/* roulang page: index */
:root{
  --c-primary:#E04E23;
  --c-primary-d:#B93A15;
  --c-primary-l:#FBE7DF;
  --c-deep:#10362E;
  --c-deep-2:#1B4A3F;
  --c-accent:#FFC53D;
  --c-accent-2:#C9E265;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-line:#E3DED4;
  --c-line-2:#D8D2C6;
  --c-text:#1E211F;
  --c-muted:#6B6F6A;
  --c-invert:#F6F4EF;
  --r-card:14px;
  --r-lg:18px;
  --r-btn:10px;
  --r-in:8px;
  --sh-1:0 1px 2px rgba(16,54,46,.06);
  --sh-2:0 10px 28px -14px rgba(16,54,46,.22);
  --sp-sec:80px;
  --sp-sec-lg:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;line-height:1.8;letter-spacing:.015em;
  color:var(--c-text);background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:3px solid rgba(224,78,35,.35);outline-offset:2px;border-radius:4px}

/* ============ 容器与栅格 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.grid-x{display:flex;flex-wrap:wrap;margin:0 -12px}
.grid-x>.cell{padding:0 12px;width:100%}
.cell.small-12{width:100%}
@media(min-width:640px){
  .cell.medium-6{width:50%}
  .cell.medium-12{width:100%}
}
@media(min-width:1024px){
  .cell.large-3{width:25%}
  .cell.large-4{width:33.3333%}
  .cell.large-5{width:41.6666%}
  .cell.large-6{width:50%}
  .cell.large-7{width:58.3333%}
  .cell.large-8{width:66.6666%}
  .cell.large-12{width:100%}
}
.mb-24{margin-bottom:24px}

/* ============ 区块节奏 ============ */
.section{padding:var(--sp-sec) 0}
.section-lg{padding:var(--sp-sec-lg) 0}
.section + .section{border-top:1px solid var(--c-line)}
.section-deep{border-top:0 !important;border-bottom:0 !important;padding:var(--sp-sec) 0;background:var(--c-deep);color:var(--c-invert)}
.section-deep + .section{border-top:0}
.section-head{margin-bottom:40px}
.section-head h2{
  font-size:34px;font-weight:700;line-height:1.3;letter-spacing:.01em;
}
.section-head .lead{margin-top:14px;color:var(--c-muted);max-width:760px;font-size:17px}
.section-deep .section-head h2{color:var(--c-invert)}
.section-deep .section-head .lead{color:rgba(246,244,239,.72)}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--c-primary);margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--c-primary);display:block}
.section-deep .eyebrow{color:var(--c-accent)}
.section-deep .eyebrow::before{background:var(--c-accent)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;letter-spacing:.02em;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  border:1px solid transparent;text-align:center;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-primary-d);transform:translateY(-2px);box-shadow:var(--sh-2);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:var(--c-surface);color:var(--c-deep);border-color:var(--c-line)}
.btn-secondary:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-l);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(246,244,239,.65)}
.btn-ghost:hover{background:#fff;color:var(--c-deep);border-color:#fff;transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:15px}
.btn-block{width:100%}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--c-primary);
}
.link-more span{transition:transform .18s ease;display:inline-block}
.link-more:hover span{transform:translateX(4px)}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:transparent;
  transition:background-color .18s ease,box-shadow .18s ease,border-color .18s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:var(--c-surface);
  box-shadow:var(--sh-1);
  border-bottom-color:var(--c-line);
}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  max-width:1200px;margin:0 auto;padding:14px 24px;
}
.nav-left{display:flex;align-items:center;gap:6px;justify-content:flex-start}
.nav-right{display:flex;align-items:center;gap:6px;justify-content:flex-end}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;min-height:40px;padding:0 14px;
  font-size:15.5px;font-weight:500;color:rgba(246,244,239,.86);
  border-radius:999px;transition:color .18s ease,background-color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;border-radius:2px;
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{background:rgba(227,222,212,.9);color:var(--c-deep)}
.nav-link.is-active::after{display:none}
.site-header.is-scrolled .nav-link{color:var(--c-text)}
.site-header.is-scrolled .nav-link:hover{color:var(--c-primary)}
.site-header.is-scrolled .nav-link.is-active{background:var(--c-line);color:var(--c-deep)}
.brand{
  display:inline-flex;align-items:center;gap:9px;
  font-size:20px;font-weight:800;letter-spacing:.02em;
  color:var(--c-primary);white-space:nowrap;
}
.brand-mark{
  width:12px;height:12px;border-radius:4px;
  background:var(--c-accent);box-shadow:0 0 0 3px rgba(255,197,61,.28);
  flex:0 0 auto;
}
.site-header:not(.is-scrolled) .brand-mark{background:var(--c-accent)}
.nav-right .btn{margin-left:8px}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:var(--r-btn);
  align-items:center;justify-content:center;
  border:1px solid rgba(246,244,239,.4);
}
.nav-toggle i{display:block;width:20px;height:2px;background:#fff;position:relative;transition:background .2s ease}
.nav-toggle i::before,.nav-toggle i::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:#fff;transition:transform .2s ease;
}
.nav-toggle i::before{top:-6px}
.nav-toggle i::after{top:6px}
.site-header.is-scrolled .nav-toggle{border-color:var(--c-line)}
.site-header.is-scrolled .nav-toggle i,
.site-header.is-scrolled .nav-toggle i::before,
.site-header.is-scrolled .nav-toggle i::after{background:var(--c-deep)}
.mobile-panel{
  display:none;background:var(--c-surface);border-top:1px solid var(--c-line);
  box-shadow:var(--sh-1);
}
.mobile-panel.is-open{display:block}
.mobile-panel a{
  display:flex;align-items:center;min-height:52px;padding:0 24px;
  border-bottom:1px solid var(--c-line);font-size:16px;font-weight:500;
}
.mobile-panel a.is-active{color:var(--c-primary);background:var(--c-primary-l)}
.mobile-panel .mobile-cta{padding:16px 24px}
@media(max-width:1023px){
  .nav-left,.nav-right{display:none}
  .nav-wrap{grid-template-columns:1fr auto 1fr}
  .nav-toggle{display:flex;justify-self:end;grid-column:3}
  .brand{grid-column:2;justify-self:center}
}

/* ============ Hero ============ */
.hero{
  position:relative;
  margin-top:-74px;
  min-height:600px;
  display:flex;align-items:center;
  background:var(--c-deep);
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(16,54,46,.92) 0%,rgba(16,54,46,.78) 45%,rgba(16,54,46,.42) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero-inner{position:relative;z-index:2;padding-top:150px;padding-bottom:96px;width:100%}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(255,197,61,.16);color:var(--c-accent);
  border:1px solid rgba(255,197,61,.42);
  font-size:13px;font-weight:600;letter-spacing:.04em;
}
.hero h1{
  margin-top:22px;
  font-size:46px;font-weight:800;line-height:1.22;letter-spacing:.01em;
  color:#fff;max-width:860px;
}
.hero-sub{
  margin-top:20px;font-size:18px;line-height:1.75;
  color:rgba(246,244,239,.82);max-width:660px;
}
.hero-actions{margin-top:36px;display:flex;flex-wrap:wrap;gap:14px}
.hero-stat{
  position:absolute;right:24px;bottom:-52px;z-index:3;
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:0;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-2);
  max-width:520px;overflow:hidden;
}
.hero-stat div{padding:20px 24px;border-left:1px solid var(--c-line)}
.hero-stat div:first-child{border-left:0}
.hero-stat b{display:block;font-size:26px;font-weight:800;color:var(--c-primary);line-height:1.2}
.hero-stat span{display:block;font-size:14px;color:var(--c-muted);margin-top:4px}
@media(max-width:1023px){
  .hero{min-height:520px}
  .hero-inner{padding-top:130px;padding-bottom:120px}
  .hero h1{font-size:36px;max-width:100%}
  .hero-stat{position:static;margin-top:34px;max-width:100%}
}
@media(max-width:640px){
  .hero{margin-top:-70px;min-height:460px}
  .hero-inner{padding-top:118px;padding-bottom:56px}
  .hero h1{font-size:32px}
  .hero-sub{font-size:16.5px}
  .hero-stat{grid-template-columns:repeat(2,1fr)}
  .hero-stat div:nth-child(3){border-left:0;border-top:1px solid var(--c-line)}
}

/* ============ 关键信息条 ============ */
.info-bar{background:var(--c-deep-2);color:var(--c-invert)}
.info-bar .container{ padding-top:0;padding-bottom:0 }
.info-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.info-item{padding:26px 24px;border-left:1px solid rgba(246,244,239,.14)}
.info-item:first-child{border-left:0}
.info-item b{display:block;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--c-accent)}
.info-item span{display:block;margin-top:8px;font-size:17px;font-weight:600;color:#fff}
.info-item em{display:block;margin-top:4px;font-style:normal;font-size:14px;color:rgba(246,244,239,.66)}
@media(max-width:1023px){
  .info-grid{grid-template-columns:repeat(2,1fr)}
  .info-item:nth-child(3){border-left:0}
  .info-item:nth-child(3),.info-item:nth-child(4){border-top:1px solid rgba(246,244,239,.14)}
}
@media(max-width:640px){
  .info-item{padding:20px 18px}
}

/* ============ 议程时间线 ============ */
.timeline{position:relative;max-width:1000px;margin:0 auto}
.timeline::before{
  content:"";position:absolute;left:50%;top:6px;bottom:6px;width:2px;
  border-left:2px dashed var(--c-line);transform:translateX(-1px);
}
.tl-item{position:relative;width:50%;padding:0 46px 44px 0}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 44px 46px;text-align:left}
.tl-item::after{
  content:"";position:absolute;top:8px;right:-7px;width:12px;height:12px;border-radius:50%;
  background:var(--c-accent);box-shadow:0 0 0 4px rgba(255,197,61,.22);
  border:2px solid var(--c-surface);
}
.tl-item:nth-child(even)::after{right:auto;left:-7px}
.tl-badge{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:var(--c-primary-l);color:var(--c-primary-d);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.tl-item h3{margin-top:12px;font-size:23px;font-weight:700;line-height:1.4}
.tl-item p{margin-top:8px;color:var(--c-muted);font-size:16.5px}
@media(max-width:900px){
  .timeline::before{left:18px}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 36px 46px;text-align:left}
  .tl-item::after,.tl-item:nth-child(even)::after{left:12px;right:auto}
}

/* ============ 嘉宾 / 亮点错位栅格 ============ */
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.feature-main{
  grid-row:span 2;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.feature-main:hover,.feature-side:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-line-2)}
.feature-main img{width:100%;aspect-ratio:16/10;object-fit:cover}
.feature-body{padding:26px}
.feature-body h3{font-size:23px;font-weight:700;line-height:1.4}
.feature-body p{margin-top:10px;color:var(--c-muted);font-size:16.5px}
.feature-side{
  display:grid;grid-template-columns:150px 1fr;gap:0;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.feature-side img{width:100%;height:100%;object-fit:cover;min-height:120px}
.feature-side .fs-body{padding:22px}
.feature-side h4{font-size:18px;font-weight:600;line-height:1.45}
.feature-side p{margin-top:8px;color:var(--c-muted);font-size:15px;line-height:1.7}
@media(max-width:1023px){
  .feature-grid{grid-template-columns:1fr}
  .feature-main{grid-row:auto}
}
@media(max-width:520px){
  .feature-side{grid-template-columns:1fr}
  .feature-side img{aspect-ratio:16/9;min-height:0}
}

/* ============ 票种对比 ============ */
.ticket-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.ticket{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);padding:28px 26px 26px;
  display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.ticket:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-line-2)}
.ticket h3{font-size:23px;font-weight:700}
.ticket .price{margin-top:14px;display:flex;align-items:baseline;gap:6px}
.ticket .price b{font-size:34px;font-weight:800;color:var(--c-primary);line-height:1}
.ticket .price i{font-style:normal;font-size:14px;color:var(--c-muted)}
.ticket .desc{margin-top:10px;font-size:15px;color:var(--c-muted)}
.ticket ul{margin-top:20px;display:grid;gap:12px;flex:1}
.ticket li{display:flex;align-items:flex-start;gap:10px;font-size:16px;line-height:1.65}
.ticket li::before{
  content:"";flex:0 0 auto;width:16px;height:16px;margin-top:6px;border-radius:4px;
  background:var(--c-primary-l);
  border:1px solid rgba(224,78,35,.35);
  background-image:linear-gradient(45deg,transparent 46%,var(--c-primary) 46%,var(--c-primary) 56%,transparent 56%),
                   linear-gradient(-45deg,transparent 46%,var(--c-primary) 46%,var(--c-primary) 56%,transparent 56%);
  background-size:8px 8px;background-repeat:no-repeat;background-position:center;
}
.ticket .btn{margin-top:24px}
.ticket-reco{
  background:var(--c-deep);color:var(--c-invert);border-color:var(--c-deep);
  transform:scale(1.03);box-shadow:var(--sh-2);
}
.ticket-reco:hover{transform:scale(1.03) translateY(-2px)}
.ticket-reco .price b{color:var(--c-accent)}
.ticket-reco .desc,.ticket-reco .price i{color:rgba(246,244,239,.7)}
.ticket-reco li::before{background-color:rgba(255,197,61,.18);border-color:rgba(255,197,61,.4)}
.ticket-reco .btn{background:var(--c-accent);color:var(--c-deep)}
.ticket-reco .btn:hover{background:#fff;color:var(--c-deep)}
.reco-flag{
  position:absolute;top:-13px;left:26px;
  padding:5px 14px;border-radius:999px;background:var(--c-accent);color:var(--c-deep);
  font-size:13px;font-weight:600;letter-spacing:.04em;
}
@media(max-width:1023px){
  .ticket-grid{grid-template-columns:1fr;gap:20px}
  .ticket-reco{transform:none}
  .ticket-reco:hover{transform:translateY(-2px)}
}

/* ============ 对比表（桌面） ============ */
.compare-wrap{margin-top:44px;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;background:var(--c-surface)}
table.compare{width:100%;border-collapse:collapse}
table.compare th,table.compare td{padding:16px 20px;text-align:left;font-size:15.5px;border-bottom:1px solid var(--c-line)}
table.compare thead th{background:#FBF9F5;font-weight:600;color:var(--c-deep);font-size:15px;letter-spacing:.02em}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare td:first-child{color:var(--c-muted)}
.compare-stack{display:none}
@media(max-width:767px){
  .compare-wrap{display:none}
  .compare-stack{display:grid;gap:16px;margin-top:32px}
  .compare-stack .cs-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1)}
  .compare-stack h4{font-size:17px;font-weight:700;margin-bottom:12px;color:var(--c-primary)}
  .compare-stack dl{display:grid;grid-template-columns:auto 1fr;gap:8px 14px;font-size:15px}
  .compare-stack dt{color:var(--c-muted)}
  .compare-stack dd{margin:0;font-weight:500}
}

/* ============ 报名表单 ============ */
.signup-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;
}
.signup-copy h2{font-size:34px;font-weight:700;line-height:1.3;color:#fff}
.signup-copy p{margin-top:16px;color:rgba(246,244,239,.75);font-size:17px}
.signup-points{margin-top:26px;display:grid;gap:14px}
.signup-points li{display:flex;gap:12px;align-items:flex-start;font-size:16px;color:rgba(246,244,239,.86)}
.signup-points li::before{
  content:"";flex:0 0 auto;width:20px;height:2px;background:var(--c-accent);margin-top:14px;
}
.form-card{
  background:var(--c-surface);border-radius:var(--r-lg);padding:30px;box-shadow:var(--sh-2);
  color:var(--c-text);
}
.form-card h3{font-size:23px;font-weight:700;margin-bottom:6px}
.form-card .form-tip{font-size:14px;color:var(--c-muted);margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--c-text)}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-in);
  border:1px solid var(--c-line);background:#FCFBF8;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field input::placeholder{color:#A6A9A4}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--c-primary);background:#fff;
  box-shadow:0 0 0 3px rgba(224,78,35,.18);
}
.field .err{display:block;margin-top:6px;font-size:13px;color:var(--c-primary);min-height:0}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-actions{display:flex;justify-content:flex-end;margin-top:6px}
.form-actions .btn{width:100%;max-width:260px}
@media(max-width:1023px){
  .signup-panel{grid-template-columns:1fr;gap:34px}
}
@media(max-width:520px){
  .form-card{padding:22px 18px}
  .field-row{grid-template-columns:1fr}
  .form-actions .btn{max-width:100%}
}

/* ============ 信任条 ============ */
.trust{background:#EFECE4;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:32px 0}
.trust-list{display:flex;flex-wrap:wrap;gap:14px 40px;align-items:center;justify-content:center}
.trust-list span{
  font-size:15px;font-weight:600;color:var(--c-muted);letter-spacing:.03em;
  display:inline-flex;align-items:center;gap:8px;
}
.trust-list span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent)}

/* ============ 最新资讯列表卡片 ============ */
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-line-2)}
.post-cover{display:block;overflow:hidden;position:relative}
.post-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.post-card:hover .post-cover img{transform:scale(1.03)}
.post-body{padding:22px;display:flex;flex-direction:column;flex:1}
.badge{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:var(--c-primary-l);color:var(--c-primary-d);
  font-size:13px;font-weight:600;letter-spacing:.02em;align-self:flex-start;
}
.post-body h3{
  margin-top:12px;font-size:18px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s ease;
}
.post-card:hover .post-body h3{color:var(--c-primary)}
.post-excerpt{
  margin-top:10px;font-size:15px;color:var(--c-muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--c-line);font-size:13px;color:var(--c-muted);
}
.post-meta .arrow{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600}
.post-card:hover .post-meta .arrow svg{transform:translateX(4px)}
.post-meta .arrow svg{transition:transform .18s ease}
.empty-state{
  background:var(--c-surface);border:1px dashed var(--c-line-2);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;color:var(--c-muted);
}
.empty-state p{margin-bottom:14px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:1023px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.card-grid{grid-template-columns:1fr;gap:16px}}

/* ============ 行式条目列表 ============ */
.row-list{border-top:1px solid var(--c-line)}
.row-item{
  display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:20px;
  padding:24px 12px;border-bottom:1px solid var(--c-line);
  transition:background-color .18s ease;
}
.row-item:hover{background:#FBF9F5}
.row-item .num{
  font-size:24px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;
  transition:transform .18s ease;
}
.row-item:hover .num{transform:translateX(4px)}
.row-item h3{font-size:18px;font-weight:600;line-height:1.5}
.row-item p{margin-top:6px;font-size:15px;color:var(--c-muted)}
.row-item .arrow{color:var(--c-primary);font-weight:600;font-size:15px;white-space:nowrap}
@media(max-width:640px){
  .row-item{grid-template-columns:44px 1fr;gap:14px;padding:20px 4px}
  .row-item .arrow{grid-column:2;justify-self:start;padding-top:4px}
  .row-item .num{font-size:20px}
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;position:relative;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-primary);
  transform:scaleY(0);transform-origin:top;transition:transform .22s ease;
}
.faq-item[open]::before{transform:scaleY(1)}
.faq-item[open]{box-shadow:var(--sh-2);border-color:var(--c-line-2)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:17px;font-weight:600;cursor:pointer;list-style:none;
  min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item[open] summary{font-weight:700}
.faq-item summary .chev{
  flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .2s ease;
}
.faq-item summary .chev::before,
.faq-item summary .chev::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--c-primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-item summary .chev::before{width:14px;height:2px}
.faq-item summary .chev::after{width:2px;height:14px;transition:opacity .2s ease}
.faq-item[open] summary .chev{transform:rotate(180deg)}
.faq-item[open] summary .chev::after{opacity:0}
.faq-answer{padding:0 24px 24px;font-size:17px;line-height:1.8;color:var(--c-muted)}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-deep);color:var(--c-invert);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{
  display:inline-flex;align-items:center;gap:9px;font-size:20px;font-weight:800;color:#fff;
}
.footer-brand .brand-mark{background:var(--c-accent)}
.footer-col p{margin-top:16px;font-size:15px;line-height:1.75;color:rgba(246,244,239,.68);max-width:320px}
.footer-col h4{
  font-size:14px;font-weight:600;letter-spacing:.06em;color:var(--c-accent);
  text-transform:none;margin-bottom:18px;
}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:15px;color:rgba(246,244,239,.78)}
.footer-col a:hover{color:var(--c-accent)}
.footer-contact{margin-top:18px;font-size:15px;color:rgba(246,244,239,.78);display:grid;gap:8px}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(246,244,239,.16);
  display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;justify-content:space-between;
  font-size:14px;color:rgba(246,244,239,.62);
}
.footer-bottom .legal{display:flex;flex-wrap:wrap;gap:8px 20px}
.footer-bottom a{color:rgba(246,244,239,.62)}
.footer-bottom a:hover{color:var(--c-accent)}
@media(max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:640px){
  .site-footer{padding-top:48px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* ============ 辅助 ============ */
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media(max-width:640px){
  .section{padding:48px 0}
  .section-lg{padding:48px 0}
  .section-head{margin-bottom:28px}
  .section-head h2,.signup-copy h2{font-size:25px}
  .ticket h3,.tl-item h3,.feature-body h3,.form-card h3{font-size:20px}
}

/* roulang page: article */
:root{
  --c-primary:#E04E23;
  --c-primary-d:#B93A15;
  --c-primary-l:#FBE7DF;
  --c-deep:#10362E;
  --c-deep-2:#1B4A3F;
  --c-accent:#FFC53D;
  --c-accent-2:#C9E265;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-line:#E3DED4;
  --c-line-2:#D8D2C6;
  --c-text:#1E211F;
  --c-muted:#6B6F6A;
  --c-warm:#FBF9F5;
  --c-inv:#F6F4EF;
  --r-card:14px;
  --r-lg:18px;
  --r-btn:10px;
  --r-input:8px;
  --sh-1:0 1px 2px rgba(16,54,46,.06);
  --sh-2:0 10px 28px -14px rgba(16,54,46,.22);
  --tr:180ms ease;
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  letter-spacing:.015em;
  color:var(--c-text);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-deep);text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--c-primary)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-text);font-weight:700}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0;list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:80px 0}
.section--tight{padding:56px 0}
.section-line{border-top:1px solid var(--c-line)}

/* ============ 顶部进度条 ============ */
.read-progress{position:fixed;top:0;left:0;right:0;height:3px;background:transparent;z-index:120;pointer-events:none}
.read-progress span{display:block;height:100%;width:0;background:var(--c-primary);transition:width 120ms linear}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(246,244,239,.92);
  backdrop-filter:saturate(140%) blur(6px);
  transition:background var(--tr),box-shadow var(--tr),border-color var(--tr);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:var(--c-surface);
  box-shadow:var(--sh-1);
  border-bottom-color:var(--c-line);
}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  min-height:76px;
  gap:16px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:6px}
.nav-right{justify-content:flex-end}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 12px;
  font-size:15px;
  font-weight:600;
  color:var(--c-text);
  border-radius:999px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:8px;
  height:2px;
  background:var(--c-primary);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--tr);
  border-radius:2px;
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{background:var(--c-line);color:var(--c-deep)}
.nav-link.is-active::after{display:none}
.brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:20px;
  font-weight:800;
  letter-spacing:.01em;
  color:var(--c-deep);
  padding:6px 4px;
}
.brand:hover{color:var(--c-deep)}
.brand .kw{color:var(--c-primary)}
.brand-mark{
  width:12px;height:12px;border-radius:3px;
  background:var(--c-primary);
  box-shadow:0 0 0 4px var(--c-primary-l);
  flex:none;
}
.nav-cta{height:42px;padding:0 22px;font-size:15px}
.nav-toggle{
  display:none;
  width:46px;height:46px;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  border-radius:var(--r-btn);
  color:var(--c-deep);
  font-size:17px;
  cursor:pointer;
  align-items:center;justify-content:center;
  transition:border-color var(--tr),color var(--tr),background var(--tr);
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}
.mobile-panel{
  display:none;
  border-top:1px solid var(--c-line);
  background:var(--c-surface);
  box-shadow:var(--sh-1);
}
.mobile-panel.is-open{display:block}
.mobile-panel ul{padding:6px 0}
.mobile-panel li{border-bottom:1px solid var(--c-line)}
.mobile-panel li:last-child{border-bottom:0}
.mobile-panel a{
  display:flex;align-items:center;
  min-height:52px;padding:0 24px;
  font-size:16px;font-weight:600;color:var(--c-text);
}
.mobile-panel a:hover,.mobile-panel a:active{background:var(--c-warm);color:var(--c-primary)}
.mobile-panel .mobile-cta-wrap{padding:16px 24px 22px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 26px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:16px;
  font-weight:600;
  letter-spacing:.02em;
  cursor:pointer;
  transition:transform var(--tr),background var(--tr),color var(--tr),border-color var(--tr),box-shadow var(--tr);
  text-align:center;
}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost{background:var(--c-surface);color:var(--c-deep);border-color:var(--c-line)}
.btn-ghost:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-l);transform:translateY(-2px)}
.btn-sm{min-height:42px;padding:0 20px;font-size:15px}
.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:none;
  box-shadow:0 0 0 3px rgba(224,78,35,.35);
}

/* ============ 面包屑 ============ */
.crumb-band{
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  padding:18px 0;
}
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:14px;color:var(--c-muted);
}
.crumb a{color:var(--c-muted)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:var(--c-line-2)}
.crumb .current{
  color:var(--c-text);font-weight:600;
  max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ============ 文章头 ============ */
.article-head{background:var(--c-surface);padding:44px 0 40px}
.article-head-inner{max-width:800px;margin:0 auto}
.badge{
  display:inline-flex;align-items:center;
  height:28px;padding:0 12px;
  border-radius:999px;
  background:var(--c-primary-l);
  color:var(--c-primary-d);
  font-size:13px;font-weight:600;
  letter-spacing:.02em;
}
.article-head h1{
  font-size:46px;
  font-weight:800;
  line-height:1.22;
  letter-spacing:.01em;
  margin:18px 0 20px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  font-size:14px;color:var(--c-muted);
  padding-top:18px;
  border-top:1px solid var(--c-line);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--c-primary);font-size:13px}

/* ============ 正文排版 ============ */
.article-wrap{background:var(--c-bg);padding:56px 0 72px}
.article-shell{max-width:800px;margin:0 auto}
.article-body{
  font-size:17px;
  line-height:1.85;
  letter-spacing:.015em;
  color:var(--c-text);
}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body a{color:var(--c-primary);border-bottom:1px solid var(--c-primary-l)}
.article-body a:hover{color:var(--c-primary-d);border-bottom-color:var(--c-primary)}
.article-body h2{
  position:relative;
  font-size:34px;
  font-weight:700;
  line-height:1.3;
  margin:56px 0 20px;
  padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;
  width:4px;height:.92em;border-radius:2px;background:var(--c-primary);
}
.article-body h3{font-size:23px;font-weight:700;line-height:1.4;margin:38px 0 14px}
.article-body h4{font-size:18px;font-weight:600;line-height:1.5;margin:28px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:2px}
.article-body ul li,.article-body ol li{
  position:relative;
  padding-left:22px;
  margin-bottom:.5em;
  line-height:1.8;
}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:7px;height:7px;border-radius:2px;background:var(--c-primary);
}
.article-body ol{counter-reset:artnum}
.article-body ol li{counter-increment:artnum}
.article-body ol li::before{
  content:counter(artnum);position:absolute;left:0;top:.15em;
  color:var(--c-primary);font-weight:700;font-size:15px;
}
.article-body blockquote{
  margin:28px 0;
  padding:20px 24px;
  border-left:4px solid var(--c-primary);
  background:var(--c-warm);
  border-radius:0 12px 12px 0;
  color:#33372F;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-card);margin:26px 0 10px;width:100%}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--c-muted);line-height:1.65;text-align:center}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:40px 0}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15.5px}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:12px 14px;text-align:left;vertical-align:top}
.article-body th{background:var(--c-warm);font-weight:600}
.article-body code{
  background:var(--c-warm);border:1px solid var(--c-line);
  border-radius:6px;padding:2px 6px;font-size:15px;
}
.article-body strong{font-weight:700;color:var(--c-deep)}

.article-empty{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:48px 32px;
  text-align:center;
}
.article-empty h2{font-size:25px;margin-bottom:12px}
.article-empty p{color:var(--c-muted);font-size:16px;margin-bottom:24px}

/* ============ 文末标签与分享 ============ */
.article-foot{
  margin-top:48px;padding-top:26px;
  border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;
  height:32px;padding:0 14px;
  border-radius:999px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  font-size:13px;font-weight:600;color:var(--c-muted);
  transition:border-color var(--tr),color var(--tr),background var(--tr);
}
.tag:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-l)}
.share-row{display:flex;align-items:center;gap:10px}

/* ============ 文章内导航 上/下篇 ============ */
.post-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
  margin-top:40px;
}
.post-nav-item{
  display:block;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:18px 20px;
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.post-nav-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-line-2)}
.post-nav-item.is-next{text-align:right}
.pn-label{display:block;font-size:13px;font-weight:600;color:var(--c-primary);margin-bottom:6px}
.pn-title{display:block;font-size:16px;font-weight:600;color:var(--c-text);line-height:1.5}
.post-nav-item:hover .pn-title{color:var(--c-primary)}

/* ============ 相关推荐 ============ */
.related{background:var(--c-surface);border-top:1px solid var(--c-line)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:34px;
}
.section-head h2{font-size:34px;font-weight:700;line-height:1.3}
.section-head p{margin:10px 0 0;color:var(--c-muted);font-size:16px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--c-primary);white-space:nowrap;
}
.text-link i{transition:transform var(--tr)}
.text-link:hover i{transform:translateX(4px)}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.card{
  display:flex;flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-line-2)}
.card-cover{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--c-warm)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease}
.card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1}
.card-cat{
  display:inline-flex;align-self:flex-start;
  height:26px;padding:0 11px;margin-bottom:12px;
  border-radius:999px;background:var(--c-primary-l);
  color:var(--c-primary-d);font-size:13px;font-weight:600;
}
.card h3{
  font-size:19px;font-weight:700;line-height:1.45;
  margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card:hover h3{color:var(--c-primary)}
.card p{
  font-size:15px;color:var(--c-muted);line-height:1.7;margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-muted);
}
.card-meta span{display:inline-flex;align-items:center;gap:6px}
.card-meta i{color:var(--c-primary);font-size:12px}
.card-meta .go{color:var(--c-primary);transition:transform var(--tr)}
.card:hover .card-meta .go{transform:translateX(4px)}

/* ============ 深色引导条 ============ */
.cta-band{background:var(--c-deep);color:var(--c-inv)}
.cta-inner{
  display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center;
  padding:64px 0;
}
.cta-inner h2{color:#fff;font-size:34px;line-height:1.3;margin-bottom:14px}
.cta-inner p{color:rgba(246,244,239,.78);font-size:16px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.btn-outline{background:transparent;color:#fff;border-color:rgba(246,244,239,.45)}
.btn-outline:hover{background:#fff;color:var(--c-deep);border-color:#fff;transform:translateY(-2px)}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-deep);
  color:var(--c-inv);
  padding:72px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(246,244,239,.16);
}
.footer-brand{
  display:inline-flex;align-items:center;gap:9px;
  font-size:20px;font-weight:800;color:#fff;margin-bottom:16px;
}
.footer-col p{font-size:14.5px;line-height:1.75;color:rgba(246,244,239,.72);margin:0 0 18px;max-width:340px}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:14px;color:rgba(246,244,239,.6)}
.footer-col h4{
  font-size:14px;font-weight:700;letter-spacing:.06em;
  color:var(--c-accent);margin-bottom:18px;
}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{font-size:14.5px;color:rgba(246,244,239,.78)}
.footer-col ul a:hover{color:var(--c-accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding-top:24px;font-size:13.5px;color:rgba(246,244,239,.6);
}
.legal{display:flex;flex-wrap:wrap;align-items:center;gap:18px}
.legal a{color:rgba(246,244,239,.6)}
.legal a:hover{color:var(--c-accent)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-left,.nav-right{display:none}
  .header-inner{grid-template-columns:auto 1fr auto;min-height:66px}
  .brand{justify-self:center;font-size:19px}
  .nav-toggle{display:inline-flex}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr;gap:24px;padding:52px 0}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  body{font-size:16.5px}
  .container{padding:0 18px}
  .section{padding:48px 0}
  .article-head{padding:28px 0 30px}
  .article-head h1{font-size:32px;margin:14px 0 18px}
  .article-body h2{font-size:25px;margin:44px 0 16px}
  .article-body h3{font-size:20px;margin:30px 0 12px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .article-wrap{padding:34px 0 52px}
  .crumb .current{max-width:200px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .section-head h2{font-size:25px}
  .card-grid{grid-template-columns:1fr;gap:16px}
  .post-nav{grid-template-columns:1fr;gap:12px}
  .post-nav-item.is-next{text-align:left}
  .article-foot{flex-direction:column;align-items:flex-start}
  .cta-inner h2{font-size:25px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:52px 0 24px}
}
@media (max-width:520px){
  .article-head h1{font-size:28px}
  .btn{width:100%}
  .share-row,.tag-row{width:100%}
  .share-row .btn{width:auto;flex:1}
}

/* roulang page: category1 */
:root{
  --c-primary:#E04E23;
  --c-primary-d:#B93A15;
  --c-primary-l:#FBE7DF;
  --c-deep:#10362E;
  --c-deep-2:#1B4A3F;
  --c-accent:#FFC53D;
  --c-accent-2:#C9E265;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-line:#E3DED4;
  --c-line-2:#D8D2C6;
  --c-text:#1E211F;
  --c-muted:#6B6F6A;
  --c-invert:#F6F4EF;
  --r-card:14px;
  --r-media:18px;
  --r-btn:10px;
  --r-input:8px;
  --sh-1:0 1px 2px rgba(16,54,46,.06);
  --sh-2:0 10px 28px -14px rgba(16,54,46,.22);
  --sp-section:80px;
  --sp-section-lg:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.8;
  letter-spacing:.015em;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-d);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-text);font-family:inherit;}
h1{font-size:46px;font-weight:800;line-height:1.22;letter-spacing:.01em;}
h2{font-size:34px;font-weight:700;line-height:1.3;}
h3{font-size:23px;font-weight:700;line-height:1.4;}
h4{font-size:18px;font-weight:600;line-height:1.5;}
p{margin:0 0 1.1em;line-height:1.8;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(224,78,35,.35);outline-offset:2px;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  text-align:center;white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:var(--c-surface);color:var(--c-deep);border-color:var(--c-line);}
.btn-ghost:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-l);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-invert{background:transparent;color:var(--c-invert);border-color:rgba(246,244,239,.6);}
.btn-invert:hover{background:var(--c-invert);color:var(--c-deep);transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;line-height:1.65;
  padding:4px 12px;border-radius:999px;
  background:var(--c-primary-l);color:var(--c-primary-d);
}
.tag-line{background:transparent;border:1px solid var(--c-line);color:var(--c-muted);}
.tag-accent{background:var(--c-accent);color:#3A2A00;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--c-primary);text-transform:uppercase;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--c-primary);display:block;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(16,54,46,.28);
  backdrop-filter:saturate(140%) blur(6px);
  transition:background .18s ease,box-shadow .18s ease,border-color .18s ease;
  border-bottom:1px solid rgba(246,244,239,.14);
}
.site-header.is-scrolled{
  background:var(--c-surface);
  box-shadow:var(--sh-1);
  border-bottom-color:var(--c-line);
}
.nav-wrap{
  max-width:1200px;margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  min-height:74px;gap:16px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:26px;}
.nav-right{justify-content:flex-end;}
.nav-link{
  position:relative;font-size:15.5px;font-weight:600;letter-spacing:.01em;
  color:var(--c-invert);padding:6px 2px;transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--c-primary);transition:width .2s ease;
}
.nav-link:hover{color:var(--c-accent);}
.nav-link:hover::after{width:60%;}
.site-header.is-scrolled .nav-link{color:var(--c-text);}
.site-header.is-scrolled .nav-link:hover{color:var(--c-primary);}
.nav-link.is-active{
  background:rgba(246,244,239,.18);border-radius:999px;padding:6px 14px;color:var(--c-invert);
}
.site-header.is-scrolled .nav-link.is-active{
  background:var(--c-line);color:var(--c-deep);
}
.nav-link.is-active::after{display:none;}
.brand{
  display:inline-flex;align-items:center;gap:9px;
  font-size:20px;font-weight:800;letter-spacing:.01em;
  white-space:nowrap;
}
.brand-mark{
  width:10px;height:10px;border-radius:3px;background:var(--c-primary);
  display:inline-block;flex:0 0 auto;
}
.brand-text{color:var(--c-invert);transition:color .18s ease;}
.site-header.is-scrolled .brand-text{color:var(--c-primary);}
.brand:hover .brand-text{color:var(--c-accent);}
.site-header.is-scrolled .brand:hover .brand-text{color:var(--c-primary-d);}
.nav-cta{margin-left:6px;}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:var(--r-btn);
  border:1px solid rgba(246,244,239,.4);background:transparent;
  color:var(--c-invert);font-size:18px;cursor:pointer;align-items:center;justify-content:center;
}
.site-header.is-scrolled .nav-toggle{color:var(--c-deep);border-color:var(--c-line);}
.mobile-panel{
  display:none;background:var(--c-surface);border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-2);
}
.mobile-panel.is-open{display:block;}
.mobile-panel ul{margin:0;padding:0;}
.mobile-panel li{border-bottom:1px solid var(--c-line);}
.mobile-panel li:last-child{border-bottom:none;padding:14px 24px 20px;}
.mobile-panel a.m-link{
  display:flex;align-items:center;min-height:52px;padding:0 24px;
  font-size:16px;font-weight:600;color:var(--c-text);
}
.mobile-panel a.m-link:hover{color:var(--c-primary);background:#FBF9F5;}
.mobile-panel a.m-link.is-active{color:var(--c-primary);background:var(--c-primary-l);}

/* ---------- KV ---------- */
.kv{
  position:relative;isolation:isolate;
  min-height:330px;display:flex;align-items:flex-end;
  margin-top:-74px;padding:130px 0 46px;
  background-image:linear-gradient(180deg,rgba(16,54,46,.82) 0%,rgba(16,54,46,.72) 45%,rgba(16,54,46,.9) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:var(--c-invert);
}
.kv .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:rgba(246,244,239,.78);margin-bottom:18px;}
.breadcrumb a{color:rgba(246,244,239,.78);}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb .sep{opacity:.55;}
.kv h1{color:#fff;max-width:18em;}
.kv .kv-sub{margin:14px 0 0;font-size:18px;line-height:1.7;color:rgba(246,244,239,.9);max-width:36em;}
.kv-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.kv-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}

/* ---------- 导语条 ---------- */
.lede{
  background:var(--c-surface);border-bottom:1px solid var(--c-line);
}
.lede-inner{
  display:flex;gap:20px;align-items:flex-start;
  padding:26px 0;
}
.lede-inner i{color:var(--c-primary);font-size:20px;margin-top:5px;}
.lede-inner p{margin:0;font-size:17px;color:var(--c-text);max-width:62em;}

/* ---------- 板块 ---------- */
.section{padding:var(--sp-section) 0;}
.section + .section{border-top:1px solid var(--c-line);}
.section-alt{background:var(--c-bg);}
.section-surface{background:var(--c-surface);}
.section-deep{background:var(--c-deep);color:var(--c-invert);}
.section-deep h2,.section-deep h3{color:#fff;}
.section-deep p{color:rgba(246,244,239,.86);}
.section-head{max-width:52em;margin-bottom:40px;}
.section-head h2{margin-top:14px;}
.section-head p{margin-top:14px;color:var(--c-muted);font-size:17px;}
.section-deep .section-head p{color:rgba(246,244,239,.8);}

/* ---------- 行式条目列表 ---------- */
.row-list{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.row-item{
  display:flex;align-items:flex-start;gap:22px;
  padding:24px 26px;border-bottom:1px solid var(--c-line);
  transition:background .18s ease,padding .18s ease;
}
.row-item:last-child{border-bottom:none;}
.row-item:hover{background:#FBF9F5;}
.row-num{
  flex:0 0 auto;font-size:24px;font-weight:800;line-height:1.2;
  color:var(--c-primary);font-variant-numeric:tabular-nums;
  transition:transform .18s ease;min-width:44px;
}
.row-item:hover .row-num{transform:translateX(-4px);}
.row-body{flex:1 1 auto;min-width:0;}
.row-body h3{font-size:19px;margin-bottom:6px;}
.row-body p{margin:0;color:var(--c-muted);font-size:16px;line-height:1.75;}
.row-arrow{
  flex:0 0 auto;color:var(--c-line-2);font-size:17px;margin-top:6px;
  transition:transform .18s ease,color .18s ease;
}
.row-item:hover .row-arrow{transform:translateX(4px);color:var(--c-primary);}

/* ---------- 图文区块 ---------- */
.media-figure{
  border-radius:var(--r-media);overflow:hidden;box-shadow:var(--sh-2);
  border:1px solid var(--c-line);
}
.media-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
.media-figure:hover img{transform:scale(1.03);}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:14px 0;border-bottom:1px dashed var(--c-line);
}
.check-list li:last-child{border-bottom:none;}
.check-list i{color:var(--c-primary);font-size:15px;margin-top:8px;}
.check-list strong{display:block;font-size:17px;font-weight:600;margin-bottom:2px;}
.check-list span{color:var(--c-muted);font-size:15.5px;line-height:1.7;}

/* ---------- 状态卡 ---------- */
.tile{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:26px;height:100%;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.tile:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-line-2);}
.tile h3{font-size:19px;margin:14px 0 8px;}
.tile p{margin:0;color:var(--c-muted);font-size:15.8px;line-height:1.75;}
.tile-icon{
  width:44px;height:44px;border-radius:12px;background:var(--c-primary-l);
  color:var(--c-primary-d);display:flex;align-items:center;justify-content:center;font-size:18px;
}
.tile-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-top:16px;}

/* ---------- CTA 条 ---------- */
.cta-bar{
  background:var(--c-primary);
  border-radius:var(--r-card);
  padding:26px 30px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  box-shadow:var(--sh-2);
}
.cta-bar h3{color:#fff;font-size:22px;margin:0 0 4px;}
.cta-bar p{margin:0;color:rgba(255,255,255,.9);font-size:15.5px;}
.cta-bar .btn-invert{border-color:rgba(255,255,255,.8);color:#fff;background:rgba(255,255,255,.1);}
.cta-bar .btn-invert:hover{background:#fff;color:var(--c-primary-d);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;position:relative;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;
  transition:background .2s ease;
}
.faq-item[open]::before{background:var(--c-primary);}
.faq-item summary{
  cursor:pointer;list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--c-text);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-item[open] summary{font-weight:700;color:var(--c-text);}
.faq-item summary .fa-chevron-down{
  flex:0 0 auto;color:var(--c-muted);font-size:14px;transition:transform .2s ease;
}
.faq-item[open] summary .fa-chevron-down{transform:rotate(180deg);color:var(--c-primary);}
.faq-body{padding:0 24px 22px;font-size:17px;line-height:1.8;color:var(--c-muted);border-top:1px solid transparent;}
.faq-item[open] .faq-body{border-top-color:var(--c-line);padding-top:16px;}

/* ---------- 深色信息区 ---------- */
.deep-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.deep-card{
  background:var(--c-deep-2);border:1px solid rgba(246,244,239,.14);border-radius:var(--r-card);
  padding:24px;
}
.deep-card h3{font-size:18px;margin-bottom:8px;}
.deep-card p{margin:0;font-size:15.5px;line-height:1.75;color:rgba(246,244,239,.82);}
.deep-card .num{font-size:13px;font-weight:700;color:var(--c-accent);letter-spacing:.06em;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-deep);color:var(--c-invert);padding:64px 0 26px;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:38px;
}
.footer-brand{
  display:inline-flex;align-items:center;gap:9px;
  font-size:20px;font-weight:800;color:#fff;margin-bottom:14px;
}
.footer-col p{color:rgba(246,244,239,.76);font-size:15.5px;line-height:1.75;margin:0 0 16px;}
.footer-col h4{
  font-size:14px;font-weight:700;letter-spacing:.06em;color:var(--c-accent);
  text-transform:uppercase;margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{color:rgba(246,244,239,.82);font-size:15.5px;}
.footer-col ul a:hover{color:var(--c-accent);}
.footer-contact{display:flex;flex-direction:column;gap:6px;font-size:14px;color:rgba(246,244,239,.66);}
.footer-bottom{
  border-top:1px solid rgba(246,244,239,.16);
  padding-top:20px;display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;
  font-size:14px;color:rgba(246,244,239,.66);
}
.footer-bottom .legal{display:flex;flex-wrap:wrap;gap:18px;align-items:center;}
.footer-bottom .legal a{color:rgba(246,244,239,.72);}
.footer-bottom .legal a:hover{color:var(--c-accent);}

/* ---------- 工具 ---------- */
.mt-24{margin-top:24px;}
.text-muted{color:var(--c-muted);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-left,.nav-right{display:none;}
  .nav-wrap{grid-template-columns:1fr auto 1fr;min-height:64px;}
  .nav-toggle{display:inline-flex;}
  .nav-wrap .brand{justify-self:center;}
  .header-slot-right{display:flex;justify-content:flex-end;}
  .kv{margin-top:-64px;padding-top:112px;min-height:300px;}
  h1{font-size:36px;}
  h2{font-size:28px;}
  .deep-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sp-section:48px;--sp-section-lg:56px;}
  .container{padding:0 18px;}
  .nav-wrap{padding:0 18px;}
  h1{font-size:32px;}
  h2{font-size:25px;}
  h3{font-size:20px;}
  body{font-size:16.5px;}
  .kv{min-height:400px;padding:104px 0 38px;}
  .kv .kv-sub{font-size:16.5px;}
  .kv-actions .btn{width:100%;}
  .section-head{margin-bottom:28px;}
  .row-item{padding:20px 18px;gap:16px;}
  .row-num{font-size:21px;min-width:34px;}
  .row-body h3{font-size:17.5px;}
  .row-body p{font-size:15.5px;}
  .deep-grid{grid-template-columns:1fr;}
  .cta-bar{padding:22px 20px;flex-direction:column;align-items:flex-start;}
  .cta-bar .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  h1{font-size:29px;}
  .brand{font-size:18px;}
  .lede-inner{padding:20px 0;gap:14px;}
  .lede-inner p{font-size:16px;}
  .tile{padding:20px;}
  .faq-item summary{padding:16px 18px;font-size:16px;}
  .faq-body{padding:0 18px 18px;font-size:16px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#E04E23;
  --c-primary-d:#B93A15;
  --c-primary-l:#FBE7DF;
  --c-deep:#10362E;
  --c-deep-2:#1B4A3F;
  --c-accent:#FFC53D;
  --c-accent-2:#C9E265;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-line:#E3DED4;
  --c-line-2:#D8D2C6;
  --c-text:#1E211F;
  --c-muted:#6B6F6A;
  --c-inverse:#F6F4EF;
  --c-hover:#FBF9F5;
  --r-card:14px;
  --r-lg:18px;
  --r-btn:10px;
  --r-input:8px;
  --sh-1:0 1px 2px rgba(16,54,46,.06);
  --sh-2:0 10px 28px -14px rgba(16,54,46,.22);
  --gutter:24px;
  --sp-section:80px;
  --sp-section-sm:48px;
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}

/* ---------- base reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.8;
  letter-spacing:.015em;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-deep);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:hover,a:focus{color:var(--c-primary);}
h1,h2,h3,h4{margin:0;color:var(--c-text);letter-spacing:.01em;}
h1{font-size:46px;font-weight:800;line-height:1.22;}
h2{font-size:34px;font-weight:700;line-height:1.3;}
h3{font-size:23px;font-weight:700;line-height:1.45;}
h4{font-size:18px;font-weight:600;line-height:1.5;}
p{margin:0 0 1.1em;line-height:1.8;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:16px;}
:focus-visible{outline:3px solid rgba(224,78,35,.35);outline-offset:2px;}
.grid-container,.container{max-width:1200px;width:100%;margin:0 auto;padding-left:24px;padding-right:24px;}

/* foundation grid gutter tuned to design system */
.grid-x{margin-left:-12px;margin-right:-12px;}
.grid-x>.cell{padding-left:12px;padding-right:12px;}
.medium-6,.large-4,.large-6,.large-8,.large-3,.large-5,.large-7{width:100%;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.site-header.is-scrolled{
  background:var(--c-surface);
  box-shadow:var(--sh-1);
  border-bottom-color:var(--c-line);
}
.header-inner{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  height:78px;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:22px;}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;}
.nav-link{
  position:relative;
  font-size:15.5px;
  font-weight:500;
  color:var(--c-text);
  padding:6px 2px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:60%;
  height:2px;
  background:var(--c-primary);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .18s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{
  color:var(--c-deep);
  font-weight:600;
  background:var(--c-line);
  border-radius:999px;
  padding:6px 14px;
}
.nav-link.is-active::after{display:none;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:20px;
  font-weight:800;
  color:var(--c-text);
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--c-text);}
.brand-mark{
  width:26px;
  height:26px;
  border-radius:8px;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-d) 100%);
  position:relative;
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:8px 7px auto 7px;
  height:2px;
  background:var(--c-accent);
  box-shadow:0 5px 0 var(--c-accent),0 10px 0 rgba(255,197,61,.55);
}
.brand em{font-style:normal;color:var(--c-primary);}
.nav-toggle{
  display:none;
  width:46px;
  height:46px;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  border-radius:12px;
  color:var(--c-deep);
  font-size:18px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  transition:border-color .18s ease,color .18s ease;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}
.mobile-panel{
  display:none;
  background:var(--c-surface);
  border-top:1px solid var(--c-line);
  box-shadow:var(--sh-2);
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:block;
  padding:0 24px;
  line-height:52px;
  font-size:16px;
  border-bottom:1px solid var(--c-line);
  color:var(--c-text);
}
.mobile-panel a:hover{background:var(--c-hover);color:var(--c-primary);}
.mobile-panel .mobile-cta{
  margin:16px 24px 20px;
  width:calc(100% - 48px);
  text-align:center;
  line-height:46px;
  padding:0;
  border-bottom:0;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:16px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover,.btn-primary:focus{background:var(--c-primary-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:var(--c-surface);color:var(--c-deep);border-color:var(--c-line);}
.btn-ghost:hover,.btn-ghost:focus{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-l);}
.btn-ghost:active{transform:translateY(1px);}
.btn-outline-light{background:transparent;color:var(--c-inverse);border-color:rgba(246,244,239,.6);}
.btn-outline-light:hover,.btn-outline-light:focus{background:var(--c-inverse);color:var(--c-deep);}
.nav-cta{min-height:40px;padding:0 20px;font-size:15px;}
.btn-sm{min-height:42px;padding:0 20px;font-size:15px;}

/* ---------- page hero (KV) ---------- */
.page-hero{
  position:relative;
  min-height:320px;
  display:flex;
  align-items:flex-end;
  background-image:linear-gradient(100deg,rgba(16,54,46,.94) 0%,rgba(16,54,46,.78) 45%,rgba(16,54,46,.44) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  color:var(--c-inverse);
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-60px;
  bottom:-80px;
  width:280px;
  height:280px;
  border-radius:50%;
  border:1px dashed rgba(255,197,61,.35);
}
.page-hero-inner{
  position:relative;
  z-index:2;
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:68px 24px 56px;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:rgba(246,244,239,.78);
  margin-bottom:18px;
}
.breadcrumb a{color:rgba(246,244,239,.78);}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb span.sep{color:rgba(246,244,239,.4);}
.page-hero h1{
  color:var(--c-inverse);
  max-width:820px;
  margin-bottom:16px;
}
.page-hero p.hero-sub{
  max-width:640px;
  font-size:17px;
  line-height:1.8;
  color:rgba(246,244,239,.88);
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--c-deep);
  background:var(--c-accent);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:18px;
}

/* ---------- facts strip ---------- */
.facts-wrap{position:relative;z-index:3;margin-top:-38px;}
.facts{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.fact{
  padding:24px 26px;
  border-right:1px solid var(--c-line);
}
.fact:last-child{border-right:0;}
.fact .fact-label{font-size:13px;font-weight:600;color:var(--c-muted);letter-spacing:.04em;display:block;margin-bottom:8px;}
.fact .fact-value{font-size:20px;font-weight:800;color:var(--c-deep);line-height:1.4;}
.fact .fact-value em{font-style:normal;color:var(--c-primary);}

/* ---------- sections ---------- */
.section{padding:var(--sp-section) 0;}
.section-tight{padding:56px 0;}
.section-alt{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-deep{background:var(--c-deep);color:var(--c-inverse);margin:24px 0;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--c-primary);
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-head .eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--c-primary);
  display:inline-block;
}
.section-head h2{margin-bottom:16px;}
.section-head p{color:var(--c-muted);font-size:17px;margin:0;}
.lead-band{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-left:4px solid var(--c-primary);
  border-radius:var(--r-card);
  padding:26px 28px;
  box-shadow:var(--sh-1);
  display:grid;
  grid-template-columns:1.6fr 1fr;
  gap:28px;
  align-items:center;
}
.lead-band p{margin:0;font-size:17.5px;color:var(--c-text);}
.lead-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end;}
.chip{
  font-size:13px;
  font-weight:600;
  color:var(--c-deep);
  background:var(--c-primary-l);
  border-radius:999px;
  padding:6px 14px;
}

/* ---------- split media rows ---------- */
.split-row{align-items:center;margin-bottom:64px;}
.split-row:last-child{margin-bottom:0;}
.split-media{position:relative;}
.split-media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  transition:transform .35s ease,box-shadow .35s ease;
}
.split-media:hover img{transform:scale(1.015);}
.split-step{
  position:absolute;
  top:-16px;
  left:-6px;
  background:var(--c-deep);
  color:var(--c-inverse);
  font-size:14px;
  font-weight:700;
  letter-spacing:.06em;
  border-radius:999px;
  padding:8px 18px;
  box-shadow:var(--sh-2);
}
.split-step em{font-style:normal;color:var(--c-accent);margin-right:6px;}
.split-body h3{margin-bottom:14px;}
.split-body p{color:var(--c-muted);margin-bottom:16px;}
.check-list li{
  position:relative;
  padding-left:26px;
  margin-bottom:10px;
  font-size:16px;
  color:var(--c-text);
  line-height:1.75;
}
.check-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  left:0;
  top:1px;
  color:var(--c-primary);
  font-size:13px;
}

/* ---------- row list ---------- */
.row-list{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.row-item{
  display:grid;
  grid-template-columns:64px 1fr 22px;
  gap:18px;
  align-items:center;
  padding:22px 26px;
  border-bottom:1px solid var(--c-line);
  transition:background-color .18s ease;
}
.row-item:last-child{border-bottom:0;}
.row-item:hover{background:var(--c-hover);}
.row-item:hover .row-index{transform:translateX(-4px);}
.row-index{
  font-size:22px;
  font-weight:800;
  color:var(--c-primary);
  line-height:1;
  transition:transform .18s ease;
}
.row-content h4{margin-bottom:6px;}
.row-content p{margin:0;font-size:15.5px;color:var(--c-muted);line-height:1.7;}
.row-arrow{color:var(--c-line-2);transition:color .18s ease,transform .18s ease;}
.row-item:hover .row-arrow{color:var(--c-primary);transform:translateX(4px);}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";
  position:absolute;
  left:9px;
  top:8px;
  bottom:8px;
  width:2px;
  background-image:linear-gradient(to bottom,var(--c-line) 0 8px,transparent 8px 16px);
  background-size:2px 16px;
}
.tl-item{position:relative;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:-33px;
  top:8px;
  width:12px;
  height:12px;
  border-radius:50%;
  background:var(--c-accent);
  box-shadow:0 0 0 4px var(--c-primary-l);
}
.tl-badge{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  color:var(--c-primary-d);
  background:var(--c-primary-l);
  border-radius:999px;
  padding:4px 12px;
  margin-bottom:10px;
}
.tl-item h3{font-size:20px;margin-bottom:8px;}
.tl-item p{color:var(--c-muted);margin:0;font-size:16px;}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:box-shadow .18s ease,border-color .18s ease;
}
.faq-item:hover{box-shadow:var(--sh-2);border-color:var(--c-line-2);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 24px 20px 26px;
  font-size:17.5px;
  font-weight:600;
  color:var(--c-text);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  position:relative;
  border-left:3px solid transparent;
  transition:border-color .2s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  color:var(--c-muted);
  transition:transform .2s ease,color .2s ease;
  flex:0 0 auto;
}
.faq-item[open] summary{border-left-color:var(--c-primary);font-weight:700;}
.faq-item[open] summary::after{transform:rotate(180deg);color:var(--c-primary);}
.faq-item .faq-body{
  padding:0 26px 22px 26px;
  font-size:17px;
  line-height:1.8;
  color:var(--c-muted);
  border-top:1px solid var(--c-line);
  padding-top:18px;
  margin-top:-1px;
}
.faq-item .faq-body p{margin:0;}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--c-primary);
  color:#fff;
  border-radius:var(--r-lg);
  padding:34px 36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  box-shadow:var(--sh-2);
}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:8px;}
.cta-band p{margin:0;color:rgba(255,255,255,.88);font-size:16px;}
.cta-band .btn{background:#fff;color:var(--c-primary-d);border-color:#fff;}
.cta-band .btn:hover{background:var(--c-deep);color:var(--c-inverse);border-color:var(--c-deep);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--c-deep);
  color:var(--c-inverse);
  padding:72px 0 32px;
  margin-top:24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(246,244,239,.16);
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:20px;
  font-weight:800;
  color:var(--c-inverse);
  margin-bottom:14px;
}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--c-accent) 0%,#E2A21B 100%);}
.footer-brand .brand-mark::after{background:var(--c-deep);box-shadow:0 5px 0 var(--c-deep),0 10px 0 rgba(16,54,46,.5);}
.footer-col p{color:rgba(246,244,239,.72);font-size:15px;line-height:1.8;margin:0 0 16px;}
.footer-contact{display:grid;gap:6px;font-size:14px;color:rgba(246,244,239,.66);}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--c-accent);
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col ul a{color:rgba(246,244,239,.78);font-size:15px;}
.footer-col ul a:hover{color:var(--c-accent);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding-top:24px;
  font-size:14px;
  color:rgba(246,244,239,.6);
}
.footer-bottom .legal{display:flex;flex-wrap:wrap;gap:18px;align-items:center;}
.footer-bottom .legal a{color:rgba(246,244,239,.66);}
.footer-bottom .legal a:hover{color:var(--c-accent);}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  h1{font-size:34px;}
  h2{font-size:26px;}
  h3{font-size:21px;}
  .nav-left,.nav-right{display:none;}
  .header-inner{grid-template-columns:auto 1fr auto;height:68px;}
  .brand{justify-self:center;font-size:19px;}
  .nav-toggle{display:inline-flex;}
  .split-row{margin-bottom:48px;}
  .split-row .split-media{margin-bottom:26px;}
  .split-row.is-reverse .split-media{order:-1;}
  .facts{grid-template-columns:repeat(2,1fr);}
  .fact:nth-child(2){border-right:0;}
  .fact:nth-child(1),.fact:nth-child(2){border-bottom:1px solid var(--c-line);}
  .lead-band{grid-template-columns:1fr;gap:18px;}
  .lead-chips{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:639px){
  body{font-size:16.5px;}
  h1{font-size:32px;}
  h2{font-size:25px;}
  h3{font-size:20px;}
  h4{font-size:17px;}
  .container,.grid-container{padding-left:18px;padding-right:18px;}
  .header-inner{padding:0 18px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:32px;}
  .page-hero{min-height:420px;}
  .page-hero-inner{padding:52px 18px 44px;}
  .hero-actions .btn{width:100%;}
  .facts-wrap{margin-top:-24px;}
  .facts{grid-template-columns:1fr;}
  .fact{border-right:0;border-bottom:1px solid var(--c-line);padding:20px;}
  .fact:last-child{border-bottom:0;}
  .row-item{grid-template-columns:44px 1fr;padding:18px;}
  .row-arrow{display:none;}
  .lead-band{padding:22px 20px;}
  .cta-band{padding:26px 22px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .timeline{padding-left:28px;}
  .tl-item::before{left:-27px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#E04E23;
  --c-primary-d:#B93A15;
  --c-primary-l:#FBE7DF;
  --c-deep:#10362E;
  --c-deep-2:#1B4A3F;
  --c-accent:#FFC53D;
  --c-accent-2:#C9E265;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-line:#E3DED4;
  --c-line-strong:#D8D2C6;
  --c-text:#1E211F;
  --c-muted:#6B6F6A;
  --c-invert:#F6F4EF;
  --r-card:14px;
  --r-lg:18px;
  --r-btn:10px;
  --r-input:8px;
  --sh-1:0 1px 2px rgba(16,54,46,.06);
  --sh-2:0 10px 28px -14px rgba(16,54,46,.22);
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.8;
  letter-spacing:.015em;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
h1,h2,h3,h4,h5,h6{
  margin:0 0 .7em;
  color:var(--c-text);
  font-family:var(--font-sans);
  letter-spacing:.01em;
  line-height:1.3;
}
h1{font-size:46px;font-weight:800;line-height:1.22;letter-spacing:.01em;}
h2{font-size:34px;font-weight:700;}
h3{font-size:23px;font-weight:700;}
h4{font-size:18px;font-weight:600;}
p{margin:0 0 1.1em;font-size:17px;line-height:1.8;}
ul,ol{margin:0 0 1.1em;padding-left:1.2em;}
li{margin-bottom:.5em;font-size:17px;line-height:1.8;}
li:last-child{margin-bottom:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid rgba(224,78,35,.35);outline-offset:2px;}
::selection{background:var(--c-primary-l);color:var(--c-primary-d);}

/* ---------- 容器与栅格 ---------- */
.grid-container{
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.grid-x{display:flex;flex-wrap:wrap;align-items:flex-start;}
.grid-x > .cell{width:100%;min-width:0;}
.grid-x.gutter{margin-left:-12px;margin-right:-12px;}
.grid-x.gutter > .cell{padding-left:12px;padding-right:12px;}
@media screen and (min-width:640px){
  .grid-x > .cell.medium-6{width:50%;}
  .grid-x > .cell.medium-4{width:33.3333%;}
}
@media screen and (min-width:1024px){
  .grid-x > .cell.large-3{width:25%;}
  .grid-x > .cell.large-4{width:33.3333%;}
  .grid-x > .cell.large-5{width:41.6666%;}
  .grid-x > .cell.large-6{width:50%;}
  .grid-x > .cell.large-7{width:58.3333%;}
  .grid-x > .cell.large-8{width:66.6666%;}
  .grid-x > .cell.large-10{width:83.3333%;}
}

/* ---------- 通用组件 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;line-height:1;
  padding:6px 13px;border-radius:999px;
  background:var(--c-primary-l);color:var(--c-primary-d);
  margin-bottom:16px;
}
.badge-accent{background:rgba(255,197,61,.26);color:#7A5700;}
.badge-deep{background:rgba(16,54,46,.08);color:var(--c-deep);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn i{font-size:14px;}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-d);transform:translateY(-2px);box-shadow:var(--sh-2);color:#fff;}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:var(--c-surface);border-color:var(--c-line);color:var(--c-deep);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-l);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{background:#FFFFFF;color:var(--c-primary-d);border-color:#FFFFFF;}
.btn-light:hover{background:var(--c-primary-l);color:var(--c-primary-d);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-outline-light{background:transparent;border-color:rgba(246,244,239,.6);color:var(--c-invert);}
.btn-outline-light:hover{background:var(--c-invert);color:var(--c-deep);transform:translateY(-2px);}
.btn-block{width:100%;}

.card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  height:100%;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-line-strong);}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-deep-2);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-cover img{transform:scale(1.03);}
.card-body{padding:24px 24px 26px;}
.card-body h3{font-size:20px;margin:0 0 10px;transition:color .18s ease;}
.card:hover .card-body h3{color:var(--c-primary);}
.card-body p{margin:0;font-size:15px;line-height:1.75;color:var(--c-muted);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:var(--sh-1);
  border-bottom-color:var(--c-line);
}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  min-height:74px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;
}
.header-side{display:flex;align-items:center;}
.header-left{justify-content:flex-start;}
.header-right{justify-content:flex-end;gap:18px;}
.nav-left,.nav-right{display:flex;align-items:center;gap:22px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  font-size:15px;font-weight:600;color:var(--c-text);padding:9px 2px;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:3px;height:2px;width:0;
  background:var(--c-primary);transition:width .18s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{width:60%;}
.nav-link.is-active{background:var(--c-line);border-radius:999px;padding:9px 14px;}
.nav-link.is-active::after{display:none;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;letter-spacing:.01em;color:var(--c-deep);
  white-space:nowrap;
}
.brand-mark{width:10px;height:10px;border-radius:3px;background:var(--c-primary);flex:0 0 auto;}
.brand:hover{color:var(--c-primary);}
.brand:hover .brand-mark{background:var(--c-deep);}
.btn-nav{min-height:42px;padding:0 22px;font-size:14px;}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-deep);cursor:pointer;align-items:center;justify-content:center;
  transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-l);}
.mobile-panel{
  display:none;position:absolute;left:0;right:0;top:100%;
  background:var(--c-surface);border-top:1px solid var(--c-line);
  box-shadow:var(--sh-2);padding:6px 0 18px;
}
.mobile-panel.is-open{display:block;}
.mobile-panel nav{max-width:1200px;margin:0 auto;padding:0 18px;display:block;}
.m-link{
  display:flex;align-items:center;min-height:52px;
  border-bottom:1px solid var(--c-line);
  font-size:16px;font-weight:600;color:var(--c-text);
}
.m-link:hover,.m-link.is-active{color:var(--c-primary);}
.m-cta{margin-top:16px;width:100%;}

/* ---------- KV ---------- */
.kv{
  position:relative;
  color:var(--c-invert);
  background-image:linear-gradient(100deg,rgba(16,54,46,.94) 0%,rgba(16,54,46,.78) 46%,rgba(16,54,46,.42) 100%),url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center;
  padding:52px 0 56px;
  min-height:310px;
  display:flex;
  align-items:center;
}
.kv h1{color:var(--c-invert);margin:14px 0 14px;max-width:820px;}
.kv-sub{
  color:rgba(246,244,239,.86);font-size:17px;line-height:1.75;
  max-width:640px;margin:0 0 26px;
}
.kv-actions{display:flex;flex-wrap:wrap;gap:14px;}
.crumb{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(246,244,239,.72);}
.crumb a{color:rgba(246,244,239,.72);}
.crumb a:hover{color:var(--c-accent);}
.crumb .crumb-cur{color:var(--c-accent);font-weight:600;}

/* ---------- 板块 ---------- */
.section{padding:80px 0;border-top:1px solid transparent;}
.section-surface{
  background:var(--c-surface);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
}
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-head h2{margin:0 0 14px;}
.sec-desc{margin:0;color:var(--c-muted);font-size:16px;line-height:1.75;}
.lead-title{font-size:30px;margin:0 0 16px;}
.lead-text{margin:0;color:var(--c-muted);font-size:17px;line-height:1.85;}

/* 数据条 */
.stat-strip{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:24px;margin-top:44px;
}
.stat{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.stat:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-line-strong);}
.stat b{display:block;font-size:28px;font-weight:800;color:var(--c-deep);line-height:1.2;letter-spacing:-.01em;}
.stat span{display:block;margin-top:8px;font-size:14px;line-height:1.65;color:var(--c-muted);}

/* 侧图 */
.side-figure{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);
  background:var(--c-surface);box-shadow:var(--sh-1);
}
.side-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.fig-cap{
  margin:0;padding:14px 18px;font-size:13px;line-height:1.65;color:var(--c-muted);
  background:var(--c-surface);border-top:1px solid var(--c-line);
}

/* 步骤条 */
.steps{position:relative;list-style:none;margin:0;padding:0 0 0 0;}
.steps::before{
  content:"";position:absolute;left:47px;top:26px;bottom:26px;width:2px;
  background-image:repeating-linear-gradient(180deg,var(--c-line) 0 6px,transparent 6px 12px);
}
.step{
  position:relative;display:grid;grid-template-columns:96px 1fr;gap:24px;
  padding:26px 0;border-bottom:1px solid var(--c-line);
}
.step:last-child{border-bottom:none;}
.step-num{
  justify-self:center;align-self:start;
  display:flex;align-items:center;justify-content:center;
  width:54px;height:54px;border-radius:50%;
  background:var(--c-primary-l);color:var(--c-primary-d);
  font-size:18px;font-weight:800;letter-spacing:0;
  position:relative;z-index:1;
}
.step-body h3{margin:0 0 8px;font-size:21px;}
.step-body p{margin:0;color:var(--c-muted);font-size:16px;line-height:1.8;}
.step-tag{
  display:inline-block;margin-left:10px;vertical-align:2px;
  font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;
  background:rgba(255,197,61,.3);color:#6E4E00;
}

/* 行式条目列表 */
.rowlist{border-top:1px solid var(--c-line);}
.rowitem{
  display:grid;grid-template-columns:56px 1fr 36px;align-items:center;gap:16px;
  padding:20px 8px;border-bottom:1px solid var(--c-line);
  transition:background-color .18s ease;
}
.rowitem:hover{background:#FBF9F5;}
.rowidx{
  font-size:24px;font-weight:800;color:var(--c-primary);line-height:1;
  transition:transform .18s ease;
}
.rowitem:hover .rowidx{transform:translateX(-4px);}
.rowitem h3{font-size:18px;margin:0 0 5px;}
.rowitem p{margin:0;font-size:14px;line-height:1.7;color:var(--c-muted);}
.rowarrow{
  color:var(--c-muted);font-size:15px;text-align:center;
  transition:transform .18s ease,color .18s ease;
}
.rowitem:hover .rowarrow{transform:translateX(4px);color:var(--c-primary);}

/* 图文卡片组 */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}

/* FAQ */
.faq-list{max-width:860px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);margin-bottom:14px;overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:var(--c-line-strong);box-shadow:var(--sh-1);}
.faq-item[open]{border-left:3px solid var(--c-primary);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:20px 24px;font-size:17px;font-weight:600;color:var(--c-text);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-item[open] summary{font-weight:700;}
.faq-ico{
  flex:0 0 auto;color:var(--c-primary);font-size:15px;
  transition:transform .2s ease;
}
.faq-item[open] .faq-ico{transform:rotate(180deg);}
.faq-ans{padding:0 24px 22px;font-size:16.5px;line-height:1.8;color:var(--c-muted);}

/* CTA 条 */
.cta-bar{
  background:var(--c-primary);color:#fff;border-radius:var(--r-lg);
  padding:34px 36px;display:flex;align-items:center;justify-content:space-between;
  gap:26px;flex-wrap:wrap;box-shadow:var(--sh-2);
}
.cta-bar h2{color:#fff;font-size:26px;margin:0 0 8px;}
.cta-bar p{color:rgba(255,255,255,.88);margin:0;font-size:15px;line-height:1.7;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-deep);color:var(--c-invert);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;color:var(--c-invert);margin-bottom:14px;
}
.footer-brand .brand-mark{background:var(--c-primary);}
.footer-col p{font-size:14.5px;line-height:1.75;color:rgba(246,244,239,.72);margin:0;}
.footer-contact{display:flex;flex-direction:column;gap:6px;margin-top:16px;font-size:14px;color:rgba(246,244,239,.62);}
.footer-col h4{
  font-size:14px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  color:var(--c-accent);margin:0 0 16px;
}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;font-size:15px;}
.footer-col li a{color:rgba(246,244,239,.82);font-size:15px;}
.footer-col li a:hover{color:var(--c-accent);}
.footer-bottom{
  border-top:1px solid rgba(246,244,239,.16);margin-top:36px;padding-top:20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:14px;color:rgba(246,244,239,.66);
}
.legal{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.legal a{color:rgba(246,244,239,.66);}
.legal a:hover{color:var(--c-accent);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .nav-left,.nav-right,.btn-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{grid-template-columns:auto 1fr auto;min-height:66px;}
  .header-left{order:1;}
  .brand{order:2;justify-self:start;padding-left:4px;}
  .header-right{order:3;}
  .kv{padding:44px 0 46px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .card-grid{grid-template-columns:1fr;}
}
@media screen and (max-width:767px){
  h1{font-size:32px;}
  h2{font-size:25px;}
  h3{font-size:20px;}
  body,p,li{font-size:16.5px;}
  .grid-container{padding-left:18px;padding-right:18px;}
  .section{padding:48px 0;}
  .sec-head{margin-bottom:30px;}
  .lead-title{font-size:24px;}
  .stat-strip{grid-template-columns:1fr;gap:16px;margin-top:32px;}
  .grid-x.gutter{margin-left:-8px;margin-right:-8px;}
  .grid-x.gutter > .cell{padding-left:8px;padding-right:8px;}
  .grid-x.gutter > .cell + .cell{margin-top:16px;}
  .steps::before{left:31px;}
  .step{grid-template-columns:64px 1fr;gap:16px;padding:20px 0;}
  .step-num{width:48px;height:48px;font-size:16px;}
  .step-body h3{font-size:19px;}
  .rowitem{grid-template-columns:40px 1fr 28px;gap:12px;padding:16px 4px;}
  .rowidx{font-size:20px;}
  .cta-bar{padding:26px 22px;}
  .cta-bar h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:520px){
  .kv{min-height:auto;}
  .kv-actions{flex-direction:column;align-items:stretch;}
  .kv-actions .btn{width:100%;}
  .card-grid{grid-template-columns:1fr;gap:16px;}
}

/* roulang page: category4 */
:root{
  --c-primary:#E04E23;
  --c-primary-d:#B93A15;
  --c-primary-l:#FBE7DF;
  --c-deep:#10362E;
  --c-deep-2:#1B4A3F;
  --c-accent:#FFC53D;
  --c-accent-2:#C9E265;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-line:#E3DED4;
  --c-text:#1E211F;
  --c-muted:#6B6F6A;
  --c-invert:#F6F4EF;
  --r-card:14px;
  --r-lg:18px;
  --r-btn:10px;
  --r-input:8px;
  --sh-1:0 1px 2px rgba(16,54,46,.06);
  --sh-2:0 10px 28px -14px rgba(16,54,46,.22);
  --sp-section:80px;
  --sp-section-lg:96px;
  --font: -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  letter-spacing:.015em;
  color:var(--c-text);
  background:var(--c-bg);
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
a{color:inherit;text-decoration:none;background:transparent;}
img{max-width:100%;display:block;height:auto;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--c-text);}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:3px solid rgba(224,78,35,.35);outline-offset:2px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:16px;
  font-weight:600;
  line-height:1;
  transition:all .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-d);transform:translateY(-2px);box-shadow:var(--sh-2);color:#fff;}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-secondary{background:var(--c-surface);color:var(--c-deep);border:1px solid var(--c-line);}
.btn-secondary:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-l);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--c-invert);border:1px solid rgba(246,244,239,.7);}
.btn-ghost:hover{background:var(--c-invert);color:var(--c-deep);transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:0 20px;font-size:15px;border-radius:var(--r-btn);}
.btn-block{width:100%;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.site-header.is-stuck{
  background:var(--c-surface);
  box-shadow:var(--sh-1);
  border-bottom-color:var(--c-line);
}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
  min-height:74px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:6px;}
.nav-left{justify-self:start;}
.nav-right{justify-self:end;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 14px;
  font-size:15.5px;
  font-weight:500;
  color:var(--c-text);
  border-radius:999px;
  transition:color .18s ease, background .18s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;
  bottom:8px;
  width:0;
  height:2px;
  background:var(--c-primary);
  border-radius:2px;
  transition:width .18s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{width:60%;}
.nav-link.is-active{background:var(--c-line);color:var(--c-deep);}
.nav-link.is-active::after{width:0;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  justify-self:center;
  font-size:20px;
  font-weight:800;
  letter-spacing:.01em;
  color:var(--c-deep);
  white-space:nowrap;
}
.brand .brand-key{color:var(--c-primary);}
.brand-mark{
  width:12px;
  height:12px;
  border-radius:4px;
  background:var(--c-primary);
  box-shadow:0 0 0 4px rgba(224,78,35,.14);
  flex:0 0 auto;
}
.nav-toggle{
  display:none;
  width:46px;
  height:46px;
  border-radius:var(--r-btn);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-deep);
  align-items:center;
  justify-content:center;
  font-size:18px;
}
.mobile-panel{
  display:none;
  background:var(--c-surface);
  border-top:1px solid var(--c-line);
  box-shadow:var(--sh-2);
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:flex;
  align-items:center;
  min-height:52px;
  padding:0 24px;
  font-size:16px;
  border-bottom:1px solid var(--c-line);
  color:var(--c-text);
}
.mobile-panel a.is-active{color:var(--c-primary);font-weight:700;background:#FBF9F5;}
.mobile-panel .panel-cta{padding:16px 24px 22px;}
.mobile-panel .panel-cta .btn{width:100%;}

/* ---------- KV ---------- */
.kv{
  position:relative;
  min-height:320px;
  display:flex;
  align-items:flex-end;
  background-image:linear-gradient(120deg, rgba(16,54,46,.94) 0%, rgba(16,54,46,.72) 52%, rgba(16,54,46,.34) 100%), url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  color:var(--c-invert);
  overflow:hidden;
}
.kv-inner{padding:86px 0 46px;max-width:860px;}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(246,244,239,.78);
  margin-bottom:18px;
}
.crumbs a{color:rgba(246,244,239,.85);}
.crumbs a:hover{color:var(--c-accent);}
.crumbs .sep{opacity:.5;}
.kv h1{
  font-size:46px;
  font-weight:800;
  line-height:1.22;
  letter-spacing:.01em;
  color:#fff;
}
.kv-lead{
  margin-top:18px;
  max-width:720px;
  font-size:16.5px;
  line-height:1.8;
  color:rgba(246,244,239,.9);
}
.kv-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  line-height:1.5;
  background:rgba(255,197,61,.16);
  color:var(--c-accent);
  border:1px solid rgba(255,197,61,.34);
}
.tag-light{background:rgba(246,244,239,.12);color:#F6F4EF;border-color:rgba(246,244,239,.28);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp-section) 0;}
.section-sm{padding:56px 0;}
.section-deep{background:var(--c-deep);color:var(--c-invert);}
.section-deep h2,.section-deep h3{color:#fff;}
.section-line{border-top:1px solid var(--c-line);}
.section-head{max-width:820px;margin-bottom:38px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--c-primary);
  margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-primary);border-radius:2px;}
h2{
  font-size:34px;
  font-weight:700;
  line-height:1.3;
  color:var(--c-deep);
}
h3{font-size:23px;font-weight:700;line-height:1.36;color:var(--c-deep);}
h4{font-size:18px;font-weight:600;line-height:1.45;color:var(--c-deep);}
.section-head p{margin-top:16px;color:var(--c-muted);font-size:17px;line-height:1.8;}
.lead-note{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-left:5px solid var(--c-primary);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:22px 26px;
  color:var(--c-text);
  font-size:17px;
  line-height:1.8;
}

/* ---------- 信息条 ---------- */
.factbar{
  background:var(--c-deep-2);
  color:var(--c-invert);
  border-radius:var(--r-card);
  padding:24px 26px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  box-shadow:var(--sh-2);
}
.factbar .fact strong{display:block;font-size:15px;font-weight:700;color:var(--c-accent);margin-bottom:6px;}
.factbar .fact span{font-size:14px;line-height:1.65;color:rgba(246,244,239,.86);}

/* ---------- 分组内容 ---------- */
.group{padding:64px 0 0;}
.group:first-of-type{padding-top:8px;}
.group-head{
  display:grid;
  grid-template-columns:56px 1fr;
  gap:20px;
  align-items:start;
  margin-bottom:26px;
}
.group-num{
  font-size:24px;
  font-weight:800;
  color:var(--c-primary);
  line-height:1.2;
  letter-spacing:.02em;
}
.group-head h2{font-size:28px;}
.group-head p{margin-top:10px;color:var(--c-muted);font-size:16.5px;line-height:1.8;max-width:760px;}

/* ---------- 行式条目 ---------- */
.row-list{border-top:1px solid var(--c-line);}
.row-item{
  display:grid;
  grid-template-columns:38px 1fr auto;
  gap:16px;
  align-items:center;
  padding:20px 16px 20px 8px;
  border-bottom:1px solid var(--c-line);
  transition:background .18s ease, padding-left .18s ease;
}
.row-item:hover{background:#FBF9F5;padding-left:14px;}
.row-item .idx{font-size:22px;font-weight:800;color:var(--c-primary);line-height:1.2;}
.row-item .row-title{font-size:17px;font-weight:600;color:var(--c-deep);}
.row-item .row-desc{display:block;margin-top:4px;font-size:14px;line-height:1.65;color:var(--c-muted);font-weight:400;}
.row-item .arrow{color:var(--c-muted);font-size:15px;transition:transform .18s ease,color .18s ease;}
.row-item:hover .arrow{transform:translateX(4px);color:var(--c-primary);}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  margin-bottom:14px;
  overflow:hidden;
  transition:box-shadow .2s ease, border-color .2s ease;
}
.faq-item:hover{border-color:#D8D2C6;box-shadow:var(--sh-2);}
.faq-item summary{
  position:relative;
  list-style:none;
  cursor:pointer;
  padding:20px 56px 20px 24px;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  color:var(--c-deep);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";
  position:absolute;
  right:26px;
  top:50%;
  width:10px;
  height:10px;
  border-right:2px solid var(--c-muted);
  border-bottom:2px solid var(--c-muted);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .2s ease, border-color .2s ease;
}
.faq-item summary:hover{color:var(--c-primary);}
.faq-item[open]{
  box-shadow:inset 3px 0 0 var(--c-primary), var(--sh-2);
  border-color:#D8D2C6;
}
.faq-item[open] summary{font-weight:700;color:var(--c-deep);}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--c-primary);}
.faq-body{
  padding:0 26px 22px 24px;
  border-top:1px solid var(--c-line);
  margin-top:0;
  padding-top:18px;
  font-size:17px;
  line-height:1.8;
  color:var(--c-text);
}
.faq-body p + p{margin-top:1.1em;}
.faq-body ul{margin-top:12px;}
.faq-body li{
  position:relative;
  padding-left:18px;
  margin-bottom:8px;
  font-size:16.5px;
  line-height:1.75;
  color:var(--c-text);
}
.faq-body li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:7px;
  height:7px;
  background:var(--c-primary);
  border-radius:2px;
}

/* ---------- 双列信息卡 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.info-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:24px 26px;
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D8D2C6;}
.info-card h3{font-size:20px;margin-bottom:10px;}
.info-card p{color:var(--c-muted);font-size:16px;line-height:1.8;}
.info-card .mini-tag{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  color:var(--c-primary);
  background:var(--c-primary-l);
  border-radius:999px;
  padding:3px 11px;
  margin-bottom:12px;
}

/* ---------- 图片卡 ---------- */
.media-split{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:30px;
  align-items:center;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.media-split img{width:100%;height:100%;object-fit:cover;min-height:300px;}
.media-split .media-text{padding:32px 34px;}
.media-split .media-text h3{margin-bottom:12px;}
.media-split .media-text p{color:var(--c-muted);line-height:1.8;}
.checkline{margin-top:18px;}
.checkline li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:16px;
  color:var(--c-text);
  margin-bottom:8px;
  line-height:1.7;
}
.checkline i{color:var(--c-primary);margin-top:6px;font-size:14px;}

/* ---------- CTA 条 ---------- */
.cta-strip{
  background:var(--c-primary-l);
  border-left:5px solid var(--c-primary);
  border-radius:var(--r-card);
  padding:30px 32px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:24px;
  align-items:center;
  box-shadow:var(--sh-1);
}
.cta-strip h2{font-size:26px;}
.cta-strip p{margin-top:10px;color:#5A4B44;font-size:16.5px;line-height:1.75;max-width:640px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-actions .btn-secondary:hover{border-color:var(--c-primary);}

/* ---------- 深色支持块 ---------- */
.support-panel{
  background:var(--c-deep);
  color:var(--c-invert);
  border-radius:var(--r-lg);
  padding:38px 36px;
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:34px;
  box-shadow:var(--sh-2);
}
.support-panel h2{color:#fff;font-size:28px;}
.support-panel p{margin-top:14px;font-size:16.5px;line-height:1.8;color:rgba(246,244,239,.86);}
.support-list li{
  display:flex;
  justify-content:space-between;
  gap:14px;
  padding:12px 0;
  border-bottom:1px solid rgba(246,244,239,.16);
  font-size:15.5px;
}
.support-list li:last-child{border-bottom:0;}
.support-list span:first-child{color:rgba(246,244,239,.72);}
.support-list span:last-child{color:#fff;font-weight:600;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-deep);
  color:var(--c-invert);
  padding:64px 0 26px;
  margin-top:24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:40px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:20px;
  font-weight:800;
  color:#fff;
  margin-bottom:16px;
}
.footer-brand .brand-mark{background:var(--c-accent);box-shadow:0 0 0 4px rgba(255,197,61,.18);}
.footer-col p{font-size:15px;line-height:1.8;color:rgba(246,244,239,.78);}
.footer-contact{margin-top:16px;display:flex;flex-direction:column;gap:6px;font-size:14px;color:rgba(246,244,239,.7);}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--c-accent);
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{
  font-size:15px;
  color:rgba(246,244,239,.82);
  transition:color .18s ease, padding-left .18s ease;
}
.footer-col ul a:hover{color:#fff;padding-left:4px;}
.footer-bottom{
  border-top:1px solid rgba(246,244,239,.16);
  padding-top:22px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:space-between;
  align-items:center;
  font-size:14px;
  color:rgba(246,244,239,.66);
}
.footer-bottom .legal{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom .legal a:hover{color:var(--c-accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-left,.nav-right{display:none;}
  .nav-wrap{grid-template-columns:auto 1fr auto;min-height:70px;}
  .brand{justify-self:start;font-size:19px;}
  .nav-toggle{display:inline-flex;justify-self:end;}
  .kv{min-height:300px;}
  .kv-inner{padding:74px 0 40px;}
  .kv h1{font-size:36px;}
  .section{padding:64px 0;}
  .factbar{grid-template-columns:repeat(2,1fr);}
  .support-panel{grid-template-columns:1fr;padding:32px 28px;}
  .media-split{grid-template-columns:1fr;}
  .media-split img{min-height:240px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  body{font-size:16.5px;}
  .container{padding:0 18px;}
  .kv h1{font-size:32px;}
  .kv-lead{font-size:16px;}
  .section{padding:56px 0;}
  .section-sm{padding:44px 0;}
  h2{font-size:25px;}
  h3{font-size:20px;}
  .group{padding:52px 0 0;}
  .group-head{grid-template-columns:1fr;gap:6px;}
  .group-head h2{font-size:23px;}
  .grid-2{grid-template-columns:1fr;gap:16px;}
  .row-item{grid-template-columns:30px 1fr auto;padding-right:8px;}
  .row-item .idx{font-size:19px;}
  .cta-strip{grid-template-columns:1fr;padding:24px 22px;}
  .cta-actions .btn{flex:1 1 100%;}
  .faq-item summary{padding:18px 48px 18px 20px;font-size:16.5px;}
  .faq-body{padding:16px 20px 20px 20px;}
  .media-split .media-text{padding:24px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{padding:48px 0 22px;}
}
@media (max-width:519px){
  .kv h1{font-size:29px;}
  .factbar{grid-template-columns:1fr;}
  .kv-inner{padding:64px 0 34px;}
}