/* roulang page: index */
:root{
  --c-primary:#E6196B;
  --c-primary-700:#B31052;
  --c-primary-300:#FF6FA3;
  --c-accent:#19D3C5;
  --c-accent-200:#7FE9DF;
  --c-gold:#FFB020;
  --ink:#120B1A;
  --ink-2:#1B1225;
  --ink-card:#221731;
  --ink-line:rgba(255,255,255,.07);
  --ink-text:#E9E3F2;
  --ink-muted:#A99CB8;
  --paper:#F6F3FA;
  --paper-card:#FFFFFF;
  --paper-line:#E7DFF2;
  --paper-text:#1C1526;
  --paper-muted:#6A5F7A;
  --r-sm:8px;--r-md:14px;--r-lg:20px;--r-pill:999px;
  --sh-dark:0 10px 30px rgba(0,0,0,.35);
  --sh-dark-hi:0 10px 30px rgba(0,0,0,.35),0 8px 24px rgba(230,25,107,.18);
  --sh-light:0 2px 10px rgba(28,21,38,.07);
  --shell:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
  background:var(--ink);
  color:var(--ink-text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
.shell{max-width:var(--shell);margin:0 auto;padding:0 20px}
@media(min-width:640px){.shell{padding:0 24px}}
@media(min-width:1024px){.shell{padding:0 32px}}
.section{padding:48px 0;scroll-margin-top:110px}
@media(min-width:640px){.section{padding:64px 0}}
@media(min-width:1024px){.section{padding:96px 0}}
.light{background:var(--paper);color:var(--paper-text)}
.light h2,.light h3,.light h4{color:var(--paper-text)}

/* ---------- 导航 Dock ---------- */
.dock-wrap{position:sticky;top:16px;z-index:100;padding:0 16px}
.dock{
  max-width:1100px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 20px;border-radius:var(--r-pill);
  background:rgba(18,11,26,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 12px 32px rgba(0,0,0,.45);
  transition:padding .2s ease,box-shadow .2s ease;
}
.dock.is-scrolled{padding-top:6px;padding-bottom:6px;box-shadow:0 16px 40px rgba(0,0,0,.6)}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;min-width:0}
.logo-mark{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;width:22px;height:22px;flex:0 0 22px}
.logo-mark i{display:block;width:6px;height:6px;border-radius:50%;background:rgba(233,227,242,.42)}
.logo-mark i:nth-child(5){background:var(--c-primary)}
.logo-mark i:nth-child(9){background:var(--c-accent)}
.logo-text{
  font-size:15px;font-weight:700;letter-spacing:-.2px;color:#fff;white-space:nowrap;
  overflow:hidden;text-overflow:ellipsis;max-width:210px;
}
.logo-text em{font-style:normal;color:var(--c-primary-300)}
.dock-links{display:flex;align-items:center;gap:22px;margin:0 auto}
.dock-links a{
  position:relative;display:inline-block;padding:6px 10px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--ink-muted);transition:color .2s ease,background-color .2s ease;
}
.dock-links a:hover{color:var(--ink-text);background:rgba(255,255,255,.05)}
.dock-links a.active{color:var(--c-primary-300);background:rgba(230,25,107,.12)}
.dock-links a.active::after{
  content:"";position:absolute;left:50%;bottom:-1px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--c-primary);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-pill);display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.12);color:var(--ink-muted);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.icon-btn:hover{color:var(--c-primary-300);border-color:rgba(230,25,107,.45);background:rgba(230,25,107,.08)}
.icon-btn svg{width:17px;height:17px}
.burger{
  display:none;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.12);
}
.burger span{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink-text);transition:transform .2s ease,opacity .2s ease}
.burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{
  max-width:1100px;margin:10px auto 0;background:var(--ink-2);
  border:1px solid rgba(255,255,255,.08);border-radius:var(--r-lg);
  padding:6px 14px;box-shadow:0 12px 32px rgba(0,0,0,.45);
}
.mobile-panel a{
  display:flex;align-items:center;min-height:56px;font-size:17px;color:var(--ink-text);
  border-bottom:1px solid rgba(255,255,255,.06);transition:color .2s ease;
}
.mobile-panel a:last-child{border-bottom:0}
.mobile-panel a.active{color:var(--c-primary-300)}
.mobile-panel a:hover{color:var(--c-primary-300)}
@media(max-width:1023px){
  .dock-links{display:none}
  .burger{display:flex}
}
@media(max-width:639px){
  .dock{gap:10px;padding:8px 14px}
  .logo-text{font-size:14px;max-width:150px}
  .dock-actions .btn-dock{display:none}
  .dock-wrap{top:10px;padding:0 12px}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(230,25,107,.28)}
.btn-primary:hover{background:var(--c-primary-700);transform:translateY(-1px);box-shadow:0 10px 26px rgba(230,25,107,.42)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:rgba(230,25,107,.4);color:var(--c-primary-300);background:transparent}
.btn-ghost:hover{background:rgba(230,25,107,.08);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.light .btn-ghost{color:var(--c-primary-700);border-color:rgba(179,16,82,.35)}
.light .btn-ghost:hover{background:rgba(230,25,107,.08)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--c-primary-300);border-bottom:1px solid transparent;
  transition:border-color .2s ease,color .2s ease;
}
.link-arrow:hover{border-color:currentColor}
.light .link-arrow{color:var(--c-primary-700)}

/* ---------- 板块标题 ---------- */
.sec-head{max-width:780px;margin-bottom:28px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(230,25,107,.12);color:var(--c-primary-300);margin-bottom:14px;
}
.light .sec-eyebrow{color:var(--c-primary-700);background:rgba(230,25,107,.1)}
.sec-title{font-size:24px;font-weight:700;line-height:1.4;letter-spacing:-.2px;margin-bottom:12px}
@media(min-width:640px){.sec-title{font-size:28px}}
.sec-desc{font-size:15px;color:var(--ink-muted);line-height:1.85}
.light .sec-desc{color:var(--paper-muted)}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:56px 0 64px;isolation:isolate}
@media(min-width:1024px){.hero{padding:80px 0 96px}}
.hero-bg{position:absolute;inset:0;z-index:-2;overflow:hidden}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(18,11,26,.82),rgba(122,18,80,.62));
}
.hero-inner{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media(min-width:1024px){.hero-inner{grid-template-columns:1.05fr .95fr;gap:52px}}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(25,211,197,.12);color:var(--c-accent-200);
  border:1px solid rgba(25,211,197,.28);margin-bottom:20px;
}
.hero-title{
  font-size:30px;font-weight:800;line-height:1.32;letter-spacing:-.2px;
  color:#fff;margin-bottom:18px;
}
@media(min-width:640px){.hero-title{font-size:36px}}
@media(min-width:1024px){.hero-title{font-size:40px}}
.hero-sub{font-size:17px;line-height:1.85;color:var(--ink-muted);max-width:620px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:14px 26px}
.hero-points li{display:inline-flex;align-items:center;gap:9px;font-size:14px;color:var(--ink-text)}
.hero-points .dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 4px rgba(25,211,197,.14)}
.hero-art{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(230,25,107,.2);
  box-shadow:0 20px 46px rgba(0,0,0,.5);
  aspect-ratio:16/11;background:var(--ink-2);
}
.hero-art img{width:100%;height:100%;object-fit:cover}

/* ---------- 权益对比 ---------- */
.cmp-wrap{
  background:var(--paper-card);border:1px solid var(--paper-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-light);overflow:hidden;
}
.cmp-head,.cmp-row{display:grid;grid-template-columns:1.45fr 1fr 1fr 1fr}
.cmp-head{background:#FBF8FF;border-bottom:1px solid var(--paper-line);position:sticky;top:88px;z-index:6}
.cmp-th{
  padding:18px;font-size:15px;font-weight:700;color:var(--paper-text);
  display:flex;align-items:center;gap:8px;border-right:1px solid var(--paper-line);
}
.cmp-th:last-child{border-right:0}
.cmp-th-label{color:var(--paper-muted);font-weight:500}
.cmp-th-hi{
  position:relative;background:rgba(230,25,107,.06);color:var(--c-primary-700);
  border-top:3px solid var(--c-primary);
}
.tier-chip{
  font-style:normal;font-size:12px;font-weight:600;padding:2px 10px;border-radius:var(--r-pill);
  background:rgba(255,176,32,.14);color:#8A5B00;border:1px solid rgba(255,176,32,.5);
}
.cmp-group-title{
  padding:12px 18px;font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--paper-muted);background:rgba(28,21,38,.03);
  border-bottom:1px solid var(--paper-line);border-top:1px solid var(--paper-line);
}
.cmp-group:first-of-type .cmp-group-title{border-top:0}
.cmp-row{border-bottom:1px solid var(--paper-line);transition:background-color .18s ease}
.cmp-row:last-child{border-bottom:0}
.cmp-row:nth-child(odd){background:rgba(28,21,38,.02)}
.cmp-row:hover{background:rgba(230,25,107,.04)}
.cmp-cell{
  padding:16px 18px;font-size:15px;line-height:1.7;color:var(--paper-text);
  display:flex;align-items:center;gap:8px;border-right:1px solid var(--paper-line);
}
.cmp-cell:last-child{border-right:0}
.cmp-label{color:var(--paper-muted)}
.cmp-hi{background:rgba(230,25,107,.045);font-weight:600}
.ico-yes{width:18px;height:18px;flex:0 0 18px;color:var(--c-accent)}
.ico-no{width:18px;height:18px;flex:0 0 18px;color:#B9AECB}
@media(max-width:767px){
  .cmp-head{display:none}
  .cmp-group-title{padding:16px 16px 10px;border-top:0;background:transparent;color:var(--c-primary-700);font-size:13px}
  .cmp-row{display:block;padding:14px 16px;background:transparent!important}
  .cmp-row:hover{background:rgba(230,25,107,.03)!important}
  .cmp-cell{display:flex;justify-content:space-between;gap:14px;padding:5px 0;border-right:0;font-size:14px}
  .cmp-label{font-weight:700;font-size:16px;color:var(--paper-text);padding-bottom:10px;margin-bottom:6px;border-bottom:1px dashed var(--paper-line)}
  .cmp-cell[data-label]::before{content:attr(data-label);color:var(--paper-muted);font-weight:500;flex:0 0 auto}
  .cmp-hi{background:transparent;color:var(--c-primary-700)}
}

/* ---------- 等级亮点 ---------- */
.tier-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.tier-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.tier-grid{grid-template-columns:repeat(3,1fr);align-items:start}}
.tier-card{
  background:var(--ink-card);border:1px solid var(--ink-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-dark);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.tier-card:hover{transform:translateY(-2px);border-color:rgba(230,25,107,.35);box-shadow:var(--sh-dark-hi)}
@media(min-width:1024px){
  .tier-card:nth-child(1){margin-top:0}
  .tier-card:nth-child(2){margin-top:16px}
  .tier-card:nth-child(3){margin-top:32px}
}
.tier-card.is-featured{border-color:rgba(230,25,107,.5);box-shadow:0 10px 30px rgba(0,0,0,.35),0 12px 30px rgba(230,25,107,.2)}
.tier-top{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.tier-badge{
  width:46px;height:46px;flex:0 0 46px;border-radius:var(--r-md);display:grid;place-items:center;
  font-size:16px;font-weight:700;color:var(--c-gold);
  border:1px solid rgba(255,176,32,.5);background:rgba(255,176,32,.08);
}
.tier-name{font-size:18px;font-weight:600;color:#fff;line-height:1.4}
.tier-sub{font-size:13px;color:var(--ink-muted)}
.tier-list{display:grid;gap:10px;margin-bottom:22px}
.tier-list li{position:relative;padding-left:16px;font-size:15px;line-height:1.75;color:var(--ink-text)}
.tier-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--c-accent);
}
.tier-foot{border-top:1px solid var(--ink-line);padding-top:16px}

/* ---------- 专属内容预览 ---------- */
.preview-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.preview-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.preview-grid{grid-template-columns:repeat(4,1fr)}}
.pcard{
  display:block;background:var(--paper-card);border:1px solid var(--paper-line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-light);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.pcard:hover{transform:translateY(-2px);border-color:rgba(230,25,107,.35);box-shadow:0 12px 28px rgba(230,25,107,.14)}
.pcard-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDE6F6}
.pcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.pcard:hover .pcard-media img{transform:scale(1.04)}
.pcard-media::after{content:"";position:absolute;inset:0;background:rgba(18,11,26,0);transition:background-color .3s ease}
.pcard:hover .pcard-media::after{background:rgba(18,11,26,.22)}
.pcard-badge{
  position:absolute;left:12px;top:12px;z-index:2;font-size:12px;font-weight:600;
  padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(230,25,107,.92);color:#fff;
}
.pcard-body{padding:18px}
.pcard-title{
  font-size:17px;font-weight:600;line-height:1.5;color:var(--paper-text);margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pcard-desc{
  font-size:14px;line-height:1.7;color:var(--paper-muted);margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pcard-meta{font-size:13px;color:var(--paper-muted);display:flex;align-items:center;gap:8px}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:20px}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-lead{
  display:block;background:var(--ink-card);border:1px solid var(--ink-line);
  border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-dark);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
@media(min-width:768px){.news-lead{padding:32px}}
.news-lead:hover{transform:translateY(-2px);border-color:rgba(230,25,107,.35);box-shadow:var(--sh-dark-hi)}
.news-lead h3{font-size:20px;font-weight:700;line-height:1.5;color:#fff;margin-bottom:12px}
@media(min-width:768px){.news-lead h3{font-size:24px}}
.news-lead p{font-size:15px;line-height:1.85;color:var(--ink-muted);margin-bottom:16px}
.news-card{
  display:flex;flex-direction:column;background:var(--ink-card);
  border:1px solid var(--ink-line);border-radius:var(--r-lg);padding:22px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-2px);border-color:rgba(230,25,107,.35);box-shadow:var(--sh-dark-hi)}
.news-card h3{
  font-size:17px;font-weight:600;line-height:1.55;color:#fff;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  font-size:14px;line-height:1.75;color:var(--ink-muted);margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  font-size:13px;color:var(--ink-muted);padding-top:14px;border-top:1px solid var(--ink-line);
}
.badge{display:inline-flex;align-items:center;font-size:12px;font-weight:600;line-height:1;padding:5px 11px;border-radius:var(--r-pill)}
.badge-brand{background:rgba(230,25,107,.14);color:var(--c-primary-300)}
.badge-aqua{background:rgba(25,211,197,.14);color:var(--c-accent-200)}
.badge-gold{background:rgba(255,176,32,.12);color:var(--c-gold);border:1px solid rgba(255,176,32,.45)}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:52px 24px;border:1px dashed rgba(255,255,255,.14);
  border-radius:var(--r-lg);background:rgba(255,255,255,.02);
}
.empty-state svg{width:44px;height:44px;color:var(--ink-muted)}
.empty-state p{font-size:15px;color:var(--ink-muted)}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto}
.faq-group-title{
  font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--c-primary-700);
  margin:26px 0 6px;
}
.faq-group-title:first-child{margin-top:0}
.faq-item{position:relative;padding-left:18px;border-bottom:1px solid var(--paper-line)}
.faq-item::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:2px;
  background:var(--c-primary);transform:scaleY(0);transform-origin:top;transition:transform .25s ease;
}
.faq-item.open::before{transform:scaleY(1)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:18px 4px 18px 0;text-align:left;font-size:17px;font-weight:600;
  color:var(--paper-text);transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary-700)}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 20px;margin-top:4px;transition:transform .22s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary-700);border-radius:2px}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;transition:opacity .22s ease}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .25s ease}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a>div{overflow:hidden}
.faq-a p{font-size:15px;line-height:1.85;color:var(--paper-muted);padding:0 4px 22px 0;max-width:760px}
@media(max-width:767px){
  .faq-q{font-size:16px;padding:16px 4px 16px 0}
  .faq-a p{font-size:14px;padding-bottom:18px}
}

/* ---------- CTA ---------- */
.cta{position:relative;overflow:hidden;padding:56px 0 60px;isolation:isolate;scroll-margin-top:110px}
@media(min-width:1024px){.cta{padding:80px 0 84px}}
.cta-bg{position:absolute;inset:0;z-index:-2;overflow:hidden}
.cta-bg img{width:100%;height:100%;object-fit:cover}
.cta-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(18,11,26,.86),rgba(122,18,80,.7));
}
.cta-inner{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media(min-width:1024px){.cta-inner{grid-template-columns:1.3fr .7fr;gap:44px}}
.cta-copy h2{font-size:24px;font-weight:700;line-height:1.42;color:#fff;margin-bottom:18px;letter-spacing:-.2px}
@media(min-width:640px){.cta-copy h2{font-size:30px}}
.cta-points{display:flex;flex-wrap:wrap;gap:12px 26px}
.cta-points li{display:inline-flex;align-items:center;gap:9px;font-size:15px;color:var(--ink-text)}
.cta-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
@media(min-width:1024px){.cta-actions{justify-content:flex-end}}
.cta-note{font-size:13px;color:var(--ink-muted);margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);border-top:1px solid rgba(255,255,255,.07);padding:56px 0 28px}
@media(min-width:1024px){.site-footer{padding:72px 0 32px}}
.foot-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:640px){.foot-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.foot-brand p{font-size:14px;line-height:1.85;color:var(--ink-muted);margin-top:16px;max-width:340px}
.foot-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.foot-col li{font-size:14px;color:var(--ink-muted);margin-bottom:10px}
.foot-col a{color:var(--ink-muted);transition:color .2s ease,text-decoration-color .2s ease;text-decoration:underline;text-decoration-color:transparent;text-underline-offset:3px}
.foot-col a:hover{color:var(--c-primary-300);text-decoration-color:currentColor}
.foot-bottom{
  margin-top:42px;padding-top:22px;border-top:1px solid rgba(255,255,255,.07);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:var(--ink-muted);
}
.foot-bottom a{color:var(--ink-muted);text-underline-offset:3px;text-decoration:underline;text-decoration-color:rgba(255,255,255,.2)}
.foot-bottom a:hover{color:var(--c-primary-300)}
@media(max-width:639px){
  .foot-grid{gap:26px}
  .foot-bottom{flex-direction:column;gap:8px}
}

/* roulang page: article */
:root{
  --c-primary:#E6196B;
  --c-primary-700:#B31052;
  --c-primary-300:#FF6FA3;
  --c-accent:#19D3C5;
  --c-accent-300:#7FE9DF;
  --c-gold:#FFB020;

  --bg-dark:#120B1A;
  --bg-dark-2:#1B1225;
  --bg-dark-3:#221731;
  --line-dark:rgba(255,255,255,.07);
  --txt-dark:#E9E3F2;
  --txt-dark-2:#A99CB8;
  --txt-dark-3:#6E6480;

  --bg-light:#F6F3FA;
  --card-light:#FFFFFF;
  --line-light:#E7DFF2;
  --txt-light:#1C1526;
  --txt-light-2:#6A5F7A;

  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;

  --shadow-dark:0 10px 30px rgba(0,0,0,.35);
  --shadow-dark-hover:0 10px 30px rgba(0,0,0,.35),0 8px 24px rgba(230,25,107,.18);
  --shadow-light:0 2px 10px rgba(28,21,38,.07);
  --shadow-dock:0 12px 32px rgba(0,0,0,.45);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Noto Sans SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  background:var(--bg-light);
  color:var(--txt-light);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}

.shell{max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:640px){.shell{padding:0 24px}}
@media (min-width:1024px){.shell{padding:0 32px}}

/* ============ 浮动 Dock 导航 ============ */
.dock-wrap{position:sticky;top:0;z-index:80;padding:16px 20px 0}
.dock{
  max-width:1100px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 20px;
  border-radius:var(--r-pill);
  background:rgba(18,11,26,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--shadow-dock);
  transition:padding .2s ease,box-shadow .2s ease;
}
.dock.shrink{padding:6px 20px;box-shadow:0 16px 40px rgba(0,0,0,.6)}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:3px;width:26px;height:26px}
.logo-mark i{width:100%;height:100%;border-radius:50%;background:rgba(255,255,255,.32)}
.logo-mark i:nth-child(5){background:var(--c-primary)}
.logo-text{font-size:16px;font-weight:700;letter-spacing:-.2px;color:#fff;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--c-primary-300);text-transform:lowercase}
.dock-links{display:none;align-items:center;gap:22px;margin-left:auto}
.dock-links a{position:relative;font-size:15px;font-weight:500;color:var(--txt-dark-2);padding:6px 0;transition:color .2s ease}
.dock-links a:hover{color:#fff}
.dock-links a.active{color:var(--c-primary-300)}
.dock-links a.active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:-2px;width:16px;height:2px;border-radius:2px;background:var(--c-primary)}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{display:none;width:38px;height:38px;align-items:center;justify-content:center;border-radius:50%;color:var(--txt-dark-2);border:1px solid rgba(255,255,255,.1);transition:all .2s ease}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{color:#fff;border-color:rgba(230,25,107,.6);background:rgba(230,25,107,.12)}
.burger{display:inline-flex;flex-direction:column;justify-content:center;gap:4px;width:38px;height:38px;padding:0 8px;border-radius:var(--r-pill);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);cursor:pointer}
.burger span{display:block;height:2px;border-radius:2px;background:var(--txt-dark);transition:transform .2s ease,opacity .2s ease}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{
  max-width:1100px;margin:10px auto 0;
  background:var(--bg-dark-2);
  border:1px solid var(--line-dark);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-dock);
  overflow:hidden;
}
.mobile-panel[hidden]{display:none}
.mobile-panel a{display:block;padding:0 22px;line-height:56px;font-size:17px;color:var(--txt-dark);border-bottom:1px solid var(--line-dark)}
.mobile-panel a:last-child{border-bottom:0}
.mobile-panel a.active{color:var(--c-primary-300);background:rgba(230,25,107,.12)}
@media (min-width:1024px){
  .dock-links{display:flex}
  .dock-actions{margin-left:0}
  .icon-btn{display:inline-flex}
  .burger{display:none}
  .mobile-panel{display:none !important}
}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-pill);font-weight:600;font-size:15px;padding:12px 24px;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-700);transform:translateY(-1px);box-shadow:0 8px 24px rgba(230,25,107,.35)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;color:var(--c-primary-300);border-color:rgba(230,25,107,.4)}
.btn-outline:hover{background:rgba(230,25,107,.08)}
.btn-ghost{background:transparent;color:var(--c-primary-700);padding:8px 4px;text-decoration:underline;text-underline-offset:3px}
.btn-ghost:hover{color:var(--c-primary-700);text-underline-offset:6px}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-dock{white-space:nowrap}

/* ============ 文章 Hero ============ */
.article-hero{
  position:relative;
  margin-top:-58px;
  padding:118px 0 64px;
  color:var(--txt-dark);
  background-image:linear-gradient(135deg,rgba(18,11,26,.78),rgba(18,11,26,.9)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(720px 320px at 18% 0%,rgba(230,25,107,.28),transparent 70%);
  pointer-events:none;
}
.article-hero .shell{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--txt-dark-2);margin-bottom:16px}
.breadcrumb a{color:var(--txt-dark-2);transition:color .2s ease;text-decoration:none}
.breadcrumb a:hover{color:var(--c-primary-300)}
.breadcrumb .sep{color:var(--txt-dark-3)}
.breadcrumb .cur{max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--txt-dark)}
.article-hero h1{
  max-width:860px;
  font-size:30px;line-height:1.35;font-weight:800;letter-spacing:-.2px;color:#fff;
}
@media (min-width:1024px){.article-hero h1{font-size:40px;line-height:1.3}}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;font-size:13.5px;color:var(--txt-dark-2)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--txt-dark-3)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:rgba(230,25,107,.12);color:var(--c-primary-300)}
.badge-accent{background:rgba(25,211,197,.12);color:var(--c-accent-300)}
.badge-gold{background:transparent;color:var(--c-gold);border:1px solid rgba(255,176,32,.55)}

/* ============ 文章主体 ============ */
.article-section{padding:56px 0 72px}
@media (min-width:1024px){.article-section{padding:72px 0 96px}}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px}
@media (min-width:1024px){.article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:40px}}
.article-card{
  background:var(--card-light);
  border:1px solid var(--line-light);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-light);
  padding:20px;
}
@media (min-width:640px){.article-card{padding:32px}}
@media (min-width:1024px){.article-card{padding:40px}}
.article-body{max-width:760px;margin:0 auto;font-size:16px;line-height:1.85;color:var(--txt-light);word-wrap:break-word}
@media (min-width:1024px){.article-body{font-size:17px}}
.article-body h2{font-size:24px;font-weight:700;letter-spacing:-.2px;margin:2em 0 .8em;color:var(--txt-light)}
.article-body h3{font-size:19px;font-weight:600;margin:1.5em 0 .6em}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em}
.article-body p{margin:0 0 1.15em}
.article-body ul{list-style:disc;margin:0 0 1.15em 1.25em;line-height:1.8}
.article-body ol{list-style:decimal;margin:0 0 1.15em 1.25em;line-height:1.8}
.article-body li{margin:0 0 .4em}
.article-body blockquote{margin:1.5em 0;padding:16px 20px;border-left:3px solid var(--c-primary);background:rgba(230,25,107,.05);border-radius:0 var(--r-md) var(--r-md) 0;color:#3B2F4B}
.article-body a{color:var(--c-primary-700);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#7A0B39}
.article-body img{margin:1.5em auto;border-radius:12px}
.article-body figure{margin:1.5em 0}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--txt-light-2)}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;border:1px solid var(--line-light);border-radius:var(--r-md);overflow:hidden}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line-light);text-align:left}
.article-body thead th{background:var(--bg-light);font-weight:600}
.article-body tbody tr:nth-child(even){background:rgba(122,18,80,.03)}
.article-body tbody tr:hover{background:rgba(230,25,107,.05)}
.article-body hr{border:0;border-top:1px solid var(--line-light);margin:2em 0}

.article-back{display:flex;flex-wrap:wrap;align-items:center;gap:18px;max-width:760px;margin:32px auto 0;padding-top:24px;border-top:1px solid var(--line-light);font-size:14px}
.article-back a{color:var(--txt-light-2);transition:color .2s ease}
.article-back a:hover{color:var(--c-primary-700)}
.article-back .strong{color:var(--c-primary-700);font-weight:600}

.empty-state{max-width:760px;margin:0 auto;text-align:center;padding:48px 20px}
.empty-state .ico{width:56px;height:56px;margin:0 auto 18px;border-radius:50%;border:1px solid var(--line-light);display:flex;align-items:center;justify-content:center;color:var(--txt-light-2)}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--txt-light-2);font-size:15px;margin-bottom:22px}

/* 侧栏目录 */
.article-toc{display:none}
@media (min-width:1024px){
  .article-toc{display:block;position:sticky;top:106px;align-self:start;font-size:14px}
}
.article-toc h2{font-size:13px;font-weight:600;color:var(--txt-light-2);letter-spacing:.4px;margin-bottom:14px}
.article-toc a{display:block;padding:7px 0 7px 12px;border-left:2px solid transparent;color:var(--txt-light-2);line-height:1.5;transition:all .2s ease}
.article-toc a:hover{color:var(--c-primary-700)}
.article-toc a.active{color:var(--c-primary-700);border-left-color:var(--c-primary);font-weight:600}
.article-toc .lvl3{padding-left:24px;font-size:13px}

/* ============ 相关推荐 ============ */
.related{padding:0 0 72px}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.related-head h2{font-size:24px;font-weight:700;letter-spacing:-.2px}
@media (min-width:1024px){.related-head h2{font-size:28px}}
.related-head a{font-size:14px;color:var(--c-primary-700);text-decoration:underline;text-underline-offset:3px}
.related-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr)}}
.card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card-light);
  border:1px solid var(--line-light);
  border-radius:var(--r-lg);
  padding:20px;
  box-shadow:var(--shadow-light);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(230,25,107,.35);box-shadow:0 10px 26px rgba(28,21,38,.1)}
.card-cover{position:relative;aspect-ratio:16/9;border-radius:var(--r-md);overflow:hidden;margin-bottom:16px;background:var(--bg-light)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-cover img{transform:scale(1.04)}
.card h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card p{font-size:14px;color:var(--txt-light-2);line-height:1.7;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--txt-light-2)}
.card-meta .tag{padding:3px 10px;border-radius:var(--r-pill);background:rgba(230,25,107,.12);color:var(--c-primary-700);font-size:12px;font-weight:600}

/* ============ CTA 窄条 ============ */
.mini-cta{
  padding:48px 0;
  background-image:linear-gradient(135deg,rgba(230,25,107,.94),rgba(122,18,80,.94)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  color:#fff;
}
.mini-cta .inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px}
.mini-cta h2{font-size:22px;font-weight:700;margin-bottom:8px}
@media (min-width:1024px){.mini-cta h2{font-size:28px}}
.mini-cta p{font-size:14px;color:rgba(255,255,255,.85);max-width:620px}
.mini-cta .actions{display:flex;flex-wrap:wrap;gap:12px}
.btn-white{background:#fff;color:var(--c-primary-700)}
.btn-white:hover{background:#fff;transform:translateY(-1px);box-shadow:0 10px 26px rgba(0,0,0,.28)}
.btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-line:hover{background:rgba(255,255,255,.12)}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-dark);color:var(--txt-dark-2);border-top:1px solid rgba(255,255,255,.08);padding:64px 0 26px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.foot-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1fr)}
.foot-brand .logo{margin-bottom:16px}
.foot-brand p{line-height:1.8;color:var(--txt-dark-2);max-width:360px}
.foot-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.foot-col ul li{margin-bottom:10px}
.foot-col a{color:var(--txt-dark-2);transition:color .2s ease,text-underline-offset .2s ease}
.foot-col a:hover{color:var(--c-primary-300);text-decoration:underline;text-underline-offset:3px}
.foot-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:var(--txt-dark-3)}
.foot-bottom a{color:var(--txt-dark-2)}
.foot-bottom a:hover{color:var(--c-primary-300)}

/* roulang page: category1 */
:root{
  --c-primary:#E6196B;
  --c-primary-700:#B31052;
  --c-primary-300:#FF6FA3;
  --c-accent:#19D3C5;
  --c-accent-300:#7FE9DF;
  --c-gold:#FFB020;
  --dark-bg:#120B1A;
  --dark-2:#1B1225;
  --dark-card:#221731;
  --dark-line:rgba(255,255,255,.07);
  --dark-text:#E9E3F2;
  --dark-sub:#A99CB8;
  --dark-mute:#6E6480;
  --light-bg:#F6F3FA;
  --light-card:#FFFFFF;
  --light-line:#E7DFF2;
  --light-text:#1C1526;
  --light-sub:#6A5F7A;
  --light-link:#B31052;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-dark:0 10px 30px rgba(0,0,0,.35);
  --sh-dark-hover:0 8px 24px rgba(230,25,107,.18);
  --sh-light:0 2px 10px rgba(28,21,38,.07);
  --sh-dock:0 12px 32px rgba(0,0,0,.45);
  --font-cn:'PingFang SC','Hiragino Sans GB','Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--light-text);
  background:var(--light-bg);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:640px){.shell{padding:0 24px}}
@media (min-width:1024px){.shell{padding:0 32px}}
.section{padding:48px 0}
@media (min-width:640px){.section{padding:64px 0}}
@media (min-width:1024px){.section{padding:96px 0}}
.section-tight{padding:40px 0}
@media (min-width:1024px){.section-tight{padding:64px 0}}
.bg-light{background:var(--light-bg);color:var(--light-text)}
.bg-dark{background:var(--dark-bg);color:var(--dark-text)}
.bg-dark .muted,.bg-dark .lead{color:var(--dark-sub)}
.muted{color:var(--light-sub)}
.lead{font-size:17px;line-height:1.85;color:var(--light-sub);max-width:780px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.08em;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(230,25,107,.12);color:var(--c-primary-700);
}
.bg-dark .eyebrow{color:var(--c-primary-300);background:rgba(230,25,107,.16)}
.eyebrow-accent{background:rgba(25,211,197,.14);color:#0E8C83}
.sec-head{max-width:760px;margin-bottom:32px}
.sec-head h2{font-size:24px;font-weight:700;letter-spacing:-.2px;margin-top:16px;line-height:1.45}
@media (min-width:1024px){.sec-head h2{font-size:28px}}
.sec-head p{margin-top:12px;color:var(--light-sub)}
.bg-dark .sec-head p{color:var(--dark-sub)}
.sec-head-row{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;max-width:none}

/* ============ Dock 导航 ============ */
.dock-wrap{position:sticky;top:16px;z-index:60;padding:0 16px}
.dock{
  max-width:1100px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:10px 20px;border-radius:var(--r-pill);
  background:rgba(18,11,26,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--sh-dock);
  transition:padding .2s ease,box-shadow .2s ease;
}
.dock.is-scrolled{padding:7px 20px;box-shadow:0 16px 38px rgba(0,0,0,.55)}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;flex-shrink:0}
.logo-mark{display:grid;grid-template-columns:repeat(3,1fr);gap:3px;width:28px;height:28px}
.logo-mark i{width:5px;height:5px;border-radius:50%;background:rgba(233,227,242,.55)}
.logo-mark i:nth-child(5){background:var(--c-primary);box-shadow:0 0 8px rgba(230,25,107,.8)}
.logo-mark i:nth-child(9){background:var(--c-accent)}
.logo-text{font-size:15px;font-weight:700;letter-spacing:-.2px;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--c-primary-300);text-transform:lowercase}
.dock-links{display:none;align-items:center;gap:22px;list-style:none;margin:0}
@media (min-width:1024px){.dock-links{display:flex}}
.dock-links a{
  position:relative;display:inline-block;padding:6px 2px;
  font-size:15px;font-weight:500;color:rgba(233,227,242,.82);border-radius:var(--r-sm);
}
.dock-links a:hover{color:#fff}
.dock-links a::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:0;height:2px;background:var(--c-primary);border-radius:2px;transition:width .2s ease;
}
.dock-links a.active{color:#fff;background:rgba(230,25,107,.12);padding:6px 12px}
.dock-links a.active::after{width:16px}
.dock-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  display:none;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;color:rgba(233,227,242,.8);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);
  transition:color .2s ease,background .2s ease;
}
@media (min-width:1024px){.icon-btn{display:inline-flex}}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{color:#fff;background:rgba(230,25,107,.2)}
.burger{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:40px;height:38px;border-radius:var(--r-md);background:rgba(255,255,255,.05);align-items:center;border:1px solid rgba(255,255,255,.08)}
.burger span{display:block;width:18px;height:2px;background:#E9E3F2;border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (min-width:1024px){.burger{display:none}}
.mobile-panel{
  max-width:1100px;margin:12px auto 0;padding:8px;
  background:var(--dark-2);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-lg);box-shadow:var(--sh-dock);
}
.mobile-panel a{
  display:flex;align-items:center;min-height:56px;padding:0 14px;
  font-size:17px;color:rgba(233,227,242,.86);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.mobile-panel a:last-child{border-bottom:0}
.mobile-panel a.active{color:var(--c-primary-300)}
@media (min-width:1024px){.mobile-panel{display:none!important}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(230,25,107,.28)}
.btn-primary:hover{background:var(--c-primary-700);transform:translateY(-1px);box-shadow:0 12px 26px rgba(230,25,107,.36)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(230,25,107,.28)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(230,25,107,.5)}
.btn-ghost:hover{background:rgba(230,25,107,.14);border-color:var(--c-primary)}
.btn-ghost-light{background:transparent;color:var(--light-link);border-color:rgba(179,16,82,.4)}
.btn-ghost-light:hover{background:rgba(230,25,107,.08);border-color:var(--light-link)}
.btn-dock{padding:9px 18px;font-size:14px}
.link-more{font-size:14px;font-weight:600;color:var(--light-link);border-bottom:1px solid transparent}
.link-more:hover{border-bottom-color:var(--light-link)}
.bg-dark .link-more{color:var(--c-primary-300)}
.bg-dark .link-more:hover{border-bottom-color:var(--c-primary-300)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1.6;
  background:rgba(230,25,107,.12);color:var(--c-primary-700);
}
.bg-dark .badge{color:var(--c-primary-300);background:rgba(230,25,107,.18)}
.badge-accent{background:rgba(25,211,197,.14);color:#0E8C83}
.badge-gold{background:transparent;border:1px solid rgba(255,176,32,.6);color:#B77400}
.tags{display:flex;flex-wrap:wrap;gap:10px}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(135deg,rgba(18,11,26,.78),rgba(18,11,26,.7)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.page-hero .shell{position:relative;z-index:2;padding-top:56px;padding-bottom:56px}
@media (min-width:1024px){.page-hero .shell{padding-top:88px;padding-bottom:88px}}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(233,227,242,.68);margin-bottom:20px}
.crumb a:hover{color:var(--c-primary-300)}
.crumb span.sep{color:rgba(233,227,242,.4)}
.crumb .now{color:rgba(233,227,242,.92);max-width:52vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-hero h1{
  font-size:30px;font-weight:800;letter-spacing:-.2px;line-height:1.35;margin-top:18px;max-width:900px;
}
@media (min-width:1024px){.page-hero h1{font-size:40px}}
.page-hero .hero-lead{margin-top:18px;max-width:780px;color:rgba(233,227,242,.82);font-size:17px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:14px 28px;margin-top:30px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12)}
.hero-points li{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(233,227,242,.85)}
.dot-mark{width:8px;height:8px;border-radius:50%;background:var(--c-accent);flex-shrink:0;box-shadow:0 0 10px rgba(25,211,197,.6)}

/* ============ 步骤条 ============ */
.steps{display:grid;gap:18px;grid-template-columns:1fr;margin-top:8px}
@media (min-width:768px){.steps{grid-template-columns:repeat(4,1fr);gap:20px}}
.step-card{
  position:relative;background:var(--light-card);border:1px solid var(--light-line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-light);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.step-card:hover{transform:translateY(-2px);border-color:rgba(230,25,107,.35);box-shadow:0 12px 26px rgba(28,21,38,.1)}
.step-node{display:flex;align-items:center;gap:12px}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;
  background:var(--c-primary);color:#fff;font-size:15px;font-weight:700;flex-shrink:0;
}
.step-line{flex:1;height:2px;background:linear-gradient(90deg,rgba(230,25,107,.5),rgba(230,25,107,.08));border-radius:2px}
.step-card h3{font-size:18px;font-weight:600;margin-top:16px;line-height:1.5}
.step-card p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--light-sub)}
.step-card .badge{margin-top:16px}

/* ============ 图文交替 ============ */
.split{display:grid;gap:32px;align-items:center;padding:32px 0;border-bottom:1px solid rgba(255,255,255,.07)}
.split:last-child{border-bottom:0;padding-bottom:0}
.split:first-child{padding-top:0}
@media (min-width:1024px){
  .split{grid-template-columns:1fr 1fr;gap:56px;padding:56px 0}
  .split.flip .split-media{order:2}
}
.split-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.09);box-shadow:var(--sh-dark)}
.split-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.split-media:hover img{transform:scale(1.03)}
.split-body h3{font-size:20px;font-weight:600;line-height:1.5;letter-spacing:-.2px}
@media (min-width:1024px){.split-body h3{font-size:22px}}
.split-body p{margin-top:14px;color:var(--dark-sub);font-size:16px;line-height:1.85;max-width:640px}
.check-list{margin-top:20px;display:grid;gap:12px}
.check-list li{position:relative;padding-left:22px;font-size:15px;color:rgba(233,227,242,.9);line-height:1.7}
.check-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:10px;height:10px;border-radius:3px;
  background:rgba(25,211,197,.2);border:1px solid var(--c-accent);
}

/* ============ 速览卡 ============ */
.quick-wrap{display:grid;gap:32px;align-items:start}
@media (min-width:1024px){.quick-wrap{grid-template-columns:minmax(0,1fr) 360px;gap:48px}}
.quick-card{
  background:var(--light-card);border:1px solid var(--light-line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-light);
  border-top:3px solid var(--c-primary);
}
@media (min-width:1024px){.quick-card{position:sticky;top:104px;padding:28px}}
.quick-card h3{font-size:18px;font-weight:600}
.quick-card .badge{margin-top:0}
.quick-card ul{margin-top:18px;display:grid;gap:12px}
.quick-card li{display:flex;gap:10px;font-size:15px;line-height:1.75;color:var(--light-sub)}
.quick-card li i{width:6px;height:6px;border-radius:50%;background:var(--c-primary);margin-top:11px;flex-shrink:0}
.quick-card .btn{width:100%;margin-top:22px}
.quick-note{margin-top:14px;font-size:13px;color:var(--light-sub);text-align:center}

/* ============ FAQ ============ */
.faq-list{max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--light-line);position:relative}
.faq-item:first-child{border-top:1px solid var(--light-line)}
.faq-item.is-open{border-left:3px solid var(--c-primary);padding-left:16px}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;text-align:left;font-size:17px;font-weight:600;color:var(--light-text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--light-link)}
.faq-icon{
  position:relative;flex-shrink:0;width:20px;height:20px;
  transition:transform .2s ease;color:var(--c-primary);
}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-icon::before{left:9px;top:0;width:2px;height:20px}
.faq-icon::after{top:9px;left:0;width:20px;height:2px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{display:none;padding:0 40px 22px 0;font-size:16px;line-height:1.85;color:var(--light-sub)}
.faq-item.is-open .faq-a{display:block}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);color:#fff;
  background-image:linear-gradient(135deg,rgba(230,25,107,.92),rgba(122,18,80,.94)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  padding:32px 24px;
}
@media (min-width:768px){.cta-band{padding:40px}}
@media (min-width:1024px){.cta-band{padding:48px}}
.cta-inner{display:grid;gap:28px}
@media (min-width:1024px){.cta-inner{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:48px}}
.cta-inner h2{font-size:22px;font-weight:700;line-height:1.45;letter-spacing:-.2px}
@media (min-width:1024px){.cta-inner h2{font-size:28px}}
.cta-inner p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.86);max-width:640px}
.cta-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:18px}
.cta-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.92)}
.cta-points .dot-mark{background:#fff;box-shadow:none}
.cta-btns{display:flex;flex-wrap:wrap;gap:14px}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.6);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}
.cta-foot{margin-top:24px;padding-top:18px;border-top:1px solid rgba(255,255,255,.22);font-size:13px;color:rgba(255,255,255,.78)}
.on-light .cta-band{box-shadow:0 18px 40px rgba(122,18,80,.22)}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark-bg);color:var(--dark-text);border-top:1px solid rgba(255,255,255,.07);padding:56px 0 28px}
.foot-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:640px){.foot-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.6fr 1fr 1fr 1fr}}
.foot-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--dark-sub);max-width:360px}
.foot-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.foot-col ul{display:grid;gap:11px}
.foot-col a,.foot-col li{font-size:14px;color:var(--dark-sub)}
.foot-col a:hover{color:var(--c-primary-300);text-decoration:underline;text-underline-offset:3px}
.foot-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.07);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:var(--dark-mute);
}
.foot-bottom a{color:var(--dark-sub)}
.foot-bottom a:hover{color:var(--c-primary-300)}
.site-footer .logo-text{font-size:15px}

/* roulang page: category2 */
:root{
  --c-primary:#E6196B;
  --c-primary-700:#B31052;
  --c-primary-300:#FF6FA3;
  --c-accent:#19D3C5;
  --c-accent-300:#7FE9DF;
  --c-gold:#FFB020;
  --dark-bg:#120B1A;
  --dark-2:#1B1225;
  --dark-card:#221731;
  --dark-line:rgba(255,255,255,.07);
  --dark-text:#E9E3F2;
  --dark-muted:#A99CB8;
  --dark-dim:#6E6480;
  --light-bg:#F6F3FA;
  --light-card:#FFFFFF;
  --light-line:#E7DFF2;
  --light-text:#1C1526;
  --light-muted:#6A5F7A;
  --light-link:#B31052;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-dark:0 10px 30px rgba(0,0,0,.35);
  --sh-dark-hover:0 8px 24px rgba(230,25,107,.18);
  --sh-light:0 2px 10px rgba(28,21,38,.07);
  --sh-dock:0 12px 32px rgba(0,0,0,.45);
  --shell:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--dark-text);
  background:var(--dark-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,opacity .2s ease;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.2px;line-height:1.35;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:4px;}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 20px;}

/* ===== Dock 导航 ===== */
.dock-wrap{
  position:sticky;top:0;z-index:60;
  padding:16px 16px 8px;
  transition:padding .2s ease;
}
.dock{
  max-width:1100px;margin:0 auto;
  display:flex;align-items:center;gap:24px;
  padding:10px 20px;
  border-radius:var(--r-pill);
  background:rgba(18,11,26,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--sh-dock);
  transition:padding .2s ease,box-shadow .2s ease;
}
.dock-wrap.is-scrolled{padding-top:10px;}
.dock-wrap.is-scrolled .dock{padding:7px 18px;box-shadow:0 16px 38px rgba(0,0,0,.55);}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  display:grid;grid-template-columns:repeat(3,5px);grid-template-rows:repeat(3,5px);
  gap:3px;padding:6px;border-radius:10px;
  background:rgba(230,25,107,.14);border:1px solid rgba(230,25,107,.28);
}
.logo-mark i{width:5px;height:5px;border-radius:50%;background:rgba(233,227,242,.55);}
.logo-mark i:nth-child(5){background:var(--c-primary);box-shadow:0 0 8px rgba(230,25,107,.8);}
.logo-text{
  font-size:16px;font-weight:700;color:var(--dark-text);white-space:nowrap;letter-spacing:0;
}
.logo-text em{font-style:normal;color:var(--c-primary-300);}
.dock-links{display:flex;align-items:center;gap:22px;margin-left:auto;}
.dock-links a{
  position:relative;display:inline-block;
  font-size:15px;font-weight:500;color:var(--dark-muted);
  padding:6px 4px;border-radius:var(--r-sm);
}
.dock-links a::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:0;height:2px;border-radius:2px;background:var(--c-primary);transition:width .2s ease;
}
.dock-links a:hover{color:var(--dark-text);background:rgba(255,255,255,.05);}
.dock-links a.active{color:var(--c-primary-300);background:rgba(230,25,107,.12);}
.dock-links a.active::after{width:16px;}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;
  color:var(--dark-muted);border:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.03);
}
.icon-btn svg{width:18px;height:18px;}
.icon-btn:hover{color:var(--dark-text);border-color:rgba(230,25,107,.45);background:rgba(230,25,107,.12);}
.burger{display:none;width:38px;height:38px;border-radius:12px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.03);cursor:pointer;padding:0;}
.burger span{display:block;width:16px;height:2px;margin:3px auto;border-radius:2px;background:var(--dark-text);transition:transform .2s ease,opacity .2s ease;}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}
.mobile-panel{
  max-width:1100px;margin:10px auto 0;
  background:var(--dark-2);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-dock);
}
.mobile-panel a{display:block;padding:0 20px;line-height:56px;font-size:17px;color:var(--dark-muted);border-bottom:1px solid rgba(255,255,255,.06);}
.mobile-panel a:last-child{border-bottom:0;}
.mobile-panel a.active{color:var(--c-primary-300);background:rgba(230,25,107,.1);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(230,25,107,.3);}
.btn-primary:hover{background:var(--c-primary-700);transform:translateY(-1px);box-shadow:0 10px 24px rgba(230,25,107,.4);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(230,25,107,.3);}
.btn-ghost{background:transparent;border-color:rgba(230,25,107,.4);color:var(--c-primary-300);}
.btn-ghost:hover{background:rgba(230,25,107,.12);border-color:rgba(230,25,107,.7);color:#fff;}
.btn-light{background:transparent;border-color:rgba(179,16,82,.4);color:var(--light-link);}
.btn-light:hover{background:rgba(230,25,107,.08);border-color:var(--c-primary-700);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn[disabled],.btn.is-done{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ===== 通用区块 ===== */
.section{padding:96px 0;position:relative;}
.section-tight{padding:64px 0;}
.section-dark{background:var(--dark-bg);color:var(--dark-text);}
.section-dark2{background:var(--dark-2);color:var(--dark-text);}
.section-light{background:var(--light-bg);color:var(--light-text);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.6px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(25,211,197,.12);color:var(--c-accent);
}
.section-light .eyebrow{background:rgba(179,16,82,.08);color:var(--light-link);}
.h2{font-size:28px;font-weight:700;margin-top:18px;}
.lead{margin-top:16px;font-size:17px;line-height:1.85;color:var(--dark-muted);max-width:760px;}
.section-light .lead{color:var(--light-muted);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ===== Hero ===== */
.hero{
  position:relative;
  margin-top:-8px;
  padding:88px 0 96px;
  background-image:linear-gradient(135deg,rgba(18,11,26,.72),rgba(18,11,26,.9)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--dark-line);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--dark-muted);flex-wrap:wrap;}
.crumb a:hover{color:var(--c-primary-300);}
.crumb span.sep{color:var(--dark-dim);}
.crumb .cur{color:var(--dark-text);}
.hero h1{font-size:40px;font-weight:800;margin-top:20px;}
.hero h1 em{font-style:normal;color:var(--c-primary-300);}
.hero-sub{margin-top:18px;font-size:18px;line-height:1.8;color:var(--dark-muted);max-width:600px;}
.hero-acts{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px;}
.hero-points{display:flex;gap:26px;flex-wrap:wrap;margin-top:30px;padding-top:24px;border-top:1px solid var(--dark-line);}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--dark-muted);}
.hero-points i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block;}
.hero-figure{
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(230,25,107,.2);
  box-shadow:var(--sh-dark);
  aspect-ratio:4/3;background:var(--dark-card);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px;}
.hero-stats div{background:rgba(255,255,255,.04);border:1px solid var(--dark-line);border-radius:var(--r-md);padding:14px 16px;}
.hero-stats b{display:block;font-size:22px;color:var(--c-gold);font-weight:700;letter-spacing:0;}
.hero-stats small{font-size:13px;color:var(--dark-muted);}

/* ===== 筛选标签 + 画廊 ===== */
.filter-bar{
  display:flex;gap:10px;flex-wrap:wrap;
  padding:24px 0 32px;
}
.chip{
  padding:9px 20px;border-radius:var(--r-pill);
  border:1px solid var(--light-line);background:var(--light-card);
  font-size:14px;font-weight:600;color:var(--light-muted);cursor:pointer;
  transition:all .18s ease;
}
.chip:hover{border-color:rgba(179,16,82,.4);color:var(--light-link);}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(230,25,107,.28);}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.gallery-card{
  background:var(--light-card);border:1px solid var(--light-line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-light);
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.gallery-card:hover{transform:translateY(-2px);border-color:rgba(230,25,107,.35);box-shadow:0 12px 26px rgba(28,21,38,.12);}
.gallery-card.is-hidden{display:none;}
.gc-media{display:block;position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--light-bg);}
.gc-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.gallery-card:hover .gc-media img{transform:scale(1.04);}
.gc-media::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(28,21,38,0) 45%,rgba(28,21,38,.55));
  opacity:.8;transition:opacity .3s ease;
}
.gallery-card:hover .gc-media::after{opacity:1;}
.gc-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge{
  align-self:flex-start;
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;
  background:rgba(230,25,107,.12);color:var(--light-link);
}
.badge-accent{background:rgba(25,211,197,.14);color:#0d7d76;}
.gc-body h3{font-size:18px;font-weight:600;color:var(--light-text);}
.gc-body h3 a:hover{color:var(--light-link);}
.gc-body p{font-size:15px;line-height:1.7;color:var(--light-muted);}
.gc-meta{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--light-muted);padding-top:14px;border-top:1px solid var(--light-line);}
.gc-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--light-line);}
.gallery-foot{display:flex;justify-content:center;margin-top:40px;}
.gallery-empty{
  display:none;text-align:center;padding:48px 20px;color:var(--light-muted);
  border:1px dashed var(--light-line);border-radius:var(--r-lg);background:var(--light-card);margin-top:8px;
}
.gallery-empty.is-show{display:block;}
.gallery-empty p{margin-top:10px;font-size:15px;}

/* ===== 浏览方式（暗面横向步骤条） ===== */
.ways{display:flex;flex-direction:column;gap:0;margin-top:44px;border-top:1px solid var(--dark-line);}
.way{
  display:grid;grid-template-columns:88px 1fr 1.1fr;gap:24px;align-items:center;
  padding:28px 0;border-bottom:1px solid var(--dark-line);
  transition:background-color .2s ease,padding-left .2s ease;
}
.way:hover{background:rgba(230,25,107,.05);padding-left:12px;border-radius:var(--r-md);}
.way-num{
  font-size:26px;font-weight:800;color:transparent;
  -webkit-text-stroke:1px rgba(230,25,107,.75);
  letter-spacing:1px;
}
.way h3{font-size:20px;font-weight:600;}
.way p{font-size:15px;color:var(--dark-muted);line-height:1.8;}

/* ===== 更新与可见范围（亮面双列） ===== */
.scope-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;margin-top:40px;align-items:start;}
.scope-list{background:var(--light-card);border:1px solid var(--light-line);border-radius:var(--r-lg);box-shadow:var(--sh-light);overflow:hidden;}
.scope-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:18px 22px;border-bottom:1px solid var(--light-line);font-size:15px;color:var(--light-text);
}
.scope-list li:last-child{border-bottom:0;}
.scope-list li:nth-child(odd){background:rgba(230,25,107,.025);}
.scope-list li:hover{background:rgba(230,25,107,.06);}
.scope-list i{
  flex:0 0 auto;margin-top:8px;width:8px;height:8px;border-radius:2px;
  background:var(--c-accent);
}
.scope-side h3{font-size:20px;font-weight:600;margin-bottom:14px;}
.scope-side p{font-size:16px;line-height:1.85;color:var(--light-muted);margin-bottom:16px;}
.scope-side .mini{
  display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:22px 0 24px;
}
.scope-side .mini div{
  background:var(--light-card);border:1px solid var(--light-line);border-radius:var(--r-md);
  padding:16px;box-shadow:var(--sh-light);
}
.scope-side .mini b{display:block;font-size:20px;color:var(--light-link);font-weight:700;letter-spacing:0;}
.scope-side .mini span{font-size:13px;color:var(--light-muted);}

/* ===== FAQ ===== */
.faq-wrap{max-width:840px;margin:40px auto 0;}
.faq-item{border-bottom:1px solid var(--light-line);position:relative;padding-left:0;transition:padding-left .2s ease;}
.faq-item:first-child{border-top:1px solid var(--light-line);}
.faq-q{
  width:100%;background:none;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:17px;font-weight:600;color:var(--light-text);line-height:1.6;
}
.faq-q:hover{color:var(--light-link);}
.faq-q .sign{
  flex:0 0 auto;position:relative;width:20px;height:20px;
  transition:transform .2s ease;
}
.faq-q .sign::before,.faq-q .sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--light-link);border-radius:2px;
}
.faq-q .sign::before{width:14px;height:2px;transform:translate(-50%,-50%);}
.faq-q .sign::after{width:2px;height:14px;transform:translate(-50%,-50%);}
.faq-item.is-open .sign{transform:rotate(45deg);}
.faq-a{display:none;padding:0 0 24px;font-size:16px;line-height:1.85;color:var(--light-muted);max-width:780px;}
.faq-item.is-open{padding-left:14px;}
.faq-item.is-open::before{content:"";position:absolute;left:0;top:22px;bottom:24px;width:3px;border-radius:3px;background:var(--c-primary);}
.faq-item.is-open .faq-a{display:block;}

/* ===== CTA ===== */
.cta{
  position:relative;overflow:hidden;
  background-image:linear-gradient(135deg,rgba(18,11,26,.78),rgba(18,11,26,.92)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cta-inner{
  display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;
  border-radius:var(--r-lg);padding:48px;
  background:linear-gradient(135deg,rgba(230,25,107,.95),rgba(122,18,80,.92));
  box-shadow:var(--sh-dark);
}
.cta-inner h2{font-size:28px;font-weight:700;color:#fff;}
.cta-inner .cta-points{display:flex;gap:22px;flex-wrap:wrap;margin-top:18px;}
.cta-inner .cta-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.88);}
.cta-inner .cta-points i{width:6px;height:6px;border-radius:50%;background:var(--c-gold);display:inline-block;}
.cta-acts{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;}
.cta .btn-primary{background:#fff;color:var(--c-primary-700);box-shadow:0 8px 20px rgba(0,0,0,.24);}
.cta .btn-primary:hover{background:#FFE9F1;color:var(--c-primary-700);}
.cta .btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;}
.cta .btn-ghost:hover{background:rgba(255,255,255,.16);border-color:#fff;}
.cta-note{margin-top:18px;font-size:13px;color:var(--dark-muted);}

/* ===== 页脚 ===== */
.site-footer{background:var(--dark-bg);border-top:1px solid var(--dark-line);padding:64px 0 32px;color:var(--dark-muted);}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.foot-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:var(--dark-muted);max-width:340px;}
.foot-col h3{font-size:15px;font-weight:600;color:var(--dark-text);margin-bottom:16px;}
.foot-col ul{display:flex;flex-direction:column;gap:12px;}
.foot-col a,.foot-col li{font-size:14px;color:var(--dark-muted);}
.foot-col a:hover{color:var(--c-primary-300);text-decoration:underline;text-underline-offset:3px;}
.foot-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid var(--dark-line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--dark-dim);
}
.foot-bottom a{color:var(--dark-muted);}
.foot-bottom a:hover{color:var(--c-primary-300);}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .gallery{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1023px){
  .section{padding:64px 0;}
  .dock-links{display:none;}
  .burger{display:block;}
  .dock{gap:12px;padding:9px 16px;}
  .hero{padding:64px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:32px;}
  .hero-sub{font-size:17px;}
  .gallery{grid-template-columns:repeat(2,1fr);}
  .way{grid-template-columns:64px 1fr;gap:16px;}
  .way p{grid-column:2;}
  .scope-grid{grid-template-columns:1fr;gap:32px;}
  .cta-inner{grid-template-columns:1fr;padding:36px;}
  .cta-acts{justify-content:flex-start;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:48px 0;}
  .section-tight{padding:40px 0;}
  .h2{font-size:24px;}
  .hero h1{font-size:30px;}
  .hero-stats{grid-template-columns:1fr;gap:10px;}
  .gallery{grid-template-columns:1fr;gap:20px;}
  .hero-points{gap:16px;}
  .faq-q{font-size:16px;padding:18px 0;}
  .faq-a{font-size:15px;padding-bottom:20px;}
  .scope-side .mini{grid-template-columns:1fr 1fr;}
  .cta-inner{padding:28px 22px;}
  .cta-inner h2{font-size:23px;}
  .cta-acts{flex-direction:column;align-items:stretch;}
  .cta-acts .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:519px){
  .shell{padding:0 16px;}
  .logo-text{font-size:14px;}
  .btn{padding:12px 20px;}
  .hero h1{font-size:27px;}
  .filter-bar{gap:8px;padding:18px 0 24px;}
  .chip{padding:8px 16px;font-size:13px;}
}

/* roulang page: category4 */
:root{
  --c-primary:#E6196B;
  --c-primary-700:#B31052;
  --c-primary-300:#FF6FA3;
  --c-accent:#19D3C5;
  --c-accent-300:#7FE9DF;
  --c-gold:#FFB020;
  --ink-950:#120B1A;
  --ink-900:#1B1225;
  --ink-850:#221731;
  --ink-line:rgba(255,255,255,.07);
  --ink-text:#E9E3F2;
  --ink-muted:#A99CB8;
  --ink-disabled:#6E6480;
  --lt-bg:#F6F3FA;
  --lt-bg-2:#EFE9F7;
  --lt-card:#FFFFFF;
  --lt-line:#E7DFF2;
  --lt-text:#1C1526;
  --lt-muted:#6A5F7A;
  --lt-link:#B31052;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-full:999px;
  --sh-dark:0 10px 30px rgba(0,0,0,.35);
  --sh-lt:0 2px 10px rgba(28,21,38,.07);
  --sh-dock:0 12px 32px rgba(0,0,0,.45);
  --shell:1200px;
  --gap:16px;
  --sec-y:48px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--lt-text);
  background:var(--lt-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.2px;line-height:1.32;}
h1{font-size:30px;font-weight:800;}
h2{font-size:24px;font-weight:700;}
h3{font-size:18px;font-weight:600;}
h4{font-size:16px;font-weight:600;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.shell{max-width:var(--shell);margin:0 auto;padding:0 20px;}
.section{padding:var(--sec-y) 0;}
.section-head{max-width:780px;margin-bottom:24px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--c-primary-700);background:rgba(230,25,107,.1);
  border-radius:var(--r-full);padding:5px 12px;margin-bottom:14px;
}
.section-head p{color:var(--lt-muted);font-size:16px;margin-top:12px;}
@media (min-width:640px){
  .shell{padding:0 24px;}
  .section{padding:64px 0;}
  h1{font-size:34px;}
  h2{font-size:26px;}
}
@media (min-width:1024px){
  .shell{padding:0 32px;}
  .section{padding:96px 0;}
  body{font-size:17px;}
  h1{font-size:40px;}
  h2{font-size:28px;}
  h3{font-size:20px;}
}

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:sticky;top:16px;z-index:80;padding:16px 20px 0;}
.dock{
  max-width:1100px;margin:0 auto;display:flex;align-items:center;gap:18px;
  padding:10px 20px;border-radius:var(--r-full);
  background:rgba(18,11,26,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--sh-dock);
  transition:padding .2s ease, box-shadow .2s ease;
}
.dock-wrap.is-scrolled .dock{padding-top:6px;padding-bottom:6px;box-shadow:0 16px 40px rgba(0,0,0,.55);}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:#fff;}
.logo-mark{display:grid;grid-template-columns:repeat(3,4px);grid-auto-rows:4px;gap:3px;flex:0 0 auto;}
.logo-mark i{display:block;width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.34);}
.logo-mark i:nth-child(5){background:var(--c-primary);box-shadow:0 0 8px rgba(230,25,107,.85);}
.logo-text{font-size:16px;font-weight:700;letter-spacing:-.2px;white-space:nowrap;}
.logo-text em{font-style:normal;color:var(--c-primary-300);}
.dock-links{display:none;align-items:center;gap:22px;margin:0 auto;}
.dock-links a{
  position:relative;display:inline-block;font-size:15px;font-weight:500;
  color:rgba(233,227,242,.8);padding:8px 10px;border-radius:var(--r-full);
  transition:color .18s ease,background-color .18s ease;
}
.dock-links a:hover{color:#fff;background:rgba(255,255,255,.06);}
.dock-links a.active{color:var(--c-primary-300);background:rgba(230,25,107,.12);}
.dock-links a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:2px;width:16px;height:2px;border-radius:2px;background:var(--c-primary);
}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:var(--r-full);color:var(--ink-text);
  border:1px solid rgba(255,255,255,.12);transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.icon-btn svg{width:18px;height:18px;}
.icon-btn:hover{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.22);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-full);padding:12px 24px;font-size:16px;font-weight:600;
  line-height:1.2;border:1px solid transparent;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(230,25,107,.28);}
.btn-primary:hover{background:var(--c-primary-700);transform:translateY(-1px);box-shadow:0 10px 24px rgba(230,25,107,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-primary-700);border-color:rgba(230,25,107,.4);}
.btn-ghost:hover{background:rgba(230,25,107,.08);}
.btn-on-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.42);}
.btn-on-dark:hover{background:rgba(255,255,255,.12);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-dock{padding:9px 18px;font-size:14px;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;}
.burger{
  display:inline-flex;flex-direction:column;justify-content:center;gap:4px;
  width:38px;height:38px;padding:0 9px;border-radius:var(--r-full);
  border:1px solid rgba(255,255,255,.12);
}
.burger span{display:block;height:2px;border-radius:2px;background:var(--ink-text);transition:transform .2s ease,opacity .2s ease;}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-panel{
  display:none;max-width:1100px;margin:12px auto 0;
  background:var(--ink-900);border:1px solid var(--ink-line);border-radius:var(--r-lg);
  padding:6px 14px;box-shadow:0 18px 40px rgba(0,0,0,.45);
}
.mobile-panel:not([hidden]){display:block;}
.mobile-panel a{display:block;line-height:56px;font-size:17px;color:var(--ink-text);border-bottom:1px solid var(--ink-line);}
.mobile-panel a:last-child{border-bottom:0;}
.mobile-panel a.active{color:var(--c-primary-300);}
@media (min-width:1024px){
  .dock-links{display:flex;}
  .burger{display:none;}
  .mobile-panel{display:none !important;}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:36px 0 48px;
  background:
    radial-gradient(900px 420px at 12% -12%, rgba(230,25,107,.12), transparent 62%),
    radial-gradient(760px 400px at 88% -6%, rgba(25,211,197,.14), transparent 64%),
    linear-gradient(180deg,var(--lt-bg),var(--lt-bg-2));
  border-bottom:1px solid var(--lt-line);
}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--lt-muted);margin-bottom:22px;flex-wrap:wrap;}
.crumb a:hover{color:var(--c-primary-700);}
.crumb .sep{color:#C6BAD8;}
.crumb .now{max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.hero-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:start;}
.hero h1{margin-bottom:18px;}
.hero h1 .hl{
  background:linear-gradient(180deg,transparent 62%,rgba(230,25,107,.22) 62%);
  padding:0 2px;
}
.hero-lead{max-width:780px;color:var(--lt-muted);font-size:16px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;padding:6px 12px;border-radius:var(--r-full);
  background:rgba(230,25,107,.1);color:var(--c-primary-700);
}
.tag.accent{background:rgba(25,211,197,.14);color:#0E8E85;}
.search-shell{
  width:100%;max-width:560px;margin-top:26px;
  display:flex;align-items:center;gap:12px;
  background:var(--lt-card);border:1px solid var(--lt-line);
  border-radius:var(--r-full);padding:8px 8px 8px 20px;
  box-shadow:var(--sh-lt);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-shell:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(25,211,197,.35);}
.search-shell svg{width:20px;height:20px;flex:0 0 auto;color:var(--lt-muted);}
.search-shell input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;
  font-size:16px;line-height:1.6;padding:8px 0;color:var(--lt-text);
}
.search-shell input:focus{outline:none;}
.search-shell input::placeholder{color:#9C90AE;}
.hero-aside{
  background:var(--lt-card);border:1px solid var(--lt-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-lt);
}
.hero-aside h2{font-size:17px;font-weight:600;margin-bottom:14px;}
.hero-aside ul{display:flex;flex-direction:column;gap:12px;}
.hero-aside li{display:flex;gap:10px;font-size:15px;color:var(--lt-muted);line-height:1.7;}
.dot{flex:0 0 6px;width:6px;height:6px;border-radius:50%;background:var(--c-primary);margin-top:11px;}
@media (min-width:640px){.hero{padding:48px 0 64px;}}
@media (min-width:1024px){
  .hero{padding:64px 0 88px;}
  .hero-grid{grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:48px;}
  .hero-lead{font-size:17px;}
}

/* ---------- 快捷速览 ---------- */
.quick-grid{display:grid;grid-template-columns:1fr;gap:20px;}
.quick-card{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--lt-card);border:1px solid var(--lt-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-lt);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.quick-card:hover{transform:translateY(-2px);border-color:rgba(230,25,107,.35);box-shadow:0 10px 26px rgba(28,21,38,.1);}
.quick-num{
  flex:0 0 auto;width:34px;height:34px;border-radius:var(--r-md);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:var(--c-primary);background:rgba(230,25,107,.1);
}
.quick-card h3{font-size:17px;margin-bottom:8px;}
.quick-card p{font-size:14px;color:var(--lt-muted);line-height:1.75;margin-bottom:10px;}
.link-arrow{font-size:14px;font-weight:600;color:var(--lt-link);}
.link-arrow:hover{text-decoration:underline;text-underline-offset:3px;}
@media (min-width:640px){.quick-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.quick-grid{grid-template-columns:repeat(4,1fr);}}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.faq-group{margin-bottom:40px;}
.faq-group:last-child{margin-bottom:0;}
.group-head{display:flex;align-items:center;gap:12px;margin-bottom:6px;}
.group-badge{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:30px;height:30px;padding:0 8px;border-radius:var(--r-sm);
  font-size:13px;font-weight:700;color:#fff;background:var(--c-primary);
}
.group-head h3{font-size:19px;}
.group-desc{font-size:14px;color:var(--lt-muted);margin:0 0 10px 42px;}
.faq-item{position:relative;border-bottom:1px solid var(--lt-line);padding-left:18px;}
.faq-item::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;
  background:transparent;transition:background .2s ease;
}
.faq-item.is-open::before{background:var(--c-primary);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  text-align:left;padding:16px 0;font-size:17px;font-weight:600;color:var(--lt-text);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--c-primary-700);}
.faq-ico{position:relative;flex:0 0 20px;height:20px;margin-top:5px;transition:transform .2s ease;}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;background:currentColor;border-radius:2px;}
.faq-ico::before{left:0;top:9px;width:20px;height:2px;}
.faq-ico::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.is-open .faq-ico{transform:rotate(45deg);color:var(--c-primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a-inner{padding:0 0 20px;max-width:740px;font-size:16px;color:var(--lt-muted);}
.faq-a-inner p{margin-bottom:.9em;}
.faq-empty{
  display:none;padding:28px 24px;border:1px dashed var(--lt-line);border-radius:var(--r-lg);
  background:var(--lt-card);text-align:center;color:var(--lt-muted);font-size:15px;
}
.faq-empty.show{display:block;}
@media (max-width:767px){
  .faq-q{font-size:16px;padding:14px 0;}
  .faq-a-inner{font-size:15px;}
  .group-desc{margin-left:0;}
}

/* ---------- 图文排查 ---------- */
.diag{background:var(--lt-bg-2);border-top:1px solid var(--lt-line);border-bottom:1px solid var(--lt-line);}
.diag-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
.diag-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--lt-line);box-shadow:var(--sh-lt);}
.diag-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.diag-media .veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,11,26,.12),rgba(18,11,26,.62));
}
.diag-media .cap{
  position:absolute;left:20px;right:20px;bottom:18px;color:#fff;
  font-size:14px;font-weight:600;letter-spacing:.02em;
}
.steps{display:flex;flex-direction:column;gap:18px;margin-top:22px;}
.step{display:flex;gap:14px;align-items:flex-start;}
.step-num{
  flex:0 0 28px;width:28px;height:28px;border-radius:var(--r-full);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:var(--c-primary-700);background:rgba(230,25,107,.12);
  border:1px solid rgba(230,25,107,.3);
}
.step h4{margin-bottom:4px;}
.step p{font-size:15px;color:var(--lt-muted);margin:0;}
@media (min-width:1024px){
  .diag-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;}
  .diag-grid.reverse .diag-media{order:2;}
}

/* ---------- 联系入口卡 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr;gap:20px;}
.contact-card{
  background:var(--lt-card);border:1px solid var(--lt-line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-lt);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.contact-card:hover{transform:translateY(-2px);border-color:rgba(25,211,197,.45);box-shadow:0 10px 26px rgba(28,21,38,.1);}
.contact-ico{
  width:44px;height:44px;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;
  background:rgba(25,211,197,.14);color:#0E8E85;margin-bottom:16px;
}
.contact-ico svg{width:22px;height:22px;}
.contact-card h3{margin-bottom:8px;}
.contact-card p{font-size:15px;color:var(--lt-muted);}
.contact-card .meta{font-size:13px;color:var(--lt-muted);margin-top:14px;}
@media (min-width:768px){.contact-grid{grid-template-columns:1fr 1fr;}}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:var(--r-lg);overflow:hidden;color:#fff;
  background-image:
    linear-gradient(135deg,rgba(230,25,107,.94),rgba(122,18,80,.94)),
    url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  padding:36px 24px;
}
.cta-grid{display:grid;grid-template-columns:1fr;gap:26px;align-items:center;}
.cta-band h2{color:#fff;font-size:24px;margin-bottom:12px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}
.cta-points span{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-full);padding:6px 12px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-note{margin-top:18px;font-size:13px;color:rgba(255,255,255,.78);}
@media (min-width:1024px){
  .cta-band{padding:44px 48px;}
  .cta-grid{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:40px;}
  .cta-actions{justify-content:flex-end;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-950);color:var(--ink-text);
  border-top:1px solid var(--ink-line);padding:56px 0 28px;margin-top:0;
}
.foot-grid{display:grid;grid-template-columns:1fr;gap:32px;}
.foot-brand .logo{margin-bottom:16px;}
.foot-brand p{color:var(--ink-muted);font-size:15px;line-height:1.8;max-width:380px;}
.foot-col h3{font-size:16px;color:#fff;font-weight:600;margin-bottom:14px;}
.foot-col ul{display:flex;flex-direction:column;gap:10px;}
.foot-col li,.foot-col a{color:var(--ink-muted);font-size:15px;}
.foot-col a{transition:color .18s ease;}
.foot-col a:hover{color:var(--c-primary-300);text-decoration:underline;text-underline-offset:3px;}
.foot-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--ink-line);
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;
  color:var(--ink-disabled);font-size:14px;
}
.foot-bottom a{color:var(--ink-muted);}
.foot-bottom a:hover{color:var(--c-primary-300);}
@media (min-width:640px){.foot-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){
  .site-footer{padding:72px 0 32px;}
  .foot-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;}
}

/* roulang page: category3 */
:root{
  --c-primary:#E6196B;
  --c-primary-700:#B31052;
  --c-primary-300:#FF6FA3;
  --c-accent:#19D3C5;
  --c-accent-300:#7FE9DF;
  --c-gold:#FFB020;
  --d-bg:#120B1A;
  --d-surface:#1B1225;
  --d-card:#221731;
  --d-line:rgba(255,255,255,.07);
  --d-text:#E9E3F2;
  --d-muted:#A99CB8;
  --d-dim:#6E6480;
  --l-bg:#F6F3FA;
  --l-card:#FFFFFF;
  --l-line:#E7DFF2;
  --l-text:#1C1526;
  --l-muted:#6A5F7A;
  --l-link:#B31052;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-dark:0 10px 30px rgba(0,0,0,.35);
  --sh-light:0 2px 10px rgba(28,21,38,.07);
  --sh-dock:0 12px 32px rgba(0,0,0,.45);
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','Hiragino Sans GB','Noto Sans SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:0;
  background:var(--d-bg);
  color:var(--d-text);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,opacity .18s ease}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:640px){.shell{padding:0 24px}}
@media(min-width:1024px){.shell{padding:0 32px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);padding:12px 24px;font-size:15px;font-weight:600;
  white-space:nowrap;transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(230,25,107,.28)}
.btn-primary:hover{background:var(--c-primary-700);transform:translateY(-1px);box-shadow:0 12px 28px rgba(230,25,107,.38)}
.btn-primary:active{transform:translateY(0)}
.btn-primary:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.btn-ghost-line{border:1px solid rgba(230,25,107,.45);color:var(--c-primary-300);background:transparent}
.btn-ghost-line:hover{background:rgba(230,25,107,.12);border-color:var(--c-primary-300)}
.btn-ghost-line:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.btn-sm{padding:9px 18px;font-size:14px}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:var(--r-pill);
  padding:4px 12px;font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-cat{background:rgba(230,25,107,.12);color:var(--c-primary-300)}
.badge-cat-lite{background:rgba(230,25,107,.1);color:var(--c-primary-700)}
.badge-state{background:rgba(25,211,197,.12);color:var(--c-accent)}
.badge-tier{background:transparent;border:1px solid var(--c-gold);color:var(--c-gold)}
.badge-hot{background:var(--c-primary);color:#fff;font-size:11px;padding:3px 10px}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{position:sticky;top:16px;z-index:60;padding:0 16px}
.dock{
  max-width:1100px;margin:0 auto;display:flex;align-items:center;gap:22px;
  padding:10px 20px;border-radius:var(--r-pill);
  background:rgba(18,11,26,.86);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--sh-dock);
  transition:padding .2s ease,box-shadow .2s ease;
}
.dock.is-scrolled{padding:7px 20px;box-shadow:0 16px 40px rgba(0,0,0,.58)}
.logo{display:inline-flex;align-items:center;gap:10px;height:34px;flex:0 0 auto;color:#fff}
.logo-mark{width:20px;height:20px;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:2px}
.logo-mark i{display:block;width:100%;height:100%;border-radius:50%;background:rgba(233,227,242,.3)}
.logo-mark i:nth-child(1){background:rgba(25,211,197,.55)}
.logo-mark i:nth-child(5){background:var(--c-primary)}
.logo-mark i:nth-child(9){background:rgba(255,176,32,.7)}
.logo-text{font-size:16px;font-weight:700;letter-spacing:-.2px;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--c-primary-300);text-transform:lowercase}
.dock-links{display:flex;align-items:center;gap:22px;margin-left:auto}
.dock-links a{
  position:relative;display:inline-block;padding:6px 10px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--d-muted);
}
.dock-links a:hover{color:#fff;background:rgba(255,255,255,.05)}
.dock-links a.active{color:var(--c-primary-300);background:rgba(230,25,107,.12)}
.dock-links a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:0;
  width:16px;height:2px;border-radius:2px;background:var(--c-primary);
}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.dock-links + .dock-actions{margin-left:0}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.1);color:var(--d-muted);
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{color:#fff;border-color:rgba(230,25,107,.5);background:rgba(230,25,107,.12)}
.icon-btn:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.burger{display:none;width:38px;height:38px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.1);flex-direction:column;align-items:center;justify-content:center;gap:4px}
.burger span{display:block;width:16px;height:2px;border-radius:2px;background:var(--d-text);transition:transform .2s ease,opacity .2s ease}
.mobile-panel{
  max-width:1100px;margin:12px auto 0;padding:6px;border-radius:var(--r-lg);
  background:var(--d-surface);border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--sh-dock);overflow:hidden;
}
.mobile-panel a{
  display:block;padding:16px 18px;font-size:17px;color:var(--d-text);
  border-bottom:1px solid rgba(255,255,255,.06);border-radius:var(--r-md);
}
.mobile-panel a:last-child{border-bottom:0}
.mobile-panel a:hover{background:rgba(255,255,255,.04)}
.mobile-panel a.active{color:var(--c-primary-300);background:rgba(230,25,107,.12)}

/* ---------- 通用板块 ---------- */
.section-lite{padding:var(--sec-y) 0;background:var(--l-bg);color:var(--l-text)}
.section-dark{padding:var(--sec-y) 0;background:var(--d-bg);color:var(--d-text)}
.section-dark.alt{background:var(--d-surface)}
.sec-head{max-width:780px;margin-bottom:40px}
.sec-head h2{font-size:28px;font-weight:700;margin-bottom:14px}
.sec-head p{font-size:16px;color:var(--l-muted)}
.section-dark .sec-head p{color:var(--d-muted)}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;margin-bottom:18px;padding:5px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;letter-spacing:.08em;
  background:rgba(230,25,107,.14);color:var(--c-primary-300);
}
.eyebrow-lite{background:rgba(230,25,107,.1);color:var(--c-primary-700)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--d-bg);padding:68px 0 96px}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
}
.hero::after{content:"";position:absolute;inset:0;background:rgba(18,11,26,.68)}
.hero .shell{position:relative;z-index:1}
.hero-inner{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:start}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--d-muted);margin-bottom:22px}
.crumb a:hover{color:var(--c-primary-300)}
.crumb span{color:var(--d-dim)}
.hero h1{font-size:40px;font-weight:800;margin-bottom:20px;max-width:720px}
.hero-sub{font-size:17px;color:var(--d-muted);max-width:600px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-points{display:flex;flex-wrap:wrap;gap:22px}
.hero-points li{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--d-muted)}
.hero-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-accent);flex:0 0 7px}

/* ---------- 等级阶梯卡 ---------- */
.ladder-card{
  background:var(--d-card);border:1px solid var(--d-line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-dark);
}
.ladder-title{font-size:18px;font-weight:600;margin-bottom:6px}
.ladder-hint{font-size:13px;color:var(--d-muted);margin-bottom:22px}
.ladder-row{display:grid;grid-template-columns:72px 1fr 88px;align-items:center;gap:14px;margin-bottom:16px}
.ladder-row:last-child{margin-bottom:0}
.ladder-name{font-size:14px;font-weight:600;color:var(--d-text)}
.ladder-bar{position:relative;height:12px;border-radius:var(--r-pill);background:rgba(255,255,255,.07);overflow:hidden}
.ladder-bar span{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,#E6196B,#7A1250)}
.ladder-row.top .ladder-bar span{background:linear-gradient(90deg,#E6196B,#FFB020)}
.ladder-note{font-size:13px;color:var(--d-muted);text-align:right}
.ladder-foot{margin-top:22px;padding-top:18px;border-top:1px solid var(--d-line);font-size:13px;color:var(--d-dim)}

/* ---------- 对比表 ---------- */
.table-wrap{
  background:var(--l-card);border:1px solid var(--l-line);border-radius:var(--r-lg);
  overflow:auto;box-shadow:var(--sh-light);
}
.cmp-table{min-width:640px;font-size:15px}
.cmp-table thead th{
  position:sticky;top:0;z-index:2;background:#fff;
  padding:20px 18px;font-size:14px;font-weight:600;color:var(--l-muted);
  text-align:left;border-bottom:1px solid var(--l-line);white-space:nowrap;
}
.cmp-table thead th.col-hot{color:var(--c-primary-700)}
.cmp-table thead th.col-hot .badge-hot{margin-left:8px}
.cmp-table tbody tr{border-bottom:1px solid var(--l-line)}
.cmp-table tbody tr:last-child{border-bottom:0}
.cmp-table tbody tr:nth-child(odd){background:rgba(28,21,38,.03)}
.cmp-table tbody tr:hover{background:rgba(230,25,107,.05)}
.cmp-table tr.grp{background:transparent !important}
.cmp-table tr.grp td{
  padding:22px 18px 8px;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--l-muted);text-transform:none;
}
.cmp-table td{padding:16px 18px;vertical-align:middle;color:var(--l-text)}
.cmp-table td.rowhead{font-weight:600;color:var(--l-text);width:22%}
.cmp-table td.col-hot{background:rgba(230,25,107,.06);border-top:3px solid var(--c-primary);border-top-color:var(--c-primary)}
.cmp-table thead th.col-hot{box-shadow:inset 0 3px 0 var(--c-primary)}
.ic{display:inline-flex;align-items:center;gap:8px;font-size:14px}
.ic-y::before{
  content:"";width:16px;height:16px;flex:0 0 16px;border-radius:50%;
  background:rgba(25,211,197,.16);
  background-image:linear-gradient(135deg,rgba(25,211,197,.3),rgba(25,211,197,.12));
}
.ic-y{color:#0F8F86;font-weight:600}
.ic-n{color:#B7AEC4}
.ic-n::before{
  content:"";width:16px;height:2px;flex:0 0 16px;border-radius:2px;
  background:#CFC6DB;
}

/* ---------- 等级卡 ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tier-card{
  display:flex;flex-direction:column;background:var(--d-card);
  border:1px solid var(--d-line);border-radius:var(--r-lg);
  overflow:hidden;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.tier-card:hover{transform:translateY(-2px);border-color:rgba(230,25,107,.35);box-shadow:var(--sh-dark),0 8px 24px rgba(230,25,107,.18)}
.tier-cover{position:relative;aspect-ratio:16/9;overflow:hidden}
.tier-cover img{width:100%;height:100%;object-fit:cover}
.tier-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,11,26,.1),rgba(18,11,26,.72))}
.tier-cover .badge-tier{position:absolute;left:16px;top:16px;z-index:2;background:rgba(18,11,26,.6)}
.tier-body{padding:24px;display:flex;flex-direction:column;flex:1}
.tier-body h3{font-size:20px;font-weight:600;margin-bottom:10px}
.tier-body > p{font-size:14px;color:var(--d-muted);margin-bottom:18px}
.tier-list{margin-bottom:22px}
.tier-list li{position:relative;padding-left:16px;font-size:14px;color:var(--d-muted);margin-bottom:10px;line-height:1.75}
.tier-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.tier-link{margin-top:auto;font-size:14px;font-weight:600;color:var(--c-primary-300)}
.tier-link:hover{color:#fff}
.tier-card.featured{border-color:rgba(230,25,107,.55);box-shadow:0 10px 30px rgba(230,25,107,.2)}

/* ---------- 说明长文 ---------- */
.note-wrap{max-width:780px}
.note-wrap h2{font-size:28px;font-weight:700;margin-bottom:14px}
.note-wrap h3{font-size:20px;font-weight:600;margin-top:34px;margin-bottom:12px}
.note-wrap p{font-size:16px;color:var(--d-muted);margin-bottom:16px}
.note-wrap blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--c-primary);
  background:rgba(230,25,107,.06);border-radius:0 var(--r-md) var(--r-md) 0;
  font-size:15px;color:var(--d-text);
}
.note-figure{margin:28px 0;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--d-line)}
.note-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.note-figure figcaption{padding:12px 16px;font-size:13px;color:var(--d-dim);background:var(--d-card)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--l-line)}
.faq-item:first-child{border-top:1px solid var(--l-line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:17px;font-weight:600;text-align:left;color:var(--l-text);
  position:relative;transition:color .2s ease,padding-left .2s ease;
}
.faq-q:hover{color:var(--c-primary-700)}
.faq-q:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:var(--r-sm)}
.faq-item.open .faq-q{color:var(--c-primary-700);padding-left:16px}
.faq-item.open .faq-q::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:2px;background:var(--c-primary);
}
.plus{position:relative;width:18px;height:18px;flex:0 0 18px;transition:transform .2s ease}
.plus::before,.plus::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.plus::before{left:0;top:8px;width:18px;height:2px}
.plus::after{top:0;left:8px;width:2px;height:18px}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-item.open .faq-a{max-height:420px}
.faq-a p{padding:0 0 22px;font-size:16px;color:var(--l-muted);max-width:760px}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--d-bg);padding:var(--sec-y) 0}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(230,25,107,.88) 0%,rgba(122,18,80,.9) 100%);
}
.cta-band .shell{position:relative;z-index:1}
.cta-inner{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center}
.cta-inner h2{font-size:28px;font-weight:700;margin-bottom:18px}
.cta-list{display:flex;flex-wrap:wrap;gap:22px;margin-bottom:0}
.cta-list li{display:flex;align-items:center;gap:9px;font-size:15px;color:rgba(255,255,255,.86)}
.cta-list li::before{content:"";width:7px;height:7px;border-radius:50%;background:#fff;flex:0 0 7px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-actions .btn-primary{background:#fff;color:var(--c-primary-700);box-shadow:0 10px 26px rgba(0,0,0,.24)}
.cta-actions .btn-primary:hover{background:#FFE3EE;color:var(--c-primary-700)}
.cta-actions .btn-ghost-line{border-color:rgba(255,255,255,.6);color:#fff}
.cta-actions .btn-ghost-line:hover{background:rgba(255,255,255,.14);border-color:#fff}
.cta-note{position:relative;z-index:1;margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.24);font-size:13px;color:rgba(255,255,255,.78)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--d-bg);border-top:1px solid var(--d-line);padding:72px 0 32px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.foot-brand .logo{margin-bottom:18px}
.foot-brand p{font-size:14px;color:var(--d-muted);max-width:340px}
.foot-col h3{font-size:15px;font-weight:600;color:var(--d-text);margin-bottom:16px}
.foot-col ul li{margin-bottom:10px}
.foot-col ul a,.foot-col ul li{font-size:14px;color:var(--d-muted)}
.foot-col ul a:hover{color:var(--c-primary-300);text-decoration:underline;text-underline-offset:3px}
.foot-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--d-line);
  display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;
  font-size:13px;color:var(--d-dim);
}
.foot-bottom a{color:var(--d-muted)}
.foot-bottom a:hover{color:var(--c-primary-300)}

/* ---------- 响应式 ---------- */
@media(max-width:1279px){
  .hero h1{font-size:34px}
}
@media(max-width:1023px){
  :root{--sec-y:64px}
  .dock-links{display:none}
  .burger{display:flex}
  .dock-actions{margin-left:auto}
  .hero{padding:48px 0 64px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:32px}
  .tier-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr;gap:26px}
  .cta-actions{justify-content:flex-start}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .note-wrap h2{font-size:24px}
  .sec-head h2{font-size:24px}
}
@media(max-width:767px){
  .cmp-table{min-width:0;display:block}
  .cmp-table thead{display:none}
  .cmp-table tbody,.cmp-table tr,.cmp-table td{display:block;width:100%}
  .cmp-table tbody tr{
    border:1px solid var(--l-line);border-radius:var(--r-md);
    padding:4px 16px 12px;margin-bottom:14px;background:#fff !important;
  }
  .cmp-table tbody tr:hover{background:#fff !important}
  .cmp-table tr.grp{border:0;padding:0;margin:22px 0 10px;background:transparent !important}
  .cmp-table tr.grp td{padding:0 0 6px;font-size:13px;font-weight:700;color:var(--l-muted)}
  .cmp-table td{padding:0}
  .cmp-table td.rowhead{
    width:auto;padding:12px 0 8px;font-size:16px;font-weight:600;
    border-bottom:1px solid var(--l-line);
  }
  .cmp-table td.col-hot{background:transparent;border-top:0}
  .cmp-table td.cell{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:10px 0;border-bottom:1px dashed rgba(28,21,38,.1);
  }
  .cmp-table td.cell:last-child{border-bottom:0}
  .cmp-table td.cell::before{
    content:attr(data-label);font-size:13px;font-weight:500;color:var(--l-muted);
  }
}
@media(max-width:639px){
  :root{--sec-y:48px}
  body{font-size:16px}
  .dock-wrap{padding:0 12px;top:12px}
  .dock{padding:9px 14px;gap:12px}
  .logo-text{font-size:14px}
  .btn-dock{padding:8px 14px;font-size:13px}
  .icon-btn{display:none}
  .hero{padding:40px 0 52px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{flex:1 1 100%}
  .ladder-row{grid-template-columns:64px 1fr}
  .ladder-note{display:none}
  .ladder-card{padding:22px}
  .tier-grid{grid-template-columns:1fr}
  .faq-q{font-size:16px;padding:18px 0}
  .faq-a p{font-size:15px}
  .cta-inner h2{font-size:24px}
  .cta-actions .btn{flex:1 1 100%}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;gap:10px}
}