/* roulang page: index */
:root{
  --ink:#171412;--ink-2:#5A534D;--ink-3:#8C857E;
  --bg:#FBF7F2;--bg-alt:#F3ECE3;--line:rgba(23,20,18,.10);
  --brand:#E4552B;--brand-2:#F2A03D;--accent:#1F7A66;--dark:#221B19;
  --grad-brand:linear-gradient(120deg,#E4552B 0%,#F2A03D 100%);
  --grad-soft:linear-gradient(135deg,rgba(228,85,43,.10),rgba(31,122,102,.08));
  --r-lg:28px;--r-md:18px;--r-sm:12px;
  --sh-1:0 2px 6px rgba(23,20,18,.04);
  --sh-2:0 18px 40px -18px rgba(23,20,18,.18);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
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}
h1{font-size:clamp(30px,4.2vw,56px);line-height:1.15;font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{color:var(--ink-2)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:88px 0}
.section--alt{background:var(--bg-alt)}
.section--dark{background:var(--dark);color:#fff}
.section--dark p,.section--dark li{color:rgba(255,255,255,.74)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head p{margin-top:14px;font-size:16px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;color:var(--brand);font-weight:600;text-transform:none}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand)}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(251,247,242,.96);border-bottom:1px solid var(--line);transition:background .25s ease,border-color .25s ease}
.site-header.is-scrolled{background:rgba(251,247,242,.88);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;transition:height .25s ease}
.site-header.is-scrolled .nav{height:64px}
.brand{display:flex;flex-direction:column;line-height:1.2;gap:2px;min-height:44px;justify-content:center}
.brand__name{font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.brand__meta{font-size:11px;color:var(--ink-3);letter-spacing:.14em}
.nav__links{display:flex;align-items:center;gap:40px}
.nav__link{position:relative;display:inline-flex;align-items:center;min-height:44px;font-size:15px;letter-spacing:.02em;color:var(--ink-2);transition:color .2s ease}
.nav__link:hover{color:var(--ink)}
.nav__link.is-active{color:var(--ink);font-weight:600}
.nav__link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;border-radius:2px;background:var(--brand)}
.nav__right{display:flex;align-items:center;gap:18px}
.nav__tel{font-size:12px;color:var(--ink-3);letter-spacing:.02em;white-space:nowrap;transition:color .2s ease}
.nav__tel:hover{color:var(--brand)}
.nav__toggle{display:none;width:44px;height:44px;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav__toggle span{display:block;width:22px;height:1px;background:var(--ink);transition:transform .22s ease,opacity .22s ease}
.nav__toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav__toggle.is-open span:nth-child(2){opacity:0}
.nav__toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.drawer{display:none}

/* ---------- 按钮 / 徽章 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;letter-spacing:.02em;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,border-color .2s ease}
.btn--primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{background:#fff;color:var(--ink);border-color:rgba(23,20,18,.14)}
.btn--ghost:hover{transform:translateY(-1px);border-color:rgba(23,20,18,.3);box-shadow:var(--sh-2)}
.btn--sm{min-height:40px;padding:0 20px;font-size:14px}
.btn--block{width:100%}
.btn[disabled]{opacity:.4;pointer-events:none}
.badge{display:inline-flex;align-items:center;gap:6px;min-height:28px;padding:0 12px;border-radius:999px;background:rgba(31,122,102,.10);color:var(--accent);font-size:13px;font-weight:600;letter-spacing:.02em}
.badge--brand{background:rgba(228,85,43,.10);color:var(--brand)}
.badge--float{position:absolute;top:18px;right:18px;background:rgba(255,255,255,.94);color:var(--accent);box-shadow:var(--sh-1);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.stat{display:flex;flex-direction:column;gap:2px;padding:12px 16px;border-radius:var(--r-sm);background:rgba(31,122,102,.07);border:1px solid rgba(31,122,102,.16)}
.stat__num{font-size:18px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.3}
.stat__label{font-size:13px;color:var(--ink-2);line-height:1.4}
.stat--dark{background:rgba(31,122,102,.22);border-color:rgba(31,122,102,.34)}
.stat--dark .stat__num{color:#8FE3CB}
.stat--dark .stat__label{color:rgba(255,255,255,.78)}

/* ---------- Hero ---------- */
.hero{padding:28px 0 0}
.hero__card{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:48px;border-radius:var(--r-lg);border:1px solid var(--line);background:linear-gradient(170deg,#fff 0%,var(--bg-alt) 100%);box-shadow:var(--sh-2)}
.hero__sub{margin-top:18px;font-size:18px;font-weight:600;color:var(--ink);line-height:1.6}
.hero__lead{margin-top:14px;font-size:16px;line-height:1.85}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero__stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero__media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2)}
.hero__media img{width:100%;aspect-ratio:5/6;object-fit:cover}

/* ---------- 痛点走廊 ---------- */
.pain{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.pain__list{margin-top:24px;border-top:1px solid var(--line)}
.pain__item{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--line)}
.pain__idx{font-size:13px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;padding-top:3px}
.pain__text{font-size:16px;color:var(--ink)}
.pain__text span{display:block;font-size:14px;color:var(--ink-3);margin-top:2px}
.pain__media{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.pain__media img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* ---------- 解决方案总览 ---------- */
.solve{padding:44px;border-radius:var(--r-lg);background:var(--grad-soft);border:1px solid var(--line)}
.solve__cols{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:32px}
.solve__col h3{font-size:18px;margin-bottom:8px}
.solve__col p{font-size:15px;line-height:1.8}
.solve__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}

/* ---------- 接单步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:12px}
.step{position:relative;padding-top:34px}
.step::before{content:"";position:absolute;top:9px;left:18px;right:-24px;border-top:1px dashed rgba(23,20,18,.22)}
.step:last-child::before{display:none}
.step__dot{position:absolute;top:2px;left:0;width:16px;height:16px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(228,85,43,.14)}
.step__num{font-size:13px;font-weight:700;color:var(--ink-3);font-variant-numeric:tabular-nums;letter-spacing:.08em}
.step h3{font-size:18px;margin-top:6px}
.step p{font-size:15px;margin-top:8px;line-height:1.75}

/* ---------- 数据带 ---------- */
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.data-cell{padding:26px;border-radius:var(--r-md);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.10)}
.data-cell__num{font-size:34px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;background:linear-gradient(120deg,#F7B27A,#8FE3CB);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2}
.data-cell__num small{font-size:15px;font-weight:600;margin-left:4px;-webkit-text-fill-color:rgba(255,255,255,.7);color:rgba(255,255,255,.7);background:none;background-clip:border-box}
.data-cell__text{margin-top:8px;font-size:14px}

/* ---------- 客户证言 ---------- */
.quotes{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.quote{padding:28px;border-radius:var(--r-md);background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.quote:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(228,85,43,.4)}
.quote:nth-child(2){margin-top:36px}
.quote:nth-child(4){margin-top:36px}
.quote__meta{display:flex;align-items:center;gap:12px}
.avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-size:15px;font-weight:700;color:#fff;background:var(--grad-brand);flex:none}
.quote__name{font-size:15px;font-weight:600}
.quote__city{font-size:13px;color:var(--ink-3)}
.quote__body{margin-top:16px;font-size:16px;line-height:1.8;color:var(--ink-2)}
.quote__tag{margin-top:16px;display:inline-flex;min-height:26px;align-items:center;padding:0 10px;border-radius:999px;background:var(--bg-alt);color:var(--ink-2);font-size:13px}

/* ---------- 场景入口 ---------- */
.scenes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:32px}
.scene{display:flex;flex-direction:column;gap:6px;padding:22px;border-radius:var(--r-md);background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.scene:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand)}
.scene__title{font-size:16px;font-weight:700;color:var(--ink)}
.scene__desc{font-size:13px;color:var(--ink-3)}
.scene__arrow{font-size:13px;color:var(--brand);font-weight:600}

/* ---------- 时段矩阵 ---------- */
.matrix-wrap{margin-top:32px;overflow-x:auto;padding-bottom:6px}
.matrix{display:grid;grid-template-columns:110px repeat(4,minmax(130px,1fr));gap:1px;min-width:660px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.matrix__cell{display:flex;align-items:center;gap:8px;padding:14px 14px;background:var(--bg);font-size:13px;color:var(--ink-2)}
.matrix__head{background:var(--bg-alt);color:var(--ink);font-weight:600;font-size:13px;letter-spacing:.02em}
.matrix__day{background:var(--bg-alt);font-weight:600;color:var(--ink);font-size:14px}
.dot{width:8px;height:8px;border-radius:50%;flex:none}
.dot--on{background:var(--accent)}
.dot--peak{background:var(--brand)}
.dot--night{background:#8C857E}
.matrix-note{margin-top:14px;font-size:13px;color:var(--ink-3)}

/* ---------- 覆盖区域 ---------- */
.areas{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start;position:relative;padding:44px;border-radius:var(--r-lg);border:1px solid var(--line);background-image:linear-gradient(120deg,rgba(251,247,242,.94),rgba(243,236,227,.9)),url("/assets/images/05687e849c2f6d0b.webp");background-size:cover;background-position:center}
.areas__list{display:grid;grid-template-columns:1fr 1fr;gap:0 32px;border-top:1px solid var(--line)}
.areas__item{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink)}
.areas__item em{font-style:normal;font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}

/* ---------- 预约表单 ---------- */
.order{padding:40px;display:grid;grid-template-columns:1.35fr 1fr;gap:40px;border-radius:var(--r-lg);background:#fff;border:1px solid var(--line);box-shadow:var(--sh-2)}
.field{margin-bottom:16px}
.field label{display:block;margin-bottom:6px;font-size:13px;color:var(--ink-2);letter-spacing:.02em}
.field input,.field select,.field textarea{width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;color:var(--ink);font-size:15px;font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(228,85,43,.12)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.order__note{margin-top:14px;font-size:13px;color:var(--ink-3)}
.order__side{padding:26px;border-radius:var(--r-md);background:var(--bg-alt);border:1px solid var(--line)}
.order__side h3{font-size:17px;margin-bottom:14px}
.order__side li{display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed rgba(23,20,18,.12);font-size:14px;color:var(--ink-2)}
.order__side li:last-child{border-bottom:0}
.order__side li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:9px;flex:none}
.form-msg{margin-top:12px;font-size:14px;color:var(--accent);display:none}
.form-msg.is-show{display:block}

/* ---------- FAQ ---------- */
.faq{display:grid;grid-template-columns:1fr 300px;gap:56px;align-items:start}
.faq__list{border-top:1px solid var(--line)}
.faq__item{border-bottom:1px solid var(--line)}
.faq__q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:20px 0;text-align:left;font-size:17px;font-weight:600;color:var(--ink);min-height:44px}
.faq__icon{position:relative;width:22px;height:22px;flex:none;transition:transform .18s ease}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .18s ease}
.faq__icon::before{left:0;right:0;top:10px;height:2px}
.faq__icon::after{top:0;bottom:0;left:10px;width:2px}
.faq__item.is-open .faq__icon{transform:rotate(180deg)}
.faq__item.is-open .faq__icon::after{transform:scaleY(0)}
.faq__a{overflow:hidden;max-height:0;transition:max-height .28s ease}
.faq__a p{padding:0 0 20px;font-size:15px;line-height:1.85;max-width:640px}
.faq__aside{padding:26px;border-radius:var(--r-md);background:var(--bg-alt);border:1px solid var(--line);text-align:left}
.faq__aside .badge{margin-bottom:14px}
.faq__aside p{font-size:14px;line-height:1.85}

/* ---------- 资讯 ---------- */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}
.post{display:flex;flex-direction:column;border-radius:var(--r-md);overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.post:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(228,85,43,.4)}
.post__thumb{aspect-ratio:16/10;overflow:hidden}
.post__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post:hover .post__thumb img{transform:scale(1.04)}
.post__body{padding:20px}
.post__meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.post__title{font-size:17px;font-weight:700;line-height:1.5;margin-top:10px;color:var(--ink)}
.post__desc{font-size:14px;margin-top:8px;line-height:1.7}
.posts__more{display:flex;justify-content:center;margin-top:36px}

/* ---------- 指标带 ---------- */
.metrics{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 16px;-webkit-overflow-scrolling:touch}
.metric{flex:0 0 264px;scroll-snap-align:start;padding:22px;border-radius:var(--r-md);background:var(--bg-alt);border:1px solid var(--line)}
.metric__num{font-size:26px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:-.01em;line-height:1.3}
.metric__num small{font-size:14px;font-weight:600;color:var(--ink-3);margin-left:4px}
.metric__text{margin-top:8px;font-size:14px;color:var(--ink-2);line-height:1.7}

/* ---------- 结尾 CTA ---------- */
.cta{padding:0 0 88px}
.cta__band{position:relative;overflow:hidden;padding:56px;border-radius:var(--r-lg);background:var(--grad-brand);color:#fff;box-shadow:var(--sh-2)}
.cta__band h2{color:#fff;max-width:640px}
.cta__band p{color:rgba(255,255,255,.9);margin-top:14px;max-width:560px;font-size:16px}
.cta__actions{margin-top:28px}
.cta__actions .btn{background:#fff;color:#C63F1C}
.cta__actions .btn:hover{filter:brightness(.98)}
.cta__stamp{position:absolute;right:40px;bottom:34px;padding:12px 18px;border-radius:var(--r-sm);background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.4);color:#fff;font-size:13px;font-variant-numeric:tabular-nums;backdrop-filter:blur(4px)}

/* ---------- 信任条 ---------- */
.trust{display:flex;flex-wrap:wrap;gap:10px 32px;padding:22px 0 0;border-top:1px solid var(--line);font-size:12px;color:var(--ink-3);letter-spacing:.02em}
.trust span{display:inline-flex;align-items:center;gap:6px}
.trust span::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--accent);flex:none}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.68);padding:56px 0 26px;font-size:14px}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer__brand{display:flex;flex-direction:column;gap:10px}
.footer__brand strong{color:#fff;font-size:18px;font-weight:800;letter-spacing:-.01em}
.footer__brand p{color:rgba(255,255,255,.6);font-size:14px;line-height:1.85}
.footer__links li{padding:6px 0}
.footer__links a{color:rgba(255,255,255,.72);transition:color .2s ease}
.footer__links a:hover{color:#fff;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;text-decoration-color:var(--brand-2)}
.footer__keys{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:rgba(255,255,255,.5);letter-spacing:.02em;line-height:1.9}
.footer__bottom{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;font-size:12px;color:rgba(255,255,255,.46)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero__card{grid-template-columns:1fr;gap:32px;padding:36px}
  .hero__media img{aspect-ratio:16/10}
  .pain{grid-template-columns:1fr;gap:36px}
  .solve__cols{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr;gap:32px}
  .step:nth-child(2)::before{display:none}
  .data-grid{grid-template-columns:1fr 1fr}
  .scenes{grid-template-columns:1fr 1fr}
  .areas{grid-template-columns:1fr;gap:32px;padding:32px}
  .order{grid-template-columns:1fr;padding:28px}
  .faq{grid-template-columns:1fr;gap:32px}
  .posts{grid-template-columns:1fr 1fr}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .nav{height:64px}
  .nav__links,.nav__right{display:none}
  .nav__toggle{display:flex}
  .drawer{display:block;position:fixed;inset:64px 0 0;z-index:75;background:var(--bg);padding:12px 20px 96px;overflow-y:auto;transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .22s ease,transform .22s ease,visibility .22s}
  .drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .drawer__link{display:flex;align-items:center;justify-content:space-between;padding:18px 0;font-size:22px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
  .drawer__link.is-active{color:var(--brand)}
  .drawer__link.is-active::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);margin-right:10px}
  .drawer__cta{position:fixed;left:16px;right:16px;bottom:16px;z-index:78}
  .hero{padding:16px 0 0}
  .hero__card{padding:24px;border-radius:20px}
  .hero__sub{font-size:16px}
  .hero__actions .btn{flex:1 1 auto}
  .solve{padding:26px}
  .solve__cols{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:24px}
  .step{padding-top:26px}
  .step::before{display:none}
  .data-grid{grid-template-columns:1fr 1fr;gap:14px}
  .data-cell{padding:18px}
  .data-cell__num{font-size:26px}
  .quotes{grid-template-columns:1fr}
  .quote:nth-child(2),.quote:nth-child(4){margin-top:0}
  .scenes{grid-template-columns:1fr}
  .areas{padding:22px;border-radius:20px}
  .areas__list{grid-template-columns:1fr}
  .order{padding:20px;border-radius:20px}
  .field-row{grid-template-columns:1fr}
  .posts{grid-template-columns:1fr}
  .metric{flex:0 0 82vw}
  .cta{padding:0 0 56px}
  .cta__band{padding:32px 24px}
  .cta__stamp{position:static;display:inline-block;margin-top:20px}
  .footer__grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:479px){
  .hero__stats{gap:8px}
  .stat{padding:10px 12px}
  .card,.quote,.post,.scene,.metric{border-radius:20px}
  .btn{min-height:46px;padding:0 20px;font-size:14px}
  .data-grid{grid-template-columns:1fr}
}

/* roulang page: category1 */
:root{
 --ink:#171412;--ink-2:#5A534D;--ink-3:#8C857E;
 --bg:#FBF7F2;--bg-alt:#F3ECE3;--line:rgba(23,20,18,.10);
 --brand:#E4552B;--brand-2:#F2A03D;--accent:#1F7A66;--dark:#221B19;
 --grad-brand:linear-gradient(120deg,#E4552B 0%,#F2A03D 100%);
 --grad-soft:linear-gradient(135deg,rgba(228,85,43,.10),rgba(31,122,102,.08));
 --r-lg:28px;--r-md:18px;--r-sm:12px;
 --sh-1:0 2px 6px rgba(23,20,18,.04);
 --sh-2:0 18px 40px -18px rgba(23,20,18,.18);
 --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:88px 0}
.section--alt{background:var(--bg-alt)}
.section--dark{background:var(--dark);color:#fff}
.section--dark p,.section--dark li{color:rgba(255,255,255,.74)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:14px;font-size:16px;color:var(--ink-2)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;color:var(--brand);font-weight:600;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand)}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(251,247,242,.96);border-bottom:1px solid var(--line);transition:background .25s ease,border-color .25s ease}
.site-header.is-scrolled{background:rgba(251,247,242,.88);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;transition:height .25s ease}
.site-header.is-scrolled .nav{height:64px}
.brand{display:flex;flex-direction:column;line-height:1.2;gap:2px;min-height:44px;justify-content:center}
.brand__name{font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.brand__meta{font-size:11px;color:var(--ink-3);letter-spacing:.14em}
.nav__links{display:flex;align-items:center;gap:40px}
.nav__link{position:relative;display:inline-flex;align-items:center;min-height:44px;font-size:15px;letter-spacing:.02em;color:var(--ink-2);transition:color .2s ease}
.nav__link:hover{color:var(--ink)}
.nav__link.is-active{color:var(--ink);font-weight:600}
.nav__link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;border-radius:2px;background:var(--brand)}
.nav__right{display:flex;align-items:center;gap:18px}
.nav__tel{font-size:12px;color:var(--ink-3);letter-spacing:.02em;white-space:nowrap;transition:color .2s ease;min-height:44px;display:inline-flex;align-items:center}
.nav__tel:hover{color:var(--brand)}
.nav__toggle{display:none;width:44px;height:44px;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.nav__toggle span{display:block;width:22px;height:1px;background:var(--ink);transition:transform .22s ease,opacity .22s ease}
.nav__toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav__toggle.is-open span:nth-child(2){opacity:0}
.nav__toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.drawer{display:none;background:var(--bg);border-top:1px solid var(--line)}
.drawer.is-open{display:flex;flex-direction:column;justify-content:space-between;min-height:calc(100vh - 76px);padding:8px 20px 24px}
.drawer__link{display:flex;align-items:center;gap:10px;min-height:64px;font-size:22px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer__link.is-active{color:var(--brand)}
.drawer__link.is-active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 6px}
.drawer__foot{padding-top:24px}

/* ---------- 按钮 / 徽章 / 标签 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;letter-spacing:.02em;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,border-color .2s ease,background .2s ease}
.btn--primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{background:#fff;color:var(--ink);border-color:rgba(23,20,18,.14)}
.btn--ghost:hover{transform:translateY(-1px);border-color:rgba(23,20,18,.3);box-shadow:var(--sh-2)}
.btn--ghost:active{transform:translateY(1px)}
.btn--light{background:#fff;color:var(--ink);box-shadow:var(--sh-1)}
.btn--light:hover{transform:translateY(-1px);box-shadow:var(--sh-2);filter:brightness(.98)}
.btn--sm{min-height:40px;padding:0 20px;font-size:14px}
.btn--block{width:100%}
.badge{display:inline-flex;align-items:center;gap:6px;min-height:28px;padding:0 12px;border-radius:999px;background:rgba(31,122,102,.10);color:var(--accent);font-size:13px;font-weight:600;letter-spacing:.02em}
.badge--brand{background:rgba(228,85,43,.10);color:var(--brand)}
.tag{display:inline-flex;align-items:center;min-height:26px;padding:0 10px;border-radius:999px;background:rgba(23,20,18,.05);color:var(--ink-2);font-size:12px;letter-spacing:.02em;transition:background .2s ease,color .2s ease}
.tag:hover{background:rgba(228,85,43,.12);color:var(--brand)}

/* ---------- 分类页头 ---------- */
.cat-head{padding:64px 0}
.cat-head__inner{display:flex;align-items:flex-start;justify-content:space-between;gap:48px;flex-wrap:wrap}
.cat-head__main{max-width:720px;flex:1 1 460px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--ink-3);letter-spacing:.02em;margin-bottom:20px}
.crumbs a{color:var(--ink-3);transition:color .2s ease}
.crumbs a:hover{color:var(--brand)}
.crumbs span{color:var(--ink-3)}
.cat-head h1{font-size:clamp(28px,3.6vw,44px);line-height:1.2;font-weight:800;letter-spacing:-.01em}
.cat-head__lead{margin-top:20px;font-size:16px;color:var(--ink-2);line-height:1.85}
.cat-head__lead span{display:block}
.cat-head__side{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;padding-top:44px}
.data-badge{display:flex;flex-direction:column;gap:2px;padding:16px 22px;border-radius:var(--r-md);background:rgba(31,122,102,.10);border:1px solid rgba(31,122,102,.16);min-width:132px}
.data-badge__num{font-size:26px;font-weight:800;color:var(--accent);line-height:1.1;font-variant-numeric:tabular-nums}
.data-badge__num small{font-size:13px;font-weight:600;margin-left:2px}
.data-badge__label{font-size:12px;color:var(--ink-3);letter-spacing:.02em}

/* ---------- 筛选条 ---------- */
.filter-wrap{padding-bottom:88px}
.filter-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:32px}
.filter-bar__group{display:flex;gap:10px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:14px;color:var(--ink-2);letter-spacing:.02em;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease}
.chip:hover{border-color:rgba(23,20,18,.28);color:var(--ink);transform:translateY(-1px)}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600}
.filter-bar__count{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}

/* ---------- 列表主体 ---------- */
.posts{display:flex;flex-direction:column;gap:20px}
.post-card{display:grid;grid-template-columns:280px 1fr 40px;gap:26px;align-items:center;padding:18px;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;box-shadow:var(--sh-1);transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease}
.post-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-2)}
.post-card__thumb{display:block;border-radius:var(--r-md);overflow:hidden;background:var(--bg-alt)}
.post-card__thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.post-card:hover .post-card__thumb img{transform:scale(1.03)}
.post-card__title{font-size:18px;font-weight:700;line-height:1.45;letter-spacing:-.005em;color:var(--ink)}
.post-card__title a{transition:color .2s ease}
.post-card__title a:hover{color:var(--brand)}
.post-card__excerpt{margin-top:8px;font-size:14px;line-height:1.75;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.post-card__arrow{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);color:var(--ink-3);font-size:16px;transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease}
.post-card:hover .post-card__arrow{background:var(--grad-brand);border-color:transparent;color:#fff;transform:translateX(2px)}
.list-sep{height:10px;border-radius:999px;background:var(--bg-alt);opacity:.9;margin:6px 0}

/* ---------- 查看更多 ---------- */
.more-wrap{display:flex;justify-content:center;margin-top:40px}

/* ---------- 专题分组 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.topic{padding:26px;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;box-shadow:var(--sh-1);transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease}
.topic:hover{border-color:rgba(228,85,43,.4);box-shadow:var(--sh-2);transform:translateY(-2px)}
.topic h3{font-size:18px;font-weight:700;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:6px}
.topic__list li{border-bottom:1px solid var(--line)}
.topic__list li:last-child{border-bottom:0}
.topic__list a{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding:13px 0;font-size:14px;line-height:1.6;color:var(--ink-2);transition:color .2s ease}
.topic__list a:hover{color:var(--brand)}
.topic__date{flex:0 0 auto;font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums;padding-top:2px}

/* ---------- 热门标签 ---------- */
.tagcloud{display:flex;flex-wrap:wrap;gap:10px;max-width:900px}
.tagcloud .tag{min-height:34px;padding:0 16px;font-size:13px;background:#fff;border:1px solid var(--line)}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;max-width:880px}
.faq__item{border-bottom:1px solid var(--line)}
.faq__item:first-child{border-top:1px solid var(--line)}
.faq__item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;padding:14px 0;font-size:17px;font-weight:600;color:var(--ink);cursor:pointer;list-style:none}
.faq__item summary::-webkit-details-marker{display:none}
.faq__icon{position:relative;width:20px;height:20px;flex:0 0 20px}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;transition:transform .18s ease,opacity .18s ease}
.faq__icon::before{width:14px;height:2px;transform:translate(-50%,-50%)}
.faq__icon::after{width:2px;height:14px;transform:translate(-50%,-50%)}
.faq__item[open] .faq__icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq__body{padding:0 0 20px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:720px}

/* ---------- 尾部转化 ---------- */
.cta-strip{background:var(--dark);color:#fff;padding:44px 0}
.cta-strip__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-strip p{font-size:clamp(18px,2vw,24px);font-weight:700;letter-spacing:-.005em;color:#fff;line-height:1.4}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.76);padding:72px 0 32px;border-top:1px solid rgba(255,255,255,.10)}
.footer__grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
.footer__brand strong{display:block;color:#fff;font-size:18px;font-weight:800;letter-spacing:-.01em;margin-bottom:12px}
.footer__brand p{font-size:14px;line-height:1.8;max-width:380px;color:rgba(255,255,255,.66)}
.site-footer h4{color:#fff;font-size:14px;letter-spacing:.04em;margin-bottom:12px;font-weight:600}
.footer__links li{font-size:14px;padding:6px 0;color:rgba(255,255,255,.66)}
.footer__links a{transition:color .2s ease}
.footer__links a:hover{color:var(--brand-2)}
.footer__keys{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:rgba(255,255,255,.5);letter-spacing:.02em;line-height:1.8}
.footer__bottom{margin-top:14px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.42)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
 .nav__links{gap:24px}
 .nav__tel{display:none}
 .topic-grid{grid-template-columns:1fr 1fr}
 .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
 .container{padding:0 16px}
 .section{padding:56px 0}
 .nav{height:64px}
 .site-header.is-scrolled .nav{height:60px}
 .nav__links{display:none}
 .nav__right .btn{display:none}
 .nav__toggle{display:flex}
 .drawer.is-open{min-height:calc(100vh - 64px)}
 .brand__name{font-size:15px}
 .cat-head{padding:44px 0}
 .cat-head__inner{gap:24px}
 .cat-head__side{padding-top:0}
 .filter-wrap{padding-bottom:56px}
 .post-card{grid-template-columns:1fr;gap:16px;padding:16px;border-radius:20px}
 .post-card__arrow{display:none}
 .post-card__title{font-size:17px}
 .topic-grid{grid-template-columns:1fr}
 .faq__item summary{font-size:16px}
 .footer__grid{grid-template-columns:1fr;gap:28px}
 .cta-strip__inner{flex-direction:column;align-items:flex-start}
 .cta-strip__inner .btn{width:100%}
 .footer__bottom{flex-direction:column;gap:8px}
}
@media (max-width:480px){
 body{font-size:15px}
 .cat-head__side{width:100%}
 .data-badge{flex:1 1 0;min-width:0}
 .post-card{border-radius:20px}
 .filter-bar{gap:12px}
 .chip{padding:0 16px;font-size:13px}
 .btn{min-height:46px;padding:0 20px;font-size:14px}
}