/* roulang page: index */
:root{
  --c-primary:#1F6F6B;
  --c-primary-dark:#14504D;
  --c-primary-light:#E3F0EE;
  --c-mist:#6F8F8A;
  --c-accent:#D96C3B;
  --c-accent-dark:#BF5A2E;
  --c-accent-light:#F6E5DB;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-dark:#12211F;
  --c-text:#17211F;
  --c-text-2:#5F6F6B;
  --c-border:#DDE5E1;
  --c-success:#2E7D5B;
  --c-warning:#C98A2E;
  --c-error:#B84A3A;
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(23,33,31,.06);
  --sh-2:0 14px 36px rgba(23,33,31,.10);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
  --font-body:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-title:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --t-fast:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:1rem;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t-fast);}
a:hover{color:var(--c-accent);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{font-family:var(--font-title);color:var(--c-text);margin:0;font-weight:700;}
h1{font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.15;letter-spacing:-.01em;}
h2{font-size:clamp(1.6rem,3vw,2.25rem);line-height:1.25;}
h3{font-size:1.25rem;line-height:1.35;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(217,108,59,.28);outline-offset:2px;border-radius:4px;}

.container{max-width:1200px;margin:0 auto;padding:0 32px;}
.narrow{max-width:820px;margin:0 auto;}
.section{padding:var(--sp-9) 0;}
.section-sm{padding:var(--sp-8) 0;}

/* ============ 顶部信息条 ============ */
.topbar{
  height:36px;
  background:var(--c-dark);
  color:var(--c-border);
  font-size:13px;
  display:flex;
  align-items:center;
}
.topbar .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  width:100%;
  gap:16px;
}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0;}
.topbar-domain{color:#fff;font-weight:600;letter-spacing:.02em;}
.topbar-tip{color:#9FB3AF;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-right{display:flex;align-items:center;gap:18px;flex-shrink:0;}
.topbar-right a{color:var(--c-border);font-size:13px;}
.topbar-right a:hover{color:#fff;}
.topbar-right .tb-cta{
  color:#fff;
  border:1px solid rgba(255,255,255,.35);
  padding:3px 12px;
  border-radius:var(--r-pill);
}
.topbar-right .tb-cta:hover{border-color:var(--c-accent);color:#fff;background:var(--c-accent);}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,244,238,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-border);
}
.nav{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;
  border-radius:11px;
  background:var(--c-primary);
  display:grid;place-items:center;
  color:#fff;
  box-shadow:0 6px 14px rgba(31,111,107,.28);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-family:var(--font-title);font-size:1.05rem;font-weight:700;color:var(--c-text);letter-spacing:.01em;}
.brand-sub{font-size:11px;color:var(--c-text-2);letter-spacing:.14em;text-transform:uppercase;}

.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-menu > li > a{
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  color:var(--c-text);
  border-radius:8px;
  position:relative;
}
.nav-menu > li > a:hover{background:var(--c-primary-light);color:var(--c-primary-dark);}
.nav-menu > li > a.active{color:var(--c-primary);font-weight:600;}
.nav-menu > li > a.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  background:var(--c-accent);
  border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--c-border);
  background:var(--c-surface);
  border-radius:10px;
  cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-text);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-text);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  line-height:1;
  padding:13px 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--t-fast),background var(--t-fast),box-shadow var(--t-fast),border-color var(--t-fast),color var(--t-fast);
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(217,108,59,.24);}
.btn-primary:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(217,108,59,.3);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-light);color:var(--c-primary-dark);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--c-primary);border-color:var(--c-border);}
.btn-light:hover{border-color:var(--c-primary);color:var(--c-primary-dark);transform:translateY(-1px);}
.btn-sm{padding:10px 16px;font-size:14px;}
.btn:disabled,.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--c-primary);
  border-bottom:2px solid rgba(31,111,107,.25);
  padding-bottom:2px;
}
.link-more:hover{color:var(--c-accent);border-color:var(--c-accent);}

/* ============ 通用标题组 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--c-primary);
  letter-spacing:.1em;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:14px;height:1px;background:var(--c-accent);}
.section-head{max-width:640px;margin-bottom:var(--sp-7);}
.section-head p{color:var(--c-text-2);margin:14px 0 0;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ============ Hero ============ */
.hero{
  position:relative;
  background:
    linear-gradient(180deg,rgba(227,240,238,.75) 0%,rgba(247,244,238,0) 62%),
    var(--c-bg);
  overflow:hidden;
  border-bottom:1px solid var(--c-border);
}
.hero::after{
  content:"";
  position:absolute;
  right:-140px;top:-120px;
  width:520px;height:520px;
  border-radius:50%;
  border:1px solid rgba(31,111,107,.10);
  box-shadow:inset 0 0 0 60px rgba(31,111,107,.03);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  min-height:600px;
  padding:72px 0;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-pill);
  padding:6px 14px 6px 8px;
  font-size:13px;color:var(--c-text-2);
  margin-bottom:22px;
  box-shadow:var(--sh-1);
}
.hero-badge b{color:var(--c-primary);font-weight:600;}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--c-success);display:inline-block;}
.hero h1{margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--c-primary);}
.hero-lead{
  font-size:1.075rem;
  color:var(--c-text-2);
  max-width:520px;
  margin-bottom:28px;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px;}
.hero-metrics{
  display:flex;gap:36px;flex-wrap:wrap;
  padding-top:26px;
  border-top:1px solid var(--c-border);
}
.hero-metrics .m-num{
  font-family:var(--font-title);
  font-size:1.6rem;color:var(--c-dark);font-weight:700;line-height:1.2;
}
.hero-metrics .m-label{font-size:13px;color:var(--c-text-2);}

.hero-visual{position:relative;}
.hero-figure{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  border:1px solid rgba(31,111,107,.18);
  box-shadow:var(--sh-2);
  background:var(--c-primary-light);
}
.hero-figure img{width:100%;height:420px;object-fit:cover;border-radius:0;}
.hero-seal{
  position:absolute;
  right:-14px;bottom:-14px;
  width:78px;height:78px;
  border-radius:14px;
  background:var(--c-accent);
  color:#fff;
  display:grid;
  place-items:center;
  text-align:center;
  font-size:12px;
  line-height:1.35;
  font-family:var(--font-title);
  letter-spacing:.08em;
  box-shadow:0 10px 24px rgba(217,108,59,.32);
  border:2px solid #fff;
}
.hero-float{
  position:absolute;
  left:-22px;top:38px;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:14px 18px;
  box-shadow:var(--sh-1);
  font-size:13px;
  color:var(--c-text-2);
  max-width:190px;
}
.hero-float b{display:block;color:var(--c-dark);font-size:15px;margin-bottom:2px;font-family:var(--font-title);}

/* ============ 服务能力 ============ */
.capability-grid{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:56px;
  align-items:start;
}
.cap-sticky{position:sticky;top:120px;}
.cap-sticky p{color:var(--c-text-2);margin:16px 0 24px;}
.cap-list{border-top:1px solid var(--c-border);}
.cap-item{
  display:grid;
  grid-template-columns:52px 1fr 24px;
  gap:20px;
  align-items:center;
  padding:22px 18px;
  border-bottom:1px solid var(--c-border);
  border-radius:12px;
  transition:background var(--t-fast),transform var(--t-fast);
}
.cap-item:hover{background:var(--c-primary-light);transform:translateX(4px);}
.cap-icon{
  width:52px;height:52px;border-radius:14px;
  background:var(--c-primary-light);
  color:var(--c-primary);
  display:grid;place-items:center;
}
.cap-item:hover .cap-icon{background:#fff;}
.cap-icon svg{width:24px;height:24px;}
.cap-body h3{font-size:1.075rem;margin-bottom:6px;font-family:var(--font-body);font-weight:600;}
.cap-body p{margin:0;font-size:.9rem;color:var(--c-text-2);line-height:1.7;}
.cap-arrow{color:var(--c-mist);transition:transform var(--t-fast),color var(--t-fast);}
.cap-item:hover .cap-arrow{color:var(--c-accent);transform:translateX(4px);}

/* ============ 数据条 ============ */
.stats{
  background:var(--c-dark);
  color:#fff;
  padding:var(--sp-8) 0;
  position:relative;
  overflow:hidden;
}
.stats::before{
  content:"";
  position:absolute;inset:0;
  background:
    repeating-linear-gradient(90deg,rgba(255,255,255,.045) 0 1px,transparent 1px 120px);
  pointer-events:none;
}
.stats .container{position:relative;z-index:2;}
.stats-head{
  display:flex;justify-content:space-between;align-items:flex-end;
  gap:24px;margin-bottom:44px;flex-wrap:wrap;
}
.stats-head h2{color:#fff;max-width:560px;}
.stats-head p{color:#9FB3AF;margin:0;max-width:360px;font-size:.925rem;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{
  border-left:2px solid rgba(217,108,59,.6);
  padding-left:20px;
}
.stat .num{
  font-family:var(--font-title);
  font-size:clamp(2rem,3.4vw,2.6rem);
  font-weight:700;line-height:1.1;color:#fff;
}
.stat .num small{font-size:1rem;font-weight:400;color:#9FB3AF;margin-left:4px;}
.stat .label{color:#9FB3AF;font-size:.9rem;margin-top:8px;}

/* ============ 案例马赛克 ============ */
.case-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  grid-template-rows:auto auto;
  gap:24px;
}
.case-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform var(--t-fast),box-shadow var(--t-fast),border-color var(--t-fast);
  display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-primary);}
.case-card.big{grid-column:span 2;grid-row:span 2;}
.case-media{position:relative;overflow:hidden;}
.case-media img{width:100%;height:210px;object-fit:cover;border-radius:0;transition:transform 300ms ease;}
.case-card.big .case-media img{height:330px;}
.case-card:hover .case-media img{transform:scale(1.03);}
.case-badge{
  position:absolute;left:14px;top:14px;
  background:rgba(18,33,31,.82);
  color:#fff;
  font-size:12px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  backdrop-filter:blur(4px);
}
.case-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.case-body h3{font-size:1.1rem;}
.case-card.big .case-body h3{font-size:1.35rem;}
.case-body p{margin:0;color:var(--c-text-2);font-size:.925rem;}
.case-body .link-more{margin-top:auto;font-size:14px;}

/* ============ 方案交替 ============ */
.plan-row{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:56px;
  align-items:center;
  padding:44px 0;
  border-bottom:1px solid var(--c-border);
}
.plan-row:last-of-type{border-bottom:0;}
.plan-row.reverse{grid-template-columns:7fr 5fr;}
.plan-row.reverse .plan-media{order:2;}
.plan-row.reverse .plan-body{order:1;}
.plan-media{
  border-radius:18px;
  overflow:hidden;
  border:1px solid var(--c-border);
  box-shadow:var(--sh-1);
}
.plan-media img{width:100%;height:330px;object-fit:cover;border-radius:0;}
.plan-body h3{font-size:clamp(1.35rem,2.2vw,1.75rem);margin-bottom:14px;font-family:var(--font-title);}
.plan-body > p{color:var(--c-text-2);margin-bottom:22px;}
.plan-list{display:flex;flex-direction:column;gap:12px;margin-bottom:26px;}
.plan-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:.95rem;color:var(--c-text);
}
.plan-list li::before{
  content:"";
  flex-shrink:0;
  width:20px;height:20px;border-radius:50%;
  background:var(--c-primary-light);
  border:1px solid rgba(31,111,107,.28);
  margin-top:5px;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231F6F6B' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size:12px;
  background-position:center;
  background-repeat:no-repeat;
}

/* ============ 最新信息 ============ */
.news{background:var(--c-surface);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);}
.news-head{
  display:flex;justify-content:space-between;align-items:flex-end;
  gap:24px;margin-bottom:var(--sp-7);flex-wrap:wrap;
}
.news-head p{color:var(--c-text-2);margin:14px 0 0;max-width:560px;}
.news-grid{display:grid;grid-template-columns:5fr 7fr;gap:28px;align-items:start;}
.news-feature{
  background:var(--c-bg);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform var(--t-fast),box-shadow var(--t-fast),border-color var(--t-fast);
}
.news-feature:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-primary);}
.news-feature-media{display:block;overflow:hidden;}
.news-feature-media img{width:100%;height:230px;object-fit:cover;border-radius:0;}
.news-feature-body{padding:24px;}
.news-feature-body h3{font-size:1.25rem;margin:12px 0 10px;line-height:1.45;}
.news-feature-body h3 a{color:var(--c-text);}
.news-feature-body h3 a:hover{color:var(--c-primary);}
.news-feature-body p{color:var(--c-text-2);font-size:.925rem;margin-bottom:16px;}
.tag{
  display:inline-block;
  font-size:12px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:var(--c-primary-light);
  color:var(--c-primary-dark);
}
.meta{
  display:flex;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--c-text-2);
}
.meta span{display:inline-flex;align-items:center;gap:6px;}
.meta span + span::before{content:"·";color:var(--c-mist);margin-right:2px;}

.news-list{display:flex;flex-direction:column;border-top:1px solid var(--c-border);}
.news-row{border-bottom:1px solid var(--c-border);}
.news-row > a{
  display:block;
  padding:20px 18px;
  border-radius:12px;
  transition:background var(--t-fast),transform var(--t-fast);
}
.news-row > a:hover{background:var(--c-primary-light);transform:translateX(4px);}
.news-row h4{
  font-family:var(--font-body);
  font-size:1.025rem;
  font-weight:600;
  color:var(--c-text);
  margin:0 0 6px;
  line-height:1.5;
}
.news-row > a:hover h4{color:var(--c-primary-dark);}
.news-row p{
  font-size:.9rem;color:var(--c-text-2);margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-empty{
  background:var(--c-primary-light);
  border:1px dashed rgba(31,111,107,.35);
  border-radius:var(--r-card);
  padding:48px 24px;
  text-align:center;
  color:var(--c-primary-dark);
  font-size:.95rem;
}
.cms-empty::before{
  content:"";
  display:block;
  width:44px;height:44px;
  margin:0 auto 14px;
  border-radius:12px;
  background:#fff no-repeat center/22px url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231F6F6B' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18 10h-1.26A8 8 0 1 0 9 20h9a5 5 0 0 0 0-10z'/%3E%3C/svg%3E");
}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.faq-aside p{color:var(--c-text-2);margin:16px 0 24px;}
.faq-aside-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--sh-1);
}
.faq-aside-card strong{display:block;font-family:var(--font-title);font-size:1.05rem;margin-bottom:6px;}
.faq-aside-card span{font-size:.875rem;color:var(--c-text-2);display:block;margin-bottom:16px;}
.faq-list{border-top:1px solid var(--c-border);}
.faq-item{border-bottom:1px solid var(--c-border);}
.faq-q{
  width:100%;
  display:flex;justify-content:space-between;align-items:center;gap:18px;
  background:transparent;border:0;
  text-align:left;
  padding:22px 14px;
  cursor:pointer;
  font-size:1.025rem;
  font-weight:600;
  color:var(--c-text);
  border-radius:12px;
  transition:color var(--t-fast),background var(--t-fast);
}
.faq-q:hover{color:var(--c-primary);}
.faq-item.open .faq-q{color:var(--c-primary-dark);}
.faq-icon{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--c-border);
  display:grid;place-items:center;
  position:relative;
  transition:background var(--t-fast),border-color var(--t-fast),transform var(--t-fast);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-primary);
  border-radius:2px;
}
.faq-icon::before{width:11px;height:1.6px;}
.faq-icon::after{width:1.6px;height:11px;transition:transform var(--t-fast);}
.faq-item.open .faq-icon{background:var(--c-primary);border-color:var(--c-primary);transform:rotate(180deg);}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{background:#fff;}
.faq-item.open .faq-icon::after{transform:scaleY(0);}
.faq-a{
  display:none;
  padding:0 56px 24px 14px;
  color:var(--c-text-2);
  font-size:.95rem;
}
.faq-item.open .faq-a{display:block;}
.faq-item.open{background:var(--c-primary-light);border-radius:12px;}

/* ============ CTA / 联系 ============ */
.cta-section{
  background:var(--c-bg);
  padding:var(--sp-9) 0;
}
.cta-grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:start;}
.form-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:20px;
  padding:36px;
  box-shadow:var(--sh-1);
}
.form-card h2{margin-bottom:10px;}
.form-card > p{color:var(--c-text-2);margin-bottom:26px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13px;color:var(--c-text-2);font-weight:600;letter-spacing:.02em;}
.field input,.field textarea{
  width:100%;
  padding:12px 14px;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--r-btn);
  font-size:15px;
  transition:border-color var(--t-fast),box-shadow var(--t-fast);
}
.field textarea{min-height:104px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:#A9B6B2;}
.field input:focus,.field textarea:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(31,111,107,.14);
}
.form-note{font-size:12.5px;color:var(--c-text-2);margin-top:14px;}
.form-actions{margin-top:22px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}

.info-card{
  background:var(--c-dark);
  color:#DDE5E1;
  border-radius:20px;
  padding:36px;
  position:relative;
  overflow:hidden;
}
.info-card::after{
  content:"";
  position:absolute;right:-60px;bottom:-60px;
  width:220px;height:220px;border-radius:50%;
  border:1px solid rgba(255,255,255,.10);
  box-shadow:inset 0 0 0 34px rgba(255,255,255,.028);
}
.info-card h3{color:#fff;margin-bottom:18px;}
.info-list{position:relative;z-index:2;display:flex;flex-direction:column;gap:16px;margin-bottom:26px;}
.info-list li{font-size:.925rem;line-height:1.7;}
.info-list li b{display:block;color:#fff;font-weight:600;font-size:.95rem;margin-bottom:2px;}
.info-card .divider{height:1px;background:rgba(255,255,255,.12);margin:22px 0;position:relative;z-index:2;}
.info-card .domain{
  position:relative;z-index:2;
  font-size:13px;color:#9FB3AF;
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-dark);
  color:#B9C7C3;
  padding:var(--sp-8) 0 0;
  font-size:.9rem;
}
.footer-grid{
  display:grid;
  grid-template-columns:4fr 2fr 3fr 3fr;
  gap:40px;
  padding-bottom:var(--sp-7);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand .brand-name{color:#fff;font-family:var(--font-title);font-size:1.05rem;font-weight:700;}
.footer-col p{color:#8FA29E;margin:0 0 12px;line-height:1.8;}
.footer-col h4{
  color:#fff;
  font-family:var(--font-body);
  font-size:.95rem;
  font-weight:600;
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{color:#B9C7C3;font-size:.9rem;}
.footer-col ul a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#8FA29E;
}
.footer-bottom a{color:#8FA29E;}
.footer-bottom a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 28px;}
  .nav-menu > li > a{padding:10px 11px;font-size:14.5px;}
  .hero-inner{gap:40px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .nav-menu{
    display:none;
    position:absolute;
    left:0;right:0;top:100%;
    background:var(--c-surface);
    border-bottom:1px solid var(--c-border);
    box-shadow:var(--sh-1);
    flex-direction:column;
    align-items:stretch;
    padding:12px 20px 20px;
    gap:2px;
  }
  .nav-menu.open{display:flex;}
  .nav-menu > li > a{display:block;padding:14px 12px;font-size:15.5px;border-radius:10px;}
  .nav-menu > li > a.active::after{display:none;}
  .nav-menu > li > a.active{background:var(--c-primary-light);}
  .nav-toggle{display:flex;}
  .nav-actions .btn{display:none;}
  .hero-inner{grid-template-columns:1fr;min-height:auto;padding:52px 0 64px;gap:44px;}
  .hero h1{font-size:clamp(2rem,6.4vw,2.7rem);}
  .hero-lead{max-width:none;}
  .hero-float{display:none;}
  .hero-figure img{height:320px;}
  .capability-grid{grid-template-columns:1fr;gap:32px;}
  .cap-sticky{position:static;}
  .case-grid{grid-template-columns:1fr 1fr;}
  .case-card.big{grid-column:span 2;grid-row:auto;}
  .case-card.big .case-media img{height:250px;}
  .plan-row,.plan-row.reverse{grid-template-columns:1fr;gap:28px;}
  .plan-row.reverse .plan-media{order:0;}
  .plan-row.reverse .plan-body{order:0;}
  .news-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .cta-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:52px 0;}
  .section-sm{padding:44px 0;}
  .topbar-tip{display:none;}
  .topbar-right{gap:12px;}
  .brand-sub{display:none;}
  .hero-metrics{gap:24px;}
  .hero-metrics .m-num{font-size:1.35rem;}
  .hero-figure img{height:250px;}
  .hero-seal{width:64px;height:64px;font-size:11px;right:-6px;bottom:-6px;}
  .stats-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .stats-head{margin-bottom:32px;}
  .case-grid{grid-template-columns:1fr;}
  .case-card.big{grid-column:span 1;}
  .case-media img,.case-card.big .case-media img{height:210px;}
  .cap-item{grid-template-columns:44px 1fr;gap:16px;padding:18px 12px;}
  .cap-icon{width:44px;height:44px;}
  .cap-arrow{display:none;}
  .form-card,.info-card{padding:24px;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .plan-media img{height:230px;}
  .faq-a{padding-right:18px;}
}
@media (max-width:480px){
  h1{font-size:1.85rem;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .stats-grid{grid-template-columns:1fr;}
  .news-feature-media img{height:190px;}
}

/* roulang page: article */
:root{
  --brand:#1F6F6B;
  --brand-dark:#14504D;
  --brand-light:#E3F0EE;
  --mist:#6F8F8A;
  --accent:#D96C3B;
  --accent-soft:#F6E5DB;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --ink:#17211F;
  --ink-2:#5F6F6B;
  --line:#DDE5E1;
  --ok:#2E7D5B;
  --warn:#C98A2E;
  --err:#B84A3A;
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --sh:0 8px 24px rgba(23,33,31,.06);
  --sh-hover:0 14px 36px rgba(23,33,31,.10);
  --focus:0 0 0 3px rgba(217,108,59,.28);
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-family:var(--serif);color:var(--ink);font-weight:600}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* 顶部信息条 */
.topbar{background:#12211F;color:#DDE5E1;font-size:13px;line-height:36px}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-left{display:flex;align-items:center;gap:10px;color:#9FB3AF}
.topbar-left strong{color:#E3F0EE;font-weight:500}
.topbar-right{display:flex;align-items:center;gap:18px}
.topbar-right a{color:#DDE5E1}
.topbar-right a:hover{color:#F6E5DB}

/* 主导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,.94);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand:hover{color:var(--brand)}
.brand-mark{
  width:40px;height:40px;flex:none;display:grid;place-items:center;
  border-radius:12px;border:1px solid var(--line);
  background:var(--brand-light);color:var(--brand-dark);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-family:var(--serif);font-size:18px;font-weight:600;letter-spacing:.5px}
.brand-sub{font-size:11px;color:var(--ink-2);letter-spacing:1.2px;text-transform:uppercase}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-menu a{
  display:inline-block;padding:10px 14px;font-size:15px;color:var(--ink);
  border-radius:8px;position:relative;
}
.nav-menu a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-menu a:hover{background:var(--brand-light);color:var(--brand-dark)}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--brand);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--surface);cursor:pointer;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;transform:translateX(-50%);width:18px;height:2px;background:var(--ink);content:"";
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;line-height:1;font-weight:500;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(217,108,59,.24)}
.btn-primary:hover{background:#C25B2D;color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand-dark)}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-1px)}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.34)}
.btn-light:hover{background:rgba(255,255,255,.22);color:#fff}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
.btn-text{padding:0;background:none;border:none;color:var(--brand);border-bottom:1px solid currentColor;border-radius:0}
.btn-text:hover{color:var(--accent)}

/* 面包屑 */
.crumb{background:var(--surface);border-bottom:1px solid var(--line)}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2);padding:14px 0}
.crumb-list a{color:var(--brand)}
.crumb-list a:hover{color:var(--accent)}
.crumb-sep{color:#B9C6C2}
.crumb-current{color:var(--ink-2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章头部 */
.article-hero{background:linear-gradient(180deg,#EDF5F3 0%,#F7F4EE 100%);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.article-hero::after{
  content:"";position:absolute;right:-60px;top:-40px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(31,111,107,.10),transparent 68%);
}
.article-hero .container{position:relative;z-index:1;padding-top:44px;padding-bottom:44px}
.article-head{max-width:880px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  background:var(--brand-light);color:var(--brand-dark);font-size:13px;line-height:1.4;
}
.tag-accent{background:var(--accent-soft);color:#A34D24}
.article-head h1{
  font-size:clamp(1.9rem,3.6vw,2.7rem);line-height:1.28;margin:18px 0 14px;
}
.article-head .lead{font-size:16px;color:var(--ink-2);max-width:760px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:22px;font-size:13.5px;color:var(--ink-2)}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.meta-dot{width:6px;height:6px;border-radius:50%;background:var(--mist);display:inline-block}
.article-cover{margin-top:32px;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--surface);box-shadow:var(--sh)}
.article-cover img{width:100%;height:340px;object-fit:cover;border-radius:0}

/* 正文布局 */
.section{padding:64px 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 288px;gap:48px;align-items:start}
.article-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);padding:40px 44px;max-width:860px;
}
.article-body{font-size:16.5px;line-height:1.9;color:#1E2A28;max-width:780px}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:clamp(1.3rem,2vw,1.6rem);line-height:1.35;margin:48px 0 16px;padding-left:14px;
  border-left:3px solid var(--brand);
}
.article-body h3{font-size:1.16rem;margin:32px 0 12px;color:var(--brand-dark)}
.article-body h4{font-size:1.02rem;margin:24px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
.article-body ul li{list-style:disc;margin-bottom:.5em}
.article-body ol li{list-style:decimal;margin-bottom:.5em}
.article-body li::marker{color:var(--brand)}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--brand-light);border-left:3px solid var(--brand);
  border-radius:0 10px 10px 0;color:var(--brand-dark);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{margin:22px 0;border-radius:var(--r-img)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:8px}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(31,111,107,.4)}
.article-body a:hover{color:var(--accent);border-bottom-color:rgba(217,108,59,.5)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--brand-light);font-weight:600}
.article-body code{background:#F1F5F3;border-radius:6px;padding:2px 6px;font-size:.92em}
.article-body hr{border:none;border-top:1px solid var(--line);margin:36px 0}

/* 侧栏 */
.side{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh);padding:22px 22px 24px}
.side-card h3{font-size:1.02rem;margin-bottom:12px}
.side-list li{border-bottom:1px dashed var(--line)}
.side-list li:last-child{border-bottom:none}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 0;font-size:14.5px;color:var(--ink)}
.side-list a:hover{color:var(--brand);transform:translateX(4px)}
.side-list a span.arrow{color:var(--mist)}
.side-tip{margin-top:12px;font-size:13.5px;color:var(--ink-2)}
.side-card.dark{background:#12211F;border-color:#12211F}
.side-card.dark h3,.side-card.dark p{color:#DDE5E1}
.side-card.dark p{font-size:13.5px;color:#9FB3AF}
.side-card.dark .btn{margin-top:14px}

/* 相关推荐 */
.related{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:720px;margin-bottom:36px}
.sec-label{font-size:13px;letter-spacing:2px;color:var(--mist);text-transform:uppercase}
.sec-head h2{font-size:clamp(1.5rem,2.6vw,2rem);margin:10px 0 12px}
.sec-head p{color:var(--ink-2)}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--brand)}
.card-media{position:relative;overflow:hidden}
.card-media img{width:100%;height:180px;object-fit:cover;border-radius:0}
.card-badge{
  position:absolute;left:14px;top:14px;padding:4px 10px;border-radius:999px;
  background:rgba(18,33,31,.78);color:#E3F0EE;font-size:12px;
}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:1.08rem;line-height:1.45}
.card-body p{font-size:14px;color:var(--ink-2);margin:0;flex:1}
.card-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--ink-2)}
.card-link{font-size:14px;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.card:hover .card-link{color:var(--accent)}

/* 返回入口 */
.back-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:36px}
.back-links{display:flex;flex-wrap:wrap;gap:20px;font-size:14.5px}

/* 空态 */
.empty{
  background:var(--brand-light);border:1px dashed #B9D4D0;border-radius:var(--r-card);
  padding:48px 32px;text-align:center;
}
.empty svg{width:40px;height:40px;color:var(--brand);margin-bottom:12px}
.empty h3{font-size:1.15rem;margin-bottom:8px}
.empty p{color:var(--ink-2);margin-bottom:18px}

/* CTA */
.cta{background:#12211F;color:#DDE5E1;position:relative;overflow:hidden}
.cta::before{
  content:"";position:absolute;left:-80px;bottom:-120px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(31,111,107,.45),transparent 70%);
}
.cta .container{position:relative;z-index:1;padding-top:64px;padding-bottom:64px}
.cta-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center}
.cta h2{color:#fff;font-size:clamp(1.6rem,2.8vw,2.1rem);margin-bottom:14px}
.cta p{color:#9FB3AF;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* 页脚 */
.site-footer{background:#12211F;color:#9FB3AF;padding:64px 0 28px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(227,240,238,.12);border-color:rgba(227,240,238,.18);color:#E3F0EE}
.footer-brand .brand-name{color:#fff;font-family:var(--serif);font-size:17px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:#9FB3AF}
.footer-col a:hover{color:#F6E5DB}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(221,229,225,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#7E918C;
}

@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:32px}
  .article-panel{padding:34px 30px}
}
@media (max-width:991px){
  .container{padding:0 24px}
  .nav-menu{
    position:absolute;left:0;right:0;top:72px;flex-direction:column;align-items:stretch;
    background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--sh);
    padding:12px 20px 20px;gap:2px;display:none;
  }
  .nav-menu.open{display:flex}
  .nav-menu a{padding:13px 12px;border-radius:10px}
  .nav-menu a::after{display:none}
  .nav-toggle{display:block}
  .article-layout{grid-template-columns:1fr}
  .side{position:static;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 260px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .topbar .container{justify-content:space-between}
  .topbar-left span.hide-sm{display:none}
  .article-hero .container{padding-top:32px;padding-bottom:32px}
  .article-panel{padding:26px 20px}
  .article-cover img{height:220px}
  .section{padding:44px 0}
  .card-grid{grid-template-columns:1fr}
  .side{flex-direction:column}
  .crumb-current{max-width:200px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:480px){
  .container{padding:0 20px}
  .brand-sub{display:none}
  .article-head h1{font-size:1.6rem}
  .btn{padding:11px 18px}
  .back-bar{align-items:flex-start;flex-direction:column}
}

/* roulang page: category1 */
:root{
  --primary:#1F6F6B;
  --primary-dark:#14504D;
  --primary-soft:#E3F0EE;
  --secondary:#6F8F8A;
  --accent:#D96C3B;
  --accent-soft:#F6E5DB;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --ink:#17211F;
  --ink-2:#5F6F6B;
  --border:#DDE5E1;
  --dark:#12211F;
  --success:#2E7D5B;
  --warning:#C98A2E;
  --danger:#B84A3A;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow-sm:0 8px 24px rgba(23,33,31,.06);
  --shadow-md:0 14px 36px rgba(23,33,31,.10);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-6:24px;--sp-8:32px;--sp-12:48px;--sp-16:64px;--sp-24:96px;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3{font-family:var(--font-serif);font-weight:700;color:var(--ink);}
:focus-visible{outline:3px solid rgba(217,108,59,.28);outline-offset:2px;border-radius:6px;}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--sp-24) 0;}
.section-alt{background:linear-gradient(180deg,#FBF9F5 0%,var(--bg) 100%);}
.section-head{max-width:760px;margin-bottom:var(--sp-12);}
.section-head h2{font-size:clamp(1.6rem,3vw,2.25rem);line-height:1.25;margin-bottom:var(--sp-4);}
.section-head p{color:var(--ink-2);font-size:1rem;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--primary);
  background:var(--primary-soft);border-radius:999px;padding:5px 14px;margin-bottom:var(--sp-4);
}
.eyebrow::before{content:"";width:6px;height:6px;background:var(--accent);transform:rotate(45deg);display:block;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--dark);color:#DDE5E1;font-size:13px;line-height:1.6;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;}
.topbar-left{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.topbar-left .dot{width:6px;height:6px;border-radius:50%;background:#4FA79C;display:inline-block;}
.topbar-hint{color:#9DB3AE;}
.topbar-right{display:flex;align-items:center;gap:18px;}
.topbar-right a{color:#DDE5E1;transition:color .2s ease;}
.topbar-right a:hover{color:#F3C9B4;}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,.94);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary);
  border:1px solid rgba(31,111,107,.18);
  border-radius:11px;
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-family:var(--font-serif);font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.brand-sub{font-size:11px;color:var(--ink-2);letter-spacing:.1em;text-transform:uppercase;}
.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-menu a{
  position:relative;display:block;
  padding:10px 12px;font-size:15px;color:var(--ink-2);
  transition:color .2s ease;
}
.nav-menu a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-menu a:hover{color:var(--primary);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.active{color:var(--primary);font-weight:600;}
.nav-menu a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--border);
  background:var(--surface);border-radius:var(--radius-btn);cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);transition:transform .2s ease;}
.nav-toggle span::before,.nav-toggle span::after{content:"";display:block;width:18px;height:2px;background:var(--ink);transition:transform .2s ease;}
.nav-toggle span::before{transform:translateY(-6px);}
.nav-toggle span::after{transform:translateY(4px);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;line-height:1;font-weight:600;
  padding:14px 24px;border-radius:var(--radius-btn);
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(217,108,59,.22);}
.btn-primary:hover{background:#C55B2C;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);background:#B45125;}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-soft);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--primary);padding:14px 4px;border-radius:0;border-bottom:1px solid rgba(31,111,107,.35);}
.btn-ghost:hover{color:var(--accent);border-color:rgba(217,108,59,.45);}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-2);}
.breadcrumb a{color:var(--primary);transition:color .18s ease;}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:#B9C6C2;}
.breadcrumb .current{color:var(--ink-2);}

/* ---------- 页面首屏 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:56px 0 72px;
  background:
    linear-gradient(180deg,rgba(227,240,238,.85) 0%,rgba(247,244,238,.96) 100%),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  border-bottom:1px solid var(--border);
}
.page-hero::after{
  content:"";position:absolute;right:-80px;top:-60px;width:420px;height:420px;
  background:
    radial-gradient(circle at 30% 30%,rgba(31,111,107,.05),transparent 62%),
    radial-gradient(circle at 70% 70%,rgba(217,108,59,.05),transparent 60%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;position:relative;z-index:1;}
.hero-copy h1{font-size:clamp(2rem,4vw,3rem);line-height:1.18;margin:var(--sp-4) 0 var(--sp-4);}
.hero-copy h1 .hl{color:var(--primary);}
.hero-copy p.lead{font-size:1.0625rem;color:var(--ink-2);max-width:600px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:var(--sp-8);}
.hero-meta{display:flex;flex-wrap:wrap;gap:28px;margin-top:var(--sp-8);padding-top:var(--sp-6);border-top:1px dashed rgba(31,111,107,.25);}
.hero-meta div span{display:block;}
.hero-meta .num{font-family:var(--font-serif);font-size:1.5rem;font-weight:700;color:var(--primary-dark);line-height:1.3;}
.hero-meta .lbl{font-size:13px;color:var(--ink-2);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-img);border:1px solid var(--border);
  box-shadow:var(--shadow-sm);
}
.hero-visual .stamp{
  position:absolute;left:-14px;bottom:-14px;
  width:78px;height:78px;border-radius:14px;
  background:var(--accent);color:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  font-size:12px;line-height:1.3;text-align:center;letter-spacing:.06em;
  box-shadow:0 10px 26px rgba(217,108,59,.28);
}
.hero-visual .stamp strong{font-family:var(--font-serif);font-size:19px;font-weight:700;}

/* ---------- 锚点 + 能力分组 ---------- */
.anchor-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:48px;align-items:start;}
.anchor-nav{
  position:sticky;top:96px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-card);padding:20px 16px;box-shadow:var(--shadow-sm);
}
.anchor-nav h4{font-family:var(--font-sans);font-size:13px;letter-spacing:.1em;color:var(--ink-2);margin-bottom:12px;padding-left:12px;}
.anchor-nav a{
  display:block;padding:9px 12px;font-size:14px;color:var(--ink-2);
  border-radius:8px;border-left:2px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.anchor-nav a:hover{background:var(--primary-soft);color:var(--primary);transform:translateX(4px);}
.anchor-nav a.is-active{background:var(--primary-soft);color:var(--primary-dark);border-left-color:var(--accent);font-weight:600;}

.cap-group{
  display:grid;grid-template-columns:56px minmax(0,1fr);gap:20px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-card);padding:28px;margin-bottom:20px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  scroll-margin-top:110px;
}
.cap-group:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--shadow-md);}
.cap-icon{
  width:56px;height:56px;border-radius:14px;
  background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
}
.cap-icon svg{width:26px;height:26px;}
.cap-group h3{font-size:1.25rem;line-height:1.35;margin-bottom:8px;}
.cap-group p.desc{color:var(--ink-2);font-size:.9375rem;margin-bottom:14px;}
.cap-lines{display:grid;gap:8px;margin-bottom:16px;}
.cap-lines li{position:relative;padding-left:22px;font-size:.9375rem;color:var(--ink);}
.cap-lines li::before{
  content:"";position:absolute;left:4px;top:.65em;width:7px;height:7px;
  background:var(--primary);transform:rotate(45deg);border-radius:1px;
}
.tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;
  font-size:12.5px;line-height:1;padding:6px 12px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary-dark);
}
.tag.accent{background:var(--accent-soft);color:#A5502A;}

/* ---------- 对比表 ---------- */
.table-wrap{
  overflow-x:auto;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
}
table.spec{width:100%;border-collapse:collapse;min-width:640px;font-size:15px;}
table.spec th,table.spec td{padding:16px 20px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top;}
table.spec thead th{background:var(--primary-soft);color:var(--primary-dark);font-family:var(--font-sans);font-weight:600;font-size:14px;letter-spacing:.02em;}
table.spec tbody tr:last-child td{border-bottom:none;}
table.spec tbody tr:hover{background:#FBF9F5;}
table.spec td strong{color:var(--primary-dark);}
.spec-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:28px;}
.spec-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:22px 24px;box-shadow:var(--shadow-sm);
}
.spec-card .k{font-size:13px;color:var(--ink-2);margin-bottom:6px;}
.spec-card .v{font-family:var(--font-serif);font-size:1.25rem;font-weight:700;color:var(--primary-dark);}
.spec-card p{margin-top:8px;font-size:.875rem;color:var(--ink-2);}

/* ---------- 深色区块 ---------- */
.dark-section{background:var(--dark);color:#E8EFED;padding:var(--sp-24) 0;position:relative;overflow:hidden;}
.dark-section::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(227,240,238,.28),transparent);
}
.dark-section h2{color:#fff;}
.dark-section .section-head p{color:#9DB3AE;}
.safety-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.safety-item{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(221,229,225,.14);
  border-radius:var(--radius-card);padding:24px;
  transition:transform .2s ease,border-color .2s ease,background-color .2s ease;
}
.safety-item:hover{transform:translateY(-3px);border-color:rgba(217,108,59,.5);background:rgba(255,255,255,.06);}
.safety-item .idx{font-family:var(--font-serif);font-size:14px;color:#D96C3B;letter-spacing:.12em;}
.safety-item h3{color:#fff;font-size:1.0625rem;margin:12px 0 8px;font-family:var(--font-sans);font-weight:600;}
.safety-item p{font-size:.875rem;color:#9DB3AE;line-height:1.75;}

/* ---------- 场景图文 ---------- */
.split{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;}
.split .figure{position:relative;}
.split .figure img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--radius-img);border:1px solid var(--border);box-shadow:var(--shadow-sm);}
.split .figure .badge-corner{
  position:absolute;top:14px;left:14px;
  background:rgba(18,33,31,.82);color:#E8EFED;
  font-size:12.5px;padding:6px 12px;border-radius:999px;
}
.scene-list{display:grid;gap:16px;margin-top:var(--sp-8);}
.scene-item{
  display:grid;grid-template-columns:40px minmax(0,1fr);gap:16px;
  background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px 20px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.scene-item:hover{transform:translateX(4px);border-color:var(--primary);box-shadow:var(--shadow-sm);}
.scene-item .n{
  width:40px;height:40px;border-radius:10px;background:var(--accent-soft);color:#A5502A;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-family:var(--font-serif);
}
.scene-item h3{font-size:1rem;font-family:var(--font-sans);font-weight:600;margin-bottom:4px;}
.scene-item p{font-size:.875rem;color:var(--ink-2);}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:56px;align-items:start;}
.faq-aside h2{font-size:clamp(1.6rem,3vw,2.25rem);line-height:1.25;margin-bottom:16px;}
.faq-aside p{color:var(--ink-2);font-size:.9375rem;margin-bottom:24px;}
.faq-contact{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-sm);
}
.faq-contact .row{display:flex;justify-content:space-between;gap:12px;font-size:.875rem;padding:9px 0;border-bottom:1px dashed var(--border);}
.faq-contact .row:last-of-type{border-bottom:none;}
.faq-contact .row span:first-child{color:var(--ink-2);}
.faq-contact .row span:last-child{color:var(--ink);font-weight:600;}
.faq-contact .btn{margin-top:16px;width:100%;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:14px;
  overflow:hidden;transition:border-color .2s ease,background-color .2s ease;
}
.faq-item[open]{background:#F3F9F8;border-color:rgba(31,111,107,.35);}
.faq-item summary{
  cursor:pointer;list-style:none;
  padding:18px 22px;font-size:1rem;font-weight:600;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-item summary .plus{
  flex:0 0 22px;width:22px;height:22px;position:relative;
}
.faq-item summary .plus::before,.faq-item summary .plus::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .2s ease,opacity .2s ease;
}
.faq-item summary .plus::before{left:0;top:10px;width:22px;height:2px;}
.faq-item summary .plus::after{left:10px;top:0;width:2px;height:22px;}
.faq-item[open] summary .plus::after{transform:scaleY(0);opacity:0;}
.faq-item .answer{padding:0 22px 22px;color:var(--ink-2);font-size:.9375rem;line-height:1.85;}

/* ---------- CTA / 表单 ---------- */
.cta-section{background:linear-gradient(180deg,var(--bg) 0%,#F1F6F4 100%);padding:var(--sp-24) 0;}
.cta-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:48px;align-items:start;}
.form-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--shadow-sm);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;color:var(--ink-2);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;padding:13px 15px;border:1px solid var(--border);border-radius:var(--radius-btn);
  background:#fff;transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:110px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:#A6B3AF;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(31,111,107,.12);
}
.form-note{font-size:13px;color:var(--ink-2);margin-top:14px;}
.info-card{
  background:var(--dark);color:#E8EFED;border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--shadow-md);
}
.info-card h3{color:#fff;font-size:1.25rem;margin-bottom:20px;}
.info-card .row{display:flex;justify-content:space-between;gap:16px;font-size:.9375rem;padding:12px 0;border-bottom:1px solid rgba(221,229,225,.14);}
.info-card .row:last-of-type{border-bottom:none;}
.info-card .row span:first-child{color:#9DB3AE;}
.info-card .row span:last-child{color:#fff;}
.info-card a{color:#F3C9B4;}
.info-card a:hover{color:#fff;text-decoration:underline;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#C6D3CF;padding:var(--sp-24) 0 32px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(221,229,225,.14);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(227,240,238,.1);border-color:rgba(227,240,238,.18);color:#8FC7C0;}
.footer-brand .brand-name{color:#fff;font-family:var(--font-serif);font-size:17px;font-weight:700;}
.footer-col p{font-size:.875rem;line-height:1.85;color:#9DB3AE;}
.footer-col h4{font-family:var(--font-sans);font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{font-size:.875rem;color:#C6D3CF;transition:color .18s ease,transform .18s ease;display:inline-block;}
.footer-col ul a:hover{color:#F3C9B4;transform:translateX(3px);}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:24px;font-size:13px;color:#8C9C98;}
.footer-bottom a{color:#C6D3CF;}
.footer-bottom a:hover{color:#F3C9B4;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{gap:40px;}
  .anchor-layout{grid-template-columns:220px minmax(0,1fr);gap:32px;}
}
@media (max-width:991px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .nav-menu{
    position:fixed;left:0;right:0;top:108px;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border:1px solid var(--border);border-radius:14px;
    margin:0 20px;padding:12px;box-shadow:var(--shadow-md);
    display:none;
  }
  .nav-menu.is-open{display:flex;}
  .nav-menu a{padding:13px 14px;border-radius:10px;}
  .nav-menu a::after{display:none;}
  .nav-menu a.active{background:var(--primary-soft);}
  .nav-toggle{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual{order:-1;}
  .hero-visual img{aspect-ratio:16/9;}
  .anchor-layout{grid-template-columns:1fr;}
  .anchor-nav{position:static;display:flex;flex-wrap:wrap;gap:8px;padding:14px;}
  .anchor-nav h4{width:100%;margin-bottom:4px;}
  .anchor-nav a{border-left:none;border:1px solid var(--border);padding:8px 14px;border-radius:999px;}
  .anchor-nav a:hover{transform:none;}
  .anchor-nav a.is-active{border-color:var(--primary);}
  .safety-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;gap:32px;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .cta-grid{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .spec-cards{grid-template-columns:1fr;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .topbar-hint{display:none;}
  .nav{min-height:64px;}
  .brand-sub{display:none;}
  .nav-menu{top:100px;}
  .hero-copy h1{font-size:clamp(1.7rem,7vw,2.2rem);}
  .hero-meta{gap:20px;}
  .cap-group{grid-template-columns:1fr;padding:22px;}
  .cap-icon{width:48px;height:48px;border-radius:12px;}
  .safety-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .form-card,.info-card{padding:24px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:480px){
  .hero-cta .btn{width:100%;}
  .spec-cards{grid-template-columns:1fr;}
  .hero-visual .stamp{width:64px;height:64px;font-size:11px;}
}

/* roulang page: category2 */
:root{
  --primary:#1F6F6B;
  --primary-dark:#14504D;
  --primary-light:#E3F0EE;
  --mist:#6F8F8A;
  --accent:#D96C3B;
  --accent-dark:#C25C2F;
  --accent-light:#F6E5DB;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --dark:#12211F;
  --text:#17211F;
  --muted:#5F6F6B;
  --border:#DDE5E1;
  --success:#2E7D5B;
  --warn:#C98A2E;
  --danger:#B84A3A;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow-sm:0 8px 24px rgba(23,33,31,.06);
  --shadow-md:0 14px 36px rgba(23,33,31,.10);
  --container:1200px;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease}
a:hover{color:var(--accent)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 16px}
h1,h2,h3,h4{font-family:var(--font-serif);margin:0;line-height:1.25;font-weight:700;color:var(--text)}
h1{font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.15}
h2{font-size:clamp(1.6rem,3vw,2.25rem)}
h3{font-size:1.25rem;line-height:1.35}
button{font:inherit;cursor:pointer}
:focus-visible{outline:3px solid rgba(217,108,59,.28);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--dark);color:#DDE5E1;font-size:13px;line-height:1}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px}
.topbar-left{display:flex;align-items:center;gap:10px;color:#DDE5E1}
.topbar-left .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.topbar-hint{color:#9DB0AC}
.topbar-right{display:flex;align-items:center;gap:20px}
.topbar-right a{color:#DDE5E1}
.topbar-right a:hover{color:var(--accent)}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(8px);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:10px;
  background:var(--primary-light);color:var(--primary-dark);
  display:flex;align-items:center;justify-content:center;
  border:1px solid #CDE2DF;
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-family:var(--font-serif);font-size:17px;font-weight:700;color:var(--text);letter-spacing:.02em}
.brand-sub{font-size:11px;color:var(--mist);letter-spacing:.12em;text-transform:uppercase}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-menu a{
  display:block;padding:9px 14px;border-radius:10px;
  font-size:15px;color:var(--text);position:relative;
}
.nav-menu a:hover{background:var(--primary-light);color:var(--primary-dark)}
.nav-menu a.active{color:var(--primary);font-weight:600}
.nav-menu a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--accent);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:40px;height:40px;position:relative;
  background:#fff;border:1px solid var(--border);border-radius:10px;
}
.nav-toggle span,.nav-toggle::before,.nav-toggle::after{
  content:"";position:absolute;left:11px;right:11px;height:2px;background:var(--text);
  border-radius:2px;transition:.2s ease;
}
.nav-toggle span{top:50%;transform:translateY(-50%)}
.nav-toggle::before{top:14px}
.nav-toggle::after{top:24px}
.nav-toggle.is-open span{opacity:0}
.nav-toggle.is-open::before{top:19px;transform:rotate(45deg)}
.nav-toggle.is-open::after{top:19px;transform:rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(217,108,59,.22)}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(217,108,59,.28)}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--primary-dark);border-color:var(--border)}
.btn-light:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 分类页首屏 ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  padding:48px 0 72px;
  background:
    linear-gradient(180deg,rgba(227,240,238,.95),rgba(227,240,238,.88)),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  border-bottom:1px solid #D5E6E3;
}
.cat-hero::after{
  content:"";position:absolute;right:-80px;top:-60px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(31,111,107,.10),transparent 65%);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:1}
.breadcrumb{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.breadcrumb a{color:var(--primary)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:#B7C6C2}
.breadcrumb .current{color:var(--muted)}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid #CDE2DF;color:var(--primary-dark);
  border-radius:999px;padding:6px 14px;font-size:13px;margin-bottom:20px;
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.cat-hero h1{max-width:900px;margin-bottom:20px}
.cat-hero h1 em{font-style:normal;color:var(--primary-dark);position:relative}
.hero-lead{max-width:720px;font-size:1.0625rem;color:#3E5350;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero-meta{display:flex;flex-wrap:wrap;gap:32px;padding-top:24px;border-top:1px solid #CFE2DF}
.hero-meta div{display:flex;flex-direction:column;gap:2px}
.hero-meta strong{font-family:var(--font-serif);font-size:1.35rem;color:var(--primary-dark)}
.hero-meta span{font-size:13px;color:var(--muted)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{max-width:720px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--primary);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.section-head p{color:var(--muted);margin:16px 0 0;font-size:1rem}
.section-head-center{max-width:760px;margin:0 auto 44px;text-align:center}
.section-head-center .eyebrow{justify-content:center}

/* ---------- 流程时间线 ---------- */
.process-line{position:relative;padding:8px 0 4px}
.process-line::before{
  content:"";position:absolute;top:30px;left:7%;right:7%;height:2px;
  background:repeating-linear-gradient(90deg,var(--border) 0 10px,transparent 10px 20px);
}
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:24px;position:relative;z-index:1}
.step{display:flex;flex-direction:column;align-items:center;text-align:center;padding:0 4px}
.step-num{
  width:46px;height:46px;border-radius:50%;
  background:var(--surface);border:1px solid #BFDAD6;color:var(--primary-dark);
  display:flex;align-items:center;justify-content:center;
  font-family:ui-monospace,"SFMono-Regular",Menlo,monospace;font-size:14px;font-weight:700;
  box-shadow:0 6px 16px rgba(31,111,107,.12);margin-bottom:20px;
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.step:hover .step-num{background:var(--primary);color:#fff;transform:translateY(-2px)}
.step h3{font-size:1.0625rem;margin-bottom:10px}
.step p{font-size:.875rem;color:var(--muted);line-height:1.75;margin:0}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center}
.split-media{position:relative}
.split-media img{border:1px solid var(--border);box-shadow:var(--shadow-md)}
.split-media .seal{
  position:absolute;left:-14px;bottom:-14px;
  background:var(--accent);color:#fff;border-radius:10px;
  padding:10px 14px;font-size:12px;letter-spacing:.06em;box-shadow:0 10px 24px rgba(217,108,59,.3);
}
.split-body h2{margin-bottom:18px}
.split-body p{color:#3E5350}
.key-list{margin-top:26px;display:grid;gap:12px}
.key-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--border);border-radius:12px;
  padding:14px 18px;font-size:.95rem;transition:border-color .2s ease,transform .2s ease;
}
.key-list li:hover{border-color:var(--primary);transform:translateX(4px)}
.key-list .tick{
  flex:0 0 20px;width:20px;height:20px;border-radius:50%;
  background:var(--primary-light);color:var(--primary-dark);
  display:flex;align-items:center;justify-content:center;font-size:12px;margin-top:4px;
}

/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.card:hover{border-color:var(--primary);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.card h3{margin-bottom:12px}
.card p{color:var(--muted);font-size:.9375rem;margin-bottom:0}
.card-tag{
  display:inline-block;background:var(--primary-light);color:var(--primary-dark);
  border-radius:999px;padding:4px 12px;font-size:12px;margin-bottom:14px;
}
.card-num{
  font-family:ui-monospace,"SFMono-Regular",Menlo,monospace;
  font-size:13px;color:var(--accent);font-weight:700;letter-spacing:.08em;display:block;margin-bottom:12px;
}
.card-soft{background:#FBFDFC;border-color:#D2E6E3}

/* ---------- 自查表 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius-card);background:var(--surface)}
table.check-table{width:100%;border-collapse:collapse;min-width:720px;font-size:.9375rem}
table.check-table th,table.check-table td{
  padding:16px 20px;text-align:left;border-bottom:1px solid var(--border);vertical-align:top;
}
table.check-table th{
  background:var(--primary-light);color:var(--primary-dark);
  font-family:var(--font-serif);font-size:.95rem;letter-spacing:.02em;
}
table.check-table tr:last-child td{border-bottom:none}
table.check-table tbody tr:hover{background:#FBFDFC}
table.check-table td:first-child{font-weight:600;color:var(--primary-dark);white-space:nowrap}
table.check-table td .muted{color:var(--muted)}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 88% 15%,rgba(31,111,107,.38),transparent 46%),
    radial-gradient(circle at 8% 90%,rgba(217,108,59,.22),transparent 42%),
    var(--dark);
  color:#DDE5E1;padding:80px 0;
}
.cta-band::after{
  content:"";position:absolute;left:-40px;top:50%;width:280px;height:280px;
  border:1px solid rgba(221,229,225,.14);border-radius:50%;transform:translateY(-50%);
}
.cta-band .container{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.cta-band h2{color:#fff;margin-bottom:16px}
.cta-band p{color:#AFC2BE;margin:0}
.cta-band .actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-band .btn-outline{border-color:rgba(221,229,225,.5);color:#EAF4F2}
.cta-band .btn-outline:hover{background:rgba(227,240,238,.14);color:#fff}
.cta-note{margin-top:20px;font-size:13px;color:#8FA5A1}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#AFC2BE;padding:72px 0 0;font-size:.9375rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{background:rgba(227,240,238,.1);border-color:rgba(227,240,238,.18);color:#EAF4F2}
.footer-brand .brand-name{color:#fff;font-family:var(--font-serif);font-size:17px}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:18px}
.footer-col p{color:#8FA5A1;line-height:1.85;margin:0;font-size:.9375rem}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{color:#AFC2BE}
.footer-col ul a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(221,229,225,.14);
  padding:22px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7E9490;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .timeline{grid-template-columns:repeat(3,1fr);row-gap:40px}
  .process-line::before{display:none}
  .split{gap:40px}
  .cta-band .container{grid-template-columns:1fr}
  .cta-band .actions{justify-content:flex-start}
}

@media (max-width:991px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .cat-hero{padding:36px 0 56px}
  .nav-toggle{display:block}
  .nav-menu{
    position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--border);
    padding:12px 24px 20px;display:none;box-shadow:var(--shadow-sm);
  }
  .nav-menu.open{display:flex}
  .nav-menu a{padding:12px 14px}
  .nav-menu a.active::after{left:14px;right:auto;width:22px}
  .split{grid-template-columns:1fr}
  .split-media{order:-1}
  .grid-2{grid-template-columns:1fr}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}

@media (max-width:767px){
  .container{padding:0 20px}
  body{font-size:15px}
  .section{padding:52px 0}
  .topbar-hint{display:none}
  .topbar-right{gap:14px}
  .hero-meta{gap:22px}
  .hero-meta strong{font-size:1.15rem}
  .timeline{grid-template-columns:1fr;row-gap:28px}
  .step{flex-direction:row;align-items:flex-start;text-align:left;gap:16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);padding:20px}
  .step-num{margin-bottom:0;flex:0 0 46px}
  .step p{font-size:.875rem}
  .card{padding:22px}
  .split-media .seal{left:12px;bottom:12px}
  .cta-band{padding:60px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}

@media (max-width:480px){
  .hero-actions .btn{width:100%}
  .cta-band .actions .btn{width:100%}
  .brand-sub{display:none}
}

/* roulang page: category3 */
:root{
  --brand:#1F6F6B;
  --brand-dark:#14504D;
  --brand-light:#E3F0EE;
  --mist:#6F8F8A;
  --accent:#D96C3B;
  --accent-light:#F6E5DB;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --ink-dark:#12211F;
  --ink:#17211F;
  --ink-2:#5F6F6B;
  --line:#DDE5E1;
  --ok:#2E7D5B;
  --warn:#C98A2E;
  --err:#B84A3A;
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:14px;
  --sh:0 8px 24px rgba(23,33,31,.06);
  --sh-hover:0 14px 36px rgba(23,33,31,.10);
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--accent)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--serif);color:var(--ink-dark);font-weight:700}
h1{font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.15}
h2{font-size:clamp(1.6rem,3vw,2.25rem);line-height:1.25}
h3{font-size:1.25rem;line-height:1.35}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(217,108,59,.28);outline-offset:2px;border-radius:6px}

.container{max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:48px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--brand);
  text-transform:uppercase;font-family:var(--sans);font-weight:600;
  margin-bottom:16px;
}
.section-head .eyebrow::before{
  content:"";width:26px;height:1px;background:var(--brand);display:block;
}
.section-head h2{margin-bottom:16px}
.section-head p{color:var(--ink-2);font-size:1rem;line-height:1.9}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--ink-dark);
  color:#DDE5E1;
  font-size:13px;
  line-height:36px;
  height:36px;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-left{display:flex;align-items:center;gap:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-left .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;flex:0 0 auto}
.topbar-right{display:flex;align-items:center;gap:20px}
.topbar-right a{color:#DDE5E1}
.topbar-right a:hover{color:#fff}
.topbar-right .divider{width:1px;height:12px;background:rgba(221,229,225,.28)}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink-dark)}
.brand:hover{color:var(--ink-dark)}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-name{font-family:var(--serif);font-weight:700;font-size:1.05rem;letter-spacing:.02em}
.brand-sub{font-size:11px;letter-spacing:.16em;color:var(--mist);text-transform:uppercase}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-menu a{
  display:inline-block;padding:8px 14px;border-radius:var(--r-pill);
  color:var(--ink-2);font-size:.94rem;position:relative;transition:color var(--ease),background var(--ease);
}
.nav-menu a:hover{color:var(--brand-dark);background:var(--brand-light)}
.nav-menu a.active{color:var(--brand);font-weight:600}
.nav-menu a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--accent);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";display:block;width:18px;height:2px;background:var(--ink-dark);
  border-radius:2px;transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle span{position:relative}
.nav-toggle span::before{position:absolute;top:-6px;left:0}
.nav-toggle span::after{position:absolute;top:6px;left:0}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;line-height:1;font-weight:600;
  padding:14px 24px;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(217,108,59,.22)}
.btn-primary:hover{background:#c35c2e;color:#fff;transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--brand-dark);border-color:rgba(255,255,255,.5)}
.btn-light:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none}
.link-arrow{color:var(--brand);font-weight:600;font-size:.94rem;display:inline-flex;align-items:center;gap:6px}
.link-arrow::after{content:"→";transition:transform var(--ease)}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover::after{transform:translateX(4px)}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#EFF6F4 0%,var(--brand-light) 100%);
  border-bottom:1px solid var(--line);
  padding:56px 0 72px;
}
.page-hero::before,
.page-hero::after{
  content:"";position:absolute;pointer-events:none;
}
.page-hero::before{
  width:520px;height:520px;right:-140px;top:-200px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(31,111,107,.10),transparent 65%);
}
.page-hero::after{
  inset:0;
  background-image:
    radial-gradient(circle at 12% 78%,rgba(31,111,107,.05) 0 2px,transparent 3px),
    radial-gradient(circle at 68% 22%,rgba(217,108,59,.05) 0 2px,transparent 3px);
  background-size:180px 180px,240px 240px;
}
.page-hero .container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2);margin-bottom:22px}
.crumbs a{color:var(--brand)}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{color:#B9C6C2}
.crumbs .current{color:var(--ink-2)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:48px;align-items:start}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.85);border:1px solid rgba(31,111,107,.22);
  color:var(--brand-dark);font-size:13px;font-weight:600;
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:20px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:block}
.page-hero h1{margin-bottom:20px;letter-spacing:.01em}
.page-hero h1 em{font-style:normal;color:var(--brand)}
.hero-lead{font-size:1.05rem;line-height:1.95;color:#42534F;max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-note{margin-top:18px;font-size:.86rem;color:var(--mist)}

.hero-side{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);padding:26px 24px;position:relative;
}
.hero-side::after{
  content:"支持";position:absolute;right:20px;top:-12px;
  background:var(--accent);color:#fff;font-size:11px;letter-spacing:.16em;
  padding:4px 10px;border-radius:var(--r-pill);font-weight:600;
}
.hero-side h3{font-size:1.05rem;margin-bottom:6px}
.hero-side .side-sub{font-size:.86rem;color:var(--ink-2);margin-bottom:18px}
.side-list li{
  display:flex;align-items:flex-start;gap:10px;
  padding:11px 0;border-bottom:1px dashed var(--line);font-size:.94rem;color:#3C4B47;
}
.side-list li:last-child{border-bottom:0}
.side-list .tick{
  flex:0 0 auto;width:18px;height:18px;border-radius:50%;margin-top:4px;
  background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;
}
.side-foot{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:.86rem;color:var(--ink-2);
}
.side-foot strong{color:var(--ink-dark);font-family:var(--serif)}

/* ---------- 支持范围 ---------- */
.scope-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.scope-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scope-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--brand)}
.scope-icon{
  width:44px;height:44px;border-radius:12px;background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.scope-icon svg{width:22px;height:22px}
.scope-card h3{font-size:1.08rem;margin-bottom:10px}
.scope-card p{font-size:.92rem;color:var(--ink-2);line-height:1.85}
.scope-tag{
  display:inline-block;margin-top:16px;font-size:12px;color:var(--brand-dark);
  background:var(--brand-light);border-radius:var(--r-pill);padding:3px 12px;
}

/* ---------- 数据条 ---------- */
.stats{background:var(--ink-dark);color:#DDE5E1;padding:64px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.stat b{
  display:block;font-size:clamp(1.9rem,3.4vw,2.6rem);line-height:1.1;
  color:#fff;font-family:var(--serif);letter-spacing:.02em;
}
.stat span{display:block;margin-top:10px;font-size:.9rem;color:#A9BDB9}
.stat{padding-left:20px;border-left:1px solid rgba(221,229,225,.18)}
.stat:first-child{border-left:0;padding-left:0}

/* ---------- 支持主区（FAQ + 表单） ---------- */
.support-wrap{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:40px;align-items:start;
}
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);
}
.faq-panel{padding:32px 32px 24px}
.faq-panel h2{font-size:1.5rem;margin-bottom:8px}
.faq-panel .panel-sub{font-size:.92rem;color:var(--ink-2);margin-bottom:22px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:flex-start;gap:14px;
  padding:18px 4px;font-size:1rem;font-weight:600;color:var(--ink-dark);
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary .idx{
  font-family:var(--sans);font-size:.78rem;font-weight:700;color:var(--brand);
  background:var(--brand-light);border-radius:6px;padding:3px 7px;margin-top:3px;flex:0 0 auto;
}
.faq-item summary .q{flex:1}
.faq-item summary .sign{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--line);color:var(--brand);position:relative;margin-top:3px;
  transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.faq-item summary .sign::before,
.faq-item summary .sign::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-item summary .sign::before{width:10px;height:1.6px}
.faq-item summary .sign::after{width:1.6px;height:10px;transition:opacity var(--ease)}
.faq-item[open] summary{color:var(--brand-dark)}
.faq-item[open] summary .sign{background:var(--brand-light);border-color:var(--brand-light);transform:rotate(180deg)}
.faq-item[open] summary .sign::after{opacity:0}
.faq-item .answer{
  padding:0 4px 20px 44px;
  font-size:.94rem;color:var(--ink-2);line-height:1.9;
}
.faq-item[open] .answer{animation:fadeUp 220ms ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}

.side-column{display:flex;flex-direction:column;gap:24px;position:sticky;top:96px}
.contact-card{
  background:var(--ink-dark);color:#DDE5E1;border-radius:var(--r-card);padding:28px 26px;
  position:relative;overflow:hidden;
}
.contact-card::before{
  content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(217,108,59,.28),transparent 62%);
}
.contact-card h3{color:#fff;font-size:1.15rem;margin-bottom:12px;position:relative}
.contact-card p{font-size:.9rem;color:#A9BDB9;position:relative}
.contact-list{margin-top:20px;position:relative}
.contact-list li{
  display:flex;justify-content:space-between;gap:12px;
  font-size:.9rem;padding:10px 0;border-bottom:1px dashed rgba(221,229,225,.2);
}
.contact-list li:last-child{border-bottom:0}
.contact-list strong{color:#fff;font-weight:600}
.contact-card .btn{width:100%;margin-top:18px;position:relative}

.form-card{padding:28px 26px 30px}
.form-card h3{font-size:1.15rem;margin-bottom:6px}
.form-card .form-sub{font-size:.88rem;color:var(--ink-2);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:#3C4B47;margin-bottom:7px}
.field input,
.field select,
.field textarea{
  width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:12px 14px;font-size:.94rem;color:var(--ink);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field input::placeholder,
.field textarea::placeholder{color:#9BAAA6}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,111,107,.14);
}
.field input:disabled{background:#F3F5F4;opacity:.6}
.field.has-error input,
.field.has-error textarea,
.field.has-error select{border-color:var(--err);box-shadow:0 0 0 3px rgba(184,74,58,.12)}
.field .err-msg{display:none;margin-top:6px;font-size:12.5px;color:var(--err)}
.field.has-error .err-msg{display:block}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-tip{
  margin-top:14px;font-size:13.5px;color:var(--ok);
  background:#EAF4EE;border:1px solid #CDE5D8;border-radius:var(--r-btn);padding:11px 14px;
}
.form-consent{font-size:12.5px;color:var(--mist);margin-top:12px;line-height:1.7}

/* ---------- 响应等级表 ---------- */
.table-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);overflow:hidden;
}
.table-scroll{overflow-x:auto}
table.sla{width:100%;border-collapse:collapse;min-width:640px}
table.sla th,
table.sla td{
  padding:16px 20px;text-align:left;font-size:.92rem;
  border-bottom:1px solid var(--line);vertical-align:top;
}
table.sla thead th{
  background:var(--brand-light);color:var(--brand-dark);
  font-family:var(--sans);font-weight:700;font-size:.88rem;letter-spacing:.02em;
}
table.sla tbody tr:last-child td{border-bottom:0}
table.sla tbody tr:hover{background:#FBFCFB}
table.sla td strong{color:var(--ink-dark)}
.pill{
  display:inline-block;font-size:12px;padding:3px 11px;border-radius:var(--r-pill);
  background:var(--brand-light);color:var(--brand-dark);font-weight:600;
}
.pill.warn{background:#FBF0DC;color:#8A5D12}
.pill.accent{background:var(--accent-light);color:#A7451B}

/* ---------- 图文 ---------- */
.media-row{
  display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);
  gap:48px;align-items:center;
}
.media-figure{position:relative}
.media-figure img{
  width:100%;border-radius:var(--r-img);border:1px solid var(--line);
  box-shadow:var(--sh);object-fit:cover;aspect-ratio:4/3;
}
.media-figure .seal{
  position:absolute;left:-14px;bottom:-14px;background:var(--accent);color:#fff;
  font-family:var(--serif);font-size:12px;letter-spacing:.18em;
  padding:8px 14px;border-radius:8px;box-shadow:0 8px 20px rgba(217,108,59,.28);
}
.media-text h2{margin-bottom:18px}
.media-text p{color:var(--ink-2);margin-bottom:16px}
.check-list{margin-top:20px}
.check-list li{
  display:flex;align-items:flex-start;gap:12px;
  padding:9px 0;font-size:.95rem;color:#3C4B47;
}
.check-list .tick{
  flex:0 0 auto;width:20px;height:20px;border-radius:6px;margin-top:4px;
  background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,#14504D 0%,#1F6F6B 100%);
  color:#EAF3F1;border-radius:24px;padding:56px 48px;
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  gap:36px;align-items:center;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:inset 0 0 0 40px rgba(255,255,255,.04);
}
.cta-band h2{color:#fff;margin-bottom:14px;position:relative}
.cta-band p{color:#C7DAD6;font-size:.98rem;position:relative;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-dark);color:#A9BDB9;padding:72px 0 28px;margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(221,229,225,.14);
}
.footer-col h4{
  color:#fff;font-size:.98rem;margin-bottom:18px;font-family:var(--sans);font-weight:700;
  letter-spacing:.02em;
}
.footer-col p{font-size:.9rem;line-height:1.85;color:#A9BDB9}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{background:rgba(227,240,238,.12);color:#8FC7C1}
.footer-brand .brand-name{color:#fff;font-family:var(--serif);font-weight:700;font-size:1.05rem}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{color:#A9BDB9;font-size:.9rem}
.footer-col ul a:hover{color:#fff}
.footer-bottom{
  padding-top:22px;display:flex;flex-wrap:wrap;gap:10px 24px;
  justify-content:space-between;font-size:.82rem;color:#7C918D;
}
.footer-bottom a{color:#7C918D}
.footer-bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .scope-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .support-wrap{grid-template-columns:1fr}
  .side-column{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .nav-menu{
    position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;
    padding:10px 20px 18px;box-shadow:var(--sh);
    display:none;
  }
  .nav-menu.open{display:flex}
  .nav-menu li{width:100%}
  .nav-menu a{padding:13px 8px;border-bottom:1px solid var(--line);border-radius:0}
  .nav-menu a.active::after{display:none}
  .nav-menu a.active{color:var(--brand);background:var(--brand-light);border-radius:8px}
  .nav-toggle{display:flex;align-items:center;justify-content:center}
  .nav{position:relative}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 24px}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .media-row{grid-template-columns:1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;padding:44px 32px}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:767px){
  .topbar{font-size:12px}
  .topbar-left .hide-sm{display:none}
  .topbar-right .hide-sm{display:none}
  .scope-grid{grid-template-columns:1fr}
  .faq-panel{padding:24px 20px 16px}
  .faq-item .answer{padding-left:4px}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .page-hero{padding:36px 0 52px}
  .stats{padding:48px 0}
  .stats-grid{grid-template-columns:1fr;gap:24px}
  .stat{border-left:0;padding-left:0;border-top:1px solid rgba(221,229,225,.16);padding-top:20px}
  .stat:first-child{border-top:0;padding-top:0}
  .brand-sub{display:none}
}