/* roulang page: index */
:root{
  --orange:#E86A2C;
  --orange-d:#C4501A;
  --orange-l:#FDEDE3;
  --ink:#16302B;
  --teal:#2F7A6B;
  --bg:#FAF6EF;
  --card:#FFFFFF;
  --alt:#F4EEE4;
  --line:#E6DFD3;
  --txt:#1C2B28;
  --sub:#5A6B67;
  --grad:linear-gradient(135deg,#F2913F 0%,#E4593C 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sh-sm:0 2px 8px rgba(22,48,43,.06);
  --sh-md:0 10px 28px rgba(22,48,43,.09);
  --sh-lg:0 24px 56px rgba(22,48,43,.14);
  --sec:88px;
  --bs-primary:#E86A2C;
  --bs-link-color:#16302B;
  --bs-link-hover-color:#E86A2C;
  --bs-border-color:#E6DFD3;
  --bs-body-bg:#FAF6EF;
  --bs-body-color:#1C2B28;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--txt);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--orange);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--ink);letter-spacing:-0.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:6px;}

.container{max-width:1200px;padding-left:32px;padding-right:32px;margin:0 auto;}
@media(max-width:991px){.container{padding-left:24px;padding-right:24px;}}
@media(max-width:767px){.container{padding-left:18px;padding-right:18px;}}

.section{padding:var(--sec) 0;position:relative;}
.section-alt{background:var(--alt);}
@media(max-width:991px){.section{padding:64px 0;}}
@media(max-width:767px){.section{padding:48px 0;}}

.sec-head{margin-bottom:32px;}
.sec-head.flex-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--orange-l);color:var(--orange-d);
  font-size:12px;font-weight:600;letter-spacing:.12em;
  padding:6px 14px;border-radius:999px;
}
.eyebrow .star{width:12px;height:12px;flex:none;}
.sec-title{font-size:clamp(24px,2.6vw,34px);line-height:1.3;}
.sec-sub{font-size:14px;line-height:1.7;color:var(--sub);margin-top:10px;max-width:640px;}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* ============ 按钮 ============ */
.btn-main,.btn-ghost,.btn-line,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:16px;font-weight:600;line-height:1;
  border-radius:999px;border:0;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  text-align:center;
}
.btn-main{height:52px;padding:0 28px;background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(232,106,44,.22);}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(232,106,44,.30);color:#fff;}
.btn-main:active{transform:translateY(0);}
.btn-ghost{height:52px;padding:0 26px;background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn-ghost:hover{background:rgba(22,48,43,.06);color:var(--ink);transform:translateY(-2px);}
.btn-line{height:46px;padding:0 22px;background:transparent;color:var(--ink);border:1.5px solid var(--line);font-size:15px;}
.btn-line:hover{border-color:rgba(232,106,44,.55);color:var(--orange-d);transform:translateY(-2px);}
.btn-soft{height:52px;padding:0 28px;background:#fff;color:var(--ink);}
.btn-soft:hover{transform:translateY(-2px);box-shadow:var(--sh-md);color:var(--ink);}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--orange-d);
  border-bottom:1px dashed rgba(232,106,44,.5);padding-bottom:2px;
}
.link-arrow:hover{border-bottom-style:solid;color:var(--orange-d);}
.link-arrow i{transition:transform .18s ease;}
.link-arrow:hover i{transform:translateX(4px);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(250,246,239,.86);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:var(--sh-sm);}
.nav-wrap{
  height:76px;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:26px;}
.nav-left{justify-self:start;}
.nav-right{justify-self:end;}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center;white-space:nowrap;}
.brand-mark{width:26px;height:26px;flex:none;display:block;}
.brand-name{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.nav-link-x{
  position:relative;font-size:15px;font-weight:500;color:var(--ink);
  padding:6px 0;white-space:nowrap;
}
.nav-link-x::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--grad);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link-x:hover{color:var(--orange);}
.nav-link-x:hover::after{transform:scaleX(1);}
.nav-link-x.active{color:var(--orange);}
.nav-link-x.active::after{transform:scaleX(1);}
.nav-cta{
  height:40px;padding:0 20px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad);color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 6px 16px rgba(232,106,44,.22);
  transition:transform .18s ease,box-shadow .18s ease;
}
.nav-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(232,106,44,.3);}
.nav-toggle{
  justify-self:end;width:44px;height:44px;border-radius:12px;
  background:transparent;border:1px solid var(--line);
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-nav{background:#FAF6EF;border-top:1px solid var(--line);}
.mobile-nav .inner{padding:8px 18px 20px;}
.mobile-nav a.m-link{
  display:flex;align-items:center;height:52px;font-size:15px;font-weight:500;
  color:var(--ink);border-bottom:1px solid var(--line);
}
.mobile-nav a.m-link.active{color:var(--orange);}
.mobile-nav .btn-main{margin-top:16px;height:48px;width:100%;}
@media(max-width:991px){
  .nav-wrap{height:64px;grid-template-columns:1fr auto 1fr;}
  .mobile-nav .inner{padding-left:24px;padding-right:24px;}
}
@media(max-width:767px){
  .mobile-nav .inner{padding-left:18px;padding-right:18px;}
}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:76px 0 84px;background:var(--bg);}
.hero::before{
  content:"";position:absolute;right:-120px;top:-160px;width:560px;height:560px;
  background:radial-gradient(circle,rgba(242,145,63,.16) 0%,rgba(242,145,63,0) 70%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:-100px;bottom:-180px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(47,122,107,.10) 0%,rgba(47,122,107,0) 70%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,60fr) minmax(0,40fr);gap:48px;align-items:center;}
.hero-title{font-size:clamp(30px,4.2vw,52px);line-height:1.2;font-weight:700;letter-spacing:-0.01em;color:var(--ink);margin:20px 0 0;}
.hero-title .line2{display:block;}
.hero-sub{font-size:18px;line-height:1.75;color:var(--sub);margin-top:20px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.badges{display:flex;flex-wrap:wrap;gap:28px;margin-top:36px;align-items:center;}
.badge-item{display:flex;align-items:baseline;gap:10px;}
.badge-num{font-size:24px;font-weight:700;color:var(--orange);line-height:1;}
.badge-sep{width:1px;height:16px;background:var(--line);align-self:center;}
.badge-label{font-size:12px;color:var(--sub);line-height:1.4;}
.badge-pill{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
  background:rgba(47,122,107,.10);color:var(--teal);font-size:12px;font-weight:600;
}
.badge-pill.solid{background:var(--grad);color:#fff;}
.hero-visual{position:relative;}
.hero-img{
  width:100%;aspect-ratio:4/3;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-md);background:#F1EBE1;position:relative;
}
.hero-img img{width:100%;height:100%;object-fit:cover;}
.hero-float{
  position:absolute;left:-28px;bottom:-28px;
  background:#fff;border-radius:var(--r-md);padding:16px 20px;
  box-shadow:var(--sh-lg);border:1px solid var(--line);min-width:200px;
}
.hero-float .num{font-size:26px;font-weight:700;color:var(--orange);line-height:1.1;}
.hero-float .cap{font-size:13px;color:var(--sub);margin-top:4px;}
@media(max-width:991px){
  .hero{padding:56px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-sub{max-width:100%;}
  .hero-float{position:static;margin-top:16px;left:auto;bottom:auto;display:inline-flex;flex-direction:column;}
}
@media(max-width:767px){
  .hero-actions .btn-main,.hero-actions .btn-ghost{flex:1 1 calc(50% - 7px);padding:0 12px;font-size:15px;}
  .badges{gap:18px 22px;}
  .badge-num{font-size:20px;}
}

/* ============ 功能分组 ============ */
.feat-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.feat-dark{
  position:relative;overflow:hidden;
  background:var(--ink);color:#fff;border-radius:var(--r-lg);
  padding:32px;border:1px solid rgba(242,145,63,.28);
  display:flex;flex-direction:column;justify-content:flex-start;
  transition:transform .18s ease,box-shadow .18s ease;
}
.feat-dark:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.feat-dark h3{color:#fff;font-size:22px;line-height:1.4;margin:16px 0 12px;}
.feat-dark p{color:#C9D6D2;font-size:15px;line-height:1.75;max-width:420px;}
.feat-dark .dark-img{
  margin-top:auto;border-radius:var(--r-md);overflow:hidden;
  aspect-ratio:16/7;background:#F1EBE1;position:relative;margin-top:28px;
}
.feat-dark .dark-img img{width:100%;height:100%;object-fit:cover;opacity:.92;}
.feat-dark .link-arrow{color:#fff;border-bottom-color:rgba(255,255,255,.5);margin-top:20px;align-self:flex-start;}
.feat-dark .link-arrow:hover{color:#F2913F;border-bottom-color:#F2913F;}
.feat-tall{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.feat-tall:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(232,106,44,.45);}
.icon-square{
  width:44px;height:44px;border-radius:12px;background:var(--orange-l);
  display:inline-flex;align-items:center;justify-content:center;color:var(--orange);
  font-size:18px;flex:none;
}
.feat-tall h3{font-size:20px;margin:18px 0 10px;}
.feat-tall p{font-size:15px;line-height:1.75;color:var(--sub);}
.feat-tall .badge-pill{margin-top:auto;align-self:flex-start;margin-top:22px;}
.feat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px;}
.feat-narrow{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;display:flex;gap:16px;align-items:flex-start;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.feat-narrow:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(232,106,44,.45);}
.feat-narrow h4{font-size:17px;margin-bottom:6px;}
.feat-narrow p{font-size:14px;line-height:1.7;color:var(--sub);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
@media(max-width:991px){
  .feat-grid{grid-template-columns:1fr;}
  .feat-row{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:767px){
  .feat-row{grid-template-columns:1fr;}
  .feat-narrow{flex-direction:column;gap:12px;}
  .feat-dark,.feat-tall{padding:24px;}
}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.step{position:relative;padding-right:8px;}
.step .num{
  width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;
  font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:center;
  position:relative;z-index:2;box-shadow:0 6px 16px rgba(232,106,44,.24);
}
.step::before{
  content:"";position:absolute;left:44px;right:-24px;top:22px;height:1px;
  border-top:1px dashed var(--line);z-index:1;
}
.step:last-child::before{display:none;}
.step h4{font-size:17px;margin:20px 0 8px;}
.step p{font-size:15px;line-height:1.7;color:var(--sub);}
@media(max-width:991px){
  .steps{grid-template-columns:repeat(2,1fr);gap:28px;}
  .step::before{display:none;}
}
@media(max-width:767px){
  .steps{grid-template-columns:1fr;gap:0;}
  .step{padding:0 0 28px 64px;}
  .step .num{position:absolute;left:0;top:0;}
  .step::before{display:block;left:22px;top:48px;bottom:6px;right:auto;width:1px;height:auto;border-top:0;border-left:1px dashed var(--line);}
  .step:last-child{padding-bottom:0;}
}

/* ============ 案例 ============ */
.case-big{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  margin-bottom:24px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.case-big:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(232,106,44,.45);}
.case-big .media{aspect-ratio:3/2;background:#F1EBE1;overflow:hidden;}
.case-big .media img{width:100%;height:100%;object-fit:cover;}
.case-big .body{padding:32px;display:flex;flex-direction:column;justify-content:center;}
.case-big h3{font-size:22px;line-height:1.45;margin:14px 0 12px;}
.case-big p{font-size:15px;line-height:1.75;color:var(--sub);}
.case-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.case-small-row{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.case-small{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.case-small:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(232,106,44,.45);}
.case-small h4{font-size:17px;margin-bottom:8px;}
.case-small p{font-size:14px;line-height:1.7;color:var(--sub);margin-bottom:16px;}
@media(max-width:991px){.case-big{grid-template-columns:1fr;}}
@media(max-width:767px){.case-small-row{grid-template-columns:1fr;}.case-big .body{padding:24px;}}

/* ============ 价格 ============ */
.price-head{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:40px;}
.toggle-switch{display:inline-flex;background:var(--alt);border:1px solid var(--line);border-radius:999px;padding:4px;gap:4px;}
.toggle-switch button{
  border:0;background:transparent;height:38px;padding:0 20px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--sub);cursor:pointer;transition:all .18s ease;
}
.toggle-switch button.on{background:var(--grad);color:#fff;box-shadow:0 4px 12px rgba(232,106,44,.25);}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.price-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(232,106,44,.45);}
.price-card .plan{font-size:14px;font-weight:600;color:var(--orange);letter-spacing:.06em;}
.price-card .amount{font-size:40px;font-weight:700;color:var(--ink);line-height:1.1;margin-top:14px;display:flex;align-items:baseline;gap:6px;}
.price-card .amount .unit{font-size:12px;font-weight:500;color:var(--sub);letter-spacing:0;}
.price-card .desc{font-size:14px;line-height:1.7;color:var(--sub);margin-top:12px;min-height:48px;}
.price-card .divider{height:1px;background:var(--line);margin:20px 0;}
.price-card ul{display:flex;flex-direction:column;gap:12px;margin-bottom:26px;}
.price-card li{display:flex;gap:10px;align-items:flex-start;font-size:15px;line-height:1.6;color:var(--txt);}
.price-card li i{color:var(--teal);font-size:14px;margin-top:5px;flex:none;}
.price-card .btn-main,.price-card .btn-line{margin-top:auto;width:100%;height:48px;font-size:15px;}
.price-card.featured{
  background:var(--ink);border:1px solid rgba(242,145,63,.45);
  box-shadow:var(--sh-md);
}
.price-card.featured .plan{color:#F2913F;}
.price-card.featured .amount{color:#fff;}
.price-card.featured .amount .unit{color:#C9D6D2;}
.price-card.featured .desc{color:#C9D6D2;}
.price-card.featured .divider{background:rgba(255,255,255,.12);}
.price-card.featured li{color:#E7EFEC;}
.price-card.featured li i{color:#7BC0AF;}
.price-card.featured:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.featured-tag{
  position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:var(--grad);color:#fff;font-size:12px;font-weight:600;
  padding:6px 16px;border-radius:999px;white-space:nowrap;
  box-shadow:0 6px 14px rgba(232,106,44,.3);
}
@media(max-width:991px){
  .price-grid{grid-template-columns:1fr;}
  .price-card.featured{order:-1;}
}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.news-lead,.news-mini{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  display:block;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.news-lead:hover,.news-mini:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(232,106,44,.45);}
.news-cover{position:relative;aspect-ratio:16/10;background:#F1EBE1;overflow:hidden;}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-lead:hover .news-cover img,.news-mini:hover .news-cover img{transform:scale(1.04);}
.news-cat{
  position:absolute;left:14px;top:14px;
  background:rgba(255,255,255,.94);color:var(--orange-d);
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;
  border:1px solid rgba(232,106,44,.2);
}
.news-body{padding:22px 24px 24px;}
.news-title{font-size:18px;font-weight:700;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-sum{font-size:15px;line-height:1.7;color:var(--sub);margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);}
.news-meta time{font-size:13px;color:var(--sub);}
.news-meta i{color:var(--orange);font-size:13px;}
.news-side{display:flex;flex-direction:column;gap:24px;}
.news-side:empty{display:none;}
.news-mini{display:grid;grid-template-columns:40% 1fr;}
.news-mini .news-cover{aspect-ratio:auto;height:100%;min-height:150px;}
.news-mini .news-body{padding:20px 22px;}
.news-mini .news-title{font-size:16px;}
.news-mini .news-sum{font-size:14px;-webkit-line-clamp:2;}
.news-mini .news-meta{margin-top:12px;padding-top:12px;}
.news-empty{
  grid-column:1/-1;height:240px;border-radius:var(--r-md);background:var(--alt);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  border:1px dashed var(--line);
}
.news-empty .ico{width:44px;height:44px;color:var(--orange);opacity:.7;}
.news-empty p{font-size:15px;color:var(--sub);}
@media(max-width:991px){
  .news-grid{grid-template-columns:1fr;}
  .news-mini{grid-template-columns:38% 1fr;}
}
@media(max-width:575px){
  .news-mini{grid-template-columns:1fr;}
  .news-mini .news-cover{aspect-ratio:16/10;min-height:0;}
}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;}
.faq-item:hover{border-color:rgba(232,106,44,.35);box-shadow:var(--sh-sm);}
.faq-q{
  width:100%;min-height:64px;display:flex;align-items:center;gap:14px;
  padding:16px 22px;background:transparent;border:0;text-align:left;cursor:pointer;
}
.faq-q .q-idx{
  width:28px;height:28px;border-radius:50%;background:var(--grad);color:#fff;
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:none;
}
.faq-q .q-text{font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;flex:1;}
.faq-q .q-icon{
  width:28px;height:28px;border-radius:50%;border:1.5px solid rgba(232,106,44,.55);
  position:relative;flex:none;transition:transform .22s ease;
}
.faq-q .q-icon::before,.faq-q .q-icon::after{
  content:"";position:absolute;background:var(--orange);border-radius:2px;
  transition:transform .22s ease,opacity .22s ease;
}
.faq-q .q-icon::before{left:50%;top:7px;bottom:7px;width:1.5px;transform:translateX(-50%);}
.faq-q .q-icon::after{top:50%;left:7px;right:7px;height:1.5px;transform:translateY(-50%);}
.faq-q[aria-expanded="true"] .q-icon::before{opacity:0;}
.faq-q[aria-expanded="true"] .q-icon{transform:rotate(45deg);}
.faq-a{padding:0 22px 20px 64px;font-size:15px;line-height:1.85;color:var(--sub);}
.faq-a p+p{margin-top:10px;}
@media(max-width:575px){
  .faq-a{padding:0 20px 18px 20px;}
  .faq-q{padding:14px 18px;gap:10px;}
}

/* ============ CTA ============ */
.cta-wrap{padding-bottom:var(--sec);}
.cta-card{
  position:relative;overflow:hidden;background:var(--ink);border-radius:var(--r-lg);
  padding:48px 32px;border:1px solid rgba(242,145,63,.24);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-card::before{
  content:"";position:absolute;right:-80px;top:-100px;width:300px;height:300px;
  background:radial-gradient(circle,rgba(242,145,63,.32) 0%,rgba(242,145,63,0) 70%);
}
.cta-card .cta-txt{position:relative;max-width:640px;}
.cta-card h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.35;}
.cta-card p{color:#C9D6D2;font-size:15px;line-height:1.75;margin-top:12px;}
.cta-actions{position:relative;display:flex;gap:14px;flex-wrap:wrap;}
.cta-actions .btn-soft{color:var(--ink);}
.cta-actions .btn-outline-light-x{
  height:52px;padding:0 26px;border-radius:999px;border:1.5px solid rgba(255,255,255,.5);
  background:transparent;color:#fff;font-size:16px;font-weight:600;
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform .18s ease,background-color .18s ease;
}
.cta-actions .btn-outline-light-x:hover{background:rgba(255,255,255,.1);transform:translateY(-2px);color:#fff;}
@media(max-width:767px){
  .cta-card{padding:36px 24px;flex-direction:column;text-align:center;}
  .cta-actions{width:100%;justify-content:center;}
  .cta-actions .btn-main,.cta-actions .btn-soft,.cta-actions .btn-outline-light-x{flex:1 1 calc(50% - 7px);padding:0 14px;font-size:15px;}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#C9D6D2;position:relative;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1.2fr;gap:32px;padding:64px 0 48px;}
.f-brand .brand-name{color:#fff;}
.f-brand p{font-size:14px;line-height:1.8;margin-top:16px;color:#C9D6D2;max-width:260px;}
.f-brand .badge-pill{margin-top:18px;}
.f-col h5{font-size:13px;font-weight:600;color:#F2913F;letter-spacing:.1em;margin-bottom:16px;}
.f-col ul{display:flex;flex-direction:column;gap:11px;}
.f-col a{font-size:14px;color:#C9D6D2;}
.f-col a:hover{color:var(--orange);}
.f-col .f-line{font-size:14px;line-height:1.7;color:#C9D6D2;display:flex;gap:8px;align-items:flex-start;}
.f-col .f-line i{color:#F2913F;font-size:13px;margin-top:5px;flex:none;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA39E;
}
.footer-bottom a{color:#8FA39E;}
.footer-bottom a:hover{color:var(--orange);}
.footer-acc-toggle{display:none;}
@media(max-width:991px){
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 36px;}
  .f-brand{grid-column:1/-1;}
}
@media(max-width:575px){
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{justify-content:center;text-align:center;}
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .45s cubic-bezier(.2,.7,.3,1),transform .45s cubic-bezier(.2,.7,.3,1);}
.reveal.in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1!important;transform:none!important;transition:none!important;}
  *{animation-duration:.001ms!important;transition-duration:.001ms!important;}
}

/* roulang page: article */
:root{
  --orange:#E86A2C;
  --orange-deep:#C4501A;
  --orange-soft:#FDEDE3;
  --ink:#16302B;
  --teal:#2F7A6B;
  --bg:#FAF6EF;
  --card:#FFFFFF;
  --alt:#F4EEE4;
  --line:#E6DFD3;
  --text:#1C2B28;
  --muted:#5A6B67;
  --grad:linear-gradient(135deg,#F2913F 0%,#E4593C 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sh-sm:0 2px 8px rgba(22,48,43,.06);
  --sh-md:0 10px 28px rgba(22,48,43,.09);
  --sh-lg:0 24px 56px rgba(22,48,43,.14);
  --bs-primary:#E86A2C;
  --bs-link-color:#16302B;
  --bs-border-color:#E6DFD3;
  --bs-body-bg:#FAF6EF;
  --bs-body-color:#1C2B28;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .18s ease,border-color .18s ease;}
a:hover{color:var(--orange);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(250,246,239,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:var(--sh-sm);}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  height:76px;
  gap:16px;
}
.nav-left{display:flex;align-items:center;gap:26px;justify-self:start;}
.nav-right{display:flex;align-items:center;gap:26px;justify-self:end;}
.nav-link-x{
  position:relative;
  font-size:15px;font-weight:500;color:var(--ink);
  padding:6px 0;white-space:nowrap;
}
.nav-link-x::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--grad);border-radius:2px;
  transform:scaleX(0);transform-origin:center;
  transition:transform .18s ease;
}
.nav-link-x:hover{color:var(--orange);}
.nav-link-x:hover::after,.nav-link-x.active::after{transform:scaleX(1);}
.nav-link-x.active{color:var(--orange);}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center;}
.brand-mark{width:26px;height:26px;flex:0 0 auto;}
.brand-name{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 22px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 6px 16px rgba(232,106,44,.22);
  transition:transform .18s ease,box-shadow .18s ease;
}
.nav-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(232,106,44,.30);}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;
  background:#fff;justify-self:start;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;position:relative;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,background .2s ease;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.open span{background:transparent;}
.nav-toggle.open span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle.open span::after{transform:translateY(-6px) rotate(-45deg);}
.mobile-panel{
  display:none;border-top:1px solid var(--line);background:rgba(250,246,239,.98);
  padding:8px 32px 22px;
}
.mobile-panel.open{display:block;}
.mobile-panel a{
  display:flex;align-items:center;height:52px;font-size:16px;font-weight:500;
  color:var(--ink);border-bottom:1px solid var(--line);
}
.mobile-panel a:last-of-type{border-bottom:none;}
.mobile-panel .mobile-cta{
  margin-top:16px;height:48px;border-radius:999px;background:var(--grad);color:#fff;
  justify-content:center;font-weight:600;border-bottom:none;
}

/* ---------- breadcrumb ---------- */
.breadcrumb-bar{padding-top:22px;}
.bc-inner{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--muted);letter-spacing:.02em;}
.bc-inner a{color:var(--muted);}
.bc-inner a:hover{color:var(--orange);}
.bc-inner .sep{color:#B9B0A2;}
.bc-inner .current{color:var(--orange);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- article head ---------- */
.article-shell{padding-top:26px;padding-bottom:88px;}
.article-head{max-width:760px;margin:0 auto;padding-bottom:26px;}
.cat-pill{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 14px;border-radius:999px;
  background:var(--orange-soft);color:var(--orange-deep);
  font-size:12px;font-weight:600;letter-spacing:.1em;
}
.article-head h1{
  margin-top:18px;
  font-size:clamp(26px,3.2vw,40px);
  line-height:1.3;
  letter-spacing:-.01em;
  color:var(--ink);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:18px;font-size:13px;color:var(--muted);
}
.article-meta .dot{width:1px;height:12px;background:var(--line);display:inline-block;}
.grad-line{height:1px;width:100%;background:var(--grad);opacity:.55;margin-top:26px;}

/* ---------- article grid ---------- */
.article-grid{
  display:grid;
  grid-template-columns:minmax(0,760px) 300px;
  gap:48px;
  align-items:start;
}
.article-body{max-width:760px;font-size:17px;line-height:1.95;color:var(--text);}
.article-body p{margin:0 0 24px;}
.article-body h2{
  position:relative;
  font-size:26px;line-height:1.45;font-weight:700;
  margin:48px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--grad);
}
.article-body h3{font-size:20px;line-height:1.5;margin:32px 0 12px;}
.article-body h4{font-size:17px;margin:24px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 24px;padding-left:6px;}
.article-body ul li,.article-body ol li{position:relative;padding-left:24px;margin-bottom:10px;line-height:1.85;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:12px;width:8px;height:8px;border-radius:50%;background:var(--orange);opacity:.85;
}
.article-body ol{counter-reset:olnum;}
.article-body ol li::before{
  counter-increment:olnum;content:counter(olnum);
  position:absolute;left:0;top:3px;width:18px;height:18px;border-radius:50%;
  background:rgba(47,122,107,.12);color:var(--teal);
  font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:28px 0;padding:20px 24px;
  border-left:3px solid var(--orange);border-radius:0 12px 12px 0;
  background:var(--alt);font-size:17px;line-height:1.85;color:var(--ink);
}
.article-body img{border-radius:var(--r-md);margin:6px auto 8px;width:100%;object-fit:cover;}
.article-body a{color:var(--ink);border-bottom:1px dashed var(--orange);}
.article-body a:hover{color:var(--orange);border-bottom-style:solid;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;border-radius:var(--r-md);overflow:hidden;font-size:15px;}
.article-body th{background:var(--alt);text-align:left;padding:12px 16px;font-weight:600;color:var(--ink);}
.article-body td{padding:12px 16px;border-top:1px solid var(--line);}
.article-body tbody tr:nth-child(even){background:#FBF8F2;}
.article-body strong{color:var(--ink);font-weight:700;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0;}

.empty-state{
  background:var(--alt);border:1px dashed var(--line);border-radius:var(--r-md);
  padding:56px 24px;text-align:center;color:var(--muted);
}
.empty-state svg{width:38px;height:38px;margin:0 auto 14px;display:block;opacity:.55;}
.empty-state h2{font-size:20px;padding:0;margin:0 0 8px;color:var(--ink);}
.empty-state h2::before{display:none;}
.empty-state p{margin:0 0 18px;font-size:15px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;
  border:1.5px solid var(--ink);color:var(--ink);font-size:15px;font-weight:600;background:transparent;
  transition:background .18s ease,transform .18s ease,color .18s ease;
}
.btn-ghost:hover{background:rgba(22,48,43,.06);color:var(--ink);transform:translateY(-2px);}

/* ---------- article tail ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:44px;}
.tag-pill{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--muted);
  transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.tag-pill:hover{color:var(--orange);border-color:rgba(232,106,44,.45);transform:translateY(-2px);}
.tail-divider{height:1px;background:var(--line);margin:32px 0;}
.rel-title{font-size:20px;font-weight:700;margin-bottom:18px;}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.rel-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(232,106,44,.45);}
.rel-thumb{aspect-ratio:16/10;background:#F1EBE1;overflow:hidden;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;}
.rel-body{padding:16px 18px 18px;}
.rel-body h4{font-size:16px;line-height:1.5;font-weight:600;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-body span{display:block;margin-top:10px;font-size:12px;color:var(--muted);letter-spacing:.04em;}
.back-row{margin-top:28px;}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 22px 20px;box-shadow:var(--sh-sm);}
.side-card h3{font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.04em;margin-bottom:14px;}
.toc-list li{border-bottom:1px dashed var(--line);}
.toc-list li:last-child{border-bottom:none;}
.toc-list a{display:flex;align-items:center;gap:10px;padding:10px 0;font-size:14px;color:var(--muted);}
.toc-list a:hover{color:var(--orange);}
.toc-num{
  width:22px;height:22px;border-radius:50%;flex:0 0 auto;
  background:rgba(47,122,107,.10);color:var(--teal);
  font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.pick-list li{padding:11px 0;border-bottom:1px dashed var(--line);}
.pick-list li:last-child{border-bottom:none;padding-bottom:0;}
.pick-list a{font-size:14px;line-height:1.6;color:var(--ink);display:block;}
.pick-list a:hover{color:var(--orange);}
.pick-list span{display:block;margin-top:6px;font-size:12px;color:var(--muted);}
.side-cta{
  border-radius:var(--r-md);padding:24px 22px;color:#fff;
  background:var(--grad);box-shadow:0 14px 30px rgba(232,106,44,.24);
}
.side-cta h3{color:#fff;font-size:17px;margin-bottom:8px;}
.side-cta p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.9);margin-bottom:16px;}
.side-cta a{
  display:flex;align-items:center;justify-content:center;height:42px;border-radius:999px;
  background:#fff;color:var(--ink);font-size:14px;font-weight:600;
}
.side-cta a:hover{color:var(--orange-deep);}

/* ---------- cta band ---------- */
.cta-band{padding-bottom:88px;}
.cta-card{
  position:relative;overflow:hidden;
  background:var(--ink);border-radius:var(--r-lg);
  padding:48px 44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  border:1px solid rgba(242,145,63,.28);
}
.cta-card::after{
  content:"";position:absolute;right:-60px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,145,63,.28) 0%,rgba(242,145,63,0) 70%);
}
.cta-card h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.35;margin-bottom:10px;position:relative;z-index:1;}
.cta-card p{color:#C9D6D2;font-size:15px;max-width:560px;position:relative;z-index:1;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;
  height:52px;padding:0 28px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:16px;font-weight:600;
  box-shadow:0 10px 24px rgba(232,106,44,.28);
  transition:transform .18s ease,box-shadow .18s ease;
}
.btn-solid:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(232,106,44,.36);}
.btn-light{
  display:inline-flex;align-items:center;justify-content:center;
  height:52px;padding:0 28px;border-radius:999px;
  background:#fff;color:var(--ink);font-size:16px;font-weight:600;
  transition:transform .18s ease,box-shadow .18s ease;
}
.btn-light:hover{color:var(--orange-deep);transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-outline-w{
  display:inline-flex;align-items:center;justify-content:center;
  height:52px;padding:0 28px;border-radius:999px;
  border:1.5px solid rgba(255,255,255,.5);color:#fff;font-size:16px;font-weight:600;
  transition:background .18s ease,transform .18s ease;
}
.btn-outline-w:hover{background:rgba(255,255,255,.10);color:#fff;transform:translateY(-2px);}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);color:#C9D6D2;
  border-top:1px solid transparent;
  background-image:linear-gradient(var(--ink),var(--ink)),linear-gradient(90deg,#F2913F,#E4593C,#2F7A6B);
  background-origin:border-box;background-clip:padding-box,border-box;
  padding-top:64px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr 1.25fr;
  gap:36px;
  padding-bottom:44px;
}
.f-brand .brand{margin-bottom:14px;}
.f-brand .brand-name{color:#fff;}
.f-brand p{font-size:14px;line-height:1.75;color:#C9D6D2;max-width:260px;}
.badge-pill{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(242,145,63,.16);color:#F2A46B;font-size:12px;font-weight:600;
  margin-top:16px;letter-spacing:.02em;
}
.f-col h5{font-size:13px;color:#E8A86E;letter-spacing:.12em;margin-bottom:16px;font-weight:600;}
.f-col ul li{margin-bottom:11px;}
.f-col ul li a{font-size:14px;color:#C9D6D2;}
.f-col ul li a:hover{color:#F2913F;}
.f-line{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:#C9D6D2;}
.f-line i{color:#E8A86E;margin-top:4px;font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:#8FA3A0;
}
.footer-bottom a{color:#8FA3A0;}
.footer-bottom a:hover{color:#F2913F;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 24px;}
  .article-grid{grid-template-columns:1fr;gap:36px;}
  .article-side{position:static;max-width:760px;}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;row-gap:32px;}
}
@media (max-width:991px){
  .nav-wrap{grid-template-columns:auto 1fr auto;height:64px;}
  .nav-left,.nav-right{display:none !important;}
  .nav-toggle{display:flex;}
  .brand{grid-column:2;justify-self:center;}
  .brand-mark{width:23px;height:23px;}
  .brand-name{font-size:16px;}
  .mobile-panel{padding:8px 24px 20px;}
  .rel-grid{grid-template-columns:1fr 1fr;}
  .cta-card{flex-direction:column;align-items:flex-start;padding:36px 28px;}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.8;}
  .container{padding:0 18px;}
  .article-shell{padding-top:20px;padding-bottom:56px;}
  .article-body{font-size:16px;line-height:1.9;}
  .article-body h2{font-size:22px;margin-top:36px;}
  .article-body h3{font-size:18px;}
  .rel-grid{grid-template-columns:1fr;}
  .cta-band{padding-bottom:56px;}
  .cta-card{padding:32px 22px;}
  .cta-actions{width:100%;}
  .cta-actions a{width:100%;}
  .footer-top{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .site-footer{padding-top:48px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .bc-inner .current{max-width:46vw;}
}
@media (max-width:419px){
  .hero-badges{flex-wrap:wrap;}
  .side-card{padding:18px;}
  .article-meta{gap:8px;font-size:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category1 */
:root{
  --brand:#E86A2C;
  --brand-dark:#C4501A;
  --brand-soft:#FDEDE3;
  --ink:#16302B;
  --jade:#2F7A6B;
  --bg:#FAF6EF;
  --card:#FFFFFF;
  --alt:#F4EEE4;
  --line:#E6DFD3;
  --text:#1C2B28;
  --muted:#5A6B67;
  --grad:linear-gradient(135deg,#F2913F 0%,#E4593C 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sh-sm:0 2px 8px rgba(22,48,43,.06);
  --sh-md:0 10px 28px rgba(22,48,43,.09);
  --sh-lg:0 24px 56px rgba(22,48,43,.14);
  --bs-primary:#E86A2C;
  --bs-primary-rgb:232,106,44;
  --bs-link-color:#16302B;
  --bs-link-hover-color:#E86A2C;
  --bs-border-color:#E6DFD3;
  --bs-body-bg:#FAF6EF;
  --bs-body-color:#1C2B28;
  --bs-body-font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;padding-left:32px;padding-right:32px;margin:0 auto;}
@media (max-width:991px){.container{padding-left:24px;padding-right:24px;}}
@media (max-width:767px){.container{padding-left:18px;padding-right:18px;}}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(250,246,239,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .18s ease;
}
.site-header.scrolled{box-shadow:var(--sh-sm);}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  height:76px;
  gap:16px;
}
.nav-left{display:flex;align-items:center;gap:30px;}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:26px;}
.nav-link-x{
  position:relative;
  font-size:15px;font-weight:500;color:var(--ink);
  padding:6px 0;white-space:nowrap;
}
.nav-link-x::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:center;
  transition:transform .18s ease;
}
.nav-link-x:hover{color:var(--brand);}
.nav-link-x:hover::after{transform:scaleX(1);}
.nav-link-x.active{color:var(--brand);}
.nav-link-x.active::after{transform:scaleX(1);}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center;}
.brand-mark{width:26px;height:26px;flex:0 0 auto;}
.brand-name{font-size:18px;font-weight:700;color:var(--ink);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 6px 16px rgba(232,106,44,.22);
  transition:transform .18s ease,box-shadow .18s ease;
}
.nav-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(232,106,44,.30);}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);
  background:#fff;border-radius:10px;padding:0;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .18s ease,opacity .18s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-panel{display:none;}
.nav-panel .panel-link{
  display:flex;align-items:center;height:52px;
  font-size:16px;font-weight:500;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.nav-panel .panel-link.active{color:var(--brand);}
.nav-panel .panel-cta{
  display:flex;align-items:center;justify-content:center;
  height:48px;margin:16px 0 20px;border-radius:999px;
  background:var(--grad);color:#fff;font-weight:600;width:100%;
}
.nav-panel .panel-cta:hover{color:#fff;}
@media (max-width:991px){
  .nav-wrap{grid-template-columns:1fr auto 1fr;height:64px;}
  .brand{grid-column:2;}
  .nav-toggle{display:flex;grid-column:3;justify-self:end;}
  .nav-panel{display:block;}
}

/* ---------- breadcrumb ---------- */
.crumb{padding-top:20px;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--muted);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C6BEB0;}
.crumb .cur{color:var(--brand);font-weight:600;}

/* ---------- page head ---------- */
.page-head{
  position:relative;overflow:hidden;
  padding:36px 0 30px;
  border-bottom:1px solid var(--line);
}
.page-head::before{
  content:"";position:absolute;top:-140px;right:-80px;width:560px;height:560px;
  background:radial-gradient(circle,rgba(242,145,63,.16) 0%,rgba(242,145,63,0) 70%);
  pointer-events:none;
}
.page-head::after{
  content:"";position:absolute;bottom:-180px;left:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(47,122,107,.10) 0%,rgba(47,122,107,0) 70%);
  pointer-events:none;
}
.page-head .ph-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.35fr .8fr;gap:40px;align-items:end;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;background:var(--brand-soft);
  font-size:12px;letter-spacing:.12em;color:var(--brand-dark);font-weight:600;
  margin-bottom:16px;
}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--grad);display:inline-block;}
.page-head h1{
  font-size:clamp(28px,3.6vw,44px);line-height:1.24;font-weight:700;letter-spacing:-.01em;
}
.page-head h1 .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.ph-note{
  font-size:15px;line-height:1.8;color:var(--muted);
  padding-left:22px;border-left:1px solid var(--line);
}
.ph-bar{height:2px;margin-top:28px;border-radius:2px;background:var(--grad);width:120px;}

/* ---------- sections ---------- */
.sec{padding:64px 0;}
.sec-alt{background:var(--alt);}
.sec-head{margin-bottom:32px;}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;}
.sec-head p{margin-top:10px;font-size:15px;color:var(--muted);max-width:720px;}

/* ---------- group list ---------- */
.group-list{display:grid;gap:20px;}
.group-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-sm);
  display:grid;grid-template-columns:1fr 200px;gap:26px;align-items:start;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.group-item:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(232,106,44,.45);}
.group-item.no-thumb{grid-template-columns:1fr;}
.g-idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;
  background:var(--grad);color:#fff;font-size:15px;font-weight:700;
  margin-bottom:14px;
}
.group-item h3{font-size:20px;line-height:1.4;font-weight:600;margin-bottom:10px;}
.group-item .g-desc{font-size:15px;line-height:1.8;color:var(--muted);margin-bottom:14px;}
.g-points{display:grid;gap:9px;}
.g-points li{display:flex;gap:10px;font-size:15px;line-height:1.7;color:var(--text);}
.g-points li i{color:var(--jade);font-size:13px;margin-top:7px;flex:0 0 auto;}
.thumb{
  border-radius:var(--r-md);overflow:hidden;aspect-ratio:4/3;background:#F1EBE1;
  border:1px solid var(--line);
}
.thumb img{width:100%;height:100%;object-fit:cover;}

/* ---------- side card ---------- */
.side-card{
  position:sticky;top:96px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-md);
}
.side-card h3{font-size:18px;font-weight:600;margin-bottom:6px;}
.side-card .s-sub{font-size:14px;line-height:1.7;color:var(--muted);margin-bottom:18px;}
.side-stats{display:grid;gap:14px;margin-bottom:18px;}
.side-stat{
  display:flex;align-items:baseline;gap:8px;
  padding-bottom:12px;border-bottom:1px solid var(--line);
}
.side-stat:last-child{border-bottom:0;padding-bottom:0;}
.side-stat b{font-size:26px;font-weight:700;color:var(--brand);line-height:1.1;}
.side-stat span{font-size:13px;color:var(--muted);line-height:1.5;}
.side-note{
  font-size:13px;line-height:1.7;color:var(--muted);
  background:var(--brand-soft);border-radius:var(--r-sm);padding:12px 14px;margin-bottom:18px;
}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  width:100%;height:46px;border-radius:999px;
  border:1.5px solid var(--ink);background:transparent;color:var(--ink);
  font-size:15px;font-weight:600;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.btn-ghost:hover{background:rgba(22,48,43,.06);color:var(--ink);transform:translateY(-2px);}
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:16px;font-weight:600;
  box-shadow:0 8px 20px rgba(232,106,44,.22);
  transition:transform .18s ease,box-shadow .18s ease;
}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(232,106,44,.30);}

/* ---------- stat band ---------- */
.stat-band{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh-sm);
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.stat-item{text-align:center;position:relative;}
.stat-item + .stat-item::before{
  content:"";position:absolute;left:-12px;top:12%;height:76%;width:1px;background:var(--line);
}
.stat-item b{display:block;font-size:30px;font-weight:700;color:var(--brand);line-height:1.2;}
.stat-item span{display:block;margin-top:6px;font-size:13px;color:var(--muted);line-height:1.6;}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;}
.faq-acc .accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;
}
.faq-acc .accordion-item:last-child{margin-bottom:0;}
.faq-acc .accordion-button{
  display:flex;align-items:center;gap:14px;
  width:100%;padding:18px 22px;min-height:64px;
  background:var(--card);color:var(--ink);
  font-size:16px;font-weight:600;line-height:1.5;text-align:left;
  box-shadow:none;border:0;
}
.faq-acc .accordion-button:not(.collapsed){background:var(--card);color:var(--ink);box-shadow:none;}
.faq-acc .accordion-button:focus{box-shadow:none;outline:none;}
.faq-acc .accordion-button::after{display:none;}
.faq-acc .accordion-button:hover{color:var(--brand);}
.faq-num{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  background:var(--grad);color:#fff;font-size:13px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
}
.faq-toggle{
  position:relative;flex:0 0 auto;margin-left:auto;width:28px;height:28px;border-radius:50%;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
  border:1.5px solid transparent;
  transition:transform .18s ease;
}
.faq-toggle::before,.faq-toggle::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-dark);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-toggle::before{width:12px;height:2px;}
.faq-toggle::after{width:2px;height:12px;}
.faq-acc .accordion-button:not(.collapsed) .faq-toggle{transform:rotate(45deg);}
.faq-acc .accordion-body{
  padding:0 22px 20px 64px;font-size:15px;line-height:1.85;color:var(--muted);
}

/* ---------- cta band ---------- */
.cta-band{padding:0 0 8px;}
.cta-card{
  position:relative;overflow:hidden;
  background:var(--ink);border-radius:var(--r-lg);
  padding:48px 40px;
  display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center;
  border:1px solid rgba(242,145,63,.28);
  box-shadow:var(--sh-lg);
}
.cta-card::before{
  content:"";position:absolute;top:-120px;right:-60px;width:300px;height:300px;
  background:radial-gradient(circle,rgba(242,145,63,.36) 0%,rgba(242,145,63,0) 70%);
  pointer-events:none;
}
.cta-card h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.32;position:relative;}
.cta-card p{margin-top:12px;color:#C9D6D2;font-size:15px;line-height:1.8;position:relative;max-width:520px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;position:relative;}
.btn-white{
  display:inline-flex;align-items:center;justify-content:center;
  height:52px;padding:0 26px;border-radius:999px;
  background:#fff;color:var(--ink);font-size:16px;font-weight:600;
  transition:transform .18s ease,box-shadow .18s ease;
}
.btn-white:hover{color:var(--ink);transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.18);}
.btn-outline-white{
  display:inline-flex;align-items:center;justify-content:center;
  height:52px;padding:0 26px;border-radius:999px;
  border:1.5px solid rgba(255,255,255,.55);color:#fff;font-size:16px;font-weight:600;
  transition:background .18s ease,transform .18s ease;
}
.btn-outline-white:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);color:#C9D6D2;margin-top:72px;
  border-top:1px solid transparent;
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);
}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.2fr;gap:32px;
  padding:56px 0 40px;
}
.f-brand .brand{margin-bottom:14px;justify-self:start;}
.f-brand .brand-name{color:#fff;}
.f-brand p{font-size:14px;line-height:1.7;color:#C9D6D2;max-width:240px;}
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;height:26px;
  background:rgba(47,122,107,.28);color:#BFE3DA;font-size:12px;
  margin-top:14px;
}
.f-col h5{font-size:13px;letter-spacing:.06em;color:var(--brand);font-weight:600;margin-bottom:14px;}
.f-col ul{display:grid;gap:10px;}
.f-col a{font-size:14px;color:#C9D6D2;}
.f-col a:hover{color:var(--brand);}
.f-line{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:#C9D6D2;line-height:1.6;}
.f-line i{color:var(--brand);margin-top:4px;font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:18px 0 26px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:#8FA29D;
}
.footer-bottom a{color:#8FA29D;}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .42s cubic-bezier(.2,.7,.3,1),transform .42s cubic-bezier(.2,.7,.3,1);}
.reveal.in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .page-head .ph-inner{grid-template-columns:1.2fr .8fr;gap:28px;}
}
@media (max-width:991px){
  .sec{padding:64px 0;}
  .page-head .ph-inner{grid-template-columns:1fr;gap:20px;align-items:start;}
  .ph-note{padding-left:0;border-left:0;border-top:1px solid var(--line);padding-top:16px;}
  .group-item{grid-template-columns:1fr;gap:20px;}
  .thumb{aspect-ratio:16/9;}
  .side-card{position:static;margin-top:24px;}
  .stat-band{grid-template-columns:repeat(2,1fr);gap:20px;}
  .stat-item + .stat-item::before{display:none;}
  .cta-card{grid-template-columns:1fr;padding:36px 28px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 32px;}
  .f-brand{grid-column:1 / -1;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .sec{padding:48px 0;}
  .page-head{padding:26px 0 24px;}
  .group-item{padding:22px;}
  .stat-band{grid-template-columns:1fr 1fr;padding:24px 18px;}
  .stat-item b{font-size:24px;}
  .faq-acc .accordion-body{padding:0 18px 18px 20px;}
  .faq-acc .accordion-button{padding:16px 18px;font-size:15px;gap:10px;}
  .cta-actions{flex-direction:column;}
  .btn-grad,.btn-white,.btn-outline-white{width:100%;}
  .footer-top{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .side-card{padding:22px;}
}
@media (max-width:420px){
  .stat-band{grid-template-columns:1fr;}
  .group-item{padding:18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --brand:#E86A2C;
  --brand-dark:#C4501A;
  --brand-soft:#FDEDE3;
  --ink:#16302B;
  --teal:#2F7A6B;
  --bg:#FAF6EF;
  --surface:#FFFFFF;
  --alt:#F4EEE4;
  --line:#E6DFD3;
  --text:#1C2B28;
  --muted:#5A6B67;
  --grad:linear-gradient(135deg,#F2913F 0%,#E4593C 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sh-sm:0 2px 8px rgba(22,48,43,.06);
  --sh-md:0 10px 28px rgba(22,48,43,.09);
  --sh-lg:0 24px 56px rgba(22,48,43,.14);
  --bs-primary:#E86A2C;
  --bs-link-color:#16302B;
  --bs-link-hover-color:#C4501A;
  --bs-border-color:#E6DFD3;
  --bs-body-bg:#FAF6EF;
  --bs-body-color:#1C2B28;
  --bs-body-font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.section{padding:88px 0;}
.section--alt{background:var(--alt);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:12px;
  font-weight:600;
  letter-spacing:.12em;
  line-height:1.4;
}
.eyebrow svg{width:13px;height:13px;flex:none;}
.sec-head{max-width:760px;margin-bottom:32px;}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;}
.sec-head p{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.8;}
.grad-text{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.btn-grad,.btn-ghost,.btn-ink,.btn-light,.btn-outline-light{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  font-size:16px;
  font-weight:600;
  line-height:1;
  padding:0 28px;
  height:52px;
  border:0;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(232,106,44,.18);}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(232,106,44,.30);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn-ghost:hover{background:rgba(22,48,43,.06);color:var(--ink);transform:translateY(-2px);}
.btn-ink{background:var(--ink);color:#fff;}
.btn-ink:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{color:var(--brand-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.18);}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55);}
.btn-outline-light:hover{background:rgba(255,255,255,.10);color:#fff;transform:translateY(-2px);}
.btn-sm{height:44px;padding:0 22px;font-size:15px;}
.badge-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 10px;
  border-radius:999px;
  background:rgba(47,122,107,.10);
  color:var(--teal);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(250,246,239,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .18s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-sm);}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  height:76px;
}
.nav-left{display:flex;align-items:center;gap:4px;justify-self:start;}
.nav-right{display:flex;align-items:center;gap:4px;justify-self:end;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  justify-self:center;
  padding:4px 2px;
}
.brand-mark{width:26px;height:26px;flex:none;}
.brand-name{
  font-size:18px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.nav-link-x{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 12px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--ink);
  transition:color .18s ease;
}
.nav-link-x::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .18s ease;
}
.nav-link-x:hover{color:var(--brand);}
.nav-link-x:hover::after{transform:scaleX(1);}
.nav-link-x.active{color:var(--brand);}
.nav-link-x.active::after{transform:scaleX(1);}
.btn-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:40px;
  padding:0 20px;
  margin-left:8px;
  border-radius:999px;
  background:var(--grad);
  color:#fff;
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  box-shadow:0 6px 16px rgba(232,106,44,.20);
  transition:transform .18s ease,box-shadow .18s ease;
}
.btn-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(232,106,44,.30);}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  padding:0;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:#fff;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  justify-self:end;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-panel{
  display:none;
  border-top:1px solid var(--line);
  background:var(--bg);
  padding:8px 0 20px;
  box-shadow:var(--sh-sm);
}
.mobile-panel.open{display:block;}
.m-link{
  display:flex;
  align-items:center;
  height:52px;
  padding:0 2px;
  border-bottom:1px solid var(--line);
  font-size:16px;
  font-weight:500;
  color:var(--ink);
}
.m-link.active{color:var(--brand);}
.m-cta{width:100%;margin-top:18px;height:50px;padding:0 20px;}

/* ---------- Breadcrumb ---------- */
.crumb-bar{padding-top:20px;}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:12px;
  color:var(--muted);
  letter-spacing:.02em;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#B9C4C0;}
.crumb em{font-style:normal;color:var(--brand);font-weight:600;}

/* ---------- Page head ---------- */
.page-head{
  position:relative;
  overflow:hidden;
  padding:40px 0 56px;
  text-align:center;
}
.page-head-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.10;
  z-index:0;
}
.page-head::after{
  content:"";
  position:absolute;
  top:-140px;
  right:-120px;
  width:520px;
  height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(242,145,63,.18) 0%,rgba(242,145,63,0) 70%);
  z-index:0;
  pointer-events:none;
}
.page-head-inner{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;}
.page-head h1{
  font-size:clamp(30px,4vw,46px);
  line-height:1.22;
  font-weight:700;
  margin:20px 0 0;
  max-width:920px;
}
.page-sub{
  margin-top:16px;
  max-width:640px;
  font-size:18px;
  line-height:1.75;
  color:var(--muted);
}
.head-stats{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  gap:16px 32px;
  margin-top:28px;
}
.stat{display:flex;align-items:center;gap:12px;}
.stat b{
  font-size:26px;
  font-weight:700;
  line-height:1;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.stat span{
  font-size:12px;
  color:var(--muted);
  letter-spacing:.02em;
  padding-left:12px;
  border-left:1px solid var(--line);
  line-height:1.2;
}
.head-rule{
  height:1px;
  width:100%;
  background:var(--grad);
  opacity:.55;
}

/* ---------- Two tall cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.tall-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.tall-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(232,106,44,.45);}
.tall-card .thumb{
  position:relative;
  aspect-ratio:16/10;
  background:#F1EBE1;
  overflow:hidden;
}
.tall-card .thumb img{width:100%;height:100%;object-fit:cover;}
.tall-card .thumb .tag{
  position:absolute;
  left:16px;
  top:16px;
  height:26px;
  padding:0 12px;
  display:inline-flex;
  align-items:center;
  border-radius:999px;
  background:rgba(255,255,255,.92);
  color:var(--brand-dark);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
}
.tall-card .body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:12px;flex:1;}
.tall-card h3{font-size:22px;line-height:1.4;font-weight:600;}
.tall-card p{font-size:15px;line-height:1.8;color:var(--muted);}
.tall-card .foot{margin-top:auto;padding-top:8px;}
.tall-card .foot .badge-pill{background:rgba(47,122,107,.10);color:var(--teal);}

/* ---------- Compare ---------- */
.compare-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  overflow:hidden;
  margin-top:32px;
}
.compare-row{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1fr;
  align-items:center;
  gap:12px;
  padding:18px 26px;
  border-top:1px solid var(--line);
  transition:background .18s ease;
}
.compare-row:first-child{border-top:0;}
.compare-row--head{
  background:var(--alt);
  padding-top:14px;
  padding-bottom:14px;
}
.compare-row--head .c-name{font-size:13px;letter-spacing:.1em;color:var(--muted);font-weight:600;}
.compare-row--head .c-state{font-size:13px;letter-spacing:.04em;color:var(--ink);font-weight:600;}
.compare-row:not(.compare-row--head):hover{background:#FCF8F2;}
.c-name{font-size:16px;font-weight:500;color:var(--text);display:flex;align-items:baseline;gap:8px;}
.c-name em{font-style:normal;font-size:12px;color:var(--muted);font-weight:400;}
.c-state{display:flex;align-items:center;justify-content:center;min-height:30px;}
.state{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:26px;
  height:26px;
  border-radius:50%;
}
.state--on{background:rgba(47,122,107,.12);color:var(--teal);}
.state--on svg{width:14px;height:14px;}
.state--off{background:rgba(22,48,43,.05);}
.dash{display:block;width:12px;height:2px;border-radius:2px;background:#B9C4C0;}
.c-num{
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.c-num--text{font-size:14px;font-weight:600;color:var(--teal);}
.compare-note{
  margin-top:16px;
  font-size:13px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:8px;
}
.compare-note i{color:var(--brand);}

/* ---------- Rules points ---------- */
.rules-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin-top:32px;
}
.rule-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--sh-sm);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.rule-item:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(232,106,44,.45);}
.rule-ico{
  width:44px;
  height:44px;
  border-radius:var(--r-sm);
  background:var(--brand-soft);
  color:var(--brand);
  display:grid;
  place-items:center;
  font-size:18px;
  margin-bottom:16px;
}
.rule-item h4{font-size:17px;font-weight:600;margin-bottom:8px;}
.rule-item p{font-size:14px;line-height:1.7;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-acc{margin-top:32px;}
.faq-acc .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:#fff;
  overflow:hidden;
  margin-bottom:12px;
  box-shadow:var(--sh-sm);
}
.faq-acc .accordion-item:last-child{margin-bottom:0;}
.faq-acc .accordion-button{
  display:flex;
  align-items:center;
  gap:14px;
  width:100%;
  min-height:64px;
  padding:16px 20px;
  background:#fff;
  color:var(--text);
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  box-shadow:none;
  border:0;
  border-radius:0;
  transition:color .18s ease,background .18s ease;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand-dark);background:#fff;}
.faq-acc .accordion-button:focus{box-shadow:none;outline:none;}
.faq-acc .accordion-button:focus-visible{outline:2px solid var(--brand);outline-offset:-2px;}
.faq-acc .accordion-button::after{display:none;}
.faq-acc .accordion-body{
  padding:0 20px 20px 62px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
}
.faq-no{
  flex:none;
  width:28px;
  height:28px;
  border-radius:50%;
  background:var(--grad);
  color:#fff;
  font-size:12px;
  font-weight:700;
  display:grid;
  place-items:center;
  letter-spacing:0;
}
.faq-q{flex:1;text-align:left;}
.faq-icon{
  position:relative;
  flex:none;
  width:28px;
  height:28px;
  border-radius:50%;
  border:1.5px solid var(--brand);
  transition:transform .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--brand);
  border-radius:2px;
}
.faq-icon::before{width:12px;height:2px;left:6.5px;top:11.5px;}
.faq-icon::after{width:2px;height:12px;left:11.5px;top:6.5px;}
.accordion-button[aria-expanded="true"] .faq-icon{transform:rotate(45deg);}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  border:1px solid rgba(242,145,63,.28);
  border-radius:var(--r-lg);
  padding:48px 40px;
  display:grid;
  grid-template-columns:1.4fr auto;
  align-items:center;
  gap:32px;
  box-shadow:var(--sh-lg);
}
.cta-card::before{
  content:"";
  position:absolute;
  top:-120px;
  right:-80px;
  width:320px;
  height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(242,145,63,.34) 0%,rgba(242,145,63,0) 70%);
  pointer-events:none;
}
.cta-card h2{
  position:relative;
  color:#fff;
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.35;
  font-weight:700;
}
.cta-card p{
  position:relative;
  margin-top:12px;
  color:#C9D6D2;
  font-size:15px;
  line-height:1.8;
  max-width:560px;
}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;
  background:var(--ink);
  color:#C9D6D2;
  padding:64px 0 0;
  margin-top:88px;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:var(--grad);
}
.footer-top{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:48px;
}
.site-footer .brand{margin-bottom:14px;}
.site-footer .brand-name{color:#fff;}
.f-brand p{
  font-size:14px;
  line-height:1.8;
  color:#C9D6D2;
  max-width:230px;
  margin-bottom:16px;
}
.site-footer .badge-pill{
  background:rgba(242,145,63,.14);
  color:#F2913F;
}
.f-col h5{
  font-size:13px;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--brand);
  margin-bottom:16px;
}
.f-col ul{display:grid;gap:10px;}
.f-col ul a{font-size:14px;color:#C9D6D2;}
.f-col ul a:hover{color:var(--brand);}
.f-line{display:flex;align-items:center;gap:10px;font-size:14px;color:#C9D6D2;line-height:1.6;}
.f-line i{color:var(--brand);width:16px;text-align:center;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 28px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 28px;
  font-size:13px;
  color:#94A8A3;
}
.footer-bottom a{color:#C9D6D2;}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .48s cubic-bezier(.2,.7,.3,1),transform .48s cubic-bezier(.2,.7,.3,1);}
.reveal.in{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .container{padding-left:24px;padding-right:24px;}
  .nav-link-x{padding:0 9px;font-size:14px;}
  .nav-link-x::after{left:9px;right:9px;}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:28px;}
  .f-col:nth-child(4){display:none;}
}
@media (max-width:991.98px){
  .header-inner{height:64px;}
  .nav-left,.nav-right{display:none;}
  .nav-toggle{display:flex;}
  .section{padding:64px 0;}
  .site-footer{margin-top:64px;}
  .page-head{padding:32px 0 44px;}
  .card-grid{grid-template-columns:1fr;}
  .rules-grid{grid-template-columns:repeat(2,1fr);}
  .cta-card{grid-template-columns:1fr;padding:40px 28px;text-align:center;}
  .cta-actions{justify-content:center;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .f-col:nth-child(4){display:block;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:48px 0;}
  .site-footer{margin-top:48px;padding-top:56px;}
  .page-head h1{font-size:clamp(26px,7vw,34px);}
  .page-sub{font-size:16px;margin-top:12px;}
  .head-stats{gap:12px 20px;margin-top:22px;}
  .stat b{font-size:22px;}
  .stat span{font-size:11px;}
  .btn-grad,.btn-ghost,.btn-ink,.btn-light,.btn-outline-light{height:48px;font-size:15px;padding:0 22px;}
  .cta-actions{flex-direction:column;width:100%;}
  .cta-actions a{width:100%;}
  .compare-row{grid-template-columns:repeat(3,1fr);row-gap:8px;padding:14px 18px;}
  .compare-row .c-name{grid-column:1/-1;font-weight:600;font-size:15px;}
  .compare-row--head{padding:10px 18px;}
  .compare-row--head .c-name{display:none;}
  .compare-row--head .c-state{font-size:12px;}
  .faq-acc .accordion-body{padding-left:20px;}
  .footer-top{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .f-brand p{max-width:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:519.98px){
  .rules-grid{grid-template-columns:1fr;}
  .tall-card .body{padding:18px;}
  .rule-item{padding:18px;}
  .head-stats{gap:10px 14px;}
  .cta-card{padding:32px 18px;}
}
@media (max-width:420px){
  .head-stats{justify-content:flex-start;}
  .stat{gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}