/* roulang page: index */
:root{
  --brand-coral:#FF5233;
  --brand-rose:#F0357A;
  --brand-violet:#8B2FD6;
  --brand-grad:linear-gradient(120deg,#FF5233 0%,#F0357A 48%,#8B2FD6 100%);
  --brand-grad-soft:linear-gradient(120deg,rgba(255,82,51,.12),rgba(139,47,214,.12));
  --accent-mint:#10C7A8;
  --accent-amber:#FFC53D;
  --ink:#17122B;
  --ink-2:#5B5470;
  --ink-3:#948CAB;
  --bg:#FFF8F4;
  --bg-2:#FFFFFF;
  --line:#F1E7EF;
  --dark:#17122B;
  --dark-2:#201938;
  --sh-1:0 6px 20px rgba(23,18,43,.06);
  --sh-2:0 16px 40px rgba(240,53,122,.14);
  --sh-3:0 24px 64px rgba(23,18,43,.18);
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{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-rose);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.bg-white-block{background:var(--bg-2)}

/* ============ 排版 ============ */
.h1{font-size:clamp(30px,5vw,52px);line-height:1.25;font-weight:800;letter-spacing:-.015em}
.h2{font-size:clamp(24px,3.2vw,36px);line-height:1.3;font-weight:700;letter-spacing:-.01em}
.h3{font-size:21px;line-height:1.5;font-weight:600}
.lead{font-size:17px;line-height:1.85;color:var(--ink-2)}
.body-text{font-size:16px;line-height:1.85;color:var(--ink-2)}
.small-text{font-size:14px;line-height:1.7;color:var(--ink-3)}
.xs-text{font-size:12px;line-height:1.6;color:var(--ink-3)}
.grad-text{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.num{font-variant-numeric:tabular-nums}
.sec-head{max-width:820px;margin-bottom:40px}
.sec-head .h2{margin-bottom:14px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brand-rose);text-transform:uppercase}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;font-size:15px;line-height:1;
  padding:14px 28px;border:1px solid transparent;cursor:pointer;
  transition:all .25s var(--ease);white-space:nowrap;
}
.btn-primary{background-image:var(--brand-grad);background-size:180% 100%;background-position:0% 50%;color:#fff;box-shadow:0 8px 24px rgba(240,53,122,.22)}
.btn-primary:hover{background-position:100% 50%;box-shadow:var(--sh-2);transform:translateY(-2px)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand-rose);color:var(--brand-rose);box-shadow:var(--sh-1)}
.btn-light{background:#fff;color:var(--brand-rose);font-weight:700}
.btn-light:hover{box-shadow:0 12px 30px rgba(23,18,43,.22);transform:translateY(-2px)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-rose);border-bottom:1px solid transparent;transition:.25s var(--ease)}
.link-arrow:hover{border-bottom-color:var(--brand-rose);gap:10px}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.6;background:var(--brand-grad-soft);color:var(--brand-violet)}
.badge-outline{background:#fff;border:1px solid var(--line);color:var(--ink-2)}
.badge-glass{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.92);color:var(--brand-violet);backdrop-filter:blur(4px);z-index:2}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}

/* ============ 头部 ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:80;background:transparent;transition:background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);border-bottom:1px solid transparent}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.nav-wrap{position:relative;display:flex;align-items:center;justify-content:space-between;height:78px;transition:height .3s var(--ease)}
.site-header.is-scrolled .nav-wrap{height:68px}
.nav-side{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:44px;font-size:15px;color:var(--ink-2);transition:color .25s var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;border-radius:2px;background:var(--brand-grad);transform:scaleX(0);transform-origin:center;transition:transform .25s var(--ease)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.brand{position:absolute;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:10px}
.brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;background-image:var(--brand-grad);display:grid;place-items:center;box-shadow:0 8px 20px rgba(240,53,122,.24)}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-text small{font-size:11px;color:var(--ink-3);letter-spacing:.14em;white-space:nowrap}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);position:relative;transition:.25s var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:.25s var(--ease)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-cta-mobile{display:none}

.notice-bar{background:var(--brand-grad-soft);border-top:1px solid rgba(240,53,122,.10);height:36px;display:flex;align-items:center;font-size:13px;color:var(--ink-2)}
.notice-bar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.notice-bar p{margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.notice-close{border:0;background:transparent;cursor:pointer;color:var(--ink-3);font-size:16px;line-height:1;padding:4px 6px}
.notice-close:hover{color:var(--brand-rose)}

/* ============ 抽屉 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(23,18,43,.55);opacity:0;visibility:hidden;transition:.3s var(--ease);z-index:90}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;left:0;bottom:0;width:82vw;max-width:340px;background:#fff;z-index:95;transform:translateX(-102%);transition:transform .32s var(--ease);display:flex;flex-direction:column;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-head{padding:20px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.drawer-close{border:0;background:var(--bg);width:34px;height:34px;border-radius:10px;cursor:pointer;color:var(--ink-2);font-size:18px;line-height:1}
.drawer-nav{padding:8px 0}
.drawer-nav a{display:flex;align-items:center;height:52px;padding:0 22px;font-size:15px;color:var(--ink-2);border-bottom:1px solid var(--line);transition:.2s var(--ease)}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--brand-violet);background:var(--bg)}
.drawer-body{padding:22px;display:flex;flex-direction:column;gap:16px}
.drawer-foot{margin-top:auto;padding:20px 22px;border-top:1px solid var(--line);font-size:12px;color:var(--ink-3);line-height:1.9}

/* ============ Hero ============ */
.hero{padding:150px 0 80px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-160px;right:-120px;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle at center,rgba(240,53,122,.16),rgba(139,47,214,.06) 55%,transparent 72%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);gap:56px;align-items:center;position:relative}
.hero h1{margin-bottom:20px}
.hero .lead{max-width:36em;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.trust-row{display:flex;flex-wrap:wrap;gap:12px}
.trust-chip{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--ink-2);box-shadow:var(--sh-1)}
.trust-chip i{width:8px;height:8px;border-radius:50%;background-image:var(--brand-grad);display:inline-block}

.hero-visual{position:relative}
.hero-visual .visual-frame{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:5/4;box-shadow:var(--sh-3)}
.hero-visual .visual-frame img{width:100%;height:100%;object-fit:cover}
.hero-visual .visual-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(23,18,43,.78),rgba(23,18,43,.28) 52%,rgba(23,18,43,0))}
.hero-float{position:absolute;left:-28px;bottom:-28px;background:#fff;border-radius:var(--r-md);box-shadow:var(--sh-3);padding:22px 24px;max-width:320px;z-index:3}
.hero-float h3{font-size:16px;font-weight:700;margin-bottom:10px}
.hero-float ul{display:flex;flex-direction:column;gap:8px}
.hero-float li{display:flex;gap:8px;font-size:13px;line-height:1.7;color:var(--ink-2)}
.hero-float li::before{content:"";width:6px;height:6px;border-radius:50%;background-image:var(--brand-grad);margin-top:9px;flex:0 0 6px}
.stat-pill{position:absolute;background:#fff;border-radius:var(--r-sm);box-shadow:var(--sh-3);padding:12px 16px;display:flex;flex-direction:column;gap:2px;z-index:3}
.stat-pill strong{font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-pill span{font-size:11px;color:var(--ink-3);letter-spacing:.04em}
.stat-pill.pill-a{top:26px;right:-18px}
.stat-pill.pill-b{top:50%;right:-34px;transform:translateY(-50%)}

/* ============ 痛点卡 ============ */
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.pain-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px 28px;box-shadow:var(--sh-1);transition:.25s var(--ease);display:flex;flex-direction:column;gap:14px}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:transparent}
.pain-num{width:48px;height:48px;border-radius:14px;background:var(--brand-grad-soft);display:grid;place-items:center;font-size:18px;font-weight:800;font-variant-numeric:tabular-nums;background-image:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;position:relative}
.pain-num::before{content:"";position:absolute;inset:0;border-radius:14px;background:var(--brand-grad-soft);z-index:-1}
.pain-card h3{font-size:18px;font-weight:600}
.pain-card p{font-size:14px;line-height:1.8;color:var(--ink-2)}

/* ============ 交错图文 ============ */
.zigzag{display:flex;flex-direction:column;gap:72px}
.zig-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
.zig-row.reverse .zig-media{order:2}
.zig-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.zig-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.zig-media:hover img{transform:scale(1.04)}
.zig-media.r43{aspect-ratio:4/3}
.zig-media.r32{aspect-ratio:3/2}
.zig-text h3{margin-bottom:16px}
.zig-text .body-text{margin-bottom:20px}
.point-list{display:flex;flex-direction:column;gap:14px;margin-bottom:24px}
.point-list li{display:flex;gap:12px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.point-list li::before{content:"";width:9px;height:9px;border-radius:50%;background-image:var(--brand-grad);flex:0 0 9px;margin-top:9px}

/* ============ 深色数据区 ============ */
.dark-band{background:var(--dark);color:#fff;position:relative;overflow:hidden}
.dark-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(120deg,rgba(139,47,214,.28),rgba(255,82,51,.10) 60%,transparent);pointer-events:none}
.dark-band .container{position:relative;z-index:2}
.dark-band .h2{color:#fff}
.dark-band .body-text{color:rgba(255,255,255,.72)}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px}
.metric{border:1px solid rgba(255,255,255,.10);border-radius:var(--r-md);padding:26px 22px;background:rgba(255,255,255,.02);transition:.25s var(--ease)}
.metric:hover{background:rgba(255,255,255,.06);transform:translateY(-4px)}
.metric strong{display:block;font-size:clamp(32px,4vw,44px);font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.metric em{font-style:normal;font-size:13px;color:rgba(255,255,255,.6);margin-left:4px}
.metric p{margin-top:10px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.66)}
.flow-line{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:48px}
.flow-step{display:inline-flex;align-items:center;gap:10px;padding:12px 20px;border-radius:999px;border:1px solid rgba(255,255,255,.12);font-size:14px;color:rgba(255,255,255,.85)}
.flow-step b{width:22px;height:22px;border-radius:50%;background:var(--brand-grad);display:grid;place-items:center;font-size:12px;color:#fff;font-weight:700}
.flow-dash{width:36px;height:2px;background-image:linear-gradient(90deg,rgba(255,82,51,.6),rgba(139,47,214,.6));background-size:10px 2px;background-repeat:repeat-x}

/* ============ 证言 ============ */
.voice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.voice-card{background:#fff;border-radius:var(--r-md);box-shadow:var(--sh-1);padding:28px;transition:.25s var(--ease);position:relative}
.voice-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px)}
.voice-card:nth-child(2){margin-top:24px}
.voice-top{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.voice-top img{width:56px;height:56px;border-radius:50%;object-fit:cover}
.voice-name{font-size:15px;font-weight:700}
.voice-role{font-size:12px;color:var(--ink-3)}
.voice-quote{font-size:15px;line-height:1.9;color:var(--ink-2)}
.voice-star{position:absolute;top:24px;right:24px;color:var(--accent-amber);font-size:14px;letter-spacing:2px}

/* ============ 最新信息 ============ */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;transition:.25s var(--ease);position:relative}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-cover{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:var(--bg)}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.news-card:hover .news-cover img{transform:scale(1.05)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-title{font-size:17px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a:hover{color:var(--brand-rose)}
.news-summary{font-size:14px;line-height:1.8;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:var(--ink-3)}
.news-meta .link-arrow{font-size:13px}
.news-card-lead{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr)}
.news-card-lead .news-cover{aspect-ratio:auto;min-height:280px;height:100%}
.news-card-lead .news-body{padding:34px 36px}
.news-card-lead .news-title{font-size:24px;-webkit-line-clamp:3}
.news-card-lead .news-summary{-webkit-line-clamp:4}
.news-empty{background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-1);min-height:320px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center;padding:40px}
.news-empty svg{width:96px;height:96px;opacity:.7}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:16px;max-width:900px;margin:0 auto}
.faq-item{background:#fff;border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;position:relative;transition:.25s var(--ease)}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background-image:var(--brand-grad);transform:scaleY(0);transform-origin:top;transition:transform .3s var(--ease)}
.faq-item.is-open::before{transform:scaleY(1)}
.faq-q{width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 24px;background:transparent;border:0;cursor:pointer;text-align:left;font-size:16px;font-weight:600;color:var(--ink);transition:.2s var(--ease)}
.faq-q:hover{color:var(--brand-rose)}
.faq-arrow{flex:0 0 22px;width:22px;height:22px;display:grid;place-items:center;color:var(--brand-rose);transition:transform .3s var(--ease)}
.faq-item.is-open .faq-arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a-inner{padding:0 24px 22px;font-size:14px;line-height:1.9;color:var(--ink-2);border-top:1px dashed var(--line);padding-top:16px}

/* ============ 表单 ============ */
.contact-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.9fr);gap:48px;align-items:start}
.form-card{background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:32px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:13px;font-weight:600;color:var(--ink-2)}
.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:var(--r-sm);padding:13px 16px;font-size:14px;background:var(--bg);transition:.2s var(--ease)}
.field textarea{min-height:120px;resize:vertical;line-height:1.8}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand-rose);background:#fff;box-shadow:0 0 0 3px rgba(240,53,122,.12)}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.form-note{font-size:12px;color:var(--ink-3);margin-top:14px;line-height:1.7}
.trust-list{display:flex;flex-direction:column;gap:18px}
.trust-item{background:#fff;border-radius:var(--r-md);box-shadow:var(--sh-1);padding:22px 24px;display:flex;gap:16px;transition:.25s var(--ease)}
.trust-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.trust-icon{flex:0 0 42px;width:42px;height:42px;border-radius:13px;background:var(--brand-grad-soft);display:grid;place-items:center;color:var(--brand-violet);font-weight:800;font-size:15px}
.trust-item h3{font-size:15px;font-weight:700;margin-bottom:6px}
.trust-item p{font-size:13px;line-height:1.75;color:var(--ink-2)}

/* ============ CTA 条 ============ */
.cta-band{padding:0 0 88px}
.cta-inner{position:relative;border-radius:var(--r-lg);background-image:var(--brand-grad);overflow:hidden;padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;box-shadow:var(--sh-3)}
.cta-inner::after{content:"";position:absolute;inset:0;opacity:.16;background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);background-size:14px 14px;pointer-events:none}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.4;font-weight:700;max-width:22em;position:relative;z-index:2}
.cta-inner p{color:rgba(255,255,255,.88);font-size:14px;margin-top:10px;position:relative;z-index:2}
.cta-inner .btn{position:relative;z-index:2}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text small{color:rgba(255,255,255,.5)}
.footer-brand .brand-mark{box-shadow:none}
.footer-desc{margin-top:20px;font-size:13px;line-height:1.95;color:rgba(255,255,255,.6);max-width:34ch}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:13.5px;color:rgba(255,255,255,.66);transition:.2s var(--ease)}
.footer-links a:hover{color:var(--accent-mint)}
.footer-sub p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.6);margin-bottom:16px}
.sub-form{display:flex;gap:10px}
.sub-form input{flex:1;min-width:0;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);border-radius:999px;padding:12px 18px;font-size:13px;color:#fff}
.sub-form input::placeholder{color:rgba(255,255,255,.45)}
.sub-form input:focus{outline:none;border-color:var(--brand-rose);background:rgba(255,255,255,.1)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:24px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;font-size:12.5px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--accent-mint)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-side{display:none}
  .brand{position:static;transform:none}
  .nav-toggle{display:flex}
  .nav-cta-mobile{display:inline-flex}
  .nav-wrap{height:56px}
  .site-header.is-scrolled .nav-wrap{height:56px}
  .brand-mark{width:34px;height:34px;flex-basis:34px}
  .brand-text strong{font-size:15px}
  .brand-text small{font-size:10px}
  .hero{padding:104px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-float{position:static;max-width:none;margin-top:20px;box-shadow:var(--sh-1)}
  .stat-pill{display:none}
  .pain-grid{grid-template-columns:repeat(2,1fr)}
  .zig-row{grid-template-columns:1fr;gap:28px}
  .zig-row.reverse .zig-media{order:0}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .voice-grid{grid-template-columns:1fr}
  .voice-card:nth-child(2){margin-top:0}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .news-card-lead{grid-template-columns:1fr}
  .news-card-lead .news-cover{min-height:220px;aspect-ratio:16/9}
  .news-card-lead .news-body{padding:24px}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .cta-inner{padding:40px 32px}
}
@media (max-width:639px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .section-tight{padding:40px 0}
  .hero{padding:96px 0 48px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .trust-chip{width:100%;justify-content:flex-start}
  .pain-grid{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:1fr 1fr}
  .news-grid{grid-template-columns:1fr}
  .news-card-lead .news-title{font-size:20px}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .cta-inner{padding:32px 22px;flex-direction:column;align-items:flex-start}
  .cta-inner .btn{width:100%}
  .sub-form{flex-direction:column}
  .faq-q{padding:14px 18px;font-size:15px}
  .faq-a-inner{padding:14px 18px 20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --brand-coral:#FF5233;
  --brand-rose:#F0357A;
  --brand-violet:#8B2FD6;
  --brand-grad:linear-gradient(120deg,#FF5233 0%,#F0357A 48%,#8B2FD6 100%);
  --brand-grad-soft:linear-gradient(120deg,rgba(255,82,51,.12),rgba(139,47,214,.12));
  --accent-mint:#10C7A8;
  --accent-amber:#FFC53D;
  --ink:#17122B;
  --ink-2:#5B5470;
  --ink-3:#948CAB;
  --bg:#FFF8F4;
  --bg-2:#FFFFFF;
  --line:#F1E7EF;
  --dark:#17122B;
  --dark-2:#201938;
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --sh-1:0 6px 20px rgba(23,18,43,.06);
  --sh-2:0 16px 40px rgba(240,53,122,.14);
  --sh-3:0 24px 64px rgba(23,18,43,.18);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand-rose);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,248,244,.94);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;height:78px;position:relative}
.nav-side{display:flex;align-items:center;gap:28px}
.nav-left{flex:1 1 0;justify-content:flex-start}
.nav-right{flex:1 1 0;justify-content:flex-end;gap:18px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;
  font-size:15px;color:var(--ink-2);white-space:nowrap;
  transition:color .25s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;border-radius:2px;
  background:var(--brand-grad);transform:scaleX(0);transform-origin:left;
  transition:transform .25s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.brand{display:flex;align-items:center;gap:10px;white-space:nowrap}
.brand-mark{
  width:42px;height:42px;border-radius:13px;background:var(--brand-grad);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:0 8px 20px rgba(240,53,122,.24);
}
.brand-mark svg{width:24px;height:24px}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.2px;color:var(--ink)}
.brand-text small{font-size:11px;letter-spacing:3px;color:var(--ink-3)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s var(--ease)}
.nav-toggle:hover{border-color:var(--brand-rose);box-shadow:var(--sh-1)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:14px 28px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:background-position .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),background-color .25s var(--ease);
}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-primary{background-image:var(--brand-grad);background-size:200% 100%;background-position:0 0;color:#fff;box-shadow:0 10px 24px rgba(240,53,122,.22)}
.btn-primary:hover{background-position:100% 0;box-shadow:var(--sh-2);transform:translateY(-1px)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand-rose);color:var(--brand-rose);box-shadow:var(--sh-1)}
.btn-white{background:#fff;color:var(--brand-rose);font-weight:700;box-shadow:0 12px 28px rgba(23,18,43,.14)}
.btn-white:hover{transform:translateY(-1px);box-shadow:0 18px 36px rgba(23,18,43,.2)}

/* ---------- 抽屉 ---------- */
.nav-mask{
  position:fixed;inset:0;background:rgba(23,18,43,.55);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.nav-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;left:0;bottom:0;width:82vw;max-width:340px;background:#fff;z-index:90;
  transform:translateX(-100%);transition:transform .3s var(--ease);
  box-shadow:var(--sh-3);overflow-y:auto;padding:22px 22px 32px;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;gap:10px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-links{display:flex;flex-direction:column;margin:10px 0 18px}
.drawer-links a{
  display:flex;align-items:center;height:52px;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--ink-2);transition:color .25s var(--ease),padding-left .25s var(--ease);
}
.drawer-links a:hover{color:var(--brand-rose);padding-left:6px}
.drawer-links a.is-active{color:var(--ink);font-weight:600}
.drawer-cta{width:100%}
.drawer-foot{margin-top:22px;font-size:12px;line-height:1.9;color:var(--ink-3)}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);padding:26px 0 0;
}
.breadcrumb a{transition:color .25s var(--ease)}
.breadcrumb a:hover{color:var(--brand-rose)}
.breadcrumb .sep{color:#D8CDDE}
.breadcrumb .current{max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-2)}

/* ---------- 文章 ---------- */
.article-shell{padding:22px 0 0}
.article-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:44px 48px 40px;margin-top:20px;
}
.article-head{max-width:800px;margin:0 auto}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:6px 16px;border-radius:999px;
  background:var(--brand-grad-soft);color:var(--brand-violet);font-size:12px;font-weight:600;letter-spacing:.4px;
}
.article-head h1{
  font-size:clamp(28px,4vw,44px);line-height:1.28;font-weight:800;color:var(--ink);
  margin:16px 0 0;letter-spacing:-.2px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;
  font-size:13px;color:var(--ink-3);
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#D8CDDE;flex:0 0 auto}
.article-meta time{font-variant-numeric:tabular-nums}
.head-rule{height:1px;background:var(--line);margin:30px 0 0}

.article-body{max-width:780px;margin:34px auto 0;font-size:16px;line-height:1.9;color:var(--ink-2)}
.article-body p{margin:0 0 1.6em}
.article-body h2{
  position:relative;font-size:clamp(20px,2.4vw,26px);line-height:1.42;font-weight:700;
  color:var(--ink);margin:40px 0 18px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:4px;border-radius:4px;
  background:var(--brand-grad);
}
.article-body h3{font-size:20px;font-weight:600;color:var(--ink);margin:28px 0 12px}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink);margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.6em;padding-left:0;list-style:none}
.article-body ol{counter-reset:olc}
.article-body ul li,.article-body ol li{position:relative;padding-left:20px;margin-bottom:.55em;line-height:2}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.92em;width:8px;height:8px;border-radius:50%;
  background:var(--brand-grad);
}
.article-body ol li::before{
  counter-increment:olc;content:counter(olc);
  position:absolute;left:0;top:.5em;width:18px;height:18px;border-radius:6px;
  background:var(--brand-grad-soft);color:var(--brand-violet);
  font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;border-left:4px solid var(--brand-rose);
  background:#FFF3EC;border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--ink);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:26px auto;height:auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:12px;color:var(--ink-3);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:14px;overflow:hidden;border-radius:var(--r-sm)}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border:0}
.article-body thead th{background:#FFF1E8;color:var(--ink);font-weight:600}
.article-body tbody tr:nth-child(even){background:#FFFBF8}
.article-body a{color:var(--brand-rose);font-weight:600;box-shadow:inset 0 -1px 0 rgba(240,53,122,.35);transition:color .25s var(--ease),box-shadow .25s var(--ease)}
.article-body a:hover{color:var(--brand-violet);box-shadow:inset 0 -2px 0 rgba(139,47,214,.5)}
.article-body hr{border:0;height:1px;background:var(--line);margin:34px 0}

.empty-state{
  min-height:320px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;text-align:center;padding:40px 20px;color:var(--ink-2);
}
.empty-illus{
  width:120px;height:88px;border-radius:16px;border:2px dashed var(--line);
  background:var(--brand-grad-soft);
}
.empty-state p{margin:0;font-size:15px;color:var(--ink-2)}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;max-width:780px;margin:36px auto 0}
.tag{
  padding:7px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:13px;color:var(--ink-2);transition:border-color .25s var(--ease),color .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease);
}
.tag:hover{border-color:var(--brand-rose);color:var(--brand-rose);box-shadow:var(--sh-1);transform:translateY(-2px)}

/* ---------- 上下篇 ---------- */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:34px}
.pager-card{
  display:block;padding:22px 24px;border-radius:var(--r-md);background:#fff;
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.pager-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#F6D9E6}
.pager-card span{display:block;font-size:12px;color:var(--ink-3);letter-spacing:.4px}
.pager-card strong{display:block;margin-top:8px;font-size:15px;font-weight:600;line-height:1.55;color:var(--ink)}
.pager-card.next{text-align:right}

.back-row{text-align:center;margin-top:34px}
.link-arrow{
  position:relative;display:inline-block;font-size:14px;font-weight:600;color:var(--brand-rose);
  padding-bottom:4px;
}
.link-arrow::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor;
  transition:height .25s var(--ease),background .25s var(--ease);
}
.link-arrow:hover::after{height:2px;background:var(--brand-grad)}

/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,3.2vw,34px);line-height:1.3;font-weight:700;color:var(--ink);margin:0 0 12px}
.section-head p{margin:0;font-size:15px;line-height:1.9;color:var(--ink-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:2px;
  color:var(--brand-rose);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand-grad)}

/* ---------- 相关推荐 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:#F7F1F4}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.05)}
.rel-body{padding:18px 20px 22px}
.rel-body h3{font-size:16px;font-weight:600;line-height:1.55;color:var(--ink);margin:0 0 12px}
.rel-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink-3)}
.rel-meta .mini-tag{
  padding:3px 10px;border-radius:999px;background:var(--brand-grad-soft);
  color:var(--brand-violet);font-weight:600;
}

/* ---------- CTA ---------- */
.cta-band{padding:0 24px;margin:0 auto 88px;max-width:1240px}
.cta-inner{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background-image:var(--brand-grad);
  padding:46px 52px;display:flex;align-items:center;justify-content:space-between;gap:30px;
  box-shadow:0 24px 60px rgba(240,53,122,.24);color:#fff;
}
.cta-inner::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.28;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:14px 14px;
}
.cta-copy{position:relative;z-index:1;max-width:640px}
.cta-copy h2{margin:0 0 10px;font-size:clamp(22px,3vw,30px);line-height:1.34;font-weight:700;color:#fff}
.cta-copy p{margin:0;font-size:15px;line-height:1.85;color:rgba(255,255,255,.9)}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text small{color:rgba(255,255,255,.5)}
.footer-desc{margin:18px 0 0;font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:34ch}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.4px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68);transition:color .25s var(--ease),padding-left .25s var(--ease)}
.footer-links a:hover{color:var(--accent-mint);padding-left:4px}
.footer-sub p{margin:0 0 16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.66)}
.sub-form{display:flex;gap:10px;flex-wrap:wrap}
.sub-form input{
  flex:1 1 160px;min-width:0;height:44px;padding:0 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);
  color:#fff;font-size:14px;transition:border-color .25s var(--ease),background .25s var(--ease);
}
.sub-form input::placeholder{color:rgba(255,255,255,.42)}
.sub-form input:focus{outline:none;border-color:var(--accent-mint);background:rgba(255,255,255,.1)}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.45);
}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a{color:rgba(255,255,255,.55);transition:color .25s var(--ease)}
.footer-bottom a:hover{color:var(--accent-mint)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-left,.nav-right .nav-side,.nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .nav-wrap{height:64px}
  .brand-mark{width:38px;height:38px;border-radius:12px}
  .brand-text strong{font-size:15px}
  .nav-right{flex:0 0 auto;gap:12px}
  .section{padding:64px 0}
  .article-card{padding:34px 28px 30px}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{margin-bottom:64px}
}
@media (max-width:768px){
  body{font-size:15px}
  .container{padding:0 18px}
  .nav-wrap{height:60px}
  .brand-text strong{font-size:14px}
  .brand-text small{font-size:10px;letter-spacing:2px}
  .nav-cta{display:none}
  .article-card{padding:26px 20px 24px;border-radius:var(--r-md)}
  .pager{grid-template-columns:1fr}
  .pager-card.next{text-align:left}
  .rel-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:34px 26px;text-align:left}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:52px}
  .section{padding:48px 0}
  .cta-band{margin-bottom:48px;padding:0 18px}
  .breadcrumb .current{max-width:100%;white-space:normal}
}
@media (max-width:520px){
  .brand-text strong{font-size:13px}
  .article-body{font-size:15px}
  .btn{padding:12px 22px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
    --brand-coral:#FF5233;
    --brand-rose:#F0357A;
    --brand-violet:#8B2FD6;
    --brand-grad:linear-gradient(120deg,#FF5233 0%,#F0357A 48%,#8B2FD6 100%);
    --brand-grad-soft:linear-gradient(120deg,rgba(255,82,51,.12),rgba(139,47,214,.12));
    --accent-mint:#10C7A8;
    --accent-amber:#FFC53D;
    --ink:#17122B;
    --ink-2:#5B5470;
    --ink-3:#948CAB;
    --bg:#FFF8F4;
    --bg-2:#FFFFFF;
    --line:#F1E7EF;
    --dark:#17122B;
    --dark-2:#201938;
    --r-lg:28px;
    --r-md:20px;
    --r-sm:14px;
    --sh-1:0 6px 20px rgba(23,18,43,.06);
    --sh-2:0 16px 40px rgba(240,53,122,.14);
    --sh-3:0 24px 64px rgba(23,18,43,.18);
    --ease:cubic-bezier(.2,.7,.3,1);
    --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:var(--font-sans);
    background:var(--bg);
    color:var(--ink);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  :focus-visible{outline:2px solid var(--brand-rose);outline-offset:2px;border-radius:6px}
  .tnum{font-variant-numeric:tabular-nums}

  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

  /* ---------- 顶栏 ---------- */
  .topbar{background:var(--brand-grad-soft);border-bottom:1px solid var(--line)}
  .topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;height:36px;font-size:13px;color:var(--ink-2)}
  .topbar-inner strong{color:var(--ink);font-weight:600}
  .topbar-close{font-size:13px;color:var(--ink-3);line-height:1;padding:4px 8px;border-radius:999px;transition:color .25s var(--ease)}
  .topbar-close:hover{color:var(--brand-rose)}
  @media (max-width:767px){.topbar-inner{font-size:12px}.topbar-close{display:none}}

  /* ---------- 导航 ---------- */
  .site-header{position:sticky;top:0;z-index:80;background:var(--bg);border-bottom:1px solid transparent;transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease)}
  .site-header.is-scrolled{background:var(--bg-2);border-bottom-color:var(--line);box-shadow:var(--sh-1)}
  .header-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:76px}
  .nav-side{display:flex;align-items:center;gap:28px}
  .nav-link{position:relative;display:inline-flex;align-items:center;height:44px;font-size:15px;color:var(--ink-2);transition:color .25s var(--ease);white-space:nowrap}
  .nav-link::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;border-radius:2px;background:var(--brand-grad);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease)}
  .nav-link:hover{color:var(--ink)}
  .nav-link:hover::after{transform:scaleX(1)}
  .nav-link.is-active{color:var(--ink);font-weight:600}
  .nav-link.is-active::after{transform:scaleX(1)}

  .brand{display:flex;align-items:center;gap:10px}
  .header-inner>.brand{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}
  .brand-mark{width:40px;height:40px;flex:none;border-radius:14px;background:var(--brand-grad);display:grid;place-items:center;box-shadow:0 8px 22px rgba(240,53,122,.28)}
  .brand-mark svg{width:22px;height:22px}
  .brand-text{display:flex;flex-direction:column;line-height:1.15}
  .brand-text strong{font-size:17px;font-weight:800;letter-spacing:.2px}
  .brand-text small{font-size:11px;letter-spacing:2px;color:var(--ink-3)}

  .menu-toggle{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;background:var(--bg-2)}
  .menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);position:relative}
  .menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink)}
  .menu-toggle span::before{top:-6px}
  .menu-toggle span::after{top:6px}
  .mobile-cta{display:none}

  @media (max-width:1023px){
    .nav-side{display:none}
    .menu-toggle{display:inline-flex}
    .mobile-cta{display:inline-flex}
    .header-inner{min-height:64px}
    .header-inner>.brand{position:static;transform:none}
    .brand-mark{width:34px;height:34px;border-radius:12px}
    .brand-text strong{font-size:15px}
    .brand-text small{font-size:10px;letter-spacing:1.4px}
    .header-right{display:flex;align-items:center;gap:10px}
  }
  @media (min-width:1024px){
    .header-right{margin-left:auto;display:flex;align-items:center;gap:28px}
  }

  /* 移动抽屉 */
  .mobile-drawer{position:fixed;top:0;left:0;bottom:0;width:82vw;max-width:340px;background:var(--bg-2);z-index:120;transform:translateX(-102%);transition:transform .3s var(--ease);padding:24px 20px;overflow-y:auto;box-shadow:var(--sh-3)}
  .mobile-drawer.is-open{transform:translateX(0)}
  .drawer-overlay{position:fixed;inset:0;background:rgba(23,18,43,.55);opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);z-index:110}
  .drawer-overlay.is-open{opacity:1;visibility:visible}
  .drawer-title{font-size:13px;letter-spacing:1px;color:var(--ink-3);margin:20px 0 8px}
  .drawer-nav a{display:flex;align-items:center;height:52px;font-size:15px;color:var(--ink-2);border-bottom:1px solid var(--line);transition:color .25s var(--ease),padding-left .25s var(--ease)}
  .drawer-nav a:hover{color:var(--brand-rose);padding-left:6px}
  .drawer-nav a.is-active{color:var(--ink);font-weight:600}
  .drawer-foot{margin-top:24px;font-size:13px;color:var(--ink-3);line-height:1.9}

  /* ---------- 按钮 ---------- */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:999px;font-size:15px;font-weight:600;line-height:1.2;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background-position .35s var(--ease),color .25s var(--ease),border-color .25s var(--ease);background-size:200% 100%;background-position:0 0;}
  .btn-primary{background-image:var(--brand-grad);color:#fff;box-shadow:0 10px 26px rgba(240,53,122,.26)}
  .btn-primary:hover{background-position:100% 0;box-shadow:var(--sh-2);transform:translateY(-2px)}
  .btn-ghost{background:var(--bg-2);border:1px solid var(--line);color:var(--ink)}
  .btn-ghost:hover{border-color:var(--brand-rose);color:var(--brand-rose);transform:translateY(-2px)}
  .btn-white{background:#fff;color:var(--brand-rose)}
  .btn-white:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(23,18,43,.22)}
  .btn-sm{padding:10px 20px;font-size:14px}
  .btn:active{transform:scale(.98)}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-rose);border-bottom:1px solid transparent;transition:border-color .25s var(--ease),gap .25s var(--ease)}
  .link-arrow:hover{border-bottom-color:var(--brand-rose);gap:10px}

  /* ---------- 通用 ---------- */
  .section{padding:88px 0}
  .section-alt{background:var(--bg-2)}
  .section-head{max-width:720px;margin-bottom:36px}
  .section-head h2{font-size:clamp(24px,3.2vw,36px);line-height:1.3;font-weight:700;letter-spacing:.2px}
  .section-head p{margin-top:14px;color:var(--ink-2);font-size:15px;line-height:1.85}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-rose);background:var(--brand-grad-soft);border-radius:999px;padding:6px 14px}
  .crumb{font-size:13px;color:rgba(255,255,255,.66)}
  .crumb a{transition:color .25s var(--ease)}
  .crumb a:hover{color:#fff}
  .crumb i{font-style:normal;margin:0 6px;opacity:.55}

  @media (max-width:1023px){.section{padding:64px 0}}
  @media (max-width:767px){.section{padding:48px 0}.section-head{margin-bottom:26px}}

  /* ---------- Hero ---------- */
  .cat-hero{position:relative;overflow:hidden;background:var(--dark);min-height:280px;display:flex;align-items:center}
  .cat-hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.6}
  .cat-hero-mask{position:absolute;inset:0;background:linear-gradient(120deg,rgba(23,18,43,.94) 0%,rgba(32,25,56,.78) 52%,rgba(139,47,214,.52) 100%)}
  .cat-hero-inner{position:relative;width:100%;padding-top:56px;padding-bottom:56px}
  .cat-hero h1{color:#fff;font-size:clamp(30px,4.4vw,48px);line-height:1.25;font-weight:800;margin:16px 0 18px;max-width:820px}
  .cat-hero .lead{color:rgba(255,255,255,.8);font-size:16px;line-height:1.9;max-width:640px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
  .hero-actions .btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.28);color:#fff}
  .hero-actions .btn-ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.16)}
  @media (max-width:767px){
    .cat-hero{min-height:0}
    .cat-hero-inner{padding-top:40px;padding-bottom:44px}
    .hero-actions .btn{width:100%}
  }

  /* ---------- 入口指引双栏 ---------- */
  .entry-grid{display:grid;grid-template-columns:1.62fr 1fr;gap:24px;align-items:start}
  .entry-main{background:var(--bg-2);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
  .entry-main:hover,.entry-side:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
  .entry-main figure{margin:0;aspect-ratio:16/9;overflow:hidden}
  .entry-main figure img{width:100%;height:100%;object-fit:cover}
  .entry-main-body{padding:28px}
  .entry-main-body h3{font-size:22px;font-weight:600;line-height:1.4}
  .entry-main-body p{margin-top:12px;color:var(--ink-2);font-size:15px;line-height:1.9}
  .point-list{margin-top:18px;display:flex;flex-direction:column;gap:12px}
  .point-list li{position:relative;padding-left:20px;font-size:15px;color:var(--ink-2);line-height:1.85}
  .point-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--brand-grad)}
  .entry-side{display:grid;gap:24px}
  .mini-card{background:var(--bg-2);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
  .mini-card figure{margin:0;aspect-ratio:16/10;overflow:hidden}
  .mini-card figure img{width:100%;height:100%;object-fit:cover}
  .mini-card-body{padding:20px}
  .mini-card-body h3{font-size:18px;font-weight:600;line-height:1.45}
  .mini-card-body p{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.85}
  .mini-card-body .link-arrow{margin-top:14px}
  .tag{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;background:var(--brand-grad-soft);color:var(--brand-rose)}
  @media (max-width:1023px){
    .entry-grid{grid-template-columns:1fr}
  }

  /* ---------- 步骤 ---------- */
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;margin-top:8px}
  .steps::before{content:"";position:absolute;top:34px;left:8%;right:8%;height:1px;background-image:var(--brand-grad);background-size:12px 1px;background-repeat:repeat-x;opacity:.4}
  .step{position:relative;background:var(--bg-2);border-radius:var(--r-md);padding:26px 24px;box-shadow:var(--sh-1);transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
  .step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
  .step-num{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:999px;background:var(--brand-grad);color:#fff;font-weight:800;font-size:18px;margin-bottom:18px;box-shadow:0 10px 24px rgba(240,53,122,.24)}
  .step h3{font-size:19px;font-weight:600}
  .step p{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.9}
  @media (max-width:1023px){.steps{grid-template-columns:1fr}.steps::before{display:none}}

  /* ---------- 自查清单 ---------- */
  .check-list{border-top:1px solid var(--line)}
  .check-row{display:grid;grid-template-columns:64px 1fr 160px;gap:20px;align-items:center;padding:22px 16px;border-bottom:1px solid var(--line);position:relative;transition:transform .25s var(--ease),background .25s var(--ease)}
  .check-row::before{content:"";position:absolute;left:0;top:14%;bottom:14%;width:3px;border-radius:3px;background:var(--brand-grad);transform:scaleY(0);transform-origin:top;transition:transform .25s var(--ease)}
  .check-row:hover{transform:translateX(6px);background:var(--bg-2)}
  .check-row:hover::before{transform:scaleY(1)}
  .check-num{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
  .check-row h3{font-size:17px;font-weight:600}
  .check-row p{margin-top:6px;font-size:14px;color:var(--ink-2);line-height:1.85}
  .check-note{font-size:13px;color:var(--ink-3);text-align:right}
  @media (max-width:767px){
    .check-row{grid-template-columns:44px 1fr;gap:14px;padding:18px 8px}
    .check-note{grid-column:2;text-align:left}
  }

  /* ---------- 深色设备区 ---------- */
  .device-section{background:var(--dark);color:#fff}
  .device-section .section-head h2{color:#fff}
  .device-section .section-head p{color:rgba(255,255,255,.7)}
  .device-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
  .device-card{border:1px solid rgba(255,255,255,.10);border-radius:var(--r-md);padding:26px;background:var(--dark-2);transition:transform .25s var(--ease),border-color .25s var(--ease)}
  .device-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.24)}
  .device-card h3{font-size:19px;font-weight:600;color:#fff}
  .device-card p{margin-top:12px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.72)}
  .device-card ul{margin-top:16px;display:flex;flex-direction:column;gap:10px}
  .device-card li{position:relative;padding-left:18px;font-size:14px;color:rgba(255,255,255,.78);line-height:1.8}
  .device-card li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:50%;background:var(--accent-mint)}
  .device-card figure{margin:0 0 20px;aspect-ratio:16/9;border-radius:var(--r-sm);overflow:hidden;border:1px solid rgba(255,255,255,.08)}
  .device-card figure img{width:100%;height:100%;object-fit:cover}
  @media (max-width:1023px){.device-grid{grid-template-columns:1fr}}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:880px}
  .faq-item{position:relative;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);margin-bottom:14px;overflow:hidden;transition:box-shadow .25s var(--ease)}
  .faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand-grad);transform:scaleY(0);transform-origin:top;transition:transform .25s var(--ease)}
  .faq-item.is-open::before{transform:scaleY(1)}
  .faq-q{width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 24px;font-size:16px;font-weight:600;text-align:left;line-height:1.5}
  .faq-q:hover{color:var(--brand-rose)}
  .faq-arrow{flex:none;width:24px;height:24px;display:grid;place-items:center;border-radius:999px;background:var(--brand-grad-soft);color:var(--brand-rose);transition:transform .3s var(--ease)}
  .faq-item.is-open .faq-arrow{transform:rotate(180deg)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
  .faq-item.is-open .faq-a{max-height:360px}
  .faq-a p{padding:0 24px 22px;font-size:14px;line-height:1.9;color:var(--ink-2)}
  @media (max-width:767px){.faq-q{padding:12px 18px;font-size:15px}.faq-a p{padding:0 18px 18px}}

  /* ---------- CTA 条 ---------- */
  .cta-band{position:relative;overflow:hidden;background-image:var(--brand-grad);border-radius:var(--r-lg);padding:44px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;color:#fff;box-shadow:var(--sh-2)}
  .cta-band::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);background-size:18px 18px;opacity:.35;pointer-events:none}
  .cta-band h2{position:relative;font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35}
  .cta-band p{position:relative;margin-top:10px;font-size:15px;color:rgba(255,255,255,.88);max-width:560px;line-height:1.85}
  .cta-band .btn{position:relative;flex:none}
  @media (max-width:767px){
    .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;gap:22px}
    .cta-band .btn{width:100%}
  }

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:88px}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
  .footer-brand .brand{position:static;transform:none}
  .footer-brand .brand-text strong{color:#fff}
  .footer-brand .brand-text small{color:rgba(255,255,255,.5)}
  .footer-desc{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.62)}
  .footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
  .footer-links{display:flex;flex-direction:column;gap:12px}
  .footer-links a{font-size:14px;color:rgba(255,255,255,.7);transition:color .25s var(--ease)}
  .footer-links a:hover{color:var(--accent-mint)}
  .footer-sub p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62)}
  .sub-form{display:flex;gap:8px;margin-top:16px}
  .sub-form input{flex:1;min-width:0;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-sm);padding:12px 14px;color:#fff;font-size:14px;transition:border-color .25s var(--ease)}
  .sub-form input::placeholder{color:rgba(255,255,255,.42)}
  .sub-form input:focus{outline:none;border-color:var(--brand-rose)}
  .footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.10);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55)}
  .footer-bottom-links{display:flex;gap:18px;flex-wrap:wrap}
  .footer-bottom-links a:hover{color:var(--accent-mint)}
  @media (max-width:1023px){
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
    .site-footer{padding-top:48px;margin-top:64px}
  }
  @media (max-width:640px){
    .footer-grid{grid-template-columns:1fr}
    .sub-form{flex-direction:column}
    .footer-bottom{flex-direction:column;align-items:flex-start}
  }

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

/* roulang page: category2 */
:root{
  --brand-coral:#FF5233;
  --brand-rose:#F0357A;
  --brand-violet:#8B2FD6;
  --brand-grad:linear-gradient(120deg,#FF5233 0%,#F0357A 48%,#8B2FD6 100%);
  --brand-grad-soft:linear-gradient(120deg,rgba(255,82,51,.12),rgba(139,47,214,.12));
  --accent-mint:#10C7A8;
  --accent-amber:#FFC53D;
  --ink:#17122B;
  --ink-2:#5B5470;
  --ink-3:#948CAB;
  --bg:#FFF8F4;
  --bg-2:#FFFFFF;
  --line:#F1E7EF;
  --dark:#17122B;
  --dark-2:#201938;
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(23,18,43,.06);
  --sh-2:0 16px 40px rgba(240,53,122,.14);
  --sh-3:0 24px 64px rgba(23,18,43,.18);
  --tr:all .25s cubic-bezier(.2,.7,.3,1);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:var(--tr);}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand-rose);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.bg-white{background:var(--bg-2);}
.bg-warm{background:var(--bg);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,248,244,.92);
  border-bottom:1px solid transparent;
  transition:var(--tr);
}
.site-header.is-scrolled{
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.notice-bar{
  background:var(--brand-grad-soft);
  border-bottom:1px solid var(--line);
}
.notice-inner{
  display:flex;
  align-items:center;
  gap:12px;
  min-height:36px;
  font-size:13px;
  color:var(--ink-2);
}
.notice-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--brand-grad);
  flex:0 0 auto;
}
.notice-inner p{flex:1;margin:0;line-height:1.5;}
.notice-close{
  width:26px;height:26px;line-height:1;
  border-radius:50%;
  color:var(--ink-3);
  font-size:18px;
  transition:var(--tr);
}
.notice-close:hover{background:rgba(255,82,51,.12);color:var(--brand-rose);}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  min-height:72px;
  gap:16px;
}
.nav-side{
  display:flex;
  align-items:center;
  gap:28px;
}
.nav-side--right{justify-content:flex-end;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  font-size:15px;
  color:var(--ink-2);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:6px;
  height:2px;
  border-radius:2px;
  background:var(--brand-grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:var(--tr);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  justify-self:center;
}
.brand-mark{
  width:38px;height:38px;
  border-radius:12px;
  background:var(--brand-grad);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:var(--sh-1);
  flex:0 0 auto;
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:.2px;}
.brand-text small{font-size:11px;color:var(--ink-3);letter-spacing:2px;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  display:block;width:18px;height:2px;border-radius:2px;
  background:var(--ink);
  position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(23,18,43,.55);
  opacity:0;visibility:hidden;
  transition:var(--tr);
  z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;left:0;bottom:0;
  width:82vw;max-width:340px;
  background:#fff;
  z-index:95;
  transform:translateX(-102%);
  transition:transform .3s cubic-bezier(.2,.7,.3,1);
  display:flex;
  flex-direction:column;
  padding:20px 0 28px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{
  padding:0 20px 16px;
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer-head span{font-size:14px;color:var(--ink-3);letter-spacing:1px;}
.drawer-close{
  width:34px;height:34px;border-radius:50%;
  background:var(--bg);
  color:var(--ink-2);
  font-size:20px;line-height:1;
}
.drawer-nav{display:flex;flex-direction:column;padding:8px 0;}
.drawer-nav a{
  display:flex;align-items:center;
  min-height:52px;
  padding:0 20px;
  font-size:15px;
  color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--brand-rose);font-weight:600;}
.drawer-cta{padding:20px;}
.drawer-foot{
  margin-top:auto;
  padding:18px 20px 0;
  border-top:1px solid var(--line);
  font-size:12px;
  color:var(--ink-3);
  line-height:1.8;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  transition:var(--tr);
  white-space:nowrap;
}
.btn-primary{
  color:#fff;
  background-image:linear-gradient(120deg,#FF5233 0%,#F0357A 48%,#8B2FD6 100%);
  background-size:200% 100%;
  background-position:0% 0;
  box-shadow:0 10px 24px rgba(240,53,122,.22);
}
.btn-primary:hover{
  background-position:100% 0;
  box-shadow:var(--sh-2);
  transform:translateY(-2px);
}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  border:1px solid var(--line);
  color:var(--ink);
  background:#fff;
}
.btn-ghost:hover{border-color:var(--brand-rose);color:var(--brand-rose);}
.btn-white{
  background:#fff;
  color:var(--brand-rose);
  font-weight:700;
}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(23,18,43,.25);}
.btn-sm{padding:10px 20px;font-size:14px;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-rose);
}
.link-arrow::after{content:"→";transition:var(--tr);}
.link-arrow:hover::after{transform:translateX(4px);}
.text-link{
  color:var(--ink);
  border-bottom:1px solid rgba(23,18,43,.25);
  padding-bottom:1px;
}
.text-link:hover{
  color:var(--brand-rose);
  border-bottom-color:var(--brand-rose);
}

/* ---------- 面包屑 / Hero ---------- */
.crumb-bar{padding:18px 0 0;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:#fff;
}
.crumb a{color:rgba(255,255,255,.78);}
.crumb a:hover{color:#fff;}
.crumb span{color:rgba(255,255,255,.55);}
.cat-hero{
  position:relative;
  margin-top:18px;
  border-radius:var(--r-lg);
  overflow:hidden;
  min-height:320px;
  display:flex;
  align-items:flex-end;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh-3);
}
.cat-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(23,18,43,.92) 0%,rgba(32,25,56,.78) 46%,rgba(139,47,214,.55) 100%);
}
.cat-hero-inner{
  position:relative;
  z-index:2;
  padding:44px 44px 48px;
  max-width:820px;
}
.cat-kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  font-size:12px;
  letter-spacing:1.5px;
  color:#fff;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  margin-bottom:18px;
}
.cat-title{
  font-size:clamp(30px,5vw,50px);
  line-height:1.25;
  font-weight:800;
  color:#fff;
  letter-spacing:.5px;
}
.cat-sub{
  margin-top:16px;
  font-size:16px;
  line-height:1.85;
  color:rgba(255,255,255,.82);
  max-width:44ch;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-actions .btn-ghost{
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.32);
  color:#fff;
}
.hero-actions .btn-ghost:hover{
  background:rgba(255,255,255,.14);
  border-color:#fff;
  color:#fff;
}

/* ---------- 区块标题 ---------- */
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:2px;
  color:var(--brand-rose);
  font-weight:700;
  margin-bottom:12px;
}
.sec-title{
  font-size:clamp(24px,3.2vw,36px);
  line-height:1.3;
  font-weight:700;
  color:var(--ink);
}
.sec-desc{
  margin-top:16px;
  font-size:15px;
  color:var(--ink-2);
  max-width:42ch;
}
.grad-text{
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

/* ---------- 筛选 chips ---------- */
.chips{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:28px;
}
.chip{
  padding:9px 20px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  font-size:14px;
  color:var(--ink-2);
  transition:var(--tr);
}
.chip:hover{border-color:var(--brand-rose);color:var(--brand-rose);}
.chip.is-on{
  background-image:linear-gradient(120deg,#FF5233 0%,#F0357A 48%,#8B2FD6 100%);
  color:#fff;
  border-color:transparent;
  box-shadow:0 8px 20px rgba(240,53,122,.22);
}

/* ---------- 文档化编号列表 ---------- */
.doc-list{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.doc-row{
  position:relative;
  display:grid;
  grid-template-columns:84px 1fr 150px;
  gap:24px;
  align-items:start;
  padding:30px 32px;
  border-bottom:1px solid var(--line);
  transition:var(--tr);
}
.doc-row:last-child{border-bottom:0;}
.doc-row::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  border-radius:3px;
  background:var(--brand-grad);
  opacity:0;
  transition:var(--tr);
}
.doc-row:hover{
  transform:translateX(6px);
  background:linear-gradient(90deg,rgba(255,82,51,.07),rgba(139,47,214,.05) 55%,rgba(255,255,255,0));
}
.doc-row:hover::before{opacity:1;}
.doc-num{
  font-size:30px;
  font-weight:800;
  line-height:1.2;
  letter-spacing:1px;
  font-variant-numeric:tabular-nums;
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.doc-title{font-size:20px;font-weight:600;line-height:1.5;color:var(--ink);}
.doc-text{
  margin-top:10px;
  font-size:14px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:60ch;
}
.doc-points{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:14px;}
.doc-points li{
  position:relative;
  padding-left:14px;
  font-size:13px;
  color:var(--ink-3);
}
.doc-points li::before{
  content:"";
  position:absolute;left:0;top:9px;
  width:6px;height:6px;border-radius:50%;
  background:var(--brand-grad);
}
.doc-meta{
  text-align:right;
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:10px;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:5px 13px;
  border-radius:var(--r-pill);
  font-size:12px;
  color:var(--brand-violet);
  background:var(--brand-grad-soft);
  border:1px solid rgba(139,47,214,.16);
}
.tag-mint{
  color:#0a8f79;
  background:rgba(16,199,168,.12);
  border-color:rgba(16,199,168,.24);
}
.doc-time{
  font-size:12px;
  color:var(--ink-3);
  letter-spacing:.5px;
  white-space:nowrap;
}

/* ---------- 深色数据区 ---------- */
.dark-band{
  position:relative;
  background-color:var(--dark);
  background-image:linear-gradient(120deg,rgba(23,18,43,.96),rgba(32,25,56,.9)),url("/assets/images/backpic/back-3.png");
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:88px 0;
}
.dark-band .sec-title{color:#fff;}
.dark-band .sec-desc{color:rgba(255,255,255,.66);}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.stat{
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-md);
  padding:26px 24px;
  background:rgba(255,255,255,.03);
  transition:var(--tr);
}
.stat:hover{
  background:rgba(255,255,255,.07);
  transform:translateY(-4px);
}
.stat-num{
  font-size:clamp(30px,3.6vw,42px);
  font-weight:800;
  line-height:1.1;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,#FF7A5C,#F0357A 55%,#B26BE8);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.stat-num small{font-size:15px;font-weight:600;margin-left:4px;color:rgba(255,255,255,.6);-webkit-text-fill-color:rgba(255,255,255,.6);}
.stat-label{margin-top:12px;font-size:15px;font-weight:600;}
.stat-text{margin-top:8px;font-size:13px;line-height:1.8;color:rgba(255,255,255,.58);}

.steps{
  margin-top:56px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  position:relative;
}
.step{
  position:relative;
  padding-top:26px;
}
.step::before{
  content:"";
  position:absolute;
  top:9px;left:0;right:24px;
  border-top:2px dashed rgba(255,255,255,.22);
}
.step:last-child::before{display:none;}
.step-dot{
  position:absolute;
  top:0;left:0;
  width:18px;height:18px;
  border-radius:50%;
  background:var(--brand-grad);
  box-shadow:0 0 0 4px rgba(240,53,122,.18);
}
.step-title{font-size:15px;font-weight:700;}
.step-text{margin-top:6px;font-size:13px;color:rgba(255,255,255,.58);line-height:1.8;}

/* ---------- 图文区块 ---------- */
.media-grid{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:56px;
  align-items:center;
}
.media-figure{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  aspect-ratio:4/3;
  background:#fff;
}
.media-figure img{width:100%;height:100%;object-fit:cover;}
.media-list{margin-top:24px;display:flex;flex-direction:column;gap:16px;}
.media-list li{
  position:relative;
  padding-left:22px;
  font-size:15px;
  color:var(--ink-2);
  line-height:1.8;
}
.media-list li::before{
  content:"";
  position:absolute;left:0;top:11px;
  width:10px;height:10px;border-radius:50%;
  background:var(--brand-grad);
  box-shadow:0 0 0 4px rgba(240,53,122,.1);
}
.media-list strong{color:var(--ink);font-weight:600;}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:16px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  position:relative;
  transition:var(--tr);
}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  border-radius:3px;
  background:var(--brand-grad);
  opacity:0;
  transition:var(--tr);
}
.faq-item.is-open::before{opacity:1;}
.faq-item.is-open{box-shadow:var(--sh-2);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:56px;
  padding:12px 24px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  text-align:left;
}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--line);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--brand-rose);
  font-size:14px;
  transition:var(--tr);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--brand-grad-soft);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s cubic-bezier(.2,.7,.3,1);
}
.faq-a-inner{
  padding:0 24px 22px;
  font-size:14px;
  line-height:1.9;
  color:var(--ink-2);
  max-width:74ch;
}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  padding:48px 52px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  color:#fff;
  background-image:linear-gradient(120deg,rgba(255,82,51,.95),rgba(240,53,122,.94) 50%,rgba(139,47,214,.95));
  box-shadow:0 24px 60px rgba(240,53,122,.28);
}
.cta-band::after{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.18) 1px,transparent 1px);
  background-size:14px 14px;
  opacity:.6;
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:2;}
.cta-title{font-size:clamp(20px,2.6vw,28px);font-weight:700;line-height:1.4;}
.cta-text{margin-top:10px;font-size:14px;color:rgba(255,255,255,.86);max-width:46ch;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.72);
  padding:72px 0 28px;
  margin-top:88px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text small{color:rgba(255,255,255,.5);}
.footer-desc{
  margin-top:18px;
  font-size:13px;
  line-height:1.9;
  color:rgba(255,255,255,.56);
  max-width:36ch;
}
.footer-title{
  font-size:13px;
  letter-spacing:1.5px;
  color:#fff;
  font-weight:700;
  margin-bottom:18px;
}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:13px;color:rgba(255,255,255,.62);}
.footer-links a:hover{color:var(--accent-mint);}
.footer-sub p{font-size:13px;color:rgba(255,255,255,.56);line-height:1.9;margin-bottom:16px;}
.sub-form{display:flex;gap:10px;flex-wrap:wrap;}
.sub-form input{
  flex:1 1 160px;
  min-width:0;
  padding:12px 16px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:14px;
}
.sub-form input::placeholder{color:rgba(255,255,255,.42);}
.sub-form input:focus{outline:none;border-color:var(--brand-rose);background:rgba(255,255,255,.1);}
.footer-bottom{
  padding-top:24px;
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  justify-content:space-between;
  font-size:12px;
  color:rgba(255,255,255,.42);
}
.footer-bottom a{color:rgba(255,255,255,.55);}
.footer-bottom a:hover{color:var(--accent-mint);}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .doc-row{grid-template-columns:72px 1fr 130px;gap:20px;padding:26px 24px;}
}
@media (max-width:1024px){
  .nav-side{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{grid-template-columns:auto 1fr auto;min-height:66px;}
  .brand{justify-self:center;}
  .section{padding:64px 0;}
  .dark-band{padding:64px 0;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);gap:28px 24px;}
  .step:nth-child(2)::before{display:none;}
  .media-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .cat-hero{min-height:0;border-radius:var(--r-md);}
  .cat-hero-inner{padding:32px 24px 36px;}
  .cat-sub{font-size:15px;max-width:100%;}
  .crumb-bar{padding-top:14px;}
  .doc-row{
    grid-template-columns:52px 1fr;
    gap:14px;
    padding:24px 18px;
  }
  .doc-num{font-size:24px;}
  .doc-title{font-size:17px;}
  .doc-meta{
    grid-column:2;
    flex-direction:row;
    align-items:center;
    justify-content:flex-start;
    flex-wrap:wrap;
    text-align:left;
    gap:12px;
  }
  .doc-row:hover{transform:translateX(3px);}
  .stat-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .step::before{display:none;}
  .cta-band{padding:32px 24px;}
  .site-footer{padding:56px 0 24px;margin-top:64px;}
}
@media (max-width:520px){
  .cat-title{font-size:28px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .btn{padding:13px 22px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
    --brand-coral:#FF5233;
    --brand-rose:#F0357A;
    --brand-violet:#8B2FD6;
    --brand-grad:linear-gradient(120deg,#FF5233 0%,#F0357A 48%,#8B2FD6 100%);
    --brand-grad-soft:linear-gradient(120deg,rgba(255,82,51,.12),rgba(139,47,214,.12));
    --accent-mint:#10C7A8;
    --accent-amber:#FFC53D;
    --ink:#17122B;
    --ink-2:#5B5470;
    --ink-3:#948CAB;
    --bg:#FFF8F4;
    --bg-2:#FFFFFF;
    --line:#F1E7EF;
    --dark:#17122B;
    --dark-2:#201938;
    --sh-1:0 6px 20px rgba(23,18,43,.06);
    --sh-2:0 16px 40px rgba(240,53,122,.14);
    --sh-3:0 24px 64px rgba(23,18,43,.18);
    --r-lg:28px;
    --r-md:20px;
    --r-sm:14px;
    --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
    --ease:cubic-bezier(.2,.7,.3,1);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.85;
    color:var(--ink);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input{font-family:inherit;font-size:inherit;color:inherit;}
  button{background:none;border:0;cursor:pointer;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--brand-rose);outline-offset:2px;border-radius:6px;}

  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:var(--bg);
    transition:box-shadow .25s var(--ease),background .25s var(--ease);
  }
  .site-header.is-scrolled{
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:var(--sh-1);
  }
  .nav-wrap{
    position:relative;
    display:flex;align-items:center;justify-content:space-between;
    height:78px;
  }
  .nav-side{display:flex;align-items:center;gap:28px;}
  .nav-link{
    position:relative;
    display:inline-flex;align-items:center;height:44px;
    font-size:15px;font-weight:500;color:var(--ink-2);
    transition:color .25s var(--ease);
    white-space:nowrap;
  }
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;
    background:var(--brand-grad);border-radius:2px;
    transform:scaleX(0);transform-origin:left;
    transition:transform .25s var(--ease);
  }
  .nav-link:hover{color:var(--ink);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.is-active{color:var(--ink);font-weight:600;}
  .nav-link.is-active::after{transform:scaleX(1);}

  .nav-brand{
    position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
    display:flex;align-items:center;gap:10px;
  }
  .brand{display:flex;align-items:center;gap:10px;}
  .brand-mark{
    width:38px;height:38px;border-radius:12px;
    background:var(--brand-grad);
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 8px 20px rgba(240,53,122,.28);
    flex:0 0 auto;
  }
  .brand-mark svg{width:22px;height:22px;}
  .brand-text{display:flex;flex-direction:column;line-height:1.15;}
  .brand-text strong{font-size:16px;font-weight:800;letter-spacing:.2px;color:var(--ink);}
  .brand-text small{font-size:11px;color:var(--ink-3);letter-spacing:1.6px;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:999px;
    font-weight:600;
    transition:transform .25s var(--ease),box-shadow .25s var(--ease),background-position .45s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
    cursor:pointer;
    text-align:center;
  }
  .btn-primary{
    padding:14px 28px;color:#fff;border:0;
    background-image:linear-gradient(120deg,#FF5233 0%,#F0357A 48%,#8B2FD6 100%);
    background-size:200% 100%;
    background-position:0% 50%;
    box-shadow:0 10px 26px rgba(240,53,122,.24);
  }
  .btn-primary:hover{background-position:100% 50%;box-shadow:var(--sh-2);}
  .btn-primary:active{transform:scale(.98);}
  .btn-ghost{
    padding:13px 26px;color:var(--ink);background:#fff;
    border:1px solid var(--line);
  }
  .btn-ghost:hover{border-color:var(--brand-rose);color:var(--brand-rose);box-shadow:var(--sh-1);}
  .btn-ghost:active{transform:scale(.98);}
  .btn-sm{padding:11px 20px;font-size:14px;}

  .nav-toggle{
    display:none;
    width:44px;height:44px;border-radius:12px;
    border:1px solid var(--line);background:#fff;
    align-items:center;justify-content:center;
  }
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  }
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}

  /* ---------- 移动抽屉 ---------- */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(23,18,43,.55);
    opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
    z-index:90;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;top:0;left:0;bottom:0;width:82vw;max-width:340px;
    background:#fff;z-index:95;padding:24px 20px 32px;
    transform:translateX(-102%);
    transition:transform .3s var(--ease);
    overflow-y:auto;
    box-shadow:var(--sh-3);
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-list{margin-top:22px;border-top:1px solid var(--line);}
  .drawer-list a{
    display:flex;align-items:center;min-height:52px;
    border-bottom:1px solid var(--line);
    font-size:15px;color:var(--ink-2);
  }
  .drawer-list a.is-active{color:var(--brand-rose);font-weight:600;}
  .drawer-cta{margin-top:22px;display:block;width:100%;}
  .drawer-foot{margin-top:28px;font-size:13px;color:var(--ink-3);line-height:1.9;}

  /* ---------- 分类横幅 ---------- */
  .cat-hero{
    position:relative;
    min-height:160px;
    padding:34px 0 44px;
    background-image:linear-gradient(120deg,rgba(255,248,244,.96) 0%,rgba(255,241,236,.92) 45%,rgba(244,236,255,.94) 100%),
                     url('/assets/images/backpic/back-2.png');
    background-size:cover,cover;
    background-position:center,center;
    border-bottom:1px solid var(--line);
    overflow:hidden;
  }
  .cat-hero::after{
    content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;
    background:radial-gradient(circle,rgba(240,53,122,.16),transparent 68%);
    pointer-events:none;
  }
  .crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);}
  .crumbs a{color:var(--ink-2);}
  .crumbs a:hover{color:var(--brand-rose);}
  .crumbs .sep{color:var(--ink-3);}
  .cat-hero h1{
    margin-top:16px;
    font-size:clamp(28px,4.4vw,44px);
    line-height:1.25;font-weight:800;letter-spacing:-.4px;
    max-width:900px;
  }
  .cat-hero h1 em{
    font-style:normal;
    background:var(--brand-grad);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .cat-hero p{
    margin-top:14px;max-width:760px;
    font-size:15px;line-height:1.9;color:var(--ink-2);
  }

  /* ---------- 通用板块 ---------- */
  .section{padding:88px 0;}
  .section-tight{padding:64px 0;}
  .section-alt{background:var(--bg-2);}
  .sec-head{max-width:760px;margin-bottom:38px;}
  .sec-head h2{
    font-size:clamp(24px,3.2vw,34px);
    line-height:1.3;font-weight:700;letter-spacing:-.3px;
  }
  .sec-head h2 span{
    background:var(--brand-grad);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .sec-head p{margin-top:14px;font-size:15px;color:var(--ink-2);}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;
    background:var(--brand-grad-soft);
    font-size:12px;font-weight:600;letter-spacing:1px;color:var(--brand-rose);
    margin-bottom:16px;
  }

  /* ---------- 卡片网格 ---------- */
  .card-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:24px;
  }
  .cat-card{
    display:flex;flex-direction:column;
    background:#fff;border-radius:var(--r-lg);
    box-shadow:var(--sh-1);
    overflow:hidden;
    transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  }
  .cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
  .thumb-wrap{position:relative;}
  .thumb-wrap img{width:100%;aspect-ratio:16/10;object-fit:cover;}
  .badge-float{
    position:absolute;top:14px;left:14px;
    padding:5px 12px;border-radius:999px;
    background:rgba(255,255,255,.92);
    font-size:12px;font-weight:600;
    background-image:linear-gradient(120deg,#FF5233,#8B2FD6);
    -webkit-background-clip:text;background-clip:text;color:transparent;
    box-shadow:0 4px 14px rgba(23,18,43,.10);
  }
  .badge-float::before{
    content:"";position:absolute;inset:0;border-radius:999px;
    background:#fff;z-index:-1;
  }
  .card-body{padding:22px 24px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
  .card-body h3{font-size:20px;font-weight:600;line-height:1.45;}
  .card-body p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--ink-2);}
  .card-meta{
    margin-top:auto;padding-top:16px;
    border-top:1px solid var(--line);
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    font-size:12px;color:var(--ink-3);
  }
  .card-meta b{color:var(--ink-2);font-weight:600;}
  .dot-mark{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--brand-grad);margin-right:6px;}

  /* ---------- 提示对照表 ---------- */
  .hint-wrap{
    background:#fff;border-radius:var(--r-lg);
    box-shadow:var(--sh-1);
    overflow:hidden;
  }
  .hint-table{width:100%;border-collapse:collapse;}
  .hint-table caption{
    text-align:left;padding:24px 24px 6px;font-size:15px;color:var(--ink-2);
  }
  .hint-table th{
    text-align:left;font-size:13px;font-weight:600;color:var(--ink-2);
    background:#FFF3EC;padding:16px 22px;white-space:nowrap;
  }
  .hint-table td{
    padding:18px 22px;font-size:14px;color:var(--ink-2);line-height:1.8;
    border-bottom:1px solid var(--line);
    vertical-align:top;
  }
  .hint-table tbody tr:nth-child(even){background:#FFFAF7;}
  .hint-table tbody tr:last-child td{border-bottom:0;}
  .hint-table td strong{color:var(--ink);font-weight:600;}
  .hint-tag{
    display:inline-block;padding:3px 10px;border-radius:999px;
    font-size:12px;font-weight:600;color:var(--brand-rose);
    background:var(--brand-grad-soft);
  }

  /* ---------- 排查流程 ---------- */
  .steps{
    position:relative;
    display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
  }
  .steps::before{
    content:"";position:absolute;top:30px;left:6%;right:6%;height:2px;
    background-image:repeating-linear-gradient(90deg,rgba(240,53,122,.45) 0 10px,transparent 10px 20px);
  }
  .step{
    position:relative;z-index:1;
    background:#fff;border-radius:var(--r-md);
    padding:24px 22px;box-shadow:var(--sh-1);
    transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  }
  .step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
  .step-num{
    width:44px;height:44px;border-radius:14px;
    background:var(--brand-grad-soft);
    display:flex;align-items:center;justify-content:center;
    font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;
    background-image:linear-gradient(120deg,rgba(255,82,51,.14),rgba(139,47,214,.16));
    color:var(--brand-violet);
    margin-bottom:16px;
  }
  .step h3{font-size:17px;font-weight:600;}
  .step p{margin-top:8px;font-size:14px;line-height:1.8;color:var(--ink-2);}

  /* ---------- 数据徽章 ---------- */
  .stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
  .stat-card{
    border-radius:var(--r-md);
    padding:26px 22px;
    background:
      linear-gradient(#fff,#fff) padding-box,
      var(--brand-grad) border-box;
    border:1px solid transparent;
  }
  .stat-num{
    font-size:clamp(30px,3.4vw,42px);font-weight:800;line-height:1.1;
    font-variant-numeric:tabular-nums;
    background:var(--brand-grad);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .stat-num small{font-size:15px;font-weight:600;margin-left:4px;-webkit-text-fill-color:var(--ink-2);}
  .stat-card p{margin-top:10px;font-size:14px;color:var(--ink-2);}

  /* ---------- FAQ ---------- */
  .faq-list{max-width:900px;}
  .faq-item{
    position:relative;
    background:#fff;border-radius:var(--r-md);
    box-shadow:var(--sh-1);
    margin-bottom:14px;overflow:hidden;
    transition:box-shadow .25s var(--ease);
  }
  .faq-item:hover{box-shadow:var(--sh-2);}
  .faq-item.is-open::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
    background:var(--brand-grad);
  }
  .faq-q{
    width:100%;min-height:56px;padding:14px 24px;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    font-size:16px;font-weight:600;color:var(--ink);text-align:left;
  }
  .faq-arrow{
    flex:0 0 auto;width:26px;height:26px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    background:var(--brand-grad-soft);color:var(--brand-rose);
    font-size:12px;transition:transform .3s var(--ease);
  }
  .faq-item.is-open .faq-arrow{transform:rotate(180deg);}
  .faq-a{
    max-height:0;overflow:hidden;
    padding:0 24px;
    font-size:14px;line-height:1.9;color:var(--ink-2);
    transition:max-height .3s var(--ease),padding .3s var(--ease);
  }
  .faq-item.is-open .faq-a{max-height:360px;padding-bottom:22px;}

  /* ---------- CTA 条 ---------- */
  .cta-band{
    position:relative;overflow:hidden;
    border-radius:var(--r-lg);
    padding:38px 42px;
    background-image:var(--brand-grad);
    display:flex;align-items:center;justify-content:space-between;gap:28px;
    box-shadow:0 20px 50px rgba(240,53,122,.22);
  }
  .cta-band::after{
    content:"";position:absolute;inset:0;
    background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);
    background-size:14px 14px;
    opacity:.5;pointer-events:none;
  }
  .cta-band-text{position:relative;z-index:1;color:#fff;max-width:640px;}
  .cta-band-text h2{font-size:clamp(22px,2.8vw,30px);font-weight:800;line-height:1.35;}
  .cta-band-text p{margin-top:10px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.9);}
  .btn-white{
    position:relative;z-index:1;
    padding:14px 30px;background:#fff;border-radius:999px;font-weight:700;
    background-image:linear-gradient(120deg,#FF5233,#8B2FD6);
    -webkit-background-clip:text;background-clip:text;color:transparent;
    white-space:nowrap;
    transition:transform .25s var(--ease),box-shadow .25s var(--ease);
    box-shadow:0 10px 24px rgba(23,18,43,.18);
  }
  .btn-white:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(23,18,43,.24);}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:88px;}
  .footer-grid{
    display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:36px;
    padding-bottom:48px;
  }
  .footer-brand .brand-text strong{color:#fff;}
  .footer-brand .brand-text small{color:rgba(255,255,255,.5);}
  .footer-desc{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:340px;}
  .footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.5px;}
  .footer-links{display:flex;flex-direction:column;gap:12px;}
  .footer-links a{font-size:14px;color:rgba(255,255,255,.68);transition:color .25s var(--ease);}
  .footer-links a:hover{color:var(--accent-mint);}
  .footer-sub p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);}
  .sub-form{margin-top:16px;display:flex;gap:10px;}
  .sub-form input{
    flex:1 1 auto;min-width:0;
    padding:12px 16px;border-radius:var(--r-sm);
    border:1px solid rgba(255,255,255,.16);
    background:rgba(255,255,255,.06);color:#fff;
    font-size:14px;
    transition:border-color .25s var(--ease);
  }
  .sub-form input::placeholder{color:rgba(255,255,255,.42);}
  .sub-form input:focus{outline:none;border-color:var(--brand-rose);}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.10);
    padding:22px 0 30px;
    display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.5);
  }
  .footer-bottom a{color:rgba(255,255,255,.6);}
  .footer-bottom a:hover{color:var(--accent-mint);}

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    .nav-side{display:none;}
    .nav-brand{position:static;transform:none;}
    .nav-toggle{display:flex;}
    .nav-wrap{height:66px;gap:12px;}
    .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
    .steps::before{display:none;}
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .section{padding:64px 0;}
  }
  @media (max-width:768px){
    .cat-hero{padding:26px 0 34px;}
    .hint-table caption{padding:18px 18px 4px;}
    .hint-table th,.hint-table td{padding:14px 16px;}
    .cta-band{flex-direction:column;align-items:flex-start;padding:30px 24px;}
    .btn-white{width:100%;text-align:center;}
    .section{padding:48px 0;}
    .sec-head{margin-bottom:28px;}
  }
  @media (max-width:640px){
    .card-grid{grid-template-columns:1fr;}
    .stat-grid{grid-template-columns:1fr;}
    .steps{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
    .sub-form{flex-direction:column;}
    .sub-form button{width:100%;}
    .hint-table thead{display:none;}
    .hint-table tr{display:block;padding:16px 0;border-bottom:1px solid var(--line);}
    .hint-table td{display:block;border:0;padding:6px 18px;}
    .hint-table td::before{
      content:attr(data-label);
      display:block;font-size:12px;color:var(--ink-3);margin-bottom:2px;
    }
    .faq-q{padding:14px 18px;font-size:15px;}
    .faq-a{padding:0 18px;}
    .faq-item.is-open .faq-a{padding-bottom:18px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none!important;animation:none!important;}
  }

/* roulang page: category4 */
:root{
  --brand-coral:#FF5233;
  --brand-rose:#F0357A;
  --brand-violet:#8B2FD6;
  --brand-grad:linear-gradient(120deg,#FF5233 0%,#F0357A 48%,#8B2FD6 100%);
  --brand-grad-soft:linear-gradient(120deg,rgba(255,82,51,.12),rgba(139,47,214,.12));
  --accent-mint:#10C7A8;
  --accent-amber:#FFC53D;
  --ink:#17122B;
  --ink-2:#5B5470;
  --ink-3:#948CAB;
  --bg:#FFF8F4;
  --bg-2:#FFFFFF;
  --line:#F1E7EF;
  --dark:#17122B;
  --dark-2:#201938;
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(23,18,43,.06);
  --sh-2:0 16px 40px rgba(240,53,122,.14);
  --sh-3:0 24px 64px rgba(23,18,43,.18);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --trans:.25s cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  min-width:360px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);}
p{margin:0;}
input,textarea,select{font-family:inherit;font-size:14px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}

/* ---------- 顶部公告 ---------- */
.top-wrap{position:sticky;top:0;z-index:80;background:rgba(255,248,244,.96);transition:box-shadow var(--trans),background var(--trans),border-color var(--trans);border-bottom:1px solid transparent;}
.top-wrap.is-scrolled{background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh-1);}
.notice-bar{background:var(--brand-grad-soft);border-bottom:1px solid var(--line);}
.notice-inner{display:flex;align-items:center;gap:10px;min-height:36px;font-size:13px;color:var(--ink-2);position:relative;}
.notice-dot{width:8px;height:8px;border-radius:50%;background:var(--accent-mint);flex:0 0 auto;box-shadow:0 0 0 4px rgba(16,199,168,.16);}
.notice-inner p{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.notice-close{background:none;border:0;color:var(--ink-3);font-size:18px;line-height:1;cursor:pointer;padding:4px 6px;border-radius:8px;transition:var(--trans);}
.notice-close:hover{color:var(--ink);background:rgba(23,18,43,.06);}

/* ---------- 头部导航 ---------- */
.site-header{position:relative;}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;position:relative;}
.brand{position:absolute;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:10px;padding:6px 10px;border-radius:var(--r-pill);transition:var(--trans);}
.brand-mark{width:40px;height:40px;border-radius:12px;background:var(--brand-grad);display:flex;align-items:center;justify-content:center;flex:0 0 auto;box-shadow:0 8px 20px rgba(240,53,122,.28);}
.brand-mark svg{width:24px;height:24px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.2px;}
.brand-text small{font-size:12px;color:var(--ink-3);letter-spacing:2px;}
.nav-side{display:flex;align-items:center;gap:26px;}
.nav-side-right{gap:20px;}
.nav-link{position:relative;display:inline-flex;align-items:center;height:44px;font-size:15px;color:var(--ink-2);font-weight:500;transition:color var(--trans);}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;border-radius:2px;background:var(--brand-grad);transform:scaleX(0);transform-origin:left;transition:transform var(--trans);}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:600;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:var(--trans);background-size:180% 100%;background-position:0 0;line-height:1.2;}
.btn-primary{background-image:var(--brand-grad);color:#fff;border-color:transparent;box-shadow:0 8px 22px rgba(240,53,122,.24);}
.btn-primary:hover{background-position:100% 0;box-shadow:var(--sh-2);transform:translateY(-2px);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand-rose);color:var(--brand-rose);}
.btn-light{background:#fff;color:var(--brand-rose);border-color:#fff;font-weight:700;}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.18);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand-rose);outline-offset:2px;}

.text-link{position:relative;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-rose);padding-bottom:2px;transition:var(--trans);}
.text-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor;opacity:.55;transition:var(--trans);}
.text-link:hover{color:var(--brand-violet);}
.text-link:hover::after{background:var(--brand-grad);opacity:1;height:2px;}

/* ---------- 面包屑 & Hero ---------- */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);padding:18px 0 0;flex-wrap:wrap;}
.crumb a{color:var(--ink-2);transition:var(--trans);}
.crumb a:hover{color:var(--brand-rose);}
.crumb span.sep{color:var(--ink-3);opacity:.6;}

.page-hero{padding:26px 0 56px;position:relative;overflow:hidden;}
.page-hero::before{content:"";position:absolute;top:-180px;right:-120px;width:520px;height:520px;border-radius:50%;background:var(--brand-grad);opacity:.10;filter:blur(10px);pointer-events:none;}
.page-hero::after{content:"";position:absolute;bottom:-160px;left:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle at 30% 30%,rgba(16,199,168,.18),transparent 70%);pointer-events:none;}
.hero-flex{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;position:relative;z-index:1;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:var(--r-pill);background:var(--brand-grad-soft);border:1px solid rgba(240,53,122,.18);color:var(--brand-rose);font-size:13px;font-weight:600;}
.hero-title{font-size:clamp(30px,4.4vw,50px);line-height:1.25;font-weight:800;letter-spacing:-.5px;margin:20px 0 0;}
.hero-title em{font-style:normal;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{margin-top:18px;font-size:16px;line-height:1.85;color:var(--ink-2);max-width:38em;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.mini-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-2);box-shadow:var(--sh-1);}
.mini-badge i{width:7px;height:7px;border-radius:50%;background:var(--brand-grad);display:inline-block;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-panel{background:#fff;border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--sh-3);overflow:hidden;}
.hero-panel-top{background:var(--dark);padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.hero-panel-top span{color:rgba(255,255,255,.72);font-size:13px;letter-spacing:1px;}
.hero-panel-top strong{color:#fff;font-size:14px;font-weight:700;}
.panel-rows{padding:8px 24px 20px;}
.panel-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--ink-2);}
.panel-row:last-child{border-bottom:0;}
.panel-row b{color:var(--ink);font-weight:600;}
.panel-pill{font-size:12px;padding:3px 12px;border-radius:var(--r-pill);background:rgba(16,199,168,.12);color:#0B8C77;font-weight:600;white-space:nowrap;}
.panel-pill.warm{background:rgba(255,197,61,.18);color:#9A6B00;}

/* ---------- 主体两栏 ---------- */
.main-section{padding:0 0 88px;}
.layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;align-items:start;}
.anchor-col{position:sticky;top:130px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);padding:22px 18px;}
.anchor-col h2{font-size:14px;letter-spacing:1px;color:var(--ink-3);font-weight:600;margin-bottom:12px;}
.anchor-list{display:flex;flex-direction:column;gap:2px;}
.anchor-link{display:block;padding:10px 12px;border-radius:var(--r-sm);font-size:14px;color:var(--ink-2);border-left:3px solid transparent;transition:var(--trans);}
.anchor-link:hover{background:var(--brand-grad-soft);color:var(--ink);}
.anchor-link.is-current{color:var(--brand-rose);font-weight:600;border-left-color:var(--brand-rose);background:var(--brand-grad-soft);}
.anchor-foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);line-height:1.7;}

.anchor-chips{display:none;gap:10px;overflow-x:auto;padding:4px 0 14px;scrollbar-width:none;}
.anchor-chips::-webkit-scrollbar{display:none;}
.chip{flex:0 0 auto;padding:8px 16px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-2);box-shadow:var(--sh-1);transition:var(--trans);}
.chip:hover{border-color:var(--brand-rose);color:var(--brand-rose);}

.overview-figure{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);margin-bottom:40px;position:relative;}
.overview-figure img{width:100%;aspect-ratio:21/9;object-fit:cover;}
.overview-cap{position:absolute;left:0;right:0;bottom:0;padding:22px 24px;background:linear-gradient(180deg,rgba(23,18,43,0),rgba(23,18,43,.82));color:#fff;font-size:14px;line-height:1.7;}
.overview-cap strong{display:block;font-size:16px;font-weight:700;margin-bottom:4px;}

.feature-block{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:32px 30px;margin-bottom:22px;transition:var(--trans);scroll-margin-top:130px;}
.feature-block:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.block-head{display:flex;gap:18px;align-items:flex-start;}
.block-icon{flex:0 0 auto;width:52px;height:52px;border-radius:16px;background:var(--brand-grad-soft);border:1px solid rgba(240,53,122,.16);display:flex;align-items:center;justify-content:center;color:var(--brand-rose);}
.block-icon svg{width:24px;height:24px;}
.block-num{font-size:12px;letter-spacing:2px;color:var(--ink-3);font-weight:600;font-variant-numeric:tabular-nums;}
.block-head h2{font-size:21px;line-height:1.4;margin-top:4px;}
.block-body{margin-top:16px;font-size:15px;line-height:1.85;color:var(--ink-2);}
.block-points{margin-top:16px;display:grid;gap:10px;}
.block-points li{display:flex;gap:10px;font-size:14px;line-height:1.75;color:var(--ink-2);}
.block-points li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand-grad);flex:0 0 auto;margin-top:8px;}
.block-foot{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{font-size:12px;padding:4px 12px;border-radius:var(--r-pill);background:var(--brand-grad-soft);color:var(--brand-rose);font-weight:600;}

/* ---------- 数据区 ---------- */
.data-band{background:var(--dark);position:relative;overflow:hidden;padding:88px 0;margin-bottom:88px;}
.data-band::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.16;}
.data-inner{position:relative;z-index:1;}
.band-head{max-width:640px;margin-bottom:40px;}
.band-head h2{color:#fff;font-size:clamp(24px,3.2vw,34px);line-height:1.3;}
.band-head p{color:rgba(255,255,255,.68);margin-top:14px;font-size:15px;}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.stat-card{border:1px solid rgba(255,255,255,.10);border-radius:var(--r-md);padding:26px 22px;background:rgba(255,255,255,.03);transition:var(--trans);}
.stat-card:hover{background:rgba(255,255,255,.07);transform:translateY(-4px);}
.stat-num{font-size:clamp(30px,3.6vw,42px);font-weight:800;line-height:1.1;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums;}
.stat-num small{font-size:14px;font-weight:600;margin-left:4px;color:rgba(255,255,255,.72);-webkit-text-fill-color:rgba(255,255,255,.72);}
.stat-label{margin-top:10px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.7;}
.flow-line{margin-top:44px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.flow-step{display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.86);background:rgba(255,255,255,.04);}
.flow-step b{color:#fff;font-variant-numeric:tabular-nums;}
.flow-dash{flex:0 0 auto;width:36px;height:2px;background-image:linear-gradient(90deg,var(--brand-coral),var(--brand-violet));background-size:8px 2px;background-repeat:repeat-x;}

/* ---------- FAQ ---------- */
.faq-section{padding:0 0 88px;}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head h2{font-size:clamp(24px,3.2vw,34px);line-height:1.3;}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:15px;}
.faq-list{max-width:900px;}
.faq-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;transition:var(--trans);margin-bottom:14px;}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand-grad);opacity:0;transition:var(--trans);}
.faq-item.is-open::before{opacity:1;}
.faq-item.is-open{box-shadow:var(--sh-2);}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;min-height:56px;padding:16px 24px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;transition:var(--trans);}
.faq-q:hover{color:var(--brand-rose);}
.faq-arrow{flex:0 0 auto;width:22px;height:22px;color:var(--ink-3);transition:transform var(--trans);}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);color:var(--brand-rose);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s cubic-bezier(.2,.7,.3,1);}
.faq-item.is-open .faq-a{max-height:360px;}
.faq-a p{padding:0 24px 22px;font-size:14px;line-height:1.9;color:var(--ink-2);}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 88px;}
.cta-inner{position:relative;border-radius:var(--r-lg);background:var(--brand-grad);padding:44px 44px;display:flex;align-items:center;justify-content:space-between;gap:28px;overflow:hidden;box-shadow:var(--sh-2);}
.cta-inner::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.14);}
.cta-text{position:relative;z-index:1;max-width:620px;}
.cta-text h2{color:#fff;font-size:clamp(22px,2.8vw,30px);line-height:1.35;}
.cta-text p{color:rgba(255,255,255,.9);margin-top:10px;font-size:15px;}
.cta-inner .btn{position:relative;z-index:1;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand{position:static;transform:none;padding:0;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text small{color:rgba(255,255,255,.5);}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:34em;}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68);transition:var(--trans);}
.footer-links a:hover{color:var(--accent-mint);transform:translateX(3px);}
.footer-sub p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin-bottom:14px;}
.sub-form{display:flex;gap:10px;flex-wrap:wrap;}
.sub-form input{flex:1 1 160px;min-width:0;padding:12px 16px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;transition:var(--trans);}
.sub-form input::placeholder{color:rgba(255,255,255,.42);}
.sub-form input:focus{outline:none;border-color:var(--brand-rose);background:rgba(255,255,255,.1);}
.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:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.48);}
.footer-bottom a{color:rgba(255,255,255,.62);transition:var(--trans);}
.footer-bottom a:hover{color:var(--accent-mint);}

/* ---------- 移动端抽屉 ---------- */
.hamburger{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;transition:var(--trans);}
.hamburger:hover{border-color:var(--brand-rose);}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);position:relative;}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}
.drawer-mask{position:fixed;inset:0;background:rgba(23,18,43,.55);opacity:0;visibility:hidden;transition:var(--trans);z-index:90;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;left:0;bottom:0;width:82vw;max-width:340px;background:#fff;z-index:100;transform:translateX(-102%);transition:transform .3s cubic-bezier(.2,.7,.3,1);display:flex;flex-direction:column;overflow-y:auto;}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line);}
.drawer-close{width:36px;height:36px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:18px;color:var(--ink-2);cursor:pointer;line-height:1;}
.drawer-close:hover{border-color:var(--brand-rose);color:var(--brand-rose);}
.drawer-nav{display:flex;flex-direction:column;padding:8px 0;}
.drawer-nav a{display:flex;align-items:center;min-height:52px;padding:0 22px;font-size:15px;color:var(--ink-2);border-bottom:1px solid var(--line);transition:var(--trans);}
.drawer-nav a.is-active{color:var(--brand-rose);font-weight:600;background:var(--brand-grad-soft);}
.drawer-nav a:hover{background:var(--brand-grad-soft);color:var(--ink);}
.drawer-cta{padding:20px 22px;}
.drawer-foot{padding:20px 22px 28px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);line-height:1.8;}

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

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .nav-side{gap:20px;}
  .nav-link{font-size:14px;}
  .layout{gap:32px;}
}
@media (max-width:1024px){
  .nav-side,.nav-side-right{display:none;}
  .hamburger{display:inline-flex;}
  .header-inner{min-height:56px;}
  .brand-mark{width:34px;height:34px;border-radius:10px;}
  .brand-mark svg{width:20px;height:20px;}
  .brand-text strong{font-size:15px;}
  .brand-text small{font-size:10px;letter-spacing:1px;}
  .hero-flex{grid-template-columns:1fr;gap:32px;}
  .layout{grid-template-columns:1fr;}
  .anchor-col{display:none;}
  .anchor-chips{display:flex;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .data-band{padding:64px 0;margin-bottom:64px;}
  .main-section,.faq-section,.cta-band{padding-bottom:64px;}
}
@media (max-width:768px){
  .page-hero{padding:18px 0 40px;}
  .hero-title{font-size:clamp(26px,7vw,34px);}
  .feature-block{padding:24px 20px;}
  .block-head{gap:14px;}
  .block-icon{width:44px;height:44px;border-radius:14px;}
  .block-head h2{font-size:19px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:32px 24px;}
  .cta-inner .btn{width:100%;}
  .faq-q{padding:14px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:56px 0 0;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .hero-actions .btn{width:100%;}
  .hero-badges{gap:8px;}
  .mini-badge{font-size:12px;padding:6px 12px;}
  .stat-grid{grid-template-columns:1fr;}
  .flow-dash{display:none;}
  .flow-line{gap:10px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}