:var(--surface);border:1.5px solid var(--line);color:var(--ink-500);
  font-size:14.5px;font-weight:600;transition:border-color .22s ease,color .22s ease,background .22s ease,transform .22s ease;
}
.chip:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px)}
.chip.active{background:var(--grad-main);border-color:transparent;color:#fff}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-alt{background:var(--surface)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{
  position:relative;padding-left:20px;font-size:28px;line-height:1.35;font-weight:700;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:24px;border-radius:2px;background:var(--grad-main);
}
.section-sub{margin-top:12px;font-size:15px;color:var(--ink-500);max-width:620px}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:56px}
.timeline::before{
  content:"";position:absolute;left:19px;top:12px;bottom:12px;width:2px;border-radius:2px;background:var(--grad-main);
}
.tl-item{position:relative;margin-bottom:32px}
.tl-item:last-child{margin-bottom:0}
.tl-badge{
  position:absolute;left:-56px;top:6px;width:40px;height:40px;border-radius:50%;
  background:var(--grad-main);color:#fff;font-size:14.5px;font-weight:800;font-variant-numeric:tabular-nums;
  display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--sh-2);
}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 28px;box-shadow:var(--sh-1);
  transition:transform .24s cubic-bezier(.2,.7,.3,1),box-shadow .24s ease,border-color .24s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(108,59,244,.35)}
.tl-card h3{font-size:19px;line-height:1.5;margin-bottom:10px}
.tl-card p{font-size:15.5px;color:var(--ink-700)}
.tl-card p + p{margin-top:6px;color:var(--ink-500);font-size:14.5px}
.tl-note{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:rgba(255,181,61,.16);color:#8A5A00;font-size:13px;font-weight:600;
}
.tl-note .bi{font-size:14px;color:var(--brand-4)}

/* ---------- 要点一览 ---------- */
.points-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.point-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .24s cubic-bezier(.2,.7,.3,1),box-shadow .24s ease,border-color .24s ease;
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(108,59,244,.35)}
.point-icon{
  width:44px;height:44px;border-radius:var(--r-md);background:var(--grad-soft);color:var(--brand-1);
  display:inline-flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px;
}
.point-card h3{font-size:19px;line-height:1.5;margin-bottom:14px}
.check-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-500);line-height:1.75;margin-bottom:10px}
.check-list li:last-child{margin-bottom:0}
.check-list .bi{color:var(--brand-3);font-size:16px;line-height:1.7;flex:0 0 auto}

/* ---------- 耗时参考 ---------- */
.rhythm{background:var(--surface)}
.rhythm-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.rhythm-figure{margin:0}
.rhythm-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-2);
}
.rhythm-figure figcaption{margin-top:12px;font-size:13px;color:var(--ink-300);text-align:center}
.bar-row{display:flex;align-items:center;gap:16px;margin-bottom:22px}
.bar-row:last-child{margin-bottom:0}
.bar-label{width:100px;flex:0 0 auto;font-size:13px;font-weight:600;color:var(--ink-500)}
.bar-track{flex:1 1 auto;height:10px;border-radius:var(--r-pill);background:var(--line);overflow:hidden}
.bar-fill{height:100%;border-radius:var(--r-pill);display:block}
.bar-fill.b1{background:var(--brand-1)}
.bar-fill.b2{background:var(--brand-3)}
.bar-fill.b3{background:var(--brand-4)}
.bar-value{font-size:13px;font-weight:700;color:var(--ink-900);font-variant-numeric:tabular-nums;flex:0 0 auto}
.rhythm-note{margin-top:26px;font-size:13px;color:var(--ink-300)}

/* ---------- 结尾 CTA ---------- */
.cta-section{padding:0 0 96px}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--grad-main);
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;box-shadow:var(--sh-3);
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.35) 1px,transparent 1px);
  background-size:18px 18px;opacity:.07;pointer-events:none;
}
.cta-band h2{color:#fff;font-size:24px;line-height:1.4;font-weight:700;position:relative;z-index:1;padding:0}
.cta-band h2::before{display:none}
.cta-band p{color:rgba(255,255,255,.85);font-size:15px;margin-top:10px;position:relative;z-index:1}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;position:relative;z-index:1}
.btn-white{
  display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 28px;
  border-radius:var(--r-pill);background:#fff;color:var(--brand-1);font-size:15px;font-weight:700;border:0;
  transition:transform .22s ease,box-shadow .22s ease;
}
.btn-white:hover{color:var(--brand-1);transform:translateY(-2px);box-shadow:0 14px 30px rgba(23,16,46,.22)}
.btn-ghost-white{
  display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 28px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.14);border:1.5px solid rgba(255,255,255,.55);
  color:#fff;font-size:15px;font-weight:600;
  transition:background .22s ease,transform .22s ease;
}
.btn-ghost-white:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--grad-dark);border-radius:32px 32px 0 0;padding:64px 0 24px;color:#EDE9FB;
  margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-logo{margin-bottom:16px}
.footer-brand .seg-b{color:#fff}
.footer-brand .logo-text{font-size:19px}
.footer-desc{font-size:14px;line-height:1.85;color:#A79FC6;max-width:320px}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a,.footer-links span{font-size:14px;color:#A79FC6;transition:color .2s ease}
.footer-links a:hover{color:#fff}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:#A79FC6}
.footer-bottom .right{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom .right a{font-size:13px;color:#A79FC6}
.footer-bottom .right a:hover{color:#fff}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--grad-main);color:#fff;border:0;font-size:20px;
  display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease,transform .2s ease;z-index:1040;
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-3px)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .page-hero h1{font-size:30px}
  .rhythm-grid{grid-template-columns:1fr;gap:32px}
  .points-grid{grid-template-columns:1fr 1fr}
  .cta-band{flex-direction:column;align-items:flex-start}
}
@media (max-width:767.98px){
  .section{padding:56px 0}
  .page-hero{padding:40px 0 36px}
  .page-hero h1{font-size:24px}
  .hero-note{font-size:15px}
  .section-head h2{font-size:22px}
  .section-head h2::before{top:4px;height:20px}
  .brandbar-inner{min-height:60px}
  .points-grid{grid-template-columns:1fr}
  .cta-band{padding:32px;border-radius:var(--r-lg)}
  .cta-band h2{font-size:20px}
  .cta-actions{width:100%;flex-direction:column}
  .btn-white,.btn-ghost-white{width:100%}
  .timeline{padding-left:44px}
  .timeline::before{left:15px}
  .tl-badge{left:-44px;width:32px;height:32px;font-size:13px}
  .tl-card{padding:22px 20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
  .footer-col:last-child{grid-column:auto}
  .site-footer{padding:48px 0 20px;border-radius:24px 24px 0 0}
  .bar-label{width:84px;font-size:12.5px}
}
@media (max-width:519.98px){
  body{font-size:16px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{right:16px;bottom:16px}
  .brand-actions{gap:10px}
}

/* roulang page: category3 */
:root{
  --brand-1:#6C3BF4;
  --brand-2:#FF4F87;
  --brand-3:#12D9B8;
  --brand-4:#FFB53D;
  --ink-900:#17102E;
  --ink-700:#382F55;
  --ink-500:#6B6485;
  --ink-300:#A9A3BE;
  --line:#E7E3F2;
  --bg:#F6F4FC;
  --surface:#FFFFFF;
  --grad-main:linear-gradient(120deg,#6C3BF4 0%,#A63BF0 45%,#FF4F87 100%);
  --grad-soft:linear-gradient(135deg,rgba(108,59,244,.10),rgba(255,79,135,.10));
  --grad-dark:linear-gradient(140deg,#1D1240 0%,#2A1656 55%,#3A1A55 100%);
  --sh-1:0 2px 8px rgba(23,16,46,.06);
  --sh-2:0 10px 28px rgba(23,16,46,.10);
  --sh-3:0 24px 56px rgba(23,16,46,.16);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-3);outline-offset:2px}
.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1400px){.site-container{max-width:1280px}}
@media (max-width:575px){.site-container{padding:0 16px}}

/* ---------- 品牌行 ---------- */
.site-header{position:relative;z-index:1040}
.brand-bar{background:var(--surface);border-bottom:1px solid var(--line)}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.brand-logo{display:inline-flex;align-items:center;gap:10px;min-height:44px}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-main);color:#fff;
  font-size:19px;font-weight:800;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);flex:0 0 auto;
}
.logo-text{display:inline-flex;align-items:baseline;font-size:20px;letter-spacing:-.2px;color:var(--ink-900)}
.seg-a{font-weight:800}
.seg-b{font-weight:600}
.seg-dot{width:6px;height:6px;border-radius:50%;background:var(--grad-main);margin:0 7px;transform:translateY(-4px)}
.brand-actions{display:flex;align-items:center;gap:8px}
.brand-link{font-size:15px;font-weight:600;color:var(--ink-500);padding:10px 12px;border-radius:var(--r-pill);transition:color .2s ease,background .2s ease}
.brand-link:hover{color:var(--brand-1);background:var(--grad-soft)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1.5px solid var(--line);background:var(--surface);color:var(--ink-900);
  font-size:20px;align-items:center;justify-content:center;transition:.2s ease;
}
.nav-toggle:hover{border-color:var(--brand-1);color:var(--brand-1)}
@media (max-width:991px){
  .brand-inner{height:60px}
  .brand-link{display:none}
  .nav-toggle{display:inline-flex}
}

/* ---------- 频道行 ---------- */
.channel-bar{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.95);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:56px}
.channel-nav{display:flex;align-items:stretch;gap:4px;height:100%;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;display:inline-flex;align-items:center;height:100%;padding:0 16px;
  font-size:15px;font-weight:600;color:var(--ink-500);white-space:nowrap;transition:color .22s ease;
}
.channel-link::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;border-radius:var(--r-pill);
  background:var(--grad-main);transform:scaleX(0);transform-origin:left center;transition:transform .22s var(--ease);
}
.channel-link:hover{color:var(--brand-1)}
.channel-link:hover::after{transform:scaleX(1)}
.channel-link.active{color:var(--brand-1)}
.channel-link.active::after{transform:scaleX(1)}
.channel-tools{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--surface);color:var(--ink-500);display:inline-flex;align-items:center;justify-content:center;
  transition:.2s var(--ease);
}
.icon-btn:hover{color:var(--brand-1);border-color:var(--brand-1);background:var(--grad-soft)}
@media (max-width:991px){
  .channel-nav{-webkit-mask-image:linear-gradient(90deg,transparent,#000 12px,#000 calc(100% - 12px),transparent);mask-image:linear-gradient(90deg,transparent,#000 12px,#000 calc(100% - 12px),transparent)}
  .channel-link{padding:0 12px}
  .channel-link::after{left:12px;right:12px}
}

/* ---------- 移动抽屉 ---------- */
#mobileNav{background:var(--grad-dark);color:#EDE9FB;width:300px;border-radius:24px 0 0 24px;border:0}
#mobileNav .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.08);padding:16px 20px}
#mobileNav .offcanvas-title{font-size:16px;font-weight:700;color:#fff}
#mobileNav .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.8}
.m-nav{display:flex;flex-direction:column;padding:8px 0}
.m-nav a{display:flex;align-items:center;height:48px;padding:0 20px;font-size:15px;font-weight:600;color:#EDE9FB;border-bottom:1px solid rgba(255,255,255,.08);transition:.2s}
.m-nav a:hover,.m-nav a.active{background:rgba(255,255,255,.08);color:#fff}
.m-nav a.active{box-shadow:inset 3px 0 0 0 #12D9B8}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;
  border:0;border-radius:var(--r-pill);background:var(--grad-main);color:#fff;font-size:15px;font-weight:600;
  cursor:pointer;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s ease,filter .24s ease;
}
.btn-main:hover{transform:translateY(-2px);box-shadow:var(--sh-2);filter:saturate(1.08) brightness(1.04);color:#fff}
.btn-main:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-main i{font-size:16px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
  border:1.5px solid var(--line);border-radius:var(--r-pill);background:transparent;color:var(--ink-900);
  font-size:15px;font-weight:600;cursor:pointer;transition:.22s var(--ease);
}
.btn-ghost:hover{background:var(--grad-soft);border-color:var(--brand-1);color:var(--brand-1)}
.btn-text{
  position:relative;display:inline-flex;align-items:center;gap:6px;min-height:44px;
  color:var(--brand-1);font-size:15px;font-weight:600;
}
.btn-text::after{content:"";position:absolute;left:0;bottom:8px;height:1.5px;width:40%;background:var(--grad-main);transition:width .24s var(--ease)}
.btn-text:hover::after{width:100%}
@media (max-width:991px){.btn-main,.btn-ghost{height:42px;padding:0 22px}}
@media (max-width:575px){.btn-main,.btn-ghost{height:44px;width:100%}}

/* ---------- 标签 / 胶囊 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(108,59,244,.10);color:var(--brand-1);font-size:13px;font-weight:600;
}
.chip.on-dark{background:rgba(255,255,255,.12);color:#E4DEFB}

/* ---------- 分类页 Hero ---------- */
.pg-hero{position:relative;overflow:hidden;background:var(--grad-dark);color:#EDE9FB}
.pg-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:22px 22px;opacity:.75;
}
.pg-hero::after{
  content:"";position:absolute;width:520px;height:520px;right:-160px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,59,244,.55),rgba(108,59,244,0) 68%);pointer-events:none;
}
.pg-hero-inner{position:relative;z-index:2;padding:44px 0 26px}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;font-weight:600;color:#A79FC6;margin-bottom:14px}
.crumb a{color:#C9C1E8;transition:color .2s}
.crumb a:hover{color:#fff}
.crumb .sep{color:#6E648F}
.pg-title{font-size:34px;font-weight:800;line-height:1.35;color:#fff;max-width:860px;margin-bottom:14px}
.pg-sub{font-size:16.5px;line-height:1.85;color:#B9B0D8;max-width:660px;margin-bottom:22px}
.pg-tabs{display:flex;flex-wrap:wrap;gap:10px}
.pg-tab{
  display:inline-flex;align-items:center;height:40px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#C9C1E8;font-size:14px;font-weight:600;transition:.2s var(--ease);
}
.pg-tab:hover{border-color:var(--brand-3);color:#fff;transform:translateY(-2px)}
.pg-tab.current{background:var(--grad-main);border-color:transparent;color:#fff}
.pg-hero-bottom{position:relative;z-index:2;padding:26px 0 72px}
.hero-note{font-size:16.5px;line-height:1.85;color:#B9B0D8;max-width:520px;margin-bottom:20px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px}
.stat-badge{
  display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border-radius:var(--r-pill);
}
.stat-badge.dark{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18)}
.stat-badge.dark i{font-size:16px;color:var(--brand-3)}
.stat-badge.dark i.amber{color:var(--brand-4)}
.stat-num{
  font-size:26px;font-weight:800;line-height:1;
  background:var(--grad-main);-webkit-background-clip:text;background-clip:text;
  color:#6C3BF4;-webkit-text-fill-color:transparent;
}
.stat-unit{font-size:12px;color:#B9B0D8}
.stat-label{font-size:13px;color:#B9B0D8}
.hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.14);box-shadow:var(--sh-3);
}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
@media (max-width:991px){
  .pg-hero-inner{padding:32px 0 20px}
  .pg-title{font-size:26px}
  .pg-hero-bottom{padding:20px 0 56px}
}
@media (max-width:575px){
  .pg-title{font-size:24px}
  .pg-sub,.hero-note{font-size:15.5px}
  .stat-num{font-size:22px}
}

/* ---------- 板块 ---------- */
.section{padding:96px 0}
.section.is-white{background:var(--surface)}
.section.is-soft{background:var(--bg)}
@media (max-width:767px){.section{padding:56px 0}}
.sec-head{margin-bottom:36px}
.sec-title{
  position:relative;padding-left:18px;font-size:28px;font-weight:700;line-height:1.35;
  color:var(--ink-900);margin-bottom:12px;
}
.sec-title::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:24px;border-radius:2px;background:var(--grad-main)}
.sec-desc{font-size:15px;line-height:1.8;color:var(--ink-500);max-width:680px}
@media (max-width:767px){.sec-title{font-size:22px}}

/* ---------- 索引网格 ---------- */
.index-visual{
  border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2);border:1px solid var(--line);background:var(--surface);
}
.index-visual img{width:100%;aspect-ratio:4/3;object-fit:cover}
.index-visual-foot{padding:16px 18px;display:flex;align-items:center;gap:10px}
.index-visual-foot span{font-size:13.5px;color:var(--ink-500)}
.index-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.index-tile{
  display:flex;align-items:center;gap:14px;padding:18px 20px;min-height:84px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);cursor:pointer;
  transition:transform .24s var(--ease),box-shadow .24s ease,border-color .24s ease;
}
.index-tile:hover,.index-tile:focus-visible{
  transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(108,59,244,.35);
}
.index-tile .ic{
  width:40px;height:40px;border-radius:var(--r-pill);background:var(--grad-soft);color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;font-size:20px;flex:0 0 auto;
}
.index-tile .tx{font-size:15px;font-weight:600;color:var(--ink-900);line-height:1.45}
.index-tile .tx small{display:block;font-size:13px;font-weight:400;color:var(--ink-500);margin-top:2px}
@media (max-width:767px){.index-grid{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 24px;align-items:start}
.faq-col{margin-bottom:0}
.faq-acc{
  --bs-accordion-border-color:transparent;
  --bs-accordion-bg:var(--surface);
  --bs-accordion-btn-bg:var(--surface);
  --bs-accordion-active-bg:var(--surface);
  --bs-accordion-active-color:var(--brand-1);
  --bs-accordion-btn-color:var(--ink-900);
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-btn-focus-border-color:transparent;
  --bs-accordion-body-padding-x:0;
  --bs-accordion-body-padding-y:0;
}
.faq-acc .accordion-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md) !important;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
}
.faq-acc .accordion-header{margin:0}
.faq-acc .accordion-button{
  background-color:var(--surface);
  background-image:none;
  background-repeat:no-repeat;
  background-position:left top;
  background-size:3px 100%;
  color:var(--ink-900);font-size:16px;font-weight:700;line-height:1.6;
  padding:20px 58px 20px 22px;border-radius:0 !important;box-shadow:none;
  transition:background-image .24s ease,color .24s ease;
}
.faq-acc .accordion-button:not(.collapsed){
  background-image:linear-gradient(180deg,#6C3BF4 0%,#FF4F87 100%);
  color:var(--brand-1);
}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--brand-3);outline-offset:-2px}
.faq-acc .accordion-button::after{
  content:"+";background-image:none !important;
  width:28px;height:28px;display:flex;align-items:center;justify-content:center;
  color:var(--brand-1);font-size:20px;font-weight:700;line-height:1;
  transition:transform .24s var(--ease),color .24s ease;
  margin-left:auto;flex:0 0 auto;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg);color:var(--brand-2)}
.faq-acc .accordion-body{
  padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--ink-500);
}
@media (max-width:991px){.faq-grid{grid-template-columns:1fr}}

/* ---------- 提示卡 ---------- */
.tip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tip-card{
  background:var(--grad-soft);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;
  transition:transform .24s var(--ease),box-shadow .24s ease,border-color .24s ease;
}
.tip-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(108,59,244,.35)}
.tip-card .ic{
  width:48px;height:48px;border-radius:var(--r-md);background:var(--surface);color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px;box-shadow:var(--sh-1);
}
.tip-card h3{font-size:19px;font-weight:700;line-height:1.5;color:var(--ink-900);margin-bottom:10px}
.tip-card p{font-size:14.5px;line-height:1.75;color:var(--ink-500)}
@media (max-width:991px){.tip-grid{grid-template-columns:1fr}}

/* ---------- CTA ---------- */
.cta-section{background:var(--bg);padding:0 0 96px}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--grad-main);
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-3);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.08;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);background-size:20px 20px;
}
.cta-band h2{position:relative;font-size:24px;font-weight:700;line-height:1.4;color:#fff;margin-bottom:10px}
.cta-band p{position:relative;font-size:15px;line-height:1.75;color:rgba(255,255,255,.88);max-width:560px}
.cta-actions{position:relative;display:flex;gap:12px;flex:0 0 auto;flex-wrap:wrap}
.btn-white{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
  border-radius:var(--r-pill);border:0;background:#fff;color:var(--brand-1);font-size:15px;font-weight:700;
  cursor:pointer;box-shadow:var(--sh-2);transition:.22s var(--ease);
}
.btn-white:hover{transform:translateY(-2px);box-shadow:var(--sh-3);color:var(--brand-2)}
.btn-line-white{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
  border-radius:var(--r-pill);border:1.5px solid rgba(255,255,255,.62);
  background:rgba(255,255,255,.14);color:#fff;font-size:15px;font-weight:600;
  cursor:pointer;transition:.22s var(--ease);
}
.btn-line-white:hover{background:rgba(255,255,255,.24);border-color:#fff}
@media (max-width:991px){
  .cta-section{padding:0 0 56px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px;gap:24px}
  .cta-actions{width:100%}
  .btn-white,.btn-line-white{width:100%;height:44px}
}
@media (max-width:575px){.cta-band h2{font-size:20px}}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--grad-dark);color:#EDE9FB;
  border-radius:32px 32px 0 0;padding:64px 0 0;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:48px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-mark{box-shadow:none}
.footer-desc{font-size:14.5px;line-height:1.8;color:#A79FC6;margin-top:16px;max-width:340px}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a,.footer-links span{font-size:14.5px;color:#A79FC6;line-height:1.7;transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#A79FC6;
}
.footer-bottom .right{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a{color:#A79FC6;transition:color .2s;min-height:24px;display:inline-flex;align-items:center}
.footer-bottom a:hover{color:#fff}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:575px){
  .site-footer{border-radius:24px 24px 0 0;padding-top:48px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border:0;border-radius:50%;
  background:var(--grad-main);color:#fff;font-size:20px;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);cursor:pointer;z-index:1050;opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-2px)}
@media (max-width:575px){.to-top{right:16px;bottom:16px}}