/* roulang page: index */
:root{
  --ink:#1B1730;
  --ink-2:#2E2650;
  --stardust:#E9B75A;
  --stardust-soft:#F6E3BE;
  --aurora:#7FD8C4;
  --bg:#F7F5F1;
  --card:#FFFFFF;
  --line:#E6E2DA;
  --text:#252134;
  --muted:#6B6785;
  --r-card:16px;
  --r-lg:24px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(27,23,48,.04), 0 8px 24px -12px rgba(27,23,48,.14);
  --sh-2:0 2px 6px rgba(27,23,48,.07), 0 20px 44px -20px rgba(27,23,48,.26);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease)}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{font-weight:700;letter-spacing:.01em;line-height:1.3;color:var(--ink);margin:0}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--aurora);outline-offset:2px;border-radius:6px}
.container{padding-left:16px;padding-right:16px;margin-left:auto;margin-right:auto;width:100%}
@media (min-width:768px){.container{max-width:720px}}
@media (min-width:992px){.container{max-width:960px}}
@media (min-width:1200px){.container{max-width:1140px}}
@media (min-width:1400px){.container{max-width:1240px}}
.section{padding:92px 0}
.section.tight{padding:64px 0}
@media (max-width:767px){.section{padding:52px 0}.section.tight{padding:40px 0}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;color:var(--muted);
  text-transform:uppercase;font-weight:600;margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--stardust);border-radius:2px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,2.6vw,32px)}
.section-head .sub{color:var(--muted);font-size:15px;margin-top:8px;max-width:620px}
@media (max-width:767px){.section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px}}
.link-more{color:var(--ink);font-weight:600;font-size:15px;border-bottom:1px dashed var(--line);padding-bottom:2px}
.link-more:hover{color:var(--stardust)}
.link-more span{display:inline-block;transition:transform .2s var(--ease)}
.link-more:hover span{transform:translateX(3px)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);padding:12px 24px;font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;line-height:1.4;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-gold{background:var(--stardust);color:#2A1F07;box-shadow:0 10px 22px -14px rgba(233,183,90,.9)}
.btn-gold:hover{background:#F2C877;color:#2A1F07;transform:translateY(-2px);box-shadow:0 16px 30px -16px rgba(233,183,90,.95)}
.btn-gold:active{transform:translateY(0)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--ink-2);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-outline{border-color:rgba(255,255,255,.6);color:#fff;background:transparent}
.btn-outline:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff;transform:translateY(-2px)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--stardust);color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none}

/* 徽章 */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:4px 12px;border-radius:999px;
  background:var(--stardust-soft);color:#6B4D12;
}
.badge-line{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:4px 12px;border-radius:999px;
  border:1px solid var(--line);color:var(--muted);background:#fff;
}
.badge-aurora{background:rgba(127,216,196,.18);color:#256B5B}

/* 导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  border-bottom:1px solid rgba(255,255,255,.1);
  transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(247,245,241,.96);
  border-bottom-color:var(--line);
  box-shadow:0 1px 0 rgba(27,23,48,.03),0 10px 30px -24px rgba(27,23,48,.5);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:var(--nav-h)}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{display:grid;place-items:center;width:32px;height:32px;color:#fff;transition:color .25s var(--ease)}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.02em;color:#fff;transition:color .25s var(--ease);white-space:nowrap}
.site-header.is-scrolled .brand-mark,.site-header.is-scrolled .brand-name{color:var(--ink)}
.site-header.is-scrolled .brand-mark .star-dot{fill:var(--stardust)}
.nav-menu{display:none;align-items:center;gap:4px}
@media (min-width:992px){.nav-menu{display:flex}}
.nav-link-item{display:block;position:relative}
.nav-link{
  display:block;padding:8px 12px;font-size:15px;font-weight:500;color:rgba(255,255,255,.86);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.nav-link:hover{color:#fff;transform:translateY(-1px)}
.nav-link-item.is-active .nav-link{font-weight:600;color:#fff}
.nav-link-item.is-active .nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;background:var(--stardust);
}
.site-header.is-scrolled .nav-link{color:var(--muted)}
.site-header.is-scrolled .nav-link:hover{color:var(--ink)}
.site-header.is-scrolled .nav-link-item.is-active .nav-link{color:var(--ink)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-actions .btn{padding:9px 18px;font-size:14px}
.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:10px;border:1px solid rgba(255,255,255,.28);
  background:transparent;padding:0 11px;cursor:pointer;transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:#fff;transition:background .25s var(--ease)}
.nav-toggle:hover{border-color:var(--stardust)}
.site-header.is-scrolled .nav-toggle{border-color:var(--line)}
.site-header.is-scrolled .nav-toggle span{background:var(--ink)}
@media (min-width:992px){.nav-toggle{display:none}}

/* 移动抽屉 */
.drawer{background:var(--ink);color:#fff;width:300px}
.drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:20px 22px}
.drawer .offcanvas-body{padding:16px 0}
.drawer .brand-name{color:#fff}
.drawer .brand-mark{color:#fff}
.drawer-link{
  display:flex;align-items:center;height:3rem;padding:0 22px;font-size:16px;color:rgba(255,255,255,.82);
  border-left:3px solid transparent;transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-link:hover{background:rgba(255,255,255,.06);color:#fff}
.drawer-link.is-active{border-left-color:var(--stardust);color:#fff;font-weight:600;background:rgba(255,255,255,.05)}
.drawer-cta{margin:18px 22px 0}
.drawer-close{filter:invert(1) grayscale(1) brightness(2)}

/* Hero */
.hero{
  position:relative;overflow:hidden;color:#fff;
  padding:calc(var(--nav-h) + 74px) 0 78px;
  background-image:linear-gradient(112deg,rgba(27,23,48,.95) 0%,rgba(27,23,48,.88) 42%,rgba(46,38,80,.76) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  min-height:620px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:
    radial-gradient(1.4px 1.4px at 18% 26%,rgba(255,255,255,.75) 50%,transparent 51%),
    radial-gradient(1.1px 1.1px at 72% 16%,rgba(233,183,90,.7) 50%,transparent 51%),
    radial-gradient(1.6px 1.6px at 44% 74%,rgba(255,255,255,.5) 50%,transparent 51%),
    radial-gradient(1.1px 1.1px at 88% 64%,rgba(127,216,196,.55) 50%,transparent 51%),
    radial-gradient(1.2px 1.2px at 30% 52%,rgba(255,255,255,.35) 50%,transparent 51%);
  background-size:320px 320px;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:center}
.hero-copy{max-width:620px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.04em;
  padding:6px 14px;border-radius:999px;border:1px solid rgba(233,183,90,.5);
  background:rgba(233,183,90,.1);color:var(--stardust-soft);font-weight:600;margin-bottom:22px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--aurora);display:inline-block;box-shadow:0 0 0 4px rgba(127,216,196,.18)}
.hero h1{
  color:#fff;font-size:clamp(30px,4.6vw,52px);line-height:1.22;letter-spacing:.01em;margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--stardust)}
.hero-sub{font-size:clamp(16px,1.6vw,19px);color:rgba(255,255,255,.9);font-weight:500;margin-bottom:14px}
.hero-desc{font-size:16px;color:rgba(255,255,255,.72);max-width:540px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-trust{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13px;color:rgba(255,255,255,.72)}
.hero-trust span{display:inline-flex;align-items:center;gap:8px}
.hero-trust span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--stardust)}
.member-card{
  background:#fff;border-radius:var(--r-lg);padding:30px 28px 26px;color:var(--text);
  box-shadow:0 2px 4px rgba(27,23,48,.08),0 40px 70px -40px rgba(0,0,0,.65);
  border:1px solid rgba(255,255,255,.6);
}
.member-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.member-card-tag{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--muted)}
.member-card-status{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;color:#256B5B;background:rgba(127,216,196,.16);padding:4px 11px;border-radius:999px}
.member-card-status i{width:6px;height:6px;border-radius:50%;background:#2F9C82;display:inline-block}
.member-card h3{font-size:20px;margin-bottom:6px}
.member-card-sub{font-size:14px;color:var(--muted);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:7px}
.field input{
  width:100%;height:46px;padding:0 14px;border-radius:10px;border:1px solid var(--line);
  background:#FCFBF9;font-size:15px;color:var(--text);transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input::placeholder{color:#A8A4B8}
.field input:focus{outline:none;border-color:var(--stardust);box-shadow:0 0 0 3px rgba(233,183,90,.22)}
.member-card .btn{margin-top:6px}
.member-card-note{font-size:12.5px;color:var(--muted);text-align:center;margin-top:14px}
@media (max-width:991px){
  .hero{padding:calc(var(--nav-h) + 46px) 0 56px;min-height:auto}
  .hero-inner{grid-template-columns:1fr;gap:38px}
  .member-card{max-width:460px}
}

/* 状态条 */
.stat-strip{background:var(--ink-2);color:#fff;padding:22px 0}
.stat-strip-inner{display:flex;flex-wrap:wrap;align-items:center;gap:18px 40px}
.stat-item{display:flex;align-items:baseline;gap:10px}
.stat-item .num{font-size:22px;font-weight:700;color:var(--stardust);font-variant-numeric:tabular-nums}
.stat-item .label{font-size:13.5px;color:rgba(255,255,255,.68)}
.stat-note{margin-left:auto;font-size:13px;color:rgba(255,255,255,.55);display:flex;align-items:center;gap:8px}
.stat-note i{width:6px;height:6px;border-radius:50%;background:var(--aurora);display:inline-block}
@media (max-width:767px){.stat-note{margin-left:0}}

/* 权益对比表 */
.compare-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:10px 22px 22px;box-shadow:var(--sh-1)}
.compare-table{width:100%;border-collapse:collapse}
.compare-table th,.compare-table td{padding:16px 14px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);vertical-align:middle}
.compare-table thead th{
  background:var(--ink);color:#fff;font-size:14px;font-weight:600;letter-spacing:.03em;
  border-bottom:none;
}
.compare-table thead th:first-child{border-top-left-radius:12px;width:28%}
.compare-table thead th:last-child{border-top-right-radius:12px}
.compare-table th:first-child,.compare-table td:first-child{width:28%;font-weight:600;color:var(--ink)}
.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table tbody tr{transition:background .2s var(--ease)}
.compare-table tbody tr:hover td{background:#FBF9F5}
.col-recommend{position:relative;background:linear-gradient(180deg,rgba(233,183,90,.09),rgba(233,183,90,.02))}
.compare-table thead th.col-recommend{background:var(--ink-2);box-shadow:inset 0 0 0 1.5px var(--stardust);border-radius:12px 12px 0 0}
.compare-table tbody td.col-recommend{box-shadow:inset 1.5px 0 0 var(--stardust),inset -1.5px 0 0 var(--stardust)}
.compare-table tbody tr:last-child td.col-recommend{box-shadow:inset 1.5px 0 0 var(--stardust),inset -1.5px 0 0 var(--stardust),inset 0 -1.5px 0 var(--stardust);border-bottom-left-radius:12px;border-bottom-right-radius:12px}
.cell-yes{color:var(--ink);font-weight:600}
.cell-no{color:var(--muted)}
.compare-tips{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px}
@media (max-width:767px){
  .compare-wrap{padding:16px;border-radius:var(--r-card)}
  .compare-table thead{display:none}
  .compare-table,.compare-table tbody,.compare-table tr,.compare-table td{display:block;width:100%}
  .compare-table tr{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    padding:14px 16px;margin-bottom:14px;box-shadow:var(--sh-1);
  }
  .compare-table td{
    border-bottom:1px dashed var(--line);padding:9px 0;font-size:14.5px;
    display:flex;justify-content:space-between;gap:16px;text-align:right;
  }
  .compare-table td:last-child{border-bottom:none}
  .compare-table td::before{content:attr(data-label);font-weight:600;color:var(--muted);text-align:left;flex:0 0 auto}
  .compare-table td:first-child{
    width:100%;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line);
    justify-content:flex-start;padding-bottom:12px;margin-bottom:6px;
  }
  .compare-table td:first-child::before{content:none}
  .col-recommend{box-shadow:none!important;background:transparent}
}

/* 等级 bento */
.level-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.level-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 28px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.level-card:hover{transform:translateY(-2px);border-color:rgba(233,183,90,.5);box-shadow:var(--sh-2)}
.level-card-main{grid-column:span 6;display:flex;flex-direction:column}
.level-card-sm{grid-column:span 3}
.level-card-sm.offset{margin-top:40px}
.level-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:5px 13px;border-radius:999px;background:var(--ink);color:var(--stardust);margin-bottom:18px;align-self:flex-start;
}
.level-card h3{font-size:22px;margin-bottom:10px}
.level-card p{color:var(--muted);font-size:15px;margin-bottom:18px}
.level-list li{
  display:flex;gap:10px;font-size:15px;color:var(--text);padding:8px 0;border-bottom:1px dashed var(--line);
}
.level-list li:last-child{border-bottom:none}
.level-list li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--stardust);margin-top:11px}
.level-foot{margin-top:auto;padding-top:18px}
.level-foot a{font-weight:600;font-size:15px;color:var(--ink);border-bottom:1px dashed var(--line);padding-bottom:2px}
.level-foot a:hover{color:var(--stardust)}
@media (max-width:991px){
  .level-card-main{grid-column:span 12}
  .level-card-sm{grid-column:span 6}
  .level-card-sm.offset{margin-top:0}
}
@media (max-width:640px){
  .level-card-sm{grid-column:span 12}
}

/* 专属内容 bento */
.content-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px}
.content-hero{
  position:relative;border-radius:var(--r-card);overflow:hidden;min-height:340px;
  display:flex;align-items:flex-end;color:#fff;box-shadow:var(--sh-1);
}
.content-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.content-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(27,23,48,.15) 0%,rgba(27,23,48,.88) 100%)}
.content-hero:hover img{transform:scale(1.03)}
.content-hero-body{position:relative;z-index:2;padding:30px 28px}
.content-hero-body .badge-soft{background:rgba(233,183,90,.9);color:#2A1F07}
.content-hero-body h3{color:#fff;font-size:23px;margin:14px 0 8px}
.content-hero-body p{color:rgba(255,255,255,.78);font-size:14.5px;margin:0}
.content-side{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.mini-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.mini-card:hover{transform:translateY(-2px);border-color:rgba(233,183,90,.5);box-shadow:var(--sh-2)}
.mini-card-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:#F0EEE9}
.mini-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.mini-card:hover .mini-card-media img{transform:scale(1.03)}
.mini-card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px}
.mini-card-body h4{font-size:16.5px;line-height:1.5}
.mini-card-body p{font-size:14px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
@media (max-width:991px){
  .content-grid{grid-template-columns:1fr}
  .content-hero{min-height:280px}
}
@media (max-width:575px){
  .content-side{grid-template-columns:1fr}
}

/* 最新信息 */
.news-list{display:grid;grid-template-columns:1.05fr .95fr;gap:28px}
.news-lead{display:flex;flex-direction:column;gap:20px}
.news-card{
  display:grid;grid-template-columns:200px minmax(0,1fr);gap:20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.news-card:hover{transform:translateY(-2px);border-color:rgba(233,183,90,.5);box-shadow:var(--sh-2)}
.news-card-media{display:block;overflow:hidden;border-radius:var(--r-img);aspect-ratio:16/10;background:#F0EEE9}
.news-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .news-card-media img{transform:scale(1.03)}
.news-card-body{display:flex;flex-direction:column;gap:9px;min-width:0}
.news-card-body h3{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card-body h3 a:hover{color:var(--stardust)}
.news-card-body p{font-size:14.5px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card-body time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.news-side{display:flex;flex-direction:column;gap:12px}
.news-row{
  display:grid;grid-template-columns:88px minmax(0,1fr) auto;align-items:center;gap:14px;
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:14px 18px;transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.news-row:hover{border-color:rgba(233,183,90,.55);transform:translateY(-2px);box-shadow:var(--sh-1)}
.news-row-date{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.news-row-title{font-size:15px;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-row:hover .news-row-title{color:var(--stardust)}
.news-row-badge{font-size:11.5px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:2px 10px;white-space:nowrap}
.news-empty{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:10px;
  padding:56px 20px;background:var(--card);border:1px dashed var(--line);border-radius:var(--r-card);color:var(--muted);
}
.news-empty-icon{font-size:26px;color:var(--stardust)}
.news-more{margin-top:28px;display:flex;justify-content:center}
@media (max-width:991px){
  .news-list{grid-template-columns:1fr}
}
@media (max-width:575px){
  .news-card{grid-template-columns:1fr;padding:14px}
  .news-row{grid-template-columns:1fr;gap:6px}
  .news-row-badge{justify-self:start}
}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-accordion .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.faq-accordion .accordion-button{
  background:transparent;box-shadow:none;border:0;border-radius:0;
  padding:22px 0;font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:padding .18s var(--ease),color .18s var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--ink);background:transparent;box-shadow:none;
  padding-left:18px;border-left:3px solid var(--stardust);
}
.faq-accordion .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-accordion .accordion-button::after{
  width:10px;height:10px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  background-image:none;transform:rotate(45deg);transition:transform .18s var(--ease),border-color .18s var(--ease);
  flex:0 0 auto;margin-left:16px;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--stardust)}
.faq-accordion .accordion-body{padding:0 0 22px;font-size:15px;line-height:1.9;color:var(--muted)}
.faq-accordion .accordion-button:not(.collapsed) + .accordion-collapse .accordion-body{padding-left:18px}

/* CTA 带 */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
  border-radius:var(--r-lg);padding:56px 56px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:0 30px 60px -40px rgba(27,23,48,.8);
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:
    radial-gradient(1.4px 1.4px at 14% 30%,rgba(255,255,255,.6) 50%,transparent 51%),
    radial-gradient(1.2px 1.2px at 62% 22%,rgba(233,183,90,.65) 50%,transparent 51%),
    radial-gradient(1.5px 1.5px at 82% 74%,rgba(255,255,255,.45) 50%,transparent 51%);
  background-size:280px 280px;
}
.cta-text{position:relative;z-index:2}
.cta-text h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:12px}
.cta-text p{color:rgba(255,255,255,.72);font-size:15px;margin:0}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px}
@media (max-width:991px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 28px;gap:26px}
}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:0}
.footer-col{padding:0 28px}
.footer-col:first-child{padding-left:0}
.footer-col:last-child{padding-right:0}
.footer-col + .footer-col{border-left:1px solid rgba(255,255,255,.1)}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;margin-bottom:14px}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-mark{color:#fff}
.footer-desc{font-size:14px;color:rgba(255,255,255,.68);margin-bottom:14px}
.footer-meta{font-size:13px;color:rgba(255,255,255,.5)}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;letter-spacing:.02em}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-links a:hover{color:var(--stardust)}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.62);border-bottom:1px dashed rgba(255,255,255,.28);padding-bottom:1px}
.footer-bottom a:hover{color:var(--stardust)}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px 0}
  .footer-col{padding:0 22px}
  .footer-col:nth-child(odd){padding-left:0}
  .footer-col:nth-child(even){border-left:1px solid rgba(255,255,255,.1)}
  .footer-col:nth-child(3){border-left:0}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr}
  .footer-col{padding:0;border-left:0!important;padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.1)}
  .footer-col:last-child{border-bottom:0;padding-bottom:0}
}

/* 返回顶部 */
.back-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--ink);color:#fff;border:1px solid rgba(255,255,255,.14);
  display:grid;place-items:center;font-size:18px;cursor:pointer;z-index:1040;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),background .22s var(--ease),visibility .22s;
  box-shadow:0 14px 30px -18px rgba(27,23,48,.9);
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--ink-2);transform:translateY(-2px)}

/* roulang page: article */
:root{
  --ink:#1B1730;
  --ink-2:#2E2650;
  --stardust:#E9B75A;
  --stardust-deep:#C99436;
  --aurora:#7FD8C4;
  --bg:#F7F5F1;
  --card:#FFFFFF;
  --line:#E6E2DA;
  --text:#252134;
  --muted:#6B6785;
  --radius-lg:24px;
  --radius:16px;
  --radius-sm:10px;
  --radius-xs:12px;
  --shadow-1:0 1px 2px rgba(27,23,48,.04), 0 8px 24px -12px rgba(27,23,48,.14);
  --shadow-2:0 2px 6px rgba(27,23,48,.06), 0 18px 40px -18px rgba(27,23,48,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--stardust-deep)}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;letter-spacing:.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--aurora);outline-offset:3px;border-radius:6px}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (max-width:1399px){:root{--container:1140px}}
@media (max-width:1199px){:root{--container:960px}}
@media (max-width:991px){:root{--container:720px}}
@media (max-width:767px){:root{--container:100%}.container{padding-left:16px;padding-right:16px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:var(--radius-sm);
  padding:12px 22px;font-size:15px;font-weight:600;letter-spacing:.02em;
  cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-gold{background:var(--stardust);color:#221B0C;box-shadow:0 10px 22px -12px rgba(233,183,90,.9)}
.btn-gold:hover{background:#F0C572;color:#221B0C;transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(233,183,90,.95)}
.btn-gold:active{transform:translateY(0);background:var(--stardust-deep);color:#fff}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--ink-2);color:#fff;transform:translateY(-2px)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.72);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.btn-outline{border:1.5px solid var(--line);background:#fff;color:var(--ink)}
.btn-outline:hover{border-color:var(--stardust);color:var(--ink);transform:translateY(-2px)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--bg);
  border-bottom:1px solid transparent;
  transition:background-color .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(247,245,241,.94);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px -16px rgba(27,23,48,.4);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.brand-mark{display:inline-flex;color:var(--ink)}
.brand-mark .star-dot{animation:twinkle 3.2s var(--ease) infinite}
@keyframes twinkle{0%,100%{opacity:1}50%{opacity:.45}}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--ink)}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-link-item{position:relative}
.nav-link{
  display:inline-block;padding:10px 14px;font-size:15px;color:var(--muted);border-radius:8px;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.nav-link:hover{color:var(--ink);transform:translateY(-1px)}
.nav-link-item.is-active .nav-link{color:var(--ink);font-weight:600}
.nav-link-item.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--stardust);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:14px}
.nav-actions .btn{padding:10px 18px;font-size:14px}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;padding:0;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;margin:4px auto;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease)}
.nav-toggle:hover{border-color:var(--stardust)}
.offcanvas.drawer{background:var(--ink);color:#EDEAF6;width:300px}
.drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:18px 20px}
.drawer .drawer-title{font-size:16px;font-weight:700;color:#fff;letter-spacing:.02em}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.6)}
.drawer .offcanvas-body{padding:8px 0}
.drawer-nav a{
  display:flex;align-items:center;height:3rem;padding:0 22px;color:#CFC9E2;font-size:15px;
  border-left:3px solid transparent;transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.drawer-nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.drawer-nav a.is-active{color:#fff;font-weight:600;border-left-color:var(--stardust);background:rgba(233,183,90,.08)}
.drawer-cta{margin:20px 22px 8px}

@media (max-width:991px){
  .nav-menu{display:none}
  .nav-toggle{display:block}
  .nav-actions .btn-gold{display:none}
  .brand-name{font-size:16px}
}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;
  background:
    radial-gradient(circle at 12% 22%, rgba(233,183,90,.16) 0 2px, transparent 3px),
    radial-gradient(circle at 74% 14%, rgba(127,216,196,.14) 0 2px, transparent 3px),
    radial-gradient(circle at 38% 68%, rgba(233,183,90,.12) 0 1.6px, transparent 2.6px),
    radial-gradient(circle at 88% 62%, rgba(255,255,255,.18) 0 1.6px, transparent 2.6px),
    linear-gradient(180deg,#FFFFFF 0%, var(--bg) 100%);
  border-bottom:1px solid var(--line);
  padding:44px 0 40px;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin-bottom:22px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--ink)}
.crumb .sep{color:#C6C0D2}
.crumb .current{color:#9B96AD;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px}
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;font-weight:600;
  background:rgba(233,183,90,.16);color:#7A5A17;border:1px solid rgba(233,183,90,.4);
}
.badge-pill.aurora{background:rgba(127,216,196,.16);color:#20705F;border-color:rgba(127,216,196,.45)}
.badge-pill.plain{background:#fff;color:var(--muted);border-color:var(--line)}
.article-title{
  font-size:clamp(24px,3vw,36px);
  line-height:1.34;
  max-width:20ch;
  letter-spacing:.01em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:14px;color:var(--muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C9C3D6}
.article-meta .num{font-variant-numeric:tabular-nums}

/* ---------- 布局 ---------- */
.article-section{padding:52px 0 72px}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,780px) 300px;
  gap:48px;
  justify-content:center;
  align-items:start;
}
.article-main{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:44px 46px 40px;
  box-shadow:var(--shadow-1);
}
.article-body{font-size:17px;line-height:1.95;color:var(--text)}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  position:relative;
  font-size:24px;margin:40px 0 16px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--stardust),#F2D597);
}
.article-body h3{font-size:19px;margin:30px 0 12px}
.article-body h4{font-size:17px;margin:24px 0 10px;color:var(--ink)}
.article-body a{color:var(--ink);border-bottom:1px dotted var(--muted);transition:color .2s var(--ease),border-color .2s var(--ease)}
.article-body a:hover{color:var(--stardust-deep);border-bottom-color:var(--stardust)}
.article-body blockquote{
  margin:26px 0;padding:20px 22px;background:#F4F1EB;
  border-left:3px solid var(--stardust);border-radius:0 var(--radius-xs) var(--radius-xs) 0;
  color:#3A3450;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:4px}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin:8px 0;line-height:1.9}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.78em;width:7px;height:7px;border-radius:50%;
  background:var(--stardust);box-shadow:0 0 0 3px rgba(233,183,90,.18);
}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.35em;
  width:20px;height:20px;border-radius:6px;background:rgba(27,23,48,.06);
  color:var(--ink);font-size:12px;font-weight:700;line-height:20px;text-align:center;font-variant-numeric:tabular-nums;
}
.article-body img{border-radius:var(--radius-xs);margin:22px 0;width:100%;height:auto;box-shadow:var(--shadow-1)}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body table th{
  background:var(--ink);color:#F2EFF9;font-weight:600;text-align:left;padding:12px 14px;
}
.article-body table th:first-child{border-radius:10px 0 0 0}
.article-body table th:last-child{border-radius:0 10px 0 0}
.article-body table td{padding:12px 14px;border-bottom:1px solid var(--line);line-height:1.7}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}

/* ---------- 文内 CTA ---------- */
.inline-cta{
  margin:38px 0 10px;padding:24px 26px;
  border:1px solid rgba(233,183,90,.5);
  border-radius:var(--radius);
  background:linear-gradient(120deg,#FFFDF7 0%,#FBF6EA 100%);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  box-shadow:var(--shadow-1);
}
.inline-cta h3{font-size:18px;margin-bottom:6px}
.inline-cta p{font-size:14px;color:var(--muted)}
.inline-cta .actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 上一篇 / 下一篇 ---------- */
.post-nav{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;
  margin-top:34px;
}
.post-nav a{
  display:block;padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.post-nav a:hover{transform:translateY(-2px);border-color:rgba(233,183,90,.55);box-shadow:var(--shadow-1)}
.post-nav .label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;letter-spacing:.04em}
.post-nav .name{font-size:15px;font-weight:600;color:var(--ink);line-height:1.6}

/* ---------- 相关推荐 ---------- */
.related{margin-top:56px}
.related-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:22px}
.related-head h2{font-size:22px}
.related-head .more{font-size:14px;color:var(--muted)}
.related-head .more:hover{color:var(--ink)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.related-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.related-card:hover{transform:translateY(-2px);border-color:rgba(233,183,90,.55);box-shadow:var(--shadow-2)}
.related-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EFEBE3}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.related-card:hover .related-thumb img{transform:scale(1.03)}
.related-body{padding:16px 18px 18px}
.related-body .badge-pill{margin-bottom:10px}
.related-body h3{font-size:16px;line-height:1.6;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-body .time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.back-row{display:flex;gap:22px;flex-wrap:wrap;margin-top:32px;font-size:15px}
.back-row a{display:inline-flex;align-items:center;gap:6px;color:var(--muted)}
.back-row a:hover{color:var(--ink)}

/* ---------- 空状态 ---------- */
.empty-state{
  text-align:center;padding:56px 20px;border:1px dashed var(--line);border-radius:var(--radius);
  background:#FBF9F5;color:var(--muted);
}
.empty-state .icon{
  width:52px;height:52px;margin:0 auto 16px;border-radius:50%;
  background:rgba(233,183,90,.16);display:flex;align-items:center;justify-content:center;color:var(--stardust-deep);font-size:22px;
}
.empty-state h3{font-size:18px;margin-bottom:8px}
.empty-state p{font-size:14px;margin-bottom:20px}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:15px;letter-spacing:.04em;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--stardust)}
.toc-list li{margin:2px 0}
.toc-list a{
  display:block;font-size:14px;line-height:1.7;color:var(--muted);padding:6px 10px;border-radius:8px;
  border-left:2px solid transparent;
}
.toc-list a:hover{color:var(--ink);background:#FAF8F4}
.toc-list a.active{color:var(--ink);font-weight:600;border-left-color:var(--stardust);background:#FBF7EE}
.hot-list li + li{border-top:1px solid var(--line)}
.hot-list a{display:flex;gap:10px;padding:12px 0;font-size:14px;line-height:1.65;color:var(--text)}
.hot-list a:hover{color:var(--stardust-deep)}
.hot-list .idx{
  flex:0 0 22px;height:22px;border-radius:7px;background:rgba(27,23,48,.06);color:var(--ink);
  font-size:12px;font-weight:700;line-height:22px;text-align:center;font-variant-numeric:tabular-nums;
}
.hot-list li:first-child .idx{background:var(--stardust);color:#221B0C}
.side-member{background:linear-gradient(160deg,var(--ink) 0%,var(--ink-2) 100%);border:0;color:#E6E2F3}
.side-member h3{color:#fff}
.side-member p{font-size:14px;color:#BDB7D0;margin-bottom:16px;line-height:1.8}
.side-member .btn{width:100%}
.side-member .link-ghost{display:block;text-align:center;margin-top:12px;font-size:14px;color:#CFC9E2}
.side-member .link-ghost:hover{color:var(--stardust)}
.mobile-cta{display:none}

@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-side{display:none}
  .mobile-cta{display:block;margin-top:40px}
}
@media (max-width:767px){
  .article-hero{padding:28px 0 26px}
  .article-main{padding:26px 20px 26px;border-radius:var(--radius)}
  .article-body{font-size:16px}
  .article-body h2{font-size:21px;margin-top:32px}
  .article-title{max-width:none}
  .post-nav{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .article-section{padding:36px 0 56px}
  .inline-cta{padding:20px}
  .inline-cta .actions{width:100%}
  .inline-cta .actions .btn{flex:1 1 auto}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#BDB7D0;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:0}
.footer-col{padding:0 28px}
.footer-col:first-child{padding-left:0}
.footer-col + .footer-col{border-left:1px solid rgba(255,255,255,.1)}
.footer-brand{color:#fff;margin-bottom:14px}
.footer-brand .brand-mark,.footer-brand .brand-name{color:#fff}
.footer-desc{font-size:14px;color:#A9A2C0;margin-bottom:10px}
.footer-meta{font-size:13px;color:#7E7897}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:.06em;margin-bottom:16px}
.footer-links li{margin:0 0 10px}
.footer-links a{font-size:14px;color:#A9A2C0}
.footer-links a:hover{color:var(--stardust)}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#7E7897;
}
.footer-bottom a{color:#A9A2C0}
.footer-bottom a:hover{color:var(--stardust)}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 0}
  .footer-col{padding:0 20px}
  .footer-col:nth-child(odd){padding-left:0}
  .footer-col:nth-child(3){border-left:0;padding-left:0}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr}
  .footer-col,.footer-col:first-child{padding:0}
  .footer-col + .footer-col{border-left:0;border-top:1px solid rgba(255,255,255,.1);padding-top:24px}
  .site-footer{padding-top:48px}
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;
  background:var(--ink);color:#fff;border:0;display:none;align-items:center;justify-content:center;
  cursor:pointer;box-shadow:var(--shadow-2);z-index:1020;transition:transform .2s var(--ease),background-color .2s var(--ease);
}
.to-top:hover{background:var(--ink-2);transform:translateY(-2px)}
.to-top.show{display:flex}

/* roulang page: category1 */
:root{
  --ink:#1B1730;
  --ink-2:#2E2650;
  --stardust:#E9B75A;
  --aurora:#7FD8C4;
  --bg:#F7F5F1;
  --card:#FFFFFF;
  --line:#E6E2DA;
  --text:#252134;
  --muted:#6B6785;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --shadow-1:0 1px 2px rgba(27,23,48,.04),0 8px 24px -12px rgba(27,23,48,.14);
  --shadow-2:0 2px 6px rgba(27,23,48,.06),0 18px 38px -16px rgba(27,23,48,.24);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease)}
a:hover{color:#8a6a1f}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.01em;line-height:1.3}
p{margin:0}
ol,ul{margin:0;padding:0}
:focus-visible{outline:2px solid var(--aurora);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (max-width:1399.98px){.container{max-width:1140px}}
@media (max-width:1199.98px){.container{max-width:960px}}
@media (max-width:991.98px){.container{max-width:720px;padding-left:20px;padding-right:20px}}
@media (max-width:767.98px){.container{max-width:100%;padding-left:16px;padding-right:16px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#F7F5F1;
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 8px 22px -18px rgba(27,23,48,.55);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;min-width:0}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  background:var(--ink);color:#F2EFE8;
}
.brand-name{font-size:16px;letter-spacing:.01em;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:4px;list-style:none}
.nav-link{
  position:relative;display:flex;align-items:center;height:72px;padding:0 12px;
  font-size:15px;color:#413B5C;
}
.nav-link:hover{color:var(--ink);transform:translateY(-1px)}
.nav-link-item.is-active .nav-link{color:var(--ink);font-weight:600}
.nav-link-item.is-active .nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:19px;height:2px;
  background:var(--stardust);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-sm);border:1px solid transparent;
  padding:10px 20px;font-size:15px;font-weight:600;line-height:1.4;
  cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-gold{background:var(--stardust);color:#2A1F07;border-color:#DDA946;box-shadow:0 6px 18px -12px rgba(233,183,90,.9)}
.btn-gold:hover{background:#F0C468;color:#2A1F07;transform:translateY(-2px);box-shadow:0 12px 26px -14px rgba(233,183,90,.95)}
.btn-gold:active{transform:translateY(0);background:#DDA946}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);border-width:1.5px}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-2px);border-color:#fff}
.btn-outline-ink{background:transparent;color:var(--ink);border:1.5px solid rgba(27,23,48,.28)}
.btn-outline-ink:hover{background:var(--ink);color:#F7F5F1;border-color:var(--ink);transform:translateY(-2px)}
.btn-lg{padding:14px 28px;font-size:16px;border-radius:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle:hover{border-color:var(--stardust)}

/* 移动抽屉 */
.offcanvas.drawer{background:var(--ink);color:#EFEDF5;width:300px}
.drawer .offcanvas-header{padding:20px 20px 12px;border-bottom:1px solid rgba(255,255,255,.1)}
.drawer .brand-name{color:#fff}
.drawer .brand-mark{background:rgba(255,255,255,.1);color:#fff}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(2)}
.drawer-menu{list-style:none;padding:8px 0 20px}
.drawer-menu a{
  display:flex;align-items:center;height:3rem;padding:0 20px;
  color:rgba(255,255,255,.82);font-size:16px;border-left:3px solid transparent;
}
.drawer-menu a:hover{color:#fff;background:rgba(255,255,255,.05)}
.drawer-menu li.is-active a{border-left-color:var(--stardust);color:#fff;font-weight:600}
.drawer-foot{padding:20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- 页头横幅 ---------- */
.page-banner{
  position:relative;overflow:hidden;color:#fff;background-color:var(--ink);
  background-image:linear-gradient(115deg,rgba(27,23,48,.95) 0%,rgba(27,23,48,.82) 45%,rgba(46,38,80,.78) 100%),
    url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
}
.page-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.16;
  background-image:radial-gradient(rgba(255,255,255,.75) 1px,transparent 1px);
  background-size:130px 130px;
}
.banner-inner{position:relative;z-index:2;padding:46px 0 54px;min-height:280px;display:flex;flex-direction:column;justify-content:center}
.breadcrumb-nav{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:rgba(255,255,255,.62);margin-bottom:18px}
.breadcrumb-nav a{color:rgba(255,255,255,.85)}
.breadcrumb-nav a:hover{color:var(--stardust)}
.breadcrumb-nav .sep{opacity:.5}
.page-banner h1{
  color:#fff;font-size:clamp(27px,3.4vw,42px);max-width:820px;
  margin-bottom:14px;
}
.banner-sub{font-size:16px;color:rgba(255,255,255,.78);max-width:640px}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;
  font-size:12px;letter-spacing:.06em;color:#FFE6B8;
  border:1px solid rgba(233,183,90,.5);background:rgba(233,183,90,.12);
  border-radius:999px;padding:5px 14px;width:fit-content;
}

/* ---------- 状态条 ---------- */
.status-bar{margin-top:-28px;position:relative;z-index:5}
.status-inner{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  display:grid;grid-template-columns:repeat(3,1fr);
}
.status-item{
  display:flex;align-items:center;gap:10px;padding:18px 22px;
  font-size:14px;color:var(--text);
}
.status-item + .status-item{border-left:1px solid var(--line)}
.status-item strong{font-weight:600;color:var(--ink)}
.dot{width:8px;height:8px;border-radius:50%;flex:0 0 8px}
.dot-gold{background:var(--stardust)}
.dot-aurora{background:var(--aurora)}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0}
.section-tight{padding:56px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.badge-tag{
  display:inline-flex;align-items:center;font-size:12px;letter-spacing:.05em;
  color:#7A5A12;background:rgba(233,183,90,.18);border-radius:999px;padding:4px 13px;margin-bottom:14px;
}
.badge-tag.aurora{color:#1F5C4D;background:rgba(127,216,196,.2)}
.section-head h2{font-size:clamp(24px,2.4vw,32px);margin-bottom:12px}
.section-sub{color:var(--muted);font-size:16px}

/* ---------- 步骤条 ---------- */
.step-list{list-style:none;max-width:920px}
.step-item{position:relative;padding-left:84px;padding-bottom:38px}
.step-item:last-child{padding-bottom:0}
.step-item:not(:last-child)::before{
  content:"";position:absolute;left:23px;top:56px;bottom:6px;
  border-left:1px dashed rgba(27,23,48,.2);
}
.step-num{
  position:absolute;left:0;top:-4px;width:48px;
  font-size:32px;line-height:1;font-weight:700;color:var(--stardust);opacity:.92;
  letter-spacing:.02em;
}
.step-body h3{font-size:20px;margin-bottom:10px}
.step-body p{color:var(--muted);font-size:15.5px;max-width:640px;margin-bottom:8px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);border-bottom:1px dashed rgba(27,23,48,.35);padding-bottom:2px}
.text-link:hover{color:#8a6a1f;border-bottom-color:var(--stardust)}
.text-link::after{content:"→";font-size:13px;transition:transform .2s var(--ease)}
.text-link:hover::after{transform:translateX(3px)}

/* ---------- 精选卡 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.pick-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  display:flex;flex-direction:column;
}
.pick-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(233,183,90,.55)}
.thumb{overflow:hidden;background:#EFEBE4}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.pick-card:hover .thumb img{transform:scale(1.03)}
.ratio-16x9{aspect-ratio:16/9}
.pick-body{padding:22px 24px 26px}
.badge-soft{
  display:inline-flex;font-size:12px;letter-spacing:.04em;color:#1F5C4D;
  background:rgba(127,216,196,.22);border-radius:999px;padding:3px 11px;margin-bottom:12px;
}
.pick-body h3{font-size:19px;margin-bottom:10px}
.pick-body p{color:var(--muted);font-size:15px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px}
.faq-accordion .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.faq-accordion .accordion-item:first-child{border-top:1px solid var(--line)}
.faq-accordion .accordion-header{margin:0}
.faq-accordion .accordion-button{
  position:relative;background:transparent;box-shadow:none;color:var(--ink);
  font-size:17px;font-weight:600;line-height:1.6;padding:20px 44px 20px 18px;
  transition:color .2s var(--ease),padding-left .22s var(--ease);
}
.faq-accordion .accordion-button:hover{color:#8a6a1f}
.faq-accordion .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-accordion .accordion-button::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;
  background:var(--stardust);border-radius:2px;opacity:0;
  transition:opacity .2s var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--ink);padding-left:22px}
.faq-accordion .accordion-button:not(.collapsed)::before{opacity:1}
.faq-accordion .accordion-button::after{
  content:"";width:9px;height:9px;margin-left:auto;
  border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);
  background-image:none;transform:rotate(45deg);
  transition:transform .18s var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(-135deg)}
.faq-accordion .accordion-body{
  padding:0 44px 24px 22px;color:var(--muted);font-size:15px;line-height:1.9;
}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink-2);color:#fff;
  border-radius:var(--r-lg);padding:56px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
  background-image:linear-gradient(120deg,rgba(27,23,48,.96),rgba(46,38,80,.9)),url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.14;
  background-image:radial-gradient(rgba(255,255,255,.8) 1px,transparent 1px);
  background-size:110px 110px;
}
.cta-copy{position:relative;z-index:2;max-width:560px}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.2vw,30px);margin-bottom:12px}
.cta-copy p{color:rgba(255,255,255,.75);font-size:15.5px}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;padding:64px 0 0}
.footer-col{padding-right:28px}
.footer-col + .footer-col{padding-left:28px;border-left:1px solid rgba(255,255,255,.1)}
.footer-brand{color:#fff}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);color:#fff}
.footer-desc{font-size:14px;color:rgba(255,255,255,.62);margin:18px 0 8px}
.footer-meta{font-size:13px;color:rgba(255,255,255,.45)}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;letter-spacing:.02em;margin-bottom:18px}
.footer-links{list-style:none}
.footer-links li{margin-bottom:11px}
.footer-links a{color:rgba(255,255,255,.68);font-size:14px}
.footer-links a:hover{color:var(--stardust)}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:52px;padding:22px 0 30px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:var(--stardust)}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;
  background:var(--ink);color:#fff;border:0;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-2);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),background-color .22s var(--ease);
  z-index:1040;cursor:pointer;
}
.back-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--ink-2)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-link{padding:0 10px;font-size:14.5px}
  .section{padding:68px 0}
}
@media (max-width:991.98px){
  .nav-menu{display:none}
  .nav-toggle{display:flex}
  .grid-2{grid-template-columns:1fr;gap:22px}
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:36px;padding-top:52px}
  .footer-col{padding-right:0}
  .footer-col + .footer-col{padding-left:0;border-left:0}
  .cta-band{padding:40px 32px}
  .status-inner{grid-template-columns:1fr}
  .status-item + .status-item{border-left:0;border-top:1px solid var(--line)}
}
@media (max-width:767.98px){
  .section{padding:52px 0}
  .section-tight{padding:44px 0}
  .page-banner{min-height:250px}
  .banner-inner{padding:34px 0 44px}
  .step-item{padding-left:64px;padding-bottom:32px}
  .step-num{font-size:26px;width:38px;top:0}
  .step-item:not(:last-child)::before{left:17px;top:44px}
  .step-body h3{font-size:18px}
  .cta-band{padding:34px 24px;border-radius:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .faq-accordion .accordion-button{font-size:16px;padding:17px 38px 17px 16px}
  .faq-accordion .accordion-body{padding:0 22px 20px 20px}
  .back-top{right:16px;bottom:18px}
}
@media (max-width:575.98px){
  .brand-name{font-size:14.5px}
  .footer-grid{grid-template-columns:1fr;row-gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .badge-tag{font-size:11.5px}
  .cta-actions{flex-direction:column}
}

/* roulang page: category2 */
:root{
  --ink:#1B1730;
  --ink-2:#2E2650;
  --stardust:#E9B75A;
  --aurora:#7FD8C4;
  --bg:#F7F5F1;
  --card:#FFFFFF;
  --line:#E6E2DA;
  --text:#252134;
  --muted:#6B6785;
  --radius-card:16px;
  --radius-lg:24px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(27,23,48,.04), 0 8px 24px -12px rgba(27,23,48,.14);
  --shadow-2:0 2px 4px rgba(27,23,48,.06), 0 18px 40px -16px rgba(27,23,48,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::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","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.9;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.3;color:var(--ink)}
p{margin:0 0 .9em}
p:last-child{margin-bottom:0}
button{font:inherit;border:0;background:none;cursor:pointer}
:focus-visible{outline:2px solid var(--aurora);outline-offset:3px}
section[id]{scroll-margin-top:96px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media(max-width:1399.98px){.container{max-width:1140px}}
@media(max-width:1199.98px){.container{max-width:960px}}
@media(max-width:991.98px){.container{max-width:720px}}
@media(max-width:767.98px){.container{max-width:100%;padding:0 16px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;
  transition:transform .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
  box-shadow:none;
}
.btn:focus,.btn:focus-visible,.btn:active{box-shadow:none}
.btn-gold{background:var(--stardust);color:var(--ink);box-shadow:0 10px 22px -14px rgba(233,183,90,.95)}
.btn-gold:hover{background:#f0c46a;color:var(--ink);transform:translateY(-2px)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.1);color:#fff;transform:translateY(-2px)}
.btn-outline{border-color:rgba(27,23,48,.18);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--stardust);transform:translateY(-2px)}
.btn-sm{padding:9px 16px;font-size:14px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--ink);border-bottom:1px solid rgba(233,183,90,.6);padding-bottom:2px}
.text-link:hover{color:#8a6420;border-bottom-color:#8a6420}
.text-link::after{content:"→";font-size:13px;transition:transform .2s var(--ease)}
.text-link:hover::after{transform:translateX(3px)}
.link-light{color:#fff;border-bottom-color:rgba(255,255,255,.45)}
.link-light:hover{color:var(--stardust);border-bottom-color:var(--stardust)}

/* ---------- 标签 / 徽章 ---------- */
.tag{display:inline-block;font-size:12px;letter-spacing:.04em;font-weight:600;padding:4px 11px;border-radius:999px;background:rgba(27,23,48,.06);color:var(--ink-2);line-height:1.6}
.tag-gold{background:rgba(233,183,90,.2);color:#8a6420}
.tag-aurora{background:rgba(127,216,196,.22);color:#1f6f5c}
.tag-light{background:rgba(255,255,255,.14);color:#fff}
.tag-outline{background:transparent;border:1px solid var(--line);color:var(--muted)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;color:#fff;
  background:transparent;border-bottom:1px solid transparent;
  transition:background-color .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{background:#F7F5F1;color:var(--ink);border-bottom-color:var(--line);box-shadow:0 1px 2px rgba(27,23,48,.05)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:currentColor;flex:0 0 auto}
.brand-mark{display:inline-flex;color:currentColor;line-height:0}
.brand-mark .star-dot{transform-origin:16px 10px;animation:twinkle 3.6s ease-in-out infinite}
@keyframes twinkle{0%,100%{opacity:1}50%{opacity:.45}}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;display:inline-block;padding:8px 14px;font-size:15px;color:currentColor;opacity:.82;transition:opacity .2s var(--ease),transform .2s var(--ease),color .2s var(--ease)}
.nav-link:hover{opacity:1;transform:translateY(-1px)}
.site-header.is-scrolled .nav-link:hover{color:var(--ink)}
.site-header:not(.is-scrolled) .nav-link:hover{color:var(--stardust)}
.nav-link-item.is-active .nav-link{opacity:1;font-weight:600}
.nav-link-item.is-active .nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;background:var(--stardust)}
.nav-actions{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px;color:currentColor}
.nav-toggle span{display:block;width:22px;height:2px;border-radius:2px;background:currentColor;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle:hover span:nth-child(1){transform:translateX(2px)}
.nav-toggle:hover span:nth-child(3){transform:translateX(-2px)}
@media(max-width:991.98px){
  .nav-menu{display:none}
  .nav-toggle{display:flex}
  .nav-actions .btn-gold{display:none}
  .brand-name{font-size:16px}
}

/* ---------- 移动抽屉 ---------- */
.drawer{--bs-offcanvas-width:302px;background:var(--ink);color:#fff;border:0}
.drawer .offcanvas-header{padding:20px 22px;border-bottom:1px solid rgba(255,255,255,.1)}
.drawer-brand{font-size:16px;font-weight:700;color:#fff;letter-spacing:.01em}
.drawer .btn-close{filter:invert(1) grayscale(1);opacity:.65}
.drawer .offcanvas-body{padding:10px 22px 32px}
.drawer-menu li{border-bottom:1px solid rgba(255,255,255,.08)}
.drawer-menu a{display:block;line-height:3rem;font-size:15px;color:rgba(255,255,255,.84);padding-left:14px;border-left:3px solid transparent;transition:color .2s var(--ease),background-color .2s var(--ease)}
.drawer-menu a:hover{color:var(--stardust)}
.drawer-menu a.is-active{color:#fff;font-weight:600;border-left-color:var(--stardust);background:rgba(255,255,255,.04)}
.drawer-cta{width:100%;margin-top:26px}

/* ---------- 星点纹理 ---------- */
.star-field{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(1.6px 1.6px at 8% 24%,rgba(255,255,255,.60),transparent 62%),
    radial-gradient(1.2px 1.2px at 19% 71%,rgba(233,183,90,.70),transparent 62%),
    radial-gradient(1.4px 1.4px at 31% 18%,rgba(255,255,255,.42),transparent 62%),
    radial-gradient(1.1px 1.1px at 42% 58%,rgba(255,255,255,.52),transparent 62%),
    radial-gradient(1.8px 1.8px at 55% 33%,rgba(233,183,90,.55),transparent 62%),
    radial-gradient(1.2px 1.2px at 66% 76%,rgba(255,255,255,.40),transparent 62%),
    radial-gradient(1.5px 1.5px at 74% 21%,rgba(255,255,255,.55),transparent 62%),
    radial-gradient(1.1px 1.1px at 83% 62%,rgba(127,216,196,.55),transparent 62%),
    radial-gradient(1.7px 1.7px at 91% 38%,rgba(255,255,255,.50),transparent 62%),
    radial-gradient(1.2px 1.2px at 96% 82%,rgba(255,255,255,.34),transparent 62%);
}
.hero-glow{position:absolute;inset:0;pointer-events:none;background:radial-gradient(680px 320px at 84% 14%,rgba(46,38,80,.92),transparent 68%),radial-gradient(520px 280px at 6% 96%,rgba(46,38,80,.7),transparent 70%)}

/* ---------- 分类页头 ---------- */
.cat-hero{position:relative;background:var(--ink);color:#fff;padding:132px 0 72px;overflow:hidden}
.crumb{position:relative;display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.55);margin-bottom:30px}
.crumb a{color:rgba(255,255,255,.8)}
.crumb a:hover{color:var(--stardust)}
.crumb .sep{opacity:.45}
.cat-hero-inner{position:relative;display:flex;align-items:flex-end;justify-content:space-between;gap:40px}
.cat-hero-main{max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;color:var(--stardust);margin-bottom:18px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--stardust);opacity:.7}
.cat-hero h1{font-size:clamp(30px,4.2vw,46px);color:#fff;letter-spacing:.01em}
.cat-hero-sub{margin-top:16px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.7);max-width:520px}
.hero-stats{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}
.stat-chip{min-width:108px;padding:14px 18px;border-radius:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);transition:border-color .2s var(--ease),transform .2s var(--ease)}
.stat-chip:hover{border-color:rgba(233,183,90,.55);transform:translateY(-2px)}
.stat-num{display:block;font-size:24px;font-weight:700;color:var(--stardust);font-variant-numeric:tabular-nums;line-height:1.3}
.stat-label{display:block;font-size:12.5px;letter-spacing:.04em;color:rgba(255,255,255,.7)}
@media(max-width:991.98px){
  .cat-hero{padding:112px 0 56px}
  .cat-hero-inner{flex-direction:column;align-items:flex-start;gap:32px}
  .hero-stats{width:100%}
  .stat-chip{flex:1 1 30%;min-width:0}
}
@media(max-width:575.98px){
  .cat-hero{padding:104px 0 48px}
  .cat-hero-sub{font-size:15px}
  .hero-stats{gap:10px}
  .stat-chip{padding:12px 14px}
  .stat-num{font-size:20px}
}

/* ---------- 板块基础 ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
@media(max-width:991.98px){.section{padding:64px 0}.section-tight{padding:48px 0}}
@media(max-width:767.98px){.section{padding:48px 0}.section-tight{padding:40px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,32px)}
.section-head .lead{margin-top:12px;font-size:15px;color:var(--muted);max-width:660px;line-height:1.85}
@media(max-width:767.98px){.section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px}}

/* ---------- 对比矩阵 ---------- */
.matrix-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);overflow:hidden}
table.matrix{width:100%;border-collapse:collapse;font-size:15px}
.matrix thead th{background:var(--ink);color:#fff;font-size:14px;font-weight:600;letter-spacing:.02em;text-align:left;padding:18px 20px;white-space:nowrap}
.matrix thead th:first-child{width:28%}
.matrix thead th.col-star{background:var(--ink-2);color:var(--stardust);position:relative}
.matrix thead th.col-star::after{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--stardust)}
.matrix tbody td{padding:16px 20px;border-top:1px solid var(--line);vertical-align:middle;font-variant-numeric:tabular-nums}
.matrix tbody tr:hover td{background:#FBF9F5}
.matrix tbody td:first-child{font-weight:600;color:var(--ink)}
.matrix tbody td.cell-star{background:rgba(233,183,90,.07)}
.mark-yes{color:#1f6f5c;font-weight:700}
.mark-part{color:#8a6420;font-weight:600;font-size:14px}
.mark-no{color:#B4AFA4}
.matrix-note{margin-top:16px;font-size:13.5px;color:var(--muted)}
@media(max-width:767.98px){
  .matrix thead{display:none}
  table.matrix,table.matrix tbody,table.matrix tr,table.matrix td{display:block;width:100%}
  table.matrix{border-collapse:separate}
  .matrix tbody tr{border-top:1px solid var(--line);padding:14px 0}
  .matrix tbody tr:first-child{border-top:0}
  .matrix tbody td{border:0;padding:5px 18px;display:flex;align-items:center;justify-content:space-between;gap:16px}
  .matrix tbody td::before{content:attr(data-label);font-size:13.5px;color:var(--muted);font-weight:500}
  .matrix tbody td:first-child{padding:8px 18px 10px;font-size:16.5px;font-weight:700}
  .matrix tbody td:first-child::before{display:none}
  .matrix tbody td.cell-star{background:transparent}
  .matrix tbody td.cell-star:last-child{border-radius:0 0 12px 12px}
}

/* ---------- 等级排行 ---------- */
.rank-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);padding:8px 28px}
.rank-row{display:grid;grid-template-columns:64px minmax(0,1fr) 240px;gap:28px;align-items:center;padding:28px 0;border-top:1px solid var(--line)}
.rank-row:first-child{border-top:0}
.rank-no{font-size:28px;font-weight:700;color:var(--stardust);opacity:.9;font-variant-numeric:tabular-nums;line-height:1}
.rank-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.rank-top h3{font-size:20px}
.rank-desc{margin:10px 0 12px;font-size:15px;color:var(--muted);max-width:620px}
.meta-row{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13.5px;color:var(--muted)}
.meta-row span{position:relative;padding-left:14px}
.meta-row span::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--stardust)}
.meter{height:6px;border-radius:999px;background:#EDE9E1;overflow:hidden}
.meter span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--stardust),#F3D79C)}
.meter.meter-aurora span{background:linear-gradient(90deg,var(--aurora),#B2E9DC)}
.meter.meter-plain span{background:linear-gradient(90deg,#C9C3B8,#E0DBD2)}
.meter-label{display:block;margin-top:9px;font-size:12.5px;color:var(--muted);letter-spacing:.02em}
@media(max-width:991.98px){
  .rank-wrap{padding:4px 20px}
  .rank-row{grid-template-columns:48px minmax(0,1fr);gap:18px}
  .rank-meter{grid-column:2;width:100%}
}
@media(max-width:575.98px){
  .rank-row{grid-template-columns:1fr;gap:12px;padding:22px 0}
  .rank-no{font-size:22px}
  .rank-meter{grid-column:1}
}

/* ---------- 卡片网格 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
@media(max-width:1199.98px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:575.98px){.grid-4{grid-template-columns:1fr;gap:18px}}
.ex-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:14px;box-shadow:var(--shadow-1);transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease)}
.ex-card:hover{transform:translateY(-2px);border-color:rgba(233,183,90,.4);box-shadow:var(--shadow-2)}
.thumb{aspect-ratio:16/9;overflow:hidden;border-radius:var(--radius-img);background:var(--bg)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.ex-card:hover .thumb img{transform:scale(1.03)}
.ex-body{padding:16px 6px 6px;display:flex;flex-direction:column;flex:1 1 auto}
.ex-body h3{font-size:17px;margin:12px 0 8px}
.ex-body p{font-size:14.5px;color:var(--muted);line-height:1.8;margin-bottom:16px}
.ex-body .text-link{margin-top:auto;align-self:flex-start}

/* ---------- 双列清单 ---------- */
.checklist{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:28px}
@media(max-width:991.98px){.checklist{grid-template-columns:1fr}}
.check-col{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:26px 26px 18px;box-shadow:var(--shadow-1)}
.check-col li{display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:15.5px;color:var(--text);line-height:1.75}
.check-col li:last-child{border-bottom:0}
.check-dot{flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:rgba(233,183,90,.22);color:#8a6420;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:5px}
.notes-col{display:flex;flex-direction:column;gap:16px}
.note-item{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--stardust);border-radius:14px;padding:20px 22px;box-shadow:var(--shadow-1);transition:transform .2s var(--ease)}
.note-item:hover{transform:translateY(-2px)}
.note-item h4{font-size:16px;margin-bottom:8px}
.note-item p{font-size:14.5px;color:var(--muted);line-height:1.85}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq .accordion-item{border:0;background:transparent}
.faq .accordion-item:last-child{border-bottom:1px solid var(--line)}
.faq .accordion-button{position:relative;background:transparent;box-shadow:none;border-radius:0;padding:22px 52px 22px 18px;font-size:17px;font-weight:600;color:var(--ink);transition:color .2s var(--ease)}
.faq .accordion-button:not(.collapsed){background:transparent;color:var(--ink)}
.faq .accordion-button::before{content:"";position:absolute;left:0;top:19px;bottom:19px;width:3px;border-radius:2px;background:transparent;transition:background-color .18s var(--ease)}
.faq .accordion-button:not(.collapsed)::before{background:var(--stardust)}
.faq .accordion-button::after{content:"";position:absolute;right:18px;top:50%;width:10px;height:10px;margin:0;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);background-image:none;transform:translateY(-70%) rotate(45deg);transition:transform .18s var(--ease),border-color .18s var(--ease)}
.faq .accordion-button:not(.collapsed)::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--stardust)}
.faq .accordion-button:focus{box-shadow:none}
.faq .accordion-body{padding:0 52px 24px 18px;font-size:15px;line-height:1.9;color:var(--muted)}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink);border-radius:var(--radius-lg);padding:56px 48px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-band h2{position:relative;font-size:clamp(22px,2.6vw,30px);color:#fff}
.cta-band p{position:relative;margin-top:12px;font-size:15px;color:rgba(255,255,255,.72);max-width:520px}
.cta-actions{position:relative;display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}
@media(max-width:991.98px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 28px}
}
@media(max-width:575.98px){
  .cta-band{padding:34px 20px;border-radius:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}
.back-home{margin-top:26px;text-align:center;font-size:14.5px;color:var(--muted)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:72px 0 0;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:0}
.footer-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.1)}
.footer-col:first-child{border-left:0;padding-left:0}
.footer-col:last-child{padding-right:0}
.footer-brand{color:#fff}
.footer-desc{margin:16px 0 8px;font-size:14px;color:rgba(255,255,255,.66);line-height:1.8}
.footer-meta{font-size:13px;color:rgba(255,255,255,.44);margin:0}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-links a:hover{color:var(--stardust)}
.footer-bottom{margin-top:52px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,.46)}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:var(--stardust)}
@media(max-width:991.98px){
  .site-footer{padding-top:56px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 0}
  .footer-col:nth-child(odd){border-left:0;padding-left:0}
  .footer-col{padding:0 20px 0 0}
}
@media(max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-col{padding:0;border-left:0}
}

/* ---------- 返回顶部 ---------- */
.to-top{position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-2);opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease),background-color .2s var(--ease);z-index:1040}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--ink-2);transform:translateY(-2px)}
@media(max-width:575.98px){.to-top{right:16px;bottom:18px;width:42px;height:42px}}