/* ============================================================
   hhlsq.com — portal.css 行业门户网站页专属样式
   布局指纹：H1 全屏沉浸 Hero（背景图压暗+底部浮动卡带）｜B7 Bento+架构示意｜B2 卡片墙｜B3 时间轴｜B11 表格｜B8 证言｜B15 CTA
   签名元素：S3 虚线圆环组
   ============================================================ */

/* ---------- 1. Hero H1 全屏沉浸 ---------- */
.por-hero{
  position:relative;
  background:linear-gradient(135deg,var(--navy-900),var(--navy-700));
  padding:clamp(64px,7vw,96px) 0 0;
  overflow:visible;
}
.por-hero__bg{ position:absolute; inset:0; }
.por-hero__bg img{ width:100%; height:100%; object-fit:cover; opacity:.32; }
.por-hero__mask{
  position:absolute; inset:0;
  background:linear-gradient(135deg,rgba(18,38,63,.94),rgba(30,58,95,.84));
}
.por-hero__inner{ position:relative; z-index:2; max-width:780px; padding-bottom:clamp(48px,5vw,64px); }
.por-hero__eyebrow{ color:var(--gold); }
.por-hero__title{ color:#fff; font-size:clamp(30px,4.4vw,52px); line-height:1.22; margin-bottom:18px; }
.por-hero__lead{ color:rgba(232,238,245,.82); font-size:16.5px; max-width:620px; margin-bottom:30px; }
.por-hero__actions{ display:flex; gap:14px; flex-wrap:wrap; }
.por-hero__ghost{ border-color:rgba(255,255,255,.55); color:#fff; }
.por-hero__ghost:hover{ background:#fff; color:var(--navy-700); }

/* S3 虚线圆环组 */
.por-rings{ position:absolute; right:5%; bottom:150px; z-index:1; width:220px; height:220px; }
.por-rings span{ position:absolute; border-radius:50%; border:1px dashed rgba(176,141,74,.55); }
.por-rings span:nth-child(1){ inset:0; }
.por-rings span:nth-child(2){ inset:30px; border-color:rgba(232,238,245,.32); }
.por-rings span:nth-child(3){ inset:60px; }

/* 底部浮动卡片带（负 margin 上拉跨缝） */
.por-hero__cards{
  position:relative; z-index:6;
  display:grid; grid-template-columns:repeat(3,1fr); gap:22px;
  margin-bottom:-70px;
}
.por-hero__card{
  background:#fff; border-radius:var(--radius-lg); box-shadow:var(--shadow-lg);
  padding:22px 24px; border-top:3px solid transparent;
}
.por-hero__card--lift{ transform:translateY(-16px); border-top-color:var(--gold); }
.por-hero__card strong{ display:block; color:var(--navy-900); font-size:16px; margin-bottom:6px; }
.por-hero__card span{ font-size:13.5px; color:var(--gray-600); line-height:1.7; }

/* ---------- 2. B7 Bento + 架构示意 ---------- */
.por-archsec{ padding-top:clamp(110px,11vw,150px); }
.por-bento__grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.por-bento__cell{
  background:#fff; border:1px solid var(--gray-200); border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm); padding:28px 26px; transition:all .3s ease;
}
.por-bento__cell:hover{ transform:translateY(-6px); box-shadow:var(--shadow-md); }
.por-bento__cell--navy{ background:var(--navy-900); border-color:transparent; }
.por-bento__cell--navy h3{ color:#fff; }
.por-bento__cell--navy p{ color:rgba(232,238,245,.78); }
.por-bento__cell svg{ width:30px; height:30px; color:var(--navy-600); stroke-width:1.4; margin-bottom:14px; }
.por-bento__cell--navy svg{ color:var(--gold); }
.por-bento__cell:hover svg{ color:var(--gold); }
.por-bento__cell h3{ font-size:18px; margin-bottom:10px; }
.por-bento__cell p{ font-size:14px; color:var(--gray-600); line-height:1.75; }

.por-arch{ margin:48px auto 0; max-width:720px; }
.por-arch__layer{
  background:#fff; border:1px solid var(--gray-200); border-left:4px solid var(--navy-600);
  border-radius:var(--radius-md); padding:16px 22px; text-align:center;
  font-size:14.5px; color:var(--gray-700); box-shadow:var(--shadow-sm);
}
.por-arch__layer--top{ border-left-color:var(--gold); font-weight:600; color:var(--navy-900); }
.por-arch__layer--back{ border-left-color:var(--gray-400); background:var(--gray-100); }
.por-arch__arrow{ text-align:center; color:var(--gold); line-height:1; margin:8px 0; font-size:18px; }

/* ---------- 3. B2 错位卡片墙 + 浮动图 ---------- */
.por-who__grid{ display:grid; grid-template-columns:1.25fr .85fr; gap:44px; align-items:start; }
.por-who__cards{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.por-who__card{
  background:#fff; border:1px solid var(--gray-200); border-radius:var(--radius-lg);
  padding:24px 22px; box-shadow:var(--shadow-sm); transition:all .3s ease;
}
.por-who__card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-md); }
.por-who__card svg{ width:28px; height:28px; color:var(--navy-600); stroke-width:1.4; margin-bottom:12px; }
.por-who__card:hover svg{ color:var(--gold); }
.por-who__card h3{ font-size:16.5px; margin-bottom:8px; }
.por-who__card p{ font-size:13.5px; color:var(--gray-600); line-height:1.75; }
.por-who__media img{
  width:100%; aspect-ratio:16/11; object-fit:cover;
  border-radius:var(--radius-lg); box-shadow:var(--shadow-lg); transform:rotate(-1.5deg);
}
.por-who__media figcaption{ margin-top:14px; font-size:13px; color:var(--gray-500); }

/* ---------- 4. B3 步骤时间轴 ---------- */
.por-build__steps{ position:relative; display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.por-build__steps::before{
  content:""; position:absolute; top:26px; left:12%; right:12%; height:1px; background:var(--gray-300);
}
.por-build__step{ position:relative; padding-top:64px; }
.por-build__num{
  position:absolute; top:0; left:0; width:52px; height:52px; border-radius:50%;
  background:#fff; border:1px solid var(--gray-300); box-shadow:var(--shadow-sm);
  display:flex; align-items:center; justify-content:center;
  font-weight:700; color:var(--gold);
}
.por-build__step h3{ font-size:16.5px; margin-bottom:8px; }
.por-build__step p{ font-size:13.5px; color:var(--gray-600); line-height:1.75; }

/* ---------- 5. B11 表格对比 ---------- */
.por-table__wrap{ overflow-x:auto; border-radius:var(--radius-lg); }
.por-table__inner{
  width:100%; border-collapse:collapse; background:#fff;
  box-shadow:var(--shadow-sm); font-size:14.5px; min-width:560px;
}
.por-table__inner thead th{
  background:var(--navy-900); color:#fff; text-align:left;
  padding:14px 20px; font-weight:600;
}
.por-table__inner tbody td{
  padding:13px 20px; border-bottom:1px solid var(--gray-200); color:var(--gray-700);
}
.por-table__inner tbody tr:nth-child(even){ background:var(--gray-50); }
.por-table__inner tbody td:nth-child(2){ color:var(--navy-800); font-weight:600; }

/* ---------- 6. B8 证言带 ---------- */
.por-voice__grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.por-voice__card{
  background:#fff; border:1px solid var(--gray-200); border-radius:var(--radius-lg);
  padding:30px 26px 26px; box-shadow:var(--shadow-sm); position:relative;
}
.por-voice__card::before{
  content:"“"; position:absolute; top:6px; left:18px;
  font-size:54px; color:var(--gold-soft); font-family:var(--font-serif); line-height:1;
}
.por-voice__card blockquote{
  position:relative; font-size:14.5px; color:var(--gray-700);
  line-height:1.85; margin-bottom:18px;
}
.por-voice__card figcaption strong{ display:block; color:var(--navy-900); font-size:14px; }
.por-voice__card figcaption span{ font-size:12.5px; color:var(--gold); letter-spacing:.1em; }

/* ---------- 7. 相关页 + CTA ---------- */
.por-cta{ padding-bottom:clamp(70px,8vw,110px); }
.por-related{ display:flex; align-items:center; flex-wrap:wrap; gap:14px; margin-bottom:34px; }
.por-related__label{ font-size:13px; letter-spacing:.18em; color:var(--gold); }
.por-related__links{ display:flex; gap:10px; flex-wrap:wrap; }
.cta-banner{
  background:linear-gradient(135deg,var(--navy-800),var(--navy-700) 55%,var(--navy-600));
  border-radius:28px; padding:clamp(44px,5vw,72px) clamp(24px,4vw,56px);
  text-align:center; position:relative; overflow:hidden; box-shadow:var(--shadow-lg);
}
.cta-banner::before{
  content:""; position:absolute; right:-90px; top:-90px; width:280px; height:280px;
  border-radius:50%; border:1px dashed rgba(255,255,255,.22);
}
.cta-banner::after{
  content:""; position:absolute; left:-60px; bottom:-120px; width:220px; height:220px;
  border-radius:50%; border:1px dashed rgba(176,141,74,.4);
}
.cta-banner__inner{ position:relative; z-index:1; }
.cta-banner__title{ color:#fff; font-size:clamp(22px,3vw,32px); margin-bottom:12px; }
.cta-banner__sub{ color:rgba(232,238,245,.78); font-size:15px; margin-bottom:28px; }
.cta-banner__actions{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }
.cta-banner__ghost{ border-color:rgba(255,255,255,.5); color:#fff; }
.cta-banner__ghost:hover{ background:#fff; color:var(--navy-700); }

/* ---------- 响应式 ---------- */
@media (max-width: 992px){
  .por-rings{ display:none; }
  .por-hero__cards{ grid-template-columns:1fr; margin-bottom:0; gap:16px; }
  .por-hero__card--lift{ transform:none; }
  .por-archsec{ padding-top:80px; }
  .por-bento__grid{ grid-template-columns:repeat(2,1fr); }
  .por-who__grid{ grid-template-columns:1fr; gap:36px; }
  .por-build__steps{ grid-template-columns:repeat(2,1fr); gap:32px 24px; }
  .por-build__steps::before{ display:none; }
  .por-voice__grid{ grid-template-columns:1fr; }
}
@media (max-width: 640px){
  .por-bento__grid{ grid-template-columns:1fr; }
  .por-who__cards{ grid-template-columns:1fr; }
  .por-build__steps{ grid-template-columns:1fr; }
  .por-hero__actions .btn{ width:100%; }
}