/* ============================================================
   证书验证页 · 真伪左右对比 + 三步核验 + 套路警示
   ============================================================ */

/* ---------- 首屏 ---------- */
.hero{position:relative;min-height:72vh;display:flex;align-items:center;overflow:hidden;background:var(--mix-bg)}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(255,255,255,.94) 10%,rgba(255,255,255,.78) 50%,rgba(234,244,252,.45) 85%,rgba(241,238,251,.35) 100%)}
.hero-inner{position:relative;z-index:2;padding:150px 0 130px}
.hero-kicker{display:inline-block;padding:8px 18px;border-radius:999px;background:rgba(255,255,255,.75);border:1px solid rgba(124,111,208,.28);color:var(--purple);font-weight:600;font-size:.9rem;letter-spacing:2px}
.hero-title{font-size:clamp(1.9rem,4.2vw,3.1rem);font-weight:800;line-height:1.3;margin:22px 0 18px;letter-spacing:.5px}
.hero-title em{font-style:normal;background:linear-gradient(120deg,var(--blue),var(--purple));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{max-width:620px;color:var(--ink-2);font-size:1.05rem;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-wave{position:absolute;left:0;right:0;bottom:-1px;z-index:3}
.hero-wave svg{display:block;width:100%;height:70px}
.hero-line{opacity:0;animation:heroUp .85s cubic-bezier(.22,.9,.3,1) forwards}
.hero-line.d1{animation-delay:.15s}.hero-line.d2{animation-delay:.3s}.hero-line.d3{animation-delay:.45s}.hero-line.d4{animation-delay:.6s}
@keyframes heroUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.hero-line{opacity:1;animation:none}}

/* ---------- 真伪对比 ---------- */
.cmp{background:#fff;overflow:hidden}
.cmp-wrap{display:grid;grid-template-columns:1fr auto 1fr;gap:20px;align-items:stretch;max-width:1060px;margin:0 auto}
.cmp-col{padding:34px 30px;border-radius:var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm)}
.cmp-col.real{background:var(--blue-bg)}
.cmp-col.fake{background:#fbf1f1;border:1px solid #f0d9da}
.cmp-col h3{display:flex;align-items:center;gap:10px;font-size:1.25rem;font-weight:800;margin-bottom:18px}
.cmp-col.real h3{color:var(--blue)}
.cmp-col.fake h3{color:#c05b62}
.cmp-col h3 svg{width:26px;height:26px;flex-shrink:0}
.cmp-col ul li{position:relative;padding:10px 0 10px 28px;color:var(--ink-2);font-size:.94rem;border-bottom:1px dashed rgba(0,0,0,.06)}
.cmp-col ul li:last-child{border-bottom:none}
.cmp-col.real li::before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:700}
.cmp-col.fake li::before{content:"✕";position:absolute;left:0;color:#c05b62;font-weight:700}
.cmp-vs{align-self:center;width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,var(--purple),var(--blue));color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-2)}

/* ---------- 三步核验 ---------- */
.check{background:var(--mix-bg)}
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.check-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm) var(--r-lg) var(--r-sm) var(--r-lg);padding:34px 28px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.check-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.check-card i{display:flex;width:48px;height:48px;margin-bottom:16px;align-items:center;justify-content:center;border-radius:14px;background:linear-gradient(135deg,var(--purple),var(--purple-2));color:#fff;font-style:normal;font-weight:800;font-size:1.2rem}
.check-card:nth-child(2) i{background:linear-gradient(135deg,var(--blue),var(--blue-2))}
.check-card h3{font-size:1.15rem;font-weight:800;margin-bottom:10px}
.check-card p{color:var(--ink-2);font-size:.94rem}
.check-card a{color:var(--blue);font-weight:600}

/* ---------- 警示 ---------- */
.warn{background:#fff}
.warn-box{position:relative;overflow:hidden;padding:50px 44px;border-radius:36px 16px 36px 16px;background:linear-gradient(135deg,#fff7f7 0%,#fdf3f4 100%);border:1px solid #f0d9da}
.warn-box h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:800;margin-bottom:10px}
.warn-box h2 em{font-style:normal;color:#c05b62}
.warn-lead{color:var(--ink-2);margin-bottom:26px}
.warn-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.warn-item{display:flex;flex-direction:column;gap:4px;padding:18px 20px;background:#fff;border-radius:var(--r-md);border:1px solid #f0d9da}
.warn-item b{color:#c05b62;font-size:1rem}
.warn-item span{color:var(--ink-2);font-size:.9rem}
.warn-note{margin-top:18px;color:#8a5a5a;font-size:.9rem;line-height:1.7}

/* ---------- FAQ ---------- */
.faq{background:var(--mix-bg)}
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md) var(--r-sm) var(--r-md) var(--r-sm);padding:20px 24px;box-shadow:var(--shadow)}
.faq-item summary{display:flex;justify-content:space-between;align-items:center;gap:12px;cursor:pointer;font-weight:700;font-size:1.02rem;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .caret{transition:transform .25s;color:var(--ink-3)}
.faq-item[open] summary .caret{transform:rotate(180deg)}
.faq-item p{margin-top:12px;color:var(--ink-2);font-size:.95rem}
.faq-item a{color:var(--blue);font-weight:600}

/* ---------- 互链 ---------- */
.rel{background:#fff}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rel-card{display:flex;flex-direction:column;gap:4px;padding:22px;border:1px solid var(--line);border-radius:var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);background:var(--purple-bg);transition:transform .25s,box-shadow .25s}
.rel-card:nth-child(3n){background:var(--blue-bg)}
.rel-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2)}
.rel-card b{font-size:1.05rem}
.rel-card span{font-size:.84rem;color:var(--ink-2)}
.rel-card.active-me{outline:2px solid var(--purple);outline-offset:2px}

/* ---------- 资讯 ---------- */
.news{background:#fff}
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.n-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r-sm) var(--r-lg) var(--r-sm) var(--r-lg);overflow:hidden;background:#fff;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.n-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.n-thumb{overflow:hidden}
.n-thumb img{width:100%;height:180px;object-fit:cover;transition:transform .5s}
.n-card:hover .n-thumb img{transform:scale(1.06)}
.n-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}
.n-body h3{font-size:.98rem;font-weight:700;line-height:1.5}
.n-body p{color:var(--ink-2);font-size:.86rem;flex:1}
.n-body time{color:var(--ink-3);font-size:.78rem}
.news-more{text-align:center;margin-top:36px}

/* ---------- 企业核证步骤 ---------- */
.emp{background:#fff}
.emp-steps{display:flex;align-items:stretch;gap:10px;margin-bottom:22px}
.emp-item{flex:1;background:var(--blue-bg);border:1px solid var(--line);border-radius:var(--r-md) var(--r-sm) var(--r-md) var(--r-sm);padding:22px 18px;display:flex;flex-direction:column;gap:8px}
.emp-no{width:34px;height:34px;border-radius:50%;background:linear-gradient(120deg,var(--blue),var(--purple));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.95rem}
.emp-item b{font-size:.98rem;color:var(--ink)}
.emp-item p{font-size:.85rem;color:var(--ink-2);line-height:1.65}
.emp-arrow{align-self:center;color:var(--ink-3);font-size:1.4rem;flex:0 0 auto}
.emp-note{max-width:760px;margin:0 auto;text-align:center;color:var(--ink-2);font-size:.95rem;line-height:1.8}

/* ---------- 假证代价 ---------- */
.cost{background:var(--mix-bg)}
.cost-box{background:#fff;border:1px solid #f0c9c9;border-left:6px solid #d96a6a;border-radius:var(--r-md);padding:36px 38px;box-shadow:var(--shadow);max-width:860px;margin:0 auto;position:relative}
.cost-tag{display:inline-block;background:#fdecec;color:#c0504d;font-size:.8rem;font-weight:700;padding:4px 12px;border-radius:999px;margin-bottom:14px}
.cost-box h2{font-size:1.35rem;font-weight:800;margin-bottom:16px;color:var(--ink)}
.cost-box p{color:var(--ink-2);font-size:.95rem;line-height:1.9;margin-bottom:14px}
.cost-box p:last-child{margin-bottom:0}
.cost-box a{color:var(--blue);font-weight:600}

/* ---------- 老纸质证 ---------- */
.old{background:var(--blue-bg)}
.old-box{max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:36px 38px;box-shadow:var(--shadow)}
.old-tag{display:inline-block;background:var(--purple-bg);color:var(--purple);font-size:.8rem;font-weight:700;padding:4px 12px;border-radius:999px;margin-bottom:14px}
.old-box h2{font-size:1.35rem;font-weight:800;margin-bottom:14px}
.old-box>p{color:var(--ink-2);font-size:.95rem;line-height:1.9;margin-bottom:14px}
.old-list{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}
.old-list li{position:relative;padding-left:20px;color:var(--ink-2);font-size:.93rem;line-height:1.8}
.old-list li::before{content:"";position:absolute;left:0;top:.65em;width:8px;height:8px;border-radius:50%;background:linear-gradient(120deg,var(--blue),var(--purple))}
.old-box a{color:var(--blue);font-weight:600}

/* ---------- CTA ---------- */
.cta{background:var(--mix-bg)}
.cta-box{position:relative;overflow:hidden;text-align:center;background:#fff;border:1px solid var(--line);border-radius:36px 16px 36px 16px;padding:54px 30px;box-shadow:var(--shadow-2)}
.cta-bubble{position:absolute;border-radius:50%;filter:blur(8px)}
.cta-bubble.b1{width:260px;height:260px;left:-90px;top:-90px;background:radial-gradient(circle,rgba(59,143,212,.18),transparent 70%)}
.cta-bubble.b2{width:240px;height:240px;right:-80px;bottom:-80px;background:radial-gradient(circle,rgba(124,111,208,.18),transparent 70%)}
.cta-box h2{font-size:clamp(1.5rem,2.8vw,2.1rem);font-weight:800;margin-bottom:14px}
.cta-box h2 em{font-style:normal;background:linear-gradient(120deg,var(--blue),var(--purple));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.cta-box>p{color:var(--ink-2);max-width:560px;margin:0 auto 22px}
.cta-contact{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 30px;margin-bottom:26px}
.cta-line{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:1.05rem;color:var(--ink)}
.cta-line:hover{color:var(--blue)}
.cta-line .ico{color:var(--purple)}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .emp-steps{flex-direction:column}
  .emp-arrow{transform:rotate(90deg)}
  .cmp-wrap{grid-template-columns:1fr}
  .cmp-vs{margin:0 auto}
  .check-grid{grid-template-columns:1fr}
  .warn-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  .hero-inner{padding:120px 0 100px}
  .warn-box{padding:34px 22px}
  .rel-grid,.news-grid{grid-template-columns:1fr}
  .hero-wave svg{height:44px}
}