/* roulang page: index */
:root{
  --gb-bg:#F7F4EF;
  --gb-paper:#FFFFFF;
  --gb-ink:#121417;
  --gb-ink-2:#6B7078;
  --gb-line:#E4DFD7;
  --gb-accent:#E0522A;
  --gb-accent-dark:#C74622;
  --gb-accent-soft:#FBEDE7;
  --gb-green:#1F6B57;
  --gb-night:#16181C;
  --gb-night-text:#F2EEE8;
  --gb-red:#B3261E;
  --gb-r:6px;
  --gb-r-sm:4px;
  --gb-shadow:0 18px 40px -28px rgba(18,20,23,.35);
  --gb-shadow-lg:0 26px 54px -28px rgba(18,20,23,.5);
  --gb-t:200ms cubic-bezier(.2,.7,.2,1);
  --gb-space:104px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--gb-bg);color:var(--gb-ink);font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;letter-spacing:.01em;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.015em;font-weight:800}
p{margin:0}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--gb-t),border-color var(--gb-t),background-color var(--gb-t)}
button{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.gb-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
:focus-visible{outline:3px solid rgba(224,82,42,.34);outline-offset:2px;border-radius:var(--gb-r-sm)}

/* 顶部活动条 */
.gb-topbar{background:var(--gb-ink);color:rgba(242,238,232,.86);font-size:13px;letter-spacing:.02em}
.gb-topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px}
.gb-status{display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.gb-status__dot{width:7px;height:7px;border-radius:999px;background:#3DBB8C;box-shadow:0 0 0 3px rgba(61,187,140,.18)}
.gb-topbar__mid{display:flex;align-items:center;gap:8px;color:#fff;font-size:13px}
.gb-topbar__mid .gb-count{font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:.08em;color:#FFD9CB}
.gb-topbar__login{color:#fff;border-bottom:1px solid rgba(255,255,255,.4);padding-bottom:1px}
.gb-topbar__login:hover{color:#FFD9CB;border-color:#FFD9CB}

/* 主导航 */
.gb-header{position:sticky;top:0;z-index:1030;background:rgba(247,244,239,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--gb-line);transition:box-shadow var(--gb-t)}
.gb-header.is-stuck{box-shadow:0 12px 28px -22px rgba(18,20,23,.6)}
.gb-header__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.gb-logo{display:flex;flex-direction:column;justify-content:center;line-height:1.1}
.gb-logo__top{font-size:17px;font-weight:800;letter-spacing:-.01em}
.gb-logo__bottom{font-size:11px;letter-spacing:.14em;color:var(--gb-ink-2);margin-top:3px}
.gb-nav{display:flex;align-items:center;gap:26px}
.gb-nav a{position:relative;font-size:15px;font-weight:500;color:#3C4048;padding:6px 0}
.gb-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--gb-accent);transform:scaleX(0);transform-origin:left;transition:transform var(--gb-t)}
.gb-nav a:hover{color:var(--gb-ink)}
.gb-nav a:hover::after,.gb-nav a.is-active::after{transform:scaleX(1)}
.gb-nav a.is-active{font-weight:700;color:var(--gb-ink)}
.gb-header__actions{display:flex;align-items:center;gap:12px}
.gb-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:background-color var(--gb-t),color var(--gb-t),border-color var(--gb-t),transform var(--gb-t),box-shadow var(--gb-t)}
.gb-btn--primary{background:var(--gb-accent);color:#fff;box-shadow:0 10px 22px -16px rgba(224,82,42,.9)}
.gb-btn--primary:hover{background:var(--gb-accent-dark);color:#fff;transform:translateY(-1px)}
.gb-btn--primary:active{transform:translateY(0)}
.gb-btn--ghost{background:transparent;color:var(--gb-ink);border-color:var(--gb-ink)}
.gb-btn--ghost:hover{background:var(--gb-ink);color:var(--gb-bg)}
.gb-btn--sm{height:38px;padding:0 18px;font-size:14px}
.gb-btn--block{width:100%}
.gb-burger{display:none;width:42px;height:42px;border:1px solid var(--gb-line);background:var(--gb-paper);border-radius:var(--gb-r-sm);align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer}
.gb-burger span{display:block;width:18px;height:2px;background:var(--gb-ink);border-radius:2px}
.gb-drawer{position:fixed;inset:0;z-index:1090;background:var(--gb-bg);transform:translateY(-102%);transition:transform 260ms cubic-bezier(.2,.7,.2,1);display:flex;flex-direction:column;padding:20px 24px 32px;overflow-y:auto}
.gb-drawer.is-open{transform:translateY(0)}
.gb-drawer__head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--gb-line)}
.gb-drawer__close{width:42px;height:42px;border:1px solid var(--gb-line);background:var(--gb-paper);border-radius:var(--gb-r-sm);font-size:20px;line-height:1;cursor:pointer}
.gb-drawer__count{display:flex;align-items:center;gap:10px;margin:20px 0;padding:14px 16px;background:var(--gb-night);color:var(--gb-night-text);border-radius:var(--gb-r);font-size:13px}
.gb-drawer__count .gb-count{font-variant-numeric:tabular-nums;letter-spacing:.08em;font-weight:700;color:#FFD9CB}
.gb-drawer__nav{display:flex;flex-direction:column;gap:2px;margin-bottom:24px}
.gb-drawer__nav a{padding:15px 4px;border-bottom:1px solid var(--gb-line);font-size:16px;font-weight:600}
.gb-drawer__nav a.is-active{color:var(--gb-accent)}
.gb-drawer__actions{display:flex;flex-direction:column;gap:12px;margin-top:auto}
.gb-drawer__actions .gb-btn{height:48px;width:100%}

/* Hero */
.gb-hero{padding:74px 0 84px}
.gb-hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.gb-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border:1px solid var(--gb-line);border-radius:999px;background:var(--gb-paper);font-size:13px;color:var(--gb-ink-2);letter-spacing:.04em;margin-bottom:22px}
.gb-eyebrow i{width:6px;height:6px;border-radius:999px;background:var(--gb-green);display:inline-block}
.gb-hero h1{font-size:clamp(34px,4.6vw,58px);font-weight:800;letter-spacing:-.02em;line-height:1.1}
.gb-hero h1 em{font-style:normal;color:var(--gb-accent)}
.gb-hero__sub{margin-top:22px;font-size:18px;line-height:1.7;color:var(--gb-ink-2);max-width:30em}
.gb-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.gb-hero__trust{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.gb-chip{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:#EFEAE2;color:#4A4E55;font-size:13px}
.gb-chip b{color:var(--gb-green);font-weight:700}
.gb-hero__visual{position:relative;border-radius:var(--gb-r);overflow:hidden;box-shadow:var(--gb-shadow-lg);border:1px solid rgba(18,20,23,.08)}
.gb-hero__visual img{width:100%;aspect-ratio:4/5;object-fit:cover}
.gb-hero__visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,20,23,.06) 0%,rgba(18,20,23,.42) 100%)}
.gb-hero__badge{position:absolute;left:18px;right:18px;bottom:18px;z-index:2;background:rgba(22,24,28,.86);color:var(--gb-night-text);border-radius:var(--gb-r);padding:14px 16px;font-size:13px;line-height:1.6;border:1px solid rgba(255,255,255,.14)}
.gb-hero__badge strong{display:block;font-size:14px;color:#fff;margin-bottom:2px}

/* 数据横条 */
.gb-stats{border-top:1px solid var(--gb-line);border-bottom:1px solid var(--gb-line);background:rgba(255,255,255,.5)}
.gb-stats__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.gb-stat{padding:34px 28px;border-right:1px solid var(--gb-line)}
.gb-stat:last-child{border-right:0}
.gb-stat__num{font-size:44px;font-weight:800;line-height:1;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.gb-stat__num span{font-size:18px;font-weight:700;margin-left:6px;letter-spacing:0}
.gb-stat__label{margin-top:10px;font-size:14px;color:var(--gb-ink-2)}

/* 板块通用 */
.gb-section{padding:var(--gb-space) 0}
.gb-section--tight{padding:72px 0}
.gb-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.gb-head h2{font-size:clamp(24px,3vw,38px);font-weight:800;letter-spacing:-.02em}
.gb-head p{margin-top:12px;color:var(--gb-ink-2);font-size:16px;max-width:52em}
.gb-more{font-size:15px;font-weight:600;border-bottom:1px solid var(--gb-ink);padding-bottom:2px;white-space:nowrap}
.gb-more:hover{color:var(--gb-accent);border-color:var(--gb-accent)}

/* 权益对比表 */
.gb-table-wrap{background:var(--gb-paper);border:1px solid var(--gb-line);border-radius:var(--gb-r);overflow:hidden;box-shadow:var(--gb-shadow)}
.gb-table{width:100%;border-collapse:collapse;font-size:15px}
.gb-table thead th{background:var(--gb-ink);color:var(--gb-night-text);text-align:left;padding:20px 22px;font-weight:700;font-size:15px;vertical-align:middle;border-bottom:1px solid rgba(255,255,255,.12)}
.gb-table thead th span{display:block;font-size:12px;font-weight:500;color:rgba(242,238,232,.62);letter-spacing:.04em;margin-top:4px;font-variant-numeric:tabular-nums}
.gb-table thead th.is-featured{background:var(--gb-accent);color:#fff;position:relative}
.gb-table thead th.is-featured span{color:rgba(255,255,255,.78)}
.gb-pill{display:inline-block;margin-left:8px;padding:2px 10px;border-radius:999px;background:#fff;color:var(--gb-accent);font-size:11px;font-weight:700;letter-spacing:.06em;vertical-align:middle}
.gb-table tbody th,.gb-table tbody td{padding:16px 22px;border-bottom:1px solid var(--gb-line);text-align:left;font-weight:500}
.gb-table tbody th{color:var(--gb-ink);font-weight:600;background:#FCFBF8}
.gb-table tbody td{color:#3C4048}
.gb-table tbody tr:hover td,.gb-table tbody tr:hover th{background:#F5F1EA}
.gb-table tbody tr:hover td.is-featured{background:#F8E3DA}
.gb-table td.is-featured{background:var(--gb-accent-soft)}
.gb-table .yes{color:var(--gb-green);font-weight:700}
.gb-table .no{color:#A9ACB2}
.gb-table tbody tr:last-child th,.gb-table tbody tr:last-child td{border-bottom:0}

/* 等级亮点 */
.gb-tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.gb-tier{position:relative;background:var(--gb-paper);border:1px solid var(--gb-line);border-radius:var(--gb-r);padding:32px 28px 30px;box-shadow:var(--gb-shadow);transition:transform var(--gb-t),box-shadow var(--gb-t),border-color var(--gb-t);overflow:hidden}
.gb-tier:hover{transform:translateY(-4px);box-shadow:var(--gb-shadow-lg);border-color:#CFC8BC}
.gb-tier--raise{margin-top:-28px}
.gb-tier__no{font-size:96px;font-weight:800;line-height:.8;letter-spacing:-.05em;color:rgba(18,20,23,.08);display:block;margin-bottom:6px;font-variant-numeric:tabular-nums}
.gb-tier h3{font-size:20px;font-weight:800}
.gb-tier__desc{margin-top:10px;font-size:14px;color:var(--gb-ink-2);line-height:1.7}
.gb-tier ul{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.gb-tier li{display:flex;gap:10px;font-size:14px;line-height:1.6;color:#3C4048}
.gb-tier li::before{content:"✓";color:var(--gb-green);font-weight:700;flex:0 0 auto}
.gb-tier__link{display:inline-flex;align-items:center;gap:6px;margin-top:24px;font-size:14px;font-weight:700;border-bottom:1px solid currentColor;padding-bottom:2px}
.gb-tier__link:hover{color:var(--gb-accent)}
.gb-tier--dark{background:var(--gb-night);border-color:#24272D;color:var(--gb-night-text)}
.gb-tier--dark h3{color:#fff}
.gb-tier--dark .gb-tier__no{color:rgba(242,238,232,.16)}
.gb-tier--dark .gb-tier__desc{color:rgba(242,238,232,.7)}
.gb-tier--dark li{color:rgba(242,238,232,.9)}
.gb-tier--dark .gb-tier__link{color:#fff}
.gb-tier--dark .gb-tier__link:hover{color:#FFB79E}

/* 内容预览 */
.gb-gallery{display:grid;grid-template-columns:1.15fr .85fr;grid-template-rows:auto auto auto;gap:24px}
.gb-gal{position:relative;display:block;border-radius:var(--gb-r);overflow:hidden;border:1px solid var(--gb-line);background:var(--gb-night);min-height:200px}
.gb-gal img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s cubic-bezier(.2,.7,.2,1);position:absolute;inset:0}
.gb-gal:hover img{transform:scale(1.03)}
.gb-gal::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,20,23,.05) 30%,rgba(18,20,23,.78) 100%)}
.gb-gal__body{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:flex-end;height:100%;padding:24px;color:#fff;min-height:200px}
.gb-gal__tag{align-self:flex-start;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);color:#fff;font-size:12px;padding:3px 10px;border-radius:999px;margin-bottom:auto;letter-spacing:.04em}
.gb-gal h3{font-size:19px;font-weight:800;color:#fff;margin-top:18px}
.gb-gal p{margin-top:8px;font-size:13.5px;line-height:1.65;color:rgba(255,255,255,.84);max-width:34em}
.gb-gal--feature{grid-row:span 2;min-height:420px}
.gb-gal--feature .gb-gal__body{min-height:420px;padding:30px}
.gb-gal--feature h3{font-size:26px}
.gb-gal--wide{grid-column:1 / -1;min-height:210px}
.gb-gal--wide .gb-gal__body{min-height:210px}

/* 资讯列表 */
.gb-news{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.gb-news-card{background:var(--gb-paper);border:1px solid var(--gb-line);border-radius:var(--gb-r);box-shadow:var(--gb-shadow);transition:transform var(--gb-t),box-shadow var(--gb-t),border-color var(--gb-t);height:100%}
.gb-news-card:hover{transform:translateY(-4px);box-shadow:var(--gb-shadow-lg);border-color:#CFC8BC}
.gb-news-card__link{display:flex;flex-direction:column;height:100%;padding:26px 26px 22px}
.gb-tag{display:inline-block;align-self:flex-start;padding:3px 11px;border-radius:999px;background:var(--gb-accent-soft);color:var(--gb-accent-dark);font-size:12px;font-weight:700;letter-spacing:.04em}
.gb-news-card__title{margin-top:16px;font-size:18px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.gb-news-card__desc{margin-top:10px;font-size:14px;color:var(--gb-ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.gb-news-card__meta{margin-top:22px;padding-top:16px;border-top:1px solid var(--gb-line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--gb-ink-2);font-variant-numeric:tabular-nums}
.gb-news-card__more{color:var(--gb-accent);font-weight:700;white-space:nowrap}
.gb-empty{grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-height:180px;background:#F1EDE6;border:1px dashed #D5CEC2;border-radius:var(--gb-r);color:var(--gb-ink-2);font-size:15px}
.gb-empty a{color:var(--gb-accent);font-weight:700;border-bottom:1px solid currentColor}

/* FAQ */
.gb-faq{max-width:900px}
.gb-faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--gb-line)}
.gb-faq .accordion-button{background:transparent;box-shadow:none;padding:24px 44px 24px 0;font-size:17px;font-weight:600;color:var(--gb-ink);line-height:1.55}
.gb-faq .accordion-button:not(.collapsed){color:var(--gb-accent-dark);background:transparent;box-shadow:none}
.gb-faq .accordion-button::after{content:"";position:absolute;right:6px;top:50%;width:13px;height:13px;margin:0;transform:translateY(-50%) rotate(0);background:none;border-right:2px solid var(--gb-ink-2);border-bottom:2px solid var(--gb-ink-2);transition:transform var(--gb-t)}
.gb-faq .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(45deg);border-color:var(--gb-accent)}
.gb-faq .accordion-button:focus{box-shadow:none}
.gb-faq .accordion-body{padding:0 60px 26px 0;background:#FBFAF7;font-size:15px;line-height:1.8;color:#3C4048;border-radius:0 0 var(--gb-r) var(--gb-r);padding-left:20px}

/* 深色 CTA */
.gb-cta-block{background:var(--gb-night);color:var(--gb-night-text);border-radius:10px;padding:56px 56px;display:grid;grid-template-columns:1.4fr 1fr;gap:44px;align-items:center;box-shadow:var(--gb-shadow-lg)}
.gb-cta-block h2{font-size:clamp(24px,3vw,36px);color:#fff;letter-spacing:-.02em}
.gb-cta-block p{margin-top:16px;color:rgba(242,238,232,.76);font-size:16px;line-height:1.75}
.gb-cta-block__actions{display:flex;flex-direction:column;gap:12px}
.gb-cta-block__actions .gb-btn--ghost{color:var(--gb-night-text);border-color:rgba(242,238,232,.5)}
.gb-cta-block__actions .gb-btn--ghost:hover{background:var(--gb-night-text);color:var(--gb-ink)}
.gb-cta-note{font-size:13px;color:rgba(242,238,232,.6);text-align:center}

/* 页脚 */
.gb-footer{background:var(--gb-ink);color:rgba(242,238,232,.72);padding:72px 0 0;margin-top:var(--gb-space)}
.gb-footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:52px}
.gb-footer__brand .gb-logo__top{color:#fff;font-size:19px}
.gb-footer__brand .gb-logo__bottom{color:rgba(242,238,232,.55)}
.gb-footer__brand p{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(242,238,232,.64);max-width:26em}
.gb-footer h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:18px}
.gb-footer li+li{margin-top:11px}
.gb-footer a{font-size:14px;color:rgba(242,238,232,.72)}
.gb-footer a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.gb-footer__bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(242,238,232,.5)}
.gb-footer__bottom .gb-num{letter-spacing:.04em}

/* 动效 */
.gb-reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms cubic-bezier(.2,.7,.2,1),transform 520ms cubic-bezier(.2,.7,.2,1)}
.gb-reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .gb-reveal{opacity:1;transform:none}
}

/* 响应式 */
@media (max-width:1199px){
  :root{--gb-space:88px}
  .gb-hero__grid{gap:40px}
  .gb-cta-block{padding:44px 36px}
}
@media (max-width:991px){
  :root{--gb-space:72px}
  .gb-nav,.gb-header__actions{display:none}
  .gb-burger{display:inline-flex}
  .gb-hero__grid{grid-template-columns:1fr;gap:36px}
  .gb-hero{padding:52px 0 60px}
  .gb-hero__visual img{aspect-ratio:16/10}
  .gb-gallery{grid-template-columns:1fr}
  .gb-gal--feature{grid-row:auto;min-height:300px}
  .gb-gal--feature .gb-gal__body{min-height:300px}
  .gb-gal--wide{grid-column:auto}
  .gb-tiers{grid-template-columns:1fr;gap:20px}
  .gb-tier--raise{margin-top:0}
  .gb-news{grid-template-columns:repeat(2,1fr)}
  .gb-cta-block{grid-template-columns:1fr;padding:40px 28px;gap:28px}
  .gb-footer__grid{grid-template-columns:1fr 1fr;gap:32px}
  .gb-stat{padding:26px 20px}
  .gb-stat__num{font-size:34px}
}
@media (max-width:767px){
  .gb-table-wrap{border:0;box-shadow:none;background:transparent}
  .gb-table{display:block;font-size:14px}
  .gb-table thead{display:none}
  .gb-table tbody,.gb-table tr,.gb-table th,.gb-table td{display:block;width:100%}
  .gb-table tbody tr{background:var(--gb-paper);border:1px solid var(--gb-line);border-radius:var(--gb-r);margin-bottom:16px;overflow:hidden;box-shadow:var(--gb-shadow)}
  .gb-table tbody th{background:var(--gb-ink);color:var(--gb-night-text);border-bottom:0;padding:14px 18px;font-size:15px;font-weight:700}
  .gb-table tbody td{padding:12px 18px;background:transparent !important;border-bottom:1px solid var(--gb-line);display:flex;justify-content:space-between;gap:16px}
  .gb-table tbody td::before{content:attr(data-label);color:var(--gb-ink-2);font-size:13px;font-weight:500}
  .gb-table tbody tr:last-child td:last-child{border-bottom:0}
}
@media (max-width:575px){
  :root{--gb-space:48px}
  .shell{padding:0 18px}
  .gb-header__inner{height:62px}
  .gb-topbar__inner{height:34px}
  .gb-topbar__mid span:first-child{display:none}
  .gb-hero h1{font-size:clamp(28px,8vw,38px)}
  .gb-hero__sub{font-size:16px}
  .gb-hero__actions .gb-btn{width:100%}
  .gb-stats__grid{grid-template-columns:1fr}
  .gb-stat{border-right:0;border-bottom:1px solid var(--gb-line);padding:22px 18px}
  .gb-stat:last-child{border-bottom:0}
  .gb-news{grid-template-columns:1fr}
  .gb-footer__grid{grid-template-columns:1fr;gap:28px}
  .gb-footer{padding-top:52px;margin-top:56px}
  .gb-faq .accordion-button{font-size:16px;padding-right:38px}
  .gb-faq .accordion-body{padding-right:12px}
  .gb-gal__body{padding:18px}
  .gb-tier{padding:26px 22px}
}

/* roulang page: article */
:root{
  --ink:#121417;
  --ink-2:#16181C;
  --paper:#F7F4EF;
  --card:#FFFFFF;
  --muted:#6B7078;
  --line:#E4DFD7;
  --accent:#E0522A;
  --accent-dark:#C8441F;
  --accent-soft:#FBEDE7;
  --green:#1F6B57;
  --night-text:#F2EEE8;
  --radius:6px;
  --radius-pill:999px;
  --shadow:0 18px 40px -28px rgba(18,20,23,.35);
  --shadow-hover:0 22px 46px -26px rgba(18,20,23,.45);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
button{font:inherit}
h1,h2,h3,h4{margin:0;line-height:1.22;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.gb-num{font-variant-numeric:tabular-nums}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (max-width:575px){.shell{padding:0 18px}}

/* ---------- 按钮 ---------- */
.gb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:4px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;text-align:center;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.gb-btn--sm{height:36px;padding:0 16px;font-size:14px}
.gb-btn--primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.gb-btn--primary:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-1px)}
.gb-btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.gb-btn--ghost:hover{background:var(--ink);color:var(--paper)}
.gb-btn--light{background:transparent;color:var(--night-text);border-color:rgba(255,255,255,.42)}
.gb-btn--light:hover{background:var(--night-text);color:var(--ink);border-color:var(--night-text)}
.gb-btn:focus-visible{outline:3px solid rgba(224,82,42,.28);outline-offset:2px}
.gb-btn[disabled]{opacity:.45;cursor:not-allowed}

/* ---------- 头部导航 ---------- */
.gb-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,239,.95);
  -webkit-backdrop-filter:saturate(150%) blur(8px);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.gb-header.is-scrolled{box-shadow:0 12px 28px -22px rgba(18,20,23,.55)}
.gb-header__inner{display:flex;align-items:center;gap:26px;height:68px}
.gb-logo{display:flex;flex-direction:column;line-height:1.05;flex:none}
.gb-logo__top{font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.gb-logo__bottom{font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--muted);margin-top:3px}
.gb-nav{display:flex;align-items:center;gap:22px;margin-left:auto}
.gb-nav a{position:relative;padding:6px 0;font-size:15px;font-weight:500;color:#343940;white-space:nowrap}
.gb-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}
.gb-nav a:hover{color:var(--ink)}
.gb-nav a:hover::after,.gb-nav a.is-active::after{transform:scaleX(1)}
.gb-nav a.is-active{color:var(--ink);font-weight:700}
.gb-header__actions{display:flex;align-items:center;gap:10px;flex:none}
.gb-burger{
  display:none;margin-left:auto;width:42px;height:42px;padding:0;
  border:1px solid var(--line);border-radius:6px;background:#fff;
  position:relative;cursor:pointer;transition:border-color .18s var(--ease)
}
.gb-burger:hover{border-color:#CFC8BC}
.gb-burger span{position:absolute;left:11px;right:11px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease),opacity .16s var(--ease)}
.gb-burger span:nth-child(1){top:14px}
.gb-burger span:nth-child(2){top:20px}
.gb-burger span:nth-child(3){top:26px}
.gb-burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.gb-burger.is-open span:nth-child(2){opacity:0}
.gb-burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.gb-burger:focus-visible{outline:3px solid rgba(224,82,42,.28);outline-offset:2px}
.gb-drawer{display:none;position:fixed;left:0;right:0;top:68px;bottom:0;z-index:55;background:var(--paper);padding:20px 18px 40px;overflow-y:auto}
.gb-drawer.is-open{display:block}
.gb-drawer nav a{display:flex;align-items:center;min-height:50px;padding:0 4px;border-bottom:1px solid var(--line);font-size:16px;font-weight:600;color:#2B3037}
.gb-drawer nav a.is-active{color:var(--accent)}
.gb-drawer__cta{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.gb-drawer__cta .gb-btn{width:100%;height:48px}
body.gb-no-scroll{overflow:hidden}
@media (max-width:991px){
  .gb-nav,.gb-header__actions{display:none}
  .gb-burger{display:block}
}
@media (min-width:992px){
  .gb-drawer{display:none !important}
}

/* ---------- 文章头部 ---------- */
.gb-article-hero{
  position:relative;
  padding:46px 0 40px;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(247,244,239,.93),rgba(247,244,239,.99)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
}
.gb-article-hero__inner{max-width:880px}
.gb-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;letter-spacing:.02em;color:var(--muted);margin-bottom:22px}
.gb-crumb a{color:var(--muted);border-bottom:1px solid transparent;padding-bottom:1px}
.gb-crumb a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.gb-crumb .sep{color:#C4BDB1}
.gb-crumb .is-current{color:#33383E;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.gb-kicker{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:var(--radius-pill);background:var(--accent-soft);color:#A83C1B;font-size:13px;font-weight:600;margin-bottom:18px}
.gb-kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.gb-article-title{font-size:clamp(28px,3.6vw,44px);font-weight:800;letter-spacing:-.02em;line-height:1.22;color:var(--ink)}
.gb-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:20px;font-size:13.5px;color:var(--muted);letter-spacing:.02em}
.gb-meta .gb-dot{width:4px;height:4px;border-radius:50%;background:#C9C3B8}
.gb-meta .gb-meta__tag{color:var(--green);font-weight:600}

/* ---------- 正文 ---------- */
.gb-article-body{padding:64px 0 76px}
.gb-prose{max-width:760px;margin:0 auto;font-size:17px;line-height:1.85;color:#24282D;word-break:break-word}
.gb-prose>*:first-child{margin-top:0}
.gb-prose p{margin:0 0 1.15em}
.gb-prose h2{
  font-size:clamp(21px,2.4vw,27px);font-weight:700;line-height:1.38;color:var(--ink);
  margin:2.1em 0 .8em;padding-left:14px;border-left:3px solid var(--accent);
}
.gb-prose h3{font-size:19px;font-weight:700;color:var(--ink);margin:1.8em 0 .6em}
.gb-prose h4{font-size:17px;font-weight:700;color:var(--ink);margin:1.6em 0 .5em}
.gb-prose ul,.gb-prose ol{padding-left:1.5em;margin:0 0 1.2em;list-style:revert}
.gb-prose li{margin:.38em 0}
.gb-prose a{color:var(--accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.gb-prose a:hover{text-decoration-thickness:2px;color:var(--accent-dark)}
.gb-prose strong{font-weight:700;color:var(--ink)}
.gb-prose blockquote{
  margin:1.7em 0;padding:18px 22px;background:#FBFAF7;
  border-left:4px solid var(--accent);border-radius:0 6px 6px 0;color:#3A3F45;
}
.gb-prose blockquote p:last-child{margin-bottom:0}
.gb-prose img{width:100%;height:auto;border-radius:6px;margin:1.6em 0 .7em;border:1px solid var(--line)}
.gb-prose figure{margin:1.6em 0}
.gb-prose figcaption{font-size:13px;letter-spacing:.02em;color:var(--muted);text-align:center}
.gb-prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;background:var(--card)}
.gb-prose thead th{background:var(--ink);color:var(--night-text);font-weight:600;text-align:left;padding:12px 14px;border:1px solid var(--ink)}
.gb-prose td{padding:12px 14px;border:1px solid var(--line);vertical-align:top}
.gb-prose tbody tr:nth-child(even) td{background:#FBFAF7}
.gb-prose hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}
.gb-prose code{background:#F1EDE6;padding:2px 6px;border-radius:4px;font-size:.92em;color:#33383E}
@media (max-width:575px){
  .gb-prose{font-size:16px;line-height:1.8}
  .gb-article-body{padding:44px 0 56px}
}

/* 空态 */
.gb-empty{
  padding:48px 26px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);text-align:center;
}
.gb-empty h2{font-size:22px;font-weight:700;margin-bottom:10px}
.gb-empty p{font-size:15px;color:var(--muted);margin-bottom:24px}

/* 说明块 */
.gb-disclaimer{
  max-width:760px;margin:44px auto 0;padding:20px 22px;
  background:#FBFAF7;border:1px solid var(--line);border-radius:var(--radius);
}
.gb-disclaimer h2{font-size:13px;font-weight:700;letter-spacing:.08em;color:#33383E;margin-bottom:8px}
.gb-disclaimer p{font-size:13px;line-height:1.85;color:var(--muted)}
.gb-disclaimer p+p{margin-top:6px}
.gb-backline{max-width:760px;margin:28px auto 0;font-size:14px}
.gb-backline a{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--accent);
  border-bottom:1px solid currentColor;padding-bottom:2px;
}
.gb-backline a:hover{color:var(--accent-dark);border-bottom-width:2px}

/* ---------- 相关推荐 ---------- */
.gb-related{padding:0 0 84px}
.gb-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:28px}
.gb-section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700}
.gb-section-head p{font-size:14px;color:var(--muted);margin-top:8px}
.gb-link{font-size:14px;font-weight:600;color:var(--accent);border-bottom:1px solid currentColor;padding-bottom:2px;white-space:nowrap}
.gb-link:hover{color:var(--accent-dark);border-bottom-width:2px}
.gb-grid{display:grid;gap:24px}
.gb-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.gb-card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.gb-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D8D1C6}
.gb-card__media{aspect-ratio:16/9;overflow:hidden;background:#EDE8E0}
.gb-card__media img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.gb-card:hover .gb-card__media img{transform:scale(1.03)}
.gb-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.gb-card__tag{align-self:flex-start;font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--green);background:rgba(31,107,87,.1);padding:4px 10px;border-radius:var(--radius-pill)}
.gb-card__title{font-size:17px;font-weight:700;line-height:1.45;color:var(--ink)}
.gb-card__desc{font-size:14px;line-height:1.7;color:var(--muted)}
.gb-card__foot{margin-top:auto;padding-top:8px;font-size:13px;font-weight:600;color:var(--accent)}
@media (max-width:991px){.gb-grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:575px){.gb-grid--3{grid-template-columns:1fr}}

/* ---------- CTA ---------- */
.gb-cta{background:var(--ink);color:var(--night-text);padding:58px 0}
.gb-cta__inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.gb-cta h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--night-text);letter-spacing:-.01em}
.gb-cta p{margin-top:12px;font-size:15px;line-height:1.78;color:rgba(242,238,232,.72);max-width:620px}
.gb-cta__actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.gb-footer{background:var(--ink-2);color:rgba(242,238,232,.72);padding:64px 0 0}
.gb-footer__grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:46px}
.gb-footer__brand .gb-logo__top{color:var(--night-text)}
.gb-footer__brand .gb-logo__bottom{color:rgba(242,238,232,.52)}
.gb-footer__brand p{margin-top:16px;font-size:14px;line-height:1.82;max-width:330px;color:rgba(242,238,232,.66)}
.gb-footer h4{font-size:14px;font-weight:700;color:var(--night-text);margin-bottom:16px;letter-spacing:.04em}
.gb-footer ul li{margin-bottom:10px;font-size:14px;color:rgba(242,238,232,.66)}
.gb-footer a{color:rgba(242,238,232,.66)}
.gb-footer a:hover{color:var(--night-text);text-decoration:underline;text-underline-offset:3px}
.gb-footer__bottom{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;font-size:13px;color:rgba(242,238,232,.52)}
@media (max-width:991px){
  .gb-footer__grid{grid-template-columns:1fr 1fr;gap:32px;padding-bottom:36px}
}
@media (max-width:575px){
  .gb-footer__grid{grid-template-columns:1fr;gap:28px}
  .gb-footer{padding-top:48px}
  .gb-cta{padding:44px 0}
}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
  .gb-card:hover,.gb-btn:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --gb-bg:#F7F4EF;
  --gb-card:#FFFFFF;
  --gb-ink:#121417;
  --gb-muted:#6B7078;
  --gb-line:#E4DFD7;
  --gb-accent:#E0522A;
  --gb-accent-dark:#C84722;
  --gb-accent-soft:#FBEDE7;
  --gb-green:#1F6B57;
  --gb-night:#16181C;
  --gb-night-text:#F2EEE8;
  --gb-night-line:rgba(255,255,255,.12);
  --gb-radius:8px;
  --gb-radius-sm:4px;
  --gb-pill:999px;
  --gb-shadow:0 18px 40px -28px rgba(18,20,23,.35);
  --gb-shadow-hover:0 22px 48px -24px rgba(18,20,23,.45);
  --gb-ease:cubic-bezier(.2,.7,.2,1);
  --gb-shell:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Inter","Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--gb-ink);
  background:var(--gb-bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s var(--gb-ease);}
a:hover{color:inherit;}
button{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.16;font-weight:800;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid rgba(224,82,42,.55);outline-offset:3px;}
.shell{width:100%;max-width:var(--gb-shell);margin:0 auto;padding:0 24px;}

/* ---------- 顶部活动条 ---------- */
.gb-topbar{background:var(--gb-ink);color:var(--gb-night-text);font-size:13px;}
.gb-topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.gb-status{display:inline-flex;align-items:center;gap:8px;font-weight:600;letter-spacing:.02em;white-space:nowrap;}
.gb-status__dot{width:7px;height:7px;border-radius:50%;background:#2FAE87;box-shadow:0 0 0 3px rgba(47,174,135,.2);}
.gb-countdown{display:inline-flex;align-items:center;gap:8px;color:#C9C4BC;white-space:nowrap;}
.gb-countdown b{color:var(--gb-night-text);font-weight:700;letter-spacing:.06em;}
.gb-topbar__link{color:#C9C4BC;border-bottom:1px solid transparent;padding-bottom:1px;}
.gb-topbar__link:hover{color:#fff;border-bottom-color:var(--gb-accent);}

/* ---------- 主导航 ---------- */
.gb-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,244,239,.95);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--gb-line);
  transition:box-shadow .22s var(--gb-ease);
}
.gb-header.is-stuck{box-shadow:0 12px 30px -26px rgba(18,20,23,.75);}
.gb-header__inner{display:flex;align-items:center;gap:26px;height:68px;}
.gb-logo{display:inline-flex;flex-direction:column;line-height:1.1;font-weight:800;flex-shrink:0;}
.gb-logo__top{font-size:19px;letter-spacing:-.01em;color:var(--gb-ink);}
.gb-logo__bottom{font-size:11px;font-weight:600;letter-spacing:.06em;color:var(--gb-muted);margin-top:3px;}
.gb-nav{display:flex;align-items:center;gap:22px;margin-left:auto;font-size:14.5px;font-weight:600;color:#3A3F45;}
.gb-nav > a{position:relative;padding:6px 0;}
.gb-nav > a::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--gb-accent);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--gb-ease);
}
.gb-nav > a:hover{color:var(--gb-ink);}
.gb-nav > a:hover::after,.gb-nav > a.is-active::after{transform:scaleX(1);}
.gb-nav > a.is-active{color:var(--gb-ink);font-weight:700;}
.gb-nav__foot{display:none;}
.gb-header__actions{display:flex;align-items:center;gap:10px;margin-left:6px;}
.gb-burger{
  display:none;width:42px;height:42px;margin-left:auto;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  background:transparent;border:1px solid var(--gb-line);border-radius:var(--gb-radius-sm);
  cursor:pointer;position:relative;z-index:70;transition:background .18s var(--gb-ease);
}
.gb-burger span{display:block;width:18px;height:2px;background:var(--gb-ink);border-radius:2px;transition:transform .2s var(--gb-ease),opacity .2s;}
.gb-burger:hover{background:#fff;}
.gb-header.nav-open .gb-burger span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.gb-header.nav-open .gb-burger span:nth-child(2){opacity:0;}
.gb-header.nav-open .gb-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
body.nav-lock{overflow:hidden;}

/* ---------- 按钮与标签 ---------- */
.gb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--gb-radius-sm);border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.01em;cursor:pointer;
  transition:background-color .18s var(--gb-ease),color .18s var(--gb-ease),border-color .18s var(--gb-ease),transform .18s var(--gb-ease),box-shadow .18s var(--gb-ease);
}
.gb-btn--primary{background:var(--gb-accent);color:#fff;}
.gb-btn--primary:hover{background:var(--gb-accent-dark);color:#fff;transform:translateY(-1px);}
.gb-btn--ghost{background:transparent;border-color:rgba(18,20,23,.24);color:var(--gb-ink);}
.gb-btn--ghost:hover{background:var(--gb-ink);border-color:var(--gb-ink);color:var(--gb-bg);}
.gb-btn--sm{padding:9px 16px;font-size:13.5px;}
.gb-btn--pill{border-radius:var(--gb-pill);}
.gb-btn--light{background:var(--gb-night-text);color:var(--gb-ink);border-color:var(--gb-night-text);}
.gb-btn--light:hover{background:#fff;border-color:#fff;transform:translateY(-1px);}
.gb-btn--outlineLight{background:transparent;border-color:rgba(242,238,232,.38);color:var(--gb-night-text);}
.gb-btn--outlineLight:hover{background:rgba(255,255,255,.1);border-color:rgba(242,238,232,.7);color:#fff;}
.gb-btn:active{transform:translateY(0);}
.gb-btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(224,82,42,.28);}
.gb-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--gb-pill);
  background:#fff;border:1px solid var(--gb-line);
  font-size:12.5px;font-weight:700;letter-spacing:.03em;color:var(--gb-muted);
}
.gb-tag--accent{background:var(--gb-accent-soft);border-color:rgba(224,82,42,.24);color:var(--gb-accent-dark);}
.gb-tag--green{background:rgba(31,107,87,.08);border-color:rgba(31,107,87,.22);color:var(--gb-green);}

/* ---------- 首屏 ---------- */
.gb-hero{padding:64px 0 76px;border-bottom:1px solid var(--gb-line);position:relative;overflow:hidden;}
.gb-hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.gb-hero h1{font-size:clamp(32px,4.4vw,54px);line-height:1.1;margin-top:20px;font-weight:800;}
.gb-hero__sub{margin-top:20px;font-size:18px;line-height:1.7;color:var(--gb-muted);max-width:36em;}
.gb-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
.gb-hero__trust{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.gb-hero__media{position:relative;border-radius:var(--gb-radius);overflow:hidden;border:1px solid var(--gb-line);box-shadow:var(--gb-shadow);}
.gb-hero__media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.gb-hero__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,20,23,.12) 0%,rgba(18,20,23,.42) 100%);}
.gb-hero__stamp{
  position:absolute;left:18px;bottom:18px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:var(--gb-pill);
  background:rgba(22,24,28,.72);color:var(--gb-night-text);font-size:12.5px;font-weight:700;letter-spacing:.03em;
  border:1px solid rgba(255,255,255,.18);
}

/* ---------- 通用板块 ---------- */
.gb-section{padding:88px 0;}
.gb-section--tight{padding:64px 0;}
.gb-section--alt{background:#FBFAF7;border-top:1px solid var(--gb-line);border-bottom:1px solid var(--gb-line);}
.gb-section__head{max-width:740px;margin-bottom:42px;}
.gb-eyebrow{
  display:block;font-size:12.5px;font-weight:800;letter-spacing:.16em;color:var(--gb-accent);
  text-transform:uppercase;margin-bottom:14px;
}
.gb-section h2{font-size:clamp(24px,3vw,38px);font-weight:700;letter-spacing:-.02em;}
.gb-lead{margin-top:16px;font-size:17px;line-height:1.75;color:var(--gb-muted);}

/* ---------- 数字保障条 ---------- */
.gb-stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--gb-line);border-bottom:1px solid var(--gb-line);}
.gb-stats > div{padding:34px 30px;border-left:1px solid var(--gb-line);}
.gb-stats > div:first-child{border-left:0;padding-left:0;}
.gb-stats__num{font-size:clamp(32px,4vw,46px);font-weight:800;letter-spacing:-.035em;line-height:1;color:var(--gb-ink);}
.gb-stats__num small{font-size:15px;font-weight:700;letter-spacing:0;color:var(--gb-muted);margin-left:8px;}
.gb-stats__label{margin-top:12px;font-size:15px;font-weight:700;}
.gb-stats__desc{margin-top:6px;font-size:14px;line-height:1.7;color:var(--gb-muted);}

/* ---------- 权益对比表 ---------- */
.gb-table-wrap{
  overflow-x:auto;background:var(--gb-card);border:1px solid var(--gb-line);
  border-radius:var(--gb-radius);box-shadow:var(--gb-shadow);
}
table.gb-table{width:100%;border-collapse:collapse;min-width:780px;font-size:14.5px;}
.gb-table thead th{
  background:var(--gb-ink);color:var(--gb-night-text);
  padding:18px 20px;text-align:left;font-weight:700;font-size:14px;letter-spacing:.02em;
  vertical-align:middle;position:relative;
}
.gb-table thead th + th{text-align:center;border-left:1px solid rgba(255,255,255,.12);}
.gb-th__name{display:block;font-size:15px;}
.gb-th__price{display:block;margin-top:4px;font-size:12.5px;font-weight:600;color:rgba(242,238,232,.62);letter-spacing:.02em;}
.gb-th__rec{
  display:inline-block;margin-top:8px;padding:2px 10px;border-radius:var(--gb-pill);
  background:var(--gb-accent);color:#fff;font-size:11.5px;font-weight:800;letter-spacing:.06em;
}
.gb-table tbody td{padding:15px 20px;border-top:1px solid var(--gb-line);vertical-align:middle;color:#2C3036;}
.gb-table tbody td + td{text-align:center;}
.gb-table tbody tr:hover{background:#FBFAF7;}
.gb-table tbody tr:hover td.gb-col--rec{background:#F8E2D8;}
.gb-table .gb-col--rec{background:var(--gb-accent-soft);}
.gb-table th.gb-col--rec{background:#231915;color:var(--gb-night-text);}
.gb-table__name{font-weight:700;color:var(--gb-ink);}
.gb-check{color:var(--gb-green);font-weight:800;}
.gb-dash{color:#A6ACB3;}
.gb-table__note{margin-top:16px;font-size:13px;line-height:1.8;color:var(--gb-muted);}

/* ---------- 等级卡 ---------- */
.gb-tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.gb-tier{
  background:var(--gb-card);border:1px solid var(--gb-line);border-radius:var(--gb-radius);
  padding:30px;box-shadow:var(--gb-shadow);
  transition:transform .22s var(--gb-ease),box-shadow .22s var(--gb-ease),border-color .22s var(--gb-ease);
}
.gb-tier:hover{transform:translateY(-4px);border-color:#D5CEC3;box-shadow:var(--gb-shadow-hover);}
.gb-tier:nth-child(2){margin-top:-24px;}
.gb-tier--dark{background:var(--gb-night);border-color:rgba(255,255,255,.14);color:var(--gb-night-text);}
.gb-tier--dark:hover{border-color:rgba(255,255,255,.28);}
.gb-tier__num{font-size:64px;font-weight:800;line-height:1;letter-spacing:-.05em;color:rgba(18,20,23,.08);}
.gb-tier--dark .gb-tier__num{color:rgba(242,238,232,.14);}
.gb-tier h3{margin-top:10px;font-size:21px;}
.gb-tier__fit{margin-top:8px;font-size:14px;line-height:1.7;color:var(--gb-muted);}
.gb-tier--dark .gb-tier__fit{color:#A9A49C;}
.gb-tier__list{margin-top:20px;display:grid;gap:10px;font-size:14.5px;}
.gb-tier__list li{display:flex;gap:10px;align-items:flex-start;line-height:1.7;}
.gb-tier__list li::before{content:"✓";flex-shrink:0;font-weight:800;color:var(--gb-green);}
.gb-tier--dark .gb-tier__list li::before{color:#4FC0A0;}
.gb-tier .gb-btn{margin-top:24px;width:100%;}

/* ---------- 图文说明 ---------- */
.gb-split{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;}
.gb-split__media{border-radius:var(--gb-radius);overflow:hidden;border:1px solid var(--gb-line);box-shadow:var(--gb-shadow);}
.gb-split__media img{width:100%;aspect-ratio:5/4;object-fit:cover;transition:transform 1.2s var(--gb-ease);}
.gb-split__media:hover img{transform:scale(1.03);}
.gb-notes{display:grid;gap:22px;margin-top:26px;}
.gb-note{display:flex;gap:16px;align-items:flex-start;}
.gb-note__idx{
  flex-shrink:0;width:34px;height:34px;border-radius:var(--gb-pill);
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--gb-accent-soft);color:var(--gb-accent-dark);
  font-size:13px;font-weight:800;letter-spacing:.02em;
}
.gb-note h3{font-size:16.5px;font-weight:700;letter-spacing:0;}
.gb-note p{margin-top:4px;font-size:14.5px;line-height:1.75;color:var(--gb-muted);}

/* ---------- FAQ ---------- */
.gb-accordion .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--gb-line);border-radius:0;}
.gb-accordion .accordion-item:first-of-type{border-top:1px solid var(--gb-line);}
.gb-accordion .accordion-header{margin:0;}
.gb-accordion .accordion-button{
  background:transparent;border:0;border-radius:0;box-shadow:none;
  padding:22px 4px;font-size:17px;font-weight:600;color:var(--gb-ink);line-height:1.6;
  transition:color .18s var(--gb-ease);
}
.gb-accordion .accordion-button:not(.collapsed){color:var(--gb-accent-dark);background:transparent;box-shadow:none;}
.gb-accordion .accordion-button:hover{color:var(--gb-accent-dark);}
.gb-accordion .accordion-button:focus{box-shadow:none;border-color:transparent;}
.gb-accordion .accordion-button:focus-visible{box-shadow:0 0 0 3px rgba(224,82,42,.24);border-radius:var(--gb-radius-sm);}
.gb-accordion .accordion-button::after{
  background-image:none;content:"+";
  width:auto;height:auto;line-height:1;font-size:24px;font-weight:400;
  color:var(--gb-accent);margin-left:auto;
  transition:transform .2s var(--gb-ease);
}
.gb-accordion .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.gb-accordion .accordion-body{
  padding:0 4px 24px;background:transparent;
  font-size:15px;line-height:1.8;color:var(--gb-muted);max-width:60em;
}
.gb-accordion .accordion-body strong{color:var(--gb-ink);font-weight:700;}

/* ---------- 深色 CTA ---------- */
.gb-cta{
  background:var(--gb-night);color:var(--gb-night-text);
  border-radius:10px;padding:56px;
  display:grid;grid-template-columns:1fr auto;gap:36px;align-items:center;
}
.gb-cta h2{font-size:clamp(24px,3vw,36px);color:var(--gb-night-text);}
.gb-cta p{margin-top:14px;font-size:15.5px;line-height:1.75;color:#B4AFA6;max-width:44em;}
.gb-cta__actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.gb-footer{background:var(--gb-night);color:#C9C4BC;padding:64px 0 28px;}
.gb-footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.gb-footer .gb-logo__top{color:var(--gb-night-text);}
.gb-footer .gb-logo__bottom{color:#8E8981;}
.gb-footer h4{color:var(--gb-night-text);font-size:14px;font-weight:700;letter-spacing:.05em;margin-bottom:16px;}
.gb-footer ul{display:grid;gap:10px;font-size:14px;}
.gb-footer ul a,.gb-footer ul span{color:#A9A49C;line-height:1.6;}
.gb-footer ul a:hover{color:var(--gb-night-text);text-decoration:underline;text-underline-offset:3px;}
.gb-footer__brand p{margin-top:18px;font-size:14px;line-height:1.75;color:#8E8981;max-width:32em;}
.gb-footer__bottom{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  margin-top:48px;padding-top:22px;border-top:1px solid var(--gb-night-line);
  font-size:13px;color:#8E8981;
}
.gb-num{font-variant-numeric:tabular-nums;letter-spacing:.04em;}

/* ---------- 动效 ---------- */
.gb-reveal{transition:opacity .55s var(--gb-ease),transform .55s var(--gb-ease);}
body.gb-anim .gb-reveal{opacity:0;transform:translateY(12px);}
body.gb-anim .gb-reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .gb-nav{gap:16px;font-size:14px;}
}
@media (max-width:991.98px){
  .gb-header__inner{height:64px;}
  .gb-header__actions{display:none;}
  .gb-burger{display:inline-flex;}
  .gb-nav{
    position:fixed;inset:0;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    margin:0;padding:88px 24px 36px;
    background:var(--gb-bg);z-index:60;overflow-y:auto;
    border-left:1px solid var(--gb-line);
  }
  .gb-header.nav-open .gb-nav{display:flex;}
  .gb-nav > a{width:100%;padding:16px 0;font-size:17px;border-bottom:1px solid var(--gb-line);}
  .gb-nav > a::after{display:none;}
  .gb-nav > a.is-active{color:var(--gb-accent-dark);}
  .gb-nav__foot{display:grid;gap:14px;margin-top:28px;}
  .gb-nav__cd{font-size:13px;color:var(--gb-muted);}
  .gb-nav__cd b{color:var(--gb-ink);letter-spacing:.06em;}
  .gb-nav__foot .gb-btn{width:100%;height:48px;}
  .gb-hero{padding:48px 0 56px;}
  .gb-hero__grid{grid-template-columns:1fr;gap:36px;}
  .gb-hero__media{order:-1;}
  .gb-hero__media img{aspect-ratio:16/9;}
  .gb-section{padding:64px 0;}
  .gb-section--tight{padding:48px 0;}
  .gb-stats{grid-template-columns:1fr;}
  .gb-stats > div{border-left:0;border-top:1px solid var(--gb-line);padding:24px 0;}
  .gb-stats > div:first-child{border-top:0;}
  .gb-tiers{grid-template-columns:1fr;}
  .gb-tier:nth-child(2){margin-top:0;}
  .gb-split{grid-template-columns:1fr;gap:34px;}
  .gb-cta{grid-template-columns:1fr;padding:36px 28px;gap:26px;}
  .gb-footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .gb-table-wrap{border:0;background:transparent;box-shadow:none;overflow:visible;}
  table.gb-table{display:block;min-width:0;font-size:14px;}
  .gb-table thead{display:none;}
  .gb-table tbody{display:grid;gap:14px;}
  .gb-table tbody tr{
    display:block;background:var(--gb-card);border:1px solid var(--gb-line);
    border-radius:var(--gb-radius);padding:4px 16px;box-shadow:var(--gb-shadow);
  }
  .gb-table tbody tr:hover{background:var(--gb-card);}
  .gb-table tbody td{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:11px 0;border-top:1px solid var(--gb-line);text-align:right;
  }
  .gb-table tbody td:first-child{
    border-top:0;padding:14px 0 12px;font-size:15px;font-weight:800;color:var(--gb-ink);text-align:left;
  }
  .gb-table tbody td[data-label]::before{
    content:attr(data-label);flex-shrink:0;
    font-size:13px;font-weight:600;color:var(--gb-muted);
  }
  .gb-table tbody td.gb-col--rec{background:transparent;}
  .gb-table tbody tr:hover td.gb-col--rec{background:transparent;}
  .gb-table tbody td.gb-col--rec{padding-left:10px;border-left:3px solid rgba(224,82,42,.5);}
}
@media (max-width:575.98px){
  .shell{padding:0 18px;}
  .gb-hero h1{font-size:clamp(28px,8vw,38px);}
  .gb-hero__sub{font-size:16px;}
  .gb-hero__actions .gb-btn{width:100%;}
  .gb-hero__trust .gb-tag{font-size:12px;}
  .gb-section{padding:48px 0;}
  .gb-tier{padding:24px;}
  .gb-cta{padding:28px 20px;}
  .gb-cta__actions .gb-btn{width:100%;}
  .gb-footer__grid{grid-template-columns:1fr;}
  .gb-footer__bottom{flex-direction:column;gap:8px;}
  .gb-topbar__inner{height:auto;padding:8px 0;flex-wrap:wrap;gap:8px 14px;}
  .gb-accordion .accordion-button{font-size:15.5px;padding:18px 2px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  body.gb-anim .gb-reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --gb-warm:#F7F4EF;
  --gb-paper:#FFFFFF;
  --gb-ink:#121417;
  --gb-ink-soft:#6B7078;
  --gb-line:#E4DFD7;
  --gb-accent:#E0522A;
  --gb-accent-dark:#C84520;
  --gb-accent-soft:#FBEDE7;
  --gb-green:#1F6B57;
  --gb-night:#16181C;
  --gb-night-2:#1D2025;
  --gb-night-text:#F2EEE8;
  --gb-radius:6px;
  --gb-radius-pill:999px;
  --gb-shadow:0 18px 40px -28px rgba(18,20,23,.35);
  --gb-shadow-hover:0 24px 46px -26px rgba(18,20,23,.45);
  --gb-ease:cubic-bezier(.2,.7,.2,1);
  --gb-space:104px;
  --gb-font:"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--gb-warm);
  color:var(--gb-ink);
  font-family:var(--gb-font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.25;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
a{color:var(--gb-ink);text-decoration:none;transition:color .18s var(--gb-ease),border-color .18s var(--gb-ease);}
a:hover{color:var(--gb-accent);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(224,82,42,.28);outline-offset:2px;}
.gb-num{font-variant-numeric:tabular-nums;}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- buttons ---------- */
.gb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:4px;border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1.2;cursor:pointer;
  transition:background-color .18s var(--gb-ease),color .18s var(--gb-ease),border-color .18s var(--gb-ease),transform .18s var(--gb-ease),box-shadow .18s var(--gb-ease);
  text-align:center;
}
.gb-btn--primary{background:var(--gb-accent);color:#fff;border-color:var(--gb-accent);border-radius:var(--gb-radius-pill);}
.gb-btn--primary:hover{background:var(--gb-accent-dark);border-color:var(--gb-accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--gb-shadow);}
.gb-btn--ghost{background:transparent;color:var(--gb-ink);border-color:var(--gb-ink);border-radius:var(--gb-radius-pill);}
.gb-btn--ghost:hover{background:var(--gb-ink);color:var(--gb-night-text);transform:translateY(-1px);}
.gb-btn--light{background:var(--gb-night-text);color:var(--gb-ink);border-color:var(--gb-night-text);border-radius:var(--gb-radius-pill);}
.gb-btn--light:hover{background:#fff;border-color:#fff;color:var(--gb-ink);transform:translateY(-1px);}
.gb-btn--outline-light{background:transparent;color:var(--gb-night-text);border-color:rgba(255,255,255,.35);border-radius:var(--gb-radius-pill);}
.gb-btn--outline-light:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.6);}
.gb-btn--sm{padding:9px 18px;font-size:13.5px;}
.gb-btn--block{width:100%;}
.gb-btn[disabled],.gb-btn.is-disabled{opacity:.45;pointer-events:none;}

/* ---------- top bar ---------- */
.gb-topbar{background:var(--gb-ink);color:var(--gb-night-text);font-size:13px;}
.gb-topbar__inner{min-height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.gb-status{display:inline-flex;align-items:center;gap:8px;color:#CFCAC2;letter-spacing:.02em;}
.gb-status__dot{width:7px;height:7px;border-radius:50%;background:#3FBF8F;box-shadow:0 0 0 3px rgba(63,191,143,.18);}
.gb-countdown{display:inline-flex;align-items:center;gap:8px;color:#CFCAC2;}
.gb-countdown b{color:#fff;font-variant-numeric:tabular-nums;letter-spacing:.08em;font-weight:700;}
.gb-topbar a{color:var(--gb-night-text);border-bottom:1px solid rgba(255,255,255,.28);padding-bottom:1px;}
.gb-topbar a:hover{color:#fff;border-color:#fff;}

/* ---------- header ---------- */
.gb-header{position:sticky;top:0;z-index:60;background:rgba(247,244,239,.96);border-bottom:1px solid var(--gb-line);transition:box-shadow .2s var(--gb-ease),background-color .2s var(--gb-ease);}
.gb-header.is-stuck{box-shadow:0 10px 30px -22px rgba(18,20,23,.6);}
.gb-header__inner{min-height:68px;display:flex;align-items:center;gap:24px;}
.gb-logo{display:inline-flex;flex-direction:column;line-height:1.1;flex-shrink:0;}
.gb-logo__top{font-size:17px;font-weight:800;letter-spacing:-.02em;}
.gb-logo__bottom{font-size:11px;letter-spacing:.06em;color:var(--gb-ink-soft);font-weight:600;margin-top:2px;}
.gb-logo:hover .gb-logo__bottom{color:var(--gb-accent);}
.gb-nav{display:flex;align-items:center;gap:22px;margin-left:auto;}
.gb-nav a{position:relative;font-size:14.5px;font-weight:600;color:#33373D;padding:6px 0;white-space:nowrap;}
.gb-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--gb-accent);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--gb-ease);}
.gb-nav a:hover{color:var(--gb-ink);}
.gb-nav a:hover::after,.gb-nav a.is-active::after{transform:scaleX(1);}
.gb-nav a.is-active{color:var(--gb-ink);font-weight:700;}
.gb-header__actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.gb-burger{display:none;width:42px;height:42px;border:1px solid var(--gb-line);border-radius:4px;background:var(--gb-paper);flex-direction:column;justify-content:center;align-items:center;gap:4px;margin-left:auto;cursor:pointer;}
.gb-burger span{display:block;width:18px;height:2px;background:var(--gb-ink);transition:transform .2s var(--gb-ease),opacity .2s var(--gb-ease);}
.gb-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.gb-burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.gb-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- hero ---------- */
.gb-hero{position:relative;padding:56px 0 72px;overflow:hidden;}
.gb-hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.gb-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--gb-ink-soft);margin-bottom:20px;letter-spacing:.02em;}
.gb-crumbs a{color:var(--gb-ink-soft);}
.gb-crumbs a:hover{color:var(--gb-accent);}
.gb-crumbs span.sep{color:#BEB8AE;}
.gb-crumbs .is-current{color:var(--gb-ink);font-weight:600;}
.gb-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border:1px solid var(--gb-line);border-radius:var(--gb-radius-pill);background:var(--gb-paper);font-size:12.5px;font-weight:700;letter-spacing:.06em;color:var(--gb-green);margin-bottom:20px;}
.gb-hero h1{font-size:clamp(32px,4.4vw,52px);font-weight:800;letter-spacing:-.02em;line-height:1.14;margin-bottom:18px;}
.gb-hero h1 em{font-style:normal;color:var(--gb-accent);}
.gb-hero__lead{font-size:18px;line-height:1.7;color:#3B4046;max-width:560px;margin-bottom:26px;}
.gb-hero__btns{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.gb-chips{display:flex;flex-wrap:wrap;gap:10px;}
.gb-chip{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:#3B4046;background:var(--gb-paper);border:1px solid var(--gb-line);border-radius:var(--gb-radius-pill);padding:6px 14px;}
.gb-chip i{width:6px;height:6px;border-radius:50%;background:var(--gb-green);display:inline-block;font-style:normal;}
.gb-hero__figure{position:relative;border-radius:var(--gb-radius);overflow:hidden;box-shadow:var(--gb-shadow);border:1px solid rgba(18,20,23,.08);}
.gb-hero__figure img{width:100%;height:100%;aspect-ratio:4/5;object-fit:cover;}
.gb-hero__figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,20,23,.05) 30%,rgba(18,20,23,.62));}
.gb-hero__figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:22px;color:#F5F1EA;font-size:13.5px;line-height:1.7;z-index:2;letter-spacing:.02em;}
.gb-hero__figure figcaption strong{display:block;font-size:15px;color:#fff;margin-bottom:4px;letter-spacing:0;}

/* ---------- stats strip ---------- */
.gb-stats{border-top:1px solid var(--gb-line);border-bottom:1px solid var(--gb-line);background:var(--gb-paper);}
.gb-stats__grid{display:grid;grid-template-columns:repeat(3,1fr);}
.gb-stat{padding:30px 28px;border-left:1px solid var(--gb-line);}
.gb-stat:first-child{border-left:0;padding-left:0;}
.gb-stat b{display:block;font-size:clamp(30px,3.4vw,44px);font-weight:800;letter-spacing:-.03em;line-height:1.05;font-variant-numeric:tabular-nums;}
.gb-stat span{display:block;margin-top:8px;font-size:13.5px;color:var(--gb-ink-soft);letter-spacing:.02em;}

/* ---------- section basics ---------- */
.gb-section{padding:var(--gb-space) 0;}
.gb-section--tight{padding:72px 0;}
.gb-section__head{max-width:720px;margin-bottom:44px;}
.gb-section__head h2{font-size:clamp(24px,3vw,38px);font-weight:800;letter-spacing:-.02em;margin-bottom:14px;}
.gb-section__head p{font-size:16.5px;color:#4A4F56;}
.gb-kicker{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--gb-accent);margin-bottom:12px;}

/* ---------- dark tier cards ---------- */
.gb-tiers{background:var(--gb-night);color:var(--gb-night-text);padding:88px 0 104px;}
.gb-tiers .gb-section__head h2{color:#fff;}
.gb-tiers .gb-section__head p{color:#B9B4AC;}
.gb-tiers .gb-kicker{color:#E9997C;}
.gb-tiers__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.gb-tiercard{
  position:relative;border-radius:var(--gb-radius);padding:32px 28px 30px;
  border:1px solid rgba(255,255,255,.12);
  background:var(--gb-night-2);
  transition:transform .22s var(--gb-ease),border-color .22s var(--gb-ease),box-shadow .22s var(--gb-ease);
}
.gb-tiercard:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.3);box-shadow:0 26px 50px -30px rgba(0,0,0,.9);}
.gb-tiercard--light{background:#F2EEE8;color:var(--gb-ink);border-color:#E4DFD7;}
.gb-tiercard--light .gb-tiercard__num{color:rgba(18,20,23,.14);-webkit-text-stroke:1px rgba(18,20,23,.28);}
.gb-tiercard--light .gb-tiercard__desc{color:#4A4F56;}
.gb-tiercard--light .gb-tiercard__list li{color:#2B3036;border-color:#DCD5CA;}
.gb-tiercard--lift{margin-top:-28px;}
.gb-tiercard__num{display:block;font-size:96px;font-weight:800;line-height:.9;letter-spacing:-.05em;color:transparent;-webkit-text-stroke:1px rgba(242,238,232,.4);margin-bottom:12px;font-variant-numeric:tabular-nums;}
.gb-tiercard h3{font-size:21px;font-weight:700;margin-bottom:8px;}
.gb-tiercard__price{font-size:13px;letter-spacing:.06em;color:var(--gb-accent);font-weight:700;margin-bottom:14px;text-transform:none;}
.gb-tiercard__desc{font-size:14.5px;color:#B9B4AC;line-height:1.7;margin-bottom:18px;}
.gb-tiercard__list li{display:flex;gap:10px;padding:11px 0;border-top:1px solid rgba(255,255,255,.1);font-size:14px;color:#DCD7CF;line-height:1.6;}
.gb-tiercard__list li::before{content:"✓";color:#57C39B;font-weight:700;flex-shrink:0;}
.gb-tiercard--light .gb-tiercard__list li::before{color:var(--gb-green);}
.gb-tiercard__foot{margin-top:20px;}

/* ---------- tier detail rows ---------- */
.gb-rows{border-top:1px solid var(--gb-line);}
.gb-row{display:grid;grid-template-columns:220px 1fr;gap:32px;padding:30px 0;border-bottom:1px solid var(--gb-line);}
.gb-row__name{display:flex;align-items:baseline;gap:12px;}
.gb-row__name b{font-size:34px;font-weight:800;letter-spacing:-.03em;color:rgba(18,20,23,.16);font-variant-numeric:tabular-nums;line-height:1;}
.gb-row__name h3{font-size:19px;}
.gb-row__body p{font-size:15px;color:#4A4F56;margin-bottom:14px;}
.gb-tags{display:flex;flex-wrap:wrap;gap:8px;}
.gb-tag{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--gb-radius-pill);font-size:12.5px;font-weight:600;letter-spacing:.02em;background:var(--gb-paper);border:1px solid var(--gb-line);color:#4A4F56;}
.gb-tag--green{background:rgba(31,107,87,.08);border-color:rgba(31,107,87,.22);color:var(--gb-green);}
.gb-tag--accent{background:var(--gb-accent-soft);border-color:rgba(224,82,42,.24);color:var(--gb-accent-dark);}

/* ---------- timeline ---------- */
.gb-timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px;}
.gb-timeline::before{content:"";position:absolute;left:0;right:0;top:22px;height:1px;background:var(--gb-line);}
.gb-node{position:relative;padding-top:54px;}
.gb-node::before{content:"";position:absolute;top:14px;left:0;width:17px;height:17px;border-radius:50%;background:var(--gb-warm);border:2px solid var(--gb-accent);}
.gb-node__step{position:absolute;top:0;left:26px;font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--gb-ink-soft);}
.gb-node h3{font-size:17px;margin-bottom:8px;}
.gb-node p{font-size:14px;color:#4A4F56;line-height:1.7;}

/* ---------- notes ---------- */
.gb-note-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.gb-note{background:var(--gb-paper);border:1px solid var(--gb-line);border-radius:var(--gb-radius);padding:28px;box-shadow:var(--gb-shadow);transition:transform .22s var(--gb-ease),box-shadow .22s var(--gb-ease),border-color .22s var(--gb-ease);}
.gb-note:hover{transform:translateY(-4px);box-shadow:var(--gb-shadow-hover);border-color:#D3CCC1;}
.gb-note h3{font-size:17px;margin-bottom:10px;}
.gb-note p{font-size:14.5px;color:#4A4F56;}
.gb-note__mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:4px;background:var(--gb-accent-soft);color:var(--gb-accent-dark);font-weight:800;font-size:14px;margin-bottom:14px;}

/* ---------- faq ---------- */
.gb-faq{max-width:880px;}
.gb-faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--gb-line);border-radius:0;}
.gb-faq .accordion-button{
  background:transparent;color:var(--gb-ink);font-size:17px;font-weight:600;
  padding:22px 44px 22px 0;border:0;box-shadow:none;
}
.gb-faq .accordion-button:not(.collapsed){color:var(--gb-ink);background:transparent;box-shadow:none;}
.gb-faq .accordion-button::after{
  content:"+";background-image:none;font-size:22px;font-weight:400;line-height:1;
  width:24px;height:24px;display:flex;align-items:center;justify-content:center;
  color:var(--gb-accent);transform:none;transition:transform .2s var(--gb-ease);
  position:absolute;right:0;
}
.gb-faq .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.gb-faq .accordion-body{padding:0 44px 24px 0;background:transparent;color:#4A4F56;font-size:15px;line-height:1.8;}
.gb-faq .accordion-collapse{background:#FBFAF7;}

/* ---------- cta ---------- */
.gb-cta{background:var(--gb-night);color:var(--gb-night-text);border-radius:var(--gb-radius);padding:56px;display:grid;grid-template-columns:1fr auto;gap:36px;align-items:center;}
.gb-cta h2{color:#fff;font-size:clamp(24px,2.8vw,34px);margin-bottom:12px;letter-spacing:-.02em;}
.gb-cta p{color:#B9B4AC;font-size:15.5px;max-width:640px;}
.gb-cta__btns{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- footer ---------- */
.gb-footer{background:var(--gb-ink);color:#C9C4BC;padding:72px 0 0;margin-top:var(--gb-space);}
.gb-footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px;}
.gb-footer .gb-logo__top{color:#F5F1EA;}
.gb-footer .gb-logo__bottom{color:#8F8A82;}
.gb-footer__brand p{margin-top:16px;font-size:14px;line-height:1.8;color:#9A9views;color:#9A958D;max-width:320px;}
.gb-footer h4{font-size:14px;color:#F5F1EA;letter-spacing:.06em;margin-bottom:16px;font-weight:700;}
.gb-footer ul li{margin-bottom:10px;font-size:14px;}
.gb-footer ul li a{color:#B6B1A9;border-bottom:1px solid transparent;padding-bottom:1px;}
.gb-footer ul li a:hover{color:#F5F1EA;border-color:#F5F1EA;}
.gb-footer ul li span{color:#8F8A82;font-size:13.5px;}
.gb-footer__bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8F8A82;letter-spacing:.02em;}

/* ---------- reveal ---------- */
.gb-reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--gb-ease),transform .5s var(--gb-ease);}
.gb-reveal.is-in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  :root{--gb-space:80px;}
  .gb-hero__grid{gap:36px;}
}
@media (max-width:991px){
  :root{--gb-space:72px;}
  .gb-nav{
    position:fixed;inset:68px 0 0 0;background:var(--gb-warm);
    flex-direction:column;align-items:stretch;gap:0;
    padding:24px;margin:0;z-index:55;overflow-y:auto;
    display:none;border-top:1px solid var(--gb-line);
  }
  .gb-nav.is-open{display:flex;}
  .gb-nav a{font-size:17px;padding:16px 0;border-bottom:1px solid var(--gb-line);}
  .gb-nav a::after{display:none;}
  .gb-nav a.is-active{color:var(--gb-accent);}
  .gb-header__actions{display:none;}
  .gb-burger{display:flex;}
  .gb-hero{padding:36px 0 48px;}
  .gb-hero__grid{grid-template-columns:1fr;gap:32px;}
  .gb-hero__figure img{aspect-ratio:16/10;}
  .gb-stats__grid{grid-template-columns:1fr;}
  .gb-stat{border-left:0;border-top:1px solid var(--gb-line);padding:22px 0;}
  .gb-stat:first-child{border-top:0;}
  .gb-tiers__grid{grid-template-columns:1fr;}
  .gb-tiercard--lift{margin-top:0;}
  .gb-tiercard__num{font-size:76px;}
  .gb-row{grid-template-columns:1fr;gap:14px;}
  .gb-timeline{grid-template-columns:1fr 1fr;}
  .gb-timeline::before{display:none;}
  .gb-node{padding-top:0;padding-left:26px;}
  .gb-node::before{top:6px;}
  .gb-node__step{position:static;display:block;margin-bottom:6px;}
  .gb-note-grid{grid-template-columns:1fr;}
  .gb-cta{grid-template-columns:1fr;padding:40px 32px;gap:24px;}
  .gb-footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575px){
  :root{--gb-space:48px;}
  .shell{padding:0 18px;}
  .gb-topbar__inner{justify-content:center;gap:14px;font-size:12px;}
  .gb-status{display:none;}
  .gb-hero h1{font-size:clamp(28px,8vw,36px);}
  .gb-hero__lead{font-size:16px;}
  .gb-hero__btns .gb-btn{width:100%;}
  .gb-timeline{grid-template-columns:1fr;}
  .gb-footer__grid{grid-template-columns:1fr;}
  .gb-footer__bottom{flex-direction:column;gap:8px;}
  .gb-section__head{margin-bottom:30px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .gb-reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --gb-bg:#F7F4EF;
  --gb-paper:#FFFFFF;
  --gb-ink:#121417;
  --gb-muted:#6B7078;
  --gb-line:#E4DFD7;
  --gb-accent:#E0522A;
  --gb-accent-dark:#C4461F;
  --gb-green:#1F6B57;
  --gb-night:#16181C;
  --gb-night-text:#F2EEE8;
  --gb-night-line:rgba(255,255,255,.12);
  --gb-radius:6px;
  --gb-radius-btn:4px;
  --gb-pill:999px;
  --gb-shadow:0 18px 40px -28px rgba(18,20,23,.35);
  --gb-shadow-hover:0 22px 46px -24px rgba(18,20,23,.45);
  --gb-sec:104px;
  --gb-font:"Inter","Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--gb-bg);
  color:var(--gb-ink);
  font-family:var(--gb-font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s cubic-bezier(.2,.7,.2,1);}
a:hover{color:var(--gb-accent);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.2;letter-spacing:-.01em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.gb-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
:focus-visible{outline:3px solid rgba(224,82,42,.28);outline-offset:2px;}

/* ---------- 容器 ---------- */
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部活动条 ---------- */
.gb-topbar{
  background:var(--gb-ink);
  color:var(--gb-night-text);
  font-size:13px;
  letter-spacing:.02em;
}
.gb-topbar__inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:36px;
}
.gb-topbar__status{display:inline-flex;align-items:center;gap:8px;color:var(--gb-night-text);}
.gb-dot{
  width:7px;height:7px;border-radius:50%;background:#3FCE9C;
  box-shadow:0 0 0 3px rgba(63,206,156,.18);display:inline-block;
}
.gb-countdown{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--gb-night-text);font-size:13px;
}
.gb-countdown__label{color:rgba(242,238,232,.62);}
.gb-countdown__value{
  font-variant-numeric:tabular-nums;letter-spacing:.08em;
  color:#FFC9B4;font-weight:600;
}
.gb-topbar__link{
  color:var(--gb-night-text);
  border-bottom:1px solid rgba(242,238,232,.4);
  padding-bottom:1px;
}
.gb-topbar__link:hover{color:#fff;border-color:#fff;}

/* ---------- 导航 ---------- */
.gb-header{
  position:sticky;top:0;z-index:80;
  background:var(--gb-bg);
  border-bottom:1px solid var(--gb-line);
  transition:box-shadow .2s cubic-bezier(.2,.7,.2,1),background .2s;
}
.gb-header.is-stuck{
  box-shadow:0 12px 28px -26px rgba(18,20,23,.55);
  background:rgba(247,244,239,.97);
  backdrop-filter:saturate(1.1) blur(6px);
}
.gb-header__inner{
  display:flex;align-items:center;gap:28px;min-height:68px;
}
.gb-logo{display:inline-flex;flex-direction:column;line-height:1.1;flex-shrink:0;}
.gb-logo__top{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--gb-ink);}
.gb-logo__bottom{
  font-size:11px;letter-spacing:.06em;color:var(--gb-muted);font-weight:600;
}
.gb-logo:hover .gb-logo__top{color:var(--gb-accent);}
.gb-nav{display:flex;align-items:center;gap:24px;margin-left:auto;}
.gb-nav a{
  position:relative;font-size:15px;color:#3A3F46;padding:22px 0;
  transition:color .18s cubic-bezier(.2,.7,.2,1);
}
.gb-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;
  background:var(--gb-accent);transform:scaleX(0);transform-origin:left;
  transition:transform .2s cubic-bezier(.2,.7,.2,1);
}
.gb-nav a:hover{color:var(--gb-ink);}
.gb-nav a:hover::after{transform:scaleX(1);}
.gb-nav a.is-active{color:var(--gb-ink);font-weight:700;}
.gb-nav a.is-active::after{transform:scaleX(1);}
.gb-nav__cta{display:none;}
.gb-header__actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}

/* ---------- 按钮 ---------- */
.gb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--gb-pill);
  border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  padding:13px 24px;cursor:pointer;
  transition:background .18s cubic-bezier(.2,.7,.2,1),color .18s,border-color .18s,transform .18s,box-shadow .18s;
}
.gb-btn--primary{background:var(--gb-accent);color:#fff;}
.gb-btn--primary:hover{
  background:var(--gb-accent-dark);color:#fff;transform:translateY(-1px);
  box-shadow:0 12px 24px -18px rgba(224,82,42,.9);
}
.gb-btn--primary:active{transform:translateY(0);}
.gb-btn--ghost{
  background:transparent;color:var(--gb-ink);border-color:var(--gb-ink);
}
.gb-btn--ghost:hover{background:var(--gb-ink);color:var(--gb-night-text);border-color:var(--gb-ink);}
.gb-btn--light{background:var(--gb-night-text);color:var(--gb-ink);}
.gb-btn--light:hover{background:#fff;color:var(--gb-ink);transform:translateY(-1px);}
.gb-btn--sm{padding:10px 18px;font-size:14px;}
.gb-btn--block{width:100%;}
.gb-link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  border-bottom:1px solid currentColor;padding-bottom:2px;color:var(--gb-ink);
}
.gb-link-arrow:hover{color:var(--gb-accent);border-bottom-width:2px;}

/* ---------- 汉堡 ---------- */
.gb-burger{
  display:none;width:44px;height:44px;border:1px solid var(--gb-line);
  border-radius:var(--gb-radius);background:var(--gb-paper);
  padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
  margin-left:auto;cursor:pointer;
}
.gb-burger span{display:block;width:18px;height:2px;background:var(--gb-ink);border-radius:2px;transition:transform .2s,opacity .2s;}
body.gb-nav-open .gb-burger span:nth-child(1){transform:translateY(6px) rotate(45deg);}
body.gb-nav-open .gb-burger span:nth-child(2){opacity:0;}
body.gb-nav-open .gb-burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- Hero ---------- */
.gb-hero{
  position:relative;overflow:hidden;
  background:var(--gb-night);
  color:var(--gb-night-text);
  border-bottom:1px solid var(--gb-line);
}
.gb-hero__bg{
  position:absolute;inset:0;
  background-image:linear-gradient(105deg,rgba(18,20,23,.9) 0%,rgba(18,20,23,.72) 52%,rgba(18,20,23,.42) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.gb-hero__inner{position:relative;padding:56px 0 72px;}
.gb-crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(242,238,232,.7);margin-bottom:28px;
}
.gb-crumbs a{color:rgba(242,238,232,.7);}
.gb-crumbs a:hover{color:#fff;}
.gb-crumbs span[aria-current]{color:#fff;font-weight:600;}
.gb-hero h1{
  font-size:clamp(34px,5vw,62px);
  font-weight:800;letter-spacing:-.02em;line-height:1.08;
  max-width:16em;
}
.gb-hero__lead{
  margin-top:20px;max-width:34em;
  font-size:clamp(16px,1.5vw,18px);line-height:1.7;
  color:rgba(242,238,232,.82);
}
.gb-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
.gb-hero__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;}
.gb-chip{
  display:inline-flex;align-items:center;gap:7px;
  border:1px solid rgba(255,255,255,.22);
  border-radius:var(--gb-pill);
  padding:7px 14px;font-size:13px;color:rgba(242,238,232,.86);
}
.gb-chip .gb-dot{background:#3FCE9C;}

/* ---------- 通用板块 ---------- */
.gb-section{padding:var(--gb-sec) 0;}
.gb-section--tight{padding:calc(var(--gb-sec) * .68) 0;}
.gb-section--paper{background:var(--gb-paper);}
.gb-sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  margin-bottom:44px;
}
.gb-sec-head__text{max-width:42em;}
.gb-eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--gb-accent);text-transform:uppercase;margin-bottom:14px;
}
.gb-sec-head h2{font-size:clamp(24px,3vw,40px);font-weight:700;letter-spacing:-.015em;}
.gb-sec-head p{margin-top:14px;color:var(--gb-muted);font-size:16px;line-height:1.75;}
.gb-rule{height:1px;background:var(--gb-line);border:0;margin:0;}

/* ---------- 精选内容：非对称 7/5 ---------- */
.gb-featured{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.gb-featured__col{display:grid;gap:24px;}
.gb-fcard{
  position:relative;display:block;overflow:hidden;
  background:var(--gb-paper);
  border:1px solid var(--gb-line);
  border-radius:var(--gb-radius);
  box-shadow:var(--gb-shadow);
  transition:transform .22s cubic-bezier(.2,.7,.2,1),box-shadow .22s,border-color .22s;
}
.gb-fcard:hover{transform:translateY(-4px);box-shadow:var(--gb-shadow-hover);border-color:#CFC7BB;}
.gb-fcard__media{position:relative;overflow:hidden;background:#EDE8E0;aspect-ratio:16/9;}
.gb-fcard__media img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s cubic-bezier(.2,.7,.2,1);}
.gb-fcard:hover .gb-fcard__media img{transform:scale(1.03);}
.gb-fcard__body{padding:26px 28px 28px;}
.gb-fcard__body h3{font-size:20px;font-weight:700;line-height:1.35;}
.gb-fcard__body p{margin-top:10px;color:var(--gb-muted);font-size:15px;line-height:1.7;}
.gb-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:18px;font-size:13px;color:var(--gb-muted);letter-spacing:.02em;
}
.gb-tag{
  display:inline-flex;align-items:center;
  background:#FBEDE7;color:var(--gb-accent);
  border-radius:var(--gb-pill);padding:5px 12px;font-size:12px;font-weight:700;letter-spacing:.02em;
}
.gb-tag--green{background:rgba(31,107,87,.1);color:var(--gb-green);}
.gb-tag--ink{background:#EFEBE4;color:#3A3F46;}
.gb-badge-pos{
  position:absolute;top:14px;left:14px;z-index:2;
  background:rgba(18,20,23,.82);color:#fff;
  border-radius:var(--gb-pill);padding:5px 12px;font-size:12px;font-weight:600;letter-spacing:.02em;
}
.gb-fcard--wide .gb-fcard__media{aspect-ratio:16/9;}
.gb-fcard--small .gb-fcard__media{aspect-ratio:4/3;}
.gb-fcard--small .gb-fcard__body{padding:20px 22px 22px;}
.gb-fcard--small .gb-fcard__body h3{font-size:17px;}

/* ---------- 筛选条 ---------- */
.gb-toolbar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:20px;margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--gb-line);
}
.gb-filters{display:flex;flex-wrap:wrap;gap:10px;}
.gb-filter{
  border:1px solid var(--gb-line);background:transparent;color:#3A3F46;
  border-radius:var(--gb-pill);padding:9px 18px;font-size:14px;font-weight:600;
  cursor:pointer;transition:background .18s,color .18s,border-color .18s,transform .18s;
}
.gb-filter:hover{border-color:var(--gb-ink);color:var(--gb-ink);transform:translateY(-1px);}
.gb-filter.is-active{background:var(--gb-ink);border-color:var(--gb-ink);color:var(--gb-night-text);}
.gb-toolbar__count{font-size:13px;color:var(--gb-muted);letter-spacing:.02em;}

/* ---------- 内容网格 ---------- */
.gb-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.gb-ccard{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--gb-paper);border:1px solid var(--gb-line);
  border-radius:var(--gb-radius);box-shadow:var(--gb-shadow);
  transition:transform .22s cubic-bezier(.2,.7,.2,1),box-shadow .22s,border-color .22s;
}
.gb-ccard:hover{transform:translateY(-4px);box-shadow:var(--gb-shadow-hover);border-color:#CFC7BB;}
.gb-ccard__media{position:relative;overflow:hidden;aspect-ratio:16/9;background:#EDE8E0;}
.gb-ccard__media img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s cubic-bezier(.2,.7,.2,1);}
.gb-ccard:hover .gb-ccard__media img{transform:scale(1.03);}
.gb-ccard__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.gb-ccard__body h3{font-size:18px;font-weight:700;line-height:1.4;}
.gb-ccard__body p{margin-top:10px;font-size:14.5px;line-height:1.7;color:var(--gb-muted);flex:1;}
.gb-ccard__meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;padding-top:16px;border-top:1px solid var(--gb-line);
  font-size:12.5px;color:var(--gb-muted);letter-spacing:.02em;
}
.gb-ccard__meta .gb-tag{padding:4px 10px;font-size:11.5px;}
.gb-ccard.is-hidden{display:none;}

/* ---------- 分页条 ---------- */
.gb-pager{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:44px;flex-wrap:wrap;}
.gb-pager span{
  min-width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--gb-line);border-radius:var(--gb-radius);
  font-size:14px;color:#3A3F46;background:var(--gb-paper);
  font-variant-numeric:tabular-nums;padding:0 12px;
}
.gb-pager span.is-current{background:var(--gb-ink);border-color:var(--gb-ink);color:var(--gb-night-text);font-weight:700;}
.gb-pager span.is-muted{color:#A9ADB3;background:transparent;border-style:dashed;}

/* ---------- 深色等级区块 ---------- */
.gb-night{background:var(--gb-night);color:var(--gb-night-text);}
.gb-night .gb-eyebrow{color:#FF9B78;}
.gb-night h2{color:var(--gb-night-text);}
.gb-night p{color:rgba(242,238,232,.74);}
.gb-tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px;}
.gb-tier{
  border:1px solid var(--gb-night-line);border-radius:var(--gb-radius);
  padding:28px 26px 30px;background:rgba(255,255,255,.03);
  transition:border-color .2s,background .2s,transform .2s;
}
.gb-tier:hover{border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.055);transform:translateY(-4px);}
.gb-tier--hot{background:rgba(224,82,42,.1);border-color:rgba(224,82,42,.42);}
.gb-tier__no{
  font-size:64px;font-weight:800;line-height:1;letter-spacing:-.04em;
  color:transparent;-webkit-text-stroke:1px rgba(242,238,232,.42);
  font-variant-numeric:tabular-nums;
}
.gb-tier h3{font-size:20px;margin-top:16px;color:var(--gb-night-text);}
.gb-tier__sub{font-size:13px;color:rgba(242,238,232,.6);margin-top:6px;letter-spacing:.02em;}
.gb-tier ul{margin-top:20px;display:grid;gap:10px;}
.gb-tier li{
  position:relative;padding-left:22px;font-size:14.5px;color:rgba(242,238,232,.84);line-height:1.65;
}
.gb-tier li::before{
  content:"";position:absolute;left:0;top:.62em;width:9px;height:2px;background:#3FCE9C;border-radius:2px;
}

/* ---------- 更新节奏时间线 ---------- */
.gb-timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.gb-timeline::before{
  content:"";position:absolute;left:0;right:0;top:19px;height:1px;background:var(--gb-line);
}
.gb-step{position:relative;padding-top:52px;}
.gb-step__dot{
  position:absolute;top:8px;left:0;width:24px;height:24px;border-radius:50%;
  background:var(--gb-paper);border:2px solid var(--gb-accent);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:800;color:var(--gb-accent);font-variant-numeric:tabular-nums;
}
.gb-step h3{font-size:17px;}
.gb-step p{margin-top:8px;font-size:14.5px;color:var(--gb-muted);line-height:1.7;}

/* ---------- FAQ ---------- */
.gb-faq{border-top:1px solid var(--gb-line);}
.gb-faq .accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--gb-line);border-radius:0;
}
.gb-faq .accordion-button{
  background:transparent;color:var(--gb-ink);
  font-size:17px;font-weight:600;line-height:1.5;
  padding:22px 44px 22px 0;box-shadow:none;
}
.gb-faq .accordion-button:not(.collapsed){color:var(--gb-ink);background:transparent;}
.gb-faq .accordion-button:focus{box-shadow:0 0 0 3px rgba(224,82,42,.2);border-radius:var(--gb-radius);}
.gb-faq .accordion-button::after{
  background-image:none;
  content:"+";font-size:22px;line-height:1;font-weight:400;color:var(--gb-accent);
  width:22px;height:22px;display:flex;align-items:center;justify-content:center;
  transition:transform .2s cubic-bezier(.2,.7,.2,1);
}
.gb-faq .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.gb-faq .accordion-body{
  padding:0 0 26px;font-size:15.5px;line-height:1.8;color:var(--gb-muted);
  background:transparent;
}
.gb-faq .accordion-body strong{color:var(--gb-ink);font-weight:600;}

/* ---------- CTA 深色 ---------- */
.gb-cta{
  position:relative;overflow:hidden;background:var(--gb-night);color:var(--gb-night-text);
  border-radius:var(--gb-radius);
  padding:clamp(36px,5vw,64px);
}
.gb-cta__bg{
  position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(22,24,28,.94),rgba(22,24,28,.72)),
    url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
}
.gb-cta__inner{position:relative;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;}
.gb-cta h2{font-size:clamp(24px,3vw,36px);line-height:1.25;}
.gb-cta p{margin-top:14px;color:rgba(242,238,232,.76);}
.gb-cta__actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
.gb-cta__note{margin-top:16px;font-size:13px;color:rgba(242,238,232,.56);letter-spacing:.02em;}

/* ---------- 页脚 ---------- */
.gb-footer{background:var(--gb-night);color:rgba(242,238,232,.72);padding:72px 0 0;}
.gb-footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px;}
.gb-footer__brand p{margin-top:18px;font-size:14.5px;line-height:1.8;max-width:26em;color:rgba(242,238,232,.6);}
.gb-footer .gb-logo__top{color:var(--gb-night-text);}
.gb-footer .gb-logo__bottom{color:rgba(242,238,232,.55);}
.gb-footer .gb-logo:hover .gb-logo__top{color:#fff;}
.gb-footer h4{
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:rgba(242,238,232,.48);font-weight:700;margin-bottom:18px;
}
.gb-footer ul{display:grid;gap:12px;}
.gb-footer ul a,.gb-footer ul span{font-size:14.5px;color:rgba(242,238,232,.74);}
.gb-footer ul a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.gb-footer__bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  border-top:1px solid var(--gb-night-line);padding:24px 0 28px;
  font-size:13px;color:rgba(242,238,232,.5);letter-spacing:.02em;
}

/* ---------- 入场动效 ---------- */
.gb-reveal{opacity:0;transform:translateY(12px);transition:opacity .5s cubic-bezier(.2,.7,.2,1),transform .5s cubic-bezier(.2,.7,.2,1);}
.gb-reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--gb-sec:84px;}
  .gb-nav{gap:18px;}
  .gb-nav a{font-size:14px;}
}
@media (max-width:991px){
  :root{--gb-sec:72px;}
  .gb-burger{display:flex;}
  .gb-header__actions{display:none;}
  .gb-nav{
    position:fixed;inset:0;z-index:70;
    background:var(--gb-bg);
    flex-direction:column;align-items:stretch;gap:0;
    padding:96px 24px 32px;margin:0;
    transform:translateX(100%);
    transition:transform .24s cubic-bezier(.2,.7,.2,1);
    overflow-y:auto;
  }
  body.gb-nav-open .gb-nav{transform:translateX(0);}
  body.gb-nav-open{overflow:hidden;}
  .gb-nav a{
    padding:16px 0;font-size:17px;border-bottom:1px solid var(--gb-line);
  }
  .gb-nav a::after{display:none;}
  .gb-nav a.is-active{color:var(--gb-accent);}
  .gb-nav__cta{display:flex;flex-direction:column;gap:12px;margin-top:24px;}
  .gb-nav__cta .gb-btn{height:48px;width:100%;}
  .gb-featured{grid-template-columns:1fr;}
  .gb-grid{grid-template-columns:repeat(2,1fr);}
  .gb-tiers{grid-template-columns:1fr;}
  .gb-timeline{grid-template-columns:repeat(2,1fr);row-gap:32px;}
  .gb-timeline::before{display:none;}
  .gb-step{padding-top:0;padding-left:40px;}
  .gb-step__dot{top:2px;}
  .gb-cta__inner{grid-template-columns:1fr;}
  .gb-cta__actions{justify-content:flex-start;}
  .gb-footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
  .gb-sec-head{flex-direction:column;align-items:flex-start;gap:20px;}
}
@media (max-width:575px){
  :root{--gb-sec:48px;}
  .shell{padding:0 18px;}
  .gb-hero__inner{padding:40px 0 52px;}
  .gb-grid{grid-template-columns:1fr;}
  .gb-footer__grid{grid-template-columns:1fr;gap:28px;}
  .gb-topbar__status{display:none;}
  .gb-topbar__inner{justify-content:space-between;gap:10px;}
  .gb-countdown{font-size:12px;gap:6px;}
  .gb-countdown__label{display:none;}
  .gb-toolbar{flex-direction:column;align-items:flex-start;}
  .gb-filters{gap:8px;}
  .gb-filter{padding:8px 14px;font-size:13px;}
  .gb-timeline{grid-template-columns:1fr;}
  .gb-featured__col{gap:18px;}
  .gb-fcard__body{padding:20px 20px 22px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .gb-reveal{opacity:1;transform:none;}
}

/* roulang page: category4 */
:root{
  --gb-bg:#F7F4EF;
  --gb-card:#FFFFFF;
  --gb-card-2:#FBFAF7;
  --gb-ink:#121417;
  --gb-ink-soft:#2A2E34;
  --gb-muted:#6B7078;
  --gb-line:#E4DFD7;
  --gb-line-strong:#CFC7BA;
  --gb-accent:#E0522A;
  --gb-accent-dark:#C74420;
  --gb-accent-soft:#FBEDE7;
  --gb-green:#1F6B57;
  --gb-green-soft:#EAF3EF;
  --gb-night:#16181C;
  --gb-night-text:#F2EEE8;
  --gb-night-line:rgba(255,255,255,.12);
  --gb-danger:#B3261E;
  --gb-radius:6px;
  --gb-radius-sm:4px;
  --gb-shadow:0 18px 40px -28px rgba(18,20,23,.35);
  --gb-shadow-hover:0 26px 52px -26px rgba(18,20,23,.44);
  --gb-ease:cubic-bezier(.2,.7,.2,1);
  --gb-t:200ms var(--gb-ease);
  --gb-shell:1200px;
  --gb-space:104px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--gb-bg);
  color:var(--gb-ink);
  font-family:"Inter","Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--gb-ink);text-decoration:none;transition:color var(--gb-t);}
a:hover{color:var(--gb-accent);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.2;color:var(--gb-ink);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(224,82,42,.32);outline-offset:2px;border-radius:2px;}
.gb-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.shell{width:100%;max-width:var(--gb-shell);margin:0 auto;padding:0 24px;}

/* ============ 顶部活动条 ============ */
.gb-topbar{background:var(--gb-night);color:var(--gb-night-text);font-size:13px;letter-spacing:.02em;}
.gb-topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;}
.gb-topbar__badge{display:inline-flex;align-items:center;gap:8px;color:#CFE6DD;}
.gb-dot{width:7px;height:7px;border-radius:50%;background:#3FBE93;box-shadow:0 0 0 3px rgba(63,190,147,.18);display:inline-block;flex:0 0 auto;}
.gb-topbar__count{display:inline-flex;align-items:center;gap:8px;color:#EFD9D0;}
.gb-topbar__count b{color:#fff;font-variant-numeric:tabular-nums;letter-spacing:.08em;font-weight:700;}
.gb-topbar__link{color:var(--gb-night-text);border-bottom:1px solid rgba(242,238,232,.4);padding-bottom:1px;}
.gb-topbar__link:hover{color:#fff;border-bottom-color:#fff;}

/* ============ 头部导航 ============ */
.gb-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,244,239,.96);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--gb-line);
  transition:box-shadow var(--gb-t);
}
.gb-header.is-stuck{box-shadow:0 12px 28px -22px rgba(18,20,23,.6);}
.gb-header__inner{display:flex;align-items:center;gap:28px;min-height:70px;}
.gb-logo{display:inline-flex;flex-direction:column;line-height:1.1;color:var(--gb-ink);flex:0 0 auto;}
.gb-logo:hover{color:var(--gb-ink);}
.gb-logo__top{font-size:19px;font-weight:800;letter-spacing:-.02em;}
.gb-logo__bottom{font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--gb-muted);margin-top:3px;}
.gb-logo:hover .gb-logo__bottom{color:var(--gb-accent);}
.gb-nav{display:flex;align-items:center;gap:24px;margin-left:auto;flex-wrap:nowrap;}
.gb-nav a{
  position:relative;font-size:15px;color:var(--gb-ink-soft);padding:22px 0;white-space:nowrap;
  transition:color var(--gb-t);
}
.gb-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;background:var(--gb-accent);
  transform:scaleX(0);transform-origin:left;transition:transform var(--gb-t);
}
.gb-nav a:hover{color:var(--gb-ink);}
.gb-nav a:hover::after{transform:scaleX(1);}
.gb-nav a.is-active{color:var(--gb-ink);font-weight:700;}
.gb-nav a.is-active::after{transform:scaleX(1);}
.gb-header__actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}

.gb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--gb-radius-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  padding:14px 22px;transition:background var(--gb-t),color var(--gb-t),border-color var(--gb-t),transform var(--gb-t),box-shadow var(--gb-t);
  text-align:center;
}
.gb-btn--primary{background:var(--gb-accent);color:#fff;border-color:var(--gb-accent);}
.gb-btn--primary:hover{background:var(--gb-accent-dark);border-color:var(--gb-accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--gb-shadow);}
.gb-btn--primary:active{transform:translateY(0);}
.gb-btn--ghost{background:transparent;color:var(--gb-ink);border-color:var(--gb-ink);}
.gb-btn--ghost:hover{background:var(--gb-ink);color:var(--gb-night-text);border-color:var(--gb-ink);}
.gb-btn--light{background:var(--gb-night-text);color:var(--gb-night);border-color:var(--gb-night-text);}
.gb-btn--light:hover{background:#fff;color:var(--gb-night);}
.gb-btn--outline-light{background:transparent;color:var(--gb-night-text);border-color:rgba(242,238,232,.45);}
.gb-btn--outline-light:hover{background:rgba(242,238,232,.12);color:#fff;border-color:var(--gb-night-text);}
.gb-btn--sm{padding:10px 16px;font-size:14px;}
.gb-btn--block{width:100%;}
.gb-btn[disabled],.gb-btn.is-disabled{opacity:.45;pointer-events:none;}

.gb-burger{
  display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--gb-line-strong);
  border-radius:var(--gb-radius-sm);background:var(--gb-card);padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.gb-burger span{display:block;width:18px;height:2px;background:var(--gb-ink);transition:transform var(--gb-t),opacity var(--gb-t);}
.gb-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.gb-burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.gb-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.gb-drawer{
  position:fixed;inset:0;z-index:1040;background:var(--gb-bg);
  padding:20px 24px 32px;display:none;flex-direction:column;gap:22px;overflow-y:auto;
}
.gb-drawer.is-open{display:flex;}
.gb-drawer__head{display:flex;align-items:center;justify-content:space-between;}
.gb-drawer__close{
  width:44px;height:44px;border-radius:var(--gb-radius-sm);border:1px solid var(--gb-line-strong);
  background:var(--gb-card);font-size:18px;color:var(--gb-ink);cursor:pointer;
}
.gb-drawer__count{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:var(--gb-night);color:var(--gb-night-text);border-radius:var(--gb-radius);
  padding:12px 16px;font-size:13px;
}
.gb-drawer__links{display:flex;flex-direction:column;border-top:1px solid var(--gb-line);}
.gb-drawer__links a{
  padding:16px 4px;border-bottom:1px solid var(--gb-line);font-size:16px;color:var(--gb-ink);
}
.gb-drawer__links a.is-active{color:var(--gb-accent);font-weight:700;}
.gb-drawer__actions{display:flex;flex-direction:column;gap:12px;margin-top:auto;}
.gb-drawer__actions .gb-btn{width:100%;height:48px;}

/* ============ 通用板块 ============ */
.gb-section{padding:var(--gb-space) 0;}
.gb-section--tight{padding:56px 0;}
.gb-section--paper{background:var(--gb-card);border-top:1px solid var(--gb-line);border-bottom:1px solid var(--gb-line);}
.gb-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--gb-accent);
  text-transform:uppercase;margin-bottom:16px;
}
.gb-eyebrow::before{content:"";width:22px;height:2px;background:var(--gb-accent);display:inline-block;}
.gb-h2{font-size:clamp(24px,3vw,38px);font-weight:700;letter-spacing:-.02em;}
.gb-lead{font-size:17px;color:var(--gb-muted);line-height:1.78;max-width:62ch;margin-top:14px;}
.gb-section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.gb-tag{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  padding:5px 12px;font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--gb-accent-soft);color:var(--gb-accent-dark);border:1px solid rgba(224,82,42,.18);
}
.gb-tag--green{background:var(--gb-green-soft);color:var(--gb-green);border-color:rgba(31,107,87,.18);}
.gb-tag--plain{background:var(--gb-card-2);color:var(--gb-muted);border-color:var(--gb-line);}

/* ============ 内页 banner ============ */
.gb-banner{padding:56px 0 0;}
.gb-banner__grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.gb-banner h1{font-size:clamp(32px,4.4vw,54px);font-weight:800;letter-spacing:-.02em;line-height:1.1;}
.gb-banner__sub{font-size:17px;line-height:1.8;color:var(--gb-muted);margin-top:18px;max-width:56ch;}
.gb-banner__actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px;}
.gb-banner__chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px;}
.gb-banner__figure{position:relative;border-radius:var(--gb-radius);overflow:hidden;border:1px solid var(--gb-line);box-shadow:var(--gb-shadow);}
.gb-banner__figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.gb-banner__figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,20,23,.05) 0%,rgba(18,20,23,.45) 100%);
}
.gb-banner__caption{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:2;color:#fff;
  font-size:13px;letter-spacing:.02em;line-height:1.6;
}

/* ============ 锚点定位条 ============ */
.gb-anchors{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px;}
.gb-anchor{
  display:flex;align-items:flex-start;gap:14px;background:var(--gb-card);
  border:1px solid var(--gb-line);border-radius:var(--gb-radius);padding:22px 24px;
  transition:transform var(--gb-t),border-color var(--gb-t),box-shadow var(--gb-t);
}
.gb-anchor:hover{transform:translateY(-4px);border-color:var(--gb-line-strong);box-shadow:var(--gb-shadow-hover);color:var(--gb-ink);}
.gb-anchor__idx{
  font-size:13px;font-weight:800;color:var(--gb-accent);border:1px solid rgba(224,82,42,.28);
  border-radius:50%;width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 auto;margin-top:2px;
}
.gb-anchor__t{font-size:16px;font-weight:700;margin-bottom:4px;}
.gb-anchor__d{font-size:13px;color:var(--gb-muted);line-height:1.65;}

/* ============ 两栏 FAQ 布局 ============ */
.gb-faq-layout{display:grid;grid-template-columns:8fr 4fr;gap:36px;align-items:start;}
.gb-group{margin-bottom:44px;scroll-margin-top:110px;}
.gb-group:last-child{margin-bottom:0;}
.gb-group__head{display:flex;align-items:center;gap:14px;margin-bottom:8px;}
.gb-group__icon{
  width:40px;height:40px;border-radius:var(--gb-radius-sm);display:inline-flex;align-items:center;justify-content:center;
  background:var(--gb-accent-soft);color:var(--gb-accent-dark);font-size:16px;flex:0 0 auto;
}
.gb-group__head h2{font-size:22px;}
.gb-group__desc{font-size:14px;color:var(--gb-muted);margin:0 0 18px 54px;}

.gb-faq{border-top:1px solid var(--gb-line);}
.gb-faq__item{border-bottom:1px solid var(--gb-line);}
.gb-faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:transparent;border:0;text-align:left;padding:20px 4px;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--gb-ink);transition:color var(--gb-t);
  line-height:1.55;
}
.gb-faq__q:hover{color:var(--gb-accent-dark);}
.gb-faq__icon{position:relative;flex:0 0 auto;width:18px;height:18px;}
.gb-faq__icon::before,.gb-faq__icon::after{
  content:"";position:absolute;background:var(--gb-accent);border-radius:1px;transition:transform var(--gb-t);
}
.gb-faq__icon::before{left:0;top:8px;width:18px;height:2px;}
.gb-faq__icon::after{left:8px;top:0;width:2px;height:18px;}
.gb-faq__q[aria-expanded="true"] .gb-faq__icon::after{transform:rotate(90deg);}
.gb-faq__q[aria-expanded="true"]{color:var(--gb-ink);}
.gb-faq__a{
  background:var(--gb-card-2);border-radius:var(--gb-radius);
  padding:18px 22px;margin:0 0 18px;font-size:15px;color:var(--gb-ink-soft);line-height:1.8;
  animation:gbFade 200ms var(--gb-ease) both;
}
.gb-faq__a ul{list-style:none;margin:10px 0 0;padding:0;}
.gb-faq__a li{position:relative;padding-left:16px;margin-bottom:6px;font-size:14px;color:var(--gb-muted);}
.gb-faq__a li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--gb-accent);opacity:.65;}
@keyframes gbFade{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ============ 右侧联系卡 ============ */
.gb-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.gb-contact{
  background:var(--gb-card);border:1px solid var(--gb-line);border-radius:var(--gb-radius);
  padding:28px;box-shadow:var(--gb-shadow);
}
.gb-contact h3{font-size:18px;margin-bottom:8px;}
.gb-contact__note{font-size:13.5px;color:var(--gb-muted);line-height:1.7;}
.gb-contact__rows{margin:18px 0 20px;border-top:1px solid var(--gb-line);}
.gb-contact__row{
  display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
  padding:11px 0;border-bottom:1px solid var(--gb-line);font-size:13.5px;
}
.gb-contact__row dt{color:var(--gb-muted);flex:0 0 auto;}
.gb-contact__row dd{margin:0;text-align:right;font-weight:600;color:var(--gb-ink);}
.gb-contact__state{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--gb-green);font-weight:600;
  background:var(--gb-green-soft);border:1px solid rgba(31,107,87,.16);border-radius:999px;
  padding:6px 12px;margin-bottom:16px;
}
.gb-contact__list{margin:14px 0 20px;padding:0;list-style:none;}
.gb-contact__list li{
  position:relative;padding-left:18px;font-size:13.5px;color:var(--gb-muted);margin-bottom:8px;line-height:1.65;
}
.gb-contact__list li::before{
  content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:2px;
  background:var(--gb-accent);opacity:.7;
}
.gb-side-card{
  background:var(--gb-night);color:var(--gb-night-text);border-radius:var(--gb-radius);padding:24px;
  border:1px solid var(--gb-night-line);
}
.gb-side-card h3{color:var(--gb-night-text);font-size:16px;margin-bottom:10px;}
.gb-side-card p{font-size:13.5px;color:rgba(242,238,232,.72);line-height:1.7;margin-bottom:16px;}

/* ============ 自助排查步骤 ============ */
.gb-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step;}
.gb-step{
  background:var(--gb-card);border:1px solid var(--gb-line);border-radius:var(--gb-radius);
  padding:28px 24px;position:relative;transition:transform var(--gb-t),box-shadow var(--gb-t),border-color var(--gb-t);
}
.gb-step:hover{transform:translateY(-4px);box-shadow:var(--gb-shadow-hover);border-color:var(--gb-line-strong);}
.gb-step__n{
  font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--gb-accent);
  display:block;margin-bottom:14px;
}
.gb-step h3{font-size:16px;margin-bottom:8px;}
.gb-step p{font-size:13.5px;color:var(--gb-muted);line-height:1.7;margin:0;}
.gb-step::after{
  content:"";position:absolute;left:24px;right:24px;bottom:0;height:2px;background:var(--gb-accent);
  transform:scaleX(0);transform-origin:left;transition:transform 240ms var(--gb-ease);
}
.gb-step:hover::after{transform:scaleX(1);}

/* ============ 相关频道卡片 ============ */
.gb-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.gb-card{
  display:flex;flex-direction:column;background:var(--gb-card);border:1px solid var(--gb-line);
  border-radius:var(--gb-radius);overflow:hidden;
  transition:transform var(--gb-t),box-shadow var(--gb-t),border-color var(--gb-t);
}
.gb-card:hover{transform:translateY(-4px);box-shadow:var(--gb-shadow-hover);border-color:var(--gb-line-strong);color:var(--gb-ink);}
.gb-card__media{overflow:hidden;background:var(--gb-card-2);}
.gb-card__media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 1.2s var(--gb-ease);}
.gb-card:hover .gb-card__media img{transform:scale(1.03);}
.gb-card__body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.gb-card__body h3{font-size:18px;}
.gb-card__body p{font-size:14px;color:var(--gb-muted);line-height:1.7;margin:0;}
.gb-card__link{
  margin-top:auto;font-size:14px;font-weight:700;color:var(--gb-accent-dark);
  display:inline-flex;align-items:center;gap:8px;
}
.gb-card:hover .gb-card__link{color:var(--gb-accent);}

/* ============ 深色 CTA ============ */
.gb-cta{
  background:var(--gb-night);color:var(--gb-night-text);border-radius:8px;
  padding:64px 56px;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;
  border:1px solid var(--gb-night-line);
}
.gb-cta h2{color:var(--gb-night-text);font-size:clamp(24px,3vw,36px);letter-spacing:-.02em;}
.gb-cta p{color:rgba(242,238,232,.72);font-size:15px;line-height:1.8;margin-top:14px;max-width:52ch;}
.gb-cta__actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end;}

/* ============ 页脚 ============ */
.gb-footer{background:var(--gb-night);color:rgba(242,238,232,.75);padding:72px 0 0;margin-top:0;}
.gb-footer .gb-logo__top{color:var(--gb-night-text);}
.gb-footer .gb-logo__bottom{color:rgba(242,238,232,.55);}
.gb-footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px;}
.gb-footer__brand p{font-size:13.5px;line-height:1.8;margin-top:16px;max-width:34ch;color:rgba(242,238,232,.6);}
.gb-footer h4{font-size:14px;color:var(--gb-night-text);letter-spacing:.04em;margin-bottom:16px;}
.gb-footer ul li{margin-bottom:10px;}
.gb-footer ul a,.gb-footer ul span{font-size:13.5px;color:rgba(242,238,232,.68);}
.gb-footer ul a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.gb-footer__bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--gb-night-line);padding:22px 0 26px;font-size:12.5px;
  color:rgba(242,238,232,.55);letter-spacing:.02em;
}

/* ============ 动效 ============ */
.gb-reveal{opacity:0;transform:translateY(12px);transition:opacity 480ms var(--gb-ease),transform 480ms var(--gb-ease);}
.gb-reveal.is-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .gb-nav{gap:18px;}
  .gb-nav a{font-size:14px;}
}
@media (max-width:1080px){
  .gb-nav,.gb-header__actions{display:none;}
  .gb-burger{display:flex;}
  .gb-banner__grid{grid-template-columns:1fr;gap:32px;}
  .gb-faq-layout{grid-template-columns:1fr;gap:32px;}
  .gb-aside{position:static;}
  .gb-steps{grid-template-columns:repeat(2,1fr);}
  .gb-cards{grid-template-columns:repeat(2,1fr);}
  .gb-footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
  .gb-cta{grid-template-columns:1fr;padding:48px 36px;}
  .gb-cta__actions{justify-content:flex-start;}
}
@media (max-width:860px){
  :root{--gb-space:72px;}
  .gb-anchors{grid-template-columns:1fr;}
  .gb-section__head{margin-bottom:28px;}
}
@media (max-width:640px){
  :root{--gb-space:48px;}
  .shell{padding:0 18px;}
  .gb-topbar__badge{display:none;}
  .gb-topbar__inner{justify-content:space-between;min-height:36px;}
  .gb-banner{padding-top:36px;}
  .gb-banner__actions .gb-btn{width:100%;}
  .gb-steps{grid-template-columns:1fr;}
  .gb-cards{grid-template-columns:1fr;}
  .gb-footer__grid{grid-template-columns:1fr;gap:28px;}
  .gb-cta{padding:36px 22px;}
  .gb-contact{padding:22px;}
  .gb-faq__q{font-size:16px;padding:18px 2px;}
  .gb-faq__a{padding:16px 16px;}
  .gb-group__desc{margin-left:0;}
  .gb-header__inner{min-height:62px;gap:16px;}
  .gb-logo__top{font-size:17px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
  .gb-reveal{opacity:1;transform:none;}
}

/* roulang page: category5 */
:root{
  --paper:#F7F4EF;
  --card:#FFFFFF;
  --ink:#121417;
  --ink-soft:#3A3F45;
  --muted:#6B7078;
  --line:#E4DFD7;
  --line-strong:#C9C0B3;
  --accent:#E0522A;
  --accent-dark:#C4451F;
  --accent-soft:#FBEDE7;
  --green:#1F6B57;
  --night:#16181C;
  --night-text:#F2EEE8;
  --danger:#B3261E;
  --shadow:0 18px 40px -28px rgba(18,20,23,.35);
  --shadow-hover:0 24px 46px -26px rgba(18,20,23,.45);
  --r-card:6px;
  --r-btn:4px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --shell:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Segoe UI","Helvetica Neue",-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
img{max-width:100%;display:block;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(224,82,42,.28);border-radius:4px}
.gb-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 24px}

/* ---------- 顶部活动条 ---------- */
.gb-topbar{background:var(--ink);color:var(--night-text);font-size:13px;letter-spacing:.02em}
.gb-topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px}
.gb-topbar__status{display:inline-flex;align-items:center;gap:8px;color:rgba(242,238,232,.82)}
.gb-dot{width:7px;height:7px;border-radius:50%;background:#3FBF8C;display:inline-block;box-shadow:0 0 0 3px rgba(63,191,140,.22)}
.gb-topbar__timer{color:rgba(242,238,232,.9);font-variant-numeric:tabular-nums}
.gb-topbar__timer .gb-num{color:#fff;font-weight:700;letter-spacing:.06em;margin-left:6px}
.gb-topbar__link{color:#fff;border-bottom:1px solid rgba(242,238,232,.45);padding-bottom:1px}
.gb-topbar__link:hover{color:#fff;border-bottom-color:var(--accent)}

/* ---------- 主导航 ---------- */
.gb-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,244,239,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.gb-header.is-stuck{box-shadow:0 14px 30px -24px rgba(18,20,23,.6)}
.gb-header__inner{display:flex;align-items:center;gap:28px;height:68px}
.gb-logo{display:inline-flex;flex-direction:column;line-height:1.08;font-weight:800;letter-spacing:-.01em;flex:none}
.gb-logo__top{font-size:15px}
.gb-logo__bottom{font-size:11px;letter-spacing:.06em;color:var(--muted);font-weight:700;margin-top:2px}
.gb-nav{display:flex;align-items:center;gap:24px;margin-left:auto}
.gb-nav > a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-soft);padding:6px 0;white-space:nowrap;
}
.gb-nav > a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.gb-nav > a:hover{color:var(--ink)}
.gb-nav > a:hover::after,.gb-nav > a.is-active::after{transform:scaleX(1)}
.gb-nav > a.is-active{color:var(--ink);font-weight:700}
.gb-nav__cta{display:none}
.gb-header__actions{display:flex;align-items:center;gap:10px;flex:none}
.gb-burger{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:6px;
  position:relative;z-index:57;padding:0;
}
.gb-burger span{display:block;width:18px;height:2px;background:var(--ink);margin:4px auto;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.gb-header.is-open .gb-burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.gb-header.is-open .gb-burger span:nth-child(2){opacity:0}
.gb-header.is-open .gb-burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.gb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 24px;border-radius:var(--r-btn);border:1px solid transparent;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
  text-align:center;
}
.gb-btn--primary{background:var(--accent);color:#fff}
.gb-btn--primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px)}
.gb-btn--primary:active{transform:translateY(0)}
.gb-btn--ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.gb-btn--ghost:hover{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.gb-btn--onDark{border-color:rgba(242,238,232,.55);color:var(--night-text)}
.gb-btn--onDark:hover{background:var(--night-text);border-color:var(--night-text);color:var(--ink)}
.gb-btn--sm{padding:9px 16px;font-size:14px}
.gb-btn--block{width:100%}
.gb-btn[disabled]{opacity:.45;pointer-events:none}

/* ---------- 通用板块 ---------- */
.gb-section{padding:104px 0}
.gb-section--tight{padding:72px 0}
.gb-section--paper{background:var(--paper)}
.gb-section--white{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.gb-head{max-width:780px;margin-bottom:44px}
.gb-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--accent);margin-bottom:14px;
}
.gb-h2{font-size:clamp(24px,3vw,40px);font-weight:700;line-height:1.2;letter-spacing:-.02em;color:var(--ink)}
.gb-sub{margin-top:14px;font-size:17px;line-height:1.75;color:var(--muted);max-width:720px}
.gb-reveal{opacity:0;transform:translateY(12px);transition:opacity .52s var(--ease),transform .52s var(--ease)}
.gb-reveal.is-in{opacity:1;transform:none}

/* ---------- Hero ---------- */
.gb-hero{
  position:relative;overflow:hidden;color:var(--night-text);
  background-image:linear-gradient(105deg,rgba(18,20,23,.94) 0%,rgba(18,20,23,.86) 46%,rgba(18,20,23,.62) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  padding:76px 0 84px;
}
.gb-hero__inner{position:relative;z-index:2;max-width:880px}
.gb-crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(242,238,232,.7);margin-bottom:26px;letter-spacing:.02em}
.gb-crumb a{color:rgba(242,238,232,.7)}
.gb-crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.gb-crumb span[aria-current]{color:rgba(242,238,232,.95)}
.gb-eyebrow{
  display:inline-flex;align-items:center;gap:9px;padding:7px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(242,238,232,.24);background:rgba(255,255,255,.06);
  font-size:13px;font-weight:600;letter-spacing:.02em;color:rgba(242,238,232,.94);margin-bottom:22px;
}
.gb-hero h1{
  font-size:clamp(34px,5vw,62px);font-weight:800;line-height:1.08;letter-spacing:-.02em;color:#fff;
}
.gb-hero__lead{margin-top:20px;font-size:18px;line-height:1.7;color:rgba(242,238,232,.82);max-width:640px}
.gb-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.gb-hero__badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.gb-hero__badges li{
  font-size:13px;letter-spacing:.02em;color:rgba(242,238,232,.86);
  border:1px solid rgba(242,238,232,.2);border-radius:var(--r-pill);padding:6px 14px;
}
.gb-hero__badges li::before{content:"✓";color:#5FD3A6;margin-right:7px;font-weight:700}

/* ---------- 流程步骤 ---------- */
.gb-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.gb-step{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.gb-step:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.gb-step__no{font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--accent);font-variant-numeric:tabular-nums}
.gb-step h3{font-size:20px;font-weight:700;line-height:1.4;margin:12px 0 10px}
.gb-step p{font-size:15px;color:var(--muted);line-height:1.75}
.gb-step__bar{height:2px;width:40px;background:var(--accent);margin-top:20px;border-radius:2px}

.gb-note{
  margin-top:32px;display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);
}
.gb-note__item{
  display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px 24px;
}
.gb-note__item strong{display:block;font-size:16px;font-weight:700;margin-bottom:6px}
.gb-note__item p{font-size:14px;color:var(--muted);line-height:1.7}
.gb-note__mark{
  flex:none;width:34px;height:34px;border-radius:50%;background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
}

/* ---------- 套餐 ---------- */
.gb-plans{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);align-items:stretch}
.gb-plan{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px;display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.gb-plan:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.gb-plan.is-featured{background:var(--accent-soft);border-color:#EDC8B8}
.gb-plan__top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.gb-plan__top h3{font-size:20px;font-weight:700}
.gb-tag{
  display:inline-flex;align-items:center;font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:5px 12px;border-radius:var(--r-pill);background:#EFEBE3;color:var(--ink-soft);
}
.gb-tag--accent{background:var(--accent);color:#fff}
.gb-plan__price{display:flex;align-items:baseline;gap:8px;margin-bottom:20px}
.gb-plan__price .gb-num{font-size:38px;font-weight:800;letter-spacing:-.02em;line-height:1}
.gb-plan__price em{font-style:normal;font-size:14px;color:var(--muted)}
.gb-plan__list{display:flex;flex-direction:column;gap:12px;margin-bottom:26px}
.gb-plan__list li{position:relative;padding-left:24px;font-size:15px;line-height:1.65;color:var(--ink-soft)}
.gb-plan__list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--green);font-weight:700}
.gb-plan__foot{margin-top:auto}
.gb-plan__hint{margin-top:12px;font-size:13px;color:var(--muted);letter-spacing:.02em;text-align:center}

/* ---------- 表单区 ---------- */
.gb-form-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.gb-form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:36px;box-shadow:var(--shadow);
}
.gb-form__grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.gb-field{margin-bottom:22px;border:0;padding:0}
.gb-field > label,.gb-field > legend{
  display:block;font-size:13px;font-weight:600;letter-spacing:.02em;color:#4A4F56;margin-bottom:8px;padding:0;
}
.gb-req{color:var(--accent);margin-left:3px}
.gb-input,.gb-select,.gb-textarea{
  width:100%;border:1px solid var(--line);border-radius:6px;background:#fff;
  padding:0 14px;height:48px;font-size:15px;color:var(--ink);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
  appearance:none;
}
.gb-textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.gb-input::placeholder,.gb-textarea::placeholder{color:#A2A6AC}
.gb-input:focus,.gb-select:focus,.gb-textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(224,82,42,.16);
}
.gb-input.is-invalid,.gb-textarea.is-invalid{border-color:var(--danger);box-shadow:0 0 0 4px rgba(179,38,30,.1)}
.gb-err{display:none;margin-top:8px;font-size:13px;color:var(--danger)}
.gb-err.is-on{display:block}
.gb-plan-picker{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.gb-plan-option{
  position:relative;display:block;border:1px solid var(--line);border-radius:6px;background:#fff;
  padding:16px 16px 14px;cursor:pointer;transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.gb-plan-option input{position:absolute;opacity:0;width:1px;height:1px}
.gb-plan-option__name{display:block;font-size:15px;font-weight:700;color:var(--ink)}
.gb-plan-option__price{display:block;margin-top:4px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.gb-plan-option:hover{border-color:var(--line-strong)}
.gb-plan-option.is-checked{border-color:var(--accent);box-shadow:0 0 0 3px rgba(224,82,42,.14);background:#FFFCFA}
.gb-plan-option.is-checked::after{
  content:"✓";position:absolute;top:-8px;right:-8px;width:22px;height:22px;border-radius:50%;
  background:var(--accent);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center;font-weight:700;
}
.gb-check{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--ink-soft);line-height:1.6;margin-bottom:10px;cursor:pointer}
.gb-check input{width:18px;height:18px;flex:none;margin-top:3px;accent-color:var(--accent)}
.gb-form__hint{
  margin-top:16px;font-size:13px;line-height:1.7;color:var(--muted);
  background:#FBFAF7;border:1px solid var(--line);border-radius:6px;padding:12px 14px;
}
.gb-form__hint.is-ok{border-color:#BFE0D2;background:#F1F8F4;color:var(--green)}
.gb-aside__figure{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:var(--card)}
.gb-aside__figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 1.2s var(--ease)}
.gb-aside__figure:hover img{transform:scale(1.03)}
.gb-aside__figure figcaption{font-size:13px;letter-spacing:.02em;color:var(--muted);padding:12px 16px;border-top:1px solid var(--line);background:#FBFAF7}
.gb-aside__list{margin-top:26px;display:flex;flex-direction:column;gap:16px}
.gb-aside__list li{display:flex;gap:12px;font-size:15px;line-height:1.7;color:var(--ink-soft)}
.gb-aside__list li::before{content:"";flex:none;width:8px;height:8px;border-radius:50%;background:var(--green);margin-top:9px}

/* ---------- 信任条 ---------- */
.gb-trust{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--card);
  padding:32px 0;
}
.gb-trust__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.gb-trust__item{display:flex;gap:12px;align-items:flex-start}
.gb-trust__item strong{display:block;font-size:15px;font-weight:700;margin-bottom:4px}
.gb-trust__item span{font-size:13px;color:var(--muted);line-height:1.65}
.gb-trust__icon{
  flex:none;width:32px;height:32px;border-radius:6px;background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;
}

/* ---------- FAQ ---------- */
.gb-faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.gb-faq .accordion-item:first-child{border-top:1px solid var(--line)}
.gb-faq .accordion-header{margin:0}
.gb-faq .accordion-button{
  background:transparent;border:0;box-shadow:none;border-radius:0;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
  padding:22px 48px 22px 0;position:relative;
}
.gb-faq .accordion-button:not(.collapsed){background:#FBFAF7;color:var(--ink);box-shadow:none}
.gb-faq .accordion-button:focus{box-shadow:none;outline:none}
.gb-faq .accordion-button:focus-visible{box-shadow:0 0 0 3px rgba(224,82,42,.28)}
.gb-faq .accordion-button::after{
  content:"";position:absolute;right:16px;top:50%;width:14px;height:14px;margin:0;
  transform:translateY(-50%);
  background-image:linear-gradient(var(--ink),var(--ink)),linear-gradient(var(--ink),var(--ink));
  background-repeat:no-repeat;background-position:center,center;
  background-size:14px 1.6px,1.6px 14px;
  transition:background-size .2s var(--ease);
}
.gb-faq .accordion-button:not(.collapsed)::after{background-size:14px 1.6px,0 0}
.gb-faq .accordion-body{padding:0 40px 24px 0;background:#FBFAF7;font-size:15px;line-height:1.85;color:var(--ink-soft)}
.gb-faq .accordion-body p + p{margin-top:12px}

/* ---------- 深色 CTA ---------- */
.gb-cta{
  background:var(--night);color:var(--night-text);padding:80px 0;
  border-top:1px solid rgba(255,255,255,.08);
}
.gb-cta__inner{display:grid;grid-template-columns:1.4fr .6fr;gap:48px;align-items:center}
.gb-cta h2{font-size:clamp(24px,3vw,38px);font-weight:700;line-height:1.25;letter-spacing:-.02em;color:#fff}
.gb-cta p{margin-top:16px;font-size:16px;line-height:1.8;color:rgba(242,238,232,.74);max-width:560px}
.gb-cta__actions{display:flex;flex-direction:column;gap:12px}
.gb-cta__meta{margin-top:22px;font-size:13px;color:rgba(242,238,232,.55);letter-spacing:.02em}

/* ---------- 页脚 ---------- */
.gb-footer{background:var(--night);color:rgba(242,238,232,.72);padding:72px 0 0;border-top:1px solid rgba(255,255,255,.1)}
.gb-footer .gb-logo{color:var(--night-text);margin-bottom:16px}
.gb-footer .gb-logo__bottom{color:rgba(242,238,232,.55)}
.gb-footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px}
.gb-footer__brand p{font-size:14px;line-height:1.8;color:rgba(242,238,232,.6);max-width:320px}
.gb-footer h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:16px}
.gb-footer ul{display:flex;flex-direction:column;gap:11px}
.gb-footer ul li{font-size:14px;line-height:1.6}
.gb-footer ul a{color:rgba(242,238,232,.68);border-bottom:1px solid transparent;transition:color .18s var(--ease),border-color .18s var(--ease)}
.gb-footer ul a:hover{color:#fff;border-bottom-color:rgba(255,255,255,.6)}
.gb-footer ul span{color:rgba(242,238,232,.55)}
.gb-footer__bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 26px;font-size:13px;color:rgba(242,238,232,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .gb-steps{grid-template-columns:repeat(2,1fr)}
  .gb-plans{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991.98px){
  .gb-header{backdrop-filter:none}
  .gb-header.is-open{z-index:60}
  .gb-header__inner{height:64px;gap:16px}
  .gb-nav{
    position:fixed;top:0;left:0;right:0;bottom:0;z-index:55;
    background:var(--paper);padding:96px 24px 40px;
    display:flex;flex-direction:column;align-items:stretch;gap:0;margin:0;
    transform:translateX(100%);transition:transform .3s var(--ease);overflow:auto;
  }
  .gb-header.is-open .gb-nav{transform:none}
  .gb-nav > a{font-size:18px;font-weight:600;padding:16px 0;border-bottom:1px solid var(--line);width:100%}
  .gb-nav > a::after{display:none}
  .gb-nav > a.is-active{color:var(--accent)}
  .gb-nav__cta{display:block;margin-top:28px}
  .gb-nav__cta .gb-btn{width:100%;height:48px;padding:0}
  .gb-header__actions{display:none}
  .gb-burger{display:block;margin-left:auto}
  .gb-section{padding:72px 0}
  .gb-section--tight{padding:56px 0}
  .gb-form-wrap{grid-template-columns:1fr;gap:40px}
  .gb-cta__inner{grid-template-columns:1fr;gap:32px}
  .gb-cta__actions{flex-direction:row;flex-wrap:wrap}
  .gb-footer__grid{grid-template-columns:1fr 1fr;gap:32px}
  .gb-trust__grid{grid-template-columns:1fr 1fr}
  .gb-note{grid-template-columns:1fr}
  .gb-hero{padding:60px 0 68px}
}
@media (max-width:767.98px){
  .gb-plans{grid-template-columns:1fr}
  .gb-plan.is-featured{order:-1}
  .gb-form__grid{grid-template-columns:1fr}
  .gb-plan-picker{grid-template-columns:1fr}
  .gb-form-card{padding:26px 20px}
  .gb-faq .accordion-button{font-size:16px;padding-right:40px}
}
@media (max-width:575.98px){
  .shell{padding:0 18px}
  .gb-topbar__status{display:none}
  .gb-topbar__inner{justify-content:space-between;font-size:12px}
  .gb-steps{grid-template-columns:1fr}
  .gb-trust__grid{grid-template-columns:1fr}
  .gb-footer__grid{grid-template-columns:1fr}
  .gb-hero__actions .gb-btn{width:100%}
  .gb-cta__actions{flex-direction:column}
  .gb-cta__actions .gb-btn{width:100%}
  .gb-section{padding:52px 0}
  .gb-head{margin-bottom:32px}
  .gb-footer__bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
  .gb-reveal{opacity:1;transform:none}
}