/* roulang page: index */
:root{
  --c-brand-1:#FF5A1F;
  --c-brand-2:#FF2E6E;
  --c-brand-3:#7B5CFF;
  --c-accent:#12D6B4;
  --c-ink:#1B1622;
  --c-ink-2:#5B5566;
  --c-ink-3:#918B9C;
  --c-bg:#FFF7F2;
  --c-surface:#FFFFFF;
  --c-surface-2:#FFF1E8;
  --c-dark:#17131F;
  --c-line:#F1E6DE;
  --c-deep:#E23E00;
  --r-xs:10px; --r-sm:14px; --r-md:18px; --r-lg:24px; --r-xl:32px; --r-pill:999px;
  --sh-1:0 2px 8px rgba(27,22,34,.06);
  --sh-2:0 10px 28px rgba(255,90,31,.10);
  --sh-3:0 20px 48px rgba(255,90,31,.18);
  --grad:linear-gradient(118deg,#FF5A1F 0%,#FF2E6E 48%,#7B5CFF 100%);
  --grad-hover:linear-gradient(100deg,#F04E14 0%,#F02662 48%,#6C4DF2 100%);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-brand-1);outline-offset:2px;border-radius:6px}

.container-x{max-width:1200px;margin:0 auto;padding:0 20px;width:100%}
@media (min-width:1024px){.container-x{padding:0 32px}}

/* ---------- 顶部固定区 ---------- */
.site-top{position:sticky;top:0;z-index:60;background:rgba(255,247,242,.96);backdrop-filter:blur(2px);border-bottom:1px solid var(--c-line)}
.site-top.is-scrolled{box-shadow:var(--sh-1)}

/* 倒计时条 */
.topbar{background:var(--grad);color:#fff;height:44px;display:flex;align-items:center}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;height:44px}
.topbar-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.topbar-tag .pulse{width:8px;height:8px;border-radius:50%;background:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.28);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.countdown{display:flex;align-items:center;gap:6px;font-family:ui-monospace,'SF Mono',Consolas,monospace;font-variant-numeric:tabular-nums}
.cd-num{min-width:32px;height:28px;padding:0 6px;border-radius:8px;background:rgba(23,19,31,.42);display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800}
.cd-sep{font-weight:800;opacity:.85}
.topbar-btn{height:28px;padding:0 14px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.7);font-size:13px;font-weight:700;display:inline-flex;align-items:center;transition:background .2s var(--ease)}
.topbar-btn:hover{background:rgba(255,255,255,.22)}
@media (max-width:639px){
  .topbar-tag span.txt{display:none}
  .cd-num{min-width:26px;height:24px;font-size:12px;border-radius:6px}
  .topbar-btn{padding:0 10px}
}

/* 导航 */
.navbar{background:transparent}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em}
.logo-mark{width:36px;height:36px;border-radius:12px;background:var(--grad);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:15px;font-weight:800;box-shadow:var(--sh-2);flex:none}
.logo-text{display:inline-flex;align-items:center;gap:6px;font-size:17px;white-space:nowrap}
.logo-text .chip{display:inline-block;padding:1px 8px;border-radius:var(--r-pill);background:var(--c-surface-2);color:var(--c-deep);font-size:13px;font-weight:800;border:1px solid rgba(255,90,31,.28)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;display:inline-flex;align-items:center;gap:6px;padding:8px 12px;font-size:15px;color:var(--c-ink-2);border-radius:var(--r-pill);transition:color .2s var(--ease),background .2s var(--ease)}
.nav-link::after{content:"";position:absolute;left:50%;bottom:2px;width:0;height:3px;border-radius:3px;background:var(--grad);transform:translateX(-50%);transition:width .22s var(--ease)}
.nav-link:hover{color:var(--c-ink);background:var(--c-surface-2)}
.nav-link:hover::after{width:18px}
.nav-link.active{color:var(--c-ink);font-weight:700}
.nav-link.active::after{width:18px}
.nav-link.active::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:50%;background:var(--c-brand-1)}
.nav-cta{display:inline-flex;align-items:center;gap:6px;height:42px;padding:0 20px;border-radius:var(--r-pill);background:var(--grad);color:#fff;font-size:15px;font-weight:800;box-shadow:var(--sh-2);transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);white-space:nowrap}
.nav-cta:hover{transform:translateY(-2px);box-shadow:var(--sh-3);background:var(--grad-hover)}
.burger{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--c-line);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (max-width:1023px){
  .nav-links,.nav-cta{display:none}
  .burger{display:flex}
}
.drawer{position:fixed;inset:0;z-index:80;background:#fff;transform:translateX(100%);transition:transform .28s var(--ease);display:flex;flex-direction:column;padding:20px}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--c-line)}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--c-ink-2)}
.drawer-list{margin-top:10px;flex:1;overflow:auto}
.drawer-list a{display:flex;align-items:center;justify-content:space-between;padding:16px 4px;font-size:18px;font-weight:700;border-bottom:1px solid var(--c-line);color:var(--c-ink)}
.drawer-list a span.arw{color:var(--c-ink-3);font-weight:400}
.drawer-foot{margin-top:16px}
.drawer-foot .btn-grad{width:100%;justify-content:center}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-pill);font-size:16px;font-weight:800;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);white-space:nowrap}
.btn-grad{background:var(--grad);color:#fff;box-shadow:var(--sh-2)}
.btn-grad:hover{background:var(--grad-hover);transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn-outline{background:#fff;color:var(--c-ink);border:1.5px solid rgba(255,90,31,.32)}
.btn-outline:hover{transform:translateY(-2px);border-color:var(--c-brand-1);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;color:var(--c-deep);font-weight:800;height:auto;padding:4px 2px;border-radius:6px}
.btn-ghost:hover{color:var(--c-brand-1)}
.btn-ghost .arw{transition:transform .2s var(--ease);display:inline-block}
.btn-ghost:hover .arw{transform:translateX(4px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled{opacity:.4;box-shadow:none;transform:none;cursor:not-allowed}

/* ---------- 通用区块 ---------- */
main{display:block}
.section{padding:40px 0}
@media (min-width:768px){.section{padding:64px 0}}
@media (min-width:1024px){.section{padding:88px 0}}
.section-alt{background:var(--c-surface-2)}
.section-head{max-width:760px;margin-bottom:24px}
@media (min-width:1024px){.section-head{margin-bottom:28px}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;color:var(--c-deep);letter-spacing:.06em;text-transform:uppercase}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:3px;background:var(--grad)}
h2.section-title{font-size:clamp(1.5rem,3vw,2.25rem);font-weight:800;line-height:1.2;letter-spacing:-.02em;margin-top:12px}
.section-sub{margin-top:12px;color:var(--c-ink-2);font-size:16px;max-width:680px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:48px 0 40px}
.hero::before{content:"";position:absolute;right:-160px;top:-180px;width:640px;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(255,90,31,.20),rgba(255,90,31,0) 68%);pointer-events:none}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;background-image:linear-gradient(rgba(27,22,34,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(27,22,34,.5) 1px,transparent 1px);background-size:44px 44px}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media (min-width:1024px){.hero-grid{grid-template-columns:6fr 5fr;gap:48px;padding:24px 0 8px}}
.hero-title{font-size:clamp(2.25rem,5.2vw,4rem);font-weight:800;line-height:1.12;letter-spacing:-.02em;margin-top:18px}
.hero-sub{margin-top:18px;font-size:17px;color:var(--c-ink-2);line-height:1.85;max-width:560px}
.hero-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:14px}
.badge-row{margin-top:28px;display:flex;gap:12px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
.badge-row::-webkit-scrollbar{display:none}
.stat-badge{flex:none;min-width:118px;background:var(--c-surface-2);border:1px solid rgba(255,90,31,.28);border-radius:var(--r-md);padding:12px 16px}
.stat-badge b{display:block;font-size:24px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:0;color:var(--c-deep);line-height:1.2}
.stat-badge span{display:block;font-size:12px;color:var(--c-ink-2);margin-top:2px}
.hero-visual{position:relative}
.hero-visual img{width:100%;height:320px;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--c-line);box-shadow:var(--sh-2);background:var(--c-surface-2)}
@media (min-width:768px){.hero-visual img{height:400px}}
@media (min-width:1024px){.hero-visual img{height:440px}}
.float-badge{position:absolute;right:16px;bottom:-18px;background:#fff;border:1.5px solid rgba(255,90,31,.32);border-radius:var(--r-md);padding:10px 16px;box-shadow:var(--sh-2)}
.float-badge b{display:block;font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--c-deep);line-height:1.15}
.float-badge span{font-size:12px;color:var(--c-ink-2)}

/* 栏目胶囊行 */
.cat-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.cat-pill{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);font-size:14px;font-weight:700;color:var(--c-ink-2);transition:transform .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease)}
.cat-pill:hover{transform:translateY(-2px);border-color:var(--c-brand-1);color:var(--c-deep);box-shadow:var(--sh-2)}
.cat-pill i{width:6px;height:6px;border-radius:50%;background:var(--c-brand-1);font-style:normal}

/* ---------- 卖点区 ---------- */
.sell-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.sell-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.sell-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);display:flex;flex-direction:column;gap:12px;position:relative}
.sell-card:hover{transform:translateY(-2px);border-color:var(--c-brand-1);box-shadow:var(--sh-3)}
.sell-card.span-2{grid-column:span 1}
@media (min-width:768px){.sell-card.span-2{grid-column:span 2;flex-direction:row;align-items:center;gap:24px}}
.sell-num{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:28px;padding:0 12px;border-radius:var(--r-pill);border:1.5px solid rgba(255,90,31,.4);color:var(--c-deep);font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;background:#fff}
.sell-card h3{font-size:1.25rem;font-weight:700;line-height:1.35}
.sell-card p{color:var(--c-ink-2);font-size:15px;line-height:1.8}
.sell-card .go{margin-top:auto;align-self:flex-start;font-size:14px;font-weight:800;color:var(--c-deep)}
.sell-media{flex:none;width:100%;height:170px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--c-line);background:var(--c-surface-2)}
.sell-media img{width:100%;height:100%;object-fit:cover}
@media (min-width:768px){.sell-media{width:240px;height:160px}}
.sell-body{display:flex;flex-direction:column;gap:10px;flex:1}
.sell-foot{margin-top:26px}

/* ---------- 图墙 ---------- */
.wall{display:grid;grid-template-columns:1fr;gap:16px;grid-auto-rows:200px}
@media (min-width:640px){.wall{grid-template-columns:repeat(2,1fr);gap:18px}}
@media (min-width:1024px){.wall{grid-template-columns:repeat(4,1fr);gap:24px;grid-auto-rows:190px}}
.wall-item{position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--c-line);background:var(--c-surface-2);display:block}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.wall-item:hover img{transform:scale(1.05)}
.wall-item::after{content:"";position:absolute;inset:auto 0 0 0;height:62%;background:linear-gradient(to top,rgba(23,19,31,.88),rgba(23,19,31,0))}
.wall-cap{position:absolute;left:18px;right:18px;bottom:16px;z-index:2;color:#fff}
.wall-cap h3{font-size:1.125rem;font-weight:700;line-height:1.35}
.wall-cap .tag{display:inline-block;margin-top:8px;padding:3px 10px;border-radius:var(--r-pill);background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.4);font-size:12px;font-weight:700}
.wall-badge{position:absolute;top:14px;right:14px;z-index:2;padding:4px 12px;border-radius:var(--r-pill);background:var(--grad);color:#fff;font-size:12px;font-weight:800;box-shadow:var(--sh-2)}
@media (min-width:1024px){
  .wall-item.w-2r{grid-column:span 2;grid-row:span 2}
  .wall-item.w-2c{grid-column:span 2}
}
.wall-foot{margin-top:26px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* ---------- CTA 表单大卡 ---------- */
.cta-shell{margin:0 auto;max-width:1120px;border-radius:var(--r-xl);padding:1.5px;background:var(--grad);box-shadow:var(--sh-3)}
.cta-card{background:#fff;border-radius:calc(var(--r-xl) - 1.5px);padding:28px;display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:1024px){.cta-card{grid-template-columns:1fr 1fr;padding:48px;gap:48px;align-items:center}}
.cta-card h2{font-size:clamp(1.5rem,3vw,2.25rem);font-weight:800;line-height:1.2;letter-spacing:-.02em}
.cta-card p{margin-top:14px;color:var(--c-ink-2);font-size:16px}
.cta-points{margin-top:20px;display:grid;gap:10px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--c-ink-2)}
.cta-points li i{flex:none;width:18px;height:18px;border-radius:50%;background:rgba(18,214,180,.16);color:#0E9E86;font-size:12px;display:inline-flex;align-items:center;justify-content:center;font-style:normal;font-weight:800;margin-top:4px}
.form-card{background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:22px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--c-ink-2);margin-bottom:8px}
.field input[type="text"],.field input[type="tel"]{width:100%;height:48px;padding:0 16px;border-radius:var(--r-sm);border:1px solid var(--c-line);background:#fff;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.field input::placeholder{color:var(--c-ink-3)}
.field input:focus{outline:none;border-color:var(--c-brand-1);box-shadow:0 0 0 3px rgba(255,90,31,.12)}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--c-ink-2);line-height:1.7;margin:14px 0 16px}
.agree input{width:16px;height:16px;margin-top:4px;accent-color:var(--c-brand-1);flex:none}
.form-card .btn-grad{width:100%}
.form-msg{margin-top:12px;font-size:13px;color:var(--c-deep);min-height:20px}
.form-msg.ok{color:#0E9E86;font-weight:700}

/* ---------- 资讯列表（CMS） ---------- */
.news-wrap{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.news-item{display:flex;gap:16px;padding:18px 20px;border-bottom:1px solid var(--c-line);transition:background .2s var(--ease),padding-left .2s var(--ease)}
.news-item:last-child{border-bottom:none}
.news-item:hover{background:var(--c-surface-2)}
.news-thumb{flex:none;width:96px;height:96px;border-radius:var(--r-sm);overflow:hidden;background:var(--c-surface-2);border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-thumb .ph{font-size:13px;font-weight:800;color:var(--c-deep);letter-spacing:.04em}
.news-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}
.news-body h3{font-size:18px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:14px;color:var(--c-ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:2px}
.tag-pill{display:inline-flex;align-items:center;padding:2px 10px;border-radius:var(--r-pill);background:var(--c-surface-2);border:1px solid rgba(255,90,31,.28);color:var(--c-deep);font-size:12px;font-weight:700}
.news-meta time{font-size:13px;color:var(--c-ink-3);font-variant-numeric:tabular-nums}
.news-go{margin-left:auto;font-size:13px;font-weight:800;color:var(--c-deep);transition:transform .2s var(--ease)}
.news-item:hover .news-go{transform:translateX(4px)}
.empty-state{padding:36px 20px;text-align:center;color:var(--c-ink-2);font-size:15px}
.empty-state .btn{margin-top:16px}
@media (max-width:520px){
  .news-thumb{width:72px;height:72px}
  .news-body h3{font-size:16px}
  .news-item{padding:16px}
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-item.open{border-color:rgba(255,90,31,.5);box-shadow:var(--sh-2)}
.faq-q{width:100%;display:flex;align-items:center;gap:14px;padding:18px 20px;text-align:left;font-size:16px;font-weight:700}
.faq-idx{flex:none;display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:26px;border-radius:var(--r-pill);border:1.5px solid rgba(255,90,31,.4);color:var(--c-deep);font-size:12px;font-weight:800;font-variant-numeric:tabular-nums}
.faq-q .plus{margin-left:auto;flex:none;font-size:20px;line-height:1;color:var(--c-ink-3);transition:transform .24s var(--ease),color .24s var(--ease)}
.faq-item.open .plus{transform:rotate(45deg);color:var(--c-brand-1)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease),padding .24s var(--ease)}
.faq-a-inner{padding:0 20px 20px 74px;color:var(--c-ink-2);font-size:15px;line-height:1.85}
@media (max-width:639px){.faq-a-inner{padding:0 18px 18px 18px}}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:88px;background:var(--c-dark);color:rgba(255,255,255,.72);position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.footer-inner{padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text .chip{background:rgba(255,255,255,.1);color:#FFB08C;border-color:rgba(255,255,255,.22)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px}
.footer-tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{font-size:12px;padding:3px 10px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);color:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.14)}
.footer-col h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block}
.footer-col a:hover{color:var(--c-brand-1);transform:translateX(-2px)}
.footer-col li{font-size:14px}
.footer-bottom{margin-top:40px;border-top:1px solid rgba(255,255,255,.10);padding:20px 0 28px;font-size:13px;color:rgba(255,255,255,.5);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}

/* 滚动条与动效 */
@media (min-width:1024px){.container-x{max-width:1200px}}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --c-brand-1:#FF5A1F;
  --c-brand-2:#FF2E6E;
  --c-brand-3:#7B5CFF;
  --c-accent:#12D6B4;
  --c-ink:#1B1622;
  --c-ink-2:#5B5566;
  --c-ink-3:#918B9C;
  --c-bg:#FFF7F2;
  --c-surface:#FFFFFF;
  --c-surface-2:#FFF1E8;
  --c-dark:#17131F;
  --c-line:#F1E6DE;
  --c-brand-deep:#E23E00;
  --grad:linear-gradient(118deg,#FF5A1F 0%,#FF2E6E 48%,#7B5CFF 100%);
  --grad-hover:linear-gradient(100deg,#F24E14 0%,#F02463 48%,#6C4BF2 100%);
  --r-xs:10px; --r-sm:14px; --r-md:18px; --r-lg:24px; --r-xl:32px; --r-pill:999px;
  --sh-1:0 2px 8px rgba(27,22,34,.06);
  --sh-2:0 10px 28px rgba(255,90,31,.10);
  --sh-3:0 20px 48px rgba(255,90,31,.18);
  --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:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
  background:var(--c-bg);
  color:var(--c-ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
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(--c-brand-1);outline-offset:2px;border-radius:6px}
.container-x{max-width:1200px;margin:0 auto;padding:0 20px;width:100%}
@media (min-width:1024px){ .container-x{padding:0 32px} }

/* ============ 导航 ============ */
.navbar{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .22s var(--ease);
}
.navbar.is-stuck{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:18px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad);
  color:#fff;font-weight:800;font-size:18px;
  display:inline-flex;align-items:center;justify-content:center;
  letter-spacing:0;
  box-shadow:var(--sh-2);
}
.logo-text{
  font-size:18px;font-weight:800;color:var(--c-ink);
  letter-spacing:-.01em;white-space:nowrap;
  display:inline-flex;align-items:center;gap:4px;
}
.logo-text .chip{
  display:inline-block;padding:1px 9px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;font-size:13px;font-weight:700;
  line-height:1.6;
}
.nav-links{display:flex;align-items:center;justify-content:center;gap:2px;flex:1 1 auto}
.nav-link{
  position:relative;
  padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--c-ink-2);
  transition:color .2s var(--ease),background .2s var(--ease);
  white-space:nowrap;
}
.nav-link:hover{color:var(--c-ink);background:var(--c-surface-2)}
.nav-link.active{color:var(--c-ink);font-weight:700}
.nav-link.active::after{
  content:'';position:absolute;left:50%;bottom:2px;
  transform:translateX(-50%);
  width:18px;height:3px;border-radius:var(--r-pill);
  background:var(--grad);
}
.nav-cta{
  flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;font-size:14.5px;font-weight:700;
  box-shadow:var(--sh-2);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.nav-cta:hover{background:var(--grad-hover);transform:translateY(-2px);box-shadow:var(--sh-3)}
.nav-cta:active{transform:translateY(0)}
.burger{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--c-line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .22s var(--ease),opacity .22s var(--ease)}
.burger:hover{border-color:var(--c-brand-1);box-shadow:var(--sh-1)}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (max-width:1023px){
  .burger{display:flex;margin-left:auto}
  .nav-cta{display:none}
  .nav-links{
    position:fixed;left:0;right:0;top:72px;bottom:0;
    background:#fff;
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:0;padding:8px 20px 120px;
    overflow-y:auto;
    transform:translateY(-10px);opacity:0;pointer-events:none;
    transition:transform .24s var(--ease),opacity .24s var(--ease);
    z-index:55;
  }
  .nav-links.open{transform:none;opacity:1;pointer-events:auto}
  .nav-link{
    padding:17px 4px;font-size:18px;border-radius:0;
    border-bottom:1px solid var(--c-line);
  }
  .nav-link:hover{background:transparent;color:var(--c-brand-deep)}
  .nav-link.active{color:var(--c-brand-deep)}
  .nav-link.active::after{display:none}
}

/* ============ 面包屑 & 文章卡片 ============ */
.article-wrap{padding:26px 0 0}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-ink-3);margin-bottom:18px;
  letter-spacing:.01em;
}
.breadcrumb a{color:var(--c-ink-2);transition:color .18s var(--ease)}
.breadcrumb a:hover{color:var(--c-brand-1)}
.breadcrumb .sep{color:var(--c-ink-3)}
.breadcrumb .current{
  color:var(--c-ink-3);
  max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
@media (max-width:640px){ .breadcrumb .current{max-width:180px} }

.article-card{
  max-width:860px;margin:0 auto;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:26px 20px 32px;
}
@media (min-width:768px){ .article-card{padding:40px 44px 48px} }
@media (min-width:1024px){ .article-card{padding:48px 56px 56px} }

.article-head{border-bottom:1px solid var(--c-line);padding-bottom:22px;margin-bottom:26px}
.cat-pill{
  display:inline-block;padding:5px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,90,31,.35);
  background:var(--c-surface-2);
  color:var(--c-brand-deep);font-size:13px;font-weight:700;
  line-height:1.6;
}
.article-title{
  font-size:clamp(1.55rem,4vw,2.4rem);
  font-weight:800;line-height:1.24;letter-spacing:-.02em;
  color:var(--c-ink);margin:16px 0 16px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  font-size:13px;color:var(--c-ink-3);letter-spacing:.01em;
}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:6px}
.mini-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 12px;border-radius:var(--r-pill);
  border:1px solid rgba(18,214,180,.45);
  background:rgba(18,214,180,.10);
  color:#0E9C85;font-size:12px;font-weight:700;line-height:1.7;
}

/* ============ 正文排版 ============ */
.article-body{font-size:16.5px;line-height:1.9;color:var(--c-ink-2);overflow-wrap:anywhere}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;
  font-size:clamp(1.3rem,2.6vw,1.7rem);
  font-weight:800;line-height:1.35;color:var(--c-ink);
  margin:40px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:'';position:absolute;left:0;top:7px;bottom:7px;width:4px;
  border-radius:var(--r-pill);background:var(--grad);
}
.article-body h3{
  font-size:1.22rem;font-weight:700;line-height:1.4;color:var(--c-ink);
  margin:28px 0 12px;
}
.article-body h4{font-size:1.05rem;font-weight:700;color:var(--c-ink);margin:20px 0 10px}
.article-body strong{color:var(--c-ink);font-weight:700}
.article-body a{color:var(--c-brand-deep);text-decoration:underline;text-underline-offset:3px;transition:color .18s var(--ease)}
.article-body a:hover{color:var(--c-brand-2)}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 20px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:9px}
.article-body li::marker{color:var(--c-brand-1);font-weight:700}
.article-body img{border-radius:16px;margin:24px auto;border:1px solid var(--c-line)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;text-align:center;color:var(--c-ink-3);margin-top:10px}
.article-body blockquote{
  margin:24px 0;padding:18px 20px;
  background:var(--c-surface-2);
  border-left:4px solid var(--c-brand-1);
  border-radius:0 14px 14px 0;
  color:var(--c-ink);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;margin:24px 0;font-size:15px;
}
.article-body thead th{background:var(--c-surface-2);color:var(--c-ink);font-weight:700;text-align:left}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--c-line)}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body pre{
  background:var(--c-dark);color:#F4EFEA;
  padding:18px 20px;border-radius:16px;overflow-x:auto;
  font-family:ui-monospace,'SF Mono',Consolas,monospace;
  font-size:14px;line-height:1.7;margin:24px 0;
}
.article-body code{
  font-family:ui-monospace,'SF Mono',Consolas,monospace;
  font-size:.92em;background:var(--c-surface-2);
  padding:2px 6px;border-radius:6px;color:var(--c-brand-deep);
}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0}

.empty-state{text-align:center;padding:56px 16px}
.empty-state p{font-size:16px;color:var(--c-ink-2);margin-bottom:20px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-2)}
.btn-primary:hover{background:var(--grad-hover);transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-outline{background:#fff;border:1px solid var(--c-line);color:var(--c-ink)}
.btn-outline:hover{border-color:var(--c-brand-1);color:var(--c-brand-deep);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-outline:active{transform:translateY(0)}
.btn-group{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:34px}

/* ============ 相关推荐 ============ */
.related-section{padding:64px 0 0}
@media (min-width:1024px){ .related-section{padding:88px 0 0} }
.section-title{
  font-size:clamp(1.3rem,2.6vw,1.7rem);
  font-weight:800;color:var(--c-ink);line-height:1.3;
  margin-bottom:8px;
}
.section-sub{font-size:14px;color:var(--c-ink-3);margin-bottom:24px}
.related-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:768px){ .related-grid{grid-template-columns:repeat(3,1fr)} }
.related-card{
  display:flex;flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.related-card:hover{transform:translateY(-3px);border-color:rgba(255,90,31,.6);box-shadow:var(--sh-3)}
.related-thumb{aspect-ratio:16/10;background:var(--c-surface-2);overflow:hidden}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.related-card:hover .related-thumb img{transform:scale(1.05)}
.related-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.related-body h3{font-size:17px;font-weight:700;line-height:1.45;color:var(--c-ink)}
.related-body p{font-size:14px;line-height:1.7;color:var(--c-ink-2)}
.related-tag{
  align-self:flex-start;font-size:12px;font-weight:700;
  padding:3px 11px;border-radius:var(--r-pill);
  background:var(--c-surface-2);color:var(--c-brand-deep);
  border:1px solid rgba(255,90,31,.28);
}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:var(--c-dark);
  color:rgba(255,255,255,.72);
  margin-top:72px;
  padding-top:60px;
}
@media (min-width:1024px){ .site-footer{margin-top:96px} }
.site-footer::before{
  content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);
}
.footer-grid{display:grid;gap:34px;grid-template-columns:1fr;padding-bottom:42px}
@media (min-width:768px){ .footer-grid{grid-template-columns:1fr 1fr} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px} }
.footer-brand .logo-text{color:#fff;font-size:19px}
.footer-brand p{
  font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);
  margin:16px 0 18px;max-width:330px;
}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{
  font-size:12px;padding:4px 12px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.72);
}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col li{font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.62)}
.footer-col a{
  font-size:13.5px;color:rgba(255,255,255,.72);
  display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a:hover{color:var(--c-brand-1);transform:translateX(-2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0 30px;
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.52);line-height:1.7;
}

/* 载入动画 */
@keyframes riseIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.rise{animation:riseIn .45s var(--ease) both}
.rise-2{animation-delay:.08s}
.rise-3{animation-delay:.16s}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
    --c-brand-1:#FF5A1F;
    --c-brand-2:#FF2E6E;
    --c-brand-3:#7B5CFF;
    --c-accent:#12D6B4;
    --c-ink:#1B1622;
    --c-ink-2:#5B5566;
    --c-ink-3:#918B9C;
    --c-bg:#FFF7F2;
    --c-surface:#FFFFFF;
    --c-surface-2:#FFF1E8;
    --c-dark:#17131F;
    --c-line:#F1E6DE;
    --c-danger:#E23E00;
    --r-xs:10px; --r-sm:14px; --r-md:18px; --r-lg:24px; --r-xl:32px; --r-pill:999px;
    --sh-1:0 2px 8px rgba(27,22,34,.06);
    --sh-2:0 10px 28px rgba(255,90,31,.10);
    --sh-3:0 20px 48px rgba(255,90,31,.18);
    --grad:linear-gradient(118deg,#FF5A1F 0%,#FF2E6E 48%,#7B5CFF 100%);
    --grad-hover:linear-gradient(100deg,#F04A10 0%,#F02461 48%,#6A4BF2 100%);
    --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:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
    background:var(--c-bg);
    color:var(--c-ink);
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border-style:none;}
  a{color:inherit;text-decoration:none;}
  button,input,select{font:inherit;color:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:2px solid var(--c-brand-1);outline-offset:2px;border-radius:6px;}

  .container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
  @media (min-width:1024px){ .container-x{padding-left:32px;padding-right:32px;} }

  .grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;color:var(--c-ink-2);background:var(--c-surface);
    border:1px solid var(--c-line);border-radius:var(--r-pill);padding:6px 14px;box-shadow:var(--sh-1);
  }
  .eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);}

  /* ============ 导航 ============ */
  .navbar{
    position:sticky;top:0;z-index:60;background:#FFFFFF;
    border-bottom:1px solid var(--c-line);transition:box-shadow .22s var(--ease);
  }
  .navbar.is-scrolled{box-shadow:var(--sh-1);}
  .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
  .logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
  .logo-mark{
    width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;
    display:grid;place-items:center;font-size:18px;font-weight:800;letter-spacing:0;
  }
  .logo-text{
    display:inline-flex;align-items:center;gap:6px;
    font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);
  }
  .chip{
    background:var(--grad);color:#fff;border-radius:var(--r-pill);
    padding:2px 9px;font-size:12px;font-weight:700;line-height:1.7;
  }
  .nav-links{display:none;align-items:center;gap:4px;}
  @media (min-width:1024px){ .nav-links{display:flex;} }
  .nav-link{
    position:relative;display:inline-block;padding:10px 14px;border-radius:10px;
    font-size:15px;color:var(--c-ink-2);transition:color .2s var(--ease),background-color .2s var(--ease);
  }
  .nav-link:hover{color:var(--c-ink);background:var(--c-surface-2);}
  .nav-link.active{color:var(--c-ink);font-weight:700;background:var(--c-surface-2);}
  .nav-link.active::after{
    content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
    width:18px;height:3px;border-radius:3px;background:var(--grad);
  }
  .nav-link.active::before{
    content:"";position:absolute;left:4px;top:50%;transform:translateY(-50%);
    width:6px;height:6px;border-radius:50%;background:var(--c-brand-1);
  }
  .nav-cta{
    display:none;align-items:center;justify-content:center;height:42px;padding:0 22px;
    border-radius:var(--r-pill);background:var(--grad);color:#fff;font-size:15px;font-weight:700;
    box-shadow:var(--sh-2);transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
  }
  @media (min-width:1024px){ .nav-cta{display:inline-flex;} }
  .nav-cta:hover{background:var(--grad-hover);transform:translateY(-1px);box-shadow:var(--sh-3);}
  .burger{
    width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;background:#fff;
    display:grid;place-content:center;gap:4px;cursor:pointer;transition:border-color .2s var(--ease);
  }
  .burger:hover{border-color:var(--c-brand-1);}
  .burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .22s var(--ease),opacity .22s var(--ease);}
  @media (min-width:1024px){ .burger{display:none;} }
  .burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
  .nav-drawer{
    display:none;border-top:1px solid var(--c-line);background:#fff;max-height:calc(100vh - 72px);overflow-y:auto;
  }
  .nav-drawer.open{display:block;}
  .nav-drawer ul{padding:8px 20px 0;}
  .nav-drawer li a{
    display:block;padding:16px 4px;font-size:18px;font-weight:600;color:var(--c-ink);
    border-bottom:1px solid var(--c-line);
  }
  .nav-drawer li a.active{color:var(--c-brand-1);}
  .drawer-cta{margin:16px 20px 24px;display:flex;align-items:center;justify-content:center;height:50px;border-radius:var(--r-pill);background:var(--grad);color:#fff;font-weight:700;}
  @media (min-width:1024px){ .nav-drawer{display:none !important;} }

  /* ============ 通用板块 ============ */
  .sec{padding-top:48px;padding-bottom:48px;}
  @media (min-width:768px){ .sec{padding-top:64px;padding-bottom:64px;} }
  @media (min-width:1024px){ .sec{padding-top:80px;padding-bottom:80px;} }
  .sec-soft{background:var(--c-surface-2);}
  .sec-head{max-width:760px;margin-bottom:28px;}
  .sec-head h2{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800;line-height:1.25;letter-spacing:-.01em;}
  .sec-head p{margin-top:12px;font-size:15px;color:var(--c-ink-2);}
  .sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}

  /* ============ Hero ============ */
  .hero{position:relative;overflow:hidden;background:var(--c-bg);padding-top:36px;padding-bottom:44px;}
  @media (min-width:1024px){ .hero{padding-top:56px;padding-bottom:72px;} }
  .hero::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:radial-gradient(760px 440px at 88% 4%,rgba(255,90,31,.16),transparent 62%);
  }
  .hero::after{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
    background-image:linear-gradient(to right,rgba(27,22,34,.5) 1px,transparent 1px),
                     linear-gradient(to bottom,rgba(27,22,34,.5) 1px,transparent 1px);
    background-size:52px 52px;
  }
  .hero-grid{position:relative;z-index:1;display:grid;gap:36px;}
  @media (min-width:1024px){ .hero-grid{grid-template-columns:6.2fr 5.8fr;align-items:center;gap:48px;} }
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:18px;}
  .breadcrumb a{color:var(--c-ink-2);}
  .breadcrumb a:hover{color:var(--c-brand-1);}
  .hero-title{
    font-size:clamp(2.05rem,5.1vw,3.5rem);font-weight:800;line-height:1.14;letter-spacing:-.02em;
  }
  .hero-sub{margin-top:18px;font-size:16px;color:var(--c-ink-2);max-width:520px;}
  @media (min-width:1024px){ .hero-sub{font-size:17px;} }
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
  .stat-row{display:flex;gap:12px;margin-top:26px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
  .stat-row::-webkit-scrollbar{display:none;}
  .stat-badge{
    flex:0 0 auto;min-width:126px;background:#fff;border:1px solid var(--c-brand-1);
    border-radius:var(--r-sm);padding:12px 16px;box-shadow:var(--sh-1);
  }
  .stat-badge b{display:block;font-size:24px;font-weight:800;line-height:1.1;color:var(--c-ink);font-variant-numeric:tabular-nums;}
  .stat-badge span{display:block;margin-top:4px;font-size:12px;color:var(--c-ink-3);}
  .hero-figure{position:relative;}
  .hero-figure img{
    width:100%;height:300px;object-fit:cover;border-radius:var(--r-lg);
    border:1px solid var(--c-line);box-shadow:var(--sh-2);background:var(--c-surface-2);
  }
  @media (min-width:1024px){ .hero-figure img{height:412px;} }
  .figure-badge{
    position:absolute;right:16px;bottom:-16px;background:#fff;border:1px solid var(--c-line);
    border-radius:var(--r-sm);padding:12px 16px;box-shadow:var(--sh-2);
  }
  .figure-badge b{display:block;font-size:22px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;}
  .figure-badge span{display:block;font-size:12px;color:var(--c-ink-3);margin-top:2px;}
  .anchor-row{position:relative;z-index:1;display:flex;gap:10px;overflow-x:auto;margin-top:34px;padding-bottom:4px;scrollbar-width:none;}
  .anchor-row::-webkit-scrollbar{display:none;}
  .anchor-pill{
    flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;
    border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);
    font-size:14px;color:var(--c-ink-2);box-shadow:var(--sh-1);transition:all .2s var(--ease);
  }
  .anchor-pill:hover{border-color:var(--c-brand-1);color:var(--c-brand-1);transform:translateY(-2px);}
  .anchor-pill i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 26px;border-radius:var(--r-pill);border:1px solid transparent;
    font-size:15px;font-weight:700;cursor:pointer;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  }
  .btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-2);}
  .btn-primary:hover{background:var(--grad-hover);transform:translateY(-2px);box-shadow:var(--sh-3);}
  .btn-primary:disabled{opacity:.4;box-shadow:none;transform:none;cursor:not-allowed;}
  .btn-ghost{background:#fff;border-color:var(--c-line);color:var(--c-ink);}
  .btn-ghost:hover{border-color:var(--c-brand-1);color:var(--c-brand-1);transform:translateY(-2px);box-shadow:var(--sh-1);}
  .btn-sm{height:38px;padding:0 18px;font-size:14px;}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--c-danger);}
  .link-arrow:hover{gap:10px;}

  /* ============ 数据条 ============ */
  .data-strip{
    display:grid;gap:1px;background:var(--c-line);border:1px solid var(--c-line);
    border-radius:var(--r-lg);overflow:hidden;grid-template-columns:repeat(2,1fr);
  }
  @media (min-width:900px){ .data-strip{grid-template-columns:repeat(4,1fr);} }
  .data-cell{background:#fff;padding:22px 20px;}
  .data-cell b{display:block;font-size:26px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;}
  .data-cell span{display:block;margin-top:6px;font-size:13px;color:var(--c-ink-3);}

  /* ============ 卡片 ============ */
  .card-lg{
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
    box-shadow:var(--sh-1);padding:24px;
    transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  }
  .card-lg:hover{transform:translateY(-2px);border-color:var(--c-brand-1);box-shadow:var(--sh-3);}
  .card-lg.dark-soft{background:var(--c-surface-2);}
  .grid-2x2{display:grid;gap:20px;}
  @media (min-width:900px){ .grid-2x2{grid-template-columns:repeat(2,minmax(0,1fr));} }
  .span-2{grid-column:1/-1;}
  .num-badge{
    display:inline-flex;align-items:center;justify-content:center;height:30px;min-width:44px;padding:0 12px;
    border-radius:var(--r-pill);border:1px solid var(--c-brand-1);color:var(--c-danger);
    font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;background:#fff;
  }
  .card-lg h3{margin-top:14px;font-size:1.2rem;font-weight:700;line-height:1.4;}
  .card-lg p.desc{margin-top:10px;font-size:14.5px;color:var(--c-ink-2);}
  .card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;}
  .split-card{display:grid;gap:20px;}
  @media (min-width:768px){ .split-card{grid-template-columns:1.15fr 1fr;align-items:center;} }
  .split-card img{width:100%;height:210px;object-fit:cover;border-radius:var(--r-md);border:1px solid var(--c-line);background:var(--c-surface-2);}
  @media (min-width:768px){ .split-card img{height:100%;min-height:210px;} }

  .tag{
    display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;
    padding:4px 12px;border-radius:var(--r-pill);background:var(--c-surface-2);color:var(--c-danger);
  }
  .tag-accent{background:rgba(18,214,180,.12);color:#0B8E78;}
  .tag-plain{background:#F5F1EE;color:var(--c-ink-2);}

  /* ============ 场次列表 ============ */
  .schedule-list{display:grid;gap:12px;}
  .schedule-row{
    display:grid;gap:14px;align-items:center;background:#fff;border:1px solid var(--c-line);
    border-radius:var(--r-md);padding:18px 20px;
    transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
  }
  @media (min-width:900px){ .schedule-row{grid-template-columns:2.2fr 1.2fr 1fr auto;gap:20px;} }
  .schedule-row:hover{background:var(--c-surface-2);border-color:var(--c-brand-1);transform:translateY(-2px);}
  .schedule-row h3{font-size:1.02rem;font-weight:700;}
  .schedule-row .meta{font-size:13px;color:var(--c-ink-3);margin-top:4px;}
  .schedule-row .quota{font-size:14px;color:var(--c-ink-2);font-variant-numeric:tabular-nums;}
  .state{
    display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:var(--r-pill);
    font-size:13px;font-weight:700;background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2);
  }
  .state i{width:8px;height:8px;border-radius:50%;background:var(--c-accent);}
  .state.warm{border-color:var(--c-brand-1);color:var(--c-danger);}
  .state.warm i{background:var(--c-brand-1);}

  /* ============ 流程 ============ */
  .steps{display:grid;gap:18px;}
  @media (min-width:700px){ .steps{grid-template-columns:repeat(2,minmax(0,1fr));} }
  @media (min-width:1024px){ .steps{grid-template-columns:repeat(4,minmax(0,1fr));} }
  .step{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease);}
  .step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
  .step b{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;background:var(--grad);color:#fff;font-size:15px;font-weight:800;}
  .step h3{margin-top:14px;font-size:1.03rem;font-weight:700;}
  .step p{margin-top:8px;font-size:14px;color:var(--c-ink-2);}

  /* ============ 口碑 ============ */
  .voice-grid{display:grid;gap:20px;}
  @media (min-width:700px){ .voice-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
  @media (min-width:1024px){ .voice-grid{grid-template-columns:repeat(3,minmax(0,1fr));} }
  .voice{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);}
  .voice p{font-size:15px;color:var(--c-ink-2);}
  .voice .who{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:18px;border-top:1px solid var(--c-line);}
  .avatar{width:40px;height:40px;border-radius:50%;background:var(--c-surface-2);display:grid;place-items:center;font-weight:800;color:var(--c-danger);}
  .voice .who span{font-size:13px;color:var(--c-ink-3);}

  /* ============ FAQ ============ */
  .faq-list{display:grid;gap:12px;}
  .faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);}
  .faq-item.open{border-color:var(--c-brand-1);box-shadow:var(--sh-2);}
  .faq-q{
    width:100%;display:flex;align-items:center;gap:14px;background:none;border:0;cursor:pointer;
    padding:18px 20px;text-align:left;
  }
  .faq-q .q-text{flex:1;font-size:16px;font-weight:700;color:var(--c-ink);}
  .faq-q .sign{
    flex:0 0 auto;width:26px;height:26px;display:grid;place-items:center;border-radius:50%;
    border:1px solid var(--c-line);color:var(--c-ink-2);font-size:16px;line-height:1;
    transition:transform .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
  }
  .faq-item.open .faq-q .sign{transform:rotate(45deg);color:var(--c-brand-1);border-color:var(--c-brand-1);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
  .faq-a p{padding:0 20px 20px 66px;font-size:14.5px;color:var(--c-ink-2);}

  /* ============ CTA 表单 ============ */
  .cta-card{
    border-radius:var(--r-xl);padding:2px;background:var(--grad);box-shadow:var(--sh-3);
  }
  .cta-inner{
    background:#fff;border-radius:calc(var(--r-xl) - 2px);padding:28px;
    display:grid;gap:28px;
  }
  @media (min-width:1024px){ .cta-inner{grid-template-columns:1fr 1fr;align-items:center;padding:40px;} }
  .cta-inner h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:800;line-height:1.25;}
  .cta-inner p{margin-top:14px;font-size:15px;color:var(--c-ink-2);}
  .cta-points{margin-top:18px;display:grid;gap:10px;}
  .cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--c-ink-2);}
  .cta-points li i{flex:0 0 auto;width:8px;height:8px;border-radius:50%;background:var(--c-accent);margin-top:9px;}
  .form{display:grid;gap:14px;}
  .field label{display:block;font-size:13px;color:var(--c-ink-2);margin-bottom:6px;}
  .field input,.field select{
    width:100%;height:48px;padding:0 16px;border-radius:var(--r-sm);
    border:1px solid var(--c-line);background:#fff;font-size:15px;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .field input:focus,.field select:focus{
    outline:none;border-color:var(--c-brand-1);box-shadow:0 0 0 3px rgba(255,90,31,.12);
  }
  .agree{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--c-ink-2);}
  .agree input{width:16px;height:16px;margin-top:4px;accent-color:var(--c-brand-1);}
  .form-note{font-size:12px;color:var(--c-ink-3);}
  .form-msg{font-size:13px;color:var(--c-danger);min-height:20px;}
  .form-msg.ok{color:#0B8E78;}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--c-dark);color:rgba(255,255,255,.82);position:relative;margin-top:24px;}
  .site-footer::before{content:"";display:block;height:4px;background:var(--grad);}
  .footer-inner{padding-top:48px;padding-bottom:24px;}
  .footer-grid{display:grid;gap:32px;}
  @media (min-width:700px){ .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;} }
  .footer-brand .logo-text{color:#fff;}
  .footer-brand p{margin-top:14px;font-size:14px;color:rgba(255,255,255,.72);max-width:320px;}
  .footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
  .footer-tags span{
    font-size:12px;padding:4px 12px;border-radius:var(--r-pill);
    border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.72);
  }
  .footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
  .footer-col li{margin-bottom:10px;}
  .footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block;}
  .footer-col a:hover{color:var(--c-brand-1);transform:translateX(-2px);}
  .footer-col li span{font-size:14px;color:rgba(255,255,255,.72);}
  .footer-bottom{
    margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.10);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.6);
  }

  /* ============ 动效 ============ */
  .fade-up{opacity:0;transform:translateY(12px);animation:fadeUp .5s var(--ease) forwards;}
  @keyframes fadeUp{to{opacity:1;transform:translateY(0);}}
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;}
    html{scroll-behavior:auto;}
  }

/* roulang page: category2 */
:root{
    --c-brand-1:#FF5A1F;
    --c-brand-2:#FF2E6E;
    --c-brand-3:#7B5CFF;
    --c-accent:#12D6B4;
    --c-ink:#1B1622;
    --c-ink-2:#5B5566;
    --c-ink-3:#918B9C;
    --c-bg:#FFF7F2;
    --c-surface:#FFFFFF;
    --c-surface-2:#FFF1E8;
    --c-dark:#17131F;
    --c-line:#F1E6DE;
    --c-deep:#E23E00;
    --grad:linear-gradient(118deg,#FF5A1F 0%,#FF2E6E 48%,#7B5CFF 100%);
    --grad-hover:linear-gradient(100deg,#F04E14 0%,#F02460 48%,#6B4BF0 100%);
    --r-xs:10px; --r-sm:14px; --r-md:18px; --r-lg:24px; --r-xl:32px; --r-pill:999px;
    --sh-1:0 2px 8px rgba(27,22,34,.06);
    --sh-2:0 10px 28px rgba(255,90,31,.10);
    --sh-3:0 20px 48px rgba(255,90,31,.18);
    --sh-dark:0 16px 40px rgba(23,19,31,.28);
    --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;
    background:var(--c-bg);
    color:var(--c-ink);
    font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
    font-size:17px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;cursor:pointer;}
  ul{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:2px solid var(--c-brand-1);outline-offset:2px;border-radius:6px;}

  .container-x{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media (min-width:1024px){
    .container-x{padding-left:32px;padding-right:32px;}
  }

  /* ============ 导航 ============ */
  .navbar{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(255,255,255,.96);
    border-bottom:1px solid var(--c-line);
    transition:box-shadow .22s var(--ease),background .22s var(--ease);
  }
  .navbar.scrolled{box-shadow:var(--sh-1);}
  .nav-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    height:68px;
  }
  .logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .logo-mark{
    width:38px;height:38px;flex:0 0 auto;
    display:flex;align-items:center;justify-content:center;
    border-radius:var(--r-sm);
    background:var(--grad);
    color:#fff;font-weight:800;font-size:19px;
    box-shadow:var(--sh-2);
  }
  .logo-text{
    font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);
    display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
  }
  .chip{
    display:inline-block;
    padding:2px 9px;
    border-radius:var(--r-pill);
    background:var(--grad);
    color:#fff;
    font-size:13px;
    font-weight:700;
    letter-spacing:.02em;
    line-height:1.5;
  }
  .nav-links{display:flex;align-items:center;gap:6px;}
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:10px 14px;
    font-size:15.5px;
    font-weight:600;
    color:var(--c-ink-2);
    border-radius:var(--r-xs);
    transition:color .2s var(--ease),background .2s var(--ease);
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:14px;right:14px;bottom:2px;
    height:3px;border-radius:3px;
    background:var(--grad);
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .22s var(--ease);
  }
  .nav-link:hover{color:var(--c-ink);}
  .nav-link:hover::after{transform:scaleX(.55);}
  .nav-link.active{color:var(--c-ink);font-weight:700;}
  .nav-link.active::after{transform:scaleX(1);}
  .nav-link.active::before{
    content:"";
    width:6px;height:6px;border-radius:50%;
    background:var(--c-brand-1);
    display:inline-block;
  }
  .nav-cta{
    display:inline-flex;align-items:center;justify-content:center;
    padding:11px 22px;
    border-radius:var(--r-pill);
    background:var(--grad);
    color:#fff;font-weight:700;font-size:15px;
    box-shadow:var(--sh-2);
    transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
  }
  .nav-cta:hover{background:var(--grad-hover);transform:translateY(-2px);box-shadow:var(--sh-3);}
  .nav-cta:active{transform:translateY(0);}
  .burger{
    display:none;
    width:44px;height:44px;
    border:1px solid var(--c-line);
    border-radius:var(--r-sm);
    background:#fff;
    flex-direction:column;align-items:center;justify-content:center;gap:5px;
  }
  .burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .22s var(--ease),opacity .22s var(--ease);}
  .burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .nav-drawer-cta{display:none;}

  @media (max-width:1023px){
    .nav-inner{height:62px;}
    .logo-text{font-size:17px;}
    .nav-cta{display:none;}
    .burger{display:flex;}
    .nav-links{
      position:fixed;
      top:62px;left:0;right:0;bottom:0;
      background:#fff;
      flex-direction:column;
      align-items:stretch;
      gap:0;
      padding:12px 20px 28px;
      overflow-y:auto;
      opacity:0;
      transform:translateY(-12px);
      pointer-events:none;
      transition:opacity .22s var(--ease),transform .22s var(--ease);
      border-top:1px solid var(--c-line);
    }
    .nav-links.open{opacity:1;transform:none;pointer-events:auto;}
    .nav-link{
      padding:16px 4px;
      font-size:18px;
      border-bottom:1px solid var(--c-line);
      border-radius:0;
    }
    .nav-link::after{left:4px;right:auto;width:22px;bottom:10px;}
    .nav-link.active::after{transform:scaleX(1);}
    .nav-drawer-cta{
      display:inline-flex;align-items:center;justify-content:center;
      margin-top:22px;padding:15px 24px;
      border-radius:var(--r-pill);
      background:var(--grad);
      color:#fff;font-weight:700;font-size:17px;
      box-shadow:var(--sh-2);
    }
  }

  /* ============ 通用区块 ============ */
  .section{padding-top:44px;padding-bottom:44px;}
  @media (min-width:768px){.section{padding-top:64px;padding-bottom:64px;}}
  @media (min-width:1024px){.section{padding-top:88px;padding-bottom:88px;}}
  .section-head{max-width:760px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;
    border-radius:var(--r-pill);
    background:var(--c-surface-2);
    border:1px solid rgba(255,90,31,.24);
    color:var(--c-deep);
    font-size:13px;font-weight:700;letter-spacing:.02em;
  }
  .eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);}
  h1{font-size:clamp(2.25rem,5.2vw,4rem);font-weight:800;line-height:1.12;letter-spacing:-.02em;}
  h2{font-size:clamp(1.5rem,3vw,2.25rem);font-weight:800;line-height:1.2;letter-spacing:-.01em;}
  h3{font-size:1.25rem;font-weight:700;line-height:1.35;}
  .lead{color:var(--c-ink-2);font-size:17px;line-height:1.85;}
  .muted{color:var(--c-ink-3);font-size:13px;letter-spacing:.01em;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:50px;
    padding:0 26px;
    border-radius:var(--r-pill);
    font-size:16px;font-weight:700;
    border:1px solid transparent;
    transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  }
  .btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-2);}
  .btn-primary:hover{background:var(--grad-hover);transform:translateY(-2px);box-shadow:var(--sh-3);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:#fff;color:var(--c-ink);border-color:var(--c-line);}
  .btn-ghost:hover{border-color:var(--c-brand-1);color:var(--c-deep);transform:translateY(-2px);box-shadow:var(--sh-2);}
  .btn-sm{min-height:44px;padding:0 20px;font-size:15px;}
  .link-more{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--c-deep);font-weight:700;font-size:15px;
    transition:gap .2s var(--ease),color .2s var(--ease);
  }
  .link-more:hover{gap:12px;color:var(--c-brand-1);}

  /* ============ 面包屑 ============ */
  .crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);flex-wrap:wrap;}
  .crumbs a{color:var(--c-ink-2);font-weight:600;}
  .crumbs a:hover{color:var(--c-deep);}
  .crumbs .sep{color:var(--c-line);font-weight:700;}
  .crumbs .now{color:var(--c-ink-3);}

  /* ============ Hero ============ */
  .hero{
    position:relative;
    overflow:hidden;
    padding-top:34px;
    padding-bottom:44px;
    background:
      radial-gradient(900px 460px at 88% -10%,rgba(255,90,31,.16),transparent 62%),
      radial-gradient(700px 420px at 8% 110%,rgba(123,92,255,.10),transparent 60%),
      var(--c-bg);
  }
  .hero::before{
    content:"";
    position:absolute;inset:0;
    background-image:linear-gradient(rgba(27,22,34,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(27,22,34,.045) 1px,transparent 1px);
    background-size:46px 46px;
    opacity:.5;
    pointer-events:none;
  }
  .hero-inner{position:relative;display:grid;grid-template-columns:1fr;gap:36px;align-items:center;}
  @media (min-width:1024px){
    .hero{padding-top:52px;padding-bottom:72px;}
    .hero-inner{grid-template-columns:7fr 5fr;gap:52px;}
  }
  .hero h1{margin:18px 0 16px;}
  .hl{
    background:var(--grad);
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;color:transparent;
  }
  .hero-sub{color:var(--c-ink-2);font-size:17px;line-height:1.8;max-width:560px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
  .badge-row{
    display:flex;gap:12px;margin-top:28px;
    overflow-x:auto;padding-bottom:4px;
    scrollbar-width:none;
  }
  .badge-row::-webkit-scrollbar{display:none;}
  .badge{
    flex:0 0 auto;
    min-width:118px;
    padding:12px 16px;
    border-radius:var(--r-md);
    background:#fff;
    border:1px solid rgba(255,90,31,.28);
    box-shadow:var(--sh-1);
  }
  .badge b{
    display:block;
    font-size:24px;font-weight:800;line-height:1.1;
    letter-spacing:0;
    color:var(--c-ink);
    font-variant-numeric:tabular-nums;
  }
  .badge span{display:block;font-size:12.5px;color:var(--c-ink-3);margin-top:4px;}
  .hero-visual{position:relative;}
  .hero-visual img{
    width:100%;height:300px;object-fit:cover;
    border-radius:var(--r-lg);
    border:1px solid var(--c-line);
    box-shadow:var(--sh-2);
    background:var(--c-surface-2);
  }
  @media (min-width:640px){.hero-visual img{height:380px;}}
  @media (min-width:1024px){.hero-visual img{height:430px;}}
  .float-badge{
    position:absolute;
    right:16px;bottom:16px;
    display:flex;align-items:center;gap:10px;
    padding:12px 16px;
    border-radius:var(--r-md);
    background:#fff;
    border:1px solid rgba(255,90,31,.3);
    box-shadow:var(--sh-2);
  }
  .float-badge b{font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--c-ink);}
  .float-badge span{font-size:12.5px;color:var(--c-ink-3);}

  /* ============ 筛选胶囊行（静态分区） ============ */
  .filter-bar{
    display:flex;gap:10px;
    overflow-x:auto;
    padding:6px 2px 12px;
    scrollbar-width:none;
  }
  .filter-bar::-webkit-scrollbar{display:none;}
  .chip-filter{
    flex:0 0 auto;
    display:inline-flex;align-items:center;gap:8px;
    padding:9px 18px;
    border-radius:var(--r-pill);
    background:#fff;
    border:1px solid var(--c-line);
    color:var(--c-ink-2);
    font-size:14.5px;font-weight:600;
    white-space:nowrap;
    transition:border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .chip-filter.active{
    border-color:var(--c-brand-1);
    border-width:1.5px;
    color:var(--c-deep);
    box-shadow:var(--sh-1);
  }
  .chip-filter i{
    font-style:normal;
    font-size:12.5px;
    color:var(--c-ink-3);
    font-variant-numeric:tabular-nums;
  }
  .chip-filter.active i{color:var(--c-brand-1);}

  /* ============ 封面卡网格 ============ */
  .cover-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:20px;
  }
  @media (min-width:640px){.cover-grid{grid-template-columns:repeat(2,1fr);gap:22px;}}
  @media (min-width:1024px){.cover-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
  .cover-card{
    position:relative;
    display:block;
    border-radius:var(--r-lg);
    overflow:hidden;
    background:var(--c-surface-2);
    border:1px solid var(--c-line);
    box-shadow:var(--sh-1);
    transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  }
  .cover-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(255,90,31,.5);}
  .cover-card .cover-media{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--c-surface-2);}
  .cover-card .cover-media img{
    width:100%;height:100%;object-fit:cover;
    transition:transform .4s var(--ease);
  }
  .cover-card:hover .cover-media img{transform:scale(1.04);}
  .corner-tag{
    position:absolute;top:12px;right:12px;
    padding:5px 12px;
    border-radius:var(--r-pill);
    background:var(--grad);
    color:#fff;font-size:12.5px;font-weight:700;
    box-shadow:var(--sh-2);
  }
  .cover-shade{
    position:absolute;left:0;right:0;bottom:0;
    padding:44px 18px 18px;
    background:linear-gradient(to top,rgba(23,19,31,.88) 0%,rgba(23,19,31,.45) 55%,rgba(23,19,31,0) 100%);
    color:#fff;
  }
  .cover-shade h3{font-size:19px;font-weight:800;line-height:1.35;}
  .cover-shade p{font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.82);margin-top:6px;}
  .tag-line{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
  .tag{
    display:inline-block;
    padding:4px 11px;
    border-radius:var(--r-pill);
    background:rgba(255,255,255,.18);
    border:1px solid rgba(255,255,255,.34);
    color:#fff;font-size:12.5px;font-weight:600;
  }
  .tag-soft{
    display:inline-block;
    padding:4px 11px;
    border-radius:var(--r-pill);
    background:var(--c-surface-2);
    border:1px solid rgba(255,90,31,.26);
    color:var(--c-deep);font-size:12.5px;font-weight:700;
  }

  /* ============ 更新节奏 ============ */
  .steps{
    display:grid;grid-template-columns:1fr;gap:18px;margin-top:30px;
  }
  @media (min-width:768px){.steps{grid-template-columns:repeat(3,1fr);gap:22px;}}
  .step-card{
    padding:26px 24px;
    border-radius:var(--r-lg);
    background:#fff;
    border:1px solid var(--c-line);
    box-shadow:var(--sh-1);
    transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  }
  .step-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(255,90,31,.42);}
  .step-num{
    display:inline-flex;align-items:center;justify-content:center;
    min-width:44px;height:32px;padding:0 12px;
    border-radius:var(--r-pill);
    border:1.5px solid var(--c-brand-1);
    color:var(--c-deep);
    font-size:14px;font-weight:800;
    font-variant-numeric:tabular-nums;
    margin-bottom:16px;
  }
  .step-card h3{font-size:18px;margin-bottom:8px;}
  .step-card p{color:var(--c-ink-2);font-size:15px;line-height:1.8;}
  .step-meta{display:flex;align-items:center;gap:8px;margin-top:16px;font-size:13px;color:var(--c-ink-3);}
  .step-meta .pulse{width:8px;height:8px;border-radius:50%;background:var(--c-accent);}

  /* ============ 图文区 ============ */
  .split{
    display:grid;grid-template-columns:1fr;gap:32px;align-items:center;
  }
  @media (min-width:1024px){.split{grid-template-columns:5fr 6fr;gap:56px;}}
  .split-media{position:relative;}
  .split-media img{
    width:100%;height:300px;object-fit:cover;
    border-radius:var(--r-lg);
    border:1px solid var(--c-line);
    box-shadow:var(--sh-2);
    background:var(--c-surface-2);
  }
  @media (min-width:1024px){.split-media img{height:390px;}}
  .split-media .float-badge{right:auto;left:16px;bottom:16px;}
  .point-list{display:grid;gap:14px;margin-top:24px;}
  .point{
    display:flex;gap:14px;
    padding:18px 20px;
    border-radius:var(--r-md);
    background:#fff;
    border:1px solid var(--c-line);
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
  }
  .point:hover{border-color:rgba(255,90,31,.42);box-shadow:var(--sh-1);transform:translateX(2px);}
  .point .idx{
    flex:0 0 auto;
    width:30px;height:30px;
    display:flex;align-items:center;justify-content:center;
    border-radius:var(--r-xs);
    background:var(--c-surface-2);
    color:var(--c-deep);
    font-size:13px;font-weight:800;
    font-variant-numeric:tabular-nums;
  }
  .point h3{font-size:16.5px;margin-bottom:4px;}
  .point p{font-size:14.5px;color:var(--c-ink-2);line-height:1.75;}

  /* ============ FAQ ============ */
  .faq-list{display:grid;gap:12px;margin-top:30px;}
  .faq-item{
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:var(--r-md);
    overflow:hidden;
    transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
  }
  .faq-item.open{border-color:rgba(255,90,31,.5);box-shadow:var(--sh-1);}
  .faq-q{
    width:100%;
    display:flex;align-items:center;gap:14px;
    padding:18px 20px;
    background:transparent;border:0;
    text-align:left;
    font-size:16px;font-weight:700;color:var(--c-ink);
    transition:color .2s var(--ease);
  }
  .faq-q:hover{color:var(--c-deep);}
  .faq-q .num{
    flex:0 0 auto;
    padding:3px 11px;
    border-radius:var(--r-pill);
    border:1.5px solid var(--c-brand-1);
    color:var(--c-deep);
    font-size:12.5px;font-weight:800;
    font-variant-numeric:tabular-nums;
  }
  .faq-q .txt{flex:1 1 auto;}
  .faq-q .sign{
    flex:0 0 auto;
    width:22px;height:22px;
    position:relative;
    transition:transform .24s var(--ease);
  }
  .faq-q .sign::before,.faq-q .sign::after{
    content:"";position:absolute;left:50%;top:50%;
    background:var(--c-ink-3);
    border-radius:2px;
    transition:background .24s var(--ease);
  }
  .faq-q .sign::before{width:16px;height:2px;transform:translate(-50%,-50%);}
  .faq-q .sign::after{width:2px;height:16px;transform:translate(-50%,-50%);}
  .faq-item.open .faq-q .sign{transform:rotate(45deg);}
  .faq-item.open .faq-q .sign::before,.faq-item.open .faq-q .sign::after{background:var(--c-brand-1);}
  .faq-a{
    max-height:0;overflow:hidden;
    transition:max-height .24s var(--ease);
  }
  .faq-a p{
    padding:0 20px 20px 64px;
    color:var(--c-ink-2);font-size:15px;line-height:1.85;
  }
  @media (max-width:520px){
    .faq-a p{padding:0 18px 18px 18px;}
  }

  /* ============ CTA ============ */
  .cta-wrap{
    border-radius:var(--r-xl);
    padding:1.5px;
    background:var(--grad);
    box-shadow:var(--sh-3);
  }
  .cta-inner{
    border-radius:calc(var(--r-xl) - 1.5px);
    background:#fff;
    padding:34px 24px;
    display:grid;gap:26px;
    align-items:center;
  }
  @media (min-width:768px){.cta-inner{padding:46px 42px;}}
  @media (min-width:1024px){.cta-inner{grid-template-columns:7fr 5fr;gap:44px;padding:54px 50px;}}
  .cta-inner h2{font-size:clamp(1.5rem,2.6vw,2rem);}
  .cta-inner p{color:var(--c-ink-2);font-size:16px;line-height:1.85;margin-top:14px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
  .cta-panel{
    background:var(--c-surface-2);
    border:1px solid var(--c-line);
    border-radius:var(--r-lg);
    padding:22px;
  }
  .cta-panel h3{font-size:17px;margin-bottom:12px;}
  .cta-panel li{
    display:flex;align-items:center;gap:10px;
    font-size:14.5px;color:var(--c-ink-2);
    padding:9px 0;
    border-bottom:1px dashed var(--c-line);
  }
  .cta-panel li:last-child{border-bottom:0;}
  .cta-panel li .pulse{width:8px;height:8px;border-radius:50%;background:var(--c-accent);flex:0 0 auto;}

  /* ============ 页脚 ============ */
  .site-footer{
    position:relative;
    margin-top:20px;
    background:var(--c-dark);
    color:rgba(255,255,255,.76);
  }
  .site-footer::before{
    content:"";
    display:block;height:4px;width:100%;
    background:var(--grad);
  }
  .footer-inner{padding:46px 0 26px;}
  .footer-grid{
    display:grid;grid-template-columns:1fr;gap:30px;
  }
  @media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:34px;}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:38px;}}
  .footer-brand .logo-text{color:#fff;font-size:19px;}
  .footer-brand p{margin-top:14px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;}
  .footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
  .footer-tags span{
    padding:4px 12px;
    border-radius:var(--r-pill);
    border:1px solid rgba(255,255,255,.2);
    font-size:12.5px;
    color:rgba(255,255,255,.72);
  }
  .footer-col h4{
    font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.02em;
  }
  .footer-col ul{display:grid;gap:10px;}
  .footer-col li{font-size:14px;color:rgba(255,255,255,.62);}
  .footer-col a{
    color:rgba(255,255,255,.72);
    transition:color .2s var(--ease),padding-left .2s var(--ease);
  }
  .footer-col a:hover{color:var(--c-brand-1);padding-left:2px;}
  .footer-bottom{
    margin-top:34px;
    padding-top:18px;
    border-top:1px solid rgba(255,255,255,.10);
    display:flex;flex-wrap:wrap;gap:8px 20px;
    justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.55);
  }

  /* 入场动效 */
  .rise{opacity:0;transform:translateY(12px);animation:riseIn .5s var(--ease) forwards;}
  .rise.d1{animation-delay:.06s;}
  .rise.d2{animation-delay:.12s;}
  .rise.d3{animation-delay:.18s;}
  @keyframes riseIn{to{opacity:1;transform:none;}}
  @media (prefers-reduced-motion:reduce){
    .rise{opacity:1;transform:none;animation:none;}
    html{scroll-behavior:auto;}
  }

/* roulang page: category3 */
:root{
    --c-brand-1:#FF5A1F;
    --c-brand-2:#FF2E6E;
    --c-brand-3:#7B5CFF;
    --c-accent:#12D6B4;
    --c-ink:#1B1622;
    --c-ink-2:#5B5566;
    --c-ink-3:#918B9C;
    --c-bg:#FFF7F2;
    --c-surface:#FFFFFF;
    --c-surface-2:#FFF1E8;
    --c-dark:#17131F;
    --c-line:#F1E6DE;
    --c-deep:#E23E00;
    --grad:linear-gradient(118deg,#FF5A1F 0%,#FF2E6E 48%,#7B5CFF 100%);
    --grad-hover:linear-gradient(100deg,#F04E13 0%,#F02463 48%,#6C4DF2 100%);
    --r-xs:10px; --r-sm:14px; --r-md:18px; --r-lg:24px; --r-xl:32px; --r-pill:999px;
    --sh-1:0 2px 8px rgba(27,22,34,.06);
    --sh-2:0 10px 28px rgba(255,90,31,.10);
    --sh-3:0 20px 48px rgba(255,90,31,.18);
    --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;
    background:var(--c-bg);
    color:var(--c-ink);
    font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  a{ color:inherit; text-decoration:none; }
  img{ display:block; max-width:100%; }
  button,input{ font-family:inherit; font-size:inherit; }
  button{ cursor:pointer; border:0; background:none; }
  h1,h2,h3,h4,p,ul,ol,figure{ margin:0; }
  ul{ list-style:none; padding:0; }
  :focus-visible{ outline:2px solid var(--c-brand-1); outline-offset:2px; border-radius:6px; }

  .container-x{ width:100%; max-width:1200px; margin:0 auto; padding:0 20px; }
  @media (min-width:1024px){ .container-x{ padding:0 32px; } }

  /* ---------- 导航 ---------- */
  .navbar{
    position:sticky; top:0; z-index:60;
    background:rgba(255,247,242,.94);
    border-bottom:1px solid var(--c-line);
    transition:box-shadow .22s var(--ease), background .22s var(--ease);
  }
  .navbar.scrolled{ background:#fff; box-shadow:var(--sh-1); }
  .nav-inner{ display:flex; align-items:center; gap:20px; min-height:72px; }
  .logo{ display:flex; align-items:center; gap:10px; flex-shrink:0; }
  .logo-mark{
    width:38px; height:38px; border-radius:12px;
    background:var(--grad); color:#fff; font-weight:800; font-size:19px;
    display:flex; align-items:center; justify-content:center;
    box-shadow:var(--sh-2);
  }
  .logo-text{ font-size:18px; font-weight:800; letter-spacing:-.01em; color:var(--c-ink); display:inline-flex; align-items:center; gap:6px; }
  .logo-text .chip{
    background:var(--grad); color:#fff; font-size:12px; font-weight:700;
    padding:2px 9px; border-radius:var(--r-pill); letter-spacing:.02em;
  }
  .nav-links{ display:none; align-items:center; gap:4px; margin-left:auto; }
  .nav-link{
    position:relative; padding:10px 12px 10px 14px;
    font-size:15px; color:var(--c-ink-2); border-radius:var(--r-sm);
    transition:color .18s var(--ease);
  }
  .nav-link::before{
    content:""; position:absolute; left:2px; top:50%; transform:translateY(-50%);
    width:6px; height:6px; border-radius:50%; background:var(--c-brand-1);
    opacity:0; transition:opacity .18s var(--ease);
  }
  .nav-link::after{
    content:""; position:absolute; left:14px; bottom:3px; width:18px; height:3px;
    border-radius:3px; background:var(--grad); opacity:0;
    transition:opacity .18s var(--ease), width .18s var(--ease);
  }
  .nav-link:hover{ color:var(--c-ink); }
  .nav-link:hover::after{ opacity:.45; }
  .nav-link.active{ color:var(--c-ink); font-weight:700; }
  .nav-link.active::before{ opacity:1; }
  .nav-link.active::after{ opacity:1; }
  .nav-cta{
    display:none; margin-left:8px; padding:10px 20px; border-radius:var(--r-pill);
    background:var(--grad); color:#fff; font-size:15px; font-weight:700;
    box-shadow:var(--sh-2); transition:transform .18s var(--ease), background .18s var(--ease), box-shadow .18s var(--ease);
  }
  .nav-cta:hover{ background:var(--grad-hover); transform:translateY(-2px); box-shadow:var(--sh-3); }
  .burger{
    margin-left:auto; width:44px; height:44px; border-radius:var(--r-sm);
    border:1px solid var(--c-line); background:#fff;
    display:flex; flex-direction:column; align-items:center; justify-content:center; gap:5px;
  }
  .burger span{ display:block; width:20px; height:2px; border-radius:2px; background:var(--c-ink); transition:transform .2s var(--ease), opacity .2s var(--ease); }
  .burger[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
  .burger[aria-expanded="true"] span:nth-child(2){ opacity:0; }
  .burger[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }
  .nav-links.open{
    display:flex; flex-direction:column; align-items:stretch; gap:0;
    position:fixed; inset:72px 0 0 0; background:#fff; padding:12px 20px 120px;
    overflow-y:auto; z-index:55;
  }
  .nav-links.open .nav-link{
    font-size:18px; font-weight:600; color:var(--c-ink);
    padding:16px 4px; border-bottom:1px solid var(--c-line); border-radius:0;
  }
  .nav-links.open .nav-link::after{ display:none; }
  .nav-links.open .nav-link::before{ display:none; }
  .nav-links.open .nav-link.active{ color:var(--c-brand-1); }
  @media (min-width:1024px){
    .nav-links{ display:flex; }
    .nav-cta{ display:inline-flex; }
    .burger{ display:none; }
  }

  /* ---------- 通用区块 ---------- */
  .section{ padding:56px 0; }
  @media (min-width:768px){ .section{ padding:72px 0; } }
  @media (min-width:1024px){ .section{ padding:88px 0; } }
  .section-head{ max-width:720px; margin-bottom:28px; }
  .eyebrow{
    display:inline-flex; align-items:center; gap:8px;
    padding:6px 14px; border-radius:var(--r-pill);
    background:var(--c-surface-2); border:1px solid rgba(255,90,31,.28);
    color:var(--c-deep); font-size:13px; font-weight:700; letter-spacing:.02em;
  }
  .eyebrow .dot{ width:8px; height:8px; border-radius:50%; background:var(--c-accent); }
  .section-title{ font-size:clamp(1.5rem,3vw,2.25rem); font-weight:800; line-height:1.2; letter-spacing:-.02em; }
  .section-desc{ margin-top:14px; color:var(--c-ink-2); font-size:16px; line-height:1.85; }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    height:48px; padding:0 24px; border-radius:var(--r-pill);
    font-size:16px; font-weight:700; line-height:1;
    transition:transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
  }
  .btn-primary{ background:var(--grad); color:#fff; box-shadow:var(--sh-2); }
  .btn-primary:hover{ background:var(--grad-hover); transform:translateY(-2px); box-shadow:var(--sh-3); }
  .btn-primary:active{ transform:translateY(0); }
  .btn-ghost{ background:#fff; color:var(--c-ink); border:1px solid var(--c-line); }
  .btn-ghost:hover{ border-color:var(--c-brand-1); color:var(--c-deep); transform:translateY(-2px); box-shadow:var(--sh-1); }
  .btn-sm{ height:40px; padding:0 18px; font-size:14px; }
  .link-more{ color:var(--c-deep); font-weight:700; font-size:15px; display:inline-flex; align-items:center; gap:6px; }
  .link-more::after{ content:"→"; transition:transform .18s var(--ease); }
  .link-more:hover::after{ transform:translateX(4px); }

  /* ---------- 分类页 Hero ---------- */
  .page-hero{ position:relative; overflow:hidden; padding:44px 0 56px; }
  .page-hero::before{
    content:""; position:absolute; top:-180px; right:-120px; width:520px; height:520px;
    background:radial-gradient(circle, rgba(255,90,31,.18) 0%, rgba(255,90,31,0) 68%);
    pointer-events:none;
  }
  .hero-grid{ display:grid; gap:36px; align-items:center; position:relative; }
  @media (min-width:1024px){ .hero-grid{ grid-template-columns:1.05fr 1fr; gap:56px; } }
  .hero-title{
    font-size:clamp(2.25rem,5.2vw,3.5rem); font-weight:800; line-height:1.12;
    letter-spacing:-.02em; margin-top:18px;
  }
  .hero-title .hl{
    background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent;
  }
  .hero-sub{ margin-top:18px; font-size:17px; color:var(--c-ink-2); max-width:560px; }
  .hero-actions{ display:flex; flex-wrap:wrap; gap:12px; margin-top:28px; }
  .stat-row{ display:flex; gap:12px; margin-top:28px; overflow-x:auto; padding-bottom:4px; scrollbar-width:none; }
  .stat-row::-webkit-scrollbar{ display:none; }
  .stat-badge{
    flex:0 0 auto; min-width:112px; padding:12px 16px; border-radius:var(--r-md);
    background:var(--c-surface-2); border:1px solid rgba(255,90,31,.28);
  }
  .stat-num{ font-size:22px; font-weight:800; font-variant-numeric:tabular-nums; line-height:1.15; color:var(--c-deep); }
  .stat-label{ font-size:12px; color:var(--c-ink-3); margin-top:4px; letter-spacing:.01em; }
  .hero-media{ position:relative; }
  .hero-media img{
    width:100%; height:300px; object-fit:cover; border-radius:var(--r-lg);
    border:1px solid var(--c-line); box-shadow:var(--sh-2); background:var(--c-surface-2);
  }
  @media (min-width:1024px){ .hero-media img{ height:400px; } }
  .float-badge{
    position:absolute; right:16px; bottom:-16px;
    background:#fff; border:1px solid rgba(255,90,31,.35); border-radius:var(--r-md);
    padding:10px 16px; box-shadow:var(--sh-2); text-align:center;
  }
  .float-badge b{ display:block; font-size:20px; font-weight:800; font-variant-numeric:tabular-nums; color:var(--c-deep); }
  .float-badge span{ font-size:12px; color:var(--c-ink-3); }

  /* ---------- 锚点胶囊行 ---------- */
  .anchor-bar{
    display:flex; gap:10px; overflow-x:auto; padding:14px 0 6px;
    scrollbar-width:none;
  }
  .anchor-bar::-webkit-scrollbar{ display:none; }
  .anchor-pill{
    flex:0 0 auto; padding:9px 18px; border-radius:var(--r-pill);
    background:#fff; border:1px solid var(--c-line); color:var(--c-ink-2);
    font-size:14px; font-weight:600; transition:all .18s var(--ease);
  }
  .anchor-pill:hover{ border-color:var(--c-brand-1); color:var(--c-deep); background:var(--c-surface-2); }

  /* ---------- 攻略布局：左目录 + 右列表 ---------- */
  .guide-layout{ display:grid; gap:28px; }
  @media (min-width:1024px){ .guide-layout{ grid-template-columns:260px 1fr; gap:40px; align-items:start; } }
  .toc-card{
    background:#fff; border:1px solid var(--c-line); border-radius:var(--r-lg);
    padding:22px; box-shadow:var(--sh-1);
  }
  @media (min-width:1024px){ .toc-card{ position:sticky; top:96px; } }
  .toc-title{ font-size:15px; font-weight:800; display:flex; align-items:center; gap:8px; }
  .toc-title::before{ content:""; width:4px; height:16px; border-radius:3px; background:var(--grad); }
  .toc-list{ margin-top:14px; display:flex; flex-direction:column; gap:2px; }
  .toc-list a{
    display:flex; align-items:center; gap:10px;
    padding:10px 12px; border-radius:var(--r-sm);
    font-size:14px; color:var(--c-ink-2); transition:all .18s var(--ease);
  }
  .toc-list a:hover{ background:var(--c-surface-2); color:var(--c-deep); }
  .toc-list a i{ font-style:normal; font-size:12px; font-weight:800; color:var(--c-ink-3); font-variant-numeric:tabular-nums; }
  .toc-note{ margin-top:16px; padding-top:16px; border-top:1px solid var(--c-line); font-size:13px; color:var(--c-ink-3); line-height:1.7; }

  .guide-list{ display:flex; flex-direction:column; gap:16px; }
  .guide-item{
    display:grid; grid-template-columns:auto 1fr; gap:18px;
    background:#fff; border:1px solid var(--c-line); border-radius:var(--r-lg);
    padding:22px; box-shadow:var(--sh-1);
    transition:transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
  }
  .guide-item:hover{ transform:translateY(-2px); box-shadow:var(--sh-3); border-color:rgba(255,90,31,.5); }
  .guide-num{
    width:46px; height:46px; border-radius:var(--r-pill);
    border:1.5px solid var(--c-brand-1); background:var(--c-surface-2);
    color:var(--c-deep); font-weight:800; font-size:15px; font-variant-numeric:tabular-nums;
    display:flex; align-items:center; justify-content:center;
  }
  .guide-title{ font-size:18px; font-weight:700; line-height:1.4; transition:color .18s var(--ease); }
  .guide-item:hover .guide-title{ color:var(--c-deep); }
  .guide-desc{ margin-top:8px; font-size:14.5px; color:var(--c-ink-2); line-height:1.8; }
  .tag-row{ display:flex; flex-wrap:wrap; gap:8px; margin-top:14px; }
  .tag{
    padding:4px 11px; border-radius:var(--r-pill);
    background:var(--c-surface-2); color:#B33208; font-size:12.5px; font-weight:600;
  }
  .tag-line{ background:transparent; border:1px solid var(--c-line); color:var(--c-ink-3); }
  @media (max-width:520px){
    .guide-item{ grid-template-columns:1fr; padding:18px; }
    .guide-num{ width:40px; height:40px; font-size:14px; }
  }

  /* ---------- 三步流程 ---------- */
  .steps{ display:grid; gap:18px; }
  @media (min-width:768px){ .steps{ grid-template-columns:repeat(3,1fr); gap:22px; } }
  .step-card{
    background:#fff; border:1px solid var(--c-line); border-radius:var(--r-lg);
    padding:24px; box-shadow:var(--sh-1); transition:transform .2s var(--ease), box-shadow .2s var(--ease);
  }
  .step-card:hover{ transform:translateY(-2px); box-shadow:var(--sh-2); }
  .step-num{
    width:36px; height:36px; border-radius:12px; background:var(--grad); color:#fff;
    font-weight:800; font-size:15px; font-variant-numeric:tabular-nums;
    display:flex; align-items:center; justify-content:center; box-shadow:var(--sh-2);
  }
  .step-title{ margin-top:16px; font-size:17px; font-weight:700; }
  .step-text{ margin-top:8px; font-size:14.5px; color:var(--c-ink-2); line-height:1.8; }

  /* ---------- 效率参考 ---------- */
  .meter-panel{
    background:#fff; border:1px solid var(--c-line); border-radius:var(--r-xl);
    padding:28px; box-shadow:var(--sh-1);
  }
  @media (min-width:768px){ .meter-panel{ padding:36px; } }
  .meter-grid{ display:grid; gap:24px; margin-top:26px; }
  @media (min-width:768px){ .meter-grid{ grid-template-columns:repeat(3,1fr); gap:30px; } }
  .meter-row + .meter-row{ margin-top:20px; }
  .meter-head{ display:flex; align-items:baseline; justify-content:space-between; gap:10px; }
  .meter-name{ font-size:15px; font-weight:700; }
  .meter-val{ font-size:15px; font-weight:800; color:var(--c-deep); font-variant-numeric:tabular-nums; }
  .meter-track{ margin-top:10px; height:8px; border-radius:var(--r-pill); background:var(--c-surface-2); overflow:hidden; }
  .meter-fill{ height:100%; border-radius:var(--r-pill); background:linear-gradient(90deg,#FF5A1F,#FF2E6E); }
  .meter-fill.alt{ background:linear-gradient(90deg,#FF2E6E,#7B5CFF); }
  .meter-fill.acc{ background:linear-gradient(90deg,#12D6B4,#FF5A1F); }
  .meter-note{ margin-top:8px; font-size:13px; color:var(--c-ink-3); }
  .panel-img{
    width:100%; height:210px; object-fit:cover; border-radius:var(--r-md);
    border:1px solid var(--c-line); background:var(--c-surface-2);
  }
  @media (min-width:768px){ .panel-img{ height:240px; } }

  /* ---------- 小贴士横滑 ---------- */
  .tip-rail{ display:flex; gap:16px; overflow-x:auto; padding:6px 2px 12px; scrollbar-width:none; }
  .tip-rail::-webkit-scrollbar{ display:none; }
  .tip-card{
    flex:0 0 280px; background:var(--c-surface-2); border:1px solid rgba(255,90,31,.22);
    border-radius:var(--r-lg); padding:20px;
  }
  .tip-card h3{ font-size:16px; font-weight:700; margin-bottom:8px; }
  .tip-card p{ font-size:14px; color:var(--c-ink-2); line-height:1.8; }
  @media (min-width:1024px){ .tip-card{ flex:1 1 0; } }

  /* ---------- FAQ ---------- */
  .faq-list{ display:flex; flex-direction:column; gap:12px; }
  .faq-item{
    background:#fff; border:1px solid var(--c-line); border-radius:var(--r-md);
    box-shadow:var(--sh-1); overflow:hidden; transition:border-color .2s var(--ease);
  }
  .faq-item.open{ border-color:rgba(255,90,31,.5); }
  .faq-q{
    width:100%; display:flex; align-items:center; gap:14px; text-align:left;
    padding:18px 20px; font-size:16px; font-weight:700; color:var(--c-ink);
  }
  .faq-idx{
    flex:0 0 auto; min-width:38px; height:28px; padding:0 10px;
    border-radius:var(--r-pill); border:1px solid var(--c-brand-1); background:var(--c-surface-2);
    color:var(--c-deep); font-size:13px; font-weight:800; font-variant-numeric:tabular-nums;
    display:flex; align-items:center; justify-content:center;
  }
  .faq-icon{
    margin-left:auto; flex:0 0 auto; width:20px; height:20px; position:relative;
    transition:transform .24s var(--ease);
  }
  .faq-icon::before,.faq-icon::after{
    content:""; position:absolute; background:var(--c-ink-3); border-radius:2px;
    transition:background .18s var(--ease);
  }
  .faq-icon::before{ left:0; top:9px; width:20px; height:2px; }
  .faq-icon::after{ left:9px; top:0; width:2px; height:20px; }
  .faq-item.open .faq-icon{ transform:rotate(45deg); }
  .faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{ background:var(--c-brand-1); }
  .faq-a{
    max-height:0; overflow:hidden;
    transition:max-height .24s var(--ease);
  }
  .faq-a-inner{ padding:0 20px 20px 72px; font-size:15px; color:var(--c-ink-2); line-height:1.85; }
  @media (max-width:520px){ .faq-a-inner{ padding-left:20px; } }

  /* ---------- CTA 大卡 ---------- */
  .cta-wrap{ background:var(--grad); border-radius:var(--r-xl); padding:1.5px; box-shadow:var(--sh-3); }
  .cta-card{ background:#fff; border-radius:calc(var(--r-xl) - 1.5px); padding:28px; }
  @media (min-width:1024px){ .cta-card{ padding:44px; } }
  .cta-grid{ display:grid; gap:28px; }
  @media (min-width:1024px){ .cta-grid{ grid-template-columns:1fr 1fr; gap:44px; align-items:center; } }
  .cta-list{ margin-top:20px; display:flex; flex-direction:column; gap:10px; }
  .cta-list li{ display:flex; gap:10px; font-size:15px; color:var(--c-ink-2); }
  .cta-list li::before{
    content:""; flex:0 0 auto; width:8px; height:8px; margin-top:9px;
    border-radius:50%; background:var(--c-accent);
  }
  .form-field + .form-field{ margin-top:14px; }
  .form-label{ display:block; font-size:13px; font-weight:700; color:var(--c-ink-2); margin-bottom:7px; }
  .form-input{
    width:100%; height:48px; padding:0 16px; border-radius:var(--r-sm);
    border:1px solid var(--c-line); background:#fff; color:var(--c-ink);
    transition:border-color .18s var(--ease), box-shadow .18s var(--ease);
  }
  .form-input::placeholder{ color:var(--c-ink-3); }
  .form-input:focus{ outline:none; border-color:var(--c-brand-1); box-shadow:0 0 0 3px rgba(255,90,31,.12); }
  .form-check{ display:flex; align-items:flex-start; gap:9px; margin-top:14px; font-size:13px; color:var(--c-ink-3); line-height:1.7; }
  .form-check input{ margin-top:4px; accent-color:var(--c-brand-1); width:16px; height:16px; }
  .btn-submit{ width:100%; margin-top:18px; }
  .form-hint{ margin-top:10px; font-size:13px; color:var(--c-deep); min-height:20px; }

  /* ---------- 页脚 ---------- */
  .site-footer{ position:relative; background:var(--c-dark); color:#fff; margin-top:64px; }
  .site-footer::before{
    content:""; position:absolute; left:0; right:0; top:0; height:4px; background:var(--grad);
  }
  .footer-inner{ padding-top:56px; padding-bottom:28px; }
  .footer-grid{ display:grid; gap:32px; }
  @media (min-width:640px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
  @media (min-width:1024px){ .footer-grid{ grid-template-columns:1.6fr 1fr 1fr 1fr; gap:40px; } }
  .footer-brand .logo-text{ color:#fff; }
  .footer-brand p{ margin-top:14px; font-size:14px; line-height:1.85; color:rgba(255,255,255,.72); max-width:340px; }
  .footer-tags{ display:flex; flex-wrap:wrap; gap:8px; margin-top:18px; }
  .footer-tags span{
    padding:5px 12px; border-radius:var(--r-pill);
    border:1px solid rgba(255,255,255,.16); color:rgba(255,255,255,.72); font-size:12.5px;
  }
  .footer-col h4{ font-size:15px; font-weight:700; color:#fff; margin-bottom:14px; }
  .footer-col ul{ display:flex; flex-direction:column; gap:10px; }
  .footer-col a,.footer-col li{ font-size:14px; color:rgba(255,255,255,.72); line-height:1.7; }
  .footer-col a{ display:inline-block; transition:color .18s var(--ease), transform .18s var(--ease); }
  .footer-col a:hover{ color:var(--c-brand-1); transform:translateX(-2px); }
  .footer-bottom{
    margin-top:40px; padding-top:20px; border-top:1px solid rgba(255,255,255,.10);
    display:flex; flex-wrap:wrap; gap:10px; justify-content:space-between;
    font-size:13px; color:rgba(255,255,255,.6);
  }

  /* ---------- 入场动效 ---------- */
  .rise{ opacity:0; transform:translateY(12px); animation:rise .6s var(--ease) forwards; }
  .rise.d1{ animation-delay:.06s; } .rise.d2{ animation-delay:.12s; } .rise.d3{ animation-delay:.18s; }
  @keyframes rise{ to{ opacity:1; transform:none; } }
  @media (prefers-reduced-motion: reduce){
    *{ animation:none !important; transition:none !important; scroll-behavior:auto !important; }
  }

/* roulang page: category4 */
:root{
    --c-brand-1:#FF5A1F;
    --c-brand-2:#FF2E6E;
    --c-brand-3:#7B5CFF;
    --c-accent:#12D6B4;
    --c-ink:#1B1622;
    --c-ink-2:#5B5566;
    --c-ink-3:#918B9C;
    --c-bg:#FFF7F2;
    --c-surface:#FFFFFF;
    --c-surface-2:#FFF1E8;
    --c-dark:#17131F;
    --c-line:#F1E6DE;
    --c-deep-orange:#E23E00;
    --grad:linear-gradient(118deg,#FF5A1F 0%,#FF2E6E 48%,#7B5CFF 100%);
    --grad-hover:linear-gradient(100deg,#F04E14 0%,#EE1F60 48%,#6A48F0 100%);
    --r-xs:10px; --r-sm:14px; --r-md:18px; --r-lg:24px; --r-xl:32px; --r-pill:999px;
    --sh-1:0 2px 8px rgba(27,22,34,.06);
    --sh-2:0 10px 28px rgba(255,90,31,.10);
    --sh-3:0 20px 48px rgba(255,90,31,.18);
    --sh-dark:0 16px 40px rgba(23,19,31,.28);
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
    background:var(--c-bg);
    color:var(--c-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-family:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  p{margin:0;}
  h1,h2,h3,h4{margin:0;line-height:1.25;}
  :focus-visible{outline:2px solid var(--c-brand-1);outline-offset:2px;border-radius:6px;}

  .container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:1024px){ .container-x{padding:0 32px;} }

  /* ============ 导航 ============ */
  .navbar{
    position:sticky;top:0;z-index:50;
    background:rgba(255,255,255,.96);
    border-bottom:1px solid var(--c-line);
  }
  .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
  .logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
  .logo-mark{
    width:40px;height:40px;border-radius:12px;background:var(--grad);
    color:#fff;font-weight:800;font-size:19px;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 6px 16px rgba(255,90,31,.28);
  }
  .logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);display:inline-flex;align-items:center;gap:6px;}
  .logo-text .chip{
    display:inline-block;padding:2px 9px;border-radius:var(--r-pill);
    background:var(--grad);color:#fff;font-size:13px;font-weight:700;line-height:1.5;
  }
  .nav-links{display:flex;align-items:center;gap:4px;}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;
    padding:10px 15px;border-radius:var(--r-pill);
    font-size:15px;font-weight:500;color:var(--c-ink-2);
    transition:color .2s var(--ease),background-color .2s var(--ease);
  }
  .nav-link::after{
    content:"";position:absolute;left:50%;bottom:2px;width:0;height:3px;border-radius:var(--r-pill);
    background:var(--grad);transform:translateX(-50%);
    transition:width .22s var(--ease);
  }
  .nav-link:hover{color:var(--c-ink);background:var(--c-surface-2);}
  .nav-link:hover::after{width:18px;}
  .nav-link.active{color:var(--c-ink);font-weight:700;}
  .nav-link.active::after{width:18px;}
  .nav-cta{
    display:inline-flex;align-items:center;justify-content:center;
    padding:11px 22px;border-radius:var(--r-pill);
    background:var(--grad);color:#fff;font-size:15px;font-weight:700;
    box-shadow:0 8px 20px rgba(255,90,31,.26);
    transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
  }
  .nav-cta:hover{background:var(--grad-hover);transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,90,31,.32);}
  .nav-cta:active{transform:translateY(0);}
  .burger{
    display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;
    background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;
    cursor:pointer;padding:0;position:relative;z-index:70;
  }
  .burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .2s var(--ease),opacity .2s var(--ease);}
  .burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

  @media (max-width:1023px){
    .nav-cta{display:none;}
    .burger{display:flex;}
    .nav-links{
      position:fixed;inset:0;z-index:60;
      flex-direction:column;align-items:stretch;gap:0;
      background:#fff;padding:96px 24px 48px;overflow-y:auto;
      opacity:0;transform:translateY(-10px);pointer-events:none;
      transition:opacity .22s var(--ease),transform .22s var(--ease);
    }
    .nav-links.open{opacity:1;transform:none;pointer-events:auto;}
    .nav-link{padding:16px 4px;font-size:18px;border-radius:0;border-bottom:1px solid var(--c-line);}
    .nav-link::after{display:none;}
    .nav-link:hover{background:transparent;color:var(--c-brand-1);}
  }

  /* ============ 通用小件 ============ */
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:var(--r-pill);
    background:var(--c-surface-2);border:1px solid var(--c-line);
    font-size:13px;font-weight:700;color:var(--c-deep-orange);letter-spacing:.02em;
  }
  .eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:14px 28px;border-radius:var(--r-pill);
    font-size:16px;font-weight:700;cursor:pointer;border:1px solid transparent;
    transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  }
  .btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,90,31,.26);}
  .btn-primary:hover{background:var(--grad-hover);transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,90,31,.34);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:#fff;color:var(--c-ink);border-color:var(--c-line);}
  .btn-ghost:hover{border-color:var(--c-brand-1);color:var(--c-deep-orange);transform:translateY(-2px);box-shadow:var(--sh-2);}
  .btn-line{background:transparent;color:var(--c-deep-orange);border-color:var(--c-brand-1);}
  .btn-line:hover{background:var(--c-surface-2);transform:translateY(-2px);}
  .btn:disabled{opacity:.4;box-shadow:none;cursor:not-allowed;transform:none;}

  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 12px;border-radius:var(--r-pill);
    background:#fff;border:1px solid rgba(255,90,31,.35);
    font-size:12px;font-weight:700;color:var(--c-deep-orange);white-space:nowrap;
  }
  .badge-fill{background:var(--grad);border-color:transparent;color:#fff;}
  .badge-soft{background:var(--c-surface-2);border-color:var(--c-line);color:var(--c-ink-2);}
  .status-dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);display:inline-block;}

  .data-badge{
    display:flex;flex-direction:column;gap:2px;
    padding:14px 18px;border-radius:var(--r-md);
    background:var(--c-surface-2);border:1px solid rgba(255,90,31,.28);
    min-width:118px;
  }
  .data-badge b{font-size:24px;font-weight:800;color:var(--c-deep-orange);font-variant-numeric:tabular-nums;letter-spacing:0;line-height:1.2;}
  .data-badge span{font-size:12px;color:var(--c-ink-2);line-height:1.5;}

  .section{padding:48px 0;}
  @media (min-width:768px){ .section{padding:64px 0;} }
  @media (min-width:1024px){ .section{padding:76px 0;} }
  .section-head{margin-bottom:26px;}
  .section-head h2{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800;letter-spacing:-.01em;line-height:1.2;}
  .section-head p{margin-top:10px;font-size:15px;color:var(--c-ink-2);max-width:720px;}
  .section-head .head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}

  /* ============ 面包屑 ============ */
  .breadcrumb{
    display:flex;align-items:center;flex-wrap:wrap;gap:8px;
    font-size:13px;color:var(--c-ink-3);letter-spacing:.01em;
  }
  .breadcrumb a{color:var(--c-ink-2);transition:color .2s var(--ease);}
  .breadcrumb a:hover{color:var(--c-brand-1);}
  .breadcrumb .sep{color:var(--c-line);}
  .breadcrumb .current{color:var(--c-ink-3);}

  /* ============ Hero ============ */
  .page-hero{
    position:relative;overflow:hidden;
    padding:36px 0 52px;
    background-image:radial-gradient(760px 380px at 88% -10%,rgba(255,90,31,.16),transparent 70%),
                     linear-gradient(180deg,#FFF7F2 0%,#FFF1E8 100%);
  }
  .page-hero::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:linear-gradient(rgba(27,22,34,.045) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(27,22,34,.045) 1px,transparent 1px);
    background-size:46px 46px;
    mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  }
  .page-hero .container-x{position:relative;z-index:1;}
  .hero-grid{
    display:grid;grid-template-columns:1fr;gap:36px;align-items:center;margin-top:26px;
  }
  @media (min-width:1024px){
    .hero-grid{grid-template-columns:7fr 5fr;gap:48px;margin-top:34px;}
  }
  .hero-title{
    font-size:clamp(2.1rem,4.6vw,3.35rem);
    font-weight:800;line-height:1.14;letter-spacing:-.02em;
    margin-top:16px;
  }
  .hero-title .hl{
    background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .hero-sub{
    margin-top:18px;font-size:17px;color:var(--c-ink-2);max-width:560px;line-height:1.85;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
  .badge-row{display:flex;gap:14px;margin-top:30px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
  .badge-row::-webkit-scrollbar{display:none;}
  .hero-media{position:relative;}
  .hero-media img{
    width:100%;height:280px;object-fit:cover;
    border-radius:var(--r-lg);border:1px solid var(--c-line);box-shadow:var(--sh-2);
    background:var(--c-surface-2);
  }
  @media (min-width:768px){ .hero-media img{height:360px;} }
  .float-badge{
    position:absolute;left:18px;bottom:18px;
    display:inline-flex;align-items:center;gap:8px;
    padding:9px 16px;border-radius:var(--r-pill);
    background:rgba(255,255,255,.96);border:1px solid var(--c-line);
    font-size:13px;font-weight:700;color:var(--c-ink);box-shadow:var(--sh-1);
  }

  /* ============ 要点速览（交错栅格） ============ */
  .rule-grid{display:grid;grid-template-columns:1fr;gap:20px;}
  @media (min-width:1024px){
    .rule-grid{grid-template-columns:repeat(12,1fr);gap:24px;}
    .rule-grid .span-7{grid-column:span 7;}
    .rule-grid .span-5{grid-column:span 5;}
  }
  .card-lg{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
    box-shadow:var(--sh-1);padding:24px;
    transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
    display:flex;flex-direction:column;gap:12px;
  }
  @media (min-width:768px){ .card-lg{padding:28px;} }
  .card-lg:hover{transform:translateY(-2px);border-color:var(--c-brand-1);box-shadow:var(--sh-3);}
  .card-lg h3{font-size:1.28rem;font-weight:700;line-height:1.35;}
  .card-lg p{color:var(--c-ink-2);font-size:15px;}
  .card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
  .num-chip{
    display:inline-flex;align-items:center;justify-content:center;
    width:38px;height:38px;border-radius:var(--r-pill);
    border:1.5px solid var(--c-brand-1);color:var(--c-deep-orange);
    font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
  }
  .card-arrow{font-size:15px;font-weight:700;color:var(--c-deep-orange);transition:transform .2s var(--ease);}
  .card-lg:hover .card-arrow{transform:translateX(4px);}
  .card-media{
    width:100%;height:170px;object-fit:cover;border-radius:var(--r-md);
    border:1px solid var(--c-line);background:var(--c-surface-2);
  }

  /* ============ 手风琴 ============ */
  .acc-group{margin-bottom:34px;}
  .acc-group:last-child{margin-bottom:0;}
  .acc-group-title{
    display:flex;align-items:center;gap:10px;
    font-size:1.18rem;font-weight:800;margin-bottom:16px;
  }
  .acc-group-title .bar{width:4px;height:20px;border-radius:var(--r-pill);background:var(--grad);}
  .acc-group-title .count{font-size:13px;font-weight:700;color:var(--c-ink-3);}
  .acc-list{display:flex;flex-direction:column;gap:12px;}
  .acc-item{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
    overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
  }
  .acc-item.open{border-color:var(--c-brand-1);box-shadow:var(--sh-2);}
  .acc-head{
    width:100%;display:flex;align-items:center;gap:14px;
    padding:16px 20px;background:transparent;border:0;cursor:pointer;text-align:left;
  }
  .acc-head:hover .acc-q{color:var(--c-deep-orange);}
  .acc-num{
    flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;
    min-width:38px;height:28px;padding:0 10px;border-radius:var(--r-pill);
    border:1px solid rgba(255,90,31,.35);background:var(--c-surface-2);
    font-size:12px;font-weight:800;color:var(--c-deep-orange);font-variant-numeric:tabular-nums;
  }
  .acc-q{font-size:16px;font-weight:700;color:var(--c-ink);transition:color .2s var(--ease);line-height:1.5;}
  .acc-icon{
    margin-left:auto;position:relative;width:22px;height:22px;flex-shrink:0;
    transition:transform .24s var(--ease);
  }
  .acc-icon::before,.acc-icon::after{
    content:"";position:absolute;left:50%;top:50%;background:var(--c-ink-3);border-radius:2px;
    transform:translate(-50%,-50%);transition:background-color .24s var(--ease);
  }
  .acc-icon::before{width:14px;height:2px;}
  .acc-icon::after{width:2px;height:14px;}
  .acc-item.open .acc-icon{transform:rotate(45deg);}
  .acc-item.open .acc-icon::before,.acc-item.open .acc-icon::after{background:var(--c-brand-1);}
  .acc-body{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
  .acc-body-inner{padding:0 20px 20px 20px;color:var(--c-ink-2);font-size:15px;line-height:1.85;border-top:1px solid var(--c-line);padding-top:16px;margin:0 20px 20px;padding-left:0;padding-right:0;}
  .acc-body-inner strong{color:var(--c-ink);}

  /* ============ 流程步骤 ============ */
  .steps{
    display:grid;grid-template-columns:1fr;gap:18px;
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
    padding:26px;box-shadow:var(--sh-1);
  }
  @media (min-width:768px){ .steps{grid-template-columns:repeat(5,1fr);gap:0;padding:32px 20px;} }
  .step{position:relative;padding-left:56px;}
  @media (min-width:768px){
    .step{padding-left:0;padding-top:58px;text-align:center;padding-right:14px;padding-left:14px;}
    .step::after{
      content:"";position:absolute;top:20px;left:50%;width:100%;height:2px;
      background:linear-gradient(90deg,rgba(255,90,31,.35),rgba(123,92,255,.18));
      z-index:0;
    }
    .step:last-child::after{display:none;}
  }
  .step-dot{
    position:absolute;left:0;top:0;
    width:40px;height:40px;border-radius:var(--r-pill);
    display:flex;align-items:center;justify-content:center;
    background:#fff;border:1.5px solid var(--c-brand-1);color:var(--c-deep-orange);
    font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;z-index:1;
  }
  @media (min-width:768px){ .step-dot{left:50%;transform:translateX(-50%);} }
  .step h3{font-size:16px;font-weight:700;}
  .step p{font-size:13.5px;color:var(--c-ink-2);margin-top:6px;line-height:1.75;}
  @media (max-width:767px){ .step{padding-top:0;} }

  /* ============ 高频疑问 ============ */
  .qa-grid{display:grid;grid-template-columns:1fr;gap:20px;}
  @media (min-width:768px){ .qa-grid{grid-template-columns:repeat(2,1fr);} }
  .qa-card{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
    padding:22px 24px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  }
  .qa-card:hover{transform:translateY(-2px);border-color:var(--c-brand-1);box-shadow:var(--sh-2);}
  .qa-card h3{font-size:16.5px;font-weight:700;display:flex;gap:10px;align-items:flex-start;}
  .qa-card h3::before{content:"问";flex-shrink:0;width:24px;height:24px;border-radius:8px;background:var(--c-surface-2);color:var(--c-deep-orange);font-size:12px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;margin-top:2px;}
  .qa-card p{margin-top:12px;font-size:14.5px;color:var(--c-ink-2);line-height:1.85;}

  /* ============ 联系/反馈卡 ============ */
  .contact-card{
    display:grid;grid-template-columns:1fr;gap:26px;
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
    padding:26px;box-shadow:var(--sh-1);
  }
  @media (min-width:1024px){ .contact-card{grid-template-columns:1.1fr 1fr;gap:44px;padding:36px;} }
  .contact-card h2{font-size:clamp(1.4rem,2.4vw,1.85rem);font-weight:800;}
  .contact-card .lead{margin-top:12px;color:var(--c-ink-2);font-size:15px;}
  .contact-list{display:flex;flex-direction:column;gap:14px;}
  .contact-item{
    display:flex;gap:14px;align-items:flex-start;
    padding:16px 18px;border-radius:var(--r-md);
    background:var(--c-surface-2);border:1px solid var(--c-line);
    transition:border-color .2s var(--ease),transform .2s var(--ease);
  }
  .contact-item:hover{border-color:var(--c-brand-1);transform:translateY(-2px);}
  .contact-item .ico{
    width:36px;height:36px;flex-shrink:0;border-radius:12px;background:#fff;
    border:1px solid rgba(255,90,31,.3);color:var(--c-deep-orange);
    display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;
  }
  .contact-item h3{font-size:15.5px;font-weight:700;}
  .contact-item p{font-size:13.5px;color:var(--c-ink-2);margin-top:4px;line-height:1.7;}

  /* ============ CTA 大卡 ============ */
  .cta-wrap{
    border-radius:var(--r-xl);padding:1.5px;background:var(--grad);
    box-shadow:var(--sh-3);
  }
  .cta-inner{
    background:var(--c-dark);border-radius:calc(var(--r-xl) - 1px);
    padding:34px 26px;display:grid;grid-template-columns:1fr;gap:26px;
  }
  @media (min-width:1024px){ .cta-inner{grid-template-columns:1.4fr 1fr;align-items:center;padding:48px 44px;gap:40px;} }
  .cta-inner h2{color:#fff;font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800;line-height:1.25;}
  .cta-inner p{color:rgba(255,255,255,.72);margin-top:14px;font-size:15px;line-height:1.85;max-width:560px;}
  .cta-inner .cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
  .cta-inner .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.34);}
  .cta-inner .btn-ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08);box-shadow:none;}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);margin-top:64px;position:relative;}
  .site-footer::before{content:"";display:block;height:4px;background:var(--grad);}
  .footer-inner{padding:48px 20px 28px;}
  @media (min-width:1024px){ .footer-inner{padding:60px 32px 30px;} }
  .footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
  @media (min-width:640px){ .footer-grid{grid-template-columns:repeat(2,1fr);} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;} }
  .footer-brand .logo-text{color:#fff;font-size:19px;}
  .footer-brand p{margin-top:14px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:320px;}
  .footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
  .footer-tags span{
    padding:5px 12px;border-radius:var(--r-pill);
    border:1px solid rgba(255,255,255,.18);font-size:12.5px;color:rgba(255,255,255,.72);
  }
  .footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
  .footer-col ul{display:flex;flex-direction:column;gap:11px;}
  .footer-col li{font-size:14px;line-height:1.7;}
  .footer-col a{color:rgba(255,255,255,.72);transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block;}
  .footer-col a:hover{color:var(--c-brand-1);transform:translateX(-2px);}
  .footer-bottom{
    margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.55);
  }

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