/* roulang page: index */
/* ================= 设计变量 ================= */
:root{
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --ink:#14231F;
  --teal:#0DB5A2;
  --teal-deep:#088577;
  --amber:#FFB020;
  --violet:#6C4CF1;
  --coral:#FF6B5A;
  --text:#1B1B1F;
  --muted:#5A5A66;
  --soft:#8A8A99;
  --line:#E8E6E1;
  --divider:#F0EEE9;
  --grad:linear-gradient(135deg,#0DB5A2 0%,#6C4CF1 100%);
  --grad-warm:linear-gradient(135deg,#FFB020 0%,#FF6B5A 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(16,24,40,.06);
  --sh-md:0 12px 32px rgba(16,24,40,.08);
  --sh-lg:0 24px 60px rgba(16,24,40,.12);
  --stamp:6px 6px 0 rgba(20,35,31,.10);
  --section-y:96px;
}

/* ================= 基础 reset ================= */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:120px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background-color:var(--paper);
  background-image:radial-gradient(rgba(20,35,31,.045) 1px,transparent 1px);
  background-size:22px 22px;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--violet);}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.25;}
h1{font-size:clamp(2.1rem,4.6vw,3.4rem);line-height:1.15;letter-spacing:-.01em;}
h2{font-size:clamp(1.6rem,3vw,2.3rem);}
h3{font-size:1.25rem;font-weight:600;line-height:1.4;}
h4{font-size:1.05rem;font-weight:600;line-height:1.5;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
time{font-variant-numeric:tabular-nums;}
::selection{background:rgba(108,76,241,.18);}

/* ================= 容器与通用 ================= */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:var(--section-y) 0;}
.section-alt{background:rgba(255,255,255,.55);border-top:1px solid var(--divider);border-bottom:1px solid var(--divider);}
.section-head{max-width:720px;margin:0 0 44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8rem;font-weight:600;letter-spacing:.14em;
  color:var(--teal-deep);
  padding:5px 14px;border:1.5px solid rgba(13,181,162,.34);
  border-radius:var(--r-pill);background:rgba(13,181,162,.08);
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal);}
.section-head h2{margin-bottom:14px;}
.section-head h2 u{
  text-decoration:none;position:relative;display:inline-block;
}
.section-head h2 u::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:6px;
  background:var(--grad);opacity:.22;border-radius:3px;z-index:-1;
}
.section-sub{color:var(--muted);font-size:1rem;line-height:1.8;}

/* ================= 浮动 Dock 导航 ================= */
.dock-wrap{
  position:fixed;top:16px;left:0;width:100%;z-index:90;
  display:flex;justify-content:center;padding:0 16px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:100%;max-width:1120px;
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 18px;
  background:rgba(255,255,255,.93);
  border:2px solid var(--ink);
  border-radius:var(--r-pill);
  box-shadow:0 10px 30px rgba(20,35,31,.13);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  transition:box-shadow .25s ease,background .25s ease;
}
.dock-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;flex-shrink:0;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:.95rem;font-weight:800;
  box-shadow:2px 2px 0 rgba(20,35,31,.18);
}
.logo-text{font-size:1rem;font-weight:700;color:var(--ink);letter-spacing:.01em;white-space:nowrap;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:6px;}
.dock-nav a{
  position:relative;
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:.94rem;font-weight:500;color:var(--muted);
  transition:color .18s ease,background .18s ease;
}
.dock-nav a:hover{color:var(--ink);background:rgba(13,181,162,.08);}
.dock-nav a.is-active{color:var(--ink);font-weight:700;}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:3px;
  border-radius:2px;background:var(--grad);
}
.dock-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.dock-search{
  width:34px;height:34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1.5px solid var(--line);color:var(--muted);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.dock-search:hover{border-color:var(--teal);color:var(--teal-deep);background:rgba(13,181,162,.08);}
.dock-cta{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 20px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;font-size:.9rem;font-weight:600;
  border:2px solid transparent;
  box-shadow:3px 3px 0 rgba(108,76,241,.24);
  transition:transform .18s ease,box-shadow .18s ease;
}
.dock-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:5px 5px 0 rgba(108,76,241,.28);}
.dock-cta:active{transform:translateY(1px);box-shadow:2px 2px 0 rgba(108,76,241,.24);}
.dock-cta:focus-visible{outline:2px solid var(--violet);outline-offset:3px;}
.dock-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1.5px solid var(--line);flex-direction:column;
  align-items:center;justify-content:center;gap:4px;
}
.dock-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease;}
.dock-open .dock-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.dock-open .dock-toggle span:nth-child(2){opacity:0;}
.dock-open .dock-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);
  font-size:.97rem;font-weight:600;letter-spacing:.01em;
  border:2px solid var(--ink);background:#fff;color:var(--ink);
  box-shadow:var(--stamp);
  transition:transform .18s ease,box-shadow .18s ease,color .18s ease,background .18s ease;
}
.btn:hover{transform:translateY(-2px);color:var(--ink);box-shadow:9px 9px 0 rgba(20,35,31,.15);}
.btn:active{transform:translateY(1px);box-shadow:3px 3px 0 rgba(20,35,31,.12);}
.btn:focus-visible{outline:2px solid var(--violet);outline-offset:3px;}
.btn-primary{background:var(--grad);border-color:transparent;color:#fff;box-shadow:6px 6px 0 rgba(108,76,241,.22);}
.btn-primary:hover{color:#fff;box-shadow:9px 9px 0 rgba(108,76,241,.26);}
.btn-ghost{background:#fff;border-color:var(--ink);}
.btn-sm{padding:9px 18px;font-size:.88rem;}

/* ================= 首屏 Hero ================= */
.hero{
  position:relative;
  padding:150px 0 76px;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;top:-160px;right:-140px;width:520px;height:520px;
  border-radius:50%;background:radial-gradient(circle,rgba(13,181,162,.20),rgba(13,181,162,0) 68%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:-180px;left:-160px;width:460px;height:460px;
  border-radius:50%;background:radial-gradient(circle,rgba(108,76,241,.16),rgba(108,76,241,0) 70%);
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;
}
.hero-copy h1{margin:0 0 20px;}
.hero-copy h1 em{
  font-style:normal;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:var(--violet);
}
.hero-sub{font-size:1.05rem;line-height:1.85;color:var(--muted);max-width:600px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  font-size:.85rem;font-weight:500;color:var(--ink);
  background:rgba(13,181,162,.10);
  border:1px solid rgba(13,181,162,.24);
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal);flex-shrink:0;}
.badge.warm{background:rgba(255,176,32,.14);border-color:rgba(255,176,32,.32);}
.badge.warm::before{background:var(--amber);}
.badge b{font-weight:800;font-variant-numeric:tabular-nums;margin-right:2px;}

.hero-art{position:relative;}
.art-frame{
  border:2px solid var(--ink);border-radius:var(--r-xl);
  overflow:hidden;background:#fff;
  box-shadow:12px 12px 0 rgba(20,35,31,.12);
  transform:rotate(-1.2deg);
}
.art-frame img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.art-chip{
  position:absolute;left:-18px;bottom:34px;
  background:#fff;border:2px solid var(--ink);border-radius:var(--r-md);
  padding:12px 18px;box-shadow:6px 6px 0 rgba(20,35,31,.14);
  display:flex;flex-direction:column;gap:2px;
  transform:rotate(1.6deg);
}
.art-chip strong{font-size:1.5rem;font-weight:800;color:var(--teal-deep);font-variant-numeric:tabular-nums;line-height:1.1;}
.art-chip span{font-size:.8rem;color:var(--muted);}
.art-tag{
  position:absolute;right:-10px;top:-14px;
  background:var(--grad-warm);color:#fff;
  font-size:.8rem;font-weight:700;letter-spacing:.08em;
  padding:7px 16px;border-radius:var(--r-pill);
  box-shadow:4px 4px 0 rgba(20,35,31,.16);
  transform:rotate(2deg);
}

/* ================= 卡片通用 ================= */
.card{
  position:relative;
  background:var(--card);
  border:2px solid var(--ink);
  border-radius:var(--r-lg);
  box-shadow:var(--stamp);
  padding:30px 26px;
  transition:transform .22s ease,box-shadow .22s ease;
  overflow:hidden;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:var(--grad);opacity:0;transition:opacity .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:11px 11px 0 rgba(20,35,31,.14);}
.card:hover::before{opacity:1;}
.card h3{margin-bottom:10px;}
.card p{color:var(--muted);font-size:.95rem;line-height:1.8;}

/* ================= 痛点区 ================= */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.pain-icon{
  width:46px;height:46px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.25rem;font-weight:800;color:#fff;
  background:var(--grad-warm);
  box-shadow:3px 3px 0 rgba(20,35,31,.16);
  margin-bottom:18px;
}
.pain-card:nth-child(2) .pain-icon{background:linear-gradient(135deg,#0DB5A2,#088577);}
.pain-card:nth-child(3) .pain-icon{background:linear-gradient(135deg,#6C4CF1,#4A32B8);}
.pain-tag{
  display:inline-block;font-size:.76rem;font-weight:600;letter-spacing:.1em;
  color:var(--coral);margin-bottom:8px;
}

/* ================= 解决方案 / 步骤 ================= */
.solution-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.solution-media{
  position:relative;border:2px solid var(--ink);border-radius:var(--r-xl);
  overflow:hidden;background:#fff;box-shadow:10px 10px 0 rgba(20,35,31,.12);
}
.solution-media img{width:100%;aspect-ratio:5/4;object-fit:cover;}
.solution-media .media-note{
  position:absolute;left:16px;bottom:16px;right:16px;
  background:rgba(20,35,31,.86);color:#E9F3F0;
  border-radius:var(--r-md);padding:12px 16px;
  font-size:.85rem;line-height:1.7;
  backdrop-filter:blur(3px);
}
.steps{display:flex;flex-direction:column;gap:18px;}
.step{
  display:flex;gap:18px;align-items:flex-start;
  background:#fff;border:2px solid var(--ink);border-radius:var(--r-lg);
  padding:22px 24px;box-shadow:var(--stamp);
  transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateX(4px);box-shadow:9px 9px 0 rgba(20,35,31,.13);}
.step-num{
  flex-shrink:0;width:48px;height:48px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:1rem;font-weight:800;font-variant-numeric:tabular-nums;
  color:#fff;background:var(--grad);
  box-shadow:3px 3px 0 rgba(20,35,31,.18);
}
.step:nth-child(2) .step-num{background:linear-gradient(135deg,#FFB020,#FF6B5A);}
.step:nth-child(3) .step-num{background:linear-gradient(135deg,#088577,#0DB5A2);}
.step h3{font-size:1.1rem;margin-bottom:6px;}
.step p{color:var(--muted);font-size:.94rem;line-height:1.75;}

/* ================= 成果 / 数据区 ================= */
.result-band{
  position:relative;
  background:var(--ink);
  color:#DCE8E4;
  padding:var(--section-y) 0;
  border-radius:0;
  overflow:hidden;
}
.result-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.7;pointer-events:none;
}
.result-band .wrap{position:relative;z-index:2;}
.result-band .eyebrow{color:#7FE3D5;border-color:rgba(127,227,213,.34);background:rgba(127,227,213,.10);}
.result-band .eyebrow::before{background:#7FE3D5;}
.result-band h2{color:#fff;}
.result-band .section-sub{color:#9FB4AE;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:8px;}
.stat-card{
  background:rgba(255,255,255,.055);
  border:1.5px solid rgba(255,255,255,.14);
  border-radius:var(--r-lg);
  padding:26px 22px;
  transition:transform .22s ease,border-color .22s ease,background .22s ease;
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(127,227,213,.45);background:rgba(255,255,255,.09);}
.stat-num{
  font-size:clamp(2rem,3.2vw,2.7rem);font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;color:#fff;
  display:flex;align-items:baseline;gap:2px;margin-bottom:8px;
}
.stat-num span{font-size:1.1rem;font-weight:700;color:var(--amber);}
.stat-label{font-size:.9rem;color:#9FB4AE;margin-bottom:16px;}
.meter{height:7px;border-radius:var(--r-pill);background:rgba(255,255,255,.12);overflow:hidden;}
.meter span{display:block;height:100%;border-radius:var(--r-pill);background:var(--grad);}
.stat-card:nth-child(2) .meter span{background:var(--grad-warm);}
.stat-card:nth-child(4) .meter span{background:linear-gradient(135deg,#6C4CF1,#0DB5A2);}

/* ================= 客户证言 ================= */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.quote-card{display:flex;flex-direction:column;gap:18px;}
.quote-text{font-size:.98rem;line-height:1.85;color:var(--text);}
.quote-text::before{content:"“";font-size:2rem;line-height:0;color:var(--teal);vertical-align:-6px;margin-right:2px;}
.quote-person{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px dashed var(--line);margin-top:auto;}
.avatar{
  width:42px;height:42px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;color:#fff;font-size:.9rem;
  background:var(--grad);border:2px solid var(--ink);
}
.quote-card:nth-child(2) .avatar{background:linear-gradient(135deg,#FFB020,#FF6B5A);}
.quote-card:nth-child(3) .avatar{background:linear-gradient(135deg,#6C4CF1,#4A32B8);}
.person-name{font-size:.92rem;font-weight:700;color:var(--ink);line-height:1.4;}
.person-role{font-size:.8rem;color:var(--soft);line-height:1.4;}

/* ================= 最新信息（CMS） ================= */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.post-card{
  background:#fff;border:2px solid var(--ink);border-radius:var(--r-lg);
  box-shadow:var(--stamp);overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:11px 11px 0 rgba(20,35,31,.14);}
.post-inner{display:flex;flex-direction:column;height:100%;padding:24px 22px;gap:12px;}
.post-badge{
  align-self:flex-start;
  font-size:.75rem;font-weight:700;letter-spacing:.06em;
  color:var(--teal-deep);
  background:rgba(13,181,162,.10);
  border:1px solid rgba(13,181,162,.26);
  border-radius:var(--r-pill);
  padding:4px 12px;
}
.post-title{
  font-size:1.06rem;font-weight:700;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s ease;
}
.post-card:hover .post-title{color:var(--violet);}
.post-sum{
  font-size:.9rem;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:.82rem;color:var(--soft);
}
.post-more{color:var(--teal-deep);font-weight:600;}
.post-card:hover .post-more{color:var(--violet);}
.empty-state{
  grid-column:1 / -1;
  text-align:center;padding:56px 24px;
  border:2px dashed var(--line);border-radius:var(--r-lg);
  color:var(--muted);background:rgba(255,255,255,.6);font-size:.96rem;
}

/* ================= FAQ ================= */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:#fff;border:2px solid var(--ink);border-radius:var(--r-lg);
  margin-bottom:14px;box-shadow:var(--stamp);overflow:hidden;
  transition:box-shadow .2s ease;
}
.faq-item:hover{box-shadow:9px 9px 0 rgba(20,35,31,.13);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;
  font-size:1.02rem;font-weight:600;color:var(--ink);line-height:1.6;
  min-height:44px;
}
.faq-q:focus-visible{outline:2px solid var(--violet);outline-offset:-4px;}
.faq-icon{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:1.15rem;font-weight:700;line-height:1;
  color:var(--teal-deep);border:1.5px solid rgba(13,181,162,.35);
  background:rgba(13,181,162,.08);
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item.is-open .faq-icon{background:var(--grad);color:#fff;border-color:transparent;transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a p{
  padding:0 24px 22px;
  color:var(--muted);font-size:.95rem;line-height:1.85;
  border-top:1px dashed var(--divider);
  padding-top:16px;
  margin:0 0 0;
}
.faq-item.is-open{border-color:var(--ink);}

/* ================= CTA 区 ================= */
.cta-band{padding:0 0 var(--section-y);}
.cta-box{
  position:relative;overflow:hidden;
  border:2px solid var(--ink);border-radius:var(--r-xl);
  background:var(--grad);
  padding:64px 48px;
  text-align:center;
  box-shadow:12px 12px 0 rgba(20,35,31,.14);
}
.cta-box::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:24px 24px;opacity:.6;
}
.cta-box > *{position:relative;z-index:2;}
.cta-box h2{color:#fff;margin-bottom:16px;}
.cta-box p{
  color:rgba(255,255,255,.92);max-width:620px;margin:0 auto 30px;
  font-size:1rem;line-height:1.85;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.cta-box .btn-ghost{background:rgba(255,255,255,.94);border-color:var(--ink);}
.cta-box .btn-primary{background:#14231F;border-color:#14231F;box-shadow:6px 6px 0 rgba(20,35,31,.28);}
.cta-box .btn-primary:hover{box-shadow:9px 9px 0 rgba(20,35,31,.34);}

/* ================= 页脚 ================= */
.site-footer{
  position:relative;
  background:var(--ink);
  color:#C6D6D1;
  padding:72px 0 26px;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:var(--grad);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:44px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand .dock-logo{margin-bottom:18px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{font-size:.9rem;line-height:1.85;color:#8FA5A0;max-width:320px;}
.footer-col h4{color:#fff;font-size:.95rem;margin-bottom:18px;letter-spacing:.02em;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:.9rem;color:#9FB4AE;transition:color .18s ease,padding-left .18s ease;}
.footer-col a:hover{color:var(--amber);padding-left:4px;}
.footer-col span{font-size:.9rem;color:#8FA5A0;}
.footer-bottom{
  padding-top:24px;display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;
  font-size:.84rem;color:#7B908B;
}
.footer-bottom a{color:#9FB4AE;}
.footer-bottom a:hover{color:var(--amber);}

/* ================= 返回顶部 ================= */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:80;
  width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:2px solid var(--ink);color:var(--ink);
  font-size:1.1rem;font-weight:700;
  box-shadow:4px 4px 0 rgba(20,35,31,.16);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{color:var(--teal-deep);box-shadow:6px 6px 0 rgba(20,35,31,.2);}
.to-top:focus-visible{outline:2px solid var(--violet);outline-offset:3px;}

/* ================= 响应式 ================= */
@media (max-width:1024px){
  :root{--section-y:64px;}
  .dock{max-width:960px;padding:9px 10px 9px 16px;gap:12px;}
  .dock-nav a{padding:8px 11px;font-size:.9rem;}
  .hero{padding:132px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-art{max-width:560px;}
  .solution-grid{grid-template-columns:1fr;gap:40px;}
  .pain-grid{grid-template-columns:repeat(2,1fr);}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .quote-grid{grid-template-columns:repeat(2,1fr);}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:34px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:900px){
  .dock-wrap{top:10px;padding:0 12px;}
  .dock{flex-wrap:wrap;border-radius:26px;padding:10px 12px;gap:10px;}
  .dock-nav{
    display:none;order:4;width:100%;flex-direction:column;
    align-items:stretch;gap:2px;margin:8px 0 0;
    padding-top:10px;border-top:1px dashed var(--line);
  }
  .dock-open .dock-nav{display:flex;}
  .dock-nav a{padding:12px 14px;border-radius:14px;font-size:.96rem;}
  .dock-nav a.is-active::after{left:14px;right:auto;width:26px;bottom:9px;}
  .dock-actions{margin-left:auto;}
  .dock-toggle{display:flex;}
  .dock-cta{padding:9px 16px;font-size:.86rem;}
}
@media (max-width:768px){
  :root{--section-y:48px;}
  .hero{padding:118px 0 48px;}
  .hero-badges{gap:8px;}
  .badge{font-size:.8rem;padding:7px 13px;}
  .card{padding:24px 20px;border-radius:20px;}
  .step{padding:18px 18px;gap:14px;}
  .step-num{width:42px;height:42px;border-radius:12px;font-size:.9rem;}
  .cta-box{padding:44px 24px;border-radius:24px;}
  .site-footer{padding:56px 0 22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .to-top{right:14px;bottom:18px;}
}
@media (max-width:640px){
  .wrap{padding:0 18px;}
  .pain-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;}
  .quote-grid{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:1fr;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .art-chip{left:8px;bottom:16px;}
  .faq-q{padding:18px 18px;font-size:.97rem;}
  .faq-a p{padding:16px 18px 20px;}
}

/* roulang page: article */
:root{
  --brand:#0DB5A2;
  --brand-deep:#088577;
  --amber:#FFB020;
  --coral:#FF6B5A;
  --violet:#6C4CF1;
  --grad:linear-gradient(135deg,#0DB5A2 0%,#6C4CF1 100%);
  --grad-warm:linear-gradient(135deg,#FFB020 0%,#FF6B5A 100%);
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --ink:#1B1B1F;
  --ink-2:#5A5A66;
  --ink-3:#8A8A99;
  --line:#E8E6E1;
  --line-soft:#F0EEE9;
  --dark:#14231F;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-img:18px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(16,24,40,.06);
  --sh-md:0 12px 32px rgba(16,24,40,.08);
  --sh-lg:0 24px 60px rgba(16,24,40,.12);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px;
  --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand-deep);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--violet)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums}

/* ---------- Dock 导航 ---------- */
header.dock{
  position:sticky;
  top:14px;
  z-index:80;
  width:calc(100% - 32px);
  max-width:1120px;
  margin:14px auto 0;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 14px 10px 16px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-md);
  transition:box-shadow .25s ease,background .25s ease;
}
header.dock.is-scrolled{box-shadow:var(--sh-lg);background:rgba(255,255,255,.97)}
.dock-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.dock-logo:hover{color:var(--ink)}
.logo-mark{
  width:32px;height:32px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 6px 16px rgba(13,181,162,.28);
}
.logo-text{font-size:16px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.dock-nav a{
  position:relative;
  padding:8px 14px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  color:var(--ink-2);
  font-weight:500;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.dock-nav a:hover{background:rgba(13,181,162,.09);color:var(--brand-deep)}
.dock-nav a.is-active{color:var(--ink);font-weight:700;background:rgba(13,181,162,.10)}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:20px;height:3px;border-radius:var(--r-pill);background:var(--grad);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-search{
  width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-2);border:1px solid var(--line);background:#fff;
  transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.dock-search:hover{color:var(--brand-deep);border-color:rgba(13,181,162,.45);transform:translateY(-1px)}
.dock-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:9px 20px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;font-size:14.5px;font-weight:600;
  box-shadow:0 8px 22px rgba(13,181,162,.26);
  transition:transform .2s ease,box-shadow .2s ease;
}
.dock-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(108,76,241,.28)}
.dock-cta:active{transform:translateY(1px)}
.dock-toggle{
  display:none;width:38px;height:38px;border-radius:12px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.dock-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink-2)}

/* ---------- 面包屑 ---------- */
.article-main{padding:0 0 8px}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--ink-3);
  margin:26px 0 16px;
}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--brand-deep)}
.crumbs .sep{color:#C9C7C1}
.crumb-cat{color:var(--brand-deep);font-weight:600}
.crumb-cur{max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-3)}

/* ---------- 文章头部 ---------- */
.post-head{
  position:relative;
  overflow:hidden;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-md);
  padding:38px 42px 32px;
}
.post-head::before{
  content:"";position:absolute;top:0;left:0;right:0;height:6px;background:var(--grad);
}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:rgba(13,181,162,.10);
  border:1px solid rgba(13,181,162,.22);
  color:var(--brand-deep);font-size:13px;font-weight:600;
}
.badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand)}
.badge.warm{background:rgba(255,176,32,.14);border-color:rgba(255,176,32,.32);color:#9A6200}
.badge.warm::before{background:var(--amber)}
.post-head h1{
  margin:18px 0 0;
  font-size:clamp(1.85rem,3.6vw,2.75rem);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.2px;
  color:var(--ink);
}
.post-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
  margin-top:20px;padding-top:18px;
  border-top:1px dashed var(--line);
  font-size:13.5px;color:var(--ink-3);
}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:#D8D6D0}
.post-meta b{color:var(--ink-2);font-weight:600}

/* ---------- 正文 ---------- */
.article-body{
  max-width:820px;
  margin:24px auto 0;
  padding:44px 46px 40px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  font-size:1.06rem;
  line-height:1.9;
  color:#26262C;
}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  position:relative;
  margin:2.2em 0 .85em;
  padding-bottom:14px;
  font-size:clamp(1.35rem,2.4vw,1.75rem);
  line-height:1.35;
  font-weight:700;
  color:var(--ink);
}
.article-body h2::after{
  content:"";position:absolute;left:0;bottom:0;
  width:66px;height:4px;border-radius:var(--r-pill);background:var(--grad);
}
.article-body h3{
  margin:1.7em 0 .6em;
  font-size:1.2rem;line-height:1.45;font-weight:600;color:var(--ink);
}
.article-body h4{margin:1.4em 0 .5em;font-size:1.05rem;font-weight:600;color:var(--ink-2)}
.article-body p{margin:0 0 1.15em}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.35em;list-style:revert}
.article-body li{margin-bottom:.55em}
.article-body li::marker{color:var(--brand)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body a{
  color:var(--violet);
  border-bottom:1px solid rgba(108,76,241,.35);
  padding-bottom:1px;
}
.article-body a:hover{color:var(--brand-deep);border-bottom-color:rgba(13,181,162,.5)}
.article-body img{
  width:100%;border-radius:var(--r-img);
  margin:1.8em 0;box-shadow:var(--sh-md);
}
.article-body blockquote{
  position:relative;
  margin:1.9em 0;
  padding:20px 26px 20px 28px;
  background:#FBFAF7;
  border:1px solid var(--line);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--ink-2);
}
.article-body blockquote::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.7em 0;
  font-size:.96rem;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
}
.article-body thead th{background:rgba(13,181,162,.09);color:var(--brand-deep)}
.article-body th,.article-body td{
  padding:12px 15px;text-align:left;border-bottom:1px solid var(--line-soft);
}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body tbody tr:hover{background:#FCFBF8}
.article-body code{
  padding:2px 7px;border-radius:7px;
  background:rgba(108,76,241,.09);color:var(--violet);
  font-size:.9em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  margin:1.7em 0;padding:20px 22px;border-radius:var(--r-md);
  background:var(--dark);color:#DCEFEA;overflow-x:auto;
  font-size:.92rem;line-height:1.7;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:2.4em 0}

/* 正文空态 */
.empty-note{
  padding:34px 30px;border-radius:var(--r-md);
  border:1px dashed var(--line);
  background:#FBFAF7;text-align:center;
}
.empty-note h2{
  margin:0 0 10px;font-size:1.25rem;font-weight:700;color:var(--ink);
  padding:0;
}
.empty-note h2::after{display:none}
.empty-note p{color:var(--ink-2);margin-bottom:20px}

/* ---------- 文章底部 ---------- */
.post-foot{
  max-width:820px;margin:22px auto 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 24px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-sm);
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:13px;color:var(--ink-2);
  background:#F6F5F1;border:1px solid var(--line);
}
.tag:hover{color:var(--brand-deep);border-color:rgba(13,181,162,.4)}
.link-back{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand-deep);
}
.link-back:hover{color:var(--violet)}

/* ---------- 相关推荐 ---------- */
.related{padding:var(--sp-8) 0 var(--sp-6)}
.sec-head{max-width:640px;margin-bottom:32px}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:1px;
  color:var(--brand-deep);text-transform:uppercase;margin-bottom:12px;
}
.sec-eyebrow::before{content:"";width:22px;height:3px;border-radius:var(--r-pill);background:var(--grad)}
.sec-head h2{font-size:clamp(1.45rem,2.6vw,2rem);font-weight:700;line-height:1.3;color:var(--ink)}
.sec-head p{margin-top:12px;color:var(--ink-2);font-size:15px}
.rel-card{
  position:relative;
  display:flex;flex-direction:column;height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-md);
  transition:transform .25s ease,box-shadow .25s ease;
}
.rel-card::after{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad);opacity:0;transition:opacity .25s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-lg)}
.rel-card:hover::after{opacity:1}
.rel-thumb{aspect-ratio:16 / 10;overflow:hidden;background:#EFEDE7}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.rel-body h3{font-size:1.12rem;font-weight:600;line-height:1.45;color:var(--ink)}
.rel-card:hover h3{color:var(--violet)}
.rel-body p{font-size:14px;color:var(--ink-2);line-height:1.75}
.rel-more{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:13.5px;font-weight:600;color:var(--brand-deep);
}
.rel-card:hover .rel-more{color:var(--violet)}

/* ---------- CTA ---------- */
.cta-band{
  margin:var(--sp-6) 0 var(--sp-8);
  border-radius:var(--r-lg);
  padding:46px 44px;
  background:var(--grad);
  color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  box-shadow:0 28px 60px rgba(13,181,162,.28);
}
.cta-band h2{font-size:clamp(1.35rem,2.5vw,1.9rem);font-weight:700;color:#fff}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.9);font-size:15px;max-width:520px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-white{background:#fff;color:var(--brand-deep)}
.btn-white:hover{color:var(--violet);transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.16)}
.btn-white:active{transform:translateY(1px)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.24);transform:translateY(-2px)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:var(--sp-8);background:var(--dark);color:#C9D6D2;padding:var(--sp-8) 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand .dock-logo{color:#fff}
.footer-brand .logo-text{color:#fff}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#93A6A1;max-width:340px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:#93A6A1}
.footer-col a:hover{color:var(--amber)}
.footer-col span{font-size:14px;color:#93A6A1}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  font-size:13px;color:#7C8F8A;
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:70;
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--brand-deep);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-md);cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{color:var(--violet);transform:translateY(-2px)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .article-body{padding:36px 34px 34px}
  .post-head{padding:32px 32px 28px}
}
@media (max-width:900px){
  header.dock{gap:12px;padding:10px 12px}
  .dock-nav{
    position:absolute;left:8px;right:8px;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--line);border-radius:20px;
    padding:12px;box-shadow:var(--sh-lg);
    display:none;
  }
  .dock-nav.is-open{display:flex}
  .dock-nav a{padding:12px 14px;font-size:15px}
  .dock-nav a.is-active::after{left:14px;transform:none;width:22px}
  .dock-toggle{display:inline-flex}
  .dock-cta{display:none}
  .cta-band{padding:34px 26px}
}
@media (max-width:768px){
  .crumbs{margin:22px 0 14px;font-size:13px}
  .crumb-cur{max-width:34ch}
  .post-head{padding:26px 22px 22px;border-radius:20px}
  .post-head h1{font-size:1.6rem}
  .article-body{padding:28px 22px;border-radius:20px;font-size:1.02rem}
  .post-foot{padding:16px 18px}
  .related{padding:var(--sp-7) 0 var(--sp-5)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding-bottom:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  header.dock{width:calc(100% - 24px);top:10px;margin-top:10px}
  .logo-text{font-size:15px}
  .post-head h1{font-size:1.42rem}
  .article-body{padding:24px 18px;font-size:1rem}
  .article-body h2{font-size:1.24rem}
  .cta-band{padding:28px 20px;border-radius:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .to-top{right:14px;bottom:16px}
}

/* roulang page: category1 */
:root{
  --brand:#0DB5A2;
  --brand-deep:#088577;
  --amber:#FFB020;
  --violet:#6C4CF1;
  --coral:#FF6B5A;
  --grad:linear-gradient(135deg,#0DB5A2 0%,#6C4CF1 100%);
  --warm:linear-gradient(135deg,#FFB020 0%,#FF6B5A 100%);
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --dark:#14231F;
  --ink:#1B1B1F;
  --ink-2:#5A5A66;
  --ink-3:#8A8A99;
  --line:#E8E6E1;
  --line-2:#F0EEE9;
  --r-lg:24px;
  --r-md:16px;
  --r-img:18px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(16,24,40,.06);
  --sh-md:0 12px 32px rgba(16,24,40,.08);
  --sh-lg:0 24px 60px rgba(16,24,40,.12);
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px; --s6:32px; --s7:48px; --s8:64px; --s9:96px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--brand-deep);text-decoration:none;transition:color .2s ease}
a:hover,a:focus{color:var(--violet)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.2px}
h1{font-size:clamp(2.1rem,4.6vw,3.4rem);line-height:1.15}
h2{font-size:clamp(1.6rem,3vw,2.3rem);line-height:1.25}
h3{font-size:1.25rem;line-height:1.4;font-weight:600}
h4{font-size:1.05rem;line-height:1.5;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.bg-soft{background:#FDFCF9;border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}

/* ============ Dock 导航 ============ */
.dock{
  position:sticky;
  top:14px;
  z-index:80;
  display:flex;
  align-items:center;
  gap:18px;
  width:calc(100% - 40px);
  max-width:1120px;
  margin:16px auto 0;
  padding:10px 12px 10px 18px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-md);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
}
.dock-logo{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;flex:0 0 auto}
.dock-logo:hover{color:var(--ink)}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:11px;
  background:var(--grad);
  color:#fff;font-size:16px;font-weight:700;
  box-shadow:0 6px 16px rgba(13,181,162,.28);
  flex:0 0 auto;
}
.logo-text{font-size:1rem;letter-spacing:.4px;white-space:nowrap}
.dock-nav{
  display:flex;align-items:center;gap:6px;
  margin-left:auto;
  flex:1 1 auto;
  justify-content:center;
}
.dock-nav a{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  border-radius:var(--r-pill);
  color:var(--ink-2);
  font-size:.94rem;
  font-weight:500;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.dock-nav a:hover{color:var(--brand-deep);background:rgba(13,181,162,.08)}
.dock-nav a.is-active{color:var(--ink);font-weight:700}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:22px;height:3px;border-radius:999px;background:var(--grad);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-search{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:50%;
  color:var(--ink-2);border:1px solid var(--line);background:#fff;
  transition:color .2s,border-color .2s,transform .2s;
}
.dock-search:hover{color:var(--brand-deep);border-color:var(--brand);transform:translateY(-1px)}
.dock-cta{
  display:inline-flex;align-items:center;
  padding:10px 20px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;font-size:.9rem;font-weight:600;
  box-shadow:0 8px 20px rgba(13,181,162,.26);
  transition:transform .2s,box-shadow .2s,color .2s;
}
.dock-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(108,76,241,.3)}
.dock-cta:active{transform:translateY(1px)}
.dock-toggle{
  display:none;flex-direction:column;justify-content:center;gap:4px;
  width:40px;height:40px;padding:0 10px;
  border:1px solid var(--line);border-radius:14px;background:#fff;cursor:pointer;
}
.dock-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink-2);transition:transform .25s,opacity .25s}
.dock.is-open .dock-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.dock.is-open .dock-toggle span:nth-child(2){opacity:0}
.dock.is-open .dock-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ 通用组件 ============ */
.tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:var(--r-pill);
  background:rgba(13,181,162,.10);
  border:1px solid rgba(13,181,162,.22);
  color:var(--brand-deep);
  font-size:.82rem;font-weight:600;letter-spacing:.6px;
}
.tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand)}
.tag-warm{background:rgba(255,176,32,.14);border-color:rgba(255,176,32,.3);color:#9A6100}
.tag-warm::before{background:var(--amber)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:var(--r-pill);
  font-size:.95rem;font-weight:600;line-height:1.4;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(13,181,162,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 38px rgba(108,76,241,.32)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--sh-sm)}
.btn:active{transform:translateY(1px)}
.btn-block{width:100%}

.badge-row{display:flex;flex-wrap:wrap;gap:12px}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--r-pill);
  background:rgba(13,181,162,.10);
  border:1px solid rgba(13,181,162,.2);
  font-size:.86rem;color:var(--ink-2);
}
.badge i{width:7px;height:7px;border-radius:50%;background:var(--brand);flex:0 0 auto}
.badge b{font-variant-numeric:tabular-nums;font-weight:800;color:var(--ink);font-size:.95rem}
.badge-warm{background:rgba(255,176,32,.14);border-color:rgba(255,176,32,.28)}
.badge-warm i{background:var(--amber)}
.badge-violet{background:rgba(108,76,241,.10);border-color:rgba(108,76,241,.22)}
.badge-violet i{background:var(--violet)}

.sec-head{max-width:720px;margin:0 auto 48px;text-align:center}
.sec-head h2{margin:16px 0 14px}
.sec-head p{color:var(--ink-2);font-size:1rem}
.sec-head.left{margin-left:0;text-align:left}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:72px 0 80px;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(680px 340px at 88% 8%,rgba(13,181,162,.16),transparent 62%),
    radial-gradient(520px 300px at 4% 92%,rgba(108,76,241,.12),transparent 60%);
  pointer-events:none;
}
.hero .wrap{position:relative}
.hero-grid{align-items:center}
.hero-copy h1{margin:20px 0 18px}
.hero-copy h1 em{
  font-style:normal;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:1.05rem;color:var(--ink-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 28px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 26px;color:var(--ink-2);font-size:.92rem}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points li::before{
  content:"";width:16px;height:16px;border-radius:50%;
  background:rgba(13,181,162,.16);
  border:1px solid rgba(13,181,162,.35);
  background-image:linear-gradient(var(--brand),var(--brand));
  background-size:7px 2px;background-repeat:no-repeat;background-position:center;
  flex:0 0 auto;
}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;height:auto;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  box-shadow:var(--sh-lg);
  object-fit:cover;
  aspect-ratio:4/3;
}
.float-card{
  position:absolute;left:-18px;bottom:-24px;
  display:flex;align-items:center;gap:14px;
  padding:14px 20px;border-radius:20px;
  background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh-lg);
  min-width:220px;
}
.float-card .fc-num{
  font-size:2rem;font-weight:800;line-height:1;
  font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.float-card .fc-label{font-size:.82rem;color:var(--ink-2);line-height:1.5}
.hero-badges{margin-top:44px}

/* ============ 核对要点 ============ */
.check-grid{margin-top:8px}
.check-card{
  position:relative;
  height:100%;
  padding:28px 26px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-md);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.check-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad);opacity:0;transition:opacity .25s ease;
}
.check-card:hover{transform:translateY(-2px);box-shadow:var(--sh-lg)}
.check-card:hover::before{opacity:1}
.check-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:15px;margin-bottom:18px;
  background:rgba(13,181,162,.12);color:var(--brand-deep);
  font-size:1.15rem;font-weight:800;font-variant-numeric:tabular-nums;
}
.check-card:nth-child(2) .check-icon{background:rgba(255,176,32,.16);color:#9A6100}
.check-card:nth-child(3) .check-icon{background:rgba(108,76,241,.12);color:var(--violet)}
.check-card h3{margin-bottom:10px}
.check-card p{color:var(--ink-2);font-size:.94rem}

/* ============ 步骤条 ============ */
.steps-panel{
  padding:38px 34px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:28px;
  box-shadow:var(--sh-md);
}
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  counter-reset:step;
}
.step{
  position:relative;
  padding:0 22px 0 0;
}
.step:last-child{padding-right:0}
.step::after{
  content:"";position:absolute;top:22px;right:6px;left:56px;
  height:2px;border-radius:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 16px);
}
.step:last-child::after{display:none}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;
  background:var(--grad);color:#fff;
  font-weight:800;font-size:.95rem;
  font-variant-numeric:tabular-nums;
  box-shadow:0 10px 22px rgba(13,181,162,.26);
}
.step:nth-child(2) .step-num{background:linear-gradient(135deg,#0DB5A2,#12C9B4)}
.step:nth-child(3) .step-num{background:linear-gradient(135deg,#6C4CF1,#8B72F5)}
.step:nth-child(4) .step-num{background:var(--warm)}
.step h3{margin:18px 0 8px;font-size:1.1rem}
.step p{color:var(--ink-2);font-size:.9rem}
.step-note{
  margin-top:34px;padding:18px 22px;
  border-left:4px solid transparent;
  border-image:var(--grad) 1;
  background:#FBFBF7;
  border-radius:0 14px 14px 0;
  color:var(--ink-2);font-size:.92rem;
}
.step-note b{color:var(--ink)}

/* ============ 场景横向卡 ============ */
.rail{
  display:flex;gap:20px;
  overflow-x:auto;
  padding:6px 4px 22px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{height:8px}
.rail::-webkit-scrollbar-track{background:var(--line-2);border-radius:999px}
.rail::-webkit-scrollbar-thumb{background:rgba(13,181,162,.45);border-radius:999px}
.scene-card{
  flex:0 0 300px;
  scroll-snap-align:start;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-md);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--sh-lg)}
.scene-card img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-bottom:1px solid var(--line-2);
}
.scene-body{padding:22px}
.scene-body .tag{margin-bottom:14px;font-size:.76rem}
.scene-body h3{font-size:1.08rem;margin-bottom:10px}
.scene-body p{color:var(--ink-2);font-size:.92rem}
.scene-meta{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:18px;padding-top:14px;
  border-top:1px solid var(--line-2);
  font-size:.82rem;color:var(--ink-3);
}
.scene-meta span{font-variant-numeric:tabular-nums}

/* ============ 数据区 ============ */
.stats{
  position:relative;
  background:var(--dark);
  color:#EFEFE9;
  border-radius:32px;
  padding:64px 48px;
  overflow:hidden;
}
.stats::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(520px 260px at 84% 10%,rgba(13,181,162,.30),transparent 62%),
    radial-gradient(420px 240px at 6% 96%,rgba(108,76,241,.26),transparent 60%);
  pointer-events:none;
}
.stats .inner{position:relative}
.stats h2{color:#fff;margin-bottom:12px}
.stats .stats-lead{color:rgba(239,239,233,.78);max-width:620px;font-size:.98rem}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:44px}
.stat{border-left:2px solid rgba(255,255,255,.14);padding-left:20px}
.stat b{
  display:block;font-size:clamp(2rem,3.4vw,3.2rem);font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;color:#fff;
}
.stat b em{font-style:normal;font-size:.55em;font-weight:700;color:var(--amber);margin-left:2px}
.stat span{display:block;margin-top:8px;color:rgba(239,239,233,.72);font-size:.9rem}
.bar-set{margin-top:46px;display:grid;gap:20px}
.bar-row{display:grid;grid-template-columns:130px 1fr 56px;align-items:center;gap:16px;font-size:.88rem;color:rgba(239,239,233,.8)}
.bar-track{height:9px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:var(--warm)}
.bar-fill.alt{background:linear-gradient(135deg,#0DB5A2,#12C9B4)}
.bar-fill.vio{background:linear-gradient(135deg,#6C4CF1,#8B72F5)}
.bar-val{text-align:right;font-variant-numeric:tabular-nums;font-weight:700;color:#fff}

/* ============ FAQ ============ */
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:12px}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--sh-sm);
  overflow:hidden;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item[open]{box-shadow:var(--sh-md);border-color:rgba(13,181,162,.4)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;
  min-height:44px;
  cursor:pointer;list-style:none;
  font-weight:600;font-size:1.02rem;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:50%;
  background:rgba(13,181,162,.12);color:var(--brand-deep);
  font-weight:700;font-size:1.05rem;line-height:1;
  transition:transform .25s ease,background .25s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);background:rgba(108,76,241,.14);color:var(--violet)}
.faq-item summary:hover{color:var(--brand-deep)}
.faq-body{padding:0 24px 22px;color:var(--ink-2);font-size:.95rem;line-height:1.85}
.faq-body p+p{margin-top:12px}

/* ============ CTA ============ */
.cta-box{
  position:relative;
  border-radius:32px;
  padding:64px 48px;
  background:var(--grad);
  color:#fff;
  overflow:hidden;
  text-align:center;
  box-shadow:0 30px 70px rgba(13,181,162,.28);
}
.cta-box::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(420px 240px at 88% 12%,rgba(255,176,32,.35),transparent 62%);
  pointer-events:none;
}
.cta-box .inner{position:relative;z-index:1}
.cta-box h2{color:#fff;margin-bottom:16px}
.cta-box p{color:rgba(255,255,255,.88);max-width:620px;margin:0 auto}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px}
.cta-box .btn-primary{background:#fff;color:var(--brand-deep);box-shadow:0 14px 30px rgba(9,20,18,.22)}
.cta-box .btn-primary:hover{color:var(--brand-deep);box-shadow:0 20px 40px rgba(9,20,18,.3)}
.cta-box .btn-ghost{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.cta-box .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff}
.cta-links{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:center;margin-top:28px;font-size:.9rem}
.cta-links a{color:rgba(255,255,255,.9);border-bottom:1px dashed rgba(255,255,255,.5);padding-bottom:2px}
.cta-links a:hover{color:#fff;border-bottom-color:#fff}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(239,239,233,.78);margin-top:96px;padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.site-footer .dock-logo{color:#fff;margin-bottom:18px}
.site-footer .dock-logo:hover{color:#fff}
.site-footer .logo-mark{background:var(--grad)}
.footer-brand p{font-size:.92rem;line-height:1.85;max-width:340px;color:rgba(239,239,233,.72)}
.footer-col h4{color:#fff;font-size:.98rem;margin-bottom:18px;letter-spacing:.5px}
.footer-col ul{display:grid;gap:11px}
.footer-col a,.footer-col span{color:rgba(239,239,233,.72);font-size:.9rem}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;align-items:center;
  margin-top:52px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.10);
  font-size:.84rem;color:rgba(239,239,233,.6);
}
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:70;
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:50%;
  background:#fff;border:1px solid var(--line);color:var(--brand-deep);
  box-shadow:var(--sh-md);cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .28s,transform .28s,visibility .28s,box-shadow .28s;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{box-shadow:var(--sh-lg)}
.to-top svg{width:17px;height:17px}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .section{padding:64px 0}
  .hero{padding:52px 0 64px}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .step:nth-child(2)::after{display:none}
  .step{padding-right:0}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .stats,.cta-box{padding:48px 32px}
}
@media screen and (max-width:860px){
  .dock{padding:8px 10px 8px 14px;gap:10px}
  .dock-nav{
    display:none;
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:12px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:22px;
    box-shadow:var(--sh-lg);
  }
  .dock.is-open .dock-nav{display:flex}
  .dock-nav a{padding:13px 16px;border-radius:14px;font-size:.98rem}
  .dock-nav a.is-active{background:rgba(13,181,162,.10)}
  .dock-nav a.is-active::after{display:none}
  .dock-toggle{display:flex}
  .dock-cta{display:none}
  .hero-grid{row-gap:44px}
  .hero-lead{max-width:none}
  .float-card{left:12px;bottom:-20px;min-width:0;padding:12px 16px}
  .sec-head{margin-bottom:34px}
}
@media screen and (max-width:640px){
  .wrap{padding:0 20px}
  .section{padding:44px 0}
  .hero{padding:36px 0 52px}
  .dock{width:calc(100% - 24px);margin-top:12px}
  .logo-text{font-size:.92rem}
  .hero-copy h1{font-size:clamp(1.85rem,7.4vw,2.4rem)}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .hero-badges{margin-top:34px}
  .badge{font-size:.82rem;padding:8px 14px}
  .steps{grid-template-columns:1fr;gap:26px}
  .step::after{display:none}
  .steps-panel{padding:26px 20px}
  .scene-card{flex:0 0 84%}
  .stat-grid{grid-template-columns:1fr 1fr;gap:22px}
  .stat{padding-left:14px}
  .bar-row{grid-template-columns:96px 1fr 48px;font-size:.82rem}
  .stats,.cta-box{padding:36px 22px;border-radius:24px}
  .cta-actions .btn{width:100%}
  .faq-item summary{padding:16px 18px;font-size:.98rem}
  .faq-body{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .site-footer{margin-top:64px;padding:52px 0 24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media screen and (max-width:400px){
  .stat-grid{grid-template-columns:1fr}
}

/* roulang page: category2 */
:root{
  --brand:#0DB5A2;
  --brand-deep:#088577;
  --amber:#FFB020;
  --violet:#6C4CF1;
  --coral:#FF6B5A;
  --grad:linear-gradient(135deg,#0DB5A2 0%,#6C4CF1 100%);
  --warm:linear-gradient(135deg,#FFB020,#FF6B5A);
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --ink:#1B1B1F;
  --ink-2:#5A5A66;
  --ink-3:#8A8A99;
  --line:#E8E6E1;
  --line-soft:#F0EEE9;
  --dark:#14231F;
  --r-xl:32px;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(16,24,40,.06);
  --sh-md:0 12px 32px rgba(16,24,40,.08);
  --sh-lg:0 24px 60px rgba(16,24,40,.12);
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px; --s6:32px; --s7:48px; --s8:64px; --s9:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-deep);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,box-shadow .22s ease,transform .22s ease;}
a:hover{color:var(--violet);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:48px;}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:700;letter-spacing:.14em;
  color:var(--brand-deep);text-transform:uppercase;
  background:rgba(13,181,162,.10);
  border:1px solid rgba(13,181,162,.22);
  border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:18px;
}
.kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--grad);}
h2.title{
  font-size:clamp(1.6rem,3vw,2.3rem);
  font-weight:700;line-height:1.25;letter-spacing:-.01em;color:var(--ink);
}
h2.title .u{position:relative;white-space:nowrap;}
h2.title .u::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:6px;border-radius:var(--r-pill);
  background:var(--grad);opacity:.28;
}
.lead{margin-top:16px;color:var(--ink-2);font-size:1.0625rem;line-height:1.85;}

/* ---------- Dock 导航 ---------- */
.dock{
  position:sticky;top:14px;z-index:80;
  width:calc(100% - 40px);max-width:1120px;margin:18px auto 0;
  display:flex;align-items:center;gap:18px;
  padding:9px 12px 9px 16px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-md);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
}
.dock-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.dock-logo:hover{color:var(--ink);}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;
  font-weight:800;font-size:1rem;line-height:1;
  box-shadow:0 6px 16px rgba(13,181,162,.28);
}
.logo-text{font-weight:800;font-size:1rem;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;}
.dock-nav{margin-left:auto;display:flex;align-items:center;gap:4px;}
.dock-nav a{
  position:relative;padding:9px 15px;border-radius:var(--r-pill);
  font-size:.9375rem;font-weight:500;color:var(--ink-2);white-space:nowrap;
}
.dock-nav a:hover{background:rgba(13,181,162,.09);color:var(--brand-deep);}
.dock-nav a.is-active{color:var(--ink);font-weight:700;}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:3px;height:3px;
  border-radius:var(--r-pill);background:var(--grad);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.dock-search{
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  color:var(--ink-2);border:1px solid var(--line);background:#fff;
}
.dock-search:hover{color:var(--brand-deep);border-color:rgba(13,181,162,.45);background:rgba(13,181,162,.06);}
.dock-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 20px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;font-size:.9375rem;font-weight:700;
  box-shadow:0 8px 22px rgba(13,181,162,.28);
}
.dock-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(13,181,162,.34);}
.dock-cta:active{transform:translateY(0);}
.dock-toggle{
  display:none;width:42px;height:42px;border-radius:14px;
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.dock-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:var(--r-pill);
  font-size:1rem;font-weight:700;border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(13,181,162,.3);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 38px rgba(108,76,241,.3);}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(13,181,162,.28);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--sh-sm);}
.btn-ghost:hover{color:var(--brand-deep);border-color:rgba(13,181,162,.45);transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{background:#fff;color:var(--brand-deep);box-shadow:0 10px 26px rgba(0,0,0,.16);}
.btn-light:hover{color:var(--violet);transform:translateY(-2px);box-shadow:0 18px 38px rgba(0,0,0,.2);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}

/* ---------- Hero ---------- */
.hero{padding:52px 0 8px;}
.hero-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  background:var(--grad);
  color:#fff;
  box-shadow:var(--sh-lg);
  padding:56px;
  display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center;
}
.hero-card::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  opacity:.16;
}
.hero-copy,.hero-art{position:relative;z-index:1;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.32);
  font-size:.8125rem;font-weight:700;letter-spacing:.1em;
}
.hero h1{
  margin-top:20px;
  font-size:clamp(2.1rem,4.6vw,3.4rem);
  font-weight:700;line-height:1.15;letter-spacing:-.02em;
}
.hero-sub{margin-top:18px;font-size:1.0625rem;line-height:1.85;color:rgba(255,255,255,.9);max-width:520px;}
.hero-cta{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-cta .btn-primary{background:#fff;color:var(--brand-deep);box-shadow:0 12px 30px rgba(0,0,0,.18);}
.hero-cta .btn-primary:hover{color:var(--violet);}
.badge-row{margin-top:34px;display:flex;flex-wrap:wrap;gap:10px;}
.badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);
  font-size:.875rem;color:#fff;
}
.badge .dot{width:8px;height:8px;border-radius:50%;background:var(--amber);flex:0 0 8px;}
.badge strong{font-weight:800;font-variant-numeric:tabular-nums;font-size:1rem;}
.hero-art img{
  width:100%;border-radius:18px;object-fit:cover;aspect-ratio:4/3;
  border:4px solid rgba(255,255,255,.24);
  box-shadow:0 24px 60px rgba(0,0,0,.28);
}

/* ---------- 对比双栏 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-card{
  position:relative;overflow:hidden;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:34px;
  box-shadow:var(--sh-md);
  transition:transform .24s ease,box-shadow .24s ease;
}
.compare-card:hover{transform:translateY(-3px);box-shadow:var(--sh-lg);}
.compare-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;}
.compare-card.risk::before{background:var(--warm);}
.compare-card.safe::before{background:var(--grad);}
.compare-card h3{font-size:1.25rem;font-weight:700;display:flex;align-items:center;gap:10px;}
.compare-tag{
  display:inline-flex;align-items:center;
  font-size:.75rem;font-weight:700;letter-spacing:.08em;
  padding:4px 12px;border-radius:var(--r-pill);
}
.risk .compare-tag{background:rgba(255,107,90,.12);color:#C63B27;border:1px solid rgba(255,107,90,.28);}
.safe .compare-tag{background:rgba(13,181,162,.12);color:var(--brand-deep);border:1px solid rgba(13,181,162,.28);}
.compare-list{margin-top:20px;}
.compare-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:15px 0;
  border-bottom:1px dashed var(--line-soft);
  color:var(--ink-2);font-size:.9688rem;line-height:1.7;
}
.compare-list li:last-child{border-bottom:0;padding-bottom:0;}
.compare-list li .mark{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  display:grid;place-items:center;font-size:.75rem;font-weight:800;margin-top:3px;
}
.risk .mark{background:rgba(255,107,90,.14);color:#C63B27;}
.safe .mark{background:rgba(13,181,162,.14);color:var(--brand-deep);}

/* ---------- 要点 + 图卡 ---------- */
.points{display:grid;gap:16px;}
.point-item{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:22px 24px;
  box-shadow:var(--sh-sm);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.point-item:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:rgba(13,181,162,.4);}
.point-num{
  flex:0 0 40px;width:40px;height:40px;border-radius:13px;
  display:grid;place-items:center;
  background:rgba(13,181,162,.10);border:1px solid rgba(13,181,162,.22);
  color:var(--brand-deep);font-weight:800;font-size:1rem;
  font-variant-numeric:tabular-nums;
}
.point-item h3{font-size:1.0625rem;font-weight:700;}
.point-item p{margin-top:6px;color:var(--ink-2);font-size:.9375rem;line-height:1.75;}
.figure-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:14px;box-shadow:var(--sh-md);
  height:100%;display:flex;flex-direction:column;
}
.figure-card img{width:100%;border-radius:18px;object-fit:cover;aspect-ratio:4/3;}
.figure-card figcaption{padding:16px 8px 8px;font-size:.875rem;color:var(--ink-3);line-height:1.7;}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.flow-step{
  position:relative;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:30px 26px 28px;
  box-shadow:var(--sh-sm);
  transition:transform .24s ease,box-shadow .24s ease;
}
.flow-step:hover{transform:translateY(-3px);box-shadow:var(--sh-lg);}
.flow-step::after{
  content:"";position:absolute;top:36px;right:-13px;width:24px;height:2px;
  background:linear-gradient(90deg,rgba(13,181,162,.65),rgba(108,76,241,.25));
}
.flow-step:last-child::after{display:none;}
.flow-num{
  display:block;font-size:2rem;font-weight:800;line-height:1;
  font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.flow-step h3{margin-top:16px;font-size:1.125rem;font-weight:700;}
.flow-step p{margin-top:10px;color:var(--ink-2);font-size:.9375rem;line-height:1.75;}

/* ---------- 数据区 ---------- */
.stats-band{
  background:var(--dark);color:#fff;
  border-radius:var(--r-xl);padding:54px 48px;
  box-shadow:var(--sh-lg);position:relative;overflow:hidden;
}
.stats-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(13,181,162,.45),rgba(13,181,162,0) 70%);
}
.stats-band h2{font-size:clamp(1.5rem,2.6vw,2.05rem);font-weight:700;line-height:1.3;position:relative;}
.stats-band .band-note{margin-top:14px;color:rgba(255,255,255,.68);font-size:.9375rem;max-width:640px;position:relative;}
.stats-grid{margin-top:40px;display:grid;grid-template-columns:repeat(3,1fr);gap:28px;position:relative;}
.stat-num{
  font-size:clamp(2rem,4vw,3.2rem);font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-label{margin-top:8px;font-size:.9375rem;color:rgba(255,255,255,.78);}
.stat-bar{margin-top:16px;height:8px;border-radius:var(--r-pill);background:rgba(255,255,255,.14);overflow:hidden;}
.stat-bar span{display:block;height:100%;border-radius:var(--r-pill);background:var(--grad);}
.stat:nth-child(2) .stat-bar span{background:var(--warm);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-sm);
  overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:rgba(13,181,162,.4);box-shadow:var(--sh-md);}
.faq-item summary{
  list-style:none;cursor:pointer;
  min-height:56px;
  display:flex;align-items:center;
  padding:20px 60px 20px 24px;
  font-size:1.0625rem;font-weight:600;color:var(--ink);
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(13,181,162,.10);color:var(--brand-deep);
  font-size:1.15rem;font-weight:700;line-height:1;
  transition:transform .22s ease,background-color .22s ease;
}
.faq-item[open] summary{color:var(--brand-deep);}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg);background:rgba(108,76,241,.12);color:var(--violet);}
.faq-body{padding:0 60px 24px 24px;color:var(--ink-2);font-size:.9688rem;line-height:1.85;border-top:1px solid var(--line-soft);padding-top:18px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--grad);color:#fff;
  border-radius:var(--r-xl);padding:60px 48px;text-align:center;
  box-shadow:var(--sh-lg);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-3.png") center/cover no-repeat;
  opacity:.14;
}
.cta-band h2,.cta-band p,.cta-actions{position:relative;z-index:1;}
.cta-band h2{font-size:clamp(1.6rem,3vw,2.3rem);font-weight:700;line-height:1.28;}
.cta-band p{margin:18px auto 0;max-width:640px;color:rgba(255,255,255,.92);font-size:1.0625rem;}
.cta-actions{margin-top:32px;display:flex;justify-content:center;flex-wrap:wrap;gap:14px;}

/* ---------- 相关分类 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.related-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px;
  box-shadow:var(--sh-sm);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--sh-lg);border-color:rgba(108,76,241,.38);}
.related-card .rc-tag{
  display:inline-flex;align-self:flex-start;
  font-size:.75rem;font-weight:700;letter-spacing:.08em;
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(108,76,241,.1);color:var(--violet);border:1px solid rgba(108,76,241,.24);
}
.related-card h3{font-size:1.125rem;font-weight:700;color:var(--ink);}
.related-card p{font-size:.9375rem;color:var(--ink-2);line-height:1.75;}
.related-card .rc-arrow{font-size:.875rem;font-weight:700;color:var(--brand-deep);}
.related-card:hover h3{color:var(--violet);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);margin-top:88px;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .dock-logo{margin-bottom:18px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{font-size:.9375rem;line-height:1.85;color:rgba(255,255,255,.66);max-width:320px;}
.footer-col h4{font-size:.9375rem;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{color:rgba(255,255,255,.7);font-size:.9375rem;}
.footer-col a:hover{color:#fff;}
.footer-col span{color:rgba(255,255,255,.62);font-size:.9375rem;}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.875rem;color:rgba(255,255,255,.55);
}

/* ---------- 返回顶部 ---------- */
#toTop{
  position:fixed;right:24px;bottom:28px;z-index:90;
  width:48px;height:48px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--brand-deep);
  box-shadow:var(--sh-md);
  display:grid;place-items:center;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,box-shadow .25s ease;
}
#toTop.is-on{opacity:1;visibility:visible;transform:translateY(0);}
#toTop:hover{box-shadow:var(--sh-lg);transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .section{padding:64px 0;}
  .hero{padding:40px 0 4px;}
  .hero-card{grid-template-columns:1fr;gap:32px;padding:40px;}
  .hero-sub{max-width:none;}
  .compare-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .flow-step::after{display:none;}
  .stats-grid{grid-template-columns:1fr;gap:32px;}
  .stats-band{padding:40px 32px;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:900px){
  .dock{width:calc(100% - 24px);padding:9px 10px 9px 14px;gap:10px;}
  .dock-nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border:1px solid var(--line);border-radius:20px;
    padding:10px;box-shadow:var(--sh-lg);
    display:none;
  }
  .dock-nav.is-open{display:flex;}
  .dock-nav a{padding:13px 16px;font-size:1rem;}
  .dock-nav a.is-active::after{left:16px;right:16px;bottom:6px;}
  .dock-toggle{display:flex;}
  .dock-search{display:none;}
}
@media screen and (max-width:768px){
  .wrap{padding:0 20px;}
  .section{padding:48px 0;}
  .hero-card{padding:32px 22px;border-radius:26px;}
  .hero-cta{gap:12px;}
  .hero-cta .btn{width:100%;}
  .badge-row{gap:8px;}
  .compare-card{padding:26px 22px;}
  .cta-band{padding:40px 22px;border-radius:26px;}
  .cta-actions .btn{width:100%;}
  .stats-band{border-radius:26px;padding:34px 22px;}
  .related-grid{grid-template-columns:1fr;}
  .faq-item summary{padding:18px 54px 18px 20px;}
  .faq-body{padding:16px 22px 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media screen and (max-width:520px){
  .dock-logo .logo-text{font-size:.9375rem;}
  .dock-cta{padding:9px 16px;font-size:.875rem;}
  .hero h1{font-size:1.92rem;}
  .point-item{padding:18px;}
  .flow-step{padding:24px 20px;}
  #toTop{right:16px;bottom:18px;width:44px;height:44px;}
}

/* roulang page: category3 */
:root{
  --brand:#0DB5A2;
  --brand-deep:#088577;
  --amber:#FFB020;
  --violet:#6C4CF1;
  --coral:#FF6B5A;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --ink:#1B1B1F;
  --ink-2:#5A5A66;
  --ink-3:#8A8A99;
  --line:#E8E6E1;
  --line-2:#F0EEE9;
  --dark:#14231F;
  --grad:linear-gradient(135deg,#0DB5A2 0%,#6C4CF1 100%);
  --grad-warm:linear-gradient(135deg,#FFB020 0%,#FF6B5A 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(16,24,40,.06);
  --sh-md:0 12px 32px rgba(16,24,40,.08);
  --sh-lg:0 24px 60px rgba(16,24,40,.12);
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px; --s6:32px; --s7:48px; --s8:64px; --s9:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-deep);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,transform .22s ease}
a:hover{color:var(--violet)}
button,input,select,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);outline-offset:3px;border-radius:6px}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.sec{padding:var(--s9) 0}
.sec--tight{padding:var(--s8) 0}
.sec--dark{background:var(--dark);color:#EDF3F1}
.sec--dark .sec-sub{color:#A9BCB6}

.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:600;letter-spacing:.12em;color:var(--brand-deep);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad)}
.sec-title{font-size:clamp(1.6rem,3vw,2.3rem);font-weight:700;line-height:1.25;letter-spacing:-.01em}
.sec-sub{color:var(--ink-2);font-size:1rem;max-width:660px;margin-top:12px}
.sec-head{margin-bottom:var(--s7)}
.sec-head--center{text-align:center;margin-left:auto;margin-right:auto}
.sec-head--center .sec-sub{margin-left:auto;margin-right:auto}

/* ---------- Dock 导航 ---------- */
.dock{
  position:sticky;top:14px;z-index:80;
  display:flex;align-items:center;gap:var(--s4);
  width:calc(100% - 32px);max-width:1120px;
  margin:14px auto 0;padding:10px 14px 10px 18px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-md);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
}
.dock-logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);white-space:nowrap}
.dock-logo:hover{color:var(--ink)}
.logo-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;
  display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:.95rem;font-weight:700;
  box-shadow:0 6px 16px rgba(13,181,162,.32);
}
.logo-text{font-size:1.02rem;letter-spacing:.01em}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto;margin-right:auto}
.dock-nav a{
  position:relative;padding:9px 15px;border-radius:var(--r-pill);
  font-size:.94rem;color:var(--ink-2);font-weight:500;
}
.dock-nav a:hover{color:var(--ink);background:rgba(13,181,162,.08)}
.dock-nav a.is-active{color:var(--ink);font-weight:700;background:rgba(13,181,162,.10)}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:4px;height:3px;border-radius:3px;background:var(--grad);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-search{
  width:38px;height:38px;border-radius:var(--r-pill);
  display:grid;place-items:center;
  border:1px solid var(--line);color:var(--ink-2);background:#fff;
}
.dock-search:hover{color:var(--brand-deep);border-color:rgba(13,181,162,.45);transform:translateY(-1px)}
.dock-cta{
  padding:10px 20px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;font-size:.92rem;font-weight:600;
  box-shadow:0 8px 22px rgba(108,76,241,.24);
}
.dock-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(108,76,241,.3)}
.dock-cta:active{transform:translateY(1px)}
.dock-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:14px;
  background:#fff;padding:0;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.dock-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--ink)}

/* ---------- Hero ---------- */
.page-hero{position:relative;padding:var(--s8) 0 var(--s9);overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.14;
}
.page-hero::after{
  content:"";position:absolute;left:-140px;top:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(13,181,162,.20),transparent 68%);
}
.page-hero .wrap{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.86rem;color:var(--ink-3);margin-bottom:var(--s5)}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--brand-deep)}
.crumbs span[aria-current]{color:var(--ink);font-weight:600}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:var(--s8);align-items:center}
.hero-h1{
  font-size:clamp(2.1rem,4.6vw,3.4rem);font-weight:700;line-height:1.15;letter-spacing:-.02em;
}
.hero-h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{margin-top:18px;font-size:1.06rem;color:var(--ink-2);max-width:560px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:var(--s6)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:.97rem;font-weight:600;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(13,181,162,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(108,76,241,.28)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--sh-sm)}
.btn-ghost:hover{color:var(--brand-deep);border-color:rgba(13,181,162,.5);transform:translateY(-2px);box-shadow:var(--sh-md)}
.btn-ghost:active{transform:translateY(1px)}
.btn-block{width:100%}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:var(--s6)}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  font-size:.85rem;font-weight:600;color:var(--brand-deep);
  background:rgba(13,181,162,.10);border:1px solid rgba(13,181,162,.22);
}
.badge i{width:7px;height:7px;border-radius:50%;background:var(--brand);flex:0 0 auto}
.badge b{font-variant-numeric:tabular-nums;font-size:.95rem;color:var(--ink);font-weight:800}
.badge--warm{color:#9A6200;background:rgba(255,176,32,.14);border-color:rgba(255,176,32,.32)}
.badge--warm i{background:var(--amber)}

.hero-visual{position:relative}
.hero-shot{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-lg);background:#fff;
}
.hero-shot img{width:100%;aspect-ratio:4/3;object-fit:cover}
.float-card{
  position:absolute;left:-22px;bottom:-26px;width:min(280px,80%);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 18px;box-shadow:var(--sh-md);
}
.float-card strong{display:block;font-size:1.6rem;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.2}
.float-card span{font-size:.85rem;color:var(--ink-2)}
.float-card .mini-bar{height:6px;border-radius:6px;background:var(--line-2);margin-top:10px;overflow:hidden}
.float-card .mini-bar i{display:block;height:100%;width:78%;border-radius:6px;background:var(--grad-warm)}

/* ---------- 通用卡片 ---------- */
.card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:28px;
  box-shadow:var(--sh-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;border-radius:var(--r-lg) var(--r-lg) 0 0;
  background:var(--grad);opacity:0;transition:opacity .25s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-lg);border-color:#DCD9D2}
.card:hover::before{opacity:1}
.card h3{font-size:1.25rem;font-weight:600;line-height:1.4}
.card p{color:var(--ink-2);font-size:.96rem;margin-top:10px}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:var(--s7);padding-left:6px}
.timeline::before{
  content:"";position:absolute;left:27px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--brand),var(--violet),rgba(20,35,31,0));
  opacity:.35;
}
.tl-item{position:relative;display:grid;grid-template-columns:56px 1fr;gap:22px;padding-bottom:var(--s6)}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  width:56px;height:56px;border-radius:18px;display:grid;place-items:center;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-sm);
  font-weight:800;font-variant-numeric:tabular-nums;color:var(--brand-deep);font-size:1rem;
}
.tl-body{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px 22px;box-shadow:var(--sh-sm)}
.tl-body h3{font-size:1.08rem;font-weight:600}
.tl-body p{color:var(--ink-2);font-size:.94rem;margin-top:8px}
.tl-tag{display:inline-block;margin-top:12px;padding:4px 12px;border-radius:var(--r-pill);font-size:.78rem;font-weight:600;color:#9A6200;background:rgba(255,176,32,.14);border:1px solid rgba(255,176,32,.28)}

/* ---------- 图文交替 ---------- */
.zig{display:grid;grid-template-columns:1fr 1fr;gap:var(--s8);align-items:center;padding:var(--s7) 0;border-bottom:1px dashed var(--line)}
.zig:last-child{border-bottom:0}
.zig--flip .zig-media{order:2}
.zig-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-md);background:#fff}
.zig-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.zig-no{
  display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:700;letter-spacing:.1em;
  color:var(--violet);margin-bottom:12px;
}
.zig h3{font-size:clamp(1.25rem,2.2vw,1.6rem);font-weight:700;line-height:1.35}
.zig p{color:var(--ink-2);margin-top:12px}
.check-mini{margin-top:18px;display:grid;gap:10px}
.check-mini li{display:flex;gap:10px;align-items:flex-start;font-size:.94rem;color:var(--ink-2)}
.check-mini i{color:var(--brand);margin-top:5px;font-size:.75rem}

/* ---------- 排查清单（深色） ---------- */
.checklist{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:var(--s6)}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:20px;border-radius:var(--r-md);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10);
  transition:background-color .25s ease,transform .25s ease,border-color .25s ease;
}
.check-item:hover{background:rgba(255,255,255,.09);transform:translateY(-2px);border-color:rgba(13,181,162,.5)}
.check-item .ci{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;display:grid;place-items:center;
  background:rgba(13,181,162,.18);color:#7FE3D5;font-size:.9rem;
}
.check-item h4{font-size:1.02rem;font-weight:600;color:#fff}
.check-item p{font-size:.9rem;color:#A9BCB6;margin-top:6px}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:var(--s7);padding-top:var(--s6);border-top:1px solid rgba(255,255,255,.12)}
.stat b{display:block;font-size:clamp(2rem,3.4vw,2.6rem);font-weight:800;font-variant-numeric:tabular-nums;line-height:1.1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:.88rem;color:#A9BCB6}

/* ---------- 表单 ---------- */
.form-shell{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:var(--s8);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:var(--s7);box-shadow:var(--sh-md);
}
.form-aside h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:700;line-height:1.28}
.form-aside p{color:var(--ink-2);margin-top:14px}
.aside-list{margin-top:var(--s5);display:grid;gap:12px}
.aside-list li{display:flex;gap:10px;font-size:.93rem;color:var(--ink-2)}
.aside-list i{color:var(--brand);margin-top:6px;font-size:.7rem}
.field{margin-bottom:18px}
.field label{display:block;font-size:.88rem;font-weight:600;margin-bottom:8px;color:var(--ink)}
.field .req{color:var(--coral)}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#FCFBF8;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(13,181,162,.16);
}
.field input::placeholder,.field textarea::placeholder{color:#A9A9B4}
.form-hint{font-size:.82rem;color:var(--ink-3);margin-top:10px}
.form-note{
  display:none;margin-top:16px;padding:14px 16px;border-radius:var(--r-sm);
  background:rgba(13,181,162,.10);border:1px solid rgba(13,181,162,.28);
  color:var(--brand-deep);font-size:.9rem;font-weight:600;
}
.form-note.is-show{display:block}

/* ---------- FAQ ---------- */
.faq-list{margin-top:var(--s6);background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm)}
.faq-item{border-bottom:1px solid var(--line-2)}
.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:16px;
  padding:22px 26px;font-weight:600;font-size:1.02rem;min-height:44px;
  transition:background-color .2s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-weight:700;color:var(--brand-deep);
  background:rgba(13,181,162,.12);transition:background-color .2s ease,color .2s ease;
}
.faq-item summary:hover{background:#FCFBF8;color:var(--brand-deep)}
.faq-item[open] summary{color:var(--brand-deep)}
.faq-item[open] summary::after{content:"−";background:var(--grad);color:#fff}
.faq-body{padding:0 26px 24px;color:var(--ink-2);font-size:.95rem;line-height:1.85}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:var(--s6)}
.rel-card{
  display:flex;gap:18px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-lg);border-color:rgba(13,181,162,.4)}
.rel-thumb{width:78px;height:78px;border-radius:var(--r-md);overflow:hidden;flex:0 0 auto;border:1px solid var(--line)}
.rel-thumb img{width:100%;height:100%;object-fit:cover}
.rel-card h3{font-size:1.06rem;font-weight:700;color:var(--ink)}
.rel-card p{font-size:.9rem;color:var(--ink-2);margin-top:6px}
.rel-card .rel-go{margin-left:auto;color:var(--brand-deep);font-size:.88rem;font-weight:600;white-space:nowrap}
.rel-card:hover h3{color:var(--violet)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:28px;
  padding:clamp(36px,5vw,64px);
  background:var(--grad);color:#fff;text-align:center;
  box-shadow:0 24px 60px rgba(108,76,241,.26);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),transparent 70%);
}
.cta-band h2{position:relative;z-index:2;font-size:clamp(1.6rem,3vw,2.3rem);font-weight:700;line-height:1.3}
.cta-band p{position:relative;z-index:2;margin:14px auto 0;max-width:620px;color:rgba(255,255,255,.92)}
.cta-band .hero-btns{position:relative;z-index:2;justify-content:center}
.cta-band .btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.55);box-shadow:none}
.cta-band .btn-ghost:hover{background:#fff;color:var(--violet);border-color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#C9D6D2;padding:var(--s8) 0 var(--s6);margin-top:var(--s9)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:var(--s7)}
.footer-brand .dock-logo{color:#fff;font-size:1.05rem}
.footer-brand p{font-size:.92rem;color:#9FB2AC;margin-top:16px;max-width:320px}
.footer-col h4{color:#fff;font-size:.95rem;font-weight:600;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{color:#9FB2AC;font-size:.92rem}
.footer-col a:hover{color:#7FE3D5}
.footer-col span{color:#9FB2AC;font-size:.92rem}
.footer-bottom{
  margin-top:var(--s7);padding-top:var(--s5);border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.85rem;color:#8399 93;color:#839993;
}
.back-top{
  position:fixed;right:22px;bottom:24px;z-index:70;
  width:46px;height:46px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--brand-deep);box-shadow:var(--sh-md);
  display:grid;place-items:center;cursor:pointer;
  opacity:0;visibility:hidden;transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.back-top.is-show{opacity:1;visibility:visible}
.back-top:hover{transform:translateY(-3px);box-shadow:var(--sh-lg)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:var(--s7)}
  .float-card{left:12px;bottom:-20px}
  .form-shell{grid-template-columns:1fr;padding:var(--s6)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--s6)}
  .sec{padding:var(--s8) 0}
}
@media (max-width:860px){
  .dock-nav{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--line);border-radius:20px;
    padding:12px;box-shadow:var(--sh-lg);
    margin:0;display:none;
  }
  .dock.is-open .dock-nav{display:flex}
  .dock-nav a{padding:13px 16px;border-radius:14px;font-size:.98rem}
  .dock-nav a.is-active::after{left:16px;right:auto;width:28px;bottom:8px}
  .dock-toggle{display:flex}
  .dock-search{display:none}
  .checklist{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .zig{grid-template-columns:1fr;gap:var(--s5)}
  .zig--flip .zig-media{order:0}
  .stat-row{grid-template-columns:1fr 1fr;gap:16px}
}
@media (max-width:640px){
  .wrap{padding:0 20px}
  .dock{padding:8px 10px 8px 14px;gap:10px}
  .logo-text{font-size:.94rem}
  .dock-cta{padding:9px 15px;font-size:.86rem}
  .sec{padding:52px 0}
  .sec--tight{padding:44px 0}
  .card{padding:22px;border-radius:20px}
  .hero-btns{gap:10px}
  .hero-btns .btn{width:100%}
  .timeline::before{left:21px}
  .tl-item{grid-template-columns:44px 1fr;gap:16px}
  .tl-num{width:44px;height:44px;border-radius:14px;font-size:.9rem}
  .tl-body{padding:16px 18px}
  .footer-grid{grid-template-columns:1fr;gap:var(--s5)}
  .faq-item summary{padding:18px 20px;font-size:.98rem}
  .faq-body{padding:0 20px 20px}
  .stat-row{grid-template-columns:1fr}
  .float-card{position:static;width:100%;margin-top:16px}
  .cta-band{border-radius:22px;text-align:left}
  .cta-band .hero-btns{justify-content:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}