/* roulang page: index */
:root{
  --brand-500:#FF6B4A;
  --brand-600:#F0552F;
  --brand-300:#FFB020;
  --accent-500:#12B39A;
  --accent-600:#0E8F7C;
  --bg:#FFF8F3;
  --bg-2:#F3F7F5;
  --card:#FFFFFF;
  --dark-1:#0F2B25;
  --dark-2:#0B201C;
  --text:#16241F;
  --text-2:#3C4F49;
  --text-3:#6B7C76;
  --line:#E7EDEA;
  --danger:#E5484D;
  --brand-grad:linear-gradient(120deg,#FF6B4A 0%,#FF9A3C 55%,#FFC93C 100%);
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(22,36,31,.05);
  --sh-2:0 10px 30px rgba(22,36,31,.08);
  --sh-brand:0 14px 34px rgba(255,107,74,.22);
  --nav-h:128px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:var(--nav-h)}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:8px}
::selection{background:rgba(255,107,74,.2)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--alt{background:var(--bg-2)}
.brand-text-grad{
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn svg{transition:transform .22s ease}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:var(--sh-brand);background-size:140% 100%;background-position:0 0}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(255,107,74,.3);background-position:8% 0}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,107,74,.28)}
.btn-ghost{background:#fff;color:var(--brand-600);border-color:rgba(255,107,74,.4);box-shadow:var(--sh-1)}
.btn-ghost:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-500)}
.btn-ghost:hover svg{transform:translateX(4px)}
.btn-on-brand{background:#fff;color:var(--brand-600);box-shadow:0 12px 28px rgba(120,40,20,.18)}
.btn-on-brand:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(120,40,20,.24)}
.btn-on-brand:active{transform:translateY(0)}
.btn-text{color:var(--brand-600);font-weight:600;display:inline-flex;align-items:center;gap:6px;font-size:15px;padding:0}
.btn-text svg{transition:transform .22s ease}
.btn-text:hover svg{transform:translateX(4px)}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}

/* ============ 头部与导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,248,243,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-top-inner{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--brand-grad);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;
  letter-spacing:-.03em;box-shadow:var(--sh-brand);
}
.brand-name{font-size:19px;font-weight:800;letter-spacing:-.01em}
.nav-search{
  flex:1;max-width:420px;display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:5px 5px 5px 16px;box-shadow:var(--sh-1);transition:border-color .2s,box-shadow .2s;
}
.nav-search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,107,74,.14)}
.nav-search svg{color:var(--text-3);flex:0 0 auto}
.nav-search input{flex:1;min-width:0;border:0;outline:none;background:transparent;font-size:14.5px}
.nav-search input::placeholder{color:#9AA9A4}
.nav-search button{
  border:0;border-radius:var(--r-pill);background:var(--brand-grad);color:#fff;
  font-size:14px;font-weight:600;padding:9px 20px;cursor:pointer;transition:transform .2s,box-shadow .2s;
}
.nav-search button:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(255,107,74,.3)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:20px}
.nav-actions .btn{padding:11px 24px;font-size:14.5px}
.nav-search-toggle,.nav-burger{
  display:none;width:42px;height:42px;border-radius:12px;background:#fff;
  border:1px solid var(--line);color:var(--text-2);cursor:pointer;place-items:center;
}
.nav-search-toggle:hover,.nav-burger:hover{color:var(--brand-600);border-color:rgba(255,107,74,.4)}
.nav-tabs{border-top:1px solid var(--line);background:rgba(255,255,255,.6)}
.tabs-wrap{
  display:flex;gap:8px;overflow-x:auto;padding:9px 0;
  scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none;
}
.tabs-wrap::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;scroll-snap-align:start;
  padding:9px 20px;border-radius:var(--r-pill);font-size:14.5px;font-weight:500;
  color:var(--text-2);border:1px solid transparent;
  transition:background .2s,color .2s,border-color .2s,box-shadow .2s,transform .2s;
}
.tab:hover{background:#fff;color:var(--brand-600);border-color:var(--line);transform:translateY(-1px)}
.tab.active{background:var(--brand-grad);color:#fff;font-weight:600;box-shadow:var(--sh-brand)}
.tab.active:hover{color:#fff}
.mobile-search{
  display:none;padding:12px 0 16px;border-top:1px solid var(--line);
}
.mobile-search.is-open{display:block}
.mobile-search form{
  display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);padding:5px 5px 5px 16px;box-shadow:var(--sh-1);
}
.mobile-search input{flex:1;min-width:0;border:0;outline:none;background:transparent;font-size:15px}
.mobile-search button{
  border:0;border-radius:var(--r-pill);background:var(--brand-grad);color:#fff;
  font-size:14px;font-weight:600;padding:9px 20px;cursor:pointer;
}
.drawer{
  display:none;border-top:1px solid var(--line);background:var(--bg);
  padding:16px 0 22px;
}
.drawer.is-open{display:block}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;border-bottom:1px solid var(--line);
  font-size:16px;font-weight:600;color:var(--text-2);
}
.drawer-link.active{color:var(--brand-600)}
.drawer-link svg{color:var(--text-3)}
.drawer-cta{margin-top:18px;display:flex;gap:12px;flex-wrap:wrap}
.drawer-cta .btn{flex:1;min-width:140px}

/* ============ Hero ============ */
.hero{position:relative;padding:64px 0 40px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:-140px -10% auto -10%;height:600px;pointer-events:none;
  background:
    radial-gradient(560px 320px at 12% 22%, rgba(255,107,74,.16), transparent 70%),
    radial-gradient(500px 300px at 88% 6%, rgba(18,179,154,.14), transparent 70%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:5fr 7fr;gap:52px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,107,74,.1);color:var(--brand-600);
  font-size:13.5px;font-weight:600;margin-bottom:22px;
}
.hero-eyebrow span.dot{width:6px;height:6px;border-radius:50%;background:var(--brand-grad)}
.hero h1{font-size:clamp(30px,4.6vw,48px);line-height:1.2;font-weight:700}
.hero-sub{margin-top:20px;font-size:17px;color:var(--text-2);max-width:520px}
.hero-cta{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{margin-top:34px;display:flex;flex-wrap:wrap;gap:12px}
.stat-pill{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:10px 20px;border-radius:var(--r-pill);
  background:linear-gradient(120deg,rgba(255,107,74,.12),rgba(255,201,60,.14));
  border:1px solid rgba(255,107,74,.2);
}
.stat-pill strong{
  font-size:21px;font-weight:800;line-height:1;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-pill span{font-size:13px;color:var(--text-2)}
.hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:16/10;background:#fff;border:1px solid var(--line);box-shadow:var(--sh-2);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media .glow{
  position:absolute;width:220px;height:220px;border-radius:50%;filter:blur(48px);pointer-events:none;
}
.hero-media .glow-a{right:-60px;top:-70px;background:rgba(255,176,32,.55)}
.hero-media .glow-b{left:-70px;bottom:-80px;background:rgba(18,179,154,.42)}
.trust-bar{
  position:relative;margin-top:48px;display:flex;gap:12px;overflow-x:auto;
  padding-bottom:8px;scrollbar-width:none;-ms-overflow-style:none;
  scroll-snap-type:x proximity;
}
.trust-bar::-webkit-scrollbar{display:none}
.trust-pill{
  flex:0 0 auto;scroll-snap-align:start;
  padding:10px 20px;border-radius:var(--r-pill);background:#fff;
  border:1px solid var(--line);font-size:13.5px;color:var(--text-2);box-shadow:var(--sh-1);
}

/* ============ 通用板块标题 ============ */
.section-head{max-width:740px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .section-title{padding-left:0}
.section-head.center .section-title::before{display:none}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.1em;
  color:var(--brand-600);margin-bottom:12px;
}
.section-title{
  position:relative;padding-left:18px;
  font-size:clamp(24px,3.2vw,36px);line-height:1.3;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:6px;
  border-radius:var(--r-pill);background:var(--brand-grad);
}
.section-lead{margin-top:16px;color:var(--text-2);font-size:16px;max-width:660px}
.section-head.center .section-lead{margin-left:auto;margin-right:auto}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.head-row .section-head{margin-bottom:0}

/* ============ 痛点 ============ */
.pain-layout{display:grid;grid-template-columns:290px 1fr;gap:52px;align-items:start}
.pain-aside{position:sticky;top:calc(var(--nav-h) + 28px)}
.pain-aside h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;padding-left:18px;position:relative}
.pain-aside h2::before{
  content:"";position:absolute;left:0;top:.14em;bottom:.14em;width:6px;
  border-radius:var(--r-pill);background:var(--brand-grad);
}
.pain-aside p{margin-top:18px;font-size:15px;color:var(--text-3)}
.pain-item{
  display:grid;grid-template-columns:48px 1fr;gap:18px;align-items:start;
  padding:24px 26px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);margin-bottom:16px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.pain-item:last-child{margin-bottom:0}
.pain-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.pain-icon{
  width:48px;height:48px;border-radius:var(--r-sm);display:grid;place-items:center;
  background:rgba(255,107,74,.1);color:var(--brand-600);
}
.pain-item h3{font-size:17.5px;font-weight:600;margin-bottom:6px}
.pain-item p{font-size:14.5px;color:var(--text-3)}

/* ============ 解决方案 ============ */
.sol-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:76px}
.sol-row:last-child{margin-bottom:0}
.sol-row:nth-child(even) .sol-media{order:-1}
.sol-text h3{font-size:clamp(20px,2.4vw,26px);line-height:1.4}
.sol-text .sol-index{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.16em;
  color:var(--brand-600);margin-bottom:12px;
}
.sol-text p{margin-top:14px;color:var(--text-2)}
.ticks{margin-top:22px;display:grid;gap:12px}
.ticks li{display:grid;grid-template-columns:22px 1fr;gap:12px;align-items:start;font-size:15px;color:var(--text-2)}
.ticks .tick{
  width:22px;height:22px;border-radius:50%;display:grid;place-items:center;
  background:rgba(18,179,154,.14);color:var(--accent-600);margin-top:3px;
}
.sol-media{
  border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/10;
  background:var(--bg-2);border:1px solid var(--line);box-shadow:var(--sh-2);
}
.sol-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.sol-row:hover .sol-media img{transform:scale(1.03)}

/* ============ 成果带 ============ */
.results{
  position:relative;overflow:hidden;color:#E8F2EE;
  background:linear-gradient(160deg,var(--dark-1),var(--dark-2));
  padding:88px 0;
}
.results::after{
  content:"";position:absolute;right:-120px;top:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,74,.34),transparent 66%);pointer-events:none;
}
.results::before{
  content:"";position:absolute;left:-140px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,179,154,.3),transparent 68%);pointer-events:none;
}
.results .container{position:relative;z-index:2}
.results h2{font-size:clamp(24px,3.2vw,36px);color:#fff}
.results .results-lead{margin-top:16px;color:#A9C3BB;max-width:660px;font-size:16px}
.result-grid{margin-top:52px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.result-item{
  padding:28px 24px;border-radius:var(--r-md);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.11);
  transition:transform .25s ease,background .25s ease,border-color .25s ease;
}
.result-item:hover{transform:translateY(-4px);background:rgba(255,255,255,.08);border-color:rgba(255,107,74,.4)}
.result-num{
  font-size:clamp(32px,5vw,52px);line-height:1;font-weight:800;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.result-label{margin-top:12px;font-size:15px;color:#D6E5E0;font-weight:600}
.result-desc{margin-top:6px;font-size:13.5px;color:#8FAAA2}

/* ============ 声音 ============ */
.voice-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  margin:0 -24px;padding:8px 24px 26px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.voice-track::-webkit-scrollbar{display:none}
.voice-card{
  flex:0 0 340px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.voice-top{display:flex;align-items:center;gap:14px}
.voice-avatar{
  width:52px;height:52px;border-radius:50%;overflow:hidden;flex:0 0 auto;
  border:2px solid rgba(255,107,74,.28);background:var(--bg-2);
}
.voice-avatar img{width:100%;height:100%;object-fit:cover}
.voice-name{font-size:15.5px;font-weight:600}
.voice-role{font-size:13px;color:var(--text-3)}
.stars{display:flex;gap:3px;margin:16px 0 12px;color:var(--brand-300)}
.voice-quote{font-size:15px;color:var(--text-2);line-height:1.75}

/* ============ 内容列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,107,74,.32)}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.badge-cat{
  align-self:flex-start;padding:4px 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;color:var(--accent-600);background:rgba(18,179,154,.12);
}
.badge-hot{
  align-self:flex-start;padding:4px 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;color:#fff;background:var(--brand-grad);
}
.post-title{
  font-size:17px;font-weight:600;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-summary{
  font-size:14px;color:var(--text-3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;padding-top:10px;display:flex;align-items:center;justify-content:space-between;
  gap:12px;font-size:13px;color:var(--text-3);
}
.read-more{display:inline-flex;align-items:center;gap:5px;color:var(--brand-600);font-weight:600}
.post-card:hover .read-more svg{transform:translateX(4px)}
.read-more svg{transition:transform .25s ease}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;border:1.5px dashed #D3DEDA;border-radius:var(--r-md);
  background:rgba(255,255,255,.6);text-align:center;
}
.empty-state .empty-icon{
  width:60px;height:60px;border-radius:50%;display:grid;place-items:center;
  background:rgba(18,179,154,.12);color:var(--accent-600);
}
.empty-state p{color:var(--text-3);font-size:15px}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding:24px 4px;font-size:17px;font-weight:600;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-600)}
.faq-item[open] summary{color:var(--brand-600)}
.faq-sign{
  position:relative;width:28px;height:28px;flex:0 0 auto;border-radius:50%;
  background:rgba(255,107,74,.1);transition:background .25s ease;
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;left:50%;top:50%;width:12px;height:2px;border-radius:2px;
  background:var(--brand-600);transition:transform .28s ease,background .25s ease;
}
.faq-sign::before{transform:translate(-50%,-50%)}
.faq-sign::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq-item[open] .faq-sign{background:var(--brand-grad)}
.faq-item[open] .faq-sign::before{background:#fff}
.faq-item[open] .faq-sign::after{background:#fff;transform:translate(-50%,-50%) rotate(90deg) scale(0)}
.faq-body{
  padding:0 4px 26px;max-width:800px;font-size:15.5px;color:var(--text-2);line-height:1.75;
}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--brand-grad);color:#fff;
  padding:52px;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  box-shadow:0 26px 60px rgba(255,107,74,.26);
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-110px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.16);pointer-events:none;
}
.cta-band h2{font-size:clamp(24px,3vw,34px);color:#fff;line-height:1.3}
.cta-band p{margin-top:16px;font-size:16px;color:rgba(255,255,255,.92);max-width:420px}
.cta-band .cta-note{margin-top:22px;font-size:13.5px;color:rgba(255,255,255,.82)}
.cta-form{position:relative;z-index:2;display:grid;gap:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:8px;color:#fff}
.field input,.field textarea{
  width:100%;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.45);
  background:rgba(255,255,255,.95);padding:0 16px;height:48px;font-size:15px;color:var(--text);
  outline:none;transition:box-shadow .2s ease,border-color .2s ease;
}
.field textarea{height:auto;min-height:92px;padding:12px 16px;resize:vertical;line-height:1.6}
.field input::placeholder,.field textarea::placeholder{color:#9AA9A4}
.field input:focus,.field textarea:focus{border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.5)}
.form-tip{font-size:13px;color:rgba(255,255,255,.85)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;padding:72px 0 0;color:#C6D8D1;
  background:linear-gradient(160deg,var(--dark-1),var(--dark-2));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand .brand-name{color:#fff}
.footer-intro{font-size:14.5px;color:#9FB6AF;line-height:1.8;max-width:340px}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-links li{margin-bottom:11px}
.footer-links a{
  font-size:14.5px;color:#9FB6AF;display:inline-block;
  transition:color .2s ease,transform .2s ease;
}
.footer-links a:hover{color:var(--brand-500);transform:translateX(2px)}
.footer-contact li{font-size:14.5px;color:#9FB6AF;margin-bottom:11px}
.footer-contact li strong{color:#DCEAE5;font-weight:600}
.qr-box{
  width:108px;height:108px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.06);border:1px dashed rgba(255,255,255,.26);
  display:grid;place-items:center;text-align:center;font-size:12.5px;color:#8FA69F;
  padding:8px;line-height:1.5;
}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;justify-content:space-between;align-items:center;
  gap:16px;flex-wrap:wrap;font-size:13px;color:#83988F;
}
.footer-bottom a{color:#83988F}
.footer-bottom a:hover{color:var(--brand-500)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  :root{--nav-h:120px}
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .hero{padding:48px 0 32px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-sub{max-width:none}
  .pain-layout{grid-template-columns:1fr;gap:32px}
  .pain-aside{position:static}
  .sol-row{grid-template-columns:1fr;gap:28px;margin-bottom:56px}
  .sol-row:nth-child(even) .sol-media{order:0}
  .result-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;gap:32px;padding:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .results{padding:72px 0}
}

@media (max-width:900px){
  :root{--nav-h:0px}
  .site-header{position:static}
  .nav-actions{display:none}
  .nav-search{display:none}
  .nav-search-toggle{display:grid}
  .nav-burger{display:grid}
  .nav-top-inner{gap:12px;height:64px}
  .brand-name{font-size:17.5px}
  .brand-mark{width:34px;height:34px;border-radius:11px;font-size:14.5px}
}

@media (max-width:767px){
  body{font-size:16px}
  .section{padding:56px 0}
  .section--tight{padding:44px 0}
  .container{padding:0 20px}
  .hero-stats{gap:10px}
  .stat-pill{padding:9px 15px}
  .stat-pill strong{font-size:19px}
  .voice-track{margin:0 -20px;padding:8px 20px 22px}
  .voice-card{flex:0 0 284px}
  .news-grid{grid-template-columns:1fr}
  .result-grid{grid-template-columns:1fr 1fr;gap:16px}
  .result-item{padding:22px 18px}
  .cta-band{padding:32px 24px;border-radius:24px}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .head-row{flex-direction:column;align-items:flex-start;gap:16px}
  .pain-item{grid-template-columns:40px 1fr;gap:14px;padding:20px}
  .pain-icon{width:40px;height:40px}
  .results{padding:56px 0}
  .section-head{margin-bottom:32px}
}

@media (max-width:479px){
  .hero-cta .btn{width:100%}
  .brand-name{font-size:16.5px}
  .result-grid{grid-template-columns:1fr}
  .faq-item summary{font-size:16px;gap:12px;padding:20px 2px}
  .cta-band h2{font-size:23px}
}

/* roulang page: category1 */
:root{
  --brand-500:#FF6B4A;--brand-600:#F0552F;--brand-300:#FFB020;
  --accent-500:#12B39A;--accent-600:#0E8F7C;
  --bg:#FFF8F3;--bg-2:#F3F7F5;--card:#FFFFFF;
  --ink:#16241F;--ink-2:#3C4F49;--ink-3:#6B7C76;
  --line:#E7EDEA;--dark:#0F2B25;--dark-2:#0B201C;
  --warn:#E5484D;
  --grad:linear-gradient(120deg,#FF6B4A 0%,#FF9A3C 55%,#FFC93C 100%);
  --grad-soft:linear-gradient(120deg,rgba(255,107,74,.12) 0%,rgba(255,201,60,.14) 100%);
  --r-lg:28px;--r-md:20px;--r-sm:14px;--r-pill:999px;
  --sh-1:0 2px 8px rgba(22,36,31,.05);
  --sh-2:0 10px 30px rgba(22,36,31,.08);
  --sh-brand:0 14px 34px rgba(255,107,74,.22);
  --nav-h:60px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 24px)}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
svg{display:block}
::selection{background:rgba(255,107,74,.22)}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}

/* ---------- 通用文字 ---------- */
.h1{font-size:clamp(30px,4.6vw,52px);line-height:1.2;font-weight:700;letter-spacing:-.5px}
.h2{font-size:clamp(24px,3.2vw,36px);line-height:1.3;font-weight:700;letter-spacing:-.3px}
.h3{font-size:20px;line-height:1.4;font-weight:600}
.lead{font-size:17px;color:var(--ink-2);line-height:1.8}
.muted{color:var(--ink-3)}
.small{font-size:13.5px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- 装饰 ---------- */
.sec{padding:88px 0}
.sec-tight{padding:64px 0}
.divider{height:1px;border:0;background:linear-gradient(90deg,rgba(255,107,74,0),rgba(255,154,60,.45),rgba(18,179,154,.35),rgba(255,107,74,0))}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-title{position:relative;padding-left:16px}
.sec-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:6px;border-radius:6px;background:var(--grad)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brand-600);text-transform:uppercase}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-pill);
  padding:14px 28px;font-size:15.5px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background-position .35s var(--ease),color .2s}
.btn-primary{background:var(--grad);background-size:160% 100%;background-position:0 0;color:#fff;box-shadow:var(--sh-brand)}
.btn-primary:hover{transform:translateY(-3px);background-position:12% 0;box-shadow:0 18px 40px rgba(255,107,74,.3)}
.btn-outline{background:#fff;border-color:rgba(255,107,74,.45);color:var(--brand-600)}
.btn-outline:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-500)}
.btn-ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-3px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn:active{transform:translateY(1px);box-shadow:var(--sh-1)}
.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand-500);outline-offset:2px;border-radius:var(--r-pill)}
.btn[disabled]{opacity:.5;pointer-events:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-weight:600;font-size:14.5px}
.link-arrow svg{transition:transform .25s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}
.link-arrow:hover{color:var(--brand-500)}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;background:rgba(18,179,154,.12);color:var(--accent-600)}
.badge-hot{background:var(--grad);color:#fff}
.badge-num{display:inline-flex;align-items:baseline;gap:8px;padding:10px 18px;border-radius:var(--r-pill);
  background:var(--grad-soft);border:1px solid rgba(255,107,74,.18);font-size:13.5px;color:var(--ink-2)}
.badge-num b{font-size:19px;font-weight:800;line-height:1}

/* ---------- 头部 ---------- */
.site-header{position:relative;z-index:60;background:rgba(255,248,243,.92);backdrop-filter:blur(10px)}
.header-inner{display:flex;align-items:center;gap:24px;padding:16px 24px;max-width:1200px;margin:0 auto}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:40px;height:40px;border-radius:13px;background:var(--grad);color:#fff;font-weight:800;
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;letter-spacing:.5px;box-shadow:var(--sh-brand)}
.brand-name{font-size:19px;font-weight:700;letter-spacing:.2px}
.search-box{position:relative;flex:1;max-width:420px;margin:0 8px}
.search-box svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--ink-3)}
.search-box input{width:100%;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;padding:0 18px 0 44px;font-size:14.5px;transition:border-color .2s,box-shadow .2s}
.search-box input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,107,74,.16);outline:none}
.search-box input::placeholder{color:var(--ink-3)}
.header-actions{display:flex;align-items:center;gap:18px;margin-left:auto}
.icon-btn{display:none;width:42px;height:42px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;cursor:pointer}
.icon-btn svg{width:19px;height:19px;color:var(--ink-2)}

/* 频道 tabs */
.nav-tabs{position:sticky;top:0;z-index:55;background:rgba(255,248,243,.96);
  backdrop-filter:blur(12px);border-top:1px solid rgba(231,237,234,.9);border-bottom:1px solid var(--line)}
.tabs-wrap{display:flex;gap:10px;overflow-x:auto;padding:12px 24px;scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none}
.tabs-wrap::-webkit-scrollbar{display:none}
.tab{flex:0 0 auto;scroll-snap-align:start;padding:9px 20px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;font-size:14.5px;font-weight:600;color:var(--ink-2);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),color .2s,border-color .2s;white-space:nowrap}
.tab:hover{transform:translateY(-2px);box-shadow:var(--sh-1);color:var(--brand-600);border-color:rgba(255,107,74,.4)}
.tab.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:var(--sh-brand)}
.tab:active{transform:translateY(1px)}

/* 移动端搜索覆盖层 */
.search-overlay{display:none;position:fixed;inset:0;z-index:90;background:rgba(15,43,37,.45);padding:88px 20px}
.search-overlay.open{display:block}
.search-overlay .panel{background:#fff;border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-2);max-width:560px;margin:0 auto}
.search-overlay input{width:100%;height:48px;border-radius:var(--r-sm);border:1px solid var(--line);padding:0 16px}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);flex-wrap:wrap}
.crumbs a:hover{color:var(--brand-600)}
.crumbs svg{width:14px;height:14px;color:var(--line)}

/* ---------- 页头横幅 ---------- */
.page-hero{padding:36px 0 0}
.hero-banner{position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--bg-2);
  border:1px solid var(--line);box-shadow:var(--sh-1)}
.hero-banner .bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;opacity:.5}
.hero-banner .veil{position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(255,248,243,.97) 0%,rgba(255,248,243,.88) 52%,rgba(255,248,243,.35) 100%)}
.hero-banner .inner{position:relative;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:40px;padding:56px;align-items:center}
.hero-banner h1{margin:14px 0 16px}
.hero-banner .sub{max-width:560px;font-size:17px;color:var(--ink-2)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero-stats{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.hero-media{border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-2);border:1px solid rgba(255,255,255,.7);
  aspect-ratio:16/10;background:#fff}
.hero-media img{width:100%;height:100%;object-fit:cover}

/* ---------- 时间线 ---------- */
.timeline{margin-top:8px}
.tl-item{display:grid;grid-template-columns:104px 44px minmax(0,1fr);gap:0 18px}
.tl-age{padding-top:30px;text-align:right;font-weight:700;color:var(--brand-600);font-size:15px;line-height:1.4}
.tl-age span{display:block;font-size:12.5px;font-weight:600;color:var(--ink-3);margin-top:2px}
.tl-axis{position:relative}
.tl-axis::before{content:"";position:absolute;left:50%;top:0;width:2px;height:100%;
  transform:translateX(-50%);background:linear-gradient(180deg,rgba(255,107,74,.45),rgba(18,179,154,.25),rgba(231,237,234,0))}
.tl-item:last-child .tl-axis::before{height:52px}
.tl-dot{position:absolute;left:50%;top:26px;width:16px;height:16px;border-radius:50%;transform:translateX(-50%);
  background:var(--grad);box-shadow:0 0 0 6px rgba(255,107,74,.14);z-index:2}
.tl-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:26px 28px;
  margin-bottom:26px;box-shadow:var(--sh-1);transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.tl-card .h3{margin-bottom:6px}
.tl-tags{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 4px}
.tl-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 22px;margin-top:16px}
.tl-points li{display:flex;gap:9px;font-size:15px;color:var(--ink-2);line-height:1.7}
.tl-points svg{width:17px;height:17px;flex-shrink:0;margin-top:5px;color:var(--accent-500)}
.tl-photo{margin-top:20px;border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/7}
.tl-photo img{width:100%;height:100%;object-fit:cover}

/* ---------- 要点清单 ---------- */
.list-layout{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:48px;align-items:start}
.sticky-note{position:sticky;top:calc(var(--nav-h) + 28px)}
.plain-list{border-top:1px solid var(--line)}
.plain-item{display:flex;gap:18px;padding:24px 0;border-bottom:1px solid var(--line);transition:background .25s}
.plain-item:hover{background:rgba(255,107,74,.035)}
.plain-icon{width:46px;height:46px;flex-shrink:0;border-radius:var(--r-sm);background:var(--grad-soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand-600)}
.plain-icon svg{width:22px;height:22px}
.plain-item h3{font-size:17.5px;font-weight:600;margin-bottom:4px}
.plain-item p{font-size:15px;color:var(--ink-2)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:20px;cursor:pointer;
  padding:22px 4px;font-size:17px;font-weight:600;list-style:none;transition:color .2s}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--brand-600)}
.faq summary .plus{width:26px;height:26px;flex-shrink:0;position:relative;border-radius:50%;
  border:1px solid var(--line);transition:transform .3s var(--ease),border-color .3s,background .3s}
.faq summary .plus::before,.faq summary .plus::after{content:"";position:absolute;left:50%;top:50%;
  background:var(--brand-500);border-radius:2px;transform:translate(-50%,-50%)}
.faq summary .plus::before{width:12px;height:2px}
.faq summary .plus::after{width:2px;height:12px;transition:opacity .3s}
.faq details[open] summary{color:var(--brand-600)}
.faq details[open] summary .plus{transform:rotate(45deg);border-color:rgba(255,107,74,.5);background:rgba(255,107,74,.08)}
.faq .answer{padding:0 4px 24px;font-size:15.5px;color:var(--ink-2);max-width:860px}

/* ---------- CTA ---------- */
.cta-band{border-radius:var(--r-lg);background:var(--grad);padding:48px;display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:40px;align-items:center;
  box-shadow:0 24px 60px rgba(255,107,74,.26);position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.16)}
.cta-band h2{color:#fff;position:relative;z-index:1}
.cta-band p{color:rgba(255,255,255,.92);margin-top:12px;font-size:16px;position:relative;z-index:1}
.cta-form{position:relative;z-index:1;background:rgba(255,255,255,.96);border-radius:var(--r-md);padding:24px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.field input,.field textarea{width:100%;height:48px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;padding:0 14px;font-size:15px;transition:border-color .2s,box-shadow .2s}
.field textarea{height:88px;padding:12px 14px;resize:vertical;line-height:1.6}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,107,74,.16)}
.form-note{font-size:12.5px;color:var(--ink-3);margin-top:10px;text-align:center}
.form-ok{display:none;margin-top:12px;padding:10px 14px;border-radius:var(--r-sm);
  background:rgba(18,179,154,.12);color:var(--accent-600);font-size:13.5px}
.form-ok.show{display:block}

/* ---------- 相关分类 ---------- */
.related{padding:56px 0 8px;text-align:center}
.pill-row{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:20px}
.pill{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;font-size:14.5px;font-weight:600;color:var(--ink-2);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),color .2s,border-color .2s}
.pill:hover{transform:translateY(-3px);box-shadow:var(--sh-2);color:var(--brand-600);border-color:rgba(255,107,74,.4)}
.pill svg{width:15px;height:15px;color:var(--brand-500)}

/* ---------- 页脚 ---------- */
.site-footer{background:linear-gradient(180deg,var(--dark) 0%,var(--dark-2) 100%);color:rgba(255,255,255,.78);margin-top:72px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand .brand-name{color:#fff;font-size:18px}
.footer-intro{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62)}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links li,.footer-contact li{margin-bottom:10px;font-size:14px}
.footer-links a{transition:color .2s,transform .2s;display:inline-block}
.footer-links a:hover{color:var(--brand-500);transform:translateX(2px)}
.footer-contact strong{color:#fff;font-weight:600}
.qr-box{margin-top:18px;width:132px;height:132px;border-radius:var(--r-sm);border:1px dashed rgba(255,255,255,.32);
  display:flex;align-items:center;justify-content:center;text-align:center;font-size:12.5px;
  color:rgba(255,255,255,.6);line-height:1.6;padding:12px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .sec{padding:64px 0}
  .hero-banner .inner{grid-template-columns:1fr;gap:28px;padding:40px}
  .cta-band{grid-template-columns:1fr;padding:36px}
  .list-layout{grid-template-columns:1fr;gap:28px}
  .sticky-note{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .header-inner{padding:14px 20px;gap:12px}
  .search-box{display:none}
  .icon-btn{display:inline-flex}
  .header-actions .link-arrow{display:none}
  .header-actions .btn{padding:11px 18px;font-size:14px}
  .brand-name{font-size:17px}
  .tabs-wrap{padding:10px 20px;gap:8px}
  .tab{padding:8px 16px;font-size:13.5px}
  .sec{padding:48px 0}
  .sec-tight{padding:40px 0}
  .hero-banner .inner{padding:28px 22px}
  .hero-banner .sub{font-size:15.5px}
  .hero-actions{gap:10px;margin-top:22px}
  .hero-actions .btn{flex:1 1 100%}
  .tl-item{grid-template-columns:26px minmax(0,1fr);gap:0 14px}
  .tl-age{grid-column:2;text-align:left;padding-top:0}
  .tl-age span{display:inline;margin-left:8px}
  .tl-axis{grid-column:1;grid-row:1 / span 2}
  .tl-card{grid-column:2;padding:20px}
  .tl-dot{top:14px;width:14px;height:14px}
  .tl-points{grid-template-columns:1fr}
  .tl-photo{aspect-ratio:16/10}
  .plain-item{gap:14px;padding:18px 0}
  .plain-icon{width:40px;height:40px}
  .cta-band{padding:26px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .search-overlay{padding:76px 16px}
}
@media (max-width:479px){
  .hero-stats .badge-num{width:100%;justify-content:space-between}
  .h1{font-size:28px}
}

/* roulang page: article */
:root{
  --brand-500:#FF6B4A;
  --brand-600:#F0552F;
  --brand-300:#FFB020;
  --accent-500:#12B39A;
  --accent-600:#0E8F7C;
  --bg:#FFF8F3;
  --bg-2:#F3F7F5;
  --card:#FFFFFF;
  --dark:#0F2B25;
  --dark-2:#0B201C;
  --ink:#16241F;
  --ink-2:#3C4F49;
  --ink-3:#6B7C76;
  --line:#E7EDEA;
  --warn:#E5484D;
  --grad:linear-gradient(120deg,#FF6B4A 0%,#FF9A3C 55%,#FFC93C 100%);
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(22,36,31,.05);
  --sh-2:0 10px 30px rgba(22,36,31,.08);
  --sh-brand:0 14px 34px rgba(255,107,74,.22);
  --nav-h:104px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- 顶部导航 ---------- */
.site-header{position:relative;z-index:80;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh-1)}
.topbar-inner{display:grid;grid-template-columns:auto minmax(200px,1fr) auto;align-items:center;gap:20px;padding:14px 0}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:16px;letter-spacing:.5px;
  box-shadow:var(--sh-brand)
}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.4px}
.search-box{
  display:flex;align-items:center;gap:10px;height:46px;padding:4px 4px 4px 16px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,107,74,.16)}
.search-box svg{flex:none;color:var(--ink-3)}
.search-box input{flex:1;min-width:0;height:100%;border:none;background:transparent;outline:none;font-size:15px}
.search-box input::placeholder{color:var(--ink-3)}
.search-submit{
  flex:none;height:36px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;font-size:14px;font-weight:600;
  box-shadow:var(--sh-brand);transition:transform .2s ease,filter .2s ease;
}
.search-submit:hover{transform:translateY(-1px);filter:brightness(1.02)}
.topbar-actions{display:flex;align-items:center;gap:12px;flex:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{height:46px;padding:0 26px;font-size:15px;color:#fff;background:var(--grad);box-shadow:var(--sh-brand)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(255,107,74,.28)}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh-1)}
.btn-outline{height:46px;padding:0 24px;font-size:15px;color:var(--brand-600);background:#fff;border:1px solid rgba(255,107,74,.55)}
.btn-outline:hover{transform:translateY(-2px);background:#FFF3EE;box-shadow:var(--sh-2)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--accent-600)}
.link-arrow svg{transition:transform .2s ease}
.link-arrow:hover svg{transform:translateX(4px)}
.icon-btn{
  width:42px;height:42px;border-radius:var(--r-pill);border:1px solid var(--line);
  display:none;place-items:center;background:#fff;color:var(--ink-2);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:var(--bg-2);color:var(--brand-600);border-color:rgba(255,107,74,.4)}

.nav-tabs{position:sticky;top:0;z-index:70;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.tabs-wrap{
  display:flex;gap:10px;align-items:center;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:10px 0;-ms-overflow-style:none;scrollbar-width:none;
}
.tabs-wrap::-webkit-scrollbar{display:none}
.tab{
  flex:none;scroll-snap-align:start;padding:8px 18px;border-radius:var(--r-pill);
  font-size:15px;color:var(--ink-2);border:1px solid transparent;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.tab:hover{background:var(--bg-2);color:var(--brand-600);transform:translateY(-1px)}
.tab.active{background:var(--grad);color:#fff;box-shadow:var(--sh-brand)}

.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:14px 0 18px}
.mobile-drawer.open{display:block}
.mobile-drawer a{display:block;padding:11px 4px;font-size:15px;color:var(--ink-2);border-bottom:1px dashed var(--line)}
.mobile-drawer a:last-child{border-bottom:none}
.mobile-drawer a:hover{color:var(--brand-600)}
.search-overlay{display:none;background:#fff;border-bottom:1px solid var(--line);padding:12px 0}
.search-overlay.open{display:block}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:26px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-3)}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--brand-600)}
.crumb .sep{color:#C7D3CE}
.crumb .current{color:var(--ink-2);font-weight:600;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;padding:28px 0 96px;align-items:start}
.entry-head{padding-bottom:26px}
.entry-badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(18,179,154,.12);color:var(--accent-600);font-size:13px;font-weight:700;letter-spacing:.3px;
}
.entry-title{font-size:clamp(28px,3.4vw,42px);line-height:1.28;font-weight:700;margin:16px 0 14px;letter-spacing:.2px}
.entry-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--ink-3)}
.entry-meta .dot{color:#C7D3CE}
.entry-thumb{margin-top:26px;border-radius:24px;overflow:hidden;box-shadow:var(--sh-2);position:relative}
.entry-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.entry-thumb::after{
  content:"";position:absolute;inset:auto -60px -80px auto;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,201,60,.55),rgba(255,107,74,0) 70%);
}

.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:34px 38px}
.article-body{font-size:17px;line-height:1.8;color:var(--ink)}
.article-body > p:first-of-type{font-size:18px;color:var(--ink-2)}
.article-body h2{position:relative;font-size:clamp(21px,2.3vw,27px);line-height:1.42;font-weight:700;margin:44px 0 16px;padding-left:18px;scroll-margin-top:90px}
.article-body h2::before{content:"";position:absolute;left:0;top:.16em;width:6px;height:1.08em;border-radius:var(--r-pill);background:var(--grad)}
.article-body h3{font-size:19px;font-weight:600;margin:30px 0 12px;line-height:1.5;color:var(--ink)}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px;color:var(--ink-2)}
.article-body p{margin:0 0 18px}
.article-body a{color:var(--accent-600);border-bottom:2px solid rgba(18,179,154,.28)}
.article-body a:hover{color:var(--brand-600);border-bottom-color:rgba(255,107,74,.5)}
.article-body strong{font-weight:700;color:var(--ink)}
.article-body blockquote{position:relative;margin:24px 0;padding:18px 24px 18px 26px;background:var(--bg-2);border-radius:16px;color:var(--ink-2)}
.article-body blockquote::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:5px;border-radius:var(--r-pill);background:var(--grad)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:8px 0;padding-left:4px}
.article-body li::marker{color:var(--brand-500);font-weight:700}
.article-body img{border-radius:16px;margin:22px auto;box-shadow:var(--sh-1)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);text-align:left}
.article-body th{background:var(--bg-2);font-weight:700;color:var(--ink-2)}
.article-body tbody tr:nth-child(even){background:#FBFDFC}
.article-body hr{border:none;height:1px;background:var(--line);margin:32px 0}

.empty-state{
  border:1px dashed rgba(255,107,74,.5);border-radius:var(--r-lg);background:#fff;
  padding:52px 28px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state .empty-icon{
  width:64px;height:64px;margin:0 auto 16px;border-radius:20px;display:grid;place-items:center;
  background:var(--bg-2);color:var(--brand-500);
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:8px}
.empty-state p{color:var(--ink-3);font-size:15px;margin-bottom:22px}

/* ---------- 标签 / 分享 ---------- */
.post-foot{margin-top:30px;padding-top:26px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag-row .label{font-size:14px;color:var(--ink-3);margin-right:2px}
.pill{
  display:inline-flex;align-items:center;padding:6px 15px;border-radius:var(--r-pill);
  font-size:13px;color:var(--ink-2);background:var(--bg-2);border:1px solid var(--line);
  transition:background-color .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
}
.pill:hover{background:#FFF3EE;color:var(--brand-600);border-color:rgba(255,107,74,.4);transform:translateY(-2px)}
.share-row{display:flex;align-items:center;gap:10px}
.share-row .label{font-size:14px;color:var(--ink-3)}
.share-btn{
  width:40px;height:40px;border-radius:var(--r-pill);display:grid;place-items:center;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  transition:transform .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.share-btn:hover{transform:translateY(-2px);color:var(--brand-600);border-color:rgba(255,107,74,.45);box-shadow:var(--sh-2)}

/* ---------- 上下篇 ---------- */
.adjacent{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px}
.adj-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.adj-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(255,107,74,.35)}
.adj-card .kicker{font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:6px;margin-bottom:8px}
.adj-card h3{font-size:16px;font-weight:600;line-height:1.55;color:var(--ink)}
.adj-card.next{text-align:right}
.adj-card.next .kicker{justify-content:flex-end}

/* ---------- 侧栏 ---------- */
.aside-sticky{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1)}
.side-title{font-size:16px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:5px;height:18px;border-radius:var(--r-pill);background:var(--grad)}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:46vh;overflow-y:auto}
.toc-list a{
  display:block;padding:8px 12px;font-size:14px;color:var(--ink-2);border-radius:10px;line-height:1.5;
  border-left:2px solid transparent;transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.toc-list a:hover{background:var(--bg-2);color:var(--brand-600)}
.toc-list a.current{background:#FFF3EE;color:var(--brand-600);border-left-color:var(--brand-500);font-weight:600}
.toc-mobile{display:none}
.toc-mobile summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  font-size:15px;font-weight:700;padding:14px 18px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;
}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile[open] summary{border-color:rgba(255,107,74,.45);color:var(--brand-600)}
.toc-mobile .toc-list{padding:12px 6px 4px}

.cta-mini{
  background:linear-gradient(150deg,#FFF3EE 0%,#FFFFFF 60%);
  border:1px solid rgba(255,107,74,.35);border-radius:var(--r-md);padding:24px;
  box-shadow:var(--sh-1);
}
.cta-mini h3{font-size:17px;font-weight:700;margin-bottom:8px}
.cta-mini p{font-size:14px;color:var(--ink-2);margin-bottom:16px}
.cta-mini .btn-primary{width:100%;height:44px;font-size:15px}

.rel-list{display:flex;flex-direction:column;gap:14px}
.rel-item{display:grid;grid-template-columns:84px 1fr;gap:12px;align-items:center}
.rel-item img{width:84px;height:60px;object-fit:cover;border-radius:12px}
.rel-item h4{font-size:14px;font-weight:600;line-height:1.55;color:var(--ink);transition:color .2s ease}
.rel-item:hover h4{color:var(--brand-600)}
.rel-item span{font-size:12px;color:var(--ink-3)}

/* ---------- 相关推荐 ---------- */
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.35;position:relative;padding-left:18px}
.section-head h2::before{content:"";position:absolute;left:0;top:.18em;width:6px;height:1.05em;border-radius:var(--r-pill);background:var(--grad)}
.rel-section{padding:10px 0 84px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,107,74,.3)}
.post-card .thumb{position:relative;overflow:hidden}
.post-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.post-card:hover .thumb img{transform:scale(1.04)}
.post-card .thumb .badge{
  position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(18,179,154,.92);color:#fff;font-size:12px;font-weight:600;
}
.post-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card h3{font-size:17px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card p{font-size:14px;color:var(--ink-3);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card .meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3)}

/* ---------- CTA 带 ---------- */
.cta-band{padding:0 0 92px}
.cta-inner{
  position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--grad);
  padding:46px 48px;display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;
  box-shadow:0 22px 50px rgba(255,107,74,.28);
}
.cta-inner::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.4),rgba(255,255,255,0) 70%);
}
.cta-copy{position:relative;z-index:2;color:#fff}
.cta-copy h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.35;margin-bottom:10px}
.cta-copy p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.92);max-width:44ch}
.cta-form{position:relative;z-index:2;background:rgba(255,255,255,.96);border-radius:var(--r-md);padding:22px;display:grid;gap:12px}
.field{display:grid;gap:6px}
.field label{font-size:13px;font-weight:600;color:var(--ink-2)}
.field input,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;outline:none;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:80px;padding:12px 14px;resize:vertical;line-height:1.6}
.field input:focus,.field textarea:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,107,74,.18)}
.cta-form .btn-primary{width:100%;height:48px;font-size:16px}
.form-hint{font-size:12px;color:var(--ink-3);text-align:center}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#D8E5E0;padding:64px 0 26px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand .brand-name{color:#fff;font-size:18px;font-weight:800}
.footer-intro{font-size:14px;line-height:1.85;color:#9FB5AE;max-width:40ch}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:#9FB5AE;display:inline-block;transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:var(--brand-300);transform:translateX(2px)}
.footer-contact li{font-size:14px;color:#9FB5AE;margin-bottom:10px}
.footer-contact strong{color:#EAF3F0;font-weight:600}
.qr-box{
  margin-top:16px;width:132px;height:132px;border-radius:16px;border:1px dashed rgba(255,255,255,.28);
  display:grid;place-items:center;text-align:center;font-size:12px;line-height:1.6;color:#9FB5AE;padding:12px;
  background:rgba(255,255,255,.04);
}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8AA29A;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 288px;gap:32px}
}
@media (max-width:1023px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .aside-sticky{position:static}
  .side-col{order:2}
  .toc-mobile{display:block}
  .toc-card{display:none}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-inner{grid-template-columns:1fr;padding:38px 32px}
  .cta-copy p{max-width:none}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .topbar-inner{grid-template-columns:auto 1fr auto;gap:12px;padding:12px 0}
  .search-box{display:none}
  .icon-btn{display:grid}
  .topbar-actions .link-arrow{display:none}
  .topbar-actions .btn-primary{display:none}
  .panel{padding:24px 20px;border-radius:var(--r-md)}
  .entry-thumb{border-radius:20px}
  .article-body{font-size:16px}
  .adjacent{grid-template-columns:1fr}
  .adj-card.next{text-align:left}
  .adj-card.next .kicker{justify-content:flex-start}
  .rel-section{padding-bottom:64px}
  .cta-band{padding-bottom:72px}
  .cta-inner{padding:30px 22px;border-radius:var(--r-md)}
  .site-footer{padding:48px 0 22px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:519px){
  .card-grid{grid-template-columns:1fr}
  .brand-name{font-size:17px}
  .pill{padding:5px 12px}
  .post-foot{gap:14px}
}

/* roulang page: category2 */
:root{
  --brand-500:#FF6B4A;
  --brand-600:#F0552F;
  --brand-300:#FFB020;
  --accent-500:#12B39A;
  --accent-600:#0E8F7C;
  --bg:#FFF8F3;
  --bg-2:#F3F7F5;
  --card:#FFFFFF;
  --deep:#0F2B25;
  --deep-2:#0B201C;
  --ink:#16241F;
  --ink-2:#3C4F49;
  --ink-3:#6B7C76;
  --line:#E7EDEA;
  --warn:#E5484D;
  --info:#FFB020;
  --grad:linear-gradient(120deg,#FF6B4A 0%,#FF9A3C 55%,#FFC93C 100%);
  --r-xl:28px;
  --r-lg:20px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(22,36,31,.05);
  --sh-2:0 10px 30px rgba(22,36,31,.08);
  --sh-brand:0 14px 34px rgba(255,107,74,.22);
  --container:1200px;
  --nav-h:118px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 16px)}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,248,243,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-top{display:flex;align-items:center;gap:22px;padding-top:14px;padding-bottom:12px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;border-radius:13px;background:var(--grad);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;letter-spacing:.5px;
  box-shadow:var(--sh-brand);
}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.2px}
.search-box{
  flex:1 1 auto;max-width:420px;display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:5px 6px 5px 16px;box-shadow:var(--sh-1);transition:border-color .2s,box-shadow .2s;
}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,107,74,.16)}
.search-box input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14.5px}
.search-box input::placeholder{color:var(--ink-3)}
.search-submit{
  width:36px;height:36px;border:0;border-radius:50%;background:var(--grad);
  color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:transform .2s,filter .2s;
}
.search-submit:hover{transform:translateX(2px)}
.search-submit svg{width:17px;height:17px}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto}
.link-ghost{font-size:14.5px;color:var(--ink-2);padding:6px 2px;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.link-ghost:hover{color:var(--brand-600);border-color:var(--brand-500)}
.btn{
  display:inline-flex;align-items:center;gap:8px;border-radius:var(--r-pill);
  padding:13px 26px;font-size:15px;font-weight:600;cursor:pointer;
  border:1px solid transparent;transition:transform .2s,box-shadow .2s,background-color .2s,color .2s,filter .2s;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-brand);background-size:160% 100%}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.03);background-position:6% 0}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,107,74,.24)}
.btn-outline{background:#fff;color:var(--brand-600);border-color:var(--brand-500);box-shadow:var(--sh-1)}
.btn-outline:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-weight:600;font-size:14.5px}
.btn-link svg{width:16px;height:16px;transition:transform .2s}
.btn-link:hover svg{transform:translateX(4px)}
.menu-btn{
  display:none;width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.nav-tabs{border-top:1px solid transparent}
.tabs-wrap{
  display:flex;gap:10px;overflow-x:auto;padding-bottom:14px;
  scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none;
}
.tabs-wrap::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;scroll-snap-align:start;padding:9px 20px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:14.5px;white-space:nowrap;
  transition:transform .2s,box-shadow .2s,color .2s,background-color .2s,border-color .2s;
}
.tab:hover{transform:translateY(-2px);box-shadow:var(--sh-1);color:var(--brand-600);border-color:#F7D2C7}
.tab.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:var(--sh-brand)}
.tab.active:hover{color:#fff}

.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:14px 0 18px}
.mobile-panel.open{display:block}
.mobile-panel ul{display:grid;gap:6px;margin-bottom:14px}
.mobile-panel a{display:block;padding:11px 14px;border-radius:var(--r-sm);background:var(--bg);font-size:15px;color:var(--ink-2)}
.mobile-panel a:hover{background:#FDEEE8;color:var(--brand-600)}

/* ---------- Page hero ---------- */
.page-hero{padding:40px 0 8px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);margin-bottom:22px}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb svg{width:13px;height:13px;opacity:.55}
.hero-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:
    linear-gradient(120deg,rgba(255,248,243,.96) 0%,rgba(255,248,243,.86) 52%,rgba(255,248,243,.55) 100%),
    url('/assets/images/backpic/back-2.webp') center right/cover no-repeat;
  border:1px solid var(--line);box-shadow:var(--sh-2);
  padding:48px 44px;
}
.hero-card::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,201,60,.42) 0%,rgba(255,201,60,0) 68%);
  pointer-events:none;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:var(--r-pill);
  background:rgba(18,179,154,.12);color:var(--accent-600);font-size:13px;font-weight:600;margin-bottom:18px;
}
h1{font-size:clamp(30px,4.4vw,50px);line-height:1.2;font-weight:800;letter-spacing:-.5px}
.hero-sub{margin-top:16px;max-width:640px;font-size:17px;color:var(--ink-2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.stat-pill{
  display:flex;align-items:baseline;gap:8px;padding:10px 18px;border-radius:var(--r-pill);
  background:linear-gradient(120deg,rgba(255,107,74,.12),rgba(255,201,60,.16));
  border:1px solid rgba(255,107,74,.18);
}
.stat-pill strong{
  font-size:22px;font-weight:800;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-pill span{font-size:13.5px;color:var(--ink-2)}

/* ---------- Section ---------- */
.section{padding:76px 0}
.section-tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px;flex-wrap:wrap}
.section-head h2{
  font-size:clamp(23px,3vw,34px);font-weight:800;position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:12%;width:6px;height:76%;border-radius:6px;background:var(--grad);
}
.section-head p{color:var(--ink-3);font-size:14.5px;margin-top:8px;padding-left:16px}

/* ---------- Filter pills ---------- */
.filter-bar{display:flex;gap:10px;overflow-x:auto;padding:4px 0 8px;-ms-overflow-style:none;scrollbar-width:none}
.filter-bar::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;padding:9px 20px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;color:var(--ink-2);font-size:14px;transition:transform .2s,box-shadow .2s,color .2s,border-color .2s;
}
.chip:hover{transform:translateY(-2px);box-shadow:var(--sh-1);color:var(--brand-600)}
.chip.is-on{background:var(--grad);color:#fff;border-color:transparent;box-shadow:var(--sh-brand)}

/* ---------- Card grid ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:22px}
.card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#F5D6CC}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.badge{
  align-self:flex-start;padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(18,179,154,.12);color:var(--accent-600);font-size:12.5px;font-weight:600;
}
.badge-hot{background:var(--grad);color:#fff}
.card h3{font-size:18.5px;font-weight:700;line-height:1.45}
.card p{font-size:14.5px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--ink-3);border-top:1px dashed var(--line);padding-top:14px}
.card-meta .go{display:inline-flex;align-items:center;gap:5px;color:var(--brand-600);font-weight:600}
.card-meta .go svg{width:15px;height:15px;transition:transform .2s}
.card:hover .card-meta .go svg{transform:translateX(4px)}

/* ---------- Deep band ---------- */
.band{background:linear-gradient(140deg,var(--deep) 0%,var(--deep-2) 100%);color:#EAF3F0;border-radius:var(--r-xl);padding:52px 44px;margin-top:14px}
.band h2{color:#fff;font-size:clamp(22px,2.8vw,32px);font-weight:800;padding-left:16px;position:relative}
.band h2::before{content:"";position:absolute;left:0;top:12%;width:6px;height:76%;border-radius:6px;background:var(--grad)}
.band .band-sub{color:#A9C4BC;margin-top:12px;padding-left:16px;font-size:14.5px;max-width:720px}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:34px}
.band-cell{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-lg);padding:22px 20px}
.band-cell b{
  display:block;font-size:clamp(28px,4.4vw,46px);font-weight:800;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.band-cell span{display:block;margin-top:10px;font-size:13.5px;color:#A9C4BC;line-height:1.6}

/* ---------- FAQ ---------- */
.faq{margin-top:12px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;font-size:17px;font-weight:600;color:var(--ink);transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:400;
  background:var(--bg-2);color:var(--brand-600);transition:transform .25s,background-color .25s;
}
.faq-item summary:hover{color:var(--brand-600)}
.faq-item[open] summary{color:var(--brand-600)}
.faq-item[open] summary::after{transform:rotate(45deg);background:rgba(255,107,74,.14)}
.faq-body{padding:0 48px 24px 4px;color:var(--ink-2);font-size:15.5px}

/* ---------- CTA ---------- */
.cta-wrap{padding:20px 0 8px}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--grad);
  padding:46px 44px;display:grid;grid-template-columns:1.1fr 1fr;gap:36px;align-items:center;
  box-shadow:var(--sh-brand);color:#fff;
}
.cta-card::after{
  content:"";position:absolute;left:-70px;bottom:-110px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.3) 0%,rgba(255,255,255,0) 70%);
}
.cta-card h2{font-size:clamp(23px,3vw,34px);font-weight:800;color:#fff}
.cta-card p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.92);max-width:460px}
.cta-form{
  position:relative;z-index:2;background:#fff;border-radius:var(--r-lg);padding:24px;
  display:grid;gap:14px;box-shadow:0 18px 40px rgba(11,32,28,.16);
}
.field{display:grid;gap:7px}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-2)}
.field input,.field select{
  width:100%;height:48px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;padding:0 14px;font-size:15px;color:var(--ink);transition:border-color .2s,box-shadow .2s;
}
.field input::placeholder{color:#9AA9A4}
.field input:focus,.field select:focus{outline:0;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,107,74,.18)}
.form-note{font-size:12.5px;color:var(--ink-3)}

/* ---------- Related links + pager ---------- */
.pill-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}
.pill-row a{
  padding:10px 20px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--ink-2);transition:transform .2s,box-shadow .2s,color .2s,border-color .2s;
}
.pill-row a:hover{transform:translateY(-2px);box-shadow:var(--sh-1);color:var(--brand-600);border-color:#F5D6CC}
.pager{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:38px;flex-wrap:wrap}
.page-num,.page-btn{
  min-width:44px;height:44px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;color:var(--ink-2);font-size:14.5px;display:inline-flex;align-items:center;justify-content:center;
  transition:transform .2s,box-shadow .2s,color .2s,background-color .2s,border-color .2s;
}
.page-num:hover,.page-btn:hover{transform:translateY(-2px);box-shadow:var(--sh-1);color:var(--brand-600);background:#FFF3EE}
.page-num.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:var(--sh-brand)}

/* ---------- Footer ---------- */
.site-footer{background:linear-gradient(160deg,var(--deep) 0%,var(--deep-2) 100%);color:#C9DBD6;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;padding:62px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:38px;height:38px;border-radius:12px}
.footer-brand .brand-name{color:#fff;font-size:18px;font-weight:800}
.footer-intro{font-size:14px;line-height:1.85;color:#9FB8B1}
.footer-title{color:#fff;font-size:15.5px;font-weight:700;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a,.footer-contact li{font-size:14px;color:#B4CAC4;transition:color .2s,transform .2s;display:inline-block}
.footer-links a:hover{color:var(--brand-300);transform:translateX(2px)}
.footer-contact li{margin-bottom:10px}
.footer-contact strong{color:#fff;font-weight:600}
.qr-box{
  margin-top:16px;width:150px;height:96px;border-radius:var(--r-sm);border:1px dashed rgba(255,255,255,.28);
  display:flex;align-items:center;justify-content:center;text-align:center;font-size:12.5px;color:#8FA9A2;padding:10px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 30px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#8FA9A2;
}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  :root{--nav-h:112px}
  .search-box{max-width:280px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .band-grid{grid-template-columns:repeat(2,1fr)}
  .cta-card{grid-template-columns:1fr;padding:38px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .hero-card{padding:40px 32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .header-top{gap:12px;padding-top:12px;padding-bottom:10px}
  .search-box{display:none}
  .link-ghost{display:none}
  .menu-btn{display:inline-flex}
  .card-grid{grid-template-columns:1fr;gap:20px}
  .band-grid{grid-template-columns:1fr;gap:16px}
  .section{padding:52px 0}
  .section-tight{padding:42px 0}
  .hero-card{padding:32px 22px}
  .hero-sub{font-size:15.5px}
  .band{padding:36px 24px}
  .cta-card{padding:30px 22px;gap:24px}
  .faq-body{padding-right:12px}
  .faq-item summary{font-size:16px;padding:18px 2px}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 30px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:479px){
  .brand-name{font-size:17px}
  .brand-mark{width:36px;height:36px;border-radius:11px}
  .hero-actions .btn{width:100%;justify-content:center}
  .stat-pill{padding:8px 14px}
  .stat-pill strong{font-size:19px}
  .pill-row a{padding:9px 16px;font-size:13.5px}
}

/* roulang page: category3 */
:root{
  --brand-500:#FF6B4A;--brand-600:#F0552F;--brand-300:#FFB020;
  --accent-500:#12B39A;--accent-600:#0E8F7C;
  --bg:#FFF8F3;--bg-2:#F3F7F5;--card:#FFFFFF;
  --ink:#16241F;--ink-2:#3C4F49;--ink-3:#6B7C76;
  --line:#E7EDEA;
  --dark-1:#0F2B25;--dark-2:#0B201C;
  --danger:#E5484D;
  --grad:linear-gradient(120deg,#FF6B4A 0%,#FF9A3C 55%,#FFC93C 100%);
  --r-lg:28px;--r-md:20px;--r-sm:14px;--r-pill:999px;
  --sh-1:0 2px 8px rgba(22,36,31,.05);
  --sh-2:0 10px 30px rgba(22,36,31,.08);
  --sh-brand:0 14px 34px rgba(255,107,74,.22);
  --nav-h:58px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 20px);-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;letter-spacing:.01em;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{flex:none}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (max-width:767px){.container{padding:0 20px}}

/* ---------- header ---------- */
.site-header{background:rgba(255,248,243,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-top{display:flex;align-items:center;gap:24px;height:76px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:17px;letter-spacing:.02em;
  box-shadow:var(--sh-brand);
}
.brand-name{font-size:19px;font-weight:700;letter-spacing:.01em}
.search-box{
  flex:1;max-width:420px;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 8px 0 16px;border:1px solid var(--line);
  border-radius:var(--r-pill);background:#fff;box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,107,74,.16)}
.search-box input{flex:1;border:0;outline:0;background:transparent;font-size:14px;min-width:0}
.search-box input::placeholder{color:var(--ink-3)}
.search-btn{
  border:0;cursor:pointer;height:32px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;font-size:13px;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease;
}
.search-btn:hover{transform:translateY(-1px);box-shadow:var(--sh-brand)}
.header-actions{display:flex;align-items:center;gap:16px;margin-left:auto;flex:none}
.header-link{font-size:14px;color:var(--ink-2);transition:color .2s ease}
.header-link:hover{color:var(--brand-600)}
.search-toggle{display:none;border:1px solid var(--line);background:#fff;width:42px;height:42px;border-radius:12px;cursor:pointer;align-items:center;justify-content:center;color:var(--ink-2)}

/* ---------- nav tabs ---------- */
.nav-tabs{
  position:sticky;top:0;z-index:60;
  background:rgba(255,248,243,.94);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.tabs-wrap{
  display:flex;gap:10px;align-items:center;height:var(--nav-h);
  overflow-x:auto;scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none;
}
.tabs-wrap::-webkit-scrollbar{display:none}
.tab{
  flex:none;scroll-snap-align:start;
  padding:8px 18px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;font-size:14px;color:var(--ink-2);white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,color .2s ease,background .2s ease;
}
.tab:hover{transform:translateY(-2px);box-shadow:var(--sh-1);color:var(--brand-600);border-color:rgba(255,107,74,.4)}
.tab.active{background:var(--grad);border-color:transparent;color:#fff;font-weight:600;box-shadow:var(--sh-brand)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-position .3s ease,opacity .2s ease;
}
.btn-primary{background:var(--grad);background-size:150% 100%;color:#fff;box-shadow:var(--sh-brand)}
.btn-primary:hover{transform:translateY(-3px);background-position:60% 0;box-shadow:0 18px 40px rgba(255,107,74,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,107,74,.24)}
.btn-ghost{background:#fff;border-color:var(--brand-500);color:var(--brand-600)}
.btn-ghost:hover{transform:translateY(-3px);box-shadow:var(--sh-2);background:#FFF3EE}
.btn-ghost:active{transform:translateY(0)}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-weight:600;font-size:15px;padding:6px 0}
.btn-link svg{transition:transform .2s ease}
.btn-link:hover svg{transform:translateX(4px)}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}

/* ---------- badges / pills ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;
}
.badge-cat{background:rgba(18,179,154,.12);color:var(--accent-600)}
.badge-new{background:var(--grad);color:#fff}
.badge-soft{background:#FFF3EE;color:var(--brand-600)}
.pill-row{display:flex;flex-wrap:wrap;gap:10px}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;font-size:14px;color:var(--ink-2);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.pill:hover{transform:translateY(-2px);box-shadow:var(--sh-1);border-color:rgba(255,107,74,.45);color:var(--brand-600)}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--ink-3);padding:22px 0 0}
.crumb a:hover{color:var(--brand-600)}
.crumb-sep{color:#C9D6D1}

/* ---------- hero banner ---------- */
.cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.20;filter:saturate(1.05);
}
.cat-hero::after{
  content:"";position:absolute;width:420px;height:420px;right:-120px;top:-160px;border-radius:50%;
  background:var(--grad);opacity:.18;filter:blur(30px);
}
.cat-hero-inner{position:relative;z-index:2;padding:64px 0 56px;max-width:820px}
.cat-hero h1{font-size:clamp(30px,4.6vw,52px);line-height:1.2;font-weight:700}
.cat-hero h1 .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero .lede{margin-top:18px;font-size:17px;color:var(--ink-2);max-width:680px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.stat-chip{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:10px 20px;border-radius:var(--r-pill);
  background:linear-gradient(120deg,rgba(255,107,74,.12),rgba(255,201,60,.14));
  border:1px solid rgba(255,107,74,.18);font-size:13px;color:var(--ink-2);
}
.stat-chip b{
  font-size:22px;line-height:1;font-weight:800;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section.tight{padding:64px 0}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head h2{font-size:clamp(24px,3.2vw,36px);position:relative;padding-left:18px}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.18em;width:6px;height:1.05em;border-radius:6px;background:var(--grad);
}
.sec-head p{margin-top:14px;color:var(--ink-2)}
.divider{height:1px;background:linear-gradient(90deg,rgba(255,107,74,.35),rgba(18,179,154,.28),rgba(231,237,234,0));border:0;margin:0}

/* ---------- split layout ---------- */
.split{display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;align-items:start}
.anchor-nav{position:sticky;top:calc(var(--nav-h) + 24px)}
.anchor-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1)}
.anchor-title{font-size:12.5px;letter-spacing:.14em;color:var(--ink-3);text-transform:uppercase;margin-bottom:14px}
.anchor-list li+li{margin-top:4px}
.anchor-list a{
  display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:12px;
  font-size:14px;color:var(--ink-2);transition:background .2s ease,color .2s ease,transform .2s ease;
}
.anchor-list a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--line);transition:background .2s ease}
.anchor-list a:hover{background:#FFF3EE;color:var(--brand-600);transform:translateX(2px)}
.anchor-list a:hover::before{background:var(--brand-500)}
.anchor-help{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3)}

/* ---------- article body ---------- */
.article-body{max-width:820px}
.block+.block{margin-top:56px}
.article-body h2{
  font-size:clamp(22px,2.6vw,30px);position:relative;padding-left:16px;margin-bottom:18px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;width:5px;height:1em;border-radius:5px;background:var(--grad);
}
.article-body h3{font-size:20px;margin:0 0 10px}
.article-body p{color:var(--ink-2);margin-bottom:16px}
.article-body p.lead{font-size:18px;color:var(--ink)}
.check-list{margin:18px 0 0}
.check-list li{display:flex;gap:12px;padding:10px 0;color:var(--ink-2);border-bottom:1px dashed var(--line)}
.check-list li:last-child{border-bottom:0}
.check-list svg{margin-top:6px;color:var(--accent-500)}
.check-list strong{color:var(--ink);font-weight:600}

.media-block{margin:26px 0 0;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease}
.media-block:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.media-block img{width:100%;aspect-ratio:16/10;object-fit:cover}
.media-block figcaption{padding:12px 18px;font-size:13px;color:var(--ink-3);border-top:1px solid var(--line)}

.feature-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:center;margin-top:24px}
.feature-row.rev .feature-copy{order:2}
.feature-row.rev .feature-media{order:1}
.feature-copy h3{margin-bottom:10px}
.feature-media{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.age-tag{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;color:var(--accent-600);background:rgba(18,179,154,.1);padding:5px 12px;border-radius:var(--r-pill);margin-bottom:12px}

/* compare cards */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:22px}
.compare-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.compare-card.best{border-color:rgba(255,107,74,.4);box-shadow:var(--sh-brand)}
.compare-card h4{font-size:16px;margin-bottom:6px}
.compare-card .tag{font-size:12.5px;color:var(--ink-3)}
.compare-list{margin-top:16px}
.compare-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-2);padding:7px 0}
.compare-list .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-500);margin-top:9px;flex:none}
.compare-card.best .compare-list .dot{background:var(--accent-500)}

/* quote */
.quote-card{
  margin-top:24px;padding:26px 28px;border-radius:var(--r-md);
  background:#fff;border-left:5px solid transparent;
  border-image:var(--grad) 1;box-shadow:var(--sh-1);
}
.quote-card p{font-size:16.5px;color:var(--ink)}
.quote-meta{margin-top:14px;display:flex;align-items:center;gap:12px;font-size:13.5px;color:var(--ink-3)}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:14px}
.stars{display:flex;gap:3px;color:var(--brand-300)}

/* stat band */
.stat-band{background:linear-gradient(120deg,var(--dark-1),var(--dark-2));color:#EAF3F0;margin-top:8px}
.stat-band .container{padding-top:64px;padding-bottom:64px}
.stat-band h2{color:#fff;font-size:clamp(22px,2.8vw,32px);margin-bottom:12px}
.stat-band p.sub{color:rgba(234,243,240,.72);max-width:640px}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:40px}
.stat-item{border-top:1px solid rgba(255,255,255,.14);padding-top:20px}
.stat-item b{
  display:block;font-size:clamp(32px,5vw,56px);line-height:1;font-weight:800;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-item span{display:block;margin-top:12px;font-size:14px;color:rgba(234,243,240,.74)}

/* FAQ */
.faq{max-width:840px;margin-top:8px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:17px;font-weight:600;color:var(--ink);transition:color .2s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--brand-600)}
.faq summary .plus{
  width:28px;height:28px;flex:none;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--brand-600);
  transition:transform .25s ease,background .25s ease,border-color .25s ease;
}
.faq details[open] summary{color:var(--brand-600)}
.faq details[open] summary .plus{transform:rotate(45deg);background:#FFF3EE;border-color:rgba(255,107,74,.4)}
.faq .answer{padding:0 4px 24px;color:var(--ink-2);max-width:720px}

/* related */
.related-box{margin-top:28px}

/* CTA */
.cta-band{
  margin:0 0 0;padding:0;
}
.cta-inner{
  background:var(--grad);border-radius:var(--r-lg);padding:48px;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:40px;align-items:center;
  box-shadow:var(--sh-brand);color:#fff;
}
.cta-inner h2{font-size:clamp(22px,2.8vw,32px);color:#fff}
.cta-inner p{margin-top:12px;color:rgba(255,255,255,.9);max-width:460px}
.form-card{background:#fff;border-radius:var(--r-md);padding:26px;box-shadow:0 16px 40px rgba(15,43,37,.16)}
.field+.field{margin-top:14px}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:7px;font-weight:600}
.field input,.field textarea{
  width:100%;height:48px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#FFFDFB;padding:0 14px;font-size:14.5px;outline:0;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical}
.field input:focus,.field textarea:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,107,74,.18)}
.field input::placeholder,.field textarea::placeholder{color:#A9B6B1}
.form-tip{margin-top:12px;font-size:12.5px;color:var(--ink-3)}

/* footer */
.site-footer{background:linear-gradient(150deg,var(--dark-1),var(--dark-2));color:#D8E5E1;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding:64px 0 44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand .brand-name{font-size:18px;color:#fff}
.footer-intro{font-size:14px;color:rgba(216,229,225,.72);max-width:340px}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-links li+li{margin-top:10px}
.footer-contact li+li{margin-top:10px}
.footer-links a,.footer-contact li{font-size:14px;color:rgba(216,229,225,.75);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:var(--brand-300);transform:translateX(2px)}
.footer-contact strong{color:#fff;font-weight:600}
.qr-box{
  margin-top:18px;width:132px;height:132px;border-radius:16px;
  border:1px dashed rgba(216,229,225,.35);display:flex;align-items:center;justify-content:center;
  text-align:center;font-size:12.5px;color:rgba(216,229,225,.7);padding:12px;line-height:1.6;
}
.footer-bottom{
  border-top:1px solid rgba(216,229,225,.14);padding:22px 0 30px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(216,229,225,.6);
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .split{grid-template-columns:1fr;gap:28px}
  .anchor-nav{position:static}
  .anchor-card{padding:16px}
  .anchor-title{display:none}
  .anchor-list{display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x proximity;padding-bottom:4px;-ms-overflow-style:none;scrollbar-width:none}
  .anchor-list::-webkit-scrollbar{display:none}
  .anchor-list li{flex:none}
  .anchor-list a{white-space:nowrap;border:1px solid var(--line);border-radius:var(--r-pill);padding:8px 16px}
  .anchor-list a::before{display:none}
  .anchor-help{display:none}
  .cta-inner{grid-template-columns:1fr;padding:36px}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;padding:52px 0 36px}
  .section{padding:64px 0}
}
@media (max-width:900px){
  .search-box{display:none}
  .search-toggle{display:flex}
  .site-header.search-open .search-box{
    display:flex;position:absolute;left:20px;right:20px;top:14px;max-width:none;z-index:70;
  }
  .header-top{position:relative}
  .header-link{display:none}
}
@media (max-width:767px){
  .header-top{height:68px;gap:14px}
  .cat-hero-inner{padding:44px 0 44px}
  .feature-row{grid-template-columns:1fr;gap:18px}
  .feature-row.rev .feature-copy{order:1}
  .feature-row.rev .feature-media{order:2}
  .compare-grid{grid-template-columns:1fr}
  .block+.block{margin-top:44px}
  .stat-band .container{padding-top:48px;padding-bottom:48px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .cta-inner{padding:28px}
  .site-footer{margin-top:64px}
}
@media (max-width:479px){
  .hero-badges{gap:8px}
  .stat-chip{padding:8px 14px;font-size:12.5px}
  .stat-chip b{font-size:19px}
  .stat-grid{grid-template-columns:1fr;gap:18px}
  .btn{width:100%}
  .pill-row .pill{font-size:13px;padding:8px 14px}
}

/* roulang page: category4 */
/* ============ 设计令牌 ============ */
:root{
  --brand-500:#FF6B4A;
  --brand-600:#F0552F;
  --brand-300:#FFB020;
  --accent-500:#12B39A;
  --accent-600:#0E8F7C;
  --bg:#FFF8F3;
  --bg-2:#F3F7F5;
  --card:#FFFFFF;
  --dark:#0F2B25;
  --dark-2:#0B201C;
  --text:#16241F;
  --text-2:#3C4F49;
  --text-3:#6B7C76;
  --line:#E7EDEA;
  --ok:#12B39A;
  --warn:#E5484D;
  --info:#FFB020;
  --grad:linear-gradient(120deg,#FF6B4A 0%,#FF9A3C 55%,#FFC93C 100%);
  --grad-soft:linear-gradient(120deg,rgba(255,107,74,.12) 0%,rgba(255,201,60,.16) 100%);
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(22,36,31,.05);
  --sh-2:0 10px 30px rgba(22,36,31,.08);
  --sh-brand:0 14px 34px rgba(255,107,74,.22);
  --nav-h:118px;
  --container:1200px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  scroll-padding-top:calc(var(--nav-h) + 20px);
}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button,input,textarea,select{font:inherit;color:inherit;}
button{border:0;background:none;cursor:pointer;}
svg{display:block;}

/* ============ 容器与通用 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:96px 0;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--bg-2);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:44px;
  flex-wrap:wrap;
}
.section-title{
  display:flex;
  align-items:center;
  gap:14px;
  font-size:clamp(24px,3.2vw,36px);
  font-weight:700;
  letter-spacing:-.2px;
}
.section-title::before{
  content:"";
  width:6px;
  height:1.05em;
  border-radius:var(--r-pill);
  background:var(--grad);
  flex:none;
}
.section-sub{
  margin-top:12px;
  color:var(--text-2);
  font-size:16px;
  max-width:720px;
}
.divider-grad{
  height:1px;
  border:0;
  margin:0;
  background:linear-gradient(90deg,rgba(255,107,74,0) 0%,rgba(255,107,74,.35) 35%,rgba(255,176,32,.35) 65%,rgba(255,201,60,0) 100%);
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background-position .35s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background-image:var(--grad);
  background-size:150% 100%;
  background-position:0% 50%;
  color:#fff;
  box-shadow:var(--sh-brand);
}
.btn-primary:hover{
  background-position:60% 50%;
  transform:translateY(-3px);
  box-shadow:0 18px 38px rgba(255,107,74,.28);
}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(255,107,74,.24);}
.btn-secondary{
  background:#fff;
  color:var(--brand-600);
  border-color:rgba(255,107,74,.42);
  box-shadow:var(--sh-1);
}
.btn-secondary:hover{
  border-color:var(--brand-500);
  color:var(--brand-600);
  transform:translateY(-3px);
  box-shadow:var(--sh-2);
}
.btn-secondary:active{transform:translateY(1px);box-shadow:var(--sh-1);}
.btn-ghost{
  background:var(--bg-2);
  color:var(--text-2);
  border-color:var(--line);
}
.btn-ghost:hover{background:#fff;color:var(--text);border-color:rgba(18,179,154,.4);transform:translateY(-2px);}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;}
.btn:focus-visible,.text-link:focus-visible,.tab:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand-500);
  outline-offset:2px;
  border-radius:999px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--brand-600);
}
.text-link svg{transition:transform .22s ease;}
.text-link:hover svg{transform:translateX(4px);}

/* ============ 页头导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,248,243,.93);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-top{
  display:flex;
  align-items:center;
  gap:26px;
  padding:14px 24px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.logo-mark{
  width:40px;
  height:40px;
  border-radius:13px;
  background:var(--grad);
  color:#fff;
  display:grid;
  place-items:center;
  font-size:16px;
  font-weight:800;
  letter-spacing:.4px;
  box-shadow:var(--sh-brand);
}
.logo-text{
  font-size:19px;
  font-weight:800;
  letter-spacing:-.2px;
  color:var(--text);
}
.search-box{
  flex:1;
  max-width:420px;
  display:flex;
  align-items:center;
  gap:8px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:6px 8px 6px 18px;
  box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:rgba(255,107,74,.5);box-shadow:0 0 0 3px rgba(255,107,74,.14);}
.search-box input{
  flex:1;
  min-width:0;
  border:0;
  outline:none;
  background:transparent;
  font-size:14.5px;
  padding:8px 0;
}
.search-box input::placeholder{color:var(--text-3);}
.search-btn{
  width:38px;
  height:38px;
  border-radius:50%;
  background:var(--grad);
  color:#fff;
  display:grid;
  place-items:center;
  flex:none;
  transition:transform .2s ease,box-shadow .2s ease;
}
.search-btn:hover{transform:translateY(-2px);box-shadow:var(--sh-brand);}
.search-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text-2);
  place-items:center;
}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:18px;
  flex:none;
}
.header-actions .btn{padding:12px 24px;}

/* 频道 tabs */
.nav-tabs{
  border-top:1px solid var(--line);
  background:rgba(255,255,255,.75);
}
.tabs-wrap{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 0;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.tabs-wrap::-webkit-scrollbar{display:none;}
.tab{
  scroll-snap-align:start;
  padding:9px 20px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  white-space:nowrap;
  border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,box-shadow .25s ease,transform .2s ease;
}
.tab:hover{background:var(--bg-2);color:var(--text);transform:translateY(-1px);}
.tab.active{
  background:var(--grad);
  color:#fff;
  box-shadow:var(--sh-brand);
}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--text-3);
  padding:22px 0 0;
  flex-wrap:wrap;
}
.crumb a{color:var(--text-2);transition:color .2s ease;}
.crumb a:hover{color:var(--brand-600);}
.crumb span.sep{color:#C7D3CE;}
.crumb .current{color:var(--brand-600);font-weight:600;}

/* ============ 页头横幅 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  background-image:linear-gradient(105deg,rgba(255,248,243,.97) 0%,rgba(255,248,243,.9) 46%,rgba(255,248,243,.45) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center right;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";
  position:absolute;
  width:420px;
  height:420px;
  right:-120px;
  top:-160px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,74,.22) 0%,rgba(255,201,60,0) 70%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
  padding:52px 0 76px;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:var(--r-pill);
  background:var(--grad-soft);
  border:1px solid rgba(255,107,74,.24);
  font-size:13px;
  font-weight:600;
  color:var(--brand-600);
  margin-bottom:22px;
}
.hero-badge .dot{
  width:7px;height:7px;border-radius:50%;background:var(--accent-500);
  box-shadow:0 0 0 4px rgba(18,179,154,.18);
}
.page-hero h1{
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.8px;
}
.hero-lead{
  margin-top:20px;
  font-size:17px;
  line-height:1.8;
  color:var(--text-2);
  max-width:560px;
}
.hero-cta{
  display:flex;
  align-items:center;
  gap:14px;
  margin-top:30px;
  flex-wrap:wrap;
}
.hero-chips{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:34px;
}
.data-chip{
  display:inline-flex;
  align-items:baseline;
  gap:7px;
  padding:9px 18px;
  border-radius:var(--r-pill);
  background:var(--grad-soft);
  border:1px solid rgba(255,107,74,.18);
  font-size:13px;
  color:var(--text-2);
  white-space:nowrap;
}
.data-chip b{
  font-size:21px;
  font-weight:800;
  line-height:1;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-collage{
  position:relative;
  height:100%;
  min-height:380px;
}
.collage-main{
  position:absolute;
  inset:0 40px 40px 0;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:0 26px 60px rgba(22,36,31,.16);
  border:1px solid rgba(255,255,255,.7);
}
.collage-main img{
  width:100%;
  height:100%;
  object-fit:cover;
  aspect-ratio:16/10;
}
.collage-main::after{
  content:"";
  position:absolute;
  inset:auto -30% -55% auto;
  width:70%;
  height:70%;
  background:radial-gradient(circle,rgba(255,201,60,.55) 0%,rgba(255,201,60,0) 68%);
}
.collage-sub{
  position:absolute;
  right:0;
  bottom:0;
  width:210px;
  border-radius:var(--r-md);
  overflow:hidden;
  border:5px solid #fff;
  box-shadow:var(--sh-2);
}
.collage-sub img{aspect-ratio:1/1;object-fit:cover;width:100%;height:100%;}

/* ============ 工具标签条 ============ */
.tag-bar{
  background:#fff;
  border-bottom:1px solid var(--line);
}
.tag-bar-inner{
  display:flex;
  align-items:center;
  gap:12px;
  padding:16px 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.tag-bar-inner::-webkit-scrollbar{display:none;}
.tag-pill{
  padding:8px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--bg-2);
  font-size:13.5px;
  color:var(--text-2);
  white-space:nowrap;
  transition:all .22s ease;
}
.tag-pill:hover{background:#fff;border-color:rgba(18,179,154,.42);color:var(--accent-600);transform:translateY(-2px);}
.tag-pill.is-on{background:rgba(18,179,154,.12);border-color:rgba(18,179,154,.3);color:var(--accent-600);font-weight:600;}

/* ============ Bento 拼版 ============ */
.bento{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:22px;
}
.bento-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.bento-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(255,107,74,.28);
}
.bento-card .thumb{
  position:relative;
  overflow:hidden;
  flex:none;
}
.bento-card .thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  aspect-ratio:16/10;
  transition:transform .5s ease;
}
.bento-card:hover .thumb img{transform:scale(1.05);}
.bento-body{
  padding:24px 26px 26px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.bento-body h3{
  font-size:20px;
  font-weight:700;
  line-height:1.4;
}
.bento-body p{
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.75;
}
.bento-foot{
  margin-top:auto;
  padding-top:14px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  font-weight:600;
  line-height:1.4;
}
.badge-soft{background:rgba(18,179,154,.12);color:var(--accent-600);}
.badge-brand{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(255,107,74,.22);}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--text-3);}
.mini-data{
  font-size:13px;
  color:var(--text-3);
}
.mini-data b{
  font-size:18px;
  font-weight:800;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  margin-right:2px;
}

/* 格子尺寸 */
.span-12{grid-column:span 12;}
.span-6{grid-column:span 6;}
.span-4{grid-column:span 4;}

.bento-card.feature{flex-direction:row;}
.bento-card.feature .thumb{width:47%;}
.bento-card.feature .thumb img{height:100%;aspect-ratio:auto;min-height:320px;}
.bento-card.feature .bento-body{padding:34px 36px;justify-content:center;}
.bento-card.feature .bento-body h3{font-size:clamp(22px,2.4vw,28px);}
.bento-card.feature .bento-body p{font-size:15.5px;max-width:520px;}

.bento-card.mid .thumb img{aspect-ratio:16/9;}
.bento-card.mid{min-height:100%;}

.bento-card.small{flex-direction:row;align-items:center;padding:0;}
.bento-card.small .thumb{width:132px;height:100%;}
.bento-card.small .thumb img{aspect-ratio:1/1;height:100%;}
.bento-card.small .bento-body{padding:22px 24px;}
.bento-card.small .bento-body h3{font-size:18px;}

.checklist{
  display:flex;
  flex-direction:column;
  gap:8px;
  margin-top:4px;
}
.checklist li{
  display:flex;
  align-items:flex-start;
  gap:9px;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.7;
}
.checklist svg{flex:none;margin-top:5px;color:var(--brand-500);}

/* ============ 工具对照列表 ============ */
.tool-list{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.tool-row{
  display:grid;
  grid-template-columns:132px 1fr 44px;
  gap:22px;
  align-items:center;
  padding:24px 30px;
  border-bottom:1px solid var(--line);
  transition:background-color .22s ease,padding-left .22s ease;
}
.tool-row:last-child{border-bottom:0;}
.tool-row:hover{background:#FFFBF8;padding-left:34px;}
.tool-age{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:8px 12px;
  border-radius:var(--r-sm);
  background:var(--grad-soft);
  border:1px solid rgba(255,107,74,.16);
  font-size:13px;
  font-weight:700;
  color:var(--brand-600);
  white-space:nowrap;
}
.tool-main h3{font-size:17px;margin-bottom:6px;}
.tool-main p{font-size:14px;color:var(--text-3);line-height:1.7;}
.tool-arrow{
  width:40px;height:40px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:var(--bg-2);
  color:var(--text-2);
  transition:all .22s ease;
}
.tool-row:hover .tool-arrow{background:var(--grad);color:#fff;transform:translateX(4px);}

/* ============ 流程 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  counter-reset:step;
}
.step-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:28px 24px;
  box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-num{
  display:grid;
  place-items:center;
  width:44px;height:44px;
  border-radius:14px;
  background:var(--grad);
  color:#fff;
  font-size:17px;
  font-weight:800;
  box-shadow:var(--sh-brand);
  margin-bottom:18px;
}
.step-card h3{font-size:18px;margin-bottom:8px;}
.step-card p{font-size:14.5px;color:var(--text-2);line-height:1.75;}

/* ============ 反馈摘录 ============ */
.voice-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.voice-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:28px;
  box-shadow:var(--sh-1);
  display:flex;
  flex-direction:column;
  gap:16px;
  transition:transform .28s ease,box-shadow .28s ease;
}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.voice-head{display:flex;align-items:center;gap:14px;}
.avatar{
  width:52px;height:52px;
  border-radius:50%;
  display:grid;place-items:center;
  font-size:18px;
  font-weight:800;
  color:#fff;
  background:linear-gradient(135deg,#FF6B4A,#FFB020);
  flex:none;
}
.avatar.alt{background:linear-gradient(135deg,#12B39A,#7ED9C4);}
.avatar.alt2{background:linear-gradient(135deg,#FF9A3C,#FFC93C);}
.voice-name{font-size:15.5px;font-weight:700;}
.voice-role{font-size:13px;color:var(--text-3);}
.stars{display:flex;gap:3px;color:var(--brand-300);}
.voice-text{font-size:15px;color:var(--text-2);line-height:1.8;}

/* ============ FAQ ============ */
.faq-wrap{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:22px 28px;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
  transition:color .2s ease,background-color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#FFFBF8;color:var(--brand-600);}
.faq-icon{
  width:30px;height:30px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:var(--grad-soft);
  color:var(--brand-600);
  flex:none;
  transition:transform .28s ease,background .28s ease;
}
.faq-item[open] summary{color:var(--brand-600);}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--grad);color:#fff;}
.faq-answer{
  padding:0 28px 24px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
  max-width:900px;
}

/* ============ 相关分类 ============ */
.rel-pills{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.rel-pill{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:13px 24px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  box-shadow:var(--sh-1);
  transition:all .24s ease;
}
.rel-pill svg{color:var(--brand-500);transition:transform .24s ease;}
.rel-pill:hover{
  transform:translateY(-3px);
  border-color:rgba(255,107,74,.35);
  color:var(--brand-600);
  box-shadow:var(--sh-2);
}
.rel-pill:hover svg{transform:translateX(3px);}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  background-image:linear-gradient(115deg,#FF6B4A 0%,#FF9A3C 52%,#FFC93C 100%);
  padding:52px 56px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
  box-shadow:0 26px 60px rgba(255,107,74,.28);
}
.cta-band::after{
  content:"";
  position:absolute;
  width:360px;height:360px;
  right:-90px;bottom:-190px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.35) 0%,rgba(255,255,255,0) 70%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:2;color:#fff;}
.cta-copy h2{
  color:#fff;
  font-size:clamp(24px,3vw,34px);
  line-height:1.3;
}
.cta-copy p{
  margin-top:14px;
  font-size:15.5px;
  line-height:1.8;
  color:rgba(255,255,255,.92);
  max-width:460px;
}
.cta-points{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.cta-points span{
  padding:7px 15px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.2);
  border:1px solid rgba(255,255,255,.4);
  font-size:13px;
  font-weight:600;
}
.cta-form{
  position:relative;
  z-index:2;
  background:#fff;
  border-radius:var(--r-md);
  padding:28px;
  box-shadow:0 18px 40px rgba(22,36,31,.16);
  display:grid;
  gap:16px;
}
.field{display:grid;gap:7px;}
.field label{font-size:13.5px;font-weight:600;color:var(--text-2);}
.field input,.field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:var(--bg-2);
  padding:0 16px;
  height:48px;
  font-size:15px;
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{
  height:auto;
  min-height:96px;
  padding:13px 16px;
  line-height:1.7;
  resize:vertical;
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field textarea:focus{
  background:#fff;
  border-color:rgba(255,107,74,.55);
  box-shadow:0 0 0 3px rgba(255,107,74,.16);
}
.form-note{
  font-size:12.5px;
  color:var(--text-3);
  line-height:1.7;
}
.form-alert{
  display:none;
  align-items:center;
  gap:8px;
  padding:11px 16px;
  border-radius:var(--r-sm);
  background:rgba(18,179,154,.12);
  color:var(--accent-600);
  font-size:13.5px;
  font-weight:600;
}
.form-alert.show{display:flex;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:100px;
  background:linear-gradient(180deg,var(--dark) 0%,var(--dark-2) 100%);
  color:rgba(255,255,255,.78);
  padding:72px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:44px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-mark{
  width:40px;height:40px;
  border-radius:13px;
  background:var(--grad);
  color:#fff;
  display:grid;place-items:center;
  font-size:16px;font-weight:800;
  flex:none;
}
.footer-brand .brand-name{font-size:19px;font-weight:800;color:#fff;}
.footer-intro{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.66);
  max-width:380px;
}
.footer-title{
  font-size:15.5px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
}
.footer-links li{margin-bottom:11px;}
.footer-links a{
  font-size:14.5px;
  color:rgba(255,255,255,.7);
  transition:color .2s ease,transform .2s ease;
  display:inline-block;
}
.footer-links a:hover{color:var(--brand-300);transform:translateX(2px);}
.footer-contact li{
  font-size:14.5px;
  margin-bottom:11px;
  color:rgba(255,255,255,.7);
}
.footer-contact strong{color:#fff;font-weight:600;}
.qr-box{
  margin-top:18px;
  width:150px;
  height:96px;
  border-radius:var(--r-sm);
  border:1px dashed rgba(255,255,255,.3);
  display:grid;
  place-items:center;
  text-align:center;
  font-size:12.5px;
  line-height:1.6;
  color:rgba(255,255,255,.6);
  padding:10px;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:24px;
  font-size:13px;
  color:rgba(255,255,255,.5);
  flex-wrap:wrap;
}

/* ============ 滚动显隐提示条 ============ */
.scroll-hint{
  font-size:13px;
  color:var(--text-3);
  display:inline-flex;
  align-items:center;
  gap:8px;
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  :root{--container:1160px;}
}
@media (max-width:1023px){
  :root{--nav-h:110px;}
  .section{padding:72px 0;}
  .hero-inner{grid-template-columns:1fr;gap:38px;padding:40px 0 60px;}
  .hero-collage{min-height:300px;}
  .collage-main{inset:0 30px 30px 0;}
  .bento-card.feature{flex-direction:column;}
  .bento-card.feature .thumb{width:100%;}
  .bento-card.feature .thumb img{min-height:220px;aspect-ratio:16/10;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .voice-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .span-6,.span-4{grid-column:span 12;}
}
@media (max-width:767px){
  :root{--nav-h:104px;}
  .container{padding:0 20px;}
  .header-top{padding:12px 20px;gap:14px;}
  .search-box{display:none;}
  .site-header.search-open .search-box{
    display:flex;
    position:absolute;
    left:20px;right:20px;
    top:66px;
    max-width:none;
    z-index:9;
  }
  .search-toggle{display:grid;}
  .header-actions .btn{padding:10px 18px;font-size:14px;}
  .header-actions{gap:10px;}
  .header-actions .text-link{display:none;}
  .tab{padding:8px 15px;font-size:14px;}
  .section{padding:56px 0;}
  .page-hero h1{font-size:clamp(28px,7vw,36px);}
  .hero-chips{gap:9px;}
  .data-chip{padding:8px 14px;font-size:12.5px;}
  .data-chip b{font-size:18px;}
  .bento-card .bento-body{padding:20px;}
  .bento-card.feature .bento-body{padding:24px;}
  .bento-card.small{flex-direction:column;}
  .bento-card.small .thumb{width:100%;}
  .bento-card.small .thumb img{aspect-ratio:16/9;height:auto;}
  .tool-row{grid-template-columns:1fr;gap:12px;padding:20px;}
  .tool-arrow{display:none;}
  .steps{grid-template-columns:1fr;}
  .faq-item summary{padding:18px 20px;font-size:15.5px;}
  .faq-answer{padding:0 20px 20px;}
  .cta-band{padding:32px 22px;border-radius:var(--r-md);}
  .cta-form{padding:22px;}
  .site-footer{margin-top:64px;padding:52px 0 24px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:479px){
  .logo-text{font-size:17px;}
  .logo-mark{width:36px;height:36px;border-radius:11px;font-size:15px;}
  .rel-pill{padding:11px 18px;font-size:14px;}
  .hero-cta .btn{width:100%;}
}