/* roulang page: index */
:root{
  --primary:#3A2C63;
  --primary-dark:#241B3E;
  --primary-light:#EFEAF7;
  --teal:#12A594;
  --teal-dark:#0D7F72;
  --teal-light:#E4F5F2;
  --orange:#D9542B;
  --bg:#FAF7F2;
  --bg-alt:#F2ECE3;
  --card:#FFFFFF;
  --dark:#221A38;
  --text:#1E1A28;
  --text-2:#6A6478;
  --text-3:#9A93A5;
  --border:#E5DFD5;
  --line:#EDE7DE;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(34,26,56,.06);
  --sh-2:0 12px 30px rgba(34,26,56,.13);
  --sh-nav:0 6px 24px rgba(34,26,56,.10);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",ui-sans-serif,Inter,Roboto,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-size .2s ease;}
button{font-family:inherit;}
h1,h2,h3,h4{font-weight:600;letter-spacing:-.01em;color:var(--text);margin:0;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (max-width:1399.98px){.container{max-width:1160px;}}
@media (max-width:1199.98px){.container{max-width:960px;}}
@media (max-width:991.98px){.container{max-width:100%;}}
@media (max-width:991.98px){.row{--bs-gutter-x:20px;}}
@media (max-width:575.98px){.row{--bs-gutter-x:16px;}}

/* ---------- 导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1030;}
.site-header::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(250,247,242,.14);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.22);
  box-shadow:0 6px 24px rgba(34,26,56,.10);
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled::before{
  background:rgba(250,247,242,.96);
  border-bottom-color:var(--border);
  box-shadow:var(--sh-nav);
}
.nav-inner{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:600;color:#fff;transition:color .2s ease;}
.site-header.is-scrolled .brand{color:var(--primary-dark);}
.brand-mark{
  width:24px;height:24px;border-radius:7px;flex-shrink:0;
  background:linear-gradient(135deg,var(--teal) 0%,var(--primary) 100%);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;left:8px;top:8px;width:8px;height:8px;
  border-radius:2px;background:rgba(255,255,255,.92);
}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{
  position:relative;
  font-size:15px;
  color:rgba(255,255,255,.86);
  padding:6px 2px;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--teal);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.site-header.is-scrolled .nav-links a{color:var(--text-2);}
.nav-links a:hover{color:#fff;}
.site-header.is-scrolled .nav-links a:hover,
.site-header.is-scrolled .nav-links a.active{color:var(--primary);}
.nav-links a.active{color:#fff;}
.nav-links a:hover::after,
.nav-links a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,255,255,.28);
  background:transparent;color:#fff;
  display:grid;place-items:center;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.16);}
.site-header.is-scrolled .icon-btn{background:#fff;border-color:var(--border);color:var(--text-2);}
.site-header.is-scrolled .icon-btn:hover{border-color:var(--teal);color:var(--teal-dark);}
.nav-toggle{
  display:none;
  width:40px;height:40px;border-radius:10px;
  border:1px solid rgba(255,255,255,.28);
  background:transparent;color:#fff;
  place-items:center;cursor:pointer;
}
.site-header.is-scrolled .nav-toggle{border-color:var(--border);color:var(--primary);background:#fff;}
.btn-primary-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  background:var(--teal);color:#fff;border:1px solid var(--teal);
  font-size:15px;font-weight:500;cursor:pointer;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary-cta:hover{
  background:var(--teal-dark);border-color:var(--teal-dark);color:#fff;
  transform:translateY(-1px);box-shadow:0 8px 20px rgba(13,127,114,.24);
}
.btn-primary-cta:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  background:transparent;border:1px solid var(--primary);color:var(--primary);
  font-size:15px;font-weight:500;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:var(--primary);color:#fff;transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:grid;}
}
/* 移动抽屉 */
.m-nav{
  position:fixed;inset:0;z-index:1040;
  background:linear-gradient(160deg,#241B3E 0%,#3A2C63 100%);
  padding:22px 22px 28px;
  display:flex;flex-direction:column;
  transform:translateX(100%);visibility:hidden;
  transition:transform .28s ease,visibility .28s ease;
}
.m-nav.open{transform:translateX(0);visibility:visible;}
.m-nav-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.14);}
.m-nav-head span{color:#fff;font-size:18px;font-weight:600;}
.m-close{
  width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,255,255,.28);background:transparent;color:#fff;
  display:grid;place-items:center;cursor:pointer;font-size:18px;
}
.m-nav-links{display:flex;flex-direction:column;margin-top:12px;flex:1;}
.m-nav-links a{
  font-size:18px;line-height:56px;color:rgba(255,255,255,.9);
  border-bottom:1px solid rgba(255,255,255,.1);
}
.m-nav-links a.active{color:#7FE0D2;}
.m-cta{width:100%;height:50px;margin-top:20px;}
@media (min-width:992px){.m-nav{display:none;}}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:88vh;
  padding:150px 0 90px;
  display:flex;align-items:center;
  overflow:hidden;
  background:var(--primary-dark);
}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;}
.hero-bg::before{
  content:"";position:absolute;inset:0;z-index:1;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:3px 3px;opacity:.55;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;z-index:2;
  background:linear-gradient(105deg,rgba(36,27,62,.88) 0%,rgba(36,27,62,.64) 46%,rgba(36,27,62,.36) 100%);
}
.hero-inner{position:relative;z-index:3;width:100%;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(18,165,148,.18);
  border:1px solid rgba(18,165,148,.42);
  color:#8FE6D9;font-size:13px;letter-spacing:.04em;
  margin-bottom:22px;
}
.hero-eyebrow i{font-size:8px;}
.hero h1{
  font-size:48px;line-height:1.28;color:#fff;letter-spacing:-.01em;
  margin-bottom:18px;
}
.hero-sub{
  font-size:18px;line-height:1.85;color:rgba(255,255,255,.78);
  max-width:560px;margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.hero .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;}
.hero .btn-ghost:hover{background:#fff;color:var(--primary);border-color:#fff;}
.hero-stats{display:flex;flex-wrap:wrap;gap:18px 40px;}
.hero-stat{min-width:104px;}
.hero-stat b{display:block;font-size:28px;line-height:1.2;color:#6FE3D4;font-weight:600;}
.hero-stat span{display:block;font-size:14px;color:rgba(255,255,255,.62);margin-top:4px;}
.hero-visual{position:relative;}
.float-card{
  background:rgba(255,255,255,.97);
  border-radius:var(--r-card);
  padding:14px;
  box-shadow:var(--sh-2);
  transform:translateY(24px);
}
.float-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);background:var(--primary-light);}
.float-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 6px 4px;}
.float-status{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(18,165,148,.16);}
.float-tag{
  font-size:13px;color:var(--teal-dark);background:var(--teal-light);
  padding:4px 12px;border-radius:var(--r-pill);
}
.hero-scroll{
  position:absolute;left:50%;bottom:24px;transform:translateX(-50%);
  z-index:3;display:flex;flex-direction:column;align-items:center;gap:8px;
  color:rgba(255,255,255,.5);font-size:12px;letter-spacing:.08em;
}
.hero-scroll .line{width:1px;height:34px;background:linear-gradient(rgba(255,255,255,.5),transparent);}
@media (max-width:1199.98px){
  .hero h1{font-size:40px;}
}
@media (max-width:991.98px){
  .hero{min-height:auto;padding:124px 0 72px;}
  .hero h1{font-size:32px;}
  .hero-sub{font-size:16px;}
  .hero-visual{margin-top:36px;}
  .float-card{transform:none;}
  .hero-scroll{display:none;}
}
@media (max-width:575.98px){
  .hero h1{font-size:28px;}
  .hero-stat b{font-size:24px;}
}

/* ---------- 通用板块 ---------- */
.sec{padding:88px 0;}
.sec-alt{background:var(--bg-alt);}
.sec-white{background:#fff;}
.sec-head{margin-bottom:44px;}
.sec-tag{
  display:inline-block;
  font-size:12px;letter-spacing:.14em;font-weight:600;
  color:var(--teal-dark);text-transform:uppercase;
  margin-bottom:12px;
}
.sec-title{font-size:34px;line-height:1.3;margin-bottom:12px;}
.sec-desc{font-size:16px;color:var(--text-2);max-width:660px;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;color:var(--teal-dark);
  background-image:linear-gradient(var(--teal),var(--teal));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 2px;
  padding-bottom:2px;
}
.link-more:hover{background-size:100% 2px;color:var(--teal-dark);}
.link-more i{font-size:12px;transition:transform .2s ease;}
.link-more:hover i{transform:translateX(3px);}
@media (max-width:991.98px){
  .sec{padding:64px 0;}
  .sec-title{font-size:28px;}
}
@media (max-width:575.98px){
  .sec{padding:44px 0;}
  .sec-title{font-size:24px;}
}

/* ---------- 主张段 ---------- */
.claim{background:var(--bg-alt);padding:104px 0;}
.claim-grid{display:grid;grid-template-columns:5fr 1px 7fr;gap:48px;align-items:center;}
.claim-line{width:1px;height:100%;min-height:140px;background:var(--border);}
.claim-title{font-size:32px;line-height:1.4;}
.claim-list{display:flex;flex-direction:column;gap:18px;}
.claim-item{display:flex;gap:14px;align-items:flex-start;font-size:17px;color:var(--text-2);}
.claim-item .bar{width:4px;height:22px;border-radius:2px;background:var(--teal);flex-shrink:0;margin-top:8px;}
.claim-item strong{color:var(--text);font-weight:600;}
@media (max-width:991.98px){
  .claim{padding:64px 0;}
  .claim-grid{grid-template-columns:1fr;gap:28px;}
  .claim-line{display:none;}
  .claim-title{font-size:25px;}
}
@media (max-width:575.98px){
  .claim{padding:44px 0;}
  .claim-title{font-size:22px;}
}

/* ---------- 故事段 ---------- */
.story-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;}
.story-figure{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1);background:var(--primary-light);}
.story-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.story-item{display:flex;gap:18px;margin-bottom:28px;}
.story-item:last-child{margin-bottom:0;}
.story-num{
  font-size:20px;font-weight:600;color:var(--orange);
  line-height:1.5;flex-shrink:0;font-variant-numeric:tabular-nums;
}
.story-item h3{font-size:18px;margin-bottom:6px;}
.story-item p{font-size:15px;color:var(--text-2);line-height:1.8;margin:0;}
@media (max-width:991.98px){
  .story-grid{grid-template-columns:1fr;gap:32px;}
}

/* ---------- 精选内容卡 ---------- */
.feature-grid{display:grid;grid-template-columns:8fr 4fr;gap:24px;}
.card-base{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease;
  height:100%;
  display:block;
}
.card-base:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.thumb{overflow:hidden;background:var(--primary-light);}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.card-base:hover .thumb img{transform:scale(1.04);}
.big-card .thumb{aspect-ratio:16/10;}
.big-card .card-body{padding:26px 28px 28px;}
.big-card h3{font-size:22px;line-height:1.45;margin:14px 0 10px;}
.big-card p{font-size:15px;color:var(--text-2);margin:0;}
.badge-cat{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--teal-light);color:var(--teal-dark);
  font-size:13px;line-height:1.5;
  transition:box-shadow .2s ease;
}
.badge-cat:hover{box-shadow:inset 0 0 0 1px var(--teal);}
.mini-list{display:flex;flex-direction:column;gap:24px;}
.mini-card{display:flex;gap:16px;padding:16px;align-items:center;}
.mini-card .thumb{width:96px;height:72px;flex-shrink:0;border-radius:12px;}
.mini-card h4{font-size:16px;line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-meta{font-size:13px;color:var(--text-3);}
@media (max-width:991.98px){
  .feature-grid{grid-template-columns:1fr;}
  .big-card h3{font-size:20px;}
}

/* ---------- 最新信息 ---------- */
.post-card{display:block;height:100%;}
.post-thumb{aspect-ratio:16/10;}
.post-body{padding:20px 22px 22px;}
.post-body h3{
  font-size:19px;line-height:1.5;margin:12px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body p{
  font-size:15px;color:var(--text-2);line-height:1.8;margin:0 0 14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-time{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);min-width:88px;
}
.post-time .dot{width:6px;height:6px;border-radius:50%;background:var(--orange);display:inline-block;}
.empty-state{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  text-align:center;padding:64px 24px;
}
.empty-state i{font-size:44px;color:var(--primary-light);}
.empty-state h4{font-size:18px;margin:16px 0 6px;}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:20px;}

/* ---------- 深色信任段 ---------- */
.trust{background:var(--dark);color:#fff;padding:104px 0;}
.trust .sec-title{color:#fff;}
.trust .sec-tag{color:#7FE0D2;}
.trust .sec-desc{color:rgba(255,255,255,.66);}
.trust-stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(255,255,255,.12);
  border-bottom:1px solid rgba(255,255,255,.12);
  margin-top:8px;
}
.trust-stat{padding:34px 24px;border-right:1px solid rgba(255,255,255,.12);}
.trust-stat:last-child{border-right:0;}
.trust-stat b{display:block;font-size:36px;line-height:1.2;color:#6FE3D4;font-weight:600;}
.trust-stat span{display:block;font-size:14px;color:rgba(255,255,255,.62);margin-top:8px;}
.trust-sub{margin-top:56px;}
.trust-sub h3{font-size:16px;color:#fff;margin-bottom:18px;font-weight:500;}
.partner-row{display:flex;gap:14px;flex-wrap:wrap;}
.partner{
  height:56px;min-width:140px;padding:0 22px;
  border-radius:12px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  display:grid;place-items:center;
  font-size:14px;color:rgba(255,255,255,.5);
  opacity:.55;
  transition:opacity .24s ease,border-color .24s ease,color .24s ease;
}
.partner:hover{opacity:1;border-color:rgba(18,165,148,.6);color:#fff;}
@media (max-width:991.98px){
  .trust{padding:64px 0;}
  .trust-stats{grid-template-columns:repeat(2,1fr);}
  .trust-stat{border-bottom:1px solid rgba(255,255,255,.12);}
  .trust-stat:nth-child(2n){border-right:0;}
  .trust-stat:nth-last-child(-n+2){border-bottom:0;}
}
@media (max-width:767.98px){
  .partner-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:8px;}
  .partner{flex:0 0 auto;}
}
@media (max-width:575.98px){
  .trust{padding:44px 0;}
  .trust-stat b{font-size:28px;}
  .trust-stat{padding:24px 16px;}
}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start;}
.faq-col{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#D6CFC2;}
.faq-q{
  width:100%;background:none;border:0;text-align:left;
  padding:18px 22px;font-size:17px;font-weight:500;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  cursor:pointer;line-height:1.6;
}
.plus{position:relative;width:16px;height:16px;flex-shrink:0;}
.plus::before,.plus::after{
  content:"";position:absolute;background:var(--teal);border-radius:2px;
  transition:transform .24s ease,opacity .24s ease;
}
.plus::before{left:0;right:0;top:7px;height:2px;}
.plus::after{top:0;bottom:0;left:7px;width:2px;}
.faq-q[aria-expanded="true"] .plus::after{transform:scaleY(0);opacity:0;}
.faq-a{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--text-2);}
@media (max-width:767.98px){
  .faq-grid{grid-template-columns:1fr;gap:12px;}
}

/* ---------- CTA ---------- */
.cta-box{
  position:relative;overflow:hidden;
  background:#fff;border:1px solid var(--border);border-radius:24px;
  padding:48px;
}
.cta-box::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  opacity:.07;pointer-events:none;
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:6fr 6fr;gap:40px;align-items:center;}
.cta-inner h2{font-size:30px;line-height:1.35;margin-bottom:12px;}
.cta-inner p{font-size:16px;color:var(--text-2);}
.sub-form{display:flex;gap:12px;}
.form-input{
  flex:1;height:48px;padding:0 16px;
  border-radius:var(--r-btn);border:1px solid var(--border);
  background:var(--bg);font-size:15px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.form-input::placeholder{color:var(--text-3);}
.form-input:focus{outline:none;border-color:var(--teal);background:#fff;box-shadow:0 0 0 4px rgba(18,165,148,.14);}
.form-hint{font-size:13px;color:var(--text-3);margin-top:12px;line-height:1.7;}
@media (max-width:991.98px){
  .cta-box{padding:32px 24px;border-radius:20px;}
  .cta-inner{grid-template-columns:1fr;gap:24px;}
  .cta-inner h2{font-size:24px;}
  .sub-form{flex-direction:column;}
  .sub-form .btn-primary-cta{width:100%;}
}

/* ---------- 页脚 ---------- */
.footer{background:var(--dark);color:rgba(255,255,255,.66);padding:0 0 0;font-size:14px;}
.footer-top{
  border-top:1px solid rgba(255,255,255,.12);
  padding:56px 0 48px;
  display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:32px;
}
.footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer .f-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:600;margin-bottom:14px;}
.footer .f-brand .brand-mark{background:linear-gradient(135deg,var(--teal) 0%,#6FE3D4 100%);}
.footer p{color:rgba(255,255,255,.55);font-size:14px;line-height:1.85;margin:0;}
.footer a{display:block;line-height:2.2;color:rgba(255,255,255,.66);font-size:14px;}
.footer a:hover{color:#7FE0D2;}
.footer .f-mail{color:#7FE0D2;}
.footer-bottom{
  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:13px;color:rgba(255,255,255,.45);
}
@media (max-width:991.98px){
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 36px;}
}
@media (max-width:575.98px){
  .footer-top{grid-template-columns:1fr;gap:24px;}
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:1030;
  width:44px;height:44px;border-radius:50%;border:0;
  background:var(--primary);color:#fff;
  display:grid;place-items:center;cursor:pointer;
  opacity:0;visibility:hidden;
  box-shadow:var(--sh-2);
  transition:opacity .24s ease,visibility .24s ease,background .2s ease,transform .2s ease;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{background:var(--teal);transform:translateY(-2px);}

/* roulang page: article */
:root{
  --purple:#3A2C63;
  --purple-d:#241B3E;
  --purple-l:#EFEAF7;
  --teal:#12A594;
  --teal-d:#0D7F72;
  --teal-l:#E4F5F2;
  --orange:#D9542B;
  --bg:#FAF7F2;
  --bg-alt:#F2ECE3;
  --card:#FFFFFF;
  --dark:#221A38;
  --ink:#1E1A28;
  --ink-2:#6A6478;
  --ink-3:#9A93A5;
  --line:#E5DFD5;
  --line-2:#EDE7DE;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --sh-1:0 2px 8px rgba(34,26,56,.06);
  --sh-2:0 12px 30px rgba(34,26,56,.13);
  --sh-nav:0 6px 24px rgba(34,26,56,.10);
  --ease:240ms ease;
  --sec-y:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",ui-sans-serif,Inter,Roboto,Helvetica,Arial,sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--teal-d);text-decoration:none;transition:color var(--ease),background-size var(--ease);}
a:hover{color:var(--teal);}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:600;line-height:1.32;letter-spacing:-.01em;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 20px;
}
@media (max-width:1399px){.container{max-width:1160px;}}
@media (max-width:1199px){.container{max-width:960px;}}
@media (max-width:991px){.container{max-width:100%;}}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  background:rgba(250,247,242,.14);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.22);
  box-shadow:0 2px 14px rgba(34,26,56,.06);
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-solid{
  background:rgba(250,247,242,.96);
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-nav);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:600;
  color:#fff;
  white-space:nowrap;
  transition:color var(--ease);
}
.site-header.is-solid .brand{color:var(--purple);}
.brand-mark{
  width:24px;height:24px;
  border-radius:7px;
  background:linear-gradient(135deg,var(--teal) 0%,var(--purple) 100%);
  box-shadow:0 2px 6px rgba(34,26,56,.18);
  flex:0 0 24px;
  position:relative;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:7px;
  border-radius:2px;
  background:rgba(255,255,255,.85);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  list-style:none;
  margin-left:auto;
}
.nav-links a{
  display:inline-block;
  padding:8px 14px;
  font-size:15px;
  font-weight:500;
  color:rgba(255,255,255,.88);
  border-radius:var(--r-btn);
  background-image:linear-gradient(var(--teal),var(--teal));
  background-repeat:no-repeat;
  background-size:0 2px;
  background-position:50% calc(100% - 6px);
  transition:color var(--ease),background-size var(--ease),background-color var(--ease);
}
.nav-links a:hover{color:#fff;background-size:24px 2px;}
.nav-links a.active{background-size:24px 2px;}
.site-header.is-solid .nav-links a{color:var(--ink-2);}
.site-header.is-solid .nav-links a:hover{color:var(--purple);}
.site-header.is-solid .nav-links a.active{color:var(--purple);}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:8px;
}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.32);
  background:rgba(255,255,255,.10);
  color:#fff;
  cursor:pointer;
  transition:all var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.22);}
.site-header.is-solid .icon-btn{
  border-color:var(--line);
  background:#fff;
  color:var(--purple);
}
.site-header.is-solid .icon-btn:hover{border-color:var(--teal);color:var(--teal);}
.btn-primary-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 20px;
  border-radius:var(--r-btn);
  background:var(--teal);
  color:#fff;
  font-size:15px;
  font-weight:500;
  border:1px solid transparent;
  box-shadow:0 4px 14px rgba(18,165,148,.24);
  transition:all var(--ease);
}
.btn-primary-cta:hover{
  background:var(--teal-d);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 8px 20px rgba(18,165,148,.30);
}
.btn-primary-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.32);
  background:rgba(255,255,255,.12);
  color:#fff;
  cursor:pointer;
}
.site-header.is-solid .nav-toggle{border-color:var(--line);background:#fff;color:var(--purple);}

/* 移动抽屉 */
.nav-drawer{
  position:fixed;
  inset:0;
  z-index:1200;
  background:rgba(36,27,62,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  padding:28px 24px 32px;
  display:flex;
  flex-direction:column;
  transform:translateY(-100%);
  opacity:0;
  pointer-events:none;
  transition:transform 280ms ease,opacity 280ms ease;
}
.nav-drawer.open{transform:translateY(0);opacity:1;pointer-events:auto;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head .brand{color:#fff;}
.drawer-close{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.28);
  background:transparent;
  color:#fff;
  font-size:18px;
  cursor:pointer;
}
.drawer-links{list-style:none;display:flex;flex-direction:column;margin-top:8px;}
.drawer-links a{
  display:block;
  font-size:18px;
  line-height:56px;
  color:rgba(255,255,255,.92);
  border-bottom:1px solid rgba(255,255,255,.12);
}
.drawer-links a.active{color:#7FE3D8;}
.drawer-cta{margin-top:auto;display:flex;}
.drawer-cta .btn-primary-cta{width:100%;height:48px;font-size:16px;}

/* ============ 页头 ============ */
.page-head{
  position:relative;
  background:var(--bg-alt);
  padding:112px 0 44px;
  border-bottom:1px solid var(--line-2);
  overflow:hidden;
}
.page-head::after{
  content:"";
  position:absolute;
  right:-120px;top:-80px;
  width:360px;height:360px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(18,165,148,.12) 0%,rgba(18,165,148,0) 70%);
  pointer-events:none;
}
.breadcrumb-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--ink-3);
  margin-bottom:18px;
}
.breadcrumb-row a{color:var(--ink-2);}
.breadcrumb-row a:hover{color:var(--teal-d);}
.breadcrumb-row .sep{color:var(--line);}
.breadcrumb-row .cur{color:var(--ink-3);}
.page-head h1{
  font-size:36px;
  max-width:900px;
  margin-bottom:18px;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:var(--ink-2);
}
.badge-cat{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:var(--teal-l);
  color:var(--teal-d);
  font-size:13px;
  font-weight:500;
}
.badge-time{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:#F2ECE3;
  color:var(--ink-2);
  font-size:13px;
}
.dot{width:6px;height:6px;border-radius:50%;background:var(--orange);display:inline-block;}

/* ============ 正文布局 ============ */
.article-section{
  padding:56px 0 var(--sec-y);
}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:48px;
  align-items:start;
}
@media (max-width:1199px){
  .article-layout{grid-template-columns:1fr;gap:40px;}
}
.article-main{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:40px 44px 44px;
  min-width:0;
}
@media (max-width:991px){.article-main{padding:28px 22px 32px;}}
.article-hero-img{
  border-radius:var(--r-img);
  overflow:hidden;
  margin-bottom:28px;
  background:var(--purple-l);
}
.article-hero-img img{width:100%;aspect-ratio:16/10;object-fit:cover;}

.article-body{font-size:17px;line-height:1.9;color:var(--ink);word-wrap:break-word;overflow-wrap:break-word;}
.article-body>*+*{margin-top:1.2em;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:24px;
  margin:2em 0 .7em;
  padding-left:12px;
  border-left:4px solid var(--teal);
  line-height:1.35;
}
.article-body h3{
  font-size:19px;
  font-weight:600;
  margin:1.7em 0 .6em;
}
.article-body h4{font-size:17px;margin:1.4em 0 .5em;}
.article-body a{
  color:var(--teal-d);
  background-image:linear-gradient(var(--teal),var(--teal));
  background-repeat:no-repeat;
  background-size:0 2px;
  background-position:0 100%;
  padding-bottom:1px;
  transition:background-size var(--ease),color var(--ease);
}
.article-body a:hover{color:var(--teal);background-size:100% 2px;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em;}
.article-body li{margin-bottom:.5em;}
.article-body ul>li{list-style:none;position:relative;padding-left:18px;}
.article-body ul>li::before{
  content:"";
  position:absolute;
  left:0;top:.75em;
  width:6px;height:6px;
  border-radius:2px;
  background:var(--teal);
}
.article-body ol{counter-reset:li;list-style:none;padding-left:0;}
.article-body ol>li{
  counter-increment:li;
  position:relative;
  padding-left:36px;
}
.article-body ol>li::before{
  content:counter(li);
  position:absolute;
  left:0;top:.45em;
  width:22px;height:22px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--teal-l);
  color:var(--teal-d);
  font-size:12px;
  font-weight:600;
  line-height:1;
}
.article-body blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  background:var(--teal-l);
  border-left:4px solid var(--teal);
  border-radius:0 var(--r-btn) var(--r-btn) 0;
  color:var(--ink-2);
  font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:var(--r-img);
  margin:20px 0;
  box-shadow:var(--sh-1);
}
.article-body figure{margin:20px 0;}
.article-body figcaption{
  font-size:13px;
  color:var(--ink-3);
  text-align:center;
  margin-top:10px;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  font-size:15px;
  margin:1.6em 0;
}
.article-body thead th{
  background:var(--purple-l);
  color:var(--purple);
  font-weight:600;
  text-align:left;
  padding:12px 14px;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.article-body tbody td{
  padding:12px 14px;
  border-bottom:1px solid var(--line-2);
}
.article-body tbody tr:nth-child(even){background:#FBF8F4;}
.article-body pre{
  background:#F4F1EC;
  border-radius:12px;
  padding:18px 20px;
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
  border:1px solid var(--line-2);
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  font-size:.92em;
  background:#F4F1EC;
  padding:2px 6px;
  border-radius:5px;
  color:var(--purple);
}
.article-body pre code{background:none;padding:0;color:var(--ink);}
.article-body hr{border:none;border-top:1px solid var(--line-2);margin:2em 0;}

/* 空态 */
.empty-state{
  text-align:center;
  padding:64px 20px;
}
.empty-state i{
  font-size:48px;
  color:var(--ink-3);
  margin-bottom:18px;
  display:block;
}
.empty-state .t{font-size:19px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.empty-state .s{font-size:15px;color:var(--ink-2);margin-bottom:24px;}
.btn-secondary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 20px;
  border-radius:var(--r-btn);
  border:1px solid var(--purple);
  color:var(--purple);
  background:transparent;
  font-size:15px;
  font-weight:500;
  transition:all var(--ease);
}
.btn-secondary:hover{background:var(--purple);color:#fff;}

/* 标签行 */
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:36px;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  background:#FBF8F4;
  border:1px solid var(--line);
  color:var(--ink-2);
  font-size:13px;
  transition:all var(--ease);
}
.tag:hover{border-color:var(--teal);color:var(--teal-d);}

/* 侧栏 */
.article-side{
  display:flex;
  flex-direction:column;
  gap:24px;
  position:sticky;
  top:96px;
}
@media (max-width:1199px){
  .article-side{position:static;top:auto;}
}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:22px;
}
.side-title{
  font-size:15px;
  font-weight:600;
  color:var(--purple);
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-title::before{
  content:"";
  width:4px;height:14px;
  border-radius:2px;
  background:var(--teal);
}
.toc-list{list-style:none;}
.toc-list li{margin-bottom:2px;}
.toc-list a{
  display:block;
  padding:9px 12px;
  font-size:14px;
  color:var(--ink-2);
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  transition:all var(--ease);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.toc-list a:hover{color:var(--teal-d);background:#FBF8F4;}
.toc-list a.current{
  color:var(--purple);
  font-weight:500;
  border-left-color:var(--teal);
  background:var(--purple-l);
}
.related-item{
  display:flex;
  gap:12px;
  padding:12px 0;
  border-bottom:1px solid var(--line-2);
}
.related-item:last-child{border-bottom:none;padding-bottom:0;}
.related-item:first-child{padding-top:0;}
.related-item .thumb{
  width:80px;
  height:60px;
  flex:0 0 80px;
  border-radius:10px;
  overflow:hidden;
  background:var(--purple-l);
}
.related-item .thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.related-item:hover .thumb img{transform:scale(1.06);}
.related-item .rt{
  font-size:14px;
  line-height:1.5;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-item:hover .rt{color:var(--teal-d);}
.related-item .rm{
  font-size:12px;
  color:var(--ink-3);
  margin-top:6px;
}

/* 底部相关推荐 */
.bottom-block{
  margin-top:var(--sec-y);
}
.sec-head{
  margin-bottom:28px;
}
.sec-tag{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--teal);
  text-transform:uppercase;
  margin-bottom:10px;
}
.sec-head h2{
  font-size:30px;
  margin-bottom:10px;
}
.sec-head p{font-size:15px;color:var(--ink-2);max-width:640px;}
.rec-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
@media (max-width:991px){.rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:575px){.rec-grid{grid-template-columns:1fr;}}
.rec-card{
  display:block;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rec-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:#D9D2C6;
}
.rec-card .cover{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--purple-l);
}
.rec-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.rec-card:hover .cover img{transform:scale(1.04);}
.rec-card .body{padding:20px;}
.rec-card h3{
  font-size:18px;
  line-height:1.45;
  margin:10px 0 8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rec-card p{
  font-size:14px;
  color:var(--ink-2);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rec-card .more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:14px;
  font-size:14px;
  color:var(--teal-d);
}
.rec-card:hover .more i{transform:translateX(4px);}
.rec-card .more i{transition:transform var(--ease);}

.back-row{margin-top:32px;}

/* FAQ */
.faq-section{
  background:var(--bg-alt);
  padding:var(--sec-y) 0;
}
.faq-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
@media (max-width:991px){.faq-grid{grid-template-columns:1fr;}}
.faq-col{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color var(--ease);
}
.faq-item:hover{border-color:#D9D2C6;}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  background:none;
  border:none;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
}
.faq-q .sign{
  flex:0 0 22px;
  width:22px;height:22px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--teal-l);
  color:var(--teal-d);
  font-size:13px;
  transition:transform var(--ease),background var(--ease),color var(--ease);
}
.faq-item.open .faq-q .sign{transform:rotate(180deg);background:var(--teal);color:#fff;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 280ms ease;
}
.faq-a-inner{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
}

/* CTA */
.cta-section{padding:0 0 var(--sec-y);}
.cta-box{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:24px;
  padding:44px 48px;
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:32px;
  align-items:center;
  overflow:hidden;
  box-shadow:var(--sh-1);
}
@media (max-width:991px){.cta-box{grid-template-columns:1fr;padding:32px 24px;}}
.cta-box::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  opacity:.08;
  pointer-events:none;
}
.cta-box>*{position:relative;}
.cta-box h2{font-size:28px;margin-bottom:12px;}
.cta-box p{font-size:15px;color:var(--ink-2);}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
@media (max-width:991px){.cta-actions{justify-content:flex-start;}}

/* 返回顶部 */
.back-top{
  position:fixed;
  right:24px;
  bottom:24px;
  width:44px;height:44px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--purple);
  box-shadow:var(--sh-2);
  cursor:pointer;
  opacity:0;
  pointer-events:none;
  transition:opacity var(--ease),transform var(--ease);
  z-index:900;
}
.back-top.show{opacity:1;pointer-events:auto;}
.back-top:hover{transform:translateY(-3px);color:var(--teal-d);}

/* 页脚 */
.footer{
  background:var(--dark);
  color:rgba(255,255,255,.78);
  padding:64px 0 0;
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:44px;
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:44px;
}
@media (max-width:991px){.footer-top{grid-template-columns:1fr 1fr;}}
@media (max-width:575px){.footer-top{grid-template-columns:1fr;}}
.footer h4{
  color:#fff;
  font-size:15px;
  margin-bottom:16px;
  font-weight:600;
}
.footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);}
.footer a{
  display:block;
  font-size:14px;
  color:rgba(255,255,255,.78);
  padding:6px 0;
  transition:color var(--ease),padding-left var(--ease);
}
.footer a:hover{color:#7FE3D8;padding-left:4px;}
.f-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:600;
  color:#fff;
  margin-bottom:14px;
}
.f-brand .brand-mark{width:22px;height:22px;flex:0 0 22px;}
.f-mail{display:inline-block;color:#7FE3D8 !important;font-weight:500;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  padding:18px 0 26px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:var(--ink-3);
}
@media (max-width:767px){
  .page-head{padding:96px 0 32px;}
  .page-head h1{font-size:28px;}
  .article-section{padding:40px 0 56px;}
  .section{padding:44px 0;}
  .sec-head h2{font-size:24px;}
  .cta-box h2{font-size:22px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:20px;}
  .article-body h3{font-size:17px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
}
@media (max-width:991px){
  .nav-links,.nav-actions .icon-btn,.nav-actions .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-links{display:none;}
}

/* roulang page: category1 */
:root{
  --ink:#1E1A28;
  --ink-2:#6A6478;
  --ink-3:#9A93A5;
  --purple:#3A2C63;
  --purple-d:#241B3E;
  --purple-l:#EFEAF7;
  --teal:#12A594;
  --teal-d:#0D7F72;
  --teal-l:#E4F5F2;
  --orange:#D9542B;
  --bg:#FAF7F2;
  --bg-alt:#F2ECE3;
  --card:#FFFFFF;
  --dark:#221A38;
  --line:#E5DFD5;
  --line-2:#EDE7DE;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(34,26,56,.06);
  --sh-2:0 12px 30px rgba(34,26,56,.13);
  --sh-nav:0 6px 24px rgba(34,26,56,.10);
  --sec:88px;
  --gutter:24px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",ui-sans-serif,Inter,Roboto,sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block;}
a{color:var(--teal-d);text-decoration:none;background-image:linear-gradient(var(--teal),var(--teal));background-repeat:no-repeat;background-size:0 2px;background-position:0 100%;transition:background-size .24s ease,color .2s ease;}
a:hover{background-size:100% 2px;color:var(--teal-d);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{font-weight:600;line-height:1.32;letter-spacing:-.01em;margin:0;}
p{margin:0;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 20px;
}
@media (max-width:1399px){.container{max-width:1160px;}}
@media (max-width:1199px){.container{max-width:960px;}}
@media (max-width:991px){.container{max-width:100%;}}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  --nav-fg:#FFFFFF;
  background:rgba(250,247,242,.14);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.22);
  box-shadow:0 6px 24px rgba(34,26,56,.08);
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.scrolled{
  background:rgba(250,247,242,.96);
  border-bottom-color:var(--line);
  box-shadow:var(--sh-nav);
  --nav-fg:var(--purple);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:600;
  color:var(--nav-fg);
  background-image:none;
  white-space:nowrap;
  transition:color .2s ease;
}
.brand:hover{background-size:0 0;color:var(--nav-fg);}
.brand-mark{
  width:24px;height:24px;
  border-radius:7px;
  background:linear-gradient(135deg,var(--teal) 0%,var(--purple) 100%);
  box-shadow:0 2px 6px rgba(34,26,56,.22);
  flex:0 0 auto;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
}
.nav-links a{
  font-size:15px;
  font-weight:500;
  color:var(--nav-fg);
  padding:6px 0;
  background-image:linear-gradient(var(--teal),var(--teal));
  background-repeat:no-repeat;
  background-size:0 2px;
  background-position:0 calc(100% - 0px);
  transition:background-size .24s ease,color .2s ease;
}
.nav-links a:hover{background-size:100% 2px;color:var(--nav-fg);}
.nav-links a.active{background-size:100% 2px;background-image:linear-gradient(var(--teal),var(--teal));}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.34);
  background:rgba(255,255,255,.10);
  color:var(--nav-fg);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:all .2s ease;
}
.site-header.scrolled .icon-btn{border-color:var(--line);background:#fff;}
.icon-btn:hover{background:rgba(255,255,255,.22);}
.site-header.scrolled .icon-btn:hover{background:var(--purple-l);border-color:var(--teal);color:var(--teal-d);}
.btn-primary-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--r-btn);
  background:var(--teal);
  color:#fff;
  font-size:15px;
  font-weight:500;
  border:1px solid var(--teal);
  background-image:none;
  transition:all .2s ease;
}
.btn-primary-cta:hover{background:var(--teal-d);border-color:var(--teal-d);color:#fff;transform:translateY(-1px);background-size:0 0;}
.btn-primary-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.34);
  background:rgba(255,255,255,.10);
  color:var(--nav-fg);
  cursor:pointer;
}
.site-header.scrolled .nav-toggle{border-color:var(--line);background:#fff;}

/* ============ 页头 ============ */
.pagehead{
  position:relative;
  min-height:380px;
  display:flex;
  align-items:flex-end;
  padding:132px 0 56px;
  background-image:
    linear-gradient(115deg,rgba(36,27,62,.80) 0%,rgba(36,27,62,.46) 62%,rgba(36,27,62,.36) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.pagehead::after{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:4px 4px;
  opacity:.5;
  pointer-events:none;
}
.pagehead .container{position:relative;z-index:2;}
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(255,255,255,.76);
  margin-bottom:16px;
  flex-wrap:wrap;
}
.crumbs a{color:rgba(255,255,255,.88);background-image:linear-gradient(rgba(255,255,255,.8),rgba(255,255,255,.8));}
.crumbs a:hover{color:#fff;}
.crumbs .sep{opacity:.55;}
.crumbs .cur{color:rgba(255,255,255,.62);}
.pagehead h1{
  font-size:48px;
  margin-bottom:16px;
  text-shadow:0 2px 12px rgba(20,14,38,.32);
}
.pagehead .lead{
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.86);
  max-width:660px;
}
.pagehead .ph-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.ph-tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:13px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  color:rgba(255,255,255,.92);
}

/* ============ 通用板块 ============ */
.section{padding:var(--sec) 0;}
.section-alt{background:var(--bg-alt);}
.section-dark{background:var(--dark);color:#fff;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.sec-head .label{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--teal);
  margin-bottom:10px;
}
.sec-head h2{font-size:34px;}
.sec-head .desc{font-size:15px;color:var(--ink-2);margin-top:10px;max-width:620px;}
.sec-head .more{
  font-size:15px;
  color:var(--teal-d);
  white-space:nowrap;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.sec-head .more i{color:var(--orange);transition:transform .2s ease;}
.sec-head .more:hover i{transform:translateX(4px);}
.section-dark .sec-head h2{color:#fff;}
.section-dark .sec-head .desc{color:rgba(255,255,255,.66);}

/* ============ 主推卡 ============ */
.promo-card{
  display:grid;
  grid-template-columns:5fr 7fr;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:box-shadow .24s ease,transform .24s ease;
}
.promo-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.promo-media{position:relative;overflow:hidden;min-height:340px;}
.promo-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.promo-card:hover .promo-media img{transform:scale(1.04);}
.promo-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(34,26,56,0) 42%,rgba(34,26,56,.55) 100%);
}
.promo-body{padding:36px 38px;}
.promo-body .badge-teal{margin-bottom:14px;}
.promo-body h2{font-size:28px;margin-bottom:14px;}
.promo-body > p{color:var(--ink-2);font-size:16px;margin-bottom:22px;}
.point-list{display:flex;flex-direction:column;gap:14px;margin-bottom:28px;}
.point-list li{display:flex;gap:12px;font-size:15.5px;color:var(--ink);}
.point-list li i{
  color:var(--teal);
  font-size:15px;
  margin-top:6px;
  flex:0 0 auto;
}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.btn-solid{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-btn);
  background:var(--teal);color:#fff;
  font-size:15px;font-weight:500;
  border:1px solid var(--teal);
  background-image:none;
  transition:all .2s ease;
}
.btn-solid:hover{background:var(--teal-d);border-color:var(--teal-d);color:#fff;transform:translateY(-1px);background-size:0 0;}
.btn-solid:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-btn);
  background:transparent;color:var(--purple);
  font-size:15px;font-weight:500;
  border:1px solid var(--purple);
  background-image:none;
  transition:all .2s ease;
}
.btn-ghost:hover{background:var(--purple);color:#fff;background-size:0 0;}
.section-dark .btn-ghost{color:#fff;border-color:rgba(255,255,255,.44);}
.section-dark .btn-ghost:hover{background:#fff;color:var(--purple-d);}

.badge-teal{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;
  padding:5px 13px;
  border-radius:var(--r-pill);
  background:var(--teal-l);
  color:var(--teal-d);
  border:1px solid transparent;
  transition:border-color .2s ease;
}
.badge-teal:hover{border-color:var(--teal);}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;
  padding:5px 13px;
  border-radius:var(--r-pill);
  background:var(--bg-alt);
  color:var(--ink-2);
}
.badge-orange{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;
  padding:5px 13px;
  border-radius:var(--r-pill);
  background:rgba(217,84,43,.10);
  color:var(--orange);
}

/* ============ 两列大卡 ============ */
.dual-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gutter);}
.big-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  display:flex;
  flex-direction:column;
  transition:box-shadow .24s ease,transform .24s ease;
}
.big-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.big-card .cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--purple-l);}
.big-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.big-card:hover .cover img{transform:scale(1.04);}
.big-card .cover .tag-abs{
  position:absolute;top:14px;left:14px;
  background:rgba(255,255,255,.92);
  color:var(--purple);
  font-size:13px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  font-weight:500;
}
.big-card .body{padding:26px 26px 30px;display:flex;flex-direction:column;flex:1;}
.big-card h3{font-size:22px;margin-bottom:10px;}
.big-card .body > p{font-size:15px;color:var(--ink-2);margin-bottom:20px;}
.check-list{display:flex;flex-direction:column;gap:13px;}
.check-list li{display:flex;gap:11px;font-size:15px;line-height:1.7;}
.check-list li .ci{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:8px;
  background:var(--teal-l);
  color:var(--teal-d);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  margin-top:2px;
}
.check-list li b{font-weight:600;}

/* ============ 步骤条 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gutter);}
.step-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 22px;
  position:relative;
  box-shadow:var(--sh-1);
  transition:box-shadow .24s ease,transform .24s ease,border-color .2s ease;
}
.step-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-color:#DCD3E6;}
.step-num{
  font-size:32px;
  font-weight:600;
  color:var(--teal);
  line-height:1;
  letter-spacing:-.02em;
  margin-bottom:16px;
}
.step-card h3{font-size:18px;margin-bottom:10px;}
.step-card p{font-size:15px;color:var(--ink-2);line-height:1.78;}
.step-line{position:relative;}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.faq-col{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:0 22px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#DCD3E6;box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  font-size:17px;
  font-weight:600;
  padding:20px 40px 20px 0;
  position:relative;
  color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:0;top:50%;
  transform:translateY(-50%);
  color:var(--teal);
  font-size:22px;
  font-weight:400;
  line-height:1;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";}
.faq-item .ans{
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
  padding:0 0 22px;
  border-top:1px solid var(--line-2);
  padding-top:16px;
}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--dark);
  border-radius:24px;
  padding:52px 48px;
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:32px;
  align-items:center;
  position:relative;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.10);
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  opacity:.10;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:30px;color:#fff;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.72);font-size:16px;max-width:460px;}
.cta-band .btn-row{justify-content:flex-end;}
.cta-note{font-size:13px;color:rgba(255,255,255,.55);margin-top:14px;}

/* ============ 分类互链 ============ */
.cate-strip{
  border-top:1px solid var(--line);
  padding:44px 0 60px;
  background:var(--bg-alt);
}
.cate-strip h2{font-size:22px;margin-bottom:8px;}
.cate-strip .desc{font-size:15px;color:var(--ink-2);margin-bottom:22px;}
.pill-row{display:flex;flex-wrap:wrap;gap:12px;}
.pill-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 20px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  color:var(--ink);
  font-size:15px;
  font-weight:500;
  background-image:none;
  transition:all .2s ease;
}
.pill-link i{color:var(--teal);font-size:13px;}
.pill-link:hover{border-color:var(--teal);color:var(--teal-d);transform:translateY(-2px);box-shadow:var(--sh-1);background-size:0 0;}
.pill-link.is-current{background:var(--purple);border-color:var(--purple);color:#fff;}
.pill-link.is-current i{color:#fff;}

/* ============ 页脚 ============ */
.footer{background:var(--dark);color:rgba(255,255,255,.72);padding-top:64px;}
.footer-top{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:48px;
  padding-bottom:44px;
}
.footer-top h4{font-size:16px;color:#fff;margin-bottom:16px;}
.footer-top a{
  display:block;
  font-size:14.5px;
  color:rgba(255,255,255,.72);
  padding:6px 0;
  background-image:linear-gradient(var(--teal),var(--teal));
  background-repeat:no-repeat;
  background-size:0 2px;
  background-position:0 calc(100% - 4px);
  transition:background-size .24s ease,color .2s ease;
}
.footer-top a:hover{color:#fff;background-size:100% 2px;}
.footer-top p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);}
.f-brand{
  display:flex;align-items:center;gap:10px;
  font-size:18px;font-weight:600;color:#fff;margin-bottom:14px;
}
.f-mail{display:inline-block;color:var(--teal)!important;font-size:15px;margin-top:8px;}
.footer-bottom{
  display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;
  font-size:13px;
  color:var(--ink-3);
}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;
  right:24px;bottom:24px;
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--purple);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:var(--sh-1);
  cursor:pointer;
  opacity:0;
  pointer-events:none;
  transition:opacity .25s ease,transform .2s ease,box-shadow .2s ease;
  z-index:1040;
}
.to-top.show{opacity:1;pointer-events:auto;}
.to-top:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sec:64px;--gutter:20px;}
  .pagehead h1{font-size:36px;}
  .sec-head h2{font-size:28px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:991px){
  .site-header{background:rgba(250,247,242,.96);border-bottom-color:var(--line);--nav-fg:var(--purple);}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-links{
    position:fixed;
    top:72px;left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:rgba(250,247,242,.98);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
    box-shadow:var(--sh-nav);
    padding:8px 20px 18px;
    transform:translateY(-14px);
    opacity:0;
    visibility:hidden;
    transition:transform .24s ease,opacity .24s ease,visibility .24s;
  }
  .nav-links.open{transform:translateY(0);opacity:1;visibility:visible;}
  .nav-links a{
    color:var(--purple);
    font-size:18px;
    line-height:56px;
    border-bottom:1px solid var(--line-2);
    background-position:0 calc(100% - 18px);
  }
  .nav-links a:last-child{border-bottom:none;}
  .icon-btn{display:none;}
  .promo-card{grid-template-columns:1fr;}
  .promo-media{min-height:220px;aspect-ratio:16/10;}
  .dual-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px 28px;}
  .cta-band .btn-row{justify-content:flex-start;}
  .pagehead{min-height:320px;padding:120px 0 44px;}
}
@media (max-width:767px){
  :root{--sec:52px;--gutter:16px;}
  body{font-size:15px;}
  .pagehead h1{font-size:28px;}
  .pagehead .lead{font-size:15px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .sec-head h2{font-size:24px;}
  .promo-body{padding:26px 22px;}
  .promo-body h2{font-size:22px;}
  .steps{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;gap:26px;}
  .btn-solid,.btn-ghost{height:46px;padding:0 18px;width:100%;justify-content:center;}
  .btn-row{width:100%;}
  .nav-cta{height:40px;padding:0 14px;font-size:14px;}
  .brand{font-size:16px;}
}
@media (max-width:520px){
  .pagehead{padding-top:104px;}
  .ph-tag{font-size:12px;padding:5px 11px;}
  .cta-band h2{font-size:24px;}
}

/* roulang page: category2 */
:root{
  --ink:#3A2C63;
  --ink-deep:#241B3E;
  --ink-light:#EFEAF7;
  --teal:#12A594;
  --teal-deep:#0D7F72;
  --teal-light:#E4F5F2;
  --orange:#D9542B;
  --bg:#FAF7F2;
  --bg-alt:#F2ECE3;
  --card:#FFFFFF;
  --dark:#221A38;
  --text:#1E1A28;
  --text-2:#6A6478;
  --text-3:#9A93A5;
  --border:#E5DFD5;
  --line:#EDE7DE;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-1:0 2px 8px rgba(34,26,56,.06);
  --shadow-2:0 12px 30px rgba(34,26,56,.13);
  --shadow-nav:0 6px 24px rgba(34,26,56,.10);
  --gutter:24px;
  --section:88px;
  --h1:48px;
  --h2:34px;
  --h3:22px;
  --h4:18px;
  --body:17px;
  --small:14px;
  --tiny:13px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",ui-sans-serif,Inter,Roboto,sans-serif;
  font-size:var(--body);
  line-height:1.88;
  letter-spacing:.01em;
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease;}
a:hover{color:var(--teal-deep);}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.32;letter-spacing:-.01em;color:var(--ink-deep);}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:1200px){.container{max-width:1160px;}}
@media (min-width:1400px){.container{max-width:1240px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(250,247,242,.16);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.22);
  box-shadow:0 4px 18px rgba(34,26,56,.08);
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.scrolled{
  background:rgba(250,247,242,.96);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-nav);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:600;color:#fff;letter-spacing:.01em;}
.site-header.scrolled .brand{color:var(--ink-deep);}
.brand-mark{
  width:24px;height:24px;border-radius:7px;flex:0 0 24px;
  background:linear-gradient(135deg,var(--teal) 0%,var(--ink) 100%);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:3px;background:rgba(255,255,255,.85);
}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{
  font-size:15px;font-weight:500;color:rgba(255,255,255,.92);
  padding:6px 0;background-image:linear-gradient(var(--teal),var(--teal));
  background-repeat:no-repeat;background-size:0 2px;background-position:0 100%;
  transition:background-size .22s ease,color .2s ease;
}
.nav-links a:hover{background-size:100% 2px;color:#fff;}
.site-header.scrolled .nav-links a{color:var(--ink-deep);}
.site-header.scrolled .nav-links a:hover{color:var(--teal-deep);}
.nav-links a.active{background-size:100% 2px;color:#fff;}
.site-header.scrolled .nav-links a.active{color:var(--teal-deep);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.32);background:rgba(255,255,255,.12);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.site-header.scrolled .icon-btn{color:var(--ink);border-color:var(--border);background:#fff;}
.icon-btn:hover{background:rgba(255,255,255,.24);}
.site-header.scrolled .icon-btn:hover{border-color:var(--teal);color:var(--teal-deep);}
.btn-primary-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;border-radius:var(--radius-btn);
  background:var(--teal);color:#fff;font-size:15px;font-weight:500;
  border:1px solid transparent;transition:transform .18s ease,background .2s ease,box-shadow .2s ease;
}
.btn-primary-cta:hover{background:var(--teal-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-primary-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.32);background:rgba(255,255,255,.12);
  color:#fff;font-size:17px;align-items:center;justify-content:center;
}
.site-header.scrolled .nav-toggle{color:var(--ink);border-color:var(--border);background:#fff;}

/* ---------- 页头 ---------- */
.page-top{
  padding:112px 0 0;
  background:var(--bg-alt);
}
.crumb{
  display:flex;align-items:center;gap:8px;font-size:var(--small);color:var(--text-3);
  padding:16px 0 22px;flex-wrap:wrap;
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--teal-deep);}
.crumb span.sep{color:var(--text-3);}
.crumb .now{color:var(--text-3);}
.tag-label{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--teal-deep);
  font-weight:600;padding:5px 12px;border-radius:var(--radius-pill);background:var(--teal-light);
}

/* ---------- 主布局 3:9 ---------- */
.section{padding:var(--section) 0;}
.section-alt{background:var(--bg-alt);}
.layout-split{
  display:grid;grid-template-columns:300px 1fr;gap:56px;align-items:start;
  padding-bottom:var(--section);
}
.anchor-panel{
  position:sticky;top:96px;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:22px 20px;box-shadow:var(--shadow-1);
}
.anchor-panel h2{
  font-size:var(--tiny);letter-spacing:.16em;text-transform:uppercase;
  color:var(--text-3);font-weight:600;margin-bottom:14px;
}
.anchor-list li+li{margin-top:4px;}
.anchor-list a{
  display:block;padding:10px 12px 10px 14px;font-size:15px;color:var(--text-2);
  border-left:2px solid transparent;border-radius:0 8px 8px 0;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.anchor-list a:hover{color:var(--ink-deep);background:var(--ink-light);}
.anchor-list a.current{color:var(--teal-deep);border-left-color:var(--teal);background:var(--teal-light);font-weight:500;}
.anchor-note{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:var(--tiny);color:var(--text-3);line-height:1.8;
}

.main-col h1{font-size:var(--h1);margin-bottom:18px;}
.main-col .lead{font-size:17px;color:var(--text-2);max-width:680px;margin-bottom:36px;}
.block-title{font-size:var(--h2);margin:0 0 10px;}
.block-desc{font-size:15px;color:var(--text-2);margin-bottom:30px;max-width:640px;}

/* ---------- 步骤条 ---------- */
.steps{margin-top:8px;}
.step{
  position:relative;display:grid;grid-template-columns:66px 1fr;gap:22px;
  padding-bottom:34px;
}
.step::before{
  content:"";position:absolute;left:31px;top:46px;bottom:0;width:2px;background:var(--line);
}
.step:last-child{padding-bottom:0;}
.step:last-child::before{display:none;}
.step-num{
  font-size:32px;font-weight:600;color:var(--teal);line-height:1;
  padding-top:6px;font-variant-numeric:tabular-nums;
}
.step-body{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:22px 24px;box-shadow:var(--shadow-1);transition:transform .24s ease,box-shadow .24s ease;
}
.step-body:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.step-body h3{font-size:var(--h3);margin-bottom:8px;}
.step-body p{font-size:15px;color:var(--text-2);margin:0;}
.step-body ul{margin-top:12px;}
.step-body ul li{
  position:relative;padding-left:18px;font-size:14px;color:var(--text-2);line-height:1.85;
}
.step-body ul li::before{
  content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:2px;background:var(--teal);
}

/* ---------- 提示卡 ---------- */
.tips-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:44px;}
.tip-card{
  background:var(--teal-light);border-left:4px solid var(--teal);
  border-radius:4px var(--radius-card) var(--radius-card) 4px;
  padding:24px 26px;transition:box-shadow .24s ease,transform .24s ease;
}
.tip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.tip-card .tip-icon{
  width:38px;height:38px;border-radius:10px;background:#fff;color:var(--teal-deep);
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:14px;
}
.tip-card h3{font-size:var(--h4);margin-bottom:8px;}
.tip-card p{font-size:14px;color:var(--text-2);margin:0;line-height:1.85;}

/* ---------- 习惯清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 24px;margin-top:8px;}
.check-item{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:16px 18px;font-size:15px;color:var(--text-2);
  transition:border-color .2s ease,transform .2s ease;
}
.check-item:hover{border-color:var(--teal);transform:translateY(-3px);}
.check-item i{color:var(--teal);margin-top:5px;font-size:14px;}
.check-item strong{display:block;color:var(--ink-deep);font-size:15px;font-weight:600;margin-bottom:2px;}

/* ---------- FAQ ---------- */
.faq-list{margin-top:8px;}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#D6CFC2;}
.faq-item.open{border-color:var(--teal);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;text-align:left;cursor:pointer;
  padding:20px 22px;font-size:17px;font-weight:500;color:var(--ink-deep);line-height:1.6;
}
.faq-q .plus{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--border);color:var(--teal-deep);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;
  transition:transform .24s ease,background .2s ease,border-color .2s ease;
}
.faq-item.open .faq-q .plus{transform:rotate(180deg);background:var(--teal-light);border-color:var(--teal);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--text-2);margin:0;}

/* ---------- 继续浏览 ---------- */
.more-cats{
  background:var(--card);border:1px solid var(--border);border-radius:24px;
  padding:32px 34px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.more-cats h3{font-size:var(--h4);margin-bottom:6px;}
.more-cats p{font-size:14px;color:var(--text-3);margin:0;}
.pill-row{display:flex;gap:12px;flex-wrap:wrap;}
.pill-link{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;
  border-radius:var(--radius-pill);border:1px solid var(--border);background:var(--bg);
  font-size:15px;font-weight:500;color:var(--ink);
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
}
.pill-link:hover{border-color:var(--teal);color:var(--teal-deep);background:var(--teal-light);transform:translateY(-2px);}
.pill-link.is-now{background:var(--ink);border-color:var(--ink);color:#fff;}

/* ---------- 页脚 ---------- */
.footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0;}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;
  padding-bottom:44px;border-top:1px solid rgba(255,255,255,.12);padding-top:44px;
}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em;}
.footer a{display:block;color:rgba(255,255,255,.72);font-size:14px;padding:6px 0;transition:color .2s ease;}
.footer a:hover{color:#fff;}
.footer p{font-size:14px;color:rgba(255,255,255,.62);line-height:1.85;}
.f-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:600;color:#fff;margin-bottom:14px;}
.f-brand .brand-mark{background:linear-gradient(135deg,var(--teal) 0%,#6C5CA8 100%);}
.f-mail{color:#7FE3D6 !important;font-size:15px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  font-size:13px;color:var(--text-3);
}

/* ---------- 回到顶部 ---------- */
.back-top{
  position:fixed;right:26px;bottom:26px;width:44px;height:44px;border-radius:50%;
  background:var(--ink);color:#fff;border:0;display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,background .2s ease;z-index:1040;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{background:var(--teal-deep);}

/* ---------- 移动端 ---------- */
@media (max-width:1199px){
  :root{--h1:40px;--h2:30px;--h3:21px;--section:72px;}
  .layout-split{grid-template-columns:260px 1fr;gap:36px;}
}
@media (max-width:991px){
  :root{--h1:34px;--h2:26px;--h3:19px;--h4:17px;--body:16px;--section:60px;--gutter:20px;}
  .nav-links{
    position:fixed;top:72px;left:0;right:0;bottom:0;
    background:rgba(250,247,242,.985);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    flex-direction:column;align-items:stretch;gap:0;
    padding:14px 20px 90px;overflow-y:auto;
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:opacity .24s ease,transform .24s ease,visibility .24s;
    box-shadow:var(--shadow-nav);
  }
  .nav-links.open{transform:translateY(0);opacity:1;visibility:visible;}
  .nav-links a{
    color:var(--ink-deep) !important;font-size:18px;line-height:56px;
    border-bottom:1px solid var(--line);background-size:0 2px;
  }
  .nav-links a.active{color:var(--teal-deep) !important;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .page-top{padding-top:92px;}
  .layout-split{grid-template-columns:1fr;gap:28px;}
  .anchor-panel{position:static;padding:16px 14px;}
  .anchor-panel h2{margin-bottom:10px;}
  .anchor-list{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch;}
  .anchor-list li{flex:0 0 auto;}
  .anchor-list li+li{margin-top:0;}
  .anchor-list a{
    white-space:nowrap;border-left:0;border-radius:var(--radius-pill);
    border:1px solid var(--border);padding:8px 16px;font-size:14px;
  }
  .anchor-list a.current{border-color:var(--teal);}
  .anchor-note{display:none;}
  .tips-grid,.check-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:575px){
  :root{--h1:28px;--h2:24px;--h3:18px;--h4:16px;--body:15px;--section:46px;--gutter:16px;}
  .container{padding:0 16px;}
  .step{grid-template-columns:44px 1fr;gap:14px;}
  .step::before{left:21px;top:42px;}
  .step-num{font-size:26px;}
  .step-body{padding:18px 18px;}
  .more-cats{padding:24px 20px;border-radius:20px;}
  .footer-top{grid-template-columns:1fr;gap:24px;padding-top:34px;}
  .footer{padding-top:52px;}
  .faq-q{font-size:16px;padding:16px;}
  .faq-a p{padding:0 16px 18px;}
  .back-top{right:16px;bottom:16px;}
}

/* roulang page: category3 */
:root{
  --ink-purple:#3A2C63;
  --ink-purple-deep:#241B3E;
  --ink-purple-soft:#EFEAF7;
  --jade:#12A594;
  --jade-deep:#0D7F72;
  --jade-soft:#E4F5F2;
  --orange:#D9542B;
  --bg:#FAF7F2;
  --bg-alt:#F2ECE3;
  --card:#FFFFFF;
  --dark:#221A38;
  --text:#1E1A28;
  --text-2:#6A6478;
  --text-3:#9A93A5;
  --border:#E5DFD5;
  --divider:#EDE7DE;
  --radius-card:16px;
  --radius-lg:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-1:0 2px 8px rgba(34,26,56,.06);
  --shadow-2:0 12px 30px rgba(34,26,56,.13);
  --shadow-nav:0 6px 24px rgba(34,26,56,.10);
  --sec:88px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",ui-sans-serif,Inter,Roboto,sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  padding-top:72px;
}
h1,h2,h3,h4{font-weight:600;line-height:1.32;letter-spacing:-.01em;color:var(--ink-purple-deep);margin:0;}
p{margin:0 0 1.1em;}
a{color:var(--jade-deep);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--jade);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--jade);outline-offset:2px;border-radius:8px;}
::selection{background:var(--ink-purple-soft);color:var(--ink-purple-deep);}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:992px) and (max-width:1199px){.container{max-width:960px;}}
@media (min-width:1200px) and (max-width:1399px){.container{max-width:1160px;}}
@media (min-width:1400px){.container{max-width:1240px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:rgba(250,247,242,.88);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(229,223,213,.9);
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-scrolled{background:rgba(250,247,242,.96);box-shadow:var(--shadow-nav);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:600;color:var(--ink-purple-deep);white-space:nowrap;}
.brand:hover{color:var(--ink-purple-deep);}
.brand-mark{
  width:24px;height:24px;border-radius:7px;flex:0 0 24px;
  background:linear-gradient(135deg,var(--ink-purple) 0%,var(--jade) 100%);
  box-shadow:0 2px 6px rgba(58,44,99,.24);
}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-links a{
  display:inline-block;padding:8px 14px;font-size:15px;color:var(--text-2);
  background-image:linear-gradient(var(--jade),var(--jade));
  background-repeat:no-repeat;background-position:50% 100%;background-size:0 2px;
  transition:background-size .24s ease,color .2s ease;
}
.nav-links a:hover,.nav-links a.active{color:var(--ink-purple-deep);background-size:calc(100% - 28px) 2px;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--border);background:transparent;
  color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.icon-btn:hover{color:var(--jade-deep);border-color:var(--jade);background:var(--jade-soft);}
.btn-primary-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--jade);color:#fff;border:none;border-radius:var(--radius-btn);
  padding:11px 20px;font-size:15px;font-weight:500;line-height:1;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary-cta:hover{background:var(--jade-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(18,165,148,.24);}
.btn-primary-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-btn);
  border:1px solid var(--border);background:#fff;color:var(--ink-purple);
  align-items:center;justify-content:center;font-size:17px;
}
.nav-toggle:hover{border-color:var(--jade);color:var(--jade-deep);}

/* 移动抽屉 */
.nav-mask{position:fixed;inset:0;background:rgba(34,26,56,.42);opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:1050;}
.nav-mask.open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:1060;
  background:var(--bg);border-left:1px solid var(--border);
  transform:translateX(102%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:20px;
}
.nav-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--divider);}
.drawer-close{width:44px;height:44px;border-radius:var(--radius-btn);border:1px solid var(--border);background:#fff;color:var(--text-2);}
.drawer-links{display:flex;flex-direction:column;margin:12px 0 auto;}
.drawer-links a{font-size:18px;line-height:56px;color:var(--text);border-bottom:1px solid var(--divider);}
.drawer-links a.active{color:var(--jade-deep);font-weight:500;}

/* ---------- 页头 ---------- */
.page-hero{background:linear-gradient(180deg,#FAF7F2 0%,#F5F0E8 100%);padding:52px 0 40px;border-bottom:1px solid var(--divider);}
.breadcrumb-line{font-size:14px;color:var(--text-3);margin-bottom:16px;}
.breadcrumb-line a{color:var(--text-2);}
.breadcrumb-line a:hover{color:var(--jade-deep);}
.breadcrumb-line span{color:var(--text-3);}
.page-hero h1{font-size:48px;margin-bottom:14px;}
.hero-sub{font-size:17px;color:var(--text-2);max-width:760px;margin-bottom:24px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:var(--radius-pill);font-size:13px;line-height:1;
  background:#fff;border:1px solid var(--border);color:var(--text-2);
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
}
.chip:hover{border-color:var(--jade);color:var(--jade-deep);transform:translateY(-1px);}
.chip.active{background:var(--jade);border-color:var(--jade);color:#fff;}
.chip.active:hover{color:#fff;}

/* ---------- 状态条 ---------- */
.status-strip{padding:28px 0 0;}
.status-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:20px 24px;
  display:flex;align-items:center;gap:28px;flex-wrap:wrap;
}
.status-live{display:inline-flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2);flex:0 0 auto;}
.live-dot{width:9px;height:9px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 0 rgba(217,84,43,.5);animation:pulse 2s infinite;}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(217,84,43,.45);}
  70%{box-shadow:0 0 0 10px rgba(217,84,43,0);}
  100%{box-shadow:0 0 0 0 rgba(217,84,43,0);}
}
.status-facts{display:flex;flex:1 1 auto;flex-wrap:wrap;gap:12px 40px;justify-content:flex-start;}
.fact{min-width:120px;}
.fact b{display:block;font-size:22px;font-weight:600;color:var(--ink-purple);line-height:1.2;}
.fact span{font-size:13px;color:var(--text-3);}
.fact.ok b{color:var(--jade-deep);}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sec) 0 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.sec-label{display:block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--jade-deep);margin-bottom:10px;}
.sec-head h2{font-size:34px;position:relative;padding-left:16px;}
.sec-head h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--jade);}
.sec-head p{font-size:15px;color:var(--text-2);margin:10px 0 0;max-width:640px;}
.sec-link{font-size:15px;color:var(--jade-deep);white-space:nowrap;}
.sec-link i{margin-left:6px;font-size:12px;transition:transform .2s ease;display:inline-block;}
.sec-link:hover i{transform:translateX(3px);}

/* ---------- 横向卡带 ---------- */
.rail-wrap{position:relative;}
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 20px;margin:0 -4px;
  scrollbar-width:thin;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:var(--border);border-radius:999px;}
.rail::-webkit-scrollbar-track{background:transparent;}
.rail-card{
  flex:0 0 320px;scroll-snap-align:start;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#DBD3C7;}
.rail-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ink-purple-soft);}
.rail-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.rail-card:hover .rail-thumb img{transform:scale(1.04);}
.rail-body{padding:18px 20px 20px;}
.rail-body h3{font-size:19px;margin:10px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rail-body p{font-size:14px;color:var(--text-2);line-height:1.75;margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.badge-cat{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--radius-pill);
  background:var(--jade-soft);color:var(--jade-deep);font-size:13px;line-height:1;
}
.badge-time{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--radius-pill);
  background:var(--bg-alt);color:var(--text-2);font-size:13px;line-height:1;
}
.meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--text-3);}

/* ---------- 图文列表 ---------- */
.news-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 24px;}
.news-item{
  display:flex;gap:16px;padding:16px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#DBD3C7;}
.news-thumb{flex:0 0 120px;width:120px;height:96px;border-radius:12px;overflow:hidden;background:var(--ink-purple-soft);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.news-item:hover .news-thumb img{transform:scale(1.05);}
.news-text{min-width:0;flex:1 1 auto;display:flex;flex-direction:column;}
.news-text h3{font-size:17px;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-text h3 a{color:var(--ink-purple-deep);}
.news-text h3 a:hover{color:var(--jade-deep);}
.news-text p{font-size:14px;color:var(--text-2);line-height:1.7;margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-time{margin-top:auto;font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px;}
.news-time i{font-size:12px;color:var(--orange);}

/* ---------- 其它分类 ---------- */
.more-cats{margin-top:var(--sec);background:var(--bg-alt);padding:56px 0;border-radius:24px;}
.more-cats .container{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.more-cats h2{font-size:24px;margin-bottom:8px;}
.more-cats p{font-size:15px;color:var(--text-2);margin:0;}
.cat-pills{display:flex;flex-wrap:wrap;gap:12px;}
.cat-pill{
  display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--border);color:var(--ink-purple);font-size:15px;
  transition:border-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.cat-pill:hover{border-color:var(--jade);color:var(--jade-deep);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.cat-pill i{font-size:12px;color:var(--jade);}

/* ---------- 底部 CTA ---------- */
.back-cta{margin-top:var(--sec);text-align:center;padding:56px 24px;background:#fff;border:1px solid var(--border);border-radius:24px;}
.back-cta h2{font-size:28px;margin-bottom:12px;}
.back-cta p{font-size:16px;color:var(--text-2);max-width:620px;margin:0 auto 24px;}
.btn-outline{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-btn);border:1px solid var(--ink-purple);
  background:transparent;color:var(--ink-purple);font-size:15px;font-weight:500;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-outline:hover{background:var(--ink-purple);color:#fff;transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}

/* ---------- 页脚 ---------- */
.footer{margin-top:var(--sec);background:var(--dark);color:rgba(255,255,255,.72);padding-top:56px;}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px;
  padding:40px 0;border-top:1px solid rgba(255,255,255,.12);
}
.footer-top p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);margin-bottom:12px;}
.footer .f-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:600;margin-bottom:14px;}
.footer-top a{display:block;font-size:14px;color:rgba(255,255,255,.68);padding:6px 0;transition:color .2s ease,transform .2s ease;}
.footer-top a:hover{color:#fff;transform:translateX(3px);}
.footer .f-mail{color:var(--jade-soft);font-size:15px;}
.footer .f-mail:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;
  align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--border);background:#fff;color:var(--ink-purple);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-1);opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease,background .2s ease,transform .2s ease;z-index:1030;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{background:var(--ink-purple);color:#fff;transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .rail-card{flex:0 0 296px;}
}
@media (max-width:991px){
  body{font-size:16px;}
  .nav-links,.nav-actions .btn-primary-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .page-hero h1{font-size:36px;}
  .sec-head h2{font-size:28px;}
  .news-list{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:repeat(2,1fr);}
  :root{--sec:64px;}
}
@media (max-width:767px){
  .page-hero{padding:36px 0 30px;}
  .page-hero h1{font-size:28px;}
  .hero-sub{font-size:15px;}
  .status-card{padding:18px;gap:18px;}
  .status-facts{gap:14px 24px;}
  .fact{min-width:96px;}
  .fact b{font-size:19px;}
  .rail-card{flex:0 0 82%;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .sec-head h2{font-size:24px;}
  .more-cats{padding:36px 0;border-radius:20px;}
  .more-cats .container{flex-direction:column;align-items:flex-start;}
  .back-cta{padding:36px 20px;border-radius:20px;}
  .back-cta h2{font-size:22px;}
  .footer-top{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  :root{--sec:44px;}
}
@media (max-width:520px){
  .news-item{flex-direction:column;}
  .news-thumb{width:100%;flex:0 0 auto;height:150px;}
  .cat-pill{width:100%;justify-content:center;}
}

/* roulang page: category4 */
:root{
  --purple:#3A2C63;
  --purple-dark:#241B3E;
  --purple-light:#EFEAF7;
  --teal:#12A594;
  --teal-dark:#0D7F72;
  --teal-light:#E4F5F2;
  --orange:#D9542B;
  --bg:#FAF7F2;
  --bg-alt:#F2ECE3;
  --card:#FFFFFF;
  --dark:#221A38;
  --text:#1E1A28;
  --text-2:#6A6478;
  --text-3:#9A93A5;
  --border:#E5DFD5;
  --line:#EDE7DE;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(34,26,56,.06);
  --sh-2:0 12px 30px rgba(34,26,56,.13);
  --sh-nav:0 6px 24px rgba(34,26,56,.10);
  --sec:88px;
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",ui-sans-serif,Inter,Roboto,sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--purple);text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.32;letter-spacing:-.01em;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (max-width:1399.98px){.container{max-width:1160px;}}
@media (max-width:1199.98px){.container{max-width:960px;}}
@media (max-width:991.98px){.container{max-width:100%;}}

.section{padding:var(--sec) 0;}
.section.alt{background:var(--bg-alt);}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  background:rgba(250,247,242,.82);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(229,223,213,.9);
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.scrolled{
  background:rgba(250,247,242,.97);
  box-shadow:var(--sh-nav);
  border-bottom-color:var(--border);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:600;
  color:var(--purple-dark);
  white-space:nowrap;
}
.brand-mark{
  width:24px;height:24px;
  flex:0 0 24px;
  border-radius:6px;
  background:linear-gradient(135deg,var(--purple),var(--purple-dark));
  position:relative;
  display:inline-block;
}
.brand-mark::after{
  content:"";
  position:absolute;
  right:4px;bottom:4px;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--teal);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  margin:0;
}
.nav-links a{
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  background-image:linear-gradient(var(--teal),var(--teal));
  background-repeat:no-repeat;
  background-position:0 100%;
  background-size:0 2px;
  transition:background-size .24s ease,color .2s ease;
}
.nav-links a:hover{color:var(--purple);background-size:100% 2px;}
.nav-links a.active{color:var(--purple);font-weight:600;background-size:100% 2px;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:42px;height:42px;
  border-radius:var(--r-btn);
  border:1px solid var(--border);
  background:rgba(255,255,255,.7);
  color:var(--purple);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.icon-btn:hover{border-color:var(--teal);color:var(--teal-dark);background:#fff;}
.btn-primary-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  background:var(--teal);
  color:#fff;
  font-size:15px;
  font-weight:500;
  border:1px solid var(--teal);
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.btn-primary-cta:hover{background:var(--teal-dark);border-color:var(--teal-dark);color:#fff;transform:translateY(-1px);}
.btn-primary-cta:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--r-btn);
  border:1px solid var(--purple);
  background:transparent;
  color:var(--purple);
  font-size:15px;
  font-weight:500;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:var(--purple);color:#fff;transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-btn);
  border:1px solid var(--border);
  background:rgba(255,255,255,.75);
  color:var(--purple);
  cursor:pointer;
}
.nav-mask{
  position:fixed;inset:0;
  background:rgba(34,26,56,.42);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:1035;
}
.nav-mask.show{opacity:1;visibility:visible;}

@media (max-width:1199.98px){
  .nav-links{gap:20px;}
  .nav-links a{font-size:14px;}
}
@media (max-width:991.98px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-cta{display:none;}
  .nav-links{
    position:fixed;
    top:0;right:0;
    width:300px;
    max-width:86%;
    height:100vh;
    background:#fff;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    padding:88px 24px 32px;
    transform:translateX(102%);
    transition:transform .28s ease;
    box-shadow:-10px 0 30px rgba(34,26,56,.12);
    z-index:1040;
    overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links li{width:100%;border-bottom:1px solid var(--line);}
  .nav-links a{
    display:block;
    width:100%;
    font-size:18px;
    line-height:56px;
    padding:0;
    color:var(--text);
    background-image:none;
  }
  .nav-links a.active{color:var(--teal-dark);}
}

/* ============ 页头 ============ */
.page-head{
  min-height:260px;
  padding:130px 0 46px;
  display:flex;
  align-items:center;
  background:
    linear-gradient(180deg,rgba(242,236,227,.93),rgba(250,247,242,.97)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.breadcrumb-nav{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-2);
  margin-bottom:14px;
}
.breadcrumb-nav a{color:var(--text-2);}
.breadcrumb-nav a:hover{color:var(--teal-dark);}
.breadcrumb-nav .sep{color:var(--text-3);}
.breadcrumb-nav .current{color:var(--text-3);}
.page-head h1{
  font-size:48px;
  color:var(--purple-dark);
  margin-bottom:12px;
}
.page-head .lead{
  max-width:640px;
  font-size:17px;
  color:var(--text-2);
  line-height:1.8;
}

/* ============ 板块标题组 ============ */
.section-head{margin-bottom:40px;max-width:720px;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.16em;
  color:var(--teal-dark);
  text-transform:uppercase;
  margin-bottom:10px;
}
.section-head h2{
  font-size:34px;
  color:var(--purple-dark);
  position:relative;
  padding-left:16px;
  margin-bottom:12px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--teal);
}
.section-head p{color:var(--text-2);font-size:16px;}

/* ============ 时间轴 ============ */
.timeline{margin-top:8px;}
.tl-item{
  display:grid;
  grid-template-columns:132px 40px 1fr;
  gap:0 18px;
  align-items:start;
  padding-bottom:26px;
}
.tl-date{
  font-size:14px;
  color:var(--text-2);
  text-align:right;
  padding-top:22px;
  white-space:nowrap;
}
.tl-rail{
  position:relative;
  display:flex;
  justify-content:center;
  align-self:stretch;
}
.tl-rail::before{
  content:"";
  position:absolute;
  top:0;bottom:0;
  width:2px;
  background:var(--line);
}
.tl-item:first-child .tl-rail::before{top:26px;}
.tl-item:last-child .tl-rail::before{bottom:auto;height:26px;}
.tl-dot{
  position:relative;
  z-index:1;
  width:12px;height:12px;
  margin-top:26px;
  border-radius:50%;
  background:var(--teal);
  box-shadow:0 0 0 4px var(--teal-light);
}
.tl-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:20px 24px;
  box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D9D1C4;}
.tl-card-top{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:8px;
}
.tl-card h3{font-size:22px;color:var(--purple-dark);}
.tl-card p{font-size:15px;color:var(--text-2);line-height:1.85;margin-top:6px;}
.tl-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:14px;
  font-size:14px;
  color:var(--teal-dark);
}
.tl-link:hover{color:var(--orange);}

.badge-pill{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:500;
  background:var(--teal-light);
  color:var(--teal-dark);
  border:1px solid transparent;
  transition:border-color .2s ease;
}
.badge-pill:hover{border-color:var(--teal);}
.badge-soft{background:#F2ECE3;color:var(--text-2);}
.badge-soft:hover{border-color:#D9D1C4;}

/* ============ 对比表格 ============ */
.table-wrap{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.compare-table{
  width:100%;
  border-collapse:collapse;
  font-size:15px;
}
.compare-table thead th{
  text-align:left;
  font-size:14px;
  font-weight:600;
  color:var(--purple-dark);
  background:var(--purple-light);
  padding:16px 20px;
  border-bottom:1px solid var(--border);
  white-space:nowrap;
}
.compare-table tbody td{
  padding:16px 20px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
.compare-table tbody tr:nth-child(even) td{background:#FCFAF7;}
.compare-table tbody tr:last-child td{border-bottom:none;}
.compare-table td:first-child{
  color:var(--text);
  font-weight:600;
  white-space:nowrap;
}
.table-note{
  margin-top:14px;
  font-size:13px;
  color:var(--text-3);
}

/* ============ 福利小卡 ============ */
.bonus-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.bonus-card{
  background:var(--bg-alt);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:28px;
  display:grid;
  grid-template-columns:1fr 168px;
  gap:24px;
  align-items:center;
  transition:transform .24s ease,box-shadow .24s ease;
}
.bonus-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.bonus-num{
  font-size:28px;
  font-weight:600;
  color:var(--orange);
  line-height:1;
  margin-bottom:10px;
  letter-spacing:.02em;
}
.bonus-card h3{font-size:20px;color:var(--purple-dark);margin-bottom:8px;}
.bonus-card p{font-size:15px;color:var(--text-2);line-height:1.8;}
.bonus-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-img);
}
.bonus-actions{margin-top:16px;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:880px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:#D7CFC2;box-shadow:var(--sh-1);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  background:transparent;
  border:none;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--purple-dark);
  cursor:pointer;
}
.faq-icon{
  position:relative;
  width:20px;height:20px;
  flex:0 0 20px;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--teal);
  transform:translate(-50%,-50%);
  transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-item.open .faq-a{max-height:420px;}
.faq-a p{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}

/* ============ 分类导航 ============ */
.cat-nav{
  background:var(--bg-alt);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:56px 0;
}
.cat-nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.cat-nav h2{font-size:22px;color:var(--purple-dark);margin-bottom:6px;}
.cat-nav p{font-size:15px;color:var(--text-2);}
.cat-pills{display:flex;flex-wrap:wrap;gap:12px;}
.cat-pill{
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 20px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--border);
  color:var(--purple);
  font-size:15px;
  font-weight:500;
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
}
.cat-pill:hover{border-color:var(--teal);color:var(--teal-dark);transform:translateY(-2px);}
.cat-pill.current{background:var(--teal);border-color:var(--teal);color:#fff;}

/* ============ 页脚 ============ */
.footer{
  background:var(--dark);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  font-size:15px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer h4{
  font-size:16px;
  color:#fff;
  margin-bottom:16px;
}
.footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);}
.footer a{
  display:block;
  color:rgba(255,255,255,.72);
  font-size:14px;
  line-height:2.1;
  background-image:linear-gradient(var(--teal),var(--teal));
  background-repeat:no-repeat;
  background-position:0 100%;
  background-size:0 1px;
  transition:background-size .22s ease,color .2s ease;
  width:fit-content;
}
.footer a:hover{color:#fff;background-size:100% 1px;}
.f-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:600;
  color:#fff;
  margin-bottom:14px;
}
.f-mail{color:var(--teal-light) !important;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0 26px;
  font-size:13px;
  color:var(--text-3);
}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;
  right:24px;bottom:24px;
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--border);
  background:#fff;
  color:var(--purple);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:var(--sh-1);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .25s ease,visibility .25s ease,transform .25s ease,color .2s ease;
  cursor:pointer;
  z-index:1020;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{color:var(--teal-dark);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .section{padding:64px 0;}
  .page-head h1{font-size:36px;}
  .section-head h2{font-size:28px;}
}
@media (max-width:991.98px){
  .bonus-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .section{padding:44px 0;}
  .page-head{min-height:auto;padding:104px 0 34px;}
  .page-head h1{font-size:28px;}
  .section-head h2{font-size:24px;}
  .tl-item{grid-template-columns:1fr;gap:0;padding-bottom:20px;padding-left:0;}
  .tl-rail{display:none;}
  .tl-date{text-align:left;padding-top:0;margin-bottom:8px;color:var(--text-3);}
  .tl-card{padding:18px 18px;}
  .tl-card h3{font-size:18px;}
  .bonus-card{grid-template-columns:1fr;padding:22px;}
  .bonus-card img{order:-1;}
  .compare-table thead{display:none;}
  .compare-table, .compare-table tbody, .compare-table tr, .compare-table td{display:block;width:100%;}
  .compare-table tr{
    border-bottom:1px solid var(--line);
    padding:8px 0;
  }
  .compare-table tr:last-child{border-bottom:none;}
  .compare-table tbody td{
    border:none;
    padding:6px 18px;
    display:flex;
    gap:12px;
    font-size:14px;
  }
  .compare-table tbody td::before{
    content:attr(data-label);
    flex:0 0 84px;
    color:var(--purple-dark);
    font-weight:600;
  }
  .compare-table tbody td:first-child{
    font-size:16px;
    padding-top:12px;
  }
  .compare-table tbody td:first-child::before{display:none;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .cat-nav-inner{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:575.98px){
  .cat-pill{height:40px;padding:0 16px;font-size:14px;}
  .btn-primary-cta,.btn-ghost{width:100%;}
}