/* roulang page: index */
:root{
  --rose:#E6546E;
  --rose-dark:#C13C57;
  --rose-soft:rgba(230,84,110,.08);
  --plum:#3B2233;
  --apricot:#F7B267;
  --apricot-soft:rgba(247,178,103,.12);
  --teal:#2EA88E;
  --teal-soft:rgba(46,168,142,.12);
  --cream:#FBF6F2;
  --cream-2:#F5EDE7;
  --white:#FFFFFF;
  --ink:#2A1F26;
  --ink-2:#6E5C66;
  --ink-3:#9A8A94;
  --line:#EADFD8;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 2px 10px rgba(59,34,51,.06);
  --sh-2:0 12px 30px rgba(59,34,51,.13);
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-primary:#E6546E;
  --bs-body-font-family:var(--font);
  --bs-body-color:#2A1F26;
  --bs-body-bg:#FBF6F2;
  --bs-border-color:#EADFD8;
  --bs-link-color:#C13C57;
  --bs-link-hover-color:#E6546E;
  --bs-border-radius:16px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--cream);
  overflow-x:hidden;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--rose-dark);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--rose);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--plum);font-weight:700;letter-spacing:-.2px;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto;}
@media(min-width:768px){.container{padding-left:24px;padding-right:24px;}}
.row{--bs-gutter-x:24px;--bs-gutter-y:24px;}
section{padding:56px 0;}
@media(min-width:992px){section{padding:88px 0;}}
.sec-head{max-width:760px;margin-bottom:32px;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;color:var(--rose-dark);
  background:var(--rose-soft);border-radius:8px;padding:4px 10px;margin-bottom:14px;font-weight:600;
}
.sec-head h2{
  font-size:clamp(23px,2.6vw,34px);line-height:1.3;position:relative;padding-bottom:14px;margin-bottom:14px;
}
.sec-head h2::after{
  content:"";position:absolute;left:0;bottom:0;width:40px;height:3px;border-radius:2px;
  background:var(--rose);
}
.sec-head p{color:var(--ink-2);font-size:15.5px;max-width:680px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head.center h2::after{left:50%;transform:translateX(-50%);}
/* ============ 按钮 ============ */
.btn-r{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;border-radius:var(--r-pill);
  padding:13px 28px;font-size:15px;font-weight:600;line-height:1.2;
  background:var(--rose);color:#fff;cursor:pointer;
  transition:all .18s ease;text-align:center;min-height:48px;
  -webkit-tap-highlight-color:transparent;
}
.btn-r:hover{background:var(--rose-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(230,84,110,.28);}
.btn-r:active{transform:translateY(1px);filter:brightness(.94);}
.btn-r:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(230,84,110,.35);}
.btn-r.ghost{
  background:#fff;color:var(--plum);border:1px solid var(--line);box-shadow:var(--sh-1);
}
.btn-r.ghost:hover{border-color:var(--rose);color:var(--rose);background:#fff;}
.btn-r.on-dark{background:#fff;color:var(--plum);}
.btn-r.on-dark:hover{background:#fff;color:var(--rose-dark);}
.btn-r.line-dark{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5);}
.btn-r.line-dark:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-r.sm{padding:10px 20px;font-size:14px;min-height:44px;}
.btn-r.block{width:100%;}
.btn-link-r{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14.5px;color:var(--rose-dark);
}
.btn-link-r:hover{color:var(--rose);text-decoration:underline;text-underline-offset:3px;}
/* ============ 头部 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(251,246,242,.92);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.brand-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;min-width:0;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--rose) 0%,var(--rose-dark) 100%);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(230,84,110,.28);position:relative;
}
.brand-mark svg{width:20px;height:20px;fill:#fff;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0;}
.brand-text strong{font-size:16.5px;color:var(--plum);font-weight:700;white-space:nowrap;letter-spacing:-.2px;}
.brand-text span{font-size:11.5px;color:var(--ink-3);letter-spacing:.08em;}
.brand-bar .head-dl{display:inline-flex;align-items:center;gap:8px;flex:0 0 auto;}
.brand-bar .head-dl .ico{font-size:15px;}
@media(max-width:575px){
  .brand-bar{height:56px;gap:10px;}
  .brand-mark{width:34px;height:34px;border-radius:10px;}
  .brand-text strong{font-size:14.5px;}
  .brand-text span{display:none;}
  .brand-bar .head-dl{padding:9px 16px;min-height:40px;font-size:13.5px;}
}
.chip-row{
  display:flex;flex-wrap:nowrap;overflow-x:auto;gap:8px;
  padding:0 20px 12px;
  scrollbar-width:none;-ms-overflow-style:none;
  -webkit-overflow-scrolling:touch;
  position:relative;
}
.chip-row::-webkit-scrollbar{display:none;}
.chip-row::after{
  content:"";position:absolute;top:0;right:0;width:24px;height:100%;
  background:linear-gradient(90deg,rgba(251,246,242,0),rgba(251,246,242,.95));
  pointer-events:none;
}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;
  padding:8px 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--plum);
  font-size:13.5px;font-weight:600;white-space:nowrap;
  transition:all .18s ease;min-height:36px;
}
.chip:hover{border-color:var(--rose);color:var(--rose-dark);transform:translateY(-1px);}
.chip.active{background:var(--rose);border-color:var(--rose);color:#fff;box-shadow:0 6px 14px rgba(230,84,110,.24);}
.chip:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(230,84,110,.3);}
@media(max-width:575px){
  .chip-row{padding:0 20px 10px;}
  .chip{padding:7px 14px;font-size:13px;min-height:34px;}
}
/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;padding:44px 0 56px;
  background:
    linear-gradient(160deg,rgba(251,246,242,.94) 0%,rgba(251,246,242,.82) 46%,rgba(247,178,103,.35) 100%),
    url('/assets/images/837db625d2fe2b98.webp') center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(247,178,103,.30),rgba(247,178,103,0) 68%);
  top:-160px;right:-90px;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;}
.hero h1{
  font-size:clamp(28px,4.2vw,48px);line-height:1.25;letter-spacing:-.5px;margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--rose-dark);}
.hero .lead{
  font-size:16.5px;line-height:1.85;color:var(--ink-2);max-width:640px;margin-bottom:14px;
}
.hero .lead-strong{
  font-size:15px;color:var(--plum);font-weight:600;margin-bottom:24px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:12px;}
.hero-actions .btn-r{flex:1 1 150px;max-width:200px;}
.hero-note{font-size:12.5px;color:var(--ink-3);line-height:1.6;margin-bottom:26px;}
.hero-figure{position:relative;padding:10px;}
.hero-figure .blob{
  position:absolute;width:180px;height:180px;border-radius:50%;
  background:var(--apricot);opacity:.28;top:-6px;right:6px;z-index:0;filter:blur(2px);
}
.hero-figure img{
  position:relative;z-index:1;width:100%;border-radius:20px;
  box-shadow:0 24px 50px rgba(230,84,110,.22);object-fit:cover;aspect-ratio:4/3;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.tag{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:8px;
  font-size:12px;font-weight:600;line-height:1.6;
  background:var(--apricot-soft);color:#9A6A28;
}
.tag.teal{background:var(--teal-soft);color:#1F7F6C;}
.tag.rose{background:var(--rose-soft);color:var(--rose-dark);}
.hero-dims{
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:34px;
}
.dim-mini{
  background:rgba(255,255,255,.86);border-radius:14px;padding:14px 16px;
  box-shadow:var(--sh-1);border:1px solid rgba(234,223,216,.7);
}
.dim-mini b{display:block;font-size:15px;color:var(--plum);}
.dim-mini span{font-size:12.5px;color:var(--ink-2);}
@media(max-width:991px){
  .hero-figure{margin-top:30px;}
}
@media(max-width:575px){
  .hero{padding:30px 0 40px;}
  .hero-actions .btn-r{flex:1 1 100%;max-width:none;}
  .hero-dims{grid-template-columns:repeat(2,1fr);gap:10px;}
  .dim-mini{padding:12px;}
}
/* ============ 指标看板 ============ */
.section-alt{background:var(--cream-2);}
.dim-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.dim-card{
  position:relative;background:#fff;border-radius:var(--r-card);padding:22px 20px 20px;
  box-shadow:var(--sh-1);transition:all .18s ease;
}
.dim-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.dim-card .num{
  position:absolute;top:14px;right:16px;font-size:13px;font-weight:700;
  color:var(--apricot);letter-spacing:.05em;transition:color .18s ease;
}
.dim-card:hover .num{color:var(--rose);}
.dim-card h3{font-size:19px;line-height:1.4;margin-bottom:8px;}
.dim-card p{font-size:13px;line-height:1.75;color:var(--ink-2);margin:0;}
@media(max-width:991px){.dim-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:575px){.dim-grid{grid-template-columns:1fr;}}
/* ============ 服务矩阵 ============ */
.matrix{
  display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(150px,auto);gap:20px;
}
.mx-main{
  grid-column:span 2;grid-row:span 2;
  background:#fff;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:all .18s ease;display:flex;flex-direction:column;
}
.mx-main:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.mx-main img{width:100%;height:210px;object-fit:cover;border-radius:0;}
.mx-main .mx-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.mx-main h3{font-size:20px;}
.mx-main p{font-size:14px;line-height:1.75;color:var(--ink-2);margin:0;}
.mx-small{
  background:#fff;border-radius:var(--r-card);padding:20px 18px;
  box-shadow:var(--sh-1);transition:all .18s ease;display:flex;flex-direction:column;gap:8px;
}
.mx-small:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.mx-small .ico{
  width:38px;height:38px;border-radius:11px;background:var(--rose-soft);
  display:flex;align-items:center;justify-content:center;color:var(--rose-dark);font-size:17px;font-weight:700;
}
.mx-small h3{font-size:16.5px;line-height:1.45;}
.mx-small p{font-size:13px;line-height:1.7;color:var(--ink-2);margin:0;}
@media(max-width:991px){
  .matrix{grid-template-columns:repeat(2,1fr);}
  .mx-main{grid-column:span 2;grid-row:auto;}
}
@media(max-width:575px){
  .matrix{grid-template-columns:1fr;}
  .mx-main{grid-column:span 1;}
  .mx-main img{height:170px;}
}
/* ============ 距离圈层 ============ */
.circle-band{display:grid;grid-template-columns:repeat(3,1fr);gap:0;background:#fff;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.circle-cell{padding:28px 24px;position:relative;}
.circle-cell + .circle-cell{border-left:1px solid var(--line);}
.circle-cell::before{
  content:"";position:absolute;left:0;top:28px;width:3px;height:26px;border-radius:2px;
  background:linear-gradient(180deg,var(--rose),var(--apricot));
}
.circle-cell{padding-left:32px;}
.circle-cell h3{font-size:18px;margin-bottom:8px;}
.circle-cell p{font-size:13.5px;line-height:1.75;color:var(--ink-2);margin-bottom:14px;}
.circle-cell .tags{display:flex;flex-wrap:wrap;gap:6px;}
@media(max-width:767px){
  .circle-band{grid-template-columns:1fr;}
  .circle-cell + .circle-cell{border-left:none;border-top:1px solid var(--line);}
}
/* ============ 对比 ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.cmp-col{border-radius:var(--r-card);padding:26px 24px;}
.cmp-col.old{background:#fff;border:1px solid var(--line);}
.cmp-col.new{background:var(--rose-soft);border:1px solid rgba(230,84,110,.18);}
.cmp-col h3{font-size:17px;margin-bottom:18px;display:flex;align-items:center;gap:8px;}
.cmp-col ul li{
  display:flex;gap:10px;font-size:14px;line-height:1.8;padding:10px 0;
  border-bottom:1px dashed var(--line);color:var(--ink-2);
}
.cmp-col ul li:last-child{border-bottom:none;padding-bottom:0;}
.cmp-col .mk{flex:0 0 auto;width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;margin-top:4px;}
.cmp-col.old .mk{background:#F1E7E1;color:var(--ink-3);}
.cmp-col.new .mk{background:var(--rose);color:#fff;}
.cmp-col.new ul li{color:var(--plum);}
@media(max-width:767px){.compare{grid-template-columns:1fr;}}
/* ============ 专题带 ============ */
.topic-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.topic-card{
  background:#fff;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:all .18s ease;display:flex;flex-direction:column;
}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.topic-card img{width:100%;height:130px;object-fit:cover;}
.topic-card .tc-body{padding:16px 16px 18px;}
.topic-card h3{font-size:15.5px;line-height:1.5;margin-bottom:6px;}
.topic-card p{font-size:12.5px;line-height:1.7;color:var(--ink-2);margin:0;}
@media(max-width:991px){.topic-rail{grid-template-columns:repeat(2,1fr);}}
@media(max-width:575px){.topic-rail{grid-template-columns:1fr;}}
/* ============ 里程碑 ============ */
.mile{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding-top:10px;}
.mile::before{
  content:"";position:absolute;left:6%;right:6%;top:24px;height:2px;
  background:linear-gradient(90deg,rgba(230,84,110,.35),rgba(247,178,103,.55));
}
.mile-node{position:relative;text-align:left;padding-top:56px;}
.mile-node .dot{
  position:absolute;top:16px;left:0;width:18px;height:18px;border-radius:50%;
  background:var(--rose);border:4px solid #fff;box-shadow:0 0 0 2px rgba(230,84,110,.28);
}
.mile-node .stg{font-size:12px;font-weight:700;color:var(--apricot);letter-spacing:.08em;margin-bottom:6px;}
.mile-node h3{font-size:17px;margin-bottom:8px;}
.mile-node p{font-size:13.5px;line-height:1.75;color:var(--ink-2);margin:0;}
@media(max-width:767px){
  .mile{grid-template-columns:1fr;gap:0;}
  .mile::before{left:8px;right:auto;top:6px;bottom:6px;width:2px;height:auto;background:linear-gradient(180deg,rgba(230,84,110,.4),rgba(247,178,103,.5));}
  .mile-node{padding:0 0 26px 34px;}
  .mile-node .dot{top:6px;}
}
/* ============ 资讯区 ============ */
.news-wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:26px;}
.news-lead{
  background:#fff;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;transition:all .18s ease;
}
.news-lead:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.news-lead img{width:100%;height:250px;object-fit:cover;}
.news-lead .nl-body{padding:22px 22px 24px;}
.news-lead h3{font-size:21px;line-height:1.5;margin:12px 0 10px;}
.news-lead h3 a{color:var(--plum);}
.news-lead h3 a:hover{color:var(--rose-dark);}
.news-lead p{font-size:14px;line-height:1.75;color:var(--ink-2);margin-bottom:16px;}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);}
.news-list{background:#fff;border-radius:var(--r-card);padding:8px 22px;box-shadow:var(--sh-1);}
.news-item{padding:16px 12px;border-bottom:1px dashed var(--line);transition:background .18s ease;border-radius:8px;}
.news-item:last-child{border-bottom:none;}
.news-item:hover{background:#FFF8F4;}
.news-item h4{font-size:15.5px;line-height:1.55;margin-bottom:6px;font-weight:600;}
.news-item h4 a{color:var(--plum);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item h4 a:hover{color:var(--rose-dark);text-decoration:underline;text-underline-offset:3px;}
.news-item .meta-line{font-size:12.5px;}
.empty-state{
  background:var(--cream-2);border-radius:var(--r-card);padding:44px 24px;text-align:center;
}
.empty-state p{color:var(--ink-2);font-size:14.5px;margin-bottom:16px;}
@media(max-width:991px){.news-wrap{grid-template-columns:1fr;}}
@media(max-width:575px){.news-lead img{height:190px;}.news-list{padding:4px 16px;}}
/* ============ 分类入口 ============ */
.entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.entry-card{
  display:block;background:#fff;border-radius:var(--r-card);padding:22px 20px;
  box-shadow:var(--sh-1);border:1px solid transparent;transition:all .18s ease;
  -webkit-tap-highlight-color:transparent;
}
.entry-card:hover{transform:translateY(-3px);border-color:var(--rose);box-shadow:var(--sh-2);}
.entry-card .ec-ico{
  width:40px;height:40px;border-radius:12px;background:var(--apricot-soft);color:#9A6A28;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;margin-bottom:14px;
}
.entry-card h3{font-size:16.5px;margin-bottom:6px;color:var(--plum);}
.entry-card p{font-size:13px;line-height:1.7;color:var(--ink-2);margin:0;}
@media(max-width:991px){.entry-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:575px){.entry-grid{grid-template-columns:1fr;}}
/* ============ 深色保障 ============ */
.dark-sec{background:var(--plum);padding-top:72px;padding-bottom:80px;}
.dark-sec .sec-head h2{color:#fff;}
.dark-sec .sec-head h2::after{background:var(--apricot);}
.dark-sec .sec-head p{color:#E6D8E0;}
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.guard-item{padding:22px 20px;border-radius:var(--r-card);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);transition:all .18s ease;}
.guard-item:hover{background:rgba(255,255,255,.09);transform:translateY(-2px);}
.guard-item .gi-ico{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(46,168,142,.55);
  color:#5FD1B7;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;margin-bottom:14px;
}
.guard-item h3{color:#fff;font-size:16.5px;margin-bottom:8px;}
.guard-item p{color:#E6D8E0;font-size:13px;line-height:1.75;margin:0;}
@media(max-width:991px){.guard-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:575px){.guard-grid{grid-template-columns:1fr;}}
/* ============ 安全指南 ============ */
.safety-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.safety-card{background:#fff;border-radius:var(--r-card);padding:24px 22px;box-shadow:var(--sh-1);transition:all .18s ease;}
.safety-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.safety-card h3{font-size:17px;margin-bottom:10px;}
.safety-card p{font-size:13.5px;line-height:1.8;color:var(--ink-2);margin-bottom:14px;}
@media(max-width:991px){.safety-grid{grid-template-columns:1fr;}}
/* ============ 快速解答 ============ */
.qa-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.qa-item{background:#fff;border-radius:var(--r-card);padding:22px 22px 22px 22px;box-shadow:var(--sh-1);}
.qa-item h3{font-size:16px;line-height:1.55;margin-bottom:10px;display:flex;gap:10px;align-items:flex-start;}
.qa-item h3 .q{
  flex:0 0 auto;color:var(--rose);font-weight:700;
}
.qa-item p{font-size:13.5px;line-height:1.8;color:var(--ink-2);margin:0;padding-left:24px;}
@media(max-width:767px){.qa-grid{grid-template-columns:1fr;}}
/* ============ FAQ ============ */
.faq-wrap{max-width:860px;}
.faq-wrap .accordion-item{
  border:none;background:#fff;border-radius:var(--r-card);margin-bottom:12px;
  overflow:hidden;box-shadow:var(--sh-1);transition:all .18s ease;
}
.faq-wrap .accordion-item:hover{box-shadow:var(--sh-2);}
.faq-wrap .accordion-button{
  background:#fff;color:var(--plum);font-weight:600;font-size:15.5px;
  padding:18px 54px 18px 20px;border:none;box-shadow:none;border-radius:var(--r-card);
  position:relative;line-height:1.6;
}
.faq-wrap .accordion-button:not(.collapsed){background:#FFF8F4;color:var(--rose-dark);}
.faq-wrap .accordion-button:focus{box-shadow:none;outline:none;}
.faq-wrap .accordion-button:focus-visible{box-shadow:inset 0 0 0 2px rgba(230,84,110,.5);}
.faq-wrap .accordion-button::after{
  content:"";position:absolute;right:20px;top:50%;width:14px;height:14px;
  transform:translateY(-50%) rotate(0deg);transition:transform .18s ease;
  background:none;border-right:2px solid var(--rose);border-bottom:2px solid var(--rose);
  border-radius:0;margin:0;
}
.faq-wrap .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(-135deg);}
.faq-wrap .accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;
  background:var(--rose);opacity:0;transition:opacity .18s ease;
}
.faq-wrap .accordion-button:not(.collapsed)::before{opacity:1;}
.faq-wrap .accordion-body{padding:0 22px 20px;font-size:14px;line-height:1.85;color:var(--ink-2);}
/* ============ 下载区 ============ */
.dl-band{
  background:linear-gradient(135deg,#FCE9D3 0%,#FBE2D8 100%);
  border-radius:24px;padding:34px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.dl-band h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:8px;}
.dl-band p{font-size:14px;color:var(--ink-2);margin:0;max-width:440px;}
.dl-actions{display:flex;flex-wrap:wrap;gap:10px;}
.dl-actions .btn-r{min-width:150px;}
.dl-note{width:100%;font-size:12.5px;color:var(--ink-3);margin-top:4px;}
@media(max-width:767px){
  .dl-band{padding:26px 20px;flex-direction:column;align-items:stretch;gap:18px;}
  .dl-actions{flex-direction:column;}
  .dl-actions .btn-r{width:100%;}
}
/* ============ 表单 ============ */
.form-panel{display:grid;grid-template-columns:1fr 1.05fr;gap:32px;align-items:start;}
.form-panel .fp-left h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:14px;}
.form-panel .fp-left p{font-size:14.5px;color:var(--ink-2);line-height:1.85;}
.fp-checks{display:flex;flex-direction:column;gap:10px;margin-top:20px;}
.fp-checks li{display:flex;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.7;}
.fp-checks .ck{
  flex:0 0 auto;width:20px;height:20px;border-radius:6px;background:var(--teal-soft);
  color:var(--teal);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-top:3px;
}
.form-card{background:#fff;border-radius:var(--r-card);padding:28px 26px;box-shadow:var(--sh-1);}
.form-card .fc-row{margin-bottom:18px;}
.form-card label{display:block;font-size:14px;font-weight:700;color:var(--plum);margin-bottom:8px;}
.form-card .form-control,.form-card .form-select{
  height:48px;border-radius:var(--r-input);border:1px solid var(--line);
  font-size:14.5px;color:var(--ink);background-color:#fff;box-shadow:none;
  transition:all .18s ease;padding:0 14px;
}
.form-card .form-control::placeholder{color:var(--ink-3);}
.form-card .form-control:focus,.form-card .form-select:focus{
  border-color:var(--rose);box-shadow:0 0 0 3px rgba(230,84,110,.16);outline:none;
}
.form-card .form-select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23C13C57'%3E%3Cpath d='M8 11.5 2.5 6h11z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:12px;
  padding-right:36px;
}
.chip-group{display:flex;flex-wrap:wrap;gap:8px;}
.chip-check{position:relative;}
.chip-check input{position:absolute;opacity:0;width:0;height:0;}
.chip-check span{
  display:inline-flex;align-items:center;padding:9px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--plum);font-size:13.5px;font-weight:600;
  cursor:pointer;transition:all .18s ease;min-height:40px;
}
.chip-check span:hover{border-color:var(--rose);color:var(--rose-dark);}
.chip-check input:checked + span{background:var(--rose);border-color:var(--rose);color:#fff;}
.chip-check input:focus-visible + span{box-shadow:0 0 0 3px rgba(230,84,110,.3);}
.form-tip{font-size:12.5px;color:var(--ink-3);line-height:1.7;margin-top:12px;}
.form-msg{display:none;margin-top:14px;font-size:13.5px;color:var(--teal);background:var(--teal-soft);border-radius:10px;padding:10px 14px;}
.form-msg.show{display:block;}
@media(max-width:991px){.form-panel{grid-template-columns:1fr;gap:26px;}}
/* ============ 结尾CTA ============ */
.cta-strip{background:var(--plum);padding:0;}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:32px 0;margin-bottom:0;
}
.cta-inner h2{color:#fff;font-size:clamp(18px,2vw,23px);margin:0;line-height:1.5;}
.cta-inner h2::after{display:none;}
.cta-actions{display:flex;gap:10px;flex-wrap:wrap;}
@media(max-width:767px){
  .cta-inner{flex-direction:column;align-items:stretch;}
  .cta-actions .btn-r{width:100%;}
}
/* ============ 页脚 ============ */
.site-footer{background:var(--plum);color:#D8C9D2;padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.f-brand .brand-mark{width:36px;height:36px;border-radius:10px;}
.f-brand strong{color:#fff;font-size:16px;font-weight:700;}
.site-footer p{font-size:13.5px;line-height:1.8;color:#C9B7C3;margin:0;}
.site-footer h4{color:#fff;font-size:14.5px;margin-bottom:14px;font-weight:700;letter-spacing:.02em;}
.f-links{display:flex;flex-direction:column;gap:9px;}
.f-links a{color:#D8C9D2;font-size:13.5px;transition:color .18s ease;}
.f-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.f-tips li{font-size:13px;line-height:1.75;color:#C9B7C3;margin-bottom:9px;display:flex;gap:8px;}
.f-tips .dot{color:var(--apricot);font-weight:700;}
.f-dl{display:flex;flex-direction:column;gap:10px;}
.f-dl a{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid rgba(255,255,255,.22);border-radius:var(--r-pill);
  padding:11px 16px;font-size:13.5px;color:#fff;font-weight:600;transition:all .18s ease;min-height:44px;
}
.f-dl a:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff;}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:#A3919D;
}
@media(max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media(max-width:575px){
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .site-footer{padding-top:44px;}
}

/* roulang page: article */
:root{
  --rose:#E6546E;
  --rose-dark:#C13C57;
  --rose-soft:rgba(230,84,110,.08);
  --plum:#3B2233;
  --apricot:#F7B267;
  --apricot-soft:rgba(247,178,103,.12);
  --teal:#2EA88E;
  --teal-soft:rgba(46,168,142,.12);
  --cream:#FBF6F2;
  --cream-2:#F5EDE7;
  --white:#FFFFFF;
  --ink:#2A1F26;
  --ink-2:#6E5C66;
  --ink-3:#9A8A94;
  --line:#EADFD8;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 2px 10px rgba(59,34,51,.06);
  --sh-2:0 12px 30px rgba(59,34,51,.13);
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-primary:#E6546E;
  --bs-body-font-family:var(--font);
  --bs-body-color:#2A1F26;
  --bs-body-bg:#FBF6F2;
  --bs-border-color:#EADFD8;
  --bs-link-color:#C13C57;
  --bs-link-hover-color:#E6546E;
  --bs-border-radius:16px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--cream);
  overflow-x:hidden;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--rose-dark);text-decoration:none;transition:color .18s ease,background .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;}
a:hover{color:var(--rose);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--plum);letter-spacing:-.2px;}
p{margin:0 0 1em;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto;width:100%;}
@media(min-width:768px){.container{padding-left:24px;padding-right:24px;}}
.row{--bs-gutter-x:24px;--bs-gutter-y:24px;}
section{padding:56px 0;}
@media(min-width:992px){section{padding:88px 0;}}
.sec-head{margin-bottom:28px;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;color:var(--rose-dark);
  background:var(--rose-soft);border-radius:8px;padding:4px 10px;margin-bottom:14px;font-weight:600;
}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;}
.sec-head h2::after{content:"";display:block;width:40px;height:3px;border-radius:2px;background:var(--rose);margin-top:10px;}
.sec-head p{font-size:14.5px;color:var(--ink-2);margin:14px 0 0;max-width:640px;}
/* ===== 按钮 ===== */
.btn-r{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;border-radius:var(--r-pill);
  padding:13px 28px;font-size:15px;font-weight:600;line-height:1.2;
  background:var(--rose);color:#fff;cursor:pointer;
  transition:all .18s ease;text-align:center;min-height:48px;
  -webkit-tap-highlight-color:transparent;
}
.btn-r:hover{background:var(--rose-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(230,84,110,.28);}
.btn-r:active{transform:translateY(1px);filter:brightness(.94);}
.btn-r:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(230,84,110,.35);}
.btn-r.ghost{background:#fff;color:var(--plum);border:1px solid var(--line);box-shadow:var(--sh-1);}
.btn-r.ghost:hover{border-color:var(--rose);color:var(--rose);background:#fff;}
.btn-r.sm{padding:10px 20px;font-size:14px;min-height:44px;}
/* ===== 头部 / 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(251,246,242,.92);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.brand-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;height:56px;}
@media(min-width:992px){.brand-bar{height:68px;gap:16px;}}
.brand{display:flex;align-items:center;gap:10px;min-width:0;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--rose) 0%,var(--rose-dark) 100%);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(230,84,110,.28);position:relative;
}
@media(min-width:992px){.brand-mark{width:38px;height:38px;border-radius:11px;}}
.brand-mark svg{width:20px;height:20px;fill:#fff;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0;}
.brand-text strong{font-size:14.5px;color:var(--plum);font-weight:700;white-space:nowrap;letter-spacing:-.2px;}
@media(min-width:992px){.brand-text strong{font-size:16.5px;}}
.brand-text span{font-size:11.5px;color:var(--ink-3);letter-spacing:.08em;display:none;}
@media(min-width:992px){.brand-text span{display:block;}}
.head-dl{display:inline-flex;align-items:center;gap:8px;flex:0 0 auto;padding:9px 16px;min-height:40px;font-size:13.5px;}
@media(min-width:992px){.head-dl{padding:11px 24px;min-height:44px;font-size:14.5px;}}
.head-dl .ico{font-size:15px;}
.chip-row{
  display:flex;flex-wrap:nowrap;overflow-x:auto;gap:8px;
  padding:0 20px 10px;
  scrollbar-width:none;-ms-overflow-style:none;
  -webkit-overflow-scrolling:touch;
  position:relative;
}
@media(min-width:768px){.chip-row{padding:0 24px 12px;}}
.chip-row::-webkit-scrollbar{display:none;}
.chip-row::after{
  content:"";position:absolute;top:0;right:0;width:24px;height:100%;
  background:linear-gradient(90deg,rgba(251,246,242,0),rgba(251,246,242,.95));
  pointer-events:none;
}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;
  padding:7px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--plum);
  font-size:13px;font-weight:600;white-space:nowrap;
  transition:all .18s ease;min-height:34px;
}
@media(min-width:992px){.chip{padding:8px 16px;font-size:13.5px;min-height:36px;}}
.chip:hover{border-color:var(--rose);color:var(--rose-dark);transform:translateY(-1px);}
.chip.active{background:var(--rose);border-color:var(--rose);color:#fff;box-shadow:0 6px 14px rgba(230,84,110,.24);}
.chip:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(230,84,110,.3);}
/* ===== 文章头部 ===== */
.art-head-sec{
  padding:26px 0 32px;
  background:linear-gradient(165deg,#FBF6F2 0%,#F7EDE4 58%,rgba(247,178,103,.22) 100%);
  border-bottom:1px solid var(--line);
  position:relative;overflow:hidden;
}
@media(min-width:992px){.art-head-sec{padding:34px 0 40px;}}
.art-head-sec::after{
  content:"";position:absolute;right:-110px;bottom:-150px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(247,178,103,.30),rgba(247,178,103,0) 70%);
  pointer-events:none;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:18px;position:relative;z-index:1;}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--rose);}
.crumb .sep{color:#CBB9C2;}
.crumb-cur{color:var(--ink-2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.tag-chip{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:8px;font-size:12px;font-weight:600;
  background:rgba(247,178,103,.20);color:#9A6A28;
}
.art-head{position:relative;z-index:1;}
.art-head h1{
  font-size:clamp(25px,3.4vw,38px);
  line-height:1.3;font-weight:700;color:var(--plum);
  margin:14px 0 16px;max-width:820px;letter-spacing:-.4px;
  word-break:break-word;
}
.art-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);}
.art-meta .dot-sep{color:#CBB9C2;}
/* ===== 正文布局 ===== */
.art-body-sec{padding:40px 0 56px;}
@media(min-width:992px){.art-body-sec{padding:56px 0 72px;}}
.art-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;align-items:start;}
@media(min-width:992px){.art-layout{grid-template-columns:minmax(0,1fr) 300px;gap:48px;}}
.art-main{min-width:0;}
.article-body{max-width:720px;font-size:16px;line-height:1.85;color:var(--ink);word-break:break-word;}
.article-body h2{
  font-size:clamp(20px,2.2vw,25px);line-height:1.4;
  margin:40px 0 16px;padding-bottom:10px;position:relative;
}
.article-body h2::after{content:"";position:absolute;left:0;bottom:0;width:40px;height:3px;border-radius:2px;background:var(--rose);}
.article-body h3{font-size:19px;line-height:1.45;margin:28px 0 12px;}
.article-body h4{font-size:16.5px;line-height:1.5;margin:22px 0 10px;}
.article-body p{margin:0 0 1.1em;}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.4em;}
.article-body ul{list-style:none;padding-left:1.4em;}
.article-body ul li{position:relative;margin-bottom:8px;}
.article-body ul li::before{
  content:"";position:absolute;left:-1.1em;top:.72em;
  width:6px;height:6px;border-radius:50%;background:var(--rose);
}
.article-body ol li{margin-bottom:8px;}
.article-body blockquote{
  margin:22px 0;padding:14px 18px;
  border-left:3px solid var(--rose);
  background:var(--apricot-soft);
  border-radius:0 12px 12px 0;
  color:var(--ink-2);font-size:15px;line-height:1.8;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{color:var(--rose-dark);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--rose);}
.article-body img{border-radius:var(--r-img);margin:12px auto;max-width:100%;height:auto;}
.article-body figure{margin:20px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;margin:18px 0;background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--sh-1);}
.article-body table th,.article-body table td{padding:11px 14px;font-size:14.5px;border-bottom:1px solid var(--line);text-align:left;}
.article-body table tr:last-child td{border-bottom:none;}
.article-body table th{background:var(--cream-2);color:var(--plum);font-weight:600;}
.article-body hr{border:none;border-top:1px dashed var(--line);margin:28px 0;}
.edit-note{
  margin-top:34px;max-width:720px;
  background:var(--cream-2);border-radius:12px;
  padding:12px 16px;font-size:13px;line-height:1.75;color:var(--ink-3);
}
.empty-state{
  background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:48px 24px;text-align:center;max-width:720px;
}
.empty-state p{font-size:16px;color:var(--ink-2);margin-bottom:18px;}
/* ===== 侧栏 ===== */
.art-side{display:flex;flex-direction:column;gap:20px;min-width:0;}
@media(min-width:992px){.art-side{position:sticky;top:120px;}}
.side-card{background:#fff;border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);}
.side-card h3{font-size:16px;line-height:1.45;margin-bottom:10px;}
.side-card p{font-size:13.5px;line-height:1.75;color:var(--ink-2);margin:0 0 14px;}
.side-dl{display:flex;flex-direction:column;gap:10px;}
.side-dl a{
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:12px;
  padding:11px 14px;font-size:14px;font-weight:600;color:var(--plum);
  min-height:44px;background:#fff;
}
.side-dl a:hover{border-color:var(--rose);color:var(--rose-dark);background:#FFF8F4;transform:translateY(-1px);}
.side-tips{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.side-tips li{position:relative;padding-left:16px;font-size:13.5px;line-height:1.75;color:var(--ink-2);}
.side-tips li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--teal);}
/* ===== 安全提示板块 ===== */
.safety-sec{padding:56px 0;background:var(--cream-2);}
@media(min-width:992px){.safety-sec{padding:72px 0;}}
.safety-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:768px){.safety-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.s-card{background:#fff;border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);transition:all .2s ease;}
.s-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.s-card .s-ico{
  width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:var(--teal-soft);color:var(--teal);margin-bottom:12px;
}
.s-card .s-ico svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.s-card h3{font-size:17px;line-height:1.45;margin-bottom:8px;}
.s-card p{font-size:14px;line-height:1.75;color:var(--ink-2);margin:0;}
/* ===== 相关推荐 ===== */
.rel-sec{padding:56px 0;}
@media(min-width:992px){.rel-sec{padding:72px 0;}}
.rel-empty{background:#fff;border-radius:var(--r-card);padding:44px 24px;text-align:center;box-shadow:var(--sh-1);}
.rel-empty p{font-size:14.5px;color:var(--ink-3);margin:0 0 18px;}
/* ===== 返回入口 ===== */
.back-sec{padding:0 0 56px;}
@media(min-width:992px){.back-sec{padding:0 0 72px;}}
.back-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:768px){.back-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
.back-card{
  display:block;background:#fff;border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);border:1px solid transparent;
  transition:all .2s ease;
}
.back-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--rose);}
.back-k{display:block;font-size:12.5px;color:var(--ink-3);margin-bottom:6px;}
.back-t{display:block;font-size:16px;font-weight:600;color:var(--plum);line-height:1.5;}
/* ===== 下载区 ===== */
.dl-sec{padding:0 0 64px;}
.dl-band{
  background:linear-gradient(120deg,rgba(247,178,103,.28),rgba(247,178,103,.12));
  border:1px solid rgba(247,178,103,.42);
  border-radius:24px;padding:26px 22px;
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap;
}
@media(min-width:992px){.dl-band{padding:34px 36px;}}
.dl-left{min-width:0;}
.dl-left h2{font-size:clamp(19px,2.3vw,25px);line-height:1.35;margin-bottom:8px;}
.dl-left p{font-size:14px;color:var(--ink-2);margin:0;}
.dl-actions{display:flex;gap:12px;flex-wrap:wrap;width:100%;}
@media(min-width:992px){.dl-actions{width:auto;flex-wrap:nowrap;}}
.dl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:12px 22px;font-size:14.5px;font-weight:600;color:var(--plum);
  min-height:48px;box-shadow:var(--sh-1);
  transition:all .18s ease;flex:1 1 auto;
}
.dl-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto;}
.dl-btn:hover{border-color:var(--rose);color:var(--rose-dark);transform:translateY(-2px);box-shadow:var(--sh-2);}
.dl-btn:active{transform:translateY(1px);filter:brightness(.96);}
.dl-btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(230,84,110,.32);}
@media(max-width:575px){.dl-btn{flex:1 1 100%;width:100%;}}
.dl-note{margin:14px 0 0;font-size:13px;color:var(--ink-3);text-align:center;}
/* ===== 页脚 ===== */
.site-footer{background:var(--plum);color:#E6D8E0;padding:52px 0 0;margin-top:0;}
@media(min-width:992px){.site-footer{padding:64px 0 0;}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:36px;}
@media(min-width:576px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:992px){.footer-grid{grid-template-columns:1.5fr 1fr 1.2fr 1fr;gap:36px;}}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:14px;font-weight:700;}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.f-brand strong{color:#fff;font-size:16px;font-weight:700;letter-spacing:-.2px;}
.f-brand .brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(140deg,var(--rose),var(--rose-dark));display:flex;align-items:center;justify-content:center;flex:0 0 auto;}
.f-brand .brand-mark svg{width:18px;height:18px;fill:#fff;}
.site-footer p{font-size:13.5px;line-height:1.8;color:#D8C9D2;margin:0;max-width:300px;}
.f-links{display:flex;flex-direction:column;gap:10px;}
.f-links a{color:#D8C9D2;font-size:14px;display:inline-block;}
.f-links a:hover{color:#fff;transform:translateX(2px);}
.f-tips{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.f-tips li{display:flex;gap:6px;font-size:13.5px;line-height:1.75;color:#D8C9D2;}
.f-tips .dot{color:var(--apricot);}
.f-dl{display:flex;flex-direction:column;gap:10px;}
.f-dl a{
  color:#D8C9D2;font-size:13.5px;
  border:1px solid rgba(255,255,255,.18);border-radius:10px;
  padding:9px 14px;text-align:center;min-height:42px;
  display:flex;align-items:center;justify-content:center;
  transition:all .18s ease;
}
.f-dl a:hover{color:#fff;border-color:var(--rose);background:rgba(230,84,110,.18);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 22px;
  display:flex;justify-content:space-between;align-items:center;
  gap:12px;flex-wrap:wrap;font-size:12.5px;color:#B9A6B3;line-height:1.7;
}
/* ===== 可访问性 & 动效 ===== */
a:focus-visible,button:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(230,84,110,.35);border-radius:8px;}
@media(prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --rose:#E6546E;
  --rose-dark:#C13C57;
  --rose-soft:rgba(230,84,110,.08);
  --plum:#3B2233;
  --apricot:#F7B267;
  --apricot-soft:rgba(247,178,103,.12);
  --teal:#2EA88E;
  --teal-soft:rgba(46,168,142,.12);
  --cream:#FBF6F2;
  --cream-2:#F5EDE7;
  --white:#FFFFFF;
  --ink:#2A1F26;
  --ink-2:#6E5C66;
  --ink-3:#9A8A94;
  --line:#EADFD8;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 2px 10px rgba(59,34,51,.06);
  --sh-2:0 12px 30px rgba(59,34,51,.13);
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-primary:#E6546E;
  --bs-body-font-family:var(--font);
  --bs-body-color:#2A1F26;
  --bs-body-bg:#FBF6F2;
  --bs-border-color:#EADFD8;
  --bs-link-color:#C13C57;
  --bs-link-hover-color:#E6546E;
  --bs-border-radius:16px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--cream);
  overflow-x:hidden;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--rose-dark);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--rose);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{padding-left:1.15em;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto;}
.row{--bs-gutter-x:24px;--bs-gutter-y:24px;}
section{padding:56px 0;}
.sec-alt{background:var(--cream-2);}
.sec-head{max-width:680px;margin-bottom:32px;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;color:var(--rose-dark);
  background:var(--rose-soft);border-radius:8px;padding:4px 10px;margin-bottom:14px;font-weight:600;
}
h2.sec-title{
  font-size:clamp(23px,2.6vw,34px);line-height:1.3;font-weight:700;color:var(--plum);
  letter-spacing:-.3px;position:relative;padding-bottom:14px;
}
h2.sec-title::after{
  content:"";position:absolute;left:0;bottom:0;width:40px;height:3px;border-radius:2px;
  background:var(--rose);
}
.sec-desc{color:var(--ink-2);font-size:15.5px;line-height:1.85;margin-top:14px;max-width:640px;}
/* ============ 按钮 ============ */
.btn-r{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;border-radius:var(--r-pill);
  padding:13px 28px;font-size:15px;font-weight:600;line-height:1.2;
  background:var(--rose);color:#fff;cursor:pointer;
  transition:all .18s ease;text-align:center;min-height:48px;
  -webkit-tap-highlight-color:transparent;
}
.btn-r:hover{background:var(--rose-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(230,84,110,.28);}
.btn-r:active{transform:translateY(1px);filter:brightness(.94);}
.btn-r:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(230,84,110,.35);}
.btn-r.ghost{background:#fff;color:var(--plum);border:1px solid var(--line);box-shadow:var(--sh-1);}
.btn-r.ghost:hover{border-color:var(--rose);color:var(--rose);background:#fff;}
.btn-r.sm{padding:10px 20px;font-size:14px;min-height:44px;}
.btn-link-r{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14.5px;color:var(--rose-dark);}
.btn-link-r:hover{color:var(--rose);text-decoration:underline;text-underline-offset:3px;}
/* ============ 头部 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(251,246,242,.92);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.brand-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:56px;}
.brand{display:flex;align-items:center;gap:10px;min-width:0;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--rose) 0%,var(--rose-dark) 100%);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(230,84,110,.28);position:relative;
}
.brand-mark svg{width:18px;height:18px;fill:#fff;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0;}
.brand-text strong{font-size:14.5px;color:var(--plum);font-weight:700;white-space:nowrap;letter-spacing:-.2px;}
.brand-text span{font-size:11.5px;color:var(--ink-3);letter-spacing:.08em;}
.brand-bar .head-dl{display:inline-flex;align-items:center;gap:8px;flex:0 0 auto;padding:9px 16px;min-height:40px;font-size:13.5px;}
.brand-bar .head-dl .ico{font-size:15px;}
.chip-row{
  display:flex;flex-wrap:nowrap;overflow-x:auto;gap:8px;
  padding:0 20px 10px;
  scrollbar-width:none;-ms-overflow-style:none;
  -webkit-overflow-scrolling:touch;
  position:relative;
}
.chip-row::-webkit-scrollbar{display:none;}
.chip-row::after{
  content:"";position:absolute;top:0;right:0;width:24px;height:100%;
  background:linear-gradient(90deg,rgba(251,246,242,0),rgba(251,246,242,.95));
  pointer-events:none;
}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;
  padding:7px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--plum);
  font-size:13px;font-weight:600;white-space:nowrap;
  transition:all .18s ease;min-height:34px;
}
.chip:hover{border-color:var(--rose);color:var(--rose-dark);transform:translateY(-1px);}
.chip.active{background:var(--rose);border-color:var(--rose);color:#fff;box-shadow:0 6px 14px rgba(230,84,110,.24);}
.chip:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(230,84,110,.3);}
@media (min-width:992px){
  .brand-bar{height:68px;gap:16px;}
  .brand-mark{width:38px;height:38px;border-radius:11px;}
  .brand-mark svg{width:20px;height:20px;}
  .brand-text strong{font-size:16.5px;}
  .brand-text span{display:block;}
  .brand-bar .head-dl{min-height:44px;font-size:14px;padding:10px 20px;}
  .chip-row{padding:0 24px 12px;}
  .chip{padding:8px 16px;font-size:13.5px;min-height:36px;}
}
/* ============ 分类页头 ============ */
.cat-head{
  position:relative;overflow:hidden;
  padding:36px 0 40px;
  background:linear-gradient(160deg,rgba(251,246,242,.96) 0%,rgba(251,246,242,.88) 52%,rgba(247,178,103,.28) 100%);
  border-bottom:1px solid var(--line);
}
.cat-head::after{
  content:"";position:absolute;left:-120px;bottom:-180px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(247,178,103,.34),rgba(247,178,103,0) 70%);
  pointer-events:none;
}
.cat-head .container{position:relative;z-index:1;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:16px;}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--rose-dark);}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--ink-2);}
.cat-head h1{
  font-size:clamp(26px,3.6vw,40px);line-height:1.28;font-weight:700;color:var(--plum);
  letter-spacing:-.5px;max-width:780px;
}
.cat-lead{
  margin-top:16px;max-width:660px;color:var(--ink-2);font-size:15.5px;line-height:1.9;
  border-left:3px solid var(--rose);padding-left:14px;
}
.cat-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;}
.tag{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:8px;
  background:var(--apricot-soft);color:#9A6A28;font-size:12px;font-weight:600;line-height:1.6;
}
.tag.safe{background:var(--teal-soft);color:#1F7C68;}
/* ============ 筛选条 ============ */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 0 4px;
}
.filter-chips{display:flex;flex-wrap:wrap;gap:8px;}
.fchip{
  border:1px solid var(--line);background:#fff;color:var(--plum);
  border-radius:var(--r-pill);padding:8px 16px;font-size:13.5px;font-weight:600;
  cursor:pointer;transition:all .18s ease;min-height:38px;
}
.fchip:hover{border-color:var(--rose);color:var(--rose-dark);}
.fchip:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(230,84,110,.3);}
.fchip.active{background:var(--rose);border-color:var(--rose);color:#fff;}
.filter-note{font-size:13px;color:var(--ink-3);}
/* ============ 文章卡片 ============ */
.post-card{
  height:100%;display:flex;flex-direction:column;
  background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:14px;transition:all .18s ease;
  -webkit-tap-highlight-color:transparent;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.post-thumb{display:block;border-radius:var(--r-img);overflow:hidden;background:var(--cream-2);}
.post-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .22s ease;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:16px 6px 6px;display:flex;flex-direction:column;flex:1 1 auto;}
.post-body .tag{margin-bottom:10px;align-self:flex-start;}
.post-title{font-size:18px;line-height:1.5;font-weight:700;color:var(--plum);}
.post-title a{color:inherit;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card:hover .post-title a{color:var(--rose);}
.post-desc{
  margin-top:10px;font-size:14px;line-height:1.75;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--ink-3);
}
.post-foot a{font-weight:600;color:var(--rose-dark);font-size:13.5px;}
.post-foot a:hover{color:var(--rose);text-decoration:underline;text-underline-offset:3px;}
.list-more{display:flex;justify-content:center;margin-top:36px;}
.empty-state{
  background:var(--cream-2);border-radius:var(--r-card);padding:44px 24px;text-align:center;
}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:18px;}
/* ============ 入门三步 ============ */
.steps{display:grid;grid-template-columns:1fr;gap:16px;}
.step{
  position:relative;background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:22px 20px;transition:all .18s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.step .num{
  font-size:30px;font-weight:700;line-height:1;color:var(--apricot);letter-spacing:-1px;
  display:block;margin-bottom:10px;
}
.step h3{font-size:17px;font-weight:700;color:var(--plum);margin-bottom:8px;}
.step p{font-size:14px;line-height:1.8;color:var(--ink-2);}
@media (min-width:768px){
  .steps{grid-template-columns:repeat(3,1fr);gap:24px;}
}
/* ============ 要点卡 ============ */
.tip-card{
  height:100%;background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:22px 20px;transition:all .18s ease;border-top:3px solid var(--apricot);
}
.tip-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.tip-card h3{font-size:16.5px;font-weight:700;color:var(--plum);margin-bottom:8px;display:flex;align-items:center;gap:8px;}
.tip-card h3 .dot{width:8px;height:8px;border-radius:50%;background:var(--rose);flex:0 0 auto;}
.tip-card p{font-size:14px;line-height:1.8;color:var(--ink-2);}
/* ============ 误区 ============ */
.mistake{
  background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:20px 22px;border-left:3px solid var(--rose);
}
.mistake + .mistake{margin-top:14px;}
.mistake h3{font-size:16.5px;font-weight:700;color:var(--plum);margin-bottom:6px;}
.mistake p{font-size:14.5px;line-height:1.8;color:var(--ink-2);}
/* ============ 热门文章列表 ============ */
.hot-list{display:grid;grid-template-columns:1fr;gap:0;}
.hot-item{
  display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
  padding:16px 12px;border-bottom:1px dashed var(--line);
  transition:background .18s ease;
}
.hot-item:first-child{border-top:1px dashed var(--line);}
.hot-item:hover{background:#FFF8F4;}
.hot-item a{font-size:15px;font-weight:600;color:var(--plum);line-height:1.6;}
.hot-item a:hover{color:var(--rose);text-decoration:underline;text-underline-offset:3px;}
.hot-item time{font-size:13px;color:var(--ink-3);flex:0 0 auto;padding-top:2px;}
.muted{font-size:14px;color:var(--ink-3);padding:18px 12px;}
@media (min-width:768px){
  .hot-list{grid-template-columns:1fr 1fr;column-gap:32px;}
  .hot-item:nth-child(2){border-top:1px dashed var(--line);}
}
/* ============ FAQ ============ */
.faq-wrap{max-width:860px;}
.accordion-r .accordion-item{
  border:none;background:transparent;margin-bottom:12px;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);
}
.accordion-r .accordion-button{
  background:#fff;color:var(--plum);font-weight:700;font-size:15.5px;line-height:1.6;
  padding:18px 52px 18px 20px;border-radius:var(--r-card);box-shadow:none;
  border-left:3px solid transparent;transition:all .18s ease;
}
.accordion-r .accordion-button:not(.collapsed){
  background:#FFF8F4;color:var(--rose-dark);border-left-color:var(--rose);box-shadow:none;
}
.accordion-r .accordion-button:hover{background:#FFF8F4;}
.accordion-r .accordion-button:focus{box-shadow:none;border-color:var(--line);outline:none;}
.accordion-r .accordion-button::after{
  background-image:none;content:"+";font-size:20px;font-weight:600;line-height:1;
  width:22px;height:22px;display:flex;align-items:center;justify-content:center;
  color:var(--rose);transition:transform .18s ease;transform:none;
}
.accordion-r .accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg);}
.accordion-r .accordion-body{
  background:#fff;padding:0 20px 20px;font-size:14.5px;line-height:1.85;color:var(--ink-2);
}
/* ============ 下载区 ============ */
.dl-band{
  background:linear-gradient(135deg,rgba(247,178,103,.28),rgba(247,178,103,.14));
  border-radius:24px;padding:28px 22px;
  display:flex;flex-direction:column;gap:22px;
}
.dl-copy h2{font-size:clamp(20px,2.2vw,26px);line-height:1.35;color:var(--plum);font-weight:700;letter-spacing:-.3px;}
.dl-copy p{margin-top:8px;font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.dl-actions{display:flex;flex-direction:column;gap:12px;}
.dl-actions .btn-r{width:100%;}
.dl-note{margin-top:16px;font-size:13px;color:var(--ink-3);}
.page-note{margin-top:8px;font-size:13px;color:var(--ink-3);line-height:1.75;}
@media (min-width:768px){
  .dl-band{flex-direction:row;align-items:center;justify-content:space-between;padding:34px 32px;}
  .dl-actions{flex-direction:row;gap:12px;}
  .dl-actions .btn-r{width:auto;min-width:148px;}
}
/* ============ 页脚 ============ */
.site-footer{background:var(--plum);color:#E6D8E0;padding:52px 0 0;margin-top:48px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:28px;}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.f-brand .brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(140deg,var(--rose),var(--rose-dark));display:flex;align-items:center;justify-content:center;box-shadow:none;}
.f-brand .brand-mark svg{width:18px;height:18px;fill:#fff;}
.f-brand strong{color:#fff;font-size:16px;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:14px;font-weight:700;}
.site-footer p{color:#D8C9D2;font-size:14px;line-height:1.8;}
.f-links{display:flex;flex-direction:column;gap:10px;}
.f-links a{color:#D8C9D2;font-size:14px;}
.f-links a:hover{color:#fff;}
.f-tips{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.f-tips li{display:flex;gap:8px;color:#D8C9D2;font-size:14px;line-height:1.7;}
.f-tips .dot{color:var(--apricot);}
.f-dl{display:flex;flex-direction:column;gap:10px;}
.f-dl a{color:#D8C9D2;font-size:14px;}
.f-dl a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);margin-top:36px;padding:18px 0 22px;
  display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;
  font-size:12.5px;color:#B9A6B3;line-height:1.7;
}
@media (min-width:768px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
}
@media (max-width:575px){
  .cat-head{padding:28px 0 32px;}
  .post-body{padding:14px 2px 4px;}
  .hot-item{flex-direction:column;gap:4px;}
}
@media (min-width:768px){
  section{padding:80px 0;}
}
@media (min-width:992px){
  section{padding:88px 0;}
}