.gd{max-width:1100px;margin:0 auto;padding:0 32px}
.gd-mb{margin-bottom:24px}
.gd-mb-lg{margin-bottom:44px}

.gd-bread{display:flex;align-items:center;gap:6px;font-size:12px;color:#9499b0;margin:16px auto 0;max-width:1100px;padding:0 32px}
.gd-bread a{color:#9499b0;text-decoration:none}
.gd-bread a:hover{color:#5a5e72}

/* Hero */
.gd-hero{background:linear-gradient(135deg,#eef4ff 0%,#f5f0ff 50%,#eef8f5 100%);border:1px solid rgba(0,0,0,.07);border-radius:16px;padding:48px;text-align:center;position:relative;overflow:hidden}
.gd-hero::before{content:'';position:absolute;top:-60px;right:-60px;width:200px;height:200px;border-radius:50%;background:rgba(91,108,255,.05);pointer-events:none}
.gd-hero__badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;background:rgba(59,126,246,.08);border:1px solid rgba(59,126,246,.15);border-radius:20px;font-size:12px;color:#3b7ef6;font-weight:500;margin-bottom:14px}
.gd-hero h1{font-size:28px;font-weight:800;color:#1a1d2e;margin:0 0 10px;letter-spacing:-.8px}
.gd-hero__desc{font-size:14px;color:#5a5e72;max-width:500px;margin:0 auto;line-height:1.7}

/* Stats strip */
.gd-stats{display:flex;justify-content:center;gap:32px;margin-top:24px}
.gd-stats__item{text-align:center}
.gd-stats__num{font-size:22px;font-weight:800;color:#3b7ef6}
.gd-stats__label{font-size:11px;color:#9499b0}

/* Filter bar */
.gd-filter{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.gd-cats{display:flex;gap:6px;flex-wrap:wrap}
.gd-cat{padding:7px 16px;border-radius:20px;font-size:12px;font-weight:500;border:1px solid rgba(0,0,0,.07);background:#fff;color:#5a5e72;cursor:pointer;transition:.2s;text-decoration:none}
.gd-cat:hover{border-color:rgba(59,126,246,.3);color:#3b7ef6}
.gd-cat--active{background:#3b7ef6;color:#fff;border-color:#3b7ef6}
.gd-search{position:relative}
.gd-search input{padding:8px 14px 8px 34px;border:1px solid rgba(0,0,0,.07);border-radius:8px;font-size:13px;width:220px;outline:none;font-family:inherit;background:#fff;transition:.2s}
.gd-search input:focus{border-color:#5B6CFF;box-shadow:0 0 0 3px rgba(91,108,255,.1)}
.gd-search input::placeholder{color:#9499b0}
.gd-search::before{content:'🔍';position:absolute;left:10px;top:50%;transform:translateY(-50%);font-size:13px;pointer-events:none}

/* 置顶使用教程卡片 */
.gd-pinned-guide{display:block;background:linear-gradient(135deg,#f8f5ff 0%,#eef4ff 50%,#f0f7ff 100%);border:1.5px solid rgba(124,58,237,.15);border-radius:16px;padding:28px 32px;text-decoration:none;color:inherit;transition:.25s;position:relative;overflow:hidden}
.gd-pinned-guide:hover{border-color:rgba(124,58,237,.35);box-shadow:0 8px 30px rgba(124,58,237,.12);transform:translateY(-2px)}
.gd-pinned-guide__badge{position:absolute;top:14px;right:18px;display:inline-flex;align-items:center;gap:4px;padding:4px 12px;background:rgba(124,58,237,.10);border:1px solid rgba(124,58,237,.20);border-radius:14px;font-size:11px;color:#7c3aed;font-weight:600}
.gd-pinned-guide__body{display:flex;align-items:center;gap:28px}
.gd-pinned-guide__left{display:flex;align-items:center;gap:16px;flex:1;min-width:0}
.gd-pinned-guide__icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;flex-shrink:0}
.gd-pinned-guide__title{font-size:20px;font-weight:800;color:#1a1d2e;margin:0 0 6px;letter-spacing:-.4px}
.gd-pinned-guide__desc{font-size:13px;color:#5a5e72;line-height:1.6;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.gd-pinned-guide__right{text-align:right;flex-shrink:0}
.gd-pinned-guide__steps-label{font-size:11px;color:#9499b0;margin-bottom:8px;font-weight:500}
.gd-pinned-guide__steps{display:flex;flex-direction:column;gap:4px;margin-bottom:12px}
.gd-pinned-guide__step{display:inline-block;font-size:11px;color:#5a5e72;padding:2px 0}
.gd-pinned-guide__step::before{content:'✦ ';color:#7c3aed;font-size:9px}
.gd-pinned-guide__cta{font-size:13px;font-weight:600;white-space:nowrap}

/* Guide cards grid */
.gd-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}

/* Single guide card */
.gd-card{background:#fff;border:1px solid rgba(0,0,0,.07);border-radius:14px;padding:0;box-shadow:0 1px 4px rgba(0,0,0,.04);transition:all .25s;overflow:hidden;display:flex;flex-direction:column;text-decoration:none;color:inherit}
.gd-card:hover{border-color:rgba(59,126,246,.3);box-shadow:0 6px 24px rgba(59,126,246,.1);transform:translateY(-3px)}
.gd-card__top{padding:24px 22px 0}
.gd-card__icon-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.gd-card__icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px}
.gd-card__tag{padding:3px 10px;border-radius:6px;font-size:11px;font-weight:600}
.gd-card__title{font-size:16px;font-weight:700;color:#1a1d2e;margin-bottom:8px;line-height:1.4}
.gd-card__desc{font-size:13px;color:#5a5e72;line-height:1.6;margin-bottom:16px}

/* Steps in card */
.gd-card__steps{padding:0 22px;margin-bottom:16px;display:flex;flex-direction:column;gap:6px}
.gd-card__step{display:flex;align-items:center;gap:8px;font-size:12px;color:#5a5e72}
.gd-card__step-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}

/* Card footer */
.gd-card__footer{padding:14px 22px;border-top:1px solid rgba(0,0,0,.04);display:flex;justify-content:space-between;align-items:center;margin-top:auto}
.gd-card__meta{display:flex;gap:12px;font-size:11px;color:#9499b0}
.gd-card__meta span{display:flex;align-items:center;gap:3px}
.gd-card__cta{font-size:12px;font-weight:600;transition:.2s}

/* Level badges */
.gd-level{display:inline-flex;align-items:center;gap:3px;padding:2px 8px;border-radius:4px;font-size:10px;font-weight:600}
.gd-level--beginner{background:rgba(16,185,129,.08);color:#10b981}
.gd-level--intermediate{background:rgba(217,119,6,.08);color:#d97706}
.gd-level--advanced{background:rgba(239,68,68,.08);color:#ef4444}

/* Empty state */
.gd-empty{text-align:center;padding:60px 20px;color:#9499b0}
.gd-empty__icon{font-size:48px;margin-bottom:12px;opacity:.4}
.gd-empty__text{font-size:15px;margin-bottom:8px}
.gd-empty__sub{font-size:13px}

/* CTA banner */
.gd-cta{background:linear-gradient(135deg,#5B6CFF,#8B5CF6);border-radius:16px;padding:36px 40px;display:flex;align-items:center;justify-content:space-between;color:#fff;position:relative;overflow:hidden}
.gd-cta::before{content:'';position:absolute;top:-40px;right:-40px;width:160px;height:160px;border-radius:50%;background:rgba(255,255,255,.08)}
.gd-cta h3{font-size:18px;font-weight:700;margin:0 0 6px;position:relative}
.gd-cta p{font-size:13px;opacity:.85;margin:0;position:relative}
.gd-cta__btn{padding:11px 24px;background:#fff;color:#5B6CFF;border-radius:8px;font-size:13px;font-weight:700;text-decoration:none;transition:.2s;flex-shrink:0;position:relative}
.gd-cta__btn:hover{transform:translateY(-2px);box-shadow:0 4px 16px rgba(0,0,0,.2)}

/* Scroll reveal */
.gd-reveal{opacity:0;transform:translateY(16px);transition:opacity .5s,transform .5s}
.gd-reveal--visible{opacity:1;transform:translateY(0)}

@media(max-width:900px){
  .gd-grid{grid-template-columns:repeat(2,1fr)}
  .gd-cta{flex-direction:column;text-align:center;gap:16px}
  .gd-pinned-guide__body{flex-direction:column;gap:16px}
  .gd-pinned-guide__right{text-align:left}
  .gd-pinned-guide__steps{flex-direction:row;flex-wrap:wrap}
  .gd-pinned-guide__step{font-size:10px}
}
@media(max-width:600px){
  .gd{padding:0 16px}
  .gd-hero{padding:32px 20px}
  .gd-hero h1{font-size:22px}
  .gd-grid{grid-template-columns:1fr}
  .gd-filter{flex-direction:column;align-items:stretch}
  .gd-search input{width:100%}
  .gd-pinned-guide{padding:20px}
  .gd-pinned-guide__icon{width:44px;height:44px;font-size:22px}
  .gd-pinned-guide__title{font-size:17px}
  .gd-pinned-guide__badge{position:static;display:inline-flex;margin-bottom:8px}
}