/* roulang page: index */
:root{
  --brand:#4B2ACB;
  --brand-2:#6E4BF0;
  --brand-3:#3A1E9E;
  --brand-soft:#EDE7FF;
  --coral:#FF6A3D;
  --peach:#FF9C7A;
  --teal:#14B8A6;
  --amber:#F5A524;
  --danger:#E5484D;
  --ink:#1A1523;
  --ink-2:#5B5470;
  --ink-3:#8B849C;
  --line:#E7E3F2;
  --bg:#F7F5FB;
  --card:#FFFFFF;
  --dark:#191233;
  --grad:linear-gradient(135deg,#4B2ACB 0%,#6E4BF0 45%,#FF6A3D 100%);
  --radius:20px;
  --radius-lg:28px;
  --radius-sm:12px;
  --radius-img:16px;
  --shadow-sm:0 1px 2px rgba(25,18,51,.05);
  --shadow:0 1px 2px rgba(25,18,51,.05),0 16px 40px -20px rgba(75,42,203,.22);
  --shadow-hover:0 2px 4px rgba(25,18,51,.06),0 26px 50px -22px rgba(75,42,203,.34);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  font-size:16px;line-height:1.8;color:var(--ink);background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-3);text-decoration:underline}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;border-radius:6px}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;color:var(--brand);padding:10px 18px;border-radius:0 0 12px 0;z-index:200}
.skip-link:focus{left:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{margin-bottom:40px;max-width:760px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:6px 14px;margin-bottom:16px}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--teal)}
h1{font-size:48px;line-height:1.15;font-weight:800;letter-spacing:-.01em}
h2{font-size:34px;line-height:1.3;font-weight:700;letter-spacing:-.01em}
h3{font-size:22px;line-height:1.4;font-weight:700}
h4{font-size:18px;line-height:1.5;font-weight:600}
.h2-line{display:block;width:64px;height:3px;border-radius:3px;background:var(--grad);margin-top:18px}
.lead{color:var(--ink-2);font-size:17px;line-height:1.85;margin-top:16px}
.muted{color:var(--ink-3);font-size:14px}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶部活动条 ============ */
.topbar{
  background:var(--dark);color:#fff;font-size:13px;height:36px;
  display:flex;align-items:center;
}
.topbar-inner{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:16px}
.topbar-status{display:inline-flex;align-items:center;gap:8px;font-weight:600;white-space:nowrap}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 0 rgba(20,184,166,.7);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(20,184,166,.6)}70%{box-shadow:0 0 0 8px rgba(20,184,166,0)}100%{box-shadow:0 0 0 0 rgba(20,184,166,0)}}
.topbar-spacer{flex:1}
.topbar-timer{display:inline-flex;align-items:center;gap:8px;color:#D9D2F5;white-space:nowrap}
.timer-chip{background:rgba(245,165,36,.16);color:var(--amber);border:1px solid rgba(245,165,36,.4);border-radius:999px;padding:2px 10px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.topbar-close{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;color:#B9B1D8;transition:background .2s,color .2s;flex-shrink:0;font-size:16px;line-height:1}
.topbar-close:hover{background:rgba(255,255,255,.12);color:#fff}
.topbar.is-hidden{display:none}
.topbar-placeholder{height:36px;display:none}
.topbar-placeholder.is-active{display:block}
@media(max-width:860px){.topbar-timer{display:none}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px -18px rgba(75,42,203,.45)}
.nav-wrap{display:flex;align-items:center;gap:24px;height:74px}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand:hover{text-decoration:none}
.brand-mark{
  width:40px;height:40px;border-radius:13px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
  box-shadow:0 10px 22px -12px rgba(75,42,203,.8);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.brand-sub{font-size:11px;color:var(--ink-3);font-weight:500;letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-links a{
  display:inline-flex;align-items:center;height:40px;padding:0 15px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink-2);transition:background .2s,color .2s;
  white-space:nowrap;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand-3);text-decoration:none}
.nav-links a.is-active{color:var(--brand);font-weight:700;background:var(--brand-soft)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.status-badge{
  display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 13px;border-radius:999px;
  background:#E8FBF7;color:#0E8B7E;font-size:13px;font-weight:600;white-space:nowrap;
}
.status-badge .pulse-dot{background:var(--teal)}
.nav-cta{height:42px;padding:0 22px;font-size:14px}
.burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;background:#fff;
}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}

.nav-mask{position:fixed;inset:0;background:rgba(25,18,51,.45);opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:70}
.nav-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(84vw,340px);background:#fff;z-index:80;
  transform:translateX(102%);transition:transform .32s cubic-bezier(.4,0,.2,1);
  padding:22px;box-shadow:-24px 0 50px -24px rgba(25,18,51,.4);overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-title{font-size:16px;font-weight:700}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font-size:18px;color:var(--ink-2)}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-bottom:24px}
.drawer-links a{display:flex;align-items:center;height:48px;padding:0 16px;border-radius:14px;font-size:15px;font-weight:500;color:var(--ink-2)}
.drawer-links a:hover,.drawer-links a.is-active{background:var(--brand-soft);color:var(--brand-3);text-decoration:none}
.drawer-cta{display:block;text-align:center}

@media(max-width:1079px){
  .nav-links{display:none}
  .status-badge{display:none}
  .burger{display:inline-flex}
  .nav-cta{display:none}
  .nav-wrap{height:64px}
}
@media(max-width:520px){
  .brand-sub{display:none}
  .nav-wrap{height:58px}
  .container{padding:0 16px}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 28px -14px rgba(75,42,203,.8)}
.btn-primary:hover{color:#fff;filter:brightness(1.07);box-shadow:0 18px 36px -14px rgba(75,42,203,.85)}
.btn-secondary{background:#fff;color:var(--brand);border:1px solid var(--line)}
.btn-secondary:hover{color:var(--brand-3);border-color:#CFC2F7;box-shadow:var(--shadow-sm)}
.btn-ghost{color:var(--brand);padding:0 10px;height:40px}
.btn-ghost:hover{color:var(--brand-3);text-decoration:underline}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:72px 0 76px;background:var(--bg)}
.hero::before{
  content:"";position:absolute;width:520px;height:520px;left:-180px;top:-190px;border-radius:50%;
  background:radial-gradient(circle,rgba(110,75,240,.28) 0%,rgba(110,75,240,0) 68%);pointer-events:none;
}
.hero::after{
  content:"";position:absolute;width:460px;height:460px;right:-160px;bottom:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,61,.22) 0%,rgba(255,106,61,0) 68%);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-copy{max-width:620px}
.pill{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 16px;margin-bottom:20px;
  box-shadow:var(--shadow-sm);
}
.hero h1{margin-bottom:20px}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;line-height:1.85;color:var(--ink-2);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.trust-badge{
  display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-3);font-size:13px;font-weight:600;
}
.trust-badge svg{width:15px;height:15px;flex-shrink:0}
.hero-note{display:flex;align-items:flex-start;gap:9px;margin-top:22px;font-size:13.5px;color:var(--ink-3);line-height:1.7}
.hero-note svg{width:16px;height:16px;flex-shrink:0;margin-top:4px;color:var(--brand-2)}
.hero-visual{position:relative}
.hero-visual>img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-lg);
  box-shadow:0 30px 60px -30px rgba(75,42,203,.45);
}
.float-card{
  position:absolute;background:#fff;border-radius:16px;padding:14px 16px;box-shadow:var(--shadow);
  border:1px solid var(--line);min-width:150px;
}
.float-card .fc-label{font-size:12px;color:var(--ink-3);font-weight:500}
.float-card .fc-value{font-size:19px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.fc-1{left:-26px;bottom:34px}
.fc-2{right:-18px;top:32px}
@media(max-width:1079px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:620px}
  .fc-1{left:8px;bottom:-18px}
  .fc-2{right:8px;top:-18px}
}
@media(max-width:767px){
  .hero{padding:52px 0 60px}
  h1{font-size:30px;line-height:1.28}
  h2{font-size:24px}
  .hero-sub{font-size:16px}
  .hero-cta .btn{width:100%}
  .float-card{padding:10px 12px;min-width:126px}
  .float-card .fc-value{font-size:16px}
  .section{padding:56px 0}
}

/* ============ 数据带 ============ */
.stats-band{position:relative;z-index:3;margin-top:-28px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{
  background:#fff;border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow);
  border-top:1px solid transparent;
  position:relative;overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease;
}
.stat-card::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:var(--grad);opacity:.9}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.stat-label{font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.02em}
.stat-value{
  display:block;margin:8px 0 6px;font-size:26px;font-weight:800;line-height:1.25;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.stat-desc{font-size:14px;color:var(--ink-2);line-height:1.7}
@media(max-width:1079px){.stats-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.stats-grid{grid-template-columns:1fr}.stats-band{margin-top:0}}

/* ============ 功能分组 ============ */
.feature-group{margin-bottom:56px}
.feature-group:last-child{margin-bottom:0}
.group-head{display:flex;align-items:center;gap:14px;margin-bottom:22px;flex-wrap:wrap}
.group-tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-3);font-size:13px;font-weight:700;
}
.group-head h3{font-size:20px}
.grid-a{display:grid;grid-template-columns:2fr 1fr 1fr;gap:20px}
.grid-b{display:grid;grid-template-columns:1fr 1fr 2fr;gap:20px}
.grid-c{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  background:#fff;border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);
  border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#DED5FB}
.icon-box{
  width:46px;height:46px;border-radius:14px;background:var(--brand-soft);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;flex-shrink:0;
}
.icon-box svg{width:23px;height:23px}
.card h4{margin-bottom:10px}
.card p{font-size:15px;color:var(--ink-2);line-height:1.8}
.card-lg{padding:32px}
.card-lg h3{margin-bottom:12px}
.check-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.check-list li{display:flex;align-items:flex-start;gap:9px;font-size:14.5px;color:var(--ink-2);line-height:1.7}
.check-list svg{width:17px;height:17px;flex-shrink:0;margin-top:4px;color:var(--teal)}
.key-points{
  margin-top:20px;background:#fff;border-radius:var(--radius);padding:22px 26px;box-shadow:var(--shadow);
  display:flex;flex-wrap:wrap;gap:14px 34px;align-items:center;
}
.key-points li{display:flex;align-items:center;gap:9px;font-size:14.5px;color:var(--ink-2);font-weight:500}
.key-points svg{width:17px;height:17px;color:var(--brand-2)}
@media(max-width:1079px){
  .grid-a,.grid-b{grid-template-columns:1fr 1fr}
  .grid-a .card-lg,.grid-b .card-lg{grid-column:1 / -1}
  .grid-c{grid-template-columns:1fr 1fr}
}
@media(max-width:700px){
  .grid-a,.grid-b,.grid-c{grid-template-columns:1fr}
  .key-points{flex-direction:column;align-items:flex-start;gap:12px}
}

/* ============ 流程 ============ */
.flow-wrap{display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:start}
.flow-list{position:relative;padding-left:8px}
.flow-item{position:relative;display:flex;gap:20px;padding-bottom:32px}
.flow-item:last-child{padding-bottom:0}
.flow-item::before{
  content:"";position:absolute;left:21px;top:46px;bottom:2px;width:2px;
  background:linear-gradient(180deg,#DCD2FF 0%,#F3E9FF 100%);
}
.flow-item:last-child::before{display:none}
.flow-num{
  width:44px;height:44px;border-radius:50%;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad);color:#fff;font-weight:800;font-size:16px;
  box-shadow:0 12px 24px -14px rgba(75,42,203,.85);font-variant-numeric:tabular-nums;
}
.flow-body h4{margin-bottom:6px}
.flow-body p{font-size:15px;color:var(--ink-2);line-height:1.8}
.flow-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
@media(max-width:1079px){
  .flow-wrap{grid-template-columns:1fr;gap:34px}
  .flow-media img{aspect-ratio:16/9}
}

/* ============ 深色状态带 ============ */
.status-band{position:relative;padding:72px 0;background:var(--dark);overflow:hidden;color:#fff}
.status-band .band-bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.16;
}
.status-band::after{
  content:"";position:absolute;width:520px;height:520px;right:-180px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,61,.4) 0%,rgba(255,106,61,0) 70%);
}
.band-inner{position:relative;z-index:2}
.band-head{max-width:700px;margin-bottom:36px}
.status-band h2{color:#fff}
.status-band .lead{color:rgba(255,255,255,.74)}
.band-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.band-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);padding:24px;transition:background .22s ease,border-color .22s ease,transform .22s ease;
}
.band-card:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.26);transform:translateY(-2px)}
.band-card .band-tag{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;
  color:#B7F5EC;background:rgba(20,184,166,.16);border:1px solid rgba(20,184,166,.4);
  border-radius:999px;padding:4px 12px;margin-bottom:14px;
}
.band-card h4{color:#fff;margin-bottom:8px}
.band-card p{font-size:14.5px;color:rgba(255,255,255,.72);line-height:1.8}
@media(max-width:900px){.band-grid{grid-template-columns:1fr}}
@media(max-width:767px){.status-band{padding:52px 0}}

/* ============ 资讯列表 ============ */
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  border:1px solid transparent;display:flex;flex-direction:column;color:var(--ink);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#DED5FB;text-decoration:none;color:var(--ink)}
.news-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#4B2ACB 0%,#6E4BF0 50%,#FF6A3D 100%)}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:var(--brand-soft);color:var(--brand-3);align-self:flex-start;
}
.news-title{
  font-size:17px;font-weight:700;line-height:1.6;margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-excerpt{
  font-size:14px;color:var(--ink-2);line-height:1.8;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-3);border-top:1px solid var(--line);padding-top:14px}
.news-more{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:5px;transition:transform .2s ease}
.news-card:hover .news-more{transform:translateX(2px)}
.empty-state{
  grid-column:1 / -1;min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;background:#fff;border:1px dashed #DCD2FF;border-radius:var(--radius);padding:34px 24px;text-align:center;
}
.empty-state svg{width:44px;height:44px;color:var(--brand-2)}
.empty-state p{color:var(--ink-2);font-size:15px}
@media(max-width:1023px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.news-grid{grid-template-columns:1fr}}

/* ============ FAQ ============ */
.faq-list{max-width:880px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:12px;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;overflow:hidden;
}
.faq-item[open]{background:#FAF8FF;border-color:#DCD2FF;box-shadow:var(--shadow-sm)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;font-size:17px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;font-weight:400;line-height:1;color:var(--brand);flex-shrink:0;
  transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--brand-3)}
.faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;border-radius:var(--radius-lg);background:var(--dark);color:#fff;overflow:hidden;
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-band::after{
  content:"";position:absolute;width:440px;height:440px;right:-160px;bottom:-240px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,61,.42) 0%,rgba(255,106,61,0) 70%);
}
.cta-band .cta-deco{
  position:absolute;inset:0;opacity:.07;pointer-events:none;
  background-image:radial-gradient(circle at 12% 22%,#fff 1.4px,transparent 1.4px),radial-gradient(circle at 62% 78%,#fff 1.4px,transparent 1.4px);
  background-size:64px 64px,88px 88px;
}
.cta-copy{position:relative;z-index:2;max-width:620px}
.cta-copy h2{color:#fff;font-size:30px}
.cta-copy p{margin-top:14px;color:rgba(255,255,255,.76);font-size:16px;line-height:1.8}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}
.cta-actions .btn-secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.36)}
.cta-actions .btn-secondary:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.6)}
@media(max-width:900px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:38px 26px}
  .cta-copy h2{font-size:23px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}

/* ============ 页脚 ============ */
.site-footer{background:#fff;border-top:1px solid var(--line);margin-top:88px;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{width:38px;height:38px;border-radius:12px}
.footer-desc{font-size:14.5px;color:var(--ink-2);line-height:1.85;max-width:340px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--ink)}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14.5px;color:var(--ink-2);display:inline-flex;align-items:center;gap:6px;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--brand);text-decoration:none;transform:translateX(2px)}
.footer-qr{
  width:104px;height:104px;border-radius:16px;background:var(--brand-soft);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  color:var(--brand-3);font-size:12px;font-weight:600;border:1px dashed #CBBEF5;margin-top:14px;
}
.footer-qr svg{width:28px;height:28px}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13.5px;color:var(--ink-3);
}
.footer-bottom .fb-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom a{color:var(--ink-3)}
.footer-bottom a:hover{color:var(--brand)}
.to-top{
  position:fixed;right:22px;bottom:26px;width:48px;height:48px;border-radius:50%;
  background:var(--grad);color:#fff;display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 16px 32px -16px rgba(75,42,203,.85);z-index:55;
  opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{filter:brightness(1.07);color:#fff}
.to-top svg{width:20px;height:20px}
@media(max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:600px){
  .footer-grid{grid-template-columns:1fr}
  .site-footer{margin-top:56px;padding-top:48px}
  .to-top{right:14px;bottom:16px;width:44px;height:44px}
}

/* roulang page: category1 */
:root{
  --brand:#4B2ACB;
  --brand-2:#6E4BF0;
  --brand-3:#3A1E9E;
  --brand-soft:#EDE7FF;
  --brand-mist:#FAF8FF;
  --coral:#FF6A3D;
  --peach:#FF9C7A;
  --success:#14B8A6;
  --amber:#F5A524;
  --danger:#E5484D;
  --ink:#1A1523;
  --ink-2:#5B5470;
  --ink-3:#8B849C;
  --line:#E7E3F2;
  --bg:#F7F5FB;
  --card:#FFFFFF;
  --dark:#191233;
  --grad:linear-gradient(135deg,#4B2ACB 0%,#6E4BF0 45%,#FF6A3D 100%);
  --radius:20px;
  --radius-lg:28px;
  --radius-sm:16px;
  --shadow:0 1px 2px rgba(25,18,51,.05),0 16px 40px -20px rgba(75,42,203,.22);
  --shadow-lg:0 2px 4px rgba(25,18,51,.06),0 26px 60px -26px rgba(75,42,203,.32);
  --gap:24px;
}
*,
*::before,
*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-3);text-decoration:underline}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:0;line-height:1.3}
h1{font-size:48px;line-height:1.15;font-weight:800}
h2{font-size:34px;font-weight:700}
h3{font-size:22px;font-weight:700;line-height:1.4}
h4{font-size:18px;font-weight:600}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:200}
.skip-link:focus{left:0;color:#fff;text-decoration:none}
.section{padding:80px 0}
.section-sm{padding:56px 0}
.num{font-variant-numeric:tabular-nums}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-soft);color:var(--brand-3);
  font-size:13px;font-weight:600;line-height:1;
  padding:9px 16px;border-radius:999px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--grad)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--ink-2);font-size:16px;margin:0}
.h2-line{display:block;width:64px;height:3px;border-radius:3px;background:var(--grad);margin-top:16px}

/* ---------- 顶部活动条 ---------- */
.topbar{background:var(--dark);color:#EFEAFE;font-size:13px;position:relative;z-index:60}
.topbar.is-closed{display:none}
.topbar-inner{display:flex;align-items:center;gap:16px;min-height:36px;padding:6px 0;flex-wrap:wrap}
.topbar .status-chip{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(20,184,166,.14);color:#5AE3D2;
  border:1px solid rgba(20,184,166,.35);
  padding:3px 12px;border-radius:999px;font-size:12px;line-height:1.5;
}
.topbar .status-chip .dot{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 0 3px rgba(20,184,166,.22)}
.topbar .countdown{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(245,165,36,.14);color:#FFD08A;
  border:1px solid rgba(245,165,36,.32);
  padding:3px 12px;border-radius:999px;font-size:12px;
}
.topbar .countdown b{color:#fff;letter-spacing:.4px}
.topbar-text{color:#C6BCEA}
.topbar-close{
  margin-left:auto;display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:28px;border-radius:999px;color:#C6BCEA;
}
.topbar-close:hover{background:rgba(255,255,255,.1);color:#fff}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 10px 30px -22px rgba(25,18,51,.5)}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px}
.brand-lockup{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-lockup:hover{text-decoration:none}
.brand-mark{
  width:42px;height:42px;border-radius:14px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
  box-shadow:0 10px 24px -12px rgba(75,42,203,.75);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.brand-sub{font-size:11.5px;color:var(--ink-3);letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-links a{
  position:relative;display:inline-block;
  padding:9px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:color .2s ease,background-color .2s ease;
}
.nav-links a:hover{color:var(--brand-3);background:var(--brand-mist);text-decoration:none}
.nav-links a.is-active{
  color:var(--brand-3);background:var(--brand-soft);
}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--grad);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.status-badge{
  display:inline-flex;align-items:center;gap:7px;
  background:#ECFDF8;border:1px solid #BFEFE5;color:#0D7F72;
  font-size:12.5px;font-weight:600;line-height:1;padding:8px 13px;border-radius:999px;
}
.status-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 0 3px rgba(20,184,166,.2)}
.burger{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.burger span::before{top:-6px}
.burger span::after{top:6px}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(25,18,51,.45);opacity:0;visibility:hidden;transition:.28s;z-index:90}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(330px,88vw);
  background:#fff;z-index:100;padding:22px;overflow-y:auto;
  transform:translateX(100%);transition:transform .3s ease;
  box-shadow:-20px 0 60px -30px rgba(25,18,51,.6);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;background:#fff}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:22px}
.drawer-nav a{padding:13px 16px;border-radius:14px;font-size:15.5px;font-weight:600;color:var(--ink-2);background:var(--bg)}
.drawer-nav a.is-active{background:var(--brand-soft);color:var(--brand-3)}
.drawer-nav a:hover{text-decoration:none;color:var(--brand-3)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:999px;font-weight:600;line-height:1;
  padding:0 26px;height:48px;font-size:15.5px;
  transition:transform .18s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
  cursor:pointer;white-space:nowrap;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 30px -16px rgba(75,42,203,.8)}
.btn-primary:hover{color:#fff;filter:brightness(1.07);transform:translateY(-2px);box-shadow:0 20px 36px -18px rgba(75,42,203,.85)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:#fff;color:var(--brand-3);border:1px solid var(--line)}
.btn-secondary:hover{color:var(--brand-3);border-color:var(--brand-2);box-shadow:var(--shadow);transform:translateY(-2px)}
.btn-ghost{color:var(--brand-3);padding:0 8px;height:40px;border-radius:10px;font-size:15px}
.btn-ghost svg{width:16px;height:16px;transition:transform .2s ease}
.btn-ghost:hover{text-decoration:none;color:var(--brand)}
.btn-ghost:hover svg{transform:translateX(3px)}
.btn-sm{height:40px;padding:0 20px;font-size:14.5px}
.btn-lg{height:54px;padding:0 32px;font-size:16.5px}
.btn svg{width:18px;height:18px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:72px 0 68px;background:linear-gradient(180deg,#FBF9FF 0%,#F7F5FB 100%)}
.hero::before{
  content:"";position:absolute;width:520px;height:520px;left:-180px;top:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(110,75,240,.26) 0%,rgba(110,75,240,0) 68%);
}
.hero::after{
  content:"";position:absolute;width:420px;height:420px;right:-150px;bottom:-190px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,61,.22) 0%,rgba(255,106,61,0) 68%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-copy{max-width:620px}
.hero h1{margin:20px 0 18px}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:17px;color:var(--ink-2);line-height:1.85;margin-bottom:14px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 22px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px}
.fact-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:8px 15px;font-size:13.5px;color:var(--ink-2);font-weight:600;
}
.fact-pill svg{width:15px;height:15px;color:var(--brand-2)}
.hero-hint{display:flex;align-items:center;gap:8px;margin-top:18px;font-size:13.5px;color:var(--ink-3)}
.hero-hint svg{width:16px;height:16px;color:var(--amber);flex-shrink:0}
.hero-visual{position:relative}
.hero-figure{
  border-radius:var(--radius-lg);overflow:hidden;position:relative;
  box-shadow:var(--shadow-lg);aspect-ratio:4/3;background:var(--brand-soft);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(75,42,203,.22),rgba(25,18,51,.42))}
.float-card{
  position:absolute;background:#fff;border-radius:18px;padding:16px 18px;
  box-shadow:var(--shadow-lg);border-top:2px solid var(--brand-2);
}
.float-card .fc-label{font-size:12.5px;color:var(--ink-3);font-weight:600;margin-bottom:4px}
.float-card .fc-value{font-size:22px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.float-card .fc-sub{font-size:12px;color:var(--ink-3)}
.float-card-a{left:-18px;bottom:38px;min-width:172px}
.float-card-b{right:-14px;top:26px;min-width:150px}

/* ---------- 内容区通用 ---------- */
.card{
  background:var(--card);border-radius:var(--radius);padding:26px;
  box-shadow:var(--shadow);position:relative;
  transition:transform .22s ease,box-shadow .22s ease;
}
.card::before{
  content:"";position:absolute;left:22px;right:22px;top:0;height:2px;border-radius:0 0 3px 3px;background:var(--grad);opacity:.85;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.card p{color:var(--ink-2);font-size:15px;margin-bottom:0}
.icon-box{
  width:48px;height:48px;border-radius:16px;background:var(--brand-mist);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.icon-box svg{width:22px;height:22px;stroke:url(#gradStroke);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

/* Zigzag */
.zigzag{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.zigzag + .zigzag{margin-top:72px}
.zigzag.is-reverse .zig-copy{order:2}
.zigzag.is-reverse .zig-media{order:1}
.zig-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:16/11}
.zig-media img{width:100%;height:100%;object-fit:cover}
.zig-copy h3{margin-bottom:14px}
.zig-copy p{color:var(--ink-2);font-size:15.5px;line-height:1.85}
.check-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-2);line-height:1.7}
.check-list svg{width:18px;height:18px;flex-shrink:0;margin-top:4px;color:var(--success)}

/* 要点卡组 2x2 */
.grid-2x2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap)}
.point-card h3{font-size:19px;margin-bottom:10px}
.point-card .tag{display:inline-block;font-size:12.5px;font-weight:700;color:var(--brand-3);background:var(--brand-soft);border-radius:999px;padding:4px 12px;margin-bottom:12px}

/* 表格 */
.table-wrap{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;overflow-x:auto}
table.data-table{min-width:660px;font-size:15px}
table.data-table th,table.data-table td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
table.data-table thead th{background:var(--brand-mist);color:var(--brand-3);font-weight:700;font-size:14px;white-space:nowrap}
table.data-table tbody tr:nth-child(even){background:#FBFAFE}
table.data-table tbody tr:last-child td{border-bottom:0}
table.data-table td:first-child{font-weight:600;color:var(--ink)}

/* 内容卡（资讯/继续浏览） */
.card-list{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.content-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease;
}
.content-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.content-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft)}
.content-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.content-card:hover .thumb img{transform:scale(1.04)}
.content-card .badge{
  position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);
  color:var(--brand-3);font-size:12.5px;font-weight:700;padding:6px 12px;border-radius:999px;
  box-shadow:0 6px 16px -10px rgba(25,18,51,.6);
}
.content-card .body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.content-card h3{font-size:19px;margin-bottom:10px}
.content-card p{color:var(--ink-2);font-size:14.6px;margin-bottom:16px;flex:1}
.content-card .meta{font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:8px}
.content-card .more{margin-top:14px;font-size:14.5px;font-weight:600;color:var(--brand-3);display:inline-flex;align-items:center;gap:6px}
.content-card .more svg{width:16px;height:16px;transition:transform .2s ease}
.content-card:hover .more svg{transform:translateX(3px)}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px}
.faq-item{
  background:#fff;border-radius:16px;border:1px solid var(--line);overflow:hidden;
  transition:background-color .22s ease,box-shadow .22s ease;
}
.faq-item[open]{background:var(--brand-mist);box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .plus{
  margin-left:auto;flex-shrink:0;width:26px;height:26px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-3);
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;line-height:1;
  transition:transform .25s ease,background-color .25s ease,color .25s ease;
}
.faq-item[open] summary .plus{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq-item .faq-answer{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--ink-2)}

/* CTA 带 */
.cta-band{position:relative;overflow:hidden;background:var(--dark);border-radius:var(--radius-lg);padding:52px 56px;color:#fff;box-shadow:var(--shadow-lg)}
.cta-band::before{
  content:"";position:absolute;width:420px;height:420px;right:-140px;bottom:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,61,.42) 0%,rgba(255,106,61,0) 68%);
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.07;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.9) 0 1px,transparent 1px 22px);
}
.cta-band .cta-inner{position:relative;z-index:2;display:flex;align-items:center;gap:40px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:12px}
.cta-band p{color:#C6BCEA;font-size:15.5px;margin:0;max-width:640px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-left:auto}
.cta-band .btn-secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.cta-band .btn-secondary:hover{border-color:#fff;background:rgba(255,255,255,.1);color:#fff}

/* 页脚 */
.site-footer{background:var(--dark);color:#C6BCEA;margin-top:80px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{width:40px;height:40px;border-radius:13px}
.footer-brand .brand-name{color:#fff;font-size:16.5px}
.footer-brand .brand-sub{color:#8B84A6}
.footer-desc{font-size:14.5px;line-height:1.85;color:#A79EC6;margin:0}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col ul a{color:#B6ADD6;font-size:14.5px}
.footer-col ul a:hover{color:#fff;text-decoration:none}
.footer-qr{
  margin-top:18px;display:inline-flex;align-items:center;gap:9px;
  border:1px dashed rgba(255,255,255,.22);border-radius:14px;padding:12px 16px;
  font-size:13px;color:#8B84A6;
}
.footer-qr svg{width:22px;height:22px;color:#8B84A6}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  padding:22px 0 28px;font-size:13.5px;color:#8B84A6;
}
.footer-bottom .to-top{
  margin-left:auto;display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.06);color:#D8D1F0;border-radius:999px;
  padding:9px 18px;font-size:13.5px;font-weight:600;
}
.footer-bottom .to-top:hover{background:rgba(255,255,255,.14);color:#fff}
.footer-bottom .to-top svg{width:15px;height:15px}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1120px}
}
@media (max-width:1023px){
  h1{font-size:36px}
  h2{font-size:28px}
  .nav-links{display:none}
  .burger{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-copy{max-width:100%}
  .hero-visual{max-width:620px}
  .zigzag{grid-template-columns:1fr;gap:32px}
  .zigzag.is-reverse .zig-copy,.zigzag.is-reverse .zig-media{order:initial}
  .card-list{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:40px 32px}
  .cta-actions{margin-left:0}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .section-sm{padding:44px 0}
  h1{font-size:30px;line-height:1.25}
  h2{font-size:24px}
  h3{font-size:19px}
  .container{padding:0 16px}
  .header-inner{min-height:60px;gap:12px}
  .brand-sub{display:none}
  .status-badge{display:none}
  .hero{padding:48px 0 44px}
  .hero-lead{font-size:15.5px}
  .hero-actions{gap:12px}
  .hero-actions .btn{flex:1 1 auto;min-width:150px}
  .float-card-a{left:8px;bottom:12px;min-width:150px;padding:12px 14px}
  .float-card-b{display:none}
  .grid-2x2{grid-template-columns:1fr}
  .card-list{grid-template-columns:1fr}
  .cta-band{padding:32px 22px;border-radius:24px}
  .cta-band h2{font-size:23px}
  .faq-item summary{font-size:16px;padding:18px 18px;gap:12px}
  .faq-item .faq-answer{padding:0 18px 20px;font-size:14.6px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{font-size:12.5px}
  .footer-bottom .to-top{margin-left:0}
  .table-wrap{border-radius:16px}
}
@media (max-width:419px){
  h1{font-size:26px}
  .hero-actions .btn{min-width:100%;flex:1 1 100%}
  .btn{font-size:15px}
  .card{padding:20px}
}

/* roulang page: article */
:root{
  --brand:#4B2ACB;
  --brand-2:#6E4BF0;
  --brand-3:#3A1E9E;
  --brand-lite:#EDE7FF;
  --coral:#FF6A3D;
  --peach:#FF9C7A;
  --success:#14B8A6;
  --amber:#F5A524;
  --danger:#E5484D;
  --ink:#1A1523;
  --ink-2:#5B5470;
  --ink-3:#8B849C;
  --line:#E7E3F2;
  --bg:#F7F5FB;
  --card:#FFFFFF;
  --dark:#191233;
  --grad:linear-gradient(135deg,#4B2ACB 0%,#6E4BF0 45%,#FF6A3D 100%);
  --grad-soft:linear-gradient(135deg,#EDE7FF 0%,#FFF1EB 100%);
  --radius-card:20px;
  --radius-lg:28px;
  --radius-img:16px;
  --radius-pill:999px;
  --shadow:0 1px 2px rgba(25,18,51,.05),0 16px 40px -20px rgba(75,42,203,.22);
  --shadow-hover:0 2px 4px rgba(25,18,51,.06),0 24px 48px -22px rgba(75,42,203,.34);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease}
a:hover{color:var(--brand-3);text-decoration:underline}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,p,figure{margin:0}
time{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;border-radius:6px}
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--brand);color:#fff;padding:12px 18px;border-radius:0 0 12px 0;font-size:14px}
.skip-link:focus{left:0;color:#fff;text-decoration:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media (min-width:1024px) and (max-width:1279px){.container{max-width:1120px}}
@media (max-width:767px){.container{padding:0 16px}}

/* ---------- 顶部活动条 ---------- */
.topbar{background:var(--dark);color:#CFC7EA;overflow:hidden;max-height:80px;transition:max-height .3s ease,opacity .3s ease}
.topbar.is-hidden{max-height:0;opacity:0}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;padding-top:4px;padding-bottom:4px;font-size:13px}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0;flex-wrap:wrap}
.topbar-left .topbar-text{color:#9C93BE;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:8px;flex-shrink:0}
.topbar-count{display:inline-flex;align-items:center;gap:6px;background:rgba(245,165,36,.16);color:#FFCB6B;border-radius:var(--radius-pill);padding:3px 12px;font-weight:600;letter-spacing:.02em;font-variant-numeric:tabular-nums}
.topbar-close{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;color:#9C93BE;transition:background-color .2s,color .2s}
.topbar-close:hover{background:rgba(255,255,255,.1);color:#fff}
.topbar-close svg{width:14px;height:14px;stroke:currentColor}
.status-badge{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:500;color:var(--ink-2);background:#F1FEFA;border:1px solid #D2F3EC;padding:4px 12px;border-radius:var(--radius-pill);white-space:nowrap}
.status-badge--dark{background:rgba(20,184,166,.14);border-color:rgba(20,184,166,.3);color:#7FE3D6}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 0 3px rgba(20,184,166,.18);flex-shrink:0}

/* ---------- 导航 ---------- */
.nav-bar{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .25s ease,box-shadow .25s ease}
.nav-bar.is-scrolled{border-bottom-color:var(--line);box-shadow:0 10px 30px -24px rgba(25,18,51,.55)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand:hover{text-decoration:none}
.brand-mark{width:40px;height:40px;border-radius:13px;background:var(--grad);display:grid;place-items:center;flex-shrink:0;box-shadow:0 10px 22px -12px rgba(75,42,203,.9)}
.brand-mark svg{width:20px;height:20px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.brand-sub{font-size:11px;color:var(--ink-3);font-weight:400}
.nav-links{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-links a{position:relative;display:inline-block;padding:9px 14px;border-radius:var(--radius-pill);font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap}
.nav-links a:hover{color:var(--brand);background:var(--brand-lite);text-decoration:none}
.nav-links a.is-active{font-weight:700;color:transparent;background:var(--grad);-webkit-background-clip:text;background-clip:text}
.nav-links a.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--grad)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;color:var(--ink-2);transition:border-color .2s,color .2s}
.nav-toggle:hover{border-color:var(--brand-2);color:var(--brand)}
.nav-toggle svg{width:20px;height:20px;stroke:currentColor}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--radius-pill);font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 14px 28px -16px rgba(75,42,203,.85)}
.btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-1px)}
.btn-secondary{background:#fff;color:var(--brand);border-color:var(--line);box-shadow:0 1px 2px rgba(25,18,51,.04)}
.btn-secondary:hover{color:var(--brand-3);border-color:var(--brand-2);transform:translateY(-1px)}
.btn-ghost-dark{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.24)}
.btn-ghost-dark:hover{background:rgba(255,255,255,.16);color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 30px}
.btn-block{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:var(--radius-pill);font-size:13px;font-weight:600;line-height:1}
.badge-brand{background:var(--brand-lite);color:var(--brand)}
.badge-coral{background:#FFF0EA;color:#C2410C}
.badge-line{border:1px solid transparent;background-image:linear-gradient(#fff,#fff),var(--grad);background-origin:border-box;background-clip:padding-box,border-box;color:var(--brand)}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--radius-pill);background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-2);transition:.2s}
.tag:hover{border-color:var(--brand-2);color:var(--brand)}

/* ---------- 面包屑 ---------- */
.crumbs{background:#fff;border-bottom:1px solid var(--line)}
.crumbs-inner{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);padding:14px 0;overflow:hidden;white-space:nowrap}
.crumbs-inner a{color:var(--ink-2)}
.crumbs-inner a:hover{color:var(--brand)}
.crumbs-inner .sep{color:#C9C2DE;flex-shrink:0}
.crumbs-inner .current{color:var(--ink-3);overflow:hidden;text-overflow:ellipsis;min-width:0}

/* ---------- 文章头卡 ---------- */
.article-hero{padding:36px 0 0}
.article-hero-card{position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:44px;box-shadow:var(--shadow)}
.article-hero-card::after{content:"";position:absolute;right:-90px;top:-120px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(110,75,240,.16),rgba(255,106,61,.07) 58%,transparent 72%);pointer-events:none}
.article-hero-card>*{position:relative;z-index:1}
.article-hero-card h1{font-size:34px;line-height:1.32;font-weight:800;letter-spacing:-.01em;color:var(--ink);margin:18px 0 16px;max-width:920px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:14px;color:var(--ink-3)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px}
.article-meta svg{width:16px;height:16px;stroke:var(--ink-3);fill:none;stroke-width:1.8}
.article-cover{margin-top:28px;border-radius:var(--radius-card);overflow:hidden;aspect-ratio:16/9;background:var(--grad-soft)}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* ---------- 文章布局 ---------- */
.article-section{padding:44px 0 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start}
.article-main{min-width:0}
.article-body{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:42px;box-shadow:var(--shadow);font-size:17px;line-height:1.95;color:#2C2539}
.article-body p{margin:0 0 1.2em}
.article-body h2{position:relative;font-size:24px;line-height:1.45;font-weight:700;color:var(--ink);margin:40px 0 16px;padding-left:14px}
.article-body h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:3px;border-radius:3px;background:var(--grad)}
.article-body h3{font-size:20px;font-weight:600;line-height:1.5;color:var(--ink);margin:28px 0 12px}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink);margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.5em}
.article-body ul li{position:relative;list-style:none;padding-left:18px;margin-bottom:9px}
.article-body ul li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--brand-2)}
.article-body ol{list-style:decimal}
.article-body ol li{margin-bottom:9px;padding-left:4px}
.article-body ol li::marker{color:var(--brand);font-weight:700}
.article-body blockquote{margin:24px 0;padding:18px 22px;background:#FAF8FF;border-left:4px solid var(--brand-2);border-radius:0 14px 14px 0;color:var(--ink-2);font-size:16px}
.article-body img{border-radius:var(--radius-img);margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px}
.article-body a{font-weight:500;text-decoration:underline;text-underline-offset:3px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;display:block;overflow-x:auto;white-space:nowrap}
.article-body thead th{background:#F7F5FB;font-weight:600}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 16px;text-align:left}
.article-body tbody tr:nth-child(even){background:#FBFAFE}
.article-body pre{background:#F5F3FB;color:#2C2539;padding:18px 20px;border-radius:14px;overflow-x:auto;font-size:14px;line-height:1.7;margin:22px 0}
.article-body code{background:#F5F3FB;padding:2px 7px;border-radius:6px;font-size:14.5px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}

/* ---------- 空态 ---------- */
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;min-height:280px;text-align:center;padding:20px}
.empty-state svg{width:52px;height:52px;stroke:var(--brand-2);fill:none;stroke-width:1.5;opacity:.9}
.empty-title{font-size:20px;font-weight:700;color:var(--ink)}
.empty-desc{font-size:15px;line-height:1.85;color:var(--ink-2);max-width:460px}

/* ---------- 提示块 ---------- */
.notice{display:flex;align-items:flex-start;gap:14px;margin-top:28px;padding:18px 22px;background:#FAF8FF;border:1px solid var(--line);border-radius:var(--radius-img);font-size:14px;line-height:1.85;color:var(--ink-2)}
.notice svg{width:20px;height:20px;flex-shrink:0;margin-top:4px;stroke:var(--brand-2);fill:none;stroke-width:1.8}

/* ---------- 文末模块 ---------- */
.article-foot{margin-top:32px;display:flex;flex-direction:column;gap:26px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.nextprev{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.nextprev-card{display:flex;flex-direction:column;gap:8px;padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.nextprev-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D9D0F7;text-decoration:none}
.nextprev-card .np-label{font-size:12px;font-weight:600;color:var(--brand);letter-spacing:.04em}
.nextprev-card .np-title{font-size:17px;font-weight:700;color:var(--ink)}
.nextprev-card .np-desc{font-size:14px;color:var(--ink-2);line-height:1.75}
.back-row{display:flex;justify-content:center}

/* ---------- 侧栏 ---------- */
.side{display:flex;flex-direction:column;gap:20px;position:sticky;top:92px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow)}
.side-title{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.side-links li+li{margin-top:6px}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:12px;font-size:14.5px;color:var(--ink-2);transition:background-color .2s,color .2s,transform .2s}
.side-links a:hover{background:var(--brand-lite);color:var(--brand);text-decoration:none;transform:translateX(2px)}
.side-links svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;flex-shrink:0}
.check-list li{position:relative;padding-left:26px;font-size:14px;line-height:1.75;color:var(--ink-2);margin-bottom:10px}
.check-list li::before{content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;background:#E6FBF7}
.check-list li::after{content:"";position:absolute;left:5px;top:11px;width:6px;height:3px;border-left:2px solid var(--success);border-bottom:2px solid var(--success);transform:rotate(-45deg)}
.side-cta{background:var(--dark);border-color:transparent;color:#fff;position:relative;overflow:hidden}
.side-cta::after{content:"";position:absolute;right:-60px;bottom:-80px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(255,106,61,.35),transparent 68%)}
.side-cta h3{position:relative;z-index:1;font-size:17px;font-weight:700;color:#fff;margin-bottom:10px}
.side-cta p{position:relative;z-index:1;font-size:14px;line-height:1.8;color:#B9B1D6;margin-bottom:18px}
.side-cta .btn{position:relative;z-index:1}

/* ---------- 板块头 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:28px}
.section-head h2{position:relative;font-size:28px;line-height:1.35;font-weight:700;color:var(--ink);padding-bottom:12px}
.section-head h2::after{content:"";position:absolute;left:0;bottom:0;width:64px;height:3px;border-radius:3px;background:var(--grad)}
.section-sub{font-size:15px;color:var(--ink-2);margin-top:8px;line-height:1.8}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.link-more svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .2s}
.link-more:hover{text-decoration:none}
.link-more:hover svg{transform:translateX(3px)}

/* ---------- 卡片网格（资讯 / 继续浏览） ---------- */
.card-grid{display:grid;gap:24px}
.card-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D9D0F7;text-decoration:none}
.post-cover{aspect-ratio:16/9;overflow:hidden;background:var(--grad-soft)}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.post-card:hover .post-cover img{transform:scale(1.05)}
.post-body{display:flex;flex-direction:column;gap:12px;padding:22px 22px 24px;flex:1}
.post-title{font-size:18px;line-height:1.5;font-weight:700;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-desc{font-size:14px;line-height:1.78;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:8px;font-size:13px;color:var(--ink-3)}
.post-more{display:inline-flex;align-items:center;gap:5px;font-weight:600;color:var(--brand)}
.post-more svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2.2}

/* ---------- 继续浏览 ---------- */
.related-section{padding:72px 0 0}

/* ---------- 底部 CTA ---------- */
.cta-band{padding:80px 0}
.cta-card{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:36px;background:var(--dark);border-radius:var(--radius-lg);padding:52px;color:#fff}
.cta-card::before{content:"";position:absolute;right:-70px;bottom:-140px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(255,106,61,.38),rgba(110,75,240,.22) 55%,transparent 72%);pointer-events:none}
.cta-text{position:relative;z-index:1;max-width:620px}
.cta-text h2{font-size:28px;line-height:1.4;font-weight:700;color:#fff;margin-bottom:12px}
.cta-text p{font-size:15px;line-height:1.85;color:#B9B1D6}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;overflow:hidden;background:var(--dark);color:#B9B1D6;padding:64px 0 0;margin-top:0}
.site-footer::after{content:"";position:absolute;left:-80px;top:-120px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(110,75,240,.28),transparent 70%);opacity:.55;pointer-events:none}
.footer-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-col li{margin-bottom:11px}
.footer-col li a{font-size:14px;color:#B9B1D6;transition:color .2s,padding-left .2s}
.footer-col li a:hover{color:#fff;text-decoration:none;padding-left:3px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{width:40px;height:40px;border-radius:13px;background:var(--grad);display:grid;place-items:center;flex-shrink:0}
.footer-brand .brand-mark svg{width:20px;height:20px}
.footer-brand .brand-text{display:flex;flex-direction:column;line-height:1.2}
.footer-brand .brand-name{font-size:16px;font-weight:800;color:#fff}
.footer-brand .brand-sub{font-size:11px;color:#8B84A8}
.footer-desc{font-size:14px;line-height:1.9;color:#9C93BE;max-width:380px}
.footer-qr{display:inline-flex;align-items:center;gap:8px;margin-top:16px;padding:9px 15px;border:1px dashed rgba(255,255,255,.22);border-radius:12px;font-size:13px;color:#9C93BE}
.footer-qr svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.6}
.footer-bottom{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:22px 0;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#8B84A8}

/* ---------- 返回顶部 ---------- */
.to-top{position:fixed;right:24px;bottom:24px;z-index:80;display:inline-flex;align-items:center;gap:7px;height:44px;padding:0 18px;border-radius:var(--radius-pill);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);color:var(--brand);font-size:14px;font-weight:600;opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .25s,transform .25s,visibility .25s,box-shadow .25s}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{box-shadow:var(--shadow-hover);text-decoration:none}
.to-top svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2.2}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-inner{height:64px}
  .nav-links{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:6px;margin:0;padding:14px 20px 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 24px 44px -30px rgba(25,18,51,.5)}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px;border-radius:12px;font-size:15px}
  .nav-links a.is-active::after{display:none}
  .nav-toggle{display:inline-flex}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .side{position:static}
  .card-grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-card{flex-direction:column;align-items:flex-start;padding:40px 32px}
  .cta-actions{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .brand-sub{display:none}
  .nav-actions .status-badge{display:none}
  .article-hero{padding:24px 0 0}
  .article-hero-card{padding:26px 22px;border-radius:var(--radius-card)}
  .article-hero-card h1{font-size:26px;margin:14px 0 14px}
  .article-body{padding:24px 20px;font-size:16px;line-height:1.9}
  .article-body h2{font-size:21px;margin:32px 0 14px}
  .article-body h3{font-size:18px}
  .section-head h2{font-size:23px}
  .section-sub{font-size:14px}
  .nextprev{grid-template-columns:minmax(0,1fr)}
  .card-grid-3{grid-template-columns:minmax(0,1fr)}
  .related-section{padding:52px 0 0}
  .cta-band{padding:56px 0}
  .cta-card{padding:32px 22px}
  .cta-text h2{font-size:22px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .footer-desc{max-width:none}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:420px){
  .container{padding:0 14px}
  .brand-name{font-size:15px}
  .article-hero-card h1{font-size:23px}
  .btn{padding:0 18px;font-size:14px}
  .btn-lg{height:48px}
}

/* roulang page: category3 */
:root{
  --brand-1:#4B2ACB;
  --brand-2:#6E4BF0;
  --brand-3:#3A1E9E;
  --brand-soft:#EDE7FF;
  --coral:#FF6A3D;
  --peach:#FF9C7A;
  --ok:#14B8A6;
  --warn:#F5A524;
  --danger:#E5484D;
  --text:#1A1523;
  --text-2:#5B5470;
  --text-3:#8B849C;
  --line:#E7E3F2;
  --bg:#F7F5FB;
  --card:#FFFFFF;
  --dark:#191233;
  --grad:linear-gradient(135deg,#4B2ACB 0%,#6E4BF0 45%,#FF6A3D 100%);
  --radius-card:20px;
  --radius-block:28px;
  --radius-img:16px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(25,18,51,.05);
  --shadow-md:0 1px 2px rgba(25,18,51,.05),0 16px 40px -20px rgba(75,42,203,.22);
  --shadow-lg:0 2px 4px rgba(25,18,51,.06),0 28px 60px -26px rgba(75,42,203,.34);
  --space-block:88px;
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand-1);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-3);text-decoration:underline;}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;letter-spacing:0;font-weight:700;color:var(--text);}
p{margin:0;}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:999;
  background:var(--brand-1);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;
}
.skip-link:focus{left:0;color:#fff;text-decoration:none;}

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

/* ---------- 顶部活动条 ---------- */
.topbar{
  background:var(--dark);color:#EDE7FF;font-size:13.5px;
  height:36px;display:flex;align-items:center;
}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  height:36px;
}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0;}
.dot{
  width:8px;height:8px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 4px rgba(20,184,166,.18);flex:none;
}
.topbar-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#D9D2F5;}
.topbar-right{display:flex;align-items:center;gap:12px;flex:none;}
.countdown{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(245,165,36,.16);color:#FFD79A;
  border:1px solid rgba(245,165,36,.35);
  padding:2px 10px;border-radius:var(--radius-pill);font-size:12.5px;
}
.topbar-close{
  background:transparent;border:1px solid rgba(237,231,255,.25);color:#EDE7FF;
  width:22px;height:22px;border-radius:50%;line-height:1;font-size:13px;
  display:inline-flex;align-items:center;justify-content:center;
}
.topbar-close:hover{border-color:#fff;color:#fff;}
.topbar-placeholder{height:0;background:var(--dark);transition:height .22s ease;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-stuck{
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px -18px rgba(25,18,51,.45);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:72px;
}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:42px;height:42px;border-radius:14px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;flex:none;
  box-shadow:0 12px 26px -14px rgba(75,42,203,.75);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:17px;font-weight:800;color:var(--text);letter-spacing:-.01em;}
.brand-sub{font-size:12px;color:var(--text-3);}
.nav-links{
  display:flex;align-items:center;gap:6px;
}
.nav-links a{
  display:inline-block;padding:9px 14px;border-radius:var(--radius-pill);
  font-size:15px;color:var(--text-2);font-weight:500;position:relative;
  text-decoration:none;transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:var(--brand-1);background:var(--brand-soft);text-decoration:none;}
.nav-links a.is-active{
  color:var(--brand-1);font-weight:700;background:var(--brand-soft);
}
.nav-links a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:22px;height:3px;border-radius:3px;background:var(--grad);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:none;}
.status-badge{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;color:#0F766E;background:rgba(20,184,166,.1);
  border:1px solid rgba(20,184,166,.25);
  padding:5px 12px;border-radius:var(--radius-pill);
}
.menu-btn{
  display:none;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
}
.menu-btn svg{width:20px;height:20px;stroke:var(--text);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:16px;font-weight:700;border:1px solid transparent;
  transition:transform .16s ease,box-shadow .2s ease,background .2s ease,filter .2s ease;
  text-decoration:none;white-space:nowrap;
}
.btn:hover{text-decoration:none;}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:var(--grad);color:#fff;
  box-shadow:0 16px 34px -18px rgba(75,42,203,.85);
}
.btn-primary:hover{filter:brightness(1.06);color:#fff;}
.btn-secondary{
  background:#fff;border-color:var(--line);color:var(--brand-1);
}
.btn-secondary:hover{border-color:var(--brand-2);color:var(--brand-3);box-shadow:var(--shadow-sm);}
.btn-ghost{
  background:transparent;color:var(--brand-1);padding:0 6px;height:auto;
}
.btn-ghost:hover{color:var(--brand-3);text-decoration:underline;}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;}
.btn-block{width:100%;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 6px;font-size:13.5px;color:var(--text-3);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a{color:var(--text-2);text-decoration:none;}
.crumb a:hover{color:var(--brand-1);text-decoration:underline;}
.crumb-sep{color:var(--text-3);}
.crumb-current{color:var(--text);font-weight:600;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 小 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:#fff;border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;left:-140px;top:-160px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(110,75,240,.20),rgba(110,75,240,0) 70%);
}
.page-hero::after{
  content:"";position:absolute;right:-120px;bottom:-180px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,61,.18),rgba(255,106,61,0) 70%);
}
.page-hero .container{position:relative;z-index:2;}
.hero-grid{
  display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:center;
  padding:52px 0 64px;
}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-soft);color:var(--brand-1);
  font-size:13px;font-weight:700;padding:6px 14px;border-radius:var(--radius-pill);
}
.chip svg{width:14px;height:14px;}
.page-hero h1{
  font-size:44px;line-height:1.2;font-weight:800;margin:18px 0 18px;
  letter-spacing:-.01em;max-width:640px;
}
.page-hero h1 em{
  font-style:normal;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  font-size:16.5px;line-height:1.9;color:var(--text-2);max-width:620px;
}
.hero-lead + .hero-lead{margin-top:14px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-hint{
  display:flex;align-items:center;gap:8px;margin-top:20px;
  font-size:13.5px;color:var(--text-3);
}
.hero-hint svg{width:16px;height:16px;stroke:var(--ok);flex:none;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-block);
  box-shadow:var(--shadow-lg);
}
.float-card{
  position:absolute;background:#fff;border:1px solid var(--line);
  border-radius:18px;padding:14px 18px;box-shadow:var(--shadow-md);
  min-width:150px;
}
.float-card .fc-label{font-size:12.5px;color:var(--text-3);}
.float-card .fc-num{
  font-size:22px;font-weight:800;letter-spacing:-.01em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.float-card.fc-a{left:-18px;bottom:26px;}
.float-card.fc-b{right:-14px;top:26px;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--space-block) 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{font-size:32px;line-height:1.32;letter-spacing:-.01em;}
.section-head .rule{
  width:64px;height:3px;border-radius:3px;background:var(--grad);margin:16px 0 18px;
}
.section-head p{color:var(--text-2);font-size:16px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head.center .rule{margin-left:auto;margin-right:auto;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  overflow:hidden;transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{
  background:#FAF8FF;border-color:rgba(110,75,240,.35);box-shadow:var(--shadow-sm);
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 24px;position:relative;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:24px;top:26px;width:14px;height:14px;
  border-right:2px solid var(--brand-1);border-bottom:2px solid var(--brand-1);
  transform:rotate(45deg);transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-item summary:hover{color:var(--brand-1);}
.faq-body{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--text-2);}
.faq-body p + p{margin-top:10px;}
.faq-body ul{margin:10px 0 0;display:grid;gap:8px;}
.faq-body li{position:relative;padding-left:20px;}
.faq-body li::before{
  content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:50%;
  background:var(--brand-2);
}

/* ---------- 情况 / 建议 卡片 ---------- */
.advice-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;
}
.advice-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;position:relative;overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.advice-card::before{
  content:"";position:absolute;left:0;top:0;right:0;height:3px;background:var(--grad);
}
.advice-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:rgba(110,75,240,.35);}
.advice-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;color:var(--danger);
  background:rgba(229,72,77,.08);border:1px solid rgba(229,72,77,.22);
  padding:4px 12px;border-radius:var(--radius-pill);
}
.advice-card h3{font-size:19px;line-height:1.5;margin:14px 0 12px;}
.advice-split{display:grid;gap:14px;}
.advice-row{display:grid;grid-template-columns:52px 1fr;gap:12px;align-items:start;}
.advice-row .lead{
  font-size:12.5px;font-weight:700;color:var(--brand-1);background:var(--brand-soft);
  border-radius:8px;text-align:center;padding:4px 0;
}
.advice-row .lead.ok{color:#0F766E;background:rgba(20,184,166,.12);}
.advice-row p{font-size:14.5px;line-height:1.8;color:var(--text-2);}

/* ---------- 联系 CTA ---------- */
.cta-band{margin:0 0 var(--space-block);}
.cta-inner{
  position:relative;overflow:hidden;
  background:var(--dark);color:#fff;border-radius:var(--radius-block);
  padding:52px 54px;display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-inner::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,61,.55),rgba(255,106,61,0) 70%);
}
.cta-inner::before{
  content:"";position:absolute;inset:0;opacity:.06;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:22px 22px;
}
.cta-text{position:relative;z-index:2;max-width:600px;}
.cta-text h2{color:#fff;font-size:30px;line-height:1.34;}
.cta-text p{color:#CFC6F2;font-size:15.5px;margin-top:12px;}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;flex:none;}
.cta-actions .btn-secondary{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.28);color:#fff;}
.cta-actions .btn-secondary:hover{background:rgba(255,255,255,.16);color:#fff;}

/* ---------- 继续浏览卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(110,75,240,.35);}
.post-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-card .thumb .badge{
  position:absolute;left:14px;top:14px;
  background:rgba(255,255,255,.94);color:var(--brand-1);
  font-size:12.5px;font-weight:700;padding:4px 12px;border-radius:var(--radius-pill);
}
.post-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.post-card h3{font-size:18px;line-height:1.55;}
.post-card h3 a{color:var(--text);text-decoration:none;}
.post-card h3 a:hover{color:var(--brand-1);text-decoration:none;}
.post-card p{font-size:14.5px;color:var(--text-2);margin-top:10px;flex:1;}
.post-card .foot{
  margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13.5px;color:var(--text-3);border-top:1px solid var(--line);padding-top:14px;
}
.post-card .foot .more{display:inline-flex;align-items:center;gap:6px;color:var(--brand-1);font-weight:700;}
.post-card .foot .more svg{width:14px;height:14px;transition:transform .2s ease;}
.post-card:hover .foot .more svg{transform:translateX(2px);}

/* ---------- 页脚 ---------- */
.site-footer{background:#120C26;color:#C7BEE8;padding:64px 0 0;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{width:40px;height:40px;border-radius:13px;}
.footer-brand .brand-name{color:#fff;font-size:16.5px;font-weight:800;display:block;}
.footer-brand .brand-sub{color:#9C93C7;font-size:12px;display:block;}
.footer-desc{color:#A79ED1;line-height:1.85;font-size:14px;max-width:36ch;}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:#A79ED1;text-decoration:none;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-qr{
  margin-top:18px;display:inline-flex;align-items:center;gap:10px;
  border:1px dashed rgba(199,190,232,.35);border-radius:14px;padding:10px 14px;
  font-size:13px;color:#9C93C7;
}
.footer-qr svg{width:20px;height:20px;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(199,190,232,.16);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:#8E85BB;flex-wrap:wrap;
}
.footer-bottom a{color:#A79ED1;}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:150;
  width:48px;height:48px;border-radius:var(--radius-pill);border:none;
  background:var(--grad);color:#fff;display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 18px 34px -18px rgba(75,42,203,.85);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top svg{width:20px;height:20px;}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(25,18,51,.45);z-index:180;
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:190;
  background:#fff;box-shadow:-20px 0 50px -30px rgba(25,18,51,.6);
  transform:translateX(102%);transition:transform .26s ease;
  padding:22px 22px 30px;display:flex;flex-direction:column;gap:8px;
}
.drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.drawer-head .brand-name{font-size:16px;font-weight:800;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;color:var(--text-2);
}
.drawer a.drawer-link{
  display:block;padding:13px 14px;border-radius:14px;color:var(--text-2);
  font-size:15.5px;font-weight:600;text-decoration:none;
}
.drawer a.drawer-link:hover{background:var(--brand-soft);color:var(--brand-1);}
.drawer a.drawer-link.is-active{background:var(--brand-soft);color:var(--brand-1);}
.drawer .btn{margin-top:12px;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1120px;}
}
@media (max-width:1023px){
  :root{--space-block:64px;}
  .container{max-width:100%;}
  .nav-links{display:none;}
  .status-badge{display:none;}
  .menu-btn{display:inline-flex;}
  .header-inner{min-height:64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;padding:38px 0 48px;}
  .page-hero h1{font-size:34px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:38px 32px;}
  .float-card.fc-a{left:8px;bottom:12px;}
  .float-card.fc-b{right:8px;top:12px;}
}
@media (max-width:767px){
  :root{--space-block:52px;--radius-block:22px;}
  body{font-size:15.5px;}
  .container{padding:0 16px;}
  .topbar-text{font-size:12.5px;}
  .topbar .countdown{display:none;}
  .brand-sub{display:none;}
  .page-hero h1{font-size:28px;line-height:1.3;}
  .hero-lead{font-size:15.5px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .section-head h2{font-size:23px;}
  .card-grid{grid-template-columns:1fr;}
  .advice-grid{grid-template-columns:1fr;}
  .advice-row{grid-template-columns:48px 1fr;}
  .faq-item summary{font-size:16px;padding:16px 50px 16px 18px;}
  .faq-item summary::after{right:20px;top:22px;}
  .faq-body{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .cta-text h2{font-size:23px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .post-card .body{padding:18px;}
  .crumb-current{white-space:normal;}
}
@media (max-width:419px){
  body{font-size:15px;}
  .page-hero h1{font-size:25px;}
  .btn{height:44px;font-size:15px;padding:0 18px;}
  .advice-card{padding:20px;}
  .footer-desc{max-width:none;}
}

/* roulang page: category2 */
:root{
  --brand:#4B2ACB;
  --brand-2:#6E4BF0;
  --brand-3:#3A1E9E;
  --brand-soft:#EDE7FF;
  --coral:#FF6A3D;
  --peach:#FF9C7A;
  --ok:#14B8A6;
  --warn:#F5A524;
  --err:#E5484D;
  --text:#1A1523;
  --text-2:#5B5470;
  --text-3:#8B849C;
  --line:#E7E3F2;
  --bg:#F7F5FB;
  --card:#FFFFFF;
  --dark:#191233;
  --grad:linear-gradient(135deg,#4B2ACB 0%,#6E4BF0 45%,#FF6A3D 100%);
  --grad-soft:linear-gradient(135deg,#EDE7FF 0%,#FFF0EA 100%);
  --r-card:20px;
  --r-lg:28px;
  --r-img:16px;
  --pill:999px;
  --shadow:0 1px 2px rgba(25,18,51,.05),0 16px 40px -20px rgba(75,42,203,.22);
  --shadow-hover:0 2px 4px rgba(25,18,51,.06),0 22px 50px -22px rgba(75,42,203,.34);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-3);text-decoration:underline}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font:inherit}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;border-radius:6px}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;
}
.skip-link:focus{left:0;color:#fff;text-decoration:none}

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

/* ---------- 顶部活动条 ---------- */
.promo-bar{
  background:var(--dark);
  color:#EDE7FF;
  font-size:13px;
  height:40px;
  overflow:hidden;
  transition:height .28s ease,opacity .28s ease;
}
.promo-bar.is-closed{height:0;opacity:0;pointer-events:none}
.promo-inner{
  height:40px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.promo-status{display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.dot{
  width:8px;height:8px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 4px rgba(20,184,166,.18);display:inline-block;flex:0 0 auto;
}
.promo-right{display:flex;align-items:center;gap:14px;margin-left:auto}
.promo-count b{color:#fff;font-weight:700;letter-spacing:.5px}
.promo-close{
  width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  color:#C9BFF2;font-size:18px;line-height:1;transition:background .2s ease,color .2s ease;
}
.promo-close:hover{background:rgba(255,255,255,.14);color:#fff}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 28px -20px rgba(25,18,51,.35)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand-mark{
  width:40px;height:40px;border-radius:13px;background:var(--grad);
  display:grid;place-items:center;box-shadow:0 8px 20px -10px rgba(75,42,203,.65);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:17px;font-weight:800;color:var(--text);letter-spacing:-.01em}
.brand-sub{font-size:11.5px;color:var(--text-3);letter-spacing:.2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:40px;
  padding:0 14px;border-radius:var(--pill);
  font-size:15px;color:var(--text-2);font-weight:500;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--brand);background:var(--brand-soft);text-decoration:none}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%) scaleX(0);
  width:22px;height:3px;border-radius:var(--pill);background:var(--grad);
  transition:transform .25s ease;
}
.nav-links a.is-active{color:var(--brand);font-weight:700}
.nav-links a.is-active::after{transform:translateX(-50%) scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.status-badge{
  display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 13px;
  border-radius:var(--pill);background:#E9FBF7;color:#0E8C80;
  font-size:13px;font-weight:600;white-space:nowrap;
}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:13px;
  align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;
}
.menu-toggle svg{width:22px;height:22px;stroke:var(--text)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--pill);
  font-size:15.5px;font-weight:700;white-space:nowrap;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{
  background:var(--grad);color:#fff;
  box-shadow:0 10px 26px -12px rgba(75,42,203,.75);
}
.btn-primary:hover{color:#fff;filter:brightness(1.06);box-shadow:0 14px 32px -12px rgba(255,106,61,.6)}
.btn-secondary{
  background:#fff;color:var(--brand);border:1px solid var(--line);
  box-shadow:0 1px 2px rgba(25,18,51,.04);
}
.btn-secondary:hover{border-color:var(--brand-2);color:var(--brand-3);box-shadow:0 8px 22px -14px rgba(75,42,203,.5)}
.btn-ghost{color:var(--brand);padding:0 6px;height:44px;font-weight:700}
.btn-ghost:hover{color:var(--brand-3)}
.btn-ghost .arrow{transition:transform .2s ease}
.btn-ghost:hover .arrow{transform:translateX(3px)}
.btn-sm{height:40px;padding:0 20px;font-size:14.5px}
.btn-block{width:100%}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:7px;
  height:30px;padding:0 14px;border-radius:var(--pill);
  background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:700;letter-spacing:.2px;
}
.tag-outline{
  background:#fff;border:1px solid var(--line);color:var(--text-2);font-weight:600;
}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:var(--pill);background:#FFF2EC;color:#C2410C;font-size:12.5px;font-weight:700;
}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:64px 0 56px;
  background:
    radial-gradient(560px 320px at 8% 0%,rgba(110,75,240,.16),transparent 70%),
    radial-gradient(520px 300px at 96% 92%,rgba(255,106,61,.16),transparent 70%),
    var(--bg);
}
.page-hero::after{
  content:"";position:absolute;right:-80px;top:-60px;width:320px;height:320px;
  background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:.06;border-radius:50%;pointer-events:none;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-copy{max-width:620px}
.hero-copy h1{font-size:44px;line-height:1.18;font-weight:800;letter-spacing:-.01em;margin:18px 0 18px}
.hero-sub{font-size:17.5px;color:var(--text-2);line-height:1.85;max-width:580px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-meta li{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13.5px;color:var(--text-2);background:#fff;border:1px solid var(--line);
  border-radius:var(--pill);padding:7px 14px;
}
.hero-meta li svg{width:15px;height:15px;stroke:var(--ok)}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:var(--shadow);
}
.float-card{
  position:absolute;left:-18px;bottom:-22px;
  background:#fff;border-radius:18px;padding:14px 18px;
  box-shadow:0 20px 46px -22px rgba(25,18,51,.4);
  border-top:3px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  min-width:180px;
}
.float-card .fc-num{
  font-size:24px;font-weight:800;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.float-card .fc-label{font-size:12.5px;color:var(--text-3);margin-top:2px}
.float-card-2{left:auto;right:-14px;top:-18px;bottom:auto;min-width:158px}

/* ---------- 说明段落 ---------- */
.hero-notes{padding:8px 0 0}
.notes-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:8px}
.note-card{
  background:#fff;border-radius:var(--r-card);padding:26px 28px;
  box-shadow:var(--shadow);border-top:3px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.note-card h2{font-size:19px;font-weight:700;margin-bottom:10px}
.note-card p{font-size:15.5px;color:var(--text-2);line-height:1.9}
.note-card p + p{margin-top:12px}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:32px;font-weight:700;line-height:1.3;letter-spacing:-.01em}
.section-head h2::after{
  content:"";display:block;width:64px;height:3px;border-radius:2px;background:var(--grad);margin-top:16px;
}
.section-head p{margin-top:18px;font-size:16px;color:var(--text-2);line-height:1.9}
.section-head .tag{margin-bottom:16px}

/* ---------- 速览数据条 ---------- */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{
  background:#fff;border-radius:var(--r-card);padding:24px;
  box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease;
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.stat-label{font-size:13px;color:var(--text-3);font-weight:600}
.stat-value{
  font-size:30px;font-weight:800;line-height:1.2;margin:8px 0 6px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-desc{font-size:13.5px;color:var(--text-2);line-height:1.7}

/* ---------- 适用情形卡组 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.scene-card{
  display:flex;gap:18px;background:#fff;border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow);border:1px solid transparent;
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#DCD2FF}
.scene-icon{
  flex:0 0 auto;width:52px;height:52px;border-radius:16px;
  display:grid;place-items:center;background:var(--grad-soft);
}
.scene-icon svg{width:24px;height:24px;stroke:var(--brand);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.scene-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.scene-card p{font-size:14.5px;color:var(--text-2);line-height:1.85}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:8px}
.tl-item{position:relative;display:grid;grid-template-columns:64px 1fr;gap:24px;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:31px;top:56px;bottom:0;width:2px;
  background:linear-gradient(180deg,rgba(110,75,240,.45),rgba(255,106,61,.22));
}
.tl-item:last-child::before{display:none}
.tl-node{
  width:64px;height:64px;border-radius:20px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-size:20px;font-weight:800;
  box-shadow:0 12px 26px -14px rgba(75,42,203,.8);position:relative;z-index:1;
}
.tl-body{
  background:#fff;border-radius:var(--r-card);padding:24px 28px;
  box-shadow:var(--shadow);border-top:3px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.tl-body h3{font-size:19px;font-weight:700;margin-bottom:10px}
.tl-body p{font-size:15px;color:var(--text-2);line-height:1.9}
.check-list{margin-top:14px;display:grid;gap:8px}
.check-list li{
  display:flex;align-items:flex-start;gap:9px;font-size:14.5px;color:var(--text-2);line-height:1.7;
}
.check-list li svg{flex:0 0 auto;width:17px;height:17px;margin-top:4px;stroke:var(--ok);stroke-width:2.4;fill:none;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 对照表 ---------- */
.table-wrap{
  overflow-x:auto;background:#fff;border-radius:var(--r-card);
  box-shadow:var(--shadow);padding:6px;
}
table{width:100%;border-collapse:collapse;min-width:640px}
caption{
  caption-side:top;text-align:left;padding:18px 22px 8px;
  font-size:13.5px;color:var(--text-3);
}
th,td{padding:16px 22px;text-align:left;font-size:14.8px;vertical-align:top;line-height:1.8}
thead th{
  font-size:14px;font-weight:700;color:var(--text);background:var(--brand-soft);
  border-bottom:1px solid var(--line);
}
thead th:first-child{border-radius:14px 0 0 14px}
thead th:last-child{border-radius:0 14px 14px 0}
tbody tr:nth-child(even){background:#FBFAFF}
tbody td{border-bottom:1px solid var(--line);color:var(--text-2)}
tbody tr:last-child td{border-bottom:0}
tbody td:first-child{font-weight:700;color:var(--text);white-space:nowrap}

/* ---------- 提示卡 ---------- */
.tips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tip-card{
  background:linear-gradient(180deg,#FFFFFF 0%,#FBFAFF 100%);
  border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.tip-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.tip-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.tip-head svg{width:20px;height:20px;stroke:var(--warn);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.tip-head h3{font-size:16.5px;font-weight:700}
.tip-card p{font-size:14.5px;color:var(--text-2);line-height:1.85}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px}
.faq-item{
  background:#fff;border-radius:var(--r-img);border:1px solid var(--line);
  padding:0 22px;transition:background .22s ease,border-color .22s ease;
}
.faq-item[open]{background:#FAF8FF;border-color:#DCD2FF}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;font-size:16.5px;font-weight:600;color:var(--text);line-height:1.7;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);
  font-size:16px;font-weight:700;transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-body{padding:0 0 22px;font-size:15px;color:var(--text-2);line-height:1.9;max-width:900px}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--dark);border-radius:var(--r-lg);
  padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-band::before{
  content:"";position:absolute;right:-70px;bottom:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(255,106,61,.5),transparent 68%);
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-3.png") center/cover no-repeat;
  opacity:.07;pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:620px}
.cta-copy h2{font-size:30px;font-weight:700;color:#fff;line-height:1.32}
.cta-copy p{margin-top:14px;font-size:15.5px;color:#C9BFF2;line-height:1.9}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}
.cta-actions .btn-secondary{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.26)}
.cta-actions .btn-secondary:hover{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.5)}

/* ---------- 内容卡片（继续浏览） ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.content-card{
  display:flex;flex-direction:column;background:#fff;border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);border-top:3px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  transition:transform .22s ease,box-shadow .22s ease;
}
.content-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);text-decoration:none}
.content-card .cover{position:relative;overflow:hidden}
.content-card .cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.content-card:hover .cover img{transform:scale(1.04)}
.content-card .body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.content-card h3{font-size:18px;font-weight:700;color:var(--text);margin:12px 0 10px;line-height:1.5}
.content-card p{font-size:14.5px;color:var(--text-2);line-height:1.85;flex:1}
.card-link{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:14.5px;font-weight:700;color:var(--brand)}
.card-link .arrow{transition:transform .2s ease}
.content-card:hover .card-link .arrow{transform:translateX(3px)}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(25,18,51,.45);z-index:110;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;z-index:120;
  background:#fff;box-shadow:-18px 0 46px -24px rgba(25,18,51,.5);
  transform:translateX(102%);transition:transform .3s ease;
  padding:22px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.drawer-head span{font-size:15px;font-weight:800;color:var(--text)}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  display:grid;place-items:center;font-size:20px;color:var(--text-2);
}
.drawer a{
  display:block;padding:13px 16px;border-radius:14px;font-size:15.5px;color:var(--text-2);font-weight:600;
}
.drawer a:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none}
.drawer a.is-active{background:var(--brand-soft);color:var(--brand);font-weight:800}
.drawer .btn{margin-top:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 0;margin-top:16px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-desc{font-size:14.5px;color:var(--text-2);line-height:1.9;max-width:380px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:grid;gap:11px}
.footer-col ul a{font-size:14.5px;color:var(--text-2)}
.footer-col ul a:hover{color:var(--brand)}
.footer-qr{
  margin-top:20px;display:inline-flex;align-items:center;gap:10px;
  padding:12px 16px;border:1px dashed var(--line);border-radius:14px;
  font-size:13px;color:var(--text-3);
}
.footer-qr svg{width:22px;height:22px;stroke:var(--brand);fill:none}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--line);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;font-size:13.5px;color:var(--text-3);flex-wrap:wrap;
}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;right:22px;bottom:26px;z-index:90;
  height:46px;padding:0 20px;border-radius:var(--pill);
  background:var(--grad);color:#fff;font-size:14px;font-weight:700;
  box-shadow:0 14px 30px -14px rgba(75,42,203,.85);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.back-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1120px}
  .hero-copy h1{font-size:40px}
}
@media (max-width:1023px){
  .nav-links,.status-badge{display:none}
  .menu-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-copy{max-width:none}
  .hero-visual{max-width:640px}
  .float-card{left:12px;bottom:-18px}
  .float-card-2{right:12px;left:auto;top:-14px;bottom:auto}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .tips-grid{grid-template-columns:1fr 1fr}
  .card-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px 40px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .header-inner{height:60px;gap:12px}
  .brand-sub{display:none}
  .page-hero{padding:44px 0 40px}
  .hero-copy h1{font-size:30px;line-height:1.3}
  .hero-sub{font-size:16px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 100%}
  .section{padding:52px 0}
  .section-tight{padding:44px 0}
  .section-head h2{font-size:24px}
  .section-head p{font-size:15px}
  .notes-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .stats-row{grid-template-columns:1fr 1fr;gap:14px}
  .stat-value{font-size:24px}
  .tips-grid{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .tl-item{grid-template-columns:52px 1fr;gap:16px}
  .tl-node{width:52px;height:52px;border-radius:16px;font-size:17px}
  .tl-item::before{left:25px;top:46px}
  .tl-body{padding:20px 20px}
  .cta-band{padding:36px 24px;border-radius:24px}
  .cta-copy h2{font-size:23px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-desc{max-width:none}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .back-top{right:14px;bottom:16px;height:42px;padding:0 16px}
  .promo-bar{font-size:12px}
  .promo-count{display:none}
}
@media (max-width:419px){
  .hero-copy h1{font-size:26px}
  .stat-card{padding:18px}
  .note-card{padding:22px 20px}
}