/* roulang page: index */
:root{
  --brand:#12402E;
  --brand-deep:#0B2A1E;
  --accent:#C8F04A;
  --accent-warm:#FF6B2C;
  --paper:#F6F4EC;
  --paper-alt:#EFEDE3;
  --surface:#FFFFFF;
  --ink:#14201A;
  --ink-soft:#4A5750;
  --line:#D8D5C8;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow:0 8px 24px rgba(18,64,46,.08);
  --shadow-hover:0 14px 32px rgba(18,64,46,.14);
  --container:1200px;
  --space-section:104px;
  --t:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:72px;
  background:var(--paper);
  color:var(--ink);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--t),opacity var(--t);}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4,h5,h6{margin:0 0 .6em;color:var(--ink);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
h1{font-size:clamp(30px,4.2vw,50px);line-height:1.15;font-weight:800;letter-spacing:-.02em;}
h2{font-size:clamp(26px,3vw,34px);line-height:1.25;}
h3{font-size:21px;line-height:1.4;font-weight:600;}
p{margin:0 0 1em;text-align:left;word-break:break-word;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 1em;padding-left:22px;}
li{line-height:1.85;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.grid-padding-x{margin-left:-12px;margin-right:-12px;}
.grid-padding-x>.cell{padding-left:12px;padding-right:12px;}
.section{padding:var(--space-section) 0;}
.section--alt{background:var(--paper-alt);}
.section--tight{padding:72px 0;}
.eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.06em;
  color:var(--ink-soft);
  margin-bottom:12px;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-title{
  position:relative;
  margin:0;
  padding-left:18px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:6px;
  border-radius:3px;
  background:var(--accent);
}
.section-desc{
  max-width:560px;
  color:var(--ink-soft);
  font-size:15.5px;
  margin-top:12px;
}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--brand);
  border-bottom:2px solid transparent;
  transition:border-color var(--t),gap var(--t);
}
.link-more:hover{border-bottom-color:var(--accent);gap:10px;color:var(--brand);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  border:1.5px solid transparent;
  font-size:16px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  text-decoration:none;
  white-space:nowrap;
  transition:transform var(--t),background var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
}
.btn-sm{height:40px;padding:0 20px;font-size:15px;}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-warm{background:var(--accent-warm);color:#fff;}
.btn-warm:hover{background:#e85a1c;color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,107,44,.28);}
.btn-accent{background:var(--accent);color:var(--brand-deep);}
.btn-accent:hover{background:#d7fb63;color:var(--brand-deep);transform:translateY(-2px);box-shadow:0 10px 24px rgba(200,240,74,.32);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:rgba(18,64,46,.06);color:var(--brand);transform:translateY(-2px);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:var(--accent);color:#fff;transform:translateY(-2px);}

/* ===== 徽章 ===== */
.badge{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(200,240,74,.18);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  line-height:1.7;
}
.badge--soft{background:var(--paper-alt);color:var(--ink-soft);}

/* ===== 导航 ===== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:90;
  height:72px;
  background:rgba(246,244,236,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:height var(--t),box-shadow var(--t),border-color var(--t);
}
.site-header.is-scrolled{
  height:60px;
  border-bottom-color:var(--line);
  box-shadow:0 6px 18px rgba(18,64,46,.07);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:100%;
}
.logo{
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  text-decoration:none;
  flex-shrink:0;
}
.logo-main{
  font-size:21px;
  font-weight:800;
  letter-spacing:-.06em;
  color:var(--brand);
  font-family:ui-monospace,"SFMono-Regular",Menlo,monospace;
}
.logo-sub{
  font-size:13px;
  font-weight:400;
  letter-spacing:.06em;
  color:var(--ink-soft);
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:4px;
  list-style:none;
  margin:0;
  padding:0;
}
.nav-menu li{margin:0;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  border-radius:8px;
  font-size:15px;
  font-weight:500;
  color:var(--ink);
  text-decoration:none;
  transition:color var(--t),background var(--t);
}
.nav-link:hover{color:var(--brand);background:rgba(18,64,46,.06);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:0;
  height:3px;
  border-radius:999px;
  background:var(--accent);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.mega-toggle{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:40px;
  padding:0 16px;
  border-radius:var(--radius-btn);
  border:1.5px solid var(--line);
  background:var(--surface);
  color:var(--ink);
  font-size:14.5px;
  font-weight:600;
  cursor:pointer;
  transition:border-color var(--t),color var(--t),background var(--t);
}
.mega-toggle:hover{border-color:var(--brand);color:var(--brand);}
.mega-toggle.is-open{border-color:var(--brand);color:var(--brand);background:rgba(18,64,46,.05);}
.mega-toggle i{font-size:12px;transition:transform var(--t);}
.mega-toggle.is-open i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;
  top:calc(100% + 10px);
  left:50%;
  width:min(1200px,calc(100vw - 48px));
  transform:translate(-50%,-8px);
  opacity:0;
  visibility:hidden;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:0 20px 48px rgba(18,64,46,.14);
  padding:24px;
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.mega-panel.is-open{opacity:1;visibility:visible;transform:translate(-50%,0);}
.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.mega-card{
  display:block;
  padding:18px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--paper);
  text-decoration:none;
  transition:border-color var(--t),transform var(--t),box-shadow var(--t),background var(--t);
}
.mega-card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:var(--shadow);background:var(--surface);}
.mega-card h4{
  margin:0 0 6px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.mega-card p{margin:0;font-size:13.5px;line-height:1.7;color:var(--ink-soft);}
.mega-card .arrow{color:var(--brand);font-size:14px;}
.menu-toggle{
  display:none;
  width:44px;height:40px;
  align-items:center;justify-content:center;
  border-radius:var(--radius-btn);
  border:1.5px solid var(--line);
  background:var(--surface);
  color:var(--brand);
  font-size:17px;
  cursor:pointer;
}
.mobile-drawer{
  position:fixed;
  top:72px;left:0;right:0;
  z-index:85;
  display:none;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  box-shadow:0 18px 32px rgba(18,64,46,.12);
  padding:18px 24px 26px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;
  padding:14px 4px;
  border-bottom:1px solid var(--line);
  font-size:16px;
  color:var(--ink);
}
.mobile-drawer a:hover{color:var(--brand);}
.mobile-drawer .btn{width:100%;margin-top:20px;border-bottom:none;}

/* ===== Hero ===== */
.hero{
  position:relative;
  background:var(--brand-deep);
  color:#fff;
  overflow:hidden;
  isolation:isolate;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.22;
  z-index:-2;
}
.hero::after{
  content:"";
  position:absolute;
  top:-140px;right:-160px;
  width:520px;height:520px;
  border-radius:50%;
  border:2px solid rgba(200,240,74,.22);
  z-index:-1;
}
.hero-inner{padding:72px 0 0;}
.hero-copy h1{color:#fff;margin:0 0 20px;}
.hl{color:var(--accent);}
.hero-sub{
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.82);
  max-width:520px;
  margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:8px;}
.hero-note{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.04em;
  color:rgba(255,255,255,.62);
  margin-top:18px;
}
.hero-note i{color:var(--accent);font-size:12px;}
.hero-figure{
  position:relative;
  border-radius:18px 18px 18px 96px;
  overflow:hidden;
  aspect-ratio:16/11;
  background:var(--paper-alt);
  box-shadow:0 26px 56px rgba(0,0,0,.38);
  border:1px solid rgba(255,255,255,.12);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:64px;
  padding:30px 0 42px;
  border-top:1px solid rgba(255,255,255,.14);
}
.stat-num{
  font-size:32px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  font-family:ui-monospace,"SFMono-Regular",Menlo,monospace;
  line-height:1.2;
}
.stat-label{font-size:14px;color:rgba(255,255,255,.72);margin-top:4px;}

/* ===== 支撑条 ===== */
.promise-strip{background:var(--paper);padding:56px 0;border-bottom:1px solid var(--line);}
.promise-item{
  display:flex;
  gap:16px;
  align-items:flex-start;
  padding:22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
  height:100%;
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.promise-item:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-hover);}
.promise-icon{
  flex:0 0 44px;
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(18,64,46,.08);
  color:var(--brand);
  font-size:18px;
}
.promise-item h3{margin:0 0 6px;font-size:17px;}
.promise-item p{margin:0;font-size:14.5px;color:var(--ink-soft);line-height:1.75;}

/* ===== 故事 / 流程 ===== */
.story-figure{
  border-radius:18px 18px 76px 18px;
  overflow:hidden;
  aspect-ratio:16/12;
  background:var(--paper-alt);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.story-figure img{width:100%;height:100%;object-fit:cover;}
.point-list{list-style:none;padding:0;margin:26px 0 0;}
.point-list li{
  position:relative;
  padding-left:30px;
  margin-bottom:12px;
  font-size:15.5px;
  color:var(--ink);
}
.point-list li::before{
  content:"";
  position:absolute;
  left:0;top:12px;
  width:14px;height:3px;
  border-radius:2px;
  background:var(--accent);
}
.story-copy p{color:var(--ink-soft);}

/* ===== 卡片 ===== */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
  overflow:hidden;
  height:100%;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--accent);}
.media{
  position:relative;
  overflow:hidden;
  background:var(--paper-alt);
  aspect-ratio:16/10;
}
.media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out;}
.card:hover .media img{transform:scale(1.03);}
.card-body{padding:22px;}
.card-body h3{margin:14px 0 10px;font-size:19px;}
.card-body p{font-size:14.5px;line-height:1.75;color:var(--ink-soft);margin-bottom:16px;}
.card-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--ink-soft);
}
.card-meta .arrow{color:var(--brand);font-weight:700;transition:transform var(--t);}
.card:hover .card-meta .arrow{transform:translateX(4px);}
.card-link{display:block;color:inherit;text-decoration:none;height:100%;}
.card-link:hover{color:inherit;}

/* 精选大卡 */
.feature-card .media{aspect-ratio:16/9;}
.feature-card .card-body{padding:28px;}
.feature-card .card-body h3{font-size:24px;line-height:1.35;margin-top:16px;}
.feature-card .card-body p{font-size:15px;}

/* 侧栏小卡 */
.mini-card{
  display:flex;
  gap:16px;
  align-items:stretch;
  padding:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
  text-decoration:none;
  color:inherit;
  height:100%;
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.mini-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-hover);color:inherit;}
.mini-thumb{
  flex:0 0 108px;
  width:108px;
  border-radius:10px;
  overflow:hidden;
  background:var(--paper-alt);
  aspect-ratio:1/1;
}
.mini-thumb img{width:100%;height:100%;object-fit:cover;}
.mini-body{flex:1 1 auto;min-width:0;}
.mini-body h3{font-size:16px;line-height:1.5;margin:8px 0 6px;}
.mini-body p{font-size:13px;color:var(--ink-soft);line-height:1.65;margin:0;}
.mini-stack{display:flex;flex-direction:column;gap:16px;height:100%;}

/* ===== 分类入口 ===== */
.cat-card{
  display:block;
  padding:28px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
  text-decoration:none;
  color:inherit;
  height:100%;
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
  position:relative;
}
.cat-card::after{
  content:"";
  position:absolute;
  left:28px;right:28px;bottom:0;
  height:3px;
  border-radius:999px 999px 0 0;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t);
}
.cat-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-hover);color:inherit;}
.cat-card:hover::after{transform:scaleX(1);}
.cat-icon{
  width:48px;height:48px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(18,64,46,.08);
  color:var(--brand);
  font-size:19px;
  margin-bottom:18px;
}
.cat-card h3{margin:0 0 10px;font-size:20px;}
.cat-card p{font-size:14.5px;color:var(--ink-soft);line-height:1.75;margin-bottom:18px;}
.cat-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}

/* ===== 信任背书 ===== */
.trust-wall{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(170px,1fr));
  gap:16px;
}
.trust-item{
  display:flex;
  align-items:center;
  gap:12px;
  padding:18px 20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  color:var(--ink-soft);
  font-size:14.5px;
  filter:grayscale(1);
  opacity:.72;
  transition:filter var(--t),opacity var(--t),border-color var(--t),transform var(--t);
}
.trust-item i{font-size:18px;color:var(--brand);}
.trust-item:hover{filter:grayscale(0);opacity:1;border-color:var(--accent);transform:translateY(-3px);}
.trust-note{
  margin-top:26px;
  font-size:14.5px;
  color:var(--ink-soft);
  max-width:760px;
}

/* ===== 最新信息 CMS ===== */
.post-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
  overflow:hidden;
  height:100%;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--accent);}
.post-card__link{display:flex;flex-direction:column;height:100%;color:inherit;text-decoration:none;}
.post-card__link:hover{color:inherit;}
.post-card__thumb{aspect-ratio:16/10;overflow:hidden;background:var(--paper-alt);}
.post-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out;}
.post-card:hover .post-card__thumb img{transform:scale(1.03);}
.post-card__body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto;}
.post-card__title{font-size:17px;line-height:1.55;margin:12px 0 8px;}
.post-card__desc{
  font-size:13.5px;
  color:var(--ink-soft);
  line-height:1.7;
  margin:0 0 16px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-card__meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:12px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--ink-soft);
}
.post-card__meta .arrow{color:var(--brand);font-weight:700;}
.empty-state{
  text-align:center;
  padding:56px 24px;
  background:var(--surface);
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
}
.empty-state .empty-icon{
  width:64px;height:64px;
  margin:0 auto 16px;
  border-radius:16px;
  background:var(--paper-alt);
  display:flex;align-items:center;justify-content:center;
  color:var(--ink-soft);
  font-size:22px;
}
.empty-state p{color:var(--ink-soft);margin-bottom:18px;}

/* ===== FAQ ===== */
.faq-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--line);position:relative;}
.faq-item:last-child{border-bottom:none;}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:var(--accent);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform var(--t);
}
.faq-item.is-open::before{transform:scaleY(1);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  background:transparent;
  border:none;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  transition:color var(--t),background var(--t);
}
.faq-q:hover{color:var(--brand);background:rgba(18,64,46,.03);}
.faq-q span.ico{
  flex:0 0 auto;
  width:24px;height:24px;
  border-radius:50%;
  border:1.5px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;
  color:var(--brand);
  transition:transform var(--t),border-color var(--t),background var(--t);
}
.faq-item.is-open .faq-q span.ico{transform:rotate(180deg);border-color:var(--accent);background:rgba(200,240,74,.2);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 260ms ease-out;
}
.faq-a-inner{padding:0 24px 20px;font-size:15px;line-height:1.85;color:var(--ink-soft);}

/* ===== CTA ===== */
.cta-block{
  background:var(--brand-deep);
  color:#fff;
  border-radius:20px;
  padding:56px;
  position:relative;
  overflow:hidden;
}
.cta-block::after{
  content:"";
  position:absolute;
  right:-90px;bottom:-120px;
  width:320px;height:320px;
  border-radius:50%;
  border:2px solid rgba(200,240,74,.18);
}
.cta-block h2{color:#fff;margin:0 0 12px;}
.cta-block p{color:rgba(255,255,255,.76);font-size:15.5px;margin:0;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-start;}
.field{flex:1 1 240px;min-width:0;}
.field input{
  width:100%;
  height:48px;
  padding:0 16px;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--ink);
  font-size:15px;
  transition:border-color var(--t),box-shadow var(--t);
}
.field input::placeholder{color:#97A29B;}
.field input:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(200,240,74,.35);
  outline:none;
}
.form-msg{font-size:13px;margin-top:12px;line-height:1.6;}
.form-msg.error{color:#C0392B;}
.form-msg.ok{color:#3E7D3E;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--brand-deep);
  color:#E7EAE2;
  padding:72px 0 28px;
  margin-top:0;
}
.footer-brand{display:inline-flex;align-items:baseline;gap:8px;margin-bottom:16px;}
.footer-brand .logo-main{color:#fff;font-size:21px;font-weight:800;letter-spacing:-.06em;font-family:ui-monospace,Menlo,monospace;}
.footer-brand .logo-sub{color:rgba(231,234,226,.72);font-size:13px;letter-spacing:.06em;}
.footer-about{font-size:14px;line-height:1.85;color:rgba(231,234,226,.72);max-width:300px;margin:0;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin:0 0 16px;letter-spacing:.02em;}
.footer-links{list-style:none;margin:0;padding:0;}
.footer-links li{margin-bottom:2px;}
.footer-links a{
  display:inline-block;
  padding:6px 0;
  font-size:14px;
  color:rgba(231,234,226,.78);
  text-decoration:none;
  transition:color var(--t),transform var(--t);
}
.footer-links a:hover{color:var(--accent);transform:translateX(3px);}
.footer-contact{font-size:14px;line-height:1.9;color:rgba(231,234,226,.78);}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(231,234,226,.6);
}
.footer-bottom a{color:rgba(231,234,226,.7);}
.footer-bottom a:hover{color:var(--accent);}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .hero-stats{gap:18px;}
}
@media (max-width:991px){
  :root{--space-section:72px;}
  .nav-menu,.nav-actions{display:none;}
  .menu-toggle{display:inline-flex;}
  .mega-panel{display:none;}
  .hero-inner{padding-top:48px;}
  .hero-stats{margin-top:44px;padding:24px 0 34px;}
  .cta-block{padding:40px 28px;}
  .stat-num{font-size:26px;}
}
@media (max-width:767px){
  :root{--space-section:56px;}
  body{font-size:16px;padding-top:64px;}
  .site-header{height:64px;}
  .site-header.is-scrolled{height:58px;}
  .mobile-drawer{top:64px;}
  h1{font-size:clamp(27px,7.6vw,34px);}
  .hero-inner{padding-top:36px;}
  .hero-sub{font-size:15.5px;}
  .hero-stats{grid-template-columns:1fr;gap:16px;padding:22px 0 30px;margin-top:36px;}
  .hero-figure{aspect-ratio:16/12;border-radius:14px 14px 14px 60px;}
  .feature-card .card-body{padding:20px;}
  .feature-card .card-body h3{font-size:20px;}
  .mini-card{flex-direction:column;}
  .mini-thumb{width:100%;flex:0 0 auto;aspect-ratio:16/10;}
  .section-head{margin-bottom:28px;}
  .cta-block{padding:32px 20px;border-radius:16px;}
  .cta-form .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-q{padding:16px 18px;font-size:15.5px;}
  .faq-a-inner{padding:0 18px 18px;}
}
@media (max-width:519px){
  .container{padding:0 18px;}
  .promise-item{padding:18px;}
  .cat-card{padding:22px;}
  .trust-wall{grid-template-columns:1fr 1fr;}
  .trust-item{font-size:13px;padding:14px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --brand:#12402E;
  --brand-deep:#0B2A1E;
  --accent:#C8F04A;
  --accent-warm:#FF6B2C;
  --paper:#F6F4EC;
  --paper-alt:#EFEDE3;
  --surface:#FFFFFF;
  --ink:#14201A;
  --ink-soft:#4A5750;
  --line:#D8D5C8;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow:0 8px 24px rgba(18,64,46,.08);
  --shadow-hover:0 14px 32px rgba(18,64,46,.14);
  --ease:180ms ease-out;
  --gutter:24px;
  --section-gap:104px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:72px;
  background:var(--paper);
  color:var(--ink);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-deep);}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;font-family:inherit;color:var(--ink);font-weight:700;letter-spacing:-0.01em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1440px){
  .container{max-width:1280px;}
}
/* ============ header ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:900;
  background:rgba(246,244,236,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--ease),border-color var(--ease),background var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--line);
  box-shadow:0 4px 18px rgba(18,64,46,.08);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:28px;
  transition:height var(--ease);
}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  flex-shrink:0;
  text-decoration:none;
}
.brand .logo-main{
  font-size:24px;
  font-weight:800;
  letter-spacing:-0.045em;
  color:var(--brand);
  line-height:1;
}
.brand .logo-sub{
  font-size:13px;
  font-weight:400;
  color:var(--ink-soft);
  letter-spacing:.02em;
  line-height:1;
}
.brand:hover .logo-main{color:var(--brand-deep);}
.main-nav{margin-left:12px;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--ink);
  border-radius:8px;
  transition:color var(--ease),background var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:3px;
  border-radius:999px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--ease);
}
.nav-link:hover,.nav-link:focus-visible{color:var(--brand);background:rgba(18,64,46,.05);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:var(--surface);
  color:var(--ink);
  font-size:14px;
  font-weight:600;
  transition:border-color var(--ease),background var(--ease),color var(--ease);
}
.mega-trigger i{font-size:11px;transition:transform var(--ease);}
.mega-trigger:hover{border-color:var(--brand);color:var(--brand);}
.mega-trigger[aria-expanded="true"]{border-color:var(--brand);color:var(--brand);background:rgba(200,240,74,.18);}
.mega-trigger[aria-expanded="true"] i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;
  top:calc(100% + 14px);
  right:0;
  width:520px;
  padding:18px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-hover);
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.mega-panel.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.mega-card{
  display:block;
  padding:16px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--paper);
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.mega-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow);}
.mega-card strong{
  display:block;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:4px;
}
.mega-card span{
  display:block;
  font-size:13px;
  color:var(--ink-soft);
  line-height:1.6;
}
.mega-card em{
  display:inline-block;
  margin-top:10px;
  font-style:normal;
  font-size:12px;
  font-weight:600;
  color:var(--brand);
  letter-spacing:.04em;
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--surface);
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;
  left:50%;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:translateX(-50%);
  transition:transform var(--ease),opacity var(--ease);
  content:"";
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateX(-50%) translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateX(-50%) translateY(-6px) rotate(-45deg);}
.mobile-drawer{
  display:none;
  padding:8px 20px 24px;
  background:var(--surface);
  border-top:1px solid var(--line);
  box-shadow:var(--shadow);
}
.mobile-drawer.is-open{display:block;}
.drawer-menu{margin-bottom:16px;}
.drawer-menu li + li{border-top:1px solid var(--line);}
.drawer-menu a{
  display:block;
  padding:14px 4px;
  font-size:16px;
  font-weight:500;
  color:var(--ink);
}
.drawer-menu a:hover{color:var(--brand);}
/* ============ buttons ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  border:1.5px solid transparent;
  font-size:16px;
  font-weight:600;
  line-height:1;
  text-decoration:none;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover,.btn-primary:focus-visible{background:var(--brand-deep);color:#fff;box-shadow:var(--shadow);}
.btn-accent{background:var(--accent-warm);color:#fff;}
.btn-accent:hover,.btn-accent:focus-visible{background:#e85a1c;color:#fff;box-shadow:var(--shadow);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover,.btn-ghost:focus-visible{background:rgba(18,64,46,.06);color:var(--brand-deep);border-color:var(--brand-deep);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
/* ============ breadcrumb ============ */
.breadcrumb{
  max-width:1200px;
  margin:0 auto;
  padding:26px 20px 0;
  font-size:13px;
  letter-spacing:.02em;
  color:var(--ink-soft);
}
@media (min-width:1440px){.breadcrumb{max-width:1280px;}}
.breadcrumb a{color:var(--ink-soft);text-decoration:none;}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;}
.breadcrumb .sep{margin:0 8px;color:var(--line);}
.breadcrumb .current{color:var(--ink);}
/* ============ article head ============ */
.article-head{
  max-width:760px;
  margin:0 auto;
  padding:34px 20px 0;
}
.article-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 14px;
  border-radius:999px;
  background:rgba(200,240,74,.18);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
}
.article-head h1{
  margin:18px 0 0;
  font-size:44px;
  line-height:1.15;
  font-weight:800;
  letter-spacing:-0.02em;
}
.article-head h1 mark{
  background:linear-gradient(180deg,transparent 62%,rgba(200,240,74,.75) 62%);
  color:inherit;
  padding:0 2px;
}
.article-lead{
  margin-top:16px;
  font-size:17px;
  color:var(--ink-soft);
  line-height:1.8;
}
.article-meta{
  margin-top:26px;
  padding-top:16px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 22px;
  font-size:13px;
  color:var(--ink-soft);
  letter-spacing:.03em;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--brand);font-size:12px;}
.article-meta .dot{
  width:6px;height:6px;border-radius:50%;background:var(--accent-warm);display:inline-block;
}
/* ============ article body ============ */
.article-main{
  max-width:760px;
  margin:0 auto;
  padding:0 20px 8px;
}
.article-body{
  margin-top:32px;
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  text-align:left;
}
.article-body p{margin:0 0 1em;}
.article-body h2{
  margin:40px 0 16px;
  font-size:28px;
  line-height:1.3;
  font-weight:700;
  padding-left:14px;
  border-left:4px solid var(--accent);
  border-radius:2px;
}
.article-body h3{
  margin:28px 0 12px;
  font-size:21px;
  line-height:1.4;
  font-weight:600;
}
.article-body h4{margin:22px 0 10px;font-size:18px;font-weight:600;}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 1.2em;}
.article-body ul li{list-style:disc;margin-bottom:.4em;}
.article-body ol li{list-style:decimal;margin-bottom:.4em;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body blockquote{
  margin:24px 0;
  padding:16px 20px;
  border-left:3px solid var(--accent);
  background:var(--paper-alt);
  border-radius:0 12px 12px 0;
  color:var(--ink-soft);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:12px;
  margin:24px auto;
  max-width:100%;
  background:var(--paper-alt);
}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  margin-top:10px;
  text-align:center;
  font-size:12px;
  color:var(--ink-soft);
}
.article-body strong{font-weight:700;color:var(--ink);}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:22px 0;
  font-size:15px;
}
.article-body th,.article-body td{
  border:1px solid var(--line);
  padding:12px 14px;
  text-align:left;
}
.article-body th{background:var(--paper-alt);font-weight:600;}
.article-empty{
  margin-top:36px;
  padding:56px 24px;
  text-align:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
}
.article-empty .empty-icon{
  width:64px;height:64px;
  margin:0 auto 18px;
  border-radius:16px;
  background:var(--paper-alt);
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand);
  font-size:24px;
}
.article-empty h2{font-size:22px;font-weight:700;margin-bottom:8px;}
.article-empty p{color:var(--ink-soft);font-size:15px;margin-bottom:20px;}
/* ============ sections ============ */
.section{padding-top:var(--section-gap);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:34px;
}
.section-head .eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.12em;
  color:var(--ink-soft);
  text-transform:uppercase;
  margin-bottom:10px;
}
.section-head h2{
  font-size:34px;
  line-height:1.25;
  font-weight:700;
  position:relative;
  padding-left:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:8px;bottom:8px;
  width:5px;
  border-radius:3px;
  background:var(--accent);
}
.section-head .more-link{
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  white-space:nowrap;
  border-bottom:2px solid transparent;
  transition:border-color var(--ease);
}
.section-head .more-link:hover{border-bottom-color:var(--accent);}
/* ============ cards ============ */
.card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-hover);}
.card-figure{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--paper-alt);
}
.card-figure img{width:100%;height:100%;object-fit:cover;transition:transform 420ms ease-out;}
.card:hover .card-figure img{transform:scale(1.03);}
.card-badge{
  position:absolute;
  top:12px;left:12px;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(200,240,74,.9);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  letter-spacing:.03em;
}
.card-body{
  display:flex;
  flex-direction:column;
  flex:1;
  padding:20px 22px 18px;
}
.card-body h3{
  font-size:19px;
  line-height:1.45;
  font-weight:600;
  margin-bottom:10px;
  transition:color var(--ease);
}
.card:hover .card-body h3{color:var(--brand);}
.card-body p{
  font-size:14.5px;
  line-height:1.75;
  color:var(--ink-soft);
  margin:0 0 16px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:12.5px;
  color:var(--ink-soft);
  letter-spacing:.02em;
}
.card-foot .arrow{
  width:30px;height:30px;
  border-radius:50%;
  background:var(--paper-alt);
  color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;
  transition:background var(--ease),color var(--ease);
}
.card:hover .card-foot .arrow{background:var(--brand);color:var(--accent);}
/* ============ faq ============ */
.faq-block{max-width:860px;margin:0 auto;}
.faq-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.accordion{border:0;background:transparent;margin:0;}
.accordion-item{border:0;border-bottom:1px solid var(--line);}
.accordion-item:last-child{border-bottom:0;}
.accordion-title{
  position:relative;
  display:block;
  padding:20px 56px 20px 24px;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  border:0;
  background:transparent;
  transition:background var(--ease),color var(--ease);
}
.accordion-title::before{
  content:"";
  position:absolute;
  left:0;top:16px;bottom:16px;
  width:3px;
  border-radius:3px;
  background:var(--accent);
  opacity:0;
  transition:opacity var(--ease);
}
.accordion-title::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  right:22px;top:50%;
  transform:translateY(-50%);
  font-size:12px;
  color:var(--ink-soft);
  transition:transform var(--ease),color var(--ease);
}
.accordion-title:hover{background:rgba(200,240,74,.12);color:var(--brand);}
.accordion-item.is-active .accordion-title::before{opacity:1;}
.accordion-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(180deg);color:var(--brand);}
.accordion-content{padding:0 24px 18px;border:0;background:transparent;}
.accordion-content p{
  margin:0;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-soft);
}
/* ============ cta band ============ */
.cta-band{
  margin-top:var(--section-gap);
  background:var(--brand-deep);
  color:#E7EAE2;
  padding:72px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-120px;top:-140px;
  width:420px;height:420px;
  border-radius:50%;
  border:1px solid rgba(200,240,74,.22);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:40px;bottom:-190px;
  width:320px;height:320px;
  border-radius:50%;
  background:rgba(200,240,74,.06);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:center;}
.cta-inner h2{
  color:#fff;
  font-size:34px;
  line-height:1.25;
  font-weight:700;
  margin-bottom:14px;
}
.cta-inner p{color:#C7D2C9;font-size:15.5px;line-height:1.8;margin:0;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{
  flex:1 1 220px;
  height:48px;
  padding:0 16px;
  border-radius:var(--radius-btn);
  border:1px solid rgba(231,234,226,.28);
  background:rgba(255,255,255,.08);
  color:#fff;
  font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.cta-form input::placeholder{color:rgba(231,234,226,.6);}
.cta-form input:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(200,240,74,.24);
}
.cta-note{
  flex-basis:100%;
  font-size:12.5px;
  color:rgba(231,234,226,.66);
  margin-top:2px;
}
.cta-msg{flex-basis:100%;font-size:13px;color:var(--accent);min-height:18px;}
/* ============ back link row ============ */
.back-row{
  max-width:760px;
  margin:40px auto 0;
  padding:0 20px;
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
}
/* ============ footer ============ */
.site-footer{
  margin-top:var(--section-gap);
  background:var(--brand-deep);
  color:#E7EAE2;
  padding:64px 0 0;
}
.site-footer .container{padding-top:0;}
.footer-brand{display:flex;align-items:baseline;gap:8px;margin-bottom:16px;}
.site-footer .logo-main{
  font-size:22px;font-weight:800;letter-spacing:-0.045em;color:#fff;line-height:1;
}
.site-footer .logo-sub{font-size:13px;color:rgba(231,234,226,.72);line-height:1;}
.footer-about{
  font-size:14px;
  line-height:1.8;
  color:rgba(231,234,226,.72);
  margin:0;
}
.footer-title{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin:0 0 16px;
  padding-bottom:10px;
  border-bottom:1px solid rgba(231,234,226,.16);
}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  font-size:14px;
  color:rgba(231,234,226,.74);
  transition:color var(--ease),padding-left var(--ease);
}
.footer-links a:hover{color:var(--accent);padding-left:4px;}
.footer-contact p{
  font-size:13.5px;
  line-height:1.8;
  color:rgba(231,234,226,.72);
  margin:0 0 14px;
}
.footer-contact strong{color:#fff;font-weight:600;display:inline-block;margin-bottom:2px;}
.footer-bottom{
  margin-top:48px;
  padding:20px 0 26px;
  border-top:1px solid rgba(231,234,226,.16);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:12.5px;
  color:rgba(231,234,226,.6);
  letter-spacing:.02em;
}
.site-footer .grid-padding-x > .cell{padding-bottom:28px;}
/* ============ responsive ============ */
@media (max-width:1199px){
  :root{--section-gap:88px;}
  .article-head h1{font-size:40px;}
  .section-head h2{font-size:30px;}
  .cta-inner h2{font-size:30px;}
}
@media (max-width:991px){
  :root{--section-gap:72px;}
  .main-nav{display:none;}
  .mega-wrap{display:none;}
  .nav-toggle{display:block;}
  .brand .logo-main{font-size:21px;}
  .article-head{padding-top:26px;}
  .article-head h1{font-size:34px;}
  .article-body{font-size:16.5px;}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:767px){
  :root{--section-gap:56px;}
  body{padding-top:66px;font-size:15.5px;}
  .header-inner{height:66px;gap:12px;}
  .site-header.is-scrolled .header-inner{height:60px;}
  .brand .logo-main{font-size:19px;}
  .brand .logo-sub{font-size:11.5px;}
  .header-actions .btn-sm{display:none;}
  .breadcrumb{padding-top:20px;font-size:12.5px;}
  .article-head{padding-top:20px;}
  .article-head h1{font-size:30px;}
  .article-lead{font-size:15.5px;}
  .article-meta{gap:8px 16px;font-size:12.5px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:23px;margin-top:34px;}
  .article-body h3{font-size:19px;}
  .section-head h2{font-size:25px;}
  .accordion-title{font-size:15.5px;padding:16px 48px 16px 18px;}
  .accordion-content{padding:0 18px 16px;}
  .cta-band{padding:52px 0;}
  .cta-inner h2{font-size:26px;}
  .cta-form{flex-direction:column;}
  .cta-form input,.cta-form .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .back-row{padding:0 20px;}
}
@media (max-width:520px){
  .article-head h1{font-size:27px;}
  .card-body{padding:16px 16px 14px;}
  .card-body h3{font-size:17px;}
}

/* roulang page: category1 */
:root{
  --brand:#12402E;
  --brand-deep:#0B2A1E;
  --accent:#C8F04A;
  --accent-warm:#FF6B2C;
  --paper:#F6F4EC;
  --paper-alt:#EFEDE3;
  --surface:#FFFFFF;
  --ink:#14201A;
  --ink-soft:#4A5750;
  --line:#D8D5C8;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow:0 8px 24px rgba(18,64,46,.08);
  --shadow-hover:0 14px 32px rgba(18,64,46,.14);
  --t:180ms ease-out;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color var(--t),opacity var(--t)}
a:hover{color:var(--brand-deep)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.25}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media(min-width:1440px){.container{max-width:1280px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(246,244,236,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--t),border-color var(--t),background var(--t);
}
.site-header.is-compact{box-shadow:0 6px 18px rgba(18,64,46,.08);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;transition:height var(--t)}
.site-header.is-compact .header-inner{height:60px}
.brand{display:inline-flex;align-items:baseline;gap:7px;flex-shrink:0}
.logo-main{font-size:23px;font-weight:800;letter-spacing:-.045em;color:var(--brand);line-height:1}
.logo-sub{font-size:13px;font-weight:400;letter-spacing:.05em;color:var(--ink-soft);line-height:1}
.main-nav{flex:1 1 auto;display:flex;justify-content:center}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-link{
  display:inline-block;position:relative;
  padding:10px 16px;border-radius:8px;
  font-size:15.5px;font-weight:500;color:var(--ink);
  transition:color var(--t),background var(--t);
}
.nav-link::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:3px;
  background:var(--accent);border-radius:3px;
  transform:scaleX(0);transform-origin:left center;
  transition:transform var(--t);
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}

/* Mega 面板 */
.mega-wrap{position:relative}
.mega-toggle{
  display:inline-flex;align-items:center;gap:7px;
  height:40px;padding:0 14px;border-radius:var(--radius-btn);
  background:transparent;border:1px solid var(--line);color:var(--ink);
  font-size:15px;font-weight:500;cursor:pointer;
  transition:all var(--t);
}
.mega-toggle:hover{border-color:var(--brand);color:var(--brand)}
.mega-toggle i{font-size:11px;transition:transform var(--t)}
.mega-wrap.is-open .mega-toggle{border-color:var(--brand);color:var(--brand)}
.mega-wrap.is-open .mega-toggle i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:640px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-hover);padding:22px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel,.mega-wrap.is-open .mega-panel{
  opacity:1;visibility:visible;transform:translateY(0);
}
.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.mega-card{
  display:block;padding:16px;border-radius:12px;border:1px solid var(--line);
  background:var(--paper);transition:all var(--t);
}
.mega-card:hover{border-color:var(--accent);background:var(--surface);transform:translateY(-3px);box-shadow:var(--shadow)}
.mega-card h4{font-size:15px;font-weight:600;margin-bottom:6px;color:var(--brand)}
.mega-card p{font-size:13px;line-height:1.7;color:var(--ink-soft);margin:0}
.mega-card .mega-arrow{display:inline-block;margin-top:10px;font-size:12px;color:var(--brand);letter-spacing:.04em}

/* 移动端 */
.nav-burger{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:var(--surface);color:var(--brand);
  cursor:pointer;transition:all var(--t);
}
.nav-burger:hover{border-color:var(--brand)}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:var(--surface);
  padding:16px 20px 24px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer .drawer-link{
  display:block;padding:13px 12px;border-radius:10px;
  font-size:16px;font-weight:500;color:var(--ink);
  transition:background var(--t),color var(--t);
}
.mobile-drawer .drawer-link:hover{background:var(--paper-alt);color:var(--brand)}
.mobile-drawer .drawer-link.is-active{background:rgba(200,240,74,.18);color:var(--brand);font-weight:600}
.mobile-drawer .btn{margin-top:14px;width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:16px;font-weight:600;line-height:1;text-align:center;
  border:1.5px solid transparent;cursor:pointer;white-space:nowrap;
  transition:all var(--t);
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.btn-warm{background:var(--accent-warm);color:#fff}
.btn-warm:hover{background:#e85a1c;color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,107,44,.28)}
.btn-sm{height:40px;padding:0 18px;font-size:15px}
.btn-accent{background:var(--accent);color:var(--brand-deep)}
.btn-accent:hover{background:#d9ff63;color:var(--brand-deep);transform:translateY(-2px)}

/* ---------- 通用排版 ---------- */
.eyebrow{
  display:inline-block;margin-bottom:14px;
  padding:6px 14px;border-radius:999px;
  background:rgba(200,240,74,.18);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.08em;
}
.section{padding:96px 0}
.section-alt{background:var(--paper-alt)}
.section-head{max-width:720px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:34px;line-height:1.25;letter-spacing:-.01em;margin-bottom:14px}
.section-desc{font-size:16.5px;color:var(--ink-soft);margin:0}
.narrow{max-width:860px;margin-left:auto;margin-right:auto}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-soft);letter-spacing:.02em;
  padding:22px 0 0;
}
.breadcrumb a{color:var(--ink-soft)}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline}
.breadcrumb .current{color:var(--brand);font-weight:600}

/* ---------- 小 Hero ---------- */
.page-hero{
  background:var(--paper-alt);
  position:relative;overflow:hidden;
  padding-bottom:72px;
}
.page-hero::before{
  content:"";position:absolute;top:-120px;right:-140px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(200,240,74,.28),transparent 62%);
  pointer-events:none;
}
.page-hero .grid-x{position:relative;z-index:1;margin-top:32px}
.page-hero h1{
  font-size:44px;line-height:1.15;letter-spacing:-.02em;font-weight:800;
  margin-bottom:18px;
}
.page-hero h1 .hl{
  position:relative;color:var(--brand);white-space:nowrap;
  background:linear-gradient(transparent 62%,rgba(200,240,74,.75) 62%);
}
.hero-sub{font-size:17.5px;line-height:1.8;color:var(--ink-soft);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-thumb{
  margin:0;border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow);background:var(--paper-alt);border:1px solid var(--line);
  aspect-ratio:16/10;
}
.hero-thumb img{width:100%;height:100%;object-fit:cover}
.hero-side-note{
  margin-top:18px;padding:16px 18px;border-left:3px solid var(--accent);
  background:var(--surface);border-radius:0 12px 12px 0;
  font-size:14px;color:var(--ink-soft);box-shadow:var(--shadow);
}

/* ---------- 步骤时间线 ---------- */
.timeline{position:relative}
.step{
  position:relative;
  padding:0 10px 0 0;
  margin-bottom:32px;
}
.step-num{
  width:56px;height:56px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;border:2px solid var(--brand);
  background:var(--surface);color:var(--brand);
  font-size:19px;font-weight:800;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  position:relative;z-index:2;
  transition:all var(--t);
}
.step:hover .step-num{background:var(--accent);border-color:var(--accent);color:var(--brand-deep);box-shadow:0 8px 20px rgba(18,64,46,.16)}
.step-title{font-size:19px;font-weight:600;margin:18px 0 10px;line-height:1.4}
.step-text{font-size:15px;line-height:1.8;color:var(--ink-soft);margin:0}
.step-tag{
  display:inline-block;margin-top:14px;padding:4px 10px;border-radius:999px;
  background:var(--paper-alt);color:var(--ink-soft);font-size:12px;letter-spacing:.04em;
}
@media(min-width:992px){
  .timeline::before{
    content:"";position:absolute;top:27px;left:8%;right:8%;height:2px;
    background:linear-gradient(90deg,var(--line) 0%,var(--accent) 55%,var(--line) 100%);
    z-index:0;
  }
  .step{margin-bottom:0}
}
@media(max-width:991px){
  .timeline::before{
    content:"";position:absolute;top:8px;bottom:34px;left:37px;width:2px;
    background:repeating-linear-gradient(180deg,var(--line) 0 8px,transparent 8px 16px);
    z-index:0;
  }
  .step{display:flex;gap:20px;padding-right:0}
  .step-body{flex:1 1 auto;padding-bottom:16px}
  .step-title{margin-top:8px}
}

/* ---------- 图文说明 ---------- */
.feature-media{
  margin:0;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);background:var(--paper-alt);
  box-shadow:var(--shadow);aspect-ratio:16/10;
}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.feature-media:hover img{transform:scale(1.03)}
.feature h2{font-size:34px;line-height:1.25;margin-bottom:16px}
.feature-copy p{font-size:16.5px;color:var(--ink-soft)}
.check-list{margin-top:24px}
.check-list li{
  position:relative;padding-left:32px;margin-bottom:14px;
  font-size:15.5px;color:var(--ink);line-height:1.8;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:8px;
  width:18px;height:18px;border-radius:6px;
  background:rgba(200,240,74,.35);border:1px solid var(--accent);
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:13px;
  width:8px;height:4px;border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);
}
.check-list li strong{font-weight:600}

/* ---------- 提示卡 ---------- */
.tip-card{
  height:100%;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:28px 24px;
  box-shadow:var(--shadow);transition:all var(--t);
}
.tip-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-hover)}
.tip-icon{
  width:46px;height:46px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(200,240,74,.22);color:var(--brand);
  font-size:19px;margin-bottom:18px;
}
.tip-card h3{font-size:20px;margin-bottom:10px;line-height:1.4}
.tip-card p{font-size:15px;color:var(--ink-soft);line-height:1.8;margin:0}
.tip-card .tip-meta{
  display:block;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--ink-soft);letter-spacing:.02em;
}

/* ---------- FAQ ---------- */
.accordion{
  border:none;background:transparent;margin:0;
}
.accordion-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:12px;margin-bottom:12px;overflow:hidden;
  position:relative;transition:box-shadow var(--t),border-color var(--t);
}
.accordion-item:hover{border-color:#c9c5b4}
.accordion-item.is-active{box-shadow:var(--shadow);border-color:var(--line)}
.accordion-item.is-active::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--accent);border-radius:0 3px 3px 0;
}
.accordion-title{
  display:block;border:none;padding:18px 56px 18px 24px;
  font-size:17px;font-weight:600;color:var(--ink);background:transparent;
  position:relative;transition:color var(--t);
}
.accordion-title:hover{color:var(--brand);background:transparent}
.accordion-title::before{
  content:"+";font-family:inherit;font-size:22px;font-weight:400;color:var(--brand);
  position:absolute;right:22px;top:50%;transform:translateY(-50%);line-height:1;
}
.accordion-title[aria-expanded="true"]::before{content:"−"}
.accordion-title[aria-expanded="true"]{background:rgba(200,240,74,.10)}
.accordion-content{
  border:none;background:transparent;padding:0 24px 20px;
  color:var(--ink-soft);line-height:1.85;font-size:15.5px;
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-deep);color:#E7EAE2;
  padding:80px 0;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-140px;width:420px;height:420px;
  border-radius:50%;border:1px solid rgba(200,240,74,.35);
  box-shadow:0 0 0 46px rgba(200,240,74,.06);
  pointer-events:none;
}
.cta-band .container{position:relative;z-index:1}
.cta-title{
  font-size:34px;font-weight:800;line-height:1.25;letter-spacing:-.01em;
  color:#fff;margin-bottom:16px;
}
.cta-text{font-size:16.5px;color:#C3CCC0;margin:0;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.cta-band .btn-ghost:hover{background:#fff;color:var(--brand-deep);border-color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#E7EAE2;padding:72px 0 0}
.footer-brand{display:flex;align-items:baseline;gap:7px;margin-bottom:16px}
.footer-brand .logo-main{color:#fff;font-size:22px;font-weight:800;letter-spacing:-.045em}
.footer-brand .logo-sub{color:var(--accent);font-size:13px;letter-spacing:.05em}
.footer-about{font-size:14px;line-height:1.85;color:#AEB9AD;margin:0}
.footer-title{font-size:16px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14.5px;color:#C3CCC0}
.footer-links a:hover{color:var(--accent);text-decoration:underline}
.footer-contact p{font-size:14px;line-height:1.85;color:#AEB9AD;margin-bottom:14px}
.footer-contact strong{color:#E7EAE2;font-weight:600}
.footer-bottom{
  margin-top:56px;padding:20px 0;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#93A094;letter-spacing:.02em;
}
.site-footer .grid-x{margin-bottom:8px}
.site-footer .cell{margin-bottom:28px}

/* ---------- 响应式 ---------- */
@media(max-width:1199px){
  .page-hero h1{font-size:40px}
  .section-head h2,.feature h2,.cta-title{font-size:30px}
}
@media(max-width:991px){
  .main-nav{display:none}
  .header-actions .btn{display:none}
  .nav-burger{display:inline-flex}
  .mega-wrap{display:none}
  .section{padding:72px 0}
  .page-hero{padding-bottom:64px}
  .page-hero h1{font-size:36px}
  .page-hero .grid-x{margin-top:24px}
  .page-hero .cell + .cell{margin-top:32px}
  .section-head{margin-bottom:36px}
}
@media(max-width:767px){
  body{font-size:16px}
  .section{padding:56px 0}
  .page-hero h1{font-size:31px}
  .hero-sub{font-size:16px}
  .section-head h2,.feature h2,.cta-title{font-size:26px}
  .cta-band{padding:56px 0}
  .btn{height:46px;padding:0 20px;font-size:15.5px}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .accordion-title{font-size:16px;padding:16px 48px 16px 18px}
  .accordion-content{padding:0 18px 18px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media(max-width:520px){
  .logo-main{font-size:19px}
  .logo-sub{font-size:11px}
  .page-hero h1{font-size:28px}
  .hero-sub{font-size:15.5px}
  .step-num{width:48px;height:48px;font-size:17px}
  .timeline::before{left:32px}
  .container{padding:0 16px}
}

/* roulang page: category2 */
:root{
  --brand:#12402E;
  --brand-deep:#0B2A1E;
  --accent:#C8F04A;
  --accent-warm:#FF6B2C;
  --paper:#F6F4EC;
  --paper-alt:#EFEDE3;
  --surface:#FFFFFF;
  --ink:#14201A;
  --ink-soft:#4A5750;
  --line:#D8D5C8;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow:0 8px 24px rgba(18,64,46,.08);
  --shadow-hover:0 14px 32px rgba(18,64,46,.14);
  --ease:180ms ease-out;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease);}
a:hover{color:var(--brand-deep);}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
[id]{scroll-margin-top:96px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.section-pad{padding:88px 0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1.5px solid transparent;transition:transform var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease),color var(--ease);
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(18,64,46,.18);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;box-shadow:0 12px 26px rgba(18,64,46,.24);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:rgba(18,64,46,.07);color:var(--brand-deep);border-color:var(--brand-deep);}
.btn-warm{background:var(--accent-warm);color:#fff;}
.btn-warm:hover{background:#e85a1c;color:#fff;}
.btn-light{background:var(--accent);color:var(--brand-deep);}
.btn-light:hover{background:#d6f96a;color:var(--brand-deep);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(200,240,74,.18);color:var(--brand);
}
.badge-muted{background:var(--paper-alt);color:var(--ink-soft);}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--ink-soft);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(246,244,236,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--ease),border-color var(--ease),background var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(18,64,46,.08);}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height var(--ease);}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{display:flex;align-items:baseline;gap:7px;flex-shrink:0;}
.logo-main{font-size:23px;font-weight:800;letter-spacing:-.045em;color:var(--brand);}
.logo-sub{font-size:12.5px;font-weight:500;letter-spacing:.06em;color:var(--ink-soft);}
nav[aria-label="主导航"]{display:block;}
.nav-menu{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;display:inline-block;padding:24px 0;
  font-size:15px;font-weight:600;color:var(--ink);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:15px;height:3px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-link:hover,.nav-link:focus-visible{color:var(--brand);}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.mega-wrap{position:relative;}
.mega-toggle{
  display:inline-flex;align-items:center;gap:7px;
  height:40px;padding:0 16px;border-radius:var(--radius-btn);
  background:transparent;border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--ink-soft);
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.mega-toggle:hover,.mega-wrap.is-open .mega-toggle{border-color:var(--brand);color:var(--brand);background:rgba(18,64,46,.04);}
.mega-toggle i{font-size:11px;transition:transform var(--ease);}
.mega-wrap.is-open .mega-toggle i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;
  width:min(660px,calc(100vw - 48px));
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-hover);padding:18px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.mega-wrap:hover .mega-panel,.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-card{
  display:block;padding:16px;border:1px solid var(--line);border-radius:12px;
  background:var(--paper);transition:border-color var(--ease),transform var(--ease),background var(--ease);
}
.mega-card:hover{border-color:var(--accent);background:var(--surface);transform:translateY(-3px);}
.mega-card .mega-kicker{display:block;font-size:11px;letter-spacing:.1em;color:var(--ink-soft);font-family:var(--mono);text-transform:uppercase;}
.mega-card strong{display:block;margin:6px 0 4px;font-size:15px;font-weight:700;color:var(--ink);}
.mega-card span.desc{display:block;font-size:12.5px;line-height:1.6;color:var(--ink-soft);}
.mega-card i.arrow{display:block;margin-top:10px;color:var(--brand);font-size:12px;}
.mobile-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);
}
.drawer{
  display:none;position:fixed;top:72px;left:0;right:0;
  background:var(--surface);border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-hover);padding:18px 24px 26px;z-index:80;
}
.drawer.is-open{display:block;}
.drawer-list{display:flex;flex-direction:column;gap:4px;margin-bottom:16px;}
.drawer-list a{
  display:block;padding:12px 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--ink);
}
.drawer-list a:hover{background:var(--paper-alt);color:var(--brand);}
.drawer-list a.is-active{background:rgba(200,240,74,.18);color:var(--brand);}

/* ---------- 页面首屏 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-color:var(--brand-deep);
  background-image:linear-gradient(105deg,rgba(11,42,30,.96) 0%,rgba(11,42,30,.86) 48%,rgba(11,42,30,.62) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  color:#E7EAE2;padding:56px 0 64px;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:520px;height:320px;
  background:var(--accent);opacity:.10;transform:rotate(-6deg);border-radius:40px;pointer-events:none;
}
.breadcrumb{font-size:13px;color:rgba(231,234,226,.72);margin-bottom:22px;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:rgba(231,234,226,.4);}
.breadcrumb a{color:rgba(231,234,226,.82);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .current{color:#fff;}
.page-hero h1{
  font-size:46px;line-height:1.15;font-weight:800;letter-spacing:-.02em;
  color:#fff;max-width:19em;
}
.page-hero h1 .hl{
  color:var(--accent);
  box-shadow:inset 0 -10px 0 rgba(200,240,74,.18);
}
.page-hero .lede{
  margin-top:18px;max-width:36em;font-size:17px;line-height:1.85;color:rgba(231,234,226,.86);
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-chip{
  display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 14px;border-radius:999px;
  border:1px solid rgba(231,234,226,.28);
  font-size:13px;color:rgba(231,234,226,.9);
}
.hero-chip i{color:var(--accent);font-size:12px;}
.hero-chip b{font-family:var(--mono);font-weight:700;color:#fff;font-variant-numeric:tabular-nums;}

/* ---------- 内容区布局 ---------- */
.content-shell{padding:72px 0 82px;background:var(--paper);}
.layout-grid{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px;}
.layout-col{padding-left:12px;padding-right:12px;}
.aside-col{flex:0 0 27%;max-width:27%;}
.main-col{flex:1 1 0;min-width:0;max-width:73%;}
.anchor-nav{
  position:sticky;top:96px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 18px;box-shadow:var(--shadow);
}
.anchor-title{
  font-size:12px;letter-spacing:.12em;font-family:var(--mono);color:var(--ink-soft);
  text-transform:uppercase;margin-bottom:12px;display:block;
}
.anchor-list{display:flex;flex-direction:column;gap:2px;}
.anchor-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:8px;
  font-size:14px;font-weight:600;color:var(--ink-soft);
  border-left:3px solid transparent;
}
.anchor-list a span.num{font-family:var(--mono);font-size:12px;color:var(--line);}
.anchor-list a:hover{background:var(--paper-alt);color:var(--brand);}
.anchor-list a.is-current{
  background:rgba(200,240,74,.14);color:var(--brand);border-left-color:var(--accent);
}
.anchor-note{
  margin-top:16px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;line-height:1.7;color:var(--ink-soft);
}
.anchor-note a{font-weight:600;text-decoration:underline;text-underline-offset:3px;}

.group{margin-bottom:52px;}
.group:last-child{margin-bottom:0;}
.group-head{display:flex;align-items:center;gap:12px;margin-bottom:8px;}
.group-head::before{
  content:"";width:4px;height:22px;border-radius:2px;background:var(--accent);flex:0 0 auto;
}
.group-head h2{font-size:30px;line-height:1.25;font-weight:700;letter-spacing:-.01em;}
.group-desc{font-size:15px;color:var(--ink-soft);margin-bottom:24px;max-width:52em;}
.card-grid{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px;}
.card-grid > .cell{padding-left:12px;padding-right:12px;margin-bottom:24px;}

/* ---------- 内容卡 ---------- */
.topic-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--accent);}
.card-media{
  position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--paper-alt);
  border-bottom:1px solid var(--line);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 300ms ease-out;}
.topic-card:hover .card-media img{transform:scale(1.03);}
.card-media .media-tag{
  position:absolute;left:12px;top:12px;background:rgba(11,42,30,.82);color:#fff;
  height:24px;padding:0 10px;border-radius:999px;font-size:11.5px;font-weight:600;
  display:inline-flex;align-items:center;letter-spacing:.04em;
}
.card-body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-body h3{font-size:19px;line-height:1.4;font-weight:600;margin-bottom:10px;}
.card-body h3 a{color:var(--ink);}
.card-body h3 a:hover{color:var(--brand);}
.card-body p{
  font-size:14.5px;line-height:1.8;color:var(--ink-soft);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:18px;
}
.card-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-soft);
}
.card-meta .dot{width:5px;height:5px;border-radius:999px;background:var(--accent-warm);flex:0 0 auto;}
.card-meta .go{
  margin-left:auto;color:var(--brand);font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
}
.topic-card:hover .card-meta .go{color:var(--brand-deep);}

/* ---------- 深色引导横条 ---------- */
.band-section{background:var(--brand-deep);color:#E7EAE2;padding:56px 0;position:relative;overflow:hidden;}
.band-section::before{
  content:"";position:absolute;left:-140px;top:-120px;width:420px;height:280px;
  background:var(--accent);opacity:.09;transform:rotate(-6deg);border-radius:40px;
}
.band-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.band-inner h2{font-size:30px;line-height:1.3;font-weight:700;color:#fff;max-width:22em;}
.band-inner p{margin-top:10px;font-size:15px;color:rgba(231,234,226,.8);max-width:40em;}
.band-inner .btn{flex:0 0 auto;}

/* ---------- 相关推荐 ---------- */
.related-section{padding:82px 0;background:var(--paper-alt);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap;}
.section-head h2{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.01em;}
.section-head p{margin-top:8px;font-size:15px;color:var(--ink-soft);max-width:46em;}
.text-link{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:8px;}
.text-link:hover{gap:12px;color:var(--brand-deep);}
.rel-card{
  display:flex;align-items:center;gap:16px;height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--accent);}
.rel-icon{
  flex:0 0 auto;width:48px;height:48px;border-radius:12px;
  background:rgba(200,240,74,.22);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.rel-card h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:4px;}
.rel-card p{font-size:13.5px;line-height:1.7;color:var(--ink-soft);}
.rel-card .rel-arrow{margin-left:auto;color:var(--brand);font-size:14px;}

/* ---------- FAQ ---------- */
.faq-section{padding:84px 0;background:var(--paper);}
.faq-wrap{max-width:880px;}
.faq-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow);overflow:hidden;}
.faq-list .accordion-item{border-bottom:1px solid var(--line);}
.faq-list .accordion-item:last-child{border-bottom:0;}
.faq-list .accordion-title{
  display:block;padding:20px 22px 20px 22px;
  font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.55;
  background:transparent;border:0;border-left:3px solid transparent;
  transition:border-color var(--ease),background var(--ease),color var(--ease);
}
.faq-list .accordion-title::before{display:none;}
.faq-list .accordion-title:hover{background:rgba(239,237,227,.5);color:var(--brand);}
.faq-list .accordion-item.is-active .accordion-title{
  border-left-color:var(--accent);color:var(--brand);background:rgba(200,240,74,.10);
}
.faq-list .accordion-content{padding:0 22px;background:transparent;color:var(--ink-soft);border:0;}
.faq-list .accordion-content p{font-size:15px;line-height:1.85;padding:16px 0;margin:0;}
.faq-list .accordion-content a{text-decoration:underline;text-underline-offset:3px;font-weight:600;}

/* ---------- 订阅表单 ---------- */
.subscribe-section{padding:78px 0 88px;background:var(--paper-alt);}
.subscribe-card{
  background:var(--surface);border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow);padding:40px;
  display:flex;align-items:center;gap:44px;flex-wrap:wrap;
}
.subscribe-copy{flex:1 1 380px;min-width:0;}
.subscribe-copy h2{font-size:28px;line-height:1.3;font-weight:700;margin-bottom:10px;}
.subscribe-copy p{font-size:15px;color:var(--ink-soft);max-width:36em;}
.subscribe-form{flex:1 1 420px;min-width:0;display:grid;grid-template-columns:1fr auto;gap:12px;}
.subscribe-form input{
  height:48px;padding:0 16px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:var(--paper);color:var(--ink);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.subscribe-form input::placeholder{color:#8b968f;}
.subscribe-form input:focus{
  outline:none;border-color:var(--brand);background:var(--surface);
  box-shadow:0 0 0 4px rgba(200,240,74,.35);
}
.subscribe-form input.is-error{border-color:#C0392B;box-shadow:0 0 0 4px rgba(192,57,43,.12);}
.form-msg{grid-column:1/-1;font-size:13px;line-height:1.6;min-height:18px;padding-top:2px;}
.form-msg.is-error{color:#C0392B;}
.form-msg.is-success{color:var(--brand);font-weight:600;}
.form-note{grid-column:1/-1;font-size:13px;color:var(--ink-soft);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#E7EAE2;padding:64px 0 26px;}
.site-footer .footer-brand{display:flex;align-items:baseline;gap:7px;margin-bottom:16px;}
.site-footer .logo-main{color:#fff;font-size:22px;font-weight:800;letter-spacing:-.04em;}
.site-footer .logo-sub{color:rgba(231,234,226,.72);font-size:12.5px;letter-spacing:.05em;}
.footer-about{font-size:14px;line-height:1.85;color:rgba(231,234,226,.72);max-width:24em;}
.footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(231,234,226,.76);}
.footer-links a:hover{color:var(--accent);}
.footer-contact p{font-size:13.5px;line-height:1.8;color:rgba(231,234,226,.72);margin-bottom:14px;}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(231,234,226,.16);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(231,234,226,.6);
}
.site-footer .grid-x{margin-left:-12px;margin-right:-12px;}
.site-footer .grid-x > .cell{padding-left:12px;padding-right:12px;margin-bottom:32px;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .page-hero h1{font-size:40px;}
  .group-head h2{font-size:27px;}
  .anchor-nav{padding:16px 14px;}
}
@media screen and (max-width:991px){
  body{font-size:16px;}
  .nav-menu{display:none;}
  .header-actions .btn{display:none;}
  .mega-wrap{display:none;}
  .mobile-toggle{display:inline-flex;}
  .header-inner{height:64px;gap:16px;}
  .site-header.is-scrolled .header-inner{height:60px;}
  .drawer{top:64px;}
  .page-hero{padding:44px 0 52px;}
  .page-hero h1{font-size:34px;}
  .page-hero .lede{font-size:15.5px;}
  .content-shell{padding:48px 0 56px;}
  .aside-col{flex:0 0 100%;max-width:100%;margin-bottom:28px;}
  .main-col{flex:0 0 100%;max-width:100%;}
  .anchor-nav{position:static;padding:14px;}
  .anchor-title{margin-bottom:10px;}
  .anchor-list{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:4px;-webkit-overflow-scrolling:touch;}
  .anchor-list a{
    flex:0 0 auto;border-left:0;border:1px solid var(--line);
    border-radius:999px;padding:8px 16px;font-size:13.5px;background:var(--paper);
  }
  .anchor-list a span.num{display:none;}
  .anchor-list a.is-current{background:rgba(200,240,74,.22);border-color:var(--accent);}
  .anchor-note{margin-top:12px;padding-top:12px;}
  .group{margin-bottom:42px;}
  .group-head h2{font-size:25px;}
  .band-inner{gap:22px;}
  .band-inner h2{font-size:25px;}
  .section-head h2{font-size:27px;}
  .related-section,.faq-section,.subscribe-section{padding:56px 0;}
  .subscribe-card{padding:28px;gap:24px;}
  .subscribe-form{grid-template-columns:1fr;}
  .subscribe-form .btn{width:100%;}
}
@media screen and (max-width:767px){
  .container{padding:0 18px;}
  .page-hero h1{font-size:30px;}
  .page-hero .lede{font-size:15px;}
  .hero-chip{font-size:12px;height:30px;padding:0 12px;}
  .section-pad{padding:56px 0;}
  .card-grid > .cell{margin-bottom:20px;}
  .band-inner{flex-direction:column;align-items:flex-start;}
  .band-inner .btn{width:100%;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .subscribe-card{padding:22px;}
  .subscribe-copy h2{font-size:24px;}
}
@media screen and (max-width:519px){
  .logo-main{font-size:20px;}
  .logo-sub{font-size:11.5px;}
  .page-hero h1{font-size:27px;}
  .group-head h2{font-size:22px;}
  .card-body{padding:16px;}
  .card-body h3{font-size:17px;}
}

/* roulang page: category3 */
:root{
  --brand:#12402E;
  --brand-deep:#0B2A1E;
  --accent:#C8F04A;
  --accent-warm:#FF6B2C;
  --paper:#F6F4EC;
  --paper-alt:#EFEDE3;
  --surface:#FFFFFF;
  --ink:#14201A;
  --ink-soft:#4A5750;
  --line:#D8D5C8;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow:0 8px 24px rgba(18,64,46,.08);
  --shadow-hover:0 14px 32px rgba(18,64,46,.14);
  --ease:180ms ease-out;
  --font-base:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-align:left;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease),opacity var(--ease)}
a:hover{color:var(--brand-deep)}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--ink)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1280px}}

/* ===== 顶栏 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,236,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--ease),border-color var(--ease);
}
.site-header .header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:72px;
  transition:height var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 4px 16px rgba(18,64,46,.06)}
.site-header.is-scrolled .header-inner{height:60px}

.brand{display:inline-flex;align-items:baseline;gap:8px;white-space:nowrap}
.brand:hover{color:inherit}
.logo-main{font-size:22px;font-weight:800;letter-spacing:-.045em;color:var(--brand)}
.logo-sub{font-size:13px;font-weight:400;letter-spacing:.08em;color:var(--ink-soft)}

.nav-wrap{position:relative;display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-menu{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-link{
  display:inline-block;padding:9px 14px;font-size:15px;font-weight:500;
  color:var(--ink);border-radius:8px;position:relative;
}
.nav-link:hover{color:var(--brand);background:rgba(18,64,46,.06)}
.nav-link.is-active{color:var(--brand);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:2px;background:var(--accent);
}

.nav-more{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--surface);color:var(--ink);font-size:14px;font-weight:600;
}
.nav-more:hover{border-color:var(--brand);color:var(--brand)}
.nav-more .caret{width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform var(--ease)}
.nav-more[aria-expanded="true"] .caret{transform:rotate(225deg) translateY(2px)}

.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;
  width:min(760px,calc(100vw - 48px));
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-hover);padding:18px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
  z-index:90;
}
.mega-panel.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.mega-card{display:block;padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--paper)}
.mega-card:hover{border-color:var(--accent);background:var(--surface);transform:translateY(-3px);box-shadow:var(--shadow)}
.mega-title{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:15px;font-weight:700;color:var(--ink)}
.mega-title .arrow{color:var(--brand)}
.mega-desc{margin:6px 0 0;font-size:13px;line-height:1.7;color:var(--ink-soft)}

.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform var(--ease),opacity var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.mobile-drawer{
  position:fixed;left:0;right:0;top:72px;bottom:0;z-index:79;
  background:var(--surface);border-top:1px solid var(--line);
  padding:16px 24px 48px;display:none;overflow-y:auto;
}
.mobile-drawer.is-open{display:block}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 4px;border-bottom:1px solid var(--line);
  font-size:17px;font-weight:600;color:var(--ink);
}
.drawer-link::after{content:"›";font-size:20px;color:var(--ink-soft)}
.drawer-link.is-active{color:var(--brand)}
.drawer-link.is-active::after{color:var(--brand)}
.drawer-cta{margin-top:24px}
.drawer-cta .btn{width:100%}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:600;border:1.5px solid transparent;
  text-align:center;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(18,64,46,.07);color:var(--brand);transform:translateY(-2px)}
.btn-warm{background:var(--accent-warm);color:#fff}
.btn-warm:hover{background:#E85B1F;color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,107,44,.28)}
.btn-block{width:100%}

/* ===== 首屏 ===== */
.page-hero{
  position:relative;overflow:hidden;
  padding:56px 0 64px;
  background:var(--paper-alt);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;left:-10%;top:-45%;width:68%;height:190%;
  background:linear-gradient(115deg,rgba(200,240,74,.20),rgba(200,240,74,0));
  transform:rotate(-6deg);pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.kicker{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(200,240,74,.24);color:var(--brand);
  font-size:12.5px;font-weight:700;letter-spacing:.08em;
}
.kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--accent-warm);display:inline-block}
.page-hero h1{
  margin:18px 0 18px;
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.15;font-weight:800;letter-spacing:-.02em;
}
.page-hero h1 .hl{
  color:var(--brand);
  background:linear-gradient(transparent 58%,rgba(200,240,74,.7) 58%);
  padding:0 3px;
}
.hero-lead{max-width:560px;font-size:17px;line-height:1.8;color:var(--ink-soft);margin:0 0 22px}
.hero-points{display:flex;flex-wrap:wrap;gap:8px 20px;list-style:none;margin:0 0 28px;padding:0;font-size:13.5px;color:var(--ink-soft);letter-spacing:.02em}
.hero-points li{position:relative;padding-left:15px}
.hero-points li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--accent-warm)}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}

.hero-media{
  position:relative;border-radius:20px;overflow:hidden;
  aspect-ratio:16/11;background:var(--paper);
  border:1px solid rgba(18,64,46,.1);box-shadow:var(--shadow);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,42,30,0) 45%,rgba(11,42,30,.55) 100%);
  pointer-events:none;
}
.hero-note{
  position:absolute;left:14px;right:14px;bottom:14px;z-index:2;
  background:rgba(255,255,255,.96);border:1px solid rgba(18,64,46,.08);
  border-radius:12px;padding:14px 16px;
}
.hero-note .note-title{
  margin:0 0 6px;font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--brand);
}
.hero-note ul{list-style:none;margin:0;padding:0;display:grid;gap:3px;font-size:13px;line-height:1.7;color:var(--ink-soft)}
.hero-note li{padding-left:12px;position:relative}
.hero-note li::before{content:"";position:absolute;left:0;top:8px;width:5px;height:5px;border-radius:50%;background:var(--accent)}

/* ===== 板块 ===== */
.section{padding:96px 0}
.section--alt{background:var(--paper-alt)}
.section--tight{padding:72px 0}
.section-head{max-width:740px;margin-bottom:36px}
.section-head h2{
  position:relative;padding-left:16px;
  font-size:clamp(26px,3vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em;
  margin-bottom:12px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:4px;border-radius:2px;background:var(--accent);
}
.section-head p{margin:0;font-size:15.5px;line-height:1.8;color:var(--ink-soft)}

.split{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:start}

/* 问题分类列表 */
.issue-list{display:grid;gap:14px;margin:0;padding:0;list-style:none}
.issue-item{
  display:grid;grid-template-columns:46px 1fr 18px;gap:16px;align-items:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px 20px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.issue-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--accent)}
.issue-num{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(200,240,74,.2);color:var(--brand);
  font-family:var(--font-num);font-size:15px;font-weight:700;letter-spacing:.04em;
}
.issue-body h3{font-size:17.5px;margin:0 0 4px}
.issue-body p{margin:0;font-size:14.5px;line-height:1.75;color:var(--ink-soft)}
.issue-link{font-size:13px;font-weight:700;color:var(--brand);white-space:nowrap}
.issue-item:hover .issue-link{text-decoration:underline}
.issue-arrow{display:flex;align-items:center;justify-content:flex-end;height:46px;color:var(--ink-soft);font-size:20px;line-height:1}

/* 图文说明块 */
.info-block{
  margin-top:28px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow);
}
.info-block .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--paper-alt)}
.info-block .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out}
.info-block:hover .thumb img{transform:scale(1.03)}
.info-body{padding:22px 24px 24px}
.info-body h3{font-size:20px;margin:0 0 10px}
.info-body p{font-size:15px;line-height:1.85;color:var(--ink-soft)}
.info-list{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:9px;font-size:14.5px;line-height:1.7;color:var(--ink-soft)}
.info-list li{position:relative;padding-left:20px}
.info-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--accent)}

/* 侧栏 */
.side-col{display:grid;gap:16px;position:sticky;top:88px;align-self:start}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 22px;box-shadow:var(--shadow);
}
.side-card h3{font-size:17px;margin:0 0 14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:6px;height:16px;border-radius:2px;background:var(--accent)}
.row-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.row-list li{
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
  padding-bottom:10px;border-bottom:1px dashed var(--line);
  font-size:14px;line-height:1.65;color:var(--ink-soft);
}
.row-list li:last-child{border-bottom:0;padding-bottom:0}
.row-list strong{font-weight:600;color:var(--ink);white-space:nowrap}
.row-list .val{font-family:var(--font-num);font-size:13.5px;color:var(--brand);font-weight:600}

.quick-links{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.quick-links a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 13px;border-radius:var(--radius-btn);
  border:1px solid transparent;font-size:14.5px;font-weight:600;color:var(--ink);
  background:var(--paper);
}
.quick-links a::after{content:"→";color:var(--brand);font-weight:700}
.quick-links a:hover{background:var(--surface);border-color:var(--accent);color:var(--brand);transform:translateX(2px)}

.check-list{list-style:none;margin:0;padding:0;display:grid;gap:10px;font-size:14.5px;line-height:1.7;color:var(--ink-soft)}
.check-list li{position:relative;padding-left:26px}
.check-list li::before{
  content:"";position:absolute;left:0;top:5px;width:16px;height:16px;border-radius:5px;
  border:1.5px solid var(--brand);background:rgba(200,240,74,.18);
}

/* ===== FAQ ===== */
.faq-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.faq-group{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow);
  transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-group:hover{box-shadow:var(--shadow-hover)}
.group-title{
  display:flex;align-items:center;gap:10px;
  font-size:16.5px;font-weight:700;margin:0 0 10px;padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.group-title .tag{
  font-family:var(--font-num);font-size:11.5px;font-weight:700;letter-spacing:.06em;
  color:var(--brand);background:rgba(200,240,74,.22);border-radius:999px;padding:3px 9px;
}
.accordion{list-style:none;margin:0;padding:0}
.accordion-item{position:relative;border-top:1px solid var(--line)}
.accordion-item:first-child{border-top:0}
.accordion-title{
  display:block;position:relative;
  padding:14px 28px 14px 0;
  font-size:15px;font-weight:600;line-height:1.65;color:var(--ink);
}
.accordion-title:hover{color:var(--brand)}
.accordion-title::before{display:none!important;content:none!important}
.accordion-title::after{
  content:"+";position:absolute;right:2px;top:12px;
  font-size:19px;font-weight:600;line-height:1;color:var(--brand);
  transition:transform var(--ease);
}
.accordion-item.is-open .accordion-title{color:var(--brand)}
.accordion-item.is-open .accordion-title::after{content:"−"}
.accordion-content{display:none;padding:0 0 16px;font-size:14.5px;line-height:1.85;color:var(--ink-soft)}
.accordion-item.is-open .accordion-content{display:block}
.accordion-item.is-open::before{
  content:"";position:absolute;left:-12px;top:6px;bottom:8px;width:3px;border-radius:2px;background:var(--accent);
}

/* ===== 服务说明表 ===== */
.svc-table{
  border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;background:var(--surface);box-shadow:var(--shadow);
}
.svc-row{
  display:grid;grid-template-columns:1.1fr 1.5fr 1.3fr 1.1fr;gap:18px;
  padding:16px 22px;border-top:1px solid var(--line);
  font-size:14.5px;line-height:1.7;color:var(--ink-soft);
  transition:background-color var(--ease);
}
.svc-row:first-child{border-top:0}
.svc-row.head{
  background:rgba(18,64,46,.06);color:var(--brand);
  font-size:12.5px;font-weight:700;letter-spacing:.06em;
}
.svc-row:not(.head):hover{background:var(--paper)}
.svc-cell:first-child{font-weight:600;color:var(--ink)}
.svc-cell .cell-k{display:none}
.svc-note{margin-top:16px;font-size:13.5px;color:var(--ink-soft)}

/* ===== CTA 与表单 ===== */
.cta-section{background:var(--brand-deep);color:#E7EAE2;padding:80px 0}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.cta-copy h2{
  color:#fff;font-size:clamp(26px,3vw,34px);line-height:1.25;margin-bottom:16px;letter-spacing:-.01em;
}
.cta-copy h2 .hl{color:var(--accent)}
.cta-copy p{color:#BCC7BD;font-size:15.5px;line-height:1.85}
.cta-tips{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:10px;font-size:14.5px;line-height:1.7;color:#C7D0C6}
.cta-tips li{position:relative;padding-left:18px}
.cta-tips li::before{content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:50%;background:var(--accent)}

.form-card{background:var(--surface);border-radius:16px;padding:26px;box-shadow:0 18px 40px rgba(0,0,0,.22)}
.form-title{font-size:17px;font-weight:700;margin:0 0 6px;color:var(--ink)}
.form-tip{margin:0 0 18px;font-size:13.5px;line-height:1.7;color:var(--ink-soft)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field .req{color:var(--accent-warm);margin-left:2px}
.field input,.field textarea{
  width:100%;height:48px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--paper);color:var(--ink);font-family:inherit;font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease),background-color var(--ease);
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.75;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#8B968E}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(200,240,74,.45);
}
.field-error{display:none;margin-top:12px;font-size:13px;line-height:1.6;color:#C0392B}
.field.is-invalid .field-error{display:block}
.field.is-invalid input,.field.is-invalid textarea{border-color:#C0392B;background:#FFF7F5}
.form-actions{display:flex;align-items:center;justify-content:flex-end;gap:14px;flex-wrap:wrap}
.form-success{
  display:none;margin-top:16px;padding:12px 14px;border-radius:var(--radius-btn);
  background:rgba(200,240,74,.22);border:1px solid rgba(18,64,46,.18);
  font-size:14px;line-height:1.7;color:var(--brand);
}
.form-success.is-visible{display:block}

/* ===== 页脚 ===== */
.site-footer{background:var(--brand-deep);color:#E7EAE2;padding:72px 0 0}
.site-footer .grid-x{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px}
.site-footer .grid-x>.cell{width:100%;padding-left:12px;padding-right:12px}
@media (min-width:640px){.site-footer .grid-x>.cell.medium-6{width:50%}}
@media (min-width:1024px){.site-footer .grid-x>.cell.large-3{width:25%}}
.footer-brand{display:flex;align-items:baseline;gap:8px;margin-bottom:14px}
.site-footer .logo-main{color:#fff}
.site-footer .logo-sub{color:#A8B6AA}
.footer-about{font-size:14px;line-height:1.85;color:#B4C0B5;margin:0;max-width:300px}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin:0 0 16px}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-links a{font-size:14.5px;color:#C0CCC1}
.footer-links a:hover{color:var(--accent)}
.footer-contact p{font-size:13.5px;line-height:1.8;color:#B4C0B5;margin:0 0 14px}
.footer-contact strong{color:#fff;font-weight:600;display:block;margin-bottom:2px}
.footer-bottom{
  margin-top:56px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:#94A398;
}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .hero-grid{gap:36px}
  .split{gap:32px}
  .issue-item{grid-template-columns:42px 1fr 16px;padding:16px 18px}
  .issue-num{width:42px;height:42px}
}

@media (max-width:991px){
  .nav-menu,.nav-more,.mega-panel{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .page-hero{padding:44px 0 52px}
  .hero-lead{max-width:none}
  .split{grid-template-columns:1fr;gap:28px}
  .side-col{position:static;top:auto;grid-template-columns:1fr 1fr}
  .faq-grid{grid-template-columns:1fr;gap:18px}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .svc-row{grid-template-columns:1.1fr 1.4fr;gap:10px 18px}
  .svc-row.head{display:none}
}

@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .site-header .header-inner{height:64px}
  .site-header.is-scrolled .header-inner{height:58px}
  .mobile-drawer{top:64px}
  .logo-main{font-size:19px}
  .logo-sub{font-size:12px;letter-spacing:.05em}
  .page-hero{padding:36px 0 44px}
  .page-hero h1{font-size:clamp(28px,7.4vw,34px)}
  .hero-lead{font-size:15.5px}
  .btn{height:46px;padding:0 20px;font-size:15px}
  .btn-row{gap:12px}
  .btn-row .btn{flex:1 1 150px}
  .section{padding:56px 0}
  .section-head{margin-bottom:26px}
  .section-head h2{padding-left:14px}
  .issue-item{grid-template-columns:38px 1fr;padding:16px}
  .issue-num{width:38px;height:38px;font-size:13.5px;border-radius:10px}
  .issue-arrow{display:none}
  .side-col{grid-template-columns:1fr}
  .hero-note{position:static;margin:0;border-radius:0;border:0;border-top:1px solid var(--line);background:#fff}
  .hero-media{aspect-ratio:16/12}
  .hero-media::after{display:none}
  .info-body{padding:18px 18px 20px}
  .form-card{padding:20px}
  .field-row{grid-template-columns:1fr;gap:0}
  .field{margin-bottom:16px}
  .form-actions{justify-content:stretch}
  .form-actions .btn{width:100%}
  .svc-row{grid-template-columns:1fr;gap:6px;padding:16px 18px}
  .svc-cell .cell-k{display:block;font-size:12px;letter-spacing:.06em;color:var(--ink-soft)}
  .svc-cell:first-child{font-size:15px}
  .cta-section{padding:56px 0}
  .site-footer{padding:56px 0 0}
  .footer-bottom{margin-top:36px;font-size:12.5px}
  .accordion-item.is-open::before{left:-10px}
}

@media (max-width:520px){
  .kicker{font-size:11.5px;padding:5px 12px}
  .hero-points{font-size:12.5px;gap:6px 14px}
  .issue-item{gap:12px}
  .issue-body h3{font-size:16px}
  .side-card{padding:18px}
  .faq-group{padding:18px}
  .footer-about{max-width:none}
}