/* ============================================================
   Sumly.cn — 首页专属样式 (landing.css)
   8 段 SaaS 落地页：Hero / 免费工具 / 高级能力 / GEO / 价格 / 信任
   配色与 chrome.css 变量保持一致
   ============================================================ */

/* ===================== 主题直入（轻量导语，替代 Hero） ===================== */
.s-lead{padding:84px 0 44px;text-align:center;}
.s-lead .lead-eyebrow{display:inline-block;color:var(--s-indigo);font-weight:700;letter-spacing:.12em;font-size:.8rem;text-transform:uppercase;}
.s-lead .lead-title{font-size:clamp(1.9rem,4.4vw,3rem);font-weight:800;letter-spacing:-.03em;line-height:1.12;margin:.9rem 0 .9rem;color:var(--s-ink);}
.s-lead .lead-sub{color:var(--s-slate);font-size:1.08rem;line-height:1.75;max-width:620px;margin:0 auto 2.4rem;}

.trust-bar{margin-top:0;display:flex;justify-content:center;gap:3rem;flex-wrap:wrap;}
.trust-item{text-align:center;}
.trust-num{font-size:2rem;font-weight:800;color:var(--s-indigo);letter-spacing:-.02em;}
.trust-label{color:var(--s-slate);font-size:.9rem;margin-top:.25rem;}

/* ===================== 通用段落 ===================== */
.s-section{padding:88px 0;}
.s-section.alt{background:var(--s-mist);}
.s-head{text-align:center;max-width:700px;margin:0 auto 3.2rem;}
.s-eyebrow{color:var(--s-indigo);font-weight:700;letter-spacing:.14em;font-size:.78rem;text-transform:uppercase;}
.s-title{font-size:clamp(1.8rem,3.6vw,2.5rem);font-weight:800;letter-spacing:-.02em;margin:.7rem 0 .8rem;color:var(--s-ink);}
.s-sub{color:var(--s-slate);font-size:1.05rem;line-height:1.75;}

/* ===================== 免费工具卡片 ===================== */
.tool-card{
  background:#fff;border:1px solid var(--s-line);border-radius:18px;
  padding:1.9rem 1.7rem;height:100%;position:relative;overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tool-card::after{
  content:"";position:absolute;inset:0;border-radius:18px;pointer-events:none;
  background:var(--s-grad-soft);opacity:0;transition:opacity .25s ease;
}
.tool-card:hover{transform:translateY(-7px);box-shadow:var(--s-shadow-md);border-color:transparent;}
.tool-card:hover::after{opacity:1;}
.tool-card > *{position:relative;z-index:1;}
.tool-ico{
  width:56px;height:56px;border-radius:15px;display:inline-flex;align-items:center;justify-content:center;
  font-size:1.55rem;color:#fff;background:var(--s-grad);box-shadow:0 10px 24px rgba(99,102,241,.35);margin-bottom:1.15rem;
}
.tool-card h3{font-size:1.22rem;font-weight:700;color:var(--s-ink);margin-bottom:.5rem;display:flex;align-items:center;gap:.55rem;flex-wrap:wrap;}
.tool-card p{color:var(--s-slate);font-size:.96rem;line-height:1.65;margin-bottom:1.35rem;}
.cat-pill{font-size:.7rem;font-weight:700;padding:.25rem .65rem;border-radius:999px;background:rgba(99,102,241,.1);color:var(--s-indigo);}
.tag-free{font-size:.68rem;font-weight:700;padding:.2rem .55rem;border-radius:999px;background:#dcfce7;color:#15803d;}

/* ===================== 高级能力（免费 vs VIP） ===================== */
.plan-card{
  background:#fff;border:1px solid var(--s-line);border-radius:20px;padding:2rem 1.8rem;height:100%;
  display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s;
}
.plan-card:hover{transform:translateY(-6px);box-shadow:var(--s-shadow-md);}
.plan-card .plan-tag{font-size:.78rem;font-weight:700;letter-spacing:.06em;color:var(--s-slate);text-transform:uppercase;}
.plan-card h3{font-size:1.35rem;font-weight:800;color:var(--s-ink);margin:.5rem 0 1rem;}
.plan-feat{list-style:none;padding:0;margin:0 0 1.5rem;flex:1;}
.plan-feat li{display:flex;align-items:flex-start;gap:.6rem;color:var(--s-slate);font-size:.96rem;padding:.45rem 0;border-bottom:1px dashed var(--s-line);}
.plan-feat li:last-child{border-bottom:0;}
.plan-feat i{color:var(--s-indigo);margin-top:.2rem;}
.plan-card.vip{
  background:linear-gradient(180deg,#fff,#f5f3ff);
  border:1.5px solid var(--s-indigo);box-shadow:var(--s-shadow-lg);position:relative;
}
.plan-card.vip .vip-ribbon{
  position:absolute;top:20px;right:-36px;transform:rotate(45deg);
  background:var(--s-grad);color:#fff;font-size:.72rem;font-weight:800;
  padding:.32rem 2.6rem;letter-spacing:.05em;box-shadow:0 6px 16px rgba(99,102,241,.4);
}
.plan-card.vip .plan-tag{color:var(--s-indigo);}

/* ===================== GEO 蓝色专区 ===================== */
.geo-zone{
  position:relative;overflow:hidden;border-radius:30px;
  background:linear-gradient(135deg,#0b1f4d 0%,#1e3a8a 58%,#3b82f6 100%);
  color:#fff;padding:66px 52px;
}
.geo-zone::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:46px 46px;opacity:.5;
  -webkit-mask-image:radial-gradient(circle at 80% 20%,#000,transparent 70%);
          mask-image:radial-gradient(circle at 80% 20%,#000,transparent 70%);
}
.geo-zone .container{position:relative;z-index:2;}
.geo-zone .geo-eyebrow{color:#bfdbfe;font-weight:700;letter-spacing:.14em;font-size:.78rem;text-transform:uppercase;}
.geo-zone h2{font-size:clamp(1.7rem,3.4vw,2.4rem);font-weight:800;letter-spacing:-.02em;margin:.7rem 0 1rem;}
.geo-zone p{color:#c7d2fe;font-size:1.05rem;line-height:1.75;max-width:560px;}
.geo-zone .geo-list{list-style:none;padding:0;margin:1.6rem 0 0;display:grid;gap:.7rem;max-width:520px;}
.geo-zone .geo-list li{display:flex;align-items:center;gap:.7rem;color:#e0e7ff;font-size:.98rem;}
.geo-zone .geo-list i{color:#93c5fd;font-size:1.1rem;}

/* 价格表已移至会员注册页（/manage/register.php），样式保留备用 */

/* ===================== 为什么选择 Sumly ===================== */
.why-card{
  background:#fff;border:1px solid var(--s-line);border-radius:18px;padding:2rem 1.8rem;height:100%;
  transition:transform .25s,box-shadow .25s;border-top:3px solid transparent;
}
.why-card:hover{transform:translateY(-6px);box-shadow:var(--s-shadow-md);border-top-color:var(--s-indigo);}
.why-ico{
  width:52px;height:52px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  font-size:1.4rem;color:#fff;background:var(--s-grad);margin-bottom:1.1rem;box-shadow:0 10px 22px rgba(99,102,241,.32);
}
.why-card h3{font-size:1.18rem;font-weight:700;color:var(--s-ink);margin-bottom:.55rem;}
.why-card p{color:var(--s-slate);font-size:.95rem;line-height:1.7;margin:0;}

/* ===================== CTA 收尾 ===================== */
.s-cta{
  background:linear-gradient(135deg,#4f46e5,#7c3aed 55%,#2563eb);
  border-radius:30px;padding:64px 48px;text-align:center;color:#fff;position:relative;overflow:hidden;
}
.s-cta::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(400px 200px at 20% 0%,rgba(255,255,255,.18),transparent 70%);
}
.s-cta .container{position:relative;z-index:2;}
.s-cta h2{font-size:clamp(1.7rem,3.4vw,2.4rem);font-weight:800;letter-spacing:-.02em;margin-bottom:.8rem;}
.s-cta p{color:#e0e7ff;font-size:1.08rem;margin-bottom:1.8rem;}

/* ===================== 响应式 ===================== */
@media (max-width:767.98px){
  .s-lead{padding:54px 0 28px;}
  .trust-bar{gap:1.6rem 2.4rem;}
  .trust-num{font-size:1.6rem;}
  .s-section{padding:60px 0;}
  .geo-zone,.s-cta{padding:44px 26px;border-radius:22px;}
}