/* roulang page: index */
:root{
  --green:#123A32;
  --green-deep:#0B2621;
  --amber:#D98C2B;
  --amber-deep:#C67C1E;
  --clay:#C2543A;
  --paper:#F7F3EA;
  --card:#FFFFFF;
  --line:#E4DCCB;
  --ink:#1B2420;
  --ink-2:#5C6B64;
  --r-card:14px;
  --r-img:10px;
  --r-btn:8px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(11,38,33,.06);
  --sh-2:0 10px 30px rgba(11,38,33,.10);
  --sh-3:0 24px 60px rgba(11,38,33,.16);
  --sec:104px;
  --container:1200px;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang 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;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--font-serif);margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--ink)}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0;position:relative}
.section--tint{background:#FBF8F1}
.section--deep{background:var(--green-deep);color:#F2EFE6}

.section__head{max-width:760px;margin-bottom:56px;position:relative}
.section__head--center{margin-left:auto;margin-right:auto;text-align:center}
.stamp{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:5px;background:var(--green);color:#EFE7D6;
  font-size:14px;font-weight:700;letter-spacing:.02em;font-variant-numeric:tabular-nums;
  margin-bottom:18px;
}
.section__title{font-size:36px;margin-bottom:14px}
.section__sub{font-size:15px;color:var(--ink-2);max-width:640px}
.section--deep .section__sub{color:rgba(242,239,230,.72)}
.section--deep .stamp{background:var(--amber);color:#1B2420}
.section__foot{margin-top:44px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--green);
  position:relative;padding-bottom:2px;
}
.link-more::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--amber);
  transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
}
.link-more:hover::after{transform:scaleX(1)}
.link-more:hover{color:var(--amber-deep)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;background:none;
  transition:transform .25s ease,background .25s ease,box-shadow .25s ease,color .25s ease,border-color .25s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
.btn--primary{background:var(--amber);color:#fff}
.btn--primary:hover{background:var(--amber-deep);box-shadow:var(--sh-2)}
.btn--ghost{border-color:rgba(255,255,255,.45);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12);box-shadow:var(--sh-2)}
.btn--line{border-color:var(--green);color:var(--green)}
.btn--line:hover{background:var(--green);color:#fff;box-shadow:var(--sh-2)}
.btn--pill{border-radius:var(--r-pill)}
.btn--sm{height:42px;padding:0 20px;font-size:14px}

.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;line-height:1;letter-spacing:.02em;
}
.badge--amber{background:rgba(217,140,43,.14);color:#A9661A}
.badge--green{background:rgba(18,58,50,.10);color:var(--green)}
.badge--line{border:1px solid var(--line);color:var(--ink-2);background:#fff}

/* ============ 导航 ============ */
.site-header{
  --nav-fg:#F2EFE6;
  --nav-fg-dim:rgba(242,239,230,.74);
  position:fixed;top:0;left:0;right:0;z-index:120;
  height:76px;display:flex;align-items:center;
  background:rgba(11,38,33,.30);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.16);
  transition:height .28s ease,background .28s ease,box-shadow .28s ease,border-color .28s ease,color .28s ease;
}
.site-header.is-stuck{
  --nav-fg:#1B2420;
  --nav-fg-dim:#5C6B64;
  height:64px;
  background:rgba(247,243,234,.94);
  border-bottom-color:var(--line);
  box-shadow:0 8px 30px rgba(11,38,33,.12);
}
.site-header__inner{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:24px}
.logo{display:flex;align-items:baseline;gap:8px;color:var(--nav-fg);flex:none}
.logo__mark{font-family:var(--font-serif);font-size:22px;font-weight:700;letter-spacing:.02em}
.logo__sub{font-size:12px;color:var(--nav-fg-dim);letter-spacing:.06em}
.nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav__link{
  display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--nav-fg);background:none;border:none;cursor:pointer;
  position:relative;transition:color .25s ease,background .25s ease;
}
.nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;background:var(--amber);
  transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.nav__link:hover::after,.nav__link.is-active::after{transform:scaleX(1)}
.nav__drop{position:relative}
.nav__menu{
  position:absolute;top:calc(100% + 10px);left:0;min-width:220px;
  background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh-2);
  padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease;
}
.nav__drop:hover .nav__menu,.nav__drop:focus-within .nav__menu{opacity:1;visibility:visible;transform:translateY(0)}
.nav__menu a{
  display:block;padding:10px 14px;border-radius:8px;font-size:14.5px;color:var(--ink);
  transition:background .2s ease,color .2s ease;
}
.nav__menu a:hover{background:rgba(217,140,43,.12);color:#A9661A}
.nav__actions{display:flex;align-items:center;gap:12px;flex:none}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.28);border-radius:10px;background:transparent;color:var(--nav-fg);
  cursor:pointer;transition:background .25s ease,border-color .25s ease;
}
.site-header.is-stuck .icon-btn{border-color:var(--line)}
.icon-btn:hover{background:rgba(217,140,43,.16);border-color:var(--amber)}
.burger{display:none;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.3);border-radius:10px;background:transparent;color:var(--nav-fg);cursor:pointer}
.site-header.is-stuck .burger{border-color:var(--line)}
.burger span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,38,33,.45);opacity:0;visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;z-index:130;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;background:var(--paper);
  z-index:140;transform:translateX(100%);transition:transform .3s ease;
  padding:24px 22px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer__close{width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;font-size:20px;color:var(--green)}
.drawer__group-title{font-size:13px;color:var(--ink-2);letter-spacing:.14em;margin:20px 0 10px}
.drawer__link{display:block;padding:13px 4px;font-size:16px;border-bottom:1px solid var(--line);color:var(--ink)}
.drawer__link:hover{color:var(--amber-deep)}
.drawer__cta{margin-top:26px;width:100%}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;color:#fff;
  min-height:620px;display:flex;align-items:center;
  padding:150px 0 100px;
  background-image:linear-gradient(180deg,rgba(11,38,33,.86),rgba(11,38,33,.52)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;opacity:.05;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.6) 0 1px,transparent 1px 18px),
                   repeating-linear-gradient(0deg,rgba(255,255,255,.6) 0 1px,transparent 1px 18px);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:24px;height:1px;
  background:linear-gradient(90deg,rgba(217,140,43,.9),rgba(217,140,43,0) 40%);
}
.hero__inner{position:relative;z-index:2;width:100%}
.hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.16em;
  color:rgba(242,239,230,.82);margin-bottom:20px;
}
.hero__eyebrow::before{content:"";width:26px;height:1px;background:var(--amber)}
.hero h1{font-size:48px;line-height:1.2;letter-spacing:-.01em;margin-bottom:20px}
.hero__lead{font-size:17px;line-height:1.8;color:rgba(242,239,230,.82);max-width:560px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero__stats{display:flex;margin-top:46px;flex-wrap:wrap}
.hero__stat{flex:1 1 140px;padding:0 24px;border-left:1px solid rgba(255,255,255,.2)}
.hero__stat:first-child{border-left:none;padding-left:0}
.hero__stat strong{display:block;font-family:var(--font-serif);font-size:30px;color:var(--amber);line-height:1.2;font-variant-numeric:tabular-nums}
.hero__stat span{display:block;font-size:13.5px;color:rgba(242,239,230,.72);margin-top:4px}
.hero__media{transform:translateY(-6px)}
.hero__media img{width:100%;border-radius:var(--r-img);box-shadow:var(--sh-3);object-fit:cover;aspect-ratio:4/3}
.hero__media figcaption{font-size:13px;color:rgba(242,239,230,.6);margin-top:12px;text-align:center}

/* ============ 能力卡 2×2 ============ */
.cap-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.cap-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px 28px;position:relative;overflow:hidden;
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.cap-card::before{
  content:"";position:absolute;left:0;top:0;right:0;height:3px;background:var(--amber);
  transform:scaleX(0);transform-origin:left;transition:transform .35s ease;
}
.cap-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.cap-card:hover::before{transform:scaleX(1)}
.cap-card__no{font-family:var(--font-serif);font-size:40px;font-weight:700;color:var(--amber);line-height:1;font-variant-numeric:tabular-nums;margin-bottom:18px;display:block}
.cap-card h3{font-size:24px;margin-bottom:12px}
.cap-card p{font-size:15px;color:var(--ink-2);max-width:44ch}

/* ============ 交错图文 ============ */
.showcase__row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:44px 0;border-bottom:1px solid var(--line)}
.showcase__row:last-of-type{border-bottom:none}
.showcase__row--rev .showcase__media{order:2}
.showcase__row--rev .showcase__text{order:1}
.showcase__media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-1);transition:transform .5s ease}
.showcase__media{overflow:hidden;border-radius:var(--r-img)}
.showcase__row:hover .showcase__media img{transform:scale(1.04)}
.showcase__step{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;color:var(--amber-deep);margin-bottom:14px;font-variant-numeric:tabular-nums}
.showcase__text h3{font-size:24px;margin-bottom:14px}
.showcase__text p{color:var(--ink-2);font-size:15.5px;max-width:46ch}
.showcase__list{margin-top:18px}
.showcase__list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--ink-2);margin-bottom:8px}
.showcase__list li::before{content:"";position:absolute;left:0;top:11px;width:12px;height:2px;background:var(--amber);border-radius:2px}

/* ============ 案例证据 ============ */
.case-grid{display:grid;grid-template-columns:8fr 4fr;gap:24px}
.case-grid__side{display:grid;gap:24px;align-content:start}
.case-card{
  position:relative;border-radius:var(--r-card);overflow:hidden;background:var(--green-deep);
  display:block;transition:transform .35s ease,box-shadow .35s ease;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.case-card img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s ease}
.case-card:hover img{transform:scale(1.04)}
.case-card__mask{
  position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,38,33,0) 34%,rgba(11,38,33,.86) 100%);
  display:flex;flex-direction:column;justify-content:flex-end;padding:24px;color:#fff;
}
.case-card--lead img{aspect-ratio:16/10}
.case-card--sm img{aspect-ratio:4/3}
.case-card__tag{display:inline-flex;align-self:flex-start;height:24px;padding:0 10px;border-radius:var(--r-pill);background:rgba(217,140,43,.9);color:#1B2420;font-size:12px;font-weight:600;align-items:center;margin-bottom:10px}
.case-card__title{font-family:var(--font-serif);font-size:20px;line-height:1.4}
.case-card--lead .case-card__title{font-size:26px}
.case-card__desc{font-size:14px;color:rgba(242,239,230,.82);margin-top:8px}
.case-card--sm .case-card__desc{display:none}

.stat-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:56px}
.stat-bar__item{border-top:1px solid rgba(255,255,255,.16);padding-top:20px}
.section:not(.section--deep) .stat-bar__item{border-top-color:var(--line)}
.stat-bar__item strong{display:block;font-family:var(--font-serif);font-size:40px;color:var(--amber);line-height:1.1;font-variant-numeric:tabular-nums}
.stat-bar__item span{display:block;font-size:14px;color:var(--ink-2);margin-top:6px}
.section--deep .stat-bar__item span{color:rgba(242,239,230,.72)}

/* ============ 方案卡 ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.price-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:32px 28px;
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;position:relative;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.price-card--rec{
  border:2px solid var(--amber);transform:scale(1.04);box-shadow:var(--sh-2);
  padding:44px 30px 40px;
}
.price-card--rec:hover{transform:scale(1.04) translateY(-4px)}
.price-card__ribbon{position:absolute;top:-14px;left:28px;height:28px;padding:0 14px;border-radius:var(--r-pill);background:var(--amber);color:#fff;font-size:13px;font-weight:600;display:inline-flex;align-items:center}
.price-card h3{font-size:22px;margin-bottom:10px}
.price-card__price{font-family:var(--font-serif);font-size:32px;color:var(--green);font-variant-numeric:tabular-nums;margin:14px 0 6px}
.price-card__price em{font-size:14px;font-style:normal;color:var(--ink-2);font-family:var(--font-sans);margin-left:6px}
.price-card__note{font-size:13.5px;color:var(--ink-2);margin-bottom:20px}
.price-card__list li{position:relative;padding-left:22px;font-size:15px;margin-bottom:10px;color:var(--ink)}
.price-card__list li::before{
  content:"";position:absolute;left:0;top:10px;width:12px;height:12px;
  background:var(--amber);border-radius:3px;clip-path:polygon(14% 44%,0 60%,40% 100%,100% 22%,86% 8%,40% 72%);
}
.price-card .btn{width:100%;margin-top:24px}

/* ============ FAQ ============ */
.faq{max-width:860px;margin:0 auto}
.faq__item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;
  position:relative;overflow:hidden;transition:box-shadow .3s ease,border-color .3s ease;
}
.faq__item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--amber);
  transform:scaleY(0);transform-origin:top;transition:transform .3s ease;
}
.faq__item.is-open{box-shadow:var(--sh-1);border-color:#D9CFB9}
.faq__item.is-open::before{transform:scaleY(1)}
.faq__q{
  width:100%;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 24px;background:none;border:none;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);font-family:var(--font-serif);
}
.faq__icon{position:relative;width:16px;height:16px;flex:none}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:var(--green);border-radius:2px;transition:transform .3s ease,opacity .3s ease}
.faq__icon::before{left:0;top:7px;width:16px;height:2px}
.faq__icon::after{left:7px;top:0;width:2px;height:16px}
.faq__item.is-open .faq__icon::after{transform:rotate(90deg);opacity:0}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq__item.is-open .faq__a{max-height:420px}
.faq__a p{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--ink-2)}

/* ============ 最新信息 ============ */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.news-head .section__head{margin-bottom:0}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .35s ease,box-shadow .35s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-card--lead{grid-column:span 2}
.news-card__thumb{display:block;overflow:hidden;background:linear-gradient(100deg,#F1EBDD 20%,#FAF7F0 40%,#F1EBDD 60%);background-size:200% 100%}
.news-card__thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .5s ease}
.news-card--lead .news-card__thumb img{aspect-ratio:16/8}
.news-card:hover .news-card__thumb img{transform:scale(1.04)}
.news-card__body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-card__title{font-size:19px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card--lead .news-card__title{font-size:24px}
.news-card__title a:hover{color:var(--amber-deep)}
.news-card__excerpt{font-size:14.5px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.news-card__meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line)}
.news-card__meta time{font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;padding:40px 24px;text-align:center;
}
.empty-state__art{height:160px;display:flex;align-items:center;justify-content:center;color:#C9BFA8;margin-bottom:16px}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:18px}

/* ============ 联系 ============ */
.contact-wrap{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.contact-info__item{padding:18px 0;border-bottom:1px solid rgba(255,255,255,.14)}
.contact-info__item:last-child{border-bottom:none}
.contact-info__item span{display:block;font-size:13px;color:rgba(242,239,230,.6);letter-spacing:.08em;margin-bottom:6px}
.contact-info__item strong{font-size:17px;font-weight:600;color:#F2EFE6;font-variant-numeric:tabular-nums}
.form{background:#fff;border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-2);display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form__full{grid-column:1 / -1}
.form label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink)}
.form input,.form textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;transition:border-color .25s ease,box-shadow .25s ease;
}
.form textarea{height:120px;padding:12px 14px;resize:vertical;line-height:1.7}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(217,140,43,.18)}
.form__actions{grid-column:1 / -1;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form__hint{font-size:13px;color:var(--ink-2)}
.form-tip{grid-column:1 / -1;display:none;font-size:14px;padding:12px 16px;border-radius:var(--r-btn)}
.form-tip.is-ok{display:block;background:rgba(18,58,50,.06);border:1px solid rgba(18,58,50,.28);color:var(--green)}
.form-tip.is-err{display:block;background:rgba(194,84,58,.06);border:1px solid rgba(194,84,58,.32);color:var(--clay)}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--green-deep);color:rgba(242,239,230,.74);position:relative;
  padding:72px 0 0;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,var(--amber),rgba(217,140,43,0) 70%);
}
.footer__grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px}
.footer__brand .logo{color:#F2EFE6;margin-bottom:16px}
.footer__brand p{font-size:14px;line-height:1.9;max-width:34ch}
.footer__title{font-size:14px;letter-spacing:.14em;color:var(--amber);margin-bottom:18px;font-family:var(--font-sans);font-weight:600}
.footer__links li{margin-bottom:11px}
.footer__links a{font-size:14.5px;transition:color .22s ease}
.footer__links a:hover{color:var(--amber)}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(242,239,230,.5);
}
.footer__bottom a{color:rgba(242,239,230,.62)}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:34px;z-index:110;
  display:inline-flex;align-items:center;gap:12px;
  padding:14px 22px 14px 18px;border-radius:var(--r-pill);
  background:var(--green);color:#F2EFE6;border-left:3px solid var(--amber);
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .35s ease,transform .35s ease,visibility .35s ease,background .25s ease;
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{background:#0B2621;transform:translateY(-2px)}
.float-cta__ico{width:34px;height:34px;border-radius:50%;background:rgba(217,140,43,.2);display:inline-flex;align-items:center;justify-content:center;flex:none}
.float-cta__txt{display:flex;flex-direction:column;line-height:1.35}
.float-cta__txt strong{font-size:14.5px;font-weight:600}
.float-cta__txt em{font-size:12px;font-style:normal;color:rgba(242,239,230,.7)}
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:115;height:60px;
  background:var(--green-deep);border-top:1px solid rgba(255,255,255,.14);
}
.mobile-bar__btn{
  flex:1;display:inline-flex;align-items:center;justify-content:center;gap:6px;
  color:#F2EFE6;font-size:15px;font-weight:600;
}
.mobile-bar__btn--primary{background:var(--amber);color:#fff}

/* ============ 响应式 ============ */
@media (min-width:1280px){
  :root{--container:1240px}
}
@media (max-width:1279px){
  .hero h1{font-size:42px}
}
@media (max-width:1023px){
  :root{--sec:80px}
  .container{padding:0 22px}
  .nav{display:none}
  .nav__actions .btn{display:none}
  .burger{display:inline-flex}
  .section__title{font-size:28px}
  .hero{min-height:0;padding:132px 0 84px}
  .hero__grid{grid-template-columns:1fr;gap:40px}
  .hero__media{transform:none}
  .hero h1{font-size:34px}
  .cap-grid{grid-template-columns:1fr}
  .showcase__row,.showcase__row--rev{grid-template-columns:1fr;gap:28px;padding:34px 0}
  .showcase__row--rev .showcase__media,.showcase__row--rev .showcase__text{order:initial}
  .case-grid{grid-template-columns:1fr}
  .case-grid__side{grid-template-columns:1fr 1fr}
  .stat-bar{grid-template-columns:repeat(2,1fr);gap:20px}
  .price-grid{grid-template-columns:1fr;gap:28px}
  .price-card--rec{transform:none}
  .price-card--rec:hover{transform:translateY(-4px)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .news-card--lead{grid-column:span 2}
  .contact-wrap{grid-template-columns:1fr;gap:34px}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sec:60px}
  .container{padding:0 18px}
  body{font-size:15.5px}
  .hero{padding:118px 0 72px}
  .hero h1{font-size:30px}
  .hero__lead{font-size:15.5px}
  .hero__stat{padding:0 16px;flex:1 1 120px}
  .hero__stat strong{font-size:24px}
  .section__title{font-size:26px}
  .section__head{margin-bottom:36px}
  .cap-card{padding:24px 22px}
  .cap-card__no{font-size:34px}
  .cap-card h3{font-size:20px}
  .showcase__text h3{font-size:20px}
  .case-grid__side{grid-template-columns:1fr}
  .stat-bar{grid-template-columns:1fr 1fr}
  .stat-bar__item strong{font-size:30px}
  .news-grid{grid-template-columns:1fr}
  .news-card--lead{grid-column:auto}
  .news-card__body{padding:20px}
  .news-head{align-items:flex-start;flex-direction:column;gap:14px}
  .faq__q{font-size:16px;padding:14px 18px}
  .faq__a p{padding:0 18px 20px}
  .form{grid-template-columns:1fr;padding:24px}
  .float-cta{display:none}
  .mobile-bar{display:flex}
  body.has-mobile-cta{padding-bottom:76px}
  .footer__grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .site-footer{padding-top:56px}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .hero h1{font-size:26px}
  .hero__stats{margin-top:34px}
  .hero__stat{padding:0 12px}
  .btn{height:46px;padding:0 20px;font-size:14.5px}
  .price-card{padding:24px 20px}
  .price-card--rec{padding:34px 22px 30px}
  .case-card__mask{padding:18px}
  .case-card--lead .case-card__title{font-size:21px}
}

/* roulang page: article */
:root{
  --ink:#123A32;
  --ink-deep:#0B2621;
  --amber:#D98C2B;
  --amber-soft:#F0B45E;
  --clay:#C2543A;
  --paper:#F7F3EA;
  --paper-soft:#FFFDF8;
  --card:#FFFFFF;
  --line:#E4DCCB;
  --line-soft:#EFE8DA;
  --text:#1B2420;
  --muted:#5C6B64;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r-card:14px;
  --r-img:10px;
  --r-btn:8px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(11,38,33,.06);
  --sh-2:0 10px 30px rgba(11,38,33,.10);
  --sh-3:0 24px 60px rgba(11,38,33,.16);
  --sec-y:104px;
  --head-h:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:0}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
::selection{background:rgba(217,140,43,.28)}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{max-width:1240px}}

/* ---------- progress ---------- */
.progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--amber),var(--amber-soft));z-index:1001;transition:width .12s linear}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:900;
  background:rgba(11,38,33,.30);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.16);
  transition:background .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.site-header__inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:var(--head-h);display:flex;align-items:center;gap:24px;
  transition:height .28s ease;
}
@media (min-width:1280px){.site-header__inner{max-width:1240px}}
.site-header.is-stuck{background:rgba(247,243,234,.94);border-bottom-color:var(--line);box-shadow:0 8px 30px rgba(11,38,33,.12)}
.site-header.is-stuck .site-header__inner{height:64px}

.logo{display:inline-flex;flex-direction:column;gap:3px;line-height:1;text-decoration:none;flex:0 0 auto}
.logo__mark{font-family:var(--serif);font-size:22px;font-weight:700;letter-spacing:.01em;color:#fff;transition:color .28s ease}
.logo__sub{font-size:11px;letter-spacing:.22em;color:rgba(255,255,255,.72);transition:color .28s ease}
.site-header.is-stuck .logo__mark{color:var(--ink)}
.site-header.is-stuck .logo__sub{color:var(--muted)}

.nav{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav__link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border:0;background:transparent;cursor:pointer;
  font-size:15px;font-weight:500;color:#fff;text-decoration:none;
  transition:color .28s ease;
}
.nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--amber);transform:scaleX(0);transform-origin:left;
  transition:transform .28s ease;
}
.nav__link:hover::after,.nav__link.is-active::after{transform:scaleX(1)}
.site-header.is-stuck .nav__link{color:var(--text)}
.site-header.is-stuck .nav__link:hover{color:var(--ink)}

.nav__drop{position:relative}
.nav__menu{
  position:absolute;top:calc(100% + 12px);left:0;min-width:210px;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--sh-2);padding:8px;z-index:30;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease;
}
.nav__drop:hover .nav__menu,.nav__drop:focus-within .nav__menu,.nav__drop.is-open .nav__menu{opacity:1;visibility:visible;transform:translateY(0)}
.nav__menu a{display:block;padding:10px 12px;border-radius:8px;font-size:14px;color:var(--text);text-decoration:none;transition:background .2s ease,color .2s ease}
.nav__menu a:hover{background:var(--paper);color:var(--ink)}

.nav__actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.28);
  background:transparent;color:#fff;cursor:pointer;transition:.25s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.14);transform:translateY(-1px)}
.site-header.is-stuck .icon-btn{border-color:var(--line);color:var(--ink)}
.site-header.is-stuck .icon-btn:hover{background:#fff}

.burger{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.32);border-radius:var(--r-btn);
  background:transparent;cursor:pointer;padding:0;
}
.burger span{display:block;width:18px;height:2px;background:#fff;position:relative;transition:background .25s ease}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;transition:background .25s ease}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.site-header.is-stuck .burger{border-color:var(--line)}
.site-header.is-stuck .burger span,
.site-header.is-stuck .burger span::before,
.site-header.is-stuck .burger span::after{background:var(--ink)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:1px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;text-decoration:none;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn--primary{background:var(--amber);color:#241704;box-shadow:0 6px 18px rgba(217,140,43,.28)}
.btn--primary:hover{background:#E39A38;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn--outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:none!important}

/* ---------- badges / tags ---------- */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12.5px;font-weight:600;letter-spacing:.04em;
  background:rgba(217,140,43,.14);color:#9A5F13;white-space:nowrap;
}
.badge--glass{background:rgba(217,140,43,.20);color:#F2C88A}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--muted);font-size:13px;text-decoration:none;
  transition:.25s ease;
}
.tag:hover{border-color:var(--amber);color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-1)}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;padding:148px 0 64px;color:#fff;
  background-image:linear-gradient(180deg,rgba(11,38,33,.90),rgba(11,38,33,.70)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
}
.article-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,var(--amber) 0%,rgba(217,140,43,0) 60%);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.58);margin-bottom:22px}
.breadcrumb a{color:rgba(255,255,255,.80);text-decoration:none;transition:color .22s ease}
.breadcrumb a:hover{color:var(--amber)}
.breadcrumb .sep{color:rgba(255,255,255,.34)}
.breadcrumb [aria-current="page"]{color:rgba(255,255,255,.56);max-width:min(560px,70vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero__title{
  font-family:var(--serif);font-weight:700;letter-spacing:-.01em;
  font-size:clamp(28px,3.6vw,44px);line-height:1.25;margin:0 0 22px;max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;color:rgba(255,255,255,.66)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.36)}
.article-meta .num{color:rgba(255,255,255,.78)}

/* ---------- article layout ---------- */
.article-body{padding:72px 0 88px}
.article-layout{
  display:grid;grid-template-columns:minmax(0,780px) 200px;
  gap:64px;justify-content:center;align-items:start;
}
.article-main{min-width:0}
.article-content{font-size:17px;line-height:1.9;color:var(--text);word-wrap:break-word}
.article-content > *:first-child{margin-top:0}
.article-content p{margin:0 0 1.4em}
.article-content h2{
  font-family:var(--serif);font-size:28px;line-height:1.45;font-weight:700;
  margin:48px 0 16px;padding-left:16px;border-left:4px solid var(--amber);
}
.article-content h3{font-family:var(--serif);font-size:21px;line-height:1.5;font-weight:700;margin:34px 0 12px}
.article-content h4{font-size:17px;font-weight:700;margin:26px 0 10px}
.article-content ul,.article-content ol{margin:0 0 1.4em;padding-left:1.4em;line-height:1.9}
.article-content li{margin-bottom:8px}
.article-content blockquote{
  margin:28px 0;padding:18px 24px;background:#FBF7EE;border-left:4px solid var(--amber);
  border-radius:0 var(--r-btn) var(--r-btn) 0;color:#3B4A43;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:var(--r-img);margin:26px auto;height:auto}
.article-content figure{margin:28px 0}
.article-content figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;line-height:1.7}
.article-content a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;transition:color .22s ease}
.article-content a:hover{color:var(--amber)}
.article-content table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;background:transparent}
.article-content th,.article-content td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}
.article-content th{font-weight:600;color:var(--ink)}
.article-content hr{border:0;border-top:1px solid var(--line);margin:44px 0}
.article-content code{
  background:#F1ECE0;border-radius:5px;padding:2px 6px;font-size:.92em;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-content pre{
  background:#0B2621;color:#E9E3D6;border-radius:var(--r-btn);padding:20px 22px;
  overflow-x:auto;font-size:14px;line-height:1.75;margin:26px 0;
}
.article-content pre code{background:transparent;color:inherit;padding:0}

/* ---------- aside toc ---------- */
.article-aside{position:sticky;top:96px;font-size:14px}
.aside__title{
  font-size:13px;letter-spacing:.18em;color:var(--muted);font-weight:600;
  padding-bottom:12px;margin-bottom:12px;border-bottom:1px solid var(--line);
}
.toc{list-style:none;margin:0;padding:0}
.toc li{margin:0}
.toc a{
  display:block;padding:7px 0 7px 12px;border-left:2px solid transparent;
  color:var(--muted);text-decoration:none;line-height:1.6;font-size:13.5px;
  transition:color .22s ease,border-color .22s ease;
}
.toc a:hover{color:var(--ink);border-left-color:var(--amber)}
.toc a.is-current{color:var(--ink);border-left-color:var(--amber);font-weight:600}

/* ---------- article foot ---------- */
.article-foot{
  margin-top:52px;padding-top:28px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
}
.article-foot__tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.article-foot__label{font-size:13px;letter-spacing:.16em;color:var(--muted)}
.article-actions{display:flex;gap:10px}
.act-btn{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 18px;
  border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;
  color:var(--muted);font-size:14px;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,color .25s ease,border-color .25s ease,background .25s ease;
}
.act-btn:hover{border-color:var(--amber);color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-1)}
.act-btn.is-on{background:rgba(217,140,43,.12);border-color:var(--amber);color:#9A5F13}

/* ---------- empty state ---------- */
.empty-state{
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:44px 24px;
}
.empty-state__art{
  width:120px;height:76px;border-radius:var(--r-img);
  background:linear-gradient(135deg,#F2EDE2,#E8E1D2);position:relative;overflow:hidden;
}
.empty-state__art::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.75) 50%,rgba(255,255,255,0) 100%);
  animation:shimmer 1.8s infinite;
}
@keyframes shimmer{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}
.empty-state p{color:var(--muted);font-size:15px}

/* ---------- section head ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-head h2{font-family:var(--serif);font-size:32px;line-height:1.3;margin:0 0 8px;color:var(--ink)}
.sec-head p{color:var(--muted);font-size:15px;margin:0}
.link-more{
  color:var(--ink);font-size:14.5px;font-weight:600;text-decoration:none;
  display:inline-flex;align-items:center;gap:6px;padding-bottom:2px;
  background-image:linear-gradient(var(--amber),var(--amber));
  background-size:0 2px;background-repeat:no-repeat;background-position:0 100%;
  transition:background-size .28s ease,color .25s ease;
}
.link-more:hover{background-size:100% 2px;color:#9A5F13}

/* ---------- related cards ---------- */
.related{padding:84px 0;background:var(--paper-soft);border-top:1px solid var(--line)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.info-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;text-decoration:none;color:inherit;
  box-shadow:var(--sh-1);
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D9CDB4}
.info-card__media{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(90deg,#F2EDE2,#E8E1D2)}
.info-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.info-card:hover .info-card__media img{transform:scale(1.04)}
.info-card__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.info-card__title{
  font-family:var(--serif);font-size:19px;line-height:1.5;font-weight:700;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.info-card__desc{
  font-size:14.5px;color:var(--muted);line-height:1.75;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.info-card__meta{
  margin-top:auto;padding-top:10px;display:flex;align-items:center;justify-content:space-between;
  gap:12px;font-size:13px;color:var(--muted);
}
.info-card__more{color:var(--ink);font-weight:600;font-size:13.5px;transition:color .25s ease}
.info-card:hover .info-card__more{color:var(--amber)}

/* ---------- end nav ---------- */
.article-end{padding:0 0 88px}
.article-end__inner{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:center;
  padding:40px 0 0;border-top:1px solid var(--line);
}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;padding:88px 0;color:#fff;
  background-image:linear-gradient(180deg,rgba(11,38,33,.94),rgba(11,38,33,.86)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.cta-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,var(--amber) 0%,rgba(217,140,43,0) 70%);
}
.cta-band__inner{display:grid;grid-template-columns:1.35fr .65fr;gap:48px;align-items:center}
.cta-band h2{font-family:var(--serif);font-size:34px;line-height:1.32;margin:0 0 14px}
.cta-band p{color:rgba(242,239,230,.76);font-size:16px;margin:0;max-width:620px}
.cta-band__actions{display:flex;flex-direction:column;gap:14px}
.cta-band__actions .btn{width:100%}
.cta-band__note{font-size:13px;color:rgba(242,239,230,.55);text-align:center}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-deep);color:rgba(242,239,230,.78);padding:72px 0 26px;position:relative}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,var(--amber) 0%,rgba(217,140,43,0) 72%);
}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer__brand p{font-size:14px;line-height:1.85;color:rgba(242,239,230,.62);margin:16px 0 0;max-width:320px}
.footer__title{font-size:14px;letter-spacing:.16em;color:var(--amber);margin:0 0 16px;font-weight:600}
.footer__links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;font-size:14px}
.footer__links a{color:rgba(242,239,230,.76);text-decoration:none;transition:color .22s ease}
.footer__links a:hover{color:var(--amber)}
.footer__links span{color:rgba(242,239,230,.62)}
.footer__bottom{
  margin-top:52px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(242,239,230,.5);
}
.site-footer .logo__mark{color:#fff}

/* ---------- floating cta ---------- */
.float-cta{
  position:fixed;right:24px;bottom:32px;z-index:800;
  display:flex;align-items:center;gap:12px;padding:14px 22px 14px 16px;
  background:var(--ink-deep);border-left:3px solid var(--amber);border-radius:var(--r-pill);
  color:#fff;text-decoration:none;box-shadow:var(--sh-3);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .35s ease,transform .35s ease,background .25s ease;
}
.float-cta.is-show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{background:#123A32}
.float-cta__icon{
  width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(217,140,43,.18);color:var(--amber);flex:0 0 auto;
}
.float-cta__txt{display:flex;flex-direction:column;line-height:1.35}
.float-cta__txt strong{font-size:14.5px;font-weight:600}
.float-cta__txt em{font-style:normal;font-size:12px;color:rgba(242,239,230,.6)}

.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:850;display:none;gap:10px;
  padding:8px 12px;background:rgba(247,243,234,.96);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
}
.mobile-bar .btn{flex:1;height:44px;font-size:14.5px}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,38,33,.45);z-index:940;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;z-index:960;
  background:var(--paper);box-shadow:var(--sh-3);padding:22px 20px 30px;
  display:flex;flex-direction:column;gap:20px;overflow-y:auto;
  transform:translateX(102%);transition:transform .32s ease;
}
.drawer.is-open{transform:none}
.drawer__head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.drawer__head .logo__mark{color:var(--ink)}
.drawer__head .logo__sub{color:var(--muted)}
.drawer__close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;color:var(--ink);font-size:20px;line-height:1;cursor:pointer;
}
.drawer__close:hover{border-color:var(--amber);color:var(--amber)}
.drawer__nav{display:flex;flex-direction:column;gap:4px}
.drawer__nav a{
  display:block;padding:12px 12px;border-radius:var(--r-btn);text-decoration:none;
  color:var(--text);font-size:15px;transition:background .22s ease,color .22s ease;
}
.drawer__nav a:hover{background:#fff;color:var(--ink)}
.drawer__label{font-size:12px;letter-spacing:.2em;color:var(--muted);padding:14px 12px 6px}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  :root{--sec-y:80px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .article-aside{display:none}
  .article-body{padding:56px 0 72px}
  .cta-band__inner{grid-template-columns:1fr;gap:32px}
  .footer__grid{grid-template-columns:1fr 1fr;gap:34px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sec-head h2{font-size:28px}
  .article-content{font-size:16.5px}
}
@media (max-width:767px){
  :root{--head-h:64px}
  .container{padding:0 18px}
  .site-header__inner{padding:0 18px;gap:14px}
  .nav{display:none}
  .nav__actions .btn{display:none}
  .burger{display:inline-flex}
  .article-hero{padding:112px 0 46px}
  .article-meta{gap:10px;font-size:13.5px}
  .article-content{font-size:16px}
  .article-content h2{font-size:23px;margin:38px 0 14px}
  .article-content h3{font-size:19px}
  .related{padding:64px 0}
  .card-grid{grid-template-columns:1fr}
  .article-end{padding:0 0 64px}
  .cta-band{padding:64px 0}
  .cta-band h2{font-size:26px}
  .float-cta{display:none}
  .mobile-bar{display:flex}
  body{padding-bottom:76px}
  .footer__grid{grid-template-columns:1fr;gap:30px}
  .footer__bottom{margin-top:38px}
  .info-card__body{padding:18px}
}
@media (max-width:480px){
  .article-hero__title{font-size:26px}
  .sec-head h2{font-size:24px}
  .btn{height:44px;padding:0 18px;font-size:14.5px}
  .article-content figure{margin:22px 0}
}

/* roulang page: category1 */
:root{
  --ink:#123A32;
  --ink-deep:#0B2621;
  --ink-soft:#16463C;
  --amber:#D98C2B;
  --amber-deep:#8A5410;
  --amber-soft:#FBF0DD;
  --clay:#C2543A;
  --paper:#F7F3EA;
  --paper-alt:#F1EADC;
  --card:#FFFFFF;
  --line:#E4DCCB;
  --text:#1B2420;
  --muted:#5C6B64;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --r-card:14px;
  --r-img:10px;
  --r-btn:8px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(11,38,33,.06);
  --sh-2:0 10px 30px rgba(11,38,33,.10);
  --sh-3:0 24px 60px rgba(11,38,33,.16);
  --sec:104px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--text);
  font-family:var(--font-sans);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .25s ease}
a:hover{color:var(--amber-deep)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--font-serif);margin:0;line-height:1.25;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:48px;font-weight:700;line-height:1.2}
h2{font-size:36px;font-weight:700}
h3{font-size:24px;font-weight:700}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section--tint{background:var(--paper-alt)}
.section--dark{background:var(--ink-deep);color:rgba(242,239,230,.82)}
.section--dark h2{color:#F7F3EA}
.sec-head{max-width:760px;margin-bottom:52px}
.sec-label{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.18em;
  color:var(--amber-deep);margin-bottom:16px;text-transform:uppercase;
}
.sec-label::before{content:"";width:22px;height:2px;background:var(--amber)}
.sec-head p{color:var(--muted);font-size:16.5px;margin-top:14px}
.section--dark .sec-label{color:var(--amber)}
.section--dark .sec-head p{color:rgba(242,239,230,.7)}
.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--ink);position:relative;padding-bottom:2px}
.text-link::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--amber);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.text-link:hover::after{transform:scaleX(1)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;height:76px;color:#fff;
  background:rgba(11,38,33,.30);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.16);
  transition:height .28s ease,background .28s ease,box-shadow .28s ease,color .28s ease;
}
.site-header.is-stuck{
  height:64px;color:var(--text);
  background:rgba(247,243,234,.94);
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 30px rgba(11,38,33,.12);
}
.site-header__inner{
  height:100%;max-width:1200px;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.logo{display:flex;flex-direction:column;line-height:1.15;color:currentColor}
.logo__mark{font-family:var(--font-serif);font-size:20px;font-weight:700;letter-spacing:.02em}
.logo__sub{font-size:11px;letter-spacing:.16em;opacity:.72;margin-top:2px}
.nav{display:flex;align-items:center;gap:28px}
.nav__link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:15px;background:none;border:0;padding:6px 0;cursor:pointer;color:inherit;
}
.nav__link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--amber);
  transition:width .28s ease;
}
.nav__link:hover::after,.nav__link.is-active::after{width:100%}
.nav__drop{position:relative}
.nav__menu{
  position:absolute;top:calc(100% + 16px);left:50%;min-width:236px;padding:10px;
  background:#fff;color:var(--text);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;
  transform:translateX(-50%) translateY(8px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease;
}
.nav__drop:hover .nav__menu,.nav__drop.is-open .nav__menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav__menu a{display:block;padding:9px 14px;border-radius:8px;font-size:14.5px}
.nav__menu a:hover{background:var(--paper);color:var(--ink)}
.nav__menu a.is-active{background:var(--amber-soft);color:var(--amber-deep);font-weight:600}
.nav__actions{display:flex;align-items:center;gap:14px}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid currentColor;border-radius:var(--r-pill);background:transparent;
  opacity:.82;cursor:pointer;transition:opacity .25s ease,transform .25s ease;
}
.icon-btn:hover{opacity:1;transform:translateY(-2px)}
.burger{
  display:none;width:44px;height:44px;border:1px solid currentColor;border-radius:10px;
  background:transparent;cursor:pointer;align-items:center;justify-content:center;
}
.burger span{position:relative;display:block;width:18px;height:2px;background:currentColor;border-radius:2px}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;text-align:center;
  transition:transform .25s ease,background .25s ease,box-shadow .25s ease,color .25s ease,border-color .25s ease;
}
.btn--primary{background:var(--ink);color:#F7F3EA}
.btn--primary:hover{background:var(--ink-soft);color:#FFF;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--amber{background:var(--amber);color:#2A1804}
.btn--amber:hover{background:#E39A3C;color:#2A1804;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--ghost{background:transparent;border-color:rgba(247,243,234,.55);color:#F7F3EA}
.btn--ghost:hover{background:rgba(247,243,234,.12);color:#FFF;transform:translateY(-2px)}
.btn--outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn--outline:hover{background:var(--ink);color:#F7F3EA;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn:active{transform:translateY(0)}
.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:none!important}
.btn-group{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* ---------- 分类首屏 ---------- */
.cat-hero{
  position:relative;min-height:320px;display:flex;align-items:flex-end;
  padding:130px 0 48px;color:#F7F3EA;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(11,38,33,.88),rgba(11,38,33,.62)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 16px);
}
.cat-hero .container{position:relative;z-index:2}
.cat-hero::before{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;z-index:3;
  background:linear-gradient(90deg,var(--amber),rgba(217,140,43,0));
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(247,243,234,.7);margin-bottom:18px}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li:not(:last-child)::after{content:"/";opacity:.5}
.crumb [aria-current="page"]{color:rgba(247,243,234,.92)}
.cat-hero h1{color:#F7F3EA;font-size:clamp(28px,4vw,48px);max-width:900px}
.cat-hero__sub{margin-top:16px;font-size:16.5px;color:rgba(247,243,234,.78);max-width:640px}

/* ---------- 引导段 ---------- */
.lead{padding:72px 0 0}
.lead__box{max-width:760px}
.lead__box p{font-size:17px;color:#2B3833}
.lead__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--amber-soft);color:var(--amber-deep);font-size:13.5px;font-weight:600;
}
.tag--line{background:transparent;border:1px solid var(--line);color:var(--muted);font-weight:500}

/* ---------- 时间轴（阶梯） ---------- */
.tl{position:relative;margin-top:8px}
.tl::before{
  content:"";position:absolute;left:27px;top:14px;bottom:40px;width:1px;
  background:linear-gradient(180deg,var(--line) 0%,var(--line) 82%,rgba(228,220,203,0) 100%);
}
.tl__item{position:relative;display:grid;grid-template-columns:56px 1fr;gap:32px;padding-bottom:34px}
.tl__item:last-child{padding-bottom:0}
.tl__num{
  position:relative;z-index:2;width:56px;height:56px;border-radius:var(--r-card);
  background:var(--ink-deep);color:var(--amber);display:flex;align-items:center;justify-content:center;
  font-family:var(--font-serif);font-weight:700;font-size:20px;font-variant-numeric:tabular-nums;
  box-shadow:var(--sh-1);
}
.tl__body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.tl__body:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DCC9A2}
.tl__body h3{font-size:19px;margin-bottom:8px}
.tl__body p{font-size:15.5px;color:var(--muted);margin:0}
.tl__item:nth-child(2) .tl__body{margin-left:18px}
.tl__item:nth-child(3) .tl__body{margin-left:36px}
.tl__item:nth-child(4) .tl__body{margin-left:54px}
.tl__item:nth-child(5) .tl__body{margin-left:72px}

/* ---------- 通用卡片网格 ---------- */
.grid{display:grid;gap:24px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;position:relative;transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DCC9A2}
.card__idx{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;
  background:var(--paper-alt);color:var(--amber-deep);font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.card h3{font-size:19px;margin-bottom:10px}
.card p{font-size:15px;color:var(--muted);margin:0}
.card__list{margin-top:14px;display:grid;gap:8px}
.card__list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--muted)}
.card__list li::before{
  content:"";position:absolute;left:2px;top:11px;width:8px;height:8px;border-radius:2px;
  background:var(--amber);opacity:.85;
}

/* ---------- 适配情形：行卡 + 配图 ---------- */
.fit{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.fit__media{position:relative}
.fit__media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-2)}
.fit__media::after{
  content:"";position:absolute;inset:auto -18px -18px auto;width:120px;height:120px;
  border-radius:var(--r-card);background:var(--amber);opacity:.14;
}
.rowlist{border-top:1px solid var(--line)}
.rowlist__item{
  display:grid;grid-template-columns:44px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid var(--line);
  transition:background .3s ease;
}
.rowlist__item:hover{background:rgba(255,255,255,.55)}
.rowlist__num{
  font-family:var(--font-serif);font-size:20px;font-weight:700;color:var(--amber);
  font-variant-numeric:tabular-nums;
}
.rowlist__item h3{font-size:18px;margin-bottom:6px}
.rowlist__item p{font-size:14.8px;color:var(--muted);margin:0}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:8px}
.stats__item{padding:8px 26px;border-left:1px solid rgba(228,220,203,.5)}
.stats__item:first-child{border-left:0;padding-left:0}
.stats__num{
  font-family:var(--font-serif);font-size:40px;font-weight:700;color:var(--amber);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.section--dark .stats__item{border-left-color:rgba(255,255,255,.14)}
.stats__txt{margin-top:10px;font-size:14.8px;color:var(--muted)}
.section--dark .stats__txt{color:rgba(242,239,230,.72)}
.evidence__note{
  margin-top:44px;padding:24px 26px;border-radius:var(--r-card);
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);
  font-size:15px;color:rgba(242,239,230,.78);max-width:820px;
}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto}
.faq__item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:box-shadow .3s ease,border-color .3s ease;
}
.faq__item[open]{box-shadow:inset 3px 0 0 var(--amber),var(--sh-1);border-color:#DCC9A2}
.faq__item summary{
  list-style:none;cursor:pointer;min-height:64px;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:16.5px;font-weight:600;color:var(--ink);
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{
  content:"+";flex:0 0 auto;font-size:24px;line-height:1;color:var(--amber);
  transition:transform .3s ease;
}
.faq__item[open] summary::after{transform:rotate(45deg)}
.faq__answer{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--muted)}

/* ---------- 相关分类互链 ---------- */
.related{padding:0 0 var(--sec)}
.pill-nav{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.pill-nav a{
  display:inline-flex;align-items:center;height:44px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--card);border:1px solid var(--line);font-size:14.8px;color:var(--text);
  transition:transform .28s ease,border-color .28s ease,background .28s ease,color .28s ease;
}
.pill-nav a:hover{transform:translateY(-2px);border-color:var(--amber);color:var(--amber-deep)}
.pill-nav a.is-current{background:var(--ink);border-color:var(--ink);color:#F7F3EA;font-weight:600}

/* ---------- CTA 区 ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#F7F3EA;padding:88px 0;
  background-image:linear-gradient(180deg,rgba(11,38,33,.92),rgba(11,38,33,.82)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cta-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(217,140,43,0),var(--amber),rgba(217,140,43,0));
}
.cta-band__inner{max-width:760px;position:relative;z-index:2}
.cta-band h2{color:#F7F3EA;font-size:clamp(26px,3vw,36px)}
.cta-band p{margin-top:16px;font-size:16.5px;color:rgba(247,243,234,.78)}
.cta-band .btn-group{margin-top:30px}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--ink-deep);color:rgba(242,239,230,.78);padding:76px 0 0}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(217,140,43,0),var(--amber),rgba(217,140,43,0));
}
.site-footer .logo{color:#F7F3EA}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.footer__brand p{margin-top:16px;font-size:14.5px;line-height:1.8;max-width:330px}
.footer__title{font-size:14px;letter-spacing:.16em;color:var(--amber);margin:0 0 18px;font-family:var(--font-sans);font-weight:600}
.footer__links{display:grid;gap:10px;font-size:14.5px}
.footer__links a:hover{color:#fff}
.footer__bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(242,239,230,.6);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:34px;z-index:110;
  display:flex;flex-direction:column;gap:4px;padding:16px 20px 16px 22px;
  background:var(--ink-deep);color:#F7F3EA;border-left:3px solid var(--amber);
  border-radius:12px;box-shadow:var(--sh-3);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .4s ease,transform .4s ease;
}
.float-cta.is-show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta__top{display:flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600}
.float-cta__sub{font-size:12.5px;color:rgba(242,239,230,.66)}
.float-cta:hover{color:#FFF;box-shadow:0 24px 60px rgba(11,38,33,.24)}

/* ---------- 抽屉 ---------- */
.mask{
  position:fixed;inset:0;background:rgba(11,38,33,.45);z-index:130;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;z-index:140;
  background:var(--paper);padding:26px 22px 32px;overflow-y:auto;
  transform:translateX(100%);transition:transform .32s ease;box-shadow:var(--sh-3);
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:26px}
.drawer__close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;
  cursor:pointer;font-size:20px;line-height:1;color:var(--ink);
}
.drawer__title{font-size:13px;letter-spacing:.16em;color:var(--muted);margin:22px 0 10px}
.drawer__link{display:block;padding:12px 14px;border-radius:10px;font-size:15.5px;color:var(--ink)}
.drawer__link:hover{background:#fff}
.drawer__link.is-active{background:var(--amber-soft);color:var(--amber-deep);font-weight:600}
.drawer .btn{width:100%;margin-top:22px}

/* ---------- 响应式 ---------- */
@media (min-width:1280px){
  .container{max-width:1240px}
}
@media (max-width:1023px){
  :root{--sec:80px}
  h1{font-size:36px}
  h2{font-size:30px}
  .site-header__inner,.container{padding:0 22px}
  .nav{gap:18px}
  .grid--3,.grid--4{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .stats__item:nth-child(3){border-left:0;padding-left:0}
  .fit{grid-template-columns:1fr;gap:36px}
  .fit__media{order:-1}
  .tl__item:nth-child(2) .tl__body,.tl__item:nth-child(3) .tl__body,
  .tl__item:nth-child(4) .tl__body,.tl__item:nth-child(5) .tl__body{margin-left:0}
  .footer__grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:767px){
  :root{--sec:60px}
  h1{font-size:32px}
  h2{font-size:26px}
  h3{font-size:20px}
  body{font-size:15.5px}
  .container{padding:0 18px}
  .nav{display:none}
  .burger{display:inline-flex}
  .nav__actions .btn{display:none}
  .cat-hero{min-height:240px;padding:104px 0 30px}
  .cat-hero__sub{font-size:15px}
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
  .card{padding:20px}
  .stats{grid-template-columns:1fr;gap:0}
  .stats__item{border-left:0;padding:20px 0;border-top:1px solid var(--line)}
  .stats__item:first-child{border-top:0;padding-top:0}
  .section--dark .stats__item{border-top-color:rgba(255,255,255,.14);border-left:0}
  .tl__item{grid-template-columns:44px 1fr;gap:18px}
  .tl__num{width:44px;height:44px;font-size:17px}
  .tl::before{left:21px}
  .tl__body{padding:20px}
  .faq__item summary{padding:0 18px;font-size:15.5px}
  .faq__answer{padding:0 18px 20px}
  .cta-band{padding:64px 0}
  .footer__grid{grid-template-columns:1fr;gap:30px}
  .footer__bottom{flex-direction:column}
  .float-cta{
    right:0;left:0;bottom:0;border-left:0;border-top:3px solid var(--amber);
    border-radius:0;flex-direction:row;align-items:center;gap:0;padding:0;height:60px;
    box-shadow:0 -8px 30px rgba(11,38,33,.2);
  }
  .float-cta__top,.float-cta__sub{display:none}
  .float-cta__btn{
    flex:1;height:60px;display:flex;align-items:center;justify-content:center;
    font-size:15px;font-weight:600;color:#F7F3EA;
  }
  .float-cta__btn + .float-cta__btn{border-left:1px solid rgba(255,255,255,.14)}
  .float-cta__btn:hover{background:rgba(255,255,255,.08);color:#FFF}
  body.has-float-cta{padding-bottom:76px}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .card{padding:18px}
  .btn{height:46px;padding:0 18px;font-size:14.5px}
  .stats__num{font-size:34px}
}
@media (min-width:768px){
  .float-cta__btn{display:none}
}

/* roulang page: category2 */
/* ===== 设计令牌 ===== */
:root{
  --ink:#123A32;
  --deep:#0B2621;
  --amber:#D98C2B;
  --clay:#C2543A;
  --paper:#F7F3EA;
  --card:#FFFFFF;
  --line:#E4DCCB;
  --text:#1B2420;
  --muted:#5C6B64;
  --r-card:14px;
  --r-img:10px;
  --r-btn:8px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(11,38,33,.06);
  --sh-2:0 10px 30px rgba(11,38,33,.10);
  --sh-3:0 24px 60px rgba(11,38,33,.16);
  --sec:104px;
  --container:1200px;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --head-h:76px;
}
/* ===== 基础重置 ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--ink);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--amber);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (min-width:1280px){.container{max-width:1240px;}}
.section{padding:var(--sec) 0;}
.section--alt{background:#FFFCF5;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section__head{max-width:760px;margin-bottom:56px;}
.section__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;color:var(--amber);font-weight:700;
  margin-bottom:14px;
}
.section__eyebrow::before{content:"";width:14px;height:14px;background:var(--amber);border-radius:3px;display:inline-block;}
h1,h2,h3{font-family:var(--font-serif);color:var(--ink);letter-spacing:-.01em;}
h2{font-size:36px;line-height:1.3;font-weight:700;margin-bottom:16px;}
h3{font-size:24px;line-height:1.4;font-weight:700;margin-bottom:12px;}
.section__desc{color:var(--muted);max-width:720px;}
/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;transition:all .28s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--amber);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:#c97d1f;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn--ghost{border-color:rgba(255,255,255,.5);color:#fff;}
.btn--ghost:hover{border-color:var(--amber);color:var(--amber);transform:translateY(-2px);}
.btn--outline{border-color:var(--line);color:var(--ink);background:#fff;}
.btn--outline:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn--sm{padding:10px 18px;font-size:14px;}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--ink);position:relative;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:-4px;height:2px;width:0;background:var(--amber);transition:width .3s ease;
}
.link-more:hover::after{width:100%;}
.link-more:hover{color:var(--ink);}
/* ===== 导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(11,38,33,.30);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.16);
  transition:background .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.site-header__inner{
  max-width:1240px;margin:0 auto;padding:0 24px;
  height:var(--head-h);display:flex;align-items:center;gap:32px;
  transition:height .28s ease;
}
.site-header.is-stuck{
  background:rgba(247,243,234,.94);
  border-bottom-color:var(--line);
  box-shadow:0 8px 30px rgba(11,38,33,.12);
}
.site-header.is-stuck .site-header__inner{height:64px;}
.logo{display:flex;flex-direction:column;line-height:1.15;flex-shrink:0;}
.logo__mark{font-family:var(--font-serif);font-size:21px;font-weight:700;color:#fff;letter-spacing:.02em;}
.logo__sub{font-size:11px;letter-spacing:.2em;color:rgba(255,255,255,.72);}
.site-header.is-stuck .logo__mark{color:var(--ink);}
.site-header.is-stuck .logo__sub{color:var(--muted);}
.nav{display:flex;align-items:center;gap:30px;margin-left:auto;}
.nav__link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:500;color:rgba(255,255,255,.92);
  padding:6px 0;position:relative;transition:color .25s ease;
}
.nav__link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--amber);transition:width .28s ease;
}
.nav__link:hover{color:#fff;}
.nav__link:hover::after,.nav__link.is-active::after{width:100%;}
.nav__link.is-active{color:#fff;}
.site-header.is-stuck .nav__link{color:var(--text);}
.site-header.is-stuck .nav__link:hover{color:var(--ink);}
.site-header.is-stuck .nav__link.is-active{color:var(--ink);}
.nav__drop{position:relative;}
.nav__menu{
  position:absolute;top:calc(100% + 14px);left:-14px;min-width:230px;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--sh-2);padding:8px;display:flex;flex-direction:column;gap:2px;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:all .24s ease;
}
.nav__drop:hover .nav__menu,
.nav__drop:focus-within .nav__menu,
.nav__drop.is-open .nav__menu{opacity:1;visibility:visible;transform:translateY(0);}
.nav__menu a{
  padding:10px 14px;border-radius:8px;font-size:14px;color:var(--text);white-space:nowrap;
}
.nav__menu a:hover{background:var(--paper);color:var(--ink);}
.nav__menu a.is-active{background:rgba(217,140,43,.10);color:#a96b17;font-weight:600;}
.nav__actions{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.24);
  transition:all .25s ease;
}
.icon-btn:hover{color:#fff;border-color:var(--amber);}
.site-header.is-stuck .icon-btn{color:var(--muted);border-color:var(--line);}
.site-header.is-stuck .icon-btn:hover{color:var(--ink);border-color:var(--amber);}
.burger{
  display:none;width:44px;height:44px;border-radius:10px;
  align-items:center;justify-content:center;position:relative;
}
.burger span,.burger span::before,.burger span::after{
  display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:all .28s ease;
}
.burger span{position:relative;}
.burger span::before{content:"";position:absolute;top:-6px;left:0;}
.burger span::after{content:"";position:absolute;top:6px;left:0;}
.site-header.is-stuck .burger span,
.site-header.is-stuck .burger span::before,
.site-header.is-stuck .burger span::after{background:var(--ink);}
.burger.is-open span{background:transparent;}
.burger.is-open span::before{top:0;transform:rotate(45deg);background:var(--ink);}
.burger.is-open span::after{top:0;transform:rotate(-45deg);background:var(--ink);}
.nav-mask{
  position:fixed;inset:0;background:rgba(11,38,33,.45);
  opacity:0;visibility:hidden;transition:all .3s ease;z-index:85;
}
.nav-mask.is-open{opacity:1;visibility:visible;}
/* ===== 分类 Hero ===== */
.page-hero{
  position:relative;
  min-height:320px;
  display:flex;align-items:flex-end;
  padding:calc(var(--head-h) + 56px) 0 56px;
  background-image:linear-gradient(180deg,rgba(11,38,33,.90),rgba(11,38,33,.62)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#fff;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,var(--amber),rgba(217,140,43,0) 40%);
}
.page-hero__crumb{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:rgba(255,255,255,.7);margin-bottom:18px;flex-wrap:wrap;
}
.page-hero__crumb a{color:rgba(255,255,255,.7);}
.page-hero__crumb a:hover{color:var(--amber);}
.page-hero__crumb span:last-child{color:rgba(255,255,255,.95);}
.page-hero h1{
  font-size:48px;line-height:1.2;font-weight:700;color:#fff;letter-spacing:-.01em;
  max-width:900px;
}
.page-hero__sub{
  margin-top:16px;font-size:17px;color:rgba(255,255,255,.84);max-width:640px;
}
/* ===== 引导段 ===== */
.lead{max-width:760px;}
.lead p{font-size:17px;color:var(--muted);}
.lead p + p{margin-top:18px;}
/* ===== 图文交错 ===== */
.feature{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:40px 0;
  border-top:1px solid var(--line);
}
.feature:first-of-type{border-top:0;padding-top:0;}
.feature__media{position:relative;}
.feature__media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  box-shadow:var(--sh-2);transition:transform .45s ease;
}
.feature__media img:hover{transform:scale(1.03);}
.feature__index{
  position:absolute;left:-10px;top:-10px;
  font-family:var(--font-serif);font-size:20px;font-weight:700;
  color:#fff;background:var(--amber);border-radius:6px;
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.feature__body p{color:var(--muted);margin-bottom:18px;}
.feature__body .feature__list{display:flex;flex-direction:column;gap:10px;}
.feature__list li{
  position:relative;padding-left:22px;font-size:15px;color:var(--text);
}
.feature__list li::before{
  content:"";position:absolute;left:0;top:11px;width:12px;height:2px;background:var(--amber);border-radius:2px;
}
.feature--reverse .feature__media{order:2;}
.feature--reverse .feature__body{order:1;}
/* ===== 数据条 ===== */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  margin-top:56px;padding-top:40px;border-top:1px solid var(--line);
}
.stats__item{border-left:1px solid var(--line);padding-left:22px;}
.stats__item:first-child{border-left:0;padding-left:0;}
.stats__num{
  font-family:var(--font-serif);font-size:40px;font-weight:700;color:var(--amber);
  line-height:1.1;font-variant-numeric:tabular-nums;
}
.stats__label{margin-top:8px;font-size:14px;color:var(--muted);}
/* ===== 两列清单 ===== */
.deliver{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;margin-top:8px;}
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-1);transition:transform .35s ease,box-shadow .35s ease;
}
.panel:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.panel__title{
  font-size:15px;letter-spacing:.14em;color:var(--amber);font-weight:700;margin-bottom:20px;
}
.panel__list{display:flex;flex-direction:column;gap:14px;}
.panel__list li{
  position:relative;padding-left:26px;font-size:15px;color:var(--text);line-height:1.75;
}
.panel__list li::before{
  content:"";position:absolute;left:0;top:9px;width:13px;height:7px;
  border-left:2px solid var(--amber);border-bottom:2px solid var(--amber);
  transform:rotate(-45deg);
}
/* ===== 步骤条 ===== */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:56px;
}
.step{
  background:var(--card);border:1px solid var(--line);border-top:3px solid var(--line);
  border-radius:var(--r-card);padding:26px 24px;transition:all .35s ease;
}
.step:hover{border-top-color:var(--amber);transform:translateY(-4px);box-shadow:var(--sh-2);}
.step__num{
  font-family:var(--font-serif);font-size:26px;font-weight:700;color:var(--amber);
  font-variant-numeric:tabular-nums;
}
.step__title{font-size:18px;font-weight:700;color:var(--ink);margin:10px 0 8px;font-family:var(--font-serif);}
.step p{font-size:14px;color:var(--muted);line-height:1.8;}
/* ===== FAQ ===== */
.faq{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq__item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;
  transition:box-shadow .3s ease,border-color .3s ease;
}
.faq__item:hover{box-shadow:var(--sh-1);}
.faq__item.is-open{border-color:#D9CFB8;box-shadow:var(--sh-1);}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:0 24px;min-height:64px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);font-family:var(--font-sans);
  position:relative;
}
.faq__q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--amber);border-radius:0 3px 3px 0;
  transform:scaleY(0);transform-origin:top;transition:transform .3s ease;
}
.faq__item.is-open .faq__q::before{transform:scaleY(1);}
.faq__ico{
  position:relative;width:18px;height:18px;flex-shrink:0;transition:transform .3s ease;
}
.faq__ico::before,.faq__ico::after{
  content:"";position:absolute;background:var(--amber);border-radius:2px;
}
.faq__ico::before{left:0;top:8px;width:18px;height:2px;}
.faq__ico::after{left:8px;top:0;width:2px;height:18px;}
.faq__item.is-open .faq__ico{transform:rotate(45deg);}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq__a-inner{padding:0 24px 24px;font-size:15px;line-height:1.9;color:var(--muted);}
/* ===== 相关分类 ===== */
.related{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:500;color:var(--text);
  transition:all .28s ease;
}
.pill:hover{border-color:var(--amber);color:#a96b17;transform:translateY(-2px);box-shadow:var(--sh-1);}
.pill.is-current{
  background:var(--ink);border-color:var(--ink);color:#fff;
}
.pill.is-current:hover{color:#fff;transform:none;box-shadow:var(--sh-2);}
/* ===== CTA ===== */
.cta{
  position:relative;overflow:hidden;
  background:var(--deep);color:#fff;
  padding:88px 0 96px;
}
.cta::before{
  content:"";position:absolute;inset:0;opacity:.06;pointer-events:none;
  background-image:
    repeating-linear-gradient(45deg,rgba(255,255,255,.6) 0 1px,transparent 1px 14px),
    repeating-linear-gradient(-45deg,rgba(255,255,255,.6) 0 1px,transparent 1px 14px);
}
.cta::after{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,var(--amber),rgba(217,140,43,0));
}
.cta__inner{position:relative;z-index:2;max-width:720px;}
.cta h2{color:#fff;}
.cta p{color:rgba(242,239,230,.76);margin-top:16px;}
.cta__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
/* ===== 浮动 CTA ===== */
.float-cta{
  position:fixed;right:24px;bottom:32px;z-index:80;
  display:flex;flex-direction:column;gap:2px;
  background:var(--ink);border-left:3px solid var(--amber);
  border-radius:14px;box-shadow:var(--sh-3);overflow:hidden;
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .35s ease,transform .35s ease;
}
.float-cta.is-show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta__link{
  display:flex;align-items:center;gap:10px;padding:14px 22px 14px 18px;
  color:#fff;font-size:14px;font-weight:600;line-height:1.35;
}
.float-cta__link + .float-cta__link{border-top:1px solid rgba(255,255,255,.12);}
.float-cta__link:hover{background:rgba(255,255,255,.07);color:#fff;}
.float-cta__link svg{flex-shrink:0;}
/* ===== 页脚 ===== */
.site-footer{
  background:var(--deep);color:rgba(242,239,230,.72);
  padding:76px 0 0;position:relative;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,var(--amber),rgba(217,140,43,0));
}
.footer__grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;padding-bottom:56px;
}
.footer__brand .logo{margin-bottom:16px;}
.footer__brand .logo__mark{color:#fff;}
.footer__brand p{font-size:14px;line-height:1.85;color:rgba(242,239,230,.62);}
.footer__title{
  font-size:14px;letter-spacing:.14em;color:var(--amber);font-weight:700;margin-bottom:20px;
}
.footer__links{display:flex;flex-direction:column;gap:12px;}
.footer__links a,.footer__links span{font-size:14px;color:rgba(242,239,230,.72);}
.footer__links a:hover{color:var(--amber);}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(242,239,230,.5);
}
/* ===== 响应式 ===== */
@media (max-width:1023px){
  :root{--sec:80px;--head-h:68px;}
  h2{font-size:28px;}
  h3{font-size:21px;}
  .page-hero h1{font-size:36px;}
  .feature{grid-template-columns:1fr;gap:32px;padding:32px 0;}
  .feature--reverse .feature__media{order:0;}
  .feature--reverse .feature__body{order:0;}
  .deliver{grid-template-columns:1fr;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);row-gap:32px;}
  .stats__item:nth-child(3){border-left:0;padding-left:0;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:40px;}
}
@media (max-width:767px){
  :root{--sec:60px;}
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .nav{
    position:fixed;top:0;right:0;height:100vh;width:84vw;max-width:360px;
    background:var(--paper);flex-direction:column;align-items:stretch;gap:0;
    padding:92px 24px 32px;margin-left:0;overflow-y:auto;
    transform:translateX(102%);transition:transform .3s ease;z-index:88;
    box-shadow:var(--sh-3);
  }
  .nav.is-open{transform:translateX(0);}
  .nav__link{
    width:100%;justify-content:space-between;padding:16px 0;
    color:var(--text);font-size:16px;border-bottom:1px solid var(--line);
  }
  .nav__link::after{display:none;}
  .nav__drop{width:100%;}
  .nav__menu{
    position:static;opacity:1;visibility:visible;transform:none;
    display:none;border:0;box-shadow:none;background:transparent;
    padding:4px 0 12px 12px;min-width:0;
  }
  .nav__drop.is-open .nav__menu{display:flex;}
  .nav__menu a{padding:12px 10px;font-size:15px;}
  .burger{display:inline-flex;}
  .icon-btn{display:none;}
  .site-header__inner{gap:16px;padding:0 18px;}
  .page-hero{min-height:240px;padding:calc(var(--head-h) + 40px) 0 40px;}
  .page-hero h1{font-size:30px;}
  .page-hero__sub{font-size:15px;}
  .lead p{font-size:16px;}
  .steps{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;}
  .stats__item{border-left:0;padding-left:0;}
  .panel{padding:24px 20px;}
  .feature__index{width:38px;height:38px;font-size:18px;left:-6px;top:-6px;}
  .faq__q{padding:0 18px;font-size:15px;min-height:58px;}
  .faq__a-inner{padding:0 18px 20px;}
  .float-cta{
    right:0;left:0;bottom:0;border-radius:0;border-left:0;border-top:3px solid var(--amber);
    flex-direction:row;gap:0;transform:translateY(100%);
  }
  .float-cta.is-show{transform:translateY(0);}
  .float-cta__link{flex:1;justify-content:center;padding:18px 8px;font-size:14px;}
  .float-cta__link + .float-cta__link{border-top:0;border-left:1px solid rgba(255,255,255,.14);}
  .footer__grid{grid-template-columns:1fr;gap:34px;padding-bottom:40px;}
  .footer__bottom{flex-direction:column;gap:8px;}
}
@media (max-width:480px){
  h2{font-size:24px;}
  .page-hero h1{font-size:26px;}
  .stats__num{font-size:32px;}
  .btn{width:100%;}
  .cta__actions{flex-direction:column;}
}

/* roulang page: category3 */
:root{
  --ink:#123A32;
  --ink-deep:#0B2621;
  --amber:#D98C2B;
  --amber-deep:#8A5410;
  --clay:#C2543A;
  --paper:#F7F3EA;
  --paper-soft:#FBF8F1;
  --card:#FFFFFF;
  --line:#E4DCCB;
  --text:#1B2420;
  --muted:#5C6B64;
  --on-dark:#F2EFE6;
  --r-card:14px;
  --r-img:10px;
  --r-btn:8px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(11,38,33,.06);
  --sh-2:0 10px 30px rgba(11,38,33,.10);
  --sh-3:0 24px 60px rgba(11,38,33,.16);
  --sec:104px;
  --container:1200px;
  --ff-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --ff-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--ff-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
summary{list-style:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--ff-serif);font-weight:700;letter-spacing:-.01em;color:var(--ink-deep)}
p{margin:0}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1280px){
  .container{max-width:1240px}
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0}
.section--tint{background:var(--paper-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:780px;margin-bottom:44px}
.sec-head__eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.14em;color:var(--amber-deep);margin-bottom:14px;
}
.sec-head h2{font-size:36px;line-height:1.25}
.sec-head p{margin-top:14px;color:var(--muted);font-size:15.5px;max-width:660px}
.sec-foot{margin-top:36px}
.stamp{
  display:inline-grid;place-items:center;
  width:30px;height:30px;border-radius:6px;
  background:var(--amber);color:#0B2621;
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.link-u{
  display:inline-block;font-size:15px;color:var(--ink);
  background-image:linear-gradient(var(--amber),var(--amber));
  background-repeat:no-repeat;background-size:0% 1.5px;background-position:0 100%;
  transition:background-size .3s ease,color .3s ease;
  padding-bottom:2px;
}
.link-u:hover{background-size:100% 1.5px;color:var(--amber-deep)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.4;
  border:1px solid transparent;cursor:pointer;
  transition:transform .28s ease,box-shadow .28s ease,background-color .28s ease,color .28s ease,border-color .28s ease;
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn--primary{background:var(--amber);color:#20150A}
.btn--primary:hover{background:#E39A3B}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn--ghost:hover{border-color:var(--ink);background:#fff}
.btn--light{background:var(--on-dark);color:var(--ink-deep)}
.btn--outline-light{background:transparent;border-color:rgba(242,239,230,.42);color:var(--on-dark)}
.btn--outline-light:hover{border-color:var(--amber);color:var(--amber)}
.btn--sm{padding:10px 18px;font-size:14px}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(217,140,43,.14);color:var(--amber-deep);
  font-size:13px;line-height:1.6;letter-spacing:.02em;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag-row span{
  display:inline-flex;padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(242,239,230,.34);color:rgba(242,239,230,.9);font-size:13px;
}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(11,38,33,.30);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.16);
  color:var(--on-dark);
  transition:background-color .28s ease,color .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.site-header__inner{
  max-width:1240px;margin:0 auto;padding:0 24px;
  height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  transition:height .28s ease;
}
.site-header.is-stuck{
  background:rgba(247,243,234,.94);
  color:var(--ink);
  border-bottom-color:var(--line);
  box-shadow:0 8px 30px rgba(11,38,33,.12);
}
.site-header.is-stuck .site-header__inner{height:64px}

.logo{display:inline-flex;flex-direction:column;line-height:1.15}
.logo__mark{font-family:var(--ff-serif);font-size:20px;font-weight:700;letter-spacing:.02em}
.logo__sub{font-size:11px;letter-spacing:.16em;opacity:.72;margin-top:2px}

.nav{display:flex;align-items:center;gap:26px}
.nav__link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:15px;padding:6px 0;transition:color .25s ease;
}
.nav__link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--amber);transition:width .28s ease;
}
.nav__link:hover::after,.nav__link.is-active::after{width:100%}
.nav__drop{position:relative}
.nav__menu{
  position:absolute;top:calc(100% + 14px);left:-14px;min-width:230px;
  background:#fff;color:var(--ink);
  border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--sh-2);padding:8px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s;
}
.nav__drop:hover .nav__menu,
.nav__drop:focus-within .nav__menu{opacity:1;visibility:visible;transform:translateY(0)}
.nav__menu a{
  display:block;padding:10px 12px;border-radius:8px;font-size:14px;color:var(--ink);
  transition:background-color .2s ease,color .2s ease;
}
.nav__menu a:hover{background:rgba(217,140,43,.12);color:var(--amber-deep)}
.nav__menu a.is-active{background:rgba(18,58,50,.06);font-weight:600}

.nav__actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  display:grid;place-items:center;width:40px;height:40px;border-radius:50%;
  border:1px solid currentColor;opacity:.85;
  transition:opacity .25s ease,transform .25s ease;
}
.icon-btn:hover{opacity:1;transform:translateY(-1px)}
.burger{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid currentColor;position:relative;
}
.burger span,
.burger span::before,
.burger span::after{
  position:absolute;left:50%;width:18px;height:2px;background:currentColor;border-radius:2px;
  transform:translateX(-50%);transition:transform .25s ease,opacity .25s ease;
}
.burger span{top:50%;margin-top:-1px}
.burger span::before{content:"";top:-6px;left:0;transform:none}
.burger span::after{content:"";top:6px;left:0;transform:none}
.burger.is-open span{background:transparent}
.burger.is-open span::before{transform:translateY(6px) rotate(45deg)}
.burger.is-open span::after{transform:translateY(-6px) rotate(-45deg)}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,38,33,.45);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s;z-index:95;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;z-index:100;
  background:var(--paper);color:var(--text);
  padding:26px 22px 40px;overflow-y:auto;
  transform:translateX(102%);transition:transform .32s ease;
  box-shadow:var(--sh-3);
}
.drawer.is-open{transform:translateX(0)}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer__close{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;font-size:18px;color:var(--ink);
}
.drawer__title{font-size:13px;letter-spacing:.14em;color:var(--amber-deep);margin:22px 0 10px}
.drawer__list li a{
  display:block;padding:12px 4px;font-size:15px;color:var(--ink);
  border-bottom:1px solid var(--line);transition:color .2s ease,padding-left .2s ease;
}
.drawer__list li a:hover{color:var(--amber-deep);padding-left:8px}
.drawer__cta{margin-top:26px}
.drawer__cta .btn{width:100%}

/* ---------- 分类页 Hero ---------- */
.page-hero{
  position:relative;
  min-height:320px;
  display:flex;align-items:flex-end;
  padding:126px 0 46px;
  color:var(--on-dark);
  background-image:linear-gradient(180deg,rgba(11,38,33,.88),rgba(11,38,33,.60)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,var(--amber) 0%,rgba(217,140,43,.25) 40%,rgba(217,140,43,0) 100%);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(242,239,230,.72);margin-bottom:16px}
.breadcrumb a{transition:color .25s ease}
.breadcrumb a:hover{color:var(--amber)}
.breadcrumb span.sep{opacity:.5}
.breadcrumb .current{color:rgba(242,239,230,.92)}
.page-hero__title{font-size:44px;line-height:1.2;color:var(--on-dark)}
.page-hero__sub{margin-top:14px;font-size:16px;color:rgba(242,239,230,.82);max-width:640px}
.page-hero .tag-row{margin-top:22px}

/* ---------- 引导段 ---------- */
.intro__wrap{max-width:760px}
.intro__lead{
  font-family:var(--ff-serif);font-size:22px;line-height:1.7;color:var(--ink-deep);
  padding-left:20px;border-left:4px solid var(--amber);
}
.intro__text{margin-top:22px;color:var(--muted);font-size:16px}
.intro__text + .intro__text{margin-top:14px}

/* ---------- 胶囊步骤 ---------- */
.steps{display:flex;flex-wrap:wrap;gap:14px;align-items:stretch}
.step-pill{
  display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:12px 24px 12px 14px;box-shadow:var(--sh-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.step-pill:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(217,140,43,.5)}
.step-pill__body strong{display:block;font-size:15px;color:var(--ink-deep);font-family:var(--ff-serif)}
.step-pill__body span{font-size:13px;color:var(--muted)}
.step-track{
  margin-top:26px;height:3px;border-radius:2px;
  background:linear-gradient(90deg,var(--amber),rgba(217,140,43,.12));
}

/* ---------- 两列清单 ---------- */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.check-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .35s ease,box-shadow .35s ease;
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.check-card__head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.check-card h3{font-size:20px}
.check-card > p{color:var(--muted);font-size:14px;margin-bottom:14px}
.check-list li{
  position:relative;padding:11px 0 11px 26px;
  font-size:15px;color:var(--text);border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:0}
.check-list li::before{
  content:"";position:absolute;left:2px;top:19px;
  width:11px;height:6px;border-left:2px solid var(--amber);border-bottom:2px solid var(--amber);
  transform:rotate(-45deg);
}

/* ---------- 媒体卡片 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.media-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .35s ease,box-shadow .35s ease;
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.media-card__pic{aspect-ratio:16/9;overflow:hidden;background:#EDE7DA}
.media-card__pic img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.media-card:hover .media-card__pic img{transform:scale(1.04)}
.media-card__body{padding:24px}
.media-card__body h3{font-size:20px;margin:12px 0 10px}
.media-card__body p{color:var(--muted);font-size:14.5px}
.media-card__list{margin-top:14px;border-top:1px solid var(--line);padding-top:12px}
.media-card__list li{font-size:14px;color:var(--muted);padding:4px 0 4px 16px;position:relative}
.media-card__list li::before{
  content:"";position:absolute;left:0;top:14px;width:6px;height:6px;border-radius:50%;background:var(--amber);
}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:34px 28px;box-shadow:var(--sh-1);
}
.stat{padding-left:24px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0;padding-left:0}
.stat__num{
  font-family:var(--ff-serif);font-size:36px;font-weight:700;color:var(--amber);
  line-height:1.15;font-variant-numeric:tabular-nums;
}
.stat__label{margin-top:8px;font-size:14px;color:var(--muted)}
.rhythm-note{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:14px;
}
.rhythm-note span{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--r-pill);background:#fff;
  border:1px solid var(--line);font-size:14px;color:var(--muted);box-shadow:var(--sh-1);
}
.rhythm-note span i{
  width:8px;height:8px;border-radius:50%;background:var(--amber);flex:0 0 8px;
}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto}
.faq__item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:box-shadow .3s ease;
}
.faq__item[open]{box-shadow:var(--sh-2)}
.faq__q{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:14px 22px;cursor:pointer;
  font-family:var(--ff-serif);font-size:17px;font-weight:600;color:var(--ink-deep);
  transition:color .25s ease;
}
.faq__q::-webkit-details-marker{display:none}
.faq__q:hover{color:var(--amber-deep)}
.faq__q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--amber);transform:scaleY(0);transition:transform .3s ease;
}
.faq__item[open] .faq__q::before{transform:scaleY(1)}
.faq__icon{flex:0 0 18px;color:var(--amber);transition:transform .3s ease}
.faq__item[open] .faq__icon{transform:rotate(45deg)}
.faq__a{padding:0 22px 22px;font-size:15px;line-height:1.9;color:var(--muted)}

/* ---------- 相关分类 ---------- */
.cat-nav{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cat-nav a{
  display:inline-flex;align-items:center;padding:11px 22px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--ink);
  transition:transform .28s ease,border-color .28s ease,color .28s ease,box-shadow .28s ease;
}
.cat-nav a:hover{transform:translateY(-2px);border-color:var(--amber);color:var(--amber-deep);box-shadow:var(--sh-1)}
.cat-nav a.is-current{background:var(--ink);border-color:var(--ink);color:var(--on-dark)}
.cat-nav__label{
  font-size:13px;letter-spacing:.14em;color:var(--amber-deep);margin-right:6px;
}

/* ---------- CTA 区 ---------- */
.cta-band{
  position:relative;border-radius:18px;overflow:hidden;
  padding:64px 48px;text-align:center;color:var(--on-dark);
  background-image:linear-gradient(180deg,rgba(11,38,33,.90),rgba(11,38,33,.74)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  box-shadow:var(--sh-3);
}
.cta-band h2{color:var(--on-dark);font-size:34px;line-height:1.3}
.cta-band p{margin:16px auto 0;max-width:620px;color:rgba(242,239,230,.82);font-size:15.5px}
.cta-band__actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.cta-band__meta{margin-top:22px;font-size:13px;color:rgba(242,239,230,.62)}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:32px;z-index:80;
  display:flex;flex-direction:column;gap:2px;
  padding:14px 22px 14px 18px;
  background:var(--ink-deep);color:var(--on-dark);
  border-left:3px solid var(--amber);border-radius:12px;
  box-shadow:var(--sh-3);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .35s ease,transform .35s ease;
}
.float-cta.is-show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{transform:translateY(-2px)}
.float-cta strong{font-size:15px;font-weight:600}
.float-cta span{font-size:12.5px;color:rgba(242,239,230,.66)}
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:85;display:none;height:60px;
  background:var(--ink-deep);border-top:3px solid var(--amber);
}
.mobile-bar a{
  flex:1;display:grid;place-items:center;
  color:var(--on-dark);font-size:15px;font-weight:600;
}
.mobile-bar a + a{border-left:1px solid rgba(255,255,255,.14)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:var(--ink-deep);color:rgba(242,239,230,.72);
  padding:72px 0 0;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,var(--amber),rgba(217,140,43,0));
}
.footer__grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;
  padding-bottom:46px;
}
.footer__brand .logo{margin-bottom:16px;color:var(--on-dark)}
.footer__brand p{font-size:14px;line-height:1.8;max-width:340px}
.footer__title{
  font-size:14px;letter-spacing:.14em;color:var(--amber);
  margin-bottom:16px;font-family:var(--ff-sans);
}
.footer__links li{margin-bottom:10px;font-size:14px}
.footer__links a{transition:color .25s ease}
.footer__links a:hover{color:var(--amber)}
.footer__bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;font-size:13px;color:rgba(242,239,230,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sec:80px}
  .container{padding:0 24px}
  .sec-head h2{font-size:30px}
  .page-hero__title{font-size:36px}
  .check-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr;gap:0}
  .stat{padding:18px 0 18px 24px;border-left:1px solid var(--line)}
  .stat:nth-child(odd){border-left:0;padding-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
  .footer__grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:1023px){
  .nav{display:none}
  .burger{display:block}
}
@media (max-width:767px){
  :root{--sec:60px}
  body{padding-bottom:76px}
  body{font-size:15.5px}
  .container{padding:0 18px}
  .sec-head{margin-bottom:32px}
  .sec-head h2{font-size:26px}
  .page-hero{padding:104px 0 36px;min-height:240px}
  .page-hero__title{font-size:30px}
  .page-hero__sub{font-size:15px}
  .intro__lead{font-size:19px;padding-left:16px}
  .check-card{padding:22px}
  .grid-3{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr;padding:22px 18px}
  .stat__num{font-size:30px}
  .cta-band{padding:44px 22px;border-radius:14px}
  .cta-band h2{font-size:25px}
  .cta-band__actions .btn{width:100%}
  .footer__grid{grid-template-columns:1fr;gap:26px}
  .footer__bottom{flex-direction:column;gap:6px}
  .float-cta{display:none}
  .mobile-bar{display:flex}
  .media-card__body{padding:20px}
  .faq__q{font-size:16px;padding:14px 18px}
  .faq__a{padding:0 18px 20px}
  .intro__text{font-size:15.5px}
}
@media (max-width:480px){
  .page-hero__title{font-size:26px}
  .stat__num{font-size:26px}
  .step-pill{padding:10px 18px 10px 12px}
  .step-pill__body strong{font-size:14px}
  .step-pill__body span{font-size:12.5px}
  .cat-nav a{padding:9px 16px;font-size:13.5px}
}

/* roulang page: category4 */
:root{
  --ink:#123A32;
  --ink-dark:#0B2621;
  --amber:#D98C2B;
  --clay:#C2543A;
  --paper:#F7F3EA;
  --card:#FFFFFF;
  --line:#E4DCCB;
  --text:#1B2420;
  --muted:#5C6B64;
  --r-card:14px;
  --r-img:10px;
  --r-btn:8px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(11,38,33,.06);
  --sh-2:0 10px 30px rgba(11,38,33,.10);
  --sh-3:0 24px 60px rgba(11,38,33,.16);
  --sec:104px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
.num,.statbar__num,time{font-variant-numeric:tabular-nums}

.container{max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{max-width:1240px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;transition:transform .25s ease,background .25s ease,box-shadow .25s ease,color .25s ease,border-color .25s ease;
  white-space:nowrap;
}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn--primary{background:var(--amber);color:#1B2420;box-shadow:var(--sh-1)}
.btn--primary:hover{background:#E39B3F;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn--ink{background:var(--ink);color:#F2EFE6}
.btn--ink:hover{background:#17493E;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--ink:active{transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--amber);color:#8F5A15;transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn--light{background:transparent;color:#F2EFE6;border-color:rgba(242,239,230,.42)}
.btn--light:hover{background:rgba(242,239,230,.10);border-color:var(--amber);transform:translateY(-2px)}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none}
.textlink{
  display:inline-flex;align-items:center;gap:6px;color:var(--ink);font-weight:600;font-size:15px;
  position:relative;padding-bottom:2px;
}
.textlink::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:var(--amber);
  transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
}
.textlink:hover::after{transform:scaleX(1)}
.textlink svg{transition:transform .3s ease}
.textlink:hover svg{transform:translateX(4px)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  height:76px;
  background:rgba(11,38,33,.30);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.16);
  transition:height .28s ease,background .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.site-header__inner{
  max-width:1240px;margin:0 auto;height:100%;padding:0 24px;
  display:flex;align-items:center;gap:28px;
}
.site-header.is-stuck{
  height:64px;
  background:rgba(247,243,234,.94);
  border-bottom-color:var(--line);
  box-shadow:0 8px 30px rgba(11,38,33,.12);
}
.logo{display:flex;flex-direction:column;line-height:1.12;flex-shrink:0}
.logo__mark{font-family:var(--serif);font-size:21px;font-weight:700;letter-spacing:.01em;color:#F4F1E8;transition:color .28s ease}
.logo__sub{font-size:11.5px;letter-spacing:.22em;color:rgba(242,239,230,.70);transition:color .28s ease}
.site-header.is-stuck .logo__mark{color:var(--ink)}
.site-header.is-stuck .logo__sub{color:var(--muted)}

.nav{display:flex;align-items:center;gap:6px;margin-left:14px}
.nav__link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;color:rgba(244,241,232,.92);
  transition:color .25s ease,background .25s ease;
}
.nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--amber);
  transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
}
.nav__link:hover::after,.nav__link.is-active::after{transform:scaleX(1)}
.nav__link:hover{color:#fff}
.site-header.is-stuck .nav__link{color:#31463F}
.site-header.is-stuck .nav__link:hover{color:var(--ink)}
.nav__drop{position:relative}
.nav__drop .nav__link{cursor:pointer}
.nav__menu{
  position:absolute;top:calc(100% + 12px);left:0;min-width:216px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:8px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.nav__drop:hover .nav__menu,.nav__drop.is-open .nav__menu{opacity:1;visibility:visible;transform:translateY(0)}
.nav__menu a{
  display:block;padding:9px 12px;border-radius:8px;font-size:14.5px;color:#31463F;
  transition:background .25s ease,color .25s ease;
}
.nav__menu a:hover{background:rgba(217,140,43,.10);color:#8F5A15}
.nav__menu a.is-active{color:#8F5A15;font-weight:600;background:rgba(217,140,43,.08)}

.nav__actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-btn);display:inline-flex;align-items:center;justify-content:center;
  color:rgba(244,241,232,.92);transition:background .25s ease,color .25s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.14);color:#fff}
.site-header.is-stuck .icon-btn{color:#31463F}
.site-header.is-stuck .icon-btn:hover{background:rgba(18,58,50,.07);color:var(--ink)}

.burger{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  align-items:center;justify-content:center;position:relative;
}
.burger span,.burger span::before,.burger span::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  width:20px;height:1.8px;background:#F4F1E8;border-radius:2px;transition:background .28s ease,transform .25s ease;
}
.burger span{top:50%;margin-top:-1px}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.site-header.is-stuck .burger span,
.site-header.is-stuck .burger span::before,
.site-header.is-stuck .burger span::after{background:var(--ink)}

/* 抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;z-index:200;
  background:var(--paper);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .32s ease;
  padding:22px 22px 32px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:10px}
.drawer__head .logo__mark{color:var(--ink)}
.drawer__head .logo__sub{color:var(--muted)}
.drawer__close{
  width:44px;height:44px;border-radius:var(--r-btn);display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--ink);transition:background .25s ease;
}
.drawer__close:hover{background:rgba(217,140,43,.12)}
.drawer__nav{display:flex;flex-direction:column;gap:2px;margin-bottom:14px}
.drawer__nav a{
  padding:13px 12px;border-radius:var(--r-btn);font-size:15.5px;color:#31463F;border-bottom:1px solid rgba(228,220,203,.7);
  transition:background .25s ease,color .25s ease;
}
.drawer__nav a:hover{background:rgba(217,140,43,.10);color:#8F5A15}
.drawer__nav a.is-active{color:#8F5A15;font-weight:600}
.drawer__label{font-size:12.5px;letter-spacing:.2em;color:var(--muted);margin:6px 0 4px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,38,33,.45);opacity:0;visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;z-index:190;
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- 分类 Hero ---------- */
.page-hero{
  position:relative;
  padding:150px 0 68px;
  min-height:320px;
  display:flex;align-items:flex-end;
  background-image:linear-gradient(180deg,rgba(11,38,33,.88),rgba(11,38,33,.62)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#F4F1E8;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(217,140,43,.9),rgba(217,140,43,0) 40%);
}
.page-hero::before{
  content:"";position:absolute;inset:0;opacity:.06;pointer-events:none;
  background-image:linear-gradient(90deg,rgba(244,241,232,.6) 1px,transparent 1px),linear-gradient(0deg,rgba(244,241,232,.6) 1px,transparent 1px);
  background-size:36px 36px;
}
.page-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(242,239,230,.72);margin-bottom:16px}
.crumb a{color:rgba(242,239,230,.82);transition:color .25s ease}
.crumb a:hover{color:var(--amber)}
.crumb span[aria-current]{color:rgba(242,239,230,.60)}
.page-hero h1{
  font-family:var(--serif);
  font-size:48px;font-weight:700;line-height:1.2;letter-spacing:-.01em;
  color:#fff;max-width:16em;
}
.page-hero__sub{margin-top:16px;font-size:16.5px;line-height:1.7;color:rgba(242,239,230,.82);max-width:22em}
.page-hero__tag{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(217,140,43,.16);border:1px solid rgba(217,140,43,.42);
  color:#F0C486;font-size:13px;letter-spacing:.08em;
}

/* ---------- 通用区块 ---------- */
.section{padding:var(--sec) 0}
.section--tight{padding:72px 0}
.section--paper{background:var(--paper)}
.section--white{background:#FCFAF5}
.section--ink{background:var(--ink-dark);color:#EDEAE0}
.section__head{max-width:760px;margin-bottom:48px}
.section__head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.18em;
  color:#8F5A15;text-transform:none;margin-bottom:14px;font-weight:600;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--amber);display:inline-block}
.section--ink .eyebrow{color:#E4AC63}
h2{
  font-family:var(--serif);font-size:36px;font-weight:700;line-height:1.25;letter-spacing:-.01em;color:var(--ink);
}
.section--ink h2{color:#F4F1E8}
.section__lead{margin-top:16px;font-size:16px;line-height:1.85;color:var(--muted);max-width:760px}
.section--ink .section__lead{color:rgba(237,234,224,.72)}
.rule-double{height:5px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:0 0 40px}

/* 引导段 */
.intro{padding:72px 0 0}
.intro__text{max-width:760px;font-size:17px;line-height:1.95;color:#2C3B35;margin-bottom:18px}
.intro__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--card);font-size:13.5px;color:#3B4C45;
}
.chip--amber{background:rgba(217,140,43,.12);border-color:rgba(217,140,43,.36);color:#8F5A15}
.chip--clay{background:rgba(194,84,58,.10);border-color:rgba(194,84,58,.28);color:#A34430}

/* 数据条 */
.statbar{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.statbar__item{padding:34px 28px;border-right:1px solid var(--line);position:relative}
.statbar__item:last-child{border-right:0}
.statbar__item::before{content:"";position:absolute;left:28px;top:26px;width:20px;height:2px;background:var(--amber);opacity:.8}
.statbar__num{display:block;font-family:var(--serif);font-size:42px;font-weight:700;line-height:1.1;color:var(--amber);margin-top:18px}
.statbar__num em{font-style:normal;font-size:22px;margin-left:2px}
.statbar__label{display:block;margin-top:8px;font-size:14px;color:var(--muted);line-height:1.7}

/* 案例网格 */
.case-grid{
  display:grid;grid-template-columns:repeat(12,1fr);gap:24px;
}
.case-card{
  position:relative;border-radius:var(--r-card);overflow:hidden;background:var(--ink);
  box-shadow:var(--sh-1);transition:transform .35s ease,box-shadow .35s ease;
  display:block;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.case-card img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;opacity:.92}
.case-card:hover img{transform:scale(1.04)}
.case-card__mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,38,33,.10) 30%,rgba(11,38,33,.86) 100%);
}
.case-card__body{position:absolute;left:0;right:0;bottom:0;padding:26px;color:#F4F1E8}
.case-card__body h3{font-family:var(--serif);font-size:22px;line-height:1.4;color:#fff;margin-bottom:8px}
.case-card__body p{font-size:14px;line-height:1.7;color:rgba(242,239,230,.78)}
.case-card--lead{grid-column:span 8;min-height:430px}
.case-card--side{grid-column:span 4;min-height:203px}
.case-card--side .case-card__body h3{font-size:18px}
.case-card--side .case-card__body{padding:20px}
.case-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;letter-spacing:.02em;
  background:rgba(217,140,43,.16);color:#F0C486;border:1px solid rgba(217,140,43,.34);
}
.tag--solid{background:rgba(217,140,43,.14);color:#8F5A15;border-color:rgba(217,140,43,.32)}
.case-facts{display:flex;flex-wrap:wrap;gap:22px;margin-top:14px}
.case-facts span{font-size:13px;color:rgba(242,239,230,.72)}
.case-facts strong{display:block;font-family:var(--serif);font-size:20px;color:#F0C486;line-height:1.3}

/* 口碑卡 */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.voice-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);transition:transform .35s ease,box-shadow .35s ease;
  display:flex;flex-direction:column;gap:16px;
}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.voice-card__quote{font-size:15.5px;line-height:1.9;color:#2C3B35}
.voice-card__quote::before{content:"“";font-family:var(--serif);font-size:34px;color:var(--amber);line-height:1;display:block;margin-bottom:6px}
.voice-card__who{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);font-size:13.5px;color:var(--muted)}
.voice-card__who strong{display:block;color:var(--ink);font-size:14.5px;font-weight:600}

/* 步骤 / 复盘 */
.review{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.review__item{
  background:var(--card);border:1px solid var(--line);border-top:3px solid var(--line);
  border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1);
  transition:border-color .3s ease,transform .35s ease,box-shadow .35s ease;
}
.review__item:hover{border-top-color:var(--amber);transform:translateY(-4px);box-shadow:var(--sh-2)}
.review__no{
  font-family:var(--serif);font-size:15px;font-weight:700;color:#fff;background:var(--ink);
  width:38px;height:38px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.review__item h3{font-family:var(--serif);font-size:19px;color:var(--ink);margin-bottom:10px}
.review__item p{font-size:14.5px;line-height:1.8;color:var(--muted)}
.checklist{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 28px;margin-top:36px}
.checklist li{position:relative;padding-left:26px;font-size:15px;line-height:1.8;color:#2C3B35}
.checklist li::before{
  content:"";position:absolute;left:0;top:.62em;width:12px;height:7px;
  border-left:2px solid var(--amber);border-bottom:2px solid var(--amber);transform:rotate(-45deg);
}

/* FAQ */
.faq{max-width:860px;margin:0 auto}
.faq details{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .3s ease,box-shadow .3s ease;
}
.faq details[open]{border-color:rgba(217,140,43,.46);box-shadow:var(--sh-1)}
.faq summary{
  position:relative;list-style:none;cursor:pointer;
  min-height:64px;display:flex;align-items:center;
  padding:14px 62px 14px 24px;
  font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;background:var(--amber);
  transform:scaleY(0);transform-origin:top;transition:transform .3s ease;
}
.faq details[open] summary::before{transform:scaleY(1)}
.faq summary::after{
  content:"";position:absolute;right:24px;top:50%;width:13px;height:1.8px;background:var(--ink);
  transform:translateY(-50%);transition:transform .3s ease,background .3s ease;
}
.faq summary .plus{
  position:absolute;right:24px;top:50%;width:1.8px;height:13px;background:var(--ink);
  transform:translateY(-50%);transition:transform .3s ease,background .3s ease;
}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg);background:var(--amber)}
.faq details[open] summary .plus{transform:translateY(-50%) rotate(45deg);background:var(--amber)}
.faq details[open] summary{color:#8F5A15}
.faq__answer{padding:0 62px 22px 24px;font-size:15px;line-height:1.9;color:var(--muted);animation:fadeIn .3s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}

/* 相关分类 */
.relcat{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.relcat a{
  display:inline-flex;align-items:center;height:42px;padding:0 22px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--card);font-size:14.5px;color:#31463F;
  transition:transform .25s ease,border-color .25s ease,color .25s ease,box-shadow .25s ease;
}
.relcat a:hover{transform:translateY(-2px);border-color:var(--amber);color:#8F5A15;box-shadow:var(--sh-1)}
.relcat a.is-current{background:var(--ink);border-color:var(--ink);color:#F4F1E8}

/* CTA 区 */
.cta-block{
  background:var(--ink-dark);color:#EDEAE0;border-radius:var(--r-card);
  padding:56px;position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;
  box-shadow:var(--sh-3);
}
.cta-block::after{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,rgba(217,140,43,.9),rgba(217,140,43,0) 60%);
}
.cta-block__title{font-family:var(--serif);font-size:30px;line-height:1.35;color:#fff;margin-bottom:14px}
.cta-block__text{font-size:15.5px;line-height:1.85;color:rgba(237,234,224,.76);max-width:32em}
.cta-block__actions{display:flex;flex-direction:column;gap:14px}
.cta-block__note{font-size:13.5px;color:rgba(237,234,224,.60)}

/* 浮动 CTA */
.float-cta{
  position:fixed;right:24px;bottom:32px;z-index:110;
  display:inline-flex;align-items:center;gap:12px;
  padding:14px 20px 14px 18px;border-radius:var(--r-pill);
  background:var(--ink);color:#F4F1E8;border-left:3px solid var(--amber);
  box-shadow:var(--sh-2);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .35s ease,transform .35s ease,background .25s ease;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{background:#17493E}
.float-cta__txt{display:flex;flex-direction:column;line-height:1.35}
.float-cta__txt strong{font-size:14.5px}
.float-cta__txt em{font-style:normal;font-size:12.5px;color:rgba(242,239,230,.66)}
.float-bar{display:none}

/* 页脚 */
.site-footer{background:var(--ink-dark);color:rgba(237,234,224,.78);padding:72px 0 0;position:relative}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,rgba(217,140,43,.9),rgba(217,140,43,0) 55%);
}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.footer__brand p{margin-top:16px;font-size:14.5px;line-height:1.85;max-width:26em;color:rgba(237,234,224,.66)}
.footer__brand .logo__mark{color:#F4F1E8}
.footer__title{font-size:14px;letter-spacing:.16em;color:var(--amber);margin-bottom:18px;font-weight:600}
.footer__links li{margin-bottom:10px;font-size:14.5px}
.footer__links a{color:rgba(237,234,224,.78);transition:color .25s ease}
.footer__links a:hover{color:var(--amber)}
.footer__links .num{font-variant-numeric:tabular-nums;letter-spacing:.02em}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(237,234,224,.55);
}

/* 响应式 */
@media (max-width:1023px){
  :root{--sec:80px}
  .site-header__inner{gap:18px}
  .nav{display:none}
  .burger{display:inline-flex}
  .page-hero{padding:132px 0 56px;min-height:290px}
  .page-hero h1{font-size:36px}
  h2{font-size:28px}
  .statbar{grid-template-columns:repeat(2,1fr)}
  .statbar__item:nth-child(2n){border-right:0}
  .statbar__item:nth-child(1),.statbar__item:nth-child(2){border-bottom:1px solid var(--line)}
  .case-card--lead{grid-column:span 12;min-height:340px}
  .case-card--side{grid-column:span 6;min-height:220px}
  .voice-grid{grid-template-columns:1fr 1fr}
  .review{grid-template-columns:1fr 1fr}
  .cta-block{grid-template-columns:1fr;padding:40px 32px;gap:28px}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sec:60px}
  .container{padding:0 18px}
  body{font-size:15.5px;padding-bottom:76px}
  .page-hero{padding:110px 0 44px;min-height:240px}
  .page-hero h1{font-size:32px}
  .page-hero__sub{font-size:15px}
  .statbar{grid-template-columns:1fr}
  .statbar__item{border-right:0;border-bottom:1px solid var(--line);padding:26px 22px}
  .statbar__item:last-child{border-bottom:0}
  .case-card--side{grid-column:span 12;min-height:200px}
  .voice-grid{grid-template-columns:1fr}
  .review{grid-template-columns:1fr}
  .checklist{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .float-cta{display:none}
  .float-bar{
    display:grid;grid-template-columns:1fr 1fr;gap:10px;
    position:fixed;left:0;right:0;bottom:0;z-index:115;
    height:60px;padding:8px 14px;background:rgba(11,38,33,.96);
    border-top:1px solid rgba(217,140,43,.5);
    -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  }
  .float-bar .btn{height:44px;width:100%;padding:0 10px;font-size:14px}
  .faq summary{padding:14px 54px 14px 18px;font-size:15.5px}
  .faq__answer{padding:0 54px 20px 18px}
  .cta-block{padding:32px 22px}
  .cta-block__title{font-size:24px}
}
@media (max-width:480px){
  .page-hero h1{font-size:28px}
  h2{font-size:24px}
  .section__head{margin-bottom:32px}
  .case-card__body{padding:18px}
  .voice-card{padding:20px}
  .review__item{padding:20px 18px}
}

/* roulang page: category5 */
/* ============ 设计令牌 ============ */
:root{
  --ink:#123A32;
  --ink-hover:#0F312A;
  --ink-900:#0B2621;
  --amber:#D98C2B;
  --amber-soft:rgba(217,140,43,.12);
  --clay:#C2543A;
  --paper:#F7F3EA;
  --card:#FFFFFF;
  --line:#E4DCCB;
  --text:#1B2420;
  --muted:#5C6B64;
  --r-card:14px;
  --r-img:10px;
  --r-btn:8px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(11,38,33,.06);
  --sh-2:0 10px 30px rgba(11,38,33,.10);
  --sh-3:0 24px 60px rgba(11,38,33,.16);
  --font-head:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --sp-section:104px;
  --hd:76px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .25s ease}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--ink);margin:0;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.num,.tabular{font-variant-numeric:tabular-nums}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--amber);
  outline-offset:2px;
  border-radius:6px;
}

/* ============ 容器与板块 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{max-width:1240px}}
.section{padding:var(--sp-section) 0}
.section--tight{padding:calc(var(--sp-section) * .72) 0}
.section--paper{background:var(--paper)}
.section--white{background:#FDFBF6}

.sec-head{max-width:760px;margin-bottom:44px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.sec-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:5px;
  background:var(--ink);color:#F2EFE6;
  font-family:var(--font-head);font-size:15px;font-weight:700;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.sec-head h2{font-size:36px;font-weight:700;line-height:1.25;margin-bottom:12px}
.sec-sub{font-size:15px;color:var(--muted);line-height:1.8}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 26px;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn--primary{background:var(--ink);color:#F2EFE6;box-shadow:var(--sh-1)}
.btn--primary:hover{background:var(--ink-hover);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn--amber{background:var(--amber);color:#20180B;box-shadow:0 2px 8px rgba(217,140,43,.24)}
.btn--amber:hover{background:#E59A3C;transform:translateY(-2px);box-shadow:0 10px 30px rgba(217,140,43,.28)}
.btn--outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn--outline:hover{border-color:var(--amber);color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn--sm{padding:11px 18px;font-size:14px}
.btn--block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--ink);font-size:15px;font-weight:600;
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:color .25s ease,border-color .25s ease;
}
.link-more:hover{color:var(--amber);border-bottom-color:var(--amber)}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(247,243,234,.94);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s ease,background .28s ease;
}
.site-header.is-stuck{box-shadow:0 8px 30px rgba(11,38,33,.12)}
.site-header__inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:var(--hd);display:flex;align-items:center;gap:28px;
  transition:height .28s ease;
}
@media (min-width:1280px){.site-header__inner{max-width:1240px}}
.site-header.is-stuck .site-header__inner{height:64px}

.logo{display:inline-flex;flex-direction:column;line-height:1.15;flex-shrink:0}
.logo__mark{font-family:var(--font-head);font-size:20px;font-weight:700;color:var(--ink);letter-spacing:.02em}
.logo__sub{font-size:10.5px;color:var(--muted);letter-spacing:.2em;margin-top:2px}

.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav__link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:9px 14px;border-radius:8px;border:0;background:transparent;
  font-size:15px;color:var(--ink);cursor:pointer;
  font-family:var(--font-body);transition:color .25s ease,background .25s ease;
}
.nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--amber);transform:scaleX(0);transform-origin:left;
  transition:transform .3s ease;border-radius:2px;
}
.nav__link:hover{background:rgba(18,58,50,.05)}
.nav__link:hover::after{transform:scaleX(1)}
.nav__link.is-active::after{transform:scaleX(1)}
.nav__link.is-active{color:var(--ink);font-weight:600}
.nav__drop{position:relative}
.nav__menu{
  position:absolute;top:calc(100% + 14px);left:50%;
  transform:translateX(-50%) translateY(8px);
  min-width:224px;padding:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.nav__drop:hover .nav__menu,.nav__drop.is-open .nav__menu{
  opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);
}
.nav__menu a{
  display:block;padding:10px 14px;border-radius:8px;
  font-size:14.5px;color:var(--ink);transition:background .22s ease,color .22s ease;
}
.nav__menu a:hover{background:var(--amber-soft);color:#8A5410}

.nav__actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.icon-btn{
  width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);border-radius:8px;
  color:var(--ink);cursor:pointer;transition:border-color .25s ease,background .25s ease,color .25s ease;
}
.icon-btn:hover{border-color:var(--amber);color:var(--amber);background:#fff}
.burger{
  display:none;width:44px;height:44px;position:relative;
  background:#fff;border:1px solid var(--line);border-radius:8px;cursor:pointer;
}
.burger span{position:absolute;left:12px;right:12px;top:21px;height:2px;background:var(--ink);border-radius:2px}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;right:0;height:2px;background:var(--ink);border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:200;
  background:rgba(11,38,33,.45);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer__panel{
  position:absolute;top:0;right:0;height:100%;
  width:84vw;max-width:360px;background:var(--paper);
  padding:22px 22px 32px;overflow-y:auto;
  transform:translateX(100%);transition:transform .32s ease;
  display:flex;flex-direction:column;gap:22px;
}
.drawer.is-open .drawer__panel{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer__close{
  width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:8px;
  color:var(--ink);font-size:20px;line-height:1;cursor:pointer;
}
.drawer__nav{display:grid;gap:4px}
.drawer__nav a{padding:13px 14px;border-radius:10px;font-size:15.5px;color:var(--ink);border:1px solid transparent}
.drawer__nav a:hover{background:#fff;border-color:var(--line)}
.drawer__nav a.is-active{background:var(--amber-soft);color:#8A5410;font-weight:600}
.drawer__label{font-size:12.5px;letter-spacing:.16em;color:var(--muted);padding:0 14px}
body.drawer-open{overflow:hidden}

/* ============ 分类 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  min-height:320px;display:flex;align-items:flex-end;
  padding:70px 0 52px;
  color:#fff;
  background-image:linear-gradient(180deg,rgba(11,38,33,.90),rgba(11,38,33,.60)),
                   url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(217,140,43,.9),rgba(217,140,43,0) 60%);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:rgba(242,239,230,.7);margin-bottom:18px;
}
.breadcrumb a{color:rgba(242,239,230,.82)}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.breadcrumb span[aria-current]{color:#fff}
.page-hero h1{
  font-size:44px;font-weight:700;line-height:1.22;
  color:#fff;max-width:820px;letter-spacing:-.01em;
}
.page-hero h1 em{font-style:normal;color:var(--amber)}
.page-hero__sub{
  margin-top:16px;font-size:16px;color:rgba(242,239,230,.82);
  max-width:640px;line-height:1.8;
}

/* ============ 引导段 ============ */
.lead{padding:64px 0 8px}
.lead__inner{max-width:760px}
.lead p{font-size:16.5px;line-height:1.95;color:#2C3833}
.lead p + p{margin-top:14px}

/* ============ 人物卡 ============ */
.person-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.person{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;text-align:center;
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.person:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DAD0B9}
.person__pic{
  width:104px;height:104px;border-radius:50%;object-fit:cover;
  margin:0 auto 18px;border:3px solid var(--paper);
  box-shadow:0 0 0 1px var(--line);
}
.person h3{font-size:19px;font-weight:700;margin-bottom:8px}
.person__role{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--amber-soft);color:#8A5410;
  font-size:12.5px;letter-spacing:.06em;margin-bottom:14px;
}
.person p{font-size:14px;color:var(--muted);line-height:1.8;text-align:left}

/* ============ 四步流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.flow__item{
  position:relative;padding:30px 22px 26px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.flow__item::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;border-radius:var(--r-card) var(--r-card) 0 0;
  background:var(--line);transition:background .3s ease;
}
.flow__item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.flow__item:hover::before{background:var(--amber)}
.flow__dot{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;
  background:var(--ink);color:#F2EFE6;
  font-family:var(--font-head);font-size:16px;font-weight:700;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.flow__item h3{font-size:19px;font-weight:700;margin-bottom:10px}
.flow__item p{font-size:14px;color:var(--muted);line-height:1.8}
.flow__meta{margin-top:14px;font-size:13px;color:var(--clay);font-variant-numeric:tabular-nums}

/* ============ 左右交错图文 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split--reverse .split__media{order:2}
.split__media{position:relative}
.split__media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-img);box-shadow:var(--sh-2);
  transition:transform .45s ease;
}
.split__media:hover img{transform:translateY(-6px)}
.split__media::after{
  content:"";position:absolute;left:-14px;bottom:-14px;width:120px;height:120px;
  border-left:1px solid var(--amber);border-bottom:1px solid var(--amber);
  border-radius:0 0 0 12px;pointer-events:none;
}
.split h2{font-size:32px;font-weight:700;line-height:1.3;margin-bottom:16px}
.split p{font-size:15.5px;color:var(--muted);line-height:1.9}
.check-list{display:grid;gap:14px;margin-top:24px}
.check-list li{
  position:relative;padding-left:26px;font-size:15px;color:#2C3833;line-height:1.75;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:12px;
  border-left:2px solid var(--amber);border-bottom:2px solid var(--amber);
  transform:rotate(-45deg);border-radius:1px;
}
.check-list li strong{color:var(--ink);font-weight:600}

/* ============ 数据条 ============ */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.metrics__item{
  padding:34px 22px;text-align:center;position:relative;
}
.metrics__item + .metrics__item::before{
  content:"";position:absolute;left:0;top:26px;bottom:26px;width:1px;background:var(--line);
}
.metrics__num{
  font-family:var(--font-head);font-size:42px;font-weight:700;color:var(--amber);
  line-height:1;font-variant-numeric:tabular-nums;
}
.metrics__unit{font-size:15px;color:var(--ink);margin-left:6px;font-weight:600}
.metrics__item p{font-size:14px;color:var(--muted);margin-top:10px}

/* ============ FAQ ============ */
.faq{max-width:860px;margin:0 auto}
.faq__item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;position:relative;
  transition:border-color .3s ease,box-shadow .3s ease;
}
.faq__item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--amber);border-radius:0 3px 3px 0;
  transform:scaleY(0);transform-origin:center;transition:transform .3s ease;
}
.faq__item.is-open{border-color:#DAD0B9;box-shadow:var(--sh-1)}
.faq__item.is-open::before{transform:scaleY(1)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:16px 22px;background:transparent;border:0;cursor:pointer;
  text-align:left;font-size:16px;font-weight:600;color:var(--ink);font-family:var(--font-body);
}
.faq__icon{
  position:relative;flex-shrink:0;width:20px;height:20px;
  transition:transform .3s ease;
}
.faq__icon::before,.faq__icon::after{
  content:"";position:absolute;background:var(--amber);border-radius:2px;
}
.faq__icon::before{left:0;right:0;top:9px;height:2px}
.faq__icon::after{top:0;bottom:0;left:9px;width:2px}
.faq__item.is-open .faq__icon{transform:rotate(45deg)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq__a-inner{padding:0 22px 22px 22px}
.faq__a-inner p{font-size:15px;line-height:1.9;color:var(--muted)}

/* ============ 相关分类胶囊 ============ */
.related{padding:0 0 var(--sp-section)}
.related__box{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:36px 32px;text-align:center;
}
.related__box h2{font-size:24px;font-weight:700;margin-bottom:10px}
.related__box p{font-size:14.5px;color:var(--muted);margin-bottom:24px}
.pills{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#FDFBF6;
  font-size:14.5px;color:var(--ink);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.pill:hover{transform:translateY(-2px);border-color:var(--amber);box-shadow:var(--sh-1)}
.pill.is-current{background:var(--ink);border-color:var(--ink);color:#F2EFE6;font-weight:600}
.pill.is-current:hover{transform:none;box-shadow:var(--sh-2)}

/* ============ CTA 区 ============ */
.cta-band{
  position:relative;color:#F2EFE6;padding:84px 0;
  background-image:linear-gradient(180deg,rgba(11,38,33,.94),rgba(11,38,33,.90)),
                   url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.cta-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(217,140,43,.9),transparent);
}
.cta-band__inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-band__title{font-family:var(--font-head);font-size:32px;font-weight:700;color:#fff;line-height:1.3;margin-bottom:12px}
.cta-band__desc{font-size:15px;color:rgba(242,239,230,.78);max-width:560px;line-height:1.85}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:var(--ink-900);
  color:rgba(242,239,230,.78);padding-top:72px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(217,140,43,.85),transparent);
}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px}
.footer__brand p{font-size:14px;line-height:1.85;color:rgba(242,239,230,.66);margin-top:16px;max-width:320px}
.site-footer .logo__mark{color:#F2EFE6}
.footer__title{
  color:var(--amber);font-size:14px;letter-spacing:.14em;
  margin-bottom:18px;font-family:var(--font-body);font-weight:600;
}
.footer__links{display:grid;gap:12px;font-size:14px}
.footer__links a{color:rgba(242,239,230,.78)}
.footer__links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer__links span{color:rgba(242,239,230,.7)}
.footer__bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 30px;font-size:13px;color:rgba(242,239,230,.55);
}

/* ============ 移动吸底条 ============ */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:110;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(247,243,234,.97);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  grid-template-columns:1fr 1fr;gap:10px;
}
.mobile-bar .btn{padding:13px 10px}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .page-hero h1{font-size:40px}
}
@media (max-width:1023px){
  :root{--sp-section:80px}
  .site-header__inner{padding:0 20px;gap:18px}
  .nav__link{padding:9px 10px;font-size:14.5px}
  .sec-head h2{font-size:30px}
  .page-hero{min-height:280px;padding:56px 0 42px}
  .page-hero h1{font-size:34px}
  .person-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .split--reverse .split__media{order:0}
  .split__media::after{display:none}
  .split h2{font-size:27px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .metrics__item:nth-child(3)::before{display:none}
  .metrics__item:nth-child(3),.metrics__item:nth-child(4){border-top:1px solid var(--line)}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band__title{font-size:27px}
}
@media (max-width:767px){
  :root{--sp-section:60px;--hd:64px}
  body{font-size:15.5px;padding-bottom:76px}
  .container{padding:0 18px}
  .nav,.nav__actions .btn,.icon-btn{display:none}
  .burger{display:block}
  .site-header__inner{gap:12px}
  .section{padding:var(--sp-section) 0}
  .sec-head{margin-bottom:32px}
  .sec-head h2{font-size:26px}
  .sec-no{width:34px;height:34px;font-size:14px}
  .page-hero{min-height:240px;padding:42px 0 34px}
  .page-hero h1{font-size:28px}
  .page-hero__sub{font-size:15px}
  .breadcrumb{font-size:12.5px;margin-bottom:12px}
  .lead{padding:44px 0 0}
  .lead p{font-size:15.5px}
  .person-grid{grid-template-columns:1fr;gap:18px}
  .person{padding:24px 20px;text-align:left}
  .person__pic{width:84px;height:84px;margin:0 0 14px}
  .person p{text-align:left}
  .flow{grid-template-columns:1fr;gap:16px}
  .flow__item{padding:24px 20px}
  .split h2{font-size:24px}
  .split__media img{aspect-ratio:16/10}
  .metrics{grid-template-columns:1fr}
  .metrics__item + .metrics__item::before{display:none}
  .metrics__item{padding:26px 18px;border-top:1px solid var(--line)}
  .metrics__num{font-size:34px}
  .faq__q{font-size:15.5px;padding:14px 18px;min-height:58px}
  .faq__a-inner{padding:0 18px 18px 18px}
  .related__box{padding:28px 20px}
  .pills{gap:10px}
  .pill{padding:10px 16px;font-size:14px}
  .cta-band{padding:60px 0}
  .cta-band__title{font-size:23px}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{flex:1 1 100%}
  .footer__grid{grid-template-columns:1fr;gap:30px;padding-bottom:40px}
  .footer__bottom{flex-direction:column;gap:8px}
  .mobile-bar{display:grid}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .page-hero h1{font-size:25px}
  .sec-head h2{font-size:23px}
  .metrics__num{font-size:30px}
  .person,.flow__item{padding:20px 18px}
}